CN113217455A - Impeller for ultrathin water pump - Google Patents
Impeller for ultrathin water pump Download PDFInfo
- Publication number
- CN113217455A CN113217455A CN202110563759.0A CN202110563759A CN113217455A CN 113217455 A CN113217455 A CN 113217455A CN 202110563759 A CN202110563759 A CN 202110563759A CN 113217455 A CN113217455 A CN 113217455A
- Authority
- CN
- China
- Prior art keywords
- impeller
- impeller body
- ultra
- magnetic
- hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000003466 welding Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- 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
- F04D29/20—Mounting rotors on shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
本发明公开了一种用于超薄水泵的叶轮，包括叶轮本体，所述叶轮本体由导磁板材一体冲压成型；所述叶轮本体表面设有后盖板和凸出后盖板表面的若干个叶片，所述叶轮本体还设有在叶轮本体侧面的导磁环，所述导磁环设置在后盖板外部，所述叶轮本体中部还设有轮毂，所述后盖板、叶片、导磁环和轮毂为一体冲压成型，本发明的目的在于克服现有技术中的上述缺陷，提供一种用于超薄水泵的叶轮，有效减低了叶轮的轴向尺寸，简化了叶轮的组装工艺，降低了叶轮的制造和组装成本，提高了叶轮的尺寸精度。
The invention discloses an impeller for an ultra-thin water pump, which comprises an impeller body, the impeller body is integrally stamped and formed by a magnetic conductive plate; blade, the impeller body is also provided with a magnetic conducting ring on the side of the impeller body, the magnetic conducting ring is arranged outside the rear cover plate, the middle part of the impeller body is also provided with a hub, the rear cover plate, the blades, the magnetic conducting ring The ring and the hub are integrally stamped and formed. The purpose of the present invention is to overcome the above-mentioned defects in the prior art, and to provide an impeller for an ultra-thin water pump, which effectively reduces the axial dimension of the impeller, simplifies the assembly process of the impeller, reduces the The manufacturing and assembly costs of the impeller are reduced, and the dimensional accuracy of the impeller is improved.
Description
Technical Field
The invention relates to the technical field of impellers, in particular to an impeller for an ultrathin water pump.
Background
The industry is more and more demanding on ultra-thin water pumps, and not only has the size requirement, but also provides the requirements on rotating speed and performance, and the conventional impeller cannot meet the requirements.
The impeller assembly of the conventional water pump has two schemes: the first method comprises the following steps: as shown in fig. 1 and 2, the impeller assembly includes an impeller, a motor housing, a magnet, and a bearing. The impeller is a plastic material component, and the processing technology of the impeller is injection molding. The bearing and the impeller are assembled in the following mode: when the impeller is molded by injection, the bearing is embedded into the middle part of the impeller by adopting an insert molding technology. The assembled bearing and impeller are assembled with a motor shell and a magnetized magnet to form an impeller assembly with complete functions; and the second method comprises the following steps: as shown in fig. 3 and 4, the impeller assembly includes an impeller and a bearing. The impeller is an injection molding magnetic material component, and the processing technology is injection molding. The bearing and the impeller are assembled in the following mode: when the impeller is molded by injection, the bearing is embedded into the middle part of the impeller by adopting an insert molding technology. And subsequently magnetizing the impeller to obtain the impeller assembly with complete functions.
If the impeller adopts the scheme I, the axial size of the impeller is difficult to further reduce because the impeller needs to be assembled with the motor shell; if the impeller adopts the second scheme, the axial size of the impeller can be reduced because the impeller does not need to be assembled with the motor shell, but the impeller is formed by injection molding, so that the dimensional tolerance of a finished product is larger.
Therefore, the above two schemes cannot meet the requirement of the industry on the ultra-thin water pump.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the impeller for the ultrathin water pump, which effectively reduces the axial size of the impeller, simplifies the assembly process of the impeller, reduces the manufacturing and assembly cost of the impeller, and improves the size precision of the impeller.
In order to achieve the purpose, the invention provides an impeller for an ultrathin water pump, which comprises an impeller body, wherein the impeller body is integrally formed by punching and molding a magnetic conductive plate; the impeller body surface is equipped with a plurality of blade on back shroud and protrusion back shroud surface, the impeller body still is equipped with the magnetic conduction ring in the impeller body side, the magnetic conduction ring sets up outside the back shroud, the impeller body middle part still is equipped with wheel hub, back shroud, blade, magnetic conduction ring and wheel hub are stamping forming as an organic whole.
Preferably, the impeller body is a metallic soft magnetic material member.
Preferably, the rear cover plate and the magnetic conductive ring form a first chamber, and a magnet is arranged in the first chamber.
Preferably, the lower part of the hub is provided with a shaft core, and the hub and the shaft core are fixedly arranged together by welding.
Preferably, the shaft core is a stainless steel member, and the hub and the shaft core are welded by laser welding.
Preferably, the magnet is a magnetic ring or a plurality of magnetic shoes; the magnet is a neodymium iron boron material component; the magnet and the magnetic conductive ring are bonded together through a binder.
Preferably, the magnetic conductive ring is further provided with side blades protruding out of the surface of the magnetic conductive ring.
Preferably, the hub is provided with a plurality of air outlet holes.
Compared with the prior art, the invention has the beneficial effects that:
1. the novel impeller structure is characterized in that the surface of the impeller body is provided with the rear cover plate and the plurality of blades protruding out of the surface of the rear cover plate, the impeller body is also provided with the magnetic conduction ring on the side surface of the impeller body, and the middle part of the impeller body is also provided with the hub.
2. The impeller body is integrally formed by punching and molding the magnetic conductive plate, and the impeller body integrates the impeller and the motor shell together, so that the axial size of the impeller body is effectively reduced, the assembly process of the impeller body is simplified, and the manufacturing and assembly cost of the impeller body is reduced; the size precision of the impeller body can be improved by adopting integral punch forming, the use rotating speed of the impeller body is improved, and the power range of the water pump is enlarged; meanwhile, the impeller body is made of a metal soft magnetic material component, so that the impeller body formed by metal punch forming is higher in strength than the impeller body manufactured by an injection molding process.
3. The hub and the shaft core are fixedly assembled together through laser welding, compared with the existing impeller assembly, the impeller assembly removes a bearing, the shaft core is introduced, and the shaft core and the hub are fixedly connected together through laser welding, so that the perpendicularity of the shaft core and the impeller body is effectively improved, and the assembly precision of the impeller assembly is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a first conventional water pump scheme;
FIG. 2 is a cross-sectional view of a first conventional water pump arrangement;
FIG. 3 is a schematic structural diagram of a second conventional water pump scheme;
FIG. 4 is a cross-sectional view of a second conventional water pump arrangement;
fig. 5 is a schematic structural diagram of an impeller for an ultra-thin water pump according to a first embodiment;
fig. 6 is a sectional view of an impeller for an ultra-thin water pump according to the first embodiment;
fig. 7 is a schematic structural diagram of an impeller for an ultra-thin water pump according to a second embodiment;
fig. 8 is a sectional view of an impeller for an ultra-thin water pump according to the second embodiment.
The figure includes:
1-impeller body, 11-rear cover plate, 12-blade, 13-magnetic ring, 14-hub, 2-magnet, 3-shaft core, 141-air outlet, 131-side blade, 4-impeller, 5-motor shell and 6-bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are one embodiment of the present invention, and not all embodiments of the present invention. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 5 and 6, in the first embodiment, an impeller for an ultra-thin water pump is provided, including an impeller body 1, where the impeller body 1 is integrally formed by punching and molding a magnetic conductive plate; the impeller body 1 combines the impeller 4 and the motor shell 5 together, so that the axial size of the impeller body 1 is effectively reduced, the assembly process of the impeller body is simplified (specifically, the assembly process is not needed because the impeller 4 and the motor shell 5 are combined together, and the manufacturing and assembly costs of the impeller body 1 are reduced; the size precision of the impeller body 1 can be improved by adopting integral punch forming, the use rotating speed of the impeller body 1 is improved, and the power range of the water pump is enlarged; meanwhile, the impeller body 1 is made of a metal soft magnetic material component, so that the impeller body 1 formed by metal punch forming is higher in strength than that manufactured by an injection molding process.
Because impeller body 1 adopts the soft magnetic material component of metal, can transmit the heat that produces inside the water pump to impeller body 1 via inside coolant liquid to in transmitting to the coolant liquid again by impeller body 1, effectively reduced the temperature rise of water pump, prolonged the life of water pump.
The impeller comprises an impeller body 1 and is characterized in that a rear cover plate 11 and a plurality of blades 12 protruding out of the surface of the rear cover plate 11 are arranged on the surface of the impeller body 1, and specifically, the number of the blades 12 is 11; the impeller body 1 is further provided with a magnetic conduction ring 13 on the side face of the impeller body 1, the magnetic conduction ring 13 is arranged outside the rear cover plate 11, the middle part of the impeller body 1 is further provided with a hub 14, and the rear cover plate 11, the blades 12, the magnetic conduction ring 13 and the hub 14 are integrally formed in a punch forming mode; because impeller body 1 has adopted above-mentioned new construction for the inside magnet 2 of installing of impeller body 1 is bigger with the space that holds stator core, consequently can hold more magnet 2 and stator core, effectively promotes the efficiency and the power scope of water pump.
The magnet 2 is a magnetic ring or a plurality of magnetic shoes; the magnet 2 is a neodymium iron boron material component; the magnet 2 and the magnetic conductive ring 13 are bonded together by an adhesive.
As shown in fig. 5, the cross section of the blade 12 gradually decreases from outside to inside, and the cross section of the blade 12 decreases closer to the hub 14 and increases closer to the magnetic conductive ring 13.
As shown in fig. 5, a plurality of air outlets 141 are provided on the hub 14, in this embodiment, a plurality of circular air outlets 141 are provided on the hub 14, and the number of the air outlets 141 is preferably 3.
Example two
Referring to fig. 7 and 8, the second embodiment also provides an impeller for an ultra-thin water pump. The second embodiment has the same structure as the first embodiment, except that: the magnetic conductive ring 13 is further provided with side blades 131 protruding out of the surface of the magnetic conductive ring 13, and the added side blades 131 can increase certain pressure on the cooling water on the side surface, so that the efficiency and the power range of the water pump are enlarged.
The assembling process of the impeller assembly comprises the following steps: firstly, taking out a magnetic conductive plate, placing the magnetic conductive plate on a punching machine, and integrally punching and forming the impeller body 1; secondly, fixing the impeller body 1 and a shaft core 3 made of a stainless steel material component together by laser welding; and finally, bonding the magnet 2 inside the magnetic conductive ring 13 of the impeller body 1 through an adhesive, and waiting for a period of time to fixedly connect the magnet 2 and the magnetic conductive ring 13 together.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (8)
1. The impeller for the ultrathin water pump is characterized by comprising an impeller body (1), wherein the impeller body (1) is integrally formed by punching and molding a magnetic conductive plate; impeller body (1) surface is equipped with a plurality of blade (12) on back shroud (11) and protrusion back shroud (11) surface, impeller body (1) still is equipped with magnetic conduction ring (13) to the side of impeller body (1), magnetic conduction ring (13) set up in back shroud (11) outside, impeller body (1) middle part still is equipped with wheel hub (14), back shroud (11), blade (12), magnetic conduction ring (13) and wheel hub (14) stamping forming as an organic whole.
2. An impeller for ultra thin water pumps according to claim 1 characterized in that the impeller body (1) is a metallic soft magnetic material component.
3. An impeller for ultra-thin water pumps according to claim 1, characterized in that the back cover plate (11) and the magnetic conductive ring (13) form a first chamber, inside which the magnet (2) is installed.
4. An impeller for ultra-thin water pumps as claimed in claim 1, characterized in that the hub (14) is provided with a shaft core (3) at the lower part, and the hub (14) and the shaft core (3) are fixed together by welding.
5. An impeller for ultra-thin water pumps according to claim 4, characterized in that the shaft core (3) is a stainless steel material component, and the hub (14) and the shaft core (3) are welded by laser welding.
6. An impeller for ultra-thin water pumps as claimed in claim 3, characterized in that the magnets (2) are magnetic rings or magnetic shoes; the magnet (2) is a neodymium iron boron material component; the magnet (2) and the magnetic conductive ring (13) are bonded together through an adhesive.
7. An impeller for ultra-thin water pumps according to claim 1, characterized in that the magnetic conductive ring (13) is further provided with side blades (131) protruding the surface of the magnetic conductive ring (13).
8. An impeller for ultra-thin water pumps as claimed in claim 1, characterized in that the hub (14) is provided with a plurality of air outlet holes (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110563759.0A CN113217455A (en) | 2021-05-24 | 2021-05-24 | Impeller for ultrathin water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110563759.0A CN113217455A (en) | 2021-05-24 | 2021-05-24 | Impeller for ultrathin water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113217455A true CN113217455A (en) | 2021-08-06 |
Family
ID=77099311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110563759.0A Pending CN113217455A (en) | 2021-05-24 | 2021-05-24 | Impeller for ultrathin water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113217455A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119508264A (en) * | 2025-01-21 | 2025-02-25 | 浙江亿迈智汇科技股份有限公司 | A stainless steel water pump impeller and a manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070114869A1 (en) * | 2005-11-22 | 2007-05-24 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan device having an ultra thin-type structure with a minimum air gap for reducing an axial thickness |
| CN101131162A (en) * | 2006-08-25 | 2008-02-27 | 上海思考电子有限公司 | Impeller assembly for brushless fan motor |
| CN208063002U (en) * | 2018-05-05 | 2018-11-06 | 东莞市丰车电子科技有限公司 | A kind of Short Ultra-Thin Small Cooling Fan Motor |
| CN112780605A (en) * | 2020-12-31 | 2021-05-11 | 东莞市鸿盈电子科技有限公司 | Novel impeller and micro water pump comprising same |
| CN215370338U (en) * | 2021-05-24 | 2021-12-31 | 东莞市鸿盈电子科技有限公司 | Impeller for ultrathin water pump |
-
2021
- 2021-05-24 CN CN202110563759.0A patent/CN113217455A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070114869A1 (en) * | 2005-11-22 | 2007-05-24 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan device having an ultra thin-type structure with a minimum air gap for reducing an axial thickness |
| CN101131162A (en) * | 2006-08-25 | 2008-02-27 | 上海思考电子有限公司 | Impeller assembly for brushless fan motor |
| CN208063002U (en) * | 2018-05-05 | 2018-11-06 | 东莞市丰车电子科技有限公司 | A kind of Short Ultra-Thin Small Cooling Fan Motor |
| CN112780605A (en) * | 2020-12-31 | 2021-05-11 | 东莞市鸿盈电子科技有限公司 | Novel impeller and micro water pump comprising same |
| CN215370338U (en) * | 2021-05-24 | 2021-12-31 | 东莞市鸿盈电子科技有限公司 | Impeller for ultrathin water pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119508264A (en) * | 2025-01-21 | 2025-02-25 | 浙江亿迈智汇科技股份有限公司 | A stainless steel water pump impeller and a manufacturing method thereof |
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