CN117160696A - Adjustable shower nozzle structure of static spraying - Google Patents

Abstract

The utility model relates to the field of electrostatic spraying, in particular to an adjustable nozzle structure for electrostatic spraying. The detachable electrode is arranged at the opening of the spray head, and the spray head connecting structure is provided with a plurality of spray nozzles close to the side of the guide cover. The utility model has the advantages of convenient use, capability of being applied to different occasions, capability of changing the charge quantity, high atomization efficiency, safety, reliability and the like.

Description

Adjustable shower nozzle structure of static spraying

Technical Field

The utility model relates to the field of electrostatic spraying, in particular to an adjustable nozzle structure for electrostatic spraying.

Background

Along with the outbreak of epidemic diseases and epidemic situations of infectious diseases, the importance of people on daily disinfection is continuously increased. In epidemic prevention, spraying chemical agents is one of the most common and efficient ways. However, the conventional spray products have some limitations, which limit the spraying liquid to be sprayed on the surface of the object opposite to the nozzle, and the operation range is limited, so that the disinfection effect and the working efficiency are affected. The electrostatic spraying technology can obviously improve the adsorption effect of the sprayed liquid and the target object, thereby improving the utilization efficiency of the liquid medicine and saving the cost. Electrostatic spraying technology utilizes electrostatic force to make liquid form fine charged fog drops, and these charged fog drops can be attracted and adsorbed by target object surface so as to implement better covering and penetration effect. Compared with the traditional spraying technology, the electrostatic spraying technology can more uniformly distribute the liquid medicine on the surface of the target object, and provides better disinfection effect. In electrostatic spraying technology, the spray head is one of the important components. Chinese patent publication No. CN113272073B discloses an electrostatic spraying device comprising: a housing defining a first receiving space and having opposite first and second ends, the first end having a first opening at a location furthest from the second end in a first direction from the second end to the first end; a tubular member defining a second accommodation space and having a third end portion distant from the second end portion in the first direction and a fourth end portion close to the second end portion, the third end portion having a second opening at a position farthest from the fourth end portion in the first direction, and the second opening being located on a side of the first opening distant from the second end portion in the first direction; a nozzle at least partially located in the second accommodation space, the nozzle including an ejection opening at a position farthest from the second end in the first direction, the ejection opening being located on a side of the second opening toward the fourth end in the first direction, the nozzle being configured to eject droplets toward the second opening via the ejection opening, the droplets exiting the electrostatic spraying device from the second opening in a charged state; and an air flow providing member configured to provide an air flow exiting the electrostatic spraying device via the first opening and the second opening, the electrostatic spraying device further including a flow guide connected to the nozzle, at least a portion of the flow guide being located outside the second accommodation space on a side of the fourth end portion of the tubular member remote from the third end portion.

However, an electrostatic spraying device with the above structure still has the following disadvantages: firstly, it is difficult to deal with different occasion demands, and the spraying charge quantity cannot be flexibly adjusted. Secondly, the improvement of the spray charge and the atomization efficiency is limited, the efficiency is low, the uniformity and the coating quality of spraying are difficult to ensure, and the accurate control of the spraying process is realized.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide an adjustable spray head structure for electrostatic spraying, which has the advantages of convenient use, capability of being applied to different occasions, capability of changing the charge quantity, high atomization efficiency, safety, reliability and the like.

The utility model is realized by the following technical scheme: the utility model provides an adjustable shower nozzle structure of electrostatic spraying, its characterized in that includes direction cover and a plurality of detachable electrode and shower nozzle connection structure, the direction cover is located shower nozzle connection structure the place ahead, detachable electrode sets up in shower nozzle opening part, shower nozzle connection structure is close to the direction cover side is equipped with a plurality of nozzle. The detachable electrode can be used for additionally installing or detaching the electrode on different occasions, so that the electric field intensity, the sprayed liquid medicine atomizing effect and the liquid drop charge quantity are changed; the telescopic guide cover can change the distance between the electrode and the nozzle in different occasions, so that the electric field intensity, the sprayed liquid medicine atomizing effect and the liquid drop charge quantity are changed.

Preferably, the top of the detachable electrode is conical, the bottom of the detachable electrode is provided with a stud, and the detachable electrode is in threaded connection with an opening screw hole formed in the opening of the spray head. The electrode is dismantled through the screw thread screw, and the electrode is installed or dismantled to the reply different occasion circumstances of being convenient for, and the screw thread structure of bottom can be with the screw zonulae occludens of direction cover outer lane, ensures the stability and the security of electrode.

Preferably, the inner side of the guide cover is cylindrical and is positioned at the outer side of the nozzle connecting structure, and the opening is horn-shaped; the guide cover is telescopic, a plurality of sliding rails are arranged on the spray head connecting structure, and the guide cover can slide on the sliding rails. The horn-shaped opening is favorable for spraying atomized liquid medicine, is favorable for improving the flow and uniformity of fluid and is convenient for large-scale spraying; the arrangement of the sliding rail enables the guide cover to freely slide on the sliding rail, so that the distance between the electrode positioned at the opening of the spray head and the nozzle positioned at the connecting structure of the spray head is convenient to adjust, and the electric field strength, the sprayed liquid medicine atomization effect and the liquid drop charge quantity are changed.

Preferably, a plurality of the opening screw holes encircle the opening of the spray head, and a plurality of the opening screw holes form a plurality of regular polygons. The detachable electrode can be fixed on the screw holes through screw connection according to requirements, can be arranged into regular triangle, square, regular pentagon and other shapes, and plays roles in changing electric field intensity, spraying liquid medicine atomizing effect and liquid drop charge quantity.

Preferably, a lock nut is arranged on the inner side of the guide cover, a plurality of fixing screw holes are formed in the sliding rail, and the fixing screw holes are matched with the lock nut. The fixed screw holes are used as fixed positions and are set into a plurality of gears, so that the guide cover is conveniently adjusted to be fixed on a proper gear, and a user can conveniently apply the guide cover to different occasions.

Preferably, the middle of the nozzle connecting structure is provided with an adjustable air channel, and the nozzles symmetrically encircle the air channel. The adjustable wind channel in the middle can deal with different situations and adjust the wind speed to strengthen the atomization effect, the nozzle surrounds the wind channel, does benefit to wind and blows off the form and the injection of liquid medicine, helps improving the flow and the homogeneity of fluid, is convenient for spray on a large scale.

Preferably, a plurality of detachable conical electrodes are arranged beside the nozzle, the top of each conical electrode is higher than the top of the nozzle, a stud is arranged at the bottom of each conical electrode, and the conical electrodes are in threaded connection with a bottom screw hole arranged on the front end face of the nozzle connecting structure. The conical electrode beside the nozzle can be installed or detached according to the requirement, and the height can be finely adjusted, so that the effects of changing the electric field intensity, the sprayed liquid medicine atomizing effect and the liquid drop charge amount are achieved; the electrode installed in the device has the effects of charging and atomizing for the first time, and the electrode matched with the electrode at the opening part has the effect of charging for a plurality of times, so that the charge quantity and the atomizing effect of the liquid medicine are improved.

Preferably, the outer parts of the guide cover and the nozzle connecting structure are all insulating layers. The operator is protected from electric shock danger caused by false touch, and the safety and reliability are improved.

Preferably, the nozzle opening is rotatable, and the rotation angle is-90 degrees to 90 degrees. The angle of the nozzle opening is adjusted, so that the relative position between the detachable electrode and the nozzle is changed, and the effects of changing the electric field strength, the sprayed liquid medicine atomizing effect and the liquid drop charge quantity are achieved.

The utility model has the following beneficial effects:

1. can be applied to different occasions: the electrode has the detachable function, and in order to cope with different occasions, the electric field intensity, the atomization effect and the charge quantity of liquid drops need to be changed, the electrode is arranged in a preset screw hole, the number and the position of the electrode are changed, the distance between the electrode and the nozzle and the rotatable nozzle opening are changed through the sliding rail, and therefore the effect of being applied to different occasions is achieved.

2. Good atomization effect and high mist drop charge: the spray nozzle is provided with a plurality of groups of electrodes, the first group is arranged beside the spray nozzle to play a role in primary charging, the second group is arranged at the opening to play a role in secondary charging, and the atomization effect and the charge quantity of the mist drops are greatly improved by carrying out repeated charging on the mist drops.

3. Safe and reliable, convenient to use: a plurality of gears are arranged on the sliding rail, and people can fix the spraying effect preset at the position through the gears, so that the spraying device is convenient to use; the guide cover and the nozzle connecting structure are both provided with insulating layers, so that operators are protected from electric shock danger caused by false touch, and safety and reliability are improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the opening part of the nozzle according to the present utility model;

FIG. 3 is a schematic view of a nozzle assembly according to the present utility model;

FIG. 4 is an enlarged view of a portion of an open screw hole of the present utility model;

FIG. 5 is a schematic diagram of a nozzle connection structure according to the present utility model.

Illustration of: the spray gun comprises a spray gun 1, a guide cover 2, a spray head connecting structure 3, a detachable electrode 4, an opening screw hole 5, a spray head opening 6, a slide rail 7, a fixing screw hole 8, a lock nut 9, an air duct 10, a spray nozzle 11, a conical electrode 12 and a bottom screw hole 13.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples.

As shown in fig. 1 to 5, the main structure of the utility model comprises a guide cover 2, a nozzle connecting structure 3 and a detachable electrode 4, wherein the inner side of the guide cover 2 is cylindrical, the opening is horn-shaped, a slide rail 7 is arranged on the nozzle connecting structure 3, and the inner side of the nozzle 2 is connected with the nozzle connecting structure through the slide rail 7. The detachable electrode 4 is positioned at the nozzle opening 6, can be detached in response to different occasions, changes the number and the positions, and plays roles in changing the electric field intensity, the sprayed liquid medicine atomization effect and the liquid drop charge quantity.

In one embodiment shown in fig. 1, a battery, a water storage tank and other structures are arranged in a spray gun 1, and the structure of the electrostatic spraying adjustable nozzle is arranged at a nozzle, so that the distance between a detachable electrode 4 and a nozzle 11 can be changed through a slide rail 7 and a lock nut 9, and the effects of changing the charging effect, spraying quality, spraying angle, area range and the like of liquid drops are achieved; by installing or detaching the detachable electrodes 4, changing the number and positions of the detachable electrodes 4 can optimize the performance and effect of the electrostatic spraying system, including control of spray uniformity, coverage, direction and spray shape, improve spray efficiency, and reduce problems of leakage and stray spray; the appropriate number and location of the electrodes is selected to achieve the best electrostatic spray effect, depending on the particular application.

