CN201137344Y - Safe and closed antitheft lock - Google Patents
Safe and closed antitheft lock Download PDFInfo
- Publication number
- CN201137344Y CN201137344Y CNU2007203028451U CN200720302845U CN201137344Y CN 201137344 Y CN201137344 Y CN 201137344Y CN U2007203028451 U CNU2007203028451 U CN U2007203028451U CN 200720302845 U CN200720302845 U CN 200720302845U CN 201137344 Y CN201137344 Y CN 201137344Y
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- locking
- lock
- key
- lock core
- activity template
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Abstract
The utility model discloses a safe closed anti-theft lock head, which comprises a lock body (1), a protective sleeve (2), a lock core (3) and a key (12), wherein at least a row of billiard holes are arranged on the lock body (1) and the lock core (3), billiard pressure springs (6) and upper billiards and lower billiards (4, 5) are filled in the billiard holes, and a lock hole protective device is arranged on the inlet end of a lock hole. The device comprises a locking movable plate (8), a movable plate (11) and a reset spring (10), an upper locking groove and a lower locking groove are arranged on the lock core (3), the locking movable plate (8) and the reset spring (10) are arranged in the upper locking groove, the movable plate (11) and the reset spring (10) are arranged in the lower locking groove, a groove (13) which is matched with the locking movable plate (8) is arranged on the key (12), and a locking hole (9) which is relative to the locking movable plate (8) is arranged on the lock body (1). With the structure, the lock head solves the weakness that the current lock head is easy to be technically opened, and has the advantages of simple and reasonable structure, large robbing difficulty, and excellent technical open resistant performance and the like.
Description
Technical field
The utility model relates to a kind of mechanical antitheft lock, particularly a kind of mechanical antitheft lock head of preventing technical opening.
Background technology
Tapered end is the important component part of lockset, it also is the critical component of decision lockset theftproof performance, mainly form by lock body and lock core, lock core is positioned at lock body, the lock core center is provided with keyhole, the corresponding position of lock core and lock body is provided with many group pellets shot from a slingshot hole, and marble pressuring spring and pellet shot from a slingshot and the following pellet shot from a slingshot gone up movable up and down all are housed in every group of pellet shot from a slingshot hole; During locking, half of last pellet shot from a slingshot is positioned at lock core, and second half is then stayed in the lock body, and after key inserted lock core, the key bit extruding is pellet shot from a slingshot down, and following pellet shot from a slingshot promotes to go up in the whole jacking lock bodies of pellet shot from a slingshot after overcoming the elastic force of marble pressuring spring, and can pass through key rotation lock core this moment; After key was extracted, last pellet shot from a slingshot was under the effect of marble pressuring spring, and wherein half inserted in the lock core again, and this moment, lock core recovered locking once more.The subject matter of its existence is anti-technical opening ability.Technical opening is meant the special tool(s) with non-key, uses certain skill, a kind of gimmick that the tapered end of blocking is opened.For this reason, many associated production enterprises and knowledgeable people have carried out for many years research and test repeatedly, but do not have the ideal method to solve the problems referred to above so far as yet.
Summary of the invention
For solving the problems referred to above that existing machinery formula cylinder lock exists, the purpose of this utility model provides a kind of simple and reasonable, easy for installation, anti-good mechanical antitheft lock head of technical opening performance, thereby improves the security performance of lock.
The technical scheme that its technical problem that solves the utility model adopts; it comprises lock body, sheath, be installed on the lock body and rotating lock core, key; described lock body and lock core are provided with the corresponding pellet shot from a slingshot of at least one row hole; marble pressuring spring and upper and lower pellet shot from a slingshot are housed in the pellet shot from a slingshot hole, and the entrance point of described lockhole is provided with at least one group of lockhole protective device.
Described lockhole protective device comprises locking activity template, activity template, back-moving spring; lock core is provided with the up and down latching slot relative with key; locking activity template and back-moving spring are arranged in the last latching slot of lock core; activity template and back-moving spring are arranged in the following latching slot of lock core; be provided with the groove that is complementary with the locking activity template on the key, lock body is provided with and the corresponding locking of locking activity template hole.
Described lockhole protective device comprises locking activity template, steel ball, back-moving spring; lock core is provided with the latching slot relative with key; the lock body corresponding with latching slot is provided with the locking hole; the locking activity template is arranged in the latching slot of lock core; back-moving spring and steel ball are arranged in the locking hole, are provided with the groove that is complementary with the locking activity template on the key.
The bottom of described plug keyway is provided with strip hole, be provided with movable supporting plate in the strip hole, the locking bar of protrusion is arranged at movable supporting plate bottom, the lock body that is complementary with the locking bar is provided with locking groove, between the movable supporting plate of locking bar both sides and lock body, be provided with the supporting plate spring, be provided with the depression that is complementary with movable supporting plate on the key.
After adopting said structure; following advantage and effect are arranged compared with the prior art: the one, increase the lockhole protective device; the anti-technical opening means of tapered end have also just been increased; because the pirate of the open instrument of technical opening occupies certain space; when non-key-shaped tool carries out technical unlocking; this instrument must push and jack-up locking activity template; insert in the locking hole of lock body on the top of locking activity template; make the lock core locking not rotatable; even go up pellet shot from a slingshot this moment, thereby realize preventing the purpose of technical opening all by also can't rotational lock core in the technical opening jacking lock body.The 2nd, on lock core, be provided with movable supporting plate, the anti-technical opening means of tapered end have further been increased, when non-key-shaped tool carries out technical unlocking, this instrument is under contact in the pellet shot from a slingshot, also must extruding activity supporting plate, the locking bar that protrude movable supporting plate bottom embeds in the locking groove on the lock body, makes lock core locked once more and can't technical opening.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of the utility model.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 2.
Fig. 4 is the E-E cross-sectional view of Fig. 2.
Fig. 5 is the structural representation of second kind of embodiment of the utility model.
Fig. 6 is the C-C cross-sectional view of Fig. 5.
Fig. 7 is the D-D cross-sectional view of Fig. 6.
Fig. 8 is the structural representation of the third embodiment of the utility model.
Fig. 9 is the F-F cross-sectional view of Fig. 8.
Figure 10 is the G-G cross-sectional view of Fig. 8.
The specific embodiment
Fig. 1 is to shown in Figure 4; first kind of specific embodiments for the closed anti-theft lock end of the utility model safety; it comprises lock body 1; sheath 2; be installed on the lock body 1 and rotating lock core 3; key 12; described lock body 1 is provided with the corresponding pellet shot from a slingshot of three rows hole with lock core 3; one row or two row's pellet shot from a slingshot holes can certainly be set on lock body 1 and lock core 3; marble pressuring spring 6 and last is housed in the pellet shot from a slingshot hole; following pellet shot from a slingshot 4; 5; the entrance point of described lockhole is provided with two groups of lockhole protective devices that installation direction is opposite; described lockhole protective device comprises locking activity template 8; activity template 11; back-moving spring 10; lock core 3 is provided with the up and down latching slot relative with key 12; locking activity template 8 and back-moving spring 10 are arranged in the last latching slot of lock core 3; activity template 11 and back-moving spring 10 are arranged in the following latching slot of lock core 3; key 12 is provided with the groove 13 that is complementary with locking activity template 8, and lock body 1 is provided with and locking activity template 8 corresponding locking holes 9.The bottom of described lock core 3 key is provided with strip hole, be provided with movable supporting plate 16 in the strip hole, the locking bar of protrusion is arranged at movable supporting plate 16 bottoms, the lock body 1 that is complementary with the locking bar is provided with locking groove 19, be provided with supporting plate spring 18 between the movable supporting plate 16 of locking bar both sides and lock body 1, key 12 is provided with the depression that is complementary with movable supporting plate 16.Locking activity template 8 and activity template 11 withstand on together under back-moving spring 10 elastic force effects under the normal condition, play the effect of sealing keyhole.When normally opening with key, locking activity template 8 is inserted in the groove 13 that is complementary with it on the key 12 under the elastic force effect of back-moving spring 10, movable supporting plate 16 is inserted in the depression that is complementary with it on the key 12 under the elastic force effect of supporting plate spring 18, does not therefore influence the rotation of lock core 3 when normal the unlatching.When non-key-shaped tool carried out technical unlocking, this instrument must push and jack-up locking activity template 8, and insert in the locking hole 9 of lock body on the top of locking activity template 8, made lock core 3 lockings not rotatable; Meanwhile, this instrument also must extruding activity supporting plate 16 under contact in the pellet shot from a slingshot, and the locking bar that protrude movable supporting plate 16 bottoms embeds in the locking groove 19 on the lock body 1, make lock core 3 locked once more and can't rotate, thereby realize preventing the purpose of technical unlocking.
Fig. 5 is to shown in Figure 7; second kind of specific embodiments for the closed anti-theft lock end of the utility model safety; this programme and first kind of its difference of specific embodiments comparison are: described lockhole protective device comprises locking activity template 8, steel ball 15, back-moving spring 10; lock core 3 is provided with the latching slot relative with key 12; the lock body 1 corresponding with latching slot is provided with locking hole 9; locking activity template 8 is arranged in the latching slot of lock core 3; back-moving spring 10 and steel ball 15 are arranged in the locking hole 9, and key 12 is provided with the groove 13 that is complementary with locking activity template 8.The course of work of this programme and first kind of specific embodiments roughly the same no longer repeat at this.
Fig. 8 is the third specific embodiments of the closed anti-theft lock end of the utility model safety to shown in Figure 9, and this programme compares its difference with second kind of specific embodiments: the one, and the shape of lock body 1 is different; The 2nd, be arranged side by side two row's pellet shot from a slingshot holes in the same direction of lock body 1, the 3rd, on the pellet shot from a slingshot hole of lock body 1 and locking hole 9, be provided with and seal pin 17.The course of work of this programme and second kind of specific embodiments roughly the same no longer repeat at this.
Claims (4)
1, the closed anti-theft lock end of a kind of safety; comprise lock body (1), sheath (2), be installed in lock body (1) last also rotating lock core (3), key (12); it is characterized in that: described lock body (1) is provided with the corresponding pellet shot from a slingshot of at least one row hole with lock core (3); marble pressuring spring (6) and upper and lower pellet shot from a slingshot (4,5) are housed in the pellet shot from a slingshot hole, and the entrance point of described lockhole is provided with one group or two groups of lockhole protective devices.
2; the closed anti-theft lock end of safety according to claim 1; it is characterized in that: described lockhole protective device comprises locking activity template (8); activity template (11); back-moving spring (10); lock core (3) is provided with the up and down latching slot relative with key (12); locking activity template (8) and back-moving spring (10) are arranged in the last latching slot of lock core (3); activity template (11) and back-moving spring (10) are arranged in the following latching slot of lock core (3); key (12) is provided with the groove (13) that is complementary with locking activity template (8), and lock body (1) is provided with and locking activity template (8) corresponding locking hole (9).
3, the closed anti-theft lock end of safety according to claim 1; it is characterized in that: described lockhole protective device comprises locking activity template (8), steel ball (15), back-moving spring (10); lock core (3) is provided with and the relative latching slot of key (12); the lock body corresponding with latching slot (1) is provided with locking hole (9); locking activity template (8) is arranged in the latching slot of lock core (3); back-moving spring (10) and steel ball (15) are arranged in the locking hole (9), and key (12) is provided with the groove (13) that is complementary with locking activity template (8).
4, according to claim 2 or the closed anti-theft lock end of 3 described safety, it is characterized in that: the bottom of described lock core (3) key is provided with strip hole, be provided with movable supporting plate (16) in the strip hole, the locking bar of protrusion is arranged at movable supporting plate (16) bottom, the lock body (1) that is complementary with the locking bar is provided with locking groove (19), be provided with supporting plate spring (18) between the movable supporting plate (16) of locking bar both sides and lock body (1), key (12) is provided with the depression that is complementary with movable supporting plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203028451U CN201137344Y (en) | 2007-12-07 | 2007-12-07 | Safe and closed antitheft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203028451U CN201137344Y (en) | 2007-12-07 | 2007-12-07 | Safe and closed antitheft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201137344Y true CN201137344Y (en) | 2008-10-22 |
Family
ID=40038030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203028451U Expired - Fee Related CN201137344Y (en) | 2007-12-07 | 2007-12-07 | Safe and closed antitheft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201137344Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061837A (en) * | 2010-12-17 | 2011-05-18 | 朱江 | Closed type anti-theft lock |
-
2007
- 2007-12-07 CN CNU2007203028451U patent/CN201137344Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061837A (en) * | 2010-12-17 | 2011-05-18 | 朱江 | Closed type anti-theft lock |
| CN102061837B (en) * | 2010-12-17 | 2012-11-21 | 朱江 | Closed type anti-theft lock |
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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: 20081022 Termination date: 20101207 |