CN2301501Y - Combined sectional layer-operated cylinder lock - Google Patents

Abstract

The utility model relates to a combined sectional layer-operated cylinder lock, which is composed of an outer sleeve, a middle sleeve, and a lock core. The lock core can not be rotated. The locking screw section of a key is provided with a shaft sleeve which is arranged on a spindle which is arranged between the front section of the key and a handle. The front section of the key is matched with a slot which is arranged at the bottom part of the middle sleeve. Even if a cylinder is shifted out with high means, the lock core and the middle sleeve can not be rotated. The utility model has the performance of high opening of technology prevention. If the lock core is treated in a hardening way, the utility model has the performance of drill prevention, and therefore, the utility model has the strong performance of theft protection.

Description

The ball lock head of combined type staged and layered control

The utility model relates to a kind of cylinder lock.

Tapered end is the control assembly of lockset, and in order to improve the anti-stealing safety performance of lockset, locking industry and relevant researcher manage to improve strong intensity of tapered end invariably both at home and abroad, secrecy and anti-group, anti-drilling performance.Existing lockset mostly adopts special-shaped pellet shot from a slingshot, arranges pellet shot from a slingshot more, " S " type key and install the performance that anti-drill pin or anti-drilling sheet or the like way is improved ball lock head additional.However, present cylinder lock still exists the following defective that is difficult to avoid, and influences its theftproof performance.The tapered end of existing lockset mainly is made of lock core and overcoat two parts, lock core and the outer pellet shot from a slingshot hole that is provided with in correspondence with each other with coupling that puts, in shoot son and spring; Its key is integral type, and pellet shot from a slingshot coincide and promptly forms a shear line in key tooth flower and lock core, and this moment, available key drove the lock core rotation, and link gears such as lock core drivening rod are opened lock.Existing cylinder lock can be opened lockset with the method for technical unlocking at an easy rate, as long as by unlocking tool, as manual, electric agitator, master key or plectrum, be aided with skilled gimmick and skill, make pellet shot from a slingshot produce suitable displacement, can take advantage of other's power lock to be opened with regard to power ground rotational lock core.According to authoritative department, both having made is that many row's pellets shot from a slingshot can be opened too.Thereby anti-technical opening ability that we can say existing cylinder lock head is very limited.

The purpose of this utility model provides a kind of ball lock head of combined type staged and layered control, this tapered end is established intermediate sleeve between lock core and overcoat, lock core and overcoat are fixing not rotatable, this lock is established combined type segmentation action key, its stage casing is provided with axle sleeve and is loaded on the mandrel between handle portion and the front end, the tartar control lock core in stage casing and the pellet shot from a slingshot action in the intermediate sleeve, to reach the unlatching of intermediate sleeve, in front end places intermediate sleeve behind the end slot, drive front end and intermediate sleeve rotation by the shank of the key, intermediate sleeve drives link gear opens lockset.This lock pin is fixed, and is not rotatable, has only intermediate sleeve to rotate lockset is opened.Therefore use other instrument outside this lock key, both made pellet shot from a slingshot is pushed aside, instrument is rotated, more intermediate sleeve is rotated and reach the unlatching of lock, the anti-technical opening ability of lockset can greatly have been improved.

The ball lock head of the utility model combined type staged and layered control is achieved in that this tapered end has lock core, overcoat, pellet shot from a slingshot, spring, it is characterized in that, be provided with intermediate sleeve between lock core and the overcoat, intermediate sleeve is provided with the pellet shot from a slingshot hole with overcoat and lock core coupling, in shoot son, bottom, intermediate sleeve the inner is provided with the slot with key leading portion coupling, and be provided with connecting rod, pass in the through hole of this connecting rod by jacket bottom; With lock core with apply mechanically dowel fixes outward; Combined type segmentation action key is set, its tartar section is provided with axle sleeve, the key leading portion has mandrel and handle affixed, tartar section axle sleeve is loaded on this mandrel, the slot coupling of key leading portion and intermediate sleeve bottom, the length of leading portion should equate with socket depth, when connecting rod is positioned at slot, should be bottom land with the connecting rod end face.

The ball lock head of this combined type staged and layered control, when unblanking, combined type segmentation action key is inserted in the keyhole of lock core, the leading portion of key is inserted in the slot of intermediate sleeve bottom, the pellet shot from a slingshot of the tartar section in key stage casing and lock core coincide at this moment, and make the outer face of the pellet shot from a slingshot in the intermediate sleeve and intermediate sleeve cylindrical on a shear line, intermediate sleeve is rotating unlatching shape, shear line between key leading portion and the tartar section and the bottom surface in the intermediate sleeve are on a Plane of rotation at this moment, turning handle, mandrel drives the rotation of key front end, front end drives the connecting rod rotation on intermediate sleeve and the intermediate sleeve, because of lock core and overcoat are fixed together, lock core is motionless, and the tartar section of key is connected by mandrel with handle with front end, still maintains static in lock core.Connecting rod is stirred appropriate authority opens lockset.When the lockset locking, intermediate sleeve resets, the pellet shot from a slingshot hole that overcoat, intermediate sleeve, three of lock cores put in correspondence with each other, pellet shot from a slingshot also recovers the locking shape.This lock pin is fixed together with overcoat, and is not rotatable, has only intermediate sleeve to rotate lockset is opened.Intermediate sleeve is rotated middle part that then must make unlocking tool and cooperating that pellet shot from a slingshot is done to stipulate, the slot of the front end of instrument and intermediate sleeve bottom coincide simultaneously, and length is consistent with socket depth, adds the front end of instrument and must do shearing rotation with its middle part, just can open lockset.Thereby the unlocking tool that will find and make alternative this lock key almost is impossible.Both used high super gimmick to push pellet shot from a slingshot aside, unlocking tool is rotated in lock, more can not make the intermediate sleeve rotation and reach the unlatching of lock.If stir pellet shot from a slingshot with an instrument, then can't insert the instrument that other stirs intermediate sleeve again in the keyhole confined space.Thereby this lockset has greatly improved the anti-technical opening ability of lockset.Adopt steel to quench as lock core, then lockset can have good anti-drilling performance.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the overall structure schematic diagram of the ball lock head of this combined type staged and layered control

Fig. 2 is the structural representation of this lock combined type segmentation action key

Fig. 3 is the intermediate sleeve structural representation of this lock

Fig. 4 is the cross section cut-away view of combined type segmentation action key

As Fig. 1, Fig. 2, shown in Figure 3, this lockset has formations such as lock core 2, overcoat 4, pellet shot from a slingshot 22,41 little springs 44, big spring 45, technology stifled 43, it is characterized in that, be provided with intermediate sleeve 3 between lock core and the overcoat, intermediate sleeve is provided with the pellet shot from a slingshot hole 34 with overcoat and lock core coupling, in shoot son 31, bottom, intermediate sleeve the inner is provided with the slot 35 with key leading portion coupling, and be provided with connecting rod 33, and this connecting rod can be loaded in the intermediate sleeve crank-guide way 36, and connecting rod is by passing in the jacket bottom through hole; With lock core with to apply mechanically pinning 45 outward fixing; Combined type segmentation action key 1, its tartar section 12 is provided with axle sleeve 13, and key leading portion 15 has mandrel 14 and handle 11 affixed, tartar section axle sleeve is loaded on this mandrel, slot 35 couplings of key leading portion and intermediate sleeve bottom, the length of leading portion should equate with socket depth, slot with the connecting rod end face as bottom land.

As one of embodiment, the outer face of lock core can be made flange plate-like end face, this end face covers in the end face of intermediate sleeve and overcoat.Like this, the lock core of making of steel can play the effect of good anti-drilling, anti-strong destruction after cure process, and its effect outclass installs anti-drill pin or anti-drilling sheet.As two of embodiment, can be in lock core, intermediate sleeve, lay telescopic pellet shot from a slingshot in the pellet shot from a slingshot hole of overcoat, promptly sleeved at the pellet shot from a slingshot overcoat.As shown in Figure 1, the sleeve pellet shot from a slingshot is added by pellet shot from a slingshot 22 that sleeve 21, pellet shot from a slingshot 31 add sleeve 32, pellet shot from a slingshot 41 adds sleeve 42 and constitutes.When using the sleeve pellet shot from a slingshot, the key tooth flower section can be offered the convex-concave hole 16 towards pellet shot from a slingshot vertically, as shown in Figure 4, the sleeve pellet shot from a slingshot has further improved the anti-of lockset and has dialled performance, if the dial sleeve pellet shot from a slingshot works, works if dial marble sleeve, not contour as if dialling the two entirely, so be difficult to push aside.Unless the said structure of this lock makes it use this novel key to open, not only dialled motionless but also do not bored the strong again new marble lock tool that theftproof performance is strong.

Claims (3)

1, a kind of ball lock head of combined type staged and layered control, have lock core, overcoat, pellet shot from a slingshot, spring, it is characterized in that: be provided with intermediate sleeve between lock core and the overcoat, intermediate sleeve is provided with the pellet shot from a slingshot hole with overcoat and lock core coupling, in shoot son, bottom, intermediate sleeve the inner is provided with the slot with key leading portion coupling, and is provided with connecting rod, passes in the through hole of this connecting rod by jacket bottom; With lock core with apply mechanically dowel fixes outward; Combined type segmentation action key is set, its tartar section is provided with axle sleeve, the key leading portion has mandrel and handle affixed, tartar section axle sleeve is loaded on this mandrel, the slot coupling of key leading portion and intermediate sleeve bottom, the length of leading portion should equate with socket depth, when connecting rod is positioned at slot, should be bottom land with the connecting rod end face.

2, the ball lock head of combined type staged and layered control according to claim 1, it is characterized in that: flange plate-like end face is made in the outer face of lock core, and this end face covers the end face of intermediate sleeve and overcoat.

3, the ball lock head of combined type staged and layered control according to claim 1, it is characterized in that: lay telescopic pellet shot from a slingshot in the pellet shot from a slingshot hole of lock core, intermediate sleeve, overcoat, promptly sleeved at the pellet shot from a slingshot overcoat, the key tooth flower section is offered the convex-concave hole towards pellet shot from a slingshot vertically.

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