CN111794976B - Flange type coupling structure of submersible sewage pump - Google Patents
Flange type coupling structure of submersible sewage pump Download PDFInfo
- Publication number
- CN111794976B CN111794976B CN202010560104.3A CN202010560104A CN111794976B CN 111794976 B CN111794976 B CN 111794976B CN 202010560104 A CN202010560104 A CN 202010560104A CN 111794976 B CN111794976 B CN 111794976B
- Authority
- CN
- China
- Prior art keywords
- ring
- pump
- submersible
- flange
- coupling structure
- 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.)
- Active
Links
Images
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
- 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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- 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
- F04D13/021—Units comprising pumps and their driving means containing a coupling
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials 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
- F04D29/08—Sealings
- F04D29/086—Sealings 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 flange type coupling structure of a submersible sewage pump, which comprises a water outlet base and a submersible pump, wherein a water outlet pipe and a guide rod are arranged on the water outlet base; the upper end of the guide rod is provided with a positioning pressing plate used for fixing the upper end of the guide rod. The invention enhances the sealing effect between the water outlet pipe and the submersible pump, effectively avoids sewage from leaking out of the connection part of the coupling structure and improves the working efficiency of the submersible sewage pump.
Description
Technical Field
The invention relates to the technical field of sewage pumps, in particular to a flange type coupling structure of a submersible sewage pump.
Background
Because the submersible sewage pump has the advantage of convenient installation and maintenance, the submersible sewage pump is more and more emphasized by people, the application range is wider and wider, and the submersible sewage pump plays an important role in various industries such as municipal engineering, industry, hospitals, buildings, restaurants, water conservancy construction and the like from the original pure delivery of clean water to the delivery of various domestic sewage, industrial wastewater, construction site drainage, liquid feeds and the like. The submersible sewage pump generally comprises a water outlet base and a submersible pump, the water outlet base is generally fixed in a sewage tank in advance, the submersible pump and the water outlet base are connected through a coupling structure due to the fact that maintenance personnel inconveniently go down to the sewage tank for operation, operation personnel do not need to go down to the water tank, the submersible sewage pump only needs to be lowered to the position corresponding to the water outlet base during installation, the connection between the submersible sewage pump and the water outlet base can be achieved through the coupling structure, and the submersible sewage pump is simplified in installation, maintenance and disassembly. But current coupling structure leakproofness is relatively poor, when carrying out the blowdown, sewage leaks from coupling structure's junction easily, influences submersible sewage pump's work efficiency.
Such as: chinese patent publication No. CN210106252U, the utility model discloses a submersible sewage pump coupled structure, including setting up the sewage pump on the return bend, the return bend all fixedly connected with coupling piece, two with the equal fixedly connected with coupling piece in junction of sewage pump one side that the coupling piece is relative all is equipped with the coupling inclined plane, be equipped with annular groove on the lateral wall on coupling inclined plane, be equipped with the sealing washer in the annular groove, the lower extreme of return bend is equipped with the supporting seat, fixedly connected with guide post on the upper end lateral wall of supporting seat, the fixed block has been cup jointed to the fixed cover on the lateral wall of sewage pump, be equipped with direction slide mechanism between fixed block and the guide post. The utility model discloses a weak point lies in: this coupling structure leakproofness is relatively poor, when carrying out the blowdown, sewage spills from the junction with coupling structure easily, influences the work efficiency of submersible sewage pump.
Disclosure of Invention
The invention aims to solve the problems that the existing submersible sewage pump coupling structure is poor in sealing performance, sewage is easy to leak out from the joint of the coupling structure during sewage discharge, and the working efficiency of the submersible sewage pump is affected.
The purpose of the invention is realized by the following technical scheme: a flange type coupling structure of a submersible sewage pump comprises a water outlet base and a submersible pump, wherein a water outlet pipe and a guide rod are arranged on the water outlet base, a flange is arranged at one end, close to the submersible pump, of the water outlet pipe, a coupling buckle plate is connected to the submersible pump, the coupling buckle plate is in sliding connection with the guide rod, a sealing part which automatically expands during drainage is arranged on the coupling buckle plate, one end of the sealing part is abutted against the end face of a water outlet of the submersible pump, and the other end of the sealing part is abutted against; the upper end of the guide rod is provided with a positioning pressing plate used for fixing the upper end of the guide rod.
In the invention, the water outlet base is fixed in the sewage pool, and the submersible pump can move up and down along the guide rod. When the submersible pump is installed, the submersible pump is lifted to the position corresponding to the water outlet base in a lifting mode, so that the water outlet on the submersible pump corresponds to the flange at one end of the water outlet pipe, and at the moment, one end of the sealing part abuts against and is pressed tightly against the flange, so that the submersible pump is connected with the water outlet base in a coupling mode. When carrying out the drainage, sealing member can expand automatically, has strengthened the sealed effect between outlet pipe and the immersible pump, has effectively avoided sewage to spill from the junction with coupled structure, has improved the work efficiency of submersible sewage pump. The positioning pressing plate is fixed in the sewage tank and used for positioning the upper end of the guide rod, so that the guide rod is not easy to bend.
Preferably, the sealing component comprises a sealing ring, an annular expansion cavity is arranged in the sealing ring, a water inlet groove which can enable water to enter the annular expansion cavity is formed in the inner side of the annular expansion cavity, an inner bone ring is arranged on the inner annular surface of the sealing ring, and a communicating groove corresponding to the water inlet groove is formed in the inner bone ring; the inner side of the inner skeleton ring is rotatably connected with a rotating ring, and the inner side of the rotating ring is provided with a plurality of blades; be provided with a plurality of water hole on the rotatory ring, the water hole link up rotatory ring's inside and outside both sides. The two ends of the sealing ring are respectively abutted against the end face of the flange and the end face of the water outlet of the submersible pump. When carrying out the drainage, water flows through in the middle of the sealing washer, because rotatory inboard of ring is provided with a plurality of paddle, rotatory ring is rotatory under the effect of rivers, at this moment, the water that is arranged in the water hole also can be along with rotatory ring rotation, water in the water hole gets into annular inflation chamber through intercommunication groove and inlet channel respectively under the effect of centrifugal force, and form certain water pressure in annular inflation chamber, make the sealing washer inflation, improve the packing force between the delivery port terminal surface of sealing washer and flange terminal surface and immersible pump, the sealed effect between outlet pipe and the immersible pump has been improved, effectively avoided sewage to spill, the work efficiency of submersible sewage pump has been improved.
Preferably, a ball is disposed between the rotating ring and the inner rim. The ball can reduce the friction between the rotating ring and the inner bone ring when the rotating ring rotates.
Preferably, the water holes are provided along a radial direction of the rotating ring.
Preferably, the seal ring is made of nitrile rubber.
Preferably, the blades are fixed in an annular array inside the rotating ring.
Preferably, the submersible pump is provided with a sling.
Preferably, the upper end of guide bar is provided with the jack, location clamp plate includes the fixed plate, is provided with the reference column with jack matched with on the fixed plate, is provided with the fixed connection groove on the fixed plate. The fixed plate is fixed in the sewage pond, and the reference column inserts in the jack on the guide bar for fix a position the upper end of guide bar, fixed connection groove is convenient for fix the fixed plate in the sewage pond.
The invention has the beneficial effects that: the invention enhances the sealing effect between the water outlet pipe and the submersible pump, effectively avoids sewage from leaking out of the connection part of the coupling structure and improves the working efficiency of the submersible sewage pump.
Drawings
Fig. 1 is a partial cross-sectional view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the sealing member.
Fig. 4 is a schematic structural view of the positioning platen.
In the figure: 1. immersible pump, 2, play water base, 3, outlet pipe, 4, guide bar, 5, coupling buckle, 6, location clamp plate, 7, sealing washer, 8, interior bone circle, 9, rotatory ring, 10, paddle, 11, water hole, 12, intercommunication groove, 13, intake chamber, 14, annular inflation chamber, 15, ball, 16, fixed plate, 17, reference column, 18, fixed connection groove, 19, hoist cable.
Detailed Description
The invention is further described by the following detailed description in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 4, a flange type coupling structure of a submersible sewage pump comprises a water outlet base 2 and a submersible pump 1. The submersible pump 1 is provided with a sling 19. The water outlet base 2 is provided with a water outlet pipe 3. One end of the water outlet pipe 3 close to the submersible pump 1 is provided with a flange. A guide rod 4 is arranged on the water outlet base 2, and the guide rod 4 is arranged along the vertical direction. The upper end of the guide rod 4 is provided with a jack, and the upper end of the guide rod 4 is provided with a positioning pressing plate 6 for fixing the upper end of the guide rod. The positioning pressing plate 6 comprises a fixing plate 16, a positioning column 17 matched with the jack is arranged on the fixing plate 16, and a fixing connecting groove 18 is arranged on the fixing plate 16. The fixed plate is fixed in the sewage pond, and during the reference column 17 inserted the jack on the guide bar 4 for fix a position the upper end of guide bar, fixed connection groove was convenient for fix the fixed plate in the sewage pond. The submersible pump 1 is connected with a coupling buckle plate 5, and the coupling buckle plate 5 is connected on the guide rod 4 in a sliding manner. The coupling pinch plate 5 is provided with a sealing part.
The sealing part comprises a sealing ring 7, and the sealing ring 7 is made of nitrile rubber. The two ends of the sealing ring are respectively abutted against the end face of the flange and the end face of the water outlet of the submersible pump. An annular expansion cavity 14 is arranged in the sealing ring 7, a water inlet groove 13 which can enable water to enter the annular expansion cavity is arranged on the inner side of the annular expansion cavity 14, and the water inlet groove 13 is annular. An inner bone ring 8 is arranged on the inner ring surface of the sealing ring 7, and a communicating groove 12 corresponding to the water inlet groove 13 is arranged on the inner bone ring 8. The inner side of the inner bone ring 8 is rotatably connected with a rotating ring 9, and the rotating ring 9 is annular. A ball 15 is arranged between the rotating ring 9 and the inner rim 8. The balls 15 can reduce the friction with the inner race 8 when the rotating ring 9 rotates. A plurality of blades 10 are arranged on the inner side of the rotating ring 9, and the blades 10 are fixed on the inner side of the rotating ring 9 in an annular array manner. A plurality of water 11 is arranged on the rotating ring 9, and water holes 11 penetrate through the inner side and the outer side of the rotating ring 9. The water holes 11 are provided along the radial direction of the rotating ring 9. When carrying out the drainage, water flows through in the middle of the sealing washer, because rotatory inboard of ring is provided with a plurality of paddle, rotatory ring is rotatory under the effect of rivers, at this moment, the water that is arranged in the water hole also can be along with rotatory ring rotation, water in the water hole gets into annular inflation chamber through intercommunication groove and inlet channel respectively under the effect of centrifugal force, and form certain water pressure in annular inflation chamber, make the sealing washer inflation, improve the packing force between the delivery port terminal surface of sealing washer and flange terminal surface and immersible pump, the sealed effect between outlet pipe and the immersible pump has been improved, effectively avoided sewage to spill, the work efficiency of submersible sewage pump has been improved.
In the invention, the water outlet base is fixed in the sewage pool, and the submersible pump can move up and down along the guide rod. When the submersible pump is installed, the submersible pump is lifted to the position corresponding to the water outlet base in a lifting mode, so that the water outlet on the submersible pump corresponds to the flange at one end of the water outlet pipe, and at the moment, one end of the sealing part abuts against and is pressed tightly against the flange, so that the submersible pump is connected with the water outlet base in a coupling mode. When carrying out the drainage, sealing member can expand automatically, has strengthened the sealed effect between outlet pipe and the immersible pump, has effectively avoided sewage to spill from the junction with coupled structure, has improved the work efficiency of submersible sewage pump. The fixed pressing plate is fixed in the sewage tank and used for positioning the upper end of the guide rod, so that the guide rod is not easy to bend.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a submersible sewage pump flange formula coupling structure, includes water base and immersible pump, is provided with outlet pipe and guide bar on the water base, and the one end that the outlet pipe is close to the immersible pump is provided with the flange, is connected with the coupling buckle on the immersible pump, sliding connection between coupling buckle and the guide bar, its characterized in that: the coupling buckle plate is provided with a sealing part which automatically expands during drainage, one end of the sealing part is abutted against the end surface of the water outlet of the submersible pump, and the other end of the sealing part is abutted against the end surface of the flange; the upper end of the guide rod is provided with a positioning pressing plate for fixing the upper end of the guide rod; the sealing component comprises a sealing ring, an annular expansion cavity is arranged in the sealing ring, a water inlet groove which can enable water to enter the annular expansion cavity is formed in the inner side of the annular expansion cavity, an inner bone ring is arranged on the inner ring surface of the sealing ring, and a communicating groove corresponding to the water inlet groove is formed in the inner bone ring; the inner side of the inner skeleton ring is rotatably connected with a rotating ring, and the inner side of the rotating ring is provided with a plurality of blades; be provided with a plurality of water hole on the rotatory ring, the water hole link up rotatory ring's inside and outside both sides.
2. The submersible sewage pump flange-type coupling structure of claim 1, wherein a ball is disposed between the rotating ring and the inner rim.
3. The submersible sewage pump flange-type coupling structure of claim 1, wherein the water holes are provided along a radial direction of the rotating ring.
4. The submersible sewage pump flange-type coupling structure of claim 1 wherein the seal ring is made of nitrile rubber.
5. A submersible sewage pump flange coupling arrangement as recited in claim 1 wherein the blades are secured in an annular array on the inside of the rotating ring.
6. The submersible sewage pump flange-type coupling structure of claim 1, wherein a sling is provided on the submersible pump.
7. The flange-type coupling structure of the submersible sewage pump as claimed in claim 1, wherein the guide rod is provided at an upper end thereof with a jack, the positioning pressing plate comprises a fixing plate, the fixing plate is provided with a positioning column matched with the jack, and the fixing plate is provided with a fixing connecting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010560104.3A CN111794976B (en) | 2020-06-18 | 2020-06-18 | Flange type coupling structure of submersible sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010560104.3A CN111794976B (en) | 2020-06-18 | 2020-06-18 | Flange type coupling structure of submersible sewage pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111794976A CN111794976A (en) | 2020-10-20 |
| CN111794976B true CN111794976B (en) | 2021-08-17 |
Family
ID=72804467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010560104.3A Active CN111794976B (en) | 2020-06-18 | 2020-06-18 | Flange type coupling structure of submersible sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111794976B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066417B (en) * | 2023-03-02 | 2023-06-16 | 江苏美丰泵业有限公司 | Multi-depth butt-joint coupling device of explosion-proof type submersible electric pump |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2448940A1 (en) * | 1974-10-15 | 1976-04-29 | Klein Schanzlin & Becker Ag | SUBMERSIBLE PUMP |
| US5377216A (en) * | 1993-06-04 | 1994-12-27 | Prc Corporation | Sealing method and arrangement for turbine compressor and laser employing same |
| CN2323177Y (en) * | 1997-12-29 | 1999-06-09 | 江苏亚太泵业集团公司 | Automatic coupled submersible sewege pump |
| CN203362634U (en) * | 2013-06-24 | 2013-12-25 | 江苏斯别特制泵有限公司 | Installation structure for submersible sewage pump |
| CN204152845U (en) * | 2014-09-04 | 2015-02-11 | 广州市白云泵业集团有限公司 | A kind of automatic coupling device of proof submersible sand discharging pump |
| CN109667755B (en) * | 2018-12-20 | 2020-02-28 | 杭州西子泵业有限公司 | Sewage submersible pump coupling structure |
-
2020
- 2020-06-18 CN CN202010560104.3A patent/CN111794976B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111794976A (en) | 2020-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111794976B (en) | Flange type coupling structure of submersible sewage pump | |
| CN213063983U (en) | Flange type coupling structure of submersible sewage pump | |
| CN201687726U (en) | Synchronous self-priming pump | |
| CN107100856B (en) | High-efficient formula dry-type double suction pump that absorbs highly | |
| KR20120025124A (en) | Automatic discharge connector for underwater pump | |
| CN211778175U (en) | Self-priming pump impeller import sealing device | |
| CN211648584U (en) | Mechanical seal self-flushing pump cover structure of pipeline pump | |
| CN2931879Y (en) | Vertical, short axis and non-immersed oxide scale pump | |
| CN2413063Y (en) | Vertical self-priming discharge pump | |
| CN219472364U (en) | Anti-backflow submersible pump | |
| CN205779753U (en) | A kind of three-phase rustless steel vertical pipeline mounted pump | |
| CN201236815Y (en) | Non-leakage two-stage self-suction pump | |
| CN216589163U (en) | Vertical pipeline pump | |
| CN201152278Y (en) | Micropressure labyrinth seal energy saving pump | |
| CN216894939U (en) | Pump body structure of pipeline pump | |
| CN220415703U (en) | Double-suction pump capable of preventing groove from accumulating water | |
| CN210623202U (en) | Flow deflector seal structure of vertical drain pump of loosing core | |
| CN201236816Y (en) | Automatic control self-suction pump | |
| CN217013575U (en) | Water outlet nozzle of coupler of automatic water injection kettle | |
| CN214839118U (en) | Straight type connector with valve | |
| CN213450860U (en) | Non-sealing self-control self-priming pump | |
| CN2391035Y (en) | Acid and alkali-resisting self priming pump | |
| CN220650261U (en) | Supporting device for pressure vessel water pressure experiment | |
| CN215719960U (en) | Rotary hydraulic station | |
| CN207879644U (en) | A kind of sand discharging pump water inlet joint |
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 |