AUTOMATIC POSITION-RESTORING EXTENDED SLIDE APPARATUS
An automatic position-restoring extended slide apparatus includes: a bottom rail; a middle rail and an inner rail, slidably installed in bottom rail; a positioning hole proximate to an end of the inner rail; a control seat at the rear of the bottom rail and having a slide slot, a slot abutting end and a slant slot at the front of the slide slot; a slide cover slidably covered onto the control seat and having at least one spring between the slide cover and control seat; a swaying element installed between the control seat and slide cover and having a protruding pillar extended from the slide cover and a link element fixed to the positioning hole of the inner rail and having a link slot at the bottom of the link element for inserting, transmitting and connecting the protruding pillar to achieve the effect of extending the length of the slide.
1. Field of the Invention
The present invention relates to a slide structure, and more particularly to an automatic position-restoring extended slide having an effect of extending the length of the slide and a simple and refined structure with a smooth movement and a good operability.
2. Description of the Related Art
As present push-pull cabinets or drawers are applied in various different containing and storing apparatuses extensively, manufacturers generally combine positioning guide slides on both sides of a slide for facilitating the operations including pulling and pushing the cabinet (drawer) and further combine an automatic position-restoring mechanism to the slide for closing the cabinet (drawer) stably, such that if the cabinet (drawer) is pushed to a rear section of the storing apparatus, the automatic position-restoring mechanism is pulled by the cabinet (drawer) and moved backward automatically to set the cabinet (drawer) to a stable closed condition. With reference to
Although the aforementioned prior art can achieve the automatic position-restoring effect of the drawer, the extended length of the inner rail 92 is restricted by the position of the positioning hole 921 due to the position of the positioning hole 921 fixed by the link element 96 or even a distance remained at the rear end of the inner rail 92. As a result, the length of a section of the inner rail 92 behind the positioning hole 921 no longer can be used, and the effect of extending the length cannot be maximized. The complicated assembly among the swaying element 95, the slide cover 94 and the link element 96 may cause a wrong or unsmooth movement that requires further improvements. Therefore, it is an important subject for related manufacturers to overcome the drawbacks of the conventional automatic position-restoring slide.
In view of the aforementioned drawbacks of the prior art, the inventor of the present invention based on years of experience in the related industry to conduct extensive researches and experiments, and finally developed an automatic position-restoring extended slide apparatus with better extendibility, smoothness and durability in accordance with the present invention to overcome the drawbacks of the conventional automatic position-restoring slide.
SUMMARY OF THE INVENTIONTherefore, it is a primary objective of the invention to provide an automatic position-restoring extended slide apparatus having the effect of extending the length of the slide and a simple and refined structure with a smooth movement and a good operability and the advantages of a good operability, an automatic position-restoring operation with an excellent overall smooth movement, an easy installation and a low failure rate to improve the practicability and product competitiveness of the slide apparatus.
To achieve the foregoing objective, the present invention adopts the following technical measure and provides an automatic position-restoring apparatus comprising: a bottom rail having a bottom rail space; a middle rail slidably installed in the bottom rail space and having a middle rail space; an inner rail slidably installed in the middle rail space and having a positioning hole formed at a position proximate to an end of the inner rail; a control seat mounted onto a rear end of the bottom rail and having a slide slot, a slot abutting end and a slant slot formed at a front end of the slide slot; a slide cover slidably covered onto the control seat and having at least one spring coupled between the slide cover and the control seat, and an elliptical through hole formed at a rear end of the slide cover; a swaying element installed between the control seat and the slide cover and having a protruding pillar extended out from the elliptical through hole and a guide rib installed at the bottom surface of the swaying element and slidably installed in the slide slot; and a link element fixed to the positioning hole of the inner rail and having a link slot formed at the bottom of the link element, and the link slot includes a connecting slot at the rear and a slant pressing slot at the front, and the link slot is provided for inserting, transmitting and connecting the protruding pillar, such that the slide apparatus can achieve the effect of extending and increasing the length of the slide and provide the advantages of a good operability, an automatic position-restoring operation with an excellent overall smooth movement, an easy installation and a low failure rate to improve the practicability and product competitiveness of the slide apparatus.
The technical characteristics and effects of the present invention will be apparent with the detailed description of preferred embodiment together with the illustration of related drawings as follows.
With reference to
The bottom rail 10 is mounted onto a cabinet (not shown in the figure), and the bottom rail 10 has a bottom rail space 11, and a fixing hole 12 formed at a rear end of the bottom rail 10.
The middle rail 20 is slidably installed in the bottom rail space 11 of the bottom rail 10, and the middle rail 20 has a middle rail space 21.
The inner rail 30 is mounted onto a drawer or a cabinet (not shown in the figure), and slidably installed in the middle rail space 21 of the middle rail 20, and the inner rail 30 includes a positioning hole 32 formed at a position proximate to a rear end 31 of the inner rail 30, and the positioning hole 32 is a square hole.
In addition, the automatic position-restoring extended slide apparatus of the invention further comprises the following elements:
A control seat 40 includes two spring slot 42 formed on both internal sides of a shock absorbing device 41 respectively and the shock absorbing device 41 is fixed to a distal seat portion 45 at a rear end of the control seat 40, and the spring slot 42 contains a spring 44, and an end of the spring 44a is fixed to a clamp portion 421 disposed at a distal seat portion 45 at the rear, and a fixing hole 46 is formed at a position of the distal seat portion 45 for fixing (by screwing) into the fixing hole 46 with the fixing hole 12 at the rear end of the bottom rail 10, and the control seat 40 is positioned in the bottom rail space 11, and a slide slot 43 is formed substantially at the middle position of the control seat 40, and a slant slot 431 and slot abutting end 432 are formed at the front end of the slide slot 43.
A slide cover 50 is slidably covered onto the control seat 40, and the slide cover 50 includes a shock absorbing slot 51 and a spring slot 52 disposed on both sides of the slide cover 50 and corresponding to each other for covering and protecting the shock absorbing device 41 and the spring 44, wherein the front end of the shock absorbing device 41 is fixed to a clamp opening 510 formed at the front end of the shock absorbing slot 51, and the front end of the spring 44 is fixed to a snatch portion 521 at a front end of the spring slot 52, and a slanting elliptical through hole 53 is formed substantially at the middle position of the rear end of the slide cover 50, and a concave containing portion 54 is disposed substantially at the middle position of the top of the slide cover 50 and passed through the elliptical through hole 53.
A swaying element 60 is installed between the control seat 40 and the slide cover 50, and the swaying element 60 is substantially a triangular slanting component having a protruding pillar 61 at the top and a guide rib 62 at the bottom, and the protruding pillar 61 is protruded out from the elliptical through hole 53 of the slide cover 50, and the guide rib 62 is installed with a slightly aslant angle and slidably in the slide slot 43 of the control seat 40.
A link element 70 is substantially a square block installed at the concave containing portion 54 of the slide cover 50 and includes a fixing portion 71 disposed at the top of the link element 70 and fixed to the positioning hole 32 (of the inner rail 30 as shown in
With reference to
With reference to
In the aforementioned operation of pulling the drawer or cabinet, the inner rail 30 is extended and slid on the middle rail 20, such that when the slide cover 50 is actuated, the middle rail 20 is pushed by the slide cover 50 and driven to slide and extend its length to the final opened status of the drawer or cabinet.
With reference to
In
Since the present invention adopts the simple assembly and the interactive installation of the swaying element and the link element, the present invention provides the advantages of a good operability, an automatic position-restoring operation with an excellent overall smooth movement, an easy installation and a low failure rate to improve the practicability and product competitiveness of the slide apparatus. More importantly, the present invention includes the link element installed at a position proximate to the rear end of the inner rail for achieving the effect of extending the length of the inner rail to provide a better operation, so as to enhance the practicality and product competitiveness of the slide apparatus.
While the invention has been described by device of specific embodiments, numerous modifications and variations could be made thereto by those generally skilled in the art without departing from the scope and spirit of the invention set forth in the claims.
Claims
1. An automatic position-restoring extended slide apparatus, comprising:
- a bottom rail, having a bottom rail space;
- a middle rail, slidably installed in the bottom rail space, and having a middle rail space;
- an inner rail, slidably installed in the middle rail space, and having a positioning hole formed at a position proximate to a rear end of the middle rail space;
- a control seat, mounted onto a rear end of the bottom rail, and having a slide slot, and a slot abutting end and a slant slot formed at a front end of the slide slot;
- a slide cover, slidably covered onto the control seat, and having at least one spring coupled between the slide cover and the control seat, and an elliptical through hole formed at a rear end of the slide cover;
- a swaying element, installed between the control seat and the slide cover, and having a protruding pillar formed at the top of the swaying element and protruded out from the elliptical through hole and a guide rib formed at the bottom of the swaying element and slidably installed into the slide slot; and
- a link element, fixed to the positioning hole of the inner rail, and having a link slot formed at the bottom of the link element, and the link slot including a connecting slot formed at a rear end of the link slot and a slant pressing slot formed at a front end of the link slot, and the link slot being provided for inserting, transmitting and coupling the protruding pillar.
2. The automatic position-restoring extended slide apparatus of claim 1, further comprising at least one shock absorbing device, wherein both ends of the shock absorbing device are fixed to the rear end of the control seat and the front end of the slide cover respectively.
3. The automatic position-restoring extended slide apparatus of claim 1, wherein the slide cover includes a shock absorbing slot for covering and protecting the shock absorbing device.
4. The automatic position-restoring extended slide apparatus of claim 1, wherein the elliptical through hole is aslant.
5. The automatic position-restoring extended slide apparatus of claim 1, wherein the slide cover includes a concave containing portion disposed at the top of the slide cover for containing the link element, and passed through the elliptical through hole.
6. The automatic position-restoring extended slide apparatus of claim 1, wherein the swaying element is a biased triangular component and the guide rib is installed biasedly.
7. The automatic position-restoring extended slide apparatus of claim 1, wherein the link element is substantially a square block, and the link element includes a fixing portion disposed at the top of the link element for fixing into the positioning hole.
8. The automatic position-restoring extended slide apparatus of claim 1, further comprising a lateral adjusting slot formed between the connecting slot and the slant pressing slot.
9. The automatic position-restoring extended slide apparatus of claim 1, wherein the middle rail includes a shock-absorbing abutting device fixed at a front end of the middle rail.
10. The automatic position-restoring extended slide apparatus of claim 9, wherein the shock-absorbing abutting device includes a lateral protection portion disposed separately on both sides of the shock-absorbing abutting device, and at least one elastic bent arm and a pressing pillar disposed at the front end of the shock-absorbing abutting device, and the inner rail includes an end plate installed at a front end of the inner rail for abutting the elastic bent arm.
Type: Application
Filed: Sep 27, 2010
Publication Date: Apr 28, 2011
Inventors: Kuo Sheng HUANG (Ying-Ge Town), Chia Hung Su (Ying-Ge Town)
Application Number: 12/890,978
International Classification: A47B 88/08 (20060101);