CN2782866Y - Magnetic lock - Google Patents
Magnetic lock Download PDFInfo
- Publication number
- CN2782866Y CN2782866Y CN 200520089105 CN200520089105U CN2782866Y CN 2782866 Y CN2782866 Y CN 2782866Y CN 200520089105 CN200520089105 CN 200520089105 CN 200520089105 U CN200520089105 U CN 200520089105U CN 2782866 Y CN2782866 Y CN 2782866Y
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- CN
- China
- Prior art keywords
- permanent magnet
- electromagnet
- magnetic
- frame
- fan
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- 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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Abstract
The utility model relates to a magnetic lock which has a frame and a fan which is matched with the frame, wherein the frame and the fan are respectively provided with a permanent magnet and an electromagnet, and the iron core end part of the electromagnet corresponds to the magnetic pole of the permanent magnet. By using the attraction and the combination of the permanent magnet to an iron core of the electromagnet, the frame and the fan are locked, and electronic energy is not used. The electromagnet is energized in a brief way, the magnetic field direction of the electromagnet is opposite to the magnetic field direction of the permanent magnet, and repulsive force is generated to relieve the locking state of magnetic force. The magnetic pole end of the permanent magnet had better be connected with an iron extension block, and the iron core end part of the electromagnet and the iron extension block of the magnetic pole end of the permanent magnet are correspondingly attracted. Te permanent magnet or the magnetic pole end is connected with the iron extension block and is connected loosely with the frame or the fan, or the permanent magnet or the magnetic pole end is connected with the iron extension block, and a soft pad or an elastic pad is clamped between the permanent magnet or the magnetic pole end and the frame or the fan to assure the sufficient contact between attraction pieces and enhance attraction force.
Description
Technical field: magnetic padlock is arranged between frame and the fan, by permanent magnetism power adhesive locking frame and fan, and the lock of opening by the electromagnetism magnetic force opposite with the permanent magnetic field direction.
Background technology: the fan that existing magnetic padlock has frame and cooperates with frame, frame and fan are respectively equipped with armature and electromagnet.When the electromagnet energising produces magnetic force with the armature adhesive, with frame and fan locking.When the electromagnet outage loses magnetic force, will remove locking states not to the armature adhesive, just can opening door-leaf.But this magnetic padlock will be switched at frame and fan locking states always, and energy consumption is bigger, and in case locking states is just removed in improper outage, can not guarantee safety.Long-term energising adhesive, iron core or armature are magnetized easily, and after locking states was removed in outage, the suction of the opposing residual magnetism of also will requiring great effort could opening door-leaf.Because the adhesive part is fixing with frame and fan respectively, because mounting technique and the distortion of use in the future, can not keep absolute parallel between the adhesive face, so contact adhesive between the adhesive part often, cause the suction-combining force of design to reduce.
Summary of the invention:
The present invention solves not have technical problem and the bigger problem of existing magnetic padlock energy consumption that electricity just can not locking, further solve the problem that adhesive face can not fully contact between the adhesive part, a kind of locking states not consuming electric power is provided, the use energy consumption is smaller, be convenient to control the magnetic padlock of use, the magnetic padlock that adhesive face can fully contact between a kind of adhesive part further is provided.
Magnetic padlock of the present invention is characterized in that: the permanent magnet and the electromagnet that are located at frame and fan are respectively arranged, and the pole pair that the core ends magnetic pole of electromagnet is identical with permanent magnet should.So just can utilize the adhesive of permanent magnet to the iron core of electromagnet, locking frame and fan, and can be under cold condition, the state that keeps Locked fully can not consuming electric power.Only when needs are removed locking states, brief switches on electromagnet, make the magnetic pole and the corresponding permanent magnet magnetic pole same sex of the opposite electromagnet in other words conj.or perhaps of magnetic direction energising back iron core end of magnetic direction and permanent magnet of the electromagnet of energising, produce repulsive force and remove the magnetic force locking states, just fan can be separated with frame, when repulsive force is bigger, fan and frame can also be flicked.For the intensity and adhesive area or the guiding magnetic circuit that increase the adhesive part, the permanent magnet magnetic pole preferably is connected with the iron extension block, and the core ends magnetic pole of electromagnet is corresponding with the iron extension block of permanent magnet magnetic pole.The mutual adhesive locking of electromagnetic core and iron extension block like this, the extension block adhesive structure that iron or steel or other ferroalloys constitute has more increased the intensity and the anti-destructive of the structure of locking.In order further to increase the contact of adhesive fully between the adhesive part, the iron extension block that permanent magnet or its magnetic pole are connected with relaxes with frame or fan and is connected, can lean on lax permanent magnet or its magnetic pole to be connected with the iron extension block like this adjusts automatically, keep fully contacting adhesive, guaranteed tight adhesive and stronger the suction-combining force with the iron core end; Can also permanent magnet or the iron extension block that is connected with of its magnetic pole and frame or fan between accompany cushion or cushion, pressured cushion or the cushion of contracting adjusted automatically, guarantees the abundant contact between the adhesive part, strengthens the suction-combining force.In order to replenish the magnetic force of permanent magnet normally impaire, the electromagnet power supply input has the commutation changeover switch, can electromagnet be switched in the other direction by the commutation changeover switch, make the magnetic direction of electromagnet identical with the magnetic field of permanent magnet or close, to replenish the magnetic force of permanent magnet.When preventing that fan and frame are closed, the iron extension block of iron core and permanent magnet or permanent magnet produces excessive bump, also can by triggering step-down or current limiting switch electromagnet be switched in fan and frame closed moment, electromagnet step-down energising produces the buffering electromagnetic force opposite with the locking direction.The loop that step-down that the electromagnet power supply input is parallel with or current limiting device are connected with the trigger switch between frame and the fan.
Magnetic padlock of the present invention compared with the prior art, having does not need the electric power just can locking, and the use power consumption significantly reduces, and has reached the effect of electricity saving and energy saving; The locking states of magnetic padlock is more reliable and secure; Further improve fully contact adhesive between the locking adhesive part, increased the intensity of locking, further improved the reliable and secure property of locking, can also replenish the magnetic force of permanent magnet loss and the impact that buffering is closed at any time.
Description of drawings: accompanying drawing has been represented a kind of magnetic padlock structural representation that is contained in security door of the present invention, wherein Fig. 1 is contained in the schematic diagram of security door for this magnetic padlock, Fig. 2 is the magnetic padlock position partial sectional view that this magnetic padlock is contained in security door, and Fig. 3 is contained in the local A-A view in magnetic padlock position of security door for this magnetic padlock.Example below in conjunction with accompanying drawing further specifies.
Specific embodiment: this security door magnetic padlock 1 of the present invention is to be contained in doorframe 2 and to cooperate with doorframe and by the hinged door leaf 3 of hinge 4, just doorframe and door leaf are respectively equipped with permanent magnet and electromagnet.The fixed-site that doorframe 2 is relative with door leaf limit portion permanent magnet 8, and permanent magnet one end magnetic pole is connected with a block plate and is connected with a block plate 7,9 respectively as iron extension block 7,9 as iron extension block 9 or permanent magnet two ends magnetic pole.Iron extension block 7,9 and doorframe 2 are connected by screw, and the connection hole of screw and iron extension block can further increase the contact of adhesive fully between the adhesive part in lax contact condition; Accompany rubber pad between iron extension block 7,9 that permanent magnet and magnetic pole thereof are connected with and the doorframe 2, the elasticity of rubber is adjusted automatically, guarantees the abundant contact between the adhesive part, strengthens the suction-combining force.Door leaf 3 is provided with electromagnet 5 with permanent magnet and iron extension block correspondence position.The core ends 6 of electromagnet should with the permanent magnet pole pair, the N utmost point one end that can be iron core is relative with permanent magnet N magnetic pole and iron extension block, also can be that the N of iron core is extreme, S is relative with permanent magnet N magnetic pole and iron extension block, S magnetic pole and iron extension block extremely respectively.Do not have at electromagnet under the situation of energising, closed doorframe and door leaf just can utilize the adhesive of permanent magnet to the core ends 6 of electromagnet, the antitheft door leaf of locking, not power consumption fully.When needs are removed locking states, electromagnet 5 is connected power supply, the magnetic pole and the corresponding permanent magnet magnetic pole same sex of the electromagnet of energising, magnetic direction is opposite with the magnetic direction of permanent magnet, produce repulsive force and remove the magnetic force locking states, at this moment just door leaf can be opened, when repulsive force is bigger, door leaf can also be automatically springed open.The electromagnet power supply input has the commutation changeover switch, can electromagnet be switched in the other direction by the commutation changeover switch, makes the magnetic direction of electromagnet identical with the magnetic field of permanent magnet or close, to replenish the magnetic force of permanent magnet.When preventing that fan and frame are closed, the iron extension block of iron core and permanent magnet and permanent magnet produces excessive bump, and the electromagnet input is associated with step-down or current limiting device with frame with the loop of connecting of the trigger switch between fanning.Like this can be in fan and frame closed moment, by trigger switch with electromagnet step-down or current limliting energising.The more weak magnetic force that electromagnet produces cushions the permanent magnet the suction-combining force electromagnetic core is impacted suction.
Claims (5)
1, a kind of magnetic padlock is characterized in that: the permanent magnet and the electromagnet that are located at frame and fan are respectively arranged, and the pole pair that the core ends magnetic pole of electromagnet is identical with permanent magnet should.
2, as the said magnetic padlock of claim 1, it is characterized in that: the permanent magnet magnetic pole is connected with the iron extension block, and the core ends magnetic pole of electromagnet is corresponding with the iron extension block of permanent magnet magnetic pole.
3, as the said magnetic padlock of claim 1, it is characterized in that: the iron extension block that permanent magnet or its magnetic pole are connected with relaxes with frame or fan and is connected, and accompanies cushion or cushion between iron extension block that permanent magnet or its magnetic pole are connected with and frame or the fan.
4, as claim 1 or 2 or 3 said magnetic padlocks, it is characterized in that: the electromagnet power supply input has the commutation changeover switch.
5, as claim 1 or 2 or 3 said magnetic padlocks, it is characterized in that: the trigger switch between step-down that the electromagnet input has or current limiting device and frame and the fan is connected into the loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089105 CN2782866Y (en) | 2005-01-25 | 2005-01-25 | Magnetic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089105 CN2782866Y (en) | 2005-01-25 | 2005-01-25 | Magnetic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2782866Y true CN2782866Y (en) | 2006-05-24 |
Family
ID=36767853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520089105 Expired - Fee Related CN2782866Y (en) | 2005-01-25 | 2005-01-25 | Magnetic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2782866Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345419A (en) * | 2011-07-15 | 2012-02-08 | 广东名门锁业有限公司 | Magnetic lock |
| CN103327868A (en) * | 2010-12-08 | 2013-09-25 | 耶尔·史密斯 | Surface treating machine |
| CN103462388A (en) * | 2013-09-22 | 2013-12-25 | 马晓璐 | Power-failure-preventing storage box |
| CN104724303A (en) * | 2015-01-23 | 2015-06-24 | 北京卫星环境工程研究所 | Cuboid satellite orbit deployer |
| CN108312919A (en) * | 2018-03-14 | 2018-07-24 | 浙江耀欧汽车零部件有限公司 | A kind of general automobile backrest right plate |
| CN110284769A (en) * | 2019-07-23 | 2019-09-27 | 移康智能科技（上海）股份有限公司 | The method that full-automatic lock body reduces lock tongue and doorframe friction |
| CN111270911A (en) * | 2020-01-22 | 2020-06-12 | 广东快车科技股份有限公司 | Credit granting method and credit granting system for magnetic lock |
-
2005
- 2005-01-25 CN CN 200520089105 patent/CN2782866Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327868A (en) * | 2010-12-08 | 2013-09-25 | 耶尔·史密斯 | Surface treating machine |
| CN102345419A (en) * | 2011-07-15 | 2012-02-08 | 广东名门锁业有限公司 | Magnetic lock |
| CN102345419B (en) * | 2011-07-15 | 2013-07-17 | 广东名门锁业有限公司 | Magnetic lock |
| CN103462388A (en) * | 2013-09-22 | 2013-12-25 | 马晓璐 | Power-failure-preventing storage box |
| CN104724303A (en) * | 2015-01-23 | 2015-06-24 | 北京卫星环境工程研究所 | Cuboid satellite orbit deployer |
| CN108312919A (en) * | 2018-03-14 | 2018-07-24 | 浙江耀欧汽车零部件有限公司 | A kind of general automobile backrest right plate |
| CN110284769A (en) * | 2019-07-23 | 2019-09-27 | 移康智能科技（上海）股份有限公司 | The method that full-automatic lock body reduces lock tongue and doorframe friction |
| CN111270911A (en) * | 2020-01-22 | 2020-06-12 | 广东快车科技股份有限公司 | Credit granting method and credit granting system for magnetic lock |
| CN111270911B (en) * | 2020-01-22 | 2021-09-21 | 广东快车科技股份有限公司 | Credit granting method and credit granting system for magnetic 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: 20060524 Termination date: 20100225 |