CN216783318U

CN216783318U - Mechanism for adjusting sitting posture to lying posture of automobile seat

Info

Publication number: CN216783318U
Application number: CN202123238248.6U
Authority: CN
Inventors: 曾春明
Original assignee: Design Of Youhualuosi Automobile Shanghai Ltd
Current assignee: Design Of Youhualuosi Automobile Shanghai Ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-21
Anticipated expiration: 2031-12-22

Abstract

The application discloses a mechanism for adjusting a sitting posture of a car seat to a lying posture, which is suitable for adjusting the car seat to an inclined state. The mechanism for adjusting the sitting posture of the automobile seat to the lying posture comprises a frame main body, a movable piece and an adjusting part. The movable piece is rotationally arranged on the frame body and is used for bearing the seat cushion. The adjusting part comprises a driving part, at least one driving part and at least one driven part. The driving part is fixedly arranged on the frame main body, the driving part is arranged at the output end of the driving part, the driven part is arranged on the moving part and is in transmission connection with the driving part, so that after the driving part drives the driving part to rotate for a preset angle, the driving part drives the driven part to synchronously move so as to drive the moving part to rotate relative to the frame main body, and therefore the angle of the automobile seat is adjusted.

Description

Mechanism for adjusting sitting posture to lying posture of automobile seat

Technical Field

The utility model relates to automotive interior trim, in particular to a mechanism for adjusting the sitting posture to the lying posture of an automotive seat.

Background

With the improvement of living standard of people, more and more people begin to pay attention to the comfort level and the functionality of the automobile seat. Therefore, people want the rear seat of the car to enable a person to lie. The existing automobile rear seat is divided into two parts, one is a seat cushion and the other is a backrest, wherein the backrest can be adjusted, due to the limitation of the internal space of an automobile, the backrest of the automobile cannot be inclined backwards excessively, the backrest is adjusted to 150 degrees at most, a person wants to experience a lying state, the lower half of the body of the person sits on the seat cushion, the upper half of the body leans against the backrest, and the upper half of the body of the person can slide downwards along the backrest due to the inclined angle of the backrest, so that the feet of the person need to be supported forcibly, the downward sliding of the person is avoided, the body of the person cannot be in a completely relaxed state, and the person cannot have a good rest.

SUMMERY OF THE UTILITY MODEL

One advantage of the present invention is to provide a mechanism for adjusting a sitting posture to a lying posture of a car seat, wherein a driving member adjusts a rotation angle of a moving member on a frame body through transmission of a driving member and a driven member, so that a seat cushion of the car seat is inclined, and a person can lie on the car seat.

Another advantage of the present invention is to provide a mechanism for adjusting a sitting posture to a lying posture of a car seat, wherein the rotating rod and the guiding groove cooperate to guide the moving member to rotate, so that an adjusting process of the car seat is more stable.

Another advantage of the present invention is to provide a mechanism for adjusting a sitting posture to a lying posture of a car seat, wherein a transmission reduction mechanism can reduce the rotation speed of a gear, so that the gear can control the rotation angle of a movable member more precisely.

Another advantage of the present invention is to provide a mechanism for adjusting a sitting posture to a lying posture of a car seat, wherein the limiting structure can prevent the moving member from over-rotating on the frame body, and can prevent the car seat from over-rotating, thereby improving the stability of a person sitting on the car seat when adjusting.

To achieve at least one of the above advantages, the present invention provides a mechanism for adjusting a sitting posture of a car seat to a lying posture, adapted to adjust the car seat to an inclined state, the car seat including a seat cushion and a backrest fixed to the seat cushion, wherein the mechanism for adjusting the sitting posture of the car seat to the lying posture includes:

a frame main body;

the movable piece is rotatably arranged on the frame main body and is used for bearing the seat cushion; and

an adjusting part, adjusting part includes a driving piece, an at least driving piece and an at least follower, the driving piece by fixed set up in the frame main part, the driving piece set up in the output of driving piece, the follower set up in the moving part, and with driving piece transmission is connected, so that after the driving piece drives the driving piece rotates predetermined angle, the driving piece drives follower synchronous motion, in order to drive the moving part is relative the frame main part rotates, and after the moving part rotates predetermined angle, the moving part can be in with the angle maintenance after adjusting the frame main part, thereby adjust car seat's angle.

According to an embodiment of the present invention, both sides of the frame main body are provided with at least one guiding groove;

the mechanism that the appearance of lying was adjusted to car seat position of sitting still includes an auxiliary structure, auxiliary structure includes two at least dwangs, the dwang be set up in the side of moving part just is located the inside of guiding groove.

According to an embodiment of the present invention, the auxiliary structure further includes at least two rotating members, and the rotating members are adapted to the guide grooves and sleeved on the rotating rod.

According to an embodiment of the utility model, the rotating member is implemented as a bearing, which is sleeved on the rotating rod, and the outer diameter of the bearing is adapted to the width of the guide groove.

According to an embodiment of the utility model, the drive member is implemented as a motor, the drive member is implemented as a gear, the driven member is implemented as a toothed plate, the toothed plate is in meshed driving connection with the gear, and the gear is arranged at an output shaft of the motor.

According to an embodiment of the present invention, the adjusting component further includes a transmission speed reducing mechanism, the transmission speed reducing mechanism is disposed on the frame body, and the transmission speed reducing mechanism is in transmission connection with the motor and the gear to control the rotation speed of the gear.

According to an embodiment of the present invention, the transmission reduction structure is implemented as a worm gear reduction structure, the worm gear reduction structure includes a worm, a worm wheel, a transmission rod, and a housing, the housing is disposed on the frame body, the transmission rod is rotatably disposed on the housing, and both ends of the transmission rod extend to the outside of the housing, the gear is disposed on the transmission rod and located at one end outside the housing, the worm wheel is disposed on the transmission and located inside the housing, the worm is disposed on the output end of the motor and is in transmission connection with the worm wheel, so that when the worm drives the worm wheel to rotate, the gear and the worm wheel rotate synchronously.

According to an embodiment of the present invention, the adjusting member further includes two limiting structures, and the two limiting structures are disposed on the frame body and correspondingly close to two ends of the guide groove to limit the rotating rod from sliding in the guide groove.

According to an embodiment of the present invention, the limit structure is implemented as a limit switch and a moving member, the limit switch is disposed at an end of the frame body close to the guide slot, the limit switch is connected in series with the motor, and the moving member is disposed at the moving member, so that when the moving member moves to trigger the limit switch, the motor is turned off.

According to an embodiment of the present invention, the limiting structure is implemented as a limiting block, and the limiting block is disposed at an end of the frame close to the guide groove to block the rotating rod from moving in a direction away from the guide groove.

Drawings

Fig. 1 shows a schematic structural diagram of the mechanism for adjusting the sitting posture of the automobile seat to the lying posture, which enables the automobile seat to be vertical.

Fig. 2 shows a schematic structural diagram of the mechanism for adjusting the sitting posture to the lying posture of the automobile seat to incline the automobile seat.

Fig. 3 shows a schematic structural diagram of the vehicle seat of the utility model for adjusting the sitting posture to the lying posture.

Fig. 4 is a schematic structural view showing a partial structure of a mechanism for adjusting a sitting posture to a lying posture of a car seat according to the present invention.

Detailed Description

The following description is provided to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 1 to 4, a mechanism for adjusting a sitting posture to a lying posture of a car seat according to a preferred embodiment of the present invention will be described in detail below. The mechanism for adjusting the lying posture of the automobile seat is arranged on the automobile frame and can enable the automobile rear seat to be inclined, and the automobile rear seat comprises a cushion and a backrest fixed on the cushion. The mechanism for adjusting the sitting posture of the automobile seat to the lying posture comprises a frame main body 10, a movable piece 20 and an adjusting part 30.

The movable member 20 is rotatably disposed on the frame body 10, and the top of the movable member 20 is used for mounting the rear seat of the vehicle.

The adjusting member 30 includes a driving member 31, at least one driving member 33 and at least one driven member 32, the driven member 32 is fixedly disposed at the bottom of the moving member 20, the driving member 31 is fixedly disposed at the frame body 10, the driving member 33 is disposed at the output end of the driving member 31, and the driving member 33 is in transmission connection with the driven member 32. The driving member 33 is driven by the driving member 31 to rotate the driven member 32, and further the movable member 20 is driven to rotate on the frame body 10. When the driving member 31 is not rotated, the movable member 20 is correspondingly stopped and can be held at the rotated angle on the frame body 10.

The driving member 31 rotates to drive the movable member 20 to rotate on the frame body 10, so that the angle of the whole automobile rear seat is changed, and the cushion of the automobile rear seat is inclined upwards. When the people sits on the cushion, when the back of the people leans on the backrest, the upper part of the body is along with the backrest slides downwards, because the automobile cushion is in an upwards inclined shape, the downward sliding force of the upper part of the body can be offset, so that the people lie in the state of relaxing when the automobile rear seat is used, and the people can obtain good relaxation or rest. That is, when a person lies on the car seat, the buttocks of the person just sinks between the seat cushion and the backrest of the car seat, so that the person can have a rest lying in a small space.

At least one guide groove 401 is disposed on both sides of the frame body 10.

The mechanism for adjusting the sitting posture of the automobile seat to the lying posture further comprises an auxiliary structure 40. The auxiliary structure 40 includes at least two rotating rods 41, and the rotating rods 41 are disposed on the side surface of the movable member 20 and located inside the guide groove 401. The guide slot 401 is arc-shaped, and the center of the circle corresponding to the arc is located above the frame body 10 to guide the movable member 20 to rotate. Through the cooperation of the rotating rod 41 and the guide groove 401, the stability of the movable member 20 rotating on the frame body 10 can be improved.

The auxiliary structure 40 further includes at least two rotation members 42, the rotation members 42 are matched with the guide grooves 401 and are sleeved on the rotation rods 41. The friction force when the rotating lever 41 moves is reduced by the rotating member 42 rolling inside the guide groove 401.

The rotary part 42 is embodied as a bearing. The rotating rod 41 rolls in the guide groove 401 through a bearing, and when the moving member 20 is guided to rotate, the friction force of the moving member 20 in the moving process is reduced, so that the moving member 20 can rotate more stably.

The frame body 10 is provided with four guide grooves 401. The four guide grooves 401 are distributed on two sides of the frame body 10 in a group of two. The rotating levers 41 are implemented in eight and slide in the corresponding guide grooves 401. The eight rotating levers 41 can uniformly receive the movable element 20, and can stably support the movable element 20. The circle centers of the circular arcs of the guide grooves 401 on the same side of the frame body 10 are located at the same position.

The guide groove 401 is an arc having a large radius, and can stably guide the movable member 20 to rotate on the frame body 10 without causing a large change in the angle of the movable member 20.

In one embodiment, the drive member 31 is implemented as a motor, the drive member 33 is implemented as a gear, and the driven member 32 is implemented as a toothed plate, which is in meshing transmission connection with the gear. The gear is fixedly disposed on an output shaft of the motor, and the motor drives the gear to rotate, so that the gear and the toothed plate are in meshed transmission, and the movable member 20 is driven to rotate on the frame body 10 along the guide groove 401. Adopt motor control moving part 20 rotates, can use manpower sparingly, and it is convenient right seat regulates and control behind the car, and adopt gear drive stable in structure reliable.

In one embodiment, the adjustment member 30 further includes a transmission reduction structure 34. The transmission speed reducing structure 34 is disposed on the frame body 10, and the transmission speed reducing structure 34 is in transmission connection with the motor and the gear. The transmission speed reducing structure 34 can precisely control the number of turns of the gear, so as to achieve the purpose of precisely controlling the rotation angle of the movable element 20.

The transmission reduction arrangement 34 is implemented as a worm reduction arrangement. The worm and gear speed reducing structure comprises a worm, a worm wheel, a transmission rod and a shell. The housing is provided to the frame body 10. The transmission rod is rotatably arranged on the shell, and two ends of the transmission rod extend to the outside of the shell. The gear is arranged at one end of the transmission rod, which is positioned outside the shell. The worm wheel is fixedly arranged on the transmission rod and is positioned in the shell. The worm is arranged on an output shaft of the motor and is in transmission connection with the worm wheel so as to drive the worm wheel to rotate. When the motor rotates, the worm is driven by the motor and drives the worm wheel to rotate, and because the worm wheel and the gear are simultaneously arranged on the transmission rod, the gear and the worm wheel synchronously rotate, so that the movable piece 20 can be driven by the gear to rotate on the frame main body 10. The worm and gear speed reducing mechanism can stably and effectively reduce the rotating speed of the motor and can ensure the stable rotation of the gear.

In addition, the worm and gear speed reducing mechanism is a one-way transmission mechanism, the worm can only drive the worm to rotate, and the worm gear cannot drive the worm to rotate, so that the toothed plate can be prevented from driving the gear to rotate, and the movable member 20 is further kept on the frame body 10 in a stable posture.

The adjustment member 30 further includes two position-limiting structures 35. The two limiting structures 35 are correspondingly disposed at two ends of the frame body 10 close to the guide slot 401. The limiting structure 35 can limit the rotation of the movable member 20, and can prevent the movable member 20 from excessively rotating on the frame body 10.

The limit structure 35 is implemented as a limit switch 351 and a moving member 352. The limit switch 351 is provided at one end of the frame body 10 near the guide groove 401. The limit switch 351 is connected with the motor in series, and the limit switch 351 is in a normally closed state. When the limit switch 31 is triggered, the limit switch 351 is turned off, so that the motor is in a cut-off state. The moving member 352 is disposed on the moving member 20 and moves synchronously with the moving member 20. When the movable element 20 rotates to the edge of the guide slot 401, the movable element 352 triggers the limit switch 351, so that the motor is powered off and stops rotating, thereby preventing the movable element 20 from excessively rotating on the guide slot 401.

The stopper structure 35 may also be implemented as a stopper. The limiting block is fixedly arranged at one end of the frame close to the guide groove 401. The rotation rod is restricted from sliding in the guide groove 401 in such a manner as to block the movement of the movable member 20, thereby restricting the rotation of the movable member 20.

The automobile seat further comprises a leg support and a pillow. The leg support is arranged on the cushion and used for supporting the legs of people to enable the bodies of people to be in a relaxed state. The pillow is arranged on the backrest, so that the head of a user can be supported when the user lies, and the comfort level of the user when the user lies is improved.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are given by way of example only and are not limiting of the utility model. The advantages of the present invention have been fully and effectively realized. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims

1. The mechanism of the appearance of lying is adjusted to car seat position of sitting, is suitable for to adjust car seat to the slope form, and this car seat includes the cushion and fixes back on the cushion, its characterized in that, the mechanism that the appearance of lying is adjusted to car seat position of sitting includes:

a frame main body;

2. The mechanism for adjusting the sitting posture to the lying posture of the car seat as claimed in claim 1, wherein at least one guiding groove is formed on each of two sides of the frame body;

3. The mechanism for adjusting the sitting posture to the lying posture of the car seat as claimed in claim 2, wherein the auxiliary structure further comprises at least two rotating members, the rotating members are matched with the guiding grooves and sleeved on the rotating rods.

4. The mechanism for adjusting the sitting posture of the car seat to the lying posture as claimed in claim 3, wherein the rotating member is implemented as a bearing, the bearing is sleeved on the rotating rod, and the outer diameter of the bearing is matched with the width of the guide groove.

5. Mechanism of the vehicle seat for sitting to a lying position according to claim 4, characterized in that the drive member is embodied as a motor, the drive member is embodied as a gear, the driven member is embodied as a toothed plate, which is in meshed transmission connection with the gear, the gear is arranged at an output shaft of the motor.

6. The mechanism for adjusting the sitting posture to the lying posture of the car seat as claimed in claim 5, wherein the adjusting member further comprises a transmission speed reducing mechanism, the transmission speed reducing mechanism is disposed on the frame body, and the transmission speed reducing mechanism is in transmission connection with the motor and the gear to control the rotation speed of the gear.

7. The mechanism for adjusting the sitting posture of a car seat to a lying posture as claimed in claim 6, wherein the transmission reduction structure is implemented as a worm gear reduction structure comprising a worm, a worm wheel, a transmission rod and a housing, the housing is disposed on the frame body, the transmission rod is rotatably disposed on the housing, both ends of the transmission rod extend to the outside of the housing, the gear is disposed on the transmission rod and located at one end of the outside of the housing, the worm wheel is disposed on the transmission and located inside of the housing, the worm is disposed on the output end of the motor and connected with the worm wheel transmission, so that when the worm drives the worm wheel to rotate, the gear rotates synchronously with the worm wheel.

8. The mechanism for adjusting a sitting posture to a lying posture of a car seat as claimed in claim 7, wherein said adjusting member further comprises two limiting structures disposed on said frame body and respectively near two ends of said guiding groove for limiting the sliding of said rotating rod in said guiding groove.

9. The mechanism for adjusting the sitting posture of a car seat to the lying posture of claim 8, wherein the limiting structure is implemented as a limiting switch and a moving member, the limiting switch is disposed at one end of the frame body near the guiding slot, the limiting switch is connected in series with the motor, and the moving member is disposed at the moving member, so that when the moving member moves to trigger the limiting switch, the motor is turned off.

10. The mechanism for adjusting a sitting posture to a lying posture of a car seat as claimed in claim 8, wherein the limiting structure is implemented as a limiting block disposed at an end of the frame close to the guide groove to block the rotating lever from moving in a direction away from the guide groove.