Deceleration pipe for automobile industry standard collision

The utility model discloses a speed reducing pipe for standard collision in the automobile industry, which comprises a clamping block, a limiting plate, a containing groove and a polyurethane pipe, the containing groove is formed in the surface of one side of the clamping block, the polyurethane pipe is inserted into the containing groove of the clamping block, and a first limiting block and a second limiting block are arranged on the surface of one side of the clamping block. A first threaded hole and a second threaded hole are formed in the first limiting block and the second limiting blockrespectively, every two adjacent clamping blocks are tightened and fixed through the first threaded holes and the second threaded holes in the first limiting block and the second limiting block and bolts, and a clamping groove is formed in the surface of one side of the limiting plate. 45-degree chamfers are formed in the two sides of each limiting plate correspondingly, and the limiting plates are installed on the first