JP2000015028A - Filter of food box and its auxiliary member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To restrain a stain of a food box and sticking of an odor thereto caused by oil fumes by enabling a filter to be mounted to the food box by a method wherein a peripheral edge filter frame to which a filter fiber is fitted is placed on an oil reservoir, and attached to the food box. SOLUTION: For a food box H1, a filter frame 1 of a filter F1 to be fitted thereto forms a rectangular frame wherein its outer shape (peripheral edge) has a size between an outer periphery of an oil reservoir 12 and its inner periphery, and two pieces of filter frames are placed in an array. Each filter frame 1 form a L-character in a section of each side, and a mat-shaped filter fiber 2 of an outer shape along an inside of the L-character and a thickness to be contained in a height of the L-character, is spreaded inside the L-character. The filter fiber 2 is spreaded on a rear surface 1a of the filter frame 1, a thin frame 3 formed by a wire or the like is superimposed thereon, and the thin frame 3 is pinched by fitting to an engaging piece 1c provided to the filter frame 1. Thereby, the thin frame 3 is fixed to the filter frame 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter for a food box installed in a kitchen or the like so as to cover a ventilation fan and for suppressing the spread of oily smoke and odor from a range.

[0002]

2. Description of the Related Art In a kitchen, a ventilation fan is provided on a wall in the vicinity of a range in order to discharge oily smoke and odor generated in a range to the outside of the kitchen. Since the spread cannot be prevented efficiently, a newly-built home or the like adopts a mode in which this ventilation fan is installed with a range hood built in the hood on a wall.

[0003] However, in a home where only a ventilation fan is already installed alone, installing this range hood not only wastes the ventilation fan, but also works to open a wall suitable for the ventilation fan of the range hood. Must be done, and the labor and cost involved are also great.

[0004] Therefore, a food box is provided in which the same function as the range hood is achieved by covering the ventilation fan and attaching it to a wall while leaving the existing ventilation fan without installing a new range hood. FIG. 15 shows an example of a general food box H.

[0005] This ventilator P forms a box with an opening on the lower surface and a portion corresponding to the protruding portion of the ventilation fan P into the room, and the opening on the lower surface is a collection port 11 for oil smoke and odor. The surface on the front side when attached to the wall W forms a sloping sloping surface, and the collection opening 11 covers the range R widely, so that the oil smoke and odor immediately after being generated in the range R can be widened. It can be collected all over. Oil smoke and odor flowing into the food box H from the collection port 11 are guided to the inner surface of the side wall of the food box H, move toward the ventilation fan P, and guided outside by the ventilation fan P. A gutter-shaped oil reservoir 12 is provided on the inner periphery of the collection port 11, and is attached to the inner surface of the side wall so as to receive oil moving downward along the side wall. This food box H is formed of a steel plate.

As described above, by attaching the simple box-shaped food box H, the dirt around the range can be suppressed with a little labor and cost while leaving the existing ventilation fan P.

[0007]

However, the food box H as described above has not been equipped with a filter so far. Therefore, the inner surfaces of the ventilation fan P and the food box H themselves are very dirty, and in particular, the contamination of the ventilation fan P leads to a decrease in ventilation efficiency.

Accordingly, an object of the present invention is to provide a filter to be attached to a food box.

[0009]

Means for Solving the Problems In order to solve the above problems, the invention according to claim 1 forms a box body for covering a ventilation fan for discharging oily smoke and odor generated in a range outside a room, The food box is provided with a gutter-shaped oil reservoir along the inner periphery of the edge of the collection port, and the bottom surface of the box body is opened to serve as a collection port for oil smoke and odor. A filter, in which a filter fiber is attached in a filter frame having a periphery along the oil reservoir, and the periphery of the filter frame is placed on the oil reservoir and attached to the food box, The invention according to claim 4 is a case in which the mouth shape of the collection port forms a rectangular bent surface rising obliquely upward from horizontal on the way from the wall side to the near side, and is inclined with the horizontal portion of the collection port. Each of the department It has a bendable rectangular filter frame formed by rotatably connecting two rectangular frames along a stop around a side corresponding to a boundary between a horizontal portion and an inclined portion, and a filter fiber is provided in each rectangular frame. With this configuration, the filter having the simple configuration can be easily mounted on the food box, and the dirt around the ventilation fan can be suppressed without trouble and at low cost.

According to a second aspect of the present invention, in the first aspect of the present invention, the shape of the collection port forms a rectangular flat surface, and the filter frame mounted on the oil reservoir is along the oil reservoir. A truncated pyramid having a bottom shape is formed, and filter fibers are attached to the upper surface and each side surface of the truncated pyramid, so that the oil smoke sucked from the collection port is formed. Smell and smell tend to converge in the direction of the ventilation fan along the inclined surface of the truncated pyramid, and the inside of the food box is less likely to become dirty.

According to a third aspect of the present invention, in the first aspect of the present invention, when the mouth shape of the collection port forms a rectangular plane and the filter frame mounted on the oil reservoir forms a rectangular plane. The distance between opposite sides of the filter frame is variable, and the invention according to claim 5 is such that, in the invention according to claim 4, the distance between opposite sides of each rectangular frame is variable. Therefore, it is possible to immediately respond to collection ports of various sizes.

In addition, in addition to the above configurations, a configuration may be adopted in which the filter frame is provided with attachment / detachment means for the hood box (claim 6), so that the filter is securely and stably mounted. .

[0013] The invention according to claim 7 is that the mouth shape of the collection port forms a rectangular bent surface that rises from horizontal to diagonally upward on the way from the wall side to the near side, and is formed on the inner periphery of the edge of the collection port. A filter for a food box provided with a gutter-shaped oil reservoir along the bottom, wherein a bottom portion can be placed in an oil reservoir at a horizontal portion of the collection port, and a filter fiber is attached to each side surface and an upper surface. A mat-shaped filter fiber is continuously provided on a pyramid-shaped filter frame, and the inclined portion of the collection port is covered with the mat-shaped filter fiber. It was provided.

[0014] With this configuration, the surface of the filter fiber placed in the oil sump in the horizontal portion is inclined so as to converge to the side of the ventilation fan. Easy to be guided.

According to an eighth aspect of the present invention, there is provided a box for covering a ventilation fan for discharging oily smoke and odor generated in the range to the outside of the room, the box being projected from a wall above the range, and the lower surface of the box is opened. It is a collection opening for oil smoke and smell, and the mouth shape of the collection opening forms a rectangular bent surface that rises diagonally upward from horizontal on the way from the wall side to the front side, and the edge of the collection opening An auxiliary tool for independently mounting a filter made of a rectangular filter frame on each of the horizontal portion and the inclined portion of the bent surface of the food box provided with a gutter-shaped oil reservoir along the inner periphery of the portion. Then, one end of the two rods is rotatably connected so that the maximum leg opening angle becomes 180 °, and the two rods are opened by 180 ° to form one rod. With both ends of the body in place, the oil on both sides of the food box The filter is mounted in a pool, and one side of the filter frame of the filter is mounted on the rod body to mount the filter.

By using this auxiliary tool, a filter having a simple rectangular filter frame can be independently provided on each surface of the horizontal portion and the inclined portion of the collection port of the food box having the above-described shape. As we can attach, filter frame,
There is no need to prepare a filter having a complicated shape that matches the bent surface of the collection port.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 14 show an embodiment of the present invention, and the same parts as those of the conventional example are denoted by the same reference numerals and description thereof will be omitted. As the food box to which the filter of this embodiment is attached, two types having different shapes of the collection ports (hereinafter, first and second food boxes H ₁ , H ₁ ,
H ₂ hereinafter) include take, for each of the filter will be described.

[0018] (with the first hood box H ₁ filter to it) and the first hood box H ₁ referred to below, as shown in FIG. 1 (a), the collecting port 11 form a rectangle. H case when rectangular surface fitted with a hood box H ₁ to the wall, (see (b)) when facing horizontal also inclined
₁ ′ (see (c)), but in any case, the opening shape is still rectangular, and only the case where the opening faces a horizontal plane will be described here. The collection mouth 1
A gutter-shaped oil reservoir 12 as shown in FIG. 2 is provided along the inner periphery of the edge portion 1.

[0019] respect to the first hood box H ₁ having such a collecting port 11, the filter F ₁ attached to it
As shown in FIG. 3, the outer shape (peripheral edge) of the filter frame 1 is a rectangular frame having a size between the outer circumference and the inner circumference of the oil reservoir 12, and in this embodiment, two filter frames are juxtaposed. ing. Each filter frame 1 has an L-shaped cross section on each side, and a mat-shaped filter fiber 2 having a thickness that fits within the L-shape and the outer shape along the L-shape is laid. ing. As shown in FIG. 3 (b), the filter fiber 2 is laid on the back surface 1a of the filter frame 1 and a thin frame 3 made of wire or the like is superimposed thereon. Is fixed to the filter frame 1 by being inserted into and interposed between the locking pieces 1c provided in the filter frame 1.

Such a filter is used as a food box H ₁
To when mounting inserts from collecting port 11 in the form that along the short sides of the filter frame 1 in the longitudinal direction of the collecting port 11, collecting opening 11 in the hood box H ₁ and the filter frame 1 The short side and the long side are put on the oil sump 12 together. This completes the installation. The outer shape of the filter frame 1 is greater than the inner oil reservoir 12 filters F ₁ is not able to fall from the collecting port 11 is also horizontally offset.

Since the size of the frame is determined in the above filter F ₁ , the filter F ₁ can cope with only one size of the collection port 11. However, the filter F ₁ can cope with various sizes of the collection port 11. Can be made variable on each side of the filter frame 1.

For this purpose, as shown in FIG. 4, each side of the filter frame 1 is divided into two parts, an idiot hole 1d is provided near the end of the divided part, and a long hole 22d along the length direction is provided. Is attached to each of the filter frames 1.
The wingscrews 23 are inserted into the fool holes 1d and the long holes 22 from the front surface 1b side of the filter frame 1 and screwed and connected to the nut N on the back surface to constitute one side. The length of the side is changed by loosening the thumbscrew 23 and sliding each frame 1. When the length is determined, the band plate 21 and the filter frame 1 are sandwiched between the thumbscrew 23 and the nut N. Fix with. In FIG. 4, only the filter frame 1 is illustrated without the filter fiber 2 for the sake of simplicity.

As another method, though not shown,
There is also a method in which a round bar or a square bar that can be inserted into a round or square pipe and slidable by being inserted is formed as one side of the frame. In that case, as a fixing method when the length of the side is determined, a method of passing a thumb screw through a screw hole provided by burring on the outer surface of the pipe and pressing a round bar or square material with the tip of the thumb screw, There is a method in which a hole is provided in the round bar or square bar side, and the tip of the thumb screw is inserted there.

Next, with respect to the first hood box H _1, mentioned further take filters other shapes. This filter has a filter frame 1 as shown in FIGS.
However, a truncated pyramid-shaped frame 1 is provided, and a mat-shaped filter fiber 2 is attached to each side surface and upper surface of the truncated pyramid. If such a filter F ₂ and F _3, easy smoke and odor is introduced into the ventilating fan side along the wall of the filter fibers 2 of the inclined surface of the filter frame 1.

In this embodiment, the first food box H1 has a rectangular shape of the collection port 11 as a _first food box H1, but when considering the interior of a kitchen, it will be described in FIGS.
As shown in, but its mouth shaped is h ₂ and constitute the h ₁ and arc-shaped and constitute a trapezoidal conceivable world out that, even in this case, in the present invention, the filter F is the oil sump of the collecting port 11 12 so that the filter frame is
The outer shape may be adjusted to the shape of the trapezoid or arc.

In the case of a trapezoid, each side is a straight line. If the inclination angles are the same, a variable means for the length of the side is provided as in the case of the rectangle, so that the shape is It is possible to respond to different collection ports 11 immediately.

(Second Food Box H ₂ and Filter for It) The second food box H ₂ shown in FIG.
The collection port 11 has a rectangular shape that rises obliquely upward from horizontal while traveling from the wall side to the front side. This is a shape for widely collecting oily smoke and odor at the inclined surface on the front side.

The second having the collecting port 11 of such a form
As for the top receptacle H ₂ filter, first, of the first hood box H ₁ filter, the filter frame 1
Is rectangular (see FIG. 3B). In this case as well, the filter F is mounted on the oil reservoir 12, but since the collection port 11 rises upward on the way, the filter frame 1 is mounted as shown in FIG. Are placed only on the opposite sides in the front-rear direction, and are not placed on the opposite sides in the left-right direction.

[0029] As the filter of the second top receptacle H other against _two forms, as shown in FIG. 10, abutting the two rectangular frame 31, rotatably connected in a known hinge 32 'shown in FIG, The one 30 that can be placed in the oil reservoir 12 in such a manner that its connection side 32 is aligned with the boundary between the horizontal portion and the inclined portion of the collection port 11 will be described. The mat-shaped filter fibers 2 are mounted in each frame 31. In the case of the filter 30, the filter frame 31 extends along the entire circumference of the oil reservoir 12 due to the bent structure, and therefore, as shown in FIG.
_The filter frame 1 is placed only on the oil sump 12 before and after ₂ ,
The left and right inner surfaces are exposed, and the surfaces do not directly touch the oily smoke or odor, so that the inner surface of the food box H can be prevented from being contaminated by that amount.

Also for the filter 30, if the length of each frame 31 can be adjusted using the length adjustment mechanism described above for each frame 31, the size (shape) of the collection port 11 can be adjusted. immediately can be paired to a different food box H _2.

In addition, the food box H ₂ is provided with a rectangular filter frame as shown in FIG. 3 corresponding to each of the horizontal portion and the inclined portion of the collection port 11. In order to mount the filter, an auxiliary tool 70 as shown in FIG. 11 is stretched over the boundary between the horizontal portion and the inclined portion.

As shown in FIG. 11 (a), the auxiliary member 70 has two strips 7 each having a gutter-like shape 71a on one side in the width direction.
One end of each of the first and the first 71 is rotatably connected by a hinge 72 so that the maximum leg opening angle becomes 180 °. A long hole 73 having a predetermined length from the end edge is provided at the free end of the opposite side.

At the time of use, the collection port 11 of the food box H ₂ is folded in the folded state as shown in FIG.
Was inserted into the, as shown in FIG. 11 (b) and FIG. 12, top receptacle H ₂ internally two of the strip 71, 71
Is opened at 180 ° to form a single band 70, and the band 7
0 both ends of the placing on the top receptacle of H ₂ oil reservoir 12 of the side plates. At this time, a margin 13 for joining the inclined part side and the horizontal part side is provided at the boundary between the horizontal part and the inclined part.
Exists in the inside of the food box H ₂ , and the elongated hole 73 at the free end of the band 70 is for releasing the aligning margin 13. Avoid 13. In addition, when the margin 13 intersects with the elongated hole 73, the auxiliary tool 70 can be prevented from moving in the front-rear direction. Such guide 70, placed one side of the filter frame on the guide 70, mounting the filter F is placed opposite sides on the top receptacle of H ₂ oil reservoir 12.

[0034] As filter still another embodiment for the second top receptacle H _2, was employed such things 40 as shown in FIG. 13. This filter 40 has a truncated pyramid-shaped filter frame 41 whose bottom can be placed in the oil reservoir 12 in the horizontal portion of the collection port 11, and the bottom of the filter frame 41 is placed in the oil reservoir 12 in the horizontal portion. In this case, the mat-shaped filter fibers 2 are continuously provided from the side located on the near side, and the magnet 42 is provided at the edge of the filter fibers 2. In this case, mat-like filter fibers 2 are attached to each side and top surface of the truncated pyramid.

When mounting the filter 40, as shown in FIG. 13, the truncated pyramid 41 is placed on the oil reservoir 12 in the horizontal portion of the collection port 11, and the truncated pyramid 41 is The continuous frameless mat portion 2 ′ is connected to the edge magnet 42.
Then, it is attached to the front side edge of the collection port 11.

In such a filter 40, since the surface of the filter fiber 2 placed in the oil reservoir 12 in the horizontal portion is inclined so as to converge to the side of the ventilation fan, the oil smoke passing through that portion Is easily guided to the side of the ventilation fan, and the mat portion 2 ′ connected to the truncated pyramid portion 41 can form an arbitrary angle with respect to the horizontal plane.
Rise angle of the inclined portion can correspond to different second top receptacle of H _2.

A modification of the one shown in FIG. 13 is shown in FIG.
It is shown in FIG. 14, 51 and 61 are filter frames,
52 and 62 are mounting magnets.

[0038]

As described above, according to the present invention, a filter for a food box is invented. If the filter is mounted on the food box, it is possible to prevent the food box from being stained or smelled by oil smoke.

[Brief description of the drawings]

FIG. 1A is a perspective view, and FIGS. 1B and 1C are side sectional views of a first food box.

2 (a) is a plan view, and FIG. 2 (b) is an enlarged view of a main part of the oil box in a food box.

3A is a plan view showing the back surface of the filter of the embodiment attached to the first food box and the attached state thereof, and FIG. 3B is an exploded perspective view thereof.

FIG. 4A is a diagram of an application example of the embodiment in which a main part is shown in a perspective view, and FIG.

5A is a perspective view, and FIGS. 5B and 5C are perspective views, respectively.
FIG. 7 is a view of a filter of another embodiment of the first food box, showing an attached state in front and side views.

6A is a perspective view, and FIGS.
FIG. 7 is a view of a filter of another embodiment of the first food box, showing an attached state in front and side views.

FIGS. 7A, 7B, and 7C show other examples of the first food box in plan, front, and side cross sections, respectively.

FIGS. 8A, 8B, and 8C are perspective views, plan views, and side sectional views of other examples of the first food box, respectively.

FIGS. 9A and 9B are front and side views of a second food box, respectively, and FIG. 9C is a side cross-sectional view illustrating a state where the filter of the embodiment is mounted.

10 (a) and 10 (b) are views of another embodiment attached to a second hood box showing perspective views and the attached state, respectively.

FIG. 11 is a perspective view of the assisting tool, showing a state where it is bent in (a) and a state in which the legs are fully opened in (b).

FIG. 12 is a perspective view showing a state in which the auxiliary tool is mounted,
(B) shows a partial detail, and (c) shows a main part detail in a side sectional view.

FIG. 13 is a diagram showing another embodiment.

14 (a) to (c) show perspective views of a modification of FIG. 13;

FIG. 15 (a) is a front view, and FIG. 15 (b) is a side view of a general food box.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1, 31, 41, 51, 61 Filter frame 2, 2 'Filter fiber 3 Thin frame 11 Sampling port 12 Oil reservoir 21 Strip 22 Long hole 23 Thumb screw 42, 52, 62 Magnet 70 Auxiliary tool F, 30, 40 Filter H Food box H ₁ First food box H ₂ Second food box

Claims (8)

[Claims] 1. A box that covers a ventilation fan that discharges oil smoke and odor generated in a range to the outside of the room. The box is protruded from a wall above the range, and the lower surface of the box is opened to remove oil smoke and odor. A filter for a food box in which a collecting port is provided, and a gutter-shaped oil reservoir is provided along an inner periphery of an edge of the collecting port, and a filter fiber is mounted in a filter frame having a periphery along the oil reservoir. A filter for a food box, wherein the periphery of the filter frame is placed on the oil reservoir and attached to the food box. 2. The shape of the collection port is a rectangular plane, and the filter frame mounted on the oil reservoir forms a truncated pyramid having a bottom surface shaped along the oil reservoir. The filter for a food box according to claim 1, wherein filter fibers are attached to an upper surface and each side surface of the pyramid. 3. When the mouth shape of the collection port forms a rectangular plane, and the filter frame mounted on the oil reservoir forms a rectangular plane, the distance between opposite sides of the filter frame is variable. The filter for a food box according to claim 1, wherein 4. A case in which the mouth shape of the collection port forms a rectangular bent surface that rises obliquely upward from horizontal on the way from the wall side to the front side, and wherein a horizontal portion and an inclined portion of the collection port are formed. Each of the rectangular frames has a bendable rectangular filter frame formed by rotatably connecting two rectangular frames along each oil pool around a side corresponding to a boundary between the horizontal portion and the inclined portion. The filter for a food box according to claim 1, wherein a filter fiber is attached. 5. The filter for a food box according to claim 4, wherein an interval between opposite sides of each rectangular frame is variable. 6. A filter for a food box according to claim 1, wherein said filter frame is provided with means for attaching and detaching said food box. 7. A box that covers a ventilation fan that discharges oil smoke and odor generated in the range to the outside of the room, protrudes from a wall above the range, and the lower surface of the box is opened to remove oil smoke and odor. The collection opening has a rectangular bent surface that rises diagonally upward from horizontal on the way from the wall side to the front side, and has a gutter along the inner circumference of the edge of the collection opening. A filter of a food box provided with an oil reservoir having a truncated pyramid shape in which a bottom portion can be placed in an oil reservoir at a horizontal portion of the collection port, and a filter fiber is attached to each side surface and an upper surface. A mat-shaped filter fiber is continuously provided on the filter frame, the mat-shaped filter fiber covers the inclined portion of the collection port, and the mat-shaped filter fiber is provided with a detachable means for a food box. Who is characterized by Box of the filter. 8. A box that covers a ventilation fan that discharges oil smoke and odor generated in the range to the outside of the room, protrudes from a wall above the range, and a lower surface of the box is opened to remove oil smoke and odor. The collection opening has a rectangular bent surface that rises diagonally upward from horizontal on the way from the wall side to the front side, and has a gutter along the inner circumference of the edge of the collection opening. Of a food box with an oil reservoir
On each surface of the horizontal portion and the inclined portion of the bent surface,
An auxiliary tool for independently mounting a filter made of a rectangular filter frame, comprising one end of two rods rotatably connected so that the maximum leg opening angle becomes 180 °, The two rods are 1
In a state where the rod is opened by 80 ° to form a single rod, both ends thereof are placed in oil sumps on both side plates of the food box, and one side of the filter frame of the filter is placed on the rod. An auxiliary device for a filter of a food box, wherein the filter is mounted.