JPH0447536Y2 - - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] (Field of industrial application) The present invention relates to a bathroom ventilation fan with an improved structure for treating water droplets.

(Prior art) Conventionally, in this type of bathroom ventilation fan, as shown in FIG. 6 via a wooden frame 7, and in this state, a decorative frame 8 is attached to the opening of the main body frame 3 on the indoor 4 side.

(Problems to be Solved by the Invention) In the conventional device described above, due to the humid atmosphere unique to bathrooms, condensation occurs on the front and back surfaces of the decorative frame 8 and the inner surface of the main body frame 3, and the resulting water droplets As shown in the figure, the surface and back surface of the decorative frame 8 spreads to the surface of the wall 6 on the indoor 4 side, staining it, and the dirt spreads from the inner surface of the main body frame 3 to the surface of the wall 6 on the indoor 4 side and the surface of the outdoor 5 side. This has the problem of staining them.
In addition, in a situation where the thickness of the wall 6 is larger than the depth of the main body frame 3, water droplets flowing from the inner surface of the main body frame 3 to the outdoor side 5 travel along the wooden frame 7 and seep into the wooden frame 7, resulting in corrosion. This had the problem of causing

The present invention was developed in view of the above-mentioned circumstances, and its purpose is to provide a practical product that can be used without staining the interior and exterior surfaces of the wall and without corroding the wooden frame. To provide an excellent bathroom ventilation fan.

[Structure of the invention] (Means for solving the problem) The bathroom ventilation fan of the invention has a main body frame attached to the wall that separates the indoor and outdoor areas of the bathroom, and the bottom part of the body frame is attached to the wall to the outside of the room. A drainage port is provided so as to be inclined downwardly, and a drainage port is provided that is connected to the bottom surface of the wall and located outward from the outdoor surface of the wall, and the indoor end edge of the bottom surface of the main body frame and the indoor side of the main body frame are provided. The feature is that a water guide plate section is provided between the decorative frame attached to the opening and extends between the two, and a water receiving stage part that communicates with the water guide plate section is provided at a position on the surface of the decorative frame corresponding to the water guide plate section. has.

(Function) According to the above means, water droplets flowing down the surface of the decorative frame are received by the water receiving stage and then flow on the water guide plate, and water droplets flowing down the back surface of the decorative frame are received by the water guide plate. The water then flows over this water guiding plate, and along with the water droplets that have flowed down the inner surface of the main body frame, flows over the bottom surface of the main body frame from a place (drain port) located outward from the outdoor side of the wall. It is discharged outdoors.

(Example) An example of the present invention will be described below with reference to FIG.

In the figure, 11 is the interior of the bathroom, 12 is the exterior, and 13 is the interior and exterior of the bathroom.
The wall 14 separating the two spaces is a wooden frame embedded in the wall 13. 15 is the main body frame. This is attached to the wall 13 via the wooden frame 14, and in the attached state, for example, due to the difference in depth dimension between the upper edge flange 15a and the lower edge flange 15b of the opening of the main body frame 15 on the indoor 11 side, The entire body frame 15 including the bottom surface 15c is provided so as to be inclined downward toward the outdoor 12 side. 16 is the bottom part 15 of the main body frame.
A tube connection port 17 is formed in the water-blocking portion formed rising up from the outdoor 12 side end (lower edge of the outdoor 12 side opening of the main body frame 15) of c, and a drench tube is formed in the tube connection port 17. 18, and its outdoor 12 side end is positioned outward from the surface of the wall 13 on the outdoor 12 side, so that it can be connected to the outside of the wall 13 from the surface of the outdoor 12 side through the bottom surface 15c of the main body frame 15. A drain port 19 is formed on the side. 20
2 is a shutter provided at the opening of the main body frame 15 on the outdoor side 12, 21 is a motor mounting leg provided approximately at the center inside the main body frame 15, 22 is a motor attached to the motor mounting leg 22, and 23 is a blower blade attached to the motor 22. , 24
The interior 11 of the main body frame 15 surrounds the blower blade 23.
This is a bell mouth installed in the side opening.

