CN217963022U

CN217963022U - Spray gun

Info

Publication number: CN217963022U
Application number: CN202222213305.3U
Authority: CN
Inventors: 帅红伟; 王德兴; 谢德盛
Original assignee: Shenzhen Longray Technology Co ltd
Current assignee: Shenzhen Longray Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-12-06
Anticipated expiration: 2032-08-22

Abstract

The application relates to the technical field of spraying, in particular to a spraying gun, wherein a liquid inlet end of the spraying gun is connected with a liquid outlet end of a liquid storage tank, a booster pump is arranged in the liquid storage tank and used for conveying liquid in a box body to the spraying gun and spraying the mist through the spraying gun, the spraying gun comprises a spraying gun shell, and a connecting part, a holding part and a spraying part are sequentially arranged in the spraying gun shell; the holding part is provided with a spray switch and an electromagnetic valve connected with the spray switch; the spraying part comprises a spraying head arranged at the end part of the spray gun shell; the connecting part comprises the liquid inlet end which is communicated with a water pipe in the spray gun shell to convey liquid in the box body to the spray head through the electromagnetic valve; the spraying switch is combined with the electromagnetic valve to control the liquid to be sprayed out of the spraying head, and the spraying effect is improved by combining the large amount of the liquid mist sprayed out of the booster pump and the fine droplets.

Description

Spray gun

Technical Field

The application relates to the technical field of spraying, in particular to a spray gun.

Background

In the industrial field, the waste gas containing nitrate and sulfur produced by coal and gas fired furnaces of power plants, smelters and cement plants can reach the national emission standard only after environmental protection treatment, and the denitration method generally uses urea, ammonia and other catalytic absorbents to dissolve in water, and sprays and washes the waste gas by a spray gun through a water-gas mixed spraying method to achieve the aim. Therefore, the fogging performance of the spray gun is good and bad, the denitration and desulfurization effects are directly influenced, and the spraying performance is also related to the consumption of water quantity and the operation cost of equipment;

the prior art spray gun has the following defects: firstly, the fogging performance is poor, the fog drops are thick, the surface area ratio of the atomized fog drops is small by using the same water amount, and the spraying effect is poor; secondly, the sprayed mist has weak adhesive force and small actual effective spraying effect per unit area.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application is proposed to provide a spray gun that overcomes or at least partially solves the above mentioned problems.

The liquid inlet end of the spray gun is connected with the liquid outlet end of the liquid storage tank, a booster pump is arranged in the liquid storage tank and used for conveying liquid in the tank body to the spray gun and spraying fog liquid through the spray gun, the spray gun comprises a spray gun shell, and a connecting part, a holding part and a spraying part are sequentially arranged in the spray gun shell; the holding part is provided with a spray switch and an electromagnetic valve connected with the spray switch; the spraying part comprises a spraying head arranged at the end part of the spray gun shell; the connecting portion include the feed liquor end, its inside water pipe of intercommunication spray gun shell is with the liquid process in the box the solenoid valve is carried extremely the atomising head.

Preferably, the grip part further comprises an electrostatic generator electrically connected with the spray switch, a metal conductive piece in contact with the liquid channel inside the spray head is arranged on the side part of the spray head, and an electrostatic generation end of the electrostatic generator is electrically connected with the metal conductive piece.

Preferably, the spray switch is adjusted in two gears, wherein one gear is to open the electromagnetic valve, and the other gear is to close the electromagnetic valve.

Preferably, the spray switch is adjusted in three steps, wherein one step is to open the electromagnetic valve, wherein one step is to close the electromagnetic valve, and the other step is to simultaneously open the electromagnetic valve and the electrostatic generator.

Preferably, the spray switch is provided on a back portion of the gun housing, and the spray switch corresponds to a thumb of a user when the grip portion is gripped by the user.

Preferably, the spray head is a rotary multi-gear adjusting spray head.

Preferably, the spray gun shell is provided with a protruding position extending outwards near the spraying part, and the electromagnetic valve is arranged at the protruding position.

The advantage of the present application is that,

through the spray gun, the liquid inlet end of the spray gun is connected with the liquid outlet end of the liquid storage tank, a booster pump is arranged in the liquid storage tank and used for conveying liquid in the tank body to the spray gun and spraying mist through the spray gun, the spray gun comprises a spray gun shell, and a connecting part, a holding part and a spraying part are sequentially arranged in the spray gun shell; the holding part is provided with a spray switch and an electromagnetic valve connected with the spray switch; the spraying part comprises a spraying head arranged at the end part of the spray gun shell; the connecting part comprises the liquid inlet end which is communicated with a water pipe in the spray gun shell to convey liquid in the box body to the spray head through the electromagnetic valve; the spraying switch is combined with the electromagnetic valve to control the liquid to be sprayed out of the spraying head, and the spraying effect is improved by combining the large amount of the liquid mist sprayed out of the booster pump and the fine droplets.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the present application will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic diagram of an overall structure of a spray gun and a liquid storage tank according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of an internal structure of a spray gun according to an embodiment of the present disclosure;

in the figure, 10, a liquid storage tank; 20. a lance housing; 21. a spray switch; 22. a spray head; 23. an electromagnetic valve; 24. an electrostatic generator; 25. a protruding position; 26. a power source.

Detailed Description

In order to make the objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

With reference to figures 1-2 of the drawings,

a liquid inlet end of a spray gun is connected with a liquid outlet end of a liquid storage box 10, a booster pump is arranged in the liquid storage box 10 and used for conveying liquid in a box body to the spray gun and spraying fog liquid through the spray gun, the spray gun comprises a spray gun shell 20, and a connecting portion, a holding portion and a spraying portion are sequentially arranged in the spray gun shell 20; the holding part is provided with a spray switch 21 and an electromagnetic valve 23 connected with the spray switch 21; the spraying part comprises a spraying head 22 arranged at the end part of the spray gun shell 20; the connecting part comprises the liquid inlet end which is communicated with a water pipe inside the spray gun shell 20 to convey liquid in the box body to the spray head 22 through the electromagnetic valve 23;

through the spray gun, the liquid inlet end of the spray gun is connected with the liquid outlet end of the liquid storage tank 10, a booster pump is arranged in the liquid storage tank 10 and used for conveying liquid in a box body to the spray gun and spraying fog liquid through the spray gun, the spray gun comprises a spray gun shell 20, and a connecting part, a holding part and a spraying part are sequentially arranged in the spray gun shell 20; the holding part is provided with a spray switch 21 and an electromagnetic valve 23 connected with the spray switch 21; the spraying part comprises a spraying head 22 arranged at the end part of the spray gun shell 20; the connecting part comprises the liquid inlet end which is communicated with a water pipe inside the spray gun shell 20 to convey liquid in the box body to the spray head 22 through the electromagnetic valve 23; the liquid is controlled to be sprayed out of the spray head 22 through the spray switch 21 and the electromagnetic valve 23, and the spraying effect is improved by combining the large amount of the fog liquid sprayed out by the booster pump and the fine fog drops.

In an embodiment of the present application, the grip portion further includes an electrostatic generator 24 electrically connected to the spray switch 21, a metal conductive member contacting with an internal liquid channel of the spray head 22 is provided at a side portion of the spray head, and an electrostatic generating end of the electrostatic generator 24 is electrically connected to the metal conductive member.

It should be noted that the static generator 24 makes the flowing liquid to be sprayed adhere to static electricity, so as to enhance the adhesion capability of the mist, and make the sprayed mist adhere to the area needing spraying better, so as to improve the overall spraying effect.

In one embodiment of the present application, the spray switch 21 is adjusted in two steps, wherein one step is to open the electromagnetic valve 23, and the other step is to close the electromagnetic valve 23.

Understandably, the user can open and close the solenoid valve 23 through the spray switch 21, thereby controlling the spray gun to start spraying or stop spraying.

In one embodiment of the present application, the spray switch 21 is adjusted in three steps, wherein one step is to open the electromagnetic valve 23, one step is to close the electromagnetic valve 23, and the other step is to open the electromagnetic valve 23 and the electrostatic generator 24 simultaneously.

The power supply 26 for supplying power to the battery valve and the electrostatic generator 24 is provided in the spray gun housing 20, and the user controls the spray gun through the spray switch 21 to attach static electricity to the sprayed mist during spraying, thereby improving the adhesion of the mist to the spraying area or the object.

In one embodiment of the present application, the spray switch 21 is disposed on the back of the gun housing 20 for better user-friendliness, and the spray switch 21 corresponds to the thumb of the user when the user grips the grip.

In one embodiment of the present application, the spray head 22 is a rotary multi-stage adjustable spray head 22, and generally, a three-stage adjustable spray head 22 is adopted, and the shape and the particle size of the sprayed mist are different for each selected stage.

In one embodiment of the present application, the gun housing 20 is provided with a protruding portion 25 extending outward near the spraying portion, and the solenoid valve 23 is provided at the protruding portion 25.

While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or terminal device that comprises the element.

The foregoing detailed description is directed to a spray gun, and the principles and embodiments of the present application are explained by using specific examples, which are merely used to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A spray gun is characterized in that the spray gun comprises a spray gun shell, and a connecting part, a holding part and a spraying part are sequentially arranged in the spray gun shell; the holding part is provided with a spray switch and an electromagnetic valve connected with the spray switch; the spraying part comprises a spraying head arranged at the end part of the spray gun shell; the connecting portion include the feed liquor end, its inside water pipe of intercommunication spray gun shell is with the liquid process in the box the solenoid valve is carried extremely the atomising head.

2. The spray gun of claim 1, wherein said grip portion further comprises an electrostatic generator electrically connected to said spray switch, a side portion of said spray head is provided with a metal conductive member in contact with an internal liquid passage thereof, and an electrostatic generating end of said electrostatic generator is electrically connected to said metal conductive member.

3. The spray gun of claim 1, wherein said spray switch is adjustable in two positions, one position to open said solenoid valve and the other position to close said solenoid valve.

4. The spray gun of claim 2, wherein the spray switch is adjustable in three steps, wherein one step is to open the solenoid valve, wherein one step is to close the solenoid valve, and wherein the other step is to open the solenoid valve and the electrostatic generator simultaneously.

5. The spray gun of claim 1, wherein the spray switch is disposed on a back portion of the gun housing, and the spray switch corresponds to a thumb of a user when the grip portion is gripped by the user.

6. The spray gun of claim 1, wherein the spray head is a rotary multi-stage adjustable spray head.

7. The spray gun of claim 1, wherein said spray gun housing is provided with an outwardly extending protrusion adjacent said spray section, and said solenoid valve is provided at said protrusion.