CN204889277U - Back of chair altitude mixture control structure of office chair - Google Patents
Back of chair altitude mixture control structure of office chair Download PDFInfo
- Publication number
- CN204889277U CN204889277U CN201520420793.2U CN201520420793U CN204889277U CN 204889277 U CN204889277 U CN 204889277U CN 201520420793 U CN201520420793 U CN 201520420793U CN 204889277 U CN204889277 U CN 204889277U
- Authority
- CN
- China
- Prior art keywords
- slide plate
- positive stop
- knob
- stop hook
- pallet
- 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
Links
Abstract
The utility model provides a back of chair altitude mixture control structure of office chair, slide can follow the tray and slide and fix a position, are equipped with locking device between slide and the tray, and locking device connects a trigger device, locking device relieves the location of slide on the tray under trigger device's promotion, locking device including fix on the tray gear plate with set up the locking portion of ski, gear plate's middle fretwork forms the opening that can hold from below male locking portion, both sides interval that opening and slide rail paralleled is a plurality of gear draw -in grooves of sunken formation inwards, limiting hook parallel arrangement is in the both sides of knob, and the hook portion of limiting hook front end matches with the gear draw -in groove, and the terminal of limiting hook is connected with the knob, and limiting hook's end is opened has the spout that parallels with the slide rail, is equipped with the traveller on the knob, and traveller slidable cover is established in the spout, and the rotation of knob drives a pair of limiting hook move, be equipped with reset spring between the hook portion internal face of limiting hook front end and the stopper.
Description
Technical field
The utility model relates to a kind of back height adjustment structure of office chair.
Background technology
Nowadays the seat of prior art adopts cushion mostly, the chair back is directly connected with pallet, the reclining function that pallet function is single, does not possess and sits dark adjustment and function that holder waist height regulates.Even if having regulatory function, its height adjustment mechanism is complicated, regulates underaction, easy.Can not meet the needs of consumer to size like this, that is one can only adapt to a kind of size office chair, so not only causes the waste of resource, also adds consumption pressure to family,
Summary of the invention
In order to the shortcoming that the back height overcoming existing office chair cannot regulate, the utility model is provided for the back height adjustment structure of office chair.
The technical solution adopted in the utility model is:
A kind of back height adjustment structure of office chair, comprising the pallet for installing seat and the slide plate for installing the chair back, it is characterized in that: described slide plate can be located along described tray both slid, and the both sides of described pallet are provided with slide rail, the both sides of described slide plate are provided with the draw runner that can slide along described slide rail
Locking device for being positioned at by described slide plate on described pallet is housed between described slide plate and described pallet, and described locking device connects a flip flop equipment; Described locking device under the promotion of flip flop equipment, the location of the slide plate described in releasing on described pallet;
Described locking device comprises the gear plate be fixed on described pallet and the tight lock part be arranged on described slide plate, the middle hollow out of described gear plate forms the opening that can hold the tight lock part inserted from below, and the interval, both sides that described opening and described slide rail parallel caves inward and forms multiple gear draw-in groove;
Described tight lock part comprises a pair positive stop hook, described flip flop equipment comprises the rotating knob be arranged on described slide plate, described positive stop hook is set in parallel in the both sides of described knob, the hook portion of described positive stop hook front end matches with described gear draw-in groove, the end of described positive stop hook is connected with described knob, the end of described positive stop hook has the chute paralleled with described slide rail, described knob is provided with traveller, described traveller is slidably set in described chute, and the rotation of described knob drives positive stop hook move toward one another described in a pair;
The front end of described positive stop hook is erected on limited block, and the interlude of described limited block is recessed to form the movable passageway of described positive stop hook downwards, is provided with back-moving spring between the hook portion internal face of described positive stop hook front end and described limited block.
Further, the back side of described slide plate is provided with the steel pipe for installing the described chair back.
Further, described knob comprises the coaxial two panels laying respectively at described slide plate upper and lower surface arranged.
Further, pallet cover is also provided with on described gear plate.
The beneficial effects of the utility model are embodied in: the gear that the utility model can realize office chair back height regulates, simple to operate, are easy to install.
Accompanying drawing explanation
Fig. 1 is structural blast figure of the present utility model.
Fig. 2 is the structural representation of the utility model locking device.
Fig. 3 is the structure enlarged diagram of the utility model locking device.
Fig. 4 is that the structure version of the utility model locking device cuts open figure.
Fig. 5 be in Fig. 4 A-A to structure sectional view.
Detailed description of the invention
With reference to accompanying drawing, a kind of back height adjustment structure of office chair, comprise the pallet 1 for installing seat and the slide plate 2 for installing the chair back, described slide plate 2 can slide along described pallet 1 and locate, the both sides of described pallet 1 are provided with slide rail 11, the both sides of described slide plate 2 are provided with the draw runner 21 that can slide along described slide rail 2
Locking device for being positioned at by described slide plate 2 on described pallet 1 is housed between described slide plate 2 and described pallet 1, and described locking device connects a flip flop equipment; Described locking device under the promotion of flip flop equipment, the location of the slide plate 2 described in releasing on described pallet 1;
Described locking device comprises the gear plate 33 be fixed on described pallet 1 and the tight lock part be arranged on described slide plate 2, the middle hollow out of described gear plate 33 forms the opening that can hold the tight lock part inserted from below, and the interval, both sides that described opening and described slide rail 11 parallel caves inward and forms multiple gear draw-in groove 331;
Described tight lock part comprises a pair positive stop hook 31, described flip flop equipment comprises the rotating knob 4 be arranged on described slide plate, described positive stop hook 31 is set in parallel in the both sides of described knob 4, the hook portion of described positive stop hook 31 front end matches with described gear draw-in groove 331, the end of described positive stop hook 31 is connected with described knob 4, the end of described positive stop hook 31 has the chute 311 paralleled with described slide rail 11, described knob 4 is provided with traveller 41, described traveller 41 is slidably set in described chute 311, the rotation of described knob 4 drives positive stop hook 31 move toward one another described in a pair,
The front end of described positive stop hook 31 is erected on limited block 32, and the interlude of described limited block 32 is recessed to form the movable passageway of described positive stop hook 31 downwards, is provided with back-moving spring 34 between the hook portion internal face of described positive stop hook 31 front end and described limited block 32.
The back side of described slide plate 2 is provided with the steel pipe 22 for installing the described chair back.
Described knob 4 comprises the coaxial two panels laying respectively at described slide plate 2 upper and lower surface arranged.
Pallet cover 5 is also provided with on described gear plate.
Gear plate 33 is fixed on the lower surface of pallet 1, it is slide plate 2 below gear plate 33, slide plate 2 can slide along described pallet 1, when the hook portion of described positive stop hook 31 is inserted in gear draw-in groove 331,2, described slide plate can not slide along described pallet 1 again, now slide plate 2 is positioned on this gear, and the back height of office chair obtains fixing.When needs adjusting back height, turn knobs 4, knob 4 drives positive stop hook 31 move toward one another described in a pair, the hook portion of described positive stop hook 31 linearly departs from described gear draw-in groove 331 under the effect of limited block 32, now slide plate 2 can slide along described pallet 1 again, when sliding into suitable height, unclamp knob 4, positive stop hook 31 moves dorsad under the effect of back-moving spring 34, and reinsert the gear draw-in groove 331 of another grade, now slide plate 2 can not slide again and be repositioned on another shelves, and the back height of office chair obtains adjustment.
Content described in this description embodiment is only exemplifying the way of realization that utility model is conceived; protection domain of the present utility model should not be regarded as being only limitted to the concrete form of embodiment statement, and protection domain of the present utility model also and conceive the equivalent technologies means that can expect according to the utility model in those skilled in the art.
Claims (4)
1. the back height adjustment structure of an office chair, comprise the pallet for installing seat and the slide plate for installing the chair back, it is characterized in that: described slide plate can be located along described tray both slid, the both sides of described pallet are provided with slide rail, and the both sides of described slide plate are provided with the draw runner that can slide along described slide rail;
Locking device for being positioned at by described slide plate on described pallet is housed between described slide plate and described pallet, and described locking device connects a flip flop equipment; Described locking device under the promotion of flip flop equipment, the location of the slide plate described in releasing on described pallet;
Described locking device comprises the gear plate be fixed on described pallet and the tight lock part be arranged on described slide plate, the middle hollow out of described gear plate forms the opening that can hold the tight lock part inserted from below, and the interval, both sides that described opening and described slide rail parallel caves inward and forms multiple gear draw-in groove;
Described tight lock part comprises a pair positive stop hook, described flip flop equipment comprises the rotating knob be arranged on described slide plate, described positive stop hook is set in parallel in the both sides of described knob, the hook portion of described positive stop hook front end matches with described gear draw-in groove, the end of described positive stop hook is connected with described knob, the end of described positive stop hook has the chute paralleled with described slide rail, described knob is provided with traveller, described traveller is slidably set in described chute, and the rotation of described knob drives positive stop hook move toward one another described in a pair;
The front end of described positive stop hook is erected on limited block, and the interlude of described limited block is recessed to form the movable passageway of described positive stop hook downwards, is provided with back-moving spring between the hook portion internal face of described positive stop hook front end and described limited block.
2. the back height adjustment structure of a kind of office chair as claimed in claim 1, is characterized in that: the back side of described slide plate is provided with the steel pipe for installing the described chair back.
3. the back height adjustment structure of a kind of office chair as claimed in claim 2, is characterized in that: described knob comprises the coaxial two panels laying respectively at described slide plate upper and lower surface arranged.
4. the back height adjustment structure of a kind of office chair as claimed in claim 3, is characterized in that: be also provided with pallet cover on described gear plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520420793.2U CN204889277U (en) | 2015-06-17 | 2015-06-17 | Back of chair altitude mixture control structure of office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520420793.2U CN204889277U (en) | 2015-06-17 | 2015-06-17 | Back of chair altitude mixture control structure of office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204889277U true CN204889277U (en) | 2015-12-23 |
Family
ID=54911507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520420793.2U Expired - Fee Related CN204889277U (en) | 2015-06-17 | 2015-06-17 | Back of chair altitude mixture control structure of office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204889277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117342155A (en) * | 2023-11-30 | 2024-01-05 | 上海密尔克卫化工物流有限公司 | Intelligent dangerous goods transportation and transportation frame |
-
2015
- 2015-06-17 CN CN201520420793.2U patent/CN204889277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117342155A (en) * | 2023-11-30 | 2024-01-05 | 上海密尔克卫化工物流有限公司 | Intelligent dangerous goods transportation and transportation frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |