JP7433272B2 - Air blower - Google Patents

Description

The present disclosure relates to an air blower installed on a ceiling.

Patent Document 1 discloses a blower device that forms a band-shaped airflow, also called an air conveyance fan. The blower device that forms a band-shaped airflow consists of a main box body that has an inlet on the back side and an air outlet on the front side, an electric motor installed inside the main box body, and an electric motor attached to the shaft of the electric motor. Comes with a fan. BACKGROUND ART A blower device that forms a band-shaped air current is sometimes used by being fixed to a ceiling bolt using ceiling legs attached to the side surface of a main body box, and suspended from the ceiling.

Japanese Patent Application Publication No. 8-28926

However, when the blower device having the above configuration is used in an oil mist environment, oil mist tends to collect around the main body box. Therefore, if it is used suspended from the ceiling in an oil mist environment, oil-containing condensate that has adhered to the top surface of the main body box may drip during operation or after the operation is stopped, and may drop onto the floor of the blower or the blower. There were cases where the items installed below were soiled.

The present disclosure has been made in view of the above, and an object of the present disclosure is to provide a blower device that does not easily pollute the lower part of the main body box with drain even when used suspended from the ceiling in an oil mist environment.

In order to solve the above-mentioned problems and achieve the purpose, an air blower according to the present disclosure includes a main body box with openings formed on the front and back sides, and is installed inside the main body box, and has an opening on the back side of the main body box. and a blower unit that blows air sucked in through the opening from the opening at the front of the main body box to form an airflow. The air blower consists of a ceiling suspension leg that is installed on the side of the main body box and fixed to the ceiling bolt, a drain pan suspension leg that is installed on the side of the main body box, and a drain pan suspension leg that is fixed to the vertical of the main body box. and a drain pan located below.

According to the present disclosure, it is possible to provide an air blowing device that does not easily pollute the lower part of the main body box body with drain even if it is used while hanging from the ceiling in an oil mist environment.

A perspective view of a blower device according to Embodiment 1 Side view of the air blower according to Embodiment 1 Side view of a blower device according to Embodiment 2 A perspective view of a blower device according to Embodiment 3 Side view of a blower device according to Embodiment 3 A perspective view of a drain guide of a blower device according to Embodiment 3 A diagram showing the flow of drain attached to the blower device according to Embodiment 3

Below, a blower device according to an embodiment will be described in detail based on the drawings.

Embodiment 1.
FIG. 1 is a perspective view of the air blower according to the first embodiment. FIG. 2 is a side view of the air blower according to the first embodiment. In the blower device 100 according to the first embodiment, a plurality of blower units 20 are installed inside the main body box 1. The main body box 1 has openings formed on a front side 11 and a back side 12. Ceiling legs 2 are installed on the side surface 13 of the main body box 1. The blower device 100 is installed by being suspended from the ceiling by fixing the ceiling suspension leg 2 to a ceiling suspension bolt installed on the ceiling.

The main body box 1 is rotatable relative to the ceiling leg 2 around a rotating shaft 14 provided on a side surface 13 of the main body box 1. The mounting angle of the ceiling leg 2 with respect to the main body box 1 can be adjusted, and the angle between the vertical line and the direction in which the upper surface 15 of the main body box 1 faces in a plane parallel to the side surface 13 of the main body box 1 is adjustable. Can be changed. By changing the mounting angle of the main body box 1 with respect to the ceiling leg 2, the blowing direction of the airflow can be changed.

The blower unit 20 includes an axial fan 21 , an electric motor 22 that drives the axial fan 21 , and a housing 23 that houses the axial fan 21 and the electric motor 22 . The casing 23 has a cylindrical shape with no front or back surface, and the opening on the back side is the suction port 24, and the opening on the back side is the air outlet 25. As the axial fan 21 rotates, air is sucked in through the suction port 24 and air is blown out from the blowout port 25. The blower units 20 are housed side by side inside the main body box 1 with the air outlet 25 facing the front 11 of the main body box 1. The blower unit 20 sucks air through an opening on the back surface 12 of the main body box 1 and blows out air from an opening on the front surface 11 of the main body box 1 to form an air current. Arrows in FIG. 2 indicate the air sucked in by the blower unit 20 from the opening in the back surface 12 of the main body box 1 and the air blown out by the blower unit 20 from the opening in the front surface 11 of the main body box 1.

A drain pan hanging leg 6 whose attachment angle to the main body box 1 can be adjusted is fixed to the side surface 13 of the main body box 1. A drain pan 7 is attached to the drain pan hanging leg 6. The drain pan 7 is arranged vertically below the main body box 1.

When the blower device 100 is installed in an environment where oil mist is likely to be generated, such as a metal parts factory or a kitchen, oil mist gathers around the main body box 1 due to the airflow sucked into the main body box 1 and adheres to the main body box 1. This makes it easier for drainage to occur. In the blower device 100, the drain pan 7 is disposed vertically below the main body box 1, so that the drain that has fallen from the main body box 1 is received by the drain pan 7. Therefore, even when the blower device 100 is used while hanging from the ceiling in an oil mist environment, it does not easily stain the floor surface below or the articles installed below.

Since the drain pan hanging leg 6 is an independent component, the blowing device 100 can be configured by retrofitting the drain pan hanging leg 6 and the drain pan 7 to an existing blowing device. In addition, the drain pan hanging leg 6 may be integrated with the ceiling hanging leg 2. By integrating the drain pan hanging leg 6 with the ceiling hanging leg 2, the number of installation work and the number of parts can be reduced.

In the above description, the blower device 100 includes a plurality of blower units 20 each having an axial fan 21 inside the main body box 1; You may prepare for

Embodiment 2.
FIG. 3 is a side view of the air blower according to the second embodiment. Arrows in FIG. 3 indicate air sucked in by the blower unit 20 from the opening in the back surface 12 of the main body box 1 and air blown out by the blower unit 20 from the opening in the front surface 11 of the main body box 1. In the blower device 100 according to the second embodiment, the drain pan 7 is slidable with respect to the drain pan hanging legs 6. A slit 72 is provided in a rising surface 71 on the side of the drain pan 7. The end of the drain pan hanging leg 6 is inserted into a slit 72 in the rising surface 71 of the drain pan 7, so that the position of the drain pan 7 in the front and back direction can be adjusted in a horizontal plane. The position of the drain pan 7 in the front-rear direction is fixed by fastening bolts and nuts.

When the main body box 1 is installed with the front surface 11 of the main body box 1 facing diagonally downward, the discharged airflow is blown diagonally downward. When the discharged airflow is blown diagonally downward, when the discharged airflow hits the drain pan 7, the drain pan 7 obstructs the discharged airflow, resulting in a decrease in ventilation performance.

In the air blower 100 according to the second embodiment, the installation position of the drain pan 7 can be adjusted in the front-back direction within the horizontal plane, so the drain pan 7 can be placed at a position where it is not hit by the discharge airflow blown diagonally downward. Therefore, the air blower 100 according to the second embodiment can avoid the discharge airflow hitting the drain pan 7 and the air blowing performance being deteriorated.

Note that the structure that allows adjustment of the position of the drain pan 7 in the longitudinal direction within the horizontal plane is not limited to the above structure. For example, by forming a plurality of holes lined up in the front-rear direction on the rising surface 71 of the side of the drain pan 7, and changing the holes used to fasten the drain pan 7 together with nuts using bolts fixed to the drain pan hanging legs 6. , the position of the drain pan 7 in the front-rear direction may be adjustable.

Embodiment 3.
FIG. 4 is a perspective view of the air blower according to the third embodiment. FIG. 5 is a side view of the air blower according to the third embodiment. Arrows in FIG. 5 indicate the air sucked in by the blower unit 20 from the opening in the back surface 12 of the main body box 1 and the air blown out by the blower unit 20 from the opening in the front surface 11 of the main body box 1. In the air blower 100 according to the third embodiment, drain guides 8 are installed on the upper surface 15, lower surface 18, and side surface 13 of the main body box 1. The drain guide 8 does not need to be installed on the lower surface 18 of the main body box 1. Since the other parts are the same as the blower device 100 according to the second embodiment, the parts that are different from the blower device 100 according to the second embodiment will be described below, and the description of the similar parts will be omitted.

FIG. 6 is a perspective view of the drain guide of the air blower according to the third embodiment. The drain guide 8 has a semi-cylindrical drain flow path portion 10 and a planar fixing portion 9 that serves as an attachment surface to the main body box 1 . One end 10a of the drain passage section 10 is connected to the fixed section 9. The drain guide 8 is fixed to the main body box 1 such that the fixing part 9 is in surface contact with the main body box 1 and the other end 10b of the drain passage section 10 is disposed apart from the main body box 1.

FIG. 7 is a diagram showing the flow of drain adhering to the blower device according to the third embodiment. The arrow in FIG. 7 indicates the direction of movement of the drain 17. The drain 17 adhering to the outside of the top surface 15 of the main body box 1 flows along the top surface 15 of the main body box 1 to the drain guide 8. The drain 17 that has reached the drain guide 8 is guided by the drain passage section 10 and flows toward the side surface 13 of the main body box 1. The drain 17 that has reached the side surface 13 of the main body box 1 is guided by the drain passage section 10 of the drain guide 8 installed on the side surface 13 of the main body box 1, and flows diagonally backward. The drain guide 8 installed on the side surface 13 of the main body box 1 has a drain outlet 16 at the lower end of the drain passage section 10, and the drain 17 collected by the drain guide 8 flows from the drain outlet 16. , and is discharged to a drain pan 7 installed vertically below.

Even if the front end of the top surface 15 of the main body box 1 is located ahead of the front end of the drain pan 7, the drain 17 attached to the top surface 15 of the main body box 1 cannot fall directly from the top surface 15 of the main body box 1. First, the drain is discharged from the drain outlet 16 into the drain pan 7 while being guided by the drain guide 8 installed on the top surface 15 and side surface 13 of the main body box 1 . Therefore, even when the drain pan 7 is moved backward so as not to obstruct the discharge airflow blowing diagonally downward, the blower device 100 according to the third embodiment can blow the floor surface below or the articles installed below. Not easy to get dirty.

In addition, the drain guide 8 installed on the upper surface 15 of the main body box 1 is inclined in the drain flow path part 10 so that the center in the width direction of the main body box 1 is high and becomes lower toward the side surface 13 of the main body box 1. may be provided. By providing the above-mentioned inclination to the drain guide 8 installed on the top surface 15 of the main body box 1, the drain 17 collected in the drain guide 8 installed on the top surface 15 of the main body box 1 flows to the side surface 13 of the main body box 1. The drain 17 can easily flow toward the drain guide 8 installed in the drain pan 7, and the drain 17 can be more easily discharged into the drain pan 7.

The configuration shown in the above embodiments shows an example of the content, and it is also possible to combine it with another known technology, or a part of the configuration can be omitted or changed without departing from the gist. It is also possible.

1 Main body box body, 2 Ceiling suspension leg, 6 Drain pan suspension leg, 7 Drain pan, 8 Drain guide, 9 Fixed part, 10 Drain channel part, 10a one end, 10b other end, 11 front, 12 back, 13 side, 14 rotating shaft, 15 upper surface, 16 drain outlet, 17 drain, 18 lower surface, 20 blower unit, 21 axial fan, 22 electric motor, 23 housing, 24 suction port, 25 outlet, 71 rising surface, 72 slit, 100 Air blower.

Claims (6)

A main body box with openings formed on the front and back sides,
a blower unit that is installed inside the main body box and blows air sucked in from an opening on the back side of the main body box through an opening on the front side of the main body box to form an airflow;
a ceiling suspension leg installed on a side surface of the main body box and fixed to a ceiling suspension bolt;
A drain pan hanging leg installed on the side surface of the main body box;
a drain pan fixed to the drain pan hanging leg and arranged vertically below the main body box ;
The air blower is characterized in that the drain pan is slidable in a horizontal plane and in the front-rear direction of the main body box with respect to the drain pan hanging legs . 2. The air blowing device according to claim 1 , further comprising a drain guide provided on at least an upper surface and a side surface of the main body box, the drain guide having a groove-like drain guide portion opening on the back side of the main body box. A main body box with openings formed on the front and back sides,
a blower unit that is installed inside the main body box and blows air sucked in from an opening on the back side of the main body box through an opening on the front side of the main body box to form an airflow;
a ceiling suspension leg installed on a side surface of the main body box and fixed to a ceiling suspension bolt;
A drain pan hanging leg installed on the side surface of the main body box;
a drain pan fixed to the drain pan hanging leg and arranged vertically below the main body box;
A blowing device characterized in that a drain guide having a groove-shaped drain guide portion that opens on the back side of the main body box is installed on at least an upper surface and a side surface of the main body box. The blower device according to claim 2 or 3 , wherein the drain guide installed on a side surface of the main body box includes a drain outlet for discharging the drain downward. The drain guide installed on the upper surface of the main body box is such that the drain guide portion is inclined such that a center portion in the width direction of the main body box is high and becomes lower as it approaches a side surface of the main body box. The blower device according to any one of claims 2 to 4, characterized in that: 6. The apparatus according to claim 1, wherein the mounting angle between the main body box and the ceiling suspension leg and the mounting angle between the main body box and the drain pan suspension leg are adjustable. Air blower.

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