CN202810378U - Security door lock not easy to pick - Google Patents
Security door lock not easy to pick Download PDFInfo
- Publication number
- CN202810378U CN202810378U CN 201220411466 CN201220411466U CN202810378U CN 202810378 U CN202810378 U CN 202810378U CN 201220411466 CN201220411466 CN 201220411466 CN 201220411466 U CN201220411466 U CN 201220411466U CN 202810378 U CN202810378 U CN 202810378U
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- CN
- China
- Prior art keywords
- door lock
- key
- aperture
- hole
- pick
- 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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Abstract
The utility model discloses a security door lock not easy to pick. A security door is provided with a small hole, a door lock is arranged on the small hole, a key hole of the door lock is arranged downwards, a key of door lock is bent, a key head and a key handle are perpendicular to each other, the bent key touches the key hole through the small hole and is upwards inserted into the key hole, the key head is rotated by swinging the key handle, and the door lock is unlocked. Due to the fact that the key hole is hidden inside the small hole, thieves can not unlock the door lock with picklocks.
Description
Affiliated technical field:
The invention belongs to safe-guard door lock.
Background technology: the structure of safe-guard door lock is a lot, but the thief always has way that it is pried open.
Summary of the invention: the present invention has aperture at security door, door lock is arranged on the top of aperture, the keyhole of door lock is arranged to downwards, the key of door lock is made crooked, key bit and the shank of the key are orthogonal, the bending key is visited in the backward upper insertion keyhole of keyhole by aperture, by swinging the shank of the key key bit is rotated, and starts door lock.Because keyhole is hidden in the aperture, make the thief can't use picklock to unblank.
Accompanying drawing: Fig. 1 is from the indoor security door of seeing and door lock schematic diagram, and Fig. 2 is the key schematic diagram.
Specific embodiment: such as figure, have the aperture 3 of inverted L-shaped on the security door 4, door lock 1 is arranged on the top of aperture 3, the keyhole 2 of door lock is arranged to downwards, the key of door lock is made crooked, and key bit 5 and the shank of the key 6 are orthogonal, and the key bit 5 of bending key is visited in keyhole 2 backward upper insertion keyholes by aperture 3, make key bit 5 rotate opening door lock by swinging the shank of the key 6.Because keyhole is hidden in the aperture, make the thief can't use picklock to unblank.One of the aperture 3 of inverted L-shaped perpendicular be used for allowing key bit 5 enter and upwards insert in the keyhole, and one of the aperture 3 of inverted L-shaped horizontally is used for allowing the shank of the key 6 swing.
Claims (3)
1. the safe-guard door lock of a difficult sled, it is characterized in that: have aperture (3) on the door, door lock (1) is arranged on the top of aperture (3), and the keyhole (2) of door lock (1) arranges downwards in the top of aperture.
2. the safe-guard door lock of a kind of difficult sled according to claim 1, it is characterized in that: the key of door lock is made crooked, and key bit (5) and the shank of the key (6) are orthogonal.
3. the safe-guard door lock of a kind of difficult sled according to claim 1 is characterized in that: aperture 3 is made inverted L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411466 CN202810378U (en) | 2012-08-20 | 2012-08-20 | Security door lock not easy to pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411466 CN202810378U (en) | 2012-08-20 | 2012-08-20 | Security door lock not easy to pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202810378U true CN202810378U (en) | 2013-03-20 |
Family
ID=47869281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220411466 Expired - Fee Related CN202810378U (en) | 2012-08-20 | 2012-08-20 | Security door lock not easy to pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202810378U (en) |
-
2012
- 2012-08-20 CN CN 201220411466 patent/CN202810378U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20140820 |
|
| EXPY | Termination of patent right or utility model |