CN107350102B - Spray nozzle device - Google Patents
Spray nozzle device Download PDFInfo
- Publication number
- CN107350102B CN107350102B CN201710236107.XA CN201710236107A CN107350102B CN 107350102 B CN107350102 B CN 107350102B CN 201710236107 A CN201710236107 A CN 201710236107A CN 107350102 B CN107350102 B CN 107350102B
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- CN
- China
- Prior art keywords
- spray nozzle
- nozzle
- liquid
- spray
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
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- Nozzles (AREA)
Abstract
The subject of the invention is to provide can carry out the spray nozzle device of spraying and non-spraying control by controlling supply and the non-supply of a kind of fluid.The spray nozzle device is configured to include nozzle body (10), has the shell (11) connecting with gas supplying path (12)；Liquid jetting nozzle (20), setting is in the shell (11)；And spray nozzle (30), it is mounted slidably along the liquid jetting nozzle (20), the spray nozzle (30) includes the atomizing nozzle (34) that front end side is arranged in, the compression face (35) of base end side is set, and utilize the valve body (36) of the liquid spraying outlet (21) of the sliding position opening and closing liquid jetting nozzle (20) of spray nozzle (30), compression chamber (13) are formed at the shell (11), the compression chamber (13) makes the pressure of compressed gas act on the compression face (35), the spray nozzle (30) is pressed towards its front end side.
Description
Technical field
The present invention relates to the spray nozzle devices of the imperceptibility for liquid.
Background technique
In the past, to liquid apply pressure carry out it is spraying, so that it is generated the spray nozzle of subtle drop in various fields
To use.In particular, burning or coating, humidification field in, due to making liquid imperceptibility be the raising with performance and quality
Directly related principal element, thus develop the various methods for promoting imperceptibility.It is known that having empty to liquid additional high-pressure
Gas promotes the spray nozzle of the imperceptibility of drop (for example, referring to patent document 1).
Record such technology in the patent document 1: " a kind of spray nozzle device, consists of, in nozzle body
Front end side is provided with the spray nozzle with gas vent and liquid spraying outlet, and is provided with liquid supply driving portion, the liquid
Body supply driving portion supplies a liquid in the state of being connected to the liquid spraying outlet to be set at the nozzle body
Liquid flow path makes the liquid mist sprayed from the liquid spraying outlet using the gas sprayed from the gas vent of the spray nozzle
Change and make its ejection, constitute the liquid using the quantitative jet pump of the modifiable spray volume for adjusting liquid and supply driving portion ".It should
Spray nozzle device constitutes liquid by using the quantitative jet pump of the modifiable spray volume for adjusting liquid and supplies driving portion, Ke Yibian
More adjust the spray amount from liquid spraying outlet.
Patent document 1: Japanese Unexamined Patent Publication 2003-10738 bulletin
Summary of the invention
However, in spray nozzle device described in Patent Document 1, the problem is that, it is necessary to liquid is controlled respectively
The supply of supply and gas, the operation trouble for the user of spray nozzle device.That is, the use in spray nozzle device starts
When, the supply of liquid since the upstream side of liquid supply path, at the same time, it is necessary to be opened from the upstream side of gas supplying path
The supply of beginning gas.Otherwise at the end of the use of spray nozzle device, it is necessary to stop the supply of gas and liquid respectively.
The present invention is formed in view of above-mentioned actual conditions, and the subject of the invention is to provide can pass through one side's of control
The supply of fluid and non-supply carry out the spray nozzle device of spraying and non-spraying control.
In order to solve the above problems, spray nozzle device of the invention makes to spray gas and spray liquid interflow to be sprayed,
It is characterized in that, the spray nozzle device includes nozzle body, there is the shell connecting with gas supplying path；Liquid sprays
Nozzle is arranged in the shell；And spray nozzle, it is mounted slidably along the liquid jetting nozzle, the spray nozzle tool
Have: the atomizing nozzle of front end side being set, the compression face of base end side is set and is utilized described in the sliding position opening and closing of spray nozzle
The valve body of the ejiction opening of liquid jetting nozzle, is formed with compression chamber at the shell, and the compression chamber makes the pressure of compressed gas
Power acts on the compression face of the spray nozzle, and spray nozzle is pressed towards its front end side.
In this way, by the valve body for the ejiction opening for being opened and closed liquid jetting nozzle with the pressure using compressed gas, Ke Yitong
The supply and non-supply for only controlling compressed gas are crossed, the spraying and non-spraying control of the spray nozzle device is carried out.
In a preferred embodiment of the present invention, which is characterized in that the liquid jetting nozzle is formed as tubular, the spray nozzle
Be formed as the tubular for being embedded into the outside of liquid jetting nozzle, be formed between these liquid jetting nozzles and spray nozzle from institute
State the ejection path of the compressed gas of atomizing nozzle ejection.
In this way, by the ejection path for forming compressed gas between liquid jetting nozzle and spray nozzle, it can be from liquid
Compressed gas is sprayed around jetting nozzle, contacts it with liquid.In this way, making liquid by contacting liquid and compressed gas
Body is made fine to be sprayed.
In a preferred embodiment of the present invention, which is characterized in that interflow unit is provided at the valve body, the interflow is single
Member changes the direction of the ejection liquid from the liquid jetting nozzle to make itself and the ejection path via the compressed gas
Ejection gas interflow.
In this way, making to spray liquid by setting and spraying the interflow unit at gas interflow, can make to spray liquid collision spray
Gas out generates the small imperceptibility drop of partial size.
In a preferred embodiment of the present invention, which is characterized in that at least one party of the shell or liquid jetting nozzle with
The pressure unit that the spray nozzle presses towards base end side is provided between the spray nozzle.
In this way, the pressure unit that spray nozzle is pressed towards base end side by setting, can make valve body reliably abut liquid spray
The ejiction opening of delivery nozzle carrys out valve closing.
In a preferred embodiment of the present invention, which is characterized in that at least one party of the shell or liquid jetting nozzle with
The positioning unit for determining the sliding position of the spray nozzle is provided between the spray nozzle.
In this way, determining the positioning unit of the sliding position of spray nozzle, the spray of adjustable liquid jetting nozzle by setting
The separating distance of outlet and valve body controls spray amount.
According to the present invention it is possible to which spraying and non-spray can be carried out by controlling supply and the non-supply of a kind of fluid by providing
The spray nozzle device of the control of mist.
Detailed description of the invention
Fig. 1 is the exploded perspective view of the spray nozzle device of one embodiment of the present invention.
Fig. 2 is the stereoscopic figure of the spray nozzle device of one embodiment of the present invention.
Fig. 3 is the F3-F3 line cross-sectional view of Fig. 2 of the spray nozzle device of one embodiment of the present invention.
Fig. 4 is the cross-sectional view for showing the maximum spray form state of spray nozzle device of one embodiment of the present invention.
Fig. 5 is the cross-sectional view for showing the minimum state by spraying of spray nozzle device of one embodiment of the present invention.
Fig. 6 is the longitudinal cross-sectional side view for showing the front end of spray nozzle device of one embodiment of the present invention.
Specific embodiment
Hereinafter, a preferred embodiment of the invention shown in the drawings is described in detail using Fig. 1 to Fig. 6.This hair
Bright technical scope is not limited to embodiment shown in the drawings, can suitably change in the range of claims are recorded.
Fig. 1 shows the exploded perspective view of spray nozzle device of the invention, and it is vertical that Fig. 2 shows the appearances of the assembled state of Fig. 1
Body figure.Fig. 3 shows the cross-sectional view of the spray nozzle device of the invention shown in the F3-F3 line along Fig. 2.
As shown in Figure 1 to Figure 3, which includes nozzle body 10, has and connect with gas supplying path 12
Shell 11；Liquid jetting nozzle 20 is arranged in the shell 11；Spray nozzle 30 can be slided along the liquid jetting nozzle 20
It is arranged dynamicly；The cover 40 of shell 11 has the through hole 41 for exposing the spray nozzle 30；And (pressure is single for spring 50
An example of member), spray nozzle 30 is pressed towards its base end side.
In addition, in the present embodiment, if being in X direction upper direction towards the direction of cover 40 from nozzle body 10,
And it sets from cover 40 towards the direction of nozzle body 10 and always determines up and down direction as lower section.The X-direction and spray nozzle device
Axis direction it is synonymous.
Nozzle body 10 includes shell 11, is formed as bottomed tube；Gas supplying path 12, will be from compressed gas
The compressed gas of feed unit supply (not shown) is supplied in shell 11；And compression chamber 13, by the compressed gas of the supply
Body pressurization.The connection female threaded portion 14 connecting with cover 40 is formed at the internal perisporium of the shell 11, in shell 11 and lid
Spray nozzle 30 and spring 50 are contained between component 40.
Liquid jetting nozzle 20 is formed as tubular, has the outer peripheral surface 20a parallel with X-direction, is provided projectingly in shell 11
Lower center position at.The liquid jetting nozzle 20 has liquid spraying outlet 21, sprays liquid；And liquid supply path
22, liquid spraying outlet 21 will be transported to from the liquid of fluid supply unit supply (not shown).
Spray nozzle 30 includes the cylindrical portion 31 of upside (front end side)；The flange portion 32 of downside (base end side)；End plate 33,
It is opened and closed the front end of cylindrical portion 31；Multiple atomizing nozzles 34 are arranged at the end plate 33；Compression face 35 is arranged in flange portion 32
Lower surface；And valve body 36, utilize the liquid spraying outlet 21 of the sliding position opening and closing liquid jetting nozzle 20 of spray nozzle 30.
As shown in figure 3, valve body 36 is shaped generally as coniform, it is formed with the inclined taper in a manner of broadening from bottom to top
Face 36a (interflow unit).Tapered surface 36a be pressed in liquid spraying outlet 21 valve seat 21a and with its liquid is close abuts.Also,
The angle at the top of the valve body 36 is set to 20 degree or so.Tapered surface 36a inclines relative to X-direction with 10 degree or so
Tiltedly.
The outer diameter of cylindrical portion 31 is formed as smaller than the outer diameter of flange portion 32, and the outer peripheral surface 31a of cylindrical portion 31 is than flange portion 32
Outer peripheral surface 32a more in the inner part.Therefore, it is formed at outer peripheral surface 31a and the boundary position of outer peripheral surface 32a parallel with Y-direction
Cricoid plane 37.Also, outer peripheral surface 31a and outer peripheral surface 32a are parallel to the surface of X-direction.
Also, cylindrical portion 31 is identical with the inner diameter size of flange portion 32, is formed at spray nozzle 30 parallel with X-direction
Inner peripheral surface 30a.The internal diameter of the spray nozzle 30 is formed as bigger than the outer diameter of liquid jetting nozzle 20.As a result, in spray nozzle 30
The clearance D of the ejection path GP as compressed gas is formed between circumferential surface 30a and the outer peripheral surface 20a of liquid jetting nozzle 20.
Cover 40 includes through hole 41, and the cylindrical portion 31 of spray nozzle 30 passes through the through hole；Outer screw section 42 is connected,
The airtight screw engagement of connection female threaded portion 14 of itself and shell 11；And guide line 43, for indicating the connection outer screw section 42
In-position.
