CN113910991A - Car, seat and seatpad tilting mechanism thereof - Google Patents

Car, seat and seatpad tilting mechanism thereof Download PDF

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Publication number
CN113910991A
CN113910991A CN202010662975.6A CN202010662975A CN113910991A CN 113910991 A CN113910991 A CN 113910991A CN 202010662975 A CN202010662975 A CN 202010662975A CN 113910991 A CN113910991 A CN 113910991A
Authority
CN
China
Prior art keywords
seat cushion
turnover mechanism
support
limiting
legs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010662975.6A
Other languages
Chinese (zh)
Inventor
陆晓培
姜进京
王权锋
张正杰
刘江
谢洪昊
杜庆勇
杨钦鑫
苏荟
李崇玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC Motor Corp Ltd
Shanghai Automotive Industry Corp Group
Original Assignee
SAIC Motor Corp Ltd
Shanghai Automotive Industry Corp Group
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SAIC Motor Corp Ltd, Shanghai Automotive Industry Corp Group filed Critical SAIC Motor Corp Ltd
Priority to CN202010662975.6A priority Critical patent/CN113910991A/en
Publication of CN113910991A publication Critical patent/CN113910991A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/005Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/62Thigh-rests
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90Details or parts not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention discloses an automobile, a seat and a seat cushion turnover mechanism thereof, wherein the seat cushion turnover mechanism comprises a first support fixedly connected with a seat cushion, a second support fixedly connected with chair legs and a limiting piece fixedly connected with the chair legs; the rotating part comprises a first end hinged with the first support, a second end hinged with the second support and a clamping part forming a clamping adaptation pair with the limiting part, and relative to the second support, the first support and the rotating part can respectively rotate around a hinge center to be switched between a turnover working position and a normal working position and are configured as follows: the clamping part of the rotating part positioned at the normal working position is clamped and limited with the limiting part; and the clamping part of the rotating part positioned at the overturning working position is separated from the limiting part. The structure optimization of the seat cushion turnover mechanism can reduce the manufacturing cost and effectively reduce the working noise.

Description

Car, seat and seatpad tilting mechanism thereof
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile, a seat and a seat cushion turnover mechanism thereof.
Background
As is well known, the seat cushion of the seat has a turnover function, and the expansion of the placing space of the whole vehicle is guaranteed to a certain extent. The existing seat cushion turnover mechanism adopts a metal structure and fixes a seat cushion through a lock structure; the structure is relatively complex due to the limitation of the structure, and the defects of high cost and easy generation of abnormal sound exist.
In view of the above, a new method for optimizing the prior cushion turning mechanism is needed to overcome the above-mentioned drawbacks of the prior art.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automobile, a seat and a seat cushion overturning mechanism thereof, which can reduce the manufacturing cost and effectively reduce the working noise through the structural optimization of the seat cushion overturning mechanism.
The invention provides a seat cushion turnover mechanism which comprises a first support, a second support, a limiting piece and a rotating piece, wherein the first support is fixedly connected with a seat cushion; the limiting piece is used for being fixedly connected with the chair legs and comprises a limiting part; the rotating component comprises a first end hinged with the first support, a second end hinged with the second support and a clamping part forming a clamping adaptation pair with the limiting part, and relative to the second support, the first support and the rotating component can respectively rotate around a hinge center to be switched between an overturning working position and a normal working position and are configured as follows: the clamping part of the rotating part positioned at the normal working position is clamped and limited with the limiting part; and the clamping part of the rotating part positioned at the overturning working position is separated from the limiting part.
Preferably, the limiting piece is a rod, two end parts of the rod are respectively and fixedly connected with the chair legs, and the second bracket is fixedly connected with the limiting piece; the limiting part which forms a clamping adaptive pair with the clamping part is the peripheral arc surface of the rod.
Preferably, the engaging portion includes two legs extending from the body of the rotating component, and the engaging fitting pair is formed by opposite side wall surfaces of the two legs and the outer peripheral arc surface.
Preferably, two of the legs have a predetermined spacing therebetween, and the predetermined spacing satisfies: and the two support legs are clamped and limited by the peripheral arc surface and have elastic deformation.
Preferably, the two support legs located at the normal working position are respectively arranged at the front side and the rear side of the outer circumference arc surface.
Preferably, the rotating member is made of a plastic or rubber material.
Preferably, the first end of the rotating member located in the normal operating position and hinged to the first bracket is disposed at a rear side of the stopper portion, and the second end of the rotating member hinged to the second bracket is disposed at a front side of the stopper portion.
Preferably, the second bracket has a supporting portion formed by extending vertically, and the supporting portion is used for abutting against and limiting the seat cushion located at the normal working position.
The invention also provides a seat, which comprises chair legs and a seat cushion; the seat cushion turnover mechanism further comprises the seat cushion turnover mechanism, wherein the bottom surface of the seat cushion is provided with an inwards concave accommodating part, and the seat cushion turnover mechanism located at the normal working position can be arranged in the inwards concave accommodating part.
The invention also provides an automobile comprising a seat as described above.
Compared with the prior art, the novel design is provided for the seat cushion turnover mechanism in another method, and the first support and the second support which are respectively and fixedly connected with the seat cushion and the chair legs are utilized to establish a hinged relation with the two hinged ends of the rotating component; based on the characteristics that the chair legs are fixed and the seat cushion can be overturned, the rotating component and the first support are movably hinged, the hinge center moves along with the rotating component, the rotating component and the second support are fixedly hinged, and the hinge center is fixed; that is, the seat cushion and the first bracket rotate about the first end relative to the rotating member, and the rotating member rotates about the second end relative to the second bracket. According to the arrangement, the displacement track of the seat cushion switched between the normal working position and the turnover working position is formed by combining the rotation tracks under the two hinged relations. The whole has the characteristic of simple structure. The rotating part located at the normal working position is clamped and limited through the clamping part and the limiting part on the rotating part, the seat cushion can be reliably fixed without additionally arranging a lock structure, clamping and separation are simple and reliable, and abnormal working sound can be effectively avoided.
In the preferred scheme of the invention, the clamping part is composed of two support legs formed by extending from the body of the rotating part, the support legs and the limiting part of the peripheral cambered surface form clamping fit, the smooth degree of sliding between the support legs and the limiting part in the clamping and separating process is improved, and abnormal working sound and noise can be further avoided.
In another preferred scheme of the invention, the preset distance between the two support legs enables the support legs to be elastically deformed when being clamped and limited with the peripheral cambered surface; that is to say, two stabilizer blades produce deformation when the block is spacing, ensure that the seatpad under the normal state work position can more reliable fixed. In addition, the rotating part can be made of plastic or rubber materials, the structure is lighter, and abnormal noise and noise of work can be controlled to the maximum extent.
In still another preferred embodiment of the present invention, the rotating member located at the normal operating position has a first end hinged to the first bracket disposed at a rear side of the stopper portion and a second end hinged to the second bracket disposed at a front side of the stopper portion; so set up, make full use of the available space of seat fore-and-aft direction on the whole, the structure is compacter reasonable, inlays the dress for tilting mechanism and provides good technical guarantee in the seatpad bottom.
Drawings
FIG. 1 is a schematic illustration of the seat cushion inversion process according to the exemplary embodiment;
FIG. 2 is a schematic view showing a state in which the seat cushion turnover mechanism according to the embodiment is used;
fig. 3 is a schematic view showing the overall construction of the seat cushion turnover mechanism shown in fig. 2;
FIG. 4 is a longitudinal sectional view showing another state of use of the seat cushion turnover mechanism shown in FIG. 2;
FIG. 5 is a diagram illustrating a relationship between snap-fit pairs according to an embodiment;
fig. 6 is a schematic view of the rotating member shown in fig. 5.
In the figure:
a seat cushion 10, a seat back 20, and seat legs 30;
the support comprises a first support 1, a middle section 11, a body 12, a first rotating shaft 13, a second support 2, a body 21, a supporting portion 23, a horizontal section 231, a second rotating shaft 22, a limiting member 3, a limiting portion 31, a rotating member 4, a first end 41, a second end 42, an engaging portion 43 and a support 431.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Without loss of generality, the embodiment takes the seat shown in the figures as a description basis, and a specific implementation scheme of the seat cushion overturning mechanism is explained in detail. The seat cushion 10 shown in fig. 1 can be turned over from the normal operating position a to the reversed operating position C in the counterclockwise direction, and the middle position of the turning process is shown as the middle operating position B. It should be understood that the specific structure and shape of the seat components such as the seat back 20, the seat cushion 10 and the legs 30 are not essential to the core invention of the present application, and the seat cushion tilting mechanism claimed in the present application is not substantially limited thereto.
Referring to fig. 2 and fig. 3, fig. 2 is a schematic view showing a usage state of the seat cushion turnover mechanism according to the present embodiment, and fig. 3 is a schematic view showing an overall structure of the seat cushion turnover mechanism.
The seat cushion turnover mechanism mainly comprises a first support 1, a second support 2, a limiting piece 3 and a rotating part 4. Wherein, the first bracket 1 is used for being fixedly connected with the seat cushion 10, the second bracket 2 is used for being fixedly connected with the chair leg 30, the rotating component 4 comprises a first end 41 hinged with the first bracket 1 and a second end 42 hinged with the second bracket 2, and relative to the second bracket 2, the first bracket 1 and the rotating component 4 can respectively rotate around the hinge center and switch between a turnover working position C and a normal working position A. The inverted operating position is shown in fig. 2 and the normal operating position is shown in fig. 3.
Based on the characteristics that the chair legs 30 are fixed and the seat cushion can be overturned, the rotating component 4 and the first bracket 1 are movably hinged, the hinge center D moves along with the rotating component 4, the rotating component 4 and the second bracket 2 are fixedly hinged, and the hinge center E is fixed; reference is also made to fig. 4, which is a longitudinal sectional view of the seat cushion turnover mechanism shown in fig. 2 in another use state, wherein the seat cushion is in a normal working position.
Referring to fig. 4, the seat cushion 10 and the first bracket 1 rotate about the first end 41 relative to the rotating member 4, and the rotating member 4 rotates about the second end 42 relative to the second bracket 2. In the process of turning, the displacement trajectory of the seat cushion 10 switched between the normal operating position a and the turning operating position C is formed by combining the rotation trajectories in the two hinged relationships. The concrete structure is simple and reliable.
In the present embodiment, the limiting member 3 is used to be fixedly connected to the leg 30, here, the structural form of the leg 30 is not limited to the implementation shown in the drawings, and it can be understood that any structural form of a member supporting the seat cushion 10 can be used to fixedly mount the limiting member 3. The second bracket 2 can be fixedly connected with the limiting member 3, that is, the limiting member 3 and the chair leg 30 indirectly form the fixed relationship; of course, the second bracket 2 may also be secured directly to the leg 30 depending on the particular seating configuration.
The limiting member 3 is provided with a limiting portion 31, and correspondingly, the rotating member 4 is provided with an engaging portion 43 which forms an engaging and adapting pair with the limiting portion 31; the concrete configuration is as follows: the engaging portion 43 of the rotating member 4 located at the normal operating position a is engaged with the limiting portion 31 of the limiting member 3 for limiting, and the seat cushion 10 is reliably fixed at the normal operating position without an additional locking structure; the engaging portion 43 of the rotating member 4 located at the inversion position C is disengaged from the stopper portion 31 of the stopper 3. After test product verification and installation, the rotating mechanism can be used for creating a 670mm × 445mm × 220mm closed storage space for the bottom of the seat. The clamping and the separation are simple and reliable in operation, and the abnormal working sound can be effectively avoided.
In this scheme, first support 1 and second support 2 can adopt different technologies to realize. The metal plate process or the injection molding process can be adopted according to specific product selection. The structural form of the two brackets may also be set as required, for example, the middle section 11 of the first bracket 1 is used for fixing and connecting the seat cushion 10, two bodies 12 which are approximately parallel are formed by extending from the left and right sides of the middle section to form a hinged end with the rotating component 4 and are respectively positioned on the left and right sides of the rotating component 4, so as to form a corresponding hinged relation by inserting the first rotating shaft 13; for another example, the second frame 2 may include two substantially parallel bodies 21 forming a hinge end with the rotating member 4 and respectively located at the left and right sides of the rotating member 4 so as to be inserted by the second rotating shaft 22 to form a corresponding hinge relationship.
It should be noted that the limiting member 3 for engaging and limiting the rotating member 4 can be implemented in different structural forms, and it is within the scope of the present application as long as it is fixedly disposed and can meet the functional requirement of being adapted to the engaging portion 43 of the rotating member 4. For example, but not limited to, the stopper 3 is a rod-shaped structure, and preferably, a circular tube having a uniform cross section is used, and the stopper portion 31 is formed on the outer surface of the circular tube, so that the reliability of the engagement fitting and the good load bearing strength can be both satisfied, and the self weight is small. When assembling, the two ends of the chair can be respectively fixedly connected with the chair legs 30, so that the chair has better assembling manufacturability. Meanwhile, based on the design of the rod-shaped limiting part 3, the limiting part 31 is preferably arranged on the peripheral arc surface of the rod, and a clamping adaptation pair is constructed by the peripheral arc surface and the clamping part, so that the smooth degree of the clamping and disengaging process between the adaptation pairs can be ensured, and abnormal working sound and noise can be effectively avoided.
The engaging portion 43 can be further optimized to obtain better reliability of the engagement limit relationship. Please refer to fig. 5 and fig. 6 together, wherein fig. 5 is a schematic diagram of a relationship between the engaging and fitting pair according to the present embodiment, and fig. 6 is a schematic diagram of the rotating component shown in fig. 5.
As shown in the figure, the rotating member 4 includes two legs 431 extending from the body of the rotating member 4, and the snap-fit pair is constructed by the two legs 431 and the limiting portion 31 formed by the outer circumference arc surface of the limiting member 3. Preferably, the two legs 431 have a predetermined spacing W therebetween, which satisfies: the two support legs 431 are clamped and limited with the outer circumference cambered surface and have elastic deformation. That is, the two legs 431 in the engagement limit state are elastically deformed, and the elastic deformation energy is stored and the engagement with the limit portion 31 is maintained. So set up, on the basis of obtaining the spacing reliability of good block, have better maneuverability.
For example, but not limited to, the predetermined distance W between the two legs 431 is 29mm, and the outer diameter of the circular tube-shaped limiting member 3 is 30mm, so that, as the seat cushion 10 is turned over and reset, the two legs 431 of the rotating member 4 are pressed against the outer peripheral surface of the circular tube and elastically deformed toward both sides during pressing down until the seat cushion is switched to the turning operation position.
In addition, the rotating part 4 can be made of plastic or rubber materials, so that the structure is lighter, and abnormal noise and noise of work can be controlled to the maximum extent.
In addition, the tilting mechanism can be further optimized for effective utilization of the bottom space of the seat cushion. As shown in fig. 4 and 5, the two support legs 431 located at the normal operating position are respectively disposed at the front and rear sides of the outer circumferential arc surface, that is, at the front and rear sides of the circular tube-shaped limiting member 3. Meanwhile, the rotating member 4 in this state is in a substantially horizontal posture, and a first end 41 of the rotating member, which is hinged to the first bracket 1, is disposed on the rear side of the stopper portion 31, and a second end 42 of the rotating member, which is hinged to the second bracket 2, is disposed on the front side of the stopper portion 31. On the whole, make full use of the available space of seat fore-and-aft direction, the structure is compacter reasonable, provides good technical guarantee for tilting mechanism inlays in the seatpad bottom.
As further shown in fig. 2, 3 and 4, the second bracket 2 has a support portion 23 formed by extending vertically from the body 21, the support portion 23 being used for abutting and limiting the seat cushion 10 in the normal working position; therefore, the load formed by the seat cushion 10 and the passengers is supported, the stress state is better, the load is prevented from acting on the rotating component 4 through the first bracket 1, and the service life of the turnover mechanism is ensured.
Specifically, the horizontal section 231 is formed at the top of the supporting portion 23 by bending, and the horizontal section 231 abuts against the bottom surface of the seat cushion 10, so that the abutting limiting supporting relationship is more stable and reliable.
In addition to the seat cushion turning mechanism, the present embodiment also provides a seat using the seat cushion turning mechanism. Here, one seat cushion turnover mechanism may be provided for one seat, but may be provided in two or other plural number as necessary. As shown in fig. 4, the bottom surface of the seat cushion 10 is provided with an inward concave accommodating portion, and the seat cushion turning mechanism located at the normal working position can be placed in the inward concave accommodating portion, so that the seat cushion turning mechanism has a better integration level. It should be understood that the functions of the legs and the seat cushion of the seat are not the core invention point of the present application, and those skilled in the art can implement the functions based on the prior art, so that the detailed description is omitted here.
The present embodiment also provides an automobile (not shown in the drawings) including a seat as described above. It should be understood that the main functions of the automobile constitute the non-core invention of the present application, and those skilled in the art can implement the invention based on the prior art, so that the detailed description is omitted herein.
In the description of the present invention, it is to be understood that the terms "front-back", "right-left", and "vertical" etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of 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 scope of the present invention.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims (10)

1. A seat cushion turnover mechanism is characterized by comprising:
the first bracket is used for being fixedly connected with the seat cushion;
the second bracket is used for being fixedly connected with the chair legs;
the limiting piece is fixedly connected with the chair legs and comprises a limiting part;
the rotating component comprises a first end hinged with the first support, a second end hinged with the second support and a clamping part forming a clamping adaptation pair with the limiting part, and relative to the second support, the first support and the rotating component can respectively rotate around a hinge center to be switched between an overturning working position and a normal working position and are configured as follows: the clamping part of the rotating part positioned at the normal working position is clamped and limited with the limiting part; and the clamping part of the rotating part positioned at the overturning working position is separated from the limiting part.
2. The seat cushion turnover mechanism of claim 1, wherein the limiting member is a rod, two ends of the rod are respectively and fixedly connected with the legs, and the second bracket is fixedly connected with the limiting member; the limiting part which forms a clamping adaptive pair with the clamping part is the peripheral arc surface of the rod.
3. The seat cushion turnover mechanism of claim 2, wherein the engaging portion includes two legs extending from the body of the rotating member, and the engaging fitting pair is formed by opposing side wall surfaces of the two legs and the outer circumferential arc surface.
4. The seat cushion turnover mechanism according to claim 3, wherein the two legs have a predetermined spacing therebetween, and the predetermined spacing satisfies: and the two support legs are clamped and limited by the peripheral arc surface and have elastic deformation.
5. The seat cushion turnover mechanism according to claim 4, wherein the two legs located in the normal operating position are respectively disposed on front and rear sides of the peripheral arc surface.
6. The seat cushion turnover mechanism of claim 5, wherein the rotary member is made of plastic or rubber material.
7. The seat cushion turnover mechanism according to any one of claims 1 to 6, wherein the first end of the rotating member in the normal operating position, which is hinged to the first bracket, is disposed on a rear side of the stopper portion, and the second end of the rotating member in the normal operating position, which is hinged to the second bracket, is disposed on a front side of the stopper portion.
8. The seat cushion turnover mechanism of claim 7, wherein the second bracket has a support portion extending vertically for limiting against the seat cushion in the normal operating position.
9. A seat comprises chair legs and a seat cushion; the seat cushion turnover mechanism is characterized by further comprising the seat cushion turnover mechanism as claimed in any one of claims 1 to 8, wherein an inner concave accommodating part is formed in the bottom surface of the seat cushion, and the seat cushion turnover mechanism in the normal working position can be placed in the inner concave accommodating part.
10. An automobile comprising a seat as claimed in claim 9.
CN202010662975.6A 2020-07-10 2020-07-10 Car, seat and seatpad tilting mechanism thereof Pending CN113910991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010662975.6A CN113910991A (en) 2020-07-10 2020-07-10 Car, seat and seatpad tilting mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010662975.6A CN113910991A (en) 2020-07-10 2020-07-10 Car, seat and seatpad tilting mechanism thereof

Publications (1)

Publication Number Publication Date
CN113910991A true CN113910991A (en) 2022-01-11

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ID=79232505

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010662975.6A Pending CN113910991A (en) 2020-07-10 2020-07-10 Car, seat and seatpad tilting mechanism thereof

Country Status (1)

Country Link
CN (1) CN113910991A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070187972A1 (en) * 2006-01-23 2007-08-16 Toyota Boshoku Kabushiki Kaisha Vehicle seats
CN103273858A (en) * 2013-05-31 2013-09-04 长城汽车股份有限公司 Automotive seat cushion folding component and automobile with same
CN207433330U (en) * 2017-10-11 2018-06-01 重庆双英汽车座椅有限公司 A kind of seat cushions overturns locking structure
CN207449687U (en) * 2017-11-24 2018-06-05 重庆双英汽车座椅有限公司 A kind of seat cushion overturns locking structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070187972A1 (en) * 2006-01-23 2007-08-16 Toyota Boshoku Kabushiki Kaisha Vehicle seats
CN103273858A (en) * 2013-05-31 2013-09-04 长城汽车股份有限公司 Automotive seat cushion folding component and automobile with same
CN207433330U (en) * 2017-10-11 2018-06-01 重庆双英汽车座椅有限公司 A kind of seat cushions overturns locking structure
CN207449687U (en) * 2017-11-24 2018-06-05 重庆双英汽车座椅有限公司 A kind of seat cushion overturns locking structure

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Application publication date: 20220111