Door locks and devices equipped with the same door locks

Abstract

The invention relates to a door lock, which has an open state and a closed state, and comprises a shell, a lock arm, a rocker and a guide pin, wherein an opening for allowing a door hook to go in or out of the shell is arranged in the shell, and the lock arm is arranged in the shell; the front part of the lock arm is provided with a lock groove, and a long hole is arranged between the two ends of the lock arm; a lock tongue is arranged at the upper part of the lock groove, and when the door lock is in the closed state, the lock tongue is inserted into a lock hole in the door hook, and a slope or radian is arranged above the lock tongue; the rocker is arranged in the shell and is provided with a fixed end and a movable end, and the fixed end is rotatably and fixedly arranged in the shell; and the movable end is arranged in the long hole in a sliding way, and the guide pin is arranged at the back part of the lock arm, and moves up, down, back and forth on the guide surface to allow the lock arm to move up, down, back and forth. The door lock can conveniently restore to the normal state in the abnormal closed state. The invention also relates to equipment with the door lock.

Description

technical field [0001] The present invention relates to a door lock, in particular to a door lock which needs to be opened and closed by the insertion and extraction of a door hook. technical background [0002] Electrical appliances, such as front-loading washing machines, microwave ovens, dishwashers, etc., generally have a front door. Taking the drum washing machine as an example, the clothes to be washed are put into the drum washing machine through the front door. The drum washing machine will be equipped with a front door lock, so that when the drum washing machine is running, even if someone operates the door opening device of the drum washing machine at this time or the drum washing machine is shaken, the door lock should also lock the front door of the drum washing machine safely, so that the drum washing machine The front door cannot be opened. Only after the drum washing machine stops running, the door lock releases the locking of the front door of the drum wash...

AI Technical Summary

Problems solved by technology

[0004] A door lock like this has the problem that when the door lock is in an abnormally closed state, it cannot be easily restored to a normal state

Because as mentioned earlier, when the door lock is in the closed state, the deadbolt interrupts the passage of the door hook leaving the door lock (that is, the passage of the door hook entering the door lock), so when the door is closed when the door lock is in an abnormal closed state , after the door hook enters the door lock opening, it will be blocked by the lock tongue, so that the front door cannot be closed, and the drum washing machine cannot be used normally.

If you want to restore the door lock to the normal state from the abnormally closed state, you need the help of professional maintenance personnel, which will bring great inconvenience. For home users, this problem is even more serious

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