CN218482748U - Outer rotor permanent magnet frequency conversion centrifugal fan - Google Patents
Outer rotor permanent magnet frequency conversion centrifugal fan Download PDFInfo
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- CN218482748U CN218482748U CN202222418416.8U CN202222418416U CN218482748U CN 218482748 U CN218482748 U CN 218482748U CN 202222418416 U CN202222418416 U CN 202222418416U CN 218482748 U CN218482748 U CN 218482748U
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- centrifugal fan
- end cover
- bearing
- fan
- stator
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Abstract
The utility model discloses an external rotor permanent magnetism frequency conversion centrifugal fan, including the centrifugal fan body, the centrifugal fan body includes the motor fixed axle, the stator, the rotor, first bearing, the second bearing, first end cover, the second end cover, the fan fixed plate, a plurality of magnet steel and centrifugal impeller, the utility model relates to an external rotor permanent magnetism frequency conversion centrifugal fan, this centrifugal fan pass through the stator assembly on the motor fixed axle, on emboliaing the motor fixed axle with the bearing respectively again, paste the magnet steel on the rotor, assemble together the motor fixed axle after the combination with the rotor center after the combination again, the staff assembles well and locks the end cover, assemble fan fixed plate and centrifugal impeller respectively on final sub-assembly at last, when centrifugal fan needs to be maintained, the reverse dismouting of staff can, when having avoided maintaining, the unable phenomenon of disassembling of part subassembly takes place, has reduced centrifugal fan's maintenance cost.
Description
Technical Field
The utility model relates to a centrifugal fan technical field specifically is an outer rotor permanent magnetism frequency conversion centrifugal fan.
Background
Centrifugal fan is as the important component part of ordinary household electrical apparatus, the result of use to household electrical apparatus plays important role, centrifugal fan's ventilation and air exchange effect are good, and, its convulsions effect is also very good, therefore, it is very suitable for and carries out the pipeline convulsions to be used for, perhaps air supply, centrifugal fan has fine adaptability, can be used for in the different environment, the noise is little when centrifugal fan moves, and can go on steadily, even if there is not damping device, fan bearing amplitude can be very little, so widely used, however, when centrifugal fan on the market goes wrong needs the maintenance, people find, partial subassembly on the centrifugal fan can't be disassembled, when maintainer uses brute force to disassemble the subassembly, the condemned phenomenon of subassembly can appear, centrifugal fan's maintenance cost has been increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an external rotor permanent magnetism frequency conversion centrifugal fan to when solving the centrifugal fan on the market that proposes in the above-mentioned background art problem need maintain, people discover, and the last partial subassembly of centrifugal fan can't be disassembled, and maintainer uses brute force to disassemble the subassembly, can appear subassembly condemned phenomenon, has increased centrifugal fan's the problem of maintenance cost.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outer rotor permanent magnetism frequency conversion centrifugal fan, includes the centrifugal fan body, the centrifugal fan body includes motor fixed axle, stator, rotor, first bearing, second bearing, first end cover, second end cover, fan fixed plate, a plurality of magnet steel and centrifugal impeller, the mid-mounting of motor fixed axle has the stator, it has first bearing and second bearing to install branch lieing in the stator both sides on the motor fixed axle, the outside of stator is equipped with the rotor, the inner wall of rotor is pasted and is connected with a plurality of magnet steel, first end cover is installed in the outside of first bearing, the second end cover is installed in the outside of second bearing, install the fan fixed plate that lies in first bearing one side on the motor fixed axle, the outer surface mounting of rotor has centrifugal impeller, and the installation of magnet steel, magnet steel produce vertically magnetic action with the magnetic suspension piece of the centrifugal impeller self that the metal material made, have guaranteed centrifugal impeller's balance to ensure can both with the vertical suspension state of bearing in the axle center of motor fixed axle at any angle, reduce the pressure of motor fixed axle.
Preferably, one side of the first end cover, which is far away from the fan fixing plate, is fixedly connected with one side of the first end cover, which is adjacent to the stator. The first end cap and the second end cap are limited from two sides of the stator.
Preferably, one side of the stator far away from the first end cover is fixedly connected with one side of the stator adjacent to the second end cover.
Preferably, the middle part of the motor fixing shaft is provided with a positioning hole, and the motor fixing shaft is connected with an external motor on one side of the centrifugal fan body.
Preferably, a plurality of fixing holes are formed in the surface of the fan fixing plate, and a worker can use a screwdriver to screw a screw for fixing to penetrate through the fixing hole formed in the fan fixing plate to fix the centrifugal fan body.
Compared with the prior art, the beneficial effects of the utility model are that: this centrifugal fan passes through the stator assembly on the motor fixed axle, on emboliaing the motor fixed axle with the bearing respectively again, paste the magnet steel on the rotor, the motor fixed axle after will making up again assembles together with the rotor center after the combination, the staff assembles the end cover and locks, assemble fan fixed plate and centrifugal impeller respectively on final sub-assembly at last, when centrifugal fan need maintain, the reverse dismouting of staff can, when having avoided maintaining, the phenomenon that partial subassembly can't be disassembled takes place, centrifugal fan's maintenance cost has been reduced.
Drawings
Fig. 1 is an internal schematic view of the present invention;
fig. 2 is a first side view of the present invention;
fig. 3 is a second side view of the present invention;
fig. 4 is a partial schematic view of the present invention.
In the figure: 1. a motor fixing shaft; 2. a fan fixing plate; 3. a first end cap; 4. a first bearing; 5. a stator; 6. a rotor; 7. a centrifugal impeller; 8. magnetic steel; 9. a second bearing; 10. a second end cap; 11. a centrifugal fan body; 12. positioning holes; 13. and (7) fixing holes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Please refer to fig. 1-4, the utility model provides an outer rotor permanent magnetism frequency conversion centrifugal fan, including centrifugal fan body 11, centrifugal fan body 11 includes motor fixed axle 1, stator 5, rotor 6, first bearing 4, second bearing 9, first end cover 3, second end cover 10, fan fixed plate 2, a plurality of magnet steel 8 and centrifugal impeller 7, the mid-mounting of motor fixed axle 1 has stator 5, it has first bearing 4 and second bearing 9 to install branch lieing in stator 5 both sides on motor fixed axle 1, the outside of stator 5 is equipped with rotor 6, the inner wall paste of rotor 6 is connected with a plurality of magnet steel 8, first end cover 3 is installed in the outside of first bearing 4, second end cover 10 is installed in the outside of second bearing 9, install fan fixed plate 2 that lies in first bearing 4 one side on motor fixed axle 1, the surface mounting of rotor 6 has centrifugal impeller 7, the installation of magnet steel 8, the magnet steel 8 produces perpendicular magnetic effect with the magnetic suspension piece of centrifugal impeller 7 self that the metal material made, the balance of centrifugal impeller 7 has been guaranteed, and the perpendicular suspension state of motor at any angle 1 can both ends the bearing and the axle center of motor can reduce the motor axle center.
One side of the first end cover 3 far away from the fan fixing plate 2 is fixedly connected with one side of the first end cover adjacent to the stator 5. The first end cap 3 and the second end cap 10 are restrained from both sides of the stator 5.
The side of the stator 5 away from the first end cap 3 is fixedly connected with the side adjacent to the second end cap 10.
The middle part of the motor fixing shaft 1 is provided with a positioning hole 12, and the motor fixing shaft 1 is connected with an external motor at one side of the centrifugal fan body 11.
The surface of the fan fixing plate 2 is provided with a plurality of fixing holes 13, and a worker can use a screwdriver to screw a screw for fixing to penetrate through the fixing hole 13 formed in the fan fixing plate 2 so as to fix the centrifugal fan body 11.
When the embodiment of the application is used: the centrifugal fan comprises a centrifugal fan body 11 fixed by a worker, the worker can use a screwdriver to screw a screw for fixing to penetrate through a fixing hole 13 formed in a fan fixing plate 2, the centrifugal fan body 11 is fixed, a motor fixing shaft 1 is connected with an external motor on one side of the centrifugal fan body 11, the external motor is started after being electrified, the external motor drives the motor fixing shaft 1 to rotate, a centrifugal impeller 7 on the motor fixing shaft 1 rotates, magnetic steel 8 and a magnetic levitation sheet of the centrifugal impeller 7 made of a metal material generate a perpendicular magnetic action, balance of the centrifugal impeller 7 is guaranteed, the perpendicular levitation state of a bearing and the axis of the motor fixing shaft 1 at any angle is guaranteed, pressure of the axis of the motor fixing shaft 1 is reduced, and when the worker needs to maintain the centrifugal fan body 11, the centrifugal fan comprises a volute 11, the motor fixing shaft 1, a stator 5, a rotor 6, a first bearing 4, a second bearing 9, a first end cover 3, a second end cover 10, the fan fixing plate 2 and the centrifugal impeller 7 which are orderly disassembled.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides an outer rotor permanent magnetism frequency conversion centrifugal fan, includes centrifugal fan body (11), its characterized in that: centrifugal fan body (11) include motor fixed axle (1), stator (5), rotor (6), first bearing (4), second bearing (9), first end cover (3), second end cover (10), fan fixed plate (2), a plurality of magnet steel (8) and centrifugal impeller (7), the mid-mounting of motor fixed axle (1) has stator (5), it has first bearing (4) and second bearing (9) to install branch position in stator (5) both sides on motor fixed axle (1), the outside of stator (5) is equipped with rotor (6), the inner wall paste of rotor (6) is connected with a plurality of magnet steel (8), first end cover (3) are installed in the outside of first bearing (4), second end cover (10) are installed in the outside of second bearing (9), install fan fixed plate (2) that are located first bearing (4) one side on motor fixed axle (1), the surface mounting of rotor (6) has centrifugal impeller (7).
2. The outer rotor permanent magnet variable frequency centrifugal fan of claim 1, characterized in that: one side of the first end cover (3) far away from the fan fixing plate (2) is fixedly connected with one side of the first end cover adjacent to the stator (5).
3. The outer rotor permanent magnet variable frequency centrifugal fan of claim 2, wherein: one side of the stator (5) far away from the first end cover (3) is fixedly connected with one side of the second end cover (10) adjacent to the first end cover.
4. The outer rotor permanent magnet variable frequency centrifugal fan of claim 1, wherein: the middle part of the motor fixing shaft (1) is provided with a positioning hole (12).
5. The outer rotor permanent magnet variable frequency centrifugal fan of claim 1, wherein: the surface of the fan fixing plate (2) is provided with a plurality of fixing holes (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222418416.8U CN218482748U (en) | 2022-09-13 | 2022-09-13 | Outer rotor permanent magnet frequency conversion centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222418416.8U CN218482748U (en) | 2022-09-13 | 2022-09-13 | Outer rotor permanent magnet frequency conversion centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218482748U true CN218482748U (en) | 2023-02-14 |
Family
ID=85167333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222418416.8U Active CN218482748U (en) | 2022-09-13 | 2022-09-13 | Outer rotor permanent magnet frequency conversion centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218482748U (en) |
-
2022
- 2022-09-13 CN CN202222418416.8U patent/CN218482748U/en active Active
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