Switch assembly of bone drill power handle, bone drill power handle and bone drill power device

Abstract

The utility model provides a switch subassembly, power handle and bone drill power device of bone drill power handle, switch subassembly is located in power handle, power handle inside is provided with drive motor, and power handle is used to output energy through drive motor, switch subassembly includes control module, gear shifting unit and button unit, control module is located in power handle inside, and with drive motor electric connection, gear shifting unit has the gear of switchable, gear shifting unit is electrically connected with control module, is used for according to the gear control drive motor positive rotation or reversal according to the gear switched by gear shifting unit, button unit is electrically connected with control module, is used for according to the gear switched by gear shifting unit control drive motor output energy. Compared with prior art, the button unit in the scheme can drive the positive rotation or reversal of drill bit, and the operation is simple; in addition, the scheme increases the switching of the positive rotation and reversal of the drive motor of the switching unit, which also ensures the regulation and control of the required state of the bone drill power device.

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