CN211449127U - Air outlet adjustable fan - Google Patents
Air outlet adjustable fan Download PDFInfo
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- CN211449127U CN211449127U CN201922391702.8U CN201922391702U CN211449127U CN 211449127 U CN211449127 U CN 211449127U CN 201922391702 U CN201922391702 U CN 201922391702U CN 211449127 U CN211449127 U CN 211449127U
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- air outlet
- fan
- air
- sealing cover
- driving motor
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Abstract
The utility model provides a fan with adjustable air outlet, include: the fan shell is provided with a first air outlet and a second air outlet; the fan comprises a driving motor capable of rotating forward and backward, wherein an output shaft of the driving motor extends into a fan shell and is provided with an impeller; the sealing cover is used for plugging the first air outlet or the second air outlet, and a flow guide piece is arranged on the inner side surface of the sealing cover; when the sealing cover is sealed on the first air outlet, the output shaft of the driving motor rotates towards the first rotating direction, and the air flow formed by the impeller is guided to the second air outlet by the flow guide piece; when the sealing cover is plugged on the second air outlet, the output shaft of the driving motor rotates towards a second rotating direction opposite to the first rotating direction, and the air flow formed by the impeller is guided to the first air outlet by the flow guide piece. The utility model discloses have levogyration and two kinds of types of dextrorotation, make things convenient for the staff to adjust the air-out direction at the job site.
Description
Technical Field
The utility model relates to a ventilation technology field especially relates to a fan with adjustable air outlet.
Background
The centrifugal fan is an important component device in ventilation systems in petrochemical industry, industrial and civil building industry, mainly plays a role in providing mechanical power for natural wind, and has the functions of ensuring positive and negative pressure of a room, providing more air, removing residual heat of the room, removing dirty air and the like. Centrifugal fan generally divide into two kinds of air outlet connection forms of levogyration and dextrorotation, and design unit selects levogyration or dextrorotation fan according to the installation needs, but often there is the demand that needs adjust fan air outlet direction in the job site, and current centrifugal fan adopts the cast iron shell can't carry out the nimble adjustment of air outlet direction, and the fan needs to return the factory and produce again.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of prior art, the to-be-solved technical problem of the utility model is to provide a fan with adjustable air outlet has two kinds of types of levogyration and dextrorotation, makes things convenient for the staff to adjust the air-out direction at the job site.
In order to solve the technical problem, the utility model provides a fan with adjustable air outlet, include:
the fan comprises a fan shell, wherein a first air outlet and a second air outlet are arranged on the fan shell, the first air outlet and the second air outlet are symmetrically arranged, and the air outlet direction of the first air outlet and the air outlet direction of the second air outlet are opposite to each other;
the fan comprises a driving motor capable of rotating forward and backward, wherein an output shaft of the driving motor extends into a fan shell and is provided with an impeller;
the sealing cover is used for plugging the first air outlet or the second air outlet, and a flow guide piece is arranged on the inner side surface of the sealing cover;
when the sealing cover is sealed on the first air outlet, the output shaft of the driving motor rotates towards the first rotating direction, and the air flow formed by the impeller is guided to the second air outlet by the flow guide piece; when the sealing cover is plugged on the second air outlet, the output shaft of the driving motor rotates towards a second rotating direction opposite to the first rotating direction, and the air flow formed by the impeller is guided to the first air outlet by the flow guide piece.
Preferably, the air outlet adjustable fan further comprises a mounting foot, and a support detachably connected with the mounting foot is arranged on the outer wall of the fan shell.
Preferably, the flow guide member is an arc-shaped plate.
Preferably, first air outlet has first flange, the second air outlet has second flange, the seal closure is the ring flange structure, and the seal closure passes through coupling assembling and can dismantle with first air outlet or second air outlet and be connected.
As above, the utility model discloses a fan with adjustable air outlet has following beneficial effect: in the utility model, the fan shell is provided with a first air outlet and a second air outlet, when in installation, the first air outlet can be selected to be connected with an air outlet duct, and the second air outlet is blocked by a sealing cover; the second air outlet can also be selected to be connected with the air outlet duct, and the sealing cover is used for blocking the first air outlet. When the sealing cover seals the first air outlet, the output shaft of the driving motor rotates towards the first rotating direction, and the air flow formed by the impeller is guided to the second air outlet by the flow guide piece; when the sealing cover blocks the second air outlet, the output shaft of the driving motor rotates towards a second rotating direction opposite to the first rotating direction, and the air flow formed by the impeller is guided to the first air outlet by the flow guide piece. The air guide piece can reduce the resistance of the fan shell to the wind flow. The utility model discloses a fan with adjustable air outlet has two kinds of fan patterns, can select one of them fan pattern to use according to actual conditions at the installation scene to can adjust the air-out direction at any time, reduce the probability of makeing mistakes in each link of in-process from production to installation, thereby avoid owing to select improper situation that leads to unable ventilation to controlling the type of spiraling. Therefore, for traditional fan, the utility model discloses a fan with adjustable air outlet has two kinds of types of levogyration and dextrorotation, makes things convenient for the staff to adjust the air-out direction at the job site.
Drawings
Fig. 1 is a front view of the air outlet adjustable fan according to the present invention in a first use state;
fig. 2 is a top view of the air outlet adjustable fan according to the present invention in a first use state;
fig. 3 is a front view of the air outlet adjustable fan according to the present invention in a second use state;
fig. 4 is a top view of the air outlet adjustable fan according to the present invention in a second use state;
description of the element reference numerals
1 Fan casing
11 first air outlet
12 second air outlet
13 support
2 drive motor
3 sealing cover
31 flow guiding piece
4 mounting foot
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a fan with adjustable air outlet, include:
the air conditioner comprises a fan shell 1, wherein a first air outlet 11 and a second air outlet 12 are arranged on the fan shell 1, the first air outlet 11 and the second air outlet 12 are symmetrically arranged, and the air outlet direction of the first air outlet 11 and the air outlet direction of the second air outlet 12 are opposite to each other;
the fan comprises a driving motor 2 capable of rotating forward and backward, wherein an output shaft of the driving motor 2 extends into a fan shell 1 and is provided with an impeller;
the sealing cover 3 is used for sealing the first air outlet 11 or the second air outlet 12, and a flow guide piece 31 is arranged on the inner side surface of the sealing cover 3;
when the sealing cover 3 is blocked on the first air outlet 11, the output shaft of the driving motor 2 rotates towards the first rotation direction, and the flow guide piece 31 guides the air flow formed by the impeller to the second air outlet 12; when the sealing cover 3 is blocked at the second air outlet 12, the output shaft of the driving motor 2 rotates in a second rotation direction opposite to the first rotation direction, and the air flow formed by the impeller is guided to the first air outlet 11 by the guiding member 31.
In the utility model, the fan shell 1 is provided with a first air outlet 11 and a second air outlet 12, when in installation, the first air outlet 11 can be selected to be connected with an air outlet duct, and the second air outlet 12 is blocked by a sealing cover 3; the second outlet 12 may be connected to the air outlet duct, and the sealing cover 3 may be used to block the first outlet 11. When the sealing cover 3 blocks the first air outlet 11, the output shaft of the driving motor 2 rotates in a first rotation direction (e.g., clockwise direction), and the air flow formed by the impeller is guided to the second air outlet 12 by the air guiding member 31; when the sealing cap 3 blocks the second air outlet 12, the output shaft of the driving motor 2 rotates in a second rotation direction opposite to the first rotation direction (if the first rotation direction is clockwise, the second rotation direction is counterclockwise), and the air flow formed by the impeller is guided to the first air outlet 11 by the air guide 31. The air guide element 31 can reduce the resistance of the fan housing 1 to the wind flow. The utility model discloses a fan with adjustable air outlet has two kinds of fan patterns (levogyration or dextrorotation promptly), can select one of them fan pattern to use according to actual conditions at the installation scene to can adjust the air-out direction at any time, reduce the probability of makeing mistakes in each link of in-process from production to installation, thereby avoid owing to select improper situation that leads to unable ventilation to the type of levogyration. Therefore, for traditional fan, the utility model discloses a fan with adjustable air outlet has two kinds of types of levogyration and dextrorotation, makes things convenient for the staff to adjust the air-out direction at the job site.
As an embodiment of the above air outlet adjustable fan: as shown in fig. 1 and 2, the air outlet adjustable fan is in a right-handed 180-degree type; as shown in fig. 3 and 4, the air outlet adjustable fan is in a left-handed 180 degree type.
In order to facilitate installation, the air outlet adjustable fan further comprises an installation pin 4, and a support 13 detachably connected with the installation pin 4 is arranged on the outer wall of the fan shell 1.
In order to simplify the structure of the flow guide member 31, the flow guide member 31 is an arc-shaped plate.
In order to facilitate the sealing cover 3 to be plugged in the first air outlet 11 or the second air outlet 12, the first air outlet 11 has a first connecting flange, the second air outlet 12 has a second connecting flange, the sealing cover 3 is in a flange structure, and the sealing cover 3 is detachably connected with the first air outlet 11 or the second air outlet 12 through a connecting component.
To sum up, the utility model discloses a fan with adjustable air outlet has two kinds of types of levogyration and dextrorotation, makes things convenient for the staff to adjust the air-out direction at the job site. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. The utility model provides a fan with adjustable air outlet which characterized in that includes:
the air conditioner comprises a fan shell (1), wherein a first air outlet (11) and a second air outlet (12) are formed in the fan shell (1), the first air outlet (11) and the second air outlet (12) are symmetrically arranged, and the air outlet direction of the first air outlet (11) and the air outlet direction of the second air outlet (12) are opposite to each other;
the fan comprises a driving motor (2) capable of rotating forward and backward, wherein an output shaft of the driving motor (2) extends into a fan shell (1) and is provided with an impeller;
the sealing cover (3) is used for sealing the first air outlet (11) or the second air outlet (12), and a flow guide piece (31) is arranged on the inner side surface of the sealing cover (3);
when the sealing cover (3) is blocked on the first air outlet (11), the output shaft of the driving motor (2) rotates towards the first rotating direction, and the air flow formed by the impeller is guided to the second air outlet (12) by the flow guide piece (31); when the sealing cover (3) is blocked on the second air outlet (12), the output shaft of the driving motor (2) rotates towards a second rotation direction opposite to the first rotation direction, and the air flow formed by the impeller is guided to the first air outlet (11) by the flow guide piece (31).
2. The fan with adjustable air outlet of claim 1, characterized in that: the air outlet adjustable fan further comprises a mounting foot (4), and a support (13) detachably connected with the mounting foot (4) is arranged on the outer wall of the fan shell (1).
3. The fan with adjustable air outlet of claim 1, characterized in that: the flow guide part (31) is an arc-shaped plate.
4. The fan with adjustable air outlet of claim 1, characterized in that: first air outlet (11) have first flange, second air outlet (12) have second flange, seal closure (3) are the ring flange structure, and seal closure (3) can be dismantled with first air outlet (11) or second air outlet (12) through coupling assembling and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391702.8U CN211449127U (en) | 2019-12-24 | 2019-12-24 | Air outlet adjustable fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391702.8U CN211449127U (en) | 2019-12-24 | 2019-12-24 | Air outlet adjustable fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449127U true CN211449127U (en) | 2020-09-08 |
Family
ID=72316676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922391702.8U Active CN211449127U (en) | 2019-12-24 | 2019-12-24 | Air outlet adjustable fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211449127U (en) |
-
2019
- 2019-12-24 CN CN201922391702.8U patent/CN211449127U/en active Active
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