Turnover self-locking automobile seat

Abstract

The utility model relates to the technical field of automobile seats, in particular to a folding self-locking automobile seat which comprises a base, a first rack is fixedly connected to the middle of the top end of the base, a cushion framework is slidably connected to the top end of the base, a leg supporting framework is rotatably connected to one end of the cushion framework, and a backrest framework is rotatably connected to the other end of the cushion framework. A linkage assembly is arranged between the leg support framework and the backrest framework, an operation box is fixedly connected to the bottom end of the cushion framework, a groove is formed in one side of the operation box, a second rack is slidably connected to the interior of the groove, a sliding rod is fixedly connected to the top end of the second rack, and a servo motor is fixedly connected to the other side of the interior of the operation box; through the arrangement of the linkage assembly, the seat is driven by a servo motor during use, and the leg support framework and the backrest framework are synchronously adjusted through a linkage rod, so that the seat is simple and rapid to adjust, and the requirement of a user for rapidly adjusting the sitting posture of the seat in different scenes can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile seat, specifically relates to a folding self -locking automobile seat. BACKGROUND

[0002] Automobile seat can be divided into split seat, long seat according to shape, can be divided into fixed type, detachable type, adjustable type according to function, can be divided into single seat, double seat, multi-person seat according to the number of passengers, according to the use performance of seat, from the earliest fixed seat, has developed to the multifunctional power adjustment seat, there are air cushion seat, electric seat, stereo sound seat, until electronic adjustment seat, is divided into leather seat and flannelette seat according to material, there are also some special use object's seat, such as child seat and racing seat.

[0003] In the daily use of automobile, the functionality and safety of seat have higher requirements, however, the existing automobile seat has some problems in use, the folding structure of part automobile seat is complex, needs manual operation of multiple steps, for example, unlocking fixing device first, then manually lifting or laying down seat back and seat cushion, which is relatively cumbersome, time-consuming and laborious in actual use.

[0004] Some seats have folding function, but the locking mechanism is not stable, and the folded and locked seat may be loose or even accidentally unlocked due to road bumps and other reasons during vehicle driving, which not only affects the comfort of riding, but also may threaten the safety of passengers. UTILITY MODEL CONTENTS

[0005] In view of the above shortcomings of the prior art, the utility model provides a folding self-locking automobile seat, which can effectively solve the problems in the background art.

[0006] To achieve the above purpose, the utility model realizes by the following technical scheme:

[0007] The utility model provides a folding self-locking automobile seat, which comprises:

[0008] The bottom base is fixedly connected with a first rack at the middle of the top end, and the top end of the bottom base is slidingly connected with a seat cushion framework;

[0009] One end of the seat cushion framework is rotatably connected with a leg support framework, and a linkage assembly is arranged between the leg support framework and the backrest framework;

[0010] The other end of the seat cushion framework is rotatably connected with a backrest framework, and the bottom end of the seat cushion framework is fixedly connected with an operation box;

[0011] One side of the operation box is provided with a groove, and a second rack is slidingly connected in the groove, and the top end of the second rack is fixedly connected with a sliding rod;

[0012] The other side of the operation box is fixedly connected with a servo motor, and the middle part of the operation box is rotatably connected with a rotating shaft.

[0013] Further, the four corners of the bottom end of the base are fixedly connected with fixing blocks, and the two sides of the top end of the base are fixedly connected with guide rails, and the middle part of the guide rail is provided with a sliding groove.

[0014] Further, the two sides of the bottom end of the cushion framework are fixedly connected with supporting legs, and the bottom end of the supporting leg is fixedly connected with a sliding block which is slidingly connected in the inside of the sliding groove.

[0015] Further, the linkage assembly comprises a cross rod, the two ends of the cross rod are fixedly connected with linkage rods, one end of the linkage rod is rotatably connected between the leg support framework, the other end of the linkage rod is rotatably connected with the backrest framework, the middle part of the cross rod is fixedly connected with a sleeve ring which is sleeved on the surface of the sliding rod.

[0016] Further, the two sides of the operation box are fixedly connected with connecting rods, the other end of the connecting rod is fixedly connected with the supporting leg, one side of the inside of the operation box is fixedly connected with a fixing seat which is fixedly connected between the servo motor.

[0017] Further, the two sides of the groove are provided with limiting grooves, and the two sides of the second rack are fixedly connected with limiting blocks which are slidingly connected in the inside of the limiting groove.

[0018] Further, the output end of the servo motor is connected with a worm through a spline, the middle part of the surface of the rotating shaft is fixedly connected with a large gear, one side of the surface of the rotating shaft is fixedly connected with a worm wheel, and the other side of the surface of the rotating shaft is fixedly connected with a small gear.

[0019] Further, the worm is meshingly connected with the worm wheel, the large gear is meshingly connected with the first rack, and the small gear is meshingly connected with the second rack.

[0020] Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

[0021] Through the linkage assembly, the rotating shaft is driven to rotate by the servo motor during use, and then the linkage rod is driven to move by the mutual cooperation between the small gear, the second rack, the sliding rod, the cross rod and the sleeve ring, and the leg support framework and the backrest framework are synchronously adjusted by the linkage rod, so that the folding operation of the seat is simple and fast, and the demand of the user for quickly adjusting the sitting posture of the seat in different scenes can be met.

[0022] Through the setting of the worm and the worm wheel, the worm is driven to rotate by the servo motor during use, and then the worm drives the worm wheel to rotate, but the worm wheel cannot drive the worm to rotate in reverse, so that the seat realizes self-locking after adjustment, thereby ensuring that the seat can be reliably locked after adjustment, and the safety and comfort of the passenger are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0024] Fig. 1 It is a whole structure schematic diagram of the folding self-locking automobile seat of the present application.

[0025] Fig. 2 It is a base structure schematic diagram of the folding self-locking automobile seat of the present application.

[0026] Fig. 3 It is a back structure schematic diagram of the folding self-locking automobile seat of the present application.

[0027] Fig. 4 It is a side structure schematic diagram of the folding self-locking automobile seat of the present application.

[0028] Fig. 5 It is a linkage assembly structure schematic diagram of the folding self-locking automobile seat of the present application.

[0029] Fig. 6 It is an operation box structure schematic diagram of the folding self-locking automobile seat of the present application.

[0030] The numbers in the drawings respectively represent:

[0031] 1, base; 101, fixed block; 2, guide rail; 201, sliding groove; 3, first rack; 4, cushion framework; 401, supporting leg; 402, sliding block; 5, leg support framework; 6, backrest framework; 7, linkage assembly; 701, cross rod; 702, linkage rod; 703, collar; 8, operation box; 801, connecting rod; 802, groove; 803, limiting groove; 804, fixed seat; 9, servo motor; 901, worm; 10, rotating shaft; 11, large gear; 12, worm gear; 13, small gear; 14, second rack; 1401, limiting block; 1402, sliding rod. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] The utility model will be further described below in combination with embodiments.

[0034] Embodiment 1

[0035] With reference to Figs. 1-6 For the first embodiment of the utility model, a folding self-locking automobile seat is disclosed, comprising: a base 1, the middle part of the top end of the base 1 is fixedly connected with a first rack 3, the top end of the base 1 is slidably connected with a cushion framework 4, one end of the cushion framework 4 is rotatably connected with a leg support framework 5, the other end of the cushion framework 4 is rotatably connected with a backrest framework 6, a linkage assembly 7 is arranged between the leg support framework 5 and the backrest framework 6, the bottom end of the cushion framework 4 is fixedly connected with an operation box 8, a recess 802 is formed in one side of the operation box 8, a second rack 14 is slidably connected in the recess 802, the top end of the second rack 14 is fixedly connected with a sliding rod 1402, the other side in the operation box 8 is fixedly connected with a servo motor 9, and the middle part of the operation box 8 is rotatably connected with a rotating shaft 10.

[0036] Through the arrangement of the linkage assembly 7, the rotating shaft 10 is driven to rotate by the servo motor 9 during use, and then the linkage rod 702 is driven to move through the mutual cooperation between the pinion 13, the second rack 14, the sliding rod 1402, the cross rod 701 and the sleeve ring 703, the leg support framework 5 and the backrest framework 6 are synchronously adjusted through the linkage rod 702, so that the folding operation of the seat is simple and fast, and the demand of the user for quickly adjusting the sitting posture of the seat in different scenes can be met.

[0037] Embodiment 2

[0038] With reference to Figs. 1-6 For the second embodiment of the utility model, the difference between this embodiment and the first embodiment is:

[0039] The bottom end of the base 1 is fixedly connected with a fixed block 101 at four corners, both sides of the top end of the base 1 are fixedly connected with a guide rail 2, a sliding groove 201 is formed in the middle of the guide rail 2, both sides of the bottom end of the cushion framework 4 are fixedly connected with a supporting leg 401, the bottom end of the supporting leg 401 is fixedly connected with a sliding block 402, the sliding block 402 is slidingly connected in the sliding groove 201, the linkage assembly 7 comprises a cross rod 701, both ends of the cross rod 701 are fixedly connected with a linkage rod 702, one end of the linkage rod 702 is rotatably connected with the leg support framework 5, the other end of the linkage rod 702 is rotatably connected with the backrest framework 6, and the middle of the cross rod 701 is fixedly connected with a sleeve ring 703, and the sleeve ring 703 is sleeved on the surface of the sliding rod 1402.

[0040] Both sides of the operation box 8 are fixedly connected with a connecting rod 801, the other end of the connecting rod 801 is fixedly connected with the supporting leg 401, one side of the inside of the operation box 8 is fixedly connected with a fixed seat 804, the fixed seat 804 is fixedly connected with the servo motor 9, both sides of the recess 802 are provided with a limiting groove 803, both sides of the second rack 14 are fixedly connected with a limiting block 1401, and the limiting block 1401 is slidingly connected in the limiting groove 803, the output end of the servo motor 9 is connected with a worm 901 in the form of spline, the middle of the surface of the rotating shaft 10 is fixedly connected with a large gear 11, one side of the surface of the rotating shaft 10 is fixedly connected with a worm wheel 12, the other side of the surface of the rotating shaft 10 is fixedly connected with a small gear 13, the worm 901 is meshed with the worm wheel 12, the large gear 11 is meshed with the first rack 3, and the small gear 13 is meshed with the second rack 14.

[0041] Through the arrangement of the worm 901 and the worm wheel 12, when in use, the worm 901 is driven to rotate by the servo motor 9, and then the worm 901 drives the worm wheel 12 to rotate, but the worm wheel 12 cannot drive the worm 901 to rotate in the reverse direction, so that the seat can be self-locked after adjustment, and the safety and comfort of passengers can be ensured.

[0042] The remaining structure is the same as that of the structure of the embodiment 1.

[0043] The working principle of the utility model is:

[0044] Firstly, the base 1 is fixedly connected with the automobile chassis through the fixed block 101, and then the servo motor 9 is connected with the automobile control button.

[0045] Secondly, when the seat needs to be folded and adjusted, the servo motor 9 is started in forward rotation through the external control button, the servo motor 9 drives the worm 901 to rotate, and then the worm 901 and the worm wheel 12 are matched to drive the rotating shaft 10 to rotate, through the setting of the linkage assembly 7, the rotating shaft 10 is driven to rotate by the servo motor 9 during use, and then the linkage rod 702 is driven to move through the mutual cooperation between the pinion 13, the second rack 14, the slide rod 1402, the cross rod 701 and the sleeve ring 703, the leg support frame 5 and the backrest frame 6 are adjusted synchronously through the linkage rod 702, so that the folding operation of the seat is simple and fast, and the needs of users for quickly adjusting the sitting posture of the seat in different scenes can be met, and vice versa, the servo motor 9 is reversed to restore the initial state, through the setting of the large gear 11 and the first rack 3, when the seat is unfolded and adjusted, the cushion frame 4 will move to the front end of the base 1 under the cooperation between the first rack 3 and the large gear 11, so that the effect of reasonable use of space is achieved, and the utilization rate of the space in the vehicle is improved.

[0046] Finally, through the setting of the worm 901 and the worm wheel 12, the worm 901 is driven to rotate by the servo motor 9 during use, and then the worm wheel 12 is driven to rotate by the worm 901, but the worm wheel 12 cannot drive the worm 901 to rotate in reverse, so that the effect of self-locking of the seat after adjustment is achieved, and then the seat can be reliably locked after adjustment, and the safety and comfort of passengers are ensured.

[0047] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A folding self-locking car seat, characterized in that, include: The base has a first toothed rack fixedly connected to the middle of its top end, and a seat frame slidably connected to the top end of the base. One end of the seat cushion frame is rotatably connected to the leg support frame, and a linkage component is provided between the leg support frame and the backrest frame. The other end of the seat cushion frame is rotatably connected to the backrest frame, and the bottom end of the seat cushion frame is fixedly connected to the control box. A groove is provided on one side of the control box, and a second rack is slidably connected inside the groove. A slide rod is fixedly connected to the top of the second rack. A servo motor is fixedly connected to the other side of the inside of the control box, and a rotating shaft is rotatably connected to the middle of the control box.

2. The folding self-locking car seat according to claim 1, characterized in that, Fixing blocks are fixedly connected to the four corners of the bottom of the base, and guide rails are fixedly connected to both sides of the top of the base. A sliding groove is opened in the middle of the guide rail.

3. The folding self-locking car seat according to claim 2, characterized in that, Both sides of the bottom end of the seat frame are fixedly connected to support legs, and the bottom end of each support leg is fixedly connected to a slider, which is slidably connected inside the slide groove.

4. The folding self-locking car seat according to claim 1, characterized in that, The linkage assembly includes a crossbar, with linkage rods fixedly connected to both ends of the crossbar. One end of the linkage rod is rotatably connected to the leg support frame, and the other end of the linkage rod is rotatably connected to the backrest frame. A collar is fixedly connected to the middle of the crossbar, and the collar is sleeved on the surface of the slide rod.

5. The folding self-locking car seat according to claim 1, characterized in that, Both sides of the control box are fixedly connected to connecting rods, and the other end of the connecting rods is fixedly connected to the support leg. A fixed seat is fixedly connected to one side inside the control box, and the fixed seat is fixedly connected to the servo motor.

6. The folding self-locking car seat according to claim 1, characterized in that, Limiting grooves are provided on both sides of the groove, and limiting blocks are fixedly connected to both sides of the second rack. The limiting blocks are slidably connected inside the limiting grooves.

7. The folding self-locking car seat according to claim 1, characterized in that, The output end of the servo motor is connected to a worm gear via a spline. A large gear is fixedly connected to the middle of the surface of the rotating shaft. A worm wheel is fixedly connected to one side of the surface of the rotating shaft, and a small gear is fixedly connected to the other side of the surface of the rotating shaft.

8. The folding self-locking car seat according to claim 7, characterized in that, The worm and worm wheel are meshed together, the large gear and the first rack are meshed together, and the small gear and the second rack are meshed together.

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