CN2801990Y

CN2801990Y - Double-cylinder anti-pick lock

Info

Publication number: CN2801990Y
Application number: CN 200520091055
Authority: CN
Inventors: 李殿祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-31
Filing date: 2005-05-31
Publication date: 2006-08-02
Anticipated expiration: 2015-05-31

Abstract

The utility model relates to a double-knot anti-pick lock which is provided with a front and a back outer fastigiate knots of which the shaft lines are in the same straight line, wherein the inner of each outer fastigiate knot is separately provided with a front and a back inner column, and key holes communicated with each other are arranged in the front and the back inner columns along an axial direction. A row of radial cylinder holes communicated with the key holes are arranged on the surface of the columns along axial directions, and the inner of each hole is provided with a columnar marble; the inner walls of the outer fastigiate knots are provided with a row of relatively radial marble holes along axial directions, and the inner of each hole is provided with a spring and a marble. A part of the marble is inserted into a circular hole of the column under the action of the spiral spring, and the front and the back outer fastigiate knots are connected by screw nails or adhesives. The utility model is provided with the front and the back sets of shaft lines and is matched with the inner columns, the marbles and the outer fastigiate knots of the springs in the straight line, and the back inner column can not rotate unless using a key; the utility model can not pried away by flat-head bend hooks and steel wires with bend hooks or other similar picklocks with hooks in the prior art. The utility model has the advantages of simple structure and favorable anti-pick performance, and the utility model is easily used for reforming the existing lock.

Description

The binode anti-prizing type lock

Technical field

The utility model relates to the cylindrical bundle knot of a kind of tapered end of cylinder lock, particularly a kind of cylinder lock head and the inner cylinder in the cylindrical bundle knot.

Background technology

Cylinder lock has tapered end and key.Tapered end has a cylindrical bundle knot, there is one to tie the parallel inner cylinder of axis in the cylindrical bundle knot with the cylindrical bundle, inside at inner cylinder has keyhole vertically, the tail end of inner cylinder has snap ring and cam or drags sheet, on the surface of inner cylinder, arrange radially pellet shot from a slingshot hole vertically, radially the pellet shot from a slingshot hole communicates with the axial key hole, each radially has the cylinder-shaped marble of a different length in the pellet shot from a slingshot hole respectively, inwall at cylindrical bundle knot axially also has row's quantity, the relative radially pellet shot from a slingshot hole of difference that diameter is identical with the radially pellet shot from a slingshot hole on the inner cylinder, each radially has a helical spring and a cylinder-shaped marble respectively in the pellet shot from a slingshot hole, when in keyhole, not inserting key, cylinder-shaped marble in the cylindrical bundle knot embeds in the radially pellet shot from a slingshot hole of inner cylinder in helical spring effect next part, inner cylinder is box-uped, and can not rotate in cylindrical bundle knot.The different breach of the depth that matches with the cylinder-shaped marble of above-mentioned different length is arranged on the side of key, and it is slope shape that the side front end of the different breach of the depth is arranged.After key inserts keyhole, breach on the key side is each cylinder-shaped marble jack-up in the pellet shot from a slingshot hole radially of inner cylinder, make the contact surface one of two pellets shot from a slingshot in cylindrical bundle knot and the inner cylinder flat and the cylindrical bundle tie and the interface of inner cylinder on, inner cylinder just can rotate in cylindrical bundle knot, stretches by the cam of tail end or the dead bolt that drags sheet to stir its door lock that connects.This cylinder lock has only a cylindrical bundle knot, the people of picking lock can be without key, crotch with a homalocephalus is inserted in the lockhole limit, the moment that inner cylinder is rotated, in addition the pellet shot from a slingshot that can stir inner cylinder in the hook picklock insertion keyhole is similarly arranged with a steel wire with crotch or other, under rotating torque, pellet shot from a slingshot jack-up one by one, allow two pellets shot from a slingshot in cylindrical bundle knot and the inner cylinder contact surface the cylindrical bundle tie and the interface of inner cylinder on, inner cylinder is rotated in cylindrical bundle knot, be easy to a lock and pry open.In order to prevent to pry open cylinder lock with said method, in the prior art, Chinese patent ZL 02 2 74984.5 discloses a kind of twin-lock core safety lock, before having in the cylindrical bundle knot of twin-lock core safety lock, latter two inner cylinder, purpose is when picking lock, because of being prized, the back cylinder moment of being rotated do not unblank, the preceding inner cylinder of this twin-lock core safety lock is difficult for being fixedly mounted in the cylindrical bundle knot, as adopt the method for bound edge that preceding inner cylinder is installed in the cylindrical bundle knot, when being arranged, people's picking lock is easy to bound edge is pried open, pellet shot from a slingshot before moving flat again between inner cylinder and the cylindrical bundle knot, inner cylinder before taking out, and then move flat back inner cylinder and the cylindrical bundle pellet shot from a slingshot between tying, lock is pried open.

Summary of the invention

The purpose of this utility model is in order to overcome above-mentioned deficiency, to propose a kind of preceding inner cylinder and can be fixedly mounted in the interior a kind of binode anti-prizing type lock of cylindrical bundle knot.

The utility model is realized with the following method.

Before the binode anti-prizing type lock has, the cylindrical bundle knot of latter two axis on same straight line, before, have respectively in latter two cylindrical bundle knot parallel with cylindrical bundle knot axis before, back inner cylinder, before, the axis of back inner cylinder is on same straight line, before, the inside of back inner cylinder has the keyhole that communicates vertically, before, the rear end that back inner cylinder stretches out cylindrical bundle knot has snap ring respectively, the tail end of back inner cylinder is connected with the flexible cam of the dead bolt that is used to stir its door lock that connects or drags sheet, preceding, radially pellet shot from a slingshot hole is arranged respectively on latter two cylindrical surface vertically, radially the pellet shot from a slingshot hole communicates with the axial key hole, each radially has the cylinder-shaped marble of a different length in the pellet shot from a slingshot hole respectively, preceding, the inwall of latter two cylindrical bundle knot also has quantity vertically, diameter is respectively with preceding, radially pellet shot from a slingshot hole on the back inner cylinder is identical, relative respectively radially pellet shot from a slingshot hole, each radially has helical spring and cylinder-shaped marble respectively in the pellet shot from a slingshot hole, cylinder-shaped marble in the cylindrical bundle knot embeds in the circular hole of inner cylinder in helical spring effect next part, and is preceding, latter two cylindrical bundle knot is to link to each other or link to each other with the adhesive adhesion with screw.

Before the utility model has, the two groups of axis in back are combined with inner cylinder and pellet shot from a slingshot on same straight line, spring cylindrical bundle knot, with above-mentioned homalocephalus crotch with have the steel wire of crotch or other is when similarly having hook picklock picking lock, inner cylinder before can only making in the cylindrical bundle knot rotates, the moment that inner cylinder in the cylindrical bundle knot of back is rotated, promptly enable the contact surface of pellet shot from a slingshot is pushed on the interface of cylindrical bundle knot and inner cylinder, inner cylinder is rotated, before, before the rear end that back inner cylinder stretches out cylindrical bundle knot has respectively, back snap ring, preceding, back inner cylinder can be fixedly mounted in the cylindrical bundle knot.So similarly have the hook picklock can not pry open the utility model with the homalocephalus crotch in the above-mentioned prior art and the steel wire with crotch or other.But the utility model adapted and the identical key of Key structure in the prior art.Be easy to the improvement cost utility model with the tapered end in the prior art.

Below in conjunction with accompanying drawing, the utility model is further described.

Description of drawings

Fig. 1 is that the master of binode anti-prizing type lock looks and partly cuts open schematic diagram.

Fig. 2 is that the master of binode anti-prizing type lock looks disassembled form and partly cuts open schematic diagram.

Fig. 3 is that the master with the binode anti-prizing type lock of the existing tapered end transformation of the way looks disassembled form and partly cuts open schematic diagram.

The specific embodiment

Fig. 1, among Fig. 2, before the binode anti-prizing type lock has, the cylindrical bundle knot 1 of latter two axis on same straight line, 2, before, have respectively in latter two cylindrical bundle knot parallel with cylindrical bundle knot axis before, back

inner cylinder

3,4, before, the axis of back inner cylinder is on same straight line, before, the inside of back inner cylinder has the keyhole 5 that communicates vertically, 6, before, the rear end that back inner cylinder stretches out cylindrical bundle knot has snap ring 17 respectively, the tail end of back inner cylinder is connected with the flexible cam of the dead bolt that is used to stir its door lock that connects or drags sheet 7, on preceding cylindrical surface, have one to arrange five radially pellet shot from a slingshot holes 8 vertically respectively, on cylindrical surface, back, have one to arrange two radially pellet shot from a slingshot holes 9 vertically respectively, radially the pellet shot from a slingshot hole communicates with the axial key hole, each radially has the cylinder-shaped marble 10 of a different length in the pellet shot from a slingshot hole respectively, inwall at preceding cylindrical bundle knot has five relative radially pellet shot from a slingshot holes 11 of difference that diameter is identical with the radially pellet shot from a slingshot hole on the preceding inner cylinder respectively of a row vertically, inwall at back cylindrical bundle knot has two relative radially pellet shot from a slingshot holes 12 of difference that diameter is identical with the radially pellet shot from a slingshot hole on the preceding inner cylinder respectively of a row vertically, each radially has helical spring 13 and cylinder-shaped marble 14 respectively in the pellet shot from a slingshot hole, cylinder-shaped marble in the cylindrical bundle knot embeds in the circular hole of inner cylinder in helical spring effect next part, and is preceding, latter two cylindrical bundle knot is to link to each other or link to each other with adhesive with screw.

