CN207021790U - A kind of rotor structure of motor - Google Patents
A kind of rotor structure of motor Download PDFInfo
- Publication number
- CN207021790U CN207021790U CN201720944652.XU CN201720944652U CN207021790U CN 207021790 U CN207021790 U CN 207021790U CN 201720944652 U CN201720944652 U CN 201720944652U CN 207021790 U CN207021790 U CN 207021790U
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- Prior art keywords
- cover plate
- rotor
- iron core
- rotating shaft
- periphery
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 34
- 239000012530 fluid Substances 0.000 abstract description 11
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a kind of rotor structure of motor, belongs to technical field of motors.It is tight fit that it, which solves existing rotor structure sealing ring with rotating shaft, easy senile abrasion after sealing ring long-term use, and losing sealing effectiveness or sealing effectiveness reduces, and fluid may still invade the technical problem that internal rotor causes corrosion.The rotor structure of this motor includes rotating shaft, rotor set, cover plate one, iron core and magnet, iron core is in the form of a column, magnet is sheathed on iron core periphery, rotor set is sheathed on magnet periphery, rotating shaft is arranged with iron core coaxial line, cover plate one is annular in shape and is located at the upper end of iron core, the outer rim of the cover plate one and the madial wall of rotor set are tightly connected, rotating shaft periphery is arranged with steel bushing, steel bushing in a tubular form and with rotating shaft tight fit, iron core sleeve is located at the periphery of the steel bushing, and the inner edge of cover plate one and the periphery of steel bushing are connected by welded seal.The utility model realizes the absolute isolation of iron core and external fluid, improves the sealing property of the rotor structure of motor.
Description
Technical field
The utility model belongs to technical field of motors, is related to a kind of rotor structure of motor.
Background technology
Rotor is exactly the rotary part in motor, rotor by the permanent magnet of certain number of pole-pairs be embedded in iron core surface or
Person is embedded in core interior and formed.Permanent magnet is more using the high-coercive forces such as neodymium iron boron, the rare earth permanent-magnetic material of hypertonic magnetic induction density
It is made.Contain a large amount of neodymiums and iron in neodymium iron boron, be easily oxidized corrosion, iron core mainly has silicon steel to be made in addition, after meeting water
Also easily get rusty.
Authorization Notice No. is that CN205921475U Chinese patent discloses a kind of rotor structure, including rotating shaft, is sheathed on
Rotor core in rotating shaft and the rotor magnet being sheathed on the outside of rotor core, rotor core and rotating shaft tight fit, rotor magnet
Outer sheath be provided with rotor set, the upper end of rotor set has covers integrally formed capping with rotor, and the middle part of capping has through hole,
The upper end of rotating shaft is located in the through hole, and the seal assembly for being used for sealing up through hole is provided between capping and rotating shaft, rotor set
Length is more than the length of rotor magnet and rotor magnet is fully located in rotor set, under the lower end inside and rotor magnet of rotor set
Formed with accommodating chamber one between end, accommodating chamber one is interior to be provided with sealing unit.
Above-mentioned rotor structure improves sealing and service life length to a certain degree, but still comes with some shortcomings：Sealing ring
It is tight fit with rotating shaft, easy senile abrasion after sealing ring long-term use, losing sealing effectiveness or sealing effectiveness reduces, and fluid is still
Internal rotor may be invaded between sealing ring and rotating shaft to cause to corrode, the sealing property deficiency of the rotor structure of motor.
The content of the invention
The utility model is directed to above mentioned problem existing for existing technology, there is provided a kind of rotor structure of motor, this practicality
New technical problem to be solved is：How the sealing property of the rotor structure of motor is improved.
The purpose of this utility model can be realized by following technical proposal：
A kind of rotor structure of motor, including rotating shaft, rotor set, cover plate one, iron core and magnet, the iron core are in the form of a column,
The magnet is sheathed on iron core periphery, and the rotor set is sheathed on magnet periphery, and the rotating shaft is arranged with iron core coaxial line, described
Cover plate one is annular in shape and is located at the upper end of iron core, and the outer rim and the madial wall of rotor set of the cover plate one are tightly connected, and its feature exists
Be arranged with steel bushing in, the rotating shaft periphery, the steel bushing in a tubular form and with rotating shaft tight fit, the iron core sleeve is located at the steel bushing
Periphery, the inner edge of the cover plate one are connected with the periphery of the steel bushing by welded seal.
Motor after powered up the arrangement on rotor wire by motor arrange magnetic field and produce Lorentz force, rotor by
Power rotates to be used to drive external device so as to convert electrical energy into mechanical energy.By be arranged in the periphery of rotating shaft tubulose steel bushing and
The inner edge of cover plate one is connected with steel bushing peripheral seal, and one is connected as by welded seal between the inner edge of cover plate one and steel bushing
Body, for a long time using also will not senile abrasion, relatively stable sealing effectiveness can be always ensured that, iron core is by sealed envelope in rotor
Between set, cover plate one and steel bushing, avoid fluid and iron core is caused to corrode from the gap intrusion between cover plate one and rotating shaft, from
And improve the sealing property of the rotor structure of motor.
Have in a kind of rotor structure of above-mentioned motor, at the inner edge of the cover plate one along the extension of steel bushing periphery
Convex edge, in a ring, the periphery of the madial wall of the interior convex edge and the steel bushing fits for the interior convex edge.Cover plate one passes through welding side
Formula is realized with steel bushing and is tightly connected, and by convex edge in being set on cover plate one and the periphery of interior convex edge and steel bushing is fitted, is increased
The inner edge of cover plate one and the contact area of steel bushing are added, so as to which the stable degree and sealing effectiveness that are tightly connected get a promotion, have improved
The sealing property of the rotor structure of motor.
Have in a kind of rotor structure of above-mentioned motor, at the outer rim of the cover plate one along rotor set madial wall extension
Outer convex edge, in a ring, the side wall of the peripheral and rotor of outer convex edge set fits for the outer convex edge.By in cover plate
Convex edge 2 is set at one outer rim, the outer rim and the contact area of rotor set of cover plate one are added, so as to improve the rotor of motor
The sealing property of structure.
In a kind of rotor structure of above-mentioned motor, the lower end of the iron core is provided with cover plate two, the cover plate two it is interior
Edge is connected with the peripheral seal of the steel bushing, and the outer rim of the cover plate two and the madial wall of rotor set are tightly connected, the lid
Plate two is identical with the symmetrical configuration of the cover plate one.By the lower end of iron core set cover plate two, so by the iron core of rotor from
Surrounding effectively seals, and realizes the absolute isolation of iron core and external fluid, greatly improves the sealing of the rotor structure of motor
Energy.
In a kind of rotor structure of above-mentioned motor, the lower surface of the rotating shaft offers blind hole, the upper end of the rotating shaft
Periphery offers return port, and the return port is located at the top of steel bushing, and the return port is connected with blind hole.By set blind hole and
Return port, motor-driven external fluid is set to realize that backflow cools down to motor in motor.
In a kind of rotor structure of above-mentioned motor, the upper surface center of the rotating shaft offers locating slot, described fixed
Position groove is in bar shaped.By opening up the locating slot of bar shaped in the upper surface center of rotating shaft, such rotor positions with the service of connection devices installation
Shi Gengjia is convenient, improves the assembling convenience of rotor structure.
In a kind of rotor structure of above-mentioned motor, the rotating shaft is ceramic member.Ceramic shaft has a high temperature resistant, and high temperature is strong
Spend, corrosion resistant advantage, improve the service life of the rotor structure of motor.
In a kind of rotor structure of above-mentioned motor, the rotor set, steel bushing, cover plate one and cover plate two are stainless steel
Part.Rotor set, steel bushing, cover plate one and cover plate two can avoid it rotten by fluid by iron core environmental sealing, using stainless steel material
Make iron core unprotected after erosion, and be all the stability that stainless steel can ensure that welding, so as to improve the rotor structure of motor
Sealing property.
Compared with prior art, it is as follows the advantages of the utility model：
1st, the rotor structure of this motor sets steel bushing by the periphery in rotating shaft, makes rotor set, steel bushing, cover plate one and cover plate
Two effectively seal the iron core of rotor from surrounding, realize the absolute isolation of iron core and external fluid, improve the rotor knot of motor
The sealing property of structure.
2nd, the rotor structure of this motor adds cover plate by convex edge and outer convex edge in being set on cover plate one and cover plate two
One and the contact area of cover plate two and rotor set and steel bushing, so as to which the stable degree and sealing effectiveness of sealed connection get a promotion, carry
The sealing property of the rotor structure of high motor.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the rotor structure of this motor.
Fig. 2 is the cross-sectional view of the rotor structure of this motor.
Fig. 3 is the dimensional structure diagram of another angle of rotor structure of this motor.
