CN109139925A - A kind of corrugated gasket double mechanical seal part and its processing technology - Google Patents
A kind of corrugated gasket double mechanical seal part and its processing technology Download PDFInfo
- Publication number
- CN109139925A CN109139925A CN201811138331.6A CN201811138331A CN109139925A CN 109139925 A CN109139925 A CN 109139925A CN 201811138331 A CN201811138331 A CN 201811138331A CN 109139925 A CN109139925 A CN 109139925A
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- China
- Prior art keywords
- ring
- throw
- out collar
- gland
- fixed
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Classifications
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of corrugated gasket double mechanical seal part and its processing technologys, including shaft, installation set and gland, the shaft or so end cap is connected to installation set, gland is socketed in installation set described in right end, the gland left end is to being connected to mounting base, the gland inboard is equipped with the first fixed ring, the first stationary ring sealing ring is equipped between first fixed ring and gland, the first stationary ring is equipped on the left of first fixed ring, first stationary ring left end is equipped with the first rotating ring, compared with prior art, the beneficial effects of the present invention are: a kind of corrugated gasket double mechanical seal part of the present invention and its processing technology, pass through corresponding first throw-out collar, first throw-out collar, the design of first fixed ring and the second fixed ring, it can be significantly more efficient to the first stationary ring, second stationary ring, first rotating ring and the second rotating ring are connected and fixed accordingly, phase The structure answered is more stable, can effectively ensure that corresponding leakproofness.
Description
Technical field
The present invention relates to technical field of mechanical, specially a kind of corrugated gasket double mechanical seal part and its processing work
Skill.
Background technique
Mechanical seal refer to by least a pair of end face perpendicular to 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, by
Be applied in inside and outside equipment in transmission shaft, in this way, there are a circumferential clearance between axis and equipment, medium in equipment by should between
Gap leaks out, if pressure is subatmospheric in equipment, air is to equipment internal leakage, it is therefore necessary to have a prevention leakage
Gland seal device.There are many type of axle envelope, since mechanical seal has many advantages, such as that leakage rate is few and the service life is long, so machine in the world
Tool sealing is in the most important sealing mode of these equipment；Mechanical seal is called end face seal, but traditional mechanical seal
It is mostly that corresponding sealing is realized by stationary ring sealing ring corresponding with the frictional fit of rotating ring, corresponding sealing ring can not often have
The sealing effect corresponding with shaft or the close fitting influence of installation set progress of effect, there are corresponding limitations.
Summary of the invention
The purpose of the present invention is to provide a kind of corrugated gasket double mechanical seal parts, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of corrugated gasket double mechanical seal part, including
Shaft, installation set and gland, described shaft or so end cap are connected to installation set, and gland is socketed in installation set described in right end, described
Gland left end is equipped with the first fixed ring, is equipped between first fixed ring and gland to mounting base, the gland inboard is connected to
First stationary ring sealing ring, the first fixed ring left side are equipped with the first stationary ring, and first stationary ring left end is equipped with the first rotating ring, institute
The first rotating ring left end is stated equipped with the first throw-out collar, first throw-out collar left end is fixedly linked by buckling with spring, and the spring is left
End is fixedly linked with the second throw-out collar, and first throw-out collar and the second throw-out collar inboard offer card slot, the card slot inboard difference
It is installed on the first seal ring of moving ring and the second seal ring of moving ring, second throw-out collar left end is equipped with the second rotating ring, and described second is dynamic
Ring left end is equipped with the second stationary ring, and second stationary ring left end is equipped with the second fixed ring, the installation of second fixed ring and upside
The second stationary ring sealing ring is equipped between seat.
Preferably, lug boss being installed on the left of the gland and lug boss fastening with mounting base, the gland passes through pin
Nail is fixedly linked with mounting base.
Preferably, the mounting base inboard offers mounting groove, and the mounting groove inboard is equipped with the first throw-out collar and pushes away with second
Ring.
Preferably, first throw-out collar opens up fluted with the second throw-out collar avris, the groove respectively with the first rotating ring
And second rotating ring be fixed.
Preferably, be equipped on the outside of first throw-out collar and the second throw-out collar cushion, first throw-out collar and the second throw-out collar and
The perpendicular bisector of mounting groove is axisymmetrical distribution.
Preferably, the lower left side of first fixed ring and the lower right side of the second fixed ring offer fixing groove, institute
Fixing groove is stated to be connected with the first stationary ring and the engaging of the second stationary ring respectively.
Preferably, the two sides side end of the mounting groove is equipped with convex block, between first fixed ring and the first throw-out collar,
There are gap between two fixed rings and the second throw-out collar, the convex block is fixed with gap.
A kind of corrugated gasket double mechanical seal part processing technology, specifically comprises the following steps:
S1: standby material: preparing corresponding stainless steel, iron-nickel alloy, graphite, bonding agent, rubber etc. according to corresponding demand, and by its
It successively cleans, putting successively is carried out after cleaning；
S2: the processing of gland and mounting base: the corresponding processing of stainless steel progress is made using the numerically-controlled machine tool of CKD6150I model
Make corresponding gland and mounting base, while opening up corresponding mounting groove in mounting base inboard, cooperates polishing machine pair after completion of processing
It carries out polishing and removes corresponding burr；
S3: the processing of fixed ring and throw-out collar: corresponding again by the processing and manufacturing corresponding to stainless steel progress of CKD6150I lathe
The first fixed ring, the second fixed ring, the first throw-out collar and the second throw-out collar, completion of processing cooperation polishing machine polishing removal is carried out to it
Corresponding burr；
S4: cleaning is smeared: successively using corresponding deionized water, ethyl alcohol to corresponding first fixed ring, the second fixed ring, first
Throw-out collar, the second throw-out collar, gland and mounting base are cleaned accordingly, cleaning finishes dry after successively smear it is corresponding corrosion-resistant
Layer, corresponding anti-corrosion layer thickness are not less than 5um；
S5: rotating ring and stationary ring are processed: iron-nickel alloy, graphite, bonding agent being formed by way of molding, passed through after molding
The machine cut side of producing ring-type iron-nickel alloy ring places it in ring mould and carries out corresponding grinding and produce accordingly
Rotating ring and stationary ring；
S6: assembling: the component in above-mentioned steps is assembled accordingly, and corresponding rubber ring, spring, pin etc. is arranged and constitutes phase
The mechanical sealing assembly answered.
Compared with prior art, the beneficial effects of the present invention are: a kind of corrugated gasket double mechanical seal part of the present invention and
Its processing technology can be more by the design of corresponding first throw-out collar, the first throw-out collar, the first fixed ring and the second fixed ring
Effectively the first stationary ring, the second stationary ring, the first rotating ring and the second rotating ring are connected and fixed accordingly, corresponding structure is more
The stabilization added can effectively ensure that corresponding leakproofness, while corresponding first throw-out collar and the card slot of the second throw-out collar inboard are set
Meter more effectively corresponding with the progress of the second seal ring of moving ring to the first seal ring of moving ring can be clamped, and the spring of middle side is in elastic force
Lower the first throw-out collar for capableing of effective avris of effect and the second throw-out collar are squeezed accordingly, while to the first inboard rotating ring
Sealing ring and the second seal ring of moving ring are squeezed accordingly, enable the first seal ring of moving ring and the second seal ring of moving ring
It is significantly more efficient it is corresponding with shaft progress be bonded, reach better seal effect with secondary, structure novel is easy to operate, has
Very high practicability greatly improves a kind of use functionality of corrugated gasket double mechanical seal part, guarantees that its uses effect
Fruit and utilization benefit are suitble to be widely popularized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of corrugated gasket double mechanical seal part of the present invention；
Fig. 2 is a kind of structural schematic diagram of first throw-out collar of corrugated gasket double mechanical seal part of the present invention.
In figure: 1- shaft, 2- gland, the first stationary ring of 3- sealing ring, 4- installation set, the first fixed ring of 5-, the first stationary ring of 6-,
The first rotating ring of 7-, the first throw-out collar of 8-, the first seal ring of moving ring of 9-, 10- spring, the second seal ring of moving ring of 11-, the second throw-out collar of 12-,
13- mounting groove, the second rotating ring of 14-, the second stationary ring of 15-, 16- mounting base, the second fixed ring of 17-, the second stationary ring of 18- sealing ring,
19- card slot, 20- groove.
Specific embodiment
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 description, 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.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of corrugated gasket double mechanical seal part, including turns
Axis 1, installation set 4 and gland 2,1 or so the end cap of shaft are connected to installation set 4, gland 2 are socketed in installation set 4 described in right end,
To mounting base 16 is connected to, the gland 2 is inboard to be equipped with the first fixed ring 5, first fixed ring 5 and pressure for 2 left end of gland
It is equipped with the first stationary ring sealing ring 3 between lid 2, is equipped with the first stationary ring 6,6 left end of the first stationary ring on the left of first fixed ring 5
Equipped with the first rotating ring 7,7 left end of the first rotating ring is equipped with the first throw-out collar 8, and 8 left end of the first throw-out collar passes through buckle and spring
10 are fixedly linked, and 10 left end of spring is fixedly linked with the second throw-out collar 12, and first throw-out collar 8 and the second throw-out collar 12 are inboard
Offering card slot 19, the card slot 19 is inboard to be installed on the first seal ring of moving ring 9 and the second seal ring of moving ring 11 respectively, and described the
Two throw-out collars, 12 left end is equipped with the second rotating ring 14, and 14 left end of the second rotating ring is equipped with the second stationary ring 15, and second stationary ring 15 is left
End is equipped with the second fixed ring 17, and the second stationary ring sealing ring 18 is equipped between second fixed ring 17 and the mounting base 16 of upside.
Specifically, being installed with lug boss on the left of the gland 2 and lug boss fastens with mounting base 16, the gland 2 is logical
Pin is crossed to be fixedly linked with mounting base 16.
Specifically, 16 inboard of mounting base offers mounting groove 13, the mounting groove 13 is inboard be equipped with the first throw-out collar 8 with
Second throw-out collar 12.
Specifically, first throw-out collar 8 and 12 avris of the second throw-out collar open up fluted 20, the groove 20 is respectively with
One rotating ring 7 and the second rotating ring 14 are fixed.
Specifically, being equipped with cushion on the outside of first throw-out collar 8 and the second throw-out collar 12, first throw-out collar 8 is pushed away with second
The perpendicular bisector of ring 12 and mounting groove 13 is axisymmetrical distribution.
Specifically, the lower right side of the lower left side of first fixed ring 5 and the second fixed ring 17 offers fixing groove,
The fixing groove is connected with the first stationary ring 6 and the engaging of the second stationary ring 15 respectively.
Specifically, the two sides side end of the mounting groove 13 is equipped with convex block, first fixed ring 5 and the first throw-out collar 8 it
Between, between the second fixed ring 17 and the second throw-out collar 12 there are gap, the convex block is fixed with gap.
A kind of corrugated gasket double mechanical seal part processing technology, specifically comprises the following steps:
S1: standby material: preparing corresponding stainless steel, iron-nickel alloy, graphite, bonding agent, rubber etc. according to corresponding demand, and by its
It successively cleans, putting successively is carried out after cleaning；
S2: the processing of gland and mounting base: the corresponding processing of stainless steel progress is made using the numerically-controlled machine tool of CKD6150I model
Make corresponding gland 2 and mounting base 16, while opening up corresponding mounting groove 13 in 16 inboard of mounting base, cooperates after completion of processing and throw
Ray machine carries out polishing to it and removes corresponding burr；
S3: the processing of fixed ring and throw-out collar: corresponding again by the processing and manufacturing corresponding to stainless steel progress of CKD6150I lathe
The first fixed ring 5, the second fixed ring 17, the first throw-out collar 8 and the second throw-out collar 12, completion of processing cooperation polishing machine it is beaten
It grinds off except corresponding burr；
S4: cleaning smear: successively using corresponding deionized water, ethyl alcohol to corresponding first fixed ring 5, the second fixed ring 17,
First throw-out collar 8, the second throw-out collar 12, gland 2 and mounting base 16 are cleaned accordingly, cleaning finish dry after successively smear phase
The anti-corrosion layer answered, corresponding anti-corrosion layer thickness are not less than 5um；
S5: rotating ring and stationary ring are processed: iron-nickel alloy, graphite, bonding agent being formed by way of molding, passed through after molding
The machine cut side of producing ring-type iron-nickel alloy ring places it in ring mould and carries out corresponding grinding and produce accordingly
Rotating ring and stationary ring；
S6: assembling: the component in above-mentioned steps is assembled accordingly, and the composition such as corresponding rubber ring, spring 10, pin is arranged
Corresponding mechanical sealing assembly.
A kind of corrugated gasket double mechanical seal part of the present invention and its processing technology, in use, solid by the first of two sides
Determine the design of ring 5 and the second fixed ring 17, significantly more efficient first stationary ring 6 and the second stationary ring 15 can be blocked accordingly
It closes and fixes, while cooperating the first throw-out collar 8 and the second throw-out collar 12 that can effectively can carry out to the first rotating ring 7 and the second rotating ring 14
Preferably fixed, preventing corresponding deviation influences corresponding sealing effect, while corresponding first throw-out collar 8 and the second throw-out collar
The 12 inboard designs of card slot 19 more effectively can carry out corresponding block with the second seal ring of moving ring 11 to the first seal ring of moving ring 9
It connects, the spring 10 of middle side is capable of the first throw-out collar 8 of effective avris under the action of elastic force and the second throw-out collar 12 carries out accordingly
Extruding, while inboard the first seal ring of moving ring 9 and the second seal ring of moving ring 11 are squeezed accordingly, so that first
Seal ring of moving ring 9 and the second seal ring of moving ring 11 significantly more efficient can carry out with shaft 1 it is corresponding be bonded, reach more preferable with secondary
Sealing effect, have very high practicability, greatly improve a kind of use function of corrugated gasket double mechanical seal part
Property, guarantee its using effect and utilization benefit, is suitble to be widely popularized
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, it is possible to understand that
These embodiments can be carried out with a variety of variations, modification, replacement without departing from the principles and spirit of the present invention and become
Type, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of corrugated gasket double mechanical seal part, including shaft (1), installation set (4) and gland (2), it is characterised in that: institute
It states shaft (1) left and right end cap to be connected to installation set (4), be socketed in installation set (4) described in right end gland (2), the gland (2) is left
To being connected to mounting base (16), the gland (2) is inboard to be equipped with the first fixed ring (5), first fixed ring (5) and gland at end
(2) it is equipped with the first stationary ring sealing ring (3) between, is equipped with the first stationary ring (6) on the left of first fixed ring (5), described first is quiet
Ring (6) left end is equipped with the first rotating ring (7), and the first rotating ring (7) left end is equipped with the first throw-out collar (8), and first throw-out collar (8) is left
End is fixedly linked by buckle with spring (10), and spring (10) left end is fixedly linked with the second throw-out collar (12), and described first
Throw-out collar (8) and the second throw-out collar (12) inboard offer card slot (19), and the card slot (19) is inboard to be installed on the first rotating ring respectively
Sealing ring (9) and the second seal ring of moving ring (11), the second throw-out collar (12) left end are equipped with the second rotating ring (14), and described second is dynamic
Ring (14) left end is equipped with the second stationary ring (15), and the second stationary ring (15) left end is equipped with the second fixed ring (17), and described second is solid
Determine to be equipped with the second stationary ring sealing ring (18) between ring (17) and the mounting base (16) of upside.
2. a kind of corrugated gasket double mechanical seal part according to claim 1, it is characterised in that: the gland (2) is left
Side is installed with lug boss and lug boss fastens with mounting base (16), and the gland (2) is fixed by pin and mounting base (16)
It is connected.
3. a kind of corrugated gasket double mechanical seal part according to claim 1, it is characterised in that: the mounting base (16)
Inboard offers mounting groove (13), and the mounting groove (13) is inboard to be equipped with the first throw-out collar (8) and the second throw-out collar (12).
4. a kind of corrugated gasket double mechanical seal part according to claim 1, it is characterised in that: first throw-out collar
(8) it is opened up fluted (20) with the second throw-out collar (12) avris, the groove (20) is dynamic with the first rotating ring (7) and second respectively
Ring (14) is fixed.
5. a kind of corrugated gasket double mechanical seal part according to claim 1, it is characterised in that: first throw-out collar
(8) be equipped with cushion on the outside of the second throw-out collar (12), in first throw-out collar (8) and the second throw-out collar (12) and mounting groove (13)
Vertical line is axisymmetrical distribution.
6. a kind of corrugated gasket double mechanical seal part according to claim 1, it is characterised in that: first fixed ring
(5) lower right side of lower left side and the second fixed ring (17) offers fixing groove, the fixing groove respectively with the first stationary ring
(6) and the second stationary ring (15) engaging is connected.
7. a kind of corrugated gasket double mechanical seal part as claimed in claim 3, it is characterised in that: the two of the mounting groove (13)
Side end is equipped with convex block, between first fixed ring (5) and the first throw-out collar (8), the second fixed ring (17) and the second throw-out collar
(12) there are gap between, the convex block is fixed with gap.
8. corrugated gasket double mechanical seal part processing technology described in a kind of -7 any one according to claim 1, feature
It is: specifically comprises the following steps:
S1: standby material: preparing corresponding stainless steel, iron-nickel alloy, graphite, bonding agent, rubber etc. according to corresponding demand, and by its
It successively cleans, putting successively is carried out after cleaning；
S2: the processing of gland and mounting base: the corresponding processing of stainless steel progress is made using the numerically-controlled machine tool of CKD6150I model
Make corresponding gland (2) and mounting base (16), while opening up corresponding mounting groove (13), completion of processing in mounting base (16) inboard
Cooperation polishing machine carries out polishing to it and removes corresponding burr afterwards；
S3: the processing of fixed ring and throw-out collar: corresponding again by the processing and manufacturing corresponding to stainless steel progress of CKD6150I lathe
The first fixed ring (5), the second fixed ring (17), the first throw-out collar (8) and the second throw-out collar (12), completion of processing cooperates polishing machine pair
It carries out polishing and removes corresponding burr；
S4: cleaning is smeared: successively using corresponding deionized water, ethyl alcohol to corresponding first fixed ring (5), the second fixed ring
(17), the first throw-out collar (8), the second throw-out collar (12), gland (2) and mounting base (16) are cleaned accordingly, and cleaning, which finishes, dries in the air
Corresponding anti-corrosion layer is successively smeared after dry, corresponding anti-corrosion layer thickness is not less than 5um；
S5: rotating ring and stationary ring are processed: iron-nickel alloy, graphite, bonding agent being formed by way of molding, passed through after molding
The machine cut side of producing ring-type iron-nickel alloy ring places it in ring mould and carries out corresponding grinding and produce accordingly
Rotating ring and stationary ring；
S6: assembling: the component in above-mentioned steps is assembled accordingly, the structures such as corresponding rubber ring, spring (10), pin are arranged
At corresponding mechanical sealing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138331.6A CN109139925A (en) | 2018-09-28 | 2018-09-28 | A kind of corrugated gasket double mechanical seal part and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138331.6A CN109139925A (en) | 2018-09-28 | 2018-09-28 | A kind of corrugated gasket double mechanical seal part and its processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139925A true CN109139925A (en) | 2019-01-04 |
Family
ID=64813137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811138331.6A Pending CN109139925A (en) | 2018-09-28 | 2018-09-28 | A kind of corrugated gasket double mechanical seal part and its processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139925A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003148392A (en) * | 2001-11-16 | 2003-05-21 | Tsurumi Mfg Co Ltd | Cassette type double mechanical seal for electrically- driven pump |
| US20060082069A1 (en) * | 2004-10-14 | 2006-04-20 | Malavazi Vedacoes Industriais Ltda | Bearing-supported mechanical seal for progressive cavity pumps |
| CN101011786A (en) * | 2006-02-01 | 2007-08-08 | 马卫东 | A suit of processing for improving utilization ratio of machinery sealing stainless steel structure member manufacture material |
| CN201297391Y (en) * | 2008-02-02 | 2009-08-26 | 陕西波世特石化机封制造有限公司 | Double-end static compensated welded metal bellows mechanical seal device |
| CN103470527A (en) * | 2013-08-23 | 2013-12-25 | 芜湖市中天密封件有限公司 | Auto-boost mechanical seal for slurry pumps |
| CN203604646U (en) * | 2013-12-03 | 2014-05-21 | 安徽银龙泵阀股份有限公司 | Double-face mechanical seal |
| CN104500391A (en) * | 2014-12-18 | 2015-04-08 | 浙江威隆机械科技有限公司 | Double-end-face integrated packaging washing mechanical seal of rotor pump |
| CN105114626A (en) * | 2015-07-24 | 2015-12-02 | 西华大学 | Mechanical seal device for end face seal ring with controllable bellows seal |
| CN205534231U (en) * | 2015-12-29 | 2016-08-31 | 四川中蓝环保科技有限公司 | Collection dress formula double mechanical seal |
| CN107557852A (en) * | 2017-09-26 | 2018-01-09 | 西北农林科技大学 | A kind of processing method of high polymer material mechanical seal end surface Surface Texture |
| CN207715741U (en) * | 2016-12-12 | 2018-08-10 | 天津市富鑫达密封有限公司 | A kind of shared spring mechanical sealing device used for pump of Double End |
-
2018
- 2018-09-28 CN CN201811138331.6A patent/CN109139925A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003148392A (en) * | 2001-11-16 | 2003-05-21 | Tsurumi Mfg Co Ltd | Cassette type double mechanical seal for electrically- driven pump |
| US20060082069A1 (en) * | 2004-10-14 | 2006-04-20 | Malavazi Vedacoes Industriais Ltda | Bearing-supported mechanical seal for progressive cavity pumps |
| CN101011786A (en) * | 2006-02-01 | 2007-08-08 | 马卫东 | A suit of processing for improving utilization ratio of machinery sealing stainless steel structure member manufacture material |
| CN201297391Y (en) * | 2008-02-02 | 2009-08-26 | 陕西波世特石化机封制造有限公司 | Double-end static compensated welded metal bellows mechanical seal device |
| CN103470527A (en) * | 2013-08-23 | 2013-12-25 | 芜湖市中天密封件有限公司 | Auto-boost mechanical seal for slurry pumps |
| CN203604646U (en) * | 2013-12-03 | 2014-05-21 | 安徽银龙泵阀股份有限公司 | Double-face mechanical seal |
| CN104500391A (en) * | 2014-12-18 | 2015-04-08 | 浙江威隆机械科技有限公司 | Double-end-face integrated packaging washing mechanical seal of rotor pump |
| CN105114626A (en) * | 2015-07-24 | 2015-12-02 | 西华大学 | Mechanical seal device for end face seal ring with controllable bellows seal |
| CN205534231U (en) * | 2015-12-29 | 2016-08-31 | 四川中蓝环保科技有限公司 | Collection dress formula double mechanical seal |
| CN207715741U (en) * | 2016-12-12 | 2018-08-10 | 天津市富鑫达密封有限公司 | A kind of shared spring mechanical sealing device used for pump of Double End |
| CN107557852A (en) * | 2017-09-26 | 2018-01-09 | 西北农林科技大学 | A kind of processing method of high polymer material mechanical seal end surface Surface Texture |
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Application publication date: 20190104 |
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| RJ01 | Rejection of invention patent application after publication |