JPS597601Y2 - Flow rate adjustment valve with built-in rotary switching valve - Google Patents
Flow rate adjustment valve with built-in rotary switching valveInfo
- Publication number
- JPS597601Y2 JPS597601Y2 JP12371378U JP12371378U JPS597601Y2 JP S597601 Y2 JPS597601 Y2 JP S597601Y2 JP 12371378 U JP12371378 U JP 12371378U JP 12371378 U JP12371378 U JP 12371378U JP S597601 Y2 JPS597601 Y2 JP S597601Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- oil passage
- oil
- main body
- rotary switching
- 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.)
- Expired
Links
Landscapes
- Sliding Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Description
【考案の詳細な説明】
本考案はデセラレーション弁とチェック弁と圧力複償型
流量調整弁とを組み合わせた回転切換弁内蔵流量調整弁
の改良に関する。[Detailed Description of the Invention] The present invention relates to an improvement of a flow regulating valve with a built-in rotary switching valve, which is a combination of a deceleration valve, a check valve, and a pressure compensating flow regulating valve.
従来のかかる弁においては、第1にデセラレーション弁
に相当する回転切換弁は上下作動する形式であれ、また
は回転する形式であっても切換えを行うスライド弁と本
体外に突出する部分と1体であり、スライド弁で直接本
体孔をシールしていた。In such conventional valves, firstly, whether the rotary switching valve corresponding to the deceleration valve is a type that operates vertically or a type that rotates, it has a slide valve that performs switching, a part that protrudes outside the main body, and 1. The body hole was directly sealed with a slide valve.
従って本体とスライド弁とは上下動または回転のたびに
摺動するので、この摺動面の隙間から切紛やごみをかみ
込んだり、切削油が侵入する不具合があり、更にこの面
が摩耗し易く油洩れを起すおそれもあった。Therefore, since the main body and the slide valve slide each time they move up and down or rotate, there is a problem that chips and dirt can get caught in the gaps between these sliding surfaces, or cutting oil can get in. Furthermore, this surface can wear out. There was also a risk that oil would easily leak.
第2に、従来のかかる弁は外周円筒面で本体孔と嵌合し
ており、上下動の場合テーパ面やみぞで、回転する形式
ではスライド弁内のU字形油路により、入口ポートと出
口ポートとの連通閉止を行っており、本体孔と円筒面間
でシールされていた。Second, in conventional valves, the outer cylindrical surface fits into the main body hole, and in the case of vertical movement, a tapered surface or groove, and in the case of rotation, a U-shaped oil passage inside the slide valve connects the inlet port and outlet. Communication with the port was closed, and a seal was created between the body hole and the cylindrical surface.
従って遊隙を多くしないと円滑に作動せず、いきおい内
部リークが多く、使用による摩耗によりこの不具合は大
きくなりバルブ性能を低下させた。Therefore, unless there is a large play gap, the valve will not operate smoothly and there will be a lot of internal leakage, and this problem will become worse due to wear due to use, resulting in a reduction in valve performance.
本考案はかかる従来品の欠点を除去し、本体とスライド
弁の隙間から切粉、ごみ、油等をかみ込んだり摩耗した
りすることなく、また内部リークの多いスライド弁の円
筒摺動面のない、摩耗や内部リークのない、高性能の回
転切換弁内蔵流量調整弁を提供することを目的とする。The present invention eliminates the drawbacks of the conventional products, eliminates chips, dirt, oil, etc. from getting caught in the gap between the main body and the slide valve, and eliminates abrasion. The purpose of the present invention is to provide a high-performance flow regulating valve with a built-in rotary switching valve that is free from wear and internal leakage.
以下本考案の実施例につき図面に基いて説明すると、回
転切換弁内蔵流量調整弁には、本体1と、以下本体にそ
れぞれ内装された、入口ポート35、出口ポート36、
入口ポート35と出口ポート36とを連通する油路19
, 20、油路19, 20の間に介されて油路19,
20の連通閉止を行う回転切換弁37からなる早送り
系がある。Hereinafter, an embodiment of the present invention will be described based on the drawings. The flow rate regulating valve with a built-in rotary switching valve includes a main body 1, an inlet port 35, an outlet port 36, which are respectively installed in the main body.
Oil passage 19 communicating between inlet port 35 and outlet port 36
, 20, the oil passage 19, which is interposed between the oil passages 19, 20;
There is a rapid feed system consisting of a rotary switching valve 37 that performs communication/closing of 20.
次に同じく内蔵の、入口ポート35、油路19、油路1
9からの圧油を逆止する逆止弁10の油室9、油路23
、圧力コンペンセータ7、油路25、流量調整弁38、
油路31, 32とを順次介して連通し、油路21,2
0を通り出口ポート36に連通ずるようされた遅送りの
系があり、更に出口ポート36から油路20、絞り弁1
2、油路22、逆止弁10を開き油室9、油路19とそ
れぞれ介し連通し入口ポート35に通ずるようされた戻
り遅送りの系があり、上記3つの系が本体1に組み込ま
れ、一部油路19, 20は共用されている。Next, the inlet port 35, oil passage 19, and oil passage 1 are also built-in.
The oil chamber 9 and the oil passage 23 of the check valve 10 that checks the pressure oil from 9
, pressure compensator 7, oil passage 25, flow rate adjustment valve 38,
It communicates with the oil passages 31 and 32 sequentially, and the oil passages 21 and 2
There is a slow feed system that communicates with the outlet port 36 through the outlet port 36, and the oil passage 20 and the throttle valve 1 from the outlet port 36.
2. The oil passage 22 and the check valve 10 are opened, and there is a slow return feed system which communicates with the oil chamber 9 and the oil passage 19 through the inlet port 35, respectively, and the above three systems are incorporated into the main body 1. , some of the oil passages 19 and 20 are shared.
絞り弁12は回路上省略されることがある。The throttle valve 12 may be omitted from the circuit.
以上3つの系のうち、遅送り系は逆方向に流れ得す、戻
り遅送り系も逆止弁10により逆方向には流れない。Of the above three systems, the slow feed system can flow in the reverse direction, and the return slow feed system also does not flow in the reverse direction due to the check valve 10.
早送り系は逆方向に流れ得る。A fast forward system can flow in the opposite direction.
回転切換弁37は本体1の外に突出するU字切欠け29
を有する回転子6と、回転千6に固定されたスライド弁
4と、上蓋2と、上蓋2とスライド弁4間を付勢するス
プリング16と、下蓋3とからなっている。The rotary switching valve 37 has a U-shaped notch 29 that protrudes outside the main body 1.
The rotor 6 has a rotor 6, a slide valve 4 fixed to the rotor 6, an upper cover 2, a spring 16 that biases between the upper cover 2 and the slide valve 4, and a lower cover 3.
上蓋2は本体を貫通する孔39の一端で、スライド弁4
上部を回転可能に支承し、頂部側周33において回転子
6の凹部34と嵌合しており、本体1とスライド弁4上
部間とを密閉する。The upper cover 2 has a slide valve 4 at one end of a hole 39 passing through the main body.
The upper part is rotatably supported, and the top side periphery 33 is fitted into the recess 34 of the rotor 6, thereby sealing the space between the main body 1 and the upper part of the slide valve 4.
下蓋3は本体を貫通する孔39の他端を密閉し、第5図
にみるように頂部41に一端を開口し他端を出口ポート
36に連通ずる固定油路26, 27とを有している。The lower lid 3 seals the other end of the hole 39 passing through the main body, and has fixed oil passages 26 and 27 that open at one end at the top 41 and communicate with the outlet port 36 at the other end, as shown in FIG. ing.
スライド弁4下端面42と下蓋3頂部41とは面でシー
ルされる。The lower end surface 42 of the slide valve 4 and the top portion 41 of the lower lid 3 are sealed by a surface.
スライド弁4には油路28であるU字溝があり入口ポー
ト35と常時連通している。The slide valve 4 has a U-shaped groove, which is an oil passage 28, and is in constant communication with the inlet port 35.
U字溝状油路28の他端は下端面42に開口しておりス
ライド弁4が回転されるとき、下蓋3の頂部41開口油
路26と連通可能になっている。The other end of the U-shaped groove-shaped oil passage 28 is open to the lower end surface 42 and can communicate with the oil passage 26 opening at the top 41 of the lower lid 3 when the slide valve 4 is rotated.
スライド弁4には受圧面5が設けられ油路19からの圧
油の圧力を受けている。The slide valve 4 is provided with a pressure receiving surface 5 and receives the pressure of pressure oil from an oil passage 19.
次に作動状態について説明すると、回転子6は第1図、
第6図のAの位置に最初セットされる。Next, to explain the operating state, the rotor 6 is shown in FIG.
It is initially set at position A in FIG.
この位置では油路28, 26は連通しており、従って
油路19により人口ポート35と、油路27, 20に
より出口ポート36とは相互に連通される。In this position, the oil passages 28 and 26 are in communication, so that the artificial port 35 and the outlet port 36 are communicated with each other through the oil passage 19 and the oil passages 27 and 20, respectively.
第2図において電磁弁43が作動に入りソレノイドaが
励磁されると弁位置は左に入りシリンダ18は左方向に
早送り速度で進む。In FIG. 2, when the solenoid valve 43 is activated and the solenoid a is energized, the valve position moves to the left and the cylinder 18 moves leftward at a rapid traverse speed.
すると一定点で第1図に示すようにスライド44のピン
17がU字切欠け29にA位置で当接し反時計方向に回
転子6ひいてはスライド弁4をB位置まで回転させる。Then, at a certain point, as shown in FIG. 1, the pin 17 of the slide 44 contacts the U-shaped notch 29 at the A position, and rotates the rotor 6 and thus the slide valve 4 counterclockwise to the B position.
このため第7図に示すように油路28, 26間の連通
、ひいては油路19と20との連通が断たれる。For this reason, as shown in FIG. 7, the communication between the oil passages 28 and 26, and by extension the communication between the oil passages 19 and 20, is cut off.
そこで、油路19の圧油は第3図に示すように逆止弁1
0に逆止され、油路22へは入らず、油室9から油路2
3に入り、圧カコンペンセータ7のオリフイス24を通
り油路25から第4図に示す流量調整弁38のスリーブ
14とスプール13とで形或されるオリフイス30から
油路31,32を通り、更に油路21を介して油路20
に通じた出口ポート36と連通ずる。Therefore, the pressure oil in the oil passage 19 is transferred to the check valve 1 as shown in FIG.
0, the oil does not enter the oil passage 22, and the oil passage 2 flows from the oil chamber 9.
3, passes through the orifice 24 of the pressure compensator 7 from the oil passage 25, passes through the orifice 30 formed by the sleeve 14 and spool 13 of the flow rate adjustment valve 38 shown in FIG. Oil passage 20 via oil passage 21
The outlet port 36 communicates with the outlet port 36 .
即ち遅送り系に流れる。In other words, it flows to the slow feed system.
遅送り系に流れる流量は流量調整弁38のつまみ15を
回転してオリフイス30の大きさを変えて任意の量とす
ることができる。The flow rate flowing into the slow feed system can be set to an arbitrary amount by rotating the knob 15 of the flow rate regulating valve 38 and changing the size of the orifice 30.
従ってシリンダ18は切削送りなど必要な遅送りが出来
る。Therefore, the cylinder 18 can perform necessary slow feeds such as cutting feeds.
次に電磁弁43のソレノイドaを非励磁してソレノイド
bを励磁するとシリンダ18は戻りに入る。Next, when the solenoid a of the electromagnetic valve 43 is de-energized and the solenoid b is energized, the cylinder 18 returns.
圧油は出口ポート36より入り油路20を通り第3図に
示すように絞り弁12で絞られた後油路22から逆止弁
10を開いて油室9に入り油路19に出て人口ポート3
5に出る。Pressure oil enters from the outlet port 36, passes through the oil passage 20, is throttled by the throttle valve 12 as shown in FIG. population port 3
Appears on 5th.
即ち戻り運送つとなる。In other words, there will be one return transport.
絞り弁12は固定式であるが可変絞り弁としてもよい。Although the throttle valve 12 is a fixed type, it may be a variable throttle valve.
シリンダ18が右方向に戻ってゆくと、ピン17は第1
図のB位置で回転子6のU字切欠けに入り、回転子6を
時計方向にもとの位置Aまで回転させる。As the cylinder 18 returns to the right, the pin 17
Enter the U-shaped notch in the rotor 6 at position B in the figure and rotate the rotor 6 clockwise to the original position A.
そこで油路28, 26は第6図のように連通し、出口
ポート36からの圧油は絞られることなく油路20,
27, 26, 28, 19と順次通り人口ポート3
5に流れるのでシリンダ18は早戻りする。Therefore, the oil passages 28 and 26 communicate with each other as shown in FIG. 6, and the pressure oil from the outlet port 36 is not restricted and flows through the oil passages 20 and
27, 26, 28, 19 and so on, population port 3
5, the cylinder 18 returns quickly.
本考案では第5図に示すようにスライド弁4の回転によ
る油路28の切換えは円筒側面でなく下端面42で下蓋
3の頂部41と面シールしており、油路19の圧力が受
圧面5にかかり、これとスプリング16とによって押さ
れて完全なシールがなされ内部リークは殆どなくなり、
更に面が摩耗しても自動的に複償されるので、内部リー
クが増えることなく、長期間安定した切換弁機能が得ら
れることになった。In the present invention, as shown in FIG. 5, the oil passage 28 is switched by the rotation of the slide valve 4 by making a face seal with the top 41 of the lower cover 3 not on the cylindrical side but on the lower end face 42, so that the pressure in the oil passage 19 is It rests on surface 5 and is pressed by this and spring 16 to form a complete seal and almost eliminate internal leakage.
Furthermore, even if the surface wears out, compensation is automatically compensated for, so internal leaks do not increase and stable switching valve function can be achieved over a long period of time.
更に、上蓋2を本体1に固定し,、頂部側周33を回転
子6の凹部34と嵌合させたので、切欠けやごみのみ込
みや切削油に侵入する不具合もなく、更にこの面が摩耗
したり油洩れをすることもなくなった。Furthermore, since the upper cover 2 is fixed to the main body 1 and the top side periphery 33 is fitted into the recess 34 of the rotor 6, there is no problem of notches, dirt being swallowed, or cutting oil entering, and furthermore, this surface is No more wear or oil leaks.
第2図、第8図に示すように上蓋2に頂部側周33にひ
きつづくテーパ付き肩部45を設けると切粉、ごみ、油
は本体に自重落下するので、更に上記した不具合がなく
なり、また第8図、第9図に示すように回転子6の凹部
34内周と上蓋2頂部側周33との間にダストシール4
6を介すると更にシールが完全となり、上記した不具合
をなくすものとなった。As shown in FIGS. 2 and 8, if the upper cover 2 is provided with a tapered shoulder 45 that continues to the top side periphery 33, chips, dirt, and oil will fall to the main body under their own weight, further eliminating the above-mentioned problems. Further, as shown in FIGS. 8 and 9, a dust seal 4 is formed between the inner periphery of the recess 34 of the rotor 6 and the top side periphery 33 of the upper cover 2.
6, the seal was even more complete and the above-mentioned problems were eliminated.
第1図は本考案の実施例の上面図、第2図は第1図のI
I − II線に沿った断面図と作動油圧回路図、第3
図は第1図のIII−III線に沿った断面図、第4図
は第2図のIV−IV線に沿った断面図、第5図は第2
図の■−■線に沿った部分拡大断面図、第6図と第7図
は第2図のVI−VI線に沿った部分拡大断面図、第8
図は他の実施例の上蓋付近の部分断面図、第9図は更に
他の実施例の第8図と同様の断面図である。
1・・・・・・本体、2・・・・・・上蓋、3・・・・
・・下蓋、4・・・・・・スライド弁、5・・・・・・
受圧面、6・・・・・・回転子、7・・・・・・圧カコ
ンペンセータ、9・・・・・・油室、10・・・・・・
逆止弁、16・・・・・・スプリング、19, 20,
21, 22, 23, 25, 26,27, 2
8, 31, 32・・・・・・油路、29・・・・・
・U字切欠け、33・・・・・・頂部側周、34・・・
・・・凹部、35・・・・・・入口ポート、37・・・
・・・回転切換弁、38・・・・・・流量調整弁、39
・・・・・・本体を貫通する孔、41・・・・・・下蓋
の頂部、42・・・・・・スライド弁の下端面、45・
・・・・・肩部、46・・・・・・ダストシール、A,
B・・・・・・U字切欠けの位置。Fig. 1 is a top view of an embodiment of the present invention, and Fig. 2 is an I of Fig. 1.
Sectional view along line I-II and hydraulic circuit diagram, 3rd
The figure is a sectional view taken along the line III-III in Fig. 1, Fig. 4 is a sectional view taken along the line IV-IV in Fig. 2, and Fig. 5 is a sectional view taken along the line IV-IV in Fig. 2.
6 and 7 are partially enlarged sectional views taken along line VI-VI in FIG.
The figure is a partial sectional view of the vicinity of the top cover of another embodiment, and FIG. 9 is a sectional view similar to FIG. 8 of still another embodiment. 1...Main body, 2...Top lid, 3...
・・Bottom cover, 4・・Slide valve, 5・・・・
Pressure receiving surface, 6...Rotor, 7...Pressure compensator, 9...Oil chamber, 10...
Check valve, 16... Spring, 19, 20,
21, 22, 23, 25, 26, 27, 2
8, 31, 32...Oil road, 29...
・U-shaped notch, 33...Top side circumference, 34...
... recess, 35... inlet port, 37...
...Rotary switching valve, 38...Flow rate adjustment valve, 39
...... Hole penetrating the main body, 41 ... Top of the lower lid, 42 ... Lower end surface of the slide valve, 45.
...Shoulder, 46...Dust seal, A,
B...Position of U-shaped notch.
Claims (1)
出口ポート、入口ポートと出口ポートとを連通ずる油路
、油路間に介されて油路の連通閉止をする回転切換弁、
入口ポートからの油路の圧油を逆止する逆止弁の油室と
圧力コンペンセータと流量調整弁とを順次介して入口ポ
ートと出口ポートとを連通ずる油路、出口ポートから上
記逆止弁を開いて入口ポートに連通する油路、とからな
る回転切換弁内蔵流量調整弁において、回転切換弁は本
体外に突出するU字切欠けを有する回転子と、回転子に
固定されたスライド弁と、本体を貫通する孔の一端でス
ライド弁上部を回転可能に支承し頂部側周と回転子の凹
部と嵌合し本体とスライド弁上部間とを密封する上蓋と
、スライド弁と上蓋間を付勢するスプリングと、スライ
ド弁下端面と頂部で摺接し本体を貫通する孔の他端を密
閉する下蓋とからなり、下蓋には頂部に一端を開口し他
端を出口ポートに連通ずる固定油路があり、スライド弁
には一端が入口ポートと常時連通し他端が下端面に開口
しスライド弁の回転されるとき下蓋の頂面開口油路と連
通可能な油路が設けられていると共に入口ポートからの
油路の圧油の圧力を受ける受圧面を有していることを特
徴とする回転切換弁内蔵流量調整弁。 2 回転子の凹部内周と上蓋頂部側周との間にダストシ
ールを介した実用新案登路請求の範囲第1項記載の回転
切換弁内蔵流量調整弁。 3 上蓋に頂部側周につきつづくテーパ付き肩部を設け
たことを特徴とする実業新案登録請求の範囲第1項記載
の回転切換弁内蔵流量調整弁。[Scope of claims for utility model registration] 1. The main body, the artificial port installed in the main body,
an outlet port, an oil passage that communicates the inlet port and the outlet port, a rotary switching valve that is interposed between the oil passages and closes the communication of the oil passage;
The oil passage communicates with the inlet port and the outlet port through the oil chamber of the check valve which checks the pressure oil in the oil passage from the inlet port, the pressure compensator, and the flow rate adjustment valve in sequence, and the check valve from the outlet port. In a flow regulating valve with a built-in rotary switching valve, the rotary switching valve consists of a rotor with a U-shaped notch protruding outside the main body, and a slide valve fixed to the rotor. and an upper cover which rotatably supports the upper part of the slide valve at one end of the hole penetrating the main body and which fits into the side periphery of the top and the recess of the rotor to seal between the main body and the upper part of the slide valve, and between the slide valve and the upper cover. It consists of a biasing spring, and a lower cover that slides into contact with the lower end face and top of the slide valve and seals the other end of the hole that passes through the main body.The lower cover has one end opened at the top and the other end communicated with the outlet port. The slide valve has a fixed oil passage, and the slide valve has an oil passage that is always in communication with the inlet port and the other end is open on the lower end surface and can communicate with the oil passage that opens on the top surface of the lower cover when the slide valve is rotated. 1. A flow rate regulating valve with a built-in rotary switching valve, characterized in that the valve has a pressure receiving surface that receives the pressure of pressure oil in an oil passage from an inlet port. 2. A flow rate regulating valve with a built-in rotary switching valve according to claim 1, wherein a dust seal is interposed between the inner periphery of the concave portion of the rotor and the side periphery of the top portion of the upper lid. 3. The flow rate regulating valve with a built-in rotary switching valve according to claim 1, wherein the upper cover is provided with a tapered shoulder portion that extends around the top side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12371378U JPS597601Y2 (en) | 1978-09-11 | 1978-09-11 | Flow rate adjustment valve with built-in rotary switching valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12371378U JPS597601Y2 (en) | 1978-09-11 | 1978-09-11 | Flow rate adjustment valve with built-in rotary switching valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5541605U JPS5541605U (en) | 1980-03-17 |
JPS597601Y2 true JPS597601Y2 (en) | 1984-03-08 |
Family
ID=29083074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12371378U Expired JPS597601Y2 (en) | 1978-09-11 | 1978-09-11 | Flow rate adjustment valve with built-in rotary switching valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS597601Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60125430A (en) * | 1983-12-09 | 1985-07-04 | Kinugawa Rubber Ind Co Ltd | Bush for engine mound |
-
1978
- 1978-09-11 JP JP12371378U patent/JPS597601Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5541605U (en) | 1980-03-17 |
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