JPH10253137A - Ventilator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent air leakage without using conventional engaging means between a duct connecting adaptor and a body frame. SOLUTION: In a duct connecting adaptor 27, a ventilator provides the lower end part of a main plate part 28 with the first mounting piece 30, and the lower end part of a side plate part 32 with the second mounting piece 33, so as to assign the first and second mounting pieces 30 and 33 to different 3 sides of a crate, when being mounted at the crate of the ceiling. When a body frame 36 is inserted into an opening part of the crate to be mounted, there is a composition in which the first and second mounting pieces 30 and 33 are pressed against the crate from the down part by a flanged portion 39. As a result of this, the tilt of the main plate part 28 to the side of a duct 35 can be prevented, thus preventing air leakage without using conventional engaging means between a duct connecting adaptor 27 and the body frame 36.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilating apparatus having a duct connection adapter, a main body frame in which a fan device is disposed, and these being disposed above a ceiling.

[0002]

FIGS. 8 and 9 show a conventional structure of this type of ventilating apparatus. Of these, the configuration shown in FIG. 8 has the following configuration. That is, the duct connection adapter 2 of the ventilator 1 inserts the main plate portion 4 having the connection port 3 protruding laterally into the opening 5a of the wooden frame 5 provided on the ceiling, and the lower end portion of the main plate portion 4 Is attached to one side of the wooden frame 5 from below, whereby the connection port 3 is provided in a state where the connection port 3 is arranged behind the ceiling. A duct 6 arranged behind the ceiling is connected to the connection port 3.

The main body frame 7 is inserted into the opening 5a from below, and is disposed behind the ceiling by attaching a flange portion 7a provided on the peripheral edge of the lower end portion to the wooden frame 5. A vent 8 is formed on one side surface of the main body frame 7, and the vent 8 communicates with the connection port 3. Although not shown, a fan device is provided inside the main body frame 7.

An engagement piece 4b is provided at the upper end of the main plate portion 4 of the duct connection adapter 2, and an engagement recess 7b is provided on the upper surface of the main body frame 7. By engaging the engagement recesses 4b with the engagement recesses 7b, a gap is not formed between the main plate portion 3 of the duct connection adapter 2 and the side surface of the main body frame 7 in which the communication port 8 is formed. Try to prevent.

In the above-described configuration, for example, when the duct 6 is connected to the connection port 3 of the duct connection adapter 2 before the main body frame 7 is inserted into the opening 5a, When the main body frame 7 is removed, the main plate portion 4 of the duct connection adapter 2 is
It may tilt to the side (see arrow A). When the body frame 7 is inserted into the opening 5a in such a state,
As shown in the figure, the engaging piece 4b of the duct connection adapter 2 does not engage with the engaging concave portion 7b of the main body frame 7, or it is difficult to engage.

FIG. 9 shows the main plate portion 4 of the duct connection adapter 2.
An engaging hole 4c is provided in the upper end portion instead of the engaging piece 4b in FIG. 8, and the upper surface of the main body frame 7 is inserted into the engaging hole 4c instead of the engaging concave portion 7b in FIG. The engaging piece 9 is provided in a protruding state. 9 also has the same problem as FIG. 8 described above.

On the other hand, in recent years, in many houses, as shown in FIG. 10, the ceiling of the living room 10 is often designed to be higher than the ceiling of the corridor 11 or the like. For example, in the case of FIG. 10, the height A from the floor of the living room 10 to the ceiling panel 10a is 2550 mm, and the ceiling panel 10a
Is about 120 mm from the lower surface of the ceiling to the upper surface of the ceiling back 12. Therefore, when the ventilator 1 having the above-described configuration is disposed in the ceiling back 12, the product height C of the ventilator 1 is calculated from the width B of the ceiling back 12 to the thickness of the ceiling plate 10 a. D (for example, 12.5 mm)
Less than 107.5 mm is required. The height E from the floor of the corridor 11 to the ceiling plate 11a is E
Is 2400 mm, and a foot dimension F from the lower surface of the ceiling plate 11a to the upper surface of the ceiling space 13 is about 270 mm.

However, in the above-described conventional configuration, when the height of the product is reduced, the following problem occurs. In the configuration shown in FIG. 8, the engagement recess 7b needs to be formed on the upper surface of the main body frame 7, so that the storage space inside the main body frame 7 is reduced. In the configuration shown in FIG. 9, since it is necessary to provide an engaging piece 9 protruding upward on the upper surface of the main body frame 7, the duct connection adapter 2
In addition, it is necessary to reduce the height of the main body frame 7.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a ventilation device which can prevent air leakage without using a conventional engaging means between a duct connection adapter and a main body frame. To provide.

[0010]

In order to achieve the above object, the invention according to claim 1 is provided at one end of an edge of an opening provided on a ceiling at a lower end of a main plate provided with a connection port. And a second mounting portion provided to correspond to a side of the edge of the opening adjacent to the side corresponding to the first mounting portion. The first and second attachment pieces are attached to the edge of the opening in a state where the first and second attachment pieces are applied to the edge of the opening from below. And a duct connection adapter to which a duct is connected to a connection port thereof, a ventilation port on a side surface, a flange portion projecting sideways on a peripheral edge portion of a lower end portion, and a fan inside. A device is provided, inserted into the opening from below, and By attaching the flange to the edge of the opening of the first and second attachment piece from below Nji portion so as to hold down the edge of the opening,
A main body frame disposed behind the ceiling in a state where the ventilation port communicates with the connection port.

According to the above-described means, when the duct connection adapter is mounted on the edge of the opening of the ceiling, the first mounting piece and the second mounting piece are formed on different sides of the edge of the opening. Therefore, it is possible to prevent the main plate portion from being attached to the duct side inclining as much as possible. In addition, in a state where the main body frame is inserted into the ceiling opening and mounted, the flange portion of the main body frame presses the first and second mounting pieces against the edge of the opening, so that the connection is established. Even if there is a situation where the duct is connected to the mouth,
The duct connection adapter can be further prevented from tilting toward the duct.

Accordingly, air leakage can be prevented without using a conventional engaging means between the duct connection adapter and the main body frame.

In this case, the second mounting pieces of the duct connection adapter are preferably provided so as to correspond to two sides of the edge of the opening adjacent to the side corresponding to the first mounting piece. (Invention of claim 2).

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. First, FIG. 4 shows a state in which the ventilating device 21 of the present invention is disposed on the ceiling 23 of a room 22 such as a living room. A rectangular opening 25 is provided by a wooden frame 24 on the ceiling of the room 22, and a ceiling plate 26 is attached outside the wooden frame 24.

As shown in FIGS. 1 to 3, the duct connection adapter 27 has a main plate portion 28 made of, for example, a metal plate, and a flat cylindrical connection port 29 is provided above the main plate portion 28. It is provided so as to protrude to the side. The main plate portion 28 has a width dimension corresponding to the length of one side of the opening portion 25, and has a first mounting portion projecting from a lower end portion thereof so as to project in the same direction as the projecting direction of the connection port 29. The piece 30 is provided integrally, and an upper plate portion 31 is integrally provided at an upper end portion thereof and protrudes to a side opposite to the first mounting piece 30. Also, on both left and right sides of the main plate portion 28, an upper plate portion 31 is provided.
Side plate portions 32, 32 are integrally provided so as to protrude in the same direction as the above, and second mounting pieces 33 are integrally provided at lower end portions of these side plate portions 32 so as to project laterally. I have.

Here, the first mounting piece 30 corresponds to one side of the wooden frame 24 forming the edge of the opening 25, and the two second mounting pieces 33 are 1 mounting piece 30
And two sides adjacent to each other.

A sheet-shaped sealing member 34 is attached to the inner surface of the main plate 28 so as to remove the connection port 29. The sealing member 34 is made of, for example, foamed polyethylene and has a configuration in which foaming is independently performed. The sealing member 34 has a relatively small amount of deformation, and has a configuration having a smooth surface.

The duct connection adapter 2 having such a configuration.
7 are the first and second mounting pieces 30, as shown in FIG.
33 is attached to the wooden frame 24 with screws (not shown) or the like in a state where it is applied to the edge (the wooden frame 24) of the opening 25 from below.
3 and the connection port 29 is arranged in the ceiling space 23. In this case, of the first and second attachment pieces 30, 33, only the first attachment piece 30 may be screwed to the wooden frame 24, or the first and second attachment pieces 30, 33. May be screwed to the wooden frame 24, respectively.

The connection port 29 is connected to one end of a duct 35 provided on the ceiling back 23, and a tape 35a is wound around the connection portion. Although not shown, the other end of the duct 35 is connected to, for example, a discharge port of an air conditioner. The connection between the connection port 29 and the duct 35 is performed before the main body frame 36 described later is attached.
6 after installation.

On the other hand, the main body frame 36 has a rectangular box shape with an open lower surface, and a flat rectangular ventilation port 37 corresponding to the connection port 29 is provided on one side surface 36a. A sheet-shaped seal member 38 is attached to an outer surface extending from the side surface 36a provided with the vent 37 to the upper surface 36b. The seal member 38 is made of, for example, foamed polyurethane and has a configuration in which foaming is performed continuously, and is configured to be easily deformed as compared with the seal member 34 of independent foaming.

Flanges 39 projecting sideways are integrally provided on the four sides of the peripheral edge at the lower end of the main body frame 36, and these flanges 39 correspond to the four sides of the wooden frame 24. It has become.

A fan device 42 having a motor 40 and a fan 41 composed of a centrifugal fan rotated and driven by the motor 40 is provided inside the main body frame 36 and surrounds the fan 41. A casing member 44 made of, for example, styrofoam, having the fan casing portion 43 integrally, is provided. A closing plate 45 is attached to the lower surface of the casing member 44 so as to close the lower surface of the fan casing 43.
An outlet 46 is formed between the fan casing 43 and the fan casing 43.

The main body frame 36 constructed as described above is mounted on the main frame 36 shown in FIG.
As shown in the figure, the side surface 36a on the side where the vent 37 is provided
Of the main plate portion 28 of the duct connection adapter 27 so that
It is inserted from below into the opening 25 of the wooden frame 24 so that each flange 39 is applied to the four sides of the wooden frame 24 from below.
At this time, the first and second attachment pieces 30 and 32 on the duct connection adapter 27 side are attached to the wooden frame 2 by the three side flange portions 39.
4 In this state, by attaching each flange portion 39 to the wooden frame 24 with a screw (not shown) or the like, the main body frame 36 is placed on the ceiling back 23 (see FIG. 4).

With the main body frame 36 mounted, the main body frame 36
Communication port 37 and connection port 29 of duct connection adapter 27
Are in communication with each other, and the seal member 34 and the seal member 38 are in close contact with each other.

Below the main body frame 36, a decorative panel 47 is attached so as to cover the lower surface opening of the main body frame 36. The decorative panel 47 is provided with an air outlet 48 at a position corresponding to the outlet 46, and a louver 49 is provided at the air outlet 48.

Now, in the above configuration, the fan device 42
When the motor 40 is energized and the fan 41 is rotated by the motor 40, the air cooled or warmed by the air conditioner (not shown) by the blowing action of the fan 41 causes the duct 35, the connection port 29, and the ventilation port 37, the fan casing 43 in the main body frame 36
(See arrow G1 in FIG. 4). Then, the air sucked into the fan casing portion 43 flows from the air outlet 46 through the air outlet 48 of the decorative panel 47 to the room 2.
2 (see arrow G2 in FIG. 4).

According to the above-described embodiment, the following effects can be obtained. First, first and second attachment pieces 30 and 33 are provided at the lower end of the duct connection adapter 27, and when the duct connection adapter 27 is attached to the wooden frame 24, these first and second attachment pieces are used. Since 30 and 33 are applied to three different sides of the wooden frame 24 from below, it is possible to prevent the duct connection adapter 27 from being attached in an inclined state as much as possible. Also,
Even when the duct 35 is connected to the connection port 29 in a state before the main body frame 36 is attached, the inclination of the duct connection adapter 27 can be prevented as much as possible. In this case, the height dimension of the main plate portion 28 in the duct connection adapter 27 is
It is set lower than the conventional one and has a configuration that is hard to tilt.

The main frame 36 is connected to the opening 2 of the wooden frame 24.
5 and attached to the wooden frame 24, the main body frame 3
6, the first and second mounting pieces 3
Since 0 and 33 are pressed against the lower surface of the wooden frame 24, even if the duct 35 is connected to the connection port 29, the duct connection adapter 27 can be further prevented from tilting.

Therefore, the conventional engagement means (engaging piece 4b and engaging recess 7b, engaging hole 4c and engaging piece 9) is used between the duct connection adapter 27 and the main body frame 36. And air leakage can be prevented. Further, since there is no need to provide such an engaging means, there is no need to reduce the storage space of the main body frame 36 or to protrude from the main body frame 36, so that the product height can be suppressed, and a narrow ceiling can be provided. It can be arranged on the back 24 as well.

A seal member 34 is provided on the inner surface of the main plate portion 28 of the duct connection adapter 27, and a side surface 36a of the main body frame 36 facing the inner surface of the main plate portion 28.
Since the seal member 38 is provided on and tightly attached to each other, air leakage therebetween can be more reliably prevented. In this case, one of the seal members 34, 38 has a closed-cell structure and has a smooth surface, so that the main frame 3 can be used while using the seal members 34, 38.
The work when inserting 6 into the opening 25 becomes smooth,
There is an advantage that mounting work is easy. Further, in this case, the other seal member 38 has a continuous foaming structure and is easily deformed, so that the hermeticity can be maintained.

Further, the sealing member 38 on the body frame 36 side
From the side surface 36 a provided with the vent 37 to the upper surface 36 b
And the upper surface 36b is also adhered, so that even if the adhesive margin area of the upper portion 37a (see FIG. 1) of the vent 37 is small, the sealing member 38
There is an advantage that it is hard to peel off.

FIG. 5 shows a second embodiment of the present invention. The second embodiment differs from the first embodiment in the following points.

That is, in the duct connection adapter 27, the first mounting pieces 30 are attached to the second mounting pieces 33 on both the left and right sides.
The extension portions 50 extending in the protruding direction (the same as the protruding direction of the connection port 29) are provided integrally. The width of the first mounting piece 30 in the left-right direction is reduced by the length of the second mounting piece 33 provided with the extension 50.

In such a configuration, the wooden frame 24
Can be increased, so that the main plate portion 28 can be more effectively prevented from inclining toward the duct 35 side.

FIG. 6 shows a third embodiment of the present invention. The third embodiment differs from the first embodiment in the following points. That is, the duct connection adapter 27 has a configuration in which the first attachment piece 30 and the second attachment piece 33 are connected by the connection plate 51. Connecting plate 51
Is fixed to the first and second attachment pieces 30, 33 by, for example, welding.

In such a configuration, the first mounting piece 30 side and the second mounting piece 33 side are integrated and further strengthened, so that the main plate portion 28 is further inclined to the duct 35 side. Can be difficult.

FIG. 7 shows a fourth embodiment of the present invention. The fourth embodiment differs from the first embodiment in the following points. That is, in the duct connection adapter 27, the main body frame 36 is connected to the opening 25 of the wooden frame 24 while the duct connection adapter 27 is attached to the wooden frame 24.
In this state, the main plate 28 is attached to the center of the opening 25 at an angle α with respect to the vertical direction before being inserted into the main body. Is in the range of 0 to about 3 degrees (0 <
α ≦ 3 °).

In such a configuration, by inserting the main body frame 36 into the opening 25 and attaching it to the wooden frame 24, the main plate portion 28 is pushed by the main body frame 36 to be in a vertical state as shown in FIG. Become. In particular, since the seal member 34 absorbs the inclination, even if the angle is inclined by α, a gap is not generated between the main plate portion 28 and the main body frame 36, so that the wind does not leak.
Even in such a configuration, the duct connection adapter 2
7 can be more reliably prevented from inclining toward the duct 35 side.

The present invention is not limited to the above embodiments, but can be modified or expanded as follows. In each of the above-described embodiments, the configuration in which the air on the duct 35 side is supplied to the room 22 side is illustrated. However, the present invention relates to a configuration in which the air in the room 22 is discharged to the outside via the duct 35. Can also be applied.

The main plate 2 of the duct connection adapter 27
The height of the frame 8 and the body frame 36 is not limited to a low height as in each of the above-described embodiments, but can be applied to the heights of the conventional configurations shown in FIGS.

[0041]

According to the first aspect of the present invention, in the duct connection adapter, the first mounting piece and the second mounting piece are respectively applied to different sides of the edge of the opening of the ceiling. Therefore, it is possible to prevent the main plate from being attached to the duct side while being inclined. Moreover, in a state where the main body frame is inserted into the ceiling opening and mounted, the flange portion of the main body frame presses the first and second mounting pieces against the edge of the opening, so that the duct The connection adapter can be further prevented from leaning toward the duct. Therefore, air leakage can be prevented without using a conventional engaging means between the duct connection adapter and the main body frame, and the height of the product can be reduced.

According to the second aspect of the present invention, the second mounting piece is provided at two places, and the first and second mounting pieces are applied to three different sides of the edge of the opening. The duct connection adapter can be more reliably prevented from tilting toward the duct.

According to the third aspect of the present invention, since the second mounting piece is provided with the extension, the margin of the opening of the second mounting piece to the edge is increased, and the duct connection adapter is provided. Can be more reliably prevented from leaning toward the duct.

According to the fourth aspect of the present invention, the first mounting piece side and the second mounting piece side are integrated by the connecting plate and become more rigid, so that the main plate portion can be hardly inclined to the duct side.

According to the fifth aspect of the present invention, the seal member having lubricity is provided on at least one of the inner surface of the main plate portion and the side surface of the main body frame facing the inner surface of the main plate portion in the duct connection adapter. This makes it easier to insert the body frame into the opening while providing the seal member.

According to the sixth aspect of the present invention, since the independent foaming sealing member is provided, the work for inserting the main body frame into the opening can be easily performed, and the continuous foaming sealing member is provided. Sealability can be obtained.

According to the seventh aspect of the present invention, when the sealing member is provided on the side surface of the main body frame where the ventilation hole is provided, the sealing member is provided from the side surface to the upper surface, so that the upper portion of the ventilation hole is sealed. There is an advantage that the sealing member can be hardly peeled off even when the area for attaching the member is small.

According to the eighth aspect of the present invention, the main plate is tilted in advance toward the center of the opening while the duct connection adapter is attached to the edge of the opening.
The main plate can be more reliably prevented from leaning toward the duct.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of the duct connection adapter from the inside.

FIG. 3 is a longitudinal sectional side view in the middle of installation.

FIG. 4 is a longitudinal sectional side view in an attached state.

FIG. 5 is a perspective view of a duct connection adapter showing a second embodiment of the present invention.

FIG. 6 is a view corresponding to FIG. 5, showing a third embodiment of the present invention.

FIG. 7 is a longitudinal sectional side view showing a fourth embodiment of the present invention, in which a duct connection adapter is attached to a wooden frame.

FIG. 8 is a longitudinal sectional side view showing an example of a conventional configuration.

FIG. 9 is a longitudinal sectional side view showing another example of the conventional configuration.

FIG. 10 is a longitudinal sectional side view showing a state where a ventilation device is arranged above a ceiling.

[Explanation of symbols]

21 is a ventilator, 22 is a room, 23 is behind the ceiling, 24 is a wooden frame (periphery of the opening), 25 is an opening, 26 is a ceiling plate,
27 is a duct connection adapter, 28 is a main plate portion, 29 is a connection port, 30 is a first mounting piece, 32 is a side plate portion, 33 is a second mounting piece, 34 is a sealing member, 35 is a duct, and 36 is a body frame. 36a is a side surface, 36b is a top surface, 37 is a vent, 38
Is a seal member, 39 is a flange portion, 42 is a fan device,
47 is a decorative panel, 50 is an extension, and 51 is a connecting plate.

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[Procedure amendment]

[Submission date] April 14, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0023

[Correction method] Change

[Correction contents]

The main body frame 36 constructed as described above is mounted on the main frame 36 shown in FIG.
As shown in the figure, the side surface 36a on the side where the vent 37 is provided
Of the main plate portion 28 of the duct connection adapter 27 so that
It is inserted from below into the opening 25 of the wooden frame 24 so that each flange 39 is applied to the four sides of the wooden frame 24 from below.
At this time, the first and second attachment pieces 30 and 33 on the duct connection adapter 27 side are attached to the wooden frame 2 by the flange portions 39 on three sides.
4 In this state, by attaching each flange portion 39 to the wooden frame 24 with a screw (not shown) or the like, the main body frame 36 is placed on the ceiling back 23 (see FIG. 4). In this case, the second mounting piece
33 and the flange 39 for holding the
Attach the mounting holes at the
Turn the second mounting piece 33 into a screw for mounting the flange portion 39
You may make it tighten together more.

Claims (8)

[Claims] 1. A method according to claim 1, further comprising:
A first mounting piece provided to correspond to one side of an edge of the opening provided in the ceiling, and adjacent to a side of the edge of the opening corresponding to the first mounting piece. A second mounting piece provided so as to correspond to the side of the opening, and attaching the first and second mounting pieces to the edge of the opening in a state where the first and second mounting pieces are applied to the edge of the opening from below. And
In the attached state, the connection port is arranged behind the ceiling, and a duct connection adapter to which a duct is connected to the connection port, a vent hole is provided on a side surface, and laterally protrudes to a peripheral edge of a lower end portion. A fan device is provided inside, and a fan device is disposed therein. The fan device is inserted into the opening from below, and the first and second mounting pieces are pressed by the flange portion from below onto the edge of the opening. A ventilation hole, wherein the flange portion is attached to an edge of the opening so that the ventilation hole is communicated with the connection port, and a main body frame disposed behind the ceiling is provided. apparatus. 2. The second mounting piece of the duct connection adapter is provided so as to correspond to two sides of the edge of the opening adjacent to the side corresponding to the first mounting piece. The ventilation device according to claim 1, characterized in that: 3. The ventilation device according to claim 1, wherein the second mounting piece of the duct connection adapter has an integral extension extending in a direction in which the first mounting piece protrudes. . 4. The ventilation device according to claim 1, wherein the first mounting piece and the second mounting piece are connected by a connecting plate. 5. A seal member having lubricity is provided on at least one of the inner surface of the main plate portion and the side surface of the main body frame facing the inner surface of the main plate portion in the duct connection adapter. The ventilation device according to 1. 6. An independent foam sealing member is provided on one of an inner surface of a main plate portion and a side surface of a main body frame facing the inner surface of the main plate portion in a duct connection adapter, and a continuous foam sealing member is provided on the other. The ventilation device according to claim 1, wherein 7. The ventilation device according to claim 1, wherein a sealing member is provided from a side surface provided with the vent to an upper surface in the main body frame. 8. The main body portion of the duct connection adapter is moved toward the center of the opening with respect to the vertical direction in a state where the main plate portion is attached to the edge of the opening and before the main body frame is inserted into the opening. The seal member is provided on at least one of an inner surface of the main plate portion and a side surface of the main body frame facing the inner surface of the main plate portion. Ventilation equipment.