CN220586041U - Rotor structure of electronic water pump - Google Patents
Rotor structure of electronic water pump Download PDFInfo
- Publication number
- CN220586041U CN220586041U CN202322041539.9U CN202322041539U CN220586041U CN 220586041 U CN220586041 U CN 220586041U CN 202322041539 U CN202322041539 U CN 202322041539U CN 220586041 U CN220586041 U CN 220586041U
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- Prior art keywords
- rotating shaft
- bearing
- water pump
- rotating
- core
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims description 31
- 238000001746 injection moulding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an electronic water pump rotor structure, which belongs to the technical field of electronic water pumps and comprises: a rotating shaft; the rotating body is connected with the rotating shaft and comprises a rotating core, an installation part and a limiting part, one end of the installation part is connected with the rotating core, an installation groove is formed between the installation part and the rotating shaft, the limiting part is connected with the other end of the installation part, and a through hole is formed between the limiting part and the rotating shaft; the bearing is connected with the rotating body, one end of the bearing is arranged in the mounting groove, the other end of the bearing extends out of the through hole, and the limiting part is connected with the bearing and limits the bearing in the mounting groove. The beneficial effects of the utility model are as follows: can prevent that the rotor from producing rocking between bearing and the rotor at the motion in-process for this electronic water pump rotor structure is more stable.
Description
Technical Field
The utility model belongs to the technical field of electronic water pumps, and relates to an electronic water pump rotor structure.
Background
The main components of the automobile electronic water pump comprise a controller, a driving motor and an overcurrent component, wherein the driving motor and the overcurrent component form an actuating mechanism of the automobile electronic water pump, the controller is matched with the driving motor to control the water pump, the automobile electronic water pump can provide power output for an engine, a turbocharger and an intercooler cooling loop in a traditional automobile, and can provide power output for main heating part cooling loops of a motor, an electric control device, a battery and the like in a new energy automobile.
For example, an utility model patent with the application number of CN202221673289.X provides an automobile electronic water pump with a heat dissipation function, and belongs to the technical field of water pumps. It comprises the following steps: the device comprises a pump body, a front cover and a rear cover, wherein the front cover is connected with the pump body and forms a first inner cavity, and the rear cover is connected with the pump body and forms a second inner cavity; the heat dissipation plate is arranged in the second inner cavity and connected with the pump body; a controller connected to the heat dissipation plate; the water-blocking sleeve is arranged in the first inner cavity and connected with the pump body, the water-blocking sleeve is provided with a second through hole, and the first through hole is communicated with the second through hole; the rotor is inserted in the rotating shaft, a water inlet channel is formed between the rotor and the water blocking sleeve, and a backflow channel is formed between the rotor and the rotating shaft.
In summary, the rotor and the bearing of some existing technical schemes are separately arranged, and if a gap exists between the rotor and the bearing, the rotor may shake in the moving process, so that a large improvement space is provided.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an electronic water pump rotor structure.
The aim of the utility model can be achieved by the following technical scheme: an electronic water pump rotor structure, comprising:
a rotating shaft;
the rotating body is connected with the rotating shaft and comprises a rotating core, an installation part and a limiting part, one end of the installation part is connected with the rotating core, an installation groove is formed between the installation part and the rotating shaft, the limiting part is connected with the other end of the installation part, and a through hole is formed between the limiting part and the rotating shaft;
the bearing is connected with the rotating body, one end of the bearing is arranged in the mounting groove, the other end of the bearing extends out of the through hole, and the limiting part is connected with the bearing and limits the bearing in the mounting groove.
In the above-mentioned electronic water pump rotor structure, the rotor is an integrally formed piece, and the rotating core, the mounting portion and the limiting portion are integrally connected.
In the above-mentioned electronic water pump rotor structure, the rotor is an injection molding piece, and the rotor is injection molded by using the bearing and the rotating shaft as inserts.
In the above-mentioned electronic water pump rotor structure, the bearing is in interference fit with the rotating shaft.
In the above-mentioned electronic water pump rotor structure, the rotor further comprises a plastic core and a plastic magnetic sleeve, the rotating shaft is arranged in the plastic core, the plastic core is arranged in the plastic magnetic sleeve, and the plastic core comprises the rotating core, the mounting portion and the limiting portion.
In the above-mentioned electronic water pump rotor structure, the plastic magnetic sleeve and/or the plastic core is provided with at least one impeller lug, and the impeller lugs are distributed around the center of the rotating shaft.
In the above-mentioned electronic water pump rotor structure, the pivot is tubular structure, the pivot is provided with the heat dissipation passageway, the both ends of heat dissipation passageway are located respectively the both ends of pivot.
In the above-mentioned electronic water pump rotor structure, still include the heating panel, the pivot rotationally with the heating panel is connected, the heating panel is provided with water inlet, delivery port and rivers passageway, the water inlet passes through rivers passageway with the delivery port intercommunication, the water inlet is aimed at the cooling passageway, the delivery port is aimed at the impeller lug.
Compared with the prior art, the utility model has the beneficial effects that:
1. the mounting groove that accessible installation department and pivot formed between installs wherein with the bearing, is connected and restrict the bearing in the mounting groove through spacing portion and bearing, prevents that the bearing from deviating from in the rotor, consequently can prevent that the rotor from producing between bearing and the rotor in the motion process and rocking for this electronic water pump rotor structure is more stable.
2. The rotor is an integrated part, and the rotating core, the mounting part and the limiting part are integrally connected, so that the relation among the three parts is compact and reliable, the bearing can be better fixed, and the bearing is not easy to deviate from the rotor.
3. The rotating body is an injection molding piece formed by taking the bearing and the rotating shaft as insert injection molding, and the rotating core, the mounting part and the limiting part are all formed in the insert injection molding process, so that the tight rotating body is tightly connected with the bearing.
4. The bearing and the rotating shaft are in interference fit, so that the bearing and the rotating shaft are tightly matched when being used for injection molding of the insert, and are firmly connected without relative sliding, thereby ensuring higher quality of injection molding of the rotating body.
5. The plastic magnetic sleeve and/or the plastic core is provided with at least one impeller lug distributed around the center of the rotating shaft, and the rotating body can drive the impeller lug to rotate, so that the cooling liquid flow rate of a fluid area near the heat dissipation plate on the controller is accelerated, and the heat dissipation effect is improved.
6. The cooling liquid can enter from one end of the rotating shaft and be discharged from the other end of the rotating shaft through the heat dissipation channel in the rotating shaft, so that the rotating shaft is additionally cooled independently.
7. The cooling liquid is discharged from the end part of the rotating shaft through a heat dissipation channel in the rotating shaft, enters the water inlet of the heat dissipation plate, dissipates heat of a controller near the heat dissipation plate through a water flow channel, is discharged from the water outlet, and accelerates the flow of the cooling liquid near the impeller lugs.
Drawings
Fig. 1 is a schematic view of the structure of the rotating shaft, the rotating body and the bearing of the present utility model.
Fig. 2 is a schematic structural view of the shaft, the rotor and the bearing according to another aspect of the present utility model.
Fig. 3 is an exploded view of the shaft, rotor and bearing of the present utility model.
Fig. 4 is a schematic structural diagram of a rotor structure of an electronic water pump according to the present utility model.
Fig. 5 is a cross-sectional view from the A-A perspective of fig. 4.
Fig. 6 is a schematic structural view of a heat dissipating plate according to the present utility model.
Fig. 7 is a cross-sectional view from the perspective B-B of fig. 6.
In the figure, 100, a rotating shaft; 110. a heat dissipation channel; 200. a rotating body; 210. a plastic core; 211. a rotating core; 212. a mounting part; 213. a limit part; 220. a plastic magnetic sleeve; 221. impeller lugs; 300. a bearing; 400. a heat dissipation plate; 410. a water inlet; 420. a water outlet; 430. a water flow channel.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
As shown in fig. 1 to 7, an electronic water pump rotor structure includes: a rotating shaft 100, a rotating body 200, and bearings.
The rotor 200 is connected to the rotating shaft 100, the rotor 200 includes a rotating core 211, an installation portion 212, and a limiting portion 213, one end of the installation portion 212 is connected to the rotating core 211, an installation groove is formed between the installation portion 212 and the rotating shaft 100, the limiting portion 213 is connected to the other end of the installation portion 212, and a through hole is formed between the limiting portion 213 and the rotating shaft 100.
The bearing is connected to the rotator 200, one end of the bearing is disposed in the mounting groove, the other end of the bearing extends out of the through hole to be in contact with other parts of the pump body, and the limiting part 213 is connected to the bearing and limits the bearing to the mounting groove.
In this embodiment, the bearing is mounted in the mounting groove formed between the mounting portion 212 and the rotating shaft 100, and the bearing is connected to the bearing through the limiting portion 213 and limited in the mounting groove, so that the bearing is prevented from falling out of the rotor 200, and therefore, the rotor can be prevented from shaking between the bearing and the rotor during the movement process, so that the rotor structure of the electronic water pump is more stable.
As shown in fig. 1, 2, 3, and 5, in the above embodiment, the rotor 200 is an integrally formed piece, and the rotation core 211, the mounting portion 212, and the stopper 213 are integrally connected.
In the present embodiment, the rotor 200 is an integrally molded part, and the rotation core 211, the mounting portion 212, and the stopper portion 213 are integrally connected, so that the relationship between the three is relatively tight and reliable, and the bearing can be fixed more easily, and the bearing is less likely to come out of the rotor 200.
As shown in fig. 1, 2, 3, and 5, in the above embodiment, the rotor 200 is an injection molded part, and the rotor 200 is injection molded as an insert from the bearing and the shaft 100.
In the present embodiment, the rotor 200 is an injection molded part formed by insert molding the bearing and the rotation shaft 100, and the rotation core 211, the mounting portion 212, and the limiting portion 213 are formed in the insert molding process, so that the connection between the rotor 200 and the bearing is tight.
As shown in fig. 1, 2, 3 and 5, the bearing is in interference fit with the rotating shaft 100 according to the above embodiment.
In this embodiment, the bearing and the rotating shaft 100 are in interference fit, so that the bearing and the rotating shaft 100 are tightly matched when being injection molded as an insert, and are firmly connected without relative sliding, thereby ensuring that the quality of the injection molding of the rotating body 200 is high.
As shown in fig. 1, 2, 3, and 5, the rotor 200 further includes a plastic core 210 and a plastic magnetic sleeve 220, the rotating shaft 100 is disposed in the plastic core 210, the plastic core 210 is disposed in the plastic magnetic sleeve 220, and the plastic core 210 includes the rotating core 211, the mounting portion 212, and the limiting portion 213.
In the present embodiment, the rotator 200 includes the plastic core 210 and the plastic magnet sleeve 220 and the rotation core 211, the mounting portion 212, and the limiting portion 213 are included in the plastic core 210, so that the plastic core 210 is injection-molded by insert molding and the plastic magnet sleeve 220 is injection-molded by secondary insert molding.
As shown in fig. 2 and 5 (only the case where the plastic magnetic cover 220 is provided with the impeller lugs 221 is shown, and further, the case where the plastic core 210 is provided with the impeller lugs 221 is also included, and illustration is omitted herein), the plastic magnetic cover 220 and/or the plastic core 210 is provided with at least one impeller lug 221, and the impeller lugs 221 are distributed around the center of the rotating shaft 100 on the basis of the above embodiment.
In the prior art, the fluid area near the heat dissipation plate 300 on the controller of the electronic water pump is far away from the impeller, and the fluidity of the coolant is poor.
In this embodiment, the plastic magnetic sleeve 220 and/or the plastic core 210 is provided with at least one impeller lug 221 distributed around the center of the rotating shaft 100, and the rotating body 200 rotates to drive the impeller lug 221 to rotate, so that the cooling fluid in the fluid area near the heat dissipation plate 300 on the controller is accelerated, and the heat dissipation effect is improved.
As shown in fig. 1 to 5, in the above embodiment, the rotating shaft 100 has a tubular structure, the rotating shaft 100 is provided with a heat dissipation channel 110, and two ends of the heat dissipation channel 110 are respectively located at two ends of the rotating shaft 100.
In the present embodiment, the cooling liquid may be introduced from one end of the rotating shaft 100 and discharged from the other end of the rotating shaft 100 through the heat dissipation passage 110 in the rotating shaft 100, thereby additionally cooling the rotating shaft 100 separately.
As shown in fig. 4 to 7, the above embodiment further includes a heat dissipation plate 300, the rotation shaft 100 is rotatably connected to the heat dissipation plate 300, the heat dissipation plate 300 is provided with a water inlet 310, a water outlet 320, and a water flow channel 330, the water inlet 310 is communicated with the water outlet 320 through the water flow channel 330, the water inlet 310 is aligned with the heat dissipation channel 110, and the water outlet 320 is aligned with the impeller lugs 221.
In the present embodiment, the cooling liquid is discharged from the end of the rotating shaft 100 through the heat dissipation channel 110 in the rotating shaft 100, enters the water inlet 310 of the heat dissipation plate 300, dissipates heat of the controller near the heat dissipation plate 300 through the water flow channel 330, is discharged from the water outlet 320, and accelerates the flow of the cooling liquid near the impeller lugs 221.
Claims (8)
1. An electronic water pump rotor structure, characterized by comprising:
a rotating shaft;
the rotating body is connected with the rotating shaft and comprises a rotating core, an installation part and a limiting part, one end of the installation part is connected with the rotating core, an installation groove is formed between the installation part and the rotating shaft, the limiting part is connected with the other end of the installation part, and a through hole is formed between the limiting part and the rotating shaft;
the bearing is connected with the rotating body, one end of the bearing is arranged in the mounting groove, the other end of the bearing extends out of the through hole, and the limiting part is connected with the bearing and limits the bearing in the mounting groove.
2. An electronic water pump rotor structure as defined in claim 1, wherein: the rotor is an integrated part, and the rotating core, the mounting part and the limiting part are integrally connected.
3. An electronic water pump rotor structure as claimed in claim 2, wherein: the rotor is an injection molding piece, and the rotor is formed by taking the bearing and the rotating shaft as insert injection molding.
4. An electronic water pump rotor structure as claimed in claim 3, wherein: the bearing is in interference fit with the rotating shaft.
5. An electronic water pump rotor structure as defined in claim 1, wherein: the rotating body further comprises a plastic core and a plastic magnetic sleeve, the rotating shaft is arranged in the plastic core, the plastic core is arranged in the plastic magnetic sleeve, and the plastic core comprises the rotating core, the mounting part and the limiting part.
6. An electronic water pump rotor structure as defined in claim 5, wherein: the plastic magnetic sleeve and/or the plastic core is/are provided with at least one impeller lug, and the impeller lugs are distributed around the center of the rotating shaft.
7. The electronic water pump rotor structure of claim 6, wherein: the rotating shaft is of a tubular structure, a heat dissipation channel is arranged on the rotating shaft, and two ends of the heat dissipation channel are respectively located at two ends of the rotating shaft.
8. An electronic water pump rotor structure as defined in claim 7, wherein: the rotary shaft is rotatably connected with the heat dissipation plate, the heat dissipation plate is provided with a water inlet, a water outlet and a water flow channel, the water inlet is communicated with the water outlet through the water flow channel, the water inlet is aligned with the heat dissipation channel, and the water outlet is aligned with the impeller lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322041539.9U CN220586041U (en) | 2023-07-31 | 2023-07-31 | Rotor structure of electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322041539.9U CN220586041U (en) | 2023-07-31 | 2023-07-31 | Rotor structure of electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220586041U true CN220586041U (en) | 2024-03-12 |
Family
ID=90110986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322041539.9U Active CN220586041U (en) | 2023-07-31 | 2023-07-31 | Rotor structure of electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220586041U (en) |
-
2023
- 2023-07-31 CN CN202322041539.9U patent/CN220586041U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |