CN113036966A - Integral type permanent magnetism external rotor fan module - Google Patents
Integral type permanent magnetism external rotor fan module Download PDFInfo
- Publication number
- CN113036966A CN113036966A CN202110405645.3A CN202110405645A CN113036966A CN 113036966 A CN113036966 A CN 113036966A CN 202110405645 A CN202110405645 A CN 202110405645A CN 113036966 A CN113036966 A CN 113036966A
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- China
- Prior art keywords
- outer rotor
- fan
- rotating shaft
- permanent magnet
- connecting part
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an integrated permanent magnet outer rotor fan module, and relates to the field of fans. In order to reduce the ceiling height and improve the space utilization rate, the thickness of the ceiling air conditioner needs to be shortened, the existing rotor shell of the external rotor centrifugal fan is directly assembled with the fan blades and fixed by screws, and the needed space is large. The fan impeller is made of plastic materials, the permanent magnet outer rotor assembly and the fan impeller are integrally molded through injection, the permanent magnet outer rotor assembly comprises a rotating shaft, a magnetic conduction ring and magnetic steel, the upper end portion of the rotating shaft is fixedly connected with the fan impeller through injection, and the magnetic conduction ring is fixedly connected with the fan impeller through injection. The permanent magnet outer rotor assembly and the fan impeller are integrally molded, so that related parts required by assembling conventional fan blades including a casing and a motor rotor are omitted, the axial space is reduced, the fan module can be more flattened, and the height of the ceiling air conditioner fan is effectively shortened.
Description
Technical Field
The invention relates to the field of fans, in particular to an integrated permanent magnet outer rotor fan module.
Background
At present, in order to reduce the building layer height to the maximum extent and improve the space utilization rate, the ceiling height needs to be reduced in an effort mode, the requirement for the thickness of a ceiling air conditioner is high, an existing inner rotor fan in the ceiling air conditioner is changed to a flat outer rotor fan, an existing outer rotor centrifugal fan rotor shell and a fan blade are directly assembled and fixed through screws, the needed space is large, meanwhile, the shell and a shaft cannot be insulated, the voltage of an inner wheel and an outer wheel of a bearing is difficult to control, and the bearing is prone to electric corrosion.
Disclosure of Invention
The invention aims to solve the technical problems and provide the technical task of perfecting and improving the prior technical scheme and providing an integrated permanent magnet outer rotor fan module to achieve the purposes of shortening the height of a ceiling air conditioner fan and reducing the thickness of the ceiling air conditioner. Therefore, the invention adopts the following technical scheme.
The integrated permanent magnet outer rotor fan module comprises a fan impeller, a permanent magnet outer rotor assembly and an inner stator assembly which is matched with the permanent magnet outer rotor assembly in a rotating mode, wherein the fan impeller is made of a plastic material, and the permanent magnet outer rotor assembly and the fan impeller are integrally molded in an injection mode. Through moulding plastics an organic whole permanent magnetism external rotor subassembly and fan wheel, saved conventional fan blade and motor rotor assembly and needed two parts and use the relevant spare part of bolt fastening, reduced the axial space of permanent magnetism external rotor fan module, can make the fan module flatter, can effectively shorten smallpox air conditioner fan height, reduce smallpox air conditioner thickness.
As a preferable technical means: the permanent magnetism external rotor subassembly include pivot, magnetic conduction circle and encircle the magnet steel of equipartition, the magnet steel table paste in the internal diameter surface of magnetic conduction circle, the inner stator subassembly include wire winding stator and locate the axial metal bearing housing at wire winding stator center, wire winding stator be connected with wire winding lead wire clamp, wire winding stator, wire winding lead wire clamp and metal bearing housing pass through the integrative plastic envelope of BMC plastic envelope spare, the pivot be located the metal bearing housing, the pivot passes through the bearing in the metal bearing housing and rotates with the inner stator subassembly and match, magnetic conduction circle and magnet steel be located wire winding stator's radial outside, the upper end of pivot be connected fixedly through moulding plastics with fan wheel, magnetic conduction circle and fan wheel be connected fixedly through moulding plastics. The plastic package of the permanent magnetic outer rotor assembly and the fan impeller is effectively integrated, a shell and other parts of a traditional outer rotor motor are omitted, the fan impeller is an insulator and is directly connected with the rotating shaft, and the problem of electric corrosion of the bearing caused by voltage difference of an inner ring and an outer ring of the bearing due to the fact that the shell and the rotating shaft cannot be insulated in the traditional method is solved; the axial height of the permanent magnet outer rotor fan module can be effectively reduced, the weight and the cost are reduced, the concentricity of the rotating shaft and the magnetic conduction ring is ensured through the injection mold, and the noise of the whole machine can be effectively reduced; the BMC plastic package part is used for plastically packaging the winding stator and the metal bearing sleeve into a whole through an injection mold, so that the concentricity can be effectively guaranteed, and the noise of the whole machine is reduced.
As a preferable technical means: the fan impeller comprises an impeller part positioned at the radial middle outer part of the fan impeller and an outer rotor connecting part positioned at the radial center of the impeller part, the magnetic conductive ring is embedded in a magnetic conductive ring groove at the upper end of the outer side of the outer rotor connecting part, and the peripheral surface and at least part of the lower end surface of the magnetic conductive ring are coated by the plastic of the outer rotor connecting part. Effectively realize that magnetic conduction circle and fan wheel are connected fixedly.
As a preferable technical means: the outer rotor connecting part is provided with a rotating shaft connecting part protruding downwards in the center of the upper end of the outer rotor connecting part, the upper end of the rotating shaft is connected with the rotating shaft connecting part, knurls arranged in a surrounding mode are arranged at the upper end of the rotating shaft at the connecting part, and the knurls are coated by the rotating shaft connecting part. Effectively realize that pivot and fan wheel's connection is fixed, the setting of annular knurl can prevent effectively that pivot and fan wheel from taking place relative rotation in circumference.
As a preferable technical means: the upper end of pivot be equipped with and encircle the recess, pivot connecting portion cladding live and encircle the recess, the injection molding material of pivot connecting portion inlays in encircleing the recess. The injection molding material through fan wheel inlays in encircling the recess, can prevent effectively that fan wheel and pivot from taking place axial relative movement, and stable in structure is reliable.
As a preferable technical means: the upper end of the inner cavity of the outer rotor connecting part is provided with radial reinforcing ribs, the inner sides of the reinforcing ribs are connected with the rotating shaft connecting part, and the outer sides of the reinforcing ribs are connected with the outer side of the inner cavity of the outer rotor connecting part. The fan impeller structure can effectively increase the structural strength of the fan impeller, and can also generate air flow when rotating to reduce the temperature rise of the stator.
As a preferable technical means: the upper end and the lower end of the metal bearing sleeve are respectively provided with a bearing chamber, a bearing is pressed in the bearing chambers, the lower end of the rotating shaft connecting part is attached to the upper end face of the bearing inner ring of the upper end bearing chamber, the lower end of the rotating shaft is provided with a clamp spring groove and a clamp spring, the clamp spring is located at the lower end of the bearing of the lower end bearing chamber, the lower end of the upper end bearing chamber and the upper end of the lower end bearing chamber are respectively provided with a flat gasket, the flat gaskets are in end face contact with the outer ring of the bearing, and a wave-shaped gasket is arranged between the flat gaskets of the upper end bearing chamber. The stable and reliable rotatable structure between the inner stator assembly and the rotating shaft is effectively realized.
As a preferable technical means: the outer peripheral face of the axial middle of the metal bearing sleeve is provided with a surrounding bulge, and BMC plastic package materials are injected between the outer peripheral face of the metal bearing sleeve and the inner diameter of the iron core of the wound stator. The plastic package between the metal bearing sleeve and the winding stator is effectively realized, and the structure is stable and reliable.
As a preferable technical means: the BMC plastic package piece comprises a mounting seat at the lower end of the BMC plastic package piece, mounting hole sleeves are uniformly distributed on the mounting seat in a surrounding mode, and the winding outgoing line clamp is embedded in the side face of the mounting seat in the horizontal direction. Through the mounting hole cover on the mount pad, can effectively realize that the installation of fan module is fixed, the wire clip is drawn forth to the winding reasonable in position, the grafting of being convenient for is connected the line.
As a preferable technical means: the fan impeller on be equipped with the instrument operation through-hole that encircles the equipartition, the position and the quantity of instrument operation through-hole corresponding with the position and the quantity of mounting hole cover. When the fan module is fixedly installed, the installation operation of tools such as a screwdriver is facilitated.
Has the advantages that:
1. through moulding plastics an organic whole permanent magnetism external rotor subassembly and fan wheel, saved conventional fan blade and motor rotor assembly and needed two parts and use the relevant spare part of bolt fastening, reduced the axial space of permanent magnetism external rotor fan module, can make the fan module flatter, can effectively shorten smallpox air conditioner fan height, reduce smallpox air conditioner thickness.
2. The fan impeller is directly connected with the rotating shaft, so that a shell of a traditional outer rotor motor is omitted, and the traditional problem of bearing electric corrosion caused by voltage difference of inner and outer rings of the bearing due to the fact that the shell and the rotating shaft cannot be insulated is solved.
3. The concentricity of the rotating shaft and the magnetic conduction ring is ensured through an injection mold, and the noise of the whole machine can be effectively reduced; the BMC plastic package part is used for plastically packaging the winding stator and the metal bearing sleeve into a whole through an injection mold, so that the concentricity can be effectively guaranteed, and the noise of the whole machine is reduced.
4. The whole structure is stable and reliable, and the weight and the cost are effectively reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention with half of the fan wheel removed.
Fig. 2 is a schematic top view of the present invention.
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2 of the present invention.
Fig. 4 is a schematic view of a connection structure of the fan impeller and the rotating shaft of the present invention.
FIG. 5 is an enlarged view of portion B of FIG. 4 according to the present invention.
FIG. 6 is an enlarged view of the portion C of FIG. 3 according to the present invention.
In the figure: 1-a fan impeller; 2-a rotating shaft; 3-a magnetic conductive ring; 4-magnetic steel; 5-a wound stator; 6-a metal bearing sleeve; 7-winding lead-out wire clamp; 8-BMC plastic package; 9-a bearing; 10-a flat washer; 11-wave washer; 12-mounting a hole sleeve; 101-an impeller portion; 102-outer rotor connection; 10201-magnetic coil groove; 10202-shaft connection; 10203-reinforcing ribs; 103-tool operation through hole; 201-knurling; 202-surrounding groove; 801-mounting seat.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the drawings in the specification.
As shown in fig. 1-5, an integrated permanent magnet outer rotor fan module comprises a fan impeller 1, a permanent magnet outer rotor assembly and an inner stator assembly rotationally matched with the permanent magnet outer rotor assembly, wherein the fan impeller 1 is made of a plastic material, and the permanent magnet outer rotor assembly and the fan impeller 1 are integrally molded.
In order to realize the integral type structure, the permanent magnetism external rotor subassembly includes pivot 2, magnetic conduction ring 3 and the magnet steel 4 that encircles the equipartition, magnet steel 4 table pastes in magnetic conduction ring 3's internal diameter surface, the inner stator subassembly includes winding stator 5 and locates the axial metal bearing housing 6 at winding stator 5 center, winding stator 5 is connected with winding lead-out wire clip 7, winding stator 5, winding lead-out wire clip 7 and metal bearing housing 6 pass through the integrative plastic envelope of BMC plastic envelope spare 8, pivot 2 is located metal bearing housing 6, pivot 2 rotates with the inner stator subassembly through the bearing 9 in the metal bearing housing 6 and matches, magnetic conduction ring 3 and magnet steel 4 are located winding stator 5's radial outside, the upper end of pivot 2 is fixed through moulding plastics with fan wheel 1, magnetic conduction ring 3 is fixed through moulding plastics with fan wheel 1. The plastic package of the permanent magnetic outer rotor assembly and the fan impeller 1 is effectively realized, a shell and other parts of a traditional outer rotor motor are omitted, the fan impeller 1 is an insulator, and the fan impeller 1 is directly connected with the rotating shaft 2, so that the problem of electric corrosion of the bearing 9 caused by the voltage difference of an inner ring and an outer ring of the bearing 9 due to the fact that the shell and the rotating shaft 2 cannot be insulated in the traditional method is solved; the axial height of the permanent magnet outer rotor fan module can be effectively reduced, the weight and the cost are reduced, the concentricity of the rotating shaft 2 and the magnetic conductive ring 3 is ensured through an injection mold, and the noise of the whole machine can be effectively reduced; the BMC plastic package piece 8 is used for plastic packaging the winding stator 5 and the metal bearing sleeve 6 into a whole through an injection mold, so that the concentricity can be effectively guaranteed, and the noise of the whole machine is reduced.
The connection and fixation of the magnetic conductive ring 3 and the fan impeller 1 are realized, the fan impeller 1 comprises an impeller part 101 located at the radial middle outer part of the fan impeller and an outer rotor connecting part 102 located at the radial center of the impeller part 101, the magnetic conductive ring 3 is embedded in a magnetic conductive ring groove 10201 at the outer upper end of the outer rotor connecting part 102, and the outer peripheral surface and part of the lower end surface of the magnetic conductive ring 3 are coated by the plastic of the outer rotor connecting part 102. Effectively realize that magnetic conduction circle 3 is connected fixedly with fan wheel 1.
In order to prevent the rotation shaft 2 and the fan impeller 1 from rotating relatively in the circumferential direction, the outer rotor connecting part 102 is provided with a downwardly protruding rotation shaft connecting part 10202 at the center of the upper end thereof, the upper end of the rotation shaft 2 is connected with the rotation shaft connecting part 10202, the upper end of the rotation shaft 2 at the connecting part is provided with knurls 201 arranged in a surrounding manner, and the knurls 201 are covered by the rotation shaft connecting part 10202. Effectively realize that pivot 2 and fan wheel 1's connection is fixed, the setting of annular knurl 201 can prevent effectively that pivot 2 and fan wheel 1 from taking place relative rotation in circumference.
In order to prevent the fan impeller 1 and the rotating shaft 2 from moving axially relative to each other, the upper end of the rotating shaft 2 is provided with a surrounding groove 202, the rotating shaft connecting part 10202 covers the surrounding groove 202, and the injection molding material of the rotating shaft connecting part 10202 is embedded in the surrounding groove 202. The injection molding material through fan wheel 1 inlays in encircling recess 202, can prevent effectively that fan wheel 1 and pivot 2 from taking place axial relative movement, and stable in structure is reliable.
In order to increase the structural strength of the fan impeller 1, the upper end of the inner cavity of the outer rotor connecting part 102 is provided with radial reinforcing ribs 10203, the inner sides of the reinforcing ribs 10203 are connected with the rotating shaft connecting part 10202, and the outer sides of the reinforcing ribs 10203 are connected with the outer side of the inner cavity of the outer rotor connecting part 102. Can effectively increase fan wheel 1's structural strength, can also produce the air current when rotating, reduce the stator temperature rise.
In order to realize a stable and reliable rotatable structure between the inner stator assembly and the rotating shaft 2, a bearing chamber is respectively arranged at the upper end and the lower end of the metal bearing sleeve 6, a bearing 9 is pressed in the bearing chamber, the lower end of the rotating shaft connecting part 10202 is attached to the upper end face of the bearing 9 of the upper end bearing chamber, a clamp spring groove is arranged at the lower end of the rotating shaft 2, a clamp spring is arranged at the lower end of the bearing 9 of the lower end bearing chamber, a flat gasket 10 is respectively arranged at the lower end of the upper end bearing chamber and the upper end of the lower end bearing chamber, the flat gasket 10 is contacted with the end face of the outer ring of the bearing 9, and a wave-shaped gasket 11 is arranged between the flat. The stable and reliable rotatable structure between the inner stator assembly and the rotating shaft 2 is effectively realized.
In order to realize the fixation between the metal bearing sleeve 6 and the wound stator 5, the surrounding bulge is arranged on the outer peripheral surface of the axial middle of the metal bearing sleeve 6, and BMC plastic package material is injected between the outer peripheral surface of the metal bearing sleeve 6 and the inner diameter of the iron core of the wound stator 5. The plastic package between the metal bearing sleeve 6 and the winding stator 5 is effectively realized, and the structure is stable and reliable.
In order to realize the installation and fixation of the fan module, the BMC plastic package 8 includes an installation seat 801 at the lower end thereof, 3 installation hole sleeves 12 are uniformly distributed on the installation seat 801 in a surrounding manner, and the winding lead-out wire clip 7 is horizontally embedded in the side surface of the installation seat 801. Through the mounting hole sleeve 12 on the mounting seat 801, the fan module can be effectively mounted and fixed, and the winding leading-out wire clamp 7 is reasonable in position and convenient to plug and connect wires.
In order to facilitate the installation operation of tools such as screwdrivers, tool operation through holes 103 are uniformly distributed around the fan impeller 1, and the positions and the number of the tool operation through holes 103 correspond to those of the installation hole sleeves 12. When the fan module is fixedly installed, the installation operation of tools such as a screwdriver is facilitated.
Through moulding plastics an organic whole permanent magnetism external rotor subassembly and fan impeller 1, saved conventional fan blade and motor rotor assembly and needed two parts and use the relevant spare part of bolt fastening, reduced the axial space of permanent magnetism external rotor fan module, can make the fan module flatter more, can effectively shorten smallpox air conditioner fan height, reduce smallpox air conditioner thickness.
The above-mentioned integrated permanent magnet external rotor fan module shown in fig. 1-5 is a specific embodiment of the present invention, and already shows the outstanding substantive features and significant progress of the present invention, and it is within the scope of protection of the present solution to modify the same in shape, structure and the like according to the practical needs.
Claims (10)
1. The utility model provides an integral type permanent magnetism external rotor fan module, includes fan wheel (1), permanent magnetism external rotor subassembly and rotates the internal stator subassembly that matches with permanent magnetism external rotor subassembly, its characterized in that: the fan impeller (1) is made of plastic materials, and the permanent magnet outer rotor assembly and the fan impeller (1) are integrally molded in an injection mode.
2. The integrated permanent magnet outer rotor fan module set according to claim 1, wherein: the permanent magnet outer rotor assembly comprises a rotating shaft (2), a magnetic conductive ring (3) and magnetic steel (4) uniformly distributed in a surrounding mode, the magnetic steel (4) is attached to the inner diameter surface of the magnetic conductive ring (3), the inner stator assembly comprises a winding stator (5) and an axial metal bearing sleeve (6) arranged at the center of the winding stator (5), the winding stator (5) is connected with a winding leading-out wire clamp (7), the winding stator (5), the winding leading-out wire clamp (7) and the metal bearing sleeve (6) are integrally plastically packaged through a BMC plastic package part (8), the rotating shaft (2) is located in the metal bearing sleeve (6), the rotating shaft (2) is matched with the inner stator assembly in a rotating mode through a bearing (9) in the metal bearing sleeve (6), the magnetic conductive ring (3) and the magnetic steel (4) are located on the radial outer side of the winding stator (5), the upper end portion of the rotating shaft (2) is fixedly connected with a fan impeller (1) through injection molding, the magnetic conductive ring (3) is fixedly connected with the fan impeller (1) through injection molding.
3. The integrated permanent magnet outer rotor fan module set according to claim 2, wherein: the fan impeller (1) comprises an impeller part (101) positioned at the radial middle outer part of the fan impeller and an outer rotor connecting part (102) positioned at the radial center of the impeller part (101), the magnetic conductive ring (3) is embedded in a magnetic conductive ring groove (10201) at the upper end of the outer side of the outer rotor connecting part (102), and the peripheral surface and at least part of the lower end surface of the magnetic conductive ring (3) are coated by the plastic of the outer rotor connecting part (102).
4. The integrated permanent magnet outer rotor fan module set according to claim 3, wherein: the outer rotor connecting part (102) is provided with a rotating shaft connecting part (10202) protruding downwards in the center of the upper end of the outer rotor connecting part, the upper end of the rotating shaft (2) is connected with the rotating shaft connecting part (10202), knurling (201) arranged in a surrounding mode is arranged at the upper end of the rotating shaft (2) of the connecting part, and the knurling (201) is covered by the rotating shaft connecting part (10202).
5. The integrated permanent magnet outer rotor fan module set according to claim 4, wherein: the upper end of the rotating shaft (2) is provided with a surrounding groove (202), the rotating shaft connecting part (10202) covers the surrounding groove (202), and the injection molding material of the rotating shaft connecting part (10202) is embedded in the surrounding groove (202).
6. The integrated permanent magnet outer rotor fan module set according to claim 5, wherein: the upper end of the inner cavity of the outer rotor connecting part (102) is provided with radial reinforcing ribs (10203), the inner sides of the reinforcing ribs (10203) are connected with the rotating shaft connecting part (10202), and the outer sides of the reinforcing ribs (10203) are connected with the peripheral surface of the top of the inner cavity of the outer rotor connecting part (102).
7. The integrated permanent magnet outer rotor fan module set according to claim 4, wherein: the upper and lower both ends of metal bearing housing (6) respectively be equipped with a bearing room, bearing (9) have been pressed to the bearing room, the lower extreme of pivot connecting portion (10202) paste with bearing (9) inner circle up end of upper end bearing room, the lower extreme of pivot (2) be equipped with the jump ring groove to set up the jump ring, the jump ring be located bearing (9) lower extreme of lower extreme bearing room, the lower extreme of upper end bearing room and the upper end of lower extreme bearing room respectively are equipped with a plain washer (10), the outer lane end face contact of plain washer (10) and bearing (9), be equipped with wave form packing ring (11) between plain washer (10) of upper end bearing room and bearing (9) outer lane.
8. The integrated permanent magnet outer rotor fan module set according to claim 2, wherein: the outer peripheral face of the axial middle of the metal bearing sleeve (6) is provided with a surrounding bulge, and BMC plastic package materials are injected between the outer peripheral face of the metal bearing sleeve (6) and the inner diameter of an iron core of the winding stator (5).
9. The integrated permanent magnet outer rotor fan module set according to claim 2, wherein: the BMC plastic package member (8) comprises a mounting seat (801) at the lower end of the BMC plastic package member, mounting hole sleeves (12) are uniformly distributed on the mounting seat (801) in a surrounding mode, and the winding leading-out wire clamp (7) is embedded in the side face of the mounting seat (801) in the horizontal direction.
10. The integrated permanent magnet outer rotor fan module set according to claim 9, wherein: fan wheel (1) on be equipped with around instrument operation through-hole (103) of equipartition, the position and the quantity of instrument operation through-hole (103) corresponding with the position and the quantity of mounting hole cover (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110405645.3A CN113036966A (en) | 2021-04-15 | 2021-04-15 | Integral type permanent magnetism external rotor fan module |
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Application Number | Priority Date | Filing Date | Title |
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CN202110405645.3A CN113036966A (en) | 2021-04-15 | 2021-04-15 | Integral type permanent magnetism external rotor fan module |
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CN113036966A true CN113036966A (en) | 2021-06-25 |
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CN202110405645.3A Pending CN113036966A (en) | 2021-04-15 | 2021-04-15 | Integral type permanent magnetism external rotor fan module |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114243981A (en) * | 2022-01-10 | 2022-03-25 | 卧龙电气驱动集团股份有限公司 | Permanent magnet outer rotor motor |
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2021
- 2021-04-15 CN CN202110405645.3A patent/CN113036966A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114243981A (en) * | 2022-01-10 | 2022-03-25 | 卧龙电气驱动集团股份有限公司 | Permanent magnet outer rotor motor |
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