CN108644122A - Novel sewage pump - Google Patents
Novel sewage pump Download PDFInfo
- Publication number
- CN108644122A CN108644122A CN201810321591.0A CN201810321591A CN108644122A CN 108644122 A CN108644122 A CN 108644122A CN 201810321591 A CN201810321591 A CN 201810321591A CN 108644122 A CN108644122 A CN 108644122A
- Authority
- CN
- China
- Prior art keywords
- pump
- pump shaft
- impeller
- wedge block
- connecting hole
- 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
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
- F04D9/00—Priming; Preventing vapour lock
- F04D9/02—Self-priming 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
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of novel sewage pump, including the pump housing, pump shaft and impeller, the pump shaft is rotationally connected with the pump housing by bearing and puts in the pump housing；The inner end of the pump shaft connects and fixes together with impeller；The pump housing is equipped with the installing port for being packed into impeller；The installing port is closed by protecgulum；The protecgulum is mounted in a manner of being axially movable in installing port；The connecting hole for connecting pump shaft is equipped at the center of the impeller；The inner end of pump shaft is inserted into connecting hole；The connecting hole is equipped with the wedge block for clamping pump shaft end for the inner wall of blind hole and connecting hole；The novel sewage pump of the present invention, the gap between friction plate and blade is adjusted by protecgulum, the technical issues of avoiding being easy leakage caused by adjustment impeller and pump shaft, and realize being connected and fixed between pump shaft and impeller by the way of clamping, it avoids in impeller center trepanning, connector is not in direct contact with sewage, and service life is long, is easily installed and is safeguarded.
Description
Technical field
The present invention relates to pump machines more particularly to a kind of novel sewage pumps.
Background technology
Blowdown self priming pump uses axial reflux exterior mixing, and by the unique design of the pump housing, impeller channel, can be as
Self suction clean water pump need not install bottom valve and water like that, but can suction contain bulky grain solid and long fibrous impurities liquid,
It is widely portable to the industries such as municipal drainage project, river embankment cultivation.
It is that there are the gaps of about 0.5 mm wide between existing blowdown self-suction pump impeller and friction plate, when with using
Between increase, impeller can be worn under the washing away of water, and at this moment gap can then increase herein, so pump performance will be therewith
Decline, need to be adjusted from the pump shaft and impeller at rear, is easy leakage, and between the pump shaft and impeller of blowdown self priming pump
It is all made of screw to connect with gland, in impeller center trepanning, pump shaft inserts in the hole from the side of impeller, and it is another that gland is placed on impeller
Screw is simultaneously fastened on pump shaft end by side across gland, and sewage is sucked from impeller center and then thrown away using centrifugal force, therefore spiral shell
Nail and gland are immersed in sewage for a long time, are easy corrosion and loosening, and installation and maintenance are extremely inconvenient.
Invention content
For the defects in the prior art, the present invention provides a kind of novel sewage pump, by protecgulum come adjust friction plate with
Gap between blade, the technical issues of avoiding being easy leakage caused by adjustment impeller and pump shaft, and by the way of clamping
It realizes being connected and fixed between pump shaft and impeller, avoids in impeller center trepanning, connector is not in direct contact with sewage, uses the longevity
Life is long, is easily installed and safeguards.
The novel sewage pump of the present invention, including the pump housing, pump shaft and impeller, the pump shaft are rotationally connected with the pump housing by bearing
And it puts in the pump housing；The inner end of the pump shaft connects and fixes together with impeller；The pump housing is equipped with for being packed into impeller
Installing port；The installing port is closed by protecgulum；The protecgulum in a manner of being axially movable be mounted on installing port in, protecgulum it is interior
End face is fixed with friction plate；It is equipped with the adjusting part for adjusting protecgulum axial position between protecgulum and the pump housing, makes impeller and rubs
Gap between wiping board can be adjusted by the axial movement of protecgulum；The connection for connecting pump shaft is equipped at the center of the impeller
Hole；The inner end of pump shaft is inserted into connecting hole；The connecting hole is equipped with for the inner wall of blind hole and connecting hole and is used for clamping pump shaft end
The wedge block in portion is enclosed construction at impeller center, wedge block is located in connecting hole, no since connecting hole is blind hole
With waste water, corrosion is avoided, pump shaft is inserted into connecting hole by when installation, simple to operate, non-loosening phenomenon.
Further, the edge of the protecgulum is equipped with the first threaded hole；The pump housing is equipped with and the first threaded hole phase one by one
To the second threaded hole；The adjusting part includes hollow adjustment bolt, studs and long nut；The hollow adjustment bolt
It is threadedly connected to first threaded hole, and withstands the end face of the pump housing；Described studs one end passes through the hollow tune
Whole bolt is threadedly coupled with second threaded hole, and the other end is threadedly coupled with the long nut；Hollow adjustment bolt and first
Threaded connection between threaded hole allows to allow protecgulum to move axially by rotating hollow adjustment bolt, makes the axial direction of protecgulum
It is mobile more convenient.
Further, described long nut one end is equipped with opening, other end closing；The long nut by with the studs
Threaded connection withstand the bolt head of the hollow adjustment bolt, for hollow adjustment bolt axially position；Hollow adjustment spiral shell
Bolt is positioned by pump body end surface and long nut one end, and hollow adjustment bolt is made not moved along the axial direction of studs in rotation
It is dynamic.
Further, the inner end of the pump shaft is inverted cone-shaped structure；After clamping can self-locking, realize to pump shaft it is effective calmly
Position.
Further, wedge block sliding is set in connecting hole, is equipped in the connecting hole for accommodating wedge block and right
Wedge block carries out the skewed slot of slide-and-guide；The skewed slot is more than pump shaft inner end back taper knot relative to the gradient of connection centerline hole
The gradient of the busbar of structure when being inserted into pump shaft, can be promoted wedge block in skewed slot by pump shaft end face, when pump shaft injects in connecting hole
Later, by the reset of wedge block, by pump shaft clamping.
Further, it is connected with compressed spring between the wedge block and skewed slot, wedge block is made to make in the elastic force of compressed spring
With lower by pump shaft clamping, it is ensured that wedge block can quickly reset, and be clamped on wedge block using the elastic force of compressed spring
Between skewed slot and pump shaft.
Further, the inner end of the pump shaft is equipped with external splines, and the connecting hole is interior and wedge block is equipped with and external splines
The internal spline to match improves the cooperation precision between pump shaft and connecting hole and wedge block, and impeller is made to be rotated synchronously with pump shaft.
Further, the wedge block is three, and three wedge blocks are uniformly distributed around pump shaft, and comprehensive stress performance is good, structure
Stability is good.
Further, single-degree-of-freedom is slidably matched between the wedge block and skewed slot, enables wedge block oblique when being inserted into pump shaft
It is slid into inside skewed slot under the guiding role of slot, concedes enough spaces for pump shaft end, also can effectively prevent wedge in disassembly process
Shape block is inadvertently fallen off.
The beneficial effects of the invention are as follows：The novel sewage pump of the present invention, is adjusted by protecgulum between friction plate and blade
Gap, avoid adjustment impeller and pump shaft caused by be easy leakage the technical issues of, and using be clamped by the way of realize pump shaft
Being connected and fixed between impeller avoids in impeller center trepanning, and connector is not in direct contact with sewage, and service life is long, just
In installation and safeguard.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In the accompanying drawings, similar element or portion
Divide and is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is enlarged view at the A of Fig. 1；
Fig. 3 is enlarged view at the B of Fig. 1；
Fig. 4 is pump shaft and impeller junction cross-sectional view.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be only used as example, and the protection model of the present invention cannot be limited with this
It encloses.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
As shown in Figs 1-4：The novel sewage pump of the present embodiment, including the pump housing 1, pump shaft 4 and impeller 2, the pump shaft 4 pass through
Bearing is rotationally connected with the pump housing 1 and puts in the pump housing 1；The inner end of the pump shaft 4 connects and fixes together with impeller 2；The pump
Body 1 is equipped with the installing port for being packed into impeller 2；The installing port is closed by protecgulum 8；The protecgulum 8 is to be axially movable
Mode is mounted in installing port, and the inner face of protecgulum 8 is fixed with friction plate 7；Before being equipped between protecgulum 8 and the pump housing 1 for adjusting
The adjusting part of 8 axial position of lid makes the gap between impeller 2 and friction plate 7 that can be adjusted by the axial movement of protecgulum 8；Institute
State the connecting hole being equipped at the center of impeller 2 for connecting pump shaft 4；The inner end of pump shaft 4 is inserted into connecting hole；The connecting hole is
The inner wall of blind hole and connecting hole is equipped with the wedge block 3 for 4 end of clamping pump shaft, since connecting hole is blind hole, impeller 2
It is enclosed construction at center, wedge block 3 is located in connecting hole, not with waste water, avoids corrosion, and when installation plugs in pump shaft 4
Enter in connecting hole, simple to operate, non-loosening phenomenon, the inner end of the pump shaft 4 is inverted cone-shaped structure；It can after clamping
The effective position to pump shaft 4 is realized in self-locking；The sliding of the wedge block 3 is set in connecting hole, is equipped in the connecting hole for holding
Receive wedge block 3 and to wedge block 3 carry out slide-and-guide skewed slot 6；The skewed slot 6 is more than relative to the gradient of connection centerline hole
Wedge block 3 when being inserted into pump shaft 4, can be promoted skewed slot 6 by the gradient of the busbar of 4 inner end inverted cone-shaped structure of pump shaft by 4 end face of pump shaft
It is interior, after pump shaft 4 injects in connecting hole, by the reset of wedge block 3, by 4 clamping of pump shaft；The wedge block 3 and skewed slot 6 it
Between be connected with compressed spring 5, make wedge block 3 under the elastic force effect of compressed spring 5 by 4 clamping of pump shaft, it is ensured that wedge block 3 can
It quickly resets, and wedge block 3 is clamped between skewed slot 6 and pump shaft 4 using the elastic force of compressed spring 5.
In the present embodiment, the edge of the protecgulum 8 is equipped with the first threaded hole；The pump housing 1 is equipped with and the first threaded hole
The second opposite threaded hole one by one；The adjusting part includes hollow adjustment bolt 10, studs 11 and long nut 9；It is described
Hollow adjustment bolt 10 is threadedly connected to first threaded hole, and withstands the end face of the pump housing 1；The studs 11 1
End is threadedly coupled across the hollow adjustment bolt 10 with second threaded hole, and the other end is threadedly coupled with the long nut 9；
Threaded connection between hollow adjustment bolt 10 and the first threaded hole allows to before being allowed by rotating hollow adjustment bolt 10
Lid 8 moves axially, and keeps the axial movement of protecgulum 8 more convenient；9 one end of the long nut is equipped with opening, other end closing；The length
Nut 9 with being threadedly coupled for the studs 11 by withstanding the bolt head of the hollow adjustment bolt 10, for hollow
10 axially position of adjustment bolt；Hollow adjustment bolt 10 is positioned by 1 end face of the pump housing and 9 one end of long nut, makes hollow adjustment
Bolt 10 will not be along the axial movement of studs 11 in rotation.
In the present embodiment, the inner end of the pump shaft 4 is equipped with external splines, in the connecting hole and wedge block 3 be equipped with
The internal spline that external splines matches improves the cooperation precision between pump shaft 4 and connecting hole and wedge block 3, makes impeller 2 and pump shaft 4
It rotates synchronously, the wedge block 3 is three, and three wedge blocks 3 are uniformly distributed around pump shaft 4, and comprehensive stress performance is good, stable structure
Property it is good, single-degree-of-freedom is slidably matched between the wedge block 3 and skewed slot 6, be inserted into pump shaft 4 when enable the leading in skewed slot 6 of wedge block 3
It is slid into inside skewed slot 6 to effect is lower, concedes enough spaces for 4 end of pump shaft, also can effectively prevent wedge block 3 in disassembly process
It inadvertently falls off.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (9)
1. a kind of novel sewage pump, including the pump housing, pump shaft and impeller, it is characterised in that：The pump shaft is rotatablely connected by bearing
In the pump housing and put in the pump housing；The inner end of the pump shaft connects and fixes together with impeller；The pump housing is equipped with for being packed into
The installing port of impeller；The installing port is closed by protecgulum；The protecgulum is mounted in a manner of being axially movable in installing port, preceding
The inner face of lid is fixed with friction plate；The adjusting part for adjusting protecgulum axial position is equipped between protecgulum and the pump housing；It is described
The connecting hole for connecting pump shaft is equipped at the center of impeller；The inner end of pump shaft is inserted into connecting hole；The connecting hole is blind hole
And the inner wall of connecting hole is equipped with the wedge block for clamping pump shaft end.
2. novel sewage pump according to claim 1, it is characterised in that：The edge of the protecgulum is equipped with the first threaded hole；
The pump housing is equipped with and the first threaded hole opposite the second threaded hole one by one；The adjusting part include hollow adjustment bolt,
Studs and long nut；The hollow adjustment bolt is threadedly connected to first threaded hole, and withstands the end of the pump housing
Face；Described studs one end is threadedly coupled across the hollow adjustment bolt with second threaded hole, the other end with it is described
Long nut is threadedly coupled.
3. novel sewage pump according to claim 2, it is characterised in that：Described long nut one end is equipped with opening, the other end
Closing；The long nut is used for by withstanding the bolt head of the hollow adjustment bolt with being threadedly coupled for the studs
To hollow adjustment bolt axially position.
4. according to the novel sewage pump described in claim 1-3 any claims, it is characterised in that：The inner end of the pump shaft is
Inverted cone-shaped structure.
5. novel sewage pump according to claim 4, it is characterised in that：The wedge block sliding is set in connecting hole, institute
It states and is equipped in connecting hole for accommodating wedge block and to the skewed slot of wedge block progress slide-and-guide；The skewed slot is relative to connecting hole
The gradient of center line is more than the gradient of the busbar of pump shaft inner end inverted cone-shaped structure.
6. novel sewage pump according to claim 5, it is characterised in that：Compression is connected between the wedge block and skewed slot
Spring makes wedge block under the elastic force effect of compressed spring by pump shaft clamping.
7. novel sewage pump according to claim 6, it is characterised in that：The inner end of the pump shaft is equipped with external splines, described
In connecting hole and wedge block is equipped with the internal spline to match with external splines.
8. novel sewage pump according to claim 7, it is characterised in that：The wedge block be three, three wedge blocks around
Pump shaft is uniformly distributed.
9. novel sewage pump according to claim 8, it is characterised in that：Single-degree-of-freedom is slided between the wedge block and skewed slot
Dynamic cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321591.0A CN108644122B (en) | 2018-04-11 | 2018-04-11 | Sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321591.0A CN108644122B (en) | 2018-04-11 | 2018-04-11 | Sewage pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108644122A true CN108644122A (en) | 2018-10-12 |
| CN108644122B CN108644122B (en) | 2020-08-21 |
Family
ID=63746108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810321591.0A Active CN108644122B (en) | 2018-04-11 | 2018-04-11 | Sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644122B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266575A (en) * | 2021-05-24 | 2021-08-17 | 刘倩倩 | Sewage pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1548584A (en) * | 1975-05-17 | 1979-07-18 | Bosch Gmbh Robert | Centrifugal pumps |
| CN200964954Y (en) * | 2006-10-13 | 2007-10-24 | 宁波江北宏杰机电有限公司 | Drainage pump |
| CN201786715U (en) * | 2010-09-11 | 2011-04-06 | 安徽埃斯克制泵有限公司 | Mechanism used for adjusting clearance between impeller and wear-resistant plate of sewage discharging self-priming pump |
| CN103994091A (en) * | 2014-06-11 | 2014-08-20 | 山东双轮股份有限公司 | Submersible sewage pump |
| CN203856755U (en) * | 2014-06-11 | 2014-10-01 | 山东双轮股份有限公司 | Submersible sewage pump |
| CN204213035U (en) * | 2014-09-23 | 2015-03-18 | 上海邦浦实业集团有限公司 | A kind of novel liquid sewage pump |
| CN107829978A (en) * | 2017-08-31 | 2018-03-23 | 合肥雷光动力科技有限公司 | A kind of compressor impeller for possessing regulatory function |
-
2018
- 2018-04-11 CN CN201810321591.0A patent/CN108644122B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1548584A (en) * | 1975-05-17 | 1979-07-18 | Bosch Gmbh Robert | Centrifugal pumps |
| CN200964954Y (en) * | 2006-10-13 | 2007-10-24 | 宁波江北宏杰机电有限公司 | Drainage pump |
| CN201786715U (en) * | 2010-09-11 | 2011-04-06 | 安徽埃斯克制泵有限公司 | Mechanism used for adjusting clearance between impeller and wear-resistant plate of sewage discharging self-priming pump |
| CN103994091A (en) * | 2014-06-11 | 2014-08-20 | 山东双轮股份有限公司 | Submersible sewage pump |
| CN203856755U (en) * | 2014-06-11 | 2014-10-01 | 山东双轮股份有限公司 | Submersible sewage pump |
| CN204213035U (en) * | 2014-09-23 | 2015-03-18 | 上海邦浦实业集团有限公司 | A kind of novel liquid sewage pump |
| CN107829978A (en) * | 2017-08-31 | 2018-03-23 | 合肥雷光动力科技有限公司 | A kind of compressor impeller for possessing regulatory function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266575A (en) * | 2021-05-24 | 2021-08-17 | 刘倩倩 | Sewage pump |
| CN113266575B (en) * | 2021-05-24 | 2022-11-04 | 宜昌市西峡泵业有限公司 | Sewage pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108644122B (en) | 2020-08-21 |
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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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181116 Address after: 238200 Economic and Technological Development Zone of Ma'anshan City and County, Anhui Province Applicant after: ESKE PUMP COMPANY Address before: Room 402, 41 Changjiang House Apartment, Gulou District, Nanjing City, Jiangsu Province Applicant before: Cao Zhuming |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |