A car seat emergency protection device for car frontal collision

Abstract

The invention provides a car seat emergency protection device for frontal collision of the car, which is connected with the head anti-collision beam on the car, and includes a base, a seat cushion, a backrest, a linkage rod, a rotating shaft, an adjustment gear, an adjustment rod, locking teeth, and a spring. , rotating gears and racks, the seat cushion is fixedly arranged on the base, the adjustment gear is hinged on the seat cushion through a rotating shaft, the backrest is fixedly connected with the adjustment gear through a rotating arm, and the middle part of the adjustment rod is hinged on the base. When encountering a frontal impact, the impact will cause the anti-collision beam of the front of the car to sag inward, and the anti-collision beam will move straight inward through the linkage rod, and then the rack drives the rotating gear to rotate, so that the backrest can be turned backward to a flat state, At this moment, the human body lies down following the backrest under the restraint of inertia and safety belt. At this moment, even if the steering wheel and instrument panel invade the cab, it will not cause fatal damage to the vital parts of the driver's upper body and form an effective protection for the human body.

Description

technical field [0001] The invention relates to the technical field of automobile safety, in particular to an emergency protection device for automobile seats in frontal collision of automobiles. Background technique [0002] Currently, the only protective devices on the seats on the market are seat belts and side airbags, and most low-end models only have seat belts. Such a vehicle seat is known, for example, from DE 196 14 314 A1, which has an airbag arrangement for protecting the head and a further airbag arrangement for protecting the chest area of ​​the seat occupant. The two airbag arrangements are formed on the head frame and thus carry out their adjusting movements together when adjusting the head frame. [0003] However, when encountering a serious frontal collision accident, the steering wheel and instrument panel at the front of the car will invade the driver's cabin, forming a squeeze on the upper body of the driver and co-pilot passenger, causing serious injury...

AI Technical Summary

Problems solved by technology

[0003] However, when encountering a serious frontal collision accident, the steering wheel and instrument panel at the front of the car will invade the driver's cabin, forming a squeeze on the upper body of the driver and co-pilot passenger, causing serious injury consequences, and the airbag cannot form a continuous airbag on the driver's upper body. sexual protection

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