Importance

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Abstract

A motor includes a motor body and a motor shaft with a first end connected to an inside of the motor body and a second end protruding out of the motor body, wherein a first cross section of the motor shaft perpendicular to its axial direction is non-circular, whose shape and size are matched with the shape and size of a second cross section of an assembly hole for shaft in an operating handle perpendicular to a depth direction thereof, and the assembly hole for shaft allows the motor shaft to extend into a transmission gear box of the operating handle for assembly, the motor body is provided with a connection structure for handle, and the connection structure for handle is configured to fit with a connection structure for motor at the operating handle, to realize a detachable assembly of the motor on the operating handle.

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First Claim