Lock catch

The utility model provides a lock catch, including pin, pin includes needle cap and needle bar, the needle bar tip is the needle point, detain the seat, detain the inside holding chamber that is provided with of seat, the needle bar can insert the holding intracavity, kayser mechanism, kayser mechanism can block the needle bar makes needle bar card in holding intracavity, release mechanism, unlocking structure run through and detain the seat, make unlocking structure one end arrange in detain the seat outside, the resoluble purl pole of unlocking structure makes the needle bar extract the holding chamber. Lock catch includes kayser mechanism and release mechanism, kayser mechanism make things convenient for pin and buckle the seat be connected, release mechanism makes things convenient for pin and detains the seat dismantlement. Simple structure, convenient operation. 本实用新型提供种锁扣，包括扣针，所述扣针包括针帽和针杆，所述针杆端部为针尖；扣座，所述扣座内部设置有容置腔，所述针杆可插入所述容置腔内；卡锁机构，所述卡锁机构可卡住所述针杆，使针杆卡于容置腔内；解锁机构，解锁结构贯穿扣座，使解锁结构端置于扣座外，所述解锁结构可解锁针杆，使针杆拔出所述容