CN218183140U - Axial flux motor structure applied to ceiling fan and stable in operation - Google Patents
Axial flux motor structure applied to ceiling fan and stable in operation Download PDFInfo
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- CN218183140U CN218183140U CN202222434746.6U CN202222434746U CN218183140U CN 218183140 U CN218183140 U CN 218183140U CN 202222434746 U CN202222434746 U CN 202222434746U CN 218183140 U CN218183140 U CN 218183140U
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- 230000004907 flux Effects 0.000 title claims abstract description 36
- 238000004804 winding Methods 0.000 description 48
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses a be applied to axial flux motor structure of steady operation of ceiling fan, it passes through be connected with between rotor dish and the stator shaft and rotate the piece, between rotor dish and the stator shaft or be equipped with between rotor dish and the stator module and be used for supporting the steady pivoted of the relative stator shaft of rotor dish and support the runner assembly, the utility model discloses a support the runner assembly and rotate a cooperation and use, support the runner assembly and support the rotor dish and can reduce the effort of rotor dish to rotating, can make the relative stator shaft of rotor dish rotate smoothly, steady, guarantee to adopt the utility model discloses the ceiling fan of axial flux motor operates steadily.
Description
[ technical field ] A
The utility model relates to a be applied to axial flux motor structure of steady operation of ceiling fan.
[ background ] A method for producing a semiconductor device
The permanent magnet synchronous motor applied to the field of household appliances such as fans in the prior art has the advantages of high power density, high efficiency and the like, and gradually occupies the electric automobile driving motor market. The permanent magnet synchronous motor is divided into a radial direction and an axial direction according to the magnetic flux direction, compared with a radial magnetic flux motor, the magnetic flux direction of the axial magnetic flux motor forms a closed loop along a rotating shaft, and the permanent magnet synchronous motor has the advantages of short axial size, light weight, small size, high efficiency, good heat dissipation performance, high power density and the like.
An axial flux motor applied to a ceiling fan at present generally includes a stator shaft, a stator assembly relatively fixedly connected to the stator shaft, and a rotor assembly located above the stator assembly and capable of rotating relative to the stator shaft, and the rotor assembly is connected with a plurality of blades. However, the rotor assembly is usually connected with the stator shaft by the ball bearing in a rotating manner, and because the rotor assembly is influenced by self gravity and blade gravity, an axial downward acting force is generated, that is, the rotor assembly makes the ball bearing bear an axial downward acting force to cause difficulty in operation of the ball bearing, and further causes the problem that the rotor assembly does not operate stably and smoothly relative to the stator shaft.
Therefore, the present invention has been made in view of the above problems.
[ Utility model ] A method for manufacturing a semiconductor device
The utility model aims at overcoming the not enough of prior art, providing an axial flux motor structure of steady operation for ceiling fan, can improve the problem that prior art exists, have stable in structure, the characteristics of steady operation.
The utility model discloses a realize through following technical scheme:
an axial flux motor structure which is applied to a ceiling fan and runs stably comprises a stator shaft 10, a stator component which is relatively and fixedly connected to the stator shaft 10 and a rotor component which is positioned above the stator component and can rotate relative to the stator shaft 10; the rotor assembly comprises a rotor disc 20, and a rotor through hole 201 matched with the stator shaft 10 is formed in the rotor disc 20; a rotating member 30 is connected between the rotor disc 20 and the stator shaft 10, and a supporting rotating assembly 40 for supporting the rotor disc 20 to smoothly rotate relative to the stator shaft 10 is arranged between the rotor disc 20 and the stator shaft 10 or between the rotor disc 20 and the stator assembly.
The axial flux motor structure applied to the ceiling fan and having stable operation is characterized in that the rotating member 30 is a ball bearing or a first thrust bearing arranged between the rotor through hole 201 and the stator shaft 10, a centripetal force of the first thrust bearing is arranged downwards along the axial direction, an inner ring of the first thrust bearing is relatively fixedly connected with the stator shaft 10, and an outer ring of the first thrust bearing is relatively fixedly connected with an inner wall of the rotor through hole 201.
In the above-mentioned axial flux motor structure for the ceiling fan, the support rotating assembly 40 includes a planar support bearing 401 disposed between the rotor disc 20 and the stator assembly, the lower support ring of the planar support bearing 401 is fixedly connected to the stator assembly, and the upper support ring of the planar support bearing 401 is fixedly connected to the lower side of the rotor disc 20.
The axial flux motor structure which is applied to the ceiling fan and is stable in operation is characterized in that the rotating part 30 is a first thrust bearing which is arranged between the rotor through hole 201 and the stator shaft 10 and has a centripetal force which is downward along the axial direction, an inner ring of the first thrust bearing is relatively fixedly connected with the stator shaft 10, and an outer ring of the first thrust bearing is relatively fixedly connected with the inner wall of the rotor through hole 201.
As described above, the axial flux motor structure for a ceiling fan, which is capable of operating smoothly, includes the supporting rotation assembly 40, which includes the supporting rotation cylinder 402 relatively fixedly connected to the rotor disc 20, the second thrust bearing 403 which is located between the supporting rotation cylinder 402 and the stator shaft 10 and has a centripetal force upward along the axial direction, the inner ring of the second thrust bearing 403 is relatively fixedly connected to the stator shaft 10, and the outer ring of the second thrust bearing 403 is relatively fixedly connected to the inner wall of the supporting rotation cylinder 402; the first thrust bearing is located above the second thrust bearing 403, the inner ring of the first thrust bearing is relatively fixedly connected with the stator shaft 10, and the outer ring of the first thrust bearing is relatively fixedly connected with the inner wall of the supporting rotating cylinder 402.
In the above axial flux motor structure for the ceiling fan, which is smooth in operation, the supporting shoulder 4021 which is matched with the rotor through hole 201 is arranged on the outer wall of the supporting rotating cylinder 402, and when the rotor disc 20 is connected with the supporting rotating cylinder 402, the upper end surface of the supporting shoulder 4021 abuts against the lower edge of the rotor through hole 201 to prevent the rotor disc 20 from moving downwards relative to the stator shaft 10 along the axial direction.
In the above axial flux motor structure for a ceiling fan, which is stable in operation, the inner wall of the supporting and rotating cylinder 402 is provided with a limiting convex ring 4022, and the first thrust bearing and the second thrust bearing 403 are respectively located on the upper side and the lower side of the limiting convex ring 4022.
In the above-mentioned axial flux motor structure for a ceiling fan, the stator shaft 10 has a stop shoulder 103 formed integrally therewith for preventing the second thrust bearing 403 from shifting downward relative to the stator shaft 10 when the second thrust bearing 403 is assembled on the stator shaft 10.
In the above axial flux motor structure for a ceiling fan, which is stable in operation, the stator shaft 10 is connected to a limiting component 104 for preventing the rotor component from moving upwards relative to the stator shaft 10 in the axial direction.
In the above axial flux motor structure for a ceiling fan, which operates smoothly, the limit component 104 is a limit nut screwed on the stator shaft 10 for preventing the rotor component from moving upwards relative to the stator shaft 10 along the axial direction.
Compared with the prior art, the utility model has the advantages of as follows:
1. the utility model discloses a be connected with between rotor dish and the stator shaft and rotate the piece, between rotor dish and the stator shaft or be equipped with between rotor dish and the stator module and be used for supporting the steady pivoted of the relative stator shaft of rotor dish and support the runner assembly, the utility model discloses a support the runner assembly and use with rotating the cooperation, support the runner assembly and support the rotor dish and can reduce the effort of rotor dish to rotating, can make the relative stator shaft of rotor dish rotate smoothly, steady, guarantee to adopt the utility model discloses the ceiling fan of axial flux motor operates steadily.
2. The rotating part is a first thrust bearing arranged between the rotor through hole and the stator shaft, and the centripetal force of the first thrust bearing is arranged downwards along the axial direction, so that the phenomenon that the rotor disc moves upwards along the axial direction in the rotating process can be avoided, and the rotor disc can run more stably and smoothly.
3. The supporting and rotating assembly comprises a plane supporting bearing arranged between the rotor disc and the stator assembly, the rotor disc can be better supported, the structural strength of the rotor disc is improved, and meanwhile the rotor disc can rotate more stably and smoothly relative to the stator shaft.
[ description of the drawings ]
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a sectional view of embodiment 1 of the present invention.
Fig. 2 is an exploded view of a stator assembly according to embodiment 1 of the present invention.
Fig. 3 is a perspective view of a stator assembly according to embodiment 1 of the present invention.
Fig. 4 is a partial structural schematic view of a stator assembly according to embodiment 1 of the present invention.
Fig. 5 is one of partial structural plan views of a stator assembly according to embodiment 1 of the present invention.
Fig. 6 is a side view of a partial structure of a stator assembly according to embodiment 1 of the present invention.
Fig. 7 is a second partial structural plan view of the stator assembly according to embodiment 1 of the present invention.
Fig. 8 is a sectional view of embodiment 2 of the present invention.
[ detailed description ] A
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings 1 to 8.
Example 1:
as shown in fig. 1-7, the axial flux motor structure of the present invention for a ceiling fan, which operates stably, includes a stator shaft 10, a stator assembly relatively fixedly connected to the stator shaft 10, and a rotor assembly located above the stator assembly and capable of rotating relative to the stator shaft 10; the rotor assembly comprises a rotor disc 20, and a rotor through hole 201 matched with the stator shaft 10 is formed in the rotor disc 20; a rotating member 30 is connected between the rotor disc 20 and the stator shaft 10, and a supporting rotating assembly 40 for supporting the rotor disc 20 to smoothly rotate relative to the stator shaft 10 is arranged between the rotor disc 20 and the stator shaft 10 or between the rotor disc 20 and the stator assembly. The utility model discloses a be connected with between rotor dish and the stator shaft and rotate the piece, between rotor dish and the stator shaft or be equipped with between rotor dish and the stator module and be used for supporting the steady pivoted of the relative stator shaft of rotor dish and support the runner assembly, support the runner assembly and support the rotor dish and can reduce the effort that the rotor dish to rotating, can make the relative stator shaft of rotor dish rotate smoothly, steady, guarantee to adopt the utility model discloses the ceiling fan of axial flux motor operates steadily.
As shown in fig. 1 to 7, the rotating member 30 is a ball bearing or a first thrust bearing disposed between the rotor through hole 201 and the stator shaft 10, and a centripetal force of the first thrust bearing is disposed downward along an axial direction, an inner ring of the first thrust bearing is relatively fixedly connected to the stator shaft 10, and an outer ring of the first thrust bearing is relatively fixedly connected to an inner wall of the rotor through hole 201. In this embodiment 1, the rotating member 30 is a first thrust bearing, which can prevent the rotor disc from moving upwards along the axial direction during the rotation process, so that the rotor disc operates more stably and smoothly.
As shown in fig. 1 to 7, the supporting rotation assembly 40 includes a planar supporting bearing 401 disposed between the rotor disc 20 and the stator assembly, a lower supporting ring of the planar supporting bearing 401 is relatively fixedly connected with the stator assembly, and an upper supporting ring of the planar supporting bearing 401 is relatively fixedly connected with a lower side surface of the rotor disc 20, so that the rotor disc can be better supported, the structural strength of the rotor disc can be improved, and the rotor disc can rotate more smoothly relative to the stator shaft. In this embodiment 1, the planar support bearing 401 is used in cooperation with the first thrust bearing, so that the acting force applied to the first thrust bearing by the rotor disc can be relatively reduced, smooth rotation of the rotor disc is ensured, and the planar support bearing 401 supports the rotor disc to ensure the stress strength of the rotor disc.
As shown in fig. 1 to 7, in order to stably operate the motor, a limiting component 104 for preventing the rotor assembly from axially moving upward relative to the stator shaft 10 is connected to the stator shaft 10.
As shown in fig. 1-7, the stop assembly 104 is a stop nut that is threaded onto the stator shaft 10 for preventing the rotor assembly from axially moving upward relative to the stator shaft 10 for ease of operation. In the present embodiment 1, the lower side surface of the limit nut directly or indirectly abuts against the upper end surface of the first thrust bearing inner race of the rotating member 30.
As shown in fig. 1-7, the stator assembly includes a bottom case 3 and a stator ring 1, and a bottom case through hole 36 for matching and connecting with the stator shaft 10 is formed on the bottom of the bottom case 3; the lower end of the stator shaft 10 has a stator shoulder 101 formed integrally therewith, and when the stator assembly is connected to the stator shaft 10 through the bottom shell through hole 36, the inner side of the stator shoulder 101 abuts against the outer side of the bottom shell through hole 36 to prevent the stator assembly from moving downward relative to the stator shaft 10 in the axial direction. The bottom of the bottom shell is provided with a bottom shell through hole which is used for being matched and connected with the stator shaft; the tip has rather than integrated into one piece's stator shaft shoulder under the stator shaft, and when stator subassembly passes through drain pan through-hole and stator shaft connection, the medial surface of stator shaft shoulder supports and leans on in drain pan through-hole lateral surface in order to prevent the relative stator shaft of stator subassembly from following the axial downwards drunkenness, can make stator subassembly and stator shaft connection firm more reliable and structure more stable, adopts in addition with stator shaft integrated into one piece's stator shaft shoulder, simple structure, easily shaping manufacturing, adopts snap ring isotructure among the relative prior art, has the advantage that the equipment step is few.
In order to secure the bottom shell relative to the stator shaft connection, the bottom shell through hole 36 of the bottom shell 3 is interference fitted with the stator shaft 10.
In order to improve the strength of the connecting structure, the connecting structure further comprises a flange cover 102 fixedly connected with the bottom shell 3 relatively, a flange through hole 1021 for being matched and connected with the stator shaft 10 is arranged in the middle of the flange cover 102, the lower end face of the flange cover 102 abuts against the inner side face of the stator shaft shoulder 101, and the upper end face of the flange cover 102 abuts against the outer side face of the bottom shell through hole 36 to prevent the stator component from moving downwards relative to the stator shaft 10 along the axial direction.
The outer side of the bottom shell 3 is formed with a bottom shell accommodating cavity for accommodating the flange cover 102 when the stator assembly is connected with the stator shaft through the bottom shell through hole, so that the structure can be more compact.
The flange cover 102 is detachably connected to the stator shaft 10, and the flange cover 102 is in interference fit with the stator shaft 10 or connected by a spline. When the flange cover is produced and processed, the transverse width of the flange cover is different from the transverse width of the stator shaft, so that the stator shaft and the flange cover are produced and manufactured separately, and the manufacturing cost can be saved.
In order to improve structural strength and simplify the structure, the flange cover 102 is integrally formed with the stator shaft 10.
The stator ring 1 is arranged in a circular ring shape; stator module still includes coil winding 2, stator ring 1 evenly distributed has along axial extension's wrapping post 11 on the circumferencial direction, stator ring 1 is last and be located adjacent two be formed with holding tank 12 between wrapping post 11, holding tank 12 is the opening setting along radial direction's both ends, the relative both sides face of holding tank 12 is the straight face, coil winding 2 includes coil body 22 and establishes the coil through-hole 221 that is used for being connected with wrapping post 11 cooperation on coil body 22 middle part. The utility model adopts the two opposite side surfaces of the holding tank 12 as straight surfaces, so that the coil winding sleeved on the wrapping post can be more tightly attached to the wrapping post, and the connection between the coil winding and the wrapping post is more stable; additionally the utility model discloses stator module structure can assemble coil winding and wrapping post high-efficiently, and has guaranteed coil winding's number of turns in the maximize in the unit space to improve the magnetic flux, and then improve and adopt the utility model discloses an output, the moment of torsion of motor to ensure to adopt the motor complete machine volume minimizing of this structure, effectively reduce production manufacturing cost.
Further, the winding posts 11 have an inner circular side wall 111, a first straight side wall 112, an outer circular side wall 113 and a second straight side wall 114, and the receiving groove 12 is located between two adjacent winding posts 11 and is formed by the first straight side wall 112 of one winding post 11 and the second straight side wall 114 of the other winding post 11.
Furthermore, the edges between the inner circular side wall 111, the first straight side wall 112, the outer circular side wall 113 and the second straight side wall 114 are arranged in an arc shape, so that the contact area between the edges and the coil winding can be increased, the coil winding is prevented from being scratched by the edges, a protection effect is achieved, the service life of the coil winding is prolonged, and the working stability of the stator assembly is ensured.
The center line 115 of the winding post 11 passes through the center of the stator ring 1, and the first and second straight sidewalls 112 and 114 of each winding post 11 extend towards the center of the stator ring 1 to intersect at a straight line parallel to the central axis of the stator ring 1.
In order to increase the number of wrapping posts and coil windings and increase the magnetic flux, improve and adopt the utility model discloses an output, the moment of torsion of motor, adjacent two contained angle between the central line 115 of wrapping post 11 is alpha, then has 3 degrees to be less than or equal to alpha and is less than or equal to 15 degrees.
Preferably, the included angle α between the central lines 115 of two adjacent winding posts 11 is 8 °, the number of the winding posts 11 is 52, and the number of the coil windings is 52, so that the number of the winding posts and the number of the coil windings can be increased to increase the magnetic flux, and meanwhile, the overall balance of the stator ring and the stable operation of the stator assembly are ensured.
The winding post 11 cross section is trapezoidal setting, correspondingly coil through-hole 221 shape and winding post 11 looks adaptation can increase winding post and wire winding area of contact for the two is connected more firmly.
Coil winding 2 fixes the cover through the viscose and connect on wrapping post 11, can make the two connect more firmly, avoids coil winding to appear phenomenons such as drunkenness and lead to stator module work unstable problem relative to the wrapping post. The connecting terminal 222 of each coil winding 2 is located on the inner side of the stator ring 1 and is correspondingly connected, so that the problems of high connecting cost and complex connection caused by the fact that the connecting terminal is not located on the same side of the stator ring can be avoided, the connecting terminal is convenient to connect, and the connecting terminal is protected.
Wherein stator ring 1 is connected with drain pan 3 looks adaptation, stator ring 1 bottom is directly or indirectly contradicted in drain pan 3 inner bottom and is carried out heat-conduction, can play the guard action to stator module, can be better simultaneously dispel the heat to stator ring, avoid adopting the utility model discloses stator module's motor during operation, stator module high temperature influences motor work efficiency.
Bottom shell 3 includes outer loop 31 and is located the inboard inner ring 32 of outer loop 31, on bottom shell 3 and be located and be formed with the mounting groove 33 that is used for installing stator ring 1 between outer loop 31 and the inner ring 32, it is convenient to install, be formed with between stator ring 1 and the inner ring 32 and be used for filling glue with the fixed filling groove 34 of binding post 222 with each coil winding 2, and binding post 222 of each coil winding 2 is located filling groove 34, can avoid appearing binding post and rock, not hard up the phenomenon and lead to the poor problem of contact, make binding post more firm with assurance stator module job stabilization, ensure product quality.
The outer bottom of the bottom shell 3 is provided with a plurality of cooling fins 35 corresponding to the bottom of the stator ring 1, so that the heat dissipation area can be increased, and the heat dissipation efficiency is improved.
As shown in fig. 1-7, a method for assembling a stator assembly of an axial flux motor includes a stator ring 1 and a coil winding 2, the stator ring 1 has winding posts 11 uniformly distributed in a circumferential direction and extending in an axial direction, an accommodating groove 12 is formed on the stator ring 1 and between two adjacent winding posts 11, two ends of the accommodating groove 12 in a radial direction are open, two opposite side surfaces of the accommodating groove 12 are straight surfaces, the coil winding 2 includes a coil body 22 and an insulating sleeve 21 adapted to the winding posts 11, and a coil through hole 221 adapted to the insulating sleeve 21 is formed in a middle of the coil body 22; the stator structure further comprises a bottom shell 3 which is matched and connected with the stator ring 1, the bottom of the stator ring 1 directly or indirectly props against the inner bottom of the bottom shell 3 for heat conduction, the bottom shell 3 comprises an outer ring 31 and an inner ring 32 which is positioned on the inner side of the outer ring 31, a mounting groove 33 which is used for mounting the stator ring 1 is formed on the bottom shell 3 and positioned between the outer ring 31 and the inner ring 32, and a filling groove 34 which is used for filling glue to fix a connecting terminal 222 of each coil winding 2 is formed between the stator ring 1 and the inner ring 32; the method comprises the following steps:
(1) prefabricating the coil winding 2, namely winding the coil body 22 on the insulating sleeve shell 21 according to design requirements to prefabricate the coil winding 2;
(2) assembling the coil windings 2, fixedly sleeving the prefabricated coil windings 2 on the winding posts 11 through adhesive, wherein a wiring terminal 222 of each coil winding 2 is positioned on the inner side of the stator ring 1;
(3) assembling the bottom shell 3, fixedly connecting the stator ring 1 sleeved with the coil windings 2 with the bottom shell 3 relatively, wherein the bottom of the stator ring 1 directly or indirectly props against the inner bottom of the bottom shell 3 for heat conduction, and a connecting terminal 222 of each coil winding 2 is positioned in the filling groove 34;
(4) the fixing terminals 222 are connected, the terminals 222 of the coil winding 2 are connected and connected to the power terminals, and then the filling grooves 34 are filled with glue to fix the terminals 222 and the power terminals. The utility model relates to an axial flux motor stator module's assembly method is earlier accomplished coil winding prefabrication, again with the corresponding assembly of coil winding to each wrapping post on, improve the packaging efficiency, and adopt the utility model discloses stator module of method equipment has stable in structure, safe and reliable's characteristics.
Example 2:
embodiment 2 differs from embodiment 1 in that, as shown in fig. 8, the rotating member 30 is a first thrust bearing which is provided between the rotor through hole 201 and the stator shaft 10 and whose centripetal force is downward in the axial direction, an inner ring of the first thrust bearing is relatively fixedly connected to the stator shaft 10, and an outer ring of the first thrust bearing is relatively fixedly connected to the inner wall of the rotor through hole 201.
As shown in fig. 8, the supporting and rotating assembly 40 includes a supporting and rotating cylinder 402 fixedly connected to the rotor disc 20, and a second thrust bearing 403 located between the supporting and rotating cylinder 402 and the stator shaft 10 and having a centripetal force upward along the axial direction, wherein an inner ring of the second thrust bearing 403 is fixedly connected to the stator shaft 10, and an outer ring of the second thrust bearing 403 is fixedly connected to an inner wall of the supporting and rotating cylinder 402; the first thrust bearing is located above the second thrust bearing 403, the inner ring of the first thrust bearing is relatively fixedly connected with the stator shaft 10, and the outer ring of the first thrust bearing is relatively fixedly connected with the inner wall of the supporting rotating cylinder 402.
As shown in fig. 8, in order to make the structure of the motor more stable and better support the rotor disc, a support shoulder 4021 which is matched with the rotor through hole 201 is provided on the outer wall of the support rotary drum 402, and when the rotor disc 20 is connected with the support rotary drum 402, the upper end surface of the support shoulder 4021 abuts against the lower edge of the rotor through hole 201 to prevent the rotor disc 20 from moving downward in the axial direction relative to the stator shaft 10.
As shown in fig. 8, a limiting convex ring 4022 is arranged on the inner wall of the supporting rotary cylinder 402, and the first thrust bearing and the second thrust bearing 403 are respectively located on the upper side and the lower side of the limiting convex ring 4022, so that the phenomenon of mutual interference between the first thrust bearing and the second thrust bearing 403 can be avoided, and the stable operation of the motor can be ensured.
As shown in fig. 8, in order to make the structure of the motor more stable, the stator shaft 10 has a stop shoulder 103 integrally formed therewith for preventing the second thrust bearing 403 from shifting downward in the axial direction relative to the stator shaft 10 when the second thrust bearing 403 is assembled on the stator shaft 10. In this embodiment 2, the lower end surface of the inner ring of the second thrust bearing 403 abuts against the limit shoulder 103, and the upper end surface of the outer ring of the second thrust bearing 403 abuts against the limit convex ring 4022 supporting the rotating drum 402, so as to better support the rotor disc, and relatively reduce the acting force of the rotor disc on the first thrust bearing, so that the rotor disc rotates smoothly.
Claims (10)
1. An axial flux motor structure which is applied to a ceiling fan and runs stably is characterized by comprising a stator shaft (10), a stator component which is relatively and fixedly connected to the stator shaft (10) and a rotor component which is positioned above the stator component and can rotate relative to the stator shaft (10); the rotor assembly comprises a rotor disc (20), and a rotor through hole (201) matched with the stator shaft (10) is formed in the rotor disc (20); a rotating part (30) is connected between the rotor disc (20) and the stator shaft (10), and a supporting and rotating assembly (40) for supporting the rotor disc (20) to rotate stably relative to the stator shaft (10) is arranged between the rotor disc (20) and the stator shaft (10) or between the rotor disc (20) and the stator assembly.
2. The axial-flux motor structure for ceiling fan of claim 1, wherein the rotating member (30) is a ball bearing or a first thrust bearing disposed between the through hole (201) of the rotor and the stator shaft (10), and the centripetal force of the first thrust bearing is disposed downward along the axial direction, the inner ring of the first thrust bearing is fixedly connected to the stator shaft (10), and the outer ring of the first thrust bearing is fixedly connected to the inner wall of the through hole (201) of the rotor.
3. The structure of axial flux motor for ceiling fan according to claim 2, wherein the support rotating assembly (40) comprises a flat support bearing (401) disposed between the rotor disc (20) and the stator assembly, the lower support ring of the flat support bearing (401) is fixedly connected to the stator assembly, and the upper support ring of the flat support bearing (401) is fixedly connected to the lower side of the rotor disc (20).
4. The axial flux motor structure for ceiling fan according to claim 1, wherein the rotating member (30) is a first thrust bearing disposed between the through hole (201) and the stator shaft (10) and having a centripetal force downward along the axial direction, the inner ring of the first thrust bearing is fixedly connected to the stator shaft (10), and the outer ring of the first thrust bearing is fixedly connected to the inner wall of the through hole (201).
5. The axial flux motor structure for the ceiling fan of claim 4, wherein the supporting and rotating assembly (40) comprises a supporting and rotating cylinder (402) fixedly connected with the rotor disc (20), a second thrust bearing (403) which is located between the supporting and rotating cylinder (402) and the stator shaft (10) and has a centripetal force upward along the axial direction, the inner ring of the second thrust bearing (403) is fixedly connected with the stator shaft (10) relatively, and the outer ring of the second thrust bearing (403) is fixedly connected with the inner wall of the supporting and rotating cylinder (402); the first thrust bearing is positioned above the second thrust bearing (403), the inner ring of the first thrust bearing is relatively and fixedly connected with the stator shaft (10), and the outer ring of the first thrust bearing is relatively and fixedly connected with the inner wall of the supporting rotating cylinder (402).
6. The axial flux motor structure for the ceiling fan of claim 5, wherein the supporting rotary drum (402) is provided with a supporting shoulder (4021) on its outer wall for engaging with the rotor through hole (201), and when the rotor disc (20) is connected to the supporting rotary drum (402), the upper end surface of the supporting shoulder (4021) abuts against the lower edge of the rotor through hole (201) to prevent the rotor disc (20) from moving downward in the axial direction relative to the stator shaft (10).
7. The structure of axial flux motor for ceiling fan as claimed in claim 5, wherein the inner wall of the supporting rotary cylinder (402) is provided with a limit protruding ring (4022), and the first thrust bearing and the second thrust bearing (403) are respectively located on the upper and lower sides of the limit protruding ring (4022).
8. A smooth-running axial-flux motor structure for ceiling fans as claimed in claim 5, wherein the stator shaft (10) has a stop shoulder (103) formed integrally therewith for preventing the second thrust bearing (403) from shifting axially downward relative to the stator shaft (10) when the second thrust bearing (403) is assembled to the stator shaft (10).
9. The axial-flux motor structure for a ceiling fan of any one of claims 1 to 8, wherein the stator shaft (10) is connected with a limiting component (104) for preventing the rotor component from moving upwards along the axial direction relative to the stator shaft (10).
10. The axial flux motor structure for ceiling fans of claim 9, wherein the limit component (104) is a limit nut screwed on the stator shaft (10) for preventing the rotor component from moving upward axially relative to the stator shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222434746.6U CN218183140U (en) | 2022-09-14 | 2022-09-14 | Axial flux motor structure applied to ceiling fan and stable in operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222434746.6U CN218183140U (en) | 2022-09-14 | 2022-09-14 | Axial flux motor structure applied to ceiling fan and stable in operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218183140U true CN218183140U (en) | 2022-12-30 |
Family
ID=84623565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222434746.6U Active CN218183140U (en) | 2022-09-14 | 2022-09-14 | Axial flux motor structure applied to ceiling fan and stable in operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218183140U (en) |
-
2022
- 2022-09-14 CN CN202222434746.6U patent/CN218183140U/en active Active
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