CN205053413U - Chair back structure - Google Patents
Chair back structure Download PDFInfo
- Publication number
- CN205053413U CN205053413U CN201520777038.XU CN201520777038U CN205053413U CN 205053413 U CN205053413 U CN 205053413U CN 201520777038 U CN201520777038 U CN 201520777038U CN 205053413 U CN205053413 U CN 205053413U
- Authority
- CN
- China
- Prior art keywords
- supporting shoe
- block
- small
- back portion
- shoulder support
- 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
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model provides a chair back structure. The utility model provides a simple structure, the convenient chair back structure who changes, assembles. Including shoulder supporting shoe, left back portion supporting shoe and right back portion supporting shoe, left side back portion's supporting shoe and right back portion supporting shoe symmetric connection respectively are in on the shoulder supporting shoe, the shoulder supporting shoe passes through the connecting rod and is connected with the seat support. The utility model discloses at work, shoulder supporting shoe, left back portion supporting shoe and the right supporting shoe three split type connected of back portion, convenient equipment, dismantlement, the shoulder supporting shoe passes through connecting block swing joint on the seat support, and left back portion supporting shoe and right back portion supporting shoe are established in the jack through the connecting block respectively, the convenient connection, simultaneously, be equipped with corresponding screw hole on connecting rod and the connecting block respectively, be equipped with the thread head on the shoulder supporting shoe and connect, connect reliably. The utility model discloses convenient processing, the equipment of being convenient for.
Description
Technical field
The utility model relates to seat, particularly relates to the improvement to back structure.
Background technology
In prior art, seat includes seat support and the chair back and forms, and when seat support is used for providing user to take, buttocks supports, the chair back be used for providing user back against.But, when people takes, chair back meeting bending; Meanwhile, the chair back is one-body molded, when adapting to different users, is not easy to change.
Utility model content
The utility model, for above problem, provides a kind of structure simple, the back structure be convenient for changing, assembled.
The technical solution of the utility model is: comprise shoulder support block, left the small of the back back-up block and right the small of the back back-up block, described left the small of the back back-up block and right the small of the back back-up block respectively symmetry are connected on described shoulder support block, and described shoulder support block is connected with seat support by connecting rod.
The bottom surface of described shoulder support block is provided with the accommodating hole for placing connecting rod, the both sides of described shoulder support block are respectively equipped with jack, described jack is communicated with described accommodating hole, described left the small of the back back-up block and right the small of the back back-up block are respectively equipped with contiguous block, and described contiguous block is located in described jack adaptedly.
Described connecting rod and contiguous block are respectively equipped with corresponding screwed hole, and the front end of described shoulder support block is provided with movable thread head, and described thread head connects described screwed hole.
The uniform setting of screwed hole on described connecting rod.
The utility model at work, shoulder support block, left the small of the back back-up block and the split type connection of right the small of the back back-up block three, ease of assembly, dismounting; Shoulder support block is movably connected on seat support by contiguous block, and left the small of the back back-up block and right the small of the back back-up block are located in jack respectively by contiguous block, convenient connection; Meanwhile, connecting rod and contiguous block are respectively equipped with corresponding screwed hole, shoulder support block is provided with thread head and connects, and connects reliable.The convenient processing of the utility model, is convenient to assembling.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1 is shoulder support block, and 2 is left the small of the back back-up blocks, and 3 is right the small of the back back-up blocks, and 4 is seat supports, and 5 is connecting rods, and 6 is accommodating holes, and 7 is jacks, and 8 is contiguous blocks, and 9 is screwed holes, and 10 is thread heads.
Detailed description of the invention
The utility model as shown in Figure 1, comprise shoulder support block 1, left the small of the back back-up block 2 and right the small of the back back-up block 3, described left the small of the back back-up block 2 and right the small of the back back-up block 3 respectively symmetry are connected on described shoulder support block 1, and described shoulder support block 1 is connected with seat support 4 by connecting rod 5; In work, shoulder support block 1, left the small of the back back-up block 2 and right the small of the back back-up block 3 three split type connection, ease of assembly and replacing.
The bottom surface of described shoulder support block 1 is provided with the accommodating hole for placing connecting rod 5, the both sides of described shoulder support block 1 are respectively equipped with jack 7, described jack 7 is communicated with described accommodating hole 6, described left the small of the back back-up block 2 and right the small of the back back-up block 3 are respectively equipped with contiguous block 8, described contiguous block 8 is located in described jack 7 adaptedly, convenient connection.
Described connecting rod 5 and contiguous block 8 are respectively equipped with corresponding screwed hole 9, and the front end of described shoulder support block 1 is provided with movable thread head 10, and described thread head 10 connects described screwed hole 9; Be convenient to by thread head, shoulder support block 1, left the small of the back back-up block 2 are connected reliably with right the small of the back back-up block 3.
The uniform setting of screwed hole on described connecting rod 5; Be convenient to the screwed hole connecting diverse location, the height of adjustment shoulder support block, adapts to different users.
Claims (4)
1. a back structure, it is characterized in that, comprise shoulder support block, left the small of the back back-up block and right the small of the back back-up block, described left the small of the back back-up block and right the small of the back back-up block respectively symmetry are connected on described shoulder support block, and described shoulder support block is connected with seat support by connecting rod.
2. a kind of back structure according to claim 1, it is characterized in that, the bottom surface of described shoulder support block is provided with the accommodating hole for placing connecting rod, the both sides of described shoulder support block are respectively equipped with jack, described jack is communicated with described accommodating hole, described left the small of the back back-up block and right the small of the back back-up block are respectively equipped with contiguous block, and described contiguous block is located in described jack adaptedly.
3. a kind of back structure according to claim 2, is characterized in that, described connecting rod and contiguous block are respectively equipped with corresponding screwed hole, and the front end of described shoulder support block is provided with movable thread head, and described thread head connects described screwed hole.
4. a kind of back structure according to claim 3, is characterized in that, the uniform setting of the screwed hole on described connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777038.XU CN205053413U (en) | 2015-10-09 | 2015-10-09 | Chair back structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777038.XU CN205053413U (en) | 2015-10-09 | 2015-10-09 | Chair back structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205053413U true CN205053413U (en) | 2016-03-02 |
Family
ID=55380040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777038.XU Expired - Fee Related CN205053413U (en) | 2015-10-09 | 2015-10-09 | Chair back structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205053413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613255A (en) * | 2019-11-08 | 2019-12-27 | 浙江昊国家具有限公司 | Comfortable seat with liftable and combinable backrest |
-
2015
- 2015-10-09 CN CN201520777038.XU patent/CN205053413U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613255A (en) * | 2019-11-08 | 2019-12-27 | 浙江昊国家具有限公司 | Comfortable seat with liftable and combinable backrest |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20171009 |