Wrist training apparatus

摘要

A wrist training apparatus includes a housing, a rotation component disposed in the housing, a signal emission assembly and a counter. The rotation component includes a shaft and an annular wrapper wrapping the shaft and including an outer and inner surfaces and receptacle hole extending from the outer to the inner surfaces. A hole wall of the receptacle hole includes a stopper part. The signal emission assembly is disposed in the receptacle hole and includes a holding cover disposed in the receptacle hole and including a first holding structure in the receptacle hole and a second holding structure protruding from the inner surface and a signal emission device. The first and second holding structures are leaned against the stopper part and inner surface respectively. The signal emission device is disposed in the holding cover. The counter is disposed in the housing and senses signals from the signal emission device.

主权项

1. A wrist training apparatus, comprising:
a housing; a rotation component disposed in the housing and comprising:
a shaft; andan annular wrapper configured to wrap the shaft and comprising an outer surface, an inner surface and a receptacle hole extending from the outer surface to the inner surface, a stopper part being disposed on a hole wall of the receptacle hole; a signal emission assembly disposed in the receptacle hole and comprising:
a holding cover disposed in the receptacle hole, the holding cover comprising a first holding structure disposed in the receptacle hole and a second holding structure protruding from the inner surface, the first holding structure being leaned against the stopper part, and the second holding structure being leaned against the inner surface; anda signal emission device disposed in the holding cover; and a counter disposed in the housing and configured to sense a signal provided from the signal emission device.