CN203670235U - Double-impeller submersible pump - Google Patents
Double-impeller submersible pump Download PDFInfo
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- CN203670235U CN203670235U CN201420008226.1U CN201420008226U CN203670235U CN 203670235 U CN203670235 U CN 203670235U CN 201420008226 U CN201420008226 U CN 201420008226U CN 203670235 U CN203670235 U CN 203670235U
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- impeller
- water
- pump
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- sencond stage
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Abstract
The utility model provides a double-impeller submersible pump, and belongs to the technical field of water pumps. The problems that an existing double-impeller submersible pump is too large in hydraulic loss and low in efficiency are solved. The double-impeller submersible pump comprises a submersible motor, a pump body arranged below the submersible motor and a double-spiral volute arranged below the pump body, a water outlet is formed in the side portion of the pump body, two symmetrically-arranged spraying openings are formed in the double-spiral volute, an opening is formed in the lower portion of the double-spiral volute, a water pump shaft is vertically arranged in the pump body, the water pump shaft is sleeved with a first-level impeller in the double-spiral volute and a second-level impeller in the pump body, a first axial inlet communicated with the opening and a first radial outlet communicated with the spraying openings are formed in the first-level impeller, a second axial inlet and a second radial outlet communicated with the water outlet are formed in the second-level impeller, and a water passing channel used for being communicated with the second inlet and the spraying openings is arranged in the pump body. The double-impeller submersible pump has the advantages of being small in hydraulic loss, high in flow, high in efficiency and the like.
Description
Technical field
The utility model belongs to pump technology field, relates to a kind of submersible pump, particularly a kind of bilobed wheel submersible pump.
Background technique
Enterprise's general lower suction type single-stage blade wheel structure that adopts on small-sized diving electric pump at present, although in employing Multi-stage pump structure form in submersible pump for well, but water pump vane be designed to equidirectional rotation, by radially current are imported next stage impeller or exit of pump by stator or spatial guide blade, because impeller turns to equidirectionally, while causing pump working, produce larger axial force.In some high-lift submersible pumps, the specific speed of water pump is too low, and impeller outer diameter is excessive, causes impeller outlet width too small, and impeller is manufactured difficulty.When adopt bilobed wheel assemble back-to-back structure time, due to the restriction of product structure, make it in the time proceeding to second level impeller water conservancy diversion from first order impeller, the water outlet of its pump cover and the water intake of the pump housing are too small, and the current that make it water pump institute product are difficult to enter next stage impeller by flow-guiding mouth, cause flow energy greatly to reduce, hydraulic loss is excessive, pump efficiency is low, and flow is little, does not reach the object of artificer's design.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the bilobed wheel submersible pump that a kind of flow is large, pump efficiency is high.
The purpose of this utility model can realize by following technical proposal:
This bilobed wheel submersible pump, comprise submersible motor, be located at the pump housing and the double helix spiral case of being located at pump housing below of submersible motor below, the sidepiece of the described pump housing has water outlet, on described double helix spiral case, there are two symmetrically arranged jetburners, and the bottom of described double helix spiral case has opening, it is characterized in that, in the described pump housing, be vertically provided with the water pump spindle being driven by submersible motor, the lower end of described water pump spindle stretches in double helix spiral case, on described water pump spindle, be arranged with the one-level impeller that is positioned at double helix spiral case and the sencond stage impeller that is positioned at the pump housing, on described one-level impeller, there is the radially outlet one being communicated with the axial inlet one of above-mentioned open communication with above-mentioned jetburner, the radially outlet two that there is axial inlet two on described sencond stage impeller and be communicated with above-mentioned water outlet, in the described pump housing, there is the water channel of crossing for being communicated with import two and jetburner.
The pump housing in this structure is single-screw spiral case, and in the time that submersible motor is worked, water pump spindle High Rotation Speed, drives one-level impeller and sencond stage impeller synchronously to rotate.When one-level wheel rotation, the water that is positioned at opening enters one-level impeller, by one-level impeller, it is carried out to supercharging, water after supercharging is discharged through two symmetrically arranged jetburners by exporting one, because passing through water channel, jetburner was communicated with import two, water enters to and in sencond stage impeller, carries out supercharging again, collect and the high pressure water in outlet two is drained into water outlet by the pump housing, thereby completing the whole working procedure of water pump.
In above-mentioned a kind of bilobed wheel submersible pump, described water channel is excessively two: cross water channel one and cross water channel two, described crossing water channel one and cross water channel two is symmetrical arranged, the described water channel one of crossing is communicated with one of them jetburner, and the described water channel two of crossing is communicated with another jetburner.
Because jetburner is two and is symmetrical arranged, this bilobed wheel submersible pump is communicated with the import two of sencond stage impeller by two jetburners and two mistake water channels, can effectively collect the flow that one-level impeller and sencond stage impeller High Rotation Speed produce, and expand the cross-sectional area of current, too small and the hydraulic loss that produces of less cross-sectional area, has improved hydraulic efficiency and the water flow of this submersible pump.
In above-mentioned a kind of bilobed wheel submersible pump, the flow curvature of described one-level impeller is identical with the flow curvature of sencond stage impeller, and the design of described one-level impeller turns to the design switched in opposite with sencond stage impeller, and described one-level impeller and sencond stage impeller arrange back-to-back.
In above-mentioned a kind of bilobed wheel submersible pump, between the described pump housing and double helix spiral case, be provided with the baffle plate for one-level impeller and sencond stage impeller are separated.
In above-mentioned a kind of bilobed wheel submersible pump, on described water pump spindle, there is positioning step, described sencond stage impeller is resisted against on this positioning step, and described one-level impeller is resisted against on sencond stage impeller, is also provided with tightening nut on described water pump spindle.
In above-mentioned a kind of bilobed wheel submersible pump, between described one-level impeller and water pump spindle, circumferentially locate by flat key, between described sencond stage impeller and water pump spindle, circumferentially locate by flat key.When installation, first sencond stage impeller be nested on water pump spindle and abut on positioning step, circumferentially fixing by flat key and water pump spindle, then one-level impeller is nested on water pump spindle, and circumferentially fixing by flat key and water pump spindle, after being inserted in, guarantee that one-level impeller and sencond stage impeller arrange back-to-back, after inspection, tightening nut is screwed, reach one-level impeller and the fixing object of sencond stage impeller.
In above-mentioned a kind of bilobed wheel submersible pump, the bottom of described double helix spiral case is provided with into water base, and described water inlet base is provided with some water intakes, the open communication of the top of described water inlet base and double helix spiral case.
Compared with prior art, this bilobed wheel submersible pump has the following advantages:
Double helix submersible pump has two jetburners, bilobed wheel submersible pump is communicated with the import two of sencond stage impeller by two jetburners and two mistake water channels, expand the cross-sectional area of current, too small and the hydraulic loss that produces of less cross-sectional area, hydraulic efficiency and the water flow of this submersible pump are improved, can effectively collect the flow that one-level impeller and sencond stage impeller High Rotation Speed produce, pump efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment of providing of the utility model.
In figure, 1, submersible motor; 2, the pump housing; 21, water outlet; 3, double helix spiral case; 31, jetburner; 32, opening; 4, water pump spindle; 5, one-level impeller; 51, import one; 52, outlet one; 6, sencond stage impeller; 61, import two; 62, outlet two; 71, cross water channel one; 72, cross water channel two; 8, baffle plate; 9, tightening nut; 10, water inlet base; 11, water intake.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this bilobed wheel submersible pump, comprise submersible motor 1, be located at the pump housing 2 of submersible motor 1 below and be located at the double helix spiral case 3 of the pump housing 2 belows, the sidepiece of the pump housing 2 has water outlet 21, on double helix spiral case 3, there are two symmetrically arranged jetburners 31, and the bottom of double helix spiral case 3 has opening 32.As shown in Figure 1, the interior water pump spindle 4 being driven by submersible motor 1 that is vertically provided with of the pump housing 2, the lower end of water pump spindle 4 stretches in double helix spiral case 3, on water pump spindle 4, be arranged with the one-level impeller 5 that is positioned at double helix spiral case 3 and the sencond stage impeller 6 that is positioned at the pump housing 2, on one-level impeller 5, there is the axial inlet 1 being communicated with opening 32 and the radially outlet 1 being communicated with jetburner 31, the radially outlet 2 62 that has axial inlet 2 61 on sencond stage impeller 6 and be communicated with water outlet 21, has the water channel of crossing for being communicated with import 2 61 and jetburner 31 in the pump housing 2.
Concrete, as shown in Figure 1, crossing water channel is two: cross water channel 1 and cross water channel 2 72, cross water channel 1 and cross water channel 2 72 and be symmetrical arranged, cross water channel 1 and be communicated with one of them jetburner 31, cross water channel 2 72 and be communicated with another jetburner 31.Because jetburner 31 is two and is symmetrical arranged, this bilobed wheel submersible pump is communicated with the import 2 61 of sencond stage impeller 6 by two jetburners 31 and two mistake water channels, can effectively collect the flow that one-level impeller 5 and sencond stage impeller 6 High Rotation Speeds produce, and expand the cross-sectional area of current, too small and the hydraulic loss that produces of less cross-sectional area, has improved hydraulic efficiency and the water flow of this submersible pump.
In the present embodiment, the flow curvature of one-level impeller 5 is identical with the flow curvature of sencond stage impeller 6, and the design of one-level impeller 5 turns to the design switched in opposite with sencond stage impeller 6, and one-level impeller 5 arranges back-to-back with sencond stage impeller 6.As shown in Figure 1, between the pump housing 2 and double helix spiral case 3, be provided with the baffle plate 8 for one-level impeller 5 and sencond stage impeller 6 are separated.
In order better one-level impeller 5 and sencond stage impeller 6 to be positioned, on water pump spindle 4, be provided with positioning step, sencond stage impeller 6 is resisted against on this positioning step, and one-level impeller 5 is resisted against on sencond stage impeller 6, is also provided with tightening nut 9 on water pump spindle 4.As shown in Figure 1, between one-level impeller 5 and water pump spindle 4, circumferentially locate by flat key, between sencond stage impeller 6 and water pump spindle 4, circumferentially locate by flat key.When installation, first sencond stage impeller 6 be nested on water pump spindle 4 and abut on positioning step, circumferentially fixing by flat key and water pump spindle 4, then one-level impeller 5 is nested on water pump spindle 4, and circumferentially fixing by flat key and water pump spindle 4, after being inserted in, guarantee that one-level impeller 5 and sencond stage impeller 6 arrange back-to-back, after inspection, tightening nut 9 is screwed, reach one-level impeller 5 and the fixing object of sencond stage impeller 6.
As shown in Figure 1, the bottom of double helix spiral case 3 is provided with into water base 10, and water inlet base 10 is provided with some water intakes 11, and the water inlet top of base 10 and the opening 32 of double helix spiral case 3 are communicated with.As shown in Figure 1, be provided with handle on the top of submersible motor 1.
The pump housing 2 in this structure is single-screw spiral case, and in the time that submersible motor 1 is worked, water pump spindle 4 High Rotation Speeds, drive one-level impeller 5 and sencond stage impeller 6 synchronously to rotate.When one-level impeller 5 rotates, the water that is positioned at opening 32 places enters one-level impeller 5, by one-level impeller 5, it is carried out to supercharging, water after supercharging is discharged through two symmetrically arranged jetburners 31 by exporting 1, because passing through water channel, jetburner 31 was communicated with import 2 61, water enters to and in sencond stage impeller 6, carries out supercharging again, collect and the high pressure water in outlet 2 62 is drained into water outlet 21 by the pump housing 2, thereby completing the whole working procedure of water pump.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (7)
1. a bilobed wheel submersible pump, comprise submersible motor (1), be located at the pump housing (2) of submersible motor (1) below and be located at the double helix spiral case (3) below the pump housing (2), the sidepiece of the described pump housing (2) has water outlet (21), on described double helix spiral case (3), there are two symmetrically arranged jetburners (31), and the bottom of described double helix spiral case (3) has opening (32), it is characterized in that, in the described pump housing (2), be vertically provided with the water pump spindle (4) being driven by submersible motor (1), the lower end of described water pump spindle (4) stretches in double helix spiral case (3), on described water pump spindle (4), be arranged with the one-level impeller (5) that is positioned at double helix spiral case (3) and the sencond stage impeller (6) that is positioned at the pump housing (2), on described one-level impeller (5), there is the axial inlet one (51) being communicated with above-mentioned opening (32) and the radially outlet one (52) being communicated with above-mentioned jetburner (31), the radially outlet two (62) that there is axial inlet two (61) on described sencond stage impeller (6) and be communicated with above-mentioned water outlet (21), in the described pump housing (2), there is the water channel of crossing for being communicated with import two (61) and jetburner (31).
2. a kind of bilobed wheel submersible pump according to claim 1, it is characterized in that, described water channel is excessively two: cross water channel one (71) and cross water channel two (72), described crossing water channel one (71) and cross water channel two (72) is symmetrical arranged, the described water channel one (71) of crossing is communicated with one of them jetburner (31), and the described water channel two (72) of crossing is communicated with another jetburner (31).
3. a kind of bilobed wheel submersible pump according to claim 1, it is characterized in that, the flow curvature of described one-level impeller (5) is identical with the flow curvature of sencond stage impeller (6), the design of described one-level impeller (5) turns to the design switched in opposite with sencond stage impeller (6), and described one-level impeller (5) arranges back-to-back with sencond stage impeller (6).
4. a kind of bilobed wheel submersible pump according to claim 1, is characterized in that, is provided with the baffle plate (8) for one-level impeller (5) and sencond stage impeller (6) are separated between the described pump housing (2) and double helix spiral case (3).
5. a kind of bilobed wheel submersible pump according to claim 1, it is characterized in that, on described water pump spindle (4), there is positioning step, described sencond stage impeller (6) is resisted against on this positioning step, it is upper that described one-level impeller (5) is resisted against sencond stage impeller (6), on described water pump spindle (4), is also provided with tightening nut (9).
6. a kind of bilobed wheel submersible pump according to claim 5, is characterized in that, between described one-level impeller (5) and water pump spindle (4), circumferentially locates by flat key, between described sencond stage impeller (6) and water pump spindle (4), circumferentially locates by flat key.
7. a kind of bilobed wheel submersible pump according to claim 1, it is characterized in that, the bottom of described double helix spiral case (3) is provided with into water base (10), described water inlet base (10) is provided with some water intakes (11), and the top of described water inlet base (10) is communicated with the opening (32) of double helix spiral case (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008226.1U CN203670235U (en) | 2014-01-07 | 2014-01-07 | Double-impeller submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008226.1U CN203670235U (en) | 2014-01-07 | 2014-01-07 | Double-impeller submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670235U true CN203670235U (en) | 2014-06-25 |
Family
ID=50966538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420008226.1U Expired - Fee Related CN203670235U (en) | 2014-01-07 | 2014-01-07 | Double-impeller submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044423A (en) * | 2017-06-26 | 2017-08-15 | 台州凌霄泵业有限公司 | Self-priming multistage peripheral pump |
| CN108644128A (en) * | 2018-07-17 | 2018-10-12 | 浙江乾辰智能科技有限公司 | A kind of sand-proof type injection immersible pump |
-
2014
- 2014-01-07 CN CN201420008226.1U patent/CN203670235U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044423A (en) * | 2017-06-26 | 2017-08-15 | 台州凌霄泵业有限公司 | Self-priming multistage peripheral pump |
| CN108644128A (en) * | 2018-07-17 | 2018-10-12 | 浙江乾辰智能科技有限公司 | A kind of sand-proof type injection immersible pump |
| CN108644128B (en) * | 2018-07-17 | 2024-02-20 | 浙江乾辰智能科技有限公司 | Sand-proof type jet submersible pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20170107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |