Electric forward folding seat

Abstract

The invention relates to an electric forward folding seat which comprises a seat framework, a seat cushion and a seat backrest, the seat cushion and the seat backrest are mounted on the seat framework, and a cushion rotating shaft and a cushion motor are mounted at the position, located on the seat cushion, of the seat framework; a backrest rotating shaft and a backrest motor are mounted at the position of the seat backrest on the seat framework; the seat cushion motor drives the seat cushion to overturn forwards through the seat cushion rotating shaft, and an avoiding space for putting down the seat backrest is exposed; the backrest motor drives the seat backrest to be put down forwards through the backrest rotating shaft, and the back face of the put-down seat backrest is flush with the bottom face of the trunk. A supporting and limiting assembly is fixedly connected to the back face of the seat cushion, and after the seat cushion is erected forwards, the supporting and limiting assembly supports the front end of the seat backrest which is put down; the seat has the advantages that the seat can be automatically put down and locked through the electric driving device and the mechanical limiting device, and the operation convenience and safety are improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile seats, and in particular to a rear seat capable of being electrically folded forward. Background Art

[0002] In modern car design, the comfort and functionality of car seats have become important considerations for consumers when buying cars. The design of car seats must not only ensure the comfort of passengers, but also consider the space utilization and functional diversity of the car. Currently, car seats on the market have the following problems:

[0003] 1) The complexity of manual adjustment: the existing car seat cushions and backrests usually need to be manually adjusted to recline.

[0004] 2) Insufficient space utilization: The existing seat folding function can usually only fold down a part of the seat, but cannot be completely flush with the bottom of the front trunk, thereby limiting the space utilization of the car trunk.

[0005] 3) Problems with structural stability after folding down: The existing seat folding function will affect the structural stability of the seat after folding down, posing a safety hazard. Summary of the invention

[0006] In view of the above problems, the purpose of the present invention is to provide an electric forward-folding seat for realizing that the seat cushion and backrest can be completely folded forward, so that the seat and the bottom of the front trunk can be flush, thereby improving the space utilization of the car trunk and overcoming the shortcomings of the above-mentioned prior art.

[0007] The present invention provides an electric forward folding seat, comprising: a seat frame installed at the rear position of a car and close to a trunk, a seat cushion and a seat back installed on the seat frame, and the improvement made is that the seat frame is provided with a seat cushion rotating shaft for standing up the seat cushion forward, and a seat cushion motor installed on the seat frame for driving the seat cushion rotating shaft to rotate; the seat frame is provided with a backrest rotating shaft for folding the seat back forward, and a backrest motor installed on the seat frame for driving the backrest rotating shaft to rotate;

[0008] The seat cushion motor drives the seat cushion to flip forward through the seat cushion rotating shaft and leaves a space for the seat back to be folded down;

[0009] The backrest motor drives the seat back to fall forward through the backrest rotating shaft, and the back of the seat back after falling is flush with the bottom surface of the trunk;

[0010] Wherein, a support and limit assembly is fixedly connected to the back side of the seat cushion. After the seat cushion stands up forward, the support and limit assembly supports the front end of the seat back after it is laid down.

[0011] As a preferred embodiment of the present invention, a seat cushion limit baffle is installed on the front seat located in front of the seat frame. The seat cushion limit baffle is located at the bottom position of the back side of the front seat backrest. The seat cushion contacts the seat cushion limit baffle when upright. The seat cushion limit baffle is used to support and limit the seat cushion after it is upright.

[0012] As a preferred embodiment of the present invention, the angle of the seat cushion after standing up is perpendicular to the ground.

[0013] As a preferred embodiment of the present invention, the seat frame is provided with a storage space below the seat cushion, and the storage space is exposed when the seat cushion is erected.

[0014] As a preferred embodiment of the present invention, the storage space is located below the avoidance space.

[0015] As a preferred embodiment of the present invention, the support and limit assembly includes: a U-shaped support frame and an oblique support rod, the U-shaped support frame is vertically fixed to the back of the seat cushion, one end of the oblique support rod is fixed to the U-shaped support frame, and the other end is fixed to the back of the seat cushion, and the U-shaped support frame is used to support the front end of the seat back after it is folded down.

[0016] The beneficial effects of the present invention are as follows:

[0017] 1. The present invention installs electric drive devices at the seat cushion position and the backrest position of the seat frame, and realizes the automatic forward standing of the seat cushion through the seat cushion motor, and then realizes the complete forward folding of the seat back through the backrest motor, so as to improve the convenience of operation.

[0018] 2. The present invention designs mechanical limit devices on the seat cushion and backrest of the seat, and realizes automatic reclining of the seat through the limitation of the mechanical structure, thereby solving the high cost and safety hazard problems of the motor itself as a lock.

[0019] 3. The present invention increases the storage space design and designs an avoidance space at the seat cushion so that the seat cushion and the backrest can be completely folded forward and flush with the bottom of the trunk, thereby improving the space utilization rate of the car trunk. In addition, a larger storage space is designed under the seat cushion to increase the storage space.

[0020] 4. After the seat is folded down, the present invention maintains the structural stability of the seat and improves safety through an innovative support and limit assembly. When the seat cushion is folded forward, a cushion limit baffle is designed to limit the forward and backward movement range of the seat cushion and ensure the structural stability of the seat.

[0021] 5. The present invention realizes automatic folding and locking of the seat through an electric drive device and a mechanical limit device, thereby improving the convenience and safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other objects and results of the present invention will become more apparent and easy to understand. In the accompanying drawings:

[0023] Figure 1 Schematic diagram of the overall structure of the seat of this embodiment.

[0024] Figure 2 This is a schematic diagram of the seat cushion of this embodiment after being erected.

[0025] Figure 3 This is a schematic diagram of the backrest of this embodiment after being folded down.

[0026] Figure 4 This is a principle block diagram of this embodiment.

[0027] The reference numerals therein include: seat cushion 1, seat back 2, seat cushion rotating shaft 3, seat cushion motor 4, backrest rotating shaft 5, backrest motor 6, U-shaped support frame 7, oblique support rod 8, front seat 9, seat cushion limit baffle 10, storage space 11. DETAILED DESCRIPTION

[0028] See also Figure 1-4 As shown, the present embodiment provides an electric forward folding seat, comprising: a seat frame installed at the rear position of the car and close to the trunk, a seat cushion 1 and a seat back 2 installed on the seat frame, wherein a seat cushion rotating shaft 3 for standing up the seat cushion 1 forward and a seat cushion motor 4 installed on the seat frame for driving the seat cushion rotating shaft 3 to rotate are installed at the seat cushion 1 position of the seat frame; a backrest rotating shaft 5 for folding the seat back 2 forward and a backrest motor 6 installed on the seat frame for driving the backrest rotating shaft 5 to rotate are installed at the seat back 2 position of the seat frame; the seat cushion motor 4 drives the seat cushion 1 to flip forward through the seat cushion rotating shaft 3 and leak out the avoidance space for folding the seat back 2; the backrest motor 6 drives the seat back 2 to fold forward through the backrest rotating shaft 5, and the back of the seat back 2 after folding is flush with the bottom surface of the trunk; a support and limiting component is fixedly connected to the back of the seat cushion 1, and the seat cushion 1 leaks out the support and limiting component after standing up forward, and the support and limiting component can support the front end of the seat back 2 after folding. The support and limiting assembly includes: a U-shaped support frame 7 and an oblique support rod 8. The U-shaped support frame 7 is vertically fixed to the back of the seat cushion 1. One end of the oblique support rod 8 is fixed to the U-shaped support frame 7, and the other end is fixed to the back of the seat cushion 1. The U-shaped support frame 7 is used to support the front end of the seat back 2 after it is folded down.

[0029] Furthermore, in this embodiment, a cushion limiting baffle 10 is installed on the front seat 9 located in front of the seat frame. The cushion limiting baffle 10 is located at the bottom position of the back of the backrest of the front seat 9. The seat cushion 1 contacts the cushion limiting baffle 10 after being erected. The cushion limiting baffle 10 is used to support and limit the seat cushion 1 after being erected. The angle of the seat cushion 1 after being erected is perpendicular to the ground. The seat frame is provided with a storage space 11 below the seat cushion 1. The storage space 11 is leaked out after the seat cushion 1 is erected. The storage space 11 is located below the avoidance space.

[0030] Working principle: the seat cushion motor 4 drives the seat cushion rotating shaft 3, so that the seat cushion 1 rotates forward and stands up, revealing the avoidance space and storage space 11; the backrest motor 6 drives the backrest rotating shaft 5 to rotate, so that the seat back 2 is folded forward to the position of the U-shaped support frame 7 and rests on the U-shaped support frame 7. At this time, the seat back 2 and the bottom surface of the trunk are at the same horizontal position, thereby increasing the storage capacity of the trunk.

[0031] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An electric forward folding seat, comprising: A seat frame installed at the rear position of a car and close to a trunk, a seat cushion and a seat back installed on the seat frame, characterized in that the seat frame is provided with a seat cushion rotation shaft for standing up the seat cushion forward, and a seat cushion motor installed on the seat frame for driving the seat cushion rotation shaft to rotate; the seat frame is provided with a backrest rotation shaft for folding the seat back forward, and a backrest motor installed on the seat frame for driving the backrest rotation shaft to rotate; The seat cushion motor drives the seat cushion to flip forward through the seat cushion rotating shaft and leaves a space for the seat back to be folded down; The backrest motor drives the seat back to be folded forward through the backrest rotating shaft, and the back of the seat back after being folded is flush with the bottom surface of the trunk; Wherein, a support and limit assembly is fixedly connected to the back side of the seat cushion. After the seat cushion stands up forward, the support and limit assembly supports the front end of the seat back after it is laid down.

2. The electric forward folding seat according to claim 1, characterized in that: A cushion limit baffle is installed on the front seat located in front of the seat frame. The cushion limit baffle is located at the bottom position of the back of the front seat backrest. The seat cushion contacts the cushion limit baffle when erected. The cushion limit baffle is used to support and limit the seat cushion after it is erected.

3. The electric forward folding seat according to claim 1, characterized in that: The angle of the seat cushion after standing up is perpendicular to the ground.

4. The electric forward folding seat according to claim 1, characterized in that: The seat frame is provided with a storage space below the seat cushion, and the storage space is exposed when the seat cushion is erected.

5. The electric forward folding seat according to claim 4, characterized in that: The storage space is located below the avoidance space.

6. The electric forward folding seat according to claim 4, characterized in that: The support and limiting assembly includes: a U-shaped support frame and an oblique support rod, wherein the U-shaped support frame is vertically fixed to the back of the seat cushion, one end of the oblique support rod is fixed to the U-shaped support frame, and the other end is fixed to the back of the seat cushion, and the U-shaped support frame is used to support the front end of the seat back after it is folded down.

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