CN203348544U - Double-end-face sealing device - Google Patents
Double-end-face sealing device Download PDFInfo
- Publication number
- CN203348544U CN203348544U CN 201320348324 CN201320348324U CN203348544U CN 203348544 U CN203348544 U CN 203348544U CN 201320348324 CN201320348324 CN 201320348324 CN 201320348324 U CN201320348324 U CN 201320348324U CN 203348544 U CN203348544 U CN 203348544U
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- Prior art keywords
- ring
- spring
- sealing
- double
- stationary ring
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- Expired - Fee Related
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Abstract
The utility model discloses a double-end-face sealing device. The double-end-face sealing device comprises a shaft sleeve, a sealing base, a medium end rotation ring, a medium end static ring, an air end static ring, an air end rotation ring, a spring base, a medium end sealing structure and a rotation type structure, wherein the spring base, the air end static ring and the air end rotation ring are arranged inside the sealing base. The medium end sealing structure is of a static type balanced design and comprises the shaft sleeve, a rotation ring, a static ring and a spring. The rotation type structure comprises the spring base, the spring, an air end pushing ring and the static ring. According to the double-end-face sealing device, the space of a sealing cavity is utilized, and therefore the axial dimensions are greatly reduced, and the manufacturing cost of mechanical sealing is greatly lowered.
Description
Technical field
The utility model relates to a kind of mechanical seal device, particularly the shorter double seals device of a kind of axial dimension.
Background technique
At present, the mechanical seal great majority of using on the power plant desulfurization pump are single mechanical end face seals, the band cooling water is arranged and be not with two kinds of mechanical seals of cooling water, mechanical seal with cooling water is generally to adopt outside framework oil seal to seal cooling water, outside framework oil seal generally all only has the working life of 1-3 month in working life, change frequently mechanical seal, have a strong impact on production.If adopt general double mechanical seal, because the diameter of axle of general desulfur pump is all larger, the axial space size is shorter, require that longer axial dimension will be arranged and design general double mechanical seal, so can can't design, enabling design also can increase the cost of mechanical seal greatly, and loses market.And this double mechanical seal is the same length with the single mechanical end face seal axial length, short more a lot of than general double mechanical seal axial dimension, so this mechanical seal can meet the size requirement of pump, reduced again the cost of mechanical seal, this Double End machinery is again the unit loading type design, quick for installation, greatly improved again working life of mechanical seal.In water-deficient area mechanical seal, because of the water source difficulty, and the water consumption of mechanical seal is larger, so be all generally with anhydrous dry-type encapsulated, and have some industrial and mineral temperature higher, concentration of medium is also higher, anhydrously dry-type encapsulatedly can't meet need of production, be that 1-2 month mechanical seal has just damaged general working life, changes frequently mechanical seal, has a strong impact on production.Use the mechanical seal with cooling water to solve this problem, again because of the water source difficulty, and this mechanical seal can make a water tank and fill water, rotarily drives the flow of cooling water of mechanical seal inside by spring seat, produce certain pressure difference, make the water in water tank realize circulation.Thereby guarantee the normal use of mechanical seal.
Summary of the invention
The utility model is for the problem of above-mentioned existence, a kind of double seals device is provided, comprising axle sleeve, sealing seat. media end rotating ring, media end stationary ring, atmosphere end stationary ring, atmosphere end rotating ring, spring seat, media end sealing configuration, rotary structure, wherein spring seat, atmosphere end stationary ring, atmosphere end rotating ring are in sealing seat inside.Described media end sealing configuration is the state type equilibrium structure, comprises axle sleeve, rotating ring, stationary ring, spring.Its medi-spring is static installation, and stationary ring is designed with balance diameter.Rotary mechanism comprises spring seat, spring, atmosphere end throw-out collar, stationary ring.
Its Intermediate shaft sleeve, media end rotating ring, media end stationary ring state type equilibrium structure, spring seat, rotary structure and atmosphere end rotating ring are fixed as an integral body.Sealing seat is positioned at the outside of described integral body.
The beneficial effects of the utility model are: because of the atmosphere end Seal Design in sealing seat inside, utilized the space of Seal cage, thereby greatly shortened axial dimension, greatly reduce the fabricating cost of mechanical seal, machinery is in the situation that normal the use, generally can reach more than 1 year, using water wisely again, cost-saving again.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1. sealing seat, 2. axle sleeve, 3. media end stationary ring, 4. media end rotating ring, 5. spring seat, 6. atmosphere end rotating ring, 7. atmosphere end stationary ring, 8. rotary structure, 9. state type equilibrium structure, 10. atmosphere end throw-out collar.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is further described.
Figure 1 shows that schematic diagram of the present utility model.Centre is axle, and the utility model comprises sealing seat 1, axle sleeve 2, media end stationary ring 3, media end rotating ring 4, spring seat 5, atmosphere end rotating ring 6, atmosphere end stationary ring 7, rotary structure 8, media end sealing configuration, atmosphere end throw-out collar 10.
The media end sealing configuration is state type balanced structure 9, mainly by axle sleeve 2, and the rotating ring (not shown), the stationary ring (not shown), spring forms.Spring is static installation, does not rotate, and can bear better rotating speed, and stationary ring is designed with balance diameter, can bear higher working pressure.The effect of this structure is sealing medium.Between 3 of state type balanced structure 9 and media end stationary rings is the media end throw-out collar.
Rotary mechanism 8 is mainly by spring seat 5, spring, and atmosphere end throw-out collar 10, the stationary ring (not shown) forms, and structure is relatively simple, and the effect in this device is the sealing cooling water.Spring will rotate with axle.
Like this, by axle sleeve 2 rotations, 5 rotations of band flexible spring seat, make the certain pressure of mechanical seal internal cooling water generates, thereby make the water of water tank realize circulation, makes mechanical seal cooling, and heat radiation, ensure the normal use of mechanical seal.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are: because of the atmosphere end Seal Design in sealing seat 1 inside, utilize the space of Seal cage, thereby greatly shortened axial dimension, greatly reduced the fabricating cost of mechanical seal, machinery is in the situation that normal the use, generally can reach more than 1 year, using water wisely again, cost-saving again; This double mechanical seal using effect is good, has well solved in water-deficient area mechanical seal the problem that working life is short; Again because media end mechanical seal is the state type equilibrium structure, spring not with medium contact, can bear very high working pressure again, so the mechanical seal of this structure is applied widely.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a double seals device, comprise axle sleeve (2), sealing seat (1). media end rotating ring (4), media end stationary ring (3), atmosphere end stationary ring (7), atmosphere end rotating ring (6), spring seat (5), it is characterized in that: also comprise media end sealing configuration, rotary structure (8), wherein spring seat (5), atmosphere end stationary ring (7), atmosphere end rotating ring (6) are in sealing seat (1) inside.
2. a kind of double seals device as claimed in claim 1, it is characterized in that: described media end sealing configuration is state type equilibrium structure (9), comprises axle sleeve (2), rotating ring, stationary ring, spring.
3. a kind of double seals device as claimed in claim 2, it is characterized in that: the spring of described state type equilibrium structure (9) is static installation.
4. a kind of double seals device as claimed in claim 2, it is characterized in that: described stationary ring is designed with balance diameter.
5. a kind of double seals device as claimed in claim 1, it is characterized in that: rotary mechanism (8) comprises spring seat (5), spring, atmosphere end throw-out collar (10), stationary ring.
6. a kind of double seals device as claimed in claim 1, it is characterized in that: axle sleeve (2), media end rotating ring (4), media end stationary ring (3), state type equilibrium structure (9), spring seat (5), rotary structure (8) and atmosphere end rotating ring (6) are fixed as an integral body.
7. a kind of double seals device as claimed in claim 6, it is characterized in that: described sealing seat (1) is positioned at the outside of described integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320348324 CN203348544U (en) | 2013-05-21 | 2013-06-18 | Double-end-face sealing device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320278521 | 2013-05-21 | ||
| CN201320278521.4 | 2013-05-21 | ||
| CN 201320348324 CN203348544U (en) | 2013-05-21 | 2013-06-18 | Double-end-face sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348544U true CN203348544U (en) | 2013-12-18 |
Family
ID=49132826
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310240824.1A Expired - Fee Related CN103307281B (en) | 2013-05-21 | 2013-06-18 | A kind of double seals device |
| CN 201320348324 Expired - Fee Related CN203348544U (en) | 2013-05-21 | 2013-06-18 | Double-end-face sealing device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310240824.1A Expired - Fee Related CN103307281B (en) | 2013-05-21 | 2013-06-18 | A kind of double seals device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103307281B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307281A (en) * | 2013-05-21 | 2013-09-18 | 自贡市永宏密封件制造有限公司 | Double end face sealing device |
| CN107407422A (en) * | 2015-03-09 | 2017-11-28 | 日本皮拉工业株式会社 | Float ring-like mechanical sealing member |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822766A (en) * | 2015-01-07 | 2016-08-03 | 自贡天锐科技有限公司 | Double-end face mechanical sealing device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2331776Y (en) * | 1997-12-30 | 1999-08-04 | 戴秀美 | External double-shaft-seal structure of centrifugal pump |
| AU747433B2 (en) * | 1998-10-21 | 2002-05-16 | Aesseal Australia Pty Ltd | A seal |
| DE20214529U1 (en) * | 2002-09-19 | 2003-07-03 | Burgmann Dichtungswerke GmbH & Co. KG, 82515 Wolfratshausen | Double-acting sealing arrangements |
| WO2009107440A1 (en) * | 2008-02-25 | 2009-09-03 | イーグル工業株式会社 | Shaft sealing device |
| CN201288819Y (en) * | 2008-10-17 | 2009-08-12 | 四川日机密封件有限公司 | Bidirectional balance mechanical seal device |
| CN201526493U (en) * | 2009-09-22 | 2010-07-14 | 广西玉柴机器股份有限公司 | Water seal for water pump of diesel engine |
| CN202284645U (en) * | 2011-11-13 | 2012-06-27 | 浙江兰天机械密封件有限公司 | Mechanical seal device with simple wash water seal |
| CN202927040U (en) * | 2012-02-16 | 2013-05-08 | 舒恺君 | Basic shaft type popular type double end face packaging mechanical seal device |
| CN103307281B (en) * | 2013-05-21 | 2016-02-17 | 自贡市永宏密封件制造有限公司 | A kind of double seals device |
-
2013
- 2013-06-18 CN CN201310240824.1A patent/CN103307281B/en not_active Expired - Fee Related
- 2013-06-18 CN CN 201320348324 patent/CN203348544U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307281A (en) * | 2013-05-21 | 2013-09-18 | 自贡市永宏密封件制造有限公司 | Double end face sealing device |
| CN107407422A (en) * | 2015-03-09 | 2017-11-28 | 日本皮拉工业株式会社 | Float ring-like mechanical sealing member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103307281B (en) | 2016-02-17 |
| CN103307281A (en) | 2013-09-18 |
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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: 20131218 Termination date: 20160618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |