JP4153256B2

JP4153256B2 - Ejector lock mechanism and ejector

Info

Publication number: JP4153256B2
Application number: JP2002214293A
Authority: JP
Inventors: 聡目加多; 正晃関; 徹川上
Original assignee: Daizo Corp; Mitani Valve Co Ltd
Current assignee: Daizo Corp; Mitani Valve Co Ltd
Priority date: 2002-07-23
Filing date: 2002-07-23
Publication date: 2008-09-24
Anticipated expiration: 2022-07-23
Also published as: JP2004050130A

Description

【０００１】
【発明の属する技術分野】
この発明は、使用時に、トリガー式・ボタン式等の操作部材を噴射操作して、容器の口部に取り付ける、噴射バルブ装置・噴射ポンプ装置等の噴射装置を作動し、容器の内容物を、例えば操作部材に設ける噴口を通して外部へと噴射する、化粧用・消毒用・洗浄用・薬用・塗装用などの、エアゾール式やポンプ式の噴出器に関する。および、そのような噴出器において、操作部材の噴射操作をロックしたり、その噴射操作のロックを解除したりする噴出器用ロック機構に関する。
【０００２】
【従来の技術】
従来、例えばエアゾール式の噴出器では、容器の口部に噴射バルブ装置を取り付けて容器内に噴射剤とともに内容物を収納し、その噴射バルブ装置から突出するステムに、トリガー式・ボタン式・スパウト式等の操作部材を装着して構成する。そして、使用時は、操作部材を操作してステムを押し込み、噴射バルブ装置のバルブを開いて容器の内容物を噴射剤の圧力で噴射バルブ装置のステムから吐出し、操作部材の噴口から外部へと噴射していた。
【０００３】
【発明が解決しようとする課題】
しかし、この種の噴出器では、例えばバックに入れて携行するときなどに、誤って操作部材を作動してしまい、噴口から内容物を噴射してまわりを汚すことがある問題があった。
【０００４】
このような問題を解消すべく、不使用時には、操作部材を被うようにキャップカバーを被せるようにしたものもあるが、使用のたびごとにキャップカバーの取り外し取り付けを行わなければならず、面倒であり、またキャップカバーを紛失するなどの問題もあった。
【０００５】
従来の噴出器の中には、操作部材の噴射操作をロックするロック機構を備えるものもあるが、いずれも構造が複雑であったり、操作性が劣ったり、安定性を欠いたりする問題があった。
【０００６】
そこで、この発明の第１の目的は、構造が簡単で、操作性に優れ、安定性の高い噴出器用ロック機構を提供することにある。
【０００７】
この発明の第２の目的は、特にエアゾール式の噴出器で用いるロック機構において、そのような第１の目的を達成することにある。
【０００８】
この発明の第３の目的は、特にポンプ式の噴出器で用いるロック機構において、そのような第１の目的を達成することにある。
【０００９】
この発明の第４の目的は、そのような第１ないし第３の各目的を達成した噴出器用ロック機構を有する噴出器を提供することにある。
【００１０】
【課題を解決するための手段】
そのため、請求項１に記載の発明に係る噴出器用ロック機構は、上記第１の目的を達成すべく、
容器の口部に取り付ける噴射装置と、その噴射装置を作動して容器の内容物を外部に噴射する操作部材と、その操作部材を挿入する操作部材収納空間を形成して前記容器に取り付けるカバー部材と、そのカバー部材で回動自在に支持するロック部材とからなり、
前記ロック部材に、前記カバー部材で回動自在に支持する軸部と、その軸部に設けるカム部と、前記軸部を回動操作してそのカム部を、前記操作部材に係合してその操作部材の噴射操作をロックするロック位置とし、または前記操作部材との係合を解除してその操作部材の噴射操作のロックを解除するロック解除位置とするつまみ部とを設け、
そのつまみ部を前記カバー部材の外に備え、前記軸部を前記操作部材収納空間を横切って備える、ことを特徴とする。
【００１３】
請求項２に記載の発明は、上記第１の目的を達成すべく、請求項１に記載の噴出器用ロック機構において、操作部材としてトリガー式のものを備える、ことを特徴とする。
【００１４】
請求項３に記載の発明は、上記第１の目的を達成すべく、請求項１に記載の噴出器用ロック機構において、操作部材としてボタン式のものを備える、ことを特徴とする。
【００１７】
請求項４に記載の発明は、上記第２の目的を達成すべく、請求項１ないし３のいずれかに記載の噴出器用ロック機構において、噴射装置として、容器の内容物をバルブを開いて噴射剤の圧力で噴射する噴射バルブ装置を備える、ことを特徴とする。
【００２１】
請求項５に記載の発明は、上記第４の目的を達成すべく、噴出器において、請求項１ないし４のいずれかに記載の噴出器用ロック機構を備える、ことを特徴とする。
【００２２】
【発明の実施の形態】
以下、図面を参照しつつ、この発明の実施の形態につき説明する。
図１には、この発明によるロック機構を備えるトリガー式エアゾール噴出器を示す。
【００２３】
図中符号Ａは、容器である。容器Ａは、例えばアルミニウムやブリキなどを用いてボトル形状につくり、その口部（バルブ装着部）に、図２に示す噴射バルブ装置（噴射装置）Ｂを取り付ける。そして、内部に、噴射剤とともに、化粧用・消毒用・洗浄用・薬用・塗装用などの内容物を収納する。
【００２４】
図2に示すように、噴射バルブ装置Ｂには、中段に段部１１を有する縦筒状のハウジング１０を備える。ハウジング１０には、段部１１の上に大径部１２を、下に小径部１３を設け、それらの大径部１２内と小径部１３内とを連通する連通孔１１ａを段部１１にあける。
【００２５】
小径部１３には、パイプ１６の上端部を圧入する。パイプ１６は、この噴射バルブ装置Ｂを容器Ａの口部に取り付けたとき、容器Ａの底部へと向けてのばす。そして、噴射剤の圧力で内容物を押し上げ、そのパイプ１６内を通して連通孔１１ａから大径部１２内へと入れる。
【００２６】
大径部１２は、内周面に複数の縦溝１２ａを有し、内部に段部１１上に載せてコイルスプリング２０を設ける。そして、そのコイルスプリング２０上にステム２２を乗せる。ステム２２には、下部にヘッド部２３を設け、そのヘッド部２３の上に首部２４を設け、上端部に操作部材取付部２５を設ける。
【００２７】
首部２４には、外周面から中心へと径方向に貫通する貫通孔２４ａをあける。操作部材取付部２５には、中心に吐出通路２５ａをあけ、貫通孔２４ａと連通している。
【００２８】
そして、首部２４に、弾性部材である環板状のステムラバー２７を取り付け、ヘッド部２３を大径部１２内に入れてコイルスプリング２０上に乗せる。これにより、縦溝１２ａとともに、大径部１２の内周面とヘッド部２３の外周面との隙間で内容物吐出通路２８を形成して、ステム２２をハウジング１０内に出し入れ自在に収納し、ステムラバー２７を大径部１２上にはめ付ける。
【００２９】
その後、マウンテンキャップ３０の中心孔３０ａにステム２２を通し、ステムラバー２７を圧縮するとともに、ハウジング１０の上部に抱き付かせ、マウンテンキャップ３０を取り付ける。マウンテンキャップ３０は、外周縁に、逆Ｕ字型に湾曲する巻き締め部３０ｂを形成し、その巻き締め部３０ｂを容器Ａの口部周縁にガスケットラバー３１を介して後述の図８に示すようにクリンプして巻き締め、容器Ａにこの噴射バルブ装置Ｂを取り付ける。
【００３０】
さて、噴射バルブ装置Ｂを取り付けた容器Ａ上には、図１に示すように、カバー部材Ｃを取り付ける。カバー部材Ｃは、図３に示すように、スカート形状をなし、その中央を頂部から下方まで大きく切り欠いて操作部材収納空間４０を形成する。また、その裾部の内面には、内向きの突条４１を周方向にのばし、間隔をあけて複数設ける。
【００３１】
さらに、操作部材収納空間４０の片側寄りの下方には、その操作部材収納空間４０を挟むように対向して左右に、図４に示すような係合溝４２を各々下向きに形成する。係合溝４２には、入口に、下向きに漸次拡幅となるテーパ４２ａを設ける。また、操作部材収納空間４０の他側寄りには、同じく操作部材収納空間４０を挟むように対向して、図３に示すように一方に丸型の比較的大きな係合孔４３を、他方に小さな軸穴４４を設ける。
【００３２】
そして、操作部材収納空間４０には、図１に示すように、トリガー式操作部材Ｄを挿入する。操作部材Ｄは、図５に示すように、おたまじゃくし型の頂部５０の頭部中心から下向きに円筒部５１をのばすとともに、前面から下向きに円弧面部５２をのばす。そして、円弧面部５２には、ノズル部材５３を圧入して噴口５４を形成するとともに、下部にコ字状の軸支持部５５を設けてその両側から係合軸５６を左右に突出して形成する。頂部５０の後方からは、下向きにレバー部５７を若干湾曲してのばす。
【００３３】
操作部材収納空間４０内に入れたトリガー式操作部材Ｄは、係合軸５６をテーパ４２ａで案内して係合溝４２内に余裕なく挿入し、カバー部材Ｃに回動自在に取り付ける。
【００３４】
カバー部材Ｃの係合孔４３には、図１に示すように、ロック部材Ｅを挿入する。ロック部材Ｅは、例えば図６に示すように、軸部６０と、その軸部６０の両端に設ける半円筒形状の２つのカム部６１と、軸部６０の一端側から軸方向に突出して設ける支軸６２と、円周溝６３を設けて軸部６０の他端側に設ける円形係合部６４と、その円形係合部６４の接線方向にのばして設けるつまみ部６５とで構成する。
【００３５】
そして、支軸６２側から係合孔４３に通して操作部材収納空間４０を横切り、支軸６２を軸穴４４に入れ、円形係合部６４を係合孔４３に押し込んでその係合孔４３の孔縁を円周溝６３にはめ込んで抜け止めし、カバー部材Ｃで軸部６０を回動自在に支持するとともに、カム部６１を操作部材Ｄと係合する。
【００３６】
これにより、図１に示すように、つまみ部６５を水平に保持したときは、半円状のカム部６１を図７（Ａ）に示すロック位置とし、操作部材Ｄの図中矢示方向への回動を阻止して操作部材Ｄの噴射操作を不能とし、垂直に保持したときは、半円状のカム部６１を図７（Ｂ）に示すロック解除位置とし、操作部材Ｄの回動阻止を解除して噴射操作を可能とする。
【００３７】
この図示例の噴出器では、図７（Ｂ）に示すロック解除位置からつまみ部６５を倒して図７（Ａ）に示すロック位置とすると、カム部６１の一部が操作部材Ｄの段部５８に当たり、カム部６１がロック位置となったことを使用者に知らしめるとともに、ロック部材Ｅのそれ以上の回動を阻止している。
【００３８】
なお、図７（Ａ）および（Ｂ）において、符号７０は円筒部５１内の入口に形成するステム嵌合穴、７１はそのステム嵌合穴７０に続けて円筒部５１内に形成する噴出路、７２はその噴出路７１と噴口５４とを連通する連通路である。
【００３９】
そして、以上のようにして操作部材Ｄとロック部材Ｅを組付けたカバー部材Ｃは、上から押し付け、図８に示すように、突条４１を巻き締め部３０ｂに掛け止め、カバー部材Ｃ内面の縦リブ４５を巻き締め部３０ｂに押し当ててカバー部材Ｃを容器Ａに取り付ける。このとき、操作部材Ｄの円筒部５１のステム嵌合穴７０内に、容器Ａの口部に設ける噴射バルブ装置Ｂのステム２２をはめ付ける。
【００４０】
さていま、このトリガー式エアゾール噴出器を使用するときは、まず、つまみ部６５を垂直にして軸部６０を回動操作し、カム部６１を図７（Ｂ）に示すロック解除位置として操作部材Ｄの回動阻止を解除する。そして、容器Ａを手で持って操作部材Ｄのレバー部５７に指を当て、レバー部５７を図１中矢示方向に押す。
【００４１】
すると、支軸５６を中心として操作部材Ｄが回動し、コイルスプリング２０に抗してステム２２を押し込み、ステムラバー２７を弾性変形して貫通孔２４ａを開き、容器Ａ内の内容物を噴射剤の圧力により押し上げ、パイプ１６内を通して連通孔１１ａから大径部１２内へと入れる。次いで、内容物吐出通路２８を通して貫通孔２４ａからステム２２の吐出通路２５ａに導き、ステム２２内を通して操作部材Ｄの噴出路７１に入れ、連通路７２を通して噴口５４から外部に向けて噴射する。
【００４２】
使用を止めるときは、操作部材Ｄから手を離してレバー部５７の押し込みを解除し、コイルスプリング２０でステム２２を押し上げてステムラバー２７の変形を戻し、貫通孔２４ａを塞いで噴口５４からの噴射を停止する。そして、つまみ部６５を水平にして軸部６０を回動操作し、カム部６１を図７（Ａ）に示すロック位置として操作部材Ｄの回動を阻止する。
【００４３】
なお、上述した例では、図７（Ａ）に示すように、トリガー式操作部材Ｄの本体部をカム部６１に当てて操作部材Ｄの回動を阻止し、噴射操作をロックした。しかし、例えば図９（Ａ）に示すように、容器Ａに取り付けるカバー部材Ｃでロック部材Ｅの軸部６０を回動自在に支持し、図９（Ｂ）に示すようにそのロック部材Ｅのカム部６１にトリガー式操作部材Ｄのレバー部５７を当てて操作部材Ｄの回動を阻止し、噴射操作をロックするようにしてもよい。
【００４４】
また、上述した例では、トリガー式操作部材Ｄを有する噴出器において、操作部材Ｄの回動を阻止して噴射操作をロックした。しかし、例えば図１０に示すように、ボタン式操作部材Ｄを有する噴出器において、カバー部材Ｃでロック部材Ｅの軸部６０を回動自在に支持するとともに、そのロック部材Ｅのカム部６１に、ボタン式操作部材Ｄを当ててその操作部材Ｄの動きを規制し、噴射操作をロックするようにしてもよい。
【００４５】
この場合、ボタン式操作部材Ｄとしては、例えば図１１（Ａ）に示すように上下動するタイプのものや、（Ｂ）に示すようにステム２２を中心としてシーソー状に揺動するタイプのものや、（Ｃ）に示すように支点７５を中心として回動するタイプのものなどがある。
【００４６】
２以上の内容物を混合して噴射するタイプの噴出器にももちろん同様に適用することができ、その場合には、例えば図１２（Ａ）に示すようにカバー部材Ｃでロック部材Ｅの軸部６０を回動自在に支持するとともに、図１２（Ｂ）に示すようにそのロック部材Ｅのカム部６１に噴射部材７６を当てて、トリガー式操作部材Ｄの作動を阻止し、噴射操作をロックするようにしてもよい。
【００４７】
また、例えば図１３（Ａ）に示すようにカバー部材Ｃでロック部材Ｅの軸部６０を回動自在に支持するとともに、図１３（Ｂ）に示すようにそのロック部材Ｅのカム部６１にボタン式操作部材Ｄを当てて、ボタン式操作部材Ｄの作動を阻止し、噴射操作をロックするようにしてもよい。
【００４８】
さて、上述した例では、すべてカバー部材Ｃでロック部材Ｅの軸部６０を回動自在に支持した。しかし、例えば図１４（Ａ）に示すように操作部材Ｄとしてスパウト式のものを用い、そのスパウト式操作部材Ｄでロック部材Ｅの軸部６０を回動自在に支持するとともに、図１４（Ｂ）に示すようにそのロック部材Ｅのカム部６１を、容器Ａに取り付けるカバー部材Ｃに係合し、操作部材Ｄの回動を阻止し、噴射操作をロックするようにしてもよい。
【００４９】
さらに、図１５（Ａ）および（Ｂ）に示すように、操作部材Ｄとしてボタン式のものを備え、そのボタン式操作部材Ｄでロック部材Ｅの軸部６０を回動自在に支持するとともに、そのロック部材Ｅのカム部６１を噴射装置に係合し、操作部材Ｄの動きを規制して噴射操作をロックするようにしてもよい。
【００５０】
ところで、上述した説明では、いわゆるエアゾール式噴出器に適用した場合を主に説明した。しかし、この発明は、いわゆるポンプ式噴出器にも、同様に適用することができる。例えば図１６（Ａ）に示すように、噴射装置として、容器の内容物をポンプで汲み上げて噴射する噴射ポンプ装置Ｆを備え、その噴射ポンプ装置Ｆでロック部材Ｅの軸部を回動自在に支持するとともに、図１６（Ｂ）に示すように、そのロック部材Ｅのカム部６１をトリガー式操作部材Ｄに係合し、操作部材Ｄの動きを規制して噴射操作をロックするようにしてもよい。
【００５１】
また、このようなポンプ式噴出器に適用した場合にも、例えば図１７（Ａ）および（Ｂ）に示すように、トリガー式操作部材Ｄに代えてボタン式操作部材Ｄを備え、噴射ポンプ装置Ｆで支持するロック部材Ｅのカム部６１をボタン式操作部材Ｄに係合し、ボタン式操作部材Ｄの動きを規制して噴射操作をロックするようにしてもよい。図１７（Ａ）は使用時、（Ｂ）は噴射操作のロック時を示す。
【００５２】
【発明の効果】
以上説明したとおり、請求項１ないし４に記載の発明によれば、余分にロック部材を設けるだけでよいので、構造が簡単であり、そのロック部材のつまみ部を持って軸部を回動操作し、カム部をロック位置またはロック解除位置とするだけでよいので、操作性に優れ、ロック部材を軸状とするので、操作部材から力を受けても破損するおそれがなく安定性の高い噴出器用ロック機構を提供することができる。
【００５３】
請求項４に記載の発明によれば、特にエアゾール式の噴出器で用いるロック機構において、そのような効果を達成することができる。
【００５５】
請求項５に記載の発明によれば、請求項１ないし４のいずれかに記載の噴出器用ロック機構を備えるので、上記効果を有する噴出器用ロック機構を備えた噴出器を提供することができる。
【図面の簡単な説明】
【図１】この発明に係るロック機構を備えたトリガー式エアゾール噴出器の要部斜視図である。
【図２】その噴出器の口部に取り付ける噴射バルブ装置の縦断面図である。
【図３】図１の噴出器に備えるカバー部材の斜視図である。
【図４】そのカバー部材に設ける係合溝部分の拡大斜視図である。
【図５】図１の噴出器に備えるトリガー式操作部材の斜視図である。
【図６】図１の噴出器に備えるロック部材の斜視図である。
【図７】トリガー式操作部材とロック部材のカム部との位置関係を示す図で、（Ａ）はカム部がロック位置にあるとき、（Ｂ）はロック解除位置にあるときを示す。
【図８】図１の噴出器で、容器にカバー部材およびトリガー式操作部材をはめ付けた状態を示す部分図である。
【図９】他例の噴出器用ロック機構を示し、（Ａ）は噴出器の部分側面図、（Ｂ）は断面図である。
【図１０】さらに他例の噴出器用ロック機構を示す噴出器の部分斜視図である。
【図１１】（Ａ）ないし（Ｃ）はそれぞれその噴出器で用いるボタン式操作部材の縦断面図である。
【図１２】（Ａ）はまたさらに他例の噴出器用ロック機構を示す噴出器の部分斜視図であり、（Ｂ）はその縦断面図である。
【図１３】（Ａ）はさらにまた他例の噴出器用ロック機構を示す噴出器の部分斜視図であり、（Ｂ）はその縦断面図である。
【図１４】（Ａ）はさらにまた他例の噴出器用ロック機構を示す噴出器の部分斜視図であり、（Ｂ）はその縦断面図である。
【図１５】（Ａ）はさらにまた他例の噴出器用ロック機構を示す噴出器の部分側面図であり、（Ｂ）はその斜視図である。
【図１６】ポンプ式噴出器の噴出器用ロック機構を示す側面図で、（Ａ）はロック解除状態、（Ｂ）はロック状態を示す。
【図１７】ポンプ式噴出器の他例の噴出器用ロック機構を示す側面図で、（Ａ）はロック解除状態、（Ｂ）はロック状態を示す。
【符号の説明】
Ａ容器
Ｂ噴射バルブ装置（噴射装置）
Ｃカバー部材
Ｄ操作部材
Ｅロック部材
Ｆ噴射ポンプ装置（噴射装置）
４０操作部材収納空間
６０ロック部材の軸部
６１ロック部材のカム部
６５ロック部材のつまみ部[0001]
BACKGROUND OF THE INVENTION
This invention, when in use, by operating the injection device such as an injection valve device and an injection pump device, which is attached to the mouth of the container by injecting the operation member such as a trigger type and a button type, and operating the contents of the container, For example, the present invention relates to an aerosol-type or pump-type ejector for cosmetics, disinfection, cleaning, medicinal use, painting, and the like that is ejected to the outside through a nozzle provided in an operation member. The present invention also relates to an ejector lock mechanism that locks the ejection operation of the operating member and releases the lock of the ejection operation in such an ejector.
[0002]
[Prior art]
Conventionally, for example, in an aerosol type ejector, an injection valve device is attached to the mouth of a container, the contents together with the propellant are stored in the container, and a trigger type, button type, spout is placed on a stem protruding from the injection valve device. An operation member such as a formula is mounted. When in use, the operating member is operated to push the stem, the valve of the injection valve device is opened, the contents of the container are discharged from the stem of the injection valve device with the pressure of the propellant, and from the injection port of the operating member to the outside I was spraying.
[0003]
[Problems to be solved by the invention]
However, this type of ejector has a problem that, for example, when it is carried in a bag, the operation member is erroneously actuated, and the contents are ejected from the nozzle and the surroundings are stained.
[0004]
In order to solve such problems, some cap covers are placed so as to cover the operation member when not in use. However, the cap cover must be removed and attached each time it is used. In addition, there was a problem that the cap cover was lost.
[0005]
Some conventional ejectors have a lock mechanism that locks the injection operation of the operating member, but all have problems such as a complicated structure, poor operability, and lack of stability. It was.
[0006]
Accordingly, a first object of the present invention is to provide an ejector lock mechanism that has a simple structure, excellent operability, and high stability.
[0007]
A second object of the present invention is to achieve such a first object, particularly in a lock mechanism used in an aerosol type ejector.
[0008]
A third object of the present invention is to achieve such a first object particularly in a lock mechanism used in a pump-type ejector.
[0009]
A fourth object of the present invention is to provide an ejector having an ejector lock mechanism that achieves the first to third objects.
[0010]
[Means for Solving the Problems]
Therefore, the ejector lock mechanism according to the invention described in claim 1 is to achieve the first object.
An injection device attached to the mouth of the container, an operation member that operates the injection device to inject the contents of the container to the outside, and a cover member that forms an operation member storage space into which the operation member is inserted and is attached to the container And a lock member rotatably supported by the cover member,
A shaft portion rotatably supported by the cover member on the lock member, a cam portion provided on the shaft portion, and a rotation operation of the shaft portion to engage the cam portion with the operation member. A lock portion for locking the injection operation of the operation member, or a knob portion for releasing the engagement with the operation member and unlocking the injection operation of the operation member;
The knob portion is provided outside the cover member, and the shaft portion is provided across the operation member storage space .
[0013]
The invention described in claim 2 is characterized in that, in order to achieve the first object, the ejector lock mechanism according to claim 1 is provided with a trigger type operating member.
[0014]
The invention described in claim 3 is characterized in that, in order to achieve the first object, the ejector lock mechanism according to claim 1 is provided with a button type operation member.
[0017]
According to a fourth aspect of the present invention, in order to achieve the second object, in the ejector lock mechanism according to any one of the first to third aspects, as the injection device, the contents of the container are injected by opening the valve. It has an injection valve device which injects with the pressure of an agent.
[0021]
According to a fifth aspect of the present invention, in order to achieve the fourth object, the ejector includes the ejector lock mechanism according to any one of the first to fourth aspects.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a trigger type aerosol ejector equipped with a locking mechanism according to the present invention.
[0023]
Reference symbol A in the figure denotes a container. The container A is made into a bottle shape using, for example, aluminum or tinplate, and an injection valve device (injection device) B shown in FIG. 2 is attached to the mouth portion (valve mounting portion). Then, the contents for cosmetics, disinfecting, cleaning, medicinal, and painting are stored together with the propellant.
[0024]
As shown in FIG. 2, the injection valve device B includes a vertical cylindrical housing 10 having a step portion 11 in the middle. The housing 10 is provided with a large-diameter portion 12 on the step portion 11 and a small-diameter portion 13 below the step portion 11, and a communication hole 11 a that connects the inside of the large-diameter portion 12 and the inside of the small-diameter portion 13 is provided in the step portion 11. .
[0025]
The upper end portion of the pipe 16 is press-fitted into the small diameter portion 13. The pipe 16 extends toward the bottom of the container A when the injection valve device B is attached to the mouth of the container A. Then, the content is pushed up by the pressure of the propellant and is inserted into the large diameter portion 12 from the communication hole 11 a through the pipe 16.
[0026]
The large-diameter portion 12 has a plurality of vertical grooves 12 a on the inner peripheral surface, and is provided on the step portion 11 to provide a coil spring 20. Then, the stem 22 is placed on the coil spring 20. The stem 22 is provided with a head portion 23 at a lower portion, a neck portion 24 is provided on the head portion 23, and an operation member attaching portion 25 is provided at an upper end portion.
[0027]
The neck portion 24 is provided with a through hole 24a penetrating radially from the outer peripheral surface to the center. The operation member mounting portion 25 has a discharge passage 25a at the center and communicates with the through hole 24a.
[0028]
Then, an annular plate-like stem rubber 27 as an elastic member is attached to the neck portion 24, and the head portion 23 is placed in the large diameter portion 12 and placed on the coil spring 20. Thus, together with the longitudinal groove 12a, the contents discharge passage 28 is formed by the gap between the inner peripheral surface of the large diameter portion 12 and the outer peripheral surface of the head portion 23, and the stem 22 is stored in the housing 10 so as to be freely inserted and removed. The stem rubber 27 is fitted onto the large diameter portion 12.
[0029]
Thereafter, the stem 22 is passed through the central hole 30a of the mountain cap 30 to compress the stem rubber 27 and to be hung on the upper portion of the housing 10, and the mountain cap 30 is attached. As shown in FIG. 8 described later, the mountain cap 30 has a tightening portion 30b that is curved in an inverted U shape on the outer peripheral edge, and the tightening portion 30b is formed on the peripheral edge of the mouth of the container A via a gasket rubber 31. The injection valve device B is attached to the container A.
[0030]
Now, as shown in FIG. 1, the cover member C is attached on the container A to which the injection valve device B is attached. As shown in FIG. 3, the cover member C has a skirt shape, and the operation member storage space 40 is formed by cutting out the center of the cover member C from the top to the bottom. A plurality of inwardly extending ridges 41 are extended in the circumferential direction on the inner surface of the skirt and spaced apart.
[0031]
Further, on the lower side near the one side of the operation member storage space 40, engagement grooves 42 as shown in FIG. 4 are formed downward on the left and right sides so as to sandwich the operation member storage space 40. The engagement groove 42 is provided with a taper 42a that gradually widens downward at the entrance. Further, on the other side of the operation member storage space 40, facing the same so as to sandwich the operation member storage space 40, as shown in FIG. A small shaft hole 44 is provided.
[0032]
Then, the trigger type operation member D is inserted into the operation member storage space 40 as shown in FIG. As shown in FIG. 5, the operation member D extends the cylindrical portion 51 downward from the head center of the top portion 50 of the tadpole type and extends the arcuate surface portion 52 downward from the front surface. A nozzle member 53 is press-fitted into the circular arc surface portion 52 to form an injection hole 54, and a U-shaped shaft support portion 55 is provided at the lower portion, and an engagement shaft 56 is formed to project from the both sides to the left and right. From the rear of the top portion 50, the lever portion 57 is slightly bent downward.
[0033]
The trigger type operation member D placed in the operation member storage space 40 is inserted into the engagement groove 42 with sufficient margin by guiding the engagement shaft 56 with the taper 42a, and is attached to the cover member C so as to be rotatable.
[0034]
As shown in FIG. 1, the lock member E is inserted into the engagement hole 43 of the cover member C. For example, as shown in FIG. 6, the lock member E is provided so as to protrude in the axial direction from the shaft portion 60, two semi-cylindrical cam portions 61 provided at both ends of the shaft portion 60, and one end side of the shaft portion 60. The support shaft 62, a circular engagement portion 64 provided on the other end side of the shaft portion 60 with a circumferential groove 63, and a knob portion 65 provided extending in the tangential direction of the circular engagement portion 64 are configured.
[0035]
Then, it passes through the engagement hole 43 from the support shaft 62 side, traverses the operation member storage space 40, puts the support shaft 62 into the shaft hole 44, and pushes the circular engagement portion 64 into the engagement hole 43. The hole edge is fitted into the circumferential groove 63 to prevent it from coming off, and the shaft part 60 is rotatably supported by the cover member C, and the cam part 61 is engaged with the operation member D.
[0036]
Thereby, as shown in FIG. 1, when the knob portion 65 is held horizontally, the semicircular cam portion 61 is set to the lock position shown in FIG. 7A, and the operation member D is moved in the direction indicated by the arrow in the drawing. When the rotation of the operating member D is disabled and the injection operation of the operating member D is disabled and held vertically, the semicircular cam portion 61 is set to the unlocking position shown in FIG. Is released to enable the injection operation.
[0037]
In the ejector of this illustrated example, when the knob portion 65 is tilted from the unlocked position shown in FIG. 7B to the locked position shown in FIG. 58, the user is informed that the cam portion 61 has reached the lock position, and further prevents the lock member E from rotating further.
[0038]
7A and 7B, reference numeral 70 denotes a stem fitting hole formed at the inlet in the cylindrical portion 51, and 71 denotes an ejection passage formed in the cylindrical portion 51 following the stem fitting hole 70. , 72 is a communication passage that connects the ejection passage 71 and the ejection port 54.
[0039]
Then, the cover member C in which the operation member D and the lock member E are assembled as described above is pressed from above, and as shown in FIG. 8, the protrusion 41 is hooked on the winding portion 30b, and the inner surface of the cover member C is The vertical rib 45 is pressed against the winding portion 30b to attach the cover member C to the container A. At this time, the stem 22 of the injection valve device B provided at the mouth of the container A is fitted into the stem fitting hole 70 of the cylindrical portion 51 of the operation member D.
[0040]
Now, when using this trigger type aerosol ejector, first, the shaft portion 60 is rotated with the knob portion 65 vertical, and the cam portion 61 is set to the unlocking position shown in FIG. Release the rotation prevention of D. Then, the container A is held by hand, a finger is applied to the lever portion 57 of the operation member D, and the lever portion 57 is pushed in the direction indicated by the arrow in FIG.
[0041]
Then, the operation member D rotates around the support shaft 56, pushes the stem 22 against the coil spring 20, elastically deforms the stem rubber 27, opens the through hole 24a, and injects the contents in the container A. It is pushed up by the pressure of the agent and is inserted into the large diameter portion 12 from the communication hole 11 a through the pipe 16. Next, it is guided from the through hole 24 a to the discharge passage 25 a of the stem 22 through the content discharge passage 28, put into the ejection passage 71 of the operation member D through the stem 22, and ejected from the injection port 54 to the outside through the communication passage 72.
[0042]
When stopping the use, release the operating member D to release the pushing of the lever portion 57, push up the stem 22 with the coil spring 20 to return the deformation of the stem rubber 27, close the through hole 24a, and close the through hole 24a. Stop spraying. Then, the knob portion 65 is leveled and the shaft portion 60 is rotated, and the cam portion 61 is set to the lock position shown in FIG.
[0043]
In the above-described example, as shown in FIG. 7A, the main body portion of the trigger type operation member D is applied to the cam portion 61 to prevent the operation member D from rotating and the injection operation is locked. However, for example, as shown in FIG. 9A, the shaft member 60 of the lock member E is rotatably supported by the cover member C attached to the container A, and the lock member E of the lock member E is shown in FIG. The lever part 57 of the trigger type operation member D may be applied to the cam part 61 to prevent the operation member D from rotating, and the injection operation may be locked.
[0044]
Moreover, in the example mentioned above, in the ejector which has the trigger type operation member D, rotation of the operation member D was prevented and injection operation was locked. However, for example, as shown in FIG. 10, in the ejector having the button-type operation member D, the cover member C rotatably supports the shaft portion 60 of the lock member E, and the cam portion 61 of the lock member E Alternatively, the button-type operation member D may be applied to restrict the movement of the operation member D to lock the injection operation.
[0045]
In this case, as the button-type operation member D, for example, a type that moves up and down as shown in FIG. 11A, or a type that swings in a seesaw shape around the stem 22 as shown in FIG. In addition, there is a type that rotates around a fulcrum 75 as shown in FIG.
[0046]
Of course, the present invention can be similarly applied to an ejector of a type in which two or more contents are mixed and injected. In this case, for example, as shown in FIG. As shown in FIG. 12 (B), the injection member 76 is applied to the cam portion 61 of the lock member E to block the operation of the trigger type operation member D and perform the injection operation. You may make it lock.
[0047]
Further, for example, as shown in FIG. 13A, the shaft member 60 of the lock member E is rotatably supported by the cover member C, and at the cam portion 61 of the lock member E as shown in FIG. The button-type operation member D may be applied to block the operation of the button-type operation member D and lock the injection operation.
[0048]
In the example described above, the shaft portion 60 of the lock member E is supported by the cover member C so as to be rotatable. However, for example, as shown in FIG. 14 (A), a spout type operation member D is used, and the shaft portion 60 of the lock member E is rotatably supported by the spout type operation member D, and FIG. ), The cam portion 61 of the lock member E may be engaged with a cover member C attached to the container A to prevent the operation member D from rotating and to lock the injection operation.
[0049]
Further, as shown in FIGS. 15A and 15B, the operation member D includes a button type, and the button type operation member D rotatably supports the shaft portion 60 of the lock member E. The cam portion 61 of the lock member E may be engaged with the injection device, and the movement of the operation member D may be restricted to lock the injection operation.
[0050]
By the way, in the above-mentioned explanation, the case where it applied to what is called an aerosol type ejector was mainly explained. However, the present invention can be similarly applied to a so-called pump type ejector. For example, as shown in FIG. 16 (A), the injection device includes an injection pump device F that pumps and injects the contents of the container with a pump, and the injection pump device F allows the shaft portion of the lock member E to turn freely. As shown in FIG. 16B, the cam portion 61 of the lock member E is engaged with the trigger type operation member D, and the movement of the operation member D is restricted to lock the injection operation. Also good.
[0051]
In addition, when applied to such a pump-type ejector, for example, as shown in FIGS. 17A and 17B, a button-type operation member D is provided instead of the trigger-type operation member D, and an injection pump device is provided. The cam portion 61 of the lock member E supported by F may be engaged with the button type operation member D, and the movement of the button type operation member D may be regulated to lock the injection operation. FIG. 17 (A) shows when in use, and (B) shows when the injection operation is locked.
[0052]
【The invention's effect】
As described above, according to the first to fourth aspects of the present invention, since it is only necessary to provide an extra lock member, the structure is simple, and the shaft portion is rotated by holding the knob portion of the lock member. Since the cam portion only needs to be in the locked position or unlocked position, the operability is excellent, and the lock member has a shaft shape. A dexterous locking mechanism can be provided.
[0053]
According to the invention described in claim 4, especially in the locking mechanism to be used in aerosol-type sprayer, it is possible to achieve such effects.
[0055]
According to the invention of claim 5, since provided with ejection dexterity locking mechanism according to any of claims 1 to 4, it is possible to provide a ejector having a jet dexterity lock mechanism having the above effect.
[Brief description of the drawings]
FIG. 1 is a perspective view of an essential part of a trigger type aerosol ejector provided with a lock mechanism according to the present invention.
FIG. 2 is a longitudinal sectional view of an injection valve device attached to the mouth of the ejector.
3 is a perspective view of a cover member provided in the ejector of FIG. 1. FIG.
FIG. 4 is an enlarged perspective view of an engagement groove portion provided in the cover member.
FIG. 5 is a perspective view of a trigger type operating member provided in the ejector of FIG. 1;
6 is a perspective view of a lock member provided in the ejector of FIG. 1. FIG.
7A and 7B are views showing a positional relationship between the trigger type operation member and the cam portion of the lock member, where FIG. 7A shows the cam portion at the lock position, and FIG. 7B shows the lock position at the unlock position.
8 is a partial view showing a state in which the cover member and the trigger type operation member are fitted to the container in the ejector of FIG. 1. FIG.
9A and 9B show another example of the ejector locking mechanism, wherein FIG. 9A is a partial side view of the ejector, and FIG. 9B is a cross-sectional view.
FIG. 10 is a partial perspective view of an ejector showing a lock mechanism for an ejector according to still another example.
FIGS. 11A to 11C are longitudinal sectional views of button-type operating members used in the ejector, respectively.
FIG. 12A is a partial perspective view of an ejector showing still another example of the ejector lock mechanism, and FIG. 12B is a longitudinal sectional view thereof.
13A is a partial perspective view of an ejector showing still another example of the ejector lock mechanism, and FIG. 13B is a longitudinal sectional view thereof.
FIG. 14A is a partial perspective view of an ejector showing still another example of the ejector lock mechanism, and FIG. 14B is a longitudinal sectional view thereof.
15A is a partial side view of an ejector showing still another example of the ejector lock mechanism, and FIG. 15B is a perspective view thereof.
FIGS. 16A and 16B are side views showing an ejector lock mechanism of a pump-type ejector, where FIG. 16A shows an unlocked state and FIG. 16B shows a locked state;
FIGS. 17A and 17B are side views showing an ejector lock mechanism according to another example of the pump-type ejector, wherein FIG. 17A shows the unlocked state, and FIG. 17B shows the locked state.
[Explanation of symbols]
A Container B Injection valve device (Injection device)
C cover member D operation member E lock member F injection pump device (injection device)
40 Operating member storage space 60 Shaft portion 61 of locking member Cam portion 65 of locking member 65 Knob portion of locking member

Claims

An injection device attached to the mouth of the container, an operation member that operates the injection device to inject the contents of the container to the outside, and a cover member that forms an operation member storage space into which the operation member is inserted and is attached to the container And a lock member rotatably supported by the cover member,
A shaft portion rotatably supported by the cover member on the lock member, a cam portion provided on the shaft portion, and a rotation operation of the shaft portion to engage the cam portion with the operation member. A lock portion for locking the injection operation of the operation member, or a knob portion for releasing the engagement with the operation member and unlocking the injection operation of the operation member;
The knob portion is provided outside the cover member, and the shaft portion is provided across the operation member storage space.
An ejector lock mechanism characterized by that.

The ejector lock mechanism according to claim 1 , wherein the operation member includes a trigger type.

The ejector lock mechanism according to claim 1 , wherein the operation member includes a button type.

The ejector lock mechanism according to any one of claims 1 to 3 , further comprising an injection valve device that injects the contents of the container with the pressure of the propellant by opening the valve as the injection device.

An ejector comprising the ejector lock mechanism according to any one of claims 1 to 4 .