JPH06235541A - Ventilating fan - Google Patents

Abstract

PURPOSE:To use constitution of a ventilating fan used in a high humidity place and that of a ventilating fan used in an ordinary place in common with each other. CONSTITUTION:A ventilating fan comprises an orifice 4 for discharge fitted in the venting hole of a structure having a vent passage; an electric motor 5 assembled in the orifice 4 for discharge; a fan 6 rotated with the aid of the electric motor; a ventilating fan body 7 to generate a discharge flow at the orifice 4 for discharge; a recessed part 9 formed in the lower corner part of the front of a front part 3 of the ventilating fan body 7; and a coupling terminal stand 11 to which a source cord 12 to feed a power source to the electric motor 5 through an indoor wiring 13 attachable in the recessed part 9 at different angles is connected. Thus, the common use of the ventilating fan used in a high humidity place and the ventilating fan used in an ordinary place is realized.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation fan for mounting a pipe end surface.

[0002]

2. Description of the Related Art A conventional ventilation fan for mounting a pipe end face is basically a main body to be mounted on an indoor side wall surface of a wall body having a through hole penetrating indoors and outdoors, and a front cover mounted on the front surface of the main body. The main body and front cover are designed according to the place of use.

[0003] For a room provided for ventilation in a normal room such as a living room, the front cover is designed as a decorative panel in harmony with the room, and for a kitchen room, a filter is attached to the suction port.

For bathrooms and toilets, one in which a main body is attached to a round pipe that penetrates indoors and outdoors has become widespread. This type has a structure as disclosed in, for example, Japanese Utility Model Laid-Open No. 61-71832. That is, as shown in FIG. 6, the main body 20 is constructed by attaching a tension spring 24 to a body 23 in which an electric motor 21 and a fan 22 are assembled, and a front cover 25 mounted on the front surface of the body 23 covers the front portion.

In the above ventilation fan, the main body 20 is pushed into the round pipe 26 from the indoor side, and the spring force of the tension spring 24 is applied to the round pipe 26 to attach it to the front cover 25.
Although it will function as a ventilator when it is installed, it cannot be connected to an indoor outlet to obtain power when it is used for ventilation in areas with high humidity such as a bathroom. I am trying to connect to.

[0006]

In the conventional ventilation fan for mounting a pipe as described above, one for use in a high humidity place, for example, for a bathroom and one for use in a normal place must be manufactured separately. In addition to the complexity of the manufacturing process, there is a problem to be solved in that it cannot be attached or detached only by operation from the indoor side when used in a high humidity place.

The present invention has been made in order to solve such a conventional problem, and the first purpose is to make common those used in a high humidity place and those used in a normal place. It is to eliminate the complexity of scale and manufacturing,
Secondly, it is possible to attach and detach all by operation from the front side, and thirdly, to enhance the function of treating water such as water droplets attached and the function of protecting the electric system from water.

[0008]

According to a first aspect of the present invention, there is provided an exhaust fan, an exhaust orifice fitted into a vent of a structure having an air passage, an electric motor assembled in the exhaust orifice, and a fan rotated by the electric motor. A ventilation fan body that forms an exhaust flow at the exhaust orifice, a recess formed in the lower corner of the front surface of the ventilation fan body, and a power supply to the electric motor from indoor wiring attached to the recess. And a connection terminal block for connecting via a power cord for supplying the power supply, and the recess is formed in a size such that the connection terminal block can be attached at different angles.

In the ventilation fan according to the second invention, a rib-shaped water guide portion having a downward slope is provided on the upper edge of the recess.

In the ventilation fan according to the third aspect of the invention, particularly, the position of the connecting terminal block in the recess is separated from the power supply insertion hole for inserting the terminal portion of the indoor wiring into the recess.

[0011]

According to the first aspect of the invention, when the connecting terminal block is attached to the recess formed in the lower corner of the front surface of the front surface of the ventilation fan main body, the connecting terminal is adjusted by adjusting the length of the power cord and the attaching position. The base can be mounted at different angles. Further, since the indoor wiring and the electric motor are connected via the connecting terminal block, the operation can be performed only from the front part of the ventilation fan. Further, by selecting and using the high-humidity connection terminal block or the normal connection terminal block, it can be used not only in a normal place but also in a high-humidity place.

In the second aspect of the invention, the water droplets adhering to the front surface are guided to the water guide portion which is an eave against the concave portion and are separated from the concave portion, so that they hardly enter the concave portion, and the connecting terminal block mounted in the concave portion. Can be sufficiently protected from water, and only by selecting the connection terminal block, it can be used in high humidity place or in normal place, and connection with connection terminal block Since the power can be supplied from the indoor wiring by operation, all can be attached and detached by the operation from the indoor side.

In the third aspect of the invention, in particular, the gap between the connection terminal block and the power supply insertion hole in the recess becomes large.

[0014]

1 is an exploded perspective view showing a ventilation fan for use in a high humidity place for wall mounting showing an embodiment of the present invention, FIG.
Is also a front view of the ventilation fan main body of FIG. 1, and FIG.
FIG. 3 is a perspective view of a connection terminal block used for the ventilation fan of FIG. Also,
4 is a perspective view showing a ventilation fan main body used in a normal place for wall mounting showing an embodiment of the present invention, and FIG.
FIG. 3 is a perspective view of a connection terminal block used for the ventilation fan of FIG.

The illustrated ventilation fan is for mounting on a wall surface of a wall body 2 having a through hole for mounting by a round pipe 1 penetrating the inside and outside of the room, and is attached to the side wall surface of the wall body 2 on the front side. The portion 3 has an exhaust orifice 4 communicating with the through hole, and an exhaust fan main body 7 for forming an exhaust flow in the exhaust orifice 4 by an electric motor 5 installed in the exhaust orifice 4 and a fan 6 rotated by the electric motor 5. And a decorative panel 8 as a front cover attached to the front surface of the ventilation fan body 7.
Consists of.

The front part 3 of the ventilation fan main body 7 is formed in a rectangular shape, and a suction port leading to the exhaust orifice 4 is opened forward in the center of the front face. The periphery of the suction port is configured as a flat surface up to the outer edge except the lower side. In the lower part of the front surface, a concave portion 9 is formed which divides one corner into a substantially triangular shape and faces the other corner into a rectangular shape. A rib-shaped water guide 10 is formed in an eave shape on the upper edge of the recess 9 so as to have a downward slope at a corner portion.

A connection terminal block 11 is attached in an inclined posture along the inclination of the water guide 10 at a portion near the corner of the recess 9 having a large area. The connection terminal block 11 is an electric motor 5
In order to connect the power cord 12 on the side and the indoor wiring 13, in the case of being used in a high humidity place, a relatively expensive water resistant structure is used which separates the phases as shown in FIG. It can be installed in a diagonal position.

Further, a space for mounting the connecting terminal block 11a in a horizontal position and a mounting structure (screw holes, etc.) are provided below the corners of the recess 9 as well. Connection terminal block 11a that can be mounted using this space and mounting structure
2 in the integrated body as shown in Figs.
It is a relatively inexpensive structure that can connect phases, and is used when configuring a ventilation fan that is used under normal circumstances. The recess 9 may have a size, for example, as shown in FIGS. 2 and 4, so that the connecting terminal block 11 can be mounted at at least two different angles.

In addition to the above, the recess 9 is provided with a cord insertion hole 14 for passing a power cord 12 from the electric motor 5, a power insertion hole 15 for passing a terminal portion of the indoor wiring 13, a drainage hole 16 and a panel mounting structure 17, respectively. ing. The cord insertion hole 14 is formed at the upper end near the corner, the power cord 12 from the electric motor 5 is passed through, and is connected to the connection terminal blocks 11 and 11a. The power supply insertion hole 15 is provided on the opposite side of the connection terminal blocks 11 and 11a where the installation space of the connection terminal blocks 11 and 11a is maximized, and the terminal portion of the indoor wiring 13 is inserted therethrough.
1, 11a. The drainage hole 16 is opened at the bottom corner of the recess 9 to allow water to flow outside.

The panel mounting structure 17 is formed at the center of the lower end of the recess 9 and fixes the decorative panel 8 fitted to the front surface 3 of the ventilation fan main body 7 by tightening the set screw 18 from below. is there.

The ventilating fan having the above-mentioned structure, whether used in a place with high humidity or in a normal place, is connected terminal block 1
Other configurations are common except 1 and 11a. Therefore, the complexity of manufacturing can be eliminated and the cost can be reduced. The round pipe 1 of the ventilation fan main body 7 is installed from the indoor side.
Wearing operation to, indoor wiring 13 connection operation from the indoor side,
All the operations such as the operation of attaching the decorative panel 8 from the indoor side are completed by the operations on the indoor side. Of course, the same applies to removal.

The terminal portion of the indoor wiring 13 is connected to the connection terminal block 11,
11a, the power supply insertion hole 15 and the connection terminal block 1
Since there is a sufficient gap between 1 and 11a, the connection operation is easy and there is no difficulty.

For water, water droplets or the like are discharged into the exhaust orifice 4
Even if the water flows from the front surface to the front surface of the front surface portion 3, the water guide 10 prevents the water from entering the recessed portion 9, and the water is guided by the inclination of the water guide 10 and the side portion of the front surface portion 3 Will flow out from the wall to the mounting part. Also,
Even if water vapor or the like intervenes in the recess 9, since the two phases are separately connected to the connection terminal block 11, the problem of reduction in insulation resistance does not occur. Furthermore, since the connection terminal block 11 is attached obliquely, the water droplets generated on the connection terminal block 11 will flow down without stopping, and eventually flow out from the drain hole to the outside and be drained along the wall surface. become.

[0024]

As is apparent from the description of the embodiments, according to the first invention, when the connecting terminal block is mounted in the recess formed in the lower corner of the front surface of the ventilation fan body, Since it can be installed at different angles, only the connection terminal block for normal use or the connection terminal block for high humidity can be selected and only the installation posture can be supported, so it can be used appropriately in high humidity and normal places, and indoor wiring Since the connection between the electric motor and the electric motor can be performed by the connecting operation on the connection terminal block, it can be detached and attached all by the operation from the indoor side, the manufacturing complexity is eliminated, and the cost is reduced.

According to the second aspect of the invention, the water droplets adhering to the front surface are guided to the water guide portion which is the eaves with respect to the concave portion and separated from the concave portion, so that they hardly enter the concave portion, and the connecting terminal attached to the concave portion. It is possible to fully protect the base from water, and by only selecting the connection terminal block, it can be used in a high humidity place or in a normal place,
Moreover, since the power can be supplied by the connecting operation on the connection terminal block, it is possible to detach and attach all by the operation from the inside of the room, the manufacturing complexity is eliminated, and the cost is reduced.

According to the third aspect of the invention, in particular, the gap between the connection terminal block and the power supply insertion hole in the recess becomes large, which facilitates the connection operation of the indoor wiring.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a ventilation fan showing an embodiment of the present invention.

FIG. 2 is a front view of a ventilation fan main body of the ventilation fan of FIG.

FIG. 3 is an enlarged perspective view showing a connection terminal block of the ventilation fan of FIG.

FIG. 4 is a perspective view of a ventilation fan main body of the ventilation fan according to the embodiment of the present invention.

FIG. 5 is an enlarged perspective view showing a connection terminal block of the ventilation fan of FIG.

FIG. 6 is a sectional view showing a conventional ventilation fan in an attached state.

[Explanation of symbols]

 1 Round Pipe 2 Wall Body 3 Front Part 4 Exhaust Orifice 5 Electric Motor 6 Fan 7 Ventilation Fan Main Body 8 Decorative Panel 9 Recess 10 Water Guide 11 Connection Terminal Block 11a Connection Terminal Block 12 Power Cord 13 Indoor Wiring 15 Power Insertion Hole 16 Drainage Hole

Claims (3)

[Claims] 1. An exhaust gas outlet, which is fitted into a ventilation port of a structure having a ventilation passage, an electric motor installed in the exhaust gas orifice, and a fan rotated by the electric motor. And a recess formed in the lower corner of the front surface of the front face of the ventilation fan body, and a connection for connecting via a power cord that is attached to the recess and supplies power to the electric motor from indoor wiring. A ventilation fan, characterized in that a terminal block is provided, and the recess is formed in a size that allows the connection terminal block to be mounted at different angles. 2. The ventilation fan according to claim 1, wherein a rib-shaped water guide portion having a downward slope is provided on an upper edge of the recess. 3. A power supply insertion hole for inserting a terminal portion of indoor wiring is provided on the opposite side of the connection terminal block provided on one side in the recessed portion, apart from the connection terminal block. The ventilation fan according to claim 1.