CN201546505U

CN201546505U - Multi-section type cylindrical pin lock

Info

Publication number: CN201546505U
Application number: CN2009201831793U
Authority: CN
Inventors: 邱绍钻
Original assignee: 邱绍钻
Priority date: 2009-10-10
Filing date: 2009-10-10
Publication date: 2010-08-11
Anticipated expiration: 2019-10-10

Abstract

The utility model relates to a multi-section type cylindrical pin lock, which comprises a lock casing, a lock cylinder and a shifting fork linked with the lock cylinder. A keyhole is formed on an axis of the lock cylinder. The multi-section type cylindrical pin lock is characterized in that the lock cylinder comprises a front section, an intermediate section and a rear section; corresponding radial cylindrical pin holes are formed on the lock core at the front section and the intermediate section and the lock casing and are matched with radial cylindrical pins and springs; two to four radial cylindrical pin holes are formed on a contact surface of the lock cylinder at the intermediate section and the rear section and are matched with axial cylindrical pins and springs, wherein the springs are pivoted in to the axial cylindrical pin holes of the lock cylinder at the rear section; the axial cylindrical pins in the lock cylinder on the intermediate section can be supported against the end part of a front key; a rear key is positioned in the lock cylinder at the rear section and can jack up the radial cylindrical pins in the lock cylinder on the intermediate lock cylinder; and the shifting fork is lined with the lock core at the intermediate section. With the subsection design for the lock cylinder, the difficulty in technically unlocking can be increased and the lock cylinder at the intermediate section cannot be unlocked even if the lock cylinder is pried; and in addition, the lock cylinder can be positioned by the radial cylindrical pins and the axial cylindrical pins, so that the axial cylindrical pins and the radial cylindrical pins are difficult to simultaneously compress by a vibration method and other methods.

Description

A kind of multi-section tumbler lock

Technical field:

The utility model 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 housing, 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 housing 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 on the interface that pellet shot from a slingshot is in lock housing 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 housing 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 be opened by technical.How to increase lock core shaft to locking promptly become the object of the utility model research.

Summary of the invention:

The purpose of this utility model is that a kind of lock core of design is a segmental structure, is provided with the multi-section tumbler lock of axial cylinder in lock core one segmentation place.

Technical solutions of the utility model are achieved in that a kind of multi-section tumbler lock, include lock housing, lock core, the shift fork of lock core interlock, offer corresponding radially pellet shot from a slingshot hole on lock housing 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 passes for key on the lock core axis, before it is characterized in that lock core is divided into, in, three sections of backs, preceding, offer corresponding radially pellet shot from a slingshot hole on the lock core in stage casing and the lock housing, 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, be positioned with a back key in the back segment lock core, back key energy jacking plays radially pellet shot from a slingshot, shift fork and the interlock of stage casing lock core in the lock core of stage casing.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.

Described axial cylinder hole has a groove that is communicated with the key eye for the cylindrical hole side direction, axial cylinder be cylindric side direction disjunctor have one can be conflicted by preceding key end 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 utlity model 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 utility model is described further:

Fig. 1 multi-section tumbler lock outside drawing

Fig. 2 multi-section tumbler lock partly cuts open schematic diagram

Fig. 3 lock core part schematic diagram

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 housing 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 housing 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 passes for key on section lock core 2,3,4 axis, and supporting have one before a key 9 and a back key 91.Before, offer corresponding radially pellet shot from a slingshot hole 11 on stage casing lock core 2,3 and the lock housing 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.

As Fig. 6, stage casing lock core and back segment lock core fitting face concern exploded view, axial cylinder hole 41 has the groove 42 of a connection key eye for the cylindrical hole side direction, axial cylinder 7 for cylindric side direction disjunctor have one can be conflicted by preceding key 9 ends and side handle 71, like this can be at four axial cylinders 7 of lock core end face distribution, 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 energy jackings play the radially pellet shot from a slingshot 6 in the stage casing lock core 3, and back key 91 is exclusively used in the effect of an interior open and close lock.Back segment lock core 4 offers an elongated slot 43 by an end of stage casing lock core 3, back key 91 both sides disjunctors have flank 92, this flank 92 can slide front and back in elongated slot 43, one reseting spring sleeve 93 is located at back segment lock core 4 slotted lines, withstand on 92 of back segment lock core 4 and flanks, this back-moving spring 93 remains the trend that back key 91 inserts in the stage casing lock core 3, 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, preceding key 9 front ends that insert head on key 91 ends, back in advance, to back down behind the key 91 of back, the top of its front end is to axial cylinder 7 after putting in place, other parts promptly hold up radially pellet shot from a slingshot 6, make 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. multi-section tumbler lock, include lock housing, lock core, the shift fork of lock core interlock, offer corresponding radially pellet shot from a slingshot hole on lock housing 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 passes for key on the lock core axis, before it is characterized in that lock core is divided into, in, three sections of backs, preceding, offer corresponding radially pellet shot from a slingshot hole on the lock core in stage casing and the lock housing, 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, is positioned with a back key in the back segment lock core, back key energy jacking plays radially pellet shot from a slingshot, shift fork and the interlock of stage casing lock core in the lock core of stage casing.

2. a kind of multi-section tumbler lock according to claim 1 is characterized in that the axial cylinder hole has a groove that is communicated with the key eye for the cylindrical hole side direction, axial cylinder be cylindric side direction disjunctor have one can be conflicted by preceding key end and the side handle.

3. a kind of multi-section tumbler lock according to claim 1 is characterized in that radially the 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.

4. a kind of multi-section tumbler lock according to claim 1, it is characterized in that the back segment lock core offers an elongated slot by an end of stage casing lock core, back key both sides disjunctor has flank, this flank can slide front and back in elongated slot, one 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 trend in the lock core of key insertion stage casing, back.