Isolator door lock

The utility model discloses an isolator door lock which comprises a lock shell, an isolator and a door lock body. The handle is arranged on the lock base; a cavity is formed in the lock shell, an operation hole communicated with the cavity is formed in the front wall of the lock shell, and a locking hole communicated with the cavity is formed in the side wall of the lock shell. One end of the spring is fixed on the inner wall of the cavity, and the other end is fixed with the handle into a whole; the handle is exposed in the operation hole; one end of the spring bolt is fixed with the handle, and the other end of the spring bolt is hidden in the lock shell when the spring is compressed, and extends out of the lock shell through the locking hole when the spring extends; and the lock seat is provided with a lock channel corresponding to the locking hole. According to the scheme, the opening and closing of the glass door of the isolator in the medicine production process can be monitored. The spring bolt and the