CN215190435U - Handle type chair back regulating mechanism - Google Patents
Handle type chair back regulating mechanism Download PDFInfo
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- CN215190435U CN215190435U CN202120424929.2U CN202120424929U CN215190435U CN 215190435 U CN215190435 U CN 215190435U CN 202120424929 U CN202120424929 U CN 202120424929U CN 215190435 U CN215190435 U CN 215190435U
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- chair back
- handle
- chair
- clamping
- clamping groove
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Abstract
The utility model discloses a handle type chair back adjusting mechanism, which comprises a chair seat and a chair back which can be rotationally connected with the chair seat, wherein an adjusting mechanism for adjusting the angle of the chair back is arranged between the chair seat and the chair back; the adjusting mechanism comprises an operating handle, a clamping tooth piece and a clamping groove piece; the latch piece is rotatably arranged on the seat; the clamping tooth piece is provided with a driving part, and the control handle is in driving connection with the driving part; the clamping groove piece is arranged on the chair back and is provided with a plurality of clamping grooves which are arranged at intervals up and down; the latch member has a latch; when the control handle is pushed inwards, the latch and the clamping groove are separated, and the chair back can rotate relative to the chair seat; when the operating handle is pulled out, the latch is matched with one clamping groove of the clamping groove piece, and the inclination angle of the front chair back after rotation is locked. Therefore, the handle type chair back adjusting mechanism is designed, and the unlocking/locking of the inclination angle of the chair back is realized by pushing in/pulling out the handle; the device has the advantages of simple structure, simple and convenient assembly and convenient operation.
Description
Technical Field
The utility model relates to a back of the chair adjustment mechanism field technique especially indicates a handle formula back of the chair adjustment mechanism.
Background
With the development of economy, the requirements of people on offices or living environments are higher and higher, office furniture and home furniture have wider and wider markets in China, and a seat is taken as one of main office furniture and home furniture; however, the existing chair back angle adjusting mechanism has the problems of complex overall structure, troublesome assembly and inconvenient operation.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to the disadvantages of the prior art, and the main object of the present invention is to provide a handle-type chair back adjusting mechanism, which is designed to unlock/lock the tilt angle of the chair back by pushing/pulling the handle; compared with the prior art, the device has the advantages of simple structure, simplicity and convenience in assembly and operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a handle type chair back adjusting mechanism comprises a chair seat and a chair back which is rotatably connected with the chair seat, wherein an adjusting mechanism for adjusting the angle of the chair back is arranged between the chair seat and the chair back; wherein:
the adjusting mechanism comprises an operating handle, a clamping tooth piece and a clamping groove piece; the latch piece is rotatably arranged on the seat; the clamping tooth piece is provided with a driving part, and the control handle is in driving connection with the driving part;
the clamping groove piece is arranged on the chair back and is provided with a plurality of clamping grooves which are arranged at intervals up and down; correspondingly, the clamping tooth piece is provided with a clamping tooth, and the clamping tooth is matched with the clamping groove;
when the operating handle is pushed inwards, the operating handle drives the clamping tooth piece to rotate reversely, the clamping tooth is separated from the clamping groove, and the chair back can rotate relative to the chair seat;
when the operating handle is pulled out outwards, the operating handle drives the clamping tooth piece to rotate in the positive direction, and the clamping tooth is matched with one clamping groove of the clamping groove piece to lock the inclination angle of the front chair back after rotation.
Preferably, the control handle is provided with a push-pull part and a traction part, the push-pull part extends out of the seat, and the traction part is in driving connection with the driving part; and a hand action part extends from one end of the push-pull part outside the chair seat.
As a preferred scheme, the latch member is fan-shaped, and has a pivot hole penetrating from top to bottom, the seat has a vertically arranged pivot shaft, the pivot hole is adapted to the pivot shaft so that the latch member can be rotatably mounted on the seat, the driving portion is disposed on the left side of the pivot hole, and the latch is disposed on the right arc edge of the pivot hole.
Preferably, the distance between the pivot hole and the driving part is less than or equal to the distance between the pivot hole and the latch.
As a preferred scheme, the latch piece is provided with a limiting groove, and the seat is provided with a limiting column and is positioned in the limiting groove; when the latch member rotates, the limit column limits the maximum rotation angle of the latch member in forward rotation and reverse rotation.
