CN2306294Y

CN2306294Y - Cylinder lock

Info

Publication number: CN2306294Y
Application number: CN 97232546
Authority: CN
Inventors: 张景浦
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-04-08
Filing date: 1997-04-08
Publication date: 1999-02-03
Anticipated expiration: 2007-04-08

Abstract

The utility model relates to a spring lock which solves the defects that the existing spring lock is easily opened by thieves, a key is easily duplicated, and the change of tooth shapes is little. The utility model is characterized in that springs are arranged in a lock head and a lock core, a sliding blade with a handle is used as the key and arranged in a sliding blade slot of a key box, and two tooth beams are arranged on the sliding blade; hinge points and tooth beam hinge points are respectively hinged on the sliding blade by two support sheets and arranged on a plurality of symmetrical positions of the tooth beams, and springs are correspondingly arranged on the two tooth beams; roll balls on the bottom ends of the tooth beams are clamped in a sliding slot, a plurality of key teeth are arranged on the tooth beams, and outlets are arranged on both sides of the key box. The utility model has the advantages of high safety, low rate of mutual unlocking, etc.; the utility model can used for various spring locks.

Description

A kind of cylinder lock

The utility model relates to a kind of cylinder lock, particularly a kind of the need with key operated pellet shot from a slingshot kayser, padlock and other lock class.

In the background technology, the structure of pellet shot from a slingshot kayser generally is: dead bolt is set on the lock body, the lock core of band keyhole is set in the tapered end, be provided with several pellet shot from a slingshot holes in the tapered end, all be provided with contraction spring and pellet shot from a slingshot in each hole.During unlatching, the toothed key of one side inserts from the keyhole of lock core, key bit make each with it the tapered end pellet shot from a slingshot of length complementation be on the interface of lock core and tapered end socket, thereby rotational lock core is handled the dead bolt motion and is realized the unlatching effect.Obviously, the cylinder lock of this structure exists some open defects like this: the one, easily pushed aside from keyhole by general-purpose key and other sticker; The 2nd, key bit exposes easily to be stolen by mould joins; The 3rd, shaped as key bit is with low uncertainty, the mutual opening rate height.

The purpose of this utility model is exactly to adopt a kind of cylinder lock of new-type structure to solve the above-mentioned defective of existing in prior technology.

The technical solution of the utility model is such: a kind of cylinder lock, dead bolt is set on the lock body, tapered end, the lock core of band keyhole is set in the tapered end, set key in the keyhole, be provided with two rows or row's pellet shot from a slingshot hole in the tapered end, in each hole near the lock core part tapered end pellet shot from a slingshot is set, the another part in hole is provided with contraction spring, with in the lock core hole that it communicates the different lock core marble of length is set, but key is the rectangle slide plate of band handle is arranged at longitudinal sliding motion in the key case vane slot, handle stretches out outside the box, two tooth beams are set on the vertical surface of rectangle slide plate, be articulated in pin joint on the rectangle slide plate center line and the pin joint on the tooth beam collapsing the support sheet on several symmetric positions respectively by 2 between two tooth beams, on other some symmetric positions of two tooth beams some springs are set also, the ball of tooth beam bottom is fastened in the ball spout of key case bottom surface and can laterally slides, article two, stationary arrangement and the corresponding key bit of lock core marble number or on tooth beam, key bit length and tapered end pellet shot from a slingshot and core pellet shot from a slingshot length sum complementary and when key bit is strutted fully all lock core marbles and tapered end pellet shot from a slingshot contact surface be on the interface of lock core and tapered end socket, offer on the two sides of key case or the side and corresponding the portalling of key bit number, this shape of portalling differs from the lock core marble cross sectional shape to guarantee key bit and can enter in the lock core hole and the lock core marble lock core hole of can not overflowing, involution lid on the key case.Wherein, the cross sectional shape of keyhole and the key case that cooperates with it is designed to different geometry to guarantee lower mutual opening rate between the lock; Adjusting lock core marble is the different unlatching error of radian to determine to lock with tapered end pellet shot from a slingshot contact surface.

Advantage and good effect that the utility model had are: the first, owing to adopt tapered end, the double composite pellet of lock core to avoid stealing the possibility of pushing lock aside, improved the safety of lock; The second, key bit closes and is hidden in the box and the length of tooth, the radian and the pellet shot from a slingshot of contact surface advance amplitude ever-changing, is difficult for being stolen by the tooth mould by the people and having increased the difficulty of stealing bitting; The 3rd, because the length of key bit, adjustment lock core marble and tapered end pellet shot from a slingshot contact surface radian determine to open the variation of precision, pellet shot from a slingshot propelling amplitude, add the variation in key and keyhole cross section, make to exist the possibility of identical key almost not have between every lock, greatly reduce the mutual opening rate of lock.

The utility model description of drawings is as follows:

Fig. 1 is an axonometric drawing of the present utility model

Fig. 2 is the state diagram when not using of the utility model key

Fig. 3 is key of the present utility model state diagram when using

Theory structure schematic diagram when Fig. 4 is the utility model opening

Fig. 5 is the key case sectional elevation.

Below with embodiment the utility model is further elaborated: embodiment: with reference to figure 1,2,3,4,5, dead bolt 2 and tapered end 3 are set on the lock body 1, the lock core 4 of band rectangle keyhole is set in the tapered end 3, set the key that the cross section is a rectangle in the keyhole, be provided with two row's pellet shot from a slingshot holes in the tapered end, every round is 8, tapered end pellet shot from a slingshot 20 and contraction spring 21 are set in the hole, with in the lock core hole that it communicates the different lock core marble of length 19 is set, but being the rectangle slide plate 12 of band handle 5, key is arranged at longitudinal sliding motions in the vane slot 23 of key case 6, handle 5 stretches out outside the box, on the key case by rivet hole 7 involution key lids 8, two tooth beams 10 are set on the vertical surface of rectangle slide plate, article two, collapse support sheet 17 by 2 respectively on two of the tooth beam positions and be articulated in pin joint 15 on the rectangle slide plate center line and the hinge 16 on each tooth beam, article two, on the correspondence position spring 14 is set in the middle of the tooth beam, ball 11 on the tooth beam bottom is fastened on ball grooves 18 interior can laterally slips of key case bottom surface, 8 key bits 9 of stationary arrangement on the tooth beam, key bit length and lock core marble and tapered end pellet shot from a slingshot length sum complementary and when key bit is strutted fully all tapered end pellets shot from a slingshot and lock core marble contact surface be on the interface 22 of tapered end and lock core socket, offer 8 on the two sides of key case 6 and semicircularly portal 13, after lock cuts out, key as shown in Figure 2, key bit is hidden in the key case, and the tapered end pellet shot from a slingshot stretches into lock core can not be rotated relatively with tapered end; During unlatching, key inserted in the keyhole with the hand push handle is sliding inwards stretch, slide plate drives two tooth beams separately by collapsing the support sheet, key bit on the tooth beam is leant out in two side holes, the lock core marble of the corresponding complementary length of each self compaction and tapered end pellet shot from a slingshot are on the interface of lock core and tapered end socket all lock core marbles and tapered end pellet shot from a slingshot contact surface, promoting the lock core rotation again opens lock, if keyhole is become other geometry with the key case Cross section Design, the contact surface radian shape of tapered end pellet shot from a slingshot and lock core marble is done any adjustment to determine the unlatching error of lock, any adjustment of adding pellet shot from a slingshot number and length can make lock ever-changing, mutual opening rate is very low, on the other hand, key also is difficult for stolen group or steal and to press the tooth mould, has improved the security performance of lock greatly.

Claims

1. cylinder lock, dead bolt (2) is set on the lock body (1), tapered end (3), the lock core (4) of band keyhole is set in the tapered end (3), set key in the keyhole, be provided with two rows or row's pellet shot from a slingshot hole in the tapered end, in each hole near the lock core part the different tapered end pellet shot from a slingshot of length (20) is set, the another part in hole is provided with contraction spring (21), it is characterized in that with lock core hole that it communicates in the different lock core marble of length (19) is set, key be the band handle (5) rectangle slide plate (12) be arranged at key case (6) vane slot (23) but in longitudinal sliding motion, handle (5) stretches out outside the box, rectangle slide plate (12) vertically is provided with two tooth beams (10) on the surface, article two, collapse support sheet (17) by 2 respectively on several symmetric positions between the tooth beam and be articulated in pin joint (15) on the rectangle slide plate center line and the pin joint (16) on the tooth beam, on other some correspondence positions of two tooth beams some springs (14) are set, the ball (11) of tooth beam bottom is fastened in the ball spout (18) of key case bottom surface and can laterally slides, the stationary arrangement key bit (9) corresponding with lock core marble (19) number on two or the tooth beam.The length of key bit and tapered end pellet shot from a slingshot and lock core marble length sum complementary and when key bit is strutted fully all lock core marbles and tapered end pellet shot from a slingshot contact surface be on the critical surface (22) of lock core and tapered end, offer and corresponding the portalling of key bit number (13) involution key lid (8) on the key case on the both sides of key case (6) or the side.

2. according to the described a kind of cylinder lock of claim 1, it is characterized in that the key bit on the key case portals (13) shape differs from lock core marble (19) cross sectional shape to guarantee key bit and can enter in the lock core hole and the lock core marble lock core hole of can not overflowing.

3. according to claim 1 or 2 described a kind of cylinder locks, it is characterized in that keyhole and key case (6) shape of cross section that cooperates with it are lower mutual opening rate between different geometry is locked with assurance.

4. according to claim 1 or 2 described a kind of cylinder locks, it is characterized in that adjusting lock core marble (19) is that different radians are to determine the unlatching error of lock with tapered end pellet shot from a slingshot (20) contact surface.

5. according to the described a kind of cylinder lock of claim 3, it is characterized in that adjusting lock core marble (19) is that different radians are to determine the unlatching error of lock with tapered end pellet shot from a slingshot (20) contact surface.