CN112178193A - Single-end-face antifriction mechanical seal - Google Patents
Single-end-face antifriction mechanical seal Download PDFInfo
- Publication number
- CN112178193A CN112178193A CN202011080196.1A CN202011080196A CN112178193A CN 112178193 A CN112178193 A CN 112178193A CN 202011080196 A CN202011080196 A CN 202011080196A CN 112178193 A CN112178193 A CN 112178193A
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- Prior art keywords
- ring
- rotating
- rotating ring
- mechanical seal
- spring
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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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
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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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention belongs to the technical field of mechanical seal, in particular to a single-end-face antifriction mechanical seal which comprises a rotating shaft, a stationary ring is sleeved outside the rotating shaft, a rotating ring is arranged inside the stationary ring, one end of the rotating ring is positioned outside the stationary ring, the stationary ring is rotationally connected with the rotating ring, a gasket is arranged between the stationary ring and the rotating ring, the gasket is positioned on the rotating ring, the inside of the stationary ring is provided with an adjusting device, one end of the adjusting device is positioned on the rotating ring, the other end of the adjusting device is positioned outside the static ring, the adjusting device positioned inside the static ring is arranged, the spring seat extrudes the spring inside the static ring by rotating the limiting bolt, thereby let rotatory ring extrusion stationary ring, let the gap reduce between two to prevent that the device edge leakage phenomenon from taking place, solved current mechanical seal and taken place the problem that need dismantle just can the maintenance after the edge leakage.
Description
Technical Field
The invention belongs to the technical field of mechanical sealing, and particularly relates to a single-end-face anti-friction mechanical seal.
Background
The mechanical seal is a shaft seal device of a rotating machine; equipment such as centrifugal pumps, centrifuges, reaction kettles, compressors and the like; the transmission shaft penetrates through the inside and outside of the equipment, so that a circumferential gap exists between the shaft and the equipment, a medium in the equipment leaks outwards through the gap, if the pressure in the equipment is lower than the atmospheric pressure, air leaks into the equipment, a shaft seal device for preventing leakage is required, the shaft seal device has a plurality of types, and the mechanical seal is the most important shaft seal mode in the equipment in the world due to the advantages of small leakage amount, long service life and the like. Mechanical seals, also called face seals, are defined in the relevant national standards as follows: "means for preventing fluid leakage, which is composed of at least one pair of end faces perpendicular to the rotation axis, and which are kept in contact and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of the compensating mechanism and the cooperation of the auxiliary seal".
The existing mechanical seal can generate side leakage after being used for a period of time, the side leakage is generated, disassembly and maintenance are needed, and the process is too complicated.
Disclosure of Invention
The invention aims to provide a single-end-face anti-friction mechanical seal, which aims to solve the problem that the existing mechanical seal needs to be disassembled for maintenance after side leakage occurs in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a single end face antifriction mechanical seal comprises a rotating shaft, a static ring is sleeved outside the rotating shaft, the interior of the stationary ring is provided with a rotating ring, one end of the rotating ring is positioned outside the stationary ring, the stationary ring is rotationally connected with the rotating ring, a gasket is arranged between the stationary ring and the rotating ring, the gasket is positioned on the rotating ring, the inside of the stationary ring is provided with an adjusting device, one end of the adjusting device is positioned on the rotating ring, the other end of the adjusting device is positioned outside the static ring, one side of the rotating rod is provided with a fixing component, the fixed component is fixedly connected with the rotating shaft, a rubber ring is arranged between the rotating ring and the fixed component, one side of the fixing component is provided with a fixing bolt, one end of the fixing bolt extends to the inside of the rotating ring, and the fixing component is fixedly connected with the rotating ring through the fixing bolt.
Preferably, a groove is formed in the stationary ring, a convex block is arranged at one end of the rotating ring and located in the groove, and the convex block is connected with the groove in a sliding mode.
Preferably, the adjusting device comprises a limiting bolt and a spring seat, the spring seat is located inside the stationary ring, one end of the limiting bolt is located inside the spring seat, the limiting bolt and the spring seat are connected in a screwing mode through threads, and the other end of the limiting bolt is located outside the stationary ring.
Preferably, the limiting bolt is provided with a limiting block, the stationary ring is internally provided with a clamping groove, the limiting block is located inside the clamping groove, and the clamping groove is connected with the limiting block in a sliding mode.
Preferably, a spring is installed on one side of the spring seat, one end of the spring is located on the rotating ring, and the spring seat is elastically connected with the rotating ring through the spring.
Preferably, one side of the stationary ring, which is far away from the rotating ring, is provided with an anti-rotation pin, and the anti-rotation pin is fixedly connected with the stationary ring.
Compared with the prior art, the invention has the beneficial effects that:
(1) the adjusting device is arranged in the static ring, the spring seat extrudes the spring in the static ring by rotating the limiting bolt, so that the static ring is extruded by the rotating ring, a gap between the two static rings is reduced, the side leakage phenomenon of the device is prevented, and the problem that the traditional mechanical seal needs to be disassembled to be maintained after side leakage occurs is solved.
(2) The invention is provided with the gasket positioned between the rotating ring and the stationary ring, and through the mutual matching of the gasket and the spring, the side leakage of the liquid in the rotating ring is avoided when the rotating ring moves back and forth on the stationary ring, and meanwhile, the rotating ring is enabled to rotate quickly on the stationary ring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an external view of the present invention;
FIG. 3 is a schematic view of the spring seat and a stop bolt of the present invention;
in the figure: 1-a rotating shaft; 2-a card slot; 3-a spring seat; 4-a spring; 5-a regulating device; 6-groove; 7-fixing the bolt; 8-a fixed component; 9-rubber ring; 10-a rotating ring; 11-a bump; 12-a gasket; 13-a stationary ring; 14-a limiting block; 15-a limit bolt; 16-anti-rotation pins.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a single-end-face antifriction mechanical seal comprises a rotating shaft 1, a stationary ring 13 is sleeved outside the rotating shaft 1, a rotating ring 10 is arranged inside the stationary ring 13, one end of the rotating ring 10 is positioned outside the stationary ring 13, the stationary ring 13 is rotatably connected with the rotating ring 10, a gasket 12 is arranged between the stationary ring 13 and the rotating ring 10, through the mutual matching of the gasket 12 and a spring 4, the rotating ring 10 avoids the lateral leakage of internal liquid when moving back and forth on the stationary ring 13, meanwhile, the rotating ring 10 rapidly rotates on the stationary ring 13, the gasket 12 is positioned on the rotating ring 10, the gasket 12 is made of wear-resistant and high-temperature-resistant materials, an adjusting device 5 is arranged inside the stationary ring 13, one end of the adjusting device 5 is positioned on the rotating ring 10, the other end of the adjusting device 5 is positioned outside the stationary ring 13, a fixing component 8 is arranged on one side of the rotating rod, and the fixing component 8 is fixedly connected with the, a rubber ring 9 is arranged between the rotating ring 10 and the fixing component 8, a fixing bolt 7 is arranged on one side of the fixing component 8, one end of the fixing bolt 7 extends into the rotating ring 10, and the fixing component 8 and the rotating ring 10 are fixedly connected through the fixing bolt 7.
Further, a groove 6 is formed in the stationary ring 13, a protruding block 11 is arranged at one end of the rotating ring 10, the protruding block 11 is located in the groove 6, and the protruding block 11 is slidably connected with the groove 6.
Specifically, adjusting device 5 includes stop bolt 15 and spring holder 3, spring holder 3 is located the inside of stationary ring 13, stop bolt 15's one end is located the inside of spring holder 3, stop bolt 15 is connected through the screw thread closure with spring holder 3 soon, stop bolt 15's the other end is located the outside of stationary ring 13, let spring holder 3 at the inside extrusion spring 4 of stationary ring 13 through rotatory stop bolt 15, thereby let rotatory ring 10 extrude stationary ring 13, let the gap reduce between two, thereby prevent that the device edge leakage phenomenon from taking place, the problem that just can maintain need be dismantled after having solved current mechanical seal and taking place the edge leakage.
It is worth to explain that, be provided with stopper 14 on the stop bolt 15, draw-in groove 2 has been seted up to the inside of stationary ring 13, and stopper 14 is located the inside of draw-in groove 2, draw-in groove 2 and stopper 14 sliding connection let stop bolt 15 let spring holder 3 round trip movement on stop bolt 15 when the rotation.
Further, a spring 4 is installed on one side of the spring seat 3, one end of the spring 4 is located on the rotating ring 10, and the spring seat 3 is elastically connected with the rotating ring 10 through the spring 4.
Furthermore, an anti-rotation pin 16 is arranged on one side of the stationary ring 13 away from the rotating ring 10, the anti-rotation pin 16 is fixedly connected with the stationary ring 13, and the anti-rotation pin 16 plays a role in preventing the stationary ring 13 from rotating.
The working principle and the using process of the invention are as follows: when the rubber ring fixing device is used, the convex block 11 on the rotating ring 10 is positioned in the groove 6 in the stationary ring 13, the gasket 12 is arranged between the rotating ring 10 and the stationary ring 13, the gasket 12 plays a sealing role when the rotating ring 10 and the stationary ring 13 rotate, the spring seat 3 can extrude the spring 4 by adjusting the limiting bolt 15 on the adjusting device 5, so that the rotating ring 10 is extruded by the spring 4, the connection among the stationary ring 13, the rotating ring 10 and the gasket 12 is tighter, when the limiting bolt 15 rotates, the limiting block 14 slides in the clamping groove 2, the fixing component 8 is fixedly connected with the rotating shaft 1, the rubber ring 9 is clamped on the rotating shaft 1 by the fixing component 6 and the rotating ring 10, and the fixing between the rotating ring 10 and the fixing component 8 is completed by the fixing bolt 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a single-ended face antifriction mechanical seal, includes pivot (1), its characterized in that: the outer portion of the rotating shaft (1) is sleeved with a static ring (13), a rotating ring (10) is arranged inside the static ring (13), one end of the rotating ring (10) is located outside the static ring (13), the static ring (13) is in rotating connection with the rotating ring (10), a gasket (12) is arranged between the static ring (13) and the rotating ring (10), the gasket (12) is located on the rotating ring (10), an adjusting device (5) is installed inside the static ring (13), one end of the adjusting device (5) is located on the rotating ring (10), the other end of the adjusting device (5) is located outside the static ring (13), a fixing component (8) is arranged on one side of the rotating rod, the fixing component (8) is fixedly connected with the rotating shaft (1), and a rubber ring (9) is arranged between the rotating ring (10) and the fixing component (8), one side of the fixing component (8) is provided with a fixing bolt (7), one end of the fixing bolt (7) extends into the rotating ring (10), and the fixing component (8) is fixedly connected with the rotating ring (10) through the fixing bolt (7).
2. A single-ended antifriction mechanical seal in accordance with claim 1 wherein: a groove (6) is formed in the static ring (13), a convex block (11) is arranged at one end of the rotating ring (10), the convex block (11) is located in the groove (6), and the convex block (11) is connected with the groove (6) in a sliding mode.
3. A single-ended antifriction mechanical seal in accordance with claim 1 wherein: adjusting device (5) include stop bolt (15) and spring holder (3), spring holder (3) are located the inside of stationary ring (13), the one end of stop bolt (15) is located the inside of spring holder (3), stop bolt (15) are connected through the screw thread closure with spring holder (3), the other end of stop bolt (15) is located the outside of stationary ring (13).
4. A single-ended anti-friction mechanical seal according to claim 3, wherein: be provided with stopper (14) on spacing bolt (15), draw-in groove (2) have been seted up to the inside of stationary ring (13), stopper (14) are located the inside of draw-in groove (2), draw-in groove (2) and stopper (14) sliding connection.
5. A single-ended anti-friction mechanical seal according to claim 3, wherein: the spring seat is characterized in that a spring (4) is installed on one side of the spring seat (3), one end of the spring (4) is located on the rotating ring (10), and the spring seat (3) is elastically connected with the rotating ring (10) through the spring (4).
6. A single-ended antifriction mechanical seal in accordance with claim 1 wherein: and an anti-rotation pin (16) is arranged on one side of the stationary ring (13) far away from the rotating ring (10), and the anti-rotation pin (16) is fixedly connected with the stationary ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011080196.1A CN112178193A (en) | 2020-10-10 | 2020-10-10 | Single-end-face antifriction mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011080196.1A CN112178193A (en) | 2020-10-10 | 2020-10-10 | Single-end-face antifriction mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112178193A true CN112178193A (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011080196.1A Pending CN112178193A (en) | 2020-10-10 | 2020-10-10 | Single-end-face antifriction mechanical seal |
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| CN (1) | CN112178193A (en) |
Citations (19)
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| CN2911342Y (en) * | 2006-05-29 | 2007-06-13 | 徐建明 | Integrally packed mechanical sealing means |
| CN102369375A (en) * | 2009-10-02 | 2012-03-07 | 伊格尔工业股份有限公司 | Mechanical seal device |
| CN204805540U (en) * | 2015-06-17 | 2015-11-25 | 宁波东联密封件有限公司 | Mechanical seal device for cauldron |
| CN204921988U (en) * | 2015-09-04 | 2015-12-30 | 长春黄金研究院 | Wedge type mechanical seal structure |
| CN205446719U (en) * | 2016-03-29 | 2016-08-10 | 自贡市耐斯特密封件有限公司 | Single -ended face collection dress formula mechanical seal device |
| CN207093774U (en) * | 2017-07-27 | 2018-03-13 | 广州机械科学研究院有限公司 | A kind of divided bearing protects labyrinth gland |
| CN207278886U (en) * | 2017-09-25 | 2018-04-27 | 荆茂盛 | A kind of mechanically-sealing apparatus |
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| CN208237078U (en) * | 2018-05-16 | 2018-12-14 | 苏州科耐迈克低温装备科技有限公司 | conical surface adaptive mechanical sealing device |
| CN109323003A (en) * | 2018-12-22 | 2019-02-12 | 苏州苏密密封科技有限公司 | A kind of complete section fraction dynamic sealing device |
| CN208619672U (en) * | 2018-08-02 | 2019-03-19 | 厦门市申仕达能源科技有限公司 | A kind of mechanical sealing device used for pump |
| CN208919331U (en) * | 2018-09-28 | 2019-05-31 | 安徽安密机械密封有限公司 | A kind of bite type multiple springs mechanical seal |
| CN208935389U (en) * | 2018-09-28 | 2019-06-04 | 安徽安密机械密封有限公司 | A kind of multiple-spring mechanical seal component |
| CN210068940U (en) * | 2019-04-29 | 2020-02-14 | 温州日升密封件制造有限公司 | Mechanical sealing structure |
| CN210196463U (en) * | 2019-07-12 | 2020-03-27 | 常州市武进鸿程汽车配件有限公司 | Water seal convenient to use |
| CN210715956U (en) * | 2019-09-24 | 2020-06-09 | 张家港爱斯诺机械密封有限公司 | Anti-blocking mechanical seal assembly |
| JP2020094650A (en) * | 2018-12-13 | 2020-06-18 | 日本ピラー工業株式会社 | Mechanical seal and its use method |
-
2020
- 2020-10-10 CN CN202011080196.1A patent/CN112178193A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5997049A (en) * | 1997-08-29 | 1999-12-07 | Furon Company | Adjustable leak-tight coupling system |
| CN2911342Y (en) * | 2006-05-29 | 2007-06-13 | 徐建明 | Integrally packed mechanical sealing means |
| CN102369375A (en) * | 2009-10-02 | 2012-03-07 | 伊格尔工业股份有限公司 | Mechanical seal device |
| CN204805540U (en) * | 2015-06-17 | 2015-11-25 | 宁波东联密封件有限公司 | Mechanical seal device for cauldron |
| CN204921988U (en) * | 2015-09-04 | 2015-12-30 | 长春黄金研究院 | Wedge type mechanical seal structure |
| CN205446719U (en) * | 2016-03-29 | 2016-08-10 | 自贡市耐斯特密封件有限公司 | Single -ended face collection dress formula mechanical seal device |
| CN207093774U (en) * | 2017-07-27 | 2018-03-13 | 广州机械科学研究院有限公司 | A kind of divided bearing protects labyrinth gland |
| CN207278886U (en) * | 2017-09-25 | 2018-04-27 | 荆茂盛 | A kind of mechanically-sealing apparatus |
| CN208221115U (en) * | 2018-05-15 | 2018-12-11 | 江西汉诺斯压缩机科技有限公司 | A kind of water lubrication screw air compressor |
| CN208237078U (en) * | 2018-05-16 | 2018-12-14 | 苏州科耐迈克低温装备科技有限公司 | conical surface adaptive mechanical sealing device |
| CN108757749A (en) * | 2018-07-17 | 2018-11-06 | 安徽南方化工泵业有限公司 | A kind of labyrinth oil-sealing arrangement for High-temperature Magnetic Pump bearing housing |
| CN208619672U (en) * | 2018-08-02 | 2019-03-19 | 厦门市申仕达能源科技有限公司 | A kind of mechanical sealing device used for pump |
| CN208919331U (en) * | 2018-09-28 | 2019-05-31 | 安徽安密机械密封有限公司 | A kind of bite type multiple springs mechanical seal |
| CN208935389U (en) * | 2018-09-28 | 2019-06-04 | 安徽安密机械密封有限公司 | A kind of multiple-spring mechanical seal component |
| JP2020094650A (en) * | 2018-12-13 | 2020-06-18 | 日本ピラー工業株式会社 | Mechanical seal and its use method |
| CN109323003A (en) * | 2018-12-22 | 2019-02-12 | 苏州苏密密封科技有限公司 | A kind of complete section fraction dynamic sealing device |
| CN210068940U (en) * | 2019-04-29 | 2020-02-14 | 温州日升密封件制造有限公司 | Mechanical sealing structure |
| CN210196463U (en) * | 2019-07-12 | 2020-03-27 | 常州市武进鸿程汽车配件有限公司 | Water seal convenient to use |
| CN210715956U (en) * | 2019-09-24 | 2020-06-09 | 张家港爱斯诺机械密封有限公司 | Anti-blocking mechanical seal assembly |
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Application publication date: 20210105 |
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