CN215552679U - Vehicle seat assembly and vehicle - Google Patents

Abstract

The utility model provides a vehicle seat assembly and a vehicle. Wherein, the backrest part is provided with a connecting seat, and the body of the vehicle is provided with a driving mechanism. The driving end of the driving mechanism is hinged with the connecting seat, and the backrest part is connected with the driving mechanism in a bearing mode and can swing relative to the automobile body and synchronously drive the cushion part to slide along the sliding rail. According to the vehicle seat assembly, when the backrest part is driven by the driving mechanism to swing, the backrest part can drive the cushion part hinged with the backrest part to slide back and forth due to the change of the posture of the backrest part, so that the linkage adjustment of the cushion part and the backrest part is realized, the whole seat structure is simple and efficient, the construction is convenient to implement, and the posture and the position of the vehicle seat can be adjusted.

Description

Vehicle seat assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicle seats, in particular to a vehicle seat assembly. The utility model also relates to a vehicle.

Background

The automobile seat is a system engineering product integrating ergonomics, mechanical vibration, control engineering and the like, and the production and manufacturing of the automobile seat relate to processes of stamping, welding, injection molding, sewing, assembling, foaming and the like. Comfort, safety, environmental protection and intelligence of the seat are important performance considerations; the safe, intelligent, environment-friendly, comfortable and lightweight design of the seat gradually becomes the development trend of the future automobile seat.

The function of the automobile seat mainly comprises the following four aspects: providing support to the occupant, providing proper seating position and attitude, providing good ride comfort, providing good restraint to the occupant. The seat should be adaptable to passengers of different heights and weights to maintain the passenger in a stable position and comfortable posture for a long time.

Therefore, in some high-grade vehicle seats, an adjustment mechanism is provided to change the position and angular posture of the seat so as to provide a proper position for the head, arms, and legs of the occupant, prevent the occupant from moving forward, backward, left, and right unintentionally, and prevent the head of the occupant from being injured during a collision. In the event of an accident, the seat should be able to cooperate with a safety restraint system to prevent injury to the occupant during movement.

In order to improve the riding comfort of passengers, particularly passengers on the back-row seats, the back-row seats of each vehicle enterprise mostly adopt measures such as multi-color, suede fabric, aviation headrest, memory headrest, double-hardness foaming and the like, and the functions of ventilation, heating, massage and the like are added. In the vehicle types such as pickup and SUV, the improvement of the seat performance is mostly embodied in the aspects of adjusting color, fabric and foaming hardness, and the like, and the vehicle types such as saloon cars and MPV are mostly improved in the aspects of fabric, handrails, functional configuration and the like.

In addition to the improvements described above, the improvement in the comfort of the seat ride is even more important, in that it ensures the desired seating posture for the occupant, accommodating different persons, and at the same time requires proper support and positioning. If the comfortable sitting posture of the passenger is not satisfied, the passenger feels pain and fatigue after sitting for a long time, and customers complain about the pain and fatigue.

Particularly, the conventional rear seat of the vehicle basically has the function of only laying down the backrest, but the sitting posture and the sitting position cannot be changed, and if a plurality of motors and corresponding transmission structures are required to be arranged according to the adjustment mode of the driving seat, the cost is too high, and the rear seat is difficult to be widely adopted. Therefore, it is necessary to develop a seat structure that can achieve posture and position adjustment and is easy to construct and implement.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a vehicle seat assembly to provide a seat structure that can achieve posture and position adjustment and is easy to construct and implement.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a vehicle seat assembly comprises a slide rail arranged on a vehicle, a seat cushion part arranged on the slide rail in a sliding way, and a backrest part arranged on the seat cushion part in a rotating way, wherein a connecting seat is arranged on the backrest part, and a driving mechanism is arranged on a vehicle body of the vehicle;

the driving end of the driving mechanism is hinged with the connecting seat and is connected with the driving end of the driving mechanism in a bearing mode, the backrest part can swing relative to the automobile body, and the cushion part is driven to slide along the sliding rail synchronously.

Further, the driving mechanism comprises a driving part and a driving rod in transmission connection with the driving part; the driving rod forms the driving end and is driven by the driving part, and the driving rod can push and pull the backrest part so as to drive the backrest part to swing relative to the vehicle body.

Further, the driving part comprises a motor arranged on the vehicle body, a transmission seat connected with the motor and a transmission part arranged in the transmission seat; the transmission piece is provided with a threaded hole and can be driven by the motor to rotate in the transmission seat; the driving rod is a screw rod penetrating through the transmission seat, and the screw rod is in threaded connection with the threaded hole.

Furthermore, one end of the driving rod is connected with the spherical hinge of the connecting seat.

Further, a fixed frame is arranged on the vehicle body; the motor is rotatably mounted on the fixing frame.

Further, the connecting seat is arranged on the back side of the backrest part and is arranged close to the middle part of the backrest part in the width direction; the driving part is positioned at the rear lower part of the connecting seat.

Furthermore, the backrest part comprises a backrest framework, and a backrest vertical pipe is arranged on the backrest framework; the backrest framework is rotatably connected with the seat cushion part; the connecting seat is arranged on the vertical tube of the backrest.

Further, the slide rail comprises a lower rail fixedly arranged on the vehicle body and an upper rail slidably arranged on the lower rail; the seat cushion part is fixedly connected to the upper rail.

Further, the seat cushion part comprises a base and a seat cushion framework fixedly connected with the base; the base is fixedly connected with the upper rail; the backrest part is rotatably connected to the base.

Compared with the prior art, the utility model has the following advantages:

the vehicle seat assembly adopts a slide rail structure to realize the front and back sliding of the seat cushion part, and a locking structure is not needed to be arranged between the seat cushion part and the slide rail, but the seat cushion part and the slide rail are limited by the backrest part hinged on a vehicle body and are fixed at one position; when the backrest part is driven by the driving mechanism to swing, the backrest part can drive the cushion part hinged with the backrest part to slide back and forth due to the change of the posture of the backrest part, so that the linkage adjustment of the cushion part and the backrest part is realized, the whole seat structure is simple and efficient, the structure is convenient to construct and implement, and the posture and the position of the vehicle seat can be adjusted.

In addition, the driving rod capable of forming push-pull driving on the backrest part is arranged, so that the backrest part is driven to swing, and the structure implementation of the driving mechanism is facilitated; and the simple push-pull driving structure can reduce the design and construction difficulty of the driving mechanism and is beneficial to reducing the whole size of the driving mechanism. A motor is adopted to drive a transmission part, and a screw rod is driven by a threaded hole in the rotating transmission part to move along the length direction of the screw rod through a screw rod structure, so that the connecting seat is pushed and pulled; the transmission mechanism has the advantages of high transmission stability and large driving force.

It is another object of the present invention to provide a vehicle equipped with a vehicle seat assembly of the present invention. Compared with the prior art, the vehicle provided by the utility model has the technical advantages of the vehicle seat assembly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate embodiments of the utility model and together with the description serve to explain the utility model, and the description is given by way of example only and without limitation to the terms of relative positions. In the drawings:

FIG. 1 is a schematic view of an overall structure of a vehicle seat assembly according to a first embodiment of the present invention;

FIG. 2 is an exploded view of a vehicle seat assembly according to a first embodiment of the present invention;

FIG. 3 is a schematic view of a vehicle seat assembly according to a first embodiment of the present invention, illustrating a minimum included angle between a cushion portion and a backrest portion;

FIG. 4 is a schematic view of a vehicle seat assembly according to a first embodiment of the present invention, illustrating a maximum included angle between a cushion portion and a backrest portion;

description of reference numerals:

1. a slide rail; 10. a lower rail; 11. rail mounting;

2. a pivot post; 200. a fastener;

3. a seat cushion portion; 30. a base; 300. a pivot hole; 31. a seat cushion framework; 311. a seat cushion steel wire;

400. a fixed mount; 401. a motor; 402. a screw; 403. a connecting seat;

5. a backrest part; 50. a backrest frame; 500. a backrest connecting frame; 501. a backrest wire; 502. a backrest standpipe; 503. a headrest tube;

6. a vehicle body floor; 7. and (4) rear side metal plates.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. appear, they are based on the orientation or positional relationship shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the appearances of the terms first, second, etc. in the figures are also for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

The embodiment relates to a vehicle seat assembly which is arranged on a vehicle body in a vehicle, can realize the posture and position adjustment of a seat, and is simple in structure and convenient to construct and implement.

The vehicle seat assembly includes a slide rail disposed on a vehicle, a seat cushion portion slidably disposed on the slide rail, and a backrest portion rotatably disposed on the seat cushion portion. Wherein, the backrest part is provided with a connecting seat, and the body of the vehicle is provided with a driving mechanism. The driving end of the driving mechanism is hinged with the connecting seat, and the backrest part can swing relative to the vehicle body by being driven by the driving mechanism and synchronously drive the cushion part to slide along the sliding rail.

Based on the above design concept, an exemplary structure of the vehicle seat assembly of the present embodiment is shown in fig. 1.

The vehicle seat assembly of the present invention is of course suitable for use with individual seats on a vehicle, and is particularly suitable for use with rear seats of a vehicle. The present embodiment will be described by taking a rear seat of a vehicle as an example.

As shown in fig. 1 and 2, the vehicle seat assembly is mounted on a vehicle body, where the vehicle body provides a mounting base including a vehicle body floor 6 and a rear-side sheet metal 7. Wherein, the slide rail 1 is arranged on the vehicle body floor 6 along the length direction of the vehicle, and preferably two sets of slide rails 1 are arranged in bilateral symmetry to improve the support stability of the seat.

Since the driving end of the driving mechanism is connected with the connecting seat 403 on the backrest part 5 in a hinged manner. At this moment, under the driving of the driving mechanism, the driving end pushes and pulls the connecting seat 403, so that the backrest part 5 is forced to swing relative to the vehicle body. Moreover, the driving end is hinged to the connecting seat 403, and the rotation connecting point between the backrest part 5 and the cushion part 3 needs to adapt to the position change of the connecting seat 403 and move horizontally, so that the backrest part 5 can drive the cushion part 3 to slide horizontally, and the linkage of the cushion part 3 and the backrest part 5 is realized. Thus, the posture and the position of the seat can be adjusted through one-position driving of the driving mechanism.

Of course, the driving mechanism can have various design forms, such as a structure that a cylinder and a motor drive a balance wheel and a connecting rod; in this embodiment, a form of a drive rod is adopted. Specifically, the driving mechanism comprises a driving part and a driving rod in transmission connection with the driving part; the end of the drive rod constitutes the drive end. Due to the driving of the driving part, the driving rod can push and pull the backrest part 5 so as to drive the backrest part 5 to swing relative to the vehicle body and drive the cushion part 3 to displace.

The driving rod capable of forming push-pull driving on the backrest part 5 is configured, so that the backrest part 5 is driven to swing, and the construction implementation of a driving mechanism is facilitated; and the simple push-pull driving structure can reduce the design and construction difficulty of the driving mechanism and is beneficial to reducing the whole size of the driving mechanism.

The driving part comprises a motor 401 arranged on the vehicle body, a transmission seat connected with the motor 401, and a transmission part arranged in the transmission seat. The transmission piece is provided with a threaded hole and can be driven by the motor to rotate in the transmission seat. The driving rod is configured to penetrate through a screw 402 on the transmission seat, and the screw 402 is screwed in the threaded hole; when the transmission member rotates, one end of the screw 402 is hinged to the connecting seat 403 and does not rotate along with the transmission member, so that the screw 402 can move along the length direction thereof, and the connecting seat 403 can be pushed and pulled. Adopt motor drive driving medium, through the transmission of lead screw structure, possess the advantage that transmission stability is high, drive power is big.

The hinge connection of the driving rod and the connecting seat 403 may be a common hinge connection limited to a plane for relative rotation, or may be a ball hinge connection. Of course, when using a ball joint connection, the screw 402 should be prevented from rotating with the transmission member by limiting the range of the ball joint or providing a structure in the driving mechanism to limit the rotation of the screw 402 around its axis. The driving ends of the connecting seat 403 and the driving rod are provided with a spherical hinge connecting structure, so that the arrangement direction of the driving rod can be more flexible, and the backrest part 5 can be adapted to push-pull driving forces in different directions to swing.

Correspondingly, on one side of the vehicle body, in order to facilitate the installation of the motor 401, a fixing frame 400 is arranged on the rear metal plate 7 of the vehicle body; the motor 401 may be fixedly mounted on the fixing frame 400. Of course, the motor 401 may be rotatably mounted on the holder 400. The motor 401 is rotatably arranged on the fixed frame 400, and the arrangement direction of the driving rod can be correspondingly adjusted along with the change of the swinging posture of the backrest 5, so that the force transmission effect of the driving rod between the driving mechanism and the backrest 5 can be improved, and the reduction of the bending force applied to the driving rod is facilitated.

Based on the above structure, in the process of adjusting the seat, as shown in fig. 3 and 4, when the screw 402 is located at the highest position, the included angle between the backrest part 5 and the cushion part 3 is the minimum angle a; when the screw 402 is at the lowest position, the angle between the backrest portion 5 and the cushion portion 3 is the minimum angle b. During the process of the driving screw 402 extending and contracting along its length direction, the angle between the backrest portion 5 and the cushion portion 3 changes between the angle a and the angle b, and the front and rear positions of the cushion portion 3 also change accordingly. The angular range of adjustment can be further increased by increasing the length of the screw 402, or adjusting the arrangement direction of the screw 402.

As shown in fig. 1, the above-mentioned connecting seat 403 should be installed on the back side of the backrest 5, preferably, near the middle of the backrest 5 in the width direction; the driving portion is preferably disposed at the rear lower portion of the connecting seat 403. The connecting seat 403 is arranged at the middle position of the back side of the backrest part 5, so that the stress balance between the backrest part 5 and the cushion part 3 is facilitated; the arrangement of the inclined downward is adopted, the push-pull driving can be formed along the direction of the rear lower part of the backrest part 5, the linkage effect of the cushion part 3 and the backrest part 5 can be improved, and the degree of the front-back sliding distance of the cushion part 3 and the degree of the inclination angle adjustment of the backrest part 5 are more matched.

To facilitate the construction of the backrest part 5, the backrest part 5 of the present embodiment includes a frame-like backrest frame 50, and the backrest frame 50 includes a backrest connection frame 500 for hingedly connecting with the cushion part 3. The backrest frame 50 is provided with a backrest vertical tube 502 and a backrest steel wire 501. Based on this, the connecting seat 403 can be disposed on the seat back tube 502. The backrest vertical pipe 502 is additionally arranged on the backrest framework 50 of the backrest part 5, the overall strength of the backrest framework 50 can be improved, and the arrangement of the backrest vertical pipe 502 can provide a proper installation position and a foundation for the installation of the connecting seat 403.

The backrest connecting frames 500 are two symmetrically arranged, and are formed by a stamping process, and are hinged to the two bases 30 of the cushion part 3 through two pivot posts 2, and the pivot posts 2 can use M10 bolts. The lower transverse tube and the vertical backrest tube 502 in the backrest framework 50 can be realized by a punching process, and preferably, the lower transverse tube and the vertical backrest tube are made of Q345 material, have the diameter phi of 19 and the wall thickness of 2 mm. The main body of the backrest frame 50, i.e. the upper bent pipe, can be realized by a bending process, and preferably adopts a pipe material made of Q345 material, with the diameter phi of 25 mm and the wall thickness of 2 mm. The above parts can be fixedly connected into a whole by adopting a welding mode. Meanwhile, a plurality of backrest steel wires 501 can be erected on the backrest framework 50, the backrest steel wires 501 can be made of Q195 materials and have the diameter phi 5, the backrest steel wires 501 are formed by bending, and each backrest steel wire 501 is welded on the backrest framework 50 and forms a support for the backrest together with the backrest framework 50. The upper part of the backrest frame 50 can be further fixedly provided with a headrest pipe 503, and the headrest pipe 503 can be fixedly arranged on the backrest frame 50 by adopting a welding process according to the material structure of the backrest vertical pipe 502.

For the slide rail 1 of the present embodiment, an existing product may be adopted. As shown in fig. 2, the slide rail 1 includes a lower rail 10 fixed on the vehicle body, and an upper rail 11 slidably disposed on the lower rail 10; the seat cushion part 3 is fixedly connected to the upper rail 11. Adopt lower rail 10 and upper rail 11 complex slide rail structure, have good slip direction effect, and possess the mature reliable advantage of technique.

In addition, the cushion part 3 of the present embodiment can be configured with reference to the backrest part 5. Specifically, the cushion part 3 includes a base 30, and a cushion frame 31 fixedly connected to the base 30. Wherein, the base 30 is fastened with the upper rail 11 by a fastener 200 such as a bolt. The backrest part 5 is rotatably arranged on the base 30 in a hinged manner; a pivot hole 300 is provided on the base 30, and the backrest portion 5 is hingedly mounted in the pivot hole 300 through the pivot post 2. The provision of the base 30 for the cushion part 3 not only facilitates the assembly of the cushion part 3 on the head rail 11, but also provides a good assembly foundation for the assembly of the cushion frame 31 and the hinge-mounting of the back frame 50, facilitating the construction of the vehicle seat assembly.

In the cushion part 3, the cushion frame 31 is first welded to the base 30 and connected to the upper rail 11 by 4M 10 nuts. The front transverse tube of the seat cushion framework 31 is made of Q235, phi 25 and 1.5mm in wall thickness, is welded on the seat cushion framework 31 and plays roles of supporting and preventing diving. The seat cushion framework 31 bottom is equipped with the seat frame fore-stock, and the material is B340L, and forming process is the punching press, mainly plays the function of connecting seat cushion framework 31 and slide rail, satisfies the seat intensity requirement simultaneously.

The seat cushion frame 31 is made of Q235, phi 25 and has a wall thickness of 1.5mm, and is welded on the base 30 to play a role in supporting and connecting.

The seat frame reinforcing tube of the seat cushion frame 31 is made of Q345, phi 19 and has a wall thickness of 2mm, and is welded between the rear horizontal tube and the front horizontal tube of the seat cushion frame 31 to play a role in reinforcement. Meanwhile, a seat cushion steel wire 311 is laid on the seat cushion frame 31, the seat cushion steel wire 311 is made of Q195 material and has a diameter phi 5, and the forming is realized through bending. The components are fixedly connected into a whole by welding, are used for supporting a human body and realize the safety and submergence prevention function.

The vehicle seat assembly of the embodiment adopts the structure of the slide rail 1 to realize the front and back sliding of the cushion part 3, and a locking structure is not needed to be arranged between the cushion part 3 and the slide rail 1, but the cushion part is limited by the backrest part 5 hinged on the vehicle body and is fixed at one position; when the backrest part 5 is driven by the driving mechanism to swing, the backrest part 5 can drive the cushion part 3 hinged with the backrest part 5 to slide back and forth due to the change of the posture of the backrest part 5, so that the linkage adjustment of the cushion part 3 and the backrest part 5 is realized, and further, the posture and the position of the vehicle seat are adjusted by a simple and efficient structure.

Example two

The present embodiment relates to a vehicle equipped with the vehicle seat assembly described in the first embodiment. This vehicle seat assembly specifically installs on the automobile body floor 6 and the rear side panel beating 7 of automobile body, and in the vehicle seat assembly, through adjusting back portion 5, when changing the inclination of back portion 5, can drive cushion portion 3 and slide and shift around, realized cushion portion 3 and back portion 5's linkage adjustment to a regulation of vehicle seat gesture and position has been realized to a comparatively succinct efficient structure, can provide good seat for the passenger and take the impression.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A vehicle seat assembly, including locating slide rail (1) on the vehicle, locate slidable seat cushion portion (3) on slide rail (1), and rotationally locate back portion (5) on seat cushion portion (3), its characterized in that:

a connecting seat (403) is arranged on the backrest part (5), and a driving mechanism is arranged on the body of the vehicle;

the driving end of the driving mechanism is hinged with the connecting seat (403) and is connected with the driving end of the driving mechanism in a bearing mode, the backrest part (5) can swing relative to the automobile body, and the cushion part (3) is driven to slide along the sliding rail (1) synchronously.

2. The vehicle seat assembly of claim 1, wherein:

the driving mechanism comprises a driving part and a driving rod in transmission connection with the driving part;

the driving rod forms the driving end and is driven by the driving part, and the driving rod can push and pull the backrest part (5) so as to drive the backrest part (5) to swing relative to the vehicle body.

3. The vehicle seat assembly of claim 2, wherein:

the driving part comprises a motor (401) arranged on the vehicle body, a transmission seat connected with the motor (401), and a transmission part arranged in the transmission seat;

the transmission piece is provided with a threaded hole and can be driven by the motor to rotate in the transmission seat;

the driving rod is a screw rod (402) which penetrates through the transmission seat, and the screw rod (402) is screwed in the threaded hole.

4. The vehicle seat assembly of claim 3, wherein:

one end of the driving rod is connected with the spherical hinge of the connecting seat (403).

5. The vehicle seat assembly of claim 3, wherein:

a fixed frame (400) is arranged on the vehicle body;

the motor (401) is rotatably mounted on the fixing frame (400).

6. The vehicle seat assembly of claim 3, wherein:

the connecting seat (403) is arranged on the back side of the backrest part (5) and is close to the middle part of the backrest part (5) in the width direction;

the driving part is positioned at the rear lower part of the connecting seat (403).

7. The vehicle seat assembly of claim 6, wherein:

the backrest part (5) comprises a backrest framework (50), and a backrest vertical pipe (502) is arranged on the backrest framework (50);

the backrest framework (50) is rotationally connected with the seat cushion part (3);

the connecting seat (403) is arranged on the vertical tube (502) of the backrest.

8. The vehicle seat assembly of any of claims 1-7, wherein:

the sliding rail (1) comprises a lower rail (10) fixedly arranged on the vehicle body and an upper rail (11) slidably arranged on the lower rail (10);

the seat cushion part (3) is fixedly connected to the upper rail (11).

9. The vehicle seat assembly of claim 8, wherein:

the cushion part (3) comprises a base (30) and a cushion framework (31) fixedly connected with the base (30);

the base (30) is fixedly connected with the upper rail (11);

the backrest part (5) is rotatably connected to the base (30).

10. A vehicle, characterized in that: the vehicle is provided with the vehicle seat assembly of any one of claims 1 to 9.

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