CN204061300U - Stable type high temperature resistance quiet group of mechanical seal device - Google Patents
Stable type high temperature resistance quiet group of mechanical seal device Download PDFInfo
- Publication number
- CN204061300U CN204061300U CN201420491743.9U CN201420491743U CN204061300U CN 204061300 U CN204061300 U CN 204061300U CN 201420491743 U CN201420491743 U CN 201420491743U CN 204061300 U CN204061300 U CN 204061300U
- Authority
- CN
- China
- Prior art keywords
- stationary ring
- pressing plate
- pump shaft
- ring
- mechanical seal
- 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
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Abstract
A kind of stable type high temperature resistance of the utility model quiet group of mechanical seal device, comprise and being set on pump shaft axle sleeve and the rotating ring be fixedly linked with pump shaft axle sleeve, O type circle is provided with between rotating ring and pump shaft, be set in the stationary ring on pump shaft axle sleeve, to be set on pump shaft axle sleeve and the spring seat be fixedly connected on pump housing gland and the spring between rotating ring and spring seat, described rotating ring is engaged on the end face of stationary ring through spring compresses; Pressing plate is provided with outside described stationary ring, the outside of described pressing plate is provided with sagging baffle plate, described stationary ring is positioned at the cavity that pressing plate is formed, two O type circles are provided with between the lower surface of stationary ring and pressing plate upper end, two described O type circles lay respectively in the groove of stationary ring annular setting, and pressing plate and stationary ring radial direction are provided with locking hole.Stationary ring place pressing plate cover, and pressing plate is connected with the pump housing, can effectively prevent stationary ring from being washed away by medium; Adopt two O type circle design between pressing plate and stationary ring, sealing effect is better.Belong to water-tight equipment technical field.
Description
Technical field
The utility model belongs to water-tight equipment technical field, specifically a kind of stable type high temperature resistance quiet group of mechanical seal device.
Background technique
Mechanical seal is the sealed product of a kind of advanced person, it is by pressure medium and spring force, utilize a pair smooth straight and the surface having a fluid film reaches sealing effect, mechanical seal can work under some compare rugged environment, as high speed, high temperature, high pressure, low temperature, poisonous, vacuum, corrosivity, Yi Ran, explosive etc., general sealed product is incompetent, and it has good sealing effect, not wear and tear rotating shaft, the advantages such as long service life, consumed power are little, energy-conservation.
Along with China's industrial development, introduce the manufacturing equipment of a large amount of external complete petrochemical plant and advanced person especially in recent years, bring the engineering goods of large quantities of advanced person into equipment.Standby redundancy supply is progressively domesticized requirement, facilitates the development of mechanical technique.Domestic mechanical seal industry has also introduced some external manufacturing technologies, and in succession establishes Duo Jia mechanical seal joint venture, and these Dou Shi China mechanical seal products all make great progress in design, manufacture, material selection, production scale etc.
The field of mechanical seal device application also becomes more and more wider, such as, mechanical seal device in a kind of application high temperature (temperature reaches 200 DEG C) environment, comprise rotating ring, stationary ring, spring seat and spring, wherein stationary ring is arranged on the pump housing, realizes sealing between stationary ring and the pump housing through O type circle.Due in using process, the pressure of medium changes greatly, and the connection of stationary ring and body only adopts friction tight mode, so the stationary ring of existing seal arrangement is easily washed away by medium; The sealing effect of single O type circle is also poor simultaneously.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of stable type high temperature resistance quiet group of mechanical seal device, and be applicable to hot environment and use, stationary ring stability is high, is not easily flushed away, and the sealing effect simultaneously between stationary ring place and the pump housing is good.
Technical solution adopted in the utility model is: a kind of stable type high temperature resistance quiet group of mechanical seal device, it comprises the mechanical seal device be arranged between pump shaft and the pump housing, this mechanical seal device comprises and being set on pump shaft axle sleeve and the rotating ring be fixedly linked with pump shaft axle sleeve, O type circle is provided with between rotating ring and pump shaft, be set in the stationary ring on pump shaft axle sleeve, to be set on pump shaft axle sleeve and the spring seat be fixedly connected on pump housing gland and the spring between rotating ring and spring seat, described rotating ring is engaged on the end face of stationary ring through spring compresses; Pressing plate is provided with outside described stationary ring, the outside of described pressing plate is provided with sagging baffle plate, described stationary ring is positioned at the cavity that pressing plate is formed, two O type circles are provided with between the lower surface of stationary ring and pressing plate upper end, two described O type circles lay respectively in the groove of stationary ring annular setting, and pressing plate and stationary ring radial direction are provided with locking hole.
Described spring is helical spring.
Described stationary ring adopts leaching antimony graphite to make.
The beneficial effects of the utility model are: a kind of stable type high temperature resistance of the utility model quiet group of mechanical seal device, and stationary ring place pressing plate cover, and pressing plate is connected with the pump housing, can effectively prevent stationary ring from being washed away by medium; Adopt two O type circle design between pressing plate and stationary ring, sealing effect is better.
Described spring is helical spring.Advantage is: helical spring applies end thrust to place, many places on the same face of rotating ring, ensures stationarity during rotating ring axial motion, is conducive to fitting tightly of rotating ring and stationary ring surface of contact.
Described stationary ring adopts leaching antimony graphite to make.Advantage is that antimony stone graphite has high temperature resistant and erosion-resisting characteristic, the surface of contact friction of stationary ring and rotating ring, produces high temperature, adopts antimony stone graphite can ensure the working life of stationary ring.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
Fig. 2 is that the utility model and pump shaft assemble schematic diagram.
In figure, 1, pump shaft, 2, rotating ring, 3, stationary ring, 4, spring seat, 5, helical spring, 6, pressing plate, 6.1, baffle plate, 7, O type circle, 8, locking hole.
Embodiment
Be below the utility model preferred embodiment, but therefore do not limit protection domain of the present utility model.
Shown in Fig. 1-Fig. 2, a kind of stable type high temperature resistance of the utility model quiet group of mechanical seal device, it comprises the mechanical seal device be arranged between pump shaft 1 and the pump housing, this mechanical seal device comprises and being set on pump shaft 1 axle sleeve and the rotating ring 2 be fixedly linked with pump shaft 1 axle sleeve, O type circle 7 is provided with between rotating ring 2 and pump shaft 1, be set in the stationary ring 3 on pump shaft 1 axle sleeve, being set on pump shaft 1 axle sleeve and being fixedly connected on the spring seat 4 on pump housing gland and the spring between rotating ring 2 and spring seat 4, described rotating ring 2 is engaged in through spring compresses on the end face of stationary ring 3; Pressing plate 6 is provided with outside described stationary ring 3, the left and right sides of described pressing plate 6 is provided with sagging baffle plate 6.1, described stationary ring 3 is positioned at the cavity that pressing plate 6 is formed, two O type circles 7 are provided with between the lower surface of stationary ring 3 and pressing plate 6 upper end, two described O type circles 7 lay respectively in the groove of stationary ring 3 annular setting, pressing plate 6 and stationary ring 3 radial direction are provided with locking hole 8, are connected by stationary ring 3 by screw with pressing plate 6.
Described spring is helical spring 5.Advantage is: helical spring 5 applies end thrust to place, many places on the same face of rotating ring, ensures stationarity during rotating ring 2 axial motion, is conducive to fitting tightly of rotating ring 2 and stationary ring 3 surface of contact.
Described stationary ring 3 adopts leaching antimony graphite to make.Advantage is that antimony stone graphite has high temperature resistant and erosion-resisting characteristic, the surface of contact friction of stationary ring 3 and rotating ring 2, produces high temperature, adopts antimony stone graphite can ensure the working life of stationary ring 3.
A kind of stable type high temperature resistance of the utility model quiet group of mechanical seal device, stationary ring 3 place pressing plate 6 covers, and pressing plate 6 is connected with the pump housing, can effectively prevent stationary ring 3 from being washed away by medium; Adopt two O type circle 8 to design between pressing plate 6 and stationary ring 3, sealing effect is better.
Claims (3)
1. a stable type high temperature resistance quiet group of mechanical seal device, it comprises the mechanical seal device be arranged between pump shaft (1) and the pump housing, this mechanical seal device comprises and being set on pump shaft (1) axle sleeve and the rotating ring (2) be fixedly linked with pump shaft (1) axle sleeve, O type circle (7) is provided with between rotating ring (2) and pump shaft (1), be set in the stationary ring (3) on pump shaft (1) axle sleeve, to be set on pump shaft (1) axle sleeve and the spring seat (4) be fixedly connected on pump housing gland and the spring be positioned between rotating ring (2) and spring seat (4), described rotating ring (2) is engaged in through spring compresses on the end face of stationary ring (3), it is characterized in that: outside described stationary ring (3), be provided with pressing plate (6), the outside of described pressing plate (6) is provided with sagging baffle plate (6.1), described stationary ring (3) is positioned at the cavity that pressing plate (6) is formed, two O type circles (7) are provided with between the lower surface of stationary ring (3) and pressing plate (6) upper end, two described O type circles (7) lay respectively in the groove of stationary ring (3) annular setting, and pressing plate (6) and stationary ring (3) radial direction are provided with locking hole (8).
2. stable type high temperature resistance according to claim 1 quiet group of mechanical seal device, is characterized in that: described spring is helical spring (5).
3. stable type high temperature resistance according to claim 1 quiet group of mechanical seal device, is characterized in that: described stationary ring (3) adopts leaching antimony graphite to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491743.9U CN204061300U (en) | 2014-08-25 | 2014-08-25 | Stable type high temperature resistance quiet group of mechanical seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491743.9U CN204061300U (en) | 2014-08-25 | 2014-08-25 | Stable type high temperature resistance quiet group of mechanical seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061300U true CN204061300U (en) | 2014-12-31 |
Family
ID=52202827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420491743.9U Expired - Fee Related CN204061300U (en) | 2014-08-25 | 2014-08-25 | Stable type high temperature resistance quiet group of mechanical seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163098A (en) * | 2018-10-31 | 2019-01-08 | 东莞市华汇精密机械有限公司 | A kind of dry-type mechanical sealing device for prohibiting grease health blender |
-
2014
- 2014-08-25 CN CN201420491743.9U patent/CN204061300U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163098A (en) * | 2018-10-31 | 2019-01-08 | 东莞市华汇精密机械有限公司 | A kind of dry-type mechanical sealing device for prohibiting grease health blender |
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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: 20141231 Termination date: 20180825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |