CN219804808U - Atomizer for spraying device - Google Patents
Atomizer for spraying device Download PDFInfo
- Publication number
- CN219804808U CN219804808U CN202320897366.8U CN202320897366U CN219804808U CN 219804808 U CN219804808 U CN 219804808U CN 202320897366 U CN202320897366 U CN 202320897366U CN 219804808 U CN219804808 U CN 219804808U
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- CN
- China
- Prior art keywords
- nozzle
- liquid
- flow passage
- air inlet
- pressurizing
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- 238000005507 spraying Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 90
- 239000007921 spray Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000889 atomisation Methods 0.000 description 6
- 238000005187 foaming Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Nozzles (AREA)
Abstract
The utility model discloses an atomizing nozzle for a spraying device, which comprises a nozzle fixing piece, a pressurizing nozzle, an air inlet connector, a liquid flow channel assembly and an atomizing nozzle, wherein the pressurizing nozzle and the air inlet connector are connected with each other through the nozzle fixing piece, the bottom of the pressurizing nozzle penetrates through the liquid flow channel assembly and then stretches into the atomizing nozzle, the liquid inlet connector is connected to the side part of the liquid flow channel assembly and is communicated with a conical flow channel in the liquid flow channel assembly, and the bottom end of the conical flow channel is communicated with the inside of the atomizing nozzle. The utility model ensures that the gas and the liquid do not contact before reaching the atomizing nozzle at the bottom end of the atomizing nozzle, and improves the speed of liquid diversion, thereby improving the atomizing effect of the atomizing nozzle.
Description
Technical Field
The utility model relates to the technical field of atomizing nozzles, in particular to an atomizing nozzle for a spraying device.
Background
At present, most of spray heads for slurry spraying or printing devices adopt thermal foaming spray heads, piezoelectric spray heads or atomizing spray heads, and the flow rate of the thermal foaming spray heads is higher, but due to the relation of the working principle, the internal structure is required to be in circulation of high temperature and cooling for a long time, so that the internal structure is very easy to damage, the operation is dangerous, and in addition, the thermal foaming spray heads have the problems of higher cost and insufficient cruising ability; the piezoelectric spray head has high cost for manufacturing the core piezoelectric crystal, and cannot be widely used. Therefore, most of common slurry spraying devices adopt an atomization nozzle, but the gas and the liquid of the existing atomization nozzle firstly enter a cylindrical channel in the atomization nozzle, and the pressurized atomization effect can be performed in advance before unpressurized atomization is sprayed out, so that the flow of the liquid is blocked, and even the backflow is caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an atomizing nozzle for a spraying device, which ensures that gas and liquid do not contact before reaching an atomizing nozzle at the bottom end of the atomizing nozzle, and improves the speed of liquid diversion, thereby improving the atomizing effect of the atomizing nozzle.
The technical scheme of the utility model is as follows:
an atomizing nozzle for a spraying device comprises a nozzle fixing piece, a pressurizing nozzle, an air inlet joint, a liquid flow passage component and an atomizing nozzle;
the air inlet connector and the pressurizing nozzle are respectively connected to the top end and the bottom end of the nozzle fixing piece, an air inlet channel which is vertically communicated is arranged on the pressurizing nozzle, and an air inlet at the top end of the air inlet channel is communicated with the air inlet connector;
the pressurizing nozzle extends into the liquid flow passage assembly, a conical flow passage is arranged in the liquid flow passage assembly, a conical part at the lower part of the pressurizing nozzle extends into the conical flow passage, annular diversion conduction is formed between the conical part and the conical flow passage, the liquid inlet connector is connected to the side part of the liquid flow passage assembly, a liquid outlet at the inner end of the liquid inlet connector is communicated with the conical flow passage, and the liquid outlet at the inner end of the liquid inlet connector faces the outer wall at the lower part of the pressurizing nozzle;
the top of atomizing nozzle be provided with the recess, atomizing nozzle's bottom is provided with the back taper spout, the bottom of recess communicates with the top of back taper spout each other, atomizing nozzle fixed connection is in the bottom of liquid runner subassembly, the bottom and the recess intercommunication of last toper runner of liquid runner subassembly, pressurizing nozzle's bottom stretches out from the bottom of liquid runner subassembly and stretches into in the recess, and leave the clearance between the gas outlet of pressurizing nozzle bottom and the tank bottom of recess.
The nozzle fixing piece on be provided with the connecting hole that link up from top to bottom, the upper portion and the lower part of connecting hole all are provided with the internal thread, air inlet connector's bottom threaded connection in the upper portion of connecting hole, the top threaded connection of pressurization nozzle in the lower part of connecting hole.
The top of the liquid flow passage component is provided with an internal thread locating hole, the bottom end of the internal thread locating hole is communicated with the top end of the conical flow passage, the aperture of the internal thread locating hole is larger than that of the top end of the conical flow passage, so that the bottom end of the internal thread locating hole forms a locating step surface, the outer wall of the lower part of the nozzle fixing piece is provided with external threads, the lower part of the nozzle fixing piece stretches into the internal thread locating hole and is in threaded connection with the internal thread locating hole, and the bottom end of the nozzle fixing piece butts against the locating step surface.
The middle part of the nozzle fixing piece is arranged at the top end of the liquid flow passage component and is fixedly connected with the liquid flow passage component through bolts.
The inside of the liquid inlet joint extends into the liquid flow passage assembly and is in threaded connection with the liquid flow passage assembly.
The aperture of the air inlet channel of the pressurizing nozzle is 0.4-0.7 mm.
The angle between the inner wall surface of the conical flow passage of the liquid flow passage assembly and the horizontal plane is 75-88 degrees.
The bottom of recess be provided with the feed liquor hole, the bottom of feed liquor hole communicates with the top of back taper spout, the gas outlet of pressurization nozzle bottom is towards the top of feed liquor hole.
The aperture ratio of the top end to the bottom end of the inverted cone-shaped nozzle is 1:6-6.5.
The utility model has the advantages that:
(1) The bottom end of the pressurizing nozzle extends into the groove at the top end of the atomizing nozzle, so that gas sprayed by the pressurizing nozzle cannot enter the flow channel in the liquid flow channel assembly and cannot contact with liquid in advance, and the atomizing effect of the atomizing nozzle is improved.
(2) The liquid flow passage component is provided with the internal thread positioning hole, so that the pressurizing nozzle is quickly and accurately positioned and connected in the liquid flow passage component, and the bottom end of the pressurizing nozzle is ensured to extend into the groove of the atomizing nozzle.
(3) The liquid flow channel component is internally provided with the conical flow channel, liquid to be sprayed, which is conveyed by the liquid inlet joint, directly enters the conical flow channel, is conducted through annular flow guide formed by the conical flow channel and the pressurizing nozzle, and the inner ring surface (the outer wall of the lower part of the pressurizing nozzle) and the outer ring surface (the inner wall of the conical flow channel) of the annular flow guide are both conical surfaces, so that the liquid can flow downwards along the conical surface rapidly, and the problems of deposition and wall hanging do not occur; and the included angle between the inner wall surface of the conical flow channel and the horizontal plane is set to 75-88 degrees, so that the liquid diversion speed is matched with the gas inlet speed while the liquid is guaranteed to be rapidly diverted, and the atomization effect is further improved.
(4) According to the utility model, the aperture of the air inlet channel of the pressurizing nozzle is set to be 0.4-0.7 mm, the air outlet aperture is increased, and the aperture ratio of the top end and the bottom end of the inverted conical nozzle of the atomizing nozzle is set to be 1:6-6.5, ensuring that the gas sprayed by the pressurized nozzle can act on the liquid quickly, so that the liquid is sprayed out in a quick atomizing way, and further expanding the spraying area.
(5) The components of the utility model are of split connection structure, so that the utility model is convenient to detach, maintain and clean.
Drawings
Fig. 1 is an exploded view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model, wherein "- -" is a gas delivery link,is a liquid delivery link.
Reference numerals: the spray nozzle comprises a 1-nozzle fixing piece, a 2-pressurizing nozzle, a 3-air inlet connector, a 4-liquid inlet connector, a 5-liquid flow passage component, a 6-atomizing nozzle, a 51-conical flow passage, a 52-positioning step surface, a 61-groove, a 62-liquid inlet hole and a 63-reverse conical spray nozzle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, an atomizer for a spray device includes a nozzle fixing member 1, a pressurizing nozzle 2, an air inlet joint 3, a liquid inlet joint 4, a liquid flow passage assembly 5 and an atomizer nozzle 6;
the nozzle fixing piece 1 is provided with a connecting hole which is vertically penetrated, the upper part and the lower part of the connecting hole are both provided with internal threads, the bottom of the air inlet joint 3 is in threaded connection with the upper part of the connecting hole, the top of the pressurizing nozzle 2 is in threaded connection with the lower part of the connecting hole, the pressurizing nozzle 2 is provided with an air inlet channel (the aperture is 0.4-0.7 mm) which is vertically penetrated, and the air inlet at the top end of the air inlet channel is communicated with the air inlet joint 3;
an internal thread locating hole is formed in the top end of the liquid flow channel assembly 5, a conical flow channel 51 is arranged in the liquid flow channel assembly 5, an included angle between the inner wall surface of the conical flow channel 51 and the horizontal plane is 81 degrees, the bottom end of the internal thread locating hole is communicated with the top end of the conical flow channel 51, the aperture of the internal thread locating hole is larger than that of the top end of the conical flow channel 51, so that the bottom end of the internal thread locating hole forms a locating step surface 52, an external thread is arranged on the outer wall of the lower part of the nozzle fixing piece 1, the lower part of the nozzle fixing piece 1 stretches into the internal thread locating hole and is in threaded connection with the internal thread locating hole, the bottom end of the nozzle fixing piece 1 abuts against the locating step surface 52, the middle part of the nozzle fixing piece 1 is arranged at the top end of the liquid flow channel assembly 5 and is fixedly connected with the internal thread through a bolt, the pressurizing nozzle 2 stretches into the inner part of the liquid flow channel assembly 5, the conical part of the lower part of the pressurizing nozzle 2 stretches into the conical flow channel 51 and forms annular flow guiding conduction between the conical flow channel 51, and the inner part of the liquid inlet joint 4 stretches into the liquid flow channel assembly 5 from the side part of the liquid flow channel assembly 5 and is in threaded connection with the two, and the liquid outlet of the inner end of the liquid inlet joint 4 is communicated with the conical flow channel 51 and faces the outer wall of the lower part of the pressurizing nozzle 2;
the top of atomizing nozzle 6 is provided with recess 61, atomizing nozzle 6 passes through the bottom of bolt fixed connection in liquid runner assembly 5, the bottom and the recess 61 intercommunication of the last toper runner 51 of liquid runner assembly, the bottom of pressurization nozzle 2 stretches out from the bottom of liquid runner assembly 5 and stretches into in the recess 61, leave the clearance between the gas outlet of pressurization nozzle 2 bottom and the tank bottom of recess 61, the bottom of recess 61 is provided with feed liquor hole 62, the gas outlet of pressurization nozzle 2 bottom is towards the top of feed liquor hole 62, the bottom of atomizing nozzle 6 is provided with back taper spout 63 (top aperture is 0.5mm, bottom aperture is 3 mm), the bottom of feed liquor hole 62 and the top intercommunication of back taper spout 63.
The working principle of the utility model is as follows:
firstly, connecting the top end of an air inlet connector 3 with an external air tank or an air compressor, and simultaneously connecting a liquid inlet connector 4 with a liquid storage tank through a liquid delivery pump; during spraying, gas enters the pressurizing nozzle 2 through the air inlet connector 3, the gas is sprayed to the top end of the liquid inlet hole 62 of the atomizing nozzle through the pressurizing nozzle 2 after being subjected to reducing pressurization, meanwhile, liquid to be sprayed is sent into the conical flow channel 51 of the liquid flow channel assembly 5 through the liquid inlet connector 4, flows into the groove 61 of the atomizing nozzle 6 along the conical flow channel 51, the liquid passing through the liquid inlet hole 62 is dispersed into tiny liquid drops by high-speed air flow sprayed by the pressurizing nozzle 2, and the tiny liquid drops are finally sprayed out from the inverted conical nozzle 63.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An atomizer for spraying device, its characterized in that: comprises a nozzle fixing piece, a pressurizing nozzle, an air inlet joint, a liquid flow passage component and an atomizing nozzle;
the air inlet connector and the pressurizing nozzle are respectively connected to the top end and the bottom end of the nozzle fixing piece, an air inlet channel which is vertically communicated is arranged on the pressurizing nozzle, and an air inlet at the top end of the air inlet channel is communicated with the air inlet connector;
the pressurizing nozzle extends into the liquid flow passage assembly, a conical flow passage is arranged in the liquid flow passage assembly, a conical part at the lower part of the pressurizing nozzle extends into the conical flow passage, annular diversion conduction is formed between the conical part and the conical flow passage, the liquid inlet connector is connected to the side part of the liquid flow passage assembly, a liquid outlet at the inner end of the liquid inlet connector is communicated with the conical flow passage, and the liquid outlet at the inner end of the liquid inlet connector faces the outer wall at the lower part of the pressurizing nozzle;
the top of atomizing nozzle be provided with the recess, atomizing nozzle's bottom is provided with the back taper spout, the bottom of recess communicates with the top of back taper spout each other, atomizing nozzle fixed connection is in the bottom of liquid runner subassembly, the bottom and the recess intercommunication of last toper runner of liquid runner subassembly, pressurizing nozzle's bottom stretches out from the bottom of liquid runner subassembly and stretches into in the recess, and leave the clearance between the gas outlet of pressurizing nozzle bottom and the tank bottom of recess.
2. An atomizer for a spray apparatus as claimed in claim 1, wherein: the nozzle fixing piece on be provided with the connecting hole that link up from top to bottom, the upper portion and the lower part of connecting hole all are provided with the internal thread, air inlet connector's bottom threaded connection in the upper portion of connecting hole, the top threaded connection of pressurization nozzle in the lower part of connecting hole.
3. An atomizer for a spray apparatus as claimed in claim 1, wherein: the top of the liquid flow passage component is provided with an internal thread locating hole, the bottom end of the internal thread locating hole is communicated with the top end of the conical flow passage, the aperture of the internal thread locating hole is larger than that of the top end of the conical flow passage, so that the bottom end of the internal thread locating hole forms a locating step surface, the outer wall of the lower part of the nozzle fixing piece is provided with external threads, the lower part of the nozzle fixing piece stretches into the internal thread locating hole and is in threaded connection with the internal thread locating hole, and the bottom end of the nozzle fixing piece butts against the locating step surface.
4. A spray head for a spray device according to claim 3, wherein: the middle part of the nozzle fixing piece is arranged at the top end of the liquid flow passage component and is fixedly connected with the liquid flow passage component through bolts.
5. An atomizer for a spray apparatus as claimed in claim 1, wherein: the inside of the liquid inlet joint extends into the liquid flow passage assembly and is in threaded connection with the liquid flow passage assembly.
6. An atomizer for a spray apparatus as claimed in claim 1, wherein: the aperture of the air inlet channel of the pressurizing nozzle is 0.4-0.7 mm.
7. An atomizer for a spray apparatus as claimed in claim 1, wherein: the angle between the inner wall surface of the conical flow passage of the liquid flow passage assembly and the horizontal plane is 75-88 degrees.
8. An atomizer for a spray apparatus as claimed in claim 1, wherein: the bottom of recess be provided with the feed liquor hole, the bottom of feed liquor hole communicates with the top of back taper spout, the gas outlet of pressurization nozzle bottom is towards the top of feed liquor hole.
9. An atomizer for a spray apparatus as claimed in claim 1, wherein: the aperture ratio of the top end to the bottom end of the inverted cone-shaped nozzle is 1:6-6.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897366.8U CN219804808U (en) | 2023-04-20 | 2023-04-20 | Atomizer for spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320897366.8U CN219804808U (en) | 2023-04-20 | 2023-04-20 | Atomizer for spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219804808U true CN219804808U (en) | 2023-10-10 |
Family
ID=88215088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320897366.8U Active CN219804808U (en) | 2023-04-20 | 2023-04-20 | Atomizer for spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219804808U (en) |
-
2023
- 2023-04-20 CN CN202320897366.8U patent/CN219804808U/en active Active
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| GR01 | Patent grant |