CN2625510Y - Theftproof lock - Google Patents
Theftproof lock Download PDFInfo
- Publication number
- CN2625510Y CN2625510Y CN 03227595 CN03227595U CN2625510Y CN 2625510 Y CN2625510 Y CN 2625510Y CN 03227595 CN03227595 CN 03227595 CN 03227595 U CN03227595 U CN 03227595U CN 2625510 Y CN2625510 Y CN 2625510Y
- Authority
- CN
- China
- Prior art keywords
- lock
- tongue
- door
- projecting point
- dead bolt
- 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 discloses a burglary-resisting lock which comprises an existing door lock sleeve arranged on the door, a pin, a key hole, a lock tongue and a tongue sleeve arranged on a door frame and inserted into the lock tongue, wherein a projecting point is arranged at the inclined plane of the lock tongue and a slot through which the projecting point can pass is arranged at a sliding position along the projecting point which is inserted into the edge of the tongue sleeve. The structure can be used for locks with different tongue shapes: while people locking or closing the doors, the projecting point on the lock tongue can pass in or out the slot through which the corresponding projecting point of the tongue sleeve passes, without influence on the opening or closing of the door; while the lock is moved aside in an aperture by the larceners with a little card, the lock tongue can not get back into the lock in the influence of the projecting point, the door can not be opened, and thus avoiding the housebreaking. The utility model has the advantages of simple structure and low producing cost and easy practicality.
Description
Technical field
The utility model relates to a kind of family or unit and is installed in theftproof lock on the door.
Background technology
Existing door lock is owing to have the slit in the middle of lock and door, often there is the people to utilize a lamellule or little card just can from the slit, push aside to lock and commits theft in the inlet chamber, existing theftproof lock is the structure more complicated then, all be will be by after locking in the key insertion lock, just preventing to push aside, brought operational trouble like this, and price is also somewhat expensive.
The utility model content
It is a kind of simple in structure that the purpose of this utility model is to provide, and cost is low, allows thief not push a kind of theftproof lock of locking and committing theft in the inlet chamber aside from the slit with little card.
The utility model comprises the existing tongue cover that is installed in door lock sleeve, lock core, keyhole, dead bolt on the door, is installed in the insertion dead bolt on the doorframe: it is characterized in that being provided with a salient point on the inclined-plane of dead bolt, slip over the position at the tongue cover outer salient point that inserts dead bolt and be provided with the groove that a salient point passes through.
This structure can be used for the lock of various different tongue structures, when people lock a door or at closing time, salient point on the dead bolt groove that tongue cover corresponding position salient point passes through of can freely coming in and going out, can not influence and open the door or close the door, but when if thief is pushed lock aside with little card from the slit, because the effect of this salient point can not be committed theft in the inlet chamber so can not open door in the dead bolt setback lock.This lock simple in structure, cost is low, implements easily.
Description of drawings
Fig. 1 is the utility model dead bolt part-structure schematic diagram;
Fig. 2 is the utility model lock bolt sleeve structural representation.
The specific embodiment
In conjunction with the accompanying drawings: the utility model comprises the existing tongue cover 5 that is installed in door lock sleeve 1, lock core 2, keyhole 3, dead bolt 4 on the door, is installed in the insertion dead bolt on the doorframe.Be provided with a salient point 6 at dead bolt 4 chamfered portions, overlap 5 outer salient points at the tongue that inserts dead bolt and slip over the position corresponding position and be provided with the groove 7 that a salient point passes through.
Claims (1)
1. theftproof lock, comprise and have door lock sleeve, lock core, keyhole, the dead bolt that is installed on the door, the tongue cover that is installed in the insertion dead bolt on the doorframe now, it is characterized in that being provided with a salient point, slip over the position at the tongue cover outer salient point that inserts dead bolt and be provided with the groove that a salient point passes through on the inclined-plane of dead bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03227595 CN2625510Y (en) | 2003-05-09 | 2003-05-09 | Theftproof lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03227595 CN2625510Y (en) | 2003-05-09 | 2003-05-09 | Theftproof lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2625510Y true CN2625510Y (en) | 2004-07-14 |
Family
ID=34246938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03227595 Expired - Fee Related CN2625510Y (en) | 2003-05-09 | 2003-05-09 | Theftproof lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2625510Y (en) |
-
2003
- 2003-05-09 CN CN 03227595 patent/CN2625510Y/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 |