JPH055524B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an air cleaner that is installed indoors and removes dirt from indoor air using a filter.

[Prior art] This type of air purifier is known, for example, from Japanese Patent Application Laid-Open No. 1986-
As shown in No. 22389, there is provided a main body having an inlet and an outlet, a filter placed inside the main body facing the inlet, and a filter installed in the main body to draw air from the inlet through the filter, and a filter arranged in the main body to face the inlet. It is equipped with a forced circulation blower that exhausts air from the air.

This air purifier is operated indoors on a tabletop or wall-mounted, and removes dirt from the indoor air by circulating the indoor air through a filter.

[Problem to be solved by the invention]

With the above-mentioned conventional technology, the filter can be easily replaced whether it is used on a tabletop or wall-mounted, and the operability of the operating means for setting the operating conditions of the forced circulation fan is impaired. There was insufficient consideration given to ensuring that no damage was caused.

An object of the present invention is to provide an air cleaner in which the filter can be replaced easily and the operability of the operating means does not deteriorate, whether used on a table or wall-mounted.

[Means to solve the problem]

The above purpose is to provide a box-shaped body frame that can be installed on a tabletop and has an air outlet on the top surface and is equipped with a forced circulation blower; It includes a front cover, an operating means for setting operating conditions of the forced circulation blower, and a filter disposed facing the inside of the suction port, and suction from the suction port is provided by rotation of the forced circulation blower. In the air purifier, the indoor air is purified by the filter and then blown into the room from the air outlet, and the air outlet is disposed on the upper surface of the main body frame, the air outlet being shifted toward one side of the main body frame, The operating means is disposed near the front cover, a filter support frame is provided inside the front cover, the filter is detachably attached to the filter support frame, and the upper surface of the main body frame is provided with the air outlet. This is achieved by providing a mounting means for attaching the body frame upside down to a wall so that the lower surface is the lower surface.

[Effect]

When used on a tabletop, the air purifier is placed on the tabletop so that the surface provided with the air outlet is the top surface of the main body frame. In this state, if the forced circulation blower is rotated by operating the operating means installed near the air outlet, the indoor air will pass through the inlet of the front cover and be purified by the filter, causing the upper surface of the main body frame to The air is blown upward from the air outlet provided in the air.

When used on a wall, the air cleaner is hung on the wall using a mounting means so that the surface provided with the air outlet becomes the lower surface of the main body frame. In this state, if the forced circulation blower is rotated by operating the operating means located near the air outlet, the indoor air will pass through the inlet of the front cover and be purified by the filter, and the air will be blown into the main body frame. It blows out downward from the exit.

The filter replacement work is completed by removing the front cover from the main body frame, replacing the filter installed in the filter support frame of the front cover with a new filter, and then reattaching the front cover to the main body frame.

〔Example〕

An embodiment according to the present invention will be described with reference to FIGS. 1 to 3. The main external components of the main body 1 are a main body frame 2, a rear cover 3, and a front cover 4. The main body includes an electric motor 5, blades 6, a power cord 7, an electric filter 8 for collecting smoke, and an activated carbon filter 9 for removing odor. 1
Reference numerals 0 and 11 are operating means for setting the operating conditions of the forced circulation blower, which is composed of an electric motor 5 and blades 6, and an air volume switching knob and a pull string for controlling the rotation of the electric motor 5. Reference numeral 12 indicates main body legs when used on a table, and 13 indicates a main body hanging metal fitting that serves as a mounting means when used on a wall. The rotation of the electric motor 5 causes the blades 6 to rotate, and the lattice-shaped suction port 14 of the front cover 4 is rotated.
As a result, room air is sucked in, passes through the electret filter 8 and the activated carbon filter 9, and is circulated indoors through the air outlet 15 of the frame 2. Reference numeral 16 denotes an elastic seal provided to prevent air from entering around the electret filter 8 and activated carbon filter 9. 17 is a filter replacement display window section. Reference numeral 18 denotes a cord hook to be wrapped around the power cord 7 when there is excess length. 1
Reference numeral 9 denotes a handle that can be held with one hand when moving the main body 1. In FIG. 4, reference numeral 20 denotes a vibration isolating member that supports the electric motor 5 on the motor support portion 21 of the rear cover 3 in an anti-vibration manner. 22 is a capacitor for starting the motor, 23
is the motor control switch. The air volume switching knob 10 is attached to the shaft portion 24, and the drawstring 11 is attached to the lever portion 25.
The air volume switching knob 10 or the pull string 11 can be selectively operated. 26
is a switch support member that fixes the switch 23 to the rear cover 3. 27 is a rear cover cap. In FIG. 5, the internal shape of the rear cover 3 is made clear. 28 is a rear cover casing for rectifying and blowing out the wind, 29 is a motor support part 21
This is a protruding frame that firmly supports the The handle 19 is disposed within the protrusion frame portion 29 together with the motor support portion 21 . Reference numeral 18a indicates the shape of the back side of the cord hook 18, which is arranged on the outside of the rear cover casing 28 at the three corners of the rear cover to prevent air from flowing in through the opening for forming the cord hook 18. . 30 is a guide tube for the drawstring 11.
In FIG. 6, numeral 31 is a frame casing for rectifying the discharge flow of the blades 6, 32 is an inlet orifice portion of the blades 6, and 33 is a filter receiving portion for preventing deformation of the filters 8, 9. 34 is a frame fixing hole for assembling the main body frame 2 to the rear cover 3. 3
Reference numeral 5 denotes a plurality of frame claws for removably engaging the front cover 4 with the main body frame 2, which are arranged at symmetrical positions with respect to the top and bottom and left and right sides of the main body frame 2. Reference numeral 36 denotes a main body leg mounting rail portion that slidably fixes the main body leg 12 in a detachable manner. FIG. 7 shows an example of how the main body 1 is installed, with B indicating use on a table and C indicating use on a wall. B is more suitable for indoor air circulation during cooling, and C is more suitable for indoor air circulation during heating. 8th
The figure shows a method for removing the main body leg claw portion 37 of the main body leg 12 from the main body leg mounting rail portion 36 of the main body frame 2. It can be removed by pressing with your finger.
When installing, simply push it in along the rail. FIG. 9 shows how to hang the main body hanging bracket 13 on the wall side mounting bracket 38. D in Figure 10
E is for tabletop use, E is for wall-mounted use, and the combination orientation of the front cover 4 with respect to the main body frame 2 is different. Only when using on a table, main body leg 1
I am using 2. The drawstring 11 is used when hanging on a wall. FIG. 11 is a diagram showing how to operate the air volume switching knob 10. Turn the knob 39 with your finger to select "off", "strong", "medium", or "weak" on the display panel 40.
Alignment mark 4 with the indication written on main body frame 2
Operate to match 1. FIG. 12 explains that the air volume switching knob 10 has a display function by operating the pull string 11. In FIG. 13, the details of the guide groove portion 42 which is slidably engaged with the main body leg pawl portion 37 of the main body leg 12 and the main body leg mounting rail portion 36 of the main body frame 2 are clarified.
In FIG. 14, the shape of the peripheral plate part 42 of the knob part 39 of the air volume switching knob 10 is a seesaw shape with one side being a front rising plate part 42a and the other side being a front downward dish part 42b. This shape allows
With respect to the rotation of the knob part 39, it has an effect similar to a snail shape, and although it rotates to the right, it is structured so that the fingers cannot easily slip due to the inclination of the plate part 42 when rotating to the left. Switch 23 used in this example
is a rotary and pull type, and by adding protection for one-way rotation in this way, damage to the switch can be prevented. FIG. 15 shows that the indoor air sucked through the front cover 4 first flows to the electrolet filter 8 and then to the activated carbon filter 9. The electret filter 8 has the function of subjecting polypropylene fibers, which are polymeric materials, to a charging process at the time of manufacture, and electrically attracting and collecting passing dust particles to the fiber layer. Since the electric filter 8 has the above-mentioned electrostatic collection effect in addition to mechanical collection, it has the effect of collecting even very small smoke particles of about 0.5 μm. The activated carbon filter 9 removes odors from the air through the adsorption action of activated carbon particles. As shown in FIG. 16, when assembled, the electret filter 8 and activated carbon filter 9 are placed in the filter support frame 44 of the front cover 4 in the stacked order. 45, when replacing the filter,
This is a cutout for filter removal to facilitate removal of the electret filter 8 and activated carbon filter 9 from the filter support frame 44.
FIG. 18 shows how to attach and detach the front cover 4. 19th
As shown in the figure, the front cover pawl portion 4 of the front cover 4
Reference numeral 6 is for engaging and fixing the frame pawl portion 35 of the main body frame 2. 47 is a frame concave groove for disengaging the pawl part, but the second
As shown in Figure 0, it is also convenient as a handle for carrying. The handle 19 explained in FIG. 2 can be used as shown in FIG. 21. Similarly, the cord hook 18 described in FIG. 2 can be used as shown in FIG. 22. 17th
The figure shows the filter replacement display window 17 of the front cover 4.
Show details. When the electric filter 8 becomes dirty to the same extent as the color of the filter replacement guide label written around the window, replace it with a new filter.

According to the above configuration, when the blades 6 are rotated and indoor air passes through the electric filter 8, fine particles, cigarette smoke, etc. in the air pass through the electric filter 8. It sucks and purifies with its electrical and mechanical collection power. The electric filter 8 is disposed in a detachable front cover 4, and by removing the front cover 4 from the main body frame 2, it becomes easy to replace the filter with a new one. Also, the front cover 4
You can see the dirt on the electric filter 8 through the filter replacement display window 17 provided in the window, and by comparing the color with the filter replacement guide label provided near the replacement display window 17, You can determine when it is time to replace the filter. The shape of the lattice-like suction port 14 of the cover 4 has a zigzag shape for ventilation due to the matching and curling of the mold, but the surface of the electric filter 8 is difficult to see from the front. This means that even if the filter becomes dirty, the entire surface can be seen and there is no discomfort, and the display on the filter display window 17 becomes easier to understand. Furthermore, by forcing air through the activated carbon filter 9, the odors in the air are removed by the adsorption power of the activated carbon. Therefore, even if a large amount of dust adheres to the electret filter 8 and an oxidation odor is produced, the oxidation odor will be transferred to the activated carbon filter 9.
removed by

The activated carbon filter 9 has a layered shape in which activated carbon particles are covered with polypropylene fibers, etc., and takes advantage of its bending strength compared to the electric filter 8 to press the filter on the front cover 4 while holding the electric filter 8. It can be held on the support frame 44. In order to be effective as an air purifier, it is important that the filter has a high collection efficiency, that the circulating air volume and speed are large, and that the blowing air flow circulates the indoor air well. From this point of view, a flow that is sucked in from the front and blown out uniformly upward or downward is suitable. Furthermore, due to the flexibility of installation in a room, it can be used on a table or hung on a wall, and it would be convenient to be able to accommodate both. In this example, as a method that can be selected with one device, the main body 1 is shaped and structured so that it can be used from a tabletop with an upper balloon to a lower balloon by reversing the orientation of the main body 1 when used on a wall. ing. Specifically, the shapes of the main body frame 2 and the rear cover 3 are approximately symmetrical with respect to the center in the vertical direction. The structure is such that the main body legs 12 can be installed when used on a table, and the main body hanging fittings 13 can be installed when used on a wall. The front cover 4 has a substantially symmetrical shape with respect to the center in the vertical direction, and the direction in which the front cover 4 is assembled with respect to the main body frame 2 is reversed, as shown by the engagement structure of the frame claw portion 35 and the front cover claw portion 46. However, it can be installed removably. Regarding the operation of the switch 23, the air volume switching knob 10
It is convenient because it serves as an operation unit when used on a tabletop and also serves as a display unit when used on a wall.

〔Effect of the invention〕

According to the present invention, (1) The air outlet is disposed on the upper surface of the main body frame, shifted to one side of the main body frame, and the operating means is provided near the air outlet, so that when used on a tabletop, Since the operating means is closest to the person's eye level, the handling of the operating means is improved, and the part of the upper surface of the main body frame that is not equipped with an air outlet can be used as a storage area. In addition to being convenient, the air outlet and the operating means disposed near the air outlet are positioned below the main body frame when used on a wall, improving the ease of handling the operating means.

(2) A filter support frame is provided inside the cover detachably attached to the front of the main body frame,
The filter is removably attached to this filter support frame, so whether you are using it on a table or on a wall, if you remove the cover from the main frame, you can remove the filter along with the front cover from the main frame. This makes it easy to replace the filter.

This results in an air purifier that is easy to use.

[Brief explanation of the drawing]

FIG. 1 is a front perspective view of an external appearance showing an embodiment of the present invention, and FIG. 2 is a back perspective view. FIG. 3 shows a partially cutaway front view, a partially cutaway side view, and a top view of FIG. FIG. 4 shows an exploded perspective view of the main parts. FIG. 5 shows a front view and a partially sectional side view showing the assembly structure of the rear cover that supports the electric motor, switch, and power cord. Figure 6 shows a front view, a cross-sectional AA side view, and a top view of the main body frame, which is the main component, as seen from the rear side. FIG. 7 shows installation examples B and C in which the air cleaner of the present invention is installed indoors.
B is for tabletop use, and C is for wall-mounted use. FIG. 8 is an explanatory perspective view showing how to remove the legs of the main body from the main body when used on a tabletop, and FIG. 9 is an explanatory view showing how to hang the main body metal fittings on the metal fittings attached to the wall when used on a wall. FIG. 10 is a perspective view showing that when assembling the front cover that is detachably fixed to the front side of the main body, the direction of assembly is selected depending on whether it is to be used on a tabletop or when it is mounted on a wall; D is for tabletop use; E is for tabletop use; is an example of wall-mounted use. Figure 11 is an explanatory diagram of the operation of the air volume switching knob when used on a tabletop.
FIG. 2 is an explanatory diagram of the operation of the air volume switching pull string when used on a wall. Fig. 13 shows a top view and a cross-sectional side view of the main unit legs used for tabletop use, and Fig. 14 shows a top view of the air volume switching knob and its cross-section FF.
FIG. 15 is an exploded perspective view showing the filter and the flow of air. FIG. 16 shows an explanatory diagram of how to insert the filter into the front cover. FIG. 17 is an enlarged perspective view of a dirt filter replacement display window, which is provided to know when to replace the filter, viewed from the front side of the front cover. FIG. 18 is a perspective view illustrating the procedure for removing the front cover from the main body. FIG. 19 shows a sectional view of the pawl engaging portion of FIG. 18. FIG. 20 is an explanatory perspective view showing that the groove on the side of the main body shown in FIG. 19 is used as a handle for carrying. FIG. 21 is an explanatory perspective view showing that the device can be held with one hand using the handle provided on the rear cover. 22nd
The figure is an explanatory perspective view showing that the excess length of the power cord can be wrapped around the cord hook provided on the rear cover. 1...Body, 2...Body frame, 4...Front cover,
5... Electric motor, 6... Vane, 8... Electret filter, 9... Activated carbon filter, 10... Air volume switching knob, 11... Draw string, 13... Body latch,
15...Air outlet, 44...Filter support frame.

Claims (1)

[Scope of Claims] 1. A box-shaped main body frame that has an air outlet on the top surface and is equipped with a forced circulation blower and can be installed on a tabletop, and a box-shaped main body frame that has a suction port and can be detached from the front of the main body frame. the cover, which is attached to the forced circulation blower, an operating means for setting operating conditions of the forced circulation blower, and a filter disposed facing the inside of the suction port; In the air purifier, indoor air sucked through the mouth is purified by the filter and then blown into the room from the outlet, wherein the outlet is disposed on the upper surface of the main body frame so as to be shifted to one side of the main frame; The operating means is disposed near the air outlet, a filter support frame is provided inside the front cover, the filter is detachably attached to the filter support frame, and the main body is provided with the air outlet. An air purifier characterized in that an air cleaner is provided with mounting means for mounting the main body frame upside down on a wall so that the top surface of the frame is the bottom surface.