Automatic clamping device of automobile cup stand

The utility model provides an automatic clamping device of an automobile cup stand, and belongs to the technical field of automobiles. The cup stand clamping device solves the problem of how to enablea cup stand to be clamped automatically and conveniently. The automobile cup stand comprises a body, wherein the body comprises a containing barrel and a mounting barrel, the automatic clamping device comprises a plurality of clamping jaws located in the containing barrel and arranged in the circumferential direction of the containing barrel, electric control driving structures arranged in the mounting barrel and sensors used for detecting the position of a water cup, the clamping jaws are hinged to the inner wall of the body, and the electric control driving structures correspond to the clamping jaws one to one and are electrically connected with the sensors; under the driving of the electric control driving structure, the upper ends of the clamping jaws can swing towards the center lineof the containing barrel,