CN2127421Y - Safety anti-theft door - Google Patents
Safety anti-theft door Download PDFInfo
- Publication number
- CN2127421Y CN2127421Y CN 92216538 CN92216538U CN2127421Y CN 2127421 Y CN2127421 Y CN 2127421Y CN 92216538 CN92216538 CN 92216538 CN 92216538 U CN92216538 U CN 92216538U CN 2127421 Y CN2127421 Y CN 2127421Y
- Authority
- CN
- China
- Prior art keywords
- lock
- door
- keyhole
- safety anti
- protecting cover
- 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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- Wing Frames And Configurations (AREA)
Abstract
The utility model relates to a safety anti-theft door for building, in particular to a multifunctional safety anti-theft door, comprising a doorframe and a door leaf with a built-in lock, wherein, a preventing drilling guard cover is arranged in lock hole guard seat on a door leaf; the preventing drilling guard cover is fastened in the lock hole guard seat through a fastening pin arranged on the preventing drilling guard cover and a locking device controlled by a coded lock. The safety anti-theft door can be unlocked only opening the preventing drilling guard cover through the coded lock. The utility model has convenient operation and reliable anti-theft function and can effectively prevent the lock hole from plugging and damaging.
Description
The utility model relates to a kind of safety door for building, particularly a kind of multi-functional safety anti-theft door.
The safety door that existing building is used has many kinds, although structure is different, can both play the effect of certain security insurance.Yet existing various safety door all has a common defective, and that is exactly that keyhole is easily blocked or destroyed, and causing can't be with key operated situation or stolen.How to prevent the be blocked generation of accident of keyhole, become current urgent problem.
The purpose of this utility model provides a kind of safety anti-theft door of special construction, and it is not only easy to operate, and can prevent effectively that keyhole is blocked with destroyed, has anti-theft feature more reliably.
The purpose of this utility model is achieved in that this device comprises doorframe and has the door leaf of built-in lock, wherein is provided with anti-drilling protecting cover in the keyhole guard housing on the door leaf, and anti-drilling protecting cover utilizes the bayonet lock on it and the locking device of coded lock control to be clamped in the keyhole guard housing.This safety anti-theft door has only to be opened anti-drilling protecting cover with coded lock and just can unblank.
Owing to be provided with anti-drilling protecting cover in the built-in lock keyhole guard housing of the present utility model, so do not open anti-drilling protecting cover, just can not expose keyhole, therefore, keyhole can anti-clogging, tamper-proof, can prevent again group, further improves the functional performance of built-in lock.Thereby significantly improve its safe antitheft, overcome the defective that prior art exists effectively.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a kind of concrete structure front view of the utility model.
Fig. 2 is Fig. 1 rear elevation.
Fig. 3 is a limit lock keyhole closed condition schematic diagram.
Fig. 4 is a limit lock keyhole open mode schematic diagram.
Fig. 5 is middle lock keyhole closed condition schematic diagram.
Fig. 6 is the locking device structure schematic diagram of coded lock control.
Fig. 7 is the sectional view of Fig. 5 along the A-A line.
Fig. 8 is gear, rack gear enlarged diagram.
Describe concrete structure of the present utility model in detail according to Fig. 1-8.The door leaf 1 that this device comprises doorframe 9, links by hinge, and be assembled in parts such as peephole 2 on the door leaf 1, entryphone 3, coded lock 4, keyhole guard housing 5,7, anti-drilling protecting cover 6,8, locking device 15, common built-in lock 16, locking bolt 11,19, reinforcing rib 20, lock core 21,22.Wherein be fixed with bayonet lock in the keyhole guard housing 5,7 of lock core 21,22 on heat treated anti-drilling protecting cover 6,8, bayonet lock is inserted in the key seat 17, and the one end is equipped with back-moving spring, and bayonet lock is by the end boss and utilize pin to carry out axial location.Latch 24 in the locking device 15 of coded lock 4 control and connecting rod 26, lock pin 27 are hinged.The pin end of lock pin 27 can insert in the draw-in groove of protecting cover bayonet lock when anti-drilling protecting cover 6 or 8 is closed condition, and anti-drilling protecting cover 6 or 8 is clamped in pin eye sheath 5 or 7, reaches the purpose of protection keyhole.When need are opened keyhole, make it the latch 24 of the breach alignment locking device 15 of locking plate by the opening sequence of coded lock, latch 24 is under the effect of back-moving spring, insert the breach of locking plate alignment, drivening rod 26, lock pin 27 move, and make the pin end of lock pin 27 withdraw from the draw-in groove of protecting cover bayonet lock, and the protecting cover bayonet lock ejects under the effect of its end spring, anti-drilling protecting cover 6 or 8 promptly leaves keyhole sheath 5 or 7, exposes keyhole and can unblank.Men Kaihou, the handle 25 on the pulling latch 24 makes latch 24 withdraw from coded lock locking plate breach, stirs breach and no longer aligns.With anti-drilling protecting cover cycle keyhole sheath, locking device is resetted with hand.The dead bolt of middle keyhole inserts gear 14, tooth bar 13 transmission mechanisms, drives the lockhole that enters, withdraws from the doorframe with the hinged locking bolt 11,19 of tooth bar 13, reaches the purpose of locking a door or opening the door.For strengthening anti-theft feature, also can on locking bolt 11,19, increase the wedge surface chute,, also can have a side of hinge to increase pick-proof projection 10 at doorframe so that drive the lockhole that side locking bolt 12,18 enters, withdraws from the doorframe, when guaranteeing that hinge is destroyed, door leaf can not be pried open.
For safety, also peephole 2 and entryphone 3 can be installed on door leaf, so that ask that indoor messenger opens the door again clearly.
When going out to lock a door, as long as pulling handle 25 by connecting rod 26, makes the pin end of lock pin 27 withdraw from the draw-in groove of protecting cover bayonet lock, anti-drilling protecting cover 6 or 8 promptly ejects keyhole sheath 5 or 7, locks a door, and more anti-drilling protecting cover is screwed in the keyhole sheath after locking a door and gets final product.
Claims (3)
1, a kind of safety anti-theft door comprises doorframe and has the door leaf of built-in lock, it is characterized in that being provided with anti-drilling protecting cover in the keyhole guard housing on the door leaf, and anti-drilling protecting cover utilizes the bayonet lock on it and the locking device of coded lock control to be clamped in the keyhole guard housing.
2, safety anti-theft door according to claim 1 is characterized in that utilizing the gear of lock control, the locking bolt on the rack gear drive door leaf to enter, withdraw from the lockhole on the doorframe.
3, safety anti-theft door according to claim 1 is characterized in that being equipped with on the door leaf entryphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92216538 CN2127421Y (en) | 1992-07-22 | 1992-07-22 | Safety anti-theft door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92216538 CN2127421Y (en) | 1992-07-22 | 1992-07-22 | Safety anti-theft door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2127421Y true CN2127421Y (en) | 1993-02-24 |
Family
ID=33764640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92216538 Expired - Fee Related CN2127421Y (en) | 1992-07-22 | 1992-07-22 | Safety anti-theft door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2127421Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067487A (en) * | 2019-04-05 | 2019-07-30 | 李俊 | A kind of security door of multi-level protection |
-
1992
- 1992-07-22 CN CN 92216538 patent/CN2127421Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067487A (en) * | 2019-04-05 | 2019-07-30 | 李俊 | A kind of security door of multi-level protection |
| CN110067487B (en) * | 2019-04-05 | 2020-10-16 | 浙江富新工贸有限公司 | Multi-level protection anti-theft door |
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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 |