JP2011177630A

JP2011177630A - Liquid jetting device

Info

Publication number: JP2011177630A
Application number: JP2010043179A
Authority: JP
Inventors: Hiroyuki Nakamura; 弘幸中村
Original assignee: Yoshino Kogyosho Co Ltd
Current assignee: Yoshino Kogyosho Co Ltd
Priority date: 2010-02-26
Filing date: 2010-02-26
Publication date: 2011-09-15

Abstract

<P>PROBLEM TO BE SOLVED: To provide a liquid jetting device capable of shifting a jetting pattern while securing the function of high pressure jetting. <P>SOLUTION: The liquid jetting device includes a body 1 having a pump 2 sucking, pressurizing and pressure-sending the content of a container 20 and is attached to a container port section 21, a connecting member 4 that has an opening A<SB>1</SB>connected to the pump and is fixed to the tip of the body 1, a regulating valve 5 that controls the content from the connecting member 4, and a nozzle 6 that has the opening 6a jetting the content from the regulating valve 5 and is supported by the connecting member 4, wherein the accommodating space S of the regulating valve 5 is formed between the nozzle 6 and connecting member 4 and an intermediate member 7 that is fixed to the connecting member 4 is provided, a projection 7p that is fitted into and is supported by a recess 6n provided on the back side of the nozzle 6 is provided on the intermediate member 7, a plurality of recessed trenches 7g<SB>1</SB>, 7g<SB>2</SB>whose cross-sections are different and which are connected to the space S are formed at intervals in the circumferential direction on the outer peripheral surface of the projection 7p, a plurality of recessed trenches 6g<SB>1</SB>that are connected to the opening 6a are formed on the recess 6n of the nozzle 6, and the nozzle 6 is rotatably supported around the connecting member 4 so as to allow the recess 6g<SB>1</SB>to be communicated with the recessed trenches 7g<SB>1</SB>(7g<SB>2</SB>). <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、高圧噴射を目的に調圧弁を内蔵した液体噴出器に関するものである。 The present invention relates to a liquid ejector incorporating a pressure regulating valve for the purpose of high-pressure injection.

従来の液体噴出器としては、容器の内容物をポンプによって吸引、加圧及び圧送するに際し、外界に噴射するまでに生じる圧力損失を考慮し、調圧弁を内蔵したものがある（例えば、特許文献１参照）。 As a conventional liquid ejector, there is a built-in pressure regulating valve in consideration of a pressure loss that occurs until the container contents are sucked, pressurized and pumped by a pump before being jetted to the outside (for example, Patent Documents). 1).

特開２００１−３４７１９３号公報JP 2001-347193 A

しかしながら、従来の液体噴出器は、噴射パターン（細かい霧や粗い霧、噴霧角度）を切り換えることができないため、使用者は、噴射パターンに応じた液体噴出器を使い分ける必要がある。即ち、従来の液体噴出器には、噴射パターンに応じた切り換えを可能とする点において改善の余地がある。 However, since the conventional liquid ejector cannot switch the spray pattern (fine mist, rough mist, spray angle), the user needs to use different liquid ejectors according to the spray pattern. That is, the conventional liquid ejector has room for improvement in that switching according to the ejection pattern is possible.

本発明の目的とするところは、高圧噴射の機能を確保しつつ、霧の状態や噴霧角度等の噴射パターンの切り換えが可能な液体噴出器を提供することにある。 An object of the present invention is to provide a liquid ejector capable of switching a spray pattern such as a fog state and a spray angle while ensuring a high-pressure spray function.

本発明の液体噴出器は、容器の内容物を吸引、加圧及び圧送するポンプを有し容器の口部に装着されるボディと、ポンプに通じる開孔を有しボディの先端に固定される連結部材と、この連結部材からの内容物を調圧する調圧弁と、この調圧弁からの内容物を噴出させる開孔を有し連結部材に保持されるノズルとを備え、
当該ノズルと連結部材との間に、調圧弁の収納空間を形成し当該連結部材に固定される中間部材を設け、
当該中間部材に、ノズルの背面に設けた凹部に嵌合保持される凸部を設けると共に、当該凸部の外周面に、周方向に間隔を空けて、収納空間に通じる断面積の異なる複数の凹溝を形成し、
当該ノズルの凹部に、当該ノズルの開孔に繋がる複数の凹溝を形成すると共に、当該凹溝が、中間部材の凸部に形成した凹溝に連通するように、当該ノズルを、連結部材の周りに回転可能に保持したことを特徴とするものである。 The liquid ejector of the present invention has a pump that sucks, pressurizes, and pumps the contents of the container, and is attached to the mouth of the container, and has an opening that leads to the pump, and is fixed to the tip of the body. A coupling member, a pressure regulating valve that regulates the content from the coupling member, and a nozzle that has an opening that ejects the content from the pressure regulating valve and is held by the coupling member.
Between the nozzle and the connecting member, an intermediate member is provided that forms a storage space for the pressure regulating valve and is fixed to the connecting member.
The intermediate member is provided with a convex portion that is fitted and held in a concave portion provided on the back surface of the nozzle, and a plurality of different cross-sectional areas leading to the storage space are provided on the outer peripheral surface of the convex portion at intervals in the circumferential direction. Forming a ditch,
In the concave portion of the nozzle, a plurality of concave grooves connected to the opening of the nozzle are formed, and the nozzle is connected to the concave portion of the connecting member so that the concave groove communicates with the concave groove formed in the convex portion of the intermediate member. It is characterized by being held rotatably around.

本発明に従えば、断面積の異なる複数の凹溝のうち、２つの凹溝を一対に構成し、当該凹溝を、開孔を挟んで対向する位置に配置することができる。 According to the present invention, among the plurality of grooves having different cross-sectional areas, two grooves can be configured as a pair, and the grooves can be arranged at positions facing each other with the opening therebetween.

本発明によれば、ノズルを連結部材の周りに回転させて、断面積の異なる凹溝をノズルの開孔に通じさせることで、例えば、断面積の小さい凹溝の場合は細かい霧で噴霧角度を大きくすることができ、また、断面積の大きな凹溝の場合は粗い霧で噴霧角度を小さくすることができる等、内容物の噴射圧を変更することができる。従って、本発明によれば、ノズルを連結部材の周りに回転させるだけで、高圧噴射の機能を確保しつつ、霧の状態や噴霧角度等の噴射パターンを切り換えることができる。 According to the present invention, the nozzle is rotated around the connecting member, and the groove having a different cross-sectional area is led to the opening of the nozzle. In the case of a concave groove having a large cross-sectional area, the spray pressure of the contents can be changed, for example, the spray angle can be reduced with a coarse mist. Therefore, according to the present invention, it is possible to switch the spray pattern such as the fog state and the spray angle while ensuring the function of high-pressure spray only by rotating the nozzle around the connecting member.

本発明の第一の形態である、トリガー式液体噴出器を側面から示す断面図である。It is sectional drawing which shows the trigger type liquid ejector which is a 1st form of this invention from a side surface. 同形態に係る、ノズル付近を示す要部断面図である。It is principal part sectional drawing which shows the nozzle vicinity based on the form. 同形態に係る、ノズルと中間部材との組み付け部分を模式的に示す分解斜視図である。It is a disassembled perspective view which shows typically the assembly | attachment part of the nozzle and intermediate member based on the form. (a)〜(c)はそれぞれ、高圧噴射時、噴射停止状態及び低圧噴射状態における流路状態を模式的に示す説明図である。(a)-(c) is explanatory drawing which shows typically the flow-path state in a high-pressure injection, an injection stop state, and a low-pressure injection state, respectively. 本発明の第二の形態に係る、ノズル付近を示す要部断面図である。It is principal part sectional drawing which shows the nozzle vicinity based on the 2nd form of this invention. 従来技術に係る、ノズル付近を示す要部断面図である。It is principal part sectional drawing which shows the nozzle vicinity based on a prior art.

以下、図面を参照して、本発明の様々な形態を詳細に説明する。 Hereinafter, various forms of the present invention will be described in detail with reference to the drawings.

図１〜４にはそれぞれ、本発明の第１の形態を示す。図中、１は、容器２０の内容物を吸引、加圧及び圧送するポンプ２を有し容器２０の口部２１に装着されるボディである。ボディ１の内部には、インテークＩが嵌合保持され、このインテークＩとの間に、逆止弁Ｂが配置されている。また、インテークＩには、チューブＣが接続され、容器の内容物を吸入することができる。 1 to 4 each show a first embodiment of the present invention. In the figure, reference numeral 1 denotes a body that has a pump 2 that sucks, pressurizes and pumps the contents of the container 20 and is attached to the mouth portion 21 of the container 20. An intake I is fitted and held inside the body 1, and a check valve B is disposed between the intake I and the intake I. A tube C is connected to the intake I so that the contents of the container can be sucked.

