JP5645214B2 - pump - Google Patents

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JP5645214B2
JP5645214B2 JP2010266640A JP2010266640A JP5645214B2 JP 5645214 B2 JP5645214 B2 JP 5645214B2 JP 2010266640 A JP2010266640 A JP 2010266640A JP 2010266640 A JP2010266640 A JP 2010266640A JP 5645214 B2 JP5645214 B2 JP 5645214B2
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Prior art keywords
cylinder
movable
stem
fitted
outside air
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JP2012115748A (en
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桑原　和仁
和仁 桑原
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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Classifications

    • 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
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B05B11/106—Means for locking a pump or its actuation means in a fixed position in a retracted position, e.g. in an end-of-dispensing-stroke position
    • 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • 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
    • 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
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Description

本発明はポンプに関する。   The present invention relates to a pump.

ポンプとして、上端の噴出ヘッドを上下動させることで、収納液を噴出ヘッドの噴出口より噴出する如く構成したものが種々提案されている。（例えば、特許文献１参照）   Various pumps have been proposed in which the stored liquid is ejected from the ejection port of the ejection head by moving the ejection head at the upper end up and down. (For example, see Patent Document 1)

特許文献１に記載されたポンプは、周壁上部に外気導入孔を穿設するとともに、底部に吸込み弁を備えたシリンダを、その上端部を口頸部よりも突出させ且つ下端を胴部内に垂下させた状態で容器体に固定させてなる固定吸引部と、シリンダ内を摺動する環状ピストンを有底のステム外周下部に相対上下動が可能に連係させるとともに、ステムの上端に噴出ヘッドを嵌着し、且つ、上方付勢状態で上下動可能に設けた可動噴出部とを備え、可動噴出部の上下動により容器体内の液を吸い上げてノズルより噴出するとともに、可動噴出部を押し下げた状態で固定吸引部に係止可能に構成している。   The pump described in Patent Document 1 has an outside air introduction hole at the top of the peripheral wall, and a cylinder having a suction valve at the bottom, with its upper end protruding beyond the neck and neck and the lower end hanging down into the body The fixed suction part that is fixed to the container body in this state and the annular piston that slides in the cylinder are linked to the lower bottom of the bottomed stem so that it can move up and down relatively, and the ejection head is fitted to the upper end of the stem A movable jetting part that is attached and movable upward and downward in an upwardly biased state, and sucks up the liquid in the container by the vertical movement of the movable jetting part and ejects it from the nozzle, while the movable jetting part is pushed down. It can be locked to the fixed suction part.

上記ポンプにおける吸込み弁は玉状弁体を使用しており、また、可動噴出部の押し下げ係止状態では環状ピストンが構成する吐出弁も開いた状態であり、従って、容器を倒すと容器体内と外部とが連通してしまい液が漏出してしまう虞があった。また、シリンダの外気導入孔も可動噴出部の押し下げ係止状態では開いており、容器体内が外気導入孔を介して外部とが連通している状態にあり、この場合も容器を倒すとここからも液の漏出の虞があった。   The suction valve in the pump uses a ball-shaped valve body, and the discharge valve formed by the annular piston is also open in the state where the movable ejection part is pushed down and locked. There was a risk that the liquid could leak due to communication with the outside. Also, the outside air introduction hole of the cylinder is open when the movable ejection part is pushed down and locked, and the inside of the container is in communication with the outside via the outside air introduction hole. There was also a risk of liquid leakage.

この様な点を考慮して、弁座に弁板を弾性的に圧接し、シリンダ内の負圧状態で弾性閉塞力に抗して強制的に弁板を開いて吸込み弁が開き、負圧状態が解消すると弾性閉塞力で弁板が閉じるという形態の吸込み弁を採用することで、容器を倒してもこの部分からの液の漏出がなく、従って、ノズルからの液の漏出を防止できるものも提案されている。   Considering these points, the valve plate is elastically pressed against the valve seat, the valve plate is forcibly opened against the elastic blocking force in the negative pressure state in the cylinder, the suction valve opens, and the negative pressure By adopting a suction valve in which the valve plate closes with an elastic closing force when the state disappears, there is no leakage of liquid from this part even if the container is tilted, and therefore, leakage of liquid from the nozzle can be prevented Has also been proposed.

特開２００５−３１３９５７号公報JP 2005-313957 A

しかしながら、弁座に弁板を弾性的に圧接した形態の吸込み弁を使用した場合でも、容器体を強い力で握ったりした場合に容器体内が加圧され、液圧で吸込み弁を開いてノズルから液が漏出してしまう虞があり、特に、容器体内に液の充満した未開封状態の場合にその虞が顕著である。また、この場合にはシリンダの外気導入孔からの液の漏出の問題も解消されていない。   However, even when a suction valve is used in which the valve plate is elastically pressed against the valve seat, the container body is pressurized when the container body is gripped with a strong force, and the suction valve is opened by the hydraulic pressure to open the nozzle. There is a risk that the liquid leaks from the liquid, and this is particularly noticeable in an unopened state in which the container is filled with the liquid. In this case, the problem of leakage of liquid from the outside air introduction hole of the cylinder is not solved.

本発明は上記した点に鑑みてなされたもので、可動噴出部が最下降係止状態の場合には容器体を倒しても液の漏出の虞がなく、また、容器体胴部を強く圧搾した場合にも液の漏出の虞がないポンプを提案するものである。   The present invention has been made in view of the above points, and when the movable ejection portion is in the lowest lowered locking state, there is no risk of liquid leakage even when the container body is tilted, and the container body portion is strongly squeezed. In this case, the present invention proposes a pump that is free from the risk of liquid leakage.

第１の手段として、以下の通り構成した。即ち、周壁11上部に外気導入孔18を穿設し、底部に吸込み弁45を備えたシリンダA1を、その上端部を口頸部 103よりも突出させ且つ下端を胴部101内に垂下させた状態で容器体100に固定させてなる固定吸引部Ａと、シリンダA1を摺動する環状ピストンB2を有底のステムB1外周下部に相対上下動が可能に連係させ、ステムB1の上端に噴出ヘッドB3を嵌着し、且つ、上方付勢状態で上下動可能に設けた可動噴出部Ｂとを備え、可動噴出部Ｂの上下動により容器体内の液を吸い上げてノズル83より噴出するとともに、可動噴出部Ｂを押し下げた状態で固定吸引部Ａに係止可能に構成してなる液体噴出ポンプに於いて、
可動噴出部Ｂの最下降係止状態で、可動噴出部Ｂと固定吸引部ＡとでシリンダA1内上下を遮断するシール部を形成するとともに、ステムB1外周に上下動可能に装着した閉塞筒部材B4が外気導入孔18を閉塞し、可動噴出部Ｂが最上昇位置にある時及び可動噴出部Ｂが液噴出のための上下動時にはシール部が開放されるとともに、外気導入孔18が開放される如く構成しており、
上記シール部を、固定吸引部Ａの一部としてシリンダA1内周に密嵌されたシール筒48の上端部内面と、ステムB1の下端部外周面との密嵌部分で構成している。 The first means is configured as follows. That is, the outside air introduction hole 18 is formed in the upper part of the peripheral wall 11, the cylinder A1 provided with the suction valve 45 in the bottom part, the upper end part protrudes from the mouth neck part 103, and the lower end is suspended in the trunk part 101. A fixed suction part A that is fixed to the container body 100 and an annular piston B2 that slides on the cylinder A1 are linked to the bottom lower part of the bottomed stem B1 so as to be able to move up and down relative to each other. And a movable jetting part B that is fitted with B3 and is movable up and down in an upward biased state. The vertical movement of the movable jetting part B sucks up the liquid in the container body and ejects it from the nozzle 83. In the liquid ejection pump configured to be able to be locked to the fixed suction portion A in a state where the ejection portion B is pushed down,
A closed cylindrical member mounted on the outer periphery of the stem B1 so as to be movable up and down while forming a seal portion for blocking the upper and lower sides of the cylinder A1 with the movable jet portion B and the fixed suction portion A in the state where the movable jet portion B is in the lowest lowered state. B4 closes the outside air introduction hole 18, and when the movable ejection part B is at the highest position and when the movable ejection part B moves up and down for liquid ejection, the seal part is opened and the outside air introduction hole 18 is opened. It is structured like
The seal portion is formed by a close fitting portion between the inner surface of the upper end portion of the seal cylinder 48 that is closely fitted to the inner periphery of the cylinder A1 as a part of the fixed suction portion A and the outer peripheral surface of the lower end portion of the stem B1.

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、上記シール筒48は、上記ステムの下端部外周面に密嵌した筒壁の下端から外方へフランジ47を延設してなり、このフランジ47外周をシリンダA1内周に密嵌させている。 The second means is configured as follows. That is, in the first means, the seal cylinder 48 is formed by extending a flange 47 outward from the lower end of the cylinder wall tightly fitted to the outer peripheral surface of the lower end of the stem. The cylinder A1 is closely fitted to the inner periphery.

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、上記シール筒48を、シリンダA1内周下端部に嵌着させるとともに、弾性連結片41を介して吸込み弁板42を支持する嵌着筒40上に一体に形成して、全体として吸込み弁部材A4として構成した。 The third means was configured as follows. That is, in the second means, the seal cylinder 48 is fitted to the lower end portion of the inner periphery of the cylinder A1, and is integrated on the fitting cylinder 40 that supports the suction valve plate 42 via the elastic connecting piece 41. And formed as a suction valve member A4 as a whole.

第４の手段として、以下の通り構成した。即ち、前記第１の手段から第３の手段のいずれかの手段に於いて、閉塞筒部材B4は、固定吸引部Ａ上端開口より上端部を突出させ、且つ、内側に外気導入用の隙間をあけて、上下動可能にステムB1外周下部に嵌合させた基筒部90と、該基筒部90外周下部より突設するとともに、シリンダA1内周上部に上下摺動可能に嵌合させた環状の摺動閉塞部91とからなり、可動噴出部Ｂが最下降の係止状態に移行する際に可動噴出部Ｂ上部に設けた下向き段部により閉塞筒部材B4が押し下げられて外気導入孔18の閉塞状態に移行するとともに、可動噴出部Ｂが最上昇位置に移行する際にステムB1外周下部に設けた上向き段部により押し上げられて外気導入孔18開放状態に移行する如く構成した。 The fourth means is configured as follows. That is, in any one of the first to third means , the closing cylinder member B4 projects the upper end from the upper end opening of the fixed suction part A, and has a gap for introducing outside air inside. The base cylinder part 90 is fitted to the lower part of the outer periphery of the stem B1 so as to be movable up and down, and protrudes from the lower part of the outer periphery of the base cylinder part 90, and is fitted to the upper part of the inner periphery of the cylinder A1 so as to be vertically slidable. The closed cylindrical member B4 is pushed down by a downward step provided on the upper part of the movable ejecting part B when the movable ejecting part B shifts to the lowermost locking state, and the outside air introduction hole is formed. 18 and the movable ejection part B are pushed up by an upward step provided at the lower outer periphery of the stem B1 and moved to the open state of the outside air introduction hole 18 when the movable ejection part B moves to the highest position.

本発明によれば、可動噴出部Ｂの係止状態では、容器体100 を倒しても液の漏出の虞がなく、また、容器体胴部101 を強く圧搾した場合にも液の漏出の虞がない。また、可動噴出部Ｂが最上昇位置にある時或いは可動噴出部Ｂが液噴出のための上下動時にはシール部が開放されるとともに、外気導入孔18が開放されて円滑な液の噴出が可能となる。   According to the present invention, in the locked state of the movable ejection part B, there is no risk of liquid leakage even when the container body 100 is tilted, and there is a risk of liquid leakage even when the container body 101 is strongly squeezed. There is no. In addition, when the movable ejection part B is at the highest position or when the movable ejection part B moves up and down for liquid ejection, the seal part is opened and the outside air introduction hole 18 is opened to enable smooth liquid ejection. It becomes.

上記シール部を、固定吸引部Ａの一部としてシリンダA1内周に密嵌されたシール筒48の上端部内面と、ステムB1の下端部外周面との密嵌部分で構成した場合には、同様に上記効果を発揮するとともに、シール部の形成には従来品にその他の部分を変化させずにシール筒48を加えるだけで形成できる利点がある。 In the case where the seal portion is constituted by a close fitting portion between the inner surface of the upper end portion of the seal cylinder 48 tightly fitted to the inner periphery of the cylinder A1 as a part of the fixed suction portion A and the outer peripheral surface of the lower end portion of the stem B1, Similarly, the above-described effects are exhibited, and the formation of the seal portion has an advantage that the seal portion can be formed only by adding the seal cylinder 48 without changing other portions.

上記シール筒48を、シリンダA1内周下端部に嵌着させるとともに、弾性連結片41を介して吸込み弁板42を支持する嵌着筒40上に一体に形成して、全体として吸込み弁部材A4として構成した場合には、同様に上記効果を発揮するとともに、組み付け工程の削減を図れる利点もある。   The seal cylinder 48 is fitted to the lower end portion of the inner periphery of the cylinder A1, and is integrally formed on the fitting cylinder 40 that supports the suction valve plate 42 via the elastic connecting piece 41, and the suction valve member A4 as a whole. In the same way, the above-described effects can be exhibited, and there is an advantage that the assembly process can be reduced.

閉塞筒部材B4は、固定吸引部Ａ上端開口より上端部を突出させ、且つ、内側に外気導入用の隙間をあけて、上下動可能にステムB1外周下部に嵌合させた基筒部90と、該基筒部90外周下部より突設するとともに、シリンダA1内周上部に上下摺動可能に嵌合させた環状の摺動閉塞部91とからなり、可動噴出部Ｂが最下降の係止状態に移行する際に可動噴出部Ｂ上部に設けた下向き段部により閉塞筒部材B4が押し下げられて外気導入孔18の閉塞状態に移行するとともに、可動噴出部Ｂが最上昇位置に移行する際にステムB1外周下部に設けた上向き段部により押し上げられて外気導入孔18開放状態に移行する如く構成した場合には、充分な外気導入用の隙間があけられていも、下向き段部及び上向き段部により閉塞筒部材B4の移動を確実に行える。   The closing cylinder member B4 has a base cylinder part 90 that protrudes from the upper end opening of the fixed suction part A and has a gap for introducing outside air inside, and is fitted to the lower part of the outer periphery of the stem B1 so as to be movable up and down. And an annular sliding closing portion 91 that protrudes from the outer peripheral lower portion of the base cylinder portion 90 and is slidably fitted to the inner peripheral upper portion of the cylinder A1 so that the movable ejection portion B is at the lowest position. When shifting to the state, the closed cylindrical member B4 is pushed down by the downward step provided on the upper part of the movable ejection part B to shift to the closed state of the outside air introduction hole 18, and when the movable ejection part B shifts to the highest position In the case where the outside air introduction hole 18 is shifted to the open state by being pushed up by the upward step portion provided on the outer periphery of the stem B1, the downward step portion and the upward step are provided even if there is a sufficient gap for introducing the outside air. The closed cylindrical member B4 can be reliably moved by the portion.

可動噴出部が最下降係止状態にあるポンプの半断面図である。（参考例）It is a half sectional view of a pump in which a movable jet part is in the lowest locking state. ( Reference example ) 可動噴出部が最上昇位置にあるポンプの半断面図である。（参考例）It is a half sectional view of a pump with a movable ejection part in the highest position. ( Reference example ) 吸込み弁部分の要部拡大断面図である。（参考例）It is a principal part expanded sectional view of a suction valve part. ( Reference example ) 可動噴出部が最下降係止状態にあるポンプの半断面図である。（実施例）It is a half sectional view of a pump in which a movable jet part is in the lowest locking state. ( Example ) 可動噴出部が最上昇位置にあるポンプの半断面図である。（実施例）It is a half sectional view of a pump with a movable ejection part in the highest position. ( Example )

以下、本発明の参考例及び実施例を、図面を参照して説明する。 Hereinafter, reference examples and examples of the present invention will be described with reference to the drawings.

図１及び図２は容器体100 に装着するポンプ１の参考例を示し、容器体100 は胴部101 より肩部102 を介して口頸部103 起立している。 1 and 2 show a reference example of the pump 1 to be mounted on the container body 100. The container body 100 is erected from the trunk portion 101 through the shoulder portion 102 through the mouth and neck portion 103. FIG.

ポンプ１は、固定吸引部Ａと、可動噴出部Ｂとを備えている。   The pump 1 includes a fixed suction part A and a movable ejection part B.

固定吸引部Ａは、シリンダA1と、リングキャップA2と、装着キャップA3と、吸込み弁部材A4とを備えている。   The fixed suction portion A includes a cylinder A1, a ring cap A2, a mounting cap A3, and a suction valve member A4.

シリンダA1は、底壁10周縁部より周壁11を起立した上端開口の有底筒状をなし、底壁10の中央に穿設した透孔周縁より上方に吸込み弁座12を起立し、また、透孔周縁より下方にパイプ嵌合筒13を垂設している。周壁11は、下端より第１周壁11ａ、第２周壁11ｂ、第３周壁11ｃ、第４周壁11ｄと順次拡径しており、第１周壁11ａと第２周壁11ｂとの間を第１テーパ部14で、第２周壁11ｂと第３周壁11ｃとの間を第２テーパ部15で、第３周壁11ｃと第４周壁11ｄの間をフランジ部16でそれぞれ連結している。また、周壁11の外周上部である第３周壁11ｃ外周にフランジ17を突設し、第２周壁11ｂの上部に外気導入孔18を穿設している。パイプ嵌合筒13にパイプ19の上端を嵌着し、下端を容器体100 内底部に垂下させる。   The cylinder A1 has a bottomed cylindrical shape with an upper end opening with the peripheral wall 11 rising from the peripheral edge of the bottom wall 10, and the suction valve seat 12 is raised above the peripheral edge of the through hole formed in the center of the bottom wall 10. A pipe fitting cylinder 13 is provided below the periphery of the through hole. The peripheral wall 11 has a first tapered wall 11a, a second peripheral wall 11b, a third peripheral wall 11c, and a fourth peripheral wall 11d that are sequentially enlarged in diameter from the lower end, and a first taper portion is formed between the first peripheral wall 11a and the second peripheral wall 11b. 14, the second taper portion 15 connects the second peripheral wall 11b and the third peripheral wall 11c, and the flange portion 16 connects the third peripheral wall 11c and the fourth peripheral wall 11d. Further, a flange 17 is provided on the outer periphery of the third peripheral wall 11c, which is the upper outer periphery of the peripheral wall 11, and an outside air introduction hole 18 is provided in the upper portion of the second peripheral wall 11b. The upper end of the pipe 19 is fitted into the pipe fitting cylinder 13 and the lower end is suspended from the inner bottom of the container body 100.

リングキャップA2は、シリンダA1の上端部である第４周壁11ｄ部分に嵌着したもので、第４周壁11ｄ内周に相互の回動を防止して嵌合させた内嵌合筒20と、第４周壁11ｄ外周に上方への抜け出しを防止して嵌合させた外嵌合筒21とをリング状の頂板22裏面より垂設し、頂板22の外周縁からは周壁23を垂設し、周壁23の下端部から外方へ延びるフランジ部24を延設している。   The ring cap A2 is fitted to the fourth peripheral wall 11d portion which is the upper end of the cylinder A1, and the inner fitting cylinder 20 is fitted to the inner periphery of the fourth peripheral wall 11d while preventing mutual rotation. An outer fitting cylinder 21 that is fitted to the outer periphery of the fourth peripheral wall 11d while preventing upward slipping is suspended from the back surface of the ring-shaped top plate 22, and a peripheral wall 23 is suspended from the outer periphery of the top plate 22. A flange portion 24 extending outward from the lower end portion of the peripheral wall 23 is extended.

装着キャップA3は、リングキャップA2とフランジ17との間にフランジ状の頂板30を回動可能に遊嵌させて装着しており、頂板30の周縁部より容器体100 の口頸部103 外周に螺着する螺筒31を垂設している。   The mounting cap A3 has a flange-like top plate 30 mounted between the ring cap A2 and the flange 17 so as to be freely rotatable. The mounting cap A3 is attached to the outer periphery of the mouth and neck portion 103 of the container body 100 from the periphery of the top plate 30. A screw cylinder 31 to be screwed is suspended.

吸込み弁部材A4は、図３に拡大図で示す如く、シリンダA1の内周下端部に嵌着させた嵌着筒40の内周より周方向等間隔に複数の弾性連結片41を介して中央に吸込み弁板42を支持し、吸込み弁板42を吸込み弁座12上に弾性圧接して、吸込み弁座12と吸込み弁板42とで吸込み弁45を形成している。また、嵌着筒40上に掛け渡した角型アーチ状の支持板43の上に横断面十字状の十字板44を起立している。本例の各弾性連結片41は嵌着筒40より中心方向に向かった後周方向に延び、再び中心方向に延びて吸込み弁板42の縁部に連結したもので、周方向三本掛け渡している。   As shown in the enlarged view of FIG. 3, the suction valve member A4 is centered via a plurality of elastic connecting pieces 41 at equal intervals in the circumferential direction from the inner circumference of the fitting cylinder 40 fitted to the lower end portion of the inner circumference of the cylinder A1. The suction valve plate 42 is supported, and the suction valve plate 42 is elastically pressed onto the suction valve seat 12, and the suction valve seat 12 and the suction valve plate 42 form a suction valve 45. In addition, a cross plate 44 having a cross-shaped cross section is erected on a square arch-shaped support plate 43 spanned on the fitting cylinder 40. Each elastic connecting piece 41 of this example extends from the fitting cylinder 40 in the rear circumferential direction toward the center direction, extends again in the center direction, and is connected to the edge of the suction valve plate 42. ing.

可動噴出部Ｂは、ステムB1と、環状ピストンB2と、噴出ヘッドB3と、閉塞筒部材B4とを備えている。   The movable ejection part B includes a stem B1, an annular piston B2, an ejection head B3, and a closed cylinder member B4.

ステムB1は、下部材B1ａと、上部材B1ｂとの２部材で構成されており、下部材B1ａは、底壁50の周縁よりステムB1の筒壁51を構成する下部筒壁52を起立し、下部筒壁52の下部には透孔53を穿設している。また、下部筒壁52の外周下端部より外方へフランジ状の吐出弁座54を突設し、吐出弁座54の外周縁部より下方へシール筒55を垂設している。また、吐出弁座54の下面をコイルスプリングｓの係止面としている。シール筒55の外面上部には周方向複数のスペースリブ56を突設している。   The stem B1 is composed of two members, a lower member B1a and an upper member B1b. The lower member B1a stands from the periphery of the bottom wall 50 with a lower cylindrical wall 52 constituting the cylindrical wall 51 of the stem B1. A through hole 53 is formed in the lower portion of the lower cylindrical wall 52. Further, a flange-like discharge valve seat 54 projects outwardly from the lower end of the outer periphery of the lower cylindrical wall 52, and a seal cylinder 55 is suspended downward from the outer peripheral edge of the discharge valve seat 54. Further, the lower surface of the discharge valve seat 54 is used as a locking surface of the coil spring s. A plurality of space ribs 56 in the circumferential direction protrude from the upper surface of the seal cylinder 55.

シール筒55は、図１に示す如く、可動噴出部Ｂが最下降係止状態でシリンダA1の第１周壁11ａ内周上端部に密嵌してシリンダA1内を上下に遮断する。また、可動噴出部Ｂが、図２に示す如き、最上昇位置にある場合、或いは図にないが、可動噴出部Ｂが液の噴出のための上下動する位置にある場合には、シリンダA1の第１周壁11ａ内面とシール筒55とが離れて、シール筒55外方を介してのシリンダA1内上下の連通が可能となる。   As shown in FIG. 1, the seal cylinder 55 is tightly fitted to the upper end of the inner periphery of the first peripheral wall 11a of the cylinder A1 with the movable ejection portion B in the lowest lowered locking state, thereby vertically blocking the inside of the cylinder A1. Further, when the movable ejection part B is at the highest position as shown in FIG. 2 or not shown in the drawing, the movable ejection part B is at a position that moves up and down for liquid ejection. The inner surface of the first peripheral wall 11a and the seal cylinder 55 are separated from each other, and communication between the upper and lower sides in the cylinder A1 via the outside of the seal cylinder 55 is possible.

上部材B1ｂは、下端より上部第１筒壁60と、上部第２筒壁61と、上部第３筒壁62と順次縮径しており、上部第１筒壁60と上部第２筒壁61との間をテーパ壁63で、上部第２筒壁61と上部第３筒壁62との間をフランジ壁64でそれぞれ連結している。そして、下部筒壁52の上部に上部第２筒壁61の下部を嵌着固定して両者を一体化しており、上部第１筒壁60を下部筒壁52外方に間隔をあけて、且つ、下端を吐出弁座54と間隔をあけて垂下している。   The upper member B1b has an upper first cylindrical wall 60, an upper second cylindrical wall 61, and an upper third cylindrical wall 62 that are successively reduced in diameter from the lower end, so that the upper first cylindrical wall 60 and the upper second cylindrical wall 61 are reduced. The upper second cylindrical wall 61 and the upper third cylindrical wall 62 are connected by a flange wall 64, respectively. Then, the lower part of the upper second cylindrical wall 61 is fitted and fixed to the upper part of the lower cylindrical wall 52 so as to integrate both, and the upper first cylindrical wall 60 is spaced outward from the lower cylindrical wall 52, and The lower end is suspended from the discharge valve seat 54 with a gap.

環状ピストンB2は、外側上部摺動部70及び外側下部摺動部71と、内側上部摺動部72及び内側下部の吐出弁体73とを連結板74で連結した断面Ｈ形状をなす環状体で、外側上部摺動部70及び外側下部摺動部71をシリンダA1内面に摺動可能に密嵌させ、また、内側上部摺動部72を上部第１筒壁60の内面に摺動可能に密嵌させてステムB1に対して相対上下動が可能に装着している。また、吐出弁体73は吐出弁座54とで吐出弁75を構成するもので、環状ピストンB2がステムB1に対して相対下降した際に吐出弁座54上に圧接して吐出弁75を閉じ、その状態からステムB1に対して相対上昇した際に吐出弁75が開く如く構成している。   The annular piston B2 is an annular body having an H-shaped cross section in which an outer upper sliding portion 70 and an outer lower sliding portion 71, an inner upper sliding portion 72, and an inner lower discharge valve body 73 are connected by a connecting plate 74. The outer upper sliding portion 70 and the outer lower sliding portion 71 are slidably fitted on the inner surface of the cylinder A1, and the inner upper sliding portion 72 is slidably fitted on the inner surface of the upper first cylindrical wall 60. It is fitted so that it can move up and down relative to the stem B1. Further, the discharge valve body 73 constitutes a discharge valve 75 with the discharge valve seat 54.When the annular piston B2 descends relative to the stem B1, the discharge valve body 73 comes into pressure contact with the discharge valve seat 54 and closes the discharge valve 75. In this state, the discharge valve 75 is opened when the valve rises relative to the stem B1.

噴出ヘッドB3は、ステムB1の上部第３筒壁62外周に下部を嵌着した縦筒80を頂壁81裏面より垂設し、頂壁81周縁部から周壁82を垂設し、また、縦筒80の上部前面に基端を開口し周壁82前部を貫通するノズル83を突設している。また、可動噴出部Ｂを押し下げた最下降状態では周壁82内周がリングキャップの周壁23外周に螺着して下降状態を維持する如く構成している。   In the ejection head B3, a vertical cylinder 80 having a lower part fitted to the outer periphery of the upper third cylindrical wall 62 of the stem B1 is suspended from the back surface of the top wall 81, and a peripheral wall 82 is suspended from the peripheral edge of the top wall 81. A nozzle 83 that projects from the upper front surface of the cylinder 80 and that penetrates the front of the peripheral wall 82 is provided. Further, in the lowest lowered state in which the movable ejection part B is pushed down, the inner periphery of the peripheral wall 82 is screwed to the outer periphery of the peripheral wall 23 of the ring cap to maintain the lowered state.

可動噴出部ＢはステムB1のテーパ壁63下面と吸込み弁部材A4の支持板43上面との間に介在させたコイルスプリングｓにより常時上方に付勢されている。   The movable ejection part B is always urged upward by a coil spring s interposed between the lower surface of the tapered wall 63 of the stem B1 and the upper surface of the support plate 43 of the suction valve member A4.

閉塞筒部材B4は、固定吸引部Ａの上端開口より上端部を突出させ、且つ、内側に外気導入用の隙間をあけて、上下動可能にステムB1外周下部に嵌合させた基筒部90と、該基筒部90外周下部より突設するとともに、シリンダA1内周上部に上下動可能に嵌合させた環状の摺動閉塞部91とからなる。   The closing cylinder member B4 has a base cylinder part 90 that protrudes from the upper end opening of the fixed suction part A and has a gap for introducing outside air inside, and is fitted to the lower part of the outer periphery of the stem B1 so as to be movable up and down. And an annular sliding closing portion 91 that protrudes from the lower outer periphery of the base cylinder portion 90 and is fitted to the upper inner periphery of the cylinder A1 so as to be movable up and down.

この閉塞筒部材B4は、可動噴出部Ｂが最下降位置の係止状態に移行する際に可動噴出部Ｂ上部に設けた下向き段部により押し下げられて外気導入孔18の閉塞状態に移行するとともに、可動噴出部Ｂが最上昇状態に移行する際にステムB1外周下部に設けた上向き段部により押し上げられて外気導入孔18の開放状態に移行し、且つ、可動噴出部Ｂが液噴出のための上下動時には外気導入孔18開放状態を維持する如く構成している。   The closed cylindrical member B4 is pushed down by a downward step provided on the upper part of the movable ejection part B when the movable ejection part B transitions to the locked state at the lowest position, and the outside air introduction hole 18 is closed. When the movable ejection part B shifts to the highest position, it is pushed up by the upward step provided at the lower outer periphery of the stem B1 to shift to the open state of the outside air introduction hole 18, and the movable ejection part B is liquid ejected. The outside air introduction hole 18 is kept open during vertical movement.

上向き段部は、ステムB1のテーパ壁63上面に形成され、閉塞筒部材B4の基筒部90下面を押し上げ可能に構成し、また、下向き段部は、噴出ヘッドB3の縦筒80外方に掛け渡したリブ84の下面で構成し、閉塞筒部材B4の基筒部90上面を押し下げ可能に構成している。   The upward stepped portion is formed on the upper surface of the tapered wall 63 of the stem B1, and is configured to be able to push up the lower surface of the base cylindrical portion 90 of the closing cylindrical member B4, and the downward stepped portion is formed outside the vertical cylinder 80 of the ejection head B3. The lower surface of the spanned rib 84 is configured so that the upper surface of the base cylinder portion 90 of the closing cylinder member B4 can be pushed down.

そして、可動噴出部Ｂの最上昇状態から、可動噴出部Ｂを押し下げて固定吸引部Ａを螺着係止させる際には、下向き段部が基筒部90上面を押し下げて図１に示す如く、摺動閉塞部91が外気導入孔18を閉塞する位置まで押し下げる。また、その状態から螺着を解除して可動噴出部Ｂを上昇させる際には、上向き段部が基筒部90下面を押し上げて、図２に示す如く内嵌合筒20下面に摺動閉塞部91上縁が係止されるまで押し上げる。   Then, when the movable ejection part B is pushed down from the highest rise state and the fixed suction part A is screwed and locked, the downward stepped part pushes down the upper surface of the base cylinder part 90 as shown in FIG. Then, the sliding blocking portion 91 is pushed down to a position where the outside air introduction hole 18 is blocked. Further, when releasing the screwing and raising the movable ejection part B from this state, the upward stepped part pushes up the lower surface of the base cylinder part 90 and slides and closes the lower surface of the inner fitting cylinder 20 as shown in FIG. Push up until the upper edge of part 91 is locked.

また、液噴出の際の可動噴出部Ｂの上下動時には上記各上向き段部及び下向き段部が基筒部90と当接しない様な可動噴出部Ｂのストロークに構成している。摺動閉塞部91はシリンダA1内上部に摺動可能で外気導入孔18を開閉可能に閉塞すればその形状は種々採用できる。図示例では、基端部より上下に上向き及び下向きスカート状部を突設して構成しており、また、上向きスカート状部をシリンダA1の第２テーパ部15に係止可能に構成して閉塞筒部材B4が必要以上に下がらない様に構成している。   Further, the movable ejecting portion B is configured to have a stroke of the movable ejecting portion B so that the upward stepped portion and the downward stepped portion do not come into contact with the base tube portion 90 when the movable ejecting portion B moves up and down during liquid ejection. The sliding closing portion 91 can be slidable in the upper part of the cylinder A1 and various shapes can be adopted as long as the outside air introduction hole 18 is closed and opened. In the example shown in the figure, upward and downward skirt-like portions are projected upward and downward from the base end portion, and the upward skirt-like portion is configured to be able to be locked to the second taper portion 15 of the cylinder A1 and closed. The cylindrical member B4 is configured not to be lowered more than necessary.

この閉塞筒部材B4を設けることにより、可動噴出部Ｂの押し下げ係止状態ではシリンダA1の外気導入孔18が閉塞されて容器体100 内からシリンダA1内への不都合な液の漏出を防止し、また、使用時の可動噴出部Ｂ最上昇状態及び液を噴出させるための可動噴出部Ｂを上下動させる際には外気導入孔18を開放し、ステムB1と閉塞筒部材B4との隙間から外気導入孔18を介して負圧化した容器体内へ外気を導入する如く構成している。また、使用時の可動噴出部Ｂ最上昇状態では基筒部90が突出しているため、ポンプ１を装着した容器を水場で使用する場合に、特にシャワー等より噴出する水がステムB1と固定吸引部Ａ上端開口縁との隙間から侵入するのを極力防止できる。 By providing this closed cylinder member B4, the outside air introduction hole 18 of the cylinder A1 is closed in the state where the movable ejection part B is pushed down and locked, thereby preventing inconvenient liquid leakage from the container body 100 into the cylinder A1, Further, when the movable ejecting part B is in the highest rise state during use and when the movable ejecting part B for ejecting liquid is moved up and down, the outside air introduction hole 18 is opened and the outside air is opened from the gap between the stem B1 and the closed cylinder member B4. It is as configured to introduce outside air through the introduction hole 18 into the negative pressure containers body. In addition, since the base cylinder portion 90 protrudes when the movable ejection portion B is in the highest rise state during use, when the container equipped with the pump 1 is used in a water field, the water ejected from a shower or the like is fixed to the stem B1. It is possible to prevent as much as possible from entering through the gap between the upper end opening edge of the suction part A.

上記の如く構成したポンプ１の使用法の一例について説明すると、保管、運搬等の不使用時には、図１に示す如き可動噴出部Ｂを螺着した状態にしておく。この際、閉塞筒部材B4の摺動閉塞部91が外気導入孔18を閉塞しており、一方シール筒55がシリンダA1の第１周壁11ａ内周上部に密嵌している。   An example of how to use the pump 1 configured as described above will be described. When the pump 1 is not used for storage, transportation, etc., the movable ejection part B as shown in FIG. 1 is screwed. At this time, the sliding closing portion 91 of the closing cylinder member B4 closes the outside air introduction hole 18, while the seal cylinder 55 is closely fitted on the inner periphery of the first peripheral wall 11a of the cylinder A1.

また、使用する時は、噴出ヘッドB3を回動させて螺着を外して上昇させる。この際、シール筒55が第１周壁11ａから外れ、シール筒55の外方を介してその上下が連通する。また、閉塞筒部材B4の下面が可動噴出部Ｂのテーパ壁63上面の上向き段部に当接係止して押し上げられ、摺動閉塞部91による外気導入孔18の閉塞が解除される。次いで噴出ヘッドB3を何回か上下動させて初期作動を行い、シリンダA1内に容器体100 内の液を導入して準備を整える。この際閉塞筒部材B4は押し上げられた最上昇位置に止まっている。次いで噴出ヘッドを押し下げると、シリンダA1内の加圧液が吐出弁75を開いてステムB1を通りノズル83より噴出する。次いでヘッドの押圧を解除するとコイルスプリングｓの作用で可動噴出部Ｂが上昇し、シリンダA1内が負圧化するため吐出弁75が閉じ、容器体100 内の液が吸込み弁45を開いて導入される。   Further, when used, the ejection head B3 is rotated to remove the screw and raise it. At this time, the seal cylinder 55 is detached from the first peripheral wall 11a, and the upper and lower sides thereof communicate with each other through the outside of the seal cylinder 55. Further, the lower surface of the closed cylindrical member B4 is pushed up by abutting and locking with the upward stepped portion of the upper surface of the tapered wall 63 of the movable ejection portion B, and the blockage of the outside air introduction hole 18 by the sliding closed portion 91 is released. Next, the ejection head B3 is moved up and down several times to perform an initial operation, and the liquid in the container body 100 is introduced into the cylinder A1 to make preparations. At this time, the closed cylinder member B4 is stopped at the highest position where it is pushed up. Next, when the ejection head is pushed down, the pressurized liquid in the cylinder A1 opens the discharge valve 75 and ejects from the nozzle 83 through the stem B1. Next, when the head is released, the movable jet B is raised by the action of the coil spring s, and the cylinder A1 is negatively pressured, so the discharge valve 75 is closed and the liquid in the container body 100 is introduced by opening the suction valve 45. Is done.

図４及び図５は本発明の実施例を示し、図１の例に於いて、吸込み弁部材A4の構成が相違し、また、ステムB1の一部の構成が相違した例を示す。 4 and 5 show an embodiment of the present invention . In the example of FIG. 1, the configuration of the suction valve member A4 is different and the configuration of a part of the stem B1 is different.

本例に於ける吸込み弁部材A4は、シリンダA1の内周下端部に嵌着させた嵌着筒40の内周より周方向等間隔に複数の弾性連結片41を介して中央に吸込み弁板42を支持し、吸込み弁板42を吸込み弁座12上に弾性圧接して、吸込み弁座12と吸込み弁板42とで吸込み弁45を形成している。また、嵌着筒40の上面に周方向複数立設した連結杆46を介して、下端部より外方にフランジ47を突設したシール筒48を起立し、シール筒48内面に放射状に複数の放射板49を掛け渡している。フランジ47の外面はシリンダA1の第１周壁11ａ内面に密嵌している。そして、可動噴出部Ｂの最下降係止状態時に、シール筒48の内面上端部にステムB1の外面下端部が密嵌してこの密嵌部分でシール部を構成している。   The suction valve member A4 in this example is a suction valve plate in the center via a plurality of elastic connecting pieces 41 at equal intervals in the circumferential direction from the inner circumference of the fitting cylinder 40 fitted to the inner circumferential lower end of the cylinder A1. The suction valve plate 42 is elastically pressed onto the suction valve seat 12, and the suction valve seat 12 and the suction valve plate 42 form a suction valve 45. Further, through a plurality of connecting rods 46 provided in the circumferential direction on the upper surface of the fitting cylinder 40, a seal cylinder 48 having a flange 47 projecting outward from the lower end portion is erected, and a plurality of pieces are radially provided on the inner surface of the seal cylinder 48. A radiation plate 49 is stretched over. The outer surface of the flange 47 is closely fitted to the inner surface of the first peripheral wall 11a of the cylinder A1. When the movable ejecting portion B is in the lowest lowered state, the lower end portion of the outer surface of the stem B1 is closely fitted to the upper end portion of the inner surface of the seal cylinder 48, and the tightly fitting portion constitutes the seal portion.

また、ステムB1の下部材B1ａ外周下部よりフランジ状の吐出弁座54を延設し、吐出弁座54の外周縁より下方へ周方向複数の支持棒57を垂下し、その下端外面にスペースリブ56を突設している。吐出弁座54の下面とフランジ47の上面との間にコイルスプリングｓを介在させている。その他の構成は図１の例と同様であるため説明を省略する。   Further, a flange-like discharge valve seat 54 is extended from the lower outer periphery of the lower member B1a of the stem B1, and a plurality of circumferential support rods 57 are suspended downward from the outer peripheral edge of the discharge valve seat 54. 56 is protruding. A coil spring s is interposed between the lower surface of the discharge valve seat 54 and the upper surface of the flange 47. Other configurations are the same as those in the example of FIG.

本例の場合の使用法の一例について説明すると、保管、運搬等の不使用時には、図４に示す如き可動噴出部Ｂを螺着した状態にしておく。この際、閉塞筒部材B4の摺動閉塞部91が外気導入孔18を閉塞しており、一方、シール筒48のフランジ47外面はシリンダA1の第１周壁11ａ内面に常時密嵌しており、シール筒48の内面上端部はステムB1の外面下端部に密嵌し、シリンダA1内の上下を遮断している。   An example of usage in the case of this example will be described. When not in use such as storage and transportation, the movable ejection part B as shown in FIG. 4 is screwed. At this time, the sliding blocking portion 91 of the closing cylinder member B4 closes the outside air introduction hole 18, while the outer surface of the flange 47 of the sealing cylinder 48 is always tightly fitted to the inner surface of the first peripheral wall 11a of the cylinder A1, The upper end portion of the inner surface of the seal cylinder 48 is closely fitted to the lower end portion of the outer surface of the stem B1, and the upper and lower sides in the cylinder A1 are blocked.

また、使用する時は、噴出ヘッドB3を回動させて螺着を外して上昇させる。この際、ステムB1の外周面下端部がシール筒48から外れ、シリンダA1内上下が連通する。また、閉塞筒部材B4の下面が可動噴出部Ｂのテーパ壁63上面の上向き段部に当接係止して押し上げられ、摺動閉塞部91による外気導入孔18の閉塞が解除される。以降の作用は図１の例と同様であるため省略する。   Further, when used, the ejection head B3 is rotated to remove the screw and raise it. At this time, the lower end portion of the outer peripheral surface of the stem B1 is detached from the seal cylinder 48, and the upper and lower sides in the cylinder A1 communicate with each other. Further, the lower surface of the closed cylindrical member B4 is pushed up by abutting and locking with the upward stepped portion of the upper surface of the tapered wall 63 of the movable ejection portion B, and the blockage of the outside air introduction hole 18 by the sliding closed portion 91 is released. The subsequent operations are the same as those in the example of FIG.

尚、上記各部材は主として合成樹脂により形成さ、必要に応じて金属或いは柔軟性のあるエラストマー等を併用することもかのうである。   In addition, each said member is mainly formed with a synthetic resin, and it is also possible to use a metal or a flexible elastomer etc. together as needed.

１…ポンプ
Ａ…固定吸引部
A1…シリンダ
10…底壁、11…周壁、11ａ…第１周壁、11ｂ…第２周壁、11ｃ…第３周壁、
11ｄ…第４周壁、12…吸込み弁座、13…パイプ嵌合筒、14…第１テーパ部、
15…第２テーパ部、16…フランジ部、17…フランジ、18…外気導入孔、19…パイプ
A2…リングキャップ
20…内嵌合筒、21…外嵌合筒、22…頂板、23…周壁、24…フランジ部
A3…装着キャップ
30…頂板、31…螺筒
A4…吸込み弁部材
40…嵌着筒、41…弾性連結片、42…吸込み弁板、43 …支持板、44…十字板、
45…吸込み弁、46…連結杆、47…フランジ、48…シール筒、49…放射板
Ｂ…可動噴出部
B1…ステム
B1ａ…下部材
50…底壁、51…筒壁、52…下部筒壁、53…透孔、54…吐出弁座、55…シール筒、
56…スペースリブ、57…支持棒
B1ｂ…上部材
60…上部第１筒壁、61…上部第２筒壁、62…上部第３筒壁、63…テーパ壁、
64…フランジ壁
B2…環状ピストン
70…外側上部摺動部、71…外側下部摺動部、72…内側上部摺動部、73…吐出弁体，
74…連結板、75…吐出弁
B3…噴出ヘッド
80…縦筒、81…頂壁、82…周壁、83…ノズル、84…リブ
B4…閉塞筒部材
90…基筒部、91…摺動閉塞部
ｓ…コイルスプリング
100 …容器体
101 …胴部、102 …肩部、103 …口頸部
1 ... Pump A ... Fixed suction part
A1 ... Cylinder
10 ... bottom wall, 11 ... peripheral wall, 11a ... first peripheral wall, 11b ... second peripheral wall, 11c ... third peripheral wall,
11d ... 4th peripheral wall, 12 ... Suction valve seat , 13 ... Pipe fitting cylinder, 14 ... 1st taper part,
15 ... 2nd taper part, 16 ... Flange part, 17 ... Flange, 18 ... Outside air introduction hole, 19 ... Pipe
A2 ... Ring cap
20 ... inner fitting cylinder, 21 ... outer fitting cylinder, 22 ... top plate, 23 ... peripheral wall, 24 ... flange
A3… Installation cap
30 ... Top plate, 31 ... Screw
A4… Suction valve member
40 ... fitting tube, 41 ... elastic connecting piece, 42 ... suction valve plate, 43 ... support plate, 44 ... cross plate,
45 ... Suction valve, 46 ... Connecting rod, 47 ... Flange, 48 ... Seal cylinder, 49 ... Radiation plate B ... Movable jet part
B1 ... Stem
B1a ... Lower member
50 ... Bottom wall, 51 ... Tube wall, 52 ... Lower tube wall, 53 ... Through hole, 54 ... Discharge valve seat, 55 ... Seal tube,
56 ... Space rib, 57 ... Support rod
B1b ... Upper member
60 ... Upper first cylindrical wall, 61 ... Upper second cylindrical wall, 62 ... Upper third cylindrical wall, 63 ... Tapered wall,
64… Flange wall
B2 ... Annular piston
70 ... Outer upper sliding part, 71 ... Outer lower sliding part, 72 ... Inner upper sliding part, 73 ... Discharge valve body,
74 ... Connecting plate, 75 ... Discharge valve
B3 ... Ejection head
80 ... Vertical cylinder, 81 ... Top wall, 82 ... Perimeter wall, 83 ... Nozzle, 84 ... Rib
B4 ... Blocking cylinder member
90 ... Base tube part, 91 ... Sliding block part s ... Coil spring
100 ... Container body
101 ... trunk, 102 ... shoulder, 103 ... mouth and neck

Claims (4)

周壁（11）上部に外気導入孔（18）を穿設し、底部に吸込み弁（45）を備えたシリンダ（A1）を、その上端部を口頸部 (103)よりも突出させ且つ下端を胴部（101)内に垂下させた状態で容器体（100)に固定させてなる固定吸引部（Ａ）と、シリンダ（A1）を摺動する環状ピストン（B2）を有底のステム（B1）外周下部に相対上下動が可能に連係させ、ステム（B1）の上端に噴出ヘッド（B3）を嵌着し、且つ、上方付勢状態で上下動可能に設けた可動噴出部（Ｂ）とを備え、可動噴出部（Ｂ）の上下動により容器体内の液を吸い上げてノズル（83）より噴出するとともに、可動噴出部（Ｂ）を押し下げた状態で固定吸引部（Ａ）に係止可能に構成してなる液体噴出ポンプに於いて、
可動噴出部（Ｂ）の最下降係止状態で、可動噴出部（Ｂ）と固定吸引部（Ａ）とでシリンダ（A1）内上下を遮断するシール部を形成するとともに、ステム（B1）外周に上下動可能に装着した閉塞筒部材（B4）が外気導入孔（18）を閉塞し、可動噴出部（Ｂ）が最上昇位置にある時及び可動噴出部（Ｂ）が液噴出のための上下動時にはシール部が開放されるとともに、外気導入孔（18）が開放される如く構成しており、
上記シール部を、固定吸引部（Ａ）の一部としてシリンダ（A1）内周に密嵌されたシール筒（48）の上端部内面と、ステム（B1）の下端部外周面との密嵌部分で構成したポンプ。 A cylinder (A1) with an outside air introduction hole (18) at the top of the peripheral wall (11), and a suction valve (45) at the bottom, has its upper end protruding beyond the neck and neck (103) and its lower end A stationary suction part (A) that is fixed to the container body (100) while being suspended in the body part (101), and an annular piston (B2) that slides on the cylinder (A1) are provided with a bottomed stem (B1 ) A movable jetting part (B) which is linked to the lower part of the outer periphery so as to be able to move up and down relatively, has a jetting head (B3) fitted to the upper end of the stem (B1), and is provided so as to be able to move up and down in an upward biased state. The liquid in the container is sucked up and ejected from the nozzle (83) by the vertical movement of the movable ejection part (B), and can be locked to the fixed suction part (A) with the movable ejection part (B) pushed down. In the liquid jet pump configured as follows:
In the state where the movable ejection part (B) is in the lowest position, the movable ejection part (B) and the fixed suction part (A) form a seal part that cuts off the upper and lower sides of the cylinder (A1), and the outer periphery of the stem (B1) The closed cylinder member (B4) mounted to be vertically movable closes the outside air introduction hole (18), and when the movable ejection part (B) is at the highest position and when the movable ejection part (B) is for liquid ejection. When moving up and down, the seal part is opened and the outside air introduction hole (18) is opened .
The above-mentioned seal part is tightly fitted between the inner surface of the upper end of the seal cylinder (48) and the outer periphery of the lower end of the stem (B1) that are closely fitted to the inner periphery of the cylinder (A1) as a part of the fixed suction part (A). A pump composed of parts. 上記シール筒（48）は、上記ステムの下端部外周面に密嵌した筒壁の下端から外方へフランジ（47）を延設してなり、このフランジ（47）外周をシリンダ（A1）内周に密嵌させたことを特徴とする、請求項１記載のポンプ。 The seal cylinder (48) is formed by extending a flange (47) outward from the lower end of the cylinder wall tightly fitted to the outer peripheral surface of the lower end of the stem, and the outer periphery of the flange (47) is connected to the cylinder (A1). characterized in that is closely fitted to the periphery, claim 1 pump according. 上記シール筒（48）を、シリンダ（A1）内周下端部に嵌着させるとともに、弾性連結片（41）を介して吸込み弁板（42）を支持する嵌着筒（40）上に一体に形成して、全体として吸込み弁部材（A4）として構成した請求項２記載のポンプ。 The seal cylinder (48) is fitted on the lower end of the inner periphery of the cylinder (A1) and is integrally formed on the fitting cylinder (40) that supports the suction valve plate (42) via the elastic connecting piece (41). The pump according to claim 2 , wherein the pump is formed as a whole and configured as a suction valve member (A4). 閉塞筒部材（B4）は、固定吸引部（Ａ）上端開口より上端部を突出させ、且つ、内側に外気導入用の隙間をあけて、上下動可能にステム（B1）外周下部に嵌合させた基筒部（90）と、該基筒部（90）外周下部より突設するとともに、シリンダ（A1）内周上部に上下摺動可能に嵌合させた環状の摺動閉塞部（91）とからなり、可動噴出部（Ｂ）が最下降の係止状態に移行する際に可動噴出部（Ｂ）上部に設けた下向き段部により閉塞筒部材（B4）が押し下げられて外気導入孔（18）の閉塞状態に移行するとともに、可動噴出部（Ｂ）が最上昇位置に移行する際にステム（B1）外周下部に設けた上向き段部により押し上げられて外気導入孔（18）開放状態に移行する如く構成した請求項１から請求項３のいずれか１項に記載のポンプ。 The closed cylinder member (B4) has its upper end protruding from the upper end opening of the fixed suction part (A), and has a gap for introducing outside air inside, and is fitted to the lower part of the outer periphery of the stem (B1) so that it can move up and down. The base cylinder part (90), and an annular sliding closure part (91) that protrudes from the lower outer periphery of the base cylinder part (90) and is slidably fitted to the upper inner periphery of the cylinder (A1) The closed cylindrical member (B4) is pushed down by the downward step provided on the upper part of the movable ejection part (B) when the movable ejection part (B) shifts to the lowest lowered locking state. 18) When the movable ejection part (B) moves to the highest position, it is pushed up by the upward step provided on the lower outer periphery of the stem (B1) to open the outside air introduction hole (18). The pump according to any one of claims 1 to 3 , wherein the pump is configured to shift.
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