CN220256074U - Tray for lifting and rotating chair back and chair with lifting and rotating chair back - Google Patents
Tray for lifting and rotating chair back and chair with lifting and rotating chair back Download PDFInfo
- Publication number
- CN220256074U CN220256074U CN202322225253.6U CN202322225253U CN220256074U CN 220256074 U CN220256074 U CN 220256074U CN 202322225253 U CN202322225253 U CN 202322225253U CN 220256074 U CN220256074 U CN 220256074U
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- China
- Prior art keywords
- chair
- tray
- lifting
- connecting piece
- handle
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- 239000002184 metal Substances 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Abstract
The utility model provides a tray for lifting and rotating a chair back and a chair with the same, comprising a tray body, a connecting piece, a bracket and a first handle, wherein the bracket is arranged on the tray body through the connecting piece; the connecting piece is internally provided with a sawtooth track, and the bracket can move along the track direction of the sawtooth track and is in clamping fit with the sawtooth of the sawtooth track; the first handle is installed on the tray body, is connected with the gasket layer between tray body and the connecting piece, and first handle is connected with the gasket layer transmission, and the connecting piece can normal running fit through the gasket layer with the tray body. According to the utility model, the bracket moves in the sawtooth track and can be fixed by stirring the metal sheet, so that the height of the chair back is adjusted; the first handle is shifted to loosen or compress the gasket layer, so that the connecting piece can rotate, and the front and back angles of the chair back are adjusted; simple structure, installation, dismantlement, maintenance, convenient operation helps promoting user's sense of use.
Description
Technical Field
The utility model relates to the technical field of furniture, in particular to a tray for lifting and rotating a chair back and a chair with the lifting and rotating chair back.
Background
The design of the electronic competition chair accords with human engineering, is convenient for the operation and experience of users, and can ensure the comfort level of the users due to the high investment of the energy of partial games and the long-time sitting posture keeping of the users. The electronic competition chair has very powerful functions, is not limited to game chairs, and is widely popularized to the places of work, study and production of people at present. The electronic competition chair has very high human engineering in design and has great benefits on human health.
The chair back in the prior art is generally adjusted in height with the seat cushion, and cannot be independently adjusted and rotated.
Therefore, the inventor considers that a tray for lifting and rotating a chair back needs to be provided, and the tray is applied to an electronic competition chair, so that the chair back can independently realize height adjustment and rotation, and more customer demands are met.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a tray for lifting and rotating a chair back and a chair with the lifting and rotating chair back.
According to the present utility model there is provided a tray for lifting and rotating a chair back, comprising: the tray comprises a tray body, a connecting piece, a bracket and a first handle, wherein the bracket is arranged on the tray body through the connecting piece; the connecting piece is internally provided with a sawtooth track, and the bracket can move along the track direction of the sawtooth track and is in clamping fit with the sawtooth of the sawtooth track; the tray comprises a tray body, a first handle, a connecting piece and a gasket layer, wherein the first handle is arranged on the tray body, the gasket layer is connected between the tray body and the connecting piece, the first handle is in transmission connection with the gasket layer, and the connecting piece and the tray body can be in running fit through the gasket layer.
Preferably, a metal sheet is arranged in the bracket, and the metal sheet is movably mounted on the bracket through a metal elastic sheet.
Preferably, the metal sheet passes through the bracket and extends to the outer side, and the metal sheet can be shifted left and right.
Preferably, the metal sheet and the saw-tooth track are correspondingly arranged, the metal sheet is matched with the saw teeth of the saw-tooth track in a clamping manner, a moving space is formed on the saw-tooth side of the saw-tooth track, and the metal sheet can move in the moving space.
Preferably, two groups of mounting holes are formed in one side, close to the tray body, of the connecting piece, one group of mounting holes are connected with the tray body through a connecting shaft, springs are mounted on the mounting holes, and the connecting piece can rotate around the connecting shaft.
Preferably, a fixed shaft is mounted on the other set of mounting holes, the fixed shaft passes through one end of the gasket layer, and the gasket layer can rotate around the fixed shaft.
Preferably, the other end of the gasket layer is provided with a long through hole, and the transmission shaft of the first handle passes through the long through hole and can move in the long through hole.
Preferably, the gasket layer comprises a plurality of layers of metal gaskets, gaps are formed among the layers of metal gaskets, and the first handle can press the gasket layer to be immovable.
According to the chair with the liftable and rotatable chair back, the tray for lifting and rotating the chair back is adopted, the chair further comprises a cushion, the chair back and chair wheels, the tray body is arranged at the bottom of the cushion, the support is arranged at the back of the chair back, the chair wheels are arranged at the bottom of the tray body, the chair back can move up and down through the support, and the chair back can be in rotary fit with the cushion through the connecting piece.
Preferably, the tray body is provided with a second handle, the chair wheel is provided with a pneumatic rod, the second handle is in transmission connection with the pneumatic rod, and the chair wheel can move up and down.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the bracket moves in the sawtooth track and can be fixed by stirring the metal sheet, so that the height of the chair back is adjusted; the first handle is shifted to loosen or compress the gasket layer, so that the connecting piece can rotate, and the front and back angles of the chair back are adjusted; simple structure, installation, dismantlement, maintenance, convenient operation helps promoting user's sense of use, helps reduce cost.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of a tray for lifting and rotating a seatback according to the present utility model;
FIG. 2 is a schematic view of a rotation of a tray for lifting and rotating a chair back, embodying the present utility model;
FIG. 3 is a top-down schematic view of a tray for lifting and rotating a chair back, according to the present utility model;
FIG. 4 is a top-down schematic view of a support frame of a tray for lifting and rotating a seatback according to the present utility model;
FIG. 5 is a side view of a bracket and attachment member of a tray for lifting and rotating a chair back embodying the present utility model;
FIG. 6 is a rear view of a bracket and attachment member of a tray for lifting and rotating a seatback in accordance with the present utility model;
FIG. 7 is a front view of a bracket and attachment member of a tray for lifting and rotating a seatback in accordance with the present utility model;
FIG. 8 is an exploded view of a metal dome and sheet metal of a tray for lifting and rotating a seat back embodying the present utility model;
FIG. 9 is a schematic view of the mounting of metal spring and metal sheet of a tray for lifting and rotating a chair back according to the present utility model;
FIG. 10 is a schematic view of a saw tooth track of a tray for lifting and rotating a chair back embodying the present utility model;
FIG. 11 is a schematic view of a sheet metal and saw tooth track of a tray for lifting and rotating a chair back embodying the present utility model;
FIG. 12 is a schematic view of a chair with a liftable and rotatable back in accordance with the present utility model;
FIG. 13 is a schematic view of the mounting of a tray and chair wheels for lifting and rotating a chair back in accordance with the present utility model;
fig. 14 is a top-bottom schematic view of a chair back embodying a chair back according to the present utility model.
Reference numerals:
tray body 1 connecting piece 2 bracket 3
First handle 4 second handle 5 spacer layer 6
Spring 7 cushion 11 back 12
Metal spring piece 31 of saw-tooth track 21 of chair wheel 13
Sheet metal 32
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
Example 1
As shown in fig. 1 to 7, a tray for lifting and rotating a seatback according to the present utility model includes: the tray comprises a tray body 1, a connecting piece 2, a bracket 3 and a first handle 4, wherein the bracket 3 is arranged on the tray body 1 through the connecting piece 2; the inside of the connecting piece 2 is provided with a sawtooth track 21, and the bracket 3 can move along the track direction of the sawtooth track 21 and is in clamping fit with the sawtooth of the sawtooth track 21; the first handle 4 is installed on the tray body 1, is connected with the gasket layer 6 between the tray body 1 and the connecting piece 2, and the first handle 4 is connected with the gasket layer 6 in a transmission way, and the connecting piece 2 and the tray body 1 can be in running fit through the gasket layer 6.
Generally, the connecting piece 2 is vertically arranged, that is, the track direction of the saw-tooth track 21 is in a vertical direction, and the bracket 3 is to be moved in the track direction of the saw-tooth track 21, that is, the bracket 3 can be moved up and down. The tray body 1 is horizontally arranged, the tray body 1 is in running fit with the connecting piece 2, the connecting piece 2 can rotate around the connecting position and generally moves back and forth, namely, the bracket 3 can move back and forth.
