JPH06337142A - Filter for range hood - Google Patents

Abstract

PURPOSE:To provide a range hood filter which is capable of enhancing the collection efficiency of oil or dust and dirt and cleaning easily and satisfactorily with regards to a range hood filter which is installed above a gas ring, an electromagnetic cooking apparatus and a range or the like and which is used to collect and exhaust smoke or hot air generated during cooking time. CONSTITUTION:This invention relates to a filter 3 mounted near a suction port of a range hood where two porous plates are laid out at a specified spacing so that each of opening holes 6 and 7 may not be placed on top of another. When the filter is mounted to a range hood main body, this range hood filter is so designed that at least an indoor-side surface 8 of the porous plates positioned inside may be formed smoothly.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided above a kitchen appliance such as a gas stove, an electromagnetic cooker, and a stove, and is used for a stove hood that collects smoke and hot air generated during cooking and discharges the air outdoors. The present invention relates to a filter for a range hood.

[0002]

2. Description of the Related Art Heretofore, there has been known a plate-shaped filter formed by randomly knitting wires, inorganic fibers and the like, which is attached near an intake port formed in a range hood body and is generated during cooking. It is possible to remove oil, dust and the like contained in smoke, hot air and the like.

[0003]

However, in the above prior art, since the filter is single, the collection rate of oil and dust is poor, and the inside of the range hood, the exhaust fan, etc. are easily soiled. . Therefore, if it is attempted to increase the collection rate by making the filter finer, the clogging will occur immediately and it will not be suitable for practical use. In addition, even if you try to remove dirt attached to the filter, since it is formed by randomly knitting wires and inorganic fibers, it takes time to clean the filter and the dirt inside the wire is complicated. It cannot be dropped.

Therefore, the present invention has been invented to solve the above-mentioned problems in the prior art. That is, the problem is to improve the collection rate of oil, dust, etc., and to easily and sufficiently clean. It is to provide a filter for a range hood that can

[0005]

In the filter for the range hood of the present invention, the filter 3 is mounted near the intake port 2 of the range hood body 1, and the two perforated plates 4, 5 are The openings 6 and 7 are arranged at a predetermined interval so that they do not overlap each other, and when mounted on the range hood body 1, at least the inner surface 8 of the porous plate 5 located inside is smooth. It is characterized by being formed.

Further, it is desirable that the two perforated plates 4 and 5 are arranged via a spacer 9.

The edges of the two perforated plates 4 and 5 are
It is desirable that it be pivotally mounted in a freely rotatable manner.

Further, the spacer 9 can be formed by a punched piece of the aperture 6 of the porous plate 4.

Further, the pulling piece 1 of the perforated plate 5 is attached to the perforated plate 4.
5 can be provided.

[0010]

In the filter for the range hood of the present invention, since the openings 6 and 7 are arranged at a predetermined interval so as not to overlap each other, the openings 6 of the outer porous plate 4 are provided.
Smoke, hot air, etc. whose wind speed is accelerated when passing through the air collides with the indoor surface 8 of the inner porous plate 5, and at that time, oil, dust, etc. contained in the smoke, hot air, etc. It is accumulated and removed on the indoor surface 8 of. Moreover, since the flow toward the opening 6 side (that is, the flow substantially parallel to the perforated plate 4) occurs on the indoor side surface 8 of the outer perforated plate 4, almost no oil, dust, or the like is generated in the outer perforated plate 4. It is selectively accumulated on the inner surface 8 of the inner porous plate 5 without adhering. Also,
Since the inner surface 8 of the inner porous plate 5 is formed smooth, oil stains and the like on the surface can be wiped off with a rag or the like.

The two perforated plates 4 and 5 are spacers 9.
In the case where the perforated plates 4 and 5 are bent by the wind pressure when the exhaust fan operates, the two perforated plates 4,
The distance between the five can be kept at a predetermined distance.

When the end edges of the two perforated plates 4 and 5 are rotatably pivotally attached, the outer perforated plate 4 is rotated by the holder attached to the range hood body 1. Inner perforated plate 5
The indoor surface 8 of the above can be exposed.

Further, the spacer 9 can be easily manufactured by forming it by a punched piece of the aperture 6 of the porous plate 4.

If the punched out piece of the aperture 6 of the perforated plate 4 is used as the pulling piece 15 of the perforated plate 5, the space between the perforated plate 4 and the perforated plate 5 will not open even if dust is collected.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the embodiments shown in the drawings.

The filter for the range hood shown in FIGS. 1 to 3 is a filter 3 mounted in the vicinity of the intake port 2 of the range hood body 1 according to one embodiment of the present invention. 5 are arranged at predetermined intervals so that the respective openings 6 and 7 do not overlap, and when mounted on the range hood body 1, at least the indoor surface 8 of the perforated plate 5 located inside. Is characterized by being formed smoothly.

Of the two perforated plates 4 and 5, the perforated plate 5 located inside when attached to the range hood body 1
Is a substantially rectangular aluminum plate with a plate thickness of about 1 mm in which oval openings 7 are regularly formed over substantially the entire surface. A connecting piece 10 projecting inward is formed over the entire length in the width direction, and a receiving piece 11 located at the indoor side by bending the lower end edge into a substantially U-shaped cross section is provided at the lower end portion in the entire width direction. It is formed over. The slit 12 is formed in the connecting piece 10 over substantially the entire length. Spacers 9 having a predetermined height are provided on both sides of the lower end of the indoor surface 8. In addition,
As shown in FIG. 9, the spacer 9 may be formed by extruding a punched piece of the aperture 6 of the perforated plate 4 to the inside of the chamber.

The perforated plate 4 located outside when attached to the range hood body 1 is made of the same aluminum plate as the perforated plate 5 located inside, and the upper end has a bent upper edge. Then, an abutment piece 13 protruding toward the room side is formed over substantially the entire length in the width direction, and a locking piece located at the room side by bending the lower end edge into a substantially V-shaped cross section at the lower end portion. 14 is formed over the entire length in the width direction.

The spacer 9 may be formed by pushing out a punched piece of the aperture 6 of the perforated plate 4 to the inside of the chamber, as shown in FIG. By doing this, the spacer 9
The attached porous plate 4 can be easily formed by press molding of an aluminum plate or the like.

In this range hood filter, when used, the outer porous plate 4 is inserted into the slit 12 formed in the connecting piece 10 of the inner porous plate 5, and the abutting piece of the outer porous plate 4 is inserted. 13 is the connecting piece 1 of the inner perforated plate
0, and the locking piece 14 of the outer porous plate 4
Is elastically locked to the receiving piece 11 of the inner perforated plate 5 and integrally attached to the range hood body 1. The receiving piece 11 is used not only as the locking piece 14 for locking but also as an oil receiver.

Further, when they are integrated, from the measurement results shown in Tables 1 and 2, the overlap margin X between the inner porous plate 5 and the outer porous plate 4 is approximately 3 mm, and the inner porous plate 5
The positions of the openings 6, 7 of the respective porous plates 4, 5 and the height of the spacer 9 are designed so that the distance Y between the outer porous plate 4 and the outer porous plate 4 is approximately 4 mm. The values of the overlap margin X and the interval Y are determined by the shape of the openings 6 and 7, the exhaust fan 15
It will change depending on the ability and so on, and it is necessary to design it to be optimal.

[0022]

[Table 1]

[0023]

[Table 2]

As the range hood 16 to which the filter for the range hood is attached, for example, as shown in FIG. 2, a range hood main body 1 and an exhaust fan 15 provided in the range hood main body 1 are provided. .

The range hood main body 1 is formed by bending a decorative steel plate so that the lower end and the upper end are opened so that the lower end of the front plate 17 is located on the front side and above the lower end of the rear plate 18. It is formed in the shape of a box with a substantially trapezoidal cross section and spreads downward. A partition plate 21 is provided near the center for partitioning the upper blower chamber 19 and the lower exhaust chamber 20.

A blower fan 22 is provided in the blower chamber 19, and the front plate 17 to the lower plate 23 of the range hood body 1 are provided.
Is communicated with the air passage 24 formed on the inner surface side of the. Then, the blower fan 22 can guide smoke, hot air, or the like to the intake port 2 formed at the lower end of the range hood body 1 through the air blow passage 24, and efficiently collect the smoke, hot air, or the like. You can

The exhaust chamber 20 is provided with an exhaust unit 27 consisting of an inverted funnel-shaped exhaust hood 25 and an exhaust fan 15 provided in a small diameter portion 26 of the exhaust hood 25, and an end portion of the small diameter portion 26. An exhaust duct 28 that is opened to the outside through the blower chamber 19 is connected. The filter 3 is attached to the lower end of the exhaust unit 27.

In addition, in the range hood 16,
Since smoke, hot air, and the like are discharged to the outside through the exhaust unit 27 and the exhaust duct 28, the inside of the range hood body 1 is hardly contaminated with oil or dust, and only the filter 3 and the exhaust unit 27 can be removed. The range hood 16 can be kept relatively clean only by cleaning.

The filter for the range hood of the present invention may be the one shown in FIG. That is, the filter for the range hood of this embodiment is one of the two perforated plates 4 and 5 that is located outside when the range hood body 1 is attached.
The ribs 30 protruding to the outdoor surface 29 on the periphery of the opening 6 of
Is formed, and smoke, hot air, or the like that has passed through the openings 6 of the outer porous plate 4 can more efficiently collide with the indoor surface 8 of the inner porous plate 5.

The filter for the range hood of the present invention may be any one of the embodiments shown in FIGS. 5 to 7. That is, in the filter for the range hood of this embodiment, the edges of the two porous plates 4 and 5 are
It is rotatably and pivotally attached.

Of the two perforated plates 4 and 5, the perforated plate 5 located inside when attached to the range hood body 1
Is made of a substantially rectangular decorative steel plate in which circular openings 7 are regularly formed over substantially the entire surface. One side facing the rotation base end portion 31 has an end edge with a cross section of approximately U. An engaged portion 32 that is bent in a letter shape and is located on the indoor side is formed near the center.

The perforated plate 4 located outside when attached to the range hood main body 1 is made of the same decorative steel plate as the perforated plate 5 located inside, and has one side facing the rotation base end 31. In addition, the engaging portion 33 located on the outdoor side by bending the edge into a substantially S-shaped cross section has the engaged portion 3 of the porous plate 5 inside.
It is formed near the center so as to correspond to 2.

In use of this range hood filter, the engaging portion 33 of the outer porous plate 4 is elastically engaged with the outer surface side of the engaged portion 32 of the inner porous plate 5 during use. . Further, since only the inner perforated plate 5 is attached to the range hood body 1 with screws or the like, the outer perforated plate 4 is rotated to remove the inner perforated plate 4 without removing the filter 3 from the range hood body 1. The indoor surface 8 of the plate 5 can be easily cleaned.

If a pulling piece 15 as shown in FIG. 9 is provided on the inner surface of the perforated plate 4, the pulling piece 15 as shown in FIG.
Engages with the aperture 7 of the perforated plate 5, and due to wind pressure, dust volume, etc.,
Opening between the perforated plates 4 and 5 can be prevented. This maintains the capacity of the filter for this range hood.

[0035]

As described above, in the filter for the range hood of the present invention, the smoke or hot air whose wind speed is accelerated when passing through the openings 6 of the outer porous plate 4 has the inner porous plate 5 inside.
Since the oil and dust contained in smoke, hot air, and the like are accumulated and removed on the indoor surface 8 of the inner porous plate 5 at that time, the filter becomes more likely to be clogged. The collection rate can be improved without making the third eye smaller. Moreover, oil and dust hardly adhere to the outer porous plate 4 and are selectively accumulated on the indoor surface 8 of the inner porous plate 5, and the indoor surface 8 of the inner porous plate 5 is Since it is formed to be smooth, oil stains and the like on the indoor side surface 8 of the inner porous plate 5 can be wiped off with a rag or the like, and can be easily and sufficiently cleaned.

The two porous plates 4 and 5 are spacers 9.
If the perforated plates 4 and 5 are bent due to wind pressure when the exhaust fan 15 is operated, the distance between the two perforated plates 4 and 5 can be maintained at a predetermined distance. Because you can
The distance between the two perforated plates 4 and 5 is kept at an optimum distance for collecting oil, dust and the like, so that the collecting function can be sufficiently exerted.

When the end edges of the two perforated plates 4 and 5 are rotatably pivotally attached, the outer perforated plate 4 is rotated by the holder attached to the range hood body 1. Inner perforated plate 5
Since the indoor surface 8 can be exposed, cleaning can be easily performed without removing the filter 3 from the range hood body 1.

Further, the spacer 9 can be easily manufactured by forming it by a punched piece of the aperture 6 of the porous plate 4.

Further, the attracting piece 1 of the perforated plate 5 is attached to the perforated plate 4.
By providing 5, the gap between the perforated plates 4 and 5 does not open even if oil stains, dust are accumulated, or wind pressure is applied. As a result, constant exhaust performance and oil removal performance can always be maintained.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a filter for a range hood which is an embodiment of the present invention.

2 is a schematic cross-sectional view showing a range hood to which the filter for the range hood of FIG. 1 is attached.

FIG. 3 is a cross-sectional view of an essential part of the embodiment shown in FIG.

FIG. 4 is a sectional view of an essential part showing a filter for a range hood which is another embodiment of the present invention.

FIG. 5 is a perspective view showing a filter for a range hood, which is another embodiment of the present invention.

FIG. 6 is a side view of a main part of FIG.

FIG. 7 is a schematic cross-sectional view showing a range hood to which the filter for the range hood of FIG. 5 is attached.

FIG. 8 is a perspective view showing a filter for a range hood which is another embodiment of the present invention.

FIG. 9 is a perspective view showing a filter for a range hood which is another embodiment of the present invention.

FIG. 10 is a cross-sectional view of essential parts showing a usage state of FIG. 9.

[Explanation of symbols]

 1 Range Hood Main Body 2 Intake Port 3 Filter 4 Perforated Plate 5 Perforated Plate 6 Opening Hole 7 Opening Hole 8 Indoor Side Surface 9 Spacer 15 Pulling Piece

Claims (5)

[Claims] 1. A filter 3 mounted in the vicinity of an intake port 2 of a range hood body 1, which comprises two perforated plates 4, 5.
However, the openings 6 and 7 are arranged at a predetermined interval so as not to overlap each other, and the range hood body 1
A filter for a range hood, wherein the inner surface 8 of the perforated plate 5 located at the inner side is formed smooth when mounted on the. 2. The filter for the range hood according to claim 1, wherein the two porous plates 4 and 5 are arranged with a spacer 9 interposed therebetween. 3. The filter for a range hood according to claim 1, wherein the two perforated plates 4 and 5 are rotatably pivoted at their edges. 4. The filter for the range hood according to claim 2, wherein the punched pieces of the apertures 6 of the perforated plate 4 serve as spacers 9. 5. The filter for a range hood according to claim 1, wherein the perforated plate 4 is provided with a pulling piece 15 of the perforated plate 5.