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A kind of car seat collision buffer device

A buffer device and car seat technology, which is applied to vehicle seats, special positions of the vehicle, and vehicle components, etc., can solve the problems of occupant slipping out, seatback tilting structure, easy energy absorption damage, damage, etc., to protect the life of occupants safe effect

Active Publication Date: 2016-04-13
广州安道拓汽车座椅有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantage is that when the seat is in a high-speed rear-end collision, the reclining structure of the seat is easy to absorb energy and damage it, causing the seat back to overturn backward, and the occupant is easy to slide out of the seat back, causing other damage

Method used

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  • A kind of car seat collision buffer device
  • A kind of car seat collision buffer device
  • A kind of car seat collision buffer device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The car seat collision cushioning method of the present invention comprises the following steps:

[0029] A: Seat energy release step. The car seat is fixed on the slide rail through the fixing device. When the car is hit by a large impact, the seat is instantly detached from the fixing device. The impact force produced when the car collides is not only very large, but also very complicated. If the test speed is 48 km / h, the average impact force can be calculated according to the momentum theorem formula F=m(V'-V) / t. If the average impact force is 400 kg, then the maximum impact force may exceed 1 ton. If the standard for the seat to break away from the fixing device instantly is a 48 km / h collision, then it is only necessary to set the mechanical strength of the fixing device at about 400 kg, and the impact force of normal acceleration or sudden braking is far less than 400 kg, so Will not cause the seat to dislodge from its anchorage.

[0030] B: The step of free sl...

Embodiment 2

[0039] Such as Figure 4 As shown, the device of the present invention can be arranged symmetrically on the basis of the device described in Embodiment 1, and the piston and safety plug are arranged in the middle of the casing. Through the symmetrical arrangement, rear-end or frontal collision accidents can be applied at the same time.

[0040] The working principle of the present invention will be illustrated through two simple experiments below, so that people can more intuitively understand the core technology of the present invention.

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Abstract

The invention discloses a method and device for buffering collision of an automobile seat. The device is simple in structure, reliable in performance, more ideal in energy absorbing or energy releasing effect and suitable for the rear-end collision accident or the front-end collision accident at the same time. According to the technical scheme, the device comprises a casing pipe, one end of the casing pipe is provided with a sliding groove, the other end of the casing pipe is a closed end, a piston is arranged inside the casing pipe, the piston is arranged on the casing pipe through a fixing device, a buffering device is arranged at the opposite end, corresponding to the sliding groove, of the casing pipe, the casing pipe is connected with an automobile base, and the piston is connected with the automobile seat. Compared with a traditional energy absorbing or energy releasing device, the device achieved through the method has the advantages of being simple in structure, reliable in performance, more ideal in energy absorbing or energy releasing effect and the like. By means of the symmetrical arrangement, the device can be suitable for the rear-end collision accident or the front-end collision accident at the same time. The device can be used repeatedly, and when used again, only a new safety catch needs to be replaced.

Description

technical field [0001] The invention relates to an automobile seat collision buffering method and device. Background technique [0002] In car accidents, car seats are components that play an important role in passive protection. First of all, in an accident, the car seat must ensure that the occupants are in their own living space, prevent other vehicle carriers (such as other occupants, cargo) from entering this space, and keep the occupants in a certain posture during the accident. So that the restraint system can give full play to its protective performance. In addition, the car seat should also have the performance of absorbing the energy of the occupant colliding with it when the occupant collides with it, so as to minimize the damage to the occupant. In a collision, the seat is the most important safety equipment for occupant protection, because it is the only equipment that can support the occupant's body in a tail collision, and the design of the seat is closely r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60N2/427
Inventor 吴双双
Owner 广州安道拓汽车座椅有限公司