CN101654975B - Lock adopting idle lock cylinders with internal and external milling tooth blades - Google Patents

Lock adopting idle lock cylinders with internal and external milling tooth blades Download PDF

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Publication number
CN101654975B
CN101654975B CN2009100440602A CN200910044060A CN101654975B CN 101654975 B CN101654975 B CN 101654975B CN 2009100440602 A CN2009100440602 A CN 2009100440602A CN 200910044060 A CN200910044060 A CN 200910044060A CN 101654975 B CN101654975 B CN 101654975B
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lock
lock core
side column
locking side
sleeve
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CN2009100440602A
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CN101654975A (en
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雷先鸣
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Abstract

The invention discloses a lock adopting idle lock cylinders with internal and external milling tooth blades, comprising a front lock cylinder and a rear lock cylinder, which are arranged in a lock body. The front lock cylinder is provided with locking side columns which match a blade pin tumbler set with V-shaped grooves and can move axially. The middle or end of a lockhole of each blade pin tumbler is provided with a protruding part which can match the internal and external milling teeth of a key. The rear lock cylinder is provided with a lock pin. A step for stopping the rear lock cylinder is arranged at the tail of the lock body. A sleeve is fixed on the front lock cylinder and is sleeved on the rear lock cylinder. The sleeve is in clearance fit with the rear lock cylinder. An elastic ball plunger is arranged between the sleeve and the rear lock cylinder. The tail of the lock pin is cone-shaped and a cone-shaped groove matched with the tail of the lock pin is arranged on the step at the tail of the lock body. The lock removes the lock pin return spring in the prior art, thus being capable of completely solving the problem that the lock can not be used normally because the lock pin return spring loses elasticity, enhancing the lock reliability and prolonging the service life.

Description

A kind of lock that adopts inside and outside mill teeth lamina idle-run lock core
Technical field
The invention belongs to mechanical lock, relate to a kind of lock that adopts inside and outside mill teeth lamina idle-run lock core.
Background technology
Have class lock to adopt idle-run lock pin in the mechanical lock, the lock core of these locks is made up of forward and backward lock core, will realize clutch between them by clutch structure usually between preceding lock core and the rear lock core.Chinese patent application 200810031951.X discloses a kind of clutch structure of idle-run lock pin.Comprise the lock pin and the lock pin back-moving spring that are located in the rear lock core in this clutch structure, lock core was realized before the clutch of front and back lock core entered or withdraws from by lock pin.This clutch structure is in use found some shortcomings, owing to frequently unblank to shut for a long time, the lock pin back-moving spring can produce metal fatigue, elasticity weakens, and adds the abrasive dust of component and the dirt that dust forms, and its elasticity further weakens, so that when unblanking lock pin is resetted, lock always is in idling conditions, lock can't be opened the reliability of influence lock.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of lock of the inside and outside mill teeth lamina idle-run of employing lock core of better reliability is provided.
Realize that the technical scheme that the object of the invention adopts is: adopt the lock of inside and outside mill teeth lamina idle-run lock core, comprise lock body, be located at preceding lock core and rear lock core in the lock body; Before lock core upper edge axis be provided with some to be one group blade marble group by two blade marbles, to be provided with the blade marble back-moving spring between two blade marbles; One side of each blade marble is provided with v-depression, the centre is provided with rectangular lockhole, in the blade marble group therein the lockhole end of the lockhole of blade marble middle part and another blade marble be respectively equipped with can with the protuberance that matches with the pellet shot from a slingshot cell wall and the boss of tartar on the key; Before be provided with in the locking side column groove on the lock core can match with v-depression on the blade marble can axially-movable locking side column; Locking side column is provided with step-like groove, the top of locking side column groove is provided with and the locking side column card that the scalariform groove matches of appearing on the stage, on preceding lock core, be with sleeve, between sleeve and locking side column, be provided with radially back-moving spring of locking side column, between the end wall of locking side column and locking side column groove, be provided with the axial back-moving spring of locking side column; Be placed with lock pin in the lock pin chute of rear lock core, the lock body afterbody is provided with the step with the rear lock core stop bit; Described sleeve is fixed on the preceding lock core and is enclosed within on the rear lock core, and sleeve and rear lock core matched in clearance are provided with the elasticity positioning bead between sleeve and rear lock core; The afterbody of described lock pin is taper; Described lock body afterbody step is provided with the cone tank that matches with the lock pin afterbody.
The present invention matches with the interior mill teeth and the outer mill teeth of key respectively because of its blade marble group, so be called the lock that adopts inside and outside mill teeth lamina idle-run lock core.
The present invention changes the lock pin afterbody in the prior art rear lock core into taper and matches with cone tank on the lock body afterbody step, cancelled the lock pin back-moving spring, therefore can solve fully because of the lock pin back-moving spring follows the string and cause locking the problem that normally to use, improve the reliability of lock, increase the service life.
Further specify technical solution of the present invention below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to view.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is the different user mode schematic diagrames of Fig. 1.
Fig. 5 is the vertical view of Fig. 4.
The specific embodiment
See Fig. 1 to Fig. 3, adopt the lock of inside and outside mill teeth lamina idle-run lock core, comprise preceding lock core 1 and rear lock core 11 in lock body 2, the lock body 2; Before lock core 1 upper edge axis be provided with some to be one group blade marble group by two blade marbles 16,19, to be provided with blade marble back-moving spring 17 between two blade marbles 16,19; One side of each blade marble 16,19 is provided with v-depression 23, the centre is provided with rectangular lockhole 22, in the blade marble group therein the lockhole end of the lockhole of a blade marble 16 middle part and another blade marble 19 be respectively equipped with can with the pellet shot from a slingshot cell wall 24 of band tartar and the protuberance 18,25 that boss 26 matches on the key 21; Before be provided with in the locking side column groove on the lock core 1 can match with v-depression 23 on the blade marble 16,19 can axially-movable locking side column 6, locking side column 6 is provided with step-like groove 7, the top of locking side column groove is provided with and the locking side column card 8 that scalariform groove 7 matches of appearing on the stage, on forward and backward lock core, be with sleeve 3, between sleeve 3 and locking side column 6, be provided with radially back-moving spring 5 of locking side column, between the end wall of locking side column 6 and locking side column groove, be provided with the axial back-moving spring 4 of locking side column; Place lock pin 9 in the lock pin chute 20 of rear lock core 11, the afterbody 27 of lock pin 9 is taper; The lock body afterbody is provided with the step 13 with rear lock core 11 stop bits, and this step 13 is provided with the cone tank 10 that matches with lock pin afterbody 27; On the lock core 1, sleeve 3 and rear lock core 11 matched in clearance were provided with the elasticity positioning bead of being made up of steel ball 14 and spring 15 on rear lock core 11, be provided with the hole and match with steel ball 14 on sleeve 3 before sleeve 3 was fixed on; Rear lock core 11 is provided with sword iron 12.
Operating principle of the present invention: see Fig. 1 to Fig. 3 when unblanking, insert key 21, on the key 21 band pellet shot from a slingshot cell wall 24 of tartar and boss 26 respectively with blade marble 16, protuberance 18 in 19 the lockhole, 25 cooperate, make each blade marble 16, v-depression 23 alignment of 19 1 sides, locking side column 6 radially moves downward, make card 8 be positioned at the topping bar of step-like groove 7 of locking side column 6, locking side column 6 can axially-movable, press arrow again and rotate preceding lock core 1, driving rear lock core by the sleeve on the lock core 1 before being fixed on 3 rotates with respect to lock body 2, the tapered tail 27 of ramp effect lock pin 9 in rear lock core of the cone tank 10 on the step 13 of lock body afterbody, the elastic force that forces lock pin 9 to overcome the axial back-moving spring 4 of locking side column enters in the locking side column groove of preceding lock core 1, before inciting somebody to action, rear lock core fuses, and realizes unblanking; See Fig. 4, Fig. 5 when locking, rotate forward and backward lock core by arrow, when the lock pin in the rear lock core 9 when cone tank on the lock body afterbody step aligns, locking side column under its axial action of reset spring, lock pin 9 pushed up back in the rear lock core with lock body afterbody step on cone tank coincide, forward and backward lock core separates, extract key 21 out, locking side column 6 returns are realized locking.If unblank with non-matching key or instrument, locking side column 6 not can with blade marble 16,19 cooperations are done radially and are moved downward, can't axially-movable under the stop bit of card 8, even if rear lock core 11 rotates with respect to lock body 2, under locking side column 6 stops, lock core 1 before cone tank 10 on the lock body afterbody step 13 also can't force lock pin 9 to enter, if lock core 1 before still rotating in this case, because the sleeve 3 before being fixed on the lock core 1 adopts the elasticity positioning bead to be connected with rear lock core 11, in case rotate torsion greater than the resistance of elasticity positioning bead to sleeve 3, preceding lock core 1 will be done idle running by relative together rear lock core 11 with sleeve 3, can't unblank.

Claims (1)

1. a lock that adopts inside and outside mill teeth lamina idle-run lock core comprises lock body, is located at preceding lock core and rear lock core in the lock body; Before lock core upper edge axis be provided with some to be one group blade marble group by two blade marbles, to be provided with the blade marble back-moving spring between two blade marbles; One side of each blade marble is provided with v-depression, the centre is provided with rectangular lockhole, in the blade marble group therein the lockhole end of the lockhole of blade marble middle part and another blade marble be respectively equipped with can with the protuberance that matches with the pellet shot from a slingshot cell wall and the boss of tartar on the key; Before be provided with in the locking side column groove on the lock core can match with v-depression on the blade marble can axially-movable locking side column; Locking side column is provided with step-like groove, the top of locking side column groove is provided with and the locking side column card that the scalariform groove matches of appearing on the stage, on preceding lock core, be with sleeve, between sleeve and locking side column, be provided with radially back-moving spring of locking side column, between the end wall of locking side column and locking side column groove, be provided with the axial back-moving spring of locking side column; Be placed with lock pin in the lock pin chute of rear lock core, the lock body afterbody is provided with the step with the rear lock core stop bit; It is characterized in that described sleeve be fixed on before on the lock core and be enclosed within on the rear lock core, sleeve and rear lock core matched in clearance are provided with the elasticity positioning bead between sleeve and rear lock core; The afterbody of described lock pin is taper; Described lock body afterbody step is provided with the cone tank that matches with the lock pin afterbody.
CN2009100440602A 2009-08-10 2009-08-10 Lock adopting idle lock cylinders with internal and external milling tooth blades Active CN101654975B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100440602A CN101654975B (en) 2009-08-10 2009-08-10 Lock adopting idle lock cylinders with internal and external milling tooth blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100440602A CN101654975B (en) 2009-08-10 2009-08-10 Lock adopting idle lock cylinders with internal and external milling tooth blades

Publications (2)

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CN101654975A CN101654975A (en) 2010-02-24
CN101654975B true CN101654975B (en) 2011-12-07

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4750342A (en) * 1986-02-19 1988-06-14 Clover Co., Ltd. Locking device resistant to forcible opening
CN101139886A (en) * 2007-10-30 2008-03-12 雷先鸣 Coupling structure of spring (lamina) lock idle-run lock pin
CN201050225Y (en) * 2007-04-20 2008-04-23 黄伟敏 Prizing-proof lock
CN201460467U (en) * 2009-08-10 2010-05-12 雷先鸣 Lock adopting idle lock cores with interior and exterior milling tooth blades

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4750342A (en) * 1986-02-19 1988-06-14 Clover Co., Ltd. Locking device resistant to forcible opening
CN201050225Y (en) * 2007-04-20 2008-04-23 黄伟敏 Prizing-proof lock
CN101139886A (en) * 2007-10-30 2008-03-12 雷先鸣 Coupling structure of spring (lamina) lock idle-run lock pin
CN201460467U (en) * 2009-08-10 2010-05-12 雷先鸣 Lock adopting idle lock cores with interior and exterior milling tooth blades

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