CN221023361U - Bidirectional unlocking mechanism for automobile seat backrest - Google Patents
Bidirectional unlocking mechanism for automobile seat backrest Download PDFInfo
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- CN221023361U CN221023361U CN202322614713.4U CN202322614713U CN221023361U CN 221023361 U CN221023361 U CN 221023361U CN 202322614713 U CN202322614713 U CN 202322614713U CN 221023361 U CN221023361 U CN 221023361U
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- unlocking
- rotating shaft
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- handle
- locking
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- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 230000002457 bidirectional effect Effects 0.000 title abstract description 8
- 230000035939 shock Effects 0.000 claims description 13
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of automobile seats, and particularly relates to a bidirectional unlocking mechanism for an automobile seat backrest, which comprises a seat framework, an unlocking button and a locking assembly; the unlocking button comprises an unlocking support, a rotating shaft support and an unlocking handle, and a first rotating shaft and a second rotating shaft are respectively connected to the two sides of the rotating shaft support in a rotating mode; the two sides of the unlocking handle are respectively provided with a first operation part and a second operation part, the unlocking handle covers the upper part of the rotating shaft bracket, the first operation part of the unlocking handle is rotatably arranged on a first rotating shaft, and a first torsion spring is sleeved on the first rotating shaft; the unlocking support is positioned below the rotating shaft support and is rotatably arranged on a second rotating shaft, and a second torsion spring is sleeved on the second rotating shaft; the locking assembly comprises a locking plate and a inhaul cable, the locking plate is connected with the angle adjuster, one end of the inhaul cable is connected with the locking plate, and the other end of the inhaul cable is connected with the unlocking handle; the unlocking device solves the problems that an existing unlocking device can only unlock on one side and is inconvenient to operate and use.
Description
Technical Field
The utility model belongs to the technical field of automobile seats, and particularly relates to a bidirectional unlocking mechanism for an automobile seat backrest.
Background
With the continuous development of science and technology and the automobile industry, the requirements of people on various performances of automobiles are higher and higher. The traditional automobile is because the interference of back row seat back, and the storing space of trunk is fixed, in order to satisfy people's cargo or storing demand, improves the utilization ratio of car interior space, and partial motorcycle type on the market designs back row seat into collapsible seat, after folding back to the horizontality forward, can make the automobile evacuation after with the trunk intercommunication to increase the storing space.
The Chinese patent No. CN 205381162U discloses a bidirectional unlocking device for an automobile seat, which comprises: the unlocking buckle comprises an operation part, a first connecting part and a second connecting part; the fixing seat comprises a third rotating shaft fixing hole and a fourth rotating shaft fixing hole; one end of the rotating pin passes through the first rotating shaft fixing hole and then is matched with the third rotating shaft fixing hole, and the other end of the rotating pin passes through the second rotating shaft fixing hole and then is matched with the fourth rotating shaft fixing hole, so that the unlocking buckle is rotatably connected with the fixing seat. The unlocking device has the advantages that the bidirectional stay wire unlocking structure is adopted, the unlocking synchronism is guaranteed, the unlocking can be realized in one step, the unlocking device has strong practicability, the unlocking buckle can be unlocked only by pulling the unlocking buckle to one side, the unlocking buckle cannot be pulled and unlocked on the other side, the unlocking device has certain limitation, the unlocking device can only stand at the position of a rear seat to unlock the backrest, and if the unlocking device stands at the position of a trunk to unlock the backrest, the unlocking buckle is required to be operated reversely, so that the unlocking device is inconvenient to use.
Disclosure of utility model
The utility model aims to provide a bidirectional unlocking mechanism for a backrest of an automobile seat, which solves the problems that the existing unlocking device can only unlock on one side and is inconvenient to operate and use.
In order to solve the technical problems, the utility model provides the following technical scheme:
A bidirectional unlocking mechanism of an automobile seat backrest comprises a seat framework, an unlocking button and a locking assembly;
the seat framework comprises a backrest framework and a seat frame framework, and the backrest framework and the seat frame framework are connected into a whole through an angle adjuster;
The unlocking button comprises an unlocking support, a rotating shaft support and an unlocking handle, and a first rotating shaft and a second rotating shaft are respectively connected to the two sides of the rotating shaft support in a rotating mode; the unlocking handle is covered above the rotating shaft bracket, the first operating part of the unlocking handle is rotatably arranged on a first rotating shaft, a first torsion spring is sleeved on the first rotating shaft, and the first torsion spring is used for resetting the unlocking handle; the unlocking support is positioned below the rotating shaft support, the unlocking support is rotatably arranged on a second rotating shaft, a second torsion spring is sleeved on the second rotating shaft, and the second torsion spring is used for resetting the unlocking handle and the rotating shaft support;
The locking subassembly is used for the unblock angle modulation ware, and the locking subassembly includes locking plate and cable, and the locking plate is connected with the angle modulation ware, and the one end and the locking plate of cable are connected, and the other end of cable runs through unblock support, pivot support in proper order and is connected with the bottom of unblock handle.
Further, a first transverse groove and a second transverse groove are respectively formed in two sides of the unlocking support, and a first operation part and a second operation part of the unlocking handle are respectively positioned in the first transverse groove and the second transverse groove; the middle part of the unlocking support is provided with a vertical groove, and the bottom of the vertical groove is provided with a mounting hole; the middle part of the rotating shaft bracket is provided with a through hole, the bottom of the unlocking handle is provided with a connecting block, and the connecting block penetrates through the through hole of the rotating shaft bracket and is positioned in the vertical groove; the cable passes the mounting hole and connects on the connecting block.
Further, the backrest framework comprises two backrest side plates which are arranged in parallel, the seat frame framework comprises two seat frame side plates which are arranged in parallel, and the backrest side plates and the seat frame side plates on the same side are connected into a whole through the angle adjuster.
Further, the locking assembly further comprises a fixing plate and a Y-shaped inhaul cable, the fixing plate is arranged on the backrest framework, and a linkage plate is rotatably arranged on the fixing plate; one end of the Y-shaped inhaul cable is connected with the linkage plate, the other two ends of the Y-shaped inhaul cable are connected with the locking plates, and the two locking plates are respectively connected with the two angle adjusters; one end of the inhaul cable, which is far away from the unlocking button, is connected with the linkage plate, and a tension spring is arranged between the fixed plate and the linkage plate and is used for resetting the linkage plate.
Further, a first shock pad is arranged between the unlocking support and the rotating shaft support, and a second shock pad is arranged between the unlocking handle and the rotating shaft support.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. When the backrest of the seat is unlocked, the first operation part of the unlocking handle can be pulled upwards to enable the unlocking handle to rotate upwards around the second rotating shaft, and the second operation part of the unlocking handle can be pulled upwards to enable the unlocking handle to rotate upwards around the first rotating shaft, and the angle adjuster can be unlocked through the locking assembly in both operation modes; compared with an unlocking buckle capable of swinging and unlocking only on one side in the prior art, the unlocking buckle can conveniently and rapidly unlock the seat back no matter stand at the position of the rear seat or the position of the trunk, and has strong practicability.
2. According to the utility model, by arranging the first shock pad and the second shock pad, the shock and noise generated when the rotating shaft bracket rebounds and the unlocking handle rebounds can be absorbed, the unlocking button is prevented from being damaged, and the use comfort is improved.
3. The utility model has simple structure, less parts and low manufacturing cost.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
Fig. 2 is a schematic perspective view and an exploded view of an unlocking button of the present utility model;
Fig. 3 is a schematic view of a partial perspective structure of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include:
a seat frame 1, a backrest side plate 11, a seat frame side plate 12, and an angle adjuster 13;
The unlocking button 2, the unlocking support 21, the first shock pad 211, the first transverse groove 212, the second transverse groove 213, the vertical groove 214, the mounting hole 215, the limiting hole 216, the rotating shaft bracket 22, the second shock pad 221, the through hole 222, the first limiting part 223, the second limiting part 224, the unlocking handle 23, the first operating part 231, the second operating part 232, the connecting block 233, the limiting block 234, the first rotating shaft 24, the first torsion spring 241, the second rotating shaft 25 and the second torsion spring 251;
The locking assembly 3, a guy cable 31, a Y-shaped guy cable 32, a fixed plate 33, a linkage plate 34, a tension spring 35 and a locking plate 36.
Examples
As shown in fig. 1, a bi-directional unlocking mechanism for a car seat back includes a seat frame 1, an unlocking button 2, and a locking assembly 3.
As shown in fig. 1, the seat frame 1 includes a back frame including two side back plates 11 arranged in parallel, and a seat frame including two side seat frame plates 12 arranged in parallel, the side back plates 11 and the side seat plates 12 on the same side being connected as a unit through an angle adjuster 13.
As shown in fig. 2-3, the unlocking button 2 comprises an unlocking support 21, a rotating shaft support 22 and an unlocking handle 23, wherein a first rotating shaft 24 and a second rotating shaft 25 are respectively connected to the left side and the right side of the rotating shaft support 22 in a rotating manner; the left side and the right side of the unlocking support 21 are respectively provided with a first transverse groove 212 and a second transverse groove 213, the left side and the right side of the unlocking handle 23 are respectively provided with a first operation part 231 and a second operation part 232, the unlocking handle 23 is covered above the rotating shaft bracket 22, and the first operation part 231 and the second operation part 232 are respectively positioned in the first transverse groove 212 and the second transverse groove 213 of the unlocking support 21; the first operation part 231 of the unlocking handle 23 is rotatably connected with both ends of the first rotating shaft 24, the unlocking support 21 is positioned below the rotating shaft support 22, and both ends of the second rotating shaft 25 are rotatably connected with both sides of the unlocking support 21.
As shown in fig. 2-3, two limiting blocks 234 are welded on the left side of the bottom of the unlocking handle 23, a first limiting part 223 and a second limiting part 224 are respectively formed on the left side and the right side of the rotating shaft bracket 22, and two limiting holes 216 are formed on the right side of the unlocking support 21; the first rotating shaft 24 and the second rotating shaft 25 are respectively sleeved with a first torsion spring 241 and a second torsion spring 251, the first torsion spring 241 is used for resetting the unlocking handle 23, the middle part of the first torsion spring 241 is hung on the first limiting part 223, and two ends of the first torsion spring 241 are respectively hooked on the two limiting blocks 234 of the unlocking handle 23; the second torsion spring 251 is used for resetting the unlocking handle 23 and the rotating shaft bracket 22, the middle part of the second torsion spring 251 is hung on the second limiting part 224, and two ends of the second torsion spring 251 are respectively hooked on the unlocking support 21 through two limiting holes 216.
As shown in fig. 2-3, a vertical groove 214 is formed in the middle of the unlocking support 21, and a mounting hole 215 is formed in the bottom of the vertical groove 214; the middle part of the rotating shaft support 22 is provided with a through hole 222, the bottom of the unlocking handle 23 is welded with a connecting block 233, and the connecting block 233 passes through the through hole 222 of the rotating shaft support 22 and is positioned in the vertical groove 214.
As shown in fig. 1-3, the locking assembly 3 is used for unlocking the angle adjuster 13, the locking assembly 3 comprises a pull rope 31, a Y-shaped pull rope 32, a fixed plate 33, a linkage plate 34 and a tension spring 35, the fixed plate 33 is installed on a backrest framework, the linkage plate 34 is rotatably installed on the fixed plate 33, one end of the pull rope 31 passes through an installation hole 215 on the unlocking support 21 to be connected with a connecting block 233 of the unlocking handle 23, and the other end of the pull rope 31 is connected with the left end of the linkage plate 34; one end of the Y-shaped inhaul cable 32 is connected with the right end of the linkage plate 34, the other two ends of the Y-shaped inhaul cable 32 are connected with the locking plates 36, and the two locking plates 36 are respectively connected with the two angle adjusters 13; two ends of a tension spring 35 are respectively hooked on the left end of the linkage plate 34 and the fixed plate 33, and the tension spring 35 is used for resetting the linkage plate 34.
When the seat backrest is unlocked at the rear seat position, the first operation part 231 of the unlocking handle 23 is pulled upwards, the unlocking handle 23 and the rotating shaft support 22 rotate upwards around the second rotating shaft 25, one end of the stay rope 31 connected with the connecting block 233 moves upwards along with the unlocking handle 23, the other end of the stay rope 31 drives the linkage plate 34 to rotate clockwise against the pulling force of the tension spring 35, one end of the Y-shaped stay rope 32 connected with the linkage plate 34 moves along with the linkage plate 34, and the other two ends of the Y-shaped stay rope 32 respectively drive the two locking plates 36 to rotate so as to unlock the angle adjuster 13; after the backrest framework is folded forwards to be in a parallel state, the unlocking handle 23 is loosened, the unlocking handle 23 and the rotating bracket are reset under the action of the second torsion spring 251, and the stay cable 31, the Y-shaped stay cable 32, the linkage plate 34 and the locking plate 36 are reset under the action of the tension spring 35, so that the angle adjuster 13 is locked again.
When the seat backrest is unlocked at the position of the back box, the second operation part 232 of the unlocking handle 23 is pulled upwards, the unlocking handle 23 rotates upwards around the first rotating shaft 24, the unlocking handle 23 unlocks the angle adjuster 13 through the locking component 3, and the unlocking process is the same as the above; after the backrest framework is folded, the unlocking button 2 is reset under the action of the first torsion spring 241, the locking component 3 is reset under the action of the tension spring 35, and the angle adjuster 13 is locked again.
