CN201502236U - Improved lock adopting outer milling tooth blade idle lock core - Google Patents
Improved lock adopting outer milling tooth blade idle lock core Download PDFInfo
- Publication number
- CN201502236U CN201502236U CN2009200655084U CN200920065508U CN201502236U CN 201502236 U CN201502236 U CN 201502236U CN 2009200655084 U CN2009200655084 U CN 2009200655084U CN 200920065508 U CN200920065508 U CN 200920065508U CN 201502236 U CN201502236 U CN 201502236U
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- lock
- lock core
- core
- side column
- locking side
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Abstract
The utility model discloses an improved lock adopting an outer milling tooth blade idle lock core, which comprises a front lock core and a rear lock core. The front lock core and the rear lock core are arranged in a lock body, a locking edge column with a tooth opening is arranged on the front lock core and is matched with a blade spring with a notch, a protruding part which can be matched with a lug boss with a bit on a key is arranged at one side of the blade spring, the rear lock core is provided with a lock pin, a step used for carrying out position stopping on the rear lock core is arranged at the tail part of the lock body, a sleeve is fixed on the front lock core and is sheathed on the rear lock core, the rear lock core is matched with the sleeve in a gap manner, an elastic positioning bead is arranged between the sleeve and the rear lock core, the tail part of the lock pin is tapered, and a tapered groove which is matched with the tail part of the lock pin is arranged on the step at the tail part of the lock body. As a lock pin return spring in the prior art is canceled, the improved lock can completely solve the problem that the lock cannot be normally used due to the elasticity losing of the lock pin return spring; therefore, the reliability of the lock is improved, and the service life of the lock is prolonged.
Description
Technical field
The utility model belongs to mechanical lock, relates 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.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and 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 utility model purpose 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 blade marbles, a side of blade marble be provided with can with the protuberance that matches with the boss of tartar on the key, 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; 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 utility model 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 utility model 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 solutions of the utility model below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
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 to be provided with some be one group blade marble group by two blade marbles 7, one side of blade marble 7 be provided with can with key 16 on the band tartar boss (outer mill teeth) 17 protuberances that match 18, 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; Place lock pin 8 in the lock pin chute 10 of rear lock core 11, 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, 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 utility model: see Fig. 1 to Fig. 3 when unblanking, insert key 16, boss (the outer mill teeth) 17 of band tartar cooperates with protuberance 18 on the blade marble 7 on the key 16, 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 21 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, 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 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 blade marbles, a side of blade marble be provided with can with the protuberance that matches with the boss of tartar on the key, 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, blade marble is provided with breach and 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 |
|---|---|---|---|
| CN2009200655084U CN201502236U (en) | 2009-08-10 | 2009-08-10 | Improved lock adopting outer milling tooth blade idle lock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200655084U CN201502236U (en) | 2009-08-10 | 2009-08-10 | Improved lock adopting outer milling tooth blade idle lock core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201502236U true CN201502236U (en) | 2010-06-09 |
Family
ID=42453172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200655084U Expired - Lifetime CN201502236U (en) | 2009-08-10 | 2009-08-10 | Improved lock adopting outer milling tooth blade idle lock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201502236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654976B (en) * | 2009-08-10 | 2012-05-30 | 雷先鸣 | Improved lock adopting idle lock cylinders with external milling tooth blades |
-
2009
- 2009-08-10 CN CN2009200655084U patent/CN201502236U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654976B (en) * | 2009-08-10 | 2012-05-30 | 雷先鸣 | Improved lock adopting idle lock cylinders with external milling tooth blades |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongshan Gold Atom Lock Manufacture Co., Ltd. Assignor: Lei Xianming Contract record no.: 2011440000992 Denomination of utility model: Improved lock adopting idle lock cylinders with external milling tooth blades Granted publication date: 20100609 License type: Exclusive License Record date: 20110913 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100609 Effective date of abandoning: 20090810 |