CN202467374U - Full-automatic permanent magnet door lock without mechanical link - Google Patents
Full-automatic permanent magnet door lock without mechanical link Download PDFInfo
- Publication number
- CN202467374U CN202467374U CN2012200618689U CN201220061868U CN202467374U CN 202467374 U CN202467374 U CN 202467374U CN 2012200618689 U CN2012200618689 U CN 2012200618689U CN 201220061868 U CN201220061868 U CN 201220061868U CN 202467374 U CN202467374 U CN 202467374U
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- Prior art keywords
- magnet
- door lock
- permanent
- reversible
- main magnet
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Abstract
The utility model relates to a switch door lock suitable for an electric control cabinet, a fire control cabinet and high/low pressure power cabinets, and in particular relates to a full-automatic permanent magnet door lock without a mechanical link. The full-automatic permanent magnet door lock comprises a permanent magnet door lock movable side mounted on a cabinet door and a permanent magnet door lock fixed side mounted in the cabinet and near the edge of the door, wherein the permanent magnet door lock comprises a first main magnet, a second main magnet, a reversible magnet and an magnet exciting coil; the reversible magnet is embedded between a pole shank and a magnet yoke; the magnet exciting coil is arranged on the reversible magnet; when the magnet exciting coil is excited positively, the direction of polarity of the reversible magnet is changed, and at the moment, the main magnets and the reversible magnets all have a magnetic flux flowing therethrough so that the lock can be closed up, and the permanent magnet door lock is in a magnetized state; besides, when the magnet exciting coil is excited negatively, the direction of polarity of the reversible magnet is just opposite, only one of the magnetic fluxes of the first magnet and the second main magnet is closed in loop, and no magnetic flux flows through the lock; therefore, the lock is in a non-magnetic state and the permanent magnet door lock is in a demagnetized state.
Description
Technical field
The utility model relates to the switch door lock mechanism that is applicable to electrical control cabinet, Fire Control Cabinet, high-low pressure power cabinet, relates in particular to a kind of full automatic permanent door lock that does not have mechanical connecting rod.
Background technology
The door latch structure of regulator cubicle all is a mechanical type at present, and its lock body part more complicated adopts kinematic link, spring etc., and it is synthetic mainly to utilize lever principle to make, and mainly contains following defective:
In case 1 door lock is locking normally, must adopt integral replacing to handle, increased maintenance cost.
2, do not return the geometry of rule to change because the mechanical door lock connecting rod all is, after using a period of time, the door lock link stress deformation causes in mutual interference or the pull bar distortion back motion and interferes with cabinet door edge, causes door lock not opened.
3, because the door lock mechanism extension spring comes off, cause door lock to open.
4, because keyhole is the force of using in the lever principle, and this power is relatively big, causes keyhole dislocation or fracture, thereby can't the normal switch door.
The utility model content
For solving the problems of the technologies described above, the purpose of the utility model provides and a kind of increased in the life-span of lockset greatly, and the door lock of electrical control cubicles can keep the full automatic permanent door lock of the nothing machinery connecting rod of excellent sealing performance when closure.
The full automatic permanent door lock of the nothing machinery connecting rod of the utility model; Comprise the permanent magnetism door lock active side and the interior permanent magnetism door lock fixation side near the door edge of installation cabinet that are installed on the cabinet door, said permanent magnetism door lock comprises the first main magnet, the second main magnet, reversible magnetic body and magnet exciting coil, and reversible magnetic body is embedded between pole piece and the yoke; Reversible magnetic body is provided with magnet exciting coil; After magnet exciting coil received positive incentive, the polar orientation of reversible magnetic body changed, and this moment, main magnet and reversible magnetic body all had the magnetic flux flow mistake; Can the adhesive lockset, the permanent magnetism door lock is in the state of magnetizing; After magnet exciting coil received negative incentive, the polar orientation of reversible magnetic body was just opposite, and the magnetic flux of the first main magnet and the second main magnet has only a closed loop, and lockset does not have magnetic flux to be passed through, thereby lockset is in no magnetic force state, and the permanent magnetism door lock is in demagnetized state.
The full automatic permanent door lock of the nothing machinery connecting rod of the utility model, said reversible magnetic body constitutes with the aluminium nickel cobalt material of medium stupid power.
The full automatic permanent door lock of the nothing of the utility model machinery connecting rod, the said first main magnet, the second main magnet are that the permanent-magnet material by high-coercive force constitutes.
The full automatic permanent door lock of the nothing machinery connecting rod of the utility model, the said first main magnet, the second main magnet are embedded between pole piece and the yoke.
Compared with prior art, the beneficial effect of the utility model is:
1. because the efficient of permanent magnet is very high, therefore reach the locking power of traditional mechanical connecting rod lockset of the same type, its volume is very little, probably is 1/3 of normal lockset, therefore can save the materials of lockset.
2. Permanent-magnet lock set has been cancelled mechanical linkage, bring great convenience for the making of cabinet door, and dissimilar cabinet doors can adopt with a kind of Permanent-magnet lock set.
3. the keyhole of Permanent-magnet lock set is not the stress point of lever principle, and therefore, the spoilage of key reduces greatly.
4. the major part of Permanent-magnet lock set is installed in cabinet door edge, and it is very little to take up room, and dismounting is very convenient, and is convenient more compared with original mechanical linkage.
5. sealing improves greatly and since during permanent magnetism door lock locking contact surface no longer be mechanical linkage a bit or 2 points, but plane, thus sealing effectiveness improves greatly, even the IP grade can improve a class.
6. the life-span of lockset can be improved 5-10 doubly, no longer includes problems such as occurring switch inconvenience after the mechanical wear.
7. because the lockset separated into two parts, no longer connect through mechanical linkage, even humid environment causes burning, gets rusty etc., can also the normal switch door.
Permanent-magnet material is a crucial branch in the magnetic material, after magnetizing, can set up a constant magnetostatic field with the permanent magnet that permanent-magnet material is processed at its surrounding space.This product adopts the permanent magnetism door lock, does not need to revise for the lockset of Any shape and size, and need not mechanical linkage, just can directly be clamped on the cabinet door fixation side, even lockset obviously is to design according to different quality control standards.Through using the electric control permanent magnet switch door lock, just can realize the normal switch door.Promptly utilize the different qualities of different permanent-magnet materials, the distribution of inner magnetic circuit is controlled and changed, make permanent magnetic field, externally be characterized by demagnetization, i.e. the lockset open mode in internal system self balance through electric-control system; Or externally be characterized by and magnetize, be i.e. lockset closed condition.
Description of drawings
Fig. 1 is the front view of the utility model full automatic permanent door lock;
Fig. 2 is the lateral view of the utility model full automatic permanent door lock.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
As depicted in figs. 1 and 2; A kind of full automatic permanent door lock that does not have mechanical connecting rod; Comprise the permanent magnetism door lock active side that is installed on the cabinet door 2 and the permanent magnetism door lock fixation side 8 of installing in the cabinet near door edge 6, permanent magnetism door lock 8 comprises the main magnet of the first main magnet 7, second 11, reversible magnetic body 9 and magnet exciting coil 10, and reversible magnetic body 9 is embedded between pole piece and the yoke; Reversible magnetic body 9 is provided with magnet exciting coil 10, and the aluminium nickel cobalt material of the medium stupid power of reversible magnetic body 9 usefulness constitutes.
First main magnet 7, the second main magnet 11 is by permanent-magnet material (like the neodymium iron boron) formation of high-coercive force, is embedded between pole piece and the yoke.
The full automatic permanent door lock is divided into two parts, and promptly a part is the active side of permanent magnetism door lock, be installed on the cabinet door, and similar traditional mechanical door lock, wherein keyhole is used for carrying out the switch gate control, but what connect then is electric-control system, does not therefore have too great machinery firmly; A part is the fixation side of permanent magnetism door lock in addition, installs in the cabinet near the door edge.
The full automatic permanent door lock is installed on the cabinet door through first set bolt 3, second set bolt 5, and wherein the key part is not born the stressed of lever principle, and the break-make of electric control circuit always, promptly opens the door or closes the door action.
After magnet exciting coil 10 receives positive incentive (being that keyhole 1 is in when closing the door the position), the polar orientation of reversible magnetic body 9 changes, and this moment, main magnet and reversible magnetic body 9 all had the magnetic flux flow mistake, can the adhesive lockset, and the permanent magnetism door lock is in the state of magnetizing;
After magnet exciting coil 10 receives negative incentive when being in opening position (be keyhole 1); The polar orientation of reversible magnetic body 9 is just opposite; Then the magnetic flux of the first main magnet 7 and the second main magnet 11 has only a closed loop; Lockset does not have magnetic flux to be passed through, thereby lockset is in no magnetic force state, and the permanent magnetism door lock is a demagnetized state.
All actions of opening the door or closing the door all realize magnetizing or demagnetizing in 1s, and magnet exciting coil 10 no longer includes electric current and passes through after action, and therefore, the efficient of this permanent magnetism door lock is very high, and reliability is very good.
During concrete the use, the utility model is used in the electrical control cubicles of many dust occasion, and the permanent magnetism door lock can improve the sealing performance and the IP grade of electrical control cubicles greatly, and the switch door is convenient.
Perhaps be used in the electrical control cubicles of wet environment, though cabinet pupil rust, do not have mechanical connecting rod after, the switch door no longer includes trouble and worry.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and modification, these improvement and modification also should be regarded as the protection domain of the utility model.
Claims (4)
1. full automatic permanent door lock that does not have mechanical connecting rod; Comprise the permanent magnetism door lock active side and the interior permanent magnetism door lock fixation side of installation cabinet that are installed on the cabinet door near the door edge; It is characterized in that: said permanent magnetism door lock comprises the first main magnet, the second main magnet, reversible magnetic body and magnet exciting coil, and reversible magnetic body is embedded between pole piece and the yoke, and reversible magnetic body is provided with magnet exciting coil; After magnet exciting coil receives positive incentive; The polar orientation of reversible magnetic body changes, and this moment, main magnet and reversible magnetic body all had the magnetic flux flow mistake, and the permanent magnetism door lock is in the state of magnetizing; After magnet exciting coil receives negative incentive, the opposite polarity directions of reversible magnetic body, the magnetic flux of the first main magnet and the second main magnet has only a closed loop, and lockset does not have magnetic flux to be passed through, and the permanent magnetism door lock is in demagnetized state.
2. the full automatic permanent door lock of no mechanical connecting rod according to claim 1 is characterized in that: said reversible magnetic body constitutes with the aluminium nickel cobalt material of medium stupid power.
3. the full automatic permanent door lock of no mechanical connecting rod according to claim 1 is characterized in that: the said first main magnet, the second main magnet are that the permanent-magnet material by high-coercive force constitutes.
4. the full automatic permanent door lock of no mechanical connecting rod according to claim 3, it is characterized in that: the said first main magnet, the second main magnet are embedded between pole piece and the yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200618689U CN202467374U (en) | 2012-02-24 | 2012-02-24 | Full-automatic permanent magnet door lock without mechanical link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200618689U CN202467374U (en) | 2012-02-24 | 2012-02-24 | Full-automatic permanent magnet door lock without mechanical link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467374U true CN202467374U (en) | 2012-10-03 |
Family
ID=46915540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200618689U Expired - Fee Related CN202467374U (en) | 2012-02-24 | 2012-02-24 | Full-automatic permanent magnet door lock without mechanical link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202467374U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276984A (en) * | 2013-04-25 | 2013-09-04 | 苏州市启华机电设备有限公司 | Door lock for electrical cabinet |
| CN106696843A (en) * | 2015-07-24 | 2017-05-24 | 比亚迪股份有限公司 | Vehicle-mounted tablet computer component and vehicle with same |
| CN107514184A (en) * | 2016-06-17 | 2017-12-26 | 中国科学院宁波材料技术与工程研究所 | Dumbbell shape electricity permanent magnetism locking device |
| CN109339580A (en) * | 2018-09-29 | 2019-02-15 | 株洲悍威磁电科技有限公司 | A kind of electricity Permanent-magnet lock set and its unlock and locking medium |
-
2012
- 2012-02-24 CN CN2012200618689U patent/CN202467374U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276984A (en) * | 2013-04-25 | 2013-09-04 | 苏州市启华机电设备有限公司 | Door lock for electrical cabinet |
| CN106696843A (en) * | 2015-07-24 | 2017-05-24 | 比亚迪股份有限公司 | Vehicle-mounted tablet computer component and vehicle with same |
| CN106696843B (en) * | 2015-07-24 | 2020-06-19 | 比亚迪股份有限公司 | Vehicle-mounted tablet computer assembly and vehicle with same |
| CN107514184A (en) * | 2016-06-17 | 2017-12-26 | 中国科学院宁波材料技术与工程研究所 | Dumbbell shape electricity permanent magnetism locking device |
| CN109339580A (en) * | 2018-09-29 | 2019-02-15 | 株洲悍威磁电科技有限公司 | A kind of electricity Permanent-magnet lock set and its unlock and locking medium |
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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: 20121003 Termination date: 20130224 |