CN212454975U - Axial flow fan for preventing motor from overheating - Google Patents
Axial flow fan for preventing motor from overheating Download PDFInfo
- Publication number
- CN212454975U CN212454975U CN202021015827.7U CN202021015827U CN212454975U CN 212454975 U CN212454975 U CN 212454975U CN 202021015827 U CN202021015827 U CN 202021015827U CN 212454975 U CN212454975 U CN 212454975U
- Authority
- CN
- China
- Prior art keywords
- motor
- fan blade
- fan
- support
- cold wind
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a prevent overheated axial fan of motor, including the dryer, be provided with the motor support in the dryer, be provided with the motor on the motor support, the output shaft front end of motor is provided with the fan blade, the dryer lateral wall is provided with a plurality of openings, be provided with the sliding support in the dryer, be provided with a plurality of cold wind passageways on the sliding support, the sliding support slides so that the opening seals or aligns with the cold wind passageway, same export is connected to a plurality of cold wind passageways, and the export rotates and is provided with cold wind input fan blade, the output shaft tail end of motor can break away from the cooperation with the centre bore of cold wind input fan blade. The axial flow fan can improve the conveying efficiency of the fan when conveying cold air, and when conveying hot air, cold air outside the air cylinder can enter from the cold air channel and blow to the motor, so that the motor is prevented from being overheated.
Description
Technical Field
The utility model belongs to the technical field of the fan, specifically be a prevent overheated axial fan of motor.
Background
Fans are common devices for ventilation of building factories, and among the fans for ventilation of factories are fans for ventilating hot air, such as fans in circulating air ducts of chemical factories, sometimes used for conveying hot air and sometimes used for conveying cold air. When carrying the hot-air, the hot-air can show the motor temperature who improves in the fan, leads to the motor high temperature, and a little fan blade is generally installed on the motor to current fan, connects a cold wind input pipeline from the wind channel lateral wall, and the rotation of little fan blade makes the outside cold air in wind channel get into and reduce the motor temperature, and when carrying cold air, this wind channel also is in the open mode all the time, leads to the reduction of fan conveying efficiency to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to prior art, provide a prevent overheated axial fan of motor, this kind prevents that overheated axial fan of motor has the cold wind input channel that can the switching, be equipped with cold wind input fan blade in the cold wind input channel, when cold wind input channel opens, cold wind input fan blade rotates with the motor shaft cooperation, when cold wind input channel closes, cold wind input fan blade breaks away from the transmission with the motor shaft, this kind of axial fan can reach and cool down the motor when carrying hot-air, can improve transport efficiency when carrying cold wind again.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a prevent overheated axial fan of motor, includes the dryer, be provided with the motor support in the dryer, be provided with the motor on the motor support, the output shaft front end of motor is provided with the fan blade, the dryer lateral wall is provided with a plurality of openings, be provided with the sliding support in the dryer, be provided with a plurality of cold wind passageways on the sliding support, the sliding support slides so that the opening seals or aligns with the cold wind passageway, and a plurality of the same export of cold wind passageway connection, just the export rotates and is provided with cold wind input fan blade, the output shaft tail end of motor with the centre bore of cold wind input fan blade can break away from the cooperation. The sliding support in the axial flow fan can slide, the sliding support slides to the cold air channel and is staggered with the opening when cold air is conveyed, the cold air input fan blade is separated from the tail end of the output shaft of the motor, the conveying efficiency of the fan can be improved at the moment, the sliding support slides to the cold air channel and is communicated with the opening when hot air is conveyed, the cold air input fan blade is in transmission with the tail end of the output shaft of the motor, and when the motor conveys hot air, cold air outside the air cylinder can enter from the cold air channel and blow to the motor, so that overheating of the motor is prevented.
Among the above-mentioned technical scheme, preferably, it is located on the dryer the opening side axial is provided with the slide, the sliding support slides and is spacing in the slide. Adopt this structure to be used for leading to sliding support, prevent that sliding support from appearing rotating, make things convenient for cold wind passageway and opening to aim at.
In the above technical scheme, preferably, the outlet is provided with a fan blade support, and the cold air input fan blade is rotatably arranged on the fan blade support. The structure is adopted to facilitate the positioning of the cold air input fan blade.
In the above technical solution, preferably, the outlet is provided with a motor cover facing the motor. When the structure is adopted to convey hot air, the motor cover can cover the motor, so that cold air entering from the outside of the air duct can flow from the gap between the motor and the motor cover, and the heat exchange time of the cold air and the motor is prolonged.
In the above technical solution, preferably, the tail end of the output shaft of the motor is a polygonal shaft, and a polygonal hole matched with the polygonal shaft is provided in the center of the cold air input fan blade.
Compared with the prior art, the utility model, following beneficial effect has: the sliding support in the axial flow fan can slide, the sliding support slides to the cold air channel and is staggered with the opening when cold air is conveyed, the cold air input fan blade is separated from the tail end of the output shaft of the motor, the conveying efficiency of the fan can be improved at the moment, the sliding support slides to the cold air channel and is communicated with the opening when hot air is conveyed, the cold air input fan blade is in transmission with the tail end of the output shaft of the motor, and when the motor conveys hot air, cold air outside the air cylinder can enter from the cold air channel and blow to the motor, so that overheating of the motor is prevented.
Drawings
Fig. 1 is a schematic sectional view of a cold air supply state according to an embodiment of the present invention.
Fig. 2 is a schematic sectional view of a hot air delivery state according to an embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 2, an axial flow fan for preventing overheating of a motor includes an air duct 1, a motor support 2 is fixedly installed in the air duct 1, a motor 3 is installed on the motor support 2, a fan blade 4 is installed at the front end of an output shaft of the motor 3, two opposite sides of the side wall of the air duct 1 are respectively provided with an opening 5, a slide way 10 is axially arranged on the side of the air duct 1, which is located on the opening 5 side, in the embodiment, the slide way 10 is formed by outward protruding of the side wall of the air duct 1, and a sliding support 6 is limited in the slide way 10 in a sliding manner.
Two cold air channels 7 are arranged on the sliding support 6, the two cold air channels 7 are connected with the same outlet 8, a fan blade support 11 is fixed in the outlet 8, a cold air input fan blade 9 is rotatably arranged on the fan blade support 11, and the tail end of an output shaft of the motor 3 can be detachably matched with a central hole of the cold air input fan blade 9. The sliding support 6 slides to seal the opening 5 or align with the cold air channel 7, in this embodiment, two sides of the joint of the cold air channel 7 and the side wall of the air duct 1 are provided with a baffle plate attached to the outer wall of the air duct 1, and when the cold air channel 7 is staggered from the opening 5, the baffle plate seals the opening 5.
The outlet 8 is provided with a motor cover 12 facing one side of the motor 3, the tail end of an output shaft of the motor 3 is a polygonal shaft, and the center of the cold air input fan blade 9 is provided with a polygonal hole matched with the polygonal shaft.
The sliding support 6 in the axial flow fan can slide, the sliding support 6 can be pushed through the opening 5 during specific use, the sliding support 6 slides to the cold air channel 7 to be staggered with the opening 5 when cold air is conveyed, the cold air input fan blade 9 is separated from the tail end of the output shaft of the motor 3, the conveying efficiency of the fan can be improved at the moment, the sliding support 6 slides to the cold air channel 7 to be communicated with the opening 5 when hot air is conveyed, the cold air input fan blade 9 is in transmission with the tail end of the output shaft of the motor 3, when the motor 3 conveys hot air, cold air outside the air duct 1 can enter from the cold air channel 7 and blow to the motor 3, and overheating of the motor 3 is prevented.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a prevent overheated axial fan of motor, includes dryer (1), be provided with motor support (2) in dryer (1), be provided with motor (3) on motor support (2), the output shaft front end of motor (3) is provided with fan blade (4), its characterized in that: the utility model discloses a fan, including dryer (1), slip support (6), be provided with a plurality of cold wind passageways (7) on slip support (6), slip support (6) slide so that opening (5) seal or with cold wind passageway (7) are aimed at, and a plurality of same export (8) are connected in cold wind passageway (7), just export (8) rotate and are provided with cold wind input fan blade (9), the output shaft tail end of motor (3) with the centre bore of cold wind input fan blade (9) can break away from the cooperation.
2. The axial flow fan for preventing overheating of a motor according to claim 1, wherein: the wind barrel (1) is axially provided with a slide way (10) on the opening (5) side, and the sliding support (6) is limited in the slide way (10) in a sliding way.
3. The axial flow fan for preventing overheating of a motor according to claim 1, wherein: the fan blade support (11) is arranged on the outlet (8), and the cold air input fan blade (9) is rotatably arranged on the fan blade support (11).
4. The axial flow fan for preventing overheating of a motor according to claim 1, wherein: the outlet (8) is provided with a motor cover (12) facing one side of the motor (3).
5. The axial flow fan for preventing overheating of a motor according to claim 1, wherein: the tail end of an output shaft of the motor (3) is a polygonal shaft, and a polygonal hole matched with the polygonal shaft is formed in the center of the cold air input fan blade (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021015827.7U CN212454975U (en) | 2020-06-05 | 2020-06-05 | Axial flow fan for preventing motor from overheating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021015827.7U CN212454975U (en) | 2020-06-05 | 2020-06-05 | Axial flow fan for preventing motor from overheating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212454975U true CN212454975U (en) | 2021-02-02 |
Family
ID=74492484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021015827.7U Active CN212454975U (en) | 2020-06-05 | 2020-06-05 | Axial flow fan for preventing motor from overheating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212454975U (en) |
-
2020
- 2020-06-05 CN CN202021015827.7U patent/CN212454975U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11674702B2 (en) | Air duct device and air handling apparatus | |
| CN107100868A (en) | Inserted high-temperature fan | |
| GB2439557A (en) | A heat exchanger and heat exchanger assembly | |
| CN212454975U (en) | Axial flow fan for preventing motor from overheating | |
| CN210799513U (en) | Motor isolation cooling type fan | |
| CN210509720U (en) | Fan assembly and cabinet air conditioner with same | |
| CN211290095U (en) | Exhaust gas treatment system | |
| CN2924091Y (en) | High-temperature, high-moisture resisting fan | |
| CN111089083A (en) | Fan and air conditioner with same | |
| CN210623125U (en) | High-temperature gas conveying fan based on Venturi effect | |
| CN213693381U (en) | Motor heat dissipation device for PET bottle production | |
| CN108808517A (en) | A kind of power equipment case | |
| CN215175821U (en) | Double-heat-source hot air curtain machine suitable for cold regions | |
| CN101245793A (en) | Heat circulating fan | |
| CN109404306B (en) | Centrifugal hot air circulating fan capable of cooling inside kiln | |
| CN201180688Y (en) | Heat circulating fan | |
| CN106801740B (en) | Cooling heat radiating type speed reducer | |
| CN206890694U (en) | Seat hanging air-conditioning | |
| CN212454976U (en) | Closed axial fan capable of preventing overheating of motor | |
| CN103168990B (en) | Vermicelli oven capable of improving heat efficiency | |
| CN206785742U (en) | High-temperature blower bearing cooling structure | |
| CN105020157A (en) | Air supply mechanism with single motor and double wind wheels and air supply system | |
| CN214795866U (en) | Computer network device safety maintenance equipment | |
| CN202612153U (en) | Centrifugal fan for high-temperature environment and oven with same | |
| CN113027792A (en) | Water-cooled high-temperature fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |