CN220800567U - Pin device for fixing inclination angle of chair backrest - Google Patents
Pin device for fixing inclination angle of chair backrest Download PDFInfo
- Publication number
- CN220800567U CN220800567U CN202322767603.1U CN202322767603U CN220800567U CN 220800567 U CN220800567 U CN 220800567U CN 202322767603 U CN202322767603 U CN 202322767603U CN 220800567 U CN220800567 U CN 220800567U
- Authority
- CN
- China
- Prior art keywords
- sliding block
- spring
- bolt
- assembly
- sliding
- 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.)
- Active
Links
- 238000005192 partition Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model provides a bolt device for fixing the inclination angle of a chair backrest, which relates to the field of furniture adjusting accessories and comprises a bolt base, wherein a chute structure is arranged on the bolt base, a sliding component is connected to the chute structure, a bolt is arranged on one side of the sliding component, a spring component is arranged on the bolt, a traction component is connected to the sliding component, the traction component controls the sliding component to slide on the chute structure, and simultaneously compresses the spring component to drive the bolt to move.
Description
Technical Field
The utility model relates to the technical field of furniture adjusting accessories, in particular to a latch device for fixing the inclination angle of a backrest of a chair.
Background
The bolt is an anti-theft part for preventing doors and windows from being opened at the earliest, but is a mature installation structure because of a rapid opening and closing mode and good strength performance, and is widely used in the mechanical and electronic equipment installation industry. The traditional bolt comprises a bolt sleeve, a bolt rod sleeved in the bolt sleeve and a bolt rod handle perpendicular to the axis of the bolt rod and fixedly connected with the bolt rod, wherein a handle groove for limiting the moving range of the bolt rod handle is arranged on the bolt sleeve, and the aim of switching the bolt can be achieved by moving the bolt rod handle.
This document provides a latch device that can be applied to the back of the chair, through the control bolt of traction assembly open and shut to adjust back of the chair angle.
Disclosure of utility model
The utility model overcomes the defects in the prior art and provides the latch device for fixing the inclination angle of the chair backrest.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The utility model provides a bolt device of fixed chair back inclination, includes the bolt base, be provided with the spout structure on the bolt base, be connected with sliding component on the spout structure, sliding component one side is provided with the bolt, be provided with spring assembly on the bolt, be connected with the traction assembly on the sliding component, the traction assembly control sliding component is in on the spout structure slides, compresses simultaneously spring assembly drives the bolt removes.
Preferably, the chute structure comprises a first chute and a second chute, and the first chute and the second chute are L-shaped;
the sliding assembly comprises a first sliding block and a second sliding block, the first sliding block slides up and down on the first slideway, and the second sliding block slides back and forth on the second slideway;
The first sliding block is provided with a through hole at one side, the through hole is internally connected with the traction assembly, the traction assembly penetrates through the first sliding block and the bolt base from top to bottom, the traction assembly is parallel to the first slideway, and the traction assembly controls the first sliding block to slide downwards on the first slideway;
One side of the second sliding block is connected with the second slideway, the other side of the second sliding block is provided with a limiting plate, the limiting plate is perpendicular to the second slideway, the front end of the bolt is connected with the limiting plate, the spring assembly is sleeved on the bolt, and the bolt is parallel to the second slideway;
The first sliding block is provided with a first arc-shaped surface, the second sliding block is provided with a second arc-shaped surface corresponding to the first arc-shaped surface, and when the traction assembly pulls the first sliding block downwards, the first arc-shaped surface on the first sliding block is contacted with the second arc-shaped surface of the second sliding block and pushes the second sliding block along the second slideway;
the second sliding block pushes the bolt through the limiting plate, and the spring assembly is extruded to drive the bolt to move on one side of the second sliding way and simultaneously move with the second sliding block.
Preferably, the spring assembly comprises a first spring, a partition is arranged on the bolt, the front end of the first spring is in contact with the partition, and the partition limits the first spring.
