CN2773254Y - Built-in safety door lock for preventing from insertion open - Google Patents
Built-in safety door lock for preventing from insertion open Download PDFInfo
- Publication number
- CN2773254Y CN2773254Y CN 200520070207 CN200520070207U CN2773254Y CN 2773254 Y CN2773254 Y CN 2773254Y CN 200520070207 CN200520070207 CN 200520070207 CN 200520070207 U CN200520070207 U CN 200520070207U CN 2773254 Y CN2773254 Y CN 2773254Y
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- China
- Prior art keywords
- lock
- built
- utility
- model
- door lock
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- 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 relates to a built-in safety door lock for preventing from insertion open, which can stop safety doors from being opened unnormally with plug-in cards by others. The utility model is characterized in that insertion-proof steel bars are arranged on the lock body, in the middle of a magnetic air bag sealing strip sealing and at the corresponding position of the inclined plane of a slanting lock bolt. The utility model improves the structure of the ordinary security door with a built-in mechanical lock, and adds a rigid object at the slanting lock bolt to prevent plug-in cards or change the forced direction of plug-in cards so that the purpose of preventing improper opening of the built-in safety door lock is achieved. The utility model has the advantages of reasonable design, simple structure and reliable operation.
Description
Technical field
Open safe-guard door lock in the utility model relates to, exactly open safe-guard door lock in the insertion open.
Background technology
Existing inner-opening type mechanical lock security door, according to the pertinent regulations of GB/T73494 " mechanical security door ", theftproof lock does not have under the prerequisite of locking at main dead bolt, and only depending on oblique dead bolt to close is not possess anti-theft feature.Especially inner-opening type mechanical lock security door.And the user that common inner-opening type mechanical lock security door is installed, ordinary practice is in only closing security door with oblique dead bolt under the indoor people's of having the situation.This way is extremely difficult to stop security door by the unnormal unlocking of stranger with objects such as plug-in cards, thereby causes the hidden danger that jeopardizes personal safety as well as the property safety.
Summary of the invention
The purpose of this utility model is: when providing the oblique dead bolt of a kind of usefulness to close security door, the stranger can't open with objects such as plug-in cards security door insertion open in open safe-guard door lock.
For achieving the above object, the technical solution adopted in the utility model is as follows:
Open safe-guard door lock in the insertion open, comprise lock body, lock core, main dead bolt, tiltedly dead bolt and magnetic air sac sealing bar, it is characterized in that: on lock body, magnetic air sac sealing bar middle part, be provided with oblique corresponding position, dead bolt inclined-plane that a square steel is anti-transplants a cutting.
The utility model increases the force direction that is subjected to that the rigidity object stops objects such as plug-in card or change plug-in card, to reach the purpose that prevents unnormal unlocking inner-opening type safe-guard door lock by the improvement to common inner-opening type mechanical lock security door structure at its oblique dead bolt place.It is reasonable in design, and is simple in structure, uses reliable.
Description of drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is the A-A sectional view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
See Fig. 1, Fig. 2, open safe-guard door lock in the insertion open and comprise lock body, lock core, main dead bolt, oblique dead bolt 2 and magnetic air sac sealing bar 6.On lock body, with oblique corresponding position, dead bolt 2 inclined-plane, remove the magnetic air sac sealing bar of pasting with doorframe 16, transplant a cutting 4 with screw 7 fixed installations one square steel is anti-, also can be after on the doorframe 1 stiffener 5 being installed again anti-cutting of pin square steel 4 install.The screw direction places door leaf 3 directions.
Claims (1)
1, insertion open in open safe-guard door lock, comprise lock body, lock core, main dead bolt, tiltedly dead bolt and magnetic air sac sealing bar, it is characterized in that: on lock body, magnetic air sac sealing bar middle part, be provided with oblique corresponding position, dead bolt inclined-plane that a square steel is anti-transplants a cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520070207 CN2773254Y (en) | 2005-03-23 | 2005-03-23 | Built-in safety door lock for preventing from insertion open |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520070207 CN2773254Y (en) | 2005-03-23 | 2005-03-23 | Built-in safety door lock for preventing from insertion open |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2773254Y true CN2773254Y (en) | 2006-04-19 |
Family
ID=36708517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520070207 Expired - Fee Related CN2773254Y (en) | 2005-03-23 | 2005-03-23 | Built-in safety door lock for preventing from insertion open |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2773254Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434029A (en) * | 2011-12-01 | 2012-05-02 | 中山市金点原子制锁有限公司 | Anti-unlocking structure of house door latch bolt lock |
-
2005
- 2005-03-23 CN CN 200520070207 patent/CN2773254Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434029A (en) * | 2011-12-01 | 2012-05-02 | 中山市金点原子制锁有限公司 | Anti-unlocking structure of house door latch bolt lock |
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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 |