CN108006232A - A kind of mixed type labyrinth type device for sealing magnetic fluid - Google Patents
A kind of mixed type labyrinth type device for sealing magnetic fluid Download PDFInfo
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- CN108006232A CN108006232A CN201711333710.6A CN201711333710A CN108006232A CN 108006232 A CN108006232 A CN 108006232A CN 201711333710 A CN201711333710 A CN 201711333710A CN 108006232 A CN108006232 A CN 108006232A
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- pole tooth
- magnetic fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The object of the present invention is to provide a kind of mixed type labyrinth type device for sealing magnetic fluid, including axis, shell, the first from left pole shoe ring, the second from left pole shoe ring, a right pole shoe ring, right diode boot ring, left sleeve, intermediate sleeve, right sleeve, magnet ring；Left sleeve is equipped with pole tooth I and pole tooth II, and right sleeve is equipped with pole tooth III and pole tooth IV, forms a kind of mixed type labyrinth type magnetic fluid sealing structure.Present invention aim to address the relatively low problem of pressure-resistant performance existing for existing sealing device so that the sealing technique is successfully applied in the fields such as high-speed overload.
Description
Technical field
The invention belongs to sealing field of mechanical engineering, and in particular to a kind of mixed type labyrinth type device for sealing magnetic fluid.
Background technology
When magnetic fluid seal technology is applied in major diameter, high speed and heavily loaded sealed environment, the magnetism in seal clearance
Fluid often fails because seal clearance is excessive, therefore the pressure-resistant performance for improving wide arc gap magnetic fluid seal is current research
One of hot issue.
One of the method for improving the pressure-resistant performance of wide arc gap magnetic Fluid Sealing be by improving magnetic fluid seal structure,
Sealing device as described in documents 1 (patent of Publication No. CN 103115152A).It is although close described in document above
The relatively common magnetic fluid seal performance of seal apparatus is greatly improved, but its sealing performance does not reach high-speed overload etc. still
The high sealing performance requirement of special operation condition.
The content of the invention
The object of the present invention is to provide a kind of mixed type labyrinth type device for sealing magnetic fluid, so as to solve existing sealing device
The relatively low problem of existing pressure-resistant performance so that the sealing technique is successfully applied in the fields such as high-speed overload.
Technical scheme is as follows：
The mixed type labyrinth type device for sealing magnetic fluid, including axis, shell, the first from left pole shoe ring, the second from left pole shoe ring, a right pole
Boots ring, right diode boot ring, left sleeve, intermediate sleeve, right sleeve, magnet ring；
Interval is set successively from left to right vertically for the first from left pole shoe ring, the second from left pole shoe ring, a right pole shoe ring, right diode boot ring
It is placed in interval to be arranged in shell, the first from left pole shoe ring, the second from left pole shoe ring, a right pole shoe ring, the periphery and shell of right diode boot ring
Inner wall be in contact, the first from left pole shoe ring, right diode boot ring inner headed face radially to axis periphery extend, the periphery with axis
Between leave gap；The second from left pole shoe ring, a right pole shoe ring,
The left sleeve, intermediate sleeve, right sleeve are set on axis successively, and left sleeve, intermediate sleeve, right sleeve are located at the first from left
Between pole shoe ring, right diode boot ring；Left sleeve, intermediate sleeve, the inner circle EDS maps of right sleeve are contacted with the periphery of axis；It is described
Magnet ring it is axially spaced be arranged on shell in, respectively between the first from left pole shoe ring and the second from left pole shoe ring, the second from left pole shoe ring
Between a right pole shoe ring, between a right pole shoe ring and right diode boot ring；The periphery of the magnet ring and the inner wall of shell
Contact；
The intermediate sleeve is torus structure, the periphery and the second from left pole shoe ring of the intermediate sleeve and a right pole shoe ring
Between magnet ring inner headed face between leave gap；
The left sleeve includes footpath ring I and collar I, and the inner headed face of collar I is in contact with the periphery of axis, described
The left side of collar I is connected with the right side of footpath ring I, and the left side of collar I extends to intermediate sleeve vertically, and left with intermediate sleeve
End contact；Magnet ring between the position correspondence the first from left pole shoe ring and the second from left pole shoe ring of the footpath ring I, footpath ring I's is interior
Disc is in contact with the periphery of axis, and the periphery of footpath ring I radially extends to the inner headed face of the magnet ring, with the inner headed face
Between leave gap；
The left side of the footpath ring I is equipped with pole tooth I, and the pole tooth I extends to the right side of the first from left pole shoe ring vertically,
Gap is left between the right side of the first from left pole shoe ring, magnetic fluid is equipped with the gap；The right side of the footpath ring I is equipped with
Pole tooth II, the pole tooth II left side extension of diode boot ring to the left vertically, are stayed between the left side of the second from left pole shoe ring
There is gap, magnetic fluid is equipped with the gap；
The right sleeve includes footpath ring II and collar II, the inner headed face of collar II are in contact with the periphery of axis, institute
The right side of the collar II stated is connected with the left side of footpath ring II, and the left side of collar II extends to intermediate sleeve vertically, and with
Between sleeve right side contact；Magnet ring between the right pole shoe ring of the position correspondence of the footpath ring II and right diode boot ring,
The inner headed face of footpath ring II is in contact with the periphery of axis, and the periphery of footpath ring II radially prolongs to the inner headed face of the magnet ring
Stretch, gap is left between the inner headed face；
The left side of the footpath ring II is equipped with pole tooth III, and the pole tooth III vertically prolong to the right by the right side of a pole shoe ring
Stretch, leave gap between the right side of a right pole shoe ring, magnetic fluid is equipped with the gap；On the right side of the footpath ring II
Equipped with pole tooth IV, the pole tooth IV left side extension of diode boot ring to the right vertically, with the left side of right diode boot ring it
Between leave gap, magnetic fluid is equipped with the gap.
Pole tooth V is arranged at intervals on the right side of the second from left pole shoe ring；It is spaced on the left side of the intermediate sleeve
Pole tooth VI is set, pole tooth VII is arranged at intervals on right side；Pole tooth VIII is arranged at intervals on the left side of one pole shoe ring of the right side；
The pole tooth V extends to the left side of intermediate sleeve vertically, and gap is left between the left side of intermediate sleeve,
Magnetic fluid is equipped with the gap；The right side extension of diode boot ring to the left vertically of described VI, the right end with the second from left pole shoe ring
Gap is left between face, magnetic fluid is equipped with the gap；The pole tooth V and pole tooth VI is interspersed, and between each other not
Contact；
The pole tooth VIII extends to the right side of intermediate sleeve vertically, and gap is left between the right side of intermediate sleeve,
Magnetic fluid is equipped with the gap；The pole tooth VII left side extension of a pole shoe ring to the right vertically, with a right pole shoe ring
Gap is left between left side, magnetic fluid is equipped with the gap；The pole tooth VIII and pole tooth VII is interspersed, and mutually it
Between do not contact.
The pole tooth V is arranged at intervals 1-10, and the pole tooth VI is interval setting 1-10 corresponding；The pole
Tooth VII is arranged at intervals 1-10, and the pole tooth VIII is interval setting 1-10 corresponding.
The second from left pole shoe ring corresponds to collar I, and one pole shoe ring of the right side corresponds to collar II, the second from left pole shoe ring
Pole tooth Ⅸ is respectively equipped with the inner headed face of a right pole shoe ring, radially collar I or collar II peripheries prolong the pole tooth Ⅸ
Stretch, gap is left between collar I or collar II peripheries, magnetic fluid is equipped with the gap.
The pole tooth Ⅸ is arranged at intervals 1-10.
The first from left pole shoe ring and the periphery of right diode boot ring are equipped with annular groove, in the annular groove I
Equipped with sealing ring.
The magnet ring is axial charging permanent magnet, and the magnetic line of force direction of adjacent magnet ring is opposite.
The mixed type labyrinth type device for sealing magnetic fluid, further includes left magnetism-isolating loop, right magnetism-isolating loop, left bearing and right axle
Hold；The left magnetism-isolating loop is arranged on the left side of the first from left pole shoe ring, and the inner wall for being close to shell is set；The right magnetism-isolating loop is arranged on the right side
The right side of diode boot ring, the inner wall for being close to shell are set；The left bearing and right bearing is set with axis, the left side
Bearing is arranged on the left side of left magnetism-isolating loop, and the right bearing is arranged on the right side of right magnetism-isolating loop.
The first from left pole shoe ring and left sleeve are staggered multigroup；The right diode boot ring and right sleeve are staggered
It is multigroup.
The pole tooth I, pole tooth II, pole tooth III, pole tooth IV are arranged at intervals 1-10.
Magnet fluid sealing is to produce magnetic field force in seal clearance using permanent magnet magnetic fluid is secured firmly between sealing
In gap, the pressure difference of both sides is resisted, so as to reach the effect of sealing.
The present invention make use of the left side without pole tooth by designing a kind of left sleeve with pole tooth and right tube-in-tube structure
One pole shoe and right diode boot, combine axial seal structure staggeredly, while form radial direction and axial seal space, in pole shoe and set
In the radial clearance of cylinder and sleeve and pole shoe axially and radially injection magnetic fluid gap in, so as to fulfill a kind of mixed type fan
Palace formula device for sealing magnetic fluid.
Preferred solution of the present invention, is further provided with radial direction pole tooth and axial poles tooth on the second from left pole shoe, a right pole shoe, and
By with left sleeve, right sleeve, the cooperation of intermediate sleeve and cross structure, form solid mazy magnet fluid sealing
Structure, can be good at the difficulty for overcoming existing sealing device can not realize the special operation condition high sealing performance requirement such as high-speed overload
Topic, using the pole shoe of radial direction pole tooth and with pole tooth sleeve arrangement structure design, realizes labyrinth seal and magnet fluid sealing
Organically combine, improve the voltage endurance capability and sealing reliability of magnetic fluid seal under the conditions of wide arc gap.
Brief description of the drawings
Fig. 1 is the structure diagram of sealing device of the present invention;
Each sequence number sign and corresponding title are as follows in figure：
1- axis, 2- shells, 3- the first from left pole shoe rings, 4- the second from left pole shoe rings, one pole shoe ring of the 5- right sides, the right diode boot rings of 6-, 7- left sleeves,
8- intermediate sleeves, the right sleeves of 9-, 10- magnet rings, 11- footpaths ring I, 12- collars I, 13- pole tooth I, 14- poles tooth II, 15- footpaths ring
II, 16- collar II, 17- poles tooth III, 18- poles tooth IV, 19- poles tooth V, 20- poles tooth VI, 21- poles tooth VII, 22- poles tooth VIII, 23-
Pole tooth Ⅸ, 24- annular grooves, 25- sealing rings, the left magnetism-isolating loops of 26-, the right magnetism-isolating loops of 27-, 28- left bearings, 29- right bearings.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the mixed type labyrinth type device for sealing magnetic fluid, including axis 1, shell 2, the first from left pole shoe ring 3,
The second from left pole shoe ring 4, a right pole shoe ring 5, right diode boot ring 6, left sleeve 7, intermediate sleeve 8, right sleeve 9, magnet ring 10；
The first from left pole shoe ring 3, the second from left pole shoe ring 4, a right pole shoe ring 5, right diode boot ring 6 vertically from left to right successively between
Every being arranged in shell 2, the first from left pole shoe ring 3, the second from left pole shoe ring 4, a right pole shoe ring 5, the periphery and shell of right diode boot ring 6
