JP2011125833A - Water treatment device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water treatment device constituted so that there is no worry that water remaining in a water jet nozzle overflows to the outer part when replacing the water cleaning cartridge and a water cleaning cartridge is taken out without wetting fingers, as the water treatment device which includes the water cleaning cartridge and has the water jet nozzle provided above the water cleaning cartridge. <P>SOLUTION: The water treatment device includes: a hollow cartridge housing member 2 of which the upper part is opened; a water cleaning cartridge 3 which is housed in the cartridge housing member 2; a cover body 4 attachably and detachably provided on the upper end of the cartridge housing member 2; and the water jet nozzle 5 disposed on the cover body 4, wherein the water cleaning cartridge 3 is fixed attachably and detachably and liquid-tightly to the cover body 4. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a water treatment apparatus provided with a water purification cartridge.

  As a water treatment apparatus provided with a water purification cartridge, for example, an apparatus in which a faucet and a water purifier are integrated as shown in FIG. 3 is known (Patent Document 1). The water treatment apparatus 101 in the example of this figure includes a water purification cartridge 103 inside a cylindrical main body 102, and when a handle 106 is operated to open an on-off valve 105 provided under the water purification cartridge 103, Raw water such as tap water flows into the water purification cartridge 103 from a water supply pipe 109 provided at the lower part of the main body 102. Further, a lid 108 that liquid-tightly closes the opening at the upper end is detachably screwed to the upper end of the main body 102, and a water discharge nozzle 107 projects from the upper surface of the lid 108. The water discharge nozzle 107 and the water purification cartridge 103 are in fluid-tight communication, and the purified water that has passed through the water purification cartridge 103 is discharged from the water discharge nozzle 107. The main body 102 is fixed to an installation surface 111 such as a kitchen counter.

Japanese Patent No. 43055942

In the water treatment apparatus 101 in the example of FIG. 3, when the water purification cartridge 103 is replaced due to clogging of the water purification cartridge 103 or a reduction in purification capacity, the lid 108 is rotated and removed from the main body 102.
At this time, since the water discharge nozzle 107 and the lid 108 are integrally removed, the staying water 100 staying in the water discharge nozzle 107 flows down from the lower end of the water discharge nozzle 107 arranged in the lid 108.
Therefore, when removing the water discharge nozzle 107 and the lid 108, it is necessary to take care that the accumulated water 100 flows down into the main body 102. Depending on the operation, the accumulated water 100 may be scattered outside the main body 102. Spilling out and wetting around the main body 102 may occur.
Further, since water stays in the main body 102, there is also a problem that fingers are wet when the water purification cartridge 103 is lifted and taken out from the main body 102 after removing the water discharge nozzle 107 and the lid 108. .

  The present invention has been made in view of the above circumstances, and in a water treatment device having a water purification cartridge and having a water discharge nozzle provided above the water purification cartridge, when the water purification cartridge is replaced, the retention in the water discharge nozzle It is an object of the present invention to provide a water treatment apparatus in which a water purification cartridge can be taken out without worrying about water spilling to the outside and without getting fingers wet.

  In order to solve the above problems, a water treatment apparatus of the present invention is detachable from a hollow cartridge housing member having an open top, a water purification cartridge housed in the cartridge housing member, and an upper end of the cartridge housing member. A lid provided, and a water discharge nozzle provided on the lid, and the water purification cartridge is detachably and liquid-tightly fixed to the lid.

  It is preferable that a ring-shaped elastic body is disposed at a joint portion between the lid body and the water purification cartridge, and the lid body and the water purification cartridge are fixed by an elastic force of the ring-shaped elastic body.

  According to the present invention, in a water treatment apparatus having a water purification cartridge and having a water discharge nozzle provided above the water purification cartridge, there is a concern that the accumulated water in the water discharge nozzle may spill outside when the water purification cartridge is replaced. The water purification cartridge can be taken out without wetting the fingers.

It is a side view which shows one Embodiment of the water treatment apparatus of this invention. It is a longitudinal cross-sectional view of FIG. It is a longitudinal cross-sectional view which shows the example of the conventional water treatment apparatus.

1 and 2 show an embodiment of the water treatment apparatus of the present invention. FIG. 1 is a side view, and FIG. 2 is a longitudinal sectional view of FIG.
The water treatment apparatus of this embodiment includes a main body 1 including a cartridge housing member 2 and a raw water supply unit 6, a water purification cartridge 3 housed in the cartridge housing member 2, a lid body 4 for closing the upper end of the cartridge housing member 2, and It is schematically configured from a water discharge nozzle 5 provided on the lid 4. The water treatment apparatus of this embodiment is a water treatment apparatus in which a water purifier and a faucet are integrated, and the main body 1 is fixed to an installation surface 15 such as a kitchen counter by a horseshoe fitting 11 and a bolt 12. . In the figure, reference numeral 7 is a raw water supply pipe, 8 is a raw water flow path, 9 is an on-off valve, 10 is a handle for operating the on-off valve, 13 is a tightening nut, and 14 is a packing.

  In the present embodiment, the cartridge housing member 2 has a vertically long cylindrical shape, and has an upper end and a lower end opened. The lid 4 is liquid-tightly joined to the upper end of the cartridge housing member 2, and the raw water supply unit 6 is liquid-tightly joined to the lower end. The material of the cartridge housing member 2 is not particularly limited. In the present embodiment, the cartridge housing member 2 is made of a stainless steel tube.

The lid 4 includes a cap 4 a that is screwed with the upper end of the cartridge housing member 2, and a nozzle head 4 b that holds the base end of the water discharge nozzle 5.
The cap 4a includes an annular top plate 41 having a circular opening 40 in the center, and a skirt portion 42 depending from the end edge of the top plate 41. The lower end outer surface of the skirt portion 42 and the cartridge housing The upper end inner surface of the member 2 is detachably screwed. In a state where the cartridge housing member 2 and the cap 4a are screwed together, an O-ring 43 is mounted along the circumferential direction at a portion of the skirt portion 42 where the upper end of the cartridge housing member 2 abuts. And the cap 4a are kept liquid-tight.
A nozzle head 4b is slidably fitted into the opening 40 of the top plate 41 of the cap 4a. Further, an O-ring 44 is attached to the inner peripheral surface of the opening 40 of the top plate 41 along the circumferential direction so that the joint between the cap 4a and the nozzle head 4b is kept liquid-tight.

The nozzle head 4b has a through hole 45 penetrating vertically, and the base end portion of the water discharge nozzle 5 is inserted into the through hole 45 from above and fixed.
The water discharge nozzle 5 rises upward from the upper surface of the nozzle head 4b, and then extends in a substantially horizontal direction. The tip portion is formed in a shape bent in a substantially vertical direction, and the tip opens downward. ing.

The water purification cartridge 3 includes an adsorbent part 31 and a hollow fiber membrane part 32, and the adsorbent part 31 is disposed on the lower side and the hollow fiber membrane part 32 is disposed on the upper side along the length direction of the main body 1. The adsorbent part 31 is filled with an adsorbent 33, and the hollow fiber membrane part 32 is filled with a number of hollow fiber membranes 34.
A known adsorbent can be used as the adsorbent 33. For example, for the purpose of removing residual chlorine, adsorbents such as powdered or granular calcium sulfite, activated carbon, vitamin C and the like are used. That's fine. In this embodiment, block-shaped or fiber-shaped molded activated carbon having high performance, excellent molding / assembly workability, and also having a function as a filter is preferably used.
As the hollow fiber membrane 34, a known hollow fiber membrane can be used. For example, in the case of removing turbid components, it is preferable to use a porous hollow fiber membrane capable of removing bacteria and the like.

  A disc-shaped bottom member 35 is provided at the lower end of the adsorbent portion 31 in the length direction of the main body 1, and an annular partition wall 36 having an opening 36 a at the substantially center is provided at the upper end. A substantially columnar adsorbent 33 is fixed by pressure between the material 35 and the partition wall 36. A water collecting pipe 37 extending in the length direction of the main body 1 is provided at a substantially central portion of the adsorbent 33, and the upper end of the water collecting pipe 37 is liquid-tightly connected to the opening 36 a of the partition wall 36. The tube wall of the water collecting tube 37 is provided with a number of slit holes for allowing water to pass therethrough.

  In the hollow fiber membrane portion 32, a hollow fiber membrane 34 extends in the longitudinal direction of the main body 1 in a cylindrical case 38, and the hollow fiber membrane 34 is attached to the case 38 at the upper end portion of the case 38. Bonded to the inner surface. Each hollow fiber membrane 34 is open at the upper end surface of the hollow fiber membrane portion 32. The lower end of the case 38 is liquid-tightly bonded and fixed to the partition wall 36 of the adsorbent portion 31.

The upper end portion of the hollow fiber membrane portion 32 of the water purification cartridge 3 is detachably fitted into the cap 4a. In addition, an O-ring 38a is attached to the outer surface of the case 38 along the circumferential direction at the upper end of the hollow fiber membrane portion 32, and the joint between the water purification cartridge 3 and the cap 4a is formed by the elasticity of the O-ring. The cap 4a and the water purification cartridge 3 are fixed so that they are kept fluid-tight and move together.
In the present embodiment, the O-ring is provided on the outer peripheral surface of the case 38 of the water purification cartridge 3, but not limited to this, a ring-shaped elastic body is disposed at the joint between the lid 4 and the water purification cartridge 3, What is necessary is just the structure by which the cover body 4 and the water purification cartridge 3 are being fixed by the elastic force of this elastic body. For example, a configuration in which a ring-shaped elastic body is disposed on the inner peripheral surface of the cap 4a of the lid 4 and the lid 4 and the water purification cartridge 3 are fixed by the elastic force of the ring-shaped elastic body may be employed.

  An open / close valve 9 is provided inside the raw water supply unit 6, and a water inlet of the open / close valve 9 communicates with the raw water supply pipe 7 through a raw water flow path 8 that opens to the lower surface of the main body 1. . The water outlet of the on-off valve 9 communicates with the inside of the water purification cartridge 3 through a hollow portion 39 provided below the water purification cartridge 3. Reference numeral 39 a in the drawing is a protrusion provided upward from the bottom surface of the hollow portion 39 in order to prevent the position of the water purification cartridge 3 in the main body 1 from being greatly shifted downward. The on-off valve 9 can control the opening and closing of the flow path by operating the handle 10, and can adopt a known configuration as appropriate.

In the water treatment apparatus of this embodiment, when the on-off valve 9 is opened by operating the handle 10 of the on-off valve 9, raw water such as tap water is supplied from the raw water supply pipe 7 to the raw water flow path 8, the on-off valve 9, and the hollow portion. 39, the space between the inner surface of the cartridge housing member 2 and the outer surface of the water purification cartridge 3 is filled, and passes through the adsorbent portion 31 from the outer peripheral surface of the adsorbent portion 31 toward the water collecting pipe 37. The water that has passed through the adsorbent part 31 flows upward in the water collection pipe 37, reaches the hollow fiber membrane part 32, and the purified water that has permeated through the hollow fiber membrane 34 flows out from the upper end surface of the hollow fiber membrane part 32. . The purified water flowing out from the upper end surface of the hollow fiber membrane portion 32 fills a space 49 between the inner surface of the cap 4a and the outer surface of the hollow fiber membrane portion 32, passes through the through hole 45 of the nozzle head 4b and the water discharge nozzle 5. Water is discharged.
When the handle 10 is operated to close the on-off valve 9, water discharge from the water discharge nozzle 5 stops, and water stays in the water discharge nozzle 5 and the flow path from the water outlet of the on-off valve 9 to the water discharge nozzle 5. .

When the water purification cartridge 3 is replaced due to clogging of the water purification cartridge 3 or a reduction in purification capacity, the cap 4a is rotated and removed from the main body 1. At this time, since the cap 4a and the water purification cartridge 3 are fixed so as to move integrally by an O-ring 38a provided at these joint portions, when the cap 4a is rotated, the water purification cartridge 3 is also integrally formed. When the cap 4a is rotated upward from the main body 1, the water purification cartridge 3 is lifted together with the cap 4a. That is, the cap 4a, the nozzle head 4b, the water discharge nozzle 5, and the water purification cartridge 3 can be detached from the main body 1 in a liquid-tight integrated state. At this time, a part of the water staying in the apparatus flows out from the outer peripheral surface of the adsorbent part 31 in the cartridge housing member 2, and the stagnant water flows out above the adsorbent part 31. Does not occur.
Therefore, when the integrated body of the cap 4a, the nozzle head 4b, the water discharge nozzle 5, and the water purification cartridge 3 is lifted, the accumulated water in the apparatus is surely prevented from scattering or spilling out of the main body 1. The water purification cartridge 3 can be easily taken out without wetting the periphery of the main body 1. Further, the water purification cartridge 3 can be lifted out of the main body 1 without touching the wet water purification cartridge 3.

  Thereafter, the integrated product of the cap 4a, the nozzle head 4b, the water discharge nozzle 5, and the water purification cartridge 3 removed from the main body 1 is moved to a sink, etc., and the water purification cartridge 3 is pulled out from the cap 4a and replaced with a new water purification cartridge. 3 is fitted into the cap 4a, and the cap 4a is screwed into the upper end of the cartridge housing member 2 again to complete the replacement of the water purification cartridge 3.

In addition, the water treatment apparatus of this invention is not restricted to the said embodiment, The water treatment of the structure by which the cover body is provided in the upper end of the accommodating member which accommodates a water purification cartridge, and the water discharge nozzle is provided in this cover body. Any device may be used, and the same effect can be obtained by applying the present invention.
For example, a stationary water purifier can be considered as another embodiment of the water treatment apparatus of the present invention. That is, a detachable water purification cartridge is housed inside a main body (cartridge housing member) of a water purifier having an opening on a part of the upper surface, and water is discharged to the cap (lid) of the opening of the main body. In the stationary water purifier provided with the nozzle, a configuration is conceivable in which the water purification cartridge is detachably and liquid-tightly fixed to the lid.
Moreover, the structure of the water purification cartridge 3 and the structure of the raw | natural water supply part 6 can also be changed suitably. Particularly, in the water treatment apparatus of the present invention, since the water discharge nozzle is provided at the upper part of the water purification cartridge housing member, the raw water is supplied from the lower side of the main body 1 as in the present embodiment, and along the length direction of the main body 1, By using the water purification cartridge 3 in which the adsorbent part 31 is arranged on the lower side and the hollow fiber membrane part 32 is arranged on the upper side, the arrangement of the flow paths in the main body 1 can be simplified and made efficient, and space saving is achieved. This is preferable.

1 body,
2 cartridge housing member,
3 Water purification cartridge,
4 lid,
5 Water discharge nozzle.

Claims (2)

  A hollow cartridge housing member having an open top, a water purification cartridge housed in the cartridge housing member, a lid body detachably provided on the upper end of the cartridge housing member, and a water discharge nozzle provided on the lid body A water treatment device, wherein the water purification cartridge is detachably and liquid-tightly fixed to the lid.   The ring-shaped elastic body is arranged at the junction of the lid and the water purification cartridge, and the lid and the water purification cartridge are fixed by the elastic force of the ring-shaped elastic body. The water treatment apparatus as described in.

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