Preferably, the front end of the bolt is sleeved with a second spring, one end of the second spring is contacted with the limiting plate, and the other end of the second spring is contacted with the other side of the separation part.
Preferably, a third spring is arranged between the lower end of the other side of the first sliding block and the bolt base, a second groove is formed in the lower surface of the first sliding block, a first groove is formed in the upper surface of the bolt base, and the third spring is clamped into the first groove and the second groove.
Preferably, a limiting column is arranged in the second groove, the diameter of the limiting column is smaller than the inner diameter of the third spring, and the third spring is sleeved between the outer ring of the limiting column and the second groove;
The height of the limiting column is smaller than the depth of the second groove;
The limiting column fixes the position of the third spring.
Preferably, a concave part is arranged on the second arc-shaped surface at the front end of the second sliding block, and the concave part corresponds to the radian of the outer surfaces of the traction assembly and the third spring.
Preferably, a mounting seat is arranged on one side of the bolt base.
Preferably, a latch device for fixing the reclining angle of a chair backrest comprises a latch device structure as defined in any one of the above.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a latch device of fixed chair back inclination, through the first slider downwardly sliding of traction assembly control, first slider is used at first slide upper and lower, promotes tangent second arcwall face through first arcwall face, promotes the second slider and slides back and forth on the second slide, promotes the bolt through the limiting plate, drives the bolt and carries out back and forth movement simultaneously in second slide one side and second slider through extrusion spring assembly to reach control bolt and open and shut, simple structure, convenient to use.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, in which:
FIG. 1 is a schematic view of an exploded construction of a latch device according to the present utility model;
FIG. 2 is a first schematic view of the latch assembly of the present utility model;
FIG. 3 is a second schematic view of the latch assembly of the present utility model;
FIG. 4 is a third schematic view of a latch assembly according to the present utility model;
FIG. 5 is a fourth schematic view of a latch device according to the present utility model;
FIG. 6 is a schematic view of the latch base of the present utility model;
FIG. 7 is a schematic view of a first slider according to the present utility model;
FIG. 8 is a schematic view of a second slider according to the present utility model;
FIG. 9 is a first schematic view of the latch of the present utility model;
FIG. 10 is a second schematic view of the latch of the present utility model;
In the figure: 1-a latch base; 2-a chute structure; 3-a sliding assembly; 4-a bolt; a 5-spring assembly; 6-a traction assembly; 7-a third spring; 8-a first groove; 9-a second groove; 10-limiting columns; 11-a mounting base; 12-dividing part; 13-a bolt sleeve; 14-clamping; 201-a first slideway; 202-a second slideway; 301-a first slider; 302-a second slider; 303-a first arcuate surface; 304-a second arcuate surface; 305-a depression; 306-limiting plates; 501-a first spring; 502-a second spring.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
As shown in fig. 1 to 5, a latch device for fixing a backrest inclination angle of a chair comprises a latch base 1, wherein a chute structure 2 is arranged on the latch base 1, a sliding component 3 is connected on the chute structure 2, a latch 4 is arranged on one side of the sliding component 3, a spring component 5 is arranged on the latch 4, a traction component 6 is connected on the sliding component 3, the traction component 6 controls the sliding component 3 to slide on the chute structure 2, meanwhile, the spring component 5 is compressed to drive the latch 4 to move, a mounting seat 11 is arranged on one side of the latch base 1, and the latch is reinforced and fixed inside the chair through the mounting seat 11.
Specifically, as shown in fig. 1 to 8, the chute structure 2 includes a first chute 201 and a second chute 202, wherein the bottom end of the first chute 201 intersects with one end of the second chute 202, and the first chute 201 and the second chute 202 are integrally L-shaped;
The sliding assembly 3 comprises a first sliding block 301 and a second sliding block 302, wherein the first sliding block 301 slides up and down on the first slideway 201, and the second sliding block 302 slides back and forth on the second slideway 202;
one side of the first sliding block 301 is provided with a through hole, the through hole is internally connected with a traction assembly 6, the traction assembly 6 penetrates through the first sliding block 301 and the bolt base 1 from top to bottom, the traction assembly 6 is parallel to the first sliding way 201, and the traction assembly 6 controls the first sliding block 301 to slide downwards on the first sliding way 201;
One side of the second sliding block 302 is connected with the second slideway 202, the other side is provided with a limiting plate 306, the limiting plate 306 is vertical to the second slideway 202, the front end of the bolt 4 is connected with the limiting plate 306, the limiting plate 306 is connected with the bolt 4 through a spring assembly 5, the spring assembly 5 is sleeved on the bolt 4, and the bolt 4 is parallel to the second slideway 202;
The first sliding block 301 is provided with a first arc-shaped surface 303, the second sliding block 302 is provided with a second arc-shaped surface 304 corresponding to the first arc-shaped surface 303, and when the traction assembly 6 pulls the first sliding block 301 downwards, the first arc-shaped surface 303 on the first sliding block 301 contacts with the second arc-shaped surface 304 of the second sliding block 302 and pushes the second sliding block 302 backwards along the second slideway 202;
The second sliding block 302 pushes the bolt 4 through the limiting plate 306, and the spring assembly 5 is extruded to drive the bolt 4 to move simultaneously with the second sliding block 302 on one side of the second slideway 202.
As shown in fig. 1, 8 and 9, the spring assembly 5 includes a first spring 501, a partition 12 is provided on the plug 4, the front end of the first spring 501 contacts with the partition 12, and the partition 12 limits the first spring 501.
Meanwhile, a second spring 502 is sleeved at the front end of the bolt 4, one end of the second spring 502 is contacted with the limiting plate 306, and the other end is contacted with the other side of the separation part 12.
As shown in fig. 1, 6 and 7, a third spring 7 is arranged between the lower end of the other side of the first slider 301 and the latch base 1, a second groove 9 is arranged on the lower surface of the first slider 301, a first groove 8 is arranged on the upper surface of the latch base 1, and the third spring 7 is clamped into the first groove 8 and the second groove 9.
As shown in fig. 9 and 10, when in use, the latch base 1 is fixed inside a chair, the other end of the latch 4 is sleeved in the latch sleeve 13, the latch sleeve 13 is fixed inside the chair, the first spring 501 is arranged between the latch sleeve 13 and the partition 12, and when the second slider 302 moves, the second spring 502 at the front end of the latch 4 is pressed to enable the latch 4 to synchronously move, the latch sleeve 13 is pressed by the first spring 501 between the partition 12 and the latch sleeve 13, the tail end of the latch 4 is clamped with the clamping position 14 arranged in the chair, and the inclination of the backrest of the fixed chair is fixed.
As shown in fig. 7, a limiting post 10 is arranged in the second groove 9, the diameter of the limiting post 10 is smaller than the inner diameter of the third spring 7, the third spring 7 is sleeved between the outer ring of the limiting post 10 and the second groove 9, the limiting post 10 fixes the position of the third spring 7, the height of the limiting post 10 is smaller than the depth of the second groove 9, the situation that the limiting post 10 overloads to prevent the first sliding block 301 from moving downwards in the process of compressing the third spring 7 is avoided,
As shown in fig. 8, a concave portion 305 is provided on a second arc-shaped surface 304 at the front end of the second slider 302, and the concave portion 305 corresponds to the radian of the outer surfaces of the traction assembly 6 and the third spring 7, so that loss or blocking caused by friction between the second arc-shaped surface 304 and the outer surfaces of the traction assembly 6 and the third spring 7 in the use process is avoided, and the sliding of the second slider 302 is smoother.
As shown in fig. 1, in the first embodiment of the present utility model, when in use, the traction assembly 6 is pulled, the first slider 301 is pulled downwards, the first arc surface 303 at the lower end of the first slider 301 contacts with the second arc surface 304 of the second slider 302, and pushes the second slider 302 outwards along the second slide way 202, the second slider 302 pushes the latch 4 through the limiting plate 306, and the latch 4 is driven to move backwards on one side of the second slide way 202 and simultaneously move with the second slider 302 through the extrusion spring assembly 5, so that the latch 4 moves into the latch sleeve 13, the tail end of the latch 4 is clamped with the clamping position 14 arranged in the chair, and the inclination of the backrest of the fixed chair is fixed.
When the angle needs to be adjusted, the traction assembly 6 is loosened, the third spring 7 is reset, the first sliding block 301 is driven to be upwards, the first arc-shaped surface 303 is disconnected with the second arc-shaped surface 304, the spring assembly 5 on the bolt 4 is reset, the second sliding block 302 is driven to move inwards along the second slideway 202, the bolt 4 moves outwards to the bolt sleeve 13, the tail end of the bolt 4 is disconnected with the clamping position 14 arranged in the chair, the inclination angle of the backrest of the fixed chair is adjusted, and after the adjustment is finished, the traction assembly 6 is pulled to clamp the tail end of the bolt 4 with other clamping positions 14 arranged in the chair, so that the inclination adjustment of the backrest of the fixed chair is completed.
The utility model can realize the adjustment of the inclination angle of the backrest of the fixed chair through the simple latch device, has simple structure and very convenient use, and enlarges the application range of the latch device.
Finally, it should be noted that: although the present utility model has been described in detail with reference to the embodiments, it should be understood that the utility model is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. A latch device for fixing the angle of inclination of a chair back, characterized in that: including bolt base (1), be provided with spout structure (2) on bolt base (1), be connected with sliding component (3) on spout structure (2), sliding component (3) one side is provided with bolt (4), be provided with spring assembly (5) on bolt (4), be connected with on sliding component (3) and pull subassembly (6), pull subassembly (6) control sliding component (3) are in slide on spout structure (2), compress simultaneously spring assembly (5) drive bolt (4) are removed.
2. A latch mechanism for securing a reclining angle of a chair according to claim 1, wherein: the chute structure (2) comprises a first chute (201) and a second chute (202), wherein the first chute (201) and the second chute (202) are L-shaped;
The sliding assembly (3) comprises a first sliding block (301) and a second sliding block (302), wherein the first sliding block (301) slides up and down on the first slideway (201), and the second sliding block (302) slides back and forth on the second slideway (202);
A through hole is formed in one side of the first sliding block (301), the traction assembly (6) is connected in the through hole, the traction assembly (6) penetrates through the first sliding block (301) and the bolt base (1) from top to bottom, the traction assembly (6) is parallel to the first sliding way (201), and the traction assembly (6) controls the first sliding block (301) to slide downwards on the first sliding way (201);
one side of the second sliding block (302) is connected with the second slideway (202), a limiting plate (306) is arranged on the other side of the second sliding block, the limiting plate (306) is perpendicular to the second slideway (202), the front end of the bolt (4) is connected with the limiting plate (306), the spring assembly (5) is sleeved on the bolt (4), and the bolt (4) is parallel to the second slideway (202);
The first sliding block (301) is provided with a first arc-shaped surface (303), the second sliding block (302) is provided with a second arc-shaped surface (304) corresponding to the first arc-shaped surface (303), and when the traction assembly (6) pulls the first sliding block (301) downwards, the first arc-shaped surface (303) on the first sliding block (301) is contacted with the second arc-shaped surface (304) of the second sliding block (302) and pushes the second sliding block (302) along the second slideway (202);
The second sliding block (302) pushes the plug pin (4) through the limiting plate (306), and the plug pin (4) is driven to move simultaneously with the second sliding block (302) on one side of the second sliding way (202) by extruding the spring assembly (5).
3. A latch mechanism for securing a reclining angle of a chair according to claim 2, wherein: the spring assembly (5) comprises a first spring (501), a partition part (12) is arranged on the bolt (4), the front end of the first spring (501) is in contact with the partition part (12), and the partition part (12) limits the first spring (501).
4. A latch assembly for securing a reclining angle of a chair according to claim 3, wherein: the front end of the bolt (4) is sleeved with a second spring (502), one end of the second spring (502) is contacted with the limiting plate (306), and the other end of the second spring is contacted with the other side of the separation part (12).
5. A latch mechanism for securing a reclining angle of a chair according to claim 2, wherein: a third spring (7) is arranged between the lower end of the other side of the first sliding block (301) and the bolt base (1), a second groove (9) is formed in the lower surface of the first sliding block (301), a first groove (8) is formed in the upper surface of the bolt base (1), and the third spring (7) is clamped into the first groove (8) and the second groove (9).
6. The latch mechanism for securing a reclining angle of a chair according to claim 5, wherein: a limiting column (10) is arranged in the second groove (9), the diameter of the limiting column (10) is smaller than the inner diameter of the third spring (7), and the third spring (7) is sleeved between the outer ring of the limiting column (10) and the second groove (9);
the height of the limiting column (10) is smaller than the depth of the second groove (9);
The position of the third spring (7) is fixed by the limit column (10).
7. The latch mechanism for securing a reclining angle of a chair according to claim 6, wherein: the second arc-shaped surface (304) at the front end of the second sliding block (302) is provided with a concave part (305), and the concave part (305) corresponds to the radian of the outer surfaces of the traction assembly (6) and the third spring (7).
8. A latch mechanism for securing a reclining angle of a chair according to claim 1, wherein: one side of the bolt base (1) is provided with a mounting seat (11).
9. A latch device for fixing the angle of inclination of a chair back, characterized in that: comprising a latch arrangement according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322767603.1U CN220800567U (en) | 2023-10-16 | 2023-10-16 | Pin device for fixing inclination angle of chair backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322767603.1U CN220800567U (en) | 2023-10-16 | 2023-10-16 | Pin device for fixing inclination angle of chair backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220800567U true CN220800567U (en) | 2024-04-19 |
Family
ID=90701633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322767603.1U Active CN220800567U (en) | 2023-10-16 | 2023-10-16 | Pin device for fixing inclination angle of chair backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220800567U (en) |
-
2023
- 2023-10-16 CN CN202322767603.1U patent/CN220800567U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220800567U (en) | Pin device for fixing inclination angle of chair backrest | |
| CN208576461U (en) | A kind of ISOFIX retaining second lock mechanism | |
| CN201802740U (en) | Button absorbing disk mechanism | |
| CN110074570B (en) | Adjusting structure for furniture pressing rebound | |
| CN215292035U (en) | Two-way push-and-pull shower room door with buffer function | |
| CN215761008U (en) | Collision bead lock body with forced releasing function | |
| CN215949194U (en) | Buffering hinge and bathroom door | |
| CN216157469U (en) | Aluminum-plastic co-extrusion free rotation window | |
| CN216240206U (en) | Buffering safety automatic door closing hinge | |
| CN212979354U (en) | Powder tablet press | |
| CN211287311U (en) | Synchronous adjusting mechanism for furniture | |
| CN210422335U (en) | Sliding door and window hardware device | |
| CN113323524A (en) | Buffering hinge and bathroom door | |
| CN211974672U (en) | Novel aluminum alloy door and window is with closure device | |
| CN108713917B (en) | Intelligent lifting seat | |
| CN214498813U (en) | Two-way aluminum alloy window's of taking limit function window frame | |
| CN220980870U (en) | Display height adjusting structure | |
| CN111980516B (en) | Switching door subassembly and cooking device | |
| CN218644092U (en) | Pivot hinge base of armored door | |
| CN213962677U (en) | Width-adjustable fence | |
| CN211313644U (en) | Stainless steel door handle resistant to artificial hand sweat | |
| CN213487919U (en) | Seat extends back convenient to adjust | |
| CN220892029U (en) | Glass ball lamp with good household decoration effect | |
| CN217268568U (en) | Supporting component for network floor | |
| CN218942634U (en) | Oblique opening structure of drawer door of cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |