CN113002387A

CN113002387A - Automobile seat capable of adjusting using area of cushion

Info

Publication number: CN113002387A
Application number: CN201911313360.6A
Authority: CN
Inventors: 郑青兰; 徐瑞; 周迁; 于婉; 李龙庆; 薛建
Original assignee: Wuhu Ruitai Auto Parts Co Ltd
Current assignee: Wuhu Ruitai Auto Parts Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2021-06-22

Abstract

The invention relates to the technical field of automobile seats, in particular to an automobile seat capable of adjusting the use area of a cushion, which also comprises the cushion and two adjusting cushions, wherein the two adjusting cushions are in transmission fit with the bottom of the cushion through a link mechanism, a driving mechanism is arranged right below the cushion, the link mechanism comprises a link rod assembly, the two link rod assemblies are in rotary connection through a rotary shaft, the axis of the rotary shaft is parallel to the length direction of the adjusting cushion, the driving mechanism is in linkage fit with the rotary shaft, the driving mechanism drives the two adjusting cushions to oppositely open and close, the use area of the cushion can be adjusted, the use area can just meet the use area of a driver, the sliding of the driver on the automobile seat is avoided, the safety hazard of the driver is reduced, the stable lifting of the adjusting cushion can be realized through the link mechanism, the redundant space of the driver sitting on the cushion is adjusted, and the comfort of the driver is improved.

Description

Automobile seat capable of adjusting using area of cushion

Technical Field

The invention relates to the technical field of automobile seats, in particular to an automobile seat capable of adjusting the using area of a cushion.

Background

Present car seat can realize holistic back-and-forth movement, lift and back-and-forth movement, adjusts driver's position of sitting because the people who drives are fat, thin height difference for it is different to sit area of occupation on car seat, and ms's area of occupation will be less than man's area of occupation generally, so on the car seat that thin and small people sat, slides easily, makes the driver always adjust the position of sitting, influences driver's driving, has certain potential safety hazard.

Disclosure of Invention

The invention aims to provide an automobile seat capable of adjusting the using area of a seat cushion so as to solve the problems in the background technology.

The technical scheme of the invention is as follows: the utility model provides a can adjust car seat of cushion usable floor area, car seat is including the back, car seat is still including the cushion articulated bottom the back and two adjustment cushions that distribute respectively in cushion position of sitting both sides, the adjustment cushion is rectangular structure, and two adjustment cushions are all through the bottom transmission cooperation of link mechanism with the cushion, be provided with under the cushion and can drive all link mechanisms and promote adjustment cushion pivoted actuating mechanism respectively, link mechanism is including along two link assembly along adjustment cushion length direction interval arrangement, and two link assembly pass through the rotation axis and rotate and connect, the rotation axis is parallel with the length direction of adjustment cushion, actuating mechanism and rotation axis linkage cooperation.

Preferably, link assembly is including the articulated seat of first articulated seat, the articulated seat of second, the head rod of J-shaped of fixed mounting on the adjustment cushion that corresponds of fixed mounting bottom, fixed mounting, first connecting rod, second connecting rod, third connecting rod and two all rotate the fourth connecting rod of being connected through axis of rotation and the articulated seat of first, the articulated seat of first articulated seat and second is the axis of rectangular structure and its length direction horizontal perpendicular to rotation axis, and the one end of two fourth connecting rods rotates with the both ends of the articulated seat respectively and is connected, and the one end of head rod is rotated with the one end that the axis of rotation was kept away from to the fourth connecting rod that is close to the cushion center and is connected, and the one end that the axis of rotation was kept away from to the fourth connecting rod that is close to the cushion side rotates with the one end of third connecting rod to be connected, the other end of third connecting rod rotates with the one end of second connecting rod to be connected, the other end that the articulated seat was kept away The seat is connected in a rotating mode, and the axis of the connecting shaft is parallel to the axis of the rotating shaft.

Preferably, one end of each fourth connecting rod close to the center of the seat cushion, which is far away from the rotating shaft, is rotatably connected with two ends of the rotating shaft.

Preferably, the first connecting rod comprises a bending part and a straight strip part which are integrally formed, one end of the bending part, which is far away from the straight strip part, is rotatably connected with the second hinging seat, and one end of the straight strip part, which is far away from the straight strip part, is rotatably connected with the first hinging seat.

Preferably, the second connecting rod is an arc-shaped rod, and one end of the second connecting rod, which is rotatably connected with the second hinge seat, is rotatably connected with one end of the second hinge seat, which is far away from the seat cushion.

Preferably, actuating mechanism including driving motor, lead screw and with lead screw transmission complex slider, the lead screw is installed on driving motor's output shaft, the central line of lead screw is parallel with the rotation axis, all overlaps on every rotation axis and is equipped with the turning block, the ball seat is installed to the turning block, be provided with two ball seats on the slider, the turning block all cooperates through the linkage of two ball seats on bulb pole and the slider.

Preferably, the sum of the lengths of the two ball rods is greater than the width of the cushion.

Preferably, each rotating shaft is provided with a limiting ring at two sides of the rotating block.

The invention provides an automobile seat capable of adjusting the using area of a cushion through improvement, and compared with the prior art, the automobile seat has the following improvements and advantages that:

one is as follows: the driving mechanism drives the two adjusting cushions to oppositely open and close, so that the use areas of the cushions can be adjusted, the use areas can just meet the use areas of drivers, the drivers are prevented from sliding on the automobile seats, and the potential safety hazards of the drivers in driving are reduced;

the second step is as follows: the adjusting cushion can be stably lifted through the link mechanism, the redundant space of a driver sitting on the cushion is adjusted, and the comfort of the driver is improved.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a perspective assembled view of the linkage mechanism, drive mechanism and adjustment cushion of the present invention;

FIG. 4 is a perspective assembled view of the linkage mechanism and drive mechanism of the present invention;

FIG. 5 is a first schematic perspective view of the linkage mechanism of the present invention;

FIG. 6 is a schematic perspective view of a second linkage mechanism according to the present invention;

description of reference numerals:

the backrest 1, the seat cushion 2, the adjusting seat cushion 3, the driving mechanism 4, the driving motor 41, the lead screw 42, the ball seat 43, the rotating block 44, the sliding block 45, the ball head rod 46, the link mechanism 5, the link assembly 6, the rotating shaft 61, the first connecting rod 62, the bending part 621, the straight strip part 622, the second connecting rod 63, the third connecting rod 64, the fourth connecting rod 65, the rotating shaft 66, the connecting shaft 67, the first hinged seat 68, the second hinged seat 69 and the limiting ring 7.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an automobile seat capable of adjusting the using area of a cushion, as shown in figures 1-6, the automobile seat comprises a backrest 1, a cushion 2 hinged with the bottom of the backrest 1 and two adjusting cushions 3 respectively distributed at two sides of the sitting posture of the cushion 2, the adjusting cushions 3 are in a long-strip structure, the two adjusting cushions 3 are in transmission fit with the bottom of the cushion 2 through link mechanisms 5, a driving mechanism 4 capable of driving all the link mechanisms 5 to respectively push the adjusting cushions 3 to rotate is arranged right below the cushion 2, the link mechanisms 5 comprise two link assemblies 6 arranged at intervals along the length direction of the adjusting cushions 3, the two link assemblies 6 are in rotary connection through rotary shafts 61, the axes of the rotary shafts 61 are parallel to the length direction of the adjusting cushions 3, the driving mechanism 4 is in linkage fit with the rotary shafts 61, two rotation axis 61 of actuating mechanism 4 pulling move towards the middle of cushion 2 for link mechanism 5 will adjust cushion 3 dorsad towards the outer rotation of winding, thereby enlarge the usable floor area of cushion 2, two rotation axis 61 of actuating mechanism 4 pulling are promoted towards cushion 2 both sides, make link mechanism 5 will adjust cushion 3 subtend towards the interior rotation of winding, thereby reduce the usable floor area of cushion 2.

The connecting rod assembly 6 comprises a first hinged seat 68 fixedly arranged at the bottom of the seat cushion 2, a second hinged seat 69 fixedly arranged on the corresponding adjusting seat cushion 3, a J-shaped first connecting rod 62, a second connecting rod 63, a third connecting rod 64 and two fourth connecting rods 65 which are respectively and rotatably connected with the first hinged seat 68 through a rotating shaft 66, wherein the first hinged seat 68 and the second hinged seat 69 are both of a long strip structure, the length direction of the first hinged seat is horizontally vertical to the axis of the rotating shaft 61, one ends of the two fourth connecting rods 65 are respectively and rotatably connected with two ends of the first hinged seat 68, one end of the first connecting rod 62 is rotatably connected with one end, which is close to the center of the seat cushion 2, of the fourth connecting rod 65, which is close to the side of the seat cushion 2 and is far away from the rotating shaft 66, and one end of the third connecting rod 64 are rotatably connected, and the other end of the third connecting rod 64 is rotatably connected with one end of, the other end of the second connecting rod 63 and one end of the first connecting rod 62 far away from the first hinged seat 68 are rotatably connected with the second hinged seat 69 through a connecting shaft 67, the axis of the connecting shaft 67 is parallel to the axis of the rotating shaft 61, when the driving mechanism 4 drives the rotating shaft 61 to move towards the middle of the seat cushion 2, the two fourth connecting rods 65 rotate towards the middle position of the bottom of the seat cushion 2 around the rotating shaft 66, the second connecting rod 63 is linked with the third connecting rod 64, so that the first connecting rod 62 rotates downwards, the second hinged seat 69 rotates downwards, the seat cushion 3 is adjusted to be flattened, the use area of the seat cushion 2 is enlarged, when the driving mechanism 4 drives the rotating shaft 61 to move towards the two sides of the seat cushion 2, the two fourth connecting rods 65 rotate towards the bottom edge position of the seat cushion 2 around the rotating shaft 66, the second connecting rod 63 is linked with the third connecting rod 64, so that, so that the second hinge seat 69 rotates upward and the adjustable seat cushion 3 is raised, thereby reducing the usable area of the seat cushion 2.

One end of each of the fourth connecting rods 65, which is far from the rotating shaft 66, close to the center of the seat cushion 2 is rotatably connected with two ends of the rotating shaft 61, the driving mechanism 4 can pull the rotating shaft 61, so that the two connecting rod assemblies 6 are linked at the same time,

the first connecting rod 62 comprises a curved portion 621 and a straight portion 622 which are integrally formed, one end of the curved portion 621, which is far away from the straight portion 622, is rotatably connected with the second hinge seat 69, one end of the straight portion 622, which is far away from the straight portion 622, is rotatably connected with the first hinge seat 68, the larger the radius of the curved portion 621 is, the higher the adjustment seat cushion 3 can be lifted, and one end of the straight portion 622, which is near the curved portion 621, is rotatably connected with the bottom end of the fourth connecting rod 65, which is located outside the first hinge seat 68.

The second connecting rod 63 is an arc-shaped rod, one end of the second connecting rod 63 which is rotatably connected with the second hinge seat 69 is rotatably connected with one end of the second hinge seat 69 which is far away from the seat cushion 2, and the arc-shaped rod can avoid the rotation of the bending part 621 of the first connecting rod 62.

The driving mechanism 4 comprises a driving motor 41, a screw rod 42 and a slide block 45 in transmission fit with the screw rod 42, the screw rod 42 is arranged on an output shaft of the driving motor 41, the central line of the screw rod 42 is parallel to the rotating shafts 61, each rotating shaft 61 is sleeved with a rotating block 44, the rotating block 44 is provided with a ball seat 43, the sliding block 45 is provided with two ball seats 43, the rotating block 44 is in linkage fit with the two ball seats 43 on the sliding block 45 through a ball head rod 46, the driving motor 41 drives the screw rod 42 to rotate in the positive direction, so that the slide block 45 moves to the end far away from the driving motor 41, the included angle between the two ball rods 46 becomes smaller, so that the two rotary shafts 61 are moved toward the middle position of the seat cushion 2, the drive motor 41 drives the screw rod 42 to rotate reversely, the slide block 45 is moved toward the end close to the driving motor 41, so that the included angle between the two ball rods 46 is increased, and the two rotating shafts 61 are moved toward the two side positions of the seat cushion 2.

The sum of the lengths of the two ball rods 46 is greater than the width of the seat cushion 2, so that the two ball rods 46 cannot rotate to be in a straight line, and the two ball rods 46 are prevented from abutting against the two rotating shafts 61 and being incapable of rotating.

The limiting rings 7 are mounted on two sides of each rotating shaft 61, which are located on the rotating blocks 44, and after the rotating blocks 44 are sleeved on the rotating shafts 61, the limiting rings 7 can prevent the rotating blocks 44 from sliding on the rotating shafts 61.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a can adjust car seat of cushion usable floor area, car seat is including back (1), its characterized in that: the automobile seat also comprises a cushion (2) hinged with the bottom of the backrest (1) and two adjusting cushions (3) respectively distributed at two sides of the sitting posture of the cushion (2), the adjusting cushions (3) are of strip structures, the two adjusting cushions (3) are in transmission fit with the bottoms of the cushions (2) through a link mechanism (5), a driving mechanism (4) which can drive all the link mechanisms (5) to respectively drive the adjusting cushion (3) to rotate is arranged under the cushion (2), the connecting rod mechanism (5) comprises connecting rod assemblies (6) which are arranged at intervals along the length direction of the adjusting cushion (3), the two connecting rod assemblies (6) are rotationally connected through a rotating shaft (61), the axis of the rotating shaft (61) is parallel to the length direction of the adjusting cushion (3), and the driving mechanism (4) is in linkage fit with the rotating shaft (61).

2. The automobile seat capable of adjusting the use area of the seat cushion as claimed in claim 1, wherein: link assembly (6) including first articulated seat (68) of fixed mounting in cushion (2) bottom, second articulated seat (69) of fixed mounting on the adjustment cushion (3) that corresponds, the head rod (62) of J shape, second connecting rod (63), third connecting rod (64) and two all rotate fourth connecting rod (65) of being connected through axis of rotation (66) and first articulated seat (68), first articulated seat (68) and second articulated seat (69) are rectangular structure and the axis of its length direction horizontal perpendicular to rotation axis (61), the one end of two fourth connecting rods (65) rotates with the both ends of first articulated seat (68) respectively and is connected, the one end of head rod (62) rotates with the one end of keeping away from axis of rotation (66) with fourth connecting rod (65) that is close to cushion (2) center and is connected, the one end of keeping away from axis of rotation (66) and the one end of third connecting rod (64) are kept away from to fourth connecting rod (65) of cushion (2) side Rotate and connect, the other end of third connecting rod (64) rotates with the one end of second connecting rod (63) to be connected, the one end that first articulated seat (68) were kept away from to the other end of second connecting rod (63) and first connecting rod (62) all is rotated with second articulated seat (69) through connecting axle (67) and is connected, the axis of connecting axle (67) is parallel with the axis of rotation axis (61).

3. The automobile seat capable of adjusting the use area of the seat cushion as claimed in claim 2, wherein: and one ends of the fourth connecting rods (65) close to the center of the seat cushion (2) and far away from the rotating shaft (66) are rotatably connected with two ends of the rotating shaft (61).

4. The automobile seat capable of adjusting the use area of the seat cushion as claimed in claim 2, wherein: the first connecting rod (62) comprises a bending part (621) and a straight part (622) which are integrally formed, one end, far away from the straight part (622), of the bending part (621) is rotatably connected with the second hinging seat (69), and one end, far away from the straight part (622), of the straight part (622) is rotatably connected with the first hinging seat (68).

5. The automobile seat capable of adjusting the use area of the seat cushion as claimed in claim 2, wherein: the second connecting rod (63) is an arc-shaped rod, and one end of the second connecting rod (63) which is rotatably connected with the second hinge seat (69) is rotatably connected with one end of the second hinge seat (69) which is far away from the seat cushion (2).

6. The automobile seat capable of adjusting the use area of the seat cushion as claimed in claim 1, wherein: actuating mechanism (4) including driving motor (41), lead screw (42) and with lead screw (42) transmission complex slider (45), install on the output shaft of driving motor (41) lead screw (42), the central line and rotation axis (61) of lead screw (42) are parallel, all overlap on every rotation axis (61) and be equipped with turning block (44), ball seat (43) are installed in turning block (44), be provided with two ball seats (43) on slider (45), turning block (44) all through ball head pole (46) and slider (45) on two ball seats (43) linkage cooperation.

7. The automobile seat capable of adjusting the use area of the seat cushion as claimed in claim 6, wherein: the sum of the lengths of the two ball head rods (46) is larger than the width of the cushion (2).

8. The automobile seat capable of adjusting the use area of the seat cushion as claimed in claim 6, wherein: and each rotating shaft (61) is positioned on two sides of the rotating block (44) and is provided with a limiting ring (7).