CN220134234U - Cowshed external rotor fan - Google Patents
Cowshed external rotor fan Download PDFInfo
- Publication number
- CN220134234U CN220134234U CN202321551798.XU CN202321551798U CN220134234U CN 220134234 U CN220134234 U CN 220134234U CN 202321551798 U CN202321551798 U CN 202321551798U CN 220134234 U CN220134234 U CN 220134234U
- Authority
- CN
- China
- Prior art keywords
- external rotor
- cowshed
- main shaft
- fan according
- rotor motor
- Prior art date
- 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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Links
- 238000009434 installation Methods 0.000 claims description 23
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 210000005069 ears Anatomy 0.000 description 3
- 241000287828 Gallus gallus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a cowshed outer rotor fan which comprises an outer frame, a vent arranged in the outer frame and a fan assembly arranged in the vent, wherein the fan assembly comprises a mounting shell, an outer rotor motor and a plurality of blades, the mounting shell, the outer rotor motor and the blades are sequentially arranged along the axial direction of the vent, the mounting shell is connected with the outer frame, the outer rotor motor is connected with the mounting shell, and the blades are connected with the outer rotor motor. The utility model has the effect of improving the service life to a certain extent.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a cowshed outer rotor fan.
Background
The fan is a machine which can increase the pressure of gas and discharge the gas by means of the input mechanical energy, is a driven fluid machine, and can be divided into: the fan for the cowshed and the fan for the chicken house are also called plate type fans, and the fan for the chicken house is also called push-pull type fans.
At present, there are multiple styles of fans for cowhouses sold in the market, wherein, as the chinese patent with application number 2019206880111 discloses a motor for the fan for the cowhouses, the holistic temperature of cowhouses is higher under the high temperature environment in summer, and above-mentioned motor is the inner rotor motor, and the inner rotor motor itself has the not good defect of radiating effect, will influence life to a certain extent when the high temperature of inner rotor motor.
Disclosure of Invention
In order to improve the service life to a certain extent, the utility model provides an external rotor fan for a cowshed.
The utility model provides a cowshed outer rotor fan which adopts the following technical scheme:
the utility model provides a cowshed external rotor fan, includes outer frame, sets up the vent in outer frame to and set up the fan subassembly in the vent, the fan subassembly is including installation casing, external rotor motor and a plurality of blade, the installation casing external rotor motor and a plurality of blade follow in proper order the vent axial direction sets up, the installation casing connect in outer frame, external rotor motor connects on the installation casing, a plurality of the blade is connected on the external rotor motor.
Optionally, be provided with a plurality of installation ears on the outer wall of installation casing, circumference interval is provided with a plurality of connecting rods on the outer frame, the tip of connecting rod passes through the bolt fastening on the installation ear.
Optionally, the outer rotor motor includes main shaft, inner stator and outer rotor, the upper end fixed connection of main shaft is in on the installation casing, the inner stator is fixed to be set up on the main shaft, the outer rotor rotates to install on the main shaft and cladding in the inner stator is outer in order to form the cooperation with the inner stator, a plurality of the blade is connected on the outer rotor.
Optionally, the external rotor includes the shell body, sets up upper end cover and the lower extreme at shell body both ends, the upper end cover with the middle part position of lower extreme is installed through the bearing on the main shaft, be provided with on the inner wall of shell body circumference with a plurality of magnet steel of interior formation complex, a plurality of blades are connected on the lower extreme.
Optionally, the blade is provided with the connecting block, the interval is equipped with a plurality of connecting holes on the connecting block, be provided with in the connecting hole and be used for connecting the connecting screw on the lower extreme lid.
Optionally, a mounting hole for the upper end of the spindle to pass through is formed in the mounting shell, and a fixing nut matched with the mounting hole is connected to the upper end of the spindle in a threaded manner.
Optionally, a decorative cover is screwed at the lower end of the main shaft.
Optionally, a circuit board for controlling the outer rotor motor is arranged in the mounting shell.
Optionally, the top of installation casing is provided with the heat dissipation line.
Optionally, the outer frame is provided with along the border of vent and gathers the windscreen limit, gather the windscreen limit to keeping away from fan subassembly one side and be loudspeaker form expansion.
In summary, the present utility model includes at least one of the following beneficial technical effects:
the external rotor motor has the advantage of better heat dissipation performance compared with the internal rotor motor, so that when the external rotor motor is applied to the cowshed fan, the external rotor motor has the characteristic of better heat dissipation performance due to high overall environment temperature in summer of the cowshed, and the service life of the cowshed fan is prolonged to a certain extent.
Drawings
Fig. 1 is a first structural schematic diagram of a cowshed outer rotor fan.
Fig. 2 is a second structural schematic diagram of the cowshed outer rotor fan.
FIG. 3 is a schematic structural view of a fan assembly.
Fig. 4 is a schematic structural view of the outer rotor.
Reference numerals illustrate: 1. an outer frame; 11. a connecting rod; 2. a vent; 3. a fan assembly; 31. a mounting shell; 311. heat dissipation lines; 312. a mounting ear; 32. an outer rotor motor; 321. a main shaft; 3211. a fixing nut; 322. an inner stator; 323. an outer rotor; 3231. an outer housing; 3232. an upper end cap; 3233. a lower end cap; 3234. magnetic steel; 33. a blade; 331. a connecting block; 34. a decorative cover; 4. and (5) gathering the windshield edge.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The utility model provides a cowshed external rotor fan, refer to the fig. 1 and the fig. 2 shows, including outer frame 1, set up vent 2 in outer frame 1 and set up the fan subassembly 3 in vent 2, outer frame 1 wholly is square setting, vent 2 is circular and sets up the middle part position at outer frame 1, fan subassembly 3 sets up in the middle part of vent 2, outer frame 1 is provided with along the border of vent 2 and gathers windscreen limit 4, gathers windscreen limit 4 to keeping away from fan subassembly 3 one side and be loudspeaker form expansion.
Referring to fig. 2 and 3, the fan assembly 3 includes a mounting housing 31, an outer rotor motor 32, and a plurality of blades 33, the mounting housing 31, the outer rotor motor 32, and the plurality of blades 33 are sequentially disposed along an axial direction of the ventilation opening 2, the mounting housing 31 is connected to the outer frame 1, the outer rotor motor 32 is connected to the mounting housing 31, and the plurality of blades 33 are connected to the outer rotor motor 32.
In one embodiment, the number of the blades 33 is three, and of course, the number of the blades 33 may be set according to actual situations, and the present embodiment is not particularly limited.
Be provided with the circuit board that is used for controlling external rotor motor 32 in the installation casing 31, the top of installation casing 31 is provided with heat dissipation line 311, is provided with a plurality of installation ears 312 on the outer wall of installation casing 31, and the circumference interval is provided with a plurality of connecting rods 11 on the outer frame 1, and connecting rod 11 passes through welded mode to be fixed on outer frame 1, and the tip of connecting rod 11 passes through the bolt fastening on installation ears 312.
The outer rotor motor 32 comprises a main shaft 321, an inner stator 322 and an outer rotor 323, wherein the upper end of the main shaft 321 is fixedly connected to the mounting shell 31, the inner stator 322 is fixedly arranged on the main shaft 321, the outer rotor 323 is rotatably mounted on the main shaft 321 and is coated outside the inner stator 322 to be matched with the inner stator 322, and a plurality of blades 33 are connected to the outer rotor 323. Wherein, the main shaft 321 is provided with a wiring hole along the axial direction thereof, and the electric wires led out from the circuit board in the installation housing 31 enter the outer rotor motor 32 through the wiring hole to be connected with the inner stator 322.
Referring to fig. 3 and 4, the outer rotor 323 includes an outer casing 3231, an upper end cover 3232 and a lower end cover 3233 provided at both ends of the outer casing 3231, the upper end cover 3232 and the lower end cover 3233 are fixed at both ends of the outer casing 3231 by a flange structure, middle positions of the upper end cover 3232 and the lower end cover 3233 are mounted on the main shaft 321 by bearings, a plurality of magnetic steels 3234 forming a fit with the inner stator 322 are circumferentially provided on an inner wall of the outer casing 3231, and a plurality of blades 33 are connected to the lower end cover 3233. Wherein, be provided with connecting block 331 on the blade 33, the interval is equipped with a plurality of connecting holes on the connecting block 331, is provided with the connecting screw that is used for connecting on bottom end cover 3233 in the connecting hole.
The installation shell 31 is provided with a mounting hole for the upper end of the main shaft 321 to pass through, the upper end and the lower end of the main shaft 321 are both provided with thread segments, the upper end of the main shaft 321 is in threaded connection with a fixing nut 3211 matched with the mounting hole, and the fixing thread is abutted against the inner wall of the installation shell 31 so as to fix the main shaft 321 on the installation shell 31.
The lower end of the main shaft 321 is in threaded connection with a decorative cover 34, and the middle position of the decorative cover 34 is in threaded connection with a threaded section at the lower end of the main shaft 321.
Because the overall temperature of the cowshed is higher in summer, the external rotor motor 32 has the advantage of better heat dissipation performance compared with the internal rotor motor, so that when the external rotor motor 32 is applied to a cowshed fan, the external rotor motor 32 has the characteristic of better heat dissipation performance, and the service life of the cowshed fan is prolonged to a certain extent.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. The utility model provides a cowshed external rotor fan, includes outer frame (1), vent (2) of setting in outer frame (1) and fan subassembly (3) of setting in vent (2), a serial communication port, fan subassembly (3) are including installation casing (31), external rotor motor (32) and a plurality of blade (33), installation casing (31) external rotor motor (32) and a plurality of blade (33) follow in proper order vent (2) axial direction sets up, installation casing (31) connect in outer frame (1), external rotor motor (32) connect on installation casing (31), a plurality of blade (33) are connected on external rotor motor (32).
2. The cowshed external rotor fan according to claim 1, wherein a plurality of mounting lugs (312) are arranged on the outer wall of the mounting shell (31), a plurality of connecting rods (11) are circumferentially arranged on the outer frame (1) at intervals, and the end parts of the connecting rods (11) are fixed on the mounting lugs (312) through bolts.
3. The cowshed external rotor fan according to claim 1, wherein the external rotor motor (32) comprises a main shaft (321), an internal stator (322) and an external rotor (323), the upper end of the main shaft (321) is fixedly connected to the installation shell (31), the internal stator (322) is fixedly arranged on the main shaft (321), the external rotor (323) is rotatably arranged on the main shaft (321) and coated outside the internal stator (322) to form a fit with the internal stator (322), and a plurality of blades (33) are connected to the external rotor (323).
4. A cowshed external rotor fan according to claim 3, characterized in that the external rotor (323) comprises an external shell (3231), an upper end cover (3232) and a lower end cover (3233) which are arranged at two ends of the external shell (3231), the middle parts of the upper end cover (3232) and the lower end cover (3233) are arranged on the main shaft (321) through bearings, a plurality of magnetic steels (3234) which are matched with the internal stator (322) are circumferentially arranged on the inner wall of the external shell (3231), and a plurality of blades (33) are connected on the lower end cover (3233).
5. The cowshed external rotor fan according to claim 4, wherein the blades (33) are provided with connecting blocks (331), the connecting blocks (331) are provided with a plurality of connecting holes at intervals, and connecting screws for connecting the lower end cover (3233) are arranged in the connecting holes.
6. A cowshed external rotor fan according to claim 3, characterized in that the mounting shell (31) is provided with a mounting hole for the upper end of the main shaft (321) to pass through, and the upper end of the main shaft (321) is connected with a fixing nut (3211) matched with the mounting hole in a threaded manner.
7. A cowshed external rotor fan according to claim 3, characterized in that the lower end of the main shaft (321) is connected with a decorative cover (34) by screw threads.
8. The cowshed outer rotor fan according to claim 1, wherein a circuit board for controlling an outer rotor motor (32) is arranged in the mounting housing (31).
9. The cowshed external rotor fan according to claim 8, wherein the top of the mounting housing (31) is provided with heat dissipation grains (311).
10. Cowshed external rotor fan according to claim 1, characterized in that the outer frame (1) is provided with a wind gathering edge (4) along the edge of the ventilation opening (2), and the wind gathering edge (4) is flared towards the side away from the fan assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321551798.XU CN220134234U (en) | 2023-06-17 | 2023-06-17 | Cowshed external rotor fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321551798.XU CN220134234U (en) | 2023-06-17 | 2023-06-17 | Cowshed external rotor fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134234U true CN220134234U (en) | 2023-12-05 |
Family
ID=88953709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321551798.XU Active CN220134234U (en) | 2023-06-17 | 2023-06-17 | Cowshed external rotor fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134234U (en) |
-
2023
- 2023-06-17 CN CN202321551798.XU patent/CN220134234U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |