JP2640414B2 - Filter device to be attached to commercial ventilation fan - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter device to be mounted on a commercial ventilation fan for attaching a sheet-like filter member to a commercial ventilation fan such as a restaurant.

[0002]

2. Description of the Related Art Hitherto, various filter members have been proposed to prevent contamination of a ventilation fan. For example, a filter member having a non-woven fabric provided inside a frame having a predetermined size, or a filter member having a predetermined size is cut. There was a nonwoven fabric itself that could be put on a ventilation fan. On the other hand, a ventilation fan used for business use has a structure in which a motor is mounted around a ventilation port by a plurality of support members, and a rotating blade is mounted on an output shaft directed toward the ventilation port side of the motor. I was

[0003]

However, the non-woven fabric using the support member can be used in the case where the motor is located on the indoor side of the ventilator and the rotating blades are located on the ventilator side, such as the commercial ventilation fan. When the rotating blades rotate, the non-woven fabric is sucked between the support members and caught in the rotating blades and breaks, making it impossible to cover the non-woven fabric as it is. Therefore, there was a problem that it was not possible to prevent ventilation dirt. The present invention has been made in view of such circumstances, and even if a large-sized ventilation fan having a support member around the filter, the filter is attached to a commercial ventilation fan that can easily attach and replace a filter member such as a nonwoven fabric. It is intended to provide a device.

[0004]

According to the present invention, there is provided a semiconductor device comprising:
The filter device to be mounted on a commercial ventilation fan according to the above is mounted on the indoor side of the ventilation port, a frame plate provided with an opening at the center for engaging with the ventilation port, and a plurality of base plates fixed to the frame plate. A filter device to be attached to a commercial ventilation fan having a plurality of rod-shaped support members and a motor supported from the periphery by the plurality of support members and further provided with a rotating blade on an output shaft, having a spring property. A front end of each of a plurality of support members that support the periphery of the motor, including a connecting pipe that holds the wire in a ring shape by fitting and caulking both ends of the wire formed in a ring shape. A filter supporting ring having a size connectable to a position, a band-shaped main body formed of a single bendable thin plate, and bent and fixed along the cross-sectional shape of the supporting member at the time of mounting; and the main body. A ring holding portion that is provided so as to protrude from one side in the longitudinal middle position thereof, and that bends at the time of mounting to hold a filter support ring disposed at a front side middle position of the support member, and that the filter support ring is attached to the support member. A plurality of mounting plates to be fixed in a predetermined position,
A filter member made of a nonwoven fabric having a size that covers the commercial ventilation fan attached with the filter support ring from the indoor side, and extends to a peripheral portion of the ventilation port.
The ventilation comprises one of a plurality of planar fasteners having a back surface coated with an adhesive, or a combination of a plurality of iron fixing plates having a back surface coated with an adhesive and a corresponding number of knob magnets. Filter fixing means for fixing the periphery of the filter member extending to the periphery of the mouth. Here, as a specific example of the filter fixing means, the filter fixing means comprises a planar fastener which is disposed around the ventilation fan, an adhesive is applied to the back surface, and a large number of hook-shaped hooks are implanted on the surface. In some cases, it may be composed of a plurality of iron fixing plates attached around the ventilation fan via an adhesive, and a knob magnet fixed to the iron fixing plate via the filter member. Further, a plurality of filter support rings may be provided in addition to one.

[0005]

According to a first aspect of the present invention, there is provided a filter device mounted on a commercial ventilation fan, wherein a filter fixing means is disposed around the ventilation port, and the filter device is provided on the indoor side of the ventilation port and has a front leg portion of a supporting member for supporting the motor. At a certain position, the main body is bent along the cross-sectional shape of the front leg, and the mounting plate is attached. And
Bend the ring holder to hold the filter support ring. By using such a mounting plate, it is possible to cope with a change in the cross-sectional shape and the like of the support member, and to cope with a change in the size and shape of the cross-sectional area of the filter support ring. Next, a sheet-shaped filter member of a predetermined size is placed on a ventilation fan to which the filter support ring is fixed, and the periphery of the filter member is, for example, a sheet fastener, a filter fixing means such as a magnet, and the like, and a ventilation opening is formed. Secure around. Since the filter member is supported by the filter support ring made of a wire as described above, it has a sufficient intake area. When the motor is driven, the rotating blades rotate and try to suck out the filter member to the outside of the ventilation port, but the filter support ring provided in the middle of the front leg of the support member supports the filter member. Therefore, the filter member is not drawn inward by the intake air and is not caught by the rotating blades.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will now be described with reference to the accompanying drawings to provide an understanding of the present invention. Here, FIG. 1 is an explanatory view showing a method of attaching a nonwoven fabric using a filter device attached to a commercial ventilation fan according to a first embodiment of the present invention, FIG. 2 is a perspective view of the same, FIG. 3 is a plan view of the nonwoven fabric, FIG. 4 is an explanatory view showing a method of providing a mounting plate on a support member, FIG. 5 is an explanatory view showing a modification in which a filter supporting ring is fixed using the mounting plate, and FIG. 6 is a drawing showing a second embodiment of the present invention. It is a sectional side view which shows the attachment method of the nonwoven fabric using the filter apparatus attached to a commercial ventilation fan. A filter device 10 to be attached to a commercial ventilation fan according to a first embodiment of the present invention
Is a filter support ring 1 as shown in FIGS.
1 and a plurality (four in this embodiment) of mounting plates 1
2 and a plurality of planar fasteners 13 having an adhesive applied to a back surface as an example of a filter fixing means, and as shown in FIG. 1, a nonwoven fabric as an example of a sheet-like filter member via these. 14 is attached to a ventilation fan 15. As shown in FIG. 3, the nonwoven fabric 14 may be provided with cuts 15a at four corners in advance, but the present invention is naturally applied to a case where the cuts 15a are omitted to form a polygon.

Hereinafter, the configuration of the filter device 10 will be described in detail. As shown in FIG. 2, the filter support ring 11 includes a steel wire 16 having a spring property and a connecting pipe 17, and the connecting pipe 17 is partially covered on one end of the wire 16, and the covered portion is swaged. Wire 1
6 fixed. As shown in FIGS. 2 and 4, the mounting plate 12 is formed using a zinc-plated iron plate or a stainless steel thin plate, and has a band-shaped main body 18 and a main body 18.
Rectangular ring holder 19 protruding laterally from the side of the
And an adhesive portion 20 provided on the back surface of the main body 18. An adhesive is applied to the bonding portion 20,
The fixing of the ventilation fan 15 to the support member 22 is ensured. The planar fastener 13 is made of a synthetic resin material having a well-known structure. A large number of hook-shaped hooks are planted on the surface, and an adhesive portion coated with an adhesive is provided on the back side. As shown in FIG. 1, a base plate of the ventilation fan 15 is provided with a frame plate 24 provided with an opening 23 a that engages with the ventilation port 23. And the frame plate 24
Is provided with a support member 22 in the shape of a "U" to which the base of the base leg 22a is fixed, and the front end of the front leg 22b of the support member 22 is provided on the near side of the ventilation port 23. The motor 21 is supported. A rotating blade 25 is provided on an output shaft provided on the ventilation port side of the motor 21.

Next, a method of attaching the nonwoven fabric 14 using the filter device 10 to be attached to a commercial ventilation fan will be described in detail below. As shown in FIG.
And dirt such as oil and debris on the peripheral portion 26 such as a wall and a ceiling around the device. Then, the planar fastener 13 is pressure-bonded to the peripheral portion 26 of the ventilation port 23 using an adhesive on the back surface.
The filter support ring 11 has a connecting pipe 17.
The end of the wire 16 on the side not covered with is inserted into the connecting pipe 17 and caulked with pliers or the like to form the wire 16 into a ring shape. Next, the filter support ring 11 is attached to the support member 2.
It is provided once in the middle of the second forefoot part 22b, and a mark is made on the provided forefoot part 22b.

Then, as shown in FIGS. 1 and 4, an adhesive portion 20 of the mounting plate 12 is provided at a position of a mark of the front leg portion 22b of the support member 22, and the mounting plate 12 is adhered to the main body portion. The both sides of 18 are bent and fixed to the support member 22. Then, the ring holding portion 19 is temporarily lifted upward,
The filter support ring 11 is provided below the ring holding portion 19, the ring holding portion 19 is pressed against the wire 16 from above and bent, and the filter support ring 11 is fixed to the support member 22. After the frame plate 24 is provided on the peripheral edge portion 26 of the ventilation port 23, the nonwoven fabric 14 cut to an appropriate size is put on the ventilation fan 15, and the end is firmly pressed against the planar fastener 13 by rubbing it. At this time, the cuts 15a at the four corners of the nonwoven fabric 14 are put on the ventilation fan 15 in a state where the cuts 15a are overlapped and pulled outward so as to have tension. . The overlapping portion 27 at the end of the nonwoven fabric 14 is bound with a stapler (trade name) or the like. When the nonwoven fabric 14 is mounted using the filter device 10 attached to the commercial ventilation fan according to the first embodiment of the present invention, the nonwoven fabric 14 is supported by the support member 22 via the filter support ring 11, and further, if necessary. Since the overlapping portion 27 is stapled with a stapler or the like, even if the nonwoven fabric 14 is sucked into the ventilation port 23 by the operation of the motor 21, the nonwoven fabric 14 is sucked between the support members 22 and is caught in the rotating blades 25. It will not be. In this embodiment, the wire 16 is connected to the filter support ring 11 by the connection pipe 17,
Any means may be used as long as the ends of the ring-shaped wire are connected. Further, in this embodiment, the ring holding portion 19 of the mounting plate 12 is arranged outside and bent outward, but as shown in FIG. 5, the ring holding portion 19 is arranged inside and bent outward. It is also possible to fix the filter support ring 11.

Next, a filter device to be mounted on a commercial ventilation fan according to a second embodiment of the present invention will be described with reference to FIG. The same components as those in the above-described embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

The nonwoven fabric 14 using the filter device 10a to be mounted on the commercial ventilation fan according to the second embodiment of the present invention is not used with the planar fastener 13 shown in FIG. Rectangular iron fixing plate 29
And a magnet 30 with a knob, and other components are the same as those of the first embodiment. The fixing plate 29
An adhesive is applied to the back surface. First, a plurality of fixing plates 29 are stuck on the frame plate 24, and the nonwoven fabric 14 cut to an appropriate size is ventilated by a ventilation fan 15 as in the case of the first embodiment.
Cover. Then, the magnet 30 is provided on the nonwoven fabric 14 on the fixing plate 29, and the magnet 30 is magnetically attached to the fixing plate 29 to fix the nonwoven fabric 14. At this time, similarly to the first embodiment, the nonwoven fabric 14 is put on the ventilation fan 15 while being pulled outward so as to have tension.

Although a steel wire 16 for a spring is used for the filter support ring 11, another metal material such as stainless steel may be used, or a synthetic resin material such as vinyl chloride or polypropylene, or A thin bamboo or the like may be used. The mounting plate 12 is made of a galvanized steel plate or a stainless steel plate, but may be made of another metal material such as soft aluminum, or in some cases, a synthetic resin material. Also, in this embodiment,
When the frame plate 24 is made of a magnetic material (for example, an iron plate, austenitic stainless steel, or the like) or when its peripheral portion is made of a magnetic material, the fixing plate 29 made of a magnetic material can be omitted. The filter fixing means includes, in addition to the planar fastener, the fixing plate and the magnet, a structure in which an elastic member such as a rubber band is inserted around the filter, and the whole is formed into a cap shape and put on a ventilation fan. In this case, a suitable hook member further constituting the filter fixing unit based leg of the support member for supporting the motor of the ventilating fan, or the mounting surface of the ventilation fan, adhesion, attachment by screwing or magnet or the like, said cap-shaped filter Can also be fixed.

[0013]

According to the first aspect of the present invention, a filter support ring for supporting a sheet-like filter member is provided in the middle of the front leg portion of the support member of the ventilation fan, and the periphery of the filter member. Is fixed around the ventilation opening by the filter fixing means, so that the filter member is drawn into the ventilation fan by the intake air, and the filter member is not caught by the rotating blade and is torn.
Smooth ventilation is possible. Then, oil including dust and the like sucked in with the intake of the ventilation fan adheres to the filter member, and replacement of the dirty filter member is extremely easy. In addition, the filter support ring is made of wire and is formed in a ring shape at the time of installation, so make it a little longer wire, adjust it to a length according to the size of the ventilation fan to be installed at the time of use, and adjust the ring radius to an appropriate A filter support ring can be formed, thus accommodating ventilation fans of various sizes. Further, since the filter member is supported by the filter support ring, it is possible to maintain substantially the same intake air amount as before the filter member is mounted. Furthermore, since the mounting plate has a main body that is bent and fixed along the cross-sectional shape of the front leg of the support member at the time of mounting, even a ventilation fan having support members having different cross-sectional shapes and sizes can be used. Can be installed. Further, a ring holding portion protruding in a direction substantially perpendicular to the longitudinal direction is provided at an intermediate end on one side of the main body, and is bent at the time of mounting to hold the filter support ring, so that filters having various diameters and cross-sectional shapes are provided. It can correspond to the support ring, and can be easily attached and detached.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a method for mounting a nonwoven fabric using a filter device mounted on a commercial ventilation fan according to a first embodiment of the present invention.

FIG. 2 is a perspective view of the same.

FIG. 3 is a plan view of a nonwoven fabric.

FIG. 4 is an explanatory diagram of a method of providing a mounting plate on a support member.

FIG. 5 is an explanatory view of a modification in which a filter support ring is fixed using a mounting plate.

FIG. 6 is a side sectional view showing a method for mounting a nonwoven fabric using a filter device mounted on a commercial ventilation fan according to a second embodiment of the present invention.

[Explanation of symbols]

Reference Signs List 10 filter device 10a filter device 11 filter support ring 12 mounting plate 13 planar fastener 14 non-woven fabric 15 ventilation fan 15a cut 16 wire 17 connecting pipe 18 main body 19 ring holding portion 20 bonding portion 21 motor 22 support member 22a base leg 22b fore leg Part 23 Ventilation port 23a Opening 24 Frame plate 25 Rotating blade 26 Peripheral edge 27 Overlapping part 29 Fixing plate 30 Magnet

Claims (1)

(57) [Claims] 1. A frame plate which is mounted on the indoor side of a ventilation port and has an opening at the center for engaging with the ventilation port, and a plurality of rod-shaped support members having base portions fixed to the frame plate. And a filter device attached to a commercial ventilation fan having a motor supported by the plurality of support members from the periphery and having an output shaft provided with rotating blades, wherein the wire device has a spring property and a ring shape. A connecting pipe that holds the wire in a ring shape by fitting both ends of the formed wire and caulking, and is capable of connecting respective front-side intermediate positions of a plurality of support members that support the periphery of the motor; A filter-supporting ring, a band-shaped main body which is formed of a single bendable thin plate, and which is fixed by being bent along the cross-sectional shape of the support member at the time of mounting, and a longitudinally intermediate position of the main body. Sideways A plurality of attachments which are provided so as to be protruded and which are bent at the time of attachment to hold a filter support ring disposed at a front intermediate position of the support member, and which fix the filter support ring at a predetermined position of the support member. A plate, a filter member made of a nonwoven fabric having a size that covers the commercial ventilation fan to which the filter support ring is attached from the inside of the room and extends to a peripheral portion of the ventilation port, and an adhesive is applied to the back surface. A plurality of sheet fasteners, or a combination of a plurality of iron fixing plates coated with an adhesive on the back surface and a corresponding number of knob magnets, and extending to the periphery of the ventilation opening. And a filter fixing means for fixing the periphery of the filter member provided.