CN216312828U - High-speed brushless motor - Google Patents
High-speed brushless motor Download PDFInfo
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- CN216312828U CN216312828U CN202122993828.XU CN202122993828U CN216312828U CN 216312828 U CN216312828 U CN 216312828U CN 202122993828 U CN202122993828 U CN 202122993828U CN 216312828 U CN216312828 U CN 216312828U
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Abstract
The utility model discloses a high-speed brushless motor which comprises an air duct shell, a rotor assembly, a stator assembly, a bearing bush assembly and a fan blade, wherein an installation ring is coaxially arranged between the right part in the air duct shell and the air duct shell, the rotor assembly and the installation ring are coaxially arranged, the rotor assembly is installed in the installation ring along the horizontal direction, the bearing bush assembly is assembled on the left middle part of the rotor assembly and is positioned in a bearing bush installation cavity, the stator assembly is assembled on the right middle part of the rotor assembly and is positioned in a stator installation cavity, the right part of the stator assembly extends out of the air duct shell rightwards, and the fan blade is assembled on the left part of the rotor assembly on the left side of the installation ring in the air duct shell. The utility model has the advantages of reducing resonance, reducing noise and the like.
Description
Technical Field
The utility model belongs to the technical field of motors, and particularly relates to a high-speed brushless motor.
Background
High-speed brushless motor is because the rotational speed is high, and the volume is less than the ordinary motor of power far away, and high-speed brushless motor has cancelled traditional reduction gears, and high-speed brushless motor has motor power density height, and effective material saving, transmission efficiency is high, advantage such as dynamic response is fast, however the electric apparatus that the consumer used in the existing market, high-speed brushless motor that uses on electric apparatus such as fan, hair-dryer, dust catcher still has electromagnetic noise big scheduling problem when high-speed operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-speed brushless motor with low running electromagnetic noise to overcome the defects in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a high speed brushless motor comprising:
the air duct shell is internally provided with a mounting ring coaxially arranged with the air duct shell at the middle right part, a plurality of air guide sheets are uniformly distributed between the outer wall of the mounting ring and the inner wall of the air duct shell, and the left part and the right part in the mounting ring are respectively provided with a bearing sleeve mounting cavity and a stator mounting cavity;
the rotor assembly and the mounting ring are coaxially arranged, the rotor assembly is mounted in the mounting ring along the horizontal direction, the left part of the rotor assembly sequentially extends out of the mounting ring and the air duct shell to the left of the air duct shell to the left, and the right part of the rotor assembly extends to the right of the air duct shell to the right;
a bearing sleeve assembly assembled on a left middle portion of the rotor assembly and located within the bearing sleeve mounting chamber;
the stator assembly is assembled on the right middle part of the rotor assembly and is positioned in the stator mounting cavity, and the right part of the stator assembly extends out of the air duct shell to the right;
and the fan blade is assembled on the left part of the rotor assembly on the left side of the mounting ring in the air duct casing.
Preferably, the rotor subassembly includes motor shaft, location copper sheathing and magnetite, the motor shaft with the setting of installation ring axis is just the motor shaft is installed along the horizontal direction in the installation ring, stretch out left in proper order the left part of motor shaft the installation ring with the wind channel casing extends the left side of wind channel casing, the right part of motor shaft extends right the right side of wind channel casing, the location copper sheathing is installed at motor shaft left side middle part and location copper sheathing and is located bearing housing installation cavity, the magnetite is installed at motor shaft right side middle part and the magnetite is located stator installation cavity, the fan blade is installed on the left part of motor shaft just the fan blade is located the left side of wind channel casing inner collar.
Preferably, the bearing sleeve assembly comprises a first bearing, a second bearing, a first bearing damping sleeve, a second bearing damping sleeve, a first center copper sleeve and a second center copper sleeve, the first bearing damping sleeve is sleeved on the first bearing, the second bearing damping sleeve is sleeved on the second bearing, the first center copper sleeve is sleeved on the first bearing damping sleeve, the second center copper sleeve is sleeved on the second bearing damping sleeve, the first bearing is sleeved on a motor shaft at the left side of the positioning copper sleeve, the right side of the first bearing is in abutting connection with the left side of the positioning copper sleeve, the second bearing is sleeved on a motor shaft at the right side of the positioning bearing, the left side of the second bearing is in abutting connection with the right side of the positioning copper sleeve, the first bearing and the first bearing damping sleeve are positioned in the left middle part of the first center copper sleeve, the second bearing and the second bearing damping sleeve are positioned in the right middle part of the second center through sleeve, the right middle part of the first center copper sleeve is sleeved on the left middle part of the positioning copper sleeve, the left middle part of the second center copper sleeve is sleeved on the right middle part of the positioning copper sleeve, the right side of the first center copper sleeve is connected with the left side of the second center copper sleeve in an abutting mode, and the first center copper sleeve and the second center copper sleeve are both located in the bearing sleeve installation cavity.
Preferably, stator module moulds frame, power strip plug-in components, a plurality of electrically conductive needle and a plurality of coil winding including the package, the package is moulded and is equipped with the winding stator on the outer wall of frame, and a plurality of coil winding coiling is in the outside of winding stator, a plurality of electrically conductive needle is pegged graft and is moulded on the right part of frame and a plurality of electrically conductive needle the right part of a plurality of electrically conductive needle extends the right side that the frame was moulded to the package right side, and the power strip plug-in components is located the right side of a plurality of electrically conductive needle and the right part welding of a plurality of electrically conductive needle on the power strip plug-in components, the package is moulded frame and a plurality of coil winding assembly and is just in the stator installation cavity the right part of frame and a plurality of coil winding is moulded to the right side of wind channel casing, the frame cover is moulded to the package and is established on the magnetite.
Preferably, the first bearing damping sleeve and the second bearing damping sleeve are made of a silica gel material, and the first central copper sleeve and the second central copper sleeve are made of a brass material.
By adopting the technical scheme, the utility model has the following beneficial effects:
(1) the utility model is provided with a bearing sleeve assembly, the bearing sleeve assembly comprises a first bearing, a second bearing, a first bearing damping sleeve, a second bearing damping sleeve, a first center copper sleeve, a second center copper sleeve and other parts, the first bearing damping sleeve and the second bearing damping sleeve are made of silica gel materials, the bearing sleeve has high temperature resistance and wear resistance, has automatic core adjustment and vibration reduction functions, and can also respectively provide axial pre-pressure for the first bearing and the second bearing, reduce the resonance phenomenon generated by the parts such as a motor shaft and the like when the bearing sleeve assembly runs at high speed, and effectively reduce noise;
(2) the first central copper sleeve and the second central copper sleeve guarantee concentricity, the axial pressure of the first central copper sleeve and the axial pressure of the second central copper sleeve are consistent with that of the first bearing and the second bearing, the first bearing and the second bearing can be effectively protected, and noise is reduced;
in conclusion, the utility model has the advantages of reducing resonance, reducing noise and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a cross-sectional view of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the high-speed brushless motor of the present invention includes:
the wind channel comprises a wind channel shell 1, wherein an installation ring 2 which is coaxial with the wind channel shell 1 is arranged at the middle right part in the wind channel shell 1, a plurality of wind guide sheets 3 are uniformly distributed between the outer wall of the installation ring 2 and the inner wall of the wind channel shell 1, the wind guide sheets 3 are arc-shaped to ensure smooth outflow of wind, and a bearing sleeve installation cavity and a stator installation cavity are respectively arranged at the left part and the right part in the installation ring 2;
the rotor assembly and the mounting ring 2 are coaxially arranged, the rotor assembly is mounted in the mounting ring 2 along the horizontal direction, the left part of the rotor assembly sequentially extends out of the mounting ring 2 and the air duct casing 1 to the left side of the air duct casing 1, and the right part of the rotor assembly extends to the right side of the air duct casing 1;
a bearing sleeve assembly assembled on a left middle portion of the rotor assembly and located within the bearing sleeve mounting chamber;
the stator assembly is assembled on the right middle part of the rotor assembly and is positioned in the stator mounting cavity, and the right part of the stator assembly extends out of the air duct shell 1 to the right;
the fan blade 4 is designed to be a fan blade curved surface, the number of the fan blades can be 11-15, and the fan blades can be in different angles so as to be matched with different air quantities.
The rotor component comprises a motor shaft 5, a positioning copper sleeve 6 and a magnet 7, wherein the left middle part and the right middle part of the motor shaft 5 are respectively provided with a positioning copper sleeve 6 mounting groove and a magnet 7 mounting groove which are respectively used for positioning and mounting the positioning copper sleeve 6 and the magnet 7, the motor shaft 5 and the mounting ring 2 are axially arranged, the motor shaft 5 is horizontally arranged in the mounting ring 2, the left part of the motor shaft 5 sequentially extends out of the mounting ring 2 and the air duct casing 1 to the left and extends to the left side of the air duct casing 1, the right part of the motor shaft 5 extends to the right side of the air duct casing 1, the positioning copper bush 6 is arranged in the middle of the left part of the motor shaft 5, the positioning copper bush 6 is positioned in the bearing bush mounting cavity, magnet 7 is installed at 5 right middle parts of motor shaft and magnet 7 is located the stator installation cavity indoor, just fan blade 4 is installed on 5 left parts of motor shaft and fan blade 4 is located the left side of air duct casing 1 interior collar 2.
The bearing sleeve assembly comprises a first bearing 8, a second bearing 9, a first bearing damping sleeve 10, a second bearing damping sleeve 11, a first center copper sleeve 12 and a second center copper sleeve 13, wherein the first bearing damping sleeve 10 and the second bearing damping sleeve 11 are made of high-temperature-resistant and wear-resistant materials such as silica gel materials, have automatic core adjustment and vibration reduction functions, and can respectively provide axial pre-pressure for the first bearing 8 and the second bearing 9, so that the resonance phenomenon generated by parts such as a motor shaft 5 and the like during high-speed operation of the bearing assembly is reduced, the noise is effectively reduced, the first center copper sleeve 12 and the second center copper sleeve 13 are both made of brass materials and are formed by finish machining through a numerical control lathe, the concentricity of the bearing assembly is ensured, the first center copper sleeve 12 and the second center copper sleeve 13 respectively have consistency with the axial pressure of the first bearing 8 and the axial pressure of the second bearing 9, so that the first bearing 8 and the second bearing 9 can be respectively and effectively protected, noise is reduced, a first bearing damping sleeve 10 is sleeved on a first bearing 8, a second bearing damping sleeve 11 is sleeved on a second bearing 9, a first center copper sleeve 12 is sleeved on the first bearing damping sleeve 10, a second center copper sleeve 13 is sleeved on the second bearing damping sleeve 11, the first bearing 8 is sleeved on a motor shaft 5 on the left side of a positioning copper sleeve 6, the right side of the first bearing 8 is in contact connection with the left side of the positioning copper sleeve 6, the second bearing 9 is sleeved on the motor shaft 5 on the right side of the positioning bearing, the left side of the second bearing 9 is in contact connection with the right side of the positioning copper sleeve 6, the first bearing 8 and the first bearing damping sleeve 10 are positioned in the left middle part of the first center copper sleeve 12, the second bearing 9 and the second bearing damping sleeve 11 are positioned in the right middle part of a second center through sleeve, the right middle part of the first center copper sleeve 12 is sleeved on the left middle part of the positioning copper sleeve 6, the left middle part of the second center copper sleeve 13 is sleeved on the right middle part of the positioning copper sleeve 6, the right side of first center copper sheathing 12 is contradicted with the left side of second center copper sheathing 13 and is connected and first center copper sheathing 12 and second center copper sheathing 13 all are located bearing housing installation cavity.
The stator assembly comprises a plastic-coated frame 14, a power panel plug-in 15, a plurality of conductive pins 16 and a plurality of coil windings 17, wherein the outer wall of the plastic-coated frame 14 is provided with the winding stator 18, the winding stator 18 is formed by stamping and riveting steel, injection molding is carried out in a plastic mould, the winding stator 18 is provided with 6 slots and 2 poles, the coil windings 17 are wound on the outer side of the winding stator 18, namely the coil windings 17 are wound and assembled on the outer side of the winding stator 18, the conductive pins 16 are inserted into the right part of the plastic-coated frame 14, the right parts of the conductive pins 16 extend to the right side of the plastic-coated frame 14, the power panel plug-in 15 is positioned on the right side of the conductive pins 16, the right parts of the conductive pins 16 are welded on the power panel plug-in 15, the plastic-coated frame 14 and the coil windings 17 are assembled in a stator mounting cavity, and the right parts of the plastic-coated frame 14 and the coil windings 17 extend to the air duct right side The plastic-coated frame 14 is sleeved on the magnet 7 on the right side of the casing 1, so that the motor shaft 5 can rotate at a high speed to drive the fan blades 4 to rotate at a high speed so as to meet the requirement of the market on a high-speed rotating motor, and the motor has the advantages of high rotating speed and low noise.
The first bearing damping sleeve 10 and the second bearing damping sleeve 11 are made of a silica gel material, and the first central copper sleeve 12 and the second central copper sleeve 13 are made of a brass material.
The assembly steps of the utility model are specifically as follows:
(1) taking a motor shaft 5 and a positioning copper bush 6, and then assembling the positioning copper bush 6 on the left middle part of the motor shaft 5;
(2) taking a first bearing 8, a second bearing 9, a first bearing damping sleeve 10, a second bearing damping sleeve 11, a first center copper sleeve 12 and a second center copper sleeve 13, then assembling the first bearing 8 on a motor shaft 5 on the left side of a positioning copper sleeve 6 and enabling the right side of the first bearing 8 to be abutted against the left side of the positioning copper sleeve 6, assembling the second bearing 9 on the motor shaft 5 on the right side of the positioning copper sleeve 6 and enabling the left side of the second bearing to be abutted against the right side of the positioning copper sleeve 6, then sleeving the first bearing damping sleeve 10 on the first bearing 8, sleeving the second bearing damping sleeve 11 on the second bearing 9, sleeving the first center copper sleeve 12 on the first bearing damping sleeve 10, sleeving the second center copper sleeve 13 on the second bearing damping sleeve 11 and enabling the right side of the first center copper sleeve 12 to be abutted against the left side of the second center copper sleeve 13;
(3) taking an air duct shell 1, and assembling a motor shaft 5 in a mounting ring 2 of the air duct shell 1 coaxially, so that a first central copper bush 12 and a second central copper bush 13 are both positioned in a bearing bush mounting cavity;
(4) taking a magnet 7, assembling the magnet 7 on the right middle part of a motor shaft 5, then taking a plastic-coated frame 14 provided with a winding stator 18, winding a coil winding 17 on the outer side of the winding stator 18 on the plastic-coated frame 14, and then taking a plurality of conductive pins 16, assembling on the right part of the plastic-coated frame 14 and wiring;
(5) assembling a plastic-coated frame 14 on the magnet 7 at the right middle part of the motor shaft 5 and assembling the left middle part of the plastic-coated frame 14 in the stator mounting cavity;
(6) taking a fan blade 4 and assembling the fan blade 4 on the left part of a motor shaft 5;
(7) and taking the power board plug-in 15, and welding the right parts of the plurality of conductive pins 16 on the power board plug-in 15 to finish the assembly.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (5)
1. A high speed brushless motor, comprising:
the air duct shell is internally provided with a mounting ring coaxially arranged with the air duct shell at the middle right part, a plurality of air guide sheets are uniformly distributed between the outer wall of the mounting ring and the inner wall of the air duct shell, and the left part and the right part in the mounting ring are respectively provided with a bearing sleeve mounting cavity and a stator mounting cavity;
the rotor assembly and the mounting ring are coaxially arranged, the rotor assembly is mounted in the mounting ring along the horizontal direction, the left part of the rotor assembly sequentially extends out of the mounting ring and the air duct shell to the left of the air duct shell to the left, and the right part of the rotor assembly extends to the right of the air duct shell to the right;
a bearing sleeve assembly assembled on a left middle portion of the rotor assembly and located within the bearing sleeve mounting chamber;
the stator assembly is assembled on the right middle part of the rotor assembly and is positioned in the stator mounting cavity, and the right part of the stator assembly extends out of the air duct shell to the right; and
and the fan blade is assembled on the left part of the rotor assembly on the left side of the mounting ring in the air duct casing.
2. The high speed brushless electric machine of claim 1, wherein: the rotor subassembly includes motor shaft, location copper sheathing and magnetite, the motor shaft with the setting of installation ring axis is just the motor shaft is installed along the horizontal direction in the installation ring, stretch out in proper order left the left part of motor shaft the installation ring with the wind channel casing extends the left side of wind channel casing, the right part of motor shaft extends right the right side of wind channel casing, the location copper sheathing is installed at motor shaft left side middle part and location copper sheathing and is located the bearing housing installation cavity, the magnetite is installed at motor shaft right side middle part and the magnetite is located the stator installation cavity indoor, the fan blade is installed on the left part of motor shaft just the fan blade is located the left side of installation ring in the wind channel casing.
3. The high speed brushless electric machine of claim 2, wherein: the bearing sleeve assembly comprises a first bearing, a second bearing, a first bearing damping sleeve, a second bearing damping sleeve, a first center copper sleeve and a second center copper sleeve, the first bearing damping sleeve is sleeved on the first bearing, the second bearing damping sleeve is sleeved on the second bearing, the first center copper sleeve is sleeved on the first bearing damping sleeve, the second center copper sleeve is sleeved on the second bearing damping sleeve, the first bearing is sleeved on a motor shaft at the left side of the positioning copper sleeve, the right side of the first bearing is in abutting connection with the left side of the positioning copper sleeve, the second bearing is sleeved on a motor shaft at the right side of the positioning bearing, the left side of the second bearing is in abutting connection with the right side of the positioning copper sleeve, the first bearing and the first bearing damping sleeve are positioned in the left middle part of the first center copper sleeve, the second bearing and the second bearing damping sleeve are positioned in the right middle part of the second center through sleeve, the right middle part of the first center copper sleeve is sleeved on the left middle part of the positioning copper sleeve, the left middle part of the second center copper sleeve is sleeved on the right middle part of the positioning copper sleeve, the right side of the first center copper sleeve is connected with the left side of the second center copper sleeve in an abutting mode, and the first center copper sleeve and the second center copper sleeve are both located in the bearing sleeve installation cavity.
4. A high speed brushless electric machine according to claim 3, characterized in that: stator module moulds frame, power strip plug-in components, a plurality of electrically conductive needle and a plurality of coil winding including the package, the package is moulded and is equipped with the winding stator on the outer wall of frame, and a plurality of coil winding coiling is in the outside of winding stator, a plurality of electrically conductive needle is pegged graft and is moulded on the right part of frame in the package just the right part of a plurality of electrically conductive needle extends the right side that the frame was moulded to the package right side, and the power strip plug-in components is located the right side of a plurality of electrically conductive needle and the right part welding of a plurality of electrically conductive needle on the power strip plug-in components, the package is moulded frame and a plurality of coil winding assembly and is just in the stator installation cavity the right part of frame and a plurality of coil winding extends right side the right side of wind channel casing is moulded to the package, the frame cover is established on the magnetite to the package.
5. The high speed brushless electric machine of claim 4, wherein: the first bearing damping sleeve and the second bearing damping sleeve are made of silica gel materials, and the first center copper sleeve and the second center copper sleeve are made of brass materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122993828.XU CN216312828U (en) | 2021-11-30 | 2021-11-30 | High-speed brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122993828.XU CN216312828U (en) | 2021-11-30 | 2021-11-30 | High-speed brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216312828U true CN216312828U (en) | 2022-04-15 |
Family
ID=81082118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122993828.XU Active CN216312828U (en) | 2021-11-30 | 2021-11-30 | High-speed brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216312828U (en) |
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2021
- 2021-11-30 CN CN202122993828.XU patent/CN216312828U/en active Active
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