CN217170509U - Angle adjusting device for seat cushion, seat and vehicle - Google Patents

Abstract

The present disclosure relates to an angle adjusting device for a seat cushion, a seat and a vehicle, wherein the adjusting device comprises: a rotating shaft for being rotatably installed at a front end of the seat frame, the rotating shaft extending in a width direction of the seat; the supporting piece is fixed on the rotating shaft, is provided with a supporting surface for supporting the cushion body, is an arc-shaped surface which is bulged upwards, and is configured to gradually push the front end of the cushion body upwards when the rotating shaft rotates along a first direction; and the driving mechanism is used for being installed on the seat framework and driving the rotating shaft to rotate. The adjusting device is simple in structure, the problem that the seat cushion angle adjusting device cannot be arranged due to space limitation in the seat in the related art is solved, and the requirement for comfort of legs of passengers is met.

Description

Angle adjusting device for seat cushion, seat and vehicle

Technical Field

The present disclosure relates to the technical field of vehicle accessories, and particularly to an angle adjusting device for a seat cushion, a seat and a vehicle.

Background

With the increasing standard of living, the requirements of drivers and passengers on the comfort of vehicle seats are also increased. In the long-time driving, the legs of the driver inevitably feel tired. In the related art, the comfort of the automobile seat to the seat cushion part is improved a little, most of the seat cushion adjusting mechanisms commonly used by the automobile are used for adjusting the length of the seat cushion, and the automobile seat cannot meet the use requirement of the automobile seat to users due to the limited arrangement space.

SUMMERY OF THE UTILITY MODEL

A first object of the present disclosure is to provide an angle adjustment device for a seat cushion, which is capable of at least partially solving the problems of the prior art.

A second object of the present disclosure is to provide a seat provided with the angle adjusting device of the seat cushion provided by the present disclosure.

A third object of the present disclosure is to provide a vehicle provided with the seat provided by the present disclosure.

In order to achieve the above object, an aspect of the present disclosure is to provide an angle adjusting device for a seat cushion, the adjusting device including:

a rotating shaft rotatably mounted at a front end of the seat frame, the rotating shaft extending in a width direction of the seat;

the supporting piece is fixed on the rotating shaft, is provided with a supporting surface for supporting the cushion body, is an arc-shaped surface which is raised upwards, and is configured to gradually push the front end of the cushion body upwards when the rotating shaft rotates along a first direction;

and the driving mechanism is used for being installed on the seat framework and driving the rotating shaft to rotate.

Optionally, the supporting member is fixedly sleeved on the rotating shaft, and the distance between the arc-shaped contour line of the supporting surface and the rotating shaft gradually increases from back to front along the length direction of the seat.

Optionally, the supporting member is configured in a block shape and includes two end surfaces arranged at an interval in an axial direction of the rotating shaft, a bottom plane connected between the two end surfaces, and a top arc surface connected between the two end surfaces, the top arc surface forming the supporting surface.

Optionally, the number of the supporting members is two, and the supporting members are symmetrically arranged along the longitudinal center line of the seat.

Optionally, the drive mechanism comprises:

the driving motor is used for outputting driving force for driving the rotating shaft to rotate;

the driving gear is arranged at the output end of the driving motor and is used for transmitting the driving force; and

and one end of the toothed plate is fixedly connected with the rotating shaft, and the other end of the toothed plate is meshed with the tooth surface of the driving gear so as to be used for transmitting the driving force.

In a second aspect of the present disclosure, there is provided a seat comprising a seat cushion and a seat back, the seat cushion being provided with an angle adjustment device for the seat cushion, the angle adjustment device being an angle adjustment device for the seat cushion according to the above.

Optionally, the seat cushion includes the cushion skeleton, the cushion firmware includes the other fishplate bar in left side, the other fishplate bar in right side and connects the setting and be in the other fishplate bar in left side with the cushion rear side stay tube between the other fishplate bar in right side, so that the cushion skeleton structure is the U type structure of opening towards the front side, the pivot is rotationally installed respectively along axial direction's both ends on the other fishplate bar in left side and the other fishplate bar in right side.

Optionally, the left side connection plate and the right side connection plate are respectively and symmetrically provided with mounting holes, and bushings at two ends of the rotating shaft in the axial direction are arranged in the mounting holes in a sleeved mode.

Optionally, the seat further comprises a bowl housed inside the U-shaped structure.

In a third aspect of the disclosure, a vehicle is provided comprising a seat according to the above.

Through the technical scheme, the adjusting device comprises the rotating shaft arranged on the seat framework along the width direction of the seat, the driving mechanism for driving the rotating shaft to rotate is arranged on the seat framework, and the supporting piece for pushing the cushion body to rotate is fixed on the rotating shaft. The adjusting device is simple in structure, low in cost and convenient to install, the problem that the seat cushion angle adjusting device cannot be arranged due to space limitation in the seat in the related art is solved, and the requirement for comfort of legs of passengers is met.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

figure 1 is a schematic structural view of a seat cushion provided in an exemplary embodiment of the present disclosure;

FIG. 2 is an enlarged view of portion A of FIG. 1;

figure 3 is a schematic structural view of a seat cushion provided in another exemplary embodiment of the present disclosure;

fig. 4 is a schematic structural view of a seat provided in an exemplary embodiment of the present disclosure.

Description of the reference numerals

10-a seat frame; 11-left side bypass plate; 12-right side bypass plate; 13-supporting the rear side of the cushion; 20-an angle-adjusting support; 21-end face; 22-a peripheral surface; 22 a-a support surface; 22 b-bottom plane; 30-a drive mechanism; 31-a drive motor; 32-a drive gear; 33-toothed plate; 40-a rotating shaft; 50-a liner; 60-sitting in a basin; 70-seat back.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner" and "outer" is made with respect to the inherent profile of the corresponding component, unless otherwise specified; the terms of orientation such as "upper", "lower", "top", "bottom", "left" and "right" are defined based on fig. 1, specifically, one side indicated by a Z arrow in fig. 1 is upper and top, otherwise, lower and bottom, one side indicated by a Y arrow is right, otherwise, left, one side indicated by an X arrow is rear, otherwise, front, and in addition, the Z direction indicates the height direction of the seat, the Y direction indicates the width direction of the seat, the X direction indicates the length direction of the seat, specifically, the upper, lower, top and bottom may be the longitudinal direction of the vehicle, the front and rear may be the traveling direction of the vehicle, and the left and right may be the transverse direction of the vehicle. Terms such as "first," "second," and the like, used in this disclosure are intended to distinguish one element from another, and are not sequential or significant. Further, in the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements.

Referring to fig. 1-4, the present disclosure provides an angle adjustment device for a seat cushion, which may include a support 20, a driving mechanism 30, and a rotation shaft 40. The rotating shaft 40 may be rotatably mounted on the front end of the seat frame 10, and the length direction of the rotating shaft 40 may extend in the width direction of the seat. The support member 20 may be fixed to the rotation shaft 40 to rotate with the rotation of the rotation shaft 40, and may have a support surface 22a for supporting a cushion body, which may be a cushion made of foam, placed on the support member 20. The supporting surface 22a may be an arc surface protruding upward, and may be configured to gradually push the front end of the seat cushion body upward when the rotating shaft 40 rotates along the first direction (counterclockwise direction of the drawing direction shown in fig. 1), and the driving mechanism 30 may further drive the rotating shaft 40 to rotate along the second direction (i.e., clockwise direction of the drawing direction shown in fig. 1), so as to gradually drive the front end of the seat cushion body to move downward, thereby satisfying the user's use requirement. Set to setting up the arcwall face through with holding surface 22a for holding surface 22a surface is smooth and smooth transition, has improved the stability to cushion body angle modulation and support. The driving mechanism 30 may be mounted on the seat frame 10 and drives the rotating shaft 40 to rotate, so as to drive the supporting member 20 to rotate through the rotating shaft 40 to adjust the angle of the seat cushion, thereby improving the accuracy of the angle adjustment.

Through the technical scheme, the adjusting device comprises the rotating shaft 40 arranged on the seat frame 10 along the width direction of the seat, the driving mechanism 30 for driving the rotating shaft 40 to rotate is arranged on the seat frame 10, the supporting piece 20 used for pushing the seat cushion body to rotate is fixed on the rotating shaft 40, the adjusting device is simple in structure, low in cost and convenient to install, the problem that the seat cushion angle adjusting device cannot be arranged due to space limitation in the seat in the related art is solved, and the requirement for the comfort of legs of passengers is met.

Referring to fig. 1 to 4, the supporting member 20 may be fixedly sleeved on the rotating shaft 40, and according to some embodiments provided by the present disclosure, the supporting member 20 may be relatively fixed to the rotating shaft 40 by welding, so as to effectively improve the connection strength between the supporting member 20 and the rotating shaft 40, improve the overall effect of the adjusting device, and ensure the precision of the angle adjustment of the supporting member 20 on the cushion body. The distance between the arc-shaped contour line of the supporting surface 22a and the rotating shaft 40 can be gradually increased from back to front along the length direction of the seat, so that the angle adjusting effect is ensured while the supporting effect of the supporting surface 22a on the cushion body is improved.

Referring to fig. 1 to 4, the supporting member 20 may be configured in a block shape to secure a supporting strength of the supporting member 20 to the cushion body. The support 20 may include an end face 21 and a bottom flat surface 22b and a top curved surface. Two terminal surfaces 21 can be along the axial interval setting of pivot 40, can be formed with the via hole that supplies pivot 40 to rotate on the terminal surface 21 symmetrically, in order to install support piece 20 on pivot 40, make the arranging between support piece 20 and the pivot 40 compacter, and then guarantee support piece 20 and pivot 40's joint strength, make adjusting device's whole effect stronger, ensured the effect that support piece 20 promoted the cushion body, adjust with the diagonal degree. The support member 20 may further include a bottom plane 22b connected between the two end surfaces 21 and a top arc surface connected between the two end surfaces 21, the top arc surface may be formed as a support surface 22a, the support member 20 may be configured as a hollow shell structure, the support effect and the transmission effect are ensured, meanwhile, the mass of the support member 20 is reduced, the lightweight design principle of the component is met, and the production cost is reduced.

Referring to fig. 1, 3 and 4, the number of the supporting members 20 may be two, and the two supporting members are symmetrically arranged along the longitudinal center line of the seat, so that the cushion body is uniformly stressed, and the pushing effect on the cushion body is ensured. According to some embodiments provided by the present disclosure, the size and number of the supporting members 20 can be adjusted according to the width of the seat cushion body, so as to meet the requirement of adjusting the degrees of seats with different widths, and the universality of the universal adjusting device is improved.

Referring to fig. 1-4, the drive mechanism 30 may include a drive motor 31, a drive gear 32, and a toothed plate 33. According to some embodiments provided by the present disclosure, when the seat frame 10 includes the left side bypass plate 11 and the right side bypass plate 12, which will be mentioned below, the driving motor 31 may be fixed to one of the left side bypass plate 11 or the right side bypass plate 12, and as shown in the embodiment shown in fig. 2, the driving motor 31 may be disposed on the right side bypass plate 12 and disposed close to the rotation shaft 40 so as to output a driving force for driving the rotation shaft 40 to rotate; or, in order to increase the driving force, the driving motors 31 may be provided at the left side bypass plate 11 and the right side bypass plate 12, respectively. The driving gear 32 may be disposed at an output end of the driving motor 31 for transmitting a driving force, according to some embodiments provided by the present disclosure, the driving motor 31 may be a recliner motor, and the driving gear 32 may be a driving gear on the recliner motor. One end of the toothed plate 33 may be fixedly connected to the rotating shaft 40, for example, may be fixed to one end of the rotating shaft 40 in the axial direction by welding, and the other end may be configured to engage with a tooth surface of the driving gear 32, so as to transmit the driving force and ensure the transmission effect. Pinion rack 33 can correspond driving motor 31 and laminate in right side backup pad 12 setting, and the flank of tooth height of pinion rack 33 can support the high phase-match of curb plate 12 with the right side to guarantee support piece 20's rotation range, make adjusting device have great regulation stroke, and then satisfy the user demand, through setting up actuating mechanism 30, can avoid the poor problem of manual operation precision.

The adjusting device that this disclosure provided can be used as the modularization device, according to the motorcycle type of difference, only need adaptability ground adjustment pivot length, two support piece's distance and whole device mounted position etc. can.

According to a second aspect of the present disclosure, there is provided a seat, referring to fig. 1, the seat may include a seat cushion and a seat back 70, the seat cushion may be provided with an angle adjustment device for the seat cushion, the adjustment device is an adjustment device according to the above, and the seat has all the advantages of the above adjustment device, which will not be described herein again.

Referring to fig. 1 and 4, the seat cushion may include a seat frame 10, the seat frame 10 may include a left side bypass plate 11, a right side bypass plate 12, and a cushion rear support pipe 13 connected between the left side bypass plate 11 and the right side bypass plate 12, such that the seat frame 10 is configured as a U-shaped structure with an opening facing to the front side, and according to some embodiments provided by the present disclosure, the cushion rear support pipe 13 between the left side bypass plate 11 and the right side bypass plate 12 may be respectively made of metal and fixed to each other by welding, so as to ensure reliability of connection. The both ends of pivot 40 along axial direction can rotationally install respectively on the other fishplate bar of left side 11 and the other fishplate bar 12 of right side, can enclose into confined rectangle structure with seat skeleton 10, can guarantee that seat skeleton 10 has stronger stability, guarantee that the mounted position of pivot 40 has the reliability, guarantee adjusting device's steady operation.

Referring to fig. 1 to 4, the left side bypass plate 11 and the right side bypass plate 12 may be respectively and symmetrically provided with mounting holes for rotatably mounting both ends of the rotating shaft 40 on the left side bypass plate 11 and the right side bypass plate 12, respectively. The adjusting device may further include bushings 50 disposed at two ends of the rotating shaft 40 in the axial direction, and the bushings 50 may be disposed in the mounting holes. According to some embodiments that this disclosure provided, bush 50 can rotationally set up in the mounting hole, and two bushes 50 can be fixed respectively at the both ends of pivot 40 through the welding to avoid pivot 40 tip outer wall and mounting hole inboard to produce stress concentration, prevent that the pivot 40 from rotating the in-process and appearing the card pause, lead to the problem that can't carry out angle modulation even, and can guarantee the security and the life of part, ensure pivot 40 and rotate the stability of in-process. The outer diameter of the bushing 50 can be changed according to mounting holes with different inner diameters, and therefore the universality of the adjusting device is improved. The outer peripheral face of the end portion, close to the axial direction of the outer side of the seat, of the two bushings 50 can be respectively provided with a protruding portion which is radially outwards protruded, the inner side wall of each protruding portion can be attached to the left side connecting plate 11 and the right side connecting plate 12, the rotating shaft 40 is limited in the left and right directions, the stability of the rotating process of the rotating shaft 40 can be effectively improved, the installation reliability of the rotating shaft 40 can be effectively improved, and the overall effect of the seat is improved.

Referring to fig. 1, 3 and 4, the seat may further include a bowl 60 housed within the U-shaped structure. According to some embodiments provided by the present disclosure, the configuration of the outer contour of the bowl 60 may match the configuration of the inner contour of the U-shaped mechanism, and the outer periphery of the bowl 60 may be connected with the left side connecting plate 11, the right side connecting plate 12 and the cushion rear side supporting tube 13 by welding, respectively, to ensure the stability of the seat cushion.

In a third aspect of the disclosure, a vehicle is provided comprising a seat according to the above. The vehicle has all the benefits of the seat provided by the present disclosure and will not be described in detail herein.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the above embodiments, the various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations will not be further described in the present disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. An angle adjustment device for a seat cushion, characterized in that the adjustment device comprises:

a rotating shaft (40) rotatably mounted at the front end of the seat frame (10), the rotating shaft (40) extending in the width direction of the seat;

a support member (20) fixed to the rotary shaft (40), having a support surface (22a) for supporting a cushion body, the support surface (22a) being an arc-shaped surface rising upward and configured to gradually push a front end of the cushion body upward when the rotary shaft (40) rotates in a first direction;

and the driving mechanism (30) is used for being installed on the seat framework (10) and driving the rotating shaft (40) to rotate.

2. The angle adjusting apparatus according to claim 1, wherein the supporting member (20) is fixedly fitted over the rotating shaft (40), and a distance between the arc-shaped contour of the supporting surface (22a) and the rotating shaft (40) is gradually increased from the rear to the front along the length direction of the seat.

3. The angle adjusting apparatus according to claim 2, characterized in that the support member (20) is configured in a block shape and includes two end surfaces (21) provided at intervals in an axial direction of the rotary shaft (40), a bottom flat surface (22b) connected between the two end surfaces (21), and a top arc surface connected between the two end surfaces (21), the top arc surface forming the support surface (22 a).

4. Angle adjusting device according to one of claims 1 to 3, characterized in that the number of supports (20) is two, arranged symmetrically along the longitudinal center line of the seat.

5. The angular adjustment device of claim 1, wherein the drive mechanism (30) comprises:

a drive motor (31) for outputting a drive force for driving the rotation shaft (40) to rotate;

a driving gear (32) provided at an output end of the driving motor (31) for transmitting the driving force; and

and a toothed plate (33) having one end fixedly connected to the rotating shaft (40) and the other end configured to be engaged with a tooth surface of the driving gear (32) for transmitting the driving force.

6. A seat comprising a seat cushion on which an angle adjusting device for the seat cushion is provided and a seat back (70), the angle adjusting device being the angle adjusting device for the seat cushion according to any one of claims 1 to 5.

7. The seat according to claim 6, characterized in that the seat cushion comprises a seat frame (10), the seat frame (10) comprises a left side bypass plate (11), a right side bypass plate (12), and a cushion rear side support tube (13) disposed between the left side bypass plate (11) and the right side bypass plate (12) in a connected manner, so that the seat frame (10) is configured into a U-shaped structure with an opening facing the front side, and both ends of the rotation shaft (40) in the axial direction are rotatably mounted on the left side bypass plate (11) and the right side bypass plate (12), respectively.

8. The seat according to claim 7, wherein the left side bypass plate (11) and the right side bypass plate (12) are respectively provided with symmetrically arranged mounting holes, and the mounting holes are internally provided with bushings (50) which are sleeved at two ends of the rotating shaft (40) in the axial direction.

9. The seat according to claim 7, further comprising a bowl (60) housed inside the U-shaped structure.

10. A vehicle, characterized in that it comprises a seat according to any one of claims 6-9.

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