Clitoral sucker

A clitoral sucker, comprising:

• a housing, comprising a body and a sucking portion disposed on the body, wherein the body is provided with an inner cavity, and the sucking portion is provided with a sucking opening connected to the inner cavity;
• wherein
• the body comprises at least one button that is configured to control an operating state of the clitoral sucker;
• and
• a negative pressure mechanism, comprising a piston assembly and a guide member, wherein the guide member is disposed in the inner cavity, and the piston assembly is disposed in the inner cavity, partially extends into the guide member, and is configured to move back and forth along a direction of the sucking opening, to generate a negative pressure in the sucking opening;
• wherein the sucking opening extends along a sucking direction to form an extension portion, and the extension portion is attached to the guide member;
• wherein the piston assembly comprises a driving member and a movable member;
• wherein the driving member comprises a motor and an eccentric shaft coupled with the motor;
• wherein the movable member comprises a pushing portion and a connection portion that are disposed in sequence along the sucking direction, and an end of the connection portion is disposed on the driving member;
• the pushing portion has two ends with a first end disposed on the connection portion and a second end extending along a direction close to the sucking opening and abutting against an inner wall of the guide member;
• and
• the sucking opening is a flexible layer, and when the piston assembly moves, the second end of the pushing portion pushes the extension portion, to change a size of the sucking opening.