CN100541695C - Anti-theft lock - Google Patents
Anti-theft lock Download PDFInfo
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- CN100541695C CN100541695C CNB2006101546757A CN200610154675A CN100541695C CN 100541695 C CN100541695 C CN 100541695C CN B2006101546757 A CNB2006101546757 A CN B2006101546757A CN 200610154675 A CN200610154675 A CN 200610154675A CN 100541695 C CN100541695 C CN 100541695C
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- lock core
- lock
- theft ring
- theft
- switching device
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Abstract
The present invention relates to a kind of anti-theft lock, comprise lock body, lock core, transmission mechanism and switching device, mainly be between lock body and lock core, to be provided with anti-theft ring, on the anti-theft ring inner hole wall of lock core marble corresponding position, be shaped on spring groove, the anti-theft ring outer cylinder surface is shaped on cannelure, and this cannelure has a surface groove that protrudes, and is fixed with guide finger on the lock body, this guide finger is inlaid in surface groove tip position in the cannelure, is provided with the axial location pin between anti-theft ring and the lock core.When picklock by force during rotary locking cylinder, to drive anti-theft ring moves axially, make switching device break away from the transmission of transmission mechanism, or switching device switching circuit end is left by control switch, the lock core rotation is arbitrarily angled all can not open the lockset switch or start motorcycle, and pellet shot from a slingshot is not fragile, has advantages such as pick-proof, theftproof performance are good, is applicable to the antitheft starting switch lock of various safe-guard door locks or motorcycle.
Description
Technical field
The present invention relates to the five metals field, specifically about a kind of lockset.
Background technology
Existing lockset, as door lock, lock for motorcycle, generally form by lock body, lock core, transmission mechanism, switching device (as tapered end), lock core is installed in the lock body endoporus, on lock core, be provided with some pellets shot from a slingshot, be provided with spring groove at the lock body endoporus corresponding to the pellet shot from a slingshot position, transmission mechanism connects lock core and switching device.When key inserts lock core, in the end indentation lock core of all pellets shot from a slingshot, lock core can be rotated in lock body and unblank; When key did not insert lock core, pellet shot from a slingshot protruded under spring action in the spring groove of lock core outer surface embedding lock body endoporus, and lock core can not be rotated in lock body, prevented that lockset is by the unlatching of the instrument beyond institute's bitting.But, the lockset of existing structure, be to rely on the pellet shot from a slingshot in the lock core to be embedded in the lock spring draw-in groove, stop lock core in lock body, to rotate, prevent that lock is unlocked, because of the intensity of pellet shot from a slingshot less, when picklock reversed lock core by force, pellet shot from a slingshot was easy to be twisted off, and lock is opened by force, theftproof performance is poor, and fragile lockset.
Summary of the invention
The objective of the invention is shortcoming, a kind of pick-proof, the bad anti-theft lock of good, the difficult sled of theftproof performance are provided at the prior art existence.
The technical scheme that realizes the object of the invention comprises lock body, lock core, transmission mechanism and switching device, lock core is installed in the lock body endoporus, on lock core, be provided with some pellets shot from a slingshot, the lock core end connects transmission mechanism, transmission mechanism is connected with switching device, mainly is to be provided with anti-theft ring between lock body and lock core, and the cylindrical of described anti-theft ring cooperates with the lock body endoporus is movable, the endoporus of anti-theft ring cooperates with lock core is movable, is shaped on spring groove on the anti-theft ring inner hole wall of lock core marble corresponding position; The anti-theft ring outer cylinder surface is shaped on cannelure, and this cannelure has a surface groove that protrudes; Be fixed with guide finger on the lock body, this guide finger is inlaid in surface groove tip position in the cannelure, and guide finger is movable the cooperation in cannelure; Be provided with the axial location pin between anti-theft ring and the lock core.
In above technical scheme, described transmission mechanism is the drive link that is fixedly connected on the lock core, the other end of drive link connects switching device, this switching device is a push-button switch, the described other end of drive link and the button of push-button switch are sleeved in the square hole of switch body simultaneously, and both end faces contact mutually.
