CN107465287A - Rotor assembly, rotor assembly and motor - Google Patents
Rotor assembly, rotor assembly and motor Download PDFInfo
- Publication number
- CN107465287A CN107465287A CN201710771343.1A CN201710771343A CN107465287A CN 107465287 A CN107465287 A CN 107465287A CN 201710771343 A CN201710771343 A CN 201710771343A CN 107465287 A CN107465287 A CN 107465287A
- Authority
- CN
- China
- Prior art keywords
- moulding
- rotor assembly
- accommodating chamber
- magnetic shoe
- mating groove
- 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
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Classifications
-
- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
Abstract
The invention discloses a kind of rotor assembly, rotor assembly and motor, rotor assembly includes:Rotor core, formed with multiple mating grooves on rotor core;Multiple magnetic shoes, the multiple magnetic shoe, which corresponds, to be coordinated in multiple mating grooves, at least one one of which being provided with spacing preiection and limited impression in the opposing sidewalls of each mating groove, the side wall of each magnetic shoe is provided with the another kind in spacing preiection and limited impression, spacing preiection and limited impression coordinate, and the radial direction both ends of magnetic shoe limit the first accommodating chamber and the second accommodating chamber with the radial direction both ends of corresponding mating groove respectively;Moulding, moulding include the first moulding and the second moulding, and the first moulding and the second moulding are filled in the first accommodating chamber and the second accommodating chamber respectively.It is higher according to the rotor assembly of the present invention, the moulding intensity of rotor assembly so that the operational reliability for reliably, improving rotor assembly is connected between moulding and rotor core.
Description
Technical field
The present invention relates to technical field of motors, more particularly, to a kind of rotor assembly, rotor assembly and motor.
Background technology
In correlation technique, rotor assembly uses plastic structure, and magnetic shoe is not accurately positioned in rotor core so that plastic
Structure is in injection moulding process, because the effect of injection pressure causes magnetic shoe to be moved radially outward, causes the thickness of plastic structure outer wall
Degree is smaller, intensity is relatively low, and in rotor assembly high-speed rotation, plastic structure outer wall is easily separated from rotor core.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, one object of the present invention
It is to propose a kind of rotor assembly, the moulding intensity of the rotor assembly is higher so that connects between moulding and rotor core
Connect the operational reliability for reliably, improving rotor assembly.
It is another object of the present invention to propose a kind of rotor assembly with above-mentioned rotor assembly.
Another object of the present invention is to propose a kind of motor with above-mentioned rotor assembly.
The rotor assembly of embodiment according to a first aspect of the present invention, including:Rotor core, on the rotor core formed with
Multiple mating grooves, the multiple mating groove are provided at circumferentially spaced along the rotor core;Multiple magnetic shoes, the multiple magnetic shoe one
One corresponding matching is in the multiple mating groove, and each gap between the magnetic shoe and the corresponding mating groove coordinates, often
At least one one of which being provided with spacing preiection and limited impression in the opposing sidewalls of the individual mating groove, it is each described
The side wall of magnetic shoe is provided with the another kind in the spacing preiection and the limited impression, the spacing preiection and the limited impression
Coordinate, the radial direction both ends of the radial direction both ends of the magnetic shoe respectively with the corresponding mating groove limit the first accommodating chamber and second
Accommodating chamber;Moulding, the moulding include the first moulding and the second moulding, first moulding and second note
Plastic is filled in first accommodating chamber and second accommodating chamber respectively.
Rotor assembly according to embodiments of the present invention, by the cooperation of spacing preiection and stopper slot, realize magnetic shoe with
Close the positioning in groove so that magnetic shoe can not move in mating groove along rotor core radially with respect to mating groove, so as to ensure
Second moulding has enough thickness, intensity after moulding, when avoiding rotor assembly high-speed rotation, second moulding
Depart from rotor core, and then ensure that the bonding strength between the second moulding and rotor core.
It is at least one provided with described in the opposing sidewalls of each mating groove according to some embodiments of the present invention
Spacing preiection, formed with the limited impression in the side wall of the magnetic shoe.
According to some embodiments of the present invention, the spacing preiection is equipped with the opposing sidewalls of each mating groove.
According to some embodiments of the present invention, the limited impression axially through the magnetic shoe or the mating groove,
The axial length of the spacing preiection is less than or equal to the axial length of the limited impression.
According to some embodiments of the present invention, the cross section of the spacing preiection is formed as triangle.
According to some embodiments of the present invention, second accommodating chamber is located at the outside of first accommodating chamber, and described
Shape between the side wall of second moulding at least one and second accommodating chamber in the opposing sidewalls of two accommodating chambers
Into male-female engagement.
According to some embodiments of the present invention, positioning convex is equipped with the opposing sidewalls of second accommodating chamber, it is described
Formed with the detent being adapted with the positioning convex in the opposing sidewalls of second moulding.
According to some embodiments of the present invention, each mating groove runs through the axial both ends of the rotor core, described
Moulding also includes the shape on the 3rd moulding and the 4th moulding at magnetic shoe axial direction both ends, the rotor core respectively
Into there is at least one through hole, filled with connection moulding in the through hole, the both ends of the connection moulding are respectively with described the
Three mouldings are connected with the 4th moulding.
The rotor assembly of embodiment according to a second aspect of the present invention, including according to the above-mentioned first aspect embodiment of the present invention
Rotor assembly.
Rotor assembly according to embodiments of the present invention, by using above-mentioned rotor assembly, improve the fortune of rotor assembly
Row reliability.
The motor of embodiment according to a third aspect of the present invention, including the rotor according to the above-mentioned second aspect embodiment of the present invention
Assembly.
Motor according to embodiments of the present invention, by using above-mentioned rotor assembly so that the operational reliability of motor compared with
It is high.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein:
Fig. 1 is the schematic diagram of rotor assembly according to embodiments of the present invention;
Fig. 2 is the sectional view of the rotor assembly shown in Fig. 1;
Fig. 3 is another sectional view of the rotor assembly shown in Fig. 1;
Fig. 4 is the top view of the rotor assembly shown in Fig. 1;
Fig. 5 is the schematic diagram of rotor assembly according to embodiments of the present invention;
Fig. 6 is the side view of the rotor assembly shown in Fig. 5;
Fig. 7 is the schematic diagram of motor according to embodiments of the present invention;
Fig. 8 is the sectional view of the motor shown in Fig. 7.
Reference:
Motor 300, casing 201, stator 202,
Rotor assembly 200, rotary shaft 101, bearing 102, belt pulley 103,
Rotor assembly 100,
Rotor core 1, spacing preiection 11, positioning convex 12, magnetic shoe 2,
Connect moulding 30, the first moulding 31, the second moulding 32, the 3rd moulding 33, the 4th moulding 34.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's
In description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can
To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The rotor assembly 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 4.
As Figure 1-Figure 4, rotor assembly 100 according to embodiments of the present invention, including rotor core 1, the and of multiple magnetic shoes 2
Moulding.
Formed with multiple mating grooves on rotor core 1, multiple mating grooves are provided at circumferentially spaced along rotor core 1, multiple
Magnetic shoe 2, which corresponds, to be coordinated in multiple mating grooves, and each gap between magnetic shoe 2 and corresponding mating groove coordinates, Mei Gepei
Close at least one one of which being provided with spacing preiection 11 and limited impression in the opposing sidewalls of groove, the side of each magnetic shoe 2
Wall is provided with the another kind in spacing preiection 11 and limited impression, and spacing preiection 11 and limited impression coordinate, the radial direction both ends of magnetic shoe 2
Respectively the first accommodating chamber and the second accommodating chamber are limited with the radial direction both ends of corresponding mating groove.Moulding includes the first moulding
31 and second moulding 32, the first moulding 31 and the second moulding 32 are filled in the first accommodating chamber and the second accommodating chamber respectively
It is interior.
For example, as Figure 1-Figure 4, formed with eight mating grooves on rotor core 1, and eight mating grooves are along rotor core
1 circumferential uniform intervals arrangement, eight magnetic shoes 2, which correspond, to be coordinated in eight mating grooves.The cross section shape of each mating groove
Shape can be generally formed into square, and equally, the shape of cross section of each magnetic shoe 2 is also generally formed into square.Each mating groove
Spacing preiection 11, the week along rotor core 1 of each magnetic shoe 2 are equipped with along in circumferentially opposed two side wall of rotor core 1
The limited impression being adapted with spacing preiection 11 is equipped with to two relative side walls.Pass through spacing preiection 11 and stopper slot
Coordinate so that magnetic shoe 2 in mating groove can not being moved radially with respect to mating groove along rotor core 1, ensure that the limit of magnetic shoe 2
Position and accurate positioning, without setting magnetic shoe thimble-type location structure so that match somebody with somebody respectively with corresponding at the radial direction both ends of magnetic shoe 2
The radial direction both ends for closing groove limit the first accommodating chamber and the second accommodating chamber, avoid magnetic shoe 2 from being bonded with the interior yoke portion of rotor core 1,
So as to reduce leakage field, the electromagnetic performance demand of rotor assembly 100 is ensure that, and because magnetic shoe 2 can not move in mating groove,
The size of first accommodating chamber and the second accommodating chamber is constant.
First moulding 31 is filled in the first accommodating chamber, and the second moulding 32 is filled in the second accommodating chamber, and first
The moulding 32 of moulding 31 and second passes through injection molding, in injection moulding process, the injection pressure of the inner side and outer side of rotor core 1
Power is unequal, i.e. the injection pressure of the first accommodating chamber and the injection pressure of the second accommodating chamber so that magnetic shoe 2 has along rotor
The trend being moved radially outward of iron core 1, and the cooperation of spacing preiection 11 and stopper slot limits position of the magnetic shoe 2 in mating groove
Put, avoid magnetic shoe 2 and be displaced outwardly, caused outside rotor core 1 due to not waiting for the inner side and outer side injection pressure of rotor core 1
The thickness of second moulding 32 of side is smaller, causes rotor assembly so as to avoid because the intensity of the second moulding 32 is relatively low
Cracking causes the second moulding 32 to depart from rotor core 1 during 100 high-speed rotation, between the second moulding 32 and rotor core 1, enters
And the intensity of the second moulding 32 is ensure that, while ensure that the bonding strength between the second moulding 32 and rotor core 1.
Certainly, limited impression can also be located in circumferentially opposed two side wall along rotor core 1 of each mating groove,
And spacing preiection 11 is located in circumferentially opposed two side wall along rotor core 1 of each magnetic shoe 2, by spacing preiection 11 with
The cooperation of stopper slot, it can equally realize positioning of the magnetic shoe 2 in mating groove so that magnetic shoe 2 can not be along rotor in mating groove
Iron core 1 moves radially with respect to mating groove, so as to ensure that the second moulding 32 thickness after moulding, intensity.
It is understood that one of them in the circumferentially opposed side wall along rotor core 1 of each mating groove is provided with
Spacing preiection 11 or limited impression, accordingly set in one of them in the circumferentially opposed side wall along rotor core 1 of each magnetic shoe 2
Limited location groove or spacing preiection 11;Or a part of mating groove in multiple mating grooves along the circumferentially opposed of rotor core 1
One of them in side wall is provided with spacing preiection 11 or limited impression, corresponding magnetic shoe 2 along the circumferentially opposed of rotor core 1
It is correspondingly provided with limited impression or spacing preiection 11 in one of them in side wall, and the edge of remaining mating groove in multiple mating grooves
Circumferentially opposed two side wall of rotor core 1 is provided with spacing preiection 11 or limited impression, corresponding magnetic shoe 2 along rotor iron
Circumferentially opposed two side wall of core 1 is provided with limited impression or spacing preiection 11.
Rotor assembly 100 according to embodiments of the present invention, by the cooperation of spacing preiection 11 and stopper slot, realize magnetic shoe
2 positioning in mating groove so that magnetic shoe 2 in mating groove can not being moved radially with respect to mating groove along rotor core 1, from
And it ensure that the second moulding 32 has enough thickness, intensity after moulding, avoids the high-speed rotation of rotor assembly 100
When, the second moulding 32 depart from rotor core 1, and then ensure that the bonding strength between the second moulding 32 and rotor core 1.
In a particular embodiment of the present invention, at least one in the opposing sidewalls of each mating groove is provided with spacing preiection
11, formed with limited impression in the side wall of magnetic shoe 2.For example, in Fig. 1-Fig. 4 example, each mating groove along rotor core 1
Circumferentially opposed two side wall on be equipped with spacing preiection 11, circumferentially opposed two along rotor core 1 of each magnetic shoe 2
The limited impression being adapted with spacing preiection 11 is equipped with side wall, by the cooperation of spacing preiection 11 and stopper slot, is realized
Positioning of the magnetic shoe 2 in mating groove, simple in construction, easy realization.
It is, of course, also possible to be each mating groove the circumferentially opposed side wall along rotor core 1 in one of them be provided with
Spacing preiection 11, it is correspondingly provided with one of them in the circumferentially opposed side wall along rotor core 1 of each magnetic shoe 2 spacing recessed
Groove, it can equally realize positioning of the magnetic shoe 2 in mating groove.
In some embodiments of the invention, limited impression is axially through magnetic shoe 2 or mating groove, spacing preiection 11
Axial length is less than or equal to the axial length of limited impression.For example, as Figure 1-Figure 4, limited impression is formed in the side of magnetic shoe 2
On wall, the front end face and rear end face that axially penetrate through magnetic shoe 2 of the limited impression along rotor core 1, spacing preiection 11 are located at mating groove
Side wall on, so as to magnetic shoe 2 can be quickly moved to along the longitudinal direction in mating groove in the front end of mating groove or rear end with complete
The cooperation of magnetic shoe 2 and mating groove, now spacing preiection 11 coordinate in limited impression.The axial length of spacing preiection 11 is equal to limit
The axial length of position groove so that the contact area between spacing preiection 11 and limited impression is larger, improves spacing preiection 11
With the bearing capacity of limited impression.
Certainly, the axial length of spacing preiection 11 is also less than the axial length of limited impression, can equally realize magnetic
Watt 2 positioning in mating groove.It is understood that when limited impression is formed in the side wall of rotor core 1, spacing preiection 11
When being located in the side wall of magnetic shoe 2, the front end face and rear end face that axially penetrate through rotor core 1 of the limited impression along rotor core 1, together
Sample is easy in the quick assembling of magnetic shoe 2 to mating groove, and realizes the positioning of magnetic shoe 2.
Alternatively, the cross section of spacing preiection 11 is formed as triangle, and now the cross section of limited impression can also be formed
For triangle, by the spacing preiection 11 of triangle with the cooperation of the limited impression of triangle to realize magnetic shoe 2 in mating groove
Positioning, it is simple in construction, be easy to implement and registration.
Certainly, the cross section of spacing preiection 11 may be formed as other shapes, such as quadrangle, pentagon etc. are polygon
Shape or hemispherical, other irregular shapes etc..It is understood that the shape of cross section and limited impression of spacing preiection 11
Shape of cross section be able to can also be differed with identical, after need to only ensureing that spacing preiection 11 and limited impression coordinate, magnetic shoe 2 with
Closing can not move in groove.
Further, the second accommodating chamber is located at the outside of the first accommodating chamber, in the opposing sidewalls of the second accommodating chamber at least
Male-female engagement is formed between one and the side wall of the second moulding 32 in the second accommodating chamber.For example, as Figure 1-Figure 4, the
Equal shape between circumferentially opposed two side wall and 32 corresponding two side walls of the second moulding along rotor core 1 of two accommodating chambers
Into male-female engagement, that is to say, that circumferentially opposed two side wall of second moulding 32 along rotor core 1 and rotor core 1 it
Between be respectively formed male-female engagement, so as to further enhancing the bonding strength between the second moulding 32 and rotor core 1, avoid
Two mouldings 32 depart from rotor core 1.
In the alternative embodiment of the present invention, positioning convex 12, the second note are equipped with the opposing sidewalls of the second accommodating chamber
Formed with the detent being adapted with positioning convex 12 in the opposing sidewalls of plastic 32.For example, in Fig. 1-Fig. 4 example,
Positioning convex 12 is equipped with circumferentially opposed two side wall along rotor core 1 of second accommodating chamber, the second moulding 32
Detent has been correspondingly formed along in circumferentially opposed two side wall of rotor core 1, has passed through positioning convex 12 and detent
Cooperation so that the second moulding 32 is respectively formed recessed between circumferentially opposed two side wall and rotor core 1 along rotor core 1
Convex cooperation, it ensure that the bonding strength between the second moulding 32 and rotor core 1.Wherein, the cross section shape of positioning convex 12
Shape can be formed as polygon etc., but not limited to this.
It is understood that detent is located at circumferentially opposed two side wall along rotor core 1 of the second accommodating chamber
On, and positioning convex 12 is accordingly located in circumferentially opposed two side wall along rotor core 1 of the second moulding 32, it is same to protect
The bonding strength between the second moulding 32 and rotor core 1 is demonstrate,proved.Certainly, the circumference along rotor core 1 of the second accommodating chamber
One of them in opposing sidewalls is provided with positioning convex 12 or detent, the week along rotor core 1 of the second moulding 32
Detent or positioning convex 12 are correspondingly provided with one of them into opposing sidewalls, it is also ensured that the second moulding 32 with
Bonding strength between rotor core 1.But not limited to this.
In some embodiments of the invention, as Figure 1-Figure 4, each mating groove is through the axial direction two of rotor core 1
End, moulding also includes the 3rd moulding 33 and the 4th moulding 34 for being located at 2 axial both ends of magnetic shoe respectively, wherein the 3rd injection
Part 33 is located at the front end of magnetic shoe 2, and the 4th moulding 34 is located at the rear end of magnetic shoe 2, so as to the 3rd moulding 33 and the 4th moulding
34 can limit the axial movement of magnetic shoe 2, further to be positioned to magnetic shoe 2.Formed with least one on rotor core 1
Through hole, through hole are interior filled with connection moulding 30.For example, in Fig. 1-Fig. 4 example, it is logical formed with eight on rotor core 1
Hole, this eight through holes and eight magnetic shoes 2 are staggeredly arranged at intervals, the both ends of the first moulding 31 respectively with the 3rd moulding 33 and the
Four mouldings 34 are connected, and the both ends of the second moulding 32 are connected with the 3rd moulding 33 and the 4th moulding 34 respectively, in through hole
Filled with connection moulding 30, the both ends of connection moulding 30 are connected with the 3rd moulding 33 and the 4th moulding 34 respectively, from
And the intensity of moulding is ensure that, avoid departing between each several part of moulding.
The rotor assembly 200 of embodiment according to a second aspect of the present invention, including implemented according to the above-mentioned first aspect of the present invention
The rotor assembly 100 of example.
For example, as shown in Figure 5 and Figure 6, rotor assembly 200 can also include rotary shaft 101, bearing 102, rotary shaft 101
Be located in rotor assembly 100 and bearing 102, bearing 102 is two to support rotor assembly 100 so that rotor assembly 100 with
The synchronous axial system of rotary shaft 101, and two bearings 102 can be located at the axial both sides of rotor assembly 100, two bearings 102 respectively
The axial side of rotor assembly 100 can also be respectively positioned on.One end of rotary shaft 101 can be provided with driven member such as belt pulley
103, rotary shaft 101 can be integrally formed with belt pulley 103, or rotary shaft 101 is individually molded with belt pulley 103, then
Rotary shaft 101 and belt pulley 103 are subjected to assembling so that rotary shaft 101 can be rotated with driving belt pulley 103.
Rotor assembly 200 according to embodiments of the present invention, by using above-mentioned rotor assembly 100, it is total to improve rotor
Into 200 operational reliability.
The motor 300 of embodiment according to a third aspect of the present invention, including according to the above-mentioned second aspect embodiment of the present invention
Rotor assembly 200.
For example, as shown in Figure 7 and Figure 8, motor 300 can also include casing 201 and stator 202, stator 202 is fixed and is located at
In casing 201, rotor assembly 200 is located on casing 201, and wherein rotor assembly 100 can be embedded inside stator 202, bearing
102 are located on casing 201 to support rotor assembly 100, and casing 201 and driven member such as skin are stretched out in one end of rotary shaft 101
Belt wheel 103 is connected to drive driven member to run.
Motor 300 according to embodiments of the present invention, by using above-mentioned rotor assembly 200 so that the operation of motor 300
Reliability is higher.
Other of motor 300 according to embodiments of the present invention are formed and operated for those of ordinary skills
All it is known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
- A kind of 1. rotor assembly, it is characterised in that including:Rotor core, formed with multiple mating grooves, week of the multiple mating groove along the rotor core on the rotor core To interval setting;Multiple magnetic shoes, the multiple magnetic shoe, which corresponds, to be coordinated in the multiple mating groove, and each magnetic shoe with it is corresponding The mating groove between gap coordinate, at least one in the opposing sidewalls of each mating groove is provided with spacing preiection and limit One kind in the groove of position, the side wall of each magnetic shoe are provided with the another kind in the spacing preiection and the limited impression, institute State spacing preiection and the limited impression to coordinate, the radial direction both ends of the magnetic shoe radial direction two with the corresponding mating groove respectively End limits the first accommodating chamber and the second accommodating chamber;Moulding, the moulding include the first moulding and the second moulding, first moulding and second injection Part is filled in first accommodating chamber and second accommodating chamber respectively.
- 2. rotor assembly according to claim 1, it is characterised in that in the opposing sidewalls of each mating groove at least One is provided with the spacing preiection, formed with the limited impression in the side wall of the magnetic shoe.
- 3. rotor assembly according to claim 2, it is characterised in that be equipped with the opposing sidewalls of each mating groove The spacing preiection.
- 4. rotor assembly according to claim 1, it is characterised in that the limited impression axially through the magnetic shoe or Mating groove described in person, the axial length of the spacing preiection are less than or equal to the axial length of the limited impression.
- 5. rotor assembly according to claim 1, it is characterised in that the cross section of the spacing preiection is formed as triangle Shape.
- 6. rotor assembly according to claim 1, it is characterised in that second accommodating chamber is located at first accommodating chamber Outside, second moulding at least one and second accommodating chamber in the opposing sidewalls of second accommodating chamber Side wall between form male-female engagement.
- 7. rotor assembly according to claim 6, it is characterised in that be equipped with the opposing sidewalls of second accommodating chamber Positioning convex, formed with the detent being adapted with the positioning convex in the opposing sidewalls of second moulding.
- 8. rotor assembly according to claim 1, it is characterised in that each mating groove is through the rotor core Axial both ends, the moulding also include the 3rd moulding and the 4th moulding for being located at magnetic shoe axial direction both ends respectively, institute State formed with least one through hole on rotor core, the through hole is interior filled with connection moulding, described to connect the two of moulding End is connected with the 3rd moulding and the 4th moulding respectively.
- 9. a kind of rotor assembly, it is characterised in that including the rotor assembly according to any one of claim 1-8.
- 10. a kind of motor, it is characterised in that including rotor assembly according to claim 9.
Priority Applications (1)
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CN201710771343.1A CN107465287A (en) | 2017-08-31 | 2017-08-31 | Rotor assembly, rotor assembly and motor |
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CN201710771343.1A CN107465287A (en) | 2017-08-31 | 2017-08-31 | Rotor assembly, rotor assembly and motor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108390483A (en) * | 2018-03-16 | 2018-08-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor structure, permanent magnetism assist in synchronization reluctance motor and electric vehicle |
DE102021126649A1 (en) | 2021-10-14 | 2023-04-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rotor arrangement and electric machine |
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JP2000078783A (en) * | 1998-09-01 | 2000-03-14 | Toyota Motor Corp | Electric motor |
CN1276643A (en) * | 1999-06-07 | 2000-12-13 | Lg电子株式会社 | Brushless DC motor in washer |
US6429566B1 (en) * | 1999-11-10 | 2002-08-06 | Isuzu Motors Limited | Rotor of rotating machine |
CN207117337U (en) * | 2017-08-31 | 2018-03-16 | 佛山市威灵洗涤电机制造有限公司 | Rotor assembly, rotor assembly and motor |
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2017
- 2017-08-31 CN CN201710771343.1A patent/CN107465287A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000078783A (en) * | 1998-09-01 | 2000-03-14 | Toyota Motor Corp | Electric motor |
CN1276643A (en) * | 1999-06-07 | 2000-12-13 | Lg电子株式会社 | Brushless DC motor in washer |
US6429566B1 (en) * | 1999-11-10 | 2002-08-06 | Isuzu Motors Limited | Rotor of rotating machine |
CN207117337U (en) * | 2017-08-31 | 2018-03-16 | 佛山市威灵洗涤电机制造有限公司 | Rotor assembly, rotor assembly and motor |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108390483A (en) * | 2018-03-16 | 2018-08-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor structure, permanent magnetism assist in synchronization reluctance motor and electric vehicle |
CN108390483B (en) * | 2018-03-16 | 2020-12-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric automobile |
DE102021126649A1 (en) | 2021-10-14 | 2023-04-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rotor arrangement and electric machine |
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