CN108443231A - A kind of novel corrosion-resistant pump - Google Patents
A kind of novel corrosion-resistant pump Download PDFInfo
- Publication number
- CN108443231A CN108443231A CN201810627762.2A CN201810627762A CN108443231A CN 108443231 A CN108443231 A CN 108443231A CN 201810627762 A CN201810627762 A CN 201810627762A CN 108443231 A CN108443231 A CN 108443231A
- Authority
- CN
- China
- Prior art keywords
- hole
- cavity
- oil
- rear end
- axle sleeve
- 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.)
- Granted
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 36
- 238000005260 corrosion Methods 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 70
- 238000005192 partition Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 13
- 239000002826 coolant Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 241000238565 lobster Species 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of novel corrosion-resistant pump, including pump case, holder and motor, impeller is equipped in pump case, impeller includes blade and the axle sleeve in blade rear end is arranged；The holder includes ontology, and drive end bearing bracket, rear end cap are respectively equipped in the front and back ends of ontology；There is a cavity in ontology, and be equipped with inlet opening and oil ga(u)ge hole on the body, inlet opening, oil ga(u)ge hole are connected to cavity, and plug is equipped on inlet opening, oil scale is equipped in oil ga(u)ge hole；Drive end bearing bracket center is equipped with the first axis hole penetrated through with cavity, and rear end cap center is equipped with the mounting hole penetrated through with cavity.The novel corrosion-resistant pump of the present invention, coolant liquid is added in the cavity of holder, ensure in the case that idle running can long time running, parts without burn, without modification, greatly prolong water pump service life, the blank of pump fusing, leakage will be occurred by filling up after the idle running of domestic and international corrosion-resistant pump；In addition, also improving the boosting capability of water pump.
Description
Technical field
The present invention is a kind of novel corrosion-resistant pump.
Background technology
Corrosion-resistant pump is a kind of pump adapting to various different working conditions, such as：Transport acid, lye；Smelting industry etc., this
Kind pump needs while realizing corrosion-resistant, wear-resistant function, this is very high for the structural requirement of corrosion-resistant pump itself.
Existing corrosion-resistant pump generally includes the pump housing, impeller, support casing and motor, is integrally formed on impeller and is equipped with axle sleeve, axis
Set is connect across support casing with machine shaft, and support casing links together the pump housing and motor, and oil sealing is equipped on axle sleeve, described
Oil sealing matches one end adjacent with the pump housing in support casing, avoids the liquid in the pump housing from entering motor, due to the drawing liquid item of corrosion-resistant pump
Part is more special, so, the pump housing, impeller, axle sleeve and the support casing of corrosion-resistant pump are corrosion resistant plastic material.It is working
When, motor impeller runs at high speed, and axle sleeve opposite brackets cover high speed rotation, this generates high temperature between axle sleeve and support casing,
In normal work, there is liquid in the pump housing, can in time cool down to axle sleeve, ensure the normal operation of corrosion-resistant pump, simultaneously
Protect axle sleeve, support casing；But finished if liquid is conveyed, when corrosion-resistant pump is under idling conditions, high-speed rotating axle sleeve
The high temperature generated between support casing, then can slowly melt axle sleeve and support casing is in contact part, cause corrosion-resistant pump cannot be just
It is often used.
Invention content
Technical problem to be solved by the invention is to provide a kind of novel corrosion-resistant pumps, it can be to avoid corrosion-resistant pump in idle running
The case where caused parts are melted extends the service life of corrosion-resistant pump.
In order to solve the above technical problems, a kind of technical solution of novel corrosion-resistant pump of the present invention is：
A kind of novel corrosion-resistant pump, including pump case, holder and motor, are equipped with impeller in the pump case, the impeller include blade with
Axle sleeve in blade rear end is set, and the holder includes ontology, and drive end bearing bracket, rear end cap, institute are respectively equipped in the front and back ends of ontology
It states drive end bearing bracket to connect with pump case rear end, rear end cap connects motor；There is in the ontology cavity, and be equipped on the body into
Fluid apertures, oil ga(u)ge hole, the inlet opening, oil ga(u)ge hole are connected to cavity, and plug is equipped on inlet opening, oil is equipped in oil ga(u)ge hole
Scale；The drive end bearing bracket center is equipped with the first axis hole penetrated through with cavity, and rear end cap center is equipped with the mounting hole penetrated through with cavity,
The inner wall of the cavity is equipped with several boss, and the boss extends to the boundary position between ontology and rear end cap in the axial direction,
Matching is equipped with capping in the mounting hole, and the capping is screwed on boss；The cap central is equipped with the second axis
Hole；The axle sleeve passes through the first axis hole, the second axis hole and extends to mounting hole, and the shaft of motor is plugged in axle sleeve to drive
Wheel rotation；The axle sleeve is equipped with the first oil sealing and the second oil sealing, and the first oil sealing matching is at the first axis hole, the second oil
Envelope matching is at the second axis hole.
The cross section of the boss is semicircle, and is connected by arc transition between boss and cavity inner wall.
The axle sleeve is equipped with sealing auxiliary body, the sealing auxiliary body be in the first oil sealing and the second oil sealing it
Between, including left sealing block, right sealing block and the spring between left sealing block and right sealing block, the left sealing block with it is right
Sealing block is symmetric, and includes the seal head of baffle, rectangular triangle, and the block is matched with spring, two seal heads
The tip endoporus that is in the first oil sealing and the second oil sealing chamfering at；The center-hole diameter of the left sealing block and right sealing block
More than the outer diameter of axle sleeve, and the seal head of left sealing block and right sealing block is flexible material.
The aperture of the mounting hole is more than the internal diameter of cavity, and step, capping fitting are formd between mounting hole and cavity
On step, it is provided with screw hole at boss center, screw passes through the through-hole in capping to be screwed onto in screw hole.
The inlet opening is in the peak of ontology, and is disposed radially.
The free end end face of the drive end bearing bracket is axially outwardly extended with zone center and the annular in zone center periphery
Plug division, in the spliced eye of pump case, the length of the zone center is less than annular plug division, described for annular plug division matching
First axis hole penetrates through the outer end face for extending to zone center；It is connected between the annular plug division inner wall and zone center outer wall several
Circumferentially uniformly distributed partition board forms groove between adjacent two partition boards；The front end face of the annular plug division is equipped with several
Diversion trench, the diversion trench match corresponding partition position.
The least significant end of the rear end cap is equipped with drainage hole, and the drainage hole is penetrated through with mounting hole.
What the present invention can reach has the technical effect that：
Compared with prior art, novel corrosion-resistant of the invention pump fills coolant liquid by inlet opening, and coolant liquid is stored in ontology
In cavity, to which the position between axle sleeve and the first axis hole, the second axis hole is cooled down in time, even if in the idling condition,
Also it can work normally；
Compared with prior art, novel corrosion-resistant of the invention pump, axle sleeve connects machine shaft, and passes through the first axis hole, the second axis
2 points of supports are realized in hole, are more stablized when operating；
Compared with prior art, novel corrosion-resistant of the invention pump, annular plug division plug matching in the spliced eye of pump case so that
Groove, diversion trench are in the blade wheel chamber of pump case, the corresponding gap between impeller outer wall and blade wheel chamber of diversion trench matching, corrosion resistant
When pump operation, high pressure water is full of entire blade wheel chamber, enters groove to a part of high pressure water, into groove high pressure water according to used
Property, hydraulic pressure towards diversion trench disperse, since diversion trench is smaller, high pressure water realizes the effect of secondary booster, final secondary booster
Water afterwards enters the gap between impeller outer wall and blade wheel chamber, and reenters in the working space of impeller, and realization is pressurized three times,
Improve the supercharging effect of corrosion-resistant pump.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments：
Fig. 1 is the stereogram exploded view of the present invention；
Fig. 2 is the section plan of the present invention；
Fig. 3 is the three-dimensional cutaway view of the holder of the present invention；
Fig. 4 is the structural schematic diagram of the sealing auxiliary body of the present invention.
Specific implementation mode
It please refers to Fig.1 to Fig.4, the present invention provides a kind of novel corrosion-resistant pump, including pump case 1, holder 2 and motor（In figure not
It draws）, one end of holder 2 connects pump case 1, other end connection motor（It is not drawn into figure）, the pump case 1 is interior to be equipped with impeller 4, institute
It states impeller 4 to include blade 5 and the axle sleeve 6 in 5 rear end of blade is arranged, the holder 2 includes ontology 7, in the front and back ends of ontology 7
It is respectively equipped with drive end bearing bracket 8, rear end cap 9, the drive end bearing bracket 8 is connect with 1 rear end of pump case, and rear end cap 9 connects motor（It is not drawn in figure
Go out）；There is a cavity 10 in the ontology 7, and be equipped with inlet opening 11 and oil ga(u)ge hole 26 on ontology 7, be equipped in oil ga(u)ge hole 26
Oil scale, the inlet opening 11, oil ga(u)ge hole 26 are connected to cavity 10, and plug is equipped on inlet opening 11（It is not drawn into figure）,
Oil scale is installed, oil scale can timely see the capacity of the coolant liquid in cavity 10, and timely add in oil ga(u)ge hole 26
Add coolant liquid；8 center of the drive end bearing bracket is equipped with the first axis hole 12 penetrated through with cavity 10, and 9 center of rear end cap is equipped with and cavity 10
The mounting hole 13 of perforation, the inner wall of the cavity 10 are equipped with several boss 14, the boss 14 extend in the axial direction ontology 7 with
Boundary position between rear end cap 9, the interior matching of the mounting hole 13 are equipped with capping 15, and the capping 15 is screwed in convex
On platform 14；15 centers of the capping are equipped with the second axis hole 16；The axle sleeve 6 passes through the first axis hole 12, the second axis hole 16 and extends
To mounting hole 13, motor（It is not drawn into figure）Shaft be plugged in axle sleeve 6 to which impeller 4 rotates；It is set on the axle sleeve 6
There are the first oil sealing 17 and the second oil sealing 18, the matching of the first oil sealing 17 is at the first axis hole 12, and the matching of the second oil sealing 18 is the
At two axis holes 16.
The aperture of the mounting hole 13 is more than the internal diameter of cavity 10, and step is formd between mounting hole 13 and cavity 10
19, capping 15 is fitted on step 19, is provided with screw hole at 14 center of boss, screw passes through the through-hole in capping 15 to be screwed onto screw hole
It is interior.
The inlet opening 11 is in the peak of ontology 7, and is disposed radially.
The free end end face of the drive end bearing bracket 8 is axially outwardly extended with zone center 20 and in 20 periphery of zone center
The length of annular plug division 21, the zone center 20 is less than annular plug division 21, and the perforation of the first axis hole 12 extends to center
The outer end face of platform 20；Several circumferentially uniformly distributed partition boards are connected between annular 21 inner wall of plug division and 20 outer wall of zone center
22, groove 23 is formd between adjacent two partition boards 22；The front end face of the annular plug division 21 is equipped with several diversion trenches 24,
The diversion trench 24 matches 22 position of corresponding partition board.
The least significant end of the rear end cap 9 is equipped with drainage hole 25, and the drainage hole 25 is penetrated through with mounting hole 13.Drainage hole 25
Design, when being that coolant liquid is leaked in mounting hole 13 in order to prevent, can timely be discharged, avoid injuring motor（In figure not
It draws）Service life.
The cross section of the boss 14 is semicircle, and is connected by arc transition between 10 inner wall of boss 14 and cavity.
The axle sleeve 6 is equipped with sealing auxiliary body, and the sealing auxiliary body is in the first oil sealing 17 and the second oil sealing
Between 18, including left sealing block 27, right sealing block 28 and the spring 29 between left sealing block 27 and right sealing block 28, institute
It states left sealing block 27 to be symmetric with right sealing block 28, includes the seal head 31 of baffle 30, rectangular triangle, the block
30 match with spring 29, and the tip of two seal heads 31 is at the chamfering 32 of the endoporus of the first oil sealing 17 and the second oil sealing 18；
The left sealing block 27 is more than the outer diameter of axle sleeve 6, and left sealing block 27 and right sealing block with the center-hole diameter of right sealing block 28
28 seal head 31 is flexible material, it is preferable that the seal head 31 of left sealing block 27 and right sealing block 28 is silica gel material.When
When being worn between one oil sealing 17, the second oil sealing 18 and axle sleeve 6, acted on by spring 29, the left sealing block 27 of flexible material, right sealing
The seal head 31 of block 28 is respectively embedded into abration position, compensates wearing clearance.
It makes an explanation below to the crab lobster basket of the present invention：
The novel corrosion-resistant pump of the present invention, when in use, is first turned on plug（It is not drawn into figure）, filled in the cavity 10 of ontology 7
Coolant liquid is noted, and gets back into plug（It is not drawn into figure）, start motor（It is not drawn into figure）, motor（It is not drawn into figure）Impeller
4 run at high speed, due to being provided with the first oil sealing 17 and the second oil sealing 18 on the axle sleeve 6 of impeller 4, to respectively to the first axis hole 12
It realizes and seals with the second axis hole 16, prevent coolant liquid from leaking, and prevent the high pressure water in pump case 1 from leaking；It is cold in cavity 10
But liquid energy is enough is cooled down in real time between axle sleeve 6 and drive end bearing bracket 8, between axle sleeve 6 and rear end cap 9, to ensure each zero
The normal operation of part under any circumstance, prolongs the service life.
It is provided for the embodiments of the invention a kind of novel corrosion-resistant pump above to be described in detail, tool used herein
Principle and implementation of the present invention are described for body example, and the explanation of above example is only intended to help to understand this hair
Bright revealed technical solution；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, it is being embodied
There will be changes in mode and application range, in conclusion the content of the present specification should not be construed as the limitation of the present invention.
Claims (7)
1. a kind of novel corrosion-resistant pump, including pump case, holder and motor, the pump case is interior to be equipped with impeller, and the impeller includes blade
With the axle sleeve in blade rear end is set, it is characterised in that：The holder includes ontology, before the front and back ends of ontology are respectively equipped with
End cap, rear end cap, the drive end bearing bracket are connect with pump case rear end, and rear end cap connects motor；There is a cavity in the ontology, and
It is equipped with inlet opening and oil ga(u)ge hole on the body, the inlet opening, oil ga(u)ge hole are connected to cavity, and plug is equipped on inlet opening,
Oil ga(u)ge is equipped with oil scale in hole；The drive end bearing bracket center is equipped with the first axis hole for penetrate through with cavity, rear end cap center equipped with
The inner wall of the mounting hole of cavity perforation, the cavity is equipped with several boss, and the boss extends to ontology and rear end in the axial direction
Boundary position between lid, the interior matching of the mounting hole are equipped with capping, and the capping is screwed on boss；The envelope
Lid center is equipped with the second axis hole；The axle sleeve passes through the first axis hole, the second axis hole and extends to mounting hole, and the shaft of motor plugs
To which impeller rotates in axle sleeve；The axle sleeve is equipped with the first oil sealing and the second oil sealing, and the first oil sealing matching exists
At first axis hole, the second oil sealing matches at the second axis hole.
2. a kind of novel corrosion-resistant pump according to claim 1, it is characterised in that：The aperture of the mounting hole is more than cavity
Internal diameter forms step between mounting hole and cavity, and capping is fitted on step, is provided with screw hole at boss center, screw is worn
The through-hole crossed in capping is screwed onto in screw hole.
3. a kind of novel corrosion-resistant pump according to claim 2, it is characterised in that：The cross section of the boss is semicircle,
And it is connected by arc transition between boss and cavity inner wall.
4. a kind of novel corrosion-resistant pump according to claim 1, it is characterised in that：The inlet opening is in the highest of ontology
Point, and be disposed radially.
5. a kind of novel corrosion-resistant pump according to claim 1, it is characterised in that：The free end end face of the drive end bearing bracket is outside
It is extended axially by zone center and the annular plug division in zone center periphery, annular plug division matching is inserted pump case
It connects in hole, the length of the zone center is less than annular plug division, and the first axis hole perforation extends to the outer end face of zone center；Institute
It states and is connected with several circumferentially uniformly distributed partition boards between annular plug division inner wall and zone center outer wall, between adjacent two partition boards
Form groove；The front end face of the annular plug division is equipped with several diversion trenches, and the diversion trench matches corresponding partition position.
6. a kind of novel corrosion-resistant pump according to claim 1, it is characterised in that：The least significant end of the rear end cap is equipped with drain
Hole, the drainage hole are penetrated through with mounting hole.
7. a kind of novel corrosion-resistant pump according to claim 1, it is characterised in that：The axle sleeve is equipped with sealing auxiliary machine
Structure, the sealing auxiliary body be between the first oil sealing and the second oil sealing, including left sealing block, right sealing block and in a left side
Spring between sealing block and right sealing block, the left sealing block are symmetric with right sealing block, including baffle, rectangular three
Angular seal head, the block are matched with spring, and the tip of two seal heads is in the endoporus of the first oil sealing and the second oil sealing
Chamfering at；The left sealing block is more than the outer diameter of axle sleeve, and left sealing block and right sealing with the center-hole diameter of right sealing block
The seal head of block is flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627762.2A CN108443231B (en) | 2018-06-19 | 2018-06-19 | Corrosion-resistant pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627762.2A CN108443231B (en) | 2018-06-19 | 2018-06-19 | Corrosion-resistant pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443231A true CN108443231A (en) | 2018-08-24 |
| CN108443231B CN108443231B (en) | 2023-11-14 |
Family
ID=63206414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810627762.2A Active CN108443231B (en) | 2018-06-19 | 2018-06-19 | Corrosion-resistant pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443231B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB896481A (en) * | 1958-09-02 | 1962-05-16 | William Murray | Improvements in and relating to sealing of centrifugal impeller pumps |
| US4065235A (en) * | 1976-06-01 | 1977-12-27 | Tuthill Pump Company | Gear pump |
| KR19980061028U (en) * | 1997-03-20 | 1998-11-05 | 김영귀 | Mechanical seal structure of water pump |
| CN2612824Y (en) * | 2003-05-04 | 2004-04-21 | 王友宏 | Pump for pressure filter |
| CN2628766Y (en) * | 2003-05-27 | 2004-07-28 | 尹仁林 | Revolving molding anticorrosion chemical water pump |
| WO2005108796A1 (en) * | 2004-05-10 | 2005-11-17 | Zigang Jiang | A centrifugal pump with high force ratio, inner reduction friction and centripetal increasing pressure and its method threrof |
| CN101178080A (en) * | 2006-11-06 | 2008-05-14 | 项光辉 | Atmosphere pressure cooling intelligent control water pump |
| JP2009074470A (en) * | 2007-09-21 | 2009-04-09 | Panasonic Electric Works Co Ltd | Pump |
| CN202273904U (en) * | 2011-08-05 | 2012-06-13 | 胡照华 | Novel water pump |
| CN202659550U (en) * | 2012-06-25 | 2013-01-09 | 大耐泵业有限公司 | High-suction pressure centrifugal pump |
| JP2016217256A (en) * | 2015-05-20 | 2016-12-22 | 株式会社浪速ポンプ製作所 | Pump, mechanical seal device for pump |
| CN208845430U (en) * | 2018-06-19 | 2019-05-10 | 蒋秉邑 | A kind of novel corrosion-resistant pump |
-
2018
- 2018-06-19 CN CN201810627762.2A patent/CN108443231B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB896481A (en) * | 1958-09-02 | 1962-05-16 | William Murray | Improvements in and relating to sealing of centrifugal impeller pumps |
| US4065235A (en) * | 1976-06-01 | 1977-12-27 | Tuthill Pump Company | Gear pump |
| KR19980061028U (en) * | 1997-03-20 | 1998-11-05 | 김영귀 | Mechanical seal structure of water pump |
| CN2612824Y (en) * | 2003-05-04 | 2004-04-21 | 王友宏 | Pump for pressure filter |
| CN2628766Y (en) * | 2003-05-27 | 2004-07-28 | 尹仁林 | Revolving molding anticorrosion chemical water pump |
| WO2005108796A1 (en) * | 2004-05-10 | 2005-11-17 | Zigang Jiang | A centrifugal pump with high force ratio, inner reduction friction and centripetal increasing pressure and its method threrof |
| CN101178080A (en) * | 2006-11-06 | 2008-05-14 | 项光辉 | Atmosphere pressure cooling intelligent control water pump |
| JP2009074470A (en) * | 2007-09-21 | 2009-04-09 | Panasonic Electric Works Co Ltd | Pump |
| CN202273904U (en) * | 2011-08-05 | 2012-06-13 | 胡照华 | Novel water pump |
| CN202659550U (en) * | 2012-06-25 | 2013-01-09 | 大耐泵业有限公司 | High-suction pressure centrifugal pump |
| JP2016217256A (en) * | 2015-05-20 | 2016-12-22 | 株式会社浪速ポンプ製作所 | Pump, mechanical seal device for pump |
| CN208845430U (en) * | 2018-06-19 | 2019-05-10 | 蒋秉邑 | A kind of novel corrosion-resistant pump |
Non-Patent Citations (2)
| Title |
|---|
| 朱国安: "液化石油气泵的机械密封", 化工设备与管道, no. 01 * |
| 淮慧梅: "离心泵填料密封改为机械密封", 润滑与密封, no. 01 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108443231B (en) | 2023-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108429384A (en) | The sealing structure at motor-shaft extending end | |
| CN208845430U (en) | A kind of novel corrosion-resistant pump | |
| CN211598988U (en) | Melt gear pump | |
| CN104682608A (en) | Multiple sealing motor for deep well pump | |
| CN108443231A (en) | A kind of novel corrosion-resistant pump | |
| CN207879864U (en) | A kind of numerically-controlled machine tool gear-box main motor shaft bearing lubrication structure | |
| CN107747545B (en) | Amphibious pipeline pump | |
| JP2019173953A5 (en) | Centrifugal compressor and mechanical seal | |
| CN201310485Y (en) | Mechanical seal of IFB phenolic aldehyde glass fiber centrifugal pump | |
| CN109639023B (en) | Motor capable of preventing oil leakage and temperature rise and method for preventing oil leakage bearing of inner cover and outer cover of motor from temperature rise | |
| US9010100B2 (en) | Seal assembly for torque converter | |
| CN209800250U (en) | gear metering pump with double-steering pressure relief channel | |
| CN205341946U (en) | Telescopic main shaft of static and dynamic pressure | |
| CN111998005B (en) | Cooling and flushing structure of water lubrication thrust bearing | |
| CN100572813C (en) | Pin-hole type cycloid rotor pump | |
| CN204639151U (en) | A kind of Dynamic-static pressure main shaft device | |
| CN102678580B (en) | Multistage submerged pump sealing structure | |
| JP2019173956A5 (en) | Centrifugal compressor and mechanical seal | |
| CN206129685U (en) | Oiling formula fan shaft seal device | |
| CN103939334B (en) | Gear pump | |
| CN219226940U (en) | Power mobile phone with waterproof structure | |
| CN100578017C (en) | Engine oil pump | |
| CN208294761U (en) | A kind of two-part gear oil pump shell | |
| CN109915361B (en) | Gear metering pump with double-steering pressure relief channel | |
| CN212203963U (en) | Lubricating structure of drive axle swing span |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |