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password exterior door lock

A password and door lock technology, applied in the field of password external door locks, can solve problems such as potential safety hazards

Inactive Publication Date: 2018-01-30
王化友
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because it provides unlimited opportunities for trial and error, there are certain potential safety hazards. Therefore, in view of the lack and inconvenience of the above-mentioned prior art, the applicant upholds the spirit of research, innovation, and excellence, and uses its professional vision and expertise. Knowledge, research a coded outer door lock

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Embodiment Construction

[0072] Below will combine the appended in the embodiment of the present invention Figures 1 to 40 , clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0073] The present invention includes a door frame 900, a lock body mechanism 100, a lock case 200, a knob password mechanism 300, a control mechanism 400, an emergency unlock mechanism 600 and an anti-lock button 800;

[0074] The lock case 200 includes a panel 21 and a back plate 22, and inner and outer handles 242, 241 arranged on both sides inside and outside the lock case 200; The slot 431 limits the position; the shift block 43 is arranged in the lock housi...

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Abstract

The invention relates to the technical field of antitheft door locks, in particular to a password outer door lock. A key lock cylinder mechanism comprises a first lock cylinder plate, a second lock cylinder plate and a lock cylinder limiting plate controlled through a key lock cylinder, a snap spring, and a connecting lug hook connected with a lock body mechanism, wherein the first lock cylinder plate limits the connecting lug hook; and the connecting lug hook limits the second lock cylinder plate. The password outer door lock has the following advantages: (1) the password outer door lock has an emergent unlocking function; (2) the password outer door lock has functions of preventing the door lock from being opened through viciously wrong try of a knob and preventing dead locking of a password wheel through disordered wrong try; and (3) the password outer door lock has a function of preventing unlocking through a tool after damage of a cat eye.

Description

technical field [0001] The invention relates to the technical field of anti-theft door locks, in particular to a coded outer door lock. Background technique [0002] At present, there is a hole in the traditional new knob combination lock cylinder on the market, and the combination wheel passes through the hole. For example, in the application of the new knob combination lock on the diary, ZL02228654. The invention patent is currently a new type of knob combination lock applied to diaries and stamp albums. Most of the inner doors use key locks. If the two are combined, it can not only increase security, improve the anti-theft ability and ensure the safety of life and property, especially in places where shared renting is prevalent, two or more households rent a unit together. Although there are anti-theft doors, it is not enough to effectively prevent theft . If you want to combine the new rotary knob combination lock with the ordinary key door lock, you need to redesign ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B37/12E05B63/14E05B17/20E05B13/00E05B17/00
CPCE05B13/002E05B17/0045E05B17/20E05B37/12E05B63/146
Inventor 王化友郑生文
Owner 王化友
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