Power supply

The utility model discloses a power supply, the device comprises a device body, the board is placed to this internal being provided with of device, and has placed power supply on placing the board, and one side welding of power supply has the control lever, and the one end of control lever installs the control handle, and the control handle lies in the outside of device body, the first spout of vertical direction is seted up on the body to the device, and the control lever part is located first spout, the second spout of vertical direction is all seted up to the both sides of device body, andbe provided with the pull rod in the second spout, place at the device power supply originally internal, this internal control lever that is provided with of device is connected with power supply, both sides at the device body still are provided with movable limited block, when placing at ordinary times, usable handle supports movable limited block go out from installation cover inboard, an usablelocking device locks extr