WO2010082422A1

WO2010082422A1 - Water purifying cartridge and water purifier

Info

Publication number: WO2010082422A1
Application number: PCT/JP2009/070831
Authority: WO
Inventors: 壽一西川; 利明平井; 誠小玉
Original assignee: パナソニック電工株式会社
Priority date: 2009-01-16
Filing date: 2009-12-14
Publication date: 2010-07-22
Also published as: CN102227380A; TW201032884A; JP2010162491A; TWI403349B

Abstract

A water purifying cartridge (6) is provided with a case (7) having an open top surface and filled with a purifying agent (15) for purifying water, and also with a lid (8) joined to the case (7) so as to cover the opening of the case (7). The lid (8) has an air vent (30) for releasing air in the casing (7). Either the case (7) or the lid (8) has a water introducing opening (8a) for introducing water into the case (7). The air vent (30) is located at a higher position than the water introducing opening (8a).

Description

Water purification cartridge and water purifier

The present invention relates to a water purification cartridge and a water purifier provided with the same.

A dome-shaped cloth insert is disposed between the filter cup and the lid, and the cloth insert is provided in contact with the cleaning agent to block the surface tension of water introduced from the sieve-shaped inlet, thereby preventing the back of the air. The water purifier which suppresses the resistance of the water flow by pressure is disclosed in Patent Document 1.

Japanese Patent Laid-Open No. 10-76253

However, in the above prior art, since raw water is introduced through the sieve inlet in addition to the cloth insert, there is a problem that the pressure loss increases and the resistance increases and the performance of the water purification cartridge decreases. there were.

Therefore, an object of the present invention is to provide a water purification cartridge with improved performance capable of smoothly introducing raw water and a water purifier equipped with the same.

According to a first aspect of the present invention, there is provided a case in which a top surface is opened and a purifier for purifying water is filled therein, and a lid coupled to the case so as to cover the opening of the case. The lid has an air vent hole for escaping air in the case, and one of the case and the lid has a water inlet for introducing water into the case, and the air vent hole Is a water purification cartridge located higher than the water inlet.

According to the first aspect, by utilizing the pressure difference between the air vent hole and the water inlet, the air in the water purification cartridge can be efficiently pushed out to the outside, and water can be smoothly introduced into the water purification cartridge. .

Further, the water inlet may be provided in the lid, and a filter member may be provided in each of the air vent hole and the water inlet to prevent leakage of the purifier integrally molded with the lid. .

According to the above configuration, since the raw water only needs pressure loss when passing through the water inlet formed integrally with the filter member, the resistance of water can be suppressed and the air vent hole is formed so as to be higher than the water inlet. Therefore, water can be introduced smoothly, and the performance of the water purification cartridge can be improved.

Furthermore, the said structure WHEREIN: The said lid | cover has a base part and the protrusion part which protrudes upwards along the center axis | shaft of the said case from the said base part, The said air vent hole is on the upper end of the said protrusion part. The water inlet may be formed on the base portion.

Further, the water inlet is provided in the lid, and a filter member is provided between the case and the lid to cover the air vent hole and the water inlet and prevent leakage of the purifier to the outside. May be.

According to the above configuration, since the raw water only needs pressure loss when passing through the water inlet formed integrally with the filter member, the resistance of water can be suppressed and the air vent hole is formed so as to be higher than the water inlet. Therefore, water can be introduced smoothly, and the performance of the water purification cartridge can be improved. In addition, since the filter member can be disposed by post-processing, there is less restriction on the shape of the lid, and the degree of design freedom can be expanded.

Furthermore, in the said structure, the said lid | cover has a base part and the protrusion part which protrudes below from the said base part, The said water inlet is formed in the lower end of the said protrusion part, The said air vent hole is It may be formed on the reference base.

The water inlet may be provided on the lid, and the diameter of the water inlet may be smaller than the particle size of the purifier.

According to the above configuration, since the raw water only needs pressure loss when passing through the water inlet formed integrally with the filter member, the resistance of water can be suppressed and the air vent hole is formed so as to be higher than the water inlet. Therefore, water can be introduced smoothly, and the performance of the water purification cartridge can be improved. Further, by making the diameter of the water inlet smaller than that of the purifier, it is possible to reduce the number of parts of the filter member as much as the filter member is simply disposed in the air vent hole.

Furthermore, in the said structure, the said lid | cover has a base part and the protrusion part which protrudes below from the said base part, The said water inlet is formed in the lower end of the said protrusion part, The said air vent hole is A filter member that is formed in the base portion and that is integrally formed with the lid and that prevents the purifier from leaking outside may be provided in the air vent hole.

The water inlet is provided in the lid, the case has a bottom wall portion and a peripheral wall portion standing from an outer periphery of the bottom wall portion, and the bottom wall portion is a partition wall toward a top surface of the case. May be provided, and the water inlet may be provided at a position that avoids an opening region in the purification chamber in a plan view of the bottom wall portion.

According to the above configuration, water can be smoothly introduced by the water inlet and the air vent hole provided at a position higher than the water inlet, and in the purification chamber in a plan view of the bottom wall portion. Since the water inlet is provided at a position avoiding the opening region, channeling can be prevented and the raw water can be reliably purified, thereby improving the performance of the water purification cartridge.

Furthermore, in the said structure, the said lid | cover has a base part and the protrusion part which protrudes upwards from the said base part, The said air vent hole is formed in the upper end of the said protrusion part, The said water inlet is A filter member that is formed in the reference base portion and is formed integrally with the lid and prevents leakage of the purifier is provided in the air vent hole, and the partition wall extends to the base portion. In addition, a slit may be provided on the base side of the partition wall, and the width of the slit may be smaller than the particle size of the purifier.

The case includes a bottom wall portion and a peripheral wall portion standing from an outer periphery of the bottom wall portion, the water inlet is provided in the peripheral wall portion, and the bottom wall portion faces the top surface of the case. There may be provided a purification chamber in which a partition wall is erected to accommodate the purification agent, and the partition wall may extend to a position higher than the water inlet.

According to the said structure, since the partition was extended so that it might become a position higher than a water inlet, it can prevent generation | occurrence | production of a channeling and can improve the performance of a water purification cartridge, and a water inlet is on the surrounding wall part of a case. Since it is provided, the level difference between the water inlet and the air vent hole can be increased, and water can be introduced more smoothly.

Further, in the above configuration, the air vent hole is provided with a filter member that is integrally formed with the lid and prevents leakage of the cleaning agent to the outside, and the partition wall is slit on the lid side of the partition wall. The lower end of the slit may be located closer to the lid than the water inlet.

A second aspect of the present invention is a water purifier that obtains at least purified water by introducing raw water, wherein the top surface is opened and a case that is filled with a purifying agent that purifies water, A lid coupled to the case so as to cover the opening of the case, and the lid has an air vent hole for allowing air in the case to escape, and one of the case and the lid is The gist of the present invention is that it has a water inlet for introducing water into the case, and the air vent hole is a water purifier in which a water purification cartridge located higher than the water inlet is detachably mounted.

According to the second aspect, it is possible to obtain a water purifier equipped with a water purification cartridge that exhibits the above-described effects.

According to the above configuration, the raw water can be introduced more smoothly.

FIG. 1 is a cross-sectional view of a water purifier according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of the water purification cartridge according to the first embodiment of the present invention. FIG. 3 is a perspective view of the water purification cartridge according to the first embodiment of the present invention. FIG. 4 is a sectional view of a water purification cartridge according to the second embodiment of the present invention. FIG. 5 is a perspective view of a water purification cartridge according to the second embodiment of the present invention. FIG. 6 is a sectional view of a water purification cartridge according to the third embodiment of the present invention. FIG. 7 is a perspective view of a water purification cartridge according to the third embodiment of the present invention. FIG. 8 is a cross-sectional view of a water purification cartridge according to the fourth embodiment of the present invention. FIG. 9 is a cross-sectional view showing a modified example of the water purification cartridge according to the fourth embodiment of the present invention. FIG. 10 is a sectional view of a water purification cartridge according to the fifth embodiment of the present invention. FIG. 11 is a perspective view of a water purification cartridge according to the fifth embodiment of the present 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]
1 to 3 show a first embodiment of the present invention.

First, a schematic configuration of the water purifier 1 according to the present embodiment will be described with reference to FIG. The water purifier 1 is configured as a pot type water purifier. A substantially bottomed cylindrical partition wall 3 is accommodated in the cylinder of the substantially bottomed cylindrical pot case 2. By the partition wall 3, the inside of the pot case 2 is partitioned into a raw water chamber 4 that forms the upper half and a water purification chamber 5 that forms the lower half.

The bottom wall 3 a of the partition wall 3 is formed with a substantially cylindrical recess 3 b that is recessed downward. The substantially cylindrical water purification cartridge 6 is inserted into the recess 3b from the top to the back and is fitted. An opening 3d is formed in the back wall 3c of the recess 3b.

In the state where the water purification cartridge 6 is fitted in the recess 3b, the upper portion 6a of the water purification cartridge 6 is exposed in the raw water chamber 4, and the water inlet 8a formed in the lid 8 at the upper portion 6a faces the raw water chamber 4. ing. Moreover, in this state, the lower part 6b of the water purification cartridge 6 is exposed in the water purification chamber 5 from the opening 3d, and the drain port 7c formed in the case 7 faces the water purification chamber 5 at the lower part 6b. The raw water in the raw water chamber 4 is introduced into the purified water cartridge 6 from the water inlet 8a and at least purified, and then discharged from the drain port 7c into the purified water chamber 5.

A top wall 9 having a water supply port 9a is disposed above the raw water chamber 4. The water supply port 9a is closed so as to be openable and closable by a top-opening type lid 10 which is rotatably attached to the top wall 9. The raw water is supplied into the raw water chamber 4 through the water supply port 9a with the lid 10 opened upward.

Between the side wall 3e of the partition body 3 and the pot case 2, a passage 11 extending upward from the water purification chamber 5 is formed. The pot case 2 or the top wall 9 is formed with a water inlet 11 a at a position that becomes the upper end of the passage 11. In the present embodiment, the purified water stored in the purified water chamber 5 is obtained by tilting the pot case 2 so that the water inlet 11a is downward (in FIG. 1, tilting the pot case 2 clockwise). The water is discharged from the water inlet 11a through the passage 11. In this embodiment, the water inlet 11a is closed so as to be openable and closable by an upper opening type lid 12 that is rotatably supported by the pot case 2 or the top wall 9. In this case, when the pot case 2 is tilted, the lid 12 can be rotated by its own weight, dynamic pressure of water, or the like to open the water inlet 11a.

Next, the configuration of the water purification cartridge 6 of this embodiment will be described with reference to FIGS. The water purification cartridge 6 includes a case 7 whose top surface is opened and a lid 8 that is coupled so as to cover the opening of the case 7 and has a substantially cylindrical outer shape in a coupled state. The water purification cartridge 6 is used in a posture in which the cylindrical central axis Ax (see FIGS. 1 and 2) is along the vertical direction. In the following, the vertical direction, the axial direction, the circumferential direction, and the radial direction are defined based on the cylindrical shape of the water purification cartridge 6 in the use state.

The case 7 includes a substantially circular bottom wall portion 13 and a peripheral wall portion 14 erected from the outer periphery of the bottom wall portion 13. The case 7 is filled with a purifier 15 such as activated carbon or ion exchange resin. The bottom wall portion 13 and the peripheral wall portion 14 of the case 7 and the lid 8 form a purification chamber S1 that houses the purification agent 15.

A hole 13a for discharging the water introduced into the purification chamber S1 from the drain port 7c is provided in a substantially central portion of the bottom wall portion 13. A large-diameter portion 16 communicating with the drain port 7c is continuously provided in the hole 13a of the bottom wall portion 13. In this embodiment, the inside of the large-diameter portion 16 contains an additive 20 such as calcium. It functions as the additive storage chamber S2. The additive 20 can be accommodated in, for example, a water-permeable bag member set smaller than the particle size of the additive 20 and provided in the additive accommodating chamber S2. A small-diameter portion 17 is connected to the lower end of the large-diameter portion 16, and a drain port 7 c is provided in the small-diameter portion 17.

The case 7 is provided with a porous plate 18 that is press-fitted to the lower side of the case 7. The porous plate 18 is for preventing the cleaning agent 15 from leaking into the additive storage chamber S2. In the porous plate 18, the diameter of the pores formed in the plate is smaller than the particle diameter of the purification agent 15, and the purification agent 15 is filled on the porous plate 18.

Further, in the present embodiment, the porous plate 18 is held in a state where the porous plate 18 is raised by the convex portion 19 partially protruding from the central wall Ax of the water purification cartridge 6 so as to extend radially. Has been. Since the water introduced into the purification chamber S1 flows down from the substantially entire surface of the porous plate 18 by raising the porous plate 18 to the bottom, the water is not raised to the convex portion 19 provided on the bottom wall portion 13. Compared with the case where the porous plate 18 is provided, the flow of water can be made smoother. For example, the bottom wall portion 13 may be inclined toward the additive storage chamber S2. In this case, the flow of water can be made smoother.

A protrusion 14 a that fits with the lid 8 is provided at the upper end of the peripheral wall 14. By fitting a groove 22a formed in the flange portion 22 of the lid 8 to the protrusion 14a, the case 7 and the lid 8 are coupled in a liquid-tight state.

The lid 8 includes a base portion 21 where the water inlet 8a is formed. As shown in FIG. 3, the water inlet 8 a is formed in a substantially rectangular shape, and a plurality (six in this embodiment) are provided along the outer peripheral portion of the base portion 21. A water permeable filter member 25 set smaller than the particle size of the purifier 15 is inserted into the water inlet 8a, for example, by insert molding or the like so as to prevent the purifier 15 from leaking. Yes.

Further, the lid 8 of the present embodiment is provided with a protruding portion 23 protruding upward from the base portion 21. An air vent passage is formed in the protrusion 23. If air unintentionally accumulates in the water purification cartridge 6, the gravity of the water and the buoyancy of the air balance and the flow path of the water is blocked by the air, so that a desired flow rate cannot be obtained and purified water is obtained. It may take some time before Therefore, in the present embodiment, the protruding portion 26 is provided substantially along the central axis Ax of the water purification cartridge 6, and the air vent hole 30 is provided in the upper end portion of the protruding portion 26.

With this configuration, the air accumulated in the water purification cartridge 6 can be released using the air vent hole 30 formed in the lid 8. Moreover, since the air vent hole 30 is provided at a position higher than the water inlet 8a by the protruding portion 23, the pressure difference between the air vent hole 30 and the water inlet 8a is utilized to make the inside of the water purification cartridge 6 Air can be efficiently pushed out and water can be smoothly introduced into the water purification cartridge 6 (purification chamber S1). The height difference between the air vent hole 30 and the water inlet 8a is preferably 5 mm or more. It is more preferable to provide a height difference of 10 mm or more.

In the air vent hole 30, similarly to the water inlet 8 a, a water-permeable filter member 26 set smaller than the particle size of the purifier 15 by, for example, insert molding is stretched integrally with the lid 8. Leakage is prevented.

As shown in FIG. 3, an annular knob 24 is extended from the protruding portion 26 where the air vent hole 30 is formed. On the outer surface of the peripheral wall portion 14 of the case 7, a plurality of (two in the present embodiment) ridges 27 are provided along the circumferential direction. The water purification cartridge 6 can be fitted into the recess 3 b of the partition wall 3 by engaging the protrusions 27 with the protrusions 3 f formed in the recess 3 b of the partition wall 3 and rotating the knob 24. At this time, the raw water in the raw water chamber 4 does not flow into the water purification cartridge 6 by connecting the seal portion 28 formed on the outer surface of the bottom wall portion 13 to the inner wall 3c of the recess 3b in a liquid-tight state. It is prevented from leaking into the purification chamber 5.

As described above, in the present embodiment, the water purification cartridge 6 is coupled so as to cover the case 7 in which the top surface is opened and the purifier 15 is filled, and the opening of the case 7. And a lid 8 having a water inlet 8a. Moreover, the air vent hole 30 is formed in the lid | cover 8 so that it may become a position higher than the water inlet 8a. Further, a filter member 25 that prevents leakage of the purifier 15 to the outside is integrally formed with the lid 8 in the air vent hole 30 and the water inlet 8a. Therefore, the raw water can suppress the resistance of water only by pressure loss when passing through the water inlet 8a integrally formed with the filter member 25, and the air vent hole 30 is formed so as to be higher than the water inlet 8a. Therefore, water can be smoothly introduced using the pressure difference between the water inlet 8a and the air vent hole 30, and the performance of the water purification cartridge can be improved.

[Second Embodiment]
Next, a second embodiment of the present invention will be described with reference to FIGS.

The water purification cartridge 40 according to the present embodiment can be used by being attached to the water purifier 1 instead of the water purification cartridge 6 according to the first embodiment. The lid 8A and the purification agent coupled to the case 7 15 is different from the water purification cartridge 6 of the first embodiment.

Specifically, in this embodiment, the air vent hole 30A is formed in the base portion 21 of the lid 8A, and the water inlet 8b is provided at a position lower than the air vent hole 30A.

As shown in FIG. 5, a plurality (six in this embodiment) of air vent holes 30 </ b> A are provided along the outer peripheral portion of the base portion 21. And in this embodiment, 23 A of protrusion parts are protruded below from the base part 21, and the water inlet 8b is formed in the lower end part of 23 A of protrusion parts.

And as shown in FIG. 4, the water-permeable filter member 33 set smaller than the particle size of the purification | cleaning agent 15 is arrange | positioned between the case 7 and the lid | cover 8A. The filter member 33 is attached to the upper end portion of the peripheral wall portion 14 of the case 7, and has flexibility and covers the air vent hole 30A and the water inlet 8b. The filter member 33 can be comprised, for example with a nonwoven fabric.

As described above, in the present embodiment, the water inlet 8b is provided at a position lower than the air vent hole 30A by the projecting portion 23A. Therefore, as in the first embodiment, the air vent hole 30A Water can be smoothly introduced using the pressure difference with the water inlet 8b, and the performance of the water purification cartridge 40 can be improved.

In this embodiment, since the filter member 33 is disposed between the case 7 and the lid 8A, the filter member 33 can be disposed by post-processing, so that the shape of the lid 8A is less restricted and the design is free. There is an advantage that the degree can be expanded.

[Third Embodiment]
Next, a third embodiment of the present invention will be described with reference to FIGS.

The water purification cartridge 50 according to the present embodiment can be used by being attached to the water purifier 1 instead of the

water purification cartridges

6 and 40 according to the first and second embodiments, and is formed on the lid 8B. The water inlet 8c and the filter member 43 that prevents the purification agent 15 from leaking are different from the water purification cartridge 40 of the second embodiment.

Specifically, in the present embodiment, as shown in FIG. 6, the air vent hole 30A is formed in the base portion 21 of the lid 8B, the water inlet 8c is provided at a position lower than the air vent hole 30A, and The diameter of the water inlet 8c is configured to be smaller than the purifier 15.

As shown in FIG. 7, a plurality (six in this embodiment) of air vent holes 30A are provided along the outer peripheral portion of the base portion 21. In the air vent hole 30A, a water-permeable filter member 43 set smaller than the particle size of the purifying agent 15 by, for example, insert molding is stretched to prevent the purifying agent 15 from leaking.

And in this embodiment, the protrusion part 23B protrudes below from the base part 21, and multiple (three in this embodiment) are provided, and the water inlet 8c is formed in the lower end part of this protrusion part 23B, respectively. . The water inlet 8c is formed so that the diameter is smaller than the particle diameter of the purifier 15, thereby preventing the purifier 15 from leaking.

As described above, in the present embodiment, the water inlet 8c is provided at a position lower than the air vent hole 30A by the projecting portion 23B. Therefore, as in the second embodiment, the air vent hole 30A Water can be introduced smoothly using the pressure difference with the water inlet 8c, and the performance of the water purification cartridge 50 can be improved.

Further, in this embodiment, since the diameter of the water inlet 8c is smaller than the particle diameter of the purifier 15, the filter member 43 can be disposed only in the air vent hole 30A, and the number of parts can be reduced accordingly. There is an advantage.

[Fourth Embodiment]
Next, a fourth embodiment of the present invention will be described with reference to FIGS.

The water purification cartridge 60 according to the present embodiment can be used by being attached to the water purifier 1 instead of the

water purification cartridges

6, 40, 50 according to the first to third embodiments.

The water purification cartridge 60 according to the present embodiment prevents channeling that occurs when the flow rate of raw water introduced into the water purification cartridge 60 is large, and the internal configuration in the case 7A is the water purification cartridge according to the first embodiment. 6 is different.

Specifically, in the present embodiment, the partition wall 55 is erected on the bottom wall portion 13 of the case 7A toward the top surface of the case 7A, and the inside of the partition wall 55 serves as the purification chamber S1a.

The partition wall 55 is provided along the circumferential direction so as to surround the hole 13a formed in the bottom wall portion 13, and the purification chamber S1a and the rectification chamber S3 formed outside the partition wall 55 are divided into two spaces. It is divided. And in this embodiment, the water inlet 8a was provided in the position which avoids the substantially circular opening area | region Aw in purification chamber S1a by planar view of the bottom wall part 13. As shown in FIG.

With this configuration, it is possible to prevent the occurrence of channeling in which the raw water introduced from the water inlet 8a follows a flow path that is easy to flow in the shortest distance toward the drain port 7c. It can be prevented from being discharged from 7c.

In the upper part of the partition wall 55, a slit 55a that is formed wider than the particle size of the purifying agent 15 is formed, and the purifying agent 15 that has spilled into the rectifying chamber S3 is caused to flow into the purifying chamber S1a by the water flow from the water inlet 8a. It can be sent inside.

In the present embodiment, the porous plate 18A that prevents the leakage of the purifying agent 15 is provided below the purification chamber S1a inside the partition wall 55, and the convex portion 19A that raises the porous plate 18A is also located inside the partition wall 55. Is formed. In addition, it is preferable that the position of the lower end part 55b of the slit 55a is a position where raw water can be sufficiently purified only by the purifier 15 filled from the lower end part 55b to the depth of the porous plate 18A.

As described above, in this embodiment, the water purification cartridge 60 is provided with the purification chamber S1a in which the partition wall 55 is erected on the bottom wall portion 13 of the case 7A toward the top surface of the case 7A to accommodate the purification agent 15, The water inlet 8a is provided in the lid 8 at a position avoiding the opening area Aw in the purification chamber S1a in a plan view of the bottom wall portion 13. Therefore, the occurrence of channeling can be prevented and the raw water can be purified reliably, so that the performance of the water purification cartridge can be improved.

Also, water can be introduced smoothly by the water inlet 8a and the air vent hole 30 provided at a position higher than the water inlet 8a, as in the first embodiment.

Next, a modified example of the water purification cartridge 60 according to the fourth embodiment will be described with reference to FIG.

The water purification cartridge 60A according to the present modification can be used by being attached to the water purifier 1 instead of the

water purification cartridges

6, 40, 50, 60 according to the first to fourth embodiments. Is different from the water purification cartridge 60 according to the fourth embodiment.

Specifically, in this modification, the partition wall 55A is provided to extend to the base portion 21 of the lid 8, and the width of the slit 55c formed in the upper part of the partition wall 55A is smaller than the particle size of the purifier 15. It was set as the structure to do.

With this configuration, in the present modification, the purifying agent 15 accommodated in the purification chamber S1a can be prevented from spilling into the rectifying chamber S2, so that it is not necessary to provide a filter member at the water inlet 8a, and the number of parts can be reduced. There is an advantage that you can.

[Fifth Embodiment]
Next, a fifth embodiment of the present invention will be described with reference to FIGS.

The water purification cartridge 70 according to the present embodiment is mounted on the water purifier 1 instead of the

water purification cartridges

6, 40, 50, 60, 60A according to the first to fourth embodiments and the modified example of the fourth embodiment. The position of the water inlet 7a and the air vent hole 30B is different from that of the water purification cartridge 60 according to the fourth embodiment.

Specifically, in this embodiment, the air vent hole 30B is formed in the base portion 21 of the lid 8C, and the water inlet 7a is provided in the peripheral wall portion 14 of the case 7C.

The air vent hole 30 </ b> B is provided substantially at the center of the base portion 21 as shown in FIG. 10. In the air vent hole 30B, for example, a water-permeable filter member 43 set smaller than the particle size of the purifying agent 15 by insert molding or the like is integrally stretched to prevent the purifying agent 15 from leaking.

In this embodiment, the water inlet 7a is provided in the vicinity of the ridge 27 formed on the outer surface of the peripheral wall portion 14 and above the ridge 27 in order to maximize the difference in height from the air vent hole 30B. .

In the bottom wall portion 13, as in the fourth embodiment, a partition wall 55 is erected on the top surface of the case 7 </ b> C, and a purification chamber S <b> 1 a is formed inside the partition wall 55. And in this embodiment, while extending and providing the partition 55 so that it may become a position higher than the water inlet 7a, the lower end part 55b of the slit 55a formed in the partition 55 also becomes a position higher than the water inlet 7a. I am doing so.

In the water purification cartridge 70 of the present embodiment having the above-described configuration, the raw water in the raw water chamber 4 is introduced from the water inlet 7a formed in the peripheral wall portion 14 of the case 7 along the recess 3b of the partition wall 3. By providing the water guide port 7a in the peripheral wall portion 14 of the case 7, the height difference between the water guide port 7a and the air vent hole 30B can be increased, so that water can be introduced more smoothly.

Moreover, in this embodiment, since the lower end 55b of the partition wall 55 and the slit 55a is provided at a position higher than the water inlet 7a, the raw water introduced from the water inlet 7a is supplied to the drain outlet 7c as in the fourth embodiment. It is possible to prevent the occurrence of channeling that follows a flow path that tends to flow toward. And since it can prevent that raw | natural water is not fully purified but is discharged | emitted from the drain port 7c, the performance of the water purification cartridge 70 can be improved.

As mentioned above, although embodiment of this invention was described, this invention is not limited to the said embodiment, A various deformation | transformation is possible. For example, the water purification cartridge may have a shape other than the cylindrical shape. Moreover, the specifications (shape, size, layout, etc.) of the additive storage chamber, the purification chamber, the water inlet, and other details can be changed as appropriate. Moreover, in the said 4th, 5th embodiment, although the partition was standingly arranged in the bottom wall part, you may provide the partition of the shape projected in the L shape toward the top | upper surface of a case from a surrounding wall part. Further, the partition wall may be inclined so as to expand or contract toward the top surface.

It is possible to provide a water purification cartridge with improved performance capable of smoothly introducing raw water and a water purifier equipped with the same.

Claims

A case where the top surface is opened and a purifier for purifying water is filled inside,
A lid coupled to the case so as to cover the opening of the case,
The lid has an air vent hole that allows air in the case to escape;
Either one of the case and the lid has a water inlet for introducing water into the case,
The water purifying cartridge is located at a position higher than the water inlet.
The water inlet is provided in the lid,
2. The water purification cartridge according to claim 1, wherein each of the air vent hole and the water inlet is provided with a filter member that is integrally formed with the lid and prevents leakage of the purification agent to the outside.
The water inlet is provided in the lid,
The water purification cartridge according to claim 1, wherein a filter member is provided between the case and the lid so as to cover the air vent hole and the water inlet and prevent the purification agent from leaking to the outside.
The water inlet is provided in the lid,
The water purification cartridge according to claim 1, wherein a diameter of the water inlet is smaller than a particle diameter of the purification agent.
The water inlet is provided in the lid,
The case has a bottom wall portion and a peripheral wall portion erected from the outer periphery of the bottom wall portion,
The bottom wall portion has a purification chamber for accommodating the purification agent by standing a partition wall toward the top surface of the case,
The water purification cartridge according to claim 1, wherein the water inlet is provided at a position that avoids an opening region in the purification chamber in a plan view of the bottom wall portion.
The case has a bottom wall portion and a peripheral wall portion erected from the outer periphery of the bottom wall portion,
The water inlet is provided in the peripheral wall portion,
The bottom wall portion has a purification chamber for accommodating the purification agent by standing a partition wall toward the top surface of the case,
The water purification cartridge according to claim 1, wherein the partition wall extends to a position higher than the water inlet.
The lid has a base portion, and a protruding portion protruding upward from the base portion along the central axis of the case,
The air vent hole is formed at the upper end of the protrusion,
The water purification cartridge according to claim 2, wherein the water inlet is formed in the reference base.
The lid has a base portion and a protruding portion protruding downward from the base portion,
The water inlet is formed at the lower end of the protrusion,
The water purification cartridge according to claim 3, wherein the air vent hole is formed in the reference base portion.
The lid has a base portion and a protruding portion protruding downward from the base portion,
The water inlet is formed at the lower end of the protrusion,
The air vent hole is formed in the base portion,
The water purification cartridge according to claim 4, wherein the air vent hole is provided with a filter member that is integrally formed with the lid and prevents leakage of the purifier to the outside.
The lid has a base portion and a protruding portion protruding upward from the base portion,
The air vent hole is formed at the upper end of the protrusion,
The water inlet is formed in the base portion,
The air vent hole is provided with a filter member that is integrally molded with the lid and prevents leakage of the purifier to the outside.
The partition wall extends to the base portion, and has a slit on the base portion side of the partition wall,
The water purification cartridge according to claim 5, wherein a width of the slit is smaller than a particle diameter of the purification agent.
The air vent hole is provided with a filter member that is integrally molded with the lid and prevents leakage of the purifier to the outside.
The partition has a slit on the lid side of the partition,
The water purification cartridge according to claim 6, wherein a lower end portion of the slit is located closer to the lid than the water inlet.
A water purifier that obtains at least purified water by introducing raw water,
A case in which a top surface is opened and a purifier for purifying water is filled therein; and a lid coupled to the case so as to cover the opening of the case; An air vent hole for escaping air, and either one of the case and the lid has a water inlet for introducing water into the case, and the air vent hole is positioned higher than the water inlet A water purifier with a detachable water cartridge.