CN201420437Y - Electromagnetic code anti-theft lock - Google Patents
Electromagnetic code anti-theft lock Download PDFInfo
- Publication number
- CN201420437Y CN201420437Y CN2009201449474U CN200920144947U CN201420437Y CN 201420437 Y CN201420437 Y CN 201420437Y CN 2009201449474 U CN2009201449474 U CN 2009201449474U CN 200920144947 U CN200920144947 U CN 200920144947U CN 201420437 Y CN201420437 Y CN 201420437Y
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- Prior art keywords
- key
- lock
- electromagnetism
- theft
- puzzle theft
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- 210000001699 lower leg Anatomy 0.000 claims description 13
- 230000000295 complement Effects 0.000 claims description 6
- 229920002457 flexible plastic Polymers 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001681 protective Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000001070 adhesive Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
Abstract
The utility model discloses an electromagnetic code anti-theft lock, which mainly comprises a lock handle, a lock body and a key. A code wheel and an electronic circuit are arranged inside the lock. The electromagnetic code anti-theft lock effectively combines the functions of a mechanical code lock and an electronic code lock integrally, a loudspeaker is installed to emit warning sound, and people must simultaneously have a right code and the right key so as to unlock the lock. Accordingly, the anti-theft performance of the electromagnetic code anti-theft lock is greatly improved. In addition, the electromagnetic code anti-theft lock has the advantages of reasonable design, simple structure, low cost, fine waterproof performance and the like.
Description
Technical field
The utility model relates to a kind of lockset, more particularly, relates to a kind of electromagnetism puzzle theft-proof lock.
Background technology
As everyone knows, bicycle because its have flexibly, make things convenient for, the advantage of cheapness and environmental protection, become a kind of main vehicles that people go on a journey.But the larceny case of bicycle happens occasionally, so the antitheft problem of bicycle receives much concern always.
At present, common anti-theft lock for bicycle mostly is mechanical code lock, though this lockset the external style and decoration can be had nothing in common with each other, its internal construction is basic identical, and operating principle is basically identical also, and it is very low to crack difficulty.Therefore, just occurred one on the market so-called MASTERKRY, it can open some locks.Perhaps, the phenomenon of coded lock also occurred just can " hook " opening, made the safety of mechanical code lock have a greatly reduced quality thus with iron wire.
In the novel anti-burglar lock that occurs on recent market, electronic password lock improves the complexity of password by adopting electronic circuit, and Fingerprint Lock then is to adopt the unique fingerprint of car owner as identification signal.Although this electronic product can both improve the safety of theftproof lock to a great extent, but the cost of production of this class lock is very high usually, cause price also correspondingly to improve, even be higher than the price of bicycle itself, thereby exceeded general user's the scope of accepting, so and be not suitable for the use of ordinary populace.In addition, also there is installation and maintenance process complicated problems in this class lock, and also shows not fully up to expectationsly at aspects such as protection against the tide are crashproof.
The utility model content
At the deficiencies in the prior art, the purpose of this utility model is that a kind of safe ready, robust electromagnetism puzzle theft-proof lock will be provided.
For achieving the above object, the utility model provides a kind of electromagnetism puzzle theft-proof lock, and it comprises shank of the key, lock body and key, and shank of the key is a U font pipe, one end is to be provided with the end that locks that the cross section is the groove of circular arc, and the other end is to be provided with the free end that the cross section is the groove of rectangle; Lock body comprises that being arranged at its inside upper part is used to block the electromagnet fore shaft gib of shank of the key, the internal circuit that is arranged at its middle inside, the keyhole that is arranged at its inside left-end portion, limit spring, latch, conductive contact and is arranged at the cipher wheel that its outside left part is used to support latch; The front portion of key is a rectangle, and afterbody is fan-shaped, and external surface is provided with and is used to the concave point that connects internal circuit and be complementary with the conductive contact shape.
According to a preferred embodiment of the present utility model, lock body also comprises the battery case that is arranged at its outer upper, and the loudspeaker that is used to send chimes of doom that is arranged at its inboard end side.
According to another preferred embodiment of the present utility model, keyhole comprises first passage, the second channel that is provided with key door and the sectional dimension third channel identical with the first passage sectional dimension that sectional dimension and key sectional dimension are complementary.
According to another preferred embodiment of the present utility model, conductive contact is the raised points of 16 interconnector random pairs, and wherein the pair of conductive contact is connected with power circuit, and all the other all are connected with the warning circuit that is connected with loudspeaker.
According to another one preferred embodiment of the present utility model, the rubber packing that is used for waterproof is installed on the lid of battery case.
According to another preferred embodiment of the present utility model, the two ends of lock body are equipped with the flexible plastic enclosing cover that is used for waterproof.
According to another preferred embodiment of the present utility model, the both port of origination of the internal wiring groove of lock body and the inlet wire port of battery case all are equipped with waterproof washer.
The beneficial effects of the utility model are, this electromagnetism puzzle theft-proof lock is owing to adopt the mode that frame for movement and electronic circuit are combined to provide the multiple protective measure to lockset, the thief is difficult to crack at short notice all safeguard measures of this lockset, has therefore greatly improved the theftproof performance of this lockset; And this electromagnetism puzzle theft-proof lock is reasonable in design, simple in structure, easy to process, and production and the cost of safeguarding are very low, therefore is suitable for ordinary populace and uses; In addition, waterproofing design is adopted in many places in this electromagnetism puzzle theft-proof lock, can guarantee that lockset still can use safely in the rainy day, and prolong the application life of lockset effectively.
Description of drawings
Fig. 1 is the structural representation according to the electromagnetism puzzle theft-proof lock of a preferred embodiment of the utility model;
Fig. 2 is the structural representation of shank of the key in the electromagnetism puzzle theft-proof lock shown in Figure 1;
Fig. 3 is the structural representation after left part A amplifies in the electromagnetism puzzle theft-proof lock shown in Figure 1;
Fig. 4 is the schematic diagram that latch withstands keyhole in the electromagnetism puzzle theft-proof lock shown in Figure 1;
Fig. 5 is the internal construction schematic diagram of keyhole in the electromagnetism puzzle theft-proof lock shown in Figure 1;
Fig. 6 is the structural representation of electromagnetism puzzle theft-proof lock inner contact shown in Figure 1; And
Fig. 7 is an electromagnetism puzzle theft-proof lock internal circuit schematic diagram shown in Figure 1.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Combine frame for movement and electronic circuit comes lockset is carried out multiple protective according to electromagnetism puzzle theft-proof lock of the present utility model, avoided the easy ruined shortcoming of mechanical lock, and can greatly improve the anti-theft capability of lockset.Fig. 1 shows the structure according to the electromagnetism puzzle theft-proof lock of a preferred embodiment of the utility model, and the structure of this theftproof lock comprises shank of the key 1, lock body 2 and key 3.
Wherein, shank of the key 1 is a metal tube, and overall structure is the U font, and length is 300mm, and width is 100mm, and two termination takes different shapes, and preferred shape as shown in Figure 2.The end 11 that locks is provided with the groove that the cross section is a circular arc, is used for realizing firm connection.Free end 12 is provided with the groove that the cross section is a rectangle, and width can move a segment distance by easy on and off greater than the width of end 11 upper grooves that lock in lock body 2.
Lock body 2 is that length is the cylindrical of 200mm, and its diameter of section is 40mm, and its structure comprises battery case 21, loudspeaker 22, electromagnet fore shaft gib 23, internal circuit 24, keyhole 25, limit spring 26, latch 27, conductive contact 28 and cipher wheel 29.Battery case 21 is arranged at the outer upper of lock body 2, and being used for provides power supply to internal circuit 24; Loudspeaker 22 is arranged at the inboard right part of lock body 2, is used to point out warning message; Electromagnet fore shaft gib 23 is arranged at the inside upper part of lock body 2, withholds the end 11 that locks of shank of the key 1 with being used for fixing; Internal circuit 24 is arranged at the middle inside of lock body 2, is used for transmission of electric signals.Structure after the left part A of lock body 2 amplifies as shown in Figure 3, keyhole 25, limit spring 26, latch 27 and conductive contact 28 all are arranged at the inside left-end portion of lock body 2.In addition, cipher wheel 29 is arranged at the outside left part of lock body 2 and supports latch 27, needs correct password and suitable key 3 just can be opened this theftproof lock, so the shape of keyhole 25 should be complementary with the shape of key 3.Preferably, 3 the structures that notched torus side by side form of cipher wheel 29 for often adopting in the prior art can be provided with 3 bit digital passwords.
From the side, the shape of key 3 preferably adopts the anterior rectangle that is, afterbody is fan-shaped, and the surface is provided with the concave point that several and conductive contact 28 shapes are complementary, and connects by the circuit that is arranged at key 3 inside between the concave point.
Shown in Fig. 4 is the situation that latch 27 withstands keyhole 25 under locking state.Particularly, under the state of this electromagnetism puzzle theft-proof lock locking, the numeral on the cipher wheel 29 can not be arranged as correct password, so the breach on 3 torus of cipher wheel 29 can't align and form groove, more can't make groove face an end of latch 27.Like this, under the elastic force of limit spring 26, an end of latch 27 is withstood by cipher wheel 29, makes the other end of latch 27 extend to the middle part of keyhole 25, to support key door 254 and to make it keep closed condition.At this moment, under the barrier effect of key door 254, any key or iron wire all can't be inserted in the keyhole 25, so stoped this electromagnetism puzzle theft-proof lock not known that the people of password unblanks.
Shown in Fig. 5 is the internal construction of keyhole 25.As can be seen from Figure 5 keyhole 25 is divided into three layers, i.e. first passage 251, second channel 252 and third channel 253.The sectional dimension of the sectional dimension of first passage 251 and key 3 is suitable, can just allow key 3 to pass through; Second channel 252 is one section groove that key door 254 is installed, and its inner space will guarantee that after key door 254 is opened key 3 can waltz through second channel 252 and enter into third channel 253; And the sectional dimension of third channel 253 is identical with first passage 251, its inside is provided with a plurality of conductive contacts 28, to guarantee that key 3 inserts the concave point on key 3 surfaces, back and the conductive contact 28 of third channel 253 inside can fully contact, thereby conducting internal circuit 24, and then the process that begins to unblank.Because the size of key door 254 is greater than the cross section of first passage 251 and third channel 253, even therefore key door 254 is prized by force to break and also can not dropped out from first passage 251, stop that key 3 inserts in the keyholes 25 and illegally unblanks but can be stuck in to play in the second channel 252, thereby set up the second road mechanical protection barrier for this electromagnetism puzzle theft-proof lock.
After importing correct password and using correct key 3, internal circuit 24 in the lock body 2 is switched on and starts working, control the closed of electromagnet fore shaft gib 23 or unclamp by the adhesive of electromagnet in the control internal circuit 24, the power that just utilizes electromagnet when energising to produce drives iron core forwards or the rear motion, make iron core promote electromagnet fore shaft gib 23 forwards or the rear move and realize closure or unclamp.When electromagnet fore shaft gib 23 unclamped, shank of the key 1 can freely break away from lock body 2, thereby realized unlocking function.Preferably, this lockset is powered to internal circuit 24 as power supply with No. seven batteries of two joints, and control circuit for electromagnet is made of 3 volts of elements such as dc source, lead and electromagnet.Because the operating voltage of this control circuit is not high, so electromagnet is preferably the electromagnet that rated voltage is less than or equal to 3 volts.
Fig. 6 shows the structure of the conductive contact of this electromagnetism puzzle theft-proof lock.There is the conductive contact 28 of 16 projectioies lock body 2 the insides, each raised points all is provided with terminals, wherein have only and select two conductive contacts 28 to be connected at random with the power line of lock body 2 inside, contact such as two shown in Fig. 6 bands " Y ", and other conductive contact 28 is connected at random with the both positive and negative polarity of alarm circuit, such as the contact of all bands " N " shown in Fig. 6.Randomly conductive contact 28 being matched in twos when making lockset, like this, just can form a path as long as realize the connection of opening circuit between two conductive contacts 28, is exactly key 3 and make the media that is connected that opens circuit.The line of key 3 inside can be so that the correct conducting of the circuit that opens circuit, so that electromagnet is because of the energising adhesive, thereby it is inner and unclamp to make the electromagnet fore shaft gib 23 that blocks shank of the key 1 be drawn in lock body 1 under the dragging of connecting rod, and the electromagnetism puzzle theft-proof lock is opened.
Fig. 7 shows the internal circuit configuration of this electromagnetism puzzle theft-proof lock, and in order to make illustrative ease, 16 all conductive contacts 28 do not draw among Fig. 7.Owing to be to adopt random fashion to connect between the conductive contact 28, the probability that will want correctly to connect circuit under the condition that does not have correct key 3 can be very little, therefore think to unblank at short notice is impossible realize that such circuit design method has increased the electronic anti-theft function to bicycle.Meanwhile, this electromagnetism puzzle theft-proof lock also is provided with automatic warning function, when as long as there is a pair of unlock circuit wrong 16 contacts under the situation of illegally unblanking, that just will connect the warning circuit that is connected with the loudspeaker 22 that is positioned at lock body 2 right-hand member sides automatically, thereby make loudspeaker 22 send ear-piercing chimes of doom, can play the function of warning.
This electromagnetism puzzle theft-proof lock adopts battery as power supply, so must consider the water resistance of electronic circuit in the lock body 2.In order to improve water resistance, on the lid of battery case 21, install soft rubber packing additional, the flexible plastic enclosing cover of a waterproof is respectively installed at the two ends of lock cylinder 2.A key door 254 that maintenance is closed under locking state is arranged in the second channel 252 of keyhole 25, can guarantee to a great extent that also the electronic circuit of lock body 2 inside can not intake.In addition, each port of the internal wiring groove of lock body 2 and the inlet wire port of battery case 21 are all installed waterproof washer, the complete like this component that can guarantee can not make moist because of water inlet and short circuit, even therefore can use this electromagnetism puzzle theft-proof lock safely in the rainy day yet.
Because this electromagnetism puzzle theft-proof lock adopts frame for movement and electronic circuit structure combining, therefore unblank also to need to adopt the mode of machinery and electronics combination.Particularly, at first cipher wheel 29 is forwarded to 3 correct bit digital passwords, so that the breach on 3 torus of cipher wheel 29 aligns and forms a groove, and this groove just is transferred to an end of the latch 27 that faces band limit spring 26.Under the elastic force effect of limit spring 26, an end of latch 27 is retracted into groove, makes the other end also retreat thereupon, thereby has removed the support of key door 254 and key door 254 is opened, so key 3 just can successfully inject lock core.Be connected with the correct of conductive contact 28 of lock body 2 inside by the concave point on the key 3 then, can be so that the 24 complete conductings of the internal circuit of lock body 2, the triggering control circuit for electromagnet is started working, thereby the end 11 that locks of the shank of the key 1 that electromagnet fore shaft gib 23 is unclamped withheld finally can be realized the process of unblanking smoothly.
According to electromagnetism puzzle theft-proof lock of the present utility model owing to adopt the mode that frame for movement and electronic circuit are combined to provide the multiple protective measure to lockset, the thief is difficult to crack at short notice all safeguard measures of this lockset, has therefore greatly improved the theftproof performance of lockset; And this electromagnetism puzzle theft-proof lock is reasonable in design, and is simple in structure, easy to process, and production and the cost of safeguarding are very low, therefore is suitable for ordinary populace and uses; In addition, waterproofing design is adopted in many places in this electromagnetism puzzle theft-proof lock, can guarantee that lockset still can use safely in the rainy day, has effectively prolonged the application life of lockset.
More than disclosed only be preferred embodiment of the present utility model, can not limit rights protection scope of the present utility model with this certainly.Be appreciated that the equivalent variations of doing according to the utility model essence defined in the appended claims and scope, still belong to the scope that the utility model is contained.
Claims (7)
1. electromagnetism puzzle theft-proof lock, comprise shank of the key (1), lock body (2) and key (3), described shank of the key (1) is the U font, one end is to be provided with the end (11) that locks that the cross section is the groove of circular arc, the other end is to be provided with the free end that the cross section is the groove of rectangle (12), it is characterized in that described lock body (2) comprises and is arranged at the electromagnet fore shaft gib (23) that its inside upper part is used to block described shank of the key (1), be arranged at the internal circuit (24) of its middle inside, be arranged at the keyhole (25) of its interior side end, limit spring (26), latch (27), conductive contact (28) and be arranged at its outside and be used to support the cipher wheel (29) of described latch (27) with the corresponding end place of keyhole; The front portion of described key (3) is a rectangle, and afterbody is fan-shaped, and external surface is provided with and is used to the concave point that connects described internal circuit (24) and be complementary with described conductive contact (28) shape.
2. electromagnetism puzzle theft-proof lock according to claim 1 is characterized in that, described lock body also comprises the battery case (21) that is arranged at its outer upper, and the loudspeaker that is used to send chimes of doom (22) that is arranged at its inboard end side.
3. electromagnetism puzzle theft-proof lock according to claim 1, it is characterized in that described keyhole (25) comprises first passage (251), the second channel (252) that is provided with key door (254) third channel (253) identical with described first passage (253) sectional dimension with sectional dimension that sectional dimension and described key (3) sectional dimension are complementary.
4. electromagnetism puzzle theft-proof lock according to claim 1, it is characterized in that, described conductive contact (28) is the raised points of 16 interconnector random pairs, wherein a pair of described conductive contact (28) is connected with power circuit, and all the other all are connected with the warning circuit that is connected with described loudspeaker (22).
5. electromagnetism puzzle theft-proof lock according to claim 1 is characterized in that, the rubber packing that is used for waterproof is installed on the lid of described battery case (21).
6. electromagnetism puzzle theft-proof lock according to claim 1 is characterized in that, the two ends of described lock body (2) are equipped with the flexible plastic enclosing cover that is used for waterproof.
7. electromagnetism puzzle theft-proof lock according to claim 1 is characterized in that, the inlet wire port of the both port of origination of the internal wiring groove of described lock body (2) and described battery case (21) all is equipped with waterproof washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201449474U CN201420437Y (en) | 2009-03-06 | 2009-03-06 | Electromagnetic code anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201449474U CN201420437Y (en) | 2009-03-06 | 2009-03-06 | Electromagnetic code anti-theft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201420437Y true CN201420437Y (en) | 2010-03-10 |
Family
ID=41807090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201449474U Expired - Fee Related CN201420437Y (en) | 2009-03-06 | 2009-03-06 | Electromagnetic code anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201420437Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235113A (en) * | 2010-04-21 | 2011-11-09 | 昆山通用锁具有限公司 | Novel tactile coded lock |
| CN110318599A (en) * | 2019-07-04 | 2019-10-11 | 成都大汇智联科技有限公司 | A kind of lockset with identification function |
-
2009
- 2009-03-06 CN CN2009201449474U patent/CN201420437Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235113A (en) * | 2010-04-21 | 2011-11-09 | 昆山通用锁具有限公司 | Novel tactile coded lock |
| CN102235113B (en) * | 2010-04-21 | 2014-01-08 | 昆山通用锁具有限公司 | Novel tactile coded lock |
| CN110318599A (en) * | 2019-07-04 | 2019-10-11 | 成都大汇智联科技有限公司 | A kind of lockset with identification function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: XU XU XIN WEN Owner name: ZHONGSHAN ACADEMY, UNIVERSITY OF ELECTRONIC SCIENC Free format text: FORMER OWNER: LIU BAOJUN Effective date: 20100524 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Baojun Inventor after: Gu Xiaoqin Inventor after: Xu Jing Inventor after: Xin Wen Inventor before: Liu Baojun Inventor before: Xu Jing Inventor before: Xin Wen |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU BAOJUN XU XU XIN WEN TO: LIU BAOJUN GU XIAOQIN XU XU XIN WEN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100524 Address after: 528402 Department of science and technology, Zhongshan Institute of Electronic Science and technology, Xueyuan Road 1, Zhongshan, Guangdong Patentee after: Zhongshan College, Electronic Science &. Technology Univ. Address before: 528402 Department of science and technology, Zhongshan Institute of Electronic Science and technology, Xueyuan Road 1, Zhongshan, Guangdong Co-patentee before: Xu Jing Patentee before: Liu Baojun Co-patentee before: Xin Wen |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20110306 |