CN2187642Y - Protective lock for door lock - Google Patents
Protective lock for door lock Download PDFInfo
- Publication number
- CN2187642Y CN2187642Y CN 94228022 CN94228022U CN2187642Y CN 2187642 Y CN2187642 Y CN 2187642Y CN 94228022 CN94228022 CN 94228022 CN 94228022 U CN94228022 U CN 94228022U CN 2187642 Y CN2187642 Y CN 2187642Y
- Authority
- CN
- China
- Prior art keywords
- door
- lock
- baffle
- utility
- model
- 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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- Supports Or Holders For Household Use (AREA)
Abstract
The utility model discloses a protective lock for a door lock of a theftproof door, which is composed of a cover plate, a baffle, a base plate and keys. The baffle slides under the control of pressing two keys. When a door is closed, a keyhole is blocked by the baffle and the protection keyhole is blocked; when the door is opened, the baffle is slid downwardly and the keyhole exposes. The door lock is protected by the utility model. The utility model has the advantage of convenient operation. The utility model is operated in a dark day without light, and simultaneously is suitable for blind men.
Description
The utility model is a kind of protector of safe-guard door lock, is used for the device that protection anti-theft door lock eye is blocked.
At present, be security insurance, security door has all been installed by many families, but following, and the security door keyhole dead situation that is blocked happens occasionally, so that has to destroy security door, makes resident family be subjected to very big loss.
The purpose of this utility model provides a kind of Protective lock, can prevent that keyhole is blocked.
The utility model is to realize like this, on the cover plate two circular holes are arranged, its centre distance equates with security door two lock center to center distance, one groove and key hole are arranged on the base plate, baffle plate inlays in groove, spring and button are housed in the key hole, there is feather key to be used as the promotion slide plate on the baffle plate, feather key and button all are exposed on the cover plate face, base plate is connected by spot welding with cover plate, adjust device after, press two buttons of reserving in advance simultaneously and baffle plate can be pushed to, block keyhole, still baffle plate can be pushed when opening the door and expose keyhole by this two key.
Owing to adopt such scheme, have only family member to know by those two keys simultaneously, played the effect of protection anti-theft door lock like this, it is simple in structure, and is easy to operate, even and the without a licence at night understand and also can use under the condition, and be suitable for the blind person and use.
Accompanying drawing is embodiment of the present utility model.Fig. 1 is the positive external form figure of protector.Fig. 2 is the sectional drawing of Fig. 1.
1 cover plate among the figure, 2 baffle plates, 3,4,5,6, four buttons, 7 base plates, 8 springs, 9 feather keys, 10 screw holes
Protective lock is contained on the security door with screw by screw hole, two locks of two circular holes and security door align on the cover plate, close behind the door, by two keys 3,5 at this moment feather key 9 upwards being pushed away baffle plate 2 promptly goes up and sliding lockhole is blocked, when opening the door, still button 3,5 pushes away feather key 9 downwards, and then baffle plate glides and exposes two keys again.
Claims (2)
1, a kind of door lock Protective lock that is used for security door is characterized in that being made up of cover plate, baffle plate, base plate and button, and button and baffle plate all are contained in the key hole and groove on the base plate, and spring is housed in the key hole, and baffle plate can slide up and down in groove.
2, door lock Protective lock according to claim 1 is characterized in that having four buttons to be loaded on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94228022 CN2187642Y (en) | 1994-03-15 | 1994-03-15 | Protective lock for door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94228022 CN2187642Y (en) | 1994-03-15 | 1994-03-15 | Protective lock for door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2187642Y true CN2187642Y (en) | 1995-01-18 |
Family
ID=33840654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94228022 Expired - Fee Related CN2187642Y (en) | 1994-03-15 | 1994-03-15 | Protective lock for door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2187642Y (en) |
-
1994
- 1994-03-15 CN CN 94228022 patent/CN2187642Y/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 |