JP2011036753A - Filter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a filter which can easily filter water with a familiar receiver without using an exclusive receiver. <P>SOLUTION: A container 4 having a double-wall structure is formed by disposing an inner filter 2 on the inside of an outer filter 3 with a predetermined spacing therebetween, and a filter 1 is configured by filling a filtration material 5 into the closed space S formed between the inner filter 2 and the outer filter 3. The filter 1 can be used by placing the filter 1 on an arbitrary receiver. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a filter.

  Conventionally, as a filter, a pot type is known (for example, refer to Patent Document 1).

  In Patent Document 1, a partition is provided in a pot body to define a raw water chamber for storing raw water and a water purification chamber for storing purified water, and the raw water chamber and the water purification chamber are communicated with each other via a cartridge type filter. The raw water accommodated in the raw water chamber is filtered through a filter to produce purified water, which is then accommodated in the purified water chamber.

Special table 2007-533436 gazette

  However, such a conventional filter is configured as a pot type, and the cartridge type filter is designed in a predetermined shape so that it can be incorporated into the bottom of the partition wall. Therefore, in order to filter raw water, the above-described dedicated pot body must be used, and other containers cannot be used instead. Further, since the cartridge type filter is incorporated in the bottom of the partition wall, it is impossible to use the filter itself.

  Then, an object of this invention is to obtain the filter which can filter water easily with a familiar container without requiring a special container.

  In the first aspect of the invention, a double-walled container body is formed which includes an inner filter and an outer filter, and a sealed space is formed between the two filters, and the filter medium is filled in the sealed space. It is characterized by that.

  According to a second aspect of the present invention, in the filter according to the first aspect, the container body has a side surface formed in a tapered shape, and an open port is formed on the enlarged diameter side thereof. And

  According to a third aspect of the present invention, in the filter according to the first or second aspect, the container body is provided with one or more tabs on an outer peripheral portion of the outer filter on the opening side. It is characterized by.

  According to a fourth aspect of the present invention, in the filter according to any one of the first to third aspects, the water permeability of the inner filter is made higher than the water permeability of the outer filter. .

  In invention of Claim 5, in the filter of any one of Claims 1-4, the said filter medium contains the mineral filter medium containing the mineral component at least. .

  According to the first aspect of the present invention, when the raw water is poured from the opening of the double-walled container body composed of the inner filter and the outer filter, the raw water is accumulated inside the container body, and the accumulated raw water is collected in the inner filter. And passes through the outer filter and falls downward. At this time, since the filter medium is filled in the sealed space formed between the two filters, the raw water passing through the outer filter from the inner filter is filtered by the filter medium to become purified water and falls from the container body. It will be. And the purified water which falls can be received by the arbitrary containers which can mount a container body.

  Thus, according to the first aspect of the present invention, a dedicated container for filtering the raw water becomes unnecessary, and water can be easily filtered with a container such as a familiar cup.

  According to the invention of claim 2, since the side surface of the container body is formed in a tapered shape and the opening is formed on the diameter-expanded side, the side surface formed in the tapered shape is fitted in the mouth of an arbitrary container. It becomes possible to place it, and it becomes possible to ensure the stability of the container body when it is placed in any container.

  Further, by making the side surface tapered, a plurality of container bodies can be easily stacked, and the filtration performance can be improved more easily.

  According to the invention of claim 3, since the tab can be gripped by providing one or more tabs on the outer peripheral portion of the outer filter on the opening side, the handleability of the filter is improved.

  According to the invention of claim 4, since the water permeability of the inner filter is higher than the water permeability of the outer filter, clogging of the inner filter can be suppressed and a stable filtration process can be easily performed.

  According to the invention of claim 5, since the filter medium includes a mineral filter medium containing at least a mineral component, the mineral component contained in the mineral filter medium is eluted when the raw water passes through the filter medium. Thereby, a mineral component can be added, filtering raw | natural water with a filter medium, and the purified water containing a mineral can be produced easily.

FIG. 1 is a cross-sectional view of a filter according to a first embodiment of the present invention. FIG. 2 is a cross-sectional view showing a usage state of the filter shown in FIG. FIG. 3 is a cross-sectional view showing one use mode of the filter shown in FIG. FIG. 4 is a cross-sectional view of a filter according to a second embodiment of the present invention. FIG. 5 is a cross-sectional view showing a usage state of the filter shown in FIG. FIG. 6 is a cross-sectional view of a filter according to a third embodiment of the present invention. FIG. 7 is a cross-sectional view of a filter according to a fourth embodiment of the present invention. FIG. 8 is a cross-sectional view showing a modification of the filter shown in FIG. 9A and 9B are diagrams showing a modification of the filter, in which FIG. 9A is a plan view, FIG. 9B is a front view, FIG. 9C is a side view, and FIG. It is A sectional drawing.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that similar components are included in the following embodiments. Therefore, in the following, common reference numerals are given to those similar components, and redundant description is omitted.

(First embodiment)
As shown in FIG. 1, the filter 1 according to the present embodiment forms a container body 4 having a double wall structure by an inner filter 2 and an outer filter 3, and a filter medium 5 is filled in the double wall. It is formed by.

  The container body 4 has a side surface 41 formed in a tapered shape having a certain angle, and an opening 42 is formed on the diameter-expanded side (the upper side in FIG. 1). In the present embodiment, the container body 4 is formed in a hollow conical shape. Therefore, the inner filter 2 and the outer filter 3 described above are each formed in a conical shape, and the inner filter 2 is disposed at a predetermined interval inside the outer filter 3. At this time, the peripheral portion 31 extended from the open port 42 side of the outer filter 3 is folded back to the open port 42 side of the inner filter 2, and the gap between the inner filter 2 and the outer filter 3 is blocked by the peripheral portion 31. A sealed space S is formed between the inner filter 2 and the outer filter 3. And the filter medium 5 mentioned above is filled in the sealed space S.

  The peripheral edge 31 of the outer filter 3 that is folded back is fixed to the end face of the inner filter 2 on the opening 42 side by heat welding or adhesion. In the present embodiment, the peripheral portion 31 extending from the outer filter 3 is closed between the inner filter 2 and the outer filter 3, but the peripheral portion is extended from the opening 42 side of the inner filter 2, and the peripheral portion Thus, the gap between the inner filter 2 and the outer filter 3 may be closed.

  The inner filter 2 and the outer filter 3 are each formed of a water permeable filter such as a non-woven fabric made of polyester, mesh, filter paper, and filter cloth. Moreover, as the filter medium 5, it is possible to use granular activated carbon, fibrous activated carbon, ion exchange resin, ion exchange fiber, chelating agent, ceramic adsorptive filter medium, etc., each of which can be used alone or in combination. Can be used.

  When raw water is poured from the opening 42 of the container body 4 using the filter 1 according to the present embodiment, the raw water is once stored inside the container body 4, and the stored raw water passes through the inner filter 2 and the outer filter 3. Then fall down. At this time, large foreign matters can be removed by the inner filter 2 and the outer filter 3. Further, since the sealed space S formed between the filters 2 and 3 is filled with the filter medium 5, the raw water passing through the outer filter 3 from the inner filter 2 is filtered by the filter medium 5 and purified water. And falls from the container body 4.

  Accordingly, by using the filter 1 in a state where it is placed on an arbitrary container, for example, the mouth 61 of the container 6 such as a mug as shown in FIG. 2, the purified water is directly stored in the container 6 for drinking. Can do.

  According to the above embodiment, since the raw water passing through the outer filter 3 from the inner filter 2 is filtered by the filter medium 5 to become purified water and falls from the container body 4, the filter 1 itself exhibits a filtering function. can do.

  Moreover, according to this embodiment, since the purified water which falls can be received by the arbitrary containers 6 in which the container body 4 can be placed, a dedicated container for filtering the raw water becomes unnecessary, and a familiar cup or the like can be used. Water can be easily filtered with the container 6. At this time, if the inner filter 2 and the outer filter 3 are formed of a flexible material, the filter 1 can be folded in two or the like, and it is excellent in storage and portability. .

  Further, according to the present embodiment, the container body 4 of the filter 1 is formed in a hollow conical shape, and the side surface 41 is formed in a tapered shape having a certain angle. The side surface 41 can be placed in a state of being fitted into the mouth 61 of the optional container 6, and the stability of the container body 4 can be ensured. At this time, by making the sharp tip A at the lower part of the container body 4 have an acute angle, it becomes easier for water to fall along the outer filter 3, so that the filtration speed can be further increased.

  Further, by forming the side surface 41 of the container body 4 in a tapered shape with a certain angle, it becomes easy to stack a plurality of container bodies 4 as shown in FIG. When using repeatedly, since raw | natural water passes the filter medium 5 of each filter 1, filtration performance can be improved further.

(Second Embodiment)
As shown in FIG. 4, the filter 1 </ b> A according to the present embodiment basically has the same configuration as the filter 1 of the first embodiment, and includes a double wall by the inner filter 2 and the outer filter 3. A container body 4 having a structure is formed, and a filter medium 5 is filled in the double wall.

  Here, this embodiment is mainly different from the first embodiment in that a plurality of tabs 7 are provided at appropriate intervals on the outer peripheral portion 3a of the outer filter 2 on the opening 42 side. One tab 7 may be provided.

  Further, the tab 7 may be formed integrally with the outer filter 2 when the outer filter 2 is formed, or the tab 7 formed separately may be attached by heat welding or adhesion. .

  In the present embodiment, a pair of tabs 7 are provided at positions opposed to the outer peripheral portion 3a on the open port 42 side, and are formed in a ring shape in which a hole 71 is opened. Moreover, it is preferable that the tab 7 has such a rigidity that the tab 7 does not easily deform when the filter 1A is lifted by holding the tab 7.

  Also according to this embodiment described above, the same operations and effects as those of the first embodiment can be achieved.

  In addition, according to the present embodiment, since one or more tabs 7 are provided on the outer peripheral portion 3a on the open port 42 side of the outer filter 3, the tabs 7 can be gripped, and the handleability of the filter 1A is improved. Can be made. In addition, since the tab 7 has a ring shape, the tab 71 can be hooked and hung, and the degree of freedom when using the filter 1 can be further improved.

  Further, according to the present embodiment, since at least the pair of tabs 7 are provided at the opposed positions of the outer peripheral portion 3a on the opening 42 side, the container 6A has a larger diameter than the filter 1A as shown in FIG. In some cases, a stick 8 such as chopsticks is inserted into the holes 71 of the pair of tabs 7 to support the filter 1A, and both ends of the stick 8 are passed through the mouth 61 of the large-diameter container 6A and used. Will be able to.

(Third embodiment)
As shown in FIG. 6, the filter 1B according to the present embodiment also has basically the same configuration as the filter 1 of the first embodiment, and has a double wall by the inner filter 2B and the outer filter 3B. A container body 4 having a structure is formed, and a filter medium 5 is filled in the double wall.

  Here, this embodiment is mainly different from the first embodiment in that the water permeability of the inner filter 2B is higher than the water permeability of the outer filter 3B. Permeability is the ability to allow water to pass through. Higher water permeability means that the water permeability coefficient becomes larger, and means that the eyes of the filter become larger and water can easily pass through. That is, in the present embodiment, the size of the eyes of the inner filter 2B is larger than the size of the eyes of the outer filter 3B.

  Also according to this embodiment described above, the same operations and effects as those of the first embodiment can be achieved.

  Moreover, according to this embodiment, since the water permeability of the inner filter 2B is higher than the water permeability of the outer filter 3B, clogging of the inner filter 2B can be suppressed, and a stable filtration process is easily performed. Become.

  In addition, although this embodiment showed the case where it applied to the said 1st Embodiment, the structure of this embodiment is applicable to 2nd Embodiment.

(Fourth embodiment)
As shown in FIG. 7, the filter 1 </ b> C according to the present embodiment has basically the same configuration as the filter 1 of the first embodiment, and includes a double wall by the inner filter 2 and the outer filter 3. A container body 4 having a structure is formed, and a filter medium 5C is filled in the double wall.

  Here, this embodiment is mainly different from the first embodiment in that the filter medium 5C includes a mineral filter medium 51 containing at least a mineral component. In the present embodiment, a filter medium 5C in which a mineral filter medium 51 and a water purification filter medium 52 are mixed is used.

  The mineral filter medium 51 is a filter medium containing a mineral component, and has both a filtration function and a mineral component elution function. Moreover, the mineral component contained in the mineral filter medium 51 is a component useful for the human body, such as generally known calcium, magnesium, or sodium. Furthermore, the filter medium 52 for water purification is the same as the filter medium 5 shown in the first to third embodiments.

  Also according to this embodiment described above, the same operations and effects as those of the first embodiment can be achieved.

  Moreover, according to this embodiment, since the filter medium 5C was used by mixing the mineral filter medium 51 and the filter medium 52 for water purification, the raw water contained in the mineral filter medium 51 when passing through the filter medium 5C. Mineral components are eluted. Thereby, a mineral component can be added, filtering raw | natural water with the filter medium 5C, and the purified water containing a mineral can be produced.

  In the present embodiment, the case where the present invention is applied to the first embodiment has been described. However, the configuration of the present embodiment can be applied to the second and third embodiments.

  FIG. 8 shows a modification of the fourth embodiment, and in this modification, a case where a filter 1D in which the filter medium 5D is composed only of the mineral filter medium 51 is used is illustrated.

  In this modification, as shown in FIG. 8, the filter 1D is the filter 1 shown in the first embodiment (may be the filters 1A and 1B shown in the second and third embodiments). The filter 1 using only the filter medium 5 is overlapped with the filter 1. At this time, the filter 1 </ b> D using only the mineral filter medium 51 is arranged below the filter 1 using only the filter medium 5.

  Thus, according to the filter 1D according to the present modification, the filter 1D can be used alone, but as shown in FIG. 8, it is used in combination with the filter 1 using only the filter material 5. Thus, the filtration function can be improved.

  That is, when the filter 1D according to the present embodiment is used alone, the mineral component contained in the mineral filter medium 51 is eluted when the raw water passes through the filter medium 5D. Together with it, you can create mineral water.

  As shown in FIG. 8, when the filter 1D according to the present embodiment and the filter 1 using only the filter material 5 are used in combination, the purified water filtered by the filter 1 passes through the filter 1D. In doing so, a mineral component is added to the purified water. Therefore, in this case, the raw water can be filtered with high efficiency by the filter 1 using only the filter medium 5, and the mineral component can be added with high efficiency by the filter 1D using only the mineral filter medium 51.

  In this modification, the filter 1D may be used in a plurality of stages, and in that case, the mineral component addition efficiency can be further increased.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiments, and various modifications can be made. For example, in each of the above embodiments, the container body is illustrated as having a hollow conical shape. However, the present invention is not limited to this, and as shown in FIG. The container body 4E formed as described above may be formed into a double wall structure with the inner filter 2 and the outer filter 3, and a filter 1E formed by filling the filter medium 5 in the double wall may be used. . Moreover, it is also possible to use what formed the container body in the shape of a truncated cone. Even in such a shape, since the side surfaces are formed in a tapered shape, a plurality of container bodies can be easily stacked.

  Furthermore, it is also possible to use a container body whose side surfaces are not tapered.

DESCRIPTION OF SYMBOLS 1, 1A, 1B, 1C, 1D, 1E Filter 2 Inner filter 3 Outer filter 3a Outer part of outer filter 4, 4E Container body 42 Opening port 5, 5C, 5D Filter medium 51 Mineral filter medium 52 Filter medium for water purification 7 Tab S Sealed space

Claims (5)

  A filter comprising an inner filter and an outer filter, a double-walled container body in which a sealed space is formed between the two filters, and a filter medium filled in the sealed space.   2. The filter according to claim 1, wherein the container body has a side surface formed in a tapered shape, and an open port is formed on an enlarged diameter side thereof.   The filter according to claim 1 or 2, wherein the container body is provided with one or more tabs on an outer peripheral portion of the outer filter on the opening side.   The filter according to any one of claims 1 to 3, wherein the water permeability of the inner filter is higher than that of the outer filter.   The filter according to any one of claims 1 to 4, wherein the filter medium includes a mineral filter medium containing at least a mineral component.

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