CN202280299U - Novel anti-theft round lock and key - Google Patents
Novel anti-theft round lock and key Download PDFInfo
- Publication number
- CN202280299U CN202280299U CN2011203595491U CN201120359549U CN202280299U CN 202280299 U CN202280299 U CN 202280299U CN 2011203595491 U CN2011203595491 U CN 2011203595491U CN 201120359549 U CN201120359549 U CN 201120359549U CN 202280299 U CN202280299 U CN 202280299U
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- pellet shot
- slingshot
- key
- special
- lock core
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Abstract
The utility model discloses a novel anti-theft round lock and a key. The novel anti-theft round lock comprises a lock body (1), a lock core (2) and the key (3). A lower pin tumbler (6), an upper pin tumbler (7) and a pin tumbler spring (8) are sequentially installed in a pin tumbler hole. The lock core is provided with a special-shaped pin tumbler hole (10), the special-shaped pin tumbler hole (10) and the pin tumbler hole are arranged in a cross mode, a special-shaped pin tumbler spring (5) and a special-shaped pin tumbler (11) are correspondingly disposed in the special-shaped pin tumbler hole (10), the special-shaped pin tumbler (11) is provided with a stress rod (12) and a notch (13), the stress rod (12) extends into a key hole (4) to be matched with the key (3), a lockout groove (15) is disposed on the lock core (2) , and a clamping groove (18) is arranged on the lock body (1). A lockout piece (14) is disposed on the lockout groove (15), one side of the lockout piece (14) is matched with the notch (13), and the other side of the lockout piece (14) is matched with a clamping groove (18). By means of the structure, the novel anti-theft round lock not only has the advantages of being simple and reasonable in structure, flexible, light and convenient to open and close, low in mutually-opening rate, good in anti-theft performance and the like, but also leads the novel key of a different structure to be produced.
Description
Technical field
The utility model relates to a kind of mechanical anti-theft lock head, and is particularly a kind of to the theftproof performance of mechanical billiard circle tapered end and the improvement of key flute profile.
Background technology
The existing mechanical lock is of a great variety, and profile is ever-changing, but the internal construction of tapered end is basic identical, mainly is made up of parts such as tapered end, lock core, key, marble spring, last pellet shot from a slingshot, following pellets shot from a slingshot.Lock core is cylindric; The center is provided with keyhole, is installed in rotation in the centre bore of tapered end, is distributed with some pellets shot from a slingshot hole at the keyhole peripheral position; Just be to use the most general wherein a kind ofly like the cross core keyhole, marble spring be installed in the hole, go up pellet shot from a slingshot and following pellet shot from a slingshot.During blocking, the following pellet shot from a slingshot in the pellet shot from a slingshot hole all is lower than plug face under the elastic force effect of marble spring, and a last pellet shot from a slingshot part gets in the lock core, and another part is stayed in the tapered end, and this moment, lock core can not rotate.After inserting key; The different key bit of height overcomes behind the elastic force of marble spring extruding pellet shot from a slingshot down on the key; Make down pellet shot from a slingshot upwards do moving of differing heights, whole following pellet shot from a slingshot afterbodys and plug face are maintained an equal level, and all discharge lock core to last pellet shot from a slingshot; Lock core is free to rotate under key drives, and tapered end can be opened.
When this type of tapered end had just been released market, because pellet shot from a slingshot is along circle distribution and distribute morely, the lawless person did not also have special-purpose pirate of the open instrument for the moment, and therefore, theftproof performance is better.But after use in a few years, occurred the special-purpose pirate of the open instrument to this type of tapered end on the market, theftproof performance also As time goes on and constantly descends, and theftproof performance can not be satisfactory.For this reason, many manufacturers and knowledgeable people have carried out R and D, but do not have rational product to emerge so far as yet.Summary of the invention
In order to overcome the problems referred to above that the existing machinery anti-theft lock end exists, the purpose of the utility model provides a kind of round tapered end of novel anti-theft simple and reasonable, that switching is light flexibly, mutual opening rate is low, anti-pirate of the open performance is good and key.
The utility model solves the technical scheme that its technical problem adopted, and it comprises tapered end, lock core, key, and lock core is arranged on the tapered end rotationally; Lock core is provided with keyhole, is distributed with the pellet shot from a slingshot hole that communicates with keyhole on tapered end and the lock core, pellet shot from a slingshot is housed down in the pellet shot from a slingshot hole successively, goes up pellet shot from a slingshot, marble spring and by the rivet capping; Described lock core is provided with the special-shaped pellet shot from a slingshot hole vertical with the pellet shot from a slingshot hole; Abnormity pellet shot from a slingshot hole and pellet shot from a slingshot hole cross-distribution, correspondence is provided with special-shaped marble spring and special-shaped pellet shot from a slingshot in the special-shaped pellet shot from a slingshot hole, and special-shaped pellet shot from a slingshot is provided with force rod and breach; Force rod stretches in the keyhole and with key and cooperates; Lock core is provided with the locking groove that communicates with special-shaped pellet shot from a slingshot hole, and tapered end is provided with the draw-in groove corresponding with locking groove, is provided with the locking sheet through spring on the locking groove; Locking sheet one side cooperates with the breach of special-shaped pellet shot from a slingshot, and the opposite side of locking sheet cooperates with draw-in groove.
Describedly be provided with groove tooth that is complementary with following pellet shot from a slingshot and the key bit that matches with force rod on the key.
After adopting said structure; With prior art following advantage and effect are arranged relatively: the one, owing to having increased by one, the Lower Half at lock core arranges special-shaped pellet shot from a slingshot vertical and the locking sheet that matches with special-shaped pellet shot from a slingshot with pellet shot from a slingshot; Make the structure of unblanking that great variety take place; Further increase opening difficulty, improved the security performance of anti-technical opening, the 2nd, because special-shaped pellet shot from a slingshot is different with structure and the common spring that key cooperates; Derive the key of novel key toothing for this reason, make key have visibly different surface.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 looks sketch map for the left side of the utility model.
Fig. 3 is the A-A cross-sectional view of Fig. 1.
Fig. 4 is the structural representation of the utility model abnormity pellet shot from a slingshot.
Fig. 5 is the structural representation of the utility model key.
1 tapered end wherein, 2 lock cores, 3 keys, 4 keyholes, 5 special-shaped marble springs, 6 times pellets shot from a slingshot; Pellet shot from a slingshot on 7,8 marble springs, 9 rivets, 10 special-shaped pellet shot from a slingshot holes, 11 special-shaped pellets shot from a slingshot, 12 force rods; 13 breach, 14 locking sheets, 15 locking grooves, 16 groove teeth, 17 key bits, 18 draw-in grooves.
The specific embodiment
Fig. 1 is the specific embodiments of a kind of novel anti-theft circle tapered end of the utility model and key to shown in Figure 5, and it comprises tapered end 1, lock core 2, key 3; Lock core 2 is arranged on the tapered end 1 rotationally; Lock core 2 is provided with keyhole 4, is distributed with the pellet shot from a slingshot hole that communicates with keyhole 4 on tapered end 1 and the lock core 2, pellet shot from a slingshot 6 is housed down in the pellet shot from a slingshot hole successively, goes up pellet shot from a slingshot 7, marble spring 8 and by rivet 9 cappings; Described lock core 2 is provided with the special-shaped pellet shot from a slingshot hole 10 vertical with the pellet shot from a slingshot hole; Abnormity pellet shot from a slingshot hole 10 and pellet shot from a slingshot hole cross-distribution, correspondence is provided with special-shaped marble spring 5 and special-shaped pellet shot from a slingshot 11 in the special-shaped pellet shot from a slingshot hole 10, and special-shaped pellet shot from a slingshot 11 is provided with force rod 12 and breach 13; Force rod 12 stretches in the keyhole 4 and with key 3 and cooperates; Lock core 2 is provided with the locking groove 15 that communicates with special-shaped pellet shot from a slingshot hole 10, and tapered end 1 is provided with the draw-in groove 18 corresponding with locking groove 15, is provided with locking sheet 14 through spring on the locking groove 15; Locking sheet 14 1 sides cooperate with the breach 13 of special-shaped pellet shot from a slingshot 11, and the opposite side of locking sheet 14 cooperates with draw-in groove 18.
Described key 3 is provided with groove tooth 16 that is complementary with following pellet shot from a slingshot 8 and the key bit 17 that matches with force rod 12.
The utility model course of work is following: when inserting key 3 on the keyhole 4 at lock core 2; The different groove tooth 16 of height pushes pellet shot from a slingshot 6 down on the key 3; Make down pellet shot from a slingshot 6 upwards do moving of differing heights; Whole following pellet shot from a slingshot 6 afterbodys and lock core 2 surfaces are maintained an equal level, and enter into last pellet shot from a slingshot 7 whole lock cores 2 of discharging in the tapered end 1; Meanwhile, the key bit 17 of key 3 drives special-shaped pellet shot from a slingshot 11 through force rod 112 and moves, and makes breach 13 alignment of all special-shaped pellets shot from a slingshot 11, and locking sheet 14 enters under the effect of spring in the breach 13, and locking sheet 14 maintains an equal level with lock core 2 surfaces; Lock core 2 is free to rotate under key 3 drives, and tapered end can be opened.
After extracting key 3, following pellet shot from a slingshot 6 all is lower than the external surface of lock core 2 under the effect of marble spring 8, and last pellet shot from a slingshot 7 parts get in the lock core 2, and another part is stayed in the tapered end 1; Abnormity pellet shot from a slingshot 11 automatically resets under the effect of special-shaped marble spring 5, makes breach 13 dislocation of whole special-shaped pellets shot from a slingshot 11, and the space that can hold locking sheet 14 is originally replaced by special-shaped pellet shot from a slingshot 11 self, and locking sheet 14 discharge sections get in the draw-in groove 18 of tapered end 1; Blocked and to rotate by locking sheet 14 again when lock core 2 is blocked by last pellet shot from a slingshot 7, thereby realize locking.
Claims (2)
1. a novel anti-theft is justified tapered end and key; Comprise tapered end (1), lock core (2), key (3), lock core (2) is arranged on the tapered end (1) rotationally, and lock core (2) is provided with keyhole (4); Be distributed with the pellet shot from a slingshot hole that communicates with keyhole (4) on tapered end (1) and the lock core (2); Pellet shot from a slingshot (6) be housed down in the pellet shot from a slingshot hole successively, go up pellet shot from a slingshot (7), marble spring (8) and by rivet (9) capping, it is characterized in that: described lock core (2) is provided with the special-shaped pellet shot from a slingshot hole (10) vertical with the pellet shot from a slingshot hole, special-shaped pellet shot from a slingshot hole (10) and pellet shot from a slingshot hole cross-distribution; The interior correspondence in abnormity pellet shot from a slingshot hole (10) is provided with special-shaped marble spring (5) and special-shaped pellet shot from a slingshot (11); Abnormity pellet shot from a slingshot (11) is provided with force rod (12) and breach (13), and force rod (12) stretches in the keyhole (4) and with key (3) and cooperates, and lock core (2) is provided with the locking groove (15) that communicates with special-shaped pellet shot from a slingshot hole (10); Tapered end (1) is provided with the draw-in groove (18) corresponding with locking groove (15); Locking groove (15) is gone up and is provided with locking sheet (14) through spring, and locking sheet (14) one sides cooperate with the breach (13) of special-shaped pellet shot from a slingshot (11), and the opposite side of locking sheet (14) cooperates with draw-in groove (18).
2. novel anti-theft circle tapered end according to claim 1 and key, it is characterized in that: described key (3) is provided with groove tooth (16) that is complementary with following pellet shot from a slingshot (8) and the key bit (17) that matches with force rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203595491U CN202280299U (en) | 2011-09-23 | 2011-09-23 | Novel anti-theft round lock and key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203595491U CN202280299U (en) | 2011-09-23 | 2011-09-23 | Novel anti-theft round lock and key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202280299U true CN202280299U (en) | 2012-06-20 |
Family
ID=46226472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203595491U Expired - Fee Related CN202280299U (en) | 2011-09-23 | 2011-09-23 | Novel anti-theft round lock and key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202280299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178715A (en) * | 2015-10-09 | 2015-12-23 | 李建元 | Pull-down type magnetic cylinder lock and unlocking key thereof |
-
2011
- 2011-09-23 CN CN2011203595491U patent/CN202280299U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178715A (en) * | 2015-10-09 | 2015-12-23 | 李建元 | Pull-down type magnetic cylinder lock and unlocking key thereof |
| CN105178715B (en) * | 2015-10-09 | 2018-01-19 | 李建元 | Pull-down magnetic cylinder lock and its key for opening the lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20130923 |