CN216033938U - Unlocking device of seat backrest - Google Patents
Unlocking device of seat backrest Download PDFInfo
- Publication number
- CN216033938U CN216033938U CN202122774191.5U CN202122774191U CN216033938U CN 216033938 U CN216033938 U CN 216033938U CN 202122774191 U CN202122774191 U CN 202122774191U CN 216033938 U CN216033938 U CN 216033938U
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- unlocking
- connecting rod
- plate
- steel wire
- seat
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Abstract
The utility model provides an unlocking device for a seat backrest, and belongs to the technical field of automobile seats. The backrest comprises a backrest framework, a backboard is fixed on the backrest framework, an unlocking connecting rod with a rotating function is riveted on the backboard through a rivet, a riveting point is located in the middle of the unlocking connecting rod, the left end of the unlocking connecting rod is connected with a longitudinally-arranged back pull belt and a reset tension spring for driving the left end of the unlocking connecting rod to move upwards, the right end of the unlocking connecting rod is connected with a steel wire pull line and a shoulder pull belt, the other end of the steel wire pull line is connected with an unlocking sheet of an angle adjuster, and when the back pull belt pulls downwards or the shoulder pull belt pulls upwards, the steel wire pull line drives the unlocking sheet to be adjusted to be in an unlocking state. The utility model has the advantages of simple structural design, more convenient unlocking sheet opening and the like.
Description
Technical Field
The utility model belongs to the technical field of automobile seats, and particularly relates to an unlocking device for a seat backrest.
Background
The angle adjustment and the falling of the automobile seat backrest are one of the main functions of the automobile rear-row seat, and the purpose is to increase the space of a trunk after the seat is placed at a proper sitting angle. At present, two common modes of backrest unlocking exist, and as shown in fig. 3, an unlocking sheet is welded on the axle center of the angle adjuster, and the unlocking sheet is connected through a pull wire to directly pull the pull wire to unlock. This method is low in cost, but the unlocking operation force is large. And a buckle or a lever and other mechanisms are added at the tail end of the pull wire to reduce unlocking operation force, so that the unlocking comfort level is high, but the cost is relatively high.
In addition, the existing unlocking mechanism has the trouble of unlocking behind the seat, such as unlocking the front seat by a rear passenger or unlocking the seat in a rear spare box.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an unlocking device for a seat back, which is simple in structure and more convenient to adjust.
The purpose of the utility model is realized as follows:
the utility model provides an unlocking device of seat back, includes the back skeleton, is fixed with the backplate on the back skeleton, has the unblock connecting rod that has the rotation function through rivet riveting on the backplate, and the riveting point is located the middle part of unblock connecting rod, and the left end of unblock connecting rod is connected with the back stretching strap of vertical setting and the extension spring that resets of drive unblock connecting rod left end rebound, and the right-hand member of unblock connecting rod is connected with the steel wire and draws line and shoulder stretching strap, the other end that the steel wire was drawn line is connected with the unblock piece of angle modulation ware, when the back stretching strap is drawed downwards or the shoulder stretching strap upwards stimulates, the unblock piece that the drive was adjusted is drawn line to the steel wire lets it be in the unblock state.
The utility model is further arranged in such a way that the angle adjusters are respectively arranged at two ends in the seat, the unlocking pieces of the adjuster are respectively connected with steel wire pull wires, and the steel wire pull wires connected with the unlocking pieces at the two ends are twisted and then connected with the right end of the unlocking connecting rod.
The utility model is further arranged in that the regulator comprises a housing fixed at the corner of the seat back and the seat cushion, an unlocking plate is arranged in the housing, an unlocking plate for locking or unlocking the unlocking plate is arranged in the coaxial direction of the unlocking plate, and one end of the unlocking plate is connected with the steel wire pull wire.
The utility model is further provided that the backrest framework is provided with a fixing box for placing the twisting position of the steel wire stay wire.
The utility model is further provided that a limiting plate is formed on the surface of the back plate, and when the back drawstring is pulled downwards or the shoulder drawstring is pulled upwards to the maximum distance, the side edge of the unlocking connecting rod is abutted against the limiting plate.
The utility model is further provided that a fixing ring for fixing the shoulder drawstring in a penetrating way is formed on the back plate.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:
the angle adjuster is simple and convenient to operate, unlocking of the angle adjuster can be achieved through the pull belts on the shoulders or the back, the structure design is simple, synchronous unlocking can be achieved through one device, the reset tension spring can effectively reset, and timely locking of the unlocking plate is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic illustration of a partial explosion of the present invention;
FIG. 3 is a schematic diagram of a prior art configuration of the present invention;
reference numerals:
1-a backrest frame; 2-a back plate; 20-riveting; 21-a limiting plate; 22-a fixed ring; 3-unlocking the connecting rod; 30-a return tension spring; 31-a steel wire pull wire; 32-a stationary box; 4-back pull belt; 5-shoulder drawstring; 6-angle adjuster; 60-unlocking the plate; 61-a housing; 62-unlocking the plate.
Detailed Description
The utility model will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which fig. 1-2:
the utility model provides an unlocking device of seat back, includes back skeleton 1, is fixed with backplate 2 on the back skeleton 1, has the unblock connecting rod 3 that has the rotation function through rivet 20 riveting on the backplate 2, and the riveting point is located the middle part of unblock connecting rod 3, and the left end of unblock connecting rod 3 is connected with the back stretching strap 4 of vertical setting and drives the extension spring 30 that resets that unblock connecting rod 3 left end rebound, and the right-hand member of unblock connecting rod 3 is connected with steel wire and acts as go-between 31 and shoulder stretching strap 5, the other end of steel wire acts as go-between 31 is connected with the unblock piece 60 of angle modulation ware 6, and when back stretching strap 4 stimulates downwards or shoulder stretching strap 5 stimulates upwards, the unblock piece 60 that steel wire 31 drive regulation was used is in the unblock state.
The unlocking connecting rod 3 can rotate at the riveting position of the unlocking connecting rod and the back plate 2, the reset tension spring 30 is utilized to enable the unlocking connecting rod to have clockwise rotation driving force, the back pull belt 5 arranged at the left end of the unlocking connecting rod 3 is pulled downwards to overcome the elasticity of the reset tension spring 30, so that a steel wire pull wire is driven, an unlocking sheet of the angle adjuster is further rotated to perform the function of opening and locking, and when a user uses the back pull belt, the user often needs to put down the backrest of the seat in the back direction of the seat;
the shoulder drawstring 5 arranged at the right end of the unlocking connecting rod is pulled upwards to overcome the elasticity of the reset tension spring, so that the steel wire stay wire is also driven, and the use condition is that the seat backrest is required to be laid down on the front side of the seat.
Preferably, the angle adjuster 6 is respectively arranged at two ends of the seat, the unlocking pieces 60 of the angle adjuster 6 are both connected with steel wire pull wires 31, and the steel wire pull wires 31 connected to the unlocking pieces 60 at the two ends are twisted and then connected with the right end of the unlocking connecting rod 3.
Preferably, the adjuster 6 includes a housing 61 fixed at a corner of the seat back and the seat cushion, the housing 61 is provided with the unlocking plate 60, the unlocking plate 62 for locking or unlocking the unlocking plate 60 is arranged in the coaxial direction of the unlocking plate 60, and one end of the unlocking plate 62 is connected to the wire cable 31.
Preferably, the backrest frame 3 is provided with a fixing box 32 for placing the twisting position of the steel wire 31.
It is worth mentioning that when the steel wire stay wire is divided into two parts, the bifurcation point is in a 'human' -shaped structure, and the fixing box 32 is arranged at the bifurcation point to protect the bifurcation point.
Preferably, a limiting plate 21 is formed on the surface of the back plate 2, and when the back pull belt 5 is pulled downwards or the shoulder pull belt 5 is pulled upwards to the maximum distance, the side edge of the unlocking connecting rod 3 abuts against the limiting plate 21. The rotation range of the unlocking connecting rod is limited, and normal use is guaranteed.
Preferably, a fixing ring 22 for fixing the shoulder drawstring 5 in a penetrating manner is formed on the back plate 2. The shoulder drawstring pulled upwards may fall due to gravity, and the fixing ring 22 is arranged to prevent the shoulder drawstring 5 from falling, thereby facilitating normal use.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (6)
1. An unlocking device of a seat backrest is characterized by comprising a backrest framework (1), a back plate (2) is fixed on the backrest framework (1), an unlocking connecting rod (3) with a rotating function is riveted on the back plate (2) through a rivet (20), a riveting point is positioned in the middle of the unlocking connecting rod (3), the left end of the unlocking connecting rod (3) is connected with a longitudinally arranged back pull belt (4) and a reset tension spring (30) for driving the left end of the unlocking connecting rod (3) to move upwards, the right end of the unlocking connecting rod (3) is connected with a steel wire pull wire (31) and a shoulder pull belt (5), the other end of the steel wire stay wire (31) is connected with an unlocking sheet (60) of the angle adjuster (6), when the back drawstring (4) is pulled downwards or the shoulder drawstring (5) is pulled upwards, the steel wire pull wire (31) drives the unlocking sheet (60) for adjustment to be in an unlocking state.
2. The unlocking device for a seat back according to claim 1, wherein the recliner (6) is respectively disposed at two ends of the seat, the unlocking piece (60) of the recliner (6) is connected with the steel wire pull (31), and the steel wire pull (31) connected to the unlocking pieces (60) at the two ends is twisted and then connected with the right end of the unlocking connecting rod (3).
3. The device for unlocking a seat back according to claim 1 or 2, wherein the recliner (6) comprises a housing (61) fixed at a corner of the seat back and the seat cushion, the unlocking plate (60) is disposed in the housing (61), an unlocking plate (62) for locking or unlocking the unlocking plate (60) is disposed in a coaxial direction of the unlocking plate (60), and one end of the unlocking plate (62) is connected to the wire stay (31).
4. The unlocking device of the seat back according to claim 2, characterized in that the back frame (1) is provided with a fixing box (32) for placing the twisting position of the steel wire pulling wire (31).
5. The unlocking device for a seat back according to claim 1, wherein the surface of the back plate (2) forms a limiting plate (21), and when the back pull belt (4) is pulled downwards or the shoulder pull belt (5) is pulled upwards to the maximum distance, the side edge of the unlocking connecting rod (3) is abutted against the limiting plate (21).
6. The unlocking device for a seat back according to claim 1, characterized in that a fixing ring (22) for fixing the shoulder drawstring (5) in a penetrating manner is formed on the back plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122774191.5U CN216033938U (en) | 2021-11-13 | 2021-11-13 | Unlocking device of seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122774191.5U CN216033938U (en) | 2021-11-13 | 2021-11-13 | Unlocking device of seat backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216033938U true CN216033938U (en) | 2022-03-15 |
Family
ID=80553224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122774191.5U Active CN216033938U (en) | 2021-11-13 | 2021-11-13 | Unlocking device of seat backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216033938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872592A (en) * | 2022-06-30 | 2022-08-09 | 江苏三乔智能科技有限公司 | Reversible bed-piecing seat and vehicle comprising same |
-
2021
- 2021-11-13 CN CN202122774191.5U patent/CN216033938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872592A (en) * | 2022-06-30 | 2022-08-09 | 江苏三乔智能科技有限公司 | Reversible bed-piecing seat and vehicle comprising same |
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