JP2015019808A - Deodorizing device for electric fan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a deodorizing device for an electric fan, capable of removing odorous components, tobacco smell, and nonenal smell contained in air, allowing clean air to be supplied from the electric fan.SOLUTION: A deodorizing device 10A for an electric fan includes a deodorizing ring 12 disposed between the vanes of the electric fan and a rear vane guard fitted at the back of the vanes; an annular inner frame 13 extending along the inner circumference of the deodorizing ring 12; and an annular outer frame 14 extending along the outer circumference of the deodorizing ring 12. The deodorizing ring 12 includes a plurality of porous honeycombs frames 16 in a honeycomb form connected in series between the inner frame 13 and the outer frame 14 and a plurality of vent holes 17 surrounded by the honeycomb frame 16. A fitting part 19 for detachably fitting the deodorizing ring 12 to a guard bar of the rear vane guard is disposed on the rear face 18 of the outer frame 14.

Description

  The present invention relates to a deodorizer for a fan that is used in a fan and removes odors contained in air.

  An annular filter material that can cover the rear surface of the rear blade guard that guards the rotating blades of the fan from the outside, a frame having an annular frame shape that holds the filter material in a deployed state, and the frame as a blade guard An electric fan filter is disclosed that includes a locking member for locking, the filter material is divided into a plurality of partial filter materials in the circumferential direction, and the frame is divided into a plurality of partial frames in the circumferential direction. (See Patent Document 1). This fan filter can be easily attached to and detached from the fan, and only a damaged partial filter material or a dirty partial filter material in the filter can be replaced.

Japanese Patent Laid-Open No. 2005-240697

  The fan filter disclosed in Patent Document 1 can remove dust contained in the air passing through the fan, but cannot remove odor components, tobacco odors, and nonenal odors contained in the air. In addition, the odor components contained in the air include basic odor components mainly composed of nitrogen-containing compounds such as ammonia, trimethylamine, triethylamine, and trialamine, and sulfur-containing hydrogen sulfide, methyl sulfide, methyl disulfide, methyl mercaptan, etc. Neutral odor components mainly composed of aldehydes such as compounds, formaldehyde, acetaldehyde, butyraldehyde, valeraldehyde, propionaldehyde, and acidic odor components mainly composed of lower fatty acids such as formic acid, acetic acid, propionic acid and valeric acid , Toluene, xylene, butanol, and methyl isobutyl ketone. The odor includes tobacco odor and nonenal odor.

  The objective of this invention is providing the deodorizing tool for electric fans which can remove the odor component, tobacco odor, and nonenal odor which are contained in air using a fan, and can supply clean air.

  The first feature of the deodorizing device for a fan according to the present invention for solving the above problems is formed from a deodorizing ring that adsorbs odors contained in air, and the deodorizing ring is formed into a honeycomb shape, A plurality of porous honeycomb frames arranged in series between the inner peripheral edge and the outer peripheral edge, and a plurality of vent holes surrounded by the honeycomb frames and arranged in series between the inner peripheral edge and the outer peripheral edge of the deodorizing ring. And a fitting portion that is detachably fitted to the guard bar of the rear blade guard is formed on the outer peripheral edge of the deodorizing ring, and between the fan blade and the rear blade guard attached to the rear of the blade via the fitting portion. It is to be installed in.

  As an example of the fan deodorizing tool having the first feature, in the fan deodorizing tool, the deodorizing ring protrudes backward in the front-rear direction from the outer peripheral edge toward the inner peripheral edge, and is curved so as to gradually separate from the fan blades. When the fitting portion of the outer peripheral edge is fitted to the guard bar of the rear blade guard, the porous honeycomb frame of the deodorizing ring is positioned along the guard bar of the rear blade guard.

  As another example of the deodorizing device for electric fans having the first feature, in the deodorizing device for electric fans, the porous honeycomb frame of the deodorizing ring is directly connected from the inner peripheral edge to the outer peripheral edge of the deodorizing ring. When the fitting portion of the outer peripheral edge is fitted to the guard bar of the rear blade guard that is curved so as to gradually approach the blades, the porous honeycomb frames of the deodorizing ring are located near the fan blades.

  The second feature of the deodorizing device for electric fans according to the present invention for solving the above problems is formed from a deodorizing ring that adsorbs odors contained in air, and the deodorizing ring is formed into a honeycomb shape so that the deodorizing ring A plurality of porous honeycomb frames arranged in series between the inner peripheral edge and the outer peripheral edge, and a plurality of vent holes surrounded by the honeycomb frames and arranged in series between the inner peripheral edge and the outer peripheral edge of the deodorizing ring. A fitting portion that is detachably fitted to the guard bar of the rear blade guard is formed on the inner peripheral edge of the deodorizing ring, and is installed immediately after the rear blade guard attached to the rear of the fan blades via the fitting portion. There is to be.

  As an example of the fan deodorizing tool having the second feature, in the fan deodorizing tool, the deodorizing ring protrudes backward in the front-rear direction from the outer peripheral edge toward the inner peripheral edge, and is curved so as to gradually separate from the fan blades. When the fitting part of the inner peripheral edge is fitted to the guard bar of the rear blade guard, the porous honeycomb frame of the deodorizing ring is positioned along the guard bar of the rear blade guard.

  As another example of the fan deodorizing tool having the second feature, in the fan deodorizing tool, those porous honeycomb frames of the deodorizing ring are connected in a straight line from the inner peripheral edge to the outer peripheral edge of the deodorizing ring, When the peripheral fitting portion is fitted to the guard bar of the rear blade guard, the porous honeycomb frame located on the outer peripheral edge side curves backward so as to gradually approach the fan blade. Separate.

As an example of the deodorizer for a fan having the first and second features, the length of one side of the porous honeycomb frame is in the range of 1 to 5 mm, and the area of the vent hole surrounded by the honeycomb frame is 4. It is in the range of 499~112.49mm ^2.

  As another example of the fan deodorizer having the first and second features, the thickness dimension in the front-rear direction of the porous honeycomb frame is in the range of 1 to 5 mm.

  As another example of the fan deodorizing device having the first and second features, the deodorizing ring is formed of an inner deodorizing ring located on the inner peripheral edge side and an outer deodorizing ring located on the outer peripheral edge side. In the deodorizer for an electric fan, the size of each porous honeycomb frame of the outer deodorizing ring is larger than that of each porous honeycomb frame of the inner deodorizing ring, and the area of the air holes surrounded by the honeycomb frame of the outer deodorizing ring Is larger than the area of the vent hole surrounded by the honeycomb frame of the inner deodorizing ring.

As another example of the deodorizing device for a fan having the first and second features, the length of one side of the porous honeycomb frame of the inner deodorizing ring is in the range of 1 to 2.5 mm, and the honeycomb frame of the inner deodorizing ring is used. The area of the enclosed vent is in the range of 4.499 to 28.12 mm ² , the length of one side of the porous honeycomb frame of the outer deodorizing ring is ² to 5 mm, and is surrounded by the honeycomb frame of the outer deodorizing ring The area of the vent hole is in the range of 17.99 to 112.49 mm ² .

  As another example of the fan deodorizer having the first and second characteristics, the thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorization ring is the thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorization ring. The thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorizing ring is in the range of 3 to 5 mm, and the thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorizing ring is in the range of 1 to 3 mm.

  As another example of the fan deodorizing device having the first and second features, the deodorizing ring is formed of an inner deodorizing ring located on the inner peripheral edge side and an outer deodorizing ring located on the outer peripheral edge side. In the deodorizing device for an electric fan, the size of each porous honeycomb frame of the inner deodorizing ring is larger than that of each porous honeycomb frame of the outer deodorizing ring, and the area of the air holes surrounded by the honeycomb frame of the inner deodorizing ring Is larger than the area of the vent hole surrounded by the honeycomb frame of the outer deodorizing ring.

As another example of the deodorizing device for a fan having the first and second features, the length of one side of the porous honeycomb frame of the inner deodorizing ring is in the range of 2 to 5 mm and is surrounded by the honeycomb frame of the inner deodorizing ring. was in the range area of 17.99～112.49Mm ² vents, porous length of honeycomb frame of one side of the outer deodorizing ring is surrounded range of 1 to 2.5 mm, the honeycomb frame outer deodorization ring The area of the vent hole is in the range of 4.499 to 28.12 mm ² .

  As another example of the fan deodorizing device having the first and second features, the thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorizing ring is the thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorizing ring. The thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorizing ring is in the range of 3 to 5 mm, and the thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorizing ring is in the range of 1 to 3 mm.

  As another example of the fan deodorizing device having the first and second features, a mixture of a thermoplastic synthetic resin melted by a deodorizing ring and activated carbon powder adsorbing an odor component is poured into a predetermined mold. Made from that.

  As another example of the fan deodorizing device having the first and second features, a deodorizing catalyst that oxidatively decomposes odor components is supported on the porous honeycomb frame of the deodorizing ring.

  According to the fan deodorizer having the first feature, when the fan blades rotate, the air that has entered the fan through the rear blade guard is blown to the front of the fan through the vent holes of the deodorizing ring. When passing through the deodorizing ring, air contacts each porous honeycomb frame of the deodorizing ring, so that the odor component, tobacco odor and nonenal odor contained in the air can be adsorbed to the porous honeycomb frame, and the air Odor components, tobacco odors, and nonenal odors can be reliably removed in the deodorizing ring. The deodorizer for fans can remove odor components, tobacco odors, and nonenal odors contained in the air by the deodorization ring, so it is possible to create clean air using a fan, and clean it as well as blowing air from the fan. Air can be sent to the front of the fan.

  When the deodorizing ring is projected backward in the front-rear direction from the outer peripheral edge toward the inner peripheral edge, and the fitting part of the outer peripheral edge is fitted to the guard bar of the rear blade guard that is curved so as to be gradually separated from the blade, the deodorizing ring The deodorizing equipment for fans in which these porous honeycomb frames are located along the guard bar of the rear blade guard entered the electric fan from the rear blade guard because those porous honeycomb frames of the deodorizing ring are parallel to the guard bar of the rear blade guard. Air passes through the entire area of the deodorizing ring, and the air contacts the porous honeycomb frame in the entire area of the deodorizing ring, so that odor components, tobacco odors, and noneal odors contained in the air are transferred to the porous honeycomb frame in the entire area of the deodorizing ring. It can be adsorbed, and odor components, tobacco odors, and nonenal odors in the air can be reliably removed in the deodorizing ring. . The deodorizer for electric fans can adsorb odorous components, tobacco odors, and nonenal odors contained in the air to the porous honeycomb frame, and creates a large amount of air that removes odorous components, tobacco odors, and nonenal odors by the deodorizing ring. be able to.

  The porous honeycomb frame of the deodorizing ring is connected straight from the inner periphery to the outer periphery of the deodorizing ring, and the fitting portion of the outer periphery is fitted to the guard bar of the rear blade guard that curves so as to gradually approach the blade. Sometimes, the deodorizing appliance for a fan in which the porous honeycomb frame of the deodorizing ring is located near the blades, when the porous honeycomb frame of the deodorizing ring is positioned near the blades, the air flow becomes stronger in the vicinity of the blades. Allows a large amount of air to pass through the deodorizing ring, thereby allowing a large amount of air to contact each porous honeycomb frame of the deodorizing ring. The deodorizer for electric fans can adsorb odorous components, tobacco odors, and nonenal odors contained in the air to the porous honeycomb frame, and creates a large amount of air that removes odorous components, tobacco odors, and nonenal odors by the deodorizing ring. be able to.

  According to the deodorizer for a fan having the second feature, when the fan blades rotate, air enters the fan from the rear blade guard through the vent holes of the deodorizing ring and is blown forward of the fan. When the air passes through the deodorizing ring, the air comes into contact with each porous honeycomb frame of the deodorizing ring, so that the odor component, tobacco odor and nonenal odor contained in the air can be adsorbed to the porous honeycomb frame, and the air The odor component, tobacco odor and nonenal odor contained in can be reliably removed in the deodorizing ring. The deodorizer for fans can remove odor components, tobacco odors, and nonenal odors contained in the air by the deodorization ring, so it is possible to create clean air using a fan, and clean it as well as blowing air from the fan. Air can be sent to the front of the fan.

  When the deodorizing ring is projected rearward in the front-rear direction from the outer peripheral edge to the inner peripheral edge, and the fitting part of the inner peripheral edge is fitted to the guard bar of the rear blade guard that is curved so as to be gradually separated from the blade, the deodorizing ring The deodorizer for fans in which these porous honeycomb frames are positioned along the guard bars of the rear blade guards, the air is uniformly distributed over the entire area of the deodorizing ring because those porous honeycomb frames of the deodorizing rings are parallel to the guard bars of the rear blade guards. The air passes through and contacts the porous honeycomb frame in the entire area of the deodorizing ring, so that the odor components, tobacco odors, and nonenal odors contained in the air can be adsorbed to the honeycomb frame in the entire area of the deodorizing ring and are contained in the air. Odor components, tobacco odors and nonenal odors can be reliably removed in the deodorizing ring. The deodorizer for electric fans can adsorb odor components, tobacco odors, and nonenal odors contained in the air to the honeycomb frame, and the deodorization ring can produce a large amount of air that removes odor components, tobacco odors, and nonenal odors. it can.

  When the porous honeycomb frame of the deodorizing ring is connected in a straight line from the inner peripheral edge of the deodorizing ring toward the outer peripheral edge, and the fitting portion of the inner peripheral edge is fitted to the guard bar of the rear blade guard, The deodorizing tool for a fan that separates backward from the guard bar of the rear blade guard that curves so that the porous honeycomb frame that is positioned gradually approaches the blades, when the porous honeycomb frame is separated backward from the guard bar of the rear blade guard, Since air at a low flow rate passes through the deodorizing ring due to the air flow that becomes weaker as it moves away from the blades, air is passed to each porous honeycomb frame of the deodorizing ring for a longer time than when air at a high flow rate passes through the deodorizing ring. Can be contacted. Fan deodorizers can adsorb odorous components, tobacco odors, and nonenal odors contained in the air to the porous honeycomb frame, and can create air that removes odorous components, tobacco odors, and nonenal odors by a deodorizing ring. it can.

A deodorizer for a fan in which the length of one side of the porous honeycomb frame is in the range of 1 to 5 mm and the area of the air holes surrounded by the honeycomb frame is in the range of 4.499 to 112.49 mm ² is the porous honeycomb frame. By making the length of one side of the frame within the above range, a large number of honeycomb frames are made in the deodorizing ring, so that the odor components contained in the air, tobacco odors, and nonenal odors are brought into contact with the many honeycomb frames. The honeycomb frame can be adsorbed, and the odor component, cigarette odor and nonenal odor contained in the air can be surely removed in the deodorizing ring. The deodorizer for electric fans can remove odor components, tobacco odors, and nonenal odors contained in the air with a large number of porous honeycomb frames of the deodorizing ring, so it is possible to create clean air using an electric fan. It is possible to send clean air to the front of the electric fan at the same time as blowing by the electric fan.

  The deodorizing tool for a fan in which the thickness dimension in the front-rear direction of the porous honeycomb frame is in the range of 1 to 5 mm can increase the specific surface area of the honeycomb frame by setting the thickness dimension of the porous honeycomb frame in the above range. The deodorizing function of the deodorizing ring can be improved. A deodorizing device for electric fans can adsorb a lot of odor components, tobacco odors and nonenal odors by bringing air into contact with a porous honeycomb frame having a large specific surface area. Odor and nonenal odor can be reliably removed in the deodorizing ring.

  The deodorizing ring is formed of an inner deodorizing ring located on the inner peripheral edge side and an outer deodorizing ring located on the outer peripheral edge side, and the size of each porous honeycomb frame of the outer deodorizing ring is different from that of the inner deodorizing ring. The deodorizer for a fan is larger than that of the quality honeycomb frame, and the area of the vent hole surrounded by the honeycomb frame of the outer deodorizing ring is larger than the area of the vent hole surrounded by the honeycomb frame of the inner deodorizing ring. The air flow in the outer peripheral area of the blade is stronger than the center area of the blade, but by making the size of each honeycomb frame of the outer deodorizing ring larger than that of each honeycomb frame of the inner deodorizing ring, the outer deodorizing ring The air entering the fan is not obstructed, allowing air to flow smoothly into the fan, and the deodorizing ring removes odor components, tobacco odors, and nonenal odors. The the clean air can be smoothly blown. The deodorizing device for electric fans can remove odor components, tobacco odors, and nonenal odors contained in the air by bringing air into contact with each porous honeycomb frame of the outer deodorizing ring, and the size of each porous honeycomb frame. The honeycomb frame is densely formed in the inner deodorizing ring, which is smaller than that of the outer deodorizing ring, so that many odor components, tobacco odors, and nonenal odors can be adsorbed to the inner deodorizing ring, and the odor contained in the air. Ingredients, tobacco odors, and nonenal odors can be reliably removed in the deodorizing ring.

The length of one side of the porous honeycomb frame of the inner deodorizing ring is in the range of 1 to 2.5 mm, the area of the vent surrounded by the honeycomb frame of the inner deodorizing ring is in the range of 4.499 to 28.12 mm ² , Deodorizing for a fan in which the length of one side of the porous honeycomb frame of the outer deodorizing ring is in the range of 2 to 5 mm, and the area of the air vent surrounded by the honeycomb frame of the outer deodorizing ring is in the range of 17.99 to 112.49 mm ² The air flow in the outer peripheral region is stronger than the central region of the fan blades, but by making the length of one side of the porous honeycomb frame and the area of the vent hole within the above ranges, each porous member of the outer deodorizing ring The size of the quality honeycomb frame is larger than that of each porous honeycomb frame of the inner deodorizing ring, and the outer deodorizing ring does not become an obstacle to the air entering the fan, and the air flows smoothly into the fan Can, it is possible to blowing clean air from the fan. The deodorizing device for electric fans can remove odor components, tobacco odors, and nonenal odors contained in the air by bringing air into contact with each porous honeycomb frame of the outer deodorizing ring, and the size of each porous honeycomb frame. The honeycomb frame is densely formed in the inner deodorizing ring, which is smaller than that of the outer deodorizing ring, so that many odor components, tobacco odors, and nonenal odors can be adsorbed to the inner deodorizing ring, and the odor contained in the air. Ingredients, tobacco odors, and nonenal odors can be reliably removed in the deodorizing ring.

  The thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorization ring is larger than the thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorization ring, and the thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorization ring is 3 to 3. The deodorizer for a fan that is in the range of 5 mm and the thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorizing ring is 1 to 3 mm, the size of each porous honeycomb frame of the outer deodorizing ring is the inner deodorizing ring The specific surface area of the honeycomb frame of the outer deodorizing ring is increased by making the thickness dimension of the honeycomb frame of the outer deodorizing ring larger than that of the honeycomb frame of the inner deodorizing ring. And the deodorizing function of the outer deodorizing ring can be improved. The deodorizing device for electric fans has many odor components and tobacco odors in each honeycomb frame by bringing air into contact with the porous honeycomb frame of the outer deodorizing ring having a large thickness and the porous honeycomb frame of the inner deodorizing ring having a small size. It is possible to adsorb a nonenal odor, and to reliably remove odor components, tobacco odor and nonenal odor contained in the air in the deodorizing ring.

  The deodorizing ring is formed of an inner deodorizing ring located on the inner peripheral edge side and an outer deodorizing ring located on the outer peripheral edge side, and the size of each porous honeycomb frame of the inner deodorizing ring is different from that of each outer deodorizing ring. The deodorizing device for a fan is larger than that of the quality honeycomb frame, and the area of the vent hole surrounded by the honeycomb frame of the inner deodorizing ring is larger than the area of the vent hole surrounded by the honeycomb frame of the outer deodorizing ring. By making the size of each porous honeycomb frame smaller than that of each porous honeycomb frame of the inner deodorizing ring, the honeycomb frame can be densely formed on the outer deodorizing ring, and the deodorizing function of the outer deodorizing ring can be achieved. Can be improved. The deodorizer for electric fans can adsorb odor components, cigarette odors, and nonenal odors to the inner deodorizing ring, and a large amount of air passes through the outer deodorizing ring due to the strong air flow in the outer periphery of the fan blades. Many odor components, tobacco odors, and nonenal odors can be adsorbed to the outer deodorizing ring in which the porous honeycomb frame is densely formed, and the odor components, cigarette odors, and nonenal odors contained in the air are reliably removed in the deodorizing ring. Can be removed.

The length of one side of the porous honeycomb frame of the inner deodorizing ring is in the range of 2 to 5 mm, the area of the air vent surrounded by the honeycomb frame of the inner deodorizing ring is in the range of 17.99 to 112.49 mm ² , and the outer deodorizing is Deodorizing for a fan in which the length of one side of the porous honeycomb frame of the ring is in the range of 1 to 2.5 mm, and the area of the air vent surrounded by the honeycomb frame of the outer deodorizing ring is in the range of 4.499 to 28.12 mm ² The tool is such that the length of one side of the porous honeycomb frame and the area of the air holes are within the above ranges, so that the size of each porous honeycomb frame of the outer deodorizing ring is larger than that of each porous honeycomb frame of the inner deodorizing ring. As a result, the honeycomb frame can be densely formed on the outer deodorizing ring, and the deodorizing function of the outer deodorizing ring can be improved. The deodorizer for electric fans can adsorb odor components, cigarette odors, and nonenal odors to the inner deodorizing ring, and a large amount of air passes through the outer deodorizing ring due to the strong air flow in the outer periphery of the fan blades. Many odor components, tobacco odors, and nonenal odors can be adsorbed to the outer deodorizing ring in which the porous honeycomb frame is densely formed, and the odor components, cigarette odors, and nonenal odors contained in the air can be reliably removed Can be removed.

  The thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorization ring is larger than the thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorization ring, and the thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorization ring is 3 to 3. The deodorizing tool for a fan that is in the range of 5 mm and the thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorizing ring is 1 to 3 mm, the size of each porous honeycomb frame of the inner deodorizing ring is the outer deodorizing ring The specific surface area of the honeycomb frame of the inner deodorizing ring is increased by making the thickness dimension of the honeycomb frame of the inner deodorizing ring larger than that of the honeycomb frame of the outer deodorizing ring. The deodorizing function of the inner deodorizing ring can be improved. The deodorizing device for electric fans has many odor components and tobacco odors in each honeycomb frame by bringing air into contact with the porous honeycomb frame of the inner deodorizing ring having a large thickness and the porous honeycomb frame of the outer deodorizing ring having a small size. It is possible to adsorb a nonenal odor, and to reliably remove odor components, tobacco odor and nonenal odor contained in the air in the deodorizing ring.

  A deodorizing device for a fan made by pouring a mixture of a thermoplastic synthetic resin melted by a deodorizing ring and activated carbon powder that adsorbs odorous components into a predetermined mold, the deodorizing ring is mainly composed of activated carbon powder. Because it is made, many odor components, tobacco odors, and nonenal odors can be adsorbed on the porous honeycomb frame containing activated carbon, and the odor components, tobacco odors, and nonenal odors contained in the air are surely removed in the deodorizing ring. Can do.

  The deodorizing device for a fan in which a deodorizing catalyst for oxidizing and decomposing odor components is supported on the porous honeycomb frame of the deodorizing ring is a odor component contained in the air blown from the fan by the deodorizing catalyst supported on the porous honeycomb frame. Tobacco odor and nonenal odor are oxidatively decomposed, so not only the odor components, tobacco odor and nonenal odor contained in the air can be adsorbed on the deodorizing ring, but also the odor components, tobacco odor and nonenal odor are oxidized and decomposed. It can be made odorless, and the odor component, tobacco odor and nonenal odor contained in the air can be surely removed in the deodorization ring.

The front view of the deodorizing tool for electric fans shown as an example. The rear view of the deodorizing tool for electric fans. The partial enlarged plan view of the deodorizing tool for electric fans. The partial expansion perspective view of the deodorizing tool for electric fans. The front view of the electric fan which installed the deodorizing tool for electric fans. The rear perspective view of the electric fan which installed the deodorizing tool for electric fans. The side view of the electric fan which installed the deodorizing tool for electric fans. The expansion perspective view of a fitting part. The figure explaining the procedure which attaches the deodorizing tool of FIG. 1 to an electric fan. The front view of the deodorizing tool for electric fans shown as another example. The rear view of the deodorizing tool for electric fans of FIG. The partial expansion perspective view of the deodorizing tool for electric fans of FIG. The front view of the electric fan which installed the deodorizing tool for electric fans of FIG. The rear perspective view of the electric fan which installed the deodorizing tool for electric fans of FIG. The front view of the deodorizing tool for electric fans shown as another example. The rear view of the deodorizing tool for electric fans of FIG. The rear perspective view of the electric fan which installed the deodorizing tool for electric fans of FIG. The side view of the electric fan which installed the deodorizing tool for electric fans of FIG. The figure explaining the procedure which attaches the deodorizing tool of FIG. 15 to an electric fan. The front view of the deodorizing tool for electric fans shown as another example. The rear view of the deodorizing tool for electric fans of FIG. The elements on larger scale of the deodorizing tool for electric fans of FIG. The front view of the electric fan which installed the deodorizing tool for electric fans of FIG. The rear perspective view of the electric fan which installed the deodorizing tool for electric fans of FIG. The perspective view of the deodorizing tool for electric fans shown as another example. The side view of the electric fan which installed the deodorizing tool for electric fans of FIG. The perspective view of the deodorizing tool for electric fans shown as another example. The side view of the electric fan which installed the deodorizing tool for electric fans of FIG.

  The details of the fan deodorizer according to the present invention will be described below with reference to the accompanying drawings such as FIG. 1 which is a front view of the fan deodorizer 10A as an example. 2 is a rear view of the deodorizer 10A for a fan, and FIG. 3 is a partially enlarged plan view of the deodorizer 10A for a fan. FIG. 4 is a partially enlarged perspective view of the deodorizer 10A for a fan, and FIG. 5 is a front view of the fan 11 provided with the deodorizer 10A for a fan. FIG. 6 is a rear perspective view of the fan 11 provided with the fan deodorizer 10A, and FIG. 7 is a side view of the fan 11 provided with the fan deodorizer 10A. FIG. 8 is an enlarged perspective view of the fitting portion 19.

  The fan deodorizing tool 10 </ b> A is detachably attached to a guard bar 28 (immediately before the rear blade guard 24) of the rear blade guard 24 of the fan 11, and is used to remove odors contained in the air passing through the fan 11. 10 A of deodorizing tools for electric fans are equipped with the deodorizing ring 12, the cyclic | annular inner side frame 13, and the cyclic | annular outer side frame 14, and have the circular center opening 15 larger than the circular center opening 27 of the rear-blade guard 24 of the electric fan 11. . The deodorizing ring 12 is made of activated carbon powder and a thermoplastic synthetic resin (binder). The deodorizing ring 12 is made by mixing activated carbon powder with a thermoplastic synthetic resin heated and melted to form a mixture, and then pouring the mixture into a predetermined mold (mold) to solidify the resin.

The activated carbon powder has a specific surface area of about 300 to 5000 m ² / g and has a high odor adsorbing function (including a function of adsorbing radioactive substances such as iodine and cesium). The activated carbon powder is made by finely pulverizing activated carbon and has an average particle size in the range of 5 to 10 μm. Activated carbon processed into activated carbon powder is made from coconut shells, sawdust, hard wood chips, charcoal, grass charcoal and the like. As the thermoplastic synthetic resin, phenol resin, acrylic resin, oil carbon, polypropylene resin, polyethylene resin, or the like can be used. The mixing ratio of the activated carbon powder with respect to the thermoplastic synthetic resin is 80 to 180% by weight of the activated carbon powder with respect to 100% by weight of the thermoplastic synthetic resin, preferably 100 to 150% by weight of the activated carbon powder with respect to 100% by weight of the thermoplastic synthetic resin. It is.

  As shown in FIG. 3, the deodorizing ring 12 includes a plurality of porous honeycomb frames 16 formed in a honeycomb shape (regular hexagonal shape), and a plurality of air holes 17 surrounded by the honeycomb frame 16. The deodorizing ring 12 forms an arc so as to protrude rearward in the front-rear direction (backward of the fan 11) from the outer frame 14 (outer peripheral edge 35) toward the inner frame 13 (inner peripheral edge 34). Curved toward 13. The honeycomb frames 16 are connected in series between the inner frame 13 (inner peripheral edge 34) and the outer frame 14 (outer peripheral edge 35). The honeycomb frame 16 is all made in the same shape and size, and the vent hole 17 is made in the same shape and size.

In the deodorizing ring 12, the length L1 of one side of the porous honeycomb frame 16 is in the range of 1 to 5 mm, and the area S1 of the air holes 17 surrounded by the honeycomb frame 16 is in the range of 4.499 to 112.49 mm ² . It is in. When the length L1 of one side of the porous honeycomb frame 16 is less than 1 mm and the area S1 of the vent hole 17 is less than 4.499 mm ² , the opening area of the vent hole 17 is small, and the honeycomb frame 16 is densely packed in the deodorizing ring 12. However, the honeycomb frame 16 becomes resistance of air passing through the vent hole 17, and a predetermined amount of air may not be smoothly blown from the fan 11. When the length L1 of one side of the porous honeycomb frame 16 exceeds 5 mm and the area S1 of the air holes 17 exceeds 112.49 mm ² , the opening area of the air holes 17 becomes larger than necessary, and the deodorizing ring 12 The number of formed honeycomb frames 16 is small, and a sufficient amount of air cannot be brought into contact with the honeycomb frames 16, and odor components and tobacco odor contained in the air using the deodorizing ring 12 (honeycomb frame 16), Can not remove the nonenal odor.

  In the deodorizing ring 12, the length L1 of one side of the porous honeycomb frame 16 is in the above range, and the area S1 of the vent hole 17 is in the above range, so that the honeycomb frame 16 becomes the resistance of air passing through the vent hole 17. In addition, a predetermined amount of air can be smoothly blown from the electric fan 11, and a sufficient amount of air can be brought into contact with the honeycomb frame 16, and odor components, tobacco odors, and nonenal odors contained in the air can be prevented. The deodorizing ring 12 (aggregate of activated carbon powders forming the honeycomb frame 16) can be reliably adsorbed.

  In the deodorizing ring 12, the thickness dimension M1 in the front-rear direction of the porous honeycomb frame 16 is in the range of 1 to 5 mm. When the thickness dimension M1 of the porous honeycomb frame 16 is less than 1 mm, the thickness of the honeycomb frame 16 is thin, the specific surface area of the honeycomb frame 16 cannot be increased, the amount of air in contact with the honeycomb frame 16 is reduced, and deodorization is performed. The ring 12 (porous honeycomb frame 16) cannot be used to remove odor components, tobacco odor, and nonenal odor contained in the air. When the thickness dimension M1 of the porous honeycomb frame 16 exceeds 5 mm, the thickness dimension M1 of the honeycomb frame 16 becomes thicker than necessary, and the honeycomb frame 16 becomes the resistance of the air passing through the vent holes 17, and a predetermined amount from the electric fan 11 is reached. There are cases where air cannot be smoothly blown.

  In the deodorizing ring 12, since the thickness dimension M1 of the porous honeycomb frame 16 is in the above range, the honeycomb frame 16 does not become a resistance of the air passing through the vent hole 17, and a predetermined amount of air is smoothly supplied from the fan 11. Air can be blown, and a sufficient amount of air can be brought into contact with the honeycomb frame 16 to remove odor components, tobacco odors, and nonenal odors contained in the air. ).

  Of the porous honeycomb frame 16 of the deodorizing ring 12, the honeycomb frame 16 extending toward the inner frame 13 (the inner frame when the deodorizing ring 12 extending between the inner frame 13 and the outer frame 14 is equally divided in the radial direction) The honeycomb frame 16 in the inner region of the deodorizing ring 12 extending to the side 13 (honeycomb frame 16 half of the inner side of the deodorizing ring 12) and the deodorizing ring 12 extending between the inner frame 13 and the outer frame 14 in the radial direction. When equally divided, the honeycomb frame 16 in the innermost region of the deodorizing ring 12 extending to the inner frame 13 side (honeycomb frame 16 of the inner third of the deodorizing ring 12)) has an odor component, tobacco odor, and nonenal odor. A deodorizing catalyst for oxidative decomposition is supported. The deodorizing catalyst may not be supported on the honeycomb frame 16 of the deodorizing ring 12.

  The deodorization catalyst that oxidatively decomposes odorous components includes a deodorization catalyst for copper ion-supported zeolite, a deodorization catalyst for active manganese dioxide-copper ion-supported zeolite, a copper oxide (copper oxide or cuprous oxide) -deodorization catalyst for copper ion-supported zeolite, Existing manganese dioxide-copper ion-supported zeolite-copper oxide (copper oxide or cuprous oxide) deodorization catalyst, ruthenium catalyst containing ruthenium oxide, and the like can be used.

  An example of a procedure for producing a copper ion-supported zeolite deodorization catalyst and a procedure for supporting the catalyst on the honeycomb frame 16 are as follows. After adding water to the copper ion supported zeolite and wet mixing them, silica sol is mixed with the aqueous solution to make a deodorizing catalyst paint. Next, after applying the deodorizing catalyst paint to the honeycomb frame 16, the deodorizing catalyst paint is dried to form a coating layer of the deodorizing catalyst on the surface of the honeycomb frame 16.

  An example of the preparation procedure of the deodorization catalyst of the active manganese dioxide-copper ion-supported zeolite and the support procedure of the catalyst on the honeycomb frame 16 are as follows. After blending activated manganese dioxide with copper ion-supporting zeolite, adding water and wet mixing them, silica sol is mixed with the aqueous solution to make a deodorizing catalyst paint. Next, after applying the deodorizing catalyst paint to the honeycomb frame 16, the deodorizing catalyst paint is dried to form a coating layer of the deodorizing catalyst on the surface of the honeycomb frame 16.

  An example of a preparation procedure of a copper oxide (copper oxide or cuprous oxide) -copper ion-supported zeolite deodorizing catalyst and a supporting procedure of the catalyst on the honeycomb frame 16 are as follows. Copper ion supported zeolite is blended with copper oxide (copper oxide or cuprous oxide), water is added and they are wet mixed, and then silica sol is mixed with the aqueous solution to make a deodorizing catalyst paint. Next, after applying the deodorizing catalyst paint to the honeycomb frame 16, the deodorizing catalyst paint is dried to form a coating layer of the deodorizing catalyst on the surface of the honeycomb frame 16.

  An example of a preparation procedure of an active manganese dioxide-copper ion-supported zeolite-copper oxide (copper oxide or cuprous oxide) oxidatively degradable deodorization catalyst and a support procedure of the catalyst on the honeycomb frame 16 are as follows. An active manganese dioxide is mixed with a copper ion-supporting zeolite and copper oxide or cuprous oxide, and after adding water and wet mixing, silica sol is added and mixed to produce an oxidatively degradable deodorizing catalyst paint. Next, after applying the deodorizing catalyst paint to the honeycomb frame 16, the deodorizing catalyst paint is dried to form a coating layer of the deodorizing catalyst on the surface of the honeycomb frame 16.

In order to support the ruthenium catalyst on the honeycomb frame 16, an aqueous solution of ruthenium trichloride hydrate (RuCl ₃ .3H ₂ O) is applied to the honeycomb frame 16, the aqueous solution is dried, and then the honeycomb frame 16 is removed. Heat to 80 ° C. to oxidize ruthenium trichloride to ruthenium oxide. Ruthenium oxide exhibits an oxidizing action on organic compounds such as saturated hydrocarbons, olefins, diols, acetylenes, aromatic ring compounds, alcohols, ethers, and organic sulfur compounds. In particular, not only compounds with low boiling points such as hydrogen sulfide, mercaptans, and aldehydes, but also oxidative decomposition, such as isoprene, ketones, lower organic acids and phenols, which are odor components of tobacco smoke, are usually oxidized. Difficult organic compounds can also be oxidatively decomposed.

  The inner frame 13 extends to the inner peripheral edge 34 of the deodorizing ring 12. The inner frame 13 may be formed integrally with the deodorizing ring 12 by a mold, or may be made separately from the deodorizing ring 12. When the inner frame 13 is made separately from the deodorizing ring 12, the inner frame 13 is made of a thermoplastic synthetic resin (phenol resin, acrylic resin, polypropylene resin, polyethylene resin, etc.), and the inner frame 13 is made of the deodorizing ring 12. It is fused to the inner peripheral edge 34.

  The outer frame 14 extends to the outer peripheral edge 35 of the deodorizing ring 12. The outer frame 14 may be integrally formed with the deodorizing ring 12 by a mold, or may be made separately from the deodorizing ring 12. When the outer frame 14 is made separately from the deodorizing ring 12, the outer frame 14 is made of a thermoplastic synthetic resin (phenol resin, acrylic resin, polypropylene resin, polyethylene resin, etc.), and the outer frame 14 is made of the deodorizing ring 12. It is fused to the outer peripheral edge 35.

  On the rear surface 18 (opposite surface facing the guard bar 28 of the outer frame 14) of the outer frame 14 (outer peripheral edge 35), four fitting portions 19 that are detachably fitted to the guard bar 28 of the rear blade guard 24 are formed. ing. The fitting portion 19 is made of an elastically deformable thermoplastic synthetic resin. When the outer frame 14 is integrally formed with the deodorizing ring 12, it is fixed to the frame 14 with an adhesive, and the outer frame 14 is a separate body. Is fixed to the frame 14 by adhesive or fusion. The fitting portions 19 are fixed to the guard bar 28 by sandwiching the peripheral surface of the guard bar 28 of the rear blade guard 24. The fitting portion 19 has an inlet portion 20 that abuts on each other and a sandwiching portion 21 that is spaced apart from each other. The fitting parts 19 are arranged 90 ° apart from each other in the direction around the outer frame 14, but the number of the fitting parts 19 is not limited, and five or more fitting parts 19 are provided on the rear surface 18 of the outer frame 14. May be made.

  FIG. 9 is a diagram illustrating a procedure for attaching the deodorizing tool 10 </ b> A to the electric fan 11. To attach the deodorizing tool 10 </ b> A to the electric fan 11, the clip 23 of the front vane guard 22 of the electric fan 11 is turned to release the engagement between the front vane guard 22 and the rear vane guard 24, and the front vane guard 22 is removed from the electric fan 11. At the same time, the spinner 26 that fixes the blade 25 to the motor shaft of the electric fan 11 is rotated in the clockwise direction to remove the spinner 26 from the motor shaft. Next, the blade 25 is moved to the front of the motor shaft, the shaft hole of the blade 25 is removed from the motor shaft, the blade 25 is removed from the motor shaft, and the central opening 15 of the deodorizing tool 10A is inserted through the motor shaft, The opening 15 is aligned with the central opening 27 of the rear blade guard 24. Further, as indicated by an arrow X <b> 1 in FIG. 8, the inlet portion 20 of each fitting portion 19 formed on the rear surface 18 of the outer frame 14 is pressed against the guard bar 28 of the rear blade guard 24.

  When the inlet portion 20 of the fitting portion 19 is pressed against the guard bar 28, as shown by an arrow X2 in FIG. 8, the inlet portions 20 are elastically deformed and opened apart from each other, and the guard bar 28 passes through the inlet portion 20. Enter the clamping portion 21. When the guard bar 28 enters the sandwiching portion 21, the entrance portion 20 comes into contact, the sandwiching portion 21 sandwiches the guard bar 28, and the deodorizing tool 10 </ b> A is attached to the rear blade guard 24 via the fitting portion 19. On the contrary, when the deodorizing tool 10A is pulled in front of the guard bar 28 of the rear blade guard 24 (in the direction away from the guard bar 28), the guard bar 28 advances from the sandwiching portion 21 to the inlet portion 20 and the inlet portion 20 is elastically deformed. It opens so that it may mutually space apart, the fitting part 19 is extracted from the guard bar 28, and 10 A of deodorizing tools can be removed from the back blade | wing guard 24. FIG.

  After the deodorizing tool 10A is attached to the rear blade guard 24, the shaft hole of the blade 25 is inserted into the motor shaft, the spinner 26 is rotated counterclockwise, and the spinner 26 is screwed onto the motor shaft. The guard ring 29 and the guard ring 30 of the rear blade guard 24 are aligned, and the clip 23 of the front blade guard 22 is turned to engage the front blade guard 22 and the rear blade guard 24.

  When the deodorizing tool 10 </ b> A is attached to the rear blade guard 24, the deodorizing ring 12 is disposed between the blade 25 and the rear blade guard 24. The guard bar 28 of the rear blade guard 24 is curved so as to gradually approach the blade 24 from the motor shaft side toward the outer peripheral region of the blade 25. Therefore, when the fitting portion 19 of the outer frame 14 is fitted to the guard bar 28, the porous honeycomb frame 16 of the deodorizing ring 12 is positioned along the guard bar 28 of the rear blade guard 25.

  After attaching the deodorizing tool 10A to the electric fan 11, when the switch of the electric fan 11 is turned ON, the motor shaft is rotated by the motor, the blades 25 are rotated, and air enters the electric fan 11 from the rear of the rear blade guard 24. The air that has entered the electric fan 11 from behind the rear blade guard 24 is blown to the front of the electric fan 11 through the vent hole 17 of the deodorizing ring 12. When the air passes through the deodorizing ring 12, it comes into contact with each porous honeycomb frame 16 of the deodorizing ring 12, and the main component is an odor component (nitrogen-containing compound such as ammonia, trimethylamine, triethylamine, and trialamine) contained in the air. Basic odor components, sulfur-containing compounds such as hydrogen sulfide, methyl sulfide, methyl disulfide, methyl mercaptan, and neutral odor components mainly composed of aldehydes such as formaldehyde, acetaldehyde, butyraldehyde, valeraldehyde, propionaldehyde, An acidic odor component mainly composed of lower fatty acids such as formic acid, acetic acid, propionic acid and valeric acid, toluene, xylene, butanol, methyl isobutyl ketone), tobacco odor and nonenal odor are adsorbed by the honeycomb frame 16. In addition, when the deodorizing catalyst is carry | supported by the honeycomb frame 16 extended to the inner frame 13 side of the deodorizing ring 12, the odor component, tobacco odor, and nonenal odor contained in the air are oxidatively decomposed by the deodorizing catalyst.

  In the fan deodorizing tool 10A, when the blades 25 of the fan 11 are rotated, the air that has entered the fan 11 from the rear blade guard 24 is blown to the front of the fan 11 through the vent holes 17 of the deodorizing ring 12. Since air contacts each honeycomb frame 16 of the deodorizing ring 12 when passing through the deodorizing ring 12, odor components, tobacco odors, and nonenal odors contained in the air can be adsorbed to the honeycomb frame and included in the air. The odor component, cigarette odor, and nonenal odor can be reliably removed by the deodorizing ring 12.

  In the deodorizing tool 10 </ b> A for the electric fan, the porous honeycomb frame 16 of the deodorizing ring 12 is positioned along the guard bar 28 of the rear blade guard 24, so that the honeycomb frame 16 of the deodorizing ring 12 becomes the guard bar 28 of the rear blade guard 24. Therefore, the air that has entered the electric fan 11 from the rear blade guard 24 passes through the entire area of the deodorizing ring 12, the air contacts the porous honeycomb frame 16 in the entire area of the deodorizing ring 12, and the odor components contained in the air Tobacco odor and nonenal odor can be adsorbed on the honeycomb frame 16 in the entire area of the deodorizing ring 12, and odor components, cigarette odor, and nonenal odor contained in the air can be surely removed in the deodorizing ring 12. Since the deodorizing tool 10A for a fan can remove odor components, tobacco odors, and nonenal odors contained in the air by the deodorizing ring 12, it can make clean air using the fan 11 and blow air from the fan 11. At the same time, clean air can be sent to the front of the electric fan 11.

  FIG. 10 is a front view of a fan deodorizing tool 10B shown as another example, and FIG. 11 is a rear view of the fan deodorizing tool 10B. FIG. 12 is a partially enlarged perspective view of the deodorizer 10B for a fan, and FIG. 13 is a front view of the fan 11 provided with the deodorizer 10B for a fan. FIG. 14 is a rear perspective view of the electric fan 11 provided with the electric fan deodorizing tool 10B.

  Similarly to the deodorizing tool 10A, the fan deodorizing tool 10B is detachably attached to the guard bar 28 of the rear blade guard 24 of the electric fan 11 (immediately before the rear blade guard 24), so that the odor contained in the air passing through the electric fan 11 is removed. Used for removal. The fan deodorizing tool 10 </ b> B includes a deodorizing ring 12, an annular inner frame 13 extending to the inner peripheral edge of the deodorizing ring 12, and an annular outer frame 14 extending to the outer peripheral edge of the deodorizing ring 12. The circular central opening 15 is larger than the 24 circular central openings 27.

  The deodorizing ring 12 is formed of an inner deodorizing ring 12A located on the inner frame 13 (inner peripheral edge 34) side and an outer deodorizing ring 12B located on the outer frame 14 (outer peripheral edge 35) side. The inner deodorizing ring 12A and the outer deodorizing ring 12B are connected by an annular connecting portion 31 extending between the rings 12A and 12B. The inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are made of activated carbon powder and a thermoplastic synthetic resin (binder).

  The inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are prepared by mixing activated carbon powder with a thermoplastic synthetic resin that has been heated and melted to form a mixture, and then pouring the mixture into a predetermined mold (mold). Made from solidifying. Therefore, the inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are integrally formed. The activated carbon powder is the same as that used for the deodorizing ring 12 of FIG. The mixing ratio of the activated carbon powder to the thermoplastic synthetic resin is the same as that of the deodorizing ring 12 of FIG.

  The inner frame 13 and the outer frame 14 may be integrally formed with the deodorizing ring 12 by a mold, or may be made separately from the deodorizing ring 12. When the inner frame 13 and the outer frame 14 are made separately from the deodorizing ring 12, the frames 13, 14 are made of a thermoplastic synthetic resin (phenol resin, acrylic resin, polypropylene resin, polyethylene resin, etc.), and the inner frame 13 is fused to the inner peripheral edge 34 of the deodorizing ring 12, and the outer frame 14 is fused to the outer peripheral edge 35 of the deodorizing ring 12. On the rear surface 18 of the outer frame 14 (opposite surface facing the guard bar 28 of the outer frame 14), four fitting portions 19 are formed that are detachably fitted to the guard bar 28 of the rear blade guard 24. The fitting part 19 is the same as that of the deodorizing tool 10A (see FIG. 8).

  The inner deodorizing ring 12A has a plurality of porous honeycomb frames 16A formed in a honeycomb shape (regular hexagonal shape), and a plurality of air holes 17A surrounded by the honeycomb frame 16A. The inner deodorizing ring 12 </ b> A forms an arc so as to protrude backward in the front-rear direction (backward of the fan 11) from the connecting portion 31 toward the inner frame 13, and is curved toward the inner frame 13 from the connecting portion 31. These porous honeycomb frames 16 </ b> A are connected in series between the inner frame 13 and the connecting portion 31. The honeycomb frame 16A has all the same shape and size, and the vent hole 17A has all of the same shape and size.

  The outer deodorizing ring 12B has a plurality of porous honeycomb frames 16B formed in a honeycomb shape, and a plurality of vent holes 17B surrounded by the honeycomb frame 16B. The outer deodorizing ring 12 </ b> B forms an arc so as to protrude rearward in the front-rear direction (rear of the fan 11) from the outer frame 14 toward the connecting portion 31, and is curved toward the connecting portion 31 from the outer frame 14. Therefore, the deodorizing ring 12 forms an arc so as to protrude rearward in the front-rear direction (rear of the fan 11) from the outer frame 14 (outer peripheral edge 35) toward the inner frame 13 (inner peripheral edge 34). Curved toward the inner frame 13. These porous honeycomb frames 16 </ b> B are connected in series between the connecting portion 31 and the outer frame 14. The honeycomb frame 16B is all made in the same shape and size, and the vent hole 17B is made in the same shape and size.

  In this deodorizer 10B for an electric fan, the size of each porous honeycomb frame 16B of the outer deodorizing ring 12B is larger than that of each porous honeycomb frame 16A of the inner deodorizing ring 12A (one side of the honeycomb frame 16B of the outer deodorizing ring 12B). Is larger than the length L2 of one side of the honeycomb frame 16A of the inner deodorizing ring 12A), and the area S3 of the air holes 17B surrounded by the honeycomb frame 16B of the outer deodorizing ring 12B is the honeycomb frame of the inner deodorizing ring 12A. It is larger than the area S2 of the vent hole 17A surrounded by 16A. Further, the thickness dimension M3 in the front-rear direction of the porous honeycomb frame 16B of the outer deodorizing ring 12B is larger than the thickness dimension M2 in the front-rear direction of the porous honeycomb frame 16A of the inner deodorizing ring 12A.

  In the deodorizing tool 10B for a fan, the honeycomb frame 16A is densely formed in the inner deodorizing ring 12A in which the size of the porous honeycomb frame 16A is smaller than that of the outer deodorizing ring 12B. Therefore, the number of the porous honeycomb frames 16A formed per unit area of the inner deodorizing ring 12A is larger than that of the porous honeycomb frames 16B formed per unit area of the outer deodorizing ring 12B.

In the inner deodorizing ring 12A, the length L2 of one side of the porous honeycomb frame 16A is in the range of 1 to 2.5 mm, and the area S2 of the vent hole 17A surrounded by the honeycomb frame 16A is 4.499 to 28.12 mm. It is in the range of ² . In the outer deodorizing ring 12B, the length L3 of one side of the porous honeycomb frame 16B is in the range of 2 to 5 mm, and the area S3 of the air holes 17B surrounded by the honeycomb frame 16B is 19.99 to 112.49 mm ² . Is in range.

When the length L2 of one side of the porous honeycomb frame 16A of the inner deodorizing ring 12A is less than 1 mm and the area S2 of the vent hole 17A is less than 4.499 mm ² , the opening area of the vent hole 17A is small, and the inner deodorizing ring 12A The honeycomb frame 16A is densely packed, and the honeycomb frame 16A of the inner deodorizing ring 12A becomes a resistance of air passing through the vent hole 17A, so that a predetermined amount of air may not be smoothly blown from the fan 11. When the length L3 of one side of the porous honeycomb frame 16B of the outer deodorizing ring 12B exceeds 5 mm and the area S3 of the vent hole 17B exceeds 112.49 mm ² , the opening area of the vent hole 17B becomes larger than necessary. The number of honeycomb frames 16B formed on the outer deodorizing ring 12B is small, a sufficient amount of air cannot be brought into contact with the honeycomb frame 16B, and the odor contained in the air using the deodorizing ring 12B (honeycomb frame 16B) Ingredients, tobacco odors, and nonenal odors cannot be removed.

  The inner deodorizing ring 12A and the outer deodorizing ring 12B have the lengths L2 and L3 of one side of the porous honeycomb frames 16A and 16B within the above range, and the areas S2 and S3 of the vent holes 17A and 17B are within the above range. The frames 16A and 16B do not become the resistance of the air passing through the vent holes 17A and 17B, and a predetermined amount of air can be smoothly blown from the fan 11, and a sufficient amount of air is supplied to the honeycomb frames 16A and 16B. And the odor component, tobacco odor and nonenal odor contained in the air can be reliably adsorbed to the deodorization ring 12 (aggregate of activated carbon powders forming the honeycomb frames 16A and 16B).

  In the inner deodorizing ring 12A, the thickness dimension M2 in the front-rear direction of the porous honeycomb frame 16A is in the range of 1 to 3 mm. In the outer deodorizing ring 12B, the thickness dimension M3 in the front-rear direction of the porous honeycomb frame 16B is in the range of 3 to 5 mm. If the thickness dimension M2 of the honeycomb frame 16A of the inner deodorizing ring 12A is less than 1 mm, the honeycomb frame 16A is thin, the specific surface area of the honeycomb frame 16A cannot be increased, and the amount of air contacting the honeycomb frame 16A is small. Therefore, it is not possible to remove odor components, tobacco odors, and nonenal odors contained in the air by using the deodorizing ring 12 (an aggregate of activated carbon powders forming the honeycomb frames 16A and 16B). When the thickness dimension M3 of the honeycomb frame 16B of the outer deodorizing ring 12B exceeds 5 mm, the thickness dimension M3 of the honeycomb frame 16B becomes unnecessarily thick, and the honeycomb frame 16B becomes the resistance of the air passing through the vent holes 17B. There are cases where a predetermined amount of air cannot be smoothly blown.

  In the inner deodorizing ring 12A and the outer deodorizing ring 12B, the thickness dimensions M2 and M3 of the porous honeycomb frames 16A and 16B are in the above range, so that the honeycomb frames 16A and 16B serve as resistance of air passing through the vent holes 17A and 17B. In addition, a predetermined amount of air can be smoothly blown from the electric fan 11, and a sufficient amount of air can be brought into contact with the honeycomb frames 16A and 16B. The odor can be reliably adsorbed to the deodorizing ring 12 (an aggregate of activated carbon powders forming the honeycomb frames 16A and 16B).

  In this deodorizer 10B for an electric fan, a deodorizing catalyst for oxidizing and decomposing odor components may be carried on the honeycomb frame 16A of the inner deodorizing ring 12A, and no deodorizing catalyst is carried on the honeycomb frame 16A of the inner deodorizing ring 12A. Also good. The deodorizing catalyst is the same as that used for the deodorizing tool 10A.

  The procedure for attaching the deodorizing tool 10B to the rear blade guard 24 of the electric fan 11 is the same as that of the deodorizing tool 10A of FIG. When the deodorizing tool 10 </ b> B is attached to the rear blade guard 24, the deodorizing ring 12 (inner and outer deodorizing rings 12 </ b> A and 12 </ b> B) is disposed between the blade 25 and the rear blade guard 24. When the fitting portion 19 of the outer frame 14 is fitted to the guard bar 28, the porous honeycomb frames 16A and 16B of the deodorizing ring 12 (inner and outer deodorizing rings 12A and 12B) are positioned along the guard bar 28 of the rear blade guard 25. To do.

  The air that has entered the fan 11 from behind the rear blade guard 24 is blown to the front of the fan 11 through the vent holes 17A and 17B of the inner deodorizing ring 12A and the outer deodorizing ring 12B. When the air passes through the inner deodorizing ring 12A and the outer deodorizing ring 12B, the air comes into contact with the porous honeycomb frames 16A and 16B of the deodorizing rings 12A and 12B, and odor components, tobacco odor, and noneal odor contained in the air are present. It is adsorbed by the honeycomb frames 16A and 16B. When the deodorizing catalyst is supported on the honeycomb frame 16 of the inner deodorizing ring 12A, the odor component, cigarette odor and nonenal odor contained in the air are oxidized and decomposed by the deodorizing catalyst.

  In the fan deodorizing tool 10B, the air flow in the outer peripheral region of the blade 25 is stronger than the central region of the blade 25 of the fan 11, but the size of each porous honeycomb frame 16B of the outer deodorizing ring 12B is set to the inner deodorizing ring. By making it larger than that of each honeycomb frame 16A of 12A, the outer deodorizing ring 12B does not become an obstacle to the air entering the fan 11, the air can smoothly flow into the fan 11, and the air is deodorized. When the air passes through the rings 12A and 12B, the air comes into contact with the honeycomb frames 16A and 16B of the deodorizing rings 12A and 12B. Therefore, the deodorizing rings 12A and 12B can remove clean odor components, tobacco odors and nonenal odors. Air can be smoothly blown.

  The deodorizing tool 10B for a fan can remove odor components contained in air in the deodorizing ring 12B by bringing air into contact with each porous honeycomb frame 16B of the outer deodorizing ring 12B. Since the honeycomb frame 16A is densely formed in the inner deodorizing ring 12A whose size is smaller than that of the outer deodorizing ring 12B, and the number of the honeycomb frames 16A per unit area of the deodorizing ring 12A is large, a large amount of odor is generated in the deodorizing ring 12A. Ingredients, tobacco odors, and nonenal odors can be adsorbed, and odor components, tobacco odors, and nonenal odors contained in the air can be reliably removed by the deodorizing rings 12A and 12B.

  In the deodorizer 10B for a fan, the size of each porous honeycomb frame 16B of the outer deodorizing ring 12B is larger than that of each honeycomb frame 16A of the inner deodorizing ring 12A, but the thickness dimension M3 of the honeycomb frame 16B of the outer deodorizing ring 12B. Is made larger than that of the honeycomb frame 16A of the inner deodorizing ring 12A, the specific surface area of the honeycomb frame 16B of the outer deodorizing ring 12B can be increased, and the deodorizing function of the deodorizing ring 12B can be improved.

  The deodorizing tool 10B for a fan has a large amount of contact with each of the honeycomb frames 16A and 16B by bringing air into contact with the honeycomb frame 16B of the outer deodorizing ring 12B having a large thickness dimension M3 and the honeycomb frame 16A of the inner deodorizing ring 12A having a small size. It can adsorb odor components, tobacco odors, and nonenal odors, and can surely remove odor components, tobacco odors, and nonenal odors contained in the air in the deodorizing ring 12, and at the same time as the fan 11 blows, clean air. The air can be supplied to the front of the electric fan 11.

  FIG. 15 is a front view of a fan deodorizing tool 10C as another example, and FIG. 16 is a rear view of the fan deodorizing tool 10C. FIG. 17 is a rear perspective view of the fan 11 provided with the fan deodorizing tool 10C, and FIG. 18 is a side view of the fan 11 provided with the fan deodorizing tool 10C. The fan deodorizing tool 10 </ b> C is detachably attached to the guard bar 28 (immediately after the rear blade guard 24) of the rear blade guard 24 of the fan 11, and is used to remove odors contained in the air entering the fan 11. The deodorizing tool 10 </ b> C for the electric fan includes a deodorizing ring 12, an annular inner frame 13 that extends to the inner peripheral edge 34 of the deodorizing ring 12, and an annular outer frame 14 that extends to the outer peripheral edge 35 of the deodorizing ring 12. It has a circular central opening 15 that is larger than the circular central opening 27 of the vane guard 24.

  The deodorizing ring 12 is made of activated carbon powder and a thermoplastic synthetic resin (binder). The deodorizing ring 12 is made by mixing activated carbon powder with a thermoplastic synthetic resin heated and melted to form a mixture, and then pouring the mixture into a predetermined mold (mold) to solidify the resin. The activated carbon powder is the same as that used for the deodorizing ring 12 of FIG. The mixing ratio of the activated carbon powder to the thermoplastic synthetic resin is the same as that of the deodorizing ring 12 of FIG.

  The inner frame 13 and the outer frame 14 may be integrally formed with the deodorizing ring 12 by a mold, or may be made separately from the deodorizing ring 12. When the inner frame 13 and the outer frame 14 are made separately from the deodorizing ring 12, the frames 13, 14 are made of a thermoplastic synthetic resin (phenol resin, acrylic resin, polypropylene resin, polyethylene resin, etc.), and the inner frame 13 is fused to the inner peripheral edge 34 of the deodorizing ring 12, and the outer frame 14 is fused to the outer peripheral edge 35 of the deodorizing ring 12. On the front surface 32 of the inner frame 13 (opposite surface facing the guard bar 28 of the inner frame 13), four fitting portions 19 that are detachably fitted to the guard bar 28 of the rear blade guard 24 are formed. The fitting part 19 is the same as that of the deodorizing tool 10A (see FIG. 8).

  The deodorizing ring 12 includes a plurality of porous honeycomb frames 16 formed in a honeycomb shape (regular hexagonal shape), and a plurality of ventilation holes 17 surrounded by the honeycomb frame 16. The deodorizing ring 12 forms an arc so as to protrude rearward in the front-rear direction (backward of the fan 11) from the outer frame 14 (outer peripheral edge 35) toward the inner frame 13 (inner peripheral edge 34). Curved toward 13. The honeycomb frames 16 are connected in series between the inner frame 13 and the outer frame 14. The honeycomb frame 16 is all made in the same shape and size, and the vent hole 17 is made in the same shape and size.

The length L1 of one side of the porous honeycomb frame 16 of the deodorizing ring 12 is in the range of 1 to 5 mm, and the area S1 of the air holes 17 surrounded by the honeycomb frame 16 is 4.499 to 112.49 mm ² . It is in range (see FIG. 3). The reason why the length L1 of one side of the honeycomb frame 16 and the area S1 of the vent hole 17 are within the above ranges is the same as those of the deodorizing ring 12 of FIG. In the deodorizing ring 12, the length L1 of one side of the honeycomb frame 16 is in the above range, and the area S1 of the vent hole 17 is in the above range, so that the honeycomb frame 16 becomes a resistance of the air passing through the vent hole 17. In addition, a predetermined amount of air can be smoothly blown from the electric fan 11, and a sufficient amount of air can be brought into contact with the honeycomb frame 16, and odor components contained in the air are removed from the deodorizing ring 12 (the honeycomb frame 16. It can be reliably adsorbed on the aggregate of the activated carbon powder to be made.

  The thickness dimension M1 in the front-rear direction of the porous honeycomb frame 16 of the deodorizing ring 12 is in the range of 1 to 5 mm (see FIG. 4). The reason why the thickness dimension M1 of the honeycomb frame 16 is in the above range is the same as that of the deodorizing ring 12 of FIG. In the deodorizing ring 12, since the thickness dimension M1 of the honeycomb frame 16 is in the above range, the honeycomb frame 16 does not become a resistance of air passing through the vent hole 17, and a predetermined amount of air is smoothly blown from the fan 11. In addition, a sufficient amount of air can be brought into contact with the honeycomb frame 16, and odor components contained in the air can be reliably adsorbed to the deodorizing ring 12 (an aggregate of activated carbon powder that forms the honeycomb frame 16). it can.

  In the deodorizing tool 10C for an electric fan, the honeycomb frame 16 (the inner frame 13 and the outer frame 14) extending toward the inner frame 13 of the porous honeycomb frame 16 of the deodorizing ring 12 as in the deodorizing tool 10A of FIG. When the deodorizing ring 12 extending in between is bisected in the radial direction, the honeycomb frame 16 in the inner region of the deodorizing ring 12 extending to the inner frame 13 side (the honeycomb frame 16 that is 1/2 of the inner side of the deodorizing ring 12), the inner frame When the deodorizing ring 12 extending between the outer frame 14 and the outer frame 14 is divided into three equal parts in the radial direction, the honeycomb frame 16 in the innermost region of the deodorizing ring 12 extending toward the inner frame 13 (the inner one third of the deodorizing ring 12). The honeycomb frame 16)) may be loaded with a deodorizing catalyst for oxidizing and decomposing odor components, and the honeycomb frame 16 of the deodorizing ring 12 is loaded with a deodorizing catalyst. May or may not. The deodorizing catalyst is the same as that used for the deodorizing tool 10A.

  FIG. 19 is a diagram illustrating a procedure for attaching the deodorizing tool 10 </ b> C of FIG. 15 to the electric fan 11. The procedure for attaching the deodorizing tool 10C to the electric fan 11 is as follows. The clip 23 of the front blade guard 22 of the electric fan 11 is turned to release the engagement between the front blade guard 22 and the rear blade guard 24, the front blade guard 22 is removed from the electric fan 11, and the blade 25 is moved to the motor shaft of the electric fan 11. Rotate the spinner 26 to be fixed in the clockwise direction to remove the spinner 26 from the motor shaft. The blade 25 is moved to the front of the motor shaft, the shaft hole of the blade 25 is removed from the motor shaft, and the blade 25 is removed from the motor shaft. Then, the tightening ring 33 is rotated counterclockwise to move the tightening ring 33 to the motor. The rear blade guard 24 is removed from the screw part of the motor case while being removed from the screw part of the case.

  Next, the deodorizing tool 10C is arranged behind the rear blade guard 24 while the central opening 15 of the deodorizing tool 10C is aligned with the central opening 27 of the rear blade guard 24, and each fitting formed on the front surface 32 of the inner frame 13 is performed. The inlet portion 20 of the portion 19 is pressed against the guard bar 28 of the rear blade guard 24. When the inlet portion 20 of the fitting portion 19 is pressed against the guard bar 28, the inlet portions 20 are elastically deformed to open apart from each other, and the guard bar 28 enters the clamping portion 21 through the inlet portion 20. When the guard bar 28 enters the sandwiching portion 21, the entrance portion 20 comes into contact, the sandwiching portion 21 sandwiches the guard bar 28, and the deodorizing tool 10 </ b> C is attached to the rear of the rear blade guard 24 via the fitting portion 19. Conversely, when the deodorizing tool 10C is pulled behind the guard bar 28 of the rear blade guard 24 (in the direction away from the guard bar 28), the guard bar 28 advances from the sandwiching portion 21 to the inlet portion 20, and the inlet portion 20 is elastically deformed. It opens so that it may mutually space apart, the fitting part 19 is extracted from the guard bar 28, and the deodorizing tool 10C can be removed from the back blade | wing guard 24. FIG.

  After attaching the deodorizing tool 10C to the rear blade guard 24, the rear blade guard 24 is inserted into the screw portion of the motor case, and the tightening ring 33 is rotated clockwise to screw the tightening ring 33 into the screw portion of the motor case. The rear blade guard 24 is fixed to the motor case with the tightening ring 33. Next, the shaft hole of the blade 25 is inserted into the motor shaft, the spinner 26 is rotated counterclockwise and the spinner 26 is screwed onto the motor shaft, and the guard ring 29 of the front blade guard 22 and the rear blade guard 24 are The position with the guard ring 30 is adjusted, and the clip 23 of the front blade guard 22 is turned to engage the front blade guard 22 and the rear blade guard 24.

  When the deodorizing tool 10 </ b> C is attached to the rear blade guard 24, the deodorizing ring 12 is disposed immediately after the rear blade guard 24. The guard bar 28 of the rear blade guard 24 is curved so as to gradually approach the blade 25 from the motor shaft side toward the outer peripheral region of the blade 25. Therefore, when the fitting portion 19 of the inner frame 13 is fitted to the guard bar 28 of the rear blade guard 24, the honeycomb frames 16 of the deodorizing ring 12 are positioned along the guard bar 28 of the rear blade guard 25.

  When the blades 25 of the fan 11 rotate, the air enters the fan 11 from the rear blade guard 24 through the vent hole 17 of the deodorizing ring 12 and is blown to the front of the fan 11. When the air passes through the deodorizing ring 12 of the deodorizing tool 10 </ b> C, it comes into contact with each porous honeycomb frame 16 of the deodorizing ring 12, and the odor component, tobacco odor, and noneal odor contained in the air are adsorbed by the honeycomb frame 16. The In addition, when the deodorizing catalyst is carry | supported by the honeycomb frame 16 extended to the inner frame 13 side of the deodorizing ring 12, the odor component, tobacco odor, and nonenal odor contained in the air are oxidatively decomposed by the deodorizing catalyst.

  In the fan deodorizing tool 10C, when the blades 25 of the fan 11 rotate, the air enters the fan 11 from the rear blade guard 24 through the vent hole 17 of the deodorizing ring 12, and is blown forward of the fan 11. When the air passes through the deodorizing ring 12, the air comes into contact with the porous honeycomb frames 16 of the deodorizing ring 12, so that the odor component, tobacco odor and nonenal odor contained in the air can be adsorbed to the honeycomb frame 16. The deodorizing ring 12 can reliably remove odor components, tobacco odors, and nonenal odors contained in the air.

  In the deodorizing tool for fan 10 </ b> C, the honeycomb frame 16 of the deodorizing ring 12 is positioned along the guard bar 28 of the rear blade guard 24 so that the honeycomb frame 16 of the deodorizing ring 12 becomes the guard bar 28 of the rear blade guard 24. Since the air passes through the entire area of the deodorizing ring 12, the air contacts the porous honeycomb frame 16 in the entire area of the deodorizing ring 12, and the odor components, tobacco odor, and nonenal odor contained in the air are removed from the deodorizing ring 12. The honeycomb frame 16 can be adsorbed in the entire area, and the odor component, tobacco odor and nonenal odor contained in the air can be surely removed by the deodorizing ring 12. Since the deodorizing tool 10C for a fan can remove odor components, tobacco odors, and nonenal odors contained in the air by the deodorizing ring 12, it can make clean air using the fan 11, and it can be blown by the fan 11. At the same time, clean air can be sent to the front of the electric fan 11.

  FIG. 20 is a front view of a fan deodorizing tool 10D shown as another example, and FIG. 21 is a rear view of the fan deodorizing tool 10D. FIG. 22 is a partially enlarged perspective view of the deodorizer 10D for a fan, and FIG. 23 is a front view of the fan 11 in which the deodorizer 10D for a fan is installed. FIG. 24 is a rear perspective view of the electric fan 11 in which the electric fan deodorizing tool 10D is installed.

  Similarly to the deodorizing tool 10C, the fan deodorizing tool 10D is detachably attached to the guard bar 28 of the rear blade guard 24 of the fan 11 (immediately after the rear blade guard 24), so that the odor contained in the air entering the fan 11 is removed. Used for removal. The deodorizing tool for electric fan 10 </ b> D includes a deodorizing ring 12, an annular inner frame 13 that extends to the inner peripheral edge 34 of the deodorizing ring 12, and an annular outer frame 14 that extends to the outer peripheral edge 35 of the deodorizing ring 12. It has a circular central opening 15 that is larger than the circular central opening 27 of the vane guard 24.

  The deodorizing ring 12 is formed of an inner deodorizing ring 12A located on the inner frame 13 side and an outer deodorizing ring 12B located on the outer frame 14 side. The inner deodorizing ring 12A and the outer deodorizing ring 12B are connected by an annular connecting portion 31 extending between the deodorizing rings 12A and 12B. The inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are made of activated carbon powder and a thermoplastic synthetic resin (binder).

  The inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are prepared by mixing activated carbon powder with a thermoplastic synthetic resin that has been heated and melted to form a mixture, and then pouring the mixture into a predetermined mold (mold). Made from solidifying. Therefore, the inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are integrally formed. The activated carbon powder is the same as that used for the deodorizing ring 12 of FIG. The mixing ratio of the activated carbon powder to the thermoplastic synthetic resin is the same as that of the deodorizing ring 12 of FIG.

  The inner frame 13 and the outer frame 14 may be integrally formed with the deodorizing ring 12 by a mold, or may be made separately from the deodorizing ring 12. When the inner frame 13 and the outer frame 14 are made separately from the deodorizing ring 12, the frames 13, 14 are made of a thermoplastic synthetic resin (phenol resin, acrylic resin, polypropylene resin, polyethylene resin, etc.), and the inner frame 13 is fused to the inner peripheral edge 34 of the deodorizing ring 12, and the outer frame 14 is fused to the outer peripheral edge 35 of the deodorizing ring 12. On the front surface 32 of the inner frame 13 (opposite surface facing the guard bar 28 of the inner frame 13), four fitting portions 19 that are detachably fitted to the guard bar 28 of the rear blade guard 24 are formed. The fitting part 19 is the same as that of the deodorizing tool 10A (see FIG. 8).

  The inner deodorizing ring 12A has a plurality of porous honeycomb frames 16A formed in a honeycomb shape (regular hexagonal shape), and a plurality of air holes 17A surrounded by the honeycomb frame 16A. The inner deodorizing ring 12 </ b> A forms an arc so as to protrude backward in the front-rear direction (backward of the fan 11) from the connecting portion 31 toward the inner frame 13, and is curved toward the inner frame 13 from the connecting portion 31. The honeycomb frames 16 </ b> A are connected in series between the inner frame 13 and the connecting portion 31. The honeycomb frame 16A has all the same shape and size, and the vent hole 17A has all of the same shape and size.

  The outer deodorizing ring 12B has a plurality of porous honeycomb frames 16B formed in a honeycomb shape, and a plurality of vent holes 17B surrounded by the honeycomb frame 16B. The outer deodorizing ring 12 </ b> B forms an arc so as to protrude rearward in the front-rear direction (rear of the fan 11) from the outer frame 14 toward the connecting portion 31, and is curved toward the connecting portion 31 from the outer frame 14. Therefore, the deodorizing ring 12 forms an arc so as to protrude rearward in the front-rear direction (rear of the fan 11) from the outer frame 14 (outer peripheral edge 35) toward the inner frame 13 (inner peripheral edge 34). Curved toward the inner frame 13. The honeycomb frames 16 </ b> B are connected in series between the connecting portion 31 and the outer frame 14. The honeycomb frame 16B is all made in the same shape and size, and the vent hole 17B is made in the same shape and size.

  In this deodorizer 10D for an electric fan, the size of each porous honeycomb frame 16A of the inner deodorizing ring 12A is larger than that of each honeycomb frame 16B of the outer deodorizing ring 12B (the length of one side of the honeycomb frame 16A of the inner deodorizing ring 12A). L2 is larger than the length L3 of one side of the honeycomb frame 16B of the outer deodorizing ring 12B), and the area S2 of the air holes 17A surrounded by the honeycomb frame 16A of the inner deodorizing ring 12A is formed in the honeycomb frame 16B of the outer deodorizing ring 12B. It is larger than the area S3 of the enclosed vent hole 17B. Furthermore, the thickness dimension M2 in the front-rear direction of the honeycomb frame 16A of the inner deodorizing ring 12A is larger than the thickness dimension M3 in the front-rear direction of the honeycomb frame 16B of the outer deodorizing ring 12B.

  In the deodorizer 10D for an electric fan, the honeycomb frame 16B is densely formed in the outer deodorizing ring 12B in which the size of the porous honeycomb frame 16B is smaller than that of the inner deodorizing ring 12A. Therefore, the number of honeycomb frames 16B formed per unit area of the outer deodorizing ring 12B is larger than that of the honeycomb frames 16A formed per unit area of the inner deodorizing ring 12A.

In the inner deodorizing ring 12A, the length L2 of one side of the porous honeycomb frame 16A is in the range of 2 to 5 mm, and the area S2 of the air holes 17A surrounded by the honeycomb frame 16A is 19.99 to 112.49 mm ² . Is in range. In the outer deodorizing ring 12B, the length L3 of one side of the porous honeycomb frame 16B is in the range of 1 to 2.5 mm, and the area S3 of the vent hole 17B surrounded by the honeycomb frame 16B is 4.499 to 28.12 mm. It is in the range of ² .

When the length L3 of one side of the porous honeycomb frame 16B of the outer deodorizing ring 12B is less than 1 mm and the area S3 of the vent hole 17B is less than 4.499 mm ² , the opening area of the vent hole 17B is small, and in the outer deodorizing ring 12B The honeycomb frame 16B is densely packed, and the honeycomb frame 16B of the outer deodorizing ring 12B becomes a resistance of air passing through the vent hole 17B, so that a predetermined amount of air may not be smoothly blown from the fan 11. When porous honeycomb frame 16A of one side length L2 of the inner deodorizing ring 12A is the area S2 of the vents 17A with excess of 5mm exceeds 112.49mm ^2, becomes larger than necessary opening area of the vent hole 17A, The number of honeycomb frames 16A formed on the inner deodorizing ring 12A is small, a sufficient amount of air cannot be brought into contact with the honeycomb frame 16A, and the odor contained in the air using the deodorizing ring 12A (honeycomb frame 16A) Ingredients cannot be removed.

  The inner deodorizing ring 12A and the outer deodorizing ring 12B have the lengths L2 and L3 of one side of the porous honeycomb frames 16A and 16B within the above range, and the areas S2 and S3 of the vent holes 17A and 17B are within the above range. The frames 16A and 16B do not become the resistance of the air passing through the vent holes 17A and 17B, and a predetermined amount of air can be smoothly blown from the fan 11, and a sufficient amount of air is supplied to the honeycomb frames 16A and 16B. And the odor component, tobacco odor and nonenal odor contained in the air can be reliably adsorbed to the deodorization ring 12 (aggregate of activated carbon powders forming the honeycomb frames 16A and 16B).

  In the inner deodorizing ring 12A, the thickness dimension M2 in the front-rear direction of the porous honeycomb frame 16A is in the range of 3 to 5 mm. In the outer deodorizing ring 12B, the thickness dimension M3 in the front-rear direction of the porous honeycomb frame 16B is in the range of 1 to 3 mm. When the thickness dimension M2 of the honeycomb frame 16A of the inner deodorizing ring 12A exceeds 5 mm, the thickness dimension M2 of the honeycomb frame 16A becomes unnecessarily thick, and the honeycomb frame 16A becomes the resistance of the air passing through the ventilation holes 17A. A predetermined amount of air cannot be smoothly blown. If the thickness dimension M3 of the honeycomb frame 16B of the outer deodorizing ring 12B is less than 1 mm, the honeycomb frame 12B is thin, the specific surface area of the honeycomb frame 16B cannot be increased, and the amount of air contacting the honeycomb frame 16B is small. The deodorizing ring 12B (honeycomb frame 16BA) cannot be used to remove odor components, tobacco odors and nonenal odors contained in the air.

  In the inner deodorizing ring 12A and the outer deodorizing ring 12B, the thickness dimensions M2 and M3 of the porous honeycomb frames 16A and 16B are in the above range, so that the honeycomb frames 16A and 16B serve as resistance of air passing through the vent holes 17A and 17B. In addition, a predetermined amount of air can be smoothly blown from the electric fan 11, and a sufficient amount of air can be brought into contact with the honeycomb frames 16A and 16B. The odor can be reliably adsorbed to the deodorizing ring 12 (an aggregate of activated carbon powders forming the honeycomb frames 16A and 16B).

  In this deodorizer 10D for an electric fan, a deodorizing catalyst for oxidizing and decomposing odor components may be carried on the honeycomb frame 16A of the inner deodorizing ring 12A, and no deodorizing catalyst is carried on the honeycomb frame 16A of the inner deodorizing ring 12A. Also good. The deodorizing catalyst is the same as that used for the deodorizing tool 10A.

  The procedure for attaching the deodorizing tool 10D to the rear blade guard 24 of the electric fan 11 is the same as that of the deodorizing tool 10C of FIG. When the deodorizing tool 10 </ b> D is attached to the rear blade guard 24, the deodorizing ring 12 (inner and outer deodorizing rings 12 </ b> A and 12 </ b> B) is disposed immediately after the rear blade guard 24. When the fitting portion 19 of the inner frame 13 is fitted to the guard bar 28, the honeycomb frames 16 A and 16 B of the deodorizing ring 12 (inner and outer deodorizing rings 12 A and 12 B) are positioned along the guard bar 28 of the rear blade guard 25.

  When the blades 25 of the fan 11 rotate, air enters the fan 11 from the rear blade guard 24 through the vent holes 17A and 17B of the inner deodorizing ring 12A and the outer deodorizing ring 12B, and is blown forward of the fan 11. When the air passes through the inner deodorizing ring 12A and the outer deodorizing ring 12B, the air comes into contact with the porous honeycomb frames 16A and 16B of the deodorizing rings 12A and 12B, and odor components, tobacco odor, and noneal odor contained in the air are present. It is adsorbed by the honeycomb frames 16A and 16B. When the deodorizing catalyst is supported on the honeycomb frame 16A of the inner deodorizing ring 12A, the odor component, tobacco odor and nonenal odor contained in the air are oxidized and decomposed by the deodorizing catalyst.

  The deodorizing tool 10D for the electric fan has the honeycomb frame 16B densely attached to the outer deodorizing ring 12B by making the size of each porous honeycomb frame 16B of the outer deodorizing ring 12B smaller than that of each honeycomb frame 16A of the inner deodorizing ring 12A. Therefore, the number of honeycomb frames 16B formed per unit area of the outer deodorizing ring 12B can be increased, and the deodorizing function of the outer deodorizing ring 12B can be improved. In the deodorizer 10D for an electric fan, the air flow in the outer peripheral region of the blade 25 is stronger than the central region of the blade 25 of the electric fan 11, the air flow rate in the outer peripheral region increases, and each honeycomb frame of the outer deodorizing ring 12B. A large amount of air can be brought into contact with 16B, and a large amount of clean air from which odor components, tobacco odors, and nonenal odors have been removed by these deodorizing rings 12A and 12B can be smoothly blown.

  In the deodorizing tool 10D for a fan, the size of each porous honeycomb frame 16A of the inner deodorizing ring 12A is larger than that of each honeycomb frame 16B of the outer deodorizing ring 12B, but the thickness dimension M2 of the honeycomb frame 16A of the inner deodorizing ring 12A. Is made larger than that of the honeycomb frame 16B of the outer deodorizing ring 12B, the specific surface area of the honeycomb frame 16B of the inner deodorizing ring 12A can be increased, and the deodorizing function of the inner deodorizing ring 12A can be improved. The deodorizing tool 10D for a fan can adsorb odor components, tobacco odors, and nonenal odors to the inner deodorizing ring 12A having a large thickness dimension M2, and a large amount of air due to the strong air flow in the outer peripheral region of the blades 25 of the fan 11. Passes through the outer deodorizing ring 12B, so that the outer deodorizing ring 12B in which the porous honeycomb frame 16B is densely formed can adsorb many odor components, tobacco odors and nonenal odors, and the odor components contained in the air. The cigarette odor and the nonenal odor can be reliably removed by the deodorizing rings 12A and 12B.

  FIG. 25 is a perspective view of a fan deodorizer 10E shown as another example, and FIG. 26 is a side view of the fan 11 provided with the fan deodorizer 10E. The deodorizing tool 10 </ b> E for the electric fan is detachably attached to a guard bar 28 (immediately before the rear vane guard 24) of the rear blade guard 24 of the electric fan 11, and is used for removing odor contained in the air passing through the electric fan 11. The fan deodorizing tool 10 </ b> E includes an annular deodorizing ring 12, an annular inner frame 13 that extends to the inner peripheral edge of the deodorizing ring 12, and an annular outer frame 14 that extends to the outer peripheral edge of the deodorizing ring 12. It has a circular central opening 15 that is larger than the circular central opening 27 of the vane guard 24.

  The inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are prepared by mixing activated carbon powder with a thermoplastic synthetic resin that has been heated and melted to form a mixture, and then pouring the mixture into a predetermined mold (mold). Made from solidifying. Therefore, the inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are integrally formed. The activated carbon powder is the same as that used for the deodorizing ring 12 of FIG. The mixing ratio of the activated carbon powder to the thermoplastic synthetic resin is the same as that of the deodorizing ring 12 of FIG.

  The inner frame 13 and the outer frame 14 may be integrally formed with the deodorizing ring 12 by a mold, or may be made separately from the deodorizing ring 12. When the inner frame 13 and the outer frame 14 are made separately from the deodorizing ring 12, the frames 13, 14 are made of a thermoplastic synthetic resin (phenol resin, acrylic resin, polypropylene resin, polyethylene resin, etc.), and the inner frame 13 is fused to the inner peripheral edge 34 of the deodorizing ring 12, and the outer frame 14 is fused to the outer peripheral edge 35 of the deodorizing ring 12. On the rear surface 18 of the outer frame 14 (opposite surface facing the guard bar 28 of the outer frame 14), four fitting portions 19 are formed that are detachably fitted to the guard bar 28 of the rear blade guard 24. The fitting part 19 is the same as that of the deodorizing tool 10A (see FIG. 8).

  The deodorizing ring 12 includes a plurality of porous honeycomb frames 16 formed in a honeycomb shape (regular hexagonal shape), and a plurality of ventilation holes 17 surrounded by the honeycomb frame 16. The honeycomb frames 16 are connected in series between the inner frame 13 (inner peripheral edge 34) and the outer frame 14 (outer peripheral edge 35), and are linear (straight) from the inner frame 13 toward the outer frame 14. It is connected to. Therefore, the deodorizing ring 12 extends in a straight line between the inner and outer frames 13 and 14 without being curved. The honeycomb frame 16 is all made in the same shape and size, and the vent hole 17 is made in the same shape and size. The length L1 of one side of the honeycomb frame 16, the area S1 of the vent holes 17, and the thickness dimension M1 in the front-rear direction of the honeycomb frame 16 are the same as those of the deodorizing tool 10A of FIG.

  Note that, similarly to the fan deodorizer 10E, the fan deodorizer 10B is connected to the honeycomb frame 16A in series between the inner frame 13 and the connecting portion 31 and linearly (directly) from the inner frame 13 to the connecting portion 31. The inner deodorizing ring 12A may extend in a straight line between the inner frame 13 and the connecting portion 31 without being curved. Further, the honeycomb frame 16B is connected in series between the connecting portion 31 and the outer frame 14, and is connected in a straight line (straight) from the connecting portion 31 to the outer frame 14, and the outer deodorizing ring 12B is not curved, The connecting portion 31 and the outer frame 14 may extend in a straight line.

  In the deodorizer 10E for an electric fan, among the honeycomb frames 16 of the deodorizing ring 12, the honeycomb frame 16 extending toward the inner frame 13 (the deodorizing ring 12 extending between the inner frame 13 and the outer frame 14 is divided into two equal parts in the radial direction). In this case, the deodorizing ring 12 extending between the inner frame 13 and the outer frame 14, the honeycomb frame 16 in the inner region of the deodorizing ring 12 extending toward the inner frame 13 (the honeycomb frame 16 ½ of the inner side of the deodorizing ring 12). Is divided into three equal parts in the radial direction, the innermost honeycomb frame 16 of the deodorizing ring 12 extending toward the inner frame 13 (the honeycomb frame 16 of the inner third of the deodorizing ring 12)) has an odor component or tobacco. A deodorizing catalyst that oxidizes and decomposes odors and nonenal odors may be carried, and a deodorizing catalyst may not be carried.

  The procedure for attaching the deodorizing tool 10E to the rear blade guard 24 of the electric fan 11 is the same as that of the deodorizing tool 10A of FIG. When the deodorizing tool 10 </ b> E is attached to the rear blade guard 24, the deodorizing ring 12 is disposed between the blade 25 and the rear blade guard 24. The guard bar 28 of the rear blade guard 24 is curved so as to gradually approach the blade 24 from the motor shaft side toward the outer peripheral region of the blade 25. Therefore, when the fitting portion 19 of the outer frame 14 is fitted to the guard bar 28, the honeycomb frames 16 of the deodorizing ring 12 are positioned near the blades 25 (immediately after the blades 25).

  The air that has entered the electric fan 11 from behind the rear blade guard 24 is blown to the front of the electric fan 11 through the vent hole 17 of the deodorizing ring 12. When the air passes through the deodorizing ring 12, the air comes into contact with the porous honeycomb frames 16 of the deodorizing ring 12, and the odor components, tobacco odor, and nonenal odor contained in the air are adsorbed by the honeycomb frame 16. In addition, when the deodorizing catalyst is carry | supported by the honeycomb frame 16 of the deodorizing ring 12, the odor component, tobacco odor, and nonenal odor contained in the air are oxidatively decomposed by the deodorizing catalyst. The flow of air in the central region of the blades 25 becomes weaker than the outer peripheral region of the blades 25 of the electric fan 11, and the air slowly passes through the deodorizing ring 12 extending toward the inner frame 13. In the deodorizer 10E for a fan, when the deodorizing catalyst is supported on the honeycomb frame 16 extending to the inner frame 13 side of the deodorizing ring 12, the contact time of the air with the deodorizing catalyst becomes long, and the deodorizing catalyst causes odor components and Cigarette odors and nonenal odors are reliably oxidatively decomposed.

  The deodorizing tool for an electric fan 10 </ b> E has the honeycomb frame 16 of the deodorizing ring 12 positioned near the blades 25 of the fan 11, so that a large amount of air passes through the deodorizing ring 12 due to the strong air flow in the vicinity of the blades 25. As a result, a large amount of air can be brought into contact with each honeycomb frame 16 of the deodorizing ring 12, and a large amount of air from which odor components, tobacco odors, and nonenal odors have been removed can be created. The deodorizer 10E for the electric fan can remove odor components, cigarette odors, and nonenal odors contained in the air by the deodorizing ring 12. Therefore, the fan 11 can be used to create clean air. At the same time, clean air can be sent to the front of the electric fan 11.

  FIG. 27 is a perspective view of a fan deodorizing tool 10F shown as another example, and FIG. 28 is a side view of the fan 11 provided with the fan deodorizing tool 10F. The fan deodorizing tool 10 </ b> F is detachably attached to the guard bar 28 (immediately after the rear blade guard 24) of the rear blade guard 24 of the fan 11, and is used to remove odors contained in the air entering the fan 11. The fan deodorizing tool 10 </ b> F includes an annular deodorizing ring 12, an annular inner frame 13 extending to the inner peripheral edge of the deodorizing ring 12, and an annular outer frame 14 extending to the outer peripheral edge of the deodorizing ring 12. It has a circular central opening 15 that is larger than the circular central opening 27 of the vane guard 24.

  The inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are prepared by mixing activated carbon powder with a thermoplastic synthetic resin that has been heated and melted to form a mixture, and then pouring the mixture into a predetermined mold (mold). Made from solidifying. Therefore, the inner deodorizing ring 12A, the outer deodorizing ring 12B, and the connecting portion 31 are integrally formed. The activated carbon powder is the same as that used for the deodorizing ring 12 of FIG. The mixing ratio of the activated carbon powder to the thermoplastic synthetic resin is the same as that of the deodorizing ring 12 of FIG.

  The inner frame 13 and the outer frame 14 may be integrally formed with the deodorizing ring 12 by a mold, or may be made separately from the deodorizing ring 12. When the inner frame 13 and the outer frame 14 are made separately from the deodorizing ring 12, the frames 13, 14 are made of a thermoplastic synthetic resin (phenol resin, acrylic resin, polypropylene resin, polyethylene resin, etc.), and the inner frame 13 is fused to the inner peripheral edge 34 of the deodorizing ring 12, and the outer frame 14 is fused to the outer peripheral edge 35 of the deodorizing ring 12. On the front surface 32 of the inner frame 13 (opposite surface facing the guard bar 28 of the inner frame 13), four fitting portions 19 that are detachably fitted to the guard bar 28 of the rear blade guard 24 are formed. The fitting part 19 is the same as that of the deodorizing tool 10A (see FIG. 8).

  The deodorizing ring 12 includes a plurality of porous honeycomb frames 16 formed in a honeycomb shape (regular hexagonal shape), and a plurality of ventilation holes 17 surrounded by the honeycomb frame 16. The honeycomb frames 16 are connected in series between the inner frame 13 (inner peripheral edge 34) and the outer frame 14 (outer peripheral edge 35), and are linear (straight) from the inner frame 13 toward the outer frame 14. It is connected to. Therefore, the deodorizing ring 12 extends in a straight line between the inner and outer frames 13 and 14 without being curved. The honeycomb frame 16 is all made in the same shape and size, and the vent hole 17 is made in the same shape and size. The length L1 of one side of the honeycomb frame 16, the area S1 of the vent holes 17, and the thickness dimension M1 in the front-rear direction of the honeycomb frame 16 are the same as those of the deodorizing tool 10C of FIG.

  The fan deodorizer 10D is also connected to the honeycomb frame 16A in a series between the inner frame 13 and the connecting portion 31 and linearly (directly) from the inner frame 13 to the connecting portion 31, like the fan deodorizer 10F. The inner deodorizing ring 12A may extend in a straight line between the inner frame 13 and the connecting portion 31 without being curved. Further, the honeycomb frame 16B is connected in series between the connecting portion 31 and the outer frame 14, and is connected in a straight line (straight) from the connecting portion 31 to the outer frame 14, and the outer deodorizing ring 12B is not curved, The connecting portion 31 and the outer frame 14 may extend in a straight line.

  In the deodorizing tool 10F for an electric fan, the honeycomb frame 16 extending toward the inner frame 13 among the honeycomb frames 16 of the deodorizing ring 12 (the deodorizing ring 12 extending between the inner frame 13 and the outer frame 14 is divided into two equal parts in the radial direction). In this case, the deodorizing ring 12 extending between the inner frame 13 and the outer frame 14, the honeycomb frame 16 in the inner region of the deodorizing ring 12 extending toward the inner frame 13 (the honeycomb frame 16 ½ of the inner side of the deodorizing ring 12). Is divided into three equal parts in the radial direction, the innermost honeycomb frame 16 of the deodorizing ring 12 extending toward the inner frame 13 (the honeycomb frame 16 of the inner third of the deodorizing ring 12)) has an odor component or tobacco. A deodorizing catalyst that oxidizes and decomposes odors and nonenal odors may be carried, and a deodorizing catalyst may not be carried.

  The attachment procedure of the deodorizing tool 10F to the rear blade guard 24 of the electric fan 11 is the same as that of the deodorizing tool 10C of FIG. When the deodorizing tool 10 </ b> F is attached to the rear blade guard 24, the deodorizing ring 12 is disposed immediately after the rear blade guard 24. The guard bar 28 of the rear blade guard 24 is curved so as to gradually approach the blade 25 from the motor shaft side toward the outer peripheral region of the blade 25. Therefore, when the fitting portion 19 of the inner frame 13 is fitted to the guard bar 28 of the rear blade guard 24, the rear blade guard 24 is positioned between the deodorizing ring 12 and the blade 25, and the honeycomb frames 16 of the deodorizing ring 12. Is separated rearward from the guard bar 28 of the rear blade guard 24.

  The air passes through the vent hole 17 of the deodorizing ring 12 and enters the electric fan 11 from the rear blade guard 24 and is blown forward of the electric fan 11. When the air passes through the deodorizing ring 12 of the deodorizing tool 10F, the air comes into contact with each porous honeycomb frame 16 of the deodorizing ring 12, and the odor component, tobacco odor, and nonenal odor contained in the air are adsorbed by the honeycomb frame 16. The In addition, when the deodorizing catalyst is carry | supported by the honeycomb frame 16 extended to the inner frame 13 side of the deodorizing ring 12, the odor component, tobacco odor, and nonenal odor contained in the air are oxidatively decomposed by the deodorizing catalyst.

  In the fan deodorizing tool 10F, when the blade 25 of the fan 11 rotates, the air enters the fan 11 from the rear blade guard 24 through the vent hole 17 of the deodorizing ring 12, and is blown forward of the fan 11. Since the air contacts each honeycomb frame 16 of the deodorizing ring 12 when passing through the deodorizing ring 12, the odor component, tobacco odor, and noneal odor contained in the air can be adsorbed to the honeycomb frame 16 and the air. The odor component, tobacco odor, and nonenal odor contained in the odor removal ring 12 can be removed.

  When the honeycomb frame 16 of the deodorizing ring 12 is separated rearward from the guard bar 28 of the rear vane guard 24, the deodorizing tool 10 </ b> F for the electric fan causes the air having a low flow rate to flow through the deodorizing ring 12 due to an air flow that becomes weaker as it is separated from the vane 25. Compared with the case where air having a high flow velocity passes through the deodorizing ring 12, the air can be brought into contact with each honeycomb frame 16 of the deodorizing ring 12 for a long time, and the odor components contained in the air, cigarette odor, and nonenal The odor can be surely removed. Since the deodorizing tool 10F for a fan can remove odor components, tobacco odors, and nonenal odors contained in the air by the deodorizing ring 12, the fan 11 can be used to create clean air. At the same time, clean air can be sent to the front of the electric fan 11.

10A Fan deodorizer 10B Fan deodorizer 10C Fan deodorizer 10D Fan deodorizer 10E Fan deodorizer 10F Fan deodorizer 11 Fan 12 Deodorizing ring 12A Inner deodorizing ring 12B Outer deodorizing ring 13 Central opening 16 Honeycomb frame 16A Honeycomb frame 16B Honeycomb frame 17 Vent hole 17A Vent hole 17B Vent hole 18 Rear surface 19 Fitting part 20 Entrance part 21 Clamping part 22 Front vane guard 23 Clip 24 Rear vane guard 25 Blade 26 Spinner 27 Central opening 28 Guard bar 29 Guard ring 30 Guard ring 31 Connecting portion 32 Front surface 33 Tightening ring L1 Length dimension L2 Length dimension L3 Length dimension M1 Thickness dimension M2 Thickness dimension M3 Thickness dimension S1 Area S2 Area S3 Surface

Claims (16)

  A plurality of porous honeycomb frames formed of a deodorizing ring that adsorbs odors contained in air, wherein the deodorizing ring is formed in a honeycomb shape and arranged in a series between an inner peripheral edge and an outer peripheral edge of the deodorizing ring; and A plurality of ventilation holes surrounded by a honeycomb frame and arranged in series between the inner peripheral edge and the outer peripheral edge of the deodorizing ring, and a fitting portion that is detachably fitted to a guard bar of the rear blade guard, A deodorizing device for a fan, which is formed on an outer peripheral edge of a deodorizing ring and is installed between a fan blade and a rear blade guard attached to the rear of the blade via the fitting portion.   In the deodorizing device for an electric fan, the deodorizing ring is projected rearward in the front-rear direction from the outer peripheral edge toward the inner peripheral edge, and the outer peripheral edge is fitted to a guard bar of the rear blade guard that is gradually curved away from the blade. The deodorizing apparatus for a fan according to claim 1, wherein the porous honeycomb frames of the deodorizing ring are positioned along a guard bar of the rear blade guard when the portions are fitted.   In the deodorizing device for an electric fan, the porous honeycomb frame of the deodorizing ring is directly connected from the inner peripheral edge to the outer peripheral edge of the deodorizing ring, and the guard bar of the rear blade guard that curves so as to gradually approach the blade. The deodorizing device for a fan according to claim 1, wherein the porous honeycomb frame of the deodorizing ring is positioned near the blade when the outer peripheral edge fitting portion is fitted.   A plurality of porous honeycomb frames formed of a deodorizing ring that adsorbs odors contained in air, wherein the deodorizing ring is formed in a honeycomb shape and arranged in a series between an inner peripheral edge and an outer peripheral edge of the deodorizing ring; and A plurality of ventilation holes surrounded by a honeycomb frame and arranged in series between the inner peripheral edge and the outer peripheral edge of the deodorizing ring, and a fitting portion that is detachably fitted to a guard bar of the rear blade guard, A deodorizing device for a fan, which is formed immediately after a rear blade guard formed on an inner peripheral edge of a deodorizing ring and attached to the rear of a fan blade via the fitting portion.   In the deodorizing device for an electric fan, the deodorizing ring protrudes backward in the front-rear direction from the outer peripheral edge toward the inner peripheral edge, and the inner peripheral edge is fitted to a guard bar of the rear blade guard that is curved so as to be gradually separated from the blade. The deodorizing tool for a fan according to claim 4, wherein the porous honeycomb frames of the deodorizing ring are positioned along a guard bar of the rear blade guard when the portions are fitted.   In the deodorizer for an electric fan, the porous honeycomb frames of the deodorizing ring are connected in a straight line from the inner peripheral edge to the outer peripheral edge of the deodorizing ring, and the fitting portion of the inner peripheral edge is fitted to the guard bar of the rear blade guard. The deodorizing tool for a fan according to claim 4, wherein, when combined, the porous honeycomb frame positioned on the outer peripheral edge side is separated rearward from a guard bar of the rear blade guard that is curved so as to gradually approach the blade. . The length of one side of the porous honeycomb frame is in the range of 1 to 5 mm, and the area of the air holes surrounded by the honeycomb frame is in the range of 4.499 to 112.49 mm ^2. Item 7. The deodorizer for a fan according to any one of Items 6 to 6.   The deodorizing tool for an electric fan according to any one of claims 1 to 7, wherein a thickness dimension of the porous honeycomb frame in the front-rear direction is in a range of 1 to 5 mm.   The deodorizing ring is formed of an inner deodorizing ring located on the inner peripheral edge side and an outer deodorizing ring located on the outer peripheral edge side. In the deodorizer for a fan, each porous honeycomb of the outer deodorizing ring The size of the frame is larger than that of each porous honeycomb frame of the inner deodorizing ring, and the area of the vent hole surrounded by the honeycomb frame of the outer deodorizing ring is the vent hole surrounded by the honeycomb frame of the inner deodorizing ring The deodorizer for electric fans in any one of Claims 1 thru | or 8 larger than the area of. The length of one side of the porous honeycomb frame of the inner deodorizing ring is in the range of 1 to 2.5 mm, and the area of the vent hole surrounded by the honeycomb frame of the inner deodorizing ring is 4.499 to 28.12 mm ² . In the range, the length of one side of the porous honeycomb frame of the outer deodorizing ring is in the range of 2 to 5 mm, and the area of the air vent surrounded by the honeycomb frame of the outer deodorizing ring is in the range of 19.99 to 112.49 mm. The fan deodorizer according to claim 9, which is in the range of ² .   The thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorization ring is larger than the thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorization ring, and the thickness in the front-rear direction of the porous honeycomb frame of the outer deodorization ring The deodorizing tool for a fan according to claim 9 or 10, wherein a dimension is in a range of 3 to 5 mm, and a thickness dimension in a front-rear direction of the porous honeycomb frame of the inner deodorizing ring is in a range of 1 to 3 mm.   The deodorizing ring is formed of an inner deodorizing ring positioned on the inner peripheral edge side and an outer deodorizing ring positioned on the outer peripheral edge side. In the deodorizing tool for a fan, each porous honeycomb of the inner deodorizing ring The size of the frame is larger than that of each porous honeycomb frame of the outer deodorizing ring, and the area of the vent hole surrounded by the honeycomb frame of the inner deodorizing ring is the vent hole surrounded by the honeycomb frame of the outer deodorizing ring The deodorizer for electric fans in any one of Claims 1 thru | or 8 larger than the area of. The length of one side of the porous honeycomb frame of the inner deodorizing ring is in the range of 2 to 5 mm, and the area of the air vent surrounded by the honeycomb frame of the inner deodorizing ring is in the range of 17.99 to 112.49 mm ² . Yes, the length of one side of the porous honeycomb frame of the outer deodorizing ring is in the range of 1 to 2.5 mm, and the area of the vent hole surrounded by the honeycomb frame of the outer deodorizing ring is 4.499 to 28.12 mm. The fan deodorizer according to claim 12, which is in the range of ² .   The thickness dimension in the front-rear direction of the porous honeycomb frame of the inner deodorization ring is larger than the thickness dimension in the front-rear direction of the porous honeycomb frame of the outer deodorization ring, and the thickness in the front-rear direction of the porous honeycomb frame of the inner deodorization ring The deodorizing tool for a fan according to claim 12 or 13, wherein a dimension is in a range of 3 to 5 mm, and a thickness dimension in a front-rear direction of the porous honeycomb frame of the outer deodorizing ring is in a range of 1 to 3 mm.   The electric fan according to any one of claims 1 to 14, wherein the deodorizing ring is formed by pouring a mixture of a molten thermoplastic synthetic resin and activated carbon powder that adsorbs an odor component into a predetermined mold. Deodorizing tool.   The deodorizing tool for a fan according to any one of claims 1 to 15, wherein a deodorizing catalyst for oxidizing and decomposing odor components is supported on the porous honeycomb frame of the deodorizing ring.

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