The triangle lock is mainly used for unlocking and special operations in emergencies. It is specially designed for emergency rescue and maintenance of elevators. At critical moments, the elevator triangle lock can quickly open the floor door to ensure the safety of passengers; the elevator triangle lock is made of high-quality materials and has good wear resistance and corrosion resistance. In terms of maintenance, it only needs regular cleaning and maintenance to keep it in good condition; it can be used in elevator maintenance, property management fire departments, etc.