A lock for an ultralow temperature refrigerator

摘要

The present invention discloses a lock for an ultralow temperature refrigerator, belonging to the field of a refrigeration device. The lock for an ultralow temperature refrigerator according to the present invention is manipulated easily and conveniently. It comprises a lock body (1) with a handle and a lock head (2), characterized in that the lock body (1) has, on one side, a shaft hole (7) which along with a rotating shaft of a lock seat attached to the refrigerator door forms a rotating mechanism; the lock body (1) has on the other side a lock opening (8) having the surface of a hump (9) and being engaged with a lock tab (16) of the lock head (2) to form a locking-in mechanism; and an empty cavity containing a lock core is provided above the shaft hole (7) of the lock body (1) with respect to the diagonal direction and accommodates therein a lock-body locking and limiting mechanism formed by a lock stop flake (6) fixed on the lock seat and the empty cavity containing the lock core. The present invention is advantageous at the simple structure, facilitated locking and unlocking, and super effects in use and applicable to the door of a refrigerator, an ultralow temperature refrigerator, and a freezer.