Automobile collision bumper
A technology for buffers and automobiles, applied in the direction of bumpers, etc., can solve the problems of pressure increase, transformation, and bulky volume of the spray chamber, and achieve the effects of reducing the impact force, improving the service life, and prolonging the collision time.
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[0019] The present invention will be further described in detail below with reference to the drawings and specific embodiments.
[0020] figure 1 , figure 2 The automobile collision buffer shown includes a hydraulic buffer mechanism fixed at the front end and / or the rear end of the automobile chassis, characterized in that the hydraulic buffer mechanism includes at least three crushing buffer units 1 connected in series end to end; The crushing buffer unit 1 includes a sleeve 2, and the sleeve 2 is slidably sealed with a crushing rod 4 with a tip 3; on the inner wall of the sleeve 1, a baffle 5 is sealed and fixed on the outside of the tip 3 of the crushing rod 4; In 2, between the baffle 5 and the crushing rod 4 is a liquid chamber 6 filled with liquid; the sleeve 2 outside the liquid chamber 6 is provided with a drain hole 7; in at least three crushing buffer units 1, located in front of the front end The front end of the front crushing rod 9 of the crushing buffer unit 8 is ...
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