Before above-mentioned on the surface of inner cylinder and the inwall of preceding cylindrical bundle knot vertically one arrange radially that the pellet shot from a slingshot hole also can be 3,4 or 6, the inwall that on the surface of back inner cylinder and back cylindrical bundle is tied vertically one arrange radially that the pellet shot from a slingshot hole also can be 1,3 or 4.

On the surface that above-mentioned binode anti-prizing type lock is an inner cylinder and the inwall of cylindrical bundle knot have only along one axial one and arrange radially pellet shot from a slingshot hole, on one side the key of this binode anti-prizing type lock adapted is the key that plate shape has tooth.Inwall with cylindrical bundle knot on the surface of binode anti-prizing type lock inner cylinder also can be the axial circular hole of two rows, the three axial circular holes of row or the axial circular hole of four rows that has respectively vertically, pellet shot from a slingshot and spring are arranged in the circular hole, and the key of corresponding adapted is respectively that both sides have tooth, three limits to have tooth or four limits that the key of tooth is arranged.

The binode anti-prizing type lock also is easy to form with the tapered end transformation in the prior art.

Among Fig. 3, former and later two cylindrical bundle knots that inner cylinder is arranged are to form with 15,16 transformations of the way of two tapered ends in the prior art, the concave station 20 that can hold inner cylinder termination 18 and snap ring 19 is determined in preceding cylindrical bundle knot rear end at tapered end 16, and correspondingly inner cylinder is also changed system into cylindrical bundle knot isometric; The back cylindrical bundle knot of tapered end 15 is to use one section.

Claims

1. binode anti-prizing type lock, it is characterized in that: before having, the cylindrical bundle knot of latter two axis on same straight line, before, have respectively in latter two cylindrical bundle knot parallel with cylindrical bundle knot axis before, back inner cylinder, before, the axis of back inner cylinder is on same straight line, before, the inside of back inner cylinder has the keyhole that communicates vertically, before, the rear end that back inner cylinder stretches out cylindrical bundle knot has snap ring respectively, the tail end of back inner cylinder is connected with the flexible cam of the dead bolt that is used to stir its door lock that connects or drags sheet, preceding, radially pellet shot from a slingshot hole is arranged respectively on latter two cylindrical surface vertically, radially the pellet shot from a slingshot hole communicates with the axial key hole, each radially has the cylinder-shaped marble of a different length in the pellet shot from a slingshot hole respectively, preceding, the inwall of latter two cylindrical bundle knot also has quantity vertically, diameter is respectively with preceding, radially pellet shot from a slingshot hole on the back inner cylinder is identical, relative respectively radially pellet shot from a slingshot hole, each radially has helical spring and cylinder-shaped marble respectively in the pellet shot from a slingshot hole, cylinder-shaped marble in the cylindrical bundle knot embeds in the circular hole of inner cylinder in helical spring effect next part, and is preceding, latter two cylindrical bundle knot is to link to each other or link to each other with adhesive with screw.

2. by the described binode anti-prizing type lock of claim 1, it is characterized in that: on the surface of inner cylinder and the inwall radially pellet shot from a slingshot hole vertically of preceding cylindrical bundle knot is 3,4,5 or 6 before described, the inwall that on the surface of back inner cylinder and back cylindrical bundle is tied vertically one arrange radially that the pellet shot from a slingshot hole also can be 1,2,3 or 4.

3. by the described binode anti-prizing type lock of claim 1, it is characterized in that: on the surface of inner cylinder and the inwall radially pellet shot from a slingshot hole vertically of preceding cylindrical bundle knot is 5 before described, and the inwall radially pellet shot from a slingshot hole vertically of on the surface of back inner cylinder and back cylindrical bundle knot also can be 2.

4. by claim 1,2 or 3 described binode anti-prizing type locks, it is characterized in that: on the surface of described inner cylinder and cylindrical bundle knot inwall vertically radially pellet shot from a slingshot hole be a row, two rows, three row or four rows.