JP4235338B2

JP4235338B2 - Carbonated beverage extractor

Info

Publication number: JP4235338B2
Application number: JP2000065855A
Authority: JP
Inventors: 一朗文野
Original assignee: Nippon Tansan Gas Co Ltd
Current assignee: Nippon Tansan Gas Co Ltd
Priority date: 2000-03-10
Filing date: 2000-03-10
Publication date: 2009-03-11
Anticipated expiration: 2020-03-10
Also published as: JP2001253498A

Description

【０００１】
【発明の属する技術分野】
本発明は炭酸飲料抽出用減圧器にかかり、例えば内容積が１０cc程度の炭酸ガスカートリッジのガス圧を利用して容器内の炭酸飲料を、所謂ガス抜け作用を起こさせずに、外部へ抽出するような場合に、その抽出通路に介在させるものの改良に関する。
【０００２】
【従来の技術】
炭酸飲料抽出器は飲料抽出時の発泡を防ぐために、抽出路に抽出圧力を制御する減圧手段を設けるのが望ましい。
本件出願人は特願平１０−３３５２４３号で、図１０に示すような、ケースと中子を嵌合することによって発泡を防ぐ螺旋状の減圧用流体通路を形成する減圧器Ｒ’を有し、飲料抽出部７’とガス供給部８’から成る炭酸飲料抽出器６’を提案している。
前記の［従来の技術］によれば、螺旋状の流体通路の吸込口は中子の外周面に開口しているので、減圧器Ｒ’をサイホン管７３’に取り付けて容器７１’内に落とし込んだ場合、吸込口のレベルＬ’が容器の底壁上面から上方へ離れて位置することがある。底壁が球面となって上方へ湾曲している場合、その傾向が顕著となる。吸込口が底壁上面から上方に位置すると、そのレベル以下の炭酸飲料は抽出できず、容器内に残留して廃棄されるので、甚だ不経済である。
【０００３】
【発明が解決しようとする課題】
飲料抽出時の発泡防止を管路抵抗による減圧でする場合、構造が簡単になるので制御は確実であるが、その構造から飲料通路を確実に洗浄することは難しくなってしまう。
また、減圧器を使用する場合、この減圧器は分離できる構造となっているため、飲料通路の洗浄は確実に行うことができるが、構造上飲料通路の隙間は非常に狭く、流量を正確に制御するのが大変困難となっている。
本発明は、中子の吸込口を中子から突き出た外部位置で開口させることにより、炭酸飲料が容器内に残留する量をできるだけ少なくすることを意図するものである。
【０００４】
【課題を解決するための手段】
本発明にかかる第一の炭酸飲料抽出用減圧器はケースと中子を有している。該ケースは円筒形状で、該中子は該ケースに密嵌する円柱形状である。該中子の外周壁面に螺旋状の溝が形成され、該溝は、該ケースと該中子を密嵌した状態で、内端部が吐出口に導通しかつ外端部が該中子から突き出た吸込口に導通する、流体通路を現出する。
該ケースは、該中子の離脱方向外端に開放口を有し、また嵌合方向内端に端壁を有し、該端壁の外面に該ケース内と連通した嘴管が形成され、該嘴管の先端が該吐出口になっている。
そして、該中子は、その軸線方向に延びかつ該ケースとの嵌合方向の内端部が閉塞された導路を備え、該導路の外端部は突出部となってその端面に該吸込口が開口している。
【０００５】
本発明減圧器が適用された抽出器の飲料抽出部のサイホン管を炭酸飲料が入った容器の開口部を通してこの容器に入れ、キャップを開口部にその取付部で取付ける。一般的にこの取付部はねじとなっているが、クリック機構等のワンタッチ型でもよい。
【０００６】
また、ガス供給部の取付部にガスが充填されたガスカートリッジを取付ける。このカートリッジの容積は１０cc程度のもので、ガスはＣＯ₂ガスが一般的である。このカートリッジは取付完了時点で開栓部により開栓される。この開栓部は、カートリッジが封板で密封される型式の場合は穿針型で、再充填型封止機構型の場合は押し棒型となる。
【０００７】
開栓されたカートリッジから高圧ガスが流出し、ガス取出部を通って減圧部で減圧され、ガス流出口へ流れる。このガス流出口に自閉弁を配設しておけば、ガスはこの自閉弁により流出を阻止されるので、ガス供給部と飲料抽出部を分離型とすることもできる。
【０００８】
容器内の圧力がこの減圧部で減圧された圧力より低いときはガスがガス導入路を通って容器内に入り、炭酸飲料の表面を加圧する。
【０００９】
分離型の場合、ガス導入路に逆止弁を設けておけば、加圧時にガス流出口をガス導入路と分離した際に、容器内ガスの流出を防ぐ。また、ガス導入路の外端を蓋で閉塞するようにすると、異物の侵入を防げ、ガス抜け予防にもある程度役立つ。容器内の圧力と減圧部での圧力が均衡するとカートリッジからのガスの流出は止む。
【００１０】
炭酸飲料を取出したいときは、抽出口に容れ物、例えばコップを当てがい、開閉弁を開放する。抽出口にノズルを接続した場合はこのノズルの先端に容れ物を当てがう。開閉弁の操作には例えばレバー、押し釦又はネジ棒が採用される。開閉弁の開放により飲料導出路が開通する。そのため、容器内ガスの圧力で表面を圧下された炭酸飲料は減圧器の突き出た吸込口から減圧器に吸い込まれ、吐出口を通ってサイホン管に流れる。
【００１１】
この場合、螺旋状の溝が炭酸飲料の通路となり、この溝はケースと中子を嵌合するだけで両者の内外壁面間に形成されるので、流路断面は常に一定となり、正確な流量制御が可能となる。
この減圧器を通った炭酸飲料はサイホン管の内部を上昇し、飲料導出路を通って抽出口から容れ物に抽出される。
開閉弁を閉じれば、飲料導出路が閉止されて飲料の抽出が止む。
【００１２】
飲料の抽出により容器内の圧力がガス供給部の減圧部内の圧力より低くなると、減圧部よりガスがガス導入路を通って容器内に流入する。そして、この流入は両圧力がバランスするまで続く。
【００１３】
減圧器の吸込口は中子から突き出ているので、そのレベルは容器の底壁上面の最も低いレベルと一致するか又は極めて近くなっており、飲料の抽出を終えた場合、容器内に残留する飲料はごく僅かとなる。抽出用減圧器を分解し、これを洗浄すれば衛生的となる。
【００１４】
飲料を満たした容器を用意してガス供給部と飲料抽出部をこの容器に取付ければ、前回と同様にして炭酸飲料を抽出できる。
また、中子をケースの一端の開放口からこのケースに嵌合するだけで減圧器の形成ができ、分解も簡単で、嘴管をサイホン管に接続するだけで減圧器のセットができる。
更に、突出部の端面から炭酸飲料を吸い込むので、容器内の低いレベルまで吸引でき、残量が少くなる。
【００１５】
本発明にかかる第二の炭酸飲料抽出用減圧器はケースと中子を有している。該ケースは円筒形状で、該中子は該ケースに密嵌する円柱形状である。該中子の外周壁面に螺旋状の溝が形成され、該溝は、該ケースと該中子を密嵌した状態で、内端部が吸込口に導通しかつ外端部が吐出口に導通する流体通路を現出する。
該ケースは、該中子の離脱方向外端に開放口を有し、また嵌合方向内端に端壁を有し、該端壁の外面に該ケース内と連通した嘴管が形成され、該嘴管の先端が該吸込口となっている。
そして、該中子は、その軸線方向に延びかつ該ケースとの嵌合方向の内端部が閉塞された導路を備え、該導路の外端部は突出部となってその端面に該吐出口が開口している。
この第二の炭酸飲料抽出用減圧器は、吸込口と吐出口が第一の炭酸飲料抽出用減圧器と反対になっており、吸込口がケースから突き出ている。作用は第一の炭酸飲料抽出用減圧器とほとんどが同様なので、詳細な説明は省略する。
【００１６】
この場合、中子をケースの一端の開放口からこのケースに嵌合するだけで減圧器の形成ができ、分解も簡単で、嘴管の先端に吸込口があるので、容器内の低いレベルに開口することになり、炭酸飲料の残量が少なくなる。
【００１７】
また、突出部にサイホン管を接続するだけで、減圧器をセットできる。
【００１８】
該ケースと該中子の対向周面は、両者の嵌合方向に向かって縮径するテーパー面に形成され、該ケースは該開放口側で周壁の一部が軸線方向へ突き出た一対の耳を備え、該耳にだぼ穴が穿たれ、該中子の外周のだぼが該だぼ穴に係合しており、該開放口は該ケースと該中子の一方に配したＯリングにより密閉されていてもよい。
この場合、減圧器の作動中、炭酸飲料の入口と出口間に発生する圧力差が中子をケース内へ押し込むので、両テーパー面が圧着して隙間が発生せず、正確な流量制御が可能で、中子とケースはだぼとだぼ穴の弾発係合により一体化されるので、供用中に両者が離脱することがなく、該開放口は該ケースと該中子の一方に配したＯリングにより密閉されるので炭酸飲料は確実に流体通路を流れ、減圧が確実に行われる。
【００１９】
該導路は偏心していてもよい。
この場合、導路と螺旋状の溝との距離が短く、導結がし易い。
【００２０】
該中子に、該ケースに対する嵌合方向と反対側の端面から該導路を残して嵌合方向へ延びた、凹窩が形成されていてもよい。
この場合、中子の材料を節約でき、かつ軽量となる。
【００２１】
【発明実施の形態】
本発明に係る減圧器Ｒはケース１と中子２を有している。図１〜３で、ケース１は円筒形状で、中子２はケース１に密嵌する円柱形状となっている。図４及び図６で、この中子２の外周壁面２１に螺旋状の溝２２が形成される。この溝２２は、図１及び図３に示すように、ケース１と中子２を密嵌した状態で流体通路３を現出する。そして、この流体通路３の一端が吐出口４に連通し、他端が中子２から突き出た位置にある吸込口５に導通している。
ケース１は、中子２の離脱方向外端に開放口１１を、また嵌合方向内端に端壁１２をそれぞれ有し、この端壁１２の外面にケース１内と連通した嘴管１３が形成され、この嘴管１３の先端が吐出口４となっている。
中子２は、その軸線方向に延びかつケース１との嵌合方向の内端部が閉塞された導路５１を備え、この導路５１の外端部は突出部５２となってその端面に吸込口５が開口している。
【００２２】
図８に示すように、この減圧器Ｒは次のようにして使用される。６は炭酸飲料抽出器で、飲料抽出部７とガス供給部８を有している。この炭酸飲料抽出器６の構成は特願平１０−３３５２４３号に示されたものと同様なので、概略説明に止める。
【００２３】
飲料抽出部７は容器７１、キャップ７２、サイホン管７３、開閉弁７４及び抽出口７５を有している。
キャップ７２は容器７１の開口部７６を閉塞するもので、弾性の逆止弁７７付きガス導入路７８及び飲料導出路７９を有している。サイホン管７３は上端部が飲料導出路７９に導結され、下端に減圧器Ｒが導結される。飲料導出路７９はキャップ７２の頂部に貫設される。
【００２４】
開閉弁７４はキャップ７２の上方でレバー８０に連結され、スプリング８１により飲料導出路７９を閉位置に保つ傾向を与えられる。
【００２５】
抽出口７５は一端がキャップ７２外に開口してノズル８２が接続され、他端が飲料導出路７９と開閉弁７４の下流側で連通している。
【００２６】
ガス供給部８も本件出願人が先に種々の出願で採用したものと同様の構成で、特願平１０−３３５２４３号の構成とも同様なので、概略説明に止める。このガス供給部８は本体８３、ガスカートリッジＣの取付部８４、開栓部８５、ガス取出部８６、減圧部８７及びガス流出口８８を有し、このガス流出口８８に自閉弁８９が配設されている。この自閉弁８９はガス供給部８と飲料抽出部７が分離型の場合、分離時にガス流出口８８を常に閉止するようになっている。
そして、このガス供給部８はガス流出口８８がキャップ７２のガス導入路７８と導通するようになっている。
【００２７】
図示の炭酸飲料抽出器６は、減圧器Ｒを備えたサイホン管７３を炭酸飲料の入った容器７１に入れて、飲料抽出部７のキャップ７２をこの容器７１の開口部７６に気密に取付ける。
【００２８】
ガス導入路７８はキャップ７２の頂部に貫設され、逆止弁７７が圧嵌している。ガス導入路７８に外部から規定された圧力がかかるとこの逆止弁７７が開いて外部から容器７１の内部へガスを流し、圧力がこの規定値以下になるとこの逆止弁７７が閉じて容器７１の内部のガスが外部へ流出するのを阻止する。
【００２９】
次に、ガス供給部８ではガスカートリッジＣをその取付部８４に取付ける。ガスカートリッジＣは開栓部８５で開栓され、圧力ガスがガス取出部８６に出て減圧部８７で減圧される。減圧されたガスがガス流出口８８を通って飲料抽出部７のガス導入路７８に入り、容器７１に流れ込む。そして、容器７１内の圧力と減圧されたガスの圧力が均衡するとガスの流れは停止する。
【００３０】
容器７１内の炭酸飲料はその液面にこのガス圧がかかるので、レバー８０で飲料導出路７９を開けば、容器７１内の炭酸飲料はガス圧により減圧器Ｒ内を均一に流れ、サイホン管７３内を昇流して抽出口７５を通り、ノズル８２から抽出される。レバー８０を放せばスプリング８１により飲料導出路７９が閉じ、飲料の抽出は停止する。
【００３１】
減圧器Ｒではケース１と中子２の嵌合により、螺旋状の溝２２が炭酸飲料を通す流体通路３を形成しているので、流路断面は常に一定となり、正確な流量制御が可能となる。
【００３２】
吸込口５は中子２の離脱方向の端面より外方へ突き出た位置にあるので、容器７１に入れた場合、吸込口５のレベルＬが可及的に下位に位置し、炭酸飲料の残留量が極めて僅かとなって、経済的である。
中子２をケース１の一端の開放口１１からこのケース１に嵌合するだけで減圧器の形成ができ、分解も簡単で、嘴管１３をサイホン管７３に接続するだけで減圧器のセットができる。
また、突出部５２の端面から炭酸飲料を吸い込むので、容器７１内の低いレベルまで吸引でき、残量が少くなる。
【００３３】
本発明に係る第二の炭酸飲料抽出用減圧器はケース１と中子２を有している。このケース１は円筒形状で、中子２はこのケース１に密嵌する円柱形状である。この中子２の外周壁面２１に螺旋状の溝２２が形成されている。そして、この溝２２は、ケース１と中子２を密嵌した状態で、内端部３３ａがケース１から突き出た吸込口５に導通しかつ外端部３３ｂが吐出口４に導通する、流体通路３を現出する。
この第二の炭酸飲料抽出用減圧器の場合、第一の炭酸飲料抽出用減圧器の吐出口４と吸込口５が反対となって入れ替わっているが、その作用はほとんど差がないので、詳細な説明は省略する。
図８に示すように、突出部５２に補足管５２’を継ぎ足せば、レベルＬを更に下げることもできる。
【００３４】
ケース１は、中子２の離脱方向外端に開放口１１を、また嵌合方向内端に端壁１２をそれぞれ有し、この端壁１２の外面にケース１内と連通した嘴管１３が形成され、この嘴管１３の先端が吸込口５となっている。
中子２は、その軸線方向に延びかつケース１との嵌合方向の内端部が閉塞された導路５１を備え、この導路５１の外端部は突出部５２となってその端面に吐出口４が開口している。
中子２をケース１の開放口１１からこのケース１に嵌合するだけで減圧器の形成ができ、分解も簡単で、嘴管１３の先端に吸込口５があるので、容器７１内の低いレベルに開口することになり、炭酸飲料の残量が少なくなる。
突出部５２にサイホン管７３を接続するだけで、減圧器をセットできる。
【００３５】
ケース１と中子２の対向周面は、両者の嵌合方向に向かい角度θで縮径するテーパー面１４、２３に形成される。ケース１は開放口１１側で周壁の一部が軸線方向へ突き出た一対の耳１５を備え、これらの耳１５にだぼ穴１６が穿たれる。中子２の外周のだぼ２４がだぼ穴１６に係合しており、開放口１１はケース１と中子２の一方に配したＯリング９により密閉されている。
こうすると、減圧器Ｒの作動中、炭酸飲料の吸込口５と吐出口４間に発生する圧力差が中子２をケース１内へ押し込むので、両テーパー面１４と２３が圧着して隙間が発生せず、正確な流量制御が可能である。また、中子２とケース１は、だぼ２４とだぼ穴１６の弾発係合により一体化されるので、供用中に両者が離脱することがない。更に、開放口１１はケース１と中子２の一方に配したＯリング９により密閉されるので炭酸飲料は確実に流体通路３を流れ、減圧が確実に行われる。
【００３６】
通路５１は偏心している。
こうすると、通路５１と螺旋状の溝２２との距離が短く、導結がし易い。
【００３７】
中子２に、ケース１に対する嵌合方向と反対側の端面から導路５１を残して嵌合方向へ延びた、凹窩２５が形成されている。
こうすると、中子２の材料を節約でき、かつ軽量となる。
【００３８】
【発明の効果】
本発明に係る第一の炭酸飲料抽出用減圧器によれば、螺旋状の溝が炭酸飲料の通路となり、この溝はケースと中子を嵌合するだけで両者の内外壁面間に形成されるので、流路断面は常に一定となり、正確な流量制御を行え、また分解洗浄も簡単にでき、中子をケースの一端の開放口からこのケースに嵌合するだけで減圧器の形成ができ、分解も簡単で、嘴管をサイホン管に接続するだけで減圧器のセットができ、突出部の端面から炭酸飲料を吸い込むので、容器内の低いレベルまで吸引でき、残量が少くなる。
【００３９】
請求項２の本発明に係る第二の炭酸飲料抽出用減圧器によれば、第一の炭酸飲料抽出用減圧器と同様の作用効果を奏する上、中子をケースの一端の開放口からこのケースに嵌合するだけで減圧器の形成ができ、分解も簡単で、嘴管の先端に吸込口があるので、容器内の低いレベルに開口することになり、炭酸飲料の残量が少なくなり、突出部にサイホン管を接続するだけで、減圧器をセットできる。
【００４０】
請求項３によれば、減圧器の作動中、炭酸飲料の入口と出口間に発生する圧力差が中子をケース内へ押し込むので、両テーパー面が圧着して隙間が発生せず、正確な流量制御が可能で、中子とケースはだぼとだぼ穴の弾発係合により一体化されるので、供用中に両者が離脱することがなく、該開放口は該ケースと該中子の一方に配したＯリングにより密閉されるので炭酸飲料は確実に流体通路を流れ、減圧が確実に行われる。
【００４１】
請求項４によれば、導路と螺旋状の溝との距離が短く、導結がし易い。
【００４２】
請求項５によれば、中子の材料を節約でき、かつ軽量となる。
【図面の簡単な説明】
【図１】本発明にかかる第一の炭酸飲料抽出用減圧器の具体例を示す側面図で、ケース１を切断してある。
【図２】左側面図である。
【図３】図１の３−３線断面図で、本発明にかかる第二の炭酸飲料抽出用減圧器の具体例も括弧付き符号で示してある。
【図４】中子２の側面図で、図１の中心線上で１８０°回転したものである。
【図５】図４の右側面図である。
【図６】図４の手前半分を切除して示す図である。
【図７】減圧器Ｒをサイホン管７３に接続した状態の側面図である。
【図８】本発明にかかる第一の炭酸飲料抽出用減圧器の具体例を使用した炭酸飲料抽出器の一部切断正面図である。
【図９】本発明にかかる第二の炭酸飲料抽出用減圧器の具体例を、ケース１を切断して示す、側面図である。
【図１０】従来の炭酸飲料抽出用減圧器を使用した炭酸飲料抽出器の一部切断正面図である。
【符号の説明】
１ケース
２中子
３流体通路
４吐出口
５吸込口
９Ｏリング
１１開放口
１２端壁
１３嘴管
１４テーパー面
１５耳
１６だぼ穴
２１外周壁面
２２溝
２３テーパー面
２４だぼ
２５凹窩
３３ａ内端部
３３ｂ外端部
５１導路
５２突出部[0001]
BACKGROUND OF THE INVENTION
The present invention is applied to a carbonated beverage extraction decompressor, for example, using a gas pressure of a carbon dioxide cartridge having an internal volume of about 10 cc to extract the carbonated beverage in the container to the outside without causing a so-called gas outflowing action. In such a case, the present invention relates to an improvement in what is interposed in the extraction passage.
[0002]
[Prior art]
In order to prevent foaming during beverage extraction, the carbonated beverage extractor is desirably provided with a decompression means for controlling the extraction pressure in the extraction path.
The present applicant is Japanese Patent Application No. 10-335243, and has a pressure reducing device R ′ that forms a helical pressure reducing fluid passage that prevents foaming by fitting the case and the core as shown in FIG. A carbonated beverage extractor 6 ′ comprising a beverage extractor 7 ′ and a gas supply unit 8 ′ is proposed.
According to the above-mentioned [Prior Art], the suction port of the spiral fluid passage is open to the outer peripheral surface of the core, so the decompressor R ′ is attached to the siphon tube 73 ′ and dropped into the container 71 ′. In this case, the level L ′ of the suction port may be located away from the upper surface of the bottom wall of the container. When the bottom wall is a spherical surface and is curved upward, the tendency becomes remarkable. If the suction port is located above the upper surface of the bottom wall, carbonated beverages below that level cannot be extracted and remain in the container and discarded, which is extremely uneconomical.
[0003]
[Problems to be solved by the invention]
When the prevention of foaming at the time of beverage extraction is performed by reducing the pressure by pipe resistance, the structure becomes simple and the control is reliable, but it is difficult to reliably wash the beverage passage from the structure.
In addition, when using a pressure reducer, the pressure reducer has a structure that can be separated, so that the beverage passage can be reliably cleaned, but the gap in the beverage passage is structurally very narrow, and the flow rate is accurate. It is very difficult to control.
The present invention intends to reduce the amount of carbonated beverage remaining in the container as much as possible by opening the suction port of the core at an external position protruding from the core.
[0004]
[Means for Solving the Problems]
The first decompressor for extracting carbonated beverages according to the present invention has a case and a core. The case has a cylindrical shape, and the core has a cylindrical shape that fits tightly into the case. A spiral groove is formed on the outer peripheral wall surface of the core, and the inner end portion is electrically connected to the discharge port and the outer end portion is connected to the core in a state where the case and the core are closely fitted. A fluid passage that leads to the protruding suction port appears.
The case has an opening at the outer end of the core in the detaching direction, has an end wall at the inner end in the fitting direction, and a soot tube communicating with the inside of the case is formed on the outer surface of the end wall. The tip of the soot tube is the discharge port.
The core includes a conduit that extends in the axial direction and is closed at the inner end in the fitting direction with the case, and the outer end of the guide forms a protruding portion on the end surface. The inlet is open.
[0005]
The siphon tube of the beverage extraction part of the extractor to which the decompressor of the present invention is applied is put into this container through the opening of the container containing the carbonated beverage, and the cap is attached to the opening by the attachment part. Generally, this attachment portion is a screw, but it may be a one-touch type such as a click mechanism.
[0006]
A gas cartridge filled with gas is attached to the mounting portion of the gas supply unit. The volume of this cartridge is about 10 cc, and the gas is generally CO ₂ gas. The cartridge is opened by the opening portion when the attachment is completed. The opening portion is a needle-piercing type in the case where the cartridge is sealed with a sealing plate, and a push-bar type in the case of a refill-type sealing mechanism type.
[0007]
High-pressure gas flows out from the opened cartridge, is decompressed by the decompression section through the gas extraction section, and flows to the gas outlet. If a self-closing valve is provided at the gas outlet, the gas is prevented from flowing out by the self-closing valve, so that the gas supply unit and the beverage extraction unit can be separated.
[0008]
When the pressure in the container is lower than the pressure reduced in the decompression section, gas enters the container through the gas introduction path and pressurizes the surface of the carbonated beverage.
[0009]
In the case of the separation type, if a check valve is provided in the gas introduction path, the outflow of the gas in the container is prevented when the gas outlet is separated from the gas introduction path during pressurization. Further, if the outer end of the gas introduction path is closed with a lid, it is possible to prevent foreign substances from entering and to some extent prevent gas leakage. When the pressure in the container and the pressure in the decompression section are balanced, the outflow of gas from the cartridge stops.
[0010]
When it is desired to take out the carbonated beverage, a container, for example, a cup is applied to the extraction port, and the on-off valve is opened. When a nozzle is connected to the extraction port, the container is applied to the tip of this nozzle. For the operation of the on-off valve, for example, a lever, a push button or a screw rod is employed. The beverage outlet path is opened by opening the on-off valve. Therefore, the carbonated beverage whose surface has been reduced by the pressure of the gas in the container is sucked into the decompressor from the suction port protruding from the decompressor, and flows into the siphon tube through the discharge port.
[0011]
In this case, the spiral groove becomes a carbonated beverage passage, and this groove is formed between the inner and outer wall surfaces just by fitting the case and core, so the cross section of the flow path is always constant and accurate flow control Is possible.
The carbonated beverage that has passed through the decompressor ascends inside the siphon tube, and is extracted from the extraction port into the container through the beverage outlet path.
If the on-off valve is closed, the beverage outlet path is closed and the beverage extraction stops.
[0012]
When the pressure in the container becomes lower than the pressure in the decompression unit of the gas supply unit due to the extraction of the beverage, the gas flows from the decompression unit through the gas introduction path into the container. This inflow continues until both pressures are balanced.
[0013]
Since the suction port of the decompressor protrudes from the core, its level matches or is very close to the lowest level on the top of the bottom wall of the container, and remains in the container when the beverage has been extracted There is very little beverage. If the decompressor for extraction is disassembled and cleaned, it becomes hygienic.
[0014]
If a container filled with a beverage is prepared and a gas supply unit and a beverage extraction unit are attached to the container, a carbonated beverage can be extracted in the same manner as the previous time.
In addition, a decompressor can be formed simply by fitting the core into the case from the opening at one end of the case, disassembling is easy, and the decompressor can be set simply by connecting the soot tube to the siphon tube.
Further, since the carbonated beverage is sucked from the end face of the protruding portion, it can be sucked to a low level in the container, and the remaining amount becomes small.
[0015]
The second decompressor for extracting carbonated beverages according to the present invention has a case and a core. The case has a cylindrical shape, and the core has a cylindrical shape that fits tightly into the case. A spiral groove is formed on the outer peripheral wall surface of the core, and the inner end portion is connected to the suction port and the outer end portion is connected to the discharge port in a state where the case and the core are closely fitted. The fluid passage to appear.
The case has an opening at the outer end of the core in the detaching direction, has an end wall at the inner end in the fitting direction, and a soot tube communicating with the inside of the case is formed on the outer surface of the end wall. The tip of the soot tube serves as the suction port.
The core includes a conduit that extends in the axial direction and is closed at the inner end in the fitting direction with the case, and the outer end of the guide forms a protruding portion on the end surface. The discharge port is open.
In the second decompressor for extracting carbonated beverages, the suction port and the discharge port are opposite to the first decompressor for extracting carbonated beverages, and the suction port protrudes from the case. Since the action is almost the same as that of the first decompressor for extracting carbonated beverages, the detailed description is omitted.
[00 16 ]
In this case, it is only in the formation of pressure reducer fitting core from one end of the opening port of the case into the case, decomposition is also easy, since there is a suction port at the tip of the beak tube, lower container level The remaining amount of carbonated beverages is reduced.
[00 17 ]
Moreover , a decompressor can be set only by connecting a siphon tube to a protrusion part.
[0018]
The opposing peripheral surfaces of the case and the core are formed as tapered surfaces that are reduced in diameter in the fitting direction of the two, and the case has a pair of ears in which a part of the peripheral wall protrudes in the axial direction on the opening side. The dowel hole is formed in the ear, the dowel on the outer periphery of the core is engaged with the dowel hole, and the open port is an O-ring disposed on one of the case and the core May be sealed.
In this case, the pressure difference generated between the inlet and outlet of the carbonated beverage during operation of the decompressor pushes the core into the case, so that both taper surfaces are crimped and no gap is created, allowing accurate flow control. Since the core and the case are integrated by elastic engagement of the dowel and the dowel hole, both do not separate during service, and the opening is arranged in one of the case and the core. Since the O-ring is sealed, the carbonated beverage surely flows through the fluid passage and the decompression is reliably performed.
[00 19 ]
The conduit may be eccentric.
In this case, the distance between the guide path and the spiral groove is short, and the connection is easy.
[00 20 ]
A recess may be formed in the core, extending from the end surface opposite to the fitting direction to the case to the fitting direction, leaving the conduit.
In this case, the core material can be saved and the weight can be reduced.
[00 21 ]
DETAILED DESCRIPTION OF THE INVENTION
The decompressor R according to the present invention has a case 1 and a core 2. 1 to 3, the case 1 has a cylindrical shape, and the core 2 has a columnar shape that is tightly fitted to the case 1. 4 and 6, a spiral groove 22 is formed on the outer peripheral wall surface 21 of the core 2. As shown in FIGS. 1 and 3, the groove 22 reveals the fluid passage 3 in a state where the case 1 and the core 2 are closely fitted. One end of the fluid passage 3 communicates with the discharge port 4, and the other end is connected to the suction port 5 at a position protruding from the core 2.
The case 1 has an opening 11 at the outer end of the core 2 in the separation direction and an end wall 12 at the inner end in the fitting direction, and a soot tube 13 communicating with the inside of the case 1 is formed on the outer surface of the end wall 12. The tip of the soot tube 13 is formed as a discharge port 4.
The core 2 includes a guide path 51 that extends in the axial direction and is closed at the inner end in the fitting direction with the case 1, and the outer end of the guide path 51 forms a protrusion 52 on the end surface. The suction port 5 is open.
[00 22 ]
As shown in FIG. 8, the decompressor R is used as follows. Reference numeral 6 denotes a carbonated beverage extractor, which has a beverage extraction unit 7 and a gas supply unit 8. Since the structure of this carbonated beverage extractor 6 is the same as that shown in Japanese Patent Application No. 10-335243, only a brief description will be given.
[00 23 ]
The beverage extraction unit 7 includes a container 71, a cap 72, a siphon tube 73, an on-off valve 74, and an extraction port 75.
The cap 72 closes the opening 76 of the container 71, and has a gas introduction path 78 with an elastic check valve 77 and a beverage outlet path 79. The siphon tube 73 has an upper end portion connected to the beverage outlet path 79 and a lower end connected to the decompressor R. The beverage outlet path 79 is provided through the top of the cap 72.
[00 24 ]
The on-off valve 74 is connected to the lever 80 above the cap 72 and is given a tendency to keep the beverage outlet path 79 in the closed position by the spring 81.
[00 25 ]
One end of the extraction port 75 opens to the outside of the cap 72 and is connected to the nozzle 82, and the other end communicates with the beverage outlet path 79 on the downstream side of the on-off valve 74.
[00 26 ]
The gas supply unit 8 has the same configuration as that adopted by the applicant of the present application in various applications, and is the same as the configuration of Japanese Patent Application No. 10-335243, so only a brief description will be given. The gas supply unit 8 includes a main body 83, a gas cartridge C mounting part 84, an opening part 85, a gas extraction part 86, a decompression part 87, and a gas outlet 88. A self-closing valve 89 is provided at the gas outlet 88. It is arranged. This self-closing valve 89 always closes the gas outlet 88 during separation when the gas supply unit 8 and the beverage extraction unit 7 are separated.
In the gas supply unit 8, the gas outlet 88 is connected to the gas introduction path 78 of the cap 72.
[00 27 ]
In the illustrated carbonated beverage extractor 6, a siphon tube 73 equipped with a decompressor R is placed in a container 71 containing a carbonated beverage, and a cap 72 of the beverage extractor 7 is attached to the opening 76 of the container 71 in an airtight manner.
[00 28 ]
The gas introduction path 78 is provided through the top of the cap 72, and a check valve 77 is press-fitted. When a prescribed pressure is applied to the gas introduction path 78 from the outside, the check valve 77 is opened and gas flows from the outside to the inside of the container 71. When the pressure falls below the prescribed value, the check valve 77 is closed and the container is closed. The gas inside 71 is prevented from flowing out.
[00 29 ]
Next, in the gas supply part 8, the gas cartridge C is attached to the attachment part 84. The gas cartridge C is opened by the opening portion 85, and the pressure gas is discharged to the gas extraction portion 86 and decompressed by the decompression portion 87. The decompressed gas passes through the gas outlet 88 and enters the gas introduction path 78 of the beverage extraction unit 7 and flows into the container 71. When the pressure in the container 71 and the pressure of the decompressed gas are balanced, the gas flow stops.
[00 30 ]
Since this gas pressure is applied to the liquid level of the carbonated beverage in the container 71, if the beverage outlet path 79 is opened by the lever 80, the carbonated beverage in the container 71 flows uniformly in the decompressor R by the gas pressure, and the siphon tube The gas flows upward in the gas passage 73, passes through the extraction port 75, and is extracted from the nozzle 82. When the lever 80 is released, the beverage outlet path 79 is closed by the spring 81, and the beverage extraction is stopped.
[00 31 ]
In the decompressor R, the spiral groove 22 forms the fluid passage 3 through which the carbonated beverage passes through the fitting of the case 1 and the core 2, so that the cross section of the passage is always constant, and accurate flow control is possible. Become.
[0032]
Since the suction port 5 is in a position protruding outward from the end surface of the core 2 in the separation direction, when placed in the container 71, the level L of the suction port 5 is positioned as low as possible, and the carbonated beverage remains. The amount is very small and economical.
A decompressor can be formed simply by fitting the core 2 to the case 1 from the opening 11 at one end of the case 1, and disassembly is easy. The decompressor can be set by simply connecting the soot tube 13 to the siphon tube 73. Can do.
Moreover, since carbonated drink is sucked in from the end surface of the protrusion part 52, it can attract | suck to the low level in the container 71, and residual amount becomes small.
[00 33 ]
The second decompressor for extracting carbonated beverages according to the present invention has a case 1 and a core 2. The case 1 has a cylindrical shape, and the core 2 has a cylindrical shape that fits closely to the case 1. A spiral groove 22 is formed on the outer peripheral wall surface 21 of the core 2. The groove 22 is a fluid in which the inner end 33a is electrically connected to the suction port 5 protruding from the case 1 and the outer end 33b is electrically connected to the discharge port 4 in a state where the case 1 and the core 2 are closely fitted. Passage 3 appears.
For this second carbonated beverage extraction pressure reducer, although the first discharge opening 4 and the suction port 5 of carbonated beverage extraction pressure reducer has replaced become opposite, because its effect little difference is no more information The detailed explanation is omitted.
As shown in FIG. 8, the level L can be further lowered by adding a supplementary pipe 52 ′ to the protrusion 52.
[0034]
The case 1 has an opening 11 at the outer end of the core 2 in the separation direction and an end wall 12 at the inner end in the fitting direction, and a soot tube 13 communicating with the inside of the case 1 is formed on the outer surface of the end wall 12. The tip of the soot tube 13 is formed as a suction port 5.
The core 2 includes a guide path 51 that extends in the axial direction and is closed at the inner end in the fitting direction with the case 1, and the outer end of the guide path 51 forms a protrusion 52 on the end surface. The discharge port 4 is open.
Only fitting the middle child 2 from the open mouth 11 of the case 1 to the case 1 can form a pressure reducer, it decomposed easy, because there is a suction port 5 to the tip of the beak tube 13, lower container 71 It will open to the level, and the remaining amount of carbonated drink will decrease.
The decompressor can be set only by connecting the siphon tube 73 to the protruding portion 52.
[00 35 ]
Opposing peripheral surfaces of the case 1 and the core 2 are formed on tapered surfaces 14 and 23 that are reduced in diameter by an angle θ toward the fitting direction of both. The case 1 includes a pair of ears 15 with a part of the peripheral wall protruding in the axial direction on the opening 11 side, and the dowel holes 16 are formed in these ears 15. A dowel 24 on the outer periphery of the core 2 is engaged with the dowel hole 16, and the opening 11 is sealed by an O-ring 9 disposed on one of the case 1 and the core 2.
By doing so, the pressure difference generated between the suction port 5 and the discharge port 4 of the carbonated beverage pushes the core 2 into the case 1 during the operation of the decompressor R, so that both the tapered surfaces 14 and 23 are crimped and a gap is formed. It does not occur and accurate flow control is possible. Further, since the core 2 and the case 1 are integrated by the elastic engagement of the dowel 24 and the dowel hole 16, they will not be detached during service. Further, since the opening 11 is sealed by an O-ring 9 disposed on one of the case 1 and the core 2, the carbonated beverage surely flows through the fluid passage 3 and the decompression is reliably performed.
[00 36 ]
The passage 51 is eccentric.
If it carries out like this, the distance of the channel | path 51 and the helical groove | channel 22 is short, and it will be easy to guide.
[00 37 ]
The core 2 is formed with a recess 25 extending in the fitting direction from the end surface opposite to the fitting direction with respect to the case 1, leaving the conduit 51.
If it carries out like this, the material of the core 2 can be saved and it will become lightweight.
[0038]
【The invention's effect】
According to the first decompressor for extracting carbonated beverages according to the present invention, the spiral groove serves as a carbonated beverage passage, and this groove is formed between the inner and outer wall surfaces of the case only by fitting the case and the core. Therefore, the cross section of the flow path is always constant, accurate flow control can be performed, disassembly and cleaning can be easily performed, and a decompressor can be formed simply by fitting the core into this case from the open port at one end of the case. It is easy to disassemble, and the decompressor can be set simply by connecting the soot tube to the siphon tube. Since the carbonated beverage is sucked in from the end face of the protruding portion, it can be sucked to a low level in the container and the remaining amount is small.
[0039]
According to the second decompressor for extracting carbonated beverages according to the second aspect of the present invention, the same effect as that of the first decompressor for extracting carbonated beverages can be obtained, and the core is removed from the opening at one end of the case. A pressure reducer can be formed by simply fitting it into the case, it is easy to disassemble, and since there is a suction port at the tip of the soot tube, it opens to a low level in the container, and the remaining amount of carbonated beverages decreases. The decompressor can be set simply by connecting a siphon tube to the protrusion.
[00 40 ]
According to the third aspect , during operation of the decompressor, the pressure difference generated between the inlet and outlet of the carbonated beverage pushes the core into the case. Since the flow rate can be controlled and the core and the case are integrated by elastic engagement of the dowel and the dowel hole, both do not come off during service, and the opening is open to the case and the core. Therefore, the carbonated beverage surely flows through the fluid passage and the decompression is reliably performed.
[00 41 ]
According to the fourth aspect , the distance between the guide path and the spiral groove is short, and the connection is easy.
[00 42 ]
According to the fifth aspect , the core material can be saved and the weight can be reduced.
[Brief description of the drawings]
FIG. 1 is a side view showing a specific example of a first carbonated beverage extraction decompressor according to the present invention, in which a case 1 is cut.
FIG. 2 is a left side view.
3 is a cross-sectional view taken along line 3-3 in FIG. 1, and a specific example of the second decompressor for extracting a carbonated beverage according to the present invention is also indicated by parenthesized symbols.
4 is a side view of the core 2, which is rotated 180 ° on the center line of FIG.
FIG. 5 is a right side view of FIG. 4;
6 is a view showing a front half of FIG. 4 cut away. FIG.
7 is a side view of the state in which the decompressor R is connected to the siphon tube 73. FIG.
FIG. 8 is a partially cut front view of a carbonated beverage extractor using a specific example of the first decompressor for extracting a carbonated beverage according to the present invention.
FIG. 9 is a side view showing a specific example of the second decompressor for extracting a carbonated beverage according to the present invention by cutting the case 1;
FIG. 10 is a partially cut front view of a carbonated beverage extractor using a conventional carbonated beverage extraction decompressor.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Case 2 Core 3 Fluid passage 4 Discharge port 5 Suction port 9 O-ring 11 Opening port 12 End wall 13 Peristaltic tube 14 Tapered surface 15 Ear 16 Dowel hole 21 Outer peripheral wall surface 22 Groove 23 Tapered surface 24 Dowel 25 Concavity 33a Inner end 33b Outer end 51 Conducting path 52 Projection

Claims

A case (1) and a core (2), the case (1) is cylindrical, the core (2) is a columnar shape closely fitted to the case (1), the core (2) A spiral groove (22) is formed on the outer peripheral wall surface (21) of the inner end portion (33a) in a state where the case (1) and the core (2) are closely fitted. There was revealing conduction vital outer end to the discharge port (4) (33b) is electrically connected to the tang (2) from the projecting inlet (5), the fluid passage (3),
The case (1) has an open port in the removal direction outer end of the tang (2) (11), also in the fitting direction within the end wall (12) respectively, said end wall (12) the case (1) in the communication with the beak tube (13) is formed on the outer surface, the tip of 該嘴tube (13) has a spout (4),
Tang (2) is provided with its axially extending and conduit to the inner end portion of the fitting direction between the casing (1) is closed (51), the outer end portion of the conductor paths (51) A decompression device for extracting carbonated beverages, characterized in that the suction port (5) is open at the end face of the projecting portion (52) .

A case (1) and a core (2), the case (1) is cylindrical, the core (2) is a columnar shape closely fitted to the case (1), the core (2) A spiral groove (22) is formed on the outer peripheral wall surface (21) of the inner end portion (33a) in a state where the case (1) and the core (2) are closely fitted. There conducting vital outer end to the suction port protruding from the case (1) (5) (33b) is electrically connected to the discharge port (4), and revealing the fluid passage (3),
The case (1) has an open port in the removal direction outer end of the tang (2) (11), also in the fitting direction within the end wall (12) respectively, said end wall (12) the case (1) in the communication with the beak tube (13) is formed on the outer surface, the tip of 該嘴tube (13) has a suction plug mouth (5),
Tang (2) is provided with its axially extending and conduit to the inner end portion of the fitting direction between the casing (1) is closed (51), the outer end portion of the conductor paths (51) Is a decompression device for extracting carbonated beverages, characterized in that the discharge port (4) is open at the end face of the projecting portion (52) .

Opposing peripheral surfaces of the case (1) and the core (2) are formed as tapered surfaces (14) and (23) whose diameters are reduced in the fitting direction of the two, and the case (1) A pair of ears (15) with a part of the peripheral wall protruding in the axial direction on the (11) side, and a dowel hole (16) is drilled in the ear (15), and the outer periphery of the core (2) (24) is engaged with the dowel hole (16), and the opening (11) is sealed by an O-ring (9) disposed on one of the case (1) and the core (2). The decompressor for extracting carbonated beverages according to claim 1 or 2 .

The decompressor for extracting carbonated beverages according to claim 1 or 2 , wherein the conduit (51) is eccentric.

The core (2) is formed with a recess (25) extending from the end surface opposite to the fitting direction with respect to the case (1) in the fitting direction, leaving the conduit (51). Item 5. A decompressor for extracting carbonated beverages according to item 1 , 2 or 4 .