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CN101446148B - Theft-proof lock core - Google Patents

Theft-proof lock core Download PDF

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Publication number
CN101446148B
CN101446148B CN2009100953603A CN200910095360A CN101446148B CN 101446148 B CN101446148 B CN 101446148B CN 2009100953603 A CN2009100953603 A CN 2009100953603A CN 200910095360 A CN200910095360 A CN 200910095360A CN 101446148 B CN101446148 B CN 101446148B
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CN
China
Prior art keywords
slingshot
pellet shot
fastener
core
cavity volume
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Expired - Fee Related
Application number
CN2009100953603A
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Chinese (zh)
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CN101446148A (en
Inventor
彭海泉
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Individual
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Individual
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Priority to CN2009100953603A priority Critical patent/CN101446148B/en
Publication of CN101446148A publication Critical patent/CN101446148A/en
Application granted granted Critical
Publication of CN101446148B publication Critical patent/CN101446148B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The present invention relates to a lock core, particularly relates to a theft-proof lock core. The technical scheme of the invention is as following: a theft-proof lock core includes a lock case and a lock core which is provided with a plurality of billiards hole in rows, wherein each billiards hole provided with one billiards inside, the lock case is provided with sealing bead and suppress spring, lock bead is provided between the suppress spring and billiards, a loading trough is set on transversal global face of at least one billiards, a locking key is set between lock core and lock case, locking key fits with loading trough on billiards, locking billiards is set inside the billiards hole between lock core and billiards which connects with billiards socket joint and slides along its axial direction, an opening is set on terminal side of locking billiards facing the locking key which fits with lock key and communicates with loading trough on billiards, ball lump is provided between at least one billiards and lock bead, a groove is provided on neighbor face of lock core and lock case which fits with the ball lump. A theft-proof lock core with high security is provided through above technical scheme of the invention.

Description

Anti-theft lock
Technical field
The present invention relates to a kind of lock core, particularly a kind of anti-theft lock.
Background technology
Traditional mechanical lock is generally by the lock shell and be located in the lock shell, and can form along the core that the lock shell rotates.Be axially arranged with the pellet shot from a slingshot hole that several are embarked on journey and arrange along it in the core, correspondence is provided with a pellet shot from a slingshot in each pellet shot from a slingshot hole, is axially arranged with the envelope pearl and compresses spring along it in the lock shell; Compress and be provided with the card pearl between spring and the pellet shot from a slingshot, when reset condition, the end of card pearl places in the lock shell; The other end places in the core, and when key was inserted in the core, tartar on the key made and compresses pellet shot from a slingshot and move axially; When moving to certain position; The card pearl can be ejected core by pellet shot from a slingshot, moves in the lock shell, impels lock shell and core release; This type of latch fitting chooses at random a key then and also is easy to lock is opened if employing steel wire or miscellaneous part insert unlocking port with pellet shot from a slingshot jack-up, makes the security performance of latch fitting reduce, easily by technical unlocking.
Summary of the invention
Deficiency to prior art exists the invention provides a kind of safe anti-theft lock.
Be to realize above-mentioned purpose, the present invention adopts following technical scheme: a kind of anti-theft lock includes the lock shell and is located in the lock shell; And can be axially arranged with the pellet shot from a slingshot hole that several are embarked on journey and arrange along it in the core along the core of lock shell rotation, correspondence is provided with a pellet shot from a slingshot in each pellet shot from a slingshot hole; Be axially arranged with the envelope pearl and compress spring along it in the lock shell, compress and be provided with the card pearl between spring and the pellet shot from a slingshot, it is characterized in that: the horizontal side face of at least one pellet shot from a slingshot is provided with work nest; Be provided with the locking key that fixes both between core and the lock shell; Work nest on this locking key and the pellet shot from a slingshot is adaptive, is provided with the fastener pellet shot from a slingshot along its axial slip in the pellet shot from a slingshot hole, and this fastener pellet shot from a slingshot is located between core and the pellet shot from a slingshot; And connect in succession with marble sleeve; The fastener pellet shot from a slingshot towards the end face of locking key be provided with locking key adaptive and with pellet shot from a slingshot on the opening of work nest conducting, be provided with first steel ball between at least one pellet shot from a slingshot and the card pearl, core is provided with the groove adaptive with this first steel ball with the adjacent veneer of lock shell.
Horizontal side face of at least one pellet shot from a slingshot is provided with work nest in this, is provided with the locking key that fixes both between core and the lock shell, and the work nest on this locking key and the pellet shot from a slingshot is adaptive, and setting can be implemented the locking of core like this; Be provided with fastener pellet shot from a slingshot in the pellet shot from a slingshot hole along its axial slip; This fastener pellet shot from a slingshot is located between core and the pellet shot from a slingshot, and connects in succession with marble sleeve, the fastener pellet shot from a slingshot towards the end face of locking key be provided with locking key adaptive and with pellet shot from a slingshot on the opening of work nest conducting; The pellet shot from a slingshot that is arranged so that of fastener pellet shot from a slingshot has a protection overcoat is arranged; When not having the fastener pellet shot from a slingshot, only needing to adopt finer wire to insert from unlocking port can be with pellet shot from a slingshot jack-up, has installed that then need steel wire be extend into behind the fastener pellet shot from a slingshot could be with pellet shot from a slingshot jack-up in the fastener pellet shot from a slingshot; Improved safety, and simple in structure; Go back among the present invention between at least one pellet shot from a slingshot and the card pearl and be provided with steel ball, core is provided with the groove adaptive with this steel ball with the adjacent veneer of lock shell, is essentially A, B core here, after common cylinder lock combines, has made things convenient for the use of people when finishing.
The present invention further is set to: described pellet shot from a slingshot is established a step in the hole, is provided with back-moving spring between fastener pellet shot from a slingshot and this step.
Establish a step in this middle pellet shot from a slingshot hole, be provided with back-moving spring between fastener pellet shot from a slingshot and this step, being provided with on the one hand like this is after making the work of fastener pellet shot from a slingshot, can reset fast, then is in order to make fastener pellet shot from a slingshot location on the other hand.
The present invention further is set to: described core is provided with cavity volume with the adjacent veneer place of lock shell; This cavity volume and pellet shot from a slingshot hole are vertical setting, and are provided with open-work between cavity volume and the pellet shot from a slingshot hole, and described locking key includes second steel ball and fastener; Second steel ball and fastener place in the cavity volume of core; Said lock shell and this second steel ball corresponding position are provided with the locating hole adaptive with the cambered surface of this second steel ball, and this locating hole penetrates lock shell setting, and fastener passes open-work and inserts opening and the work nest on the pellet shot from a slingshot on the fastener pellet shot from a slingshot; Constitute snap fit, be provided with stage clip between described fastener and the core.
Being provided with in this is simple in structure, compact.
Below in conjunction with accompanying drawing the present invention is further described:
Description of drawings
Fig. 1 is the schematic perspective view of the embodiment of the invention 1;
Fig. 2 is the A-A sectional drawing (the lockup state sketch map of embodiment 1) of Fig. 1;
Fig. 3 is the accurate unlocking condition sketch map of the embodiment of the invention 1;
Fig. 4 is the C-C sectional view of this Fig. 2;
Fig. 5 is the unlocking condition sketch map of the embodiment of the invention 1;
Fig. 6 is the B-B sectional drawing (A, B core insert A key unlocking sketch map) of Fig. 1;
Fig. 7 is for the present invention implements A in 1, the B core inserts B key unlocking sketch map;
Fig. 8 is that A in the embodiment of the invention 1, B core insert B key turns sketch map 1;
Fig. 9 is that A in the embodiment of the invention 1, B core insert B key turns sketch map 2;
Figure 10 is that A in the embodiment of the invention 1, B core insert the sketch map that the A key unlocking lost efficacy;
Figure 11 is the lockup state sketch map of the embodiment of the invention 2;
Figure 12 is the accurate unlocking condition sketch map of the embodiment of the invention 2;
Figure 13 is the D-D sectional view of Figure 11;
Figure 14 is the unlocking condition sketch map of the embodiment of the invention 2;
Figure 15 is the lockup state sketch map of the embodiment of the invention 3;
Figure 16 is the accurate unlocking condition sketch map of the embodiment of the invention 3;
Figure 17 is the unlocking condition sketch map of the embodiment of the invention 3;
Figure 18 is the lockup state sketch map of the embodiment of the invention 4
Figure 19 is the accurate unlocking condition sketch map of the embodiment of the invention 4;
Figure 20 is the unlocking condition sketch map of the embodiment of the invention 4.
The specific embodiment
Like Fig. 1 to a kind of anti-theft lock shown in Figure 5; Include lock shell 1 and be located in the lock shell 1, and the core 2 that can rotate along lock shell 1, be axially arranged with the pellet shot from a slingshot hole 21 that several are embarked on journey and arrange along it in the core 2; Correspondence is provided with a pellet shot from a slingshot 22 in each pellet shot from a slingshot hole 21; Be axially arranged with envelope pearl 11 and compress spring 12 along it in the lock shell 1, compress between spring 12 and the pellet shot from a slingshot 22 and be provided with card pearl 13, the horizontal side face of at least one pellet shot from a slingshot 22 is provided with work nest 221; Be provided with the locking key 3 that fixes both between core 2 and the lock shell 1, setting can be implemented the locking of core 2 like this; Locking key 3 is adaptive with the work nest 221 on the pellet shot from a slingshot 22; Be provided with fastener pellet shot from a slingshot 23 in the pellet shot from a slingshot hole 21 along its axial slip; This fastener pellet shot from a slingshot 23 is located between core 2 and the pellet shot from a slingshot 22, and is connected with pellet shot from a slingshot 22 sockets, fastener pellet shot from a slingshot 23 towards the end face of locking key 3 be provided with locking key 3 adaptive and with pellet shot from a slingshot 22 on the opening 231 of work nest 221 conductings; Establish a step 211 in the described pellet shot from a slingshot hole 21; Be provided with back-moving spring 24 between fastener pellet shot from a slingshot 23 and this step 211, being provided with like this is after making 23 work of fastener pellet shot from a slingshot, can reset fast on the one hand, then is in order to make fastener pellet shot from a slingshot 23 location on the other hand; The pellet shot from a slingshot 22 that is arranged so that of fastener pellet shot from a slingshot 23 has a protection overcoat is arranged, and when not having fastener pellet shot from a slingshot 23, only needing to adopt finer wire to insert from unlocking port 25 can be with pellet shot from a slingshot 22 jack-up; Then need steel wire be extend in the fastener pellet shot from a slingshot 23 and could pellet shot from a slingshot 22 jack-up have been improved safety after fastener pellet shot from a slingshot 23 has been installed, and simple in structure; In embodiments of the present invention,, do not have the pellet shot from a slingshot 22 of mounting clip pieces pellet shot from a slingshot 23 in the pellet shot from a slingshot hole 21 and block between the pearl 13 to be provided with steel ball 14 to shown in Figure 10 like Fig. 6; Certainly, can be in the pellet shot from a slingshot hole 21 fastener pellet shot from a slingshot 23 to be set here, also can be in a plurality of pellets shot from a slingshot hole 21 fastener pellet shot from a slingshot 23 to be set; Can be decided according to the actual requirements; The adjacent veneer of core 2 and lock shell 1 is provided with the groove 26 adaptive with this steel ball 14, is actually A in, Type B core here, adopts key A to insert from the unlocking port 25 of core 2 for the first time; Tartar on the key A can be with pellet shot from a slingshot 22 jack-up; The slippage of pellet shot from a slingshot 22 then can head into card pearl 13 in the lock shell 1, and this moment, steel ball 14 still placed in the core 2, just can implement to unblank; When key B inserts from the unlocking port 25 of core 2; Tartar on the key B is with pellet shot from a slingshot 22 jack-up; The slippage meeting of pellet shot from a slingshot 22 heads into steel ball 14 and fastener 13 in the lock shell 1 simultaneously, and key B drives core 2 rotations then, when rotating to certain angle; Steel ball 14 just falls in the groove 26 on the adjacent veneer of core 2 and lock shell 1, and key A then can't implement to unblank later on again.The above-mentioned setting common spring lock core and A, Type B core are set in the lock body made things convenient for people behind finishing, to need not to change door lock, and improved safety.
In the embodiment of the invention 1; Described core 2 is provided with cavity volume 27 with the adjacent veneer place of lock shell 1; This cavity volume 27 is vertical setting with pellet shot from a slingshot hole 21, is provided with open-work 271 between cavity volume 27 and the pellet shot from a slingshot hole 21, and described locking key 3 includes steel ball 31 and fastener 32; Steel ball 31 places in the cavity volume 27 of core 2 with fastener 32; Said lock shell 1 is provided with the locating hole 15 adaptive with the cambered surface of this steel ball 31 with these steel ball 31 corresponding positions, and the setting of locating hole 15 here then is in order to make being in the cavity volume 27 that steel ball 31 can be stable when the reset condition, can not have influence on the motion of fastener 32 owing to slip; It is that fastener 32 passes open-work 271 and inserts opening 231 and the work nest 221 on the pellet shot from a slingshot 22 on the fastener pellets shot from a slingshot 23, constitutes snap fit because be provided with easy to processly like this that locating hole 15 penetrates that lock shell 1 is provided with; Be provided with stage clip 6 between described fastener 32 and the core 2; Press the setting of bullet 6 can supply fastener 32 and steel ball 31 after use, can reset fast, with the work of convenient next time, when key is inserted into unlocking port 25 places of core 2; Tartar on the key can be simultaneously with fastener pellet shot from a slingshot 23 and pellet shot from a slingshot 22 jack-up; In fastener 32 fell into the work nest 221 of opening 231 and pellet shot from a slingshot 22 of fastener pellet shot from a slingshot 23, this moment, steel ball 31 broke away from locating holes 15, and core 2 is rotatable; Just can implement to unblank, be provided with simple in structure, compact like this.
To shown in Figure 14, in the embodiment of the invention 2, said core 2 is provided with cavity volume 27 with the adjacent veneer place of lock shell 1 like Figure 11; This cavity volume 27 is vertical setting with pellet shot from a slingshot hole 21; Be provided with open-work 271 between cavity volume 27 and the pellet shot from a slingshot hole 21, described locking key 3 includes steel ball 31 and fastener 32, and steel ball 31 places in the cavity volume 27 of core 2 with fastener 32; Said lock shell 1 and these steel ball 31 corresponding positions are provided with the locating slot 16 adaptive with this steel ball 31; Fastener 32 passes open-work 271 and inserts opening 231 and the work nest 221 on the pellet shot from a slingshot 22 on the fastener pellets shot from a slingshot 23, constitutes snap fit, is provided with stage clip 6 between described fastener 32 and the core 2.
To shown in Figure 17, in the embodiment of the invention 3, said core 2 is provided with cavity volume 27 with the adjacent veneer place of lock shell 1 like Figure 15; This cavity volume 27 is vertical setting with pellet shot from a slingshot hole 21, is provided with open-work 271 between cavity volume 27 and the pellet shot from a slingshot hole 21, and described locking key 3 is a fastener 32; This fastener 32 is " T " font substantially, and its bigger end is a head end 321, and the other end is a tail end 322; Be provided with compression spring 4 between its head end 321 and the cavity volume 27; Said lock shell 1 and these fastener 32 corresponding positions are provided with and the adaptive locating slot 16 of this fastener 32 head ends 322, and the tail end 322 of fastener 32 passes open-work 271 and inserts the opening 231 of fastener pellets shot from a slingshot 23 and the work nest 221 of pellet shot from a slingshot 22, constitutes snap fit.
To shown in Figure 20, in the embodiment of the invention 4, said core 2 is provided with breach 28 with the adjacent veneer place of lock shell 1 like Figure 18; The plane 281 of this breach 28 is provided with cavity volume 27, and cavity volume 27 is vertical setting with pellet shot from a slingshot hole 21, is provided with open-work 271 between cavity volume 27 and the pellet shot from a slingshot hole 21; Described locking key 3 is a fastener 32; The middle part of fastener 32 is provided with short slot 323, the fastener spring cup 51 that is arranged with spring 5 in the short slot 323 and compresses with spring 5, and the plane of fastener spring cup 51 is to compress with the plane 281 of breach 28 and cooperates; Described fastener 32 includes head end 321 and tail end 322; Said lock shell 1 and these fastener 32 corresponding positions are provided with and the adaptive locating slot 16 of this fastener 32 head ends 321, and the tail end 322 of fastener 32 passes open-work 271 and inserts the opening 231 of fastener pellets shot from a slingshot 223 and the work nest 221 of pellet shot from a slingshot 22, constitutes snap fit.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't enumerate to all embodiments.And conspicuous variation of being extended out thus or change still are among protection scope of the present invention.

Claims (6)

1. anti-theft lock includes the lock shell and is located in the lock shell, and the core that can rotate along the lock shell; Be axially arranged with the pellet shot from a slingshot hole that several are embarked on journey and arrange along it in the core, correspondence is provided with a pellet shot from a slingshot in each pellet shot from a slingshot hole, is axially arranged with the envelope pearl and compresses spring along it in the lock shell; Compress and be provided with the card pearl between spring and the pellet shot from a slingshot; It is characterized in that: the horizontal side face of at least one pellet shot from a slingshot is provided with work nest, is provided with the locking key that fixes both between core and the lock shell, and the work nest on this locking key and the pellet shot from a slingshot is adaptive; Be provided with fastener pellet shot from a slingshot in the pellet shot from a slingshot hole along its axial slip; This fastener pellet shot from a slingshot is located between core and the pellet shot from a slingshot, and connects in succession with marble sleeve, the fastener pellet shot from a slingshot towards the end face of locking key be provided with locking key adaptive and with pellet shot from a slingshot on the opening of work nest conducting; Be provided with first steel ball between at least one pellet shot from a slingshot and the card pearl, core is provided with the groove adaptive with this first steel ball with the adjacent veneer of lock shell.
2. anti-theft lock according to claim 1 is characterized in that: described pellet shot from a slingshot is established a step in the hole, is provided with back-moving spring between fastener pellet shot from a slingshot and this step.
3. anti-theft lock according to claim 1 is characterized in that: described core is provided with cavity volume with the adjacent veneer place of lock shell, and this cavity volume and pellet shot from a slingshot hole are vertical setting; Be provided with open-work between cavity volume and the pellet shot from a slingshot hole; Described locking key includes second steel ball and fastener, and second steel ball and fastener place in the cavity volume of core, and said lock shell and this second steel ball corresponding position are provided with the locating hole adaptive with the cambered surface of this second steel ball; This locating hole penetrates the setting of lock shell; Fastener passes open-work and inserts opening and the work nest on the pellet shot from a slingshot on the fastener pellet shot from a slingshot, constitutes snap fit, is provided with stage clip between described fastener and the core.
4. anti-theft lock according to claim 1; It is characterized in that: said core is provided with cavity volume with the adjacent veneer place of lock shell, and this cavity volume and pellet shot from a slingshot hole are vertical setting, and are provided with open-work between cavity volume and the pellet shot from a slingshot hole; Described locking key includes second steel ball and fastener; Second steel ball and fastener place in the cavity volume of core, and said lock shell and this second steel ball corresponding position are provided with the locating slot adaptive with this second steel ball, and fastener passes open-work and inserts opening and the work nest on the pellet shot from a slingshot on the fastener pellet shot from a slingshot; Constitute snap fit, be provided with stage clip between described fastener and the core.
5. anti-theft lock according to claim 1 is characterized in that: said core is provided with cavity volume with the adjacent veneer place of lock shell, and this cavity volume and pellet shot from a slingshot hole are vertical setting; Be provided with open-work between cavity volume and the pellet shot from a slingshot hole, described locking key is a fastener, and this fastener is " T " font substantially; Its bigger end is a head end; The other end is a tail end, is provided with the compression spring between its head end and the cavity volume, and said lock shell and this fastener corresponding position are provided with the locating slot adaptive with this fastener head end; The tail end of fastener passes open-work and inserts the opening of fastener pellet shot from a slingshot and the work nest of pellet shot from a slingshot, constitutes snap fit.
6. anti-theft lock according to claim 1 is characterized in that: said core is provided with breach with the adjacent veneer place of lock shell, and the plane of this breach is provided with cavity volume; Cavity volume and pellet shot from a slingshot hole are vertical setting; Be provided with open-work between cavity volume and the pellet shot from a slingshot hole, described locking key is a fastener, and the middle part of fastener is provided with short slot; The fastener spring cup that is arranged with spring in the short slot and compresses with spring; The plane of fastener spring cup is to compress with the plane of breach and cooperates, and described fastener includes head end and tail end, and said lock shell and this fastener corresponding position are provided with the locating slot adaptive with this fastener head end; The tail end of fastener passes open-work and inserts the opening of fastener pellet shot from a slingshot and the work nest of pellet shot from a slingshot, constitutes snap fit.
CN2009100953603A 2009-01-06 2009-01-06 Theft-proof lock core Expired - Fee Related CN101446148B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100953603A CN101446148B (en) 2009-01-06 2009-01-06 Theft-proof lock core

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Application Number Priority Date Filing Date Title
CN2009100953603A CN101446148B (en) 2009-01-06 2009-01-06 Theft-proof lock core

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Publication Number Publication Date
CN101446148A CN101446148A (en) 2009-06-03
CN101446148B true CN101446148B (en) 2012-04-18

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375444A (en) * 1991-05-20 1994-12-27 Shield Security Systems, Inc. Multi-key core lock assembly
CN2467689Y (en) * 2001-03-05 2001-12-26 王立虹 Lock operated by key
US6490898B1 (en) * 1998-06-04 2002-12-10 Mottura Serrature Di Sicurezza S.P.A. Cylinder lock
CN2646304Y (en) * 2003-10-17 2004-10-06 陈承欣 Theftproof night lock tapered end
CN101307662A (en) * 2008-06-07 2008-11-19 彭海泉 Variable code anti-theft cylinder lock
CN201334803Y (en) * 2009-01-06 2009-10-28 彭海泉 Anti-theft lock cylinder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375444A (en) * 1991-05-20 1994-12-27 Shield Security Systems, Inc. Multi-key core lock assembly
US6490898B1 (en) * 1998-06-04 2002-12-10 Mottura Serrature Di Sicurezza S.P.A. Cylinder lock
CN2467689Y (en) * 2001-03-05 2001-12-26 王立虹 Lock operated by key
CN2646304Y (en) * 2003-10-17 2004-10-06 陈承欣 Theftproof night lock tapered end
CN101307662A (en) * 2008-06-07 2008-11-19 彭海泉 Variable code anti-theft cylinder lock
CN201334803Y (en) * 2009-01-06 2009-10-28 彭海泉 Anti-theft lock cylinder

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