| 摘要 |
A sucker device includes a body, a sucking disk, and an operating mechanism; the body has a base, and a sleeve part joined on the base; the sleeve part has a hollow portion communicating with a bottom room of the base, and two slots, and is joined to a fixing support; the sucking disk is positioned in the bottom room of the base; an axial rod is joined on a middle of the disk, and held in the hollow portion of the sleeve part; the operating mechanism includes a knob, and a pressing rod, which is passed through the axial rod, and sticks out through the slots; the knob is positioned around and threadedly engaged with the sleeve part; thus, the middle of the disk can be moved farther away from a surface of an object for the disk to stick to the object by means of turning the knob.
|
