CN208062907U - The rotor of motor and motor with it - Google Patents

Abstract

The utility model discloses a kind of rotor of motor and with its motor, the rotor of motor includes：The peripheral surface of first main iron core and the second main iron core, the first main iron core is equipped with multiple first skewed slots, and the peripheral surface of the second main iron core is equipped with multiple second skewed slots；Cage winding, including the first sub-portion, the second sub-portion and connection ring；Secondary iron core, the first circumferentially positioned protrusion is equipped with one in the first main iron core and another is equipped with the first circumferentially positioned slot towards a side surface of the first main iron core, first circumferentially positioned male cooperation is in the first circumferentially positioned slot, secondary iron core is equipped with the second circumferential positioning protrusion with one in the second main iron core towards a side surface of the second main iron core and another is equipped with the second circumferential locating slot, and the second circumferential positioning protrusion cooperation is in the second circumferential locating slot.Have many advantages, such as that work efficiency is high, good reliability according to the rotor of the motor of the utility model embodiment.

Description

The rotor of motor and motor with it

Technical field

The utility model is related to technical field of motor manufacture, rotor in particular to a kind of motor and with described The motor of the rotor of motor.

Background technology

Motor in the related technology, rotor centre are arranged connection ring structure, can improve the rotor torque and electromagnetism of motor Performance, to meet the job requirement of motor, but the processing of connection ring structure is complicated, and the manufacture craft difficulty of rotor is caused to increase Greatly, production efficiency reduces, it is difficult to realize batch production, influence the application of motor.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model carries Go out a kind of rotor of motor, the rotor of the motor has many advantages, such as that work efficiency is high, good reliability.

The utility model also proposes a kind of motor of the rotor with the motor.

To achieve the above object, the embodiment of first aspect according to the present utility model proposes a kind of rotor of motor, institute The rotor for stating motor includes：The peripheral surface of first main iron core and the second main iron core, first main iron core is equipped with multiple first tiltedly The peripheral surface of slot, second main iron core is equipped with multiple second skewed slots；Cage winding, the cage winding include the first sub-portion, Second sub-portion and connection ring, first sub-portion are matched with first main iron core, and second sub-portion is led with described second Iron core matches, and first sub-portion is connected with second sub-portion by the connection ring；Secondary iron core, the pair iron core clamping First main iron core and second main iron core to be spaced apart between first main iron core and second main iron core, The peripheral surface and first main iron core and the opposite both ends of the surface of second main iron core of the pair iron core limit use jointly In the annular groove for forming the connection ring during casting the cage winding, the connection ring coordinates in the annular groove, The pair iron core is equipped with first circumferentially towards one in a side surface of first main iron core and first main iron core Positioning protrusion and another be equipped with the first circumferentially positioned slot, the first circumferentially positioned male cooperation is circumferential fixed described first In the slot of position, the pair iron core is towards one in a side surface of second main iron core and second main iron core equipped with the Two circumferentially positioned protrusions and another be equipped with the second circumferential locating slot, the described second circumferential positioning protrusion coordinates described second In circumferentially positioned slot.

According to the rotor of the motor of the utility model embodiment, have many advantages, such as that work efficiency is high, good reliability.

In addition, can also have following additional technology special according to the rotor of the motor of the utility model above-described embodiment Sign：

One embodiment according to the present utility model, the first circumferentially positioned protrusion are multiple and along the secondary iron cores It is provided at circumferentially spaced, the described second circumferential positioning protrusion is multiple and being provided at circumferentially spaced along the secondary iron core.

One embodiment according to the present utility model, the pair iron core is towards a side surface of first main iron core and institute State one in the first main iron core be equipped with the first radial positioning land and another equipped with the first radial positioning hole, described first Radial positioning land coordinates in the first radial positioning hole, and the pair iron core is towards a side surface of second main iron core and institute State one in the second main iron core be equipped with the second radial positioning land and another equipped with the second radial positioning hole, described second Radial positioning land coordinates in the second radial positioning hole.

One embodiment according to the present utility model, the first radial positioning land clearance fit are radial described first In location hole, the second radial positioning land clearance fit is in second radial positioning hole.

One embodiment according to the present utility model, the first circumferentially positioned protrusion and the described second circumferential positioning protrusion It is opposite in the axial direction of the secondary iron core.

One embodiment according to the present utility model, first skewed slot towards one end of second main iron core with it is described Second skewed slot being axially aligned in the secondary iron core towards one end of first main iron core.

Another embodiment according to the present utility model, the first circumferentially positioned protrusion and the described second circumferential convex It rises and is staggered in the axial direction of the secondary iron core.

Another embodiment according to the present utility model, first skewed slot is towards one end of second main iron core and institute The second skewed slot is stated to be staggered in the axial direction of the secondary iron core towards one end of first main iron core.

The thickness of one embodiment according to the present utility model, the pair iron core is less than or equal to 3 millimeters.

The diameter of one embodiment according to the present utility model, the pair iron core is less than or equal to first skewed slot and described The slot bottom inscribe diameter of a circle of second skewed slot.

One embodiment according to the present utility model, first skewed slot and second skewed slot with the secondary iron core The minimum angles that axis is in are identical and angle of inclination is opposite.

The embodiment of second aspect according to the present utility model proposes that a kind of motor, the motor include new according to this practicality The rotor of motor described in the embodiment of the first aspect of type.

According to the motor of the utility model embodiment, by using the embodiment institute of first aspect according to the present utility model The rotor for the motor stated has many advantages, such as that work efficiency is high, good reliability.

The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description In become apparent, or recognized by the practice of the utility model.

Description of the drawings

The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment Become apparent and is readily appreciated that, wherein：

Fig. 1 is the structural schematic diagram according to the rotor of the motor of the utility model embodiment.

Fig. 2 is the explosive view according to the rotor of the motor of the utility model embodiment.

Fig. 3 is the sectional view according to the secondary iron core of the rotor of the motor of the utility model embodiment.

Fig. 4 is the structural schematic diagram according to the secondary iron core of the rotor of the motor of the utility model embodiment.

Fig. 5 is the structural schematic diagram according to the first main iron core of the rotor of the motor of the utility model embodiment.

Fig. 6 is the structural schematic diagram according to the first main iron core of the rotor of the motor of the utility model embodiment.

Fig. 7 is the structural schematic diagram according to the first main iron core of the rotor of the motor of the utility model embodiment.

Reference numeral：The rotor 1 of motor, the first main iron core 110, the first skewed slot 111, the first circumferentially positioned slot 112, first Radial positioning hole 113, the second main iron core 120, the circumferential locating slot 122 of the second skewed slot 121, second, the second radial positioning hole 123, Cage winding 200, the first sub-portion 210, the first end ring 211, the first brace 212, the second sub-portion 220, the second end ring 221, second Brace 222, connection ring 230, the 300, first circumferentially positioned raised 311, second circumferential positioning protrusion 312, first of secondary iron core are radial Position land 313, the second radial positioning land 314, the first groove 315, the second groove 316, positioning tooth 320, cable-through hole 321.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Below with reference to the accompanying drawings rotor 1 according to the motor of the utility model embodiment is described.

Include the first main iron core 110, second according to the rotor 1 of the motor of the utility model embodiment as shown in Fig. 1-Fig. 7 Main iron core 120, cage winding 200 and secondary iron core 300.

The peripheral surface of first main iron core 110 is equipped with multiple first skewed slots 111, and the peripheral surface of the second main iron core 120 is equipped with more A second skewed slot 121.Cage winding 200 includes the first sub-portion 210, the second sub-portion 220 and connection ring 230, the first sub-portion 210 with First main iron core 110 matches, and the second sub-portion 220 is matched with the second main iron core 120, the first sub-portion 210 and the second sub-portion 220 It is connected by connection ring 230.Secondary iron core 300 is clamped between the first main iron core 110 and the second main iron core 120 with by the first main iron Core 110 and the second main iron core 120 are spaced apart, the peripheral surface of secondary iron core 300 and the first main iron core 110 and the second main iron core 120 Opposite both ends of the surface limit the annular groove for forming connection ring 230 during casting cage winding 200, connection ring jointly 230 cooperations are in the annular groove, and secondary iron core 300 is towards one in a side surface of the first main iron core 110 and the first main iron core 110 It is a be equipped with first circumferentially positioned raised 311 and another equipped with the first circumferentially positioned slot 112, the first circumferentially positioned protrusion 311 cooperations are in the first circumferentially positioned slot 112, and secondary iron core 300 is towards a side surface of the second main iron core 120 and the second main iron core One in 120 is equipped with the second circumferential positioning protrusion 312 and another is equipped with the second circumferential locating slot 122, and second circumferentially The cooperation of positioning protrusion 312 is in the second circumferential locating slot 122.It is to be understood that can be to first in casting process Skewed slot 111 and the second skewed slot 121 are filled, to form the first sub-portion 210 and the second sub-portion 220, the first sub-portion after molding 210 match with the first main iron core 110, and the second sub-portion 220 after molding is matched with the second main iron core 120.

Make secondary iron core by the way that at least one secondary iron core 300 is arranged according to the rotor 1 of the motor of the utility model embodiment 300 peripheral surface and the opposite both ends of the surface of the first main iron core 110 and the second main iron core 120 limit the annular groove, institute jointly Annular groove is stated for forming connection ring 230 during casting cage winding 200.In this way in the process of casting cage winding 200 In can be done directly the casting forming of connection ring 230, convenient for being manufactured for connection ring 230, convenient for simplifying connection ring 230 Production technology, convenient for improving the production efficiency of rotor 1, reduce rotor 1 convenient for simplifying production and the manufacturing process of rotor 1 Production cost, consequently facilitating the production efficiency of the motor is improved, convenient for reducing the production cost of the motor.

Also, pass through the opposite both ends of the peripheral surface of secondary iron core 300 and the first main iron core 110 and the second main iron core 120 Face forms the groove structure, can make the connection ring 230 that complete closed loop can be formed in casting process.Due to connection ring 230 It is complete closed loop configuration, by the way that connection ring 230 is arranged, can makes to avoid because the first skewed slot 111 and the second skewed slot 121 are arranged The torque and electromagnetic performance of rotor 1 reduce, and convenient for ensureing the Energetic characteristic of the motor, can not only increase the torque of rotor 1, Rotor 1 is set swimmingly to work, and convenient for improving the electromagnetic performance of rotor 1, in order to improve the functional reliability of rotor 1 and steady It is qualitative, to improve the integral working of the motor.

In addition, by the way that the first circumferentially positioned raised 311 and first circumferentially positioned slot 112, the first circumferentially positioned protrusion is arranged 311 cooperations are in the first circumferentially positioned slot 112, and the circumferential 312 and second circumferential locating slot 122 of positioning protrusion of setting second, The second circumferential cooperation of positioning protrusion 312 can utilize first circumferentially positioned raised 311 in this way in the second circumferential locating slot 122 The circumferential direction of first main iron core 110 and secondary iron core 300 is positioned with the first circumferentially positioned slot 112, it is circumferentially positioned using second Protrusion 312 and the second circumferential locating slot 122 position the circumferential direction of the second main iron core 120 and secondary iron core 300, are not only convenient for the One main iron core 110, the second main iron core 120 and secondary iron core 300 are swimmingly assembled, and the efficiency of assembling of rotor 1, Er Qieke are improved To prevent the first main iron core 110, the second main iron core 120 and secondary iron core 300 from relatively moving in the circumferential, convenient for improving first The circumferentially positioned accuracy and reliability of main iron core 110, the second main iron core 120 and secondary iron core 300, the structure for improving rotor 1 are steady It is qualitative.

In addition, circumferentially positioned by the way that the first circumferentially positioned raised 311 and first circumferentially positioned slot 112 and second is arranged Protrusion 312 and the second circumferential locating slot 122, can when liquid metals casts rotor 1, in the circumferential to the first main iron core 110, Second main iron core 120 and secondary iron core 300 are positioned, the locating effect of rotor 1 when convenient for improving casting, are further convenient for improving The cast molding of cage winding 200 improves the overall precision of rotor 1, improves the structure accuracy and reliability of rotor 1, to Improve the working performance of rotor 1.

Therefore, have many advantages, such as that work efficiency is high, good reliability according to the rotor 1 of the motor of the utility model embodiment.

Below with reference to the accompanying drawings rotor 1 according to the motor of the utility model specific embodiment is described.

In some specific embodiments of the utility model, as shown in Fig. 1-Fig. 7, according to the electricity of the utility model embodiment The rotor 1 of machine includes the first main iron core 110, the second main iron core 120, cage winding 200 and secondary iron core 300.

Specifically, as shown in Figure 3 and Figure 4, secondary iron core 300 is equipped with first towards a side surface of the first main iron core 110 Circumferentially positioned raised 311, the first main iron core 110 is equipped with the first circumferentially positioned slot 112, the first circumferentially positioned raised 311 cooperation In the first circumferentially positioned slot 112, secondary iron core 300 is circumferentially positioned equipped with second towards a side surface of the second main iron core 120 Protrusion 312, the second main iron core 120 are equipped with the second circumferential locating slot 122, and the second circumferential cooperation of positioning protrusion 312 is in second week Into locating slot 122.

Optionally, first circumferentially positioned raised 311 is multiple and being provided at circumferentially spaced along secondary iron core 300, and second is circumferential Positioning protrusion 312 is multiple and being provided at circumferentially spaced along secondary iron core 300.The multiple first circumferentially positioned protrusions can be utilized in this way 311 and second circumferential positioning protrusion 312 secondary iron core 300 is carried out it is circumferentially positioned, not only can be to avoid secondary iron core 300 in assembly Run-off the straight misplaces, and convenient for improving the locating effect of positioning protrusion, keeps the position of secondary iron core 300 more accurate and reliable, Er Qieke So that secondary iron core 300 is more uniformly stressed, stability when rotor 1 works is improved.

Specifically, as shown in Figure 3 and Figure 4, secondary iron core 300 is towards a side surface of the first main iron core 110 and the first main iron One in core 110 is equipped with the first radial positioning land 313 and another is equipped with the first radial positioning hole 113, and first radially The cooperation of land 313 is positioned in the first radial positioning hole 113, secondary iron core 300 is towards a side surface of the second main iron core 120 and the One in two main iron cores 120 be equipped with the second radial positioning land 314 and another equipped with the second radial positioning hole 123, the Two radial positioning land 314 coordinate in the second radial positioning hole 123.In this way by the way that the first radial positioning land 313, the is arranged Two radial positioning land 314, the first radial positioning hole 113 and the second radial positioning hole 123, can be radially to the first main iron Core 110, the second main iron core 120 and secondary iron core 300 are positioned, and ensure the first main iron core 110, the second main iron core 120 and secondary iron Diametrically opposed position is accurate and reliable between core 300, improves the radial position accuracies of rotor 1, further increases rotor 1 Structural stability.

More specifically, secondary iron core 300 is equipped with the first radial positioning land towards a side surface of the first main iron core 110 313, the first main iron core 110 is equipped with the first radial positioning hole 113, and the cooperation of the first radial positioning land 313 is radial fixed first Position hole 113 in, secondary iron core 300 towards a side surface of the second main iron core 120 be equipped with the second radial positioning land 314, second Main iron core 120 is equipped with the second radial positioning hole 123, and the second radial positioning land 314 coordinates in the second radial positioning hole 123 It is interior.

Further, for 313 clearance fit of the first radial positioning land in the first radial positioning hole 113, second is radial fixed Position 314 clearance fit of land is in the second radial positioning hole 123.It can make the first radial positioning land 313 and the second diameter in this way Swimmingly coordinate respectively in the first radial positioning hole 113 and the second radial positioning hole 123 to positioning land 314, makes the first master Iron core 110, the second main iron core 120 and secondary iron core 300 can be assembled swimmingly, further be convenient for improving the assembly of rotor 1 Efficiency.

Meanwhile first between radial positioning land 313 and the first radial positioning hole 113 and the second radial positioning land 314 and second between radial positioning hole 123, has certain axial friction, can make the first main iron core 110, second in this way The structure that main iron core 120 and secondary iron core 300 are integrally formed after mounting, convenient for carrying out carrying to it and subsequent casting processing.

One embodiment according to the present utility model, as shown in figure 3, first circumferentially positioned raised 311 and second is circumferential fixed Position protrusion 312 is opposite in the axial direction of secondary iron core 300.It is convenient for the first skewed slot 111 and the second skewed slot 121 in secondary iron core 300 in this way Axial direction on it is opposite, convenient for simplify the first main iron core 110 and the second main iron core 120 assembly technology, further be convenient for improve turn The efficiency of assembling of son 1.

Specifically, as shown in Figure 1, the first skewed slot 111 is towards one end of the second main iron core 120 and 121 direction of the second skewed slot One end being axially aligned in secondary iron core 300 of first main iron core 110.First is filled when not only can reduce cast molding The resistance of skewed slot 111 and the second skewed slot 121 allows the swimmingly cast molding of cage winding 200, and can be in casting cage When winding 200, keep the structure that the first skewed slot 111 and the second skewed slot 121 are filled more continuous neat, convenient for improving cage winding 200 structural strength keeps the structure of rotor 1 more solid and reliable to improve the structural strength of rotor 1.

Also, by the way that the first skewed slot 111 is led towards one end of the second main iron core 120 and the second skewed slot 121 towards first One end of iron core 110 is axially aligned secondary iron core 300, the Distribution of Magnetic Field on rotor 1 can be made more uniform in this way, due to Rotor 1 interacts with the motor stator, rotor 1 can be made to be rotated relative to the stator of the motor, so as to carry The stability and uniformity that high rotor 1 rotates, the mechanical energy of rotation are converted electrical energy into convenient for the motor stabilizing, convenient for carrying The performance of the high motor.

Another embodiment according to the present utility model, the first circumferentially positioned raised 311 and second circumferential positioning protrusion 312 It is staggered in the axial direction of secondary iron core 300.Be easy to implement in this way the first skewed slot 111 and the second skewed slot 121 secondary iron core 300 axial direction On be staggered, convenient for the molding assembly of the first main iron core 110, the second main iron core 120 and secondary iron core 300, convenient for shortening the dress of rotor 1 With the time, the assembly cost of rotor 1 is reduced.Specifically, the first skewed slot 111 is oblique with second towards one end of the second main iron core 120 Slot 121 is staggered towards one end of the first main iron core 110 in the axial direction of secondary iron core 300.For example, the first skewed slot 111 is distributed on On one main iron core 110, the second skewed slot 121 is distributed on the second main iron core 120, between adjacent two the first skewed slots 111 away from It is equal from the distance between two adjacent the second skewed slots 121, the first skewed slot 111 towards one end of the second main iron core 120 with The distance that one end of second skewed slot 121 towards the first main iron core 110 is staggered in the axial direction of secondary iron core 300 is less than adjacent two The half of distance between first skewed slot 111.The required precision of rotor 1 can be reduced in this way, be convenient for the first main iron core 110 and second The processing and manufacturing and assembly of main iron core 120 are not only convenient for improving the processing efficiency of rotor 1, reduce the production cost of rotor 1, and And convenient for improving the efficiency of assembling of rotor 1, reduce the assembly cost of rotor 1.Simultaneously as the motor there are manufacture deviation or Electromagnetic design defect, 121 stagger setting of the first skewed slot 111 and the second skewed slot, can reduce manufacture deviation or electromagnetic design defect Influence to rotor 1 is further convenient for ensureing the functional reliability of rotor 1, is further convenient for improving the working efficiency of rotor 1, Further it is convenient for reducing the noise that the motor generates.

That is, when needing that the first skewed slot 111 and the second skewed slot 121 is made to be aligned, by first circumferentially positioned raised 311 It is set as opposite up and down with the second circumferential positioning protrusion 312, it will when needing that the first skewed slot 111 and the second skewed slot 121 is made to be staggered When protrusion is staggered, the first circumferentially positioned raised 311 and second circumferential positioning protrusion 312 is set as being staggered up and down.

For example, the first main iron core 110, the second main iron core 120 and secondary iron core 300 can be the punching press of silicon strip punching shaping The thickness of part, the first main iron core 110 and the second main iron core 120 can be identical.In process, punching press can have the first First main iron core 110 of one skewed slot 111, then punching press pair iron core 300, last punching press have the second main iron of the second skewed slot 121 Core 120.Such first main iron core 110, the second main iron core 120 and secondary iron core 300 can by a punching course machine-shaping, Convenient for the production and processing of rotor 1, convenient for improving the production efficiency of rotor 1.

Certainly, the material of secondary iron core 300 can also be different from the material of the first main iron core 110, the second main iron core 120, secondary Iron core 300 can by die casting, the modes such as cut and be processed and formed at one time.

The peripheral surface of another embodiment according to the present utility model, each pair iron core 300 is equipped at least one positioning tooth 320.The installation position of secondary iron core 300 can be positioned using positioning tooth 320 in this way, convenient for improving determining for secondary iron core 300 Position accuracy and reliability.Meanwhile secondary iron core 300 and the first main iron core 110 and the can also be increased by the way that positioning tooth 320 is arranged The contact area of two main iron cores 120 improves the binding force between secondary iron core 300 and main iron core, keeps the structure of rotor 1 more secured Reliably.

Optionally, the cable-through hole that at least one peripheral surface with positioning tooth 320 is connected to is equipped on each positioning tooth 320 321, the part cooperation of cage winding 200 is in cable-through hole 321.Cable-through hole 321 can play the role of positioning in this way, be convenient for The formed precision for improving cage winding 200, convenient for improving the structure accuracy of rotor 1.

For example, cage winding 200 can be aluminum casting, the first main iron core 110 is equipped with the first skewed slot 111, the second main iron core 120 are equipped with the second skewed slot 121, and cable-through hole 321 is aligned in the axial direction with the first skewed slot 111 and the second skewed slot 121, cage winding Integrated filling is carried out to cable-through hole 321, the first skewed slot 111 and the second skewed slot 121 when 200 cast molding.Line can crossed in this way Casting forms rotor coil in hole 321, is convenient for the formation of cage winding 200, since cage winding 200 can cut the motor The magnetic line of force of stator field and induce electromotive force and electric current, so that the conductor of electrification is just will produce movement in magnetic field, in this way may be used So that rotor 1 is rotated relative to the stator of the motor, to convert electrical energy into the rotation mechanical energy of the motor.

Specifically, in the plane of end face for being parallel to secondary iron core 300, per two adjacent positioning tooths 320 projection it Between distance it is equal.For example, symmetrical structure centered on secondary iron core 300.It is convenient for improving the thickness evenness of connection ring 230 in this way, Convenient for making being more uniformly stressed for connection ring 230, the structural reliability and stability of connection ring 230 are further increased.

Optionally, the outer diameter of the first main iron core 110 and the second main iron core 120 can be equal, the positioning tooth of secondary iron core 300 320 maximum outside diameter can be equal with the outer diameter of the first main iron core 110 and the second main iron core 120.It is convenient in this way in casting process In positioned, be convenient for rotor 1 cast molding, convenient for ensure rotor 1 structure accuracy and reliability.

In some specific embodiments of the utility model, the shape of each positioning tooth 320 can be identical.Certainly, each Positioning tooth 320 on secondary iron core 300 can also be different.To ensure that the when of casting forms complete connection ring 230, positioning tooth 320 Periphery can diametrically be less than the diameter of the first main iron core 110 and the second main iron core 120.It in this way can be by increasing positioning tooth 320 toothing reduces cost to improve contact area, or by reducing the toothing of positioning tooth 320.Meanwhile positioning tooth 320 quantity is fewer, and the toothing of positioning tooth 320 is bigger, 320 and first main iron core of single tooth positioning tooth, 110 or the second main iron The contact area of core 120 is bigger, and the binding force between secondary iron core 300 and main iron core is more secured, it is possible thereby to reduce positioning tooth 320 The risk of fins.

Specifically, quantity when positioning tooth 320 is uniformly distributed on secondary iron core 300 is less than the first main iron core 110 and the second main iron core The quantity of skewed slot on 120.

Optionally, the thickness of secondary iron core 300 is less than or equal to 3 millimeters.It will be appreciated herein that thickness only refers to secondary iron core 300 thickness of itself do not include the other structures being additionally arranged thereon, such as do not include first circumferentially positioned raised 311, second Circumferentially positioned raised 312, the thickness of the first radial positioning land 313 and the second radial positioning land 314.It can make secondary iron in this way Core 300 has rational size, to make connection ring 230 have rational thickness.

Specifically, the diameter of secondary iron core 300 is less than or equal to the slot bottom inscribed circle of the first skewed slot 111 and the second skewed slot 121 Diameter.It will be appreciated herein that " diameter of secondary iron core 300 " refers to the diameter for not including positioning tooth 320.That is, secondary iron The root diameter of core 300 is less than or equal to the root diameter of the first main iron core 110 and the second main iron core 120, i.e., pair iron core 300 does not wrap The diameter for including 320 part of positioning tooth is less than or equal to the first main iron core 110 and the slot bottom of the second main iron core 120 and all skewed slots is tangent Circular diameter.In other words, secondary iron core 300 does not include that the outer periphery of positioning tooth 320 is no more than the slot bottom of skewed slot radially.In this way Not only first skewed slot 111 and the second skewed slot 121 can be caused to block to avoid secondary iron core 300, further be convenient for cage winding 200 Formation, when convenient for ensureing that rotor 1 works can Positive rotational, and be easy to implement secondary iron core 300,110 and of the first main iron core Second main iron core 120 is completed by a punching of high stamping die.

Optionally, the first skewed slot 111 is identical as the minimum angles for being in the axis of secondary iron core 300 of the second skewed slot 121 And angle of inclination is opposite.The skewed slot opposite by the way that angle of inclination is arranged in this way, can make rotor 1 generate both direction after powered up Opposite and symmetrical axial force is so that it can cancel out each other, convenient for reducing the additional torque of rotor 1, convenient for reducing the machine of rotor 1 Tool is worn, convenient for improving the working performance of the motor, convenient for improving the efficiency of the motor, convenient for extending making for the motor Use the service life.The torsion that rotor 1 not only can be improved, in order to improve the working efficiency of rotor 1, to improve the motor Working efficiency, and the electromagnetism HARMONIC FORCE of rotor 1 can be reduced, to reduce the noise that the motor generates, described in raising The noise reduction capability of motor improves the comfort of user.

Optionally, as shown in Fig. 2, the first sub-portion 210 of cage winding 200 include the first end ring 211 and it is multiple first tiltedly Bar 212 and the second sub-portion 220 include the second end ring 221 and multiple second braces 222, the first end ring 211,221 and of the second end ring Connection ring 230 is parallel, and the first end ring 211 is connected by multiple first braces 212 with connection ring 230, and the second end ring 221 passes through more A second brace 222 is connected with connection ring 230, the first end ring 211, the second end ring 221, connection ring 230, multiple first braces 212 and the integrated cast molding of multiple second braces 222.Specifically, it is respectively equipped with thickness on the first end ring 211 and the second end ring 221 Spend that equal end ring thickness is equal, the thickness of connection ring 230 is less than the thickness of 221 end ring of the first end ring 211 and the second end ring.

Motor according to the utility model embodiment is described below.Motor according to the utility model embodiment includes basis The rotor 1 of the motor of the utility model above-described embodiment.

According to the motor of the utility model embodiment, by using turning according to the motor of the utility model above-described embodiment Son 1, has many advantages, such as that work efficiency is high, good reliability.

According to the motor of the utility model embodiment other constitute and operate for those of ordinary skill in the art and Speech is all known, is not detailed herein.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more this feature. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.

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 specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that： Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (12)

1. a kind of rotor of motor, which is characterized in that including：

The peripheral surface of first main iron core and the second main iron core, first main iron core is equipped with multiple first skewed slots, second master The peripheral surface of iron core is equipped with multiple second skewed slots；

Cage winding, the cage winding include the first sub-portion, the second sub-portion and connection ring, first sub-portion and described first Main iron core matches, and second sub-portion is matched with second main iron core, and first sub-portion and second sub-portion are logical The connection ring is crossed to be connected；

Secondary iron core, the pair iron core are clamped between first main iron core and second main iron core with by the described first main iron Core and second main iron core are spaced apart, the peripheral surface and first main iron core of the pair iron core and second main iron core Opposite both ends of the surface limit the annular groove for forming the connection ring during casting the cage winding jointly, described Connection ring coordinates in the annular groove, and the pair iron core is towards a side surface of first main iron core and first main iron core In one be equipped with the first circumferentially positioned protrusion and another equipped with the first circumferentially positioned slot, described first is circumferentially positioned convex Cooperation is played in the described first circumferentially positioned slot, the pair iron core is towards a side surface of second main iron core and described second One in main iron core is equipped with the second circumferential positioning protrusion and another is equipped with the second circumferential locating slot, and described second circumferentially Positioning protrusion cooperation is in the described second circumferential locating slot.

2. the rotor of motor according to claim 1, which is characterized in that the first circumferentially positioned protrusion is multiple and edge The pair iron core is provided at circumferentially spaced, and the described second circumferential positioning protrusion is multiple and is set along secondary the circumferentially-spaced of iron core It sets.

3. the rotor of motor according to claim 1, which is characterized in that the pair iron core is towards first main iron core One side surface is equipped with the first radial positioning land with one in first main iron core and another is equipped with the first radial direction and determines Position hole, the first radial positioning land cooperation is in the first radial positioning hole, and the pair iron core is towards second main iron core A side surface and second main iron core in one be equipped with the second radial positioning land and another is equipped with second radially Location hole, the second radial positioning land cooperation is in the second radial positioning hole.

4. the rotor of motor according to claim 3, which is characterized in that the first radial positioning land clearance fit exists In first radial positioning hole, the second radial positioning land clearance fit is in second radial positioning hole.

5. the rotor of motor according to claim 1, which is characterized in that the first circumferentially positioned protrusion and described second Circumferentially positioned protrusion is opposite in the axial direction of the secondary iron core.

6. the rotor of motor according to claim 5, which is characterized in that first skewed slot is towards second main iron core One end and second skewed slot towards one end of first main iron core being axially aligned in the secondary iron core.

7. the rotor of motor according to claim 1, which is characterized in that the first circumferentially positioned protrusion and described second Circumferentially positioned protrusion is staggered in the axial direction of the secondary iron core.

8. the rotor of motor according to claim 7, which is characterized in that first skewed slot is towards second main iron core One end and second skewed slot be staggered in the axial direction of the secondary iron core towards one end of first main iron core.

9. the rotor of motor according to claim 1, which is characterized in that the thickness of the pair iron core is less than or equal to 3 millimeters.

10. the rotor of motor according to claim 1, which is characterized in that the diameter of the pair iron core is less than or equal to described The slot bottom inscribe diameter of a circle of first skewed slot and second skewed slot.

11. the rotor of motor according to claim 1, which is characterized in that first skewed slot and second skewed slot The minimum angles that axis with the secondary iron core is in are identical and angle of inclination is opposite.

12. a kind of motor, which is characterized in that include the rotor of the motor according to any one of claim 1-11.