Multi-section high pressure dispersion nozzle

Abstract

The application relates to a multi-section high-pressure diffusion nozzle, which comprises a base, a first spray cavity cover, a third spray cavity cover, a self-adjuster and a filter; wherein the first spray cavity cover is arranged in multiple sections, one cover is arranged on the base and is connected and fixed with the base through a first connecting ring, the remaining first spray cavity covers are arranged above another and are connected and fixed with the cover body of the next first spray cavity cover through a first connecting ring, the third spray cavity cover is arranged above the uppermost first spray cavity cover and is connected and fixed with the cover body of the first spray cavity cover through a third connecting ring; the filter is arranged inside each spray cavity cover, and the upper and lower ends of the filter respectively abut against the upper and lower spray cavity covers; the self-adjuster is arranged at the center of the base, a sliding column penetrates through all the spray cavity covers and is located at the center of the filter, a sleeve is initially located at the middle part of the third spray cavity cover and seals the lower part of the filter, and the sleeve slides on the sliding column according to the water pressure entering the spray cavity cover; the nozzle can avoid blockage and automatically adjust according to the system pressure change.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of spraying equipment, in particular to a multi-section high-pressure dispersion nozzle. BACKGROUND

[0002] In the process of planting plants, corresponding spraying systems will be set up in the planting area as needed, which are mostly used for spraying pesticides or irrigation. Of course, spraying systems are also used in other places for dust reduction, temperature reduction, etc. They all work by pumping water flow with a certain pressure through a pipeline and then spraying it out of the nozzle. For example, blueberry pesticide spraying, the particle size is too small to be easily blown away by the wind, and the particle size is too large to easily knock off the white powder wrapped on the surface of the blueberry particles. The white powder contains the most important medical substance, anthocyanin, so the droplet size should be strictly controlled when spraying pesticides in planting. When the particle size is small, the pesticide mist field is easily affected by the airflow, resulting in insufficient spraying; when the particle size is too large, it will cause waste of medicine. Therefore, for different crops, reasonable particle size distribution of droplets should be selected to reduce the loss rate of pesticides. In terms of irrigation, the use of spraying can effectively expand the contact area between crops and water. The mist field can not only supplement soil moisture but also reduce greenhouse temperature and increase air humidity, achieving the effect of improving the local climate.

[0003] No matter what the application is, in the process of spraying, the nozzle is an important component. For high-pressure dispersion nozzles, the commonly used in the prior art is a single-section nozzle, which sprays dispersed mist through a single hole. However, in actual use, due to the large area that needs to be sprayed, multiple nozzles are connected in the system for use. In some remote places, the water source obtained is of poor quality, and there may even be other impurities in the water. When such water flow is sprayed through the existing nozzle, on the one hand, the water outlet of the nozzle is easy to be blocked, causing the dispersion spraying to fail, and because of the large number, the replacement is easy to be missed, thereby indirectly causing part of the area not to be sprayed; on the other hand, the pressure of the system is not constant, when there is a nozzle blockage or other conditions, the system water pressure changes, and the existing nozzle cannot adjust to different water pressures. Under different pressures, the mist field sprayed by the single-hole nozzle is easily affected by the pressure. When the pressure is too large, the particle size of the sprayed mist is small, and when the pressure is small, the particle size of the sprayed mist is large. SUMMARY

[0004] To solve or partially solve the problems in the related art, the present application provides a multi-section high-pressure dispersion nozzle, which can automatically adjust to changes in system pressure while avoiding blockage.

[0005] The present application discloses a multi-section high-pressure dispersion nozzle, comprising:

[0006] A base plate, a plurality of first nozzles are formed on the base plate;

[0007] The first spray cavity cover is provided with a first connecting ring at the bottom and a second through hole at the top, and a plurality of second spray openings are arranged around the second through hole;

[0008] The third spray cavity cover is provided with a third connecting ring at the bottom and a threaded column at the top, and a water flow channel penetrating through the whole third spray cavity cover is arranged in the threaded column;

[0009] The self-adjusting device comprises a positioning column table, a sliding column, a sleeve and a spring, the sliding column is fixedly arranged above the center of the positioning column table, the sleeve is slidingly arranged on the sliding column, and the spring is arranged between the positioning column table and the sleeve, and a filter is further arranged;

[0010] The first spray cavity cover is provided with a plurality of covers, one of which is arranged on the base plate and connected and fastened with the base plate through the first connecting ring, the remaining first spray cavity covers are arranged above the other covers and connected and fastened with the cover bodies of the next first spray cavity covers through the first connecting rings, and the third spray cavity cover is arranged above the uppermost first spray cavity cover and connected and fastened with the cover body of the first spray cavity cover through the third connecting ring; the filter is arranged inside each spray cavity cover, and the upper and lower ends of the filter are respectively abutted with the upper and lower spray cavity covers; the self-adjusting device is arranged at the center of the base plate, the sliding column penetrates through all the spray cavity covers and is located at the center of the filter, the sleeve is initially located at the middle part of the third spray cavity cover and seals the lower part of the filter, and the sleeve slides on the sliding column according to the water pressure entering the spray cavity cover; each spray opening is connected with the inside of the spray cavity cover above it and the outside.

[0011] Optionally, the base plate is provided as a disc, the disc is provided with a first through hole at the center, a plurality of first partition plates are arranged at intervals above the disc, the intervals of the plurality of first partition plates are matched with the first connecting rings of the first spray cavity covers above them to form the first spray openings, screw holes are further arranged on the disc, the positioning column table is provided as a boss and is embedded in the first through hole and is fastened with the disc through the screw holes and the screws.

[0012] Optionally, the first spray cavity cover further comprises a first cylindrical cover body, a second partition plate and a first connecting disc, wherein the first connecting disc is provided as a pie-shaped disc, the first cylindrical cover body is fixedly connected below the first connecting disc and is provided as a cylindrical shape, and the first connecting ring is arranged around the first cylindrical cover body; the second through hole is arranged at the center of the first connecting disc; a plurality of second partition plates are arranged at intervals above the first connecting disc, and the intervals between the two second partition plates are matched with the first connecting rings of the spray cavity covers above them to form a plurality of second spray openings.

[0013] Optionally, the first connecting ring is provided with a first connecting hole, and a first sealing groove is arranged below the first connecting ring and close to the first cylindrical cover body, and an inner sealing ring is embedded in the first sealing groove; the inner sealing ring of the lowermost first spray cavity cover is tightly attached to the first partition plate, and a screw is arranged in the first connecting hole to connect and fasten the disc; the inner sealing ring of the remaining first spray cavity cover is arranged tightly against the second partition plate of another first spray cavity cover, and a screw is arranged in the first connecting hole to connect and fasten the first connecting disc.

[0014] Optionally, the third spray cavity cover further comprises a third cylindrical cover body, a third connecting ring is fixedly arranged on the outer side of the bottom of the third cylindrical cover body, the third connecting ring is provided with a third connecting hole, and a screw is arranged in the third connecting hole to connect and fasten the first spray cavity cover; a threaded column is fixedly arranged at the center top of the third cylindrical cover body.

[0015] Optionally, the inner side of the bottom of the third connecting ring is provided with a third sealing groove, an inner sealing ring is arranged in the third sealing groove, the outer side of the top of the third cylindrical cover body is provided with a fourth sealing groove, and an outer sealing ring is embedded in the fourth sealing groove.

[0016] Optionally, the filter comprises a lower connecting positioning ring, an upper connecting positioning ring, a connecting column, a filter mesh cloth and a communication hole; the lower connecting positioning ring and the upper connecting positioning ring are arranged as two rings, the connecting column is arranged between the lower connecting positioning ring and the upper connecting positioning ring, the filter mesh cloth is arranged in a cylindrical shape and fixedly arranged between the lower connecting positioning ring and the upper connecting positioning ring and on the inner side of the connecting column, and the center of the lower connecting positioning ring and the upper connecting positioning ring is provided with the communication hole.

[0017] Optionally, the top of the cover of the first spray cavity cover is provided with a first positioning groove, and the filter is embedded in the first positioning groove.

[0018] Optionally, the top of the cover of the third spray cavity cover is provided with a third positioning groove.

[0019] Optionally, the first spray cavity cover is provided with at least two, and the length of the bottommost first spray cavity cover is 1.5 to 2 times the length of the other first spray cavity cover.

[0020] The technical scheme provided in the application can have the following beneficial effects:

[0021] The device is formed by setting multiple first spray cavity covers to be connected to each other to form multiple sections of spray cavity to form multiple sections of spray head. The top of each first spray cavity cover is configured with multiple second spray openings to form a disc-shaped spray head for dispersing spray. The bottom first spray cavity cover is blocked by the bottom disc to form another disc-shaped spray head. With this arrangement, multiple spray openings are provided on one section of spray head. Even if several of them are blocked, the others can still work normally. Meanwhile, a filter is arranged inside the spray cavity cover to filter the water flow. During use, impurities can be blocked in the filter as much as possible to avoid the blockage of the spray openings. In addition, a self-adjuster is arranged to pass through all the spray cavity covers. The self-adjuster is automatically adjusted by the spring and water pressure. When the water pressure is small, the sleeve of the self-adjuster is located inside the first section of spray head, and the first section of spray head works normally. When the water pressure increases to a certain extent, the sleeve is pressed by the water pressure and moves downward along the slide column to reach the second section of spray head for spraying. This process is repeated until the sleeve moves to the lowermost position. This structure automatically adjusts the water pressure to use the spray water particle size. Even if one section of spray head is blocked, the other section of spray head can still work normally, which increases the service life of the overall spray head, reduces the maintenance and replacement cost, avoids the defect of not spraying in some areas due to the missing replacement, and indirectly causes the defect of not spraying in some areas.

[0022] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the application. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the figures, and wherein exemplary embodiments of the application are shown.

[0024] Figure 1 is a structural schematic diagram of an embodiment of the application;

[0025] Figure 2 is a sectional view of an embodiment of the application;

[0026] Figure 3 is a structural schematic diagram of a bottom disc of an embodiment of the application;

[0027] Figure 4 is a structural schematic diagram of a first spray cavity cover of an embodiment of the application;

[0028] Figure 5 is a structural schematic diagram of a second spray cavity cover of an embodiment of the application;

[0029] Figure 6 is a structural schematic diagram of a third spray cavity cover of an embodiment of the application;

[0030] Figure 7 is a structural schematic diagram of a filter shown in an embodiment of the present application;

[0031] Figure 8 is a structural schematic diagram of a self-adjuster shown in an embodiment of the present application;

[0032] Reference signs:

[0033] 1, base; 11, disc; 12, first through hole; 13, first partition; 14, first spout; 15, screw hole;

[0034] 2, first spout cavity cover; 21, first connecting ring; 22, first sealing groove; 23, first connecting hole; 24, first cylindrical cover body; 25, second partition; 26, second spout; 27, first positioning groove; 28, second through hole; 29, first connecting disc;

[0035] 3, second spout cavity cover; 31, second connecting ring; 32, second sealing groove; 33, second connecting hole; 34, second cylindrical cover body; 35, third partition; 36, third spout; 37, second positioning groove; 38, third through hole; 39, second connecting disc;

[0036] 4, third spout cavity cover; 41, third connecting ring; 42, third sealing groove; 43, third connecting hole; 44, third cylindrical cover body; 45, third positioning groove; 46, fourth positioning groove; 47, fourth sealing groove; 48, threaded column; 49, water flow channel;

[0037] 5, first filter; 51, lower connecting positioning ring; 52, upper connecting positioning ring; 53, connecting column; 54, filter screen cloth; 55, communication hole.

[0038] 6, second filter;

[0039] 7, third filter;

[0040] 8, self-adjuster; 81, positioning column table; 82, sliding column; 83, sleeve; 84, fourth connecting hole;

[0041] 9, spring;

[0042] 10, inner sealing ring;

[0043] 101, outer sealing ring. DETAILED DESCRIPTION

[0044] Embodiments of the present application will be described in more detail with reference to the drawings. Although embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application will be thorough and complete, and will fully convey the scope of the present application to those skilled in the art.

[0045] It should be understood that, although the terms "first", "second", "third", etc. can be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information, without departing from the scope of the present application. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified.

[0046] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0047] Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] To solve the above problems, the embodiments of the present application provide a multi-section high-pressure diffusion nozzle, which will be described in detail below in combination with the drawings.

[0049] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7 , a multi-section high-pressure diffusion nozzle comprises:

[0050] A bottom plate 1, a plurality of first spray openings 14 are formed on the bottom plate 1; and

[0051] A first spray cover 2, a first connecting ring 21 is formed on the bottom of the first spray cover 2, a second through hole 28 is formed on the top of the first spray cover 2, and a plurality of second spray openings 26 are formed around the second through hole 28; and

[0052] A third spray cover 4, a third connecting ring 41 is formed on the bottom of the third spray cover 4, a threaded column 48 is formed on the top of the third spray cover 4, and a water flow channel 49 is arranged in the threaded column 48 and penetrates through the third spray cover 4; and

[0053] A self-adjusting device 8, the self-adjusting device 8 includes a positioning column table 81, a sliding column 82, a sleeve 83 and a spring 9, the sliding column 82 is fixedly arranged above the center of the positioning column table 81, the sleeve 83 is slidingly arranged on the sliding column 82, and the spring 9 is arranged between the positioning column table 81 and the sleeve 83; and a filter;

[0054] Among them, the first spray cover 2 is arranged in multiple, one cover is arranged on the bottom plate 1 and is connected and fastened with the bottom plate 1 through the first connecting ring 21, the rest of the first spray cover 2 is arranged above the next one and is connected and fastened with the cover body of the next first spray cover 2 through the first connecting ring 21, the third spray cover 4 is arranged above the uppermost first spray cover 2 and is connected and fastened with the cover body of the first spray cover 2 through the third connecting ring 41; the filter is arranged inside each spray cover, the upper and lower ends of the filter respectively abut against the upper and lower spray covers; the self-adjusting device 8 is arranged at the center of the bottom plate 1, the sliding column 82 penetrates through all the spray covers and is located at the center of the filter, the sleeve 83 is initially located at the middle of the third spray cover 4 and seals the lower part of the filter, and the sleeve 83 slides on the sliding column 82 according to the water pressure entering the spray cover.

[0055] In the device, a plurality of first spray cavity covers 2 are arranged and connected to each other to form a multi-section spray cavity, and a multi-section spray head is formed. The top of each first spray cavity cover 2 is configured with a plurality of second spray openings 26 to form a disc-shaped spray head for dispersing spray. The bottom of the first spray cavity cover 2 is blocked by the bottom disc 1 and forms a disc-shaped spray head again. Through this arrangement, there are multiple spray openings on one section of the spray head, and even if some of them are blocked, the others can still work normally. At the same time, a filter is arranged inside the spray cavity cover to filter the water flow. During use, impurities and the like can be blocked in the filter as much as possible, thereby avoiding blockage of the spray openings. In addition, a self-adjuster 8 that penetrates all the spray cavity covers is also arranged. The self-adjuster 8 is automatically adjusted by a spring and water pressure. When the water pressure is small, the sleeve 83 of the self-adjuster 8 is located inside the first section of the spray head, and the first section of the spray head works normally. When the water pressure increases to a certain extent, the water pressure presses the sleeve 83 to move downward along the slide column 82 to the second section of the spray head for spraying, and then to the lowermost section. This structure automatically adjusts the water pressure to use the spray particle size on one hand, and on the other hand, even if one section of the spray head is blocked, the other section can still be used normally, increasing the service life of the overall spray head, reducing maintenance and replacement costs, avoiding the defect of indirect spraying in some areas due to easy loss during replacement.

[0056] In one embodiment, as shown in Figure 3 In order to facilitate connection and use, the bottom disc 1 is arranged as a disc, a first through hole 12 is arranged in the center of the disc, a plurality of first partitions 13 are arranged at intervals above the disc, the first connection ring 21 of the first spray cavity cover 2 above the plurality of first partitions 13 is arranged at intervals to form a first spray opening 14, screw holes 15 are further arranged on the disc, and the positioning column 81 is arranged as a boss and embedded in the first through hole 12 and fastened to the disc by a screw through the screw hole 15.

[0057] In this way, the self-adjuster 8 is positioned and placed through the first through hole 12, and then the positioning column 81 is arranged as a boss and embedded in the first through hole 12 and fastened to the disc by a screw through the screw hole 15 and the fourth connection hole 84 through a bolt. Through the arrangement of the openable and closable spray outlet, the cleaning and maintenance for replacement can be doubled.

[0058] In one embodiment, as shown in Figure 4As shown, the first spray cavity cover 2 further comprises: a first cylindrical cover body 24, a second partition plate 25, and a first connecting disc 29; wherein the first connecting disc 29 is provided as a pie-shaped disc, the first cylindrical cover body 24 is fixedly connected below the first connecting disc 29, the first connecting ring 21 is arranged around the first cylindrical cover body 24; the second through hole 28 is arranged at the center of the first connecting disc 29; a plurality of second partition plates 25 are arranged above the first connecting disc 29 at intervals, and the interval between two second partition plates 25 and the first connecting ring 21 of a spray cavity cover form a plurality of second spray openings 26. In this way, the integrated spray cavity cover is convenient for connecting and forming a spray head, and is convenient for dismounting and mounting.

[0059] In one embodiment, in order to facilitate connection and fastening, the first connecting ring 21 is provided with a first connecting hole 23, the lower part of the first connecting ring 21 is provided with a first sealing groove 22 near the first cylindrical cover body 24, and an inner sealing ring 10 is embedded in the first sealing groove 22; the inner sealing ring 10 of the lowermost first spray cavity cover 2 is in close contact with the first partition plate 13, a screw is arranged in the first connecting hole 23 and connected and fastened with the disc 11; the inner sealing ring 10 of the remaining first spray cavity cover 2 is arranged in close contact with the second partition plate 25 of another first spray cavity cover 2, and a screw is arranged in the first connecting hole 23 and connected and fastened with the first connecting disc 29.

[0060] In one embodiment, as shown, Figure 6 Since it needs to be connected with the pipe of the spraying system, the structure of the third spray cavity cover 4 is different from that of the other basin spray cavity covers, specifically, the third spray cavity cover 4 further comprises a third cylindrical cover body 44, a third connecting ring 41 is fixedly connected and arranged at the bottom outer side of the third cylindrical cover body 44, the third connecting ring 41 is provided with a third connecting hole 43, and a screw is arranged in the third connecting hole 43 and connected and fastened with the first spray cavity cover 2; a threaded column 48 is fixedly arranged at the center top of the third cylindrical cover body 44.

[0061] In one embodiment, in order to facilitate connection and sealing, the bottom inner side of the third connecting ring 41 is provided with a third sealing groove 42, an inner sealing ring 10 is arranged in the third sealing groove 42, the top outer side of the third cylindrical cover body 44 is provided with a fourth sealing groove 47, and an outer sealing ring 101 is embedded in the fourth sealing groove 47.

[0062] In one embodiment, as shown, Figure 7As shown, in order to facilitate the positioning and installation of the filter, the filter comprises a lower connecting positioning ring 51, an upper connecting positioning ring 52, a connecting column 53, a filter screen cloth 54, and a communication hole 55. The lower connecting positioning ring 51 and the upper connecting positioning ring 52 are provided as two rings, and the connecting column 53 is arranged between the lower connecting positioning ring 51 and the upper connecting positioning ring 52. The filter screen cloth 54 is fixedly arranged in a cylindrical shape between the lower connecting positioning ring 51 and the upper connecting positioning ring 52 and on the inner side of the connecting column 53. The center of the lower connecting positioning ring 51 and the upper connecting positioning ring 52 is provided with the communication hole 55. At the same time, the top of the first spray cavity cover 2 is provided with a first positioning groove 27, and the filter is embedded in the first positioning groove 27.

[0063] In one embodiment, the top of the third spray cavity cover 4 is provided with a third positioning groove 45.

[0064] In one embodiment, in order to make the best use of the spray cavity cover to form a collision head, at least two first spray cavity covers 2 are provided, wherein the length of the bottommost first spray cavity cover 2 is 1.5 to 2 times the length of the other first spray cavity covers 2. In this way, when the sleeve 83 slides to the bottom due to the larger water pressure, the inside of the bottom spray cavity cover can be conducted.

[0065] In one embodiment, as shown Figures 1 to 8 A three-section high-pressure dispersion spray head is provided, which is provided in three sections. The first section is the section where the base plate 1 is located. The base plate 1 is provided as a disc. A first through hole 12 is formed in the center of the disc. A positioning column 81 is provided as a boss and is embedded in the first through hole 12 and is fastened to the disc by screws passing through the screw holes 15 provided on the disc. A plurality of first partitions 13 are provided in the upper part of the disc at intervals. The plurality of first partitions 13 are matched with the first connecting rings 21 of the first spray cavity covers 2 above them to form first spray openings 14. The spray cavity of this section of the spray head is formed by the first spray cavity covers 2 covering the base plate 1.

[0066] Specifically, the bottom of the first spray cavity cover 2 is provided with a first connecting ring 21. A first connecting hole 23 is formed in the first connecting ring 21. When the first spray cavity cover 2 is connected and fastened to the base plate 1, the screws pass through the first connecting hole 23 and are connected and fastened to the disc 11. At the same time, a first sealing groove 22 is formed in the inner side of the first connecting ring, and an inner sealing ring 10 is embedded and arranged in the first sealing groove 22. The first spray cavity cover 2 can be sealed when it is connected and fastened to the base plate 1.

[0067] In order to facilitate the slide column 82 of the self-adjusting device and the sleeve 83 sliding on the slide column 82 to pass through the first spray cavity cover 2, a second through hole 28 is formed at the top of the first spray cavity cover 2. In order to facilitate the formation of a multi-section spray head, a plurality of second spray openings 26 are formed around the second through hole 28. A first connecting disc 29 is arranged at the top of the first cylindrical cover 24. A second partition plate 25 is arranged on the first connecting disc 29. The second partition plate 25 is connected and fastened with the second connecting ring 31 of the second spray cavity cover 3 above it to form a second-section spray head. The second spray cavity cover 3 is completely the same in structure as the third spray cavity cover 4, and both include a second connecting ring 31, a second sealing groove 32, a second connecting hole 33, a second cylindrical cover 34, a third partition plate 35, a third spray opening 36, a second positioning groove 37, and a third through hole 38. Similarly, the second connecting ring 31 is connected above the second partition plate 25 and is fastened through the second connecting hole 33. The bottom inner side of the second connecting ring 31 is provided with the second sealing groove 32, and an inner sealing ring 10 is embedded in the second sealing groove 32 to seal and form a spray opening of the second-section spray head. The bottom of the second cylindrical cover 34 is integrally connected with a second connecting disc 39, and a plurality of third partition plates 35 are arranged on the second connecting disc 39. The third partition plates 35 are arranged at intervals to form third spray openings 36. The top of the second spray cavity cover 3 is provided with a third through hole 38 for the slide column 82 and the sleeve 83 of the self-adjusting device 8 to pass through.

[0068] In order to be connected with the pipe of the spraying system, the third-section spray head formed by the third spray cavity cover 4 is different from the first spray cavity cover 2 and the second spray cavity cover 3. Specifically, the third spray cavity cover 4 includes a third connecting ring 41, a third sealing groove 42, a third connecting hole 43, a third cylindrical cover 44, a third positioning groove 45, a fourth positioning groove 46, a fourth sealing groove 47, a threaded column 48, and a water flow channel 49. The third connecting ring 41 is fixedly arranged at the bottom outer side of the third cylindrical cover 44. The third connecting ring 41 is provided with the third connecting hole 43. A screw is arranged in the third connecting hole 43 to connect and fasten the second connecting disc 39 of the second spray cavity cover 3. The threaded column 48 is fixedly arranged at the center top of the third cylindrical cover 44. The inner side of the third connecting ring 41 is also provided with the third sealing groove 42, and an inner sealing ring 10 is arranged in the third sealing groove 42 to seal when connected. An outer sealing ring 101 is arranged in the fourth sealing groove 47 at the top to seal the threaded column 48 when connected with the pipe.

[0069] The first filter 5 is arranged in the first spray cavity cover 2, the second filter 6 is arranged in the second spray cavity cover 3, and the third filter is arranged in the third spray cavity cover 4. The three filters are the same in structure and each comprises a lower connecting positioning ring 51, an upper connecting positioning ring 52, a connecting column 53, a filter screen cloth 54 and a communication hole 55. The lower connecting positioning ring 51 and the upper connecting positioning ring 52 are arranged as two rings, the connecting column 53 is arranged between the lower connecting positioning ring 51 and the upper connecting positioning ring 52, the filter screen cloth 54 is fixedly arranged between the lower connecting positioning ring 51 and the upper connecting positioning ring 52 and on the inner side of the connecting column 53, and the communication hole 55 is arranged in the center of the lower connecting positioning ring 51 and the upper connecting positioning ring 52. Meanwhile, the first positioning groove 27 is formed in the top of the first spray cavity cover 2, and the first filter 5 is embedded in the first positioning groove 27. The second positioning groove 37 is formed in the top of the second spray cavity cover 3, and the top of the second filter 6 is embedded in the second positioning groove 37. The third positioning groove 45 is formed in the top of the third spray cavity cover 4, and the top of the third filter is embedded in the third positioning groove 45. In this way, the filters are conveniently positioned and fastened.

[0070] At the same time, since the third spray cavity cover 4 is arranged in the third section of the spray head, the other two sections of the spray head do not work in normal working, and the other two sections of the spray head work according to the water pressure change, therefore, the diameters of the second communication hole 28, the third communication hole 38 and the communication hole 55 of each filter are preferably matched with the outer diameter of the sleeve 83. The top of the sleeve 83 is pressed against the spring 9 of the self-adjusting device 8, and the spring 9 is a flexible spring which can set three working conditions of 1Mpa, 2Mpa and 3Mpa according to the requirement. If necessary, one or two sealing rings with circular cross section can be embedded on the inner wall of each communication hole for sealing. Only when the water pressure is higher than the standard water pressure after the last section of the spray head is completely opened and works, the second section of the spray head is opened and works under the water pressure.

[0071] In the application, in order to facilitate filtration, the filter screen cloth is selected as a vertical carbon fiber screen cloth which is arranged in a circumferential type between the lower connecting positioning ring 51 and the upper connecting positioning ring 52. The liquid flow channel is formed by an inner spacing of 0.05mm and an outer spacing of 0.01mm. The liquid flows out from the liquid flow channel in the vertical filter, and the impurities smaller than 0.05mm are intercepted by the filter screen cloth, and the rest of the algae can be adsorbed by the internal mesh structure of the carbon fiber screen cloth.

[0072] In the application, when the water pressure is less than 1Mpa, the liquid enters from one side of the front end of the third filter 7 and flows out from the other side to the third spray opening 36 formed by the third partition plate 35, and the third spray opening 36 is arranged to be capable of making the water droplets reach 40 —200 When the water pressure is 1-2 MPa, the water pressure continues to push the sleeve 83 on the flexible spring to move downward, the flexible spring is further compressed, at this time, the drug solution is sprayed out from the third nozzle 36, and a part of the drug solution enters the cavity where the second spray cavity cover is located, and is filtered by the second filter 6 and sprayed out from the second nozzle;

[0073] When the water pressure is 2-3 MPa, the water pressure continues to push the sleeve 83 on the flexible spring, and the flexible spring is further compressed, at this time, the first nozzle 14 needs to work, so the upper end of the first filter 5 should be opened, and because the bottom limits the movement of the sleeve 83, the length of the first cylindrical cover body 24 where the spray head of the last section is located is longer than that of the spray heads of the two ends, so that when the sleeve 83 is compressed to the end, the first filter 5 of this section can be opened, so that the water is normally sprayed out, and the length of the first cylindrical cover body 24 of the first spray cavity cover 2 at the bottom is set to 1.5 times that of the other first cylindrical cover body 24, or the length of the first spray cavity cover 2 is 1.5 times that of the second spray cavity cover 3, so that when the sleeve 83 is compressed to the end, at least half of the first filter 5 is opened, of course, it can also be directly set to 2 times, and completely opened.

[0074] The high-pressure three-section high-pressure dispersion nozzle can also solve the technical problems of easy water leakage and easy blockage of the existing nozzle. The use of the vertical carbon fiber mesh cloth and the replaceable filter core can avoid the easy blockage of the nozzle, and on the other hand, the use of the rubber sealing ring can effectively prevent water leakage of the nozzle.

[0075] In the design of the nozzle, in order to ensure that the change of pressure difference leads to a large change process of the spray field, the gap or flow channel column included angle of the nozzle where the third spray cavity cover is located is 2°, the flow channel column is a kind of fan-shaped partition column with an inner circular cross-sectional area of 1.57*8 mm2, an outer circle of 2.62*8 mm2, and a length of 30 mm, and a total of 96 are arranged along the center, so that the number of flow channels is 97, the water outlet cross section of the inner flow channel is 8*1.3 mm2, and the water outlet cross section of the outer flow channel is 8*2.3 mm2.

[0076] The gap or flow channel column included angle of the nozzle where the second spray cavity cover is located is 2°, the flow channel column is a kind of fan-shaped partition column with an inner circular cross-sectional area of 1.57*8 mm2, an outer circle of 2.62*8 mm2, and a length of 30 mm, and a total of 96 are arranged along the center, so that the number of flow channels is 97, the water outlet cross section of the inner flow channel is 8*1.3 mm2, and the water outlet cross section of the outer flow channel is 8*2.3 mm2.

[0077] The gap of the nozzle, where the first spray cavity cover is located, is 2°, the flow channel column is a fan-shaped inner circle with a cross-sectional area of 1.57*8 mm2, an outer circle of 2.62*8 mm2, and a length of 30 mm, and 54 partitions are arranged along the center, so the number of flow channels is 55, the inner flow channel has an outlet water cross-section of 8*3.6 mm2, and the outer flow channel has an outlet water cross-section of 8*6.1 mm2.

[0078] In this way, the number of flow channels is gradually reduced to avoid changes in pressure difference, reduce changes in the mist field caused by changes in pressure difference, and maintain the uniform size of the sprayed water mist.

[0079] Finally, it should be noted that in this document, relationships such as first and second, and the like, are used only to distinguish one entity or action from another, and do not necessarily require or imply any actual such relationship or order between or among such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0080] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e. may be located in one place or distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.

[0081] The above has described the embodiments of the present application, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles, practical applications, or improvements to the technology in the market of the embodiments, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.

Claims

1. A multi-section high-pressure dispersion nozzle, characterized in that: include: A chassis (1), wherein a plurality of first nozzles (14) are constructed on the chassis (1); and A first spray chamber cover (2), wherein the bottom of the first spray chamber cover (2) is configured with a first connecting ring (21), the top is configured with a second through hole (28), and a plurality of second nozzles (26) are configured around the second through hole (28); and a third spray chamber cover (4), wherein the bottom of the third spray chamber cover (4) is configured with a third connecting ring (41), the top of the third spray chamber cover (48) is configured with a threaded column (48), and a water flow channel (49) is provided in the threaded column (48) and runs through the entire third spray chamber cover (4); and A self-regulator (8), the self-regulator (8) comprising a positioning column (81), a sliding column (82), a sleeve (83) and a spring (9); the sliding column (82) is fixedly arranged above the center of the positioning column (81), the sleeve (83) is slidingly arranged on the sliding column (82), and a spring (9) is arranged between the positioning column (81) and the sleeve (83); and a filter; Wherein, the first spray chamber cover (2) is provided in a plurality, one of which is provided on the chassis (1) and is connected and fastened to the chassis (1) via the first connecting ring (21), the remaining first spray chamber covers (2) are provided above another and are connected and fastened to the cover body of the next first spray chamber cover (2) via the first connecting ring (21), and the third spray chamber cover (4) is provided above the topmost first spray chamber cover (2) and is connected to the cover body of the first spray chamber cover (2) via the third connecting ring (41). Fasten; the filter is arranged inside each spray chamber cover, and the upper and lower ends of the filter are respectively in contact with the upper and lower spray chamber covers; the self-regulator (8) is arranged at the center of the chassis (1), the slide column (82) passes through all the spray chamber covers and is located at the center of the filter, the sleeve (83) is initially located in the middle of the third spray chamber cover (4) and seals the lower part of the filter, and the sleeve (83) slides on the slide column (82) according to the water pressure entering the spray chamber cover; each nozzle connects the interior of the spray chamber cover above it with the outside world.

2. A multi-section high-pressure dispersion nozzle according to claim 1, characterized in that: The chassis (1) is configured as a disc, a first through hole (12) is constructed at the center of the disc, a plurality of first partitions (13) are constructed above the disc at intervals, the intervals between the plurality of first partitions (13) cooperate with the first connecting ring (21) of the first spray chamber cover (2) above them to form the first nozzle (14), and a screw hole (15) is also provided on the disc. The positioning column (81) is configured as a boss and is embedded in the first through hole (12) and is fastened to the disc by screws passing through the screw holes (15).

3. The multi-section high-pressure dispersion nozzle according to claim 1, characterized in that: The first spray chamber cover (2) further comprises: a first cylindrical cover body (24), a second partition (25), and a first connecting disc (29); wherein the first connecting disc (29) is provided with a pancake-shaped disc, and a cylindrical first cylindrical cover body (24) is fixedly connected and provided below the first connecting disc (29); the first connecting ring (21) is provided around the first cylindrical cover body (24); the second through hole (28) is provided at the center of the first connecting disc (29); a plurality of second partitions (25) are provided at intervals above the first connecting disc (29), and the intervals between two second partitions (25) cooperate with the first connecting ring (21) of the spray chamber cover to form a plurality of second nozzles (26).

4. The multi-section high-pressure dispersion nozzle according to claim 2, characterized in that: A first connecting hole (23) is constructed on the first connecting ring (21), a first sealing groove (22) is constructed below the first connecting ring (21) near the first cylindrical cover (24), and an inner sealing ring (10) is embedded in the first sealing groove (22); the inner sealing ring (10) of the lowermost first spray chamber cover (2) is tightly attached to the first partition (13), and a screw is provided in the first connecting hole (23) to connect and fasten it with the disc (11); the inner sealing ring (10) of the remaining first spray chamber covers (2) is tightly attached to the second partition (25) of another first spray chamber cover (2), and a screw is provided in the first connecting hole (23) to connect and fasten it with the first connecting disc (29).

5. The multi-section high-pressure dispersion nozzle according to claim 1, characterized in that: The third spray chamber cover (4) further comprises a third cylindrical cover body (44), the third connecting ring (41) is fixedly arranged on the outside of the bottom of the third cylindrical cover body (44), the third connecting ring (41) is provided with a third connecting hole (43), a screw is arranged in the third connecting hole (43) and is fastened to the first spray chamber cover (2); the threaded column (48) is fixedly arranged on the center top of the third cylindrical cover body (44).

6. The multi-section high-pressure dispersion nozzle according to claim 5, characterized in that: A third sealing groove (42) is formed on the inner side of the bottom of the third connecting ring (41), and an inner sealing ring (10) is provided in the third sealing groove (42). A fourth sealing groove (47) is formed on the outer side of the top of the third cylindrical cover (44), and an outer sealing ring (101) is embedded in the fourth sealing groove (47).

7. The multi-section high-pressure dispersion nozzle according to claim 1, characterized in that: The filter comprises a lower connecting positioning ring (51), an upper connecting positioning ring (52), a connecting column (53), a filter mesh (54), and a communicating hole (55); the lower connecting positioning ring (51) and the upper connecting positioning ring (52) are configured as two rings, a connecting column (53) is provided between the lower connecting positioning ring (51) and the upper connecting positioning ring (52), the filter mesh (54) is formed into a cylindrical shape and is fixedly provided between the lower connecting positioning ring (51) and the upper connecting positioning ring (52) and located on the inner side of the connecting column (53), and a communicating hole (55) is provided at the center of the lower connecting positioning ring (51) and the upper connecting positioning ring (52).

8. The multi-section high-pressure dispersion nozzle according to claim 1, characterized in that: A first positioning groove (27) is formed on the top of the inner cover of the first spray chamber cover (2), and the filter is embedded in the first positioning groove (27).

9. The multi-section high-pressure dispersion nozzle according to claim 1, characterized in that: A third positioning groove (45) is formed on the top of the inner portion of the third spray chamber cover (4).

10. The multi-section high-pressure dispersion nozzle according to claim 1, characterized in that: At least two first spray chamber covers (2) are provided, wherein the length of the bottom first spray chamber cover (2) is 1.5 times the length of the other first spray chamber covers (2).

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