CN220391071U

CN220391071U - Front-turning and back-rest flattening device for automobile seat cushion

Info

Publication number: CN220391071U
Application number: CN202321881647.0U
Authority: CN
Inventors: 孙纪; 熊万宾
Original assignee: Zhejiang Tiancheng Controls Co ltd
Current assignee: Zhejiang Tiancheng Controls Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-01-26
Anticipated expiration: 2033-07-18

Abstract

The utility model relates to a device for forward turning and back lying of an automobile seat cushion, which comprises a cushion bracket and a back bracket, wherein the cushion bracket comprises a first installation base, a first supporting arm and a cushion frame for installing the cushion, which are used for installing an automobile body, and the first installation base and the first supporting arm are mutually hinged to form a first rotation fulcrum; the backrest support is arranged on one side far away from the first rotating pivot, and comprises a second installation base, a second supporting arm and a backrest frame for installing the backrest, wherein the second installation base and the second supporting arm are used for installing an automobile body, and the second installation base and the second supporting arm are mutually hinged to form a second rotating pivot. The back of the back row seat can be improved, the space of the back row seat which is turned forwards is limited, and the back of the back row seat can not be well flattened.

Description

Front-turning and back-rest flattening device for automobile seat cushion

Technical Field

The application relates to the field of automobile seats, in particular to a seat cushion forward-turning and backrest leveling device of an automobile seat.

Background

With the development of the age, automobiles gradually become an indispensable tool for riding instead of walking in the life of people, meanwhile, people also start to pursue more pursuits on the riding comfort and high configuration of the vehicles, and for the driving of the vehicles, besides the safety and silence of the whole vehicles, more requirements are also provided for the space in the vehicles, and besides the basic riding comfort, the seats are required to be adjusted so as to provide more space for the vehicles, so that the object carrying space in the vehicles can be increased, and the vehicles can also be used as bed vehicles.

At present, a back row seat on the market comprises a cushion bracket and a backrest bracket, more backrest brackets can be turned over under the general condition, and the space for the backrest to turn forward is relatively limited due to the existence of the cushion after the backrest bracket turns forward.

With respect to the prior art solutions described above, the inventors believe that the back of the rear seat may be flipped forward, but the space for the front flip is relatively limited and the back of the rear seat may not be well flattened.

Disclosure of Invention

In order to improve the situation that the back of the back row seat is limited in forward turning space and cannot be well flattened after forward turning in the prior art, the application provides a forward turning and back flattening device for an automobile seat cushion.

The application provides a car seat cushion turns over forward and back puts flat device adopts following technical scheme:

the seat cushion forward-turning and back-rest leveling device for the automobile seat comprises a seat cushion bracket and a back rest bracket, wherein the seat cushion bracket comprises a first installation base for being installed with an automobile body, a first supporting arm and a seat cushion frame for being installed with the seat cushion, and the first installation base and the first supporting arm are mutually hinged to form a first rotating fulcrum; the backrest support is arranged on one side far away from the first rotating pivot, and comprises a second installation base, a second supporting arm and a backrest frame for installing the backrest, wherein the second installation base and the second supporting arm are used for installing an automobile body, and the second installation base and the second supporting arm are mutually hinged to form a second rotating pivot.

Optionally, be located the left and right sides be provided with the sub-locking mechanism that is used for locking cushion frame between the second mounting base, sub-locking mechanism includes first supporting base, installs the first locking base on first supporting base, and first supporting base installs between the second mounting base that is located the left and right sides, is provided with first locking piece on the first locking base.

Optionally, the seat cushion frame is last with child lock mechanism assorted position be provided with be used for with child lock mechanism cooperation locking seat cushion frame's female lock mechanism, female lock mechanism is including installing the second supporting base and the second locking base of installing on the second supporting base that keep away from first rotation fulcrum one side on seat cushion frame, the second locking base is equipped with the through-hole that supplies first locking piece to pass, be provided with the second locking piece with through-hole assorted position on the second locking base, first locking piece passes the through-hole after with the cooperation locking of second locking piece.

Optionally, the first locking piece is the locking pin, and the locking pin includes locking body, locking end and spacing ring, and locking body's bottom fixed mounting is in first locking base, and the locking end sets up in locking body's top, and the spacing ring is fixed in one side that is close to locking body bottom.

Optionally, the cross-sectional area of the locking tip is gradually reduced from its bottom end toward its top end face.

Optionally, the second locking piece is the rubber sleeve, and the rubber sleeve includes end accommodation portion, neck portion and spacing portion, and neck portion sets up between end accommodation portion and spacing portion.

Optionally, the neck portion sets up to the arc changeover portion with the linkage segment of end accommodation portion and spacing portion respectively, and the internal diameter of necking down portion is all less than the internal diameter of end accommodation portion and spacing portion.

Optionally, one side that the back frame kept away from the second rotation fulcrum is provided with back locking mechanical system, back locking mechanical system include the locking box, locate in the locking box with the articulated spring bolt of locking box, one side that the locking box kept away from the back frame is provided with the locking breach, the locking end of spring bolt passes the locking box and is located the locking breach, the unblock end of spring bolt passes the locking box and is connected with the unblock stretching strap, the spring bolt is equipped with the torsional spring with the articulated shaft of locking box on the cover, the one end and the spring bolt of torsional spring are connected, the other end and the locking box of torsional spring are connected.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the improvement of first rotation fulcrum, second rotation fulcrum department structure, the structure is simpler, has practiced thrift a large amount of material and has piled up, has reduced the expenditure of cost, only needs two rotation fulcrums just can realize the cushion and turn over the back function of turning over before, compares current partial motorcycle type structure, has effectively improved the space limitation that the back turned over before, the circumstances of can't putting very well after turning over before.

2. Through the arrangement of the child lock mechanism and the parent lock mechanism, the locking and unlocking structure of the cushion is changed more indirectly, and the manufacturing cost is relatively low.

3. Through the arrangement of the backrest locking mechanism, the unlocking and locking structure of the backrest is also simple, the cost is low, and the operation is very convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of a seat cushion forward-turning and back-rest-flattening device for an automobile seat according to an embodiment of the present application.

Fig. 2 is a second schematic view of the overall structure of a seat cushion forward-turning and back-rest-flattening device for an automobile according to an embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of the portion a in fig. 1.

Fig. 4 is a schematic cross-sectional view of mating parts of a child lock mechanism and a parent lock mechanism of a seat cushion forward-turning and back-rest reclining device of an automobile seat according to an embodiment of the present application.

Fig. 5 is a partially enlarged schematic view of the portion B in fig. 2.

Reference numerals illustrate: 1. a first mounting base; 2. a first support arm; 3. a cushion frame; 4. a first rotation fulcrum; 5. a second mounting base; 6. a second support arm; 7. a backrest frame; 8. a second rotation fulcrum; 9. a first support base; 10. a first locking base; 11. a locking body; 12. locking the end head; 13. a limiting ring; 14. a second support base; 15. a second lock base; 16. a tip accommodating section; 17. a neck part is contracted; 18. a limit part; 19. an arc-shaped transition section; 20. a locking box; 21. a bolt; 22. a locking notch; 23. a locking end; 24. unlocking the end; 25. unlocking the drawstring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1 to 5.

The embodiment of the application discloses a device for forward turning and back lying of a seat cushion of an automobile seat. Referring to fig. 1 and 2, the seat cushion comprises a seat cushion bracket and a backrest bracket, wherein the seat cushion bracket comprises a first installation base 1 for being installed with an automobile body, a first supporting arm 2 and a seat cushion frame 3 for being installed with a seat cushion, and the first installation base 1 and the first supporting arm 2 are mutually hinged to form a first rotation pivot 4; the backrest bracket is arranged on one side far away from the first rotating pivot 4, and comprises a second mounting base 5 for mounting with the automobile body, a second supporting arm 6 and a backrest frame 7 for mounting the backrest, wherein the second mounting base 5 and the second supporting arm 6 are mutually hinged to form a second rotating pivot 8.

Referring to fig. 3 and 4, in the present embodiment, the two states of unlocking, forward turning and backward turning locking of the seat cushion are achieved by the cooperation of the child lock mechanism and the mother lock mechanism, the child lock mechanism is disposed between the second mounting bases 5 located on the left and right sides, and the mother lock mechanism is disposed on the seat cushion frame 3 at a position matching with the child lock mechanism.

The sub-lock mechanism comprises a first support base 9 and a first locking base 10 arranged on the first support base 9, the first support base 9 is arranged between second installation bases 5 positioned on the left side and the right side, a first locking piece is arranged on the first locking base 10, the first locking piece is a locking pin, the locking pin comprises a locking body 11, a locking end head 12 and a limiting ring 13, the bottom end part of the locking body 11 is fixedly arranged on the first locking base 10, the locking end head 12 is arranged at the top end part of the locking body 11, the limiting ring 13 is fixed on one side close to the bottom end part of the locking body 11, and in order to enable the insertion of the locking end head 12 to be faster, the cross section of the locking end head 12 gradually reduces from the bottom end to the top end surface.

The female lock mechanism comprises a second supporting base 14 arranged on one side, far away from the first rotating fulcrum 4, of the cushion frame 3 and a second locking base 15 arranged on the second supporting base 14, the second locking base 15 is provided with a through hole for a first locking piece to pass through, a second locking piece is arranged at a position, matched with the through hole, of the second locking base 15, the first locking piece is matched and locked with the second locking piece after passing through the through hole, the second locking piece is a rubber sleeve, the rubber sleeve comprises a head accommodating part 16, a neck shrinking part 17 and a limiting part 18, the neck shrinking part 17 is arranged between the head accommodating part 16 and the limiting part 18, in the embodiment, the connecting sections of the neck shrinking part 17 and the head accommodating part 16 and the limiting part 18 are respectively arranged into arc transition sections 19, and the inner diameters of the neck shrinking part 17 are smaller than the inner diameters of the head accommodating part 16 and the limiting part 18.

In order to simplify the unlocking and locking structure of the backrest, the cost is low, the operation is very convenient, referring to fig. 5, a backrest locking mechanism is arranged on one side of the backrest frame 7, which is far away from the second rotation pivot 8, the backrest locking mechanism comprises a locking box 20 and a lock tongue 21 hinged with the locking box 20, which is arranged in the locking box 20, a locking notch 22 is arranged on one side of the locking box 20, which is far away from the backrest frame 7, a locking end 23 of the lock tongue 21 penetrates through the locking box 20 and is positioned in the locking notch 22, an unlocking end 24 of the lock tongue 21 penetrates through the locking box 20 and is connected with an unlocking pull belt 25, a torsion spring is sleeved on a hinge shaft of the lock tongue 21 and the locking box 20, one end of the torsion spring is connected with the lock tongue 21, and the other end is connected with the locking box 20.

The embodiment of the application discloses a device is put to car seat cushion turns over before and back when using, can turn over the cushion before earlier through the articulated position of first rotation fulcrum 4, then rethread back locking mechanical system unblock back frame 7 for the back can turn over before through the articulated position of second rotation fulcrum 8, and the structure is simpler like this, has practiced thrift a large amount of material and has piled up, has reduced the expenditure of cost, only needs two rotation fulcrums just can realize the cushion and turns over back upset function before, compares current partial motorcycle type structure, has effectively improved the space limitation that turns over before the back, turns over before can't be fine put the condition of putting.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The seat cushion forward-turning and back-rest leveling device for the automobile seat comprises a seat cushion support and a back support and is characterized in that the seat cushion support comprises a first installation base (1) for being installed with an automobile body, a first supporting arm (2) and a seat cushion frame (3) for being installed with the seat cushion, and the first installation base (1) and the first supporting arm (2) are hinged with each other to form a first rotating fulcrum (4); the backrest support is arranged on one side far away from the first rotating pivot (4), and comprises a second installation base (5) for installing the automobile body, a second supporting arm (6) and a backrest frame (7) for installing the backrest, wherein the second installation base (5) and the second supporting arm (6) are mutually hinged to form a second rotating pivot (8).

2. The device for forward turning and back rest leveling of the automobile seat cushion according to claim 1, wherein a sub-lock mechanism for locking the cushion frame (3) is arranged between the second mounting bases (5) on the left and right sides, the sub-lock mechanism comprises a first supporting base (9), a first locking base (10) arranged on the first supporting base (9), the first supporting base (9) is arranged between the second mounting bases (5) on the left and right sides, and a first locking piece is arranged on the first locking base (10).

3. The device for forward turning and back rest leveling of the automobile seat cushion according to claim 2, wherein the seat cushion frame (3) is provided with a female lock mechanism for locking the seat cushion frame (3) in cooperation with the child lock mechanism, the female lock mechanism comprises a second supporting base (14) arranged on one side of the seat cushion frame (3) far away from the first rotating pivot (4) and a second locking base (15) arranged on the second supporting base (14), the second locking base (15) is provided with a through hole for the first locking piece to pass through, the position of the second locking base (15) matched with the through hole is provided with a second locking piece, and the first locking piece is matched with the second locking piece after passing through the through hole.

4. A car seat cushion forward-turning and back-rest flattening device according to claim 3, wherein the first locking member is a locking pin, the locking pin comprises a locking body (11), a locking end head (12) and a limiting ring (13), the bottom end part of the locking body (11) is fixedly mounted on the first locking base (10), the locking end head (12) is arranged at the top end part of the locking body (11), and the limiting ring (13) is fixed on one side close to the bottom end part of the locking body (11).

5. A car seat cushion forward and back rest arrangement according to claim 4, characterized in that the cross-sectional area of the locking head (12) decreases gradually from its bottom end towards its top end face.

6. The device for forward turning and back rest flat-laying of automobile seat cushion according to claim 4, wherein the second locking piece is a rubber sleeve, the rubber sleeve comprises a head accommodating part (16), a necking part (17) and a limiting part (18), and the necking part (17) is arranged between the head accommodating part (16) and the limiting part (18).

7. The forward-turning and back-rest-flattening device for the seat cushion of the automobile according to claim 6, wherein the connecting sections of the necking part (17) and the end head accommodating part (16) and the limiting part (18) are respectively provided with arc-shaped transition sections (19), and the inner diameters of the necking part (17) are smaller than the inner diameters of the end head accommodating part (16) and the limiting part (18).

8. The forward-turning and back-rest device according to any one of claims 1 to 7, characterized in that a back-rest locking mechanism is provided on one side of the back-rest frame (7) away from the second rotation fulcrum (8), the back-rest locking mechanism comprises a locking box (20), a lock tongue (21) hinged with the locking box (20) and arranged in the locking box (20), a locking notch (22) is provided on one side of the locking box (20) away from the back-rest frame (7), a locking end (23) of the lock tongue (21) penetrates the locking box (20) and is positioned in the locking notch (22), an unlocking end (24) of the lock tongue (21) penetrates the locking box (20) and is connected with an unlocking pull belt (25), a torsion spring is sleeved on a hinge shaft of the lock tongue (21) and the locking box (20), one end of the torsion spring is connected with the lock tongue (21), and the other end is connected with the locking box (20).