Be formed in the inner circumferential of through hole 41: the first sliding surface 41a is abutted with the outer peripheral surface 31a of cylindrical portion 31；With
Two sliding surface 41b are abutted with the outer peripheral surface 32a of flange portion 32.That is, these sliding surfaces are by executing for for 30 edge of spray nozzle
The oriented tasks that liquid jetting nozzle 20 slides can be slided in the state of forming clearance D towards up and down direction.
Also, the space S of receiving spring 50 is formed between spray nozzle 30 and cover 40.The space S is formed in directly
Between diameter the inner peripheral surface 41c smaller than the first sliding surface 41a and the outer peripheral surface 31a of cylindrical portion 31.
It is abutted in addition, being formed at the first sliding surface 41a and the boundary position of inner peripheral surface 41c with one end of spring 50
Bearing surface 44.Also, the sliding boundary for determining spray nozzle 30 is formed in the boundary of inner peripheral surface 41c and the second sliding surface 41b
The motion-stopping surface 45 (an example of positioning unit) of position.
The slidable movable area H of spray nozzle 30 is formed between the motion-stopping surface 45 and cricoid plane 37.This is movable
Region H can suitably be changed by adjusting connection outer screw section 42 and connecting the relative position of female threaded portion 14.Then, by true
Recognize the guide line 43 for indicating the in-position of connection outer screw section 42, the length of movable area H can be held.In figure 3 it is shown that
Form the situation of upside such two guide lines of guide line 43a and downside guide line 43b.
Spring 50 is arranged in around the outer peripheral surface 31a of cylindrical portion 31, and one end side and the bearing surface 44 of cover 40 support
It connects, another side is abutted with the cricoid plane 37 of spray nozzle 30.Spray nozzle 30 by the spring 5 apply pressure to downside (spray nozzle 30
Base end side).Therefore, the valve body 36 at spray nozzle 30 is arranged in be pressed in the valve seat 21a being formed at liquid spraying outlet 21
And with its liquid is close abuts.
In the following, being described in detail referring to on-off action of the Fig. 3 and Fig. 4 to spray nozzle device of the invention.Fig. 3 is to show
The sectional view of the closed state (valve body 36 is pressed in the state of valve seat 21a) of spray nozzle device.In the closed state, bullet is utilized
The elastic force of spring 50 make valve body 36 apply pressure to valve seat 21a and with its liquid is close abuts, thus liquid will not spray.
In contrast, Fig. 4 is that the side for the open state (state that valve body 36 is separated from valve seat 21a) for showing spray nozzle device is cutd open
View.In the open state, firstly, importing compressed gas from gas supplying path 12 to the compression chamber of shell 11 13.Then, sharp
Make the pressure rise in compression chamber 13 with the compressed gas of importing, which acts on compression face 35, so that spray nozzle 30 is upward
Direction sliding.Here, 30 slippage of spray nozzle is the amount of movable area H, and cricoid plane 37 is contacted with motion-stopping surface 45 to position.
With the sliding of the spray nozzle 30, valve body 36 rises, so that tapered surface 36a is separated with the amount of width W from valve seat 21a.Width W
Size it is corresponding with the length of movable area H, it is short by the way that movable area H to be set to, width W can be made to narrow to adjust liquid
Spray volume.
Fig. 5 is showed a state that: by making cover 40 enter shell 11 until the position of upside conducting wire 43a makes width
Degree W narrows, and the spray volume of liquid is set as minimum value.
As the condition for becoming the open state, for example, being set to the spray nozzle 30 in the compressed air pressure of 0.035MPa
Sliding, the minimum setting power of spring is set to 0.1257kg when stopping, and design upper spring sets pressure and is set to 0.4kg.And
And normal air pressure may be exemplified out 0.4MPa, minimum air pressure may be exemplified out 0.2MPa, and maximum hydraulic pressure can be with
Exemplify 0.4MPa.
In the following, being described in detail referring to Fig. 6 situation spraying to spray nozzle device of the invention.Compressed air is from formation
Clearance D between the inner peripheral surface 30a of spray nozzle 30 and the outer peripheral surface 20a of liquid jetting nozzle 20 is (referring to Fig. 3 to Fig. 5), with X
Direction sprays (the ejection path GP of compressed gas) in parallel.On the other hand, liquid is from being formed in tapered surface 36a and valve seat 21a
Between width W (referring to Fig. 4 or Fig. 5), be with the interflow unit for spraying gas interflow using the direction that sprays liquid is changed
Tapered surface 36a, the direction intersected towards the ejection path GP with compressed gas spray (liquid sprays path LP).
In this way, can make to spray liquid by the direction for being set as intersecting with gas emission direction by liquid emission direction
Collision sprays gas, generates the small imperceptibility drop of partial size.
According to the present invention, by having the liquid spraying outlet 21 for being opened and closed liquid jetting nozzle 20 using the pressure of compressed gas
Valve body 36, can be easy to carry out the spraying and non-spraying control of the spray nozzle device.That is, being sprayed in spray nozzle device
When, by supplying compressed gas, slide spray nozzle 30 upward, liquid spraying outlet 21 is open spraying to be formed.In contrast,
Spray nozzle device not by spraying when, need to only stop the supply of compressed gas, just make valve body 36 with valve seat 21a liquid is close abuts, thus
Also the ejection of stop liquid.In this way, the user of the spray nozzle device need to only control the supply and non-supply of compressed gas,
Without taking time and energy more.
Also, according to the present invention, by adjusting the relative position of cover 40 and shell 11, adjustable spray nozzle dress
The spray amount set.That is, the length for the movable area H that the size for becoming the width W of the ejiction opening of liquid is slided by spray nozzle 30 Lai
It determines, and the length of movable area H is set by the position of the motion-stopping surface 45 of cover 40.Therefore, by adjusting cover
40 with the relative position of shell 11, adjustable spraying amount can be easy.
Description of symbols:
10 nozzle bodies
11 shells
12 gas supplying paths
13 compression chambers
20 liquid jetting nozzles
21 liquid spraying outlets
22 liquid supply paths
30 spray nozzles
34 atomizing nozzles
35 compression faces
36 valve bodies
40 covers
41 through holes
50 springs
The ejection path of GP compressed gas
LP liquid sprays path
Claims (5)
1. a kind of spray nozzle device makes to spray gas and spray liquid interflow to be sprayed, which is characterized in that the spray nozzle dress
It sets and includes
Nozzle body has the shell connecting with gas supplying path；
Liquid jetting nozzle is arranged in the shell；And
Spray nozzle is mounted slidably along the liquid jetting nozzle,
The spray nozzle, which includes, to be arranged in the atomizing nozzle of front end side, the compression face of base end side is arranged in and utilizes spray nozzle
Sliding position is opened and closed the valve body of the ejiction opening of the liquid jetting nozzle,
It is formed with compression chamber at the shell, the compression chamber makes the pressure of compressed gas act on the compression of the spray nozzle
Face presses spray nozzle towards its front end side.
2. spray nozzle device as described in claim 1, which is characterized in that the liquid jetting nozzle is formed as tubular, described
Spray nozzle is formed as the tubular for being embedded into the outside of liquid jetting nozzle, is formed between these liquid jetting nozzles and spray nozzle
There is the ejection path of the compressed gas sprayed from the atomizing nozzle.
3. spray nozzle device as claimed in claim 2, which is characterized in that interflow unit is provided at the valve body, it is described
Interflow unit changes the direction of the ejection liquid from the liquid jetting nozzle to make itself and the spray via the compressed gas
The ejection gas of outbound path collaborates.
4. spray nozzle device as claimed any one in claims 1 to 3, which is characterized in that sprayed in the shell or liquid
The pressure unit that the spray nozzle presses towards base end side is provided between at least one party of nozzle and the spray nozzle.
5. spray nozzle device as claimed any one in claims 1 to 3, which is characterized in that sprayed in the shell or liquid
The positioning unit for determining the sliding position of the spray nozzle is provided between at least one party of nozzle and the spray nozzle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016084639A JP5946597B1 (en) | 2016-04-20 | 2016-04-20 | Spray nozzle device |
| JP2016-084639 | 2016-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107350102A CN107350102A (en) | 2017-11-17 |
| CN107350102B true CN107350102B (en) | 2019-06-14 |
Family
ID=56329508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710236107.XA Active CN107350102B (en) | 2016-04-20 | 2017-04-12 | Spray nozzle device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5946597B1 (en) |
| CN (1) | CN107350102B (en) |
| TW (1) | TWI631992B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022123652A1 (en) * | 2020-12-08 | 2022-06-16 | 宇都宮工業株式会社 | Jet nozzle for scum removal device, and water conduit provided with jet nozzle for scum removal device |
| CN114571745B (en) * | 2022-01-24 | 2023-10-17 | 昆明中天达玻璃钢开发有限公司 | Storage tank processing equipment |
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| CN202155279U (en) * | 2011-07-06 | 2012-03-07 | 国家***北京林业机械研究所 | High-pressure gas-free atomization glue applicator |
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| CN203711189U (en) * | 2013-12-11 | 2014-07-16 | 福州庆佳金属制品有限公司 | Gas-liquid mixing high-pressure spray gun |
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| JPS5252939Y2 (en) * | 1972-11-06 | 1977-12-01 | ||
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| US6595393B1 (en) * | 2002-01-07 | 2003-07-22 | Zarc International, Inc. | Spray delivery system and method for aerosol products |
| DE10250531A1 (en) * | 2002-10-29 | 2004-05-19 | ITW Oberflächentechnik GmbH & Co. KG | Spray coating device for coating liquid |
| GB0521064D0 (en) * | 2005-10-18 | 2005-11-23 | Reckitt Benckiser Uk Ltd | Spraying device |
| TWM313022U (en) * | 2006-08-28 | 2007-06-01 | Ching-Yu Shu | Pressure adjustable and leak-proof nozzle |
| FR2977573B1 (en) * | 2011-07-06 | 2013-08-16 | Rexam Dispensing Sys | PUSH BUTTON FOR A SYSTEM FOR DISTRIBUTING A PRESSURIZED PRODUCT |
| JP5917925B2 (en) * | 2012-01-27 | 2016-05-18 | 武蔵エンジニアリング株式会社 | Droplet forming apparatus and droplet forming method |
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2016
- 2016-04-20 JP JP2016084639A patent/JP5946597B1/en active Active
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- 2017-04-12 CN CN201710236107.XA patent/CN107350102B/en active Active
- 2017-04-19 TW TW106113027A patent/TWI631992B/en active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1504863A (en) * | 1975-04-23 | 1978-03-22 | Pook F | Spray guns |
| CN2875606Y (en) * | 2005-12-13 | 2007-03-07 | 贵阳铝镁设计研究院 | Nozzle device |
| CN201913021U (en) * | 2010-08-30 | 2011-08-03 | 天津渤海环保工程有限公司 | Novel atomization spray nozzle |
| CN202155279U (en) * | 2011-07-06 | 2012-03-07 | 国家***北京林业机械研究所 | High-pressure gas-free atomization glue applicator |
| CN202398455U (en) * | 2011-09-30 | 2012-08-29 | 北京北机机电工业有限责任公司 | Jetting mechanism |
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| CN203711189U (en) * | 2013-12-11 | 2014-07-16 | 福州庆佳金属制品有限公司 | Gas-liquid mixing high-pressure spray gun |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017192899A (en) | 2017-10-26 |
| CN107350102A (en) | 2017-11-17 |
| JP5946597B1 (en) | 2016-07-06 |
| TW201741030A (en) | 2017-12-01 |
| TWI631992B (en) | 2018-08-11 |
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