CN103982661B - Gas, oily combination seal isolator - Google Patents
Gas, oily combination seal isolator Download PDFInfo
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- CN103982661B CN103982661B CN201410240490.2A CN201410240490A CN103982661B CN 103982661 B CN103982661 B CN 103982661B CN 201410240490 A CN201410240490 A CN 201410240490A CN 103982661 B CN103982661 B CN 103982661B
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Abstract
The present invention relates to a kind of gas, oily combination seal isolator, the cylindrical of rotating shaft is provided be set in distance first gear oil ring, second gear oil ring with get rid of compression ring, gear housing is fixed with oil seal circle, airtight seal, gear housing offers vent; Oil cage ring is set in distance with oil, gas cage ring and is integrally connected in the inner circle of oil seal circle body, the inner circle of oil cage ring contacts with the cylindrical of the rotating shaft between first gear oil ring, second gear oil ring, the inner circle of oil, gas cage ring embeds second gear oil ring and gets rid of between compression ring, and the inner circle embedding of airtight seal is got 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 present invention can realize the seal isolation effect to pressurized air and lubricant oil.
Description
Technical field
The present invention relates to for strengthening the device of pressurized air and seal oil isolation effect in a kind of high-speed centrifugal fan, the present invention especially relates to a kind of gas, oily combination seal isolator.
Background technique
In prior art, labyrinth sealing is usually used to realize lubricant oil in high-speed centrifugal fan and compressed-air actuated sealing.Because axle journal is straight, be not fine to lubricant oil and compressed-air actuated isolation effect.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, providing a kind of can strengthen pressurized air and the seal isolation effect of lubricant oil, the gas that structure is simple, processing cost is low, oily combination seal isolator.
According to technological scheme provided by the invention, described gas, oily combination seal isolator, comprise rotating shaft, oil seal circle, airtight seal and gear housing, axis of rotation is arranged in gear housing, the cylindrical of rotating shaft is provided be set in distance first gear oil ring, second gear oil ring with get rid of compression ring, gear housing is fixed with oil seal circle, airtight seal, gear housing offers 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 is integrally connected in the inner circle of oil seal circle body, the inner circle of oil cage ring embeds between first gear oil ring and second gear oil ring, the inner circle of oil cage ring and first gear oil ring, the cylindrical contact of the rotating shaft between second gear oil ring, oil, the inner circle of gas cage ring embeds second gear oil ring and gets rid of between compression ring, oil, between gas cage ring and second gear oil ring, there is gap, oil, gas cage ring and get rid of between compression ring there is gap, the inner circle embedding of airtight seal is got 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.
Described oil, gap width between gas cage ring and second gear oil ring are 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.
The inner circle of oily cage ring is connected with ringwise grease baffle, the direction of this grease baffle from cylindrical to inner circle reduces setting gradually in thickness.
The inner circle of airtight seal is connected be set in distance and for annular airtight plate, the inner circle of airtight plate contacts with the cylindrical of rotating shaft, rotating shaft cylindrical near impeller mounting end is connected with the seal ring be set in distance, and part airtight plate and seal ring misplace and to put plugging.
Structure of the present invention is simple, compact, reasonable, low cost of manufacture, and the high-speed centrifugal fan that the present invention is adapted at all specifications uses; The present invention can realize the seal isolation effect to pressurized air and lubricant oil, is conducive to cutting down finished cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
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, the cylindrical of rotating shaft 1 is provided be set in distance first gear oil ring 1.1, second gear oil ring 1.2 with get rid of compression ring 1.3, gear housing 4 is fixed with oil seal circle 2, airtight seal 3, gear housing 4 offers 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 is integrally connected in the inner circle of oil seal circle body 2.1, the inner circle of oil cage ring 2.2 embeds between first gear oil ring 1.1 and second gear oil ring 1.2, the inner circle of oil cage ring 2.2 and first gear oil ring 1.1, the cylindrical contact of the rotating shaft 1 between second gear oil ring 1.2, oil, the inner circle of gas cage ring 2.3 embeds second gear oil ring 1.2 and gets rid of between compression ring 1.3, oil, between gas cage ring 2.3 and second gear oil ring 1.2, there is gap, oil, gas cage ring 2.3 and get rid of between compression ring 1.3 there is gap, the inner circle embedding of airtight seal 3 is got rid of between the impeller mounting end of compression ring 1.3 and rotating shaft 1, and rotating shaft 1, gear housing 4 and oily cage ring 2.2 surround the first oil back chamber 5, 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.
