CN2721805Y

CN2721805Y - Safety lock core

Info

Publication number: CN2721805Y
Application number: CN 200420072463
Authority: CN
Inventors: 关振宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-06
Filing date: 2004-08-06
Publication date: 2005-08-31
Anticipated expiration: 2014-08-06

Abstract

The utility model discloses a safety lock core, comprising a lock casing, a lock core arranged in the lock casing, and locking mechanisms arranged in the lock casing and the lock core. The utility model is characterized in that the lock core is composed of a bladder cover arranged in the lock casing and an inner bladder sheathed in the bladder cover; two locking mechanisms are relatively arranged in the lock casing and the lock core. The utility model can not be opened by universal key or other articles technically and the lock core can not be damaged by the force coming from the outside and twisting fiercely.

Description

A kind of anti-theft lock end

Technical field

The utility model relates to the tapered end of a kind of tapered end, particularly a kind of billiards structure.

Background technology

Present employed ball lock head comprises lock housing, is sleeved on the lock core in the lock housing and implements the some to the pellet shot from a slingshot group of locking.The pellet shot from a slingshot group is made of the pellet shot from a slingshot that two sizes differ usually, and when inserting corresponding key, each is positioned at lock housing and lock core interface to two pellet shot from a slingshot contact surfaces in the pellet shot from a slingshot group, and lock core can rotate with respect to lock housing, realizes the unlatching of tapered end; Under lock-out state, because each does not overlap with the interface of lock housing pellet shot from a slingshot contact surface in the pellet shot from a slingshot group and lock core, pellet shot from a slingshot will stop the rotation of lock core with respect to lock housing.Because the latch-up structure of such tapered end is simple, can not effectively prevent to adopt master key or other object to carry out technical unlocking; And tapered end is under lock-out state, and lock core only depends on pellet shot from a slingshot to stop its relative lock housing rotation, when tool using is turned round by force it, can make pellet shot from a slingshot occur axial rift along lock core with lock interface place, thereby reach the purpose of unblanking.

Summary of the invention

In order to overcome the deficiencies in the prior art, the utility model provides a kind of and not only can prevent to adopt master key or other object to carry out technical unlocking, but also can prevent that external force from turning on the anti-theft lock end that opens by force.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of anti-theft lock end, comprise lock housing, be installed in the lock core in the lock housing and be arranged on lock housing and lock core in locking mechanism, it is characterized in that described lock core comprise be installed in the middle cover courage in the lock housing and be set in inner bag in the cover courage; Described locking mechanism is two covers, and two cover locking mechanisms are oppositely arranged in lock housing and the lock core.

Preferred embodiment a kind of as the utility model, wherein a cover locking mechanism comprises hoodle and the hoodle lock pin that is installed in successively in the inner bag, the cydariform limit pin that is positioned at the limit cotter way on lock housing and the lock core and external-compression type hoodle, pearl spring and the decorative pearl on top of an official cap that is installed in lock housing; Another set of locking mechanism comprises page or leaf sheet and page or leaf sheet lock pin, the cydariform limit pin that is positioned at the limit cotter way on lock housing and the lock core and external-compression type hoodle, pearl spring and the decorative pearl on top of an official cap that is installed in lock housing that is installed in successively in the inner bag.

The beneficial effects of the utility model are: two covers about locking mechanism of the present utility model is set to, and two cover locking mechanisms lock tapered end from both sides respectively, prevent to adopt master key or other object to carry out the effect of technical unlocking thereby can reach; Simultaneously lock core of the present utility model by middle cover courage and in being set in the inner bag in the cover courage form, when tapered end was in the lock state, middle cover courage was stuck in the lock housing, can't rotate, and not locking of inner bag, can in middle cover courage, rotate arbitrarily, but, not link to each other with the transmission bar because of inner bag is located in the middle cover courage, therefore turn on by force when undoing the lock when employing external force, inner bag dallies in middle cover courage, and can not open tapered end, damages lock core thereby can prevent to turn round by force because of external force.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the lock-out state figure of a kind of embodiment of the present utility model;

Fig. 2 is the opening figure of embodiment shown in Figure 1;

Fig. 3 be Fig. 1 along A-A to sectional view;

Fig. 4 be Fig. 2 along B-B to sectional view.

The specific embodiment

With reference to Fig. 1, Fig. 3, a kind of anti-theft lock end of the present utility model, comprise lock housing 1, be installed in the lock core in the lock housing 1 and be arranged on lock housing and lock core in locking mechanism, lock core is made of middle cover courage 2 and inner bag 3, middle cover courage 2 is installed in the lock housing 1, be connected with transmission bar 15 on it, overlap in the courage 2 during inner bag 3 is set in.

Anti-theft lock end of the present utility model is provided with two cover locking mechanisms, and two cover locking mechanisms are oppositely arranged in lock housing 1, middle cover courage 2 and the inner bag 3.

In two cover locking mechanisms, wherein a cover locking mechanism comprises hoodle 4 and the hoodle lock pin 5 that is installed in the inner bag 3, one annular groove 17 is arranged on hoodle 4, annular groove 17 is V-shaped, certainly annular groove also adopts other shape, and hoodle lock pin 5 is complementary with the shape and the annular groove 17 of the contact jaw of hoodle 4; Hoodle 4 is installed in the hoodle hole in the inner bag 3, is provided with spring 12 in the hoodle hole, and spring 12 1 ends contact with hoodle 4; Cotter way 16a is on one side arranged on the cover courage 2 in lock housing 1 reaches, in the cotter way 16a of limit, be provided with cydariform limit pin 6, external-compression type hoodle 7, pearl spring 8 and the decorative pearl on top of an official cap 9 are installed in lock housing 1.Hoodle 4, hoodle lock pin 5, cydariform limit pin 6, external-compression type hoodle 7, pearl spring 8 and the decorative pearl on top of an official cap 9 correspondences are arranged to the first cover locking mechanism.

Another set of locking mechanism and above-mentioned locking mechanism are opposed in lock housing 1 and lock core mutually, it comprises page or leaf sheet 10 and the page or leaf sheet lock pin 11 that is installed in the inner bag 3, at page or leaf sheet 10 groove 18 is arranged, page or leaf sheet lock pin 11 is complementary with the shape and the groove 18 of the contact jaw of page or leaf sheet 10; Page or leaf sheet 10 is installed in the page or leaf film perforation in the inner bag 3, is provided with spring 13 in the page or leaf film perforation, and spring 13 1 ends contact with a page sheet 10; Cotter way 16b is on one side arranged on the cover courage 2 in lock housing 1 reaches, cydariform limit pin 61 is installed in the cotter way 16b of limit, external-compression type hoodle 71, pearl spring 81 and the decorative pearl on top of an official cap 91 are installed in lock housing 1.Page or leaf sheet 10, page or leaf sheet lock pin 11, cydariform limit pin 61, external-compression type hoodle 71, pearl spring 81 and the decorative pearl on top of an official cap 91 correspondences are set to another set of locking mechanism.

Two cover locking mechanisms of the present utility model lock tapered end from both sides respectively, prevent to adopt master key or other object to carry out the effect of technical unlocking thereby can reach; Simultaneously when adopting external force to turn on by force to open anti-theft lock end of the present utility model,, damage lock core in middle cover courage thereby can prevent to turn round by force because of external force because inner bag dallies.The utility model adopts hoodle to combine with a page sheet, thereby can prevent technical unlocking better and turn on by force and open, and the key supporting with it more is difficult to copy.

With reference to Fig. 1, Fig. 3, anti-theft lock end of the present utility model is under lock-out state, hoodle 4, page or leaf sheet 10 moves to hoodle lock pin 5 and page or leaf sheet lock pin 11 line of demarcation of inner bag 3 and middle cover courage 2 respectively,

cydariform limit pin

6,61 limit cotter way 16a that are stuck in middle cover courage 2 and the lock housing 1, in the 16b, at this moment, because inner bag is locking not, it can do any rotation of 360, owing to inner bag 3 is arranged in the middle cover courage 2, do not link to each other, and middle cover courage 2 is because its side has cydariform limit pin to be stuck in the interior limit cotter way of lock housing simultaneously with transmission bar 15, can not rotate, although therefore inner bag can rotate, because middle cover courage is failure to actuate, tapered end still is in the lock state.

With reference to Fig. 2, Fig. 4, after inserting corresponding key 14, hoodle 4 and page or leaf sheet 10 will move to desired location along the key tartar, this moment, hoodle lock pin 5 and page or leaf sheet lock pin 11 moved to respectively in the annular groove 17 and the groove 18 on the page or leaf sheet 10 on the hoodle 4, at external-

compression type hoodle

7,71 and the effect of spring under, the cydariform limit pin 6 of both sides, 61 will promote hoodle lock pin 5 and a page or leaf sheet lock pin 11 moves to inner bag 3 directions, two cydariform limits pin shifts out in the limit cotter way of lock housing, and move to lock housing and middle cover courage line of demarcation place, lock pin is moved into the certain position of inner bag by cover courage and inner bag line of demarcation place in former simultaneously, rotate key, the rotation of drive inner bag, at this moment the cover courage rotated simultaneously during cydariform limit pin drove, and middle cover courage drives the rotation of transmission bar, reaches the purpose of opening tapered end.

Claims

1. anti-theft lock end, comprise lock housing (1), be installed in the lock core in the lock housing (1) and be arranged on lock housing and lock core in locking mechanism, it is characterized in that described lock core comprise be installed in the middle cover courage (2) in the lock housing (1) and be set in inner bag (3) in the cover courage (2); Described locking mechanism is two covers, and two cover locking mechanisms are oppositely arranged in lock housing (1) and the lock core.

2. a kind of anti-theft lock end according to claim 1 is characterized in that wherein a cover locking mechanism comprises hoodle (4) and the hoodle lock pin (5) that is installed in successively in the inner bag (3), the cydariform limit pin (6) that is positioned at the limit cotter way (16a) on lock housing (1) and the lock core and external-compression type hoodle (7), pearl spring (8) and the decorative pearl on top of an official cap (9) that is installed in lock housing (1); Another set of locking mechanism comprises page or leaf sheet (10) and page or leaf sheet lock pin (11), the cydariform limit pin (61) that is positioned at the limit cotter way (16b) on lock housing (1) and the lock core and external-compression type hoodle (71), pearl spring (81) and the decorative pearl on top of an official cap (91) that is installed in lock housing (1) that is installed in successively in the inner bag (3).