CN201173005Y

CN201173005Y - Multilevel theft-protection lock core

Info

Publication number: CN201173005Y
Application number: CNU2008200520415U
Authority: CN
Inventors: 胡少华
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-09
Filing date: 2008-01-09
Publication date: 2008-12-31
Anticipated expiration: 2018-01-09

Abstract

The utility model discloses a multi-stage burglarproof lock core and a special-purpose key, wherein a first-stage lock core and a second-stage lock core are arranged in a lock core body, and a first-stage lock core marble and a second-stage lock core marble are not arranged on the same line, a first-stage lock core marble slot is arranged in a first-stage lock core hole, a second-stage lock core marble slot is arranged in a second-stage lock core hole, and a lock core shaft is arranged in a key hole. The key which is specially used for the multi-stage burglarproof lock core is characterized in that a marble slot slide block is arranged on a key pole, and a lock core shaft housing hole is arranged on the key pole. The utility model has beneficial effects that a lock core with more than two stages is adopted, and the lock core marble slots are not arranged on the same line, thereby the marble of the lock core which is arranged behind the first-stage lock core can not be seen from the lock hole, when the first-stage lock core is opened, the lock core needs to be rotated with a certain angle, thereby the key can be inserted into the second-stage lock core, then the second-stage lock core can be opened, in this way, the lock can be opened, thereby the burglarproof function is strong, and except the special-purpose key, the lock core is difficultly opened by other unlocking tools.

Description

Multistage anti-theft lock and private key

Technical field

The utility model relates to a kind of anti-theft lock.

Background technology

Used lock all has only a lock core at present, can see pellet shot from a slingshot from lockhole, and being easy to has unlocking tool that pellet shot from a slingshot is chosen out with other, and lock is opened, and anti-theft feature is very poor.

The utility model content

The purpose of this utility model provides a kind of anti-theft lock of multistage lock core.

The purpose of this utility model realizes in the following way: a kind of multistage anti-theft lock, one-level lock core and secondary lock core are arranged in lock core body, one-level lock core marble and secondary lock core marble are not point-blank, one-level lock core marble groove is arranged in one-level lock core lock core hole, in secondary level lock core lock core hole, secondary lock core bullet groove is arranged, lock core shaft is arranged in keyhole.

The above lock core of secondary is arranged in the lock core body.

A kind of multistage anti-theft lock private key has the bullet groove slide block on key bar, at key bar lock core shaft's trepanning is arranged.

The utlity model has following beneficial effect, owing to adopt the above lock core of two-stage, and the lock core marble groove is not point-blank, from lockhole, can't see the pellet shot from a slingshot of one-level lock core back lock core, after opening the one-level lock core, need rotate to an angle, key could insert the secondary lock core, just can open the secondary lock core, by that analogy, just can open lock, so anti-theft feature is strong, except private key, other unlocking tool is difficult to open.

Description of drawings

Fig. 1 is that the utility model is contained in the cross section view on the lock body;

Fig. 2 is that the utility model is contained in the front view on the lock body;

Fig. 3 is the utility model lock core front view;

Fig. 4 is the utility model private key front view;

Fig. 5 is the utility model private key A-A cross section view;

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, a kind of multistage anti-theft lock, lock core body 1 is contained on the lock body 10, one-level lock core 2 and secondary lock core 3 are arranged in lock core body 1, one-level lock core marble 5 and secondary lock core marble 6 are not point-blank, one-level lock core marble groove 7 is arranged in one-level lock core 2 lock core holes, in secondary level lock core 3 lock core holes, secondary lock core bullet groove 8 is arranged, lock core shaft 4 is arranged in keyhole 9.

As Fig. 4, shown in Figure 5, a kind of multistage anti-theft lock private key has bullet groove slide block 12 on key bar 11, at key bar 11 lock core shaft's trepanning 13 is arranged.

The utility model is operation like this, when unblanking, the key bar 11 of multistage anti-theft lock private key is aimed at

keyhole

9,12 pairs of pseudo-first-order lock core marbles of bullet groove slide block groove 7 inserts in the keyhole 9, and bullet groove slide block 12 is opened the one-level lock core marble 5 of one-level lock core 2, rotates to an angle, the secondary lock core bullet groove 8 that makes bullet groove slide block 12 aim at secondary lock core 3, insert secondary lock core 3, open secondary lock core marble 6, open lock.If the above lock core of secondary, also by that analogy.

Claims

1, a kind of multistage anti-theft lock, it is characterized in that: one-level lock core [2] and secondary lock core [3] are arranged in lock core body [1], one-level lock core marble [5] and secondary lock core marble [6] are not point-blank, in one-level lock core [2] lock core hole, one-level lock core marble groove [7] is arranged, in secondary level lock core [3] lock core hole, secondary lock core bullet groove [8] is arranged, lock core shaft [4] is arranged in keyhole [9].

2, a kind of multistage anti-theft lock according to claim 1 is characterized in that: the above lock core of secondary is arranged in the lock core body [1].

3, a kind of multistage anti-theft lock private key is characterized in that: bullet groove slide block [12] is arranged on key bar [11], at key bar [11] lock core shaft's trepanning [13] is arranged.