CN202823694U - External-mix type adjustable low-dispersion atomizing spray gun and spraying assembly thereof - Google Patents
External-mix type adjustable low-dispersion atomizing spray gun and spraying assembly thereof Download PDFInfo
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- CN202823694U CN202823694U CN201220491135.9U CN201220491135U CN202823694U CN 202823694 U CN202823694 U CN 202823694U CN 201220491135 U CN201220491135 U CN 201220491135U CN 202823694 U CN202823694 U CN 202823694U
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Abstract
The utility model provides an external-mix type adjustable low-dispersion atomizing spray gun and a spraying assembly thereof. The spraying assembly comprises an air cap, a liquid cap assembly and a retainer, wherein a liquid outlet hole is formed at the position of a center line in the air cap. A concave cone-shaped flaring is formed from the most front end of the air cap to the liquid outlet hole. A plurality of air outlet holes are evenly formed in the surface of the cone-shaped flaring far away from the center line in a certain distance. The rear end of the air cap is provided with a cylinder cavity which is matched and communicated with the front end of the liquid cap assembly. A cone cavity is arranged between the cylinder cavity and the back side of the cone-shaped flaring. The cylinder cavity is communicated with the cone cavity, and therefore an air cavity of the air cap is formed. The front end of the liquid cap assembly extends into the cylinder cavity, and to-be-atomized liquid is delivered to the liquid outlet hole. A joint of the air cap and the liquid cap assembly is hooped by the retainer, and the air cap and the liquid cap assembly are fixedly connected and sealed. The external-mix type adjustable low-dispersion atomizing spray gun and the spraying assembly thereof has the advantages of increasing atomizing angle in low pressure, enlarging coverage area, improving delivering efficiency of gas, reducing liquid mist, saving cost and optimizing environment.
Description
Technical field
The utility model relates to for the low pressure of food surface oiling, the demoulding or similar applications, few mist, wide-angle lance technology field, and specifically, the utility model relates to the adjustable low dispersion atomization spray gun of a kind of external mixing type and sprayer unit assembly thereof.
Background technology
Spray gun is the vitals of all trades and professions, in the production equipment of numerous industries, all to use to spray gun, its performance is determining the main performance of whole equipment.Its major function has very important meaning to the quality of whole production efficiency, product and the quality of working environment.
Existing gun spraying angle is little, and coverage is narrow; The desired gas atomizing pressure is high, liquid is produced fly mist, not only wastes raw material, and has accelerated the deterioration of working environment.For different products, need the spray gun of various different performances to finish, need again investment.This not only affects production efficiency, and affects the stability of whole product quality and workman's working environment.
Summary of the invention
A technical problem to be solved in the utility model is: a kind of adjustable low dispersion atomization spray gun of external mixing type and sprayer unit assembly thereof that is mainly used in food service industry or similar food product industry is provided, can under low pressure increase spray angle, enlarge the scope that covers, make its application scenario wider.
Another technical problem to be solved in the utility model is: a kind of adjustable low dispersion atomization spray gun of external mixing type and sprayer unit assembly thereof that is mainly used in food service industry or similar food product industry is provided, can under low pressure improve the transmission efficiency of gas, increase air mass flow and speed, reduce the generation that liquid flies mist, go back the Optimization Work environment when saving material.
Another technical problem to be solved in the utility model is: a kind of adjustable low dispersion atomization spray gun of external mixing type and sprayer unit assembly thereof that is mainly used in food service industry or similar food product industry is provided, can under low pressure control more exactly mist flow, reduce the consumption of compressed air and liquid, save cost.
Another technical problem to be solved in the utility model is: a kind of adjustable low dispersion atomization spray gun of external mixing type and sprayer unit assembly thereof that is mainly used in food service industry or similar food product industry is provided, can work in coordination with most of gun body or the assembly of spraying company, reduce manufacturing cost and client's reinvestment cost.
For solving the problems of the technologies described above, the utility model provides the sprayer unit assembly of the adjustable low dispersion atomization spray gun of a kind of external mixing type, comprises air cap, liquid cap assembly and guard ring; Wherein
Centerline has fluid hole in the described air cap; The conical enlarging that is foremost an indent to described fluid hole from described air cap has been evenly arranged a plurality of ventholes away from described center line a distance on the surface of described conical enlarging; The rear end of described air cap has the cylindrical cavity of the conducting that matches with the front end of described liquid cap assembly, and the remaining space between the back side of described cylindrical cavity and described conical enlarging is conical cavity; Described cylindrical cavity is communicated with described conical cavity, consists of the air cavity of described air cap;
The front end of described liquid cap assembly stretches in the described cylindrical cavity, and liquid to be atomized is delivered to described fluid hole place;
Described guard ring hoop is buckled in the joint of described air cap and described liquid cap assembly, affixed and sealings with both.
Alternatively, the material of described air cap, described guard ring and/or described liquid cap assembly is stainless steel.
For solving the problems of the technologies described above, the utility model provides the also adjustable low dispersion atomization spray gun of a kind of external mixing type, comprise sprayer unit assembly, gun body assembly, piston component and other assembly, described sprayer unit assembly comprises air cap, liquid cap assembly and guard ring; Wherein
Centerline has fluid hole in the described air cap; The conical enlarging that is foremost an indent to described fluid hole from described air cap has been evenly arranged a plurality of ventholes away from described center line a distance on the surface of described conical enlarging; The rear end of described air cap has the cylindrical cavity of the conducting that matches with the front end of described liquid cap assembly, and the remaining space between the back side of described cylindrical cavity and described conical enlarging is conical cavity; Described cylindrical cavity is communicated with described conical cavity, consists of the air cavity of described air cap;
The front end of described liquid cap assembly stretches in the described cylindrical cavity, and liquid to be atomized is delivered to described fluid hole place;
Described guard ring hoop is buckled in the joint of described air cap and described liquid cap assembly, affixed and sealings with both.
Alternatively, the material of described sprayer unit assembly and/or described gun body assembly is stainless steel.
Alternatively, described gun body assembly comprises gasket seal, gun body body, filler, packing seal element, filler holddown spring, hold-down bolt and needle seal assembly.
Alternatively, be threaded connection between described liquid cap assembly and the described gun body body, and by described gasket seal sealing.
Alternatively, described needle seal assembly is standard cutout needle assemblies or removes the cutout needle assemblies.
Alternatively, described piston component comprises piston body, piston seal, packing washer, lock washer and locking nut.
Alternatively, described other assemblies comprise piston spring, filter, nothing adjusting body cap, pad and plug.
Alternatively, described needle seal assembly and described piston body are threaded connection, and the pretightning force by described piston spring, and described needle seal assembly and described liquid cap assembly are closely cooperated.
Compared with prior art, the utlity model has following advantage:
The utility model is by the air cap in the sprayer unit assembly is improved, and except the fluid hole of centre, is evenly arranged a plurality of ventholes in the conical flared surfaces away from the indent of center line certain distance.In addition, the air cavity is former only to be had on the basis of conical cavity and has improved one section cylindrical cavity, makes the air cavity more spacious.Thus, traditional air cap is compared before: the equally distributed venthole of the conical flared surfaces of indent is except playing the guiding role to gas, also increased atomization angle, the utility model can be reached under the low pressure of 0.3bar (5PSI) low, mode with the gas rotating atomized liquid, enlarge the coverage of spraying, adapt to more application scenario; And venthole and the fluid hole of more spacious air cavity and outer end close contact, improved the transmission efficiency (flow and speed) of gas and liquid, so that liquid under low pressure can be controlled spray angle and mist flow, the mist that flies after the atomization of liquid reduces, save to greatest extent cost, optimized working environment.
The production line that the utility model is had relatively high expectations for automaticity can be worked in coordination with most of gun body or the assembly of spraying company, has reduced manufacturing cost and client's reinvestment cost, more is conducive to on-the-spot installation and application.
Description of drawings
The above and other feature of the present utility model, character and advantage will become more obvious by the description below in conjunction with drawings and Examples, wherein:
Fig. 1-a is the outward appearance side view of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model;
Fig. 1-b is that the adjustable low dispersion atomization spray gun of the external mixing type of Fig. 1-a illustrated embodiment is along the internal structure cutaway view of A-A line;
Fig. 2-a is that the air cap of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model is along the longitudinal sectional view of a direction;
Fig. 2-b is that the air cap of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model is along the longitudinal sectional view of another direction;
Fig. 3 is the longitudinal sectional view of sprayer unit assembly of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model;
Fig. 4-a is the schematic diagram of standard cutout pin of needle seal assembly of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model;
Fig. 4-b is the schematic diagram of removing cutout pin of the needle seal assembly of the adjustable low dispersion atomization spray gun of the external mixing type of another embodiment of the utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with specific embodiments and the drawings; set forth in the following description more details so that fully understand the utility model; but the utility model obviously can be implemented with the multiple alternate manner that is different from this description; those skilled in the art can do similar popularization, deduction according to practical situations in the situation of the utility model intension, therefore should be with the content constraints of this specific embodiment protection domain of the present utility model.
Fig. 1-a is the outward appearance side view of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model; Fig. 1-b is that the adjustable low dispersion atomization spray gun of the external mixing type of Fig. 1-a illustrated embodiment is along the internal structure cutaway view of A-A line.It should be noted that these and follow-up other accompanying drawing all only as example, it is not to be to draw according to the condition of equal proportion, and should not be construed as limiting as the protection domain to the utility model actual requirement with this.
Shown in Fig. 1-b, the adjustable low dispersion atomization spray gun 100 of this external mixing type mainly comprises sprayer unit assembly 200, gun body assembly, piston component and other assembly.Wherein, sprayer unit assembly 200 comprises air cap 1, liquid cap assembly 3 and guard ring 2.
Fig. 2-a is that the air cap of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model is along the longitudinal sectional view of a direction; Fig. 2-b is that the air cap of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model is along the longitudinal sectional view of another direction.Please in conjunction with shown in Fig. 2-a and Fig. 2-b, air cap 1 interior centerline has fluid hole 1a.The conical enlarging 1f that is foremost an indent to fluid hole 1a from air cap 1 has been evenly arranged a plurality of venthole 1b away from center line a distance on the surface of conical enlarging 1f.The rear end of air cap 1 has the cylindrical cavity 1c of the conducting that matches with the front end of liquid cap assembly 3, and the remaining space between the back side of cylindrical cavity 1c and conical enlarging 1f is conical cavity 1d.Cylindrical cavity 1c is communicated with conical cavity 1d, consists of the air cavity 1e of air cap 1.
Fig. 3 is the longitudinal sectional view of sprayer unit assembly of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model.Please in conjunction with Fig. 2-a, Fig. 2-b and shown in Figure 3, in this sprayer unit assembly 200, the front end of liquid cap assembly 3 stretches among the cylindrical cavity 1c, and liquid to be atomized is delivered to fluid hole 1a place.Guard ring 2 hoops are buckled in the joint of air cap 1 and liquid cap assembly 3, affixed and sealings with both.
These liquid cap assembly 3 further characteristics are: can be by liquid cap assembly 3 corresponding to different air cap 1, so that the accuracy of mist flow is under control, and required atomizing effect when being conducive to control work.
In the present embodiment, the whole material of sprayer unit assembly 200 can be stainless steel, and perhaps the material of one or several in air cap 1, guard ring 2 and the liquid cap assembly 3 can be stainless steel.
Return shown in Fig. 1-b, for the gun body assembly, its whole material also can be stainless steel, mainly comprises gasket seal 4 (nonmetallic materials), gun body body 5, filler 6, packing seal element 7, filler holddown spring 8, hold-down bolt 9 and needle seal assembly 16.Wherein, can be threaded connection between the liquid cap assembly 3 in the sprayer unit assembly 200 and the gun body body 5 in the gun body assembly, and by gasket seal 4 sealings.Sealing pad 4 needs and medium contact, generally can adopt the encapsulant of food-grade.
And for piston component, it mainly comprises piston body 10, piston seal 11, packing washer 12, lock washer 13 and locking nut 15.In addition, other assemblies then can comprise piston spring 14, filter 17, nothing adjusting body cap 18, pad 19 and plug 20.
At last, about needle seal assembly 16, it divides and can or remove the cutout needle assemblies for: standard cutout needle assemblies by function.Fig. 4-a is the schematic diagram of standard cutout pin of needle seal assembly of the adjustable low dispersion atomization spray gun of external mixing type of an embodiment of the utility model; Fig. 4-b is the schematic diagram of removing cutout pin of the needle seal assembly of the adjustable low dispersion atomization spray gun of the external mixing type of another embodiment of the utility model.Especially, remove the cutout pin and can remove the liquid that is bonded on the liquid cap assembly 3.According to client's requirement or the requirement of working medium, present embodiment can be selected respectively multi-form needle seal valve module 16.Needle seal assembly 16 can be threaded connection with piston body 10, and passes through the pretightning force of piston spring 14, and needle seal assembly 16 and liquid cap assembly 3 are closely cooperated.
The operation principle of the adjustable low dispersion atomization spray gun 100 of external mixing type of the present utility model can be summarized as follows:
On the opposite of plug shown in Fig. 1-a 20, an air admission hole (being called for short CYL) is arranged, be called piston pore 21.In Fig. 1-b, an atomizing pore 22 of cutting open (be called for short ATOM, be arranged in Fig. 1-b the first half) and liquid pores 23 (be called for short LIQUID, be arranged in Fig. 1-b the latter half) are arranged respectively on the gun body body 5.When piston was opened gas by piston pore 21, piston component was opened under certain pressure, and piston component pushing piston spring 14 is compressed, drove backward motion of needle seal assembly 16.Leave liquid cap assembly 3.This moment, liquid passed through liquid pores 23, derived from liquid cap assembly 3.Atomization gas is by atomizing pore 22, through the air cavity 1e derivation of air cap 1.Liquid and atomization gas meet, collide, atomize at the conical enlarging 1f of the indent place of air cap 1, and liquid particles is atomized gas atomization, spiral screws out, and forms the aerosolized liquid particles with certain spray angle, sends forth and covers surface of the work.But when the piston of piston pore 21 is opened the pressure of gas less than certain force value, when perhaps piston unlatching gas is closed, needle seal assembly 16 is under the acting in conjunction of piston spring 14 and piston component, and liquid cap assembly 3 closely cooperates, and atomizing lance 100 quits work.
The utility model is by the air cap in the sprayer unit assembly is improved, and except the fluid hole of centre, is evenly arranged a plurality of ventholes in the conical flared surfaces away from the indent of center line certain distance.In addition, the air cavity is former only to be had on the basis of conical cavity and has improved one section cylindrical cavity, makes the air cavity more spacious.Thus, traditional air cap is compared before: the equally distributed venthole of the conical flared surfaces of indent is except playing the guiding role to gas, also increased atomization angle, the utility model can be reached under the low pressure of 0.3bar (5PSI) low, mode with the gas rotating atomized liquid, enlarge the coverage of spraying, adapt to more application scenario; And venthole and the fluid hole of more spacious air cavity and outer end close contact, improved the transmission efficiency (flow and speed) of gas and liquid, so that liquid under low pressure can be controlled spray angle and mist flow, the mist that flies after the atomization of liquid reduces, save to greatest extent cost, optimized working environment.
The production line that the utility model is had relatively high expectations for automaticity can be worked in coordination with most of gun body or the assembly of spraying company, has reduced manufacturing cost and client's reinvestment cost, more is conducive to on-the-spot installation and application.
Although the utility model with preferred embodiment openly as above, it is not to limit the utility model, and any those skilled in the art can make possible change and modification within not breaking away from spirit and scope of the present utility model.Therefore, every content that does not break away from technical solutions of the utility model, all falls within the protection domain that the utility model claim defines any modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.
Claims (10)
1. the sprayer unit assembly (200) of the adjustable low dispersion atomization spray gun of external mixing type (100) is characterized in that, comprises air cap (1), liquid cap assembly (3) and guard ring (2); Wherein
The interior centerline of described air cap (1) has fluid hole (1a); The conical enlarging (1f) that is foremost an indent to described fluid hole (1a) from described air cap (1) has been evenly arranged a plurality of ventholes (1b) away from described center line a distance on the surface of described conical enlarging (1f); The rear end of described air cap (1) has the cylindrical cavity (1c) of the conducting that matches with the front end of described liquid cap assembly (3), and the remaining space between the back side of described cylindrical cavity (1c) and described conical enlarging (1f) is conical cavity (1d); Described cylindrical cavity (1c) is communicated with described conical cavity (1d), consists of the air cavity (1e) of described air cap (1);
The front end of described liquid cap assembly (3) stretches in the described cylindrical cavity (1c), liquid to be atomized is delivered to described fluid hole (1a) locates;
Described guard ring (2) hoop is buckled in the joint of described air cap (1) and described liquid cap assembly (3), affixed and sealings with both.
2. sprayer unit assembly according to claim 1 (200) is characterized in that, the material of described air cap (1), described guard ring (2) and/or described liquid cap assembly (3) is stainless steel.
3. the adjustable low dispersion atomization spray gun of external mixing type (100), it is characterized in that, comprise sprayer unit assembly (200), gun body assembly, piston component and other assembly, described sprayer unit assembly (200) comprises air cap (1), liquid cap assembly (3) and guard ring (2); Wherein
The interior centerline of described air cap (1) has fluid hole (1a); The conical enlarging (1f) that is foremost an indent to described fluid hole (1a) from described air cap (1) has been evenly arranged a plurality of ventholes (1b) away from described center line a distance on the surface of described conical enlarging (1f); The rear end of described air cap (1) has the cylindrical cavity (1c) of the conducting that matches with the front end of described liquid cap assembly (3), and the remaining space between the back side of described cylindrical cavity (1c) and described conical enlarging (1f) is conical cavity (1d); Described cylindrical cavity (1c) is communicated with described conical cavity (1d), consists of the air cavity (1e) of described air cap (1);
The front end of described liquid cap assembly (3) stretches in the described cylindrical cavity (1c), liquid to be atomized is delivered to described fluid hole (1a) locates;
Described guard ring (2) hoop is buckled in the joint of described air cap (1) and described liquid cap assembly (3), affixed and sealings with both.
4. atomizing lance according to claim 3 (100) is characterized in that, the material of described sprayer unit assembly (200) and/or described gun body assembly is stainless steel.
5. atomizing lance according to claim 3 (100), it is characterized in that described gun body assembly comprises gasket seal (4), gun body body (5), filler (6), packing seal element (7), filler holddown spring (8), hold-down bolt (9) and needle seal assembly (16).
6. atomizing lance according to claim 5 (100) is characterized in that, be threaded connection between described liquid cap assembly (3) and the described gun body body (5), and by described gasket seal (4) sealing.
7. according to claim 5 or 6 described atomizing lances (100), it is characterized in that described needle seal assembly (16) is standard cutout needle assemblies or removes the cutout needle assemblies.
8. according to claim 5 or 6 described atomizing lances (100), it is characterized in that described piston component comprises piston body (10), piston seal (11), packing washer (12), lock washer (13) and locking nut (15).
9. atomizing lance according to claim 8 (100) is characterized in that, described other assemblies comprise piston spring (14), filter (17), nothing adjusting body cap (18), pad (19) and plug (20).
10. atomizing lance according to claim 9 (100), it is characterized in that, described needle seal assembly (16) is threaded connection with described piston body (10), and the pretightning force by described piston spring (14), described needle seal assembly (16) and described liquid cap assembly (3) are closely cooperated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220491135.9U CN202823694U (en) | 2012-09-24 | 2012-09-24 | External-mix type adjustable low-dispersion atomizing spray gun and spraying assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220491135.9U CN202823694U (en) | 2012-09-24 | 2012-09-24 | External-mix type adjustable low-dispersion atomizing spray gun and spraying assembly thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202823694U true CN202823694U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220491135.9U Expired - Fee Related CN202823694U (en) | 2012-09-24 | 2012-09-24 | External-mix type adjustable low-dispersion atomizing spray gun and spraying assembly thereof |
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| Country | Link |
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| CN (1) | CN202823694U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299976A (en) * | 2013-06-26 | 2013-09-18 | 中国农业大学 | Spraying and atomizing device for air vehicle |
| CN111167625A (en) * | 2020-03-14 | 2020-05-19 | 胡超 | Nozzle on spray gun |
-
2012
- 2012-09-24 CN CN201220491135.9U patent/CN202823694U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103299976A (en) * | 2013-06-26 | 2013-09-18 | 中国农业大学 | Spraying and atomizing device for air vehicle |
| CN103299976B (en) * | 2013-06-26 | 2015-02-04 | 中国农业大学 | Spraying and atomizing device for air vehicle |
| CN111167625A (en) * | 2020-03-14 | 2020-05-19 | 胡超 | Nozzle on spray gun |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20210924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |