AIR DUCT CONVERSION BIN INTEGRATED WITH SUCTION AND BLOWING

Abstract

The present disclosure provides air duct conversion bin integrated with suction and blowing, comprises an electric machinery and an air duct switching member for switching the suction mode and the blowing mode of the electric machinery; wherein the air duct switching member comprises a wind-proof sleeve which is covered on the outside of the electric machinery; the wind-proof sleeve are respectively provided with an air suction end face and an air blowing end face that can be switched on and off; the air duct switching member also includes a toggle switch. By setting the air suction end face and the wind-proof sleeve of the air blowing end face that can be switched on and off, it is not necessary to change the rotation direction of the electric machinery. At the same time, it is not necessary to set the corresponding complex circuit to reduce the production and maintenance costs.

Description

TECHNICAL FIELD

The present disclosure relates to a field of household appliances, and in particular to air duct conversion bin integrated with suction and blowing.

BACKGROUND

The common air duct conversion bin integrated with suction and blowing usually needs to be equipped with two electric machineries to form the suction and blowing air ducts respectively, and start and stop different electric machineries respectively through the corresponding switches to realize the switching or simultaneous starting of the suction and blowing modes. However, the assembly of the two electric machineries need to take up a large three-dimensional space, and the final combination of the complete machine will also become correspondingly large and bulky, which is not conducive to the user's holding and carrying; at the same time, non-interference air passages should be designed for different motors, which is more complex in design.

The existing single-electric machinery suction and blowing integrated air duct conversion bin includes an electric machinery and an air duct switching member arranged at the front end of the shell far away from the electric machinery. Controlling the forward and reverse rotation of the motor via the air duct switch to switch the modes of air suction and air blowing of the air duct, thereby achieving two functions of dust suction and air blowing. The air duct switching member includes two control mainboard trigger parts and knobs which are connected to the motor respectively. The switch of the two trigger parts is controlled by the rotation of the knobs, and the forward rotation and reverse rotation of the electric machinery are controlled by the control main board to achieve the dust suction or blowing function respectively. And The design of structure and control circuit is relatively complex, and the manufacturing cost and post-maintenance cost are higher. In addition, the switching between forward and reverse rotation of the motor requires corresponding buffer time, which will lead to slow response between dust suction and blowing modes and poor user experience.

SUMMARY

The present disclosure provides an air duct conversion bin integrated with suction and blowing. The overall structure is simple and the cost is lower.

To achieve the above object, the present disclosure provides the air duct conversion bin integrated with suction and blowing, comprising: an electric machinery and an air duct switching member arranged outside the electric machinery for switching the electric machinery to a dust suction mode in which the air inlet end is one-sided inlet and the air outlet end is sealed, or a blowing mode in which the air outlet end is one-sided inlet and the air inlet end is sealed; wherein the air duct switching member comprises a wind-proof sleeve which is covered on the outside of the electric machinery; the wind-proof sleeve corresponds to the air inlet end and the air outlet end, which are respectively provided with an air suction end face and an air blowing end face that can be switched on and off; the opening and closing states of the air suction end face and the air blowing end face are opposite; the air duct switching member also includes a toggle switch; the toggle switch is used to switch the opening and closing of the air suction end face and the air blowing end face simultaneously in a single time; the side wall of the wind-proof sleeve is also provided with a ventilation hole through which the air supply flow passes.

Furthermore, the wind-proof sleeve comprises an inner bush and an outer bush fitted and fixed with an outer wall of the inner bush; the two end faces of the inner bush are respectively provided with an inner air inlet hole and an inner air inlet hole which in one-to-one correspondence and the two end faces of the outer bush are respectively provided with an outer air inlet hole and an outer air outlet hole which are offset from each other; one group of the inner air inlet hole and the outer air inlet hole are arranged in one-to-one correspondence, one group of the inner air outlet hole and the outer air outlet hole are arranged offset from each other, then the air suction end face is correspondingly open; one group of the inner air outlet hole and the outer air outlet hole are arranged in one-to-one correspondence, one group of the inner air inlet hole and the outer air inlet hole are arranged offset from each other, then the air blowing end face is correspondingly open.

Furthermore, the wind-proof sleeve comprises an inner bush and an outer bush fitted and fixed with an outer wall of the inner bush; the two end faces of the inner bush are respectively provided with an inner air inlet hole and an inner air inlet hole which are offset from each other and the two end faces of the outer bush are respectively provided with an outer air inlet hole and an outer air outlet hole which in a one-to-one correspondence; one group of the inner air inlet hole and the outer air inlet hole are arranged in one-to-one correspondence, one group of the inner air outlet hole and the outer air outlet hole are arranged offset from each other, then the air suction end face is correspondingly open; one group of the inner air outlet hole and the outer air outlet hole are arranged in one-to-one correspondence, one group of the inner air inlet hole and the outer air inlet hole are arranged offset from each other, then the air blowing end face is correspondingly open.

Furthermore, the inner air inlet hole, the inner air outlet hole and the outer air inlet hole and the outer air outlet hole are evenly distributed around the center of the corresponding end face, the side walls of the outer bush and the inner bush close to the two side end faces are respectively provided with outer air inlet holes, outer air outlet holes, inner air inlet holes and inner air outlet holes which are consistent with the circumferential distribution uniformity of the outer ventilation hole and inner ventilation hole; the inner ventilation hole on two sides of the inner bush are arranged in one-to-one correspondence, and the outer ventilation hole on two sides of the outer bush are arranged in a mutually staggered manner.

Furthermore, the inner air inlet hole, the inner air outlet hole and the outer air inlet hole and the outer air outlet hole are evenly distributed around the center of the corresponding end face, the side walls of the outer bush and the inner bush close to the two side end faces are respectively provided with outer air inlet holes, outer air outlet holes, inner air inlet holes and inner air outlet holes which are consistent with the circumferential distribution uniformity of the outer ventilation hole and inner ventilation hole; the inner ventilation hole on two sides of the inner bush are arranged in a mutually staggered manner, and the outer ventilation hole on two sides of the outer bush are arranged in one-to-one correspondence.

Furthermore, the toggle switch is a push rod which is relatively fixed with the inner bush and is located in a correspondingly provided sliding groove on the outer bush; the push rod is placed at both ends of the sliding groove to open the air suction end face, as well as the inner ventilation hole and the outer ventilation hole far from the air suction end face respectively, so as to close the air blowing end face. Or opening the air blowing end face, as well as the inner ventilation hole and the outer ventilation hole away from the air blowing end face so as to close the air suction end face and the inner ventilation hole and the outer ventilation hole away from the air suction end face.

Furthermore, the inner bush comprises a first inner sleeve and a second inner sleeve; the electric machinery is assembled in the first inner sleeve and the second inner sleeve butt enclosing to form an accommodating cavity; the outer bush comprises a first outer sleeve and a second outer sleeve; the inner bush is correspondingly assembled in the accommodating cavity formed by the butt joint of the first outer sleeve and the second outer sleeve.

Furthermore, the first inner sleeve and the second inner sleeve, as well as the first outer sleeve and the second outer sleeve are respectively provided with a buckle assembly for butt fixation; the buckle assembly comprises an elastic barb arranged at the butt opening of sleeve on one side and a clamping groove arranged on the sleeve on the opposite side corresponding to the elastic barb; the elastic barb is clamped and buckled in the clamping groove to form the complete inner bush and the outer bush.

Furthermore, an electric machinery cover is provided on one side of the electric machinery, and an inner wall of the first inner sleeve is provided corresponding to the electric machinery with an embedded groove adapted to an outer surface of the electric machinery cover; an end face of the second inner sleeve is provided with a fixing hole, and a fixing block is additionally arranged to be clamped in the fixing hole and clamped with the bottom wall of the embedded groove from both ends of the electric machinery and fix the electric machinery.

Furthermore, a heating element is also mounted on the outside of the air blowing end face.

The air duct conversion bin integrated with suction and blowing provided by the present disclosure has beneficial effects as follows.

