Locking structure for preventing latch knocking door case

Abstract

The invention relates to a latch beating structure for preventing a latch from bumping a door frame. The latch beating structure comprises a latch rack (2) arranged on the back of a door panel (1) and a latch (3); and is arranged the outer sidewall of the latch rack is provided with a guide hole (21). The latch beating structure is characterized in that the outside limit of the latch rack (2) is provided with a cover plate (4) which can vertically slide relative to the door panel (1); the cover plate (4) at least can cover part of the guide hole (21); an elastic piece (5) which can make the cover plate (4) always keep the trend of at least covering part of the guide hole (2) is arranged between the door panel (1) and the cover plate (4); the end of the cover plate (4) close to the door panel (1) is provided with a driving plate (41) extending outwards; and when the door panel is closed, the door frame drives the driving plate (41) so that the cover plate (4) can not cover the guide hole (21). In the state that the latch draws back to the latch rack, the cover plate at least covers part of the guide hole and the latch is always kept in the latch rack; therefore, that the latch directly bumps the door frame is impossible when a door is closed, thereby avoiding that the latch bumps the door frame to cause the damage of the door frame, the latch or other inner structures.

Description

technical field [0001] The invention relates to a latch structure applicable to various safes, vaults and anti-theft doors for households, in particular to a latch structure capable of preventing the latch from colliding with the door frame. Background technique [0002] With the continuous improvement of people's living standards, various safety doors have been more and more used in people's daily life. The safety door can be applied to various safes, various vaults and household anti-theft doors to store valuables. The latch structure between the door and the door frame. The bolt structure also includes a bolt arranged on the back of the door that can slide relatively laterally, and a lock structure arranged on the door to prevent the bolt from sliding laterally. The door frame is provided with bolt holes corresponding to the bolt. There are many types of lock structures, which can In the various existing structures, when locking, the bolt is inserted into the bolt hole ...

AI Technical Summary

Problems solved by technology

The entry and exit of the bolt in the latch mechanism can only be passively controlled, so when the door is opened, the bolt is likely to remain extended, but there is such a situation, after the door is opened, the bolt is still extended, people do not pay attention , close the door directly, at this time, because the bolt protrudes, the bolt will directly hit the door frame when closing the door, causing the appearance of the door frame to be damaged and affecting the appearance

[0004] The various latching structures reported in existing patents are all considered on the issue of safety, and there is no patent report that solves the aforementioned technical problems

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