JP2564040Y2 - Liquid injection device - Google Patents
Liquid injection deviceInfo
- Publication number
- JP2564040Y2 JP2564040Y2 JP1992023439U JP2343992U JP2564040Y2 JP 2564040 Y2 JP2564040 Y2 JP 2564040Y2 JP 1992023439 U JP1992023439 U JP 1992023439U JP 2343992 U JP2343992 U JP 2343992U JP 2564040 Y2 JP2564040 Y2 JP 2564040Y2
- Authority
- JP
- Japan
- Prior art keywords
- peripheral wall
- valve
- inward flange
- elastic
- container body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
- B05B11/0005—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
- B05B11/10—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
- B05B11/1028—Pumps having a pumping chamber with a deformable wall
- B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Description
【0001】[0001]
【産業上の利用分野】本考案は収納液を手動で加圧注出
する液体射出装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid ejecting apparatus for manually discharging a stored liquid under pressure.
【0002】[0002]
【従来の技術】この種液体射出装置は従来多数提案さ
れ、極く周知である。実開平2-81653 号公報はそれらの
なかの1例である。この公報から判るように、液体射出
装置は容器体口部にポンプ形の射出器本体を取付けたも
のである。即ち、容器体の口部に内設した縦形シリンダ
ーから上方外部に立上げたステム上端にノズル管付き押
下げヘッドを連通固定し、この押下げヘッドを復帰ばね
に抗し押下げ操作することによりステム下端の筒状ピス
トンによりシリンダー内液を加圧し、この加圧液を液自
信でステム内上部の吐出弁を開弁させてノズル管から外
部に射出させるものである。2. Description of the Related Art A large number of liquid ejecting apparatuses of this kind have been proposed and are well known. JP-A-2-81653 is one of them. As can be seen from this publication, the liquid ejecting apparatus has a pump-type injector main body attached to the mouth of the container. That is, a press-down head with a nozzle pipe is fixedly connected to the upper end of a stem rising upward and outward from a vertical cylinder installed in the mouth of the container body, and the press-down head is pressed down against a return spring. The liquid in the cylinder is pressurized by the cylindrical piston at the lower end of the stem, and the pressurized liquid is discharged from the nozzle tube to the outside by opening the discharge valve in the upper part of the stem by itself.
【0003】なお、液体射出が終了すると、筒状ピスト
ン、ステム、押下げヘッドの可動部が復帰ばねにより上
方に復帰し、この復帰でシリンダー内が負圧化すること
を利用し、シリンダー下部の吸込み弁を開弁してシリン
ダー内に容器体内から液体を吸上げ、次回の射出に備え
る。[0003] When the liquid injection is completed, the movable parts of the cylindrical piston, the stem and the push-down head are returned upward by a return spring, and the pressure inside the cylinder is reduced by this return. The suction valve is opened and liquid is sucked from the container into the cylinder to prepare for the next injection.
【0004】[0004]
【考案が解決しようとする課題】前記した液体射出装置
は標準品ではあるが、十分に機能と寿命を追求した高級
のものであり、このため多数の部品により複雑に構成さ
れている。即ち、射出器本体のポンプ部はシリンダー、
筒状ピストン、ステム、復帰ばね、調整棒の5部品で構
成している。Although the above-described liquid ejecting apparatus is a standard product, it is a high-grade liquid ejecting apparatus which sufficiently pursues a function and a long life, and is therefore complicatedly constituted by a large number of parts. That is, the pump part of the injector body is a cylinder,
It consists of five parts: a cylindrical piston, a stem, a return spring, and an adjusting rod.
【0005】ところで、この種商品は例えば化粧液等を
収納して試供品として販売店に配布される場合があり、
このような試供品の場合には射出液量は小量でよく、射
出器本体自体は高級品である必要はない。[0005] By the way, this kind of product may be stored in a cosmetic solution or the like and distributed to a store as a free sample.
In the case of such a sample, the amount of the injection liquid may be small, and the injector itself does not need to be a high-grade product.
【0006】本考案は、射出器本体の構成を小数部品に
よる簡易形とし、試供品用に適した低コスト構造の液体
射出装置を得るにある。An object of the present invention is to provide a liquid ejecting apparatus having a simple structure with a small number of parts and a low cost structure suitable for a sample.
【0007】[0007]
【課題を解決するための手段】本考案の液体射出装置
は、容器体1と、この容器体1の口頸部7に螺合され、
頂板8は中央部を大きく開孔して内向きフランジ状とし
たねじキャップ2と、このねじキャップ2外面部に、こ
の外面との間に通気用隙間9を形成して嵌合固定した取
付け周壁10と内向きフランジ11を有し、この内向きフラ
ンジ11内周縁から立上げた起立周壁12を介し前記口頸部
7の軸芯部に小径の連通筒13を垂下し、この連通筒13に
容器体1内に垂下する吸上げ管14を連通結合し、かつ内
向きフランジ11外周縁から支持用周壁15を立設し、この
支持用周壁15一側下部からノズル管16を側外方に突出し
た頭部部材3と、前記起立周壁12に外嵌固定した取付け
筒17の上部内面の周方向とびとび数個所からうず巻状に
内方に延出したばね腕18により支持されて前記連通筒13
上端開口を閉封する弾性吸込み弁19を設け、かつ取付け
筒17上端周縁から外方の前記支持用周壁15上部内面に届
き、この上部との間のドーナツ状空間を閉封してノズル
管16を閉封するスカート状の弾性吐出弁20を周設した弁
部材4と、前記支持用周壁15に下部周壁を支持固定され
て弁部材4上方を覆う加圧室21形成用の弾性ドーム5
と、下つぼまりの筒状であって前記口頸部7と連通筒13
間のドーナツ状吸気路に配設された弾性吸気弁6とで構
成している。A liquid ejecting apparatus according to the present invention is screwed into a container 1 and a mouth and neck 7 of the container 1.
The top plate 8 has a screw cap 2 having a large opening at the center and having an inward flange shape, and a mounting peripheral wall fitted and fixed by forming a ventilation gap 9 between the outer surface of the screw cap 2 and the outer surface. 10 and an inward flange 11, a small-diameter communication cylinder 13 is hung down on the shaft core of the mouth and neck portion 7 via an upstanding peripheral wall 12 that is raised from the inner peripheral edge of the inward flange 11, and the communication cylinder 13 A suction pipe 14 hanging down in the container body 1 is connected and connected, and a supporting peripheral wall 15 is erected from an outer peripheral edge of the inward flange 11, and a nozzle pipe 16 is laterally outwardly provided from a lower portion of one side of the supporting peripheral wall 15. The communication tube 13 is supported by a protruding head member 3 and a spring arm 18 extending inward in a spiral shape from several places in the circumferential direction of the upper inner surface of a mounting tube 17 externally fitted and fixed to the upstanding peripheral wall 12.
An elastic suction valve 19 for closing the upper end opening is provided, and reaches the inner surface of the upper part of the supporting peripheral wall 15 outside from the upper peripheral edge of the mounting cylinder 17, and the donut-shaped space between the upper part and the upper part is closed to close the nozzle tube 16. A valve member 4 having a skirt-shaped elastic discharge valve 20 surrounding the valve member, and an elastic dome 5 for forming a pressurized chamber 21 which is fixedly supported by the supporting peripheral wall 15 at a lower peripheral wall and covers the valve member 4 above.
And a communication cylinder 13 having a cylindrical shape of a lower vault and the mouth and neck 7
And a resilient intake valve 6 disposed in a donut-shaped intake passage therebetween.
【0008】[0008]
【作用】上記において、液体射出時には弾性ドーム5の
頂部を押込み変形し加圧室21を圧縮させて内部の液を加
圧する。すると、図2aのようにこの加圧液は吐出弁20
を内方に押しつぼめて開弁し、ノズル管16から外部に射
出される。In the above, when ejecting the liquid, the top of the elastic dome 5 is pushed and deformed to compress the pressurizing chamber 21 to pressurize the liquid inside. Then, as shown in FIG.
Is pressed inward to open the valve, and is ejected from the nozzle tube 16 to the outside.
【0009】液射出終了で弾性ドーム5の押込みを停止
すると、このときには既に吐出弁20が復帰閉弁している
ので、弾性ドーム5が弾性により原形に復帰して加圧室
21が負圧化し、これにより図2bのように吸込み弁19が
ばね腕18に抗し上方に浮き開弁するので、容器体1内の
液は吸上げ管14を通し加圧室21内に吸上げられる。この
吸上げで容器体1内が負圧化しようとするが、この負圧
化で吸気弁6が開弁し、外気が吸気用隙間9を通し容器
体1内に吸気されて負圧化を防止し、つぎの液射出への
待機状態となる。When the pushing of the elastic dome 5 is stopped at the end of the liquid injection, since the discharge valve 20 has already returned and closed at this time, the elastic dome 5 returns to its original shape due to elasticity, and the pressurizing chamber is pressed.
As a result, the suction valve 19 floats upward against the spring arm 18 and opens as shown in FIG. 2B, so that the liquid in the container 1 passes through the suction pipe 14 and enters the pressure chamber 21. Can be sucked up. The suction attempts to create a negative pressure in the container body 1, but the negative pressure causes the intake valve 6 to open, and the outside air is sucked into the container body 1 through the intake gap 9 to reduce the negative pressure. Prevention and a standby state for the next liquid injection.
【0010】[0010]
【実施例】以下図面を参照して一実施例を説明するに、
本考案の液体射出装置は吸込み弁19と吐出弁20を1個の
弁部材4で形成し、またポンプ部を弾性ドーム5単品と
することにより射出器本体をこの弁部材4と弾性ドーム
5のほかにねじキャップ2、頭部部材3、弾性吸気弁6
との小数部品で形成したことを特徴としている。容器体
1は適宜任意の形状でよいが、ここでは図3に示してい
るように上面から見てややくの字形に弯曲した長方体状
の形状としており、口頸部7外面にはねじ山を形成して
いる。BRIEF DESCRIPTION OF THE DRAWINGS FIG.
In the liquid ejecting apparatus according to the present invention, the suction valve 19 and the discharge valve 20 are formed by one valve member 4, and the pump unit is formed as a single elastic dome 5. In addition, screw cap 2, head member 3, elastic intake valve 6
It is characterized by being formed with decimal parts. The container body 1 may have an arbitrary shape as appropriate. Here, as shown in FIG. 3, the container body 1 has a rectangular parallelepiped shape that is easily curved in a U-shape when viewed from the top, and a screw is provided on the outer surface of the mouth and neck 7. It forms a mountain.
【0011】ねじキャップ2は、頂板8の中央部を大き
く開孔して内向きフランジ状とし、この頂板8の開孔内
周縁部の下縁を切落して空所として前記口頸部7外面に
螺合装着されている。このねじキャップ2の取付け周壁
の下部外面には係合突条22が突出してあり、この係合突
条22は周方向ところどころを縦に溝状に切欠き、上下に
通気できるようにしてある。The screw cap 2 has a large opening at the center of the top plate 8 to form an inward flange, and the lower edge of the inner peripheral edge of the opening of the top plate 8 is cut off to form an empty space on the outer surface of the mouth and neck 7. It is screwed on. An engaging ridge 22 protrudes from the lower outer surface of the mounting peripheral wall of the screw cap 2, and the engaging ridge 22 is notched vertically in some places in the circumferential direction so as to be able to ventilate up and down.
【0012】頭部部材3は、前記ねじキャップ2より一
回り大きい寸法の取付け周壁10と内向きフランジ11を有
し、周壁10下部内面の係合突条23を前記係合突条22に係
合しかつ内向きフランジ11をその下面の周方向とびとび
に垂下した垂下片を介し頂板8に載置することにより、
ねじキャップ2外面との間に通気用隙間9を形成して嵌
合固定してある。The head member 3 has a mounting peripheral wall 10 having dimensions slightly larger than the screw cap 2 and an inward flange 11, and engages with the engaging ridges 23 on the inner surface at the lower part of the peripheral wall 10. By mounting the inward flange 11 on the top plate 8 via a hanging piece hanging down in a circumferential direction on the lower surface thereof,
A ventilation gap 9 is formed between the screw cap 2 and the outer surface, and the screw cap 2 is fitted and fixed.
【0013】この頭部部材3は、さらに内向きフランジ
11内周縁から起立周壁12を立上げ、この周壁12上端から
内向きのフランジを介し前記口頸部7の軸芯部に位置さ
せて小径連通筒13を垂設し、この小径連通筒13に容器体
1内下方に垂下する吸上げ管14を連通結合し、また内向
きフランジ11外周縁から内外2重の支持用周壁15を立設
し、この支持用周壁15の一側下部から側外方にノズル管
16を貫通突出している。The head member 3 is further provided with an inward flange.
An upright peripheral wall 12 is raised from the inner peripheral edge of the peripheral wall 12, and a small-diameter communication tube 13 is vertically provided from the upper end of the peripheral wall 12 via an inward flange at the shaft core of the mouth-neck portion 7. A suction pipe 14 hanging downward in the container body 1 is connected and connected, and a double inner and outer peripheral wall 15 is erected from the outer peripheral edge of the inward flange 11. Nozzle tube towards
16 project through.
【0014】弁部材4はゴムあるいは軟質合成樹脂から
なるもので、前記起立周壁12に外嵌固定した取付け筒17
上部内周の等間隔3個所から内方にうず巻き状に延出し
た3体のばね腕18により保持されて、下面周縁のリング
状の足24により前記連通筒13上端開口を閉封する円板状
の弾性吸込み弁19を設け、また取付け筒17上端周縁から
その外方の前記支持用周壁15の内側周壁の上部内面に圧
接してこの周壁との間のドーナツ状空間を閉封してノズ
ル管16を閉封するスカート状の弾性吐出弁20を周設して
おり、2つの弁19, 20を一部品で形成している。The valve member 4 is made of rubber or a soft synthetic resin.
A disc that is held by three spring arms 18 extending inward from three equally spaced locations on the upper inner periphery and closed at the upper end opening of the communication cylinder 13 by ring-shaped feet 24 on the lower peripheral edge. A resilient suction valve 19 is provided, and a donut-shaped space between the mounting cylinder 17 and the upper peripheral surface of the inner peripheral wall of the supporting peripheral wall 15 is pressed from the upper peripheral edge of the mounting cylinder 17 to seal the donut-shaped space between the peripheral wall and the nozzle. A skirt-shaped elastic discharge valve 20 for closing the pipe 16 is provided around the periphery, and the two valves 19 and 20 are formed as one piece.
【0015】弾性ドーム5もゴムあるいは軟質合成樹脂
からなり、下部周壁を前記支持用周壁15の内外2重周壁
間に挾着され、またこの下部周壁から分岐した外部周壁
を支持用周壁15の外部周壁外面に係嵌固定して前記弁部
材4上方を覆うよう配されて加圧室21を形成している。The elastic dome 5 is also made of rubber or soft synthetic resin. The lower peripheral wall is sandwiched between the inner and outer double peripheral walls of the supporting peripheral wall 15, and the outer peripheral wall branched from the lower peripheral wall is formed on the outer periphery of the supporting peripheral wall 15. A pressure chamber 21 is formed so as to be engaged with and fixed to the outer surface of the peripheral wall so as to cover the upper part of the valve member 4.
【0016】吸気弁6はゴムあるいは軟質合成樹脂から
なる下つぼまりの筒状のもので、前記口頸部7と連通筒
13間のドーナツ状空間に配され、上部の肉厚部を、口頸
部7頂面とねじキャップ2の頂板8間に介在固定された
リング体25に喰込ませ、かつこのリング体25と頂板8の
内周部間で上部を挾み固定し、下部の弾性変形部を連通
筒13外面に圧接させて常時通気用隙間9をしゃ断してい
る。The intake valve 6 is a lower-bore cylindrical member made of rubber or a soft synthetic resin.
13 is arranged in a donut-shaped space, and the upper thick portion is cut into a ring 25 fixed between the top surface of the mouth and neck 7 and the top plate 8 of the screw cap 2. The upper part is sandwiched and fixed between the inner peripheral parts of the top plate 8, and the lower elastically deforming part is pressed against the outer surface of the communication cylinder 13 to constantly cut off the ventilation gap 9.
【0017】なお、26はキャップ状の押下げヘッドで、
図1及び図3aのように周壁の下部内周に帯状溝27を凹
設し、かつ一側に切欠き溝28を設け、この切欠き溝28に
よりノズル管16を通すことにより弾性ドーム5外面に被
せ、帯状溝27下縁の係合突条29を頭部部材3上部外面の
係合突条30に係合し、帯状溝27の溝巾分押下げできるよ
うに装着してある。しかし、この押下げヘッド26は必ら
ずしも設けずともよい。同図bは押下げヘッド26を省い
た図である。Reference numeral 26 denotes a cap-like pressing head.
As shown in FIGS. 1 and 3a, a band-like groove 27 is formed in the lower inner periphery of the peripheral wall, and a notch groove 28 is provided on one side, and the nozzle tube 16 is passed through the notch groove 28 so that the outer surface of the elastic dome 5 can be formed. The engagement ridge 29 on the lower edge of the band-like groove 27 is engaged with the engagement ridge 30 on the outer surface of the upper part of the head member 3 so as to be pushed down by the width of the band-like groove 27. However, the pressing head 26 need not always be provided. FIG. 2B is a view in which the pressing head 26 is omitted.
【0018】容器体1を除いた射出器本体を形成する上
記各部は予かじめ一体的に組込まれており、この本体は
容器体1に液を充填したのちねじキャップ2を介し容器
体1に組立てられる。The above-mentioned parts forming the main body of the injector excluding the container 1 are preliminarily integrated integrally. The main body is filled with the liquid in the container 1 and then connected to the container 1 via the screw cap 2. Assembled.
【0019】この実施例で、弾性ドーム5頂部を押込み
変形し加圧室21を圧縮すれば内部の液が加圧でき、この
加圧液で吐出弁20を押し開いてノズル管16から外部に射
出できる。In this embodiment, if the top of the elastic dome 5 is pushed and deformed to compress the pressurizing chamber 21, the internal liquid can be pressurized. The pressurized liquid pushes the discharge valve 20 open and out of the nozzle pipe 16 to the outside. Can be injected.
【0020】また弾性ドーム5圧縮を停止すれば、この
ドーム5は原形に復帰しこのとき吐出弁20は閉弁状態に
戻っているので加圧室21は負圧化し、これにより吸込み
弁19が上方に浮いて開弁し、吸上げ管14を通し容器体1
内液が加圧室21内に吸上げられ、この吸上げで容器体1
が負圧化しようとするが、吸気弁6が開弁し容器体1内
には外気が吸気される。When the compression of the elastic dome 5 is stopped, the dome 5 returns to its original shape, and the discharge valve 20 returns to the closed state. At this time, the pressure in the pressurizing chamber 21 is reduced to a negative pressure. Float upward and open the valve.
The inner liquid is sucked into the pressurizing chamber 21 and the container 1
However, the outside air is sucked into the container body 1 by opening the intake valve 6.
【0021】[0021]
【考案の効果】上記したように、本考案の液体射出装置
ではシリンダー、筒状ピストン、ステム、復帰ばね、調
整棒の5部品を要していたポンプ部を弾性ドーム5単品
で形成し、また吸込み弁19と吐出弁20を弁部材4の一部
品で形成して射出器本体の部品数を大巾に低減した簡易
形構成としたので、低コストで提供でき、試供品用とし
て好適である。As described above, in the liquid ejecting apparatus according to the present invention, the pump portion, which required five parts of the cylinder, the cylindrical piston, the stem, the return spring, and the adjusting rod, is formed by a single elastic dome. Since the suction valve 19 and the discharge valve 20 are formed as one part of the valve member 4 and have a simple configuration in which the number of parts of the injector body is greatly reduced, it can be provided at low cost and is suitable for a sample. .
【図1】一実施例の主要部を縦断して示した正面図であ
る。FIG. 1 is a front view showing a main part of one embodiment in a longitudinal section.
【図2】同実施例の作用を示す一部縦断面図で、aは射
出状態、bは吸込み状態の図である。FIG. 2 is a partial longitudinal sectional view showing the operation of the embodiment, wherein a is an injection state and b is a suction state.
【図3】aは同実施例の外形斜視図を示し、bは押下げ
ヘッドを用いない他実施例の外形斜視図である。FIG. 3A is an external perspective view of the embodiment, and FIG. 3B is an external perspective view of another embodiment without using a pressing head.
1 容器体 2 ねじキャップ 3 頭部部材 4 弁部材 5 弾性ドーム 6 吸気弁 DESCRIPTION OF SYMBOLS 1 Container body 2 Screw cap 3 Head member 4 Valve member 5 Elastic dome 6 Intake valve
Claims (1)
螺合され、頂板8は中央部を大きく開孔して内向きフラ
ンジ状としたねじキャップ2と、このねじキャップ2外
面部に、この外面との間に通気用隙間9を形成して嵌合
固定した取付け周壁10と内向きフランジ11を有し、この
内向きフランジ11内周縁から立上げた起立周壁12を介し
前記口頸部7の軸芯部に小径の連通筒13を垂下し、この
連通筒13に容器体1内に垂下する吸上げ管14を連通結合
し、かつ内向きフランジ11外周縁から支持用周壁15を立
設し、この支持用周壁15一側下部からノズル管16を側外
方に突出した頭部部材3と、前記起立周壁12に外嵌固定
した取付け筒17の上部内面の周方向とびとび数個所から
うず巻状に内方に延出したばね腕18により支持されて前
記連通筒13上端開口を閉封する弾性吸込み弁19を設け、
かつ取付け筒17上端周縁から外方の前記支持用周壁15上
部内面に届き、この上部との間のドーナツ状空間を閉封
してノズル管16を閉封するスカート状の弾性吐出弁20を
周設した弁部材4と、前記支持用周壁15に下部周壁を支
持固定されて弁部材4上方を覆う加圧室21形成用の弾性
ドーム5と、下つぼまりの筒状であって前記口頸部7と
連通筒13間のドーナツ状吸気路に配設された弾性吸気弁
6とからなる液体射出装置。1. A container body 1, a screw cap 2 screwed to a mouth and neck portion 7 of the container body 1, and a top plate 8 having a large opening at the center and having an inward flange shape. The outer peripheral portion has a mounting peripheral wall 10 which is fitted and fixed with a ventilation gap 9 formed between the outer peripheral surface and the outer peripheral surface, and an inward flange 11, and an upright peripheral wall 12 rising from the inner peripheral edge of the inward flange 11. A small-diameter communication tube 13 is hung down on the shaft core of the mouth-neck portion 7, a suction pipe 14 hung down in the container body 1 is connected to the communication tube 13, and a support tube is provided from the outer peripheral edge of the inward flange 11. A head member 3 having a peripheral wall 15 erected and a nozzle tube 16 protruding outwardly from a lower portion of one side of the supporting peripheral wall 15, and a circumferential direction of an upper inner surface of a mounting cylinder 17 which is externally fixed to the standing peripheral wall 12. Closed at the upper end opening of the communication cylinder 13 is supported by a spring arm 18 extending inward in a spiral shape from several places. Elastic suction valve 19 is provided,
The skirt-shaped elastic discharge valve 20 which reaches the inner surface of the upper part of the supporting peripheral wall 15 outside from the upper peripheral edge of the mounting cylinder 17 and seals the donut-shaped space between the upper part and the nozzle pipe 16 is closed. A valve member 4 provided, an elastic dome 5 for forming a pressurized chamber 21 having a lower peripheral wall supported and fixed to the supporting peripheral wall 15 and covering the upper side of the valve member 4; A liquid injection device comprising an elastic intake valve 6 disposed in a donut-shaped intake passage between the section 7 and the communication cylinder 13;
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1992023439U JP2564040Y2 (en) | 1992-03-18 | 1992-03-18 | Liquid injection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1992023439U JP2564040Y2 (en) | 1992-03-18 | 1992-03-18 | Liquid injection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0575187U JPH0575187U (en) | 1993-10-12 |
JP2564040Y2 true JP2564040Y2 (en) | 1998-03-04 |
Family
ID=12110538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1992023439U Expired - Fee Related JP2564040Y2 (en) | 1992-03-18 | 1992-03-18 | Liquid injection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2564040Y2 (en) |
-
1992
- 1992-03-18 JP JP1992023439U patent/JP2564040Y2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0575187U (en) | 1993-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |