Several Structural Types of Motorcycle Clutch

Several Structural Types of Motorcycle Clutch

Motorcycle clutches have the following structural types:

(1) Wet multi-plate friction clutch The clutch assembly is immersed in engine oil to work, and is divided into three parts: active, driven and separated. The power of the engine is driven by a sprocket-type gear to the drive cover. There are grooves on the periphery of the cover. The five signs are embedded with friction plates (active plates) of rubber cork friction materials. The bumps on the outer edges are placed in the grooves of the drive cover. It then rotates together as the active part of the clutch. The four steel driven plates are connected with the fixed basin of the driven plates through internal teeth to form the driven part.

(2) Automatic centrifugal clutch This structure is used on mopeds such as Yamaha CY80, Suzuki FR50, etc., according to the engine speed to automatically control the separation and engagement of the clutch. The clutch is composed of active, driven and disengaged engagement mechanisms. The active part is composed of clutch cover, thrust plate, clutch plate and so on.

(3) The structure of shoe-type automatic clutch is used in some mini-motorcycles. The active part is a fixed seat driven by the crankshaft. There are three shoe assembly on the seat, which are connected to the fixed seat by a pin. The spring will connect the shoe to the fixed seat. The block is pulled toward the center of the crankshaft to maintain a certain gap between the shoe plate of the shoe block assembly and the clutch disc of the driven part. When the rotation speed increases, the centrifugal force generated by the shoe block is greater than the pulling force of the spring, it will be thrown away. When the centrifugal force reaches a certain value, it will engage with the clutch disc, generating friction to drive the driven part to rotate and transmit power.