JP2010162497A - Water purification cartridge - Google Patents

Water purification cartridge Download PDF

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Publication number
JP2010162497A
JP2010162497A JP2009007716A JP2009007716A JP2010162497A JP 2010162497 A JP2010162497 A JP 2010162497A JP 2009007716 A JP2009007716 A JP 2009007716A JP 2009007716 A JP2009007716 A JP 2009007716A JP 2010162497 A JP2010162497 A JP 2010162497A
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Prior art keywords
water
side wall
purification
cartridge
material storage
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JP2009007716A
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Japanese (ja)
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Masaki Kuwabara
正樹 桑原
Ryoichi Mukai
良一 向井
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Panasonic Electric Works Co Ltd
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Panasonic Electric Works Co Ltd
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Priority to JP2009007716A priority Critical patent/JP2010162497A/en
Priority to CN2010800037294A priority patent/CN102264647A/en
Priority to PCT/JP2010/050317 priority patent/WO2010082595A1/en
Priority to TW099100921A priority patent/TW201038488A/en
Publication of JP2010162497A publication Critical patent/JP2010162497A/en
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/20—Specific housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/20—Specific housing
    • B01D2313/201—Closed housing, vessels or containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/44—Cartridge types
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water purification cartridge which can improve the purification capability. <P>SOLUTION: In the water purification cartridge 1 which includes a cartridge case 4 having an inflow port 2 and an outflow port 3, and a purification material housing 52 disposed between the inflow and outflow ports 2, 3 inside the cartridge case 4 and formed with water inflow portions 55 in a side wall 53, a water passage 10 for supplying water flowing in from the inflow port 2 to the purification material housing 52 is installed between the side wall 41d of the cartridge case 4 and the side wall 53 of the purification material housing 52, and a rib 11 projecting from the inside of the side wall 41d of the cartridge case 4 toward the side wall 53 of the purification material housing 52 and dispersing a flow of water in the water passage 10 is installed on the side wall 41d. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、浄水カートリッジに関する。   The present invention relates to a water purification cartridge.

従来、浄水カートリッジとして、濾過槽の下部と、この濾過槽よりも容量が大きい浄活水層の上部と、を同心円状に重ね合わせ、処理しようとする原水を浄活水層の下端部中央から濾過槽の上端部中央へと向かって流すとともに、浄活水層の内部に邪魔板を適宜配置して水の滞留時間を長くしたものが知られている（例えば、特許文献１参照）。   Conventionally, as a water purification cartridge, the lower part of the filtration tank and the upper part of the purification water layer having a larger capacity than the filtration tank are concentrically overlapped, and the raw water to be treated is filtered from the center of the lower end of the purification water layer. In addition to flowing toward the center of the upper end of the water, a baffle plate is appropriately disposed inside the purified water layer to increase the water residence time (see, for example, Patent Document 1).

特開２００１−３００５１７号公報JP 2001-300157 A

しかしながら、上記従来の浄水カートリッジでは、浄化水槽の下部中央から流入した原水が浄化水槽の上部中央に配置した濾過槽へと流れる構成となっており、原水が浄化水槽の中央部分の下方から上方へと流れる経路が形成されるため、浄化水槽の下部周囲や上部周囲において浄活水層の利用効率が悪化し、全体的な浄化能力が低下してしまうおそれがある。   However, in the conventional water purification cartridge, the raw water flowing in from the lower center of the purified water tank flows to the filtration tank disposed in the upper center of the purified water tank, and the raw water is moved upward from the lower part of the central part of the purified water tank. Therefore, there is a risk that the utilization efficiency of the purified water layer deteriorates around the lower part and the upper part of the purified water tank, and the overall purification ability is lowered.

そこで、本発明は、浄化能力を向上させることのできる浄水カートリッジを得ることを目的とする。   Then, an object of this invention is to obtain the water purification cartridge which can improve purification capacity.

請求項１の発明にあっては、流入口と流出口とを有するカートリッジケースと、当該カートリッジケースの内部の前記流入口と前記流出口との間に配置され、側壁に水の流入部が形成される浄化材収納部と、を備える浄水カートリッジにおいて、前記カートリッジケースの側壁と前記浄化材収納部の側壁との間に、前記流入口から流入した水を前記浄化材収納部に供給する水通路を設け、前記カートリッジケースの側壁に、当該側壁の内側から前記浄化材収納部の側壁に向けて突出し、前記水通路内の水の流れを分散させるリブを設けたことを特徴とする。   In the invention of claim 1, the cartridge case having an inlet and an outlet and the cartridge case is disposed between the inlet and the outlet in the cartridge case, and an inflow portion of water is formed on the side wall. In the water purification cartridge, the water passage for supplying the water flowing in from the inflow port to the purification material storage unit between the side wall of the cartridge case and the side wall of the purification material storage unit. And a rib that protrudes from the inside of the side wall of the cartridge case toward the side wall of the purification material storage unit and disperses the flow of water in the water passage.

請求項２の発明にあっては、請求項１に記載の浄水カートリッジにおいて、前記リブは、前記水通路内の水通過方向に複数設けられ、それら複数のリブの突出量を、上流側から下流側に向かって段階的に増大させたことを特徴とする。   According to a second aspect of the present invention, in the water purification cartridge according to the first aspect, a plurality of the ribs are provided in the direction of water passage in the water passage, and the amount of protrusion of the plurality of ribs is determined from the upstream side to the downstream side. It is characterized by increasing stepwise toward the side.

請求項３の発明にあっては、流入口と流出口とを有するカートリッジケースと、当該カートリッジケースの内部の前記流入口と前記流出口との間に配置され、側壁に水の流入部が形成される浄化材収納部と、を備える浄水カートリッジにおいて、前記カートリッジケースの側壁と前記浄化材収納部の側壁との間に、前記流入口から流入した水を前記浄化材収納部に供給する水通路を設け、前記水通路に、当該水通路の幅が上流側から下流側に向かって徐々に狭くなる幅狭通路部を設けたことを特徴とする浄水カートリッジ。   In the invention of claim 3, the cartridge case having an inflow port and an outflow port, and disposed between the inflow port and the outflow port inside the cartridge case, an inflow portion of water is formed on the side wall. In the water purification cartridge, the water passage for supplying the water flowing in from the inflow port to the purification material storage unit between the side wall of the cartridge case and the side wall of the purification material storage unit. The water purification cartridge is characterized in that a narrow passage portion in which the width of the water passage gradually narrows from the upstream side toward the downstream side is provided in the water passage.

請求項４の発明にあっては、請求項３に記載の浄水カートリッジにおいて、前記幅狭通路部は、前記カートリッジケースの側壁および前記浄化材収納部の側壁の少なくともいずれか一方を傾斜させることで形成されていることを特徴とする。   According to a fourth aspect of the present invention, in the water purification cartridge according to the third aspect, the narrow passage portion inclines at least one of the side wall of the cartridge case and the side wall of the purification material storage portion. It is formed.

請求項５の発明にあっては、請求項１〜４のうちいずれか１項に記載の浄水カートリッジにおいて、前記流入口が前記カートリッジケースの底壁に形成されるとともに、前記浄化材収納部の底壁から側壁に亘って前記水通路に連通する折曲経路が形成されており、前記浄化材収納部の底壁には面取部が設けられていることを特徴とする。   In invention of Claim 5, in the water purification cartridge of any one of Claims 1-4, while the said inflow port is formed in the bottom wall of the said cartridge case, of the said purification material storage part A bent path that communicates with the water passage is formed from the bottom wall to the side wall, and a chamfered portion is provided on the bottom wall of the purification material storage unit.

請求項１の発明によれば、水通路を通過する水は、カートリッジケースの側壁に設けたリブによって流れが分散されるため、浄化材収納部内に収納された浄化材を全般に亘って効率よく使用することが可能となり、浄化材の利用効率を高めて浄化能力を向上させることができる。   According to the first aspect of the present invention, the flow of the water passing through the water passage is dispersed by the ribs provided on the side wall of the cartridge case. Therefore, the purification material stored in the purification material storage portion can be efficiently and efficiently used throughout. It becomes possible to use, and the purification efficiency can be improved by increasing the utilization efficiency of the purification material.

請求項２の発明によれば、水通路内の水通過方向に複数設けたリブの突出量を上流側から下流側に向かって段階的に増大させているため、水の分散効果がさらに高まり、浄化材の利用効率のさらなる向上を図ることができる。   According to the invention of claim 2, since the protruding amount of the ribs provided in the water passage direction in the water passage is increased stepwise from the upstream side toward the downstream side, the water dispersion effect is further enhanced. It is possible to further improve the utilization efficiency of the purification material.

請求項３の発明によれば、水通路に、上流側から下流側に向かって徐々に幅が狭くなる幅狭通路部を設けたため、浄化材収納部の側面から流入する水は上流側から下流側に亘って略均等に分散される。したがって、浄化材収納部内に収納された浄化材を全般に亘って効率よく使用することが可能となり、浄化材の利用効率を高めて浄化能力を向上させることができる。   According to the invention of claim 3, since the narrow passage portion whose width is gradually narrowed from the upstream side to the downstream side is provided in the water passage, the water flowing in from the side surface of the purification material storage portion flows from the upstream side to the downstream side. Distributed substantially evenly across the sides. Therefore, the purification material stored in the purification material storage section can be efficiently used over the entire area, and the utilization efficiency of the purification material can be increased and the purification performance can be improved.

請求項４の発明によれば、カートリッジケースの側壁や浄化材収納部の側壁を傾斜させることで幅狭通路構成部を形成したため、カートリッジケースや浄化材収納部の既存の構成部品の傾きを変化させればよく、構成の簡素化を図るとともにコストの低減を図ることができる。   According to the fourth aspect of the present invention, since the narrow passage component is formed by inclining the side wall of the cartridge case and the side wall of the purification material storage unit, the inclination of the existing components of the cartridge case and the purification material storage unit is changed. Therefore, the configuration can be simplified and the cost can be reduced.

請求項５の発明によれば、前記浄化材収納部の底壁に面取部を設けることで、流入口から流入した水が折曲経路から水通路に流れ込み易くなり、浄水カートリッジ内全体に水をよりスムーズに流すことができるようになる。   According to the fifth aspect of the present invention, by providing the chamfered portion on the bottom wall of the purification material storage portion, the water flowing in from the inflow port can easily flow into the water passage from the bent path, and the entire water purification cartridge has water. Will be able to flow more smoothly.

本発明の第１実施形態にかかる浄水カートリッジの断面図である。It is sectional drawing of the water purification cartridge concerning 1st Embodiment of this invention. 本発明の第２実施形態にかかる浄水カートリッジの断面図である。It is sectional drawing of the water purification cartridge concerning 2nd Embodiment of this invention. 本発明の第３実施形態にかかる浄水カートリッジの断面図である。It is sectional drawing of the water purification cartridge concerning 3rd Embodiment of this invention. 本発明の第４実施形態にかかる浄水カートリッジの断面図である。It is sectional drawing of the water purification cartridge concerning 4th Embodiment of this invention. 本発明の第５実施形態にかかる浄水カートリッジの断面図である。It is sectional drawing of the water purification cartridge concerning 5th Embodiment of this invention. 本発明の第６実施形態にかかる浄水カートリッジの断面図である。It is sectional drawing of the water purification cartridge concerning 6th Embodiment of this invention.

以下、本発明の実施形態について図面を参照しながら詳細に説明する。なお、以下の複数の実施形態には、同様の構成要素が含まれている。よって、以下では、それら同様の構成要素には共通の符号を付与するとともに、重複する説明を省略する。   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.

（第１実施形態）図１は、本発明の第１実施形態を示しており、図１は、浄水カートリッジの断面図である。   (First Embodiment) FIG. 1 shows a first embodiment of the present invention, and FIG. 1 is a sectional view of a water purification cartridge.

図１に示すように、本実施形態にかかる浄水カートリッジ１は、一端部（図１中下端部）に原水の流入口２と他端部（図１中上端部）に浄水の流出口３とを有するカートリッジケース４と、このカートリッジケース４の内部の流入口２と流出口３との間に配置される浄化材収納容器（浄化材収納部）５２と、この浄化材収納容器５２の内部に収納される浄化材５と、を備えており、流入口２からカートリッジケース４内に流入した原水が浄化材収納容器５２内の浄化材５を通過して濾過され、濾過された浄水が流出口３から流出されるようになっている。   As shown in FIG. 1, the water purification cartridge 1 according to the present embodiment includes an inlet 2 for raw water at one end (lower end in FIG. 1) and a purified water outlet 3 at the other end (upper end in FIG. 1). A cartridge case 4 having a cleaning material, a purification material storage container (purification material storage part) 52 disposed between the inlet 2 and the outlet 3 in the cartridge case 4, and the purification material storage container 52. The raw water that has flowed into the cartridge case 4 from the inflow port 2 is filtered through the purifying material 5 in the purifying material storage container 52, and the filtered purified water is discharged from the outlet. 3 has been leaked.

カートリッジケース４は、上述した浄化材収納容器５２が収納されるロワーケース４１と、中空糸膜６が接着剤１６によって隙間を埋められつつ上端部に固定されたアッパーケース４２とを備えており、ロワーケース４１とアッパーケース４２とを結合することで形成されている。   The cartridge case 4 includes a lower case 41 in which the above-described purification material storage container 52 is stored, and an upper case 42 in which the hollow fiber membrane 6 is fixed to the upper end while the gap is filled with the adhesive 16. The lower case 41 and the upper case 42 are joined together.

ロワーケース４１は、下端が底壁（カートリッジケースの底壁）４１ａによって閉塞された有底円筒状に形成されており、その底壁４１ａの中央部に上述の流入口２が形成されている。また、アッパーケース４２は、上端が蓋体４２ａによって閉塞される円筒状に形成されており、その蓋体４２ａの中央部に上述の流出口３が形成されている。そして、ロワーケース４１の上端部内周にアッパーケース４２の下端部外周を超音波溶着等により接合することで、ロワーケース４１とアッパーケース４２とを液密構造をもって固定している。   The lower case 41 is formed in a bottomed cylindrical shape whose lower end is closed by a bottom wall (bottom wall of the cartridge case) 41a, and the above-described inlet 2 is formed in the center of the bottom wall 41a. The upper case 42 is formed in a cylindrical shape whose upper end is closed by a lid body 42a, and the above-described outflow port 3 is formed at the center of the lid body 42a. The lower case 41 and the upper case 42 are fixed with a liquid-tight structure by joining the outer periphery of the upper case 42 to the inner periphery of the upper case 41 by ultrasonic welding or the like.

また、ロワーケース４１の上端部内側に形成した段部４１ｂとアッパーケース４２の下端との間には、浄化材５の収容部と中空糸膜６の収容部とを仕切る中間板７が挟持されている。このとき、段部４１ｂの上面にはロワーケース４１の内周に沿った環状溝４１ｃが形成され、この環状溝４１ｃに嵌合したシールリング８に中間板７が圧接されることにより、中間板７の周縁部での液密性が確保される。   An intermediate plate 7 is interposed between the step portion 41 b formed on the inner side of the upper end portion of the lower case 41 and the lower end of the upper case 42 so as to partition the accommodating portion for the purifier 5 and the accommodating portion for the hollow fiber membrane 6. ing. At this time, an annular groove 41c is formed on the upper surface of the step portion 41b along the inner periphery of the lower case 41, and the intermediate plate 7 is pressed against the seal ring 8 fitted in the annular groove 41c. The liquid tightness in the peripheral part of 7 is ensured.

さらに、本実施形態では、中間板７と中空糸膜６との間に不織布１７が配設されており、浄化材５を通過して連通口７２から吐出される水がこの不織布１７によって整流されるようにしている。   Furthermore, in this embodiment, the nonwoven fabric 17 is arrange | positioned between the intermediate | middle board 7 and the hollow fiber membrane 6, and the water discharged from the communicating port 72 through the purification material 5 is rectified by this nonwoven fabric 17. I try to do it.

また、本実施形態では、浄化材５として活性炭やセラミックを用いており、この浄化材５は下端がエンドプレート（浄化材収納部の底壁）５１によって閉塞された円筒状の浄化材収納容器５２内に収納されている。   In the present embodiment, activated carbon or ceramic is used as the purification material 5, and the purification material 5 has a cylindrical purification material storage container 52 whose lower end is closed by an end plate 51 (bottom wall of the purification material storage unit). It is stored inside.

浄化材収納容器５２は、エンドプレート５１と、エンドプレート５１の周縁部から立ち上がる筒状側壁（浄化材収納部の側壁）５３と、によって構成されており、筒状側壁５３の内方には、間隔を設けて中心軸上に配置されるセンターパイプ５４が配置されている。そして、筒状側壁５３とセンターパイプ５４との間の空間に浄化材５が充填されている。   The purification material storage container 52 includes an end plate 51 and a cylindrical side wall (side wall of the purification material storage unit) 53 that rises from the peripheral edge of the end plate 51. A center pipe 54 disposed on the central axis with a space therebetween is disposed. The purification material 5 is filled in the space between the cylindrical side wall 53 and the center pipe 54.

本実施形態では、ロワーケース４１と浄化材収納容器５２とセンターパイプ５４とが同心円状に配設されている。   In the present embodiment, the lower case 41, the purification material storage container 52, and the center pipe 54 are disposed concentrically.

筒状側壁５３は、上端部５３ａと下端部５３ｂを除く側面が大きく開口しており、その開口部５３ｃに、水は通すが浄化材５の通過を阻止するメッシュ（水の流入部）５５が取り付けられている。そして、メッシュ５５を通して原水が浄化材５内に取り込まれるようにしている。また、センターパイプ５４も、筒状側壁５３と同様に上端部５４ｄと下端部５４ｂを除く側面が大きく開口しており、その開口部５４ｅに、水は通すが浄化材５の通過を阻止するメッシュ５６が取り付けられている。浄化材５を通過した水はセンターパイプ５４のメッシュ５６を通過して、中心空洞部５４ａ内に流入される。なお、筒状側壁５３やセンターパイプ５４の側壁に格子状のリブを設け、当該リブによってメッシュを保持するようにしてもよい。   The side wall of the cylindrical side wall 53 except for the upper end portion 53a and the lower end portion 53b has a large opening, and a mesh (water inflow portion) 55 that allows water to pass through but prevents the purifier 5 from passing through the opening 53c. It is attached. The raw water is taken into the purification material 5 through the mesh 55. Similarly to the cylindrical side wall 53, the center pipe 54 also has a large opening on the side surface except for the upper end 54d and the lower end 54b. The mesh 56 allows water to pass through the opening 54e but prevents the purifier 5 from passing therethrough. Is attached. The water that has passed through the purification material 5 passes through the mesh 56 of the center pipe 54 and flows into the central cavity 54a. In addition, a grid-like rib may be provided on the side wall of the cylindrical side wall 53 or the center pipe 54, and the mesh may be held by the rib.

センターパイプ５４の下端部５４ｂは、エンドプレート５１の中央部に上方に向けて突設された嵌合部５１ａに密接嵌合しているとともに、センターパイプ５４の上端５４ｃは、筒状側壁５３の上端５３ｄよりも若干アッパーケース４２方向（図１中上方）に突出しており、その上端５４ｃが中間板７の中心部に同心円状に形成された環状支持溝７１に密接嵌合している。また、環状支持溝７１の中央部には、センターパイプ５４の中心空洞部５４ａをアッパーケース４２の内方に連通する連通口７２が形成されている。   The lower end portion 54 b of the center pipe 54 is closely fitted to a fitting portion 51 a projecting upward from the center portion of the end plate 51, and the upper end 54 c of the center pipe 54 is the upper end 53 d of the cylindrical side wall 53. The upper end 54c protrudes slightly toward the upper case 42 (upward in FIG. 1), and the upper end 54c of the intermediate plate 7 is closely fitted to an annular support groove 71 formed concentrically. A communication port 72 is formed at the center of the annular support groove 71 to communicate the central cavity 54 a of the center pipe 54 with the inside of the upper case 42.

ここで、本実施形態では、ロワーケース４１の側壁（カートリッジケースの側壁）４１ｄの内面と筒状側壁５３の外面との間に、流入口２から流入した原水が下方から上方に向けて流れ、当該原水をメッシュ５５を介して筒状側壁５３に供給する原水通路（水通路）１０が設けられている。そして、原水通路１０の原水通過方向（水通過方向：図１中上下方向）の途中に、ロワーケース４１の側壁４１ｄの内面から筒状側壁５３に向けて所定量突出し、原水の流れを分散させて積極的に浄化材収納容器５２の筒状側壁５３方向に原水を案内するガイド突起（リブ）１１が設けられている。   Here, in this embodiment, the raw water flowing in from the inflow port 2 flows from the lower side to the upper side between the inner surface of the side wall 41d of the lower case 41 (the side wall of the cartridge case) and the outer surface of the cylindrical side wall 53. A raw water passage (water passage) 10 is provided for supplying the raw water to the cylindrical side wall 53 via the mesh 55. Then, a predetermined amount projects from the inner surface of the side wall 41d of the lower case 41 toward the cylindrical side wall 53 in the middle of the raw water passage direction (water passage direction: vertical direction in FIG. 1) of the raw water passage 10 to disperse the flow of the raw water. In addition, a guide protrusion (rib) 11 that actively guides the raw water in the direction of the cylindrical side wall 53 of the purification material storage container 52 is provided.

本実施形態では、原水通路１０がメッシュ５５の外周に同心円状に設けられるとともに、ガイド突起１１がロワーケース４１の内周に沿って連続した環状リブとして突設されている。このとき、ガイド突起１１の内周とメッシュ５５との間には、原水通路１０を流れる原水がガイド突起１１の上流側で浄化材収納容器５２に流入する量と下流側で浄化材収納容器５２に流入する量とに略等しく振り分けられるように隙間δが設けられている。   In the present embodiment, the raw water passage 10 is provided concentrically on the outer periphery of the mesh 55, and the guide protrusion 11 protrudes as an annular rib continuous along the inner periphery of the lower case 41. At this time, between the inner periphery of the guide protrusion 11 and the mesh 55, the amount of raw water flowing through the raw water passage 10 flows into the purification material storage container 52 on the upstream side of the guide protrusion 11 and the purification material storage container 52 on the downstream side. A gap δ is provided so as to be distributed approximately equally to the amount flowing into the.

流入口２には、当該流入口２の下流側近傍を覆う断面台形状の覆い部２１が設けられており、その覆い部２１の傾斜した周囲に複数の開口部２２が形成されている。そして、流入口２から流入した原水は開口部２２を通過して浄化材収納容器５２のエンドプレート５１に沿った方向に振り分けられて原水通路に流入する。したがって、流入口２から原水通路１０に至る原水の流通経路は、浄化材収納容器５２のエンドプレート５１から原水を取り込む浄化材収納容器５２の筒状側壁５３に亘って折曲する折曲経路１２として形成され、原水通路１０に連通している。また、流入口２の覆い部２１の上面には座部２３が突設されており、当該座部２３によってエンドプレート５１の中央部が支持されている。   The inflow port 2 is provided with a trapezoidal cover portion 21 that covers the vicinity of the downstream side of the inflow port 2, and a plurality of openings 22 are formed around the inclined portion of the cover portion 21. And the raw | natural water which flowed in from the inflow port 2 passes through the opening part 22, is distributed in the direction along the end plate 51 of the purification | cleaning material storage container 52, and flows into a raw | natural water channel | path. Therefore, the flow path of the raw water from the inlet 2 to the raw water passage 10 is a bent path 12 that bends over the cylindrical side wall 53 of the purification material storage container 52 that takes in the raw water from the end plate 51 of the purification material storage container 52. And communicates with the raw water passage 10. Further, a seat portion 23 projects from the upper surface of the cover portion 21 of the inflow port 2, and the center portion of the end plate 51 is supported by the seat portion 23.

かかる構成とすることで、浄水カートリッジ１の流入口２からロワーケース４１内に流入した原水は、原水通路１０を流通して筒状側壁５３のメッシュ５５から浄化材収納容器５２内に取り込まれ、浄化材５を通過する間に残留塩素等が除去される。そして、残留塩素等が除去された水がセンターパイプ５４を通過して中心空洞部５４ａに供給され、中心空洞部５４ａ内の濾過された水は中間板７の連通口７２から不織布を介してアッパーケース４２内に流入し、アッパーケース４２に収納された中空糸膜６で細かい汚れや濁りが除去された後、浄水として流出口３から流出される。   With this configuration, the raw water flowing into the lower case 41 from the inlet 2 of the water purification cartridge 1 flows through the raw water passage 10 and is taken into the purification material storage container 52 from the mesh 55 of the cylindrical side wall 53, Residual chlorine and the like are removed while passing through the purification material 5. The water from which residual chlorine or the like has been removed passes through the center pipe 54 and is supplied to the central cavity 54a, and the filtered water in the central cavity 54a passes from the communication port 72 of the intermediate plate 7 through the nonwoven fabric to the upper case. After the fine dirt and turbidity are removed by the hollow fiber membrane 6 housed in the upper case 42, it flows out from the outlet 3 as purified water.

以上の本実施形態によれば、ロワーケース４１の側壁４１ｄの内面における原水通路１０の途中に、ロワーケース４１の内側から所定量突出して原水を積極的に浄化材収納容器５２の筒状側壁５３方向に案内して原水の流れを分散させるガイド突起１１を設けることで、原水通路１０を通過する原水がガイド突起１１によって積極的に浄化材収納容器５２の筒状側壁５３方向に案内されるため、浄化材収納容器５２への原水の流れをガイド突起１１の上流側と下流側とに分散させることができる。したがって、浄化材収納容器５２内に収納された浄化材５を全般に亘って効率よく使用することが可能となり浄化材５の利用効率が高まるため、全体的な浄化能力を向上させることができるようになる。   According to the present embodiment described above, the raw water is positively projected from the inner side of the lower case 41 in the middle of the raw water passage 10 on the inner surface of the side wall 41 d of the lower case 41, and the raw water is positively positively exposed. By providing the guide protrusion 11 that guides in the direction and disperses the flow of the raw water, the raw water passing through the raw water passage 10 is actively guided toward the cylindrical side wall 53 of the purification material storage container 52 by the guide protrusion 11. The flow of raw water to the purification material storage container 52 can be dispersed on the upstream side and the downstream side of the guide protrusion 11. Therefore, the purification material 5 stored in the purification material storage container 52 can be efficiently used over the entire area, and the utilization efficiency of the purification material 5 is increased, so that the overall purification performance can be improved. become.

また、浄化材５の利用効率を高めることにより、浄水カートリッジ１のコンパクト化やコストダウンを達成できるとともに、浄水カートリッジ１の長寿命化を図ることができるようになる。   In addition, by increasing the utilization efficiency of the purification material 5, it is possible to reduce the size and cost of the water purification cartridge 1 and to extend the life of the water purification cartridge 1.

（第２実施形態）図２は、本発明の第２実施形態を示しており、図２は、浄水カートリッジの断面図である。   (Second Embodiment) FIG. 2 shows a second embodiment of the present invention, and FIG. 2 is a sectional view of a water purification cartridge.

図２に示すように、本実施形態にかかる浄水カートリッジ１Ａは、基本的に上記第１実施形態の浄水カートリッジ１と同様の構成をしており、ロワーケース４１の側壁４１ｄと筒状側壁５３との間に、流入口２から流入した原水を浄化材収納容器５２に供給する原水通路１０が設けられている。   As shown in FIG. 2, the water purification cartridge 1 </ b> A according to this embodiment basically has the same configuration as the water purification cartridge 1 of the first embodiment, and includes a side wall 41 d and a cylindrical side wall 53 of the lower case 41. The raw water passage 10 for supplying the raw water flowing in from the inflow port 2 to the purification material storage container 52 is provided.

また、ロワーケース４１の側壁４１ｄの内面における原水通路１０の途中に、所定量突出して原水を積極的に浄化材収納容器５２方向に案内して、原水の流れを分散させるガイド突起１１が設けられている。   In addition, a guide protrusion 11 is provided in the middle of the raw water passage 10 on the inner surface of the side wall 41d of the lower case 41 so as to project a predetermined amount and actively guide the raw water toward the purifier storage container 52 to disperse the flow of the raw water. ing.

ここで、本実施形態が上記第１実施形態と主に異なる点は、ガイド突起（リブ）１１を、原水通過方向に所定間隔をもって複数（１１ａ、１１ｂ…）設け、それら複数のガイド突起１１ａ、１１ｂ…の突出量Ｌ１、Ｌ２…を、上流側から下流側に向かって段階的に増大（…＜Ｌ２＜Ｌ１）させたことにある。   Here, this embodiment is mainly different from the first embodiment in that a plurality of guide projections (ribs) 11 (11a, 11b...) Are provided at predetermined intervals in the raw water passage direction, and the plurality of guide projections 11a, This is because the protrusion amounts L1, L2,... 11b are increased stepwise (... <L2 <L1) from the upstream side toward the downstream side.

本実施形態にあっても、それぞれのガイド突起１１ａ、１１ｂ…は、ロワーケース４１の内周に沿って連続した環状リブとして突設されている。   Also in this embodiment, each guide protrusion 11a, 11b... Protrudes as an annular rib continuous along the inner periphery of the lower case 41.

以上の本実施形態によっても、上記第１実施形態と同様の作用効果を奏することができる。   Also according to this embodiment described above, the same operational effects as those of the first embodiment can be obtained.

また、本実施形態によれば、ガイド突起（リブ）１１を複数設け、それら複数設けたガイド突起１１ａ、１１ｂ…の突出量Ｌ１、Ｌ２…を、上流側から下流側に向かって段階的に増大させたため、原水通路１０を通過する原水は、それぞれのガイド突起１１ａ、１１ｂ…によって分散されて浄化材収納容器５２に段階的に案内されるようになる。したがって、浄化材収納容器５２に流入される原水の分散効果をさらに高めることができ、浄化材５の利用効率のさらなる向上を図ることができる。   Further, according to the present embodiment, a plurality of guide protrusions (ribs) 11 are provided, and the protrusion amounts L1, L2... Of the plurality of guide protrusions 11a, 11b... Increase stepwise from the upstream side toward the downstream side. Therefore, the raw water passing through the raw water passage 10 is dispersed by the respective guide protrusions 11a, 11b... And guided to the purification material storage container 52 step by step. Therefore, the dispersion effect of the raw water flowing into the purification material storage container 52 can be further enhanced, and the utilization efficiency of the purification material 5 can be further improved.

（第３実施形態）図３は、本発明の第３実施形態を示しており、図３は、浄水カートリッジの断面図である。   (Third Embodiment) FIG. 3 shows a third embodiment of the present invention, and FIG. 3 is a sectional view of a water purification cartridge.

図３に示すように、本実施形態にかかる浄水カートリッジ１Ｂは、基本的に上記第１実施形態の浄水カートリッジ１と同様の構成をしており、ロワーケース４１の側壁と筒状側壁５３との間に、流入口２から流入した原水を浄化材収納容器５２に供給する原水通路１０が設けられている。   As shown in FIG. 3, the water purification cartridge 1 </ b> B according to the present embodiment basically has the same configuration as the water purification cartridge 1 of the first embodiment, and the side wall of the lower case 41 and the cylindrical side wall 53. A raw water passage 10 for supplying raw water flowing in from the inlet 2 to the purification material storage container 52 is provided therebetween.

したがって、本実施形態にあっても、流入口２からカートリッジケース４内に流入した原水は、ロワーケース４１の内側に設けた原水通路１０を通過して筒状側壁５３のメッシュ５５の外側から浄化材収納容器５２内に取り込まれ、浄化材５で濾過された浄水がアッパーケース４２内の中空糸膜６を通過した後に流出口３から流出される。   Accordingly, even in the present embodiment, the raw water flowing into the cartridge case 4 from the inlet 2 passes through the raw water passage 10 provided inside the lower case 41 and is purified from the outside of the mesh 55 of the cylindrical side wall 53. The purified water taken into the material storage container 52 and filtered by the purification material 5 passes through the hollow fiber membrane 6 in the upper case 42 and then flows out from the outlet 3.

ここで、本実施形態が上記第１実施形態と主に異なる点は、ガイド突起１１が設けられることなく、原水通路１０に、当該原水通路１０の幅Ｗが上流側から下流側（図３中下方から上方）に向かって徐々に狭くなる幅狭通路部１３を設けたことにある。   Here, this embodiment is mainly different from the first embodiment in that the guide protrusion 11 is not provided, and the width W of the raw water passage 10 is changed from the upstream side to the downstream side (in FIG. 3). The narrow passage portion 13 that gradually narrows from the lower side to the upper side is provided.

具体的には、幅狭通路部１３は、原水通路１０に面したロワーケース４１の側壁４１ｄの厚さを、底壁４１ａから上端部の段部４１ｂに向かって徐々に厚肉化することにより形成されている。   Specifically, the narrow passage portion 13 is formed by gradually increasing the thickness of the side wall 41d of the lower case 41 facing the raw water passage 10 from the bottom wall 41a toward the upper end step portion 41b. Is formed.

以上の本実施形態によれば、流入口２からカートリッジケース４内に流入した原水を浄化材収納容器５２に供給する原水通路１０に幅狭通路部１３を設け、原水通路１０の幅Ｗが上流側から下流側に向かって徐々に狭くなるようにしたため、浄化材収納容器５２の外面、すなわち、筒状側壁５３のメッシュ５５から流入する原水の流れが幅狭通路部１３によって上流側から下流側に亘って略均等に分散されるようになる。したがって、浄化材収納容器５２内に収納された浄化材５を全般に亘って効率よく使用することが可能となり浄化材５の利用効率が高まるため、全体的な浄化能力を向上させることができるようになる。   According to the above embodiment, the narrow water passage 10 is provided in the raw water passage 10 for supplying the raw water flowing into the cartridge case 4 from the inlet 2 to the purification material storage container 52, and the width W of the raw water passage 10 is upstream. Since the width gradually decreases from the side toward the downstream side, the flow of raw water flowing from the outer surface of the purification material storage container 52, that is, the mesh 55 of the cylindrical side wall 53, flows from the upstream side to the downstream side by the narrow passage portion 13. Over the entire area. Therefore, the purification material 5 stored in the purification material storage container 52 can be efficiently used over the entire area, and the utilization efficiency of the purification material 5 is increased, so that the overall purification performance can be improved. become.

また、本実施形態にあっても上記第１実施形態と同様に、浄水カートリッジ１のコンパクト化やコストダウンを達成できるとともに、浄水カートリッジ１の長寿命化を図ることができる。   Moreover, even if it exists in this embodiment, while being able to achieve size reduction and cost reduction of the water purification cartridge 1 similarly to the said 1st Embodiment, the lifetime improvement of the water purification cartridge 1 can be achieved.

（第４実施形態）図４は、本発明の第４実施形態を示しており、図４は、浄水カートリッジの断面図である。   (Fourth Embodiment) FIG. 4 shows a fourth embodiment of the present invention, and FIG. 4 is a sectional view of a water purification cartridge.

図４に示すように、本実施形態にかかる浄水カートリッジ１Ｃは、基本的に上記第３実施形態の浄水カートリッジ１Ｂと同様の構成をしており、原水通路１０に、原水通路１０の幅Ｗが上流側から下流側に向かって徐々に狭くなる幅狭通路部１３Ａが設けられている。   As shown in FIG. 4, the water purification cartridge 1 </ b> C according to the present embodiment basically has the same configuration as the water purification cartridge 1 </ b> B of the third embodiment, and the raw water passage 10 has a width W of the raw water passage 10. A narrow passage portion 13A that is gradually narrowed from the upstream side toward the downstream side is provided.

ここで、本実施形態が上記第３実施形態と主に異なる点は、ロワーケース４１の側壁４１ｄを原水通路１０の幅Ｗが上流側から下流側に向かって徐々に狭くなるように傾斜させることで幅狭通路部１３Ａを構成したことにある。すなわち、本実施形態ではロワーケース４１の側壁４１ｄを厚さを変化させることなく上方に行くに従って徐々に縮径させることで、幅狭通路部１３Ａを形成している。   Here, this embodiment is mainly different from the third embodiment in that the side wall 41d of the lower case 41 is inclined so that the width W of the raw water passage 10 gradually becomes narrower from the upstream side toward the downstream side. This is because the narrow passage portion 13A is configured. That is, in this embodiment, the narrow passage portion 13A is formed by gradually reducing the diameter of the side wall 41d of the lower case 41 as it goes upward without changing the thickness.

以上の本実施形態によっても、上記第３実施形態と同様の作用効果を奏することができる。   Also according to this embodiment described above, the same operational effects as those of the third embodiment can be obtained.

また、本実施形態によれば、ロワーケース４１の側壁４１ｄの傾斜により幅狭通路部１３Ａを構成しているので、既存の構成部品であるロワーケース４１の傾きを変化させればよく、構成の簡素化を図ることができ、さらなるコストダウンを達成できるようになる。   Further, according to the present embodiment, the narrow passage portion 13A is configured by the inclination of the side wall 41d of the lower case 41. Therefore, the inclination of the lower case 41, which is an existing component, may be changed. Simplification can be achieved and further cost reduction can be achieved.

（第５実施形態）図５は、本発明の第５実施形態を示しており、図５は、浄水カートリッジの断面図である。   (Fifth Embodiment) FIG. 5 shows a fifth embodiment of the present invention, and FIG. 5 is a sectional view of a water purification cartridge.

図５に示すように、本実施形態にかかる浄水カートリッジ１Ｄは、基本的に上記第３実施形態の浄水カートリッジ１Ｂと同様の構成をしており、原水通路１０に、原水通路１０の幅Ｗが上流側から下流側に向かって徐々に狭くなる幅狭通路部１３Ｂが設けられている。   As shown in FIG. 5, the water purification cartridge 1 </ b> D according to the present embodiment basically has the same configuration as the water purification cartridge 1 </ b> B of the third embodiment, and the width W of the raw water passage 10 is in the raw water passage 10. A narrow passage portion 13B that gradually narrows from the upstream side toward the downstream side is provided.

ここで、本実施形態が上記第３実施形態と主に異なる点は、浄化材収納容器５２の筒状側壁５３を原水通路１０の幅Ｗが上流側から下流側に向かって徐々に狭くなるように傾斜させることで幅狭通路部１３Ｂを構成したことにある。すなわち、本実施形態では筒状側壁５３の径を上方に行くに従って徐々に拡径させることで、幅狭通路部１３Ｂを形成している。   Here, this embodiment is mainly different from the third embodiment in that the width W of the raw water passage 10 is gradually narrowed from the upstream side toward the downstream side in the cylindrical side wall 53 of the purification material storage container 52. The narrow passage portion 13B is configured by being inclined to the right. That is, in the present embodiment, the narrow passage portion 13B is formed by gradually increasing the diameter of the cylindrical side wall 53 as it goes upward.

以上の本実施形態によっても、上記第３実施形態と同様の作用効果を奏することができる。   Also according to this embodiment described above, the same operational effects as those of the third embodiment can be obtained.

また、本実施形態によれば、筒状側壁５３を傾斜させることで幅狭通路部１３Ｂを構成しているので、既存の構成部品である筒状側壁５３の傾きを変化させればよく、構成の簡素化を図ることができ、さらなるコストダウンを達成できるようになる。   Moreover, according to this embodiment, since the narrow channel | path part 13B is comprised by inclining the cylindrical side wall 53, what is necessary is just to change the inclination of the cylindrical side wall 53 which is an existing component, Can be simplified, and further cost reduction can be achieved.

ところで、上記第４実施形態ではロワーケース４１の側壁４１ｄを傾斜させたものを例示し、上記第５実施形態では筒状側壁５３を傾斜させたものを例示したが、ロワーケース４１の側壁４１ｄおよび筒状側壁５３の両者を共に傾斜させて、原水通路１０の幅Ｗを上流側から下流側に向かって徐々に狭くなるように傾斜させることも可能である。   By the way, in the said 4th Embodiment, what inclined the side wall 41d of the lower case 41 was illustrated, In the said 5th Embodiment, the thing which inclined the cylindrical side wall 53 was illustrated, However, Side wall 41d of the lower case 41 and It is also possible to incline both the cylindrical side walls 53 so that the width W of the raw water passage 10 gradually decreases from the upstream side toward the downstream side.

（第６実施形態）図６は、本発明の第６実施形態を示しており、図６は、浄水カートリッジの断面図である。   (Sixth Embodiment) FIG. 6 shows a sixth embodiment of the present invention, and FIG. 6 is a sectional view of a water purification cartridge.

図６に示すように、本実施形態にかかる浄水カートリッジ１Ｅは、基本的には上記各実施形態と同様の構成をしており、ロワーケース４１の内側に、流入口２から流入した原水を筒状側壁５３のメッシュ５５を介して浄化材収納容器５２内に供給する原水通路１０が設けられている。   As shown in FIG. 6, the water purification cartridge 1 </ b> E according to this embodiment basically has the same configuration as that of each of the above embodiments, and the raw water flowing from the inflow port 2 is piped inside the lower case 41. A raw water passage 10 is provided to be supplied into the purification material storage container 52 through the mesh 55 of the side wall 53.

なお、本実施形態では、上記第４実施形態と同様に、ロワーケース４１の側壁４１ｄを原水通路１０の幅Ｗが上流側から下流側に向かって徐々に狭くなるように傾斜させている。   In the present embodiment, as in the fourth embodiment, the side wall 41d of the lower case 41 is inclined so that the width W of the raw water passage 10 gradually decreases from the upstream side toward the downstream side.

また、上記各実施形態と同様に、流入口２から原水通路１０に至る原水の流通経路が、浄化材収納容器５２のエンドプレート５１から原水を取り込む浄化材収納容器５２のメッシュ５５に亘って折曲する折曲経路１２として形成されている。   Similarly to the above embodiments, the raw water distribution path from the inlet 2 to the raw water passage 10 is folded over the mesh 55 of the purification material storage container 52 that takes in the raw water from the end plate 51 of the purification material storage container 52. It is formed as a bent path 12 that bends.

ここで、本実施形態では、浄化材収納容器５２のエンドプレート（底壁）５１の周縁部に面取部１４が設けられている。   Here, in this embodiment, the chamfered portion 14 is provided at the peripheral edge portion of the end plate (bottom wall) 51 of the purification material storage container 52.

以上の本実施形態によれば、浄化材収納容器５２のエンドプレート５１の周縁部に面取部１４を設けたため、流入口２から流入した原水が折曲経路１２から原水通路１０に流れ込み易くなり、浄水カートリッジ１Ｅ内全体に水をよりスムーズに流すことができるようになる。   According to the above embodiment, since the chamfered portion 14 is provided at the peripheral edge portion of the end plate 51 of the purification material storage container 52, the raw water flowing in from the inflow port 2 easily flows into the raw water passage 10 from the bent path 12. The water can be made to flow more smoothly through the entire water purification cartridge 1E.

なお、本実施形態にかかる面取部１４は、上記第４実施形態に限ることなくその他の実施形態（第１〜第３実施形態および第５実施形態）にあっても適用することができる。   The chamfered portion 14 according to the present embodiment is not limited to the fourth embodiment but can be applied to other embodiments (first to third embodiments and fifth embodiment).

以上、本発明の好適な実施形態について説明したが、本発明は上記実施形態には限定されず、種々の変形が可能である。   The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiments, and various modifications can be made.

例えば、上記各実施形態では浄化材以外に中空糸膜を設けたものを例示したが、中空糸膜が無くてもよく、また、中空糸膜以外の浄化材が設けられていてもよい。すなわち、流入口と流出口を設けたカートリッジケースの内部に、水を濾過または浄化する浄化材が収納されている浄水カートリッジであれば本発明を適用することができる。また、浄化材は活性炭やセラミック以外にも、水を濾過または浄化できる材料を用いてあればよい。   For example, in each of the above embodiments, the hollow fiber membrane is provided in addition to the purification material, but the hollow fiber membrane may not be provided, and a purification material other than the hollow fiber membrane may be provided. That is, the present invention can be applied to any water purification cartridge in which a purification material for filtering or purifying water is housed in a cartridge case provided with an inflow port and an outflow port. Moreover, the purification | cleaning material should just use the material which can filter or purify water other than activated carbon or a ceramic.

１、１Ａ、１Ｂ、１Ｃ、１Ｄ、１Ｅ 浄水カートリッジ
２ 流入口
３ 流出口
４ カートリッジケース
１０ 原水通路（水通路）
１１（１１ａ、１１ｂ…） ガイド突起（リブ）
１２ 折曲経路
１３、１３Ａ、１３Ｂ 幅狭通路部
１４ 面取部
４１ ロワーケース（カートリッジケース）
４１ａ 底壁（カートリッジケースの底壁）
４１ｄ 側壁（カートリッジケースの側壁）
５１ エンドプレート（浄化材収納部の底壁）
５２ 浄化材収納容器（浄化材収納部）
５３ 筒状側壁（浄化材収納部の側壁）
５５ メッシュ（水の流入部） 1, 1A, 1B, 1C, 1D, 1E Water purification cartridge 2 Inlet 3 Outlet 4 Cartridge case 10 Raw water passage (water passage)
11 (11a, 11b ...) Guide protrusion (rib)
12 Bending path 13, 13A, 13B Narrow passage 14 Chamfer 41 Lower case (cartridge case)
41a Bottom wall (bottom wall of cartridge case)
41d side wall (side wall of cartridge case)
51 End plate (bottom wall of purification material storage)
52 Purification material storage container (Purification material storage)
53 Cylindrical side wall (side wall of purification material storage)
55 mesh (water inlet)

Claims (5)

流入口と流出口とを有するカートリッジケースと、当該カートリッジケースの内部の前記流入口と前記流出口との間に配置され、側壁に水の流入部が形成される浄化材収納部と、を備える浄水カートリッジにおいて、
前記カートリッジケースの側壁と前記浄化材収納部の側壁との間に、前記流入口から流入した水を前記浄化材収納部に供給する水通路を設け、
前記カートリッジケースの側壁に、当該側壁の内側から前記浄化材収納部の側壁に向けて突出し、前記水通路内の水の流れを分散させるリブを設けたことを特徴とする浄水カートリッジ。 A cartridge case having an inflow port and an outflow port; and a purification material storage unit disposed between the inflow port and the outflow port inside the cartridge case and having a water inflow portion formed on a side wall thereof. In the water purification cartridge,
A water passage is provided between the side wall of the cartridge case and the side wall of the purification material storage unit to supply water flowing in from the inlet to the purification material storage unit,
A water purification cartridge, wherein a rib is provided on a side wall of the cartridge case so as to protrude from an inner side of the side wall toward the side wall of the purification material storage unit and disperse a flow of water in the water passage. 前記リブは、前記水通路内の水通過方向に複数設けられ、それら複数のリブの突出量を、上流側から下流側に向かって段階的に増大させたことを特徴とする請求項１に記載の浄水カートリッジ。   The ribs are provided in a plurality in the water passage direction in the water passage, and the protruding amount of the ribs is increased stepwise from the upstream side toward the downstream side. Water purification cartridge. 流入口と流出口とを有するカートリッジケースと、当該カートリッジケースの内部の前記流入口と前記流出口との間に配置され、側壁に水の流入部が形成される浄化材収納部と、を備える浄水カートリッジにおいて、
前記カートリッジケースの側壁と前記浄化材収納部の側壁との間に、前記流入口から流入した水を前記浄化材収納部に供給する水通路を設け、
前記水通路に、当該水通路の幅が上流側から下流側に向かって徐々に狭くなる幅狭通路部を設けたことを特徴とする浄水カートリッジ。 A cartridge case having an inflow port and an outflow port; and a purification material storage unit disposed between the inflow port and the outflow port inside the cartridge case and having a water inflow portion formed on a side wall thereof. In the water purification cartridge,
A water passage is provided between the side wall of the cartridge case and the side wall of the purification material storage unit to supply water flowing in from the inlet to the purification material storage unit,
A water purification cartridge characterized in that a narrow passage portion in which the width of the water passage gradually narrows from the upstream side toward the downstream side is provided in the water passage. 前記幅狭通路部は、前記カートリッジケースの側壁および前記浄化材収納部の側壁の少なくともいずれか一方を傾斜させることで形成されていることを特徴とする請求項３に記載の浄水カートリッジ。   The water purification cartridge according to claim 3, wherein the narrow passage portion is formed by inclining at least one of a side wall of the cartridge case and a side wall of the purification material storage portion. 前記流入口が前記カートリッジケースの底壁に形成されるとともに、前記浄化材収納部の底壁から側壁に亘って前記水通路に連通する折曲経路が形成されており、前記浄化材収納部の底壁には面取部が設けられていることを特徴とする請求項１〜４のうちいずれか１項に記載の浄水カートリッジ。   The inflow port is formed in the bottom wall of the cartridge case, and a bent path that communicates with the water passage is formed from the bottom wall to the side wall of the purification material storage unit. The water purification cartridge according to any one of claims 1 to 4, wherein the bottom wall is provided with a chamfered portion.
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