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Automobile seat

A technology for car seats and backrests, applied in vehicle seats, vehicle parts, special positions of vehicles, etc., can solve the problems of long reaction time, high manufacturing cost, complicated device structure, etc., and achieves reduction of response delay, simplified structure, cost reduction effect

Active Publication Date: 2016-11-30
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although this device can play a buffering role on the neck of the human body, the structure of the device is too complicated, and the transmission process between the trigger mechanism and the telescopic mechanism is relatively complicated. Not only the manufacturing cost is relatively high, but also it cannot be guaranteed to work at the moment of collision. , the reaction time is longer

Method used

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  • Automobile seat
  • Automobile seat
  • Automobile seat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 , figure 2 and image 3 As shown, the car seat includes a backrest 1 and a headrest 2. The backrest 1 has a cavity 3 inside, and the upper end surface of the backrest 1 has an opening 4 communicating with the cavity 3. The car seat includes a backboard 5, a headrest Rod 6, sleeve pipe 7 and mandrel 8, the diameter of opening 4 is 3-5 times of the diameter of headrest rod 6. The opening 4 is designed to be larger than the headrest rod 6 to facilitate the front and rear swing of the headrest rod 6. The upper end of the headrest rod 6 is fixedly connected with the headrest 2, the lower end of the headrest rod 6 is inserted into the cavity 3 through the opening 4, the mandrel 8 is arranged along the width direction of the backrest 1 and the two ends of the mandrel 8 They are respectively fixed on both sides of the backrest 1, the sleeve 7 is sleeved on the mandrel 8, the lower end of the headrest rod 6 is fixed on the sleeve 7, the backboard 5 is locate...

Embodiment 2

[0033] Such as Figure 4 As shown, the general content of this embodiment is the same as that of Embodiment 1, the difference is that in this embodiment, as another solution, the positioning structure 9 includes a ratchet 95 fixed on the side of the mandrel 8, and the end surface of the sleeve 7 A ratchet 96 is fixedly connected, and the ratchet 96 is an elastic member, and the ratchet 96 and the ratchet 95 are engaged. The meshing of the ratchet 96 and the gear plays a role in positioning in the circumferential direction. When the force is too large, the elastic ratchet 96 becomes deformed and fails, so that the ratchet 96 and the ratchet 95 lose their positioning.

Embodiment 3

[0035] Such as Figure 5 As shown, the general content of this embodiment is the same as that of Embodiment 1, the difference is that in this embodiment, as another solution, the front surface of the backboard 5 is attached to the front surface of the backrest 1, and the front surface of the backrest 1 The surface has a through groove 13 , the through groove 13 is opposite to the back plate 5 , and the back plate 5 covers the through groove 13 . Open slot 13 directly on backrest 1 so that backboard 5 and backrest 1 form a combined structure. When a car crashes, the back of the occupant can collide with backboard 5 through slot 13, ensuring the normal activation of the protection mechanism.

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Abstract

The invention provides an automobile seat and belongs to the technical field of automobile seats. The technical problem that a neck protecting device of an existing seat is long in starting time is solved. The automobile seat comprises a backrest and a headrest. A cavity is disposed in the backrest, and the upper end face of the backrest is provided with an opening communicated with the cavity of the backrest. The automobile seat comprises a back plate, a headrest rod, a sleeve pipe and a mandrel. The upper end of the headrest rod is fixedly connected with the headrest, the lower end of the headrest rod penetrates the opening to be inserted in the cavity, the mandrel is arranged in the width direction of the backrest, the two ends of the mandrel are fixed to the two sides of the backrest respectively, the sleeve pipe sleeves the mandrel, the lower end of the headrest rod is fixed to the sleeve pipe, the back plate is located below the headrest rod, and the upper end of the back plate is fixedly connected with the sleeve pipe. A positioning structure enabling the sleeve pipe and the mandrel to be circumferentially locked is arranged between the sleeve pipe and the mandrel, and when circumferential force of the sleeve pipe and the mandrel is larger than a preset value, the locking by the positioning structure is removed. The automobile seat has the advantages of being short in starting time and low in production cost and the like.

Description

[0001] This application is a divisional application with the title of the invention as a car seat, the application number is 201310585272.8, and the filing date is November 20, 2013. technical field [0002] The invention belongs to the technical field of car seats and relates to a car seat. Background technique [0003] Car rear-end accidents account for 30%-40% of traffic accidents, and the casualties account for 60%. The neck is a place where a large number of nerves and blood vessels are concentrated. Even the rear collision of a vehicle at a low speed will cause whiplash. High speed will cause serious injury or even death. At present, whiplash injury caused by rear-end collision has become the most frequent injury to human body. The principle of whiplash injury: the front car is hit by the rear-end collision of the rear car, which produces a forward acceleration. The neck movement of the front car occupant mainly includes two processes. First, the whipping process make...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60N2/427B60N2/48
CPCB60N2/427
Inventor 郭庆祥其力格尔曹小珍周大永刘卫国何伟吴成明冯擎峰
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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