CN2841873Y - A kind of cylinder lock that has anti-unlocking mechanism - Google Patents
A kind of cylinder lock that has anti-unlocking mechanism Download PDFInfo
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- CN2841873Y CN2841873Y CN 200520063347 CN200520063347U CN2841873Y CN 2841873 Y CN2841873 Y CN 2841873Y CN 200520063347 CN200520063347 CN 200520063347 CN 200520063347 U CN200520063347 U CN 200520063347U CN 2841873 Y CN2841873 Y CN 2841873Y
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- lock
- lock core
- marble
- hole
- spring
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Abstract
The utility model provides a kind of cylinder lock that has anti-unlocking mechanism, can prevent effectively that technical quick rotation from unblanking, and is applicable to that theftproof lock, door lock etc. need lock core to rotate the occasion that multi-turn just can be unblanked.The described cylinder lock that has anti-unlocking mechanism includes lock body parts and rotating lock core parts, and described lock core parts are arranged in the internal cavities of described lock body parts; Described lock body parts include housing, are fixed on marble spring in the housing and the lock spring that is connected with described marble spring, and described marble spring and lock spring all are arranged in described lock marble hole; Described lock core parts comprise that the described lock core marble of lock core body, keyhole and lock core marble is arranged in lock core marble hole; Wherein one or more described lock core marble holes also are provided with the groove stepped hole near described lock marble hole one end, and described groove stepped hole links to each other with lock core marble hole, and the appearance and size of described groove stepped hole is greater than the internal diameter size of described lock core marble hole.
Description
Technical field
The utility model relates to a kind of cylinder lock that prevents quick pirate of the open, especially a kind ofly prevents the technical cylinder lock that speed is unblanked of opening.Can be suitable for the antitheft place of needs such as household, hotel, office uses.
Background technology
Common spring lock major part all is by lock body, lock core, and many to lock core marble, lock spring and the lock core marble hole that communicates, lock marble hole and marble spring formation.Pellet shot from a slingshot can be one group, also can be many groups, can distribute point-blank, also can be distributed in multiaspect, therefore, flat key and cylindrical key is arranged.No matter be the cylinder lock of which kind of form, its operating principle all is basic the same, exactly will be embedded into the pellet shot from a slingshot in the lock body in the pellet shot from a slingshot hole of lock core under the marble spring effect, lock core is blocked can not rotate, thereby reaches the purpose of locking.When unblanking, key is inserted lock core, eject lock core, make key reach the purpose of unblanking by rotational lock core at following lock spring that embeds lock core of the effect of key.Lawless person in the society utilizes this general principle of cylinder lock, makes various " omnipotent " unlocking tool, utilizes skilled unlocking can open various cylinder locks easily.The lock body of present most cylinder lock and the hole wall of lock core marble hole are straight, when adopting " omnipotent " unlocking tool to carry out skilled unlocking, because lock marble hole and lock core marble interporal lacuna are very little, lock core is being subjected to make under the twisting force appearance dislocation between the pellet shot from a slingshot hole, the top was stuck in dislocation place and can not be embedded into lock core after " omnipotent " unlocking tool can make lock spring compress into lock body, when all lock springs all are stuck in dislocation place, then lock core is unlocked, can rotational lock core and open lock.Because the space is little between pellet shot from a slingshot hole and pellet shot from a slingshot, by the quick rotation lock core, can rotate multi-turn continuously and lock spring is embedded in the lock core, so just can not have to open various cylinder locks under the legal key situation, no matter be padlock, door lock or theftproof lock etc.
In order to prevent illegal skilled unlocking, at present, people do at most, make an issue of on lock body, lock core, pellet shot from a slingshot exactly, by improving machining accuracy, change shapes such as lock core, pellet shot from a slingshot, pellet shot from a slingshot hole.Increase the difficulty of skilled unlocking in this way.These modes have all increased the processed complex degree of cylinder lock, have increased number of components, cause difficulty of processing big, and yield rate is low, requirement on machining accuracy is high, has increased manufacturing cost or the like.
Summary of the invention
The purpose of this utility model provides a kind of cylinder lock that has anti-unlocking mechanism, can prevent effectively that technical quick rotation from unblanking, and is applicable to that theftproof lock, door lock etc. need lock core to rotate the occasion that multi-turn just can be unblanked.The utility model reduces cost by the mode of simple processing with simple assembling, can realize volume production easily.
The utility model is realized by following structure: a kind of cylinder lock that has anti-unlocking mechanism, include lock body parts and lock core parts, described lock core parts are arranged in the internal cavities of described lock body parts, and described lock core parts can rotate in the internal cavities of described lock body parts; Described lock body parts include housing, are fixed on marble spring in the housing and the lock spring that is connected with described marble spring, and described marble spring and lock spring all are arranged in described lock marble hole; Described lock core parts comprise lock core body, keyhole and lock core marble, and described lock core marble is arranged in lock core marble hole; Described lock spring can move in described lock marble hole, and described lock core marble can move in described lock core marble hole; During locking, the center of described lock marble hole and lock core marble hole is on the same straight line, described lock spring is embedded in the lock core marble hole under described marble spring effect, lock core can not rotate, when unblanking, key is inserted keyhole, eject lock core at following lock spring that embeds lock core of the effect of key, key can be unblanked by rotational lock core, it is characterized in that, described lock core marble hole also is provided with the groove stepped hole near described lock marble hole one end, and described groove stepped hole links to each other with lock core marble hole, and the appearance and size of described groove stepped hole is greater than the internal diameter size of described lock core marble hole.
Described groove stepped hole is the circular groove stepped hole concentric with described lock core marble hole.
Advantage of the present utility model is: because there is groove stepped hole greater than the pellet shot from a slingshot bore dia part pellet shot from a slingshot hole and lock marble hole junction in the lock core, when legal key drives the lock core rotation, because the adaptive lock core that just can make of pellet shot from a slingshot is rotated further in interior pellet shot from a slingshot of lock core and the lock body; When instruments such as using " omnipotent " lockaid gun carries out illegal skilled unlocking, the person of unblanking can make lock core rotate a circle, when the pellet shot from a slingshot hole of lock core is for the second time relative with lock marble hole, because part pellet shot from a slingshot hole has the big slightly step groove of diameter in the lock core, pellet shot from a slingshot in the lock body is entered in the groove under the marble spring effect, thereby stop lock core to be rotated further, even tool using quick rotation lock core, because the space of groove stepped hole is bigger, pellet shot from a slingshot in the lock body is embedded in the groove stepped hole, thereby stops technical quick rotation lock core illegally to be unblanked.The utility model is simple in structure, and is easy to process.
Description of drawings
Fig. 1 has the overall structure schematic diagram of the cylinder lock of anti-unlocking mechanism for the utility model is a kind of;
Fig. 2 has the interior position, pellet shot from a slingshot hole of lock core and the groove stepped hole structural representation of the cylinder lock of anti-unlocking mechanism for the utility model is a kind of;
Fig. 3 has the schematic diagram of unblanking under the normal condition of cylinder lock of anti-unlocking mechanism for the utility model is a kind of.
Fig. 4 has the schematic diagram of unblanking under the improper situation of cylinder lock of anti-unlocking mechanism for the utility model is a kind of.
Marginal data:
1-lock body parts, 2-lock core parts, 3-lock core marble, 4-lock spring, 5-lock core marble hole, 6-lock marble hole, 7-marble spring, 8-groove stepped hole, 9-key.
The specific embodiment
A kind of cylinder lock that has anti-unlocking mechanism provided by the utility model can prevent effectively that technical quick rotation from unblanking, and is applicable to that theftproof lock, door lock etc. need lock core to rotate the occasion that multi-turn just can be unblanked.
Embodiment of the present utility model is: a kind of lock cylinder that prevents quick pirate of the open comprises lock body, lock core, lock core marble, lock spring, lock core marble hole, lock marble hole, marble spring.Wherein, the outer end of lock core marble hole has the groove stepped hole greater than lock core marble hole.Described lock core has the more than one lock core marble hole that has greater than the groove stepped hole of lock core marble bore dia at least.Described groove stepped hole can be the circular groove stepped hole concentric with lock core marble hole.
The operating principle of the utility model embodiment is: because there is groove stepped hole greater than the pellet shot from a slingshot bore dia part pellet shot from a slingshot hole and lock marble hole junction in the lock core, when legal key drives the lock core rotation, because the adaptive lock core that just can make of pellet shot from a slingshot is rotated further in interior pellet shot from a slingshot of lock core and the lock body; When instruments such as using " omnipotent " lockaid gun carries out illegal skilled unlocking, the person of unblanking can make lock core rotate a circle, when the pellet shot from a slingshot hole of lock core is for the second time relative with lock marble hole, because part pellet shot from a slingshot hole has the big slightly step groove of diameter in the lock core, pellet shot from a slingshot in the lock body is entered in the groove under the marble spring effect, thereby stop lock core to be rotated further, even tool using quick rotation lock core, because the space of groove stepped hole is bigger, pellet shot from a slingshot in the lock body is embedded in the groove stepped hole, thereby stops technical quick rotation lock core illegally to be unblanked.
Embodiment:
As shown in Figure 1 and Figure 2, a kind of cylinder lock that has anti-unlocking mechanism, include lock body parts 1 and lock core parts 2, described lock core parts 2 are arranged in the internal cavities of described lock body parts 1, and described lock core parts 2 can rotate in the internal cavities of described lock body parts 1; Described lock body parts 1 include housing, are fixed on marble spring 7 in the housing and the lock spring 4 that is connected with described marble spring 7, and described marble spring 7 and lock spring 4 all are arranged in lock marble hole 6; Described lock core parts 2 comprise lock core body, keyhole and lock core marble 3, and described lock core marble 3 is arranged in lock core marble hole 5; Described lock spring 4 can move in described lock marble hole 6, and described lock core marble 3 can move in described lock core marble hole 5; During locking, the center of described lock marble hole 6 and lock core marble hole 5 is on the same straight line, described lock spring 4 is embedded in the lock core marble hole 5 under described marble spring 7 effects, lock core parts 2 can not rotate, when unblanking, key is inserted keyhole, eject the lock core parts at following lock spring 4 that embeds lock core parts 2 of the effect of key, key can be unblanked by rotational lock core parts 2, it is characterized in that, described lock core marble hole 5 also is provided with groove stepped hole 8 near described lock marble hole 6 one ends, and described groove stepped hole 8 links to each other with lock core marble hole 6, and the appearance and size of described groove stepped hole 8 is greater than the internal diameter size of described lock core marble hole 5.
Described groove stepped hole 8 is circular groove stepped holes concentric with described lock core marble hole 5, and the internal diameter size of described groove stepped hole 8 is greater than the internal diameter size of described lock core marble hole 5.
The quantity of described marble spring 7, lock spring 4, lock core marble 3, lock core marble hole 5 and lock marble hole 6 equates, can be one or more.
Be provided with described groove stepped hole 8 in the described part or all of lock core marble hole 5.
Described a plurality of lock marble hole 6 is distributed on the same straight line.
Described a plurality of lock marble hole 6 also can be distributed on different straight lines or the curve.
As shown in Figure 3, when using legal key 9 normally to unblank, lock core parts 2 internal cylinder pellets shot from a slingshot 5 cooperate a following lock spring 6 to push lock body 1 at key bit (or hole), make lock core parts 2 and lock body parts 1 contact surface not have pellet shot from a slingshot to embed, at this moment, lock core parts 2 can rotate in lock body parts 1; After lock core parts 2 rotate a circle, lock core marble hole 5 and lock marble hole 6 are once more at once, owing to there is the cooperation of legal key 9 to make lock core marble 3 can withstand lock spring 4 it is not embedded in the lock core 2, and the gap that the groove stepped hole 8 of lock core marble hole 5 and lock core marble are 3 lock spring 4 that is unable to hold is so lock core 2 can also be rotated further up to unblanking.
If the skilled unlocking under the improper situations such as use " omnipotent " unlocking tool, even can make lock core parts 2 rotate first lap, but owing to there is not the cooperation of legal key, lock core marble hole 5 is seasonable with 6 pairs of lock marble holes once more, because part lock core marble hole 5 has groove stepped hole 8 in the lock core parts 2, the diameter of its stepped hole position is greater than lock spring 4 diameters, so lock spring 4 is easy to be embedded in the groove stepped hole 8 under marble spring 7 effects, stop lock core parts 2 to be rotated further, as Fig. 4.Even tool using quick rotation lock core parts 2 because the space of groove stepped hole 8 is bigger, also can makes the lock spring 5 in the lock body parts 1 be embedded in the groove stepped hole 8, thereby stop technical quick rotation lock core parts 2 illegally to be unblanked.
Above-mentioned listed specific implementation is nonrestrictive, concerning the person skilled in the art of this area, in not departing from the utility model scope, can carry out various improvement and variation.For example, groove stepped hole 8 can also be hole of other shapes etc.
Claims (7)
1, a kind of cylinder lock that has anti-unlocking mechanism includes lock body parts and rotating lock core parts, and described lock core parts are arranged in the internal cavities of described lock body parts; Described lock body parts include housing, are fixed on marble spring in the housing and the lock spring that is connected with described marble spring, and described marble spring and lock spring all are arranged in described lock marble hole; Described lock core parts comprise lock core body, keyhole and lock core marble, and described lock core marble is arranged in lock core marble hole; It is characterized in that described lock core marble hole also is provided with the groove stepped hole near described lock marble hole one end, described groove stepped hole links to each other with lock core marble hole, and the appearance and size of described groove stepped hole is greater than the internal diameter size of described lock core marble hole.
2, a kind of cylinder lock that has anti-unlocking mechanism according to claim 1, it is characterized in that, described groove stepped hole (8) is the circular groove stepped hole concentric with described lock core marble hole (5), and the internal diameter size of described groove stepped hole (8) is greater than the internal diameter size of described lock core marble hole (5).
3, a kind of cylinder lock that has anti-unlocking mechanism according to claim 1 and 2, it is characterized in that, the quantity of described marble spring (7), lock spring (4), lock core marble (3), lock core marble hole (5) and lock marble hole (6) equates, for one or more.
4, a kind of cylinder lock that has anti-unlocking mechanism according to claim 3 is characterized in that, is provided with described groove stepped hole (8) in the described lock core marble hole of part (5).
5, a kind of cylinder lock that has anti-unlocking mechanism according to claim 3 is characterized in that, is provided with described groove stepped hole (8) in whole described lock core marble holes (5).
6, according to claim 4 or 5 described a kind of cylinder locks that have anti-unlocking mechanism, it is characterized in that described a plurality of lock marble holes (6) are distributed on the same straight line.
7, according to claim 4 or 5 described a kind of cylinder locks that have anti-unlocking mechanism, it is characterized in that described a plurality of lock marble holes (6) are distributed on different straight lines or the curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520063347 CN2841873Y (en) | 2005-08-24 | 2005-08-24 | A kind of cylinder lock that has anti-unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520063347 CN2841873Y (en) | 2005-08-24 | 2005-08-24 | A kind of cylinder lock that has anti-unlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2841873Y true CN2841873Y (en) | 2006-11-29 |
Family
ID=37445760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520063347 Expired - Lifetime CN2841873Y (en) | 2005-08-24 | 2005-08-24 | A kind of cylinder lock that has anti-unlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2841873Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852200A (en) * | 2020-07-22 | 2020-10-30 | 李永杰 | Anti-theft lock for intelligent security system |
-
2005
- 2005-08-24 CN CN 200520063347 patent/CN2841873Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852200A (en) * | 2020-07-22 | 2020-10-30 | 李永杰 | Anti-theft lock for intelligent security system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150824 Granted publication date: 20061129 |
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| EXPY | Termination of patent right or utility model |