AUXILIARY EQUIPMENT FOR KITCHEN HOOD IMPROVING EXTRACTION AND ANTI-SPLASHING COOKING OIL

Abstract

This invention relates to the auxiliary equipment for kitchen hood with the purpose of preventing the cooking odors and oil from spreading out the kitchen. The auxiliary equipment includes a rectangular frame designed in module type, curtains, and brackets to fix the auxiliary equipment to a kitchen hood. The frame includes four frame modules assembled together with curtain rollers having curtains fitted inside the frame modules. The curtain rollers rotate to raise or lower the curtains simultaneously. When the curtains are lowered a temporary enclosure is provided. The curtains are made of transparent material to prevent cooking odors and cooking oil from escaping the enclosure. The curtains are provided with fire-proof footage to keep the curtains safe. Small slits are provided on the curtains to help the cook to easily observe and handle food being cooked within the enclosure.

Description

CROSS-REFERENCE TO RELATED APPLICATION

This application claims foreign priority to Vietnam Application No. 1-2023-02391 filed on Apr. 11, 2023, which is incorporated by reference in its entirety.

TECHNICAL FIELD

This invention refers to an auxiliary equipment for kitchen hood so that improves extraction and anti-splashing cooking oil.

BACKGROUND

Current hoods can only absorb cooking odors partly. Most of the cooking odors will spread out all over the kitchen, especially in the apartment which has the kitchen adjacent to the living room. Furthermore, the hot oil that splashes out while frying food can cause burns to the cook and it will take time and efforts to clean up.

Therefore, there is a need of auxiliary equipment for effective hood and anti-splashing cooking oil.

SUMMARY

The following presents a simplified summary of some embodiments of the invention in order to provide a basic understanding of the invention. This summary is not an extensive overview of the invention. It is not intended to identify key/critical elements of the invention or to delineate the scope of the invention. Its sole purpose is to present some embodiments of the invention in a simplified form as a prelude to the more detailed description that is presented later.

This invention refers to the auxiliary equipment for kitchen hood which improves extraction and anti-splashing cooking oil. It can help to eliminate almost completely the odors to keep the kitchen clean and especially help to protect the cook from oil splashing.

In one embodiment, the invention provides an auxiliary equipment for a kitchen hood so that the cooking odor does not spread out all over the kitchen area but instead collect and be absorbed by the kitchen hood. This equipment includes a rectangular frame 2 designed in modular type and curtains 3 which are cover four sides of the cooker and the bracket 8 to attach this equipment to the kitchen hood, wherein the frame 2 is consisting of four modules that are assembled together, and the curtain rollers 15 and curtains 3 are arranged inside these frame modules, and wherein the curtain rollers 15 can rotate to lower or raise the curtains 3 together simultaneously, wherein the curtains 3 cover around the cooker are made of transparent material and prevent odors and oil splashing. The curtains 3 include footages 4 made of fire-proof material to keep the curtains 3 safe, and on the curtains 3 have several small slits 7 to observe and cook easily.

In one specific embodiment, the modular frame 2 includes two first frame modules 16 and two second frame modules 17, wherein the first frame modules 16, opposite with each other, is inserted a gear system including a driven gear 11 and a drive gear 12 interlocked with each other, a cable reel 10 to wind a cable 13, a curtain roller 15 with a curtain 3. The curtain roller 15 is removable and simultaneously rotatable with the shaft of the drive gear 12. One end of the first frame module is equipped a braking pin 9 in anti-rotating way which is interlocked with the turning braking gear 19 on the shaft of the drive gear 12 of this first frame module. The second frame modules 17, opposite with each other, is inserted a tension spring 14, the curtain roller 15, with the curtain 3, which is removable and rotatable simultaneously with the shaft the driven gear 11. The gears make movements that make the curtain rollers 15 rotate to raise or lower the curtains 3 together simultaneously.

In one specific embodiment, on the shaft of the drive gear 12 is fixed the cable reel 10, to wind the cable 13, and the turning-braking gear 19, and while lowering the curtain 3 in direction of the arrow 20, the tension spring 14 will be stretched out and thanks to the braking pin 9 and the turning-braking gear 19, the power is restored, and when there is a need to raise the curtain 3, the braking pin 9 will be pulled out, the tension spring 14 is retracted to release the power to unwind the cable 13 and rotate the cable reel 10 that helps the drive gear 12 automatically rotate in reverse direction to make the whole system of the drive gear 12. The driven gear 11 and the curtain roller 15 rotate simultaneously and thereby the curtain 3 is automatically rolled in direction of the arrow 27.

The transparent curtain keeps the kitchen clean, free-cooking odors and especially help to protect the cook from oil splashing. The present equipment is easily assembled or disassembled and convenient for cleaning.

BRIEF DESCRIPTION OF DRAWINGS

The foregoing summary, as well as the following detailed description of presently preferred embodiments of the invention, will be better understood when read in conjunction with the appended drawings. For the purpose of illustrating the invention, there are shown in the drawings embodiments which are presently preferred. It should be understood, however, that the invention is not limited to the precise arrangements and instrumentalities shown.

FIG. 1 shows the auxiliary equipment for the kitchen hood with the curtain lowered while cooking.

FIG. 2 shows the auxiliary equipment for the kitchen hood with the curtain rolled while not cooking.

FIG. 3 shows the auxiliary equipment for the kitchen hood with direct horizontal view.

FIG. 4 shows the auxiliary equipment for the kitchen hood with view from the top.

FIG. 5 shows the movement equipment system of the kitchen hood with view from the top.

FIG. 6 shows assembly of main parts of the auxiliary equipment for the kitchen hood with view from the top.

FIG. 7 shows assembly of main parts of the auxiliary equipment for the kitchen hood with side-view.

FIG. 8 shows the assembly of main parts of the auxiliary equipment for the kitchen.

FIG. 9 shows the movements of the curtain, gear, winding and braking pin system with curtain lowered while cooking.

FIG. 10 shows the operation of the gear with braking pin, wherein the curtain is lowered while cooking.

FIG. 11 shows the movements of the curtain, gear, winding and braking pin system wherein the curtains are lowered while cooking.

FIG. 12 shows operation of gear with braking pin, wherein the curtain is lowered while the automatic braking pin is pulled out.

To facilitate an understanding of the invention, identical reference numerals have been used, when appropriate, to designate the same or similar elements that are common to the figures. Further, unless stated otherwise, the features shown in the figures are not drawn to scale and are shown for illustrative purposes only.

EXPLANATORIES

• • 1: kitchen hood
  • 2: frame of the auxiliary equipment for the kitchen hood
  • 3: curtain of the auxiliary equipment for the kitchen hood
  • 4: footage of the curtain
  • 5: cooking pan
  • 6: cooker/stove
  • 7: curtain slit for cooking
  • 8: bracket
  • 9: braking pin
  • 10: cable reel
  • 11: driven gear
  • 12: drive gear
  • 13: cable
  • 14: tension spring
  • 15: curtain roller
  • 16: the first frame module
  • 17: the second frame module
  • 18: direction of assembling the first modular frame
  • 19: turning-braking gear
  • 20: direction of lowering the curtain
  • 21: direction of rotating roller while the curtain lowering
  • 22: direction of stretching tension spring to restore power
  • 23: direction of opening braking pin
  • 24: direction of pulling braking pin to raise the curtain
  • 25: direction of retracting tension spring to raise the curtain
  • 26: direction of rotating curtain roller while curtain raising
  • 27: director of raising the curtain
  • 28: automatic braking pin spring

It is noted that reference numbers are provided in the specification and claims to assist the reader while the text is read in conjunction with the drawings. The reference numbers shown in the claims are not intended to be part of the claims nor are they intended to limit the scope of the claims.

DETAILED DESCRIPTION

Certain terminology is used in the following description for convenience only and is not limiting. The article “a” is intended to include one or more items, and where only one item is intended the term “one” or similar language is used. Additionally, to assist in the description of the present invention, words such as top, bottom, side, upper, lower, front, rear, inner, outer, right and left are used to describe the accompanying figures. The terminology includes the words above specifically mentioned, derivatives thereof, and words of similar import.

The purpose of this invention is to make a transparent curtain system to prevent the cooking odors from spreading out the kitchen area but being collected and extracted by the kitchen hood. Thanks to this curtain system, the cook can observe the food and easily do the cooking activities such as: stirring, tossing or flipping, etc. The curtains will be rolled when not in use and easily cleaned up.

As shown in the figures, to obtain this goal, the equipment is designed to include two main parts: a frame 2 and curtains 3. The frame 2 is in a center-empty rectangular shape and is connected to the kitchen hood 1 through the bracket 8. At the corner of this frame, there are a driven gear 11 and a drive gear 12 interconnected and synchronized with each other, therefore, when moving, they help the whole curtain rollers 15 rotating to raise or lower the curtains 3 simultaneously.

Referring to the figures, in one embodiment, a cable reel 10 and a turning-braking gear 19 are fixed on the shaft of the drive gear 12. While the curtain 3 is lowered in direction of the arrow 20, the cable reel 10 will wind the cable 13 in direction of the arrow 21, as a result, the tension spring 14 is stretched, and thanks to braking pin 9 combined with turning-braking gear 19, the tension spring 14 will not be retracted thereby the power is restored. When there is a need to raise the curtain 3, the braking pin 9 is pulled out, the tension spring 14 is retracted and the power is released to pull the cable 13 and rotate the cable reel 10. Thanks to that, the drive gear 12 will automatically rotate in reverse direction which allows all system of driven gear 11 and curtain rollers 15 rotate synchronously in reverse direction and the curtain 3 is rolled automatically in direction of the arrow 27. Moreover, the frame 2 fully covers the curtain rollers 15 that brings aesthetics to the equipment.

The curtain part 3 are composed of transparent material, that cover around the cooker and roll around the curtain rollers 15, with the curtain footages 4 which have heavy weight to stretch the curtains 3 to keep the four adjacent edges of the curtains 3 closed to the cooker and minimize the cooking odors to spread out. The footage 4 is fire-proof to prevent the fire or heat-temperature from reaching the curtain and keep the curtain 3 safe. On the curtains 3, there are small slits 7 to help the cook to easily observe, add seasoning or put cooking utensils over to handle food such as stirring, tossing, flipping, etc. Thanks to the curtains 3, the cooking odors will be collected through the hood and processed by the hood. The curtain 3 also helps the grease to be blocked from being splashed out the kitchen area.

Therefore, the present invention provides the auxiliary equipment for kitchen hood to prevent the cooking odors and oil from spreading out the kitchen, in which includes a rectangular frame 2 designed in modular type and curtains 3 which are cover four sides of the cooker and the bracket 8 to attach this equipment to the kitchen hood. The frame 2 consists of four modules that are assembled together, and the curtain roller 15 and curtain 3 are arranged inside these frame modules. The curtain rollers 15 can rotate to lower or raise the curtains 3 simultaneously together. The curtains 3 cover around the cooker is made of transparent material and prevents odors and oil splashing and includes a footage 4 made of fire-proof material to keep the curtains 3 safe, and the curtains 3 have several small slits 7 for the cook to observe and cook easily.

As shown in FIG. 1 and FIG. 2, the present invention provides the auxiliary equipment for the kitchen hood and anti-splashing cooking oil which includes the modular frame 2 which consists of two first frame modules and two second frame modules that are assembled with together. The two first frame modules 16 opposite with each other are inserted a gear system including a driven gear 11 and a drive gear 12 interlocked with each other. A cable reel 10 is provided to wind a cable 13. A curtain roller 15 with a curtain 3 is provided, wherein the curtain roller 15 is removable and simultaneously rotatable with the shaft of the drive gear 12, and wherein one end of the first frame module is equipped a braking pin 9 in anti-rotating way which is interlocked with the turning braking gear 19 on the shaft of the drive gear 12 of this first frame module.

The two second frame modules 17 opposite with each other include a tension spring 14 inserted therein, and the curtain roller 15, with the curtain 3, which is removable and simultaneously rotatable with the shaft the driven gear 11. The gears make movements that make the curtain rollers 15 rotate to raise or lower the curtains 3 together simultaneously. The curtain part 3 is composed of transparent material that cover around the cooker to prevent from spreading odors and splashing oil, in which the footage 4 of the curtain 3 is fire-proof material to prevent fire or heat-temperature from reaching the curtain and keep the curtain 3 safe. On the curtains 3, there are small slits 7 to help to observe and cook easily. A bracket 8 is also provided in order to hang the equipment of the present invention from the kitchen hood.

In one embodiment of the present invention, the cable reel 10 is fixed on the shaft of the drive gear 12, thereby, when the curtains 3 are lowered in direction of the arrow 20, the tension spring 14 is stretched and held by the braking pin 9 and turning-braking gear 19 to store the power. When there is a need to raise the curtain 3, the braking pin 9 is pulled out to retract the tension spring 14 and release the power which helps the cable 13 to be stretched and to wind the cable reel 10 and make the drive gear 12 automatically to rotate in reverse direction, so that the whole system of the drive gears 12, driven gears 11 and curtain rollers 15 also rotate simultaneously and thereby the curtains 3 are rolled automatically in the direction of the arrow 27.

In one preferred embodiment, the present invention provides the transparent curtain which covers four sides of the cooker in order to prevent the cooking odor from spreading out over the kitchen area but being collected and processed in the kitchen hood. The equipment of the present invention includes two main parts: the frame 2 and the curtains 3.

The frame 2 includes two first frame modules 16 and two second frame modules 17 which are assembled to each other by mounting (similar to Lego mounting) as follows: mounting the two first frame modules 16 into the two second frame modules 17 in direction of the arrow 18 as shown in FIG. 6 to FIG. 8. There are latches on the frame modules to keep these modules from moving out. In addition, the tension spring 14 is always stretched both when the curtain 3 is lowered or raised to help these frame modules to be more tightly connected. The first frame module 16 is in rectangular form with the driven gear 11, the drive gear 12, the cable reel 10, the cable 13 and the curtain roller 15 engaged at both ends of the frame modules. There is a braking pin 9 at one end portion of the one of the first frame modules 16. The second frame modules 17 is also in rectangle shape but without gears, with tension spring 14 and curtain roller 15 connected with the protruded portion of shaft of the driven gear 11 when all the frame modules are mounted. The mounting of these modules forms the frame 2 in shape of center-empty rectangle so that the kitchen hood can collect cooking odor through the equipment. This frame 2 is connected to the kitchen hood through the bracket 8.

So, the four corners of the frame are assembled with the gear systems which rotate synchronously. At each corner, the driven gear 11 is assembled perpendicularly to the drive gear 12. On the shaft of the drive gear 12, the cable reels 10 are fixed with the purpose of making rotation thanks to the power regenerated by tension spring 14 through the cable 13 and braking pin 9. The driven gear 11 and the drive gear 12 are connected to the rotary shaft of curtain roller 15 to form simultaneous movement for the whole system. When one gear rotates, the other gears and the curtain rollers will rotate in the same direction.

The braking pin 9 is attached to one corner of movement system to lock one way to prevent the drive gear 12 from rotating when the spring is stretched to store power.

As shown in FIG. 9 and FIG. 10, when the curtain 3 is lowered manually by a user in direction of the arrow 20, the shaft of the curtain roller will rotate in direction of the arrow 21. Thanks to the connection of the shaft of the curtain roller and the driven gear 11, the driven gear 11 will rotate with the same direction with curtain roller in direction of the arrow 21, the tension spring 14 is stretched in direction of the arrow 22 and power is stored. Thanks to the turning-braking gear 19 on the shaft of the drive gear 12 which has the bevel shape in one way and the bevel shape of the end of the shaft of the braking pin 9, so the turning-braking gear 19 can easily push the braking pin out in direction of the arrow 23 so that the drive gear 12 can rotate. There is a braking spring 28 on the braking pin 9, thus, when the braking pin 9 passes the top of the gear 19, it will lock the shaft of the drive gear 12 not to turn in reverse. Thereby, the power is restored in the tension spring 14.

As shown in FIG. 11 and FIG. 12, to raise the curtain 3, the braking pin 9 is pulled out in direction of the arrow 24, the shaft of the drive gear 12 is unlocked and thanks to the retracting the tension spring 14 in direction of the arrow 25, the power is released to pull the cable 13 that makes the cable reel 10 rotate and the drive gear 12 will rotate reversely in direction of the arrow 26, so that the whole system of the drive gear 12, the driven gear 11 and curtain rollers 15 will rotate synchronously, thus the curtains 3 will be rolled in direction of the arrow 27.

The curtain part 3 includes transparent curtains covering four sides of the cooker which are rolled on the curtain rollers 15 inside the frame, the footages 4 are in bottom portion of the curtains 3 and have heavy weight to stretch the curtains 3 to keep the four adjacent edges of the curtains 3 closed to the cooker and minimize the cooking odors to spread out. The footages 4 are made of fire-proof material to prevent the fire or heat from reaching the curtain and keep the curtain 3 safe, wherein the curtains 3 have several small slits 7 to help to observe and cook easily. Thanks to the curtains 3, the cooking odors will be collected and processed by the kitchen hood. The curtains 3 also prevent cooking oil from splashing out in the kitchen area.

In the embodiment shown, the components have the following materials-Frame and bracket: made of fire-proof hard plastic or aluminum or steel; Gear: made of fire-proof hard plastic, aluminum or steel; Curtain: made of transparent and high temperature resistance plastic; Footage: made of fire-proof hard plastic or aluminum. The color of the components can be the nature color of materials. For example, the frame and footage can be in silver color, and the curtain is colorless transparent. However, the materials and colors could vary without departing from the spirit and scope of the invention.

The auxiliary equipment for kitchen hood according to the present invention helps to eliminate almost completely cooking odors and keep the kitchen clean, and especially, helps to protect the cook from oil splashing. The equipment can be assembled and disassembled easily when not in use and is conveniently cleaned.

The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The described embodiments are to be considered in all respects only as illustrative and not restrictive. The scope of the invention, therefore, will indicated by claims rather than by the foregoing description. All changes, which come within the meaning and range of equivalency of the claims, are to be embraced within their scope.

Claims

1. An auxiliary equipment for a kitchen hood, that aims to improve extraction and anti-splash cooking oil, comprising a rectangular frame (2) designed in modular type, curtains (3) and a bracket (8) to couple the auxiliary equipment with the kitchen hood;

wherein the frame (2) comprises a plurality of modules that are assembled together, each of the plurality of modules having a curtain roller (15) coupled with a curtain (3) positioned therein,

wherein the curtain roller (15) is configured to rotate to lower or raise the curtain (3), and

wherein the curtains (3) are configured to at least partially enclose a cooker, and are made of transparent material to prevent odors and oil splashing, the curtains (3) having footages (4) made of fire-proof material to keep the curtains (3) safe, the curtains (3) having at least one small slit (7) for observing a space within the curtains (3).

2. The auxiliary equipment according to the claim 1, wherein the frame (2) includes:

two first frame modules (16) opposite with each other, each first frame module (16) having a drive gear (12) coupled with a cable reel (10) to wind a cable (13), the drive gear (12) coupled with the curtain roller (15), wherein the curtain roller (15) is removable and rotatable simultaneously with a shaft of the drive gear (12), wherein one of the first frame modules further comprises a turning-braking gear (19) on the shaft of the drive gear (12) to prevent rotation of the curtain roller (15), the turning-braking gear (19) interlocked with a braking pin (9) interlocked with the turning-braking gear (19); and

two second frame modules (17) opposite with each other, each second frame module (17) having a driven gear (11) coupled with the curtain roller (15), each second frame module also having a tension spring (14) housed therein and coupled to the cable (13), wherein the curtain roller (15) is removable and rotatable simultaneously with a shaft of the driven gear (11), wherein each drive gear (12) is coupled with a corresponding driven gear (11);

wherein the curtain rollers (15) are rotatable simultaneously such that the curtains (3) are raised and lowered together and the curtain rollers (15) are lockable such that the curtains (3) are maintained at the same level.

3. The auxiliary equipment according to the claim 2, wherein each cable reel (10) is fixed on the shaft of each drive gear (12) to wind and unwind the cables (13) and to rotate the drive gears (12) and the turning-braking gear (19),

whereby when any one of the curtains (3) is lowered each tension spring (14) is expanded and the curtains (3) are locked into place by the turning-brake gear (19), and

whereby when the braking pin (9) is released, the turning-brake gear (19) is disengaged and each tension spring (14) is retracted to unwind the cables (13) and rotate the cable reels (10) such that the curtains (3) are raised simultaneously.