CN204633489U - Rotor pack - Google Patents
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- CN204633489U CN204633489U CN201520317949.4U CN201520317949U CN204633489U CN 204633489 U CN204633489 U CN 204633489U CN 201520317949 U CN201520317949 U CN 201520317949U CN 204633489 U CN204633489 U CN 204633489U
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Abstract
The utility model discloses a kind of rotor pack, comprise: body, the center of body is provided with the endoporus at the two ends of through body, on body, the position of its outline contiguous is provided with along its circumference multiple magnet grooves arranged spaced apart, the position of the contiguous endoporus of body is provided with along its circumference multiple oil throughs arranged spaced apart, and the quantity of oil through is odd number and at least two oil throughs are different at the cross-sectional area axially of body.According to the rotor pack of the utility model embodiment, dissymmetrical structure can be formed as, the quality of the rotor that multiple rotor pack superposition is formed is unbalanced, a unbalanced rotor can be formed, this unbalanced rotor can influence each other with nonequilibrium bent axle, thus can cancel or reduce the quality of balance weight, make whole axle system can reach balance under the less balance weight of installation or the condition of not installing balance weight, the quality of axle system is reduced, cost reduces, vibrate little and gas friction resistance to reduce, electric efficiency improves.
Description
Technical field
The utility model relates to Compressor Technology field, more specifically, relates to a kind of rotor pack.
Background technology
In the rotor pack of motor, the quantity of oil through does not limit, the number that general employing is identical with magnet groove quantity.In common motor, due to the quantity of magnet groove and the number of poles of motor consistent, therefore the quantity of oil through is also even number.
Motor is in operation process, and along with the rotation of rotor, air or other fluid can due to aerodynamic effects, partly or completely by the oil through of rotor, because oil through convection cell has resistance and frictional force, therefore can cause the loss of energy, cause electric efficiency to decline.Therefore, in design of electrical motor, reduce oil through resistance and frictional force is wished.
In addition, for the motor used on the compressor, the endoporus of rotor bent axle that is usual and compressor coordinates combination by hot jacket.One end due to bent axle has unbalanced piston, therefore, often installs balance weight respectively at two end faces up and down of rotor, and as a whole by rivet, makes the force and moment of whole axle system reach balance, reduces the vibration of rotor.
Because the balance weight additionally installed can increase the quality of whole axle system, and balance weight also has gas friction resistance.Therefore, the part energy of motor can be lost, and causes the inefficiency of whole system.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of rotor pack that can improve the efficiency of axle system.
According to rotor pack of the present utility model, comprise: body, the center of described body is provided with the endoporus at the two ends of through described body, on described body, the position of its outline contiguous is provided with along its circumference multiple magnet grooves arranged spaced apart, the position of the described endoporus of vicinity of described body is provided with along its circumference multiple oil throughs arranged spaced apart, and the quantity of described oil through is odd number and at least two described oil throughs are different at the cross-sectional area axially of described body.
According to rotor pack of the present utility model, dissymmetrical structure can be formed as, the quality of the rotor that multiple rotor pack superposition is formed is unbalanced, a unbalanced rotor can be formed, this nonequilibrium rotor can influence each other with nonequilibrium bent axle, thus can cancel or reduce the quality of balance weight, make whole axle system under the less balance weight of installation or the condition of not installing balance weight, the force and moment of whole axle system namely can be made to reach balance, the quality of axle system is reduced, cost reduces, vibrate little and gas friction resistance to reduce, the efficiency of axle system improves.
In addition, following additional technical characteristic can also be had according to rotor pack of the present utility model:
According to an embodiment of the present utility model, the quantity of described oil through is n, and (n-1)/2 described oil through and (n+1)/2 described oil through lay respectively at the both sides of described endoporus and the described cross-sectional area being positioned at (n-1)/2 described oil through of the side of described endoporus is greater than the described cross-sectional area of (n+1)/2 described oil through of the opposite side being positioned at described endoporus respectively.
According to an embodiment of the present utility model, (the n-1)/2 described oil through being positioned at the side of described endoporus is S1 at the average cross sectional area axially of described body, (the n+1)/2 described oil through being positioned at the opposite side of described endoporus is S2,90mm at the average cross sectional area axially of described body
2≤ S1≤220mm
2, 20mm
2≤ S2≤90mm
2.
According to an embodiment of the present utility model, the described cross-sectional area being positioned at (n-1)/2 described oil through of the side of described endoporus is all not identical with shape.
According to an embodiment of the present utility model, the described cross-sectional area being positioned at (n+1)/2 described oil through of the opposite side of described endoporus is all not identical with shape.
According to an embodiment of the present utility model, the edge, side of the edge, side towards described endoporus of described oil through and the described dorsad endoporus of described oil through is formed as arc respectively and is greater than the radius of curvature at the edge, side of described endoporus dorsad towards the radius of curvature at the edge, side of described endoporus.
According to an embodiment of the present utility model, the edge, side towards described endoporus of described oil through is isocentric circular arc with the edge, side of described endoporus dorsad.
According to an embodiment of the present utility model, described body is provided with along the isolated multiple rivet hole of its circumference, multiple described rivet hole lays respectively between multiple described oil through and multiple described magnet groove, and the quantity of described rivet hole equals the quantity of described magnet groove.
According to an embodiment of the present utility model, the minimum range at each described rivet hole and described magnet groove institute interval and the minimum range at each described rivet hole and described oil through institute interval are not less than 2mm respectively.
According to an embodiment of the present utility model, described rotor pack is formed as electromagnetic steel plate, and the thickness of described electromagnetic steel plate is 0.3mm-0.35mm.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotor pack according to the utility model first embodiment;
Fig. 2 is the structural representation of the rotor pack according to the utility model second embodiment;
Fig. 3 is the structural representation of the rotor pack according to the utility model the 3rd embodiment;
Fig. 4 is the structural representation of the rotor pack according to the utility model the 4th embodiment.
Reference numeral:
Rotor pack 100;
Body 10;
Endoporus 101; Magnet groove 102; Oil through 103; Rivet hole 104; Every magnetic bridge 105.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The rotor pack 100 according to the utility model embodiment is described in detail below in conjunction with accompanying drawing.
Shown in Fig. 4, the rotor pack 100 according to the utility model embodiment comprises body 10.The center of body 10 is provided with the endoporus 101 at the two ends of through body 10.On body 10, the position of its outline contiguous is provided with along its circumference multiple magnet grooves 102 arranged spaced apart.The position of the contiguous endoporus 101 of body 10 is provided with along its circumference multiple oil throughs 103 arranged spaced apart.The quantity of oil through 103 is odd number and at least two oil throughs 103 are different at the cross-sectional area axially of body 10.
In other words, the rotor pack 100 according to the utility model embodiment comprises body 10, and the center of body 10 is provided with endoporus 101, the upper surface of the through body 10 of endoporus 101 and lower surface.Body 10 is provided with multiple magnet groove 102 and multiple oil through 103, the circumference of multiple magnet grooves 102 respectively along body 10 is spaced apart, the circumference of multiple magnet grooves 102 respectively along body 10 is spaced apart, the outline that multiple magnet groove 102 is respectively adjacent to body 10 is arranged, and multiple oil through 103 is respectively adjacent to endoporus 101 and arranges.
The quantity of oil through 103 is odd number.At least two oil throughs 103 are different at the cross-sectional area axially of body 10, that is, at least two oil throughs 103 by after the plane cutting perpendicular to body 10 axis direction the area in cross section that formed different.Such as, when the axis of body 10 is vertical, the area of the horizontal cross-section of at least two oil throughs 103 is different; When the axis of body 10 is level, the area of the vertical section of at least two oil throughs 103 is different.
In structure shown in Fig. 1 to Fig. 4, the axis of body 10 is the direction perpendicular to paper, and now at least two oil throughs 103 area is on paper different.In Fig. 1 to Fig. 4, each oil through 103 is made up of a closed figure respectively, and an oil through 103 area is on paper the area that a closed figure surrounds.
According to the rotor pack 100 of the utility model embodiment, by arranging odd number oil through 103 on body 10, and make at least two oil throughs 103 different at the cross-sectional area axially of body 10, rotor pack 100 is made to be formed as dissymmetrical structure, the quality that multiple rotor pack 100 superposes the rotor formed is unbalanced, a unbalanced rotor can be formed, this unbalanced rotor can influence each other with nonequilibrium bent axle, thus can cancel or reduce the quality of balance weight, make whole axle system under the less balance weight of installation or the condition of not installing balance weight, the force and moment of whole axle system namely can be made to reach balance, the quality of axle system is reduced, cost reduces, vibrate little and gas friction resistance to reduce, the efficiency of axle system improves.
Simultaneously, during fabrication, at least one in multiple oil through 103 can be made larger than original epitrochanterian oil through, with be issued in the prerequisite of the performance not affecting motor self effectively improve fluid pass through area, reduce frictional resistance, also can reduce rotor weight simultaneously, reduce rotor non-uniform air-gap degree, the subjective noise of optimization system.
Alternatively, rotor pack 100 can be formed as electromagnetic steel plate, and the thickness of electromagnetic steel plate can be 0.3mm-0.35mm.This kind of rotor pack 100 appropriate in quality, rotor operation is steady, and magnetic circuit is stablized, and motor performance is more reliable.
Conveniently oil through 103 is described, in being described below, by oil through 103 at the cross-sectional area axially of body 10 referred to as the area of oil through 103, multiple oil through 103 is called the average area of oil through 103 at the average cross sectional area axially of body 10, namely the average area of oil through 103 can be understood as the mean value of multiple oil through 103 at the cross-sectional area axially of body.In addition, assuming that the quantity of oil through 103 is n.
According to embodiments more of the present utility model, (n-1)/2 oil through 103 and (n+1)/2 oil through 103 lay respectively at the both sides of endoporus 101 and the area being positioned at (n-1)/2 oil through 103 of the side of endoporus 101 is greater than the area of (n+1)/2 oil through 103 being positioned at endoporus 101 opposite side respectively.In other words, oil through 103 is divided into two groups, and the area of the oil through 103 wherein in a group is relatively large, is formed as macropore group; The area of the oil through 103 in another group is relatively little, is formed as aperture group, and the area of each oil through 103 in macropore group is all large than the area of each oil through 103 in aperture group.Macropore group is positioned at the side of endoporus 101, and aperture group is positioned at the opposite side of endoporus 101.
Thus, the side of endoporus 101 can have negligible amounts and the larger oil through 103 of area, and the opposite side of endoporus 101 can have the more and oil through 103 that area is less of quantity.This kind of structural design is more reasonable, is more convenient for manufacturing and multiple rotor pack 100 imbalance of superposing the rotor of formation is according to certain rules more obvious, can the disequilibrium of effective balance crankshaft.
Further, assuming that the average area being positioned at (n-1)/2 oil through 103 of the side of endoporus 101 is S1, the average area being positioned at (n+1)/2 oil through 103 of the opposite side of endoporus 101 is S2, the average area of (n-1)/2 oil through 103 namely in macropore group is S1, and the average area of (n+1)/2 oil through 103 in aperture group is S2.Then S1 and S2 can meet relational expression below: wherein, S1>1.6 × S2.The vibration meeting the rotor of this relational expression is little, and noise is little, and the efficiency of motor is high.
Wherein the concrete numerical value of S1 and S2 can be arranged as required, and especially, present inventor's research draws, works as 90mm
2≤ S1≤220mm
2, 20mm
2≤ S2≤90mm
2time, the area of the multiple oil throughs 103 in macropore group can be larger than the area of the oil through in correlation technique, under the prerequisite not affecting motor performance, can effectively improve fluid by area, reduce frictional resistance, also significantly can reduce the quality of rotor simultaneously, reduce rotor non-uniform air-gap degree, the subjective noise of optimization system, rotor vibration in the running and noise can significantly reduce, and the efficiency of motor is higher.
Below in conjunction with specific embodiment, the rotor pack 100 according to the utility model embodiment is described in detail.
Embodiment 1
Fig. 1 shows a kind of rotor pack 100 according to the utility model embodiment.In the present embodiment, rotor pack 100 adopts electromagnetic steel plate to make, and its thickness is 0.32mm.
