JP4675452B2 - Air filter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an air filter that is installed in an air conditioner, an air purifier, or the like used in a building, a factory, or the like and can be reused by cleaning.
[0002]
[Prior art]
Conventionally, what was shown by FIG. 13 as an example of this kind of air filter was known. The configuration will be described below with reference to FIG.
[0003]
As shown in the figure, upper and lower frame plates 101 made of wood are provided with a substantially V-shaped groove 103 into which the upper end or lower end of a filter medium 102 that is bent and connected in a V shape is inserted, and the end of the filter medium 102 is formed at the end. The side plate 104 made of wood is fixed to the groove 103 with an adhesive, and the frame body 105 is formed by nailing the side plate 104 made of wood to the frame plate 101, and the air filter provided with the filter medium 102 inside is formed.
[0004]
Further, when using a metal plate, as shown in FIG. 14, the frame plate 202 formed in the same shape on the upper and lower sides of the side plate 201 formed in the same shape is joined by spot welding to form a frame body 203. An air filter is formed in the body 203 by providing a filter medium 204 that is bent into a V shape and is continuously provided.
[0005]
[Problems to be solved by the invention]
In such a conventional air filter, there is a problem that the contaminated air filter cannot be cleaned and reused in the former wooden case, and it is required to enable cleaning.
[0006]
Further, in the case of the latter metal, since the frame plate 202 is joined to the side plate 201 by spot welding, a welding process is necessary, accompanied by deterioration of the environment due to generation of fume, There is a problem that the material cannot be used, the material is limited, rust may be generated, and disassembly at the time of disposal is difficult, and it is required to form a frame without using spot welding.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the air filter of the present invention has four metal frame plates of the same shape, a frame formed by overlapping the frame plates while partially shifting them , and a filtration plate in the frame. And a plurality of V-shaped filter media arranged in a zigzag manner, the frame plates are combined by screwing to form the frame body, and both ends in the front-rear direction on the upstream side and the downstream side Are provided with left and right handles on the upper side of the frame body formed by overlapping and partially shifting a frame plate having an L-shaped portion at one end in the left-right direction. .
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the air filter of the present invention has four metal frame plates having the same shape, a frame formed by combining the frame plates in a swirl shape, and a filter paper in the frame. And a plurality of V-shaped filter media that are folded in a zigzag shape and arranged in a continuous manner, and the frame plate is combined by screwing to form the frame body.
[0009]
According to the present invention, together with carrying air filter becomes easy, the fabrication of the frame plate is facilitated, without washing requiring be spot welding, cost air filter is obtained that can safely Kusuru.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
The present invention includes four metal frame plates having the same shape, a frame formed by overlapping the frame plates while partially shifting them , and a plurality of V-shapes obtained by folding the filter plate in a zigzag manner in the frame. And a filter medium arranged in a row, and the frame plate is combined by screwing to form the frame body, and U-shaped sections are provided at both ends in the front-rear direction on the upstream side and the downstream side, A handle is provided on the left and right of the upper part of the frame body formed by overlapping and shifting the frame plate having an L-shaped part at one end in the left-right direction , and the air filter can be easily carried The frame plate is easy to manufacture, and the frame plate is made of metal with the same shape, so that it can be washed, and only one type of mold may be used when forming the frame, the need for order spot welding superimposed while shifting a part of the frame plate by screwing Eliminated, the cost is cheaper. Further, since it is screwed at the time of disposal or the like, it has an effect that it can be easily disassembled .
[0011]
Embodiments of the present invention will be described below with reference to the drawings.
[0012]
【Example】
Example 1
1-10, the cross section provided in the both ends of the front-back direction which becomes upstream and downstream is a U-shaped part 1, the L-shaped part 2 provided in the both ends of the left-right direction, and an L-shaped part. a plurality of through-holes 4 which penetrates the screw 3 provided on one of the L-shaped portion 2 near 2, the frame plate 6 provided with a threaded hole 5 of the screw 3 provided on the other L-shaped portion 2 one The frame 7 is formed by overlapping and fixing with screws 3 while shifting the parts .
[0013]
Then, a reinforcing horizontal machine 8 is provided in the approximate center of the downstream side of the frame body 7, the filter plate 9 a is folded in a zigzag shape, joined by hot melt, and further connected in a plurality of V-shapes in the frame body 7. The horizontal support 8 is provided with a downstream support 10 formed of resin in a mountain shape that is inserted into a trough on the downstream side of the filter media 9 to be stored and supports the filter media 9, and is disposed above and below the frame body 7. A plurality of screw holes 5A are provided in the U-shaped portion 1 of the frame plate 6, the downstream support material 10 is attached by the screws 2, and the downstream side of the filter medium 9 is supported by three downstream support materials 10 having the same shape. .
[0014]
Further, the upstream side of the filter medium 9 is arranged on the upper side support material 11 formed of resin in the shape of a mountain to be inserted into the trough on the downstream side of the filter medium 9 and a rivet 12 that can be engaged and disengaged such as a product name Nylatch and the like. A lever-like engagement hole 14 that engages with an engagement element 13 provided with a space collar 13a provided in the frame plate 6 is provided, and the U-shaped portion 1 of the frame plate 6 that is disposed above and below is provided. A coupling hole 15 of the rivet 12 is provided at a corresponding position, and an attaching / detaching means 16 is formed by the rivet 12, the coupling hole 15, the engaging element 13 and the engaging hole 14, and the center of the filter medium 9 is pressed by the front presser 17.
[0015]
Further, the filter plates 9a at both ends of the filter medium 9 are held by the resin filter medium end surface retainers 19 having a substantially U-shaped section 19a applied to the mounting piece 18 provided on the upstream side of the frame body 7. To be installed.
[0016]
In addition, the reinforcing metal fitting 20 that maintains the shape of the frame 7 in a shape that is stretched between the upper and lower frame plates 6 that form the frame 7 at the corners of the frame 7 and the left and right frame plates 6 is attached and detached with screws. Provide and configure freely.
[0017]
In the above-described configuration, the frame body 7 is formed by joining four frame plates 6 having the same shape while partially shifting and joining them using the screws 3 and attaching reinforcing metal fittings 20 to the corners of the frame body 7. It is to deform in a direction Ru overlapping shifting part becomes to be reinforced.
[0018]
The filter medium 9 accommodated in the frame body 7 is supported on the downstream side by the downstream support material 10 attached to the horizontal machine 8 and the downstream support material 10 attached to the upper and lower inner surfaces of the frame body 7, On the upstream side of the filter medium 9, a lever-like engagement hole 14 is engaged with an engagement element 13 provided on the inner surface of the frame plate 6 disposed above and below, and a coupling hole 15 in which the rivet 12 is provided on the frame plate 6. The end portion of the filter medium 9 is attached to the end of the filter plate 9a supported by the end face presser 19 of the filter medium.
[0019]
Further, the screw hole 5A for attaching the downstream support member 10 and the coupling hole 15 of the rivet 12 for attaching the upstream support member 11 are both provided corresponding to the U-shaped portion 1 of the frame plate 6, whereby the screw hole The end of the screw 3 and the end of the rivet 12 that are screwed to 5A are located in the U-shaped portion 1.
[0020]
Further, when the filter medium 9 provided in the frame body 7 is replaced, the filter medium 9 can be taken out to the upstream side of the frame body 7 by removing the upstream support member 11 through the attaching / detaching means 16 and replaced with a new filter medium. The filter medium 9 can be exchanged by attaching the upstream support material 11.
[0021]
As described above, according to the air filter of Example 1 of the present invention, the four metal frame plates 6 having the same shape, the frame body 7 formed by overlapping the frame plates 6 while being partially shifted , Since the filter plate 9 a is folded in a zigzag shape in the frame body 7, and the filter plate 9 is arranged continuously in a plurality of V shapes, and the frame plate 6 is screwed with the screws 2 to form the combined frame body 7. It is possible to clean and eliminate the need to use spot welding, enabling assembly even in places without spot welding equipment, preventing the generation of fumes during spot welding, preventing environmental deterioration, and color steel plates Etc. can be used, the occurrence of rust can be prevented, and by using the frame plate 6 having the same shape, it is possible to manufacture with one type of mold and to reduce the cost.
[0022]
Also, a U-shaped portion 1 provided at both ends in the front-rear direction on the upstream side and the downstream side, an L-shaped portion 2 provided at both ends in the left-right direction, and one L-shape of the L-shaped portion 2 By forming a frame body 7 by a frame plate 6 provided with a plurality of through holes 4 through which screws 3 provided in the vicinity of the shape portion 2 and a plurality of screw holes 5 provided in the other L-shaped portion 2 are provided. Screwing work is possible from one direction, improving workability.
[0023]
Further, a reinforcing horizontal machine 8 provided substantially at the downstream side of the frame body 7 and a plurality of mountain-shaped downstream sides that support the filter medium 9 by being inserted into valleys of the filter medium 9 attached to the horizontal machine 8. A support member 10 and a downstream support member 10 having the same shape as the downstream support member 10 provided on the upper and lower inner surfaces on the downstream side of the frame body 7, and the downstream side of the filter medium 9 by a plurality of downstream support members 10 having the same shape. Since the side is configured to support a predetermined shape, the downstream side of the filter medium 9 can be supported using a plurality of downstream side support materials 10 having the same shape, compared to the case where a plurality of types of downstream side support materials are used. The cost is low and the installation is easy.
[0024]
Moreover, since the upstream side support material 11 which inserts in the trough part of the filter medium 9 and supports the filter medium 9 on the upper and lower surfaces on the upstream side of the frame body 7 is detachably provided via the attachment / detachment means 16, without using a tool. The upstream support member 11 can be removed, the filter medium 9 can be easily replaced, and the filter plate 9a at both ends of the filter medium 9 is attached to the attachment piece 18 provided on the upstream side of the frame body 7. Since the filter medium end face retainer 19 having a substantially U-shaped section 19a applied to the filter member is elastically pinched and attached, the end of the filter medium 9 can be attached to the frame body 7 without using a tool.
[0025]
Further, since there is provided a reinforcing bracket 20 for holding the shape of the frame body 7 at the corners of the frame body 7 removably, to prevent the direction and deformation easily frame 7 modified overlapping shifting part the frame plate 6 In addition, by releasing the screwing of the auxiliary metal fitting 20 at the time of disposal, the frame body 7 can be easily deformed into a thin shape to reduce the volume.
[0026]
Further, since the screw hole 5A for attaching the downstream support member 10 and the coupling hole 15 of the rivet 12 for attaching the upstream support member 11 are provided corresponding to the U-shaped portion 1 of the frame plate 6, the screw hole 5A is screwed. The end of the screw 3 to be joined and the end of the rivet 12 coupled to the coupling hole 15 are located in the U-shaped portion 1, and the end of the screw 3 and the end of the rivet 12 project on the plate. Is prevented, safety is increased and aesthetics are improved.
[0027]
(Example 2)
As shown in FIG. 11, the shaped part 1A of the cross section U at both ends in the longitudinal direction on the upstream side and the downstream side is provided, the left-right direction of the end frame plates 6A forming the L-shaped portion 2A in one A rectangular handle 21 having a length extending from the front part to the rear part of the frame plate 6A is attached to the left and right sides of the upper part of the frame body 7A, which is overlapped while being shifted and screwed with screws 3A, with screws 3A using screw holes 5A. The configuration.
[0028]
In the above configuration, the frame plate 6A is formed with the L-shaped portion 4A only at one end portion, and the handle 21 is attached to the frame body 7A. Therefore, the frame plate 6A can be conveniently used with the handle 21 during the transportation and movement of the air filter. Become.
[0029]
As described above, according to the air filter of the second embodiment of the present invention, the U-shaped section 1B is provided at both ends in the front-rear direction on the upstream side and the downstream side, and the one end part in the left-right direction is the L-shaped part. Since the handles 21 are provided on the left and right sides of the upper portion of the frame 7A formed by overlapping the frame plate 6A on which the 2A is formed, the air filter can be easily carried and the frame plate 6A can be easily manufactured. Become.
[0030]
( Reference example)
As shown in FIG. 12, the gap formed between the frame plates 6B, which form the frame body 7B by overlapping the frame plates 6B while being partially shifted, is sealed with the sealing material 22 to form a structure corresponding to high airtightness. . In the above configuration, the sealing material 22 can prevent leakage from the gap formed between the frame plates 6B when filtering through contaminated air into the filter medium 9 provided in the frame body 7B.
[0031]
As described above, according to the air filter of the reference example of the present invention, the gap formed between the frame plates 6B that form the frame body 7B by overlapping the frame plates 6B while being partially shifted is sealed with the sealing material 22. with tightness corresponding air filter is obtained, after which had a sealing material 22 provided in the frame plate 6B, easily seal enables Rukoto superimposed while shifting some of the frame plate 6B.
[0032]
【The invention's effect】
As is clear from the following examples, four metal frame plates having the same shape, a frame formed by overlapping the frame plates while partially shifting , and a filter plate in a zigzag shape in the frame. A plurality of folded V-shaped filter media, and the frame plates are combined by screwing to form the frame body, with cross-sections at both ends in the front-rear direction on the upstream side and downstream side. Since the handle is provided on the left and right sides of the upper part of the frame formed by overlapping the frame plate formed by shifting the frame plate having the L-shaped part at one end in the left-right direction , the air filter can be carried In addition to facilitating the manufacture of the frame plate, it is possible to provide an inexpensive air filter that can be cleaned and does not require spot welding.
[0037]
In addition, four metal frame plates having the same shape, a frame formed by overlapping the frame plates while being partially displaced, and a filter plate folded in a zigzag manner in the frame are connected in a plurality of V-shapes. A U-shaped portion provided at both ends in the front-rear direction on the upstream side and the downstream side, and the left and right direction An L-shaped portion provided at both ends of the L-shaped portion, a plurality of through holes through which a screw is provided in the vicinity of the L-shaped portion of one of the L-shaped portions, and a plurality of holes provided in the other L-shaped portion. By forming the frame body with the frame plate provided with screw holes, detachably providing a reinforcing bracket for preventing deformation of the frame body at the corner of the frame body, and releasing the reinforcement by the reinforcing bracket and characterized in that it is possible to volume reduction and deformation of the frame body, the frame Reinforcing metal fittings that maintain the shape of the frame body are provided at the corners of the frame so that the frame body can be prevented from being deformed. It is possible to provide an air filter that can be deformed into a thin shape, can be reduced in volume, can be cleaned, and does not require spot welding, and has a low cost effect.
[Brief description of the drawings]
FIG. 1 is a perspective view of an air filter according to a first embodiment of the present invention. FIG. 2 is an exploded perspective view showing a combination state of frame plates of the air filter. FIG. Side view [Fig. 4] Rear side perspective view of the same air filter [Fig. 5] Perspective view of the downstream side support material of the air filter and horizontal machine [Fig. 6] Perspective view of the upstream side support material of the air filter [Fig. [Fig. 8] An exploded perspective view showing the mounting state of the upstream support member of the air filter. [Fig. 8] A cross-sectional view showing a coupling state of the air filter with rivets. [Fig. 9] An upstream support member and a downstream support member of the air filter. exploded perspective view showing a state combination of the frame plate of example 2 of a cross-sectional view showing a mounting state of a side view showing a mounting state [10] the air filter of the filter material end faces 11 of the present invention in FIG. 12 by reference case Figure exploded perspective showing a state combination of the frame plate 13 is a perspective view of a conventional exploded perspective view showing the structure of an air filter 14 is a same another example of the air filter [Description of symbols]
DESCRIPTION OF SYMBOLS 1 U-shaped part 1A U-shaped part 2 L-shaped part 2A L-shaped part 3 Screw 3A Screw 4 Through-hole 5 Screw hole 5A Screw hole 6 Frame plate 6A Frame plate 7 Frame body 7A Frame body 8 Horizontal machine 9 Filter media 9a Filter plate 10 Downstream support material 11 Upstream support material 16 Detachment means 18 Mounting piece 19 Filter media end face retainer 19a U-shaped portion 20 Reinforcing bracket 21 Handle 22 Sealing material

Claims (2)

  Four metal frame plates of the same shape, a frame formed by overlapping the frame plates while partially shifting the frame plate, and a filter plate folded in a zigzag manner in the frame body and connected in a plurality of V shapes. The frame plate is screwed together to form the frame body, provided with U-shaped cross sections at both ends in the front-rear direction on the upstream side and downstream side, and one end in the left-right direction An air filter in which handles are provided on the left and right sides of the upper part of the frame body formed by overlapping and shifting a frame plate having an L-shaped part in the part. Four metal frame plates of the same shape, a frame formed by overlapping the frame plates while partially shifting the frame plate, and a filter plate folded in a zigzag manner in the frame body and connected in a plurality of V shapes. A U-shaped portion provided at both ends in the front-rear direction on the upstream side and the downstream side, and both ends in the left-right direction. An L-shaped portion provided in the L-shaped portion, a plurality of through-holes through which a screw is provided near one of the L-shaped portions of the L-shaped portion, and a plurality of screw holes provided in the other L-shaped portion. The frame plate is provided with the frame plate, and a reinforcing metal fitting for preventing deformation of the frame body is detachably provided at a corner of the frame body, and the frame is released by releasing the reinforcement by the reinforcing metal fitting. air filter, characterized in that it is possible to volume reduction and deformation of the body.

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