CN2259464Y - Antitheft door lock - Google Patents
Antitheft door lock Download PDFInfo
- Publication number
- CN2259464Y CN2259464Y CN 96245238 CN96245238U CN2259464Y CN 2259464 Y CN2259464 Y CN 2259464Y CN 96245238 CN96245238 CN 96245238 CN 96245238 U CN96245238 U CN 96245238U CN 2259464 Y CN2259464 Y CN 2259464Y
- Authority
- CN
- China
- Prior art keywords
- tongue
- oblique
- lock
- platform
- utility
- 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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Abstract
The utility model belongs to a lock, relating to an antitheft door lock. The utility model has the technical proposal that the antitheft door lock comprises a lock body and a lock fastener. The utility model is characterized in that an oblique bolt is an oblique bolt with a platform namely an oblique tongue with a platform face is arranged behind an oblique face, and the length of the platform face extending out of the port face of the oblique bolt of a lock body is generally 5 millimeters to 20 millimeters. The utility model has the advantages of simple structure, low cost, convenient use, good antitheft performance, etc.
Description
The utility model belongs to lockset, relates to a kind of safe-guard door lock.
The oblique tongue of existing door lock is all easily opened by strong slice substances such as sheet metal that pushes from lock body and snap close piece gap outdoors or identity cards, because of the strong slice substance that pushes can touch oblique tongue inclined-plane, with oblique tongue promotion, makes it to slide into opening.So, existing single flapper lock theftproof performance extreme difference, the robber is as long as rely on the strong slice substance that can be housed in the pocket just can commit theft; Two flapper lock construction complexity, the cost height particularly uses trouble, and people tend to forget the top tongue or the not top tongue that do not want to take the trouble simply, and its theftproof performance is had a greatly reduced quality.
The purpose of this utility model provides the safe-guard door lock that a kind of strong slice substance that pushes can't touch oblique tongue inclined-plane from lock body and snap close piece gap outdoors.Its technical solution comprises lock body and snap close piece, and main points are: tiltedly tongue is the oblique tongue of platform.The oblique tongue of platform is meant the oblique tongue that is provided with a joint flat upper surface behind the inclined-plane, promptly tiltedly is being provided with joint side's tongue behind the tongue.This flat upper surface can intersect with the inclined-plane top margin, or a little less than the inclined-plane top margin; This flat upper surface is exposed the oblique tongue actinal surface of lock body and is generally 5 millimeters to 20 millimeters, and promptly the inclined-plane top margin of the oblique tongue of platform to the distance of the oblique tongue actinal surface of lock body is 5 millimeters to 20 millimeters.
The utility model has adopted the oblique tongue of platform admittedly, makes the strong slice substance that pushes from lock body and snap close piece gap outdoors can't touch the inclined-plane, oblique tongue can't be promoted, and door can't be opened; Thereby have advantages such as simple in structure, with low cost, easy to use, that theftproof performance is good.
Describe in detail below in conjunction with embodiment and accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Door lock among the figure is monocline flapper lock.Constitute by lock body (1) and snap close piece (5).Lock body (1) is meant the lockset main body that installs component.Generally comprise tapered end, dead bolt (3), tongue switching assembly, latch bolt spring, handle (2) and lock housing (6) etc.; Snap close piece (5) is meant box or the plate part that fastens dead bolt (3) when closing.Oblique tongue (3) among the figure is the oblique tongue of platform, promptly tiltedly is being provided with a joint platform behind the tongue, and flat upper surface is stretched out oblique tongue actinal surface 12 millimeter of lock body; Snap close piece (5) is the flute profile keeper, promptly be provided with on the same stage the tiltedly corresponding Baltimore groove of tongue (3) table top (4) in the place ahead of the oblique lingual surface of keeper, so that the collision fastening and the open guidance of the oblique tongue of platform (3), so that firmness is installed in installing and locating and raising, the table top that the oblique tongue of platform is stretched out is longer, make the strong slice substance that from lock body (1) and snap close piece (5) gap outdoors, pushes touch down the inclined-plane of the oblique tongue of platform (3) at all, improved theftproof performance greatly.
Obviously, the table top of of the present utility model oblique tongue (3) can be lower than the top margin on inclined-plane.The utility model also can adopt general snap close piece (5), as long as the oblique tongue actinal surface of snap close piece (5) is established near the top margin that is contained in the oblique tongue of platform (3) inclined-plane; For the ease of installing and locating and raising firmness is installed, also can be made the installing and locating base plate down at general snap close piece (3); Also can adopting on the same stage, the table top impingement area of oblique tongue (3) is the snap close piece (5) on inclined-plane.The utility model can also be used for two flappers to be locked, top tongue not in the ordinary course of things, and theftproof performance is but close with the top tongue.
Claims (4)
1, a kind of safe-guard door lock comprises lock body (1) and snap close piece (5), it is characterized in that: tiltedly tongue (3) is the oblique tongue of platform.
2, safe-guard door lock according to claim 1 is characterized in that: the oblique tongue actinal surface that the flat upper surface of the oblique tongue of platform (3) is exposed lock body (1) is 5 millimeters to 20 millimeters.
3, safe-guard door lock according to claim 1 and 2 is characterized in that: snap close piece (5) is the flute profile keeper.
4, according to claim 1,2 or 3 described safe-guard door locks, it is characterized in that: lock body (1) side of being provided with tongue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245238 CN2259464Y (en) | 1996-11-16 | 1996-11-16 | Antitheft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96245238 CN2259464Y (en) | 1996-11-16 | 1996-11-16 | Antitheft door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2259464Y true CN2259464Y (en) | 1997-08-13 |
Family
ID=33918376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96245238 Expired - Fee Related CN2259464Y (en) | 1996-11-16 | 1996-11-16 | Antitheft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2259464Y (en) |
-
1996
- 1996-11-16 CN CN 96245238 patent/CN2259464Y/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 |