JP5610998B2 - Sheilagan - Google Patents

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JP5610998B2
JP5610998B2 JP2010252022A JP2010252022A JP5610998B2 JP 5610998 B2 JP5610998 B2 JP 5610998B2 JP 2010252022 A JP2010252022 A JP 2010252022A JP 2010252022 A JP2010252022 A JP 2010252022A JP 5610998 B2 JP5610998 B2 JP 5610998B2
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valve
grip
shaft
operating shaft
valve mechanism
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JP2012101182A (en
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佐藤 和彦
和彦 佐藤
昭次 松山
昭次 松山
和浩 石山
和浩 石山
吉三 前野
吉三 前野
博他 工藤
博他 工藤
純一 村尾
純一 村尾
昌一 小田島
昌一 小田島
佐々木 亨
亨 佐々木
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Toyota Motor East Japan Inc
MTEX Matsumura Corp
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Toyota Motor East Japan Inc
MTEX Matsumura Corp
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本発明は、塗布剤または充填剤等のシーラを吐出筒の先端の吐出口から吐出させるシーラガンについての改良に関する。   The present invention relates to an improvement in a sealer gun that discharges a sealer such as a coating agent or a filler from a discharge port at the tip of a discharge cylinder.

さらに具体的にいえば、筒状に形成して基端側に把持グリップを具備せしめたボディの先端部に、先端側を小径のノズルに形成した吐出筒を接続し、ボディの内部には、シーラを吐出筒に導く誘導路と、その誘導路の吐出筒への連通を断・接する弁機構とを設け、その弁機構を、開弁・閉弁に作動させる弁軸を、把持グリップに並列させてボディに軸支した握りレバーに対し、該レバーの握り込みで開弁位置に動かし、握り込みの解放による復元回動で閉弁位置に動かすよう連繋して、握りレバーの握り込みでシーラが吐出し、握りレバーの握り込みの解放によりシーラの吐出が停止するようにしたシーラガンについての改良に関するものである。   More specifically, a discharge cylinder formed with a small diameter nozzle on the distal end side is connected to the distal end portion of the body that is formed in a cylindrical shape and has a grip grip on the proximal end side, and inside the body, A guide path for guiding the sealer to the discharge cylinder and a valve mechanism for disconnecting and contacting the guide path to the discharge cylinder are provided, and the valve shaft for operating the valve mechanism to open and close is parallel to the gripping grip. The grip lever that is pivotally supported on the body is moved to the valve open position by grasping the lever, and moved to the valve closed position by restoring rotation by releasing the grip, and the seal lever is grasped by grasping the grip lever. The present invention relates to an improvement in a sealer gun that discharges and releases the sealer by releasing the grip lever.

塗布剤・充填剤などを液材料としたシーラを、構造体の隙間・間隙に、塗布・充填する作業に用いられるシーラガンは、通常、図1に示しているように、基端側に把持グリップ1を有する中空筒体の銃身状に形成したボディaの先端部に、先端側をノズル状に形成した吐出筒2を接続させて設け、ボディaの内部には、供給管3から供給されてくるシーラを先端側の吐出筒2に導く誘導路uと、その誘導路uの吐出筒2に対する連通を断・接する弁機構4と、その弁機構4の弁軸42を、弁口40と弁座口41とが接続連通した開弁位置と弁口40が閉鎖された閉弁位置とに切り替え作動させる作動シャフト7と、を設け、その作動シャフト7には弁軸42を閉弁位置に動かす方向に付勢する復元バネ50を作用させ、かつ、その作動シャフト7と把持グリップ1の前面に並列させて軸支した握りレバー5とを、握りレバー5の握り込みで作動シャフト7が弁機構4を開弁とする方向に動かし、握り込みの解放で、復元バネ50により作動シャフト7が弁機構4の弁軸42を閉弁とする方向に動くよう、連繋機構Mを介し連繋した構成としてあって、これにより、握りレバー5を把持グリップ1とともに握り込むと、弁機構4が開弁して供給管3から供給されてくるシーラが、誘導路uを経て吐出筒2に導かれて、その吐出筒2の筒先の吐出口20から吐出され、握りレバー5の握り込みを放すと、弁機構4が閉弁に作動して、シーラの吐出を停止するようにしている。   As shown in FIG. 1, a sealer gun used for applying and filling a sealer made of a liquid material such as a coating agent / filler into a gap / gap of a structure body usually has a grip grip on the base end side. 1 is provided with a discharge cylinder 2 having a tip formed in the shape of a nozzle connected to the tip of a barrel a formed of a hollow cylinder having a barrel 1, and is supplied from a supply pipe 3 to the inside of the body a. A guide path u for guiding the coming sealer to the discharge cylinder 2 on the tip side, a valve mechanism 4 for disconnecting and contacting the guide cylinder u with respect to the discharge cylinder 2, a valve shaft 42 of the valve mechanism 4, a valve port 40 and a valve An operating shaft 7 is provided for switching between a valve open position where the seat port 41 is connected and communicated and a valve closed position where the valve port 40 is closed, and the valve shaft 42 is moved to the valve closed position. Acting a restoring spring 50 biased in the direction and operating shuffling thereof 7 and the grip lever 5 pivotally supported in parallel with the front surface of the grip grip 1 are moved in the direction in which the operating shaft 7 opens the valve mechanism 4 when the grip lever 5 is gripped, and restored by releasing the grip. The operating shaft 7 is connected by the connecting mechanism M so that the operating shaft 7 moves in the direction in which the valve shaft 42 of the valve mechanism 4 is closed by the spring 50. Thus, when the grip lever 5 is gripped together with the grip grip 1. The sealer supplied from the supply pipe 3 when the valve mechanism 4 is opened is guided to the discharge cylinder 2 through the guide path u, and is discharged from the discharge port 20 at the end of the discharge cylinder 2. When the handle is released, the valve mechanism 4 is closed to stop the discharge of the sealer.

この握りレバー5の回動作動と弁機構4の開弁・閉弁の作動とを連動・連繋させる連繋機構Mは、通常、前端側に弁機構4の弁軸42を一体または一体的に設けて前後方向にスライド自在に収蔵せしめる作動シャフト7の周面に、係止部材(図示省略)を設けて、この係止部材とボディaの内周側に設けた係止部(図示省略)との間に、作動シャフト7を先端側に設けた弁軸42が閉弁位置に向かう方向に押し出すように作用する復元バネ50を渡架装設し、握りレバー5には、それの回動により前後方向に作動する突起状の係合突起(図示省略)を設けて、この係合突起を作動シャフト7に設けた係止部材に対し前後方向に係合するように係合連繋させることで構成してある。そしてこれにより、握りレバー5を把持グリップ1とともに握り込んで把持グリップ1に閉じ合わせる方向に回動させると、作動シャフト7が復元バネ50を押し縮めてそのバネ圧を増大させながら前後の一方向(図1の例のものでは後方)に動いて、弁軸42を開弁位置に動かし、握りレバー5の握り込みを開放すると、作動シャフト7が増大した復元バネ50のバネ圧で前後の他方向(図1の例では前方)にスライドして弁軸42を閉弁位置に動かし、閉弁に作動させ、同時にその作動シャフト7のスライド作動で握りレバー5を、把持グリップ1から離れた開放位置に向け復元回動させるようにしてある。即ち、握りレバー5を復元バネ50の付勢に抗して握り込むと、弁座口41を装備せる弁軸42が、弁口40を開放する位置に動いて弁機構4を開弁し、握りレバー5の握り込みを解放すると、該握りレバー5が復元バネ50のバネ圧で開放位置に向け回動すると、弁座口41を装備する弁軸42が弁口40を閉塞する位置に動いて弁機構4を閉弁するようにしてある。   The linkage mechanism M that links and links the rotation operation of the grip lever 5 and the valve opening / closing operation of the valve mechanism 4 is usually provided integrally or integrally with the valve shaft 42 of the valve mechanism 4 on the front end side. A locking member (not shown) is provided on the peripheral surface of the operating shaft 7 slidably stored in the front-rear direction, and a locking portion (not shown) provided on the inner peripheral side of the locking member and the body a In the meantime, a restoring spring 50 is installed so as to push the valve shaft 42 provided with the operating shaft 7 on the tip side in the direction toward the valve closing position, and the grip lever 5 is rotated by its rotation. A projection-like engagement projection (not shown) that operates in the front-rear direction is provided, and the engagement projection is engaged and connected to a locking member provided on the operation shaft 7 so as to engage in the front-rear direction. It is. As a result, when the grip lever 5 is gripped together with the grip grip 1 and rotated in a direction to be closed to the grip grip 1, the operating shaft 7 pushes and retracts the restoring spring 50 to increase the spring pressure. When the valve shaft 42 is moved to the valve open position and the grip lever 5 is released, the operating shaft 7 is increased by the spring pressure of the restoring spring 50 increased. It slides in the direction (forward in the example of FIG. 1), moves the valve shaft 42 to the valve closing position, and operates to close the valve. At the same time, the grip lever 5 is released away from the grip grip 1 by the slide operation of the operation shaft 7. The restoring rotation is made toward the position. That is, when the grip lever 5 is gripped against the bias of the restoring spring 50, the valve shaft 42 equipped with the valve seat 41 moves to a position where the valve port 40 is opened to open the valve mechanism 4, When the grip lever 5 is released, when the grip lever 5 is rotated toward the open position by the spring pressure of the restoring spring 50, the valve shaft 42 equipped with the valve seat port 41 moves to a position where the valve port 40 is closed. Thus, the valve mechanism 4 is closed.

このように、把持グリップ1に並設した握りレバー5を、把持グリップ1とともに握り込むと、シーラの吐出をオン・オフ制御する弁機構4が開弁に作動してシーラを吐出筒2の筒先の吐出口20から吐出させ、握りレバー5の握り込みを解放すると、握りレバー5が復元バネ50で把持グリップ1から離れた開放位置に復元回動し、同時に弁機構4が閉弁作動を行ってシーラの吐出を停止させるように構成しているシーラガンAには、該シーラガンを用いて行うシーラの塗布・充填の作業中に、シーラガンを把持する作業者の手に生ずる疲労に対処するための、握りレバー5の握りなおしが厄介で、作業性を悪くしている問題がある。   In this way, when the grip lever 5 arranged in parallel with the grip 1 is gripped together with the grip 1, the valve mechanism 4 for controlling on / off of the discharge of the sealer operates to open the valve, and the sealer is connected to the cylinder tip of the discharge cylinder 2. When the grip lever 5 is released from the discharge port 20 and the grip lever 5 is released, the grip lever 5 is restored to the open position away from the grip grip 1 by the restoring spring 50, and the valve mechanism 4 is closed at the same time. The sealer gun A configured to stop the discharge of the sealer is used to cope with fatigue generated in the hand of the operator holding the sealer gun during the application / filling of the sealer using the sealer gun. There is a problem that the re-holding of the grip lever 5 is troublesome and the workability is deteriorated.

これは、シーラガンAの握りレバー5を把持グリップ1とともに握り込んで、弁機構4を開弁させ、これによりシーラが吐出口20から吐出してくる状態に保持してシーラの塗布作業を行う際、握りレバー5の握り込みは、握りレバー5の回動範囲のエンドの位置まで固く握り込んでおかなければならない。握りを緩めると復元バネ50により握りレバー5が開放側に復元回動して、弁機構4が閉弁側に作動するようになって、吐出口20からのシーラの吐出を停止させ、作業を乱すようになるからである。このため、固く握り続ける手には疲労が出てくる。この疲労の対処には、握りレバー5を握り込んだ掌の握り込みを一度緩めて握りなおす操作を行うが、このとき、握りの緩めにより握りレバー5が復元バネ50により復元回動して弁機構4を閉弁側に作動させるようになって、シーラの吐出を停止させるようになる。これを避けるため、握りなおしの操作は、他方の手を握りレバー5に添えて復元回動しないように押さえておくことが必要となる。しかし、他方の手で握りレバー5を押さえる操作は、握り込んでいる掌の指から外れている部位を押さえることで、むずかしく、ミスを生ぜしめ易い。このことから、疲労に対処のための握りなおしの操作を厄介なものとしている。   This is because when the gripper lever 5 of the sealer gun A is grasped together with the gripping grip 1, the valve mechanism 4 is opened, and thus the sealer is discharged from the discharge port 20 and the sealer is applied. The grip lever 5 must be firmly gripped to the end of the rotation range of the grip lever 5. When the grip is loosened, the gripping lever 5 is restored and rotated to the open side by the restoring spring 50, and the valve mechanism 4 is actuated to the closed side to stop the discharge of the sealer from the discharge port 20 and perform the work. It will be disturbed. For this reason, fatigue will appear in the hand that keeps gripping firmly. In order to deal with this fatigue, an operation of once loosening the grip of the palm that has gripped the grip lever 5 and re-clipping is performed. At this time, the grip lever 5 is restored and rotated by the restoring spring 50 due to the loosening of the grip. The mechanism 4 is operated to the valve closing side, and the discharge of the sealer is stopped. In order to avoid this, the re-gripping operation requires that the other hand be attached to the grasping lever 5 so as not to be restored and rotated. However, the operation of pressing the grip lever 5 with the other hand is difficult and is likely to cause a mistake by pressing a portion that is disengaged from the finger of the palm that is gripped. For this reason, the operation of re-handling to cope with fatigue is troublesome.

また、このシーラガンAには、シーラの吐出を停止させたときに、吐出筒2の吐出口20からつらら状に垂れ下がるように生成してくるシーラの液だれを、シーラの吐出を停止させる度ごとに拭い取って廃棄しなければならないことで、作業性を悪くしている別の問題がある。   In addition, the sealer gun A is adapted to prevent the sealer from dripping from the discharge port 20 of the discharge cylinder 2 when the discharge of the sealer is stopped. There is another problem that makes workability worse by having to wipe off and discard.

これは、シーラガンAの、握りレバー5の握り込みを放して、シーラの吐出を停止させたとき、弁機構4より下流側においてシーラガンAの器内に残留したシーラが、供給管3から導入されるときに与えられている圧力により、吐出筒2の筒先の吐出口20から押し出されてくることで、その押し出されるシーラが、吐出筒2の筒先の吐出口20から離れずに、その吐出口20の周辺に付着して、つらら状に垂れ下がる液だれを生成するようになり、そのシーラの液だれが、放置しておくと、外気に曝されることで、次に塗布作業・充填作業を行うときには、正常に使用できない性状のシーラに変性する性状のものであることから、シーラの吐出を停止させたときに、その直後に、吐出筒2の先端から拭き取って廃棄する処理を行っているということである。   This is because when the release of the sealer is stopped by releasing the gripper lever 5 of the sealer gun A, the sealer remaining in the container of the sealer gun A is introduced from the supply pipe 3 on the downstream side of the valve mechanism 4. The sealer that is pushed out is not separated from the discharge port 20 at the tip of the discharge cylinder 2 by being pushed out from the discharge port 20 at the tip of the discharge tube 2 by the pressure applied when the discharge tube 2 is discharged. The liquid that adheres to the periphery of 20 and drips in an icicle shape is generated. If the liquid of the sealer is left unattended, it is exposed to the outside air, so that the application work and filling work can be performed next. When performing, since it is a property that is denatured into a sealer that cannot be used normally, immediately after the discharge of the sealer is stopped, the tip of the discharge cylinder 2 is wiped away and discarded. When Is Ukoto.

シーラの吐出を停止したときに生成されてくる液だれについての問題の対策としては、生じた液だれを吸引・除去して消失せしめる液だれ防止装置Bを、シーラガンAのボディaに組み付け装備せしめる手段が開発されている。   As a countermeasure against the problem of dripping generated when the discharge of the sealer is stopped, the dripping prevention device B that sucks and removes the generated dripping and disappears is assembled to the body a of the sealer gun A. Means are being developed.

このシーラガンAのボディaに組み付け装備せしめる液だれ防止装置Bは、これを組み付けた図2に示すシーラガンAの例について具体的に説明すれば、シーラガンAの本体を構成するボディaに、内部空間をシリンダ状に形成したケーシング60と、そのケーシング60の後面側から摺動自在に嵌合するピストン61と、そのケーシング60の前端側に装着する吸引ブロック62と、その吸引ブロック62に設けた吸引・吐出口63に接続する吸引・吐出パイプ64とにより、ピストン61のケーシング60に対する出入作動で、吸引ブロック62の後壁面とピストン61の前端面との間に形成される拡縮するポンプ室pが拡縮して吸引・吐出口63を介し吸引と吐出を行うポンプ装置Pを構成し、このポンプ装置Pを、シーラガンAのボディa内の前端側で、ボディa内に収蔵してある作動シャフト7の前端側の弁機構4より前方に位置する部位に組み込み、そのポンプ装置Pのピストン61を、前記作動シャフト7の前端側に設けた弁機構4の弁軸42の前端側に一体的に連続させて設けることで、握りレバー5の握り込みにより、握りレバー5に設けた係合突起51と作動シャフト7に設けたボビン状の係止部材70とで構成している連繋機構Mを介し、作動シャフト7と弁軸42とを前方に動かし、弁機構4を開弁作動させてシーラの吐出が行われるようにしたときに、同時にピストン61がケーシング60内に押し込まれて拡縮するポンプ室pの内容積を押し縮める吐出作動を行い、握りレバー5の握り込みを解放して、弁機構4を閉弁作動させてシーラの吐出を停止させたときには、ピストン61がケーシング60から引き出されてポンプ室pの内容積を拡張させる吸引作動を行うように、このポンプ装置Pの作動と、握りレバー5の回動作動とを連動・連繋させておく。   The dripping prevention device B assembled and mounted on the body a of the sealer gun A will be described in detail with respect to the example of the sealer gun A shown in FIG. Is formed in a cylindrical shape, a piston 61 slidably fitted from the rear surface side of the casing 60, a suction block 62 attached to the front end side of the casing 60, and a suction provided in the suction block 62 An expansion / contraction pump chamber p formed between the rear wall surface of the suction block 62 and the front end surface of the piston 61 by the operation of moving the piston 61 into and out of the casing 60 by the suction / discharge pipe 64 connected to the discharge port 63. A pump device P that expands and contracts and sucks and discharges through the suction / discharge port 63 is configured. The piston 61 of the pump device P is connected to the front end of the operating shaft 7 on the front end side of the operating shaft 7 stored in the body a. Provided on the front end side of the valve shaft 42 of the valve mechanism 4 provided on the side and continuously on the engaging shaft 51 provided on the grip lever 5 and the operating shaft 7 by gripping the grip lever 5. The operating shaft 7 and the valve shaft 42 are moved forward through the linkage mechanism M constituted by the bobbin-shaped locking member 70, and the valve mechanism 4 is opened to discharge the sealer. At the same time, the piston 61 is pushed into the casing 60 to perform a discharge operation that pushes and shrinks the internal volume of the pump chamber p, releases the grip lever 5 and closes the valve mechanism 4. Stop discharge of sealer In this case, the operation of the pump device P and the rotation operation of the grip lever 5 are linked and linked so that the piston 61 is pulled out of the casing 60 and performs a suction operation for expanding the internal volume of the pump chamber p. Keep it.

このポンプ装置Pの作動をさらに具体的に説明すれば、握りレバー5を握り込んで、作動シャフト7を前後の一方向(この図2に示す例では前方)に動かすと、作動シャフト7の前端側に設けた弁機構4の弁軸42が前方に動いて、その弁軸42に設けた弁座口41をボディa内周面に設けた弁口40に対向させて開弁の状態とし、同時に弁軸42に連続させて設けたポンプ装置Pのピストン61がケーシング60内に押し込まれて、ポンプ室pを押し縮めて吐出作動を行い、握りレバー5の握り込みを解放すると、復元バネ50により作動シャフト7が後方に動くことで、連繋機構Mを介し握りレバー5が、把持グリップ1から離れた開放位置に復元回動し、同時に、復元バネ50による作動シャフト7の後方移動により、弁機構4の弁軸42が後方に動いて、弁軸42に設けてある弁座口41を弁口40から離れた位置に動かし、弁機構4を閉弁に作動させ、かつ、弁軸42と連続するポンプ装置Pのピストン61を後方移動させ、ケーシング60から引き出すようにしてポンプ室pを拡張させ吸引作動を行わすようにしてある。   The operation of the pump device P will be described in more detail. When the grip lever 5 is grasped and the operating shaft 7 is moved in one direction (frontward in the example shown in FIG. 2), the front end of the operating shaft 7 is obtained. The valve shaft 42 of the valve mechanism 4 provided on the side moves forward, the valve seat port 41 provided on the valve shaft 42 is opposed to the valve port 40 provided on the inner peripheral surface of the body a, and the valve is opened. At the same time, when the piston 61 of the pump device P provided continuously with the valve shaft 42 is pushed into the casing 60, the pump chamber p is compressed to perform the discharge operation, and when the grip lever 5 is released, the restoring spring 50 is released. When the operating shaft 7 is moved rearward by this, the gripping lever 5 is restored to the open position away from the gripping grip 1 via the linkage mechanism M, and at the same time, the backward movement of the operating shaft 7 by the restoring spring 50 causes the valve Valve shaft of mechanism 4 2 moves rearward, moves the valve seat 41 provided on the valve shaft 42 to a position away from the valve port 40, operates the valve mechanism 4 to close the valve, and continues to the valve shaft 42. The piston 61 is moved rearward and pulled out from the casing 60 to expand the pump chamber p and perform a suction operation.

そして、このポンプ装置Pのポンプ室pに連通する吸引・吐出パイプ64は、シーラガンAのボディaの先端側に接続させて設ける吐出筒2の内部に配位して、該パイプ64の先端開口を吐出筒2の筒先の吐出口20の近傍位置に臨ませておき、これにより、シーラの塗布作業において、握りレバー5の握り込みを放して、弁機構4を閉弁させてシーラの吐出を停止したときに、ポンプ装置Pが吸引作動を行って、シーラガンAの吐出筒2の筒先付近に生じてくるシーラの液だれを、吸引・吐出パイプ64が吐出筒2の吐出口20から吐出筒2内に吸引してポンプ装置Pのポンプ室p内に引き込ませ、吐出筒2の吐出口20から垂れ下がるように生じてくるシーラの液だれSを消失せしめるシーラガンAの液だれ防止装置Bを構成するようにしている。   The suction / discharge pipe 64 communicating with the pump chamber p of the pump device P is arranged inside the discharge cylinder 2 connected to the tip end side of the body a of the sealer gun A, and the tip end of the pipe 64 is opened. In the vicinity of the discharge port 20 at the end of the discharge cylinder 2, thereby releasing the grip lever 5 and closing the valve mechanism 4 in the application operation of the sealer to discharge the sealer. When stopping, the pump device P performs a suction operation, and the suction / discharge pipe 64 is discharged from the discharge port 20 of the discharge cylinder 2 through the discharge of the sealer generated near the cylinder tip of the discharge cylinder 2 of the sealer gun A. 2 is constructed so as to be drawn into the pump chamber p of the pump device P and sucked into the pump chamber P of the pumping device P, and the dripping prevention device B of the sealer gun A that eliminates the dripping S of the sealer that hangs down from the discharge port 20 of the discharge cylinder 2 Like To have.

ところで、このように、液だれ防止装置Bを組み付けたシーラガンAは、握りレバー5を握り込んで、弁機構4を開弁させてシーラを吐出筒2の筒先の吐出口20から吐出させて行う塗布・充填の作業中において、握りレバー5の握り込みを緩めると、弁機構4が閉弁側に作動し、かつ、液だれ防止装置Bのポンプ装置Pが吸引作動を行うようになって、吐出口20からのシーラの吐出状態を乱すようになるから、前述の図1に示しているシーラガンAと同様に、弁機構4を開弁位置に保持せしめるようたえず握りレバー5を固く握り込んでおかなければならない。そして、これにより生じてくる握りレバー5を握る掌の疲れの対処のための、握りなおしの操作を、他方の手を添えて、握りレバー5が回動しないように抑えた状態で行うことから、疲れが生じたときの握りなおしの操作を厄介なものとして、作業性を悪くしている。   By the way, the sealer gun A assembled with the dripping prevention device B as described above is performed by grasping the grip lever 5, opening the valve mechanism 4, and discharging the sealer from the discharge port 20 at the end of the discharge cylinder 2. When the gripping lever 5 is loosened during the application / filling operation, the valve mechanism 4 operates to the valve closing side, and the pump device P of the dripping prevention device B performs a suction operation. Since the discharge state of the sealer from the discharge port 20 is disturbed, like the sealer gun A shown in FIG. 1 described above, the grip lever 5 is constantly held firmly so as to hold the valve mechanism 4 in the valve open position. I have to leave. Then, the re-handling operation for coping with the fatigue of the palm gripping the grip lever 5 caused by this is performed with the other hand attached and restrained so that the grip lever 5 does not rotate. The operation of re-gripping when fatigue occurs is troublesome and the workability is deteriorated.

本発明において解決しようとする課題は、握りレバー5の握り込みにより弁機構4が開弁してシーラが吐出筒2の筒先から吐出し、握り込みの解放により弁機構4が閉弁してシーラの吐出が停止するように構成してあるシーラガンにおいて、握りレバー5を握り込んだ状態で行うシーラの塗布作業中における握り込んだ掌の疲れの対処のための握りなおしの操作が、他方の手を添えずに、シーラの吐出に乱れを生ぜしめることなく手軽に行えるようにする手段を構成する点にある。   The problem to be solved in the present invention is that the valve mechanism 4 is opened when the grip lever 5 is grasped and the sealer discharges from the tip of the discharge cylinder 2, and the valve mechanism 4 is closed and the sealer is released when the grasp is released. In the sealer gun configured to stop the discharge of the palm, the re-handling operation to deal with fatigue of the gripped palm during the application of the sealer performed with the grip lever 5 held is performed by the other hand. It is in the point which comprises the means which can carry out easily without causing disturbance in discharge of a sealer without adding.

本発明においては、上述の課題を解決するための手段として、筒状に形成して基端側に把持グリップ1を具備せしめ、先端側には筒先に吐出口20を開設した吐出筒2を接続して設けたボディaの内部に、供給管3から導入されるシーラを吐出筒2に導く誘導路uと、その誘導路uの前記吐出筒2に対する連通を断・接する弁機構4と、を収蔵せしめるとともに、前記弁機構4の弁軸42を開弁位置と閉弁位置とに切り替え作動させる作動シャフト7を、軸方向にスライド自在に収蔵せしめ、その作動シャフト7には、前端側に一体または一体的に連結せしめて設けた弁軸42が閉弁位置を占める側に動く方向に該作動シャフト7を押し出すよう付勢する復元バネ50を連繋し、この作動シャフト7と、前記把持グリップ1と一緒に握り込めるようその把持グリップ1の前面側に軸支せる握りレバー5とを、握りレバー5の握り込みにより、作動シャフト7が弁機構4の弁軸42を開弁位置とする側に動き、握りレバー5の握り込みの解放により、作動シャフト7が復元バネ50のバネ圧で弁機構4の弁軸42を閉弁位置とする側に動くよう連繋機構Mを介して連繋して、握りレバー5の握り込みにより弁機構4が開弁に作動してシーラを吐出筒2の筒先から吐出し、握りレバー5の握り込みの解放により弁機構4が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
スライド作動により弁機構4を開弁・閉弁に作動さす作動シャフト7と連繋する握りレバー5に、作動シャフト7を閉弁とする側に移動させるよう付勢する復元バネ50と、その復元バネ50よりバネ圧を強く設定したバネDとを連繋させて設けて、握りレバー5の握り込みにより作動シャフト7をスライドさせて弁機構4を開弁させるときの握りレバー5の回動作動を、復元バネ50を圧縮させながら作動シャフト7を開弁位置に動かす前半側の回動作動と、作動シャフト7を復元バネ50により開弁位置に保持せしめたまま、復元バネ50より強く設定したバネDを圧縮していく後半側の作動との、2段の作動とし、握りレバー5を握りなおす際の握り込みの緩め回動が、この後半側の回動範囲内において弁機構4を開弁に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
を提起し、また、これに併せて、
筒状に形成して基端側に把持グリップ1を具備せしめ、先端側には筒先に吐出口20を開設した吐出筒2を接続して設けたボディaの内部に、供給管3から導入されるシーラを吐出筒2に導く誘導路uと、その誘導路uの前記吐出筒2に対する連通を断・接する弁機構4と、を収蔵せしめるとともに、前記弁機構4の弁軸42を開弁位置と閉弁位置とに切り替え作動させる作動シャフト7を、軸方向にスライド自在に収蔵せしめ、その作動シャフト7には、前端側に一体または一体的に連結せしめて設けた弁軸42が閉弁位置を占める側に動く方向に該作動シャフト7を押し出すよう付勢する復元バネ50を連繋し、この作動シャフト7と、前記把持グリップ1と一緒に握り込めるようその把持グリップ1の前面側に軸支せる握りレバー5とを、握りレバー5の握り込みにより、作動シャフト7が弁機構4の弁軸42を開弁位置とする側に動き、握りレバー5の握り込みの解放により、作動シャフト7が復元バネ50のバネ圧で弁機構4の弁軸42を閉弁位置とする側に動くよう連繋機構Mを介して連繋して、握りレバー5の握り込みにより弁機構4が開弁に作動してシーラを吐出筒2の筒先から吐出し、握りレバー5の握り込みの解放により弁機構4が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディa内には、握りレバー5の握り込み作動による弁機構4の開弁作動と握りレバー5の握り込みの解放作動による弁機構4の閉弁作動とに、それぞれ連動して吐出作動と吸引作動とを行う液だれ防止装置Bのポンプ装置Pを組み込み収蔵せしめ、そのポンプ装置Pの拡縮するポンプ室pに接続せる吸引・吐出パイプ64の先端開口を、ボディaの先端側に装設せる吐出筒2内に開口せしめ、かつ、スライド作動により弁機構4を閉弁・開弁に作動さす作動シャフト7と連繋する握りレバー5に、作動シャフト7を閉弁とする側に移動さすよう付勢する復元バネ50と、その復元バネ50よりバネ圧を強く設定したバネDとを連繋させて設け、握りレバー5の握り込みにより作動シャフト7をスライドさせて弁機構4を開弁させるときの握りレバー5の回動作動を、復元バネ50を圧縮させながら作動シャフト7を開弁位置に動かす前半側の作動と、作動シャフト7を復元バネ50により開弁位置に保持せしめたまま、復元バネ50よりバネ圧を強く設定したバネDを圧縮していく後半側の作動との、2段に作動させ、握りレバー5を握りなおす際の握り込みの緩め回動が、後半側の回動範囲内において、弁機構4を開弁に保持せしめ、液だれ防止装置Bのポンプ装置Pを吐出作動状態に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
を提起し、また、これに併せて、
筒状に形成して基端側に把持グリップ1を具備せしめ、先端側には筒先に吐出口20を開設した吐出筒2を接続して設けたボディaの内部に、供給管3から導入されるシーラを吐出筒2に導く誘導路uと、その誘導路uの前記吐出筒2に対する連通を弁軸42の作動により断・接する弁機構4と、を収蔵せしめるとともに、前端側に前記弁機構4の弁軸42を一体または一体的に設けてスライド作動により弁機構4を開弁と閉弁とに切り替え作動させる作動シャフト7を軸方向にスライド自在に収蔵せしめ、その作動シャフト7には、前端側に設けた弁軸42が閉弁位置を占める側に動く方向に該作動シャフト7を押し出すよう付勢する復元バネ50を連繋し、この作動シャフト7と、前記把持グリップ1の前面側に軸支せる握りレバー5とを、握りレバー5の握り込みにより、作動シャフト7が弁機構4を開弁位置とする側に動き、握りレバー5の握り込みの解放により、作動シャフト7が復元バネ50のバネ圧で弁機構4を閉弁とする側に動くよう連繋機構M)を介して連繋して、握りレバー5の握り込みにより弁機構4が開弁に作動してシーラを吐出筒2の筒先から吐出し、握りレバー5の握り込みの解放により弁機構4が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
作動シャフト7には、筒状に形成した係止部材70を、軸方向に摺動自在に嵌装して、作動シャフト7に対する後方への移動を規制部材71により規制し、前方への移動を該作動シャフト7の周面に設けた係合段部72と係止部材70との間に渡架せるバネDにより規制し、かつ、そのバネDのバネ圧は復元バネ50のバネ圧より強く設定しておき、握りレバー5の握り込みにより、復元バネ50を圧縮させながら作動シャフト7を弁機構4を開弁とする側にスライドさせるときの握りレバー5の回動作動を、復元バネ50を圧縮させながら作動シャフト7を開弁位置に動かす前半側の回動作動と、作動シャフト7を復元バネ50により開弁の状態位置に保持せしめたまま、その作動シャフト7に対しボビン状の係止部材70を、強いバネ圧のバネDを押し縮めながらスライドさせていく後半側の作動との、2段に作動させ、握りレバー5を握りなおす操作の際の握り込みの緩め回動が、係止部材70を作動シャフト7に対して動かす後半側の回動範囲内において、弁機構4を開弁に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
を提起し、また、これに併せて、
筒状に形成して基端側に把持グリップ1を具備せしめ、先端側には筒先に吐出口20を開設した吐出筒2を接続して設けたボディaの内部に、供給管3から導入されるシーラを吐出筒2に導く誘導路uと、その誘導路uの前記吐出筒2に対する連通を弁軸42の作動により断・接する弁機構4と、を収蔵せしめるとともに、前端側に前記弁機構4の弁軸42を一体または一体的に設けて、スライド作動により弁機構4を開弁と閉弁とに切り替え作動させる作動シャフト7を軸方向にスライド自在に収蔵せしめ、その作動シャフト7には、前端側に設けた弁軸42が閉弁位置を占める側に動く方向に該作動シャフト7を押し出すよう付勢する復元バネ50を連繋し、この作動シャフト7と、前記把持グリップ1の前面側に軸支せる握りレバー5とを、握りレバー5の握り込みにより、作動シャフト7が弁機構4を開弁位置とする側に動き、握りレバー5の握り込みの解放により、作動シャフト7が復元バネ50のバネ圧で弁機構4を閉弁とする側に動くよう連繋機構Mを介して連繋して、握りレバー5の握り込みにより弁機構4が開弁作動してシーラを吐出筒2の筒先から吐出し、握りレバー5の握り込みの解放により弁機構4が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディa内には、握りレバー5の握り込み作動による弁機構4の開弁作動と握りレバー5の握り込みの解放作動による弁機構4の閉弁作動とに、それぞれ連動して吐出作動と吸引作動とを行う液だれ防止装置Bのポンプ装置Pを組み込み収蔵せしめ、そのポンプ装置Pの拡縮するポンプ室pに接続せる吸引・吐出パイプ64の先端開口を、ボディaの先端側に装設せる吐出筒2内に開口せしめ、
作動シャフト7には、筒状に形成した係止部材70を、軸方向に摺動自在に嵌装して、作動シャフト7に対する後方への移動を規制部材71により規制し、前方への移動を、該作動シャフト7の周面に設けた係合段部72と係止部材70との間に渡架せるバネDのバネ圧により規制し、かつ、そのバネDのバネ圧は復元バネ50のバネ圧より強く設定しておいて、握りレバー5の握り込みにより復元バネ50を圧縮させながら作動シャフト7を弁機構4を開弁とする側にスライドさせるときの握りレバー5の回動作動を、復元バネ50を圧縮させながら作動シャフト7を開弁方向のエンドまで動かす前半側の作動と、作動シャフト7を復元バネ50のバネ圧により開弁の状態位置に保持せしめた状態においてその作動シャフト7に対しボビン状の係止部材70を、バネDを押し縮めながら作動シャフト7上をスライドさせていく後半側の作動との、2段に作動させ、握りレバー5を握りなおす操作の際の握り込みの緩め回動が、係止部材70を作動シャフト7に対して動かす後半側の回動範囲内において、弁機構4を開弁に保持せしめ、液だれ防止装置Bのポンプ装置Pを吐出作動に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
を提起し、また、これに併せて、
筒状に形成して基端側に把持グリップ1を具備せしめ、先端側には筒先に吐出口20を開設した吐出筒2を接続して設けたボディaの内部に、供給管3から導入されるシーラを吐出筒2に導く誘導路uと、その誘導路uの前記吐出筒2に対する連通を断・接する弁機構4と、を収蔵せしめるとともに、前記弁機構4の弁軸42を開弁位置と閉弁位置とに切り替え作動させる作動シャフト7を、軸方向にスライド自在に収蔵せしめ、その作動シャフト7には、前端側に一体または一体的に連結せしめて設けた弁軸42が閉弁位置を占める側に動く方向に該作動シャフト7を押し出すよう付勢する復元バネ50を連繋し、この作動シャフト7と、前記把持グリップ1と一緒に握り込めるようその把持グリップ1の前面側に軸支せる握りレバー5とを、握りレバー5の握り込みにより、作動シャフト7が弁機構4の弁軸42開弁位置とする側に動き、握りレバー5の握り込みの解放により、作動シャフト7が復元バネ50のバネ圧で弁機構4の弁軸42を閉弁位置とする側に動くよう連繋機構Mを介して連繋して、握りレバー5の握り込みにより弁機構4が開弁作動してシーラを吐出筒2の筒先から吐出し、握りレバー5の握り込みの解放により弁機構4が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
把持グリップ1の前面側に配位してボディaに軸支する握りレバー5は、把持グリップ1とともに該握りレバー5を握り込むときの掌の指のかかる先端側の握り部5aと、支軸sに軸支されて前後方向に回動する基端側の主体部5bとに2分し、その先端側の握り部5aと基端側の主体部5bとを、握り部5aが主体部5bに対し直列に連続する姿勢位置から把持グリップ1に沿う姿勢位置との間を自在に折曲回動するよう軸着連結し、かつ、握り部5aと主体部5bとの間に、握り部5aを主体部5bと直列に連続する状態位置に向け回動さすよう付勢するバネDを復元バネ50より強いバネ圧に設定して付設し、そのバネDのバネ圧により先端側の握り部5aを基端側の主体部5bに対し直列に連続する状態姿勢に保持せしめて、握りレバー5の握り込みにより作動シャフト7をスライドさせて弁機構4を開弁作動させるときの握りレバー5の回動作動を、主体部5bと握り部5aとが一緒に回動して復元バネ50を圧縮しながら作動シャフト7を開弁位置に動かす前半側の作動と、握り部5bだけが復元バネ50により作動シャフト7を開弁位置に保持せしめたまま強いバネ圧のバネDを圧縮しながら回動する後半側の作動との2段の作動とし、握りレバー5を握りなおす際の握り込みの緩め回動が、後半側の回動範囲内において、弁機構4を開弁に保持せしめた状態において行われるようにしたことを特徴とするシーラガン。
を提起し、また、これに併せて、
筒状に形成して基端側に把持グリップ1を具備せしめ、先端側には筒先に吐出口20を開設した吐出筒2を接続して設けたボディaの内部に、供給管3から導入されるシーラを吐出筒2に導く誘導路uと、その誘導路uの前記吐出筒2)に対する連通を断・接する弁機構4と、を収蔵せしめるとともに、前記弁機構4の弁軸42を開弁位置と閉弁位置とに切り替え作動させる作動シャフト7を、軸方向にスライド自在に収蔵せしめ、その作動シャフト7には、前端側に一体または一体的に連結せしめて設けた弁軸42が閉弁位置を占める側に動く方向に該作動シャフト7を押し出すよう付勢する復元バネ50を連繋し、この作動シャフト7と、前記把持グリップ1と一緒に握り込めるようその把持グリップ1の前面側に軸支せる握りレバー5とを、握りレバー5の握り込みにより、作動シャフト7が弁機構4の弁軸42を開弁位置とする側に動き、握りレバー5の握り込みの解放により、作動シャフト7が復元バネ50のバネ圧で弁機構4の弁軸42を閉弁位置とする側に動くよう連繋機構Mを介して連繋して、握りレバー5の握り込みにより弁機構4が開弁作動してシーラを吐出筒2の筒先から吐出し、握りレバー5の握り込みの解放により弁機構4が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディa内には、握りレバー5の握り込み作動による弁機構4の開弁作動と握りレバー5の握り込みの解放作動による弁機構4の閉弁作動とに、それぞれ連動して吐出作動と吸引作動とを行う液だれ防止装置Bのポンプ装置Pを組み込み収蔵せしめ、そのポンプ装置Pの拡縮するポンプ室pに接続せる吸引・吐出パイプ64の先端開口を、ボディaの先端側に装設せる吐出筒2内に開口せしめ、把持グリップ1の前面側に配位してボディaに軸支する握りレバー5、把持グリップ1とともに該握りレバー5を握り込むときの掌の指のかかる先端側の握り部5aと、支軸sに軸支されて前後方向に回動する基端側の主体部5bとに分割し、分割した先端側の握り部5aと基端側の主体部5bと、握り部5a主体部5bに対し直列に連続する状態位置に向け回動さすよう付勢するバネDを復元バネ50より強いバネ圧に設定して付設し、そのバネDのバネ圧により先端側の握り部5aを基端側の主体部5bに対し直列に連続する状態姿勢に保持せしめ、
握りレバー5の握り込みにより作動シャフト7をスライドさせて弁機構4を開弁作動させるときの握りレバー5の回動作動を、主体部5bと握り部5aとが一緒に回動して復元バネ50を圧縮しながら作動シャフト7を開弁位置に動かす前半側の作動と、握り部5bだけが復元バネ50により作動シャフト7を開弁位置に保持せしめたまま強いバネ圧のバネDを圧縮しながら回動する後半側の作動との2段の作動に構成し、握りレバー5を握りなおす際の握り込みの緩め回動が、後半側の回動範囲内において、弁機構4を開弁に保持せしめ液だれ防止装置Bのポンプ装置pを吐出作動に保持せしめた状態において行われるようにしたことを特徴とするシーラガン。
を提起し、また、これに併せて、
筒状に形成して基端側に把持グリップ1を具備せしめ、先端側には筒先に吐出口20を開設した吐出筒2を接続して設けたボディaの内部に、供給管3から導入されるシーラを吐出筒2に導く誘導路uと、その誘導路uの前記吐出筒2に対する連通を弁軸42の作動により断・接する弁機構4と、を収蔵せしめるとともに、前端側に前記弁機構4の弁軸42を一体または一体的に設けてスライド作動により弁機構4を開弁と閉弁とに切り替え作動させる作動シャフト7を軸方向にスライド自在に収蔵せしめ、その作動シャフト7には、前端側に設けた弁軸42が閉弁位置を占める側に動く方向に該作動シャフト7を押し出すよう付勢する復元バネ50を連繋し、この作動シャフト7と、前記把持グリップ1の前面側に軸支せる握りレバー5とを、握りレバー5の握り込みにより、作動シャフト7が弁機構4を開弁位置とする側に動き、握りレバー5の握り込みの解放により、作動シャフト7が復元バネ50のバネ圧で弁機構4を閉弁とする側に動くよう連繋機構Mを介して連繋して、握りレバー5の握り込みにより弁機構4が開弁作動してシーラを吐出筒2の筒先から吐出し、握りレバー5の握り込みの解放により弁機構4が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディa内の先端側には、シリンダ状のケーシング60と、そのケーシング60の前端側に取り付ける吸引ブロック62と、ケーシング60内を前後に往復動するピストン61と、そのピストン61と前記吸引ブロック62との間に形成される拡縮するポンプ室pと、そのポンプ室pに基端側が接続し先端側が吐出筒2内において吐出口20の近傍位置に臨む吸引・吐出パイプ64と、からなる液だれ防止装置Bのポンプ装置Pを組み込み、
作動シャフト7の前端側に設ける弁機構4の弁軸42は、作動シャフト7とは別体の円筒状に形成して、前端側を前記ポンプ装置Pのピストン61の後面側に一体または一体的に連続させ、
作動シャフト7の前端側に、前記円筒状の弁軸42内に嵌合する嵌合軸部7aを形して、その嵌合軸部7a内に、弁軸42を摺動自在に嵌合し、規制金具により摺動範囲を一定の距離dに規制して組み付け、この嵌合軸部7aと前記弁軸42に連続するピストン61との間に、嵌合軸部42を弁軸42から押し出す方向に付勢するバネDを、復元バネ50より強いバネ圧に設定して渡架装設して、握りレバー5の握り込みにより作動シャフト7をスライドさせて弁機構4を開弁させるときの、握りレバー5の回動作動を、復元バネ50を圧縮しながら作動シャフト7と弁軸42とを開弁位置に押し込んでいく前半側の作動と、強いバネDを圧縮しながら作動シャフト7を弁軸42内に押し込んでいく後半側の作動との、2段に作動させ、握りレバー5を握りなおす際の緩め回動が、後半側の回動範囲内において弁機構4を開弁に保持せしめ液だれ防止装置Bのポンプ装置Pを吐出作動の状態に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
を提起し、また、これに併せて、
筒状に形成して基端側に把持グリップ1を具備せしめ、先端側には筒先に吐出口20を開設した吐出筒2を接続して設けたボディaの内部に、供給管3から導入されるシーラを吐出筒2に導く誘導路uと、その誘導路uの前記吐出筒2に対する連通を弁軸42の作動により断・接する弁機構4と、を収蔵せしめるとともに、前端側に前記弁機構4の弁軸42を一体または一体的に設けてスライド作動により弁機構4を開弁と閉弁とに切り替え作動させる作動シャフト7を軸方向にスライド自在に収蔵せしめ、その作動シャフト7には、前端側に設けた弁軸42が閉弁位置を占める側に動く方向に該作動シャフト7を押し出すよう付勢する復元バネ50を連繋し、この作動シャフト7と、前記把持グリップ1の前面側に軸支せる握りレバー5とを、握りレバー5の握り込みにより、作動シャフト7が弁機構4を開弁位置とする側に動き、握りレバー5の握り込みの解放により、作動シャフト7が復元バネ50のバネ圧で弁機構4を閉弁とする側に動くよう連繋機構Mを介して連繋して、握りレバー5の握り込みにより弁機構4が開弁作動してシーラを吐出筒2の筒先から吐出し、握りレバー5の握り込みの解放により弁機構4が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディa内の先端側には、シリンダ状のケーシング60と、そのケーシング60の前端側に取り付ける吸引ブロック62と、ケーシング60内を前後に往復動するピストン61と、そのピストン61と前記吸引ブロック62との間に形成される拡縮するポンプ室pと、そのポンプ室pに基端側が接続し先端側が吐出筒2内において吐出口20の近傍位置に臨む吸引・吐出パイプ64と、からなる液だれ防止装置Bのポンプ装置Pを組み込み、作動シャフト7の前端側に設ける弁機構4の弁軸42は、作動シャフト7とは別体の円筒状に形成して、前端側を前記ポンプ装置Pのピストン61の後面側に一体または一体的に連続させ、作動シャフト7の前端側に、前記円筒状の弁軸42内に嵌合する嵌合軸部7を形成して、その嵌合軸部7内に弁軸42を摺動自在に嵌合し、規制金具により摺動範囲を一定の距離dに規制して嵌合軸部7bに組み付け、円筒状の弁軸42の後端部と作動シャフト7の周面に設けた係止金具fとの間に、嵌合軸部42を弁軸42から押し出す方向に付勢するバネDを、復元バネ50より強いバネ圧に設定して渡架装設して、握りレバー5の握り込みにより作動シャフト7をスライドさせて弁機構4を開弁させるときの、握りレバー5の回動作動を、復元バネ50を圧縮しながら作動シャフト7と弁軸42とを開弁位置に押し込んでいく前半側の作動と、強いバネDを圧縮しながら作動シャフト7を弁軸42内に押し込んでいく後半側の作動との、2段に作動させ、握りレバー5を握りなおす際の緩め回動が、後半側の回動範囲内において弁機構4を開弁に保持せしめ液だれ防止装置Bのポンプ装置Pを吐出作動の状態に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
を提起し、また、これに併せて、
筒状に形成して基端側に把持グリップ1を具備せしめ、先端側には筒先に吐出口20を開設した吐出筒2を接続して設けたボディaの内部に、供給管3から導入されるシーラを吐出筒2に導く誘導路uと、その誘導路uの前記吐出筒2に対する連通を弁軸42の作動により断・接する弁機構4と、を収蔵せしめるとともに、前端側に前記弁機構4の弁軸42を一体または一体的に設けてスライド作動により弁機構4を開弁と閉弁とに切り替え作動させる作動シャフト7を軸方向にスライド自在に収蔵せしめ、その作動シャフト7には、前端側に設けた弁軸42が閉弁位置を占める側に動く方向に該作動シャフト7を押し出すよう付勢する復元バネ50を連繋し、この作動シャフト7と、前記把持グリップ1の前面側に軸支せる握りレバー5とを、握りレバー5の握り込みにより、作動シャフト7が弁機構4を開弁位置とする側に動き、握りレバー5の握り込みの解放により、作動シャフト7が復元バネ50のバネ圧で弁機構4を閉弁とする側に動くよう連繋機構Mを介して連繋して、握りレバー5の握り込みにより弁機構4が開弁作動してシーラを吐出筒2の筒先から吐出し、握りレバー5の握り込みの解放により弁機構4が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディa内の先端側には、シリンダ状のケーシング60と、そのケーシング60の前端側に取り付ける吸引ブロック62と、ケーシング60内を前後に往復動するピストン61と、そのピストン61と前記吸引ブロック62との間に形成される拡縮するポンプ室pと、そのポンプ室pに基端側が接続し先端側が吐出筒2内において吐出口20の近傍位置に臨む吸引・吐出パイプ64と、からなる液だれ防止装置Bのポンプ装置Pを組み込み、作動シャフト7の前端側に設ける弁機構4の弁軸42は、作動シャフト7の前端部に前記ポンプ装置Pのピストン61と略同径の拡径軸部を一体に連続させて形成して、その拡径軸部をもって弁軸42に構成し、その弁軸42と前記ポンプ装置Pのピストン61とを、ピストン61に設けた透孔と弁軸42に設けてその透孔に嵌挿せる連繋金具gにより、一定の距離dを隔てて対向する状態と互いに衝合し合う状態とに変化するよう連繋し、この弁軸42の前端とピストン61との間に、ピストン61と弁軸42との間隔を押し拡げるように作用するバネDを、前述復元バネ50より強いバネ圧に設定して渡架装設して、握りレバー5の握り込みにより作動シャフト7をスライドさせて弁機構4を開弁させるときの握りレバー5の回動作動を、復元バネ50を圧縮しながら作動シャフト7とともに弁軸42を開弁位置に押し込んでいく前半側の作動と、強いバネDを圧縮しながら作動シャフト7とともに弁軸42をピストン61と衝合するまで押し込んでいく後半側の作動との、2段に作動させ、握りレバー5を握りなおす際の緩め回動が、後半側の回動範囲内において弁機構4を開弁に保持せしめ液だれ防止装置Bのポンプ装置Pを吐出作動の状態に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
を提起するものである。
  In the present invention, as a means for solving the above-mentioned problems, a gripping grip 1 is provided on the proximal end side and formed in a cylindrical shape, and a discharge cylinder 2 having a discharge port 20 opened at the distal end side is connected to the distal end side. A guide path u for guiding the sealer introduced from the supply pipe 3 to the discharge cylinder 2 and a valve mechanism 4 for disconnecting / connecting the guide path u to the discharge cylinder 2 inside the body a. The operating shaft 7 for storing and operating the valve shaft 42 of the valve mechanism 4 to be switched between the valve opening position and the valve closing position is stored slidably in the axial direction, and the operation shaft 7 is integrated with the front end side. Alternatively, a restoring spring 50 that urges the operating shaft 7 to push out the operating shaft 7 in a direction in which the valve shaft 42 that is integrally connected to move to the side occupying the valve closing position is connected, and the operating shaft 7 and the grip grip 1 are connected. Hold with When the grip lever 5 that is pivotally supported on the front side of the grip grip 1 is gripped by the grip lever 5, the operating shaft 7 moves to the side where the valve shaft 42 of the valve mechanism 4 is set to the valve opening position, and the grip lever 5 When the gripping lever 5 is released, the operating shaft 7 is linked via the linkage mechanism M so that the operating shaft 7 moves to the side where the valve shaft 42 of the valve mechanism 4 is in the closed position by the spring pressure of the restoring spring 50. In the sealer gun, the valve mechanism 4 is opened to discharge the sealer from the tube tip of the discharge cylinder 2, and the release of the grip lever 5 is operated to close the valve mechanism 4 to stop discharging the sealer. ,
  A restoring spring 50 that urges the gripping lever 5 connected to the operating shaft 7 that opens and closes the valve mechanism 4 to open and close by a slide operation so as to move the operating shaft 7 to the valve closing side, and the restoring spring Rotating operation of the grip lever 5 when the valve mechanism 4 is opened by sliding the operating shaft 7 by squeezing the grip lever 5 by connecting with the spring D having a spring pressure set stronger than 50. Rotation operation of the first half side to move the operating shaft 7 to the valve opening position while compressing the restoring spring 50, and a spring D set stronger than the restoring spring 50 while the operating shaft 7 is held at the valve opening position by the restoring spring 50 This is a two-stage operation of the second half of the operation of compressing the valve, and the loose rotation of the grip when the grip lever 5 is re-grown opens the valve mechanism 4 within the second half of the rotation range. Held Shiragan characterized in that so as to perform in state.
In conjunction with this,
  It is formed from a supply pipe 3 into a body a which is formed in a cylindrical shape and has a gripping grip 1 on the proximal end side and is connected to a discharge cylinder 2 having a discharge opening 20 opened at the distal end side. The guide path u for guiding the sealer to the discharge cylinder 2 and the valve mechanism 4 for disconnecting and connecting the guide path u to the discharge cylinder 2 are stored, and the valve shaft 42 of the valve mechanism 4 is opened. An operating shaft 7 that is switched to and from the valve closing position is slidably stored in the axial direction, and a valve shaft 42 that is integrally or integrally connected to the front end side of the operating shaft 7 is provided at the valve closing position. A restoring spring 50 that urges the operating shaft 7 to push it out in the direction of moving to the side occupying the shaft is connected, and the operating shaft 7 is pivotally supported on the front side of the grip grip 1 so that it can be gripped together with the grip grip 1. With the grip lever 5 When the grip lever 5 is gripped, the operating shaft 7 moves to the side where the valve shaft 42 of the valve mechanism 4 is set to the valve open position, and when the grip lever 5 is released, the operating shaft 7 moves the spring pressure of the restoring spring 50. Thus, the valve mechanism 4 is linked via the linkage mechanism M so that the valve shaft 42 moves to the valve closing position, and the valve mechanism 4 is opened to open the sealer by grasping the grip lever 5, thereby discharging the sealer 2 In the sealer gun that discharges from the tip of the cylinder and stops the discharge of the sealer when the valve mechanism 4 is closed by releasing the gripping lever 5
  In the body a, the discharge operation and the suction operation are interlocked with the valve opening operation of the valve mechanism 4 by the gripping operation of the grip lever 5 and the valve closing operation of the valve mechanism 4 by the release operation of the grip lever 5, respectively. The pump device P of the dripping prevention device B that operates is incorporated and stored, and the tip opening of the suction / discharge pipe 64 connected to the pump chamber p expanding and contracting of the pump device P is installed on the tip side of the body a. It is attached to the grip lever 5 that is opened in the discharge cylinder 2 and is linked to the operating shaft 7 that opens and closes the valve mechanism 4 by sliding operation so that the operating shaft 7 is moved to the valve closing side. When the restoring spring 50 is energized and the spring D having a spring pressure set stronger than that of the restoring spring 50 is provided in a linked manner, the operating shaft 7 is slid by the gripping lever 5 and the valve mechanism 4 is opened. Grip The pivoting operation of the lever 5 includes the first half of moving the operating shaft 7 to the valve opening position while compressing the restoring spring 50, and the restoring spring 50 while the operating shaft 7 is held at the valve opening position by the restoring spring 50. When the grip lever 5 is re-gripped, the loose rotation of the gripping lever 5 is within the rotation range of the latter half. The sealer gun is characterized in that the valve mechanism 4 is held open and the pump device P of the dripping prevention device B is held in the discharge operation state.
In conjunction with this,
  It is formed from a supply pipe 3 into a body a which is formed in a cylindrical shape and has a gripping grip 1 on the proximal end side and is connected to a discharge cylinder 2 having a discharge opening 20 opened at the distal end side. A guide path u that guides the sealer to the discharge cylinder 2 and a valve mechanism 4 that disconnects and contacts the connection of the guide path u to the discharge cylinder 2 by the operation of the valve shaft 42 and stores the valve mechanism on the front end side. 4, the valve shaft 42 is integrally or integrally provided, and the operation shaft 7 for switching the valve mechanism 4 to be opened and closed by a slide operation is slidably stored in the axial direction. A restoring spring 50 that urges the operating shaft 7 to push it out in the direction in which the valve shaft 42 provided on the front end side moves to the side occupying the valve closing position is connected, and the operating shaft 7 is connected to the front side of the grip 1. Grip lever 5 to support the shaft and When the grip lever 5 is gripped, the operating shaft 7 moves to the side where the valve mechanism 4 is opened, and when the grip lever 5 is released, the operating shaft 7 is moved by the spring pressure of the restoring spring 50 to the valve mechanism 4. Are connected via a linkage mechanism M) so as to move to the valve closing side, and when the grip lever 5 is gripped, the valve mechanism 4 is opened so that the sealer is discharged from the tip of the discharge cylinder 2, and the grip lever In the sealer gun in which the valve mechanism 4 is closed to release the sealer by releasing the gripping of 5,
  A locking member 70 formed in a cylindrical shape is fitted to the operating shaft 7 so as to be slidable in the axial direction, and the backward movement with respect to the operating shaft 7 is restricted by a restriction member 71, and the forward movement is restricted. Provided on the peripheral surface of the operating shaft 7Engagement stepThe spring D is restricted by the spring D that can be bridged between the locking member 70 and the locking member 70, and the spring pressure of the spring D is set to be stronger than the spring pressure of the restoring spring 50. When the operating shaft 7 is slid to the side where the valve mechanism 4 is opened while the spring 50 is compressed, the first half of the operation of moving the operating shaft 7 to the valve-opening position while compressing the restoring spring 50 is performed. Side rotation operation and the operating shaft 7 is held in the valve open position by the restoring spring 50, the bobbin-shaped locking member 70 is pressed against the operating shaft 7 and the spring D having a strong spring pressure is compressed. The second half of the operation of moving the locking member 70 with respect to the operating shaft 7 is the second half of the operation of the second half of the sliding operation. Within the rotation range of Oite, Shiragan characterized in that so as to perform in a state where allowed hold the valve mechanism 4 in the valve opening.
In conjunction with this,
  It is formed from a supply pipe 3 into a body a which is formed in a cylindrical shape and has a gripping grip 1 on the proximal end side and is connected to a discharge cylinder 2 having a discharge opening 20 opened at the distal end side. A guide path u that guides the sealer to the discharge cylinder 2 and a valve mechanism 4 that disconnects and contacts the connection of the guide path u to the discharge cylinder 2 by the operation of the valve shaft 42 and stores the valve mechanism on the front end side. 4, the valve shaft 42 is provided integrally or integrally, and the operation shaft 7 for switching the valve mechanism 4 between opening and closing by sliding operation is slidably stored in the axial direction. A restoring spring 50 that urges the operating shaft 7 to push out the operating shaft 7 in a direction in which the valve shaft 42 provided on the front end side moves to the side occupying the valve closing position is connected, and the operating shaft 7 and the front side of the gripping grip 1 are connected. Grip lever 5 to be pivotally supported When the grip lever 5 is gripped, the operating shaft 7 moves toward the valve opening position of the valve mechanism 4, and when the grip lever 5 is released, the operating shaft 7 is driven by the spring pressure of the restoring spring 50. 4 is connected through a connecting mechanism M so as to move to a valve closing side, and the valve mechanism 4 is opened by gripping the grip lever 5 to discharge the sealer from the tip of the discharge cylinder 2. In the sealer gun, the valve mechanism 4 is operated to be closed by releasing the holding of the sealer to stop the discharge of the sealer.
  In the body a, the discharge operation and the suction operation are interlocked with the valve opening operation of the valve mechanism 4 by the gripping operation of the grip lever 5 and the valve closing operation of the valve mechanism 4 by the release operation of the grip lever 5, respectively. The pump device P of the dripping prevention device B that operates is incorporated and stored, and the tip opening of the suction / discharge pipe 64 connected to the pump chamber p expanding and contracting of the pump device P is installed on the tip side of the body a. Open in the discharge cylinder 2,
  A locking member 70 formed in a cylindrical shape is fitted to the operating shaft 7 so as to be slidable in the axial direction, and the backward movement with respect to the operating shaft 7 is restricted by a restriction member 71, and the forward movement is restricted. , Provided on the peripheral surface of the operating shaft 7Engagement stepThe gripping force of the grip lever 5 is restricted by the spring pressure of the spring D that can be bridged between the locking member 70 and the locking member 70, and the spring pressure of the spring D is set to be stronger than the spring pressure of the restoring spring 50. Rotation of the grip lever 5 when the operating shaft 7 is slid to the valve opening side while the restoring spring 50 is compressed while the restoring spring 50 is compressed, and the operating shaft 7 is opened in the valve opening direction while compressing the restoring spring 50 In the state where the first half side is moved to the end, and the operating shaft 7 is held in the valve-opened position by the spring pressure of the restoring spring 50, the bobbin-shaped locking member 70 is connected to the operating shaft 7 and the spring D is moved. The latch member 70 is actuated by loosening and turning when the grip lever 5 is operated in two stages, the second half of the operation of sliding on the operating shaft 7 while pushing and shrinking. The valve mechanism 4 is held in the open range within the rotation range on the latter half side to be moved, and the pump device P of the dripping prevention device B is held in the discharge operation. Sheilagan.
In conjunction with this,
  It is formed from a supply pipe 3 into a body a which is formed in a cylindrical shape and has a gripping grip 1 on the proximal end side and is connected to a discharge cylinder 2 having a discharge opening 20 opened at the distal end side. The guide path u for guiding the sealer to the discharge cylinder 2 and the valve mechanism 4 for disconnecting and connecting the guide path u to the discharge cylinder 2 are stored, and the valve shaft 42 of the valve mechanism 4 is opened. An operating shaft 7 that is switched to and from the valve closing position is slidably stored in the axial direction, and a valve shaft 42 that is integrally or integrally connected to the front end side of the operating shaft 7 is provided at the valve closing position. A restoring spring 50 that urges the operating shaft 7 to push it out in the direction of moving to the side occupying the shaft is connected, and the operating shaft 7 is pivotally supported on the front side of the grip grip 1 so that it can be gripped together with the grip grip 1. With the grip lever 5 When the grip lever 5 is gripped, the operating shaft 7 moves to the valve shaft 42 opening position of the valve mechanism 4, and when the grip lever 5 is released, the operating shaft 7 is moved by the spring pressure of the restoring spring 50. The valve mechanism 4 is linked via a linkage mechanism M so that the valve shaft 42 moves to the valve closing position, and the valve mechanism 4 is opened by gripping the gripping lever 5 to move the sealer to the cylinder tip of the discharge cylinder 2. In the sealer gun, the valve mechanism 4 is actuated to close by releasing the grip lever 5 and stopping the discharge of the sealer.
  The grip lever 5 that is positioned on the front side of the grip 1 and pivotally supported on the body a is connected to the grip portion 5a on the tip side of the palm finger when the grip lever 5 is gripped together with the grip grip 1, and the support shaft. The main body part 5b on the base end side that is pivotally supported by s and rotates in the front-rear direction is divided into two, and the grip part 5a on the front end side and the main body part 5b on the base end side are divided into the main part 5b. The grip portion 5a is pivotally connected so as to be freely bent and rotated between a posture position continuous in series and a posture position along the grip grip 1, and between the grip portion 5a and the main body portion 5b. Is attached with a spring D set to a spring pressure stronger than that of the restoring spring 50, and the grip D 5a on the tip side is attached by the spring pressure of the spring D. Is held in a state that is continuous in series with the main body portion 5b on the base end side, -5, when the operating shaft 7 is slid to open the valve mechanism 4 by opening the valve mechanism 4, when the grip lever 5 is rotated, the main body portion 5b and the grip portion 5a rotate together to restore the spring 50. The first half of the operation of moving the operating shaft 7 to the valve-opening position while compressing the pressure, and the grip 5b only compresses the spring D having a strong spring pressure while holding the operating shaft 7 in the valve-opening position by the restoring spring 50. The two-stage operation of the second half of the rotation and the loose rotation of the grip when the grip lever 5 is re-gripped, keeps the valve mechanism 4 open within the second half rotation range. Sheilagan characterized by being performed in the state.
In conjunction with this,
  It is formed from a supply pipe 3 into a body a which is formed in a cylindrical shape and has a gripping grip 1 on the proximal end side and is connected to a discharge cylinder 2 having a discharge opening 20 opened at the distal end side. The guide path u for guiding the sealer to the discharge cylinder 2 and the valve mechanism 4 for disconnecting and contacting the guide path u with the discharge cylinder 2) are stored, and the valve shaft 42 of the valve mechanism 4 is opened. An operating shaft 7 that is switched between a position and a valve closing position is stored so as to be slidable in the axial direction, and a valve shaft 42 that is integrally or integrally connected to the front end side of the operating shaft 7 is closed. A restoring spring 50 that urges the operating shaft 7 to push it out in the direction of moving to the position occupying the position is connected, and the operating shaft 7 is pivoted on the front side of the grip 1 so that it can be gripped together with the grip 1 Grip lever 5 to support When the grip lever 5 is gripped, the operating shaft 7 moves to the side where the valve shaft 42 of the valve mechanism 4 is opened, and when the grip lever 5 is released, the operating shaft 7 is a spring of the restoring spring 50. The valve mechanism 4 is linked via a linkage mechanism M so as to move the valve shaft 42 of the valve mechanism 4 to the valve closing position by pressure, and the valve mechanism 4 is opened by gripping the grip lever 5 to release the sealer 2 In the sealer gun that discharges from the tip of the cylinder and stops the discharge of the sealer when the valve mechanism 4 is closed by releasing the gripping lever 5
  In the body a, the discharge operation and the suction operation are interlocked with the valve opening operation of the valve mechanism 4 by the gripping operation of the grip lever 5 and the valve closing operation of the valve mechanism 4 by the release operation of the grip lever 5, respectively. The pump device P of the dripping prevention device B that operates is incorporated and stored, and the tip opening of the suction / discharge pipe 64 connected to the pump chamber p expanding and contracting of the pump device P is installed on the tip side of the body a. Grip lever 5 that opens in the discharge cylinder 2 and is positioned on the front side of the grip 1 and pivotally supported on the body aTheThe grip part 5a on the distal end side of the palm finger when grasping the grip lever 5 together with the grip grip 1 and the main part 5b on the proximal end side supported by the support shaft s and rotated in the front-rear direction.SplitAndDividedA grip portion 5a on the distal end side and a main portion 5b on the proximal end sideIn, Grip part 5aTheA spring D that urges the main body portion 5b to rotate toward a state position continuous in series.,A spring pressure higher than that of the restoring spring 50 is set and attached, and the spring pressure of the spring D holds the grip portion 5a on the distal end side in a state that is continuous in series with the main body portion 5b on the proximal end side.The
  When the gripping lever 5 is gripped, the operating shaft 7 is slid to open the valve mechanism 4 so that the pivoting operation of the gripping lever 5 rotates together with the main body 5b and the gripping part 5a. The first half of the operation shaft 7 is moved to the valve opening position while compressing 50, and only the grip portion 5b compresses the spring D having a strong spring pressure while the operation shaft 7 is held at the valve opening position by the restoring spring 50. Two-stage operation with the second half operation rotating whileConfigured toThen, when the grip lever 5 is re-gripped, the loosening and turning of the gripping force keeps the valve mechanism 4 open in the turning range of the second half.,A sealer gun which is performed in a state where the pump device p of the dripping prevention device B is held in the discharge operation.
In conjunction with this,
  It is formed from a supply pipe 3 into a body a which is formed in a cylindrical shape and has a gripping grip 1 on the proximal end side and is connected to a discharge cylinder 2 having a discharge opening 20 opened at the distal end side. A guide path u that guides the sealer to the discharge cylinder 2 and a valve mechanism 4 that disconnects and contacts the connection of the guide path u to the discharge cylinder 2 by the operation of the valve shaft 42 and stores the valve mechanism on the front end side. 4, the valve shaft 42 is integrally or integrally provided, and the operation shaft 7 for switching the valve mechanism 4 to be opened and closed by a slide operation is slidably stored in the axial direction. A restoring spring 50 that urges the operating shaft 7 to push it out in the direction in which the valve shaft 42 provided on the front end side moves to the side occupying the valve closing position is connected, and the operating shaft 7 is connected to the front side of the grip 1. Grip lever 5 to support the shaft and When the grip lever 5 is gripped, the operating shaft 7 moves to the side where the valve mechanism 4 is opened, and when the grip lever 5 is released, the operating shaft 7 is moved by the spring pressure of the restoring spring 50 to the valve mechanism 4. Are connected via a connecting mechanism M so as to move to the valve closing side, the valve mechanism 4 is opened by gripping the grip lever 5, and the sealer is discharged from the tube tip of the discharge cylinder 2. In the sealer gun that the valve mechanism 4 is closed to release the sealer by releasing the grip,
  A cylindrical casing 60, a suction block 62 attached to the front end side of the casing 60, a piston 61 reciprocating back and forth in the casing 60, and the piston 61 and the suction block 62 A pump chamber p which is formed between the pump chamber p and a suction / discharge pipe 64 having a proximal end connected to the pump chamber p and a distal end facing the position near the discharge port 20 in the discharge cylinder 2. Incorporating the pump device P of the prevention device B,
  The valve shaft 42 of the valve mechanism 4 provided on the front end side of the operation shaft 7 is formed in a cylindrical shape separate from the operation shaft 7, and the front end side is integrated or integrated with the rear surface side of the piston 61 of the pump device P. To be continuous,
  Actuating shaft7On the front endIsThe fitting shaft portion 7a to be fitted into the cylindrical valve shaft 42 is formed.SettingIn the fitting shaft portion 7aThe valve stem 42Fits slidably and regulates moneyIngredientsMore restrict the sliding range to a certain distance dGroupThe spring D that biases the fitting shaft portion 42 in the direction of pushing out the fitting shaft portion 42 from the valve shaft 42 between the fitting shaft portion 7a and the piston 61 continuous with the valve shaft 42 is stronger than the restoring spring 50. When the gripping lever 5 is gripped and the operating shaft 7 is slid to open the valve mechanism 4 to open the valve mechanism 4, the rotation of the gripping lever 5 is compressed and the restoring spring 50 is compressed. The first half of the operation shaft 7 and the valve shaft 42 are pushed into the valve opening position, and the second half of the operation shaft 7 is pushed into the valve shaft 42 while compressing the strong spring D. Actuating in two stages, the loose rotation when re-gripping the grip lever 5 causes the valve mechanism 4 to remain open within the rotation range of the second half.,A sealer gun characterized in that it can be performed in a state where the pump device P of the dripping prevention device B is held in a discharge operation state.
In conjunction with this,
  It is formed from a supply pipe 3 into a body a which is formed in a cylindrical shape and has a gripping grip 1 on the proximal end side and is connected to a discharge cylinder 2 having a discharge opening 20 opened at the distal end side. A guide path u that guides the sealer to the discharge cylinder 2 and a valve mechanism 4 that disconnects and contacts the connection of the guide path u to the discharge cylinder 2 by the operation of the valve shaft 42 and stores the valve mechanism on the front end side. 4, the valve shaft 42 is integrally or integrally provided, and the operation shaft 7 for switching the valve mechanism 4 to be opened and closed by a slide operation is slidably stored in the axial direction. A restoring spring 50 that urges the operating shaft 7 to push it out in the direction in which the valve shaft 42 provided on the front end side moves to the side occupying the valve closing position is connected, and the operating shaft 7 is connected to the front side of the grip 1. Grip lever 5 to support the shaft and When the grip lever 5 is gripped, the operating shaft 7 moves to the side where the valve mechanism 4 is opened, and when the grip lever 5 is released, the operating shaft 7 is moved by the spring pressure of the restoring spring 50 to the valve mechanism 4. Are connected via a connecting mechanism M so as to move to the valve closing side, the valve mechanism 4 is opened by gripping the grip lever 5, and the sealer is discharged from the tube tip of the discharge cylinder 2. In the sealer gun that the valve mechanism 4 is closed to release the sealer by releasing the grip,
  A cylindrical casing 60, a suction block 62 attached to the front end side of the casing 60, a piston 61 reciprocating back and forth in the casing 60, and the piston 61 and the suction block 62 A pump chamber p which is formed between the pump chamber p and a suction / discharge pipe 64 having a proximal end connected to the pump chamber p and a distal end facing the position near the discharge port 20 in the discharge cylinder 2. The valve shaft 42 of the valve mechanism 4 which incorporates the pump device P of the prevention device B and is provided on the front end side of the operation shaft 7 is formed in a cylindrical shape separate from the operation shaft 7, and the front end side of the pump device P is Integrally or continuously on the rear side of the piston 61, the operating shaft7On the front endIsThe fitting shaft portion 7 that fits into the cylindrical valve shaft 42.bThe fitting shaft portion 7 is formed.bWithinThe valve stem 42Fits slidably and regulates moneyIngredientsBy restricting the sliding range to a certain distance dMating shaft 7bAnd a spring D that urges the fitting shaft portion 42 in a direction to push out the fitting shaft portion 42 from the valve shaft 42 between the rear end portion of the cylindrical valve shaft 42 and the engagement fitting f provided on the peripheral surface of the operating shaft 7. Is set to a spring pressure stronger than that of the restoring spring 50, and the crossover operation of the grip lever 5 is performed when the operating shaft 7 is slid by the grip lever 5 and the valve mechanism 4 is opened. In the first half, the operating shaft 7 and the valve shaft 42 are pushed into the open position while compressing the restoring spring 50, and the operating shaft 7 is pushed into the valve shaft 42 while compressing the strong spring D. When the grip lever 5 is re-gripped, the valve mechanism 4 is held open within the second-half rotation range.,A sealer gun characterized in that it can be performed in a state where the pump device P of the dripping prevention device B is held in a discharge operation state.
In conjunction with this,
  It is formed from a supply pipe 3 into a body a which is formed in a cylindrical shape and has a gripping grip 1 on the proximal end side and is connected to a discharge cylinder 2 having a discharge opening 20 opened at the distal end side. A guide path u that guides the sealer to the discharge cylinder 2 and a valve mechanism 4 that disconnects and contacts the connection of the guide path u to the discharge cylinder 2 by the operation of the valve shaft 42 and stores the valve mechanism on the front end side. 4, the valve shaft 42 is integrally or integrally provided, and the operation shaft 7 for switching the valve mechanism 4 to be opened and closed by a slide operation is slidably stored in the axial direction. A restoring spring 50 that urges the operating shaft 7 to push it out in the direction in which the valve shaft 42 provided on the front end side moves to the side occupying the valve closing position is connected, and the operating shaft 7 is connected to the front side of the grip 1. Grip lever 5 to support the shaft and When the grip lever 5 is gripped, the operating shaft 7 moves to the side where the valve mechanism 4 is opened, and when the grip lever 5 is released, the operating shaft 7 is moved by the spring pressure of the restoring spring 50 to the valve mechanism 4. Are connected via a connecting mechanism M so as to move to the valve closing side, the valve mechanism 4 is opened by gripping the grip lever 5, and the sealer is discharged from the tube tip of the discharge cylinder 2. In the sealer gun that the valve mechanism 4 is closed to release the sealer by releasing the grip,
  A cylindrical casing 60, a suction block 62 attached to the front end side of the casing 60, a piston 61 reciprocating back and forth in the casing 60, and the piston 61 and the suction block 62 A pump chamber p which is formed between the pump chamber p and a suction / discharge pipe 64 having a proximal end connected to the pump chamber p and a distal end facing the position near the discharge port 20 in the discharge cylinder 2. The valve shaft 42 of the valve mechanism 4 that incorporates the pump device P of the prevention device B and is provided on the front end side of the operating shaft 7 is an expanded shaft having substantially the same diameter as the piston 61 of the pump device P at the front end portion of the operating shaft 7.PartThe diameter-expanding shaft is formed continuously in one piecePartTherefore, the valve shaft 42 and the piston 61 of the pump device P are fixed to each other by a through hole provided in the piston 61 and a connecting fitting g which is provided in the valve shaft 42 and can be inserted into the through hole. The distance between the piston 61 and the valve shaft 42 is increased between the front end of the valve shaft 42 and the piston 61 by linking them so as to change into a state in which they face each other at a distance d and a state in which they collide with each other. The spring D acting on the spring is set to a spring pressure stronger than that of the restoring spring 50 described above, and is installed so that the operating shaft 7 is slid by the gripping lever 5 and the valve mechanism 4 is opened. The pivoting operation of the lever 5 includes the operation of the first half in which the valve shaft 42 is pushed into the valve opening position together with the operating shaft 7 while compressing the restoring spring 50, and the valve shaft 42 together with the operating shaft 7 while compressing the strong spring D. Piston 6 When the grip lever 5 is re-gripped, the valve mechanism 4 is held open within the second-half rotation range. Cough,A sealer gun characterized in that it can be performed in a state where the pump device P of the dripping prevention device B is held in a discharge operation state.
Is to raise.

本発明手段は、握り込みによる握りレバー5の回動作動が、復元バネ50を圧縮しながら弁軸42を開弁作動のエンド位置まで押し込んで弁機構4を開弁させた状態とする前半側の回動作動と、弁軸42を開弁位置に押し込んだ状態に保持して復元バネ50よりバネ圧を強くしたバネDを圧縮していく後半側の回動作動との、2段の作動となるようにしてあるので、塗布作業中に握りレバー5を握り込む手の疲れをなおすために、握りを緩めて握りなおす操作が、バネ圧の強いバネDを圧縮していく後半側の回動作動の範囲内で行えることになって、シーラの吐出に影響を与えることなく、弁機構4を開弁に保持した状態で、握りレバー5の握りなおしが行えるようになる。   According to the present invention, the first half side in which the pivoting operation of the grip lever 5 by gripping the valve mechanism 4 is opened by pushing the valve shaft 42 to the end position of the valve opening operation while compressing the restoring spring 50. And the latter half of the rotation operation of compressing the spring D, which is held in a state where the valve shaft 42 is pushed into the valve open position and has a spring pressure stronger than that of the restoring spring 50. Therefore, in order to relieve the fatigue of the hand gripping the grip lever 5 during the application operation, the operation of loosening the grip and re-squeezing the spring D compresses the spring D having a strong spring pressure. Since it can be performed within the range of operation movement, the grip lever 5 can be re-gripped with the valve mechanism 4 held open without affecting the discharge of the sealer.

従前のシーラガンの縦断した側面図である。It is the side view which carried out the longitudinal section of the conventional sheerragan. 改善策として液だれ防止装置を組み付けたシーラガンの縦断側面図である。It is a vertical side view of a sealer gun assembled with a dripping prevention device as an improvement measure. 本発明手段を実施したシーラガンの縦断側面図である。It is a vertical side view of the sealer gun which implemented the means of the present invention. 同上シーラガンの別の実施例の縦断側面図である。It is a vertical side view of another Example of a sheerragan same as the above. 同上のさらに別の実施例の一部破断した側面図である。It is the partially broken side view of another Example same as the above. 同上実施例の、握りレバーを握り込んだ状態時の一部破断した側面図である。It is the partially broken side view at the time of the state which grasped the grip lever of the Example same as the above. 同上のさらに別の実施例の要部の縦断側面図である。It is a vertical side view of the principal part of another Example same as the above. 同上実施例の弁機構を閉弁とした状態時の縦断側面図である。It is a vertical side view at the time of the state which made the valve mechanism of the Example same as the above closed. 同上のさらに異なる実施例の握りレバーの握り込みを放して弁機構を開弁とした状態時における一部破断した側面図である。It is a partially broken side view in the state which released the grip lever of the further different embodiment same as the above and opened the valve mechanism. 同上実施例の握りレバーを握り込んで弁機構を開弁させた状態時における一部破断した側面図である。It is the partially broken side view in the state which grasped the grip lever of an example same as the above and opened the valve mechanism. 同上のさらに別の実施例の、弁機構を閉弁とした状態時における一部破断した側面図である。It is a partially broken side view in the state which made the valve mechanism the valve closing of another Example same as the above. 同上実施例の連繋金具の斜視図である。It is a perspective view of the connection metal fitting of an Example same as the above. 同上の、さらに異なる実施例の、弁機構を閉弁とした状態時における要部の縦断側面図である。It is a vertical side view of the principal part at the time of the state which made the valve mechanism the valve closing of a still another Example same as the above. 同上実施例の弁機構を開弁とした状態時における要部の縦断側面図である。It is a vertical side view of the principal part in the state which made the valve mechanism of the Example same as the above open. 同上のさらに別の実施例の、弁機構を閉弁とした状態時における要部の縦断側面図である。It is a vertical side view of the principal part in the state which made the valve mechanism the valve closing of another Example same as the above.

次に本発明の実施の態様を、実施例につき図面に従い詳述する。   Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

図3において、Aはシーラガンの全体、aはそのボディ、1はボディaの基端側に装設してある把持グリップ、2はボディaの先端側に装備せる吐出筒、3はシーラガンAの器体にシーラを供給する導入管、uはその供給管3により供給されてくるシーラをボディaの先端の吐出筒2に導くようボディa内に設けた誘導路、4はその誘導路uと吐出筒2との連通を断・接するようボディa内部に設けた弁機構、5はその弁機構4に開弁・閉弁の作動を行わすために把持グリップ1の前面側に配位して支軸s中心に前後に自在に回動するようボディaに軸支した握りレバー、Mは握りレバー5の回動作動で弁機構4に開弁・閉弁の作動を行わすよう握りレバー5と弁機構4とを連動・連繋する連繋機構、50は握りレバー5が把持グリップ1から離れた開放位置に復元回動するよう連繋機構Mに組み込んだ復元バネ、Bはボディaの先端側に装備せしめた液だれ防止装置、を示す。   In FIG. 3, A is the entire sealer gun, a is its body, 1 is a grip grip mounted on the base end side of the body a, 2 is a discharge cylinder mounted on the front end side of the body a, and 3 is the sealer gun A An introduction pipe for supplying a sealer to the vessel body, u is a guide path provided in the body a so as to guide the sealer supplied by the supply pipe 3 to the discharge cylinder 2 at the tip of the body a, and 4 is the guide path u. A valve mechanism 5 provided inside the body a so as to cut off and connect to the discharge cylinder 2 is arranged on the front side of the grip 1 in order to open and close the valve mechanism 4. A grip lever M that is pivotally supported on the body a so as to freely rotate back and forth about the support shaft s, and M is a grip lever 5 that opens and closes the valve mechanism 4 by rotating the grip lever 5. Mechanism 50 for interlocking and linking the valve mechanism 4 with the valve mechanism 4. Incorporated into interlocking mechanism M to restore pivots away open position restoring spring, B denotes an anti-drip device, which allowed equipped on the distal end side of the body a.

ボディaは、合成樹脂材または軽金属材により中空の筒状に成形してあり、基端側には、把持グリップ1が一体に連続して装設してある。その把持グリップ1は、内部に、前記ボディaに設けた誘導路uの上流側の部分が形設してあり、その部分の基端側に供給管3が接続するようにしてある。また、この把持グリップ1は、外周側に、前後の巾が広く左右の巾が狭い断面が楕円のカバー1aが被せてあって、前後に巾広で左右が巾狭の扁平な形状に形成してある。   The body a is formed into a hollow cylindrical shape from a synthetic resin material or a light metal material, and a gripping grip 1 is continuously provided integrally on the base end side. The grip 1 is formed with a portion on the upstream side of the guide path u provided in the body a, and the supply pipe 3 is connected to the base end side of the portion. In addition, the grip 1 is formed in a flat shape with an obverse cover 1a having an elliptical cross section with a wide front and rear width and a narrow left and right width on the outer peripheral side. It is.

ボディaの先端側に装備せる吐出筒2は、この例では、ボディaとは別体に成形して、その吐出筒2の基端側に形成せる拡径部2aを、ボディaの先端側に装設せる嵌合軸部bの外周にネジ嵌合により締着することで装備せしめてある。   In this example, the discharge cylinder 2 mounted on the distal end side of the body a is formed separately from the body a, and the enlarged diameter portion 2a formed on the proximal end side of the discharge cylinder 2 is formed on the distal end side of the body a. It is equipped by tightening by screw fitting on the outer periphery of the fitting shaft portion b to be installed.

弁機構4は、ボディaに設けたシーラの誘導路uに連通させてボディaの内周面に形設した弁口40と、ボディa内に前後にスライド自在に収蔵せる弁軸42の周面に設けて弁口40に対し変位自在に対向さす弁座口41とからなり、弁軸42が後方(図において右方)に動いて、弁座口41の位置が弁口40からずれると、閉弁状態となって、誘導路uにより導かれてくるシーラを弁口42の位置で阻止するようになり、弁軸42が前方に動いて、弁座口41が弁口40と接合すると、開弁状態となって、誘導路uにより導かれてくるシーラを、弁座口41から下流側誘導路u’を経て吐出筒2内に導く状態になるように構成してある。   The valve mechanism 4 includes a valve port 40 formed on the inner peripheral surface of the body a so as to communicate with a guide path u of a sealer provided in the body a, and a valve shaft 42 that is slidably stored in the body a slidably back and forth. When the valve seat 42 moves rearward (to the right in the figure) and the position of the valve seat 41 is displaced from the valve port 40, the valve seat 42 is provided on the surface and faces the valve port 40 so as to be displaceable. When the valve is closed and the sealer guided by the guide path u is blocked at the position of the valve port 42, the valve shaft 42 moves forward, and the valve seat port 41 joins the valve port 40. The sealer guided by the guide path u in the valve open state is configured to be guided into the discharge cylinder 2 from the valve seat 41 via the downstream guide path u ′.

この弁機構4の開閉弁の作動と握りレバー5の回動作動とを連動・連繋さす連繋機構Mは、ボディa内に前後にスライド自在に収蔵せる作動シャフト7と、ボビン状に形成して作動シャフト7の外周に設けた係止部材70と、握りレバー5の支軸sを越した上端部に角状に形設して前記係止部材70に係合連結した係合突起51と、作動シャフト7を後方に押し出すよう付勢する復元バネ50とにより、握りレバー5が握り込まれて、把持グリップ1側に回動すると作動シャフト7が前方に動き、握りレバー5の握り込みを解放すると、復元バネ50のバネ圧で作動シャフト7が後方に動くように構成して、作動シャフト7の前端側に弁機構4の弁軸42を一体または一体的に設けることで、握りレバー5が把持グリップ1に添う姿勢位置に回動すると弁機構4が開弁に作動し、握りレバー5の握り込みを解放すると弁機構4が閉弁に作動するように構成している。   The linkage mechanism M that links and links the operation of the on-off valve of the valve mechanism 4 and the rotation of the grip lever 5 is formed in a bobbin shape with an operating shaft 7 that can be slidably stored in the body a. A locking member 70 provided on the outer periphery of the operating shaft 7; an engagement protrusion 51 which is formed in a square shape at the upper end portion of the grip lever 5 beyond the support shaft s and engaged with the locking member 70; The gripping lever 5 is gripped by the restoring spring 50 that urges the operating shaft 7 to push backward, and when the gripping lever 1 is rotated, the operating shaft 7 moves forward to release the gripping lever 5. Then, the operating shaft 7 is configured to move backward by the spring pressure of the restoring spring 50, and the valve shaft 42 of the valve mechanism 4 is provided integrally or integrally on the front end side of the operating shaft 7, whereby the grip lever 5 is At the posture position along the grip 1 The valve mechanism 4 when the dynamic is actuated to open, the valve mechanism 4 to release the included grip grip lever 5 is configured to operate in the closing.

そして、液だれ防止装置Bは、該装置Bのポンプ装置Pを構成する部材である、内部空間をシリンダ状に形成したケーシング60を、ボディa内の先端部に収蔵せしめて嵌装し、これに摺動自在に嵌合するピストン61を、前述の作動シャフト7の前端側に設けた弁機構4の弁軸42の前端部に一体または一体的に連続させて設け、このピストン61と対向してポンプ装置Pのポンプ室pを構成する吸引ブロック62を、前記ケーシング60の前端側に装着し、この吸引ブロック62に開設した吸引・吐出口63に、吸引・吐出パイプ64を接続して設けることで、握りレバー5の回動作動により前後にスライド移動する作動シャフト7の作動によって、ピストン61がケーシング60に対し出入作動してポンプ室pが拡縮して吸引・吐出の作動を行うポンプ装置Pを構成し、これの吸引・吐出パイプ64を、ボディaの先端部に装着した吐出筒2内に配位し、該パイプ64の先端開口を、吐出筒2内において筒先の吐出口20の近傍に臨ませることで、握りレバー5の握り込みを解放して弁機構4を閉弁に作動させてシーラの吐出を停止したときに生じてくるシーラの液だれSを、ポンプ装置Pのポンプ室pに吸引して消失せしめるようにして液だれ防止装置Bを構成するようにしている。   And the dripping prevention device B is a member constituting the pump device P of the device B, and the casing 60 in which the internal space is formed in a cylinder shape is stored in the front end portion in the body a and fitted. A piston 61 slidably fitted to the front end of the valve shaft 4 of the valve mechanism 4 provided on the front end side of the operating shaft 7 is provided integrally or continuously with the piston 61 so as to face the piston 61. The suction block 62 constituting the pump chamber p of the pump device P is mounted on the front end side of the casing 60, and the suction / discharge pipe 64 is connected to the suction / discharge port 63 provided in the suction block 62. As a result, the piston 61 is moved in and out of the casing 60 by the operation of the operating shaft 7 that slides back and forth by the pivoting operation of the grip lever 5, and the pump chamber p expands and contracts, and suction and discharge are performed. The pump device P is configured to move, and the suction / discharge pipe 64 of the pump device P is arranged in the discharge cylinder 2 attached to the distal end portion of the body a. The sealer dripping S generated when the release of the grip lever 5 is released, the valve mechanism 4 is operated to close the valve, and the discharge of the sealer is stopped, The dripping prevention device B is configured to be sucked into the pump chamber p of the pump device P and disappear.

また、前述した握りレバー5の回動作動と弁機構4の開・閉弁の作動とを連繋する連繋機構Mにおいて、ボディa内に前後にスライド自在に収蔵せしめた作動シャフト7の外周面に設けたボビン状の係止部材70は、作動シャフト7に対し軸方向に摺動自在に嵌装してある。そして、その係止部材70を作動シャフト7上の所定位置に位置させたときに、その係止部材70の後面が衝合する規制部材71を、この規制部材71により作動シャフト7上における所定位置より後方へのスライドを規制し、係止部材70の前面側と、作動シャフト7の周面に設けた係合段部72との間に、前記復元バネ50よりバネ圧を強く設定したバネDを渡架装設して、このバネDで係止部材70を規制部材7に押し付けることで、係止部材70が作動シャフト7上の所定位置に係合した状態として装架させてあり、これにより、係止部材70を後方に移動させると作動シャフト7が一緒に後方に動き、前方に移動させると、バネDのバネ圧で作動シャフト7を前方に移動させるようにしてある。そして係部材70を介し作動シャフト7を前方移動させるとき、その作動シャフト7の前方移動がストップすると、バネ圧を強くしたバネDを圧縮しながら係部材70が作動シャフト7に対し前方にスライドしていくようにしてある。 Further, in the linkage mechanism M that links the pivoting operation of the grip lever 5 and the opening / closing operation of the valve mechanism 4 described above, the outer circumferential surface of the operating shaft 7 is slidably stored in the body a. The provided bobbin-shaped locking member 70 is fitted to the operating shaft 7 so as to be slidable in the axial direction. Then, when the locking member 70 is positioned at a predetermined position on the operating shaft 7, a regulating member 71 with which the rear surface of the locking member 70 abuts is moved by the regulating member 71 to a predetermined position on the operating shaft 7. A spring D that restricts further rearward sliding and has a spring pressure set stronger than that of the restoring spring 50 between the front side of the locking member 70 and the engaging stepped portion 72 provided on the peripheral surface of the operating shaft 7. the by cathodic So設, by pressing the locking member 70 to the regulating member 71 in the spring D, Yes by mounted in a state where the locking member 70 is engaged at a predetermined position on the actuating shaft 7, Thus, when the locking member 70 is moved backward, the operating shaft 7 moves backward together, and when it is moved forward, the operating shaft 7 is moved forward by the spring pressure of the spring D. And when that the actuating shaft 7 through the locking member 70 is moved forward, when the forward movement of the actuating shaft 7 is stopped, the forward locking member 70 while compressing the spring D was strongly spring pressure to the actuation shaft 7 I try to slide.

握りレバー5の握り込みを解放したときに、該握りレバー5を開放位置に向け復元回動させるための復元バネ50は、前述した如く、作動シャフト7にスライド自在に嵌装して規制部材71により装設位置よりも後方へのスライド移動が阻止させてある係止部材70の前面側とボディaとの間に、係止部材70を後方に向け押し出すように渡架装設してある。   When the grip lever 5 is released, the restoring spring 50 for restoring and rotating the grip lever 5 toward the open position is slidably fitted to the operating shaft 7 as described above, and the restricting member 71. Thus, the locking member 70 is installed between the front side of the locking member 70 that is prevented from sliding backward from the mounting position and the body a so as to push the locking member 70 backward.

これにより、握りレバー5を握り込んで、支軸s中心に把持グリップ1に添う位置に向け回動させると、該握りレバー5に設けた角状の係合突起51が前方に回動することで、これに係合するボビン状の係止部材70が前方に押し出されて作動シャフト7上をスライドして前方移動し、この係止部材70とボディaとの間に渡架張設した復元バネ50を押し縮めていく。   As a result, when the grip lever 5 is gripped and rotated toward the position along the grip grip 1 about the support shaft s, the angular engagement protrusion 51 provided on the grip lever 5 rotates forward. Then, the bobbin-shaped locking member 70 engaged therewith is pushed forward, slides on the operating shaft 7 and moves forward, and is restored by stretching between the locking member 70 and the body a. The spring 50 is pushed and contracted.

このとき、係止部材70と作動シャフト7との間に渡架張設せるバネDはバネ圧が復元バネ50のバネ圧より強いことで、作動シャフト7との間に渡架された状態のままに保持されて、作動シャフト7を前方に押し出していき、その作動シャフト7前端側に設けた弁軸42を前方に動かし弁機構4を開弁に作動させる。そして、弁軸42の前方移動がポンプ装置Pの吸引ブロック62との衝合でエンドに達し、作動シャフト7の前方移動がストップすると、引き続いて行われる握りレバー5の握り込みによる回動で、係合突起51により前方に押し出される係止部材70は、バネDを押し縮めながら作動シャフト7上をスライドして前方に移動していく。この係止部材70のバネDを押し縮めながらの前方へのスライド移動は、バネDの圧縮がエンドに達するまで行われ、それにより係止部材70の移動がストップすることで、握り込みによる握りレバー5の回動はエンドとなる。   At this time, the spring D stretched between the locking member 70 and the operating shaft 7 is in a state of being stretched between the operating shaft 7 because the spring pressure is higher than the spring pressure of the restoring spring 50. Then, the operating shaft 7 is pushed forward, the valve shaft 42 provided on the front end side of the operating shaft 7 is moved forward, and the valve mechanism 4 is opened. Then, the forward movement of the valve shaft 42 reaches the end by the abutment with the suction block 62 of the pump device P, and when the forward movement of the operating shaft 7 is stopped, the rotation by the gripping of the grip lever 5 performed subsequently is performed. The locking member 70 pushed forward by the engagement protrusion 51 slides on the operating shaft 7 while moving the spring D forward and downward. The forward sliding movement of the locking member 70 while pressing and contracting the spring D is performed until the compression of the spring D reaches the end, whereby the movement of the locking member 70 is stopped. The rotation of the lever 5 is the end.

次に、握り込んだ握りレバー5の握り込みを開放すると、係合突起51による係止部材70を前方に押し出す圧力が消失することで、係止部材70はバネDの復元力により後方に押し出され、作動シャフト7上をスライドして後方に移動し、その移動で作動シャフト7に設けた規制部材71に衝合すると、それにより作動シャフト7と係合した状態となり、以後は復元バネ50のバネ圧で作動シャフト7と一緒に後方に移動していく。そして、この係止部材70の後方移動は、作動シャフト7の後端が、ボディa内の後端側に装備せしめてある調整装置8の調整ロッド80に突き当たって作動シャフト7の後方移動がストップすることで停止し、以後、この状態位置に復元バネ50のバネ圧により保持される。そして、この係止部材70の移動作動により、握りレバー5は係合突起51の回動作動で、把持グリップ1から離れた開放位置に復元回動する。   Next, when the grip lever 5 that has been gripped is released, the pressure that pushes the locking member 70 forward by the engaging protrusion 51 disappears, and the locking member 70 is pushed backward by the restoring force of the spring D. Then, it slides on the operating shaft 7 and moves rearward, and when it moves, it collides with the regulating member 71 provided on the operating shaft 7, thereby engaging with the operating shaft 7. It moves backward together with the operating shaft 7 by the spring pressure. The rearward movement of the locking member 70 stops the rearward movement of the operating shaft 7 because the rear end of the operating shaft 7 hits the adjusting rod 80 of the adjusting device 8 mounted on the rear end side in the body a. Then, it stops and is held at this position by the spring pressure of the restoring spring 50 thereafter. Then, by the movement operation of the locking member 70, the grip lever 5 is restored and rotated to the open position away from the grip 1 by the rotation operation of the engagement protrusion 51.

このように構成しているこの実施例のシーラガンAは、弁機構4を開弁に作動させるために、握りレバー5を握り込んで行うその握りレバー5の回動作動が、復元バネ50を圧縮させながら係止部材70を前方移動させて、バネ圧の強いバネDを介して係合している作動シャフト7を一緒に前方移動させ、弁機構4を開弁作動させる前半側の回動と、開弁位置にストップしている作動シャフト7を復元バネ50のバネ圧でその位置に保持せしめた状態において、係止部材70を、バネ圧の強いバネDを押し縮めながら作動シャフト7に対してスライドさせて前方に移動させていく後半側の回動との2段階で行われるようになる。   In the sealer gun A of this embodiment configured as described above, in order to operate the valve mechanism 4 to open the valve mechanism 4, the turning operation of the grip lever 5 performed by grasping the grip lever 5 compresses the restoring spring 50. The locking member 70 is moved forward while moving the operating shaft 7 engaged via the spring D having a strong spring pressure together, and the first half of the valve mechanism 4 is opened. In a state where the operating shaft 7 stopped at the valve opening position is held at that position by the spring pressure of the restoring spring 50, the locking member 70 is pressed against the operating shaft 7 while compressing the spring D having a strong spring pressure. It is performed in two stages, that is, the second half side rotation that is slid and moved forward.

このため、握りレバー5をそれの回動のエンド位置まで固く握り込んでシーラの塗布作業を行っている作業中において、握りなおすために、握りを緩めたときの握りレバー5の少しの復元回動が、作動シャフト7に対し係止部材70がスライドする後半側の回動範囲内で行えるようになって、握りなおしの操作が、弁機構4を確実に開弁に保持した状態で手軽に行えるようになる。   For this reason, during the operation of applying the sealer by firmly grasping the grip lever 5 to the end position of its rotation, a slight restoration of the grip lever 5 when the grip is loosened for re-gripping. The movement can be performed within the rotation range on the second half side where the locking member 70 slides with respect to the operating shaft 7, and the re-gripping operation can be easily performed while the valve mechanism 4 is securely held open. You can do it.

図4は、別の実施例のシーラガンの縦断側面図を示している。この実施例は、握りレバー5は、先端側の握り部5aと基端側の主体部5bとに2分してそれぞれ別体に形成し、先端側の握り部5aを基端側の主体部5bに対し、把持グリップ1に向かう方向に折曲回動自在に連結し、それらの間に、直列に連続する状態姿勢となるようバネDを渡架しておくが、そのバネは、握りレバー5を復元回動させる復元バネ50よりバネ圧を強くしたバネDを用いておくことで、握りレバー5を握り込むときの該握りレバー5の回動作動が、基端側の主体部5bと先端側の握り部5aとが一体に連続する状態で、復元バネ50を圧縮しながら行われる前半側の回動と、作動シャフト7のスライドのストップにより基端側の主体部5bの回動がストップして先端側の握り部5aがバネ圧の強いバネDを圧縮しながら主体部5bに対し折曲回動する後半側の回動との2段に行われるようにしている例である。   FIG. 4 shows a vertical side view of a sealer gun according to another embodiment. In this embodiment, the grip lever 5 is divided into a grip part 5a on the distal end side and a main body part 5b on the proximal end side, which are separately formed, and the grip part 5a on the distal end side is formed on the main body part on the proximal end side. 5b is connected so as to be able to be bent and rotated in the direction toward the grip 1, and a spring D is bridged between them so as to be in a continuous posture in series. By using the spring D having a spring pressure stronger than the restoring spring 50 that restores and rotates the grip 5, the grip lever 5 is rotated when the grip lever 5 is gripped. In the state where the distal end side grip portion 5a is integrally continuous, the first half side rotation performed while compressing the restoring spring 50 and the rotation of the base end side main portion 5b due to the sliding stop of the operation shaft 7 are performed. The grip part 5a on the tip side stops and compresses the spring D having a strong spring pressure. To the body portion 5b is an example that is to be performed in two stages of the rotation of the second half side of the bending rotation.

この図4に示している実施例のシーラガンAは、基本的な構成については前述の図3に示している実施例1のシーラガンと変わりがなく、同じ構成部材については同じ符号を付している。即ち、図4において、aはボディで、中空の筒状に成形してあって、基端側には、把持グリップ1が装設してあり、先端側には吐出筒2が設けてある。把持グリップ1の内部及びボディaの底部には、把持グリップ1の基端部に接続する供給管3で供給されてくるシーラをボディaの先端側の吐出筒2内に導く誘導路uが形設してある。また、ボディaの内腔で、先端側に寄る部位には、前記誘導路uを経て導かれてくるシーラの吐出筒2内に対する供給を断・接制御する弁機構4が収蔵され、ボディa内腔の中央部位には、弁機構4と、把持グリップ1の前面側に配位して支軸sにより前後に回動自在に軸支してある握りレバー5とを連繋する連繋機構Mが収蔵してある。   The sealer gun A of the embodiment shown in FIG. 4 is the same as the sealer gun of the first embodiment shown in FIG. 3 with respect to the basic configuration, and the same reference numerals are given to the same components. . That is, in FIG. 4, a is a body, which is formed in a hollow cylindrical shape, and a grip grip 1 is provided on the proximal end side, and a discharge cylinder 2 is provided on the distal end side. A guide path u that guides the sealer supplied by the supply pipe 3 connected to the base end of the grip 1 into the discharge cylinder 2 on the distal end side of the body a is formed in the grip 1 and the bottom of the body a. It is set up. In addition, a valve mechanism 4 that stores and controls the supply of the sealer guided through the guide path u to the inside of the discharge cylinder 2 is stored in a portion of the lumen of the body a that is closer to the distal end. In the central part of the lumen, there is a linkage mechanism M that links the valve mechanism 4 and a grip lever 5 that is positioned on the front side of the grip 1 and pivotally supported by the support shaft s so as to be pivotable back and forth. Stored.

この連繋機構Mは、軸方向に長いシャフト状に形成して軸方向を前後方向に沿う姿勢としてボディa内に前後にスライド自在に収蔵せしめた作動シャフト7と、それの周面に固着装設したボビン状の係止部材70と、握りレバー5の上端部に角状に突設して前記係止部材70に係合させた係合突起51と、作動シャフト7を後方に押し出すようボディaと係止部材70との間に渡架張設した復元バネ50と、作動シャフト7の前端側に一体的に接続させて設けた弁機構4の弁軸42とで構成され、握りレバー5を握り込むと、それにより回動する係合突起51が係止部材70を復元バネ50のバネ圧に抗して前方に押し出し、作動シャフト7を前方移動させ、弁機構4の弁軸42に設けた弁座口41をボディaの内周側に設けた弁口40に合致させて、弁機構4を開弁に作動させ、握りレバー5の握り込みを開放すると、復元バネ50の復元力で、作動シャフト7が後方に移動し、係止部材70、係合突起51の作動で握りレバー5が把持グリップ1から離れた開放位置に復元回動するように連繋させてある。   The linking mechanism M is formed in a shaft shape that is long in the axial direction, and the operating shaft 7 is slidably stored in the body a so as to be slidable back and forth in a posture along the front and rear direction. The bobbin-shaped locking member 70, the engaging protrusion 51 projecting angularly from the upper end of the grip lever 5 and engaged with the locking member 70, and the body a so as to push the operating shaft 7 backward. And a locking spring 70 and a restoring spring 50 stretched between the locking member 70 and a valve shaft 42 of the valve mechanism 4 integrally connected to the front end side of the operating shaft 7. When gripped, the engaging protrusion 51 that rotates thereby pushes the locking member 70 forward against the spring pressure of the restoring spring 50, moves the operating shaft 7 forward, and is provided on the valve shaft 42 of the valve mechanism 4. The valve seat 41 is aligned with the valve port 40 provided on the inner peripheral side of the body a. Then, when the valve mechanism 4 is operated to open and the grip lever 5 is released, the operating shaft 7 is moved rearward by the restoring force of the restoring spring 50, and the locking member 70 and the engaging protrusion 51 are moved. In operation, the grip lever 5 is linked so as to be restored and rotated to an open position away from the grip grip 1.

しかし、握りレバー5は、把持グリップ1とともに握り込むときに掌の指をかける先端側の握り部5aと、支軸s中心に回動する基端側の主体部5bとに2分してそれぞれを別体に形成してあって、その先端側の握り部5aを、基端側の主体部5bに対し、前記支軸sと平行する連結軸52により、把持グリップ1に向かう方向に沿い折曲回動自在に連結させてあり、かつ、この握り部5aと主体部5bとの間に、前記復元バネ50より強いバネ圧のバネDを、トーションバネに形成して握り部5aが主体部5bと直列に連続する状態姿勢となるように付勢するように渡架装設してある。そして、基端側の主体部5bの支軸s中心とする回動作動は、握りレバー5が握り込みの解放により復元バネ50で復元回動している状態位置を基点とし、その位置から把持グリップ1に近接していく方向に回動していくときの回動範囲を、係合突起51を介して連繋する作動シャフト7が、弁機構4を開弁に作動させた状態位置までに規制し、作動シャフト7が弁機構5を開弁させた位置でストップしたところで、この主体部5bの前記方向の回動作動が停止するようにしてある。   However, the grip lever 5 is divided into two parts: a grip portion 5a on the distal end side where a finger of the palm is applied when gripping with the grip grip 1, and a main portion 5b on the proximal end side that rotates about the support shaft s. The grip part 5a on the distal end side is folded along the direction toward the grip grip 1 by the connecting shaft 52 parallel to the support shaft s with respect to the main body part 5b on the proximal end side. A spring D having a spring pressure stronger than that of the restoring spring 50 is formed in the torsion spring between the grip portion 5a and the main portion 5b so that the grip portion 5a is the main portion. The bridge is installed so as to be energized so as to be in a state posture continuous in series with 5b. Then, the rotation operation around the support shaft s of the base portion 5b on the base end side is grasped from the position where the grip lever 5 is restored and rotated by the restoring spring 50 by releasing the grip. The rotation range when rotating in the direction approaching the grip 1 is restricted to a position where the operation shaft 7 linked via the engagement protrusion 51 operates the valve mechanism 4 to open the valve. When the operating shaft 7 stops at the position where the valve mechanism 5 is opened, the rotation of the main body 5b in the direction is stopped.

この主体部5bの回動を、弁機構4に開弁作動を行わせたところで停止させる規制手段は、主体部5bがその状態位置まで回動したときに該主体部5bが突き当たるロック部材を把持グリップ1の側に付設しておくことで足りるが、この例においては、作動シャフト7の前端側が、液だれ防止装置Bのポンプ装置Pの吸引ブロック62に突き当たってストップすることを利用し、これで規制するようにしている。   The restricting means for stopping the rotation of the main body portion 5b when the valve mechanism 4 performs the valve opening operation grips the lock member against which the main body portion 5b abuts when the main body portion 5b rotates to its position. In this example, the front end side of the operating shaft 7 abuts against the suction block 62 of the pump device P of the dripping prevention device B and stops. To regulate.

また、先端側の握り部5aの基端側の主体部5bに対する連結軸52中心とする回動は、握りレバー5を握り込む作動で、主体部5bの回動がロックされた状態時から開始し、握り部5aの内壁面が主体部5bに設けた規制片53に衝合して停止するまで行われる。   Further, the rotation of the grip part 5a on the distal end side with respect to the main body part 5b on the base end side starts from the state in which the rotation of the main body part 5b is locked by the operation of grasping the grip lever 5. Then, the process is performed until the inner wall surface of the grip portion 5a abuts on the restriction piece 53 provided on the main body portion 5b and stops.

握り部5aは、それの上端側に、主体部5bの把持グリップ1に対し外側に位置する外板54の前面に当接する当板55を設けて、この当板55が主体部5bの外板54外面に当接することで、該握り部5aの主体部5bに対する外側への回動が阻止され、また、主体部5bと握り部5aとの間に渡架するバネDにより、この当板55が外板54に当接して外側回動が停止した位置に保持せしめてある。   The grip portion 5a is provided at its upper end with a contact plate 55 that abuts the front surface of the outer plate 54 positioned on the outer side with respect to the grip 1 of the main portion 5b, and this contact plate 55 is the outer plate of the main portion 5b. By abutting the outer surface of the grip portion 54, the grip portion 5a is prevented from rotating outwardly with respect to the main portion 5b. The spring plate D is interposed between the main portion 5b and the grip portion 5a. Is in contact with the outer plate 54 and held at a position where the outer rotation is stopped.

なお、バネDは、この例では、トーションバネを用いているが、板バネ等の適宜のバネ材を用いてよい。   In addition, although the spring D uses the torsion spring in this example, you may use appropriate spring materials, such as a leaf | plate spring.

この実施例のシーラガンAは、握りレバー5を握り込むと、握りレバー5は、弁機構4を開弁作動させるまでは、主体部5bと握り部5aとがバネDのバネ圧で一体的に連結して一緒に回動するが、弁機構4を開弁作動させた後は、主体部5bは回動せず、握り部5aだけがバネDのバネ圧に抗して回動し、該握り部5aの内壁面が規制片53に衝合して停止まで回動するようになる。そして、この握りレバー5を握り込みにより回動させて弁機構4を開弁作動させるときに行われる握り部5aの主体部5bに対する回動は、握り部5aがバネDのバネ圧に抗して主体部5bに対し折曲回動することで、弁機構4をバネDのバネ圧で開弁の状態位置に保持し続ける状態で行われるようになる。   In the sealer gun A of this embodiment, when the grip lever 5 is gripped, the main body portion 5b and the grip portion 5a are integrated with the spring pressure of the spring D until the valve mechanism 4 is opened. However, after the valve mechanism 4 is opened, the main body 5b does not rotate, and only the grip 5a rotates against the spring pressure of the spring D. The inner wall surface of the grip portion 5a comes into contact with the regulating piece 53 and rotates until it stops. Then, the rotation of the grip portion 5a with respect to the main portion 5b, which is performed when the grip mechanism 5 is rotated by gripping to open the valve mechanism 4, the grip portion 5a resists the spring pressure of the spring D. By bending and rotating with respect to the main body portion 5b, the valve mechanism 4 is kept in the open position by the spring pressure of the spring D.

このため、握りレバー5の握り込みを握りなおすために、握り込みを緩めると、主体部5bは回動せず握り部5aだけが、主体部5bに対し回動するようになるので、弁機構4の作動に変化を生ぜしめずに、握りなおしが行えるようになる。   For this reason, when the grip is loosened to re-grip the grip lever 5, the main body portion 5b does not rotate but only the grip portion 5a rotates relative to the main body portion 5b. It becomes possible to re-grip without causing a change in the operation of 4.

図5・図6は別の実施例を示している。   5 and 6 show another embodiment.

この例は、握りレバー5の握り込みにより、作動シャフト7をスライド作動させることで、弁機構4を開弁させるときの握りレバー5の回動作動を、復元バネ50のバネ圧に抗して作動シャフト7を開弁位置に押し込んでいく前半側の回動作動と、弁機構4を開弁に作動させた状態に保持せしめて、復元バネ50よりバネ圧を強く設定したバネDを圧縮しながら作動シャフト7をさらに押し込んでいく後半側の回動と、の2段に作動させ、この強いバネDを圧縮していく後半側の回動範囲で、握りなおしのための握り込みの緩め回動が行えるようにしている例である。   In this example, the gripping lever 5 is slid to actuate the slide of the operating shaft 7, so that the turning operation of the gripping lever 5 when the valve mechanism 4 is opened is resisted against the spring pressure of the restoring spring 50. The first half of the rotary operation that pushes the operating shaft 7 into the valve opening position, and the valve mechanism 4 is held in the opened state, and the spring D that is set stronger than the restoring spring 50 is compressed. In the latter half of the rotation range where the strong spring D is compressed by operating in the second half of the second half, which pushes the operating shaft 7 further, while loosening the grip for re-grip. This is an example of enabling the movement.

この例のシーラガンは、それの基本的な構成については、前述した実施例1のものと変わりがなく、ボディaの後半側には把持グリップ1が設けられ、その把持グリップ1の前面には、弁機構4に開弁・閉弁の作動を行うための握りレバー5が軸支されている。   The basic structure of the sealer gun of this example is the same as that of the first embodiment described above, and a grip grip 1 is provided on the rear side of the body a. A grip lever 5 for opening and closing the valve mechanism 4 is pivotally supported.

そして、その握りレバー5の弁機構4に対する連繋は、ボディa内には作動シャフト7を、軸方向にスライド自在に収蔵せしめ、その作動シャフト7の前端側に弁機構4の弁軸42を、一体または一体的に連続させて設けて、その作動シャフト7の周面に設けたボビン状の係止部材70とボディaの内周面に設けた係止部10との間に渡架せる復元バネ50により後方に押し出すよう付勢しておき、握りレバー5には、作動シャフト7に設けた前記係止部材70と係合する係合突起51を設けて、この係合突起51と前記係止部材70とからなる連繋機構Mで握りレバー5と作動シャフト7を連繋することで、握りレバー5を握り込むと、それにより回動する握りレバー5の回動方向と逆方向に回動する係合突起51の作動で係止部材70が復元バネ50を押し縮めながら前方に動いて作動シャフト7とともに弁軸42を前方にスライドさせ、弁軸42の周面に設けた弁座口41がボディaの内周面に設けた弁口40と接合して開弁に作動し、握りレバー5の握り込みを放すと、作動シャフト7と弁軸42とが復元バネ50の復元力で後方に動いて、弁軸42に設けた弁座口41が弁口40から外れた位置に動き、閉弁に作動させるようにしてある、こと前述した実施例のものと変わりがない。   The connection of the grip lever 5 to the valve mechanism 4 is as follows. The operating shaft 7 is stored in the body a so as to be slidable in the axial direction, and the valve shaft 42 of the valve mechanism 4 is provided on the front end side of the operating shaft 7. Restoration which is provided integrally or continuously and can be bridged between a bobbin-like locking member 70 provided on the peripheral surface of the operating shaft 7 and a locking portion 10 provided on the inner peripheral surface of the body a. The handle 50 is urged to be pushed backward by the spring 50, and the grip lever 5 is provided with an engagement protrusion 51 that engages with the locking member 70 provided on the operating shaft 7, and the engagement protrusion 51 and the engagement lever 51 are engaged. By connecting the grip lever 5 and the operating shaft 7 by the connecting mechanism M including the stop member 70, when the grip lever 5 is gripped, the grip lever 5 is rotated in a direction opposite to the rotation direction of the grip lever 5. The locking member 70 is moved by the operation of the engaging protrusion 51. The valve spring 42 is moved forward with the operating shaft 7 while the original spring 50 is being compressed, and the valve seat 40 provided on the peripheral surface of the valve shaft 42 is provided on the inner peripheral surface of the body a. When the grip lever 5 is released and the gripping lever 5 is released, the operating shaft 7 and the valve shaft 42 move rearward by the restoring force of the restoring spring 50, and the valve seat opening provided in the valve shaft 42 41 is moved to a position deviated from the valve port 40 and is operated to close the valve, which is the same as that of the above-described embodiment.

しかし、この例においては、作動シャフト7の前端側に設ける弁軸42は、作動シャフト7とは別体の筒状に形成して、作動シャフト7の前端部に形設した拡径軸部7aの外周に軸方向に可動に嵌装し、その筒状の弁軸42の後端側には、作動シャフト7の拡径軸部7aの脱出を阻止する係止片42aを植設し、前端側には、ボディa内に収蔵せしめる液だれ防止装置Bのポンプ装置Pのピストン61を一体的に連結してあり、これにより筒状の弁軸42内に嵌合する作動シャフト7の拡径部7aが、ピストン61の内面と係止片42aとの間を一定の距離だけ自在に摺動するようにしてある。   However, in this example, the valve shaft 42 provided on the front end side of the operating shaft 7 is formed in a cylindrical shape that is separate from the operating shaft 7 and is formed at the front end portion of the operating shaft 7. A locking piece 42a for preventing escape of the enlarged shaft portion 7a of the operating shaft 7 is planted on the rear end side of the cylindrical valve shaft 42 so as to be movable in the axial direction on the outer periphery of the front end. On the side, the piston 61 of the pump device P of the dripping prevention device B stored in the body a is integrally connected, whereby the diameter of the operating shaft 7 fitted into the cylindrical valve shaft 42 is increased. The part 7a slides freely between the inner surface of the piston 61 and the locking piece 42a by a fixed distance.

そして、この作動シャフト7の前端の拡径軸部7aは、内部に後方に向かう穴hを形設して、この穴h内に、拡径部7aをピストン61の内面から後方に押し出すよう、復元バネ50よりもバネ圧を強く設定したバネDを装設し、これにより弁軸42と拡径軸部7aを一体的に係合させている。   The diameter-enlarging shaft portion 7a at the front end of the operating shaft 7 is formed with a hole h toward the rear, and the diameter-enlarged portion 7a is pushed backward from the inner surface of the piston 61 into the hole h. A spring D in which the spring pressure is set stronger than that of the restoring spring 50 is installed, whereby the valve shaft 42 and the enlarged diameter shaft portion 7a are integrally engaged.

なお、図5・図6において、60は、内周面をシリンダ状に形成して、筒状のボディaの内側に嵌装したポンプ装置Pのケーシング、6aは、前記ケーシング60を後方に延長するようにボディa内に嵌装したスプリングカラー、Pは、前記弁軸42の前端に設けたピストン61と、シリンダ状のケーシング60と、そのケーシング60の前端に設けた吸引ブロック62と、その吸引ブロック62の後面と前記ピストン61の前面との間に形成される拡縮するポンプ室pと、そのポンプ室pに接続する吸引・吐出パイプ64とからなるポンプ装置を示す。このポンプ装置Pは、拡縮するポンプ室pに接続する吸引・吐出パイプ64の先端開口を、吐出筒2の吐出筒2内において、その筒先の吐出口20の近傍位置に臨ませてあり、握りレバー5の握り込みの解放作動で、弁軸42が作動シャフト7と共に後方に動いて、弁座口41が弁口40と接合する位置から後方にずれて、弁機構4を閉弁に作動させたときに、弁軸42と共にピストン61が図5にあるよう後方に動いてポンプ室pを拡張させて吸引作動を行い、閉弁時に吐出筒2の筒先に生じてくるシーラの液だれを、吸引・吐出パイプ64を経てポンプ室pに向け引き込み、液だれを消失せしめる液だれ防止装置Bを構成している。   5 and 6, reference numeral 60 denotes a casing of the pump device P having an inner peripheral surface formed in a cylindrical shape and fitted inside the cylindrical body a, and 6 a extends the casing 60 rearward. The spring collar P fitted in the body a is composed of a piston 61 provided at the front end of the valve shaft 42, a cylindrical casing 60, a suction block 62 provided at the front end of the casing 60, and 1 shows a pump device comprising a pump chamber p that expands and contracts formed between the rear surface of a suction block 62 and the front surface of the piston 61, and a suction / discharge pipe 64 connected to the pump chamber p. The pump device P has a suction / discharge pipe 64 connected to an expanding / contracting pump chamber p with the tip opening facing the position near the discharge port 20 at the end of the discharge cylinder 2 of the discharge cylinder 2. With the release operation of the lever 5, the valve shaft 42 moves rearward together with the operation shaft 7, and the valve seat 41 moves backward from the position where the valve seat 40 joins the valve 40, and the valve mechanism 4 is operated to close the valve. When the valve 61 is closed, the piston 61 moves rearward as shown in FIG. 5 to expand the pump chamber p and perform a suction operation. A liquid dripping prevention device B is constructed which draws in the pump chamber p through the suction / discharge pipe 64 and eliminates liquid dripping.

この実施例のシーラガンは、握りレバー5を握り込んでいくときの作動及び握りレバー5の握り込みを解放していくときの作動が、次のようになる。   In the sealer gun of this embodiment, the operation when the grip lever 5 is gripped and the operation when the grip lever 5 is released are as follows.

握りレバー5を握り込んでいくときは、まず、復元バネ50を押し縮めながら作動シャフト7を前方に押し出す。これにより、復元バネ50よりも強いバネ圧のバネDで作動シャフト7前端の拡径軸部7aに連繋している弁軸42とピストン61が前方に動いて、弁軸42に設けた弁座口41が弁口40と接続連通して、弁機構4を開弁の状態とする。   When the grip lever 5 is gripped, first, the operating shaft 7 is pushed forward while the restoring spring 50 is compressed. As a result, the valve shaft 42 and the piston 61 connected to the enlarged shaft portion 7a at the front end of the operating shaft 7 are moved forward by the spring D having a spring pressure stronger than the restoring spring 50, and the valve seat provided on the valve shaft 42 The port 41 communicates with the valve port 40 to open the valve mechanism 4.

この状態から握りレバー5をさらに握り込んでいくと、弁軸42とピストン61はさらに前方に移動する。この前方移動は、ピストン61の前面側が吸引ブロック62の後面側に突き当たってストップするまで続けられる。この弁軸42の移動は、弁軸42の周面に設ける弁座口41を、軸方向の巾が広くなるように形成していることで、弁座口41が弁口40に接合した開弁状態を保持した状態で行われる。この作動シャフト7の拡径軸部7aの動きがストップすることにより握りレバー5の握り込みの回動がストップし、握り込み作動はエンドとなる。   When the grip lever 5 is further gripped from this state, the valve shaft 42 and the piston 61 move further forward. This forward movement is continued until the front side of the piston 61 comes into contact with the rear side of the suction block 62 and stops. The movement of the valve shaft 42 is achieved by forming the valve seat 41 provided on the peripheral surface of the valve shaft 42 so that the width in the axial direction is wide, so that the valve seat 41 is joined to the valve 40. This is performed while maintaining the valve state. When the movement of the enlarged diameter shaft portion 7a of the operation shaft 7 is stopped, the gripping lever 5 is stopped from being turned, and the gripping operation is ended.

次に握りレバー5の握り込みを緩めていくと、まず、強いバネDが伸び出して拡径部7aが弁軸42に設けた係止片42aに突き当たるまで、作動シャフト7だけを後方に移動させる。この作動シャフト7の移動の間、弁軸42とピストン61は、バネDのバネ圧で前方に移動した位置に保持される。さらに握り込みを緩めていくと、バネDと係止片42aとにより拡径部7aと連結状態にあるピストン61と弁軸42とが、作動シャフト7と共に、後方に動いて、弁機構4を閉弁に作動させるようになる。   Next, when the gripping lever 5 is loosened, only the operating shaft 7 is moved backward until the strong spring D extends and the enlarged diameter portion 7a hits the locking piece 42a provided on the valve shaft 42. Let During the movement of the operating shaft 7, the valve shaft 42 and the piston 61 are held at a position moved forward by the spring pressure of the spring D. When the grip is further loosened, the piston 61 and the valve shaft 42, which are connected to the enlarged diameter portion 7a by the spring D and the locking piece 42a, move rearward together with the operation shaft 7, and the valve mechanism 4 is moved. It comes to be actuated to close the valve.

このことから、この実施例手段のものは、握りレバー5を握りなおすための握り込みを緩める操作作動が、弁機構4を開弁に保持せしめた状態で行えるようになる。   Therefore, in this embodiment means, the operation for loosening the grip for re-gripping the grip lever 5 can be performed with the valve mechanism 4 held open.

図7・図8は、さらに別の実施例を示している。この実施例は、前述の実施例3の変形例である。この例は、握りレバー5を握り込みにより、握り込み方向に回動させて弁機構4を開弁させる作動が、復元バネ50を圧縮させながら作動シャフト7を動かし、その作動シャフト7に装着支持せしめた弁機構4の弁軸42を開弁位置に動かす握りレバー5の前半側の回動作動と、その弁軸42を開弁位置に保持せしめた状態で復元バネ50よりバネ圧を強くした第2のバネDを押し縮めながら作動シャフト7だけを前方に動かす握りレバー5の後半側の回動とで行われるようにしていることは、前述の実施例3と同様であるが、復元バネ50より強いバネ圧に設定して作動シャフト7に作用させるバネDの装設位置を変えている例である。   7 and 8 show still another embodiment. This embodiment is a modification of the above-described third embodiment. In this example, the operation of opening the valve mechanism 4 by rotating the grip lever 5 by gripping the grip lever 5 moves the operating shaft 7 while compressing the restoring spring 50, and supports the mounting on the operating shaft 7. The spring pressure is made stronger than the restoring spring 50 in the state that the gripping lever 5 is moved to the valve opening position and the grip lever 5 is rotated in the first half and the valve shaft 42 is held in the valve opening position. Similar to the third embodiment described above, the restoring spring is configured such that the second spring D is rotated by the second half side of the grip lever 5 that moves only the operating shaft 7 forward while pushing and contracting the second spring D. This is an example in which the installation position of the spring D set to a spring pressure higher than 50 and applied to the operating shaft 7 is changed.

即ち、前述の実施例3では、ポンプ装置Pのピストン61と一体に連続する筒状形成した弁軸42を、作動シャフト7と別体に形成し、これを作動シャフト7の前端側に形成した拡径部7aの外周に嵌装して、筒状の弁軸42に対し、作動シャフト7の拡径部7aが、筒状の弁軸42の後端に設けた係止片42aに突き当たるまでの間をスライドするようにしておいて、弁軸42と一体に連結するピストン61の内面と拡径部7aとの間に第2のバネであるバネ圧の強いバネDを設けている。   That is, in the above-described third embodiment, the cylindrically formed valve shaft 42 that is continuous with the piston 61 of the pump device P is formed separately from the operating shaft 7, and is formed on the front end side of the operating shaft 7. Fitting to the outer periphery of the enlarged diameter portion 7 a until the enlarged diameter portion 7 a of the operating shaft 7 abuts against a locking piece 42 a provided at the rear end of the cylindrical valve shaft 42 with respect to the cylindrical valve shaft 42. A spring D having a strong spring pressure, which is a second spring, is provided between the inner surface of the piston 61 integrally connected to the valve shaft 42 and the enlarged diameter portion 7a.

これに対し、この実施例では、作動シャフト7の前端側は拡径軸部7aを設けずに同径で連続する軸杆状の嵌合軸部7bに形成して、ポンプ装置Pのピストン61が蓋状に連続する有底の筒状に形成した弁軸42内に摺動自在に嵌挿して、その作動シャフト7の前端の軸芯部に植設したピン状の連繋金具gを、ピストン61の軸芯部に開設した透孔を介しピストン61の前面側に突出させ、その連繋金具gの突出端部に、抜け止めの止め金具7cを設けることで、筒状の弁軸42が連繋金具gにより規制された一定の距離dを作動シャフト7に対し動くようにしておく。そして、バネ圧の強い第2のバネDは、筒状の弁軸42の後端と、作動シャフト7の周面に設けた係止片kとの間に設けるようにしている。   On the other hand, in this embodiment, the front end side of the operating shaft 7 is not provided with the enlarged-diameter shaft portion 7a but is formed as a shaft shaft-like fitting shaft portion 7b having the same diameter, and the piston 61 of the pump device P is formed. Is inserted into a valve shaft 42 formed in a cylindrical shape with a bottom that is continuous in a lid shape and is slidably inserted, and a pin-shaped connecting fitting g planted on the shaft core portion of the front end of the operating shaft 7 is connected to a piston. The cylindrical valve shaft 42 is connected by projecting to the front side of the piston 61 through a through-hole formed in the shaft core portion 61, and providing a stopper metal fitting 7c for preventing the connection at the protruding end portion of the connecting metal fitting g. A fixed distance d regulated by the metal fitting g is moved with respect to the operating shaft 7. The second spring D having a strong spring pressure is provided between the rear end of the cylindrical valve shaft 42 and a locking piece k provided on the peripheral surface of the operating shaft 7.

この実施例は、握りレバー5を握り込んでいくと、その握りレバー5の握り込み回動の前半では、復元バネ50を押し縮めながら、作動シャフト7と弁軸42およびピストン61が前方に動き、それにより、ピストン61が吸引ブロック62に突き当たり、ピストン61と弁軸42の動きがストップすると、強いバネDを押し縮めながら作動シャフト7が前方に動き、そのシャフト7の前端がピストン61に衝合してストップすることで握りレバー5の握り込みの回動がエンドになって、前述の実施例3と同様に握りレバー5の握り込みの回動が、復元バネ50を押し縮めていく前半側の回動とバネ圧の強いバネDを押し縮めていく後半側の回動との2段に行われるようになる。   In this embodiment, when the grip lever 5 is gripped, the operating shaft 7, the valve shaft 42, and the piston 61 move forward while the restoring spring 50 is compressed in the first half of the grip lever 5. As a result, when the piston 61 hits the suction block 62 and the movement of the piston 61 and the valve shaft 42 stops, the operating shaft 7 moves forward while pressing and contracting the strong spring D, and the front end of the shaft 7 collides with the piston 61. By stopping together, the rotation of the grip lever 5 is ended, and the rotation of the grip lever 5 as in the third embodiment described above pushes and retracts the restoring spring 50 in the first half. The rotation is performed in two stages, that is, the rotation on the side and the rotation on the second half side where the spring D having a strong spring pressure is compressed.

そして、握りレバー5の握り込みを放していくときの作動は、まず、バネ圧の強いバネDが伸び出して、ピストン61及び弁軸42とを押し込んだ位置に保持して作動シャフト7だけを後方にスライドさせ、それによりピストン61及び弁軸42が作動シャフト7に係合したところで、復元バネ50により作動シャフト7とピストン61及び弁軸42とが一緒に後方に移動させるように2段に作用するようになる。   Then, when releasing the grip lever 5, first, the spring D having a strong spring pressure is extended, and the piston 61 and the valve shaft 42 are held in the pushed-in positions, and only the operation shaft 7 is held. When the piston 61 and the valve shaft 42 are engaged with the operating shaft 7 by sliding backward, the restoring shaft 50 causes the operating shaft 7, the piston 61 and the valve shaft 42 to move rearward together in two stages. Comes to work.

このため、握りレバー5を握りなおすために握り込みを緩める作動が、バネDを伸び出させる作動の範囲で行えて、弁機構4を閉弁させることなく握りなおせるようになる。   For this reason, the operation of loosening the grip to re-grip the grip lever 5 can be performed within the range of the operation of extending the spring D, and the valve mechanism 4 can be gripped again without closing.

図9・図10は別の実施例を示す。この例は、前述の実施例4の変形例である。弁機構4の弁軸42は、作動シャフト7とは別体の筒状に形成して、その弁軸42の前端側の開口端に液だれ防止装置Bのポンプ装置Pのピストン61を、盲蓋状に一体に連続させて取り付け、このピストン61と一体の弁軸42の内腔に作動シャフト7の前端側に形成した軸杆状の嵌合軸部7bを摺動自在に嵌挿し、その嵌合軸部7bの前端に突設したピン状の連繋金具gの突出端側を、ピストン61の軸芯部に開設した透孔に摺動自在に挿通して、突出端に抜け止めの止め金具7cを設けることで、ピストン61と一体に連続する弁軸42が作動シャフト7に対し、ピン状の連繋金具gの長さにより規制された一定の距離dだけスライドするようにしておいて、作動シャフト7とボディaとの間に復元バネ50を渡架装設し、作動シャフト7の周面に設けた係止片kと筒状とした弁軸42の後端面との間に前記復元バネ50よりバネ圧を強くしたバネDを渡架装設して、握りレバー5を握り込んでいくときの作動が、復元バネ50を圧縮していく前半側の回動と、バネ圧を強くしたバネDを圧縮していく後半側の回動との2段に行われるようにしていることについては前述の実施例4と変わりがない。   9 and 10 show another embodiment. This example is a modification of the above-described fourth embodiment. The valve shaft 42 of the valve mechanism 4 is formed in a cylindrical shape separate from the operating shaft 7, and the piston 61 of the pump device P of the dripping prevention device B is blindly attached to the opening end on the front end side of the valve shaft 42. A lid is integrally and continuously attached, and a shaft shaft-like fitting shaft portion 7b formed on the front end side of the operating shaft 7 is slidably inserted into the lumen of the valve shaft 42 integral with the piston 61. The protruding end side of the pin-shaped connecting fitting g protruding from the front end of the fitting shaft portion 7b is slidably inserted into the through hole formed in the shaft core portion of the piston 61, and the protruding end is prevented from being detached. By providing the metal fitting 7c, the valve shaft 42 that is continuous with the piston 61 slides with respect to the operating shaft 7 by a certain distance d regulated by the length of the pin-like connecting metal g. A restoring spring 50 is installed between the operating shaft 7 and the body a, and the operating shaft is A spring D having a spring pressure stronger than that of the restoring spring 50 is installed between the locking piece k provided on the peripheral surface 7 and the rear end surface of the cylindrical valve shaft 42 so that the grip lever 5 is The operation when grasping is performed in two stages, that is, the first half of the rotation for compressing the restoring spring 50 and the second half of the rotation for compressing the spring D with increased spring pressure. This is the same as the fourth embodiment.

しかし、この実施例5は、ピストン61と一体に連続させて成形した弁軸42の内腔に、摺動自在に嵌挿せしめる作動シャフト7の前端側に形成した軸杆状の嵌合軸部7bを、それの周面に弁軸42に設けた弁座口41と連通するシーラの誘導路u’を設けて、弁機構4より下流側の誘導路uの構成部材に利用している点において前述の実施例4と相違する構成としたシーラガンである。   However, in this fifth embodiment, the shaft shaft-like fitting shaft portion formed on the front end side of the operating shaft 7 slidably fitted into the inner cavity of the valve shaft 42 formed integrally with the piston 61 is slidable. 7b is used as a constituent member of the guide path u downstream of the valve mechanism 4 by providing a sealer guide path u ′ communicating with the valve seat 41 provided on the valve shaft 42 on the peripheral surface thereof. The sealer gun has a configuration different from that of the fourth embodiment.

図11・図12は、弁軸42を作動シャフト7とは別体に形成し、かつ、その弁軸42を筒状に形成して、前端側にポンプ装置Pのピストン61を一体に連続させて設けておき、この弁軸42の内腔に、作動シャフト7の前端部を摺動自在に嵌挿し、その摺動範囲を作動シャフト7の前端部に設けたピン状の連繋金具gにより規制するときの、そのピン状の連繋金具gを植設するときの、そのピン状の連繋金具gの変形例を示している。ピン状の連繋金具gは、作動シャフト7とは別体のネジ軸に形設してあって、作動シャフト7の前端部を弁軸42の内腔に嵌挿した状態において、ピストン61の外側からピストン61の中心部に開設した透孔を介して先端側を挿し込み、作動シャフト7の前端面に先端のネジ部を螺合して取り付け、これにより、作動シャフト7の前方移動で、その作動シャフト7の前端部の端面がピストン61の後面側に突き当たり、ピン状の連繋金具gがピストン61の前面側に突出した状態となった位置から、作動シャフト7の後退で、ネジ軸としたピン状の連繋金具gの頭部が、ピストン61の前面側に衝合してピストン61と係合する状態位置となる間を、弁軸42が作動シャフト7に対し自在に摺動するように規制している。この実施例は、前述の実施例3、実施例4のものと同様に作用する。   11 and 12, the valve shaft 42 is formed separately from the operation shaft 7, and the valve shaft 42 is formed in a cylindrical shape so that the piston 61 of the pump device P is continuously connected to the front end side. The front end portion of the operating shaft 7 is slidably inserted into the lumen of the valve shaft 42, and the sliding range is regulated by a pin-like connecting fitting g provided at the front end portion of the operating shaft 7. The modification of the pin-shaped connection metal fitting g when planting the pin-shaped connection metal fitting g is shown. The pin-shaped connecting fitting g is formed on a screw shaft that is separate from the operating shaft 7, and in the state where the front end portion of the operating shaft 7 is fitted into the lumen of the valve shaft 42, The tip end side is inserted through a through-hole formed in the center portion of the piston 61 from the front end, and the screw portion at the tip end is screwed onto the front end face of the operating shaft 7 so that the forward movement of the operating shaft 7 From the position where the end surface of the front end portion of the operating shaft 7 hits the rear surface side of the piston 61 and the pin-shaped connecting fitting g protrudes to the front surface side of the piston 61, the operating shaft 7 moves backward to form a screw shaft. The valve shaft 42 freely slides relative to the operating shaft 7 while the head of the pin-shaped connecting fitting g is in a state of being engaged with the piston 61 by abutting against the front surface side of the piston 61. It is regulated. This embodiment operates in the same manner as the above-described Embodiments 3 and 4.

図13及び図14は、さらに別の実施例を示している。この例は、前述の実施例が、作動シャフト7と弁軸42とを別体に形成しているのに対し、作動シャフト7の前端側に装設する弁機構4の弁軸42を、作動シャフト7の前端に一体または一体的に連続させて設け、かつ、この弁軸42を、弁機構4の前面側に配位してボディa内に組み込む液だれ防止装置Bのポンプ装置Pのピストン61と略同径の拡径軸状に形成し、その拡径軸状とした弁軸42の前端を、前記ポンプ装置Pのピストン61に対し、弁軸42の前端側に植設せるピン状の連繋金具gを介して、一定の距離dを可動に組み付け、この弁軸42の前端面とピストン61の後端面との間に、作動シャフト7に作用させる復元バネ50よりバネ圧を強く設定したバネDを渡架装設して、ピストン61と弁軸42との間がこのバネDにより押し拡げられるようにしている例である。   13 and 14 show still another embodiment. In this example, the operating shaft 7 and the valve shaft 42 are separately formed in the above-described embodiment, whereas the valve shaft 42 of the valve mechanism 4 installed on the front end side of the operating shaft 7 is operated. The piston of the pump device P of the dripping prevention device B provided integrally or continuously with the front end of the shaft 7 and having the valve shaft 42 arranged on the front side of the valve mechanism 4 and incorporated in the body a. The front end of the valve shaft 42 that is formed in an enlarged shaft shape that is substantially the same diameter as 61 and that has the enlarged shaft shape is a pin shape that can be implanted on the front end side of the valve shaft 42 with respect to the piston 61 of the pump device P. A fixed distance d is movably assembled through the connecting metal g, and the spring pressure is set stronger than the restoring spring 50 acting on the operating shaft 7 between the front end surface of the valve shaft 42 and the rear end surface of the piston 61. The spring D is installed and installed between the piston 61 and the valve shaft 42. It is an example that is to be more press spread.

この例では、握りレバー5を握り込んで回動させると、作動シャフト7が復元バネ50を圧縮させながら前方にスライドして弁軸42を前方に動かし、弁軸42に設けた弁座口41がボディa内周側に設けている弁口40と合致する開弁位置に動かし、図14に示す状態とする。このとき、弁軸42の前端に組み付けてあるピストン61が一緒に前方に動き、ポンプ装置Pの吸引ブロック62と衝合するようになって、吸引ブロック62とピストン61との間に形成されるポンプ室pを圧縮し、ポンプ装置Pに吐出作動を行わせる。   In this example, when the grip lever 5 is grasped and rotated, the operating shaft 7 slides forward while compressing the restoring spring 50 to move the valve shaft 42 forward, and the valve seat 41 provided on the valve shaft 42. Is moved to the valve opening position that matches the valve opening 40 provided on the inner peripheral side of the body a, and the state shown in FIG. 14 is obtained. At this time, the piston 61 assembled to the front end of the valve shaft 42 moves forward together and comes into contact with the suction block 62 of the pump device P, and is formed between the suction block 62 and the piston 61. The pump chamber p is compressed, and the pump device P is made to perform a discharge operation.

この状態からさらに握りレバー5を握り込むと、吸引ブロック62に突き当たっているピストン61が前方に動かないことで、作動シャフト7と弁軸42だけが、バネ圧を強く設定したバネDを圧縮しながら前方に移動する。この移動の間、弁軸42に設けた弁座口41の軸方向の巾が広くなっていることで、弁口40と合致した状態を続け、弁機構4を開弁の状態に保持し続ける。また、ポンプ装置Pも吐出作動を行った状態を保持し続ける。この弁軸42の移動は、ピン状の連繋金具gの長さにより設定された一定の距離dを動いて、弁軸42がピストン61に突き当たるか、バネDの圧縮がエンドに達することでストップする。そして、その作動シャフト7のストップにより握りレバー5の握り込みによる回動はエンドとなる。   If the grip lever 5 is further squeezed from this state, the piston 61 abutting against the suction block 62 does not move forward, so that only the operating shaft 7 and the valve shaft 42 compress the spring D with a strong spring pressure. While moving forward. During this movement, the width in the axial direction of the valve seat port 41 provided on the valve shaft 42 is increased, so that the valve seat 4 continues to be in alignment with the valve port 40 and the valve mechanism 4 is kept open. . Further, the pump device P also keeps the state where the discharge operation is performed. The movement of the valve shaft 42 is stopped when the valve shaft 42 hits the piston 61 or the compression of the spring D reaches the end by moving a certain distance d set by the length of the pin-shaped connecting fitting g. To do. Then, when the operation shaft 7 is stopped, the rotation by the gripping lever 5 is ended.

また、握りレバー5の握り込みを緩めると、バネ圧の強いバネDの復元作動で弁軸42と作動シャフト7とが、連繋金具gにより規制された一定の距離dだけ後方に動き、図14にて実線に示している状態位置を占める。このとき、弁機構4は弁座口41の軸方向の巾が広く形成してあることで、開弁の状態を保持し続ける。また、ポンプ装置Pもピストン61が吸引ブロック62に押し付けられた状態にあることで、吐出作動を行った状態の保持される。   Further, when the grip lever 5 is loosened, the valve shaft 42 and the operating shaft 7 move backward by a certain distance d regulated by the connecting fitting g by the restoring operation of the spring D having a strong spring pressure. Occupies the position indicated by the solid line. At this time, the valve mechanism 4 keeps the valve open state because the valve seat 41 has a wide axial width. Further, the pump device P is also in a state where the discharge operation is performed by the piston 61 being pressed against the suction block 62.

握り込みをさらに緩めると、復元バネ50のバネ圧で作動シャフト7と弁軸42がさらに後方に動いて、図13に示す状態となり弁軸42に設けた弁座口41が弁口40から外れて弁機構4を閉弁させ、また、連繋金具gで弁軸42に連繋しているピストン61が吸引ブロック62から後退して、ポンプ装置Pに吸引作動を行わすようになる。   When the grip is further loosened, the operating shaft 7 and the valve shaft 42 are moved further rearward by the spring pressure of the restoring spring 50, and the state shown in FIG. 13 is obtained, and the valve seat port 41 provided on the valve shaft 42 is detached from the valve port 40. Then, the valve mechanism 4 is closed, and the piston 61 connected to the valve shaft 42 by the connecting fitting g is retracted from the suction block 62 to perform the suction operation on the pump device P.

従って、この実施例6のシーラガンは、握りレバー5の握り込みにより作動シャフト7をスライド作動させて弁機構4を開弁させるときの握りレバー5の回動作動を、復元バネ50を圧縮させながら作動シャフト7を開弁位置に押し込んでいく前半側の回動作動と、弁機構4を開弁に作動させた状態に保持せしめて復元バネ50よりバネ圧を強く設定したバネDを圧縮しながら作動シャフト7をさらに押し込んでいく後半側の回動作動と、の2段に作動するようになり、前述の各実施例のものと同様に、強いバネ圧のバネDを圧縮していく後半側の回動範囲で、作業中における握りレバー5を握りなおす操作のための、握りレバー5の握り込みの緩めが行えるようになる。   Therefore, in the sealer gun according to the sixth embodiment, when the gripping lever 5 is gripped, the operating shaft 7 is slid to open the valve mechanism 4 while the gripping lever 5 is rotated while the restoring spring 50 is compressed. While rotating the first half side to push the operating shaft 7 into the valve opening position, and holding the valve mechanism 4 in a state in which the valve mechanism 4 is opened, compressing the spring D that is set stronger than the restoring spring 50 The latter half of the operation, in which the operation shaft 7 is further pushed in, is operated in two stages, that is, the latter half of the rotation, and the spring D having a strong spring pressure is compressed in the same manner as in the above-described embodiments. In this rotation range, the grip lever 5 can be loosened for re-gripping the grip lever 5 during the operation.

この実施例のシーラガンは、基本的な構成については前述した実施例のものと変わりがなく、同じ構成部材については同一の符号を付して詳しい説明は省略している。   The basic structure of the sealer gun of this embodiment is the same as that of the above-described embodiment, and the same components are denoted by the same reference numerals and detailed description thereof is omitted.

なお、図13・図14において、u’は、弁軸42の内部に形設した弁機構4より下流側のシーラの誘導路を示している。   13 and 14, u ′ represents a guide path of the sealer on the downstream side of the valve mechanism 4 formed inside the valve shaft 42.

図15は、さらに別の実施例を示している。この例は、前述の実施例6の変形例である。作動シャフト7の前端側に装設する弁軸42を、作動シャフト7と一体または一体的に連続させて設けていること、その弁軸4は、ポンプ装置Pのピストン61と略同径とした拡径軸部7aを作動シャフト7の前端側に設けて、この拡径軸部7aで形成していること、この弁軸42の前端側に、ポンプ装置Pのピストン61を、連繋金具gを介し連繋して、そのピストン61に対しいっていの距離dに規制された範囲内で進退自在としていること、この弁軸42を、シリンダ状に形成してボディa内に嵌装してあるケーシング60内に摺動自在に嵌合させていること、作動シャフト7に設けたボビン状の係止部材70とボディa内周面に設けた係合部との間に復元バネ50を渡架装設して作動シャフト7を後方に押し出していること、弁軸42とピストン61との間に復元バネ50より強いバネ圧のバネDを渡架装設して弁軸42をピストン61から後方に押し出すようにしていること、については前述の実施例6のものと変わりがない。   FIG. 15 shows still another embodiment. This example is a modification of the above-described sixth embodiment. The valve shaft 42 installed on the front end side of the operating shaft 7 is provided integrally or continuously with the operating shaft 7, and the valve shaft 4 has substantially the same diameter as the piston 61 of the pump device P. The enlarged diameter shaft portion 7a is provided on the front end side of the operating shaft 7 and is formed by the enlarged diameter shaft portion 7a. On the front end side of the valve shaft 42, the piston 61 of the pump device P is connected to the connecting fitting g. The casing 60 is connected to the piston 61 so as to be able to advance and retreat within a range restricted by the distance d from the piston 61, and the valve shaft 42 is formed in a cylinder shape and is fitted in the body a. A restoring spring 50 is installed between the bobbin-shaped locking member 70 provided on the operating shaft 7 and the engaging portion provided on the inner peripheral surface of the body a. The actuating shaft 7 is pushed backward, the valve shaft 4 A spring D having a spring pressure stronger than that of the restoring spring 50 is installed between the piston 61 and the piston 61 so as to push the valve shaft 42 backward from the piston 61. There is no change.

前述の実施例6のものと相違している点は、弁軸42とピストン61とを連繋する連繋金具gを、弁軸42の前端面の中心部に、弁軸42から突出する軸杆を一体に連続させて形成し、この軸杆をピストン61の軸芯部に開設した透孔に挿通して、ピストン61の前面側に突出させ、突出端に抜け止め金具7cを取り付けて、ピストン61と弁軸42とを連繋させている点と、拡径軸部に形成した弁軸42には周面に軸方向の巾を広くした弁座口41を環状に形設するだけで内部にシーラの誘導路u’を設けない形態としている点だけであり、前述の実施例6のものと同様に機能し作用する。   The difference from the above-described sixth embodiment is that a connecting fitting g for connecting the valve shaft 42 and the piston 61 is provided with a shaft rod protruding from the valve shaft 42 at the center of the front end surface of the valve shaft 42. The shaft rod is formed so as to be integrally formed. The shaft rod is inserted into a through-hole formed in the shaft core portion of the piston 61 so as to project to the front surface side of the piston 61, and a retaining metal fitting 7c is attached to the projecting end. And the valve shaft 42 formed on the diameter-expanded shaft portion, the valve seat 42 having a wide axial width is formed annularly on the peripheral surface, and the sealer is formed inside. The guiding path u ′ is not provided, and functions and operates in the same manner as in the sixth embodiment.

A シーラガン
B 液だれ防止装置
C バネ
D バネ
M 連繋機構
P ポンプ装置
S シーラの液だれ
a ボディ
b 嵌合軸部
d 距離
f 係止金具
g 連繋金具
h 穴
k 係止片
p ポンプ室
s 支軸
u 誘導路
u’ シーラの誘導路
1 把持グリップ
1a カバー
2 吐出筒
2a 拡径部
20 吐出口
3 供給管
4 弁機構
40 弁口
41 弁座口
42 弁軸
5 握りレバー
5a 握り部
5b 主体部
50 復元バネ
50a 係止部
51 係合突起
52 連結軸
53 規制片
54 外板
55 当板
6a スプリングカラー
60 ケーシング
61 ピストン
62 吸引ブロック
63 吸引・吐出口
64 吸引・吐出パイプ
7 作動シャフト
7a 拡径軸部
7b 嵌合軸部
7c 止め金具
70 係止部材
71 規制部材
72 係合段部
8 調整装置
80 調整ロッド
A Sealer gun B Liquid dripping prevention device C Spring D Spring M Linking mechanism P Pump device S Sealer liquid dripping a Body b Fitting shaft d Distance f Locking fitting g Linking fitting h Hole k Locking piece p Pump chamber s Support shaft u guide path u 'sealer guide path 1 grip grip 1a cover 2 discharge cylinder 2a enlarged diameter part 20 discharge port 3 supply pipe 4 valve mechanism 40 valve port 41 valve seat port 42 valve shaft 5 grip lever 5a grip part 5b main part 50 Restoring spring 50a Locking portion 51 Engaging projection 52 Connecting shaft 53 Restricting piece 54 Outer plate 55 Contact plate 6a Spring collar 60 Casing 61 Piston 62 Suction block 63 Suction / discharge port 64 Suction / discharge pipe 7 Actuation shaft 7a Expanding shaft portion 7b Fitting shaft portion 7c Fastening metal fitting 70 Locking member 71 Restriction member 72 Engagement step portion 8 Adjustment device 80 Adjustment rod

Claims (9)

筒状に形成して基端側に把持グリップ(1)を具備せしめ、先端側には筒先に吐出口(20)を開設した吐出筒(2)を接続して設けたボディ(a)の内部に、供給管(3)から導入されるシーラを吐出筒(2)に導く誘導路(u)と、その誘導路(u)の前記吐出筒(2)に対する連通を断・接する弁機構(4)と、を収蔵せしめるとともに、前記弁機構(4)の弁軸(42)を開弁位置と閉弁位置とに切り替え作動させる作動シャフト(7)を、軸方向にスライド自在に収蔵せしめ、その作動シャフト(7)には、前端側に一体または一体的に連結せしめて設けた弁軸(42)が閉弁位置を占める側に動く方向に該作動シャフト(7)を押し出すよう付勢する復元バネ(50)を連繋し、この作動シャフト(7)と、前記把持グリップ(1)と一緒に握り込めるようその把持グリップ(1)の前面側に軸支せる握りレバー(5)とを、握りレバー(5)の握り込みにより、作動シャフト(7)が弁機構(4)の弁軸(42)を開弁位置とする側に動き、握りレバー(5)の握り込みの解放により、作動シャフト(7)が復元バネ(50)のバネ圧で弁機構(4)の弁軸(42)を閉弁位置とする側に動くよう連繋機構(M)を介して連繋して、握りレバー(5)の握り込みにより弁機構(4)が開弁に作動してシーラを吐出筒(2)の筒先から吐出し、握りレバー(5)の握り込みの解放により弁機構(4)が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
スライド作動により弁機構(4)を開弁・閉弁に作動さす作動シャフト(7)と連繋する握りレバー(5)に、作動シャフト(7)を閉弁とする側に移動させるよう付勢する復元バネ(50)と、その復元バネ(50)よりバネ圧を強く設定したバネ(D)とを連繋させて設けて、握りレバー(5)の握り込みにより作動シャフト(7)をスライドさせて弁機構(4)を開弁させるときの握りレバー(5)の回動作動を、復元バネ(50)を圧縮させながら作動シャフト(7)を開弁位置に動かす前半側の回動作動と、作動シャフト(7)を復元バネ(50)により開弁位置に保持せしめたまま、復元バネ(50)より強く設定したバネ(D)を圧縮していく後半側の作動との、2段の作動とし、握りレバー(5)を握りなおす際の握り込みの緩め回動が、この後半側の回動範囲内において弁機構(4)を開弁に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
The inside of a body (a) formed by connecting a discharge cylinder (2) having a discharge grip (1) having a discharge opening (20) at the tip end of the cylinder and having a grip grip (1) on the base end side. In addition, a guide path (u) for guiding the sealer introduced from the supply pipe (3) to the discharge cylinder (2), and a valve mechanism (4) for disconnecting and connecting the guide path (u) to the discharge cylinder (2). And the operating shaft (7) for switching the valve shaft (42) of the valve mechanism (4) between the valve open position and the valve closed position is slidably stored in the axial direction. In the operating shaft (7), the valve shaft (42) provided integrally or integrally connected to the front end side is urged so as to push out the operating shaft (7) in the direction of moving to the side occupying the valve closing position. A spring (50) is connected, and the operating shaft (7) and the grip grip ( ) And the gripping lever (5) pivotally supported on the front side of the gripping grip (1) so that the operating shaft (7) of the valve mechanism (4) The valve shaft (42) moves toward the valve opening position, and when the grip lever (5) is released, the actuating shaft (7) is moved by the spring pressure of the restoring spring (50) to the valve shaft of the valve mechanism (4). (42) is linked via the linkage mechanism (M) so as to move to the valve closing position, and the valve mechanism (4) is opened to open the sealer by grasping the grip lever (5). In the sealer gun that discharges from the cylinder tip of (2), the valve mechanism (4) is operated to be closed by releasing the gripping of the grip lever (5) to stop discharge of the sealer,
The grip lever (5) linked to the operating shaft (7) that opens and closes the valve mechanism (4) by sliding operation is urged to move the operating shaft (7) to the valve closing side. A restoring spring (50) is connected to a spring (D) whose spring pressure is set stronger than the restoring spring (50), and the operating shaft (7) is slid by gripping the grip lever (5). A rotation operation of the grip lever (5) when opening the valve mechanism (4), a rotation operation of the first half side of moving the operating shaft (7) to the valve opening position while compressing the restoring spring (50); Two-stage operation, with the latter half side operation compressing the spring (D) set stronger than the restoring spring (50) while the operating shaft (7) is held in the valve open position by the restoring spring (50) And grip when re-gripping the grip lever (5) Loosening rotation, characterized in that so as to perform in a state where allowed hold the valve mechanism (4) to the valve opening in the rotation range of the second half side Shiragan.
筒状に形成して基端側に把持グリップ(1)を具備せしめ、先端側には筒先に吐出口(20)を開設した吐出筒(2)を接続して設けたボディ(a)の内部に、供給管(3)から導入されるシーラを吐出筒(2)に導く誘導路(u)と、その誘導路(u)の前記吐出筒(2)に対する連通を断・接する弁機構(4)と、を収蔵せしめるとともに、前記弁機構(4)の弁軸(42)を開弁位置と閉弁位置とに切り替え作動させる作動シャフト(7)を、軸方向にスライド自在に収蔵せしめ、その作動シャフト(7)には、前端側に一体または一体的に連結せしめて設けた弁軸(42)が閉弁位置を占める側に動く方向に該作動シャフト(7)を押し出すよう付勢する復元バネ(50)を連繋し、この作動シャフト(7)と、前記把持グリップ(1)と一緒に握り込めるようその把持グリップ(1)の前面側に軸支せる握りレバー(5)とを、握りレバー(5)の握り込みにより、作動シャフト(7)が弁機構(4)の弁軸(42)を開弁位置とする側に動き、握りレバー(5)の握り込みの解放により、作動シャフト(7)が復元バネ(50)のバネ圧で弁機構(4)の弁軸(42)を閉弁位置とする側に動くよう連繋機構(M)を介して連繋して、握りレバー(5)の握り込みにより弁機構(4)が開弁作動してシーラを吐出筒(2)の筒先から吐出し、握りレバー(5)の握り込みの解放により弁機構(4)が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディ(a)内には、握りレバー(5)の握り込み作動による弁機構(4)の開弁作動と握りレバー(5)の握り込みの解放作動による弁機構(4)の閉弁作動とに、それぞれ連動して吐出作動と吸引作動とを行う液だれ防止装置(B)のポンプ装置(P)を組み込み収蔵せしめ、そのポンプ装置(P)の拡縮するポンプ室(p)に接続せる吸引・吐出パイプ(64)の先端開口を、ボディ(a)の先端側に装設せる吐出筒(2)内に開口せしめ、かつ、スライド作動により弁機構(4)を閉弁・開弁に作動さす作動シャフト(7)と連繋する握りレバー(5)に、作動シャフト(7)を閉弁とする側に移動さすよう付勢する復元バネ(50)と、その復元バネ(50)よりバネ圧を強く設定したバネ(D)とを連繋させて設け、握りレバー(5)の握り込みにより作動シャフト(7)をスライドさせて弁機構(4)を開弁させるときの握りレバー(5)の回動作動を、復元バネ(50)を圧縮させながら作動シャフト(7)を開弁位置に動かす前半側の作動と、作動シャフト(7)を復元バネ(50)により開弁位置に保持せしめたまま、復元バネ(50)よりバネ圧を強く設定したバネ(D)を圧縮していく後半側の作動との、2段に作動させ、握りレバー(5)を握りなおす際の握り込みの緩め回動が、後半側の回動範囲内において、弁機構(4)を開弁に保持せしめ、液だれ防止装置(B)のポンプ装置(P)を吐出作動状態に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
The inside of a body (a) formed by connecting a discharge cylinder (2) having a discharge grip (1) having a discharge opening (20) at the tip end of the cylinder and having a grip grip (1) on the base end side. In addition, a guide path (u) for guiding the sealer introduced from the supply pipe (3) to the discharge cylinder (2), and a valve mechanism (4) for disconnecting and connecting the guide path (u) to the discharge cylinder (2). And the operating shaft (7) for switching the valve shaft (42) of the valve mechanism (4) between the valve open position and the valve closed position is slidably stored in the axial direction. In the operating shaft (7), the valve shaft (42) provided integrally or integrally connected to the front end side is urged so as to push out the operating shaft (7) in the direction of moving to the side occupying the valve closing position. A spring (50) is connected, and the operating shaft (7) and the grip grip ( ) And the gripping lever (5) pivotally supported on the front side of the gripping grip (1) so that the operating shaft (7) of the valve mechanism (4) The valve shaft (42) moves toward the valve opening position, and when the grip lever (5) is released, the actuating shaft (7) is moved by the spring pressure of the restoring spring (50) to the valve shaft of the valve mechanism (4). (42) is linked via the linkage mechanism (M) so as to move to the valve closing position, and the valve mechanism (4) is opened by gripping the grip lever (5) to release the sealer ( In the sealer gun that discharges from the cylinder tip of 2), the valve mechanism (4) is operated to be closed by releasing the grip of the grip lever (5) to stop the discharge of the sealer,
In the body (a), the valve mechanism (4) is opened by the grip lever (5), and the valve mechanism (4) is closed by the grip lever (5). In addition, the pump device (P) of the dripping prevention device (B) which performs the discharge operation and the suction operation in conjunction with each other is incorporated and stored, and the suction device connected to the pump chamber (p) where the pump device (P) expands and contracts. -Open the tip of the discharge pipe (64) into the discharge cylinder (2) installed on the tip of the body (a), and operate the valve mechanism (4) to close and open by sliding. A restoring spring (50) that urges the grip lever (5) linked to the actuating shaft (7) to move the actuating shaft (7) to the valve closing side, and a spring pressure from the restoring spring (50) Provided with a spring (D) that is strongly set, and a grip lever 5) When the operating shaft (7) is slid by the gripping of 5) to open the valve mechanism (4), the rotating operation of the grip lever (5) is performed while the restoring spring (50) is compressed while the operating shaft (7 ) To the valve opening position, and a spring (D) in which the spring pressure is set stronger than the restoring spring (50) while the operating shaft (7) is held at the valve opening position by the restoring spring (50). When the grip lever (5) is re-gripped, the valve mechanism (4) is operated within the range of rotation of the second half. The sealer gun is characterized in that it can be held in a state in which the pump device (P) of the dripping prevention device (B) is held in the discharge operation state.
筒状に形成して基端側に把持グリップ(1)を具備せしめ、先端側には筒先に吐出口(20)を開設した吐出筒(2)を接続して設けたボディ(a)の内部に、供給管(3)から導入されるシーラを吐出筒(2)に導く誘導路(u)と、その誘導路(u)の前記吐出筒(2)に対する連通を弁軸(42)の作動により断・接する弁機構(4)と、を収蔵せしめるとともに、前端側に前記弁機構(4)の弁軸(42)を一体または一体的に設けてスライド作動により弁機構(4)を開弁と閉弁とに切り替え作動させる作動シャフト(7)を軸方向にスライド自在に収蔵せしめ、その作動シャフト(7)には、前端側に設けた弁軸(42)が閉弁位置を占める側に動く方向に該作動シャフト(7)を押し出すよう付勢する復元バネ(50)を連繋し、この作動シャフト(7)と、前記把持グリップ(1)の前面側に軸支せる握りレバー(5)とを、握りレバー(5)の握り込みにより、作動シャフト(7)が弁機構(4)を開弁位置とする側に動き、握りレバー(5)の握り込みの解放により、作動シャフト(7)が復元バネ(50)のバネ圧で弁機構(4)を閉弁とする側に動くよう連繋機構(M)を介して連繋して、握りレバー(5)の握り込みにより弁機構(4)が開弁に作動してシーラを吐出筒(2)の筒先から吐出し、握りレバー(5)の握り込みの解放により弁機構(4)が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
作動シャフト(7)には、筒状に形成した係止部材(70)を、軸方向に摺動自在に嵌装して、作動シャフト(7)に対する後方への移動を規制部材(71)により規制し、前方への移動を該作動シャフト(7)の周面に設けた係合段部(72)と係止部材(70)との間に渡架せるバネ(D)により規制し、かつ、そのバネ(D)のバネ圧は復元バネ(50)のバネ圧より強く設定しておき、握りレバー(5)の握り込みにより、復元バネ(50)を圧縮させながら作動シャフト(7)を弁機構(4)を開弁とする側にスライドさせるときの握りレバー(5)の回動作動を、復元バネ(50)を圧縮させながら作動シャフト(7)を開弁位置に動かす前半側の回動作動と、作動シャフト(7)を復元バネ(50)により開弁の状態位置に保持せしめたまま、その作動シャフト(7)に対しボビン状の係止部材(70)を、強いバネ圧のバネ(D)を押し縮めながらスライドさせていく後半側の作動との、2段に作動させ、握りレバー(5)を握りなおす操作の際の握り込みの緩め回動が、係止部材(70)を作動シャフト(7)に対して動かす後半側の回動範囲内において、弁機構(4)を開弁に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
The inside of a body (a) formed by connecting a discharge cylinder (2) having a discharge grip (1) having a discharge opening (20) at the tip end of the cylinder and having a grip grip (1) on the base end side. In addition, the guide shaft (u) for guiding the sealer introduced from the supply pipe (3) to the discharge cylinder (2) and the communication of the guide path (u) with the discharge cylinder (2) are operated by the valve shaft (42). The valve mechanism (4) that is disconnected and contacted by the valve mechanism is stored, and the valve shaft (42) of the valve mechanism (4) is integrally or integrally provided on the front end side, and the valve mechanism (4) is opened by a slide operation. The operating shaft (7) that is switched to and from the valve closing is slidably stored in the axial direction, and the valve shaft (42) provided on the front end side of the operating shaft (7) occupies the valve closing position. A restoring spring (50) that urges the operating shaft (7) to push in the moving direction is linked. The operating shaft (7) and the grip lever (5) pivotally supported on the front side of the grip grip (1) are gripped by the grip lever (5), whereby the operating shaft (7) is moved to the valve mechanism (4). ) To the valve opening position, and when the grip lever (5) is released, the operating shaft (7) is moved to the valve closing mechanism by the spring pressure of the restoring spring (50). It is linked via a linkage mechanism (M) so as to move, and when the grip lever (5) is gripped, the valve mechanism (4) is opened to discharge the sealer from the tip of the discharge cylinder (2). In the sealer gun in which the valve mechanism (4) is operated to be closed by releasing the gripping of (5) and the discharge of the sealer is stopped.
A locking member (70) formed in a cylindrical shape is fitted to the operating shaft (7) so as to be slidable in the axial direction, and the backward movement with respect to the operating shaft (7) is controlled by the regulating member (71). Restricting forward movement by a spring (D) that can be bridged between an engaging step (72) provided on the peripheral surface of the operating shaft (7) and the locking member (70), and The spring pressure of the spring (D) is set higher than the spring pressure of the restoring spring (50), and the operating shaft (7) is compressed while the restoring spring (50) is compressed by gripping the grip lever (5). The pivoting operation of the grip lever (5) when the valve mechanism (4) is slid to the valve opening side, the first half side of the operating shaft (7) is moved to the valve opening position while compressing the restoring spring (50). Rotation operation and the operating shaft (7) are kept in the open position by the restoring spring (50). Actuated in two stages, with the latter half side of sliding the bobbin-shaped locking member (70) against the actuating shaft (7) while pressing the spring (D) with a strong spring pressure. In the latter half of the rotation range in which the locking member (70) is moved relative to the operating shaft (7), the valve mechanism ( A sealer gun characterized in that it can be carried out with 4) held open.
筒状に形成して基端側に把持グリップ(1)を具備せしめ、先端側には筒先に吐出口(20)を開設した吐出筒(2)を接続して設けたボディ(a)の内部に、供給管(3)から導入されるシーラを吐出筒(2)に導く誘導路(u)と、その誘導路(u)の前記吐出筒(2)に対する連通を弁軸(42)の作動により断・接する弁機構(4)と、を収蔵せしめるとともに、前端側に前記弁機構(4)の弁軸(42)を一体または一体的に設けて、スライド作動により弁機構(4)を開弁と閉弁とに切り替え作動させる作動シャフト(7)を軸方向にスライド自在に収蔵せしめ、その作動シャフト(7)には、前端側に設けた弁軸(42)が閉弁位置を占める側に動く方向に該作動シャフト(7)を押し出すよう付勢する復元バネ(50)を連繋し、この作動シャフト(7)と、前記把持グリップ(1)の前面側に軸支せる握りレバー(5)とを、握りレバー(5)の握り込みにより、作動シャフト(7)が弁機構(4)を開弁位置とする側に動き、握りレバー(5)の握り込みの解放により、作動シャフト(7)が復元バネ(50)のバネ圧で弁機構(4)を閉弁とする側に動くよう連繋機構(M)を介して連繋して、握りレバー(5)の握り込みにより弁機構(4)が開弁作動してシーラを吐出筒(2)の筒先から吐出し、握りレバー(5)の握り込みの解放により弁機構(4)が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディ(a)内には、握りレバー(5)の握り込み作動による弁機構(4)の開弁作動と握りレバー(5)の握り込みの解放作動による弁機構(4)の閉弁作動とに、それぞれ連動して吐出作動と吸引作動とを行う液だれ防止装置(B)のポンプ装置(P)を組み込み収蔵せしめ、そのポンプ装置(P)の拡縮するポンプ室(p)に接続せる吸引・吐出パイプ(64)の先端開口を、ボディ(a)の先端側に装設せる吐出筒(2)内に開口せしめ、
作動シャフト(7)には、筒状に形成した係止部材(70)を、軸方向に摺動自在に嵌装して、作動シャフト(7)に対する後方への移動を規制部材(71)により規制し、前方への移動を、該作動シャフト(7)の周面に設けた係合段部(72)と係止部材(70)との間に渡架せるバネ(D)のバネ圧により規制し、かつ、そのバネ(D)のバネ圧は復元バネ(50)のバネ圧より強く設定しておいて、握りレバー(5)の握り込みにより復元バネ(50)を圧縮させながら作動シャフト(7)を弁機構(4)を開弁とする側にスライドさせるときの握りレバー(5)の回動作動を、復元バネ(50)を圧縮させながら作動シャフト(7)を開弁方向のエンドまで動かす前半側の作動と、作動シャフト(7)を復元バネ(50)のバネ圧により開弁の状態位置に保持せしめた状態においてその作動シャフト(7)に対しボビン状の係止部材(70)を、バネ(D)を押し縮めながら作動シャフト(7)上をスライドさせていく後半側の作動との、2段に作動させ、握りレバー(5)を握りなおす操作の際の握り込みの緩め回動が、係止部材(70)を作動シャフト(7)に対して動かす後半側の回動範囲内において、弁機構(4)を開弁に保持せしめ、液だれ防止装置(B)のポンプ装置(P)を吐出作動に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
The inside of a body (a) formed by connecting a discharge cylinder (2) having a discharge grip (1) having a discharge opening (20) at the tip end of the cylinder and having a grip grip (1) on the base end side. In addition, the guide shaft (u) for guiding the sealer introduced from the supply pipe (3) to the discharge cylinder (2) and the communication of the guide path (u) with the discharge cylinder (2) are operated by the valve shaft (42). And the valve mechanism (4) that is disconnected and contacted by the valve mechanism (4), and the valve shaft (42) of the valve mechanism (4) is integrally or integrally provided on the front end side, and the valve mechanism (4) is opened by a slide operation. An operating shaft (7) for switching between a valve and a valve closing operation is slidably stored in the axial direction, and the valve shaft (42) provided on the front end side occupies the valve closing position on the operating shaft (7). A restoring spring (50) that urges the operating shaft (7) to push out in the direction of movement is connected. The operating shaft (7) and the grip lever (5) pivotally supported on the front side of the grip grip (1) are moved by the grip lever (5) so that the operating shaft (7) 4) moves to the valve opening side, and the release of the grip lever (5) causes the operating shaft (7) to close the valve mechanism (4) with the spring pressure of the restoring spring (50). Are connected via a linkage mechanism (M) so that the valve mechanism (4) is opened by gripping the grip lever (5), and the sealer is discharged from the tip of the discharge cylinder (2). In the sealer gun in which the valve mechanism (4) is operated to be closed by releasing the gripping of (5) and the discharge of the sealer is stopped.
In the body (a), the valve mechanism (4) is opened by the grip lever (5), and the valve mechanism (4) is closed by the grip lever (5). In addition, the pump device (P) of the dripping prevention device (B) which performs the discharge operation and the suction operation in conjunction with each other is incorporated and stored, and the suction device connected to the pump chamber (p) where the pump device (P) expands and contracts. -Open the distal end opening of the discharge pipe (64) into the discharge cylinder (2) installed on the distal end side of the body (a),
A locking member (70) formed in a cylindrical shape is fitted to the operating shaft (7) so as to be slidable in the axial direction, and the backward movement with respect to the operating shaft (7) is controlled by the regulating member (71). The forward movement is restricted by the spring pressure of the spring (D) that can be bridged between the engaging step (72) provided on the peripheral surface of the operating shaft (7) and the locking member (70). The operating shaft is regulated and the spring pressure of the spring (D) is set to be stronger than the spring pressure of the restoring spring (50), and the restoring spring (50) is compressed by gripping the grip lever (5). The pivoting operation of the grip lever (5) when sliding the valve mechanism (4) to the side to open the valve mechanism (4), the operating shaft (7) in the valve opening direction while compressing the restoring spring (50) Operation of the first half side to move to the end and spring pressure of the restoring shaft (7) on the operating shaft (7) In a state where the valve is held in a more open state, the bobbin-like locking member (70) is slid on the operating shaft (7) while pressing and contracting the spring (D) with respect to the operating shaft (7). The latter half of the operation of the second half moves the locking member (70) with respect to the operating shaft (7) by loosening and turning the grip when the grip lever (5) is operated again in two stages. The valve mechanism (4) is held open within the rotation range on the side, and the pump device (P) of the dripping prevention device (B) is held in the discharge operation. Sheilagan to do.
筒状に形成して基端側に把持グリップ(1)を具備せしめ、先端側には筒先に吐出口(20)を開設した吐出筒(2)を接続して設けたボディ(a)の内部に、供給管(3)から導入されるシーラを吐出筒(2)に導く誘導路(u)と、その誘導路(u)の前記吐出筒(2)に対する連通を断・接する弁機構(4)と、を収蔵せしめるとともに、前記弁機構(4)の弁軸(42)を開弁位置と閉弁位置とに切り替え作動させる作動シャフト(7)を、軸方向にスライド自在に収蔵せしめ、その作動シャフト(7)には、前端側に一体または一体的に連結せしめて設けた弁軸(42)が閉弁位置を占める側に動く方向に該作動シャフト(7)を押し出すよう付勢する復元バネ(50)を連繋し、この作動シャフト(7)と、前記把持グリップ(1)と一緒に握り込めるようその把持グリップ(1)の前面側に軸支せる握りレバー(5)とを、握りレバー(5)の握り込みにより、作動シャフト(7)が弁機構(4)の弁軸(42)を開弁位置とする側に動き、握りレバー(5)の握り込みの解放により、作動シャフト(7)が復元バネ(50)のバネ圧で弁機構(4)の弁軸(42)を閉弁位置とする側に動くよう連繋機構(M)を介して連繋して、握りレバー(5)の握り込みにより弁機構(4)が開弁作動してシーラを吐出筒(2)の筒先から吐出し、握りレバー(5)の握り込みの解放により弁機構(4)が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
把持グリップ(1)の前面側に配位してボディ(a)に軸支する握りレバー(5)は、把持グリップ(1)とともに該握りレバー(5)を握り込むときの掌の指のかかる先端側の握り部(5a)と、支軸(s)に軸支されて前後方向に回動する基端側の主体部(5b)とに2分し、その先端側の握り部(5a)と基端側の主体部(5b)とを、握り部(5a)が主体部(5b)に対し直列に連続する姿勢位置から把持グリップ(1)に沿う姿勢位置との間を自在に折曲回動するよう軸着連結し、かつ、握り部(5a)と主体部(5b)との間に、握り部(5a)を主体部(5b)と直列に連続する状態位置に向け回動さすよう付勢するバネ(D)を復元バネ(50)より強いバネ圧に設定して付設し、そのバネ(D)のバネ圧により先端側の握り部(5a)を基端側の主体部(5b)に対し直列に連続する状態姿勢に保持せしめて、握りレバー(5)の握り込みにより作動シャフト(7)をスライドさせて弁機構(4)を開弁作動させるときの握りレバー(5)の回動作動を、主体部(5b)と握り部(5a)とが一緒に回動して復元バネ(50)を圧縮しながら作動シャフト(7)を開弁位置に動かす前半側の作動と、握り部(5b)だけが復元バネ(50)により作動シャフト(7)を開弁位置に保持せしめたまま強いバネ圧のバネ(D)を圧縮しながら回動する後半側の作動との2段の作動とし、握りレバー(5)を握りなおす際の握り込みの緩め回動が、後半側の回動範囲内において、弁機構(4)を開弁に保持せしめた状態において行われるようにしたことを特徴とするシーラガン。
The inside of a body (a) formed by connecting a discharge cylinder (2) having a discharge grip (1) having a discharge opening (20) at the tip end of the cylinder and having a grip grip (1) on the base end side. In addition, a guide path (u) for guiding the sealer introduced from the supply pipe (3) to the discharge cylinder (2), and a valve mechanism (4) for disconnecting and connecting the guide path (u) to the discharge cylinder (2). And the operating shaft (7) for switching the valve shaft (42) of the valve mechanism (4) between the valve open position and the valve closed position is slidably stored in the axial direction. In the operating shaft (7), the valve shaft (42) provided integrally or integrally connected to the front end side is urged so as to push out the operating shaft (7) in the direction of moving to the side occupying the valve closing position. A spring (50) is connected, and the operating shaft (7) and the grip grip ( ) And the gripping lever (5) pivotally supported on the front side of the gripping grip (1) so that the operating shaft (7) of the valve mechanism (4) The valve shaft (42) moves toward the valve opening position, and when the grip lever (5) is released, the actuating shaft (7) is moved by the spring pressure of the restoring spring (50) to the valve shaft of the valve mechanism (4). (42) is linked via the linkage mechanism (M) so as to move to the valve closing position, and the valve mechanism (4) is opened by gripping the grip lever (5) to release the sealer ( In the sealer gun that discharges from the cylinder tip of 2), the valve mechanism (4) is operated to be closed by releasing the grip of the grip lever (5) to stop the discharge of the sealer,
The grip lever (5) that is positioned on the front side of the grip grip (1) and pivotally supported on the body (a) is applied to the palm finger when the grip lever (5) is gripped together with the grip grip (1). The grip part (5a) on the distal end side is divided into a main part (5b) on the proximal end side that is pivotally supported by the support shaft (s) and rotates in the front-rear direction. And the base end (5b) of the base end are freely bent between a position where the grip part (5a) continues in series with respect to the main part (5b) and a position along the grip (1). It is pivotally connected so as to rotate, and the grip portion (5a) is rotated between the grip portion (5a) and the main body portion (5b) toward a state position continuous in series with the main body portion (5b). The spring (D) to be urged is set with a spring pressure stronger than that of the restoring spring (50), and the spring pressure of the spring (D) The holding portion (5a) is held in a state where the base portion (5b) is continuous in series with the main body portion (5b) on the base end side, and the operating shaft (7) is slid by gripping the grip lever (5) to thereby provide the valve mechanism (4 ) When the grip lever (5) is rotated, the main shaft (5b) and the grip (5a) rotate together to compress the restoring spring (50) while operating the operating shaft ( 7) The first half of the operation to move the valve to the valve open position, and the spring (D) having a strong spring pressure while only the grip portion (5b) holds the operating shaft (7) in the valve open position by the restoring spring (50). The two-stage operation of the latter half side that rotates while being compressed, and the loose rotation of the grip when the grip lever (5) is re-gripped, is within the second half side rotation range, the valve mechanism (4) Is performed in a state where the valve is held open. Ragan.
筒状に形成して基端側に把持グリップ(1)を具備せしめ、先端側には筒先に吐出口(20)を開設した吐出筒(2)を接続して設けたボディ(a)の内部に、供給管(3)から導入されるシーラを吐出筒(2)に導く誘導路(u)と、その誘導路(u)の前記吐出筒(2)に対する連通を断・接する弁機構(4)と、を収蔵せしめるとともに、前記弁機構(4)の弁軸(42)を開弁位置と閉弁位置とに切り替え作動させる作動シャフト(7)を、軸方向にスライド自在に収蔵せしめ、その作動シャフト(7)には、前端側に一体または一体的に連結せしめて設けた弁軸(42)が閉弁位置を占める側に動く方向に該作動シャフト(7)を押し出すよう付勢する復元バネ(50)を連繋し、この作動シャフト(7)と、前記把持グリップ(1)と一緒に握り込めるようその把持グリップ(1)の前面側に軸支せる握りレバー(5)とを、握りレバー(5)の握り込みにより、作動シャフト(7)が弁機構(4)の弁軸(42)を開弁位置とする側に動き、握りレバー(5)の握り込みの解放により、作動シャフト(7)が復元バネ(50)のバネ圧で弁機構(4)の弁軸(42)を閉弁位置とする側に動くよう連繋機構(M)を介して連繋して、握りレバー(5)の握り込みにより弁機構(4)が開弁作動してシーラを吐出筒(2)の筒先から吐出し、握りレバー(5)の握り込みの解放により弁機構(4)が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディ(a)内には、握りレバー(5)の握り込み作動による弁機構(4)の開弁作動と握りレバー(5)の握り込みの解放作動による弁機構(4)の閉弁作動とに、それぞれ連動して吐出作動と吸引作動とを行う液だれ防止装置(B)のポンプ装置(P)を組み込み収蔵せしめ、そのポンプ装置(P)の拡縮するポンプ室(p)に接続せる吸引・吐出パイプ(64)の先端開口を、ボディ(a)の先端側に装設せる吐出筒(2)内に開口せしめ、把持グリップ(1)の前面側に配位してボディ(a)に軸支する握りレバー(5)、把持グリップ(1)とともに該握りレバー(5)を握り込むときの掌の指のかかる先端側の握り部(5a)と、支軸(s)に軸支されて前後方向に回動する基端側の主体部(5b)とに分割し、分割した先端側の握り部(5a)と基端側の主体部(5b)と、握り部(5a)主体部(5b)に対し直列に連続する状態位置に向け回動さすよう付勢するバネ(D)を復元バネ(50)より強いバネ圧に設定して付設し、そのバネ(D)のバネ圧により先端側の握り部(5a)を基端側の主体部(5b)に対し直列に連続する状態姿勢に保持せしめ、
握りレバー(5)の握り込みにより作動シャフト(7)をスライドさせて弁機構(4)を開弁作動させるときの握りレバー(5)の回動作動を、主体部(5b)と握り部(5a)とが一緒に回動して復元バネ(50)を圧縮しながら作動シャフト(7)を開弁位置に動かす前半側の作動と、握り部(5b)だけが復元バネ(50)により作動シャフト(7)を開弁位置に保持せしめたまま強いバネ圧のバネ(D)を圧縮しながら回動する後半側の作動との2段の作動に構成し、握りレバー(5)を握りなおす際の握り込みの緩め回動が、後半側の回動範囲内において、弁機構(4)を開弁に保持せしめ液だれ防止装置(B)のポンプ装置(p)を吐出作動に保持せしめた状態において行われるようにしたことを特徴とするシーラガン。
The inside of a body (a) formed by connecting a discharge cylinder (2) having a discharge grip (1) having a discharge opening (20) at the tip end of the cylinder and having a grip grip (1) on the base end side. In addition, a guide path (u) for guiding the sealer introduced from the supply pipe (3) to the discharge cylinder (2), and a valve mechanism (4) for disconnecting and connecting the guide path (u) to the discharge cylinder (2). And the operating shaft (7) for switching the valve shaft (42) of the valve mechanism (4) between the valve open position and the valve closed position is slidably stored in the axial direction. In the operating shaft (7), the valve shaft (42) provided integrally or integrally connected to the front end side is urged so as to push out the operating shaft (7) in the direction of moving to the side occupying the valve closing position. A spring (50) is connected, and the operating shaft (7) and the grip grip ( ) And the gripping lever (5) pivotally supported on the front side of the gripping grip (1) so that the operating shaft (7) of the valve mechanism (4) The valve shaft (42) moves toward the valve opening position, and when the grip lever (5) is released, the actuating shaft (7) is moved by the spring pressure of the restoring spring (50) to the valve shaft of the valve mechanism (4). (42) is linked via the linkage mechanism (M) so as to move to the valve closing position, and the valve mechanism (4) is opened by gripping the grip lever (5) to release the sealer ( In the sealer gun that discharges from the cylinder tip of 2), the valve mechanism (4) is operated to be closed by releasing the grip of the grip lever (5) to stop the discharge of the sealer,
In the body (a), the valve mechanism (4) is opened by the grip lever (5), and the valve mechanism (4) is closed by the grip lever (5). In addition, the pump device (P) of the dripping prevention device (B) which performs the discharge operation and the suction operation in conjunction with each other is incorporated and stored, and the suction device connected to the pump chamber (p) where the pump device (P) expands and contracts. -Open the front end of the discharge pipe (64) into the discharge cylinder (2) installed on the front end of the body (a), and position it on the front side of the grip grip (1) to the body (a). The grip lever (5) to be pivotally supported is pivotally supported by the grip (1a) and the grip portion (5a) on the tip side of the palm finger when the grip lever (5) is gripped, and the support shaft (s). is divided into front and rear main portion of the proximal end side to rotate in a direction and (5b), divided tip Of the grip portion and (5a) main body portion of the base end side (5b), a spring that biases refers rotate toward a state consecutive positions in series grip portion (5a) relative to the main body portion (5b) (D ) Is set at a spring pressure stronger than that of the restoring spring (50), and the grip portion (5a) on the distal end side is connected in series with the main body portion (5b) on the proximal end side by the spring pressure of the spring (D). because Shi was held in a continuous state attitude,
The pivoting operation of the grip lever (5) when the operating shaft (7) is slid by the grip lever (5) to open the valve mechanism (4), the main body portion (5b) and the grip portion ( 5a) rotate together to compress the restoring spring (50) and move the operating shaft (7) to the valve open position, and only the grip (5b) is actuated by the restoring spring (50). configure the operation of two stages of the operation of the second half side to rotate while compressing the shaft (7) strong spring pressure of the spring while brought held in the open position (D), again grips the grip lever (5) grip inclusive loosening rotation when found within the range of rotation of the second half side, allowed hold the valve mechanism (4) in the valve opening, allowed retention pumping apparatus drip device (B) the (p) to the discharge working Sheilagan, characterized in that it is performed in the state of being.
筒状に形成して基端側に把持グリップ(1)を具備せしめ、先端側には筒先に吐出口(20)を開設した吐出筒(2)を接続して設けたボディ(a)の内部に、供給管(3)から導入されるシーラを吐出筒(2)に導く誘導路(u)と、その誘導路(u)の前記吐出筒(2)に対する連通を弁軸(42)の作動により断・接する弁機構(4)と、を収蔵せしめるとともに、前端側に前記弁機構(4)の弁軸(42)を一体または一体的に設けてスライド作動により弁機構(4)を開弁と閉弁とに切り替え作動させる作動シャフト(7)を軸方向にスライド自在に収蔵せしめ、その作動シャフト(7)には、前端側に設けた弁軸(42)が閉弁位置を占める側に動く方向に該作動シャフト(7)を押し出すよう付勢する復元バネ(50)を連繋し、この作動シャフト(7)と、前記把持グリップ(1)の前面側に軸支せる握りレバー(5)とを、握りレバー(5)の握り込みにより、作動シャフト(7)が弁機構(4)を開弁位置とする側に動き、握りレバー(5)の握り込みの解放により、作動シャフト(7)が復元バネ(50)のバネ圧で弁機構(4)を閉弁とする側に動くよう連繋機構(M)を介して連繋して、握りレバー(5)の握り込みにより弁機構(4)が開弁作動してシーラを吐出筒(2)の筒先から吐出し、握りレバー(5)の握り込みの解放により弁機構(4)が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディ(a)内の先端側には、シリンダ状のケーシング(60)と、そのケーシング(60)の前端側に取り付ける吸引ブロック(62)と、ケーシング(60)内を前後に往復動するピストン(61)と、そのピストン(61)と前記吸引ブロック(62)との間に形成される拡縮するポンプ室(p)と、そのポンプ室(p)に基端側が接続し先端側が吐出筒(2)内において吐出口(20)の近傍位置に臨む吸引・吐出パイプ(64)と、からなる液だれ防止装置(B)のポンプ装置(P)を組み込み、
作動シャフト(7)の前端側に設ける弁機構(4)の弁軸(42)は、作動シャフト(7)とは別体の円筒状に形成して、前端側を前記ポンプ装置(P)のピストン(61)の後面側に一体または一体的に連続させ、
作動シャフト(7)の前端側に、前記円筒状の弁軸(42)内に嵌合する嵌合軸部(7a)を形して、その嵌合軸部(7a)内に、弁軸(42)を摺動自在に嵌合し、規制金具により摺動範囲を一定の距離(d)に規制して組み付け、この嵌合軸部(7a)と前記弁軸(42)に連続するピストン(61)との間に、嵌合軸部(42)を弁軸(42)から押し出す方向に付勢するバネ(D)を、復元バネ(50)より強いバネ圧に設定して渡架装設して、握りレバー(5)の握り込みにより作動シャフト(7)をスライドさせて弁機構(4)を開弁させるときの、握りレバー(5)の回動作動を、復元バネ(50)を圧縮しながら作動シャフト(7)と弁軸(42)とを開弁位置に押し込んでいく前半側の作動と、強いバネ(D)を圧縮しながら作動シャフト(7)を弁軸(42)内に押し込んでいく後半側の作動との、2段に作動させ、握りレバー(5)を握りなおす際の緩め回動が、後半側の回動範囲内において弁機構(4)を開弁に保持せしめ液だれ防止装置(B)のポンプ装置(P)を吐出作動の状態に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
The inside of a body (a) formed by connecting a discharge cylinder (2) having a discharge grip (1) having a discharge opening (20) at the tip end of the cylinder and having a grip grip (1) on the base end side. In addition, the guide shaft (u) for guiding the sealer introduced from the supply pipe (3) to the discharge cylinder (2) and the communication of the guide path (u) with the discharge cylinder (2) are operated by the valve shaft (42). The valve mechanism (4) that is disconnected and contacted by the valve mechanism is stored, and the valve shaft (42) of the valve mechanism (4) is integrally or integrally provided on the front end side, and the valve mechanism (4) is opened by a slide operation. The operating shaft (7) that is switched to and from the valve closing is slidably stored in the axial direction, and the valve shaft (42) provided on the front end side of the operating shaft (7) occupies the valve closing position. A restoring spring (50) that urges the operating shaft (7) to push in the moving direction is linked. The operating shaft (7) and the grip lever (5) pivotally supported on the front side of the grip grip (1) are gripped by the grip lever (5), whereby the operating shaft (7) is moved to the valve mechanism (4). ) To the valve opening position, and when the grip lever (5) is released, the operating shaft (7) is moved to the valve closing mechanism by the spring pressure of the restoring spring (50). It is linked via a linkage mechanism (M) so as to move, and the valve mechanism (4) is opened by gripping the grip lever (5), and the sealer is discharged from the tip of the discharge cylinder (2). In the sealer gun in which the valve mechanism (4) is closed to release the sealer by releasing the gripping of 5),
On the front end side in the body (a), a cylindrical casing (60), a suction block (62) attached to the front end side of the casing (60), and a piston (reciprocating back and forth in the casing (60)) 61), a pump chamber (p) which is formed between the piston (61) and the suction block (62), and a base end side is connected to the pump chamber (p), and a distal end side is a discharge cylinder (2 ) A suction / discharge pipe (64) facing the vicinity of the discharge port (20) and a pump device (P) of the dripping prevention device (B),
The valve shaft (42) of the valve mechanism (4) provided on the front end side of the operating shaft (7) is formed in a cylindrical shape separate from the operating shaft (7), and the front end side of the pump device (P) is formed. Integrally or integrally connected to the rear surface side of the piston (61),
The front end of the actuating shaft (7) is to form set fitting shaft portion (7a) fitted to said cylindrical valve shaft (42) within its fitting shaft portion (7a), the valve axis (42) slidably fitted and with the set seen to regulate the sliding range from the regulated gold again and again at a constant distance (d), the valve shaft and the fitting shaft portion (7a) (42 The spring (D) that urges the fitting shaft portion (42) in the direction to push out the valve shaft (42) between the piston (61) and the piston (61) is set to a spring pressure stronger than the restoring spring (50). Then, the pivoting operation of the grip lever (5) when opening the valve mechanism (4) by sliding the operating shaft (7) by grasping the grip lever (5) and opening the valve mechanism (4), While compressing the restoring spring (50), the first half of the operation that pushes the operating shaft (7) and the valve shaft (42) into the open position, and the strong spring (D) are compressed. While the second half of the operation shaft (7) is pushed into the valve shaft (42), the loose rotation when the grip lever (5) is regripped is rotated in the second half. allowed retention valve mechanism (4) to the valve opening in the dynamic range, it is characterized in that so as to perform in a state where allowed held pump device drip device (B) the (P) to the state of the discharge working Shiragan .
筒状に形成して基端側に把持グリップ(1)を具備せしめ、先端側には筒先に吐出口(20)を開設した吐出筒(2)を接続して設けたボディ(a)の内部に、供給管(3)から導入されるシーラを吐出筒(2)に導く誘導路(u)と、その誘導路(u)の前記吐出筒(2)に対する連通を弁軸(42)の作動により断・接する弁機構(4)と、を収蔵せしめるとともに、前端側に前記弁機構(4)の弁軸(42)を一体または一体的に設けてスライド作動により弁機構(4)を開弁と閉弁とに切り替え作動させる作動シャフト(7)を軸方向にスライド自在に収蔵せしめ、その作動シャフト(7)には、前端側に設けた弁軸(42)が閉弁位置を占める側に動く方向に該作動シャフト(7)を押し出すよう付勢する復元バネ(50)を連繋し、この作動シャフト(7)と、前記把持グリップ(1)の前面側に軸支せる握りレバー(5)とを、握りレバー(5)の握り込みにより、作動シャフト(7)が弁機構(4)を開弁位置とする側に動き、握りレバー(5)の握り込みの解放により、作動シャフト(7)が復元バネ(50)のバネ圧で弁機構(4)を閉弁とする側に動くよう連繋機構(M)を介して連繋して、握りレバー(5)の握り込みにより弁機構(4)が開弁作動してシーラを吐出筒(2)の筒先から吐出し、握りレバー(5)の握り込みの解放により弁機構(4)が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディ(a)内の先端側には、シリンダ状のケーシング(60)と、そのケーシング(60)の前端側に取り付ける吸引ブロック(62)と、ケーシング(60)内を前後に往復動するピストン(61)と、そのピストン(61)と前記吸引ブロック(62)との間に形成される拡縮するポンプ室(p)と、そのポンプ室(p)に基端側が接続し先端側が吐出筒(2)内において吐出口(20)の近傍位置に臨む吸引・吐出パイプ(64)と、からなる液だれ防止装置(B)のポンプ装置(P)を組み込み、作動シャフト(7)の前端側に設ける弁機構(4)の弁軸(42)は、作動シャフト(7)とは別体の円筒状に形成して、前端側を前記ポンプ装置(P)のピストン(61)の後面側に一体または一体的に連続させ、作動シャフト(7)の前端側に、前記円筒状の弁軸(42)内に嵌合する嵌合軸部(7)を形成して、その嵌合軸部(7)内に弁軸(42)を摺動自在に嵌合し、規制金具により摺動範囲を一定の距離(d)に規制して嵌合軸部(7b)に組み付け、円筒状の弁軸(42)の後端部と作動シャフト(7)の周面に設けた係止金具(f)との間に、嵌合軸部(42)を弁軸(42)から押し出す方向に付勢するバネ(D)を、復元バネ(50)より強いバネ圧に設定して渡架装設して、握りレバー(5)の握り込みにより作動シャフト(7)をスライドさせて弁機構(4)を開弁させるときの、握りレバー(5)の回動作動を、復元バネ(50)を圧縮しながら作動シャフト(7)と弁軸(42)とを開弁位置に押し込んでいく前半側の作動と、強いバネ(D)を圧縮しながら作動シャフト(7)を弁軸(42)内に押し込んでいく後半側の作動との、2段に作動させ、握りレバー(5)を握りなおす際の緩め回動が、後半側の回動範囲内において弁機構(4)を開弁に保持せしめ液だれ防止装置(B)のポンプ装置(P)を吐出作動の状態に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
The inside of a body (a) formed by connecting a discharge cylinder (2) having a discharge grip (1) having a discharge opening (20) at the tip end of the cylinder and having a grip grip (1) on the base end side. In addition, the guide shaft (u) for guiding the sealer introduced from the supply pipe (3) to the discharge cylinder (2) and the communication of the guide path (u) with the discharge cylinder (2) are operated by the valve shaft (42). The valve mechanism (4) that is disconnected and contacted by the valve mechanism is stored, and the valve shaft (42) of the valve mechanism (4) is integrally or integrally provided on the front end side, and the valve mechanism (4) is opened by a slide operation. The operating shaft (7) that is switched to and from the valve closing is slidably stored in the axial direction, and the valve shaft (42) provided on the front end side of the operating shaft (7) occupies the valve closing position. A restoring spring (50) that urges the operating shaft (7) to push in the moving direction is linked. The operating shaft (7) and the grip lever (5) pivotally supported on the front side of the grip grip (1) are gripped by the grip lever (5), whereby the operating shaft (7) is moved to the valve mechanism (4). ) To the valve opening position, and when the grip lever (5) is released, the operating shaft (7) is moved to the valve closing mechanism by the spring pressure of the restoring spring (50). It is linked via a linkage mechanism (M) so as to move, and the valve mechanism (4) is opened by gripping the grip lever (5), and the sealer is discharged from the tip of the discharge cylinder (2). In the sealer gun in which the valve mechanism (4) is closed to release the sealer by releasing the gripping of 5),
On the front end side in the body (a), a cylindrical casing (60), a suction block (62) attached to the front end side of the casing (60), and a piston (reciprocating back and forth in the casing (60)) 61), a pump chamber (p) which is formed between the piston (61) and the suction block (62), and a base end side is connected to the pump chamber (p), and a distal end side is a discharge cylinder (2 ), A suction / discharge pipe (64) facing the position near the discharge port (20) and a pump device (P) of the dripping prevention device (B) are provided and provided on the front end side of the operating shaft (7). The valve shaft (42) of the valve mechanism (4) is formed in a cylindrical shape separate from the operating shaft (7), and the front end side is integrated with the rear surface side of the piston (61) of the pump device (P) or Integrally continuous, actuating shaft (7 ) On the front end side of the cylindrical valve shaft (42) fitting shaft portion fitted into (7 b) to form, the fitting shaft portion (7 b) a valve shaft in (42) the fitted slidably assembled to the fitting shaft portion (7b) to regulate the sliding range from the regulated gold again and again at a constant distance (d), the rear end of the cylindrical valve shaft (42) And the spring (D) that urges the fitting shaft portion (42) in the direction to push out the valve shaft (42) between the engagement shaft (7) provided on the peripheral surface of the operating shaft (7) Grip when setting the spring pressure stronger than that of the spring (50) and laying it over to open the valve mechanism (4) by sliding the operating shaft (7) by grasping the grip lever (5) The rotation of the lever (5) includes the first half of pushing the operating shaft (7) and the valve shaft (42) into the valve opening position while compressing the restoring spring (50), and a strong bar. Loose rotation when re-gripping the grip lever (5) by operating in two stages, the latter half of the operation of pushing the operating shaft (7) into the valve shaft (42) while compressing the screw (D) but allowed retained within the range of rotation of the rear half of the valve mechanism (4) to open, and to allow a state where allowed held pump device drip device (B) the (P) on the state of the discharge working Sheilagan characterized by that.
筒状に形成して基端側に把持グリップ(1)を具備せしめ、先端側には筒先に吐出口(20)を開設した吐出筒(2)を接続して設けたボディ(a)の内部に、供給管(3)から導入されるシーラを吐出筒(2)に導く誘導路(u)と、その誘導路(u)の前記吐出筒(2)に対する連通を弁軸(42)の作動により断・接する弁機構(4)と、を収蔵せしめるとともに、前端側に前記弁機構(4)の弁軸(42)を一体または一体的に設けてスライド作動により弁機構(4)を開弁と閉弁とに切り替え作動させる作動シャフト(7)を軸方向にスライド自在に収蔵せしめ、その作動シャフト(7)には、前端側に設けた弁軸(42)が閉弁位置を占める側に動く方向に該作動シャフト(7)を押し出すよう付勢する復元バネ(50)を連繋し、この作動シャフト(7)と、前記把持グリップ(1)の前面側に軸支せる握りレバー(5)とを、握りレバー(5)の握り込みにより、作動シャフト(7)が弁機構(4)を開弁位置とする側に動き、握りレバー(5)の握り込みの解放により、作動シャフト(7)が復元バネ(50)のバネ圧で弁機構(4)を閉弁とする側に動くよう連繋機構(M)を介して連繋して、握りレバー(5)の握り込みにより弁機構(4)が開弁作動してシーラを吐出筒(2)の筒先から吐出し、握りレバー(5)の握り込みの解放により弁機構(4)が閉弁に作動してシーラの吐出を停止させるシーラガンにおいて、
ボディ(a)内の先端側には、シリンダ状のケーシング(60)と、そのケーシング(60)の前端側に取り付ける吸引ブロック(62)と、ケーシング(60)内を前後に往復動するピストン(61)と、そのピストン(61)と前記吸引ブロック(62)との間に形成される拡縮するポンプ室(p)と、そのポンプ室(p)に基端側が接続し先端側が吐出筒(2)内において吐出口(20)の近傍位置に臨む吸引・吐出パイプ(64)と、からなる液だれ防止装置(B)のポンプ装置(P)を組み込み、作動シャフト(7)の前端側に設ける弁機構(4)の弁軸(42)は、作動シャフト(7)の前端部に前記ポンプ装置(P)のピストン(61)と略同径の拡径軸部を一体に連続させて形成して、その拡径軸部をもって弁軸(42)に構成し、その弁軸(42)と前記ポンプ装置(P)のピストン(61)とを、ピストン(61)に設けた透孔と弁軸(42)に設けてその透孔に嵌挿せる連繋金具(g)により、一定の距離(d)を隔てて対向する状態と互いに衝合し合う状態とに変化するよう連繋し、この弁軸(42)の前端とピストン(61)との間に、ピストン(61)と弁軸(42)との間隔を押し拡げるように作用するバネ(D)を、前述復元バネ(50)より強いバネ圧に設定して渡架装設して、握りレバー(5)の握り込みにより作動シャフト(7)をスライドさせて弁機構(4)を開弁させるときの握りレバー(5)の回動作動を、復元バネ(50)を圧縮しながら作動シャフト(7)とともに弁軸(42)を開弁位置に押し込んでいく前半側の作動と、強いバネ(D)を圧縮しながら作動シャフト(7)とともに弁軸(42)をピストン(61)と衝合するまで押し込んでいく後半側の作動との、2段に作動させ、握りレバー(5)を握りなおす際の緩め回動が、後半側の回動範囲内において弁機構(4)を開弁に保持せしめ液だれ防止装置(B)のポンプ装置(P)を吐出作動の状態に保持せしめた状態で行えるようにしたことを特徴とするシーラガン。
The inside of a body (a) formed by connecting a discharge cylinder (2) having a discharge grip (1) having a discharge opening (20) at the tip end of the cylinder and having a grip grip (1) on the base end side. In addition, the guide shaft (u) for guiding the sealer introduced from the supply pipe (3) to the discharge cylinder (2) and the communication of the guide path (u) with the discharge cylinder (2) are operated by the valve shaft (42). The valve mechanism (4) that is disconnected and contacted by the valve mechanism is stored, and the valve shaft (42) of the valve mechanism (4) is integrally or integrally provided on the front end side, and the valve mechanism (4) is opened by a slide operation. The operating shaft (7) that is switched to and from the valve closing is slidably stored in the axial direction, and the valve shaft (42) provided on the front end side of the operating shaft (7) occupies the valve closing position. A restoring spring (50) that urges the operating shaft (7) to push in the moving direction is linked. The operating shaft (7) and the grip lever (5) pivotally supported on the front side of the grip grip (1) are gripped by the grip lever (5), whereby the operating shaft (7) is moved to the valve mechanism (4). ) To the valve opening position, and when the grip lever (5) is released, the operating shaft (7) is moved to the valve closing mechanism by the spring pressure of the restoring spring (50). It is linked via a linkage mechanism (M) so as to move, and the valve mechanism (4) is opened by gripping the grip lever (5), and the sealer is discharged from the tip of the discharge cylinder (2). In the sealer gun in which the valve mechanism (4) is closed to release the sealer by releasing the gripping of 5),
On the front end side in the body (a), a cylindrical casing (60), a suction block (62) attached to the front end side of the casing (60), and a piston (reciprocating back and forth in the casing (60)) 61), a pump chamber (p) which is formed between the piston (61) and the suction block (62), and a base end side is connected to the pump chamber (p), and a distal end side is a discharge cylinder (2 ), A suction / discharge pipe (64) facing the position near the discharge port (20) and a pump device (P) of the dripping prevention device (B) are provided and provided on the front end side of the operating shaft (7). The valve shaft (42) of the valve mechanism (4) is formed by integrally and continuously expanding the shaft portion having the same diameter as the piston (61) of the pump device (P) at the front end portion of the operating shaft (7). Te, the valve shaft with the enlarged diameter shaft portion (42) And a connecting metal fitting that allows the valve shaft (42) and the piston (61) of the pump device (P) to be provided in the through-hole provided in the piston (61) and to be inserted into the through-hole. According to (g), it is connected so as to change into a state of facing each other and a state of abutting each other at a constant distance (d), and between the front end of this valve shaft (42) and the piston (61), The spring (D), which acts to push the gap between the piston (61) and the valve shaft (42), is set to a spring pressure stronger than that of the restoring spring (50), and is installed over the grip lever ( 5) When the operating shaft (7) is slid by the gripping of 5) to open the valve mechanism (4), the rotating operation of the grip lever (5) is performed while compressing the restoring spring (50). ) Together with the first half of the operation to push the valve shaft (42) into the open position, The grip lever (5) is operated in two stages, the second half of the operation of pushing the valve shaft (42) together with the operating shaft (7) and the piston (61) while compressing the spring (D). loosen rotation when re grip and allowed retention within the range of rotation of the rear half of the valve mechanism (4) in the valve opening, holding a pump device of drip device (B) the (P) on the state of the discharge working Sheilagan is characterized by being able to perform in a squeezed state.
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