CN207853589U - A kind of motor rotor construction, driving motor and electric vehicle - Google Patents
A kind of motor rotor construction, driving motor and electric vehicle Download PDFInfo
- Publication number
- CN207853589U CN207853589U CN201820269024.0U CN201820269024U CN207853589U CN 207853589 U CN207853589 U CN 207853589U CN 201820269024 U CN201820269024 U CN 201820269024U CN 207853589 U CN207853589 U CN 207853589U
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- Prior art keywords
- rotor
- journal stirrup
- motor
- magnet steel
- shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
A kind of motor rotor construction of the utility model offer, driving motor and electric vehicle, are related to electric machine structure technical field, the motor rotor construction includes：Shaft, rotor supports ontology, multiple journal stirrups, multiple rotor cores and multiple magnet steel；Wherein, the rotor supports ontology is loop configuration, and is set in the shaft, and multiple journal stirrups are uniformly arranged on the Zhou Yuan of the rotor supports ontology；There are one the rotor cores, the magnet steel to be arranged between the adjacent rotor core for setting on each journal stirrup.The embodiment of the utility model, the rotor core is fixedly connected with the shaft by the integrally formed rotor supports ontology and the journal stirrup, reduce the complexity and manufacturing cost of rotor assembly technology, improve the power density of driving motor, the mechanical strength of rotor is improved, while playing the effect every magnetic.
Description
Technical field
The utility model belongs to electric machine structure technical field, more particularly, to a kind of motor rotor construction, driving motor and
Electric vehicle.
Background technology
As the proportion that pure electric automobile is accounted in automobile industry is increasing, requirement of the user to pure electric automobile is also more next
It is higher, so, pure electric automobile has the trend that develop to lightweight at present, this requires the density of driving motor power height,
Reliability is high.Although the permanent magnet synchronous motor reluctance torque of the tangential rotor magnetic structure of driving motor is high in the prior art,
And power density is high, still, tangential structure it is larger every magnetic system number, need using accordingly every magnetic measure, this is resulted in
Driving motor has the problem that complex process, manufacturing cost are high and rotor mechanical strength is low.
Utility model content
The utility model embodiment is designed to provide a kind of motor rotor construction, driving motor and electric vehicle, from
And solve the problems, such as that driving motor manufacturing process in the prior art is complicated, manufacturing cost is high and rotor mechanical strength is low.
To achieve the goals above, the utility model embodiment provides a kind of motor rotor construction, including：Shaft turns
Son support ontology, multiple journal stirrups, multiple rotor cores and multiple magnet steel；
Wherein, the rotor supports ontology is loop configuration, and is set in the shaft, and multiple journal stirrups are uniformly set
It sets on the Zhou Yuan of the rotor supports ontology；There are one the rotor cores, the magnet steel to set for setting on each journal stirrup
It sets between the adjacent rotor core.
Wherein, the shaft is interference fitted with the rotor supports ontology.
Wherein, on the rotor supports ontology, the journal stirrup is provided with slot, the rotor core is set in institute
It states on journal stirrup, and is at least partly inserted in the inside of the slot.
Wherein, the journal stirrup is formed as taper, and outer surface is formed as concave-convex curved surface, be provided on the rotor core with
The journal stirrup mounting hole of the external surface shape cooperation of the journal stirrup, the journal stirrup are plugged in the journal stirrup mounting hole.
Wherein, groove is formed between the adjacent rotor core and the rotor supports ontology, the magnet steel setting exists
In the groove.
Wherein, the magnet steel is fixed on by bonding agent in the groove.
Wherein, end face of the rotor core far from the shaft is provided with the blocking foot for stopping the magnet steel.
Wherein, the rotor supports ontology is integrally formed with the journal stirrup.
The utility model embodiment also provides a kind of driving motor, including motor rotor construction as described above.
The utility model embodiment also provides a kind of electric vehicle, including driving motor as described above.
The above-mentioned technical proposal of the utility model at least has the advantages that：
The utility model embodiment between shaft and rotor core by being arranged rotor supports ontology and journal stirrup, to real
The support to rotor core is showed, while having also acted the effect every magnetic, has reduced every magnetic system number, and it is close to improve power of motor
Degree, by the way that rotor core is designed as equally distributed multiple iron cores so that the rotor core and the ingenious cooperation of the journal stirrup,
The mechanical strength of rotor is improved, and reduces the technology difficulty and manufacturing cost of rotor；By in the rotor
One end setting blocking foot of the iron core far from the shaft, avoids falling off for the magnet steel, improves the installation jail of the magnet steel
Soundness；By by the rotor supports ontology and journal stirrup integrated molding, simplifying motor rotor construction, improves motor and turn
The installation effectiveness of son.
Description of the drawings
Fig. 1 is the schematic diagram of the motor rotor construction of the utility model embodiment.
Reference sign：
1- shafts, 21- rotor supports ontologies, 22- journal stirrups, 3- rotor cores, 31- stop foot, 4- magnet steel.
Specific implementation mode
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model embodiment it is high for, power density high using reluctance torque by driving motor in the prior art and
Every the big tangential rotor magnetic circuit of magnetic system number, meet the light-weighted demand of pure electric vehicle passenger car, cause must use accordingly every
Magnetic measure so that the problem that driving motor manufacturing process is complicated, manufacturing cost is high and rotor mechanical strength is low provides a kind of electricity
Motor rotor structure, driving motor and electric vehicle improve driving motor power density to improve rotor mechanical strength,
Reduce technology difficulty and manufacturing cost.
As shown in Figure 1, an embodiment of the utility model provides a kind of motor rotor construction, including：Shaft 1, rotor
Support ontology 21, multiple journal stirrups 22, multiple rotor cores 3 and multiple magnet steel 4.
Wherein, the rotor supports ontology 21 is loop configuration, and is set in the shaft 1, multiple journal stirrups 22
It is uniformly arranged on the Zhou Yuan of the rotor supports ontology 21；The rotor core 3 there are one settings on each journal stirrup 22,
The magnet steel 4 is arranged between the adjacent rotor core 3.
Here, it should be noted that the rotor supports ontology 21 is along its axial length with the shaft 1 along its axial direction
Length it is identical so that the side surface of the shaft 1 can be completely covered in the rotor supports ontology 21, so that described turn
Son support ontology 21 can play the role of every magnetic.
Preferably, in order to avoid in use, the rotor supports ontology 21 falls off from the shaft 1, described
Rotor supports ontology 21 and the shaft 1 using it is simple in structure, to neutral good, large carrying capacity, to absorb impact performance good and right
Axis weakens few interference fit and is assembled, and increases the firmness of assembly, improves the reliability of driving motor.
Wherein, in order to reduce the production cost of rotor and the complexity of manufacturing process, the utility model embodiment
The rotor supports ontology 21 in motor rotor construction is integrally formed with the journal stirrup 22.
Specifically, the journal stirrup 22 is uniformly arranged along the Zhou Yuan of the rotor supports ontology 21, and it is arranged in the rotor
On the side surface for supporting ontology 21, to realize the supporting role to the rotor core 3, meanwhile, the rotor supports ontology
21 and the journal stirrup 22 also act the effect every magnetic.
Preferably, on the rotor supports ontology 21, the journal stirrup 22 is provided with slot, the rotor core 3
It is set on the journal stirrup 22, and is at least partly inserted in the inside of the slot, to improve the dress of the rotor core 3
With firmness, the mechanical strength and reliability of rotor are improved.
Wherein, the journal stirrup 22 is formed as taper, and the outer surface of the journal stirrup 22 is formed as concave-convex curved surface, the rotor
The journal stirrup mounting hole coordinated with the external surface shape of the journal stirrup is provided on iron core 3, the journal stirrup mounting hole is through described
The blind hole of the opposite both ends of the surface of rotor core 3, the journal stirrup 22 are plugged in the journal stirrup mounting hole, specifically, forming institute
The surface for stating journal stirrup mounting hole is provided with multiple bulge-structures, the concave surface of the bulge-structure and the concave-convex curved surface of the journal stirrup 22
Match, when the rotor core 3 and the journal stirrup 22 assemble, the bulge-structure is arranged in the concave surface, further
Improve the assembly firmness of the rotor core 3.
The radial end face of the rotor core 3 is n fonts, the rotor core 3 and the rotor supports ontology 21 and institute
After stating the assembly of journal stirrup 22, formed between the adjacent rotor core 3 and the rotor supports ontology 21 fluted and described recessed
Slot is less than one end far from the rotor supports ontology 21, the shape of the magnet steel 4 close to one end of the rotor supports ontology 21
The shape of shape and the groove matches, and is fixed in the groove by bonding agent.Wherein, in order to further increase
The degree of firmly installing of magnet steel 4 is stated, end face of the rotor core 3 far from the shaft 1 is provided with the blocking for stopping the magnet steel 4
Foot 31.
Specifically, the assembling process of the motor rotor construction can be, step 1, by being interference fitted the rotor
Support ontology 21 is fixedly connected with the shaft 1；One of them described rotor core 3 is plugged in one of institute by step 2
It states on journal stirrup 22；One magnet steel 4 is mounted on the position adjacent with the rotor core 3 by step 3, then again will be another
A rotor core 3 is plugged on the journal stirrup 22 that the magnet steel 4 closes on；According to the side of above-mentioned steps two and step 3
Each rotor core 3 is fixedly connected with each journal stirrup 22, and the magnet steel 4 is fixed on to adjacent institute by formula one by one
It states between rotor core 3；Finally, the bonding agent is potted in the magnet steel 4 with the gap of the groove, realizes the magnetic
The fixation of steel 4.
The motor rotor construction of the utility model embodiment passes through the simple in structure and integrally formed rotor branch
Ontology 21 and the journal stirrup 22 are supportted, the rotor core 3 is fixedly connected with the shaft 1, while realizing supporting role,
The effect every magnetic is also achieved, the power density of driving motor is improved, reduces the complexity of the mounting process of rotor
And production cost improves described turn by the way that on the rotor supports ontology 21, the slot is arranged around the journal stirrup 22
The degree of firmly installing of sub- iron core 3, by the way that the blocking foot 31 is arranged in the one end of the rotor core 3 far from the shaft 1, and
The magnet steel 4 is fixed in the groove that the adjacent rotor core 3 is formed by bonding agent, avoids the magnet steel 4
It falls off, finally improves the mechanical strength of the rotor.
The utility model embodiment also provides a kind of driving motor, including motor rotor construction as described above.
Correspondingly, the motor rotor construction due to the utility model embodiment is applied to driving motor, this practicality is new
Type embodiment additionally provides a kind of driving motor, wherein realizes that embodiment is suitable for the drive described in above-mentioned motor rotor construction
In the embodiment of dynamic motor, it can also reach identical technique effect.
The utility model embodiment also provides a kind of electric vehicle, including driving motor as described above.
Correspondingly, the driving motor due to the utility model embodiment is applied to electric vehicle, the utility model is real
It applies example and additionally provides a kind of electric vehicle, wherein realize that embodiment is suitable for the electric vehicle described in above-mentioned driving motor
In embodiment, it can also reach identical technique effect.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (10)
1. a kind of motor rotor construction, which is characterized in that including：Shaft (1), rotor supports ontology (21), multiple journal stirrups (22),
Multiple rotor cores (3) and multiple magnet steel (4)；
Wherein, the rotor supports ontology (21) is loop configuration, and is set in the shaft (1), multiple journal stirrups
(22) it is uniformly arranged on the Zhou Yuan of the rotor supports ontology (21)；Setting turns there are one described on each journal stirrup (22)
Sub- iron core (3), the magnet steel (4) are arranged between the adjacent rotor core (3).
2. motor rotor construction according to claim 1, which is characterized in that the shaft (1) and the rotor supports sheet
Body (21) is interference fitted.
3. motor rotor construction according to claim 1, which is characterized in that on the rotor supports ontology (21), ring
The journal stirrup (22) is provided with slot, the rotor core (3) is set on the journal stirrup (22), and is at least partly inserted in
The inside of the slot.
4. motor rotor construction according to claim 1, which is characterized in that the journal stirrup (22) is formed as taper, and outer
Surface is formed as concave-convex curved surface, and the journal stirrup coordinated with the external surface shape of the journal stirrup is provided on the rotor core (3) and is pacified
Hole is filled, the journal stirrup (22) is plugged in the journal stirrup mounting hole.
5. motor rotor construction according to claim 1, which is characterized in that the adjacent rotor core (3) with it is described
Groove is formed between rotor supports ontology (21), the magnet steel (4) is arranged in the groove.
6. motor rotor construction according to claim 5, which is characterized in that the magnet steel (4) is fixed on by bonding agent
In the groove.
7. motor rotor construction according to claim 1, which is characterized in that the rotor core (3) is far from the shaft (1)
End face be provided with the blocking foot (31) for stopping the magnet steel (4).
8. motor rotor construction according to claim 1, which is characterized in that the rotor supports ontology (21) and the branch
Ear (22) is integrally formed.
9. a kind of driving motor, which is characterized in that including such as claim 1-8 any one of them motor rotor constructions.
10. a kind of electric vehicle, which is characterized in that including driving motor as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269024.0U CN207853589U (en) | 2018-02-24 | 2018-02-24 | A kind of motor rotor construction, driving motor and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269024.0U CN207853589U (en) | 2018-02-24 | 2018-02-24 | A kind of motor rotor construction, driving motor and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207853589U true CN207853589U (en) | 2018-09-11 |
Family
ID=63409960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820269024.0U Active CN207853589U (en) | 2018-02-24 | 2018-02-24 | A kind of motor rotor construction, driving motor and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207853589U (en) |
-
2018
- 2018-02-24 CN CN201820269024.0U patent/CN207853589U/en active Active
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