CN217080857U - Device for preventing rainwater backflow of axial flow fan on wall - Google Patents
Device for preventing rainwater backflow of axial flow fan on wall Download PDFInfo
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- CN217080857U CN217080857U CN202220734009.5U CN202220734009U CN217080857U CN 217080857 U CN217080857 U CN 217080857U CN 202220734009 U CN202220734009 U CN 202220734009U CN 217080857 U CN217080857 U CN 217080857U
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- wall
- fan
- axial flow
- frequency conversion
- power distribution
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Abstract
The utility model relates to a device of rain-proof water refluence of wall axial fan. At present, when meeting extreme weather, sleet weather can make equipment easily receive snow water invasion and attack, makes equipment damp, causes equipment life to subtract short, and current rain-proof window can't freely close after ageing to rust and open, repairs the difficulty. The utility model provides a device of rainwater refluence of wall axial fan which constitutes includes: the axial flow fan comprises an axial flow fan body (1), a rain-proof plate (2), an optical axis (3) and a rotary drum (4), wherein the axial flow fan body is fixedly installed below a frequency conversion chamber or a power distribution chamber wall (5) of the induced draft fan, jacks (6) are formed in the frequency conversion chamber or the power distribution chamber wall of the induced draft fan, metal sleeves (7) matched with the jacks in diameter are inserted into the jacks, the inner surfaces of the metal sleeves are smooth, and the length of each metal sleeve is smaller than the thickness of the frequency conversion chamber or the power distribution chamber wall of the induced draft fan; an optical axis is inserted into the metal sleeve. The utility model discloses be applied to the axial fan field.
Description
Technical Field
The utility model relates to a device of rain-proof water refluence of wall axial 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. At present, when meeting extreme weather, sleet weather can make equipment easily receive snow water invasion and attack, makes equipment damp, causes equipment life to subtract short, and current rain-proof window can't freely close after ageing to rust and open, repairs the difficulty.
Disclosure of Invention
The utility model aims at providing a device of rain-proof water refluence of wall axial fan.
The above purpose is realized by the following technical scheme:
the utility model provides a device of rainwater refluence of wall axial fan which constitutes includes: the axial flow fan comprises an axial flow fan body, a rain-proof plate, an optical axis and a rotary drum, wherein the axial flow fan body is fixedly installed at the position below the wall of a frequency conversion chamber or a power distribution chamber of the induced draft fan, the wall of the frequency conversion chamber or the power distribution chamber of the induced draft fan is provided with a jack, a metal sleeve matched with the jack in diameter is inserted into the jack, the inner surface of the metal sleeve is smooth, and the length of the metal sleeve is smaller than the thickness of the wall of the frequency conversion chamber or the power distribution chamber of the induced draft fan;
the optical shaft is inserted into the metal sleeve, one end of the optical shaft is vertically and fixedly connected with the flashing board, and the other end of the optical shaft is vertically and fixedly connected with the rotary drum;
the rain-proof board, the optical axis and the rotary drum are of an integral structure and are of a U-shaped structure integrally.
The device of rain-proof water refluence of wall axial fan, the inboard backup pad that has T type structure through bolt assembly fixedly connected with of draught fan frequency conversion room or electricity distribution room wall, the diaphragm of backup pad on seted up the round hole, and inserted the shank of bolt at the round hole.
The wall axial flow fan rainwater backflow prevention device is characterized in that the diameter of the bolt rod is smaller than the diameter of the inner cylinder of the rotary cylinder.
The utility model has the advantages that:
1. the utility model discloses circular jack has been seted up on the wall body, then be provided with the metal sleeve in the jack, then insert the optical axis in the metal sleeve, the one end and the flashing board of optical axis are connected perpendicularly, the area of flashing board is greater than the area of axial fan body, the other end and the rotary drum of optical axis are connected perpendicularly, when sleet weather appears, indoor staff takes off the shank of bolt from the backup pad, the rotary drum breaks away from with the shank of bolt this moment, rotate the rotary drum 180 degrees, because the rotary drum passes through the optical axis and is connected with the flashing board, the flashing board rotates 180 degrees along with the rotary drum, shelter from axial fan through the flashing board, prevent the invasion and attack of sleet, avoid axial fan body to wet.
2. The utility model has the advantages of being simple in structure and convenient in operation, when meetting sleet weather, the staff need not walk out outdoor can accomplish sheltering from of flashing board to axial fan, and whole operation process only need make break away from between rotary drum and the shank of bolt and can accomplish, but makes equipment safety and stability move in extreme weather, increases firm performance, and the switch at will, the installation is simple, solves the equipment heat dissipation and rain-proof dampproofing problem.
3. The utility model discloses rain-proof water refluence baffle purpose of installation axial fan prevents that snow water from flowing into indoor equipment that leads to by the ventilation fan mouth under bad weather and intakes and wets, and this technique is indoor for preventing that the rainwater from getting into by the vent, and for equipment can the safe operation in bad weather, the installation is simple, and the material is ordinary, is fit for all environment and uses.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the rain guard in fig. 1 after rotation.
Fig. 3 is a schematic view of the mounting structure of fig. 1.
Fig. 4 is a schematic structural view of an axial flow fan body.
In the figure: 1. axial fan body, 2, flashing board, 3, optical axis, 4, rotary drum, 5, draught fan frequency conversion room or electricity distribution room wall, 6, jack, 7, metal sleeve, 8, backup pad, 9, shank of bolt.
The specific implementation mode is as follows:
example 1:
the utility model provides a device of rainwater refluence of wall axial fan which constitutes includes: the axial flow fan comprises an axial flow fan body 1, a rain-proof plate 2, an optical axis 3 and a rotary drum 4, wherein the axial flow fan body is fixedly installed at the position below a frequency conversion chamber or a power distribution chamber wall 5 of an induced draft fan, a jack 6 is formed in the frequency conversion chamber or the power distribution chamber wall of the induced draft fan, a metal sleeve 7 matched with the jack in diameter is inserted into the jack, the inner surface of the metal sleeve is smooth, and the length of the metal sleeve is smaller than the thickness of the frequency conversion chamber or the power distribution chamber wall of the induced draft fan; the optical shaft is inserted into the metal sleeve, one end of the optical shaft is vertically and fixedly connected with the flashing board, and the other end of the optical shaft is vertically and fixedly connected with the rotary drum; the rain-proof board, the optical axis and the rotary drum are of an integral structure and are of a U-shaped structure integrally.
Example 2:
according to embodiment 1 device of rainwater refluence of wall axial fan, the inboard backup pad 8 that has T type structure through bolt assembly fixedly connected with of draught fan frequency conversion room or electricity distribution room wall, the diaphragm of backup pad on seted up the round hole, and inserted the shank of bolt 9 at the round hole.
Example 3:
according to the device of embodiment 1 or 2 for preventing rainwater refluence of wall axial flow fan, the diameter of the bolt rod is smaller than the inner cylinder diameter of the rotary cylinder.
Claims (3)
1. The utility model provides a device of rainwater refluence of wall axial fan which constitutes includes: axial fan body, flashing, optical axis and rotary drum, characterized by: the axial flow fan body is fixedly arranged at the position below the wall of the frequency conversion chamber or the power distribution chamber of the induced draft fan, jacks are arranged on the wall of the frequency conversion chamber or the power distribution chamber of the induced draft fan, metal sleeves matched with the jacks in diameter are inserted into the jacks, the inner surfaces of the metal sleeves are smooth, and the length of each metal sleeve is smaller than the thickness of the wall of the frequency conversion chamber or the power distribution chamber of the induced draft fan;
the optical shaft is inserted into the metal sleeve, one end of the optical shaft is vertically and fixedly connected with the flashing board, and the other end of the optical shaft is vertically and fixedly connected with the rotary drum;
the rain-proof board, the optical axis and the rotary drum are of an integral structure and are of a U-shaped structure integrally.
2. The device for preventing rainwater backflow of the wall axial flow fan according to claim 1, is characterized in that: the inboard of draught fan frequency conversion room or electricity distribution room wall pass through the backup pad of bolt assembly fixedly connected with T type structure, the diaphragm of backup pad on seted up the round hole, and inserted the shank of bolt at the round hole.
3. The device for preventing rainwater backflow of the wall axial flow fan according to claim 2, is characterized in that: the diameter of the bolt rod is smaller than the inner cylinder diameter of the rotary cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220734009.5U CN217080857U (en) | 2022-03-31 | 2022-03-31 | Device for preventing rainwater backflow of axial flow fan on wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220734009.5U CN217080857U (en) | 2022-03-31 | 2022-03-31 | Device for preventing rainwater backflow of axial flow fan on wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217080857U true CN217080857U (en) | 2022-07-29 |
Family
ID=82552157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220734009.5U Active CN217080857U (en) | 2022-03-31 | 2022-03-31 | Device for preventing rainwater backflow of axial flow fan on wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217080857U (en) |
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2022
- 2022-03-31 CN CN202220734009.5U patent/CN217080857U/en active Active
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