As shown in fig. 2 and 4, three detachable electrodes 4 are arranged on the nozzle opening 6, and a plurality of opening screw holes 5 are arranged at the same time and used for installing the detachable electrodes 4, the top of the detachable electrodes 4 is conical, and studs are arranged at the bottom of the detachable electrodes and are in threaded connection with the opening screw holes 5 arranged on the nozzle opening 6. The nozzle opening 6 is rotatable, the rotation angle is-90 degrees to 90 degrees, the spray nozzle can be used in different occasions, and the spraying direction and range can be changed. Several open screw holes 5 can form regular triangle, regular quadrangle, regular pentagon and regular hexagon, and the performance and effect of the electrostatic spraying system can be optimized by changing the number and positions of the detachable electrodes 4: the uniformity and the spraying quality are changed, the number of the detachable electrodes 4 is changed, the positions of the detachable electrodes are properly adjusted, the uniformity and the quality of spraying can be changed, and the electric field distribution and the liquid drop charging effect can be better controlled by reasonably placing the detachable electrodes 4, so that the sprayed liquid drops are more uniform and the size distribution is more consistent, and the spraying quality is improved; by changing the spray coverage, the coverage of the spray can be changed by changing the number and the optimized positions of the detachable electrodes 4, and the electric field interaction generated by each detachable electrode 4 can expand the electric field range and realize a wider spray area, so that the spray is suitable for workpieces or surfaces with different sizes and shapes; the spraying direction and the shape are controlled, the position and the layout of the detachable electrode 4 are properly adjusted, the accurate control on the spraying direction and the shape can be realized, and the spraying flow can be sprayed at a required angle and shape by optimizing the position of the detachable electrode 4 so as to meet the requirements of specific application; changing the spraying efficiency, increasing the number of the detachable electrodes 4 can improve the spraying efficiency of the electrostatic spraying system, more detachable electrodes 4 can provide more charged areas, and the liquid drop charging effect and the generated electrostatic force are increased, so that the spraying efficiency and speed are improved; the electric leakage and the stray spray are reduced, the stability of the electric field can be better controlled by reasonably arranging the detachable electrode 4, and the efficiency reduction and the liquid drop splashing caused by the electric leakage and the stray spray are reduced.

As shown in fig. 3, an adjustable air duct 10 is arranged in the center of the nozzle connecting structure 3, a nozzle 11 symmetrically surrounds the air duct 10, a plurality of detachable conical electrodes 12 are arranged beside the nozzle 11, the top of each conical electrode 12 is higher than the top of the nozzle 11, a stud is arranged at the bottom of each conical electrode, and the conical electrodes are in threaded connection with a bottom screw hole (13) arranged on the front end face of the nozzle connecting structure 3. The cooperation of conical electrode 12 and detachable electrode 4 carries out secondary to the fog droplet and charges, and adjustable wind channel 10 and the combination of secondary charge can realize spraying control, spray volume control, prevent that the spraying from drifting away, improve spraying coverage, strengthen benefits such as electrostatic adsorption effect and control spraying particle diameter: the spray control and positioning can be realized by adjusting the air duct 10 to control the direction and speed of air flow, so that the position of a drop point of spray is positioned and controlled, and the spray can be accurately guided to a required position by adjusting the angle and the opening size of the air duct, so that the spray coating of a target area is realized; the spray amount is controlled, the size of the spray amount can be controlled by adjusting the size of the opening of the air duct, the smaller opening can limit the air flow and reduce the spray amount, and the larger opening can increase the air flow and increase the spray amount, so that the spray amount control device is very useful for the situation that the liquid drop amount needs to be accurately controlled in the coating or spraying operation; the adjustable air duct 10 can help reduce spray drift and spread, and by reasonably adjusting the angle and shape of the air duct, air flow can be limited in a target area to prevent spray from spreading around the spraying equipment; the spray coverage rate is improved, the secondary charge can lead the liquid drops to have the same charge and repel each other, so that the uniformity and coverage rate of spray are improved, and the liquid drops can be better dispersed and uniformly cover the target surface by introducing the secondary charge into the spray flow;

the electrostatic adsorption effect is enhanced, the electrostatic adsorption effect can be enhanced by secondary charge, so that charged liquid drops are better attached to the target surface, the spraying efficiency and the coating quality are improved, and excessive spraying, leakage spraying or spraying loss is reduced; the particle size distribution of spray droplets can be influenced by controlling the spray particle size and the secondary charge, and the particle size of the droplets can be controlled by properly adjusting the intensity and the mode of the secondary charge so as to meet the requirements of specific applications.

As shown in fig. 5, the sliding rail 7 is arranged on the nozzle connecting structure 3, and the guide cover 2 can slide up and down through the sliding rail 7, so that the distance between the detachable electrode 4 and the nozzle 11 is changed, and the effects of changing the charging effect, the spraying quality, the spraying angle, the area range and the like of liquid drops are achieved: changing the charging effect of the liquid drops, the smaller distance between the detachable electrode 4 and the nozzle 11 can increase the electric field intensity and the electric field gradient, so that the liquid drops are charged more effectively, more charged liquid drops and higher charge quantity can be generated, and the effect of electrostatic spraying is improved; changing the spray quality, properly adjusting the distance between the detachable electrode 4 and the nozzle 11 can improve the uniformity and size distribution of the liquid drops, and different distances can promote the liquid drops to be better dispersed and uniform in the spraying process, so that the spray quality is improved; controlling the coverage of the spray, changing the distance between the detachable electrode 4 and the nozzle 11 can adjust the spray angle and spray area range of the droplets, a smaller distance can cause the droplets to be sprayed out at a steeper angle, and a larger distance can produce a flatter spray, thereby controlling the spray coverage area; by properly setting the distance between the detachable electrode 4 and the nozzle 11, the leakage and the stray spray phenomenon in the electrostatic spray system can be reduced, and the smaller distance is beneficial to keeping the stability of the electric field and reducing the possibility of leakage and stray spray. Meanwhile, a plurality of fixing screw holes 8 are formed in the sliding rail and are fixed with a lock nut 9 arranged on the guide cover 2, a plurality of fixed gears are formed, the sliding rail is helpful for a user to set the most suitable positions for different scenes in advance, and the sliding rail is convenient for the user to use.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (9)

1. The utility model provides an adjustable shower nozzle structure of electrostatic spraying, its characterized in that includes direction cover (2) and a plurality of detachable electrode (4) and shower nozzle connection structure (3), direction cover (2) are located shower nozzle connection structure (3) the place ahead, detachable electrode (4) set up in shower nozzle opening (6) department, shower nozzle connection structure (3) are close to direction cover (2) side is equipped with a plurality of nozzle (11).

2. An electrostatic spray adjustable spray head structure according to claim 1, characterized in that: the top of the detachable electrode (4) is conical, the bottom of the detachable electrode is provided with a stud, and the detachable electrode is in threaded connection with an opening screw hole (5) arranged on the nozzle opening (6).

3. An electrostatic spray adjustable spray head structure according to claim 1, characterized in that: the inner side of the guide cover (2) is cylindrical and is positioned at the outer side of the nozzle connecting structure (3), and the opening is in a horn shape; the guide cover (2) is telescopic, a plurality of sliding rails (7) are arranged on the spray head connecting structure (3), and the guide cover (2) can slide on the sliding rails (7).

4. An electrostatic spray adjustable spray head structure according to claim 2, characterized in that: the opening screw holes (5) are surrounded at the nozzle opening (6), and the opening screw holes (5) form a plurality of regular polygons.

5. An electrostatic spray adjustable spray head structure according to claim 1 or 3, characterized in that: the guide cover (2) is internally provided with a lock nut (9), the slide rail (7) is provided with a plurality of fixing screw holes (8), and the fixing screw holes are matched with the lock nut (9).

6. An electrostatic spray adjustable spray head structure according to claim 1, characterized in that: the middle of the spray head connecting structure (3) is provided with an adjustable air duct (10), and the spray nozzles (11) symmetrically encircle the air duct (10).

7. An electrostatic spray adjustable spray head structure according to claim 6, wherein: the spray nozzle is characterized in that a plurality of detachable conical electrodes (12) are arranged beside the spray nozzle (11), the top of each conical electrode (12) is higher than the top of the spray nozzle (11), a stud is arranged at the bottom of each conical electrode, and each conical electrode is in threaded connection with a bottom screw hole (13) arranged on the front end face of the spray nozzle connecting structure (3).

8. An electrostatic spray adjustable spray head structure according to claim 1 or 3, characterized in that: the outer side parts of the guide cover (2) and the spray head connecting structure (3) are all insulating layers.

9. An electrostatic spray adjustable spray head structure according to claim 1 or 4, characterized in that: the nozzle opening (6) is rotatable, and the rotation angle is-90 degrees to 90 degrees.