JPH08224421A - Air purifying filter housing case - Google Patents

Abstract

PURPOSE: To obtain an air purifying filter housing case in which the replacement work of air purifying filter is safely done and which is easy to clean and also is low in price. CONSTITUTION: In the case body 11, an outer frame 14 is vertically installed as one body along the peripheral edge part of a punching metal plate 13 of a roughly square shape in which innumerable air through-holes 12, 12... are punched. A stopper 15 has the form of a long and narrow box of width L and is fitted to a side surface 14a in the outer frame 14 so that the clearance can be made between the lower edge thereof and the surface of the punching metal plate 13. A stopper 16 has nearly the same form as that of the stopper 15, but its width L' is smaller than the width L of the stopper 15, and the stopper 16 is fitted to a side surface 14b in the outer frame 14 similarly to the stopper 15. A pressing plate 17 has nearly the same form as that of the punching metal plate 13, but the length of a side in the lateral direction in the figure is smaller than that of the outer frame 14 in the lateral direction in the figure by the width L' of the stopper 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifying filter storage case for accommodating an air purifying filter such as a grease filter attached to a ventilation opening in a kitchen or a room or an air filter.

[0002]

2. Description of the Related Art Conventionally, for example, in a kitchen of a restaurant, oil dust generated during cooking adheres to the inside of the suction duct at the suction port of the suction duct installed in the vicinity of the fried food cooking facility to cause a duct fire. An air purifying filter that collects oil dust is installed to prevent the generation of dust. FIG. 4 shows a conventional air purification filter storage case in which the air purification filter is stored. In this figure, the case body 1 is
An outer frame 4 is integrally erected along the peripheral edge of a punching metal plate 3 which is a substantially square plate in which a large number of air insertion holes 2, 2, ... Are punched out.

On the side surface 4a in the outer frame 4, one end edge 5a of a pressing plate 5 having substantially the same shape as the punching metal plate 3 is attached by hinges 6 and 6 so as to be openable and closable. The pressing plate 5 has mooring portions 7, 7 attached to the left and right of the other edge 5b, and a handle portion 9 attached at substantially the center. A side surface 4b facing the side surface 4a in the outer frame 4
Locking parts 8, 8 for locking the mooring parts 7, 7 are attached to the lower left and right sides of the. Air purifying filter 10
Is a grease filter made of aluminum fiber or an air filter made of ceramic fiber.

In the above structure, the air cleaning filter 10
When storing the air purifying filter in the air purifying filter storage case, the operator installs the air purifying filter 10 in the case body 1 and the pressing plate 5.
After sandwiching it between the mooring portion, the mooring portions 7, 7 and the locking portions 8, 8 are connected to each other.

[0005]

By the way, in the above-mentioned conventional air cleaning filter storage case, an operator holds the pressing plate 5 with one hand while replacing the air cleaning filter 10 with the other hand. Since the filter 10 has to be replaced, if one hand is accidentally released, the other hand may be caught between the case body 1 and the pressing plate 5, which is dangerous. Further, when cleaning the air purifying filter storage case, since the case body 1 and the pressing plate 5 cannot be separated, the pressing plate 5 is opened and closed during cleaning, which makes the work difficult and troublesome. Furthermore, in the above-mentioned conventional air purifying filter storage case, the hinges 6, 6, the mooring portion 7,
Since external parts such as 7 and locking parts 8 and 8 are used, there is a problem that the cost is high. The present invention has been made under such a background, and an object of the present invention is to provide an air purification filter storage case that can safely replace an air purification filter, is easy to clean, and is inexpensive. To do.

[0006]

According to the first aspect of the present invention,
A grease filter that collects oil dust in the air, or an air cleaning filter housing case that houses an air cleaning filter such as an air filter, and a bottom plate having a large number of air insertion holes, and an outer frame along the periphery of the bottom plate. And a corrosion-resistant metal main body case that is integrally erected, and one end portion of the outer frame in the main body case, the corrosion resistance attached so as to form a gap between the bottom plate of the main body case A first stopper made of metal, and a second stopper made of corrosion-resistant metal attached to the other end opposite to the one end so as to form a gap between the bottom plate of the body case and the first stopper; It is characterized by comprising a pressing plate having substantially the same shape as the bottom plate of the main body case.

According to a second aspect of the present invention, in the air cleaning filter storage case according to the first aspect, the first stopper is a box shape having a predetermined width, and the second stopper is the first stopper. It is characterized by a box shape with a width shorter than the width.

[0008]

According to the first and second aspects of the invention, when the air cleaning filter is housed in the air cleaning filter housing case, the operator places the air cleaning filter on the bottom plate of the main body case. Subsequently, the operator inserts one end edge of the pressing plate into the gap between the first stopper and the bottom plate of the main body case, and then inserts the other end edge of the pressing plate into the gap between the second stopper and the bottom plate of the main body case. To insert. Further, when taking out the air purification filter from the air purification filter storage case, the operator takes out one end edge of the pressing plate from the gap between the first stopper and the bottom plate of the main body case, and then removes the other end edge of the pressing plate from the first edge. Take out from the gap between the stopper of 2 and the bottom plate of the body case. Subsequently, the worker takes out the air cleaning filter from the air cleaning filter storage case.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a configuration example of an air purification filter storage case according to an embodiment of the present invention. In this figure, a case body 11 is made of a corrosion resistant metal (for example, stainless steel) and An outer frame 14 is integrally erected along the peripheral edge of a punching metal plate 13 having a substantially rectangular shape in which the air insertion holes 12, 12, ... Are punched out. Outer side surface 14b of the outer frame 14
Are formed with holes 14e, 14e, ... At predetermined intervals.

The stopper 15 is in the form of an elongated box having a width L and is formed of a corrosion-resistant metal plate (for example, stainless steel). The stopper 15 is provided on the side surface 1 inside the outer frame 14.
4a is attached so that a gap is formed between the lower end edge thereof and the surface of the punching metal plate 13.

The stopper 16 has substantially the same shape as the stopper 15, but is formed such that its width L'is shorter than the width L of the stopper 15, and the lower end edge is formed on the side surface 14b in the outer frame 14. The punching metal plate 13 is attached so as to form a gap with the surface thereof.

The pressing plate 17 has substantially the same shape as the punching metal plate 13, but the side length in the horizontal direction in the figure is greater than the width L'of the stopper 16 by the length of the outer frame 14 in the horizontal direction in the figure.
Both opposite edges are bent so as to be shortened by that amount. The handle portion 18 is formed by bending a corrosion-resistant metal plate (for example, stainless steel), and holds the pressing plate 17.
Is attached in the vicinity of one end edge 17a.

Next, a method for storing the air cleaning filter in the air cleaning filter storing case described above will be described with reference to FIG.
Will be described with reference to. FIG. 2 is a sectional view taken along line XX ′ of FIG. In this figure, an operator places the air cleaning filter 10 on the punching metal plate 13. Then, the operator inserts the one end edge 17a of the holding plate 17 into the gap between the lower end edge of the stopper 15 and the surface of the air cleaning filter 10 while holding the handle portion 18 of the holding plate 17, and the one end edge 17a. The pressing plate 17 is slid in the direction of arrow A until is contacted with the side surface 14a in the outer frame 14.

Next, the operator pushes the other edge 1 of the pressing plate 17.
After lowering 7b in the direction of arrow B so that the pressing plate 17 overlaps the air cleaning filter 10, the other end edge 17b
Is slid in the direction of arrow C by a length L'until it comes into contact with the side surface 14b in the outer frame 14. Thereby, as shown in FIG. 3, the air purification filter 10 is stored in the air purification filter storage case. Then, in the state where the air cleaning filter shown in FIG. 3 is housed, the vicinity of both end edges (one end edge 17a and the other end edge 17b) of the pressing plate 17 is pressed by the stoppers 15 and 16, so that the pressing plate 1
7 does not fall off from the case body 11.

Further, when taking out the air cleaning filter 10 from the air cleaning filter storage case, the procedure may be reversed from the above-mentioned procedure of storing the air cleaning filter in the air cleaning filter storage case. That is, in FIG.
The operator holds the handle portion 18 of the pressing plate 17, and slides the pressing plate 17 in the direction of the arrow A ′ by the length L ′ until the one end edge 17 a of the pressing plate 17 contacts the side surface 14 a of the outer frame 14. Subsequently, the worker pushes the pressing plate 1 in the direction of the arrow B '.
After lifting the other end edge 17b of 7 in the arrow B'direction, the pressing plate 17 is pulled out in the arrow C'direction. As a result, the outer frame 14 and the pressing plate 17 are separated, so that the air cleaning filter 10 can be taken out.

Although the embodiment of the present invention has been described in detail above with reference to the drawings, the specific structure is not limited to this embodiment, and the design change and the like without departing from the gist of the present invention. Even this is included in this invention. For example, in the above-described embodiment, an example using the stoppers 15 and 16 made of a box-shaped corrosion-resistant metal plate is shown, but the invention is not limited to this, and for example, a rod-shaped member made of a corrosion-resistant metal may be used instead. Good.

[0017]

As described above, according to the first and second aspects.
According to the invention described above, the main body case and the pressing plate can be separated, so that the air cleaning filter can be replaced safely and the cleaning can be easily performed. Further, since no external parts such as hinges are used, the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a configuration example of an air purification filter storage case according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a method of storing an air purification filter in an air purification filter storage case according to the same embodiment.

FIG. 3 is a diagram illustrating a method of taking out the air cleaning filter from the air cleaning filter storage case according to the same embodiment.

FIG. 4 is a perspective view showing a configuration example of a conventional air cleaning filter storage case.

[Explanation of symbols]

 11 Case Main Body 12 Air Insertion Hole 13 Punching Metal Plate 14 Outer Frame 15,16 Stopper 17 Holding Plate

Claims (2)

[Claims] 1. An air cleaning filter housing case housing an air cleaning filter such as a grease filter for collecting oil dust in the air or an air filter, and a bottom plate having a large number of air insertion holes, and a bottom plate of the bottom plate. A main body case made of a corrosion-resistant metal in which an outer frame along the periphery is integrally provided upright, and a gap is formed between the bottom plate of the main body case at one end of the outer frame in the main body case. A first stopper made of corrosion-resistant metal attached to the first stopper, and a second stopper made of corrosion-resistant metal attached to the other end portion opposite to the one end portion so as to form a gap between the bottom plate of the main body case. And a pressing plate having substantially the same shape as the bottom plate of the main body case. 2. The first stopper has a box shape having a predetermined width, and the second stopper has a box shape having a width shorter than the width of the first stopper. Air purifying filter storage case.