CN112977195B - Vehicle and seat back adjusting mechanism thereof - Google Patents
Vehicle and seat back adjusting mechanism thereof Download PDFInfo
- Publication number
- CN112977195B CN112977195B CN201911284593.8A CN201911284593A CN112977195B CN 112977195 B CN112977195 B CN 112977195B CN 201911284593 A CN201911284593 A CN 201911284593A CN 112977195 B CN112977195 B CN 112977195B
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- Prior art keywords
- connecting arm
- seat back
- handle
- adjustment mechanism
- arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
Abstract
The present disclosure relates to a vehicle and a seat back adjustment mechanism thereof, the seat back adjustment mechanism includes a handle for a connecting plate that is connected with a seat back to and a first connecting arm and a second connecting arm that are connected between the handle and the connecting plate, the vehicle seat back adjustment mechanism has: in the first working process, the handle is rotated upwards, the connection between the handle and the first connecting arm is unlocked, the first connecting arm, the second connecting arm and the connecting plate rotate around a first rotation center, and the connecting shaft of the handle and the first connecting arm forms the first rotation center; and the second working process is that the handle continues to rotate upwards, the handle drives the first connecting arm to rotate, the first connecting arm and the second connecting arm are separated from each other, the connecting plate rotates around a second rotating center, the connecting plate and the connecting shaft of the second connecting arm form the second rotating center, and the second rotating center is positioned above the first rotating center.
Description
Technical Field
The present disclosure relates to the field of vehicle seat assembly, and more particularly, to a vehicle seat back adjustment mechanism and a vehicle using the same.
Background
At present, the back of a passenger car is provided with the functions of backrest angle adjustment and backrest flattening (folding state), the backrest adjusting mechanism of the car seat can be a disc core part structure, the backrest angle adjustment can be realized, the backrest flattening can also be realized, the backrest adjusting mechanism can also be a folder locked at a single gear, the backrest flattening can only be realized, and the angle adjustment cannot be realized. To the back adjustment mechanism that can satisfy back regulation and back function of putting flat simultaneously, the back is put flat and is required adjustment mechanism's rotation center higher, if use this rotation center as the rotation center of back angle modulation, the back lower part can be outstanding forward, influences the lumbar support, and then influences the travelling comfort of seat.
Disclosure of Invention
A first object of the present disclosure is to provide a vehicle seat back adjustment mechanism that can achieve the seat back adjustment and the back leveling function while also satisfying the comfort of back adjustment.
A second object of the present disclosure is to provide a vehicle including the vehicle seat back adjustment mechanism provided by the present disclosure.
In order to achieve the above object, the present disclosure provides a vehicle seat back adjustment mechanism including a handle, a connection plate for connection with a seat back, and a first connection arm and a second connection arm connected between the handle and the connection plate, the vehicle seat back adjustment mechanism having: the first working process comprises the steps that the handle is rotated upwards, the connection between the handle and the first connecting arm is unlocked, the first connecting arm, the second connecting arm and the connecting plate rotate around a first rotating center, and the connecting shaft of the handle and the first connecting arm forms the first rotating center; and the second working process is that the handle continues to rotate upwards, the handle drives the first connecting arm to rotate, the first connecting arm and the second connecting arm are separated from each other, the connecting plate rotates around a second rotating center, the connecting plate and the connecting shaft of the second connecting arm form the second rotating center, and the second rotating center is positioned above the first rotating center.
Optionally, a first elongated slot is formed on the handle, a second elongated slot is formed on the first connecting arm, and the adjusting mechanism further includes a locking member connected in the first elongated slot and the second elongated slot.
Optionally, the first elongated slot extends along a length direction of the handle, and an extending direction of the second elongated slot is perpendicular to an extending direction of the first elongated slot.
Optionally, a first engaging groove is formed on the handle, a first engaging protrusion is formed on the first connecting arm, and the engaging protrusion and the first engaging groove are separated from each other in the first working process; in the second working process, the clamping protrusion extends into the first clamping groove, the handle is rotated upwards, and the handle pushes the first connecting arm to rotate around the first rotating center.
Optionally, a second slot is formed in the second connecting arm, a pin is connected to the first connecting arm, the pin is connected to the second slot in the first working process, and the pin is disengaged from the second slot in the second working process.
Optionally, the opening of the second slot faces backwards and is formed as an arc-shaped slot matched with the pin.
Optionally, the adjusting mechanism further comprises a third connecting arm for connecting with a seat cushion, and the connecting shaft of the first rotation center passes through the second connecting arm and the third connecting arm.
Optionally, a first connecting column is formed on the first connecting arm, a second connecting column is formed on the second connecting arm, and the adjusting mechanism further comprises an elastic member connected with the first connecting column and the second connecting column.
Optionally, the handle includes a holding portion and a connecting portion for connecting with the first connecting arm, the holding portion is bent outward and forms a step transition with the connecting portion.
According to the second aspect of the present disclosure, there is also provided a vehicle including a vehicle seat whose seat back and seat cushion are connected by a seat back adjustment mechanism, which is the vehicle seat back adjustment mechanism described above.
Through above-mentioned technical scheme, among the vehicle seat back adjustment mechanism that this disclosure provided, seat back angle modulation and the center of rotation that adopts the difference of putting flat, seat back angle modulation process and the process of putting flat mutually independent promptly can satisfy the travelling comfort of seat back angle modulation, also can realize the seat function of putting flat simultaneously.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic structural view of a seat back adjustment mechanism provided in an exemplary embodiment of the present disclosure;
FIGS. 2-4 are schematic structural views of a seat back adjustment and leveling process provided by an exemplary embodiment of the present disclosure;
fig. 5 to 7 are schematic structural views of a seat back adjustment mechanism provided in an exemplary embodiment of the present disclosure during adjustment and leveling of a seat back.
Description of the reference numerals
1 seat back adjusting mechanism 2 seat back
3 seat cushion 4 locking piece
5 pin 6 elastic piece
11 handle 12 connecting plate
13 first connecting arm 14 second connecting arm
15 first center of rotation of third link arm 100
200 second center of rotation 110 first elongated slot
111 first card slot 112 holding part
113 connecting part 130 second elongated groove
131 clamp convex 132 first connecting column
140 second card slot 141 second connecting column
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, the use of directional terms such as "upper" and "lower" generally means that the terms "inner" and "outer" refer to the inner and outer of the respective component outlines with reference to the drawing planes of the respective drawings, and furthermore, the use of the terms "first" and "second" and the like in the present disclosure is intended to distinguish one element from another element without order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.
As shown in fig. 1, 5 to 7, the present disclosure provides a vehicle seat back adjustment mechanism including a handle 11, a connecting plate 12 for connecting with a seat back 2, and a first connecting arm 13 and a second connecting arm 14 connected between the handle 11 and the connecting plate 12, the vehicle seat back adjustment mechanism having: a first operation, as shown in fig. 5, in which the handle 11 is turned upward, the connection between the handle 11 and the first connecting arm 13 is unlocked, the first connecting arm 13, the second connecting arm 14, and the connecting plate 12 are turned around the first rotation center 100, and the connecting shaft between the handle 11 and the first connecting arm 13 forms the first rotation center 100, so that the angle of the seat back 2 can be adjusted; and a second operation process, as shown in fig. 6 and 7, in which the handle 11 is further rotated upward, the handle 11 drives the first link arm 13 to rotate, the first link arm 13 and the second link arm 14 are disengaged, the link plate 12 rotates about the second rotation center 200, and the link shaft of the link plate 12 and the second link arm 14 is formed as the second rotation center 200, at which the seat back 2 can be laid flat, that is, the folded state shown in fig. 4 is achieved, in which the second rotation center 200 is located above the first rotation center 100.
Through above-mentioned technical scheme, among the vehicle seat back adjustment mechanism that this disclosure provided, seat back angle modulation and the center of rotation that adopts the difference of putting flat, seat back angle modulation process and the process of putting flat mutually independent promptly can satisfy the travelling comfort of seat back angle modulation, also can realize the seat function of putting flat simultaneously.
In order to ensure the stability of the connection, in the present disclosure, as shown in fig. 1, the seat back adjusting mechanism 1 connects the seat back 2 and the seat cushion 3, the handle 11 is formed with a first elongated groove 110, the first connecting arm 13 is formed with a second elongated groove 130, and the adjusting mechanism further includes a locking member 4 connected in the first elongated groove 110 and the second elongated groove 130. The adjusting mechanism provided by the present disclosure further includes a third connecting arm 15, when the adjusting mechanism is assembled, the handle 11, the first connecting arm 13, the second connecting arm 14 and the third connecting arm 15 are rotatably connected through a connecting shaft of the first rotation center 100, the second connecting arm 14 and the connecting plate 12 are rotatably connected through a connecting shaft of the second rotation center 200, the first connecting arm 13 and the third connecting arm 15 further have a second connecting point different from the first rotation center 100, the locking member 4 passes through the first elongated groove 110 and the second elongated groove 130, after the assembly is completed, the seat back 2 can be locked at this position, when the handle 11 is lifted up, the locking member 4 slides in the first elongated groove 110 and the second elongated groove 130 to unlock the connection of the handle 11 and the first connecting arm 13, the second connecting arm 14 and the connecting plate 12 can integrally rotate around the first rotation center 100, to adjust the angle of the seat back 2.
As shown in fig. 1, in the present disclosure, the first elongated slot 110 may extend along a length direction of the handle 11, and the second elongated slot 130 extends perpendicular to the extending direction of the first elongated slot 110, that is, the first elongated slot 110 is a transverse elongated slot, and the second elongated slot 130 is a longitudinal elongated slot, so that the first elongated slot can be locked at a corresponding position when the handle 11 is not operated, and can be unlocked when the handle 11 is lifted up.
Further, in the present disclosure, as shown in fig. 1, a first engaging groove 111 is formed on the handle 11, a first engaging protrusion 131 is formed on the first connecting arm 13, and the engaging protrusion 131 is separated from the first engaging groove 111 in the first working process; in the second operation, the handle 11 is lifted, the locking protrusion 131 can extend into the first locking groove 111, and when the handle 1 is rotated upwards, the handle 11 will push the first connecting arm 13 to rotate around the first rotation center 100. In the seat back angle adjustment process, the rotation of handle 11 can not be influenced to the protruding 131 of card, and in the seat back process of laying level, the transmission of effort can be realized to the contact of the protruding 131 of card of handle 11 pivoted effort accessible and first draw-in groove 111, and then the first connecting arm 13 of drive rotates.
Further, in the present disclosure, as shown in fig. 6, the second engaging groove 140 is formed on the second connecting arm 14, the pin 5 is connected to the first connecting arm 13, the pin 5 is connected to the second engaging groove 140 in the first operation, and the pin 5 is separated from the second engaging groove 140 in the second operation. The pin 5 and the second engaging groove 140 can both realize stable connection between the first connecting arm 13 and the second connecting arm 14, and at the same time, after the first connecting arm 13 rotates to a proper angle, the pin 5 can be disengaged from the second engaging groove 140 to realize separation between the first connecting arm 13 and the second connecting arm 14, so that the connecting plate 12 can rotate around the second rotation center 200 relative to the second connecting arm 14 to realize folding of the seat back 2.
Specifically, as shown in fig. 6, the second locking groove 140 may be formed at the edge of the second connecting arm 14, and the opening is backward and formed as an arc-shaped groove matched with the pin 5, so as to enable connection with the pin 5 and facilitate the pin 5 to be released from the opening.
The first connecting column 132 is formed on the first connecting arm 13, the second connecting column 141 is formed on the second connecting arm 14, the adjusting mechanism provided by the present disclosure further includes an elastic member 6, such as a return spring, connecting the first connecting column 132 and the second connecting column 141, in the process of adjusting the seat back 2, the user leans against the seat back 2 to adjust to a proper angle, and when losing the leaning acting force of the user, the automatic return of the seat back 2 can be realized through the return spring.
In addition, in the present disclosure, as shown in fig. 1, the handle 11 includes a holding portion 112 and a connecting portion 113 for connecting with the first connecting arm 13, and the holding portion 112 is bent outward and forms a step transition with the connecting portion 113. In this way, the handle 11 may be distanced from the seat cushion 3 for easy grasping and holding by an operator.
In summary, the working process of the seat back adjusting mechanism provided by the present disclosure is as follows: as shown in fig. 2, when the angle of the seat back is adjusted, the handle 11 is lifted, the seat back 2 rotates around the first rotation center 100, as shown in fig. 3 and 4, when the handle 11 is continuously lifted upwards, the locking protrusion 131 extends into the first locking groove 111, and pushes the first connecting arm 13 to rotate around the first rotation center 100, the pin 5 of the first connecting arm 13 is disengaged from the second locking groove 140, after the pin 5 is completely unscrewed, the connecting plate 12 is in an unlocked state, and the connecting plate 12 and the seat back 2 rotate together around the second rotation center 200, so that the seat back 2 is flattened to reach a folded state as shown in fig. 4.
According to the second aspect of the present disclosure, there is also provided a vehicle including a vehicle seat, a seat back 2 and a seat cushion 3 of the vehicle seat being connected by a seat back adjustment mechanism 1, wherein the seat back adjustment mechanism 1 is the vehicle seat back adjustment mechanism described above. The vehicle has all the advantages of the vehicle seat backrest adjusting mechanism, and redundant description is not repeated here.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (9)
1. A vehicle seat back adjustment mechanism, characterized by comprising a handle (11), a connecting plate (12) for connection with a seat back (2), and a first connecting arm (13) and a second connecting arm (14) connected between the handle (11) and the connecting plate (12), the vehicle seat back adjustment mechanism having:
a first working process, wherein the handle (11) is rotated upwards, the connection between the handle (11) and the first connecting arm (13) is unlocked, the first connecting arm (13), the second connecting arm (14) and the connecting plate (12) rotate around a first rotation center (100), and the connecting shaft between the handle (11) and the first connecting arm (13) is formed into the first rotation center (100); and
a second working process, wherein the handle (11) is continuously rotated upwards, the handle (11) drives the first connecting arm (13) to rotate, the first connecting arm (13) is respectively separated from the second connecting arm (14) and the connecting plate (12), the connecting plate (12) rotates around a second rotation center (200), the connecting shaft of the connecting plate (12) and the second connecting arm (14) forms the second rotation center (200), and the second rotation center (200) is positioned above the first rotation center (100);
the handle (11) is provided with a first long groove (110), the first connecting arm (13) is provided with a second long groove (130), and the adjusting mechanism further comprises a locking piece (4) connected to the first long groove (110) and the second long groove (130).
2. The vehicle seat back adjustment mechanism according to claim 1, wherein the first elongated groove (110) extends in a length direction of the handle (11), and the second elongated groove (130) extends in a direction perpendicular to the extending direction of the first elongated groove (110).
3. The vehicle seat back adjustment mechanism according to claim 1, wherein a first catching groove (111) is formed on the handle (11), a catching protrusion (131) is formed on the first connecting arm (13), and the catching protrusion (131) and the first catching groove (111) are separated in the first operation; in the second working process, the clamping protrusion (131) extends into the first clamping groove (111), the handle (11) rotates upwards, and the handle (11) pushes the first connecting arm (13) to rotate around the first rotating center (100).
4. The vehicle seat back adjustment mechanism according to claim 3, wherein a second engagement groove (140) is formed on the second connection arm (14), and a pin (5) is connected to the first connection arm (13), wherein the pin (5) is engaged in the second engagement groove (140) during the first operation, and wherein the pin (5) is disengaged from the second engagement groove (140) during the second operation.
5. The vehicle seat back adjustment mechanism according to claim 4, characterized in that the opening of the second catch groove (140) faces rearward and is formed as an arc-shaped groove that cooperates with the pin (5).
6. A vehicle seat back adjustment mechanism according to claim 1, characterized in that the adjustment mechanism further comprises a third connecting arm (15) for connection with a seat cushion (3), the connecting axis of the first centre of rotation (100) passing through the second connecting arm (14) and the third connecting arm (15).
7. The vehicle seat back adjustment mechanism according to claim 1, characterized in that a first connecting post (132) is formed on the first connecting arm (13) and a second connecting post (141) is formed on the second connecting arm (14), the adjustment mechanism further comprising an elastic member (6) connecting the first connecting post (132) and the second connecting post (141).
8. The vehicle seat back adjustment mechanism according to claim 1, characterized in that the handle (11) comprises a grip portion (112) and a connecting portion (113) for connecting with the first connecting arm (13), the grip portion (112) being bent outwards and forming a step transition with the connecting portion (113).
9. A vehicle comprising a vehicle seat, the seat back (2) and the seat cushion (3) of which are connected by a seat back adjustment mechanism (1), characterized in that the seat back adjustment mechanism (1) is a vehicle seat back adjustment mechanism according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284593.8A CN112977195B (en) | 2019-12-13 | 2019-12-13 | Vehicle and seat back adjusting mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284593.8A CN112977195B (en) | 2019-12-13 | 2019-12-13 | Vehicle and seat back adjusting mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112977195A CN112977195A (en) | 2021-06-18 |
| CN112977195B true CN112977195B (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911284593.8A Active CN112977195B (en) | 2019-12-13 | 2019-12-13 | Vehicle and seat back adjusting mechanism thereof |
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| CN (1) | CN112977195B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258833Y (en) * | 1996-02-28 | 1997-08-06 | 重庆明华汽车零件有限公司 | Multifunctional automotive seat back slope adjuster |
| DE19715764C2 (en) * | 1997-04-16 | 2000-01-27 | Keiper Gmbh & Co | Tilt adjustment fitting with free pivoting device for a backrest of a motor vehicle seat |
| KR100601809B1 (en) * | 2005-12-21 | 2006-07-19 | 주식회사 오스템 | Folding recliner of vehicular seat |
| JP2008247187A (en) * | 2007-03-30 | 2008-10-16 | Aisin Seiki Co Ltd | Seat device for vehicle |
| EP2209667A4 (en) * | 2007-11-12 | 2011-07-27 | Johnson Controls Tech Co | Seat recliner mechanism with fold-flat feature |
| JP2012071641A (en) * | 2010-09-28 | 2012-04-12 | Aisin Seiki Co Ltd | Seat reclining device for vehicle |
| CN104512281B (en) * | 2014-12-25 | 2016-08-17 | 上海延锋江森座椅有限公司 | A kind of mechanism falling backrest and unlocking seat slide simultaneously |
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2019
- 2019-12-13 CN CN201911284593.8A patent/CN112977195B/en active Active
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| CN112977195A (en) | 2021-06-18 |
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