CN202170683U - Anti-theft lock with hidden lock cylinder - Google Patents

Abstract

An anti-theft lock with a hidden lock cylinder is disclosed, which hides the lock cylinder in the lock body, wherein because of a cylindrical key and an address chute designed around the cylinder, when the key is inserted to the lock body to drive the chute to enable an upper spring and a lower spring of the lock cylinder to separate from the lock body by the cooperation of a prism-shaped hole arranged in the front of the cylindrical key and a straight-tooth prism, so that the prism-shaped straight teeth and the hidden lock cylinder are rotated by rotation of the key in order to drive a driving piece to enable a cylinder tongue to shrink inwards so as to open the lock. Even if the lock cylinder springs are separated from the lock body by a theft tool, the prism-shaped straight teeth in the lock body cannot drive the lock cylinder to rotate, and the straight teeth cannot rotate to drive the hidden lock cylinder when the lock cylinder springs are connected with the lock body, so that the theft difficulty is increased and the anti-theft aim is achieved. The anti-theft lock disclosed by the utility model has simple structure and is convenient to install and use.

Description

Lock core is hidden theftproof lock

Technical field:

This emerging technology on probation relates to a kind of lock, especially a kind of lock core is hidden theftproof lock.

Background technology:

Existing market is sold and the lock of general use of people, all be to be made up of lock body, lock core and interior pellet shot from a slingshot thereof and spring.When the key of correspondence inserted lock core, disconnection promptly turned between pellet shot from a slingshot that lock core is interior and the lock body, and can reach the purpose of unblanking after making the lock core rear end stir the interior receipts of lock house in flakes.This lock construction is simple, and keyhole designs in lock core, thus the general easy easy and convenient entering of stealing tool with its lock core and lock spring external-open, and the rotation main road purpose of unblanking, the shortcoming and defect of Here it is this type lock.

Summary of the invention:

Existing lock core exposes in order to overcome, keyhole is located at the medium shortcoming and defect of lock core, and the utility model provides a kind of lock core to hide theftproof lock.This lock core is hidden theftproof lock not only makes lock core be hidden in the lock body, and the keyhole design is below lock core.

The utility model solves the scheme that its technical problem adopted: there is the pellet shot from a slingshot through hole at band tooth lock core center, is provided with the yellow and keyhole of pellet shot from a slingshot and bullet in the lock body, drives compositions such as tooth; Line of lock marble hole and lock core marble hole center and diameter are identical, and pellet shot from a slingshot can easily freely be slided up and down, and the lock cylinder lock body of being convenient to wherein connects into integral body; Connection is lock, breaks off being unlatching, because lock core marble hole is designed to through hole; Make that pellet shot from a slingshot can be free to slide and not fall down in it, key design becomes the drop point place of cylinder and corresponding pellet shot from a slingshot to be designed to deep mixed around the cylinder skewed slot around every pellet shot from a slingshot position of cylinder skewed slot, but each is identical around the skewed slot degree of depth of cylinder; The key tip is provided with the triangular prismatic hole that becomes, and matches with the protrusion shape of straight-tooth, makes its key drive straight-tooth and rotation; Owing to do not have spring on the lock body list, its each row's pellet shot from a slingshot hole is pressed by spring, the pellet shot from a slingshot length in the band tooth lock core is identical with lock core diameter or be with many pellet shot from a slingshot total lengths in the tooth lock core identical with lock core diameter; A pellet shot from a slingshot is equipped with in lock body below, and the below is exposed pellet shot from a slingshot and do not come off again in hole and the protrusion keyhole less than the top; Under the spring pressure in each row pellet shot from a slingshot hole, make and respectively arrange pellet shot from a slingshot and be connected lock body with band tooth lock core; When the cylinder skewed slot of the individual event regulation shape and the circle skewed slot degree of depth inserted keyhole, the convex that makes its front end and tooth made upward corresponding pellet shot from a slingshot of its each skewed slot top to cooperating; And the pellet shot from a slingshot in its interior band tooth lock core is all separated up and down with health; Just can key, make its straight-tooth drive the tooth on lock core and drive lock core and rotate, and drive to stir in flakes thereafter to receive in the lock house and reach the purpose of unblanking

The beneficial effect of the utility model is: lock core is hidden in the lock body and lock core does not have tooth, lock core marble design pore-forming, and keyhole is located at the lock core below, makes key drive straight-tooth in it and rotates and drive lock core and rotate to reach and unblank.Simple in structure, practicality, convenient.

Description of drawings:

Following structure accompanying drawing and embodiment further specify the utility model:

Figure one is: the utility model lock core is hidden the right vertical profile constructional drawing of theftproof lock

Figure two is: the utility model lock core is hidden the front view of theftproof lock

Figure number: title

1, band tooth lock core

2, alignment pin

3, spring

4, lock spring (top)

5, screw

6, straight-tooth

7, key

8, mounting screw

9, lock body

10, lock spring (below)

11, lock core marble

The specific embodiment:

Change straight-tooth 6 over to the keyhole rear, and, make straight-tooth transmission flexibly at present with screw 5 location; Lock spring 10 is designed to the countersunk head shape, and makes itself and lock core cylinder fit in integral body with respectively changing two or many pellets shot from a slingshot 11 in the lock core 1 over to, and easily freedom is slided within it simultaneously; Locate with cylinder alignment pin 2 back,, transmission and don't come off flexibly in fact; Pack at last lock spring 4 and pellet shot from a slingshot 3, with rivet in fact spring and pellet shot from a slingshot do not fallen by bullet, can install on the cervicals orifice of uterus through mounting screw 8 after the lock body assembled; This keyhole is designed to circular hole, and key 7 adopts cylinder, and is designed to around the cylinder skewed slot its every pellet shot from a slingshot corresponding position; Every pellet shot from a slingshot position deep mixed around the cylinder skewed slot; But each is identical around the skewed slot weight of cylinder, and the key tip design becomes the triangle diamond hole and cooperate with straight-tooth 6 and can when key, drive straight-tooth 6 to rotate, and all the while breaks off with lock body when unblanking, must to insert the pellet shot from a slingshot both sides that corresponding key just can make every pellet shot from a slingshot under the cooperation of key skewed slot, make to establish in the lock core; Ability key 7 drives straight-tooth 6 rotates its lock core 1, gives up interior the receipts and reaches the purpose of unblanking thereby make its brace stir lock.When key around arbitrary place of cylinder skewed slot and pellet shot from a slingshot require the degree of depth undesirable the time; Cross dark then lock core marble below the pressure lower part of its spring gets in lock body 9 holes like the key skewed slot; And the part pellet shot from a slingshot of lock body 9 tops gets into lock core hole just can not make key turns; If the skewed slot of key is shallow excessively, then can make the pellet shot from a slingshot part of lock body 9 belows under the effect of its key, get into lock core hole, also make the interior pellet shot from a slingshot of lock core hole partly get into pellet shot from a slingshot hole, lock body 9 top simultaneously; Thereby connect, equally also can not make its rotation.Certainly key set in its pellet shot from a slingshot corresponding position when the cylinder skewed slot degree of depth does not match, the triangle rhombus of key prescription can drive straight-tooth and make its lock core rotate plectrum, can open lock, and is indispensable.Characteristics that Here it is unblanks and technology innovation part.In sum; The utility model lock core is hidden theftproof lock and can be realized; Compared with prior art, its advance is that keyhole not in lock core, has lock core and is hidden in lock body; Lock core marble hole to advantage such as logical make general purpose tool can not get into lock core easily free call on sb. else's expense through illegal means unblank, thereby reach the purpose of antitheft.

Claims (1)

1. a lock core is hidden theftproof lock; Be that lock core is hidden in the lock body, and keyhole design is below lock core, it is characterized in that: keyhole is designed to circular hole; Key (7) adopts cylinder; And be designed to around the cylinder skewed slot its every pellet shot from a slingshot corresponding position, every pellet shot from a slingshot position deep mixed around the cylinder skewed slot, but each is identical around the skewed slot weight of cylinder.

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