JPH09318121A - Range hood fan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure a wide space for a hanging rack and achieve an excellent advantage in the countermeasure for fire prevention. SOLUTION: An opening for ventilation is formed based on an index unit 21, provided at the left side part of a ceiling plate 11 in a hood 1 in a case when the hood 1 is a left side wall (partitioning) neighboring type while the opening for ventilation is formed based on the index part, provided at the right side part of the ceiling plate in the hood in a case when the hood is a right side wall (partitioning) neighboring type. A fan unit 2 is connected so as to be communicated with the opening for ventilation while the hood 1, provided with the fan unit 2, is installed at a height just below a hanging rack so as to be neighbored to the wall (partitioning). The fan unit 2 is arranged so as to be biased to one side of the hood 1 whereby a space for the hanging rack is secured beside the fan unit 2 above the hood 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a range hood fan, and more particularly to a range hood fan installed adjacent to a wall (partition or the like) made of a combustible material.

[0002]

2. Description of the Related Art A range hood fan is often installed adjacent to a wall (partition wall) 100 as shown in FIG. 7, but when the wall 100 is made of a flammable material,
A cooking heater B such as a stove is attached to the wall 100 at 15c.
There is a fire regulation that requires them to be separated by more than m. At this time, the range hood fan A ′ installed right above the cooking heater B and the wall 100 thereof have a very narrow width and are difficult to use, so they are used as a dead space or as a narrow drawer 101. If the hanging cabinet 400 and the drawer 101 are made of a combustible material, the noncombustible material 7 is interposed therebetween, and the lower surface of the hanging cabinet 400 and the drawer 101 facing the cooking heater B are also treated with the noncombustible material 7. It is prescribed to do.

[0003]

By the way, for example, the width dimension of the kitchen is 270 cm, and the width dimension 6 of the cooking heater B is 6.
0 cm, the width range of the corresponding range hood fan A'is 6
When set to 0 cm, 270 cm- (60 cm + 15c
m) = Only a space for a hanging cabinet having a width of 195 cm can be secured, which is not preferable for securing a large storage space.

The present invention has been made in view of the conventional circumstances, and an object of the present invention is to provide a range hood fan which can secure a large hanging shelf space and has an excellent advantage in terms of fire prevention. is there.

[0005]

[Means for Solving the Problems] The technical means taken to achieve the above-mentioned object is, in claim 1, that the lower surface is opened with a flat area obtained by adding a predetermined left-right dimension from the end of the cooking heater. Forming a downward box-shaped thin hood, providing an operation part on the front of the hood, and forming ventilation openings on either the left or right side based on the indicator parts provided on the left and right parts of the top plate of the hood Then, on the top plate of the hood, a blower unit having a filter and a blower that communicates with an exhaust duct arranged in the building is connected in communication with the ventilation opening, and one side of the blower unit is connected to the hood. The idea is that the fan unit is placed close to one side of the hood so that it is flush with the one side surface on the left side or the right side, and a space for the hanging cabinet is secured between the other side of the fan unit and the hood. And A second aspect of the invention is summarized in that the index portion according to the first aspect is a half cut. Further, claim 3
The gist is that the filter according to claim 1 is detachably supported from the inside of the hood to the blower unit through the ventilation opening.

According to the above technical means, the following effects are obtained. (Claim 1) In the case of the left side wall (partition) adjacent type, in the case of the right side wall (partition) adjacent type, in the hood in the case of the right side wall (partition) adjacent type A ventilation opening is formed based on the index part provided on the right side of the top plate, and a blower unit is connected to the ventilation opening to connect the hood with the blower unit to the wall (partition). Adjacent to each other and installed below the hanging cabinet level. As a result, the blower unit is disposed close to one side of the hood, and a space used for the hanging cabinet is secured above the hood on the side of the blower unit. Further, since the hood is formed to have a flat area with a predetermined horizontal dimension from the end of the cooking heater,
A metal cover is installed on the cooking heater over a wider area than the cooking heater, and this serves as a fire wall that protects the upper cabinet from the cooking heater. (Claim 2) At the installation site, the ventilation opening can be easily opened according to the type on the left side wall (partition) and the type on the right side wall (partition). (Claim 3) The filter is replaced from inside the hood.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. 1 to 7 show a range hood fan A according to this embodiment.

This range hood fan A is composed of a downwardly thin box-shaped hood 1 having an open lower surface, and a blower unit 2 connected on a top plate 11 thereof.

The hood 1 is formed in the shape of a thin rectangular box in plan view having a flat area obtained by adding the horizontal dimension X (15 cm) from the end of the cooking heater B. In the portion, there are indicator portions 21 and 21 for forming the ventilation openings 31 and 31, and the wall 100 adjacent to the indicator portion 21 is a left side wall,
A ventilation opening 31 can be opened on the left side or the right side of the hood 1 at the construction site depending on whether the right side wall. The index portion 21 is half-cut in the present embodiment, and the ventilation opening 31 can be easily opened at the installation site.

Further, on the front surface of the hood 1, there is provided an operation section 3 for operating a blower 12 incorporated in a blower unit 2 which will be described later and for controlling the number of revolutions.

The blower unit 2 includes a blower box 22,
Filter box 32, blower 12, filter 42, blower 12
And an adapter that connects the exhaust duct 4 installed in the building
It has 52 mag.

As shown in FIGS. 2 and 3, the blower 12 is a double-sided suction type in which a sirocco fan 12c is housed in a fan casing 12a having a volute shape and suction ports 12b formed on both sides. One of the suction ports 12
The drive motor is mounted on a mounting seat 12d provided on the b, and the drive motor shaft 12e 'has a fan casing 12a.
It is connected to the sirocco fan 12c in a.

Blower box 22 incorporating the blower 12
As shown in FIGS. 2 and 3, has an inner hollow rectangular shape in which an opening 22b is formed on the front surface while leaving an inwardly bent flange portion 22a having a desired width dimension, and an exhaust port 22c is formed on the upper surface.
The blower 12 is screwed to the fan casing 12a in a suspended manner by connecting the discharge portion 12f of the fan casing 12a to the exhaust port 22c.

As shown in FIG. 2, the filter box 32 has a fan shape in a side view, and an opening 32b is formed on the rear surface and the lower surface of the filter box 32 leaving an inwardly bent flange portion 32a having a desired width. The folding flange portion 32a is screwed to the inner folding flange portion 22a of the front opening 22b of the blower box 22,
It is connected in communication with the blower box 22.

The filter box 32 is provided with a filter 42 diagonally traversing an intermediate position inside.

The blower unit 2 in which the filter box 32 and the blower box 22 are connected to each other has a structure in which the range hood fan A has an opening 32b on the lower surface of the filter box 32 depending on whether the range hood fan A is adjacent to the left side wall or adjacent to the right side wall. The inwardly bent flange portion 32a is screwed to the top plate 11 of the hood 1 so as to communicate with the left or right ventilation opening 31, and the blower box 22 is similarly screwed to the top plate 11 of the hood 1. . As a result, the blower unit 2 is arranged so that its one side surface is brought close to one side of the hood 1 so as to be flush with the left or right side surface of the hood 1.

The filter 42, as shown in FIG.
b, upper and lower rails of the peripheral rail frame 42a including the lower rail 42c and the left and right rails 42d.
The support grooves 42b 'and 42c' of 42b and 42c are supported so as to be vertically slidable. In detail, the lower end and the upper end are normally supported by the support grooves 42b 'and 42c' of the upper bar 42b and the lower bar 42c, and the grip part 42f protruding from the lower part of the hood 1 facing the ventilation opening 31 is provided. When you grasp and lift up,
When the lower end of the filter 42 is raised by the play between the bottom of the groove secured in the support groove 42b 'of the upper bar 42b and the upper end of the filter 42, the lower end of the filter 42 is automatically moved from the support groove 42c' of the lower bar 42c. It comes off and can be easily removed from the inside of the hood 1.

The adapter 52 is connected to the exhaust duct 4 provided on the left side wall and the right side wall (first adapter 52a).
(Referred to as "second adapter 52b") connected to an exhaust duct (not shown) provided on the ceiling wall.
As shown in FIGS. 2 and 3, the first adapter 52a has a flange 52 that is bent outward at a lower end opening portion of a case 52c having a fan shape in side view similar to the filter box 32.
c ′ is screwed to the top surface of the fan casing 12a so as to communicate with the exhaust port 22c, and a connecting plate 52e for connecting the exhaust duct 4 to the inside is connected to the closing plate 52d on the side end surface. Has been done. Also, the second adapter 52
In b, as shown in FIG. 6, a connecting cylinder 52g connected to the exhaust duct is integrally projected from the central portion of the mounting substrate 52f,
Similarly, the mounting board 52f is similarly screwed to the top surface of the fan casing 12a so that the exhaust port 22c and the connecting cylinder 52g communicate with each other.

Reference numeral 5 is a housing recess for housing the relay cord 300, which is provided in the top plate 11 of the hood 1 in a T-shape in plan view. The cord 30 from the blower 12 in the accommodation recess 5
0a and the cord from the connector 300b at the tip and the operation unit 3
The connector 300d and the connector 300d at the tip of the connector 300c can be housed so as not to project upward.
After connecting 0b and 300d to each other, the cord cover 6 covers them.

Next, the mounting of the range hood fan A in this embodiment will be described. When the range hood fan A is installed adjacent to the left side wall as shown in FIG. 1, the left half cut of the hood 1 is performed. The ventilation opening 31 is opened at the installation site based on the (index portion), and the ventilation opening 31 is communicated with the intake port 32b on the lower surface to screw the blower unit 2 to the top plate 11 of the hood 1. Then, this hood 1 is set at a level slightly lower than the level 400 of the hanging cabinet. At that time, a hanging made of a flammable material within a size range of 1 mm in height (Y) defined by regulations of the Fire Service Act within an area range including the left-right dimension (X) of 15 cm from the end of the cooking heater B. When the closet 400 or wall 100 is installed, it complies with the regulations of the Fire Service Act that a non-combustible material 7 of a predetermined thickness must be interposed between the hanging closet 400 or wall 100 and the range hood fan A. As described above, the exhaust duct 4 is connected to the first adapter 52a with the noncombustible material 7 interposed at a predetermined position. At this time, as described above, since the one side surface is arranged close to one side of the hood 1 so that the one side surface is flush with the left side surface of the hood 1, the other side surface of the blower unit 2 and the hood 1 are arranged. A space C for the hanging cabinet can be secured between them.

Further, when cleaning the filter 42, the filter 42 passes through the ventilation opening 31 and the space 1'under the hood.
Filter box 32 from the ventilation opening 31 to face the
It is possible to disengage it from the hood lower space 1'by putting a hand inside, grasping the grip 42f, raising the filter 42 and removing the lower end from the support groove 42c 'of the lower bar 42c.

Although not shown, a curtain plate for closing the front surface of the blower unit 2 may be optionally provided upright from the top plate 11 of the hood 1. With such a structure, the interior of the blower unit 2 and the exhaust duct 4 can be provided. Can be prevented from being exposed to the interior and the interior quality can be improved.

Even when the range hood fan A is installed adjacent to the right side wall, there is no difference except that the opening position of the ventilation opening 31 and the orientation of the adapter are different, and a detailed description thereof will be omitted.

(Embodiment) In the present embodiment, the blower box 22 is a double-sided suction type sirocco fan 12c because the fan casing 12a has a thickness of 15 cm and the discharge portion 12f of the fan casing 12a is about 15 cm square. Even if a space for suction is secured between the fan casing 12a and both sides of the fan casing 12a, the size can be reduced to about the full width W (30 cm). Therefore, when the total width of the kitchen is 270 cm, the storage space can be expanded to 270 cm-30 cm = 240 cm. The width of the hood (Z) is 90 cm with respect to the cooking heater width B (60 cm).
The hood 1 serves as a protective wall for the hanging cabinet 400.

[0025]

As described above, the present invention has the following advantages. (Claim 1) In a range hood fan installed adjacent to a wall (partition), at the left and right parts of a top plate of a downward facing thin box-shaped hood having a lower surface opened corresponding to the right side wall and the left side wall. Based on the provided indicator part, form a ventilation opening on either the left or right side, connect the blower unit to the ventilation opening,
Since the hood is installed adjacent to the wall (partition) and below the level of the hanging cabinet, the blower unit is arranged near one side of the hood so as to nestle on the right side wall and the left side wall. Therefore, a space for the hanging cabinet can be secured between the other side surface of the blower unit and the hood, and the storage space can be expanded accordingly. Moreover, since the hood is formed in a downward direction with a flat area that is the heating heater for cooking plus a certain horizontal dimension, the hood serves as a metal cover to cook the hanging cabinet or wall above. It functions as a protective wall that protects from heat and provides excellent fire protection. In addition, even when non-combustible materials are also interposed between the range hood fan and the hanging cabinet or wall, the contact area with the hanging cabinet or wall is smaller than in the past, and a small amount of intervening non-combustible material is required, resulting in low cost. It is possible to provide. (Claim 2) Further, the work of opening the ventilation opening can be easily performed according to the situation of the installation site, and the installation work of the range hood fan can be simplified. (Claim 3) Moreover, the filter can be easily disengaged and cleaned from the inside of the hood, and the usability is greatly improved.

[Brief description of drawings]

FIG. 1 is a front view showing a use state.

FIG. 2 is an enlarged sectional view taken along line (2)-(2) of FIG.

FIG. 3 is a sectional view taken along line (3)-(3) of FIG.

FIG. 4 is a perspective view of a hood.

FIG. 5 is a perspective view of a range hood fan.

FIG. 6 is an exploded perspective view of a hood, a blower unit, an adapter and the like.

FIG. 7 is a front view showing a usage state of a conventional range hood fan.

[Explanation of symbols]

A: Range hood fan 1: Hood 3: Operation part 11: Top plate 21: Indicator part 31: Ventilation opening 42: Filter 4: Exhaust duct 2: Blower unit 400: Hanging cabinet B: Cooking heater 52: Adapter 42 : Filter 32: Filter box 12: Blower 22: Blower box 100: Wall C: Space for hanging cabinet

Claims (3)

[Claims] 1. A downward-looking box-shaped thin hood having an open lower surface is formed with a flat area obtained by adding a predetermined horizontal dimension from the end of the cooking heater, and an operating portion is provided on the front surface of the hood.
A blower that forms a ventilation opening on either the left or right side based on the indicator portions provided on the left and right portions of the top plate of the hood, and connects the filter on the top plate of the hood and the exhaust duct piped to the building A blower unit having a built-in and is connected to the ventilation opening so as to connect the blower unit to one side of the hood so that one side surface of the blower unit is flush with the left side or the right side surface of the hood. The range hood fan, which is characterized in that it is arranged to secure a space for a hanging cabinet between the other side of the blower unit and the hood. 2. The range hood fan according to claim 1, wherein the indicator portion is a half cut. 3. The range hood fan according to claim 1, wherein the filter is supported on the blower unit so as to be detachable from the hood through a ventilation opening.