CN201169975Y - Double-insurance lock - Google Patents
Double-insurance lock Download PDFInfo
- Publication number
- CN201169975Y CN201169975Y CNU2008200117138U CN200820011713U CN201169975Y CN 201169975 Y CN201169975 Y CN 201169975Y CN U2008200117138 U CNU2008200117138 U CN U2008200117138U CN 200820011713 U CN200820011713 U CN 200820011713U CN 201169975 Y CN201169975 Y CN 201169975Y
- Authority
- CN
- China
- Prior art keywords
- lock
- lock core
- couple axle
- rotate
- axle
- 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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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a double insurance lock, belonging to the theftproof lock technical field. The lock is characterized in that the inner end of a lock core of a common tumbler lock is provided with a couple axle which has a key slot and the same axes as the lock core, the couple axle can rotate with the lock core or rotate separately, and the outer end of the couple axle is provided with a toggle. Even if a thief can rotate the lock core, the thief can not rotate the couple axle, and the toggle, so that the lock can not be opened. Therefore, the tumbler lock and the couple axle jointly form a mechanical lock with double insurance function, which solves the technical problem that the common tumbler lock is easy to unlock.
Description
Technical field
The utility model relates to a kind of double insurance lock that belongs to the theftproof lock technical field.
Background technology
At present, the mechanical lock that domestic production is sold is of a great variety, but because the structure design of lockset is simple, and technology content is lower, theftproof performance is poor, lacks safety guarantee in the use.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of security performance higher double insurance lock for solving disadvantages of background technology.
The purpose of this utility model is achieved in that it is provided with shell, shell is connected with lock core base, center at lock core base is provided with lock core, pellet shot from a slingshot and stage clip outside a side of the lock core base position corresponding with pellet shot from a slingshot in the lock core is provided with, be provided with the couple axle with the lock pin coaxial heart at place, the inner of lock core, be provided with key at the place, axle center of couple axle and insert keyway, couple axle can rotate with lock core, also can rotate separately, be provided with plectrum in the outer end of couple axle.
The utility model is compared background technology and had following advantage: 1. theftproof performance is good, executes the robber people and promptly enables rotational lock core, but be difficult to rotate couple axle, thereby can't open theftproof lock; 2. to compare with common lock mainly be to have increased the couple axle structure to the utility model, so its theft-prevention structure is simple, is convenient to produce in batches.
Description of drawings
Fig. 1 is the utility model structure principle chart.
Fig. 2 is Figure 1A-A sectional view.
Fig. 3 is institute's bitting structure chart.
The specific embodiment
The utility model is further described by embodiment below in conjunction with accompanying drawing: as Fig. 1, Fig. 2, shown in Figure 3, lock core base 8 and fixing by jackscrew 9 is installed on shell 1, lock core 7 and fixing by alignment pin 3 is installed on lock core base 8, on lock core base 8, also be provided with stage clip 4 and outside pellet shot from a slingshot 5, lock core 7 is provided with interior pellet shot from a slingshot 6, is provided with couple axle 10 in lock core 7 the inners, it is spacing by back-up ring 2, couple axle 10 can rotate with lock core 7, also can rotate separately, is provided with plectrum 11 in the outer end of couple axle 10.Even if thief uses autogamy master key rotational lock core, but can't rotate couple axle 10 (because couple axle is provided with the private key keyway), so also just can't rotate plectrum 11, still can not open lock.Cylinder lock of the present utility model and couple axle constitute the mechanical lock of double insurance jointly.
Claims (1)
1, a kind of double insurance lock, it is provided with shell, shell is connected with lock core base, center at lock core base is provided with lock core, and pellet shot from a slingshot and stage clip outside a side of the lock core base position corresponding with pellet shot from a slingshot in the lock core is provided with is characterized in that being provided with at place, the inner of lock core the couple axle with the lock pin coaxial heart, be provided with key at the place, axle center of couple axle and insert keyway, couple axle can rotate with lock core, also can rotate separately, is provided with plectrum in the outer end of couple axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200117138U CN201169975Y (en) | 2008-03-25 | 2008-03-25 | Double-insurance lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200117138U CN201169975Y (en) | 2008-03-25 | 2008-03-25 | Double-insurance lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201169975Y true CN201169975Y (en) | 2008-12-24 |
Family
ID=40209028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200117138U Expired - Fee Related CN201169975Y (en) | 2008-03-25 | 2008-03-25 | Double-insurance lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201169975Y (en) |
-
2008
- 2008-03-25 CN CNU2008200117138U patent/CN201169975Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081224 Termination date: 20120325 |