CN2382799Y - Anti-theft door lock - Google Patents
Anti-theft door lock Download PDFInfo
- Publication number
- CN2382799Y CN2382799Y CN 99219098 CN99219098U CN2382799Y CN 2382799 Y CN2382799 Y CN 2382799Y CN 99219098 CN99219098 CN 99219098 CN 99219098 U CN99219098 U CN 99219098U CN 2382799 Y CN2382799 Y CN 2382799Y
- Authority
- CN
- China
- Prior art keywords
- lock
- door lock
- safe
- guard door
- fixed head
- 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
Links
Abstract
The utility model relates to an anti-theft door lock which belongs to a built-in anti-theft door lock with a forced unlocking part. The door using the existing built-in anti-theft door lock can only be opened by destroying the door lock or a door body when the door lock is clamped and does not work, or a key is lost or broken off, etc. The utility model comprises a lock body, a lock core and a lock tongue, and is characterized in that the lock body is provided with a forced unlocking part, an unlocking hole is arranged in the position corresponding to the part on an inner cover plate. When the built-in anti-theft door lock can not be opened successfully, the position of the forced unlocking part can be changed via the unlocking hole, and the door lock can be opened without destroying the door body, the utility model can be maintained and changed conveniently.
Description
The utility model relates to a kind of safe-guard door lock, especially a kind of built-in safe-guard door lock that has the parts of forcing to unblank.
Security door is as a kind of indoor anti-theft tool, and is of many uses, but also there are some defectives in it in antitheft.The employed lockset of existing security door mainly comprises external and built-in two kinds, the external safe-guard door lock is installed in external of antitheft every, advantage is can be for convenience detach when lockset breaks down, it is attractive in appearance inadequately that shortcoming is that lock body exposes, and its lock body of built-in safe-guard door lock, lock core places in antitheft every body, only reveal the outside cover plate, the profile better appearance, and can lock by some points, but in case it is stuck malfunctioning that lockset takes place, situations such as key is lost or key fractures in lockhole, lockset just is difficult to open, and influence is is normally come in and gone out, the mode of only taking to destroy lockset or door body just can be dealt with problems, and brings very big trouble to the user.
The purpose of this utility model provides a kind ofly to be lost or key when fractureing in lockhole when stuck malfunctioning, the key of safe-guard door lock, the built-in safe-guard door lock of the parts of forcing having of being convenient to open, keep in repair and change to unblank.
For achieving the above object, the technical solution of the utility model comprises lock core that places in the lock body and the dead bolt that is connected on the fixed head, the shift fork of control fixed head action is assemblied on the lock core, it is characterized in that lock body is provided with force to unblank parts and corresponding to the open keyhole of the parts of forcing to unblank, described pressure parts one end of unblanking is connected on the fixed head, and the other end is connected on the support.Cause the fixed head displacement after these parts are destroyed, thereby lockset opened,
A kind of safe-guard door lock is characterized in that the described pressure parts of unblanking are extension spring or are fixed on the sheet connector of deciding on the plate by screw, cuts off extension spring or unscrews screw and unscrew and have chute sheet connector by open keyhole, can the enforced opening lockset.
A kind of safe-guard door lock is characterized in that lock core can control two groups of locks simultaneously, and two groups of locks are by the connector interlock, and the described two groups of lock side of being respectively tongues locks and skew bolt lock are to guarantee anti-theft effect better.
A kind of safe-guard door lock is characterized in that open keyhole is positioned on the inner cover plate of safe-guard door lock inboard, avoids the stranger from enforced opening lockset outdoors.
After adopting this device, make safe-guard door lock except key, can also be by forcing the parts unlatching of unblanking, when safe-guard door lock because when stuck malfunctioning, key is lost or key fractures in lockhole, only need to force to unblank position component by the open keyhole change, door lock just can be opened, and the door body is not damaged convenient for maintaining and replacing.
Further specify the utility model below in conjunction with Figure of description, and provide embodiment.
Fig. 1 is the utility model structural representation.
As shown in the figure, the built-in safe-guard door lock that has the parts of forcing to unblank, comprise and place the lock core (2) in the lock body (1) and be connected dead bolt (4) on the fixed head (5), the shift fork (6) of control fixed head action is assemblied on the lock core (2), pressure on the lock body parts (10) of unblanking are an extension spring, open keyhole (8) corresponding to the parts of forcing to unblank is positioned on the inner cover plate (7) of safe-guard door lock inboard, and extension spring one end is connected on the fixed head, and the other end is connected on the support (9) on the lock body (1).When the safe-guard door lock unlatching was broken down, cutting tool can pass this open keyhole (8) and cut off extension spring (6), and fixed head (5) is glided, and dead bolt resets, and door lock just can be opened.Open keyhole is the circular hole of φ=6-20mm.For guaranteeing anti-theft effect better, can make two groups of locks simultaneously, two groups of locks are controlled by lock core (2) by connector (5) interlock.Two groups of the lock sides of being respectively tongue lock (4) and skew bolt locks (3).
The also applicable built-in safe-guard door lock of the utility model with world lock construction.
Claims (4)
1, a kind of safe-guard door lock, comprise and place the lock core (2) in the lock body (1) and be connected dead bolt (4) on the fixed head (5), the shift fork (6) of control fixed head (5) action is assemblied on the lock core (2), it is characterized in that lock body (1) is provided with force to unblank parts (10) and corresponding to the open keyhole (8) of parts (10) of forcing to unblank, described pressure parts (10) one ends of unblanking are connected on the fixed head (5), and the other end is connected on the support (9).
2, a kind of safe-guard door lock as claimed in claim 1 is characterized in that the described pressure parts (10) of unblanking are fixed on sheet connector on the fixed head (5) for extension spring or by screw.
3, a kind of safe-guard door lock as claimed in claim 1 is characterized in that lock core (2) can control two groups of locks simultaneously, and two groups of locks are by connector (11) interlock, the described two groups of lock side of being respectively tongues locks and skew bolt lock (3).
4, a kind of safe-guard door lock as claimed in claim 1 is characterized in that open keyhole (8) is positioned on the inner cover plate (7) of built-in safe-guard door lock inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99219098 CN2382799Y (en) | 1999-08-11 | 1999-08-11 | Anti-theft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99219098 CN2382799Y (en) | 1999-08-11 | 1999-08-11 | Anti-theft door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2382799Y true CN2382799Y (en) | 2000-06-14 |
Family
ID=34010117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99219098 Expired - Fee Related CN2382799Y (en) | 1999-08-11 | 1999-08-11 | Anti-theft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2382799Y (en) |
-
1999
- 1999-08-11 CN CN 99219098 patent/CN2382799Y/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 |