TWI615190B - Drinking fountain - Google Patents

Abstract

An object of the present invention is to provide a water purification filter and the like, in which a user can freely select a water purification element in a combination.

The solution of the present invention includes: a plurality of water purification element containers 31 and 32 capable of passing water; and an assembly method for disassembling and assembling the plurality of water purification element containers 31 and 32 in a row. The aforementioned water purification element containers 31 and 32 have: bottom plates 31b and 32b having water passage holes h; first peripheral walls 31c and 32c standing on the outer periphery of the surface of the bottom plate to form a water purification element storage portion C together with the bottom plate; On the second peripheral walls 31d and 32d on the outer periphery of the back surface of the bottom plate, the aforementioned assembly means is composed of the following components: a first spiral 32g adjacent to the first peripheral wall of the first water purification element container, and The second peripheral wall of the water purification element container formed on the other side can be screwed to the second spiral 31f of the first spiral.

Description

Water dispenser

The present invention relates to a water purification element container and a water purification cartridge, and a water server provided with the water purification element container and the water purification cartridge.

In order to remove chlorine, trihalomethane, harmful chemicals, etc. contained in tap water, it contains activated carbon, etc. Water purifiers for water purification filters are popular in homes and other households (see, for example, Patent Document 1)

[Patent Document 1] Japanese Patent Laid-Open No. 2008-55374

As disclosed in Patent Document 1, by disposing the water purification elements of mutually different types in a layered water purifier, the tap water can be treated in accordance with the number of layers of the water purification elements.

However, the combination of the types of water purification elements has been determined, and it is difficult for a user to freely change the combination of the types of water purification elements. Therefore, the taste or composition of drinking water purified by the water purifier is always the same, and the drinking water provided by the water purifier does not meet the user's preference or use (cooking, tea, coffee, etc.). situation.

The present invention has been made in view of such an actual situation, and an object thereof is to provide a water purification filter, etc., in which a user can freely select a water purification element in a combination.

The water dispenser of the present invention comprises: a water container having a water injection opening that is open above; an opening hole provided through the bottom wall of the water container; the opening hole is erected in a cylindrical portion below the water container, The engaging portion that engages and supports a cylindrical member from above and is supported on the inner side of the lower end of the cylindrical portion includes: a bottom plate having a water hole; and a water purification element receiving portion is formed together with the bottom plate and is erected above the bottom plate. The first peripheral wall of the outer periphery; the second peripheral wall standing on the outer periphery of the back surface of the bottom plate and having an outer diameter smaller than that of the first peripheral wall. Female threads are formed on the inner or outer peripheral portion of the second peripheral wall. screw).

The water dispenser further includes a first engaging portion having an engaging portion which is erected below the outer peripheral portion of the first peripheral wall and engages with the engaging portion of the opening hole in a gap with the second peripheral wall. A water purification element container; comprising: a bottom plate having a through hole; a third peripheral wall standing on the outer periphery of the surface of the bottom plate to form a water purification element accommodating part together with the aforementioned bottom plate; A fourth peripheral wall having a large third peripheral wall is formed with a male screw on the outer peripheral portion of the third peripheral wall, and a second water purification element container with internal threads is formed on the inner peripheral portion of the fourth peripheral wall; The water dispenser is a cylindrical member (hereinafter also referred to as "clean") which is integrally assembled and divided in a state where the first water purification element container and one or more of the second water purification element containers below are aligned in a row. Water filter]]).

Furthermore, the water dispenser includes a lid which is fitted along the inner wall of the upper end of the cylindrical portion of the opening hole and is opened below, and the lid includes an opening for communicating with the inside of the water container.

According to the first to third water purification element containers described above, by arranging the plurality of water purification element containers in a row, the spiral formed adjacent to the second peripheral wall on one side and the adjacent spiral formed on the other side are formed in the first week. The spiral of the wall can detachably connect a plurality of water purification element containers into a row.

The water purification filter of the present invention comprises: a plurality of water purification element containers that can pass water; and a state in which the plurality of water purification element containers are arranged in a row. The assembly means for disassembling assembly; the first to third water purification element containers.

According to the water purification filter having the relevant structure, since the plurality of water purification element containers are detachably assembled, it is easy to freely select and combine the water purification elements in the water purification filter.