According to the utility model, the unlocking of the seat back can be realized through the two operation modes, and the seat back can be conveniently and quickly unlocked no matter in the back row seat position or the trunk position, so that the unlocking device has strong practicability; and the device also has the advantages of simple structure, less parts and components and low manufacturing cost.
As shown in fig. 3, two first shock pads 211 are installed at the left side of the unlocking support 21, and the two first shock pads 211 are used for absorbing shock and noise generated by striking the unlocking support 21 when the rotating shaft support 22 rebounds; two second shock-absorbing pads 221 are installed on the right side of the rotating shaft bracket 22, and the two second shock-absorbing pads 221 are used for absorbing shock and noise generated by striking the rotating shaft bracket 22 when the unlocking handle 23 rebounds; avoid unlocking button 2 damage, increase of service life improves the use travelling comfort.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. A two-way release mechanism of car seat back, its characterized in that: comprises a seat framework, an unlocking button and a locking component;
the seat framework comprises a backrest framework and a seat frame framework, and the backrest framework and the seat frame framework are connected into a whole through an angle adjuster;
The unlocking button comprises an unlocking support, a rotating shaft support and an unlocking handle, and a first rotating shaft and a second rotating shaft are respectively connected to the two sides of the rotating shaft support in a rotating mode; the unlocking handle is covered above the rotating shaft bracket, the first operating part of the unlocking handle is rotatably arranged on a first rotating shaft, a first torsion spring is sleeved on the first rotating shaft, and the first torsion spring is used for resetting the unlocking handle; the unlocking support is positioned below the rotating shaft support, the unlocking support is rotatably arranged on a second rotating shaft, a second torsion spring is sleeved on the second rotating shaft, and the second torsion spring is used for resetting the unlocking handle and the rotating shaft support;
The locking subassembly is used for the unblock angle modulation ware, and the locking subassembly includes locking plate and cable, and the locking plate is connected with the angle modulation ware, and the one end and the locking plate of cable are connected, and the other end of cable runs through unblock support, pivot support in proper order and is connected with the bottom of unblock handle.
2. The bi-directional unlocking mechanism of an automotive seat back according to claim 1, wherein: the unlocking support is characterized in that a first transverse groove and a second transverse groove are respectively formed in two sides of the unlocking support, and a first operation part and a second operation part of the unlocking handle are respectively positioned in the first transverse groove and the second transverse groove; the middle part of the unlocking support is provided with a vertical groove, and the bottom of the vertical groove is provided with a mounting hole; the middle part of the rotating shaft bracket is provided with a through hole, the bottom of the unlocking handle is provided with a connecting block, and the connecting block penetrates through the through hole of the rotating shaft bracket and is positioned in the vertical groove; the cable passes the mounting hole and connects on the connecting block.
3. The bi-directional unlocking mechanism of an automotive seat back according to claim 1, wherein: the backrest framework comprises two backrest side plates which are arranged in parallel, the seat frame framework comprises two seat frame side plates which are arranged in parallel, and the backrest side plates and the seat frame side plates on the same side are connected into a whole through the angle adjuster.
4. A bi-directional unlocking mechanism for a car seat back according to claim 3, wherein: the locking assembly further comprises a fixing plate and a Y-shaped inhaul cable, the fixing plate is arranged on the backrest framework, and a linkage plate is rotatably arranged on the fixing plate; one end of the Y-shaped inhaul cable is connected with the linkage plate, the other two ends of the Y-shaped inhaul cable are connected with the locking plates, and the two locking plates are respectively connected with the two angle adjusters; one end of the inhaul cable, which is far away from the unlocking button, is connected with the linkage plate, and a tension spring is arranged between the fixed plate and the linkage plate and is used for resetting the linkage plate.
5. The bi-directional unlocking mechanism of an automotive seat back according to claim 1, wherein: a first shock pad is arranged between the unlocking support and the rotating shaft support, and a second shock pad is arranged between the unlocking handle and the rotating shaft support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322614713.4U CN221023361U (en) | 2023-09-26 | 2023-09-26 | Bidirectional unlocking mechanism for automobile seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322614713.4U CN221023361U (en) | 2023-09-26 | 2023-09-26 | Bidirectional unlocking mechanism for automobile seat backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221023361U true CN221023361U (en) | 2024-05-28 |
Family
ID=91131776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322614713.4U Active CN221023361U (en) | 2023-09-26 | 2023-09-26 | Bidirectional unlocking mechanism for automobile seat backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221023361U (en) |
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2023
- 2023-09-26 CN CN202322614713.4U patent/CN221023361U/en active Active
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