CN202249226U - Eccentric computer gourd-shaped lock capable of preventing forced opening - Google Patents
Eccentric computer gourd-shaped lock capable of preventing forced opening Download PDFInfo
- Publication number
- CN202249226U CN202249226U CN2011203581272U CN201120358127U CN202249226U CN 202249226 U CN202249226 U CN 202249226U CN 2011203581272 U CN2011203581272 U CN 2011203581272U CN 201120358127 U CN201120358127 U CN 201120358127U CN 202249226 U CN202249226 U CN 202249226U
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- key
- shaped
- lock
- chevron
- eccentric
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Abstract
The utility model relates to an eccentric computer gourd-shaped lock capable of preventing forced opening. A tight sealing strip is additionally arranged at a half notch of an open ends of a front and opposite dual E-shaped key hole of the existing computer gourd-shaped lock. Half of a closed end of the key hole is changed to be a chevron-shaped key hole. The position of the key hole is moved downwards for a certain distance to enable the key hole to be eccentric. A key is also changed to be a chevron-shaped key in a matched way. When the lock is forcibly opened, since an unlocking tool, i.e. a hard alloy key is also required to be changed to be chevron-shaped, the width of the chevron-shaped hard alloy key is greatly reduced when the width is compared with the width of a front and opposite dual E-shaped key, the strength is greatly reduced and the torsion moment generated by using the same force is also greatly reduced because the width is greatly reduced. Since the chevron-shaped key hole of a lock cylinder is eccentric, when the force used for forced torsion is larger, the deformation of the outer diameter of the lock cylinder is greater, the resistance is greater and the lock cylinder is more difficult to turn. The applied force is required to be increased more greatly and the hard alloy key with strength which is greatly reduced is ruptured firstly. The lock cannot be forcibly opened, the antitheft performance is good and the structure is simple and reliable.
Description
Technical field
The utility model relates to a kind of computer cucurbit lock, and especially a kind of can prevent that the robber from utilizing that the violence of carbide alloy key turns on lock by force anti-driven eccentric computer cucurbit lock by force.
Background technology
At present, in the known computer cucurbit lock, key adopts positive and negative two " E " font, and width is all bigger, and billiards diameter is little.The robber utilizes the violence of carbide alloy key to turn on locking method by force: earlier the carbide alloy key is inserted keyhole in the lock core; Rotate with brute force then, when external force ruptures pellet shot from a slingshot during greater than pellet shot from a slingshot intensity, this moment, lock core was promptly rotatable under forceful action; Lock has also just been opened, so be absolutely unsafe.
Summary of the invention
Lock the deficiency that lock is turned in the violence of available carbide alloy key by force in order to overcome existing computer cucurbit.The utility model provides a kind of anti-eccentric computer cucurbit lock of opening by force, and it can thoroughly stop and applies brute force with the carbide alloy key and unblank, thereby greatly improves degree of safety.
The utility model solves the technical scheme that its technical problem adopted: original positive and negative two " E " font keyholes that change existing computer cucurbit lock; Half vacancy at the keyhole openend adds fastening sealing strip; Half makes " mountain " font keyhole at the keyhole closing end; And off-centre is caused to moving down a segment distance in the keyhole position, adopt like " mountain " font keyhole and cast then sealing strip and can exempt from.The key that is complementary therewith also makes " mountain " font key into; " mountain " font key the pellet shot from a slingshot change in length because of middle tartar segment thickness increases, and has promptly significantly promoted the size of key of lock; Therefore can reduce the pellet shot from a slingshot line number increases billiards diameter simultaneously, and the intensity of pellet shot from a slingshot is significantly improved.When brute force is unblanked, insert " mountain " font keyhole, unlocking tool carbide alloy key also must corresponding making into " mountain " font; Because of width significantly reduces to cause intensity also just significantly to reduce than original positive and negative two " E " fonts, significantly reduce because of width simultaneously, use identical torsional moment that brute force produces also significantly to reduce; And because the off-centre of " mountain " font keyhole of lock core; When brute force is reversed, firmly cause the external diameter distortion of lock core big more more greatly, resistance is big more, also just more difficult rotation.In order to reach the pellet shot from a slingshot fracture that intensity has been increased substantially, the brute force that applies just must increase by a larger margin, must the carbide alloy key that intensity has reduced significantly at first be ruptured, and this lock can't open with the method that brute force is unblanked.
The beneficial effect of the utility model is: thoroughly stopped to turn on lock by force with the violence of carbide alloy key, theftproof performance is good, and simple and reliable for structure.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Accompanying drawing is that the axis of no-feathering of the utility model is to cross-sectional schematic.
3. " mountain " font key 4. sealing strips 5. pellets shot from a slingshot of original positive and negative two " E " font keyholes (border is represented with double dot dash line) of 1. lock bodies, 2. lock core 2a. " mountain " font keyhole 2b. among the figure
The specific embodiment
Among the embodiment shown in the figure; Change original positive and negative two " E " font keyhole (border is represented with double dot dash line) 2b of lock body 1 internal cylinder 2 of existing computer cucurbit lock; Half vacancy at the keyhole openend adds fastening sealing strip 4; Half makes " mountain " font keyhole 2a at the keyhole closing end, and off-centre is caused to moving down a segment distance in the keyhole position, adopts the sealing strip 4 of casting then to exempt from like " mountain " font keyhole 2a.The key that is complementary therewith also makes " mountain " font key 3 into; " mountain " font key 3 pellet shot from a slingshot 5 change in length because of middle tartar segment thickness increases, and has promptly significantly promoted the size of key of lock; Therefore can reduce pellet shot from a slingshot 5 line numbers increases pellet shot from a slingshot 5 diameters simultaneously, and the intensity of pellet shot from a slingshot 5 is significantly improved.When brute force is unblanked, insert " mountain " font keyhole 2a, unlocking tool carbide alloy key also must corresponding making into " mountain " font; Because of width significantly reduces to cause intensity also just to reduce significantly than original positive and negative two " E " fonts, significantly reduce because of width simultaneously, use the identical torsional moment that brute force produced also significantly to reduce; And because the off-centre of " mountain " font keyhole 2a of lock core 2; When brute force is reversed, firmly cause the external diameter distortion of lock core 2 big more more greatly, resistance is big more, also just more difficult rotation; In order to reach pellet shot from a slingshot 5 fractures that intensity has been increased substantially; The brute force that applies just must increase by a larger margin, must the carbide alloy key that intensity has reduced significantly at first be ruptured, and this lock can't open with the method that brute force is unblanked.
Claims (1)
1. prevent opening by force eccentric computer cucurbit lock for one kind; It is characterized in that: positive and negative two " E " font keyholes that change existing computer cucurbit lock; Half vacancy at the keyhole openend adds fastening sealing strip (4), makes " mountain " font keyhole (2a) in half of keyhole closing end, and off-centre is caused to moving down a segment distance in the keyhole position; Adopt like " mountain " font keyhole (2a) and to cast then sealing strip (4) and can exempt from, the key that is complementary therewith also makes " mountain " font key (3) into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203581272U CN202249226U (en) | 2011-09-22 | 2011-09-22 | Eccentric computer gourd-shaped lock capable of preventing forced opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203581272U CN202249226U (en) | 2011-09-22 | 2011-09-22 | Eccentric computer gourd-shaped lock capable of preventing forced opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202249226U true CN202249226U (en) | 2012-05-30 |
Family
ID=46110488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203581272U Expired - Fee Related CN202249226U (en) | 2011-09-22 | 2011-09-22 | Eccentric computer gourd-shaped lock capable of preventing forced opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202249226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015802A (en) * | 2011-09-22 | 2013-04-03 | 吴宝富 | Anti-strong open eccentric computer calabash lock |
-
2011
- 2011-09-22 CN CN2011203581272U patent/CN202249226U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015802A (en) * | 2011-09-22 | 2013-04-03 | 吴宝富 | Anti-strong open eccentric computer calabash lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140922 |
|
| EXPY | Termination of patent right or utility model |