In figure, 1, rotating shaft；11st, blind hole；12nd, return port；13rd, locating slot；
2nd, rotor set；3rd, cover plate one；4th, iron core；5th, magnet；6th, steel bushing；7th, interior convex edge；8th, outer convex edge；9th, cover plate two.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, the rotor structure of this motor includes rotating shaft 1, rotor set 2, cover plate 1, iron core 4 and magnet 5,
Iron core 4 is in the form of a column, and magnet 5 is sheathed on the periphery of iron core 4, and rotor set 2 is sheathed on the periphery of magnet 5, rotating shaft 1 and the coaxial line cloth of iron core 4
Put, cover plate 1 is annular in shape and is located at the upper end of iron core 4, and the outer rim and the madial wall of rotor set 2 of cover plate 1 are welded, outside rotating shaft 1
Enclose and be arranged with steel bushing 6, steel bushing 6 in a tubular form and is sheathed on the periphery of steel bushing 6, the inner edge of cover plate 1 with the tight fit of rotating shaft 1, iron core 4
With the peripheral solder of steel bushing 6, rotating shaft 1 is ceramic member.The wire of the motor arrangement on rotor after powered up in motor by arranging
Magnetic field and produce Lorentz force, rotor Forced rotation so as to convert electrical energy into mechanical energy be used for drive external device.By
The periphery of rotating shaft 1 is arranged the steel bushing 6 of tubulose and makes the inner edge of cover plate 1 and the peripheral solder of steel bushing 6, and the inner edge of cover plate 1 with
Welded between steel bushing 6, for a long time using also will not senile abrasion, relatively stable sealing effectiveness can be always ensured that, make the quilt of iron core 4
Sealed envelope is covered between 2, cover plate 1 and steel bushing 6 in rotor, avoids gap intrusion pair of the fluid between cover plate 1 and rotating shaft 1
Iron core 4 causes to corrode, so as to improve the sealing property of the rotor structure of motor.Ceramic shaft has high temperature resistant, and elevated temperature strength is good,
Corrosion resistant advantage, improve the service life of the rotor structure of motor.Further for, at the inner edge of cover plate 1 have to
The interior convex edge 7 of upper extension, in a ring, the periphery of the madial wall and steel bushing 6 of interior convex edge 7 fits for interior convex edge 7.Cover plate 1 passes through
Welding manner is realized with steel bushing 6 and connected, and by convex edge 7 in being set on cover plate 1 and makes interior convex edge 7 and the peripheral phase of steel bushing 6
Fitting, adds the inner edge of cover plate 1 and the contact area of steel bushing 6, so as to which the stable degree and sealing effectiveness that are tightly connected obtain
Lifting, improve the sealing property of the rotor structure of motor.There is the outer convex edge 8 upwardly extended, outer convex edge at the outer rim of cover plate 1
8 in a ring, and the periphery of outer convex edge 8 and the side wall of rotor set 2 fit.By setting convex edge two at the outer rim of cover plate 1,
The outer rim and the contact area of rotor set 2 of cover plate 1 are added, so as to improve the sealing property of the rotor structure of motor.
As shown in Figure 2 and Figure 3, the lower end of iron core 4 is provided with cover plate 29, and the inner edge of cover plate 29 connects with the peripheral seal of steel bushing 6
Connect, the outer rim and the madial wall of rotor set 2 of cover plate 29 are tightly connected, and cover plate 29 is identical with the symmetrical configuration of cover plate 1.Pass through
Cover plate 29 is set in the lower end of iron core 4, so effectively sealed the iron core 4 of rotor from surrounding, realizes iron core 4 and the external world
The absolute isolation of fluid, greatly improve the sealing property of the rotor structure of motor.Preferably, rotor set 2, steel bushing 6, cover plate one
3 and cover plate 29 be stainless steel part.Rotor set 2, steel bushing 6, cover plate 1 and cover plate 29 are stainless by the environmental sealing of iron core 4, use
Steel material can avoid it from making iron core 4 unprotected after by flow-induced corrosion, and be all the stabilization that stainless steel can ensure that welding
Property, so as to improve the sealing property of the rotor structure of motor.
As Figure 1-3, the lower surface of rotating shaft 1 offers blind hole 11, and the upper periphery of rotating shaft 1 offers return port 12, returns
Discharge orifice 12 is located at the top of steel bushing 6, and return port 12 is connected with blind hole 11.By setting blind hole 11 and return port 12, make motor
The external fluid of driving can realize that backflow cools down to motor in motor.The upper surface center of rotating shaft 1 offers locating slot
13, locating slot 13 is in bar shaped.By opening up the locating slot 13 of bar shaped in the upper surface center of rotating shaft 1, such rotor is set with docking
It is more convenient during standby installation positioning, improve the assembling convenience of rotor structure.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (8)
1. a kind of rotor structure of motor, including rotating shaft (1), rotor set (2), cover plate one (3), iron core (4) and magnet (5), institute
Iron core (4) to be stated to be in the form of a column, the magnet (5) is sheathed on iron core (4) periphery, and the rotor set (2) is sheathed on magnet (5) periphery,
The rotating shaft (1) arranges that the cover plate one (3) is annular in shape and is located at the upper end of iron core (4), the cover plate with iron core (4) coaxial line
The outer rim of one (3) is tightly connected with the madial wall of rotor set (2), it is characterised in that rotating shaft (1) periphery is arranged with steel bushing
(6), the steel bushing (6) in a tubular form and with rotating shaft (1) tight fit, the iron core (4) is sheathed on the periphery of the steel bushing (6), described
The inner edge of cover plate one (3) is connected with the periphery of the steel bushing (6) by welded seal.
2. the rotor structure of motor according to claim 1, it is characterised in that have at the inner edge of the cover plate one (3)
Along the interior convex edge (7) of steel bushing (6) periphery extension, the interior convex edge (7) in a ring, the madial wall of the interior convex edge (7) and the steel
The periphery of set (6) fits.
3. the rotor structure of motor according to claim 1, it is characterised in that have at the outer rim of the cover plate one (3)
Along rotor set (2) side wall extend outer convex edge (8), the outer convex edge (8) in a ring, the periphery of the outer convex edge (8) and institute
The side wall for stating rotor set (2) fits.
4. the rotor structure of the motor according to claim 1 or 2 or 3, it is characterised in that the lower end of the iron core (4) is set
There is cover plate two (9), the inner edge of the cover plate two (9) is connected with the peripheral seal of the steel bushing (6), the outer rim of the cover plate two (9)
It is tightly connected with the madial wall of the rotor set (2), the cover plate two (9) is identical with the symmetrical configuration of the cover plate one (3).
5. the rotor structure of the motor according to claim 1 or 2 or 3, it is characterised in that the lower surface of the rotating shaft (1)
Blind hole (11) is offered, the upper end periphery of the rotating shaft (1) offers return port (12), and the return port (12) is located at the steel bushing
(6) top, the return port (12) are connected with the blind hole (11).
6. the rotor structure of the motor according to claim 1 or 2 or 3, it is characterised in that the upper surface of the rotating shaft (1)
Center offers locating slot (13), and the locating slot (13) is in bar shaped.
7. the rotor structure of the motor according to claim 1 or 2 or 3, it is characterised in that the rotating shaft (1) is ceramic member.
8. the rotor structure of motor according to claim 4, it is characterised in that the rotor set (2), steel bushing (6), cover plate
One (3) and cover plate two (9) are stainless steel part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720944652.XU CN207021790U (en) | 2017-07-31 | 2017-07-31 | A kind of rotor structure of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720944652.XU CN207021790U (en) | 2017-07-31 | 2017-07-31 | A kind of rotor structure of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207021790U true CN207021790U (en) | 2018-02-16 |
Family
ID=61482527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720944652.XU Active CN207021790U (en) | 2017-07-31 | 2017-07-31 | A kind of rotor structure of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207021790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994296A (en) * | 2021-04-16 | 2021-06-18 | 新界泵业（江苏）有限公司 | Plastic packaging sealing structure for wet rotor |
| WO2022037249A1 (en) * | 2020-08-19 | 2022-02-24 | 浙江盾安人工环境股份有限公司 | Rotor assembly and electronic water pump |
-
2017
- 2017-07-31 CN CN201720944652.XU patent/CN207021790U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022037249A1 (en) * | 2020-08-19 | 2022-02-24 | 浙江盾安人工环境股份有限公司 | Rotor assembly and electronic water pump |
| CN112994296A (en) * | 2021-04-16 | 2021-06-18 | 新界泵业（江苏）有限公司 | Plastic packaging sealing structure for wet rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 288 Dongqiao Middle Road, Dayangcheng Industrial Zone, Daxi Town, Wenling City, Taizhou City, Zhejiang Province, 317525 Patentee after: Zhejiang Weige Intelligent Pump Industry Co.,Ltd. Country or region after: China Address before: No. 288 Dongqiao Middle Road, Dayangcheng Industrial Zone, Daxi Town, Wenling City, Taizhou City, Zhejiang Province, 317525 Patentee before: ZHEJIANG WIGO Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |