JPS6119904Y2 - - Google Patents
Info
- Publication number
- JPS6119904Y2 JPS6119904Y2 JP10908183U JP10908183U JPS6119904Y2 JP S6119904 Y2 JPS6119904 Y2 JP S6119904Y2 JP 10908183 U JP10908183 U JP 10908183U JP 10908183 U JP10908183 U JP 10908183U JP S6119904 Y2 JPS6119904 Y2 JP S6119904Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- operator
- closing
- locking piece
- opening
- 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
- 238000005498 polishing Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Description
【考案の詳細な説明】
本考案は切換え操作を確実にした空気作動式工
具に於ける切換弁操作装置に関するものである。[Detailed Description of the Invention] The present invention relates to a switching valve operating device for a pneumatically operated tool that ensures reliable switching operation.
従来の空気作動式工具の弁装置は、たとえば、
特公昭49−27631号公報によつて知られており、
外部から供給される圧縮空気を規制する弁体と、
この弁体を操作する操作棒とが直線状に係合し、
この操作棒を空気圧に抗して押し込むことにより
弁口を開いてバルブを開く構造になつている。し
かし、斯る装置では前記操作棒をあまり強く押し
過ぎると、可動筒体と係止環が同時に移動しこの
操作棒が固定しなくなり、開弁状態を維持できな
いという欠点があつた。 Conventional pneumatic tool valve systems are e.g.
It is known from Japanese Patent Publication No. 49-27631,
A valve body that regulates compressed air supplied from the outside,
The operating rod that operates this valve body engages linearly,
By pushing this operating rod against air pressure, the valve port is opened and the valve is opened. However, such a device has a drawback that if the operating rod is pushed too strongly, the movable cylinder and the locking ring move simultaneously, the operating rod becomes unfixed, and the valve cannot be maintained in the open state.
本考案は従来の空気作動式工具の弁装置が斯る
欠点を有する点に鑑み、上記欠点を全面的に解消
することを目的としてなされたもので、開操作子
を押し込んだ後は再操作するまでの間、弁体を確
実に固定することを特徴とするものである。 In view of the drawbacks of conventional valve devices for air-operated tools, the present invention was developed with the aim of completely eliminating the above-mentioned drawbacks. This feature is characterized in that the valve body is reliably fixed until then.
以下本考案の1実施例について説明する。 An embodiment of the present invention will be described below.
1は研磨用ペーパー(図示せず)を巻きつける
研磨作動盤(以下研磨盤という)、2は同研磨盤
に圧縮空気により微小振動を発生させるエアモー
タで、研磨盤1の上部には本考案装置を納めるた
めのハウジング4がゴム等の弾力性を有する複数
の支柱3,3を介して取付けられている。ハウジ
ング4の上面一側に設けたボス部5内には弁口6
を有した弁室7を形成し、この弁口6の他側には
コンプレツサー(図示せず)からの圧縮空気を送
気するホース(図示せず)の一端を連結する螺孔
8を形成する。9は弁口6に連らなつて水平方向
にボス部を貫通させた通孔で、同通孔9の途中か
ら分岐させた孔10と前記エアーモータ2の周壁
に設けた給気口11とはホース12で連結されて
いる。 1 is a polishing operation disk (hereinafter referred to as the polishing disk) that wraps abrasive paper (not shown), 2 is an air motor that generates minute vibrations in the polishing disk using compressed air, and the device of the present invention is installed on the top of the polishing disk 1. A housing 4 for accommodating the housing 4 is attached via a plurality of elastic supports 3, 3 made of rubber or the like. A valve port 6 is provided in the boss portion 5 provided on one side of the upper surface of the housing 4.
A screw hole 8 is formed on the other side of the valve port 6 to connect one end of a hose (not shown) for supplying compressed air from a compressor (not shown). . Reference numeral 9 denotes a through hole which is continuous with the valve port 6 and penetrates through the boss portion in the horizontal direction, and includes a hole 10 branched from the middle of the through hole 9 and an air supply port 11 provided in the peripheral wall of the air motor 2. are connected by a hose 12.
14は通孔9内に軸心方向(第1図左右方向)
に進退動可能に挿通した棒状の弁で、弁室7内に
位置する当該弁14の一端には弁口6をシールす
るシールリング15を装着し、又、外部に位置す
る弁14の他端には係止リング16を取付け、係
止リング16とボス部5との間には、弁口6を閉
塞する方向に該弁14に付勢させたスプリング1
7を装着する。 14 is inserted into the through hole 9 in the axial direction (left and right direction in Figure 1)
It is a rod-shaped valve that is inserted through the valve chamber so as to be able to move forward and backward.A seal ring 15 is attached to one end of the valve 14 located inside the valve chamber 7 to seal the valve port 6, and the other end of the valve 14 located outside A locking ring 16 is attached to the locking ring 16, and a spring 1 is installed between the locking ring 16 and the boss portion 5 to bias the valve 14 in the direction of closing the valve port 6.
Attach 7.
20はハウジング4の上部に装着したカバー
で、カバー20の正面部には、前記ボス部5と反
対の側に弁14の開操作子21と閉操作子26を
上下2段に重ね且つ別個に進退動可能に装着す
る。この開操作子21は前部に、左右方向(第4
図上下方向)に扇状に拡げた指当部22を有し、
この指当部の中心部から後方直角方向に延設した
支持部23の中央には方形の窓部24を形成し、
この窓部24内には、支持部23の後部に前方に
向けてやや下向きにして上下方向(第5図上下方
向)に可撓性を有する弾性係止片25を突設す
る。 Reference numeral 20 denotes a cover attached to the upper part of the housing 4, and on the front side of the cover 20, on the side opposite to the boss part 5, an opening operator 21 and a closing operator 26 of the valve 14 are stacked in two layers, one above the other, and separated separately. It is attached so that it can move forward and backward. This opening operator 21 is located in the front part in the left and right direction (fourth direction).
It has a finger rest part 22 that expands in a fan shape in the vertical direction in the figure,
A square window portion 24 is formed in the center of the support portion 23 extending from the center of the finger rest in the rear right angle direction,
Inside this window portion 24, an elastic locking piece 25 that is flexible in the vertical direction (vertical direction in FIG. 5) is provided projecting forward and slightly downward at the rear of the support portion 23.
閉操作子26は前部に、左右方向(第6図上下
方向)に扇状に拡げた指当部27を有し、この指
当部27の中心部から後方直角方向に上記弾性係
止片25の下り傾斜操作部29と、当該弾性係止
片25の下向き自由端を下方から支える支承面2
8を斜面下部に設け、傾斜操作部29の中央部分
には下記凸部31の上端部を出没させる長孔30
を形成する。 The closing operation element 26 has a finger rest 27 in the front part that extends in the left-right direction (vertical direction in FIG. 6) in a fan shape, and the elastic locking piece 25 extends from the center of the finger rest 27 in the rearward right angle direction. and a support surface 2 that supports the downwardly-oriented free end of the elastic locking piece 25 from below.
8 is provided at the lower part of the slope, and a long hole 30 is provided at the center of the tilt operation part 29 through which the upper end of the convex part 31 shown below appears.
form.
傾斜操作部29の長孔30の中に出没する凸部
31は弁14と同一直線上に位置させてハウジン
グ4上に突設したものであることは云うまでもな
いが、この凸部31の後部側(弁室7側)は閉操
作片26が前方に向つて飛び出すのを防止するた
めに垂直部32を有し、この長孔30内に凸部3
1が突出した状態にあるときには支承面28上に
載る弾性係止片25の先端が前進するのを阻止さ
わるようになつている。33は閉操作子26に前
進力を付勢するためのスプリングで、閉操作子2
6をスプリング33に抗して押圧すると、該操作
子26の前記下向き傾斜操作部29が、弾性係止
片25の下向き自由端を捉えて上記凸部31の垂
直面部32との係合を解放するようになつてい
る。 It goes without saying that the protrusion 31 that protrudes and retracts into the elongated hole 30 of the tilt operation part 29 is located on the same straight line as the valve 14 and protrudes from the housing 4. The rear side (valve chamber 7 side) has a vertical portion 32 in order to prevent the closing operation piece 26 from protruding forward, and a convex portion 3 is provided in this elongated hole 30.
1 is in the protruding state, the tip of the elastic locking piece 25 resting on the support surface 28 is touched to prevent it from moving forward. 33 is a spring for applying forward force to the closing operator 26;
6 is pressed against the spring 33, the downwardly inclined operating section 29 of the operating element 26 catches the downward free end of the elastic locking piece 25 and releases the engagement with the vertical surface section 32 of the convex section 31. I'm starting to do that.
34は閉操作子26の前後方向への動きを安定
させるために同操作子に下向きに突設したピン
で、ハウジング4上に穿設した長孔(図示せず)
に係合されている。 Reference numeral 34 denotes a pin protruding downward from the closing operator 26 in order to stabilize the movement of the closing operator 26 in the front-rear direction, and is a long hole (not shown) drilled on the housing 4.
is engaged with.
次に上記実施例の作用について説明する。 Next, the operation of the above embodiment will be explained.
コンプレツサーの吐出口に接続した送気ホース
(図示せず)を予め研磨器の弁室7に接続し、コ
ンプレツサーを駆動させる。研磨器を使用するに
当つては開操作子21をスプリング17の弾発力
に抗して第1図矢印方向に押込む。開操作子21
がこのようにして押し込まれると、当初スプリン
グ17によつて弁口6を閉じていた弁14は圧縮
空気に抗して後退して弁口6を開き、弁室7、弁
口6、ホース12を介してエアーモータ2に空気
を送気して駆動する。而して、開操作子21が後
退すると係止片25の先端は閉操作子26の傾斜
面29に沿つて後退するのに伴つて自己の弾発力
によつて下向きに変形し、やがて凸部31を乗り
越えると、上記弾発力によつて凸部31から外
れ、閉操作子26の支承面28に瞬間的に乗り、
係止片25の自由端部は上記凸部31の垂直面3
2と対向する状態になる。この状態では開操作片
21から手を離しても該係止片25が凸部31に
係止されているので、弁口6は開いた状態を確実
に維持し、エアモータ2は作動を持続する。 An air supply hose (not shown) connected to the discharge port of the compressor is connected in advance to the valve chamber 7 of the polisher, and the compressor is driven. When using the polisher, the opening operator 21 is pushed in the direction of the arrow in FIG. 1 against the elastic force of the spring 17. Opening operator 21
When the valve is pushed in in this manner, the valve 14, which had originally closed the valve port 6 by the spring 17, moves back against the compressed air and opens the valve port 6, causing the valve chamber 7, the valve port 6, and the hose 12 to open. The air motor 2 is driven by supplying air through the air motor 2. When the opening operator 21 retreats, the tip of the locking piece 25 deforms downward by its own elastic force as it retreats along the inclined surface 29 of the closing operator 26, and eventually becomes convex. When it gets over the portion 31, it detaches from the convex portion 31 due to the elastic force and momentarily rides on the support surface 28 of the closing operator 26.
The free end of the locking piece 25 is connected to the vertical surface 3 of the convex portion 31.
It will be facing 2. In this state, even if the opening operation piece 21 is released, the locking piece 25 is locked to the protrusion 31, so the valve port 6 is reliably maintained in the open state, and the air motor 2 continues to operate. .
次に、エアーモータ2を停止するには、閉操作
子26をスプリング33に抗して第3図矢印方向
に閉操作子26が押し込まれると、その傾斜面2
9によつて係止片25の先端は押し上げられ、こ
の係止片の先端が凸部31の頂部より上昇する
と、言い換えると凸部31が長孔30の中に没
し、係止片25を解放すると、開操作子21はス
プリング17の弾発力により、第1図反矢印方向
に動き、原位置に復帰して弁14を原状に復し、
弁口6を閉じる。次いで閉操作子26から手を離
すと、同操作子はスプリング33によつて同じく
第1図反矢印方向に移動し、第3図の状態即ち、
起動前の状態に復する。 Next, to stop the air motor 2, when the closing operator 26 is pushed in the direction of the arrow in FIG. 3 against the spring 33, the inclined surface 2
9 pushes up the tip of the locking piece 25, and when the tip of the locking piece rises above the top of the convex part 31, in other words, the convex part 31 sinks into the elongated hole 30, and the locking piece 25 is pushed up. When released, the opening operator 21 moves in the opposite direction of the arrow in FIG. 1 due to the elastic force of the spring 17, returns to its original position, and restores the valve 14 to its original state.
Close the valve port 6. Next, when you release your hand from the closing operation element 26, the same operation element is moved by the spring 33 in the opposite direction of the arrow in FIG. 1 to the state shown in FIG.
Return to the state before startup.
以上、実施例の説明で明らかのように、この考
案は、空気作動式工具の駆動源への送気路に、同
送気路を開閉する弁を軸心方向に進退可能に設け
ると共に、該弁の開操作子と閉操作子を同方向に
進退可能に、かつ、上下2枚に設け、開閉両操作
子の相対する面部には、一方に変形しにくい斜面
を、他方には弁の閉操作子の非操作時に自由端部
が同斜面の上部に当接し、操作時に同斜面下部支
承面上に当接する弾性係止片を設け、更に定位置
には上記支承面上に当接時の弾性係止片の原状復
帰を拘束する突起を上記斜面に穿設した長孔に対
向させて同孔に対して上端部を出没自在に固定し
たものであるから、1個の起動スイツチで起動と
停止の操作を行なう従来の工具に比べると、起動
は開操作子の操作によつて、停止の閉操作子の操
作によつてそれぞれ別個に操作を行なうことがで
きる。従つてエアーモータの操作がしやすく、開
操作子は一旦押し込まればその状態を持続し、閉
操作子は押し込んだ手の力を緩めれば自動復帰が
適確に行なわれ、弁口の開放、閉鎖を確実なもの
とすることができる。また、使用に際して開操作
子が後退していればその状態は即、起動状態であ
ることを知ることが出来るので誤操作を防止し危
険がない。 As is clear from the description of the embodiments above, this invention provides a valve that opens and closes the air passage to the drive source of an air-operated tool so as to be movable in the axial direction. The opening and closing controls of the valve are movable in the same direction and are provided in two pieces, upper and lower, and the facing surfaces of both the open and close controls have slopes that are difficult to deform on one side, and slopes on the other side that prevent the valve from closing. An elastic locking piece is provided, the free end of which comes into contact with the upper part of the slope when the operator is not operated, and which contacts the lower support surface of the slope when the operator is in operation. Since the protrusion that restrains the elastic locking piece from returning to its original state is opposed to the elongated hole drilled in the slope, and the upper end is fixed to the hole so as to be freely retractable, it can be activated with a single activation switch. Compared to conventional tools that perform a stop operation, the start operation can be performed separately by operating an open operator, and the stop operation can be performed separately by operating a close operator. Therefore, the air motor is easy to operate; once the open button is pushed in, it remains in that state, and the close button automatically returns when you loosen the pressure of your hand, allowing the valve port to open. , closure can be ensured. In addition, if the opening operator is retracted during use, it is immediately known that the opening operator is in the activated state, so that erroneous operation is prevented and there is no danger.
図面は本考案の1実施例を示したもので、第1
図は全体の縦断側面図、第2図は弁を開弁状態に
したときの要部の縦断側面図、第3図は弁を開弁
状態から閉弁状態に戻した瞬間の要部の縦断側面
図、第4図は開操作子の平面図、第5図は第4図
A−A線上切断側面図、第6図は閉操作子の平面
図、第7図は第6図B−B線上切断側面図であ
る。
14はハウジング、6は弁口、7は弁室、14
は弁、21は開操作子、25は弾性係止片、26
は閉操作子、28は支承面、29は傾斜操作部、
30は長孔、31は凸部、17,33はスプリン
グ。
The drawing shows one embodiment of the present invention.
The figure is a vertical side view of the entire structure, Figure 2 is a vertical side view of the main parts when the valve is opened, and Figure 3 is a vertical cross-section of the main parts at the moment the valve is returned from the open state to the closed state. A side view, FIG. 4 is a plan view of the opening operator, FIG. 5 is a side view cut along the line A-A in FIG. 4, FIG. 6 is a plan view of the closing operator, and FIG. 7 is a plan view of the opening operator. FIG. 14 is a housing, 6 is a valve port, 7 is a valve chamber, 14
is a valve, 21 is an opening operator, 25 is an elastic locking piece, 26
28 is a support surface, 29 is a tilting operation part,
30 is a long hole, 31 is a convex portion, and 17 and 33 are springs.
Claims (1)
路を開閉する弁を軸心方向に進退可能に設けると
共に、該弁の開操作子と閉操作子を同方向に進退
可能に、かつ、上下2段に設け、開閉両操作子の
相対する面部には、一方に変形しにくい斜面を、
他方には弁の閉操作子の非操作時の自由端部が同
斜面に撓曲状態で当接し、操作時に同斜面の下部
支承面上に当接する弾性係止片を設け、更に、定
位置には、上記支承面上に当接時の弾性係止片の
原状復帰を拘束する突起を上記斜面に穿設した長
孔に対向させて同孔に対して先端部を出没自在に
固定した空気作動式工具の弁操作装置。 A valve for opening and closing the air supply path to the drive source of the air-operated tool is provided so that the valve can move forward and backward in the axial direction, and an opening operator and a closing operator of the valve can move forward and backward in the same direction. , and are provided in two stages, upper and lower, and the opposing surfaces of both the opening and closing controls have slopes that are difficult to deform to one side.
On the other hand, an elastic locking piece is provided, which allows the free end of the valve closing operator to contact the slope in a bent state when the valve is not operated, and to contact the lower support surface of the slope when the valve is operated. In this case, a protrusion that restrains the elastic locking piece from returning to its original state when it comes into contact with the support surface is opposed to a long hole drilled in the slope, and the tip of the air locking piece is fixed to the hole so as to be freely retractable. Valve operating device for actuated tools.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10908183U JPS6017943U (en) | 1983-07-15 | 1983-07-15 | Air operated tool valve operating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10908183U JPS6017943U (en) | 1983-07-15 | 1983-07-15 | Air operated tool valve operating device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6017943U JPS6017943U (en) | 1985-02-06 |
JPS6119904Y2 true JPS6119904Y2 (en) | 1986-06-14 |
Family
ID=30254244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10908183U Granted JPS6017943U (en) | 1983-07-15 | 1983-07-15 | Air operated tool valve operating device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6017943U (en) |
-
1983
- 1983-07-15 JP JP10908183U patent/JPS6017943U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6017943U (en) | 1985-02-06 |
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