CN220694830U - Adjustable chair support - Google Patents
Adjustable chair support Download PDFInfo
- Publication number
- CN220694830U CN220694830U CN202322414404.2U CN202322414404U CN220694830U CN 220694830 U CN220694830 U CN 220694830U CN 202322414404 U CN202322414404 U CN 202322414404U CN 220694830 U CN220694830 U CN 220694830U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- backrest
- cushion
- fixing teeth
- adjustable chair
- 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.)
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- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 2
- 206010069689 Spinal column injury Diseases 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to the technical field of chairs, in particular to an adjustable chair bracket; the utility model comprises a backrest and a cushion, wherein the bottom of the backrest is provided with a first rotating shaft, the bottom of the cushion is provided with a second rotating shaft, the first rotating shaft and the second rotating shaft are adjacently arranged, the side surface of the first rotating shaft is provided with backrest fixing teeth, the side surface of the second rotating shaft is provided with cushion fixing teeth, and the backrest fixing teeth and the cushion fixing teeth are movably meshed together; the backrest and the cushion can rotate to adjust the included angle between the backrest and the cushion to meet different use demands of users, and can be folded and folded to reduce space occupation, reduce transportation cost and facilitate storage and placement, thus being very convenient to use.
Description
Technical Field
The utility model relates to the technical field of chairs, in particular to an adjustable chair bracket.
Background
Existing chairs, such as office chairs, include a back rest and a seat cushion, with the angle between the back rest and the seat cushion being not adjustable. If the user sits on the chair and needs to be in a state that the back and the thigh are more than 90 degrees, the user needs to sit at the front part of the cushion and lean back on the backrest, and the sitting posture is easy to cause lumbar vertebra injury. There are also merchants selling auxiliary brackets, which can be placed on chairs, but most auxiliary brackets are fixed in shape, cannot be folded and folded, occupy a large space, and have high transportation cost.
Accordingly, there is a need for an improvement over existing chairs based on the above-described drawbacks of existing chairs.
Disclosure of Invention
The utility model aims to provide an adjustable chair support aiming at the defects of the prior art, and the adjustable chair support solves the problems of the prior chair: inconvenient use and the like.
In order to achieve the above object, the present utility model is achieved by the following technical scheme.
The utility model provides an adjustable chair support, includes back, cushion, and the bottom of back has first pivot, and the bottom of cushion has the second pivot, and first pivot, second pivot are adjacent to be set up, and the side of first pivot has the fixed tooth of back, and the side of second pivot has the fixed tooth of cushion, and the fixed tooth of back, the fixed tooth activity interlock of cushion are in the same place.
Further, the first rotating shaft and the second rotating shaft are in a circular tube shape, the first rotating shaft and the second rotating shaft are provided with shaft cores in a penetrating mode, one end of each shaft core is provided with a blocking part, the blocking part is located at the outer end of the second rotating shaft, and the other end of each shaft core is pivoted with a handle through a bolt. The backrest and the cushion are connected together through the shaft core.
Further, the backrest fixing teeth are symmetrically formed along the central axis of the first rotating shaft, and the cushion fixing teeth are symmetrically formed along the central axis of the second rotating shaft. The backrest fixing teeth can be matched and fixed with the cushion fixing teeth when the backrest and the cushion are adjusted in a relative rotation mode.
Further, the side face of the first rotating shaft is provided with a bulge, the handle is provided with an outer lug, and the outer lug is movably abutted against the bulge. The tightness of the shaft core to the backrest and the cushion is increased.
Further, the inner side wall of the first rotating shaft is provided with an annular concave step, the outer side wall of the second rotating shaft is provided with an annular outer concave step, and the outer concave step is inserted into the concave step, so that the overall attractiveness is maintained.
Furthermore, the upper part of the backrest is provided with a through hole to form a handle, so that the backrest is convenient to move and rotate.
Furthermore, the surface of the backrest and the surface of the cushion are stuck with sponge, so that the comfort of use can be improved.
The utility model has the beneficial effects that: the backrest and the cushion can rotate to adjust the included angle between the backrest and the cushion, so as to meet different use demands of users, and the backrest and the cushion can be folded and folded to reduce space occupation, reduce transportation cost and store and place more easily, and are very convenient to use.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic view of the backrest structure of the present utility model.
Fig. 3 is a schematic view of another angle structure of the backrest of the present utility model.
Fig. 4 is a schematic view of the combination of the seat cushion and the spindle of the present utility model.
FIG. 5 is a schematic view of the combination of the hub and handle of the present utility model.
Reference numerals and description:
the seat comprises a backrest 1, a seat cushion 2, a first rotating shaft 3, a second rotating shaft 4, a shaft core 5, a handle 6, a bolt 7, an outer lug 8, a bulge 9, a blocking part 10, an inner concave step 11, backrest fixing teeth 12, an outer concave step 13, seat cushion fixing teeth 14, a sponge 15 and a handle 16.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-5, an adjustable chair support of the present utility model comprises: the backrest 1 and the cushion 2 are made of plastic materials, and the surfaces of the backrest 1 and the cushion 2 are adhered with the sponge 15, so that a user can sit more comfortably. The bottom of the backrest 1 is provided with a first rotating shaft 3, the bottom of the cushion 2 is provided with a second rotating shaft 4, the first rotating shaft 3 and the second rotating shaft 4 are adjacently arranged, the side face of the first rotating shaft 3 is provided with backrest fixing teeth 12, the side face of the second rotating shaft 4 is provided with cushion fixing teeth 14, and the backrest fixing teeth 12 and the cushion fixing teeth 14 are movably meshed together.
The upper part of the backrest 1 is provided with a through hole to form a handle 16, and the backrest 1 can be moved and rotated by the handle 16.
The first rotating shaft 3 and the second rotating shaft 4 are in a circular tube shape, the shaft core 5 penetrates through the first rotating shaft 3 and the second rotating shaft 4, one end of the shaft core 5 is provided with the blocking part 10, the blocking part 10 is positioned at the outer end of the second rotating shaft 4, and the other end of the shaft core 5 is pivoted with the handle 6 through the bolt 7. The backrest fixing teeth 12 are symmetrically formed along the central axis of the first rotating shaft 3, and the cushion fixing teeth 14 are symmetrically formed along the central axis of the second rotating shaft 4.
One of the first rotating shafts 3 has a protrusion 9 on its side, the handle 6 has an outer protrusion 8, and the outer protrusion 8 is movably abutted against the protrusion 9. The handle 6 is rotated to separate the outer protrusion 8 from the protrusion 9, so that the backrest 1 and the seat cushion 2 can relatively rotate, and a user can adjust the angle between the backrest 1 and the seat cushion 2. After the angle between the backrest 1 and the cushion 2 is adjusted, the handle 6 is rotated again, the blocking part 10 is propped against the outer end of the second rotating shaft 4, and the first rotating shaft 3 and the second rotating shaft 4 are tensioned and fixed through the propping action of the outer protruding block 8 and the protrusion 9, so that the backrest 1 and the cushion 2 are fixed.
The shaft core 5 and the handle 6 are made of plastic materials.
The inner side wall of the first rotating shaft 3 is provided with an annular concave step 11, the outer side wall of the second rotating shaft 4 is provided with an annular outer concave step 13, and the outer concave step 13 is inserted into the concave step 11.
The utility model has the advantages that: can be applied to various use environments, such as office chairs, tea chairs, child seats, beds, floors and the like; the sitting posture correction device has the advantages of sitting posture correction, fatigue relief, good comfort and the like when in use; the angle can be adjusted, the fixed teeth on the shaft are used for being fixed in a cross-meshed mode, the angle of the chair can be fixed and adjusted, the adjusting range is 0-150 degrees, after the angle is adjusted and fixed, the backrest has no supporting auxiliary structure, multi-angle adjustment is truly realized, the storage space is reduced, and the transportation cost is reduced.
It is understood that the above-described embodiments are merely preferred examples of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications of the structure, features and principles described in the claims are intended to be included in the scope of the present utility model.
Claims (7)
1. An adjustable chair support, characterized in that: the seat cushion comprises a backrest and a seat cushion, wherein a first rotating shaft is arranged at the bottom of the backrest, a second rotating shaft is arranged at the bottom of the seat cushion, the first rotating shaft and the second rotating shaft are adjacently arranged, backrest fixing teeth are arranged on the side face of the first rotating shaft, seat cushion fixing teeth are arranged on the side face of the second rotating shaft, and the backrest fixing teeth and the seat cushion fixing teeth are movably meshed together.
2. An adjustable chair support according to claim 1, wherein: the first rotating shaft and the second rotating shaft are in a circular tube shape, the first rotating shaft and the second rotating shaft are provided with shaft cores in a penetrating mode, one end of each shaft core is provided with a blocking part, the blocking part is located at the outer end of the second rotating shaft, and the other end of each shaft core is pivoted with a handle through a bolt.
3. An adjustable chair support according to claim 1, wherein: the backrest fixing teeth are symmetrically formed along the central axis of the first rotating shaft, and the cushion fixing teeth are symmetrically formed along the central axis of the second rotating shaft.
4. An adjustable chair support according to claim 2, wherein: the side of the first rotating shaft is provided with a bulge, the handle is provided with an outer lug, and the outer lug is movably abutted against the bulge.
5. An adjustable chair support according to any one of claims 1 to 4, wherein: the inner side wall of the first rotating shaft is provided with an annular concave step, the outer side wall of the second rotating shaft is provided with an annular outer concave step, and the outer concave step is inserted into the concave step.
6. An adjustable chair support according to claim 1, wherein: the upper part of the backrest is provided with a through hole to form a handle.
7. An adjustable chair support according to claim 1, wherein: the surfaces of the backrest and the cushion are adhered with sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322414404.2U CN220694830U (en) | 2023-09-05 | 2023-09-05 | Adjustable chair support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322414404.2U CN220694830U (en) | 2023-09-05 | 2023-09-05 | Adjustable chair support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220694830U true CN220694830U (en) | 2024-04-02 |
Family
ID=90450460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322414404.2U Active CN220694830U (en) | 2023-09-05 | 2023-09-05 | Adjustable chair support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220694830U (en) |
-
2023
- 2023-09-05 CN CN202322414404.2U patent/CN220694830U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |