Backing preventing lock body mechanism and touch type door lock
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 许方情
- Publication Date
- 2019-10-29
Smart Images

Figure 1 
Figure 2 
Figure 3
Abstract
Description
technical field
[0001] The invention belongs to the technical field of hardware, and in particular relates to an anti-retraction lock body mechanism and a touch-type door lock. Background technique
[0002] The door lock is a hardware installed on the door to maintain the privacy of the space. Its basic structure includes a deadbolt that can perform telescopic movement under the action of external force, and cooperates with the buckle box installed on the door frame to prevent the door from being locked. It is opened by accidents such as wind blowing.
[0003] Most of the door locks on the market now have an anti-card unlocking mechanism, which is used to prevent the door from being opened due to the retreat of the bolt under force. Most of the current anti-retraction mechanisms are more complicated in structure and difficult to assemble. Most of the locks are structures that are opened by twisting the handle, which requires a lot of space. Contents of the invention [0...