CN206036232U - Staggered device for sealing magnetic fluid of split type - Google Patents
Staggered device for sealing magnetic fluid of split type Download PDFInfo
- Publication number
- CN206036232U CN206036232U CN201620878520.7U CN201620878520U CN206036232U CN 206036232 U CN206036232 U CN 206036232U CN 201620878520 U CN201620878520 U CN 201620878520U CN 206036232 U CN206036232 U CN 206036232U
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- permanent magnet
- type
- split
- pole shoe
- interior
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Abstract
The utility model relates to a mechanical engineering sealing technique field specifically indicates a staggered device for sealing magnetic fluid of split type, and the device includes inner pole boots ring, split type outer pole boots, the interior permanent magnet of split type, the outer permanent magnet of split type, the split type outer pole boots are located the outside of inner pole boots ring, and the internal diameter of split type outer pole boots is greater than the external diameter of inner pole boots ring, the excircle interfacial of inner pole boots ring separates establishes a plurality of annular groove I, permanent magnet in the installation split type in annular groove I, a plurality of annular groove II are offered at the interval on the interior disc of split type outer pole boots, the outer permanent magnet of installation split type in the annular groove II, annular groove I is arranged in the on -line of two liang of annular groove II distances, and annular groove II is arranged in the on -line of two liang of annular groove I distances, in the permanent magnet stretched into the space between the outer permanent magnet of split type in the split type, the outer permanent magnet of split type stretched into in the space between the interior permanent magnet of split type. The utility model discloses sealing device has improved split type magnetic fluid sealing device's pressure resistance.
Description
Technical field
This utility model is related to mechanical engineering technical field of sealing technology, refers specifically to a kind of simple structure, and sealing property is reliable
The staggered device for sealing magnetic fluid of split-type.
Background technology
Magnet fluid sealing has the advantages that zero leakage, long-life, high reliability are widely used in all trades and professions,
But traditional device for sealing magnetic fluid is overall structure, during assembling sealing device, the axle first in equipment is needed
End loads sealing device, then again equipment shaft end is connected with the equipment of complexity, when the axle of magnet fluid sealing place rotary shaft
Connection equipment in end is complicated, the inconvenient situation for even not allowing to dismount of assembly and disassembly, and not only assembling process needs to take a substantial amount of time,
Assembling effect is affected, and is difficult to change corresponding sealing parts when seal failure.For this defect, using a point lobe
The sealing structure of formula, making device for sealing magnetic fluid for complex device becomes possibility, convenient maintenance and replacement, but existing point
There is the relatively low difficult problem of sealing voltage endurance capability in flap-type device for sealing magnetic fluid, the sealing device of split-type is difficult to used in high pressure etc.
Under operating mode.
The content of the invention
This utility model is related to a kind of simple structure, is easily installed maintenance, good pressure-resistant performance for the defect of prior art
Split-type device for sealing magnetic fluid.
The technical solution of the utility model is as follows：
A kind of staggered device for sealing magnetic fluid of split-type, including axle, shell, interior pole shoe ring, the outer pole shoe of split-type, point lobe
The outer permanent magnet of permanent magnet, split-type in formula, described axle are installed on the cross section of inboard wall of inside the shell, described axle and shell each other
Concentric circular, described interior pole shoe ring are sleeved on axle, and on the periphery of interior pole shoe ring, interval opens up multiple annular groove I；
The outer pole shoe of described split-type is mutually corresponding with interior pole shoe ring, and their axial length is equal, the outer pole shoe of split-type
Internal diameter more than interior pole shoe ring external diameter；The outer pole shoe of described split-type includes outside upper half pole shoe and outer lower half pole shoe, outer upper half
Pole shoe and outer lower half pole shoe are installed on the inwall of shell, and outside upper half pole shoe and outer lower half pole shoe are spliced into the split-type of annular
Outer pole shoe, interval setting annular groove II on the inner headed face of the outer pole shoe of described split-type；
The periphery of the interior pole shoe ring between position two annular groove I of correspondence of described annular groove II；
In described split-type, permanent magnet includes interior upper half permanent magnet and interior lower half permanent magnet, interior upper half permanent magnet and it is interior under
Half set of permanent magnets is installed in annular groove I into complete annular permanent magnet；Described interior upper half permanent magnet and interior lower half permanent magnetism
Body extends to pole shoe outside split-type, and the inner headed face of the outer pole shoe of split-type between has gap；
The outer permanent magnet of described split-type includes outer upper half permanent magnet and outer lower half permanent magnet, outer upper half permanent magnet and it is outer under
Half set of permanent magnets is installed in annular groove II into complete annular permanent magnet；Described outer upper half permanent magnet and outer lower half permanent magnetism
The inside pole shoe ring of body extends, and the periphery of interior pole shoe ring between has gap.