In the embodiment of the invention, the outer cover of the electric machinery is provided with a wind-proof sleeve. The wind-proof sleeve corresponds to the air inlet end and the air outlet end of the electric machinery, and is respectively provided with the air suction end face and the air blowing end face which can be switched on and off. Open the air suction end face or the air blowing end face to use the dust suction or blowing function of the air duct conversion bin integrated with suction and blowing. There is no need to change the rotation direction of the electric machinery, the response speed of switching between the dust suction mode and the blowing mode is faster, and the working efficiency of the machine is improved. At the same time, there is no need to set the corresponding complex circuit to reduce the production and maintenance costs. In addition, the opening and closing state of the air suction end face and the air blowing end face is opposite, and a toggle switch is set to switch the opening and closing of the air suction end face and the air blowing end face at the same time for a single time to ensure the relatively independent operation and flexible switching of the dust suction mode and the blowing mode, which is easy to operate and improves the user experience.

BRIEF DESCRIPTION OF DRAWINGS

In order to illustrate technical solutions in the embodiments of the present disclosure clearly, the drawings that need to be used in the description of the embodiments or the prior art are briefly described as follow. Apparently, the drawings in the following description are merely some of the embodiments of the present disclosure, and those skilled in the art are able to obtain other drawings according to the drawings without contributing any inventive labor.

FIG. 1 is a perspective overall view of the electric machinery and air duct switching member of the present invention in the blowing mode of an optional embodiment.

FIG. 2 is another perspective overall view of the electric machinery and air duct switching member of the present invention in the blowing mode of an optional embodiment.

FIG. 3 is a perspective overall view of the electric machinery and air duct switching member of the present invention in the dust suction mode of an optional embodiment.

FIG. 4 is a schematic view showing a disassembled state of the electric machinery, the air duct switching member and the heating element according to an alternative embodiment of the present invention.

FIG. 5 is a cross-sectional view of the electric machinery and the air duct switching member along the axis of the electric machinery in an optional embodiment of the invention.

FIG. 6 is an overall perspective view showing an application of an alternative embodiment of the present invention to the air duct conversion bin integrated with suction and blowing.

In the drawings:

shell	1	electric machinery	2
dust suction assembly	3	air blowing assembly	4
air duct switching	5	buckle assembly	6
member
heating element	7	fixing block	21
electric machinery	23	wind-proof sleeve	50
cover
toggle switch	52	elastic barb	61
clamping groove	63	air suction end face	501
air blowing end face	503	inner ventilation hole	505a
outer ventilation hole	505b	push rod	521
sliding groove	523	inner bush	507
outer bush	509	inner air inlet hole	5070
inner air outlet hole	5072	outer air inlet hole	5090
outer air outlet hole	5092	first inner sleeve	5074
second inner sleeve	5076	first outer sleeve	5094
second outer sleeve	5096	embedded groove	5078

DETAILED DESCRIPTION

In order to make the above objects, features, and advantages of the present disclosure clear and understood, specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. The specific embodiments described here are only used to explain the present disclosure, but not intended to limit the present disclosure.

As shown in FIGS. 1-3, the present disclosure provides an air duct conversion bin integrated with suction and blowing, comprising: an electric machinery 2 and an air duct switching member 5 arranged outside the electric machinery 2 for switching the electric machinery 2 to a dust suction mode in which the air inlet end is one-sided inlet and the air outlet end is sealed, or a blowing mode in which the air outlet end is one-sided inlet and the air inlet end is sealed; wherein the air duct switching member 5 comprises a wind-proof sleeve 50 which is covered on the outside of the electric machinery 2; the wind-proof sleeve 50 corresponds to the air inlet end and the air outlet end, which are respectively provided with an air suction end face 501 and an air blowing end face 503 that can be switched on and off; the opening and closing states of the air suction end face 501 and the air blowing end face 503 are opposite; the air duct switching member 5 also includes a toggle switch 52; the toggle switch 52 is used to switch the opening and closing of the air suction end face 501 and the air blowing end face 503 simultaneously in a single time; the side wall of the wind-proof sleeve 50 is also provided with a ventilation hole through which the air supply flow passes.

In the embodiment, the outer cover of the electric machinery 2 is provided with a wind-proof sleeve 50. The wind-proof sleeve 50 corresponds to the air inlet end and the air outlet end of the electric machinery, and is respectively provided with the air suction end face 501 and the air blowing end face 503 which can be switched on and off. Open the air suction end face 501 or the air blowing end face 503 to use the dust suction or blowing function of the air duct conversion bin integrated with suction and blowing. There is no need to change the rotation direction of the electric machinery 2, the response speed of switching between the dust suction mode and the blowing mode is faster, and the working efficiency of the machine is improved. At the same time, there is no need to set the corresponding complex circuit to reduce the production and maintenance costs. In addition, the opening and closing state of the air suction end face 501 and the air blowing end face 503 is opposite, and a toggle switch 52 is set to switch the opening and closing of the air suction end face 501 and the air blowing end face 503 simultaneously in a single time to ensure the relatively independent operation and flexible switching of the dust suction mode and the blowing mode, which is easy to operate and improves the user experience. In the specific implementation, the air suction end face 501 and the air blowing end face 503 are connected with the main body of the wind-proof sleeve 50 by elastic member. The toggle switch 52 is used for releasing the elastic force of the elastic member to pop open the corresponding air suction end face 501 or air blowing end face 503. It is also possible to use a linear power element or a rotary power element to drive the opening and closing of the corresponding air suction end face 501 or air blowing end face 503 so as to switch between the suction and blowing modes.

In the process of practical application, as shown in FIG. 6, the air duct conversion bin integrated with suction and blowing can be specifically applied to a suction and blowing integrated machine. The suction and blowing integrated machine comprises a shell 1, an air duct conversion bin integrated with suction and blowing assembled in the shell 1, and a corresponding dust suction air duct and a dust suction assembly 3 and an air blowing assembly 4 of the blowing air duct formed by connecting the air inlet end and the air outlet end of the air duct conversion bin integrated with suction and blowing respectively.

In the embodiment, as shown in FIGS. 1-4, the wind-proof sleeve 50 comprises an inner bush 507 and an outer bush 509 fitted and fixed with an outer wall of the inner bush 507; the two end faces of the inner bush 507 are respectively provided with an inner air inlet hole 5070 and an inner air outlet hole 5072 which in one-to-one correspondence and the two end faces of the outer bush 509 are respectively provided with an outer air inlet hole 5090 and an outer air outlet hole 5092 which are offset from each other; one group of the inner air inlet hole 5070 and the outer air inlet hole 5090 are arranged in one-to-one correspondence, one group of the inner air outlet hole 5072 and the outer air outlet hole 5092 are arranged offset from each other, then the air suction end face is correspondingly open; one group of the inner air outlet hole 5072 and the outer air outlet hole 5092 are arranged in one-to-one correspondence, one group of the inner air inlet hole 5070 and the outer air inlet hole 5090 are arranged offset from each other, then the air blowing end face is correspondingly open. In this embodiment, the wind-proof sleeve 50 is set as a double-layer sleeve body composed of the inner bush 507 and the outer bush 509; the inner air inlet hole 5070 and the inner air outlet hole 5072 on the two end faces of the inner bush 507 are respectively set, while the outer air inlet hole 5090 and the outer air outlet hole 5092 on the two end faces of the outer bush 509 are mutually staggered, one group of the inner air inlet hole 5070 and the outer air inlet hole 5090 are arranged in one-to-one correspondence, one group of the inner air outlet hole 5072 and the outer air outlet hole 5092 are arranged offset from each other, then the air suction end face is correspondingly open; one group of the inner air outlet hole 5072 and the outer air outlet hole 5092 are arranged in one-to-one correspondence, one group of the inner air inlet hole 5070 and the outer air inlet hole 5090 are arranged offset from each other, then the air blowing end face is correspondingly open, so as to achieve the purpose that the opening and closing states of the air suction end face 501 and the air blowing end face 503 are opposite. In the process of use, adjust the position correspondence between the inner bushing 507 and the outer bushing 509 to switch between the dust suction and blowing modes. The structure is simple and the assembly is relatively convenient.

