JP4485021B2 - Foam cleaning equipment - Google Patents

Foam cleaning equipment Download PDF

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JP4485021B2
JP4485021B2 JP2000174397A JP2000174397A JP4485021B2 JP 4485021 B2 JP4485021 B2 JP 4485021B2 JP 2000174397 A JP2000174397 A JP 2000174397A JP 2000174397 A JP2000174397 A JP 2000174397A JP 4485021 B2 JP4485021 B2 JP 4485021B2
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foam
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JP2001347238A (en
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可賀 長谷川
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可賀 長谷川
株式会社 ニードブレーン
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Description

【0001】
【発明の属する技術分野】
本発明は、洗浄液を発泡させて噴出させる発泡洗浄装置に関する。
【0002】
【従来の技術】
洗車等、種々の洗浄用途に、洗浄液を発泡させて噴出させる発泡洗浄装置が用いられている。この発泡洗浄装置は、洗浄液を発泡させることで洗浄対象物に長時間とどまらせることにより洗浄性能を上げることができる上、洗浄液をミスト状に噴出させる洗浄装置のように作業環境への影響もない非常に優れたものである。
【0003】
【発明が解決しようとする課題】
しかしながら、従来の発泡洗浄装置において、洗浄液を十分に発泡させることができるものは非常に大型であるという問題があった。一方、小型の発泡洗浄装置は、洗浄液を十分に発泡させることができず、洗浄性能を確保できないという問題があった。
【0004】
本発明は、上記事情に鑑みてなされたもので、洗浄液を十分に発泡させることができる上、小型化できる発泡洗浄装置の提供を目的としている。
【0005】
【課題を解決するための手段】
上記目的を達成するため、本発明の請求項1記載の発泡洗浄装置は、圧縮ガスが導入されることにより洗浄液をミスト状に噴出させる噴出手段と、該噴出手段から噴出させられるミスト状の洗浄液を発泡させる発泡手段とを有し、前記発泡手段は、前記噴出手段側に連結される導入部と、該導入部より流路断面積が大とされ該導入部の前記噴出手段に対し反対側に配置される拡大部と、該拡大部より流路断面積が小とされ該拡大部の前記導入部に対し反対側に配置されて外部に開口する導出部とを有するケーシングと、前記拡大部内に収納される多孔質部材とを有する発泡洗浄装置であって、前記ケーシングは、端部にオネジが形成された略円筒状をなすネジ部材と、円盤状の底部と大径円筒部とを有する略有底円筒状をなし前記大径円筒部の前記底部に対し反対側の内周面にメネジが形成されるとともに前記底部の中心に前記ネジ部材のオネジが螺合連結されるケーシング本体と、円盤部と該円盤部の中心に軸線方向に突出するように形成された小径円筒部とを有し前記円盤部の外周面のオネジにおいて前記ケーシング本体のメネジに螺合される蓋部材とを有し、前記ネジ部材が前記導入部を構成し、前記ケーシング本体と前記蓋部材の前記円盤部とが前記拡大部を構成し、前記蓋部材の前記小径円筒部が前記導出部を構成していて、前記拡大部の軸方向中間部に該拡大部の軸線方向長さより短い前記多孔質部材が配置され、前記拡大部における前記多孔質部材の前記導出部側に空間を形成する空間形成部材が配置され、前記拡大部における前記多孔質部材の前記導入部側に空間を形成する空間形成部材が配置されており、前記空間形成部材は、樹脂あるいは金属の糸状部材を固めて立体構造物としたもの、樹脂あるいは金属をコイル状に形成して立体構造物としたもの、樹脂あるいは金属の網を複数重ね合わせて立体構造物としたもの、のうちのいずれか一つであることを特徴としている。
【0006】
これにより、噴出手段から噴出されたミスト状の洗浄液が圧縮ガスとともに発泡手段のケーシングの導入部に導入されると、該導入部より流路断面積が大とされた拡大部で広げられ低速で多孔質部材を圧縮ガスとともに通過する。この時に圧縮ガスと混ざり合い十分に発泡されたクリーム状の泡となる。そして、このようなクリーム状の泡が、該拡大部より流路断面積が小とされた導出部で高速とされて噴出させられる。したがって、洗浄液を十分に発泡させることができる。しかも、上記ケーシングと多孔質部材とを有する発泡手段を噴出手段に設けるだけでよいため、非常にコンパクトにできる。
【0008】
また、拡大部の多孔質部材を通過することで十分に発泡されたクリーム状の泡が、空間形成部材で形成された空間を通過することで、つぶれることなく発泡状態が保たれ、導出部から噴出させられる。したがって、洗浄液を十分発泡させた状態のまま噴出させることができる。
【0010】
また、導出部から外部に噴出させられるクリーム状の泡は、該導出部が筒状をなすため方向性が与えられる。したがって、該泡を、一定方向に遠くまで飛ばすことができる。
【0011】
【発明の実施の形態】
本発明の一の実施の形態に係る発泡洗浄装置を図1を参照して以下に説明する。
【0012】
この発泡洗浄装置は、圧縮空気(圧縮ガス)を供給するエアコンプレッサ等の圧縮空気供給源11と、該圧縮空気供給源11から圧縮空気が導入されることにより洗浄液をミスト状に噴出させる噴出部(噴出手段)12と、噴出部12から噴出させられるミスト状の洗浄液を発泡させる発泡部(発泡手段)13とを有している。
【0013】
噴出部12と発泡部13とは、一体化されて洗浄ガン15を構成しており、洗浄ガン15は、圧縮空気供給源11に可撓性のホース16を介して連結されている。
【0014】
噴出部12は、一端がホース16に連結されるとともに作業者の手で把持される把持本体部18と、該把持本体部18に所定の角度範囲内で回動可能に支持されたレバー19と、レバー19を付勢する図示せぬ付勢部材とを有している。
【0015】
把持本体部18は、ホース16の内部流路16aに連通する内部流路18aと、該内部流路18aを開閉させる開閉弁20とを有しており、レバー19が、付勢部材の付勢力に抗して把持本体部18側に回動させられることで開閉弁20は開かれる一方、レバー19が、付勢部材の付勢力で把持本体部18から離れる方向に回動させられることで開閉弁20は閉じられる。
【0016】
噴出部12は、把持本体部18の先端に取り付けられる連結部材22と、該連結部材22に取り付けられる流量調整弁23と、該流量調整弁23に取り付けられる容器24とを有している。
【0017】
連結部材22は、略円筒状をなしており、その内周面が把持本体部18の内部流路18aに連通可能な内部流路22aとされている。
【0018】
この連結部材22には、内部流路22aの途中から垂直方向に流量調整弁23が連結されている。
【0019】
流量調整弁23は、その内部流路23aが一方において連結部材22の内部流路22aに連通させられるとともに他方が吸引ホース25に連通させられており、手動レバー26の回動位置に応じて内部流路23aの流路断面積を全閉から全開までの間で任意に調整可能となっている。
【0020】
容器24は、有底円筒状の容器本体28と該容器本体28の開口側に着脱自在に螺合させられる略円盤状の蓋体29とからなっており、蓋体29には容器24の内部を外気に常時連通させる連通孔30が形成されている。そして、容器24は、その蓋体29において、流量調整弁23の連結部材22に対し反対側に取り付けられ、流量調整弁23に取り付けられた吸引ホース25は容器24の底部近傍まで延びている。
【0021】
なお、連結部材22に対する流量調整弁23および容器24の取り付け方向は、連結部材22に連結された把持本体部18に対するレバー19の方向と同方向とされている。
【0022】
このような噴出部12においては、圧縮空気供給源11からホース16を介して供給された圧縮空気が把持本体部18の内部流路18aに導入され、レバー19の回動により開閉弁20が開かれることで、連結部材22の内部流路22aを介して噴出する。このとき、流量調整弁23が開状態にあると、エジェクタ(霧吹き)の原理により、吸引ホース25を介して容器24内の洗浄液Sが吸引され、圧縮空気とともにミスト状に噴出する。
【0023】
発泡部13は、噴出部12の連結部材22に連結されるケーシング32を有している。
【0024】
ケーシング32は、ネジ部材33とケーシング本体34と蓋部材35とシール部材36とを有している。
【0025】
ネジ部材33は、連結部材22の内部流路22aに連通する内部流路33aが形成された略円筒状をなしており、外周部の軸線方向両側にオネジ33bが形成され、連結部材22に一端側のオネジ33bにおいて螺合連結される。
【0026】
ケーシング本体34は、円盤状の底部38と大径円筒部39とを有する略有底円筒状をなしており、底部38の中心にネジ部材33の他端側のオネジ33bが螺合連結される。大径円筒部39の底部38に対し反対側の内周面にはメネジ39aが形成されている。
【0027】
蓋部材35は、外周面にオネジ40aが形成された円盤部40と、該円盤部40の中心に軸線方向に突出するように形成された小径円筒部41とを有している。そして、該小径円筒部41を外側にするようにしてそのオネジ40aにおいてケーシング本体34の大径円筒部39のメネジ39aに螺合される。
【0028】
シール部材36は、螺合されたケーシング本体34と蓋部材35との隙間をシールする。
【0029】
このケーシング32は、ネジ部材33が、噴出部12の連結部材22に連結される導入部43を構成しており、ケーシング本体34と蓋部材35の円盤部40とが、導入部43より流路断面積が大とされ該導入部43の噴出部12に対し反対側に配置される円筒状の拡大部44を構成しており、さらに、蓋部材35の小径円筒部41が、拡大部44より流路断面積が小とされ該拡大部44の導入部43に対し反対側に配置される円筒状の導出部45を構成している。これにより、導出部45は外部に開口する筒状をなすことになる。ここで、これら導入部43、拡大部44および導出部45は、互いに連通状態で同軸に配置されている。
【0030】
発泡部13は、さらに、ケーシング32の拡大部44内に収納される多孔質部材47と、拡大部44における多孔質部材47の導出部45側に空間を形成する空間形成部材48と、拡大部44における多孔質部材47の導入部43側に空間を形成する空間形成部材46とを有している。
【0031】
多孔質部材47は、スポンジ、軽石、焼結金属あるいは布等の通気性を有するもので、拡大部44の内径とほぼ同径をなすとともに、拡大部44の軸線方向長さより短くされていて、拡大部44内の軸線方向における中間部に配置される。
【0032】
空間形成部材46,48は、多孔質部材47より大幅に粗なものであり、具体的には、樹脂あるいは金属の糸状部材を固めて立体構造物としたもの、樹脂あるいは金属をコイル状に形成して立体構造物としたもの、樹脂あるいは金属の網を複数重ね合わせて立体構造物としたもの等からなる。
【0033】
空間形成部材46は、拡大部44の内径とほぼ同径をなすとともに、拡大部44の軸線方向長さより短くされていて、拡大部44内の導入部43側に、多孔質部材47と隣り合わせで配置される。
空間形成部材48は、拡大部44の内径とほぼ同径をなすとともに、拡大部44の軸線方向長さより短くされていて、拡大部44内の導出部45側に、多孔質部材47と隣り合わせで配置される。
【0034】
このような発泡部13は、噴出部12から圧縮空気とともにミスト状に噴出された洗浄液が、ケーシング32の導入部43に導入されると、導入部43から拡大部44に至る際に、導入部43より流路断面積が大とされた拡大部44で広げられ低速で多孔質部材47を圧縮空気とともに通過する。この時に圧縮空気と混ざり合い十分に発泡されたクリーム状の泡となる。そして、このようなクリーム状の泡が、拡大部44内で空間形成部材48により形成された空間から、該拡大部44より流路断面積が小とされた導出部45で高速とされて噴出させられる。このとき、円筒状の導出部45で方向性が与えられ、一定方向に遠くまで飛ぶことになる。なお、多孔質部材47が密であれば泡を細かくでき、多孔質部材47が粗であれば泡を粗くできる。
【0035】
以上に述べた発泡洗浄装置は、洗浄ガン15に取り付けられた容器本体28を必要に応じて蓋体29からの螺合を解除することにより取り外し、所望の洗浄液Sが注入された容器本体28を、該蓋体29に螺合させることで洗浄ガン15に取り付ける。そして、レバー19を回動させることで圧縮空気を導入させると、開状態の流量調整弁23から容器24内の洗浄液Sが吸引されて圧縮空気とともにミスト状に噴出し、発泡部13でクリーム状の泡とされて導出部45から噴出される。使用者が洗浄ガン15そのものの向きを変えることで導出部45の向きを変え、泡となった洗浄液の噴出方向を変えることになる。
【0036】
ここで、流量調整弁23で洗浄液Sの流量を調整することにより、泡の発生量を調整することができ、また、導入させる圧縮空気の流量を調整することにより、泡の発生量と噴出距離とを調整することができる。
【0037】
なお、容器24の蓋体29に設けられた連通孔30は、洗浄液Sの減少に伴って外気を容器24内に導入させるものであるが、ケーシング32内に目詰まり等が発生した場合には、圧縮空気が流量調整弁23から吸引ホース25を介してこの連通孔30から外気に逃げることになり、その結果、ケーシング32の破裂等を防止する。ケーシング32内に目詰まりが生じた場合はケーシング本体34に対し着脱自在とされた蓋部材35を外して目詰まりを解消する。
【0038】
以上に述べた発泡洗浄装置によれば、噴出部12から噴出されたミスト状の洗浄液が圧縮空気とともに発泡部13のケーシング32の導入部43に導入されると、該導入部43より流路断面積が大とされた拡大部44で広げられ低速で多孔質部材47を圧縮空気とともに通過する。この時に圧縮空気と混ざり合い十分に発泡されたクリーム状の泡となる。そして、このようなクリーム状の泡が、該拡大部44より流路断面積が小とされた導出部45で高速とされて噴出させられる。したがって、洗浄液を十分に発泡させることができる。しかも、上記ケーシング32と多孔質部材47とを有する発泡部13を噴出部12に設けるだけでよいため、非常にコンパクトにできる。
【0039】
また、拡大部44の多孔質部材47を通過することで十分に発泡されたクリーム状の泡が、空間形成部材48で形成された空間を通過することで、つぶれることなく発泡状態が保たれ、導出部45から噴出させられる。したがって、洗浄液を十分に発泡させた状態のまま噴出させることができる。
【0040】
加えて、導出部45から外部に噴出させられるクリーム状の泡は、該導出部45が筒状をなすため方向性が与えられ、その結果、該泡を一定方向に遠くまで飛ばすことができる。
【0041】
さらに、容器本体28が噴出部12に対し着脱自在であるため、使用中の容器本体28を所望の洗浄液が入った容器本体28と交換するだけで洗浄液の種類を簡単に変更できる。
【0042】
【発明の効果】
以上詳述したように、本発明の請求項1記載の発泡洗浄装置によれば、噴出手段から噴出されたミスト状の洗浄液が圧縮ガスとともに発泡手段のケーシングの導入部に導入されると、該導入部より流路断面積が大とされた拡大部で広げられ低速で多孔質部材を圧縮ガスとともに通過する。この時に圧縮ガスと混ざり合い十分に発泡されたクリーム状の泡となる。そして、このようなクリーム状の泡が、該拡大部より流路断面積が小とされた導出部で高速とされて噴出させられる。したがって、洗浄液を十分に発泡させることができる。しかも、上記ケーシングと多孔質部材とを有する発泡手段を噴出手段に設けるだけでよいため、非常にコンパクトにできる。
【0043】
また、拡大部の多孔質部材を通過することで十分に発泡されたクリーム状の泡が、空間形成部材で形成された空間を通過することで、つぶれることなく発泡状態が保たれ、導出部から噴出させられる。したがって、洗浄液を十分発泡させた状態のまま噴出させることができる。
【0044】
また、導出部から外部に噴出させられるクリーム状の泡は、該導出部が筒状をなすため方向性が与えられる。したがって、該泡を、一定方向に遠くまで飛ばすことができる。
【図面の簡単な説明】
【図1】 本発明の一の実施の形態に係る発泡洗浄装置を示す一部を断面とした側面図である。
【符号の説明】
12 噴出部(噴出手段)
13 発泡部(発泡手段)
32 ケーシング
43 導入部
44 拡大部
45 導出部
47 多孔質部材
48 空間形成部材
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a foam cleaning apparatus that foams and ejects a cleaning liquid.
[0002]
[Prior art]
A foaming cleaning apparatus that foams and jets a cleaning liquid is used for various cleaning applications such as a car wash. This foaming cleaning device can improve the cleaning performance by allowing the cleaning target to remain in the cleaning object for a long time by foaming the cleaning solution, and has no influence on the work environment like the cleaning device that ejects the cleaning solution in a mist form. It is very good.
[0003]
[Problems to be solved by the invention]
However, in the conventional foam cleaning apparatus, there is a problem that what can sufficiently foam the cleaning liquid is very large. On the other hand, the small foam cleaning apparatus has a problem that the cleaning liquid cannot be sufficiently foamed and the cleaning performance cannot be secured.
[0004]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a foam cleaning apparatus that can sufficiently foam a cleaning liquid and that can be miniaturized.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a foam cleaning apparatus according to claim 1 of the present invention comprises a jetting means for jetting a cleaning liquid into a mist state by introducing a compressed gas, and a mist-like cleaning liquid jetted from the jetting means. Foaming means for foaming the foaming means, the foaming means being connected to the ejection means side, the flow passage cross-sectional area being larger than the introduction part, and the side opposite to the ejection means of the introduction part an enlarged portion disposed, a casing having an outlet portion you open to the outside flow path cross-sectional area than the enlarged portion is disposed opposite to said inlet portion of said enlarged portion is small, the enlargement A foam cleaning apparatus having a porous member housed in a part, wherein the casing includes a screw member having a substantially cylindrical shape with a male screw formed at an end, a disc-shaped bottom part, and a large-diameter cylindrical part. The large-diameter cylindrical portion having a substantially bottomed cylindrical shape A casing main body in which a female screw is formed on the inner peripheral surface opposite to the bottom portion and a male screw of the screw member is screwed and connected to the center of the bottom portion, and a disk portion and a center portion of the disk portion project in the axial direction A small-diameter cylindrical portion formed so as to have a lid member that is screwed into the female screw of the casing body at the external thread of the outer peripheral surface of the disk portion, and the screw member constitutes the introduction portion, The casing body and the disk portion of the lid member constitute the enlarged portion, and the small-diameter cylindrical portion of the lid member constitutes the lead-out portion, and the enlarged portion is disposed at an axially intermediate portion of the enlarged portion. The porous member that is shorter than the axial length is disposed, a space forming member that forms a space on the lead-out portion side of the porous member in the enlarged portion is disposed, and the introduction of the porous member in the enlarged portion Space on the side The space forming member to be formed is disposed, and the space forming member is a solid structure obtained by solidifying a resin or metal thread-like member, a solid structure formed by forming a resin or metal in a coil shape, It is characterized in that it is any one of a three-dimensional structure formed by overlapping a plurality of resin or metal nets .
[0006]
As a result, when the mist-like cleaning liquid ejected from the ejection means is introduced together with the compressed gas into the introduction part of the casing of the foaming means, it is widened at the enlarged part where the flow passage cross-sectional area is larger than the introduction part, and at low speed. Pass through the porous member with compressed gas. At this time, it becomes a creamy foam which is mixed with the compressed gas and sufficiently foamed. Then, such cream-like foam is jetted out at a high speed in the outlet part having a smaller channel cross-sectional area than the enlarged part. Therefore, the cleaning liquid can be sufficiently foamed. In addition, since the foaming means having the casing and the porous member need only be provided in the ejection means, it can be made very compact.
[0008]
In addition , the cream-like foam that is sufficiently foamed by passing through the porous member of the enlarged portion passes through the space formed by the space forming member, so that the foamed state is maintained without being crushed. It is made to erupt. Therefore, the cleaning liquid can be ejected while being sufficiently foamed.
[0010]
In addition , the cream-like foam ejected to the outside from the outlet part is given directionality because the outlet part has a cylindrical shape. Therefore, the bubbles can be blown far away in a certain direction.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
A foam cleaning apparatus according to an embodiment of the present invention will be described below with reference to FIG.
[0012]
The foam cleaning apparatus includes a compressed air supply source 11 such as an air compressor that supplies compressed air (compressed gas), and an ejection unit that ejects cleaning liquid in a mist form when the compressed air is introduced from the compressed air supply source 11. (Ejecting means) 12 and a foaming part (foaming means) 13 for foaming the mist-like cleaning liquid ejected from the ejecting part 12.
[0013]
The ejection part 12 and the foaming part 13 are integrated to form a cleaning gun 15, and the cleaning gun 15 is connected to the compressed air supply source 11 via a flexible hose 16.
[0014]
The ejection portion 12 has one end connected to the hose 16 and a grip body 18 that is gripped by an operator's hand, and a lever 19 that is rotatably supported by the grip body 18 within a predetermined angle range. And a biasing member (not shown) for biasing the lever 19.
[0015]
The grip body 18 includes an internal flow path 18a that communicates with the internal flow path 16a of the hose 16, and an on-off valve 20 that opens and closes the internal flow path 18a. The lever 19 is a biasing force of a biasing member. The on-off valve 20 is opened by being rotated toward the gripping body 18 against the above, while the lever 19 is opened and closed by being rotated in a direction away from the gripping body 18 by the biasing force of the biasing member. The valve 20 is closed.
[0016]
The ejection part 12 includes a connecting member 22 attached to the tip of the grip main body 18, a flow rate adjusting valve 23 attached to the connecting member 22, and a container 24 attached to the flow rate adjusting valve 23.
[0017]
The connecting member 22 has a substantially cylindrical shape, and an inner peripheral surface thereof serves as an internal flow path 22 a that can communicate with the internal flow path 18 a of the grip body 18.
[0018]
A flow rate adjusting valve 23 is connected to the connecting member 22 in the vertical direction from the middle of the internal flow path 22a.
[0019]
The flow rate adjusting valve 23 is connected to the internal flow path 22 a of the connecting member 22 on one side and the suction hose 25 on the other side, and the flow rate adjusting valve 23 is connected to the internal position according to the rotation position of the manual lever 26. The channel cross-sectional area of the channel 23a can be arbitrarily adjusted between fully closed and fully open.
[0020]
The container 24 includes a bottomed cylindrical container body 28 and a substantially disk-shaped lid body 29 that is detachably screwed into the opening side of the container body 28. A communication hole 30 is formed so as to always communicate with the outside air. The container 24 is attached to the lid 29 on the opposite side to the connecting member 22 of the flow rate adjustment valve 23, and the suction hose 25 attached to the flow rate adjustment valve 23 extends to the vicinity of the bottom of the container 24.
[0021]
The direction in which the flow rate adjusting valve 23 and the container 24 are attached to the connecting member 22 is the same as the direction of the lever 19 relative to the grip body 18 connected to the connecting member 22.
[0022]
In such an ejection part 12, the compressed air supplied from the compressed air supply source 11 via the hose 16 is introduced into the internal flow path 18 a of the grip body 18, and the opening / closing valve 20 is opened by the rotation of the lever 19. As a result, it is ejected through the internal flow path 22 a of the connecting member 22. At this time, if the flow rate adjusting valve 23 is in the open state, the cleaning liquid S in the container 24 is sucked through the suction hose 25 and ejected in a mist form together with the compressed air, according to the principle of an ejector (mist spray).
[0023]
The foaming part 13 has a casing 32 connected to the connecting member 22 of the ejection part 12.
[0024]
The casing 32 includes a screw member 33, a casing body 34, a lid member 35, and a seal member 36.
[0025]
The screw member 33 has a substantially cylindrical shape in which an internal flow path 33 a communicating with the internal flow path 22 a of the connecting member 22 is formed, and male screws 33 b are formed on both sides in the axial direction of the outer peripheral portion. The male screw 33b on the side is screwed together.
[0026]
The casing main body 34 has a substantially bottomed cylindrical shape having a disk-shaped bottom portion 38 and a large-diameter cylindrical portion 39, and a male screw 33 b on the other end side of the screw member 33 is screwed to the center of the bottom portion 38. . A female screw 39 a is formed on the inner peripheral surface opposite to the bottom 38 of the large-diameter cylindrical portion 39.
[0027]
The lid member 35 includes a disk portion 40 having a male screw 40a formed on the outer peripheral surface, and a small-diameter cylindrical portion 41 formed so as to protrude in the axial direction at the center of the disk portion 40. The small-diameter cylindrical portion 41 is externally threaded so that the male screw 40a is screwed into the female screw 39a of the large-diameter cylindrical portion 39 of the casing body 34.
[0028]
The seal member 36 seals the gap between the screwed casing body 34 and the lid member 35.
[0029]
In the casing 32, the screw member 33 constitutes an introduction portion 43 in which the connection member 22 of the ejection portion 12 is connected, and the casing main body 34 and the disk portion 40 of the lid member 35 are flow paths from the introduction portion 43. A cylindrical enlarged portion 44 having a large cross-sectional area and disposed on the opposite side to the ejection portion 12 of the introduction portion 43 is configured. Further, the small-diameter cylindrical portion 41 of the lid member 35 is formed from the enlarged portion 44. The flow passage cross-sectional area is small, and a cylindrical lead-out portion 45 disposed on the opposite side to the introduction portion 43 of the enlarged portion 44 is configured. Thereby, the derivation | leading-out part 45 makes | forms the cylinder shape opened outside. Here, the introduction part 43, the enlargement part 44, and the lead-out part 45 are arranged coaxially in communication with each other.
[0030]
The foamed portion 13 further includes a porous member 47 housed in the enlarged portion 44 of the casing 32, a space forming member 48 that forms a space on the lead-out portion 45 side of the porous member 47 in the enlarged portion 44, and an enlarged portion. 44 and a space forming member 46 that forms a space on the introduction portion 43 side of the porous member 47.
[0031]
The porous member 47 has air permeability such as sponge, pumice, sintered metal or cloth, has substantially the same diameter as the inner diameter of the enlarged portion 44, and is shorter than the axial length of the enlarged portion 44, It is arranged at an intermediate portion in the axial direction in the enlarged portion 44.
[0032]
The space forming members 46 and 48 are significantly coarser than the porous member 47. Specifically, a resin or metal thread-like member is solidified to form a three-dimensional structure, and the resin or metal is formed in a coil shape. And a three-dimensional structure, or a three-dimensional structure formed by overlapping a plurality of resin or metal nets.
[0033]
The space forming member 46 has substantially the same diameter as the inner diameter of the enlarged portion 44 and is shorter than the axial length of the enlarged portion 44, and is adjacent to the porous member 47 on the introduction portion 43 side in the enlarged portion 44. Be placed.
The space forming member 48 has substantially the same diameter as the inner diameter of the enlarged portion 44 and is shorter than the axial length of the enlarged portion 44, and is adjacent to the porous member 47 on the lead-out portion 45 side in the enlarged portion 44. Be placed.
[0034]
When the cleaning liquid ejected in a mist form together with the compressed air from the ejection part 12 is introduced into the introduction part 43 of the casing 32, the foaming part 13 is introduced when the introduction part 43 reaches the expansion part 44. It is widened by the enlarged portion 44 having a larger channel cross-sectional area than 43 and passes through the porous member 47 together with the compressed air at a low speed. At this time, it becomes a cream-like foam which is mixed with compressed air and sufficiently foamed. Then, such cream-like foam is ejected from the space formed by the space forming member 48 in the enlarged portion 44 at a high speed in the lead-out portion 45 whose flow path cross-sectional area is smaller than that of the enlarged portion 44. Be made. At this time, directionality is given by the cylindrical lead-out part 45, and it will fly far in a certain direction. If the porous member 47 is dense, the bubbles can be made fine, and if the porous member 47 is coarse, the bubbles can be made coarse.
[0035]
The foam cleaning apparatus described above removes the container main body 28 attached to the cleaning gun 15 by releasing the screwing from the lid 29 as necessary, and removes the container main body 28 into which the desired cleaning liquid S has been injected. Then, it is attached to the cleaning gun 15 by being screwed into the lid 29. When the compressed air is introduced by rotating the lever 19, the cleaning liquid S in the container 24 is sucked from the flow rate adjusting valve 23 in the open state, and is jetted in a mist shape together with the compressed air, and is creamy at the foaming portion 13. And are ejected from the outlet 45. When the user changes the direction of the cleaning gun 15 itself, the direction of the outlet 45 is changed, and the ejection direction of the cleaning liquid in the form of bubbles is changed.
[0036]
Here, the amount of foam generated can be adjusted by adjusting the flow rate of the cleaning liquid S with the flow rate adjusting valve 23, and the amount of foam generated and the ejection distance can be adjusted by adjusting the flow rate of the compressed air to be introduced. And can be adjusted.
[0037]
The communication hole 30 provided in the lid 29 of the container 24 is for introducing the outside air into the container 24 as the cleaning liquid S decreases, but in the case where clogging or the like occurs in the casing 32. Compressed air escapes from the communication hole 30 to the outside air from the flow rate adjusting valve 23 via the suction hose 25, and as a result, the casing 32 is prevented from being ruptured. When clogging occurs in the casing 32, the clogging is eliminated by removing the lid member 35 that is detachable from the casing body 34.
[0038]
According to the foam cleaning apparatus described above, when the mist-like cleaning liquid ejected from the ejection section 12 is introduced into the introduction section 43 of the casing 32 of the foam section 13 together with the compressed air, the flow path is cut off from the introduction section 43. It is widened by the enlarged portion 44 having a large area and passes through the porous member 47 together with the compressed air at a low speed. At this time, it becomes a cream-like foam which is mixed with compressed air and sufficiently foamed. Then, such cream-like foam is jetted out at a high speed by the lead-out part 45 whose flow path cross-sectional area is smaller than that of the enlarged part 44. Therefore, the cleaning liquid can be sufficiently foamed. In addition, since the foaming part 13 having the casing 32 and the porous member 47 need only be provided in the ejection part 12, it can be made very compact.
[0039]
Further, the foamed cream-like foam sufficiently foamed by passing through the porous member 47 of the enlarged portion 44 passes through the space formed by the space forming member 48, so that the foamed state is maintained without being crushed, It is ejected from the derivation unit 45. Therefore, the cleaning liquid can be ejected while being sufficiently foamed.
[0040]
In addition, the cream-like foam ejected to the outside from the lead-out part 45 is given directionality because the lead-out part 45 has a cylindrical shape, and as a result, the foam can be blown far away in a certain direction.
[0041]
Furthermore, since the container main body 28 is detachable from the ejection part 12, the type of the cleaning liquid can be easily changed simply by replacing the container main body 28 in use with the container main body 28 containing the desired cleaning liquid.
[0042]
【The invention's effect】
As described above in detail, according to the foam cleaning apparatus of the first aspect of the present invention, when the mist-like cleaning liquid ejected from the ejection means is introduced into the introduction portion of the casing of the foaming means together with the compressed gas, It is widened at the enlarged portion where the cross-sectional area of the channel is larger than the introduction portion, and passes through the porous member together with the compressed gas at a low speed. At this time, it becomes a creamy foam which is mixed with the compressed gas and sufficiently foamed. Then, such cream-like foam is jetted out at a high speed in the outlet part having a smaller channel cross-sectional area than the enlarged part. Therefore, the cleaning liquid can be sufficiently foamed. In addition, since the foaming means having the casing and the porous member need only be provided in the ejection means, it can be made very compact.
[0043]
In addition , the cream-like foam that is sufficiently foamed by passing through the porous member of the enlarged portion passes through the space formed by the space forming member, so that the foamed state is maintained without being crushed. It is made to erupt. Therefore, the cleaning liquid can be ejected while being sufficiently foamed.
[0044]
In addition , the cream-like foam ejected to the outside from the outlet part is given directionality because the outlet part has a cylindrical shape. Therefore, the bubbles can be blown far away in a certain direction.
[Brief description of the drawings]
FIG. 1 is a side view, partly in section, showing a foam cleaning apparatus according to an embodiment of the present invention.
[Explanation of symbols]
12 Spouting part (spouting means)
13 Foaming part (foaming means)
32 casing 43 introduction part 44 enlargement part 45 lead-out part 47 porous member 48 space forming member

Claims (1)

圧縮ガスが導入されることにより洗浄液をミスト状に噴出させる噴出手段と、
該噴出手段から噴出させられるミスト状の洗浄液を発泡させる発泡手段とを有し、
前記発泡手段は、
前記噴出手段側に連結される導入部と、該導入部より流路断面積が大とされ該導入部の前記噴出手段に対し反対側に配置される拡大部と、該拡大部より流路断面積が小とされ該拡大部の前記導入部に対し反対側に配置されて外部に開口する導出部とを有するケーシングと、
前記拡大部内に収納される多孔質部材とを有する発泡洗浄装置であって、
前記ケーシングは、
端部にオネジが形成された略円筒状をなすネジ部材と、
円盤状の底部と大径円筒部とを有する略有底円筒状をなし前記大径円筒部の前記底部に対し反対側の内周面にメネジが形成されるとともに前記底部の中心に前記ネジ部材のオネジが螺合連結されるケーシング本体と、
円盤部と該円盤部の中心に軸線方向に突出するように形成された小径円筒部とを有し前記円盤部の外周面のオネジにおいて前記ケーシング本体のメネジに螺合される蓋部材とを有し、
前記ネジ部材が前記導入部を構成し、前記ケーシング本体と前記蓋部材の前記円盤部とが前記拡大部を構成し、前記蓋部材の前記小径円筒部が前記導出部を構成していて、
前記拡大部の軸方向中間部に該拡大部の軸線方向長さより短い前記多孔質部材が配置され、前記拡大部における前記多孔質部材の前記導出部側に空間を形成する空間形成部材が配置され、前記拡大部における前記多孔質部材の前記導入部側に空間を形成する空間形成部材が配置されており、
前記空間形成部材は、樹脂あるいは金属の糸状部材を固めて立体構造物としたもの、樹脂あるいは金属をコイル状に形成して立体構造物としたもの、樹脂あるいは金属の網を複数重ね合わせて立体構造物としたもの、のうちのいずれか一つであることを特徴とする発泡洗浄装置。
Jetting means for jetting the cleaning liquid into a mist by introducing the compressed gas;
Foaming means for foaming the mist-like cleaning liquid ejected from the ejection means,
The foaming means is
An introduction portion connected to the ejection means side, an enlarged portion having a flow passage cross-sectional area larger than the introduction portion and arranged on the opposite side of the introduction portion with respect to the ejection means, and a flow passage cut off from the enlargement portion a casing having an outlet portion you open to the outside area is arranged opposite to said inlet portion of said enlarged portion is small,
A foam cleaning device having a porous member housed in the enlarged portion ,
The casing is
A screw member having a substantially cylindrical shape with a male screw formed at the end;
A substantially bottomed cylindrical shape having a disk-shaped bottom portion and a large-diameter cylindrical portion is formed, and a female screw is formed on the inner peripheral surface opposite to the bottom portion of the large-diameter cylindrical portion, and the screw member is formed at the center of the bottom portion. A casing body to which the male screw is screwed,
A disk portion and a small-diameter cylindrical portion formed so as to protrude in the axial direction at the center of the disk portion, and a lid member that is screwed to the female screw of the casing body at the external thread of the outer peripheral surface of the disk portion. And
The screw member constitutes the introduction portion, the casing body and the disk portion of the lid member constitute the enlarged portion, and the small diameter cylindrical portion of the lid member constitutes the lead-out portion,
The porous member that is shorter than the axial length of the enlarged portion is disposed in the axially intermediate portion of the enlarged portion, and a space forming member that forms a space on the outlet portion side of the porous member in the enlarged portion is disposed. A space forming member that forms a space on the introduction portion side of the porous member in the enlarged portion is disposed;
The space forming member is a three-dimensional structure formed by solidifying a resin or metal thread-like member, a three-dimensional structure formed by forming a resin or metal in a coil shape, and a plurality of resin or metal nets stacked in three dimensions. A foam cleaning apparatus characterized by being one of the structures .
JP2000174397A 2000-06-09 2000-06-09 Foam cleaning equipment Expired - Lifetime JP4485021B2 (en)

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JP4985464B2 (en) * 2008-02-26 2012-07-25 Necアクセステクニカ株式会社 Automatic cleaning system for portable terminal equipment
US8820585B1 (en) * 2013-03-15 2014-09-02 Pibed Limited Foam dispenser with a porous foaming element
KR101452624B1 (en) 2013-03-25 2014-10-22 한림기계 주식회사 Bubble spray apparatus of automatic car washing machine
JP6080657B2 (en) * 2013-04-04 2017-02-15 有限会社ガリュー Fluid ejection gun
JP6627719B2 (en) * 2016-11-01 2020-01-08 株式会社ダイフク Foaming device and car washer equipped with foaming device

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