Expansion joint and shooting equipment

The utility model relates to an expansion joint and shooting equipment. The expansion joint comprises a first base body and a locking mechanism, and the first base body is provided with an expansion interface and an insertion part. The locking mechanism is arranged on the first base body, the locking mechanism is provided with an operating part and a locking part, the operating part can be operated to link the locking part to move in different directions, so that the locking part can be switched between a locking position and an unlocking position: when the locking part is located at the locking position, the locking part extends out of the inserting part; and when the locking part is located at the unlocking position, the locking part retracts into the inserting part. The expansion joint is simple and convenient to mount and easy to dismount, and can be quickly mounted and dismounted. 本实用新型涉及一种拓展接头和拍摄设备。所述拓展接头包括第一基体和锁紧机构，所述第一基体具有扩展接口和插接部。所述锁紧机构设于所述第一基体，所述锁紧机构具有操作部和锁接部，所述操作部可供操作而联动所述锁接部在不同方向上运动，进而所述锁接部可在锁紧位置和