CN101654972B - 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 PDFInfo
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- CN101654972B CN101654972B CN2009100440570A CN200910044057A CN101654972B CN 101654972 B CN101654972 B CN 101654972B CN 2009100440570 A CN2009100440570 A CN 2009100440570A CN 200910044057 A CN200910044057 A CN 200910044057A CN 101654972 B CN101654972 B CN 101654972B
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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 one side 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
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 to be provided with some be one group blade marble group by two blade marbles, the same side of blade marble in the blade marble group, wherein the end of the middle part of a blade marble and another blade marble is respectively equipped with the projection that extend in the keyhole, the opposite side of each blade marble is provided with v-depression, and corresponding each blade marble is provided with the blade marble return spring respectively on the preceding lock core; 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 to be provided with by two blade marbles 16,18 be one group blade marble group, the same side of blade marble 16,18 in the blade marble group, wherein the end of the middle part of blade marble 16 and blade marble 18 is respectively equipped with the projection 19,21 that extend in the keyhole, the opposite side of each blade marble is provided with v-depression 22, and corresponding each blade marble is provided with blade marble return spring 23 respectively on the preceding lock core 1; Before be provided with in the locking side column groove on the lock core 1 can match with v-depression 22 on the blade marble 16,18 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 26 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 26; 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 17, on the key 17 band pellet shot from a slingshot cell wall (interior mill teeth) 25 of tartar and boss (outer mill teeth) 24 respectively with blade marble 16, protuberance 19 on 18,21 cooperate, make blade marble 16,18 to left movement (referring to Fig. 2), blade marble 16, v-depression 22 alignment of 18 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 26 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 17 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 16,18 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 to be provided with some be one group blade marble group by two blade marbles, the same side of blade marble in the blade marble group, wherein the end of the middle part of a blade marble and another blade marble is respectively equipped with the projection that extend in the keyhole, the opposite side of each blade marble is provided with v-depression, and corresponding each blade marble is provided with the blade marble return spring respectively on the preceding lock core; 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100440570A CN101654972B (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 |
|---|---|---|---|
| CN2009100440570A CN101654972B (en) | 2009-08-10 | 2009-08-10 | Lock adopting idle lock cylinders with internal and external milling tooth blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101654972A CN101654972A (en) | 2010-02-24 |
| CN101654972B true CN101654972B (en) | 2011-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100440570A Active CN101654972B (en) | 2009-08-10 | 2009-08-10 | Lock adopting idle lock cylinders with internal and external milling tooth blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101654972B (en) |
Citations (4)
| 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 |
| CN201460464U (en) * | 2009-08-10 | 2010-05-12 | 雷先鸣 | Lock adopting internal and external milled tooth blade vain-spinning lock cores |
-
2009
- 2009-08-10 CN CN2009100440570A patent/CN101654972B/en active Active
Patent Citations (4)
| 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 |
| CN201460464U (en) * | 2009-08-10 | 2010-05-12 | 雷先鸣 | Lock adopting internal and external milled tooth blade vain-spinning lock cores |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101654972A (en) | 2010-02-24 |
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