CN107435740A - A kind of vertical pump mechanical sealing member - Google Patents
A kind of vertical pump mechanical sealing member Download PDFInfo
- Publication number
- CN107435740A CN107435740A CN201710616422.5A CN201710616422A CN107435740A CN 107435740 A CN107435740 A CN 107435740A CN 201710616422 A CN201710616422 A CN 201710616422A CN 107435740 A CN107435740 A CN 107435740A
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- ring
- lasso
- fixedly installed
- rotating ring
- 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 title claims abstract description 34
- 210000004907 gland Anatomy 0.000 claims abstract description 22
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 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
- 230000005540 biological transmission Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of vertical pump mechanical sealing member, including axle sleeve, centring ring, rotating ring, stationary ring, internal gland and outer press cover, the Basolateral of the axle sleeve is fixedly installed centring ring, the outside of the axle sleeve is socketed with rotating ring close to the position of centring ring, the position that the rotating ring is connected with axle sleeve is provided with the first sealing gasket, the outside of the axle sleeve is socketed with stationary ring close to the position of rotating ring, internal gland is fixedly installed on the outside of second lasso, outer press cover is fixedly installed on the outside of first lasso, the one end of the stationary ring away from rotating ring is fixedly installed adapter sleeve, baffle plate is fixedly installed on the outside of the other end of the axle sleeve, the other end of the adapter sleeve is against the inner side of baffle plate.By setting gland pad between interior outer press cover, the junction with stationary ring on the inside of rotating ring is provided with sealing gasket, so that the sealing effectiveness enhancing of seal, reduces the number of its maintenance, it is economical and practical.
Description
Technical field
The present invention relates to mechanical sealing member technical field, specially a kind of vertical pump mechanical sealing member.
Background technology
Mechanical seal refers to by least one pair of perpendicular to the end face of rotation axis in Fluid pressure and compensation mechanism elastic force（Or
Magnetic force）In the presence of and the cooperation of auxiliary seal under keep be bonded and formed with respect to slip prevent fluid leak dress
Put.Elastic force load maintainer and auxiliary seal be metallicity line pipe mechanical seal we be referred to as the wavy metal seal of tube.Light-duty
In sealing, also make auxiliary seal using rubber bellows, rubber bellows elastic force is limited, generally requires and is aided with spring to expire
Foot loading elastic force." mechanical seal " is generally referred to as " machine envelope " by people.Mechanical seal is a kind of axle envelope dress of rotating machinery
Put.Such as the equipment such as centrifugal pump, centrifuge, reactor and compressor.Because power transmission shaft is applied in inside and outside equipment, so, axle with
A circumferential clearance between equipment be present, the medium in equipment is leaked out by the gap, if pressure is less than big in equipment
Air pressure, then air is to equipment internal leakage, it is therefore necessary to has a gland seal device for preventing leakage.
In the prior art there is problems with the mechanical sealing member of vertical pump in use：
1st, sealing effectiveness is poor, is easily damaged, it is necessary to regularly maintaining.
2nd, installation is complicated, it is necessary to connecting use inside vertical pump, influences its popularization.
The content of the invention
It is an object of the invention to provide a kind of vertical pump mechanical sealing member, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：A kind of vertical pump mechanical sealing member, including axle
Set, centring ring, rotating ring, stationary ring, internal gland and outer press cover, the axle sleeve are enclosed on the main shaft of vertical pump, the bottom of the axle sleeve
Outside is fixedly installed centring ring, and the outside of the axle sleeve is socketed with rotating ring, the rotating ring and axle sleeve close to the position of centring ring
The position of connection is provided with the first sealing gasket, and the outside of the axle sleeve is socketed with stationary ring, the stationary ring bag close to the position of rotating ring
The first lasso and the second lasso are included, is flexibly connected between first lasso and the second lasso by multiple springs, described second
One end of lasso is against the side of rotating ring, is fixedly installed internal gland on the outside of second lasso, first lasso it is outer
Side is fixedly installed outer press cover, and the outer press cover is internally provided with groove, and the side of the internal gland is arranged on the recessed of outer press cover
On the inside of groove, the relative position of the internal gland outer press cover is placed with gland pad, one end fixed setting of the stationary ring away from rotating ring
There is adapter sleeve, be fixedly installed baffle plate on the outside of the other end of the axle sleeve, the other end of the adapter sleeve is against the inner side of baffle plate.
Further, U-shaped cavity is offered among the bottom of the axle sleeve, the interior side of the U-shaped cavity, which is fixed, to be set
It is equipped with axle envelope pad.
Further, the end angle of the outer press cover is arranged to fillet.
Further, it is provided with the second sealing gasket between the axle sleeve and adapter sleeve.
Further, institute's spring is arranged to four or six, and it is uniformly distributed between stationary ring.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, by setting gland pad between interior outer press cover, the junction with stationary ring on the inside of rotating ring is provided with sealing gasket, from
And cause the sealing effectiveness enhancing of seal, and it is easy to much time using, reduces the number of its maintenance, it is economical and practical.
2nd, rotating ring and stationary ring and interior outer press cover are arranged on axle sleeve, installation is simple, and precision is high, is easy to promote the use of.
Brief description of the drawings
Fig. 1 is overall structure sectional view of the present invention.
In figure：1- axle sleeves；2- centring rings；3- rotating rings；4- stationary rings；5- internal glands；6- outer press covers；7- adapter sleeves；8- baffle plates；
9-U type cavitys；10- axle envelope pads；The sealing gaskets of 11- first；12- gland pads；The lassos of 13- first；The lassos of 14- second；15- springs；
The sealing gaskets of 16- second.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of vertical pump mechanical sealing member, including it is axle sleeve 1, fixed
Position circle 2, rotating ring 3, stationary ring 4, internal gland 5 and outer press cover 6, the axle sleeve 2 are enclosed on the main shaft of vertical pump, the bottom of the axle sleeve 1
End outside is fixedly installed centring ring 3, and the outside of the axle sleeve 1 is socketed with rotating ring 3, the rotating ring 3 close to the position of centring ring 2
The position being connected with axle sleeve 1 is provided with the first sealing gasket 11, and the outside of the axle sleeve 1 is socketed with stationary ring close to the position of rotating ring 3
4, the stationary ring 4 includes the first lasso 13 and the second lasso 14, by multiple between the lasso 14 of the first lasso 13 and second
Spring 15 is flexibly connected, and one end of second lasso 14 is against the side of rotating ring 3, and the outside of second lasso 14, which is fixed, to be set
Internal gland 5 is equipped with, the outside of first lasso 13 is fixedly installed outer press cover 6, and the outer press cover 6 is internally provided with groove,
The side of the internal gland 5 is arranged on the inside of the groove of outer press cover 6, and the relative position of the outer press cover 6 of internal gland 5 is placed with pressure
Cover Gasket 12, the described one end of stationary ring 4 away from rotating ring 3 are fixedly installed adapter sleeve 7, and the other end outside fixation of the axle sleeve 1 is set
Baffle plate 8 is equipped with, the other end of the adapter sleeve 7 is against the inner side of baffle plate 8.
In order to increase the sealing effectiveness of axle sleeve 1, U-shaped cavity 9, the U-shaped cavity are offered among the bottom of the axle sleeve 1
9 interior side is fixedly installed axle envelope pad 10, and the second sealing gasket 16 is provided between the axle sleeve 1 and adapter sleeve 7.
In order that avoiding the occurrence of scuffing accident during, the end angle of the outer press cover 6 is arranged to fillet.
For the ease of stationary ring 4 is completely embedded, institute's spring 15 is arranged to four or six, and it is equal between stationary ring 4
Even distribution.
Operation principle：Axle sleeve 1 is enclosed on the outside of the main shaft of vertical pump and be used cooperatively, centring ring 3 can facilitate the peace of axle sleeve 1
Dress, with stationary ring 4 between each other with the use of the sealed environment that can guarantee that the inner side of axle sleeve 1, internal gland 5 and outer press cover 6 can have rotating ring 3
Effect is protected to rotating ring 3 and stationary ring 4, and the baffle plate 16 of the end of axle sleeve 1 ensure that the overall stability of stationary ring, axle envelope pad 10,
First sealing gasket 11 and the second sealing gasket 16 are arranged to teflin ring or vulcanie sealing ring, can increase axle sleeve
1 sealing property, it is simple and practical, it is easy to promote.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of vertical pump mechanical sealing member, including axle sleeve（1）, centring ring（2）, rotating ring（3）, stationary ring（4）, internal gland（5）
And outer press cover（6）, the axle sleeve（2）It is enclosed on the main shaft of vertical pump, it is characterised in that：The axle sleeve（1）Basolateral consolidate
Surely it is provided with centring ring（3）, the axle sleeve（1）Outside close to centring ring（2）Position be socketed with rotating ring（3）, the rotating ring
（3）With axle sleeve（1）The position of connection is provided with the first sealing gasket（11）, the axle sleeve（1）Outside close to rotating ring（3）Position
It is socketed with stationary ring（4）, the stationary ring（4）Including the first lasso（13）With the second lasso（14）, first lasso（13）With
Two lassos（14）Between pass through multiple springs（15）It is flexibly connected, second lasso（14）One end be against rotating ring（3）One
Side, second lasso（14）Outside be fixedly installed internal gland（5）, first lasso（13）Outside be fixedly installed
Outer press cover（6）, the outer press cover（6）It is internally provided with groove, the internal gland（5）Side be arranged on outer press cover（6）It is recessed
On the inside of groove, the internal gland（5）Outer press cover（6）Relative position is placed with gland pad（12）, the stationary ring（4）Away from rotating ring
（3）One end be fixedly installed adapter sleeve（7）, the axle sleeve（1）The other end on the outside of be fixedly installed baffle plate（8）, the company
Female connector（7）The other end be against baffle plate（8）Inner side.
A kind of 2. vertical pump mechanical sealing member according to claim 1, it is characterised in that：The axle sleeve（1）Bottom
Centre offers U-shaped cavity（9）, the U-shaped cavity（9）Interior side be fixedly installed axle envelope pad（10）.
A kind of 3. vertical pump mechanical sealing member according to claim 1, it is characterised in that：The outer press cover（6）End
Angle is arranged to fillet.
A kind of 4. vertical pump mechanical sealing member according to claim 1, it is characterised in that：The axle sleeve（1）With being connected
Set（7）Between be provided with the second sealing gasket（16）.
A kind of 5. vertical pump mechanical sealing member according to claim 1, it is characterised in that：Institute's spring（15）It is arranged to four
It is individual or six, and it is in stationary ring（4）Between be uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616422.5A CN107435740A (en) | 2017-07-26 | 2017-07-26 | A kind of vertical pump mechanical sealing member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616422.5A CN107435740A (en) | 2017-07-26 | 2017-07-26 | A kind of vertical pump mechanical sealing member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107435740A true CN107435740A (en) | 2017-12-05 |
Family
ID=60461149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710616422.5A Pending CN107435740A (en) | 2017-07-26 | 2017-07-26 | A kind of vertical pump mechanical sealing member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107435740A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929278Y (en) * | 2006-07-20 | 2007-08-01 | 胡滨 | Boiler slag discharge pump mechanical seal device |
| CN103742652A (en) * | 2013-11-28 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Mechanical sealing structure |
| CN203770194U (en) * | 2014-03-31 | 2014-08-13 | 嘉善嘉格曼机械密封有限公司 | Assembled high-pressure vertical centrifugal pump mechanical seal device with shaft sleeve spring base |
| CN106151523A (en) * | 2016-06-30 | 2016-11-23 | 西安航天动力研究所 | A kind of combined mechanical sealing structure of multistage protection |
| CN205745305U (en) * | 2016-06-07 | 2016-11-30 | 奉化市民联机械密封件有限公司 | Mechanical seal |
| CN106224283A (en) * | 2016-08-25 | 2016-12-14 | 浙江南元泵业有限公司 | Vertical mechanical seal for pump |
-
2017
- 2017-07-26 CN CN201710616422.5A patent/CN107435740A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929278Y (en) * | 2006-07-20 | 2007-08-01 | 胡滨 | Boiler slag discharge pump mechanical seal device |
| CN103742652A (en) * | 2013-11-28 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Mechanical sealing structure |
| CN203770194U (en) * | 2014-03-31 | 2014-08-13 | 嘉善嘉格曼机械密封有限公司 | Assembled high-pressure vertical centrifugal pump mechanical seal device with shaft sleeve spring base |
| CN205745305U (en) * | 2016-06-07 | 2016-11-30 | 奉化市民联机械密封件有限公司 | Mechanical seal |
| CN106151523A (en) * | 2016-06-30 | 2016-11-23 | 西安航天动力研究所 | A kind of combined mechanical sealing structure of multistage protection |
| CN106224283A (en) * | 2016-08-25 | 2016-12-14 | 浙江南元泵业有限公司 | Vertical mechanical seal for pump |
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|---|---|---|---|
| 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: 20171205 |
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| WD01 | Invention patent application deemed withdrawn after publication |