Short -track speeding skating is with joint protection device who has anti collision function

The utility model discloses a short -track speeding skating is with joint protection device who has anti collision function, including main part, bandage, four close buckle, elastic plate, connectingrod and toothed disc, be connected with with the sheet on one side body wall of main part, and one side of main part is provided with the becket, the bandage is installed on the body wall of one sideof main part, and the centre of main part is provided with the knee hole, the anticollision piece is installed to the one end in knee hole, and an anticollision piece in -connection has a spring, fourclose the knot sets up the one side in the knee hole, elastic plate connects the centre at protection block. This short -track speeding skating is with joint protection device who has anti collisionfunction is provided with the anticollision piece of two arched protrusion form, and still is provided with the spring in the anticollision piece, and when telemechanical person fell down, the anticollision piece receives extern