CN201818118U - Safe-guard spring door lock - Google Patents
Safe-guard spring door lock Download PDFInfo
- Publication number
- CN201818118U CN201818118U CN2010205521106U CN201020552110U CN201818118U CN 201818118 U CN201818118 U CN 201818118U CN 2010205521106 U CN2010205521106 U CN 2010205521106U CN 201020552110 U CN201020552110 U CN 201020552110U CN 201818118 U CN201818118 U CN 201818118U
- Authority
- CN
- China
- Prior art keywords
- lock
- bolt
- dead bolt
- notch
- door lock
- 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
- HDDSHPAODJUKPD-UHFFFAOYSA-N fenbendazole Chemical compound C1=C2NC(NC(=O)OC)=NC2=CC=C1SC1=CC=CC=C1 HDDSHPAODJUKPD-UHFFFAOYSA-N 0.000 title abstract description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000007373 indentation Methods 0.000 description 2
- 206010011906 Death Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses a safe-guard spring door lock. The spring door lock comprises a lock shell, a lock core, a lock tongue and a lock tongue opening converter, and is characterized in that a notch is formed on the surface of the lock tongue on the same side as the bottom of the lock shell. The spring door lock provided by the utility model has simple structure and obvious effect, effectively reduces the incidence of burglary cases, and safeguards the public order and social stability, thereby enhancing the security feeling of inhabitants.
Description
Technical field the utility model relates to a kind of antitheft catch-bolt.
Background technology is along with the continuous progress of science and technology, and various safe-guard door locks also emerge in an endless stream.But in some remote districts especially rural area, traditional catch-bolt (just be commonly called as Si Biling lock) is still the especially door lock that generally uses of the rented house in rural area of local resident, it is simple in structure, anti-theft effect is poor, only by the mode of dead bolt embedding doorframe door is fixed, so anti-theft effect is relatively poor relatively, and the crack between a door and its frame that such door lock has is bigger, what have is easily found dead bolt by the lawless person by the mode of cutting doorframe, unblanks to enter the room by the mode of plastic film mortise lock tongue again.Thereby cause using the as easy as rolling off a log lawless person's of becoming in house of Si Biling door lock infringement object.
The summary of the invention the purpose of this utility model promptly is to provide a kind of and adopts simple structure promptly can effectively prevent or reduce the catch-bolt that the burglary incident takes place.
The purpose of this utility model is to realize by following technical scheme:
A kind of antitheft catch-bolt, it comprises lock housing, lock core, dead bolt and unlock deadbolt converter, it is characterized in that: the face with lock housing bottom homonymy on the described dead bolt is provided with notch.
Described notch is arranged on the root position of dead bolt.
The width of described notch is 0.2～0.5mm.
The width of described notch is 0.3mm.
The catch-bolt that the utility model provides, design feature at this kind door lock, under the situation that does not change lock structure, by add a saw notch (wide about 0.3mm) at the dead bolt root, after inserted sheet entered, the head of inserted sheet can only be inserted in the notch that adds saw all the time, inserted sheet can't be slided on the dead bolt face, stop dead bolt to be subjected to the active force of inserted sheet and the indentation lock housing also just can't be opened this door, reached antitheft purpose.
Catch-bolt described in the utility model, simple in structure, effect is obvious, effectively reduces the generation of burglary case, has safeguarded that social security is stable, has strengthened the sense of security of resident family.
Appended drawings is the utility model structural representation.
Description of reference numerals
1-lock housing 11-bottom 2-dead bolt 21-face 22-notch 3-unlock deadbolt converter 4-bolt
The specific embodiment is relevant for technology, means that the utility model adopted and reach effect, especially exemplified by preferred embodiment and cooperate diagram to be described in detail as follows, believe when can by must go deep into and concrete understanding.
It shown in the accompanying drawing the antitheft catch-bolt structural representation of the utility model, it comprises lock housing 1, lock core, dead bolt 2 and unlock deadbolt converter 3, lock core is installed in the lock housing 1, lock housing 1 is fixing by bolt 4, dead bolt 2 is installed in the lock housing 1, dead bolt 2 can free spacing stretching in the lock housing outside, thereby play the effect of opening door.Dead bolt 2 is inclined-planes with the face 21 of lock housing 1 bottom 11 homonymies, is provided with the notch 22 that a width is about 0.3mm on this inclined-plane 21, and this notch 22 is positioned at dead bolt 2 roots near on the position of lock housing 1.Because the notch 22 that is provided with on the inclined-plane 21 of dead bolt 2, enter in as improper inserted sheet by crack between a door and its frame, attempt utilizes the scalable function of dead bolt 2 to stick up and opens the door when locking, the head of inserted sheet at first can be blocked and can only be inserted in all the time in this notch 22 by the notch on the dead bolt 2 22, dead bolt 2 can't be slided backward, stop dead bolt 2 to be subjected to the effect of inserted sheet and the indentation lock housing also just can't be opened this door, reached antitheft purpose.
Claims (4)
1. antitheft catch-bolt, it comprises lock housing (1), lock core, dead bolt (2) and unlock deadbolt converter (3), it is characterized in that: the face (21) that described dead bolt (2) is gone up (11) homonymy bottom lock housing (1) is provided with notch (22).
2. antitheft catch-bolt according to claim 1 is characterized in that: described notch (22) is arranged on the root position of dead bolt (2).
3. antitheft catch-bolt according to claim 1 is characterized in that: the width of described notch (22) is 0.2～0.5mm.
4. antitheft catch-bolt according to claim 3 is characterized in that: the width of described notch (22) is 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205521106U CN201818118U (en) | 2010-10-07 | 2010-10-07 | Safe-guard spring door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205521106U CN201818118U (en) | 2010-10-07 | 2010-10-07 | Safe-guard spring door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818118U true CN201818118U (en) | 2011-05-04 |
Family
ID=43916082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205521106U Expired - Fee Related CN201818118U (en) | 2010-10-07 | 2010-10-07 | Safe-guard spring door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818118U (en) |
-
2010
- 2010-10-07 CN CN2010205521106U patent/CN201818118U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20131007 |