JPS59144802A - 2-way selector valve for pneumatically operated tool - Google Patents
2-way selector valve for pneumatically operated toolInfo
- Publication number
- JPS59144802A JPS59144802A JP1945183A JP1945183A JPS59144802A JP S59144802 A JPS59144802 A JP S59144802A JP 1945183 A JP1945183 A JP 1945183A JP 1945183 A JP1945183 A JP 1945183A JP S59144802 A JPS59144802 A JP S59144802A
- Authority
- JP
- Japan
- Prior art keywords
- air
- air supply
- supply port
- piston
- feed port
- 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
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
Abstract
Description
【発明の詳細な説明】 く技術分野〉 本発明は、気動工具用の２方向切換弁に関する。[Detailed description of the invention] Technical fields> The present invention relates to a two-way switching valve for a pneumatic tool.
〈従来技術〉
従来、気動工具用の２方向切換弁として、電磁弁とタイ
マを組み合せ、ニアコンプレッサ等から送給された１次
圧縮空気を２次側の２つの流路に時間をずらせて送給し
、例えば、エアニッパ等の気動工具において、先ず最初
に送給される圧縮空気で気動工具本体を所定方向に移動
させ、その後、遅延させた圧縮空気でカッタを作動させ
るものがあった。<Prior art> Conventionally, a two-way switching valve for a pneumatic tool uses a combination of a solenoid valve and a timer to time-shift the primary compressed air supplied from a near compressor, etc. to two flow paths on the secondary side. For example, in some pneumatic tools such as air nippers, the main body of the pneumatic tool is first moved in a predetermined direction using the compressed air that is fed, and then the cutter is operated using delayed compressed air. Ta.
しかし、従来の該２方向切換弁は、電磁弁やタイマを構
成する電気回路を必要とし、構成が複雑になる欠点があ
った。However, the conventional two-way switching valve requires an electric circuit constituting a solenoid valve and a timer, which has the disadvantage of making the structure complicated.
く目的〉
本発明は、電磁弁及びタイマを用いることなく、機械的
構成のみで給気源に連結する給気口から２次側の第１送
気口への圧縮空気の送給開始後、所定時間遅延して第２
送気口へ圧縮空気を送給するようにした気動工具用の２
方向切換弁の提供を目的とする。Purpose of the present invention: After the start of supply of compressed air from an air supply port connected to an air supply source to a first air supply port on the secondary side using only a mechanical configuration without using a solenoid valve or a timer, After a predetermined time delay, the second
2 for pneumatic tools that supply compressed air to the air supply port
The purpose is to provide a directional control valve.
〈実施例〉
第１図は、本発明の２方向切換弁の縦断正面図、第２図
は底面図、第３図は側面図を示す。<Example> FIG. 1 is a longitudinal sectional front view of a two-way switching valve of the present invention, FIG. 2 is a bottom view, and FIG. 3 is a side view.
弁本体（１）は金属製直方体状外形をしている。横長の
該弁本体の中央所定範囲の左右方向には、左から右へ、
大、中、小径の断面円形の異径孔を段階的に横貫して、
エアシリンダ室（５）を設け、該エアシリンダ室の左・
右開口部に大径キャップ（８）、小径キャップ（９）を
夫々気密にねじ締め嵌着して、エアシリンダ室（５）を
閉塞してシリンタ室大径部（５ａ）、シリンダ室小径部
（５ｂ） 、シリンダ室小径部（５Ｃ）を連設している
。The valve body (1) is made of metal and has a rectangular parallelepiped shape. In the left and right direction of the central predetermined range of the horizontally long valve body, from left to right,
By passing through holes with different diameters of large, medium, and small diameters in a circular cross section,
An air cylinder chamber (5) is provided, and the left side of the air cylinder chamber
A large diameter cap (8) and a small diameter cap (9) are screwed into the right opening in an airtight manner to close off the air cylinder chamber (5) and close the cylinder chamber large diameter section (5a) and cylinder chamber small diameter section. (5b) and a cylinder chamber small diameter portion (5C) are arranged in series.
該エアシリンダ室（５）には、ピストン（７）の小径内
部（１２ｂ）を穿設した漸縮状先端部を有する小径部が
常時はシリンダ室小径部（５Ｃ）内に臨み、作動時に該
小径部外周は、シリンダ室小径部（５Ｃ）の内周に、大
径部外周がシリンダ室、中径部（５ｂ）の内周に所定距
離左右摺動可能に密嵌し、該ビスｌ−ン（７）は異径円
筒状に構成されている。前記シリンダ小径部（５ａ）内
にはビスＩ〜ン左端のピストン鍔部（７ａ）の内端面と
シリンタ室大径部（５ａ）の右端面間において、ピスト
ン（７）の外周に巻装したばね（６）により常時、ピス
トン（７）を左方大径キャップ（８）の内端面に圧接す
るように付勢している。In the air cylinder chamber (5), a small diameter portion having a tapered tip formed by boring the small diameter inside (12b) of the piston (7) normally faces into the cylinder chamber small diameter portion (5C), and during operation, the small diameter portion has a tapered tip. The outer periphery of the small diameter part is tightly fitted into the inner periphery of the small diameter part (5C) of the cylinder chamber, and the outer periphery of the large diameter part is fitted tightly into the inner periphery of the cylinder chamber and the medium diameter part (5b) so as to be able to slide from side to side by a predetermined distance. The cylinder (7) has a cylindrical shape with different diameters. Inside the cylinder small diameter part (5a), a screw is wound around the outer circumference of the piston (7) between the inner end surface of the piston collar part (7a) at the left end of the cylinder and the right end surface of the cylinder chamber large diameter part (5a). A spring (6) always urges the piston (7) to press against the inner end surface of the left large diameter cap (8).
該キャップ（８）の内端部は、小径になっていて、ピス
トン鍔部（７ａ）の左端に該キャップ内端面周縁が接し
、該小径部外周には大径環状の空所α８）がシリンタ室
大径部（５ａ）の延長状に形成されている。The inner end of the cap (8) has a small diameter, and the periphery of the inner end surface of the cap contacts the left end of the piston flange (7a), and a large diameter annular space α8) is formed on the outer periphery of the small diameter portion. It is formed in the shape of an extension of the large diameter portion (5a) of the chamber.
ピストン（７）は、大径内部（１２ａ）の外端に更に大
径開口部を連設してその段部に掛支して大径内部（１２
ａ）に栓（１０）を密嵌している。該栓は、その内端と
大径内部（１２ａ）の他方内端と９間に皿ばね（１０）
とボール（功を内装して該皿ばね（ｌＯ）によりボール
αηを常に大径内部（１２ａ）と小径内部（１２ｂ）と
の連通内向き段部に圧接掛支させて小径内部（１２ｂ）
を密閉させている。The piston (7) further has a large-diameter opening connected to the outer end of the large-diameter interior (12a), and is hung on the stepped part of the large-diameter interior (12a).
A plug (10) is tightly fitted into a). The plug has a disc spring (10) between its inner end and the other inner end of the large diameter interior (12a).
and a ball (internal), and the ball αη is always pressed against the inward step connecting the large-diameter interior (12a) and the small-diameter interior (12b) by the disc spring (lO), thereby forming the small-diameter interior (12b).
is kept sealed.
該小径内部（１２ｂ）は、先端開口（１功から内へ小径
キャップの内端小径突出杆前がシリンダ小径部（５Ｃ）
から嵌入して、その内端は、前記ボールαυの端面と所
定僅小藺隔を存して相対している。゛ピストン（７）の
ボール内装部外周の大径部壁には９０度間隔毎に所定径
の透孔（１：ｃが穿設されている。The small-diameter inside (12b) has a tip opening (inward from the small-diameter cap, the small-diameter protruding rod at the inner end of the small-diameter cap is the cylinder small-diameter portion (5C).
The inner end faces the end surface of the ball αυ with a predetermined small distance therebetween. ``Through holes (1:c) of a predetermined diameter are bored at 90 degree intervals in the large diameter wall of the outer periphery of the inner ball portion of the piston (7).
該エアシリンダ室（５）の−側寄りには、該室と平行し
て所定径の主管路（１５ａ）を右端側へ、これより小径
の副管路（１５ｂ）を左端側へ連通開口させて主管路（
１５ａ）の開口部には第１送気口（３）を有するニップ
ル（３Ａ）を螺着し、他方副管路（１５ｂ）の外端の大
径弁室端から該副管路内へは内端漸縮状の空気量調節用
の絞り弁αηが進退可能に螺合密着され、該副管路（１
５ｂ）は大径環状空所（１８）と連通している。On the negative side of the air cylinder chamber (5), a main conduit (15a) of a predetermined diameter is opened to the right end side, and a sub conduit (15b) of a smaller diameter is opened to the left end side in parallel with the chamber. Main pipe (
A nipple (3A) having a first air supply port (3) is screwed into the opening of 15a), and a nipple (3A) having a first air supply port (3) is screwed into the opening of the sub-pipeline (15b) from the large-diameter valve chamber end at the outer end of the sub-pipeline (15b). A throttle valve αη for adjusting the air amount having a gradually contracting shape at the inner end is screwed into close contact with the sub pipe (1) so that it can move forward and backward.
5b) communicates with the large diameter annular cavity (18).
気動工具作動用の圧縮空気の給入、送給路は、弁本体は
ぼ中程の側面に横嵌したニップル（２人）の給気口（２
）と直交し、前記ピストンの透孔（１３）と連通ずる管
路０４）によってピストン内部と連通し、他方の透孔α
■及び前記主管路Ｑ５ａ）、副管路（１５ｂ）と連通ず
る管路０６）とによってニップル（３Ａ）の送気口（３
）及び大径環状空所０８）に連通し、ピストンの小径内
部（１２ｂ）を介してエアシリンダ室の小径部（５Ｃ）
に連通ずるニップル（４Ａ）の送気口（４）に連通した
管路が構成されている。図中（イ）は何れもビス１〜ン
摺動時、各部の気密を保持して所定送気口への給気を確
実にする０リノグ、（２１）は第２送気口（４）の背圧
の排出口で、小径キャップ（９）の小径突出杆基部に嵌
着したＯＪング（２０ａ）か該背圧によってピストン開
口αつの端面へ摺動じて該開口を閉塞することによって
確実に該排出口から逸出するよう構成されている。The compressed air supply and supply path for operating the pneumatic tool is the air supply port (2) of the nipple (2 people) fitted horizontally on the side of the valve body in the middle.
) and communicates with the inside of the piston through a conduit 04) which communicates with the through hole (13) of the piston, and communicates with the other through hole α.
(3) and the main pipe Q5a) and the air supply port (3
) and the large-diameter annular cavity 08), and communicates with the small-diameter part (5C) of the air cylinder chamber via the small-diameter inside (12b) of the piston.
A pipe line is configured that communicates with the air supply port (4) of the nipple (4A) that communicates with the air supply port (4). In the figure, (A) shows the 0linogu, which maintains the airtightness of each part and ensures the supply of air to the designated air outlet when the screws 1 to 1 slide, and (21) shows the second air outlet (4). At the back pressure outlet, the OJ ring (20a) fitted to the small diameter protruding rod base of the small diameter cap (9) slides toward the end face of the piston opening α due to the back pressure and closes the opening. The liquid is configured to escape from the outlet.
以上の構成に係る本発明の気動工具における２方向切換
弁の作用は次の通りである。The operation of the two-way switching valve in the pneumatic tool of the present invention having the above configuration is as follows.
ニアコンプレッサ（図示せず）等の１次側から供給され
た圧縮空気は、先ず給入口（２）から管路（１４）、ピ
ストン（７）の透孔（１３、管路０６）、主管路Ｑ５ａ
）を通り、２次側の第１送気口（３）から気動工具（図
示せず）の所定の回路に送給される。Compressed air supplied from the primary side of a near compressor (not shown) etc. is first passed from the inlet (2) to the pipe (14), the through hole (13, pipe 06) of the piston (7), and the main pipe. Q5a
), and is supplied to a predetermined circuit of a pneumatic tool (not shown) from the first air supply port (3) on the secondary side.
主管路（１５ａ）に流入した圧縮空気は一部分、左方、
即ち小径の副管路（１５ｂ）、流量調酷絞り弁（１７１
の方へ分流され、該分流圧縮空気は大径環状空所（１８
）に流入し、ピストン（７）をばね（６）に抗してエア
シリンダ室小径部（５ｃ）の右方へ摺動させる。Part of the compressed air that has flowed into the main pipe (15a) is on the left,
That is, a small diameter sub-duct (15b), a flow rate regulating throttle valve (171
The divided compressed air is divided into a large diameter annular cavity (18
), causing the piston (7) to slide against the spring (6) to the right of the small diameter portion (5c) of the air cylinder chamber.
ピストン（７）の小径先端部がエアシリンタ小径内部（
５Ｃ）内部に摺動すると、開口ｑつを閉塞してピストン
内方に突入しているボール（１１）は、小径突出杆（９
′）に衝突、皿ばね０Ｑに抗して左方に押圧されて段部
との掛支から外されることにより、小径内部（１２ｂ）
と大径内部（１２ａ）か連通し、エアシリンダ小径部（
５Ｃ）内に開口して圧縮空気は、該開口＠からエアシリ
ンタ室小径部（５Ｃ）に連通した管路（図示せず）から
第２送気口（４）へ送給され、ニップル（４Ａ）を介し
て気動工具の所定の回路に送給される。従ってその給気
は前記第１送気口（３）への給気に所定時間（分、秒単
位）遅延することになる。The small diameter tip of the piston (7) is inside the air cylinder small diameter (
5C) When sliding inward, the ball (11), which closes the q openings and protrudes into the piston, closes the small diameter protruding rod (9
'), the small diameter inside (12b) is pushed to the left against the disc spring 0Q, and is disengaged from the step.
communicates with the large diameter inside (12a), and communicates with the air cylinder small diameter part (12a).
5C), and the compressed air is fed from the opening @ to the second air supply port (4) from a conduit (not shown) that communicates with the air cylinder chamber small diameter part (5C), to a predetermined circuit of the pneumatic tool. Therefore, the air supply to the first air supply port (3) is delayed by a predetermined time (minutes, seconds).
前記第１送気口（３）への圧縮空気送給開始後、何秒後
に第２送気口（４）への送給を開始するかの調整は、絞
り弁０７１を副管路（１５ｂ）内に進退させて、大径環
状空所（１８）へ流入する圧縮空気の分量を調節変化さ
せることによって行なっている。Adjustment of how many seconds after the start of compressed air supply to the first air supply port (3) to start supplying compressed air to the second air supply port (4) is performed by connecting the throttle valve 071 to the sub pipe (15b). ) to adjust and change the amount of compressed air flowing into the large-diameter annular cavity (18).
尚、ビス１〜ンの右方摺動限は、エアシリンタ室小径部
の端面である。The rightward sliding limit of screws 1 to 1 is the end face of the small diameter portion of the air cylinder chamber.
く効果〉 以上の構成・作用二こ係る本発明の気動工具用の第１図 ２方向切換弁は次の効果を奏する。Effect〉 Fig. 1 for a pneumatic tool of the present invention according to the above configuration and operation. The two-way switching valve has the following effects.
１）電磁弁やタイマ等の電気部品、電気回路を不要とす
ることとなり機械的のみて構成が簡素になつ ｊこ 。1) Electrical components such as solenoid valves and timers and electrical circuits are no longer required, which simplifies the configuration from a mechanical standpoint.
２）絞り弁を調整することによって２次側の第１送気口
に対する第２送気口への圧縮空気の送給開始時間を任意
に設定できるようになった。2) By adjusting the throttle valve, it is now possible to arbitrarily set the start time of supplying compressed air to the second air supply port relative to the first air supply port on the secondary side.
第１図は本発明の気動工具における２方向切換弁の縦断
正面図。
第２図は、同上底面図。
第３図は、同上側面図である。
１・・弁本体、 ２・・給気口、３・・第１
送気口、 ４・第２送気口、５・・エアシリンタ室
、 ７−ピストン、８・・・大径キャップ、 ９
・・小径キャップ、１１・・・ホール、 １２
・・・開口、１３・・・透孔、 １４・・管路
、１５ａ−・・主管路、 １５ｂ・・・副管路、
１７・・絞り弁、 １８・大径環状空所。
第２図
９
第３図FIG. 1 is a longitudinal sectional front view of a two-way switching valve in a pneumatic tool of the present invention. FIG. 2 is a top bottom view of the same. FIG. 3 is a side view of the same as above. 1. Valve body, 2. Air supply port, 3. 1st
Air supply port, 4-Second air supply port, 5-Air cylinder chamber, 7-Piston, 8-Large diameter cap, 9
...Small diameter cap, 11...Hole, 12
...Opening, 13...Through hole, 14...Pipe line, 15a-...Main pipe line, 15b...Sub-pipe line,
17. Throttle valve, 18. Large diameter annular cavity. Figure 2 9 Figure 3
Claims (1)
（１５ａ）と、第２送気口（４）への給気用副管路（１
５ｂ）とを管路α・により連通させ、該副管路は絞り弁
にて流量調節可能とし、該弁本体内にエアシリンク室（
５）を穿設してピストン（７）を密嵌し、之に前記管路
（１６）を連通させ且つ給気源に連結する給気口（２）
を該ピストンに連通し、前記副管路（１５ｂ）への分流
給気により一端を押圧されて他方へ摺動する該、ピスト
ンの他方開口を常時はボールの圧接にて閉塞し、ビ“ス
トンの摺動によりエアシリンダ室内面の突出杆にホール
を突き当ててボールを押圧後退させて該開口を解放して
該エアシリンク室内の第２送気口（４）と連通させて第
１送気口（３）への給気口（２）からの送気に所定時間
遅延させて該第２送気口（４）からの送気を行わせるよ
うにしたことを特徴とする気動工具用の２方向切換弁。Inside the valve body (1), there are a main air supply pipe (15a) to the first air supply port (3) and a sub air supply pipe (1) to the second air supply port (4).
5b) are communicated with each other through a pipe line α, and the flow rate of this sub pipe can be adjusted with a throttle valve, and an air syringe chamber (
5), into which the piston (7) is tightly fitted, and which communicates the pipe (16) with the air supply port (2), which is connected to the air supply source;
is communicated with the piston, and the other opening of the piston, whose one end is pressed and slides to the other side by the divided air supplied to the sub-pipeline (15b), is normally closed by pressure contact with a ball, and the piston is closed. By sliding, the hole is brought into contact with the protruding rod on the inside of the air cylinder chamber, and the ball is pressed and retreated to release the opening and communicate with the second air supply port (4) inside the air cylinder chamber, thereby opening the first air supply port. (3) Air supply from the air supply port (2) to the second air supply port (4) is delayed by a predetermined period of time, and air is supplied from the second air supply port (4). Two-way switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1945183A JPS59144802A (en) | 1983-02-07 | 1983-02-07 | 2-way selector valve for pneumatically operated tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1945183A JPS59144802A (en) | 1983-02-07 | 1983-02-07 | 2-way selector valve for pneumatically operated tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59144802A true JPS59144802A (en) | 1984-08-20 |
| JPH0330001B2 JPH0330001B2 (en) | 1991-04-26 |
Family
ID=11999673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1945183A Granted JPS59144802A (en) | 1983-02-07 | 1983-02-07 | 2-way selector valve for pneumatically operated tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59144802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011158695A1 (en) * | 2010-06-15 | 2011-12-22 | 株式会社コスメック | Time-delay valve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4934949U (en) * | 1972-06-30 | 1974-03-27 | ||
| JPS5140218A (en) * | 1974-10-01 | 1976-04-03 | Nippon Telegraph & Telephone | INJIKIKO |
-
1983
- 1983-02-07 JP JP1945183A patent/JPS59144802A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4934949U (en) * | 1972-06-30 | 1974-03-27 | ||
| JPS5140218A (en) * | 1974-10-01 | 1976-04-03 | Nippon Telegraph & Telephone | INJIKIKO |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011158695A1 (en) * | 2010-06-15 | 2011-12-22 | 株式会社コスメック | Time-delay valve |
| EP2584205A1 (en) * | 2010-06-15 | 2013-04-24 | Kosmek Ltd. | Time-delay valve |
| EP2584205A4 (en) * | 2010-06-15 | 2014-05-14 | Kosmek Ltd | Time-delay valve |
| JP5632914B2 (en) * | 2010-06-15 | 2014-11-26 | 株式会社コスメック | Time delay valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0330001B2 (en) | 1991-04-26 |
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