ポンプ２は、トリガー３の牽曳によってポンプ動作が生起される既存のものである。ポンプ２は、逆止弁Ｂを介して吸引された内容物を加圧すると共に、当該内容物をボディ１内に形成された内部通路Ｐに圧送する。 The pump 2 is an existing pump in which pump operation is caused by checking the trigger 3. The pump 2 pressurizes the contents sucked through the check valve B and pumps the contents into an internal passage P formed in the body 1.

４は、ボディ１の先端に固定される連結部材である。連結部材４は、内部通路Ｐに通じる開孔Ａ₁を有し、この開孔Ａ₁は、内部通路Ｐよりも小さな内径を有し、オリフィスとして機能する。また、連結部材４は、開孔Ａ₁を取り囲む内筒部４ａ及び外筒部４ｂを有し、これらが先端に向かって突出する。加えて、連結部材４は、内筒部４ａの内側に突出部４ｐが一体に設けられている。なお、突出部４ｐは、後述の弾性部材５ｓの案内として機能する。 Reference numeral 4 denotes a connecting member fixed to the tip of the body 1. The connecting member 4 has an opening A ₁ communicating with the internal passage P. The opening A ₁ has an inner diameter smaller than that of the internal passage P and functions as an orifice. The connecting member 4 has an inner cylindrical portion 4a and the outer cylinder portion 4b surrounding the apertures A _1, they are projected toward the tip. In addition, the connecting member 4 is integrally provided with a protruding portion 4p inside the inner cylinder portion 4a. The protruding portion 4p functions as a guide for an elastic member 5s described later.

５は、連結部材４からの内容物を調圧する調圧弁である。調圧弁５は、弾性部材（例えば、リターンスプリング）５ｓを介して保持される弁体５ａと共に、連結部材４の内筒部４ａに摺動可能に保持される第１の摺動部５ｐ₁と、後述する中間部材７に摺動可能に保持される第２の摺動部５ｐ₂とを有する。 5 is a pressure regulating valve for regulating the content from the connecting member 4. Pressure regulating valve 5, the elastic member (e.g., a return spring) with the valve body 5a which is held via the 5s, first sliding portion 5p ₁ which is slidably held in the inner cylinder portion 4a of the connecting member 4 And a second sliding portion 5p ₂ slidably held by an intermediate member 7 described later.

第１の摺動部５ｐ₁は、筒状をなし、図２に示すように、連結部材４の内筒部４ａの内周面に対して液密状態に保持され、第２の摺動部５ｐ₂も同様に、筒状をなし、後述する中間部材７の周壁７ｂの内周面に対して液密状態に保持されている。第１の摺動部５ｐ₁の外径は、同図に示すように、第２の摺動部５ｐ₂の外径よりも小径をなし、これにより、調圧弁５は、摺動部５ｐ₁及び５ｐ₂の受圧面積差に応じて、弾性部材５ｓの付勢力（弾性力）に抗した摺動動作を可能にする。 The first sliding portion 5p ₁ has a cylindrical shape and is held in a liquid-tight state with respect to the inner peripheral surface of the inner cylindrical portion 4a of the connecting member 4 as shown in FIG. Similarly, 5p ₂ has a cylindrical shape and is held in a liquid-tight state with respect to an inner peripheral surface of a peripheral wall 7b of an intermediate member 7 described later. As shown in the figure, the outer diameter of the first sliding portion 5p ₁ is smaller than the outer diameter of the _second sliding portion 5p ₂ , so that the pressure regulating valve 5 is connected to the sliding portion 5p _1. and in response to the pressure receiving area difference of 5p _2, to enable sliding operation against the biasing force of the elastic member 5s (elastic force).

６は、調圧弁５からの内容物を噴出させる開孔６ａを有し、連結部材４に保持されるノズルである。ノズル６の背面には、図３に示すように、凹部６ｎが形成されている。凹部６ｎは、開孔６ａを含む底面６ｎ₁を有し、この底面６ｎ₁の外縁から筒状に延在する内周面６ｎ₂で形作られている。 Reference numeral 6 denotes a nozzle that has an opening 6 a through which the content from the pressure regulating valve 5 is ejected and is held by the connecting member 4. As shown in FIG. 3, a recess 6 n is formed on the back surface of the nozzle 6. The recess 6n has a bottom surface 6n ₁ including an opening 6a, and is formed by an inner peripheral surface 6n ₂ extending in a cylindrical shape from the outer edge of the bottom surface 6n ₁ .

更に詳細には、凹部６ｎの底面（以下、「凹部底面」）６ｎ₁には、図３に示すように、開孔６ａに繋がる２つの凹溝６ｇ₁が形成されている。これら凹溝６ｇ₁は、内容物を噴霧させるためのスピン溝を構成し、開孔６ａを挟んで対向する位置に配置されている。また、凹溝（以下、「スピン溝」）６ｇ₁の合流部６ｃは、同図に示すように、開孔６ａに通じる凹部を形成する。 More specifically, as shown in FIG. 3, two concave grooves 6g ₁ connected to the opening 6a are formed on the bottom surface (hereinafter referred to as “concave bottom surface”) 6n _{1 of the} concave portion 6n. These concave grooves 6g ₁ constitute a spin groove for spraying the contents, and are arranged at positions facing each other across the opening 6a. Further, the junction 6c of the concave groove (hereinafter referred to as “spin groove”) 6g ₁ forms a concave portion that leads to the opening 6a, as shown in FIG.

７は、連結部材４とノズル６との間に配置される中間部材である。中間部材７は、連結部材４の外筒部４ｂの内側に形成された開口を仕切る仕切壁７ａを有し、仕切壁７ａの外縁から周壁７ｂが一体に延在する。 Reference numeral 7 denotes an intermediate member disposed between the connecting member 4 and the nozzle 6. The intermediate member 7 includes a partition wall 7a that partitions an opening formed inside the outer cylinder portion 4b of the connecting member 4, and the peripheral wall 7b extends integrally from the outer edge of the partition wall 7a.

また、中間部材７には、図３に示すように、その周壁７ｂの外周面に、周方向に間隔を空けて複数の突条７ｃが一体に形成されているのに対し、連結部材４には、図２に示すように、その外筒部４ｂの先端に、周方向に間隔を空けて複数の切り欠き４ｃが形成されている。これにより、中間部材７は、その突条７ｃが連結部材４の切り欠き４ｃに嵌合することで、外筒部４ｂに回転不納に固定されると共に、連結部材４と中間部材７との間には、調圧弁５の収納空間Ｓが形成される。 Further, as shown in FIG. 3, the intermediate member 7 is integrally formed with a plurality of protrusions 7 c on the outer peripheral surface of the peripheral wall 7 b at intervals in the circumferential direction. As shown in FIG. 2, a plurality of notches 4c are formed at the distal end of the outer cylinder portion 4b at intervals in the circumferential direction. Accordingly, the intermediate member 7 is fixed to the outer cylinder portion 4b in a non-rotatable manner by the protrusion 7c fitting into the notch 4c of the connection member 4, and between the connection member 4 and the intermediate member 7. A storage space S for the pressure regulating valve 5 is formed.

また、中間部材７には、図３に示すように、その仕切壁７ａに、ノズル６の背面に設けた凹部６ｎに嵌合保持される凸部７ｐが設けられている。凸部７ｐは、図２に示すように、ノズル６の凹部底面６ｎ₁に突き当たる先端面７ｐ₁を有し、この先端面７ｐ₁の外縁から円柱状に延在する外周面７ｐ₂で形作られている。 Further, as shown in FIG. 3, the intermediate member 7 is provided with a projection 7 p on its partition wall 7 a that is fitted and held in a recess 6 n provided on the back surface of the nozzle 6. As shown in FIG. 2, the convex portion 7p has a tip surface 7p ₁ that abuts against the concave bottom surface 6n ₁ of the nozzle 6, and is formed by an outer peripheral surface 7p ₂ that extends in a columnar shape from the outer edge of the tip surface 7p _1. ing.

凸部７ｐの外周面には、図３に示すように、周方向に間隔を空けて、収納空間Ｓに通じる４つの開口部Ａ₂が形成されている。４つの開口部Ａ₂はそれぞれ、図２に示すように、調圧弁５の弁体５ａによって封止されており、調圧弁５が収納空間Ｓの内圧上昇に伴い弾性部材５ｓの付勢力（弾性力）に抗して連結部材４側に後退することで開放される。 As shown in FIG. 3, four openings A ₂ communicating with the storage space S are formed on the outer peripheral surface of the convex portion 7 p at intervals in the circumferential direction. As shown in FIG. 2, each of the four openings A ₂ is sealed by a valve body 5a of the pressure regulating valve 5, and the pressure regulating valve 5 is energized (elastic) by the elastic member 5s as the internal pressure of the storage space S increases. It is released by retreating to the connecting member 4 side against the force).

加えて、凸部７ｐの外周面には、図３に示すように、当該開口部Ａ₂と周方向に互い違いに配置された４つの凹溝７ｇ₁，７ｇ₂が形成されている。凹溝７ｇ₁，７ｇ₂はそれぞれ、軸線Ｏに沿って延在する、断面積の小さな条溝と、断面積の大きな条との異なる断面積からなる。更に詳細には、本形態では、深さが浅く断面積の小さな凹溝（以下、「第１条溝」）７ｇ₁と、深さが深く断面積の大きな凹溝（以下、「第２条溝」）７ｇ₂をそれぞれ、２つずつの組とし、開孔６ａ（軸線Ｏ）を挟んだ一対の構成としている。 In addition, the outer peripheral surface of the projection 7p, as shown in FIG. 3, the opening A ₂ and the circumferential direction four grooves 7g which are staggered _1, 7g ₂ are formed. The concave grooves 7g ₁ and 7g ₂ each have a different cross-sectional area extending along the axis O and having a small cross-sectional area and a large cross-sectional area. More specifically, in this embodiment, a groove having a shallow depth and a small sectional area (hereinafter referred to as “first groove”) 7g ₁ and a groove having a large depth and a large sectional area (hereinafter referred to as “second line”). “Grooves”) 7g ₂ each have two pairs, and a pair of structures sandwiching the opening 6a (axis O).

なお、これらの対は、図４(b)に示すように、軸線Ｏ周りに角度Ｄだけずらして配置されているが、角度Ｄは、使用者の要求や用途に併せ、適宜、変更することができる。 These pairs are arranged with an angle D around the axis O as shown in FIG. 4B, but the angle D may be changed as appropriate according to the user's requirements and applications. Can do.

これに対し、ノズル６に設けた凹部６ｎには、図３に示すように、その内周面（以下、「凹部内周面」）６ｎ₂に、スピン溝６ｇ₁と軸線Ｏ周りに整列するように、軸線Ｏに沿って延在する２つの凹溝（以下、「条溝」）６ｇ₂が形成されている。 On the other hand, as shown in FIG. 3, the recess 6n provided in the nozzle 6 is aligned with its inner peripheral surface (hereinafter referred to as “recess inner peripheral surface”) 6n ₂ around the spin groove 6g ₁ and the axis O. Thus, two concave grooves (hereinafter referred to as “strip grooves”) 6 g ₂ extending along the axis O are formed.

加えて、ノズル６には、連結部材４の外筒部４ｂを取り囲む筒体部６ｂが設けられている。この筒体部６ｂの内周面には、図２に示すように、全周に沿って環状の溝部６ｄが形成されている。この溝部６ｄには、中間部材４の外筒部４ｂに設けた環状のリブ４ｒが嵌合保持されている。これにより、ノズル６は、連結部材４の外筒部４ｂ周りに回転可能に保持される。 In addition, the nozzle 6 is provided with a cylindrical body portion 6 b that surrounds the outer cylindrical portion 4 b of the connecting member 4. As shown in FIG. 2, an annular groove 6d is formed along the entire circumference on the inner peripheral surface of the cylindrical body 6b. An annular rib 4r provided on the outer cylinder 4b of the intermediate member 4 is fitted and held in the groove 6d. Thereby, the nozzle 6 is rotatably held around the outer cylinder portion 4 b of the connecting member 4.

ノズル６を連結部材４の周りに回転させて、図４(a)に示す位置に位置決めすれば、同図に示すように、凹部６ｎのスピン溝６ｇ₁と条溝６ｇ₂との間が、凸部７ｐの外周面によって遮断されるため、収納空間Ｓから条溝６ｇ₂に圧送された内容物は、開孔６ａから噴射されることがない。従って、使用者は、図４(a)に示すように、ノズル６を位置決めすれば、誤ってトリガー３を牽曳しても、内容物は噴射されることがなく、持ち運び等の携帯性に優れる。 Rotate the nozzle 6 about the connecting member 4, when positioned in the position shown in FIG. 4 (a), as shown in the figure, it is between spin groove 6 g ₁ and Jomizo 6 g ₂ of the recess 6n, because it is blocked by the outer peripheral surface of the projection 7p, content that has been pumped into grooves 6 g ₂ from the storage space S is not to be ejected from the opening 6a. Therefore, as shown in FIG. 4 (a), if the user positions the nozzle 6, even if the trigger 3 is mistakenly checked, the contents will not be ejected, and portability such as carrying is possible. Excellent.

これに対し、ノズル６を連結部材４の周りに回転させて、図４(b)に示す位置に位置決めすれば、同図に示すように、凹部６ｎのスピン溝６ｇ₁と条溝６ｇ₂との間が、凸部７ｐの外周面に形成された第１条溝７ｇ₁を通して連通される。 On the other hand, if the nozzle 6 is rotated around the connecting member 4 and positioned at the position shown in FIG. 4B, the spin groove 6g ₁ and the groove 6g ₂ of the recess 6n are formed as shown in FIG. Is communicated through the first groove 7g ₁ formed on the outer peripheral surface of the convex portion 7p.

即ち、収納空間Ｓから条溝６ｇ₂に圧送された内容物は、深さが浅く断面積の小さい第１条溝７ｇ₁からスピン溝６ｇ₁に導入された後、合流部６ｃを通して開孔６ａから噴射される。このように、断面積の小さい凹溝７ｇ₁を通して導入される場合は、噴霧角度αが大きく（α＝α₁）、細かな霧を噴射させることができる。従って、使用者は、例えば、通常の霧（細かな霧で噴霧角度αが大きい）を噴射させたいときには、図４(b)に示すように、ノズル６を位置決めすれば、内容物は通常の霧として噴射させることができる。 That is, the content pumped from the storage space S to the groove 6g ₂ is introduced into the spin groove 6g ₁ from the first groove 7g _{1 having} a small depth and a small cross-sectional area, and then opened to the opening 6a through the junction 6c. Is injected from. Thus, when introduced through the concave groove 7g _{1 having} a small cross-sectional area, the spray angle α is large (α = α ₁ ), and fine mist can be injected. Therefore, for example, when the user wants to spray a normal mist (a fine mist having a large spray angle α), if the nozzle 6 is positioned as shown in FIG. Can be sprayed as mist.

他方、ノズル６を連結部材４の周りに回転させて、図４(c)に示す位置に位置決めすれば、同図に示すように、凹部６ｎのスピン溝６ｇ₁と条溝６ｇ₂との間が、凸部７ｐの外周面に形成された第２条溝７ｇ₂を通して連通される。 On the other hand, by rotating the nozzle 6 about the connecting member 4, when positioned in the position shown in FIG. 4 (c), as shown in the figure, between the spin groove 6 g ₁ and Jomizo 6 g ₂ recesses 6n Is communicated through the second groove 7g ₂ formed on the outer peripheral surface of the convex portion 7p.

即ち、収納空間Ｓから条溝６ｇ₂に圧送された内容物は、深さが深く断面積の大きな凹溝７ｇ₂からスピン溝６ｇ₁に導入された後、合流部６ｃを通して開孔６ａから噴射される。このように、断面積の大きな凹溝７ｇ₂を通して導入される場合は、噴霧角度αが小さく（α＝α₂）、粗い霧を噴射させることができる。従って、使用者は、例えば、粒子が粗く噴射角度αが小さい霧を噴射させたいときには、図４(c)に示すように、ノズル６を位置決めすれば、内容物は、粒子の粗い霧として噴射させることができる。 That is, the content pumped from the storage space S to the groove 6g ₂ is introduced from the concave groove 7g _{2 having} a large depth and a large cross-sectional area into the spin groove 6g ₁ and then injected from the opening 6a through the junction 6c. Is done. Thus, when introduced through the concave groove 7g _{2 having} a large cross-sectional area, the spray angle α is small (α = α ₂ ), and a coarse mist can be injected. Therefore, for example, when the user wants to inject a mist having coarse particles and a small injection angle α, as shown in FIG. 4C, if the nozzle 6 is positioned, the contents are injected as a coarse mist of particles. Can be made.

図６には、従来の液体噴出器を例示する。従来のトリガー式液体噴出器は、連結部材４との間に、調圧弁５を配置するため、当該連結部材４の外筒部４ｂに直接ノズル６０をスプライン嵌合させている。このため、ノズル６０は連結部材４周りに回転させることができない。 FIG. 6 illustrates a conventional liquid ejector. In the conventional trigger type liquid ejector, the pressure regulating valve 5 is arranged between the connecting member 4 and the nozzle 60 is directly splined to the outer cylindrical portion 4 b of the connecting member 4. For this reason, the nozzle 60 cannot be rotated around the connecting member 4.

従って、従来の液体噴出器は、調圧弁５から圧送された内容物をノズルチップ６１に形成された開孔６１ａから噴射させるに過ぎず、ノズル６０を回転させることで噴射パターンを切り換えることは困難である。 Accordingly, the conventional liquid ejector merely ejects the content pumped from the pressure regulating valve 5 from the opening 61a formed in the nozzle tip 61, and it is difficult to switch the ejection pattern by rotating the nozzle 60. It is.

これに対し、本形態によれば、上述のように、ノズル６を連結部材４の周りに回転させ、断面積の異なる第１条溝７ｇ₁及び第２条溝７ｇ₂を適宜選択することで、例えば、断面積の小さい凹溝７ｇ₁の場合は細かい霧で噴霧角度αを大きくすることができ、また、断面積の大きな凹溝７ｇ₂の場合は粗い霧で噴霧角度αを小さくすることができる等、内容物の噴射圧を変更することができる。従って、本形態によれば、ノズル６を連結部材４の周りに回転させるだけで、高圧噴射の機能を確保しつつ、霧の状態や噴霧角度α等の噴射パターンを切り換えることができる。 On the other hand, according to the present embodiment, as described above, the nozzle 6 is rotated around the connecting member 4 and the first groove 7g ₁ and the second groove 7g ₂ having different cross-sectional areas are appropriately selected. For example, in the case of the concave groove 7g _{1 having} a small cross-sectional area, the spray angle α can be increased by a fine mist, and in the case of the concave groove 7g _{2 having} a large cross-sectional area, the spray angle α can be decreased by a coarse mist. The injection pressure of the contents can be changed. Therefore, according to the present embodiment, the spray pattern such as the fog state and the spray angle α can be switched while ensuring the function of high-pressure spray only by rotating the nozzle 6 around the connecting member 4.

なお、８は、ノズル６の先端に、ピン８ａを介して揺動可能に保持されるノズルカバー、９は、ボディ１に固定されるボディカバーである。また、１０は、ボディ１をポンプ２と共に容器２０の口部２１に装着するための装着筒である。なお、装着筒１０は、螺合により装着されているが、この装着手段はねじに限定されるものではない。 Reference numeral 8 denotes a nozzle cover that is swingably held at the tip of the nozzle 6 via a pin 8 a, and 9 is a body cover that is fixed to the body 1. Reference numeral 10 denotes a mounting cylinder for mounting the body 1 together with the pump 2 to the mouth portion 21 of the container 20. Although the mounting cylinder 10 is mounted by screwing, the mounting means is not limited to screws.

ところで、本発明に従えば、上述のとおり、ノズル６を接続部材４周りに回転させることによって、開孔６ａを開閉させることができる。このため、本発明によれば、図５に示す第２の形態のように、ノズルカバー８を省略することができる。 By the way, according to the present invention, the opening 6a can be opened and closed by rotating the nozzle 6 around the connecting member 4 as described above. For this reason, according to this invention, the nozzle cover 8 can be abbreviate | omitted like the 2nd form shown in FIG.

上述したところは、本発明の一形態を示したに過ぎず、特許請求の範囲内において、種々の変更を加えることができる。例えば、上述の形態は、予め液体噴出器としてユニット化されているが、本発明に従えば、ユニットさせることなく、容器に対して個々のパーツを組み付けるものとすることもできる。 The above description shows only one embodiment of the present invention, and various modifications can be made within the scope of the claims. For example, although the above-mentioned form is unitized as a liquid ejector in advance, according to the present invention, individual parts can be assembled to the container without being unitized.

本発明は、例えば、化粧水、整髪料等の化粧品、虫除け等の医薬品及び、美容・健康用品の分野に係る液体噴出器として採用することができる。 The present invention can be used, for example, as a liquid ejector in the fields of cosmetics such as lotion, hairdressing agents, pharmaceuticals such as insect repellents, and beauty / health products.

１ボディ
２ポンプ
３トリガー
４連結部材
４ａ内筒部
４ｂ外筒部
４ｃ切り欠き
５調圧弁
５ａ弁体
５ｐ₁第１の摺動部
５ｐ₂第２の摺動部
５ｓ弾性部材（リターンスプリング）
６ノズル
６ａ開孔（噴出孔）
６ｂ筒体部
６ｃ合流部
６ｇ₁ 凹溝（スピン溝）
６ｇ₂ 凹溝（条溝）
６ｎ凹部
６ｎ₁ 凹部底面
６ｎ₂ 凹部内周面
７中間部材
７ａ仕切壁
７ｂ周壁
７ｃ突条
７ｇ₁ 第１条溝
７ｇ₂ 第２条溝
７ｐ₁先端面
７ｐ₂外周面
８ノズルカバー
９ボディカバー
Ａ₁ 開孔（オリフィス）
Ａ₂ 開口部
Ｃチューブ
Ｐ内部通路
Ｓ収納空間 DESCRIPTION OF SYMBOLS 1 Body 2 Pump 3 Trigger 4 Connecting member 4a Inner cylinder part 4b Outer cylinder part 4c Notch 5 Pressure regulating valve 5a Valve body 5p ₁ 1st sliding part 5p ₂ 2nd sliding part 5s Elastic member (return spring)
6 Nozzle 6a Opening hole (ejection hole)
6b Cylindrical part 6c Junction part 6g ₁ groove (spin groove)
6g ₂ groove (strip)
6n recess 6n ₁ recess bottom 6n ₂ recess inner peripheral surface 7 intermediate member 7a partition wall 7b peripheral wall 7c ridge 7g ₁ first groove 7g ₂ second groove 7p ₁ tip surface 7p ₂ outer surface 8 nozzle cover 9 body cover A ₁ Opening (orifice)
A ₂ opening C tube P internal passage S storage space

Claims

容器の内容物を吸引、加圧及び圧送するポンプを有し容器の口部に装着されるボディと、ポンプに通じる開孔を有しボディの先端に固定される連結部材と、この連結部材からの内容物を調圧する調圧弁と、この調圧弁からの内容物を噴出させる開孔を有し連結部材に保持されるノズルとを備え、
当該ノズルと連結部材との間に、調圧弁の収納空間を形成し当該連結部材に固定される中間部材を設け、
当該中間部材に、ノズルの背面に設けた凹部に嵌合保持される凸部を設けると共に、当該凸部の外周面に、周方向に間隔を空けて、収納空間に通じる断面積の異なる複数の凹溝を形成し、
当該ノズルの凹部に、当該ノズルの開孔に繋がる複数の凹溝を形成すると共に、当該凹溝が、中間部材の凸部に形成した凹溝に連通するように、当該ノズルを、連結部材の周りに回転可能に保持したことを特徴とする液体噴出器。 A body that has a pump that sucks, pressurizes and pumps the contents of the container and is attached to the mouth of the container; a connecting member that has an opening leading to the pump and is fixed to the tip of the body; and A pressure regulating valve that regulates the content of the nozzle, and a nozzle that is held by the connecting member and has an opening that ejects the content from the pressure regulating valve,
Between the nozzle and the connecting member, an intermediate member is provided that forms a storage space for the pressure regulating valve and is fixed to the connecting member.
The intermediate member is provided with a convex portion that is fitted and held in a concave portion provided on the back surface of the nozzle, and a plurality of different cross-sectional areas leading to the storage space are provided on the outer peripheral surface of the convex portion at intervals in the circumferential direction. Forming a ditch,
In the concave portion of the nozzle, a plurality of concave grooves connected to the opening of the nozzle are formed, and the nozzle is connected to the concave portion of the connecting member so that the concave groove communicates with the concave groove formed in the convex portion of the intermediate member. A liquid ejector characterized by being held rotatably around.

請求項１において、断面積の異なる複数の凹溝のうち、２つの凹溝を一対に構成し、当該凹溝を、開孔を挟んで対向する位置に配置したことを特徴とする液体噴出器。 2. The liquid ejector according to claim 1, wherein two of the plurality of concave grooves having different cross-sectional areas are configured as a pair, and the concave grooves are arranged at positions facing each other with the opening interposed therebetween. .