As a preferred scheme, the clamping groove piece is arc-shaped, the clamping groove is formed in the left side of the clamping groove piece, and the right side of the clamping groove piece is an arc-shaped surface and is connected with the chair back.
As a preferable scheme, a first horizontal plane horizontally extends towards the left side from the upper end of the arc-shaped surface, a first vertical plane downwardly extends from the first horizontal plane, the first horizontal plane and the first vertical plane form a first positioning part, and the upper end of the arc-shaped surface and the first horizontal plane, and the first horizontal plane and the first vertical plane are connected through smooth curved surfaces;
the chair back is provided with a first positioning groove matched with the first positioning part;
the lower end of the arc-shaped surface extends to the left lower side to form a first inclined surface, the first inclined surface extends upwards to form a second vertical surface, a second positioning part is formed by the lower end of the arc-shaped surface, the first inclined surface and the second vertical surface are connected through smooth curved surfaces;
the chair back is provided with a second positioning groove matched with the second positioning portion, a connecting hole is formed in the lower side of the second positioning groove, a screw is connected into the connecting hole, and the screw is locked on the vertical surface of the second.
Preferably, the right side of the latch has an upper guide slope and a lower guide slope.
Preferably, the slot member has three slots; when the clamping groove at the lowest side is matched with the clamping teeth, the chair back is horizontally arranged;
when the uppermost clamping groove of the clamping groove piece is matched with the clamping teeth, the chair back is arranged at an angle of 35-45 degrees towards the lower right.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, the technical proposal shows that the unlocking/locking of the inclination angle of the chair back is realized mainly by designing a handle type chair back adjusting mechanism and pushing in/pulling out the handle; compared with the prior art, the device has the advantages of simple structure, simple and convenient assembly and convenient operation;
secondly, the design of the clamping tooth piece and the clamping groove piece is reasonable and ingenious, the problem of clamping stagnation can not occur in the adjusting process, and the clamping tooth piece and the clamping groove piece are favorable for popularization and use.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention (the steering handle not shown);
FIG. 3 is a cross-sectional view of an embodiment of the present invention (the steering handle not shown);
FIG. 4 is an enlarged fragmentary view of FIG. 3;
FIG. 5 is another exploded view of an embodiment of the present invention;
FIG. 6 is an enlarged partial view of FIG. 5;
fig. 7 is a partial view of an embodiment of the present invention.
The attached drawings indicate the following:
100. chair seat 101, pin joint axle
102. Limiting column 200 and chair back
10. Latch member 11, latch
111. Upper guide slope 112, lower guide slope
12. Pivoting hole 13 and limiting groove
14. Drive part 20 and card slot piece
21. Clamping groove 22 and arc surface
221. A first horizontal surface 222 and a first vertical surface
223. A first inclined plane 224 and a second vertical plane
300. Operating handle 301, push-pull section
302. Traction portion 303, hand action portion.
Detailed Description
Fig. 1 to 7 show specific structures of embodiments of the present invention.
A handle type chair back 200 adjusting mechanism comprises a chair seat 100 and a chair back 200 which is rotatably connected with the chair seat 100, wherein an adjusting mechanism for adjusting the angle of the chair back 200 is arranged between the chair seat 100 and the chair back 200; wherein:
the adjusting mechanism comprises a control handle 300, a latch 11 piece 10 and a clamping groove piece 20; the latch member 10 is rotatably disposed on the seat 100; the latch 10 has a driving part 14, and the operating handle 300 is connected to the driving part 14; here, one embodiment of the manipulating handle 300 driving-connecting driving part 14 may be: the operating handle 300 is provided with a driving hole, the driving part 14 of the latch 11 is located in the driving hole, and the driving part 14 can be movably arranged in the driving hole, and the driving part 14 is driven to move through the inner wall of the driving hole;
the clamping groove part 20 is arranged on the chair back 200 and is provided with a plurality of clamping grooves 21 which are arranged at intervals up and down; correspondingly, the latch member 10 has a latch 11, and the latch 11 is matched with the slot 21;
when the operating handle 300 is pushed inwards, the operating handle 300 drives the latch member 10 to rotate reversely, the latch 11 is separated from the slot 21, and the backrest 200 can rotate relative to the seat 100;
when the operating handle 300 is pulled out, the operating handle 300 drives the latch member 10 to rotate in the forward direction, and the latch 11 is engaged with one of the engaging grooves 21 of the engaging groove member 20 to lock the tilt angle of the seatback 200 after rotation.
Further, the manipulating handle 300 has a push-pull portion 301 and a pulling portion 302, the push-pull portion 301 extends out of the seat 100, and the pulling portion 302 is drivingly connected to the driving portion 14; and a hand action part 303 extends from one end of the push-pull part 301 outside the seat 100.
Further, latch 10 is fan-shaped, and it has pivot hole 12 that link up from top to bottom, seat support 100 has the pivot axle 101 of vertical arrangement, pivot hole 12 adaptation is in pivot axle 101 so that latch 11 spare 10 is rotatable to be installed in seat support 100, drive portion 14 sets up in the left side of pivot hole 12, latch 11 sets up on the right side arc edge of pivot hole 12.
Preferably, the distance between the pivot hole 12 and the driving part 14 is less than or equal to the distance between the pivot hole 12 and the latch 11.
Preferably, the latch member 10 has a limiting groove 13, and the seat 100 has a limiting post 102 and is located in the limiting groove 13; when the latch member 10 rotates, the limit post 102 limits the maximum rotation angle of the latch member 10 in the forward direction and the reverse direction.
Preferably, the slot member 20 is arc-shaped, the slot 21 is disposed on the left side of the slot member 20, and the right side of the slot member 20 is an arc-shaped surface 22 and is connected with the chair back 200.
Preferably, a first horizontal plane 221 extends horizontally from the upper end of the arc-shaped surface 22 to the left, a first vertical plane 222 extends downward from the first horizontal plane 221, a first positioning portion is formed around the first horizontal plane 221, and the first horizontal plane 221 and the first vertical plane 222 are connected by a smooth curved surface between the upper end of the arc-shaped surface 22 and the first horizontal plane 221;
the chair back 200 is provided with a first positioning groove matched with the first positioning part;
a first inclined surface 223 extends from the lower end of the arc-shaped surface 22 to the lower left side, a second vertical surface 224 extends from the first inclined surface 223 to the upper side, a second positioning part is formed by the three parts, and the lower end of the arc-shaped surface 22 is connected with the first inclined surface 223 and the first inclined surface 223 is connected with the second vertical surface 224 through smooth curved surfaces;
the chair back 200 is provided with a second positioning groove matched with the second positioning portion, a connecting hole is formed in the lower side of the second positioning groove, a screw is connected into the connecting hole, and the screw is locked on the second vertical surface 224.
Preferably, the latch 11 has an upper guide slope 111 and a lower guide slope 112 on the right side.
Preferably, the card slot member 20 has three card slots 21; when the lowest clamping groove 21 is matched with the clamping tooth 11, the chair back 200 is horizontally arranged;
when the uppermost engaging groove 21 of the engaging groove member 20 is engaged with the engaging tooth 11, the seat back 200 is arranged at an angle of 35 to 45 degrees toward the lower right.
The design of the utility model is mainly characterized in that a handle type chair back adjusting mechanism is designed, and the unlocking/locking of the inclination angle of the chair back is realized by pushing in/pulling out the handle; compared with the prior art, the device has the advantages of simple structure, simple and convenient assembly and convenient operation;
secondly, the design of the clamping tooth piece and the clamping groove piece is reasonable and ingenious, the problem of clamping stagnation can not occur in the adjusting process, and the clamping tooth piece and the clamping groove piece are favorable for popularization and use.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. A handle formula back of chair adjustment mechanism which characterized in that: the chair comprises a chair seat and a chair back which is rotatably connected with the chair seat, wherein an adjusting mechanism for adjusting the angle of the chair back is arranged between the chair seat and the chair back; wherein:
the adjusting mechanism comprises an operating handle, a clamping tooth piece and a clamping groove piece; the latch piece is rotatably arranged on the seat; the clamping tooth piece is provided with a driving part, and the control handle is in driving connection with the driving part;
the clamping groove piece is arranged on the chair back and is provided with a plurality of clamping grooves which are arranged at intervals up and down; correspondingly, the clamping tooth piece is provided with a clamping tooth, and the clamping tooth is matched with the clamping groove;
when the operating handle is pushed inwards, the operating handle drives the clamping tooth piece to rotate reversely, the clamping tooth is separated from the clamping groove, and the chair back can rotate relative to the chair seat;
when the operating handle is pulled out outwards, the operating handle drives the clamping tooth piece to rotate in the positive direction, and the clamping tooth is matched with one clamping groove of the clamping groove piece to lock the inclination angle of the front chair back after rotation.
2. The handle chair back adjustment mechanism of claim 1, wherein: the control handle is provided with a push-pull part and a traction part, the push-pull part extends out of the chair seat, and the traction part is in driving connection with the driving part; and a hand action part extends from one end of the push-pull part outside the chair seat.
3. The handle chair back adjustment mechanism of claim 1, wherein: the utility model discloses a chair seat, including seat support, latch spare, drive portion, pivot axle, pivot hole, drive portion, latch spare are fan-shaped, and it has the pin joint hole that link up from top to bottom, the seat support has vertical arrangement's pin joint axle, pin joint hole adaptation is in the pin joint axle so that latch spare is rotatable to be installed in the seat support, the drive portion sets up in the left side in pin joint hole, the latch sets up on the right side arc edge in pin joint hole.
4. The handle chair back adjustment mechanism of claim 3, wherein: the distance between the pivoting hole and the driving part is smaller than or equal to the distance between the pivoting hole and the latch.
5. The handle chair back adjustment mechanism of claim 3, wherein: the clamping tooth piece is provided with a limiting groove, and the seat is provided with a limiting column and is positioned in the limiting groove; when the latch member rotates, the limit column limits the maximum rotation angle of the latch member in forward rotation and reverse rotation.
6. The handle chair back adjustment mechanism of claim 1, wherein: the clamping groove piece is arc-shaped, the clamping groove is formed in the left side of the clamping groove piece, and the right side of the clamping groove piece is an arc-shaped surface and is connected with the chair back.
7. The handle chair back adjustment mechanism of claim 6, wherein: a first horizontal plane horizontally extends towards the left side from the upper end of the arc-shaped surface, a first vertical plane downwardly extends from the first horizontal plane, a first positioning part is formed by the arc-shaped surface, the first horizontal plane and the first vertical plane, and the upper end of the arc-shaped surface and the first horizontal plane are connected through smooth curved surfaces;
the chair back is provided with a first positioning groove matched with the first positioning part;
the lower end of the arc-shaped surface extends to the left lower side to form a first inclined surface, the first inclined surface extends upwards to form a second vertical surface, a second positioning part is formed by the lower end of the arc-shaped surface, the first inclined surface and the second vertical surface are connected through smooth curved surfaces;
the chair back is provided with a second positioning groove matched with the second positioning portion, a connecting hole is formed in the lower side of the second positioning groove, a screw is connected into the connecting hole, and the screw is locked on the vertical surface of the second.
8. The handle chair back adjustment mechanism of claim 1, wherein: the right side of the latch is provided with an upper guide inclined plane and a lower guide inclined plane.
9. The handle chair back adjustment mechanism of claim 1, wherein: the slot member has three slots; when the clamping groove at the lowest side is matched with the clamping teeth, the chair back is horizontally arranged;
when the uppermost clamping groove of the clamping groove piece is matched with the clamping teeth, the chair back is arranged at an angle of 35-45 degrees towards the lower right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120424929.2U CN215190435U (en) | 2021-02-26 | 2021-02-26 | Handle type chair back regulating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120424929.2U CN215190435U (en) | 2021-02-26 | 2021-02-26 | Handle type chair back regulating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215190435U true CN215190435U (en) | 2021-12-17 |
Family
ID=79441085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120424929.2U Active CN215190435U (en) | 2021-02-26 | 2021-02-26 | Handle type chair back regulating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215190435U (en) |
-
2021
- 2021-02-26 CN CN202120424929.2U patent/CN215190435U/en active Active
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| GR01 | Patent grant |