Lock

A lock, including:

• a sleeve member, defining an axial direction and for being fixed on an object;
• a main body, rotatably disposed in the sleeve member, having a first connecting portion, one of an outer wall of the main body and an inner wall of the sleeve member having a slide slot which extends along the axial direction, the other of the outer wall of the main body and the inner wall of the sleeve member having a protrusive block, when the protrusive block corresponds to the slide slot in the axial direction, the main body is movable relative to the sleeve member along the axial direction to be detached from the sleeve member;
• an engaging member, rotatably disposed in the sleeve member, one end of the engaging member facing the main body having a second connecting portion, one of the engaging member and the main body having a hook, the other of the engaging member and the main body having a slot, when the first and second connecting portions are assembled to each other, the engaging member and the main body are co-rotatable, and the hook is engaged with the slot;
• wherein one end of the slide slot in the axial direction has a curved groove which communicates with the slide slot, the curved groove extends circumferentially, and when the main body is inserted into the sleeve member and the protrusive block slides along the slide slot to the curved groove, the protrusive block is slidable along the curved groove, and the main body is rotatable relative to the sleeve member;
• wherein the hook is releasable from the slot such that the engaging member is detachable from the main body;
• wherein the engaging member is rotatable with the main body relative to the sleeve member and is detachable from the sleeve member;
• wherein when the protrusive block corresponds to the slide slot in the axial direction, the engaging member is withdrawable together with the main body from the sleeve member in a direction from the engaging member toward the main body.