CN210041462U - Motor with slant magnetizing magnet - Google Patents
Motor with slant magnetizing magnet Download PDFInfo
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- CN210041462U CN210041462U CN201920635496.8U CN201920635496U CN210041462U CN 210041462 U CN210041462 U CN 210041462U CN 201920635496 U CN201920635496 U CN 201920635496U CN 210041462 U CN210041462 U CN 210041462U
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Abstract
The utility model discloses a motor with an oblique magnetizing magnet, which comprises a cylindrical outer cover, a rotor, a stator and a base, wherein the rotor comprises an annular magnet and is arranged inside the cylindrical outer cover; the stator is fixed around the rotating shaft of the motor, and the periphery of the stator comprises a plurality of stator poles which are mutually spaced; the magnet and the stator are horizontally aligned relative to any point on the axial central line of the motor; the inner wall of the magnet is provided with a plurality of inclined punching grooves which are arranged at equal intervals, each inclined punching groove is parallel to each other, the setting angle of each inclined punching groove and the horizontal plane of the magnet are defined to be an angle between 0 and 180 degrees, and the angle does not include 90 degrees; adjacent two oblique washtrough are each other coincide in the projection of horizontal plane, and aim at provides a motor with slant magnet that magnetizes, with the rotor of magnet as the motor, utilize to set up oblique washtrough on the magnet to guarantee to operate steadily at the motor, noiselessness and pause or frustrate and feel, and solved the problem that the motor squinted or drop simultaneously.
Description
Technical Field
The utility model relates to a motor field especially relates to a motor with slant magnet that magnetizes.
Background
The prior art brushless direct current motor rotor comprises a rotating shaft, a stator and a rotor, wherein the rotor generally comprises a plurality of magnets or magnetic steels with opposite polarities, each magnet or magnetic steel is connected with each other to form a vertical connecting gap, and the polarities of the magnets and the stator poles are switched, so that a pause and contusion feeling is easily generated in the rotating process of a motor, and a larger noise is generated, and the use performance of the motor is reduced;
meanwhile, in some existing obliquely-magnetized motors, the motors are prone to causing the situation that the motors cannot normally run, such as motor deviation or falling off and the like, under the condition of high-speed rotation.
Therefore, a solution to the above problem is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor with slant magnet that magnetizes utilizes the magnet to set up the oblique washout groove as the rotor of motor on to guarantee to operate steadily at the motor, noiselessness and pause and frustrate and feel, and solved the problem that the motor squinted or drop simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model has:
a motor with oblique magnetizing magnet comprises a cylindrical outer cover, a base and a motor body
A rotor including an annular magnet disposed inside the cylindrical housing;
a stator fixed around a rotating shaft of the motor, the stator periphery including a plurality of stator poles spaced from each other;
wherein the magnet is horizontally aligned with the stator relative to any point on an axial centerline of the motor;
the inner wall of the magnet is provided with a plurality of inclined punching grooves which are arranged at equal intervals, each inclined punching groove is parallel to each other, the setting angle of each inclined punching groove and the horizontal plane of the magnet are defined to be an angle between 0 and 180 degrees, and the angle does not include 90 degrees;
and the projections of the two adjacent inclined punching grooves on the horizontal plane are not overlapped with each other.
The utility model discloses a motor with slant magnetization magnet, including tube-shape dustcoat, base, stator and rotor constitute the basic structure of motor jointly, wherein the rotor includes cyclic annular magnet, and this magnet sets up in the tube-shape dustcoat, and the stator is fixed around the pivot of motor, and the stator periphery includes a plurality of stator poles of mutual spaced, the magnet with the stator is relative arbitrary some horizontal alignment on the motor axial centerline for stator and rotor are located same horizontal plane and are fixed, make the motor operate steadily on the horizontal direction in the operation process, have the oblique washtrough that many equidistant arrangements on the magnet inner wall, every the oblique washtrough is parallel to each other, every the angle that sets up of oblique washtrough with the horizontal plane that the magnet is located is defined the angle between 0 to 180, and this angle does not include 90 degrees, guarantees that every oblique washtrough is the slope setting on the magnet, torque harmonics of the rotor in the rotating process are eliminated by utilizing the inclined punching grooves, so that noise is reduced; adjacent two the oblique washtrough is in the projection of horizontal plane mutually not coincide, makes adjacent two form the buffering region between the oblique washtrough, in this region, rotor speed keeps balanced, for the rotor provides the buffering, and in the single cycle of effectual reduction, the ascending lifting force time that the rotor received reduces, reduces the fastening degree of stator and rotor self in other words, reduces the demand of the safe operation of motor, thereby guarantees the safe operation of motor.
The magnet is fixed on the cylindrical outer cover or on a rotating shaft of the motor, and the magnet and the cylindrical outer cover or the rotating shaft rotate synchronously.
Further, a magnetic region formed on the magnet is formed between two adjacent oblique punching grooves, and two adjacent magnetic regions respectively have opposite polarities.
Furthermore, a buffer area is arranged in the magnetic area, and the buffer area is located in a longitudinal area of a spacing area of two adjacent oblique punching grooves projected on a horizontal plane and on the magnetic area.
Further, the stator includes annular first stator and annular second stator, annular first stator periphery be radial arrange a plurality of seat pieces and with integrated into one piece in the tooth utmost point of seat piece tip, annular second and stator including be radial arrangement's caulking groove and the integrative seat of accepting that links to each other with the caulking groove, the seat piece embedding in the caulking groove, and the tooth utmost point is arranged in accept the seat surface, the tooth utmost point with accept the seat and constitute the stator utmost point.
Furthermore, an installation groove is formed between every two adjacent caulking grooves, and the size of each installation groove is equal
Furthermore, a through hole is formed in the top of the cylindrical outer cover, and the rotating shaft is provided with a connector through the through hole in a threaded mode.
Further, a cylinder sleeve is arranged in the base, and a column groove is formed in the periphery of the cylinder sleeve.
Furthermore, a chip set is arranged in the barrel sleeve.
Drawings
FIG. 1 is an exploded view of a motor;
FIG. 2 is a perspective view of a magnet according to an embodiment;
FIG. 3 is a partial schematic view of a magnet according to an embodiment;
FIG. 4 is a perspective view of a magnet according to a second embodiment;
FIG. 5 is a schematic view of a ring-shaped first stator structure;
FIG. 6 is a schematic view of an annular second stator structure;
fig. 7 is a schematic view of a stator structure.
Detailed Description
The present invention is described with reference to the accompanying drawings.
As shown in fig. 1 to 4, a motor with an oblique magnetizing magnet comprises a cylindrical housing 1 and a base 2, and further comprises a rotor 3, wherein the rotor 3 comprises a ring-shaped magnet 31, and the magnet 31 is arranged inside the cylindrical housing 1; the stator 4 is fixed around a rotating shaft 5 of the motor, and the periphery of the stator 4 comprises a plurality of stator poles which are mutually spaced;
wherein the magnet 31 is horizontally aligned with the stator 4 relative to any point on the axial center line of the motor;
the inner wall of the magnet 31 is provided with a plurality of inclined punching grooves 311 which are arranged at equal intervals, each inclined punching groove 311 is parallel to each other, the setting angle of each inclined punching groove 311 and the horizontal plane of the magnet 31 are defined to be an angle between 0 and 180 degrees, and the angle does not include 90 degrees;
the projections of the two adjacent oblique washgrooves 311 on the horizontal plane are not overlapped with each other.
The utility model discloses a motor with slant magnetization magnet, including tube-shape dustcoat 1, base 2, stator 4 and rotor 3 constitute the basic structure of motor jointly, wherein rotor 3 includes cyclic annular magnet 31, and this magnet 31 sets up in tube-shape dustcoat 1 inside, and stator 4 fixes around pivot 5 of motor, and stator 4 periphery includes a plurality of stator poles of mutual interval, magnet 31 with stator 4 for arbitrary a little horizontal alignment on the motor axial central line makes stator 4 and rotor 3 be located same horizontal plane and fixes, makes the motor operate steadily on the horizontal direction in the operation process, have a plurality of oblique towards groove 311 that the equidistant arranging on magnet 31 inner wall, every oblique towards groove 311 is parallel to each other, every oblique towards the angle that sets up of groove 311 with magnet 31 horizontal plane is located and is defined the angle between 0 to 180, the angle does not include 90 degrees, each inclined punching groove 311 is obliquely arranged on the magnet 31, and harmonic torque generated in the motor is reduced by utilizing the inclined punching grooves 311, so that noise is reduced; adjacent two oblique washtrough 311 is in the projection of horizontal plane mutually not coincide, makes adjacent two form the buffering region between the oblique washtrough 311, in this region, rotor 3 speed keeps balanced, provides the buffering for rotor 3, and in the single cycle of effectual reduction, the ascending lifting power time that rotor 3 received reduces, is equivalent to the fastening degree that reduces stator 4 and rotor 3 self, reduces the demand of the safe operation of motor, thereby guarantees the safe operation of motor.
As shown in fig. 2 to fig. 3, as the structure for setting the inclined punching slot 311 of the present invention, the inclined punching slot 311 is always set, when the motor is energized and rotated, the rotor 3 or the magnet 31 rotates around the stator 4, and at this time, an approximately uniform magnetic field region is formed in the inclined punching slot 311;
when any one of the oblique punching slots 311 is positioned on the same initial surface with one of the stator poles on the stator 4 end to end in the rotation process of the rotor 3, from this stage, the rotor 3 and the stator 4 are acted by the magnetic field force and are relatively stressed, the rotor 3 is acted by the magnetic field force which is always kept in the horizontal direction in the oblique punching slot 311, and the rotor 3 is driven to move forwards, and the stator pole is always acted by the force in the process of passing through the oblique punching slot 311, because the magnetic field at each position in the oblique punching slot 311 is relatively uniform, the oblique punching slot 311 is always kept acted by the force when passing through the current stator pole, and the acceleration influenced by the force is generated, so that the power consumption of the motor when reaching the rated rotation speed is relatively reduced, and relative to the oblique punching slot 311 arranged at 90 degrees, when the rotor 3 rotates, the oblique punching slot 311 passes through the stator pole, because the magnetic field inside the oblique punching slot 311 is the magnetic field at this time, because of the polarity conversion of the magnet material, the stator pole or the rotor 3 suddenly applies a force of a magnetic field positioned in the inclined punching slot 311, so that the motor generates pause and frustration when rotating, and noise is generated;
when the stator poles pass through the surfaces of the oblique flushing slots 311, because the projections of the two adjacent oblique flushing slots 311 on the horizontal plane do not coincide with each other, that is, it indicates that the two adjacent oblique flushing slots 311 transversely have an interval, that is, a buffer area is arranged in the magnetic area, the buffer area is located in a longitudinal area of the interval area of the two adjacent oblique flushing slots 311 on the horizontal plane, and when the stator poles pass through the interval relative to the rotor 3, the overlapped part of the stator poles and the interval is not influenced by the action of the magnetic field force in the oblique flushing slots 311, according to the relative mass covered by the stator poles in the area, the acceleration of the rotor 3 receiving the magnetic field force is slowed down, the acceleration effect of the rotor 3 is buffered, so that the rotating speed of the rotor 3 is relatively slowed down, the acceleration and the deceleration balance of the rotor 3 are balanced, the dynamic balance of the rotor 3 is ensured, and the speed is only influenced by the current flowing in, the safe operation of the motor is realized, the design requirements of the motor are reduced, namely, the requirements on the fixed condition parameters of the rotor 3 and the stator 4 are reduced, the labor cost is saved, and the production efficiency of the motor is improved.
The utility model discloses a magnet 31 fixes the dual mode in tube-shape dustcoat 1, as shown in figure 2 or figure 4, magnet 31 fixes on tube-shape dustcoat 1 or fixes on the pivot 5 of motor, just magnet 31 rotates with tube-shape dustcoat 1 or pivot 5 are synchronous.
Preferably, as an embodiment of the utility model discloses, magnet 31 is the annular, and fixes on tube-shape dustcoat 1, and with tube-shape dustcoat 1 rotates in step, promptly rotor 3, the pivot 5 and the tube-shape dustcoat 1 fixed connection of motor to rotate in step with tube-shape dustcoat 1, it is relative, the oblique towards groove 311 of magnet 31 is located the inboard of magnet 31 and the stator pole of locating the stator 4 periphery sets up relatively.
Further preferably, as another embodiment of the present invention, the magnet 31 is annular and fixed on the rotating shaft 5 of the motor, and the magnet 31 rotates synchronously with the rotating shaft 5, at this time, the stator pole is located on the inner wall of the stator 4.
In order to meet the application requirement, as shown in fig. 3, the magnetic regions formed on the magnet 31 between two adjacent oblique punching grooves 311, each having opposite polarity, satisfy the magnetic switching between the rotor 3 and the stator pole during the rotation process.
In order to facilitate the installation of the stator 4 or the stator pole on the stator 4, as shown in fig. 5 to 7, the stator 4 includes a ring-shaped first stator 41 and a ring-shaped second stator 42, the ring-shaped first stator 41 is radially arranged with a plurality of seat blocks 411 and tooth poles 412 integrally formed at the ends of the seat blocks 411, the ring-shaped second stator 42 includes radially arranged caulking grooves 422 and receiving seats 421 integrally connected with the caulking grooves 422, the seat blocks 411 are embedded in the caulking grooves 422, the tooth poles 412 are disposed on the surfaces of the receiving seats 421, and the tooth poles 412 and the receiving seats 421 constitute the stator pole.
The tooth pole 412 is in a crescent column shape and is tightly attached to the receiving seat 421, and after the seat block 411 is embedded in the caulking groove 422, the annular first stator 41 and the annular second stator 42 are fixed through a wire winding.
Adjacent two form mounting groove 423 between caulking groove 422, every mounting groove 423 has constituted copper wire winding's installation space, and every the size of mounting groove 423 equals, because the thickness of copper line is fixed with the wire winding mode, is equivalent to that copper wire winding's number of turns is fixed.
As shown in fig. 1, the top of the cylindrical housing 1 has a through hole 101, the through hole 101 is used as an extending structure of a rotating shaft 5 of the motor, the rotating shaft 5 of the motor is threadedly mounted with a connector 6 through the through hole 101, the connector 6 has an annular cylinder 61 and a connecting cap (not shown), the rotating shaft 5 is threadedly connected with the annular cylinder 61, the connecting cap (not shown) is used for being fixed on a component of a mounting device where the motor is located, and the annular cylinder 61 is embedded into the connecting cap (not shown), so that the connection and fixation of the motor and an application device are realized.
As shown in fig. 1, a barrel sleeve 7 is arranged in the base 2, the barrel sleeve 7 is arranged in the base 2, a column groove 71 is arranged on the periphery of the barrel sleeve 7, the barrel sleeve 7 is stably fixed on the base 2 by matching with a fixing bolt, the column groove 71 is cylindrical and is used for matching with the shape of the fixing bolt, the fixing bolt penetrates through the outer edge of the top surface of the barrel sleeve 7 to realize the longitudinal fixation of the barrel sleeve 7, the fixing bolt is arranged in the column groove 71, and the horizontal fixation of the barrel sleeve 7 is realized by limiting the inner wall of the column groove 71.
As shown in fig. 1, a chip set 8 is disposed in the sleeve 7, and the chip set 8 is composed of a plurality of driving chips and accessories thereof and is used for driving the motor to operate.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. A motor with an oblique magnetizing magnet comprises a cylindrical outer cover and a base and is characterized by also comprising
A rotor including an annular magnet disposed inside the cylindrical housing;
a stator fixed around a rotating shaft of the motor, the stator periphery including a plurality of stator poles spaced from each other;
wherein the magnet is horizontally aligned with the stator relative to any point on an axial centerline of the motor;
the inner wall of the magnet is provided with a plurality of inclined punching grooves which are arranged at equal intervals, each inclined punching groove is parallel to each other, the setting angle of each inclined punching groove and the horizontal plane of the magnet are defined to be an angle between 0 and 180 degrees, and the angle does not include 90 degrees;
and the projections of the two adjacent inclined punching grooves on the horizontal plane are not overlapped with each other.
2. The motor of claim 1, wherein the magnet is fixed to the cylindrical housing or to a rotating shaft of the motor, and the magnet rotates in synchronization with the cylindrical housing or the rotating shaft.
3. The electric machine of claim 1 wherein adjacent ones of said magnetic regions formed on said magnet between adjacent ones of said skewed slots, each of said adjacent magnetic regions having opposite polarity.
4. The motor of claim 3, wherein the magnetic region is provided with a buffer zone, and the buffer zone is located in a longitudinal region of a spacing region of two adjacent oblique punching grooves projected on a horizontal plane on the magnetic region.
5. The motor according to claim 1, wherein the stator includes a ring-shaped first stator and a ring-shaped second stator, the ring-shaped first stator having a plurality of seat blocks radially arranged on an outer periphery thereof and teeth integrally formed at ends of the seat blocks, the ring-shaped first stator including radially arranged caulking grooves and receiving seats integrally connected to the caulking grooves, the seat blocks being inserted into the caulking grooves, and the teeth being disposed on surfaces of the receiving seats, the teeth and the receiving seats constituting the stator poles.
6. The motor of claim 5, wherein a mounting groove is formed between two adjacent caulking grooves, and the size of each mounting groove is equal.
7. The motor of claim 1, wherein the cylindrical housing has a through hole at a top thereof, and the rotating shaft is threadedly mounted with a connector through the through hole.
8. The motor of claim 1, wherein a sleeve is arranged in the base, and a cylindrical groove is arranged on the periphery of the sleeve.
9. The electric machine of claim 8, wherein a chipset is disposed within the cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635496.8U CN210041462U (en) | 2019-05-06 | 2019-05-06 | Motor with slant magnetizing magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635496.8U CN210041462U (en) | 2019-05-06 | 2019-05-06 | Motor with slant magnetizing magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210041462U true CN210041462U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920635496.8U Active CN210041462U (en) | 2019-05-06 | 2019-05-06 | Motor with slant magnetizing magnet |
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| Country | Link |
|---|---|
| CN (1) | CN210041462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980809A (en) * | 2019-05-06 | 2019-07-05 | 佛山市顺德区一虎电子科技有限公司 | A kind of motor with oblique charged magnet |
-
2019
- 2019-05-06 CN CN201920635496.8U patent/CN210041462U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980809A (en) * | 2019-05-06 | 2019-07-05 | 佛山市顺德区一虎电子科技有限公司 | A kind of motor with oblique charged magnet |
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