CN217313973U - Spray nozzle for spray gun - Google Patents
Spray nozzle for spray gun Download PDFInfo
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- CN217313973U CN217313973U CN202220127271.3U CN202220127271U CN217313973U CN 217313973 U CN217313973 U CN 217313973U CN 202220127271 U CN202220127271 U CN 202220127271U CN 217313973 U CN217313973 U CN 217313973U
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- nozzle
- negative pressure
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- adjusting
- disc
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Abstract
The utility model relates to the technical field of coating spray guns, in particular to a spray nozzle for a spray gun, which comprises a spray head, a gas spraying disc and a fixed seat, wherein the spray head is arranged at the front end of the fixed seat, the gas spraying disc is arranged between the fixed seat and the spray head, the gas spraying disc comprises a negative pressure disc, a separating ring and an adjusting disc which are sequentially arranged from inside to outside along the radial direction of the fixed seat, a negative pressure through hole is arranged on the negative pressure disc, the axial length of the separating ring close to the direction of the spray head is longer than the axial length of the adjusting disc, an adjusting spray hole is arranged on the adjusting disc, the negative pressure plate is matched with the adjusting plate to adjust the compressed air flow rate in the actual use process, thereby realizing the control of the material spraying amount of the nozzle and different material spraying effects, shortening the distance between two adjacent negative pressure through holes by adjusting the number of the negative pressure through holes, thereby promoting the uniformity of the compressed air sprayed from the negative pressure through holes, balancing the low pressure at the nozzle and uniformly spraying the coating.
Description
Technical Field
The utility model relates to a coating spray gun technical field especially relates to a nozzle for spray gun.
Background
The spray gun takes compressed air generated by an air compressor as power, when the compressed air is sprayed out through an air cap at the front part of the spray gun, a low-pressure area lower than the atmospheric pressure is generated at the front part of a paint nozzle connected with the spray gun, the paint is sucked out of an air cup kettle, and under the action of high-speed jet force of the compressed air, the paint is atomized into particles and sprayed on the surface of an object to be coated; the number of spray holes of the existing spray gun nozzle is generally 6-8, and the distance between two adjacent spray holes is large.
The distance between two adjacent spray holes is large, compressed air sprayed out of the spray holes is sprayed to a spray cap, when the compressed air is sprayed out of the spray cap holes, the uniformity is not enough, the low pressure on the spray nozzles is unbalanced, the suction force on the coating is inconsistent, the suction quantity of the coating is uneven, and the coating uniformity of a spraying surface is poor; although the aperture of the spray hole can be increased to improve the uniformity of the compressed air sprayed to the spray cap, the increased aperture requires the pressure of the compressed air to be increased, and the excessive pressure causes the coating to rebound too much after contacting the spraying surface, thereby affecting the spraying effect.
Therefore, a nozzle for a spray gun is required to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a nozzle for spray gun for solve among the prior art and spout the uneven problem that leads to spouting the material volume inhomogeneous of material nozzle department pressure.
In order to realize above-mentioned purpose and other relevant purposes, the utility model provides a nozzle for spray gun, including shower nozzle, jet-propelled dish and fixing base, the fixing base front end is located to the shower nozzle, jet-propelled dish is located between fixing base and the shower nozzle, jet-propelled dish includes along radial from interior to exterior negative pressure dish, divider ring and the adjustment disk that sets gradually of fixing base, be equipped with the negative pressure through-hole on the negative pressure dish, the divider ring is close to shower nozzle direction axial length and is longer than adjustment disk axial length, be equipped with the regulation orifice on the adjustment disk.
In an embodiment of the present invention, the negative pressure plate is close to the fixing seat and is longer than the adjusting plate in axial length.
In an embodiment of the present invention, a coating chamber is formed between the nozzle and the fixing base, the nozzle is disposed at the front end of the nozzle, and the size of the nozzle is smaller than the size of the coating chamber.
In an embodiment of the present invention, the fixing base is provided with a protruding fixing snap ring, and the radial dimension of the fixing snap ring is greater than the radial dimension of the fixing base.
In an embodiment of the utility model, adjust orifice quantity on the adjustment disk and set up different quantity according to the in-service use needs, adjust orifice evenly distributed on the adjustment disk.
In an embodiment of the present invention, the negative pressure through holes are 12, and the negative pressure through holes are uniformly distributed on the negative pressure plate.
In an embodiment of the present invention, the input end of the air injection plate is connected to the compressed air end.
As above, the utility model discloses a nozzle for spray gun has following beneficial effect:
1. through setting up the adjustment of negative pressure disk cooperation adjusting plate to the compressed air flow rate in the in-service use process to the realization spouts the control of material volume to the nozzle, realizes the different material effects of spouting.
2. The size of the nozzle is smaller than that of the paint cavity, so that the speed of the paint flowing out of the nozzle can be increased, and the paint in the paint cavity can be better sucked out of the nozzle by matching with compressed air.
3. Through adjusting negative pressure through-hole quantity, shorten the distance between two adjacent negative pressure through-holes to promote the degree of consistency of negative pressure through-hole spun compressed air, make the low pressure of nozzle department balanced, the coating blowout is even.
Drawings
Fig. 1 is a schematic structural view of a spray nozzle for a spray gun according to an embodiment of the present invention.
Fig. 2 is a schematic view of a fixing snap ring of a spray nozzle for a spray gun according to an embodiment of the present invention.
Fig. 3 shows a cross-sectional view of a spray nozzle for a spray gun according to an embodiment of the present invention.
Description of the element reference numerals
1-negative pressure plate; 2-a fixed seat; 3-fixing the snap ring; 4-a spray head; 5-a coating cavity; 6-a nozzle; 7-negative pressure through holes; 8-adjusting the disc; 9-adjusting the spray holes; 10-spacer ring.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a nozzle for spray gun, the embodiment of the present invention is that the input end of the jet plate is connected to the corresponding compressed air output end, the fixing base 2 is connected to the corresponding coating tube output end, the coating tube can be conveniently connected to the fixing base 2 through the fixing snap ring 3 protruded on the fixing base 2, after the fixing base 2 is connected, the coating is filled in the coating cavity 5 which penetrates the spray head 4 and the fixing base 2, the compressed air output end is opened to apply work to the nozzle 6 on the spray head 4, the size of the nozzle 6 is smaller than that of the coating cavity 5, the negative pressure through hole 7 on the negative pressure plate 1 outputs the corresponding pressure, the coating in the coating cavity 5 in the spray head 4 is sucked out of the nozzle 6, then the corresponding working surface is sprayed, by setting 12 negative pressure through holes 7, the distance between the two negative pressure through holes 7 can be shortened, the uniformity of the compressed air input from the compressed air end is improved, so that negative pressure is formed at the spray head 4 to accelerate the flow velocity, and the coating in the coating cavity 5 is better sucked out;
in different spraying use environments, the number of the negative pressure through holes 7 is not easy to change, and once the number of the negative pressure through holes is changed, the actual discharging effect of the nozzle 6 can be influenced, so that the adjusting disc 8 is arranged on the negative pressure disc 1, the adjusting disc 8 is provided with adjusting spray holes 9 with different numbers as required, the adjusting spray holes 9 are also connected to a compressed air output end, the flow speed of compressed air at the nozzle 6 is interfered by the adjusting spray holes 9, so that the material spraying effect of the adjusting nozzle 6 is realized, a separating ring 10 is arranged between the negative pressure disc 1 and the adjusting disc 8, the axial length of the separating ring 10 in the direction close to the spray head 4 is longer than that of the adjusting disc 8, the mutual interference between the negative pressure disc 1 and the adjusting disc 8 in the working process can be avoided, the actual use effect is influenced, the axial length of the negative pressure disc 1 in the direction close to the fixed seat 2 is longer than that of the adjusting disc 8, and the mutual interference between the negative pressure disc 1 and the adjusting disc 8 in the working process is reduced to the maximum extent.
To sum up, the utility model discloses a set up the compressed air flow rate adjustment of negative pressure disk cooperation adjustment dish to the in-service use, thereby realize the control of spout material volume to the nozzle, realize the difference and spout the material effect, the nozzle size is less than coating chamber size, can increase the speed that coating flows from nozzle department, and then the better coating suction nozzle with the coating intracavity of cooperation compressed air, through adjustment negative pressure through-hole quantity, shorten the distance between two adjacent negative pressure through-holes, thereby promote negative pressure through-hole spun compressed air's the degree of consistency, make the low pressure of nozzle department balanced, coating blowout is even. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a nozzle for spray gun, its characterized in that, includes shower nozzle, jet-propelled dish and fixing base, the fixing base front end is located to the shower nozzle, jet-propelled dish is located between fixing base and the shower nozzle, jet-propelled dish includes along radial from interior to exterior negative pressure dish, divider ring and the adjustment disk that sets gradually of fixing base, be equipped with the negative pressure through-hole on the negative pressure dish, the divider ring is close to shower nozzle direction axial length and is longer than adjustment disk axial length, be equipped with the regulation orifice on the adjustment disk.
2. The nozzle for a spray gun of claim 1, wherein: the axial length of the negative pressure plate close to the direction of the fixed seat is longer than that of the adjusting plate.
3. The nozzle for a spray gun of claim 1, wherein: a coating cavity is communicated between the spray head and the fixing seat, a spray nozzle is arranged at the front end of the spray head, and the size of the spray nozzle is smaller than that of the coating cavity.
4. The nozzle for a spray gun of claim 1, wherein: the fixing seat is provided with a raised fixing clamping ring, and the radial size of the fixing clamping ring is larger than that of the fixing seat.
5. The nozzle for a spray gun of claim 1, wherein: the number of the adjusting spray holes on the adjusting disc is set to be different according to actual use requirements, and the adjusting spray holes are uniformly distributed on the adjusting disc.
6. The nozzle for a spray gun of claim 1, wherein: the negative pressure through holes are 12 in number and are uniformly distributed on the negative pressure plate.
7. The nozzle for a spray gun of claim 1, wherein: the input end of the air injection disc is connected to a compressed air end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220127271.3U CN217313973U (en) | 2022-01-18 | 2022-01-18 | Spray nozzle for spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220127271.3U CN217313973U (en) | 2022-01-18 | 2022-01-18 | Spray nozzle for spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217313973U true CN217313973U (en) | 2022-08-30 |
Family
ID=82993400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220127271.3U Active CN217313973U (en) | 2022-01-18 | 2022-01-18 | Spray nozzle for spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217313973U (en) |
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2022
- 2022-01-18 CN CN202220127271.3U patent/CN217313973U/en active Active
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