JPH07194905A - Filter for liquid - Google Patents
Filter for liquidInfo
- Publication number
- JPH07194905A JPH07194905A JP6001596A JP159694A JPH07194905A JP H07194905 A JPH07194905 A JP H07194905A JP 6001596 A JP6001596 A JP 6001596A JP 159694 A JP159694 A JP 159694A JP H07194905 A JPH07194905 A JP H07194905A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- liquid
- head cover
- housing body
- cylindrical valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Filtration Of Liquid (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、主に潤滑油用濾過装置
や産業用油圧機器の油圧回路中の圧油等を濾過して清浄
化するのに利用される液体濾過用フィルタ装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter device for liquid filtration, which is mainly used for filtering and cleaning pressure oil in a hydraulic circuit of a lubricating oil or industrial hydraulic equipment.
【0002】[0002]
【従来の技術】一般に、この種の油圧機器等に用いられ
る液体濾過用フィルタ装置(濾過器)は、液体回路(油
圧回路等)の配管などに接続して取り付けられるハウジ
ング本体と、この本体内に挿脱可能に収納保持されるフ
ィルタエレメントと、ヘッドカバー等で構成されてい
る。そのフィルタエレメントは、多数の孔を有した内筒
コアと、濾過面積を多く確保すべくプリーツ状(ジグザ
グ状)に多数折曲した状態で前記内筒コアの外周に囲設
された濾材と、これら上下端に被嵌された底板及び流通
口付き天板とからなるカートリッジタイプのものが多
い。このフィルタエレメントは、所定期間使用したらハ
ウジング本体のヘッドカバーを外して取り出して新しい
ものと交換する。2. Description of the Related Art Generally, a filter device (filter) for liquid filtration used in this type of hydraulic equipment is provided with a housing body connected to a pipe of a liquid circuit (hydraulic circuit etc.) It is composed of a filter element that is removably housed in and held by a head cover, and the like. The filter element is an inner cylinder core having a large number of holes, and a filter medium surrounded by an outer periphery of the inner cylinder core in a state of being bent in a pleat shape (zigzag shape) in order to secure a large filtration area, In many cases, the cartridge type is composed of a bottom plate fitted to the upper and lower ends and a top plate with a flow port. When the filter element is used for a predetermined period of time, the head cover of the housing body is removed and taken out and replaced with a new one.
【0003】[0003]
【発明が解決しようとする課題】ところで、こうした従
来の液体濾過用フィルタ装置では、フィルタエレメント
の交換作業中に、そのハウジング本体の上部が開放され
ることから、該ハウジング本体に接続している液体回路
中の配管内の液体(圧油等)が、残圧や位置的(高さ)
エネルギーによって、該ハウジング本体の上部から溢れ
出て、周囲にこぼれてしまう問題があった。By the way, in such a conventional liquid filtering filter device, since the upper part of the housing main body is opened during the replacement work of the filter element, the liquid connected to the housing main body is opened. Liquid (pressure oil, etc.) in the piping in the circuit is residual pressure or positional (height)
There is a problem that the energy overflows from the upper part of the housing body and spills around.
【0004】そこで、従来では、ハウジング本体から液
体が流出しないように、液体回路中の液体を全て取り出
した後にフィルタエレメントの交換作業を行なったり、
或いはハウジング本体に接続する配管に設けたバルブを
必ず閉じてからフィルタエレメントの交換作業を行なう
ようにしていた。Therefore, conventionally, in order to prevent the liquid from flowing out from the housing body, the filter element is replaced after all the liquid in the liquid circuit is taken out,
Alternatively, the valve provided in the pipe connected to the housing body must be closed before the filter element is replaced.
【0005】しかし、液体回路中の液体を全部抜き出す
には多くの時間が必要で、フィルタエレメントの交換作
業の能率が非常に悪い。また配管途中のバルブを閉じる
のは、簡単そうであるが、以外に面倒で煩わしく、しか
も交換作業後にバルブを開くのを忘れて液体回路に重大
な異常を来す虞れがある。However, it takes a lot of time to completely remove the liquid in the liquid circuit, and the efficiency of the replacement work of the filter element is very poor. Although it seems easy to close the valve in the middle of the piping, it is troublesome and troublesome besides that, and there is a risk of forgetting to open the valve after the replacement work and causing a serious abnormality in the liquid circuit.
【0006】本発明は前記事情に鑑みなされ、その目的
とするところは、フィルタエレメントの交換作業に際
し、ハウジング本体からヘッドカバーを抜き外せば、ハ
ウジング本体の導入口と導出口が自動的に閉じられ、液
体回路中の液体が残圧や位置的(高さ)エネルギーによ
ってハウジング本体内から溢れ出る心配がなくなると共
に、ヘッドカバーと一緒に使用済みフィルタエレメント
を取り出すことができ、新しいフィルタエレメントをヘ
ッドカバーと共にハウジング本体に装着すれば、前記導
入口と導出口が自動的に開かれて液体回路との導通が図
れ、そのまま液体濾過機能を発揮でき、従来のような液
体回路中の液体を全部抜き出す面倒や配管途中のバルブ
を開閉する煩わしさが一切不要で、非常に簡便かつ能率
良くフィルタエレメントの交換ができる液体濾過用フィ
ルタ装置を提供することにある。The present invention has been made in view of the above circumstances, and an object thereof is to remove the head cover from the housing body during the replacement work of the filter element, so that the inlet and the outlet of the housing body are automatically closed. There is no need to worry about the liquid in the liquid circuit overflowing from the housing body due to residual pressure or positional (height) energy, and the used filter element can be taken out together with the head cover. If it is attached to, the inlet and outlet can be automatically opened and conduction with the liquid circuit can be achieved, and the liquid filtering function can be exerted as it is. No need to open and close the valve of the filter element, it is very simple and efficient. It is to provide a liquid filtration filter device capable bets exchange.
【0007】[0007]
【課題を解決するための手段と作用】請求項1の発明の
液体濾過用フィルタ装置は、前記目的を達成するため
に、内部を濾過室とした有底縦型筒状をなし且つ上端部
にバルブ装着口を有すると共に周壁部に液体回路と接続
する導入口と導出口とを互いに周方向に離間して有した
ハウジング本体と、このハウジング本体のバルブ装着口
内に回転可能に装着され前記導入口と導出口と対応する
穴を有した円筒バルブと、下部にフィルタエレメントを
有した状態で前記ハウジング本体にバルブ装着口より挿
脱可能に且つその挿入した状態で所定角度回転操作した
位置で締結固定され前記フィルタエレメントをハウジン
グ本体の濾過室内に保持するヘッドカバーとを備え、そ
のヘッドカバーは、前記ハウジング本体のバルブ装着口
に挿入して固定位置へ所定角度回転操作することで前記
円筒バルブを追従回転させて開弁状態とすると共に、逆
に回転操作して挿脱位置に戻すと該円筒バルブを追従回
転させて閉弁状態とし、且つその円筒バルブの開弁状態
時のみ、該円筒バルブの穴をそれぞれ介して前記導入口
とハウジング本体の濾過室とを連通する導入流路と、該
濾過室のフィルタエレメント内と導出口とを連通する導
出流路とを有する構成としたことを特徴とする。In order to achieve the above object, the liquid filtering filter device of the present invention has a bottomed vertical cylindrical shape with a filter chamber inside and has an upper end portion. A housing main body having a valve mounting port and having an inlet port and an outlet port, which are connected to the liquid circuit on the peripheral wall portion, in the circumferential direction and spaced from each other, and the inlet port rotatably mounted in the valve mounting port of the housing body. And a cylindrical valve having a hole corresponding to the outlet port and a filter element in the lower part of the housing body, which can be inserted into and removed from the valve mounting port, and fastened and fixed at a position rotated by a predetermined angle in the inserted state. And a head cover for holding the filter element in the filtration chamber of the housing body, the head cover being inserted into a valve mounting opening of the housing body and fixed at a fixed position. By rotating the cylindrical valve by a predetermined angle, the cylindrical valve follows and rotates to the open state, and conversely when the rotating valve is returned to the insertion / removal position, the cylindrical valve follows and rotates to the closed state, and the cylinder Only when the valve is in the open state, an introduction flow path that communicates the introduction port with the filtration chamber of the housing body through the hole of the cylindrical valve, and a derivation that communicates the inside of the filter element of the filtration chamber with the derivation port And a flow path.
【0008】こうした構成の液体濾過用フィルタ装置で
あれば、ハウジング本体内のフィルタエレメントを交換
する際、該ハウジング本体上部のヘッドカバーを固定位
置から挿脱位置に回転操作して上方に抜き出せば、これ
と一緒に使用済みフィルタエレメントも外部に取り出せ
るようになると共に、そのヘッドカバーの固定位置から
挿脱位置への回転操作に円筒バルブが追従回転して、ハ
ウジング本体の液体回路と接続する導入口と導出口を自
動的に閉じる閉弁状態となる。これで従来のような液体
回路中の液体を全部抜き出したり液体回路の配管途中の
バルブを閉じると言った面倒な操作を一切行わなくて
も、液体回路中の液体が残圧や位置的(高さ)エネルギ
ーによってハウジング本体内から溢れ出る心配がなくな
る。In the case of the liquid filtering filter device having such a structure, when the filter element in the housing body is replaced, the head cover on the upper part of the housing body is rotated from the fixed position to the insertion / removal position and pulled out upward. Along with this, the used filter element can also be taken out to the outside, and the cylindrical valve follows the rotation operation of the head cover from the fixed position to the insertion / removal position, and the inlet and connection for connecting to the liquid circuit of the housing body. The outlet is closed automatically. With this, the liquid in the liquid circuit remains in the residual pressure and position (high pressure) without any troublesome operation such as withdrawing all the liquid in the liquid circuit or closing a valve in the middle of piping of the liquid circuit. There is no need to worry about the energy overflowing from the inside of the housing.
【0009】また、新しいフィルタエレメントを下部に
装着したヘッドカバーをハウジング本体のバルブ装着口
より挿入して所定角度回転操作して締結固定すれば、そ
の新しいフィルタエレメントをハウジング本体の濾過室
内にセット保持できると共に、円筒バルブが追従回転し
て自動的に開弁状態となり、その円筒バルブの穴をそれ
ぞれ介してヘッドカバーの導入流路と導出流路とがハウ
ジングの導入口と導出口とに接続する状態となる。これ
で、バルブを開き忘れることがなく、外部の流体回路一
方から液体が前記導入口とバルブの穴と導入流路を介し
てハウジング本体の濾過室に流れ込み、そこでフィルタ
エレメントの外周から内側に濾材されながら流れて、前
記導出流路とバルブの穴と導出口を介して外部の流体回
路の他方に流出して行き、液体濾過機構を十分発揮でき
るようになる。If a head cover having a new filter element attached to the lower portion is inserted from the valve mounting port of the housing body and rotated by a predetermined angle to be fastened and fixed, the new filter element can be set and held in the filtration chamber of the housing body. At the same time, the cylindrical valve follows and automatically opens, and the introduction flow path and the discharge flow path of the head cover are connected to the introduction port and the discharge port of the housing through the holes of the cylindrical valve, respectively. Become. Now, without forgetting to open the valve, the liquid flows from one side of the external fluid circuit into the filtration chamber of the housing body through the inlet, the hole of the valve and the inlet flow path, where the filter medium flows from the outer periphery of the filter element to the inner side. While flowing, it flows out to the other of the external fluid circuits through the outlet flow path, the hole of the valve, and the outlet, so that the liquid filtering mechanism can be sufficiently exhibited.
【0010】請求項2の発明の液体濾過用フィルタ装置
は、前述のハウジング本体のバルブ装着口上に、円筒バ
ルブの抜け止めを行うと共に、内周面部に複数の略L字
形をなす鉤形溝を有したリングカバーを設ける一方、こ
のリングカバーの鉤形溝に摺嵌する突起部をヘッドカバ
ーに設けて、ヘッドカバーを該リングカバーを介しハウ
ジング本体のバルブ装着口に定位置より挿脱可能に挿入
して固定位置に所定角度回転操作可能としたことを特徴
とする。According to a second aspect of the present invention, there is provided a filter device for liquid filtration, in which a cylindrical valve is prevented from coming off and a plurality of substantially L-shaped hook-shaped grooves are formed on an inner peripheral surface of the valve mounting port of the housing body. While providing the ring cover, the head cover is provided with a protrusion that slidably fits into the hook-shaped groove of the ring cover, and the head cover is removably inserted into the valve mounting port of the housing body from the fixed position through the ring cover. It is characterized in that it can be rotated to a fixed position by a predetermined angle.
【0011】これにて、ヘッドカバーのハウジング本体
への定位置からの挿脱操作並びにその挿脱位置からの固
定位置への所定角度の回転操作が楽にできて、円筒qバ
ルブの追従回転によるバルブ開閉動作が確実となる。This makes it easy to insert and remove the head cover from and into the housing body at a fixed position and to rotate the head cover at a predetermined angle from the inserted and removed position to a fixed position. The operation is reliable.
【0012】請求項3の発明の液体濾過用フィルタ装置
は、前述のハウジング本体のバルブ装着口内面の導入口
及び導出口の開口周囲に、円筒バルブと液密に摺接する
ガスケットを装着したことを特徴とする。これにて、ハ
ウジング本体のバルブ装着口内面と円筒バルブとの間の
シールが確実となって、閉弁時の液体の漏れを確実に防
止できるようになる。According to the third aspect of the present invention, there is provided a filter device for liquid filtration in which a gasket which is in liquid-tight contact with the cylindrical valve is mounted around the opening of the inlet and outlet of the inner surface of the valve mounting port of the housing body. Characterize. As a result, the seal between the inner surface of the valve mounting port of the housing body and the cylindrical valve becomes reliable, and the liquid leakage at the time of closing the valve can be reliably prevented.
【0013】[0013]
【実施例】以下、本発明の液体濾過用フィルタ装置の一
実施例を図面により説明する。なお、図1は組立使用状
態の縦断面図で、図2はフィルタエレメントを引き出し
た交換作業状態の断面図、図3は分解斜視図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the liquid filtering device of the present invention will be described below with reference to the drawings. 1 is a vertical cross-sectional view in the assembled and used state, FIG. 2 is a cross-sectional view in the replacement work state in which the filter element is pulled out, and FIG. 3 is an exploded perspective view.
【0014】まず、図中符号1はハウジング本体を示
す。このハウジング本体1は、金属製或いはポリエステ
ルやポリプロピレンやポリエチレンやナイロンやポリカ
ーボ等の熱可塑性高分子樹脂材より一体成形された剛性
強度に優れた厚肉な有底縦型筒状をなす容器で、その内
部が濾過室2とされている。First, reference numeral 1 in the drawing indicates a housing body. The housing body 1 is a container having a thick bottomed vertical tubular shape excellent in rigidity and strength, which is integrally formed of a thermoplastic polymer resin material such as metal, polyester, polypropylene, polyethylene, nylon, or polycarbonate. The inside is a filtration chamber 2.
【0015】このハウジング本体1の上端には一回り大
径なヘッド部3が一体成形され、このヘッド部3の中央
に円形なバルブ装着口4が上方に開口して形成されてい
る。また、このヘッド部3の周壁に外部の液体回路の配
管A,Bと接続する導入口5と導出口6とが互いに周方
向に間隔を存して、即ち左右両側に対向して、それぞれ
貫通する状態に形成されている。A head portion 3 having a slightly larger diameter is integrally formed at the upper end of the housing body 1, and a circular valve mounting port 4 is formed at the center of the head portion 3 so as to open upward. Further, an inlet port 5 and an outlet port 6 connected to the pipes A and B of the external liquid circuit are circumferentially spaced from each other on the peripheral wall of the head part 3, that is, face each other on the left and right sides and penetrate each other. It is formed to
【0016】このハウジング本体1のヘッド部3のバル
ブ装着口4内の左右両側部に、縦溝付き凹部7がそれぞ
れ形成され、これら凹部7に突条付きガスケット8がそ
れぞれ上方から摺嵌して添設されている。これら両側の
ガスケット8はそれぞれ中央に前記導入口5及び導出口
6と合致連通する穴8aを有して、該導入口5及び導出
口6の開口周囲に配置する。Recesses 7 with vertical grooves are formed on both left and right sides inside the valve mounting port 4 of the head portion 3 of the housing body 1, and the protrusion-provided gaskets 8 are slidably fitted into the recesses 7 from above. It is attached. Each of the gaskets 8 on both sides has a hole 8a that is in communication with the inlet port 5 and the outlet port 6 at the center, and is arranged around the opening of the inlet port 5 and the outlet port 6.
【0017】こうしたガスケット8付きのバルブ装着口
4内に円筒バルブ9が回転可能に摺嵌して設けられてい
る。この円筒バルブ9は前記導入口5と導出口6とに対
応する一対の穴9a,9bを有し、この円筒バルブ9が
所定角度(例えば90度)正逆回転することで、該穴9
a,9bが前記ガスケット8の穴8aを介して導入口5
及び導出口6と合致連通する開弁状態になったり、該穴
9a,9bが導入口5及び導出口6から完全にずれる閉
弁状態になったりする。その開弁状態において円筒バル
ブ9の周面が前記ガスケット8に液密に接してシール状
態を保つようになる。また、この円筒バルブ9の上端内
周縁部には連係用の凹段部9cが形成されている。A cylindrical valve 9 is rotatably slidably fitted in the valve mounting port 4 with the gasket 8. The cylindrical valve 9 has a pair of holes 9a and 9b corresponding to the inlet 5 and the outlet 6, and the cylindrical valve 9 rotates forward and backward by a predetermined angle (for example, 90 degrees) so that the hole 9 can be rotated.
a and 9b are introduced through the hole 8a of the gasket 8 into the inlet port 5
Also, the valve 9 may be in an open state in which it communicates with the outlet 6 and may be in a closed state in which the holes 9a and 9b are completely displaced from the inlet 5 and the outlet 6. In the opened state, the peripheral surface of the cylindrical valve 9 comes into liquid-tight contact with the gasket 8 to keep the sealed state. Further, a concave step portion 9c for linkage is formed on the inner peripheral edge of the upper end of the cylindrical valve 9.
【0018】前記ハウジング本体1のヘッド部3の上面
凹部に一部嵌合してリングカバー10が複数本(例えば
4本)のボルト11により位置決め固定されている。こ
のリングカバー10は肉厚環状体で、前記バルブ装着口
4内の円筒バルブ9の上方への抜止めを行う。また、こ
のリングカバー10は内周面部に複数(例えば3個)の
略L字形をなす鉤形溝12が周方向に等間隔を存して形
成されている。A ring cover 10 is partly fitted in a recess in the upper surface of the head portion 3 of the housing body 1, and a ring cover 10 is positioned and fixed by a plurality of (for example, four) bolts 11. The ring cover 10 is a thick annular body and prevents the cylindrical valve 9 in the valve mounting port 4 from being pulled out upward. Further, the ring cover 10 has a plurality of (for example, three) hook-shaped grooves 12 each having a substantially L shape formed on the inner peripheral surface thereof at equal intervals in the circumferential direction.
【0019】こうしたハウジング組立体(ハウジングア
ッセンブリ)に対し脱着交換可能なフィルタエレメント
21付きヘッドカバー31が備えられている。なお、そ
のフィルタエレメント21は、多数の孔を有した内筒コ
ア22と、濾過面積を多く確保すべくプリーツ状(ジグ
ザグ状)に多数折曲した状態で前記内筒コア22の外周
に囲設された濾材23と、これらの上下端に被嵌された
底板24と流通口25a付き天板25とからなるカート
リッジタイプのもである。A head cover 31 with a filter element 21 that is removable and replaceable is provided for such a housing assembly (housing assembly). The filter element 21 is surrounded by an inner cylindrical core 22 having a large number of holes and a plurality of pleats (zigzag) bent to secure a large filtration area. It is also a cartridge type which is composed of the filtered filter medium 23, a bottom plate 24 fitted to the upper and lower ends of the filter medium 23, and a top plate 25 with a flow port 25a.
【0020】前記ヘッドカバー31は、天板部32と、
この下側の段付き筒体部33と、更にその下端のフィル
タ取付口部34とを同一軸線的に連設して備えた一体成
形品である。その下端のフィルタ取付口部34に対し前
記フィルタエレメント21が、この天板25の流通口2
5aをOリング等のパッキン26を介し液密に嵌着する
ことで取付けられている。The head cover 31 includes a top plate portion 32,
This is an integrally-molded product that is provided with the lower stepped cylindrical body portion 33 and the filter attachment port portion 34 at the lower end thereof that are continuous in the same axial line. The filter element 21 is connected to the filter mounting opening 34 at the lower end of the top plate 25 through the flow port 2.
5a is attached by fitting in a liquid-tight manner via a packing 26 such as an O-ring.
【0021】このヘッドカバー31が、前記フィルタエ
レメント21を下部に取付けた状態で、前記ハウジング
本体1のヘッド部3のバルブ装着口4にリングカバー1
0を介し上方より挿脱可能に、且つその挿入した位置か
ら所定角度回転操作した位置で複数本(例えば3本)の
ボルト35によりリングカバー10に締結固定でき、こ
れで前記フィルタエレメント21をハウジング本体1の
濾過室2内に垂下保持すると共に天板部32でバルブ装
着口4上を塞げるようになっている。The ring cover 1 is attached to the valve mounting port 4 of the head portion 3 of the housing body 1 with the head cover 31 attached to the lower portion of the filter element 21.
It can be inserted and removed from above via 0, and can be fastened and fixed to the ring cover 10 by a plurality of (for example, three) bolts 35 at a position rotated by a predetermined angle from the inserted position. The top plate portion 32 holds the valve 1 in the filtration chamber 2 of the main body 1 and closes the valve mounting port 4.
【0022】ここで、前記ヘッドカバー31の段付き筒
体部33の上段大径部分の外周には、複数個(例えば3
個)の突起部36が周方向に等間隔を存して設けられ、
これら突起部36を前記リングカバー10の各鉤形溝1
2に摺嵌するようにすることで、ヘッドカバー31がハ
ウジング本体1のバルブ装着口4に対し常に定位置より
挿脱可能で、且つその挿入した位置から固定位置に所定
角度(例えば90度)回転操作可能で、そこで上方に抜
け止めされると共に前記ボルト35による締結固定が可
能となっている。Here, a plurality of (eg, three, for example, 3 are provided on the outer periphery of the upper-stage large-diameter portion of the stepped cylindrical portion 33 of the head cover 31.
Projections 36 are provided at equal intervals in the circumferential direction,
These protrusions 36 are formed in the hook-shaped grooves 1 of the ring cover 10.
By sliding the head cover 31 into the valve mounting opening 4 of the housing body 1, the head cover 31 can always be inserted into and removed from the fixed position and rotated from the inserted position to a fixed position by a predetermined angle (for example, 90 degrees). It is operable so that it can be prevented from coming out upward and can be fastened and fixed by the bolt 35.
【0023】また、前記ヘッドカバー31は前記一個の
突起部36の下側に小突起部37を有し、このヘッドカ
バー31を前述の如くヘッド部3のバルブ装着口4にリ
ングカバー10を介し定位置から挿入することで、該小
突起部37が前記円筒バルブ9の連係用の凹段部9cに
係合し、その状態でヘッドカバー31を回転操作すると
該円筒バルブ9が一緒に追従回転するようになってい
る。つまり、ヘッドカバー31をバルブ装着口4に挿入
してボルト35による固定位置に所定角度回転操作する
ことで、円筒バルブ9が追従回転して、この穴9a,9
bが前記ガスケット8の穴8aを介して導入口5及び導
出口6と合致連通した開弁状態となり、逆にヘッドカバ
ー31を回転操作して挿脱位置(定位置)に戻すと、該
穴9a,9bが導入口5及び導出口6から完全にずれた
閉弁状態となる構成である。Further, the head cover 31 has a small protrusion 37 on the lower side of the one protrusion 36, and the head cover 31 is fixed to the valve mounting port 4 of the head 3 via the ring cover 10 as described above. When the head cover 31 is rotated in this state, the small projection portion 37 engages with the recessed step portion 9c for linking the cylindrical valve 9 so that the cylindrical valve 9 follows and rotates together. Has become. That is, by inserting the head cover 31 into the valve mounting port 4 and rotating the head cover 31 at a fixed position by the bolt 35 by a predetermined angle, the cylindrical valve 9 rotates following the holes 9a, 9a.
When b is in a valve-opened state in which it is in communicative communication with the inlet port 5 and the outlet port 6 through the hole 8a of the gasket 8, and conversely the head cover 31 is rotated to return to the insertion / removal position (fixed position), the hole 9a , 9b are completely displaced from the inlet 5 and the outlet 6 and are in a closed state.
【0024】更に、そのヘッドカバー31の段付き筒体
部33の下段小径部分に、その一側部を凹陥してなる導
入流路38と、前記フィルタ取付口34から中心部を通
って他側部に開口する導出流路39とが形成されてい
る。この導入流路38と導出流路39とがヘッドカバー
31のバルブ装着口4への挿入により前記円筒バルブ9
の穴9a,9bに接続し、この状態で該ヘッドカバー3
1と共に円筒バルブ9を開弁位置に所定角度回動操作し
た時のみ、該導入流路38が前記導入口5とハウジング
本体1の濾過室2(フィルタエレメント21の外周空
間)とを連通すると共に、導出流路39が濾過室2のフ
ィルタエレメント21内と導出口6とを連通するように
なっている。Further, an introduction passage 38 formed by recessing one side portion of the stepped cylindrical portion 33 of the head cover 31 in the lower step small diameter portion, and the other side portion from the filter mounting port 34 through the central portion. An outlet channel 39 is formed to open at. The introduction flow passage 38 and the discharge flow passage 39 are inserted into the valve mounting port 4 of the head cover 31 so that the cylindrical valve 9
Connected to the holes 9a and 9b of the head cover 3 in this state.
Only when the cylindrical valve 9 is rotated to the open position by a predetermined angle together with 1, the introduction passage 38 communicates the introduction port 5 with the filtration chamber 2 of the housing body 1 (outer peripheral space of the filter element 21). The outlet flow path 39 connects the inside of the filter element 21 of the filtration chamber 2 and the outlet 6.
【0025】なお、前記ヘッドカバー31の天板部32
の上面にはL字形に折曲した回転操作用の取手40が一
体に突設されている。また、そのヘッドカバー31の段
付き筒体部33の上段大径部分の外周にはOリング等の
パッキン41が設けられ、これが前記円筒バルブ10の
上端内周面と液密に接合して液体の上方への漏れを防止
するようになっている。The top plate portion 32 of the head cover 31 is
A handle 40 for rotation operation bent in an L shape is integrally provided on the upper surface of the. Further, a packing 41 such as an O-ring is provided on the outer circumference of the upper large diameter portion of the stepped cylindrical body portion 33 of the head cover 31, and this packing 41 is liquid-tightly joined to the inner peripheral surface of the upper end of the cylindrical valve 10. It is designed to prevent upward leakage.
【0026】こうした構成の液体濾過用フィルタ装置で
は、フィルタエレメント21を下部に装着したヘッドカ
バー31をハウジング本体1のヘッド部3のバルブ装着
口4にリングカバー10を介し定位置より挿入して所定
角度回転操作して締結固定すれば、該フィルタエレメン
ト21がハウジング本体1の濾過室2内にセット保持さ
れると共に、円筒バルブ9が追従回転して自動的に開弁
状態となり、その円筒バルブ9の穴9a,9bをそれぞ
れ介してヘッドカバー31の導入流路38と導出流路3
9とがハウジング本体1の導入口5と導出口6とに接続
する。In the liquid filtering filter device having such a construction, the head cover 31 having the filter element 21 mounted on the lower portion is inserted into the valve mounting port 4 of the head portion 3 of the housing body 1 from the fixed position via the ring cover 10 to set a predetermined angle. When the filter element 21 is rotated and fastened and fixed, the filter element 21 is set and held in the filtration chamber 2 of the housing body 1, and the cylindrical valve 9 is rotated following the automatic opening of the cylindrical valve 9. The introduction flow path 38 and the discharge flow path 3 of the head cover 31 through the holes 9a and 9b, respectively.
9 connects to the inlet 5 and the outlet 6 of the housing body 1.
【0027】これで、外部の流体回路の一方の配管Aか
ら導入される圧油等の液体が前記導入口5とバルブ9の
穴9aと導入流路38を介してハウジング本体1の濾過
室2内のフィルタエレメント21外周空間に流れ込み、
そこから該フィルタエレメント21の濾材23により液
体中のスラッジやごみ等の不純物が濾過捕集され、清浄
化された液体が濾材23の内側に流れて、その上部天板
25の流通口25aよりフィルタ取付口部34、導出流
路39、バルブ9の穴9b、導出口6を介して外部の流
体回路の他方の配管Bに流出して行くようになる。これ
で流体回路中の液体の濾過するようになる。With this, the liquid such as pressure oil introduced from one pipe A of the external fluid circuit passes through the inlet port 5, the hole 9a of the valve 9 and the inlet passage 38, and the filtration chamber 2 of the housing body 1. Flows into the outer peripheral space of the filter element 21 inside,
From there, impurities such as sludge and dust in the liquid are filtered and collected by the filter medium 23 of the filter element 21, and the cleaned liquid flows into the inside of the filter medium 23, and the filter is discharged from the flow port 25a of the upper top plate 25 thereof. It will flow out to the other pipe B of the external fluid circuit via the attachment port 34, the outlet flow path 39, the hole 9b of the valve 9, and the outlet 6. This will filter the liquid in the fluid circuit.
【0028】ここで、前記フィルタエレメント21をあ
る期間使用した後に交換する場合は、前記ヘッドカバー
31のボルト35を外し、取手40を持って該ヘッドカ
バー31を固定位置から前回とは逆に所定角度回転操作
して挿脱位置に移動させ、そこから上方に引っ張り上げ
て抜き出す。これで該ヘッドカバー31と一緒に使用済
みフィルタエレメント21も外部に取り出せるようにな
る。Here, when the filter element 21 is to be replaced after being used for a certain period of time, the bolt 35 of the head cover 31 is removed, and the handle 40 is held and the head cover 31 is rotated from the fixed position by a predetermined angle contrary to the previous time. Operate it to move it to the insertion / removal position, pull it upward from there and pull it out. With this, the used filter element 21 can be taken out together with the head cover 31.
【0029】しかも、そのヘッドカバー31の前記固定
位置から挿脱位置への回転操作により円筒バルブ9が追
従回転して、この穴9a,9bがハウジング本体1の導
入口5と導出口6とから完全にずれる。即ち、円筒バル
ブ9がヘッドカバー31に連動して自動的に閉弁状態と
なる。これで従来のような液体回路中の液体を全部抜き
出したり液体回路の配管途中のバルブを閉じると言った
面倒な操作を一切行わなくても、液体回路中の液体が残
圧や位置的(高さ)エネルギーによってハウジング本体
1内から溢れ出る心配がなくなる。Moreover, the cylindrical valve 9 follows and rotates by the rotation operation of the head cover 31 from the fixed position to the insertion / removal position, and the holes 9a and 9b are completely removed from the inlet 5 and the outlet 6 of the housing body 1. It shifts. That is, the cylindrical valve 9 is automatically closed in conjunction with the head cover 31. With this, the liquid in the liquid circuit remains in the residual pressure or position (high) without any troublesome operation such as withdrawing all the liquid in the liquid circuit or closing the valve in the middle of the piping of the liquid circuit. There is no need to worry about the energy overflowing from the inside of the housing body 1.
【0030】そして、新しいフィルタエレメント21を
下部に装着したヘッドカバー31をハウジング本体1の
バルブ装着口4にリングカバー10を介し定位置より挿
入して所定角度回転操作して締結固定すれば、該新しい
フィルタエレメント21をハウジング本体1の濾過室2
内にセット保持できると同時に、円筒バルブ9が追従回
転して自動的に開弁状態となって、元の使用状態に復帰
する。これで、バルブを開き忘れることがなく、外部の
流体回路中の液体をハウジング本体1の濾過室2に導入
してフィルタエレメント21により濾過できるようにな
る。Then, the head cover 31 having the new filter element 21 mounted on the lower portion is inserted into the valve mounting port 4 of the housing body 1 from the fixed position via the ring cover 10 and is rotated by a predetermined angle to be fastened and fixed. The filter element 21 is installed in the filtration chamber 2 of the housing body 1.
At the same time, the cylindrical valve 9 can follow and rotate to automatically open and return to the original use state. With this, the liquid in the external fluid circuit can be introduced into the filtration chamber 2 of the housing body 1 and filtered by the filter element 21 without forgetting to open the valve.
【0031】また、前記ハウジング本体1のバルブ装着
口4上に取り付けたリングカバー10の複数の鉤形溝1
2に、ヘッドカバー31の突起部36が摺嵌するように
しているので、そのヘッドカバー31のハウジング本体
1のバルブ装着口4への定位置での挿脱操作並びにその
挿脱位置からの固定位置への所定角度の回転操作が楽に
できて、円筒バルブ10の追従回転によるバルブ開閉動
作が確実となる。A plurality of hook-shaped grooves 1 of the ring cover 10 mounted on the valve mounting port 4 of the housing body 1 are also provided.
Since the protrusion 36 of the head cover 31 is slidably fitted into the valve cover 2, the head cover 31 can be inserted into and removed from the valve mounting opening 4 of the housing body 1 at a fixed position, and can be moved to a fixed position from the inserted and removed position. The rotation operation of the predetermined angle can be performed easily, and the valve opening / closing operation by the follow-up rotation of the cylindrical valve 10 can be ensured.
【0032】更に、ハウジング本体1のバルブ装着口4
内面の導入口5及び導出口6の開口周囲に、円筒バルブ
9と液密に摺接するガスケット8を装着したことによ
り、バルブ装着口4内面と円筒バルブ9との間のシール
が確実となって、閉弁時の液体の漏れを更に一層確実に
防止できるようになる。Further, the valve mounting port 4 of the housing body 1
By mounting the gasket 8 that is in liquid-tight contact with the cylindrical valve 9 around the openings of the inlet port 5 and the outlet port 6 on the inner surface, the seal between the inner surface of the valve mounting port 4 and the cylindrical valve 9 becomes reliable. Thus, it becomes possible to more surely prevent the liquid from leaking when the valve is closed.
【0033】なお、そのリングカバー10は必ずしも設
ける必要はなく、例えば、円筒バルブ9の抜け止め段部
や、ヘッドカバー31の突起部36を案内係合する鉤形
溝12を、ハウジング本体1のヘッド部3のバルブ装着
口4内上縁部に直接形成した構成としても良い。その
他、本発明の要旨を逸脱しない範囲であれば種々変更可
能である。The ring cover 10 does not necessarily have to be provided. For example, the retaining step of the cylindrical valve 9 and the hook-shaped groove 12 for guiding and engaging the projection 36 of the head cover 31 are provided in the head of the housing body 1. It may be formed directly on the upper edge of the valve mounting port 4 of the portion 3. In addition, various modifications can be made without departing from the scope of the present invention.
【0034】[0034]
【発明の効果】本発明の液体濾過用フィルタ装置は、前
述の如く構成したので、フィルタエレメントの交換作業
に際し、ハウジング本体からヘッドカバーを抜き外せ
ば、ハウジング本体の導入口と導出口が円筒バルブによ
り自動的に閉じられ、液体回路中の液体が残圧や位置的
(高さ)エネルギーによってハウジング本体内から溢れ
出る心配がなく、ヘッドカバーと一緒に使用済みフィル
タエレメントを取り出すことができ、新しいフィルタエ
レメントをヘッドカバーと共にハウジング本体に装着す
れば、前記導入口と導出口が自動的に開かれて液体回路
との導通が図れ、そのまま液体濾過機能を発揮でき、従
来のような液体回路中の液体を全部抜き出す面倒や配管
途中のバルブを開閉する煩わしさが一切不要で、非常に
簡便かつ能率良くフィルタエレメントの交換ができる。Since the filter device for liquid filtration of the present invention is constructed as described above, when the head cover is removed from the housing body when the filter element is replaced, the inlet and outlet ports of the housing body are formed by the cylindrical valves. A new filter element that automatically closes and can remove the used filter element together with the head cover without worrying that the liquid in the liquid circuit will overflow from the housing body due to residual pressure or positional (height) energy If the head cover is attached to the housing body together with the head cover, the inlet and outlet can be automatically opened to establish electrical connection with the liquid circuit, and the liquid filtering function can be exerted as it is. There is no need to bother with pulling out and opening and closing valves in the middle of piping, making it extremely easy and efficient. You can replace the filter element.
【図1】本発明の液体濾過用フィルタ装置の一実施例を
示す組立使用状態の縦断面図。FIG. 1 is a vertical cross-sectional view showing an embodiment of a filter device for liquid filtration of the present invention in an assembled and used state.
【図2】同上実施例のフィルタエレメントを引き出した
交換作業状態の断面図。FIG. 2 is a cross-sectional view showing a state in which a filter element according to the above-mentioned embodiment is pulled out and replaced.
【図3】同上実施例の分解斜視図。FIG. 3 is an exploded perspective view of the above embodiment.
1…ハウジング本体、2…濾過室、4…バルブ装着口、
5…導入口、6…導出口、8…ガスケット、9a,9b
…穴、9…円筒バルブ、10…リングカバー、12…鉤
形溝、21…フィルタエレメント、31…ヘッドカバ
ー、36…突起部、38…導入流路、39…導出流路。1 ... Housing body, 2 ... Filtration chamber, 4 ... Valve mounting port,
5 ... Inlet port, 6 ... Outlet port, 8 ... Gasket, 9a, 9b
... Hole, 9 ... Cylindrical valve, 10 ... Ring cover, 12 ... Hook-shaped groove, 21 ... Filter element, 31 ... Head cover, 36 ... Projection, 38 ... Introducing channel, 39 ... Outflowing channel.
Claims (3)
且つ上端部にバルブ装着口を有すると共に周壁部に液体
回路と接続する導入口と導出口とを互いに周方向に離間
して有したハウジング本体と、このハウジング本体のバ
ルブ装着口内に回転可能に装着され前記導入口と導出口
と対応する穴を有した円筒バルブと、下部にフィルタエ
レメントを有した状態で前記ハウジング本体にバルブ装
着口より挿脱可能で且つその挿入した状態で所定角度回
転操作した位置で締結固定され前記フィルタエレメント
をハウジング本体の濾過室内に保持するヘッドカバーと
を備え、 そのヘッドカバーは、前記ハウジング本体のバルブ装着
口に挿入して固定位置へ所定角度回転操作することで前
記円筒バルブを追従回転させて開弁状態とすると共に、
逆に回転操作して挿脱位置に戻すと該円筒バルブを追従
回転させて閉弁状態とし、且つその円筒バルブの開弁状
態時のみ、該円筒バルブの穴をそれぞれ介して前記導入
口とハウジング本体の濾過室とを連通する導入流路と、
該濾過室のフィルタエレメント内と導出口とを連通する
導出流路とを有する構成としたことを特徴とする液体濾
過用フィルタ装置。1. A vertical cylinder having a bottom with a filter chamber inside, a valve mounting port at the upper end, and an inlet and outlet that are connected to a liquid circuit in the peripheral wall and are separated from each other in the circumferential direction. And a cylindrical valve having a hole rotatably mounted in a valve mounting opening of the housing main body and having holes corresponding to the inlet and the outlet, and a housing element having a filter element in a lower portion. A head cover that is insertable / removable from the valve mounting port and that is fastened and fixed at a position where it is rotated by a predetermined angle in the inserted state to hold the filter element in the filtration chamber of the housing body, and the head cover is a valve of the housing body. Inserted into the mounting port and rotated to a fixed position by a predetermined angle to rotate the cylindrical valve following and to open the valve,
On the contrary, when the cylindrical valve is rotated to return to the insertion / removal position, the cylindrical valve is rotated to follow the closed state, and only when the cylindrical valve is opened, the introduction port and the housing are inserted through the holes of the cylindrical valve. An introduction flow path that communicates with the filtration chamber of the main body,
A filter device for liquid filtration, characterized in that it has a lead-out flow path that connects the inside of the filter element of the filtration chamber and the lead-out port.
において、ハウジング本体のバルブ装着口上に、円筒バ
ルブの抜け止めを行うと共に、内周面部に複数の略L字
形をなす鉤形溝を有したリングカバーを設ける一方、こ
のリングカバーの鉤形溝に摺嵌する突起部をヘッドカバ
ーに設けて、ヘッドカバーを該リングカバーを介しハウ
ジング本体のバルブ装着口に定位置より挿脱可能に挿入
して固定位置に所定角度回転操作可能としたことを特徴
とする液体濾過用フィルタ装置。2. The filter device for liquid filtration according to claim 1, wherein a cylindrical valve is retained on a valve mounting port of a housing body, and a plurality of substantially L-shaped hook-shaped grooves are provided on an inner peripheral surface portion. While providing the ring cover, the head cover is provided with a protrusion that slides into the hook-shaped groove of the ring cover, and the head cover is removably inserted from the fixed position into the valve mounting port of the housing body through the ring cover. A filter device for liquid filtration, characterized in that it can be rotated to a fixed position by a predetermined angle.
タ装置において、ハウジング本体のバルブ装着口内面の
導入口及び導出口の開口周囲に、円筒バルブと液密に摺
接するガスケットを装着したことを特徴とする液体濾過
用フィルタ装置。3. The filter device for liquid filtration according to claim 1 or 2, wherein a gasket that is in liquid-tight contact with the cylindrical valve is mounted around the opening of the inlet and outlet of the valve mounting port of the housing body. A filter device for liquid filtration, comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP00159694A JP3320185B2 (en) | 1994-01-12 | 1994-01-12 | Filter device for liquid filtration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP00159694A JP3320185B2 (en) | 1994-01-12 | 1994-01-12 | Filter device for liquid filtration |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07194905A true JPH07194905A (en) | 1995-08-01 |
JP3320185B2 JP3320185B2 (en) | 2002-09-03 |
Family
ID=11505890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP00159694A Expired - Lifetime JP3320185B2 (en) | 1994-01-12 | 1994-01-12 | Filter device for liquid filtration |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3320185B2 (en) |
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US6984320B2 (en) * | 2002-02-19 | 2006-01-10 | Access Business Group International Llc | Removable closure assembly for a water treatment system |
JP2006519102A (en) * | 2003-03-05 | 2006-08-24 | ウルトラフィルター インターナショナル アーゲー | Multi-function filter |
JP2014094337A (en) * | 2012-11-08 | 2014-05-22 | Shinjiro Osawa | Water purifier |
WO2015166569A1 (en) * | 2014-05-01 | 2015-11-05 | 信二郎 大澤 | Water purifier |
CN106673135A (en) * | 2016-12-08 | 2017-05-17 | 厦门智蓝环保科技有限公司 | Household water purifier |
WO2019184887A1 (en) * | 2018-03-26 | 2019-10-03 | 佛山市顺德区阿波罗环保器材有限公司 | Water purifier and filter cartridge device thereof |
CN112041002A (en) * | 2018-05-02 | 2020-12-04 | 日机装株式会社 | Air trap chamber and extracorporeal circulation circuit |
-
1994
- 1994-01-12 JP JP00159694A patent/JP3320185B2/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US6068770A (en) * | 1996-07-12 | 2000-05-30 | Millipore Corporation | Disposable separation module with quick connect capability |
US6984320B2 (en) * | 2002-02-19 | 2006-01-10 | Access Business Group International Llc | Removable closure assembly for a water treatment system |
JP2006519102A (en) * | 2003-03-05 | 2006-08-24 | ウルトラフィルター インターナショナル アーゲー | Multi-function filter |
JP2014094337A (en) * | 2012-11-08 | 2014-05-22 | Shinjiro Osawa | Water purifier |
WO2015166569A1 (en) * | 2014-05-01 | 2015-11-05 | 信二郎 大澤 | Water purifier |
CN106673135A (en) * | 2016-12-08 | 2017-05-17 | 厦门智蓝环保科技有限公司 | Household water purifier |
CN106673135B (en) * | 2016-12-08 | 2023-05-02 | 厦门唯科健康产业有限公司 | Household water purifier |
WO2019184887A1 (en) * | 2018-03-26 | 2019-10-03 | 佛山市顺德区阿波罗环保器材有限公司 | Water purifier and filter cartridge device thereof |
CN112041002A (en) * | 2018-05-02 | 2020-12-04 | 日机装株式会社 | Air trap chamber and extracorporeal circulation circuit |
CN112041002B (en) * | 2018-05-02 | 2023-08-11 | 日机装株式会社 | Air trap chamber and extracorporeal circulation circuit |
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