CN210158345U - Chair back and armrest lifting connection structure of chair - Google Patents
Chair back and armrest lifting connection structure of chair Download PDFInfo
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- CN210158345U CN210158345U CN201920721378.9U CN201920721378U CN210158345U CN 210158345 U CN210158345 U CN 210158345U CN 201920721378 U CN201920721378 U CN 201920721378U CN 210158345 U CN210158345 U CN 210158345U
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- chair back
- handrail
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Abstract
The utility model discloses a back of the chair, handrail lift connection structure of seat, handrail lift connection structure, including seat support, the back of the chair, back of the chair elevating system, handrail elevating system and back of the chair support, its characterized in that: the chair back support is mounted on the back of the chair seat, two sides of the chair back support are connected with the chair back through chair back lifting mechanisms, and two ends of the chair back support are connected with a handrail through handrail lifting mechanisms; the chair back lifting mechanism comprises a sliding block, a sliding groove, a self-locking structure, chair back lifting groove concave teeth and chair back lifting convex teeth, the sliding groove is formed in one side of the chair back, the chair back lifting convex teeth are arranged on one side of the sliding groove, the sliding block is connected with the chair back lifting groove concave teeth through the self-locking structure, and the sliding block is connected with the sliding groove in a sliding mode; the utility model provides a chair with the function of adjusting according to the requirements of different users.
Description
Technical Field
The utility model relates to a back of the chair, handrail lift connected mode technical field of seat specifically are back of the chair, handrail lift connection structure of seat.
Background
In the design of the seat, the arrangement of the height of the chair back, the height of the waist and the height of the armrests need to follow the ergonomic standard. This standard is suitable for the vast majority of users. However, some users are still interested in finding a seat suitable for their own body, so there is a strong need for a seat capable of flexibly adjusting the height of each component. The general seat design can take account of the lifting design of the seat surface height and the armrest height, and the lifting headrest is designed in a small part, but most of seats are not designed with the back lifting design. Therefore, after researching and knowing the requirements of users, the chair back and the armrest lifting connecting structure of the chair with the armrest and the chair back lifting function are designed.
SUMMERY OF THE UTILITY MODEL
The present invention provides a chair back and armrest lifting connection structure for a chair, which enables the chair to be adjusted according to different user requirements.
The purpose of the utility model can be realized by the following technical scheme: a chair back and armrest lifting connection structure of a chair comprises a chair seat, a chair back lifting mechanism, armrests, an armrest lifting mechanism and a chair back support, wherein the chair back support is mounted on the back of the chair seat, two sides of the chair back support are connected with the chair back through the chair back lifting mechanism, and two ends of the chair back support are connected with one armrest through the armrest lifting mechanism;
the chair back lifting mechanism comprises a sliding block, a sliding groove, a self-locking structure, chair back lifting groove concave teeth and chair back lifting convex teeth, the sliding groove is formed in one side of the chair back, the chair back lifting convex teeth are arranged on one side of the sliding groove, the chair back lifting groove concave teeth are connected to the sliding block through the self-locking structure, the sliding block is connected with the sliding groove in a sliding mode, the chair back lifting groove concave teeth are connected with the chair back lifting convex teeth in a meshing mode, and the sliding block is connected with the convex points on the chair back support in a matched and;
handrail elevating system includes inserted bar, slot, auto-lock structure, handrail lift dogtooth and handrail lift concave tooth's fixed plate, the slot has all been seted up to back of the chair support top one end, the inserted bar is installed to handrail bottom one end, the inserted bar is inside to have handrail lift dogtooth through auto-lock structure installation, just inserted bar one side sets up the fixed plate that has handrail lift concave tooth, handrail lift dogtooth is connected with handrail lift concave tooth meshing on the fixed plate of handrail lift concave tooth, the inserted bar is pegged graft with the slot cooperation.
The self-locking structure is the prior art.
As a further aspect of the present invention: the bottom of the chair seat is provided with a lifting type roller wheel bracket.
The utility model has the advantages that: when the height of the chair back is adjusted upwards, under the action of the self-locking structure of the chair back lifting mechanism, the chair back lifting convex teeth in the chair back lifting mechanism are meshed with the chair back lifting groove concave teeth to complete the adjustment of the height of the chair back, wherein when the self-locking structure of the chair back lifting mechanism is in a working state, the chair back can be adjusted upwards and cannot be adjusted downwards, wherein when the self-locking structure of the chair back lifting mechanism is in an unlocked state, the chair back can be adjusted downwards but cannot be fixed in a gear position, the chair back is required to be firstly lowered to the lowest stroke to enable the self-locking structure of the chair back lifting mechanism to be in the working state again, the chair back can be readjusted to a proper height at the moment, and the implementation mode of the armrest lifting mechanism is the same as that of the chair back lifting mechanism, the chair can be adjusted according to different user requirements.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the whole structure of the present invention.
Fig. 3 is a schematic structural view of the handrail lifting mechanism of the present invention.
In the figure: 10. a chair back; 11. a chair back lifting mechanism; 101. the chair back lifting groove concave teeth; 111. a chair back lifting convex tooth; 20. a handrail; 21. a handrail lifting mechanism; 211. handrail lifting convex teeth; 212. a fixed plate of the handrail lifting concave teeth; 30. a chair back bracket.
Detailed Description
As shown in fig. 1-3, a chair back and armrest lifting connection structure of a chair comprises a chair seat, a chair back 10, a chair back lifting mechanism 11, an armrest 20, an armrest lifting mechanism 21 and a chair back support 30, wherein the chair back support 30 is installed on the back of the chair seat, two sides of the chair back support 30 are connected with the chair back 10 through the chair back lifting mechanism 11, and two ends of the chair back support 30 are connected with one armrest 20 through the armrest lifting mechanism 21;
the chair back lifting mechanism 11 comprises a sliding block, a sliding groove, a self-locking structure, chair back lifting groove concave teeth 101 and chair back lifting convex teeth 111, the sliding groove is formed in one side of the chair back 10, the chair back lifting convex teeth 111 are arranged on one side of the sliding groove, the chair back lifting groove concave teeth 101 are connected to the sliding block through the self-locking structure, the sliding block is connected with the sliding groove in a sliding mode, the chair back lifting groove concave teeth 101 are connected with the chair back lifting convex teeth 111 in a meshing mode, and the sliding block is connected with the convex points on the chair;
the armrest lifting mechanism 21 comprises an insert rod, slots, a self-locking structure, armrest lifting convex teeth 211 and an armrest lifting concave tooth fixing plate 212, the slots are formed in one end of the top of the chair back support 30, the insert rod is mounted at one end of the bottom of the armrest 20, the armrest lifting convex teeth 211 are mounted in the insert rod through the self-locking structure, the armrest lifting concave tooth fixing plate 212 with the armrest lifting concave teeth is arranged on one side of the insert rod, the armrest lifting convex teeth 211 are meshed and connected with the armrest lifting concave teeth on the armrest lifting concave tooth fixing plate 212, and the insert rod is in matched insertion connection with the slots;
wherein, the bottom of the chair seat is provided with a lifting roller bracket.
The utility model discloses a theory of operation: when the height of the chair back 10 is adjusted upwards, under the action of the self-locking structure of the chair back lifting mechanism 11, the chair back lifting convex teeth 111 in the chair back lifting mechanism 11 are engaged with the chair back lifting groove concave teeth 101 to complete the adjustment of the height of the chair back 10, wherein when the self-locking structure of the chair back lifting mechanism 11 is in a working state, the chair back 10 can be adjusted upwards and cannot be adjusted downwards, wherein when the self-locking structure of the chair back lifting mechanism 11 is in an unlocked state, the chair back 10 can be adjusted downwards but cannot be shifted fixedly, the self-locking structure of the chair back lifting mechanism 11 is in a working state when the chair back 10 is required to be lowered to the lowest stroke first, wherein when the height of the chair back 10 is too high, the chair back 10 is required to be moved upwards to complete the stroke to unlock the self-locking structure of the chair back lifting mechanism 11, then the chair back 10 is adjusted to the lowest position to enable the self-locking structure, the armrest lifting mechanism 21 is similar to the backrest lifting mechanism 11, so that the seat can be adjusted according to different user requirements.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (2)
1. The utility model provides a back of chair, handrail lift connection structure of seat, includes seat support, back of the chair (10), back of the chair elevating system (11), handrail (20), handrail elevating system (21) and back of the chair support (30), its characterized in that: a chair back support (30) is mounted on the back of the chair seat, two sides of the chair back support (30) are connected with a chair back (10) through chair back lifting mechanisms (11), and two ends of the chair back support (30) are connected with a handrail (20) through handrail lifting mechanisms (21);
the chair back lifting mechanism (11) comprises a sliding block, a sliding groove, a self-locking structure, chair back lifting groove concave teeth (101) and chair back lifting convex teeth (111), the sliding groove is formed in one side of the chair back (10), the chair back lifting convex teeth (111) are arranged on one side of the sliding groove, the sliding block is connected with the chair back lifting groove concave teeth (101) through the self-locking structure, the sliding block is connected with the sliding groove in a sliding mode, the chair back lifting groove concave teeth (101) are meshed and connected with the chair back lifting convex teeth (111), and the sliding block is matched and clamped with convex points on the chair back support (30) through a groove;
handrail elevating system (21) are including inserted bar, slot, auto-lock structure, handrail lift dogtooth (211) and handrail lift fixed plate (212) of dogtooth, the slot has all been seted up to back of the chair support (30) top one end, the inserted bar is installed to handrail (20) bottom one end, the inside handrail lift dogtooth (211) of installing through auto-lock structure of inserted bar, just inserted bar one side sets up fixed plate (212) that have the handrail lift dogtooth, handrail lift dogtooth (211) are connected with handrail lift dogtooth meshing on fixed plate (212) of handrail lift dogtooth, the inserted bar is pegged graft with the slot cooperation.
2. The chair back and armrest lifting connection structure as claimed in claim 1, wherein the bottom of the chair seat is mounted with a lifting roller support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721378.9U CN210158345U (en) | 2019-05-20 | 2019-05-20 | Chair back and armrest lifting connection structure of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721378.9U CN210158345U (en) | 2019-05-20 | 2019-05-20 | Chair back and armrest lifting connection structure of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210158345U true CN210158345U (en) | 2020-03-20 |
Family
ID=69792035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920721378.9U Active CN210158345U (en) | 2019-05-20 | 2019-05-20 | Chair back and armrest lifting connection structure of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210158345U (en) |
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2019
- 2019-05-20 CN CN201920721378.9U patent/CN210158345U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220608 Address after: 513400 No. 67, Jiangxi Chong Village, Xinli village committee, Fengyang Town, Lianzhou City, Qingyuan City, Guangdong Province Patentee after: Chen Feng Address before: 510000 room 1507, 13 Cui Hu Street, Tianhe District, Guangzhou, Guangdong. Patentee before: Ao Lian |