CN104831995B

CN104831995B - Anti-theft lock with sliding cover

Info

Publication number: CN104831995B
Application number: CN201510124056.2A
Authority: CN
Inventors: 杨春和
Original assignee: Ningbo Thumb Locks Co ltd
Current assignee: Ningbo Thumb Locks Co., Ltd.
Priority date: 2015-03-22
Filing date: 2015-03-22
Publication date: 2020-04-03
Anticipated expiration: 2035-03-22
Also published as: CN104831995A

Abstract

The utility model provides an anti-theft device slip cover pickproof lock that prevents property from being stolen, this slip cover pickproof lock device is to open a key slot (20) in one side of lock core (18), and its device is equipped with: a sliding lock core cover plate (4), big and small head marbles (8) of the lock body and a lock core (18) without a key hole, but the outer end is provided with a section of stainless steel lock core groove head (14).

Description

Anti-theft lock with sliding cover

Technical Field

The invention relates to an anti-theft device lock for preventing property from being stolen, which can prevent technical unlocking and has strong destructive unlocking resistance.

Background

At present, a plurality of mechanical locks are unlocked by inserting a key into a lock core leveling pin tumbler and then rotating the lock core, the lock core is made of copper materials, a key hole is formed in the middle of the lock core, the lock core can be pried by slightly rotating the lock core with great force, in addition, the lock is unlocked by fixing the lock core to rotate, so a room is left for technical unlocking, and the lock with the key inserted into the lock core has weak anti-destructive unlocking capacity and poor technical unlocking prevention.

Disclosure of Invention

The technical scheme adopted by the invention for solving the technical problems is as follows: a key empty groove (20) is formed in one side of a lock cylinder (18) by separating a key (6) from the lock cylinder (18), a sliding keyhole cover plate (4) with a keyhole is additionally arranged at the entrance of the key empty groove (20) to enhance the concealment of a marble for preventing technical unlocking, and then a stainless steel lock cylinder groove head (14) is additionally arranged at the outer head of the lock cylinder (18) to enhance the anti-destructive unlocking capacity of the lock cylinder (18).

Advantageous effects

Firstly, the anti-theft performance of the anti-theft lock of the sliding cover is high.

Secondly, the use is convenient and safe.

Thirdly, the price is moderate, and the popularization is easy.

Drawings

FIG. 1 is a side-view perspective schematic illustration of the slide cover anti-theft lock of the present invention, wherein the drawing is shown. Wherein the parts are: the lock comprises a lock body (2), a sliding key hole cover plate (4), a key (6), a lock body large-small head marble (8), an unlocking handle (12), a stainless steel lock cylinder groove head (14), a spring (16), a lock cylinder marble (17), a lock cylinder (18) and a lock tongue (19).

Detailed Description

The invention will be described in further detail below with reference to the accompanying drawings:

a key (6) is inserted into the key hole (1) of the lock body by the back end of the key hole (1) of the lock body and passes through the key hole of the sliding key hole cover plate until the key (6) is inserted into a key head sliding groove (9) at the bottom of the lock body, then, a key (6) is driven to slide towards the lock core (18) by a sliding key hole cover plate (4) to the key hole (1) of the lock body close to the end of the lock core (18), large and small head marbles (8) and lock core marbles (17) of the lock body are leveled at the contact part of the lock body (2) and the lock core (18), the key (6) is pressed into the key hole (1) of the lock body, so that a key clamping table (3) enters the key hole (1) of the lock body, meanwhile, a clamping head (11) at the front end of the key is also inserted into a key head clamping opening (10) at the bottom of the lock body, the key (6) is stably inserted into the key hole (1) of the lock body by a lock core spring (16) after loosening, and finally, an unlocking handle (12) is inserted into a stainless steel lock core groove head (14) to slightly rotate a lock core (18) and.

Claims

1. An anti-theft device lock for preventing theft of property, the anti-theft device lock comprising: the lock comprises a lock body (2), a sliding key hole cover plate (4), a key (6), a lock body large-small head marble (8), an unlocking handle (12), a stainless steel lock cylinder groove head (14), a spring (16), a lock cylinder marble (17), a lock cylinder (18) and a lock tongue (19); a device for opening a key empty slot (20) at one side of the lock core (18) to generate a space around the part of the big-small head marble (8) of the lock body, which is exposed out of the big-small head marble hole (7) of the lock body, a sliding keyhole cover plate (4) is additionally arranged at the insertion position of a key (6) of a key empty groove (20), the sliding keyhole cover plate (4) is additionally arranged to enhance the concealment of marbles for preventing technical unlocking, large and small head marbles (8) and lock core marbles (17) of a lock body are leveled at the contact position of the lock body (2) and a lock core (18), the key (6) is pressed into a keyhole (1) of the lock body, thus, the key clamping table (3) enters the key hole (1) of the lock body, and the clamping head (11) at the front end of the key is also inserted into the key head clamping opening (10) at the bottom of the lock body, the lock is then opened by rotating the locking tongue (19) of the lock cylinder (18) within the stainless steel cylinder slot head (14) with the unlocking handle (12).