Unlocking and code changing structure of mechanical key password padlock

By designing a combination structure of limit ring, code change slot, anti-rotating arm and anti-rotating slot in the mechanical key password padlock, the problem of cumbersome password replacement operation in the existing technology is solved, and a more convenient and safe password replacement process is achieved.

CN119900432AActive Publication Date: 2025-04-29WENZHOU XINMIMA COMBINATION LOCK CO LTD
6 Cites 1 Cited by

Patent Information

Application Number
CN202510395773.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2025-04-29
Estimated Expiration
2045-03-31

AI Technical Summary

Technical Problem

The existing mechanical key password padlocks are cumbersome when changing passwords, and the user needs to continuously apply force to prevent interruption or errors in the code change operation, resulting in inconvenience in use.

Method used

A mechanical structure including a limit ring and a code change slot, an anti-rotation arm and an anti-rotation groove is designed so that the key can rotate and change the password only when the limit ring enters the code change slot and the anti-rotation arm leaves the anti-rotation groove, ensuring the safety and accuracy of the operation.

Benefits of technology

The operation process of password replacement is simplified, avoiding the user's need to continuously apply force to prevent operation interruption, improving operation convenience and security, and enhancing the overall performance and reliability of the padlock.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The unlocking and code changing structure of the mechanical key password padlock comprises a shell, a lock beam, an unlocking plate, keys and other components, and the shell is composed of a bottom shell and an upper cover. The unlocking plate can move front and back and is provided with a plurality of moving grooves, keys in the grooves can move up and down and rotate in the circumferential direction, lock hooks with different functions are arranged on the two sides of the keys and correspond to second lock hooks on the side walls of the moving grooves, and unlocking and locking are achieved. A limiting ring is arranged at the upper end of the key, the unlocking plate is provided with a code changing groove, an anti-rotation arm on the shell and a limiting ring anti-rotation groove are matched, rotation of the key is accurately controlled, codes can be changed only under specific conditions, operation is convenient, and mistaken touch is prevented. In addition, the key is composed of a column body and a cap body and comprises a reset spring, a positioning groove and a positioning arm, and it is ensured that the position of the key is accurate. The spring in the shell pushes the unlocking plate, the reset plate and the lock beam to be linked with the unlocking plate, the reset plate and the lock beam, automatic reset is achieved, the overall structure is exquisite, and the practicability of the padlock is greatly improved.
Need to check novelty before this filing date? Find Prior Art