Adjustable self-cleaning dry fog nozzle

Abstract

The utility model discloses an adjustable self-cleaning dry fog nozzle which comprises a pushing assembly, a fixing assembly, an adjusting assembly, an ejector pin, a sealing assembly, a sealing connecting piece, a nozzle connecting piece and a nozzle assembly, the lower end of the pushing assembly is fixedly connected with the upper end of the fixing assembly, and the lower end of the fixing assembly is arranged in the sealing connecting piece in a sleeved mode. The lower end of the sealing connecting piece is connected with the upper end of the nozzle connecting piece, and the lower end of the nozzle connecting piece is connected with the nozzle assembly. The adjusting assembly is installed at the outer end of the fixing assembly in an angle-adjustable mode. The upper end of the ejector pin is connected with the movable end of the pushing assembly, and when the pushing assembly drives the ejector pin to stretch out, the lower end of the ejector pin penetrates into the fixing assembly, the sealing assembly, the nozzle connecting piece and the nozzle assembly to achieve spraying work of the nozzle assembly. When the pushing assembly drives the ejector pin to retract, the lower end of the ejector pin penetrates into the fixing assembly, the sealing assembly and the nozzle connecting piece, and unblocking in the nozzle assembly is achieved. According to the utility model, self-cleaning and angle adjustment can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of nozzles, in particular to an adjustable self-cleaning dry mist nozzle. Background Art

[0002] Dry fog equipment is widely used in dust removal, dust suppression and other related fields. Through the combination of water and gas, the nozzle is prompted to spray water mist, so that the dust particles combine with the water mist and settle under the action of their own gravity, achieving the dust suppression effect.

[0003] The existing nozzle equipment has the following problems:

[0004] 1. At present, due to the harsh conditions on site and the scarcity of water resources in some areas, the water quality used on site is poor (containing more impurities and particles), which leads to the blockage of dry fog nozzles and the loss of dust suppression effect. Some sites will use large-diameter dry fog nozzles to reduce the probability of nozzle blockage, but large-diameter nozzles not only greatly increase water consumption, but also insufficient water and gas combination, unclear atomization effect, and nozzle blockage.

[0005] 2. The installation position of most existing nozzles is fixed, and the spraying direction is relatively single. Generally, they are located directly above the equipment to be sprayed. It is difficult to adjust the direction of the nozzle after the nozzle position is fixed.

[0006] 3. When the nozzle is clogged, it needs to be cleaned manually, resulting in increased maintenance costs. Utility Model Content

[0007] In view of this, the purpose of the utility model is to provide an adjustable self-cleaning dry mist nozzle.

[0008] In order to achieve the above technical objectives, the technical solution adopted by the utility model is:

[0009] An adjustable self-cleaning dry mist nozzle comprises: a pushing component, a fixing component, an adjusting component, a ejector pin, a sealing component, a sealing connector, a nozzle connector and a nozzle component, wherein the lower end of the pushing component is fixedly connected to the upper end of the fixing component, the lower end of the fixing component is sleeved in the sealing connector, the sealing component is sleeved inside the lower end of the fixing component, the lower end of the sealing connector is connected to the upper end of the nozzle connector, and the lower end of the nozzle connector is connected to the nozzle component; the adjusting component is installed at the outer end of the fixing component in an adjustable angle; the upper end of the ejector pin is connected to the movable end of the pushing component, when the pushing component is brought to the ejector pin to extend downward, the lower end of the ejector pin sequentially penetrates into the fixing component, the sealing component, the nozzle connector and the nozzle component to realize the spraying operation of the nozzle component; when the pushing component is brought to the ejector pin to retract upward, the lower end of the ejector pin sequentially penetrates into the fixing component, the sealing component and the nozzle connector to realize the clearing of the blockage in the nozzle component.

[0010] Furthermore, the pushing assembly includes a cylinder body, a piston rod and two first quick connectors. A cavity is provided in the cylinder body. The upper end of the piston rod can be movably installed in the cavity up and down. The lower end of the piston rod is fixedly connected to the upper end of the ejector pin. The two first quick connectors are respectively installed at the upper and lower positions on any side of the cylinder body. The bottom of the cylinder body is fixedly connected to the upper end of the fixing assembly.

[0011] Furthermore, the fixing assembly includes a fixing plate, a fixing rod, a universal ball head, a connecting rod and a threaded rod which are fixedly connected in sequence from top to bottom; a plurality of first mounting holes are provided around the bottom of the cylinder body, and a plurality of second mounting holes corresponding to the first mounting holes are provided around the upper end of the fixing plate, and the first mounting holes and the second mounting holes are fixedly connected to the bottom of the cylinder body by fixing bolts; the threaded rod is threadedly connected in the sealing connector.

[0012] Furthermore, the adjustment assembly includes two semicircular fixed blocks, each of which has a docking hole horizontally extending through the end faces on both sides of the fixed block, and the two fixed blocks are assembled through the docking holes to form a circular fixed seat, and the fixed seat is provided with an inner cavity matching the size of the universal ball head, and the universal ball head is installed in the inner cavity, and the angle between the fixed seat and the universal ball head is adjusted by the installation position of the fixed seat; multiple fixing holes are vertically extended through the upper and lower end faces of the fixed seat.

[0013] Furthermore, the sealing assembly includes an upper sealing ring, a fixed sleeve and a lower sealing ring which are sequentially inserted into the threaded rod from top to bottom, and the outer walls of the upper sealing ring, the fixed sleeve and the lower sealing ring are fitted with the inner wall of the threaded rod, and the inner walls of the upper sealing ring, the fixed sleeve and the lower sealing ring are fitted with the outer wall of the ejector pin.

[0014] Further, the nozzle assembly includes a nozzle, a nozzle cover and a connecting collar, the nozzle cover is connected to the lower end of the nozzle through the connecting collar, and a plurality of nozzle holes are provided at the bottom of the nozzle cover; the nozzle connector includes a four-way connecting pipe, a second quick connector and a third quick connector, the upper end of the four-way connecting pipe is connected to the lower end of the sealing connector, the left end of the four-way connecting pipe is connected to the second quick connector, and the right end of the four-way connecting pipe is connected to the third quick connector;

[0015] A water inlet pipe is provided through the middle of the nozzle, the upper end of the water inlet pipe is inserted into the lower end of the four-way connecting pipe, a water inlet groove is provided in the right end of the four-way connecting pipe, the water outlet of the third quick connector is communicated with the water inlet of the water inlet groove, and the water outlet of the water inlet groove is located at the upper edge of the water inlet pipe; when the piston rod is brought to the ejector pin to extend downward, the lower end of the ejector pin extends into the interior of the water inlet pipe, the internal structure of the water inlet pipe is adapted to the internal structure of the lower end of the ejector pin, and the diameter of the water inlet pipe is larger than the diameter of the ejector pin, and a water flow channel is formed between the inner side wall of the water inlet pipe and the outer side wall of the ejector pin;

[0016] The upper end of the nozzle is provided with grooves around it, and a plurality of air inlet pipes are penetrated through the grooves. The lower end of the four-way connecting pipe is provided with an air inlet groove, and the air inlet groove is located at the periphery of the upper end of the water inlet pipe. The air outlet of the second quick connector is located on the air inlet of the air inlet groove, and the air outlet of the air inlet groove is located directly above the groove.

[0017] Furthermore, a nozzle guard is installed on the periphery of the nozzle assembly.

[0018] Furthermore, it also includes a PLC controller and a solenoid valve, and the PLC controller is connected to the two first quick connectors through the solenoid valve.

[0019] Furthermore, a first gasket is installed between the sealing connector and the nozzle connector, a second gasket is installed between the nozzle connector and the nozzle assembly, the second gasket is provided with through holes adapted to the lower ends of multiple intake pipes, and a third gasket is installed between the fixing plate and the fixing bolt.

[0020] Furthermore, wrench positions are provided on the surfaces of the connecting rod and the sealing connecting piece.

[0021] By adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0022] 1. When the spraying work starts, the piston rod extends, driving the ejector pin to push out the water outlet of the water inlet pipe of the nozzle assembly, reducing the effective water output of the nozzle assembly; when foreign particles block the water outlet of the water inlet pipe of the nozzle assembly, the piston rod retracts, driving the ejector pin to retract, and the effective aperture of the water inlet pipe of the nozzle assembly 8 is increased, thereby increasing the effective water output of the water inlet pipe of the nozzle assembly 8, bringing the foreign particles out of the nozzle and discharging them from the nozzle hole. After the foreign particles are discharged, the piston rod extends again, driving the ejector pin 4 to extend, pushing the larger foreign particles out of the nozzle, cleaning the foreign particles that are not discharged with the water flow, and completing the self-cleaning of the nozzle.

[0023] 2. Use an adjustable angle fixing base and a universal ball head. After loosening the bolts of the docking hole, you can turn the universal ball head to change the angle between the fixing base and the universal ball head, which is convenient for controlling the nozzle spray direction and effectively reduces the difficulty of installation. The fixing base can be installed above the position where dust suppression is required through the fixing hole, so that the dry mist spray direction can be adjusted in all directions, and the dust suppression effect can be achieved with the most reasonable arrangement.

[0024] 3. The utility model can be self-cleaning and has extremely low requirements for water quality. Recycled water can be used on site for work, which greatly reduces water consumption and also reduces the maintenance cost of manual clearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a stereoscopic diagram of an adjustable self-cleaning dry mist nozzle provided by the utility model.

[0027] Figure 2 It is an exploded view of an adjustable self-cleaning dry mist nozzle provided by the utility model.

[0028] Figure 3 yes Figure 1 Front view (90 degrees between the fixed seat and the universal ball head).

[0029] Figure 4 yes Figure 3 Front view showing a non-90 degree angle between the center fixed seat and the universal ball head.

[0030] Figure 5 yes Figure 1 Left side view (nozzle guard not shown).

[0031] Figure 6 When the utility model is in normal working state Figure 5 Cross-sectional view of area A in the middle along the BB direction.

[0032] Figure 7 This is one of the three-dimensional diagrams of the nozzle structure provided by the utility model.

[0033] Figure 8 This is the second stereoscopic diagram of the nozzle structure provided by the utility model.

[0034] Fig. 9It is a circuit connection diagram of the PLC controller provided by the utility model.

[0035] Description of the numbers in the figure:

[0036] 1-pushing assembly, 11-cylinder body, 12-piston rod, 13-first quick connector, 14-cavity, 15-first mounting hole, 2-fixing assembly, 21-fixing plate, 22-fixing rod, 23-universal ball head, 24-connecting rod, 25-threaded rod, 26-second mounting hole, 27-fixing bolt, 3-adjusting assembly, 30-fixing seat, 31-fixing block, 32-docking hole, 33-inner cavity, 34-fixing hole, 4-thimble, 5-sealing assembly, 51-upper sealing ring, 52-fixing sleeve, 53-lower sealing Sealing ring, 6-sealing connector, 7-nozzle connector, 71-four-way connecting pipe, 72-second quick connector, 73-third quick connector, 74-water inlet groove, 75-air inlet groove, 8-nozzle assembly, 81-nozzle, 82-nozzle cover, 83-connecting collar, 84-nozzle hole, 85-water inlet pipe, 86-groove, 87-air inlet pipe, 9-nozzle guard, 101-PLC controller, 102-solenoid valve, 103-first gasket, 104-second gasket, 105-third gasket, 106-wrench position. DETAILED DESCRIPTION

[0037] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is particularly noted that the following embodiments are only used to illustrate the present invention, but do not limit the scope of the present invention. Similarly, the following embodiments are only partial embodiments of the present invention rather than all embodiments. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-Figure 9The utility model is an adjustable self-cleaning dry mist nozzle, comprising: a pushing component 1, a fixing component 2, an adjusting component 3, a ejector pin 4, a sealing component 5, a sealing connector 6, a nozzle connector 7 and a nozzle component 8, wherein the lower end of the pushing component 1 is fixedly connected to the upper end of the fixing component 2, the lower end of the fixing component 2 is sleeved in the sealing connector 6, the sealing component 5 is sleeved inside the lower end of the fixing component 2, the lower end of the sealing connector 6 is connected to the upper end of the nozzle connector 7, and the lower end of the nozzle connector 7 is connected to the nozzle component 8 The adjusting component 3 is installed at the outer end of the fixing component 2 in an adjustable angle; the upper end of the ejector pin 4 is connected to the movable end of the pushing component 1. When the pushing component 1 is brought to the ejector pin 4 to extend downward, the lower end of the ejector pin 4 is sequentially inserted into the fixing component 2, the sealing component 5, the nozzle connector 7 and the nozzle component 8 to realize the spraying work of the nozzle component 8; when the pushing component 1 is brought to the ejector pin 4 to retract upward, the lower end of the ejector pin 4 is sequentially inserted into the fixing component 2, the sealing component 5 and the nozzle connector 7 to realize the clearing of the nozzle component 8. The structure is simple, basically maintenance-free, and has the characteristics of easy installation, disassembly and maintenance.

[0039] In this embodiment, the pushing assembly 1 includes a cylinder body 11, a piston rod 12 and two first quick connectors 13. A cavity 14 is provided in the cylinder body 11. The upper end of the piston rod 12 can be movably installed in the cavity 14 up and down. The lower end of the piston rod 12 is fixedly connected to the upper end of the ejector pin 4. The two first quick connectors 13 are respectively installed at the upper and lower positions of any side surface of the cylinder body 11. The first quick connector 13 has an inclination angle with the horizontal direction. The bottom of the cylinder body 11 is fixedly connected to the upper end of the fixing assembly 2. The air source required for the piston rod 12 in the cylinder body 11 to move up and down is the air source connected to the dry fog equipment through the first quick connector 13, and there is no need to add an additional air source. The action time of the piston rod 12 can be set according to the water quality under different working conditions.

[0040] In this embodiment, the fixing assembly 2 includes a fixing plate 21, a fixing rod 22, a universal ball head 23, a connecting rod 24 and a threaded rod 25 which are fixedly connected in sequence from top to bottom; a plurality of first mounting holes 15 are provided around the bottom of the cylinder body 11, and a plurality of second mounting holes 26 corresponding to the first mounting holes 15 are provided around the upper end of the fixing plate 21. The first mounting holes 15 and the second mounting holes 26 are fixedly connected to the bottom of the cylinder body 11 by fixing bolts 27; the threaded rod 25 is threadedly connected to the sealing connector 6.

[0041] In this embodiment, the adjustment component 3 includes two semicircular fixed blocks 31, and the two side end surfaces of each fixed block 31 are horizontally penetrated with docking holes 32. The two fixed blocks 31 are assembled through the docking holes 32 to form a circular fixed seat 30. The fixed seat 30 is provided with an inner cavity 33 matching the size of the universal ball head 23. The universal ball head 23 is installed in the inner cavity 33. The angle between the fixed seat 30 and the universal ball head 23 is adjusted by the installation position of the fixed seat 30; the upper and lower end surfaces of the fixed seat 30 are vertically penetrated with a plurality of fixing holes 34. The fixed seat 30 and the universal ball head 23 that can adjust the angle are used. After loosening the bolts of the docking holes 32, the universal ball head 23 can be rotated to change the angle between the fixed seat 30 and the universal ball head 23, which is convenient for controlling the spray direction of the nozzle and effectively reduces the difficulty of installation. The fixed seat 30 can be installed above the position where dust suppression is required through the fixing holes 34, so that the dry fog spraying direction can be adjusted in all directions, and the dust suppression effect can be achieved with the most reasonable arrangement.

