CN2540475Y - Improved anti-theft lock - Google Patents
Improved anti-theft lock Download PDFInfo
- Publication number
- CN2540475Y CN2540475Y CN 02267215 CN02267215U CN2540475Y CN 2540475 Y CN2540475 Y CN 2540475Y CN 02267215 CN02267215 CN 02267215 CN 02267215 U CN02267215 U CN 02267215U CN 2540475 Y CN2540475 Y CN 2540475Y
- Authority
- CN
- China
- Prior art keywords
- lock
- utility
- model
- fixed
- bolt
- 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 discloses an improved anti-theft lock, for resolving the problems that back wall of lock is abraded seriously to make close operation hard. The utility model is composed of a lock base provided with a bolt and fixed on a rotary door, and a lock fixed on the doorframe and engaged with the bolt via a bolt slot. The utility model is characterized in that the back wall of the bolt slot is arranged with a vertical post fixed on the lock, and the vertical post is sheathed with a rotary muffle. When closes door, the bolt with inclined end is directly contacted with the rotary muffle, with reduced resistance, and avoided direct abrasion of the lock, to improve service life and make operation easy. The utility model is mainly used on spring lock.
Description
Affiliated technical field
The utility model relates to a kind of lockset, especially a kind of theftproof lock of pellet shot from a slingshot improvement.
Technical background
Existing anti-theft cylinder lock, by the lock that is fixed on the tongue with lock on the rotary door and be fixed on the snap close that cooperates with dead bolt by lock tongue slot on the doorframe and form, its snap close side corresponding with lock also is provided with and the corresponding square lockhole of dead bolt shape except that being provided with circular locking the lockhole.Such lockset is at closing time, and after dead bolt and the collision of snap close rear wall, dead bolt side enters in the lock tongue slot.Cause latching in lock tongue slot rear wall serious wear thus, not only painstaking at closing time, also influence attractive in appearance, even the time grown the safety that also can influence lockset.
Summary of the invention
For overcoming the shortcoming that above-mentioned prior art exists, the purpose of this utility model provides a kind of theftproof lock of exempting from the snap close wearing and tearing and the little improvement of exerting oneself at closing time.
Main technical schemes of the present utility model is the theftproof lock of this kind improvement, by the lock that is fixed on the tongue with lock on the rotary door and be fixed on the snap close that cooperates with dead bolt by lock tongue slot on the doorframe and form, it is characterized in that: the rear wall of described lock tongue slot is provided with the vertical pillars that is fixed on the snap close, this vertical pillars overcoat one rotating sleeve pipe.
The beneficial effects of the utility model are: because the rear wall of lock tongue slot is provided with the vertical pillars that is fixed on the snap close, this vertical pillars overcoat one rotating sleeve pipe, thereby, the dead bolt that has angled end-face at closing time directly contacts with rotating sleeve pipe, resistance reduces, avoided snap close directly to wear and tear, improved the life-span of lockset, made the easier use of theftproof lock.
Description of drawings
Be elaborated below in conjunction with accompanying drawing.
Structural representation when Fig. 1 is of the present utility model locking;
The lateral plan of Fig. 2 position snap close and lock fitting face.
Among the figure, the 1-lock, the 2-dead bolt, the 3-snap close, the 4-column, the 5-sleeve pipe, the 6-lock tongue slot, 7-locks the hole.
Specific embodiment
In Fig. 1, embodiment shown in Figure 2, the theftproof lock of this kind improvement, its lock (1) by the with lock tongue (2) of screw on rotary door is identical with existing cylinder lock.On doorframe, snap close is provided with locks hole (7) to its snap close (3) that cooperates with dead bolt (2) by lock tongue slot (6) by screw.Compared with prior art, snap close (3) is then improved.Improvements are: the rear wall openings place of described lock tongue slot (6) is provided with the vertical pillars (4) that is fixed on the snap close (3), the outer rotating sleeve pipe (5) that is with of this vertical pillars (4).So at closing time, the dead bolt that has angled end-face directly contacts with rotating sleeve pipe, and resistance reduces, and has avoided snap close directly to wear and tear, and has improved the life-span of lockset, makes the easier use of theftproof lock.
Certainly, other scheme of the present utility model can also be the rear wall openings up and down in two holes that directly column is rotatably mounted to snap close.Even snap close do not change, and at the angled end-face of dead bolt groove is set, and is provided with ball or roller bearing in the groove and can realizes the purpose of this utility model to some degree yet.
Claims (1)
1, Gai Liang theftproof lock, by the lock that is fixed on the tongue with lock on the rotary door and be fixed on the snap close that cooperates with dead bolt by lock tongue slot on the doorframe and form, it is characterized in that: the rear wall openings of described lock tongue slot is provided with the vertical pillars that is fixed on the snap close, this vertical pillars overcoat one rotating sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267215 CN2540475Y (en) | 2002-05-27 | 2002-05-27 | Improved anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267215 CN2540475Y (en) | 2002-05-27 | 2002-05-27 | Improved anti-theft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2540475Y true CN2540475Y (en) | 2003-03-19 |
Family
ID=33732848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02267215 Expired - Fee Related CN2540475Y (en) | 2002-05-27 | 2002-05-27 | Improved anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2540475Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563609A (en) * | 2015-01-24 | 2015-04-29 | 何宗龙 | Combined spring bolt hole device |
| CN110735563A (en) * | 2019-11-05 | 2020-01-31 | 宁波生久柜锁有限公司 | kinds of lock |
| CN112746779A (en) * | 2019-10-30 | 2021-05-04 | 黄远安 | Anti-theft electric vehicle |
-
2002
- 2002-05-27 CN CN 02267215 patent/CN2540475Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563609A (en) * | 2015-01-24 | 2015-04-29 | 何宗龙 | Combined spring bolt hole device |
| CN104563609B (en) * | 2015-01-24 | 2017-04-12 | 何宗龙 | Combined spring bolt hole device |
| CN112746779A (en) * | 2019-10-30 | 2021-05-04 | 黄远安 | Anti-theft electric vehicle |
| CN110735563A (en) * | 2019-11-05 | 2020-01-31 | 宁波生久柜锁有限公司 | kinds of 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 |