CN204906142U - Rotor squirrel cage, rotor and motor - Google Patents
Rotor squirrel cage, rotor and motor Download PDFInfo
- Publication number
- CN204906142U CN204906142U CN201520546999.XU CN201520546999U CN204906142U CN 204906142 U CN204906142 U CN 204906142U CN 201520546999 U CN201520546999 U CN 201520546999U CN 204906142 U CN204906142 U CN 204906142U
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- Prior art keywords
- sliver
- radial
- rotor
- end ring
- axial
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- 241000555745 Sciuridae Species 0.000 title abstract description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000004512 die casting Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 7
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
- Induction Machinery (AREA)
Abstract
The utility model discloses a rotor squirrel cage, a rotor and a motor, wherein, the rotor squirrel cage comprises a first end ring and a second end ring which are oppositely arranged; a plurality of axial guide bars disposed between the first end ring and the second end ring; a first plurality of radial bars connected at one end to the first end ring and extending radially outward at the other end along the first end ring and connected at one end to the plurality of axial bars; a second plurality of radial bars having one end connected to the second end ring and the other end extending radially outward of the second end ring and connected to the other end of the plurality of axial bars. The utility model discloses under the condition that does not increase motor stack height and external diameter, effectively increased the working torque of motor, improved the capacity of motor, be favorable to realizing the miniaturization of motor.
Description
Technical field
The utility model relates to machine field, particularly relates to a kind of rotor cage, has the rotor of this mouse cage and has the motor of this rotor.
Background technology
According to the difference of rotor winding structure, motor can be divided into squirrel-cage and Wound-rotor type two kinds.Wherein, squirrel cage motor because structure is simple, etc. advantage be widely used in the field such as household electrical appliance and mining equipment.
As shown in Figure 1, for the structural representation of existing squirrel cage motor rotor mouse cage, this rotor cage is made up of the first aluminium ring 100' and the second aluminium ring 200' and the multiple aluminum strip 300' be parallel to each other be fixed between two aluminium rings, wherein, the two ends of each aluminum strip 300' are separately fixed on two aluminium rings.In the course of work of motor, because aluminum strip 300' is only along a direction cutting magnetic induction line, therefore under not increasing motor and folding the prerequisite of high and external diameter, be difficult to the torque of raising motor.
Utility model content
The utility model provides a kind of rotor structure and motor, can improve the torque of motor without the need to increasing folded high and external diameter.
For achieving the above object, the utility model adopts following technical scheme:
A kind of rotor cage, comprises
The first end ring be oppositely arranged and the second end ring;
Multiple axial sliver, described multiple axial sliver is arranged between described first end ring and described second end ring;
Multiple first radial sliver, one end of described multiple first radial sliver is connected with described first end ring, and the other end extends radially outwardly along described first end ring, and is connected with one end of described multiple axial sliver; And
Multiple second radial sliver, one end of described multiple second radial sliver is connected with described second end ring, and the other end extends radially outwardly along described second end ring, and is connected with the other end of described multiple axial sliver.
Wherein in an embodiment, described first radial sliver and described axial sliver one_to_one corresponding, described second radial sliver and described axial sliver one_to_one corresponding.
Wherein in an embodiment, the projection of described multiple axial slivers in perpendicular plane is positioned at circumferentially same.
Wherein in an embodiment, the width W 1 of described first radial sliver increases gradually along the direction away from described first end ring, and the width W 2 of described second radial sliver increases gradually along the direction away from described second end ring.
Wherein in an embodiment, each axial sliver is wide sliver, and the Breadth Maximum of described first radial sliver and the Breadth Maximum of described second radial sliver equal the width W 3 of described axial sliver.
Wherein in an embodiment, the outline line away from one end of described first end ring in described first radial sliver is camber line;
Outline line away from one end of described second end ring in described second radial sliver is camber line.
Wherein in an embodiment, described multiple axial sliver be arranged in parallel, and the distance L between adjacent two described axial slivers is equal.
A kind of rotor, comprises rotor core and described rotor cage;
One end of described rotor core offers the first cannelure and multiple first radial slot, and the first end ring of described rotor cage is arranged in described first cannelure, and multiple first radial slivers of described rotor cage are arranged in described multiple first radial slot;
The other end of described rotor core offers the second cannelure and multiple second radial slot, and the second end ring of described rotor cage is arranged in described second cannelure, and multiple second radial slivers of described rotor cage are arranged in described multiple second radial slot;
Offer multiple axial groove vertically between the two ends of described rotor core, the multiple axial sliver of described rotor cage is arranged in described multiple axial groove.
Wherein in an embodiment, the middle part of described rotor core offers through hole vertically, and the diameter of described through hole is equal with the internal diameter of described first end ring and described second end ring.
Wherein in an embodiment, described rotor core and described rotor cage integrated die-casting shaping.
A kind of motor, comprises described rotor.
The beneficial effects of the utility model are as follows:
Rotor cage of the present utility model has set up the first radial sliver and the second radial sliver respectively on the first end ring and the second end ring, axial sliver is connected with the first end ring by the first radial sliver, be connected with the second end ring by the second radial sliver, when machine operation, axial sliver and radial sliver (comprising the first radial sliver and the second radial sliver) together cutting magnetic induction line in a different direction, thus when not increasing motor and folding height and external diameter, effectively increase the operation torque of motor, improve the capacity of motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of rotor cage one embodiment of prior art;
Fig. 2 is the structural representation of rotor cage one embodiment of the present utility model;
Fig. 3 is for rotor cage shown in Fig. 2 is at the vertical view of axial direction;
Shown in Fig. 4 bitmap 2, rotor cage is at the upward view of axial direction;
Fig. 5 is the structural representation of rotor one embodiment of the present utility model.
Embodiment
The utility model is described in detail below in conjunction with embodiment.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
The utility model provides a kind of rotor cage, and as shown in Figures 2 to 4, this rotor cage comprises the first end ring 100, second end ring 200, multiple axial sliver 300, multiple first radial sliver 110 and multiple second radial sliver 210.Wherein, the first end ring 100 and the second end ring 200 are oppositely arranged; Multiple axial sliver 300 is arranged between the first end ring 100 and the second end ring 200; One end of multiple first radial sliver 110 is connected with the first end ring 100, and the other end extends radially outwardly along the first end ring 100, and is connected with one end of multiple axial sliver 300; One end of multiple second radial sliver 210 is connected with the second end ring 200, and the other end extends radially outwardly along the second end ring 200, and is connected with the other end of multiple axial sliver 300.
The effect of rotor cage of the present utility model is equivalent to rotor windings, cutting magnetic induction line in machine operation process, thus produces torque, and drive rotor rotates.
Compared with the rotor cage in conventional art, rotor cage of the present utility model has set up the first radial sliver 110 and the second radial sliver 210 respectively on the first end ring 100 and the second end ring 200, axial sliver 300 is connected with the first end ring 100 by the first radial sliver 110, be connected with the second end ring 200 by the second radial sliver 210, when machine operation, axial sliver 300 and radial sliver (first radial sliver 110 and the second radial sliver 210) are at different direction cutting magnetic induction lines, produce magnetic moment, because the effective length of the sliver of cutting magnetic induction line increases, therefore, the torque produced also increases thereupon, and then when not increasing motor and folding height and external diameter, improve the capacity of motor, be conducive to the realization realizing motor miniaturization.
In the utility model, the radial sliver 210 of first end ring 100, second end ring the 200, first radial sliver 110, second, and the material of axial sliver 300 can be identical, also can be different.As preferably, the radial sliver 210 of first end ring 100, second end ring the 200, first radial sliver 110, second, and axial sliver 300 is made by metallic aluminium.
Particularly, as shown in Figure 2, the first radial sliver 110 and axial sliver 300 one_to_one corresponding, the second radial sliver 210 and axial sliver 300 one_to_one corresponding.Which structure is simple, be convenient to the preparation of mould, and mode adds patency and the uniformity of electric current one to one, and then improves the stability of output power of motor, improve the useful life of motor.
Preferably, as a kind of embodiment, the projection of multiple axial sliver 300 in perpendicular plane is positioned at circumferentially same.When machine operation, the density of magnetic induction line can change in different positions, and the density of magnetic induction line directly can have influence on the size of motor torque, when multiple axial sliver 300 the projection of radial direction be positioned at same circumferentially time, the density being positioned at this magnetic induction line is circumferentially substantially identical, thus the magnetic moment making each axial sliver 300 produce is roughly the same, is conducive to the smooth operation of motor.
See Fig. 3, the width W 1 of the first radial sliver 110 increases gradually along the direction away from the first end ring 100, and see Fig. 4, the width W 2 of the second radial sliver 210 increases gradually along the direction away from the second end ring 200.Which effectively can prevent the short circuit caused due to hypotelorism between each radial sliver, can increase the magnitude setting of radial sliver in certain scope, thus increases the cutting quantity to magnetic induction line.
Preferably, each axial sliver 300 is wide sliver (width up and down namely in same axial sliver 300 is equal), and the Breadth Maximum of the first radial sliver 110 and the Breadth Maximum of the second radial sliver 210 equal the width W 3 of axial sliver 300.Which is conducive to the mutual linking between radial sliver and axial sliver 300, and can increase integrally-built mechanical robustness.Wherein, axial sliver 300 can be cylindrical-shaped structure, also can be prismatic structure or other column structures.
More preferably, as shown in Figure 3, the outline line away from one end of the first end ring 100 in described first radial sliver 110 is camber line; As shown in Figure 4, the outline line away from one end of the second end ring 200 in the second radial sliver 210 is camber line.In which, the end of the first radial sliver 110 and the second radial sliver 210 is level and smooth camber line structure, avoids the accumulation of electric charge, effectively prevent the sudden change of resistance, improve the stability of electric current, enhance the safety in utilization of motor.
Continue see Fig. 2, multiple axial sliver 300 be arranged in parallel, and the distance L between adjacent two axial slivers 300 is equal.Which makes being more evenly distributed of axial sliver 300, can even cutting magnetic induction line when machine operation, is conducive to the raising of machine operation stability.
See Fig. 5, the utility model additionally provides a kind of rotor, comprises rotor core 400 and above-mentioned rotor cage.Wherein, one end of rotor core 400 offers the first cannelure (not shown) and multiple first radial slot (not shown), first end ring 100 of rotor cage is arranged in the first cannelure, and multiple first radial slivers 110 of rotor cage are arranged in multiple first radial slot; The other end of rotor core 400 offers the second cannelure (not shown) and multiple second radial slot (not shown), second end ring 200 of rotor cage is arranged in the second cannelure, and multiple second radial slivers 210 of rotor cage are arranged in multiple second radial slot; Offer multiple axial groove (not shown) between the two ends of rotor core 400 vertically, the multiple axial sliver 300 of rotor cage is arranged in multiple axial groove.
Owing to have employed rotor cage of the present utility model, rotor of the present utility model is made when keeping identical folded height and external diameter, can effectively to improve torque and the capacity of motor.
Preferably, the first radial slot and the first radial sliver 100 one_to_one corresponding, the second radial slot and the second radial sliver 200 one_to_one corresponding, axial groove and axial sliver 300 one_to_one corresponding.
As preferably, the size of the first cannelure and the size of the first end ring 100 match, the size of the second cannelure and the size of the second end ring 200 match, the size of the first radial slot and the first radial sliver 110 matches, the size of the second radial slot and the second radial sliver 210 matches, and the size of axial groove and axial sliver 300 matches.Which makes rotor structure compacter, is conducive to the operating efficiency and the mechanical robustness that improve motor.
More preferably, the middle part of rotor core 400 offers the through hole 410 for installing armature spindle vertically, and the diameter of through hole 410 is equal with the internal diameter of the first end ring 100 and the second end ring 200.This design reduces the preparation difficulty of mould, and the installation being convenient to armature spindle is fixed.
When preparing rotor of the present utility model, can first be prepared by rotor cage shaping, what then put it into rotor prepares in mould, injects the magnetic formed needed for rotor core 400 in a mold, obtains required rotor by techniques such as hot pressed sinterings; Also can first prepare shaping by rotor core 400, what then put it into rotor prepares in mould, injects the metal-powder formed needed for rotor cage in a mold, then obtains required rotor by techniques such as hot pressed sinterings.Preferably, as a kind of embodiment, rotor core 400 is shaping with rotor cage integrated die-casting.Which effectively reduces preparation section, improves production efficiency, and adds the bonding strength of rotor core 400 and rotor cage.
In addition, the utility model additionally provides a kind of motor, comprises above-mentioned rotor.Compared with traditional motor, motor of the present utility model is under identical volume, and have larger torque and capacity, operating efficiency improves greatly.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (11)
1. a rotor cage, comprises
The first end ring (100) be oppositely arranged and the second end ring (200);
Multiple axial sliver (300), described multiple axial sliver (300) is arranged between described first end ring (100) and described second end ring (200);
Multiple first radial sliver (110), one end of described multiple first radial sliver (110) is connected with described first end ring (100), the other end extends radially outwardly along described first end ring (100), and is connected with one end of described multiple axial sliver (300); And
Multiple second radial sliver (210), one end of described multiple second radial sliver (210) is connected with described second end ring (200), the other end extends radially outwardly along described second end ring (200), and is connected with the other end of described multiple axial sliver (300).
2. rotor cage according to claim 1, it is characterized in that, described first radial sliver (110) and described axial sliver (300) one_to_one corresponding, described second radial sliver (210) and described axial sliver (300) one_to_one corresponding.
3. rotor cage according to claim 1, is characterized in that, the projection of described multiple axial sliver (300) in perpendicular plane is positioned at circumferentially same.
4. rotor cage according to claim 1, it is characterized in that, the width W 1 of described first radial sliver (110) increases gradually along the direction away from described first end ring (100), and the width W 2 of described second radial sliver (210) increases gradually along the direction away from described second end ring (200).
5. rotor cage according to claim 4, it is characterized in that, each axial sliver (300) is wide sliver, and the Breadth Maximum of described first radial sliver (110) and the Breadth Maximum of described second radial sliver (210) equal the width W 3 of described axial sliver (300).
6. rotor cage according to claim 1, is characterized in that, the outline line away from one end of described first end ring (100) in described first radial sliver (110) is camber line;
Outline line away from one end of described second end ring (200) in described second radial sliver (210) is camber line.
7. the rotor cage according to any one of claim 1 ~ 6, is characterized in that, described multiple axial sliver (300) be arranged in parallel, and the distance L between adjacent two described axial slivers (300) is equal.
8. a rotor, is characterized in that, comprises rotor core and the rotor cage described in any one of claim 1 ~ 7;
One end of described rotor core (400) offers the first cannelure and multiple first radial slot, first end ring (100) of described rotor cage is arranged in described first cannelure, and multiple first radial slivers (110) of described rotor cage are arranged in described multiple first radial slot;
The other end of described rotor core (400) offers the second cannelure and multiple second radial slot, second end ring (200) of described rotor cage is arranged in described second cannelure, and multiple second radial slivers (210) of described rotor cage are arranged in described multiple second radial slot;
Offer multiple axial groove vertically between the two ends of described rotor core (400), the multiple axial sliver (300) of described rotor cage is arranged in described multiple axial groove.
9. rotor according to claim 8, it is characterized in that, the middle part of described rotor core (400) offers through hole (410) vertically, and the diameter of described through hole (410) is equal with the internal diameter of described first end ring (100) and described second end ring (200).
10. rotor according to claim 8, is characterized in that, described rotor core (400) is shaping with described rotor cage integrated die-casting.
11. 1 kinds of motors, is characterized in that, comprise the rotor described in any one of claim 8 ~ 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546999.XU CN204906142U (en) | 2015-07-24 | 2015-07-24 | Rotor squirrel cage, rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546999.XU CN204906142U (en) | 2015-07-24 | 2015-07-24 | Rotor squirrel cage, rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906142U true CN204906142U (en) | 2015-12-23 |
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ID=54928287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520546999.XU Expired - Fee Related CN204906142U (en) | 2015-07-24 | 2015-07-24 | Rotor squirrel cage, rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204906142U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098163A (en) * | 2021-04-19 | 2021-07-09 | 云南铜业压铸科技有限公司 | Cast copper rotor for high-rotation-speed motor and preparation method thereof |
-
2015
- 2015-07-24 CN CN201520546999.XU patent/CN204906142U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098163A (en) * | 2021-04-19 | 2021-07-09 | 云南铜业压铸科技有限公司 | Cast copper rotor for high-rotation-speed motor and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 |