CN2818709Y - U-shaped lock of motorcycle - Google Patents
U-shaped lock of motorcycle Download PDFInfo
- Publication number
- CN2818709Y CN2818709Y CN 200520059582 CN200520059582U CN2818709Y CN 2818709 Y CN2818709 Y CN 2818709Y CN 200520059582 CN200520059582 CN 200520059582 CN 200520059582 U CN200520059582 U CN 200520059582U CN 2818709 Y CN2818709 Y CN 2818709Y
- Authority
- CN
- China
- Prior art keywords
- lock
- lock core
- shell
- protective cover
- shift fork
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lock And Its Accessories (AREA)
Abstract
The utility model provides an anti-prying U-shaped lock of a motorcycle, which comprises a lock body, a U-shaped rod and a lock on the end part of the lock body, wherein the lock is composed of an outer shell, a lock core, a lock core sleeve and a protective cover, and the outer shell is fixedly connected with the lock body. The lock core sleeve is arranged in the outer shell and can slide along the outer shell, and the lock core is arranged in the lock core sleeve and can rotate; the lock core is provided with multiple leaf slices which are matched with a key, and the back end of the lock core is provided with a shift fork. A radial sliding groove is arranged on the lock core sleeve corresponding to the shift fork, and the inner of the sliding groove is provided with a lock pin; a lock groove is arranged on the inner wall corresponding to the lock pin and of the outer shell, and a locking spring is arranged between the back end of the lock pin and the inner wall of the lock core sleeve. The back end of the lock core sleeve is provided with a lock bolt which is extended into a locking hole, and an unlocking spring is arranged between the back end of the lock core sleeve and the outer shell. The protective cover is sheathed on the peripheral of the end part of the outer shell, and the protective cover is provided with a through hole corresponding to a key hole. The utility model can prevent brute force from prying the lock and has the advantage of high theft preventing performance, and the utility model is used for the theft prevention of motorcycles, bicycles, etc.
Description
Technical field
The utility model relates to a kind of U-shaped lock, refers in particular to a kind of pick-proof U-shaped lock for motorcycle.
Background technology
Traditional U-shaped lock for motorcycle, the door that lock core generally adopts with the link gear of dead bolt and uses always in its lock body is identical with cylinder lock, page or leaf sheet lock construction, is easy to be pried open by instrument pirate of the open or brute force, and theftproof performance is relatively poor.
Summary of the invention
The purpose of this utility model is to provide a kind of powerful picking lock, a kind of pick-proof U-shaped lock for motorcycle that theftproof performance is good of preventing.
The purpose of this utility model is achieved in that a kind of pick-proof U-shaped lock for motorcycle, comprise lock body body and U-shaped bar, a wherein end of one end of U-shaped bar and lock body body is hinged, the other end of U-shaped bar cooperates with the lockhole that is arranged on lock body body opposite side, the other end at the lock body body is provided with lock body, wherein: described lock body is by shell, lock core, the lock core cover, protective cover is formed, shell is fixedlyed connected with the end of lock body body on one side, lock core is set in the shell and can endwisely slips along shell, lock core is arranged in the lock core cover and can rotates relative to the lock core cover, lock core is provided with the page or leaf sheet that polylith cooperates with key, the lock core rear end is provided with shift fork, is provided with radial groove putting with the corresponding lock core of shift fork, is provided with lock pin in chute, be provided with locked groove at the outer casing inner wall corresponding, between lock pin rear end and lock core cover inwall, be provided with case spring with lock pin; Be provided with dead bolt in lock core cover rear end, dead bolt stretches in the lockhole of lock health, is provided with the spring of unblanking between lock core cover rear end and shell; Protective cover is socketed in the periphery, end of shell, is provided with the through hole corresponding with the keyhole of lock core at the protective cover middle part.
The shift fork of lock core rear end described in the above-mentioned pick-proof U-shaped lock for motorcycle is the eccentric cylinder of installing, and lock pin is provided with the groove that cooperates with shift fork in a side corresponding with shift fork; Be provided with blind hole at shift fork with the end face that contacts of lock pin, in blind hole, be provided with spring.
Flexibly connect between shell described in the above-mentioned pick-proof U-shaped lock for motorcycle and the protective cover, on shell wall, be provided with two corresponding installing holes, in installing hole, be provided with positioning bead, be provided with the recess that adapts with positioning bead at the protective cover inwall, the length that the axial length of recess and dead bolt stretch in the lockhole is consistent, and this recess also extends into a circle along the protective cover inwall.
The utility model prevents powerful picking lock by protective cover is set after adopting said structure, improves theftproof performance.
Description of drawings
Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but does not constitute any restriction of the present utility model.
Fig. 1 is wherein a kind of structural representation of specific embodiment of the utility model;
Fig. 2 is the view of the utility model when unblanking.
The specific embodiment
As shown in Figure 1, pick-proof U-shaped lock for motorcycle of the present utility model, comprise lock body body 1 and U-shaped bar 2, a wherein end of one end of U-shaped bar 2 and lock body body 1 is hinged, the other end of U-shaped bar 2 cooperates with the lockhole 11 that is arranged on lock body body 1 opposite side, the other end at lock body body 1 is provided with lock body 3, lock body 3 is by shell 31, lock core 32, lock core cover 33, protective cover 34 is formed, shell 31 is fixedlyed connected with the end of lock body body 1 on one side, lock core cover 33 is arranged in the shell 31 and can endwisely slips along shell 31, lock core 32 is arranged in the lock core cover 33 and can rotates relative to lock core cover 33, lock core 32 is provided with the page or leaf sheet 35 that polylith cooperates with key, lock core 32 rear ends are provided with shift fork 321, with the corresponding lock cores cover 33 of shift fork 321 on be provided with radial groove 331, be provided with the lock pin 36 that cooperates with shift fork 321 in chute 331, the shift fork 321 of lock core 32 rear ends is the eccentric cylinder of installing, and lock pin 36 is provided with the groove 361 that cooperates with shift fork 321 in a side corresponding with shift fork 321; Be provided with blind hole 322 at shift fork 321 with the end face that contacts of lock pin 36, in blind hole 322, be provided with spring 323; Be provided with locked groove 311 at shell 31 inwalls corresponding, overlap at lock pin 36 rear ends and lock core and be provided with case spring 37 between 33 inwalls with lock pin 36; Overlap 33 rear ends at lock core and be provided with dead bolt 332, dead bolt 332 stretches in the lockhole 11 of lock health 1, overlaps between 33 rear ends and the shell 31 at lock core to be provided with the spring 38 of unblanking; Protective cover 34 is socketed in the periphery, end of shell 31, be provided with the through hole corresponding 341 at protective cover 34 middle parts with the keyhole of lock core 32, flexibly connect between shell 31 and the protective cover 34, on shell 31 walls, be provided with two corresponding installing holes 312, in installing hole 312, be provided with positioning bead 39, be provided with the recess 342 that adapts with positioning bead 39 at protective cover 34 inwalls, the length that the axial length of recess 342 and dead bolt 332 stretch in the lockhole 11 is consistent, and this recess 342 also extends into a circle along the protective cover inwall.
When the utility model specifically uses, blocking as shown in Figure 1, it is promptly lockable to depress protective cover 34, because of flexibly connecting between protective cover 34 and the shell 31, can only rotate protective cover 34, does not have stressed place, can effectively prevent powerful picking lock.
Unlocking condition of the present utility model as shown in Figure 2, after inserting key, because of the tartar of key makes the 35 whole contrapositions of page sheet, lock core 32 is rotated with respect to lock core cover 33, drive shift fork 321 and rotate, thereby make lock pin 36 compression case springs 37, in the withdrawal lock core cover 33, under the effect of the spring 38 of unblanking, lock core cover 33 moves right together with dead bolt 332, and lock is opened.
Claims (3)
1. pick-proof U-shaped lock for motorcycle, comprise lock body body (1) and U-shaped bar (2), a wherein end of one end of U-shaped bar (2) and lock body body (1) is hinged, the other end of U-shaped bar (2) cooperates with the lockhole (11) that is arranged on lock body body (1) opposite side, the other end at lock body body (1) is provided with lock body (3), it is characterized in that: described lock body (3) is by shell (31), lock core (32), lock core cover (33), protective cover (34) is formed, shell (31) is fixedlyed connected with the end of lock body body (1) on one side, lock core cover (33) is arranged in the shell (31) and can endwisely slips along shell (31), lock core (32) is arranged in the lock core cover (33) and can rotates relative to lock core cover (33), lock core (32) is provided with the page or leaf sheet (35) that polylith cooperates with key, lock core (32) rear end is provided with shift fork (321), with the corresponding lock core cover of shift fork (321) (33) on be provided with radial groove (331), in chute (331), be provided with lock pin (36), be provided with locked groove (311) at shell (31) inwall corresponding, between lock pin (36) rear end and lock core cover (33) inwall, be provided with case spring (37) with lock pin (36); Be provided with dead bolt (332) in lock core cover (33) rear end, dead bolt (332) stretches in the lockhole (11) of lock health (1), is provided with the spring of unblanking (38) between lock core cover (33) rear end and shell (31); Protective cover (34) is socketed in the periphery, end of shell (31), is provided with the through hole (341) corresponding with the keyhole of lock core (32) at protective cover (34) middle part.
2. pick-proof U-shaped lock for motorcycle according to claim 1, it is characterized in that: the shift fork (321) of described lock core (32) rear end is the eccentric cylinder of installing, and lock pin (36) is provided with the groove (361) that cooperates with shift fork (321) in a side corresponding with shift fork (321); Be provided with blind hole (322) at shift fork (321) with the end face that contacts of lock pin (36), in blind hole (322), be provided with spring (323).
3. pick-proof U-shaped lock for motorcycle according to claim 1 and 2, it is characterized in that: flexibly connect between described shell (31) and the protective cover (34), on shell (31) wall, be provided with two corresponding installing holes (312), in installing hole (312), be provided with positioning bead (39), be provided with the recess (342) that adapts with positioning bead (39) at protective cover (34) inwall, the length that the axial length of recess (342) and dead bolt (332) stretch in the lockhole (11) is consistent, and this recess (342) also extends into a circle along the protective cover inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520059582 CN2818709Y (en) | 2005-06-08 | 2005-06-08 | U-shaped lock of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520059582 CN2818709Y (en) | 2005-06-08 | 2005-06-08 | U-shaped lock of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2818709Y true CN2818709Y (en) | 2006-09-20 |
Family
ID=37004764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520059582 Expired - Fee Related CN2818709Y (en) | 2005-06-08 | 2005-06-08 | U-shaped lock of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2818709Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654984B (en) * | 2008-08-23 | 2012-12-12 | 张仙驰 | High-performance card code theftproof lock |
-
2005
- 2005-06-08 CN CN 200520059582 patent/CN2818709Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654984B (en) * | 2008-08-23 | 2012-12-12 | 张仙驰 | High-performance card code theftproof lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |