JP4995874B2 - Filtration equipment and water purifier - Google Patents

Description

  The present invention relates to a filtration device that produces raw water by filtering raw water such as tap water, and a water purifier using the same.

  As a conventional water purifier, it is a filtration device between an outer container having a purified water storage part in which purified water is stored and an inner container having a raw water storage part that is stored in the upper part of the outer container and into which raw water is poured. Some cartridges are provided with a water purification cartridge, and the above-mentioned water purification cartridge is loaded with a granular filter medium and has an air vent at the top (see, for example, Patent Document 1).

JP 2004-230341 A

  However, in the above prior art, since the air vent is provided at the top, when the water purification cartridge is not used, such as during transportation or storage, if it is laid down or turned upside down, the encapsulated granular filter medium will be Leak from the air vent. Therefore, at present, measures are taken to seal the air vent with tape or film, but there is a risk that a part of the tape or film may be peeled off during transportation. The filter medium leaks and stains the surroundings, or the filtration performance is degraded.

  In addition, the water purification cartridge is used by manually removing the tape or film with the air vent sealed, but if you forget to remove the tape or film, the raw water in the inner container will not be passed through the water purification cartridge, The function as a water purification cartridge will be impaired.

  Therefore, an object of the present invention is to provide a filtration device that can open an air vent more reliably during use while preventing leakage of a filter medium that is closed and enclosed when not in use.

  In the first aspect of the present invention, the container is used by being installed inside the outer container body, and has a sealed container that encloses the purification material, and has a water inlet and a water inlet higher than the water inlet at the top of the sealed container. A filtration device having an air vent at a position and a purified water discharge port at a lower portion of the enclosure, and having a break along the opening shape of the air vent to close the air vent And a push rod that pushes the closing portion and breaks from the breaking portion by closing a cover provided at a water supply port of the outer container body.

  In the invention of claim 2, it is used by being installed inside the outer container body, and has a sealed container containing the purification material, and has a water inlet and a water inlet above the sealed container. An air vent is provided at a position, and is a filtration device provided with a purified water discharge port at a lower portion of the enclosed container, a closing portion that closes the air vent, a hook portion that protrudes from the closing portion, and A protrusion is provided on the inner side of the outer container body and engages with the hook when the filtering device is installed to open the closing part.

  In the invention of claim 3, the container is used by being installed inside the outer container body, and has a sealed container that encloses a purification material, and has a water inlet and a water inlet higher than the water inlet at the top of the sealed container. The filtration device is provided with an air vent at a position and a purified water discharge port at a lower portion of the enclosed container, wherein the air vent is closed with a water-soluble member that dissolves in water.

  According to the invention of claim 4, an outer container body comprising an outer container for storing purified water and an inner container that is disposed on the inner upper part of the outer container and into which raw water is poured, constitutes the outer container body, A filtration device accommodating portion that communicates with the outer container and accommodates one of the filtration devices according to any one of claims 1 to 3 in a watertight manner is provided at the bottom of the filter.

  According to the invention of claim 1, after installing the filtration device in the outer container body and pouring water, the air vent is opened using the cover for closing the water supply port of the outer container body. By closing the cover at the time of use, the closed portion where the air vent is closed can be pushed and broken with the push rod, so that the air vent can be reliably opened. At this time, since the closed portion has a fractured portion along the opening shape of the air vent, the closed portion can be broken along the fractured portion when pushed by the thrust rod, so the air vent is fully opened. It becomes easy.

  According to the second aspect of the present invention, when the filtration device is installed in the outer container body, the air vent opening is opened. When the filter device is pushed inward to install the filtration device, the air vent is released. The hooking portion protruding from the closing portion of the mouth engages with the protruding portion of the outer container body to open the closing portion, so that the air vent port can be reliably opened.

  According to the third aspect of the present invention, the raw water is poured after the filtering device is installed in the outer container body so that the air vent is opened. The raw water poured by the water-soluble member that has closed the air vent It is dissolved naturally and can surely open the air vent.

  According to the invention of claim 4, the water purifier is configured by using any one of the filtration devices of claims 1 to 3, and the filtration device is installed in the filtration device housing portion provided at the bottom of the inner container. Thus, the raw water poured into the inner container is filtered by the filtration device and collected in the outer container, and can be drunk. At this time, since the filtering device according to any one of claims 1 to 3 is used, it is possible to prevent the contained purification material from leaking from the air vent when not in use, and the air vent is manually inserted when the filter is used. It can be opened and the filtering device can function without depending on.

It is sectional drawing of the water purifier using the filtration apparatus concerning 1st Embodiment of this invention. It is an external appearance perspective view of the filtration apparatus shown in FIG. It is sectional drawing of the filtration apparatus shown in FIG. It is sectional drawing of the operation state of the filtration apparatus shown in FIG. It is sectional drawing of the water purifier using the filtration apparatus concerning 2nd Embodiment of this invention. It is sectional drawing of the filtration apparatus shown in FIG. It is sectional drawing of the operation state of the filtration apparatus shown in FIG. It is sectional drawing of the filtration apparatus concerning 3rd Embodiment of this invention.

  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]
FIGS. 1-4 is the figure which showed 1st Embodiment of the filtration apparatus concerning this invention and a water purifier using the same.

  As shown in FIG. 1, the filtration device according to the present embodiment includes a filtration cartridge 1 that is detachably installed on the outer container body 7. As shown in FIGS. 2 and 3, the filtration cartridge 1 includes a purification material 2 contained in an enclosure 3. The purification material 2 is formed into a granular shape using activated carbon, an ion exchange resin, or the like, and removes components that change the odor and taste in water, harmful components, and hardness components that are obstructive factors depending on the purpose of use.

  The sealed container 3 is provided as a sealed container by a bottomed cylindrical lower case 4 whose upper side is opened and a lid 5 that closes the upper opening 3a of the lower case 4. At the center of the bottom surface 41 of the lower case 4, a middle chamber 42 that is recessed with a predetermined space volume is provided, and a lower chamber 43 having a reduced diameter is provided below the middle chamber 42. A purified water discharge port 44 is formed on the bottom surface of 43.

  In addition, radial ribs 45 project from the bottom surface 41 centering on the middle chamber 42, and the porous water collecting plate 6 is placed above the ribs 45 with the bottom raised. The water collecting plate 6 is closely fitted to the inner periphery of the lower case 4, and a plurality of holes having a diameter smaller than the particle size of the purifying material 2 are formed. The water collecting plate 6 dams the purifying material 2. Stopped.

  Accordingly, the inside of the lower case 4 above the water collecting plate 6 is a purification chamber 46 in which the purification material 2 is loaded, and the ribs 45 are interposed between the water collecting plate 6 and the bottom surface 41, so that A space is formed between the water collecting plate 6 and the bottom surface 41, and the purified water that has passed through the purification material 2 is dropped from almost the entire surface of the water collecting plate 6. Further, the middle chamber 42 is a space for storing the additive 21 for adding nutritional components, beauty components, and even taste to the purified water that has passed through the purification material 2, but the additive 21 is not necessarily provided. .

  The lid 5 is provided with an annular wall 52 that hangs downward on the periphery of the upper surface 51 formed substantially flat, and the annular wall 52 is closely fitted to the outer periphery of the upper opening 3 a of the lower case 4. . At this time, between the annular wall 52 and the outer periphery of the upper opening 3a, concave / convex portions 53, 47 that engage with each other in a sealed state of the lid 5 are formed. 47 prevents the lid 5 from being easily separated from the lower case 4, and a more reliable watertight state is maintained by the pressure contact of the concave and convex portions 53 and 47.

  As shown in FIG. 2, a plurality of water inlets 54 are formed at substantially equal intervals in the circumferential direction at the peripheral edge of the upper surface 51 of the lid 5. An air reservoir 55 is provided in the shape of a trapezoidal cross section, and an air vent 56 is formed on the top surface of the air reservoir 55. At this time, the air reservoir 55 is provided at a position higher than the water introduction port 54, and the raw water is introduced into the sealed container 3 from the water introduction port 54, so that the air in the purification chamber 46 becomes the water introduction port. The air moves to the air reservoir 55 located higher than 54, and the air accumulated in the air reservoir 55 is discharged from the air vent 56. Further, the water introduction port 54 is covered with a mesh 54 a so as to prevent foreign substances from entering the purification chamber 46 and to prevent the purification material 2 from leaking from the water introduction port 54.

  Further, on the upper surface 51 of the lid 5, an annular knob 58 is provided substantially concentrically with the air reservoir 55 via ribs 57 that project radially from the outside of the air reservoir 55. The annular knob 58 is a portion that is gripped when the filtration cartridge 1 is installed. In addition, as shown in FIG. 2, the annular knob 58 is formed with vertical slits 58a located between the ribs 57 so that the raw water remaining between the ribs 75 is discharged from the slits 58a. It has become.

  As shown in FIG. 1, the filtration cartridge 1 of the present embodiment is used in a pot-shaped outer container body 7 to constitute a water purifier 8. The outer container body 7 includes an outer container 71 that stores the purified water filtered by the filtration cartridge 1 and an inner container 72 that is disposed on the inner upper portion of the outer container 71 and into which raw water is poured.

  The inner container 72 is attached in an eccentric state to the one side surface 71 a of the outer container 71, and a water injection port 73 for pouring purified water accumulated in the outer container 71 between the inner container 72 and the other side surface 71 b of the outer container 71. A lid 73 a is provided at the outlet of the water inlet 73 so as to be freely opened and closed.

  Further, a water supply port 74 for pouring raw water into the inner container 72 is provided at the upper end of the inner container 72, and the water supply port 74 is opened and closed via a hinge 75a disposed on the opposite side to the water injection port 73. A flexible cover 75 is provided.

  A cartridge housing portion 76 as a filtration device housing portion is recessed in the bottom portion 72 a of the inner container 72, and a short cylinder that communicates the inner container 72 and the outer container 71 with the bottom portion 76 a of the cartridge housing portion 76. An opening 76b is formed, and the middle chamber 42 of the filtration cartridge 1 is closely fitted into the opening 76b.

  Then, the filtration cartridge 1 is fitted into the cartridge housing portion 76 from the inside of the inner container 72. At this time, as shown in FIG. 2, a spiral projection 49 is formed on the outer periphery of the side wall 48 of the lower case 4. The filtration cartridge 1 is rotated in the cartridge housing portion 76 by rotating the annular knob 58 by engaging the spiral projection 49 with the spiral recess 77 provided inside the cartridge housing portion 76. Tightened and fixed inside. At this time, the bottom surface 41 of the lower case 4 is pressed against the bottom portion 76a of the cartridge housing portion 76 to maintain a watertight state. In particular, the bottom surface 41 of the lower case 4 is opposed to the bottom portion 76a of the cartridge housing portion 76. It is preferable to provide a concentric annular seal portion 60 on the surface. In this case, the annular seal portion 60 may be provided as a separate part without protruding integrally from the bottom surface 41. In this case, the annular seal portion 60 is formed of an elastic material such as rubber. It is preferable. Of course, by rotating the annular knob 58 in the reverse direction, the filtration cartridge 1 can be taken out from the cartridge housing portion 76, and the filtration cartridge 1 can be easily replaced.

  Here, the filtration device of the present embodiment is provided with a closing structure portion 100 that opens the air vent 56 during use while preventing leakage of the filter medium 4 that is closed and contained when the filtration cartridge 1 is not used. ing.

  Specifically, as shown in FIG. 3, the closing structure portion 100 of the present embodiment has a breaking portion 101 along the opening shape of the air vent port 56 and closes the air vent port 56, As shown in FIGS. 1 and 4, a push rod 103 that pushes the closing portion 102 and breaks from the breaking portion 101 by closing the cover 75 provided in the water supply port 74 of the outer container body 7 is configured. .

  As shown in FIG. 1, the push rod 103 is suspended from the lower surface of the cover 75 with a predetermined length and behaves integrally with the cover 75. That is, when pouring raw water into the inner container 72, the cover 75 is opened and the water supply port 74 is opened. In this state, the push rod 103 is lifted obliquely upward. When the water supply port 74 is closed by the cover 75 after the water supply is finished, the push rod 103 is lowered along with the closing operation of the cover 75, and in the vicinity where the cover 75 completely closes the water supply port 74, The tip of the push rod 103 reaches the closing part 102. In this state, the cover 75 is pushed strongly to completely close the water supply port 74, so that the push rod 103 pushes the closing portion 102 strongly from above, and the closing portion 102 is broken from the breaking portion 101 as shown in FIG. The

  Therefore, in the water purifier 8 provided with the filtration device of the present embodiment, the raw water poured into the inner container 72 enters the enclosure 3 from the water introduction port 54 of the filtration cartridge 1, and then between the granular purification materials 2. The filtered purified water is dropped into a space between the water collecting plate 6 and the bottom surface 41 of the lower case 4. And when it reaches the middle stage chamber 42 along the bottom face 41 and the additive 21 is accommodated in this middle stage chamber 42, the component of the additive 21 is added to purified water.

  The purified water that has reached the middle chamber 42 passes through the lower chamber 43, falls from the purified water discharge port 44 to the bottom 71 c of the outer container 71, and is gradually stored in the outer container 71. And the collected purified water can be poured into containers, such as a cup, from the water injection port 73 which inclined the outer container 71 and opened the lid | cover 73a.

  With the above configuration, according to the filtration device of the present embodiment, the closing structure portion 100 is provided in the closing portion 102 having the fracture portion 101 and closing the air vent 56 and the water supply port 74 of the outer container body 7. And a pushing rod 103 that pushes the closing portion 102 by the closing of the cover 75 and breaks from the breaking portion 101. Thus, after the filtration cartridge 1 is installed in the outer container body 7 and water is injected, the water supply port of the outer container body 7 is closed by the cover 75, thereby pushing the closing portion 102 that closes the air vent 56 and pushing the rod 103. Therefore, the air vent 56 can be opened reliably. In addition, since the breaking portion 101 of the closing portion 102 is provided along the opening shape of the air vent 56, it is easy to fully open the air vent 56 when the closing portion 102 is broken by pushing with the push rod 103. Become.

  Further, the water purifier 8 configured using the filtration device of the present embodiment has the function of the filtration cartridge 1 of the present embodiment by installing the filtration cartridge 1 in the cartridge housing portion 76 provided in the bottom 72 a of the inner container 72. The raw water poured into the inner container 72 is filtered by the filtration cartridge 1 and stored in the outer container 72, and can be drunk.

  By the way, in the filtration cartridge 1 of the present embodiment, when the filtration cartridge 1 is installed in the cartridge housing portion 76, the spiral protrusion 49 provided on the outer periphery of the side wall 48 of the lower case 4 is provided inside the cartridge housing portion 76. Therefore, the filtration cartridge 1 can be easily attached and detached by a simple operation of rotating the annular knob 58.

[Second Embodiment]
Next, a second embodiment of the present invention will be described with reference to the drawings. 5-7 is the figure which showed the filtration apparatus concerning this embodiment.

  As shown in FIG. 5, the filtration cartridge 1 </ b> A of the present embodiment is used for the outer container body 7 including the outer container 71 and the inner container 72 as in the first embodiment, and the cartridge housing portion of the inner container 72. A water purifier 8A is configured by installing the filtration cartridge 1A in 76.

  As shown in FIG. 6, the filtration cartridge 1 </ b> A has an enclosure 3 that encloses the purification material 2 basically as in the first embodiment, and the enclosure 3 has a purified water discharge port 44 on the bottom surface. The lower case 4 is formed, and the lid 5 is provided with a water inlet 54 and an air reservoir 55. Further, the air vent 56 is sealed by a closing structure portion 100A that is self-opened when the filtration cartridge 1 is used.

  Here, this embodiment is mainly different from the first embodiment in that the closing structure portion 100A closes the air vent 56 and the closing portion 104 as shown in FIGS. Is provided on the inner side of the outer container body 8, more specifically on the bottom 72a of the inner container 72, and engages with the hook part 105 when the filtration cartridge 1A is installed to close the closing part 104. And a projecting portion 106 that opens.

  As with the first embodiment, the air vent 56 is formed on the top surface of the top surface 51 of the lid 5 with an air reservoir 55. In this embodiment, the air reservoir 55 is Eccentricity is provided near the peripheral edge of the upper surface 51. A closing portion 104 for closing the air vent 56 is formed integrally with the hinge portion 104a from the air reservoir 55, and the closing portion 104 can open and close the air vent 56 via the hinge portion 104a. At this time, the hinge portion 104a is provided with an urging force in the closing direction of the closing portion 104 and an urging force that maintains the open state when the hinge portion 104a is opened more than a certain amount as shown in FIG. During use, the closed state is maintained as shown in FIG. Even when the air reservoir 55 is provided eccentrically, the annular knob 58 is removed from the air reservoir 55 and provided at the center of the upper surface 51 as in the first embodiment.

  The hooking portion 105 is provided so as to protrude from the outer periphery of the closing portion 104 in the direction opposite to the center side of the filtration cartridge 1A, and the hooking portion 105 is formed thicker than the closing portion 104. Sufficient strength is provided so that it will not be easily deformed even when engaged.

  As shown in FIG. 5, the protrusion 106 has a predetermined amount of the bottom 72a of the inner container 72 at a position corresponding to the air reservoir 55, that is, the filtration cartridge 1A is completely accommodated in the cartridge accommodating portion 76. The hook portion 105 and the protruding portion 106 are projected by a predetermined height so as to interfere with each other. At this time, the protrusion 106 is preferably formed thick so that it does not easily deform when the hook 105 is engaged.

  Therefore, in the filtration device of the present embodiment, when the filtration cartridge 1A is installed in the cartridge housing portion 76, that is, when the spiral knob 49 is engaged with the spiral recess 77 and tightened by gripping the annular knob 58, During the tightening, the hooking portion 105 is engaged with the protruding portion 106, and the closing portion 104 is opened by further tightening from the engaged state. And after the closing part 104 opens, an open state is maintained by the urging | biasing force of the hinge part 104a, and the air vent 56 is opened.

  With the above configuration, according to the filtration device of the present embodiment, the closing structure portion 100A protrudes from the closing portion 104 that closes the air vent 56, and the hooking portion 105A is installed when the filtration cartridge 1A is installed. Since 105 is engaged with the protrusion 106 provided on the inner side of the outer container body 8 to open the closing portion 104, the air vent 56 is reliably opened by the operation of installing the filtration cartridge 1A in the outer container body 8. Can be made.

  Further, the water purifier 8 configured using the filtration device of the present embodiment has the function of the filtration cartridge 1A of the present embodiment by installing the filtration cartridge 1A in the cartridge housing portion 76 provided in the bottom 72a of the inner container 72. The raw water poured into the inner container 72 is filtered by the filtration cartridge 1 and stored in the outer container 72, and can be drunk.

[Third Embodiment]
Next, a third embodiment of the present invention will be described with reference to the drawings. FIG. 8 is a diagram illustrating the filtration device according to the present embodiment.

  As shown in FIG. 8, the filtration cartridge 1B of the present embodiment has an enclosing container 3 that encloses the purifying material 2 basically as in the first embodiment, and the enclosing container 3 has purified water on the bottom surface. The lower case 4 in which the discharge port 44 is formed, and the lid 5 provided with the water introduction port 54 and the air reservoir 55 are configured. Further, the air vent 56 is sealed by a closing structure portion 100B that is self-opened when the filtration cartridge 1 is used.

  Here, this embodiment is mainly different from the first embodiment in that the closing structure 100B is configured by closing the air vent 56 with a water-soluble member 107 that dissolves in water.

  As the water-soluble member 107, for example, there is an oblate-like member formed of starch as a material. Of course, any other material that is harmless to the human body and can be dissolved in water and maintain a certain shape can be used. Good.

  The air reservoir 55 of the filtration cartridge 1B of the present embodiment is provided at the center of the upper surface 51 of the lid 5 as in the first embodiment, and a concentric annular knob centering on the air reservoir 55. 58 is provided.

  With the above configuration, according to the filtration device of the present embodiment, the closing structure 100B is configured by closing the air vent 56 with the water-soluble member 107 that dissolves in water. 107 is naturally dissolved by the raw water poured, and the air vent 56 can be reliably opened.

  Although not shown in the present embodiment, the function of the filtration cartridge 1B of this embodiment is exhibited by installing the filtration cartridge 1B in the cartridge housing portion 76 provided on the bottom 72a of the inner container 72. On the other hand, the raw water poured into the inner container 72 is filtered by the filtration cartridge 1 and stored in the outer container 72, which can be drunk.

  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, the filtration cartridges 1, 1 </ b> A, 1 </ b> B are installed in the cartridge housing portion 76 via the spiral protrusion 49 and the spiral recess 77, but are simply press-fitted without using the spiral protrusion 49 and the spiral recess 77. It may be the type to be made. In this case, the cross-sectional shape of the sealed container 3 is not limited to a circular shape and can be provided as an arbitrary cross-sectional shape.

  Further, the shape of the outer container 71 and the inner container 72 constituting the outer container body 7 is not limited to this embodiment, and may be any shape or structure. In short, the raw water poured into the inner container 72 is the filtration cartridge 1. Any structure may be used as long as it passes through 1A and 1B and is stored in the lower container 71.

DESCRIPTION OF SYMBOLS 1, 1A, 1B Filtration cartridge 2 Purifying material 3 Enclosed container 44 Purified water discharge outlet 54 Water inlet 56 Air vent 7 Outer container body 71 Outer container 72 Inner container 72a Inner container bottom part 74 Water supply port 75 Cover 76 Cartridge accommodating part (Filtration Device housing)
100, 100A, 100B Closing structure portion 101 Breaking portion 102 Closing portion 103 Pushing rod 104 Closing portion 105 Hooking portion 106 Protruding portion 107 Water-soluble member

Claims (4)

Installed and used inside the outer container body, has a sealed container containing a purification material, and has a water inlet at the top of the sealed container and an air vent at a position higher than the water inlet, A filtration device provided with a purified water discharge port at the bottom of the enclosure,
Breaking from the breaking portion by pushing the closing portion by closing the cover provided at the water supply port of the outer container body, and a closing portion that has a breaking portion along the opening shape of the air vent and closes the air vent A filtering device, characterized by comprising a pushing rod that performs the above-described operation. Installed and used inside the outer container body, has a sealed container containing a purification material, and has a water inlet at the top of the sealed container and an air vent at a position higher than the water inlet, A filtration device provided with a purified water discharge port at the bottom of the enclosure,
A closing portion that closes the air vent, a hook portion that protrudes from the closing portion, and an inner portion of the outer container body that engages with the hook portion when the filtering device is installed to open the closing portion. A filtration device comprising a protrusion. Installed and used inside the outer container body, has a sealed container containing a purification material, and has a water inlet at the top of the sealed container and an air vent at a position higher than the water inlet, A filtration device provided with a purified water discharge port at the bottom of the enclosure,
A filtration device, wherein the air vent is closed with a water-soluble member that dissolves in water.   An outer container for storing purified water, and an inner container that is disposed on the inner upper portion of the outer container and into which raw water is poured, constitutes an outer container body, and communicates with the outer container at the bottom of the inner container A water purifier comprising a filtration device housing portion for watertightly housing the filtration device according to any one of claims 1 to 3.

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