JP2000111114A - Filter with size adjustable frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a filter adapted to many type deep range hoods and easy to be attached and detached by providing a wide part having one or more dead folds formed at least at one side of a periphery of a frame so that a part of the wide part can be cut and removed to meet a size of an opening of a hood. SOLUTION: Wide parts 21, 22, 23 and 24 are provided at four sides of a periphery of a frame 20 of the filter 10, and a reinforcing part 25 is coupled between the parts 22 and 24. Sheet-like filter materials 30 using, for example, nonwoven fabrics are mounted in windows 26, 21. Groove-like dead folds X (X1 to X6) are provided parallel to end faces 211, 231 on front and rear surfaces of the parts 21 and 23 to form neckings 28. Neckings 29 are formed at front and rear surfaces of the parts 22 and 24 with one groove folds Y (Y1, Y2). The one or more of the folds are selected and simply folded and removed at the neckings 28, 29, thereby obtaining the filter of a desired size.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter with a frame which can be attached to and detached from an opening of a deep range hood.

[0002]

2. Description of the Related Art Conventionally, in a place where a gas range used in a kitchen or the like is arranged, in order to collect the exhaust gas and discharge it to the outside, for example, as shown in FIG. A hood 80 is provided. In order to prevent soot and oil from adhering to the inside of the deep range hood 80 and prevent the flame from entering the duct at the back of the deep range hood 80, a punch metal or a metal net is provided. A grease filter 90 made of metal is attached. However, grease filter 9
It takes a lot of time and effort to remove the dirt from the oil of 0. Therefore, a filter material 91 such as a non-woven fabric is attached to the grease filter 90, and each time it becomes dirty, only the dirty filter material 91 is removed and a new filter material 91 is removed. Has been replaced.

[0003]

However, there are a plurality of types of openings 81 for mounting the grease filter 90 of the deep range hood 80 depending on the range hood manufacturer.
Many types of filter materials 91 and 9
It is necessary to manufacture and prepare a frame 92 that supports the frame 1.
Therefore, manufacturers who manufacture and sell products need to have a large variety and high price of product inventory.On the other hand, consumers are expected to be able to install the product in their home range hood, There was no problem. The present invention has been made in view of such circumstances, and provides a filter with a frame whose size can be adjusted easily, which can be applied to various types of deep range hoods even if the external size is small, and is easily attached and detached. With the goal.

[0004]

According to the present invention, there is provided a filter with a frame having an adjustable size according to the present invention, which is mounted on an opening of a deep range hood, and a filter material is mounted on a frame having a square outer periphery. A filter with a frame, wherein a wide portion is provided on at least one side around the frame, and one or more folds are formed in the wide portion, and a part of the wide portion is formed by the fold. By removing it, it can be attached to the openings of deep range hoods of different sizes. Therefore, a wide portion having one or two or more folds may be provided on one side, two sides, three sides, or four sides of a rectangular frame. With such a configuration, the size of the frame is used by folding and removing the removal portion that is a part of the outside of the wide portion with the fold at the position corresponding to the size of the opening of the deep range hood to be used One size adjustable framed filter that can be easily adapted to the size of the opening of the deep range hood (hereinafter referred to as framed filter)
Thus, a filter with a frame that can be used for a plurality of types of deep range hoods can be formed.

[0005] Here, the filter material to be attached to the frame is one that has an effect of filtering fine dust such as non-woven fabric, woven fabric, carbon fiber, non-woven paper, metal fiber, glass fiber, soot, oil and the like. I just need. In this case, the cost is reduced and the filter material can be disposable. Further, the frame may be resin-molded together with the filter material. In this case, since the filter material and the frame are integrated, there is no post-processing, and the production process is simplified. Further, the frame may be formed of a molded product made of a plate-like thermoplastic resin, and the filter material may be thermally welded or bonded to the wide portion. In this case, the molding time per shot is shorter than that of the integrally molded product, and the cost can be reduced.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention. Here, FIGS. 1 (A) and (B)
A perspective view showing a filter with a frame according to the first embodiment of the present invention, an enlarged sectional side view of a fold portion,
2A, 2B, and 2C are enlarged side sectional views of a main part showing a molding process of a filter with a frame according to the first embodiment of the present invention, and FIG. FIGS. 4A, 4B, and 4C are plan views showing a filter with a frame according to an embodiment of the present invention, and FIGS. 4A, 4B, and 4C show a depth range hood to which the filter with a frame according to the first embodiment of the present invention is attached. FIG. 5 is a plan cross-sectional view, a plan view of the filter with a frame, a plan cross-sectional view of the filter with the frame attached to a deep range hood, and FIG. 5 shows a filter with a frame according to a second embodiment of the present invention. It is a perspective view.

As shown in FIGS. 1A and 1B, a framed filter 10 according to a first embodiment of the present invention is shown.
Are wide portions 2 on the four sides around the square frame 20.
1, 22, 23, and 24 are provided, and the wide portions 22 and 24 are joined by a reinforcing portion 25. Wide parts 21, 22,
A window 26 surrounded by 23, 24 and a reinforcement 25,
A sheet-like filter material 30 using a nonwoven fabric made of a thermosetting resin such as a polyester resin as the filter material is attached to the filter material 27. Wide part 2
End faces 2 of the wide portions 21 and 23 respectively on the front and back of
Six groove-shaped folds X (X1, X2, X3, X4, X5, X6) extending in a straight line parallel to 11, 231 are formed, and FIG. 1B is a cross-sectional view of the wide portion 21. As shown, a constriction 28 is formed. End faces 221 and 241 of the wide portions 22 and 24 are provided on the front and back of the wide portions 22 and 24, respectively.
One groove-shaped fold Y (Y1,
Y2) is formed, and a constricted portion 29 having the same shape as the constricted portion 28 is formed. These folds X1, X2, X3, X
4, X5 and X6 and one or two or more of Y1 and Y2 are selected, and the outside of the selected fold X or Y is projected from the end of the workbench or the like, and the wide portion 21
Outer portions of the selected folds X and Y of 22, 23 and 24 are easily broken at constricted portions 28 and 29.

Here, a step of resin-molding the frame 20 of the filter 10 with a frame with a mold 40 together with a filter material 30 using a thermoplastic resin such as polyethylene resin will be schematically described with reference to FIG. A mold 40 for forming the frame 20 is prepared.
The configuration of the mold 40 is, as a typical example, the wide portion 2.
2 (A) and 2 (B) showing the steps of molding 2, 24,
Explaining by (C), the lower mold 41 of the mold 40
Are formed with wide portions 21, 22, 23, 24 and reinforcing portions 25, and folds X 1, X 2, X 3, X 4,
Protrusions 43 forming X5, X6 and Y1, Y2 are provided. Similarly, the upper mold 44 has the space 42 and the projection 4
A space portion 45 and a projection portion 46 are provided to face each other. Protrusions 47 and 48 for forming the windows 26 and 27 are provided at the center of the lower mold 41 and the upper mold 44 so that the filter material 30 is sandwiched between the convexes 47 and 48. The upper die 44 is provided with a resin injection port 49. The filter material 30 is placed on the central convex portion 47 of the lower mold 41.
Put. As shown in FIG. 2B, the lower mold 41 and the upper mold 44 are combined, the filter material 30 is sandwiched between the convex portions 47 and 48, the mold resin 31 is injected from the resin injection port 47, and cooled. After the mold resin 31 is cured, the lower mold 41 and the upper mold 44
Are separated, and as shown in FIG.
The filter 10 with the frame, in which the filter material 30 is fixed to the frame 20 made of the mold resin 31 formed in the above, is taken out.

In this manner, the molded framed filter 10 is obtained. The end 32 of the filter material 30 inserted between the lower mold 41 and the upper mold 44 is obtained.
Is fixed to the frame 20 by being buried in the mold resin 31 while the molten mold resin 31 enters. Further, the wide portions 21, 22, 23,
In 24, constrictions 28 and 29 are formed between the protrusions 43 and 46, and constitute folds X and Y.
As shown in FIG. 3, the frame-equipped filter 10 has an outer shape having a width B1 and a length L1. For example, in the constrictions 28 and 29 at the positions of the folds X3 and X5 and Y1 and Y2. By folding and removing a part of the outside of the wide portions 21, 22, 23, and 24, the framed filter 10 having the width B2 and the length L2 is obtained.

As shown in FIG. 4A, when the opening 51 of the deep range hood 50 has a vertical length D and a horizontal width E, two channel steels provided to face each other with the vertical length D are provided. The mounting groove 52 formed by, for example, is provided.
2, a spring member 53 is provided to hold the frame-equipped filter 10 so that it does not protrude or move out of the mounting groove 52 due to vibration or the like when the filter 10 with a frame is inserted between the two mounting grooves 52. I have to do it. When the filter 10 with a frame is attached to this deep range hood 50, if the dimensions corresponding to the vertical length D and the horizontal width E are, for example, the length L2 and the width B2 shown in FIG. 3, the folds X3, X5, Y1, Select the position of Y2,
As shown in FIG. 4B, the wide portions 21, 22, 23, 2
The framed filter 10 having the width B2 and the length L2 can be formed by removing the removed portions 21A, 22A, 23A, and 24A indicated by oblique lines outside from the four folds X3, X5, Y1, and Y2. Filter 1 with this frame
0 is inserted into the mounting grooves 52 on both sides, and as shown in FIG.
The framed filter 10 is fixed in the mounting groove 52. As described above, when the filter 10 with a frame is mounted on the deep range hood 50, even if the external dimensions of the filter material 10 with a frame are different from the dimensions of the opening 51, only one type of filter 10 with a frame is prepared. One or a plurality of folds X, Y provided in one or a plurality of folds are selected to remove portions 21A, 22A, 23A, which are outer portions of the wide portions 21, 22, 23, 24,
By removing 24A, the size of the filter with frame 10 can be adjusted to the size of the opening 51 and attached.

FIG. 5 shows a framed filter 60 according to a second embodiment of the present invention. This is the filter 1 with the frame according to the first embodiment of the present invention.
Since the basic configuration is substantially the same as 0, the same configuration is denoted by the same reference numeral and detailed description is omitted. The difference between the filter with frame 10 and the filter with frame 60 is as follows.
The frame 70 is made of a plate-like thermoplastic resin by using the windows 71 and 72.
And the wide portions 73, 74, 75, 76 and the reinforcing portion 7
7 to form the frame 70 as a single molded product. Further, the wide portions 73, 74, 75, 76
In addition, a sheet-like filter material 30 using a non-woven fabric made of a thermosetting resin is attached to the reinforcing portion 77 so as to cover the windows 71 and 72. The filter material 30 is divided into the wide portions 73, 74, 75, 76 and the reinforcing portion 7.
7 is fixed by pressing a heating trowel from above the filter material 30 toward the wide portions 73, 74, 75, 76 and the reinforcing portion 77.
5, 76 and the surface of the reinforcing portion 77 are melted, and the wide portion 7
The filter material 30 is welded by the fixing portions 33 formed along 3, 74, 75, 76 and the reinforcing portion 77.

The filter material 30 and the wide portion 73
A fixing portion 33 is formed by applying a heat-resistant adhesive between the surface of the reinforcing portions 77, 75, 76, and the filter material 30 is applied to the surfaces of the wide portions 73, 74, 75, 76 and the reinforcing portions 77. You may adhere. Six groove-shaped folds S (S1, S2, S) extending in a straight line parallel to the end faces 731 and 751 of the wide portions 73 and 75 are respectively provided on the front and back of the wide portions 73 and 75.
3, S4, S5, S6) are formed, and the wide portions 74, 76 are formed.
The end faces 741, 7 of the wide portions 74, 76 are respectively provided on the front and back sides.
One groove-shaped fold T (T
1, T2) are formed. The folds S and T may be formed in a groove shape by pressing at the melting temperature of the frame 70 made of a thermoplastic resin by a linear ruler-shaped heating trowel having a knife edge at an end portion. May be processed. The method of changing the dimensions of the filter with frame 60 by folding the folds S and T and the operation thereof are the same as those in the first embodiment. Further, the number of reinforcing portions and the number of folds are not limited to those described in the description of the filter with a frame according to the first and second embodiments, and can be increased or decreased as necessary. Further, in the description of the first and second embodiments, the example in which the non-woven fabric is used as the filter material has been described. However, the woven fabric, carbon fiber, non-woven paper, metal fiber, glass fiber, etc. The same effect can be obtained as long as it has an effect of filtering soot, oil and the like.

[0013]

According to the filter with the size adjustable frame according to the first aspect, a wide portion is provided on at least one side around the frame, and the wide portion has one or two wide portions.
The above fold is formed, and by removing a part of the wide part at the fold, it is possible to attach to the opening of the deep range hood with different dimensions, so the opening of the deep range hood to be used By removing a part of the wide portion with a fold at a position corresponding to the dimensions of the above, a filter with a frame that can be used for a plurality of types of deep range hoods can be formed from a filter with one frame. .
In particular, if a non-woven fabric, a woven fabric, a carbon fiber, a non-woven paper, a metal fiber, a glass fiber, or the like, which has an effect of filtering fine dust, soot, oil, etc., is used as a filter material, the cost is low. Become disposable. When the frame is resin-molded together with the filter material, the filter material and the frame are integrated, so that there is no post-processing and the production process is simplified. In addition, when the frame is formed of a molded article made of a plate-like thermoplastic resin, and the filter material is heat-welded or bonded to a wide portion, the molding time per shot is shorter than that of the integrally molded article, and the cost is reduced. Can be cheaper.

[Brief description of the drawings]

FIGS. 1A and 1B are a perspective view and an enlarged sectional side view of a fold portion, respectively, showing a filter with a frame whose size is adjustable according to a first embodiment of the present invention.

FIGS. 2A, 2B, and 2C are enlarged side sectional views of a main part showing a molding step of a filter with a frame whose size is adjustable according to the first embodiment of the present invention.

FIG. 3 is a plan view showing a size-adjustable filter with a frame according to the first embodiment of the present invention.

FIGS. 4A, 4B, and 4C are plan cross-sectional views of a deep range hood to which a size-adjustable frame-equipped filter according to the first embodiment of the present invention is attached, respectively. FIG. 2 is a plan view showing a state in which the filter with a frame is attached to a deep range hood.

FIG. 5 is a perspective view showing a size-adjustable filter with a frame according to a second embodiment of the present invention.

FIG. 6 is a perspective view showing a state in which a filter with a frame according to a conventional example is attached to a deep range hood.

[Explanation of symbols]

Reference Signs List 10 Filter with frame 20 Frame 21 Wide section 211 End face 21A Removal section 22 Wide section 221 End face 22A Removal section 23 Wide section 231 End face 23A Removal section 24 Wide section 241 End face 24A Removal section 25 Reinforcement section 26 Window section 28 Window section 28 29 Constriction 30 Filter material 31 Mold resin 32 End 33 Fixing part 40 Mold 41 Lower mold 42 Space 43 Projection 44 Upper mold 45 Space 46 Projection 47 Projection 48 Projection 49 Resin inlet 50 Deep range Hood 51 Opening part 52 Mounting groove 53 Spring member 60 Filter with frame 70 Frame 71 Window part 72 Window part 73 Wide part 731 End face 74 Wide part 741 End face 75 Wide part 751 End face 76 Wide part 77 Reinforcement part X Fold X1-X6 Eye Y Crease Y1, Y2 It is first S crease S1~S6 crease T crease T1, T2 crease

Claims (1)

[Claims] 1. A filter with a frame attached to an opening of a deep-type range hood and having a filter material attached to a frame having a rectangular outer periphery, and a wide portion is provided on at least one side around the frame. The wide portion is provided with one or more folds, and by removing a part of the wide portion at the fold, the wide portion can be attached to the opening of the deep range hood having different dimensions. A filter with a frame whose size can be adjusted.