As shown in Figure 1, rotor pack 100 is provided with endoporus 101, oil through 103, rivet hole 104 and magnet groove 102, wherein endoporus 101 is one and is located at the center of rotor pack 100, endoporus 101, oil through 103, rivet hole 104 and magnet groove 102 are along radial direction (namely away from the direction of endoporus 101) distribution from inside to outside of rotor pack 100, the endoporus 101 of oil through 103 adjacent rotor lamination 100 is arranged, the outline of magnet groove 102 adjacent rotor lamination 100 is arranged, and rivet hole 104 is between oil through 103 and magnet groove 102.
Oil through 103, rivet hole 104 and magnet groove 102 are respectively multiple, and multiple oil through 103, multiple rivet hole 104 and multiple magnet groove 102 are respectively along the spaced apart setting of circumference of rotor pack 100.Wherein multiple rivet hole 104 and multiple magnet groove 102 are evenly arranged along the circumference of rotor pack 100 respectively.Thus, the balance impact of oil through 103 on rotor pack 100 is more remarkable.
Each magnet groove 102 roughly rectangularity, is formed every magnetic bridge 105 between adjacent two magnet grooves 102, extends every the direction of magnetic bridge 105 towards endoporus 101.Each rivet hole 104 is roughly formed as closed circular hole.Endoporus 101 is roughly in the circular hole closed, and the center of circle of endoporus 101 is through the axis of rotor pack 100.Each oil through 103 is roughly in the scallop hole closed.Specifically, the edge, side towards endoporus 101 of each oil through 103 is formed as arc, simultaneously the edge, side of the endoporus dorsad 101 of each oil through 103 is also formed as arc, and is greater than the radius of curvature at the edge, side of endoporus 101 dorsad towards the radius of curvature at the edge, side of endoporus 101.Thus, the flow resistance of fluid in oil through 103 is less, and stronger by property, the rotary resistance of rotor is also less, and rotor operation is more steadily reliable, and electric efficiency is higher.
Especially, in an embodiment, the edge, side towards endoporus 101 of each oil through 103 is isocentric circular arc with the edge, side of endoporus 101 dorsad.Thus, can reduce the resistance of fluid further, make rotor operation more steady, electric efficiency is higher.
The quantity of rivet hole 104 equals the quantity of magnet groove 102.The quantity of rivet hole 104 and magnet groove 102 is even number, and the quantity of oil through 103 is odd number.In the present embodiment, rivet hole 104 and magnet groove 102 are respectively six, and the quantity of oil through 103 is five.Five oil throughs 103 are divided into macropore group and aperture group, and macropore group comprises the relatively large oil through 103 of two areas, and aperture group comprises the relatively little oil through 103 of three areas.Macropore group is positioned at the left side of endoporus 101, and aperture group is positioned at the right side of endoporus 101.
In the present embodiment, the shape of two oil throughs 103 in macropore group is all identical with area, is 154.9 square millimeters, and in aperture group, the shape of three oil throughs 103 is also identical with area, is 62 square millimeters, and each oil through 103 is formed as fan-shaped all substantially.Now, in macropore group, the average area S1 of two oil throughs 103 is 2.5 times of the average area S2 of three oil throughs 103 in aperture group, the area discrepancy that macropore group and aperture group are formed is 123.8 square millimeters, is about the twice of the area of the less each oil through 103 of area.Thus, rotor quality can be alleviated to greatest extent, larger amount of unbalance is provided.
In addition, in order to ensure the stable of rotor magnetic circuit, the minimum range D at each rivet hole 104 and oil through 103 intervals is not less than 2mm, and further, the minimum range at each rivet hole 104 and magnet groove 102 intervals is also not less than 2mm.Specifically, in the present embodiment, the minimum range D at each rivet hole 104 and oil through 103 intervals is 2mm, and the minimum range at each rivet hole 104 and magnet groove 102 intervals is greater than 2mm.Thus, rotor pack 100 not only compact conformation, and also the impact of rivet hole 104 on rotor magnetic circuit is less, and rotor magnetic circuit is more stable, and motor runs more steadily reliable.
As shown in Figure 1, position ensures this minimum range, and in macropore group, the position of the contiguous rivet hole 104 of each oil through 103 notch, the edge of notch can be curved.Thus, not only easily manufactured, minimum range can be ensured preferably, simultaneously also can reduce gas by resistance, reduce friction.
Embodiment 2
Fig. 2 shows the second rotor pack 100 according to the utility model embodiment.Rotor pack 100 in the present embodiment is roughly the same with the structure of the rotor pack 100 in embodiment 1, and difference is, the quantity of oil through 103 is seven, and macropore group has three oil throughs 103, and aperture group has four oil throughs 103.Area and the shape of four oil throughs 103 in aperture group are all equal, and area and the shape of three oil throughs 103 in macropore group are all unequal, and namely shape size is different.
Specifically, three oil through 103 general structures in macropore group are roughly the same, and what be all formed as with notch is fan-shaped, and just the position of notch is different.According to the position of rivet hole 104, notch can be arranged on fan-shaped limit or on angle.Four oil throughs 103 in aperture group are still in fan-shaped.
The area of three oil throughs 103 in macropore group is respectively 103.06 square millimeters, 105.97 square millimeters and 103.06 square millimeters, and average area is 104.03 square millimeters.The area of each oil through 103 in aperture group is 43.72 square millimeters.Thus, the average area S1 of three oil throughs 103 in macropore group is 2.36 times of the average area S2 of four oil throughs 103 in aperture group, and the area discrepancy that can be formed is 134.2 square millimeters, is about the twice of the area of each oil through 103 in aperture group.Thus, rotor quality can be alleviated to greatest extent, larger amount of unbalance is provided.
In addition, in the present embodiment, the minimum range D at each rivet hole 104 and oil through 103 intervals is 2mm, and the minimum range at each rivet hole 104 and magnet groove 102 intervals is greater than 2mm.Thus, rotor pack 100 not only compact conformation, and also the impact of rivet hole 104 on rotor magnetic circuit is less, and rotor magnetic circuit is more stable, and motor runs more steadily reliable.
Embodiment 3
Fig. 3 shows the third rotor pack 100.Rotor pack 100 in the present embodiment is roughly the same with the structure of the rotor pack 100 in embodiment 1, and difference is, shape and the area of two oil throughs 103 in macropore group are all unequal.
Specifically, in macropore group, to be formed as with notch fan-shaped for oil through 103, and it is fan-shaped that another oil through 103 is formed as with projection.Each oil through 103 in aperture group is still formed as fan-shaped.
The area of two oil throughs 103 in macropore group is respectively 149.45 square millimeters and 144.2 square millimeters, and average area is 146.8 square millimeters.The area of each oil through 103 in aperture group is still 62 square millimeters.Thus, the average area S1 of two oil throughs 103 in macropore group is 2 times of the average area S2 of three oil throughs 103 in aperture group, thus the area discrepancy that can be formed is 107.6 square millimeters, is about 1.7 times of the area of each oil through 103 in aperture group.Thus, also can alleviate rotor quality, larger amount of unbalance is provided.
Embodiment 4
Fig. 4 shows the 4th kind of rotor pack 100.Rotor pack 100 in the present embodiment is roughly the same with the structure of the rotor pack 100 in embodiment 1, difference is, the shape of two oil throughs 103 in macropore group is identical with area, and shape and the area of three oil throughs 103 in aperture group are all unequal.
Specifically, it is fan-shaped that each oil through 103 in macropore group is formed as with notch.Three oil throughs 103 in aperture group expand to more irregular various shape by fan-shaped respectively.
The area of three oil throughs 103 in aperture group is respectively 94.2 square millimeters, 54.65 square millimeters and 82.34 square millimeters, and average area is 77 square millimeters.Two oil throughs 103 in macropore group still totally present fan-shaped shape, the area equation of two oil throughs 103, are 154.9 square millimeters.Thus, the average area S1 of two oil throughs 103 in macropore group is 2 times of the average area S2 of three oil throughs 103 in aperture group, and the area discrepancy of formation is 77.8 square millimeters.Thus, also can alleviate rotor quality, larger amount of unbalance is provided.
According to the rotor pack 100 of the utility model embodiment other form and operation be known for the person of ordinary skill of the art, be not described in detail at this.
In description of the present utility model, it will be appreciated that, term " " center ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. a rotor pack, it is characterized in that, comprise: body, the center of described body is provided with the endoporus at the two ends of through described body, on described body, the position of its outline contiguous is provided with along its circumference multiple magnet grooves arranged spaced apart, the position of the described endoporus of vicinity of described body is provided with along its circumference multiple oil throughs arranged spaced apart, and the quantity of described oil through is odd number and at least two described oil throughs are different at the cross-sectional area axially of described body.
2. rotor pack according to claim 1, it is characterized in that, the quantity of described oil through is n, and (n-1)/2 described oil through and (n+1)/2 described oil through lay respectively at the both sides of described endoporus and the described cross-sectional area being positioned at (n-1)/2 described oil through of the side of described endoporus is greater than the described cross-sectional area of (n+1)/2 described oil through of the opposite side being positioned at described endoporus respectively.
3. rotor pack according to claim 2, it is characterized in that, (the n-1)/2 described oil through being positioned at the side of described endoporus is S1 at the average cross sectional area axially of described body, (the n+1)/2 described oil through being positioned at the opposite side of described endoporus is S2 at the average cross sectional area axially of described body, wherein, S1>1.6 × S2,90mm
2≤ S1≤220mm
2, 20mm
2≤ S2≤90mm
2.
4. rotor pack according to claim 3, is characterized in that, the described cross-sectional area being positioned at (n-1)/2 described oil through of the side of described endoporus is all not identical with shape.
5. rotor pack according to claim 3, is characterized in that, the described cross-sectional area being positioned at (n+1)/2 described oil through of the opposite side of described endoporus is all not identical with shape.
6. rotor pack according to claim 1, it is characterized in that, the edge, side of the edge, side towards described endoporus of described oil through and the described dorsad endoporus of described oil through is formed as arc respectively and is greater than the radius of curvature at the edge, side of described endoporus dorsad towards the radius of curvature at the edge, side of described endoporus.
7. rotor pack according to claim 6, is characterized in that, the edge, side towards described endoporus of described oil through is isocentric circular arc with the edge, side of described endoporus dorsad.
8. rotor pack according to claim 1, it is characterized in that, described body is provided with along the isolated multiple rivet hole of its circumference, and multiple described rivet hole lays respectively between multiple described oil through and multiple described magnet groove, and the quantity of described rivet hole equals the quantity of described magnet groove.
9. rotor pack according to claim 8, is characterized in that, the minimum range at each described rivet hole and described magnet groove institute interval and the minimum range at each described rivet hole and described oil through institute interval are not less than 2mm respectively.
10. the rotor pack according to any one of claim 1-9, is characterized in that, described rotor pack is formed as electromagnetic steel plate, and the thickness of described electromagnetic steel plate is 0.3mm-0.35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317949.4U CN204633489U (en) | 2015-05-15 | 2015-05-15 | Rotor pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317949.4U CN204633489U (en) | 2015-05-15 | 2015-05-15 | Rotor pack |
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|---|---|
| CN204633489U true CN204633489U (en) | 2015-09-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868646A (en) * | 2015-06-10 | 2015-08-26 | 广东美芝制冷设备有限公司 | Rotor lamination and motor with same |
| CN112219015A (en) * | 2018-08-22 | 2021-01-12 | 舍弗勒技术股份两合公司 | Camshaft phaser rotor and camshaft phaser |
| CN114402505A (en) * | 2019-09-10 | 2022-04-26 | 舍弗勒技术股份两合公司 | Rotor, motor and method for reducing unbalance of rotor |
-
2015
- 2015-05-15 CN CN201520317949.4U patent/CN204633489U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868646A (en) * | 2015-06-10 | 2015-08-26 | 广东美芝制冷设备有限公司 | Rotor lamination and motor with same |
| CN112219015A (en) * | 2018-08-22 | 2021-01-12 | 舍弗勒技术股份两合公司 | Camshaft phaser rotor and camshaft phaser |
| CN114402505A (en) * | 2019-09-10 | 2022-04-26 | 舍弗勒技术股份两合公司 | Rotor, motor and method for reducing unbalance of rotor |
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