JP2011177634A - Atomizer - Google Patents
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Abstract
Description
本発明はポンプ式の噴霧器に関する。 The present invention relates to a pump type sprayer.
ポンプから流出する液体をノズル先端部で旋回させつつ吐出させることで霧化させる噴霧器が知られている(特許文献1)。 There is known a sprayer that atomizes a liquid flowing out from a pump by discharging it while swirling at a nozzle tip (Patent Document 1).
しかしながら、従来技術は、噴霧量が0.5mlを超えるような大容量のポンプ式噴霧器では作動荷重(押下げ式ポンプでは押下げ圧)が高く、使用者の負担となっていた。 However, according to the prior art, a large-capacity pump-type sprayer with a spray amount exceeding 0.5 ml has a high operating load (a pressing pressure in a push-down pump), which is a burden on the user.
本発明は、上記課題を解決するためになされたもので、噴霧量が大容量であっても小さい作動荷重で噴霧可能な噴霧器を提供することを目的とする。 The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a sprayer capable of spraying with a small operating load even when the spray amount is large.
上記課題を解決するために、本発明は、ポンプのノズルヘッド4に連通するノズル筒40の先端部に噴口43を形成すると共に、該噴口43へ底面を開口する旋回室27を設け、
前記旋回室側面から該旋回室内へ流入した液体が旋回流形成可能に、かつ前記旋回室の天面から流入した液体が旋回流に衝突可能に設けたことを特徴とする。
In order to solve the above-mentioned problem, the present invention provides a swirl chamber 27 having a nozzle hole 43 formed at the tip of a nozzle cylinder 40 communicating with the nozzle head 4 of the pump and having a bottom surface opened to the nozzle hole 43.
The liquid flowing into the swirl chamber from the side of the swirl chamber is provided so that a swirl flow can be formed, and the liquid flowing from the top surface of the swirl chamber can collide with the swirl flow.
また、本発明は、 ポンプのノズルヘッド4から突出する吐出筒5へ連結された連結筒10と、
下面を閉塞壁21で閉塞した筒体22の下部外面を上向き段部22aを介して大外径部24に形成すると共に、上向き段部22a上面に径方向へ延びる突条25を形成し、さらに閉塞壁21の上半部に吐出孔23を穿設すると共に、筒体22の小外径部26を連結筒10内へ挿入して、小外径部26外面と連結筒10内面との間に流路Rを形成すると共に、突条25を連結筒10の下端面へ当接させ、さらに筒体22の閉塞壁21の下半部に凹部からなる旋回室27を形成して、該旋回室天面27bへ前記吐出孔23を開口させると共に、大外径部24に軸方向へ延びて前記流路Rに連通する流路形成溝28を形成し、流路形成溝28の下端を前記旋回室27側面へ開口させた流路形成筒20と、
下端面が閉塞壁41で閉塞された筒壁42を流路形成筒20の大外径部24外面と連結筒10の下端部外面とのそれぞれへ嵌合させると共に、閉塞壁41上面を旋回室27の底面へ当接させ、さらに閉塞壁41に旋回室27へ連通する噴口43を穿設させたノズル筒40とを備え、
前記旋回室27側面から該旋回室内へ流入した液体が旋回流形成可能に、かつ前記旋回室の天面27bから流入した直進流の液体が旋回流に衝突可能に設けたことを特徴とする。
The present invention also includes a connecting cylinder 10 connected to a discharge cylinder 5 protruding from the nozzle head 4 of the pump,
A lower outer surface of the cylindrical body 22 whose lower surface is closed by the blocking wall 21 is formed on the large outer diameter portion 24 via the upward step portion 22a, and a ridge 25 extending in the radial direction is formed on the upper surface of the upward step portion 22a. A discharge hole 23 is formed in the upper half of the blocking wall 21 and a small outer diameter portion 26 of the cylindrical body 22 is inserted into the connecting cylinder 10 so that the outer surface of the small outer diameter section 26 and the inner surface of the connecting cylinder 10 are interposed. In addition, a flow path R is formed on the lower end surface of the connecting cylinder 10, and a swirl chamber 27 formed of a recess is formed in the lower half of the blocking wall 21 of the cylindrical body 22. The discharge hole 23 is opened to the chamber top surface 27b, the flow path forming groove 28 extending in the axial direction and communicating with the flow path R is formed in the large outer diameter portion 24, and the lower end of the flow path forming groove 28 is A flow path forming cylinder 20 opened to the side of the swirl chamber 27;
The cylindrical wall 42 whose lower end surface is blocked by the blocking wall 41 is fitted to the outer surface of the large outer diameter portion 24 of the flow path forming tube 20 and the outer surface of the lower end portion of the connecting tube 10, and the upper surface of the blocking wall 41 is swirled. A nozzle cylinder 40 that is in contact with the bottom surface of the nozzle 27 and further has a nozzle 43 formed in the closed wall 41 that communicates with the swirl chamber 27;
The liquid flowing from the side of the swirl chamber 27 into the swirl chamber is capable of forming a swirl flow, and the straight liquid flowing from the top surface 27b of the swirl chamber is provided so as to be able to collide with the swirl flow.
さらに、本発明は、前記流路形成筒20の吐出孔23から前記旋回室天面の中央部へ液体を噴出させることを特徴とする。 Furthermore, the present invention is characterized in that liquid is ejected from the discharge hole 23 of the flow path forming cylinder 20 to the central portion of the top surface of the swirl chamber.
さらに、本発明は、前記流路形成筒20の吐出孔23から前記旋回室27内へ噴出する液体は直進流であることを特徴とする。 Furthermore, the present invention is characterized in that the liquid ejected from the discharge hole 23 of the flow path forming cylinder 20 into the swirl chamber 27 is a straight flow.
さらに、本発明は、前記旋回室27近傍の流路形成溝28部分に、ポンプからの液体を前記旋回室27の弯曲状周面へ導く方向へ案内する傾斜面29a、29bを設けたことを特徴とする。 Further, in the present invention, inclined surfaces 29 a and 29 b for guiding the liquid from the pump to the curved peripheral surface of the swirl chamber 27 are provided in the flow path forming groove 28 in the vicinity of the swirl chamber 27. Features.
本発明は、ノズル筒に設けた、液体を旋回させるための旋回室内にポンプから吐出する液体を噴出させるため、ノズル筒の噴口から吐出する際に液体が分裂し易く、かつ液体に吐出方向への圧力が付与されるため、液体が霧化され易く、このため作動荷重を小さくすることができる。 In the present invention, since the liquid discharged from the pump is ejected into the swirl chamber provided in the nozzle cylinder for swirling the liquid, the liquid is easily divided when ejected from the nozzle hole of the nozzle cylinder, and the liquid is ejected in the ejection direction. Since the pressure is applied, the liquid is easily atomized, and the operating load can be reduced.
以下に本発明の実施の形態について、図面を参照しながら詳細に説明する。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
1は図示しない容器へ装着されるポンプで、容器内へ垂下されるシリンダ2を装着筒3を介して図示しない容器の口頸部へ固定すると共に、シリンダ2から上方付勢状態で起立するピストン付きステム(図示せず)へノズルヘッド4を嵌合させ、さらにノズルヘッド4からステムへ連通する吐出筒5を前方へ突設する。 Reference numeral 1 denotes a pump mounted on a container (not shown), which fixes a cylinder 2 suspended in the container to a mouth and neck portion of a container (not shown) via a mounting cylinder 3 and stands upright from the cylinder 2 in an upward biased state. The nozzle head 4 is fitted to an attached stem (not shown), and a discharge cylinder 5 communicating from the nozzle head 4 to the stem is projected forward.
10は連結筒で、後端部を吐出筒5外面へ嵌合させると共に、前端部を下方へ屈曲させている。 Reference numeral 10 denotes a connecting cylinder, which has a rear end portion fitted to the outer surface of the discharge cylinder 5 and a front end portion bent downward.
20は流路形成筒で、下面を閉塞壁21で閉塞した円筒体22の下部外面を上向き段部22aを介して大外径部24に形成して、上向き段部22a上面に径方向へ延びる複数(本実施形態では4個)の突条25を等しい円周角度をおいて形成すると共に、閉塞壁21の中央上半部に吐出孔23を穿設し、さらに図2に示すように円筒体22の小外径部26を連結筒10内へ挿入して、小外径部26外面と連結筒10内面との間に流路Rを形成する。 Reference numeral 20 denotes a flow path forming cylinder, in which a lower outer surface of a cylindrical body 22 whose lower surface is blocked by a blocking wall 21 is formed as a large outer diameter portion 24 via an upward step portion 22a, and extends radially to the upper surface of the upward step portion 22a. A plurality (four in the present embodiment) of ridges 25 are formed at equal circumferential angles, and a discharge hole 23 is formed in the upper half of the center of the blocking wall 21. Further, as shown in FIG. The small outer diameter portion 26 of the body 22 is inserted into the connecting cylinder 10 to form a flow path R between the outer surface of the small outer diameter section 26 and the inner surface of the connecting cylinder 10.
さらに、円筒体22の閉塞壁21の中央下半部に円形状の凹部からなる旋回室27を形成して、該旋回室天面27bへ吐出孔23を開口させると共に、大外径部24に軸方向へ延びる左右一対の流路形成溝28を軸対称に形成する。流路形成溝28は大外径部24の上下両端面の外周部に達していて、大外径部24上面に達する流路形成溝28は突条25間に開口する。 Further, a swirl chamber 27 made of a circular recess is formed in the central lower half of the closed wall 21 of the cylindrical body 22, and the discharge hole 23 is opened to the swirl chamber top surface 27 b, and the large outer diameter portion 24 is formed. A pair of left and right flow path forming grooves 28 extending in the axial direction is formed symmetrically. The flow path forming groove 28 reaches the outer peripheral portions of the upper and lower end surfaces of the large outer diameter portion 24, and the flow path forming groove 28 reaching the upper surface of the large outer diameter portion 24 opens between the protrusions 25.
一方、大外径部24の下面に達する流路形成溝28は旋回室27の周面に開口する。そして、図3に示すように左側の流路形成溝28における旋回室27近傍部分の上面は傾斜面29aに、かつ右側の流路形成溝28における旋回室27近傍部分の下面は傾斜面29bに、それぞれ形成することで、左側の流路形成溝28から旋回室27へ流入する液体は旋回室27の下側の弯曲面に衝突するように、また右側の流路形成溝28から旋回室27へ流入する液体は旋回室27の上側の弯曲面に衝突するようにして旋回流を形成させることで旋回室27の内周面沿いに液膜が形成されるようにする。 On the other hand, the flow path forming groove 28 reaching the lower surface of the large outer diameter portion 24 opens to the circumferential surface of the swirl chamber 27. As shown in FIG. 3, the upper surface of the left flow passage forming groove 28 in the vicinity of the swirl chamber 27 is an inclined surface 29a, and the lower surface of the right flow passage forming groove 28 in the vicinity of the swirl chamber 27 is an inclined surface 29b. By forming each, the liquid flowing into the swirl chamber 27 from the left flow path forming groove 28 collides with the lower curved surface of the swirl chamber 27 and from the right flow path forming groove 28 to the swirl chamber 27. The liquid flowing into the swirl chamber 27 collides with the upper curved surface of the swirl chamber 27 to form a swirl flow so that a liquid film is formed along the inner peripheral surface of the swirl chamber 27.
40はノズル筒で、連結筒10外面へ嵌合させた筒壁42の下端面を閉塞する閉塞壁41上面を流路形成筒の閉塞壁21下面(旋回室27の底面)へ当接させ、さらに閉塞壁41中央部に旋回室27へ連通する噴口43を穿設させている。 40 is a nozzle cylinder, and the upper surface of the blocking wall 41 closing the lower end surface of the cylinder wall 42 fitted to the outer surface of the connecting cylinder 10 is brought into contact with the lower surface of the blocking wall 21 of the flow path forming cylinder (the bottom surface of the swirl chamber 27). Further, a nozzle hole 43 communicating with the swirl chamber 27 is formed in the central portion of the blocking wall 41.
次に本実施形態の作用について説明する。
吐出するには、図2に示すように、連結筒10と流路形成筒20との間隙が形成する流路Rと流路形成溝28とが連通した状態でノズルヘッド4を押下げればよく、するとシリンダ2で加圧された液体が流路Rへ流入し、さらに流路形成溝28を介して旋回室27内へ流入して旋回流を形成しつつ吐出孔23からの直進流と衝突した後、噴口43から霧状に吐出する。
Next, the operation of this embodiment will be described.
In order to discharge, the nozzle head 4 may be pushed down in a state where the flow path R formed by the gap between the connecting cylinder 10 and the flow path forming cylinder 20 and the flow path forming groove 28 communicate with each other, as shown in FIG. Then, the liquid pressurized in the cylinder 2 flows into the flow path R, and further flows into the swirl chamber 27 through the flow path forming groove 28 to collide with the straight flow from the discharge hole 23 while forming a swirl flow. After that, the mist is discharged from the nozzle 43.
一方、連結筒10内の加圧流の一部は流路形成筒20内へ流入し、さらに吐出孔23を介して旋回室27の天面(上面)27bから旋回室27の中央部内へ直進流状に噴出して旋回流に衝突するため、旋回室27内の液体の分裂をさらに促進することが可能であり、霧化が容易になるため、ノズルヘッド4の押下げ力の低減化を図ることが可能である。 On the other hand, a part of the pressurized flow in the connecting cylinder 10 flows into the flow path forming cylinder 20, and further flows straight from the top surface (upper surface) 27 b of the swirl chamber 27 into the central portion of the swirl chamber 27 through the discharge hole 23. Since the liquid jets into a shape and collides with the swirling flow, it is possible to further promote the breakup of the liquid in the swirling chamber 27 and to facilitate atomization, thereby reducing the pressing force of the nozzle head 4. It is possible.
なお、吐出孔23の径については特に限定はないが、旋回室内の液体の分裂をできるだけ容易にすることが可能な範囲であればよく、最適の数値は液体の種類等を考慮して適宜に設定可能である。 The diameter of the discharge hole 23 is not particularly limited as long as it is within a range in which the liquid in the swirl chamber can be divided as easily as possible. The optimum numerical value is appropriately determined in consideration of the type of liquid and the like. It can be set.
本発明は、アルコール等の除菌用液体を噴霧可能なポンプ式の噴霧器の分野に利用することができる。 INDUSTRIAL APPLICATION This invention can be utilized for the field | area of the pump type sprayer which can spray liquids for disinfection, such as alcohol.
2 シリンダ
4 ノズルヘッド
10 連結筒
20 流路形成筒
22 筒体
23 吐出孔
24 大外径部
26 小外径部
27 旋回室
28 流路形成溝
40 ノズル筒
42 周壁
2 cylinder 4 nozzle head 10 connecting cylinder 20 flow path forming cylinder 22 cylinder 23 discharge hole 24 large outer diameter part 26 small outer diameter part 27 swirl chamber 28 flow path forming groove 40 nozzle cylinder 42 peripheral wall
Claims (5)
前記旋回室側面から該旋回室内へ流入した液体が旋回流形成可能に、かつ前記旋回室の天面27bから流入した液体が旋回流に衝突可能に設けたことを特徴とする噴霧器。 A nozzle hole 43 is formed at the tip of the nozzle cylinder 40 communicating with the nozzle head 4 of the pump, and a swirl chamber 27 having a bottom surface opened to the nozzle hole 43 is provided.
A sprayer characterized in that the liquid flowing from the side of the swirl chamber into the swirl chamber can form a swirl flow and the liquid flowing from the top surface 27b of the swirl chamber can collide with the swirl flow.
下面を閉塞壁21で閉塞した筒体22の下部外面を上向き段部22aを介して大外径部24に形成すると共に、上向き段部22a上面に径方向へ延びる突条25を形成し、さらに閉塞壁21の上半部に吐出孔23を穿設すると共に、筒体22の小外径部26を連結筒10内へ挿入して、小外径部26外面と連結筒10内面との間に流路Rを形成すると共に、突条25を連結筒10の下端面へ当接させ、さらに筒体22の閉塞壁21の下半部に凹部からなる旋回室27を形成して、該旋回室天面27bへ前記吐出孔23を開口させると共に、大外径部24に軸方向へ延びて前記流路Rに連通する流路形成溝28を形成し、流路形成溝28の下端を前記旋回室27側面へ開口させた流路形成筒20と、
下端面が閉塞壁41で閉塞された筒壁42を流路形成筒20の大外径部24外面と連結筒10の下端部外面とのそれぞれへ嵌合させると共に、閉塞壁41上面を旋回室27の底面へ当接させ、さらに閉塞壁41に旋回室27へ連通する噴口43を穿設させたノズル筒40とを備え、
前記旋回室27側面から該旋回室内へ流入した液体が旋回流形成可能に、かつ前記旋回室の天面27bから流入した液体が旋回流に衝突可能に設けたことを特徴とする噴霧器。 A connecting cylinder 10 connected to a discharge cylinder 5 protruding from the nozzle head 4 of the pump;
A lower outer surface of the cylindrical body 22 whose lower surface is closed by the blocking wall 21 is formed on the large outer diameter portion 24 via the upward step portion 22a, and a ridge 25 extending in the radial direction is formed on the upper surface of the upward step portion 22a. A discharge hole 23 is formed in the upper half of the blocking wall 21 and a small outer diameter portion 26 of the cylindrical body 22 is inserted into the connecting cylinder 10 so that the outer surface of the small outer diameter section 26 and the inner surface of the connecting cylinder 10 are interposed. In addition, a flow path R is formed on the lower end surface of the connecting cylinder 10, and a swirl chamber 27 formed of a recess is formed in the lower half of the blocking wall 21 of the cylindrical body 22. The discharge hole 23 is opened to the chamber top surface 27b, the flow path forming groove 28 extending in the axial direction and communicating with the flow path R is formed in the large outer diameter portion 24, and the lower end of the flow path forming groove 28 is A flow path forming cylinder 20 opened to the side of the swirl chamber 27;
The cylindrical wall 42 whose lower end surface is blocked by the blocking wall 41 is fitted to the outer surface of the large outer diameter portion 24 of the flow path forming tube 20 and the outer surface of the lower end portion of the connecting tube 10, and the upper surface of the blocking wall 41 is swirled. A nozzle cylinder 40 that is in contact with the bottom surface of the nozzle 27 and further has a nozzle 43 formed in the closed wall 41 that communicates with the swirl chamber 27;
A sprayer characterized in that the liquid flowing from the side of the swirl chamber 27 into the swirl chamber is capable of forming a swirl flow and the liquid flowing from the top surface 27b of the swirl chamber is capable of colliding with the swirl flow.
6. An inclined surface 29a, 29b for guiding the liquid from the pump to the curved peripheral surface of the swirl chamber 27 is provided in the flow path forming groove 28 in the vicinity of the swirl chamber 27. The atomizer described.
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CN110523179A (en) * | 2019-09-25 | 2019-12-03 | 南京唐壹信息科技有限公司 | One kind being used for site construction fugitive dust granular-layer duster |
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JP2014140616A (en) * | 2012-12-27 | 2014-08-07 | Yoshino Kogyosho Co Ltd | Syringe type ejection container |
JP2015123297A (en) * | 2013-12-27 | 2015-07-06 | 株式会社吉野工業所 | Syringe-type ejection container |
CN110523179A (en) * | 2019-09-25 | 2019-12-03 | 南京唐壹信息科技有限公司 | One kind being used for site construction fugitive dust granular-layer duster |
WO2021056310A1 (en) * | 2019-09-25 | 2021-04-01 | 南京唐壹信息科技有限公司 | Dust removal device for flying dust particle layer of site construction |
JP7520464B2 (en) | 2021-01-29 | 2024-07-23 | 株式会社吉野工業所 | Discharge Pump |
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