CN2822021Y - Anti-high temperature magneteic driving device - Google Patents
Anti-high temperature magneteic driving device Download PDFInfo
- Publication number
- CN2822021Y CN2822021Y CN 200520074405 CN200520074405U CN2822021Y CN 2822021 Y CN2822021 Y CN 2822021Y CN 200520074405 CN200520074405 CN 200520074405 CN 200520074405 U CN200520074405 U CN 200520074405U CN 2822021 Y CN2822021 Y CN 2822021Y
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- China
- Prior art keywords
- rotor body
- permanent magnet
- internal rotor
- soft magnetic
- magnetic
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- Expired - Lifetime
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Abstract
The utility model relates to a driving device, particularly a magnetic driving device which comprises a cylindrical outer rotor body (1) fixedly provided with permanent magnets on the inner wall, an isolating sleeve (2) or plate and an inner rotor body (3), wherein a plurality of permanent magnet rows (4) in axial arrangement are arranged on the inner wall of the outer rotor body (1) along a circumferential direction, flexible magnetic body strips (5) corresponding to the permanent magnet rows (4) are arranged on the cylindrical face of the inner rotor body (3) along the same circumferential direction, the flexible magnetic body strips (5) extend out of the cylindrical face of the inner rotor body (3) to form a convex-rib shape, a magnetic conductor closing to the side of an axle center are all arranged between the adjacent flexible magnet strips (5), and the magnetic conductors are connected with each other to form a flux path, and the permanent magnet rows (4) and the flexible magnet strips (5) are evenly distributed along the circumferential direction. Because the cylindrical face of the inner rotor body (3) are provided with the flexible magnet strips (5) without permanent magnets, the temperature rise of the inner rotor body (3) can not reduce magnetic performances and reduce coupling force, therefore the utility model is suitable for working in high-temperature environment, and is a magnetic driving device with high-temperature resistance.
Description
Technical field
The utility model relates to a kind of transmission device, more particularly is exactly magnetic drive device.
Background technology
Since the magnetic drives technological invention, magnetic drive is because it is converted into static seal with traditional movable sealing mode, therefore can reach very high sealing, can be applied to multiplely has the harsh occasion that requires to reaction condition: as high pressure, condition of high vacuum degree and there is not the reaction of leakage.Magnetic drive device can be divided into two classes, cylindrical and face type.It is the interior magnet steel rotor assembly that permanent magnet and internal rotor body are formed that the structure of cylindrical all comprises an interior magnet steel that is roughly cylindricality usually, one covers on the outer steel rotor assembly that the tubular external rotor body that is fixed with permanent magnet on wherein the inwall that is the back-off cup-shaped is formed with interior magnet steel rotor assembly, between outer steel rotor assembly and interior magnet steel rotor assembly, be provided with and be the back-off cup-shaped equally substantially, the cage that non-magnetizer is made, driven shaft (as a shaft) end is fixedly connected on the interior magnet steel rotor assembly, the outer steel rotor assembly is connected by the axle sleeve on it on output shaft of drive units such as motor, the annular sealing surface of cage is withheld on the flange of reactor or retort the reactor inner chamber and the external world is isolated fully, and power is magnet steel rotor and driven shaft in magnetic coupling reaches; The external rotor body of face type and internal rotor body have a rotation circular end surface that is oppositely arranged, and relatively along circumference permanent magnet is set on two end faces, and polarity are opposite, between the internal-external magnetic steel rotor assembly by magnetic force coupling transferring power.For health and corrosion resistant consideration; internal rotor and driven mixing component can adopt stainless steel and other metal materials to make usually; when temperature in the operating room is very high; can conduct to internal rotor through metalwork raises the permanent magnet temperature on it; cause magnetic to descend; bonding force reduces, when serious even cause and can't normally move.
Summary of the invention
The purpose of this utility model be for overcome prior art not enough provide a kind of can be in the higher temperatures operational environment the high temperature resistant magnetic drive device of operate as normal.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of thermostable magnetic transmission apparatus, comprise by the tubular external rotor body that is fixed with permanent magnet on the inwall, separation sleeve and internal rotor body, it is characterized in that: described external rotor body inwall upper edge is circumferentially with the permanent magnet row that some row axially are provided with, the position corresponding with the permanent magnet row is provided with soft magnetic bodies bar equally vertically on the described internal rotor scapus face, described soft magnetic bodies bar protrudes in internal rotor scapus face and becomes the convex tendon shape, be equipped with magnetic conductor near center axis between the described adjacent soft magnetic bodies bar and be interconnected to constitute flux path, described permanent magnet row and soft magnetic bodies bar are along circumferentially evenly distributing.
Be provided with as another kind of the present utility model: a kind of thermostable magnetic transmission apparatus, comprise the external rotor body that is fixed with permanent magnet, separation sleeve and internal rotor body, the internal rotor body is relative with external rotor body end face, external rotor body end face upper edge circumference is provided with some permanent magnet blocks, it is characterized in that: the permanent magnet blocks on the described external rotor body end face leaves the gap each other, be fixed with the soft magnetic bodies piece along circumference equally with the corresponding position of external rotor body end face permanent magnet blocks on the described internal rotor body end face, described soft magnetic bodies piece protrudes in internal rotor body end face, be equipped with magnetic conductor near internal rotor body end face side between the described adjacent soft magnetic bodies piece and be interconnected to constitute flux path, described permanent magnet blocks and soft magnetic bodies piece are along circumferentially evenly distributing.
The utility model compared with prior art beneficial effect is: owing to what be provided with on the internal rotor scapus face is the soft magnetic bodies bar, rather than permanent magnet, therefore the temperature rise of internal rotor body can not cause magnetic to descend, bonding force reduces, therefore being adapted at working in the higher temperatures environment, is a kind of high temperature resistant magnetic drive device.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the utility model embodiment 1 structure cutaway view;
Accompanying drawing 2 is the utility model embodiment 1 STRUCTURE DECOMPOSITION schematic diagram;
Accompanying drawing 3 is an accompanying drawing 2A-A structure cutaway view;
Accompanying drawing 4 is an accompanying drawing 2B-B structure cutaway view;
Accompanying drawing 5 is the utility model embodiment 2 structural representations;
Accompanying drawing 6 is the utility model embodiment 2 STRUCTURE DECOMPOSITION schematic diagrames;
Accompanying drawing 7 is a magnet steel rotor assembly structural representation in the utility model embodiment 2;
Present embodiment is example with the cylindrical; as Fig. 1; shown in 2; internal rotor body 3 is a cylindricality; external rotor body 1 is a tubular; be integrally formed with on the top and be used for the axle sleeve that is connected with the output shaft of drive units such as motor; some row outer steels at the composition that circumferentially is fixed with permanent magnet on the inwall constitute the outer steel rotor assembly; outer steel is arranged to permanent magnet row 4 vertically; concrete columns is by the power and the moment of torsion decision of required transmission; the position corresponding with permanent magnet row 4 is provided with soft magnetic bodies bar 5 equally vertically on internal rotor body 3 cylinders; as Fig. 3; shown in 4; be equipped with magnetic conductor near center axis between the adjacent soft magnetic bodies bar 5 and be interconnected to constitute flux path; soft magnetic bodies bar 5 will protrude in internal rotor body 3 cylinders and become the convex tendon shape; permanent magnet row 4 and soft magnetic bodies bar 5 be even number preferably; and magnetic polarity is opposite between the adjacent permanent magnet row 4; permanent magnet row 4 preferably evenly distribute along circumference; such structure magnetic circuit is more reasonable; be provided with 6 permanent magnet row 4 and soft magnetic bodies bar 5 in the present embodiment altogether; the space that soft magnetic bodies bar 5 is asked can be filled with the non-magnetizer material and be made whole one-tenth cylindric to reduce resistance; in order to simplify manufacture craft; improve performance; internal rotor body 3; magnetic conductor and soft magnetic bodies bar 5 preferably are integral setting; integral body is made by soft magnetic material such as pure iron; the outer steel rotor assembly covers on interior magnet steel rotor assembly wherein; between outer steel rotor assembly and interior magnet steel rotor assembly, be provided with and be the back-off cup-shaped equally substantially; the cage that non-magnetizer such as stainless steel are made; in order to strengthen decay resistance; it is high temperature resistant that internal rotor body 3 surfaces are wrapped with one deck; corrosion resistant protective layer 7, high temperature resistant as stainless steel or other; resistant material.
Present embodiment is example with the face type; as Fig. 5; shown in 6; the external rotor body 1 of face type and internal rotor body 3 are the discoid or cylindrical component that a side is provided with rotating shaft; end face is relative; rotating shaft is on same straight line; rotor block 1 end face upper edge circumference is provided with some permanent magnet blocks 8 outside; permanent magnet blocks 8 leaves the gap each other; be fixed with soft magnetic bodies piece 9 along circumference equally with external rotor body 1 end face permanent magnet blocks 8 corresponding positions on internal rotor body 3 end faces; soft magnetic bodies piece 9 protrudes in internal rotor body 3 end faces; as shown in Figure 7; also can fill with the non-magnetizer material makes end face smooth to reduce resistance; as shown in Figure 6; be equipped with magnetic conductor near internal rotor body 3 end face sides between the described adjacent soft magnetic bodies piece 9 and be interconnected to constitute flux path; permanent magnet blocks 8 distributes along circumferentially preferably becoming even with soft magnetic bodies piece 9; external rotor body 1; 9 one-tenth even numbers of permanent magnet blocks 8 on internal rotor body 3 end faces and soft magnetic bodies piece; magnetic polarity is opposite between the adjacent permanent magnet row 4; such structural design magnetic circuit is more reasonable; in order to simplify manufacture craft; improve performance; internal rotor body 3 preferably is integral setting with soft magnetic bodies bar 5; integral body is made by soft magnetic material such as pure iron; between outer steel rotor assembly and interior magnet steel rotor assembly, be provided with the division board of making by non-magnetizer such as stainless steel 6; in order to strengthen decay resistance; it is high temperature resistant that internal rotor body 3 surfaces are wrapped with one deck; corrosion resistant protective layer 7, high temperature resistant as stainless steel or other; resistant material.
Claims (10)
1, a kind of thermostable magnetic transmission apparatus, comprise by the tubular external rotor body (1) that is fixed with permanent magnet on the inwall, separation sleeve (2) and internal rotor body (3), it is characterized in that: described external rotor body (1) inwall upper edge is circumferentially with the permanent magnet row (4) that some row axially are provided with, the position corresponding with permanent magnet row (4) is provided with soft magnetic bodies bar (5) equally vertically on described internal rotor body (3) cylinder, described soft magnetic bodies bar (5) protrudes in internal rotor body (3) cylinder and becomes the convex tendon shape, be equipped with magnetic conductor near center axis between the described adjacent soft magnetic bodies bar (5) and be interconnected to constitute flux path, described permanent magnet row (4) and soft magnetic bodies bar (5) are along circumferentially evenly distributing.
2, thermostable magnetic transmission apparatus according to claim 1 is characterized in that: described external rotor body (1) inwall upper edge is circumferentially with the permanent magnet row (4) that even column axially is provided with, and magnetic polarity is opposite between the adjacent permanent magnet row (4).
3, thermostable magnetic transmission apparatus according to claim 1 and 2 is characterized in that: described internal rotor body (3), magnetic conductor and soft magnetic bodies bar (5) are wholely set, and integral body is made by soft magnetic material.
4, thermostable magnetic transmission apparatus according to claim 1 and 2 is characterized in that: described internal rotor body (3) surface is wrapped with the corrosion-resistant protective layer of one deck (7).
5, thermostable magnetic transmission apparatus according to claim 3 is characterized in that: described internal rotor body (3) surface is wrapped with the corrosion-resistant protective layer of one deck (7).
6, a kind of thermostable magnetic transmission apparatus, comprise the external rotor body (1) that is fixed with permanent magnet, division board (6) and internal rotor body (3), internal rotor body (3) is relative with external rotor body (1) end face, external rotor body (1) end face upper edge circumference is provided with some permanent magnet blocks (8), it is characterized in that: the permanent magnet blocks (8) on described external rotor body (1) end face leaves the gap each other, be fixed with soft magnetic bodies piece (9) along circumference equally with the corresponding position of external rotor body (1) end face permanent magnet blocks (8) on described internal rotor body (3) end face, described soft magnetic bodies piece (9) protrudes in internal rotor body (3) end face, be equipped with magnetic conductor near internal rotor body (3) end face side between the described adjacent soft magnetic bodies piece (9) and be interconnected to constitute flux path, described permanent magnet blocks (8) and soft magnetic bodies piece (9) are along circumferentially evenly distributing.
7, thermostable magnetic transmission apparatus according to claim 6, it is characterized in that: described external rotor body (1), internal rotor body (3) end face upper edge circumferentially are respectively equipped with the permanent magnet blocks (8) and the soft magnetic bodies piece (9) of even number, and magnetic polarity is opposite between the adjacent permanent magnet row (4).
8, according to claim 6 or 7 described thermostable magnetic transmission apparatus, it is characterized in that: described internal rotor body (3) is wholely set with soft magnetic bodies bar (5), and integral body is made by soft magnetic material.
9, according to claim 6 or 7 described thermostable magnetic transmission apparatus, it is characterized in that: described internal rotor body (3) surface is wrapped with the corrosion-resistant protective layer of one deck (7).
10, thermostable magnetic transmission apparatus according to claim 8 is characterized in that: described internal rotor body (3) surface is wrapped with the corrosion-resistant protective layer of one deck (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520074405 CN2822021Y (en) | 2005-08-08 | 2005-08-08 | Anti-high temperature magneteic driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520074405 CN2822021Y (en) | 2005-08-08 | 2005-08-08 | Anti-high temperature magneteic driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2822021Y true CN2822021Y (en) | 2006-09-27 |
Family
ID=37018572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520074405 Expired - Lifetime CN2822021Y (en) | 2005-08-08 | 2005-08-08 | Anti-high temperature magneteic driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2822021Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513827C (en) * | 2005-08-08 | 2009-07-15 | 浙江长城减速机有限公司 | Thermostable magnetic transmission apparatus |
| CN102324819A (en) * | 2011-08-17 | 2012-01-18 | 福建省福安市力德泵业有限公司 | A kind of superhigh temperature resistant does not have the internal rotor magnetic coupling of interior magnetic |
| CN105289450A (en) * | 2014-06-25 | 2016-02-03 | 安徽扬子化工有限公司 | Reaction kettle for production of chemical-industrial reagent |
| CN108900067A (en) * | 2018-09-30 | 2018-11-27 | 郑州科锐真空设备有限公司 | A kind of multi-function magnetic coupled driver and the vacuum equipment using the driver |
-
2005
- 2005-08-08 CN CN 200520074405 patent/CN2822021Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513827C (en) * | 2005-08-08 | 2009-07-15 | 浙江长城减速机有限公司 | Thermostable magnetic transmission apparatus |
| CN102324819A (en) * | 2011-08-17 | 2012-01-18 | 福建省福安市力德泵业有限公司 | A kind of superhigh temperature resistant does not have the internal rotor magnetic coupling of interior magnetic |
| CN105289450A (en) * | 2014-06-25 | 2016-02-03 | 安徽扬子化工有限公司 | Reaction kettle for production of chemical-industrial reagent |
| CN108900067A (en) * | 2018-09-30 | 2018-11-27 | 郑州科锐真空设备有限公司 | A kind of multi-function magnetic coupled driver and the vacuum equipment using the driver |
| CN108900067B (en) * | 2018-09-30 | 2023-09-29 | 河南晶珂锐真空科技有限公司 | Multifunctional magnetic coupling driver and vacuum equipment using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090715 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |