CN201284575Y

CN201284575Y - Cipher guard hole anti-theft lock

Info

Publication number: CN201284575Y
Application number: CNU2008201587817U
Authority: CN
Inventors: 吴登章
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-16
Filing date: 2008-10-16
Publication date: 2009-08-05
Anticipated expiration: 2018-10-16

Abstract

The utility model discloses an anti-theft lock with a code protected lock hole, which comprises a lock body, a lock core and a lock hole; wherein, the lock body is provided with a housing in which a rotating disk and a code disk are arranged; the rotating disk is provided with a sliding port; a guard plate is arranged at the lateral of the lock hole; the sliding port is matched with the shape of the guard plate; the guard plate is sleeved in a chute provided with the lock body; a sliding plate is arranged at the outside of the guard plate, and a convex block is positioned on the outside surface of the sliding plate. As for the lock of the utility model, the guard plate is arranged on the lock hole, and the guard plate is controlled and started by the code disk, therefore, only when the code is correct, the sliding ports of the two rotating plates can be coincided, and the guard plate can slide into the sliding port of the rotating plate, enabling the lock hole to be exposed and the lock to be opened by a key; and if the guard plate is destroyed, the sliding plate at the outside of the guard plate can contact with the rotating plate, causing points A and B of an electric alarm to be communicated with each other and starting an electric alarm to give alarms..

Description

Password guard aperture theftproof lock

Technical field

The utility model relates to a kind of theftproof lock.

Background technology

Various door locks in the market comprise that some theftproof lock lockholes all expose, and the person that illegally do not unblank is to use unlocking tool to insert interior lock is opened of lockhole and commits theft, and also has some boring persons that chewing gum or foreign matter are filled in the lockhole, brings very big inconvenience to the householder.

The utility model content

The purpose of this utility model provides a kind of theftproof lock with the cryptoguard lockhole.

The purpose of this utility model realizes in the following way: a kind of password guard aperture theftproof lock, comprise lock body, lock core, lockhole, at lock body shell is arranged, rotating disc and combination disk are housed in shell, have sliding mouthful on the rotating disc, backplate is arranged in the lockhole outside, sliding mouthful adapts with the backplate shape, backplate is enclosed within the chute that is contained in lock body, in the backplate outside slide plate is arranged, and on the slide plate lateral surface projection is arranged.

In lock electronic alarm is housed, electronic alarm A, B contact are connected on respectively on slide plate and the rotating disc.

The utility model is owing to be equipped with backplate on lockhole, backplate is opened by combination disk control, have only when password is correct, the sliding eloquence of two rotating discs can overlap, and backplate just can slip in the sliding mouth of rotating disc, exposes lockhole, open the lock with the key, can cause the backplate outside to have slide plate to contact if destroy backplate, electronic alarm A, B contact are connected, start electronic alarm and report to the police with rotating disc.

Description of drawings

Fig. 1 is a cross section view of the present utility model;

Fig. 2 is the front view of the utility model combination disk;

Fig. 3 is the utility model rotating disc outside drawing;

Fig. 4 is the utility model backplate and chute connection diagram;

Fig. 5 is the utility model electronic alarm block diagram;

The specific embodiment

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of password guard aperture theftproof lock, comprise lock body 1, lock core 2, lockhole 3, at lock body 1 shell 4 is arranged, rotating

disc

5,6 and combination disk 7 are housed in shell 4, have sliding mouthful 12 on the rotating

disc

5,6, backplate 8 is arranged in lockhole 3 outsides, sliding mouth 12 adapts with backplate 8 shapes, backplate 8 is enclosed within the chute 11 that is contained in lock body 1, in backplate 8 outsides slide plate 9 is arranged, and on slide plate 9 lateral surfaces projection 10 is arranged, in lock electronic alarm is housed, electronic alarm A, B contact are connected on respectively on slide plate 9 and the rotating

disc

5,6.

Claims

1, a kind of password guard aperture theftproof lock, comprise lock body [1], lock core [2], lockhole [3], it is characterized in that: shell [4] is arranged at lock body [1], rotating disc [5], [6] and combination disk [7] are housed in shell [4], have sliding mouthful [12] on rotating disc [5], [6], backplate [8] is arranged in lockhole [3] outside, sliding mouthful [12] adapt with backplate [8] shape, backplate [8] is enclosed within the chute [11] that is contained in lock body [1], in backplate [8] outside slide plate [9] is arranged, and on slide plate [9] lateral surface projection [10] is arranged.

2, a kind of password guard aperture theftproof lock according to claim 1 is characterized in that: in lock electronic alarm is housed, electronic alarm A, B contact are connected on respectively on slide plate [9] and rotating disc [5], [6].