CN213937709U - Novel birotor ceiling fan motor structure - Google Patents
Novel birotor ceiling fan motor structure Download PDFInfo
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- CN213937709U CN213937709U CN202023019280.0U CN202023019280U CN213937709U CN 213937709 U CN213937709 U CN 213937709U CN 202023019280 U CN202023019280 U CN 202023019280U CN 213937709 U CN213937709 U CN 213937709U
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Abstract
The utility model provides a pair of novel birotor ceiling fan motor structure, including stator module, external rotor subassembly, inner rotor subassembly, big flabellum group and little flabellum group, stator module includes hoist and mount pole, goes up stator holder, lower stator holder, insulating stator, inner winding coil and outer winding coil, the external rotor subassembly includes outer rotor shell, external rotor iron core, external rotor magnet steel and first bearing, the inner rotor subassembly includes inner rotor axle, inner rotor magnet steel, second bearing and third bearing, big flabellum group includes a plurality of big flabellums, and is a plurality of big flabellum distribution connection is around outer rotor shell top, little flabellum group includes a plurality of little flabellums, and is a plurality of little flabellum is connected in the output of inner rotor axle. The utility model provides a when the motor drives the flabellum and rotates during operation, can form the relatively broad wind of scope, can make ceiling fan below center experience the novel birotor ceiling fan motor structure of the amount of wind again when the flabellum rotates.
Description
Technical Field
The utility model belongs to the technical field of the fan technique and specifically relates to a novel birotor ceiling fan motor structure.
Background
At present, electric fans are various in variety and roughly divided into two types: the fan is a floor type or desk type fan, a motor with a stator wound with a winding coil outside and a magnet rotor inside is generally adopted in the fan, the torsion of the inner rotor motor is small, the fan mainly drives small-size fan blades with the size of 16 inches to 40 inches, the wind range formed when the fan blades rotate is narrow, and the wind quantity cannot be sensed after the fan blades exceed a certain range; the other type is a ceiling fan, a motor wound with a winding coil and a magnet rotor is arranged inside the ceiling fan, the torque of the motor with the outer rotor is large, so that the fan mainly drives 56-inch to 100-inch large-size fan blades, and the adopted fan blades are large, so that although the wind range formed by the rotation of the fan blades is wide, the wind quantity below the center of the ceiling fan is small. Therefore, the current electric fan still has great improvement space.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model provides an at the motor drive flabellum rotation during operation, can form the relatively broad wind of scope when the flabellum rotates, can make ceiling fan below center experience the novel birotor ceiling fan motor structure of amount of wind again.
The utility model discloses a realize above-mentioned purpose like this:
a novel double-rotor ceiling fan motor structure comprises a stator assembly, an outer rotor assembly, an inner rotor assembly, a large fan blade group and a small fan blade group, wherein the stator assembly comprises a hoisting rod, an upper stator seat, a lower stator seat, an insulating stator, an inner winding coil and an outer winding coil;
the outer rotor assembly comprises an outer rotor shell, an outer rotor iron core, outer rotor magnetic steel and a first bearing, wherein the bottom of the outer rotor shell is open, the outer rotor iron core is installed in the open, a plurality of outer rotor magnetic steel are distributed on the outer rotor iron core at intervals, the center of the top of the outer rotor shell is provided with a shaft hole, the first bearing is embedded in the shaft hole, the first bearing is sleeved and connected with the outer side of the hoisting rod, and the outer rotor shell is rotatably connected with the hoisting rod through the first bearing and surrounds the outer side of the insulating stator through the plurality of outer rotor magnetic steel in the open;
the inner rotor assembly comprises an inner rotor shaft, inner rotor magnetic steel, a second bearing and a third bearing, the second bearing, the inner rotor magnetic steel and the third bearing are sequentially sleeved on the outer side of the inner rotor shaft from top to bottom, a second bearing embedding hole is formed in the center of the upper stator seat, a third bearing embedding hole is formed in the center of the lower stator seat, the inner rotor assembly is respectively embedded in the second bearing embedding hole and the third bearing embedding hole through the second bearing and the third bearing and penetrates through the insulating stator, and the output end of the inner rotor shaft penetrates through the third bearing embedding hole and protrudes out of the bottom of the lower stator seat;
the large fan blade group comprises a plurality of large fan blades which are distributed and connected around the top of the outer rotor shell;
the small fan blade group comprises a plurality of small fan blades, and the small fan blades are connected to the output end of the inner rotor shaft.
The outer rotor shell is provided with a reinforced bearing ring in an upward mode on the edge of the shaft hole, and a fourth bearing is arranged between the reinforced bearing ring and the hoisting rod.
The reinforced bearing ring is internally provided with a first limiting ring with the inner diameter smaller than the outer diameter of the first bearing on the first bearing towards the inner ring, and the edge of the top of the first bearing is abutted against the first limiting ring.
The surface of an inner rotor shaft between the inner rotor magnetic steel and the third bearing is concavely provided with a clamping groove, a clamping piece is clamped in the clamping groove, a second limiting ring with the inner diameter smaller than that of the third bearing is arranged on the lower stator seat in the edge of the third bearing embedding hole in an inward ring mode, and the edge of the bottom of the third bearing is abutted to the second limiting ring.
Wherein, still be equipped with and protect the magnet ring, protect the magnet ring and inlay between outer rotor iron core and outer rotor shell.
The upper stator seat, the insulating stator and the lower stator seat are correspondingly provided with locking screw holes in a penetrating mode respectively, and bolts sequentially penetrate through the locking screw holes of the upper stator seat, the insulating stator and the lower stator seat and are matched with locking nuts to clamp and fix the upper stator seat, the insulating stator and the lower stator seat.
The opening at the bottom of the outer rotor shell is connected with a dustproof ring, and the dustproof ring extends inwards to the outside of the lower stator seat.
The insulating stator comprises a stator core and an insulating wire sleeve which is integrally formed on the surface of the stator core.
The top of the outer rotor shell is also connected with a large fan blade ring seat, and the large fan blades are connected around the top of the outer rotor shell in a distributed manner through the large fan blade ring seat.
The output end of the inner rotor shaft is also connected with a small fan blade connecting seat, and the small fan blades are distributed and connected to the bottom of the small fan blade connecting seat.
The utility model has the advantages that: the utility model provides a novel birotor ceiling fan motor structure, compact structure is reasonable, make full use of the space inside the motor stator module, the stator module is designed into the stator structure with two sets of windings inside and outside simultaneously, the outer rotor module and the inner rotor module are integrated, the motor of the same ceiling fan can simultaneously rotate inwards and outwards, when the motor is driven, the outer winding generates the magnetic field for driving the outer rotor module to rotate, the outer rotor module rotates and drives the large fan blades distributed around the top of the outer rotor housing to rotate, the wind with wider range is formed, the inner winding simultaneously generates the magnetic field for driving the inner rotor module to rotate, the inner rotor module rotates and drives a plurality of small fan blades connected with the output end of the inner rotor shaft to rotate, the wind which can cover the small range of the center below the ceiling fan is formed, thus the wind energy formed when the ceiling fan works can cover the center and the outside below the ceiling fan, the use experience is improved.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial cross-sectional view of a portion of the motor;
FIG. 3 is an exploded view of the motor portion;
fig. 4 is a longitudinal sectional view of the insulated stator.
In the above drawings, 1 is a hoisting rod, 2 is an upper stator seat, 3 is a lower stator seat, 301 is a second limiting ring, 4 is an insulating stator, 401 is a winding groove, 402 is a stator iron core, 403 is an insulating wire sleeve, 5 is an inner winding coil, 6 is an outer winding coil, 7 is an outer rotor shell, 8 is an outer rotor iron core, 9 is an outer rotor magnetic steel, 10 is a first bearing, 11 is an inner rotor shaft, 1101 is a clamping groove 12 is an inner rotor magnetic steel, 13 is a second bearing, 14 is a third bearing, 15 is a large fan blade, 16 is a small fan blade, 17 is a reinforcing bearing ring, 1701 is a first limiting ring, 18 is a fourth bearing, 19 is a clamping sheet, 20 is a magnet protecting ring, 21 is a locking screw hole, 22 is a bolt, 23 is a locking nut, 24 is a dust preventing ring, 25 is a large ring seat, and 26 is a small fan blade connecting seat.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 4, a novel dual-rotor ceiling fan motor structure comprises a stator assembly, an outer rotor assembly, an inner rotor assembly, a large fan blade group and a small fan blade group, wherein the stator assembly comprises a hoisting rod 1, an upper stator seat 2, a lower stator seat 3, an insulating stator 4, an inner winding coil 5 and an outer winding coil 6, the bottom end of the hoisting rod 1 is fixedly connected with the top center of the upper stator seat 2, the upper stator seat 2 is matched with the lower stator seat 3 to clamp and fix the insulating stator 4, a plurality of winding slots 401 are respectively and uniformly formed in the inner side and the outer side of the insulating stator 4, and the inner winding coil 5 and the outer winding coil 6 are respectively embedded in the winding slots 401 in the inner side and the outer side of the insulating stator 4;
the outer rotor assembly comprises an outer rotor shell 7, an outer rotor iron core 8, outer rotor magnetic steel 9 and a first bearing 10, wherein the bottom of the outer rotor shell 7 is open, the outer rotor iron core 8 is installed in the open, the outer rotor magnetic steel 9 is distributed on the outer rotor iron core 8 at intervals, a shaft hole is formed in the center of the top of the outer rotor shell 7, the first bearing 10 is embedded in the shaft hole, the first bearing 10 is connected with the outer side of the hoisting rod 1 in a sleeved mode, and the outer rotor shell 7 is rotatably connected with the hoisting rod 1 through the first bearing 10 and surrounds the outer side of the insulating stator 4 through the outer rotor magnetic steel 9 in the open;
the inner rotor assembly comprises an inner rotor shaft 11, inner rotor magnetic steel 12, a second bearing 13 and a third bearing 14, the second bearing 13, the inner rotor magnetic steel 12 and the third bearing 14 are sequentially sleeved on the outer side of the inner rotor shaft 11 from top to bottom, a second bearing embedding hole is formed in the center of the upper stator seat 2, a third bearing embedding hole is formed in the center of the lower stator seat 3, the inner rotor assembly is respectively embedded in the second bearing embedding hole and the third bearing embedding hole through the second bearing 13 and the third bearing 14 and penetrates through the insulating stator 4, and the output end of the inner rotor shaft 11 penetrates through the third bearing embedding hole and protrudes out of the bottom of the lower stator seat 3;
the large fan blade group comprises a plurality of large fan blades 15, and the large fan blades 15 are distributed and connected around the top of the outer rotor shell 7;
the small fan blade group comprises a plurality of small fan blades 16, and the small fan blades 16 are connected to the output end of the inner rotor shaft 11.
The novel double-rotor ceiling fan motor structure of the utility model has compact and reasonable structure, fully utilizes the space inside the motor stator component, designs the stator component into a stator structure with two groups of windings inside and outside simultaneously, integrates the outer rotor component and the inner rotor component, ensures that the motor of the same ceiling fan can simultaneously rotate inwards and outwards, when the motor is driven, the outer winding generates a magnetic field for driving the outer rotor component to rotate, ensures that the outer rotor component rotates and drives the large fan blades 15 distributed around the top of the outer rotor shell 7 to rotate, forms wind with wider range, and the inner winding simultaneously generates a magnetic field for driving the inner rotor component to rotate, ensures that the inner rotor component rotates and drives the small fan blades 16 connected with the output end of the inner rotor shaft 11 to rotate, forms wind capable of covering the small range of the center below the ceiling fan, thus the wind energy formed when the ceiling fan works can simultaneously cover the center and the outside of the lower part of the ceiling fan, the use experience is improved.
In order to strengthen the connection strength of the outer rotor shell 7 and the fish hoisting rod 1 and improve the stability when the outer rotor shell 7 drives the large fan blade group to rotate, the outer rotor shell 7 is annularly provided with a reinforced bearing ring 17 upwards on the edge of the shaft hole, and a fourth bearing 18 is arranged between the reinforced bearing ring 17 and the hoisting rod 1.
In order to avoid the utility model discloses a ceiling fan during operation first bearing 10 drops and leads to outer rotor shell 7 and the use that goes up stator seat 2 to take place friction influence ceiling fan because of wearing and tearing from the shaft hole, it is equipped with the retaining ring that the internal diameter is less than first bearing 10 external diameter to go to the inner ring in first bearing 10 to consolidate in bearing ring 17, the marginal butt at first bearing 10 top first retaining ring 1701, first retaining ring 1701 can also effectually prevent that fourth bearing 18 from becoming flexible and dropping on first bearing 10 simultaneously.
In order to avoid the utility model discloses a ceiling fan during operation inner rotor shaft 11 drops the injury that leads to inner rotor shaft 11 and little flabellum group to the ceiling fan down people to cause because of using wearing and tearing to come off in inner rotor magnet steel 12, the concave screens groove 1101 that is equipped with in surface of inner rotor shaft 11 between inner rotor magnet steel 12 and the third bearing 14, screens piece 19 is equipped with to the screens inslot card, stator holder 3 is equipped with the second limit ring 301 that the internal diameter is less than third bearing 14 in the edge of third bearing inlay dress hole ring inwards, the edge butt of the bottom of third bearing 14 second limit ring 301.
In order to prevent the magnetic force of the outer rotor magnetic steels 9 arranged on the outer rotor iron core 8 from being disturbed by the outside of the outer rotor shell 7 and being scattered, a protection magnet ring 20 is further arranged, and the protection magnet ring 20 is embedded between the outer rotor iron core 8 and the outer rotor shell 7.
In order to improve the clamping strength of the stator seat and the lower stator seat 3 to the insulating stator 4, the upper stator seat 2, the insulating stator 4 and the lower stator seat 3 are respectively and correspondingly provided with locking screw holes 21 in a penetrating manner, and bolts 22 sequentially penetrate through the locking screw holes 21 of the upper stator seat 2, the insulating stator 4 and the lower stator seat 3 and are matched with locking nuts 23 to clamp and fix the upper stator seat 2, the insulating stator 4 and the lower stator seat 3.
In order to avoid the influence on the motor performance caused by the fact that impurities such as dust in the air enter the motor from the outside of the outer rotor shell 7, a dust ring 24 is connected to an opening at the bottom of the outer rotor shell 7, and the dust ring 24 extends inwards to the outside of the lower stator seat 3.
In order to improve the performance of the insulated stator 4 and avoid the phenomenon that the motor is over-withstand voltage due to the fact that the insulated stator 4 buckled by the upper and lower insulated wire racks scratches an enameled wire due to tolerance during winding, the insulated stator 4 comprises a stator core 402 and an insulated wire sleeve 403 integrally formed on the surface of the stator core 402.
In order to facilitate daily disassembly and assembly and maintenance, the top of the outer rotor shell 7 is further connected with a large fan blade ring seat 25, and the large fan blades 15 are distributed and connected around the top of the outer rotor shell 7 through the large fan blade ring seat 25.
In order to facilitate daily disassembly and assembly and maintenance, the output end of the inner rotor shaft 11 is further connected with a small fan blade connecting seat 26, and the small fan blades 16 are distributed and connected to the bottom of the small fan blade connecting seat 26.
Claims (10)
1. The utility model provides a novel birotor ceiling fan motor structure, includes stator module, external rotor subassembly, inner rotor subassembly, big flabellum group and flabellum group, its characterized in that:
the stator assembly comprises a hoisting rod (1), an upper stator seat (2), a lower stator seat (3), an insulating stator (4), an inner winding coil (5) and an outer winding coil (6), the bottom end of the hoisting rod (1) is fixedly connected with the center of the top of the upper stator seat (2), the upper stator seat (2) is matched with the lower stator seat (3) to clamp and fix the insulating stator (4), a plurality of winding grooves (401) are respectively and uniformly formed in the inner side and the outer side of the insulating stator (4), and the inner winding coil (5) and the outer winding coil (6) are respectively embedded in the winding grooves (401) in the inner side and the outer side of the insulating stator (4);
the outer rotor assembly comprises an outer rotor shell (7), an outer rotor iron core (8), outer rotor magnetic steel (9) and a first bearing (10), wherein the bottom of the outer rotor shell (7) is open, the outer rotor iron core (8) is installed in the open, a plurality of outer rotor magnetic steel (9) are distributed on the outer rotor iron core (8) at intervals, a shaft hole is formed in the center of the top of the outer rotor shell (7), the first bearing (10) is embedded in the shaft hole, the first bearing (10) is connected with the outer side of the hoisting rod (1) in a sleeved mode, the outer rotor shell (7) is rotatably connected with the hoisting rod (1) through the first bearing (10) and surrounds the outer side of the insulating stator (4) through the plurality of outer rotor magnetic steel (9) in the open;
the inner rotor assembly comprises an inner rotor shaft (11), inner rotor magnetic steel (12), a second bearing (13) and a third bearing (14), the second bearing (13), the inner rotor magnetic steel (12) and the third bearing (14) are sequentially sleeved on the outer side of the inner rotor shaft (11) from top to bottom, a second bearing embedding hole is formed in the center of the upper stator base (2), a third bearing embedding hole is formed in the center of the lower stator base (3), the inner rotor assembly is respectively embedded with the second bearing embedding hole and the third bearing embedding hole through the second bearing (13) and the third bearing (14), the third bearing embedding hole penetrates through the insulating stator (4), and the output end of the inner rotor shaft (11) penetrates through the third bearing embedding hole and protrudes out of the bottom of the lower stator base (3);
the large fan blade group comprises a plurality of large fan blades (15), and the large fan blades (15) are distributed and connected around the top of the outer rotor shell (7);
the small fan blade group comprises a plurality of small fan blades (16), and the small fan blades (16) are connected to the output end of the inner rotor shaft (11).
2. The novel dual rotor ceiling fan motor structure of claim 1, wherein: the outer rotor shell (7) is provided with a reinforced bearing ring (17) in an upward ring mode on the edge of the shaft hole, and a fourth bearing (18) is arranged between the reinforced bearing ring (17) and the hoisting rod (1).
3. The novel dual rotor ceiling fan motor structure of claim 2, wherein: the reinforced bearing ring (17) is provided with a first limit ring (1701) having an inner diameter smaller than the outer diameter of the first bearing (10) inwardly of the first bearing (10) towards the inner ring, the edge of the top of the first bearing (10) abutting the first limit ring (1701).
4. The novel dual rotor ceiling fan motor structure of claim 1, wherein: the concave screens groove (1101) that is equipped with in the surface of inner rotor axle (11) between inner rotor magnet steel (12) and third bearing (14), screens piece (19) are equipped with to screens groove (1101) inside the card, stator seat (3) encircle inwards in the edge that the third bearing inlays the dress hole and are equipped with second limit ring (301) that the internal diameter is less than third bearing (14) down, the edge butt of the bottom of third bearing (14) second limit ring (301).
5. The novel dual rotor ceiling fan motor structure of claim 1, wherein: and a magnet protecting ring (20) is also arranged, and the magnet protecting ring (20) is embedded between the outer rotor iron core (8) and the outer rotor shell (7).
6. The novel dual rotor ceiling fan motor structure of claim 1, wherein: the upper stator seat (2), the insulating stator (4) and the lower stator seat (3) are correspondingly provided with locking screw holes (21) in a penetrating mode respectively, and bolts (22) sequentially penetrate through the locking screw holes (21) of the upper stator seat (2), the insulating stator (4) and the lower stator seat (3) and are matched with locking nuts (23) to clamp and fix the upper stator seat (2), the insulating stator (4) and the lower stator seat (3).
7. The novel dual rotor ceiling fan motor structure of claim 1, wherein: the opening at the bottom of the outer rotor shell (7) is connected with a dustproof ring (24), and the dustproof ring (24) extends inwards to the outside of the lower stator seat (3).
8. The novel dual rotor ceiling fan motor structure of claim 1, wherein: the insulated stator (4) comprises a stator core (402) and an insulated wire sleeve (403) which is integrally formed on the surface of the stator core (402).
9. The novel dual rotor ceiling fan motor structure of claim 1, wherein: the top of the outer rotor shell (7) is also connected with a large fan blade ring seat (25), and the large fan blades (15) are distributed and connected around the top of the outer rotor shell (7) through the large fan blade ring seat (25).
10. The novel dual rotor ceiling fan motor structure of claim 1, wherein: the output end of the inner rotor shaft (11) is also connected with a small fan blade connecting seat (26), and the small fan blades (16) are distributed and connected to the bottom of the small fan blade connecting seat (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023019280.0U CN213937709U (en) | 2021-06-07 | 2021-06-07 | Novel birotor ceiling fan motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023019280.0U CN213937709U (en) | 2021-06-07 | 2021-06-07 | Novel birotor ceiling fan motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213937709U true CN213937709U (en) | 2021-08-10 |
Family
ID=77152259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023019280.0U Active CN213937709U (en) | 2021-06-07 | 2021-06-07 | Novel birotor ceiling fan motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213937709U (en) |
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2021
- 2021-06-07 CN CN202023019280.0U patent/CN213937709U/en active Active
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