CN2065220U - All-functional anti-theft protector for door lock - Google Patents
All-functional anti-theft protector for door lock Download PDFInfo
- Publication number
- CN2065220U CN2065220U CN 90205039 CN90205039U CN2065220U CN 2065220 U CN2065220 U CN 2065220U CN 90205039 CN90205039 CN 90205039 CN 90205039 U CN90205039 U CN 90205039U CN 2065220 U CN2065220 U CN 2065220U
- Authority
- CN
- China
- Prior art keywords
- proof
- guard shield
- semicircle
- drilling
- drill pad
- 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.)
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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to an all-functional theft-proof protector for door locks, which belongs to door protectors. Currently, most door locks are safety cylinder door locks with single or double bolts, and are shifting proof but not drilling proof, impact proof or prying proof. The utility model is composed of a lock, a lock core, a lock body, a protective plate, a drilling-proof pad, a fastening bolt, and a long nut, wherein, the protective plate is a rectangular iron plate, a circular lug boss is stretched out from the middle part, and the center of the lug boss is provided with a big circular hole; the drilling-proof pad is composed of two semi-circular steel sheets, the straight edge of one semicircle is provided with an L-shaped gap, and the straight edge of the other semicircle is provided with a >-shaped gap. The utility model has drilling-proof, impact-proof and prying-proof functions and has the advantage of convenient processing and installation.
Description
Door lock global function theft-preventing protecting device belongs to the protector of door.
Present door lock great majority are single two tongues insurance pin tumbler lockes, though these locks can prevent group, can not be anti-drilling, protecting against shock, pick-proof.
The purpose of this utility model:
A kind of energy of the utility model design Anti-drilling lockwork, anti-strength impact, the door lock global function anti-theft device of pick-proof.
Content of the present utility model:
The utility model is made up of tapered end, lock core, lock body, guard shield, anti-drill pad, fastening bolt and long nut.Guard shield is a rectangle iron plate, and a middle stretched round boss has a big hole at the boss center, and guard shield respectively is drilled with a through hole that is used for the insert fastening bolt for four jiaos.Anti-drill pad is made by two blocks of semicircle steel plates; wherein there is a L shaped breach at the straight flange place of a semicircle; there is a ┐ v notch v at another semicircle straight flange place; the just synthetic slot of two breach behind involutory of two semicircles; anti-drill pad is bumped into the round boss the inside of guard shield, and can freely rotate therein and do not come off.The external diameter of anti-drill pad is greater than the tapered end external diameter, in case tapered end is subjected to frontal impact.The fastening screw screw bolt and nut connects into two-way enclosed construction with guard shield, lock body, door, prevents that door and tapered end from being prized or door and phase-locked disengaging when impacting.
Good effect of the present utility model:
1, the utlity model has the function of anti-drilling, protecting against shock, pick-proof.
2, original common door lock very easily is transformed into the door lock with above-mentioned functions.
3, be easy to make installation, highly versatile.
Description of drawings:
Fig. 1 is the structure of door lock global function theft-preventing protecting device and schematic diagram is installed.
Fig. 2 is the structure chart of guard shield 4.
Fig. 3 is the structure chart of anti-drill pad 5.
Embodiment one:
Present embodiment is made up of tapered end 1, core 2, lock body 3, guard shield 4, anti-drill pad 5, fastening bolt 6, long nut 7.Guard shield 4 is a rectangle iron plate, and the front of guard shield 4 is greater than the front of lock body 3, so that all protected plate 4 of whole lock body 3 covers.The stretched round boss 11 in the centre of guard shield 4 has a big hole 12 again at the center of boss 11, four jiaos of guard shield 4 respectively be drilled with one all hole 10 in order to plug-in mounting fastening bolt 6.The corresponding through hole 8 that is drilled with insert long nut 7 on four jiaos of lock body 3.Fastening bolt 6 inserts in the through hole 10 of guard shields 4 during installation, and enters the through hole 8 of lock body 3 by door, then long nut 7 is sunk in the through hole 8 of lock body 3 in the indoor, and and fastening bolt 6 match.Anti-drill pad 5 is made by two blocks of semicircle steel plates, and there is a L shaped breach 13 at the straight flange place of a semicircle therein, two breach, 13 just synthetic slots 9 after there are involutory of a ┐ v notch v 13, two semicircles at the straight flange place of another semicircle.During installation anti-drill pad 5 is installed in round boss 11 the insides of guard shield 4, anti-drill pad 5 can rotate freely in the inside of boss 11 and not come off.The external diameter of anti-drill pad 5 is greater than the external diameter of lock body 3, directly is subjected to frontal impact to prevent tapered end 1.It is to be convenient to processing and manufacturing that anti-drill pad 5 constitutes purpose by two semicircles, and anti-drilling effect is better.
Embodiment two:
When transforming for mounted common door lock, as long as make guard shield 4, anti-drill pad 5, bolt 6, long nut 7 separately, just fastening bolt 6 and long nut 7 are short slightly.During installation anti-drill pad 5 is contained in the round boss 11 of guard shield 4, they is fastened on the door, and cover tapered end 1 and get final product, still can play the function of anti-drilling, protecting against shock, pick-proof with fastening bolt 6 and long nut 7.
Claims (3)
1, a kind of door lock global function theft-preventing protecting device, it includes tapered end 1, lock core 2, lock body 3, it is characterized in that this device is made up of guard shield 4, anti-drill pad 5, fastening bolt 6 and long nut 7, wherein:
A, guard shield 4 are rectangle iron plates, and a middle stretched boss 11 has a big hole 12 at the boss center, a through hole 10 are respectively arranged on four jiaos of guard shield 4, are used for insert fastening bolt 6;
B, anti-drill pad 5 are made up of two semicircle steel plates, wherein there is a L shaped breach 13 at the straight flange place of a semicircle, there are two breach, 13 synthetic slots 9 behind involutory of a ┐ v notch v 13, two semicircles at another semicircle straight flange place, and the external diameter of anti-drill pad 5 is greater than the external diameter of tapered end 1.
2, door lock global function theft-preventing protecting device according to claim 1 is characterized in that anti-drill pad 5 is contained in round boss 11 the insides of guard shield 4, and anti-drill pad 5 can freely rotate in guard shield 4 and not come off.
3, according to claim 1,2 described door lock global function theft-preventing protecting devices, it is characterized in that guard shield 4 under the effect of fastening bolt 6, long nut 7 and door, lock body 3 form two-way fastening-type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90205039 CN2065220U (en) | 1990-04-17 | 1990-04-17 | All-functional anti-theft protector for door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90205039 CN2065220U (en) | 1990-04-17 | 1990-04-17 | All-functional anti-theft protector for door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2065220U true CN2065220U (en) | 1990-11-07 |
Family
ID=4885881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90205039 Withdrawn CN2065220U (en) | 1990-04-17 | 1990-04-17 | All-functional anti-theft protector for door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2065220U (en) |
-
1990
- 1990-04-17 CN CN 90205039 patent/CN2065220U/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |