CN201162392Y - Integration type no-load operation anti-theft lock and key - Google Patents

Abstract

The utility model relates to an integrated idle anti-theft core and a key which are characterized in that an integrated middle sleeve and an inner core sleeve which can rotate are arranged between the outer sleeve and the inner core of the lock core; retaining bond slots used for embedding an outer retaining bond and an inner retaining bond are respectively arranged on the outer sleeve, the integrated middle sleeve as well as the circumference walls of the inner core sleeve and the inner core on the corresponding positions; a retaining bond spring is arranged on the outer sleeve or the circumference wall of the integrated middle sleeve; the free end of the spring is penetrated and arranged in a through hole arranged in the outer retaining bond; the inside of the inner core is provided with a marble slot and a spring hole which are communicated with a key hole and the retaining bond slot; the axes part of the inner core is provided with the key hole the section shape of which is in a Z shape and the key matched with the lock core; the unlocking cog of the key is arranged at the two side surfaces of the body of the key. The lock core adopts an idle lock core structure, can effectively prevent the damage of drilling and improve the safety performance of the lockset; a plurality of marbles are arranged; the circulating number of the key is large; the mutual opening rate is low; the integrated idle anti-theft core can be matched with a plurality of lock bodies for use.

Description

Integrated form idle running anti-theft lock core and key

Technical field

The utility model belongs to lock technology field, is specially adapted to supporting integrated form idle running anti-theft lock core and the keys of general lock body such as door lock and U type lock.

Background technology

In technique known, lockset commonly used mostly is a cylinder lock, generally is made up of lock body and lock core.Lock body is an executing agency, and lock core is a controlling organization, and lock core has inner core and overcoat.Lock body is when locking states, and tiny cylinder-shaped marble is positioned at inner core and overcoat cooperates the place, slit, and inner core can not be rotated relative to overcoat.And inner core is the element of unlatching of control lock body and locking.Inner core can not rotate and just make lock body keep the state of locking.If when the chance thief adopted the drilling method to destroy inner core, then inner core was easy to destroyed and loses function, and the cross section of pellet shot from a slingshot is little, be easy to wearing and tearing, so can not preventing drilling, conventional lock cylinders destroys, its theftproof performance is low.In addition, be used for the supporting key of cylinder lock and adopt monolithic zigzag key mostly, very easily prepare, even dial the twist lock inner core, can unblank with a slice substance.Have plenty of at the teeth and the gathering sill position of key and take some structural measures, but still have the mutual opening rate height and copy easier defective.At present, disclosed various locks on the market are in the improvement that all has aspect pellet shot from a slingshot arrangement and the Key structure in various degree, arc structure is taked in the key body cross section that for example has, the key that the multiform shape of three tooth punchings is also arranged is though anti-theft effect improves to some extent complex manufacturing technology.Along with the development of social science and technology, the high iq crime constantly increases, and the theft technology is also more ingenious, and therefore the anti-theft effect of present various locksets is still undesirable.

The utility model content

The purpose of this utility model provides and a kind ofly can prevent that drilling from destroying, and improves the lockset theftproof performance, and mutual opening rate is low, and can effectively avoid integrated form idle running anti-theft lock core and the key copied.

Realize that the technical scheme that the purpose of this utility model is taked is: be provided with rotating integrated middle cover and inner core cover between the overcoat of this lock core and the inner core, overcoat and integrated in the cover circumferential wall on be arranged with the blocking key groove that is used for block key outside the setting-in, with be arranged with the blocking key groove that is used for block key in the setting-in on the circumferential wall of the inner core cover of its correspondence position and inner core, overcoat or integrated in the cover circumferential wall on be provided with the block key spring groove, the block key spring is housed in the groove, the free end of this spring is installed in the through hole that is provided with on the outer block key, the inside of inner core is provided with shell fragment groove and the spring eye that is communicated with keyhole and blocking key groove, it is Z-shaped keyhole that its axis part is provided with cross sectional shape, with the supporting key of lock core for directly tabular, its teeth of unblanking are arranged on the two sides of key body.

The external part of described integrated middle cover is the connector equipped with lock body.

Described shell fragment groove and spring eye are 6～12, divide two groups of symmetric arrays on the inner core external cylindrical surface, in each shell fragment groove and in the spring eye shell fragment and spring are housed all.

One side of described shell fragment has the V-shaped groove that cooperates with interior block key.

Described block key spring is a tadpole shape helical spring.

The teeth of unblanking of described key are the boss shape, and the edge of boss is the broken line shape with lock core shell fragment corresponding matching.

Integrated form idle running anti-theft lock core and key according to such scheme is made have the following advantages:

(1) novel structure, member utilizations such as integrated middle cover, key, sheet shell fragment and tadpole shape helical spring in the lock core structure are ingenious.

(2) theftproof performance is good, and the two sides tooth punching of key can reduce the wearing and tearing of key bit, can increase key and copy difficulty and dial the lock difficulty, 12 groups of shell fragment groups, arrangement scheme are many, and the overlapping rate is low to moderate nearly 1/500000000th, unique idle rotation lock master structure makes to bore to lock to steal to be difficult for succeeding.

(3) this lock core functional performance is good, and the shell fragment of setting is many, and the period of key is big, and Duplication is low, and wrong-unlocking rate is zero.And applied widely, can with the supporting use of multiple lock body, be applicable to safe-guard door lock, common door lock and various U-shaped lock.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is the Key structure schematic diagram that matches with embodiment 1 lock core;

Fig. 3 is the cross-sectional view of embodiment 1 blocking;

Fig. 4 is the cross-sectional view of embodiment 1 unlocking condition;

Fig. 5 is the structural representation of the utility model embodiment 2;

Fig. 6 is the Key structure schematic diagram that matches with embodiment 2 lock cores;

Fig. 7 is the cross-sectional view of embodiment 2 blockings;

Fig. 8 is the cross-sectional view of embodiment 2 unlocking conditions.

The specific embodiment

Referring to Fig. 1, Fig. 3, Fig. 4, it is the integrated form idle running anti-theft lock core of the utility model embodiment 1, be applicable to door lock, comprise overcoat 1, inner core cover 2,, outer block key 3, interior block key 4, inner core 5, integrated in cover 6, rotate plectrum 7, shell fragment groove 8, block key spring groove 9, pin 10, lock core capping 11, keyhole 12, spring 13, shell fragment 14, block key spring 15, each member consists of a whole lock core.Wherein, cover 6 and inner core cover 2 are sleeved between overcoat 1 and the inner core 5 in integrated, and it is rotatable, overcoat 1 and integrated in be arranged with blocking key groove on cover 6 the circumferential wall, be used for the outer block key 3 of setting-in, be arranged with blocking key groove on the inner core cover 2 corresponding and the circumferential wall of inner core 5, be used for block key 4 in the setting-in with its position.Be provided with block key spring groove 9 on the circumferential wall of cover 6 in integrated, block key spring 14 is housed in the groove, what this spring adopted is tadpole shape helical spring, and its free end is installed in the through hole that is provided with on the outer block key 3.The external part of cover 6 is the connector equipped with lock body in integrated, is connected with rotation plectrum 7.It is Z-shaped keyhole 12 that the axis part of inner core 5 is provided with cross sectional shape, is used for plug-in mounting key 16, and the inside of inner core 5 is provided with 6～12 groups of shell fragment grooves 8 and spring eye 13-1, divides two groups of symmetric arrays on the external cylindrical surface of inner core 5.Shell fragment groove 8 is communicated with keyhole and blocking key groove, and shell fragment 14 and spring 13 are housed respectively in shell fragment groove 8 and the spring eye, and a side of shell fragment 14 has the V-shaped groove 14-1 that cooperates with interior block key 4, and an end of lock core is equipped with lock core capping 11 by pin 10.

Referring to Fig. 5, Fig. 7, Fig. 8, it is the integrated form idle running anti-theft lock core of the utility model embodiment 2, be applicable to automobile-used U-shape lock, basic identical with the structure of embodiment 1, its difference is, block key spring groove 9 is located on the circumferential wall of overcoat 1, and the free end of block key spring 15 is installed in the through hole that is provided with on the outer block key 3, and inner core 5 afterbodys are equipped with to stretch out outside the lock core and with square toes by dividing plate 17 dials the middle cover square toes 18 that tongue 19 is connected.

When unblanking, key 16 can be inserted in the keyhole 12 of inner core 5, the teeth of unblanking 16-1 contacts shell fragment 14 and makes it mobile, V-shaped groove 14-1 on the shell fragment 14 is corresponding with the position of interior block key 4, the pressure effect of 4 block keys 3 outside block key spring 15 reaches of interior block key is lowered in the groove, the blocking key groove that outer block key 3 breaks away from the overcoat 1, key 16, inner core 5, inner core cover 2 and integrated in 18 of cover 6 or middle cover square toes rotate with key 16, and drive group tongue 19 or plectrum 7 rotations, promptly reach the purpose of unlatching.After extracting key 16, inner core 5 can revolve three-sixth turn, is idling conditions.

When shutting, key 16 is extracted in keyhole 12, shell fragment 14 moves under the return pressure of spring 13,4 V-shaped groove 14-1 that break away from the shell fragment 14 of interior block key, and promote outer block key 3 and move to centrifugal direction, outer block key 3 enters in the blocking key groove of overcoat 1, and its extension is arranged in the blocking key groove of integrated cover 6, and integrated middle cover 6 is connected and fixed with overcoat 1.At this moment, outer block key 3 breaks away from inner core cover 2 under the promotion of interior block key 4, can freely rotate mutually.As meet stealer drilling lock core, then inner core 5 and inner core cover 2 can dally with drill bit, make it can't reach the purpose of destroying lock core.

Referring to Fig. 2, Fig. 6, be the key 16 that matches with integrated form idle running anti-theft lock core, this key is for directly tabular, the teeth 16-1 that unblanks on it is arranged on the two sides of key body, the teeth of unblanking 16-1 is the boss shape, and the edge of boss is a broken line shape, can with shell fragment 14 corresponding matching.This key two sides gets final product the jack-up block key as long as there are two pairs of teeth to cooperate with shell fragment suitably respectively, the purpose that realization is unblanked, so can reduce the mutual opening rate of key greatly.

Claims (6)

1, a kind of integrated form idle running anti-theft lock core and key, it is characterized in that: be provided with rotating integrated middle cover and inner core cover between the overcoat of this lock core and the inner core, overcoat and integrated in the cover circumferential wall on be arranged with the blocking key groove that is used for block key outside the setting-in, with be arranged with the blocking key groove that is used for block key in the setting-in on the circumferential wall of the inner core cover of its correspondence position and inner core, overcoat or integrated in the cover circumferential wall on be provided with the block key spring groove, the block key spring is housed in the groove, the free end of this spring is installed in the through hole that is provided with on the outer block key, the inside of inner core is provided with shell fragment groove and the spring eye that is communicated with keyhole and blocking key groove, it is Z-shaped keyhole that its axis part is provided with cross sectional shape, with the supporting key of lock core for directly tabular, its teeth of unblanking are arranged on the two sides of key body.

2, integrated form idle running anti-theft lock core according to claim 1 and key is characterized in that: the external part of described integrated middle cover is the connector equipped with lock body.

3, integrated form idle running anti-theft lock core according to claim 1 and key is characterized in that: described shell fragment groove and spring eye are 6～12, divide two groups of symmetric arrays on the inner core external cylindrical surface, in each shell fragment groove and in the spring eye shell fragment and spring are housed all.

4, integrated form idle running anti-theft lock core according to claim 3 and key is characterized in that: a side of described shell fragment has the V-shaped groove that cooperates with interior block key.

5, integrated form idle running anti-theft lock core according to claim 1 and key is characterized in that: described block key spring is a tadpole shape helical spring.

6, integrated form idle running anti-theft lock core according to claim 1 and key is characterized in that: the teeth of unblanking of described key are the boss shape, and the edge of boss is the broken line shape with lock core shell fragment corresponding matching.

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