CN206159490U - Single -ended face spring mechanical seal device - Google Patents
Single -ended face spring mechanical seal device Download PDFInfo
- Publication number
- CN206159490U CN206159490U CN201620972954.3U CN201620972954U CN206159490U CN 206159490 U CN206159490 U CN 206159490U CN 201620972954 U CN201620972954 U CN 201620972954U CN 206159490 U CN206159490 U CN 206159490U
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- Prior art keywords
- ring
- spring
- gland
- axle sleeve
- sealing
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Abstract
The utility model provides a single -ended face spring mechanical seal device, quiet ring sealing washer is installed on the gland with quiet ring, and the gland seal pad glues on the gland, and the axle sleeve sealing washer is installed on the axle sleeve, and sealing ring and spring mounting are on the rotating ring, and rotating ring integral erection is on the axle sleeve, install the gland sub -assembly on the axle sleeve sub -assembly, transmission ring is installed on the axle sleeve, and on holding screw installed the transmission ring, limiting plate and screw connection linked together axle sleeve subassembly and gland subassembly through the limiting plate, and closely the laminating is together for spring force that the terminal surface of rotating ring and the terminal surface of quiet ring pass through the spring. This device adopts single -ended face spring design and multi -spring balanced type revolution mechanic, and compensation performance is good, and it is little that terminal surface load is influenced by the chamber pressure evenly simultaneously, uses pressure range wide, the spring is external, and spring element does not contact with the medium, a whole set of sealed outside limiting plate location and the automatic centering structure of adopting, easy installation, install in the occasion radial, that axial space is very little, guarantee mechanical seal operating condition's stability.
Description
Technical field
The utility model is related to a kind of mechanically-sealing apparatus, more particularly to a kind of single end face spring mechanical sealing device.
Background technology
In current petrochemical industry, chemical industry, or corrosion and scaling good for clean lubricity, coking and containing miscellaneous on a small quantity
Matter（Fluid in pump）Pump sealing meet that to be arranged on the radially, axially very little occasion in space more and more universal simultaneously.At this
In the case of kind, the situation of traditional single mechanical end face seal application can not meet above-mentioned requirements, and this novel single-end is devised for this
Diaphragm flexures packaging mechanical seal.Install more convenient, it is to avoid the problems such as error and bad seals are caused in installation process, this is new
Type single end face spring mechanical is sealed into overall packaging type, is directly installed on pump, is automatically positioned by limiting plate, nothing
Need to be adjusted.
The content of the invention
For the defect of traditional single-end surface mechanical sealing device, the utility model provides a kind of mechanical seal is used for clean profit
Slip is good or corrosion and scaling, coking and containing a small amount of impurity（Fluid in pump）Pump sealing, while meet be arranged on radially,
The very little occasion of axial space, is automatically positioned by limiting plate, without the need for a kind of novel single-end diaphragm flexures being adjusted
Mechanically-sealing apparatus.
Solving the particular technique measure taken of above-mentioned technical problem is：
A kind of single end face spring mechanical sealing device, it is characterised in that:Stationary ring sealing ring 12 is arranged on stationary ring 4 afterwards again
On gland 2, the sealing of gland packing 13 is adhesive on gland 2；Sleeve sealing circle 10 is arranged on the sealing ring of axle sleeve 1
In groove, seal ring of moving ring 11 is arranged in the seal groove of rotating ring 3, and spring 9 is arranged in the spring eye of rotating ring 3, the overall peace of rotating ring 3
It is mounted on axle sleeve 1；By the gland sub-assembly being made up of gland 2, stationary ring 4, stationary ring sealing ring 12, gland packing 13 be arranged on by
On the sleeve combination part that axle sleeve 1, rotating ring 3, spring 9, sleeve sealing circle 10, seal ring of moving ring 11 are constituted, transmission ring 5 is by transmission
Screw 7 be arranged on axle sleeve 1 it is cylindrical on, holding screw 14 is installed on transmission ring 5, and limiting plate 6 is connected with screw 8, by limit
Position plate 6 links together sleeve assembly with gland component, the spring force that the end face of rotating ring 3 passes through spring 9 with the end face of stationary ring 4
It is brought into close contact together.
The beneficial effects of the utility model：The utility model is standardized designs, and installation dimension meets ANSI and DIN techniques
Pump standard；Using the sealing structure form of holding screw transmitting torque, transmission effect is safe and reliable;It is compensatory using many springs
Can be good, face loading is uniform, while with excellent tracing ability;Balanced type is designed（Balanced mechanical seal refers to that loading coefficient is little
In 1 mechanical seal）, affected less by chamber pressure, it is suitable for pressure limit wide；Spring adopts external, flexible member not with medium
Contact, prevents flexible member from being blocked by impurity, and spring loses bullet causes seal failure；Designed using packaging, ensure seal operation shape
The accuracy of state, it is quick and easy for installation；Overall mechanical seal is positioned, it is ensured that self-centering using outside positioning by limiting plate
Structure, eliminates artificial alignment error;A kind of gland bolt centre bore milling strip, specification mechanical seal is adapted to many type of pump；
For clean lubricity to be good or corrosion and scaling, coking and containing a small amount of impurity（Fluid in pump）Pump sealing;For clean Jie
Matter, friction pair using soft to hard (plumbago ------ carbon SiClx, tungsten carbide), for impure, fouling, crystallization medium, adopt by friction pair
With soft to hard (silicon carbide-carbon SiClx, tungsten carbide-tungsten carbide);Installed in the very little occasion in radially, axially space, machinery is close
Envelope display advantage performance is projected, it is ensured that the stability of mechanical seal working condition.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is installment state schematic diagram of the present utility model；
Fig. 4 is the left view of Fig. 3；
In figure：Axle sleeve 1, gland 2, rotating ring 3, stationary ring 4, transmission ring 5, limiting plate 6, transmission screw 7, screw 8, spring 9,
Sleeve sealing circle 10, seal ring of moving ring 11, stationary ring sealing ring 12, gland packing 13, holding screw 14, bolt 15, nut 16.
Specific embodiment
The utility model is elaborated below in conjunction with the accompanying drawings.
A kind of single end face spring mechanical sealing device, as shown in Figures 1 to 4, stationary ring sealing ring 12 be arranged on stationary ring 4 on it
It is arranged on again afterwards on gland 2, by connection between stationary ring 4 and gland 2 and to leakage point between it interference of stationary ring sealing ring 12 is passed through
Amount sealing, the sealing of gland packing 13 is adhesive on gland 2；Sleeve sealing circle 10 is arranged in the seal groove of axle sleeve 1, axle
Leakage point is sealed by the magnitude of interference of sleeve sealing circle 10 between set and axle；Seal ring of moving ring 11 is arranged in the seal groove of rotating ring 3,
Spring 9 is arranged in the spring eye of rotating ring 3, and the integral installation of rotating ring 3 is on axle sleeve 1；Rotating ring 3 and the geo-stationary of axle sleeve 1, anti-rotation spiral shell
Nail 15 plays safety and stability anti-rotation, and leakage point is sealed by the magnitude of interference of seal ring of moving ring 11 between them.It is above-mentioned install after,
The gland sub-assembly being made up of gland 2, stationary ring 4, stationary ring sealing ring 12 is arranged on into close by axle sleeve 1, rotating ring 3, spring 9, axle sleeve
On the sleeve combination part that seal 10, seal ring of moving ring 11 are constituted, transmission ring 5 is arranged on the cylindrical of axle sleeve 1 by transmission screw 7
On, limiting plate 6 is connected with screw 8, and sleeve assembly is linked together with gland component by limiting plate 6, forms overall packaging
Formula sealing structure, it is ensured that self-centering, eliminates artificial alignment error;Holding screw 14 is installed on transmission ring 5, and packaging machinery is close
Envelope is with axle by the transmitting torque of holding screw 14, and transmission effect is safe and reliable；The end face of rotating ring 3 passes through bullet with the end face of stationary ring 4
The spring force of spring 9 is brought into close contact together, leaks dot encapsulation to it by selecting suitable face pressure, it is ensured that mechanical seal is permanent
Stable operation.
Shown in Fig. 2, by gland bolt centre bore milling strip, a kind of specification mechanical seal is adapted to many type of pump.
Shown in Fig. 3 and Fig. 4, packaging mechanical seal is linked together by bolt 15 and nut 16 with pump chamber, without the need for adjusting
Decrement, it is to avoid the problems such as error and bad seals are caused in installation process, it is quick and easy for installation.
According to different working conditions, metalwork selects the materials such as 2Cr13,304,316；Spring 3 is using 304,316, Kazakhstan
The materials such as alloy C；Rotating ring 3, stationary ring 4 are using materials such as graphite, carborundum, tungsten carbides；Different according to material, use range is wide.
The utility model is using the design of single-ended diaphragm flexures and many spring balancing type rotational structures, and many spring-compensating performances are good,
Face loading is uniform, while with excellent tracing ability;Balanced type is designed（Balanced mechanical seal refers to that loading coefficient is less than 1
Mechanical seal）, affected less by chamber pressure, it is suitable for pressure limit wide；Spring adopts external, flexible member not to contact with medium,
Prevent flexible member from being blocked by impurity, spring loses bullet causes seal failure；Designed using packaging, ensure the standard of seal operation state
Really property, quick and easy for installation；Installation dimension meets ANSI and DIN technique pump standards, is suitable for the radially, axially very little field in space
Close；A whole set of mechanical seal is using outside limiting plate positioning, it is ensured that self-centering structure, eliminates artificial alignment error；For cleaning
Lubricity is good or corrosion and scaling, coking and containing a small amount of impurity（Fluid in pump）Pump sealing.
Claims (1)
1. a kind of single end face spring mechanical sealing device, it is characterised in that:Stationary ring sealing ring（12）Installed in stationary ring（4）After upper
Gland is arranged on again（2）On, gland packing（13）Gland is adhesive in sealing（2）On；Sleeve sealing circle（10）Installed in axle
Set（1）Seal groove in, seal ring of moving ring（11）Installed in rotating ring（3）Seal groove in, spring（9）Installed in rotating ring（3）
Spring eye in, rotating ring（3）Integral installation is in axle sleeve（1）On；Will be by gland（2）, stationary ring（4）, stationary ring sealing ring（12）, gland
Sealing gasket（13）The gland sub-assembly of composition is arranged on by axle sleeve（1）, rotating ring（3）, spring（9）, sleeve sealing circle（10）, rotating ring
Sealing ring（11）On the sleeve combination part of composition, transmission ring（5）By being driven screw（7）Installed in axle sleeve（1）It is cylindrical on, tightly
Determine screw（14）It is installed to transmission ring（5）On, limiting plate（6）With screw（8）Connection, by limiting plate（6）By sleeve assembly with
Gland component links together, rotating ring（3）End face and stationary ring（4）End face pass through spring（9）Spring force be fitted tightly over
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620972954.3U CN206159490U (en) | 2016-08-30 | 2016-08-30 | Single -ended face spring mechanical seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620972954.3U CN206159490U (en) | 2016-08-30 | 2016-08-30 | Single -ended face spring mechanical seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206159490U true CN206159490U (en) | 2017-05-10 |
Family
ID=58649593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620972954.3U Active CN206159490U (en) | 2016-08-30 | 2016-08-30 | Single -ended face spring mechanical seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206159490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228563A (en) * | 2020-10-29 | 2021-01-15 | 丹东市东升石化设备有限公司 | Wave spring protection type blade surface integrated mechanical sealing device |
-
2016
- 2016-08-30 CN CN201620972954.3U patent/CN206159490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228563A (en) * | 2020-10-29 | 2021-01-15 | 丹东市东升石化设备有限公司 | Wave spring protection type blade surface integrated mechanical sealing device |
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