In above technical scheme, described transmission mechanism is the drive link that is fixedly connected on the lock core, the other end of drive link connects the moving contact of switching device, the contact of deciding of switching device is fixedly mounted on the lock body, be provided with a control switch between lock body and anti-theft ring, two contacts of this control switch are connected in series on the conducting wire of deciding contact by lead respectively.
In above technical scheme, described transmission mechanism is gear-rack gear, and gear is fixedly mounted on the lock core, and tooth bar connects switching device.
The present invention's beneficial effect compared with prior art is: be provided with anti-theft ring between lock body and lock core, when normal key inserts lock core, the end of all pellets shot from a slingshot is reduced in the lock core outer round surface in the lock core, lock core can be rotated in lock body, equally with existing product normally unblank or start motorcycle; When picklock (as screwdriver) inserts lock core, the end of pellet shot from a slingshot embeds in the spring groove of anti-theft ring endoporus in the lock core, the rotation of drive anti-theft ring, the movement locus of restriction anti-theft ring in the surface groove of the cannelure on anti-theft ring of the guide finger on the lock body, the relative lock body of anti-theft ring is moved axially, owing to be provided with the axial location pin between anti-theft ring and the lock core, anti-theft ring drives lock core, transmission mechanism moves axially simultaneously, make switching device break away from the transmission of transmission mechanism, or switching device switching circuit end is left by control switch, the lock core rotation is arbitrarily angled all can not open the lockset switch or start motorcycle, and pellet shot from a slingshot is not fragile, its pick-proof, theftproof performance is good.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of A-A direction among Fig. 1 of the present invention.
Fig. 3 is the structural representation of B-B direction among Fig. 1 of the present invention.
Fig. 4 is the structural representation of anti-theft ring outer round surface cannelure among Fig. 1 of the present invention.
Fig. 5 is the structural representation of another embodiment of the present invention.
Embodiment
Now further describe technical scheme of the present invention in conjunction with the accompanying drawings and embodiments.
Embodiment one:
Anti-theft lock as shown in Figure 1, structure comprises lock body 14, lock core 5, transmission mechanism, decides contact 11 and moving contact 10, lock core 5 is installed in lock body 14 endoporus, on lock core 5, be provided with some pellets shot from a slingshot 3, when key 1 inserts lock core 5, the end of pellet shot from a slingshot 3 is reduced in the lock core 5, lock core 5 ends connect transmission mechanism, described transmission mechanism is the drive link 20 that is fixedly connected on lock core 5 ends, these drive link 20 ends and button 8 are sleeved in the square hole of switch body 7 simultaneously, and the button 8 of its end face and push-button switch contacts.Be provided with thrust spring 6 between switch body 7 and drive link 20 steps, drive link 20 moves forward when preventing key 1 normal insertion to lock core 5 generation thrusts.Between lock body 14 and lock core 5, be provided with anti-theft ring 2, the cylindrical of described anti-theft ring 2 cooperates with lock body 14 endoporus are movable, the endoporus of anti-theft ring 2 and 5 movable cooperations of lock core, on anti-theft ring 2 inner hole walls in the outside, the pellet shot from a slingshot corresponding position on the lock core 5, be shaped on spring groove 18, as shown in Figure 3, when key 1 was extracted lock core 5, an end of pellet shot from a slingshot 3 entered in the spring groove 18 of anti-theft ring 2 inner hole walls under spring 17 effects, stops lock core 5 and anti-theft ring 2 relative rotations.Anti-theft ring 2 outer cylinder surfaces are shaped on cannelure 16, and this cannelure 16 has a surface groove 19 that protrudes, as shown in Figure 4.Be fixed with guide finger 4 on the lock body 14, this guide finger 4 is inlaid in the cannelure 16, under normal condition (being the original installation site of anti-theft ring 2 in lock), guide finger 4 is inserted in the gable top position of surface groove 19, guide finger 4 is movable the cooperation in cannelure 16, under the circumferencial direction twisting force, guide finger 4 can move in cannelure 16 and surface groove 19 thereof.The effect of cooperatively interacting of guide finger 4, cannelure 16 and surface groove 19 thereof, be anti-theft ring 2 to be produced move axially, so also can adopt at lock body 14 endoporus and make cannelure and surface groove, and reach the effect that is equal in the structure of anti-theft ring 2 outer surface fixed guide pins.Be provided with axial location pin 15 between anti-theft ring 2 and the lock core 5, these axial location pin 15 restriction anti-theft ring 2 axially relatively move with lock core 5, alignment pin 15 is fixed on the anti-theft ring 2, and, make anti-theft ring 2 and the lock core 5 can the relative rotation of freedom at circumferencial direction at lock core 5 outer surface settings and the alignment pin 15 movable cannelures that cooperate.The effect of axial location pin 15 is that restriction anti-theft ring 2 axially relatively moves with lock core 5, axially relatively moves so also can adopt manufacturing cooperatively interacts between anti-theft ring 2 and lock core 5 step to limit both.
Drive link 20 middle parts have the structure of arching, and its arch position and motorcycle latch mechanism cooperatively interact, and this is a prior art, no longer is described in detail at this.
Described push-button switch by switch body 7, decide contact 11, moving contact 10, button spring 13, back-moving spring 12 and form, deciding contact 11 is fixed in the mounting disc, decide to be between contact 11 and the moving contact 10 normally closed interlock, deciding contact 11 is connected in the motorcycle ignition circuit, be normally open contact between moving contact 10 and the Alarm contactor 9, Alarm contactor 9 is connected in the alarm power circuit.Insulating material is adopted in switch body 7, the mounting disc of deciding contact 11.Moving contact 10 hangs on the button 8 by button spring 13, as shown in Figure 2, when drive link 20 promotes button 8 to reach, button spring 13 with moving contact 10 bullets round about, break away from the mounting plane of deciding contact 11, contact with Alarm contactor 9, the operating principle of push-button switch is a known technology, is not described in detail at this.
Its operation principle is: when key 1 inserts lock core 5, in the end indentation lock core 5 of pellet shot from a slingshot 3, lock core 5 can rotate freely in anti-theft ring 2, during key 1, lock core 5 drives drive links 20, button 8 and moving contact 10 rotations thereof, when forwarding certain angle to, moving contact 10 with decide contact 11 and overlap, to decide two contactings of contact 11, the motorcycle energising starts.When picklock inserts lock core 5, have at least the end of a part of pellet shot from a slingshot will eject outside the lock core 5, the end of this a part of pellet shot from a slingshot will embed in the spring groove 18 of anti-theft ring 2 endoporus, anti-theft ring 2 can not be rotated relatively with lock core 5, when rotational lock core 5 by force, anti-theft ring 2 is and then rotated, in anti-theft ring 2 rotation processes, the guide finger 4 that is fixed on the lock body 14 will move to triangular base from the gable top position of surface groove 19, anti-theft ring 2 is moved axially, because the effect of axial location pin 15 between anti-theft ring 2 and the lock core 5, lock core 5 is moved axially with anti-theft ring 2, when lock core 5 moved forward setpoint distance together with drive link 20, button spring 13 broke away from the mounting plane of deciding contact 11 with moving contact 10 bullets round about, contact with Alarm contactor 9, moving contact 10 is not reached in rotary course all the time decide contact 11, guarantee that two contacts of deciding contact 11 are in open-circuit condition, can not start motorcycle.Simultaneously, moving contact 10 is connected Alarm contactor 9, makes alarm send alarm signal.When lock core 5 and anti-theft ring 2 returned to original position, drive link 20 returned to initial normal position, and under back-moving spring 12 and 13 effects of button spring, moving contact 10 returns to the mounting disc of deciding contact 11 and contacts.
Embodiment two:
Anti-theft lock as shown in Figure 5, structure comprises lock body 14, lock core 5, transmission mechanism, decide contact 11 and moving contact 10, lock core 5 is installed in lock body 14 endoporus, on lock core 5, be provided with some pellets shot from a slingshot 3, when key 1 inserts lock core 5, the end of pellet shot from a slingshot 3 is reduced in the lock core 5, lock core 5 ends connect transmission mechanism, described transmission mechanism is the drive link 20 that is fixedly connected on lock core 5 ends, these drive link 20 other ends connect the moving contact 10 of switching device, moving contact 10 contacts with the mounting disc of deciding contact 11, is provided with spring 21 on the closure of drive link 20 and moving contact 10, the displacement when this spring 21 can absorb drive link 20 and moves axially.The contact 11 of deciding of switching device is fixedly mounted on the lock body 14 by mounting disc.Between lock body 14 and lock core 5, be provided with anti-theft ring 2, the cylindrical of described anti-theft ring 2 cooperates with lock body 14 endoporus are movable, the endoporus of anti-theft ring 2 and 5 movable cooperations of lock core, on anti-theft ring 2 inner hole walls in the outside, the pellet shot from a slingshot corresponding position on the lock core 5, be shaped on spring groove 18, as shown in Figure 3, when key 1 was extracted lock core 5, an end of pellet shot from a slingshot 3 entered in the spring groove 18 of anti-theft ring 2 inner hole walls under spring 17 effects, stops lock core 5 and anti-theft ring 2 relative rotations.Anti-theft ring 2 outer cylinder surfaces are shaped on cannelure 16, and this cannelure 16 has a surface groove 19 that protrudes.Be fixed with guide finger 4 on the lock body 14, this guide finger 4 is inlaid in the cannelure 16, and under normal condition (being the original installation site of anti-theft ring 2 in lock), guide finger 4 is inserted in the gable top position of surface groove 19.Guide finger 4 is movable the cooperation in cannelure 16, and under the circumferencial direction twisting force, guide finger 4 can move in cannelure 16 and surface groove 19 thereof.Be provided with axial location pin 15 between anti-theft ring 2 and the lock core 5, these axial location pin 15 restriction anti-theft ring 2 axially relatively move with lock core 5, alignment pin 15 is fixed on the anti-theft ring 2, and, make anti-theft ring 2 and the lock core 5 can the relative rotation of freedom at circumferencial direction at lock core 5 outer surface settings and the alignment pin 15 movable cannelures that cooperate.Be provided with a control switch 22 between lock body 14 and anti-theft ring 2, two contacts of this control switch 22 are connected in series on the conducting wire of deciding contact 11 by lead respectively.Control switch 22 is installed on the lock body 14 in anti-theft ring 2 end face the place aheads, and a block is installed on anti-theft ring 2 end faces simultaneously, and this block keeps off pressure-controlled switch 22 when anti-theft ring 2 moves axially, and two contacts of control switch 22 are disconnected.
Drive link 20 middle parts have the structure of arching, and its position of arching cooperates transmission with the motorcycle latch mechanism, and this is a prior art, no longer is described in detail at this.
Its action principle mainly is: when the retaining picklock reverses lock core 5 by force, its pellet shot from a slingshot 3 drives anti-theft ring 2 rotations, anti-theft ring 2 is axially moved under guide finger 4 effects, retaining pressure-controlled switch 22, two contacts of control switch 22 are disconnected, thereby disconnect the conducting channel decide contact 11, make the motorcycle can not ignition trigger.
Embodiment three:
What embodiment one and embodiment two described is two kinds of electronic lock structures that mainly are used in motorcycle, and present embodiment is described a kind of mechanical lock structure scheme.Mainly comprise lock body 14, lock core 5, transmission mechanism and switching device, lock core 5 is installed in lock body 14 endoporus, on lock core 5, be provided with some pellets shot from a slingshot 3, lock core 5 ends connect transmission mechanism, transmission mechanism connects switching device, between lock body 14 and lock core 5, be provided with anti-theft ring 2, the cylindrical of described anti-theft ring 2 cooperates with lock body 14 endoporus are movable, the endoporus of anti-theft ring 2 and 5 movable cooperations of lock core, on anti-theft ring 2 inner hole walls of pellet shot from a slingshot 3 corresponding positions of lock core 5, be shaped on spring groove 18, anti-theft ring 2 outer cylinder surfaces are shaped on cannelure 16, this cannelure 16 has a surface groove 19 that protrudes, be fixed with guide finger 4 on the lock body 14, this guide finger 4 is inlaid in surface groove 19 tip positions in the cannelure 16, guide finger 4 is movable the cooperation in cannelure 16 and surface groove 19 thereof, is provided with axial location pin 15 between anti-theft ring 2 and the lock core 5, as Fig. 1,3, shown in 4.Transmission mechanism is gear-rack gear, and gear is fixedly mounted on the lock core 5, and tooth bar connects switching device, and this switching device can adopt the bolt with the tooth bar one.Transmission mechanism also can adopt cam or shift fork transmission, and these structures all are the known technologies of existing machinery door lock.When the retaining picklock reverses lock core 5 by force, its pellet shot from a slingshot 3 drives anti-theft ring 2 rotations, anti-theft ring 2 is axially moved under guide finger 4 effects, and make lock core 5 and the driving gear of fixedlying connected with lock core 5 axially moves, make the engagement of driving gear disengaging and driven gear or tooth bar, thereby make lock core 5 idle running, can not open switching devices such as bolt.
Claims (4)
1, a kind of anti-theft lock, comprise lock body (14), lock core (5), transmission mechanism and switching device, lock core (5) is installed in lock body (14) endoporus, on lock core (5), be provided with some pellets shot from a slingshot (3), lock core (5) end connects transmission mechanism, transmission mechanism is connected with switching device, it is characterized in that between lock body (14) and lock core (5), being provided with anti-theft ring (2), the cylindrical of described anti-theft ring (2) cooperates with lock body (14) endoporus is movable, the endoporus of anti-theft ring (2) cooperates with lock core (5) is movable, is shaped on spring groove (18) on anti-theft ring (2) inner hole wall of last pellet shot from a slingshot (3) corresponding position of lock core (5); Anti-theft ring (2) outer cylinder surface is shaped on cannelure (16), and this cannelure (16) has a surface groove (19) that protrudes; Be fixed with guide finger (4) on the lock body (14), this guide finger (4) is inlaid in the interior surface groove of cannelure (16) (19) tip position, and guide finger (4) is movable the cooperation in cannelure (16); Be provided with axial location pin (15) between anti-theft ring (2) and the lock core (5).
2, anti-theft lock according to claim 1, it is characterized in that described transmission mechanism is for being fixedly connected on the drive link (20) on the lock core (5), the other end of drive link (20) connects switching device, this switching device is a push-button switch, the button (8) of the described other end of drive link (20) and push-button switch is sleeved in the square hole of switch body (7) simultaneously, and both end faces contact mutually.
3, anti-theft lock according to claim 1, it is characterized in that described transmission mechanism is for being fixedly connected on the drive link (20) on the lock core (5), the other end of drive link (20) connects the moving contact (10) of switching device, the contact (11) of deciding of switching device is fixedly mounted on the lock body (14), be provided with a control switch (22) between lock body (14) and anti-theft ring (2), two contacts of this control switch (22) are connected in series on the conducting wire of deciding contact (11) by lead respectively.
4, anti-theft lock according to claim 1 is characterized in that described transmission mechanism is gear-rack gear, and gear is fixedly mounted on the lock core (5), and tooth bar connects switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101546757A CN100541695C (en) | 2006-11-20 | 2006-11-20 | Anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101546757A CN100541695C (en) | 2006-11-20 | 2006-11-20 | Anti-theft lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1959889A CN1959889A (en) | 2007-05-09 |
| CN100541695C true CN100541695C (en) | 2009-09-16 |
Family
ID=38071512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101546757A Expired - Fee Related CN100541695C (en) | 2006-11-20 | 2006-11-20 | Anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100541695C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425156A (en) * | 2013-09-07 | 2015-03-18 | 天津视觉天堂影像文化传媒有限责任公司 | Safety switch lock |
| CN104425173A (en) * | 2013-09-09 | 2015-03-18 | 天津视觉天堂影像文化传媒有限责任公司 | Electric switch lock |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294093A (en) * | 1979-06-14 | 1981-10-13 | Best Lock Corporation | Pin tumbler lock with pull-resistant key plug |
-
2006
- 2006-11-20 CN CNB2006101546757A patent/CN100541695C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294093A (en) * | 1979-06-14 | 1981-10-13 | Best Lock Corporation | Pin tumbler lock with pull-resistant key plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1959889A (en) | 2007-05-09 |
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Granted publication date: 20090916 Termination date: 20131120 |