Mechanical coded door lock

Abstract

The invention provides a mechanical coded door lock, wherein a handle group, an unlocking group, a code lock group and a code searching group are arranged on a shell group; under the coordination of the unlocking group and the code lock group, the locking function of the coded door lock is released by shifting the unlocking group; in addition, in the code lock group, a bushing is pushed to separate from corresponding character wheel by pressing a press key, thereby rotating the character wheel and resetting the password; the code searching group is placed against the bushing of the code lock group and protrudes in the code searching tank of the corresponding bushing by means of a locating pin of the code searching group, in this way, the primary unlocking password can be obtained. The mechanical coded door lock not only can prevent the observant person from peeping and remembering the unlocking password of the coded lock, but also can allow the user to pass in and out repeatedly from the doorway provided with such door lock, thereby achieving the convenience in use.

Description

technical field [0001] The present invention relates to a mechanical combination door lock, in particular to a door lock that is installed on the door panel, and has the functions of finding the original unlocking number and resetting the new unlocking number, and can be unlocked after the door panel is opened. Functional mechanical combination door lock. Background technique [0002] Combination lock is a common simple lock, the user can change the state of the lock core as unlocked or locked by turning each word wheel on the combination lock, so as to omit the necessity of carrying the key, thereby increasing the convenience of use sex. Therefore, when the coded lock is applied on the door panel, it is possible to control the rotation of a handle that can drive the latch by adjusting the coded lock to be in the unlocked or locked state: when the coded lock is unlocked, turn the handle Then the lock bolt can be driven to open the door panel; when the combination lock is l...

AI Technical Summary

Problems solved by technology

[0003] However, ordinary people have limited memory, or easily forget the unlocking number in a hurry, and the combination lock with the forgotten unlocking number cannot be opened. In order to release the locked state, the only way is to destroy the combination lock and the door panel, so For most users, the combination lock of prior art has the inconvenience in its use;

[0004] Furthermore, when the combination lock is adjusted to the unlocked state and the door panel is opened, the user should dial the chaotic wheel first, and then enter the other side of the door panel, so as to prevent interested people from peeping and writing down the unlocking number of the combination lock; After the random character wheel, the combination lock will appear locked and lock the position of the handle, so that the door panel will be in a tightly closed state again, so for users who have to repeatedly enter and exit the entrance and exit provided with the door panel, it is also convenient. The inconvenience of its use

[0005] As mentioned above, the cipher type door lock of prior art has its place to be further improved.

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