JPH05113193A - Fan - Google Patents

Abstract

PURPOSE:To blow clean air by installing an air filter between i air taking-in port and an air discharge port which are formed on fan body. CONSTITUTION:An air taking-in port 2 is formed on the back surface of a fan body 1, and an air filter 3 is installed. The air taking-in port 2 is like that for the engine of a jet aeroplane, and formed to a streamline form for preventing turbulent flow. The air filter 3 is e.g. in cassette type, and is equipped with a net consisting of plastic frames and metal wires and the Japanese paper as filter body. Accordingly, clean air can be supplied from the air filter.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a quiet and simple air filter function suitable for a fan or the like in a device having an air blowing mechanism, such as a fan, by newly adding a function of the air filter. The purpose is to reduce the burden of blowing clean air and cleaning.

[0002]

2. Description of the Related Art Cooling air from an electric fan is based on not only the refreshing sensation of human skin, but also the physical phenomenon of depriving the heat of evaporation during perspiration of the skin. Needless to say, a fan is a household electric appliance for blowing air by rotating its blades with an electric motor. However, since the fan is usually used indoors, especially when it is used for diffusion of cool air during air conditioning,
Dust and dust will also circulate in the room at the same time. In a room where sunlight is actually incident, it is possible to visually confirm the floating of dust and the like. However, this fact is usually unnoticed when used under light at night. By the way, allergies based on hay fever and dust are not a few of the modern diseases in recent years. Even if you don't notice it, it is definitely affecting the human body. Further, since the fan itself is also exposed to air containing dust and the like, dust and the like will naturally stick to the inside and outside of the device after long-term use. Blowers used for kitchen ducts are often soiled with oil, and thus fans need to be cleaned of dust and the like attached to blades and nets as well as regular cleaning. In particular, since the blade is usually made of plastic, it has a drawback that it is easily charged with dust due to friction with air and adheres thereto. An electric vacuum cleaner is an analogy as a method for removing such dust.
An electric vacuum cleaner is a machine that uses a negative pressure from a blower and puts a paper dust bag in front of it to collect dust. However, when using it, it is accompanied by considerable noise, and it is difficult to hear the sound even when the television is normally turned on. This is caused by vibrations of paper bags, motors, etc., as well as howling due to collision between the blower and air. However, the coolness of the fan is important. Consumers will be shunned by anything that involves noise, and manufacturers are trying to reduce noise by devising the shape of the blades. Therefore, it cannot be constructed in the same way as a vacuum cleaner. There is an electric washing machine that removes dust and dirt from clothes, which is not dust in the air. In this case, it is mainly the violent water flow that serves to remove the dust, and the dirt is due to the hydrophilic action of the detergent. If the place is simply washed, dust and lint remain in the water and the meaning of washing is often lost. Therefore, in recent years, a net for removing dust and lint has been marketed. This is because if you attach a net to a part of the washing machine and let the water flow through it,
It is based on the principle that dust or the like is captured by the net, and the water in the bathtub is entirely wiped out while the water flows many times. This principle is particularly similar to the fan that circulates air in a closed space.

[0003]

Therefore, an air filter is attached to a part of the fan, and after some circulation, dust and the like in the room are adsorbed to the filter, and the dust and the like are easily removed by replacement. Is the basic idea of the present invention. It should be noted that it should not be noisy like a vacuum cleaner. In fact, anyone would have tried how the vibrations blew when you put a piece of paper in front of or behind the fan. This erases the coolness of the fan.

[0004]

In order to achieve this object, an air intake similar to a jet engine is provided in a part of the fan body, and an air filter is provided in the air intake, and dust adhered by the replacement is provided. Try to get rid of etc. At that time, the structure is such that the vibration of the filter and the like can be prevented and the replacement can be easily performed. By the way, such a mechanism can be adopted in an air conditioner, etc.
Since the structure of air conditioners is large, many internal devices can be devised, and there are not a few that directly take in outside air, and the blowing capacity of the air conditioners decreases in the case of rapid cooling. Be done. Therefore,
The following is an example of a fan that has been used for a long time and that has a simple outer shape and is completed.

[0005]

EXAMPLE An air filter and the like in the example of the fan according to the present invention are mounted on the upper part of the fan. Negative pressure can be obtained anywhere in the rear of the blade, but in reality the lower part of the fan does not have enough space for the blade rotation mechanism and the pedestal. Therefore, in consideration of removal of the cassette of the air filter according to the present invention and overall balance, the air filter is arranged above the fan. In FIG. 1, 1-1 is a fan main body, 1-2 is an air intake port, and 1-3 is an air filter according to the present invention. This air intake is similar to that of a jet airplane engine. The streamlined shape is used to prevent turbulent flow and thus unnecessary vibration and noise. The reason why the air intake and exhaust ports are wide is to secure a sufficient flow rate, and also to secure a sufficient pressure on the platform where the filter has become clogged and the capacity has deteriorated after long-term use. ..
The embodiment of the air filter according to the invention is a simple static system. As a method for removing dust and the like, there is a dust collector method using high-voltage electrostatic force, but it is considered that there is no difference in the effect because the system becomes unnecessarily complicated. Given that the electric fan itself is very simple and complete, it is desirable that the new additional functions be simple and easy to use. FIG. 2 is a detailed view of the cassette type air filter of the fan of the present invention. In FIG. 2, 2-11 is a plastic frame, which is the base of the entire cassette. 2-1
Reference numeral 2 is a net for an air filter, which has a coarse mesh made of wire. This serves to prevent the resistance of the air flow path, and to fix the Japanese paper 2-13 to prevent its vibration. The Japanese paper is the main body of the filter, and dust and the like adhere to it. However, as will be described later, the effective range is limited by the effective opening 2-19 of the air intake port. Reference numeral 2-14 is a substantially quadrangular frame made of thick wire, and the end of the Japanese paper is fixed by the wire frame 2-14 and the net 2-12. This is to prevent howling due to vibration. A spring 2-1 is attached to the bottom of the wire frame.
5 is rolled up and stores energy when rotating around the shaft 2-18 embedded in the plastic frame 2-11 as a fulcrum. Conversely, after the Japanese paper is set, the pressure for fixing the Japanese paper is set. Is giving. The role of such a wire frame is similar to that of mouse removal. In this case, instead of removing the rat, Japanese paper for removing dust etc. is sandwiched. It should be noted that the thickness of the washi paper should be so thin that the other side can be seen through. What is important is that dust and the like can be removed. If the density is high, the resistance of the air flow is rather adversely affected, and the processing capacity is rather lowered. The mounting portion 2-16 formed on the plastic frame has a function of mounting the cassette of the air filter of the present invention together with the leaf spring 2-17. FIG. 3 shows a state where the cassette is attached. FIG. 3A is a vertical cross-sectional view of the upper part of the fan, 3-21 is the fan body, 3-22 is the air intake port, 3-23 is the cassette of the air filter according to the present invention, and 3-24 is the blade side. The air outlet, and 3-25 are its vanes. As described above, since the air intake port and the air exhaust port are wider than the inside, the part that is actually exposed to air is not the entire air filter but a part thereof. This is shown as an effective aperture in 3-19, but its shape is semicircular as a whole. FIG. 3B is a cross-sectional view of the upper part of the fan, and a mounting portion 3-16 formed on a part of a plastic frame is used to mount the cassette on the fan body 3-2.
The leaf spring 3-17 has a function of pushing the cassette to the outside when the fixation is released, which is convenient for removing the cassette. When the push button 3-26 attached to the fan body is pressed, the attachment section 3-
The engagement between the recess formed in 16 and the claw formed on the fan body side is released, and the cassette is lifted by the leaf spring 3-17. FIG. 4 shows an air purifier according to a second embodiment of the present invention. Figure 4
(A) is the front view, and is attached rearward on the upper part of the fan 1-1. FIG. 4 (b) is a top view thereof,
A generally central cross section is shown. In the first embodiment of the present invention, the air filter according to the present invention is formed in a part of the fan, but in the second embodiment, an air cleaner as a completely independent article is proposed. Yes, its structure is also premised on installation on a fan. In FIG. 4, 4-31 is an air purifier body, which has a structure similar to the air intake port of the engine of the jet machine in order to reduce the air resistance in this embodiment, but has a cylindrical structure in consideration of the design. And 4-32 is a ring-shaped inner frame, and like the wire frame 2-14 in FIG.
By sandwiching the filter paper with the filter 12, the filter paper Washi 4-13 is fixed. 4-33 is a groove formed in the inner frame 4-32, which is used to remove the inner frame. 4-1
Reference numeral 9 is a filter part, and the area where dust or the like is actually adsorbed is visible. Although the filter itself is made of thin Japanese paper in the first embodiment, a cloth such as gauze or a plastic material such as kitchen sponge may be used as long as it can remove dust and dirt. Reference numeral 4-21 is a main body of an electric fan to which the air purifier according to the present invention is attached, and its cross-sectional view is shown. In the second embodiment, the main parts of the air filter and the like are almost the same as those in the first embodiment, but the point of the invention is to the fan body to the air purifier body 4-3.
It is in the fixture for attaching 1. In FIG. 4, 4-35
Is a plastic band that is plate-shaped and flexible, and one end of which is a body 4-31 and the other end of which is a transparent resin suction cup 4-
It is connected to 36. Since the suction cup 4-36 is usually a metal plate on which the cover of the fan body is painted, the suction cup 4-36 has a function of semi-fixing the air cleaner according to the present invention to the fan body by adsorbing the suction plate 4-36 on the upper surface thereof. An adhesive material may be used instead of the suction cup, but in this case, there is a drawback in that removal is inconvenient. A rubber foot 4-34 is attached to the lower portion of the main body 4-31 and functions as a cushion. This may be replaced with a resin sponge. This leg 4-3
The function of 4 is to prevent inconveniences (such as displacement and vibration) due to a small contact area with the main body 4-31 because the cover of the fan main body 4-21 is usually a cylindrical container. 4-37 is an arrow indicating the wind direction generated by the operation of the fan. Due to this negative pressure, the inner frame 4-32 and the air filter are pressed against the mesh net 4-12. However, it is desirable that the height of the air purifier according to the present invention does not exceed the height of the blades of the fan. When viewed directly from the front, there seems to be a mismatch in design.
Since the air purifier of the present invention has a simple structure, it can be designed in various forms.
In (a), an example in which eyes and ears are attached as shown by dotted lines to imitate the appearance of an animal is shown.

[0006]

The fan according to the first embodiment of the present invention has the following unique effects. Firstly, dust or the like contained in the air flowing into the fan is removed to enable the blowing of clean air. Particularly, when air is circulated in the room, the entire room can be cleaned while passing through the filter many times. Secondly, when the fan is used for a long time, the amount of dust and the like attached to the main body is reduced to reduce the burden of cleaning the fan. Thirdly, the simple cassette structure enables general consumers to handle by a simple operation. Fourthly, the new burden is also accompanied by wastage of the washi paper, not only impairing the appearance and function of the conventional fan, but also reducing the cost burden. Therefore, it is expected that the fan will be widely used as a fan with a new air cleaning function. According to the air cleaner of the second embodiment according to the present invention, compared to the first embodiment,
Further, it has the following remarkable effects. Firstly, the consumer can easily achieve the object of the present invention by attaching it to the upper part of an already owned fan without purchasing any new fan. Moreover, because of the structure of the mounting tool, there is a merit that it can be applied regardless of the size and type of the fan, and it has versatility. Second
In addition, since the air purifier of the present invention has a simple structure, it has an advantage that the manufacturing cost is low and the manufacturing is easy. Moreover, the simple structure means that various articles can be realized in terms of design. Needless to say, the simplicity of the structure does not mean that the inventive steps are small.

[Brief description of drawings]

FIG. 1 is an external view and a rear view of a fan according to a first embodiment of the present invention.

FIG. 2 is a detailed and perspective view of the cassette type air filter according to the present invention.

FIG. 3 is a view showing an attached state of a cassette of an air filter according to the present invention. FIG. 3 (a) is a longitudinal sectional view thereof, and FIG.
(B) is the cross-sectional view.

FIG. 4 is an external view of an air purifier according to a second embodiment of the present invention. 4 (a) is a front view thereof, and FIG. 4 (b) is a top view including the cross section thereof.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Fan main body, 2 ... Air intake port, 3 ... Air filter by this invention, 11 ... Plastic frame, 12 ... Net, 13 ... Japanese paper for filters, 14 ... Wire frame, 15 ...
Spring, 16 ... Cassette mounting portion, 17 ... Leaf spring, 18 ...
Axis, 19 ... Range of filters that effectively capture dust, etc., 2
DESCRIPTION OF SYMBOLS 1 ... Fan body, 22 ... Air intake port, 23 ... Cassette type air filter by this invention, 24 ... Air exhaust port,
25 ... Fan blade, 26 ... Push button, 31 ... Air purifier main body, 32 ... Inner frame, 33 ... Groove, 34 ... Rubber foot, 35 ... Plastic band, 36 ... Sucker, 37 ... Wind direction arrow

Claims (2)

[Claims] 1. A fan, comprising: a fan main body; an air intake port and an air exhaust port formed in a part of the main body; and an air filter provided between the intake port and the exhaust port. 2. An air purifier main body having an air intake port, an air exhaust port, and an air filter arranged between them, wherein an air purifier is provided at a lower portion of the main body of the air purifier.