JP7015986B2 - Dustproof filter - Google Patents

Description

The present invention relates to a dustproof filter mainly used for a filter box provided as a member of ventilation and air conditioning equipment of a house.

As a conventional example of a dustproof filter used for a filter box mainly provided as a member of ventilation and air conditioning equipment of a house, it is known that a dustproof filter is provided between an intake port and an air outlet of the filter box. There is. The filter box is provided with a mounting member for mounting the dustproof filter on the filter box.

By removing the dustproof filter from the mounting member and removing the collected material collected by the dustproof filter, it is possible to prevent the filter box from being clogged.

Further, as having the same purpose, a dustproof filter provided between an intake port of a blower of a heat exchange device and a heat exchange element inside the blower is known. Inside the blower, a mounting portion for mounting the filter on the blower is provided. By removing the filter from the mounting portion and removing the collected material collected by the filter, clogging of the heat exchange element can be prevented (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2008-249290

In a filter box with a built-in dust filter, when the dust filter is removed from the mounting part, the dust filter opening area is open to the air intake port, so the collected material scatters and falls out of the dust filter. It had the problem of getting rid of it.

Therefore, the present invention solves the above-mentioned conventional problems, and prevents the collected material collected by the dust-proof filter from being scattered or dropped to the outside of the filter when the dust-proof filter is removed from the mounting member. It is an object of the present invention to provide a dustproof filter with a shutter mechanism.

The dustproof filter of the present invention is between a pair of filter opening members having an opening in the center, a dust collecting member fixed to the filter opening member through which air passes through the opening, and the pair of filter opening members. The gap fixing member to be arranged, the filter shutter guide formed by laminating and fixing the pair of the filter opening members via the gap fixing member, and sliding along the opening surface of the filter opening member. A flat plate-shaped filter shutter that is attached to the pair of filter opening members and has a handle portion and a hooking rib is provided, and when the handle portion is slid in a direction of pulling out, the hooking rib becomes the filter shutter guide. It is configured to be caught on the end of the surface , thereby achieving the intended purpose.

According to the present invention, it is possible to provide a dustproof filter capable of preventing scattering or falling of the collected material collected by the dustproof filter and easily removing the dustproof filter from the filter mounting portion.

It is an overall perspective view which shows the filter box of embodiment of this invention. It is a partial cross-sectional perspective view seen from the intake port side which shows the state which the dustproof filter is attached to the filter box of embodiment of this invention. It is a partial cross-sectional perspective view seen from the outlet side which shows the state which the dustproof filter is attached to the filter box of embodiment of this invention. It is a perspective view which shows the attachment member provided in the filter box of embodiment of this invention, and its position. It is a perspective view which shows the state which the dust-proof filter of embodiment of this invention is set in a mounting member. It is a perspective view which shows the structure of the dustproof filter of embodiment of this invention. It is a perspective view explaining the filter shutter of embodiment of this invention. It is an exploded perspective view explaining the structure of the filter part of embodiment of this invention. It is sectional drawing explaining the structure of the filter part of embodiment of this invention. It is a perspective view which shows the state which the filter shutter of the dustproof filter of this invention is closed.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the embodiments shown below are exemplified in order to embody the technical idea of the present invention. In addition, the members shown in the claims are by no means specified as the members of the examples. In particular, the dimensions, materials, shapes, relative arrangements, etc. of the constituent members described in the embodiments are not intended to limit the scope of the present invention to the specific description unless otherwise specified, but are merely described. It's just an example. The size and positional relationship of the members shown in each drawing may be exaggerated for the sake of clarity. Further, in the following description, members of the same or the same quality are shown with the same name and reference numeral, and detailed description thereof will be omitted as appropriate. Further, each element constituting the present invention may be configured such that a plurality of elements are composed of the same member and the plurality of elements are combined with one member, or conversely, the function of one member is performed by the plurality of members. It can also be shared and realized. In addition, the contents described in some examples and embodiments can be used in other embodiments and embodiments.

The dustproof filter of the present invention is fixed to a pair of filter opening members and a filter opening member having an opening in the center, and slides along the opening surface of the dust collecting member and the filter opening member through which air passes through the opening. A dustproof filter attached to an air passage provided with a filter shutter attached to a pair of filter opening members, the pair of filter opening members being arranged at the ends of opposite frame sides of the filter opening member, respectively. The filter shutter guide is formed between the facing frame sides of the pair of filter opening members, and the filter shutter is a part of the filter shutter by sliding the filter shutter guide. Has a structure that covers the opening.

As a result, when the dustproof filter that is detachably locked to the filter box is removed from the filter box, the filter shutter of the dustproof filter is slid, and a part of the shutter covers the filter opening member. When the dustproof filter is removed from the filter box, it is possible to prevent the collected material collected by the dustproof filter from scattering or falling from the filter opening member. That is, it has the effect that the dustproof filter can be removed from the filter box for maintenance while preventing the collected matter collected by the filter from falling.

Further, in the dustproof filter of the present invention, the filter shutter has a flat plate shape, and the shutter portion, the opened shutter opening portion, and the handle portion are provided in series in the sliding direction in this order. With this configuration, since the filter shutter has a flat plate shape, the filter shutter has a simple structure, and the size of the filter guide provided in the filter opening member on which the filter shutter slides can be reduced. Further, since the shutter portion, the opened shutter opening portion, and the handle portion are provided in series in the sliding direction in this order, the opening of the filter opening member can be easily opened and closed by sliding the filter shutter.

Further, in the dustproof filter of the present invention, the dust collecting member is sandwiched and fixed to the pair of filter opening members. With this configuration, the dustproof filter is sandwiched and fixed between the pair of filter opening members, so that the fixed portion between the dustproof filter and the filter opening member is not exposed on the outer surface, so that the member or the like is attached to the fixed portion. It is possible to prevent the dust filter from peeling from the filter opening member due to friction or the like generated by contact.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIG. 1, the filter box 1 has a box shape, and an intake port 11 is provided on one side surface of the filter box 1. Further, on the other side surface adjacent to one side surface and orthogonal to each other, an air outlet 12 through which the air passing through the dustproof filter 2 passes through the filter box 1 is provided.

An inspection panel 14 that can be opened and closed by a hinge mechanism 13 is provided on the upper surface or the bottom surface of the filter box 1 of FIG.

FIG. 2 is a partial cross-sectional perspective view of the filter box 1, and the dustproof filter 2 is attached to the attachment member 21 so as to be removable. The filter box 1 is installed, for example, in the ceiling of a house or the like.

2 and 3 are partial cross-sectional perspective views showing a state in which the dustproof filter 2 is attached to the filter box. The air sucked into the filter box 1 from the intake port 11 passes through the intake port 11 in the order of the filter opening member 31, the shutter opening 25, and the dust collecting member 32 of the dustproof filter 2, and is discharged from the air outlet 12. To. When the outdoor air passes through the dust filter 2, dust, dust, insects and the like contained in the outdoor air are collected by the dust collecting member 32, and the outdoor air is purified. The air to be supplied is generally outdoor air, but may be indoor air.

As shown in FIG. 4, in the vicinity of the downstream side of the intake port 11, a mounting portion 22 for mounting the mounting member 21 to which the dustproof filter 2 is mounted is provided on the filter box 1. The mounting portions 22 are provided on both side surfaces orthogonal to and adjacent to the side surface where the intake port 11 of the filter box 1 is provided. The mounting portion 22 provided on the side surface is formed with a protrusion protruding from the side surface. A dustproof filter 2 is arranged and fixed between the projecting piece and the side surface of the filter box 1 provided with the intake port 11.

As shown in FIG. 5, the dustproof filter 2 is attached to the attachment member 21 so as to be removable. The filter box 1 is configured for the purpose of purifying the air supplied by inserting the mounting member 21 to which the dustproof filter 2 is mounted into the mounting portion 22 provided in the filter box 1.

In the mounting member 21, a dustproof filter 2 is arranged on the side wall around the intake port 11 of the mounting member 21.

The constituent members of the dustproof filter 2 are composed of two pairs of filter opening members 31, two gap fixing members 33, a dust collecting member 32, and a filter shutter guide 34. Further, the filter shutter guide 34 is formed by stacking and fixing the pair of filter opening members 31 via the gap fixing member 33 arranged between the pair of filter opening members 31 and the pair of filter opening members 31. Has been done.

As shown in FIG. 6, the dustproof filter 2 includes a filter unit 3 configured by combining a filter shutter 23 and a filter shutter guide 34.

The configuration of the filter unit 3 will be described with reference to FIG. The filter unit 3 is composed of two pairs of filter opening members 31, two gap fixing members 33, and a dust collecting member 32. To elaborate the configuration from the intake port side, the gap fixing members 33 are attached to the opposite end sides of one of the filter opening members 31 with an adhesive or the like. At this time, the gap fixing member 33 is arranged at the end edge of the opposite end sides of one of the filter opening members 31, and a part of both end sides secures a space in which the gap fixing member 33 is not arranged. ing.

Further, the end portion of the dust collecting member 32 is arranged on the gap fixing member 33 attached to the opposite end sides of the filter opening member. The dust collecting member 32 is previously fixed to the other filter opening member 31 with an adhesive such as hot melt. The filter portion 3 is configured as one by pasting and laminating one filter opening member 31 to which the gap fixing member 33 is attached and the other filter opening member 31 to which the dust collecting member 32 is fixed. The pair of filter opening members 31, the gap fixing member 33, and the dust collecting member 32 are integrally fixed by a fixing means such as an adhesive, double-sided tape, or a stapler.

The filter shutter guide 34 is formed by stacking and fixing a pair of filter opening members 31 via a gap fixing member 33. The filter shutter guide 34 is formed by a gap in which the gap fixing member 33 is not arranged among the opposite end sides of the substantially square filter opening member 31. The filter shutter guide 34 is formed along both opposite end sides of the filter opening member 31. The size of the gap needs to be such that the filter shutter can slide. The gap is provided with a gap of, for example, about 1 to 2 mm.

The material of the filter opening member 31 is easy to process if a hard pulp board with a thickness of about 1 mm is used, and the gap fixing member 33, the dust collecting member, etc. It may be pasted together and integrated. Further, the pair of filter opening members 31, the gap fixing member 33, and the dust collecting member 32 may be integrally molded by insert molding.

Further, as shown in FIG. 7, the filter shutter 23 is provided so as to be in series in the sliding direction in the order of the flat plate-shaped shutter portion 24, the opening-shaped shutter opening portion 25, and the handle portion 26.

Further, in order for the bag-shaped dust collecting member 32 to collect dust and insects, it is desirable that the mesh spacing of the dust collecting member 32 is, for example, 0.01 mm to 1 mm.

With this configuration, the air sucked from the intake port 11 passes through the filter unit 3 of the dustproof filter 2, and the dust and insects floating in the air sucked from the intake port 11 are collected by the filter unit 3. It is possible.

Next, the mechanism of the filter shutter will be described in detail with reference to FIG. 7. As shown in FIG. 7, the filter shutter 23 has a flat plate-like structure composed of a flat plate-shaped shutter portion 24, an opening-shaped shutter opening portion 25, and a handle portion 26.

Further, as shown in FIG. 6, the pair of both ends of the filter shutter 23 are slid on the filter shutter guide 34 formed by laminating the pair of filter opening members 31 via the gap fixing member 33 in the filter portion 3. Arranged so that it can move. In the embodiment, the filter opening member 31, the gap fixing member 33, and the filter shutter 23 are arranged on the filter shutter guide 34 in a slidable configuration by using materials having the same thickness. Can be done. In the state of FIG. 6, the shutter opening 25 of the filter shutter 23 is at a position facing the filter opening member 31 of the filter unit 3, and the air taken in from the intake port 11 of the filter box 1 passes through the filter unit 3 to filter. The air is blown from the air outlet 12 of the box 1.

Further, there is a hook rib 27 protruding in the width direction of the filter shutter 23 at the end of the flat plate-shaped shutter portion 24 of the filter shutter 23, and when the handle portion 26 is grasped and slid in the direction of pulling out the handle portion 26, the hook rib It is possible to obtain the effect that 27 can be prevented from being caught by the end portion of the filter shutter guide 34 and coming off the filter shutter guide 34.

Further, in FIG. 10, the shutter portion 24 of the filter shutter 23 is located at a position facing the filter opening member 31 of the filter portion 3, and the dustproof filter 2 is replaced due to clogging of the dustproof filter 2 arranged in the filter box 1. It is the state when doing. When replacing the dustproof filter 2, open the inspection panel 14 of the filter box 1 and pull it toward you until the filter shutter 23 hits the hook rib 27 as shown in FIG. 10, and the shutter portion 24 of the filter shutter 23 is a dust collecting member. It covers the opening of 32. As a result, when the dustproof filter 2 is removed from the filter box 1, it is possible to prevent the collected material collected by the dustproof filter 2 from being scattered from the filter unit 3 and falling.

According to the present invention, when performing maintenance of the dustproof filter 2 mounted on the filter box 1, the operator pulls the handle portion 26 of the filter shutter 23, which is one of the configurations of the dustproof filter 2, and slides the filter shutter 23. When the dust-proof filter 2 is removed from the filter box 1 by a part of the shutter covering the opening of the dust-collecting member 32, the collected material collected by the dust-proof filter 2 is scattered or dropped from the filter unit 3. Can be prevented from doing so.

The dustproof filter according to the present invention can be applied to all filter boxes equipped with any dustproof filter.

1 Filter box 11 Intake port 12 Outlet 13 Hinge mechanism 14 Inspection panel 2 Dustproof filter 21 Mounting member 22 Mounting part 23 Filter shutter 24 Shutter part 25 Shutter opening 26 Handle part 27 Hooking rib 28 Groove 3 Filter part 31 Filter opening member 32 Dust collecting member 33 Gap fixing member 34 Filter shutter guide

Claims (1)

A pair of filter opening members with an opening in the center ,
A dust collecting member fixed to the filter opening member and through which air passes through the opening, and a dust collecting member.
A gap fixing member arranged between the pair of filter opening members,
A filter shutter guide formed by stacking and fixing a pair of the filter opening members via the gap fixing member,
A flat plate-shaped filter shutter, which is attached to the pair of the filter opening members so as to slide along the opening surface of the filter opening member and has a handle portion and a hook rib , is provided.
A dustproof filter in which the hooking rib is caught on the end of the filter shutter guide when the handle portion is slid in the pulling direction .

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