CN116707245A - Assembling method applied to magnetic isolation outer rotor motor of ceiling fan - Google Patents
Assembling method applied to magnetic isolation outer rotor motor of ceiling fan Download PDFInfo
- Publication number
- CN116707245A CN116707245A CN202310654793.8A CN202310654793A CN116707245A CN 116707245 A CN116707245 A CN 116707245A CN 202310654793 A CN202310654793 A CN 202310654793A CN 116707245 A CN116707245 A CN 116707245A
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- Prior art keywords
- magnetic
- chip
- magnetic ring
- butt joint
- upper shell
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- 238000002955 isolation Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005389 magnetism Effects 0.000 claims abstract description 67
- 210000001503 joint Anatomy 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 13
- 239000002390 adhesive tape Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 abstract description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- QPNXKSSEOGJNNR-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] 2,2,3,3-tetraphenylpropanoate Chemical compound C1(=CC=CC=C1)C(C(C(=O)OCC(CO)(CO)CO)(C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=CC=C1 QPNXKSSEOGJNNR-UHFFFAOYSA-N 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 4
- 239000000347 magnesium hydroxide Substances 0.000 description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 1
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- 229920001778 nylon Polymers 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses an assembly method applied to a magnetic isolation outer rotor motor of a ceiling fan, which can plug a butt joint gap through a magnetic isolation piece, reduce magnetic leakage of the outer rotor motor from the butt joint gap, reduce the influence of the motor on the outside and reduce the magnetism of the motor for adsorbing other metal materials; in addition, the magnetism isolating piece conceals and shields the butt joint gap so as to improve the integrity of the outer rotor motor and enable the outer structure of the motor to be neat, and meanwhile, the magnetism isolating piece is sleeved on the outer sides of the upper shell and the lower shell, so that the magnetism isolating piece can be conveniently detached and replaced.
Description
[ field of technology ]
The invention relates to the technical field of motors, in particular to an assembly method applied to a magnetic isolation outer rotor motor of a ceiling fan.
[ background Art ]
A typical motor includes a stator assembly and a rotor assembly, and the structure of the motor is not identical depending on the use conditions. The stator assembly of the motor for the ceiling fan comprises a stator shaft, the stator assembly is fixedly connected to the ceiling through the stator shaft, the rotor assembly comprises an upper shell, a lower shell in butt joint with the upper shell and permanent magnets arranged on the inner sides of the upper shell and the lower shell, and the upper shell, the lower shell and the permanent magnets are arranged on the stator shaft in a rotating mode as a whole.
However, in the process of butt-joint and matching of the upper shell and the lower shell of the motor for the ceiling fan, a butt-joint gap exists between the upper shell and the lower shell, so that unavoidable magnetic leakage exists, and the permanent magnet utilization rate of the motor is lower; external dust can enter the inner side of the motor from the butt joint gap to influence parts on the inner side of the motor, and the performance of the motor is influenced.
The present invention has been made in view of the above problems.
[ invention ]
The invention aims to overcome the defects of the prior art, and provides an assembly method applied to a magnetic isolation outer rotor motor of a ceiling fan, which can solve the problems in the prior art, and the magnetic isolation piece can be used for plugging a butt joint gap, reducing the magnetic leakage of the outer rotor motor from the butt joint gap, reducing the influence of the motor on the outside and reducing the magnetism of the motor for adsorbing other metal materials; in addition, the magnetism isolating piece conceals and shields the butt joint gap so as to improve the integrity of the outer rotor motor and enable the outer structure of the motor to be neat, and meanwhile, the magnetism isolating piece is sleeved on the outer sides of the upper shell and the lower shell, so that the magnetism isolating piece can be conveniently detached and replaced.
The invention is realized by the following technical scheme:
the assembly method applied to the magnetism-isolating outer rotor motor of the ceiling fan comprises a motor shaft 1, wherein a stator assembly 2 is relatively fixedly connected to the motor shaft 1, and a rotor assembly 3 is rotatably arranged on the motor shaft 1; the rotor assembly 3 comprises a magnetic ring bracket 31 rotatably arranged outside the stator assembly 2, a plurality of magnetic shoes 32 arranged on the magnetic ring bracket 31, an upper shell 33 and a lower shell 34 which are all rotatably arranged on the motor shaft 1, wherein the upper shell 33 and the lower shell 34 are all in synchronous connection with the magnetic ring bracket 31, and the magnetic ring bracket 31 is positioned inside the upper shell 33 and the lower shell 34; a magnetic isolation piece 4 for wrapping and sealing a butt joint gap 35 between the upper shell 33 and the lower shell 34 is sleeved between the outer walls of the upper shell 33 and the lower shell 34;
or a magnetism isolating piece 4 for blocking the butt joint gap 35 is arranged at the butt joint gap 35 between the upper shell 33 and the lower shell 34;
the method also comprises the following steps:
a1, sleeving a magnetism isolating piece, wherein the magnetism isolating piece is a heat shrinkage pipe with magnetism isolating function, and sleeving the heat shrinkage pipe on the outer wall of the upper shell and the outer wall of the lower shell of the assembled motor so that a butt joint gap is positioned at the inner side of the heat shrinkage pipe;
b1, heating and shrinking the heat shrinkage pipe, and performing heating treatment on the heat shrinkage pipe in a heating mode, so that the heat shrinkage pipe shrinks and is fixedly sleeved on the outer wall of the upper shell and the outer wall of the lower shell, and further the butt joint gap is sealed by the heat shrinkage pipe;
or further comprises the following steps:
a2, winding a magnetism isolating piece, wherein the magnetism isolating piece is an adhesive tape with magnetism isolating function, and the adhesive tape is wound and adhered on the outer wall of the upper shell and the outer wall of the lower shell of the assembled motor, so that the butt joint gap is sealed by the adhesive tape;
or further comprises the following steps:
and A3, pouring the magnetism isolating piece, wherein the magnetism isolating piece is glue with magnetism isolating function, and the glue is poured into a butt joint gap of the assembled motor, so that the butt joint gap is sealed.
As described above, the magnetism isolating member 4 includes an annular sleeve portion 41 for being simultaneously sleeved on the outer wall of the upper casing 33 and the outer wall of the lower casing 34, and a sealing portion 42 for sealing the butt joint gap 35 is provided on the inner wall of the annular sleeve portion 41.
As described above, the sealing portion 42 is located in the abutting gap 35, the upper surface of the sealing portion 42 abuts against the port edge of the upper housing 33, the lower surface of the sealing portion 42 abuts against the port edge of the lower housing 34, and the port edge of the upper housing 33 cooperates with the port edge of the lower housing 34 to compress the sealing portion 42.
The assembling method for the magnetism isolating outer rotor motor of the ceiling fan is characterized in that the magnetism isolating piece 4 is integrally formed by injection molding of magnetism isolating plastic materials.
As described above, the chip-proof cover 5 is disposed between the upper casing 33 or the lower casing 34 and the magnetic ring support 31, the chip-proof cover 5 is provided with a clamping position 541 capable of being clamped with the magnetic ring support 31 to enable the chip-proof cover 5 to be connected with the magnetic ring support 31 in a same way, and the chip-proof cover 5 is configured to be pressed by the upper casing 33 and the magnetic ring support 31 or by the lower casing 34 and the magnetic ring support 31.
As described above, the chip guard 5 includes an annular connecting portion 52 disposed parallel to the upper surface of the magnetic ring bracket 31, an upper chip preventing portion 51 is formed by extending upward from the inner edge of the annular connecting portion 52, the upper end of the upper chip preventing portion 51 can be in abutting engagement with the inner wall of the upper housing 33, a side chip preventing portion 53 is formed by extending downward from the outer edge of the annular connecting portion 52, the center of the side chip preventing portion 53 and the center of the upper chip preventing portion 51 are on the same axis, an abutting portion 54 capable of abutting engagement with the surface of the magnetic ring bracket 31 is formed by extending outward from the lower edge of the side chip preventing portion 53, the abutting portion 54 is disposed parallel to the annular connecting portion 52, and the clamping portion 541 is disposed on the abutting portion 54.
The assembling method for the magnetic isolation outer rotor motor of the ceiling fan is as described above, wherein the magnetic ring bracket 31 is provided with the connecting rod sleeve 311 which extends outwards from the surface of the magnetic ring bracket 31; the clamping position 541 is a clamping notch which is arranged on the chip-proof cover 5 and is matched with the outer wall of the connecting rod sleeve 311 in a clamping way.
The above-mentioned assembly method for the magnetism-isolating outer rotor motor of the ceiling fan, wherein the chip-proof cover 5 is made of plastic material and is in an integrally formed integral structure.
The assembly method for the magnetic isolation outer rotor motor of the ceiling fan is as described above, and the magnetic ring bracket 31 is made of plastic material; the magnetic shoes 32 are circumferentially distributed on the magnetic ring bracket 31 and are integrally injection-molded with the magnetic ring bracket 31 to form a whole, and a connecting rod sleeve 311 for aligning and connecting with the mounting holes of the upper shell 33 and the lower shell 34 is arranged on the magnetic ring bracket 31 and between two adjacent magnetic shoes 32.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the magnetic isolation piece for wrapping and sealing the butt joint gap between the upper shell and the lower shell is sleeved between the outer wall of the upper shell and the outer wall of the lower shell, namely the butt joint gap is plugged by the magnetic isolation piece, so that the magnetic leakage of the outer rotor motor from the butt joint gap can be reduced, the influence of the motor on the outside can be reduced, and the magnetism of the motor for adsorbing other metal materials can be reduced; meanwhile, the magnetism isolating piece is arranged externally, so that a worker can conveniently detach and replace the magnetism isolating piece; in addition, the magnetism isolating piece conceals and shields the butt joint gap, so that the integrity of the outer rotor motor can be improved, and the outer structure of the motor is neat.
2. The magnetism isolating piece comprises an annular sleeving part which is used for sleeving the outer wall of the upper shell and the outer wall of the lower shell simultaneously, and a sealing part which is used for sealing the butt joint gap is arranged on the inner wall of the annular sleeving part, so that the butt joint gap can be sealed better, and the magnetism leakage of the outer rotor motor from the butt joint gap can be reduced.
3. A chip-proof cover is arranged between the upper shell or the lower shell and the magnetic ring bracket, and a clamping position which can be clamped with the magnetic ring bracket to ensure that the chip-proof cover is connected with the magnetic ring bracket in a same way can prevent the chip-proof cover from rotating relative to the magnetic ring bracket, so that the chip-proof cover has a limiting and positioning effect; in addition, the chip-proof cover is configured to be pressed by the upper shell and the magnetic ring support or pressed by the lower shell and the magnetic ring support, so that the chip-proof cover can be prevented from moving downwards or upwards along the axial direction and moving along the radial direction, namely, only the chip-proof cover is required to be arranged between the magnetic ring support and the upper shell, and the problems that in the prior art, the chip-proof cover is difficult to assemble and disassemble and high in installation cost due to the fact that an external fastener (screw) is required to be used for fixing the chip-proof cover on the outer rotor motor are solved.
4. The magnetic ring bracket is made of plastic materials; the plurality of magnetic shoes are circumferentially distributed on the magnetic ring support and are integrally formed by injection molding with the magnetic ring support, a connecting rod sleeve used for being aligned and connected with the mounting holes of the upper shell and the lower shell is arranged on the magnetic ring support and between two adjacent magnetic shoes, the plurality of magnetic shoes are fixed by the magnetic ring support, all the magnetic shoes and the magnetic ring support are integrally formed by injection molding, so that the positioning accuracy of the magnetic shoes is ensured, the mounting procedure of the magnetic shoes is reduced, and the problems of difficult mounting and positioning and complex assembly of the magnetic shoes in the prior art are solved; in addition, the connecting rod sleeve can play a role in separating adjacent magnetic shoes, so that the magnetic shoes are ensured not to interfere with each other, and the problem that the magnetic shoes are broken due to interference of the adjacent magnetic shoes in the prior art is solved.
5 an assembly method applied to a magnetic isolation outer rotor motor of a ceiling fan only needs to assemble a magnetic isolation piece on the existing motor structure, so that the magnetic leakage of the outer rotor motor from a butt joint gap can be reduced better, and the magnetism of the motor for adsorbing other metal materials is reduced.
[ description of the drawings ]
The invention is described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is a perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an enlarged schematic view of a in fig. 2.
Fig. 4 is an exploded view of the present invention.
Fig. 5 is a schematic structural view of the chip guard according to the present invention.
[ detailed description ] of the invention
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-5, the assembly method for the magnetic isolation outer rotor motor of the ceiling fan comprises a motor shaft 1, wherein a stator assembly 2 is relatively fixedly connected to the motor shaft 1, and a rotor assembly 3 is rotatably arranged on the motor shaft 1; the rotor assembly 3 comprises a magnetic ring bracket 31 rotatably arranged outside the stator assembly 2, a plurality of magnetic shoes 32 arranged on the magnetic ring bracket 31, an upper shell 33 and a lower shell 34 which are all rotatably arranged on the motor shaft 1, wherein the upper shell 33 and the lower shell 34 are all in synchronous connection with the magnetic ring bracket 31, and the magnetic ring bracket 31 is positioned inside the upper shell 33 and the lower shell 34; the magnetic isolation piece 4 for wrapping and sealing the butt joint gap 35 between the upper shell 33 and the lower shell 34 is sleeved between the outer wall of the upper shell 33 and the outer wall of the lower shell 34, namely the butt joint gap is plugged by the magnetic isolation piece, so that the magnetic leakage of the outer rotor motor from the butt joint gap can be reduced, the influence of the motor on the outside and the magnetism of the motor for adsorbing other metal materials can be reduced, and the permanent magnet utilization rate of the outer rotor motor can be ensured; the magnetic isolation piece can be conveniently detached and replaced by a worker; in addition, the magnetism isolating piece conceals and shields the butt joint gap, so that the integrity of the outer rotor motor can be improved, the outer structure of the motor is neat, and external dust is prevented from entering the inner side of the motor from the butt joint gap.
In other embodiments, a magnetic shielding member 4 for blocking the butt joint gap 35 is provided at the butt joint gap 35 between the upper case 33 and the lower case 34.
As shown in fig. 1-4, the magnetism isolating member 4 includes an annular sleeving part 41 for sleeving the outer wall of the upper casing 33 and the outer wall of the lower casing 34 simultaneously, and a sealing part 42 for sealing the butt joint gap 35 is provided on the inner wall of the annular sleeving part 41, so that the butt joint gap can be sealed better to reduce the magnetic leakage of the outer rotor motor from the butt joint gap.
As shown in fig. 2 and 3, the sealing portion 42 is located in the butt joint gap 35, the upper surface of the sealing portion 42 abuts against the port edge of the upper housing 33, the lower surface of the sealing portion 42 abuts against the port edge of the lower housing 34, and the port edge of the upper housing 33 cooperates with the port edge of the lower housing 34 to tightly press the sealing portion 42, so that the butt joint gap can be sealed better to reduce magnetic leakage of the outer rotor motor from the butt joint gap, and in addition, the magnetic isolation member can be connected with the upper housing or the lower housing more firmly and reliably.
The magnetism isolating member 4 is integrally injection molded from magnetism isolating plastic material, such as glass fiber reinforced plastic (glass fiber reinforced plastic) and the like.
In order to further reduce the magnetic leakage of the outer rotor motor from the butt joint gap, the magnetism isolating piece 4 is made of non-magnetic conductive materials, such as iron cobalt nickel and the like.
In order to further reduce the magnetic leakage of the outer rotor motor from the butt joint gap and reduce the production and manufacturing cost and assembly steps, the magnetism isolating piece 4 is integrally injection molded by a non-magnetic conductive plastic material, such as PPR or PE or polyolefin or PVC or PET. The magnetism isolating piece 4 made of PPR material has the characteristics of environmental protection, high temperature resistance, corrosion resistance and long service life. The magnetism isolating piece 4 made of polyolefin material has the characteristics of softness, flame retardance, insulation and corrosion resistance.
As shown in fig. 2, 4 and 5, a chip-preventing cover 5 is disposed between the upper casing 33 or the lower casing 34 and the magnetic ring bracket 31, and a clamping position 541 capable of being clamped with the magnetic ring bracket 31 to enable the chip-preventing cover 5 to be connected with the magnetic ring bracket 31 in a same way is disposed on the chip-preventing cover 5, so that the chip-preventing cover can be prevented from rotating relative to the magnetic ring bracket, and the chip-preventing cover has the functions of limiting and positioning; the chip-proof cover 5 is configured to be pressed by the upper shell 33 and the magnetic ring bracket 31 or pressed by the lower shell 34 and the magnetic ring bracket 31, so that the chip-proof cover can be prevented from moving downwards or upwards along the axial direction and can be prevented from moving along the radial direction, namely, only the chip-proof cover is required to be arranged between the magnetic ring bracket and the upper shell, and the problems that in the prior art, an external fastener (screw) is required to be adopted to fix the chip-proof cover on the outer rotor motor, so that the dismounting and mounting cost are difficult are solved, and the invention has the characteristics of convenience in dismounting, low mounting cost and few mounting steps.
As shown in fig. 2, 4 and 5, in order to improve the structural strength and the chip-preventing effect, the chip-preventing cover 5 includes an annular connecting portion 52 disposed parallel to the upper surface of the magnetic ring bracket 31, an upper chip-preventing portion 51 is formed by extending upward from the inner edge of the annular connecting portion 52, the upper end of the upper chip-preventing portion 51 can be in abutting engagement with the inner wall of the upper housing 33, a side chip-preventing portion 53 is formed by extending downward from the outer edge of the annular connecting portion 52, the center of the side chip-preventing portion 53 and the center of the upper chip-preventing portion 51 are on the same axis, an abutting portion 54 capable of being in abutting engagement with the surface of the magnetic ring bracket 31 is formed by extending outward from the lower edge of the side chip-preventing portion 53, the abutting portion 54 is disposed parallel to the annular connecting portion 52, and the clamping position 541 is disposed on the abutting portion 54.
As shown in fig. 2, 4 and 5, in order to improve the structural strength and stability of the chip-preventing cover, a plurality of reinforcing ribs 511 extending in the axial direction are circumferentially provided on the outer wall of the upper chip-preventing portion 51 at intervals, and/or a plurality of reinforcing ribs 511 extending in the radial direction are circumferentially provided on the upper surface of the annular connecting portion 52 at intervals.
As shown in fig. 2, 4 and 5, the cross section of the side chip-preventing part 53 is provided in a stepped structure in order to improve the structural strength and stability of the chip-preventing cover.
As shown in fig. 2, 4 and 5, in order to improve the structural strength and stability of the chip-preventing cover, the upper chip-preventing portion 51, the annular connecting portion 52, the side chip-preventing portion 53 and the abutting portion 54 are connected perpendicularly to each other.
As shown in fig. 4 and 5, in order to improve the assembly efficiency and the connection stability, the magnetic ring bracket 31 is provided with a connecting rod sleeve 311 extending outwards from the surface of the magnetic ring bracket 31; the clamping position 541 is a clamping notch which is arranged on the chip-proof cover 5 and is matched with the outer wall of the connecting rod sleeve 311 in a clamping way. In addition, the clamping notch is matched with the outer wall of the connecting rod sleeve 311 in a clamping way, so that the positioning and guiding functions of the chip-proof cover are achieved, and the chip-proof cover is convenient for workers to install.
In order to reduce the manufacturing cost and assembly steps, the chip-proof cover 5 is made of plastic materials and is in an integrally formed integral structure. Preferably, the chip-proof cover is made of nylon and the like, so that the chip-proof cover can be ensured to have good heat resistance, wear resistance and self-lubricating property, the chip-proof cover is prevented from being directly and rigidly contacted with the magnetic ring bracket or the upper shell for wearing, the service life of the outer rotor motor is influenced, and the maintenance and replacement cost is reduced.
The magnetic ring bracket 31 is made of plastic material; the plurality of magnetic shoes 32 are circumferentially distributed on the magnetic ring bracket 31 and are integrally formed into a whole by injection molding with the magnetic ring bracket 31, and a connecting rod sleeve 311 for aligning and connecting with the mounting holes of the upper shell 33 and the lower shell 34 is arranged on the magnetic ring bracket 31 and between two adjacent magnetic shoes 32; the magnetic ring bracket is used for fixing a plurality of magnetic shoes, and all the magnetic shoes and the magnetic ring bracket are integrally injection molded, so that the positioning accuracy of the magnetic shoes is ensured, the installation procedure of the magnetic shoes is reduced, and the problems of difficult installation and positioning and complex assembly of the magnetic shoes in the prior art are solved; in addition, the connecting rod sleeve can play a role in separating adjacent magnetic shoes, so that the magnetic shoes are ensured not to interfere with each other, and the problem that the magnetic shoes are broken due to interference of the adjacent magnetic shoes in the prior art is solved.
As shown in fig. 4, the upper end and the lower end of the connecting rod sleeve 311 respectively protrude upward and downward from the surface of the magnetic ring bracket 31, so that the upper end surface of the connecting rod sleeve 311 is higher than the upper end surface of the magnetic shoe 32, and the lower end surface of the connecting rod sleeve 311 is lower than the lower end surface of the magnetic shoe 32, so that the magnetic shoe is prevented from being broken due to rigid contact between the upper end of the magnetic shoe and the inner wall of the upper shell, and between the lower end of the magnetic shoe and the inner wall of the lower shell, thereby protecting the magnetic shoe and prolonging the service life.
As shown in fig. 4, the magnetic ring bracket 31 includes at least one annular portion 312, a plurality of vertical ribs are uniformly distributed on the circumference of the annular portion 312, a receiving space for receiving one magnetic shoe 32 is formed between two adjacent vertical ribs, the receiving space can partially or completely wrap two sides of the corresponding magnetic shoe 32, and the connecting rod sleeve 311 is formed by the vertical ribs. The magnetic ring bracket 31 has a very simple wrapping structure on the magnetic shoe, and can fix the magnetic shoe with a small glue injection amount, thereby reducing the cost.
The invention relates to an assembling method applied to a magnetism isolating outer rotor motor of a ceiling fan, which is used for assembling magnetism isolating pieces and comprises the following steps:
a1, sleeving a magnetism isolating piece, wherein the magnetism isolating piece is a heat shrinkage pipe with magnetism isolating function, and sleeving the heat shrinkage pipe on the outer wall of the upper shell and the outer wall of the lower shell of the assembled motor so that a butt joint gap is positioned at the inner side of the heat shrinkage pipe;
b1, heating and shrinking the heat shrinkage pipe, and heating the heat shrinkage pipe in a heating mode, so that the heat shrinkage pipe shrinks and is fixedly sleeved on the outer wall of the upper shell and the outer wall of the lower shell, and further the heat shrinkage pipe seals the butt joint gap. In the method, the heat shrinkage pipe can be shrunk by an alcohol lamp, an industrial hot air gun, a gas spray gun and the like. Wherein the heat-shrinkable tube comprises ethylene-vinyl acetate copolymer, magnesium hydroxide, red phosphorus, pentaerythritol tetraphenylpropionate, carbon black and printing ink; the heat-shrinkable tube is prepared from the following components in parts by weight: 40-60 parts of ethylene-vinyl acetate copolymer, 30-50 parts of magnesium hydroxide, 1-8 parts of red phosphorus, 0.2-2 parts of pentaerythritol tetraphenylpropionate, 1-10 parts of carbon black and 0.1-2 parts of ink, and can better reduce the magnetic leakage of an outer rotor motor from a butt joint gap, thereby reducing the magnetism of the motor for adsorbing other metal materials.
Preferably, the heat-shrinkable tube is prepared from the following components in parts by weight: 46 parts of ethylene-vinyl acetate copolymer, 33 parts of magnesium hydroxide, 3 parts of red phosphorus, 0.8 part of pentaerythritol tetraphenylpropionate, 2 parts of carbon black and 0.5 part of ink. Or the heat-shrinkable tube is prepared according to the following weight ratio: 51 parts of ethylene-vinyl acetate copolymer, 35 parts of magnesium hydroxide, 4 parts of red phosphorus, 1 part of pentaerythritol tetraphenylpropionate, 4 parts of carbon black and 0.8 part of ink.
The invention relates to an assembling method applied to a magnetism isolating outer rotor motor of a ceiling fan, which is used for assembling magnetism isolating pieces and comprises the following steps:
a2, winding the magnetism isolating piece, wherein the magnetism isolating piece is an adhesive tape with magnetism isolating function, and the adhesive tape is wound and adhered on the outer wall of the upper shell and the outer wall of the lower shell of the assembled motor, so that the butt joint gap is sealed by the adhesive tape. The adhesive tape is polytetrafluoroethylene teflon adhesive tape or cloth-based adhesive tape and the like, so that magnetic leakage of the outer rotor motor from a butt joint gap can be reduced better, and the magnetism of the motor for adsorbing other metal materials is reduced.
The invention relates to an assembling method applied to a magnetism isolating outer rotor motor of a ceiling fan, which is used for assembling magnetism isolating pieces and comprises the following steps:
a3, pouring the magnetism isolating piece, wherein the magnetism isolating piece is glue with magnetism isolating function, and the glue is poured into the butt joint gap of the assembled motor, so that the butt joint gap is sealed, the magnetism leakage of the outer rotor motor from the butt joint gap can be reduced better, and the magnetism of the motor for adsorbing other metal materials is reduced.
Claims (9)
1. The assembly method for the magnetic isolation outer rotor motor of the ceiling fan is characterized by comprising a motor shaft (1), wherein a stator assembly (2) is relatively fixedly connected to the motor shaft (1), and a rotor assembly (3) is rotatably arranged on the motor shaft (1); the rotor assembly (3) comprises a magnetic ring bracket (31) rotatably arranged outside the stator assembly (2) and a plurality of magnetic shoes (32) arranged on the magnetic ring bracket (31), the rotor assembly (3) further comprises an upper shell (33) and a lower shell (34) which are both rotatably arranged on the motor shaft (1) and are positioned below the upper shell (33), the upper shell (33) and the lower shell (34) are both connected with the magnetic ring bracket (31) in a same way, and the magnetic ring bracket (31) is positioned inside the upper shell (33) and the lower shell (34); a magnetic isolation piece (4) for wrapping and sealing a butt joint gap (35) between the upper shell (33) and the lower shell (34) is sleeved between the outer wall of the upper shell (33) and the outer wall of the lower shell (34);
or a magnetism isolating piece (4) for blocking the butt joint gap (35) is arranged at the butt joint gap (35) between the upper shell (33) and the lower shell (34);
the method also comprises the following steps:
a1, sleeving a magnetism isolating piece, wherein the magnetism isolating piece is a heat shrinkage pipe with magnetism isolating function, and sleeving the heat shrinkage pipe on the outer wall of the upper shell and the outer wall of the lower shell of the assembled motor so that a butt joint gap is positioned at the inner side of the heat shrinkage pipe;
b1, heating and shrinking the heat shrinkage pipe, and performing heating treatment on the heat shrinkage pipe in a heating mode, so that the heat shrinkage pipe shrinks and is fixedly sleeved on the outer wall of the upper shell and the outer wall of the lower shell, and further the butt joint gap is sealed by the heat shrinkage pipe;
or further comprises the following steps:
a2, winding a magnetism isolating piece, wherein the magnetism isolating piece is an adhesive tape with magnetism isolating function, and the adhesive tape is wound and adhered on the outer wall of the upper shell and the outer wall of the lower shell of the assembled motor, so that the butt joint gap is sealed by the adhesive tape;
or comprises the following steps:
and A3, pouring the magnetism isolating piece, wherein the magnetism isolating piece is glue with magnetism isolating function, and the glue is poured into a butt joint gap of the assembled motor, so that the butt joint gap is sealed.
2. The assembly method for the magnetic isolation outer rotor motor of the ceiling fan according to claim 1, wherein the magnetic isolation member (4) comprises an annular sleeving part (41) which is used for sleeving the outer wall of the upper shell (33) and the outer wall of the lower shell (34) simultaneously, and a sealing part (42) used for sealing the butt joint gap (35) is arranged on the inner wall of the annular sleeving part (41).
3. The assembly method for the magnetic isolation outer rotor motor of the ceiling fan according to claim 2, wherein the sealing part (42) is located in the butt joint gap (35), the upper surface of the sealing part (42) is abutted with the port edge of the upper shell (33), the lower surface of the sealing part (42) is abutted with the port edge of the lower shell (34), and the port edge of the upper shell (33) is matched with the port edge of the lower shell (34) to compress the sealing part (42).
4. The assembly method applied to the magnetic isolation outer rotor motor of the ceiling fan according to claim 1, wherein the magnetic isolation piece (4) is integrally injection molded by magnetic isolation plastic materials or the magnetic isolation piece (4) is made of non-magnetic conductive materials.
5. The assembly method for the magnetic isolation outer rotor motor of the ceiling fan according to any one of claims 1 to 4, characterized in that a chip-proof cover (5) is arranged between the upper shell (33) or the lower shell (34) and the magnetic ring support (31), a clamping position (541) which can be clamped with the magnetic ring support (31) to enable the chip-proof cover (5) to be connected with the magnetic ring support (31) in a synchronous mode is arranged on the chip-proof cover (5), and the chip-proof cover (5) is configured to be pressed by the upper shell (33) and the magnetic ring support (31) or pressed by the lower shell (34) and the magnetic ring support (31).
6. The assembling method for the magnetic isolation outer rotor motor of the ceiling fan according to claim 5, wherein the chip-proof cover (5) comprises an annular connecting portion (52) which is arranged in parallel with the upper surface of the magnetic ring bracket (31), an upper chip-proof portion (51) is formed by extending upwards from the inner edge of the annular connecting portion (52), the upper end of the upper chip-proof portion (51) can be in abutting fit with the inner wall of the upper shell (33), a side chip-proof portion (53) is formed by extending downwards from the outer edge of the annular connecting portion (52), the center of the side chip-proof portion (53) and the center of the upper chip-proof portion (51) are located on the same axis, an abutting portion (54) which can be in abutting fit with the surface of the magnetic ring bracket (31) is formed by extending outwards from the lower edge of the side chip-proof portion (53), the abutting portion (54) is arranged in parallel with the annular connecting portion (52), and the clamping position (541) is arranged on the abutting portion (54).
7. The assembly method for the magnetic isolation outer rotor motor of the ceiling fan according to claim 5, wherein the magnetic ring bracket (31) is provided with a connecting rod sleeve (311) which extends outwards from the surface of the magnetic ring bracket (31); the clamping position (541) is a clamping notch which is arranged on the chip-proof cover (5) and is matched with the outer wall of the connecting rod sleeve (311) in a clamping way.
8. The assembly method for the magnetic isolation outer rotor motor of the ceiling fan according to claim 5, wherein the chip-proof cover (5) is made of plastic materials and is of an integrally formed integral structure.
9. The assembly method applied to the magnetic isolation outer rotor motor of the ceiling fan according to any one of claims 1 to 4, wherein the magnetic ring bracket (31) is made of plastic materials; the plurality of magnetic shoes (32) are circumferentially distributed on the magnetic ring support (31) and are integrally formed with the magnetic ring support (31) in an injection molding mode to form a whole, and connecting rod sleeves (311) used for being aligned and connected with mounting holes of the upper shell (33) and the lower shell (34) are arranged on the magnetic ring support (31) and located between two adjacent magnetic shoes (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310654793.8A CN116707245A (en) | 2023-06-02 | 2023-06-02 | Assembling method applied to magnetic isolation outer rotor motor of ceiling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310654793.8A CN116707245A (en) | 2023-06-02 | 2023-06-02 | Assembling method applied to magnetic isolation outer rotor motor of ceiling fan |
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| Publication Number | Publication Date |
|---|---|
| CN116707245A true CN116707245A (en) | 2023-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310654793.8A Pending CN116707245A (en) | 2023-06-02 | 2023-06-02 | Assembling method applied to magnetic isolation outer rotor motor of ceiling fan |
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| Country | Link |
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| CN (1) | CN116707245A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013770A (en) * | 2010-09-30 | 2011-04-13 | 江苏新誉重工科技有限公司 | Sealing device and method of permanent magnet of outer rotor permanent magnet motor |
| CN105006902A (en) * | 2015-07-07 | 2015-10-28 | 广东福耐特电气有限公司 | Ceiling fan motor |
| CN206929114U (en) * | 2017-07-21 | 2018-01-26 | 台州市美诗儿电器有限公司 | A kind of ceiling fan and its magnet ring fixing structure |
| CN110165811A (en) * | 2018-02-16 | 2019-08-23 | 广东德昌电机有限公司 | The closed system and its method of electric machine stand |
| CN220139304U (en) * | 2023-06-02 | 2023-12-05 | 新盛世机电制品(中山)有限公司 | Magnetism isolating outer rotor motor |
-
2023
- 2023-06-02 CN CN202310654793.8A patent/CN116707245A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013770A (en) * | 2010-09-30 | 2011-04-13 | 江苏新誉重工科技有限公司 | Sealing device and method of permanent magnet of outer rotor permanent magnet motor |
| CN105006902A (en) * | 2015-07-07 | 2015-10-28 | 广东福耐特电气有限公司 | Ceiling fan motor |
| CN206929114U (en) * | 2017-07-21 | 2018-01-26 | 台州市美诗儿电器有限公司 | A kind of ceiling fan and its magnet ring fixing structure |
| CN110165811A (en) * | 2018-02-16 | 2019-08-23 | 广东德昌电机有限公司 | The closed system and its method of electric machine stand |
| CN220139304U (en) * | 2023-06-02 | 2023-12-05 | 新盛世机电制品(中山)有限公司 | Magnetism isolating outer rotor motor |
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