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Active Safety Headrest Device for Car Seats

An active safety headrest, car seat technology, applied in vehicle seats, vehicle safety arrangements, pedestrian/occupant safety arrangements, etc., can solve problems such as affecting the driver's observation of rear obstacles and affecting the vision of rear occupants.

Inactive Publication Date: 2011-12-21
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, increasing the size of the traditional headrest may bring a lot of inconvenience, for example, it affects the view of the rear passengers; in the process of reversing, it affects the driver's observation of the rear obstacles, etc.

Method used

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  • Active Safety Headrest Device for Car Seats
  • Active Safety Headrest Device for Car Seats
  • Active Safety Headrest Device for Car Seats

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] The present invention is described in detail below in conjunction with accompanying drawing:

[0044] The active safety head restraint device for a car seat according to the present invention aims at making the occupant's head contact the head restraint in the shortest possible time when the car collides rear-end, reducing the difference between the movement of the occupant's neck and the movement of the occupant's head. difference, effectively reducing the risk of neck injury; at the same time, considering the difference in height of each occupant, the headrest main panel 4 and the headrest sub-panel 5 are used. After triggering, the headrest sub-panel 5 bounces to the headrest The pillow main panel 4 is in the same plane, which expands the contact area of ​​the occupant's head and neck, and provides better protection for a wider crowd. According to the needs of different vehicle types, the technical solutions described in the present invention are further divided into...

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PUM

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Abstract

The invention discloses an active safety head restraint device for an automobile seat, which comprises a head restraint assembly, a linkage assembly and a trigger assembly. The headrest assembly includes the main panel of the headrest, the sub-panel of the headrest, the No. 1 bracket connecting rod, the No. 2 bracket connecting rod, the No. 1 connecting rod sleeve, the No. 2 connecting rod sleeve, the No. 1 fixing groove, and the No. 2 fixing groove , Sleeve connecting plate, No. 2 swing arm, butterfly spring self-locking hinge and No. 1 swing arm. The main panel of the headrest is connected with the sub-panel of the headrest through a butterfly spring self-locking hinge. The upper end of the connecting rod of the No. In the No. connecting rod sleeve, No. 1 fixing groove and No. 2 fixing groove are fixed in the middle. The No. 1 swing arm is fitted with the hook end of the No. 2 swing arm and the No. 1 fixing groove is fitted with the swing arm buckle on the No. 2 fixing groove. The other end is fixedly connected with the sub-panel of the headrest, and the 1 The No. connecting rod sleeve and the No. 2 connecting rod sleeve are vertically installed on the seat back and are slidingly connected.

Description

technical field [0001] The invention relates to a head restraint device on an automobile seat, more specifically, the invention relates to an active safety head restraint device for an automobile front seat. Background technique [0002] The car seat headrest is a device arranged in order to improve the comfort of the occupant and ensure the safety of the occupant when riding. In addition to adding comfort to the occupants, the main function of the car seat headrest is to provide the occupants with a head support and a rearward limit protection function. [0003] When a car collides, especially a rear-end collision, the occupant's upper body moves quickly to the seat back, and the occupant's head quickly moves to the headrest thereupon. At this time, there is a difference between the amount of movement of the occupant's upper body and the amount of movement of the occupant's head, which easily causes damage to the neck. [0004] At present, the active head restraint is the...

Claims

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Application Information

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IPC IPC(8): B60N2/48B60N2/427B60R21/055
Inventor 张君媛金景旭李幸福张昕黄炫陈光安月田迪斯
Owner JILIN UNIV
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