CN2816243Y - Protection device for anti-theft door lock - Google Patents
Protection device for anti-theft door lock Download PDFInfo
- Publication number
- CN2816243Y CN2816243Y CN 200520092331 CN200520092331U CN2816243Y CN 2816243 Y CN2816243 Y CN 2816243Y CN 200520092331 CN200520092331 CN 200520092331 CN 200520092331 U CN200520092331 U CN 200520092331U CN 2816243 Y CN2816243 Y CN 2816243Y
- Authority
- CN
- China
- Prior art keywords
- cover plate
- plate
- key
- base plate
- bottom plate
- 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 a protecting device for anti-theft door locks, which comprises a bottom plate and a cover plate, wherein the cover plate is buckled on the bottom plate. The cover plate is provided with two round holes, and the center distance of the two round holes is equal to the center distance of two locks of an anti-theft door. The centers of the two round holes on the cover plate are provided with at least two key holes. One side of the cover plate is also provided with a sliding key hole. A groove which is inlaid with a baffle plate is arranged on the bottom plate, and a sliding key is arranged on the baffle plate for driving the baffle plate to slide. At least two key grooves are also arranged on the bottom plate, and a spring and a key are arranged in each key groove. The key groove positions on the bottom plate are corresponding to the key hole positions on the cover plate to make the sliding key and the keys exposed on the surface of the cover plate. The bottom plate is connected with the cover plate through spot welding and the bottom plate and the cover plate are arranged at the corresponding positions of the anti-theft door. Simultaneously, when the preset keys are pressed, the baffle plate can be pushed on to block the lock eyes. When the door is opened, the preset keys are pressed and the baffle plate can be pushed down to make the lock eyes exposed.
Description
Technical field
The utility model relates to a kind of parts of safe-guard door lock, particularly relates to the protective device that the safe-guard door lock that keyhole is blocked is protected in a kind of special use, is to the improvement of existing theft-proof door lock structure, belongs to E05B 17/14 field in the International Patent Classification (IPC).
Background technology
At present, it has been the essential condition that removes to a new house that security door is installed, yet the lockhole of the door lock of the security door of selling on the market partly is in the air, who can contact, so the keyhole of security door happens occasionally in situation about being blocked outdoors, so that have to and producer to adopt destructive scheme to remove the door lock of security door, thereby make resident family be subjected to very big loss.China's utility model patent has provided " a kind of Lock Protective Device of security door " for No. 98235741; form by tapered end, Men Bi, the tapered end hole stiffener that is fixed on the wall; it is characterized in that: on the stiffener of the tapered end hole of door wall, be fixed with protective cover, have installing hole and tongue hole that fixing tapered end is used on the protective cover.A kind of " the Key for anti-theft door lock hole protective cover " that China's utility model patent also provides for No. 03201775, comprise the protection tube and the loss prevention cover that are installed in the lock core outside, the bottom of protection tube is provided with the fixedly ear of band installing hole, the top of protection tube is provided with the outer screw thread that connects, the inner end of loss prevention cover is provided with the interior connection screw thread that connects threads engaged with protection tube outward, the outer end of loss prevention cover is a spherical surface body, spherical surface body is provided with an irregular camber line hole, with this irregular camber line hole be complementary for opening dedicated handle.Though these Door lock protectors that technique scheme provides improve to some extent than prior art, effectively avoided the destroyed or blocked phenomenon of keyhole to take place once more, because of structure is complicated, cost of manufacture is higher, so its use value is limited.
The utility model content
The purpose of this utility model is to overcome the prior art above shortcomings; by improvement to existing Door lock protector structure; provided a kind of protective device of novel safe-guard door lock; this door lock protective device adopts button to drive the keyhole of the method protection door lock of plate washer; have simple in structure; easy to operate and safe and reliable characteristics, and under condition is understood in without a licence, also can use.
The technical scheme that the utility model provides is: the protective device of this safe-guard door lock includes base plate and cover plate; wherein said cover plate is buckled on the base plate; be characterized in that described cover plate is provided with two circular holes; these two circular hole centre distances equate with security door two lock center to center distance; be provided with at least two key holes in the middle of two circular holes on the described cover plate; one side of described cover plate also is provided with the feather key hole; described base plate is provided with a groove that inlays baffle plate; baffle plate is provided with feather key; slide as promoting baffle plate; also be provided with at least two on the described base plate by keyway; by spring and button are housed in the keyway; the position of the key hole on the position of pressing keyway on the described base plate and the cover plate is corresponding; feather key hole and key hole that feather key on the described base plate and button pass respectively on the cover plate are exposed on the cover plate face; after base plate is connected by spot welding with cover plate and is installed in the relevant position of security door; pressing the button of reserving in advance simultaneously can push to baffle plate; block keyhole, still baffle plate can be pushed when opening the door and expose keyhole by the button of reserving in advance.
Compared with prior art, the beneficial effects of the utility model are to adopt button to drive the keyhole of the method protection door lock of plate washer, have characteristics simple in structure, easy to operate and safe and reliable, and also can use under condition is understood in without a licence.
Description of drawings
Fig. 1 provides the structural representation of embodiment for the utility model, and Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
As Fig. 1～shown in Figure 2; the protective device of this safe-guard door lock includes base plate 1 and cover plate 2; its cover plate 2 is buckled on the base plate 1; described cover plate 2 is provided with two circular holes 3; these two circular hole centre distances equate with security door two lock center to center distance; justified 3 centres and be provided with four key holes 4 for two on the described cover plate 2; one side of described cover plate 2 also is provided with feather key hole 5; described base plate 1 is provided with a groove that inlays baffle plate 6; baffle plate 6 is provided with feather key 7; slide as promoting baffle plate; also be provided with four by keyway 8 on the described base plate 1; by spring 9 and button 10 are housed in the keyway 8; the position of the key hole 4 on the position of pressing keyway 8 on the described base plate 1 and the cover plate 2 is corresponding; feather key hole 5 and key hole 4 that feather key 7 on the base plate 1 and button 10 pass respectively on the cover plate 2 are exposed on cover plate 2 surfaces; after base plate 1 is connected by spot welding with cover plate 2 and is installed in the relevant position of security door; pressing the button of reserving in advance simultaneously can push to baffle plate 6; block keyhole, still baffle plate 6 can be pushed when opening the door and expose keyhole by the button of reserving in advance.
Claims (1)
1. the protective device of a safe-guard door lock; include base plate and cover plate; wherein said cover plate is buckled on the base plate; it is characterized in that described cover plate is provided with two circular holes; these two circular hole centre distances equate with security door two lock center to center distance; be provided with at least two key holes in the middle of two circular holes on the described cover plate; one side of described cover plate also is provided with the feather key hole; described base plate is provided with a groove that inlays baffle plate; baffle plate is provided with feather key; also be provided with at least two on the described base plate by keyway; by spring and button are housed in the keyway; the position of the key hole on the position of pressing keyway on the described base plate and the cover plate is corresponding, and feather key hole and key hole that feather key on the described base plate and button pass respectively on the cover plate are exposed on the lid surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092331 CN2816243Y (en) | 2005-09-01 | 2005-09-01 | Protection device for anti-theft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092331 CN2816243Y (en) | 2005-09-01 | 2005-09-01 | Protection device for anti-theft door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2816243Y true CN2816243Y (en) | 2006-09-13 |
Family
ID=36996047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520092331 Expired - Fee Related CN2816243Y (en) | 2005-09-01 | 2005-09-01 | Protection device for anti-theft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2816243Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999072A (en) * | 2017-02-27 | 2022-09-02 | Ncr公司 | Combined shutter and user interface PIN entry |
| US11961058B2 (en) | 2017-02-27 | 2024-04-16 | Ncr Corporation | Combined shutter and user interface pin entry |
-
2005
- 2005-09-01 CN CN 200520092331 patent/CN2816243Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999072A (en) * | 2017-02-27 | 2022-09-02 | Ncr公司 | Combined shutter and user interface PIN entry |
| CN114999072B (en) * | 2017-02-27 | 2024-03-29 | Ncr公司 | Combined shutter and user interface PIN entry |
| US11961058B2 (en) | 2017-02-27 | 2024-04-16 | Ncr Corporation | Combined shutter and user interface pin entry |
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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 |