CN101684702A

CN101684702A - Burglar-proof lock cylinder

Info

Publication number: CN101684702A
Application number: CN200810200506A
Authority: CN
Inventors: 孙建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-26
Filing date: 2008-09-26
Publication date: 2010-03-31
Anticipated expiration: 2028-09-26
Also published as: CN101684702B

Abstract

The invention relates to a lock cylinder, in particular to a burglar-proof lock cylinder. The invention mainly consists of a lock seat, a lower key cylinder, springs, spring pins or steel discs, a protective cover or an upper key cylinder, a main key and the like. The invention is characterized in that the upper part of the lower key cylinder is provided with the protective cover or the upper keycylinder, the lower key cylinder is provided with more than two key hole slots, each key hole slot and the lock seat are respectively distributed with the spring, the spring pin or the steel disc in correspondence, the key-shaped hole on the protective cover is of non-round shape, the protective cover partial key hole slot and partial key hole slot on the lower key cylinder is exposed through thekey-shaped hole on the protective cover; the main key is formed by sheathing plural sections of movable sleeves, and the key stem is flexibly mounted with a sub key and an auxiliary key. When in use,the main key is inserted into the key hole slot of the lower key cylinder through the key-shaped hole, then the auxiliary key is rotated to drive the protective cover to rotate for a certain angle, right now, the sub key is inserted into the key hole slot exposed through the key-shaped hole, as long as the tooth profile of the key is perfectly fit, the lock cylinder can rotate with the key. The key hole slots on the lower key cylinder are exposed alternately, and the keys are inserted alternately in sequence, while the process of rotating the lock cylinder is finished in one step, therefore technical unlocking is unrealizable. The invention has reasonable structure, and is scientific, safe and practical.

Description

A kind of anti-theft lock

Technical field:

The present invention relates to a kind of lock core, particularly a kind of anti-theft lock.

Background technology:

Present lock core kind is a lot, multifarious on the market is complete, even up-to-date patented product or external last word, be nothing but to have increased secret key amount (marble amount), or the change of key shape (cross section), or the change of Key structure and electromechanical integration technology, but these technology all being the keyhole of lockset or being exposed to outer without exception, and the keyhole that exposes is easy to make in the technical opening instrument deeply locks, as long as enough experiences and time are arranged, lock still can be opened by other people, want thus to prevent that the chance of technology unlocking from taking place, unique method is with keyhole partly or it is covered in the process of unblanking by structure fully, thereby stops the chance of technology unlocking.

Summary of the invention:

The objective of the invention is to release a kind of lock core, the keyhole groove not exclusively exposes on its lock core, it alternately exposes in the process of unblanking, the technical opening instrument just can't stretch into a spoon core and instigates and unblank in the process of unblanking like this, it can prevent effectively that lockset from being opened by technological means by other people, thereby reaches the effect of protecting side's safety.

The present invention realizes with following method: the present invention mainly is made up of lock, following spoon core, spring, pellet shot from a slingshot or steel disc, over cap or a last spoon core, master key etc., it is characterized in that there is over cap on following spoon of core top or goes up the spoon core, keyhole groove more than two is arranged on the following spoon core, on each keyhole groove and the lock all correspondence be furnished with spring, pellet shot from a slingshot or steel disc, over cap or the cochlear hole of going up on the spoon core are non-circular, over cap or go up the spoon core and not only covered in the cochlear hole on it but also expose part keyhole groove on the following spoon core simultaneously of keyhole groove partly; Master key is that more piece socket activity forms, and pluggable sub-key and auxiliary key are equipped with in the activity of spoon bar.

Description of drawings:

Below in conjunction with accompanying drawing the present invention is explained in detail

Fig. 1 is a structure principle chart of the present invention

Fig. 2 is Key structure figure among the present invention

Fig. 3 is the fundamental diagram of most preferred embodiment one of the present invention

Fig. 4 is the fundamental diagram of most preferred embodiment two of the present invention

Embodiment:

Most preferred embodiment one of the present invention sees for details as follows:

As shown in Figure 1, the present invention is mainly by lock (1), following spoon core (2), spring (3), pellet shot from a slingshot or steel disc (4), an over cap or a last spoon core (5), master key compositions such as (6), it is characterized in that there is over cap on following spoon core (2) top or goes up spoon core (5), keyhole groove (7) more than two is arranged on the following spoon core (2), on each keyhole groove (7) and the lock (1) all correspondence be furnished with spring (3), pellet shot from a slingshot or steel disc (4), over cap or the cochlear hole (8) of going up on the spoon core (5) are non-circular, over cap or go up spoon core (5) and not only covered in the cochlear hole (8) on it but also expose part keyhole groove (7) on the following spoon core (2) simultaneously of keyhole groove (7) partly; As shown in Figure 2; master key (6) forms for the more piece pivot bush unit; spoon bar (9) is gone up activity pluggable sub-key (10) and auxiliary key (11) is housed; present embodiment is a single spoon of core pattern (i.e. spoon core; over cap (5) is gone up non-marble); be inserted into down master key (6) in the keyhole groove (7) of spoon core (2) along cochlear hole (8) during work; see Fig. 3 A; we suppose that this key and lock core mate; but at this moment lock core still can not rotate; because being over cap (5), the characteristics of this lock core also covered in unexposed keyhole groove (7); and this keyhole groove (7) is partly gone up corresponding spring (3) with lock (1) in addition; pellet shot from a slingshot and steel disc (4) do not put in place on quilt key (10) top; so lock core does not still change; must drive over cap or go up spoon core (5) and rotate together till original covered keyhole groove (7) of living exposes in cochlear hole (8) this moment with being enclosed within auxiliary key (11) on master key (6) the spoon bar (9); again sub-key (10) is inserted this moment in the other several keyhole grooves (7) on the following spoon core (2); shown in Fig. 3 B; this all is inserted with key in last all keyhole grooves (7) of spoon core (2) at present; and; key cochlear in all keyhole grooves (6) and the spring (3) in the lock (1); pellet shot from a slingshot and steel disc (4) be coupling all; at this moment key handle again; lock core just has been opened; the front end of master key this moment (6) has been nuzzled down in spoon keyhole groove (7) of core (2); an over cap or a last spoon core (5) cover it in rotation, and the outside be cannot see.The keyhole groove (7) on the following spoon core (2) partly can only be exposed in the cochlear hole (8) that characteristics of the present invention are over cap or go up spoon core (5); and the front end of master key (6) can be inserted into earlier in this keyhole groove (7) that exposes; and auxiliary key (11) its over cap or go up the front end that spoon core (5) will before be inserted into the master key (6) in the keyhole groove (7) again and covered when driving over cap (5) and seek other keyhole groove (7); the chance of technology unlocking has not just had like this; because the cochlear hole (8) on this over cap (5) can only allow other people that part keyhole groove (7) is opened; and can not simultaneously the apparatus of unblanking be inserted into down the spoon core (2) all keyhole grooves (7) in, the institute in case technical opening also just turned one's dream into reality.

Most preferred embodiment two of the present invention sees for details as follows:

The primary structure of present embodiment is identical with embodiment one basically with the process of unblanking; in embodiment one over cap or on spoon core (5) so go up because of non-marble and can at will rotate; it drives it by sub-key (10) or auxiliary key (11) and realizes down that the last keyhole groove (7) of a spoon core (2) alternately exposes; and present embodiment is many spoons of core patterns (i.e. spoon cores more than two); owing in the last spoon core (5) pellet shot from a slingshot (seeing Fig. 4 A) is arranged; just can not rotate arbitrarily between institute's above spoon core (5) and the lock (1); make its rotation and must add a key by other; upward have except front end on the key external spoon bar (9) at master key (6) like this and also be with another auxiliary key (11); also be with sub-key (10) at last in the back; inserting foremost in the keyhole groove (7) of the following spoon core (2) that exposes master key (6) during work; be inserted into auxiliary key (11) in the cochlear hole (8) of spoon core (5) along ratch (9) then; this at present a spoon core (2) go up since also have several keyhole grooves (7) thus in do not have key to insert a spoon core also can't to rotate; inserted owing to auxiliary key (11) in the spoon core (5) and go up; and profile of tooth and last spoon core (5) medi-spring (3); pellet shot from a slingshot or steel disc (4) are identical; institute's above spoon core (5) can be with by auxiliary key (11) and rotate; to go up a spoon core (5) this moment again rotates and to go up originally covered keyhole groove (7) of living up to following spoon core (2) and all expose from the hole of last spoon of core (5) or auxiliary key (11); this moment is as long as be inserted into down sub-key (10) in spoon keyhole groove (7) of core (2) (seeing Fig. 4 B) from the hole of last spoon core (5) or in the hole of auxiliary key (11); on whole like this; key in the following spoon core in all keyhole groove (7); spring (3); pellet shot from a slingshot or steel disc (4) coupling is coincide; lock core also will be opened; the structure of present embodiment is more complicated than embodiment one; but consequently the same, anti-theft effect is also very approaching.

The present invention is rational in infrastructure, novel, firm, science.

Claims

1, a kind of anti-theft lock, mainly by lock (1), following spoon core (2), spring (3), pellet shot from a slingshot or steel disc (4), an over cap or a last spoon core (5), master key compositions such as (6), it is characterized in that there is over cap on following spoon core (2) top or goes up spoon core (5), keyhole groove face more than two is arranged on the following spoon core (2), on each keyhole groove (7) and the lock (1) all correspondence be furnished with spring (3), pellet shot from a slingshot or steel disc (4), over cap or go up a spoon core (5) and go up cochlear hole (8) and be non-circular, over cap or go up spoon core (5) and not only covered the cochlear hole (8) on it but also expose the part keyhole groove (7) of (2) on the following spoon core simultaneously of keyhole groove (7) partly;

2, a kind of anti-theft lock according to claim 1 is characterized in that master key (6) forms for the more piece pivot bush unit, and spoon bar (9) is gone up activity pluggable sub-key (10) and auxiliary key (11) are housed.