CN220842283U - Linkage structure of automobile seat backrest - Google Patents
Linkage structure of automobile seat backrest Download PDFInfo
- Publication number
- CN220842283U CN220842283U CN202322557205.7U CN202322557205U CN220842283U CN 220842283 U CN220842283 U CN 220842283U CN 202322557205 U CN202322557205 U CN 202322557205U CN 220842283 U CN220842283 U CN 220842283U
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- China
- Prior art keywords
- plate
- linkage
- unlocking
- backrest
- side plate
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- 239000002184 metal Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 1
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- Seats For Vehicles (AREA)
Abstract
The utility model discloses an automobile seat backrest linkage structure, which comprises a backrest side plate, a seat frame side plate, a fixed shaft and a rotating shaft; the fixed shaft is fixed on the seat frame side plate, the fixed shaft is rotationally connected with a linkage plate and an unlocking plate, the unlocking plate is provided with a inhaul cable for unlocking the seat slide rail, and the linkage plate can prop against the unlocking plate and drive the unlocking plate to rotate; the rotating shaft is rotationally connected with the seat frame side plate, one end of the rotating shaft is detachably and fixedly connected to the backrest side plate, the other end of the rotating shaft is fixedly provided with a poking piece, and the poking piece can prop against the linkage plate and drive the linkage plate to rotate; the linkage plate and the unlocking plate are respectively provided with a first return spring and a second return spring, after the pulling piece is far away from the linkage plate, the first return spring drives the linkage plate to reset, and the second return spring drives the unlocking plate and the inhaul cable to reset; the backrest linkage mechanism solves the problems that an existing backrest linkage mechanism is complex in structure, difficult to assemble and troublesome to maintain and replace.
Description
Technical Field
The utility model belongs to the technical field of automobile seats, and particularly relates to an automobile seat backrest linkage structure.
Background
For some SUVs, MPV type cars or sedans, in driving, in order to facilitate passengers to enter rear seats or increase storage space in the car, a backrest linkage mechanism is usually arranged on the seats, and when in use, the front seats are laid down or folded at a certain angle and moved forward so as to make enough space for realizing the purpose of giving way. However, the existing backrest linkage mechanism is complex, more parts and components are needed, the assembly difficulty is increased, the assembly efficiency is greatly reduced, and the later maintenance and replacement are troublesome.
Disclosure of utility model
The utility model aims to provide an automobile seat backrest linkage mechanism, which aims to solve the problems of complex structure, difficult assembly and troublesome maintenance and replacement of the existing backrest linkage mechanism.
In order to solve the technical problems, the utility model provides the following technical scheme:
a linkage structure of a backrest of an automobile seat comprises a backrest side plate, a seat frame side plate, a fixed shaft and a rotating shaft;
The fixed shaft is fixed on the seat frame side plate, the fixed shaft is rotationally connected with a linkage plate and an unlocking plate, the unlocking plate is provided with a inhaul cable for unlocking the seat slide rail, and the linkage plate can prop against the unlocking plate and drive the unlocking plate to rotate;
The rotating shaft is rotationally connected with the seat frame side plate, one end of the rotating shaft is detachably and fixedly connected to the backrest side plate, the other end of the rotating shaft is fixedly provided with a poking piece, and the poking piece can prop against the linkage plate and drive the linkage plate to rotate;
And the linkage plate and the unlocking plate are respectively provided with a first return spring and a second return spring, and after the pulling piece is far away from the linkage plate, the first return spring drives the linkage plate to reset, and the second return spring drives the unlocking plate and the inhaul cable to reset.
Further, the seat frame sideboard is provided with a mounting hole, a shaft sleeve is arranged in the mounting hole, the rotating shaft is rotatably arranged in the mounting hole, and one side of the seat frame sideboard, which is close to the backrest sideboard, is provided with a metal bushing.
Further, a fixed pin is arranged at one end of the linkage plate, which is close to the poking plate, and the poking plate can prop against the fixed pin and drive the linkage plate to rotate; one side of the unlocking plate connected with the fixed shaft is provided with a first bulge, and the first bulge is propped against the linkage plate.
Further, a limiting plate is arranged on the seat frame side plate, a second bulge is arranged on the unlocking plate, and the second bulge abuts against the limiting plate.
Further, the first return spring and the second return spring are both coil springs sleeved on the fixed shaft, one end of each coil spring is connected with the fixed shaft, and the other end of each coil spring is connected with the linkage plate or the unlocking plate. .
Further, a limit post for preventing the backrest from leaning back is arranged on the seat frame side plate, and when the backrest side plate is in a vertical state, the lower edge of the backrest side plate is abutted against the limit post.
Further, the rotating shaft is fixedly arranged on the backrest side plate through a nut, and the poking piece is welded with the rotating shaft.
Further, the seat frame side plate is provided with a mounting plate, and one end of the stay cable, which is far away from the locking plate, is mounted on the mounting plate.
According to the utility model, the poking piece and the backrest side plate are fixed into a whole through the nut and the welding machine, so that later maintenance and replacement are facilitated, the repair cost is reduced, the backrest rotation center is the poking piece rotation center, the risk of poking piece deformation is reduced, and the service life is prolonged; the shaft sleeve is arranged between the seat frame side plate and the rotating shaft, and the metal bushing is arranged between the seat frame side plate and the backrest side plate, so that the connection gap between the seat frame side plate and the backrest side plate can be ensured, abnormal sound generated when the seat frame side plate and the backrest side plate rotate relatively can be eliminated, the use comfort of passengers is improved, the loss of moving parts due to long-term friction can be reduced, and the service life is prolonged; the first return spring and the second return spring are coil springs sleeved on the fixed shaft, compared with the mode of adopting tension springs in the prior art, the number of parts is reduced, the installation space of the backrest linkage mechanism is reduced, the design sizes of the seat frame side plate and the backrest side plate can be properly reduced, and the manufacturing cost is saved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an exploded view of a partial structure of the present utility model;
Fig. 3 is a schematic view of a partial 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 backrest side plate 1;
The seat frame comprises a seat frame side plate 2, a mounting hole 21, a shaft sleeve 22, a metal bushing 23, a limiting plate 24, a limiting post 25 and a mounting plate 26;
The fixed shaft 3, the linkage plate 31, the fixed pin 311, the unlocking plate 32, the first protrusion 321, the second protrusion 322, the stay rope 33, the first return spring 34 and the second return spring 35;
a rotating shaft 4, a nut 41 and a poking piece 42.
Examples
As shown in fig. 1, a car seat back linkage structure includes a back side plate 1, a seat frame side plate 2, a fixed shaft 3, and a rotating shaft 4.
As shown in fig. 2, the seat frame side plate 2 is provided with a mounting hole 21, a shaft sleeve 22 is nested in the mounting hole 21, the right side of the seat frame side plate 2 is riveted with a metal bushing 23, the left side of the seat frame side plate 2 is welded with a limit plate 24 and a mounting plate 26, the right side of the seat frame side plate 2 is welded with a limit post 25, and when the backrest side plate 1 is in a vertical state, the lower edge of the backrest side plate 1 abuts against the limit post 25 so as to prevent the backrest from tilting backwards.
As shown in fig. 2, the right end of the fixed shaft 3 is welded on the seat frame side plate 2, the fixed shaft 3 is provided with a linkage plate 31 and an unlocking plate 32 in a rotating manner from right to left, the unlocking plate 32 is provided with a first protrusion 321 and a second protrusion 322, the first protrusion 321 is abutted against the lower edge of the linkage plate 31, the linkage plate 31 can push the first protrusion 321 and drive the unlocking plate 32 to rotate, and the second protrusion 322 is abutted against a limiting plate 24 on the seat frame side plate 2; the unlocking plate 32 is fixedly welded with a stay rope 33 for unlocking the seat slide rail, the left side of the seat frame side plate 2 is welded with the mounting plate 26, and one end of the stay rope 33, which is far away from the locking plate 32, is mounted on the mounting plate 26.
As shown in fig. 2, the right end of the rotating shaft 4 sequentially penetrates through the mounting hole 21 of the seat frame side plate 2, the metal bushing 23 and the backrest side plate 1, and is fixedly mounted on the backrest side plate 1 through a nut 41; as shown in fig. 2-3, a pulling piece 42 is welded at the left end of the rotating shaft 4, a fixing pin 311 is welded at one end of the linkage plate 31 close to the pulling piece 42, and the pulling piece 42 can push the fixing pin 311 and drive the linkage plate 31 to rotate.
As shown in fig. 2-3, the fixed shaft 3 is sleeved with a first return spring 34 and a second return spring 35, the first return spring 34 and the second return spring 35 are both coil springs, one end of each coil spring is inserted and installed in the fixed shaft 3, and the other end of each coil spring is inserted and installed on the linkage plate 31 or the unlocking plate 32; after the pulling piece 42 is far away from the linkage plate 31, the first return spring 34 drives the linkage plate 31 to reset, and the second return spring 35 drives the unlocking plate 32 and the inhaul cable 33 to reset, so that the seat slide rail is locked.
The specific implementation is as follows:
When the seat backrest is in the unfolded state, as shown in fig. 1 and 3, the state of the backrest linkage mechanism is that the poking plate 42 is positioned on the right side of the fixed pin 311, the lower edge of the linkage plate 31 is propped against the first protrusion 321 of the unlocking plate 32 under the action of the spring force of the first return spring 34 and the second return spring 35, the second protrusion 322 of the unlocking plate 32 is propped against the limiting plate 24, and the seat slide rail is in the locked state; when the seat needs to be moved forwards, the seat backrest is pushed to enable the backrest side plate 1 to rotate clockwise, the rotating shaft 4 and the poking piece 42 rotate clockwise along with the backrest side plate, the poking piece 42 pushes the fixing pin 311 to enable the linkage plate 31 to rotate anticlockwise, the lower edge of the linkage plate 31 pushes the first protrusion 321 to enable the unlocking plate 32 to rotate anticlockwise, one end, connected with the inhaul cable 33, of the unlocking plate 32 moves upwards and drives the inhaul cable 33 to move upwards, the seat slide rail is unlocked through the inhaul cable 33, and the seat can be moved forwards by pushing the seat forwards; after the seat moves forward to a proper position, the seat backrest is pushed continuously, the seat backrest can be folded completely, the poking piece 42 rotates to the left side of the fixed pin 311 along with the backrest side plate 1, at the moment, the poking piece 42 is far away from the linkage plate 31, the unlocking plate 32 and the inhaul cable 33 are reset under the action of the first return spring 34 and the second return spring 35, and the seat slide rail is locked; when the seat is unfolded, the backrest is pushed upwards, the backrest side plate 1 drives the poking plate 42 to rotate anticlockwise, the poking plate 42 drives the linkage plate 31 to rotate clockwise through the fixing pin 311, the lower edge of the linkage plate 31 is far away from the first protrusion 321 of the unlocking plate 32, the unlocking plate 32 is static and does not move, the backrest is pushed upwards continuously until the poking plate 42 moves to the right side of the fixing pin 311 and is far away from the fixing pin 311, and the lower edge of the backrest side plate 1 abuts against the limiting column 25.
According to the utility model, the poking piece 42 and the backrest side plate 1 are fixed into a whole through the nut 41 and the welding machine, so that later maintenance and replacement are facilitated, the repairing cost is reduced, the rotation center of the backrest is the rotation center of the poking piece 42, the risk of deformation of the poking piece 42 is reduced, and the service life is prolonged; the shaft sleeve 22 is arranged between the seat frame side plate 2 and the rotating shaft 4, and the metal bushing 23 is arranged between the seat frame side plate 2 and the backrest side plate 1, so that the connection gap between the seat frame side plate 2 and the backrest side plate 1 can be ensured, abnormal sound generated when the seat frame side plate 2 and the backrest side plate rotate relatively can be eliminated, the use comfort of passengers is improved, the loss of moving parts due to long-term friction can be reduced, and the service life is prolonged; the first return spring 34 and the second return spring 35 are coil springs sleeved on the fixed shaft 3, compared with the mode of adopting tension springs in the prior art, the number of parts is reduced, the installation space of the backrest linkage mechanism is reduced, the design sizes of the seat frame side plate 2 and the backrest side plate 1 can be properly reduced, and the manufacturing cost is saved.
Claims (8)
1. An automobile seat backrest linkage structure, which is characterized in that: comprises a backrest side plate, a seat frame side plate,
A fixed shaft and a rotating shaft;
The fixed shaft is fixed on the seat frame side plate, the fixed shaft is rotationally connected with a linkage plate and an unlocking plate, the unlocking plate is provided with a inhaul cable for unlocking the seat slide rail, and the linkage plate can prop against the unlocking plate and drive the unlocking plate to rotate;
The rotating shaft is rotationally connected with the seat frame side plate, one end of the rotating shaft is detachably and fixedly connected to the backrest side plate, the other end of the rotating shaft is fixedly provided with a poking piece, and the poking piece can prop against the linkage plate and drive the linkage plate to rotate;
And the linkage plate and the unlocking plate are respectively provided with a first return spring and a second return spring, and after the pulling piece is far away from the linkage plate, the first return spring drives the linkage plate to reset, and the second return spring drives the unlocking plate and the inhaul cable to reset.
2. A car seat back linkage structure according to claim 1, wherein: the seat frame sideboard is provided with a mounting hole, a shaft sleeve is arranged in the mounting hole, the rotating shaft is rotatably arranged in the mounting hole, and one side of the seat frame sideboard, which is close to the backrest sideboard, is provided with a metal bushing.
3. A car seat back linkage structure according to claim 1, wherein: one end of the linkage plate, which is close to the poking plate, is provided with a fixed pin, and the poking plate can prop against the fixed pin and drive the linkage plate to rotate; one side of the unlocking plate connected with the fixed shaft is provided with a first bulge, and the first bulge is propped against the linkage plate.
4. A car seat back linkage according to claim 3, wherein: the seat frame sideboard is provided with a limiting plate, the unlocking plate is provided with a second bulge, and the second bulge is propped against the limiting plate.
5. A car seat back linkage structure according to claim 1, wherein: the first return spring and the second return spring are both coil springs sleeved on the fixed shaft, one end of each coil spring is connected with the fixed shaft, and the other end of each coil spring is connected with the linkage plate or the unlocking plate.
6. A car seat back linkage structure according to claim 1, wherein: the seat frame side plate is provided with a limit column for preventing the backrest from leaning back, and when the backrest side plate is in a vertical state, the lower edge of the backrest side plate is abutted against the limit column.
7. A car seat back linkage structure according to claim 1, wherein: the rotating shaft is fixedly arranged on the backrest side plate through a nut, and the poking piece is welded with the rotating shaft.
8. A car seat back linkage structure according to claim 1, wherein: the seat frame sideboard is provided with a mounting plate, and one end of the stay cable remote separation locking plate is mounted on the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322557205.7U CN220842283U (en) | 2023-09-20 | 2023-09-20 | Linkage structure of automobile seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322557205.7U CN220842283U (en) | 2023-09-20 | 2023-09-20 | Linkage structure of automobile seat backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220842283U true CN220842283U (en) | 2024-04-26 |
Family
ID=90774043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322557205.7U Active CN220842283U (en) | 2023-09-20 | 2023-09-20 | Linkage structure of automobile seat backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220842283U (en) |
-
2023
- 2023-09-20 CN CN202322557205.7U patent/CN220842283U/en active Active
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