Vehicle safety headrest
A technology for automobile safety and safety headrest, which is applied in special positions of vehicles, vehicle seats, vehicle parts, etc., can solve the problems of long operation path, insufficient response speed and reliability, and complex structure of four-bar linkage mechanism. The effect of reducing head and neck fatigue
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[0031] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0032] Such as figure 1 As shown, the automobile headrest safety device of the present invention includes a height adjustment mechanism, a rotation mechanism fixed on the height adjustment mechanism, and a frame type safety mechanism arranged on the rotation mechanism.
[0033] Wherein, the rotating mechanism includes a rotatable gear shaft 5 and left and right fixing seats 10a, 10b supporting the gear shaft 5 . Internal gear 11 is arranged in the left fixed seat 10a (as Figure 1b Shown), the right holder 10b has a shaft hole, and the right end of the gear shaft 5 is inserted in the shaft hole. The left end of the gear shaft 5 is provided with a spacer 12, and the position of the gear shaft 5 near the position of the spacer 12 is provided with a gear 9, as Figure 1b As shown, when the gear 9 meshes with the internal gear 11, it is in figur...
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