Anti-escape lock for animal house

The utility model discloses an animal house anti-escape lock, which relates to the field of animal house door locks, and comprises a front net outer frame, an outer frame body, an inner frame body, a fixed connecting block and a locker, the inside of the front net outer frame is rotatably connected with a front net inner frame, and the locker is arranged at the joint of the front net outer frame and the front net inner frame. A locking device is arranged in the outer frame body, a key rod is inserted into the locking device, an outer frame inner-layer window body is arranged in the outer frame body, the outer wall of the outer frame body is fixedly connected with a rotating hinge, and an inner frame inner-layer window body is arranged in the inner frame body. Due to the fact that the upper plane of the large head of the lock pin is flush with the upper plane of the lock lug and is lower than the plane of the lock lug, only one small round hole is reserved in the bottom of the lock seat, the lock pin can be po