CN113738693A - Water pump impeller and drainage pump using same - Google Patents

Water pump impeller and drainage pump using same Download PDF

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Publication number
CN113738693A
CN113738693A CN202111182754.XA CN202111182754A CN113738693A CN 113738693 A CN113738693 A CN 113738693A CN 202111182754 A CN202111182754 A CN 202111182754A CN 113738693 A CN113738693 A CN 113738693A
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China
Prior art keywords
arc
water pump
shaft sleeve
shaped part
water
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CN202111182754.XA
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Chinese (zh)
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CN113738693B (en
Inventor
杨云峰
袁乙飞
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Dongguan Shenpeng Electronics Co ltd
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Dongguan Shenpeng Electronics Co ltd
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    • 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
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2272—Rotors specially for centrifugal pumps with special measures for influencing flow or boundary layer
    • 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
    • F04D13/0606—Canned motor 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
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2238—Special flow patterns
    • 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
    • F04D29/24—Vanes
    • F04D29/242—Geometry, shape
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a water pump impeller and a drainage pump using the same, wherein the water pump impeller comprises a shaft sleeve, a main water outlet blade and a wheel body; one end of the shaft sleeve is provided with a shaft hole for the rotating shaft of the motor to penetrate; the water outlet main blade comprises a first arc-shaped part, a straight line part and a second arc-shaped part which are sequentially connected, and the arched surface of the first arc-shaped part and the arched surface of the second arc-shaped part are respectively arranged on two sides of the straight line part; one end of the first arc-shaped part, which is opposite to the straight line part, is connected with the shaft sleeve, the bottom surface of the second arc-shaped part is connected with the wheel body, and the straight line part is suspended between the shaft sleeve and the wheel body; the water outlet main blades are arranged with a plurality of blades by taking the shaft sleeve as a symmetrical center. The invention mainly solves the problem that the vanes on the impeller of the air-conditioning drainage pump are mostly in a straight plate shape; along the liquid that has first arc portion of arc and the flow of second arc portion, be difficult for producing the turbulent flow, make liquid flow velocity steady, be favorable to improving the operating efficiency of water pump.

Description

Water pump impeller and drainage pump using same
Technical Field
The invention relates to the technical field of water pumps, in particular to a water pump impeller and a drainage pump using the same.
Background
A liquid pump is a mechanical device that can drive a liquid flow to cause the liquid to flow from one place to another directionally, and is widely used.
The impeller is one of core parts in the liquid pump, a plurality of blades are arranged on the impeller, a motor of the liquid pump provides rotating power for the impeller, the impeller is directly contacted with liquid, and the rotating impeller can increase pressure for the liquid through the blades so as to drive the liquid to flow.
Air conditioner drain pump among the prior art, the blade on the impeller mostly is straight plate-type, and when the operation, forms the turbulent flow easily between the blade, makes rivers unstable to influence velocity of water, reduce the operating efficiency, and produce the noise.
Disclosure of Invention
The invention aims to provide a water pump impeller, which can stabilize the liquid flowing speed, is beneficial to improving the running efficiency of a water pump and is not easy to generate noise.
Another object of the present invention is to provide a drain pump which has high operation efficiency and is less likely to generate noise.
In order to achieve the purpose, the invention provides the following technical scheme: a water pump impeller comprises a shaft sleeve, a main water outlet blade and a wheel body; one end of the shaft sleeve is provided with a shaft hole for the rotating shaft of the motor to penetrate; the water outlet main blade comprises a first arc-shaped part, a straight line part and a second arc-shaped part which are sequentially connected, and the arched surface of the first arc-shaped part and the arched surface of the second arc-shaped part are respectively arranged on two sides of the straight line part; one end of the first arc-shaped part, which is opposite to the straight line part, is connected with the shaft sleeve, the bottom surface of the second arc-shaped part is connected with the wheel body, and the straight line part is suspended between the shaft sleeve and the wheel body; the water outlet main blades are arranged with a plurality of blades by taking the shaft sleeve as a symmetrical center.
In the above technical solution, a trajectory line of the first arc-shaped portion is a first arc, a distance d1 between a center of the first arc and a center point of the shaft sleeve is 3.2mm to 3.5mm, an included angle α between a line connecting the center of the first arc and the center point of the shaft sleeve and a horizontal line is-27 ° to-29 °, a diameter of the first arc is 5.9mm to 6.5mm, and a thickness of the first arc-shaped portion is 1mm to 3 mm.
In the above technical solution, the trajectory line of the second arc-shaped portion is a second arc, a distance d2 between a center of the second arc and a center point of the shaft sleeve is 14.3mm to 14.7mm, an included angle β between a connecting line between the center of the second arc and the center point of the shaft sleeve and a horizontal line is 12 to 14 °, a diameter of the second arc is 17mm to 17.6mm, and a thickness of the second arc-shaped portion is 1mm to 3 mm.
In the above technical solution, the trajectory line of the straight line portion is an inner common tangent line of the first arc and the second arc, and the thickness of the straight line portion is 1mm to 3 mm.
In the above technical solution, a scanning cross-section of the main water outlet blade along the first arc, the trajectory line of the straight line portion, and the second arc is a first variable cross-section, a side line of the first variable cross-section in the radial direction of the wheel body is a third arc, and a diameter of the third arc from a start end of the first arc to a tip end of the second arc is (6+28 × trajpar) mm.
In the technical scheme, the water pump impeller further comprises a water inlet blade, and the water inlet blade is arranged at the other end of the shaft sleeve; the trajectory line of the water inlet blade is a section of the first arc, and the thickness of the water inlet blade is 1-3 mm.
In the above technical solution, a scanning cross-section of the water inlet blade along the first arc is a second variable cross-section, a side line of the second variable cross-section in the radial direction of the wheel body is a second arc, and a diameter of the second arc from a start end to a tail end of the water inlet blade is (3+6 × trajpar) mm.
In the above technical scheme, a plurality of water outlet auxiliary blades are arranged between every two water outlet main blades on the wheel body; the trajectory line of the water outlet auxiliary blade is a section of the second arc, and the thickness of the water outlet auxiliary blade is 1-3 mm.
A drainage pump comprises the water pump impeller, a water pump body and a chamber shell; the water pump body is internally provided with a motor, a rotating shaft of the motor penetrates out of the water pump body, and the rotating shaft of the motor penetrates into a shaft hole of a shaft sleeve of the water pump impeller so as to drive the water pump impeller to rotate; and a water inlet channel and a water outlet channel are respectively formed on the chamber shell, and the chamber shell covers the water pump body and covers the water pump impeller so as to form a chamber.
In the above technical scheme, the inlet channel is arranged along the axial direction of the chamber shell, and the outlet channel is arranged along the radial direction of the chamber shell.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the water pump impeller, the water outlet main blade comprises a first arc-shaped part, a straight line part and a second arc-shaped part which are sequentially connected, an arched surface of the first arc-shaped part and an arched surface of the second arc-shaped part are respectively arranged on two sides of the straight line part, liquid can flow along the first arc-shaped part and the second arc-shaped part, and the liquid flows along the first arc-shaped part and the second arc-shaped part which are arc-shaped, so that the flowing process is stable, turbulence is not easily generated, the flowing speed of the liquid is stable, the operation efficiency of a water pump is favorably improved, and noise is not easily generated;
2. this kind of drain pump, its water pump impeller's play water main blade is including the first arc portion that connects gradually, straight line portion and second arc portion, the hunch-up face of first arc portion and the hunch-up face of second arc portion list in straight line portion both sides, liquid can flow along first arc portion and second arc portion, along the liquid that has curved first arc portion and second arc portion flow, the flow process is steady, be difficult for producing the turbulent flow, make the liquid flow speed in the cavity shell steady, be favorable to improving this kind of drain pump's operating efficiency, and be difficult for producing the noise.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
FIG. 2 is a perspective view of an embodiment of the present invention in another direction.
Fig. 3 is a top view structural diagram of the first embodiment of the invention.
Fig. 4 is a perspective view of a second embodiment of the present invention.
Fig. 5 is an exploded view of a second embodiment of the present invention.
The reference signs are: 1. a water pump impeller; 11. a shaft sleeve; 111. a shaft hole; 12. a main water outlet blade; 121. a first arcuate portion; 122. a straight portion; 123. a second arcuate portion; 13. an auxiliary water outlet blade; 14. a water inlet blade; 15. a wheel body; 151. a wheel body through hole; 152. a wheel wing; 2. a water pump body; 21. a rotating shaft; 3. a chamber housing; 31. a water inlet channel; 32. and a water outlet channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-3, the present embodiment provides a water pump impeller, which includes a shaft sleeve 11, a main water outlet blade 12, and a wheel body 15.
The outline of axle sleeve 11 is cylindrically, and axle hole 111 that the pivot of power supply machine penetrated is seted up to the one end of axle sleeve 11, and axle hole 111 can set up to D shape hole, also can set up the keyway in axle hole 111, can also set up axle hole 111 into the splined hole, makes axle hole 111 closely cooperate with the pivot of motor.
The wheel body 15 is circular, that is, a through hole is formed in the center of the wheel body 15.
The main water outlet blade 12 comprises a first arc-shaped part 121, a straight part 122 and a second arc-shaped part 123 which are connected in sequence, wherein the arched surface of the first arc-shaped part 121 and the arched surface of the second arc-shaped part 123 are respectively arranged at two sides of the straight part 122, namely, the first arc-shaped part 121 and the second arc-shaped part 123 are arched in different directions respectively; one end of the first arc-shaped part 121 opposite to the straight part 122 is connected with the shaft sleeve 11, the bottom surface of the second arc-shaped part 123 is connected with the wheel body 15, and the straight part 122 is suspended between the shaft sleeve 11 and the wheel body 15; the shaft sleeve 11 and the wheel body 15 are fixed with each other through the connection of the water outlet main blade 12, and a gap is formed between the shaft sleeve 11 and the wheel body 15; the main water outlet blades 12 are arranged in a plurality of pieces with the shaft sleeve 11 as a symmetric center, and in this embodiment, four pieces of the main water outlet blades 12 are uniformly arranged with the shaft sleeve 11 as a symmetric center.
Wherein, the trajectory line of the first arc-shaped part 121 is a first arc, the distance d1 between the center of the first arc and the center point of the shaft sleeve 11 is 3.2mm to 3.5mm, preferably 3.34mm, the angle α between the line connecting the center of the first arc and the center point of the shaft sleeve 11 and the horizontal line is-27 ° to-29 °, preferably 27.94 °, the diameter of the first arc is 5.9mm to 6.5mm, preferably 6.2mm, and the thickness of the first arc-shaped part 121 is 1mm to 3mm, preferably 2 mm.
Wherein, the trajectory line of the second arc-shaped part 123 is a second arc, the distance d2 between the center of the second arc and the center point of the shaft sleeve 11 is 14.3 mm-14.7 mm, preferably 14.49mm, the included angle β between the line connecting the center of the second arc and the center point of the shaft sleeve 11 and the horizontal line is 12-14 °, preferably 13.29 °, the diameter of the second arc is 17 mm-17.6 mm, preferably 17.36mm, and the thickness of the second arc-shaped part 123 is 1 mm-3 mm, preferably 2 mm.
The trajectory line of the straight line portion 122 is an inner common tangent line of the first arc and the second arc, and the thickness of the straight line portion 122 is 1mm to 3mm, preferably 2 mm.
Wherein, the scanning section of the main water outlet blade along the first circular arc, the trajectory line of the straight line part and the second circular arc is a first variable section, the sideline of the first variable section in the radial direction of the wheel body is a third circular arc, the diameter of the third circular arc from the initial end of the first circular arc to the tail end of the second circular arc is (6+28 × trajpar) mm; where trajpar is a trajectory parameter, which is a variable that varies linearly from 0 to 1, representing the percentage of the length of the scanning trajectory line, the value of trajpar is 0 at the start of the scan and 1 at the end of the scan.
Further, the water pump impeller also comprises a water inlet blade 14, wherein the water inlet blade 14 is arranged at the other end, opposite to the shaft hole 111, of the shaft sleeve 11; the trajectory line of the water inlet blade 14 is a section of a first arc, and the thickness of the water inlet blade 14 is 1 mm-3 mm, preferably 2 mm; in this embodiment, the bottom of the inlet vane 14 extends until it meets the first arc-shaped portion 121 of the outlet main vane 12.
The scanning section of the water inlet blade along the first arc is a second variable section, the sideline of the second variable section in the radial direction of the wheel body is a second arc, and the diameter of the second arc from the starting end to the tail end of the water inlet blade is (3+6 x trajpar) mm; where trajpar is a trajectory parameter, which is a variable that varies linearly from 0 to 1, representing the percentage of the length of the scanning trajectory line, the value of trajpar is 0 at the start of the scan and 1 at the end of the scan.
Further, on the wheel body 15, a plurality of water outlet auxiliary blades 13 are arranged between every two water outlet main blades 12, in this embodiment, two water outlet auxiliary blades 13 are uniformly arranged between every two water outlet main blades 12 at intervals; the trajectory line of the water outlet auxiliary blade 13 is a section of a second arc, and the thickness of the water outlet auxiliary blade 13 is 1 mm-3 mm, preferably 2 mm; in this embodiment, the water outlet auxiliary blade 13 extends to the edge of the through hole of the wheel body 15.
Further, a wheel body through hole 151 is formed in the wheel body 15, the wheel body through hole 151 is a circular through hole axially penetrating through the wheel body 15, and in this embodiment, one wheel body through hole 151 is formed between every two adjacent water outlet auxiliary blades 13 and between the adjacent water outlet main blade 12 and the water outlet auxiliary blade 13.
Further, the edge of the wheel body 15 is pulled up toward the axial direction of the wheel body 15 to form the turbine vane 152, in this embodiment, the turbine vane 152, the primary water outlet blade 12 and the secondary water outlet blade 13 are all located on the same side of the wheel body 15.
In this embodiment, the water pump impeller is an engineering plastic workpiece that is integrally injection molded, that is, the shaft sleeve 11, the main water outlet blade 12, the auxiliary water outlet blade 13, the water inlet blade 14, the wheel body 15, and the wheel wings 152 are all integrally injection molded, so that all parts of the water pump impeller are integrated. In other embodiments, the water pump impeller may also be a metal workpiece that is integrally die-cast or machined.
When the water pump impeller works, the motor provides power to enable the water pump impeller to integrally rotate, the water inlet blades 14 are deep into liquid, the rotating water inlet blades 14 can drive the liquid to flow along the water inlet blades 14, the liquid penetrates through a gap between the shaft sleeve 11 and the impeller body 15 and enters the other side of the impeller body 15, the liquid on the side is driven by the water outlet main blades 12 and the water outlet auxiliary blades 13 to generate pressure, and the liquid can directionally flow under the guide of the cavity.
This kind of water pump impeller, go out water main blade 12 including the first arc portion 121 that connects gradually, straight line portion 122 and second arc portion 123, the hunch-up face of first arc portion 121 and the hunch-up face of second arc portion 123 are listed in straight line portion 122 both sides, liquid can flow along first arc portion 121 and second arc portion 123, along the liquid that has curved first arc portion 121 and the flow of second arc portion 123, the flow process is steady, difficult turbulence that produces, it is steady to make liquid flow velocity, be favorable to improving the operating efficiency of water pump, and difficult noise that produces.
Example two:
referring to fig. 4 and 5, the present embodiment provides a drainage pump, which includes the above-mentioned impeller 1, a pump body 2 and a chamber housing 3.
A motor is accommodated in the water pump body 2, the motor is a brushless direct current motor, and a wire with a connector is led out of the water pump body 2 so as to supply power to the motor and control the operation of the motor; in the embodiment, a sealing bearing is arranged between the rotating shaft 21 of the motor and the shell of the water pump body 2, so that the rotating shaft 21 of the motor can rotate stably, and meanwhile, water flow is not easy to enter the water pump body 2; the rotating shaft 21 of the motor penetrates into the shaft hole 111 of the shaft sleeve 11 of the water pump impeller 1, so that the rotating shaft 21 of the motor is in linkage with the water pump impeller 1 to rotate.
The cavity shell 3 is an integrally formed half shell made of engineering plastics or metal; a water inlet channel 31 and a water outlet channel 32 are respectively formed on the chamber shell 3, wherein the water inlet channel 31 is arranged along the axial direction of the chamber shell 3, and the water outlet channel 32 is arranged along the radial direction of the chamber shell 3, that is, the water inlet channel 31 is positioned on the top surface of the chamber shell 3, and the water outlet channel 32 is positioned on the side surface of the chamber shell 3; the cavity shell 3 covers the water pump body 2 and covers the water pump impeller 1, so that a cavity is formed, in the embodiment, a buckle is formed on the cavity shell 3, a buckle is formed on the shell of the water pump body 2, and the buckle of the water pump body 2 is clamped into the buckle of the cavity shell 3, so that the cavity shell 3 and the water pump body 2 are fixed with each other; after assembly, the water pump impeller 1 is located in the chamber, and the water inlet blades 14 of the water pump impeller 1 penetrate into the water inlet channel 31 of the chamber shell 3.
When the drainage pump is used, the water inlet channel 31 of the chamber shell 3 extends into liquid, so that the water inlet blade 14 also extends into the liquid, the motor of the water pump body 2 provides power to enable the water pump impeller 1 to integrally rotate, the rotating water inlet blade 14 can drive the liquid to flow along the water inlet blade 14, so that the liquid is sucked into the chamber shell 3, the liquid passes through a gap between the shaft sleeve 11 and the wheel body 15 and enters the other side of the wheel body 15, the liquid on the side can generate pressure under the driving of the water outlet main blade 12 and the water outlet auxiliary blade 13, and can directionally flow under the guiding of the chamber shell 3 and be discharged from the water outlet channel 32.
This kind of drain pump, the play water main leaf 12 of its water pump impeller 1 includes the first arc portion 121, straight line portion 122 and the second arc portion 123 that connect gradually, the hunch-up face of first arc portion 121 and the hunch-up face of second arc portion 123 list in straight line portion 122 both sides, liquid can flow along first arc portion 121 and second arc portion 123, along the liquid that has curved first arc portion 121 and the second arc portion 123 flow, the flow process is steady, difficult turbulence that produces makes the liquid flow velocity in the cavity shell 3 steady, is favorable to improving this kind of drain pump's operating efficiency, and difficult noise that produces.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A water pump impeller is characterized by comprising a shaft sleeve, a main water outlet blade and a wheel body;
one end of the shaft sleeve is provided with a shaft hole for the rotating shaft of the motor to penetrate;
the water outlet main blade comprises a first arc-shaped part, a straight line part and a second arc-shaped part which are sequentially connected, and the arched surface of the first arc-shaped part and the arched surface of the second arc-shaped part are respectively arranged on two sides of the straight line part;
one end of the first arc-shaped part, which is opposite to the straight line part, is connected with the shaft sleeve, the bottom surface of the second arc-shaped part is connected with the wheel body, and the straight line part is suspended between the shaft sleeve and the wheel body;
the water outlet main blades are arranged with a plurality of blades by taking the shaft sleeve as a symmetrical center.
2. The water pump impeller of claim 1, wherein: the trajectory line of the first arc-shaped part is a first arc, the distance d1 between the center of the first arc and the central point of the shaft sleeve is 3.2-3.5 mm, the included angle alpha between the connecting line of the center of the first arc and the central point of the shaft sleeve and the horizontal line is-27 degrees to-29 degrees, and the diameter phi of the first arc is phi15.9mm to 6.5mm, the thickness of the first arc-shaped part is 1mm to 3 mm.
3. The water pump impeller of claim 2, wherein: the trajectory line of the second arc-shaped part is a second arc, the distance d2 between the center of the second arc and the central point of the shaft sleeve is 14.3-14.7 mm, the included angle beta between the connecting line of the center of the second arc and the central point of the shaft sleeve and the horizontal line is 12-14 degrees, and the diameter phi of the second arc is phi2Is 17 mm-17.6 mm, and the thickness of the second arc-shaped part is 1 mm-3 mm.
4. The water pump impeller of claim 3, wherein: the trajectory line of the straight line part is an internal common tangent line of the first circular arc and the second circular arc, and the thickness of the straight line part is 1 mm-3 mm.
5. The water pump impeller of claim 4, wherein: a scanning section of the main water outlet blade along the first arc, the trajectory line of the straight line portion, and the second arc is a first variable section, a side line of the first variable section in the radial direction of the wheel body is a third arc, and the diameter of the third arc from the start end of the first arc to the end of the second arc is (6+28 × trajpar) mm.
6. The water pump impeller of claim 2, wherein: the water inlet blade is arranged at the other end of the shaft sleeve;
the trajectory line of the water inlet blade is a section of the first arc, and the thickness of the water inlet blade is 1-3 mm.
7. The water pump impeller of claim 6, wherein: the scanning section of the water inlet blade along the first circular arc is a second variable section, the sideline of the second variable section in the radial direction of the wheel body is a second circular arc, and the diameter of the second circular arc from the starting end to the tail end of the water inlet blade is (3+6 x trajpar) mm.
8. The water pump impeller of claim 3, wherein: a plurality of water outlet auxiliary blades are arranged between every two water outlet main blades on the wheel body;
the trajectory line of the water outlet auxiliary blade is a section of the second arc, and the thickness of the water outlet auxiliary blade is 1-3 mm.
9. A drain pump comprising the water pump impeller according to any one of claims 1 to 8, further comprising a water pump body and a chamber housing;
the water pump body is internally provided with a motor, a rotating shaft of the motor penetrates out of the water pump body, and the rotating shaft of the motor penetrates into a shaft hole of a shaft sleeve of the water pump impeller so as to drive the water pump impeller to rotate;
and a water inlet channel and a water outlet channel are respectively formed on the chamber shell, and the chamber shell covers the water pump body and covers the water pump impeller so as to form a chamber.
10. A sump pump according to claim 9, wherein: the inlet channel is arranged along the axial direction of the chamber shell, and the outlet channel is arranged along the radial direction of the chamber shell.
CN202111182754.XA 2021-10-11 2021-10-11 Water pump impeller and drain pump using same Active CN113738693B (en)

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CN113738693B CN113738693B (en) 2024-10-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024131246A1 (en) * 2022-12-21 2024-06-27 浙江三花商用制冷有限公司 Impeller, and liquid discharge device having same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090012386U (en) * 2008-05-30 2009-12-03 (주)신한전기 Impeller for exhaust water pump
KR20120006695U (en) * 2011-03-21 2012-10-02 (주)신한전기 Impeller for exhaust water pump
WO2018070643A1 (en) * 2016-10-10 2018-04-19 소애련 Centrifugal impeller having backward blade with dual gradient cross-sectional shape
WO2018095157A1 (en) * 2016-11-23 2018-05-31 广东威灵电机制造有限公司 Centrifugal impeller and pump having same
CN210949250U (en) * 2019-09-26 2020-07-07 北京慨尔康科技发展有限公司 Impeller and centrifugal pump
CN113090576A (en) * 2020-01-08 2021-07-09 东莞市东坑合利美电子电器有限公司 Drainage impeller with annular groove

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090012386U (en) * 2008-05-30 2009-12-03 (주)신한전기 Impeller for exhaust water pump
KR20120006695U (en) * 2011-03-21 2012-10-02 (주)신한전기 Impeller for exhaust water pump
WO2018070643A1 (en) * 2016-10-10 2018-04-19 소애련 Centrifugal impeller having backward blade with dual gradient cross-sectional shape
WO2018095157A1 (en) * 2016-11-23 2018-05-31 广东威灵电机制造有限公司 Centrifugal impeller and pump having same
CN210949250U (en) * 2019-09-26 2020-07-07 北京慨尔康科技发展有限公司 Impeller and centrifugal pump
CN113090576A (en) * 2020-01-08 2021-07-09 东莞市东坑合利美电子电器有限公司 Drainage impeller with annular groove

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024131246A1 (en) * 2022-12-21 2024-06-27 浙江三花商用制冷有限公司 Impeller, and liquid discharge device having same

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