Turnover four-connecting-rod structure of automobile rear seat
By designing the flipped four-link structure of the car rear chair, using the combination of support bracket, foot butt bracket and flip frame, the problems of poor support capacity and large space occupation of conventional rear chairs are solved, and stronger support capacity and more flexible space utilization are achieved.
Patent Information
- Application Number
- CN202422146700.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The support capacity of conventional car rear seats is poor and occupy a large amount of rear space in the car, making it difficult to effectively store when space is needed.
A flipped four-link structure of the rear seat of the automobile is designed, including a support bracket, a foot butt bracket and a flip skeleton. The seat is supported and stored through the middle rotating rod and the flip lever support frame, and the support foot is fixed with a locking component to avoid swing.
The support strength of the seat skeleton is improved, which facilitates the storage of the rear seat and saves the rear space of the car, ensuring that the support feet do not swing when locked.
Smart Images
Figure CN222988015U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seat flipping structures, in particular to a flipping four-link structure of a rear seat of an automobile. Background Art
[0002] Conventional rear seats of cars are usually fixed, and the rear seats and car brackets are usually fixedly installed, so the rear seats of cars usually occupy a very large space at the rear of the car. When space needs to be reserved at the rear of the car, it is necessary to consider designing a foldable rear seat frame. Conventional rear seat frames only have one flat frame, and the supporting capacity of this structure is poor. In order to solve the above problems, the flip structure needs to be improved. Summary of the invention
[0003] The technical problem to be solved by the utility model is to provide a flip four-link structure of a rear seat of an automobile, which has the characteristics of improving the supporting strength of the seat frame, facilitating the storage of the rear seat, and saving the rear space of the automobile.
[0004] The technical solution adopted by the utility model to solve its technical problems is: to provide a flip four-link structure for a rear seat of an automobile, comprising a support bracket, a support leg docking bracket and a flip frame, wherein there are two support brackets arranged symmetrically on the left and right, a flip frame is rotatably installed between the upper ends of the support brackets, a middle rotating rod is rotatably installed in the middle of the flip frame, a support foot is installed on the lower side of the middle rotating rod, a flip rod support frame is installed on both sides of the upper part of the support foot, two support leg docking brackets are symmetrically installed on one side opposite to the support bracket, a connecting rod structure is installed between the upper end of the support leg docking bracket and the flip rod support frame, and a locking component docking with the flip rod support frame is installed at the front end of the connecting rod structure.
[0005] In the present technical solution, a support bracket is provided to serve as the main docking bracket for installing the flip frame, and a support leg docking bracket is installed to facilitate the installation of the connecting rod structure. A middle rotating rod is installed to serve as a supporting frame for the seat frame, and a flip rod support frame is provided to serve as a connecting frame for rotating the supporting legs. The seat can be stored by rotating the supporting legs, thereby saving the rear space of the entire car. A locking assembly is installed to facilitate the fixing of the supporting legs and prevent the supporting legs from swinging in the locked state.
[0006] As a supplement to the present technical solution, the locking assembly includes a limit lever lock, a locking lever lock and a limit gear. The flip rod support frame is provided with a docking shaft passing through the front end of the connecting rod structure. The limit gear is rotatably installed on the docking shaft of the flip rod support frame. The locking lever lock is rotatably installed on the side of the limit gear close to the support leg docking bracket. The limit lever lock is rotatably installed on the side of the locking lever lock close to the support leg docking bracket.
[0007] In this technical solution, a limiting gear is provided to facilitate the docking with the locking latch to lock the supporting leg, and a limiting latch is provided to resist the locking latch to prevent the locking latch from rotating.
[0008] As a supplement to this technical solution, two meshing tooth parts are symmetrically arranged on one side of the limiting gear close to the locking latch, and an included angle of 60° - 80° is arranged between the two meshing tooth parts. A docking tooth matching the meshing tooth part is arranged on the locking latch. By arranging the meshing tooth parts, it is convenient for the limiting gear to dock with the locking latch.
[0009] As a supplement to this technical solution, a limiting notch is arranged on one side of the locking latch close to the limiting latch. A limiting convex strip protruding downward is arranged at one end of the limiting notch close to the limiting latch. A resisting convex strip matching the limiting notch is arranged at one end of the limiting latch close to the locking latch. In this technical solution, the limiting notch is arranged to facilitate the movement of the resisting convex strip, and the limiting convex strip is arranged to facilitate the resisting convex strip to push the locking latch to rotate, facilitating the disengaging action between the locking latch and the limiting gear.
[0010] As a supplement to this technical solution, a torsion spring structure is installed on the limiting latch. One end of the torsion spring structure is fixed on the link structure, and the other end is fixed on the limiting latch. By arranging the torsion spring structure, it is convenient for the limiting latch to reset.
[0011] As a supplement to this technical solution, an unlocking convex rod extending outward is arranged on one side of the limiting latch close to the leg docking bracket. A guiding sleeve is installed on the lower side of the unlocking convex rod, and an unlocking wire is installed on the unlocking convex rod. The free end of the unlocking wire passes through the guiding sleeve.
[0012] By installing the unlocking wire, it drives the limiting latch to rotate, so that the limiting latch can open the locking latch. By arranging the guiding sleeve, it is convenient for the unlocking wire to be led out.
[0013] As a supplement to this technical solution, fixing notches are arranged on the front sides of both the limiting gear and the link structure. A sealing cover is installed on the locking assembly, and a limiting extension part that is snapped into the fixing notch is arranged on the sealing cover.
[0014] As a supplement to this technical solution, two docking arms are symmetrically arranged on both sides of the rear part of the flipping frame. The docking arms are docked with the upper end of the leg docking bracket through a rotating shaft.
[0015] Beneficial effects: The utility model relates to a flip four-bar linkage structure of an automobile rear seat. By providing a support bracket as the main docking bracket for installing the flip skeleton, and at the same time providing a foot docking bracket for facilitating the installation of the linkage structure, by installing a middle rotating rod as the support frame of the seat skeleton, by providing a flip rod support frame as the connecting frame of the rotating support feet, by rotating the support feet, the seat can be stored, thus saving the rear space of the whole automobile. By installing a locking component, it is convenient to fix the support feet and prevent the support feet from swinging in the locked state. It has the characteristics of improving the support strength of the seat skeleton, facilitating the storage of the rear seat, and saving the rear space of the automobile. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is the structural view of the utility model;
[0017] Figure 2 is the right view of the utility model;
[0018] Figure 3 is the structural view of the locking component of the utility model;
[0019] Figure 4 is the structural view of the sealing cover of the utility model;
[0020] Figure 5 is the structural view of the limit extension part of the utility model.
[0021] Illustration: 1. Support bracket, 2. Foot docking bracket, 3. Flip skeleton, 4. Docking arm, 5. Middle rotating rod, 6. Support foot, 7. Flip rod support frame, 8. Linkage structure, 9. Locking component, 10. Limit gear, 11. Fixed notch, 12. Locking latch, 13. Limit notch, 14. Limit latch, 15. Limit rib, 16. Guide sleeve, 17. Unlock wire, 18. Sealing cover, 19. Limit extension part. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] The following further elaborates the present utility model in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by the appended claims of this application.
[0023] The embodiment of the present utility model relates to a flip four-bar linkage structure of an automobile rear seat, as Figure 1—5, it includes a supporting bracket 1, a supporting leg docking bracket 2 and a flipping frame 3, there are two supporting brackets 1 arranged symmetrically on the left and right, a flipping frame 3 is rotatably installed between the upper ends of the supporting brackets 1, a middle rotating rod 5 is rotatably installed in the middle of the flipping frame 3, a supporting leg 6 is installed on the lower side of the middle rotating rod 5, and a flipping rod supporting frame 7 is installed on both sides of the upper part of the supporting leg 6, two supporting leg docking brackets 2 are symmetrically installed on the opposite side of the supporting bracket 1, a connecting rod structure 8 is installed between the upper end of the supporting leg docking bracket 2 and the flipping rod supporting frame 7, and a locking component 9 docking with the flipping rod supporting frame 7 is installed at the front end of the connecting rod structure 8.
[0024] In the present technical solution, a support bracket 1 is provided to serve as the main docking bracket for installing the flip frame 3, and a support foot docking bracket 2 is installed to facilitate the installation of the connecting rod structure 8. The middle rotating rod 5 is installed to serve as a supporting frame for the seat frame. A flip rod support frame 7 is provided to serve as a connecting frame for rotating the supporting foot 6. By rotating the supporting foot 6, the seat can be stored, thereby saving the rear space of the entire car. The locking assembly 9 is installed to facilitate the fixing of the supporting foot 6 to prevent the supporting foot 6 from swinging in the locked state.
[0025] As a supplement to the present technical solution, the locking assembly 9 includes a limit lever lock 14, a locking lever lock 12 and a limit gear 10. The flip rod support frame 7 is provided with a docking shaft passing through the front end of the connecting rod structure 8. The limit gear 10 is rotatably installed on the docking shaft of the flip rod support frame 7. The locking lever lock 12 is rotatably installed on the side of the limit gear 10 close to the support leg docking bracket 2. The limit lever lock 14 is rotatably installed on the side of the locking lever lock 12 close to the support leg docking bracket 2.
[0026] In the present technical solution, a limit gear 10 is provided to facilitate docking with the locking lever 12 to achieve locking of the support leg 6, and a limit lever 14 is provided to resist the locking lever 12 to prevent the locking lever 12 from rotating.
[0027] As a supplement to the present technical solution, the limiting gear 10 is symmetrically provided with two meshing teeth on one side close to the locking lever 12, and an angle of 60° to 80° is set between the two meshing teeth. The locking lever 12 is provided with docking teeth matching the meshing teeth. The meshing teeth are provided to facilitate the docking between the limiting gear 10 and the locking lever 12.
[0028] As a supplement to this technical solution, a limiting notch 13 is provided on one side of the locking trigger 12 close to the limiting trigger 14. A limiting rib 15 protruding downward is provided at one end of the limiting notch 13 close to the limiting trigger 14. A resisting rib matching the limiting notch 13 is provided at one end of the limiting trigger 14 close to the locking trigger 12. In this technical solution, the limiting notch 13 is provided to facilitate the movement of the resisting rib, and the limiting rib 15 is provided to facilitate the resisting rib to push the locking trigger 12 to rotate, facilitating the disengaging action of the locking trigger 12 and the limiting gear 10.
[0029] As a supplement to this technical solution, a torsion spring structure is installed on the limiting trigger 14. One end of the torsion spring structure is fixed on the connecting rod structure 8, and the other end is fixed on the limiting trigger 14. The torsion spring structure is provided to facilitate the reset of the limiting trigger 14.
[0030] As a supplement to this technical solution, an unlocking convex rod extending outward is provided on one side of the limiting trigger 14 close to the support leg docking bracket 2. A guiding sleeve 16 is installed on the lower side of the unlocking convex rod, and an unlocking steel wire 17 is installed on the unlocking convex rod. The free end of the unlocking steel wire 17 passes through the guiding sleeve 16.
[0031] By installing the unlocking steel wire 17 to drive the limiting trigger 14 to rotate, so that the limiting trigger 14 can open the locking trigger 12, and the guiding sleeve 16 is provided to facilitate the guiding out of the unlocking steel wire 17.
[0032] As a supplement to this technical solution, fixing notches 11 are provided on the front sides of both the limiting gear 10 and the connecting rod structure 8. A sealing cover 18 is installed on the locking assembly 9, and a limiting extension 19 that snaps into the fixing notch 11 is provided on the sealing cover 18.
[0033] As a supplement to this technical solution, two docking arms 4 are symmetrically provided on both sides of the rear part of the flipping frame 3. The docking arms 4 are docked with the upper ends of the support leg docking brackets 2 through rotating shafts.
[0034] Embodiment
[0035] When a worker needs to open the rear seat, first rotate the flipping frame 3. The flipping frame 3 rotates around the upper end of the support bracket 1 so that the flipping frame 3 can be in a horizontal state. Then rotate the support leg 6 so that the support leg 6 can be opened and is in a vertical state. After the support leg 6 is opened, the locking trigger 12 will engage with the meshing tooth part of the limiting gear 10. At the same time, the limiting trigger 14 is restored by the elastic force of the torsion spring structure, and the resisting rib of the limiting trigger 14 is used to resist the locking trigger 12, so that the support leg 6 is locked and the support leg 6 will not swing.
[0036] When it is necessary to rotate the supporting foot 6, the limit latch 14 is pulled by unlocking the wire 17. The limit latch 14 will disengage from the locking latch 12, and the limit latch 14 will push the limit rib 15. Then the locking latch 12 and the limit gear 10 will disengage, enabling the supporting foot 6 to rotate.
[0037] The above has introduced in detail a flip four-link structure of an automotive rear seat provided by the present application. Specific examples are used in this article to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the method and its core idea of the present application; at the same time, for those of ordinary skill in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application.
Claims
1. A flip four-link structure for a rear seat of an automobile, characterized in that: The invention comprises a supporting bracket (1), a supporting leg docking bracket (2) and a flipping frame (3), wherein the supporting bracket (1) has two supporting brackets (1) arranged symmetrically on the left and right, a flipping frame (3) is rotatably installed between the upper ends of the supporting brackets (1), a middle rotating rod (5) is rotatably installed in the middle of the flipping frame (3), a supporting leg (6) is installed on the lower side of the middle rotating rod (5), a flipping rod supporting frame (7) is installed on both sides of the upper part of the supporting leg (6), two supporting leg docking brackets (2) are symmetrically installed on the opposite side of the supporting bracket (1), a connecting rod structure (8) is installed between the upper end of the supporting leg docking bracket (2) and the flipping rod supporting frame (7), and a locking assembly (9) docking with the flipping rod supporting frame (7) is installed at the front end of the connecting rod structure (8).
2. The flip four-link structure of the rear seat of an automobile according to claim 1, characterized in that: The locking assembly (9) comprises a limit lever lock (14), a locking lever lock (12) and a limit gear (10); a docking shaft passing through the front end of the connecting rod structure (8) is provided on the flip rod support frame (7); the limit gear (10) is rotatably installed on the docking shaft of the flip rod support frame (7); the locking lever lock (12) is rotatably installed on the side of the limit gear (10) close to the support leg docking bracket (2); the limit lever lock (14) is rotatably installed on the side of the locking lever lock (12) close to the support leg docking bracket (2).
3. The flip four-link structure of the rear seat of an automobile according to claim 2, characterized in that: The limit gear (10) is symmetrically provided with two meshing teeth on one side close to the locking lever (12), and an angle of 60° to 80° is provided between the two meshing teeth. The locking lever (12) is provided with docking teeth matching the meshing teeth.
4. The flip four-link structure of a rear seat of an automobile according to claim 2, characterized in that: A limiting notch (13) is arranged on one side of the locking lever lock (12) close to the limiting lever lock (14); a limiting convex strip (15) protruding downward is arranged on one end of the limiting notch (13) close to the limiting lever lock (14); and a resisting convex strip matching the limiting notch (13) is arranged on one end of the limiting lever lock (14) close to the locking lever lock (12).
5. The flip four-link structure of a rear seat of an automobile according to claim 2, characterized in that: A coil spring structure is installed on the limit lever lock (14), one end of the coil spring structure is fixed on the connecting rod structure (8), and the other end is fixed on the limit lever lock (14).
6. The flip four-link structure of a rear seat of an automobile according to claim 2, characterized in that: An unlocking protrusion extending outward is arranged on one side of the limit lever lock (14) close to the support leg docking bracket (2), a guide sleeve (16) is installed on the lower side of the unlocking protrusion, an unlocking steel wire (17) is installed on the unlocking protrusion, and the free end of the unlocking steel wire (17) passes through the guide sleeve (16).
7. The flip four-link structure of a rear seat of an automobile according to claim 2, characterized in that: The front sides of the limiting gear (10) and the connecting rod structure (8) are both provided with a fixing notch (11), the locking assembly (9) is provided with a sealing cover (18), and the sealing cover (18) is provided with a limiting extension portion (19) which is inserted into the fixing notch (11).
8. The flip four-link structure of a rear seat of an automobile according to claim 1, characterized in that: Two docking arms (4) are symmetrically arranged on both sides of the rear of the flip frame (3), and the docking arms (4) are docked with the upper end of the support leg docking bracket (2) via a rotating shaft.