CN217574954U

CN217574954U - Automobile cushion rear end lifting structure and automobile seat

Info

Publication number: CN217574954U
Application number: CN202220928203.7U
Authority: CN
Inventors: 游双全
Original assignee: Chongqing Shuangma Technology Co ltd
Current assignee: Chongqing Shuangma Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-14
Anticipated expiration: 2032-04-21

Abstract

The utility model provides a lifting structure for the rear end of an automobile cushion and an automobile seat.A lifting mechanism arranged on the automobile seat framework is driven to move by means of backward rotation of a backrest framework of the automobile seat so as to drive the rear end of the cushion to be lifted along with the backward rotation of the backrest framework; the car seat adopts the lifting structure. The utility model discloses a lifting mechanism has realized the lifting steadily to tip behind the car cushion ingeniously for when the back was put backward, the difference in height of tip can be eliminated behind back lower extreme and the cushion, has improved the travelling comfort when the user has a rest of lying by a wide margin.

Description

Automobile cushion rear end lifting structure and automobile seat

Technical Field

The utility model relates to a car seat, concretely relates to tip lifting structure and adopt car seat of this lifting structure behind car cushion.

Background

Under the non-driving state of passenger and commercial vehicles, when a user lays the backrest flat backwards for rest, the lower end of the backrest and the rear end of the cushion have a height difference due to the influence of the rotation point of the backrest, so that the comfort of the user during lying and rest is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that the travelling comfort is poor when solving the back of the seat cushion and having the difference in height and leading to lying to have a rest back lower extreme when laying flat backward.

The utility model adopts the following technical scheme.

The utility model provides a tip lifting structure behind car cushion which characterized in that: the lifting mechanism arranged on the automobile seat framework is driven to move by means of backward rotation of the backrest framework of the automobile seat so as to drive the rear end part of the cushion to be lifted up along with the backward rotation of the backrest framework, and when the backrest framework is placed flat backward, the rear end of the cushion and the lower end of the backrest are basically in the same plane.

Further, the lifting mechanism includes: the seat cushion comprises a first hinge element fixedly hinged on a seat cushion framework, a movable element and a second hinge element fixedly hinged on a backrest framework, wherein the first hinge element is movably connected with the movable element; when the backrest framework rotates backwards, the second hinge component is driven to deflect downwards, the connecting part of the moving component and the first hinge component is driven to lift, and in the process, the first hinge component rotates anticlockwise.

For the stability that improves tip lifting structure behind the car cushion to the realization is with the position of being connected of first articulated elements and moving part lifting to peak (for the fixed hinge point of first articulated elements), the second articulated elements has the upwarp section, the moving part has the arch and bends, encloses the space that the synthesis held violently pipe behind the cushion jointly by the inner wall of the inner arc wall of upwarp section and arch, and horizontal pipe axis is as behind the cushion the centre of rotation of moving part.

The utility model discloses in, when back skeleton backward rotation, first articulated elements anticlockwise rotation, and then drive the moving part violently manages clockwise rotation round the cushion back.

In order to stably lift the rear end of the seat cushion, the first hinge parts, the second hinge parts and the movable part 4 are respectively arranged in parallel, and the first hinge parts are fixedly connected together through a connecting rod and support the seat cushion of the automobile seat by means of the connecting rod.

In order not to affect the main structure layout of the existing automobile seat, the movable piece is positioned inside the first hinge piece and the second hinge piece.

In order not to impair the comfort of the vehicle seat in the driving state, the connecting rod is always in contact with the seat spring of the vehicle seat.

In order to improve the flexibility of the lifting structure of the rear end part of the automobile seat cushion, a strip-shaped hole is formed in the first hinge element, and when the first hinge element rotates, the connection point of the first hinge element and the movable element is adaptively changed in the strip-shaped hole; and when the second hinged part deflects, the connection part of the second hinged part and the movable part is adaptively changed in the arc-shaped strip hole.

Preferably, when the first hinge member is rotated clockwise to the limit position, the first hinge member is in a horizontal state or a nearly horizontal state.

The utility model provides an adopt car seat of aforementioned car cushion rear end portion lifting structure which characterized in that: the first hinged parts are connected to the side frames of the cushion framework, and the second hinged parts are connected to the bottom of the backrest framework.

Has the advantages that: the utility model skillfully realizes the smooth lifting of the rear end part of the automobile cushion through the lifting mechanism, so that when the backrest is placed backwards, the height difference between the lower end of the backrest and the rear end part of the cushion can be eliminated, and the comfort of a user during lying and resting is greatly improved; the utility model smoothly drives the lifting of the rear end part of the cushion by means of the acting force generated by the backward rotation of the backrest, does not add extra operation procedures, does not influence the main structure layout of the prior automobile seat, and does not influence the normal function and the use steps of the automobile seat; the utility model provides a tip lifting structure behind car cushion still has the good advantage of stability and flexibility.

Drawings

FIG. 1 is a first schematic view (non-elevated state) of an embodiment of the elevating structure mounted on a vehicle seat;

FIG. 2 is a schematic view II (non-lifting state) of the lifting structure mounted on the car seat in the embodiment;

FIG. 3 is a first schematic view of the embodiment showing the lifting structure mounted on the vehicle seat (lifting/seat back laid flat rearward);

FIG. 4 is a second schematic view of the embodiment showing the lifting structure mounted on the vehicle seat (lifting/seat back laid flat rearward);

FIG. 5 is a first schematic diagram of an exemplary lifting mechanism;

FIG. 6 is a second schematic diagram of the lifting mechanism in the embodiment;

FIG. 7 is a partial schematic view of a lifting mechanism in an embodiment;

FIG. 8 is a schematic view of the movable member of the lifting mechanism in an embodiment;

figure 9 is a schematic view of a second hinge of the lifting mechanism in an embodiment.

Detailed Description

The scheme of the invention is further explained by combining the drawings and the embodiment.

Example 1

As shown in fig. 1 to 9, in a lifting structure for a rear end of a seat cushion of an automobile, a lifting mechanism 30 provided on a frame of an automobile seat is driven to move by a backward rotation of a back frame 32 of the automobile seat, so that the rear end of the seat cushion is lifted up along with the backward rotation of the back frame 32, and when the back frame 32 is laid down backward, the rear end of the seat cushion and the lower end of the back cushion are substantially in the same plane.

In this embodiment, the lifting mechanism 30 includes: a first hinged member 16 fixedly hinged on the seat cushion framework 31 (the connection point of the first hinged member 16 and the seat cushion framework 31 is a fixed hinged point 17), a movable member 14, a second hinged member 12 fixedly hinged on the backrest framework 32 (the connection point of the second hinged member 12 and the backrest framework 32 is a fixed hinged point 13), the first hinged member 16 is movably connected with the movable member 14, the second hinged member 12 is movably connected with the movable member 14, and the connection part 27 of the second hinged member 12 and the movable member 14 can be adaptively changed along with the rotation of the backrest framework 32; when the backrest frame 32 rotates backward, the second hinge member 12 is driven to deflect downward, and the connection portion between the movable member 14 and the first hinge member 16 is driven to lift, in this process, the first hinge member 16 rotates counterclockwise.

In this embodiment: as shown in fig. 8, the movable element 14 has an arched bend 20, an arched space 19 of the arched bend 20 is disposed downward, two arch foot ends of the arched bend 20 are respectively connected to the extending sections, each extending section is provided with a hinge hole, one of the hinge holes cooperates with the first hinge element 16 to form a connection point 15, and the other hinge hole 18 cooperates with the second hinge element 12 to form a connection portion 27; as shown in fig. 9, the second hinge element 12 has an upward-warping section, the second hinge element 12 is integrally in an arc-shaped structure, the inner space 22 of the arc-shaped structure is installed upward, a space 25 for accommodating the rear cushion cross tube 10 is defined by the inner arc wall 23 of the upward-warping section (the inner arc wall 23 of the upward-warping section is a part of the inner wall 21 of the arc-shaped structure) and the inner wall 24 of the arc-shaped bend 20, the rear cushion cross tube 10 serves as a rotation axis of the movable member 14, and the axis of the rear cushion cross tube 10 serves as a rotation center of the movable member 14.

Wherein when the back frame 32 is rotated rearward, the first hinge member 16 rotates counterclockwise, which in turn rotates the moveable member 14 clockwise about the rear cushion cross tube 10.

As shown in fig. 5, two first hinge members 16, two second hinge members 12, and two movable members 14 are respectively arranged in parallel, the two first hinge members 16 are fixedly connected together by a link 28, and support the rear end portion of the seat cushion of the vehicle seat by means of the link 28; the connecting rod 28 is always in contact with the seat spring 33 of the car seat.

In this embodiment, the moveable member 14 is located inside the first and second hinged

members

16, 12.

In this embodiment, the first hinge 16 is provided with a strip-shaped hole 26, and when the first hinge 16 rotates, the connection point 15 of the first hinge 16 and the movable member 14 is adapted in the strip-shaped hole 26; the second hinge part 12 is provided with a curved bar hole 11, and when the second hinge part 12 is deflected, a connection point 27 of the second hinge part 12 and the movable part 14 is adapted in the curved bar hole 11. When the first hinge 16 is rotated clockwise to the extreme position, the first hinge 16 is in a horizontal or nearly horizontal state.

In a normal state (non-lifted state), as shown in fig. 1, 2, and 5, the first hinge member 16 is in a horizontal state or a state close to the horizontal state, the second hinge member 12 is in a state of being arranged obliquely, and a top edge of a protruding section of the movable member 14 near the first hinge member 16 side is substantially flush with a top edge of the first hinge member 16; after the backrest is laid back, the automobile seat is in a state shown in fig. 3 and 4 (i.e., the lifting mechanism 30 is in a lifting state), at this time, the extending section 29 of the movable element 14 close to the first hinge element 16 tilts upward, the first hinge element 16 also tilts upward, the connecting part of the first hinge element 16 and the movable element 14 is lifted to the highest point (relative to the fixed hinge point 17 of the first hinge element 16), the connecting rod 28 at this time is also lifted, the rear end part of the seat cushion supported by the connecting rod 28 is lifted, so that the lower end of the backrest is flush with the rear end part of the seat cushion, that is, the height difference between the lower end of the backrest and the rear end part of the seat cushion is eliminated; when the backrest is returned forward, the first hinge member 16 and the movable member 14 return to the normal state.

The lifting mechanism 30 skillfully realizes the stable lifting of the rear end part of the automobile cushion, so that when the backrest is placed backwards, the height difference between the lower end of the backrest and the rear end part of the cushion is eliminated, and the comfort of a user during lying and resting is greatly improved; when the automobile seat is used, the rear end part of the cushion is smoothly driven to lift by virtue of acting force generated by backward rotation of the backrest, so that no additional operation process is added, the main structure layout of the existing automobile seat is not influenced, and the normal function and the use steps of the automobile seat are not influenced; furthermore, the utility model provides a tip lifting structure behind car cushion still has the good advantage of stability and flexibility.

Example 2

A car seat, which adopts the lifting mechanism 30 of embodiment 1, wherein a first hinge member 16 is connected to a side frame of a seat cushion frame 31, and a second hinge member 12 is connected to a bottom of a backrest frame 32.

In the present invention, the fixed hinge point 13 should be understood as: the second hinge 12 can rotate around the fixed hinge point 13, and the relative position of the second hinge 12 and the backrest frame 32 is not fixed, but when the backrest frame 32 rotates, the position of the rotating point of the fixed hinge point 13 relative to the backrest frame 32 itself changes relatively, that is, the position of the fixed hinge point 13 changes along with the state change of the backrest frame 32.

The utility model discloses in, violently pipe 10 is fixed behind the cushion, and moving part 14 is rotatory round violently pipe 10 behind the cushion, and in the rotation process, first articulated elements 16 and moving part 14's tie point 15 and, second articulated elements 12 and moving part 14's connection position 27 all can take place the position change.

Claims

1. The utility model provides an end lifting structure behind car cushion which characterized in that, it includes: the seat cushion comprises a first hinged part (16) fixedly hinged on a seat cushion framework (31), a movable part (14), and a second hinged part (12) fixedly hinged on a backrest framework (32), wherein the first hinged part (16) is movably connected with the movable part (14), the second hinged part (12) is movably connected with the movable part (14), and a connecting part (27) of the second hinged part can be adaptively changed along with the rotation of the backrest framework (32); when the backrest framework (32) rotates backwards, the second hinge piece (12) is driven to deflect downwards, and then the connecting part of the moving piece (14) and the first hinge piece (16) is driven to lift, in the process, the first hinge piece (16) rotates anticlockwise, and the moving piece (14) rotates clockwise around the rear transverse tube (10) of the seat cushion; when the backrest frame (32) is laid back, the rear end of the cushion and the lower end of the backrest are basically in the same plane.

2. The automobile seat cushion rear end portion lifting structure according to claim 1, wherein: the second articulated elements (12) have the section of upwarping, moving part (14) have arch bend (20), enclose synthetic space (25) that hold horizontal pipe (10) behind the cushion jointly by the inner arc wall (23) of the section of upwarping and inner wall (24) of arch bend (20), horizontal pipe (10) axis is as behind the cushion the rotation center of moving part (14).

3. The automobile seat cushion rear end portion lifting structure according to any one of claims 1 to 2, wherein: the first hinge joint (16), the second hinge joint (12) and the movable piece (14) are respectively arranged in parallel, the first hinge joints (16) are fixedly connected together through a connecting rod (28), and the connecting rod (28) is used for supporting a seat cushion of the automobile seat.

4. The automobile seat cushion rear end portion lifting structure according to claim 3, characterized in that: the movable member (14) is located inside the first hinge member (16) and the second hinge member (12).

5. The automobile seat cushion rear end portion lifting structure according to claim 4, characterized in that: the connecting rod (28) is always in contact with a seat spring (33) of the automobile seat.

6. The automobile cushion rear-end lifting structure according to claim 5, wherein: a strip-shaped hole (26) is formed in the first hinge piece (16), and when the first hinge piece (16) rotates, the connecting point (15) of the first hinge piece (16) and the movable piece (14) is adaptively changed in the strip-shaped hole (26); the second articulated piece (12) is provided with an arc-shaped strip hole (11), and when the second articulated piece (12) deflects, the connection part (27) of the second articulated piece (12) and the movable piece (14) is adaptively changed in the arc-shaped strip hole (11).

7. The automobile seat cushion rear end portion lifting structure according to claim 6, wherein: when the first hinge joint (16) rotates clockwise to the extreme position, the first hinge joint (16) is in a horizontal state or a state close to the horizontal state.

8. A car seat employing the car seat rear end raising structure according to any one of claims 2 to 7, characterized in that: the first hinge parts (16) are connected to side frames of the seat cushion framework (31), and the second hinge parts (12) are connected to the bottom of the backrest framework (32).