Sealing device described in the utility model also includes bearing, and described bearing is respectively arranged in interior pole shoe ring and point lobe
On the outer pole shoe of formula or so the axle at two ends.
The periphery of the left and right sides of described outside upper half pole shoe and outer lower half pole shoe is provided with annular groove III, is used for
Rubber seal is installed.
In the outer permanent magnet of described split-type and split-type, permanent magnet is radial magnetizing type permanent magnet, in each split-type
The magnetic line of force direction of permanent magnet is identical, and the magnetic line of force direction of the outer permanent magnet of each split-type is identical, in split-type permanent magnet and point
The magnetic line of force of the outer permanent magnet of flap-type is in opposite direction.
In described split-type, permanent magnet is 0.1mm-5mm with the gap of the outer pole shoe inner headed face of split-type；Described point lobe
The outer permanent magnet of formula is 0.1mm-5mm with the gap of interior pole shoe ring.
In described split-type, the number of permanent magnet is 3-10.
The number of the outer permanent magnet of described split-type is 2-9.
The installation process of sealing device described in the utility model is as follows：Interior pole shoe ring is installed on axle, in interior pole shoe
Upper half permanent magnet and interior lower half permanent magnet in installing in the annular groove I of ring periphery, make interior upper half permanent magnet and interior lower half forever
Magnet combines permanent magnet in integral split-type, in the gap in split-type two-by-two between permanent magnet injects magnetic fluid；Will
Outer upper half permanent magnet is installed in the annular groove II of outside upper half pole shoe inner headed face, and outer lower half permanent magnet is installed on outer lower half-shadow
In the annular groove II of boots inner headed face, magnetic is injected in outer upper half permanent magnet two-by-two and the two-by-two gap between outer lower half permanent magnet
Property fluid, installs rubber ring in the annular groove III of outer upper half pole shoe and outer lower half pole shoe periphery；Will with rubber ring and
Outside upper half pole shoe of outer upper half permanent magnet is installed on the outside of interior upper half permanent magnet periphery, will be with rubber ring and outer lower half forever
The outer lower half pole shoe of magnet is installed on the outside of interior lower half permanent magnet periphery, makes outer upper half permanent magnet and outer lower half permanent magnet knot
The outer permanent magnet entirety of synthesis split-type, makes outside upper half pole shoe and the outer pole shoe entirety of outer lower half pole shoe binding constituents flap-type；In interior pole
Bearing is respectively mounted on boots ring and the outer pole shoe of split-type or so the axle at two ends；Shell is installed on axle, jacket is lived in and states installation
Sealing parts on axle, the inwall of shell left end are close to the bearing positioned at left side, and right-hand member and the end cap of shell pass through screw thread
Connection is fastened, and end cap compresses the outer ring of the bearing positioned at right side.
Device for sealing magnetic fluid described in the utility model, permanent magnet in formula outer pole shoe, formula and the outer permanent magnet of formula are all provided with
The structure of split-type is set to, is particularly suited for the sealing of the equipment that complex structure should not be dismounted, make the close of baroque equipment
Seal apparatus it is easy to maintenance feasible；The outer permanent magnet of split-type of the present utility model stretches into the sky in split-type two-by-two between permanent magnet
Gap, the inner headed face of the outer permanent magnet of split-type form multiple inner seal rings with interior pole shoe ring, and permanent magnet is stretched into two-by-two in split-type
Space between the outer permanent magnet of split-type, in split-type, the periphery of permanent magnet forms multiple external seals with the outer pole shoe of split-type
Ring, so forms inside and outside alternate labyrinth seal structure in the axial direction, substantially increases the resistance to of split-type magnetic fluid sealing structure
Pressure performance, expands its range of safety operation；Sealing device structure described in the utility model is simple, it is easy to dismount, and reduces
The maintenance cost of sealing device.
Description of the drawings
Fig. 1 is the structural representation of sealing device described in the utility model
In figure, each sign and corresponding structure title are as follows：1- axles, 2- shells, pole shoe ring in 3-, upper half permanent magnet in 4-,
Outside upper half pole shoe of 5- annular groove I, 6-, the outer upper half permanent magnets of 7-, 8- annular groove II, 9- bearings, 10- end caps, 11- annulars are recessed
The outer lower half pole shoe of groove III, 12-, the outer lower half permanent magnets of 13-, lower half permanent magnet in 14-.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described.
The staggered device for sealing magnetic fluid of a kind of split-type as described in Figure 1, including axle 1, shell 2, interior pole shoe ring 3, point
The outer permanent magnet of permanent magnet, split-type in the outer pole shoe of flap-type, split-type, described axle 1 are installed on inside the shell, described axle 1 and outer
The cross section of inboard wall of shell 2 concentric circular each other, described interior pole shoe ring 3 are sleeved on axle 1, are spaced on the periphery of interior pole shoe ring 3
Open up multiple annular groove I5；
The outer pole shoe of described split-type is mutually corresponding with interior pole shoe ring 3, and their axial length is equal, the outer pole shoe of split-type
Internal diameter more than interior pole shoe ring 3 external diameter；The outer pole shoe of described split-type includes outside upper half pole shoe 6 and outer lower half pole shoe 12, outward
Upper half pole shoe 6 and outer lower half pole shoe 12 are installed on the inwall of shell, and outside upper half pole shoe 6 and outer lower half pole shoe 12 are spliced into annulus
The outer pole shoe of the split-type of shape, interval setting annular groove II8 on the inner headed face of the outer pole shoe of described split-type；
The periphery of the interior pole shoe ring 3 between position two annular groove I5 of correspondence of described annular groove II8；
In described split-type, permanent magnet includes interior upper half permanent magnet 4 and interior lower half permanent magnet 14, interior 4 He of upper half permanent magnet
Interior lower half permanent magnet 14 constitutes complete annular permanent magnet and is installed in annular groove I5；Described interior upper half permanent magnet 4 and interior
Lower half permanent magnet 14 extends to pole shoe outside split-type, and the inner headed face of the outer pole shoe of split-type between has gap；
The outer permanent magnet of described split-type includes outer upper half permanent magnet 7 and outer lower half permanent magnet 13, outer 7 He of upper half permanent magnet
Outer lower half permanent magnet 13 constitutes complete annular permanent magnet and is installed in annular groove II8；Described outer upper half permanent magnet 7 and outer
13 inside pole shoe ring 3 of lower half permanent magnet extends, and the periphery of interior pole shoe ring 3 between has gap.
Sealing device described in the utility model also includes bearing 10, and described bearing 10 is respectively arranged in interior pole shoe ring 3
On the split-type outward axle 1 at pole shoe or so two ends.
The periphery of the left and right sides of described outside upper half pole shoe 6 and outer lower half pole shoe 12 is provided with annular groove III11,
For installing rubber seal.
In the outer permanent magnet of described split-type and split-type, permanent magnet is radial magnetizing type permanent magnet, in each split-type
The magnetic line of force direction of permanent magnet is identical, and the magnetic line of force direction of the outer permanent magnet of each split-type is identical, in split-type permanent magnet and point
The magnetic line of force of the outer permanent magnet of flap-type is in opposite direction.
In described split-type, permanent magnet is 0.1mm-5mm with the gap of the outer pole shoe inner headed face of split-type；Described point lobe
The outer permanent magnet of formula is 0.1mm-5mm with the gap of interior pole shoe ring.
In described split-type, the number of permanent magnet is 3-10.
The number of the outer permanent magnet of described split-type is 2-9.
The installation process of sealing device described in the utility model is as follows：Interior pole shoe ring 3 is installed on axle 1, in interior pole
Upper half permanent magnet 4 and interior lower half permanent magnet 14 in installing in the annular groove I5 of 3 periphery of boots ring, make interior 4 He of upper half permanent magnet
Interior lower half permanent magnet 14 combines permanent magnet in integral split-type, in the gap in split-type two-by-two between permanent magnet injects magnetic
Property fluid；Outer upper half permanent magnet 7 is installed in the annular groove II8 of outside upper half pole shoe, 6 inner headed face, by outer lower half permanent magnet 13
It is installed in the annular groove II8 of outer 12 inner headed face of lower half pole shoe, in outer upper half permanent magnet 7 two-by-two and outer lower half permanent magnet two-by-two
Magnetic fluid is injected in gap between 14, in the annular groove III11 of outer upper half pole shoe 6 and outer 12 periphery of lower half pole shoe
Rubber ring is installed；Outside upper half pole shoe 6 with rubber ring and outer upper half permanent magnet 7 is installed on into interior 4 periphery of upper half permanent magnet
Outside, the outer lower half pole shoe 12 with rubber ring and outer lower half permanent magnet 13 is installed on into interior 14 periphery of lower half permanent magnet
Outside, makes outer upper half permanent magnet 7 and the outer permanent magnet entirety of 13 binding constituents flap-type of outer lower half permanent magnet, makes outside upper half pole shoe, 6 He
The outer pole shoe entirety of 12 binding constituents flap-type of outer lower half pole shoe；Divide on the axle at interior pole shoe ring 3 and the outer pole shoe of split-type or so two ends
An Zhuan not bearing 9；Shell 2 is installed on axle 1, shell 2 covers the above-mentioned sealing parts being installed on axle 1,2 left end of shell
Inwall is close to the bearing 9 positioned at left side, and the right-hand member of shell 2 is threaded connection with end cap 10 and is fastened, and end cap 10 compresses position
In the outer ring of the bearing 9 on right side.
Claims (7)
1. the staggered device for sealing magnetic fluid of a kind of split-type, including axle（1）, shell（2）, interior pole shoe ring（3）, the outer pole of split-type
The outer permanent magnet of permanent magnet, split-type, described axle in boots, split-type（1）It is installed on shell（2）Interior, described axle（1）And shell
（2）Cross section of inboard wall concentric circular each other, it is characterised in that：
Described interior pole shoe ring（3）It is sleeved on axle（1）On, interior pole shoe ring（3）Periphery on interval open up multiple annular groove I
（5）；
The outer pole shoe of described split-type and interior pole shoe ring（3）Mutually corresponding, their axial length is equal, the outer pole shoe of split-type
Internal diameter is more than interior pole shoe ring（3）External diameter；The outer pole shoe of described split-type includes outside upper half pole shoe（6）With outer lower half pole shoe
（12）, outside upper half pole shoe（6）With outer lower half pole shoe（12）It is installed on the inwall of shell, outside upper half pole shoe（6）With outer lower half-shadow
Boots（12）It is spliced into the outer pole shoe of split-type of annular, interval setting annular groove on the inner headed face of the outer pole shoe of described split-type
II（8）；
Described annular groove II（8）Position correspondence two annular groove I（5）Between interior pole shoe ring（3）Periphery；
In described split-type, permanent magnet includes interior upper half permanent magnet（4）With interior lower half permanent magnet（14）, interior upper half permanent magnet（4）
With interior lower half permanent magnet（14）The complete annular permanent magnet of composition is installed on annular groove I（5）It is interior；Described interior upper half permanent magnetism
Body（4）With interior lower half permanent magnet（14）To outside split-type, pole shoe extends, and the inner headed face of the outer pole shoe of split-type between has gap；
The outer permanent magnet of described split-type includes outer upper half permanent magnet（7）With outer lower half permanent magnet（13）, outer upper half permanent magnet（7）
With outer lower half permanent magnet（13）The complete annular permanent magnet of composition is installed on annular groove II（8）It is interior；Described outer upper half permanent magnetism
Body（7）With outer lower half permanent magnet（13）Inside pole shoe ring（3）Extend, with interior pole shoe ring（3）Periphery between have gap.
2. the staggered device for sealing magnetic fluid of split-type as claimed in claim 1, it is characterised in that：Also include bearing（10）,
Described bearing（10）It is respectively arranged in interior pole shoe ring（3）With the axle at outer pole shoe of split-type or so two ends（1）On.
3. the staggered device for sealing magnetic fluid of split-type as claimed in claim 1, it is characterised in that：Described outside upper half pole shoe
（6）With outer lower half pole shoe（12）The periphery of the left and right sides be provided with annular groove III（11）, for installing rubber seal
Circle.
4. the staggered device for sealing magnetic fluid of split-type as claimed in claim 1, it is characterised in that：Outside described split-type forever
In magnet and split-type, permanent magnet is radial magnetizing type permanent magnet, and in each split-type, the magnetic line of force direction of permanent magnet is identical,
The magnetic line of force direction of the outer permanent magnet of each split-type is identical, the magnetic line of force direction of permanent magnet and the outer permanent magnet of split-type in split-type
On the contrary.
5. the staggered device for sealing magnetic fluid of split-type as claimed in claim 1, it is characterised in that：In described split-type forever
Magnet is 0.1mm-5mm with the gap of the outer pole shoe inner headed face of split-type；Described split-type is outer between permanent magnet and interior pole shoe ring
Gap is 0.1mm-5mm.
6. the staggered device for sealing magnetic fluid of split-type as claimed in claim 1, it is characterised in that：In described split-type forever
The number of magnet is 3-10.
7. the staggered device for sealing magnetic fluid of split-type as claimed in claim 1, it is characterised in that：Outside described split-type forever
The number of magnet is 2-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878520.7U CN206036232U (en) | 2016-08-15 | 2016-08-15 | Staggered device for sealing magnetic fluid of split type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878520.7U CN206036232U (en) | 2016-08-15 | 2016-08-15 | Staggered device for sealing magnetic fluid of split type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036232U true CN206036232U (en) | 2017-03-22 |
Family
ID=58306187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620878520.7U Withdrawn - After Issue CN206036232U (en) | 2016-08-15 | 2016-08-15 | Staggered device for sealing magnetic fluid of split type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090238A (en) * | 2016-08-15 | 2016-11-09 | 广西科技大学 | A kind of staggered device for sealing magnetic fluid of split-type |
-
2016
- 2016-08-15 CN CN201620878520.7U patent/CN206036232U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090238A (en) * | 2016-08-15 | 2016-11-09 | 广西科技大学 | A kind of staggered device for sealing magnetic fluid of split-type |
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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 |
Granted publication date: 20170322 Effective date of abandoning: 20180112 |
|
| AV01 | Patent right actively abandoned |