Water purifier cartridge, water purifier including the same, and water purifying member

1 . A water purifying member to be attached to a water storage portion having an opening at an upper portion thereof, comprising:

a lid that has an outlet for discharging water stored in the water storage portion and is configured to close the opening of the water storage portion;

a support including a circumferential wall portion formed in a cylindrical shape, a closing portion that closes one end portion in an axial direction of the circumferential wall portion and in which an air hole is formed, another end portion in the axial direction of the circumferential wall portion being open; and

a cylindrical filter member that is detachably attached to the support so as to cover an outer surface of the circumferential wall portion, the outer surface of the circumferential wall portion being convex,

wherein the another end portion of the support is configured to be detachably attached to the lid, and

the water in the water storage portion flows into an inner space of the support via the filter member and is dischargeable from the outlet via the inner space,

wherein

a flange portion is formed on the one end portion side of the support;

the filter member is supported between the flange portion and the lid;

the lid has a cylindrical attachment portion and a disk-shaped lid body that closes the upper portion of the attachment portion;

the outlet is a circular outlet and formed in the center of the lid body;

at a lower portion of an inner wall surface of the outlet, a plurality of arc-shaped protrusions protruding inward in the radial direction are formed with gaps in the circumferential direction;

a notch extending in the circumferential direction is formed in a portion adjacent to each of the gaps at one end portion in the circumferential direction of each of the plurality of arc-shaped protrusions;

a plurality of engaging portions are formed at predetermined intervals in the circumferential direction on an upper end of the circumferential wall portion of the support;

each of the plurality of engaging portions has a first portion extending upward and a second portion protruding outward in the radial direction from the first portion;

the first portion of the each of the plurality of engaging portions is engaged with the notch of the each of the plurality of arc-shaped protrusions, and the second portion of the each of the plurality of engaging portions is engaged with an upper surface of the each of the plurality of arc-shaped protrusions; and

an upper end surface of the filter member comes into contact with the lower surface of the lid body.

2 . The water purifying member according to claim 1 ,

wherein a gap is formed between the outer surface of the circumferential wall portion and an inner circumferential surface of the filter member.

3 . The water purifying member according to claim 1 ,

wherein the filter member is formed by laminating a plurality of layers of sheet-like felt.

4 . The water purifying member according to claim 1 ,

wherein the thickness of the filter member is 3 to 12 mm.

5 . The water purifying member according to claim 4 ,

wherein the thickness of the filter member is 5 to 9 mm.

6 . The water purifying member according to claim 1 ,

wherein the apparent density of the filter member is 0.10 to 0.40 g/cm 3 .

7 . The water purifying member according to claim 6 ,

wherein the apparent density of the filter member is 0.10 to 0.20 g/cm 3 .