According to the water purification filter of the present invention, for example, in the water purification filter described above, the water purification element container has: a bottom plate having a through hole; and a water purification element storage portion formed together with the bottom plate and standing on the bottom plate. The first peripheral wall on the outer periphery of the surface; the second peripheral wall standing on the outer periphery of the back surface of the bottom plate, the assembly means is composed of the following components: the first peripheral wall adjacent to the first peripheral wall of the water purification element container A spiral, and the second peripheral wall of the water purification element container formed adjacent to the other can be screwed to the second spiral of the first spiral.

The water dispenser of the present invention comprises: a water container having an injection port for tap water; a water purification filter described above penetrating the bottom wall of the water container; and disposed under the water container and stored through the water purification filter A purified water storage container for purified water (clarified water); a purified water heating device for heating the purified water supplied from the purified water storage container; and a purified water cooling device for cooling the purified water supplied from the purified water storage container.

Furthermore, the water dispenser of the present invention includes not only: a first water container having a water inlet opening above; the water purification filter provided through the bottom wall of the first water container; or disposed below the water container The purified water storage container storing the purified water passing through the aforementioned water purification filter core further includes a second water container. The second water container is inserted into the first water container through the injection port. It is nested, and is provided with an injection opening that is open above and a primary filter that penetrates the bottom wall of the second water container. The water injected from the injection port of the second water container is injected into the first water container through the primary filter.

In the case of a water dispenser of this configuration, when polluted water is injected, it is added to a normal first water container and a second water container is provided inside. First, the polluted water can be filtered through a primary filter of the second water container and then passed through a normal net. Water filter for purification.

According to the water purification element container, the water purification filter and the water dispenser of the present invention, a user and the like can freely choose a combination of water purification elements in the water purification filter.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a water dispenser 1 equipped with a water purification filter 3 according to an embodiment of the present invention. 2 is a water container, 4 is a purified water storage container, 5 is a warm water tank, 7 is a cold water tank, 8 is a warm water faucet, 9 is a normal temperature water faucet, and 10 is a cold water faucet.

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

The purified water storage container 4 is disposed directly below the water container 2 on the water dispenser body 6 and temporarily stores the water flow path flowing down into the water purification filter 3 And purified water.

The warm water tank 5 is connected to the piping 22 via the purified water storage container 4 to supply purified water from the purified water storage container to the warm water tank 5. The warm water tank 5 functions as a purified water heating device that heats purified water stored in the interior to a predetermined temperature. The warm water tank 5 is connected to the hot water faucet 8 through a pipe (not shown), and when the hot water faucet 8 is opened, the warm water in the warm water tank 5 is supplied to the user through the warm water faucet 8.

The cold water tank 7 is connected to the piping 23 via the purified water storage container 4 to supply purified water 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 purified water inside. The cold water tank 7 is connected to the cold water faucet 10 through a pipe (not shown), and when the cold water faucet 10 is opened, the cold water in the cold water tank 7 is supplied to the user through the cold water faucet 10. The drinking fountain according to this embodiment includes both a warm water tank 5 (purified water heating device) and a cold water tank 7 (cooling device), but only includes a warm water tank 5 (purified water heating device) or a cold water tank 7 (cooling device). Either of them can.

In addition to the above-mentioned faucets 8 and 10, the water dispenser 1 is provided with a faucet 9 for normal temperature water. The normal temperature water faucet 9 is connected to the purified water storage container 4 via a pipe 24. When the normal temperature water faucet 9 is opened, the normal temperature water in the purified water storage container 4 is supplied to the user through the normal temperature water faucet 9. In addition, a water tray 25 is provided below the above-mentioned faucets 8 to 10 to receive water that overflows from the faucets 8 to 10.

Next, the water purification filter 3 will be described in detail. As shown in FIG. 2, the water purification filter 3 includes a plurality of water purification element containers 31 and 32 that can pass through water, and is embedded in Opening hole 14 in the bottom wall 13a of the water inlet container 2. An engaging portion 14 a is formed in the opening hole 14, and the engaging portion 31 a formed in the water purification filter 3 (the water purification element container 31 at the highest position) is engaged to fix the water purification filter 3 at a predetermined position. In addition, an O-ring 37 is disposed above the engaging portions 14a and 31a. The O-ring 37 is used to ensure the watertightness of the gap between the outer periphery of the water purification element container 31 and the opening hole 14.

A cap 41 is fitted in the opening hole 14 of the bottom wall 13 a of the water container 2 on the upstream side of the water purification filter 3. The cover 41 has a plurality of slits 41a extending around the upper and lower sides, and the tap water is introduced into the water purification filter 3 through the slits 41a.

FIG. 3 (a) is a top view of the water purification element container 31 at the highest position, FIG. 3 (b) is a longitudinal sectional view of the water purification element container 31, and FIG. 4 (a) is a plan view of another water purification element container 32. FIG. 4 (b) is a longitudinal sectional view of the water purification element container 32. FIG.

As shown in FIG. 3, the water purification element container 31 at the highest position includes a bottom plate 31b having a plurality of small through-holes h, and a peripheral wall 31c (hereinafter also referred to as "first cycle" Wall 31c]); 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. The bottom plate 31b and the first peripheral wall 31c form a water purification element housing portion C. The top edge of the first peripheral wall 31c forms an opening 31z for taking out and putting in the water purification element. The water passage hole h is made to have a size (for example, a through hole having a diameter of 1 mm to several mm) while holding a predetermined granular water purification element in the water purification element container 31 while allowing water to pass therethrough. The water purification element container 31 at the highest position is formed with the engaging portion 31a described above, and The O-ring groove 31e of the O-ring 37 described herein. A female screw 31f is formed in an inner peripheral portion of the second peripheral wall 31d located at a position surrounding the water passage hole h.

As shown in FIG. 4, the other water purification element container 32 also includes a bottom plate 32 b having a plurality of small through holes h, and a peripheral wall 32 c (hereinafter also referred to as a “first cycle”) standing on the outer periphery of the surface of the bottom plate 32 b. Wall 32c]); 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 31b. Similarly, the bottom plate 32b and the first peripheral wall 32c form a water purification element accommodating portion C, and the top edge of the first peripheral wall 32c forms an opening portion 32z for taking out and placing the water purification element. The size of the water passage hole h is the same as the water passage hole h described with respect to the water purification element container 31 described above. A female screw 32f is formed in an inner peripheral portion of the second peripheral wall 32d located at a position surrounding the water passage hole h, and a male screw 32g is formed in an outer peripheral portion of the first peripheral wall 32c. In this embodiment, the male screw 32g can be screwed with the internal threads 31d and 32d described above. Therefore, as shown in FIG. 2, by arranging the water purification element containers 31 and 32 in the same direction in the same direction, the internal threads 31 d and 32 d of the water purification element container adjacent to one another are screwed with the adjacent other water purification element containers. 32g of male spirals of the water purification element container are disassembled and assembled in a state where the water purification element containers 31 and 32 are aligned.

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

Next, as shown in FIG. 5, the surfaces of the water purification element containers 31, 32 ..., 32 are oriented in the same direction as the back surface, and the adjacent water purification element containers are screwed in order. The male screws 32g of the devices 31, 32 ..., 32 and the internal threads 31f, 32f. As a result, the six water purification element containers 31, 32 ..., 32 are formed in the through holes 31 of the bottom plate 31b of the adjacent water purification element container and the openings 31z, 32z of the adjacent water purification element container. In a connected state, the water purification filters 3 are arranged in a row. Next, the water purification filter 3 is set to the highest position of the water purification element container 31, and is inserted into the opening hole 14 of the bottom wall 13a of the water container 2, so that the engaging portion 31a formed in the water purification element container 31 is engaged with the distribution The engaging portion 14 a is provided in the opening hole 14. Then, at the end, the lid 41 is attached to the opening hole 14 of the bottom wall 13 a of the water container 2 from above.

As shown in FIG. 2, the assembled water purification filter 3 can be easily disassembled into each water purification element container. Therefore, when the combination of various water purification elements 51 to 56 filled in the water purification filter 3 is changed, etc., It is sufficient to execute the procedure opposite to the procedure described above. That is, the cover 41 is removed from the opening hole 14, and the water purification filter 3 is pulled out from the opening hole 14 of the bottom wall 13 a of the water container 2. Then, by loosening the spirals 31f, 32f, and 32g of each of the water purification element containers 31, 32, ..., 32, the water purification element containers 31, 32, ..., 32 can be fragmented and scattered. After replacing the water purification elements 51 to 56 filled in the water purification element containers 31, 32 ..., 32 with another water purification element, the water purification element containers 31, 32, ... are connected again by the procedure described above. 32 to assemble the water purification filter 3 and insert the opening hole 14 from above.

There are various types of water purification elements 51 to 56 filled in the water purification element containers 31, 32 ..., 32, and are not particularly limited. Examples of the substance to be filled include: (1), negative ions Ceramic ion (negative ion ceramic ball), (2), maifan stone ball, (3), Platinum colloid ceramic, (4), far infrared ceramic ball, (5), hydrogen generation special ceramic, (6), scallop shell calcium ), (7), bamboo charcoal ceramic ball, (8), vitamin C dissolving ceramic ball, (9), vanadium ceramic ball, (10), antibacterial, sterilizing ceramic ball, ( 11) Add silver activated carbon, (12), terahertz ore, etc. In addition, the water purification element container 32 at the lowest position may be filled with a fine-seal filter as the water purification element 56.

In the water dispenser 1 having the above configuration, as shown in FIG. 1, when a container 27 or the like is used and tap water 28 is injected from the opening 11 of the water container 2, the tap water 28 is introduced into the water container 2 disposed thereon. Inside the water purification filter 3 at the bottom.

The tap water introduced into the water purification filter 3 is subjected to various processes whenever it passes through the water purification elements 51 to 56 stored in the water purification element containers 31, 32 ..., 32. The tap water passing through the water purification filter 3 is discharged into the purified water storage container 4 through the water passing hole h (see FIG. 2) of the water purification element container 32 at the lowest position, and the purified water storage container 4 is temporarily stored. As soon as the hot water faucet 8 or cold water faucet 10 is opened, the water in the warm water tank 5 or the cold water tank 7 is discharged to the outside. At this time, the purified water is stored with the reduction of the amount of water in the warm water tank 5 and the cold water tank 7. Purified water in the container 4 is supplied into each of the warm water tank 5 and the cold water tank 7.

From the above description, it is clear that 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 filter 3, Can produce the required drinking water. For example, by preparing various water purification elements in advance, drinking water that meets the user's preference can be freely produced according to the convenience of the user, or suitable for various cooking and beverages (tea, watered whiskey, coffee, etc.), etc. Water, or safety-critical water.

<Modification of Water Purification Element Container>

FIG. 6 shows the water purification element container 31A in which the female screw 31f is used as a male spiral in the water purification element container 31 described above. That is, in this water purification element container 31A, instead of forming a female screw 31f on the inner peripheral portion of the second peripheral wall 31d, a male spiral 31j is formed on the outer peripheral portion of the second peripheral wall 31d. The male screw 31j can be screwed to an internal thread 32h described later. In addition, the other configurations are the same as those of the water purification element container 31, and the same configurations are denoted by the same reference numerals in FIG. 6 as those in FIG.

FIG. 7 shows the water purification element container 32A with the female screw 32f as the male screw and the male screw 32g as the female screw in the water purification device container 32 described above. That is, in this water purification element container 32A, instead of forming a male spiral 32g on the outer peripheral portion of the first peripheral wall 32c, an internal thread 32h is formed on the inner peripheral portion of the first peripheral wall 32c, instead of the inner periphery of the second peripheral wall 32d. A female screw 32f is formed in the portion, and a male spiral 32j is formed in the outer peripheral portion of the second peripheral wall 32d. The internal thread 32h may be screwed to the male screws 31j and 32j. In addition, the other configurations are the same as those of the water purification element container 32, and the same configurations are denoted by the same reference numerals in FIG. 7 as those in FIG.

The water purification element containers 31A and 32A according to the modification shown in FIGS. 6 and 7 are configured by replacing the male screw and the internal thread in the water purification element containers 31 and 32 described above. Therefore, of course, even if the The water purifying element containers 31A and 32A can be used in place of the water purifying element containers 31 and 32 described above to obtain the same effect.

<Other embodiments>

In the embodiment described above, the assembly means for disassembling the assembly in a state where the plurality of water purification element containers 31 and 32 are arranged in a row may use an internal thread formed on a peripheral wall of the water purification element container. 31f, female screw 32f, male screw 32g, etc., but the above-mentioned assembly means is not limited to the female screw 31f, female screw 32f, and male screw 32g, and may be constituted by other members.

The water purification element container 33 shown in FIG. 8 is composed of a bottom plate 33b having a plurality of small through holes h, and a peripheral wall 33c standing on the outer periphery of the surface of the bottom plate 33b. As shown in FIG. 9, the plurality of water purification element containers on the two-peripheral wall may be stacked in the upper and lower rows and may be embedded in the tube member 38 (see FIG. 10). At the lower end of the cylindrical member 38, a collar 38a protrudes from the inside, and the lower end of the water purification element container 33 at the lowest position is supported by the collar 38a. Further, an engagement portion 38 b that is engaged with the engagement 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 addition, in the case of this embodiment, the assembly means for disassembling the assembly in a state where the plurality of water purification element containers 33 are arranged in a row is carried by the tube member 38.

Since the water purification filter 3A composed of the water purification element container 33 and the tube member 38 is inserted into the tube member 38 only when the water purification element container 33 is stacked, the water purification element container 33 can be easily taken out from the tube member 38. That is, even when the water purification filter 3A according to this embodiment is used, The same applies to the case where the water purification filter 3 described above is used, and the user can freely select a combination of water purification elements 51 to 55 in the water purification filter.

Furthermore, in the embodiment described above, the engagement portion 14a disposed around the opening hole 14 of the bottom wall 13a and the engagement portion 31a disposed on the water purification element container 31 (or disposed It engages with the engaging part 38b) of the cylinder member 38, and fixes it in the state which the water purification filter 3 (or the water purification filter 3A) was inserted in the opening hole 14, However, The fixing means are not limited to the said card Constituents. For example, instead of arranging the engaging portion 14a, an internal thread is formed in the inner peripheral portion of the opening hole 14, and the outer peripheral portion of the water purification filter 3, 3A is provided at a predetermined position (for example, the outer peripheral portion of the water purification element container 31 which is the highest position). Or the outer peripheral portion of the upper end of the barrel member 38) forms a male screw screwed to the internal thread, and through the screw screwing, the water purification filter 3, 3A is inserted into the opening hole 14 of the bottom wall 13a. can.

In the above, although the water purification filters 3 and 3A have been described as water purification filters for water dispensers, the use of the water purification filters 3 and 3A is not limited to being installed in the water dispenser. of. For example, it can be applied to a water purification filter in a water purifier.

<Addition of the first filter>

Furthermore, as shown in FIG. 11, the present water dispenser can also filter the heavily polluted water by adding a primary filter 51 and then inject it into a normal first water container 2 (water container 2 in FIG. 1). Specifically, it is added to the normal first water container 2 shown in FIG. 1 and further includes a second water container 50. The second water container 50 is inserted into the first water container 2 in a nested manner through the injection port 11, and is provided with an injection port 52 opened above and penetrating the bottom wall of the second water container 50. Primary filter 51. The water injected from the injection port 52 of the second water container 50 is injected into the first water container 2 through the primary filter 51.

The upper part of the second water container 50 is an annular member 50 a bent on the first water container 2 side, and the first water container 2 is supported by the first water container 2 through the annular member 50 a. In the case of a water dispenser of this configuration, when polluted water is injected, the polluted water can be further purified only by adding it to a normal first water container 2 and adding a second water container 50 inside. For example, the result of analyzing the polluted water in the water pool near the Fukushima Nuclear Power Plant after the disaster through the drinking fountain in Fig. 11 is shown. kg), but neither component was detected after filtration (based on the results of analysis performed by Mitsubishi Materials Corporation).

[Industrial availability]

The invention can be applied to a water purification filter in a water dispenser or a water purification filter in a water purifier.

1‧‧‧ water dispenser

2‧‧‧ water container

3, 3A‧‧‧ water purification filter

4‧‧‧ Purified water storage container

5‧‧‧ Warm water tank (purified water heating device)

6‧‧‧ Water dispenser body

7‧‧‧ cold water tank (purified water cooling device)

8‧‧‧ Faucet for warm water

9‧‧‧ Faucet for normal temperature water

10‧‧‧ Faucet for cold water

13‧‧‧Water container body

13a‧‧‧ bottom wall

14‧‧‧ open hole

14a, 31a, 38b ‧‧‧ engagement section

25‧‧‧Water tray

28‧‧‧ tap water

31, 31A, 32, 32A, 33‧‧‧ water purification element containers

31b, 32b‧‧‧ floor

31c, 32c ‧‧‧ the first week wall

31d, 32d ‧‧‧ Second week wall

31e‧‧‧O-ring groove

31f, 32f‧‧‧internal thread

31j, 32j, 32g‧‧‧yang spiral

37‧‧‧O-ring

38‧‧‧ tube member

38a‧‧‧ Collar

41‧‧‧ Cover

41a‧‧‧Slit

50‧‧‧Second water container

50a‧‧‧ ring member

51‧‧‧ primary filter

52 ~ 56‧‧‧Water purification element

h‧‧‧ through hole

FIG. 1 is a front view showing a water dispenser and the like according to an embodiment of the present invention, and is a partially cutaway view.

Fig. 2 is a cross-sectional view showing the water purification filter of Fig. 1 and its vicinity.

Fig. 3 (a) is a plan view showing a water purification element container (a water purification element container disposed at the highest position) according to an embodiment of the present invention, and (b) is a vertical section taken along a plane including a center line thereof Illustration.

Fig. 4 (a) is a plan view showing a water purification element container according to an embodiment of the present invention, and (b) is a longitudinal sectional view taken along a plane including a center line thereof.

5 is a cross-sectional view for explaining an assembling procedure of a water purification filter according to an embodiment of the present invention.

FIG. 6 (a) is a plan view showing a modified example of the water purification element container (a water purification element container arranged at the highest position) according to the embodiment of the present invention, and (b) is a cross section taken along a plane including the center line A longitudinal section view.

7 (a) is a plan view showing a modified example of the water purification element container according to the embodiment of the present invention, and (b) is a vertical cross-sectional view taken along a plane including its center line.

8 (a) is a plan view showing a water purification element container according to another embodiment of the present invention, and (b) is a longitudinal sectional view taken along a plane including a center line thereof.

FIG. 9 is a cross-sectional view for explaining an assembling procedure of a water purification filter according to another embodiment of the present invention.

10 is a cross-sectional view showing a water purification filter according to another embodiment of the present invention.

FIG. 11 is a front sectional view showing another water dispenser or the like according to an embodiment of the present invention, and is a modification of the upper portion of FIG. 1.

13a‧‧‧ bottom wall

14‧‧‧ open hole

14a, 31a‧‧‧ Engagement Department

31, 32‧‧‧ Water purification element container

31f, 32f‧‧‧internal thread

32g‧‧‧yang spiral

51‧‧‧ primary filter

52 ~ 56‧‧‧Water purification element

Claims (3)

A water dispenser includes: a water container having a water injection opening that is open above; an opening hole provided through the bottom wall of the water container; and the opening hole is erected in a cylindrical portion below the water container, and The cylindrical member from above engages with the engaging portion supported on the inner side of the lower end of the cylindrical portion, and further includes a water purification filter of the following components: including: a first base plate having a water hole; formed together with the first base plate The water purification element accommodating portion is erected on the first peripheral wall above the first base plate; the second peripheral wall erected on the outer periphery of the back of the first base plate and having a smaller outer diameter than the first peripheral wall has An internal thread is formed on the inner peripheral portion of the second peripheral wall. The outer peripheral portion of the first peripheral wall is erected below, and the first of the engaging portions that engages with the engaging portion of the opening hole in the gap with the second peripheral wall A water purification element container; and a second base plate having a through hole; a third peripheral wall standing on the outer periphery of the surface of the second base plate to form a water purification element receiving portion together with the second base plate; The outer periphery below the bottom plate has a larger outer diameter than the third peripheral wall A peripheral wall is formed with a male spiral on the outer peripheral portion of the third peripheral wall, and a second water purification element container with internal threads is formed on the inner peripheral portion of the fourth peripheral wall; the water purification filter is based on the first water purification The element container and one or more of the second water purification element containers below are arranged in a row and are integrally assembled and separable cylindrical members, and further include an inner wall insert of the upper end of the cylindrical portion along the opening hole. The lid is opened to the bottom, and the lid includes an opening for communicating with the water container. A water dispenser includes: a water container having an injection port of tap water; a water purification filter provided in the scope of patent application No. 1 penetrating the bottom wall of the water container; disposed under the water container and storing the purified water Purified water storage container for purified water of the filter core; purified water heating device for heating purified water supplied from the purified water storage container; and purified water cooling device for cooling purified water supplied from the purified water storage container. A water dispenser comprising: a first water container having a water inlet opening above; a water purifying filter provided in the scope of patent application item 1 or item 2 penetrating the bottom wall of the first water container; and A purified water storage container storing purified water passing through the water purification filter under the water container, and further includes a second water container inserted into the nest through the injection port in the first water container, and the second water container The water container is provided with an injection opening that is open above and a primary filter that penetrates the bottom wall of the second water container. Water injected from the injection port of the second water container is injected into the first water container through the primary filter.