CN201571737U - Device for locking underplate and backrest of swivel chair - Google Patents
Device for locking underplate and backrest of swivel chair Download PDFInfo
- Publication number
- CN201571737U CN201571737U CN2010200264172U CN201020026417U CN201571737U CN 201571737 U CN201571737 U CN 201571737U CN 2010200264172 U CN2010200264172 U CN 2010200264172U CN 201020026417 U CN201020026417 U CN 201020026417U CN 201571737 U CN201571737 U CN 201571737U
- Authority
- CN
- China
- Prior art keywords
- drag
- line
- briquetting
- swivel chair
- locating piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A device for locking an underplate and a backrest of a swivel chair comprises a guy cable and a slide strip, and is characterized in that a main housing, an outer sleeve, a pressing block, a positioning block, a pressure spring and a large spring are further included, wherein sub engaging teeth are arranged on the slide strip; parent engaging teeth are arranged on one surface of the positioning block and press the spring, and the other surface of the positioning block adopts an inclined plane; the slide strip and the positioning block are mutually engaged through the sub engaging teeth and the parent engaging teeth, and are sleeved in the main housing; one surface of the pressing block adopts an inclined plane and is attached to the positioning block, an outer sleeve is nested outside the pressing block, and the other end of the pressing block is connected with the guy cable; and the large spring is mounted between the pressing block and the guy cable. The device has the advantages of reasonable structure, convenient adjustment and use, durability and reliability, and can adjust the angle of the backrest of a swivel chair, thereby suiting various different needs.
Description
Technical field
The utility model relates to a kind of locking device, particularly a kind of swivel chair chassis backrest locking device.
Background technology
It is complicated that the backrest on existing swivel chair chassis is regulated locking device structure, and it is convenient inadequately to adjust, and durable inadequately reliable.
The utility model content
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, regulate easy to use, durable reliable swivel chair chassis backrest locking device.
The purpose of this utility model can reach by following measure: a kind of swivel chair chassis backrest locking device, comprise drag-line, slider bar, it is characterized in that: also have main casing, overcoat, briquetting, locating piece, stage clip and big spring, slider bar is provided with sub-buckle teeth, the wherein one side of locating piece is provided with the box tooth, and push down stage clip, another side is the inclined-plane, slider bar and locating piece are meshing with each other by sub-buckle teeth and box tooth, and are placed in the main casing, and the wherein one side of briquetting is the inclined-plane, and fit with locating piece, be with overcoat outside it, the other end of briquetting is connected with drag-line, and big spring is loaded between briquetting and the drag-line.
The purpose of this utility model can also reach by following measure: main casing is provided with drag-line lead-in wire chamber, drag-line lead-in wire chamber is provided with two blocks, drag-line is positioned at drag-line lead-in wire chamber, its heart yearn passes two blocks and is connected with briquetting, big spring is loaded between two blocks of briquetting and drag-line, between drag-line and two blocks little spring is housed also.Half of the wherein one side of locating piece is provided with the box tooth, and with the sub-buckle teeth engagement on the slider bar, second half is the plane, pushes down stage clip.
The utility model has following advantage compared to existing technology: rational in infrastructure, regulate easy to usely, durable reliable, and can adjust the angle of swivel chair backrest step by step, be fit to various needs.
Description of drawings
Fig. 1 is a structure front view of the present utility model;
Fig. 2 is a structure vertical view of the present utility model;
Fig. 3 is a structure side view of the present utility model;
Fig. 4 is a structure cutaway view of the present utility model;
Fig. 5 is STRUCTURE DECOMPOSITION figure of the present utility model.
The specific embodiment
The utility model is done further auspicious stating below in conjunction with accompanying drawing (embodiment):
With reference to Fig. 1-Fig. 5, the utility model comprises drag-line 1, slider bar 2, main casing 3, overcoat 4, briquetting 5, locating piece 6, stage clip 7, big spring 8, little spring 9 etc.A wherein end of slider bar 2 is provided with sub-buckle teeth 2-1; Half of the wherein one side of locating piece 6 is provided with box tooth 6-1, with the sub-buckle teeth 2-1 engagement on the slider bar 2, and is placed in the main casing 3; Second half is plane 6-2, pushes down stage clip 7; Locating piece 6 another sides are the inclined-plane.The wherein one side of briquetting 5 is the inclined-plane, and fits with locating piece 6, its outer overcoat 4 that is with.Main casing 3 is provided with drag-line lead-in wire chamber 3-1, and drag-line lead-in wire chamber 3-1 is provided with two block 3-11; Drag-line 1 is positioned at drag-line lead-in wire chamber 3-1, and its heart yearn 1-1 passes two block 3-11 and is connected with briquetting 5; Big spring 8 is loaded between the two block 3-11 of briquetting 5 and drag-line 1; Between drag-line 1 and two block 3-11, little spring 9 is housed also.The other end of slider bar 2 is connected with swivel chair backrest governor motion; The other end of drag-line 1 links to each other with locking switch.
During real work, can affect drag-line 1 by locking switch, drag-line 1 drives briquetting 5 and draws back, this moment, locating piece 6 popped up under the effect of stage clip 7, sub-buckle teeth 2-1 on box tooth 6-1 on it and the slider bar 2 breaks away from, make slider bar 2 to be free to slide, thus the angle that makes swivel chair backrest governor motion can regulate the swivel chair backrest.When unclamping locking switch, drag-line 1 resets under the effect of big spring 8 and little spring 9, and briquetting 5 also resets, and the inclined-plane on the locating piece 6 is pushed down on its inclined-plane, and locating piece 6 and slider bar 2 are meshing with each other, thereby makes slider bar 2 location.
Claims (3)
1. swivel chair chassis backrest locking device, comprise drag-line (1), slider bar (2), it is characterized in that: also have main casing (3), overcoat (4), briquetting (5), locating piece (6), stage clip (7) and big spring (8), slider bar (2) is provided with sub-buckle teeth (2-1), the wherein one side of locating piece (6) is provided with box tooth (6-1), and push down stage clip (7), another side is the inclined-plane, slider bar (2) is meshing with each other by sub-buckle teeth (2-1) and box tooth (6-1) with locating piece (6), and be placed in the main casing (3), the wherein one side of briquetting (5) is the inclined-plane, and fit with locating piece (6), be with overcoat (4) outside it, the other end of briquetting (5) is connected with drag-line (1), and big spring (8) is loaded between briquetting (5) and the drag-line (1).
2. swivel chair according to claim 1 chassis backrest locking device, it is characterized in that: main casing (3) is provided with drag-line lead-in wire chamber (3-1), drag-line lead-in wire chamber (3-1) is provided with two blocks (3-11), drag-line (1) is positioned at drag-line lead-in wire chamber (3-1), its heart yearn (1-1) passes two blocks (3-11) and is connected with briquetting (5), big spring (8) is loaded between two blocks (3-11) of briquetting (5) and drag-line (1), between drag-line (1) and two blocks (3-11) little spring (9) is housed also.
3. swivel chair according to claim 1 chassis backrest locking device, it is characterized in that: half of the wherein one side of locating piece (6) is provided with box tooth (6-1), with sub-buckle teeth (2-1) engagement on the slider bar (2), second half is plane (6-2), pushes down stage clip (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200264172U CN201571737U (en) | 2010-01-08 | 2010-01-08 | Device for locking underplate and backrest of swivel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200264172U CN201571737U (en) | 2010-01-08 | 2010-01-08 | Device for locking underplate and backrest of swivel chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201571737U true CN201571737U (en) | 2010-09-08 |
Family
ID=42691618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200264172U Expired - Fee Related CN201571737U (en) | 2010-01-08 | 2010-01-08 | Device for locking underplate and backrest of swivel chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201571737U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103330406A (en) * | 2013-07-19 | 2013-10-02 | 湖州奥圣家具有限公司 | Improved structure of lateral adjusting swivel chair |
| CN103340525A (en) * | 2013-07-19 | 2013-10-09 | 浙江利帆家具有限公司 | Swivel chair with convenient adjustment |
| CN104276072A (en) * | 2014-10-20 | 2015-01-14 | 江苏友邦精工实业有限公司 | Controllable emergency bus seat |
-
2010
- 2010-01-08 CN CN2010200264172U patent/CN201571737U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103330406A (en) * | 2013-07-19 | 2013-10-02 | 湖州奥圣家具有限公司 | Improved structure of lateral adjusting swivel chair |
| CN103340525A (en) * | 2013-07-19 | 2013-10-09 | 浙江利帆家具有限公司 | Swivel chair with convenient adjustment |
| CN103330406B (en) * | 2013-07-19 | 2016-02-17 | 湖州奥圣家具有限公司 | A kind of modified node method of lateral adjustment swivel chair |
| CN103340525B (en) * | 2013-07-19 | 2016-06-08 | 浙江利帆家具有限公司 | A kind of convenient swivel chair regulated |
| CN104276072A (en) * | 2014-10-20 | 2015-01-14 | 江苏友邦精工实业有限公司 | Controllable emergency bus seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20140108 |