CN220378534U - With helical inlet vanes impeller and air conditioner drainage pump using same - Google Patents
With helical inlet vanes impeller and air conditioner drainage pump using same Download PDFInfo
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- CN220378534U CN220378534U CN202223407261.4U CN202223407261U CN220378534U CN 220378534 U CN220378534 U CN 220378534U CN 202223407261 U CN202223407261 U CN 202223407261U CN 220378534 U CN220378534 U CN 220378534U
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- impeller
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 257
- 239000007788 liquid Substances 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses an impeller with spiral water inlet blades and an air conditioner drainage pump using the impeller, the water inlet shaft, the water outlet main blade and the wheel body are arranged on the same side of the water inlet shaft; one end of the water inlet shaft is provided with a water supply a shaft hole through which a rotating shaft of the motor penetrates; the water outlet main blades are arranged with the water inlet shaft as a symmetrical center, at least one part of the water outlet main blades is connected with the water inlet shaft, at least another part of the water outlet main blades is connected with the wheel body, and at least another part of the water outlet main blades is suspended between the water inlet shaft and the wheel body; the other end of the water inlet shaft relative to the shaft hole extends along the axial direction until the water inlet shaft passes over the end surface of the wheel body, so that a water inlet part is formed, and spiral water inlet blades are arranged on the surface of the water inlet part of the water inlet shaft. The water inlet blade can drive liquid to flow along the extending direction of the water inlet blade according to the axial flow principle, so that the flowing process of the liquid in the water inlet part is stable, turbulent flow is not easy to generate, the operation efficiency of the water pump is improved, and noise is not easy to generate.
Description
Technical Field
The utility model relates to the technical field of water pumps and parts thereof, in particular to an impeller with spiral water inlet blades and an air conditioner drainage pump using the impeller.
Background
The water pump can drive the liquid to flow, so that the liquid can flow from one place to the other place in a directional manner, and the water pump is a mechanical device with wide application. The impeller is one of core components in the water pump, is provided with a plurality of blades on the impeller, and the motor of water pump provides rotation power for the impeller, and impeller and liquid direct contact can be through the blade for the pressure increase in liquid in the rotation to drive liquid flow. Therefore, the impeller with reasonable structure is configured for the water pump, and the performance of the water pump can be effectively improved.
The air conditioner drainage pump is a common water pump type, and an impeller with reasonable structure is required to be configured; the Chinese patent publication No. CN113738693A, entitled "Water Pump impeller and drain Pump Using the same", discloses an impeller typically applied to an air conditioner drain pump, which has a smooth flow process, is not prone to generate turbulence, and makes the liquid flow speed smooth, which is beneficial to improving the operation efficiency of the water pump, and is not prone to generate noise, however, for the impeller, the structure of the water inlet portion of the impeller is still to be optimized.
In summary, how to provide an impeller with a reasonable structure and easy manufacturing for an air conditioner drain pump is a problem to be solved.
Disclosure of Invention
One of the purposes of the utility model is to provide an impeller with spiral water inlet blades, which has reasonable structure and easy manufacture and is suitable for being applied to an air conditioner drainage pump.
Another object of the present utility model is to provide an air conditioner drain pump having an impeller that is structurally sound and easy to manufacture.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an impeller with spiral water inlet blades comprises a water inlet shaft, water outlet main blades and a wheel body; one end of the water inlet shaft is provided with a shaft hole for the rotary shaft of the motor to penetrate; the water outlet main blades are arranged with the water inlet shaft as a symmetrical center, at least one part of the water outlet main blades is connected with the water inlet shaft, at least another part of the water outlet main blades is connected with the wheel body, and at least one part of the water outlet main blades is suspended between the water inlet shaft and the wheel body; the water inlet shaft extends along the axial direction relative to the other end of the shaft hole until the water inlet shaft passes through the end face of the wheel body, so that a water inlet part is formed, and spiral water inlet blades are arranged on the surface of the water inlet part of the water inlet shaft.
In the above technical scheme, the distance of the two end points of the water inlet blade in the vertical direction is L1, and the length of the water inlet shaft is L, then there is L1: l=0.4 to 0.6.
In the above technical scheme, the distance between two end points of the water inlet blade in the horizontal direction is L2, and the diameter d of the water inlet shaft has L2: d=0.4 to 0.6.
In the above technical scheme, the diameter D of the water inlet shaft, the major diameter of the water inlet blade is D, then there is D: d=0.5 to 0.7.
In the technical scheme, the included angle beta between the tangent line of the water inlet blade at the top end of the water inlet shaft and the horizontal plane is 60-75 degrees.
In the technical scheme, the water inlet blades are uniformly distributed with three blades along the circumferential direction of the water inlet shaft.
In the above technical scheme, 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, wherein the arched surface of the first arc-shaped part and the arched surface of the second arc-shaped part are respectively arranged at two sides of the straight line part; the first arc-shaped part is connected with the water inlet shaft relative to one end of the straight line part, the bottom surface of the second arc-shaped part is connected with the wheel body, and the straight line part is suspended between the water inlet shaft and the wheel body.
According to the technical scheme, the wheel body is provided with the water outlet auxiliary blades, and a plurality of water outlet auxiliary blades are arranged between every two water outlet main blades.
An air conditioner drainage pump comprises the impeller with the spiral water inlet blades, a water pump body and a pump cover; 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 water inlet shaft of the impeller with the spiral water inlet blades, so that the rotating shaft of the motor is linked with the impeller with the spiral water inlet blades to rotate; the pump cover is covered on the water pump body and covers the impeller with the spiral water inlet blades, so that a cavity is formed.
In the above technical scheme, the water inlet channel is arranged along the axial direction of the pump cover, and the water outlet channel is arranged along the radial direction of the pump cover.
Compared with the prior art, the utility model has the beneficial effects that: the impeller with the spiral water inlet blades and the air conditioner drainage pump using the impeller with the spiral water inlet blades are reasonable in structure and easy to manufacture, and the spiral water inlet blades are distributed on the surface of the water inlet part of the water inlet shaft, and can drive liquid to flow along the extending direction of the water inlet blades according to the axial flow principle, so that the flowing process of the liquid in the water inlet part is stable, turbulence is not easy to generate, the running efficiency of the water pump is improved, and noise is not easy to generate.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present utility model.
Fig. 2 is a perspective view of an embodiment of the present utility model in another direction.
Fig. 3 is a top view of a first embodiment of the present utility model.
Fig. 4 is a front view of a first embodiment of the present utility model.
Fig. 5 is a perspective view of a second embodiment of the present utility model.
Fig. 6 is an exploded view of a second embodiment of the present utility model.
The reference numerals are: 1. an impeller; 11. a water inlet shaft; 111. a shaft hole; 112. a water inlet portion; 113. a water inlet blade; 12. a main water outlet blade; 121. a first arc-shaped portion; 122. a straight line portion; 123. a second arc-shaped portion; 13. a water outlet auxiliary blade; 14. a wheel body; 141. a wheel body through hole; 142. wheel wings; 2. a water pump body; 21. a rotating shaft; 3. a pump cover; 31. a water inlet channel; 32. and a water outlet channel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present embodiment provides an impeller having spiral water inlet blades, which can be applied to a water pump to increase pressure of liquid, thereby driving the liquid to flow.
Referring to fig. 1-4, the impeller with spiral water inlet blade of the present embodiment includes a water inlet shaft 11, a water outlet main blade 12 and a wheel body 14.
Specifically, the outer contour of the water inlet shaft 11 is cylindrical, one end of the water inlet shaft 11 is provided with a shaft hole 111 for the shaft of the motor to penetrate, the shaft hole 111 can be a D-shaped hole, a key slot can be arranged in the shaft hole 111, and the shaft hole 111 can be a spline hole, so that the shaft hole 111 can be tightly matched with the shaft of the motor.
The wheel 14 is circular, i.e. a through hole is provided in the center of the wheel 14.
In this embodiment, the water outlet main blades 12 are uniformly arranged with four blades around the water inlet shaft 11, at least one part of the water outlet main blades 12 is connected with the water inlet shaft 11, at least another part of the water outlet main blades 12 is connected with the wheel body 14, and at least another part of the water outlet main blades 12 is suspended between the water inlet shaft 11 and the wheel body 14.
Specifically, the main water outlet blade 12 includes a first arc portion 121, a straight portion 122 and a second arc portion 123 that are sequentially connected, where the arched surface of the first arc portion 121 and the arched surface of the second arc portion 123 are respectively arranged on two sides of the straight portion 122, that is, the first arc portion 121 and the second arc portion 123 are respectively arched in different directions; one end of the first arc-shaped part 121, which is opposite to the straight line part 122, is connected with the water inlet shaft 11, the bottom surface of the second arc-shaped part 123 is connected with the wheel body 14, and the straight line part 122 is suspended between the water inlet shaft 11 and the wheel body 14; the water inlet shaft 11 and the wheel body 14 are mutually fixed by the connection of the water outlet main blade 12, and a gap is formed between the water inlet shaft 11 and the wheel body 14.
Further, on the wheel body 14, a plurality of water outlet auxiliary blades 13 are disposed between every two water outlet main blades 12, and in this embodiment, two water outlet auxiliary blades 13 are disposed between every two water outlet main blades 12 at equal intervals.
Further, the wheel 14 is provided with a wheel through hole 141, the wheel through hole 141 is a circular through hole penetrating the wheel 14 axially, in this embodiment, a wheel through hole 141 is provided between every two adjacent water outlet auxiliary blades 13, and between the adjacent water outlet main blades 12 and the water outlet auxiliary blades 13.
Further, the edge of the wheel 14 is pulled up towards the axial direction of the wheel 14 to form a wheel wing 142, and in this embodiment, the wheel wing 142, the water outlet main blade 12 and the water outlet auxiliary blade 13 are all located on the same side of the wheel 14.
In order to make the impeller with spiral water inlet vane of this embodiment have good water inlet performance, the water inlet shaft 11 extends along the axial direction relative to the other end of the shaft hole 111 until passing over the end face of the wheel body 14, so as to form the water inlet portion 112, that is, the water inlet portion 112 protrudes from the end face of the wheel body 14, the surface of the water inlet portion 112 of the water inlet shaft 11 is provided with spiral water inlet vane 113, the water inlet vane 113 and the water inlet shaft 11 are integrally formed, specifically, the water inlet vane 113 is spiral, but from the start end to the end, a complete circle is not completed, therefore, the contour of the water inlet vane 113 is actually arc-shaped.
Further, three water inlet blades 113 are uniformly distributed along the circumferential direction of the water inlet shaft 11, that is, the central angle of each two adjacent water inlet blades 113 in the radial direction of the water inlet shaft 11 is 120 °.
Further, the distance between the two end points of the water inlet blade 113 in the vertical direction is L1, and the length of the water inlet shaft 11 is L, then there is L1: l=0.4 to 0.6; preferably, in the present embodiment, L1: l=0.52; the water inlet blades 113 occupy a certain proportion in the axial direction of the water inlet shaft 11, so that the water inlet shaft 11 can realize efficient water inlet at a low rotating speed.
Further, the distance between the two end points of the water inlet vane 113 in the horizontal direction is L2, and the diameter d of the water inlet shaft 11 is L2: d=0.4 to 0.6; preferably, in the present embodiment, L2: d=0.517; the water inlet blades 113 occupy a certain proportion in the radial direction of the water inlet shaft 11, so that the water inlet shaft 11 can realize efficient water inlet at a low rotating speed.
Further, the diameter D of the water inlet shaft 11, and the large diameter D of the water inlet vane 113 are D: d=0.5 to 0.7; preferably, in this embodiment, d: d=0.6; the ratio of the diameter of the water inlet shaft 11 to the large diameter of the water inlet blade 113 allows the water inlet blade 113 to reasonably protrude from the surface of the water inlet shaft 11 without being too high or too low.
Further, the included angle beta between the tangent line of the water inlet blade 113 at the top end of the water inlet shaft 11 and the horizontal plane is 60-75 degrees; preferably, in the present embodiment, the angle β between the tangent line of the water inlet blade 113 at the top end of the water inlet shaft 11 and the horizontal plane is 67.2 °; this angle allows the inlet ends of the water inlet blades 113 to have a certain inclination angle with respect to the water inlet shaft 11, thereby better guiding the water flow.
The impeller with spiral water inlet blade in this embodiment is an integrally injection molded engineering plastic workpiece, that is, the water inlet shaft 11, the water outlet main blade 12, the water outlet auxiliary blade 13, the water inlet blade 113, the wheel body 14 and the wheel wing 142 are all integrally injection molded, so that all parts of the impeller are integrated, and the impeller with the structure is easy to be demolded. In other embodiments, the impeller may be a metal workpiece that is integrally die-cast or machined.
When the impeller with spiral water inlet blades of the embodiment works, the motor provides power to enable the impeller to integrally rotate, the water inlet part 112 of the water inlet shaft 11 penetrates into liquid, the rotating water inlet blades 113 drive the liquid to flow along the extending direction of the water inlet blades 113 according to the axial flow principle, the liquid passes through a gap between the water inlet shaft 11 and the wheel body 14 and enters the other side of the wheel body 14, and the liquid on the side generates pressure under the driving of the water outlet main blades 12 and the water outlet auxiliary blades 13 and can directionally flow under the guiding of the cavity.
The impeller with spiral water inlet blades of the embodiment has the advantages that the spiral water inlet blades 113 are distributed on the surface of the water inlet part 112 of the water inlet shaft 11, the structure is reasonable, the manufacture is easy, the water inlet blades 113 can drive liquid to flow along the extending direction of the water inlet blades 113 according to the axial flow principle, so that the flowing process of the liquid in the water inlet part 112 is stable, turbulence is not easy to generate, the operation efficiency of the water pump is improved, and noise is not easy to generate.
Embodiment two:
referring to fig. 5 and 6, the present embodiment provides a drainage pump for an air conditioner, which includes the impeller 1 with spiral water inlet blades, and further includes a pump body 2 and a pump cover 3.
The water pump body 2 is internally provided with a motor which is a brushless direct current motor, and leads with connectors are led out of the water pump body 2 so as to supply power to the motor and control the operation of the motor; the rotating shaft 21 of the motor penetrates out of the water pump body 2, 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 water inlet shaft 11 of the impeller 1, so that the rotating shaft 21 of the motor is linked with the impeller 1 to rotate, in this embodiment, the rotating shaft 21 of the motor is a D-shaped shaft, correspondingly, the shaft hole 111 is set as a D-shaped hole, and the rotating shaft 21 of the motor is in interference fit with the shaft hole 111 of the water inlet shaft 11.
The pump cover 3 is an integrally formed half shell, and is made of engineering plastics or metal; the pump cover 3 is respectively provided with a water inlet channel 31 and a water outlet channel 32, wherein the water inlet channel 31 is arranged along the axial direction of the pump cover 3, the water outlet channel 32 is arranged along the radial direction of the pump cover 3, namely, the water inlet channel 31 is positioned on the top surface of the pump cover 3, and the water outlet channel 32 is positioned on the side surface of the pump cover 3; the pump cover 3 is covered on the pump body 2 and covers the impeller 1 to form a cavity, in this embodiment, a buckle is formed on the pump cover 3, a hook is formed on the shell of the pump body 2, and the hook of the pump body 2 is clamped into the buckle of the pump cover 3, so that the pump cover 3 and the pump body 2 are mutually fixed; after assembly, the impeller 1 is positioned in the chamber, and the water inlet portion 112 of the impeller 1 penetrates into the water inlet channel 31 of the pump cover 3.
When the air conditioner drainage pump of this embodiment is in use, the water inlet channel 31 of the pump cover 3 extends into liquid, the water inlet portion 112 of the water inlet shaft 11 extends into liquid, the motor of the water pump body 2 provides power to rotate the impeller 1 integrally, the rotating water inlet blades 113 drive the liquid to flow along the extending direction of the water inlet blades 113 according to the axial flow principle, so that the liquid is sucked into the pump cover 3, the liquid passes through the gap between the water inlet shaft 11 and the wheel body 14, enters the other side of the wheel body 14, and the liquid on the side generates pressure under the drive of the water outlet main blades 12 and the water outlet auxiliary blades 13, can flow directionally under the guidance of the pump cover 3, and is discharged from the water outlet channel 32.
The impeller 1 of the air conditioner drainage pump of this embodiment is reasonable in structure and easy to manufacture, and the rotating water inlet blade 113 can drive liquid to flow along the extending direction of the water inlet blade 113 according to the axial flow principle, so that the flowing process of the liquid in the water inlet portion 112 is stable, turbulence is not easy to generate, the operation efficiency of the air conditioner drainage pump of this embodiment is improved, and noise is not easy to generate.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An impeller with spiral water inlet blades is characterized by comprising a water inlet shaft, a water outlet main blade and a wheel body;
one end of the water inlet shaft is provided with a shaft hole for the rotary shaft of the motor to penetrate;
the water outlet main blades are arranged with the water inlet shaft as a symmetrical center, at least one part of the water outlet main blades is connected with the water inlet shaft, at least another part of the water outlet main blades is connected with the wheel body, and at least one part of the water outlet main blades is suspended between the water inlet shaft and the wheel body;
the water inlet shaft extends along the axial direction relative to the other end of the shaft hole until the water inlet shaft passes through the end face of the wheel body, so that a water inlet part is formed, and spiral water inlet blades are arranged on the surface of the water inlet part of the water inlet shaft;
the distance of the two end points of the water inlet blade in the vertical direction is L1, the length of the water inlet shaft is L, and then L1: l=0.4 to 0.6.
2. The impeller with spiral inlet vanes of claim 1 wherein: the distance of the two end points of the water inlet blade in the horizontal direction is L2, and the diameter d of the water inlet shaft is L2: d=0.4 to 0.6.
3. The impeller with spiral inlet vanes of claim 1 wherein: the diameter D of the water inlet shaft, the major diameter of the water inlet blade is D, and then D: d=0.5 to 0.7.
4. The impeller with spiral inlet vanes of claim 1 wherein: the included angle beta between the tangent line of the water inlet blade at the top end of the water inlet shaft and the horizontal plane is 60-75 degrees.
5. The impeller with spiral inlet vanes of claim 1 wherein: the water inlet blades are uniformly distributed with three blades along the circumferential direction of the water inlet shaft.
6. The impeller with spiral inlet vanes of claim 1 wherein: 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, wherein the arched surface of the first arc-shaped part and the arched surface of the second arc-shaped part are respectively arranged at two sides of the straight line part;
the first arc-shaped part is connected with the water inlet shaft relative to one end of the straight line part, the bottom surface of the second arc-shaped part is connected with the wheel body, and the straight line part is suspended between the water inlet shaft and the wheel body.
7. The impeller with spiral inlet vanes of claim 1 wherein: and a plurality of water outlet auxiliary blades are arranged between every two water outlet main blades on the wheel body.
8. An air conditioner drainage pump, characterized by comprising the impeller with spiral water inlet blades as claimed in any one of claims 1-7, and further comprising a water pump body and a pump cover;
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 water inlet shaft of the impeller to enable the rotating shaft of the motor to be linked with the impeller to rotate;
the pump cover is covered on the water pump body and covers the impeller, so that a cavity is formed.
9. The drain pump of air conditioner of claim 8, wherein: the water inlet channel is arranged along the axial direction of the pump cover, and the water outlet channel is arranged along the radial direction of the pump cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223407261.4U CN220378534U (en) | 2022-12-20 | 2022-12-20 | With helical inlet vanes impeller and air conditioner drainage pump using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223407261.4U CN220378534U (en) | 2022-12-20 | 2022-12-20 | With helical inlet vanes impeller and air conditioner drainage pump using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378534U true CN220378534U (en) | 2024-01-23 |
Family
ID=89568657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223407261.4U Active CN220378534U (en) | 2022-12-20 | 2022-12-20 | With helical inlet vanes impeller and air conditioner drainage pump using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378534U (en) |
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2022
- 2022-12-20 CN CN202223407261.4U patent/CN220378534U/en active Active
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