[0042] In this embodiment, the sealing assembly 5 includes an upper sealing ring 51, a fixing sleeve 52 and a lower sealing ring 53 which are sequentially sleeved in the threaded rod 25 from top to bottom, and the outer side walls of the upper sealing ring 51, the fixing sleeve 52 and the lower sealing ring 53 are in contact with the inner side wall of the threaded rod 25, and the inner side walls of the upper sealing ring 51, the fixing sleeve 52 and the lower sealing ring 53 are in contact with the outer side wall of the ejector pin 4. The sealing assembly 5 is used to prevent the liquid from flowing back and affecting normal use.

[0043] In this embodiment, the nozzle assembly 8 includes a nozzle 81, a nozzle cover 82 and a connecting collar 83. The nozzle cover 82 is connected to the lower end of the nozzle 81 through the connecting collar 83. A plurality of nozzle holes 84 are provided at the bottom of the nozzle cover 82. The nozzle connector 7 includes a four-way connecting pipe 71, a second quick connector 72 and a third quick connector 73. The upper end of the four-way connecting pipe 71 is connected to the lower end of the sealing connector 6, the left end of the four-way connecting pipe 71 is connected to the second quick connector 72, and the right end of the four-way connecting pipe 71 is connected to the third quick connector 73.

[0044] A water inlet pipe 85 is provided through the middle of the nozzle 81, and the upper end of the water inlet pipe 85 is inserted into the lower end of the four-way connecting pipe 71. A water inlet groove 74 is provided in the right end of the four-way connecting pipe 71. The water outlet of the third quick connector 73 is communicated with the water inlet of the water inlet groove 74, and the water outlet of the water inlet groove 74 is located at the upper edge of the water inlet pipe 85; when the piston rod 12 is brought to the ejector pin 4 to extend downward, the lower end of the ejector pin 4 extends into the interior of the water inlet pipe 85, and the lower end of the ejector pin 4 pushes out the water outlet of the water inlet pipe 85. The internal structure of the water inlet pipe 85 is adapted to the internal structure of the lower end of the ejector pin 4, and the diameter of the water inlet pipe 85 is larger than the diameter of the ejector pin 4. The difference between the lower end radius of the water inlet pipe 85 and the lower end radius of the ejector pin 4 is in the range of 0.1-0.3 mm; a water flow channel is formed between the inner side wall of the water inlet pipe 85 and the outer side wall of the ejector pin 4;

[0045] The upper end of the nozzle 81 is provided with a groove 86 around it, and a plurality of air inlet pipes 87 are penetrated in the groove 86. The lower end of the four-way connecting pipe 71 is provided with an air inlet groove 75, and the air inlet groove 75 is located at the periphery of the upper end of the water inlet pipe 85. The air outlet of the second quick connector 72 is located on the air inlet of the air inlet groove 75, and the air outlet of the air inlet groove 75 is located directly above the groove 85.

[0046] The water source and the air source use different paths respectively, wherein the water source enters the nozzle cover 82 through the third quick connector 73, the water inlet groove 74 and the water flow channel in sequence, and the air source enters the nozzle cover 82 through the second quick connector 72, the air inlet groove 75, the groove 86 and the air inlet pipe 87 in sequence, and the gas and liquid are combined with water vapor in the nozzle cover 82 for atomization. By changing the water-gas ratio, the liquid can be efficiently atomized into tiny particles and sprayed out from the nozzle hole 84, thereby achieving uniform and efficient spraying with a long service life.

[0047] In this embodiment, a nozzle guard 9 is further installed on the periphery of the nozzle assembly 8; the nozzle guard 9 can effectively protect the nozzle assembly 8 and prevent large particles from directly impacting the nozzle assembly 8.

[0048] In this embodiment, a PLC controller 101 and a solenoid valve 102 are also included. The PLC controller 101 is connected to the two first quick connectors 13 via the solenoid valve 102 , and automated processing can be achieved via the PLC controller 101 .

[0049] In this embodiment, a first gasket 103 is installed between the sealing connector 6 and the nozzle connector 7, a second gasket 104 is installed between the nozzle connector 7 and the nozzle assembly 8, the second gasket 104 is provided with through holes adapted to the lower ends of multiple intake pipes 87, and a third gasket 105 is installed between the fixing plate 21 and the fixing bolt 27.

[0050] In this embodiment, wrench positions 106 are provided on the surfaces of the connecting rod 24 and the sealing connector 6 to facilitate installation.

[0051] The working principle of the utility model is as follows:

[0052] When the spraying work starts, the piston rod 12 extends, driving the ejector pin 4 to push out the outlet of the water inlet pipe 85 of the nozzle assembly 8, reducing the effective water output of the nozzle assembly 8; when there are foreign particles blocking the outlet of the water inlet pipe 85 of the nozzle assembly 8, the piston rod 12 retracts, driving the ejector pin 4 to retract, the effective aperture of the water inlet pipe 85 of the nozzle assembly 8 is increased, and the effective water output of the water inlet pipe 85 of the nozzle assembly 8 is increased, and the foreign particles are taken out of the nozzle 81 and discharged from the nozzle hole 84. After the foreign particles are discharged, the piston rod 12 extends again, driving the ejector pin 4 to extend, and the larger foreign particles are pushed out of the nozzle 81, and the foreign particles that are not discharged with the water flow are cleaned, and the nozzle 81 is self-cleaned; the adjustable self-cleaning dry fog nozzle can be matched with different nozzle assemblies 8 and ejector pins 4, and different levels of water consumption and dry fog atomization effects can be achieved. Because it can be self-cleaned, the utility model has extremely low requirements for water quality, and reused water can be used on site for work, which greatly reduces the water consumption and also reduces the maintenance cost of manual clearing. Environmentally friendly, saves water resources, reduces the use of chemicals, and is friendly to the environment and human body.

[0053] The above descriptions are only some embodiments of the present invention, and do not limit the protection scope of the present invention. Any equivalent device or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An adjustable self-cleaning dry mist nozzle, characterized in that: include: A pushing component, a fixing component, an adjusting component, a ejector pin, a sealing component, a sealing connector, a nozzle connector and a nozzle component, wherein the lower end of the pushing component is fixedly connected to the upper end of the fixing component, the lower end of the fixing component is sleeved in the sealing connector, the sealing component is sleeved inside the lower end of the fixing component, the lower end of the sealing connector is connected to the upper end of the nozzle connector, and the lower end of the nozzle connector is connected to the nozzle component; the adjusting component is installed at the outer end of the fixing component in an adjustable angle; the upper end of the ejector pin is connected to the movable end of the pushing component, when the pushing component is brought to the ejector pin to extend downward, the lower end of the ejector pin sequentially penetrates into the fixing component, the sealing component, the nozzle connector and the nozzle component to realize the spraying operation of the nozzle component; when the pushing component is brought to the ejector pin to retract upward, the lower end of the ejector pin sequentially penetrates into the fixing component, the sealing component and the nozzle connector to realize the clearing of the blockage in the nozzle component.

2. An adjustable self-cleaning dry mist nozzle as claimed in claim 1, characterized in that: The pushing assembly includes a cylinder body, a piston rod and two first quick connectors. A cavity is provided in the cylinder body. The upper end of the piston rod can be movably installed in the cavity up and down. The lower end of the piston rod is fixedly connected to the upper end of the ejector pin. The two first quick connectors are respectively installed at the upper and lower positions of any side surface of the cylinder body. The bottom of the cylinder body is fixedly connected to the upper end of the fixing assembly.

3. An adjustable self-cleaning dry mist nozzle as claimed in claim 2, characterized in that: The fixing assembly includes a fixing plate, a fixing rod, a universal ball head, a connecting rod and a threaded rod which are fixedly connected in sequence from top to bottom; a plurality of first mounting holes are arranged around the bottom of the cylinder body, a plurality of second mounting holes corresponding to the first mounting holes are arranged around the upper end of the fixing plate, and the first mounting holes and the second mounting holes are fixedly connected to the bottom of the cylinder body by fixing bolts; the threaded rod is threadedly connected in the sealing connector.

4. An adjustable self-cleaning dry mist nozzle as claimed in claim 3, characterized in that: The adjustment assembly includes two semicircular fixing blocks, and the two side end surfaces of each fixing block are horizontally penetrated with docking holes. The two fixing blocks are assembled through the docking holes to form a circular fixing seat. The fixing seat is provided with an inner cavity matching the size of the universal ball head. The universal ball head is installed in the inner cavity, and the angle between the fixing seat and the universal ball head is adjusted by the installation position of the fixing seat; the upper and lower end surfaces of the fixing seat are vertically penetrated with multiple fixing holes.

5. The adjustable self-cleaning dry mist nozzle according to claim 3, characterized in that: The sealing assembly includes an upper sealing ring, a fixed sleeve and a lower sealing ring which are sequentially sleeved in the threaded rod from top to bottom, the outer side walls of the upper sealing ring, the fixed sleeve and the lower sealing ring are in contact with the inner side wall of the threaded rod, and the inner side walls of the upper sealing ring, the fixed sleeve and the lower sealing ring are in contact with the outer side wall of the ejector pin.

6. The adjustable self-cleaning dry mist nozzle according to claim 3, characterized in that: The nozzle assembly comprises a nozzle, a nozzle cover and a connecting collar, wherein the nozzle cover is connected to the lower end of the nozzle through the connecting collar, and a plurality of nozzle holes are arranged at the bottom of the nozzle cover; the nozzle connector comprises a four-way connecting pipe, a second quick connector and a third quick connector, wherein the upper end of the four-way connecting pipe is connected to the lower end of the sealing connector, the left end of the four-way connecting pipe is connected to the second quick connector, and the right end of the four-way connecting pipe is connected to the third quick connector; A water inlet pipe is provided through the middle of the nozzle, the upper end of the water inlet pipe is inserted into the lower end of the four-way connecting pipe, a water inlet groove is provided in the right end of the four-way connecting pipe, the water outlet of the third quick connector is communicated with the water inlet of the water inlet groove, and the water outlet of the water inlet groove is located at the upper edge of the water inlet pipe; when the piston rod is brought to the ejector pin to extend downward, the lower end of the ejector pin extends into the interior of the water inlet pipe, the internal structure of the water inlet pipe is adapted to the internal structure of the lower end of the ejector pin, and the diameter of the water inlet pipe is larger than the diameter of the ejector pin, and a water flow channel is formed between the inner side wall of the water inlet pipe and the outer side wall of the ejector pin; The upper end of the nozzle is provided with grooves around it, and a plurality of air inlet pipes are penetrated through the grooves. The lower end of the four-way connecting pipe is provided with an air inlet groove, and the air inlet groove is located at the periphery of the upper end of the water inlet pipe. The air outlet of the second quick connector is located on the air inlet of the air inlet groove, and the air outlet of the air inlet groove is located directly above the groove.

7. The adjustable self-cleaning dry mist nozzle according to claim 1, characterized in that: A nozzle guard is also installed on the periphery of the nozzle assembly.

8. The adjustable self-cleaning dry mist nozzle according to claim 2, characterized in that: It also includes a PLC controller and a solenoid valve, wherein the PLC controller is connected to the two first quick connectors via the solenoid valve.

9. The adjustable self-cleaning dry mist nozzle according to claim 6, characterized in that: A first gasket is installed between the sealing connector and the nozzle connector, a second gasket is installed between the nozzle connector and the nozzle assembly, the second gasket is provided with through holes adapted to the lower ends of multiple intake pipes, and a third gasket is installed between the fixing plate and the fixing bolt.

10. The adjustable self-cleaning dry mist nozzle according to claim 3, characterized in that: A wrench position is provided on the surface of the connecting rod and the sealing connecting piece.

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