JP3251745B2 - Ventilation fan - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilating fan having a structure in which a plug connected to a fan driving motor cable is connected to an outlet connected to a cable for indoor wiring.

[0002]

2. Description of the Related Art Heretofore, there has been provided a ventilating fan in which a fan driving motor is connected to an indoor wiring cable to supply power to the fan driving motor.

FIG. 5 shows an example of this type of ventilation fan. In FIG. 5, a pipe 3 is fitted into a mounting opening 2 formed in a wall surface 1, and an indoor wiring cable 5 is led out from a hole 4 formed in the wall surface 1 located at a peripheral portion of the pipe 3. Have been. Flange 7 of ventilation fan body 6
The indoor wiring cable 5 led out from the wall surface 1 is led out to the front side of the flange portion 7 through the hole 8. Further, a fan driving motor 9 is mounted on the ventilation fan body 6, and the cable 10 of the fan driving motor 9 and the indoor wiring cable 5 led out to the front side of the flange portion 7 are connected to the SL terminal (screwless). Terminal 11). Therefore, the ventilation fan body 6
In the state where the decorative frame 12 is attached to the flange portion 7, the cables 5, 10 and the SL terminal 11 can be concealed from general users by the decorative frame 12, so that the appearance is good.

[0004]

However, in the above-mentioned conventional configuration, the indoor wiring cable 5 and the SL terminal 1 are not provided.
1 and the work of directly handling such an indoor wiring cable 5 must be performed by an electric contractor. For this reason, the general user cannot attach / detach the indoor wiring cable 5 and the SL terminal 11, so that the ventilation fan main body 6 cannot be removed from the wall 1 at the time of cleaning, and the ventilation fan main body 6 needs to be replaced. Cannot be performed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a ventilation fan which can be installed and removed by a general user while maintaining good appearance.

[0006]

SUMMARY OF THE INVENTION A ventilation fan according to the present invention has a flange abutting on a peripheral portion of the mounting port when mounted on a mounting port formed on a wall, and exhausts indoor air through the mounting port. A ventilation fan main body having a fan driving motor for carrying out, and an outlet connected to an indoor wiring cable led out from a wall to which a flange portion of the ventilation fan body abuts is stored and stored from the rear side of the flange portion. A housing is formed on the rear side of the flange so that a plug connected to the fan driving motor cable can be inserted into the outlet from the front side of the flange. A decorative frame is provided to cover the flange portion.

In this case, the storage portion is formed at a portion of the flange portion of the ventilation fan main body that is separated from a portion facing the lead-out position of the indoor wiring cable led out from the wall surface, and is formed on the rear side of the flange portion of the ventilation fan main body. Alternatively, a cable storage portion for storing the indoor wiring cable led out from the wall surface from the rear side of the flange portion may be provided in communication with the storage portion.

[0008] The storage portion may be formed so that a plug can be inserted from below in a state where the ventilation fan main body is mounted on the mounting opening.

[0009]

In the case of the ventilation fan according to the first aspect, when the ventilation fan main body is mounted on the wall surface, the outlet connected to the indoor wiring cable is stored in the storage portion provided on the flange portion of the ventilation fan main body from the rear side of the flange portion. It is performed in the state of having done. Thus, when the ventilation fan main body is mounted on the wall surface, the outlet is concealed by the flange portion of the ventilation fan main body. Subsequently, when the plug connected to the cable of the fan drive motor of the ventilation fan main body is inserted into the outlet from the front side of the housing portion of the flange portion, power can be supplied to the fan drive motor. When the decorative frame is attached to the ventilation fan main body, each cable and the storage portion located on the flange portion of the ventilation fan main body can be concealed.

In the case of the ventilation fan according to the second aspect, when the ventilation fan main body is mounted on the wall surface, the outlet connected to the indoor wiring cable led out from the wall surface is connected to the storage portion provided on the flange portion of the ventilation fan main body by the flange portion. And the indoor wiring cable led out from the wall surface is stored in the cable storage portion provided on the flange portion from the rear side of the flange portion. This allows the indoor wiring cable led from the wall to the outlet to be stored in the cable storage section when the ventilation fan main body is mounted on the wall. It is not necessary to push the cable into the wall, and it is not necessary to drag the indoor wiring cable from the wall when removing the ventilation fan body from the wall.

[0011] In the case of the ventilating fan according to the third aspect, since the plug connected to the cable of the fan driving motor is plugged into the outlet through the storage portion from below, water droplets adhere to the cable of the fan driving motor. Even if it does, the water droplets will not be transmitted to the outlet, so that no electric leakage or fire will occur.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view showing a state in which a ventilation fan is removed from a wall surface, and FIG. 2 is a cross-sectional view showing a ventilation fan mounted on the wall surface. In FIGS. 1 and 2, a mounting port 22 is formed through the wall surface 21, and a pipe 23 is fitted into the mounting port 22. A hole 24 is formed in the peripheral portion of the mounting port 22 on the wall surface 21, and the indoor wiring cable 25 is led out of the hole 24 to the indoor side. An outlet 26 having an SL terminal (screwless terminal) is connected to a distal end of the indoor wiring cable 25.

The housing of the ventilation fan body 27 is formed by integrally molding a cylindrical portion 28 and a flange portion 29. Here, the cylindrical portion 2
A fan drive motor 30 is fixed to 8, and a fan 31 located in the tubular portion 28 rotates in a state where power is supplied to the fan drive motor 30. A spring member 32 is formed on the outer peripheral surface of the cylindrical portion 28 so as to be curved outward.
Are mounted, and the spring member 32 is attached to the pipe 23.
The ventilation fan body 27 is pressed against the inner surface of
3.

A cable guide portion 33 is formed on the outer surface of the cylindrical portion 28, and the cable 34 of the fan driving motor 30 is guided by the cable guide portion 33 on the front side of the flange portion 29 (see FIG. 2). (Inside the room). A plug 35 is connected to the end of the cable 34.

An accommodating portion 36 is formed at the lower corner of the flange portion 29 of the ventilation fan main body 27 on the back side. The housing portion 36 is formed by bulging a predetermined portion of the flange portion 29 on the front surface side of the flange portion 29, and has a rectangular insertion port 36a formed on the front surface thereof. An outlet 26 connected to the end of the indoor wiring cable 25 is housed in the housing 36 in a fitted state that can be detached from the rear side of the flange 29.

The flange portion 29 of the ventilation fan main body 27
A rising portion 29a is formed at a peripheral edge of the frame, and a decorative frame 37 is attached so as to cover the rising portion 29a.

Next, a description will be given of a mounting operation when the ventilation fan having the above configuration is mounted on a wall surface. Here, the hole 2 of the wall surface 21
It is assumed that an outlet 26 is connected in advance to the tip of the indoor wiring cable 25 derived from FIG. In this case, the work of connecting the outlet 26 to the indoor wiring cable 25 needs to be performed by an electric contractor.

In order to attach the ventilation fan body 27 to the wall 21, first, as shown in FIG. 1, the outlet 26 connected to the indoor wiring cable 25 led out from the hole 24 of the wall 21 is connected to the flange of the ventilation fan body 27. The flange portion 29 is stored in the storage portion 36 formed in the portion 29 from the rear side.
As a result, the outlet 26 is stored in the storage portion 36 in a detachable fitting state, and the insertion portion of the outlet 26 is inserted into the insertion port 36 formed in the storage portion 36 in the stored state.
The person comes to face forward from a.

Subsequently, the tubular portion 28 of the ventilation fan main body 27 is inserted into the pipe 23 while pushing the indoor wiring cable 25 led out from the hole 24 of the wall surface 21 into the hole 24. Then
Since the spring member 32 provided on the tubular portion 28 is pressed against the inner surface of the pipe 23, the ventilation fan main body 27 can be firmly attached to the pipe 23. At this time, when the ventilation fan main body 27 is mounted, the flange portion 29 of the ventilation fan main body 27 is
Abuts against the peripheral edge of the mounting opening 22, so that the opening surface of the storage section 36 is closed by the wall surface 21. As a result, the outlet 26 stored in the storage section 36 is
The positioning of the outlet 26 is restricted because the positioning is performed in a space closed by the wall 6 and the wall surface 21.

Then, after inserting the plug 35 connected to the cable 34 of the fan drive motor 30 into the insertion portion of the outlet 26 stored in the storage portion 36, the decorative frame 37 is attached to the ventilation fan main body 27. This completes the installation work of the ventilation fan.

When removing the ventilation fan for cleaning or replacement, first, the decorative frame 37 is removed from the ventilation fan main body 27. Then, the plug 3 inserted into the outlet 26
5 appears, the plug 35 is removed from the outlet 26, and then the ventilation fan body 27 is pulled out from the pipe 23.
Thereby, the ventilation fan main body 27 can be removed from the wall surface 21.

According to the above configuration, the ventilation fan body 27
The outlet 26 connected to the indoor wiring cable 25 is stored from the back side of the flange portion 29 in a storage portion 36 formed on the back side of the flange portion 29, and a fan is inserted into the outlet 26 stored in the storage portion 36. Since the plug 35 connected to the cable 34 of the drive motor 30 is inserted from the front side of the flange portion 29, when removing the ventilation fan main body 27 from the wall surface 21, it is possible to remove the plug 35 from the outlet 26. it can. Therefore, the cable for the indoor wiring and the cable for the fan drive motor must be S
Unlike the conventional connection method using the L terminal, when removing the ventilation fan main body 27 from the wall surface 21, there is no need to directly handle the indoor wiring cable 25, so that the general user can clean or replace the ventilation fan main body 27. Becomes

As described above, the housing 36 for housing the outlet 26 is provided with the flange 2 of the ventilation fan main body 27.
9, the decorative frame 37 is attached to the ventilation fan main body 27.
The storage part 36 and each cable 25, 3
4 can be concealed, so that the appearance can be improved.

FIGS. 3 and 4 show a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted. I do. That is, in FIGS. 3 and 4, the storage part 36 is formed at the upper corner on the back side of the flange part 29 of the ventilation fan main body 27, and as shown in FIG. It is formed on the lower surface of the flange portion 36. In this case, the insertion portion of the outlet 26 stored in the storage portion 36 faces downward through the insertion port 36a of the storage portion 36.

Further, a cable housing portion 38 communicating from a portion corresponding to the hole 24 of the wall surface 21 to the housing portion 36 is formed in the flange portion 29 of the ventilation fan main body 27 so as to bulge toward the front side of the flange portion 29. . In the cable storage portion 38, the indoor wiring cable 25 led out from the hole 24 of the wall surface 21 with the ventilation fan body 27 attached to the wall surface 21 is provided.
Is to be stored.

When the ventilation fan body 27 is mounted on the wall surface 21, the outlet 26 connected to the indoor wiring cable 25 led out from the hole 24 of the wall surface 21 is stored in the storage portion 36 from the rear side of the flange portion 29. The indoor wiring cable 25 connected to the outlet 26 is stored in the cable storage section 38 from the rear side of the flange section 29. Therefore, when the ventilation fan body 27 is mounted on the wall surface 21, it is not necessary to push the indoor wiring cable 25 derived from the hole 24 of the wall surface 21 into the hole 24 in order to connect the outlet 26. In addition, the ventilation fan body 27 is
When detached from the cable storage section 38 as shown in FIG.
Since the indoor wiring cable 25 housed in the wall is dragged toward the wall surface 21, there is no need to drag the indoor wiring cable 25 from the hole 24 in the wall surface 21, and the work of removing and attaching the ventilation fan main body 27 is eliminated. Can be easily performed, and the indoor wiring cable 25
There is no rubbing and scratching.

When the main body 27 of the ventilation fan is mounted on the wall surface 21, the outlet of the outlet 26, which is housed in the housing 36 and into which the plug 35 is inserted, faces downward. Therefore, even if water droplets adhere to the cable 34 of the fan driving motor 30, the water droplets do not propagate along the cable 34 and adhere to the insertion portion of the outlet 26. There is no danger such as short circuit or fire.

[0028]

As is apparent from the above description, the ventilation fan according to the present invention has the following effects.

According to the first aspect of the present invention, a storage portion is provided on the back side of the flange portion of the ventilation fan main body, and an outlet connected to an indoor wiring cable led out from a wall surface is provided in the storage portion on the back side of the flange portion. Since the plug is connected to the outlet of the fan drive motor from the front side of the flange part, and the decorative frame is attached to the ventilation fan body, General users can attach and remove the ventilation fan while maintaining good appearance.

According to the second aspect of the present invention, a cable storage portion is provided on the back side of the flange portion of the ventilation fan main body in communication with the storage portion, and the indoor wiring cable led out from the wall surface is provided in the storage portion. Since it is stored from the rear side, the work of attaching and detaching the ventilation fan can be performed more easily.

According to the third aspect, the storage section is
Because the plug is formed so that it can be inserted from below, even if water drops adhere to the fan drive motor cable,
There will be no leakage or fire.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a first embodiment of the present invention.

FIG. 2 is an overall vertical sectional view.

FIG. 3 is a view corresponding to FIG. 1, showing a second embodiment of the present invention;

FIG. 4 is a diagram corresponding to FIG. 2;

FIG. 5 is a diagram corresponding to FIG. 1 showing a conventional example.

[Explanation of symbols]

21 is a wall surface, 22 is a mounting port, 25 is a cable for indoor wiring, 26 is an outlet, 27 is a ventilation fan main body, 29 is a flange portion, 34 is a cable, 35 is a plug, 36 is a storage portion, 37 is a decorative frame, 38 is a decorative frame. It is a cable storage section.

Claims (3)

(57) [Claims] 1. A fan drive motor for exhausting room air through the mounting port, the flange section being in contact with a peripheral edge of the mounting port when mounted on a mounting port formed in a wall. A ventilating fan body, and an outlet provided on the rear side of the flange portion of the ventilating fan body and connected to an indoor wiring cable led out from a wall surface with which the flange portion abuts is housed and stored from the back side of the flange portion. A housing formed to be able to insert a plug connected to a cable of the fan driving motor from a front side of the flange portion into a receptacle, and a makeup that covers the flange portion by being attached to the ventilation fan main body. A ventilation fan comprising a frame. The storage portion is formed at a portion of the flange portion of the ventilation fan main body which is separated from a portion facing the lead-out position of the indoor wiring cable led out from the wall surface, and on the rear side of the flange portion of the ventilation fan main body, The ventilation fan according to claim 1, wherein a cable storage portion for storing the indoor wiring cable led out from the wall surface from the rear side of the flange portion is provided in communication with the storage portion. 3. The ventilation fan according to claim 1, wherein the storage portion is formed so that a plug can be inserted from below when the ventilation fan body is attached to the mounting opening.