Described oil, gap width between gas cage ring 2.3 and second gear oil ring 1.2 are 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.
The inner circle of oily cage ring 2.2 is connected with ringwise grease baffle 2.4, this grease baffle 2.4 direction from cylindrical to inner circle reduces setting gradually in thickness.
The inner circle of airtight seal 3 is connected 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, rotating shaft 1 cylindrical near impeller mounting end is connected with the seal ring 1.4 be set in distance, and part airtight plate 3.1 and seal ring 1.4 misplace and to put plugging.
When blower fan operates, rotating shaft 1 rotation, and drive the first gear oil ring 1.1 on it, second gear oil ring 1.2 and get rid of compression ring 1.3 rotation.Lubricant oil completes after lubrication flow goes out bearing 8, and the part first gear oil ring 1.1 be machined on axle journal 1 gets rid of to the first oil back chamber 5, and remainder grease baffle is got rid of to the second oil back chamber 6 by second gear oil ring 1.2 after slowing down.Partial shrinkage air flows into along the gap between impeller 9 and gear housing 4, the seal ring 1.4 of airtight plate in airtight seal 3 3.1 and rotating shaft 1, to slow down in the dentation gap of slotting formation and after step-down, is got rid of compression ring and to be got rid of to air collecting chamber 7 by vent 4.1 towards ambient atmosphere.
Claims (3)
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), the cylindrical of rotating shaft (1) is provided be set in distance first gear oil ring (1.1), second gear oil ring (1.2) with get rid of compression ring (1.3), gear housing (4) is fixed with oil seal circle (2), airtight seal (3), gear housing (4) offers vent (4.1); Described oil seal circle (2) comprises oil seal circle body (2.1), oily cage ring (2.2) and oil, gas cage ring (2.3), oil cage ring (2.2) is set in distance with oil, gas cage ring (2.3) and is integrally connected in the inner circle of oil seal circle body (2.1), the inner circle of oil cage ring (2.2) embeds between first gear oil ring (1.1) and second gear oil ring (1.2), and the inner circle of oily cage ring (2.2) contacts with the cylindrical of the rotating shaft (1) between first gear oil ring (1.1), second gear oil ring (1.2); 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);
It is characterized in that: the inner circle of oil, gas cage ring (2.3) embeds second gear oil ring (1.2) and gets rid of between compression ring (1.3), oil, between gas cage ring (2.3) and second gear oil ring (1.2), there is gap, oil, gas cage ring (2.3) have gap with getting rid of between compression ring (1.3), and the inner circle embedding of airtight seal (3) is got rid of between the impeller mounting end of compression ring (1.3) and rotating shaft (1);
The inner circle of oily cage ring (2.2) is connected with ringwise grease baffle, the direction of this grease baffle from cylindrical to inner circle reduces setting gradually in thickness;
The inner circle of airtight seal (3) is connected 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), rotating shaft (1) cylindrical near impeller mounting end is connected with the seal ring (1.4) be set in distance, and part airtight plate (3.1) and seal ring (1.4) misplace and to put plugging.
2. as claimed in claim 1 gas, oily combination seal isolator, is characterized in that: described oil, gap width between gas cage ring (2.3) and second gear oil ring (1.2) are 0.8 ~ 1.2mm.
3. gas, oily combination seal isolator as claimed in claim 1, is characterized in that: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240490.2A CN103982661B (en) | 2014-05-30 | 2014-05-30 | Gas, oily combination seal isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240490.2A CN103982661B (en) | 2014-05-30 | 2014-05-30 | Gas, oily combination seal isolator |
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| Publication Number | Publication Date |
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| CN103982661A CN103982661A (en) | 2014-08-13 |
| CN103982661B true CN103982661B (en) | 2016-01-27 |
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| CN201410240490.2A Active CN103982661B (en) | 2014-05-30 | 2014-05-30 | Gas, oily combination seal isolator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240535A (en) * | 2015-09-17 | 2016-01-13 | 中国航空工业集团公司沈阳发动机设计研究所 | Bearing sealing device |
| CN105298905B (en) * | 2015-11-04 | 2017-09-01 | 江苏杰尔科技股份有限公司 | Anti-interference high-speed sealing component |
| CN105257591B (en) * | 2015-11-09 | 2017-11-28 | 江苏杰尔科技股份有限公司 | A kind of impeller installing of single-stage high-speed centrifugal blower |
| CN110242735B (en) * | 2019-06-13 | 2025-01-28 | 南京高精船用设备有限公司 | A high speed gearbox sealing structure |
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| CN2463575Y (en) * | 2000-12-15 | 2001-12-05 | 李新柏 | Inflammable gas explosion-proof fan shaft water sealing device |
| CN102094845A (en) * | 2011-03-07 | 2011-06-15 | 江苏金通灵风机股份有限公司 | Shaft seal device of air compressor |
| CN202789674U (en) * | 2012-09-07 | 2013-03-13 | 中国石油化工股份有限公司 | Novel oil seal device for large centrifugal compressor |
| CN202811477U (en) * | 2012-09-02 | 2013-03-20 | 湖北省风机厂有限公司 | Sealing device of coal gas centrifugal blower |
| CN103452897A (en) * | 2013-09-22 | 2013-12-18 | 无锡杰尔压缩机有限公司 | Modified air seal structure |
| CN203926772U (en) * | 2014-05-30 | 2014-11-05 | 无锡杰尔压缩机有限公司 | Gas, oily combination seal isolator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2193698C2 (en) * | 2000-08-21 | 2002-11-27 | Общество с ограниченной ответственностью Научно-исследовательское предприятие "Энерготехнология" | Aerodynamic labyrinth screw sealing |
| EP2444701B1 (en) * | 2009-06-16 | 2020-07-01 | Mitsubishi Hitachi Power Systems, Ltd. | Shaft seal device |
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2014
- 2014-05-30 CN CN201410240490.2A patent/CN103982661B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2463575Y (en) * | 2000-12-15 | 2001-12-05 | 李新柏 | Inflammable gas explosion-proof fan shaft water sealing device |
| CN102094845A (en) * | 2011-03-07 | 2011-06-15 | 江苏金通灵风机股份有限公司 | Shaft seal device of air compressor |
| CN202811477U (en) * | 2012-09-02 | 2013-03-20 | 湖北省风机厂有限公司 | Sealing device of coal gas centrifugal blower |
| CN202789674U (en) * | 2012-09-07 | 2013-03-13 | 中国石油化工股份有限公司 | Novel oil seal device for large centrifugal compressor |
| CN103452897A (en) * | 2013-09-22 | 2013-12-18 | 无锡杰尔压缩机有限公司 | Modified air seal structure |
| CN203926772U (en) * | 2014-05-30 | 2014-11-05 | 无锡杰尔压缩机有限公司 | Gas, oily combination seal isolator |
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| Publication number | Publication date |
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| CN103982661A (en) | 2014-08-13 |
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| PB01 | Publication | ||
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Address after: 214106 No. 38, Qian Lian Road, Xishan Economic Development Zone, Xishan District, Jiangsu, Wuxi Patentee after: JIANGSU GL-TURBO CORPORATION Address before: 214101 Jiangsu Province, Wuxi city Xishan District of Xishan Economic Development Zone in three Furong Road No. 99 building six room 507 zuiun Patentee before: Wuxi Jieer Compressor Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Air and oil combined sealing isolator Effective date of registration: 20180327 Granted publication date: 20160127 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Wuxi, Xishan branch Pledgor: JIANGSU GL-TURBO CORPORATION Registration number: 2018990000233 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201014 Granted publication date: 20160127 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Xishan branch Pledgor: GL-TURBO LLC Registration number: 2018990000233 |