CN2778993Y

CN2778993Y - Prizing-proof lock with countercheck marble

Info

Publication number: CN2778993Y
Application number: CN 200520089520
Authority: CN
Inventors: 杨会臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-04
Filing date: 2005-03-04
Publication date: 2006-05-10
Anticipated expiration: 2015-03-04

Abstract

The utility model relates to a prizing-proof lock with a countercheck marbles, which is provided with a marble lock and a key, wherein the lock is provided with an outer fastigiate knot and an inner column, and the shaft lines of marbles are perpendicular to the long edge of the mouth of a key hole. N pairs of marbles are abutted against the side face of the key hole, and the contact faces of 1-(N-1) pairs of marbles among (N-1) pairs of cylindric marbles closed to the mouth of the key hole are on the interface of the outer fastigiate knot and the inner column. Concave pits which are matched with the marbles and have different depth are arranged on the plane surface of the key, and the concave pits which are cooperated with the marbles of which the contact faces are on the interface of the outer fastigiate knot and the inner column are through holes; the front end of the plane surface of the key with different-depth concave pits is a slope. Marbles in each opposite circular hole of the utility model are abutted against the side face of the key hole of which the inner is difficult insert steel wires with bend hooks or other picklocks, and the inner of the key hole is provided with prizing-proof countercheck marbles, so the inner of the key hole can not be inserted with steel wires with bend hooks or other picklocks for prying away the lock. The utility model has the advantage of favorable prizing-proof performance.

Description

Has the pick-proof lock that stops pellet shot from a slingshot

Technical field

The utility model relates to the interior pellet shot from a slingshot and the key of tapered end of a kind of cylinder lock, particularly a kind of cylinder lock.

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, keyhole is flat hole, the tail end of inner cylinder has cam or drags sheet, on the surface of inner cylinder, arrange radially circular hole vertically, radially circular hole communicates with the axial key hole, the axis of circular hole is parallel with the long limit in key aperture, the cylinder-shaped marble that a different length is arranged respectively in each circular hole, inwall at cylindrical bundle knot axially also has row's quantity, diameter and the identical relative radially circular hole of difference of radially circular hole on the inner cylinder, a helical spring and a cylinder-shaped marble are arranged respectively in each circular hole, cylinder-shaped marble in the cylindrical bundle knot embeds in the circular hole of inner cylinder in helical spring effect next part, inner cylinder is box-uped, can not in cylindrical bundle knot, rotate, key is a flat piece shape, the different breach of the depth that matches with the cylinder-shaped marble of above-mentioned different length is arranged on the side of flat piece shape 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 the cylinder-shaped marble jack-up in above-mentioned each circular hole, the contact surface that makes two pellets shot from a slingshot in cylindrical bundle knot and the inner cylinder is on the interface of cylindrical bundle knot and inner cylinder, 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.The pellet shot from a slingshot of this cylinder lock is not to be against on the bottom surface of keyhole, when key does not insert in the keyhole, the contact surface of a pair of pellet shot from a slingshot in cylindrical bundle knot and each the relative circular hole on the inner cylinder be not the cylindrical bundle tie and the interface of inner cylinder on, so can insert steel wire or other picklock in the keyhole lock is pried open with crotch.

Summary of the invention

The purpose of this utility model is in order to overcome above-mentioned deficiency, proposes can not insert in a kind of keyhole steel wire with crotch or other picklock and a kind ofly has the pick-proof lock that stops pellet shot from a slingshot to what lock was pried open.

The utility model is realized with the following method.

Have the pick-proof lock that stops pellet shot from a slingshot ball lock head and key are arranged, 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, keyhole is flat hole, the tail end of inner cylinder has cam or drags sheet, N radially circular hole arranged on the surface of inner cylinder vertically, N is 2,3,4,5 or 6, radially circular hole communicates with the axial key hole, the axis of circular hole is vertical with the long limit in key aperture, the cylinder-shaped marble that a different length is arranged respectively in each circular hole, on the axial relevant position of inwall of cylindrical bundle knot, quantity is arranged also, diameter and the identical relative radially circular hole of difference of radially circular hole on the inner cylinder, the cylinder-shaped marble that a helical spring and a different length are arranged respectively in each circular hole, the inner of pellet shot from a slingshot in each relative circular hole is to be against on the side of keyhole, in the cylinder-shaped marble in the radially circular hole in the cylindrical bundle knot near (N-1) the individual cylinder-shaped marble in key aperture have 1～(N-1) individual cylinder-shaped marble under helical spring effect with inner cylinder in the contact surface of cylinder-shaped marble on the interface of cylindrical bundle knot and inner cylinder, the degree of depth of the radially circular hole that the length that 1～(N-1) individual (N-1) individual cylinder-shaped marble near the key aperture just arranged in the cylinder-shaped marble in the inner cylinder and inner cylinder are interior is identical, remaining cylinder-shaped marble part embeds in the circular hole of inner cylinder, key is a flat piece shape, the different pit of the depth that matches with the cylinder-shaped marble of above-mentioned different length is arranged on the plane of flat piece shape key, in the pit, the pit that matches with 1～(N-1) the individual cylinder-shaped marble of above-mentioned contact surface on the interface of cylindrical bundle knot and inner cylinder is penetrating hole, and it is the slope that the key flat front end of the different pits of the depth is arranged.

