CN2743481Y

CN2743481Y - Antitheft lock core

Info

Publication number: CN2743481Y
Application number: CN 200420094222
Authority: CN
Inventors: 包盛凌
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-10-25
Filing date: 2004-10-25
Publication date: 2005-11-30
Anticipated expiration: 2014-10-25

Abstract

The utility model relates to an antitheft lock core, comprising a lock core body. The middle of the lock core body is provided with a through hole along an axial line direction, the interior of the lock core body is penetrated and provided with at least one row of cylinder holes along the an axial line vertical direction, and each row of cylinder holes at least is provided with a group of cylinder holes. Cylinder holes are correspondingly arranged on a driving lever. The driving lever is arranged inside the through hole. The outer end of the driving lever can extend out or retract the outer end surface of the lock core body, and the inner end of the driving lever extends out the inner end of the lock core body. Key slot holes are arranged on the lock core body which is corresponding to the positions of the cylinder holes. An upper cylinder, an upper spring, a middle cylinder, and a middle spring, a lower cylinder, and lower spring are orderly installed inside each group of cylinder holes. The length of the cylinders is matched with the height of the teeth of a key which is matched. When the key is inserted, the cylinders one by one retract inside the cylinder holes positioned inside the lock core body and the driving lever according to an upper position, a middle position, and a lower position, and the driving lever can move to make a lock be opened. When the key is pulled out, each group of cylinders are sprung out, the driving lever and the lock core body are locked from an upper position and a lower position, the driving lever can not move, and the lock is positioned in a locking state. The lock made by the utility model is used, and an effractor can not collocate a universal key. The antitheft lock core has the advantages that the antitheft lock core is anti-prizing, and anti-planing, the antitheft lock core has a plurality of adjustable gear positions and good antitheft effect.

Description

A kind of anti-theft lock

Technical field

The utility model relates to used lock, particularly Suo lock core in daily life, the work, a kind of anti-theft lock.

Background technology

Various locks are arranged on the market, have antitheft, also have general.Its lock core have keyhole be located at its rotatable among axle (connecting shift fork or driving lever) central authorities, also have and be located at its edge, but after all, these lock cores all are to unblank by the axis of key rotation lock core.Its operating principle is: by key pellet shot from a slingshot in the lock core is flattened, the rotational lock core axis drives shift fork, driving lever then or says the parts of pin and so on, and lock is opened.Keyhole has (as: crescent) in-line, criss-cross, circular, arc or the like.

Shortcoming is, the lock of these conventional lock cylinders of adapted, because the existing defective of lock core structure, anti-theft effect is bad or good inadequately.Chinese patent 99115581.5 is exactly that a kind of keyhole is located at lock core axis edge and is meniscate theftproof lock.

The shortcoming that existing lock core exists is in particular in:

1, keyhole is the traditional locks of in-line, cross, circle, is very easily pried open by the burglar, as long as a few minutes almost unblank the same fast with original key.

2, the lock core of existing in-line keyhole is subjected to structural limitations, has only one to two toothrow hole, and the burglar disposes master key easily, unblanks easily.

3, existing lock core is subjected to structural limitations, and the pellet shot from a slingshot surrounding space in the keyhole is big, and the steel that the burglar makes good use of are made the key shaped instrument can pry open lock in several seconds.

4, existing lock core is subjected to structural limitations, and pellet shot from a slingshot is few in it, and key is big, and it is few once can to regulate gear, simple in structure, is easily opened by plane.

5, existing lock core is subjected to structural limitations, and the key that direction is unblanked has only one to two row's (6-12 organize pellet shot from a slingshot), fills in the keyhole with bubble gum, clings pellet shot from a slingshot, the top is put down, and rotational lock core just can be opened lock.

6, existing lock core is subjected to structural limitations, and keyhole is big, and the space is many, and the thief can dig with the key key of unreserved seating and unblank.

Summary of the invention

The purpose of this utility model is the shortcoming that will overcome prior art, design a kind of can be from both direction, many rows, organize pellet shot from a slingshot more and pin lock core, make the burglar be difficult to the anti-theft lock that existing means are pried open lock.

The technical solution of the utility model is as follows:

A kind of anti-theft lock, comprise shell, it is characterized in that in described shell, being fixedly connected with plug body that body is a column, be provided with through hole along axis direction in the middle of it, connect along the axis normal direction in the body and be provided with at least one row, whenever drain into rare one group of pellet shot from a slingshot hole; Being provided with one in through hole can be along the lock core shift lever of axis slide displacement, the outer face of the extended or indentation body in the outer end of driving lever, and the inner of body is stretched out in the inner of lock core shift lever; The corresponding key groove hole that is provided with on body with the pellet shot from a slingshot hole site; Corresponding with the pellet shot from a slingshot hole on the body, on driving lever, also be provided with the pellet shot from a slingshot hole; Be provided with three pellets shot from a slingshot in upper, middle and lower and spring successively in each group pellet shot from a slingshot hole, the height of the length of pellet shot from a slingshot and institute's bitting tooth cooperatively interacts, and inserts key, and each is organized in the pellet shot from a slingshot hole of pellet shot from a slingshot difference indentation correspondence, and the driving lever release can be moved in body; Extract key, each pellet shot from a slingshot is upspring, in, down pellet shot from a slingshot locks driving lever between body and driving lever.

On the outer wall near the inner of described driving lever, be provided with boss or projection, on the inner outer wall of driving lever, be socketed with a stage clip, an end of stage clip and boss or protruding apical grafting, the other end of stage clip and the capping apical grafting that is socketed in by centre bore on driving lever the inner.

From such scheme as can be seen: 1, lock core shift lever of the present utility model is telescopic, and the central authorities of lock core are driving lever, and keyhole is located on the body, and it is corresponding with the pellet shot from a slingshot hole site.The utility model lock core is to lean on accurate each of pushing up flat upper and lower two positions of key to arrange, respectively organize pellet shot from a slingshot, move in conjunction with the thrust straight line of spring again that driving lever unblanks, and, drive with rotational lock core by the pellet shot from a slingshot of the flat single position screens in key top that shift fork or driving lever unblank unlike traditional rotary type lock core.As long as the utility model has some keys not match, each row, respectively to organize and just have at least one in the pellet shot from a slingshot not upper, driving lever will be organized pellet shot from a slingshot by this and block from upper and lower two positions, does not move the lock of also just not opening.2, the pellet shot from a slingshot hole of the utility model lock core is provided in a side of and establishes on the lock core shift lever, key groove hole is provided in a side of on the body, be provided in a side of specifically on the periphery of body, therefore three, four rows can be arranged in the pellet shot from a slingshot hole, even more, corresponding with it, three, four rows can be set on the matched key, even the changeable tooth of more depths, make the robber can't prepare master key at all.3, can fill One's name is legion, intensive (as 54-72 's or more) pellet shot from a slingshot in the utility model core body and the driving lever, the gap is little, cannot pry open, dig out.4, the utility model core pellet shot from a slingshot is many, and its length changes many, thereby it is many to regulate gear, has increased the theftproof of lock on the whole.

Description of drawings

Fig. 1 is a kind of concrete structure schematic diagram of the present utility model;

Fig. 2 be Fig. 1 along A-A to sectional view;

Structural representation (stage clip partly omits, and is not shown) in Fig. 3 Fig. 1 shell 1;

Fig. 4 is an another kind of embodiment schematic diagram of the present utility model.

The specific embodiment

Embodiment 1:

As shown in Figure 1, a kind of anti-theft lock, its shell 1 is the pipe shape, uses the lock body of the various structures of joining with other to be connected by various connectors such as rivet, screws and constitutes complete lock.Plug body 2 is a cylinder, is fixed in the shell 1, is provided with the four prisms cylinder through hole 3 in rectangle cross section in the middle of it along axis direction.In body 2, edge and axis normal direction are provided with three rows, eight groups of pellet shot from a

slingshot holes

8,10 that connect of every row.Corresponding with through hole 3, being provided with can be along the four prisms cylinder lock core shift lever 4 in the rectangle cross section of axis slide displacement.The outer face 21 of the extended or indentation body 2 in the outer end 42 of driving lever 4.The inner of body 2 is stretched out in the inner 43 of driving lever 4, on the outer wall near the inner 43 of driving lever 4, is provided with boss or projection 41.On 43 outer walls of the inner of driving lever 4, be with a stage clip 14, an end of stage clip 14 and protruding 41 apical graftings, the other end of stage clip 14 and capping 13 apical graftings that are socketed in by centre bore on driving lever 4 the inners 43, capping 13 is riveted by rivet 12 with shell 1.On body 2, corresponding with 8 positions, pellet shot from a slingshot hole, be provided with key groove hole 6, key groove hole 6 cambers are positioned on the outer circumference surface of body 2.On driving lever 4, be provided with 8,10 corresponding pellet shot from a slingshot holes 9, pellet shot from a slingshot hole with body 2, upper, middle and lower three pellets shot from a slingshot 5,51,52 and spring 53 are installed in every group of pellet shot from a

slingshot hole

8,9,10 successively, the length of pellet shot from a slingshot matches with the height of institute's bitting tooth, when key is inserted, in the pellet shot from a

slingshot hole

8,9,10 of the pellet shot from a slingshot difference indentation upper, middle and lower correspondence of each group, driving lever 4 can be moved.At this moment, click the outer face of driving lever 4 with hand, stage clip 14 discharges, and stretch out the outer face of driving lever 4 outwards (left side), and its inner inwardly indentation makes lock core be in open mode, opens corresponding to lock; Push the outer face of driving lever 4, stage clip 14 compressions, extract key, each is organized pellet shot from a slingshot and upsprings, in, down pellet shot from a slingshot 51,52 is in pellet shot from a slingshot hole 9 joints of body 2 and driving lever 4, and is the same to two pins, with driving lever 4 and body 2 lockings, make it and can not move, lock core is in the lock state (for lock, being in locking-in state).

Embodiment 2: present embodiment anti-theft lock and the structural difference of embodiment 1 anti-theft lock are that driving lever 4 is four-prism, that is to say, its cross section is a square.

The inner chamber of shell 1 and body 2 are rectangle for the cross section or foursquare four prisms cylinder, and through hole 3 and driving lever 4 be that six prisms, eight prisms also are fine, and have identical effect.But, embodiment 1 is comparatively simple, reliable, cost is low.

Claims

1, a kind of anti-theft lock, comprise shell (1), it is characterized in that in described shell (1), being fixedly connected with plug body (2), body (2) is a column, be provided with through hole (3) along axis direction in the middle of it, connect along the axis normal direction in the body (2) and be provided with at least one row, whenever drain into rare one group of pellet shot from a slingshot hole (8,10); Being provided with one in through hole (3) can be along the lock core shift lever (4) of axis slide displacement, the outer face (21) of the extended or indentation body (2) in the outer end (42) of driving lever (4), and the inner of body (2) is stretched out in the inner (43) of lock core shift lever (4); Go up the corresponding key groove hole (6) that is provided with at body (2) with position, pellet shot from a slingshot hole (8); Corresponding with the pellet shot from a slingshot hole (8,10) on the body (2), on driving lever (4), also be provided with pellet shot from a slingshot hole (9); In each group pellet shot from a slingshot hole (8,9, be provided with three pellets shot from a slingshot in upper, middle and lower (5,51,52) and spring (53) 10) successively, the height of the length of pellet shot from a slingshot and institute's bitting tooth cooperatively interacts, insert key, each is organized in the pellet shot from a slingshot hole of pellet shot from a slingshot difference indentation correspondence, driving lever (4) release can be moved in body (2); Extract key, each pellet shot from a slingshot is upspring, in, down pellet shot from a slingshot (51,52) is positioned between body (2) and the driving lever (4), driving lever (4) is locked.

2,, it is characterized in that described driving lever (4) is rectangle for the cross section or foursquare four prisms cylinder according to the described anti-theft lock of claim 1.

3, according to claim 1 or 2 described anti-theft locks, it is characterized in that on the outer wall near inner (43) of described driving lever (4), be provided with boss or projection (41), on the outer wall of the inner (43) of driving lever (4), be socketed with a stage clip (14), one end of stage clip (14) and boss or projection (41) apical grafting, the other end of stage clip (14) and capping (13) apical grafting that is socketed in by centre bore on the driving lever (4) inner (43).

4,, it is characterized in that the inner chamber of described shell (1) and body (2) are that cylinder or cross section are rectangle or foursquare four prisms cylinder according to the described anti-theft lock of claim 3.