CN208651275U - A kind of annular pumping chamber structure of the pump housing - Google Patents
A kind of annular pumping chamber structure of the pump housing Download PDFInfo
- Publication number
- CN208651275U CN208651275U CN201821497682.1U CN201821497682U CN208651275U CN 208651275 U CN208651275 U CN 208651275U CN 201821497682 U CN201821497682 U CN 201821497682U CN 208651275 U CN208651275 U CN 208651275U
- Authority
- CN
- China
- Prior art keywords
- pump
- pump housing
- pumping chamber
- impeller
- discharge opening
- 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.)
- Expired - Fee Related
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000005242 forging Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 229910001315 Tool steel Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 30
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000005381 potential energy Methods 0.000 abstract description 10
- 238000005457 optimization Methods 0.000 description 9
- 238000005266 casting Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of annular pumping chamber structures of pump housing, including pumping ontology, it pumps ontology and is equipped with suction inlet and discharge opening, radial direction setting of the center line of the discharge opening along pump ontology, impeller is equipped in pump ontology, and annular pumping chamber is formed between pump ontology internal perisporium and impeller circumferential direction outer profile, discharge opening inner end is in mutually to provide to set with annular pumping chamber, it is characterized in that, the inner sidewall opposite with impeller work rotation direction of discharge opening inner end is equipped with the water conservancy diversion protrusion being extended towards impeller center direction, and the circumferential profile of water conservancy diversion protrusion and impeller is set in distance.The utility model enables to the power potential energy of liquid to lose smaller advantage with that can facilitate processing and manufacturing.
Description
Technical field
The utility model relates to the annular pumping chamber technical field of the pump housing more particularly to a kind of annular pumping chamber knots of pump housing
Structure.
Background technique
In low specific-speed centrifugal pump lesser for flow, because using scroll casing shape pumping chamber to have the shortcomings that casting is difficult,
It can usually select to use the simple annular pumping chamber of structure (as depicted in figs. 1 and 2) in the design to overcome manufacture is difficult to lack
Point, annular pumping chamber can be used forging and obtain.But the center without radial vane goes out to flow annular pumping chamber in use, because
It is in be overlapped setting that the center line of the vertical exit of pump, which is with the center line of pumping chamber, and liquid is after the import of pump entrance, impeller
Power is provided for liquid, so that liquid is flowed out from the outlet of pump, in the process, liquid enters outlet from annular pumping chamber
In the process, the power potential energy loss of liquid is very big, so that the fugitive dust of pump is affected.
Therefore, how can design one kind can facilitate processing and manufacturing, and the power potential energy of liquid is enabled to lose more
The annular pumping chamber structure of the small pump housing, becoming those skilled in the art has technical problem to be solved.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to design a kind of energy
Enough facilitate processing and manufacturing, the power potential energy of liquid is enabled to lose the annular pumping chamber structure of smaller radial outflow pump body.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of annular pumping chamber structure of the pump housing, including pump ontology, pump ontology is equipped with suction inlet and discharge opening, described to spit
The center line of outlet is equipped with impeller along the radial direction setting of pump ontology in pump ontology, and pumps ontology internal perisporium and impeller week
To annular pumping chamber is formed between outer profile, discharge opening inner end is in mutually to provide to set with annular pumping chamber, which is characterized in that discharge opening
The inner sidewall opposite with impeller work rotation direction of inner end is equipped with the water conservancy diversion protrusion being extended towards impeller center direction,
And the circumferential profile of water conservancy diversion protrusion and impeller is set in distance.
In this way, impeller rotates so that liquid is in annular by the water conservancy diversion protrusion that above structure is arranged on annular pumping chamber
There is power potential energy, for liquid when by discharge opening lower end, water conservancy diversion protrusion has the function of guiding to liquid, reduces in pumping chamber
Circulating loss in annular extrusion chamber allows fluid to preferably spue from discharge opening, so that the power potential energy of liquid is lost
It is smaller, improve the working efficiency of pump.And the annular pumping chamber of above structure has structure simple, and forging process mode can be used
It obtains, bring casting flaw when avoiding the casting of spirality Crucible shell delivery chamber, to facilitate being manufactured for annular pumping chamber.
That is, the annular pumping chamber of above structure has had both simultaneously facilitates processing and manufacturing, and the power potential energy of liquid when work is lost
Smaller advantage.
As optimization, the water conservancy diversion protrusion is tilted close to one end of impeller towards the direction close to discharge opening center line.
In this way, make in water conservancy diversion protrusion for water conservancy diversion part be it is inclined, liquid can be facilitated preferably to pass through water conservancy diversion
Protrusion simultaneously flows out discharge opening.So that the guide effect of entire water conservancy diversion protrusion is more preferable, after enabling to liquid to pass through from water conservancy diversion protrusion
More smoothly flowed out from discharge opening.
As optimization, the mode that the water conservancy diversion projects through built-up welding is obtained.
In such manner, it is possible to the processing and manufacturing of more convenient water conservancy diversion protrusion, and manufacturing cost is lower.
As optimization, be fixedly connected with baffle on pump ontology internal perisporium, the medial surface of baffle be arcwall face and with
Pump the medial surface smooth excessiveness of ontology；And the water conservancy diversion protrusion is formed on baffle.
In such manner, it is possible to facilitate first baffle is completed and is arranged accordingly water conservancy diversion protrusion after entire baffle is consolidated again
Due to pumping on ontology, have the advantages that facilitate machine-shaping water conservancy diversion raised.
As optimization, the mounting surface for being affixed cooperation with pump ontology internal perisporium on baffle is designed in cascaded surface, and the peace
It is in the cascaded surface reduced step by step that dress face, which is along impeller direction of rotation, is equipped with and the mounting surface phase on the internal perisporium of pump ontology
The stationary plane matched, and be fastened by bolts part between baffle and pump ontology and be fixedly connected.
In this way, can be limited to baffle in vertical and horizontal direction, energy by mutually matched two step surfaces
It is enough so that the water conservancy diversion protrusion on baffle preferably removes to bear impact force when liquid flowing in vertical and horizontal direction.
As optimization, the material of the baffle is tool steel.
Water conservancy diversion protrusion is made using better material in such manner, it is possible to facilitate, so that water conservancy diversion protrusion preferably goes to bear
The impact force of liquid.
As optimization, the pump ontology includes the pump housing and the pump front cover that is mounted on the pump housing, sets in the circumferential side wall of the pump housing
There is the discharge opening being arranged radially along its own, the axial front side for pumping front cover is equipped with the suction inlet, is equipped with and turns on the pump housing
Axis, the rear end of shaft pass through the pump housing to form power intake；The impeller is installed on pumping the intracorporal shaft.
In this way, entirely the structure of pump ontology is simpler, structure is more compact.
As optimization, the pump front cover and the equal forging molding of the pump housing.
In such manner, it is possible to the processing and manufacturing of more convenient pair of pump front cover and the pump housing.
As optimization, outlet(discharge) flange is also fixedly connected on the pump housing, and the outlet(discharge) flange is set with discharge opening coaxial line
It sets.
In such manner, it is possible to more convenient liquid guide flow by discharge opening to pump body exterior.
As optimization, the cross-sectional area between water conservancy diversion protrusion and impeller circumferential direction profile is greater than or equal to discharge opening basal area
1/5th.
In this way, making pressure of the liquid by water conservancy diversion protrusion when bigger, allow fluid to preferably be led by water conservancy diversion protrusion
To arrive protruding openning.
Detailed description of the invention
The structural schematic diagram of Fig. 1 annular pumping chamber in the prior art.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that the structural schematic diagram in specific embodiment of the present invention (does not show pump front cover, impeller, shaft in figure
And outlet(discharge) flange).
Fig. 4 is the left view of Fig. 3.
The partial enlarged view (structure type that baffle uses built-up welding) that Fig. 5 is Fig. 4.
The partial enlarged view (structure type that baffle uses threaded fastener connection) that Fig. 6 is Fig. 4.
Fig. 7 is the structural schematic diagram (not showing outlet(discharge) flange in figure) for having used the pump pump housing of the utility model structure.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
When specific implementation: as shown in Fig. 3 to Fig. 7, a kind of annular pumping chamber structure of the pump housing, including pump ontology, pump ontology
It is equipped with suction inlet and discharge opening 1, the center line of the discharge opening is equipped in pump ontology along the radial direction setting of pump ontology
Impeller, and pump and form annular pumping chamber 2, discharge opening inner end and annular pumping chamber between ontology internal perisporium and impeller circumferential direction outer profile
It is set in mutually providing, which is characterized in that the inner sidewall opposite with impeller work rotation direction of discharge opening inner end is equipped with towards leaf
The extended water conservancy diversion protrusion 3 of center position is taken turns, and the circumferential profile of water conservancy diversion protrusion and impeller is set in distance.
In this way, impeller rotates so that liquid is in annular by the water conservancy diversion protrusion that above structure is arranged on annular pumping chamber
There is power potential energy, for liquid when by discharge opening lower end, water conservancy diversion protrusion has the function of guiding to liquid, reduces in pumping chamber
Circulating loss in annular extrusion chamber allows fluid to preferably spue from discharge opening, so that the power potential energy of liquid is lost
It is smaller, improve the working efficiency of pump.And the annular pumping chamber of above structure has structure simple, and forging process mode can be used
It obtains, bring casting flaw when avoiding the casting of spirality Crucible shell delivery chamber, to facilitate being manufactured for annular pumping chamber.
That is, the annular pumping chamber of above structure has had both simultaneously facilitates processing and manufacturing, and the power potential energy of liquid when work is lost
Smaller advantage.
In present embodiment, the water conservancy diversion protrusion 3 is close to one end of impeller towards the side close to discharge opening center line
To inclination.
In this way, make in water conservancy diversion protrusion for water conservancy diversion part be it is inclined, liquid can be facilitated preferably to pass through water conservancy diversion
Protrusion simultaneously flows out discharge opening.So that the guide effect of entire water conservancy diversion protrusion is more preferable, after enabling to liquid to pass through from water conservancy diversion protrusion
More smoothly flowed out from discharge opening.
In present embodiment, the water conservancy diversion protrusion 3 is obtained by way of built-up welding.
In such manner, it is possible to the processing and manufacturing of more convenient water conservancy diversion protrusion, and manufacturing cost is lower.
In present embodiment, baffle 4 is fixedly connected on pump ontology internal perisporium, the medial surface of baffle is arc
Shape face and with pump ontology medial surface smooth excessiveness；And the water conservancy diversion protrusion 3 is formed on baffle.
In such manner, it is possible to facilitate first baffle is completed and is arranged accordingly water conservancy diversion protrusion after entire baffle is consolidated again
Due to pumping on ontology, have the advantages that facilitate machine-shaping water conservancy diversion raised.
In present embodiment, the mounting surface for being affixed cooperation with pump ontology internal perisporium on baffle 4 is designed in cascaded surface,
And it is in the cascaded surface reduced step by step that the mounting surface, which is along impeller direction of rotation, is equipped with and the peace on the internal perisporium of pump ontology
The stationary plane that dress face matches, and be fastened by bolts part between baffle and pump ontology and be fixedly connected.
In this way, can be limited to baffle in vertical and horizontal direction, energy by mutually matched two step surfaces
It is enough so that the water conservancy diversion protrusion on baffle preferably removes to bear impact force when liquid flowing in vertical and horizontal direction.
In present embodiment, the material of the baffle 4 is tool steel.
Water conservancy diversion protrusion is made using better material in such manner, it is possible to facilitate, so that water conservancy diversion protrusion preferably goes to bear
The impact force of liquid.
In present embodiment, the pump front cover 6 that the pump ontology includes the pump housing 5 and is mounted on the pump housing, the week of the pump housing
The discharge opening being arranged radially along its own is equipped with to side wall, the axial front side for pumping front cover is equipped with the suction inlet 7, the pump housing
On shaft 8 is installed, the rear end of shaft passes through the pump housing to form power intake；It is installed on pumping the intracorporal shaft
State impeller 9.
In this way, entirely the structure of pump ontology is simpler, structure is more compact.
In present embodiment, the pump front cover and the equal forging molding of the pump housing.
In such manner, it is possible to the processing and manufacturing of more convenient pair of pump front cover and the pump housing.
In present embodiment, outlet(discharge) flange, and the outlet(discharge) flange and discharge opening are also fixedly connected on the pump housing
It is coaxially set.
In such manner, it is possible to more convenient liquid guide flow by discharge opening to pump body exterior.
In present embodiment, the cross-sectional area between water conservancy diversion protrusion and impeller circumferential direction profile is greater than or equal to discharge opening
/ 5th of basal area.
In this way, making pressure of the liquid by water conservancy diversion protrusion when bigger, allow fluid to preferably be led by water conservancy diversion protrusion
To arrive protruding openning.
Claims (10)
1. a kind of annular pumping chamber structure of pump housing, including pump ontology, pump ontology is equipped with suction inlet and discharge opening (1), described
The center line of discharge opening is equipped with impeller, and pump ontology internal perisporium and impeller along the radial direction setting of pump ontology in pump ontology
Annular pumping chamber (2) are formed between circumferential outer profile, discharge opening inner end is in mutually to provide to set with annular pumping chamber, which is characterized in that
The inner sidewall opposite with impeller work rotation direction of discharge opening inner end, which is equipped with towards what impeller center direction was extended, leads
Raised (3) are flowed, and the circumferential profile of water conservancy diversion protrusion and impeller is set in distance.
2. a kind of annular pumping chamber structure of the pump housing as described in claim 1, which is characterized in that the water conservancy diversion raised (3) leans on
One end of nearly impeller is tilted towards the direction close to discharge opening center line.
3. a kind of annular pumping chamber structure of the pump housing as claimed in claim 2, which is characterized in that the water conservancy diversion raised (3) is logical
The mode for crossing built-up welding obtains.
4. a kind of annular pumping chamber structure of the pump housing as claimed in claim 2, which is characterized in that solid on pump ontology internal perisporium
Surely it is connected with baffle (4), the medial surface of baffle is arcwall face and the medial surface smooth excessiveness with pump ontology；And in baffle
It is upper to form the water conservancy diversion protrusion (3).
5. a kind of annular pumping chamber structure of the pump housing as claimed in claim 4, which is characterized in that on baffle (4) originally with pump
The mounting surface that internal peripheral wall is affixed cooperation is designed in cascaded surface, and the mounting surface is in reduce step by step along impeller direction of rotation
Cascaded surface is equipped with the stationary plane to match with the mounting surface on the internal perisporium of pump ontology, and between baffle and pump ontology
Part is fastened by bolts to be fixedly connected.
6. a kind of annular pumping chamber structure of the pump housing as claimed in claim 5, which is characterized in that the material of the baffle (4)
Matter is tool steel.
7. a kind of annular pumping chamber structure of the pump housing as described in claim 1, which is characterized in that the pump ontology includes the pump housing
(5) and the pump front cover (6) that is mounted on the pump housing, the circumferential side wall of the pump housing are equipped with the discharge being arranged radially along its own
Mouthful, the axial front side for pumping front cover is equipped with the suction inlet (7), be equipped with shaft (8) on the pump housing, the rear end of shaft pass through the pump housing with
Form power intake；The impeller (9) are installed on pumping the intracorporal shaft.
8. a kind of annular pumping chamber structure of the pump housing as claimed in claim 7, which is characterized in that the pump front cover and the pump housing are equal
Forging molding.
9. a kind of annular pumping chamber structure of the pump housing as described in claim 1, which is characterized in that be also fixedly connected on the pump housing
There is outlet(discharge) flange, and the outlet(discharge) flange is coaxially set with discharge opening.
10. a kind of annular pumping chamber structure of the pump housing as described in claim 1, which is characterized in that water conservancy diversion protrusion and impeller week
It is greater than or equal to 1/5th of discharge opening basal area to the cross-sectional area between profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821497682.1U CN208651275U (en) | 2018-09-13 | 2018-09-13 | A kind of annular pumping chamber structure of the pump housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821497682.1U CN208651275U (en) | 2018-09-13 | 2018-09-13 | A kind of annular pumping chamber structure of the pump housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651275U true CN208651275U (en) | 2019-03-26 |
Family
ID=65792785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821497682.1U Expired - Fee Related CN208651275U (en) | 2018-09-13 | 2018-09-13 | A kind of annular pumping chamber structure of the pump housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651275U (en) |
-
2018
- 2018-09-13 CN CN201821497682.1U patent/CN208651275U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106907348B (en) | Impeller and pump using same | |
| US9028209B2 (en) | Pipeline pump shaped by stamping and welding | |
| CN101725561A (en) | Impeller structure of rotary shell type pump | |
| CN106224286A (en) | The guide vane structure of band floating choma | |
| CN208651275U (en) | A kind of annular pumping chamber structure of the pump housing | |
| CN105673571A (en) | Hydraulic design method of efficient large-overflowing rotational flow pump quasi-circular water-compressing chamber | |
| CN100432443C (en) | Centrifugal pump for deep well | |
| CN105275880A (en) | Flow mixing type nuclear main pump | |
| CN105864033B (en) | Vane pump | |
| CN107120314A (en) | Axle envelope formula core main pump pumping chamber | |
| CN209523887U (en) | Spatial warping plastic impeller formula well immersible pump | |
| CN204828026U (en) | Novel prevent stifled antiwind spiral centrifugation impeller | |
| CN206458644U (en) | Guide vane structure with floating choma | |
| CN201794830U (en) | Water-absorbing chamber of multistage centrifugal pump | |
| CN106949068B (en) | The Turo pump of cutting blade built in a kind of pump housing | |
| CN208330754U (en) | A kind of cantilever type single-stage centrifugal pump | |
| CN101713411A (en) | Semi-open impeller pump with sealing cover plate structure | |
| CN207660831U (en) | A kind of tubular centrifugal multistage pump multiple centrifugal pump first stage impeller double suction pump housing flow passage structure | |
| CN209856098U (en) | Novel impeller assembly of centrifugal pump | |
| CN203670235U (en) | Double-impeller submersible pump | |
| CN209324730U (en) | A kind of self-suction pump impeller structure | |
| CN100365288C (en) | A Back Blade Structure for Centrifugal Pumps | |
| CN204783785U (en) | Swirl pump | |
| CN200989330Y (en) | Segmental symmetrical scroll guide ring multistage centrigfugal pump | |
| CN106246605A (en) | A kind of rotary-jet pump header using double split flow blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |