JPH1094501A - External filter kit for vacuum cleaner exhaust port, method of mounting the same, and vacuum cleaner having the same mounted - Google Patents

Abstract

(57) [Summary] [Problem] A vacuum cleaner applicable to any vacuum cleaner already on the market or marketed in the future and capable of efficiently reducing dust contained in exhaust gas. An external filter kit for an exhaust port, an installation method thereof, and a vacuum cleaner to which the installation method is attached. SOLUTION: The average pore diameter is 10 to 300 µm, the apparent density is 0.001 to 0.05 g / cm ³ , and the areal density is 50 to 50.
A filter 1 made of non-woven fabric of 0 g / m ² and capable of covering an exhaust port 4 of the vacuum cleaner 3;
A joining member 2 that can be joined to the exhaust port 4;
An external filter kit for an exhaust port of a vacuum cleaner, comprising:

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an external filter kit for an exhaust port of a vacuum cleaner, a method of mounting the same, and a vacuum cleaner having the same.

[0002]

2. Description of the Related Art Conventionally, as a means for reducing dust (fine dust) contained in exhaust gas from a vacuum cleaner, for example, a method described in Japanese Utility Model Laid-Open No. 62-136947 is known.
In some cases, a dedicated filter was built inside the lid provided with the exhaust port. As another means, a dedicated adapter having a filter is attached to an exhaust port of a vacuum cleaner (for example, Japanese Utility Model Application Laid-Open No. 1-155951, Japanese Utility Model Application Laid-Open No. 61-64858, Japanese Utility Model Application Laid-Open No. 53-132767
No.).

[0003]

However, all of these conventional means for reducing dust in exhaust gas are provided with a structure for incorporating the dedicated filter or a structure for mounting the dedicated adapter in advance. However, there is a problem that the method is not applicable to the general purpose.

[0004] The present invention has been made in view of the above-mentioned problems of the prior art, and is applicable to any vacuum cleaner that is already commercially available or will be commercially available in the future, and is included in exhaust gas. An object of the present invention is to provide an external filter kit for an exhaust port of a vacuum cleaner capable of efficiently reducing dust, a method of mounting the same, and a vacuum cleaner having the same.

[0005]

Means for Solving the Problems As a result of intensive studies to achieve the above object, the present inventor has found that the above object is achieved by directly attaching a filter made of a specific nonwoven fabric to an exhaust port by a joining member. Have been achieved, and the present invention has been completed.

That is, the external filter kit for an exhaust port of a vacuum cleaner of the present invention has an average pore diameter of 10 to 300 μm, an apparent density of 0.001 to 0.05 g / cm ³ , and a surface density of 50.
A filter that is made of a nonwoven fabric of up to 500 g / m ² and that can cover the exhaust port of the vacuum cleaner, and a joining member that can join the filter to the exhaust port;
It is characterized by consisting of.

[0007] In addition, according to the method of attaching an external filter for an exhaust port of a vacuum cleaner of the present invention, the average pore diameter is 10 to 300 µm.
m, a filter made of a nonwoven fabric having an apparent density of 0.001 to 0.05 g / cm ³ and an area density of 50 to 500 g / m ² is cut into a shape covering an exhaust port of a target vacuum cleaner, A filter is arranged to cover the exhaust port, and the filter is joined to the exhaust port by a joining member;
A method characterized by the following.

Further, the vacuum cleaner equipped with the external filter for an exhaust port of the present invention has a vacuum cleaner main body, an average pore diameter of 10 to 300 μm, and an apparent density of 0.001 to 0.0.
A filter made of a nonwoven fabric having a surface density of 5 g / cm ³ and a surface density of 50 to 500 g / m ² and covering an exhaust port of the vacuum cleaner; and a joining member joining the filter to the exhaust port. It is characterized by the following.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the drawings. In the drawing,
The same or corresponding parts are denoted by the same reference symbols. Further, in the drawings, the thickness of the sheet-shaped or tape-shaped member is enlarged and described.

First, an embodiment of an external filter kit for an exhaust port of a vacuum cleaner according to the present invention and a mounting method thereof will be described with reference to FIG. FIG. 1 is an exploded perspective view showing a state in which an embodiment of an external filter kit for an exhaust port of a vacuum cleaner according to the present invention is attached to the vacuum cleaner. The external filter kit for the vacuum outlet of the vacuum cleaner of the present invention, as shown in FIG.
It comprises a filter 1 and a joining member 2.

The filter 1 is a nonwoven fabric for collecting dust (fine dust) in the exhaust gas discharged from the exhaust port 4 of the vacuum cleaner main body 3 as described later, and is 10 to 300 μm, preferably 10 to 50 μm. Average pore size. If the average pore diameter of the filter 1 is less than 10 μm, the pressure loss is too high, and the load on the motor of the vacuum cleaner may increase, and heat may be generated. Is too low to ensure the performance as an exhaust port filter.

Further, the filter 1 has a value of 0.001 to 0.0.
5 g / cm ^3, preferably has an apparent density of 0.005~0.02g / cm ^3,, and 50 to 500 g / m ^2, bulky preferably having a surface density of 100 to 300 g / m ² (basis weight) Nonwoven fabric. If the apparent density is less than 0.001 g / cm ³ or the areal density is less than 50 g / m ² , the efficiency of collecting dust in the exhaust gas (capture capacity) becomes insufficient, while the apparent density exceeds 0.05 g / cm ³ . Alternatively, the areal density is 500 g / m ²
If the pressure exceeds, the pressure loss when the exhaust gas passes increases, and the load on the motor of the cleaner increases. The pressure loss of such a nonwoven fabric is 0.1 to 2 mmAq (the processing wind speed is 10 mmAq).
cm / sec) is preferable, and 0.2 to 1 mmAq (same conditions)
Is more preferred.

The thickness of the filter 1 according to the present invention is preferably 3 to 50 mm, more preferably 5 to 30 mm. If the thickness of the filter 1 is less than 3 mm, the efficiency of collecting dust in the exhaust gas tends to be insufficient. On the other hand, if it exceeds 50 mm, the pressure loss tends to increase and the load on the motor of the vacuum cleaner tends to increase. The projection of the part becomes large, which is not practical.

The filter 1 is preferably a charged (electretized) nonwoven fabric. When the filter 1 is charged, the dust is adsorbed on the filter 1 by an electrostatic action, so that the efficiency of collecting dust in the exhaust gas tends to be further improved. The amount of polarization charge of the filter 1 is preferably 1 × 10 ⁻⁴ coulomb / cm ² or more.

The material of the nonwoven fabric according to the present invention is not particularly limited, and polyolefin fibers, polyester fibers, polyamide fibers, polyimide fibers, polystyrene fibers and the like are appropriately used. Is preferably a polyolefin-based fiber. The fiber diameter, fineness, fiber length, etc. of the fibers constituting such a nonwoven fabric are appropriately selected according to the desired pore size distribution and the like. As a method for producing such a nonwoven fabric, a melt blowing method, a fiber bonding method,
Water entanglement method, needle punch entanglement method, etc. are appropriately adopted,
In particular, as a method for obtaining a bulky nonwoven fabric as described above, a fiber bonding method and a needle punch entanglement method are preferable.

Further, the nonwoven fabric according to the present invention is required to be free from delamination due to high-speed exhaustion. It is preferable that the fiber intersections are bonded by forming a bonding portion or bonding the fibers with each other with a heat bonding fiber or an adhesive. In particular, those in which the fiber intersections are bonded by the heat-adhesive fibers are more preferable because the peel strength can be increased without increasing the pressure loss.

The filter 1 according to the present invention may be a single nonwoven fabric or a laminate or a mixture of a plurality of nonwoven fabrics. For example, a nonwoven fabric mixed with a fiber obtained by a melt blowing method and a heat-adhesive fiber can be cited as a suitable nonwoven fabric. Further, the filter 1 may be a laminate of a nonwoven fabric and a net, a woven fabric, or the like, or may be a composite of a substance having a deodorizing effect such as activated carbon.

The filter 1 according to the present invention needs to be able to cover the exhaust port of the vacuum cleaner to be targeted, and the size of the filter 1 is appropriately determined according to the size of the exhaust port to be targeted. Selected. However, since the filter 1 can be cut as will be described later, the size of the filter 1 does not need to correspond exactly to the size of the exhaust port to be targeted, but may be larger than the exhaust port (the target and the target). If there are multiple outlets to be formed, it is better to be larger than the largest one). Also, perforations may be provided in advance in the filter 1 in accordance with the size of the exhaust port to be targeted.

A joining member 2 which constitutes an external filter kit of the present invention together with the filter 1 is for joining the filter 1 to an exhaust port to be targeted. In FIG. 1, a double-sided adhesive tape is used. . However, joining member 2
Is not limited to adhesive tape such as double-sided adhesive tape,
A hook-and-loop fastener as shown in FIG. 2 may be used, or an adhesive, a clip-type fixing device or the like, or a combination thereof. When the male member (hook side) of the hook-and-loop fastener can be engaged with the filter 1 used, only the male member of the hook-and-loop fastener may be used as shown in FIG. When an adhesive is used as the joining member 2, the adhesive may be applied to the outer peripheral portion of the filter 1 in advance.

The joining member 2 according to the present invention needs to be able to join the filter 1 to the exhaust port 4.
The length and width (the length and width of the application area in the case of the adhesive) are appropriately selected according to the size of the exhaust port to be targeted. However, if the joining member 2 can be cut,
The length may be longer than necessary. Further, perforations may be provided in advance on the joining member 2.

The joining member 2 is preferably arranged so that the filter 1 is joined to the entire circumference of the exhaust port 4. However, if the filter is substantially in close contact with the exhaust port, the joining member 2 is not necessarily required. It does not have to be arranged all around. For example, the joining members may be arranged only on the upper and lower two sides of the outer periphery of the exhaust port, or the joining members may be arranged discontinuously on the outer periphery of the exhaust port. Here, the fact that the filter is substantially in close contact with the exhaust port means that there is no large gap between the filter and the exhaust port even by the exhaust pressure of the vacuum cleaner, and almost no exhaust leaks from between the filter and the exhaust port. Means that most of the exhaust gas passes through the filter and is exhausted. Such a state arises because the filter is bulky and has a high degree of freedom in deformation, and the pressure loss of the filter is small.

The joining member 2 has such a degree that the filter 1 is not peeled off by the wind pressure of the exhaust gas, and
It is necessary to join the filter 1 to the exhaust port 4 with such a joining force that it can be peeled off by hand or tool so that the filter 1 can be replaced. That is, the joining force of the joining member 2 is appropriately selected so as to satisfy the above-described conditions according to the filter 1 to be used and the target exhaust port 4.

Next, a method of attaching the external filter for the exhaust port of the vacuum cleaner according to the present invention will be described with reference to FIGS.

In the present invention, first, the filter 1 is cut into a shape capable of covering the exhaust port 4 of the target vacuum cleaner 3. If the filter 1 has a shape corresponding to the exhaust port 4 without cutting, it goes without saying that such cutting is not necessary. The joining member 2 is also cut to a predetermined length as necessary.

Then, as shown in FIG. 1, the release paper 5 of the joining member 2 is peeled off, and the joining member 2 is adhered to the outer peripheral portion of the filter 1. Then, the joining member 2 is covered so that the filter 1 covers the exhaust port 4. 2 is attached to the exhaust port 4 (FIG. 3). The order in which the joining members 2 are attached is not particularly limited, and the filter 1 may be attached to the joining members 2 after the joining members 2 are first attached around the exhaust port 4.

Next, an embodiment of a vacuum cleaner to which the external filter for an exhaust port according to the present invention is attached will be described with reference to FIGS.

The external filter for the exhaust port of the present invention can be easily attached to any vacuum cleaner that is already on the market or that will be on the market in the future. For example, as shown in FIG. The air is sucked by the blown fan 32 and is applied to the vacuum cleaner main body 3 that is discharged from the exhaust port 4 through the main filter 33 (paper filter) and the built-in filter 34 (sponge). And, in the vacuum cleaner of the present invention, as described above, the filter 1 is connected to the exhaust port 4.
And is joined to the exhaust port 4 by the joining member 2.

In such a vacuum cleaner of the present invention, since the pressure loss of the non-woven fabric constituting the filter 1 is small as described above, the exhaust gas 7 discharged from the exhaust port 4 passes through the filter 1 without being obstructed. However, no excessive load is applied to the motor 31. Then, while the exhaust gas 7 passes through the filter 1, dust in the exhaust gas is efficiently collected by the filter 1.

In particular, if the non-woven fabric forming the filter 1 has a bonding portion at a fiber intersection of a heat-adhesive fiber or the like, delamination due to exhaust pressure of the vacuum cleaner can be prevented, and the vacuum cleaner cannot be used. Even if the filter 1 is subjected to external pressure when it is stored upright (exhaust port down) at the time of use, the filter 1 is hardly damaged or deformed, and the dust collecting effect can be maintained.

As described above, the preferred embodiments of the present invention have been described in detail, but the present invention is not limited to the above embodiments. For example, in the above description, the form in which the present invention is applied to a general household vacuum cleaner has been described.
The vacuum cleaner to which the present invention can be applied is not limited to the above-described type, but can be applied to a vacuum cleaner of the type shown in FIGS.

[0031]

【Example】

The following non-woven fabric: Material: polypropylene fiber + polypropylene / polyethylene adhesive composite fiber Production method: fiber bonding method (thermal bonding) Average pore size: 50 μm Apparent density: 0.02 g / cm ³ Surface density: 200 g / m ² Thickness: 10 mm Charged Chemical treatment: Yes (Polarized charge: 4 × 10 ^-4 coulomb / cm
² ) Pressure loss: 0.2 to 1.0 mmAq (condition of processing air velocity 10 cm / sec) was cut to obtain a filter 1 having a length of 130 mm and a width of 200 mm.

Then, the filter 1 is bonded to the periphery of the exhaust port 4 (length 70 mm, width 140 mm) of the vacuum cleaner 3 as shown in FIG. 1 by a double-sided adhesive tape 2 (length: 130 mm and 180 mm, width: 25 mm). 3 and FIG. 4 were obtained.

The vacuum cleaner was operated and exhausted (wind speed: 5
When the collection rate of the medium dust by the filter 1 was measured, the dust in the exhaust gas (particle diameter: 0.3 to 0.5 μm) was measured.
Was reduced by filter 1 to about 1/3.

[0034]

As described above, according to the present invention,
It is possible to easily attach an external filter for an exhaust port, which can efficiently reduce dust contained in exhaust gas, to any vacuum cleaner that is already on the market or that will be marketed in the future. Therefore, according to the present invention, it is possible to obtain a vacuum cleaner with an external filter for an exhaust port, in which the amount of dust contained in the exhaust gas is extremely small.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a state in which one embodiment of an external filter kit for an exhaust port of the present invention is attached to a vacuum cleaner.

FIG. 2 is an exploded perspective view showing a state in which another embodiment of the external filter kit for an exhaust port of the present invention is attached to a vacuum cleaner.

3 is a perspective view showing the vicinity of an exhaust port of the vacuum cleaner to which the external filter for an exhaust port shown in FIG. 1 is attached.

FIG. 4 is a partially cutaway sectional view of the vacuum cleaner to which the external filter for an exhaust port shown in FIG. 1 is attached.

FIG. 5 is a perspective view showing another embodiment of the vacuum cleaner to which the external filter for an exhaust port of the present invention is attached.

FIG. 6 is a perspective view showing still another embodiment of the vacuum cleaner to which the external filter for an exhaust port of the present invention is attached.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Filter, 2 ... Joining member, 3 ... Vacuum cleaner main body, 4
... Exhaust port, 5 ... Release paper, 7 ... Exhaust, 31 ... Motor, 32
... Fan, 33 ... Main filter, 34 ... Built-in filter.

Claims (11)

[Claims] 1. An average pore diameter of 10 to 300 μm, an apparent density of 0.001 to 0.05 g / cm ³ , and an areal density of 50 to 50.
A filter made of a nonwoven fabric of 0 g / m ² and capable of covering an exhaust port of a vacuum cleaner, and a joining member capable of joining the filter to the exhaust port. The external filter kit for the vacuum cleaner exhaust port. 2. The kit according to claim 1, wherein the nonwoven fabric has a bonding portion at a fiber intersection. 3. The kit according to claim 1, wherein the non-woven fabric contains a heat-adhesive fiber and has a bonding portion formed by heat-adhesion of the heat-adhesive fiber. 4. The filter according to claim 1, wherein the filter has a thickness of 3 to 50 mm and is charged.
The kit according to any one of claims 1 to 3. 5. The method according to claim 1, wherein the joining member is an adhesive tape, an adhesive,
The at least one member selected from the group consisting of a hook-and-loop fastener and a clip-type fastener.
The kit according to any one of claims 4 to 4. 6. An average pore diameter of 10 to 300 μm, an apparent density of 0.001 to 0.05 g / cm ³ , and an areal density of 50 to 50.
A filter made of a non-woven fabric of 0 g / m ² is cut into a shape covering an exhaust port of a target vacuum cleaner, the filter is arranged so as to cover the exhaust port, and the filter is joined to the exhaust port. A method for attaching an external filter for an exhaust port of a vacuum cleaner, wherein the filter is joined by a member. 7. The filter according to claim 6, wherein the filter has a thickness of 3 to 50 mm and is charged.
The method described in. 8. The adhesive member according to claim 8, wherein the adhesive member is an adhesive tape, an adhesive,
7. At least one member selected from the group consisting of a hook-and-loop fastener and a clip-type fixing device.
Or the method of 7. 9. An electric vacuum cleaner having an average pore diameter of 10 to 300 μm and an apparent density of 0.001.
~0.05g / cm ^3, and a filter surface density is a nonwoven fabric is 50 to 500 g / m ^2, and covers the outlet port of the vacuum cleaner, a joining member is joined to the filter to the exhaust port ,
A vacuum cleaner equipped with an external filter for an exhaust port, comprising: 10. The vacuum cleaner according to claim 9, wherein the filter has a thickness of 3 to 50 mm and is charged. 11. The electric cleaning device according to claim 9, wherein the joining member is at least one selected from the group consisting of an adhesive tape, an adhesive, a hook-and-loop fastener, and a clip-type fixing device. Machine.