As shown in fig. 8-11, a metal sheet 32 is arranged in the bracket 3, and the metal sheet 32 is movably mounted on the bracket 3 through a metal spring piece 31. The metal sheet 32 extends to the outside through the bracket 3, and the metal sheet 32 can be shifted left and right. The metal sheet 32 is disposed corresponding to the saw-tooth rail 21, the metal sheet 32 is engaged with the saw teeth of the saw-tooth rail 21, a moving space is formed on the saw-tooth side of the saw-tooth rail 21, and the metal sheet 32 can move in the moving space. By means of saw-tooth rails for adjusting and fixing the lifting height
In the unadjusted state, the elasticity of the metal spring plate 31 makes the metal plate 32 fixed in the saw teeth of the saw tooth track 21 and not move. When the height of the bracket 3 needs to be adjusted, the metal sheet 32 is shifted from the rear side, so that the metal sheet 32 leaves the saw teeth of the saw tooth track 21 and moves in the moving space of the saw tooth side, and the bracket 3 can move up and down. When the bracket 3 moves to a proper height, the metal sheet 32 is pulled back again, so that the metal sheet 32 is clamped into the saw teeth of the saw tooth track 21, and at the moment, the elasticity of the metal elastic sheet 31 can enable the metal sheet 32 to be fixed in the saw teeth of the saw tooth track 21, so that the bracket 3 can be fixed in height.
One side of the connecting piece 2, which is close to the tray body 1, is provided with two groups of mounting holes, one group of mounting holes is connected with the tray body 1 through a connecting shaft, and a spring 7 is arranged, and the connecting piece 2 can rotate around the connecting shaft. The other group of mounting holes are provided with a fixed shaft, the fixed shaft penetrates through one end of the gasket layer 6, and the gasket layer 6 can rotate around the fixed shaft. The other end of the spacer layer 6 is provided with a long through hole through which the drive shaft of the first handle 4 passes and is movable within the long through hole. The gasket layer 6 comprises a plurality of metal gaskets, gaps are formed between the metal gaskets, and the first handle 4 can press the gasket layer 6 to enable the gasket layer 6 to be immovable.
In the unadjusted state, the first handle 4 presses the gasket layer 6 to enable the gasket layer 6 to be immovable, and the connecting piece 2 and the tray body 1 are kept in a fixed state. When the front-back angle of the connecting piece 2 needs to be adjusted, the first handle 4 is shifted to release the gasket layer 6, and the long through hole on the gasket layer 6 enables the gasket layer 6 to move, so that the connecting piece 2 can rotate around the connecting shaft. When the connecting piece 2 rotates to a proper angle, the first handle 4 is pulled back again, so that the first handle is pressed against the gasket layer 6, the gasket layer 6 is fixed, and the connecting piece 2 can not rotate any more, so that the angle is fixed. Further, the spring 7 has a buffering force when adjusting the angle, so that safety is ensured.
The metal sheet 32 is stirred, so that the bracket 3 moves in the sawtooth track 21 and can be fixed, and the height of the bracket 3 is adjusted; by pulling the first handle 4, it is released or pressed against the spacer layer 6, so that the connector 2 can be rotated, thereby adjusting the front-rear angle of the connector 2. The chair is simple in structure and convenient to operate, and can be applied to the chair, so that the chair is convenient to adjust and the cost can be reduced.
Example 2
As shown in fig. 12-14, according to the chair with a liftable and rotatable chair back provided by the utility model, the tray for lifting and rotating the chair back in embodiment 1 is adopted, and the chair further comprises a seat cushion 11, a chair back 12 and chair wheels 13, wherein the tray body 1 is arranged at the bottom of the seat cushion 11, the support 3 is arranged at the back of the chair back 12, the chair wheels 13 are arranged at the bottom of the tray body 1, the chair back 12 can move up and down through the support 3, and the chair back 12 can be in rotary fit with the seat cushion 11 through the connecting piece 2. The tray body 1 is provided with a second handle 5, the chair wheel 13 is provided with a pneumatic rod, the second handle 5 is connected with the pneumatic rod in a transmission way, and the chair wheel 13 can move up and down.
The metal sheet 32 is stirred, so that the bracket 3 moves in the sawtooth track 21 and can be fixed, and the height of the chair back 12 is adjusted; by pulling the first handle 4 to release or compress the spacer layer 6, the connector 2 can be rotated to adjust the back-to-front angle of the seat back 12. The utility model has the advantages of this application simple structure, installation, dismantlement, maintenance, convenient operation helps promoting user's sense of use, helps reduce cost.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. A tray for lifting and rotating a chair back, comprising: the novel tray comprises a tray body (1), a connecting piece (2), a bracket (3) and a first handle (4), wherein the bracket (3) is arranged on the tray body (1) through the connecting piece (2);
the connecting piece (2) is internally provided with a sawtooth track (21), and the bracket (3) can move along the track direction of the sawtooth track (21) and is in clamping fit with the sawtooth of the sawtooth track (21);
the first handle (4) is installed on the tray body (1), a gasket layer (6) is connected between the tray body (1) and the connecting piece (2), the first handle (4) is in transmission connection with the gasket layer (6), and the connecting piece (2) and the tray body (1) can be in running fit through the gasket layer (6).
2. A tray for lifting and rotating a chair back according to claim 1, characterized in that the support (3) is internally provided with a metal sheet (32), and the metal sheet (32) is movably mounted on the support (3) through a metal spring sheet (31).
3. A tray for lifting and rotating a chair back according to claim 2, characterized in that the metal sheet (32) extends to the outside through the bracket (3), the metal sheet (32) being able to be toggled from side to side.
4. A tray for lifting and rotating a chair back according to claim 3, wherein the metal sheet (32) is arranged corresponding to the saw tooth track (21), the metal sheet (32) is in clamping fit with saw teeth of the saw tooth track (21), a moving space is formed on the saw tooth side of the saw tooth track (21), and the metal sheet (32) can move in the moving space.
5. A pallet for lifting and rotating a chair back according to claim 1, characterized in that the side of the connecting piece (2) close to the pallet body (1) is provided with two sets of mounting holes, one set of mounting holes is connected with the pallet body (1) through a connecting shaft, and a spring (7) is mounted, and the connecting piece (2) can rotate around the connecting shaft.
6. A tray for lifting and rotating a chair back according to claim 5, wherein a fixed shaft is mounted to the other set of mounting holes, said fixed shaft passing through one end of the spacer layer (6), said spacer layer (6) being rotatable about said fixed shaft.
7. A tray for lifting and rotating a chair back according to claim 6, characterized in that the other end of the spacer layer (6) is provided with a long through hole, through which the drive shaft of the first handle (4) passes and is movable in.
8. A tray for lifting and rotating a chair back according to claim 7, characterized in that the spacer layer (6) comprises a plurality of layers of metal spacers with gaps formed between them, the first handle (4) being able to press the spacer layer (6) against it.
9. The utility model provides a liftable and rotatory chair of back of the chair, its characterized in that adopts the tray of arbitrary one of claims 1-8 for lifting and rotatory back of the chair, still includes cushion (11), back of the chair (12) and chair wheel (13), tray body (1) are installed the bottom of cushion (11), support (3) are installed the back of the chair (12), chair wheel (13) are installed the bottom of tray body (1), back of the chair (12) are passed through support (3) can reciprocate, back of the chair (12) are passed through connecting piece (2) can with cushion (11) normal running fit.
10. The chair with the liftable and rotatable chair back according to claim 9, wherein the tray body (1) is provided with a second handle (5), the chair wheel (13) is provided with a pneumatic rod, the second handle (5) is in transmission connection with the pneumatic rod, and the chair wheel (13) can move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322225253.6U CN220256074U (en) | 2023-08-17 | 2023-08-17 | Tray for lifting and rotating chair back and chair with lifting and rotating chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322225253.6U CN220256074U (en) | 2023-08-17 | 2023-08-17 | Tray for lifting and rotating chair back and chair with lifting and rotating chair back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220256074U true CN220256074U (en) | 2023-12-29 |
Family
ID=89315959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322225253.6U Active CN220256074U (en) | 2023-08-17 | 2023-08-17 | Tray for lifting and rotating chair back and chair with lifting and rotating chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220256074U (en) |
-
2023
- 2023-08-17 CN CN202322225253.6U patent/CN220256074U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |