CN101654979B - Improved lock adopting idle lock cylinders with external milling tooth blades - Google Patents
Improved lock adopting idle lock cylinders with external milling tooth blades Download PDFInfo
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- CN101654979B CN101654979B CN2009100440640A CN200910044064A CN101654979B CN 101654979 B CN101654979 B CN 101654979B CN 2009100440640 A CN2009100440640 A CN 2009100440640A CN 200910044064 A CN200910044064 A CN 200910044064A CN 101654979 B CN101654979 B CN 101654979B
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Abstract
The invention discloses an improved lock adopting idle lock cylinders with 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 with tooth mouths which match blade pin tumblers with nicks. The middle of each pin tumbler is provided with a lockhole and the side of the lockhole is provided with a protruding part which can match a boss with bits on 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. 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 the lock of the outer mill teeth lamina idle-run lock core of a kind of improved employing.
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 200710035819.1,200810031196.5 discloses the clutch structure of relevant idle-run lock pin.Comprise the lock pin and the lock pin back-moving spring that are located in the rear lock core in these clutch structures, 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 outer mill teeth lamina idle-run lock core of improved employing of better reliability is provided.
Realize that the technical scheme that the object of the invention adopts is: the lock of the outer mill teeth lamina idle-run lock core of improved employing 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 breach, and the centre is provided with rectangular lockhole, on the limit of lockhole, be provided with can with the protuberance that matches with the boss of tartar on the key; Before be provided with in the locking side column groove on the lock core match with blade marble can axially-movable locking side column, locking side column is provided with the tooth mouth and cooperates with blade marble, the breach on the blade marble cooperates with locking side column; On preceding lock core, be with sleeve, 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 outer mill teeth of key because of its blade marble, so be called the lock of the outer mill teeth lamina idle-run lock core of improved employing.
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, the lock of the outer mill teeth lamina idle-run lock core of improved employing, 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 7, to be provided with blade marble back-moving spring 16 between two blade marbles 7; One side of each blade marble 7 is provided with breach 19, and the centre is provided with rectangular lockhole 18, be provided with on the limit of lockhole 18 can with key 17 on the band tartar boss (outer mill teeth) 20 protuberances that match 21; Before be provided with in the locking side column groove on the lock core 1 match with blade marble 7 can axially-movable locking side column 5, locking side column 5 is provided with tooth mouth 6 and cooperates with blade marble 7, the breach 19 on the blade marble 7 cooperates with locking side column 5; On forward and backward lock core, be with sleeve 3, between the end wall of locking side column 5 and locking side column groove, be provided with the axial back-moving spring 4 of locking side column; Place lock pin 8 in the lock pin chute 10 of rear lock core 11, the afterbody 22 of lock pin 8 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 9 that matches with lock pin afterbody 22; 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, protuberance 21 on the key 17 on the lockhole 18 of boss (outer mill teeth) 20 and the blade marble 7 of band tartar cooperates, the blade marble 7 of each blade marble group of the tooth mouth 6 that is arranged in locking side column 5 is inwardly moved, breach 19 alignment of their sides are in the state that cooperates with locking side column 5, locking side column 5 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 22 of ramp effect lock pin 8 in rear lock core of the cone tank 9 on the step 13 of lock body afterbody, the elastic force that forces lock pin 8 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 8 when cone tank on the lock body afterbody step aligns, locking side column under its axial action of reset spring, lock pin 8 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 5 returns are realized locking.
If unblank with non-matching key or instrument, locking side column 5 can not cooperate with the breach 19 on the blade marble 7, can't axially-movable under the stop bit of blade marble 7, even if rear lock core 11 rotates with respect to lock body 2, under locking side column 5 stops, lock core 1 before cone tank 9 on the lock body afterbody step 13 also can't force lock pin 8 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. the lock of the outer mill teeth lamina idle-run lock core of improved employing 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 breach, and the centre is provided with rectangular lockhole, on the limit of lockhole, be provided with can with the protuberance that matches with the boss of tartar on the key; Before be provided with in the locking side column groove on the lock core match with blade marble can axially-movable locking side column, locking side column is provided with the tooth mouth and cooperates with blade marble, the breach on the blade marble cooperates with locking side column; On preceding lock core, be with sleeve, 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 |
|---|---|---|---|
| CN2009100440640A CN101654979B (en) | 2009-08-10 | 2009-08-10 | Improved lock adopting idle lock cylinders with external milling tooth blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100440640A CN101654979B (en) | 2009-08-10 | 2009-08-10 | Improved lock adopting idle lock cylinders with external milling tooth blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101654979A CN101654979A (en) | 2010-02-24 |
| CN101654979B true CN101654979B (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100440640A Active CN101654979B (en) | 2009-08-10 | 2009-08-10 | Improved lock adopting idle lock cylinders with external milling tooth blades |
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| Country | Link |
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| CN (1) | CN101654979B (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 | Anti-opening and anti-prying lock |
| CN201460470U (en) * | 2009-08-10 | 2010-05-12 | 雷先鸣 | Improved lock adopting leaf blade idle lock cores of outer milling teeth |
-
2009
- 2009-08-10 CN CN2009100440640A patent/CN101654979B/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 | Anti-opening and anti-prying lock |
| CN101139886A (en) * | 2007-10-30 | 2008-03-12 | 雷先鸣 | Coupling structure of spring (lamina) lock idle-run lock pin |
| CN201460470U (en) * | 2009-08-10 | 2010-05-12 | 雷先鸣 | Improved lock adopting leaf blade idle lock cores of outer milling teeth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101654979A (en) | 2010-02-24 |
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