During use, key is inserted in the keyhole, is penetrating hole to the cylinder-shaped marble of contact surface on the interface of cylindrical bundle knot and inner cylinder because of the pit that matches on the key plane near 1～(N-1) of key aperture, after being held up, cylinder-shaped marble returns to original position again, so above-mentioned 1～(N-1) still keeps in touch face on the interface of cylindrical bundle knot and inner cylinder to cylinder-shaped marble, remaining the every pair cylinder-shaped marble has under the effect of key of the different pit of the depth in the plane by jack-up, make its contact surface on the interface of cylindrical bundle knot and inner cylinder, 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 the door lock that is connected.

The axis of relative radially circular hole is vertical with the long limit in key aperture in the utility model cylindrical bundle knot and the inner cylinder, and the pellet shot from a slingshot in each relative circular hole is to be against on the side of keyhole, and the interior very difficult insertion of keyhole has steel wire or other picklock of crotch; Have in the cylinder-shaped marble in the radially circular hole in the cylindrical bundle knot 1～(N-1) the individual cylinder-shaped marble that comprises near the cylinder-shaped marble in key aperture under helical spring effect with inner cylinder in cylinder-shaped marble contact surface the cylindrical bundle tie and the interface of inner cylinder on, after the keyhole insertion has the steel wire or other picklock of crotch, the contact surface of 1～(N-1) individual cylinder-shaped marble in the above-mentioned inner cylinder can leave the interface of cylindrical bundle knot and inner cylinder, inner cylinder is box-uped can not rotate, and 1～(N-1) individual cylinder-shaped marble in the above-mentioned inner cylinder is the equal of that the pick-proof in keyhole stops pellet shot from a slingshot.So can not insert steel wire or other picklock with crotch in the keyhole of the present utility model lock is pried open, the pick-proof performance of this lock is good.

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

Description of drawings

Fig. 1 is that master with the pick-proof lock that stops pellet shot from a slingshot looks and partly cuts open schematic diagram;

Fig. 2 is that the A of Fig. 1 is to schematic diagram;

Fig. 3 is the schematic diagram of the B of Fig. 1 to key;

Fig. 4 is the C-C generalized section of Fig. 1;

Fig. 5 is that the Figure 1A at keyhole medial surface keyhole place that anti-side sled boss or step are arranged is to schematic diagram;

Fig. 6 is the C-C generalized section of Fig. 1 of the key that matches with keyhole among Fig. 5;

Fig. 7 is that key inserts the master with the pick-proof lock that stops pellet shot from a slingshot behind the keyhole and looks and partly cut open schematic diagram;

Fig. 8 is the side-looking generalized section with cylindrical bundle knot of additional pellet shot from a slingshot;

Fig. 9 is a schematic top plan view of tying the key that matches with the cylindrical bundle with additional pellet shot from a slingshot;

Figure 10 is the D-D generalized section of Fig. 8.

The specific embodiment

Fig. 1, Fig. 2, Fig. 3, Fig. 4, among Fig. 7, have the pick-proof lock that stops pellet shot from a slingshot ball lock head 1 and key 2 are arranged, tapered end has a cylindrical bundle knot 3, there is one to tie the parallel inner cylinder 4 of axis in the cylindrical bundle knot with the cylindrical bundle, inside at inner cylinder has keyhole 5 vertically, keyhole is flat hole, the tail end of inner cylinder has cam or drags sheet 6, five radially circular holes 7 are arranged on the surface of inner cylinder vertically, radially circular hole communicates with the axial key hole, the axis of circular hole is vertical with the long limit in key aperture, the cylindrical pellet shot from a slingshot 8 down that a different length is arranged respectively in each circular hole, on the axial relevant position of inwall of cylindrical bundle knot, quantity is arranged, diameter and the identical relative radially circular hole 9 of difference of radially circular hole on the inner cylinder, the cylindrical pellet shot from a slingshot 11 of going up that a helical spring 10 and a different length are arranged respectively in each circular hole, cylindrical pellet shot from a slingshot down in each relative circular hole is against on the side 27 of keyhole because of the effect of spring force, close key aperture in the radially circular hole in the cylindrical bundle knot cylindrical go up pellet shot from a slingshot under helical spring effect with inner cylinder in cylindrical pellet shot from a slingshot down contact surface 12 the cylindrical bundle tie and the interface of inner cylinder on, remaining cylindrical pellet shot from a slingshot part that goes up embeds in the circular hole of inner cylinder, key is a flat piece shape, the different pit 17 of the depth that matches with the cylinder-shaped marble of above-mentioned different length is arranged on the plane 16 of flat piece shape key, in the pit, the pit that matches with the cylinder-shaped marble in close key aperture is penetrating hole 18, and it is slope 19 that the flat front end of the key of the different pits of the depth is arranged.

Walk around pick-proof for the steel wire that prevents to have crotch or other picklock and stop that pellet shot from a slingshot stops that from pick-proof the side of pellet shot from a slingshot enters keyhole and pries open other pellet shot from a slingshot and realize picking lock, the boss or the step of anti-side sled are arranged on the side in keyhole, groove or the step that matches can be arranged accordingly on the key.

Among Fig. 5, Fig. 6, the boss 25 or the step 26 of anti-side sled arranged on the side in the keyhole, that matches has groove 14 or the step 15 that matches on the key.

Above-mentioned cylindrical bundle with the pick-proof lock that stops pellet shot from a slingshot only includes the one group of pellet shot from a slingshot that stops pellet shot from a slingshot in tying, and the different pit of the depth that matches with pellet shot from a slingshot is arranged on the plane of flat piece shape key.In order further to improve the safety of pick-proof lock, in cylindrical bundle knot, can also have with the axis of above-mentioned one group of pellet shot from a slingshot perpendicular with prior art in the cylindrical bundle of the lock identical additional pellet shot from a slingshot of one group of pellet shot from a slingshot in tying, additional pellet shot from a slingshot can have one group also can have two groups, has on the side of corresponding key and the identical different breach of the depth that matches with above-mentioned additional pellet shot from a slingshot of key in the prior art.

Among Fig. 8, Fig. 9, Figure 10, have to have in the cylindrical bundle knot 13 of the pick-proof lock that stops pellet shot from a slingshot and include the one group of pellet shot from a slingshot 20 that stops pellet shot from a slingshot, also have two groups of additional pellets shot from a

slingshot

21,22 in the cylindrical bundle knot, the

different breach

23,24 of the depth that matches with above-mentioned additional pellet shot from a slingshot is arranged on two sides of key with matching.

Claims

1. one kind has the pick-proof lock that stops pellet shot from a slingshot, ball lock head and key are arranged, 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, keyhole is flat hole, the tail end of inner cylinder has cam or drags sheet, N radially circular hole arranged on the surface of inner cylinder vertically, N is 2,3,4,5 or 6, radial hole communicates with the axial key hole, the cylinder-shaped marble that a different length is arranged respectively in each circular hole, on the axial relevant position of inwall of cylindrical bundle knot, quantity is arranged also, diameter and the identical relative radially circular hole of difference of radially circular hole on the inner cylinder, the cylinder-shaped marble that a helical spring and a different length are arranged respectively in each circular hole, key is a flat piece shape, it is characterized in that: radially the axis of circular hole is vertical with the long limit in key aperture, the inner of cylinder-shaped marble in each relative circular hole is to be against on the side of keyhole, in the cylinder-shaped marble in the radially circular hole in the cylindrical bundle knot near (N-1) the individual cylinder-shaped marble in key aperture have 1～(N-1) individual cylinder-shaped marble under helical spring effect with inner cylinder in the contact surface of cylinder-shaped marble on the interface of cylindrical bundle knot and inner cylinder, remaining cylinder-shaped marble part embeds in the circular hole of inner cylinder, the different pit of the depth that matches with the cylinder-shaped marble of above-mentioned different length is arranged on the plane of flat piece shape key, in the pit, the pit that matches with 1～(N-1) the individual cylinder-shaped marble of above-mentioned contact surface on the interface of cylindrical bundle knot and inner cylinder is penetrating hole, and it is the slope that the flat front end of the key of the different pits of the depth is arranged.

2. have a pick-proof lock that stops pellet shot from a slingshot by claim 1 is described, it is characterized in that: boss or step are arranged in the described keyhole, the groove or the step that match are arranged on the key.

3. describedly has a pick-proof lock that stops pellet shot from a slingshot by claim 1 or 2, it is characterized in that: also have one group or the two group additional pellets shot from a slingshot perpendicular in the described outer round Shu Jie, on a side of corresponding key or two sides the different breach of the depth that matches with above-mentioned additional pellet shot from a slingshot is arranged with the axis of above-mentioned pellet shot from a slingshot.