CN111520342A - Low-noise outer rotor axial flow fan - Google Patents

Low-noise outer rotor axial flow fan Download PDF

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Publication number
CN111520342A
CN111520342A CN202010353328.7A CN202010353328A CN111520342A CN 111520342 A CN111520342 A CN 111520342A CN 202010353328 A CN202010353328 A CN 202010353328A CN 111520342 A CN111520342 A CN 111520342A
Authority
CN
China
Prior art keywords
fixed
fan
wall
support
fan body
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.)
Pending
Application number
CN202010353328.7A
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Chinese (zh)
Inventor
吕波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shengzhou Yuanxiang Electric Appliance Co ltd
Original Assignee
Shengzhou Yuanxiang Electric Appliance Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shengzhou Yuanxiang Electric Appliance Co ltd filed Critical Shengzhou Yuanxiang Electric Appliance Co ltd
Priority to CN202010353328.7A priority Critical patent/CN111520342A/en
Publication of CN111520342A publication Critical patent/CN111520342A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/003—Supply-air or gas filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a low-noise axial flow fan with an outer rotor, which comprises a support and a fan body, wherein the fan body is fixed on the upper end of a base and plays a role in supporting an object, the fan body comprises a blowing device, an air cooling device and a heating device, the blowing device is fixed on the inner wall of the fan body and is used for driving airflow to flow, the air cooling device is arranged on the inner wall of the support and is used for cooling the object, and the heating device is fixed on the inner wall of the fan body and is used for heating the airflow.

Description

Low-noise outer rotor axial flow fan
Technical Field
The invention relates to the field of axial flow fan equipment, in particular to a low-noise outer rotor axial flow fan.
Background
The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a casing, and is simple in structure but high in data requirement.
Traditional axial fan is at the in-process of long-term operation, and when the motor in the fan was in the state of operation for a long time, the problem that generates heat can appear in the motor in the fan, when motor temperature was too high, can lead to the life of motor to subtract the weak point, and when the fan was dried some edible materials simultaneously, because the fan drove the normal atmospheric temperature and dries, when leading to follow-up edible material to dry, the speed of drying reduced.
Disclosure of Invention
The invention aims to provide a low-noise axial flow fan with an outer rotor, which solves the problem that the service life of a motor is shortened when the temperature of the motor is too high, and simultaneously solves the problem that the drying speed is reduced when some food materials are dried subsequently.
The technical purpose of the invention is realized by the following technical scheme:
a low-noise axial flow fan with an outer rotor comprises a support, a fan body and a heating device, wherein the fan body is fixed on the upper end face of a base and plays a supporting role on an object, the fan body comprises a blowing device, an air cooling device and a heating device, the blowing device is fixed on the inner wall of the fan body and is used for driving airflow to flow, the air cooling device is arranged on the inner wall of the support and is used for cooling the object, the heating device is fixed on the inner wall of the fan body and is used for heating the airflow, the air cooling device comprises a supporting block, the supporting block is fixed on the inner wall of the fan body and is used for supporting the object, a double-shaft motor is fixed on the upper end face of the supporting block and is used for driving the object to rotate, a rotating rod I is fixed on an output shaft of the double-shaft motor, a bevel gear I which is meshed with the rotating rod I is fixed, the one end of bull stick two is fixed with and is used for driving bull stick three pivoted spur gear one, be provided with rotatory complex bull stick four in the support, the one end of bull stick three is fixed with and is used for driving bull stick four pivoted bevel gear two, the lower terminal surface of support runs through and has the exhaust vent that is used for the air current to flow, be provided with bull stick five in the exhaust vent, the one end of bull stick four is fixed with and is used for driving bull stick five pivoted bevel gear three, be fixed with the extension board on the exhaust vent inner wall, be fixed with on the inner wall of extension board and be used for carrying out the bearing two that fixes a position to bull stick five, the one end of bull stick five is fixed with and is used for driving the fan that the air current flows one, the exhaust vent internal fixation has and is used for carrying out filterable filter screen one to.
By adopting the technical scheme, when an employee needs to blow air, the double-shaft motor is started, the output shaft of the double-shaft motor can drive the first rotating rod to rotate, the first rotating rod can drive the first bevel gear to rotate, the first bevel gear can drive the first bevel gear to rotate, when the first bevel gear rotates, the first bevel gear rotates and drives the second rotating rod to rotate, the second rotating rod can drive the first straight gear to rotate, the first straight gear rotates and drives the first other straight gear to rotate, the first straight gear rotates and drives the third rotating rod to rotate, when the third rotating rod rotates, the third rotating rod rotates and drives the second bevel gear to rotate, the second bevel gear rotates and drives the second bevel gear to rotate, when the fourth rotating rod rotates, the fourth rotating rod rotates and drives the third bevel gear to rotate, and the third bevel gear rotates and drives the third bevel gear to rotate, the three rotations of another bevel gear can drive five rotations of bull stick, and when five rotations of bull stick, five rotations of bull stick can drive the fan and rotate, and when fan one rotated, the fan drove external air current for a moment and enters into the air-out downthehole, realized that the air current cools off through air-out hole pair double-shaft motor, when the air current entered into the air-out downthehole, a pair of air current of filter screen was filtered.
Preferably, the blowing device comprises a second fan arranged in the fan body, the other output shaft of the double-shaft motor is fixedly matched with the second fan, and first positioning plates for positioning the second fan are symmetrically fixed in the fan body.
By adopting the technical scheme, the rotation of the other output shaft of the double-shaft motor can drive the second fan to rotate, the second fan rotates to drive external air flow to enter the fan body, and when the air flow enters the fan body, the fan body can be driven to rotate.
As preferred, heating device fixes the fixed plate one that is used for fixing filter screen two on the inner wall of fan body one end including setting up filter screen two and the symmetry in the fan body, be fixed with the heating pipe one that is used for heating fixed plate one on the inner wall of fixed plate one, be provided with filter screen three on the inner wall that fixed plate one end was kept away from to the fan body, be fixed with fixed plate two that advances line location to filter screen three on the inner wall that fixed plate one end was kept away from to the fan body.
Adopt above-mentioned technical scheme, heating pipe one starts, heating pipe one to fixed plate one heats, after fixed plate one is heated, the fixed plate transmits for a moment for two temperatures of filter screen, realize the heating of filter screen two, when the air current enters into filter screen two, filter screen two can heat the air current, after the air current heating, the air current can enter into filter screen three through the fan body in, when the air current enters into filter screen three, the fixed plate is dual-purpose in location filter screen three, can pass through filter screen three when the air current, filter screen three filters the air current, realize the air current to the stoving of eating the material.
Preferably, a ring for moving the fan body is fixed to the upper end surface of the fan body.
By adopting the technical scheme, when the fan body needs to be lifted by a worker, the worker can lift the fan body by the circular ring.
Preferably, a first hinged door convenient for a worker to open the fan body is arranged on the side wall of the fan body.
By adopting the technical scheme, when the staff needs to maintain the double-shaft motor, the staff opens the first hinged door and maintains the double-shaft motor through the first hinged door.
Preferably, the lower end face of the support is provided with a support leg for supporting the support, and the support leg is in threaded fit with the support.
By adopting the technical scheme, the support legs are used for supporting the support.
Preferably, the lower end face of the support is fixed with a universal wheel convenient for the staff support.
By adopting the technical scheme, the universal wheels are convenient for the staff to move the support.
Preferably, a protective shell for protecting the double-shaft motor is fixed on the side wall of the double-shaft motor, and soundproof cotton for preventing noise is fixed on the inner wall of the protective shell.
Adopt above-mentioned technical scheme, the protective housing is used for protecting the biax motor, and the soundproof cotton is used for isolated noise in the biax motor.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
fig. 2 is a schematic view of an embodiment of a blowing device, an air cooling device and a heating device.
Reference numerals: 1. a support; 2. a fan body; 3. a blowing device; 4. an air cooling device; 5. a heating device; 6. a support block; 7. a double-shaft motor; 8. a first rotating rod; 9. a first bevel gear; 10. a second rotating rod; 11. a first bearing; 12. a third rotating rod; 13. a first straight gear; 14. a fourth rotating rod; 15. a second bevel gear; 16. an air outlet; 17. a fifth rotating rod; 18. a third bevel gear; 19. a support plate; 20. a second bearing; 21. a first fan; 22. a first filter screen; 23. a second fan; 24. a first positioning plate; 25. a second filter screen; 26. a first fixing plate; 27. heating a first pipe; 28. a third filter screen; 29. a second fixing plate; 30. a circular ring; 31. a first hinged door; 32. a support leg; 33. a universal wheel; 34. sound insulation cotton; 35. a protective shell.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
Referring to fig. 1 to 2, a low noise axial flow fan with an outer rotor comprises a support 1 and a fan body 2 fixed on the upper end of a base and supporting an object, and comprises a blowing device 3 fixed on the inner wall of the fan body 2 and used for driving an air flow to flow, an air cooling device 4 arranged on the inner wall of the support 1 and used for cooling the object, and a heating device 5 fixed on the inner wall of the fan body 2 and used for heating the air flow, wherein when a worker needs to blow air, the air cooling device 4 comprises a supporting block 6 fixed on the inner wall of the fan body 2 and used for supporting the object, a double-shaft motor 7 fixed on the upper end of the supporting block 6 and used for driving the object to rotate, a rotating rod I8 is fixed on the output shaft of the double-shaft motor 7, a bevel gear I9 engaged with the side wall of the rotating rod I8 is fixed, so that the double-shaft motor 7 is started, when the first rotating rod 8 rotates, the first bevel gear 9 rotates, the second bevel gear 9 rotates, when the first bevel gear 9 rotates, a second rotating rod 10 is fixed on the side wall of the second bevel gear 9, a first bearing 11 for positioning the second rotating rod 10 is fixed on the inner wall of the fan body 2, a third rotating rod 12 in rotating fit is arranged in the support 1, one end of the second rotating rod 10 is fixed with a first straight gear 13 for driving the third rotating rod 12 to rotate, so that the rotation of the first bevel gear 9 drives the second rotating rod 10 to rotate, the rotation of the second rotating rod 10 drives the first straight gear 13 to rotate, the rotation of the first straight gear 13 drives the third rotating rod 12 to rotate, when the third rotating rod 12 rotates, a fourth rotating rod 14 in rotating fit is arranged in the support 1, one end of the third rotating rod 12 is fixed with a second bevel gear 15 for driving the fourth rotating rod 14 to rotate, thereby the rotation of the third rotating rod 12 can drive the second bevel gear 15 to rotate, the rotation of the second bevel gear 15 can drive the rotation of the second bevel gear 15, the rotation of the second bevel gear 15 can drive the fourth rotating rod 14 to rotate, when the fourth rotating rod 14 rotates, the lower end surface of the support 1 penetrates through an air outlet 16 for airflow flowing, a fifth rotating rod 17 is arranged in the air outlet 16, one end of the fourth rotating rod 14 is fixed with a third bevel gear 18 for driving the fifth rotating rod 17 to rotate, so that the rotation of the fourth rotating rod 14 can drive the third bevel gear 18 to rotate, the rotation of the third bevel gear 18 can drive the fifth rotating rod 17 to rotate, when the fifth rotating rod 17 rotates, a support plate 19 is fixed on the inner wall of the air outlet 16, a second bearing 20 for positioning the fifth rotating rod 17 is fixed on the inner wall of the support plate 19, one end of the fifth rotating rod 17 is fixed with a, a first filter screen 22 for filtering air flow is fixed in the air outlet 16, so that when the first fan 21 rotates, the first fan 21 drives external air flow to enter the air outlet 16, the air flow cools the double-shaft motor 7 through the air outlet 16, and when the air flow enters the air outlet 16, the first filter screen 22 filters the air flow.
When an employee needs to dry food materials, the blowing device 3 comprises a second fan 23 arranged in the fan body 2, the other output shaft of the double-shaft motor 7 is fixedly matched with the second fan 23, first positioning plates 24 for positioning the second fan 23 are symmetrically fixed in the fan body 2, and the double-shaft motor 7 is in a running state, so that the other output shaft of the double-shaft motor 7 can drive the second fan 23 to rotate, the second fan 23 can drive external air flow into the fan body 2, when the air flow enters the fan body 2, the heating device 5 comprises a first filter screen 25 arranged in the fan body 2 and a first fixing plate 26 symmetrically fixed on the inner wall of one end of the fan body 2 and used for fixing the second filter screen 25, a first heating pipe 27 for heating the first fixing plate 26 is fixed on the inner wall of the first fixing plate 26, and a third filter screen 28 is arranged on the inner wall of the fan body 2 far away from the first fixing plate 26, a fixing plate II 29 for positioning the filter screen III 28 is fixed on the inner wall of the fan body 2 far away from the fixing plate I26, so that the heating pipe I27 is started, the heating pipe I27 heats the fixing plate I26, when the fixing plate I26 is heated, the fixing plate I26 transfers the temperature to the filter screen II 25 to heat the filter screen II 25, when airflow enters the filter screen II 25, the filter screen II 25 heats the airflow, when the airflow enters the filter screen III 28, the fixing plate II is used for positioning the filter screen III 28, when the airflow passes through the filter screen III 28, the filter screen III 28 filters the airflow, a ring 30 for moving the fan body 2 is fixed on the upper end face of the fan body 2, when an employee needs to lift the fan body 2, the employee can lift the fan body 2 through the ring 30, a hinged door I31 for facilitating the employee to open the fan body 2 is arranged on the side wall of the fan body 2, when staff need maintain biax motor 7, staff opens hinged door 31, maintain biax motor 7 through hinged door 31, the lower terminal surface of support 1 is provided with the stabilizer blade 32 that is used for supporting support 1, and stabilizer blade 32 and the 1 screw-thread fit of support, stabilizer blade 32 is used for supporting support 1, the lower terminal surface of support 1 is fixed with the universal wheel 33 of being convenient for staff support 1, universal wheel 33 is convenient for the staff to remove support 1, be fixed with the protective housing 35 that is used for protecting biax motor 7 on the lateral wall of biax motor 7, be fixed with soundproof cotton 34 of noise control on the inner wall of protective housing 35, protective housing 35 is used for protecting biax motor 7, soundproof cotton 34 is used for the noise in isolated biax motor 7.

Claims (8)

1. A low-noise axial flow fan with an outer rotor comprises a support (1) and a fan body (2) which is fixed on the upper end face of a base and plays a supporting role on an object, and is characterized by comprising a blowing device (3) which is fixed on the inner wall of the fan body (2) and used for driving airflow to flow, an air cooling device (4) which is arranged on the inner wall of the support (1) and used for cooling the object, and a heating device (5) which is fixed on the inner wall of the fan body (2) and used for heating the airflow, wherein the air cooling device (4) comprises a supporting block (6) which is fixed on the inner wall of the fan body (2) and used for supporting the object, a double-shaft motor (7) which is fixed on the upper end face of the supporting block (6) and used for driving the object to rotate is fixed on an output shaft of the double-shaft motor (7), a first rotating rod (8) is fixed on the, another be fixed with bull stick two (10) on the lateral wall of bevel gear one (9), be fixed with on the inner wall of fan body (2) and carry out bearing one (11) of fixing a position to bull stick two (10), be provided with rotation fit's bull stick three (12) in support (1), the one end of bull stick two (10) is fixed with and is used for driving bull stick three (12) pivoted straight-teeth gear one (13), be provided with rotation fit's bull stick four (14) in support (1), the one end of bull stick three (12) is fixed with and is used for driving bull stick four (14) pivoted bevel gear two (15), the lower terminal surface of support (1) runs through has exhaust vent (16) that is used for the air current to flow, be provided with bull stick five (17) in exhaust vent (16), the one end of bull stick four (14) is fixed with and is used for driving bull stick five (17) pivoted bevel gear three (18), a support plate (19) is fixed on the inner wall of the air outlet (16), a second bearing (20) used for positioning a fifth rotating rod (17) is fixed on the inner wall of the support plate (19), a first fan (21) used for driving airflow to flow is fixed at one end of the fifth rotating rod (17), and a first filter screen (22) used for filtering the airflow is fixed in the air outlet (16).
2. The low-noise axial flow fan with the outer rotor as recited in claim 1, wherein the blowing device (3) comprises a second fan (23) arranged in the fan body (2), and the other output shaft of the dual-shaft motor (7) is fixedly matched with the second fan (23), and first positioning plates (24) for positioning the second fan (23) are symmetrically fixed in the fan body (2).
3. The low-noise axial flow fan with the outer rotor as recited in claim 1, wherein the heating device (5) comprises a second filter screen (25) disposed in the fan body (2) and a first fixing plate (26) symmetrically fixed on an inner wall of one end of the fan body (2) for fixing the second filter screen (25), a first heating pipe (27) for heating the first fixing plate (26) is fixed on the inner wall of the first fixing plate (26), a third filter screen (28) is disposed on an inner wall of the fan body (2) far away from the first fixing plate (26), and a second fixing plate (29) for positioning the third filter screen (28) is fixed on an inner wall of the fan body (2) far away from the first fixing plate (26).
4. The low-noise axial flow fan with the outer rotor as recited in claim 1, wherein a ring (30) for moving the fan body (2) is fixed to an upper end surface of the fan body (2).
5. A low noise axial flow fan with external rotor as claimed in claim 1, wherein the side wall of the fan body (2) is provided with a first hinged door (31) for the staff to open the fan body (2).
6. A low noise axial flow fan with external rotor as claimed in claim 1, characterized in that the lower end surface of the support (1) is provided with a support leg (32) for supporting the support (1), and the support leg (32) is screw-fitted with the support (1).
7. The low-noise axial flow fan with the outer rotor is characterized in that universal wheels (33) convenient for workers to support the fan (1) are fixed on the lower end face of the support (1).
8. The low-noise axial flow fan with the external rotor as recited in claim 1, wherein a protective shell (35) for protecting the biaxial motor (7) is fixed on a side wall of the biaxial motor (7), and soundproof cotton (34) for preventing noise is fixed on an inner wall of the protective shell (35).
CN202010353328.7A 2020-04-29 2020-04-29 Low-noise outer rotor axial flow fan Pending CN111520342A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010353328.7A CN111520342A (en) 2020-04-29 2020-04-29 Low-noise outer rotor axial flow fan

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Application Number Priority Date Filing Date Title
CN202010353328.7A CN111520342A (en) 2020-04-29 2020-04-29 Low-noise outer rotor axial flow fan

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CN111520342A true CN111520342A (en) 2020-08-11

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CN110739802A (en) * 2019-11-07 2020-01-31 江苏科技大学 motor with heat dissipation structure for electromechanical equipment
CN110848053A (en) * 2019-11-21 2020-02-28 苏州中顺瑞泰汽车检具有限公司 Air inlet filtering device of automobile engine
CN210178621U (en) * 2019-07-10 2020-03-24 无锡职业技术学院 Gear-driven oscillating fan
CN210320938U (en) * 2019-08-13 2020-04-14 南通腾宇环保设备有限公司 Tunnel type circulation drying room
CN210397247U (en) * 2019-06-25 2020-04-24 广州市云凌贸易有限公司 Axial fan convenient to radiate based on all-metal

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206234138U (en) * 2016-08-31 2017-06-09 漳浦县丰盛生物科技有限公司 A kind of scallop element processing centrifugal fan
CN207212695U (en) * 2017-08-16 2018-04-10 湖南通高环保设备有限公司 The vavuum pump of the automobile-used quick release impeller of refuse sweeping
CN208075500U (en) * 2018-04-17 2018-11-09 淮阴师范学院 A kind of drying device of nano material
CN209054774U (en) * 2018-11-21 2019-07-02 政和县深山茶叶机械有限公司 Energy-saving hot-blast furnace internal-lining heating device
CN210397247U (en) * 2019-06-25 2020-04-24 广州市云凌贸易有限公司 Axial fan convenient to radiate based on all-metal
CN210178621U (en) * 2019-07-10 2020-03-24 无锡职业技术学院 Gear-driven oscillating fan
CN210320938U (en) * 2019-08-13 2020-04-14 南通腾宇环保设备有限公司 Tunnel type circulation drying room
CN110739802A (en) * 2019-11-07 2020-01-31 江苏科技大学 motor with heat dissipation structure for electromechanical equipment
CN110848053A (en) * 2019-11-21 2020-02-28 苏州中顺瑞泰汽车检具有限公司 Air inlet filtering device of automobile engine

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Application publication date: 20200811

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