CN217335350U - Built-in permanent magnet motor rotor - Google Patents
Built-in permanent magnet motor rotor Download PDFInfo
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- CN217335350U CN217335350U CN202220842014.8U CN202220842014U CN217335350U CN 217335350 U CN217335350 U CN 217335350U CN 202220842014 U CN202220842014 U CN 202220842014U CN 217335350 U CN217335350 U CN 217335350U
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- fan
- pivot
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Abstract
The utility model discloses a built-in permanent-magnet machine rotor, including rotor core and permanent magnet, rotor core's internal fixed surface is connected with the pivot, the rear side fixedly connected with installation mechanism of pivot, and installation mechanism's surface cover is equipped with the fan shell, the rear side fixedly connected with fan blade of fan shell, the positive fixedly connected with strengthening rib of fan shell, and installation mechanism includes the connecting rod, and the fixed cover of surface of connecting rod is equipped with the hexagonal ring, and the rear side welding of connecting rod has the spacing ring, and the rear side welding of spacing ring has the locating lever. The utility model discloses possess the advantage of the deashing of being convenient for, solved built-in permanent-magnet machine rotor when using, the staff of being not convenient for dismantles radiator fan, comes to clear up the dust of fan surface and motor casing inside, influences the radiating effect of motor easily, has reduced motor life's problem.
Description
Technical Field
The utility model relates to an electric motor rotor technical field specifically is a built-in permanent-magnet machine rotor.
Background
The motor rotor is a rotating part in the motor, the motor is composed of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, the motor rotor is divided into a motor rotor and a generator rotor, the motor rotor is divided into an inner rotor rotating mode and an outer rotor rotating mode, the inner rotor rotating mode is that a core body in the middle of the motor is a rotating body and outputs torque or receives energy, the outer rotor rotating mode is that an outer body of the motor is used as the rotating body, the application of various occasions is facilitated in different modes, the permanent magnet rotor is a rotor with a permanent magnet inside, the built-in permanent magnet motor rotor can generate a large amount of heat in the working process, and the rotor needs to be cooled by a fan arranged on the rear side of the rotor.
When the built-in permanent magnet motor rotor is used, workers are not convenient to detach the cooling fan to clean dust on the surface of the fan and in the motor shell, the cooling effect of the motor is easily affected, and the service life of the motor is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a built-in permanent magnet machine rotor possesses the advantage of the deashing of being convenient for, has solved built-in permanent magnet machine rotor when using, and the staff of being not convenient for dismantles radiator fan, comes to clear up the inside dust of fan surface and motor casing, influences the radiating effect of motor easily, has reduced motor life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a built-in permanent magnet motor rotor, including rotor core and permanent magnet, rotor core's internal surface fixedly connected with pivot, the rear side fixedly connected with installation mechanism of pivot, the surface cover of installation mechanism is equipped with the fan shell, the rear side fixedly connected with fan blade of fan shell, the positive fixedly connected with strengthening rib of fan shell, installation mechanism includes the connecting rod, the fixed cover of surface of connecting rod is equipped with the hexagonal ring, the rear side welding of connecting rod has the spacing ring, the rear side welding of spacing ring has the locating lever, the rear side of locating lever is provided with the collar, the rear side of collar runs through and is provided with mounting bolt.
In order to facilitate the installation of the permanent magnet in the rotor core, the utility model discloses a permanent magnet groove has been seted up on the rotor core to the rotor is preferred, and the permanent magnet is located the inner chamber in permanent magnet groove.
For the convenience of increasing the area of contact of rotor core and air, increase rotor core's radiating effect, as the utility model discloses a rotor groove has been seted up on the preferred, rotor core to the preferred rotor of built-in permanent-magnet machine rotor, and the quantity in rotor groove is a plurality of.
In order to stabilize the support and prevent that the rotatory in-process of pivot from rocking for the convenience of countershaft, conduct the utility model discloses a fixed cover of front side on pivot surface is equipped with the front bearing, and the fixed cover of rear side on pivot surface is equipped with the rear bearing.
For the moment of torsion of the convenient transmission pivot, conduct the utility model discloses a preferred of built-in permanent magnet motor rotor, the front side at pivot top is opened and is equipped with the keyway, the surface of locating lever and the internal surface sliding connection of fan shell.
For the convenience of installing bolt supports tight collar, makes the collar fix the fan casing, as the utility model discloses a rear side of locating lever is opened and is equipped with the screw hole for built-in permanent-magnet machine rotor is preferred, and installing bolt's front runs through to the inner chamber of screw hole and rather than inner wall threaded connection.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an installation mechanism, fan shell, fan blade, strengthening rib, rear bearing, construction bolt, collar, screw hole, locating lever, spacing ring, hexagonal ring sum connecting rod's cooperation is used, has solved built-in permanent-magnet machine rotor when using, and the staff of being not convenient for dismantles radiator fan, comes to clear up the inside dust of fan surface and motor casing, influences the radiating effect of motor easily, has reduced motor life's problem.
2. The utility model discloses a set up the permanent magnet, it is rotatory that the permanent magnet drives rotor core, the drive pivot of can being convenient for rotates, through setting up the rotor groove, the rotor groove increases the area of contact of rotor core and air, can be convenient for dispel the heat fast to rotor core, cooperation through front bearing and rear bearing is used, can stabilize the support to the pivot, prevent that the rotatory in-process of pivot from appearing rocking, through setting up the keyway, the moment of torsion of keyway transmission pivot, it is rotatory to be convenient for the pivot drives the object, through setting up the strengthening rib, the strengthening rib increases the positive intensity of fan shell, avoid fan shell fracture damage.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view of an axial measurement structure of the present invention;
fig. 2 is a schematic rear view of the present invention;
fig. 3 is an explosion diagram of the installation mechanism of the present invention.
The symbols in the figures indicate:
1. a rotor core; 2. a rotor slot; 3. a rotating shaft; 4. a keyway; 5. a front bearing; 6. a permanent magnet; 7. an installation mechanism; 8. a fan case; 9. a fan blade; 10. reinforcing ribs; 11. a rear bearing; 12. installing a bolt; 13. a mounting ring; 14. a threaded hole; 15. positioning a rod; 16. a limiting ring; 17. a hexagonal ring; 18. a connecting rod.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Please refer to fig. 1-3, the utility model provides a built-in permanent magnet motor rotor, including rotor core 1 and permanent magnet 6, rotor core 1's internal surface fixed connection has pivot 3, the rear side fixedly connected with installation mechanism 7 of pivot 3, the surface cover of installation mechanism 7 is equipped with fan shell 8, the rear side fixedly connected with fan blade 9 of fan shell 8, fan shell 8's positive fixedly connected with strengthening rib 10, installation mechanism 7 includes connecting rod 18, the fixed cover of surface of connecting rod 18 is equipped with six rings 17, the rear side welding of connecting rod 18 has spacing ring 16, the rear side welding of spacing ring 16 has locating lever 15, the rear side of locating lever 15 is provided with collar 13, the rear side of collar 13 runs through and is provided with mounting bolt 12.
In this embodiment: through the arrangement of the permanent magnet 6, the permanent magnet 6 drives the rotor core 1 to rotate, the rotation of the rotating shaft 3 can be conveniently driven, through the arrangement of the reinforcing ribs 10, the reinforcing ribs 10 increase the strength of the front face of the fan casing 8, the fan casing 8 is prevented from being broken and damaged, through the arrangement of the fan blades 9, the fan blades 9 extract external air, the rotor core 1 can be conveniently cooled, through the arrangement of the hexagonal ring 17, a worker can conveniently use a tool to fix the connecting rod 18, and the connecting rod 18 and the positioning rod 15 are prevented from rotating in the process of disassembling the mounting bolt 12; through setting up spacing ring 16, spacing ring 16 is spacing to the rear side of fan case 8, prevents its rearward movement, and through setting up locating lever 15, locating lever 15 transmits the moment of torsion of connecting rod 18 to fan case 8 on, can be convenient for fan case 8 drive fan blade 9 and rotate.
As a technical optimization scheme of the utility model, permanent magnet groove has been seted up on rotor core 1, and permanent magnet 6 is located the inner chamber in permanent magnet groove.
In this embodiment: through setting up permanent magnet groove, can install permanent magnet 6 in rotor core 1, the permanent magnet 6 of being convenient for drives rotor core 1 rotatory.
As a technical optimization scheme of the utility model, rotor slot 2 has been seted up on rotor core 1, and the quantity in rotor slot 2 is a plurality of.
In this embodiment: through setting up rotor groove 2, rotor groove 2 increases the area of contact of rotor core 1 with the air, can be convenient for dispel the heat fast to rotor core 1.
As a technical optimization scheme of the utility model, the fixed cover in front side on 3 surfaces of pivot is equipped with fore bearing 5, and the fixed cover in rear side on 3 surfaces of pivot is equipped with rear bearing 11.
In this embodiment: the front bearing 5 and the rear bearing 11 are matched to be used, so that the rotating shaft 3 can be stably supported, and the rotating shaft 3 is prevented from shaking in the rotating process.
As a technical optimization scheme of the utility model, the front side at 3 tops of pivot is opened and is equipped with keyway 4, the surface of locating lever 15 and fan shell 8's internal surface sliding connection.
In this embodiment: through setting up keyway 4, the moment of torsion of keyway 4 transmission pivot 3 can be convenient for pivot 3 drives the object rotation.
As a technical optimization scheme of the utility model, threaded hole 14 has been opened to the rear side of locating lever 15, and the front of mounting bolt 12 runs through to threaded hole 14's inner chamber and rather than inner wall threaded connection.
In this embodiment: through setting up screw hole 14, can fix mounting bolt 12 in the rear side of locating lever 15, the mounting bolt 12 of being convenient for supports tight collar 13, makes collar 13 fix fan case 8.
The utility model discloses when using, when needs are dismantled fan shell 8, dismantle the back lid of motor in advance, make installation mechanism 7 and fan shell 8 not sheltered from by the casing of motor, the user fixes hexagonal ring 17 through the spanner, hexagonal ring 17 fixes connecting rod 18 and prevents its rotation, connecting rod 18 fixes spacing ring 16 and locating lever 15, through the rotatory construction bolt 12 of interior hexagonal spanner, the inner chamber of screw hole 14 is screwed out construction bolt 12, make construction bolt 12 break away from the internal surface of construction ring 13, take off construction ring 13 of fan shell 8 rear side, take out fan shell 8 of locating lever 15 surface, dust and the inside dust of motor on the fan shell 8 clear up.
In summary, the following steps: the built-in permanent magnet motor rotor solves the problems that when the built-in permanent magnet motor rotor is used, workers are not convenient to detach a cooling fan to clean dust on the surface of a fan and in the motor shell, the cooling effect of the motor is easily affected, and the service life of the motor is shortened due to the fact that the built-in permanent magnet motor rotor is used in a matched mode through the installation mechanism 7, the fan shell 8, the fan blades 9, the reinforcing ribs 10, the rear bearing 11, the installation bolts 12, the installation ring 13, the threaded holes 14, the positioning rods 15, the limiting ring 16, the hexagonal ring 17 and the connecting rods 18.
In the description of the present invention, it is to be understood that the positional or positional relationships, such as the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, are based on the positional or positional relationships illustrated in the drawings and are for convenience in describing the present application and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting of the present application.
Further, in the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. The built-in permanent magnet motor rotor comprises a rotor core (1) and permanent magnets (6), and is characterized in that: the utility model discloses a fan, including rotor core (1), the internal surface fixedly connected with pivot (3) of rotor core (1), the rear side fixedly connected with installation mechanism (7) of pivot (3), the surface cover of installation mechanism (7) is equipped with fan shell (8), the rear side fixedly connected with fan blade (9) of fan shell (8), the positive fixedly connected with strengthening rib (10) of fan shell (8), installation mechanism (7) are including connecting rod (18), the fixed cover of surface of connecting rod (18) is equipped with hexagonal ring (17), the rear side welding of connecting rod (18) has spacing ring (16), the rear side welding of spacing ring (16) has locating lever (15), the rear side of locating lever (15) is provided with collar (13), the rear side of collar (13) runs through and is provided with construction bolt (12).
2. The interior permanent magnet machine rotor according to claim 1, wherein: the rotor core (1) is provided with a permanent magnet groove, and the permanent magnet (6) is located in an inner cavity of the permanent magnet groove.
3. The interior permanent magnet machine rotor according to claim 1, wherein: rotor slots (2) are formed in the rotor iron core (1), and the number of the rotor slots (2) is a plurality.
4. The interior permanent magnet machine rotor according to claim 1, wherein: the fixed cover of front side on pivot (3) surface is equipped with front bearing (5), the fixed cover of rear side on pivot (3) surface is equipped with rear bearing (11).
5. The interior permanent magnet machine rotor according to claim 1, wherein: a key groove (4) is formed in the front side of the top of the rotating shaft (3), and the outer surface of the positioning rod (15) is connected with the inner surface of the fan shell (8) in a sliding mode.
6. The interior permanent magnet machine rotor according to claim 1, wherein: threaded holes (14) are formed in the rear side of the positioning rod (15), and the front face of the mounting bolt (12) penetrates through the inner cavity of the threaded holes (14) and is in threaded connection with the inner wall of the threaded holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220842014.8U CN217335350U (en) | 2022-04-12 | 2022-04-12 | Built-in permanent magnet motor rotor |
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CN202220842014.8U CN217335350U (en) | 2022-04-12 | 2022-04-12 | Built-in permanent magnet motor rotor |
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CN217335350U true CN217335350U (en) | 2022-08-30 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115833479A (en) * | 2022-11-16 | 2023-03-21 | 南昌三瑞智能科技有限公司 | Brushless motor heat abstractor brushless motor |
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2022
- 2022-04-12 CN CN202220842014.8U patent/CN217335350U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115833479A (en) * | 2022-11-16 | 2023-03-21 | 南昌三瑞智能科技有限公司 | Brushless motor heat abstractor brushless motor |
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