Patent ID: 8641223

Claim:
A flashlight screwing structure, applicable to a flashlight having a non-cylindrical gripping segment and a screwing unit for changing a battery, the flashlight screwing structure comprising: a thread disposed on an inner surface at a rear end of the flashlight; a connecting unit inserted into the rear end of the flashlight, corresponding in shape thereto, and having a hole centrally formed in the connecting unit; flanges extending from an outer rim of the connecting unit and being spaced apart, such that an outer cover capable of screwing and having an operating segment can be inserted into the connecting unit; and a thread segment extending inward from the outer cover to penetrate the hole at the center of the connecting unit so as to mesh with the internal thread at the rear end of the flashlight, wherein changing a battery of the non-cylindrical flashlight only entails rotating the outer cover to withdraw the outer cover, taking the connecting unit, changing the battery, restoring the connecting unit to a position thereof, and rotating the outer cover to fix the outer cover to the rear end of the flashlight.