CN101654977B - Improved lock adopting idle lock cylinders with internal milling tooth blades - Google Patents
Improved lock adopting idle lock cylinders with internal milling tooth blades Download PDFInfo
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- CN101654977B CN101654977B CN2009100440621A CN200910044062A CN101654977B CN 101654977 B CN101654977 B CN 101654977B CN 2009100440621 A CN2009100440621 A CN 2009100440621A CN 200910044062 A CN200910044062 A CN 200910044062A CN 101654977 B CN101654977 B CN 101654977B
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Abstract
The invention discloses an improved lock adopting idle lock cylinders with internal 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. One side of each blade pin tumbler is provided with a protruding part which can match the wall of a pin tumbler groove 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. 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 the lock of mill teeth lamina idle-run lock core in a kind of improved employing.
Background technology
Have one type of 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 the clutch between them through clutch structure usually between preceding lock core and the rear lock core.One Chinese patent application 200710035819.1,200810031195.0 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 got into or withdraws from through lock pin.This clutch structure is in use found some shortcomings, owing to frequently unblank for a long time to close lock, 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, can't lock be opened the reliability of influence lock.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of lock of the interior 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 mill teeth lamina idle-run lock core in the improved employing comprises lock body, is located at preceding lock core and rear lock core in the lock body; Preceding lock core upper edge axis is provided with some blade marbles, and a middle side part of blade marble is provided with the protuberance that can match with pellet shot from a slingshot cell wall on the key, and opposite side is provided with breach; 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; Said 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 said lock pin is taper; Said 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 of key because of its blade marble, so be called the lock of mill teeth lamina idle-run lock core in the 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 scheme 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 sketch mapes of Fig. 1.
Fig. 5 is the vertical view of Fig. 4.
The specific embodiment
See Fig. 1 to Fig. 3; The lock of mill teeth lamina idle-run lock core in the improved employing; Comprise preceding lock core 1 and rear lock core 11 in the lock body 2, lock body 2, it is one group blade marble group by two blade marbles 7 that preceding lock core 1 upper edge axis is provided with some, and a middle side part of blade marble 7 is provided with the protuberance 18 that can match with the pellet shot from a slingshot cell wall (interior mill teeth) 17 of band tartar on the key 16; Opposite side is provided with breach 19, is provided with blade marble back-moving spring 20 in the preceding lock core 1; 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; In the lock pin chute 10 of rear lock core 11, place lock pin 8, the afterbody 21 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 21; 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, on sleeve 3, be provided with the hole and match with steel ball 14 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 16, pellet shot from a slingshot cell wall (the interior mill teeth) 17 of band tartar cooperates with protuberance 18 on the blade marble 7 on the key 16, and 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, and lock core 1 before pressing arrow again and rotating drives rear lock cores through the sleeve on the lock core 1 before being fixed on 3 and rotates with respect to lock body 2; The tapered tail 21 of ramp effect lock pin 8 in rear lock core of the cone tank 9 on the step 13 of lock body afterbody; In the locking side column groove of lock core 1, forward and backward lock core is fused before the elastic force that forces lock pin 8 to overcome the axial back-moving spring 4 of locking side column gets into, realize 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 with lock pin 8 push up back in the rear lock core with lock body afterbody step on cone tank coincide, forward and backward lock core separates, and extracts key 16 out; Locking side column 5 returns; Breach dislocation on the blade marble, blade marble is realized locking side column 5 stop bits to lock.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 stoped, if lock core 1 before the cone tank 9 on the lock body afterbody step 13 also can't force lock pin 8 to get into was 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 with sleeve 3 relative rear lock cores 11, can't unblank.
Claims (1)
1. the lock of the interior 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; Preceding lock core upper edge axis is provided with some blade marbles, and a middle side part of blade marble is provided with the protuberance that can match with pellet shot from a slingshot cell wall on the key, and opposite side is provided with breach; 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 said 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 said 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 said lock pin is taper; Said 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 |
|---|---|---|---|
| CN2009100440621A CN101654977B (en) | 2009-08-10 | 2009-08-10 | Improved lock adopting idle lock cylinders with internal milling tooth blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100440621A CN101654977B (en) | 2009-08-10 | 2009-08-10 | Improved lock adopting idle lock cylinders with internal milling tooth blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101654977A CN101654977A (en) | 2010-02-24 |
| CN101654977B true CN101654977B (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100440621A Active CN101654977B (en) | 2009-08-10 | 2009-08-10 | Improved lock adopting idle lock cylinders with internal milling tooth blades |
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| CN (1) | CN101654977B (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 |
| CN201460468U (en) * | 2009-08-10 | 2010-05-12 | 雷先鸣 | Improved lock adopting inner milling tooth blade idling key cylinders |
-
2009
- 2009-08-10 CN CN2009100440621A patent/CN101654977B/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 |
| CN201460468U (en) * | 2009-08-10 | 2010-05-12 | 雷先鸣 | Improved lock adopting inner milling tooth blade idling key cylinders |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101654977A (en) | 2010-02-24 |
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