CN210599467U - Self-balancing water pump - Google Patents
Self-balancing water pump Download PDFInfo
- Publication number
- CN210599467U CN210599467U CN201921692209.3U CN201921692209U CN210599467U CN 210599467 U CN210599467 U CN 210599467U CN 201921692209 U CN201921692209 U CN 201921692209U CN 210599467 U CN210599467 U CN 210599467U
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- China
- Prior art keywords
- pump
- impeller
- pump shaft
- water
- driving motor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000004809 Teflon Substances 0.000 claims 1
- 229920006362 Teflon® Polymers 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a self-balancing water pump, which comprises a driving motor, a pump shell and a pump shaft axially penetrating through the driving motor and the pump shell, wherein one end of the pump shaft is connected with the driving motor, and the other end of the pump shaft is positioned in the pump shell and is sequentially provided with a sealing part, an impeller, an auxiliary impeller and a guide vane body; two water inlets are formed in the pump shell between the sealing part and the impeller and are symmetrically distributed on two sides of the pump shell, a water outlet is formed in the tail end, located in the water flow conveying direction, of the pump shell, and the guide vane body is rotatably connected with the pump shaft through a sliding bearing; the pump shaft adopts a structure that two water inlets are symmetrically arranged, so that the defect that unilateral axial thrust is generated in the prior art is overcome, the stress of the pump shaft is balanced, the axial thrust is balanced by combining the arrangement of the auxiliary impeller, the friction and the abrasion of parts are reduced, the whole structure is scientific, reasonable, simple and compact, the installation and the operation are convenient, and the economic benefit and the social benefit are obvious; it is widely suitable for being matched with liquid conveying equipment.
Description
Technical Field
The utility model relates to a liquid conveying equipment especially relates to a self-balancing water pump.
Background
The water pump generally comprises a pump body, an impeller and a motor; when the pump works, the motor drives the impeller to rotate at a high speed, liquid in the pump body rotates along with the impeller, the liquid is thrown out by the impeller under the action of centrifugal force, and a vacuum low-pressure area is formed in the center of the impeller, so that the liquid is continuously sucked into the pump body and then is discharged through the outlet of the water pump; when the impeller operates, the liquid acts on the front and back pressure of the impeller and is different, unilateral axial thrust pointing to the suction side of the impeller can be generated, the axial thrust has strong destructiveness to the pump structure, impact and collision can be generated, the friction and abrasion of parts are increased, the vibration amplitude of the pump body is increased, the conveying efficiency and the service life of the pump are reduced, and the maintenance cost of equipment is increased.
Disclosure of Invention
In view of the above situation, an object of the utility model is to provide a self-balancing water pump, thereby it adopts the symmetry to set up the structure of two water inlets and overcomes prior art and produce the defect of unilateral axial thrust, can make the pump shaft atress balanced to combine to set up the balanced axial thrust of auxiliary impeller, reduced the friction and wear of spare part, overall structure scientific and reasonable, simple compactness, installation and convenient operation, market prospect is wide, convenient to popularize and use.
In order to achieve the purpose, the self-balancing water pump comprises a driving motor, a pump shell and a pump shaft axially penetrating through the driving motor and the pump shell, wherein one end of the pump shaft is connected with the driving motor, and the other end of the pump shaft is positioned in the pump shell and is sequentially provided with a sealing part, an impeller, an auxiliary impeller and a guide vane body; the water pump is characterized in that two water inlets are formed in the pump shell between the sealing part and the impeller and symmetrically distributed on two sides of the pump shell, a water outlet is formed in the tail end, located in the water flow conveying direction, of the pump shell, and the guide vane body is rotatably connected with the pump shaft through a sliding bearing.
In order to realize the optimization of the structure and the effect, the further measures are as follows: the impeller is an open impeller.
The water outlet is positioned on the pump shell at the rear side of the guide vane body and is coaxial with the guide vane body.
The sliding bearing is made of polytetrafluoroethylene materials.
The driving motor comprises a shell, a motor rotor and a motor stator, wherein the motor rotor and the motor stator are positioned in the shell and are sequentially sleeved on the outer side of the pump shaft.
The motor rotor and the motor stator are respectively coaxially sleeved on the outer side of the pump shaft.
The utility model discloses compare the produced beneficial effect of prior art:
the utility model (I) adopts two water inlets symmetrically arranged on two sides of the pump case, which can balance the stress of the pump shaft, reduce the friction wear, axial impact and collision of parts, reduce the vibration amplitude of the pump body during working, facilitate the improvement of the conveying efficiency and the service life of the water pump, and obviously reduce the maintenance cost and the operation cost of the equipment;
(II) the back of the impeller is provided with the auxiliary impeller, when the auxiliary impeller rotates along with the pump shaft, the axial thrust can be reduced, the axial impact and collision are further reduced, the service life of the equipment is prolonged, and the maintenance cost is reduced;
(III) the utility model discloses a thereby the symmetry sets up the structure of two water inlets and overcomes prior art and produce the defect of unilateral axial thrust, can make the pump shaft atress balanced to combine to set up the balanced axial thrust of auxiliary impeller, reduced the friction and wear of spare part, overall structure scientific and reasonable, simple compactness, installation and convenient operation have apparent economic benefits and social.
The utility model discloses extensively be applicable to liquid conveying equipment and use in coordination.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic view of the overall installation structure of the present invention.
In the figure: 1-fan, 2-driving motor, 21-shell, 22-radiating fin, 3-pump shaft, 4-sealing component, 5-impeller, 6-auxiliary impeller, 7-sliding bearing, 8-guide vane body, 9-pump shell, 91-water inlet, 92-water outlet and 10-protective cover.
Detailed Description
Referring to fig. 1, the present invention is implemented as follows: a self-balancing water pump comprises a driving motor 2, a pump shell 9 and a pump shaft 3 axially penetrating through the driving motor 2 and the pump shell 9, wherein one end of the pump shaft 3 is connected with the driving motor 2, and the other end of the pump shaft 3 is positioned in the pump shell 9 and is sequentially provided with a sealing part 4, an impeller 5, an auxiliary impeller 6 and a guide vane body 8; two water inlets 91 are arranged on the pump shell 9 between the sealing part 4 and the impeller 5, the two water inlets 91 are symmetrically distributed on two sides of the pump shell 9, a water outlet 92 is arranged at the tail end of the pump shell 9 in the water flow conveying direction, and the guide vane body 8 is rotatably connected with the pump shaft 3 through a sliding bearing 7.
Referring to fig. 1, the impeller 5 of the present invention is an open impeller, and the open impeller generally has no cover plate on both sides of the blade, so that the present invention has the advantages of simple manufacture, convenient cleaning, and high conveying efficiency; the water outlet 92 is positioned on the pump shell 9 at the rear side of the guide vane body 8 and is coaxially arranged with the guide vane body 8, the liquid thrown out by the impeller 5 can be collected by the guide vane body 8 and uniformly guided to the water outlet 92, partial kinetic energy of the liquid can be converted into pressure energy in the guide vane body 8, the convolution of the liquid caused by the rotation of the impeller 5 is eliminated, the impact of the liquid on the pump body is reduced, the orderly and continuous conveying of the liquid is favorably ensured, and the conveying efficiency of the water pump is improved; the sliding bearing 7 is made of polytetrafluoroethylene materials, the polytetrafluoroethylene is called as 'plastic king', and the sliding bearing has good mechanical toughness, excellent chemical stability, corrosion resistance, sealing property, high lubrication non-adhesiveness, electric insulation property and ageing resistance, so that the sliding bearing made of the polytetrafluoroethylene has long service life, and is beneficial to reducing the operation cost.
As shown in fig. 1, the driving motor 2 of the present invention includes a housing 21, a motor rotor and a motor stator located in the housing 21 and sequentially sleeved outside the pump shaft 3, and when the driving motor works, the motor rotor drives the pump shaft 3 to rotate after being powered on, so that the impeller 5 can rotate along with the pump shaft, thereby completing the transportation of liquid; the motor rotor and the motor stator are respectively coaxially sleeved outside the pump shaft 3, so that the stable and reliable operation of the pump shaft 3 is ensured; the shell 21 is generally made of an aluminum alloy material, and the aluminum alloy material has high strength, good plasticity and excellent heat conductivity and corrosion resistance, so that the shell 21 is light and firm and is convenient for heat dissipation of the motor, and the outer circle surface of the shell 21 is also provided with a plurality of integrally formed radiating fins 22; the pump shaft 3 is also provided with a fan 1 at the outer side of the driving motor 2 and used for dissipating heat and cooling the driving motor 2; the outside of fan 1 is equipped with protection casing 10, is favorable to ensureing the operation safety.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be within the technical scope of the present invention, and the technical solution and the concept of the present invention should be replaced or changed equivalently, and all should be included in the scope of the present invention.
Claims (6)
1. A self-balancing water pump is characterized by comprising a driving motor (2), a pump shell (9) and a pump shaft (3) axially penetrating through the driving motor (2) and the pump shell (9), wherein one end of the pump shaft (3) is connected with the driving motor (2), and the other end of the pump shaft (3) is positioned in the pump shell (9) and is sequentially provided with a sealing part (4), an impeller (5), an auxiliary impeller (6) and a guide vane body (8); the pump casing (9) between the sealing part (4) and the impeller (5) is provided with two water inlets (91), the two water inlets (91) are symmetrically distributed on two sides of the pump casing (9), the tail end of the pump casing (9) in the water flow conveying direction is provided with a water outlet (92), and the guide vane body (8) is rotatably connected with the pump shaft (3) through a sliding bearing (7).
2. Self-balancing water pump according to claim 1, characterized in that the impeller (5) is an open impeller.
3. Self-balancing water pump according to claim 1, characterized in that the water outlet (92) is located on the pump housing (9) behind the guide vane body (8) and is arranged coaxially with the guide vane body (8).
4. Self-balancing water pump according to claim 1, characterized in that the sliding bearing (7) is made of teflon.
5. The self-balancing water pump of claim 1, characterized in that the driving motor (2) comprises a housing (21), a motor rotor and a motor stator located in the housing (21) and sequentially sleeved outside the pump shaft (3).
6. The self-balancing water pump of claim 5, characterized in that the motor rotor and the motor stator are respectively coaxially sleeved outside the pump shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692209.3U CN210599467U (en) | 2019-10-11 | 2019-10-11 | Self-balancing water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692209.3U CN210599467U (en) | 2019-10-11 | 2019-10-11 | Self-balancing water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599467U true CN210599467U (en) | 2020-05-22 |
Family
ID=70687910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921692209.3U Active CN210599467U (en) | 2019-10-11 | 2019-10-11 | Self-balancing water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599467U (en) |
-
2019
- 2019-10-11 CN CN201921692209.3U patent/CN210599467U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHANGSHA CANON PUMP Co.,Ltd. Assignor: Hunan Jiahua Pump Co.,Ltd. Contract record no.: X2023980043860 Denomination of utility model: A self balancing water pump Granted publication date: 20200522 License type: Common License Record date: 20231020 |