Driving mechanism with compound massage actions

A driving mechanism with compound massage actions, comprising a bracket, wherein a first massage portion, a second massage portion, and a third massage portion are slidably mounted on the bracket;

• the first massage portion is provided with a first massage chamber, the second massage portion and the third massage portion enclose to form a second massage chamber, and the first massage chamber and the second massage chamber are coaxially arranged;
• and
• the bracket is provided with a power mechanism inside, wherein the first massage portion is eccentrically and rotatably connected to the power mechanism, the power mechanism comprises a connecting rod, one end of the connecting rod is connected to a first connecting rod assembly, and the other end of the connecting rod is connected to a second connecting rod assembly;
• wherein the first connecting rod assembly is rotatably connected to the second massage portion, the second connecting rod assembly is rotatably connected to the third massage portion, and the connection between the connecting rod and the second connecting rod assembly is provided with a matching angle adjustment structure;
• wherein when the connecting rod rotates counterclockwise, the second massage portion and the third massage portion slide back and forth synchronously, and when the connecting rod rotates clockwise, the second massage portion and the third massage portion slide back and forth asynchronously;
• wherein:
• the matching angle adjustment structure comprises a first limiting portion provided at the end portion of the connecting rod and a first matching piece provided on the second connecting rod assembly, the first limiting portion has a first positioning surface and a second positioning surface arranged at a 90-degree angle to each other, and the first matching piece has a first matching surface and a second matching surface arranged at a 270-degree angle to each other:
• wherein when the connecting rod rotates counterclockwise, the first positioning surface fits the first matching surface;
• and when the connecting rod rotates clockwise, the second positioning surface fits the second matching surface;
• wherein:
• the first connecting rod assembly comprises a first pull rod rotatably connected to the second massage portion and a first rotating block rotatably connected to the end portion of the first pull rod, and the first rotating block is fixedly connected to the connecting rod.