一种座垫靠背联动的后排汽车座椅

Abstract

本实用新型公开了一种座垫靠背联动的后排汽车座椅，包括滑动组件、沿滑动组件移动的座垫组件及与座垫组件铰接的靠背组件；座垫组件包括L型抬升厚板和滑轨解锁件，L型抬升厚板一端与靠背组件连接，L型抬升厚板另一端与滑轨解锁件连接，滑轨解锁件与滑动组件形成可开合的限位结构；靠背组件驱动L型抬升厚板转动进而驱动滑轨解锁件转动，滑轨解锁件控制限位结构开合状态。本实用新型通过设置L型抬升厚板形成绕滑动组件转动的杠杆，使得靠背组件通过L型抬升厚板能够省力地驱动滑轨解锁件转动，打开限位结构，使得靠背组件和座椅组件形成联动作用，以驱动座垫组件和折叠后的靠背组件同时沿滑动组件移动，方便后排乘客进入后排空间。

Claims

1. A rear car seat with a linked seat cushion and backrest, characterized in that, include: The sliding assembly (3), the seat cushion assembly (2) that moves along the sliding assembly (3), and the backrest assembly (1) that is hinged to the seat cushion assembly (2); The seat cushion assembly (2) includes an L-shaped lifting plate (22) and a slide rail unlocking component (23) that both rotate relative to the sliding assembly (3). One end of the L-shaped lifting plate (22) is connected to the backrest assembly (1), and the other end of the L-shaped lifting plate (22) is connected to the slide rail unlocking component (23). The slide rail unlocking component (23) and the sliding assembly (3) form an openable and closable limiting structure. The backrest assembly (1) drives the L-shaped lifting plate (22) to rotate, the L-shaped lifting plate (22) drives the slide rail unlocking component (23) to rotate, and the slide rail unlocking component (23) controls the opening and closing state of the limiting structure.

2. The rear car seat according to claim 1, characterized in that: The end of the L-shaped lifting plate (22) connected to the backrest assembly (1) is the power end A, the end of the L-shaped lifting plate (22) connected to the slide rail unlocking component (23) is the resistance end A, the L-shaped lifting plate (22) is the force-saving lever a, the rotation point of the L-shaped lifting plate (22) is point B, and the distance between the power end A and the rotation point B is greater than the distance between the resistance end A and the rotation point B.

3. The rear car seat according to claim 2, characterized in that: The backrest assembly (1) includes a drive member (13) for driving the L-shaped lifting plate (22) to rotate. The drive member (13) is a cylinder and the axis of the drive member (13) is perpendicular to the L-shaped lifting plate (22). The power end A of the L-shaped lifting plate (22) forms an upper side surface (221) close to the drive member (13). The upper side surface (221) is tangent to the radial side surface of the drive member (13). The radial side surface of the drive member (13) applies pressure to the upper side surface (221) to drive the L-shaped lifting plate (22) to rotate.

4. The rear car seat according to claim 2, characterized by: The end of the slide rail unlocking component (23) connected to the L-shaped lifting plate (22) is the power end C, the end of the slide rail unlocking component (23) forming the limiting structure is the resistance end C, the slide rail unlocking component (23) is a force-saving lever c, the rotation point of the slide rail unlocking component (23) is point D, and the distance between the power end C and the rotation point D is greater than the distance between the resistance end C and the rotation point D.

5. The rear car seat according to claim 4, characterized in that The slide rail unlocking component (23) includes an unlocking pull rod (231) forming the power end C and an unlocking pressure rod (232) forming the resistance end C. The unlocking pull rod (231) and the unlocking pressure rod (232) intersect at the rotation point D. When the power end C rotates away from the sliding component (3), the resistance end C moves closer to the sliding component (3) to open the limiting structure; When the power end C rotates close to the sliding component (3), the resistance end C moves away from the sliding component (3) to close the limiting structure.

6. The rear automotive seat of claim 2, wherein: The sliding component (3) includes a limiting bracket (313); The L-shaped lifting plate (22) also includes: When the first limiting protrusion (223) and the third limiting protrusion (225) formed on the resistance end A come into contact with the sliding component (3), the resistance end A does not rotate relative to the sliding component (3), and the first limiting protrusion (223) moves relative to the limiting bracket (313) for a stroke of S1. The second limiting protrusion (224) formed on the power end A moves relative to the limiting bracket (313) when the power end A rotates relative to the sliding component (3), and the moving stroke is S2, S2>S1; The third rotation limiting protrusion (225) forms a rotation surface relative to the sliding assembly (3) by the resistance end A and / or the power end A. The length direction of the third rotation limiting protrusion (225) is at an angle to the length direction of the rotation surface to limit the rotation relative to the sliding assembly (3).

7. The rear car seat of claim 3, wherein: The seat cushion assembly (2) also includes a seat cushion frame (21) hinged to one end of the backrest assembly (1); The backrest assembly (1) also includes: A backrest frame (11) is hinged to the seat cushion frame (21). The backrest frame (11) is L-shaped and can rotate relative to the sliding component (3). The driving member (13) is disposed at one end of the backrest frame (11) near the L-shaped lifting plate (22). The backrest frame (11) and the seat cushion frame (21) can rotate relative to each other to drive the driving member (13) to swing. A fastener (12) is provided at one end of the backrest frame (11) near the sliding assembly (3). The fastener (12) forms an openable and closable fastening structure. When the fastening structure is in the closed state, it can restrict the backrest frame (11) from rotating relative to the sliding assembly (3).

8. The rear car seat of claim 1, wherein: The sliding component (3) includes: The support slide rail (31) is connected to the car body. The length direction of the support slide rail (31) is parallel to the rotation surface. The rotation surface is the rotation surface formed by the backrest assembly (1) rotating relative to the seat cushion assembly (2). A movable slide rail (32) connected to the backrest assembly (1) and the seat cushion assembly (2), the movable slide rail (32) being movable relative to the support slide rail (31), the length direction of the movable slide rail (32) and the support slide rail (31) being consistent, the length direction being consistent with the moving direction; and A limiting member (33) is used to restrict the movement of the movable slide rail (32) relative to the supporting slide rail (31). The slide rail unlocking member (23) can change the position of the limiting member (33) by moving closer to or away from the limiting member (33), thereby controlling the limiting member (33) to realize or cancel the constraint relationship between the movable slide rail (32) and the supporting slide rail (31).

9. The rear automotive seat of claim 8, wherein: The limiting member (33) includes a limiting post (331) that can be automatically reset. The axis of the limiting post (331) is perpendicular to and intersects the length direction of the moving slide rail (32). A limiting plate (332) is provided at one end of the limiting post (331) near the supporting slide rail (31). The limiting plate (332) can penetrate the side of the supporting slide rail (31) and the moving slide rail (32). During the process of the limiting post (331) driving the limiting plate (332) to move up and down along the axis, the limiting plate (332) may simultaneously penetrate the side of the supporting slide rail (31) and the moving slide rail (32) to achieve relative fixation between the two, or the limiting plate (332) may only penetrate the side of the supporting slide rail (31) or the moving slide rail (32) to cancel the relative fixation between the two.

10. The rear automotive seat of claim 9, wherein: The interior of the support slide rail (31) forms a first cavity (311) along its own axis, and the sidewall of the support slide rail (31) forms a first groove (312); The movable slide rail (32) is disposed inside the first cavity (311), and the interior of the movable slide rail (32) forms a second cavity (321) along its own axis. The sidewall of the movable slide rail (32) forms a second groove (322). The limiting member (33) is disposed inside the second cavity (321). One end of the limiting post (331) is connected to the inside of the movable slide rail (32). The limiting post (331) can drive the limiting plate (332) away from or close to the top inner side of the movable slide rail (32). Thus, the limiting plate (332) only penetrates the second groove (322) or simultaneously penetrates the first groove (312) and the second groove (322).

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