CN104895833A - Self-suction type clean water pump - Google Patents
Self-suction type clean water pump Download PDFInfo
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- CN104895833A CN104895833A CN201510384868.0A CN201510384868A CN104895833A CN 104895833 A CN104895833 A CN 104895833A CN 201510384868 A CN201510384868 A CN 201510384868A CN 104895833 A CN104895833 A CN 104895833A
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- end plate
- blade
- impeller
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- liquid
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Abstract
The invention discloses a self-suction type clean water pump. The self-suction type clean water pump comprises a pump body, wherein an impeller for axially throwing out a liquid and feeding the thrown-out liquid into a water outlet tube is mounted in an impeller mounting cavity of the pump body; a gap between the edge of the impeller and the impeller mounting cavity is set to be 2 cm; the impeller comprises an upper end plate, a lower end plate and a plurality of blades for connecting the upper end plate with the lower end plate; shaft holes for mounting the impeller on a transmission shaft are formed in centers of the upper end plate and the lower end plate; the upper end plate and the lower end plate are equal in diameter, and the length of the blades is greater than the radius of the upper end plate; when the blades reach the water outlet tube, the front ends of the blades extend into the water outlet tube; an upper end plate groove for allowing the liquid to axially flow out is formed in the upper end plate, and a lower end plate groove which is used for allowing the liquid to axially flow out and is staggered with the upper end plate groove is formed in the lower end plate.
Description
Technical field
The present invention relates to pump technology field, be specifically related to a kind of self-priming clean waterpump.
Technical field
The impeller of self-priming clean waterpump inside mainly adopts enclosed impeller, and enclosed impeller is made up of blade and forward and backward cover plate.The efficiency of double shrouded wheel is higher, manufacture difficulty is larger.Self-priming clean waterpump is mainly suitable for carrying clear water, the clean liquid not containing particle that the viscositys such as solution are less.
At present, its water (flow) direction of enclosed impeller relies on centrifugal force to throw away along impeller diameter direction, rises and collects liquid and realize kinetic energy just must be arranged in radial direction from impeller to the impeller installation cavity of potential energy.Make the size of impeller installation cavity larger; For large discharge water pump, while its flow increases, impeller size can and then increase, in any case the radial and axial size ratio of blade section of adjustment impeller, the radial dimension of impeller installation cavity and water pump also can and then increase considerably.
Summary of the invention
For above-mentioned deficiency of the prior art, self-priming clean waterpump provided by the invention, by stretching out the effect of cooperatively interacting of the blade of upper end plate, upper end plate groove and lower end plate groove, considerably reduces the volume of water pump.
In order to reach foregoing invention object, the technical solution used in the present invention is:
There is provided a kind of self-priming clean waterpump, it comprises the pump housing, is provided with liquid from axially throwing away and the liquid thrown away can being sent into the impeller in outlet pipe in the impeller installation cavity of the pump housing; Gap between vane edge and impeller installation cavity is set to 2cm; Some blades that impeller comprises end plate, lower end plate and upper end plate and lower end plate linked together;
The axis hole for being arranged on by impeller on transmission shaft is all offered in the center of upper end plate and lower end plate; The equal diameters of upper end plate and lower end plate, and the length of blade is greater than the radius of end plate; When blade arrives outlet pipe, the front end of blade is stretched in outlet pipe; Upper end plate is provided with the upper end plate groove axially flowed out for liquid, lower end plate has and axially flows out and the lower end plate groove shifted to install with upper end plate groove for liquid.
Beneficial effect of the present invention is: after being arranged to the length of blade to be greater than the radius of upper end plate, impeller is when carrying liquid, the blade that part stretches out end plate can directly stretch in outlet pipe, directly liquid is sent in outlet pipe, do not need to design larger radial dimension in contiguous water outlet pipe part like this and carry out receiving fluids, make the distance between vane edge and impeller installation cavity accomplish 2cm; Thus effectively reduce the size of impeller installation cavity, and then reduce the volume of water pump.
In addition, the blade stretching out wheel sections can also increase the inflow (flow) of impeller, and when like this with traditional water pump same volume, this semi-open type water pump vane significantly can improve the flow of water pump.
Enter the upper end plate groove that the liquid in impeller can be arranged from upper end plate edge and the lower end plate groove outflow arranged at lower end plate edge, liquid is flowed out by radial direction and changes over horizontal outflow, impeller installation cavity is designed to axial arranged by original radial arrangement, and the size of impeller installation cavity is reduced further.
By extending the effect of cooperatively interacting of the blade of upper end plate, upper end plate groove and lower end plate groove, the size of the impeller installation cavity of water pump at least can reduce 25%.
Upper end plate extension part and lower end plate extension part can be protected the upper and lower side of blade, extend the working life of blade.
The cutting part that vane nose is arranged can cut the foreign material entered in water pump materials such as () fiber, branch and paper scraps, prevents impeller locking, ensure that the safe and reliable operation of water pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of self-priming clean waterpump.
Fig. 2 is the structural representation that blade is fixedly mounted on lower end plate.
Fig. 3 is the structural representation of impeller.
Fig. 4 is the structural representation of upper end plate.
Fig. 5 is the stereogram of the blade being provided with cutting part.
Wherein, 1, lower end plate; 11, lower end plate extension part; 12, lower end plate groove; 2, blade; 21, stiffening rib; 22, cutting part; 3, upper end plate; 31, upper end plate extension part; 32, upper end plate groove; 4, axis hole; 5, the pump housing; 51, outlet pipe; 52, intake pipe; 53, impeller installation cavity.
Embodiment
Below the specific embodiment of the present invention is described; so that those skilled in the art understand the present invention; but should be clear; the invention is not restricted to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present invention determined, these changes are apparent, and all innovation and creation utilizing the present invention to conceive are all at the row of protection in appended claim.
The structural representation of self-priming clean waterpump is shown with reference to figure 1, Fig. 1.As shown in Figure 1, this self-priming clean waterpump comprises the pump housing 5, and the downside of the pump housing 5 is connected with intake pipe 52, and upside is connected with outlet pipe 51; Be provided with liquid in the impeller installation cavity 53 of the pump housing 5 from axially throwing away and the liquid thrown away can being sent into the impeller in outlet pipe 51.
The setting of this impeller, can change into axis by the liquid of output by former radial direction, did not need to design larger radial dimension like this and carried out receiving fluids, make the clearance distance between vane edge and impeller installation cavity 53 accomplish 2cm at contiguous outlet pipe 51 place.
The structural representation of impeller is shown with reference to figure 3, Fig. 3.As shown in Figure 3, this impeller some blades 2 of comprising end plate 3, lower end plate 1 and upper end plate 3 and lower end plate 1 being linked together; The axis hole 4 for being arranged on by impeller on transmission shaft (water pump inside is used for the axle of transferring power) is all offered in the center of upper end plate 3 and lower end plate 1.
Wherein, the equal diameters of upper end plate 3 and lower end plate 1, and the length of blade 2 is greater than the radius of end plate.When blade 2 arrives outlet pipe 51, the front end of blade 2 is stretched in outlet pipe 51; The blade 2 that such part stretches out end plate 3 can directly stretch in outlet pipe 51, directly to be sent in outlet pipe 51 by liquid.
Show blade 2 with reference to figure 2 and Fig. 4, Fig. 2 and be fixedly mounted on structural representation on lower end plate 1; Fig. 4 shows the structural representation of end plate 3.As shown in Figure 2 and Figure 4, end plate 3 is provided with for this upper end plate groove 32 axially flowed out for liquid, lower end plate 1 has and axially flows out and the lower end plate groove 12 shifted to install with upper end plate groove 32 for liquid.
The upper end plate groove 32 shifted to install and lower end plate groove 12 can make the outflow direction of liquid change over axially evenly flowing out of whole impeller by original radial direction, make impeller installation cavity 53 be designed to axial arranged by original radial arrangement simultaneously, greatly reduce the volume of water pump.
Cause in order to avoid the current flowed out from upper end plate groove 32 and lower end plate groove 12 are not of uniform size, cause vane edge discontinuity, so the size of upper end plate groove 32 is equaled the size of lower end plate groove 12.Such setting, also further ensures the uniformity of axial trickle from each upper end plate groove 32 and lower end plate groove 12.
The blade 2 of this impeller can arrange curved, can make like this angle between the liquid that throws away from upper end plate groove 32 and lower end plate groove 12 and pump outlet to the greatest extent can little.
The thickness that blade 2 is often located and highly all equal, makes the two panels blade 2 being positioned at lower end plate extension part 11 place that the root of its opposite side is provided with a slice and the integrated stiffening rib 21 of lower end plate 1 simultaneously.Can ensure that impeller is under the working condition of high strength like this, blade 2 not frangibility; The setting of stiffening rib 21 position mainly from the viewpoint of it to the supporting dynamics of blade 2 be convenient to processing.
In one embodiment of the invention; in order to reduce the impact of liquid to blade 2 the upper side and lower side, measure-alike to what the upper end plate extension part 31 protected on the upside of blade 2 and lower end plate 1 are used for the lower end plate extension part 11 protected on the downside of blade 2 by upper end plate 3 is used for.
Upper end plate extension part 31 and lower end plate extension part 11 are sized to identical and upper end plate groove 32 and lower end plate groove 12 and are sized to identically can also make the identical in quality of the two ends up and down of impeller, to ensure the dynamic balancing of impeller.
This self-priming clean waterpump be mainly used in some clear water or year less liquid conveying, and in these liquid, can have that some are similar to fiber, branch, leaf and Zhi Xie Alto material unavoidably, and these material long term accumulation very easily cause water pump block and have a strong impact on the working life of water pump in water pump.
In order to avoid the foreign material in water affect the working life of water pump, in one embodiment of the invention, the stereogram of the blade 2 being provided with cutting part 22 is shown with reference to figure 5, Fig. 5.As shown in Figure 5, every sheet blade 2 is welded with a cutting part 22 for cutting the fibrous matter in liquid in the face side of its front end.
The introducing of cutting part 22, can cut foreign material such as the fiber contained in liquid, branch, leaf and paper scraps, avoids also impeller internal blocking, can also prevent impeller locking simultaneously, ensure that the safe and reliable operation of water pump.
In order to the impact that the foreign material reduced in liquid normally work on impeller, the foreign material such as the fiber contained in liquid, branch, leaf and paper scrap preferably enter impeller installation cavity 53 just and are just pulverized, so in one embodiment of the invention, cutting part 22 can be positioned at the middle part of blade 2 short transverse, and part cutting part 22 stretches out the edge of lower end plate 1.
Certain sharpness is ensured, so the section of preferred cutting part 22 is triangular in shape in this programme while there is larger hardness in order to make cutting part 22.
In sum, this self-priming clean waterpump can reduce water pump body 5 significantly by the effect of cooperatively interacting of extending the blade 2 of upper end plate 3, upper end plate groove 32 and lower end plate groove 12 and amasss; Meanwhile, the introducing of cutting part 22 can extend the working life of water pump effectively.
Although describe in detail the specific embodiment of the present invention by reference to the accompanying drawings, should not be construed as the restriction of the protection domain to this patent.In the scope described by claims, the various amendment that those skilled in the art can make without creative work and distortion still belong to the protection domain of this patent.
Claims (7)
1. self-priming clean waterpump, comprises the pump housing; It is characterized in that: liquid is installed from axially throwing away and the liquid thrown away can being sent into the impeller in outlet pipe in the impeller installation cavity of the described pump housing; Gap between described vane edge and described impeller installation cavity is set to 2cm; Some blades that described impeller comprises end plate, lower end plate and upper end plate and lower end plate linked together;
The center of end plate and lower end plate all offers the axis hole for being arranged on by impeller on transmission shaft on described; The equal diameters of described upper end plate and described lower end plate, and the length of described blade is greater than the radius of described upper end plate; When described blade arrives described outlet pipe, the front end of blade is stretched in described outlet pipe; Described upper end plate is provided with the upper end plate groove axially flowed out for liquid, described lower end plate has and axially flows out and the lower end plate groove shifted to install with described upper end plate groove for liquid.
2. self-priming clean waterpump according to claim 1, is characterized in that: the size of described upper end plate groove equals the size of described lower end plate groove; Described blade is curved, and the thickness often located of blade and highly all equal.
3. self-priming clean waterpump according to claim 1 and 2, is characterized in that: measure-alike for for to the lower end plate extension part protected on the downside of blade on the upper end plate extension part protected on the upside of blade and described lower end plate on described upper end plate.
4. self-priming clean waterpump according to claim 3, is characterized in that: the two panels blade being positioned at described lower end plate extension part place is provided with a slice and the integrated stiffening rib of lower end plate at the root of its opposite side.
5. the self-priming clean waterpump according to claim 1,2 or 4, is characterized in that: blade described in every sheet is welded with a cutting part for cutting the fibrous matter in liquid in the face side of its front end.
6. self-priming clean waterpump according to claim 5, is characterized in that: described cutting part is in the middle part in described blade height direction, and part cutting part stretches out the edge of described wheel disc.
7. self-priming clean waterpump according to claim 6, is characterized in that: the section of described cutting part is triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384868.0A CN104895833B (en) | 2015-06-30 | 2015-06-30 | Self-priming clarified water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384868.0A CN104895833B (en) | 2015-06-30 | 2015-06-30 | Self-priming clarified water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104895833A true CN104895833A (en) | 2015-09-09 |
| CN104895833B CN104895833B (en) | 2017-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510384868.0A Active CN104895833B (en) | 2015-06-30 | 2015-06-30 | Self-priming clarified water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104895833B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857195A (en) * | 2017-04-01 | 2017-06-20 | 四川省机械研究设计院 | Self-propelled mobile solar energy irrigates by lifting water to a higher level with a water pump, etc. plant protection unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2276077A (en) * | 1941-05-09 | 1942-03-10 | Duriron Co | Pump impeller |
| US4548545A (en) * | 1983-04-04 | 1985-10-22 | Dorr-Oliver Incorporated | Centrifugal pump with deaeration chamber |
| JPH10227291A (en) * | 1997-02-14 | 1998-08-25 | Shibaura Eng Works Co Ltd | Self-priming pump |
| CN1209194A (en) * | 1995-12-26 | 1999-02-24 | 英格索尔－备雷泽泵公司 | Pump impeller having separate offset inlet vanes |
| CN2596079Y (en) * | 2002-09-11 | 2003-12-31 | 关醒凡 | Vertical constant delivery-head pump used for fire-fighting |
| JP2010065528A (en) * | 2008-09-08 | 2010-03-25 | Nidec Shibaura Corp | Pump |
| US20140178190A1 (en) * | 2012-12-20 | 2014-06-26 | Ge Oil & Gas Esp, Inc. | Multiphase pumping system |
-
2015
- 2015-06-30 CN CN201510384868.0A patent/CN104895833B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2276077A (en) * | 1941-05-09 | 1942-03-10 | Duriron Co | Pump impeller |
| US4548545A (en) * | 1983-04-04 | 1985-10-22 | Dorr-Oliver Incorporated | Centrifugal pump with deaeration chamber |
| CN1209194A (en) * | 1995-12-26 | 1999-02-24 | 英格索尔－备雷泽泵公司 | Pump impeller having separate offset inlet vanes |
| JPH10227291A (en) * | 1997-02-14 | 1998-08-25 | Shibaura Eng Works Co Ltd | Self-priming pump |
| CN2596079Y (en) * | 2002-09-11 | 2003-12-31 | 关醒凡 | Vertical constant delivery-head pump used for fire-fighting |
| JP2010065528A (en) * | 2008-09-08 | 2010-03-25 | Nidec Shibaura Corp | Pump |
| US20140178190A1 (en) * | 2012-12-20 | 2014-06-26 | Ge Oil & Gas Esp, Inc. | Multiphase pumping system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857195A (en) * | 2017-04-01 | 2017-06-20 | 四川省机械研究设计院 | Self-propelled mobile solar energy irrigates by lifting water to a higher level with a water pump, etc. plant protection unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104895833B (en) | 2017-03-08 |
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