Patent ID: 7455269

Claim:
A suction device, comprising: a sucker holder defining a cavity at a lower side thereof, and being provided at an upper side thereof with a limiting seat internally defining an opening communicating with the cavity, and an annular stopper extended near and around the limiting seat to form a fitting zone between the limiting seat and the annular stopper; and the annular stopper having a gap formed at one side thereof; a control lever including a sleeve portion movably fitted in the fitting zone on the sucker holder, and a lever portion extended from one side of the sleeve portion and located within the gap of the annular stopper; and the sleeve portion being provided on an inner wall surface with a guide section; and a sucker unit including a suction cup located in the cavity at the lower side of the sucker holder, a link connected to a back of the suction cup to upward extend through the opening defined in the limiting seat, an elastic element mounted between the suction cup and the cavity of the sucker holder, and a lid mounted in the sleeve portion and coupled with the link; and the lid being externally provided on a sidewall with a guide slide corresponding to the guide section in the sleeve portion.