CN203066626U

CN203066626U - Pickproof lock head

Info

Publication number: CN203066626U
Application number: CN 201320059217
Authority: CN
Inventors: 雷先鸣
Original assignee: GUANGDONG JINDIAN ATOM LOCK MANUFACTURING Co Ltd
Current assignee: GUANGDONG JINDIAN ATOM LOCK MANUFACTURING Co Ltd
Priority date: 2012-11-18
Filing date: 2013-02-03
Publication date: 2013-07-17
Anticipated expiration: 2023-02-03

Abstract

The utility model discloses a pickproof lock head which comprises a lock pipe and a lock cylinder arranged in the lock pipe, wherein a keyhole is formed in the lock cylinder; the front end of the lock pipe is covered with a protecting cover; and an open hole is formed in the protecting cover and corresponds to the lock cylinder. According to the pickproof lock head, the front end of the lock pipe is covered with the protecting cover, so that the strength of a pipe wall of the lock pipe can be improved; when the lock cylinder is beat by a violence tool forcefully, the lock pipe can be prevented from expanding to open and from being damaged; the open hole is formed in the protecting cover, so that a key can be inserted into the lock cylinder normally to open or close a lock without influence; fixed pins can strengthen connection between the protecting cover and the lock pipe; and a drilling prevention sheet is movable, so that the drilling prevention sheet can prevent a drill bit from being contacted with the lock cylinder, rotate with the drill bit, and prevent the lock cylinder from being damaged when an electric drill drills the lock cylinder. With the adoption of the structure, the safety performance of the pickproof lock head is improved greatly.

Description

A kind of anti-prizing type lock

Technical field

The utility model belongs to lockset, particularly relates to a kind of anti-prizing type lock.

Background technology

Tapered end is the core component of lockset, and existing tapered end comprises lock pipe 1 and is located at the lock core 2 that lock is managed the band keyhole 3 in 1 as depicted in figs. 1 and 2.Because the restriction of installation dimension, tapered end volume big or small limited, the tube wall that lock core position 101 is installed on the lock pipe 1 is all thinner, and therefore there is potential safety hazard in this tapered end: when the instrument brute force is beaten lock core by force, lock tube wall easy spreading, instrument reverses lock core and just lock can be opened by force again.

The utility model content

The purpose of this utility model provides the higher anti-prizing type lock of a kind of security performance.

The technical scheme that realizes the employing of the utility model purpose is as follows:

The anti-prizing type lock that the utility model provides comprises the lock pipe and is located at the interior lock core of lock pipe that lock core is provided with keyhole, and the front end of described lock pipe is covered with protective cover, and it is corresponding with described lock core that protective cover is provided with perforate.

Further technical scheme is:

Described protective cover is fixed on the described lock pipe by steady pin;

Be provided with movable anti-drilling sheet between the perforate of described protective cover and the lock core, anti-drilling sheet is provided with the jack corresponding with the keyhole on the lock core.

The beneficial effects of the utility model:

The utility model can increase the intensity of lock tube wall owing to be covered with protective cover at the front end of locking pipe, therefore when the instrument brute force is beaten lock core by force, can be damaged by protection lock Guan Buhui spreading; Perforate is set on the protective cover, and can to make key normally insert lock core open and close lock unaffected; Steady pin can be strengthened protective cover and lock being connected of pipe; Anti-drilling sheet when boring lock core with electric drill, can stop drill bit contact lock core, and rotate with drill bit because be movable, prevent that lock core is damaged.

After the utility model adopted said structure, its security performance was greatly enhanced.

Further specify the technical solution of the utility model below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the structural representation of existing tapered end.

Fig. 2 is the right view of Fig. 1.

Fig. 3 is structural representation of the present utility model.

Fig. 4 is axonometric drawing of the present utility model.

Fig. 5 is different structure schematic diagram of the present utility model.

Fig. 6 is the axonometric drawing of Fig. 5.

The specific embodiment

Embodiment 1

See Fig. 3, Fig. 4, anti-prizing type lock of the present utility model, comprise lock pipe 1, be provided with lock core 2 in the lock core mounting portion 101 of lock pipe 1, lock core 2 is provided with keyhole 3, the front end of described lock pipe 1 is covered with protective cover 5, and it is corresponding with described lock core 2 that protective cover 5 is provided with perforate 501, and protective cover 5 is fixed on the described lock pipe 1 by steady pin 4.

After the front end of lock pipe 1 adds protective cover 5, strengthened the intensity of lock pipe 1 upper lock core mounting portion 101 tube walls, can prevent from adopting violent tool to beat lock core 2 and will lock lock core mounting portion 101 destructions of pipe 1 lock is opened.

Embodiment 2

See Fig. 5, Fig. 6, the difference of present embodiment and embodiment 1 is, be provided with movable anti-drilling sheet 6 between the perforate 501 of protective cover 5 and lock core 2, anti-drilling sheet 6 is provided with the jack 601 corresponding with the keyhole 3 on the lock core 2, and anti-drilling sheet 6 can adopt high-intensity 304 stainless steel materials.

Owing between the perforate 501 of protective cover 5 and lock core 2, be provided with the anti-drilling sheet 6 of activity, if bore lock core with electric drill, anti-drilling sheet 6 can stop electric drill contact lock core on the one hand, can rotate with drill bit on the other hand, reaches to prevent from destroying the purpose that lock core 2 is unblanked by electric drill.

Claims

1. an anti-prizing type lock comprises the lock pipe and is located at the interior lock core of lock pipe, and lock core is provided with keyhole, it is characterized in that the front end of described lock pipe is covered with protective cover, and it is corresponding with described lock core that protective cover is provided with perforate.

2. anti-prizing type lock according to claim 1 is characterized in that described protective cover is fixed on the described lock pipe by steady pin.

3. anti-prizing type lock according to claim 1 and 2 is characterized in that being provided with movable anti-drilling sheet between the perforate of described protective cover and the lock core, and anti-drilling sheet is provided with the jack corresponding with the keyhole on the lock core.