CN213799345U - Automobile seat backrest lock - Google Patents
Automobile seat backrest lock Download PDFInfo
- Publication number
- CN213799345U CN213799345U CN202022407799.XU CN202022407799U CN213799345U CN 213799345 U CN213799345 U CN 213799345U CN 202022407799 U CN202022407799 U CN 202022407799U CN 213799345 U CN213799345 U CN 213799345U
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- linkage
- pull rod
- latch hook
- base
- lock
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Abstract
The utility model relates to a car seat back lock, including base, apron, latch hook device, zip fastener device, all be equipped with hasp embedding bayonet socket on base and the apron, the latch hook device includes big latch hook, big latch hook universal driving shaft, release mechanism, the release mechanism linkage has, its characterized in that: the zip device includes pull rod, linkage, the linkage be equipped with can with the first link of pull rod linkage and with the second link of acting as go-between linkage, first link is equipped with the locating hole, the pull rod is located the one end of being connected with the linkage and is equipped with the post of inserting that can with locating hole fixed connection, first link is equipped with the fastening structure that can carry out fixed connection with linkage and pull rod, the apron is equipped with the noise elimination device, the beneficial effects of the utility model are that: the automobile seat backrest lock has no abnormal sound, long service life and low cost.
Description
Technical Field
The utility model relates to the technical field of auto-parts, concretely relates to car seat back lock.
Background
Because of the continuous improvement of social economy, people's tools of riding instead of walk are gradually replaced by the car, and require higher and higher quality requirement to the use of car, so derived the back lock on the one hand to car seat, can be convenient for people to adjust seat height, back angle etc.. The backrest lock mainly comprises a base, a cover plate and a lock hook device which is arranged between the base and the cover plate and used for opening and closing a lock catch of an automobile seat, wherein the lock hook device is linked with a zipper assembly, in the prior art, the zipper assembly and the pull wire linkage part are usually welded, and the welding mode easily has the following defects: firstly, there is the welding seam, easy fracture, joint strength is not high, and life is shorter, secondly there is the slope by the plane of welding spare part, and directional tolerance value is great, so the transmission efficiency of power descends, uses inconveniently, and thirdly the cost of welding is higher, uneconomic.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide a car seat back lock, the no abnormal sound, long service life, cost reduction.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a car seat backrest lock comprises a base and a cover plate fixedly connected with the base, an installation space is arranged between the base and the cover plate, a lock hook device which is linked with the base and the cover plate is arranged in the installation space, car body locks can movably enter and exit and lock hook embedding bayonets which correspond to each other in position are arranged on the base and the cover plate, the lock hook device comprises a large lock hook, the large lock hook is linked with a large lock hook linkage shaft, two ends of the large lock hook linkage shaft are respectively and fixedly connected with the base and the cover plate, the large lock hook is linked with an unlocking mechanism, the unlocking mechanism is linked with a zipper device, the car seat backrest lock is characterized in that the zipper device comprises a pull rod linked with the unlocking mechanism, the pull rod is linked with a linkage connecting end which can be linked with a pull wire relative to the other end of the linkage unlocking mechanism, the linkage part is provided with a first connecting end which can be linked with the pull rod and a second connecting end which is linked with the pull wire, the first connecting end is provided with a positioning hole, the pull rod is provided with an inserting column which is positioned at one end connected with the linkage piece and can be fixedly connected with the positioning hole, and the first connecting end is provided with a fastening structure which can fixedly connect the linkage piece and the pull rod.
Adopt above-mentioned technical scheme, abandon the welding mode, through improving pull rod and linkage structure, set up the post of inserting at the pull rod tip, the linkage tip sets up the locating hole, calibration location when can realize pull rod and linkage assembly, the terminal surface that reduces the linkage and the central axis deviation volume of pull rod, the directional tolerance value of prior art of comparing is littleer, can reach the machining precision requirement during the installation, further through setting up fastening structure, can carry out the rigidity to pull rod and linkage both, avoid both to take place the displacement change, and need not the welding, prior art compares, no welding seam, difficult fracture, thereby increase of service life, manufacturing cost descends, need not welding process.
The above-mentioned automobile seat back lock may further be configured as follows: the fastening structure comprises a grabbing plate assembly fixedly arranged at the second connecting end, and a profiling cavity which can be attached to the periphery of the pull rod in an encircling manner is arranged in the middle of the grabbing plate assembly in a penetrating manner.
The above-mentioned automobile seat back lock may further be configured as follows: the grabbing plate assembly comprises grabs symmetrically arranged on two sides of the second connecting end, and gaps capable of being elastically matched with the pull rods are formed between the end portions of the grabs symmetrically arranged.
Adopt above-mentioned technical scheme, through setting the fastening structure to symmetrical tongs, constitute annular locking structure, structural stability is strong, difficult deformation, and prior art compares, and the solderless seam more does not have the welding slag to exist, and further the outward appearance is better, has more the degree of distinguishing, and sets up the breach between the tongs, can carry out the self-adaptation fine setting according to the size of pull rod, because the pull rod has unavoidable machining error in the course of working, and through this change of adaptation that the breach can be fine, thereby guarantee joint strength.
The above-mentioned automobile seat back lock may further be configured as follows: the cover plate is provided with an abnormal sound eliminating device, and the abnormal sound eliminating device is positioned at the end part of the lock catch embedding bayonet.
The above-mentioned automobile seat back lock may further be configured as follows: the abnormal sound eliminating device comprises an elastic piece, the cover plate is provided with an installation seat distributed at the end part of the lock catch embedding bayonet, the installation seat is provided with an opening towards the lock catch embedding bayonet, the elastic piece is embedded in the installation seat through the opening, and the end part of the elastic piece extends outwards and exceeds the opening of the installation seat.
By adopting the technical scheme, the lock catch is extremely easy to collide with the lock catch embedding bayonet in the opening and closing process of the vehicle body lock catch, so that abnormal sound is generated, and the abnormal sound can be eliminated in a targeted manner by arranging the abnormal sound eliminating device, so that the use performance is improved.
The above-mentioned automobile seat back lock may further be configured as follows: the mounting base is provided with a skylight corresponding to two sides of the other end of the opening, the elastic piece is provided with a convex angle corresponding to the skylight, and the convex angle penetrates through the skylight and extends outwards when the elastic piece is mounted.
Adopt above-mentioned technical scheme, improve the structure of mount pad and elastic component, through the cooperation form that sets up skylight and salient angle, replace traditional elastic component mounting means, can practice thrift the cost of labor, and the assembly is simple.
The utility model has the advantages that: by adopting the technical scheme, a welding mode is abandoned, the structure of the pull rod and the linkage part is improved, the inserted column is arranged at the end part of the pull rod, the positioning hole is arranged at the end part of the linkage part, the calibration positioning during the assembly of the pull rod and the linkage part can be realized, the deviation between the end surface of the linkage part and the central axis of the pull rod is reduced, compared with the prior art, the directional tolerance value is smaller, the annular locking structure is further formed by arranging the fastening structure comprising the symmetrical grippers, the structure has strong stability, difficult deformation and fracture, the service life is prolonged, no welding seam exists, no welding slag exists, the manufacturing cost is reduced, the welding process is not needed, the appearance is better, the identification degree is better, the gap is arranged between the grippers, the self-adaptive fine adjustment can be carried out according to the size of the pull rod, and the processing error inevitably exists in the processing process due to the gap, the change can be well adapted through the gap, thereby ensuring the connection strength; further through set up the abnormal sound device that disappears at hasp embedding bayonet socket, can have pointed the abnormal sound of eliminating, promote performance.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention;
fig. 2 is an exploded schematic view of a zipper assembly according to an embodiment of the present invention;
fig. 3 is a schematic view of the assembly completion state of the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 3, an automobile seat backrest lock comprises a base 1 and a cover plate 2 fixedly connected with the base 1, an installation space is provided between the base 1 and the cover plate 2, a locking hook device 3 linked with the base 1 and the cover plate 2 is provided in the installation space, locking hook embedding bayonets 4 corresponding to the mutual positions and allowing locking hooks of an automobile body to movably enter and exit are provided on both the base 1 and the cover plate 2, the locking hook device 3 comprises a large locking hook 31, the large locking hook 31 is linked with a large locking hook linkage shaft 32, both ends of the large locking hook linkage shaft 32 are respectively fixedly connected with the base 1 and the cover plate 2, the large locking hook 31 is linked with an unlocking mechanism 33, the unlocking mechanism 33 is linked with a zipper device 5, the zipper device 5 comprises a pull rod 51 linked with the unlocking mechanism 33, the pull rod 51 is linked with a linkage piece 52 linked with the pull rod relative to the other end of the linkage unlocking mechanism 33, the linkage piece 52 is provided with a first connecting end 521 capable of being in linkage with the pull rod 51 and a second connecting end 522 capable of being in linkage with the pull wire, the first connecting end 521 is provided with a positioning hole 5211, one end, connected with the linkage piece 52, of the pull rod 51 is provided with an inserting column 511 capable of being fixedly connected with the positioning hole 5211, and the first connecting end 521 is provided with a fastening structure capable of fixedly connecting the linkage piece 52 with the pull rod 51. The fastening structure comprises a grabbing plate assembly fixedly arranged at the second connecting end 522, and a profiling cavity 5223 which can be attached to the periphery of the pull rod 51 in an encircling manner is arranged in the middle of the grabbing plate assembly in a penetrating manner. The grasping plate assembly comprises symmetrically arranged grasping arms 5221 at two sides of the second connecting end 522, and notches 5222 capable of elastically adapting to the pull rod 51 are arranged between the end parts of the symmetrically arranged grasping arms 5221. The cover plate 2 is provided with an abnormal sound eliminating device which is positioned at the end part of the lock catch embedding bayonet 4. The abnormal sound eliminating device comprises an elastic piece 6, the cover plate 2 is provided with an installation seat 7 distributed at the end part of the lock catch embedding bayonet 4, the installation seat 7 is provided with an opening towards the lock catch embedding bayonet 4, the elastic piece 6 is embedded in the installation seat 7 through the opening, and the end part of the elastic piece 6 extends outwards and exceeds the opening of the installation seat 7. The two sides of the mounting seat 7 opposite to the other end provided with the opening are respectively provided with a skylight 71, the elastic piece is provided with a convex angle 61 corresponding to the skylight 71, and the convex angle 61 penetrates through the skylight 71 and extends outwards when the elastic piece is mounted.
Claims (6)
1. The utility model provides a car seat back lock, includes the base and with base fixed connection's apron, be equipped with installation space between base and the apron, be equipped with the latch hook device with base, apron linkage in the installation space, all be equipped with the mobile hasp embedding bayonet socket that comes in and go out and mutual position corresponds of automobile body hasp on base and the apron, the latch hook device includes big latch hook, big latch hook linkage has big latch hook universal driving shaft, big latch hook universal driving shaft both ends respectively with base and apron fixed connection, big latch hook linkage has release mechanism, the release mechanism linkage has the zip fastener device, its characterized in that: the zipper device comprises a pull rod linked with an unlocking mechanism, a linkage piece linked with a pull wire is linked on the pull rod relative to the other end of the linkage unlocking mechanism, the linkage piece is provided with a first connecting end linked with the pull rod and a second connecting end linked with the pull wire, the first connecting end is provided with a positioning hole, an inserting column fixedly connected with the positioning hole is arranged at one end, connected with the linkage piece, of the pull rod, and a fastening structure capable of fixedly connecting the linkage piece and the pull rod is arranged at the first connecting end.
2. A car seat back lock according to claim 1, wherein: the fastening structure comprises a grabbing plate assembly fixedly arranged at the second connecting end, and a profiling cavity which can be attached to the periphery of the pull rod in an encircling manner is arranged in the middle of the grabbing plate assembly in a penetrating manner.
3. A car seat back lock according to claim 2, wherein: the grabbing plate assembly comprises grabs symmetrically arranged on two sides of the second connecting end, and gaps capable of being elastically matched with the pull rods are formed between the end portions of the grabs symmetrically arranged.
4. A car seat back lock according to claim 1, wherein: the cover plate is provided with an abnormal sound eliminating device, and the abnormal sound eliminating device is positioned at the end part of the lock catch embedding bayonet.
5. The lock for a seat back of a vehicle as set forth in claim 4, wherein: the abnormal sound eliminating device comprises an elastic piece, the cover plate is provided with an installation seat distributed at the end part of the lock catch embedding bayonet, the installation seat is provided with an opening towards the lock catch embedding bayonet, the elastic piece is embedded in the installation seat through the opening, and the end part of the elastic piece extends outwards and exceeds the opening of the installation seat.
6. The lock for a seat back of a vehicle as claimed in claim 5, wherein: the mounting base is provided with a skylight corresponding to two sides of the other end of the opening, the elastic piece is provided with a convex angle corresponding to the skylight, and the convex angle penetrates through the skylight and extends outwards when the elastic piece is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407799.XU CN213799345U (en) | 2020-10-26 | 2020-10-26 | Automobile seat backrest lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407799.XU CN213799345U (en) | 2020-10-26 | 2020-10-26 | Automobile seat backrest lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213799345U true CN213799345U (en) | 2021-07-27 |
Family
ID=76961685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022407799.XU Active CN213799345U (en) | 2020-10-26 | 2020-10-26 | Automobile seat backrest lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213799345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179402A1 (en) * | 2022-03-25 | 2023-09-28 | 北京车和家汽车科技有限公司 | Mounting base and vehicle |
-
2020
- 2020-10-26 CN CN202022407799.XU patent/CN213799345U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179402A1 (en) * | 2022-03-25 | 2023-09-28 | 北京车和家汽车科技有限公司 | Mounting base and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230927 Address after: 247100 Forest Farm Group, Zhongzhou Village, Nixi Town, Dongzhi County, Chizhou City, Anhui Province Patentee after: Anhui Hengguo Automotive Parts Co.,Ltd. Address before: 247100 No.8, forest farm group, Zhongzhou village, Nixi Town, Dongzhi County, Chizhou City, Anhui Province Patentee before: Yao Guoqiang |
|
| TR01 | Transfer of patent right |