CN206072358U - A kind of pyramid type coaxial-type magnetic sealing device - Google Patents
A kind of pyramid type coaxial-type magnetic sealing device Download PDFInfo
- Publication number
- CN206072358U CN206072358U CN201621045853.8U CN201621045853U CN206072358U CN 206072358 U CN206072358 U CN 206072358U CN 201621045853 U CN201621045853 U CN 201621045853U CN 206072358 U CN206072358 U CN 206072358U
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- CN
- China
- Prior art keywords
- rotor
- permanent magnet
- annular groove
- inwall
- power rotor
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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.)
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Abstract
This utility model discloses a kind of pyramid type coaxial-type magnetic sealing device, including rotating shaft, power rotor, driven rotor, separation sleeve, outer permanent magnet, interior permanent magnet, is respectively equipped with axis hole in the middle part of power rotor and driven rotor；The outer wall of the inwall and driven rotor of power rotor is taper seat, and power rotor covers driven rotor, the outside wall parallel of the inwall and driven rotor of power rotor；Separation sleeve is located between power rotor and driven rotor, is also cone, and internal and external walls are parallel with the inwall of power rotor, and gap is left between power rotor, driven rotor and separation sleeve；The multiple annular grooves of interval setting on the outer wall of the inwall and driven rotor of power rotor, and correspond；Permanent magnet is installed in annular groove.This utility model is by being both designed as cone shape by power rotor and driven rotor, and opens up groove on power rotor and driven rotor respectively, and permanent magnet is loaded in groove, so as to realize improving torque magnetic seal.
Description
Technical field
This utility model is related to mechanical engineering technical field of sealing technology, more particularly to a kind of pyramid type coaxial-type magnetic seal dress
Put.
Background technology
Magnetic seal is also called magnetic coupling, and it is the noncontact that torque is realized using the permanent magnet principle that there is a natural attraction between the sexes
Formula is transmitted, and metal separation sleeve can realize positive confinement, therefore magnetic seal has " zero leakage " and reduces vibration and noise etc.
Advantage.Magnetic seal structure mainly including three kinds of forms：End-surface type magnetic seal, coaxial-type magnetic seal and parallel-axis type
Magnetic seal.The torque maximum of coaxial-type magnetic seal transmission in three kinds of structures, but the torque transmitted is still less, still cannot
Meet the demand to high torque (HT) in transmission field.Therefore the torque improved in magnetic seal is needed for which is successfully applied to high torque (HT)
The magnetic drives field asked has great importance.
Utility model content
The purpose of this utility model is to provide a kind of pyramid type coaxial-type magnetic sealing device, by by power rotor and
Driven rotor is both designed as cone shape, and opens up groove on power rotor and driven rotor respectively, and permanent magnet is loaded recessed
In groove, so as to realize improving torque magnetic seal.
The technical solution of the utility model is as follows：
Pyramid type coaxial-type magnetic sealing device of the present utility model, including it is power rotor, driven rotor, separation sleeve, outer
Permanent magnet, interior permanent magnet, are respectively equipped with axis hole in the middle part of described power rotor and driven rotor；Described power rotor it is interior
Wall is taper seat, and the outer wall of described driven rotor is taper seat, and power rotor covers driven rotor, the inwall of power rotor and
The outside wall parallel of driven rotor；Described separation sleeve is located between power rotor and driven rotor, is also cone, internal and external walls
It is parallel with the inwall of power rotor, gap is left between power rotor, driven rotor and separation sleeve；Described power rotor
The multiple annular groove I of interval setting on inwall, the multiple annular groove II of interval setting on the outer wall of described driven rotor, it is described
Annular groove I and annular groove II correspond；Outer permanent magnet, described annular groove are installed in described annular groove I
Permanent magnet in installing in II.
The inwall of described annular groove I and annular groove II is parallel with axis hole, and outer wall is parallel with the inwall of power rotor,
Mutually corresponding annular groove I and annular groove II be located at axle it is same radially.
Each group of mutual corresponding outer permanent magnet is in opposite direction with the magnetic line of force of interior permanent magnet.
Described outer permanent magnet, interior permanent magnet are the conical permanent magnetism being spliced by the permanent magnet of polylith split-type
Body；Inwall of the inside and outside wall of described outer permanent magnet and interior permanent magnet each parallel to power rotor；The height of described outer permanent magnet
Depth of the degree less than annular groove I, the height of interior permanent magnet are less than the depth of annular groove II.
The inwall of described power rotor is 10～45 degree with horizontal angle.
Per a pair mutual corresponding outer permanent magnet, interior permanent magnet quantity it is equal, be 2-10.
Described power rotor inner conical surface and the gap of separation sleeve and the male cone (strobilus masculinus) of driven rotor and the gap phase of separation sleeve
Together, it is 0.1～5mm.
Described permanent magnet is axial charging type permanent magnet.
The course of work of the present utility model is as follows：
When rotating, power rotor is rotated and drives driven rotor to rotate, during rotation, separation sleeve cutting magnetic induction line fortune
Dynamic, it is faradic in opposite direction that the faradic current and corresponding interior permanent magnet that outer permanent magnet is produced is produced, and makees with offsetting
With, thus the size of total current will be substantially reduced, and reach the purpose for reducing eddy-current loss, while by between different in nature permanent magnet
The effect of magnetic field force, it is possible to increase the torque of transmission.
The beneficial effects of the utility model are：
This utility model separately designs power rotor and driven rotor for pyramidal structure, and respectively in power rotor
The outer wall of wall and driven rotor opens up groove, and permanent magnet is loaded in groove, and pyramidal structure can increase contact area, so as to carry
High magnetic force square, and improve the transmission efficiency of torque；Increase the logarithm of permanent magnet in a circumferential direction, accordingly increased and actively turn
Magnetic energy product between the inwall and the outer wall of driven rotor of son in gap, so as to enhance the effect of magnetic seal, overcomes existing
The defect for having magnetic sealing device torque little, substantially increases the reliability of magnetic drives.This utility model also has structure letter
It is single, be easily installed, it is easy to operate the advantages of.
Description of the drawings
Fig. 1 is not loaded into structural representation during permanent magnet for this utility model
Fig. 2 is the structural representation after this utility model loads permanent magnet
Fig. 3 is local subsection of the present utility model
In figure, each sequence number and title are as follows：
1- power rotors；2- driven rotors；3- separation sleeves；5- axis holes；
11- cannelure I；
21- cannelure II；
The outer permanent magnets of 41-；Permanent magnet in 42-.
Specific embodiment
This utility model is described in detail below by specific embodiment.
Embodiment 1
Pyramid type coaxial-type magnetic sealing device of the present utility model, including power rotor 1, driven rotor 2, separation sleeve 3,
The middle part of permanent magnet 4, described power rotor 1 and driven rotor 2 is respectively equipped with axis hole 5；The inwall of described power rotor 1 is
Taper seat, the outer wall of described driven rotor 2 is taper seat, and power rotor 1 covers driven rotor 2, the inwall of power rotor 1 and
The outside wall parallel of driven rotor 2；Described separation sleeve 3 is located between power rotor 1 and driven rotor 2, is also cone, in which
Outer wall is parallel with the inwall of power rotor 1, leaves gap between power rotor 1, driven rotor 3 and separation sleeve 3；Described master
The multiple annular groove I11 of interval setting on the inwall of dynamic rotor 1, the multiple rings of interval setting on the outer wall of described driven rotor 2
Connected in star II21, described annular groove I11 and annular groove II21 are corresponded；Install in described annular groove I11 outer
Permanent magnet 41, installs interior permanent magnet 42 in described annular groove II21.
The inwall of described annular groove I11 and annular groove II21 is parallel with axis hole 5, and outer wall is interior with power rotor 1
Wall is parallel, mutually corresponding annular groove I11 and annular groove II21 be located at axis hole 5 it is same radially.
Each group of mutual corresponding outer permanent magnet 41 is in opposite direction with the magnetic line of force of interior permanent magnet 42.
Described outer permanent magnet 41, interior permanent magnet 42 are spliced by the permanent magnet of polylith split-type；It is described it is outer forever
, parallel to axis hole 5, outside wall parallel is in the inwall of power rotor 1 for the inwall of magnet 41 and interior permanent magnet 42；Described outer permanent magnet
Depth of 41 height less than or equal to annular groove I11, the height of interior permanent magnet 42 is less than or equal to annular groove II21's
Depth.
The inwall of described power rotor 1 is 10～45 degree with horizontal angle.
Per a pair mutual corresponding outer permanent magnet 41, interior permanent magnet 42 quantity it is equal, be 2-10.
Between described 1 inner conical surface of power rotor and the gap of separation sleeve 3 and the male cone (strobilus masculinus) of driven rotor 2 and separation sleeve 3
Gap is identical, is 0.1～5mm.
Described permanent magnet 4 is axial charging type permanent magnet.
The course of work of the present utility model is as follows：
When rotating, power rotor 1 is rotated and drives driven rotor 2 to rotate, during rotation, 3 cutting magnetic induction of separation sleeve
Line is moved, faradic in opposite direction, the tool that the faradic current and corresponding interior permanent magnet 42 that outer permanent magnet 41 is produced is produced
There is negative function, thus the size of total current will be substantially reduced, reach the purpose for reducing eddy-current loss, while by different in nature permanent magnetism
The effect of the magnetic field force between body, it is possible to increase the torque of transmission.
Claims (8)
1. a kind of pyramid type coaxial-type magnetic sealing device, including power rotor（1）, driven rotor（2）, separation sleeve（3）, outward forever
Magnet（41）, interior permanent magnet（42）, it is characterised in that：Described power rotor（1）And driven rotor（2）Middle part be respectively equipped with
Axis hole（5）；Described power rotor（1）Inwall be taper seat, described driven rotor（2）Outer wall be taper seat, actively
Rotor（1）Cover driven rotor（2）, power rotor（1）Inwall and driven rotor（2）Outside wall parallel；Described separation sleeve
（3）Located at power rotor（1）And driven rotor（2）Between, it is also cone, internal and external walls are and power rotor（1）Inwall
It is parallel, power rotor（1）, driven rotor（2）With separation sleeve（3）Between leave gap；Described power rotor（1）Inwall on
The multiple annular groove I of interval setting（11）, described driven rotor（2）Outer wall on the multiple annular groove II of interval setting
（21）, described annular groove I（11）With annular groove II（21）Correspond；Described annular groove I（11）Outside interior installation
Permanent magnet（41）, described annular groove II（21）Permanent magnet in interior installation（42）.
2. pyramid type coaxial-type magnetic sealing device as claimed in claim 1, it is characterised in that：Described annular groove I
（11）With annular groove II（21）Inwall and axis hole（5）It is parallel, outer wall and power rotor（1）Inwall it is parallel, mutual correspondence
Annular groove I（11）With annular groove II（21）Positioned at axis hole（5）It is same radially.
3. pyramid type coaxial-type magnetic sealing device according to claim 1 and 2, it is characterised in that：Each group mutually right
The outer permanent magnet answered（41）With interior permanent magnet（42）The magnetic line of force it is in opposite direction.
4. pyramid type coaxial-type magnetic sealing device as claimed in claim 3, it is characterised in that：Described outer permanent magnet
（41）, interior permanent magnet（42）It is spliced by the permanent magnet of polylith split-type；Described outer permanent magnet（41）, interior permanent magnet
（42）Inwall parallel to axis hole（5）, outside wall parallel is in power rotor（1）Inwall；Described outer permanent magnet（41）Height
Less than or equal to annular groove I（11）Depth, interior permanent magnet（42）Height be less than or equal to annular groove II（21）Depth
Degree.
5. pyramid type coaxial-type magnetic sealing device according to claim 1, it is characterised in that：Described power rotor
（1）Inwall and horizontal angle be 10 ~ 45 degree.
6. pyramid type coaxial-type magnetic sealing device according to claim 1, it is characterised in that：It is mutually corresponding per a pair
Outer permanent magnet（41）, interior permanent magnet（42）Quantity it is equal, be 2-10.
7. pyramid type coaxial-type magnetic sealing device according to claim 1, it is characterised in that：Described power rotor
（1）Inner conical surface and separation sleeve（3）Gap and driven rotor（2）Male cone (strobilus masculinus) and separation sleeve（3）Gap it is identical, be 0.1 ~
5mm。
8. pyramid type coaxial-type magnetic sealing device according to claim 1, it is characterised in that：Described permanent magnet（4）
For axial charging type permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621045853.8U CN206072358U (en) | 2016-09-09 | 2016-09-09 | A kind of pyramid type coaxial-type magnetic sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621045853.8U CN206072358U (en) | 2016-09-09 | 2016-09-09 | A kind of pyramid type coaxial-type magnetic sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206072358U true CN206072358U (en) | 2017-04-05 |
Family
ID=58437388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621045853.8U Expired - Fee Related CN206072358U (en) | 2016-09-09 | 2016-09-09 | A kind of pyramid type coaxial-type magnetic sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206072358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880186A (en) * | 2018-08-09 | 2018-11-23 | 广西科技大学 | A kind of coaxial-type permanent magnetic transmission device |
| CN109104070A (en) * | 2018-08-27 | 2018-12-28 | 广西科技大学 | A kind of hybrid permanent magnet type transmission device |
-
2016
- 2016-09-09 CN CN201621045853.8U patent/CN206072358U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880186A (en) * | 2018-08-09 | 2018-11-23 | 广西科技大学 | A kind of coaxial-type permanent magnetic transmission device |
| CN108880186B (en) * | 2018-08-09 | 2023-05-23 | 广西科技大学 | Coaxial permanent magnet transmission device |
| CN109104070A (en) * | 2018-08-27 | 2018-12-28 | 广西科技大学 | A kind of hybrid permanent magnet type transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20180909 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |