CN212250500U - Protection type external rotor axial fan - Google Patents
Protection type external rotor axial fan Download PDFInfo
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- CN212250500U CN212250500U CN202020571595.7U CN202020571595U CN212250500U CN 212250500 U CN212250500 U CN 212250500U CN 202020571595 U CN202020571595 U CN 202020571595U CN 212250500 U CN212250500 U CN 212250500U
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- fan
- rotor axial
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- motor
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Abstract
The utility model belongs to the fan field, especially, protection type external rotor axial fan now proposes following scheme, and it includes fan section of thick bamboo and connects the protection casing at its air inlet end, the motor is installed through the mount to the inside of fan section of thick bamboo, and the output shaft of motor has one end open-ended connecting cylinder, installs wind-force flabellum on the lateral wall of connecting cylinder, the one end of connecting cylinder has the rolling disc that is located the protection casing inside through the pivot rigid coupling, and the edge rigid coupling of rolling disc has the turning block, rotates on the turning block and is connected with the connecting rod, and the bottom of connecting rod articulates there is T shape pole. This device can prevent that external rainwater from getting into the inside of fan, causes the damage to its internal circuit and motor, and the protecting effect is good, can prevent simultaneously that external dust from getting into inside the fan, prevents that the dust adhesion is on dust screen and wind-force flabellum, and the air inlet is effectual.
Description
Technical Field
The utility model relates to a fan technical field especially relates to a protection type external rotor axial fan.
Background
The outer rotor axial flow fan has the characteristics of compact structure, convenience in installation, reliability in operation, low noise, energy conservation, high efficiency and the like. The product is widely applied to the building facilities such as hotels, restaurants, industrial and mining enterprises, office buildings, movie theaters and the like, and is used as corollary equipment of a refrigerator freezer or used for ventilation and heat dissipation.
However, because the rotor of the outer rotor motor is arranged outside, the special structure of the stator inside determines that the outer rotor motor cannot be completely sealed, cannot be effectively waterproof and can only be used under a dry working condition, and therefore, the common daily outer rotor axial flow fan is difficult to work in the outdoor environment or the environment with rainwater, and a protective outer rotor axial flow fan is provided for this reason.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of protection type external rotor axial fan has solved the problem of proposing in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a protection type external rotor axial fan, includes fan section of thick bamboo and connects the protection casing at its air inlet end, the motor is installed through the mount in the inside of fan section of thick bamboo, and the output shaft of motor has one end open-ended connecting cylinder, installs wind-force flabellum on the lateral wall of connecting cylinder, the one end of connecting cylinder has the rolling disc that is located the protection casing inside through the pivot rigid coupling, and the edge rigid coupling of rolling disc has the turning block, rotates on the turning block and is connected with the connecting rod, and the bottom of connecting rod articulates there is T shape pole, and the horizontal segment both ends of T shape pole all articulate has the transfer line that is located the protection casing both sides, all is connected with the spring between the vertical section of transfer line and T shape pole, all open the fresh air inlet on the both sides wall of protection casing, and fresh air.
Preferably, the vertical section of the protective cover is approximately in an inverted triangle shape, and the top end of the protective cover is in an arc shape.
Preferably, the inner wall of the fan barrel is provided with a cleaning brush, and the cleaning brush is connected with the wind power fan blades in a sliding mode.
Preferably, the vertical section of the cleaning brush is U-shaped, and the inner walls of the two sides of the cleaning brush are provided with bristles in a sewn mode.
Preferably, four fixing blocks are welded on the outer side wall of the fan barrel, and mounting holes are formed in the fixing blocks.
Preferably, one end of the opening of the connecting cylinder is covered and connected with the outside of the motor.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a protection type external rotor axial fan can prevent that external rainwater from getting into the inside of fan, causes the damage to its internal circuit and motor, and the protecting effect is good.
2. The utility model provides a protection type external rotor axial fan can prevent that external dust from getting into inside the fan, prevents that the dust adhesion is on dust screen and wind-force flabellum, and the air inlet is effectual.
Drawings
Fig. 1 is a schematic structural view of a protective outer rotor axial flow fan provided by the present invention;
fig. 2 is a side view of a protective outer rotor axial flow fan provided by the present invention;
fig. 3 is a schematic view of a local structure of a protective outer rotor axial flow fan provided by the present invention.
In the figure: the device comprises a fixed frame 1, a motor 2, a connecting cylinder 3, a fan cylinder 4, a cleaning brush 5, a wind power fan blade 6, a connecting rod 7, a rotating block 8, a rotating shaft 9, a rotating disc 10, a protective cover 11, a T-shaped rod 12, a dust screen 13, a cleaning scraper 14, a transmission rod 15 and a spring 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a protection type external rotor axial fan, includes fan barrel 4 and connects at its air inlet end protection casing 11, and the vertical cross-section of protection casing 11 is approximately for falling the triangle-shaped, and the top of protection casing 11 is the arc, the both sides of protection casing 11 that the fresh air inlet set up, and outside rainwater is difficult to get into the inside of protection casing 11, and it has a plurality of holes that leak to open on the diapire of protection casing 11, prevents to intake the inside of the back flow fan in the protection casing 11.
Install cleaning brush 5 on the inner wall of fan barrel 4, cleaning brush 5 and wind-force flabellum 6 sliding connection, cleaning brush 5's vertical cross-section is the U-shaped, all installs the system of making up brush hair on cleaning brush 5's the both sides inner wall, and when wind-force flabellum 6 rotated, wind-force flabellum 6 constantly rubbed with the brush hair on cleaning brush 5, prevented that the dust from gluing on wind-force flabellum, influence the air inlet effect.
The welding has four fixed blocks on the lateral wall of fan barrel 4, all opens the mounting hole on the fixed block, and the convenient installation that realizes the fan is fixed.
One end of the opening of the connecting cylinder 3 is covered and connected with the outside of the motor 2.
The working principle is as follows: when the cleaning brush is used, the motor 2 is started, the output shaft of the motor 2 drives the connecting cylinder 3 to rotate, the connecting cylinder 3 drives the wind power fan blade 6 to rotate, outside air is led in through the dust screen 13 at the air inlet, and the wind power fan blade 6 continuously rubs the cleaning brush 5 during rotation to prevent dust from adhering to the wind power fan blade 6; and connecting cylinder 3 drives rolling disc 10 through turning 9 and rotates, rolling disc 10 drives connecting rod 7 through turning block 8 and moves from top to bottom, connecting rod 7 drives transfer line 15 up-and-down motion through T shape pole 6, transfer line 15 moves from top to bottom through clean scraper blade 14 on dust screen 13, get rid of and pile up dust and debris outside dust screen 13, this device can prevent that external rainwater from getting into the inside of fan, cause the damage to its internal circuit and motor, the protecting effect is good, can prevent simultaneously that external dust from getting into inside the fan, prevent the dust adhesion on dust screen and wind force flabellum, it is effectual to enter the air.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A protective outer rotor axial flow fan comprises a fan barrel (4) and a protective cover (11) connected to an air inlet end of the fan barrel, and is characterized in that a motor (2) is installed inside the fan barrel (4) through a fixing frame (1), an output shaft of the motor (2) is connected with a connecting barrel (3) with one open end, a wind power fan blade (6) is installed on the outer side wall of the connecting barrel (3), a rotating disc (10) located inside the protective cover (11) is fixedly connected to one end of the connecting barrel (3) through a rotating shaft (9), a rotating block (8) is fixedly connected to the edge of the rotating disc (10), a connecting rod (7) is rotatably connected to the rotating block (8), a T-shaped rod (12) is hinged to the bottom end of the connecting rod (7), transmission rods (15) located on two sides of the protective cover (11) are hinged to two ends of a horizontal section of the T-shaped rod (12), and springs (16) are connected between the, the air inlet holes are formed in the two side walls of the protective cover (11), the dustproof net (13) is installed at the air inlet holes, and the outer portion of the dustproof net (13) is connected with a cleaning scraper (14) fixedly connected to the top end of the transmission rod (15) in a sliding mode.
2. A protective outer rotor axial flow fan according to claim 1, wherein the vertical cross section of the protective cover (11) is approximately an inverted triangle, and the top end of the protective cover (11) is arc-shaped.
3. A protective external rotor axial fan according to claim 1, wherein a cleaning brush (5) is mounted on the inner wall of the fan barrel (4), and the cleaning brush (5) is slidably connected with the wind blades (6).
4. A protective outer rotor axial flow fan according to claim 3, wherein the vertical section of the cleaning brush (5) is U-shaped, and bristles are sewn on the inner walls of both sides of the cleaning brush (5).
5. The protective outer rotor axial flow fan according to claim 1, wherein four fixing blocks are welded to the outer side wall of the fan barrel (4), and mounting holes are formed in the fixing blocks.
6. A protective outer rotor axial flow fan according to claim 1, wherein an end of the opening of the connecting cylinder (3) is covered outside the motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571595.7U CN212250500U (en) | 2020-04-16 | 2020-04-16 | Protection type external rotor axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571595.7U CN212250500U (en) | 2020-04-16 | 2020-04-16 | Protection type external rotor axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212250500U true CN212250500U (en) | 2020-12-29 |
Family
ID=74003509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020571595.7U Active CN212250500U (en) | 2020-04-16 | 2020-04-16 | Protection type external rotor axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212250500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857030A (en) * | 2022-06-02 | 2022-08-05 | 越连机电有限公司 | Permanent magnet high-flow submersible sewage pump |
-
2020
- 2020-04-16 CN CN202020571595.7U patent/CN212250500U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857030A (en) * | 2022-06-02 | 2022-08-05 | 越连机电有限公司 | Permanent magnet high-flow submersible sewage pump |
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