2 inner wall is in contact, and the first from left pole shoe ring 3, the inner headed face of right diode boot ring 6 radially extend to the periphery of axis 1, with axis 1
Gap is left between periphery；The second from left pole shoe ring 4, a right pole shoe ring 5,
The left sleeve 7, intermediate sleeve 8, right sleeve 9 are set on axis 1 successively, left sleeve 7, intermediate sleeve 8, right sleeve 9
Between the first from left pole shoe ring 3, right diode boot ring 6；Left sleeve 7, intermediate sleeve 8, inner circle EDS maps and the axis 1 of right sleeve 9
Periphery contacts；The magnet ring 10 is axially spaced to be arranged in shell 2, respectively positioned at the first from left pole shoe ring 3 and the second from left pole
Between boots ring 4, between the second from left pole shoe ring 4 and a right pole shoe ring 5, between a right pole shoe ring 5 and right diode boot ring 6；The permanent magnetism
The periphery of body ring 10 is contacted with the inner wall of shell 2；
The intermediate sleeve 8 is torus structure, the periphery and the second from left pole shoe ring 4 of the intermediate sleeve 8 and a right pole
Gap is left between the inner headed face of magnet ring 10 between boots ring 5；
The left sleeve 7 includes footpath ring I11 and collar I12, the inner headed face of the collar I12 connect with the periphery of axis 1
Touch, the left side of the collar I12 is connected with the right side of footpath ring I11, and the left side of collar I12 is prolonged to intermediate sleeve 8 vertically
Stretch, and contacted with 8 left side of intermediate sleeve；The position correspondence the first from left pole shoe ring 3 and the second from left pole shoe ring 4 of the footpath ring I11 it
Between magnet ring 10, the inner headed face of footpath ring I11 is in contact with the periphery of axis 1, the periphery of footpath ring I11 radially to this forever
The inner headed face extension of magnet ring 10, gap is left between the inner headed face；
The left side of the footpath ring I11 is equipped with pole tooth I13, and the pole tooth I13 is vertically to the right end of the first from left pole shoe ring 3
Face extends, and leaves gap between the right side of the first from left pole shoe ring 3, magnetic fluid is equipped with the gap；The right side of the footpath ring I11
End face is equipped with pole tooth II14, the pole tooth II14 left side extensions of diode boot ring 4 to the left vertically, with the second from left pole shoe ring
Gap is left between 4 left side, magnetic fluid is equipped with the gap；
The right sleeve 9 includes footpath ring II15 and collar II16, the inner headed face of the collar II16 and the periphery phase of axis 1
Contact, the right side of the collar II16 are connected with the left side of footpath ring II15, and the left side of collar II16 is vertically to intermediate sleeve
Cylinder 8 extends, and is contacted with 8 right side of intermediate sleeve；The right pole shoe ring 5 of the position correspondence of the footpath ring II15 and right diode boot
Magnet ring 10 between ring 6, the inner headed face of footpath ring II15 are in contact with the periphery of axis 1, the periphery edge of footpath ring II15
Radially extend to the inner headed face of the magnet ring 10, gap is left between the inner headed face；
The left side of the footpath ring II15 is equipped with pole tooth III 17, the pole tooth III 17 pole shoe ring 5 to the right vertically
Right side extends, and leaves gap between the right side of a right pole shoe ring 5, magnetic fluid is equipped with the gap；The footpath ring
The right side of II15 is equipped with pole tooth IV 18, the pole tooth IV 18 left side extension of diode boot ring 6 to the right vertically, with the right side
Gap is left between the left side of diode boot ring 6, magnetic fluid is equipped with the gap.
Pole tooth V 19 is arranged at intervals on the right side of the second from left pole shoe ring 4；On the left side of the intermediate sleeve 8
Pole tooth VI 20 is arranged at intervals, pole tooth VII 21 is arranged at intervals on right side；It is arranged at intervals on the left side of one pole shoe ring 5 of the right side
Pole tooth VIII 22；
The pole tooth V 19 extends to the left side of intermediate sleeve 8 vertically, between being left between the left side of intermediate sleeve 8
Gap, is equipped with magnetic fluid in the gap；The right side extension of diode boot ring 4 to the left vertically of described VI 20, with the second from left pole shoe ring 4
Right side between leave gap, magnetic fluid is equipped with the gap；The pole tooth V 19 and pole tooth VI 20 is interspersed, and
Do not contact between each other；
The pole tooth VIII 22 extends to the right side of intermediate sleeve 8 vertically, between being left between the right side of intermediate sleeve 8
Gap, is equipped with magnetic fluid in the gap；The pole tooth VII 21 left side extension of a pole shoe ring 5 to the right vertically, with a right pole
Gap is left between the left side of boots ring 5, magnetic fluid is equipped with the gap；The pole tooth VIII 22 and pole tooth VII 21 staggeredly divide
Cloth, and do not contact between each other.
The pole tooth V 19 is arranged at intervals 1-10, and the pole tooth VI 20 is interval setting 1-10 corresponding；It is described
Pole tooth VII 21 be arranged at intervals 1-10, corresponding the intervals setting 1-10 of the pole tooth VIII 22 is a.
The second from left pole shoe ring 4 corresponds to collar I12, and one pole shoe ring 5 of the right side corresponds to collar II16, described the second from left
Be respectively equipped with pole tooth Ⅸ 23 on the inner headed face of pole shoe ring 4 and a right pole shoe ring 5, the pole tooth Ⅸ 23 radially collar I12 or
Collar II16 peripheries extend, and leave gap between collar I12 or collar II16 peripheries, magnetic fluid is equipped with the gap.
The pole tooth Ⅸ 23 is arranged at intervals 1-10.
The first from left pole shoe ring 3 and the periphery of right diode boot ring 6 are equipped with annular groove 24, the annular groove
Sealing ring 25 is equipped with I24.
The magnet ring 10 is axial charging permanent magnet, and the magnetic line of force direction phase of adjacent magnet ring 10
Instead.
The mixed type labyrinth type device for sealing magnetic fluid, further includes left magnetism-isolating loop 26, right magnetism-isolating loop 27, left bearing 28
With right bearing 29；The left magnetism-isolating loop 26 is arranged on the left side of the first from left pole shoe ring 3, and the inner wall for being close to shell 2 is set；The right side
Magnetism-isolating loop 27 is arranged on the right side of right diode boot ring 6, and the inner wall for being close to shell 2 is set；The left bearing 28 and right bearing 29 divides
It is not set on axis 1, the left bearing 28 is arranged on the left side of left magnetism-isolating loop 26, and the right bearing 29 is arranged on right magnetism-isolating loop 27
Right side.
The first from left pole shoe ring 3 and left sleeve 7 is staggered multigroup；Right the diode boot ring 6 and right sleeve 9 interlocks
Set multigroup.
The pole tooth I13, pole tooth II14, pole tooth III17, pole tooth IV 18 are arranged at intervals 1-10.
Claims (10)
1. a kind of mixed type labyrinth type device for sealing magnetic fluid, including axis（1）, shell（2）, the first from left pole shoe ring（3）, the second from left pole shoe
Ring（4）, a right pole shoe ring（5）, right diode boot ring（6）, left sleeve（7）, intermediate sleeve（8）, right sleeve（9）, magnet ring
（10）, it is characterised in that：
The first from left pole shoe ring（3）, the second from left pole shoe ring（4）, a right pole shoe ring（5）, right diode boot ring（6）Vertically from a left side to
The right side is arranged at intervals at shell successively（2）It is interior, the first from left pole shoe ring（3）, the second from left pole shoe ring（4）, a right pole shoe ring（5）, right diode boot
Ring（6）Periphery and shell（2）Inner wall be in contact, the first from left pole shoe ring（3）, right diode boot ring（6）Inner headed face radially
To axis（1）Periphery extension, with axis（1）Periphery between leave gap；
The left sleeve（7）, intermediate sleeve（8）, right sleeve（9）Axis is set in successively（1）On, left sleeve（7）, intermediate sleeve
（8）, right sleeve（9）Positioned at the first from left pole shoe ring（3）, right diode boot ring（6）Between；Left sleeve（7）, intermediate sleeve（8）, right sleeve
（9）Inner circle EDS maps and axis（1）Periphery contact；The magnet ring（10）It is axially spaced to be arranged on shell（2）It is interior,
It is located at the first from left pole shoe ring respectively（3）With the second from left pole shoe ring（4）Between, the second from left pole shoe ring（4）With a right pole shoe ring（5）Between, it is right
One pole shoe ring（5）With right diode boot ring（6）Between；The magnet ring（10）Periphery and shell（2）Inner wall contact；
The intermediate sleeve（8）For torus structure, the intermediate sleeve（8）Periphery and the second from left pole shoe ring（4）With
A right pole shoe ring（5）Between magnet ring（10）Inner headed face between leave gap；
The left sleeve（7）Including footpath ring I（11）With collar I（12）, the collar I（12）Inner headed face and axis（1）'s
Periphery is in contact, the collar I（12）Left side and footpath ring I（11）Right side connection, collar I（12）Left side along axis
To intermediate sleeve（8）Extension, and and intermediate sleeve（8）Left side contacts；The footpath ring I（11）Position correspondence the first from left pole
Boots ring（3）With the second from left pole shoe ring（4）Between magnet ring（10）, footpath ring I（11）Inner headed face and axis（1）Periphery connect
Touch, footpath ring I（11）Periphery radially to the magnet ring（10）Inner headed face extension, leave sky between the inner headed face
Gap；
The footpath ring I（11）Left side be equipped with pole tooth I（13）, the pole tooth I（13）Vertically to the first from left pole shoe ring
（3）Right side extension, with the first from left pole shoe ring（3）Right side between leave gap, magnetic fluid is equipped with the gap；Described
Footpath ring I（11）Right side be equipped with pole tooth II（14）, the pole tooth II（14）Diode boot ring to the left vertically（4）Left end
Face extends, with the second from left pole shoe ring（4）Left side between leave gap, magnetic fluid is equipped with the gap；
The right sleeve（9）Including footpath ring II（15）With collar II（16）, the collar II（16）Inner headed face and axis（1）
Periphery be in contact, the collar II（16）Right side and footpath ring II（15）Left side connection, collar II（16）A left side
Side is vertically to intermediate sleeve（8）Extension, and and intermediate sleeve（8）Right side contacts；The footpath ring II（15）Position pair
Should a right pole shoe ring（5）With right diode boot ring（6）Between magnet ring（10）, footpath ring II（15）Inner headed face and axis（1）'s
Periphery is in contact, footpath ring II（15）Periphery radially to the magnet ring（10）Inner headed face extension, with the inner headed face
Between leave gap；
The footpath ring II（15）Left side be equipped with pole tooth III（17）, the pole tooth III（17）A pole shoe to the right vertically
Ring（5）Right side extension, with a right pole shoe ring（5）Right side between leave gap, magnetic fluid is equipped with the gap；It is described
Footpath ring II（15）Right side be equipped with pole tooth IV（18）, the pole tooth IV（18）Diode boot ring to the right vertically（6）'s
Left side extends, with right diode boot ring（6）Left side between leave gap, magnetic fluid is equipped with the gap.
2. mixed type labyrinth type device for sealing magnetic fluid as claimed in claim 1, it is characterised in that：
The second from left pole shoe ring（4）Right side on be arranged at intervals pole tooth V（19）；The intermediate sleeve（8）Left side
Upper interval setting pole tooth VI（20）, pole tooth VII is arranged at intervals on right side（21）；One pole shoe ring of the right side（5）Left side on
It is arranged at intervals pole tooth VIII（22）；
The pole tooth V（19）Vertically to intermediate sleeve（8）Left side extension, with intermediate sleeve（8）Left side between
Gap is left, magnetic fluid is equipped with the gap；Described VI（20）Diode boot ring to the left vertically（4）Right side extension, with
The second from left pole shoe ring（4）Right side between leave gap, magnetic fluid is equipped with the gap；The pole tooth V（19）With pole tooth VI
（20）It is interspersed, and does not contact between each other；
The pole tooth VIII（22）Vertically to intermediate sleeve（8）Right side extension, with intermediate sleeve（8）Right side between
Gap is left, magnetic fluid is equipped with the gap；The pole tooth VII（21）A pole shoe ring to the right vertically（5）Left side prolong
Stretch, with a right pole shoe ring（5）Left side between leave gap, magnetic fluid is equipped with the gap；The pole tooth VIII（22）With
Pole tooth VII（21）It is interspersed, and does not contact between each other.
3. mixed type labyrinth type device for sealing magnetic fluid as claimed in claim 2, it is characterised in that：The pole tooth V（19）
1-10 are arranged at intervals, the pole tooth VI（20）Corresponding interval setting 1-10；The pole tooth VII（21）It is arranged at intervals
1-10, the pole tooth VIII（22）Corresponding interval setting 1-10.
4. mixed type labyrinth type device for sealing magnetic fluid as claimed in claim 1, it is characterised in that：The second from left pole shoe ring
（4）Corresponding collar I（12）, one pole shoe ring of the right side（5）Corresponding collar II（16）, the second from left pole shoe ring（4）With the right side one
Pole shoe ring（5）Inner headed face on be respectively equipped with pole tooth Ⅸ（23）, the pole tooth Ⅸ（23）Radially collar I（12）Or collar II
（16）Periphery extends, with collar I（12）Or collar II（16）Gap is left between periphery, magnetic fluid is equipped with the gap.
5. mixed type labyrinth type device for sealing magnetic fluid as claimed in claim 4, it is characterised in that：The pole tooth Ⅸ（23）
It is arranged at intervals 1-10.
6. mixed type labyrinth type device for sealing magnetic fluid as claimed in claim 1, it is characterised in that：The first from left pole shoe ring
（3）With right diode boot ring（6）Periphery be equipped with annular groove（24）, the annular groove I（24）It is interior to be equipped with sealing ring
（25）.
7. mixed type labyrinth type device for sealing magnetic fluid as claimed in claim 1, it is characterised in that：The magnet ring
（10）For axial charging permanent magnet, and adjacent magnet ring（10）Magnetic line of force direction it is opposite.
8. mixed type labyrinth type device for sealing magnetic fluid as claimed in claim 1, it is characterised in that：Further include left magnetism-isolating loop
（26）, right magnetism-isolating loop（27）, left bearing（28）And right bearing（29）；The left magnetism-isolating loop（26）Arranged on the first from left pole shoe ring（3）
Left side, be close to shell（2）Inner wall set；The right magnetism-isolating loop（27）Arranged on right diode boot ring（6）Right side, be close to outer
Shell（2）Inner wall set；The left bearing（28）And right bearing（29）It is set with axis（1）On, the left bearing
（28）Arranged on left magnetism-isolating loop（26）Left side, the right bearing（29）Arranged on right magnetism-isolating loop（27）Right side.
9. mixed type labyrinth type device for sealing magnetic fluid as claimed in claim 1, it is characterised in that：The first from left pole shoe ring
（3）And left sleeve（7）It is staggered multigroup；The right diode boot ring（6）With right sleeve（9）It is staggered multigroup.
10. mixed type labyrinth type device for sealing magnetic fluid as claimed in claim 1, it is characterised in that：The pole tooth I
（13）, pole tooth II（14）, pole tooth III（17）, pole tooth IV（18）It is arranged at intervals 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333710.6A CN108006232A (en) | 2017-12-14 | 2017-12-14 | A kind of mixed type labyrinth type device for sealing magnetic fluid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333710.6A CN108006232A (en) | 2017-12-14 | 2017-12-14 | A kind of mixed type labyrinth type device for sealing magnetic fluid |
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| Publication Number | Publication Date |
|---|---|
| CN108006232A true CN108006232A (en) | 2018-05-08 |
Family
ID=62058645
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|---|---|---|---|
| CN201711333710.6A Pending CN108006232A (en) | 2017-12-14 | 2017-12-14 | A kind of mixed type labyrinth type device for sealing magnetic fluid |
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| CN108869754A (en) * | 2018-08-13 | 2018-11-23 | 广西科技大学 | A kind of leakproof magnetic-type magnetic fluid sealing structure |
| CN109210205A (en) * | 2018-10-24 | 2019-01-15 | 广西科技大学 | A kind of telescopic device for sealing magnetic fluid of magnetic guiding loop |
| CN109764138A (en) * | 2019-01-31 | 2019-05-17 | 广西科技大学 | A kind of embedded type labyrinth type device for sealing magnetic fluid |
| CN110762224A (en) * | 2019-11-25 | 2020-02-07 | 广西科技大学 | Divergent split-tooth stepped magnetic fluid rotary sealing device |
| CN111173931A (en) * | 2019-12-13 | 2020-05-19 | 湖南铁路科技职业技术学院 | Double-magnetic-source labyrinth type magnetic fluid sealing device |
| CN111457100A (en) * | 2020-04-24 | 2020-07-28 | 中国矿业大学 | Axial and radial combined type magnetic liquid sealing structure |
| CN114251367A (en) * | 2021-11-25 | 2022-03-29 | 广西科技大学 | Hybrid magnetic fluid sealing device for bearing |
| CN114251369A (en) * | 2021-11-25 | 2022-03-29 | 广西科技大学 | Magnetic fluid sealing device for bearing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574041A (en) * | 2013-11-08 | 2014-02-12 | 北京交通大学 | Cooling groove and centrifugal combined magnetic liquid rotating and sealing device |
-
2017
- 2017-12-14 CN CN201711333710.6A patent/CN108006232A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574041A (en) * | 2013-11-08 | 2014-02-12 | 北京交通大学 | Cooling groove and centrifugal combined magnetic liquid rotating and sealing device |
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| CN108869754A (en) * | 2018-08-13 | 2018-11-23 | 广西科技大学 | A kind of leakproof magnetic-type magnetic fluid sealing structure |
| CN109210205A (en) * | 2018-10-24 | 2019-01-15 | 广西科技大学 | A kind of telescopic device for sealing magnetic fluid of magnetic guiding loop |
| CN109210205B (en) * | 2018-10-24 | 2020-07-21 | 广西科技大学 | Magnetic conductive ring sleeve type magnetic fluid sealing device |
| CN109764138A (en) * | 2019-01-31 | 2019-05-17 | 广西科技大学 | A kind of embedded type labyrinth type device for sealing magnetic fluid |
| CN109764138B (en) * | 2019-01-31 | 2023-09-29 | 广西科技大学 | Embedded labyrinth type magnetic fluid sealing device |
| CN110762224A (en) * | 2019-11-25 | 2020-02-07 | 广西科技大学 | Divergent split-tooth stepped magnetic fluid rotary sealing device |
| CN111173931A (en) * | 2019-12-13 | 2020-05-19 | 湖南铁路科技职业技术学院 | Double-magnetic-source labyrinth type magnetic fluid sealing device |
| CN111457100A (en) * | 2020-04-24 | 2020-07-28 | 中国矿业大学 | Axial and radial combined type magnetic liquid sealing structure |
| CN111457100B (en) * | 2020-04-24 | 2021-02-19 | 中国矿业大学 | Axial and radial combined type magnetic liquid sealing structure |
| CN114251367A (en) * | 2021-11-25 | 2022-03-29 | 广西科技大学 | Hybrid magnetic fluid sealing device for bearing |
| CN114251369A (en) * | 2021-11-25 | 2022-03-29 | 广西科技大学 | Magnetic fluid sealing device for bearing |
| CN114251367B (en) * | 2021-11-25 | 2023-10-27 | 广西科技大学 | Mixed magnetic fluid sealing device for bearing |
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Application publication date: 20180508 |