KR20170004429U - a filter for air purification - Google Patents

Abstract

The present invention relates to a filter for air purification for filtering suspended matters such as fine dust and dust contained in air introduced from the outside and installed in an air cleaner such as a clean room,
The filter for air purification according to an embodiment of the present invention includes:
A filter material made of a PE material or a PP material for adsorbing and filtering foreign matter contained in air introduced from the outside;
A filter frame integrally molded by embedding a flange-shaped extension piece formed on a rim of the filter material by an injection mold for finishing the rim of the filter material;
And a packing for a sealing function, the packing being mounted on at least one mounting groove formed on the upper surface of the filter frame.

Description

{A filter for air purification}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filtration filter, and more particularly, to a filtration filter which is installed in an air cleaner such as a clean room, a clean bench, and an air shower and is used for filtering suspended matters such as fine dust, dust, And a filter for air purification.

BACKGROUND ART [0002] Generally, in a clean booth requiring cleanliness such as semiconductor industry, pharmaceutical industry, hospital, and the like, a filtration filter is used to remove bacteria or fine dust harmful to human body from circulating air or suspended matters contained in air introduced from outside, As shown in FIG.

Although not shown in the drawings, the filter according to the prior art,

A rectangular mesh-shaped metal mesh disposed on the front and back surfaces of the frame; a non-woven mesh filter material inserted between the metal meshes; and a metal mesh and a filter medium And a wire-shaped stopper for preventing disengagement.

The above-described conventional filter has a large number of parts including a costly frame, which leads to an increase in cost. The filtration filter is inconvenient for handling and transportation due to its weight, and the number of workpieces for assembling the filter is increased, The ease of assembling is lowered and the productivity is lowered.

In addition, in order to remove foreign substances such as dust adsorbed on the filter medium and reuse the filter, a work process for separating the metal stopper and the filter medium from the stopper welded to the frame and washing the foreign matter adsorbed on the filter medium is required do.

Accordingly, when a cleaning operation for reusing a filter filter is avoided in a business site using a filter, filtration efficiency of the filter is lowered when the filter is continuously used in a state where foreign substances in the air are adsorbed on the filter, Is washed twice or three times and then reused and disused, it causes waste of resources.

Therefore, when the entire filter is periodically replaced, the maintenance cost is increased, which leads to an economical burden.

An air filter for automobiles with a filter frame and a packing together is disclosed in the Utility Model Registration No. 20-0380893 (registered on March 29, 2005) of Korea Register.

Therefore, the embodiment of the present invention can improve the filtration rate for filtering suspended matters such as fine dust contained in air introduced into a clean room or the like, and shorten the work process for cleaning the filter to reuse the filtration filter It relates to the filter for air purification.

The embodiments of the present invention relate to a filter for air purification that reduces the number of parts due to the structure simplification of the filter, enables the filter to be handled and transported light in weight, and the work process for manufacturing can be reduced.

In order to achieve the above and other objects of the present disclosure, according to one embodiment of the present disclosure,

A filter material made of a PE material or a PP material for adsorbing and filtering foreign matter contained in air introduced from the outside;

A filter frame integrally molded by embedding a flange-shaped extension piece formed on a rim of the filter material by an injection mold for finishing the rim of the filter material;

And a packing for a sealing function, the packing being mounted on at least one mounting groove formed on the upper surface of the filter frame.

The present specification constituted as described above has the following advantages.

It is necessary to maintain the pleasant working environment by improving the filtration rate by improving the quality of the filtration material filtering the suspended particulate such as fine dust contained in the air flowing into the clean room and cleaning the filtration material to reuse the filtration filter It is possible to provide convenience and reliability to the user.

In addition, due to the simplification of the structure of the filter, the number of parts is reduced, and the filter is light in weight and easy to handle and transport.

Further, since the reinforcing rib can prevent the filter frame from being deformed by the injection molding, the service life of the filter can be prolonged, so that the competitiveness of the product can be enhanced and practicality can be obtained.

1 is a perspective view of a filter for air purification according to a preferred embodiment of the present invention,
2 is a perspective view of an air filtering filter according to another preferred embodiment of the present invention,
3 is a perspective view of a filter for air purification according to another embodiment of the present invention,
4 is a perspective view of a filter for air purification according to another embodiment of the present invention,
5 is a perspective view of an air filtering filter according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an air filtering filter according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 1, the filter for air purification according to an embodiment of the present invention includes:

A filter material 10 made of a PE material or a nonwoven fabric made of a PP material for adsorbing and filtering foreign matter contained in air introduced from outside into an air cleaner such as a clean room;

A flange-shaped extension piece 20 formed on the rim of the filter material 10 for finishing the rim of the filter material 10 is formed by an injection mold (not shown) so that the shape of the filter filter A can be maintained. A filter frame 30 integrally injection-molded by burying the filter frame 30;

And a packing 50 (or gasket) for sealing function, which is mounted on one or more mounting grooves 40 formed on the upper surface of the filter frame 30.

2 to 5, the filter frame 10 may be prevented from being bent or deformed by the filter frame 30 to prevent the filter frame 10 from being detached from the filter frame 30, (See FIG. 5), or a grid-like reinforcing rib 60, which are formed on the upper and lower plates 30 and 30, respectively.

Hereinafter, use examples of the air purifying filter according to one embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1, a filter frame 30 is replaceably installed in a housing (not shown) of an air cleaner such as a clean room, a clean bench, or an air shower. The filter frame 30 is integrally injection- Such as fine dust and dust, contained in the air introduced from the air inlet 10, can be adsorbed by the filter medium 10 formed of a nonwoven fabric (for example, PE material or PP material).

At this time, the gap between the housing and the filter A is sealed by the sealing packing 50 coupled to the mounting groove 40 formed on the upper surface of the filter frame 30, A can be prevented from flowing into the inside of the air cleaner through the clearance between the air cleaner and the air cleaner.

The filter element 10 has a flange-shaped extension piece 20 formed on the edge of the filter element 10 so as to maintain the shape of the filter element A by an injection mold (not shown) And injection molding is performed integrally.

In this case, the technique of embedding the elongated piece 20 extended on the rim of the filter medium 10 into the filtration frame 30 by the injection mold so as to integrally perform injection molding is a technical content used in the related art, It is omitted.

Therefore, the work process for forming the filter A is shortened and the manufacturing cost of the filter A is reduced, so that the inexpensive filter A can be supplied to the user.

On the other hand, when the filtration function of the filtration filter A is reduced due to the floating matter such as dust adsorbed on the filter medium 10, the filtration filter A is separated from the housing (not shown) of the air cleaner, The filter A can be reused by desorbing the suspended solids adsorbed on the filter 10 using water.

Referring to FIG. 2, the filter for air purification according to another embodiment of the present invention includes:

(See Fig. 5) extending in the filter frame 30 to prevent the injection molded filter frame 30 from being bent or deformed from the filter frame 30, Or the lattice type reinforcing ribs 60 are the same as those of the filter A shown in Fig. 1, so that a detailed description thereof will be omitted, Are the same.

Referring to FIG. 3, according to another embodiment of the present invention,

The filter frame 30 is formed in a three-step shape so as to prevent the injection-molded filter frame 30 from being bent and deformed, and a mounting groove 40 in which the sealing packing 50 is mounted is formed on the filter frame 30 The configuration of the filtration filter A except for the two filter frames 30 is the same as that of the filtration filter A shown in Fig. 2, so that a detailed description of these configurations will be omitted, Are the same.

Referring to FIG. 4, the filter for air purification according to another embodiment of the present invention includes:

A filter frame 30 made of a PE material or a PP material is embedded by an injection mold so as to extend over the rim of the filter medium 10 for adsorbing foreign substances contained in the air introduced from the outside, The filter frame 30 is composed of the upper frame 30A and the lower frame 30B and the sealing grooves 40 formed on the side surfaces of the filter frames 30 (30A, 30B) Shaped reinforcing ribs 50 are formed on the filter frame 30 in order to prevent the injection molded filter frame 30 from being bent or deformed from the filter frame 30, (See Fig. 5), or the lattice-like reinforcing ribs 60 are integrally formed.

It will be apparent to those skilled in the art that various modifications and variations may be made in the present disclosure without departing from the spirit or scope of the disclosure as defined in the following claims. As will be understood by those skilled in the art.

10; Filter medium
20; Extension
30; Filter frame
40; Mounting groove
50; packing
60; Reinforcing rib

Claims (3)

A filter material made of a PE material or a PP material for adsorbing and filtering foreign matter contained in air introduced from the outside;
A filter frame integrally injection-molded by embedding a flange-shaped extension piece formed on a rim of the filter material to finish the rim of the filter material by an injection mold;
And a packing for a sealing function, the packing being mounted on at least one mounting groove formed on the upper surface of the filter frame. A filter material made of a PE material or a PP material for adsorbing and filtering foreign matter contained in air introduced from the outside;
A filter frame including an upper frame and a lower frame, the filter frame integrally molded by injection molding with a flange-shaped extension extending from an edge of the filter medium;
And a packing for sealing function mounted on at least one mounting groove formed on a side surface of the filter frame. 3. The method according to claim 1 or 2,
A grid-like reinforcing rib or a grid-like reinforcing rib extending in the filter frame to prevent the filter frame from being bent or prevented from being separated from the filter frame. Filter for air purification.

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