CN209852141U

CN209852141U - Seat leg holds in palm subassembly that contracts

Info

Publication number: CN209852141U
Application number: CN201920369333.XU
Authority: CN
Inventors: 马晓龙
Original assignee: Kity (tianjin) Automobile Co Ltd
Current assignee: Kity (tianjin) Automobile Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2019-12-27
Anticipated expiration: 2029-03-21

Abstract

The utility model provides a seat leg holds in palm subassembly that contracts relates to automotive interior technical field, has solved the not enough technical problem of car space that exists among the prior art. This seat leg holds in palm subassembly that contracts includes: the seat comprises a base, a seat surface part, a first power device, a backrest part, a second power device, a pillow part and a third power device; the seat surface part is hinged with the base, and the first power device drives the seat surface part to turn over in the vertical direction; the backrest part is connected with the base in a sliding mode, and the second power device drives the backrest part to vertically contract; the headrest part is connected with the backrest part in a sliding mode, and the third power device drives the headrest part to vertically contract. The utility model is used for reduce the seat and to the occupation of carriage inner space, the car owner has bigger interior usage space when not having too much demand of taking.

Description

Seat leg holds in palm subassembly that contracts

Technical Field

The utility model belongs to the technical field of automotive interior technique and specifically relates to a seat leg holds in palm subassembly that contracts.

Background

As an important part of the whole vehicle, the sales volume of the vehicle seat is closely related to the production and sales volume of the whole vehicle. With the continuous improvement of the highway network, the living standard of people is improved, the cross-regional movement of employment and the increase of population movement, the installation rate of large and medium-sized passenger cars and seats is continuously improved, and the popularization and substitution effects of new energy vehicles are realized, so that the automobile seat has good market prospect. The inventor finds that the demand of consumers on the space in the automobile is higher and higher, and designs a foldable and contractible seat for meeting the demand of users on multiple seats and large space in the automobile.

Disclosure of Invention

An object of the utility model is to provide a seat leg holds in palm shrink component to solve the not enough technical problem in car space that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of seat leg holds in palm subassembly that contracts, include: the seat comprises a base, a seat surface part, a first power device, a backrest part, a second power device, a pillow part and a third power device; the seat surface part is hinged with the base, and the first power device drives the seat surface part to turn over in the vertical direction, so that the seat surface part can be switched between a vertical state and a horizontal state; the backrest part is connected with the base in a sliding mode, and the second power device drives the backrest part to vertically contract; the bottom surface of the backrest part is flush with the bottom surface of the seat surface part when the backrest part is at the lower limit position, and the bottom surface of the backrest part is flush with the top surface of the seat surface part when the backrest part is at the upper limit position; the headrest portion is connected with the backrest portion in a sliding mode, the third power device drives the headrest portion to vertically contract, the backrest portion is provided with a groove for accommodating the headrest portion, and at least part of the headrest portion is located in the backrest portion when the headrest portion is in a contracted state.

Preferably, the first power means comprises a power assist arm and a first retraction mechanism; one end of the power assisting arm is fixedly connected with the seat part, and the joint of the power assisting arm and the seat part is superposed with the hinged part of the seat part and the base; the other end of the power assisting arm is hinged to one end of the first contraction mechanism, and the other end of the first contraction mechanism is hinged to the base.

Preferably, a limit block for limiting the swing range of the power-assisted arm is further fixedly arranged on the base.

Preferably, a tension spring is arranged between the seat surface portion and the base, and the tension spring has a tendency of keeping the seat surface portion in a vertical state.

Preferably, the second power device comprises a second retraction mechanism and a slide rail mechanism; the backrest part is connected with the base in a sliding mode through the sliding rail part, and the second contraction mechanism pushes the backrest part to slide up and down relative to the base.

Preferably, the slide rail mechanism comprises a first slide rail vertically arranged and a first slide block matched with the first slide rail, and a second slide rail and a second slide block matched with the second slide rail; the first slide rail and the second slide rail are arranged on the base, the first slide rail is positioned above the second slide rail, the first slide rail is linear, and the second slide rail is curved; the first sliding block and the second sliding block are fixedly connected with the backrest part; the first sliding block is opposite to the first sliding rail, and the second sliding block can rotate relative to the second sliding rail.

Preferably, an upper portion of the second slide rail is curved in a direction approaching the seat surface portion.

Preferably, the number of the slide rail mechanisms is two, and the two slide rail mechanisms are symmetrically arranged on two sides of the backrest part.

Preferably, the third power device comprises a third retraction mechanism and a support rod; the support rod is vertically arranged at the bottom of the back rest part, the support rod is in sliding connection with the back rest part in the vertical direction, and the third contraction mechanism pushes the back rest part to move up and down relative to the back rest part.

Preferably, the upper part of the base is provided with a turnover cover; the flip is hinged to the base.

The utility model provides a seat leg holds in palm shrink subassembly, the seat face portion that sets up under the drive of first power device, back portion under the drive of second power device, back cushion portion under the drive of third power device, folding shrink has all been accomplished to the homoenergetic and has greatly practiced thrift the car inner space.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a seat leg rest retraction assembly in accordance with the present invention;

figure 2 is a side view of a leg rest retraction assembly for a seat in accordance with the present invention.

FIG. 1, base; 2. a seat face retraction mechanism; 21. a seat surface portion; 22. a first power unit; 221. a power assisting arm; 222. a first retracting mechanism; 223. a limiting block; 3. a backrest retracting mechanism; 31. a backrest part; 32. a second power unit; 321. a slide rail mechanism; 3211. a first slide rail; 3212. a second slide rail; 322. a second retraction mechanism; 4. a headrest retracting mechanism; 41. A headrest portion; 42. a third power unit; 421. a support bar; 422. and a third retraction mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a leg of seat holds in palm subassembly that contracts, include: a base 1, a seat cushion portion 21, a first power unit 22, a backrest portion 31, a second power unit 32, a headrest portion 41, and a third power unit 42; the seat surface part 21 is hinged with the base 1, and the first power device 22 drives the seat surface part 21 to turn over in the vertical direction, so that the seat surface part 21 can be switched between the vertical state and the horizontal state; the backrest part 31 is connected with the base 1 in a sliding way, and the second power device 32 drives the backrest part 31 to complete vertical up-down contraction; the bottom surface of the backrest 31 is flush with the bottom surface of the seat surface portion 21 when the backrest 31 is at the lower limit position, and the bottom surface of the backrest 31 is flush with the top surface of the seat surface portion 21 when the backrest 31 is at the upper limit position; the headrest part 41 is connected with the backrest part 31 in a sliding mode, the third power device 42 drives the headrest part 41 to vertically contract, the backrest part 31 is provided with a groove for accommodating the headrest part 41, and the headrest part 41 is at least partially positioned in the backrest part 31 when in a contracted state. The seat surface part 21, the backrest part 31 and the pillow part 41 can be folded and contracted, when a passenger needs to take the seat, the seat leg support contraction assembly is unfolded, and when the passenger does not need to take the seat, the seat leg support contraction assembly keeps a folded state, so that the internal space of a carriage is greatly saved.

As an alternative embodiment of the present invention, the first power device 22 includes a power assisting arm 221 and a first retracting mechanism 222; one end of the power assisting arm 221 is fixedly connected with the seat surface part 21, and the joint of the power assisting arm and the seat surface part 21 is superposed with the hinged part of the seat surface part 21 and the base 1; the other end of the assisting arm 221 is hinged to one end of the first retracting mechanism 222, and the other end of the first retracting mechanism 222 is hinged to the base 1. The power transmission process of the first retracting mechanism 222 is smoother by forming a power lever through the rotation of the assist arm 221.

As an optional embodiment of the present invention, the base 1 is further fixedly provided with a limit block 223 for limiting the swing range of the power assisting arm 221. The limiting block 223 is arranged behind the hinged position of the seat surface portion 21 and the base 1 and is positioned above the power assisting arm 221, when the seat surface portion 21 is in a horizontal state, the limiting block 223 is abutted against the power assisting arm 221, and the seat surface portion 21 cannot continuously incline downwards.

As an optional embodiment of the present invention, a tension spring is disposed between the seat surface portion 21 and the base 1, and the tension spring tends to keep the seat surface portion 21 in a vertical state; the seat portion 21 in the contracted state can be prevented from automatically expanding outward under the influence of gravity, and the load of the first power unit 22 in the restrained state can be reduced.

As shown in fig. 2, as an alternative embodiment of the present invention, the second power device 32 includes a second retracting mechanism 322 and a sliding rail mechanism 321; the backrest part 31 is connected with the base 1 in a sliding way through the slide rail part, and the second contraction mechanism 322 pushes the backrest part 31 to slide up and down relative to the base 1.

As an optional implementation manner of the present invention, the slide rail mechanism 321 includes a first slide rail 3211 vertically disposed and a first slide block matched therewith, and a second slide rail 3212 and a second slide block matched therewith; the first slide rail 3211 and the second slide rail 3212 are disposed on the base 1, and the first slide rail 3211 is located above the second slide rail 3212, the first slide rail 3211 is linear, and the second slide rail 3212 is curved; the first slider and the second slider are fixedly connected with the backrest part 31; the first slide block can rotate relative to the first slide rail 3211 and the second slide block can rotate relative to the second slide rail 3212.

As an optional embodiment of the present invention, the upper portion of the second slide rail 3212 is bent toward the seat surface portion 21. The lower part of the backrest 31 inclines forwards gradually in the process of ascending the backrest 31, the backrest 31 is in an inclined state when the backrest 31 ascends to the maximum height, the upright backrest 31 is more consistent with the structural characteristics of a human body by the backrest 31 in the position, and passengers can sit more comfortably.

As an optional implementation manner of the present invention, the number of the sliding rail mechanisms 321 is two, two sliding rail mechanisms 321 are symmetrically disposed on two sides of the backrest 31, and the sliding limitation on two sides of the backrest 31 can prevent the inclination of the backrest 31 in the process of overturning, so that the stability is higher.

As an alternative embodiment of the present invention, the third power device 42 includes a third retracting mechanism 422 and a support rod 421; the support rod 421 is vertically disposed at the bottom of the backrest portion 41, the support rod 421 is slidably connected to the backrest portion 31 in the vertical direction, and the third retracting mechanism 422 pushes the backrest portion 41 to move up and down relative to the backrest portion 31.

As an optional embodiment of the present invention, the upper portion of the base 1 is provided with a flip; the rear side edge of the flip is hinged with the base 1, and when the backrest part 31 is in a contraction state, the flip covers the top of the seat leg support contraction component, so that the appearance is more neat and beautiful, and a dustproof effect can be achieved; when the backrest part 31 is pushed out, the flip is pushed out against the rear surface of the backrest part 31.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A leg rest retraction assembly for a seat, comprising: a base (1), a seat surface part (21), a first power device (22), a backrest part (31), a second power device (32), a headrest part (41) and a third power device (42);

the seat surface part (21) is hinged with the base (1), and the first power device (22) drives the seat surface part (21) to turn over in the vertical direction, so that the seat surface part (21) can be switched between a vertical state and a horizontal state;

the backrest part (31) is connected with the base (1) in a sliding mode, and the second power device (32) drives the backrest part (31) to contract vertically; the bottom surface of the backrest part (31) is flush with the bottom surface of the seat surface part (21) when the backrest part is at the lower limit position, and the bottom surface of the backrest part (31) is flush with the top surface of the seat surface part when the backrest part is at the upper limit position;

the pillow part (41) is connected with the backrest part (31) in a sliding mode, the third power device (42) drives the pillow part (41) to contract vertically, a groove for accommodating the pillow part (41) is formed in the backrest part (31), and at least part of the pillow part (41) is located in the backrest part (31) when the pillow part (41) is in a contracted state.

2. The seat leg rest retraction assembly according to claim 1, wherein the first power means (22) comprises a booster arm (221) and a first retraction mechanism (222);

one end of the power assisting arm (221) is fixedly connected with the seat surface part (21), and the joint of the power assisting arm and the seat surface part coincides with the hinged part of the seat surface part (21) and the base (1); the other end of the power assisting arm (221) is hinged with one end of the first contraction mechanism (222), and the other end of the first contraction mechanism (222) is hinged with the base (1).

3. The leg support retraction assembly of a seat as claimed in claim 2, wherein a limit block (223) for limiting the swing range of the assist arm (221) is further fixedly arranged on the base (1).

4. The seat leg rest retraction assembly according to claim 1, characterized in that a tension spring is provided between the seat surface portion (21) and the base (1), the tension spring having a tendency to keep the seat surface portion (21) in an upright position.

5. The seat leg rest retraction assembly according to claim 1, characterized in that the second power means (32) comprises a second retraction mechanism (322) and a slide rail mechanism (321); the backrest part (31) is connected with the base (1) in a sliding mode through the sliding rail mechanism (321), and the second contraction mechanism (322) pushes the backrest part (31) to slide up and down relative to the base (1).

6. The seat leg rest retraction assembly according to claim 5, wherein the slide rail mechanism (321) comprises a first slide rail (3211) vertically arranged and a first slide block matching therewith, and a second slide rail (3212) matching therewith;

the first sliding rail (3211) and the second sliding rail (3212) are arranged on the base (1), the first sliding rail (3211) is located above the second sliding rail (3212), the first sliding rail (3211) is linear, and the second sliding rail (3212) is curved; the first sliding block and the second sliding block are fixedly connected with the backrest part (31); the first sliding block is opposite to the first sliding rail (3211), and the second sliding block can rotate relative to the second sliding rail (3212).

7. The seat leg rest retraction assembly according to claim 6, wherein an upper portion of the second slide rail (3212) is curved in a direction towards the seat surface portion (21).

8. The seat leg rest retraction assembly according to claim 5, wherein the number of the track mechanisms (321) is two, and two track mechanisms (321) are symmetrically arranged on both sides of the backrest part (31).

9. The leg rest retraction assembly according to claim 1, characterized in that the third power means (42) comprises a third retraction mechanism (422) and a support bar (421);

the support rod (421) is vertically arranged at the bottom of the pillow leaning part (41), the support rod (421) is connected with the backrest part (31) in a sliding mode in the vertical direction, and the third contraction mechanism (422) pushes the pillow leaning part (41) to move up and down relative to the backrest part (31).

10. The seat leg rest retraction assembly according to claim 1, characterized in that the upper part of the base (1) is provided with a flap; the flip cover is hinged with the base (1).