CN101694136B

CN101694136B - Multi-section tumbler lock

Info

Publication number: CN101694136B
Application number: CN200910112605A
Authority: CN
Inventors: 邱绍钻
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-09
Filing date: 2009-10-09
Publication date: 2012-08-29
Anticipated expiration: 2029-10-09
Also published as: CN101694136A

Abstract

The invention relates to a multi-section tumbler lock which comprises a lock case, a lock core and a shifting fork linked with the lock core, wherein a keyhole is arranged on a central axle line of the lock core. The multi-section tumbler lock is characterized in that the lock core is divided into a front section, a middle section and a rear section, wherein the front-section lock core, the middle-section lock core and the lock case are provided with corresponding radial pin holes and also provided with radial pins and springs in a matching way, a contact surface of the middle-section lock core and the rear-section lock core are provided with two to four axial pin holes and also provided with axial pins and springs in a matching way, wherein the springs are pivotally arranged in the axial pin holes of the rear-section lock core, the axial pins positioned in the middle-section lock core can be pushed by the end part of a front key, a rear key is positioned in the rear-section lock core and can support the radial pins in the middle-section lock core, and the shifting fork and the middle-section lock core are linked. by adopting the sectional design of the lock core, the technical unlocking difficulty is increased, the middle-section lock core is difficult to be unlocked even if the front-section lock core is pried,; and due to the radial and axial positioning of the pins, the axial pins and the radial pins are difficult to be compressed simultaneously even by using vibration and other methods.

Description

A kind of multi-section tumbler lock

Technical field:

The present invention relates to a kind of mechanical billiard lockset, especially a kind of multi-section tumbler lock.

Background technology:

The mechanical type cylinder lock has the characteristics of high reliability, and present stage, also rational structure can be not alternative with it more.Cylinder lock set includes lock shell, lock core, reaches the shift fork by the lock core interlock, and this shift fork can be stirred dead bolt and realize locking or unlocking action.Lock shell and lock core radially offer corresponding pellet shot from a slingshot hole respectively, in the pellet shot from a slingshot hole, be equipped with a pellet shot from a slingshot and a spring, spring remains pellet shot from a slingshot and is on the interface of locking shell and lock core cylinder.Lock core shaft after supporting key insertion, can hold up pellet shot from a slingshot to offering keyhole, makes that pellet shot from a slingshot contact surface and lock core and lock shell interface are smooth, can the action of rotational lock core shift fork.Because the pellet shot from a slingshot of traditional lock cylinder is radially, no matter is single or symmetrical four rows, all is easy to opened by technical.How to increase lock core shaft to locking promptly become the object of the present invention research.

Summary of the invention:

The objective of the invention is to invent a kind of lock core is segmental structure, is provided with the multi-section tumbler lock of axial cylinder in lock core one segmentation place.

Technical scheme of the present invention is achieved in that a kind of multi-section tumbler lock, includes the shift fork of lock shell, lock core, lock core interlock, offers corresponding radially pellet shot from a slingshot hole on lock shell and the lock core; And pellet shot from a slingshot and spring be installed in the pellet shot from a slingshot hole; Offer the key eye that supplies key to pass on the lock core axis, it is characterized in that lock core be divided into before, during and after three sections, on the lock core in preceding, stage casing and lock shell, offer corresponding radially pellet shot from a slingshot hole; And be equipped with radially pellet shot from a slingshot and spring; In, offer two to four axial axial cylinder holes on the contact surface of back segment lock core, and be equipped with axial cylinder and spring, its medi-spring is hubbed in the back segment lock core axial cylinder hole; The axial cylinder that is in the lock core of stage casing can be reached by preceding key end conflict; There is a back key location in the back segment lock core, and back key can play the radially pellet shot from a slingshot in the lock core of stage casing by jacking, shift fork and the interlock of stage casing lock core.The lock core segment design has increased the difficulty of skilled unlocking, even the leading portion lock core is prized, also is difficult to open the stage casing lock core, and it has radial and axial pellet shot from a slingshot location, with ways such as vibration also be difficult to axial cylinder and radially pellet shot from a slingshot compress simultaneously.

Said axial cylinder hole for the cylindrical hole side direction have one be communicated with the key eye groove, axial cylinder be cylindric side direction disjunctor have one can by preceding key end conflict and the side handle.The cooperation of key end gets final product the driving axial pellet shot from a slingshot before utilizing, and the axial cylinder of this structure is programmable thicker, also increases destructive difficulty of unblanking.

The present invention has reasonable in design; Not only have radially pellet shot from a slingshot, set up the axial cylinder of stage casing lock core and back segment lock core again, improve the difficulty that existing cylinder lock destructiveness is unblanked greatly; Even the leading portion lock core is prized, also be difficult to use with the same sheet metal of key the stage casing lock core is prized; Vibrating type skilled unlocking mode also is difficult to radial and axial pellet shot from a slingshot is compressed simultaneously, has mechanical performance preferably.

Description of drawings:

Below in conjunction with concrete legend the present invention is further specified:

Fig. 1 multi-section tumbler lock outside drawing

Fig. 2 multi-section tumbler lock partly cuts open sketch map

Fig. 3 lock core part sketch map

Key and back segment lock core graph of a relation behind Fig. 4

Key and back key graph of a relation before Fig. 5

Fig. 6 stage casing lock core and back segment lock core concern exploded view

Wherein

1-lock shell 11-is pellet shot from a slingshot hole 2-leading portion lock core radially

Lock core 4-back segment lock core 41-axial cylinder hole, 3-stage casing

42-groove 43-elongated slot 5-shift fork

6-is pellet shot from a slingshot 61-spring 62-cambered surface radially

7-axial cylinder 71-side handle 8-key eye

Key 92-flank behind the key 91-before the 9-

The 93-back-moving spring

The specific embodiment:

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6; A kind of multi-section tumbler lock; Include the shift fork 5 of lock shell 1, leading portion lock core 2, stage casing lock core 3, back segment lock core 4 and 3 interlocks of stage casing lock core; Before, during and after offer the key eye 8 that supplies key to pass on

section lock core

2,3,4 axis, and supporting have one before a key 9 and a back key 91.Before, stage

casing lock core

2,3 and lock offer corresponding radially pellet shot from a slingshot hole 11 on the shell 1, and be equipped with radially pellet shot from a slingshot 6 and spring 61; In, offer two to four axial axial cylinder holes 41 on the contact surface of back segment lock core 3,4, and be equipped with axial cylinder 7 and spring 61, its medi-spring 61 is hubbed in the back segment lock core 4 axial cylinder holes 41.

Like Fig. 6; Stage casing lock core and back segment lock core fitting face concern exploded view; Axial cylinder hole 41 for the cylindrical hole side direction have one be communicated with the key eye groove 42, axial cylinder 7 for cylindric side direction disjunctor have one can by preceding key 9 ends conflict and side handle 71, like this can be at lock core end face four axial cylinders 7 that distribute; And axial cylinder is cylindric thicker, increases anti-twisting property.Certainly also can only establish two axial cylinders, during this structure, axial cylinder 7 need not to be with the side handle, directly is column structure.But the minimizing of axial cylinder number has also reduced the cipher code set number.The axial cylinder 7 that is in the stage casing lock core 3 can be reached by the conflict of preceding key 9 ends.

With reference to Fig. 2 and Fig. 4, back key 91 is positioned in the back segment lock core 4, and back key 91 can play the radially pellet shot from a slingshot 6 in the stage casing lock core 3 by jacking, and back key 91 is exclusively used in the effect of an interior open and close lock.Back segment lock core 4 leans on an end of stage casing lock core 3 to offer an elongated slot 43; Back key 91 both sides disjunctors have flank 92; This flank 92 can slide front and back in elongated slot 43, and a reseting spring sleeve 93 is located at back segment lock core 4 slotted lines, withstands on 92 of back segment lock core 4 and flanks; This back-moving spring 93 remains the trend in the key 91 insertion stage casing lock cores 3 of back, offers convenience for opening and closing in the door.

With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4; Radially pellet shot from a slingshot hole 11 is a square structure, and supporting with it radially pellet shot from a slingshot 6 is a square column type, and radially the conflict face of two pellets shot from a slingshot is the cambered surface 62 identical with the lock core external diameter; The pellet shot from a slingshot rotation can be reduced like this, the difficulty of skilled unlocking can be increased.

With reference to Fig. 5; This structured lock core is when unblanking outdoors, and preceding key 9 front ends of insertion head on key 91 ends, back in advance, will back down behind the key 91 of back; The top of its front end is to axial cylinder 7 after putting in place; Other part promptly holds up radially pellet shot from a slingshot 6, makes that the pellet shot from a slingshot on the both direction is untied, and rotary locking cylinder can be opened dead bolt by shift fork 5.

Claims

1. a multi-section tumbler lock includes the shift fork of locking shell, lock core, lock core interlock, offers corresponding radially pellet shot from a slingshot hole on lock shell and the lock core; And pellet shot from a slingshot and spring are installed in the pellet shot from a slingshot hole, offer the key eye that supplies key to pass on the lock core axis, it is characterized in that lock core be divided into before, during and after three sections; On the lock core in preceding, stage casing and lock shell, offer corresponding radially pellet shot from a slingshot hole, and be equipped with radially pellet shot from a slingshot and spring, in, offer two to four axial axial cylinder holes on the contact surface of back segment lock core; And be equipped with axial cylinder and spring; Its medi-spring is hubbed in the back segment lock core axial cylinder hole, and the axial cylinder that is in the lock core of stage casing can be reached by preceding key end conflict, and there is a back key location in the back segment lock core; Back key can play the radially pellet shot from a slingshot in the lock core of stage casing by jacking, shift fork and the interlock of stage casing lock core; Said axial cylinder hole for the cylindrical hole side direction have one be communicated with the key eye groove, axial cylinder be cylindric side direction disjunctor have one can by preceding key end conflict and the side handle; Said radially pellet shot from a slingshot hole is a square structure, and supporting with it radially pellet shot from a slingshot is a square column type, and radially the conflict face of two pellets shot from a slingshot is the cambered surface identical with the lock core external diameter.

2. a kind of multi-section tumbler lock according to claim 1; It is characterized in that the back segment lock core leans on an end of stage casing lock core to offer an elongated slot; Back key both sides disjunctor has flank, and this flank can slide front and back in elongated slot, and a back-moving spring is set in back segment lock core slotted line; Withstand between back segment lock core and flank, this back-moving spring remains the back key and inserts the trend in the lock core of stage casing.