CN219029193U

CN219029193U - Anti-submergence mechanism for automobile seat cushion

Info

Publication number: CN219029193U
Application number: CN202320177865.XU
Authority: CN
Inventors: 粟朝刚; 周小军; 李成
Original assignee: Guangxi Shuangying Group Co ltd
Current assignee: Guangxi Shuangying Group Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-05-16
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses an anti-submergence mechanism of an automobile seat cushion, which comprises a limiting piece connected to a seat frame cross beam, wherein the lower end of the limiting piece is provided with an arc bayonet which is used for being clamped on the seat frame lower cross beam; when the automobile seat cushion is stressed and sunk to a target position, the arc bayonet of the limiting part is just clamped on the lower cross beam of the seat frame, and the limiting part and the automobile seat cushion at the moment are limited and cannot move downwards and backwards and forwards, the limiting part is fixedly arranged on the cushion lifting structure, and the cushion lifting structure is arranged on the lower cross beam of the seat frame. This car seat cushion prevents diving mechanism not only stability is good, and simple structure moreover, on the one hand through taking the downward block of locating part of arc bayonet socket on the seat frame bottom end rail, on the other hand holds the seat frame entablature through the cushion lifting structure, holds car seat cushion jointly through locating part and cushion lifting structure to effectively prevent under the car seat cushion, compare in the connecting rod support, auxiliary locating part that can be better supports car seat cushion.

Description

Anti-submergence mechanism for automobile seat cushion

Technical Field

The utility model relates to an automobile seat, in particular to an anti-submergence mechanism for an automobile seat cushion.

Background

During dynamic test of the automobile, the seat hardware, the seat belt and the accessories are required to be locked in the locked position before the test in the collision and after the collision, so that the seat system is ensured not to be damaged to passengers due to deformation of parts during and after the test. For this reason, it is necessary to provide a seat cushion of the car seat with a diving prevention mechanism.

The existing automobile seat cushion anti-submergence mechanism is more in variety, for example: the seat anti-submergence structure and the automobile seat (CN 111674299B) developed by Zhejiang Jili strand control group limited company comprise a half basin, an anti-submergence part, a driving piece and a sensor, wherein the anti-submergence part comprises a blocking part, the position of the anti-submergence part comprises a first position and a second position, and the driving piece is used for driving the anti-submergence part to be changed from the first position to the second position; the automobile seat anti-submergence supporting structure (CN 203920497U) developed by Nanchang Yangfeng Jiangsen automobile part system limited company comprises a seat basin and two side plates which are in butt joint with the seat basin, wherein one end parts of the two side plates are respectively fixed on the left side and the right side of the seat basin, and supporting bars are fixedly arranged on the outer side face of the inner side wall of the seat basin.

For the anti-submergence mechanism of the automobile seat cushion, one of key points is how to stabilize and effectively prevent the seat cushion from submergence, and under the condition of meeting the anti-submergence requirement, the cost of the seat assembly is more favorably simplified by simplifying the anti-submergence structure. Therefore, it is necessary to design a stable, effective and simple-structured anti-dive mechanism for a seat cushion of an automobile.

Disclosure of Invention

The utility model aims to provide a stable, effective and simple-structure anti-submergence mechanism for a seat cushion of an automobile seat.

The object of the utility model is achieved by the following scheme.

The anti-submergence mechanism for the automobile seat cushion comprises a limiting piece connected to a seat frame cross beam, wherein an arc-shaped bayonet is arranged at the lower end of the limiting piece and is used for being clamped on the seat frame lower cross beam; when the automobile seat cushion is stressed and sunk to the target position, the arc bayonet of the limiting part is just clamped on the lower cross beam of the seat frame, and the limiting part and the automobile seat cushion at the moment are limited and cannot move downwards and forwards and backwards.

Preferably, the limiting piece is fixedly arranged on the upper cross beam of the seat frame.

Preferably, the limiting piece is fixedly arranged on the cushion lifting structure, and the cushion lifting structure is arranged on the lower cross beam of the seat frame.

Further, the upper end of the cushion lifting structure supports the upper cross beam of the seat frame, and the lower end of the cushion lifting structure is connected with the lower cross beam of the seat frame; the limiting piece is fixedly connected to the lifting part of the cushion lifting structure.

Further, the limiting piece is arranged on the back side of the cushion lifting structure.

For further improving the stability of the automobile seat cushion anti-submergence mechanism, the cushion lifting structure comprises a vertically arranged screw rod, a screw rod is connected with a driving motor, a screw rod nut is arranged on the screw rod, a supporting piece is fixedly arranged on the screw rod nut, and a lifting component is jointly formed by the screw rod nut and the supporting piece.

Preferably, the limiting part is of a U-shaped structure, and two arc-shaped bayonets are arranged on the limiting part.

Preferably, the limiting piece is provided with two lugs and a plate body used for connecting the lugs, the arc-shaped bayonet is arranged at the lower end of the lugs, and the plate body is connected to the back side of the supporting piece through a fastener.

Preferably, when the limiting piece moves downwards to the lower limit position, the arc-shaped bayonet is just clamped on the lower cross beam of the seat frame.

The beneficial effects are that: the anti-submergence mechanism of the automobile seat cushion provided by the utility model has the advantages that the stability is good, the structure is simple, on one hand, the limiting piece with the arc bayonet is downwards clamped on the lower beam of the seat frame, on the other hand, the upper beam of the seat frame is supported by the cushion lifting structure, and the automobile seat cushion is supported by the limiting piece and the cushion lifting structure together, so that the automobile seat cushion is effectively prevented from submergence; because the lead screw structure is adopted as a cushion lifting structure, compared with a connecting rod support, the automobile seat cushion is supported by the auxiliary limiting piece which can be better.

Drawings

Fig. 1 and 2 are schematic diagrams of an anti-submergence mechanism of an automobile seat cushion in embodiment 1 (a limiting member is clamped on a lower cross beam of a seat frame);

fig. 3 and 4 are schematic views of the anti-dive mechanism of the car seat cushion in embodiment 1 (the stopper is not engaged with the lower cross member of the seat frame).

Detailed description of the preferred embodiments

The utility model will be described in detail below with reference to the drawings and the detailed description.

Example 1

Referring to fig. 1 to 4, an anti-submergence mechanism for a seat cushion of an automobile comprises a limiting piece 2 connected to a seat frame beam, wherein an arc-shaped bayonet 3 is arranged at the lower end of the limiting piece 2, and the arc-shaped bayonet 3 is used for being clamped on a seat frame lower beam 4; when the automobile seat cushion is stressed and sunk to the target position, the arc bayonet 3 of the limiting piece 2 is just clamped on the seat frame lower cross beam 4, and the limiting piece 2 and the automobile seat cushion at the moment are limited and cannot move downwards and forwards and backwards. The limiting piece 2 is fixedly arranged on the cushion lifting structure, and the cushion lifting structure is arranged on the seat frame lower cross beam 4; the seat frame upper cross beam 5 is supported to cushion lifting structure upper end, lower extreme connection seat frame lower cross beam 4, and locating part 2 fixed connection is on the lifting element of cushion lifting structure, and locating part 2 installs in cushion lifting structure dorsal part.

In this embodiment, cushion lifting structure includes vertically arranged's lead screw 6, and driving motor is connected to lead screw 6, is provided with screw nut 7 on the lead screw 6, and screw nut 7 is last to be fixed to set up support piece 8, constitutes lifting element jointly by screw nut 7 and support piece 8.

In this embodiment, locating part 2 is U-shaped structure, is provided with two arc bayonet sockets 3 on the locating part 2, and the locating part 2 has two ears and is used for connecting the plate body of ear, and arc bayonet socket 3 sets up in the ear lower extreme, and this plate body passes through the fastener to be connected at support 8 dorsal part. When the limiting piece 2 moves downwards to the lower limit position, the arc-shaped bayonet 3 is just clamped on the lower cross beam 4 of the seat frame.

As shown in fig. 1 and 2, at this time, the nut seat 7 is at a lower limit position, the seat frame upper beam 5 is supported (supported) at a corresponding lower limit position by the supporting member 8, and the seat frame lower beam 4 is clamped by the arc-shaped bayonet 3 of the limiting member 2, so as to prevent the seat cushion of the automobile seat from submerging; when the nut seat 7 is moved up to the upper limit position, the support 8 and the frame upper cross member 6 are also positioned at the corresponding upper limit positions.

Example 2

An automobile seat cushion anti-dive mechanism, referring to embodiment 1, is mainly different from embodiment 1 in that: the limiting piece 2 is fixedly arranged on the seat frame upper cross beam 5.

The automobile seat cushion anti-submergence mechanism in the embodiment has good stability and simple structure, on one hand, the limiting piece with the arc bayonet is downwards clamped on the lower beam of the seat frame, on the other hand, the upper beam of the seat frame is supported by the cushion lifting structure, and the automobile seat cushion is supported by the limiting piece and the cushion lifting structure together, so that the automobile seat cushion is effectively prevented from submergence; because the lead screw structure is adopted as a cushion lifting structure, compared with a connecting rod support, the automobile seat cushion is supported by the auxiliary limiting piece which can be better.

Claims

1. The utility model provides a mechanism is prevented diving by car seat cushion which characterized in that: the novel seat frame comprises a limiting piece (2) connected to a seat frame beam, wherein an arc-shaped bayonet (3) is arranged at the lower end of the limiting piece (2), and the arc-shaped bayonet (3) is used for being clamped on a seat frame lower beam (4); when the automobile seat cushion is stressed and sunk to a target position, the arc-shaped bayonet (3) of the limiting part (2) is just clamped on the seat frame lower cross beam (4), and the limiting part (2) and the automobile seat cushion at the moment are limited and cannot move downwards and forwards and backwards.

2. The car seat cushion anti-dive mechanism of claim 1, wherein: the limiting piece (2) is fixedly arranged on the upper cross beam (5) of the seat frame.

3. The car seat cushion anti-dive mechanism of claim 1, wherein: the limiting piece (2) is fixedly arranged on the cushion lifting structure, and the cushion lifting structure is arranged on the seat frame lower cross beam (4).

4. A car seat cushion anti-dive mechanism as claimed in claim 3, wherein: the upper end of the cushion lifting structure supports the seat frame upper cross beam (5) and the lower end of the cushion lifting structure is connected with the seat frame lower cross beam (4); the limiting piece (2) is fixedly connected to the lifting part of the cushion lifting structure.

5. The car seat cushion anti-dive mechanism of claim 4, wherein: the limiting piece (2) is arranged on the back side of the cushion lifting structure.

6. A car seat cushion anti-dive mechanism as claimed in any one of claims 3 to 5, wherein: the cushion lifting structure comprises a screw rod (6) which is vertically arranged, the screw rod (6) is connected with a driving motor, a screw rod nut (7) is arranged on the screw rod (6), a supporting piece (8) is fixedly arranged on the screw rod nut (7), and a lifting component is formed by the screw rod nut (7) and the supporting piece (8) together.

7. The car seat cushion anti-dive mechanism of claim 6, wherein: the limiting part (2) is of a U-shaped structure, and two arc-shaped bayonets (3) are arranged on the limiting part (2).

8. The car seat cushion anti-dive mechanism of claim 6, wherein: the limiting piece (2) is provided with two lugs and a plate body used for connecting the lugs, the arc-shaped bayonet (3) is arranged at the lower end of the lugs, and the plate body is connected to the back side of the supporting piece (8) through a fastener.

9. The car seat cushion anti-dive mechanism of claim 8, wherein: when the limiting piece (2) moves downwards to the lower limit position, the arc-shaped bayonet (3) is just clamped on the lower cross beam (4) of the seat frame.