CN108561558A - A kind of double mechanical seal - Google Patents
A kind of double mechanical seal Download PDFInfo
- Publication number
- CN108561558A CN108561558A CN201810753416.9A CN201810753416A CN108561558A CN 108561558 A CN108561558 A CN 108561558A CN 201810753416 A CN201810753416 A CN 201810753416A CN 108561558 A CN108561558 A CN 108561558A
- Authority
- CN
- China
- Prior art keywords
- mechanical seal
- external sealing
- ring support
- area
- double mechanical
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 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
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
-
- 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
- F16J15/3464—Mounting of the seal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention discloses a kind of double mechanical seals, including being threaded into mouth and radiating area, the outside for being threaded into mouth is enclosed with rotating ring support, and the inside of rotating ring support is provided with heat insulation, it is mounted with seal area on the inside of the heat insulation, and the upper end of seal area is fixed with ball, the radiating area is fixed on the right side of seal area, and the upper end of radiating area is provided with silent piece, silent piece of the upper end is connected together and has external sealing, and the upper end of external sealing is provided with limited block, the external right side lower end sealed is provided with clamping block, and assembly tool is connected on the inside of clamping block.Double mechanical seal is arranged in the double mechanical seal, mechanical seal is set not damaged because of temperature is excessively high and feed blocking, a set of mechanically-sealing apparatus is installed additional again on the basis of conventional mechanical seal, it is set to re-form a confined space after completely cutting off with material, mechanical seal will produce high temperature exothermic when running at high speed.
Description
Technical field
The present invention relates to technical field of mechanical, specially a kind of double mechanical seal.
Background technology
Mechanical seal refer to by it is at least a pair of perpendicular to the end face of rotation axis Fluid pressure and compensation mechanism elastic force (or
Magnetic force) under the action of and the cooperation of auxiliary seal under keep be bonded and constituted with respect to sliding prevent fluid leak dress
It sets, mechanical seal is the equipment such as a kind of gland seal device of rotating machinery, such as centrifugal pump, centrifuge, reaction kettle and compressor.
Mechanical seal in the market will produce high temperature exothermic when running at high speed, and be easily damaged, and there is usually one machineries
Sealing device, the imperfect problem of heat dissipation effect, for this purpose, it is proposed that a kind of double mechanical seal.
Invention content
The purpose of the present invention is to provide a kind of double mechanical seals, to solve market mentioned above in the background art
On mechanical seal when running at high speed, will produce high temperature exothermic, be easily damaged, there is usually one mechanically-sealing apparatus, dissipate
The imperfect problem of thermal effect.
To achieve the above object, the present invention provides the following technical solutions：A kind of double mechanical seal, including be threaded into
Mouth and radiating area, the outside for being threaded into mouth is enclosed with rotating ring support, and the inside of rotating ring support is provided with heat insulation, institute
It states and is mounted with seal area on the inside of heat insulation, and the upper end of seal area is fixed with ball, the radiating area is fixed on seal area
Right side, and the upper end of radiating area is provided with silent piece, silent piece of the upper end, which is connected together, external sealing, and external sealing
Upper end be provided with limited block, the external right side lower end sealed is provided with clamping block, and dress is connected on the inside of clamping block
With tool, the external inside sealed is equipped with fixing bolt, and the right side lower end of fixing bolt is provided with stopper, described
The right side of outside sealing is provided with stationary ring, and stationary ring support is mounted on the right side of stationary ring, and the inside of the stationary ring support is provided with
Fixed block.
Preferably, it is fitted closely on the left of the right side of the rotating ring support and heat insulation, and rotating ring support and heat insulation are logical
It crosses and is formed by welding integral structure.
Preferably, the radiating area constitutes snap-in structure, and external sealing and silent piece by silent piece and outside sealing
Between size match.
Preferably, the center line between the clamping block about assembly tool is mutually symmetrical with, and the shape between clamping block
Size matches.
Preferably, the fixing bolt is extended vertically through in the inside of outside sealing, and fixing bolt is constituted with external sealing
Bascule.
Preferably, the stationary ring support constitutes bascule with fixed block, and fixed block is elliptical shape.
Compared with prior art, the beneficial effects of the invention are as follows：Double mechanical seal is arranged in the double mechanical seal,
So that mechanical seal is not damaged because of temperature is excessively high and feed blocking, one is installed additional again on the basis of conventional mechanical seal
Mechanically-sealing apparatus is covered, so that it is re-formed a confined space after completely cutting off with material, mechanical seal can be produced when running at high speed
Raw high temperature exothermic, is easily damaged, using the device, adds circulating chilled water to cool down in another confined space, rotating ring and stationary ring are not
It can generate heat, to improve service life, rotating ring and the special driven Design of stationary ring, its occupied space smaller, complete machine axis be made to shorten, carry
The rigidity of high axis, to reach raising overall performance.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the left side structure schematic view of the present invention；
Fig. 3 is the right side structure schematic view of the present invention.
In figure：1, it is threaded into mouth；2, rotating ring supports；3, heat insulation；4, seal area；5, ball；6, external sealing；7, it limits
Position block；8, radiating area；9, silent piece；10, clamping block；11, assembly tool；12, fixing bolt；13, stopper；14, stationary ring branch
Support；15, fixed block；16, stationary ring.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of double mechanical seal, including it is threaded into mouth
1, rotating ring support 2, heat insulation 3, seal area 4, ball 5, external sealing 6, limited block 7, radiating area 8, silent piece 9, clamping block 10,
Assembly tool 11, fixing bolt 12, stopper 13, stationary ring support 14, fixed block 15 and stationary ring 16, are threaded into the outside of mouth 1
It is enclosed with rotating ring support 2, and the inside of rotating ring support 2 is provided with heat insulation 3, the left side on the right side and heat insulation 3 of rotating ring support 2
It fits closely, and rotating ring support 2 and heat insulation 3 can will be threaded into mouth 1 and inside by being formed by welding integral structure
It is tightly connected engaging, rotating ring support 2 is made to be fitted closely with inner sealing, the inside of heat insulation 3 is mounted with seal area 4, and seals
The upper end in area 4 is fixed with ball 5, and radiating area 8 is fixed on the right side of seal area 4, and the upper end of radiating area 8 is provided with silent piece 9,
Radiating area 8 constitutes snap-in structure, and the size kissing between external sealing 6 and silent piece 9 by silent piece 9 and external sealing 6
It closes, is confined space in seal area 4 and radiating area 8, adds circulating chilled water to cool down, so that rotating ring and stationary ring 16 is not generated heat, to carry
High service life, silent piece 9 of upper end, which is connected together, external sealing 6, and the upper end of external sealing 6 is provided with limited block 7, outside
The right side lower end of portion's sealing 6 is provided with clamping block 10, and the inside of clamping block 10 is connected with assembly tool 11, between clamping block 10
Center line about assembly tool 11 is mutually symmetrical with, and the geomery between clamping block 10 matches, between clamping block 10
Assembly tool 11 can be very good to clamp the o type rings of inner sealing, to improve its obturation effect, the inside of outside sealing 6
Fixing bolt 12 is installed, and the right side lower end of fixing bolt 12 is provided with stopper 13, fixing bolt 12 is extended vertically through in outer
Portion seals 6 inside, and fixing bolt 12 constitutes bascules with external sealing 6, can run through fixing bolt 12 and be connected to
Outside sealing 6, to make to be connected and fixed between external sealing 6 and stationary ring 16, the right side of outside sealing 6 is provided with stationary ring 16, and
The right side of stationary ring 16 is mounted with stationary ring support 14, and the inside of stationary ring support 14 is provided with fixed block 15, and stationary ring supports 14 and fixes
The composition bascule of block 15, and fixed block 15 is elliptical shape, preferably fixing card can share stationary ring support 14 and fix
Position between block 15.
Operation principle：For a kind of this double mechanical seal, it will be threaded into mouth 1 and internal sealed connection card first
It closes, rotating ring support 2 is made to be fitted closely with inner sealing, heat insulation 3 can be very good isolation rotating ring support 2 and be run in whole device
When the heat that generates, seal area 4 and ball 5 are connected together, is confined space in seal area 4 and radiating area 8, adds circulating chilled water
Cooling, makes rotating ring and stationary ring 16 not to generate heat, to improve service life, 16 special driven Design of rotating ring and stationary ring makes it account for
With space smaller, complete machine axis shortens, and improves the rigidity of axis, and to reach raising overall performance, stationary ring support 14 passes through fixed block
Position is completely embedded between 15 and inner sealing, by fixing bolt 12 through external sealing 6 is connected to, to make external sealing 6
It being connected and fixed between stationary ring 16, the assembly tool 11 between clamping block 10 can be very good to clamp the o type rings of inner sealing,
To improve its obturation effect, the use process of entire double mechanical seal is completed like this.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of double mechanical seal, including it is threaded into mouth (1) and radiating area (8), it is characterised in that：It is described to be threaded into
The outside of mouth (1) is enclosed with rotating ring support (2), and is provided with heat insulation (3), the heat insulation (3) on the inside of rotating ring support (2)
Inside be mounted with seal area (4), and the upper end of seal area (4) is fixed with ball (5), and the radiating area (8) is fixed on sealing
The right side in area (4), and the upper end of radiating area (8) is provided with silent piece (9), the upper end of silent piece (9), which is connected together, to be had outside
Portion seals (6), and the upper end of external sealing (6) is provided with limited block (7), and the right side lower end of the external sealing (6) is provided with
Clamping block (10), and assembly tool (11) is connected on the inside of clamping block (10), the inside of the external sealing (6) is equipped with admittedly
Determine bolt (12), and the right side lower end of fixing bolt (12) is provided with stopper (13), the right side setting of the external sealing (6)
There is stationary ring (16), and be mounted with stationary ring support (14) on the right side of stationary ring (16), is provided on the inside of the stationary ring support (14) solid
Determine block (15).
2. a kind of double mechanical seal according to claim 1, it is characterised in that：The right side of the rotating ring support (2)
It is fitted closely on the left of heat insulation (3), and rotating ring support (2) and heat insulation (3) are by being formed by welding integral structure.
3. a kind of double mechanical seal according to claim 1, it is characterised in that：The radiating area (8) is by silent
Block (9) constitutes snap-in structure with external sealing (6), and external sealing (6) matches with the size between silent piece (9).
4. a kind of double mechanical seal according to claim 1, it is characterised in that：Between the clamping block (10) about
The center line of assembly tool (11) is mutually symmetrical with, and the geomery between clamping block (10) matches.
5. a kind of double mechanical seal according to claim 1, it is characterised in that：The fixing bolt (12) is vertically passed through
It is through at the inside of external sealing (6), and fixing bolt (12) constitutes bascule with external sealing (6).
6. a kind of double mechanical seal according to claim 1, it is characterised in that：The stationary ring supports (14) and fixes
Block (15) constitutes bascule, and fixed block (15) is elliptical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810753416.9A CN108561558A (en) | 2018-07-10 | 2018-07-10 | A kind of double mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810753416.9A CN108561558A (en) | 2018-07-10 | 2018-07-10 | A kind of double mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561558A true CN108561558A (en) | 2018-09-21 |
Family
ID=63555760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810753416.9A Pending CN108561558A (en) | 2018-07-10 | 2018-07-10 | A kind of double mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561558A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692342A (en) * | 2020-07-17 | 2020-09-22 | 无锡三和重工机械有限公司 | High-precision spiral mechanical sealing device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5938205A (en) * | 1997-08-18 | 1999-08-17 | A.W. Chesterton Company | Method and apparatus for optimizing barrier fluid flow for promoting cool running of a cartridge dual seal |
| US20020060430A1 (en) * | 2000-11-14 | 2002-05-23 | Yoshiaki Takigahira | Tandem seal |
| EP1420196A2 (en) * | 2002-11-14 | 2004-05-19 | M.E.F. Financing Establishment | Barrier pressure seal with pump function |
| WO2012079765A1 (en) * | 2010-12-17 | 2012-06-21 | Eagleburgmann Germany Gmbh & Co. Kg | Slide ring seal with a pressure device |
| US20120187636A1 (en) * | 2009-10-02 | 2012-07-26 | Eagle Industry Co., Ltd. | Mechanical Seal Device |
| CN204783807U (en) * | 2015-07-02 | 2015-11-18 | 鸿浩泵业有限公司 | Modified bi -polar face collection dress formula mechanical seal |
| CN206092970U (en) * | 2016-07-12 | 2017-04-12 | 江苏益通流体科技有限公司 | Low frictional heat mechanism is sealed |
| CN206161241U (en) * | 2016-10-26 | 2017-05-10 | 中国石油大学(华东) | Sealing load adjustable non -contact mechanical seal lets out leakage quantity measuring device |
| CN208565565U (en) * | 2018-07-10 | 2019-03-01 | 拉法泵业科技（宁波）有限公司 | A kind of double mechanical seal |
-
2018
- 2018-07-10 CN CN201810753416.9A patent/CN108561558A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5938205A (en) * | 1997-08-18 | 1999-08-17 | A.W. Chesterton Company | Method and apparatus for optimizing barrier fluid flow for promoting cool running of a cartridge dual seal |
| US20020060430A1 (en) * | 2000-11-14 | 2002-05-23 | Yoshiaki Takigahira | Tandem seal |
| EP1420196A2 (en) * | 2002-11-14 | 2004-05-19 | M.E.F. Financing Establishment | Barrier pressure seal with pump function |
| US20120187636A1 (en) * | 2009-10-02 | 2012-07-26 | Eagle Industry Co., Ltd. | Mechanical Seal Device |
| WO2012079765A1 (en) * | 2010-12-17 | 2012-06-21 | Eagleburgmann Germany Gmbh & Co. Kg | Slide ring seal with a pressure device |
| CN204783807U (en) * | 2015-07-02 | 2015-11-18 | 鸿浩泵业有限公司 | Modified bi -polar face collection dress formula mechanical seal |
| CN206092970U (en) * | 2016-07-12 | 2017-04-12 | 江苏益通流体科技有限公司 | Low frictional heat mechanism is sealed |
| CN206161241U (en) * | 2016-10-26 | 2017-05-10 | 中国石油大学(华东) | Sealing load adjustable non -contact mechanical seal lets out leakage quantity measuring device |
| CN208565565U (en) * | 2018-07-10 | 2019-03-01 | 拉法泵业科技（宁波）有限公司 | A kind of double mechanical seal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692342A (en) * | 2020-07-17 | 2020-09-22 | 无锡三和重工机械有限公司 | High-precision spiral mechanical sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180921 |
|
| WD01 | Invention patent application deemed withdrawn after publication |