CN203926772U - Gas, oily combination seal isolator - Google Patents
Gas, oily combination seal isolator Download PDFInfo
- Publication number
- CN203926772U CN203926772U CN201420288098.0U CN201420288098U CN203926772U CN 203926772 U CN203926772 U CN 203926772U CN 201420288098 U CN201420288098 U CN 201420288098U CN 203926772 U CN203926772 U CN 203926772U
- Authority
- CN
- China
- Prior art keywords
- ring
- oil
- seal
- gas
- rotating shaft
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000006835 compression Effects 0.000 claims abstract 8
- 238000007906 compression Methods 0.000 claims abstract 8
- 239000004519 grease Substances 0.000 claims 2
- 238000002955 isolation Methods 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model relates to a kind of gas, oily combination seal isolator, on the cylindrical of rotating shaft, be provided with the first flinger ring, the second flinger ring being set in distance and get rid of compression ring, on gear housing, be fixed with oil seal circle, airtight seal, on gear housing, offer vent; Oil cage ring is with oil, gas cage ring is set in distance and one is connected in the inner circle of oil seal circle body, the cylindrical of the rotating shaft between inner circle and the first flinger ring, second flinger ring of oil cage ring contacts, the inner circle of oil, gas cage ring embeds the second flinger ring and gets rid of between compression ring, and the inner circle of airtight seal embeds and gets rid of between the impeller mounting end of compression ring and rotating shaft; And rotating shaft, gear housing and oily cage ring surround the first oil back chamber, rotating shaft, oily cage ring become the second oil back chamber with oil, air bound from corral, oil seal circle body, oil, gas cage ring, airtight seal and gear housing surround air collecting chamber, and air collecting chamber is communicated with vent.The utility model can be realized the seal isolation effect to pressurized air and lubricant oil.
Description
Technical field
The utility model relates in a kind of high-speed centrifugal fan for strengthening the device of pressurized air and seal oil isolation effect, and the utility model especially relates to a kind of gas, oily combination seal isolator.
Background technique
In prior art, conventionally with labyrinth sealing, realize lubricant oil in high-speed centrifugal fan and compressed-air actuated sealing.Because axle journal is straight, to lubricant oil and compressed-air actuated isolation effect, be not fine.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and providing a kind of can strengthen the seal isolation effect of pressurized air and lubricant oil, the gas that simple in structure, processing cost is low, oily combination seal isolator.
The technological scheme providing according to the utility model, described gas, oily combination seal isolator, comprise rotating shaft, oil seal circle, airtight seal and gear housing, rotating shaft is rotatably installed in gear housing, on the cylindrical of rotating shaft, be provided with the first flinger ring, the second flinger ring being set in distance and get rid of compression ring, on gear housing, be fixed with oil seal circle, airtight seal, on gear housing, offer vent, described oil seal circle comprises oil seal circle body, oil cage ring and oil, gas cage ring, oil cage ring and oil, gas cage ring is set in distance and one is connected in the inner circle of oil seal circle body, the inner circle of oil cage ring embeds between the first flinger ring and the second flinger ring, inner circle and first flinger ring of oil cage ring, the cylindrical contact of the rotating shaft between the second flinger ring, oil, the inner circle of gas cage ring embeds the second flinger ring and gets rid of between compression ring, oil, between gas cage ring and the second flinger ring, there is gap, oil, gas cage ring and get rid of and there is gap between compression ring, the inner circle of airtight seal embeds and gets rid of between the impeller mounting end of compression ring and rotating shaft, and rotating shaft, gear housing and oily cage ring surround the first oil back chamber, rotating shaft, oily cage ring become the second oil back chamber with oil, air bound from corral, oil seal circle body, oil, gas cage ring, airtight seal and gear housing surround air collecting chamber, and air collecting chamber is communicated with vent.
Gap width between described oil, gas cage ring and the second flinger ring is 0.8 ~ 1.2mm.
Described, oil, gas cage ring and the gap width of getting rid of between compression ring are 0.8 ~ 1.2mm.
In the inner circle of oily cage ring, be connected with ringwise grease baffle, in the direction of this grease baffle from cylindrical to inner circle, be thickness and dwindle gradually setting.
In the inner circle of airtight seal, be connected with and be set in distance and for annular airtight plate, the inner circle of airtight plate contacts with the cylindrical of rotating shaft, near on the rotating shaft cylindrical of impeller mounting end, be connected with the seal ring being set in distance, part airtight plate and seal ring dislocation are put plugging.
The utility model is simple in structure, compact, rationally, low cost of manufacture, the utility model is adapted at using on the high-speed centrifugal fan of all specifications; The utility model can be realized the seal isolation effect to pressurized air and lubricant oil, is conducive to cut down finished cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
This gas, oily combination seal isolator, comprise rotating shaft 1, oil seal circle 2, airtight seal 3 and gear housing 4, rotating shaft 1 is rotatably installed in gear housing 4, on the cylindrical of rotating shaft 1, be provided with the first flinger ring 1.1, the second flinger ring 1.2 being set in distance and get rid of compression ring 1.3, on gear housing 4, be fixed with oil seal circle 2, airtight seal 3, on gear housing 4, offer vent 4.1, described oil seal circle 2 comprises oil seal circle body 2.1, oil cage ring 2.2 and oil, gas cage ring 2.3, oil cage ring 2.2 and oil, gas cage ring 2.3 is set in distance and one is connected in the inner circle of oil seal circle body 2.1, the inner circle of oil cage ring 2.2 embeds between the first flinger ring 1.1 and the second flinger ring 1.2, inner circle and first flinger ring 1.1 of oil cage ring 2.2, the cylindrical contact of the rotating shaft 1 between the second flinger ring 1.2, oil, the inner circle of gas cage ring 2.3 embeds the second flinger ring 1.2 and gets rid of between compression ring 1.3, oil, between gas cage ring 2.3 and the second flinger ring 1.2, there is gap, oil, gas cage ring 2.3 and get rid of between compression ring 1.3 and there is gap, the inner circle of airtight seal 3 embeds and gets rid of between compression ring 1.3 and the impeller mounting end of rotating shaft 1, and rotating shaft 1, gear housing 4 surround the first oil back chamber 5 with oily cage ring 2.2, rotating shaft 1, oily cage ring 2.2 surround the second oil back chamber 6 with oil, gas cage ring 2.3, oil seal circle body 2.1, oil, gas cage ring 2.3, airtight seal 3 surround air collecting chamber 7 with gear housing 4, and air collecting chamber 7 is communicated with vent 4.1.
Gap width between described oil, gas cage ring 2.3 and the second flinger ring 1.2 is 0.8 ~ 1.2mm.
Described, oil, gas cage ring 2.3 and the gap width of getting rid of between compression ring 1.3 are 0.8 ~ 1.2mm.
In the inner circle of oily cage ring 2.2, be connected with ringwise grease baffle 4.4, in the direction of this grease baffle 4.4 from cylindrical to inner circle, be thickness and dwindle gradually setting.
In the inner circle of airtight seal 3, be connected with and be set in distance and for annular airtight plate 3.1, the inner circle of airtight plate 3.1 contacts with the cylindrical of rotating shaft 1, near on rotating shaft 1 cylindrical of impeller mounting end, be connected with the seal ring 1.4 being set in distance, part airtight plate 3.1 is put plugging with seal ring 1.4 dislocation.
When blower fan turns round, rotating shaft 1 rotation, and drive the first flinger ring 1.1, the second flinger ring 1.2 on it and get rid of compression ring 1.3 rotations.Lubricant oil completes lubrication flow and goes out after bearing 8, and the first flinger ring 1.1 that part is machined on axle journal 1 gets rid of to the first oil back chamber 5, after remainder grease baffle 4.4 slows down, by the second flinger ring 1.2, is got rid of to the second oil back chamber 6.Partial shrinkage air flows into along the gap between impeller 9 and gear housing 4, in the dentation gaps of 1.4 pairs of slotting formation of seal ring of the airtight plate 3.1 in airtight seal 3 and rotating shaft 1, after deceleration and step-down, got rid of compression ring and got rid of to the rear vent 4.1 that passes through of air collecting chamber 7 towards ambient atmosphere.
Claims (5)
1. a gas, oily combination seal isolator, comprise rotating shaft (1), oil seal circle (2), airtight seal (3) and gear housing (4), rotating shaft (1) is rotatably installed in gear housing (4), it is characterized in that: on the cylindrical of rotating shaft (1), be provided with the first flinger ring (1.1), the second flinger ring (1.2) being set in distance and get rid of compression ring (1.3), on gear housing (4), be fixed with oil seal circle (2), airtight seal (3), on gear housing (4), offer vent (4.1), described oil seal circle (2) comprises oil seal circle body (2.1), oil cage ring (2.2) and oil, gas cage ring (2.3), oil cage ring (2.2) and oil, gas cage ring (2.3) is set in distance and one is connected in the inner circle of oil seal circle body (2.1), the inner circle of oil cage ring (2.2) embeds between the first flinger ring (1.1) and the second flinger ring (1.2), inner circle and first flinger ring (1.1) of oil cage ring (2.2), the cylindrical contact of the rotating shaft (1) between the second flinger ring (1.2), oil, the inner circle of gas cage ring (2.3) embeds the second flinger ring (1.2) and gets rid of between compression ring (1.3), oil, between gas cage ring (2.3) and the second flinger ring (1.2), there is gap, oil, gas cage ring (2.3) and get rid of between compression ring (1.3) and there is gap, the inner circle of airtight seal (3) embeds and gets rid of between compression ring (1.3) and the impeller mounting end of rotating shaft (1), and rotating shaft (1), gear housing (4) surround the first oil back chamber (5) with oily cage ring (2.2), rotating shaft (1), oily cage ring (2.2) surround the second oil back chamber (6) with oil, gas cage ring (2.3), oil seal circle body (2.1), oil, gas cage ring (2.3), airtight seal (3) surround air collecting chamber (7) with gear housing (4), and air collecting chamber (7) is communicated with vent (4.1).
2. gas as claimed in claim 1, oily combination seal isolator, is characterized in that: the gap width between described oil, gas cage ring (2.3) and the second flinger ring (1.2) is 0.8 ~ 1.2mm.
3. gas as claimed in claim 1, oily combination seal isolator, is characterized in that: described in, oil, gas cage ring (2.3) and the gap width of getting rid of between compression ring (1.3) they are 0.8 ~ 1.2mm.
4. gas as claimed in claim 1, oily combination seal isolator, it is characterized in that: in the inner circle of oily cage ring (2.2), be connected with ringwise grease baffle (4.4), in the direction of this grease baffle (4.4) from cylindrical to inner circle, be thickness and dwindle gradually setting.
5. gas as claimed in claim 1, oily combination seal isolator, it is characterized in that: in the inner circle of airtight seal (3), be connected with and be set in distance and for annular airtight plate (3.1), the inner circle of airtight plate (3.1) contacts with the cylindrical of rotating shaft (1), near on rotating shaft (1) cylindrical of impeller mounting end, be connected with the seal ring (1.4) being set in distance, part airtight plate (3.1) is put plugging with seal ring (1.4) dislocation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288098.0U CN203926772U (en) | 2014-05-30 | 2014-05-30 | Gas, oily combination seal isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288098.0U CN203926772U (en) | 2014-05-30 | 2014-05-30 | Gas, oily combination seal isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926772U true CN203926772U (en) | 2014-11-05 |
Family
ID=51822583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420288098.0U Expired - Fee Related CN203926772U (en) | 2014-05-30 | 2014-05-30 | Gas, oily combination seal isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982661A (en) * | 2014-05-30 | 2014-08-13 | 无锡杰尔压缩机有限公司 | Air and oil combined sealing isolator |
| CN112177969A (en) * | 2019-07-05 | 2021-01-05 | 中国联合重型燃气轮机技术有限公司 | Rotary machine |
-
2014
- 2014-05-30 CN CN201420288098.0U patent/CN203926772U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982661A (en) * | 2014-05-30 | 2014-08-13 | 无锡杰尔压缩机有限公司 | Air and oil combined sealing isolator |
| CN103982661B (en) * | 2014-05-30 | 2016-01-27 | 无锡杰尔压缩机有限公司 | Gas, oily combination seal isolator |
| CN112177969A (en) * | 2019-07-05 | 2021-01-05 | 中国联合重型燃气轮机技术有限公司 | Rotary machine |
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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 |
Granted publication date: 20141105 Termination date: 20170530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |