CN203963026U - A kind of air-cooled magnetic fluid seal device - Google Patents
A kind of air-cooled magnetic fluid seal device Download PDFInfo
- Publication number
- CN203963026U CN203963026U CN201420412202.2U CN201420412202U CN203963026U CN 203963026 U CN203963026 U CN 203963026U CN 201420412202 U CN201420412202 U CN 201420412202U CN 203963026 U CN203963026 U CN 203963026U
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- rotating shaft
- place
- ring
- magnetic fluid
- shell
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Abstract
An air-cooled magnetic fluid seal device, belongs to mechanical engineering technical field of sealing technology.Solved when limiting because of axial length, in the time of can not making to be cooled with circulating water, a cooling difficult problem for magnetic fluid sealing, has higher using value.This device is by formations such as rotating shaft (1), shell (2), left pole shoe (5-1), permanent magnet (6), right pole shoes (5-2), and a plurality of circular grooves of the upper processing of shell (2), have increased heat diffusion area.Simple in structure, easy to process.When being specially adapted to magnetic fluid sealing axial length and being restricted, the magnetic fluid sealing under high temperature condition.Obtained in actual applications good effect.
Description
Technical field
The invention belongs to mechanical engineering technical field of sealing technology, when being specially adapted to magnetic fluid sealing axial length and being restricted, the magnetic fluid sealing under high temperature condition.
Background technique
Magnetic fluid sealing has the advantages such as zero leakage, long lifetime, high reliability, be applied widely in practice, but in commercial Application, such as often running into magnetic fluid sealing, the industries such as vacuum coating, multi-arc ion plating film work under high temperature condition, the situation that must take certain cooling method normally to use.It is cooling that the magnetic fluid sealing in present these fields usually adopts circulating water to carry out, yet circulation water cooling structure is complicated, can increase to a great extent the axial length of magnetic fluid seal device.The occasion being restricted at some axial lengths, magnetic fluid sealing adds circulating water cooling system and is difficult to realize.And some present other fields, such as radiator increases heat diffusion area by increasing radiating fin, the radiator of diesel engine etc. also adopts the mode of similar increase heat diffusion area to carry out cooling, this has important reference to widening the type of cooling of magnetic fluid sealing, and up to now, air-cooled magnetic fluid seal device there is not yet relevant report.This patent has proposed a kind of air-cooled magnetic fluid seal device, has solved an above-mentioned difficult problem, particularly, when axial length is restricted, has great importance.The present invention has obtained application in practice, has obtained good effect.
Summary of the invention
The technical issues that need to address of the present invention are, because axial length restriction, in the time of can not making to be cooled with circulating water, a cooling difficult problem for magnetic fluid sealing.
The technical solution adopted for the present invention to solve the technical problems is:
An air-cooled magnetic fluid seal device, forms this device and comprises:
Rotating shaft, shell, left bearing, left separation sleeve, left pole shoe, permanent magnet, right pole shoe, right separation sleeve, right bearing, the first jump ring, the second jump ring, the 3rd jump ring, the first seal ring, the second seal ring, end cap.
Form the connection between the each several part of this device:
Permanent magnet is arranged on to the place, right side of left pole shoe, right pole shoe is arranged on to the place, right side of permanent magnet, the first seal ring is arranged in the seal groove of left pole shoe external cylindrical surface, the second seal ring is arranged in the seal groove of external cylindrical surface of right pole shoe, magnetic liquid is injected on the inner cylindrical surface of permanent magnet, forms black box.
The 3rd jump ring is arranged in rotating shaft on external cylindrical surface in rightmost jump-ring slot, right bearing is arranged on to the place, left side of the 3rd jump ring in rotating shaft, the second jump ring is arranged in the jump-ring slot of upper of external cylindrical surface in rotating shaft, right separation sleeve is arranged on to the place, left side of right bearing in rotating shaft, black box is arranged on to the place, left side of the upper right separation sleeve of rotating shaft, left separation sleeve is arranged on to the place, left side of black box in rotating shaft, left bearing is arranged on to the place, left side of the upper left separation sleeve of rotating shaft, the first jump ring is arranged in rotating shaft in leftmost jump-ring slot, form Runner assembly.
Above-mentioned Runner assembly is installed in shell, makes the right side of right bearing on Runner assembly and the laminating of the left side of shell inner convex platform, end cap is arranged on to the place, left side of left bearing, between end cap and shell, be threaded connection.
On the external cylindrical surface of described shell, have a lot of circular grooves.Increased the heat diffusion area of shell.
The present invention compares had beneficial effect with prior art:
This air-cooled magnetic fluid seal device only need to be processed a plurality of circular grooves on shell.Simple in structure, easy to process.When being specially adapted to magnetic fluid sealing axial length and being restricted, the magnetic fluid sealing under high temperature condition.
Accompanying drawing explanation
A kind of air-cooled magnetic fluid seal device of Fig. 1.
Embodiment
The invention will be further described as embodiment to take accompanying drawing:
A kind of air-cooled magnetic fluid seal device, as Fig. 1, forming this device comprises: rotating shaft 1, shell 2, left bearing 3-1, left separation sleeve 4-1, left pole shoe 5-1, permanent magnet 6, right pole shoe 5-2, right separation sleeve 4-2, right bearing 3-2, the first jump ring 7-1, the second jump ring 7-2, the 3rd jump ring 7-3, the first seal ring 8-1, the second seal ring 8-2, end cap 9.
Form the connection between the each several part of this device:
Permanent magnet 6 is arranged on to the place, right side of left pole shoe 5-1, right pole shoe 5-2 is arranged on to the place, right side of permanent magnet 6, the first seal ring 8-1 is arranged in the seal groove of left pole shoe 5-1 external cylindrical surface, the second seal ring 8-2 is arranged in the seal groove of external cylindrical surface of right pole shoe 5-2, magnetic liquid is injected on the inner cylindrical surface of permanent magnet 6, forms black box.
The 3rd jump ring 7-3 is arranged in rotating shaft 1 on external cylindrical surface in rightmost jump-ring slot, right bearing 3-2 is arranged on to the place, left side of the 3rd jump ring 7-3 in rotating shaft 1, the second jump ring 7-2 is arranged in the jump-ring slot of upper of external cylindrical surface in rotating shaft 1, right separation sleeve 4-2 is arranged on to the place, left side of right bearing 3-2 in rotating shaft 1, black box is arranged on to the place, left side of the upper right separation sleeve 4-2 of rotating shaft 1, left separation sleeve 4-1 is arranged on to the place, left side of black box in rotating shaft 1, left bearing 3-1 is arranged on to the place, left side of the upper left separation sleeve 4-1 of rotating shaft 1, the first jump ring 7-1 is arranged in rotating shaft 1 in leftmost jump-ring slot, form Runner assembly.
Above-mentioned Runner assembly is installed in shell 2, makes the right side of right bearing 3-2 on Runner assembly and the laminating of the left side of shell 2 inner convex platforms, end cap 9 is arranged on to the place, left side of left bearing 3-1, between end cap 9 and shell 2, be threaded connection.
On the external cylindrical surface of described shell 2, have a lot of circular grooves, increased the heat diffusion area of shell.And can in shell, pass into cold air as required, strengthen cooling effect.
This air-cooled magnetic fluid seal device only need to be processed a plurality of circular grooves on shell.Simple in structure, easy to process.When being specially adapted to magnetic fluid sealing axial length and being restricted, the magnetic fluid sealing under high temperature condition.Obtained in actual applications good effect.
Claims (1)
1. an air-cooled magnetic fluid seal device, forms this device and comprises:
Rotating shaft (1), shell (2), left bearing (3-1), left separation sleeve (4-1), left pole shoe (5-1), permanent magnet (6), right pole shoe (5-2), right separation sleeve (4-2), right bearing (3-2), the first jump ring (7-1), the second jump ring (7-2), the 3rd jump ring (7-3), the first seal ring (8-1), the second seal ring (8-2), end cap (9);
Form the connection between the each several part of this device:
Permanent magnet (6) is arranged on to the place, right side of left pole shoe (5-1), right pole shoe (5-2) is arranged on to the place, right side of permanent magnet (6), the first seal ring (8-1) is arranged in the seal groove of left pole shoe (5-1) external cylindrical surface, the second seal ring (8-2) is arranged in the seal groove of external cylindrical surface of right pole shoe (5-2), magnetic liquid is injected on the inner cylindrical surface of permanent magnet (6), forms black box;
The 3rd jump ring (7-3) is arranged on the upper external cylindrical surface of rotating shaft (1) in rightmost jump-ring slot, right bearing (3-2) is arranged on to the place, left side of upper the 3rd jump ring (7-3) of rotating shaft (1), the second jump ring (7-2) is arranged in the jump-ring slot of upper of the upper external cylindrical surface of rotating shaft (1), right separation sleeve (4-2) is arranged on to the place, left side of the upper right bearing (3-2) of rotating shaft (1), black box is arranged on to the place, left side of the upper right separation sleeve of rotating shaft (1) (4-2), left separation sleeve (4-1) is arranged on to the place, left side of the upper black box of rotating shaft (1), left bearing (3-1) is arranged on to the place, left side of the upper left separation sleeve of rotating shaft (1) (4-1), the first jump ring (7-1) is arranged in the upper leftmost jump-ring slot of rotating shaft (1), form Runner assembly,
Above-mentioned Runner assembly is installed in shell (2), make the right side of right bearing on Runner assembly (3-2) and the laminating of the left side of shell (2) inner convex platform, the place, left side that end cap (9) is arranged on to left bearing (3-1), is threaded connection between end cap (9) and shell (2);
It is characterized in that:
On the external cylindrical surface of described shell (2), have a lot of circular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412202.2U CN203963026U (en) | 2014-07-24 | 2014-07-24 | A kind of air-cooled magnetic fluid seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412202.2U CN203963026U (en) | 2014-07-24 | 2014-07-24 | A kind of air-cooled magnetic fluid seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963026U true CN203963026U (en) | 2014-11-26 |
Family
ID=51923609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420412202.2U Expired - Fee Related CN203963026U (en) | 2014-07-24 | 2014-07-24 | A kind of air-cooled magnetic fluid seal device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203963026U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969150A (en) * | 2017-03-31 | 2017-07-21 | 北京交通大学 | Pole shoe back-trough formula circulating cooling magnetic fluid seal device |
| CN108351031A (en) * | 2015-11-11 | 2018-07-31 | 日本伊格尔博格曼有限公司 | Magnetic fluid seal |
| CN114370508A (en) * | 2021-12-23 | 2022-04-19 | 清华大学 | Magnetic liquid sealing device with cooling system |
-
2014
- 2014-07-24 CN CN201420412202.2U patent/CN203963026U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108351031A (en) * | 2015-11-11 | 2018-07-31 | 日本伊格尔博格曼有限公司 | Magnetic fluid seal |
| US10378587B2 (en) | 2015-11-11 | 2019-08-13 | EagleBurgmann Japan Co., Ltd. | Magnetic fluid seal |
| CN106969150A (en) * | 2017-03-31 | 2017-07-21 | 北京交通大学 | Pole shoe back-trough formula circulating cooling magnetic fluid seal device |
| CN114370508A (en) * | 2021-12-23 | 2022-04-19 | 清华大学 | Magnetic liquid sealing device with cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20200724 |