On the other hand, 25 is a decorative frame attached to the opening of the main body frame 15 on the side of the interior 11, and this has an inclined shape in which the front part gradually projects toward the interior 11 side as it goes toward the bottom, and the bottom part faces toward the rear. It forms a slope that gradually descends. And such a makeup frame 25
A tongue piece 26 is provided protruding from the decorative frame 25 and a tongue piece 27 is provided protruding from the main body frame bottom part 15c between the end edge of the main body frame bottom part 15c on the indoor 11 side. By overlapping the pieces 26 with the pieces 26 facing upward, the end edge of the main body frame bottom part 15c on the indoor 11 side and the decorative frame 2
A water guide plate portion 28 extending over five spaces is formed. Further, a water receiving stage part 29 is formed at a position of the surface part of the decorative frame 25 corresponding to the water guide plate part 28 and extends toward the indoor room 11 side, and this is connected to the lowest part of the ventilation hole 30 of the decorative frame 25. It is communicated with the water guide plate portion 28 by means of the following. Incidentally, numeral 31 is a notch for water passage formed at the lowermost part of the bell mouth 24.

Now, in the case of the structure as described above, water droplets generated on the surface of the decorative frame 25 flow through the surface of the decorative frame 25 and are received by the water receiving step 29, and then from the water receiving step 29 to the ventilation hole. 30 and flows over the tongues 26 and 27, that is, the water guiding plate portion 28. Further, water droplets generated on the back surface of the decorative frame 25 flow or fall from the back surface of the decorative frame 25, are received by the water guide plate 28, and then flow on the water guide plate 28. And both body frame 15
After reaching the bottom part 15c of
It flows over the top through the cutout 31 of the bell mouth 24. Further, on the bottom surface 15c of the main body frame 15, water droplets generated on the inner surface of the main body frame 15 and flowing or falling from the inner surface flow.
Each water droplet flowing on the main body frame bottom part 15c is then blocked by the water shielding part 16, passes from the connection port 17 through the drench tube 18, and then passes through the drain port 19 at the tip thereof.In other words, from the surface of the wall 13 on the outdoor 12 side It is discharged to the outdoors 12 from a location located outside.

In this way, in the case of this embodiment, neither the surface of the wall 13 on the indoor 11 side nor the surface on the outdoor 12 side is contaminated, and even in a situation where the thickness of the wall 13 is larger than the depth of the main body frame 15. , corrosion of the wooden frame 14 can be prevented without allowing water droplets to seep into the wooden frame 14.

Note that the water guiding plate portion 28 may be configured by only one of the tongue pieces 26 and 27 by extending either one of them. Further, as for the notch 31 of the bell mouth 24, a hole may be provided in the bell mouth 24 or the bottom surface portion 15c of the main body frame to penetrate in the indoor/outward direction.

In addition, the present invention is not limited to the embodiments described above and shown in the drawings, but may be implemented with appropriate modifications without departing from the gist.

[Effects of the invention] As is clear from the above description, according to the bathroom ventilation fan of the present invention, the bottom part of the main body frame, which is attached to the wall separating the indoor and outdoor areas of the bathroom, is attached to the wall while the bottom part of the body frame is attached to the wall that separates the indoor and outdoor areas. It is installed so that it slopes downward to
A drainage port is provided at the bottom of the tongue wall and located outward from the outdoor side of the tongue wall, and the makeup is attached to the indoor end of the bottom of the main body frame and the outdoor opening of the main body frame. By providing a water guide plate part extending between the frame and the frame, and a water receiving stage part communicating with the water guide plate part at a position on the surface of the decorative frame corresponding to the water guide plate part, the interior side of the bathroom wall is It has an excellent practical effect in that it can be used without staining the surface and the outdoor surface and without corroding the wooden frame.

[Brief explanation of drawings]

FIG. 1 is a vertical side view showing an embodiment of the present invention, and FIG. 2 is a vertical side view showing a conventional configuration. In the drawing, 11 is indoor of the bathroom, 12 is outdoor, 13
15 is a wall, 15 is a main body frame, 15c is a bottom part, 19 is a drain port, 25 is a decorative frame, 28 is a water guide plate part, and 29 is a water receiving stage part.

Claims (1)

[Scope of utility model registration request] The main body frame is attached to the wall separating the indoor and outdoor areas of the bathroom, and the decorative frame is attached to the indoor side opening of the main body frame, and the bottom part of the main body frame is attached to the wall and extends to the outdoor side. A drainage hole is provided so as to be inclined downwardly, and a drainage port is provided which is connected to the bottom surface of the wall and located outward from the outdoor side surface of the wall, and where the indoor end edge of the bottom surface of the main body frame and the decorative frame are connected to each other. A ventilation fan for a bathroom, characterized in that a water guide plate portion extending between the water guide plate portions is provided in between, and a water receiving step portion communicating with the water guide plate portion is provided at a position on the surface portion of the decorative frame opposite to the water guide plate portion.