JP3957953B2 - Spout head - Google Patents

Spout head Download PDF

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Publication number
JP3957953B2
JP3957953B2 JP2000171903A JP2000171903A JP3957953B2 JP 3957953 B2 JP3957953 B2 JP 3957953B2 JP 2000171903 A JP2000171903 A JP 2000171903A JP 2000171903 A JP2000171903 A JP 2000171903A JP 3957953 B2 JP3957953 B2 JP 3957953B2
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JP
Japan
Prior art keywords
cylinder
jet
fitted
outer cylinder
front surface
Prior art date
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Expired - Fee Related
Application number
JP2000171903A
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Japanese (ja)
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JP2001347195A (en
Inventor
隆治 田崎
辰男 椿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yoshino Kogyosho Co Ltd
Original Assignee
Yoshino Kogyosho Co Ltd
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Publication date
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Priority to JP2000171903A priority Critical patent/JP3957953B2/en
Publication of JP2001347195A publication Critical patent/JP2001347195A/en
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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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/753—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by details or accessories associated with outlets

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

Description

【０００１】
【発明の属する技術分野】
本発明は噴出ヘッドに関し、詳しくは、押下ヘッド式ポンプやトリガー式ポンプ等の液体噴出ポンプの噴出口部分に設ける噴出ヘッドに関する。
【０００２】
【従来の技術】
押し下げヘッドを上下動させることにより装着した容器体内の液を吸い上げて噴出口より噴出する如く構成した押下ヘッド式のポンプや、トリガーを引くことにより装着した容器体内の液を噴出口より噴出する如く構成したトリガー式ポンプが知られているが、これらのポンプの噴出口は、例えば、前者では押下ヘッド前面より前方へ突出させた筒状ノズルの先端開口や、後者では射出筒先端に嵌着した噴出ヘッド前面中央部に開口する噴出口が一般的形態である。
【０００３】
従来のこの種ポンプでは液を噴出口より棒状に噴出したり、或いはスピン機構を内蔵して霧状に噴出したり等の種々の形態で噴出を行う如く構成しているが、比較的流動性の悪い高粘度の液を取り扱う場合に、従来の棒状噴出型のものでは噴出した液が拡散し難く塗布面積が小さいものとなる。また、噴霧型のものは一般に広範囲の塗布に適しているが、高粘度の液の場合には拡散が行い難い。更に、液によっては広範囲の塗布は要望されるものの霧状に噴霧されるのが好ましくないものもある。
【０００４】
【発明が解決しようとする課題】
本発明はこの様な点に鑑みなされたもので、高粘度の液を噴出しても充分拡散して噴出することができ、また、霧状に噴出されるのが好ましくない液を広範囲に噴出する場合に好適で、噴出液の点在塗布が可能な優れた噴出ヘッドを提案するものである。
【０００５】
また、本発明では極めて簡単な構造で、組み付け操作及び製造が簡単であり、各分岐噴出口から均一な液の噴出を行える噴出ヘッドを提案するものである。
【０００６】
【課題を解決するための手段】
第１の手段として、以下の通り構成した。即ち、液体を噴出するポンプの噴出口部分に設けた噴出ヘッドであって、前面の環状位置に多数の分岐噴出口ａを開口して構成した。
【０００７】
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、上記多数の分岐噴出口ａが、噴出ヘッド本体２前面に固定した流路分岐部材３の前面に開口した分岐噴出口ａであり、流路分岐部材３が、噴出ヘッド本体２前面より突設した嵌合筒18内に外筒19を嵌合させるとともに、外筒19内面前部より周方向複数突設した連結片20を介して、後部を円錐板状に閉塞した内筒21を、外筒19中央に支持してなる第１部材3Aと、各連結片20を前端の切溝22にそれぞれ嵌合させて外筒19及び内筒21間に周壁23前部を嵌合させるとともに、周壁23内面より内筒21と隙間をあけて延設したテーパ壁24の後端開口を噴出ヘッド本体２の噴出口16に連通させ、且つ、周壁23内側先端部に噴出口16と外部とを連通させる連通溝25を周方向多数設けてその先端をそれぞれ分岐噴出口ａとした第２部材3Bとで構成した流路分岐部材３である。
【０００８】
【発明の実施の形態】
以下、本発明の実施例の形態を図面を参照して説明する。
【０００９】
図面は本発明の一実施例を示し、図中Ａは噴出ヘッドを示す。該ヘッドは、容器体に装着して使用し、その容器体内の液体を吸い上げて噴出するポンプの噴出口部分に設けたものであって、前面の環状位置に多数の分岐噴出口ａを開口している。噴出ヘッドを設けるポンプとしては、押下ヘッド式ポンプやトリガー式ポンプ等の公知形態のものが挙げられ、特に噴出口先端からの液垂れを防止する目的で形成されたバックサクションタイプや残圧除去を行う蓄圧タイプのものに応用するのが好ましい。噴出ヘッドは、押下ヘッド式ポンプの場合には押下ヘッドより突設したノズル先端に、トリガー式ポンプの場合には射出筒先端にそれぞれ固定する。
【００１０】
また、図示例の噴出ヘッドＡは、噴出ヘッド本体２と、流路分岐部材３とを備え、連結部材４を介してトリガー式ポンプの射出筒５先端に嵌合固定している。
【００１１】
連結部材４は、射出筒５外周先端部に嵌合させた後筒６を基板７裏面より突設し、また、基板７前面からは前筒８を突設し、その中央に開閉機構を構成する円柱状突部９を突設している。この突部は先端部上下に凹部10を形成している。また、円柱状突部９上方の前筒内の基板７には射出筒内と連通する液流通用の透孔11を設けている。
【００１２】
噴出ヘッド本体２は、前筒８外周に回動可能に嵌合させた回動筒12を前板13裏面より突設するとともに、回動筒12内の前板13裏面より、円柱状突部９外周に摺動可能に嵌合させた摺動筒14を突設している。摺動筒14の後部内面上下には液流通用の凹溝15を設けるとともに、前板13の中央には摺動筒14と連通する噴出口16を設け、この凹溝15と円柱状突部９の凹部10とが連通状態で射出筒と噴出口16とを連通させ、噴出ヘッド本体２を所定角度回動させて凹溝15と凹部10とを非連通とすることにより、射出筒５と噴出口16とを非連通とする如く構成している。また、前板13裏面から連結部材４の前筒８内周に摺動可能に密嵌するシール筒17を突設してこの部分からの液の漏出を防止する如く構成している。更に、前板13の全面より前方へ嵌合筒18を突設している。
【００１３】
流路分岐部材３は、第１部材3A及び第２部材3Bとから構成している。第１部材3Aは、嵌合筒18内に外筒19を嵌合させて噴出ヘッド本体２に固定しており、外筒19外周に周設した突条を嵌合筒18内面に周設した凹溝に強制的に嵌合させて前方への抜け出しを防止している。また、外筒19内面前部より周方向複数突設した連結片20を介して、後部を円錐板状に閉塞した内筒21を、外筒19中央に一体に支持している。
【００１４】
第２部材3Bは、各連結片20を前端の切溝22にそれぞれ嵌合させて外筒19及び内筒21間に周壁23前端部を嵌合させており、周壁23外周後端部に突設した係止突条を外筒19内面に凹設した係止凹溝に係合させて第１部材3Aに嵌着固定している。また、周壁23内面より内筒21と隙間をあけて延設したテーパ壁24の後端開口を噴出ヘッド本体２の噴出口16に連通させている。図示例では、噴出口16周囲の前板13前面と、テーパ壁24の後端面とを環状のパッキンを介して密接して噴出口16とテーパ壁24内とを連通させている。更に、周壁23内側先端部に噴出ヘッドＡの噴出口16と外部とを連通させる連通溝25を周方向多数設けて、その先端を分岐噴出口ａとしてそれぞれ開口している。
【００１５】
図１の実施例では、射出筒５内から噴出された液は透孔11、凹溝15，凹部10、噴出口16を介してテーパ壁24と円錐板状に閉塞した内筒21後部との間の隙間から各連通溝25を通り各分岐噴出口ａから環状に噴出される。
【００１６】
【発明の効果】
以上説明した如く本発明の噴出ヘッドは、既述構成としたことにより、高粘度の液を噴出する場合でも充分広範囲に拡散して噴出することができ、また、環状に点在塗布することもできるため、塗布後の広範囲な引き延ばしも容易に行える。
【００１７】
また、第２の手段の噴出ヘッドでは、円錐板状に閉塞する内筒後部とテーパ壁とで、本体の噴出口から噴出する液を円滑に各連通溝に供給でき、各分岐噴出口からの均一な液の噴出を行えるものである。更に、第１部材及び第２部材を嵌着固定したものを噴出ヘッド本体前面に固定するだけで形成できるため製造も容易に行える利点を兼ね備えている。
【図面の簡単な説明】
【図１】本発明の一実施例を示す縦断面図である。
【図２】同実施例の正面図である。
【符号の説明】
２…噴出ヘッド本体，３…流路分岐部材，3A…第１部材，3B…第２部材，
16…噴出口，18…嵌合筒，19…外筒，20…連結片，21…内筒，24…テーパ壁，
25…連通溝，ａ…分岐噴出口，Ａ…噴出ヘッド[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an ejection head, and more particularly, to an ejection head provided at an ejection port portion of a liquid ejection pump such as a press-down head pump or a trigger pump.
[0002]
[Prior art]
A push-down head type pump configured to suck up the liquid in the mounted container body by moving the push-down head up and down and eject it from the ejection port, or to eject the liquid in the mounted container body from the ejection port by pulling the trigger There are known trigger type pumps, but the jet outlets of these pumps are fitted, for example, at the tip opening of a cylindrical nozzle that protrudes forward from the front surface of the pressing head in the former, or at the tip of the injection cylinder in the latter A jet outlet opening in the center of the front face of the jet head is a common form.
[0003]
This type of conventional pump is constructed so that the liquid is ejected in a rod shape from the ejection port, or is ejected in a mist shape with a built-in spin mechanism. In the case of handling a high-viscosity liquid having a low viscosity, the conventional bar-type jet type liquid is difficult to diffuse and the coating area is small. The spray type is generally suitable for a wide range of application, but is difficult to diffuse in the case of a highly viscous liquid. Furthermore, some liquids are desired to be applied in a wide range but are not preferred to be sprayed in a mist.
[0004]
[Problems to be solved by the invention]
The present invention has been made in view of such a point, and even if a highly viscous liquid is ejected, the liquid can be sufficiently diffused and ejected, and a liquid that is not preferably ejected in a mist form is ejected over a wide range. Therefore, the present invention proposes an excellent ejection head that is suitable for spraying and can be sprayed with a spray liquid.
[0005]
Further, the present invention proposes an ejection head that has an extremely simple structure, is easy to assemble and manufacture, and can eject liquid evenly from each branch ejection port.
[0006]
[Means for Solving the Problems]
The first means is configured as follows. That is, it is an ejection head provided at an ejection port portion of a pump that ejects liquid, and is configured by opening a number of branch ejection ports a at an annular position on the front surface.
[0007]
The second means is configured as follows. That is, the In the first means, the number of branches spout a is a branched spout a which is open in front of the injection head main body 2 flow path branching member 3 fixed to the front, the flow path dividing member 3 However, the outer cylinder 19 is fitted in the fitting cylinder 18 projecting from the front surface of the ejection head main body 2 and the rear part is conical plate through a plurality of connecting pieces 20 projecting in the circumferential direction from the front surface of the inner surface of the outer cylinder 19. The inner cylinder 21 closed in a shape is supported at the center of the outer cylinder 19 , and each connecting piece 20 is fitted in the groove 22 at the front end so that the peripheral wall is between the outer cylinder 19 and the inner cylinder 21. 23 The front part is fitted, and the rear end opening of the taper wall 24 extending from the inner surface of the peripheral wall 23 with a gap is communicated with the outlet 16 of the ejection head body 2 and the inner end of the peripheral wall 23 The second member 3B is provided with a plurality of communication grooves 25 in the circumferential direction, each of which has a plurality of communication grooves 25 for communicating the jet port 16 with the outside, and each of which has a branch jet port a. Ru flow path branching member 3 der that form.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0009]
The drawing shows an embodiment of the present invention, and A in the drawing shows an ejection head. The head is used by being attached to a container body, and is provided at a jet outlet portion of a pump that sucks up and ejects the liquid in the container body, and opens a number of branch outlets a in an annular position on the front surface. ing. Examples of the pump provided with the ejection head include known types such as a press-down head type pump and a trigger type pump. In particular, a back suction type or residual pressure removal formed for the purpose of preventing liquid dripping from the tip of the ejection port. It is preferable to apply to the pressure accumulation type to be performed. The ejecting head is fixed to the tip of the nozzle protruding from the pressing head in the case of a pressing head type pump, and to the tip of the injection cylinder in the case of a trigger type pump.
[0010]
Further, the ejection head A in the illustrated example includes the ejection head main body 2 and the flow path branching member 3, and is fitted and fixed to the tip of the injection cylinder 5 of the trigger type pump via the connecting member 4.
[0011]
The connecting member 4 has a rear tube 6 fitted to the outer peripheral tip of the injection tube 5 protruding from the back surface of the substrate 7 and a front tube 8 protruding from the front surface of the substrate 7, and an opening / closing mechanism is formed at the center thereof. A columnar projection 9 is projected. This protrusion forms a recess 10 at the top and bottom of the tip. The substrate 7 in the front cylinder above the cylindrical protrusion 9 is provided with a liquid circulation through hole 11 communicating with the inside of the injection cylinder.
[0012]
The ejection head body 2 protrudes from the back surface of the front plate 13 with a rotating tube 12 fitted to the outer periphery of the front tube 8 so as to be rotatable, and from the back surface of the front plate 13 in the rotating tube 12 A sliding cylinder 14 is slidably fitted on the outer periphery of 9. A concave groove 15 for flowing liquid is provided above and below the inner surface of the rear portion of the sliding cylinder 14, and an outlet 16 communicating with the sliding cylinder 14 is provided at the center of the front plate 13. 9 is in communication with the injection cylinder 5 and the ejection port 16, and the ejection head body 2 is rotated by a predetermined angle so that the concave groove 15 and the depression 10 are not in communication with each other. The jet outlet 16 is configured not to communicate. Further, a seal cylinder 17 is slidably fitted from the rear surface of the front plate 13 to the inner periphery of the front cylinder 8 of the connecting member 4 so as to prevent leakage of liquid from this portion. Further, a fitting cylinder 18 is projected forward from the entire surface of the front plate 13.
[0013]
The flow path branch member 3 includes a first member 3A and a second member 3B. The first member 3A has the outer cylinder 19 fitted in the fitting cylinder 18 and fixed to the ejection head main body 2, and a protrusion provided around the outer circumference of the outer cylinder 19 is provided on the inner surface of the fitting cylinder 18. It is forcibly fitted in the groove to prevent it from slipping forward. Further, an inner cylinder 21 whose rear portion is closed in a conical plate shape is integrally supported at the center of the outer cylinder 19 through a plurality of connecting pieces 20 protruding in the circumferential direction from the front surface of the inner surface of the outer cylinder 19.
[0014]
In the second member 3B, each connecting piece 20 is fitted in the notch 22 at the front end, and the front end portion of the peripheral wall 23 is fitted between the outer cylinder 19 and the inner cylinder 21, and the second wall 3B protrudes from the outer peripheral rear end portion of the peripheral wall 23. The provided locking protrusion is engaged with and locked to the first member 3A by engaging with a locking groove formed in the inner surface of the outer cylinder 19. Further, the rear end opening of the tapered wall 24 extending from the inner surface of the peripheral wall 23 with a gap is communicated with the ejection port 16 of the ejection head body 2. In the illustrated example, the front surface of the front plate 13 around the spout 16 and the rear end surface of the tapered wall 24 are in close contact with each other via an annular packing so that the spout 16 and the inside of the tapered wall 24 are communicated. Further, a number of communication grooves 25 for communicating the jet outlet 16 of the jet head A and the outside are provided in the circumferential wall 23 at the front end portion thereof in the circumferential direction, and the front ends thereof are opened as branch jet outlets a.
[0015]
In the embodiment of FIG. 1, the liquid ejected from the inside of the injection cylinder 5 is formed between the tapered wall 24 and the rear part of the inner cylinder 21 closed like a conical plate via the through hole 11, the concave groove 15, the concave part 10, and the jet outlet 16. From each gap, it passes through each communication groove 25 and is ejected in an annular shape from each branch outlet a.
[0016]
【The invention's effect】
As described above, the ejection head according to the present invention is configured as described above, so that even when a highly viscous liquid is ejected, the ejection head can be diffused and ejected over a sufficiently wide range. Therefore, it can be easily extended over a wide range after application.
[0017]
Further, in the ejection head of the second means , the liquid ejected from the ejection port of the main body can be smoothly supplied to each communication groove by the rear portion of the inner cylinder closed in a conical plate shape and the tapered wall. A uniform liquid can be ejected. Furthermore, since it can be formed simply by fixing the first member and the second member that are fitted and fixed to the front surface of the ejection head main body, it also has the advantage of being easy to manufacture.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention.
FIG. 2 is a front view of the same embodiment.
[Explanation of symbols]
2 ... ejecting head body, 3 ... flow path branching member, 3A ... first member, 3B ... second member,
16 ... Outlet, 18 ... Fitting cylinder, 19 ... Outer cylinder, 20 ... Connecting piece, 21 ... Inner cylinder, 24 ... Tapered wall,
25 ... Communication groove, a ... Branch outlet, A ... Ejecting head

Claims (1)

液体を噴出するポンプの噴出口部分に設けた噴出ヘッドであって、噴出ヘッド本体２前面に固定した流路分岐部材３前面の環状位置に多数の分岐噴出口ａを開口して構成してなり、流路分岐部材３は、噴出ヘッド本体２前面より突設した嵌合筒18内に外筒19を嵌合させるとともに、外筒19内面前部より周方向複数突設した連結片20を介して、後部を円錐板状に閉塞した内筒21を、外筒19中央に支持してなる第１部材3Aと、各連結片20を前端の切溝22にそれぞれ嵌合させて外筒19及び内筒21間に周壁23前部を嵌合させるとともに、周壁23内面より内筒21と隙間をあけて延設したテーパ壁24の後端開口を噴出ヘッド本体２の噴出口16に連通させ、且つ、周壁23内側先端部に噴出口16と外部とを連通させる連通溝25を周方向多数設けてその先端をそれぞれ分岐噴出口ａとした第２部材3Bとで構成したことを特徴とする噴出ヘッド。  A jet head provided at a jet port portion of a pump that jets liquid, and is configured by opening a number of branch jet ports a at an annular position on the front surface of a flow path branching member 3 fixed to the front surface of the jet head body 2. The flow path branching member 3 has an outer cylinder 19 fitted in a fitting cylinder 18 projecting from the front surface of the ejection head body 2 and a plurality of connecting pieces 20 projecting in the circumferential direction from the front surface of the inner surface of the outer cylinder 19. The inner cylinder 21 whose rear portion is closed in a conical plate shape is supported by the center of the outer cylinder 19, and each connecting piece 20 is fitted into the groove 22 at the front end to fit the outer cylinder 19 and The front part of the peripheral wall 23 is fitted between the inner cylinders 21, and the rear end opening of the tapered wall 24 extending from the inner surface of the peripheral wall 23 with a gap is communicated with the outlet 16 of the ejection head body 2. In addition, a large number of communication grooves 25 are provided at the front end of the peripheral wall 23 to connect the jet outlet 16 and the outside, and the front ends thereof are branched jets. Jet head is characterized by being configured with a second member 3B that the mouth a.
JP2000171903A 2000-06-08 2000-06-08 Spout head Expired - Fee Related JP3957953B2 (en)

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JP7126432B2 (en) * 2018-11-30 2022-08-26 株式会社吉野工業所 trigger type liquid ejector

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