JP2008247472A - Check valve and pump container using the same - Google Patents

Check valve and pump container using the same Download PDF

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Publication number
JP2008247472A
JP2008247472A JP2007095168A JP2007095168A JP2008247472A JP 2008247472 A JP2008247472 A JP 2008247472A JP 2007095168 A JP2007095168 A JP 2007095168A JP 2007095168 A JP2007095168 A JP 2007095168A JP 2008247472 A JP2008247472 A JP 2008247472A
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Prior art keywords
valve plate
valve
cylinder
check valve
storage chamber
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JP2007095168A
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JP5182785B2 (en
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Hirotsugu Kohara
裕嗣 古原
Takayuki Goto
孝之 後藤
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0032—Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Check Valves (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a check valve capable of reliably preventing any functional trouble of a suction valve during the liquid discharging operation or when a container is mistakenly dropped, and a pump container using the same. <P>SOLUTION: A pump container has a storage chamber R with its lower end closed by a movable bottom wall 4 which is elevated when a stored liquid is reduced, thereby keeping the stored liquid pumped out by a pump mechanism provided on the storage chamber and discharged from a discharge port 34. A suction valve A is peripherally supported by a plurality of peripheral elastic connection pieces 15, and has a valve plate 14 for closing a suction valve hole 5 in a vertically movable manner. Alternatively, the suction valve has a valve plate supported by a part of the outer surface in an opening/closing manner via a rocking piece, and has an elevating width regulating mechanism for regulating the elevating width of the valve plate. The valve plate is not moved upwardly over the predetermined elevation position, and the reliable elastic restoring force of the elastic connection pieces is ensured thereby. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は逆止弁及び該逆止弁を使用したポンプ容器に関する。   The present invention relates to a check valve and a pump container using the check valve.

ポンプ容器として、内部が上から下まで同形をなす下端面開口の筒状胴部を有する容器体と、容器体内下部に上方への摺動が可能に外周縁を液密に嵌合させた可動底壁と、容器体上端部に装着させたポンプ機構を内蔵する吐出ポンプとからなるものが知られている（例えば、特許文献１参照）。   As a pump container, a container body having a cylindrical body part with an opening at the lower end surface having the same shape from the top to the bottom, and a movable body whose outer peripheral edge is fluid-tightly fitted to the lower part of the container body so as to be able to slide upward. What consists of a bottom wall and the discharge pump which incorporates the pump mechanism with which the container body upper end part was equipped is known (for example, refer patent document 1).

この種のポンプ容器に於いて、容器体の上端開口部に吐出ポンプの吸込み弁を位置させており、これらの吸込み弁として、弁板周囲を弾性連結片により連結した形態のものが使用されている。そして、吐出ポンプの作用でシリンダ内の液が吐出された後、シリンダ内の負圧化により容器体内の液が吸込み弁を開いてシリンダ内に浸入し、また、それに伴っての容器体内の負圧化により可動底壁が上昇する如く構成されている。
特開平０８−２８２７０８号公報 In this type of pump container, the suction valve of the discharge pump is located in the upper end opening of the container body, and these suction valves are used in such a form that the periphery of the valve plate is connected by an elastic connecting piece. Yes. Then, after the liquid in the cylinder is discharged by the action of the discharge pump, the liquid in the container opens due to the negative pressure in the cylinder and enters the cylinder by opening the suction valve. The movable bottom wall is configured to rise by pressure.
Japanese Patent Laid-Open No. 08-282708

前記特許文献１のポンプ容器の場合には、液の吐出に当たり吸込み弁の弁板が上昇した際に、弁板が元に戻らないという不都合が生じる虞れがあった。弁板が元に戻らなければ当然弁機能に支障を来し、円滑な作動を阻害される。また、通常の吐出操作の他に、容器を落した衝撃で弁板が移動して元に戻らないという不都合を生じる虞れもあった。   In the case of the pump container of Patent Document 1, when the valve plate of the suction valve is raised during liquid discharge, there is a possibility that the valve plate does not return to its original state. If the valve plate does not return to its original position, naturally the valve function will be hindered and smooth operation will be hindered. In addition to the normal discharge operation, there is also a possibility that the valve plate moves due to the impact of dropping the container and does not return to the original state.

本発明は前記した点に鑑みてなされたもので、液の吐出操作中或いは、容器を誤って落下させた際に弁板が移動位置から元の状態に戻らないという不都合を確実に防止でき、常時円滑な液の吐出操作を行える逆止弁を提案するものであり、また、その様な逆止弁を使用したポンプ容器を提案する。   The present invention has been made in view of the above points, and can reliably prevent the inconvenience that the valve plate does not return to the original state from the moving position when the liquid is discharged or when the container is accidentally dropped, We propose a check valve that can perform smooth liquid discharge operation at all times, and propose a pump container using such a check valve.

本発明の逆止弁は、周方向複数の弾性連結片により周囲を支持された弁板を備え、該弁板により弁孔を開閉可能に閉塞する如く構成している。従って、弁板は常時は弾性連結片によりその下面を弁孔周囲の弁座に圧接した状態であり、弁板下流が負圧になった際に或いは弁板上流域の液圧が大きくなった際に各弾性連結片の弾発力に抗して上方へ移行する如く構成している。弾性連結片の形態は弁板とその周囲の壁面とを弁板の上昇が可能に連結した形状であれば種々採用できるが、好ましくは図示例の如く、弁板外面より外方へ延びた後弁板周面に沿って延びしかる後再び外方へ延びて周囲の壁面と連結する形態のものが弁板の移動を比較的大きくしかも安定した上下動で行えるため好ましい。また、その数は特に限定されないが、複数箇所設けると良い。   The check valve of the present invention includes a valve plate supported by a plurality of elastic connecting pieces in the circumferential direction, and is configured to close the valve hole so that the valve hole can be opened and closed by the valve plate. Therefore, the valve plate is always in a state where its lower surface is pressed against the valve seat around the valve hole by the elastic connecting piece, and when the downstream pressure of the valve plate becomes negative or the hydraulic pressure in the upstream region of the valve plate increases. At this time, it is configured to move upward against the elastic force of each elastic connecting piece. Various forms of the elastic connecting piece can be adopted as long as the valve plate and the surrounding wall surface are connected so that the valve plate can be raised, but preferably after extending outward from the outer surface of the valve plate as shown in the example of the drawing. A configuration in which the valve plate extends along the peripheral surface of the valve plate and then extends outward and is connected to the surrounding wall surface is preferable because the valve plate can be moved relatively stably and with a stable vertical movement. Further, the number is not particularly limited, but a plurality of locations may be provided.

また、本発明の逆止弁は、外面一部を揺動片を介して開閉可能に支持された弁板を備え、弁板により弁孔を開閉可能に閉塞する如く構成している。この場合弁板は常時は揺動片によりその下面を弁孔周囲の弁座上面に圧接した状態であり、弁板下流域が負圧になった際に或いは弁板上流域の液圧が大きくなった際に揺動片の弾発力に抗して上方へ開く如く構成している。   In addition, the check valve of the present invention includes a valve plate whose outer surface is supported so as to be openable and closable via a swinging piece, and is configured so that the valve hole is closed and opened by the valve plate. In this case, the valve plate is always in a state where its lower surface is pressed against the upper surface of the valve seat around the valve hole by the swinging piece, and when the downstream region of the valve plate becomes negative or the hydraulic pressure in the upstream region of the valve plate is large. When it becomes, it is configured to open upward against the elastic force of the swinging piece.

本発明の逆止弁は、弁板上方に弁板の上昇幅を規制する上昇幅規制手段を設けている。この上昇幅規制手段は、弁板下流域の負圧等により弁板が上昇或いは上方へ開いた際に必要以上の上昇或いは開角度がないようにしたものであり、それによって各弾性連結片或いは揺動片に不都合な変形が生じないようにしたものであり、上昇或いは開いた弁板が戻らない不都合を解消したものである。   The check valve of the present invention is provided with a rising width regulating means for regulating the rising width of the valve plate above the valve plate. This rising width restricting means prevents the valve plate from rising or opening more than necessary when the valve plate is lifted or opened upward due to negative pressure or the like in the downstream region of the valve plate. This is to prevent the swinging piece from being deformed in an inconvenient manner, and to eliminate the inconvenience that the lifted or opened valve plate does not return.

上昇幅規制手段は弁板が所定位置まで上昇した際に係止する係止手段を上方に設けることにより形成できる。例えば、弁板上方の所定位置に横桟を横設し、弁板の所定幅上昇時或いは所定開角度時に弁板の上面或いは弁板上端部が横桟に当接係止される如く構成する。横桟は弁板を係止可能であれば、その数は単数であっても複数であっても良く、それらがそれぞれ平行に横設したものであっても、互いにクロスし合うものであっても良く、それらを組み合わせたものであっても良い。また、各横桟は直線状のものに限らず曲線状のものであってもその形状は特定されず、種々組み合わせて使用することも可能である。また、弁板が開閉式の場合には、弁板上方所定位置に所定傾斜角度をなす傾斜面を備えた横桟を横設し、傾斜面に弁板上面が当接係止される如く構成しても良い。この場合傾斜面は横桟の一部であっても全部であっても良い。尚、横桟を使用するのは弁板周囲からの液の上方への流動がより容易に行えるためであり、従って、それによる横断面の占有面積があまり大きいものは好ましくない。   The rising width restricting means can be formed by providing a locking means for locking when the valve plate is raised to a predetermined position. For example, a horizontal beam is installed at a predetermined position above the valve plate, and the upper surface of the valve plate or the upper end of the valve plate is abutted and locked to the horizontal beam when the valve plate is raised by a predetermined width or at a predetermined opening angle. . As long as the crosspieces can lock the valve plate, the number of the crosspieces may be singular or plural, and even if they are installed in parallel, they cross each other. Or a combination thereof. Further, the shape of each horizontal rail is not limited to a straight one, and even if it is a curved one, the shape thereof is not specified, and various combinations can be used. In addition, when the valve plate is openable, a horizontal rail having an inclined surface having a predetermined inclination angle is provided at a predetermined position above the valve plate, and the upper surface of the valve plate is abutted and locked to the inclined surface. You may do it. In this case, the inclined surface may be a part or all of the horizontal rail. The reason why the cross rail is used is that the liquid can be easily flowed upward from the periphery of the valve plate. Therefore, it is not preferable that the cross section occupies a large area.

別の形態として、横桟の下面に係止突部を垂設し、弁板の所定幅上昇時或いは所定開角度時に弁板の上面が係止突部に当接係止される如く構成する。係止突部の数或いは形状はその目的を達成することができれば種々採用できるが、数が一箇所の場合には中心部に垂設すると良い。また、弁板が開閉式の場合には係止突部の下面を傾斜面に形成して弁板が所定角度開いた際に同じ角度でその上面に当接係止する如く構成すると良い。   As another form, a locking projection is suspended from the lower surface of the horizontal rail, and the upper surface of the valve plate is configured to abut and lock the locking projection when the valve plate is raised by a predetermined width or at a predetermined opening angle. . The number or shape of the locking projections can be variously adopted as long as the purpose can be achieved. Further, when the valve plate is of an openable / closable type, it is preferable that the lower surface of the locking projection is formed as an inclined surface so that when the valve plate is opened at a predetermined angle, the valve plate contacts and locks the upper surface at the same angle.

上昇幅規制手段により弁板が上昇する幅或いは開角度は、その弾性連結片や揺動片の形態，シリンダの大きさ等を考慮して選択すれば良い。例として１〜１０ｍｍ程度の範囲或いは１０〜４５°の開角度が挙げられるが、当然これに限られるものではない。   The width or opening angle at which the valve plate is lifted by the lift width restricting means may be selected in consideration of the shape of the elastic connecting piece and the swinging piece, the size of the cylinder, and the like. Examples include a range of about 1 to 10 mm or an open angle of 10 to 45 °, but the present invention is not limited to this.

本発明の逆止弁は、例えばポンプ容器、チューブ容器等種々の形態の液体吐出容器に使用することができ、本発明のポンプ容器はこの逆止弁を吸込み弁として採用しており、収納液の減少により上昇する可動底壁により下端を閉塞した収納室を備えている。また、収納室の上端は吸込み弁を介してシリンダ内に連通させている。従って収納室の周壁は可動底壁が外周縁を摺動上昇可能な形態であり、少なくとも可動底壁が上昇する範囲の周壁は内径が下から上まで同径で可動底壁の外周縁が密嵌可能な形状とする。   The check valve of the present invention can be used for various types of liquid discharge containers such as a pump container and a tube container, for example, and the pump container of the present invention employs this check valve as a suction valve. And a storage chamber whose lower end is closed by a movable bottom wall that rises due to a decrease in. The upper end of the storage chamber communicates with the cylinder via a suction valve. Accordingly, the peripheral wall of the storage chamber is configured such that the movable bottom wall can slide and rise on the outer peripheral edge. The shape can be fitted.

収納室の上部には収納室内の液を吸い上げて吐出するポンプ機構を備えている。ポンプ機構は、従来のこの種の容器に使用されているポンプ機構であれば種々の形態を採用できるが、シリンダ内を摺動するピストンと連繋させたステムの上端に吐出ヘッドを嵌着して上方付勢状態で押し下げ可能に設けた作動部材を備え、作動部材を上下動させることによりシリンダ内の液を吐出ヘッドの吐出口より吐出する如く構成した形態のものが好ましく採用される。   A pump mechanism for sucking up and discharging the liquid in the storage chamber is provided in the upper portion of the storage chamber. The pump mechanism can adopt various forms as long as it is a pump mechanism used in this type of conventional container, but a discharge head is fitted to the upper end of a stem connected to a piston sliding in the cylinder. It is preferable to employ a configuration in which an operating member that can be pushed down in an upward biased state is provided, and the liquid in the cylinder is discharged from the discharge port of the discharge head by moving the operating member up and down.

前記ポンプ容器は、主として合成樹脂により形成され、必要に応じて、コイルスプリングに金属を使用したり或いは弾力性を必要する部分にエラストマーを使用して形成されるが特に限定されない。   The pump container is mainly formed of a synthetic resin, and is formed using a metal for a coil spring or an elastomer for a portion requiring elasticity, if necessary, but is not particularly limited.

第１の手段として、以下の通り構成した。即ち、周方向複数の弾性連結片15により周囲を支持されるとともに、弁孔を上下動可能に閉塞した弁板14を備え、且つ、弁板14上方に弁板14の上昇幅を規制する上昇幅規制手段を設けたことを特徴とする逆止弁。   The first means is configured as follows. In other words, the valve plate 14 is supported by the plurality of elastic connecting pieces 15 in the circumferential direction, and the valve hole is closed so that the valve hole can be moved up and down. A check valve provided with a width regulating means.

第２の手段として、以下の通り構成した。即ち、前記第１の手段に於いて、前記上昇幅規制手段を、弁板14上方所定位置に横設した単数又は複数の横桟16として構成した。   The second means is configured as follows. That is, in the first means, the ascending width restricting means is configured as one or a plurality of horizontal rails 16 provided horizontally at a predetermined position above the valve plate 14.

第３の手段として、以下の通り構成した。即ち、前記第２の手段に於いて、前記複数の横桟16が、井型に配置された複数の横桟である。   The third means was configured as follows. That is, in the second means, the plurality of horizontal bars 16 are a plurality of horizontal bars arranged in a well shape.

第４の手段として、以下の通り構成した。即ち、前記第１の手段に於いて、前記上昇幅規制手段を、弁板14上方所定位置に横設した横桟16の下面に垂設した単数又は複数の係止突部40として構成した。   The fourth means is configured as follows. That is, in the first means, the ascending width restricting means is configured as one or a plurality of locking protrusions 40 suspended from the lower surface of the horizontal rail 16 horizontally provided at a predetermined position above the valve plate 14.

第５の手段として、以下の通り構成した。即ち、前記第４の手段に於いて、前記横桟16をシリンダ10中央部を横断して横設し、前記係止突部40を横桟16中央部に垂設した。   The fifth means is configured as follows. That is, in the fourth means, the horizontal beam 16 is installed horizontally across the central portion of the cylinder 10, and the locking projection 40 is provided vertically at the central portion of the horizontal beam 16.

第６の手段として、以下の通り構成した。即ち、前記第１の手段乃至第５の手段のいずれかの手段に於いて、前記各弾性連結片15が、弁板14外面所定位置より外方へ延びた後弁板14周面に沿って延び、しかる後外方へ延びる形態をなす。   The sixth means is configured as follows. In other words, in any one of the first to fifth means, each elastic connecting piece 15 extends along the peripheral surface of the rear valve plate 14 extending outward from a predetermined position on the outer surface of the valve plate 14. It extends and then forms outward.

第７の手段として、以下の通り構成した。即ち、収納液の減少に伴い上昇する可動底壁４により下端を閉塞した収納室Ｒと、収納室Ｒ上に設けるとともに、収納室Ｒ内と吸込み弁Ａを介して連通させたシリンダ10と、シリンダ10内を摺動するピストン20と連繋させたステム21の上端に吐出ヘッド22を嵌着して上方付勢状態で押し下げ可能に設けた作動部材11とを備え、作動部材11を上下動させることによりシリンダ10内の液を吐出ヘッド22の吐出口34より吐出する如く構成したポンプ容器であって、前記吸込み弁Ａとして、前記第１の手段乃至第６の手段のいずれかに記載の逆止弁を設けたことを特徴とするポンプ容器。   The seventh means is configured as follows. That is, a storage chamber R whose lower end is closed by a movable bottom wall 4 that rises as the storage liquid decreases, a cylinder 10 that is provided on the storage chamber R and communicated with the interior of the storage chamber R via a suction valve A; The discharge head 22 is fitted to the upper end of the stem 21 linked to the piston 20 that slides in the cylinder 10, and is provided so as to be able to be pushed down in the upward biased state, and the operation member 11 is moved up and down. Accordingly, the pump container is configured to discharge the liquid in the cylinder 10 from the discharge port 34 of the discharge head 22, and the suction valve A is the reverse of any one of the first to sixth means. A pump container provided with a stop valve.

第８の手段として、以下の通り構成した。即ち、外面一部に揺動片50を介して開閉可能に支持されるとともに、弁孔を開閉可能に閉塞した弁板14を備え、且つ、弁板14上方に弁板14の開放上昇幅を規制する上昇幅規制手段を設けたことを特徴とする逆止弁。   The eighth means is configured as follows. That is, a valve plate 14 is supported on a part of the outer surface through an oscillating piece 50 so as to be openable and closable, and the valve hole is closed so as to be openable and closable. A check valve characterized in that a rising width regulating means for regulating is provided.

第９の手段として、以下の通り構成した。即ち、前記第８の手段に於いて、前記上昇幅規制手段が、弁板14上方所定位置に横設した単数又は複数の横桟16として構成した。   The ninth means is configured as follows. That is, in the eighth means, the ascending width restricting means is configured as a single or a plurality of horizontal bars 16 provided horizontally at a predetermined position above the valve plate 14.

第10の手段として、以下の通り構成した。即ち、前記第８の手段に於いて、前記上昇幅規制手段が、弁板14上方所定位置に所定傾斜角度をなす傾斜面f1を備えた横桟16を横設し、傾斜面f1に弁板14上面が当接係止される如く構成した。 The tenth means is configured as follows. That is, in the eighth means, the ascending width restricting means lays the horizontal rail 16 provided with the inclined surface f 1 having a predetermined inclination angle at a predetermined position above the valve plate 14, and the inclined surface f 1 The upper surface of the valve plate 14 is configured to be abutted and locked.

第11の手段として、以下の通り構成した。即ち、前記第８の手段に於いて、前記上昇幅規制手段を、弁板14上方所定位置に横設した横桟16の下面に垂設し、下面が所定の傾斜面f2をなす係止突部40a として構成した。 The eleventh means is configured as follows. That is, the In eighth means, the rise regulating means, and suspended from the lower surface of the rungs 16 which is horizontally provided on the valve plate 14 upward position, engaging the lower surface forms a predetermined inclined surface f 2 The protrusion 40a is configured.

第12の手段として、以下の通り構成した。即ち、収納液の減少に伴い上昇する可動底壁４により下端を閉塞した収納室Ｒと、収納室Ｒ上に設けるとともに、収納室Ｒ内と吸込み弁Ａを介して連通させたシリンダ10と、シリンダ10内を摺動するピストン20と連繋させたステム21の上端に吐出ヘッド22を嵌着して上方付勢状態で押し下げ可能に設けた作動部材11とを備え、作動部材11を上下動させることによりシリンダ10内の液を吐出ヘッド22の吐出口34より吐出する如く構成したポンプ容器であって、前記吸込み弁Ａとして、前記第８の手段乃至第11の手段のいずれかに記載の逆止弁を設けたことを特徴とするポンプ容器。   The twelfth means is configured as follows. That is, a storage chamber R whose lower end is closed by a movable bottom wall 4 that rises as the storage liquid decreases, a cylinder 10 that is provided on the storage chamber R and communicated with the interior of the storage chamber R via a suction valve A; The discharge head 22 is fitted to the upper end of the stem 21 linked to the piston 20 that slides in the cylinder 10, and is provided so as to be able to be pushed down in the upward biased state, and the operation member 11 is moved up and down. Accordingly, the pump container is configured to discharge the liquid in the cylinder 10 from the discharge port 34 of the discharge head 22, and the suction valve A is the reverse of any of the eighth means to the eleventh means. A pump container provided with a stop valve.

本発明第１の手段の逆止弁は、液の吐出操作の際は勿論、大きな衝撃を受けた場合にも、弁板14が所定の上昇幅以上は上昇せず、その結果弾性連結片15に無用な負担が係ることがなくてその変形が生じる虞れがなく、弁板14が弁孔から離れた位置に開いたままの状態となるという不都合を生じる虞れがない。   The check valve of the first means of the present invention does not raise the valve plate 14 beyond a predetermined rising width not only during the liquid discharge operation but also when receiving a large impact, and as a result, the elastic connecting piece 15 Therefore, there is no possibility that the valve plate 14 is left open at a position away from the valve hole.

また、上昇幅規制手段を、弁板14上方所定位置に横設した単数又は複数の横桟16として構成した場合には、弁板14上面を水平な横桟16下面で係止できるため、安定した弁板14の当接係止が可能となる。この場合、複数の横桟16が井型に配置されている場合には、上昇した弁板14を所定位置でその水平を確実に保持して係止することができ、各弾性連結片15を均等に弾性変形させることができ、その結果、各弾性連結片15に充分な弾性復元力を発揮させることができる。また、弁板14上面に交差部分が当接係止する如く構成でき、横桟16の密度の濃い部分を弁板14上面に当接させてより安定した係止ができるとともに、その他の密度の薄い部分を液の通路とすることができ、安定した弁の係止と円滑な液の導入とを兼ね備えた形態となる。   In addition, when the ascending width restricting means is configured as a single or a plurality of horizontal rails 16 installed horizontally at a predetermined position above the valve plate 14, the upper surface of the valve plate 14 can be locked by the lower surface of the horizontal horizontal rail 16 so that it is stable. The valve plate 14 can be abutted and locked. In this case, when the plurality of horizontal rails 16 are arranged in a well shape, the raised valve plate 14 can be securely held and locked at a predetermined position, and each elastic connecting piece 15 can be locked. It is possible to uniformly elastically deform, and as a result, each elastic connecting piece 15 can exhibit a sufficient elastic restoring force. In addition, the crossing portion can be configured to contact and lock the upper surface of the valve plate 14, and the dense portion of the crosspiece 16 can be contacted to the upper surface of the valve plate 14 for more stable locking, and other density The thin portion can be used as a liquid passage, and has a form in which stable valve locking and smooth liquid introduction are combined.

上昇幅規制手段を、弁板14上方所定位置に横設した横桟16の下面に垂設した単数又は複数の係止突部40として構成した場合には、弁板14と横桟16との接触面積を極力少なくできるため、シリンダ10内への液の導入をより円滑に行える利点を兼ね備える。   When the ascending width restricting means is configured as one or a plurality of locking projections 40 suspended from the lower surface of the horizontal beam 16 horizontally disposed at a predetermined position above the valve plate 14, the valve plate 14 and the horizontal beam 16 Since the contact area can be reduced as much as possible, the liquid can be introduced into the cylinder 10 more smoothly.

横桟16をシリンダ10中央部を横断して横設し、前記係止突部40を横桟16中央部に垂設した場合には、係止突部40の存在で弁板14と横桟16との接触面積を極力少なくできるとともに、横桟16の占有面積も極力少なくでき、シリンダ10内への液の導入を更に円滑に行える利点を兼ね備える。   When the horizontal beam 16 is installed horizontally across the center of the cylinder 10 and the locking projection 40 is suspended from the central portion of the horizontal beam 16, the valve plate 14 and the horizontal beam are formed due to the presence of the locking projection 40. The area of contact with 16 can be reduced as much as possible, and the area occupied by the crosspiece 16 can also be reduced as much as possible. This has the advantage that the liquid can be introduced into the cylinder 10 more smoothly.

弁板14外面所定位置より外方へ延びた後弁板14周面に沿って延び、しかる後外方へ延びる形態の弾性連結片15を採用した場合には、弁板14の上昇幅を比較的ゆとりをもって選択でき、弁板14の上下動も円滑に行える利点がある。   When the elastic connecting piece 15 is extended along the outer peripheral surface of the rear valve plate 14 extending outward from a predetermined position on the outer surface of the valve plate 14 and then extended outward, the rising width of the valve plate 14 is compared. There is an advantage that the valve plate 14 can be smoothly moved up and down smoothly.

本発明第７の手段のポンプ容器は、液の吐出操作の際は勿論、誤って容器を落とす等の場合にも、吸込み弁Ａの弁板14が所定の上昇幅以上は上昇せず、その結果弾性連結片15に無用な負担が係ることがなくてその変形が生じる虞れがなく、弁板14が吸込み弁孔５から離れた位置に開いたままの状態となるという不都合を生じる虞れがない。   The pump container according to the seventh means of the present invention does not raise the valve plate 14 of the suction valve A beyond a predetermined rising width not only when the liquid is discharged, but also when the container is accidentally dropped. As a result, there is no possibility that the elastic connecting piece 15 is unnecessarily burdened and deformed, and the valve plate 14 may remain open at a position away from the suction valve hole 5. There is no.

逆止弁が、外面一部に揺動片50を介して開閉可能に支持されるとともに、弁孔を開閉可能に閉塞した弁板14を備え、且つ、弁板14上方に弁板14の開放上昇幅を規制する上昇幅規制手段を設けた場合には、上下動可能な弁板を有する逆止弁の場合と同様に、液の吐出操作の際は勿論、誤って容器を落とす等の場合にも、弁板14が所定の開角度以上は開かず、その結果揺動片50に無用な負担が係ることがなくてその変形が生じる虞れがなく、或いは弁板14が必要以上に開いてしまう虞れがなく、弁板14が弁孔から離れた位置に開いたままの状態となるという不都合を生じる虞れがない。この場合弁板14上方所定位置に横設した単数又は複数の横桟16として構成した上昇幅規制手段を設けた場合には、その構造が簡単で、容易に形成できる利点を兼ね備えている。   The check valve is supported by a part of the outer surface through an oscillating piece 50 so as to be openable and closable, and includes a valve plate 14 that closes the valve hole so that the valve hole can be opened and closed, and the valve plate 14 is opened above the valve plate 14 In the case where a rising width restricting means for restricting the rising width is provided, as in the case of a check valve having a valve plate that can move up and down, of course, in the case of accidentally dropping a container, etc. In addition, the valve plate 14 does not open more than a predetermined opening angle, and as a result, there is no possibility that the swing piece 50 is subjected to unnecessary load and the deformation thereof occurs, or the valve plate 14 opens more than necessary. There is no risk of inconvenience that the valve plate 14 remains open at a position away from the valve hole. In this case, when the ascending width restricting means configured as one or a plurality of horizontal rails 16 provided horizontally at a predetermined position above the valve plate 14 is provided, the structure is simple and has an advantage that it can be easily formed.

弁板14上方所定位置に所定傾斜角度をなす傾斜面f1を備えた横桟16を横設し、傾斜面f1に弁板14上面が当接係止される如く構成した上昇幅規制手段を設けた場合には、開放した弁板14の上面に面接触で傾斜面f1が当接して安定した弁板14の係止を行え、所定の開放面に捩じれ等がなく正確に弁板14を開放させることができる利点がある。その結果揺動片50への負担をより軽減することができる。 Ascending width restricting means configured such that a horizontal beam 16 having an inclined surface f 1 having a predetermined inclination angle is provided at a predetermined position above the valve plate 14 and the upper surface of the valve plate 14 is in contact with and locked to the inclined surface f 1. the when provided, can inclined face f 1 at the upper surface to surface contact of the open valve plate 14 is a locking of the valve plate 14 stable in contact with exactly valve plate without such twisting a given open surface There is an advantage that 14 can be opened. As a result, the burden on the swing piece 50 can be further reduced.

弁板14上方所定位置に横設した横桟16の下面に垂設し、下面が所定の傾斜面f2をなす係止突部40a として構成した上昇幅規制手段を設けた場合には、傾斜面f1を備えた横桟16の場合と同様に、所定の開放面に捩じれ等がなく正確に弁板14を開放させることができる利点があり、揺動片50への負担をより軽減することができる。 Was suspended from the lower surface of the rungs 16 which is horizontally provided on the valve plate 14 upward position, if the lower surface is provided with a rise regulating means arranged as a locking projection 40a forming a predetermined inclined surface f 2 is inclined As in the case of the horizontal beam 16 having the surface f 1 , there is an advantage that the valve plate 14 can be opened accurately without twisting or the like on a predetermined opening surface, and the burden on the swing piece 50 is further reduced. be able to.

本発明第12の手段のポンプ容器は、液の吐出操作の際は勿論、誤って容器を落とす等の場合にも、吸込み弁Ａの弁板14が所定の開角度以上は開かず、その結果揺動板50に無用な負担が係ることがなくてその変形が生じる虞れがなく、弁板14が吸込み弁孔５から離れた位置に開いたままの状態となるという不都合を生じる虞れがない。   In the pump container of the twelfth means of the present invention, the valve plate 14 of the suction valve A does not open more than a predetermined opening angle not only when the liquid is discharged, but also when the container is accidentally dropped. There is no possibility that the rocking plate 50 is unnecessarily burdened and the deformation thereof does not occur, and there is a possibility that the valve plate 14 remains open at a position away from the suction valve hole 5. Absent.

以下、本発明の実施例の形態を図面を参照して説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１乃至図６は本発明ポンプ容器の一例を示し、図中１はポンプ容器を示す。該ポンプ容器１は、液を収納する収納室Ｒを備えている。収納室Ｒは、内径が下から上まで同径をなす周壁２と、周壁２の上端より延設した頂壁３と、周壁２の下部に装着した可動底壁４とで画成され、頂壁３の中央に吸込み弁孔５を開口している。   1 to 6 show an example of the pump container according to the present invention. In the figure, 1 denotes a pump container. The pump container 1 includes a storage chamber R for storing a liquid. The storage chamber R is defined by a peripheral wall 2 having the same inner diameter from the bottom to the top, a top wall 3 extending from the upper end of the peripheral wall 2, and a movable bottom wall 4 attached to the lower part of the peripheral wall 2. A suction valve hole 5 is opened at the center of the wall 3.

可動底壁４は、周壁２の内周下部を横断して閉塞する底壁部4a外周縁より、上下縁をそれぞれ上向きスカート状及び下向きスカート状に外方へ突出形成させた縦長環状の摺動部4bを延設し、その上下スカート状部を周壁２内面に液密且つ摺動可能に嵌合させている。また、底壁部4a下面中央より円筒状の垂下筒4cを一体に垂設している。また、可動底壁４装着位置下方の周壁２下端部に外周縁部を嵌着固定させて底蓋６を装着している。底蓋６の上面中央より周方向複数の切溝を縦設してなる支持筒6aを立設し、該支持筒6a上端に垂下筒4cの下端を当接している。   The movable bottom wall 4 is a vertically long annular slide having upper and lower edges projecting outward in an upward skirt shape and a downward skirt shape from the outer peripheral edge of the bottom wall portion 4a that is closed across the lower inner periphery of the peripheral wall 2. The portion 4b is extended, and the upper and lower skirt-like portions are fitted to the inner surface of the peripheral wall 2 so as to be liquid-tight and slidable. A cylindrical hanging cylinder 4c is integrally suspended from the bottom center of the bottom wall 4a. Further, the bottom lid 6 is mounted by fitting and fixing the outer peripheral edge portion to the lower end portion of the peripheral wall 2 below the mounting position of the movable bottom wall 4. A support cylinder 6a is vertically provided from a center of the upper surface of the bottom lid 6 and a plurality of circumferential grooves are vertically provided, and a lower end of the drooping cylinder 4c is brought into contact with an upper end of the support cylinder 6a.

収納室Ｒの上部には収納室Ｒ内と吸込み弁Ａを介して連通させたシリンダ10を立設しており、またシリンダ10内に下端部を摺動可能に嵌合させた作動部材11を備えている。また、吸込み弁Ａ上方には弁板14の上昇幅を規制する上昇幅規制手段を備えている。   In the upper part of the storage chamber R, a cylinder 10 that is in communication with the storage chamber R via a suction valve A is erected, and an operating member 11 that has a lower end slidably fitted in the cylinder 10 is provided. I have. Further, an upward width restricting means for restricting the upward width of the valve plate 14 is provided above the suction valve A.

図２乃至図５は吸込み弁Ａ及び上昇幅規制手段を形成する弁部材12を示し、弁部材12は嵌合筒13と弁板14とを、周方向三箇所の弾性連結片15により連結して弁板14を上下動可能に支持している。嵌合筒13は上部に上昇幅規制手段を一体に形成するために、縦幅を大きく形成しており、しかも、全体を容易に一体成形することができるように、下部筒部13a と上部筒部13b とを一対の連結部13c で連結した形態を採っている。従って、各弾性連結片15は一端を下部筒部13a に連結していることとなる。また、各弾性連結片15は弁板14の外面所定位置より外方へ延びた後弁板周面に沿って延び、しかる後再び外方へ延びて嵌合筒13内面所定位置に連結している。   FIGS. 2 to 5 show a suction valve A and a valve member 12 forming a rising width restricting means. The valve member 12 connects a fitting cylinder 13 and a valve plate 14 by elastic connecting pieces 15 in three circumferential directions. The valve plate 14 is supported so as to be movable up and down. The fitting cylinder 13 is formed with a large vertical width in order to integrally form the rising width regulating means at the upper part, and the lower cylinder part 13a and the upper cylinder are formed so that the whole can be easily formed integrally. The part 13b is connected by a pair of connecting parts 13c. Therefore, one end of each elastic connecting piece 15 is connected to the lower cylindrical portion 13a. Each elastic connecting piece 15 extends along the rear valve plate peripheral surface extending outward from a predetermined position on the outer surface of the valve plate 14, and then extends outward again to connect to the predetermined position on the inner surface of the fitting cylinder 13. Yes.

上昇幅規制手段は、弁板14の上昇幅を規制するためのもので、上部筒部13b 内面所定位置を前後左右に各一対ずつ掛け渡して井型に配置された四本の横桟16で構成されている。（図３参照）。   The ascending width restricting means is for restricting the ascending width of the valve plate 14, and includes four horizontal rails 16 arranged in a well-like manner by spanning a predetermined position on the inner surface of the upper cylindrical portion 13b in front, rear, left and right. It is configured. (See FIG. 3).

そして、嵌合筒13をシリンダ10内周下端部に嵌合させ、上端をシリンダ10内周に突設した係止突条17により係止させて抜け出し防止を図って弁部材12をシリンダ10内周下端部に装着している。この際、弁板14の周縁部を吸込み弁孔５周囲の頂壁３上面に圧接して吸込み弁孔５を開閉可能に閉塞する吸込み弁Ａを形成している。弁板14は図６（ａ）に示す吸込み弁孔５閉塞状態から図６（ｂ）に示す弁板14上面が各横桟16の下面に当接係止されるまでの間を上下動する。   Then, the fitting cylinder 13 is fitted to the lower end portion of the inner periphery of the cylinder 10, and the upper end is locked by the locking protrusion 17 projecting from the inner periphery of the cylinder 10 to prevent the valve member 12 from being inserted into the cylinder 10. It is attached to the lower end of the circumference. At this time, the suction valve A that closes the suction valve hole 5 so as to be openable and closable is formed by pressing the peripheral edge of the valve plate 14 against the upper surface of the top wall 3 around the suction valve hole 5. The valve plate 14 moves up and down from the closed state of the suction valve hole 5 shown in FIG. 6A until the upper surface of the valve plate 14 shown in FIG. .

作動部材11は、シリンダ10内周に外周を摺動可能に嵌合させたピストン20と、ピストン20内周縁部を所定幅の上下動が可能に嵌合させたステム21と、ステム21上端に嵌着した吐出ヘッド22とを備えており、コイルスプリング23により常時上方に付勢されている。   The actuating member 11 includes a piston 20 fitted to the inner periphery of the cylinder 10 so that the outer periphery is slidable, a stem 21 fitted to the inner peripheral edge of the piston 20 so that it can move up and down by a predetermined width, and an upper end of the stem 21. The discharge head 22 is fitted, and is always urged upward by a coil spring 23.

ステム21は有底筒状で、筒壁下部所定位置には透孔24を穿設し、また、透孔24下方の筒壁外周よりフランジ状の吐出弁座25を突設している。ピストン20は断面Ｈ状をなす環状で、外周筒状片の上端縁及び下端縁をそれぞれシリンダ10内周に液密摺動可能に嵌合させている。また、内周筒状片の上端縁を透孔24上方のステム21外周に形成した下端開口の環状凹部26の外側面に液密摺動可能に嵌合させるとともに、内周筒状片の下端縁を吐出弁座25に液密に圧接している。そして、常時はピストン20と吐出弁座25とで構成する吐出弁Ｂが閉じており、作動部材11の押し下げ時にピストン20がステム21に対して相対上昇して吐出弁Ｂが開く如く構成している。   The stem 21 has a bottomed cylindrical shape, and a through hole 24 is formed at a predetermined position on the bottom of the cylinder wall, and a flange-like discharge valve seat 25 projects from the outer periphery of the cylinder wall below the through hole 24. The piston 20 has an annular shape having an H-shaped cross section, and the upper end edge and the lower end edge of the outer peripheral cylindrical piece are fitted to the inner periphery of the cylinder 10 so as to be liquid-tightly slidable. Further, the upper end edge of the inner peripheral cylindrical piece is fitted to the outer surface of the annular recess 26 of the lower end opening formed on the outer periphery of the stem 21 above the through hole 24 so as to be liquid-tightly slidable, and the lower end of the inner peripheral cylindrical piece The edge is in liquid-tight pressure contact with the discharge valve seat 25. The discharge valve B constituted by the piston 20 and the discharge valve seat 25 is normally closed, and the piston 20 is lifted relative to the stem 21 when the operating member 11 is pushed down so that the discharge valve B is opened. Yes.

吐出ヘッド22は、ステム21の上部外周に嵌合させた縦筒30を頂板31の裏面より垂設し、頂板31の周縁部より周壁部32を垂設している。また、縦筒30の上部に基端を開口したノズル33の先端を周壁部32を貫通してその前方へ突出し、先端に吐出口34を開口している。吐出ヘッド22の頂部裏面とシリンダ10外方の容器上面との間に前記コイルスプリング23を介在させており、シリンダ10外方の容器上面に形成した下向き段部35に吐出ヘッド周壁部32の係合突条36を係合させて上方への抜け出しを防止している。   In the discharge head 22, a vertical cylinder 30 fitted to the upper outer periphery of the stem 21 is suspended from the back surface of the top plate 31, and a peripheral wall portion 32 is suspended from the peripheral portion of the top plate 31. Further, the tip of a nozzle 33 having an open base at the top of the vertical cylinder 30 passes through the peripheral wall portion 32 and protrudes forward, and a discharge port 34 is opened at the tip. The coil spring 23 is interposed between the back surface of the top of the discharge head 22 and the upper surface of the container outside the cylinder 10, and the discharge head peripheral wall portion 32 is engaged with the downward step 35 formed on the upper surface of the container outside the cylinder 10. The mating ridge 36 is engaged to prevent upward slipping.

そして、吐出ヘッド22をコイルスプリング23の上方付勢に抗して押し下げることにより、液圧で環状ピストン20がステム21に対して相対的に上昇して吐出弁Ｂが開き、この際シリンダ10内とステム21内とが透孔24を介して連通することから、シリンダ10内の液が透孔24を介してノズル33先端の吐出口34より吐出する。一方、吐出ヘッド22が上昇する際にはピストン20がステム21に対して相対下降して吐出弁Ｂが閉じ、その際負圧化したシリンダ10内に吸込み弁Ａを開いて収納室Ｒ内の液が導入される如く構成している。この際、弁板14が所定位置まで上昇すると弁体14上面が各横桟16の裏面に当接して弁板14がそれ以上上方に移行するのを防止する。   Then, by pushing down the discharge head 22 against the upward bias of the coil spring 23, the annular piston 20 rises relative to the stem 21 by the hydraulic pressure, and the discharge valve B is opened. Since the inside of the stem 21 communicates with the inside of the stem 21 through the through hole 24, the liquid in the cylinder 10 is discharged from the discharge port 34 at the tip of the nozzle 33 through the through hole 24. On the other hand, when the discharge head 22 is raised, the piston 20 is lowered relative to the stem 21 and the discharge valve B is closed. At that time, the suction valve A is opened in the cylinder 10 which has become negative pressure, and the inside of the storage chamber R is opened. The liquid is introduced. At this time, when the valve plate 14 rises to a predetermined position, the upper surface of the valve body 14 abuts against the back surface of each horizontal rail 16 to prevent the valve plate 14 from moving further upward.

尚、図１乃至図６の例では、井型に配置された横桟16により上昇幅規制手段を構成しているが、横桟16の配置形態として、図７乃至図９に示す別の配置形態のものを採用することも可能である。図７は中央部を一本の横桟16を横断させた形態であり、図８は中央から等間隔に三方へ放射状に横桟16を設けた形態であり、また、図９は十字型に横桟16を配置した形態である。これら図７乃至図９は図１の例に於いて井型に配置された横桟16に代えて前記状態の横桟16を設けた形態であり、他の構成は図１の例と同様である。   In the example of FIGS. 1 to 6, the rising width restricting means is constituted by the horizontal rail 16 arranged in a well shape, but as an arrangement form of the horizontal rail 16, another arrangement shown in FIGS. 7 to 9 is used. It is also possible to adopt a form. FIG. 7 shows a configuration in which the central portion is traversed by one horizontal crosspiece 16, FIG. 8 shows a configuration in which the horizontal crosspieces 16 are provided radially in three directions at equal intervals from the center, and FIG. 9 shows a cross shape. This is a form in which a horizontal rail 16 is arranged. 7 to 9 show a mode in which the horizontal beam 16 in the above state is provided in place of the horizontal beam 16 arranged in a well shape in the example of FIG. 1, and other configurations are the same as the example of FIG. is there.

図10及び図11は図１のポンプ容器に使用する弁部材12の他の例を示し、異なる上昇幅規制手段を採用した例を示す。上昇幅規制手段は、上部筒部13b の中央を横断して設けた横桟16の下面中央より係止突部40を垂設している。その他の構成は図１の例と同様であるため、同符号を付して説明を省略する。   10 and 11 show another example of the valve member 12 used in the pump container of FIG. 1, and show an example in which different rising width regulating means are adopted. The ascending width restricting means suspends the locking projection 40 from the center of the lower surface of the horizontal rail 16 provided across the center of the upper cylindrical portion 13b. The other configuration is the same as that of the example of FIG.

この場合も、吐出ヘッド22を押し下げることにより、同様に、シリンダ10内の液が透孔24を介してノズル33先端の吐出口34より吐出する。一方、吐出ヘッド22が上昇する際には同様にシリンダ10内に収納室Ｒ内の液が導入される。この際、弁板14が所定位置まで上昇するとその上面が係止突部40下面に当接して弁板14がそれ以上上方に移行するのを防止する。   Also in this case, by pushing down the discharge head 22, the liquid in the cylinder 10 is similarly discharged from the discharge port 34 at the tip of the nozzle 33 through the through hole 24. On the other hand, when the discharge head 22 is raised, the liquid in the storage chamber R is similarly introduced into the cylinder 10. At this time, when the valve plate 14 rises to a predetermined position, the upper surface of the valve plate 14 comes into contact with the lower surface of the locking projection 40 to prevent the valve plate 14 from moving further upward.

図12乃至図16は更に他の例を示し、図１のポンプ容器に於いて、吸込み弁Ａの形態及び上昇幅規制手段の形態が相違する例を示す。吸込み弁Ａは、外面一部を揺動片50を介して開閉可能に支持されるとともに、吸込み弁孔５を開閉可能に閉塞した弁板14を備えている。揺動片50の他端は下部筒部13a の内面所定位置に一体に連結している。上昇幅規制手段は、図１の例と同様構成であり、その他の構成も図１の例と同様構成であるため、同符号を付して説明を省略する。   12 to 16 show still other examples, and in the pump container of FIG. 1, an example in which the form of the suction valve A and the form of the rising width regulating means are different is shown. The suction valve A is provided with a valve plate 14 whose outer surface is supported so as to be openable and closable via a swing piece 50 and which closes the suction valve hole 5 so as to be openable and closable. The other end of the swing piece 50 is integrally connected to a predetermined position on the inner surface of the lower cylindrical portion 13a. The ascending width restricting means has the same configuration as that of the example of FIG. 1, and the other configurations are also the same as those of the example of FIG.

この場合も、吐出ヘッド22を押し下げることにより、同様に、シリンダ10内の液が透孔24を介してノズル33先端の吐出口34より吐出する。一方、吐出ヘッド22が上昇する際には同様にシリンダ10内に収納室Ｒ内の液が導入される。この際、弁板14が所定位置まで開くとその上端部が横桟16下面に当接して弁板14がそれ以上上方に移行するのを防止する（図16参照）。 Also in this case, by pushing down the discharge head 22, the liquid in the cylinder 10 is similarly discharged from the discharge port 34 at the tip of the nozzle 33 through the through hole 24. On the other hand, when the discharge head 22 is raised, the liquid in the storage chamber R is similarly introduced into the cylinder 10. At this time, when the valve plate 14 is opened to a predetermined position, the upper end of the valve plate 14 comes into contact with the lower surface of the horizontal rail 16 to prevent the valve plate 14 from moving further upward (see FIG. 16).

図17及び図18は更に他の例を示し、図12の形態の吸込み弁Ａを備えたポンプ容器に於いて、上昇幅規制手段の形態が相違する例を示す。この場合の上昇幅規制手段は、弁板14上方位置に所定傾斜角度をなす傾斜面f1を備えた横桟16を横設している。その他の構成は図12の例と同様構成であるため、同符号を付して説明を省略する。 17 and 18 show still another example, and in the pump container provided with the suction valve A of the form of FIG. 12, an example in which the form of the rising width regulating means is different is shown. In this case, the ascending width restricting means is provided with a horizontal beam 16 provided with an inclined surface f 1 having a predetermined inclination angle above the valve plate 14. Since other configurations are the same as those in the example of FIG. 12, the same reference numerals are given and description thereof is omitted.

この場合も、吐出ヘッド22を押し下げることにより、同様に、シリンダ10内の液が透孔24を介してノズル33先端の吐出口34より吐出する。一方、吐出ヘッド22が上昇する際には同様にシリンダ10内に収納室Ｒ内の液が導入される。この際、弁板14が所定位置まで開くとその上面が傾斜面f1に当接して弁板14がそれ以上開くのを防止する。 Also in this case, by pushing down the discharge head 22, the liquid in the cylinder 10 is similarly discharged from the discharge port 34 at the tip of the nozzle 33 through the through hole 24. On the other hand, when the discharge head 22 is raised, the liquid in the storage chamber R is similarly introduced into the cylinder 10. At this time, when the valve plate 14 opens to a predetermined position, the upper surface of the valve plate 14 abuts against the inclined surface f 1 to prevent the valve plate 14 from opening further.

図19及び図20は更に他の例を示し、図12の形態の吸込み弁Ａを備えたポンプ容器に於いて、上昇幅規制手段の形態が相違する例を示す。この場合の上昇幅規制手段は、弁板14上方所定位置に横設した横桟16の下面に垂設し、下面が所定の傾斜面f2をなす係止突部40a として構成した。その他の構成は図12の例と同様構成であるため、同符号を付して説明を省略する。 19 and 20 show still another example, and in the pump container provided with the suction valve A of the form of FIG. 12, an example in which the form of the rising width regulating means is different is shown. Rise regulating means in this case is to vertically to the lower surface of the rungs 16 which is horizontally provided on the valve plate 14 upward position, the lower surface is constructed as a locking projection 40a forming a predetermined inclined surface f 2. Since other configurations are the same as those in the example of FIG. 12, the same reference numerals are given and description thereof is omitted.

この場合も、吐出ヘッド22を押し下げることにより、同様に、シリンダ10内の液が透孔24を介してノズル33先端の吐出口34より吐出する。一方、吐出ヘッド22が上昇する際には同様にシリンダ10内に収納室Ｒ内の液が導入される。この際、弁板14が所定位置まで開くと係止突部40a の傾斜面f2が弁板14上面に当接して弁板14がそれ以上開くのを防止する。 Also in this case, by pushing down the discharge head 22, the liquid in the cylinder 10 is similarly discharged from the discharge port 34 at the tip of the nozzle 33 through the through hole 24. On the other hand, when the discharge head 22 is raised, the liquid in the storage chamber R is similarly introduced into the cylinder 10. At this time, the valve plate 14 is a valve plate 14 in contact with the open the inclined surface f 2 is the valve plate 14 the upper surface of the locking projection 40a to a predetermined position to prevent opening more.

本発明ポンプ容器の半断面図である。（実施例１）It is a half sectional view of the pump container of the present invention. Example 1 本発明ポンプ容器を形成する弁部材の拡大斜視図である。（実施例１）It is an expansion perspective view of the valve member which forms this invention pump container. Example 1 本発明ポンプ容器を形成する弁部材の拡大平面図である。（実施例１）It is an enlarged plan view of the valve member which forms this invention pump container. Example 1 本発明ポンプ容器を形成する弁部材の拡大底面図である。（実施例１）It is an enlarged bottom view of the valve member which forms this invention pump container. Example 1 図３のＸ−Ｘ線に沿う縦断面図である。（実施例１）It is a longitudinal cross-sectional view which follows the XX line of FIG. Example 1 本発明ポンプ容器の作用を説明する説明図である。（実施例１）It is explanatory drawing explaining an effect | action of this invention pump container. Example 1 本発明ポンプ容器を形成する弁部材の拡大平面図である。（実施例２）It is an enlarged plan view of the valve member which forms this invention pump container. (Example 2) 本発明ポンプ容器を形成する弁部材の拡大平面図である。（実施例３）It is an enlarged plan view of the valve member which forms this invention pump container. (Example 3) 本発明ポンプ容器を形成する弁部材の拡大平面図である。（実施例４）It is an enlarged plan view of the valve member which forms this invention pump container. Example 4 本発明ポンプ容器を形成する弁部材の拡大平面図である。（実施例５）It is an enlarged plan view of the valve member which forms this invention pump container. (Example 5) 図10のＹ−Ｙ線に沿う縦断面図である。（実施例５）It is a longitudinal cross-sectional view which follows the YY line of FIG. (Example 5) 本発明ポンプ容器の半断面図である。（実施例６）It is a half sectional view of the pump container of the present invention. (Example 6) 本発明ポンプ容器を形成する弁部材の拡大平面図である。（実施例６）It is an enlarged plan view of the valve member which forms this invention pump container. (Example 6) 本発明ポンプ容器を形成する弁部材の拡大底面図である。（実施例６）It is an enlarged bottom view of the valve member which forms this invention pump container. (Example 6) 図13のＺ−Ｚ線に沿う縦断面図である。（実施例６）It is a longitudinal cross-sectional view which follows the ZZ line | wire of FIG. (Example 6) 本発明ポンプ容器の作用を説明する説明図である。（実施例６）It is explanatory drawing explaining an effect | action of this invention pump container. (Example 6) 本発明ポンプ容器を形成する弁部材の拡大平面図である。（実施例７）It is an enlarged plan view of the valve member which forms this invention pump container. (Example 7) 本発明ポンプ容器の作用を説明する説明図である。（実施例７）It is explanatory drawing explaining an effect | action of this invention pump container. (Example 7) 本発明ポンプ容器を形成する弁部材の拡大平面図である。（実施例８）It is an enlarged plan view of the valve member which forms this invention pump container. (Example 8) 本発明ポンプ容器の作用を説明する説明図である。（実施例８）It is explanatory drawing explaining an effect | action of this invention pump container. (Example 8)

符号の説明Explanation of symbols

１…ポンプ容器
Ｒ…収納室，２…周壁，３…頂壁，４…可動底壁，4a…底壁部，4b…摺動部，
4c…垂下筒，５…吸込み弁孔，６…底蓋，6a…支持筒，Ａ…吸込み弁，
10…シリンダ，11…作動部材，12…弁部材，13…嵌合筒，13a …下部筒部，
13b …上部筒部，13c …連結部，14…弁板，15…弾性連結片，16…横桟，
17…係止突条，20…ピストン，21…ステム，22…吐出ヘッド，
23…コイルスプリング，24…透孔，25…吐出弁座，26…環状凹部，Ｂ…吐出弁，
30…縦筒，31…頂板，32…周壁部，33…ノズル，34…吐出孔，35…下向き段部，
36…係合突条，40，40a …係止突部，50…揺動片，f1…傾斜面，f2…傾斜面 DESCRIPTION OF SYMBOLS 1 ... Pump container R ... Storage chamber, 2 ... Perimeter wall, 3 ... Top wall, 4 ... Movable bottom wall, 4a ... Bottom wall part, 4b ... Sliding part,
4c ... drooping cylinder, 5 ... suction valve hole, 6 ... bottom cover, 6a ... support cylinder, A ... suction valve,
10 ... Cylinder, 11 ... Operating member, 12 ... Valve member, 13 ... Fitting cylinder, 13a ... Lower cylinder part,
13b ... upper cylinder part, 13c ... connection part, 14 ... valve plate, 15 ... elastic connection piece, 16 ... side rail,
17 ... locking projection, 20 ... piston, 21 ... stem, 22 ... discharge head,
23 ... coil spring, 24 ... through hole, 25 ... discharge valve seat, 26 ... annular recess, B ... discharge valve,
30 ... Vertical tube, 31 ... Top plate, 32 ... Peripheral wall, 33 ... Nozzle, 34 ... Discharge hole, 35 ... Downward step,
36 ... engaging protrusion, 40, 40a ... locking protrusion, 50 ... swing piece, f 1 ... inclined surface, f 2 ... inclined surface

Claims (12)

周方向複数の弾性連結片15により周囲を支持されるとともに、弁孔を上下動可能に閉塞した弁板14を備え、且つ、弁板14上方に弁板14の上昇幅を規制する上昇幅規制手段を設けたことを特徴とする逆止弁。   Ascending width restriction that includes a valve plate 14 that is supported by a plurality of elastic connecting pieces 15 in the circumferential direction and that closes the valve hole so as to be movable up and down, and restricts the rising width of the valve plate 14 above the valve plate 14 A check valve characterized by comprising means. 前記上昇幅規制手段を、弁板14上方所定位置に横設した単数又は複数の横桟16として構成してなる請求項１記載の逆止弁。   The check valve according to claim 1, wherein the rising width regulating means is configured as a single or a plurality of horizontal rails 16 provided horizontally at a predetermined position above the valve plate 14. 前記複数の横桟16が、井型に配置された複数の横桟である請求項２記載の逆止弁。   The check valve according to claim 2, wherein the plurality of horizontal bars 16 are a plurality of horizontal bars arranged in a well shape. 前記上昇幅規制手段を、弁板14上方所定位置に横設した横桟16の下面に垂設した単数又は複数の係止突部40として構成した請求項１記載の逆止弁。   The check valve according to claim 1, wherein the ascending width restricting means is configured as one or a plurality of locking protrusions 40 suspended from a lower surface of a horizontal rail 16 provided horizontally at a predetermined position above the valve plate 14. 前記横桟16をシリンダ10中央部を横断して横設し、前記係止突部40を横桟16中央部に垂設した請求項４記載の逆止弁。   The check valve according to claim 4, wherein the horizontal beam 16 is installed horizontally across the center of the cylinder 10, and the locking projection 40 is suspended from the center of the horizontal beam 16. 前記各弾性連結片15が、弁板14外面所定位置より外方へ延びた後弁板14周面に沿って延び、しかる後外方へ延びる形態をなす請求項１乃至請求項５のいずれかに記載の逆止弁。   6. Each of the elastic connecting pieces 15 extends along the peripheral surface of the rear valve plate 14 extending outward from a predetermined position on the outer surface of the valve plate 14, and then extends outwardly. Check valve described in 1. 収納液の減少に伴い上昇する可動底壁４により下端を閉塞した収納室Ｒと、収納室Ｒ上に設けるとともに、収納室Ｒ内と吸込み弁Ａを介して連通させたシリンダ10と、シリンダ10内を摺動するピストン20と連繋させたステム21の上端に吐出ヘッド22を嵌着して上方付勢状態で押し下げ可能に設けた作動部材11とを備え、作動部材11を上下動させることによりシリンダ10内の液を吐出ヘッド22の吐出口34より吐出する如く構成したポンプ容器であって、前記吸込み弁Ａとして、前記請求項１乃至請求項６のいずれかに記載の逆止弁を設けたことを特徴とするポンプ容器。   A storage chamber R whose lower end is closed by a movable bottom wall 4 that rises as the storage liquid decreases, a cylinder 10 provided on the storage chamber R and communicated with the interior of the storage chamber R via a suction valve A, and a cylinder 10 The discharge head 22 is fitted to the upper end of the stem 21 that is linked to the piston 20 that slides inside, and the operation member 11 is provided so that it can be pushed down in the upward biased state. 7. A pump container configured to discharge the liquid in the cylinder 10 from the discharge port 34 of the discharge head 22, wherein the check valve according to any one of the first to sixth aspects is provided as the suction valve A. A pump container characterized by that. 外面一部に揺動片50を介して開閉可能に支持されるとともに、弁孔を開閉可能に閉塞した弁板14を備え、且つ、弁板14上方に弁板14の開放上昇幅を規制する上昇幅規制手段を設けたことを特徴とする逆止弁。   A valve plate 14 is supported on a part of the outer surface through an oscillating piece 50 so as to be openable and closable, and the valve hole is closed so as to be openable and closable. A check valve characterized in that a rising width regulating means is provided. 前記上昇幅規制手段が、弁板14上方所定位置に横設した単数又は複数の横桟16として構成した請求項８に記載の逆止弁。   9. The check valve according to claim 8, wherein the ascending width restricting means is configured as one or a plurality of horizontal rails 16 provided horizontally at a predetermined position above the valve plate. 前記上昇幅規制手段が、弁板14上方所定位置に所定傾斜角度をなす傾斜面f1を備えた横桟16を横設し、傾斜面f1に弁板14上面が当接係止される如く構成した請求項８に記載の逆止弁。 The ascending width restricting means lays a horizontal beam 16 having an inclined surface f 1 having a predetermined inclination angle at a predetermined position above the valve plate 14, and the upper surface of the valve plate 14 is abutted and locked to the inclined surface f 1. The check valve according to claim 8 configured as described above. 前記上昇幅規制手段を、弁板14上方所定位置に横設した横桟16の下面に垂設し、下面が所定の傾斜面f2をなす係止突部40a として構成した請求項８記載の逆止弁。 The rise regulating means, and suspended from the lower surface of the rungs 16 which is horizontally provided on the valve plate 14 upward position, the lower surface of claim 8 configured as a locking projection 40a forming a predetermined inclined surface f 2 Check valve. 収納液の減少に伴い上昇する可動底壁４により下端を閉塞した収納室Ｒと、収納室Ｒ上に設けるとともに、収納室Ｒ内と吸込み弁Ａを介して連通させたシリンダ10と、シリンダ10内を摺動するピストン20と連繋させたステム21の上端に吐出ヘッド22を嵌着して上方付勢状態で押し下げ可能に設けた作動部材11とを備え、作動部材11を上下動させることによりシリンダ10内の液を吐出ヘッド22の吐出口34より吐出する如く構成したポンプ容器であって、前記吸込み弁Ａとして、前記請求項８乃至請求項11のいずれかに記載の逆止弁を設けたことを特徴とするポンプ容器。   A storage chamber R whose lower end is closed by a movable bottom wall 4 that rises as the storage liquid decreases, a cylinder 10 provided on the storage chamber R and communicated with the interior of the storage chamber R via a suction valve A, and a cylinder 10 The discharge head 22 is fitted to the upper end of the stem 21 that is linked to the piston 20 that slides inside, and the operation member 11 is provided so that it can be pushed down in the upward biased state. 12. A pump container configured to discharge the liquid in the cylinder 10 from the discharge port 34 of the discharge head 22, wherein the check valve according to any one of claims 8 to 11 is provided as the suction valve A. A pump container characterized by that.
JP2007095168A 2007-03-30 2007-03-30 Pump container Expired - Fee Related JP5182785B2 (en)

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JP2011031921A (en) * 2009-07-31 2011-02-17 Yoshino Kogyosho Co Ltd Spouting cap for double container, and double container having the spouting cap
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JP2011031921A (en) * 2009-07-31 2011-02-17 Yoshino Kogyosho Co Ltd Spouting cap for double container, and double container having the spouting cap
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JP2019048651A (en) * 2017-09-08 2019-03-28 大和製罐株式会社 Pump container
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