In the embodiment, as shown in FIG. 4, the wind-proof sleeve comprises the inner bush 507 and the outer bush 509 fitted and fixed with an outer wall of the inner bush 507; the two end faces of the inner bush 507 are respectively provided with the inner air inlet hole 5070 and the inner air outlet hole 5072 which in one-to-one correspondence and the two end faces of the outer bush 509 are respectively provided with the outer air inlet hole 5090 and the outer air outlet hole 5092 which are offset from each other; one group of the inner air inlet hole 5070 and the outer air inlet hole 5090 are arranged in one-to-one correspondence, one group of the inner air outlet hole 5072 and the outer air outlet hole 5092 are arranged offset from each other, then the air suction end face is correspondingly open; one group of the inner air outlet hole 5072 and the outer air outlet hole 5092 are arranged in one-to-one correspondence, one group of the inner air inlet hole 5070 and the outer air inlet hole 5090 are arranged offset from each other, then the air blowing end face is correspondingly open. In this embodiment, the two end faces of the inner bush 507 are respectively provided with the inner air inlet holes 5070 and the inner air outlet holes 5072 which are mutually staggered, while the two end faces of the outer bush 509 are respectively provided with the outer air inlet holes 5090 and the outer air outlet holes 5092 which are one-to-one corresponding. One group of the inner air inlet hole 5070 and the outer air inlet hole 5090 are arranged in one-to-one correspondence, one group of the inner air outlet hole 5072 and the outer air outlet hole 5092 are arranged offset from each other, then the air suction end face is correspondingly open; one group of the inner air outlet hole 5072 and the outer air outlet hole 5092 are arranged in one-to-one correspondence, one group of the inner air inlet hole 5070 and the outer air inlet hole 5090 are arranged offset from each other, then the air blowing end face is correspondingly open, ensuring the mutual independence of the two modes of dust suction and air blowing, and improving the use experience.

In the embodiment, as shown in FIGS. 1-4, the inner air inlet hole 5070 and the inner air outlet hole 5072 as well as the outer air inlet hole 5090 and the outer air outlet hole 5092 are evenly distributed around the center of the corresponding end face, the side walls of the outer bush 509 and the inner bush 507 close to the two side end faces are respectively provided with outer air inlet holes 5090, outer air outlet holes 5092, inner air inlet holes 5070 and inner air outlet holes 5072 which are consistent with the circumferential distribution uniformity of the outer ventilation hole 505b and inner ventilation hole 505a; the inner ventilation hole 505a on two sides of the inner bush 507 are arranged in one-to-one correspondence, and the outer ventilation hole 505b on two sides of the outer bush 509 are arranged in a mutually staggered manner. In the process of use, it is only necessary to drive the inner bush 507 and the outer bush 509 to rotate at a predetermined angle relative to each other to realize the switching of dust suction and blowing modes. When the air blowing end face 503 is open, the inner ventilation hole 505a and the outer ventilation hole 505b far from the air blowing end face 503 are correspondingly open. When the air suction end face 501 is open, the inner ventilation hole 505a and the outer ventilation hole 505b far away from the air suction end face 501 are correspondingly open, so as to generate sufficient air flow in the corresponding air blowing duct or dust suction duct and ensure the working efficiency of the air duct conversion bin integrated with suction and blowing.

In the embodiment, as shown in FIGS. 1-4, the inner air inlet hole 5070 and the inner air outlet hole 5072 as well as the outer air inlet hole 5090 and the outer air outlet hole 5092 are evenly distributed around the center of the corresponding end face, the side walls of the outer bush 509 and the inner bush 507 close to the two side end faces are respectively provided with outer air inlet holes 5090, outer air outlet holes 5092, inner air inlet holes 5070 and inner air outlet holes 5072 which are consistent with the circumferential distribution uniformity of the outer ventilation hole 505b and inner ventilation hole 505a; the inner ventilation hole 505a on two sides of the inner bush 507 are arranged in a mutually staggered manner, and the outer ventilation hole 505b on two sides of the outer bush 509 are arranged in one-to-one correspondence. In this embodiment, the inner ventilation holes 505a on both sides of the inner bush 507 are staggered with each other, while the outer ventilation holes 505b on both sides of the outer bush 509 are set one by one. In the process of use, it is only necessary to drive the inner bush 507 and the outer bush 509 to rotate at a predetermined angle relative to each other to realize the switching of dust suction and blowing modes. When the air blowing end face 503 is open, the inner ventilation hole 505a and the outer ventilation hole 505b far from the air blowing end face 503 are correspondingly open. When the air suction end face 501 is open, the inner ventilation hole 505a and the outer ventilation hole 505b far away from the air suction end face 501 are correspondingly open, so as to generate sufficient air flow in the corresponding air blowing duct or dust suction duct and ensure the working efficiency of the air duct conversion bin integrated with suction and blowing.

In the embodiment, as shown in FIGS. 1-4, the toggle switch 52 is a push rod 521 which is relatively fixed with the inner bush 507 and is located in a correspondingly provided a sliding groove 523 on the outer bush 509; the push rod 521 is placed at both ends of the sliding groove 523 to open the air suction end face 501, as well as the inner ventilation hole 505a and the outer ventilation hole 505b far from the air suction end face 501 respectively, so as to close the air blowing end face 503; or opening the air blowing end face 503, as well as the inner ventilation hole 505a and the outer ventilation hole 505b away from the air blowing end face 503 so as to close the air suction end face 501, at the same time, the inner ventilation hole 505a and the outer ventilation hole 505b far away from the air suction end face 501. In this embodiment, the toggle switch 52 is set as the push rod 521 which is fixed relative to the inner bush 507 and located in the corresponding sliding groove 523 opened on the outer bush 509, and the push rod 521 is placed at both ends of the sliding groove 523 respectively to turn on the blowing mode and turn off the suction mode or turn on the suction mode and turn off the blowing mode. The operation is simple and the user learning cost is reduced. It can be understood that the center angle corresponding to the arc moving path of the push rod 521 in the sliding groove 523 is the same degree as the angle formed by connecting the two adjacent air inlet holes or air outlet hole centers on the air suction end face 501 or the air blowing end face 503 with the corresponding end face centers.

In the embodiment, as shown in FIGS. 1, 4 and 5, the inner bush 507 comprises a first inner sleeve 5074 and a second inner sleeve 5076; the electric machinery 2 is correspondingly assembled in the accommodating cavity formed by the butt joint of the first inner sleeve 5074 and the second inner sleeve 5076; the outer bush 509 comprises a first outer sleeve 5094 and a second outer sleeve 5096; the inner bush 507 is correspondingly assembled in the accommodating cavity formed by the butt joint of the first outer sleeve 5094 and the second outer sleeve 5096. In this embodiment, the inner bush 507 and the outer bush 509 are formed by butt joint of two sleeves. The electric machinery 2 is correspondingly assembled in the first inner sleeve 5074 and the second inner sleeve 5076 to form the accommodating cavity; the outer bush 509 comprises the first outer sleeve 5094 and the second outer sleeve 5096. Therefore, the structure is simple and the disassembly and assembly are relatively convenient.

In the embodiment, as shown in FIGS. 4 and 5, the first inner sleeve 5074 and the second inner sleeve 5076, as well as the first outer sleeve 5094 and the second outer sleeve 5096 are respectively provided with a buckle assembly 6 for butt fixation; the buckle assembly 6 comprises an elastic barb 61 arranged at the butt opening of sleeve on one side and a clamping groove 63 arranged on the sleeve on the opposite side corresponding to the elastic barb 61; the elastic barb 61 is clamped and buckled in the clamping groove 63 to form the complete inner bush 507 and the outer bush 509. In this embodiment, the first inner sleeve 5074 and the second inner sleeve 5076 as well as the first outer sleeve 5094 and the second outer sleeve 5096 are connected and fixed by setting the buckle assembly 6. The buckle assembly 6 includes the elastic barb 61 and the clamping groove 63. The elastic barb 61 snaps into the clamping groove 63 to form the complete inner bush 507 and the outer bush 509, which has good connection stability and is more convenient for disassembly and assembly.

In the embodiment, as shown in FIGS. 4 and 5, an electric machinery cover 23 is provided on one side of the electric machinery 2, and an inner wall of the first inner sleeve 5074 is provided corresponding to the electric machinery 2 with an embedded groove 5078 adapted to an outer surface of the electric machinery cover 23; an end face of the second inner sleeve 5076 is provided with a fixing hole, and a fixing block 21 is additionally arranged to be clamped in the fixing hole and clamped with the bottom wall of the embedded groove 5078 from both ends of the electric machinery 2 and fix the electric machinery 2. In this embodiment, the electric machinery cover 23 of the electric machinery 2 is correspondingly assembled in the embedded groove 5078 of the first inner sleeve 5074, and the opposite side is clamped by the fixing block 21 through the fixed hole opened on the end face of the second inner sleeve 5076 in cooperation with the bottom wall of the embedded groove 5078. The structure is simple and the fixing effect is good.

In the embodiment, as shown in FIGS. 1 and 4, a heating element 7 is also mounted on the outside of the air blowing end face 503. In this embodiment, the heating element 7 is correspondingly assembled on the outside of the air blowing end face 503 to accelerate the moisture volatilization and improve the dry matter performance of the end product suction and blowing integrated machine.

The above are only optional embodiments of the present disclosure and are not intended to limit the present disclosure. Any modification, equivalent replacement and improvement made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. Air duct conversion bin integrated with suction and blowing, comprising:

an electric machinery and an air duct switching member arranged outside the electric machinery for switching the electric machinery to a dust suction mode in which an air inlet end is one-sided inlet and an air outlet end is sealed, or a blowing mode in which an air outlet end is one-sided inlet and an air inlet end is sealed;

wherein the air duct switching member comprises a wind-proof sleeve which is covered on the outside of the electric machinery; the wind-proof sleeve corresponds to the air inlet end and the air outlet end, which are respectively provided with an air suction end face and an air blowing end face that can be switched on and off; the opening and closing states of the air suction end face and the air blowing end face are opposite; the air duct switching member also includes a toggle switch; the toggle switch is used to switch the opening and closing of the air suction end face and the air blowing end face simultaneously in a single time; the side wall of the wind-proof sleeve is also provided with a ventilation hole through which the air supply flow passes.

2. The air duct conversion bin integrated with suction and blowing according to claim 1, wherein the wind-proof sleeve comprises the inner bush and the outer bush fitted and fixed with an outer wall of the inner bush; the two end faces of the inner bush are respectively provided with an inner air inlet hole and an inner air outlet hole which in one-to-one correspondence and the two end faces of the outer bush are respectively provided with the outer air inlet hole and the outer air outlet hole which are offset from each other; one group of the inner air inlet hole and the outer air inlet hole are arranged in one-to-one correspondence, one group of the inner air outlet hole and the outer air outlet hole are arranged offset from each other, then the air suction end face is correspondingly open; one group of the inner air outlet hole and the outer air outlet hole are arranged in one-to-one correspondence, one group of the inner air inlet hole and the outer air inlet hole are arranged offset from each other, then the air blowing end face is correspondingly open.

3. The air duct conversion bin integrated with suction and blowing according to claim 1, wherein the wind-proof sleeve comprises an inner bush and an outer bush fitted and fixed with an outer wall of the inner bush; the two end faces of the inner bush are respectively provided with an inner air inlet hole and an inner air outlet hole which are offset from each other and the two end faces of the outer bush are respectively provided with an outer air inlet hole and an outer air outlet hole which in a one-to-one correspondence; one group of the inner air inlet hole and the outer air inlet hole are arranged in one-to-one correspondence, one group of the inner air outlet hole and the outer air outlet hole are arranged offset from each other, then the air suction end face is correspondingly open; one group of the inner air outlet hole and the outer air outlet hole are arranged in one-to-one correspondence, one group of the inner air inlet hole and the outer air inlet hole are arranged offset from each other, then the air blowing end face is correspondingly open.

4. The air duct conversion bin integrated with suction and blowing according to claim 2, wherein the inner air inlet hole and the inner air outlet hole as well as the outer air inlet hole and the outer air outlet hole are evenly distributed around the center of the corresponding end face, the side walls of the outer bush and the inner bush close to the two side end faces are respectively provided with the outer air inlet hole, and the outer air outlet hole, as well as the inner air inlet hole and the inner air outlet hole which are consistent with the circumferential distribution uniformity of the outer ventilation hole and inner ventilation hole; the inner ventilation hole on two sides of the inner bush are arranged in one-to-one correspondence, and the outer ventilation hole on two sides of the outer bush are arranged in a mutually staggered manner.

5. The air duct conversion bin integrated with suction and blowing according to claim 3, wherein the inner air inlet hole and the inner air outlet hole as well as the outer air inlet hole and the outer air outlet hole are evenly distributed around the center of the corresponding end face, the side walls of the outer bush and the inner bush close to the two side end faces are respectively provided with the outer air inlet hole and the outer air outlet hole, as well as the inner air inlet hole and the inner air outlet hole which are consistent with the circumferential distribution uniformity of the outer ventilation hole and inner ventilation hole; the inner ventilation hole on two sides of the inner bush are arranged in a mutually staggered manner, and the outer ventilation hole on two sides of the outer bush are arranged in one-to-one correspondence.

6. The air duct conversion bin integrated with suction and blowing according to claim 4, wherein the toggle switch is a push rod which is relatively fixed with the inner bush and is located in a correspondingly provided sliding groove on the outer bush; the push rod is placed at both ends of the sliding groove to open the air suction end face, as well as the inner ventilation hole and the outer ventilation hole far from the air suction end face respectively, so as to close the air blowing end face; or opening the air blowing end face, as well as the inner ventilation hole and the outer ventilation hole away from the air blowing end face so as to close the air suction end face and the inner ventilation hole and the outer ventilation hole away from the air suction end face.

7. The air duct conversion bin integrated with suction and blowing according to claim 5, wherein the toggle switch is a push rod which is relatively fixed with the inner bush and is located in a correspondingly provided sliding groove on the outer bush; the push rod is placed at both ends of the sliding groove to open the air suction end face, as well as the inner ventilation hole and the outer ventilation hole far from the air suction end face respectively, so as to close the air blowing end face; or opening the air blowing end face, as well as the inner ventilation hole and the outer ventilation hole away from the air blowing end face so as to close the air suction end face and the inner ventilation hole and the outer ventilation hole away from the air suction end face; or opening the air blowing end face, as well as the inner ventilation hole and the outer ventilation hole away from the air blowing end face so as to close the air suction end face and the inner ventilation hole and the outer ventilation hole away from the air suction end face.

8. The air duct conversion bin integrated with suction and blowing according to claim 4, wherein the inner bush comprises a first inner sleeve and a second inner sleeve; the electric machinery is correspondingly assembled in the accommodating cavity formed by the butt joint of the first inner sleeve and the second inner sleeve; the outer bush comprises a first outer sleeve and a second outer sleeve; the inner bush is correspondingly assembled in the accommodating cavity formed by the butt joint of the first outer sleeve and the second outer sleeve.

9. The air duct conversion bin integrated with suction and blowing according to claim 5, wherein the inner bush comprises a first inner sleeve and a second inner sleeve; the electric machinery is correspondingly assembled in the accommodating cavity formed by the butt joint of the first inner sleeve and the second inner sleeve; the outer bush comprises a first outer sleeve and a second outer sleeve; the inner bush is correspondingly assembled in the accommodating cavity formed by the butt joint of the first outer sleeve and the second outer sleeve.

10. The air duct conversion bin integrated with suction and blowing according to claim 8, wherein the first inner sleeve and the second inner sleeve, as well as the first outer sleeve and the second outer sleeve are respectively provided with a buckle assembly for butt fixation; the buckle assembly comprises an elastic barb arranged at the butt opening of sleeve on one side and a clamping groove arranged on the sleeve on the opposite side corresponding to the elastic barb; the elastic barb is clamped and buckled in the clamping groove to form the complete inner bush and the outer bush.

11. The air duct conversion bin integrated with suction and blowing according to claim 10, an electric machinery cover is provided on one side of the electric machinery, and an inner wall of the first inner sleeve is provided corresponding to the electric machinery with an embedded groove adapted to an outer surface of the electric machinery cover; an end face of the second inner sleeve is provided with a fixing hole, and a fixing block is additionally arranged to be clamped in the fixing hole and clamped with the bottom wall of the embedded groove from both ends of the electric machinery and fix the electric machinery.

12. The air duct conversion bin integrated with suction and blowing according to claim 1, wherein a heating element is also mounted on the outside of the air blowing end face.