Chair with middle-row folding structure

Abstract

The utility model relates to the technical field of seats, in particular to a middle row folding structure seat which comprises a base, a backrest, a pulling assembly, a rotating center, a limiting block, a clamping block, a first tension spring and a clamping plate, the base provides installation conditions for the backrest, and the backrest provides installation conditions for the pulling assembly, the rotating center, the clamping block, the first tension spring and the clamping plate. When the backrest needs to be folded, a pulling assembly is pulled, the pulling assembly drives a rotating center to rotate, the rotating center drives a limiting block to rotate, the limiting block pushes a clamping block to rotate towards the side away from a clamping plate, and limiting on the backrest can be relieved until the clamping block completely leaves the clamping plate; the middle-row folding seat is simple in structure and convenient to adjust, and therefore the problem that a backrest folding structure of an existing middle-row folding seat is complex is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a middle-row seat with a folding structure. Background Art

[0002] With the development of the automobile industry, the requirements for automobile performance are getting higher and higher. The rear seats of some existing MPVs (generally MPV models have three rows of seats) have basically achieved the function of side flipping or front flipping.

[0003] Currently, the backrest folding structure of the existing middle row folding seats is relatively complex and has a high production cost, which is not convenient for widespread promotion. Utility Model Content

[0004] The purpose of the utility model is to provide a middle row folding structure seat, aiming to solve the problem that the backrest folding structure of the existing middle row folding seats is relatively complicated.

[0005] To achieve the above-mentioned purpose, the present invention provides a middle-row folding structure seat, comprising a base, a backrest, a pulling assembly, a rotation center, a limit block, a clamping block, a tension spring and a clamping plate;

[0006] The backrest is installed on the base, the pulling assembly is installed on the backrest, the rotation center is rotatably connected to the backrest and is connected to the pulling assembly, the limit block is fixedly connected to the rotation center, and the tension spring is installed between the clamping block and the backrest, the clamping block is rotatably connected to the backrest, and is located on the side of the backrest close to the clamping block.

[0007] Among them, the base includes a bottom frame, a rear support member and two front support members. The bottom frame is rotatably connected to the backrest and is located on one side of the backrest. The rear support member is installed on the side of the base away from the backrest, and the two front support members are respectively installed on the side of the bottom frame close to the rear support member.

[0008] Wherein, the rear support member includes two rear support frames, a rotating rod, a rotating handle, two clips and two tension springs II, the two rear support frames are respectively fixedly connected to the base frame and are both located on the base frame, the rotating rod is rotatably connected to the two rear support frames and is located on the two rear support frames, the rotating handle is fixedly connected to the rotating rod and is located on the rotating rod, the two clips are respectively fixedly connected to the rotating rod and are respectively located on one side of the rotating rod close to the rear support frame, and the two tension springs II are respectively installed on the two clips and the two rear support frames.

[0009] Among them, the front support member includes a connecting frame, a front support frame, a torsion spring and a fixing pin. The connecting frame is fixedly connected to the backrest and is located on the backrest. The front support frame is rotatably connected to the connecting frame. The torsion spring is installed on the front support frame and the connecting frame. The fixing pin is inserted into the connecting frame and the front support frame.

[0010] In which, the pulling assembly includes a mounting frame, a pull plate and a pull cable, the mounting frame is fixedly connected to the backrest and is located on the backrest, the pull plate is rotatably connected to the mounting frame and is located on one side of the mounting frame, the output end of the pull cable is fixedly connected to the pull plate, and the output end on the other side is fixedly connected to the card block, and the outer layer of the pull cable is fixedly connected to the backrest.

[0011] The utility model relates to a middle-row folding structure seat, wherein the base provides installation conditions for the backrest, and the backrest provides installation conditions for the pulling assembly, the rotation center, the clamping block, the tension spring 1 and the clamping plate. When the backrest needs to be folded, the pulling assembly is pulled, and the pulling assembly drives the rotation center to rotate, and the rotation center drives the limit block to rotate, and the limit block pushes the clamping block to rotate to the side away from the clamping plate until the clamping block completely leaves the clamping plate, and the limit on the backrest can be released. The limit block can be reset by the rebound force of the tension spring 1, and the backrest can be rotated at this time to fold the seat. The utility model has a simple structure and is easy to adjust, thereby solving the problem that the folding structure of the backrest of the existing middle-row folding seat is relatively complicated. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0013] Figure 1 The utility model is a structural schematic diagram of a middle row of folding structure seats.

[0014] Figure 2 This is a schematic diagram of the structure of a middle row of folding structure seats after folding.

[0015] Figure 3 It is a structural schematic diagram of a middle row folding structure seat in another direction of the present invention.

[0016] Figure 4 It is a schematic diagram of the structure after the rotation center, limit block, clamping block and clamping plate are folded.

[0017] Figure 5 It is a structural diagram after the rotation center, limit block, clamping block and clamping plate are unlocked.

[0018] In the figure: 2-backrest, 3-rotation center, 4-limiting block, 5-clamping block, 6-tension spring 1, 7-clamping plate, 8-base frame, 9-rear support frame, 10-rotation rod, 11-rotation handle, 12-buckle, 13-tension spring 2, 14-connecting frame, 15-front support frame, 16-torsion spring, 17-fixing pin, 18-mounting frame, 19-pull plate, 20-cable. DETAILED DESCRIPTION

[0019] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0020] See also Figure 1-Figure 5 The utility model provides a middle row folding structure seat, including a base, a backrest 2, a pulling component, a rotation center 3, a limit block 4, a clamping block 5, a tension spring 6 and a clamping plate 7;

[0021] The backrest 2 is installed on the base, the pulling assembly is installed on the backrest 2, the rotation center 3 is rotatably connected to the backrest 2 and is connected to the pulling assembly, the limit block 4 is fixedly connected to the rotation center 3, and the tension spring 16 is installed between the clamping block 5 and the backrest 2, the clamping block 5 is rotatably connected to the backrest 2, and is located on the side of the backrest 2 close to the clamping block 5.

[0022] In this embodiment, the base provides installation conditions for the backrest 2, and the backrest 2 provides installation conditions for the pulling assembly, the rotation center 3, the clamping block 5, the tension spring 6 and the clamping plate 7. When the backrest 2 needs to be folded, the pulling assembly is pulled, and the pulling assembly drives the rotation center 3 to rotate, and the rotation center 3 drives the limit block 4 to rotate, and the limit block 4 pushes the clamping block 5 to rotate to the side away from the clamping plate 7 until the clamping block 5 completely leaves the clamping plate 7. The limit on the backrest 2 can be released, and the limit block 4 can be reset by the rebound force of the tension spring 6. At this time, the backrest 2 can be rotated to fold the seat. The utility model has a simple structure and is easy to adjust, thereby solving the problem that the backrest folding structure of the existing middle row folding seat is relatively complicated.

[0023] Furthermore, the base includes a base frame 8, a rear support member and two front support members. The base frame 8 is rotatably connected to the backrest 2 and is located on one side of the backrest 2. The rear support member is installed on the side of the base away from the backrest 2, and the two front support members are respectively installed on the side of the base frame 8 close to the rear support member.

[0024] In this embodiment, the base frame 8 provides installation conditions for the rear support member and the two front support members, and the base can be supported by the rear support member and the two front support members.

[0025] Furthermore, the rear support member includes two rear support frames 9, a rotating rod 10, a rotating handle 11, two clips 12 and two tension springs 13. The two rear support frames 9 are respectively fixedly connected to the base frame 8 and are both located on the base frame 8. The rotating rod 10 is rotatably connected to the two rear support frames 9 and is located on the two rear support frames 9. The rotating handle 11 is fixedly connected to the rotating rod 10 and is located on the rotating rod 10. The two clips 12 are respectively fixedly connected to the rotating rod 10 and are respectively located on one side of the rotating rod 10 close to the rear support frame 9. The two tension springs 13 are respectively installed on the two clips 12 and the two rear support frames 9.

[0026] In this embodiment, the two rear support frames 9 cooperate with the two clips 12 to fix the base frame 8 on the vehicle body. Rotating the handle 11 can drive the rotating rod 10 to drive the two clips 12 to rotate, thereby releasing the restriction on the base frame 8 and rotating the base frame 8. The two clips 12 can be reset by the rebound force of the two tension springs 13.

[0027] Furthermore, the front support member includes a connecting frame 14, a front support frame 15, a torsion spring 16 and a fixing pin 17. The connecting frame 14 is fixedly connected to the backrest 2 and is located on the backrest 2. The front support frame 15 is rotatably connected to the connecting frame 14. The torsion spring 16 is installed on the front support frame 15 and the connecting frame 14. The fixing pin 17 is inserted into the connecting frame 14 and the front support frame 15.

[0028] In this embodiment, the connecting frame 14 provides installation conditions for the front support frame 15, and the front support frame 15 can be reset by the rebound force of the torsion spring 16. The connecting frame 14 and the front support frame 15 both have fixing holes, and the connecting frame 14 and the front support frame 15 can be limited by the fixing pin 17 cooperating with the corresponding fixing hole.

[0029] Furthermore, the pulling assembly includes a mounting frame 18, a pull plate 19 and a cable 20. The mounting frame 18 is fixedly connected to the backrest 2 and is located on the backrest 2. The pull plate 19 is rotatably connected to the mounting frame 18 and is located on one side of the mounting frame 18. The output end of the cable 20 is fixedly connected to the pull plate 19, and the output end on the other side is fixedly connected to the block 5, and the outer layer of the cable 20 is fixedly connected to the backrest 2.

[0030] In this embodiment, the mounting frame 18 provides mounting conditions for the pull plate 19 . Rotating the pull plate 19 can drive the cable 20 to extend and retract, and the cable 20 can drive the rotation center 3 to rotate.

[0031] When the backrest 2 needs to be folded, the pull plate 19 is pulled, and the pull plate 19 drives the cable 20 to retract, and the cable 20 drives the rotation center 3 to rotate, and the rotation center 3 drives the limit block 4 to rotate, and the limit block 4 pushes the card block 5 to rotate to the side away from the card plate 7 until the card block 5 completely leaves the card plate 7. The limit on the backrest 2 can be released. At this time, the backrest 2 can be rotated to fold the seat, and the turning handle 11 is turned. The turning handle 11 drives the rotating rod 10 to drive the two buckles 12 to rotate to the side away from the rear support frame 9, releasing the limit on the rear support frame 9, and pulling out the two fixing pins 17. At this time, the seat can be folded by rotating along the front support frame 15 to the side away from the vehicle body. The utility model has a simple structure and is easy to adjust, thereby solving the problem that the backrest folding structure of the existing middle row folding seat is relatively complicated.

[0032] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A middle row folding structure seat, characterized in that: It includes a base, a backrest, a pulling component, a rotation center, a limit block, a clamping block, a tension spring and a clamping plate; The backrest is installed on the base, the pulling assembly is installed on the backrest, the rotation center is rotatably connected to the backrest and is connected to the pulling assembly, the limit block is fixedly connected to the rotation center, and the tension spring is installed between the clamping block and the backrest, the clamping block is rotatably connected to the backrest, and is located on the side of the backrest close to the clamping block.

2. The middle row folding structure seat according to claim 1, characterized in that: The base includes a bottom frame, a rear support and two front support members. The bottom frame is rotatably connected to the backrest and is located on one side of the backrest. The rear support member is installed on the side of the base away from the backrest. The two front support members are respectively installed on the side of the bottom frame close to the rear support member.

3. The middle row folding structure seat according to claim 2, characterized in that: The rear support member includes two rear support frames, a rotating rod, a rotating handle, two clips and two tension springs. The two rear support frames are respectively fixedly connected to the base frame and are both located on the base frame. The rotating rod is rotatably connected to the two rear support frames and is located on the two rear support frames. The rotating handle is fixedly connected to the rotating rod and is located on the rotating rod. The two clips are respectively fixedly connected to the rotating rod and are respectively located on one side of the rotating rod close to the rear support frame. The two tension springs are respectively installed on the two clips and the two rear support frames.

4. The middle row folding structure seat according to claim 2, characterized in that: The front support member includes a connecting frame, a front support frame, a torsion spring and a fixing pin. The connecting frame is fixedly connected to the backrest and is located on the backrest. The front support frame is rotatably connected to the connecting frame. The torsion spring is installed on the front support frame and the connecting frame. The fixing pin is inserted into the connecting frame and the front support frame.

5. The middle row folding structure seat according to claim 1, characterized in that: The pulling assembly includes a mounting frame, a pull plate and a pull cable. The mounting frame is fixedly connected to the backrest and is located on the backrest. The pull plate is rotatably connected to the mounting frame and is located on one side of the mounting frame. The output end of the pull cable is fixedly connected to the pull plate, and the output end on the other side is fixedly connected to the block, and the outer layer of the pull cable is fixedly connected to the backrest.

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