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Zero-gravity seat frame adjusting system

An adjustment system and zero-gravity technology, applied to vehicle seats, movable seats, special positions of vehicles, etc., can solve problems such as rising costs, affecting ride comfort, and complex control systems, so as to improve ride comfort and improve adjustment Flexibility, simple and compact structure

Pending Publication Date: 2021-09-07
CHONGQING YANFENG ADIENT AUTOMOTIVE COMPONENTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This small range of motion can affect ride comfort, and increasing the number of motors and rack-and-pinion mechanisms to improve stability would lead to higher costs and more complex control systems

Method used

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  • Zero-gravity seat frame adjusting system
  • Zero-gravity seat frame adjusting system
  • Zero-gravity seat frame adjusting system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, a zero-gravity seat frame adjustment system includes a base, and a seat frame 100 is arranged above the base. The seat frame 100 includes two seat frame side plates 110 arranged opposite to each other on the left and right. A seat frame front transverse tube 120 is connected between the front ends of the two seat frame side plates 110, and a seat frame front transverse pipe 120 is connected between the two rear ends of the seat frame side plates 110. The rear cross tube 130 of the seat frame is connected. Both ends of the seat frame rear cross tube 130 are rotatably mounted on the corresponding seat frame side plates 110 to allow the seat frame 100 to rotate around the seat frame rear cross tube 130 to achieve inclination adjustment.

[0027] The base includes two sets of slide rail assemblies, the two sets of slide rail assemblies are arranged parallel to the frame side plate 110, the two sets of slide rail assemblies are facing left and rig...

Embodiment 2

[0046] This embodiment is another zero-gravity seat frame adjustment system, such as Figure 7-9 , the seat frame adjustment system of this embodiment is the same as the seat frame 100 and the high-profile structure in Embodiment 1, and the base structure is similar, but the upper edge of the vertical plate 210 in this embodiment does not need to be provided with flanging, and the front part of the seat frame 100 and the base The set seat frame inclination angle adjustment structure is different from that in the first embodiment.

[0047] Such as Figure 7 , in this embodiment, the lower end of the rotation driving link 300 is directly hinged to the vertical plate 220 .

[0048] combine Figure 7-10 It can be seen that the rotation driving mechanism includes a recliner 500 and a reduction transmission mechanism. The fixed part of the recliner 500 is fixedly connected to the base, and the rotating part is connected to the rotating drive connecting rod 300 through a reduction...

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Abstract

The invention discloses a zero-gravity seat frame adjusting system which comprises a base, a seat frame is arranged above the base, the two sides of the rear portion of the seat frame are connected with the base through height adjusting connecting rods respectively, any height adjusting connecting rod is connected with a height adjusting assembly, and two connecting rod mechanisms are arranged between the left side and the right side of the front portion of the seat frame and the base respectively. The two connecting rod mechanisms are connected with rotation driving mechanisms respectively, the rotation driving mechanisms are connected with any connecting rod in the corresponding two connecting rod mechanisms, the two rotation driving mechanisms are right opposite in the left-right direction, a synchronous rotation rod is connected between the two rotation driving mechanisms, and the synchronous rotation rod is connected with an inclination angle adjusting driving device. The zero-gravity seat frame adjusting system has the beneficial effects that part of structural foundations for dip angle adjustment and height adjustment of the seat frame can be shared, adjustment flexibility is improved, meanwhile, rotation driving mechanisms controlled by the same driving device are arranged on the two sides of the front portion of the seat frame respectively, the smoothness of seat frame angle adjustment and the stability of the two sides of the seat frame in the locked state are improved, and the comfort is improved.

Description

technical field [0001] The invention belongs to the technical field of automobile seats and relates to a seat frame structure, in particular to a zero-gravity seat frame adjustment system. Background technique [0002] Seats with functions such as backrest angle adjustment, leg rest extension length and angle adjustment, seat frame height and angle adjustment, etc., due to their rich adjustment capabilities, can meet the purpose of the occupants to adjust the seat posture according to their own feelings, reduce joint tension, Greatly improving ride comfort, this type of seat is called a zero-gravity seat. The height and angle of the seat frame have a great influence on the comfort of the occupants. In the prior art, height adjustment and angle adjustment are generally based on a four-bar linkage. The height adjustment is based on a parallelogram four-bar linkage mechanism, that is, the front and rear parts of the seat frame and the base are respectively connected by connec...

Claims

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Application Information

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IPC IPC(8): B60N2/18B60N2/22
CPCB60N2/181B60N2/2213
Inventor 张明任四刚辛艺杨双华
Owner CHONGQING YANFENG ADIENT AUTOMOTIVE COMPONENTS CO LTD