JP6159970B2 - Water server - Google Patents

Description

  The present invention relates to a water purification element container, a water purification cartridge, and a water server including these.

  In order to remove chlorine, trihalomethane, harmful chemical substances, and the like contained in tap water, water purifiers equipped with a water purification cartridge containing activated carbon or the like are widely used in homes and the like (see, for example, Patent Document 1).

JP 2008-55374 A

  As disclosed in Patent Document 1, according to the water purifier in which different types of water purification elements are provided in layers inside, processing according to the number of layers of the water purification elements can be performed on tap water. .

  However, the combination of the types of the internal water purification elements is determined, and it is difficult for the user to freely change the combination of the types of the water purification elements. For this reason, the flavor, components, etc. of the drinking water purified by the water purifier are always the same, and the drinking water provided from the water purifier may not match the user's preference and purpose (cooking, tea, coffee etc.). Arise.

  This invention is made | formed in view of such a situation, and it aims at providing the water purification cartridge etc. which a user can select and combine an internal water purification element freely.

The water server of the present invention includes a water container having a water inlet opening upward, and an opening hole provided through the bottom wall of the water container, the opening hole being provided below the water container. An upright cylindrical part and an engaging part for engaging and supporting a cylindrical member from above on the lower end inside the cylindrical part are provided, a bottom plate having a water passage hole, and water purification together with the bottom plate A first peripheral wall erected on the upper outer periphery of the bottom plate so as to form an element accommodating portion; and a second peripheral wall having an outer diameter smaller than the outer diameter of the first peripheral wall erected on the outer periphery of the bottom surface of the bottom plate; , And an internal thread is formed in the inner peripheral part or the outer peripheral part of the second peripheral wall.

Moreover, in this water server, the 1st water purifying element container which has an engaging part engaged with the engaging part of the said opening hole in the clearance gap between the said 2nd peripheral wall and standing below the outer peripheral part of the said 1st peripheral wall, a bottom plate having a water-passing hole, wherein the first peripheral wall with a bottom plate which is erected on the surface periphery of the bottom plate so as to form a water purifier element accommodating portion, the erected beneath the outer periphery of the bottom plate first wall of A second water purification element container having a second peripheral wall having an outer diameter larger than the outer peripheral part, a male screw formed on the outer peripheral part of the first peripheral wall, and a female screw formed on the inner peripheral part of the second peripheral wall. .

Further, the water server includes a cylindrical member (hereinafter referred to as a “water purification cartridge”) that is integrally assembled and divided in a state where the first water purification element container and one or more second water purification element containers are lined up in a row. ") .
The water server includes a cap that is fitted along the upper inner wall of the cylindrical portion of the opening hole and opens downward, and the cap includes an opening for communicating with the inside of the water container.

According to the water purification cartridge , by connecting a plurality of water purification element containers in a row and screwing a screw formed on one adjacent second peripheral wall and a screw formed on the other adjacent first peripheral wall, A plurality of water purification element containers can be connected in a row so as to be disassembled.

  The water purification cartridge of the present invention comprises a plurality of water purification element containers capable of passing water, and an assembling means for assembling the plurality of water purification element containers in a state in which the water purification element containers are connected in a row.

  According to the water purification cartridge having such a configuration, since the plurality of water purification element containers are assembled so as to be disassembled, it becomes easy to freely select and combine the water purification elements in the water purification cartridge.

  The water purification cartridge of the present invention is, for example, the water purification cartridge described above, wherein the water purification element container stands on the outer periphery of the surface of the bottom plate so as to form a water purification element accommodating portion together with the bottom plate having a water passage hole and the bottom plate. A first peripheral wall provided and a second peripheral wall erected on the outer periphery of the back surface of the bottom plate, and the assembling means is formed on the first peripheral wall of one adjacent water purification element container. 1 screw and a second screw formed on the second peripheral wall of the other adjacent water purification element container and screwable to the first screw.

  The water server of the present invention includes a water container having a tap water inlet, a water purification cartridge provided through the bottom wall of the water container, and the water purification cartridge described above, installed under the water container, A purified water storage container that stores purified water that has passed through the cartridge, a purified water heating device that warms purified water supplied from the purified water storage container, and purified water that cools purified water supplied from the purified water storage container And a cooling device.

  Further, the water server of the present invention includes a first water container having a water inlet opening upward, the water purification cartridge provided through the bottom wall of the first water container, and a bottom of the water container. And a purified water storage container that stores the purified water that has passed through the purified water cartridge, and further includes a second water container. The second water container is inserted into the first water container in a nested manner from the water injection port, and is provided through the inlet opening upward and the bottom wall of the second water container. A secondary filtration filter is provided. Water poured from the water inlet of the second water container passes through the primary filtration filter and is injected into the first water container.

  In the case of a water server of this configuration, when injecting contaminated water, a second water container is provided inside in addition to the normal first water container, and the contaminated water is first filtered by the primary filtration filter of the second water container. After filtration, it can be purified with a normal water purification cartridge.

  According to the water purification element container, the water purification cartridge, and the water server of the present invention, the user or the like can freely select and combine the water purification elements in the water purification cartridge.

It is a front view which shows the water server etc. which concern on embodiment of this invention, Comprising: One part is cut in cross section. It is sectional drawing which shows the water purification cartridge of FIG. 1, and its vicinity. (A) It is a top view which shows the water purification element container (water purification element container arrange | positioned in the uppermost position) which concerns on embodiment of this invention, (b) is the longitudinal cross-sectional view cut | disconnected by the plane containing the centerline . (A) It is a top view which shows the water purification element container which concerns on embodiment of this invention, (b) is the longitudinal cross-sectional view cut | disconnected by the plane containing the centerline. It is sectional drawing for demonstrating the assembly procedure of the water purification cartridge which concerns on embodiment of this invention. (A) It is a top view which shows the modification of the water purification element container (water purification element container arrange | positioned in the uppermost position) which concerns on embodiment of this invention, (b) is the longitudinal cross-section cut | disconnected by the plane containing the centerline FIG. (A) It is a top view which shows the modification of the water purification element container which concerns on embodiment of this invention, (b) is the longitudinal cross-sectional view cut | disconnected by the plane containing the centerline. (A) It is a top view which shows the water purification element container which concerns on other embodiment of this invention, (b) is the longitudinal cross-sectional view cut | disconnected by the plane containing the centerline. It is sectional drawing for demonstrating the assembly procedure of the water purification cartridge which concerns on other embodiment of this invention. It is sectional drawing which shows the water purification cartridge which concerns on other embodiment of this invention. It is front sectional drawing which shows the other water server etc. which concern on embodiment of this invention, Comprising: It is a modification of the upper part of FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a view showing a water server 1 equipped with a water purification cartridge 3 according to an embodiment of the present invention. 2 is a water container, 4 is a purified water storage container, 5 is a hot water tank, 7 is a cold water tank, 8 is a faucet for hot water, 9 is a faucet for room temperature water, and 10 is a faucet for cold water.

  The water container 2 has a water container body 13 having an opening (tap water inlet) 11 that opens upward, and a lid 12 that can open and close the opening 11. The water purification cartridge 3 is fitted through the opening hole 14 formed in the bottom wall 13a of the water container body 13.

  The purified water storage container 4 is installed directly below the water container 2 on the water server body 6 and temporarily stores purified water purified by flowing down the water passage in the purified water cartridge 3.

  The hot water tank 5 is connected to the purified water storage container 4 via a pipe 22 so that purified water is supplied from the purified water storage container to the hot water tank 5. The hot water tank 5 functions as a purified water heating device that heats purified water stored therein to a predetermined temperature. The hot water tank 5 is connected to a hot water faucet 8 via a pipe (not shown). By opening the hot water faucet 8, the hot water in the hot water tank 5 passes through the faucet 8 to the user. Supplied.

  The cold water tank 7 is connected to the purified water storage container 4 via a pipe 23, and purified water is supplied from the purified water storage container to the cold water tank 7. The cold water tank 7 functions as a purified water cooling device that cools the purified water inside. The cold water tank 7 is connected to a cold water faucet 10 via a pipe (not shown). By opening the cold water faucet 10, the cold water in the cold water tank 7 passes through the faucet 10 to the user. Supplied. The water server according to the present embodiment includes both the hot water tank 5 (purified water heating device) and the cold water tank 7 (cooling device), but the hot water tank 5 (purified water heating device) or the cold water tank 7 (cooling device). ) May be provided.

  In addition to the faucets 8 and 10, the water server 1 includes a faucet 9 for room temperature water. The room-temperature water faucet 9 is connected to the purified water storage container 4 via a pipe 24. By opening the room-temperature water faucet 9, room-temperature water in the purified water storage container 4 is transferred to the faucet 9. To be supplied to the user. A water tray 25 that receives water spilled from the taps 8 to 10 is installed under the taps 8 to 10.

  Next, the water purification cartridge 3 will be described in detail. As shown in FIG. 2, the water purification cartridge 3 includes a plurality of water purification element containers 31 and 32 capable of passing water, and is fitted in the opening hole 14 in the bottom wall 13 a of the water container 2. An engaging portion 14a is formed in the opening hole 14, and engages with an engaging portion 31a formed in the water purification cartridge 3 (the uppermost water purification element container 31) to fix the water purification cartridge 3 in a predetermined position. doing. An O-ring 37 is provided above the engaging portions 14a and 31a. The O-ring 37 is for ensuring the water tightness of the gap between the outer periphery of the water purification element container 31 and the opening hole 14.

  A cap 41 is fitted into the opening hole 14 of the bottom wall 13 a of the water container on the upstream side of the water purification cartridge 3. The cap 41 has a large number of slits 41a extending in the vertical direction, and tap water is introduced into the water purification cartridge 3 through the slits 41a.

  3A is a plan view of the uppermost water purification element container 31, FIG. 3B is a longitudinal sectional view of the container 31, and FIG. 4A is a plan view of other water purification element containers 32, FIG. 4B is a longitudinal sectional view of the water purification element container 32.

  As shown in FIG. 3, the uppermost water purification element container 31 includes a bottom plate 31b having a large number of small water passage holes h, and a peripheral wall 31c (hereinafter referred to as “first peripheral wall 31c”) erected on the outer periphery of the surface of the bottom plate 31b. And a peripheral wall 31d (hereinafter also referred to as “second peripheral wall 31d”) standing on the outer periphery of the back surface of the bottom plate 31b. A water purification element accommodating portion C is formed by the bottom plate 31b and the first peripheral wall 31c. The leading edge of the first peripheral wall 31c forms an opening 31z for taking in and out the water purification element. The water passage hole h has a size (for example, a through hole having a diameter of 1 mm to several mm) that allows only water to pass while holding a predetermined granular water purification element in the container 31. The uppermost water purification element container 31 is formed with an O-ring groove 31e for mounting the aforementioned engaging portion 31a and the aforementioned O-ring 37. A female screw 31f is formed on the inner peripheral portion of the second peripheral wall 31d at a position surrounding the water passage hole h.

  As shown in FIG. 4, the other water purification element containers 32 also have a bottom plate 32 b having a large number of small water passage holes h, and a peripheral wall 32 c (hereinafter referred to as “first peripheral wall 32 c”) erected on the outer periphery of the surface of the bottom plate 32 b. And a peripheral wall 32d (hereinafter also referred to as “second peripheral wall 32d”) standing on the outer periphery of the back surface of the bottom plate 32b. Similarly, a water purification element accommodating portion C is formed by the bottom plate 32b and the first peripheral wall 32c, and the tip edge of the first peripheral wall 32c forms an opening 32z for taking in and out the water purification element. The size of the water hole h is the same as the water hole h described for the water purification element container 31. A female screw 32f is formed on the inner peripheral portion of the second peripheral wall 32d at a position surrounding the water passage hole h, and a male screw 32g is formed on the outer peripheral portion of the first peripheral wall 32c. In the present embodiment, the male screw 32g can be screwed to the aforementioned female screws 31d and 32d. For this reason, as shown in FIG. 2, the water purification element containers 31 and 32 are arranged in a row in the same direction, and the female threads 31d and 32d of one adjacent water purification element container and the male thread 32g of the other water purification element container adjacent to each other. Can be assembled in a state in which the water purification element containers 31 and 32 are connected in a row so as to be disassembled.

  Next, the assembly procedure of the water purification cartridge 3 will be described. First, a plurality (six in this embodiment) of water purification element containers 31 and 32 are filled with different water purification elements 51 to 56 according to the user's request.

  Next, as shown in FIG. 5, the front and back surfaces of the water purification element containers 31, 32,..., 32 are directed in the same direction, and the male screws of the adjacent water purification element containers 31, 32,. 32g and female screws 31f and 32f are screwed in sequence. Thereby, the six water purification element containers 31, 32, ..., 32 have the water passage holes 31 of the bottom plate 31b of one adjacent water purification element container and the openings 31z, 32z of the other water purification element container adjacent to each other. One water purification cartridge 3 is formed in a row in a state of being connected. Next, the water purification cartridge 3 is fitted into the opening hole 14 of the bottom wall 13a of the water container 2 so that the water purification element container 31 is at the uppermost position, and the engaging portion 31a formed in the water purification element container 31 is opened to the opening hole 14. Is engaged with an engaging portion 14a provided on the outer surface. And finally, the cap 41 is mounted on the opening hole 14 of the bottom wall 13a of the water container 2 from above.

  As shown in FIG. 2, the assembled water purification cartridge 3 can be easily disassembled into each water purification element container, so the combination of various water purification elements 51 to 56 filled in the water purification cartridge 3 is changed. In order to do so, a procedure reverse to the procedure described above may be executed. That is, the cap 41 is removed from the opening hole 14, and the water purification cartridge 3 is pulled upward from the opening hole 14 in the bottom wall 13 a of the water container 2. And each water purifying element container 31, 32, ..., 32 is disassembled apart by loosening screws 31f, 32f, 32g screwing each water purifying element container 31, 32, ..., 32 to each other. can do. After the water purification elements 51 to 55 loaded in the water purification element containers 31, 32,... 32 are replaced with other water purification elements, the water purification element containers 31, 32,. , 32 are assembled to assemble the water purification cartridge 3 and inserted into the opening hole 14 from above.

  There are various types of the water purification elements 51 to 56 filled in the water purification element containers 31, 32, ..., 32, and there is no particular limitation, but as an example of what is filled, (1) minus Ion ceramic balls, (2) barley stone balls, (3) platinum colloid ceramics, (4) far-infrared ceramic balls, (5) special hydrogen generating ceramics, (6) scallop calcium shells, (7) bamboo charcoal ceramic balls, (8 ) Vitamin C-eluting ceramic balls, (9) vanadium ceramic balls, (10) antibacterial / bactericidal ceramic balls, (11) silver-added activated carbon, and (12) terahertz ores. Note that a filter having a fine joint may be loaded as the water purification element 56 in the lowermost water purification element container 32.

  In the water server 1 having the above configuration, when tap water 28 is injected from the opening 11 of the water container 2 using a pitcher 27 or the like as shown in FIG. Is introduced into the water purification cartridge 3.

  Each time the tap water introduced into the water purification cartridge 3 passes through the water purification elements 51 to 56 housed in the water purification element containers 31, 32,. The tap water passing through the purified water cartridge 3 is discharged into the purified water storage container 4 from the water passage hole h (see FIG. 2) of the lowermost purified water element container 32 and temporarily stored in the purified water storage container 4. Is done. When the cold water tap 8 or the hot water tap 10 is opened, the water in the hot water tank 5 or the cooling water tank 7 is discharged to the outside. At this time, as the amount of water in the tanks 5 and 7 decreases. The purified water in the purified water storage container 4 is supplied into the tanks 5 and 7.

  As is clear from the above description, according to the embodiment of the present invention, the user can freely select and easily combine the water purification elements 51 to 56 in the water purification cartridge 3 to produce desired drinking water. be able to. For example, by providing various water purification elements in advance, it is possible to drink water that has a flavor that suits the user's taste, water that is suitable for various dishes and beverages (tea, whiskey water split, candy, etc.), and safety. It is possible to freely make water and so on that emphasizes the user's convenience.

<Modified example of water purification element container>
FIG. 6 shows a water purification element container 31A in which the female screw 31f is a male screw in the water purification element container 31 described above. That is, in this water purification element container 31A, instead of forming the internal thread 31f on the inner peripheral part of the second peripheral wall 31d, the external thread 31j is formed on the outer peripheral part of the second peripheral wall 31d. The male screw 31j can be screwed to a female screw 32h described later. In addition, about another structure, it is the structure similar to the water purification element container 31, and the same code | symbol as FIG. 3 is attached | subjected about the same structure in FIG.

  FIG. 7 shows a water purification element container 32A in which the female screw 32f is a male screw and the male screw 32g is a female screw in the water purification element container 32 described above. That is, in this water purification element container 32A, instead of forming the external thread 32g on the outer peripheral part of the first peripheral wall 32c, the internal thread 32h is formed on the inner peripheral part of the first peripheral wall 32c, and the internal thread on the inner peripheral part of the second peripheral wall 32d. Instead of forming 32f, a male screw 32j is formed on the outer peripheral portion of the second peripheral wall 32d. The female screw 32h can be screwed onto the male screws 31j and 32j. In addition, about another structure, it is the structure similar to the water purification element container 32, and about the same structure, the same code | symbol as FIG. 4 is attached | subjected in FIG.

  The water purification element containers 31A and 32A according to the modified examples as shown in FIGS. 6 and 7 are configured by replacing the male screw and the female screw in the water purification element containers 31 and 32 described above. Therefore, it goes without saying that the same effect can be obtained even if the water purification element containers 31A and 32A according to this modification are employed instead of the water purification element containers 31 and 32 described above.

<Other embodiments>
In the above-described embodiment, screws 31f, 32f, 32g, etc. formed on the peripheral wall of the water purification element container are used as assembling means for assembling the water purification element containers 31, 32 in a row so as to be disassembled. However, the assembling means is not limited to the screws 31f, 32f, and 32g, and may be constituted by other things.

  Like the water purification element container 33 shown in FIG. 8, it consists of a bottom plate 33b having a large number of small water passage holes h, and a peripheral wall 33c erected on the outer periphery of the surface of the bottom plate 33b, and has a screw portion and a second peripheral wall. A plurality of non-uses may be employed, and as shown in FIG. 9, the plurality of water purification element containers 33 may be stacked one above the other and fitted into the cylindrical member 38 (see FIG. 10). At the lower end of the cylindrical member 38, a flange 38a projects inward, and the lower end of the lowermost water purification element container 33 is supported by the flange 38a. Further, an engaging portion 38 b that engages with an engaging portion 14 a formed around the opening hole 14 is formed on the outer peripheral portion of the upper end of the cylindrical member 38. In the case of this embodiment, the cylindrical member 38 is responsible for assembling means for assembling the water purification element containers 33 in a row so that they can be disassembled.

  Since the water purification cartridge 3 </ b> A composed of the water purification element container 33 and the tubular member 38 is only fitted in the state where the water purification element container 33 is stacked on the tubular member 38, the water purification element container 33 can be easily taken out from the tubular member 38. Can do. That is, even when the water purification cartridge 3A according to the present embodiment is employed, the user can freely select and combine the water purification elements 51 to 55 in the water purification cartridge, similarly to the case where the water purification cartridge 3 described above is employed. it can.

  In the embodiment described above, the engaging portion 14a provided around the opening hole 14 of the bottom wall 13a and the engaging portion 31a provided in the water purification element container 31 (or the engaging portion 38b provided in the tubular member 38). ), The water purification cartridge 3 (or the water purification cartridge 3A) is fixed in a state of being fitted in the opening hole 14, but the means for fixing is not limited to that by the engagement portion. For example, instead of providing the engaging portion 14a, a female screw is formed on the inner peripheral portion of the opening hole 14, and a predetermined position of the outer peripheral portion of the water purification cartridge 3, 3A (for example, the outer peripheral portion of the water purification element container 31 that is the uppermost position) A male screw that is screwed to the female screw is formed on the outer periphery of the upper end of the cylindrical member 38, and the water purification cartridges 3 and 3A are fixed by being fitted into the opening holes 14 of the bottom wall 13a by screwing these screws. May be.

  In the above, the water purification cartridges 3 and 3A have been described as water purification cartridges for water servers. However, the uses of these water purification cartridges 3 and 3A are not limited to those used by being installed in the water server. For example, it can be applied to a water purification cartridge in a water purifier.

<Addition of primary filter>
Further, as shown in FIG. 11, the water server adds a primary filtration filter 51 to once filter highly contaminated water and then injects the water into a normal first water container 2 (water container 2 in FIG. 1). Is also possible. Specifically, a second water container 50 is further provided in addition to the normal first water container 2 shown in FIG. The second water container 50 is inserted into the first water container 2 in a nested manner from the water injection port 11, and penetrates the inlet 52 opened upward and the bottom wall of the second water container 50. A primary filtration filter 51 is provided. Water injected from the water injection port 52 of the second water container 50 passes through the primary filtration filter 51 and is injected into the first water container 2.

  The second water container 50 is an annular member 50a whose upper part is bent toward the first water container 2. The first water container 2 carries the second water container 50 by the annular member 50a. In the case of a water server having this configuration, when contaminated water is poured, the contaminated water can be further purified by simply adding the second water container 50 inside the normal first water container 2. For example, when the contaminated water in the pond near the Fukushima nuclear power plant after the disaster was analyzed using the water server in FIG. 11, cesium 134 was 10.6 ± 0.728 (Bq / kg) and cesium 137 was 16 before filtration. When 2 ± 0.962 (Bq / kg), both components were not detected after filtration (analysis result by Mitsubishi Materials Corporation).

  The present invention can be applied to a water purification cartridge in a water server or a water purification cartridge in a water purifier.

2 Water container (first water container)
3,3A Water purification cartridge 4 Purified water storage container 5 Hot water tank (purified water heating device)
7 Cooling water tank (purified water cooling device)
13a Bottom wall 31, 31A, 32, 32A Water purification element container 31b, 32b Bottom plate 31c, 32c First peripheral wall 31d, 32d Second peripheral wall 31f, 32f Female screw 31j, 32j, 32g Male screw 38 Tube member h Water passage hole 50 Second water Container 51 Primary filtration filter 52 Water inlet

Claims (3)

A water container having a water inlet opening upward;
An opening hole provided through the bottom wall of the water container, the opening hole standing from below the water container, and a cylindrical portion standing below the water container. An engaging portion for engaging and supporting the cylindrical member;
Furthermore, a bottom plate having a water passage hole,
A first peripheral wall erected on the upper outer periphery of the bottom plate so as to form a water purification element accommodating portion together with the bottom plate;
A second peripheral wall that is erected on the outer periphery of the back surface of the bottom plate and has an outer diameter smaller than the outer diameter of the first peripheral wall, an internal thread is formed on the inner peripheral portion of the second peripheral wall, and the outer peripheral portion of the first peripheral wall is A first water purification element container having an engaging portion that is erected downward and engages with an engaging portion of the opening hole in a gap with the second peripheral wall;
A bottom plate having a water passage hole;
A first peripheral wall erected on the outer periphery of the surface of the bottom plate so as to form a water purification element accommodating portion together with the bottom plate;
A second peripheral wall that is erected on the lower outer periphery of the bottom plate and has a larger outer diameter than the outer peripheral portion of the first peripheral wall, and an external thread is formed on the outer peripheral portion of the first peripheral wall, and an inner peripheral portion of the second peripheral wall A water purification cartridge comprising a second water purification element container formed with a female screw,
A water purification cartridge formed as a cylindrical member that can be integrally assembled and divided in a state in which the first water purification element container and one or more second water purification element containers are lined up in a row ;
Furthermore, a cap that is fitted along the upper inner wall of the cylindrical portion of the opening hole and that opens downward is provided.
The cap has an opening for communicating with the inside of the water container,
Water server. The water server according to claim 1,
A water container having a tap water inlet;
Provided through the bottom wall of the water container, and the purification cartridge,
A purified water storage container that is installed under the water container and stores purified water that has passed through the water purification cartridge; and
A purified water heating device for heating purified water supplied from the purified water storage container;
A purified water cooling device for cooling purified water supplied from the purified water storage container;
With a water server. The water server according to claim 1 or 2,
A first water container having a water inlet opening upward;
Provided through the bottom wall of the first water container, and the purification cartridge,
A purified water storage container that is installed under the water container and stores purified water that has passed through the water purification cartridge ; and
The first water container further includes a second water container that is inserted in a nested manner from the water injection port, and the second water container is provided through the inlet opening upward and the bottom wall of the second water container. The water server is provided with the primary filtration filter, and water injected from the water inlet of the second water container passes through the primary filtration filter and is injected into the first water container.