CN108231325A - A kind of rotary magnet - Google Patents
A kind of rotary magnet Download PDFInfo
- Publication number
- CN108231325A CN108231325A CN201711286046.4A CN201711286046A CN108231325A CN 108231325 A CN108231325 A CN 108231325A CN 201711286046 A CN201711286046 A CN 201711286046A CN 108231325 A CN108231325 A CN 108231325A
- Authority
- CN
- China
- Prior art keywords
- armature
- housing
- rotary magnet
- buting iron
- tooth
- Prior art date
- 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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/14—Pivoting armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/127—Assembling
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention relates to a kind of rotary magnets.Including housing and rolling assembling the shaft on housing, armature is installed in shaft, coil block is also equipped on housing, armature periphery is arranged with buting iron and buting iron is fixed relative to housing, spaced radial is correspondingly arranged on the periphery of armature and the inner circumferential of buting iron to set and in being mutually circumferentially staggered at the initial position of armature movement, external tooth form structure, rotary magnet further includes position limiting structure, position limiting structure is inserted into the tooth socket between the two neighboring tooth of internal tooth form structure, position limiting structure is by its both sides respectively on the left side that armature rotates, coordinate at limit on the right-right-hand limit position with the limiting of the tooth block of internal tooth form structure, rotary magnet further includes the elastic component for providing restoring force for armature when power is off.Buting iron of the present invention, there is no axial thrust load, therefore can avoid the problem that in traditional technology that armature and buting iron are pulled together and influence rotary magnet normal work to the suction of armature.
Description
Technical field
The present invention relates to a kind of rotary magnets.
Background technology
During many industrial productions, it is often necessary to which the motor rotated using finite angle either finite angle is revolved
The electromagnet turned（During industrial automatic sorting）.Domestic common rotary magnet mainly has two major class at present：It is a kind of
It is the rotary magnet of similar motor arrangement formula, permanent magnet is disposed in housing, by the circumferentially spaced cloth of stator armature winding
The teeth portion on stator is put, such as the rotating electromagnetic disclosed in the utility model patent that Authorization Notice No. is CN203910404U
Iron, the axial magnetic generated after energization by the radial magnetic field that the coil wound on stator generates with the permanent magnet in dynamic iron core
The superposition of field generates electromagnetic torque so as to achieve the purpose that drive shaft rotates.
Another kind of is the rotary magnet of similar energization solenoid arrangement formula, by stator coil along case inside circumferential direction ring
Around armature, buting iron and shaft are linked together by bearing, and buting iron is axially disposed in the both sides of armature, online after energization
Circle is internal to generate parallel magnetic field, which can magnetize by buting iron and positioned at the armature of coil inside, armature towards buting iron
Side on and armature be respectively provided with circumferentially spaced uniformly distributed multiple blades.Under original state, mover blade on armature with
Stator vane dislocation on buting iron is placed, and coil is powered, under the action of a magnetic force, the blade on blade and buting iron on armature
Attract each other, armature forced circumferentially to turn to mover blade first extreme position Chong Die with stator vane, it is corresponding this first
Extreme position, equipped with corresponding position limiting structure.After coil blackout, the magnetic field of coil inside disappears, the magnetic field of driving armature rotation
Power also disappears therewith, at this point, mover blade restores to original position under the reset response power of elastic component, i.e., is determined by corresponding position limiting structure
Second extreme position of position, which may be that the executive component connected in the shaft of rotary magnet reversely exports
Active force.For the rotary magnet of similar energization solenoid arrangement formula, to prevent shaft and armature axial float from bringing
Armature and buting iron the problem of being attracted, typically by the way that bearing and shaft are welded, countershaft and armature are realized using bearing
Axially position or the outside of two buting iron respectively in shaft positioning suit baffle ring, two baffle rings block corresponding with two buting iron
The axially position of countershaft and armature is realized in cooperation.And in real work, the block fit structure of baffle ring and shaft can exist
The situation of failure, the possibility of armature axial float when causing to be powered can make armature and buting iron be attracted and influence rotating electromagnetic
The normal work of iron；And welding is as special process, and control is got up relatively difficult, while can generate the situation of Planar Mechanisms, and
And solder joint failure can directly contribute armature and buting iron is attracted, and then can influence the normal work of rotary magnet.
Invention content
The purpose of the present invention is to provide a kind of rotary magnet, by solve armature and buting iron it is axial arranged in a manner of easily inhale
The technical issues of closing and influencing the normal work of rotary magnet.
To achieve the above object, rotary magnet of the invention adopts the following technical scheme that：
Technical solution 1：Rotary magnet includes housing and rolling assembling the shaft on housing, and armature, shell are installed in shaft
Coil block is also equipped on body, armature periphery is arranged with buting iron and buting iron is fixed relative to housing, the periphery of armature and buting iron
Inner circumferential on be correspondingly arranged on spaced radial and set and the inside and outside tooth form that is mutually circumferentially staggered at the initial position of armature movement
Structure, rotary magnet further include position limiting structure, and position limiting structure is inserted into the tooth socket between the two neighboring tooth of internal tooth form structure,
Position limiting structure is matched by the tooth block limiting of left and right extreme position and internal tooth form structure that its both sides rotates respectively in armature
It closes.
Technical solution 2：On the basis of technical solution 1, end cap is installed on the housing, end cap is equipped with the block
Portion.
Technical solution 3：It is additionally provided on the basis of technical solution 2, on end cap and coordinates with the internal tooth form structure block of buting iron
To realize the block machine circumferentially positioned to the end cap.
Technical solution 4：On the basis of technical solution 3, the shape of the block machine and adjacent the two of the internal tooth form structure
The slot form of between cog is consistent.
Technical solution 5：On the basis of technical solution 1-4 any one, the buting iron is made of one piece with housing, shell
The material of body is permeability magnetic material.
Technical solution 6：On the basis of technical solution 1-4 any one, the shaft is equipped with positioning step, and shaft is led to
Positioning step is crossed relative to housing axially position.
Technical solution 7：On the basis of technical solution 1-4 any one, outside each tooth of the inside and outside tooth-shape structure
The end face cambered surface identical for curvature.
Technical solution 8：On the basis of technical solution 2-4 any one, shaft by bearing rolling assembling on housing,
It is mounted in the inner cavity of end cap by the bearing of proximal cover side.
Advantageous effect：The present invention is located inside and outside tooth-shape structure same flat by the way that buting iron is set on the periphery of armature
In face, be not staggered in the axial direction, and the magnetic force formed after being staggered by the external tooth form structure of its internal tooth form structure and armature and
Armature is driven to drive shaft rotation, is limited after rotateing in place by position limiting structure block, when power-off is retracted initially by elastic component
Position, due to suction of the buting iron to armature, there is no axial thrust loads, and armature and buting iron in traditional technology can be avoided to be pull-in on
The problem of influencing rotary magnet normal work together.
Description of the drawings
Fig. 1 is that the master of the rotary magnet specific embodiment of the present invention cuts open schematic diagram；
Fig. 2 is armature and the shaft side figure of buting iron cooperation；
Fig. 3 is the A direction views of Fig. 2；
Fig. 4 is the structure diagram of the housing in Fig. 1；
Fig. 5 is the structure diagram of the rotor in Fig. 1；
Fig. 6 is the structure diagram of the upper end cover in Fig. 1；
In figure：1- housings, 2- upper end covers, 21- stop sections, 22- block machines, 3- bottom end covers, 4- rotors, 41- shafts, 42- armature,
421- external tooths, 422- tooth sockets, 5- bearings, 6- coil blocks, 7- buting iron, 71- internal tooths.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the rotary magnet of the present invention, as shown in Figure 1, including housing 1, upper end cover 2, bottom end cover 3, turning
Son 4, coil block 6 and buting iron 7.
As shown in figure 4, housing 1 is cylindrical shape, and the position close to one end is provided with interior umbo in the inside of housing 1
Structure, shell are made of permeability magnetic material, which is a part for housing 1, and interior male structure is equipped with circumferentially spaced
Internal tooth 71, interior male structure and internal tooth 71 collectively constitute the buting iron 7 being used cooperatively with armature 42.The peripheral surface of internal tooth 71 is cambered surface,
And the peripheral surface of internal tooth 71 is located on same periphery.
As shown in figure 5, rotor 4 include with step shaft 41, by step install bearing 5, and realize relative to
The axial block of housing 1 limits, and armature 42 is installed in shaft 41, and armature 42 is annular in shape, and periphery has multiple spaced
External tooth 421, is equipped with tooth socket 422 between the tooth and tooth of external tooth 421, armature 42 is set close to one end of shaft 41, and in armature 42
Both ends be respectively provided with one section of shaft 41, to install bearing 5.
As shown in fig. 6, upper end cover 2 includes the sealing plate that annular matrix is connected in annular matrix side, the opposite side of annular matrix
Side on it is axially extending have a stop section 21 and block machine 22, block machine 22 and stop section 21 be located at it is same diametrically, stop section 21
Size is smaller, for being inserted into tooth socket 422 shown in Fig. 2 and ensureing that tooth socket 422 is bigger than the size of stop section 21, in order to armature
42 can rotate in limited range.The shape ruler of groove between the shape and size of block machine 22 and the adjacent teeth and tooth of internal tooth 71
It is very little consistent, so as to realize positioning and fixation of the upper end cover 2 relative to housing 1 in the embedded groove.
During installation, as shown in Figure 1, 2, rotor 4 is rotatably installed in by bearing 5 in the inner cavity of housing 1, and rotor 4, which relies on, to be turned
The step of axis 41 realizes axial limiting, its armature 42 is located in the encirclement of buting iron 7, and the peripheral surface of internal tooth 71 after the positioning of rotor 4
Inner concave arc surface be adapted to the outer convex globoidal of the peripheral surface of external tooth 421, so as to fulfill with respect to no interference rotation.It is installed in housing 1
There is coil block 6, coil block 6 is set in the side of the separate upper end cover 2 in shaft 41 and positioned at armature 42, and close to armature
42 settings, the concrete structure of coil block 6 is the prior art, is no longer discussed in detail, but the master that coil block 6 generates after being powered
Want magnetic field that should be provide with armature 42 and buting iron 7, so as to by armature 42 and buting iron 7 magnetize so as to the two generate interaction force and
Band moving armature 42 rotates.Be additionally provided on rotor 4 torsional spring or spring when elastic components so as to when coil block 6 powers off be armature 42
The restoring force for returning back to initial position is provided.
During work, during initial position, as shown in figure 3, having week between the external tooth 421 of armature 42 and the internal tooth 71 of buting iron 7
To dislocation, when coil block 6 is powered, the magnetic line of force of generation is by armature 42 and buting iron 7, by the introduction by magnetic field of generation to interior
In gap between tooth 71 and external tooth 421, suction is generated between internal tooth 71 and external tooth 421, due between internal tooth 71 and external tooth 421
Have dislocation, therefore tangential component can be generated and external tooth 421 is driven to be moved towards internal tooth 71, i.e., armature 42 and shaft 41 generate torque
And rotate, it is stopped due to the block of the stop section 21 of upper end cover 2 when reaching the first extreme position；When power is off, magnetic field energy
Amount disappears, and shaft 41 rotates backward under the action of elastic component and returns back to initial position.
In other embodiments：No longer using buting iron as a part for housing, but an independent part is connected to shell
In vivo, housing does not need to use permeability magnetic material at this time, and it is permeability magnetic material only to need buting iron.
Claims (8)
1. rotary magnet, including housing and rolling assembling the shaft on housing, armature is installed in shaft, is also pacified on housing
Equipped with coil block, it is characterized in that, armature periphery is arranged with buting iron and buting iron is fixed relative to housing, the periphery of armature and buting iron
Inner circumferential on be correspondingly arranged on spaced radial and set and the inside and outside tooth form that is mutually circumferentially staggered at the initial position of armature movement
Structure, rotary magnet further include position limiting structure, and position limiting structure is inserted into the tooth socket between the two neighboring tooth of internal tooth form structure,
Position limiting structure is matched by the tooth block limiting of left and right extreme position and internal tooth form structure that its both sides rotates respectively in armature
It closes.
2. rotary magnet according to claim 1, it is characterized in that, end cap is installed, end cap is equipped on the housing
The stop section.
3. rotary magnet according to claim 2, it is characterized in that, it is additionally provided on end cap and is kept off with the internal tooth form structure of buting iron
Only coordinate to realize the block machine circumferentially positioned to the end cap.
4. rotary magnet according to claim 3, it is characterized in that, the shape of the block machine and the internal tooth form structure
The slot form of adjacent two between cog is consistent.
5. rotary magnet according to any one of claims 1-4, it is characterized in that, the buting iron is integrally formed with housing
It forms, the material of housing is permeability magnetic material.
6. rotary magnet according to any one of claims 1-4, it is characterized in that, the shaft is equipped with positioning table
Rank, shaft is by positioning step relative to housing axially position.
7. rotary magnet according to any one of claims 1-4, it is characterized in that, the inside and outside tooth-shape structure it is each
The outer end face of a tooth cambered surface identical for curvature.
8. according to the rotary magnet described in claim 2-4 any one, it is characterized in that, shaft is existed by bearing rolling assembling
On housing, it is mounted in the inner cavity of end cap by the bearing of proximal cover side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286046.4A CN108231325B (en) | 2017-12-07 | 2017-12-07 | Rotary electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286046.4A CN108231325B (en) | 2017-12-07 | 2017-12-07 | Rotary electromagnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108231325A true CN108231325A (en) | 2018-06-29 |
| CN108231325B CN108231325B (en) | 2020-04-28 |
Family
ID=62653894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711286046.4A Active CN108231325B (en) | 2017-12-07 | 2017-12-07 | Rotary electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108231325B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354597A (en) * | 2018-12-20 | 2020-06-30 | Abb瑞士股份有限公司 | Actuator for medium voltage circuit breaker |
| CN114256471A (en) * | 2021-11-26 | 2022-03-29 | 上海机电工程研究所 | Force accumulation critical activation mechanism |
| CN115234095A (en) * | 2022-07-21 | 2022-10-25 | 康威通信技术股份有限公司 | Rotary motion transmission mechanism, well lid lock and well lid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4409503A1 (en) * | 1993-03-23 | 1994-09-29 | Kuhnke Gmbh Kg H | Electromagnetic device |
| JP2008166347A (en) * | 2006-12-27 | 2008-07-17 | Hamanako Denso Co Ltd | Rotary solenoid |
| US20130229080A1 (en) * | 2012-03-04 | 2013-09-05 | Arnold Jones | Rotary Continuous Permanent Magnet Motor |
| CN203910411U (en) * | 2014-06-27 | 2014-10-29 | 宁波丰欣电磁科技有限公司 | Electromagnet with limiting function |
| CN204164092U (en) * | 2014-08-28 | 2015-02-18 | 杨健勃 | Rotary connection unit and modularization robot monomer |
-
2017
- 2017-12-07 CN CN201711286046.4A patent/CN108231325B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4409503A1 (en) * | 1993-03-23 | 1994-09-29 | Kuhnke Gmbh Kg H | Electromagnetic device |
| JP2008166347A (en) * | 2006-12-27 | 2008-07-17 | Hamanako Denso Co Ltd | Rotary solenoid |
| US20130229080A1 (en) * | 2012-03-04 | 2013-09-05 | Arnold Jones | Rotary Continuous Permanent Magnet Motor |
| CN203910411U (en) * | 2014-06-27 | 2014-10-29 | 宁波丰欣电磁科技有限公司 | Electromagnet with limiting function |
| CN204164092U (en) * | 2014-08-28 | 2015-02-18 | 杨健勃 | Rotary connection unit and modularization robot monomer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354597A (en) * | 2018-12-20 | 2020-06-30 | Abb瑞士股份有限公司 | Actuator for medium voltage circuit breaker |
| CN111354597B (en) * | 2018-12-20 | 2022-03-15 | Abb瑞士股份有限公司 | Actuator for medium voltage circuit breaker |
| CN114256471A (en) * | 2021-11-26 | 2022-03-29 | 上海机电工程研究所 | Force accumulation critical activation mechanism |
| CN114256471B (en) * | 2021-11-26 | 2024-04-05 | 上海机电工程研究所 | Force accumulation critical activation mechanism |
| CN115234095A (en) * | 2022-07-21 | 2022-10-25 | 康威通信技术股份有限公司 | Rotary motion transmission mechanism, well lid lock and well lid |
| CN115234095B (en) * | 2022-07-21 | 2023-12-05 | 康威通信技术股份有限公司 | Rotary motion transmission mechanism, well lid lock and well lid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108231325B (en) | 2020-04-28 |
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