CN110566672B - Dual-drive container type mechanical sealing device - Google Patents
Dual-drive container type mechanical sealing device Download PDFInfo
- Publication number
- CN110566672B CN110566672B CN201910947158.2A CN201910947158A CN110566672B CN 110566672 B CN110566672 B CN 110566672B CN 201910947158 A CN201910947158 A CN 201910947158A CN 110566672 B CN110566672 B CN 110566672B
- Authority
- CN
- China
- Prior art keywords
- ring
- shaft sleeve
- sealing
- sleeved
- shaft
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 94
- 210000004907 gland Anatomy 0.000 claims abstract description 19
- 230000009977 dual effect Effects 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
-
- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention discloses a double-drive container type mechanical sealing device, which comprises: the first shaft sleeve, the second shaft sleeve, the sealing box body, the kettle opening flange and the sealing gland are arranged at one end of the first shaft sleeve, a first stationary ring, a first movable ring, a first spring abutted with the first movable ring and a first spring seat for installing the first spring are arranged at one end of the first shaft sleeve, the first movable ring and the first spring seat are sleeved on the second shaft sleeve, the sealing box body is sleeved outside the first shaft sleeve and the second shaft sleeve, a second stationary ring, a second movable ring, a second spring abutted with the second movable ring and a second spring seat for installing the second spring are arranged between the sealing box body and the first shaft sleeve, the second spring seat is sleeved on the first shaft sleeve, the kettle opening flange is fixedly connected with the end part of the sealing box body, the sealing pressure cover is sleeved on the second shaft sleeve, and the sealing pressure cover is fixedly connected with the other end part of the sealing box body; through setting up first axle sleeve and second axle sleeve to reach the purpose that realizes the dual rotation speed drive of reation kettle coplanar.
Description
Technical Field
The invention relates to a mechanical sealing device, in particular to a double-drive integrated mechanical sealing device.
Background
The mechanical seal is a shaft seal device of a rotary machine. Such as centrifugal pumps, centrifuges, kettles, compressors and the like. Since the drive shaft extends through the device inside and outside the device, so that a circumferential gap exists between the shaft and the device, through which gap the medium in the device leaks outwards, a shaft seal arrangement is necessary which prevents leakage.
In some reaction kettles, two rotating speeds are needed to run at the same position, and the existing sealing device can not well meet the requirements.
Disclosure of Invention
In order to solve the technical problems, the invention provides a double-drive integrated mechanical sealing device so as to achieve the purpose of realizing double-rotation-speed drive of the same position of a reaction kettle.
In order to achieve the above purpose, the technical scheme of the invention is as follows: a dual drive cartridge mechanical seal device, the device comprising: the sealing device comprises a first shaft sleeve, a second shaft sleeve, a sealing box body, a kettle opening flange and a sealing gland, wherein one end of the first shaft sleeve is provided with a first static ring, a first moving ring matched with the first static ring, a first spring abutted with the first moving ring and a first spring seat for installing the first spring, the first moving ring and the first spring seat are sleeved on the second shaft sleeve, the sealing box body is sleeved outside the first shaft sleeve and the second shaft sleeve, a second static ring, a second moving ring matched with the second static ring, a second spring abutted with the second moving ring and a second spring seat for installing the second spring are arranged between the sealing box body and the first shaft sleeve, the kettle opening flange is sleeved on the first shaft sleeve, the kettle opening flange is fixedly connected with the end part of the sealing box body, the sealing gland is sleeved on the second shaft sleeve, and the sealing gland is fixedly connected with the other end part of the sealing box body.
Compared with the prior art, the application realizes double driving effect by arranging the first shaft sleeve and the second shaft sleeve, has high cost performance and convenient installation, and has good sealing performance during installation and use.
Further, one end of the first shaft sleeve far away from the second shaft sleeve is sleeved with a driving ring, one end of the second shaft sleeve far away from the first shaft sleeve is sleeved with a clamping ring, the driving ring is favorable for connecting the first shaft sleeve with a shaft, and the clamping ring is favorable for connecting the second shaft sleeve with the shaft.
Further, the clamping ring comprises an upper clamping ring and a lower clamping ring, and the upper clamping ring and the lower clamping ring are fixedly connected through bolts.
Further, a static ring sealing ring is arranged between the first shaft sleeve and the first static ring, and is a 0-shaped ring, so that the sealing effect of the device is effectively improved.
Further, a movable ring sealing ring is arranged between the first movable ring and the second sleeve, and is a 0-shaped ring, so that the sealing effect of the device is effectively improved.
Further, the first shaft sleeve is sleeved with the first shaft elastic retainer ring, the first shaft elastic retainer ring is used for fixing the second spring seat, the second shaft sleeve is sleeved with the second shaft elastic retainer ring, the second shaft elastic retainer ring is used for fixing the first spring seat, the first shaft elastic retainer ring effectively limits the axial movement of the second spring seat on the first shaft sleeve, the second shaft elastic retainer ring effectively limits the axial movement of the first spring seat on the second shaft sleeve, and the stability of the device structure is effectively improved.
Further, a box sealing ring is arranged between the kettle opening flange and the sealing box body, and a gland sealing ring is arranged between the sealing gland and the sealing box body.
Further, the first shaft sleeve is sleeved with a first positioning card, the first positioning card is used for fixing the kettle opening flange, the second shaft sleeve is sleeved with a second positioning card, the second positioning card is used for fixing the positioning gland, and the first positioning card and the second positioning card are fixing components at two ends of the sealing device.
Further, a framework oil seal is arranged between the sealing gland and the second sleeve, so that sealing is effectively performed.
The invention has the following advantages:
(1) According to the invention, the double-rotating-speed driving effect of the same position of the reaction kettle is effectively realized by arranging the first shaft sleeve and the second shaft sleeve.
(2) The invention can achieve good sealing effect through the sealing component sleeved on the first shaft sleeve and the sealing component sleeved on the second shaft sleeve, and has simple and stable structure and convenient installation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic diagram of a dual-drive cartridge type mechanical seal device according to an embodiment of the present invention;
Corresponding part names are indicated by numerals and letters in the drawings:
1. a first sleeve; 2. a second sleeve; 3. sealing the box body; 4.a kettle opening flange; 5. a sealing gland; 6. a first stationary ring; 7. a first moving ring; 8. a first spring; 9. a first spring seat; 10. a second stationary ring; 11. a second moving ring; 12. a second spring seat; 13. a second spring; 14. a drive ring; 15. a clamping ring; 16. a stationary ring seal ring; 17. a moving ring seal ring; 18. a circlip for the first shaft; 19. a circlip is used for the second shaft; 20. a box sealing ring; 21. pressing a sealing ring; 22. a first positioning card; 23. a second positioning card; 24. and (5) a framework oil seal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides a double-drive integrated mechanical sealing device, which is based on the principle that the purpose of realizing double-rotation-speed drive at the same position of a reaction kettle is achieved by arranging a first shaft sleeve and a second shaft sleeve.
The present invention will be described in further detail with reference to examples and embodiments.
As shown in fig. 1, a dual drive cartridge type mechanical seal device, the device comprising: the sealing device comprises a first shaft sleeve 1, a second shaft sleeve 2, a sealing box body 3, a kettle mouth flange 4 and a sealing gland 5, wherein one end of the first shaft sleeve 1 is provided with a first static ring 6, a first moving ring 7 matched with the first static ring 6, a first spring 8 abutted with the first moving ring 7 and a first spring seat 9 used for installing the first spring 8, the first moving ring 7 and the first spring seat 9 are sleeved on the second shaft sleeve 2, the sealing box body 3 is sleeved outside the first shaft sleeve 1 and the second shaft sleeve 2, a second static ring 10, a second moving ring 11 matched with the second static ring 10, a second spring 13 abutted with the second moving ring 11 and a second spring seat 12 used for installing the second spring 13 are arranged between the sealing box body 3 and the first shaft sleeve 1, the kettle mouth flange 4 is sleeved on the first shaft sleeve 1, the kettle mouth flange 4 is fixedly connected with the end part of the sealing box body 3, the sealing box body 2 is sleeved on the sealing box body 5, and the sealing box body 3 is fixedly connected with the other end part of the sealing box body 3.
The first shaft sleeve 1 is connected with the hollow transmission shaft for driving, the second shaft sleeve 2 is connected with the solid transmission shaft for driving, and the sealing box body 3 is provided with a sealing liquid inlet, a sealing liquid outlet, a cooling water inlet and a cooling water outlet.
Compared with the prior art, the double-drive mechanism has the advantages that the double-drive effect is realized by arranging the first shaft sleeve 1 and the second shaft sleeve 2, the cost performance is high, the installation is convenient, and the sealing performance is good when the double-drive mechanism is installed and used.
One end of the first shaft sleeve 1 far away from the second shaft sleeve 2 is sleeved with a driving ring 14, one end of the second shaft sleeve 2 far away from the first shaft sleeve 1 is sleeved with a clamping ring 15, the driving ring 14 is favorable for connecting the first shaft sleeve 1 with a shaft, the clamping ring 15 is favorable for connecting the second shaft sleeve 2 with the shaft, and the driving ring 14 is fixed on the first shaft sleeve 1 through a fastening screw.
The clamping ring 15 comprises an upper clamping ring and a lower clamping ring, and the upper clamping ring and the lower clamping ring are fixedly connected through bolts.
The sealing device is characterized in that a static ring sealing ring 16 is arranged between the first shaft sleeve 1 and the first static ring 6, and the static ring sealing ring 16 is an O-shaped ring, so that the sealing effect of the device is effectively improved.
And a movable ring sealing ring 17 is arranged between the first movable ring 7 and the second sleeve 2, and the movable ring sealing ring 17 is an O-shaped ring, so that the sealing effect of the device is effectively improved.
The first shaft sleeve 1 is sleeved with a first shaft elastic retainer ring 18, the first shaft elastic retainer ring 18 is used for fixing the second spring seat 12, the second shaft sleeve 2 is sleeved with a second shaft elastic retainer ring 19, the second shaft elastic retainer ring 19 is used for fixing the first spring seat 9, the first shaft elastic retainer ring 18 effectively limits axial movement of the second spring seat 12 on the first shaft sleeve 1, and the second shaft elastic retainer ring 19 effectively limits axial movement of the first spring seat 9 on the second shaft sleeve 2, so that the stability of the device structure is effectively improved.
The first shaft sleeve 1 is provided with a groove for installing the first shaft circlip 18, and the second shaft sleeve 2 is provided with a groove for installing the second shaft circlip 19.
The kettle mouth flange comprises a kettle mouth flange body, a sealing box body and a sealing cover, wherein a box body sealing ring 20 is arranged between the kettle mouth flange body 4 and the sealing box body 3, a sealing cover sealing ring 21 is arranged between the sealing cover 5 and the sealing box body 3, and the box body sealing ring 20 and the sealing cover sealing ring 21 are 0-shaped rings.
The first shaft sleeve 1 is sleeved with a first positioning card 22, the first positioning card 22 is used for fixing the kettle opening flange 4, the second shaft sleeve 2 is sleeved with a second positioning card 23, the second positioning card 23 is used for fixing a positioning gland, and the first positioning card 22 and the second positioning card 23 are fixing assemblies at two ends of the sealing device and are fixed through screws.
Wherein, be provided with skeleton oil blanket 24 between gland 5 and the second collar 2, effectually seal. The mechanical seal has reasonable structure, realizes double driving effects, has high cost performance, is convenient to install, and has good sealing performance when in installation and use.
The foregoing is merely illustrative of the preferred embodiment of a dual drive cartridge type mechanical seal disclosed herein, and it should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept, which would fall within the scope of the present invention.
Claims (6)
1. A dual drive cartridge mechanical seal device, the device comprising: the device comprises a first shaft sleeve, a second shaft sleeve, a sealing box body, a kettle opening flange and a sealing gland, wherein one end of the first shaft sleeve is provided with a first stationary ring, a first movable ring matched with the first stationary ring, a first spring abutted with the first movable ring and a first spring seat for installing the first spring, the first movable ring and the first spring seat are sleeved on the second shaft sleeve, the sealing box body is sleeved outside the first shaft sleeve and the second shaft sleeve, a second stationary ring, a second movable ring matched with the second stationary ring, a second spring abutted with the second movable ring and a second spring seat for installing the second spring are arranged between the sealing box body and the first shaft sleeve, the second spring seat is sleeved on the first shaft sleeve, the kettle opening flange is fixedly connected with the end part of the sealing box body, the sealing gland is sleeved on the second shaft sleeve, and the sealing gland is fixedly connected with the other end part of the sealing box body;
A driving ring is sleeved at one end, far away from the second shaft sleeve, of the first shaft sleeve, and a clamping ring is sleeved at one end, far away from the first shaft sleeve, of the second shaft sleeve;
the clamping ring comprises a clamping upper ring and a clamping lower ring, and the clamping upper ring is fixedly connected with the clamping lower ring through bolts;
and a static ring sealing ring is arranged between the first shaft sleeve and the first static ring.
2. The dual drive cartridge type mechanical seal device of claim 1, wherein a moving ring seal is disposed between the first moving ring and the second sleeve.
3. The dual drive integrated mechanical seal device of claim 1, wherein the first bushing is sleeved with a first shaft circlip, the first shaft circlip is used for fixing a second spring seat, the second bushing is sleeved with a second shaft circlip, and the second shaft circlip is used for fixing the first spring seat.
4. The dual drive cartridge type mechanical seal device of claim 1, wherein a tank sealing ring is arranged between the kettle opening flange and the sealing tank, and a gland sealing ring is arranged between the sealing gland and the sealing tank.
5. The dual-drive container type mechanical sealing device according to claim 1, wherein a first positioning card is sleeved on the first shaft sleeve and used for fixing a kettle opening flange, and a second positioning card is sleeved on the second shaft sleeve and used for fixing a positioning gland.
6. The dual drive cartridge type mechanical seal device of claim 1, wherein a skeletal oil seal is provided between the seal gland and the second sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947158.2A CN110566672B (en) | 2019-09-30 | 2019-09-30 | Dual-drive container type mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947158.2A CN110566672B (en) | 2019-09-30 | 2019-09-30 | Dual-drive container type mechanical sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110566672A CN110566672A (en) | 2019-12-13 |
| CN110566672B true CN110566672B (en) | 2024-10-18 |
Family
ID=68783893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910947158.2A Active CN110566672B (en) | 2019-09-30 | 2019-09-30 | Dual-drive container type mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566672B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352727A (en) * | 2020-10-13 | 2022-04-15 | 化大兰天密封技术（天津）有限公司 | Mechanical sealing device for polymer reaction kettle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202151559U (en) * | 2011-07-11 | 2012-02-29 | 东台市新街纺织机械厂 | Low-consumption and pressure-resistant seal structure of double-speed size mixing barrel |
| CN110259951A (en) * | 2019-06-06 | 2019-09-20 | 密友集团有限公司 | Modularized sealing device with whole small rack |
| CN210715952U (en) * | 2019-09-30 | 2020-06-09 | 密友集团有限公司 | Dual-drive integrated mechanical sealing device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0065646A1 (en) * | 1981-05-21 | 1982-12-01 | Dieter Kupka | Mechanical seal |
| JPH10151333A (en) * | 1996-11-20 | 1998-06-09 | Kobe Steel Ltd | Dust stop device for internal mixer |
| CN202398335U (en) * | 2011-12-31 | 2012-08-29 | 安琪酵母（伊犁）有限公司 | Shaft sleeve assembly and stirrer with same |
| CN204985729U (en) * | 2015-07-15 | 2016-01-20 | 福斯流体控制（苏州）有限公司 | High leakproofness corrodes operating mode biax high speed mixer by force |
| CN205244398U (en) * | 2015-12-22 | 2016-05-18 | 四川丹罗斯环保科技有限公司 | Condensate pump mechanical seal |
| CN205386426U (en) * | 2016-02-22 | 2016-07-20 | 上海诚兴机械电子有限公司 | Three coaxial sleeve agitating unit |
| CN207034181U (en) * | 2017-07-19 | 2018-02-23 | 江苏华青流体科技有限公司 | A kind of stirrer mechanical seal device of detectable leakage |
| CN208764328U (en) * | 2018-08-13 | 2019-04-19 | 宁波东联密封件有限公司 | Containerization type |
-
2019
- 2019-09-30 CN CN201910947158.2A patent/CN110566672B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202151559U (en) * | 2011-07-11 | 2012-02-29 | 东台市新街纺织机械厂 | Low-consumption and pressure-resistant seal structure of double-speed size mixing barrel |
| CN110259951A (en) * | 2019-06-06 | 2019-09-20 | 密友集团有限公司 | Modularized sealing device with whole small rack |
| CN210715952U (en) * | 2019-09-30 | 2020-06-09 | 密友集团有限公司 | Dual-drive integrated mechanical sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110566672A (en) | 2019-12-13 |
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