CN217415544U

CN217415544U - Seat backrest adjusting mechanism and seat

Info

Publication number: CN217415544U
Application number: CN202221493770.0U
Authority: CN
Inventors: 吴雨泽; 高威; 王帅帅; 王大为; 谢真奇; 姜永; 吴小青; 江文杰; 王硕; 雷训声
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-09-13
Anticipated expiration: 2032-06-15

Abstract

The utility model provides a seat back adjustment mechanism and seat, seat back adjustment mechanism, including drive division, lead screw, slider and slide rail, the slide rail is used for setting up for the seat back slope, the drive division with the lead screw drive is connected, the lead screw with the slider transmission is connected, in order to drive the slider is followed the slide rail motion, just the slider be used for with the seat back is connected. When back row seat back is adjusted to needs, it is rotatory to drive the lead screw through drive division, and the lead screw can order about the slider at rotatory in-process and move along the slide rail, and the slider is at the in-process of motion, and the seat back can follow the slider and remove to realize adjusting the angle of seat back, provide more comfortable gesture of taking for the passenger, and because the process that the slider removed is continuous, and then can realize the angle of infinitely variable control seat back.

Description

Seat backrest adjusting mechanism and seat

Technical Field

The utility model relates to an automobile parts technical field particularly, relates to a seat back adjustment mechanism and seat.

Background

With the development of the automobile market, people have higher and higher requirements on the comfort of automobiles, and the comfort of automobile seats, particularly rear seats, also becomes one of the factors considered by customers. However, most of the rear seat backs of automobiles in the market can only be locked at a set angle, and the requirement on the riding comfort of different passengers cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how to realize adjusting the angle of seat back, provide more comfortable gesture of taking for the passenger.

In order to solve the problem, the utility model provides a seat back adjustment mechanism, including drive division, lead screw, slider and slide rail, the slide rail is used for setting up for the seat back slope, the drive division with the lead screw drive is connected, the lead screw with the slider transmission is connected, in order to drive the slider is followed slide rail motion, just the slider be used for with the seat back is connected.

The technical effects of the utility model: when the seat back, especially back row seat back are adjusted to needs, can be rotatory through drive division drive lead screw, and then drive the slider and remove along the slide rail, because the slider is connected with the seat back, the seat back can follow the slider and remove, makes it rotate for the seat cushion to realize adjusting the angle of seat back, provide more comfortable gesture of taking for the passenger, and because the lead screw can drive the slider continuous movement, and then can realize the angle of infinitely variable control seat back.

Preferably, the seat back adjusting mechanism further comprises a latch hook member disposed on the slider, and the slider is configured to be connected to the seat back through the latch hook member.

Preferably, the latch hook member is a U-shaped member, an open end of the U-shaped member is used for being connected with the slider, and a closed end of the U-shaped member is used for being arranged through the seat back.

Preferably, the driving part comprises a motor and a transmission part, and the motor is in driving connection with the screw rod through the transmission part.

Preferably, the transmission part comprises a first bevel gear and a second bevel gear, the motor is connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is connected with the screw rod.

Preferably, the seat back adjusting mechanism further comprises a mounting frame, the mounting frame is sleeved at one end of the screw rod, and the first bevel gear and the second bevel gear are both located in the mounting frame.

Preferably, a mounting ring is arranged in the slide rail, and the mounting ring is matched with the screw rod and is used for the screw rod to pass through.

Preferably, a limiting block is arranged in the slide rail and located on one side, away from the driving part, of the slide block.

The utility model also provides a seat, including backrest and as above backrest adjustment mechanism, backrest adjustment mechanism with the backrest is connected.

The utility model discloses the seat with backrest adjustment mechanism's beneficial effect is the same, and here is no longer repeated.

Preferably, a latch hook member is arranged on a slider of the seat back adjusting mechanism, and a connecting structure for connecting with the latch hook member is arranged on the seat back.

Drawings

Fig. 1 is a schematic structural diagram of a seat back adjusting mechanism according to an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating the locking hook member of the embodiment of the present invention moved to another position;

fig. 3 is a schematic structural view of the seat back adjusting mechanism and the seat back according to the embodiment of the present invention.

Description of reference numerals:

1. a drive section; 2. a screw rod; 3. a slider; 4. a slide rail; 5. a seat back; 6. a latch hook member; 7. installing a frame; 8. a mounting ring; 9. a guide bar; 10. and (5) a connecting structure.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein.

Referring to fig. 1 to 3, for the embodiment of the present invention, a seat back adjusting mechanism includes a driving portion 1, a screw rod 2, a slider 3 and a slide rail 4, the slide rail 4 is used for being set up obliquely relative to a seat back 5, the driving portion 1 is connected to the screw rod 2 in a driving manner, the screw rod 2 is connected to the slider 3 in a driving manner, so as to drive the slider 3 to move along the slide rail 4, and the slider 3 is used for being connected to the seat back 5.

Specifically, the slide rail 4 may be installed on one side of the seat back 5, and the slide rail 4 may be disposed obliquely with respect to the seat back 5, and the screw rod 2 may be disposed in the slide rail 4, in this embodiment, the driving portion 1 may be drivingly connected to one end of the screw rod 2, and in other embodiments, the driving portion 1 may be drivingly connected to other positions of the screw rod 2.

In this embodiment, the slider 3 may have a rectangular parallelepiped shape, and in other embodiments, the slider 3 may have other shapes. The sliding block 3 can be provided with threaded holes, the threaded holes penetrate through two opposite ends of the sliding block 3, and the screw rod 2 can be inserted into the threaded holes.

Preferably, grease can be coated on the surface of the sliding block 3 contacted with the sliding rail 4, so that the friction force applied to the sliding block 3 is reduced, and the sliding block 3 can slide more smoothly.

Preferably, a gap may be formed between the slider 3 and the bottom of the sliding rail 4, so as to reduce the contact area between the slider 3 and the sliding rail 4, and further reduce the friction force applied to the slider 3.

Slider 3 can be connected with seat back 5, when the angle of seat back 5 is adjusted to needs, can be rotatory through 1 drive lead screw 2 of drive division, at the rotatory in-process of lead screw 2, lead screw 2 can order about slider 3 and remove along the length direction of slide rail 4, at the in-process that slider 3 removed, seat back 5 can rotate for the seat cushion along with slider 3's removal, thereby adjust seat back 5's angle, provide more comfortable gesture of taking for the passenger, and because lead screw 2 can drive slider 3 continuous movement, and then can realize infinitely variable control seat back 5's angle.

In this embodiment, the seat back adjustment mechanism is more suitable for adjusting the angle of the rear seat of the automobile. The slide rail 4 can be conveniently arranged on the inner side wall at the rear part of the vehicle body, and the seat back adjusting mechanism can be hidden by the decoration at the rear part of the vehicle body, so that the appearance in the vehicle is not influenced.

Referring to fig. 1 to 3, in some embodiments, the seat back adjustment mechanism further includes a latch hook 6, the latch hook 6 is disposed on the slider 3, and the slider 3 is configured to be connected to the seat back 5 through the latch hook 6.

Specifically, the end face, away from the bottom of the slide rail 4, of the slider 3 may be provided with a latch hook member 6, in this embodiment, one end of the latch hook member 6 may be welded to the slider 3, the other end of the latch hook member 6 may be connected to a seat back 5, and the latch hook member 6 is similar to a conventional seat back fixing member in structure, so that the seat back adjusting mechanism may be used without any change to the seat frame.

Referring to fig. 1 to 3, in some embodiments, the latch hook 6 is a U-shaped member, an open end of the U-shaped member is used for connecting with the slider 3, and a closed end of the U-shaped member is used for penetrating through the seat back 5.

Specifically, latch hook spare 6 can be U type spare, and the open end of U type spare can be inserted and locate in slider 3, and in this embodiment, the open end of U type spare can be equipped with first cylinder and second cylinder respectively, and first cylinder and second cylinder all are located the inside of slider 3 to first cylinder and second cylinder are perpendicular to the open end of U type spare respectively, and first cylinder and second cylinder extend towards the direction of keeping away from each other respectively, make latch hook spare 6 fix more firmly with slider 3. The closed end of the U-shaped part can penetrate through the seat back 5, so that the seat back 5 is locked at the position of the locking hook part 6, and the seat back 5 can stably support the back of a human body.

Referring to fig. 1 to 3, in some embodiments, the driving part 1 includes a motor and a transmission, and the motor is in driving connection with the screw rod 2 through the transmission.

Specifically, the driving part 1 is a device that can provide rotational power to the lead screw 2, and the driving part 1 may preferably be a motor. In this embodiment, the output shaft of motor can be coaxial with lead screw 2 to pass through the driving medium drive with the one end of lead screw 2 and be connected, in other embodiments, the motor can set up in other positions. Through the rotation of the motor-driven screw rod 2, the passenger can more conveniently adjust the seat backrest 5 to a proper angle.

In some embodiments, the transmission comprises a first bevel gear and a second bevel gear, the motor is connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is connected with the screw rod 2.

Specifically, in the present embodiment, the motor may be disposed perpendicular to the screw rod 2, that is, the central axis of the output shaft of the motor is perpendicular to the central axis of the screw rod 2. The output shaft of the motor may be provided with a first bevel gear, and the first bevel gear is connected at an end of the output shaft. The second bevel gear can be sleeved outside one end part of the screw rod 2, the first bevel gear can be meshed with the second bevel gear, the vertical rotating motion of the output shaft of the motor can be converted into the transverse rotating motion of the screw rod 2, the motor can be vertically arranged below the screw rod 2 by arranging the first bevel gear and the second bevel gear, the seat backrest adjusting mechanism can be more conveniently arranged in a vehicle body, and the space in the vehicle can be more reasonably utilized by the arrangement.

Referring to fig. 1 to 3, in some embodiments, the seat back adjustment mechanism further includes a mounting frame 7, the mounting frame 7 is disposed on an end of the screw rod 2, and the first bevel gear and the second bevel gear are both located in the mounting frame 7.

Specifically, the shape of the mounting frame 7 may be a rectangular parallelepiped shape, the two opposite ends of the mounting frame 7 may be respectively provided with first mounting holes, and the two first mounting holes are coaxial, the screw rod 2 may be inserted into the two first mounting holes, and the screw rod 2 may rotate relative to the mounting frame 7. The mounting frame 7 is provided with a second mounting hole on one side face adjacent to the two opposite ends of the mounting frame, the output shaft of the motor can be inserted into the second mounting hole, and the output shaft of the motor can rotate relative to the mounting frame 7. The first bevel gear and the second bevel gear are also arranged in the mounting frame 7, and the mounting frame 7 can prevent dust from entering the meshing part of the first bevel gear and the second bevel gear. Meanwhile, the mounting frame 7 can play a role in supporting the lead screw 2 and the motor output shaft, so that the lead screw 2 and the motor can transmit kinetic energy more smoothly. And the mounting frame 7 can also play the role of limiting the movement of the sliding block 3, and can prevent the sliding block 3 from moving to the position of colliding with the first bevel gear and the second bevel gear.

Referring to fig. 2, in some embodiments, a mounting ring 8 is disposed inside the sliding rail 4, and the mounting ring 8 is matched with the screw rod 2 and is used for the screw rod 2 to pass through.

Specifically, the inside of the slide rail 4 may be provided with a support rod, one end of which may be fixed inside the slide rail 4, preferably, the support rod is fixed at the bottom of the slide rail 4. The other end of bracing piece can be equipped with collar 8, can support collar 8 in slide rail 4 for the axis of collar 8 is coaxial with the axis of lead screw 2, and a tip that the motor was kept away from to lead screw 2 can insert and locate in collar 8, and lead screw 2 can rotate for collar 8, and collar 8 can play the effect of support lead screw 2, makes the mounting structure of lead screw 2 more stable.

Preferably, the inner side surface of the mounting ring 8 may be provided with threads, and the lead screw 2 may be threadedly coupled with the mounting ring 8, so that the lead screw 2 may be more stably rotated.

Referring to fig. 1 to 3, in some embodiments, the slide rail 4 is provided with a guide bar 9, the guide bar 9 extends along the length direction of the slide rail 4, and one side of the guide bar 9 extends to contact with the slide block 3.

Specifically, in this embodiment, two guide strips 9 may be provided, the two guide strips 9 may be respectively disposed on two opposite side walls of the slide rail 4, the two guide strips 9 extend in a bending manner toward a direction in which they approach each other, and each guide strip 9 may contact one side surface of the slider 3. After the guide strip 9 is arranged, the contact area between the sliding block 3 and the sliding rail 4 can be reduced, namely, the friction force applied to the sliding block 3 can be reduced, so that the sliding block 3 can be driven to move by rotating the screw rod 2 with smaller force.

In some embodiments, a limiting block is disposed in the slide rail 4, and the limiting block is located on a side of the slide block 3 away from the driving portion 1.

Specifically, in this embodiment, the shape of the limiting member may be a block structure of a rectangular parallelepiped, the limiting member may be installed in the slide rail 4, and the limiting member may be disposed on one side of the slider 3 away from the driving portion 1, and meanwhile, one end of the limiting member may extend to a path along which the slider 3 moves, when the slider 3 moves to contact with the limiting member, the limiting member may prevent the slider 3 from continuing to move in a direction away from the motor, and the limiting member may play a role in preventing the slider 3 from moving to disengage from the lead screw 2.

Referring to fig. 3, a seat according to an embodiment of the present invention includes a seat back 5 and a seat back adjusting mechanism as described above, where the seat back adjusting mechanism is connected to the seat back 5.

Specifically, the seat cushion can be installed in the automobile body, seat back 5 can be installed in the top of seat cushion, and seat back 5 can rotate for the seat cushion, seat back adjustment mechanism can install on the automobile body inner wall, and be located one side of seat back 5, seat back adjustment mechanism's latch hook piece 6 can be connected with seat back 5, can drive latch hook piece 6 through seat back adjustment mechanism and remove to different positions along predetermined direction, thereby make seat back 5 can rotate different angles for the seat cushion, realize the infinitely variable control of seat back 5 angle.

Referring to fig. 3, in some embodiments, the slider 3 of the seat back adjusting mechanism is provided with a latch hook 6, and the seat back 5 is provided with a connecting structure 10 for connecting with the latch hook 6.

Specifically, connection structure 10 can set up in the seat back 5 and be close to the one side of automobile body inner wall, and connection structure 10 can supply latch hook piece 6 to wear to establish, and when latch hook piece 6 was along rectilinear movement, connection structure 10 can make the structural change of adaptability along with latch hook piece 6's removal for latch hook piece 6 can wear to locate connection structure 10 all the time, and drive seat back 5 and rotate for the seat cushion.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims

1. The utility model provides a seat back adjustment mechanism, its characterized in that, includes drive division (1), lead screw (2), slider (3) and slide rail (4), slide rail (4) are used for setting up for seat back (5) slope, drive division (1) with lead screw (2) drive is connected, lead screw (2) with slider (3) transmission is connected, in order to drive slider (3) are followed slide rail (4) motion, just slider (3) be used for with seat back (5) are connected.

2. The seat back adjustment mechanism according to claim 1, further comprising a latch hook member (6), the latch hook member (6) being provided on the slider (3), the slider (3) being adapted to be connected to the seat back (5) via the latch hook member (6).

3. The seat back adjustment mechanism according to claim 2, characterized in that the latch member (6) is a U-shaped member, an open end of the U-shaped member is used for connecting with the slider (3), and a closed end of the U-shaped member is used for penetrating the seat back (5).

4. The seat back adjustment mechanism according to claim 1, characterized in that the drive part (1) comprises an electric motor and a transmission, the electric motor being in driving connection with the screw (2) via the transmission.

5. The seat back adjustment mechanism according to claim 4, wherein the transmission comprises a first bevel gear and a second bevel gear, the motor is connected with the first bevel gear, the first bevel gear is engaged with the second bevel gear, and the second bevel gear is connected with the screw rod (2).

6. The seat back adjusting mechanism according to claim 5, further comprising a mounting frame (7), wherein the mounting frame (7) is sleeved on one end of the screw rod (2), and the first bevel gear and the second bevel gear are both located in the mounting frame (7).

7. The seat back adjustment mechanism according to claim 1, characterized in that a mounting ring (8) is provided in the slide rail (4), the mounting ring (8) being matched with the screw rod (2) and being used for the screw rod (2) to pass through.

8. The seat back adjustment mechanism according to claim 1, characterized in that a limiting block is arranged in the slide rail (4), and the limiting block is located on one side of the slider (3) away from the driving portion (1).

9. Seat, characterized in that it comprises a seat back (5) and a seat back adjustment mechanism according to any one of claims 1-8, which is connected to the seat back (5).

10. The seat according to claim 9, characterized in that a latch hook member (6) is provided on the slider (3) of the seat back adjustment mechanism, and a connection structure (10) for connecting with the latch hook member (6) is provided on the seat back (5).