JP2838927B2 - Ventilation equipment - 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 apparatus which is mounted on a ceiling surface or a wall surface facing a room (in this specification, these are collectively referred to as a wall surface), and which performs ventilation through a duct, in particular, the room. The present invention relates to a ventilation device having a decorative panel inside.

[0002]

2. Description of the Related Art A conventional ventilating apparatus of the type described above includes:
Basically, it consists of a member to be attached to the wall of the main body, a box-shaped main body with a built-in blower, and a decorative panel constituting an indoor side part for substantial air supply or exhaust.

[0003] For example, in Japanese Unexamined Utility Model Publication No. 63-153042, as shown in FIG.
Is a rectangular box with an open side facing the room,
A shutter frame 41 to which a duct can be connected is detachably attached to one surface located behind the wall surface. A mounting frame 42 for mounting the main body 40 is formed as a rectangular cylindrical frame body, is fitted into a mounting hole 43 formed in a wall facing the room, and is anchor bolt 44 suspended from a slab or the like of a building structure. Is held via the suspension frame 45. An opening located on the back side of the wall surface of the mounting frame 42 is formed with an inner flange projecting inward, and a lower flange of the main body 40 fitted into the opening is joined and fixed inside. The hanging frame 45 is formed in a gate shape,
It is screwed to the outside of the inner flange portion of the mounting frame 42 so as to straddle the main body 40, and is suspended and fixed to the anchor bolt 44 in the projection plane of the main body 40. The decorative panel 46 is provided substantially flush with the ceiling surface in the mounting frame 42.

[0004] As shown in the drawing, the above-described conventional ventilator includes a mounting frame 42 in a mounting hole 43 in a wall surface.
Is suspended and supported by an anchor bolt 44 via a suspension frame 45, the main body 40 from which the shutter frame 41 protruding from one side is removed is inserted into the mounting frame 42, and is fixed to the inner flange portion, and then mounted. A shutter frame 41 is mounted on the frame 40, and finally, the decorative panel 46 is mounted in the mounting frame 42 and suspended and supported on the main body 40 side.
Provided for ventilation.

There is also a ventilator as shown in FIG. 11 in which a hanging bracket 47 is integrated with a mounting frame 42. In this ventilator, a mounting frame 42 fitted in a mounting hole 43 in the ceiling is provided.
Is provided with an upper mounting flange located at a predetermined dimension above the ceiling, the main body 40 is fixed to the upper mounting flange of the mounting frame 42, and a decorative panel 46 for closing the indoor side opening of the main body 40 is substantially provided on the ceiling surface. It is devised to be flush.

[0006]

In the above-described conventional ventilation device, the projecting shutter frame 41 is attached to the mounting frame.
42, and the main body 40 was mounted on the mounting frame 42 .
It can not be attached to the mounting hole 43 in a state, the shutter
With the frame 41 removed from the mounting frame 42,
Into the mounting hole 43, and then attach the shutter frame 41 to the mounting frame.
Attached to 42, and finally the mounting operation must not not assembled body 40 to the mounting frame 42 contains a division <br/> die said to be troublesome.

A decorative panel 46 to be presented indoors has
The mounting frame 42 cannot be concealed and the appearance is poor, or even if it can be concealed, the plane area thereof is large, and the unity on the ceiling may be lost.

The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a ventilation device which is easy to mount and has a good appearance.

[0009]

A ventilating apparatus according to the present invention is fitted into a mounting hole formed in a wall facing a room, and has an inner flange portion projecting inward at an opening located on the back side of the wall. An opening located on the indoor side has a rectangular cylindrical mounting frame provided with an outer flange portion projecting outward, and the opening opened on the indoor side in the mounting frame faces the indoor side.
The mounting portion provided in the opening is connected to the inner frame of the mounting frame.
Fixed on the inside of the part,
The shutter frame is mounted in a protruding state so that it can be disengaged,
A rectangular box-shaped main body with a built-in blower,
Pass through the opening of the main unit with a gap that opens inward
A decorative panel that is closed in the wind and is placed almost flush with the wall
Against ventilator comprising comprises a, with slightly larger configuration than the diagonal dimension of the side of the body the dimensions of one side of the opening of the indoor side of the mounting frame, the fitting hanging on both sides of the intake with frame, mounting frame Are provided within the projection plane of the inner flange portion .

In another ventilating apparatus according to the present invention, in particular, the decorative panel is provided with a basket-like portion formed by bridging a rectangular backside frame and a front side frame which can be accommodated in a mounting frame with a gap therearound. wrapped outer Kagojo portion extending out from the back frame of Kagojo parts, decorative flanges that can conceal the mounting frame is formed on the periphery
Was integrally molded product comprising a outwardly arcuate surface formed skirt portion of the the front side frame of the cage-like portion fitted with a decorative plate, in which a gap is provided between the front frame of the skirt is there.

[0011] Other ventilator engagement Ru to the present invention, particularly outside of the inner skirt portion of the decorative panel of the mounting frame
Next, a paired engagement for temporarily fixing the decorative panel in a fixed position
This is provided with a holding projection .

[0012] Another ventilating device according to the present invention, in particular constitutes the mounting frame by a plurality of components, inside the outer peripheral surface
And a dowel protruding outwardly from the front end .

[0013]

The ventilation device according to the present invention is provided with a shutter frame protruding from one side of the peripheral side surface of the main body without being detached from the main body. Can be located
Adjusting and fixing the slanted posture completes the mounting of the main body. In particular, the mounting bracket used when hanging and fixing with anchor bolts provided on building slabs etc. is a mounting frame
The main body can be mounted without any operation such as expanding the mounting hole because it is contained in the projection plane of the inner flange part.Also, at the time of maintenance of the main body, the main body can be mounted with the mounting frame and shutter frame left from the indoor side. It can be removed.

In another ventilating apparatus according to the present invention, in particular, the entire mounting frame is concealed by a skirt portion having a decorative flange portion of the decorative panel, so that the appearance in the mounted state is improved, and the ventilation portion is formed by the skirt portion. The wrapped basket-like part can secure enough at a position where it is difficult to see , and the skirt part allows the gap to be smoothly
Can guide the flow .

[0015] Other ventilators that put to the invention, in particular the pair configuration of the decorative panel side and the mounting frame side engaging holding projections
To attach the decorative panel to the mounting frame.
Panels are temporarily fixed, making it easy to attach decorative panels
And screw it to the building structure from the side of the mounting frame.
Gap, there is a gap in the part due to the engagement holding projection
Since the decorative panel hits the head of the screw, remove the decorative panel.
Can not be attached or the decoration panel is forcibly attached
That can be avoided .

[0016] The other ventilation devices that put to the present invention, taken
The shutter frame is attached to the main body because the frame is divided
It can be assembled from the outside in a state where it is held .

[0017]

FIG. 1 is a longitudinal sectional front view showing a ventilating apparatus according to an embodiment of the present invention, FIG. 2 is a side view showing a basic mounting operation of the ventilating apparatus, and FIGS. It shows the installation state and functions.

The ventilator shown in FIG. 1 is mainly composed of a rectangular parallelepiped main body 1, a rectangular cylindrical mounting frame 2 for mounting the main body 1, and a decorative panel 3 which is a constituent member on the indoor side. ing.

The main body 1 has a ventilation function, and has a ventilation passage 4 formed therein for ventilation, a bell mouth 5 and a sound absorbing material 6 formed therein. The main body 1 has a shutter frame 7 serving also as a duct connection port on the rear side when FIG. 1 is a longitudinal front view .
As shown in FIG. 10, it is detachably attached, the drive motor of the blower 4 is attached to the top, and an outward flange 10 is formed in the opening 9 on the lower surface in the figure. The main body 1 does not include a projecting structure other than the shutter frame 7, the driving motor 8, and the flange portion 10.

The mounting frame 2 fits in the projection plane of the mounting hole 11 formed in the wall facing the room, and is formed in a rectangular cylindrical shape having a diameter substantially equal to the projection plane including the flange portion 10 of the main body 1, and one side thereof. Is slightly larger than a diagonal dimension L2 of one side surface of the main body 1 (see FIG. 2).
An opening 12 located on the back side of the wall surface of the mounting frame 2 is formed with an inner flange 13 extending inward, and an opening 14 located on the indoor side is formed with an outer flange 15 extending outward. ing. The opening 12 has a size that allows the portion of the main body 1 except for the flange portion 10 to be inserted, and the flange portion 10 of the main body 1 hits inside the inner flange portion 13 and is fixed with screws. The mounting frame 2 is, for example, 4
And a shutter frame 7 on the main body 1.
It can be assembled from the outside with it attached
You.

On both sides of the body of the mounting frame 2, two engagement holding projections 16 are formed integrally and project inwardly in an arc shape slightly toward the center toward the interior of the room. The engagement holding projection 16 is paired with an engagement holding projection 17 formed as a dowel on the decorative panel 3 side, which will be described later, and performs a function of temporarily fixing when the decorative panel 3 is mounted.

A mounting bracket 19 is detachably mounted on the mounting frame 2 with screws so as to be able to support a mounting place, for example, an anchor bolt 18 suspended from a slab such as a ceiling space. The hanging metal fittings 19 can be mounted two on each side of the body of the mounting frame 2, and the mounting holes 11 on the wall surface can be mounted.
The L3 dimension in FIG. 3 is set to be slightly smaller than the L4 dimension so that the entire body 1 is within a range excluding the projection plane of the main body 1 in the projection plane. In addition, mounting hole 1
Reference numeral 1 denotes an opening surrounded by the edge 20 when the edge 20 is provided as shown in FIG.

As shown in FIG. 4, the decorative panel 3 which forms a substantially indoor ventilation opening which opens to the indoor side, closes the opening 9 of the main body 1 and is arranged substantially flush with the wall surface, is made of plastic as shown in FIG. It is configured as a molded product. That is, a basket-like portion having a structure in which a rectangular backside frame 21 and a front side frame 22 that can be accommodated in the mounting frame 2 with a gap around them and a bridge structure 23 are connected, and extends from the backside frame 21 of the basket-like portion. And a skirt portion 25 surrounding the outside of the basket-like portion and having a decorative flange 24 formed around the outer edge to cover the outer flange portion 15 of the mounting frame 2. The front side frame 22 of the basket-like portion is formed in a frame shape, and the decorative board 26 is detachably mounted. At the four corners of the joint between the skirt portion 25 and the basket-like portion of the decorative panel 3, a screwing structure for screwing to the inner flange portion 13 of the mounting frame 2 is formed. The skirt portion 25 is formed in an outwardly facing arcuate surface, and has a structure for guiding an airflow to a gap 27 between the bridging structures 23 in the basket-like portion, which substantially serves as an indoor ventilation hole.

On the outer side of the skirt portion 25 of the decorative panel 3, an engagement holding projection 17 enabling a slight elastic deformation inward, which forms a pair with the engagement holding projection 16 provided on the mounting frame 2.
Is protruding as a dowel.

The ventilation function of the ventilation device having the above configuration is the same as that of the conventional type, and the room air sucked from the gap 27 of the decorative panel 3 is blown from the opening 12 of the main body 1 through the bell mouth 5 to the blower. 4 and is exhausted from the shutter frame 7 to the outside of the room through a duct outside the main body 1.

The features of the ventilating apparatus of this embodiment are in the mounting relationship, such as its easy installation and good appearance from the indoor side in the installed state. That is, a hanging fixing method, a field fixing method, or a steel frame fixing method is selected according to the mounting location. In the case of the suspension fixing method, first, as shown in FIGS. 3 and 5, the hanging bracket 19 is attached to the mounting frame 2, the main body 1 is sunk into the mounting frame 2 and fixed by screws, and then the whole is attached to the mounting hole 11 on the wall surface. As shown in FIG. 2, the main body 1 is positioned obliquely behind the wall surface, the posture is corrected, and the anchor bolt 18 is engaged with the hanging bracket 19 as shown in FIG. And fix it. Thereafter, the decorative panel 3 is inserted into the mounting frame 2, and the four corners are screwed to the inner flange portion 13 with screws from the indoor side and mounted. A wall structure member 28 such as a ceiling plate is stretched thereafter. As described above, in this ventilator, the mounting operation can be performed with the protruding shutter frame 7 attached, and even when the hanging metal 19 is attached, the hanging metal 19 projects the main body 1 in the projection plane of the mounting hole 11 on the wall surface. Since it is within the range excluding the plane, the main body 1 can be mounted without an operation such as expanding the mounting hole 11. This leads to an advantage that the decorative panel 3 can be designed to have an appropriate size that is cohesive and has a good appearance without increasing the size of the decorative panel 3.

When the decorative panel 3 is mounted, the engagement holding projection 1 is a pair of the decorative panel 3 and the mounting frame 2.
According to FIGS. 6 and 17, the engagement holding projection 17 that has passed over the engagement holding projection 16 of the mounting frame 2 by pushing the decorative panel 3 as shown in FIG. 6 is held at that position, so that it is not supported by hands or the like. Also, since the decorative panel 3 is temporarily fixed, its mounting becomes extremely easy. Also, as shown in FIG.
Is concealed, the appearance from the indoor side in the installed state is greatly improved, and the ventilation part is a skirt part 25.
Sufficiently secured in a position where it is difficult to see by the basket-shaped part wrapped by the air, and the flow of air becomes smooth.

FIGS. 2 and 8 show the manner of attachment to the ridge 20. The basic operation is the same as described above.
However, since the hanging metal 19 is not necessary, it is not attached. That is, as shown in FIG. 2, the outer flange portion 15 of the mounting frame 2 is inserted into the mounting hole 11 and fastened and fixed to the hole edge of the ridge 20 by screwing from the indoor side. The decorative panel 3 is the same as described above.

FIG. 9 shows a case where the beam is fixed to a beam structure 29 such as a lightweight steel frame. In such a case, a screw is screwed into the beam structure 29 from the body of the mounting frame 2 and fixed. This
Screws that can be fastened to steel plates without pilot holes
It is called a thread screw, from the inside of the mounting frame 2 to the outside
Beam structure 2 as it is screwed with the protruding dowel as a guide
Screw into 9. At this time, the engagement holding projections 16 and 17
, The decorative panel 3 hits the head of the screw, making it impossible to attach the decorative panel 3 or forcing the decorative panel 3 to be attached.

[0030]

As is apparent from the above description of the embodiment, according to the present invention, the mounting frame provided on the wall surface can be mounted in the mounting hole provided on the wall without removing the shutter frame projecting from one side of the peripheral side surface of the main body. By diagonally tilting it, it can be sunk and positioned on the back side of the wall. Adjusting the slanted posture and fixing it will complete the installation of the main body, making the mounting operation easy and providing it on the building slab etc. The mounting bracket used when suspending and fixing with an anchor bolt
Because it fits within the projection plane of the inner flange part , the main body can be mounted even after the construction of the ridge without the operation such as expanding the mounting hole, and the mounting frame and shutter from the indoor side during maintenance of the main body. The main body can be removed with the frame left, and the operation of removing the main body becomes easy.

According to another aspect of the present invention, the entire mounting frame is concealed by the skirt portion having the decorative flange portion of the decorative panel, the appearance in the mounted state is improved, and the ventilation portion is sufficiently located at a position where it is difficult to visually recognize the ventilation portion. Secured and skirted
The air flow can be smoothly guided to the gap depending on the minute.

[0032] According to another aspect of the present invention, taken with the decorative panel side
By the engagement holding projection of the pair configuration with the frame side, the decorative panel
The decorative panel is temporarily fixed when mounting on the mounting frame
This makes it easy to attach the decorative panel,
Engage when screwing from the side of the frame to the building structure
Since there is a gap in the part due to the holding projection, the screw head
The decorative panel hits the panel and the decorative panel cannot be installed.
Or the decorative panel is forcibly mounted, causing damage.
This can be avoided.

According to [0033] or other inventions, the mounting frame is divided
With the shutter frame attached to the body
Can be easily assembled .

[Brief description of the drawings]

FIG. 1 is a vertical sectional front view of a ventilating apparatus showing one embodiment of the present invention.

FIG. 2 is a side view of the ventilation device showing a basic mounting operation of the ventilation device of the present invention.

FIG. 3 is a front view showing an example of an attached state of the ventilation device of the present invention.

FIG. 4 is a perspective view showing a decorative panel of the ventilation device of the present invention alone.

FIG. 5 is an explanatory view of an operation of mounting the ventilation device of the present invention.

FIG. 6 is an enlarged sectional view of a main part showing a state of attachment of the ventilation device of the present invention.

FIG. 7 is a main part enlarged sectional view showing the flow of air in the decorative panel portion of the ventilation device of the present invention.

FIG. 8 is an enlarged sectional view of a main part showing a state of attachment of the ventilation device of the present invention.

FIG. 9 is an enlarged sectional view of a main part showing a state of attachment of the ventilation device of the present invention.

FIG. 10 is an explanatory view showing a mounting operation of a conventional ventilation device.

FIG. 11 is a cross-sectional view of a ventilation device showing another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Mounting frame 3 Decorative panel 4 Blower 7 Shutter frame 9 Opening 10 Flange 11 Mounting hole 12 Opening 13 Inner flange 14 Opening 15 Outer flange 16 Engagement holding projection 17 Engagement holding projection 19 Hanging fitting 21 Back frame 22 Front frame 23 Bridge structure 24 Decorative flange 25 Skirt 26 Decorative plate

Claims (4)

(57) [Claims] 1. An inner flange portion which is fitted into a mounting hole formed in a wall surface facing a room, and which protrudes inward at an opening portion located on the back surface side of the wall surface, and has an outer flange portion which protrudes inward at an opening portion located on the indoor side. A rectangular cylindrical mounting frame provided with an outer flange portion projecting from the mounting frame, an opening opened to the indoor side of the mounting frame facing the indoor side, and a mounting portion provided in the opening is formed on an inner flange of the mounting frame. The shutter frame is fixedly attached to the inside of the part, and a shutter frame is attached to one surface of the peripheral side surface so as to be detachably engageable,
Inside, a rectangular box-shaped main body in which a blower is incorporated, the opening of the main body is closed so that air can be ventilated in a state where a gap that opens to the indoor side is formed between the main body and the mounting frame, and is substantially flush with the wall surface. A ventilator including a decorative panel to be arranged, wherein a dimension of one side of an opening on the indoor side of the mounting frame is slightly larger than a diagonal dimension of a side surface of the main body, and both sides of the mounting frame. Attach the hanging bracket to the mounting frame
A ventilator, wherein the ventilator is provided within a projection plane of the inner flange portion . 2. A basket-like portion in which a decorative panel is formed by bridging a rectangular backside frame and a front side frame which can be accommodated in a mounting frame with a gap around the cage, and a basket extending from the backside frame of the basket-like portion. And a skirt portion formed on an outwardly arcuate surface constituting a decorative flange capable of concealing the mounting frame on the peripheral edge of the outer frame portion. Is equipped with a decorative board , and the skirt portion
The ventilation device according to claim 1, wherein a gap serving as an indoor ventilation port is provided between the ventilation device and the front frame . 3. A pair of engagement holding projections for temporarily fixing the decorative panel at a fixed position are provided on the inner side of the mounting frame and the outer side of the skirt portion of the decorative panel. Ventilation equipment. 4. The ventilation device according to claim 1, wherein the mounting frame is constituted by a plurality of parts, and a dowel projecting from the inside to the outside is provided on an outer peripheral surface thereof.