Patent ID: 8528450

Claim:
An auxiliary tool for assembling and disassembling a spark plug, used to assemble or disassemble the spark plug of a vehicle engine, wherein the auxiliary tool comprises: a spark plug sleeve used to cover the spark plug and rotate the spark plug; a flexible extender having flexibility, wherein the flexible extender has an output end fixed on a top surface of the spark plug sleeve; and a rotating end portion disposed at the other end of the flexible extender opposite to the output end; wherein an inner top portion of the spark plug sleeve further comprises an elastic clamping block, the outer peripheral surface of the elastic clamping block is provided with a groove, and an inner peripheral surface of the spark plug sleeve is provided with a flange corresponding to the groove; an outer peripheral surface of the spark plug sleeve is provided with at least one guiding portion, and the guiding portion is located between an open end of the spark plug sleeve and the flange of the inner peripheral surface of the spark plug sleeve; the rotating end portion transfer a rotation force from the flexible extender to the spark plug sleeve, so as to indirectly turn the spark plug.