CN2383923Y - Improved anti-theft lock - Google Patents
Improved anti-theft lock Download PDFInfo
- Publication number
- CN2383923Y CN2383923Y CN 99236994 CN99236994U CN2383923Y CN 2383923 Y CN2383923 Y CN 2383923Y CN 99236994 CN99236994 CN 99236994 CN 99236994 U CN99236994 U CN 99236994U CN 2383923 Y CN2383923 Y CN 2383923Y
- Authority
- CN
- China
- Prior art keywords
- lock
- locking bolt
- shaped
- sleeve
- accompanying
- 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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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to an improved theft-proof lock composed of a U-shaped lock rack, a lock bolt, a lock assembly, etc. The lock bolt and the lock assembly are connected; the lock assembly is hinged on one end of the U-shaped lock rack through a lock sleeve, and the other end of the U-shaped lock rack is provided with a lock bolt sleeve, wherein, the interior of which is provided with a lug boss; the interior of the end of the lock bolt is provided with a groove engaged with the lug boss. The utility model is improved on the basis of an original U-shaped rack theft-proof lock, and has the advantages of double theft-proof functions, simple structure, good manufacturability and low cost.
Description
The utility model relates to a kind of theftproof lock, particularly a kind of U-shaped frame theftproof lock.
U-shaped frame theftproof lock is various in style, and its structure all is that this theftproof lock is simple, practical by lock assembly locking locking bolt and U-shaped frame basically, but also easily by people's picking lock.Chinese patent ZL98233694.2 discloses a kind of " anti-theft lock for vehicle ", and its tapered end sleeve outer end reducing and tapered end appearance are the spline slot type, slides vertically when opening and closing lock; But this lock construction complexity, cost depart from, and practical value is not high.
The purpose of this utility model is at above-mentioned deficiency, proposes a kind of improved theftproof lock, and it improves on former U-shaped frame anti-theft lock structure basis a little, and cost is low to reach, the purpose of good anti-theft effect.
The utility model is locked frame, locking bolt, lock assembly etc. by U-shaped and is formed, locking bolt links to each other with lock assembly, lock assembly is hinged on U-shaped lock frame one end, the U-shaped lock frame other end is the locking bolt sleeve, it is characterized in that being provided with boss in the locking bolt sleeve, be provided with the groove that is meshed with locking bolt sleeve inner convex platform in the locking bolt end.
Above-mentioned lock assembly and U-shaped lock frame hinged place are provided with locating piece.
The utility model improves on original U-shaped frame theftproof lock basis a little, has dual latch effect, and simple in structure, cost is low, dependable performance, good manufacturability.
Now in conjunction with the accompanying drawings the utility model is further described:
Accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 is A-A sectional drawings of accompanying drawing 1;
Accompanying drawing 3 is N-N sectional drawings of accompanying drawing 1;
Accompanying drawing 4 is the utility model positioning states schematic diagrames of unblanking;
Accompanying drawing 5 is that the C of accompanying drawing 4 is to view;
Accompanying drawing 6 is that the B of accompanying drawing 4 is to view.
Shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, one end of U-shaped lock frame 10 is the locking bolt sleeve 8 of locking location, the other end is hinged tapered end, and tapered end comprises tapered end sleeve 1, tapered end assembly 2, flat key groove sleeve 3, fixedly pin 4, stage clip 5, staight shank locking bolt 6, reference column lock 7 and position block 9.In conjunction with the accompanying drawings 4, shown in the accompanying drawing 5, accompanying drawing 6, be provided with boss 81 in the locking bolt sleeve 8, the staight shank locking bolt is provided with groove 61 in 6 ends.
Turning joint 90 degree, promotion fixedly pin 4 is in axial sliding along flat key groove sleeve 3, and stage clip 5 is compressed, and rotate about 30 degree in the counterclockwise direction, at this moment, the groove 61 of staight shank locking bolt 6 ends and the boss 81 in the locking bolt sleeve 8 are meshing with each other, and then can realize the locking location.Otherwise, rotating about 30 degree along clockwise direction, the location pin 7 of staight shank locking bolt 6 contacts with the external diameter of tapered end sleeve 1 and matches, and then can realize the positioning states of unblanking automatically, as shown in Figure 4.
Claims (2)
1, a kind of improved theftproof lock, form by U-shaped lock frame (10), locking bolt (6), lock assembly etc., locking bolt (6) links to each other with lock assembly, lock assembly is hinged on U-shaped lock frame (10) one ends, U-shaped lock frame (10) other end is locking bolt sleeve (8), it is characterized in that being provided with in the locking bolt sleeve (8) boss (81), be provided with the groove (61) that is meshed with locking bolt sleeve (8) inner convex platform (81) in locking bolt (6) end.
2, improved theftproof lock according to claim 1 is characterized in that place, lock assembly and U-shaped lock frame (10) hinge position is provided with locating piece (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99236994 CN2383923Y (en) | 1999-08-30 | 1999-08-30 | Improved anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99236994 CN2383923Y (en) | 1999-08-30 | 1999-08-30 | Improved anti-theft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2383923Y true CN2383923Y (en) | 2000-06-21 |
Family
ID=34024735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99236994 Expired - Fee Related CN2383923Y (en) | 1999-08-30 | 1999-08-30 | Improved anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2383923Y (en) |
-
1999
- 1999-08-30 CN CN 99236994 patent/CN2383923Y/en not_active Expired - Fee Related
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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 |