CN2310838Y - Cylinder lock - Google Patents
Cylinder lock Download PDFInfo
- Publication number
- CN2310838Y CN2310838Y CN 97221655 CN97221655U CN2310838Y CN 2310838 Y CN2310838 Y CN 2310838Y CN 97221655 CN97221655 CN 97221655 CN 97221655 U CN97221655 U CN 97221655U CN 2310838 Y CN2310838 Y CN 2310838Y
- Authority
- CN
- China
- Prior art keywords
- lock
- cylinder
- utility
- sealing bar
- model
- 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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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to a cylinder lock, which is composed of a sealing bar 1, a lock shell 4, a spring 5, a cylinder 6 and a lock core 7. The utility model is characterized in that an anti-theft fixing bolt 2 is arranged on the lock shell 4; an annular slot 3 is arranged on the lock core 7; one end of the anti-theft fixing bolt 2 is clamped in the annular slot 3; the length of the sealing bar 1 ensures that the cylinder 6 can not be completely pressed in the lock shell 4. When the structure is adopted, a master key can not be inserted in the lock, and simultaneously, the anti-theft fixing bolt 2 can also axially position the lock core 7.
Description
The utility model relates to a kind of cylinder lock.
In the prior art, cylinder lock is because to seal bar too short, and amount of spring compression is too big, is easy to be opened by the human master key, and therefore, its safety is relatively poor.
The purpose of this utility model provides a kind of cylinder lock of energy preventing universal key.
The utility model is formed by sealing bar, lock housing, spring, pellet shot from a slingshot, lock core etc., it is characterized in that antitheft dead bolt is arranged on the lock housing, cannelure is arranged on the lock core, and antitheft dead bolt one end is installed in the cannelure, and the length of sealing bar guarantees that pellet shot from a slingshot can not be pressed in the lock housing fully.
Advantage of the present utility model is that pellet shot from a slingshot can not be pressed in the lock housing fully by master key, so can't be opened by master key.Simultaneously, added antitheft dead bolt after, sheeting can't insert, and has so just guaranteed the safety of lockset.
Accompanying drawing is the utility model structure chart.
The utility model is further specified as follows below in conjunction with accompanying drawing:
As shown in the figure, the utility model is formed by sealing bar 1, antitheft dead bolt 2, lock housing 4, spring 5, pellet shot from a slingshot 6, lock core 7 etc., and cannelure 3 is arranged on the lock core 7, and antitheft dead bolt 2 passes lock housing 4 and is installed in the cannelure 3.The length of sealing bar 1 guarantees that pellet shot from a slingshot 6 is not pushed lock housing 4 fully.
Claims (1)
1. cylinder lock, form by sealing bar (1), lock housing (4), spring (5), pellet shot from a slingshot (6), lock core (7) etc., it is characterized in that antitheft dead bolt (2) is arranged on the lock housing (4), cannelure (3) is arranged on the lock core (7), antitheft dead bolt (2) one ends are installed in the cannelure (3), and the length of sealing bar (1) guarantees that pellet shot from a slingshot (6) can not be pressed in the lock housing (4) fully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97221655 CN2310838Y (en) | 1997-07-14 | 1997-07-14 | Cylinder lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97221655 CN2310838Y (en) | 1997-07-14 | 1997-07-14 | Cylinder lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2310838Y true CN2310838Y (en) | 1999-03-17 |
Family
ID=33936986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97221655 Expired - Fee Related CN2310838Y (en) | 1997-07-14 | 1997-07-14 | Cylinder lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2310838Y (en) |
-
1997
- 1997-07-14 CN CN 97221655 patent/CN2310838Y/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 |