CN216300862U - Electric adjusting mechanism of seat backrest - Google Patents
Electric adjusting mechanism of seat backrest Download PDFInfo
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- CN216300862U CN216300862U CN202122941796.9U CN202122941796U CN216300862U CN 216300862 U CN216300862 U CN 216300862U CN 202122941796 U CN202122941796 U CN 202122941796U CN 216300862 U CN216300862 U CN 216300862U
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- connecting rod
- adjusting plate
- seat back
- guide groove
- vehicle body
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Abstract
The utility model provides an electric adjusting mechanism of a seat back, which is arranged between a vehicle body and the seat back of a vehicle. The electric adjusting mechanism comprises an adjusting plate and a driving unit which are arranged on a vehicle body; the adjusting plate is hinged to the vehicle body directly or through a connecting rod structure, a lock catch connected with the seat backrest is arranged on the adjusting plate, the driving unit is connected with the adjusting plate, and the driving unit can drive the adjusting plate to rotate so as to drive the seat backrest to perform angle adjustment. According to the electric adjusting mechanism of the seat backrest, under the driving action of the driving unit, the lock catch on the adjusting plate is matched with the lock catch matching part, the angle adjustment of the seat backrest is realized through the connecting rod structure, and the electric adjusting mechanism of the seat backrest is simple in overall structure and convenient to process and manufacture.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to an electric adjusting mechanism of a seat backrest.
Background
With the development of the automobile industry, the requirements of customers on automobiles are higher and higher, and the automobiles are not pure vehicles any more but are part of life. Therefore, the versatility of the automobile functions and the riding comfort are becoming more and more important.
The automobile seat backrest adjusting device commonly used in the market at present considers less to the difference of the backrest comfort angles of different height crowds, does not lack the backrest angle adjusting function, is just that the stroke is adjusted for a short time or the number of adjusting gears is few, is two grades or three grades of adjustments mostly, can't satisfy the requirement of different crowds to the comfort, also can't satisfy the demand of same one under different states to different comfort angles.
Meanwhile, the existing electric adjustable mechanism device for the back row backrest has relatively high cost, so that the adjustment of the back row backrest cannot be used as standard matching, only can be used as matching, and cannot be popularized and applied.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a power adjustment mechanism for a seat back, which is convenient for processing and construction.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
an electric adjusting mechanism of a seat back is arranged between a vehicle body and the seat back of a vehicle, and comprises an adjusting plate and a driving unit, wherein the adjusting plate is arranged on the vehicle body; the adjusting plate is hinged to the vehicle body directly or through a connecting rod structure, a lock catch connected with the seat backrest is arranged on the adjusting plate, the driving unit is connected with the adjusting plate, and the driving unit can drive the adjusting plate to rotate so as to drive the seat backrest to adjust the angle.
Furthermore, a first hinge part and a second hinge part are arranged on the adjusting plate, and the first hinge part and the second hinge part are arranged at intervals; the connecting rod structure comprises a first connecting rod and a second connecting rod; one end of the first connecting rod is connected with the vehicle body, and the other end of the first connecting rod is connected with the first hinge part; one end of the second connecting rod is connected with the vehicle body, and the other end of the second connecting rod is connected with the second hinge portion.
Furthermore, a first hinge hole, a second hinge hole and a third hinge hole are formed in the second connecting rod, and connecting lines among the first hinge hole, the second hinge hole and the third hinge hole are triangular; the first hinge hole is hinged with the vehicle body, the third hinge hole is hinged with the second hinge, and the second hinge hole is in transmission connection with the driving unit; the driving unit drives the adjusting plate to rotate through the second connecting rod.
Further, the driving unit includes a linear motor connected between the vehicle body and the second hinge hole.
Furthermore, a fixed base is arranged on the vehicle body, and the first connecting rod and the second connecting rod are hinged on the fixed base.
Furthermore, the first connecting rod and the second connecting rod are hinged to two hinge points on the fixed base and are arranged at intervals up and down, and the adjusting plate is arranged between the two hinge points.
Furthermore, a third guide groove is formed in the fixed base, and the second hinge portion is slidably arranged in the third guide groove.
Further, the first connecting rod and/or the second connecting rod are/is hinged with the fixed base through a stepped bolt.
Furthermore, a first guide groove is formed in the first connecting rod, a first guide column is arranged on the vehicle body, and the first guide column slides in the first guide groove.
Furthermore, a fourth guide groove is formed in the second connecting rod, a second guide groove is formed in the adjusting plate, and the second guide groove and the fourth guide groove are arranged in a crossed mode; and a second guide post is arranged on the vehicle body, penetrates through the intersection of the second guide groove and the fourth guide groove and can slide in the second guide groove and the fourth guide groove simultaneously.
Compared with the prior art, the utility model has the following advantages:
according to the electric adjusting mechanism of the seat back, under the driving action of the driving unit, the lock catch on the adjusting plate is matched with the lock catch matching part on the seat back, the angle adjustment of the seat back is realized through the connecting rod structure, and the electric adjusting mechanism of the seat back is simple in integral structure and convenient to process and manufacture.
Meanwhile, the first hinge hole, the second hinge hole and the third hinge hole which are arranged in a triangular mode in the second connecting rod can be respectively connected with the vehicle body, the adjusting plate and the driving unit, so that the stability of the second connecting rod during movement can be improved, and the second connecting rod can play double roles of transmission connection and setting of the adjusting plate.
In addition, the driving unit adopts a linear motor, can well push the adjusting plate to rotate, and can stay and lock at any position, thereby realizing stepless adjustment and meeting the use requirements of different angles of the seat backrest under different conditions.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate embodiments of the utility model and together with the description serve to explain the utility model, and the description is given by way of example only and without limitation to the terms of relative positions. In the drawings:
fig. 1 is a schematic overall structure diagram of an electric adjustment mechanism for a seat back according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a use of the power adjustment mechanism for the seat back according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second link according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the electric adjustment mechanism of the seat back according to the embodiment of the present invention mounted on a vehicle seat.
Description of reference numerals:
10. a vehicle body; 11. a seat back; 2. a fixed base; 20. a motor mounting plate; 201. fastening a bolt; 202. a stepped bolt; 211. a first guide post; 212. a second guide post; 22. mounting holes; 23. a third guide groove; 3. an adjustment plate; 30. locking; 311. a first hinge portion; 312. a second hinge portion; 32. a second guide groove; 4. a first link; 40. a first guide groove; 400. a bushing; 5. a second link; 50. a fourth guide groove; 501. a first hinge hole; 502. a second hinge hole; 503. a third hinge hole; 60. a linear motor; 600. a lead screw; 601. and a connecting frame.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inside", "outside", etc. appear, they are based on the orientation or positional relationship shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The present embodiment relates to an electric adjustment mechanism for a seat back, which is provided between a vehicle body 10 and a seat back 11 of a vehicle. In the overall structure, the electric adjustment mechanism includes an adjustment plate 3 provided on a vehicle body 10 and a drive unit. The adjusting plate 3 is hinged to the vehicle body 10 directly or through a link structure, and a latch 30 connected to the seat back 11 is provided on the adjusting plate 3. The driving unit is connected with the adjusting plate 3 and can drive the adjusting plate 3 to rotate so as to drive the seat back (11) to carry out angle adjustment.
With such an arrangement, when the angle of the seat back 11 needs to be adjusted, the adjusting plate 3 rotates under the driving action of the driving unit, and the latch 30 on the adjusting plate 3 is connected with the latch matching portion on the seat back 11 in a matching manner, so as to drive the seat back 11 to change the angle. The electric adjusting mechanism realizes the angle adjustment of the seat back 11 through a hinged or connecting rod structure, has simple integral structure and is convenient to process and manufacture.
Based on the above overall design, an exemplary structure of the electric adjustment mechanism of the seat back of the present embodiment is as shown in fig. 1 to 4, and it should be noted that the lock catch 30 can be fixed on the adjustment plate 3 by welding, and the end of the lock catch 30 is cylindrical, and the lock catch 30 is inserted into the lock catch fitting portion to form a connection with the lock catch fitting portion. Specifically, when the latch 30 is disposed on the adjustment plate 3, the latch fitting portion of the seat back 11 may be a long hole for fitting the latch 30.
Further, in order to urge the seat back 11 to rotate to change its angle, the striker 30 on the adjustment plate 3 needs to move in a substantially arc-shaped trajectory; therefore, in the electric adjustment mechanism of the present embodiment, the adjustment plate 3 and the lock catch 30 thereof are hinged to move in an arc shape under the driving of the driving unit. In addition, in addition to the arrangement of the adjustment plate 3 and the latch engaging portion in the present embodiment, the latch engaging portion may be provided on the vehicle body, and the adjustment plate 3 may be provided on the seat back 11 as long as the connection between the seat back 11 and the electric adjustment mechanism is ensured.
Specifically, first connecting rod 4 and second connecting rod 5 articulate two pin joints on unable adjustment base 2 and are interval arrangement from top to bottom, and adjusting plate 3 locates between two pin joints. It can be understood that the first link 4 is located at one side of the adjusting plate 3, the second link 5 is located at the other side of the adjusting plate 3, the first link 4 is hinged with the adjusting plate 3 through the second hinge portion 312, and the second link 5 is hinged with the adjusting plate 3 through the first hinge portion 311.
Referring to fig. 3, in order to improve the stability of the second connecting rod 5 during movement, a first hinge hole 501, a second hinge hole 502 and a third hinge hole 503 are formed in the second connecting rod 5, and a connecting line between the first hinge hole 501 and the third hinge hole is triangular; the first hinge hole 501 is hinged to the vehicle body 10, the third hinge hole 503 is hinged to the second hinge 312, the second hinge hole 502 is in transmission connection with the driving unit, and the driving unit can drive the adjusting plate 3 to rotate through the second connecting rod 5.
In this embodiment, the driving unit includes a linear motor 60 connected between the vehicle body 10 and the second hinge hole 502, and the linear motor 60 is fixed to the stationary base 2 by a motor mounting plate 20. In addition, it should be noted that the output shaft of the linear motor 60 is connected to a lead screw 600, the lead screw 600 is screwed with a slider (not shown in the figure), and the slider is hinged to the second hinge hole 502 of the second connecting rod 5 through a connecting frame 601. When the linear motor 60 is started, the linear motor 60 drives the slider on the screw 600 to move linearly, so as to drive the second connecting rod 5 to rotate, and further drive the adjusting plate 3 to rotate. The driving unit adopts the linear motor 60, can conveniently control to open and stop the action to with adjusting plate 3 locking in pivoted optional position, thereby realize infinitely variable control, can satisfy the angle user demand under the seat back 11 different situation.
When the angle of the seat back 11 needs to be adjusted, the driving unit is started, the linear motor 60 drives the adjusting plate 3 to rotate, when the adjusting plate 3 rotates, the first hinging part 311 drives the second connecting rod 5 to rotate, the second hinging part 312 drives the first connecting rod 4 to rotate, and in addition, through the driving unit, the locking at any position can be realized, so that the use requirements under different conditions are met.
In addition, the electric adjusting mechanism comprises a fixed base 2 fixedly arranged on the vehicle body 10, and the first connecting rod 4 and the second connecting rod 5 are both hinged on the fixed base 2. It should be noted that the fixing base 2 is provided with a plurality of mounting holes 22, and fastening bolts 201 are inserted into the mounting holes 22 to form the connection between the fixing base 2 and the vehicle body 10. In order to prevent the fixing base 2 from unhooking, as is preferable in the present embodiment, the mounting holes 22 may be arranged at four corners of the fixing base 2 to constitute a limiting function between the fixing base 2 and the vehicle body 10.
In order to keep the first connecting rod 4 and the second connecting rod 5 spaced apart from each other to set the adjusting plate 3, the first connecting rod 4 and/or the second connecting rod 5 are/is hingedly connected to the fixing base 2 by a step bolt 202 screwed to the fixing base 2. By providing the stepped bolt 202, a space is left between the first link 4 and the second link 5, and a position where the adjustment plate 3 is provided can be provided. Further, a bushing 400 is provided on the stepped bolt 202 to secure the position of the adjustment plate 3.
Referring back to fig. 1, in this embodiment, the first connecting rod 4 and the second connecting rod 5 are hinged to two hinge points on the fixed base 2 and are arranged at an interval from top to bottom, and the adjusting plate 3 is disposed between the two hinge points. It can be understood that the first link 4 is located at one side of the adjusting plate 3, the second link 5 is located at the other side of the adjusting plate 3, the first link 4 is hinged with the adjusting plate 3 through the second hinge portion 312, and the second link 5 is hinged with the adjusting plate 3 through the first hinge portion 311.
In this embodiment, the fixing base 2 is provided with a third guiding groove 23, and the second hinge portion 312 is slidably disposed in the third guiding groove 23, so as to guide the movement of the adjusting plate 3. When the occupant adjusts the angle of the seat back 11, the entire movement state process of the electric adjustment mechanism is as described above, and will not be described in detail here.
In addition, as shown in fig. 2 and 3, the first link 4, the second link 5, and the adjustment plate 3 may be provided with guide grooves. The corresponding guide groove, can set firmly the guide post on the automobile body 10, the guide post slides in the guide groove corresponding to it, constitutes the direction to first connecting rod 4, second connecting rod 5 or adjusting plate 3 pivoted.
Specifically, the guide grooves include a second guide groove 32 opened in the adjustment plate 3 and a fourth guide groove 50 opened in the second link 5, respectively. The second guide groove 32 and the fourth guide groove 50 are arranged to intersect and share one guide post. The second guide post 212 fixed on the fixed base 2 sequentially passes through the intersection of the fourth guide slot 50 and the second guide slot 32 corresponding to the second guide slot 32 and the fourth guide slot 50, so as to be slidable in the two guide slots; the second connecting rod 5 and the adjusting plate 3 share the second guide column 212, so that the second connecting rod 5 and the adjusting plate 3 are guided to rotate.
In addition, the first link 4 is provided with a first guide groove 40, and the fixed base 2 is provided with a first guide column 211 corresponding to the first guide groove 40; the fixing base 2 is provided with a third guide groove 23, except that the second hinge 312 connects the adjusting plate 3 and the second link 5, and at this time, the second hinge 312 is slidably provided in the third guide groove 23 to guide the movement of the adjusting plate 3.
The actual motion process of the electric adjusting mechanism of the seat back of the embodiment is that, the fixed base 2 is fixed with the vehicle body 10, the linear motor 60 drives the lead screw 600 to move, the lead screw 600 makes the slider move, so that the second connecting rod 5 moves, and due to the linkage among the second connecting rod 5, the adjusting plate 3 and the first connecting rod 4, the lock catch 30 on the adjusting plate 3 is matched with the lock catch matching part, and the angle adjustment of the seat back 11 is realized through the connecting rod structure, so that the whole structure is simple and convenient to process and manufacture.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An electric adjustment mechanism for a seat back, provided between a vehicle body (10) and the seat back (11) of a vehicle, characterized in that:
the electric adjusting mechanism comprises an adjusting plate (3) arranged on the vehicle body (10) and a driving unit;
the adjusting plate (3) is hinged to the vehicle body (10) directly or through a connecting rod structure, a lock catch (30) connected with the seat backrest (11) is arranged on the adjusting plate (3), the driving unit is connected with the adjusting plate (3), and the driving unit can drive the adjusting plate (3) to rotate so as to drive the seat backrest (11) to perform angle adjustment.
2. The electric adjustment mechanism for a seat back according to claim 1, wherein:
a first hinge part (311) and a second hinge part (312) are arranged on the adjusting plate (3), and the first hinge part (311) and the second hinge part (312) are arranged at intervals;
the connecting rod structure comprises a first connecting rod (4) and a second connecting rod (5);
one end of the first connecting rod (4) is connected with the vehicle body (10), and the other end of the first connecting rod is connected with the first hinge part (311); one end of the second connecting rod (5) is connected with the vehicle body (10), and the other end of the second connecting rod is connected with the second hinge part (312).
3. The electric adjustment mechanism for a seat back according to claim 2, wherein:
a first hinge hole (501), a second hinge hole (502) and a third hinge hole (503) are formed in the second connecting rod (5), and a connecting line among the first hinge hole (501), the second hinge hole (502) and the third hinge hole (503) is triangular;
the first hinge hole (501) is hinged with the vehicle body (10), the third hinge hole (503) is hinged with the second hinge part (312), and the second hinge hole (502) is in transmission connection with the driving unit;
the driving unit drives the adjusting plate (3) to rotate through the second connecting rod (5).
4. The electric adjustment mechanism of a seat back according to claim 3, wherein:
the driving unit includes a linear motor (60) connected between the vehicle body (10) and the second hinge hole (502).
5. The electric adjustment mechanism for a seat back according to claim 2, wherein:
the automobile body (10) is provided with a fixed base (2), and the first connecting rod (4) and the second connecting rod (5) are hinged to the fixed base (2).
6. The electric adjustment mechanism for a seat back according to claim 5, wherein:
the first connecting rod (4) and the second connecting rod (5) are hinged to two hinged points on the fixed base (2) and are arranged at intervals up and down, and the adjusting plate (3) is arranged between the two hinged points.
7. The electric adjustment mechanism for a seat back according to claim 5, wherein:
and a third guide groove (23) is formed in the fixed base (2), and the second hinge part (312) is slidably arranged in the third guide groove (23).
8. The electric adjustment mechanism for a seat back according to claim 5, wherein:
the first connecting rod (4) and/or the second connecting rod (5) are/is hinged with the fixed base (2) through a stepped bolt (202).
9. The electric adjustment mechanism of a seat back according to any one of claims 2 to 8, characterized in that:
the first connecting rod (4) is provided with a first guide groove (40), the vehicle body (10) is provided with a first guide column (211), and the first guide column (211) slides in the first guide groove (40).
10. The electric adjustment mechanism for a seat back according to claim 9, wherein:
a fourth guide groove (50) is formed in the second connecting rod (5), a second guide groove (32) is formed in the adjusting plate (3), and the second guide groove (32) and the fourth guide groove (50) are arranged in a crossed mode; and a second guide column (212) is arranged on the vehicle body (10), and the second guide column (212) is arranged at the intersection of the second guide groove (32) and the fourth guide groove (50) in a penetrating manner and can slide in the second guide groove (32) and the fourth guide groove (50) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122941796.9U CN216300862U (en) | 2021-11-26 | 2021-11-26 | Electric adjusting mechanism of seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122941796.9U CN216300862U (en) | 2021-11-26 | 2021-11-26 | Electric adjusting mechanism of seat backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216300862U true CN216300862U (en) | 2022-04-15 |
Family
ID=81122012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122941796.9U Active CN216300862U (en) | 2021-11-26 | 2021-11-26 | Electric adjusting mechanism of seat backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216300862U (en) |
-
2021
- 2021-11-26 CN CN202122941796.9U patent/CN216300862U/en active Active
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