CN2249302Y - Anti-theft door - Google Patents
Anti-theft door Download PDFInfo
- Publication number
- CN2249302Y CN2249302Y CN 96214399 CN96214399U CN2249302Y CN 2249302 Y CN2249302 Y CN 2249302Y CN 96214399 CN96214399 CN 96214399 CN 96214399 U CN96214399 U CN 96214399U CN 2249302 Y CN2249302 Y CN 2249302Y
- Authority
- CN
- China
- Prior art keywords
- locking
- door leaf
- door
- lock
- drilling
- 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
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- Securing Of Glass Panes Or The Like (AREA)
Abstract
The utility model relates to an anti-theft door, belonging to a fixing locking device for an outer door of a house. A main lock for resisting drilling is arranged in the middle of a door leaf of the device; the main body of the main lock is a driving gear; an upper, a lower, a right and a left racks engaged with the gear are respectively connected with an upper, a lower, a right and a left locking rods of the door leaf; a groove for the inserting of the locking rod is arranged on a door frame corresponding to each locking rod. Compared with prior art, the utility model has the advantages of multiple locking points, flexible driving, drilling resistance, prying resistance, etc.
Description
The utility model relates to a kind of security door, belongs to fixedly locking device of dwelling house external door.
The security door that existing market is popular generally has only a locking point, no horizontal or firm longitudinally locking bar, and its theftproof performance is relatively poor.
The purpose of this utility model is in order to overcome weak point of the prior art, and provide a kind of around the security door of Multi-point locking.
The purpose of this utility model is achieved in that the door leaf of this security door is the box body structure that steel plate die mould assembly welding becomes hollow, sidepiece at this door leaf is equipped with anti-drilling pair of conventional lock, the main lock of anti-lock is housed at the door leaf middle part, the main body of this master's lock is a driving gear, be connected with four locking bars in upper and lower, left and right of door leaf respectively with four tooth bars in upper and lower, left and right of this gears engaged, the doorframe corresponding with each locking bar is provided with the groove that inserts for locking bar.When key is done the locking rotation, tapered end tail bar drives driving gear and does the locking rotation, thereby driving tooth bar does vertical and horizontal balance, locking bar is inserted in the doorframe groove of upper and lower, left and right finish locking, when key do to open rotates, the rotation that the driving tooth crop rotation is opposite with locking, the tooth bar motion of also pulling back, locking bar resets, and finishes breakdown action.
The utility model is compared with all kinds of security doors in the prior art, and it is many to have a locking point, multiple function such as ensuring smooth transmission, anti-drilling, pick-proof.
The explanation of accompanying drawing drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a surface structure schematic diagram of the present utility model.
Below in conjunction with drawings and Examples in detail the utility model is described in detail:
Door leaf of the present utility model (10) adopts steel plate die mould assembly welding to become the box body structure of hollow, side installing anti-drilling pair of lock (12), the anti-drilling main lock of middle installation, the main body of this master's lock is a driving gear (5), four tooth bars (2) with this gear (5) engagement, (4), (6), (8), respectively with four locking bars (1) of door leaf (10), (3), (7), (9) connect, each locking bar is provided with two locking points, anti-drilling main lock tail bar bar is gone in the flat hole, center of driving gear (5), so that its rotation, drive locking bar (1), (3), (7) (9) do slip, with locking or unlatching door leaf (10), the sidepiece installing bearing folding (14) of door leaf (10), a sight glass (11) is adorned on top, in the door leaf (10), outer be equipped with respectively anti-drilling main lock in, outer locking device (13), after guaranteeing inner locking, outside master's lock can't be opened door leaf (10).
Claims (3)
1, a kind of security door, comprise the door leaf that becomes the box body structure of hollow by steel plate die mould assembly welding, be installed in the anti-drilling secondary lock of this door leaf sidepiece, it is characterized in that in the middle part of the door leaf anti-drilling main lock being housed, the main body of this master's lock is a driving gear, be connected with four locking bars in upper and lower, left and right of door leaf respectively with four tooth bars in upper and lower, left and right of this gears engaged, the doorframe corresponding with each locking bar is provided with the groove that inserts for locking bar.
2, security door according to claim 1 is characterized in that each locking bar is provided with two locking points.
3, security door according to claim 1 and 2, the inside and outside inside and outside locking device that anti-drilling main lock is housed respectively that it is characterized in that door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96214399 CN2249302Y (en) | 1996-07-10 | 1996-07-10 | Anti-theft door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96214399 CN2249302Y (en) | 1996-07-10 | 1996-07-10 | Anti-theft door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2249302Y true CN2249302Y (en) | 1997-03-12 |
Family
ID=33896520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96214399 Expired - Fee Related CN2249302Y (en) | 1996-07-10 | 1996-07-10 | Anti-theft door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2249302Y (en) |
-
1996
- 1996-07-10 CN CN 96214399 patent/CN2249302Y/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 |