TWM577765U - Electrostatic spraying gun structure - Google Patents

Abstract

An electrostatic spray gun structure mainly comprises a gun body, a paint bucket, a fixed rod, a conductive tube and a diffusing member, wherein the gun body is hollow and has a gun body and a grip connected to each other. The grip is provided for a gas source, and a paint hole is formed at the end of the gun body; the paint bucket is connected and connected with the gun body; the fixing rod is disposed in the paint hole, and the fixing rod has a convex end and a connecting end protrudes to the outside of the gun body, and the diffusing member is disposed on the protruding end; the conductive tube is electrically connected to the connecting end to provide electrical properties by the fixing rod; the diffusing member is disposed at the protruding end In this way, when the gas source is passed through the fixing rod with the powder paint, the fixing rod can make the powder paint electrically charged to adhere to the electric paint to be sprayed.

Description

Electrostatic spray gun structure

This creation relates to the structure of the spray gun, and in particular to a spray gun structure that allows the paint to be electrically conductive.

According to the modern people, more and more people pay attention to their personal style and taste. Therefore, many people like to choose items such as steam, locomotive, bicycle or decoration, and make their appearance look different by self-coating.

However, the powder electrostatic spray guns commonly known in the market belong to industrial or professional grades, and their structures are complicated and expensive, which cannot be afforded by ordinary households or amateurs. Moreover, the powders of conventional powder electrostatic spray guns are filled every time. The amount of paint needs to be at least several kilograms, and if the general family or amateurs want to modify items such as steam, locomotives or decorations, the amount of paint required is only a small amount, which leads to unnecessary waste of the paint; Furthermore, the conventional powder electrostatic spray guns have electrical properties for the powder paints, so power devices are connected to make the paints electrically, but the conventional powder electrostatic spray guns lack proper anti-shock mechanisms, so When the operator is not trained professionally, there is a danger of electric shock due to improper operation.

In view of this, how to solve the above problems is the primary issue that the creative office wants to solve.

One of the aims of the present invention is to provide an electrostatic spray gun structure which has the advantages of simple structure and low cost.

The purpose of the present invention is to provide a friction spray gun structure, which adopts a design with a small amount of powder paint to meet the needs of a small amount of paint for general households or amateurs, and has a mechanism for preventing electric shock, which can effectively avoid the user from electric shock. The situation.

For the purposes of the foregoing, the present invention provides an electrostatic spray gun structure comprising:  a gun body, which is hollow and has a gun body and a grip connected to each other, the grip is provided for a gas source, and a paint hole is formed at an end of the gun body;  a powder paint bucket connected to and connected to the gun body;  a fixing rod is disposed in the paint opening, the fixing rod has a protruding end and a connecting end, and the protruding end protrudes to the outside of the gun body;  a conductive tube electrically connected to the electrical connection end for generating electrical properties by the fixing rod;  a diffusing member is disposed on the protruding end.  

Preferably, a control box is electrically connected to the conductive tube, and the control has a power switch, a power supply for supplying power, and a voltage change switch.

Preferably, the conductive tube has a grounding wire connected to the ground.

Preferably, the gun body is provided with a gun cover at its paint opening.

Preferably, the grip has a grounding member, and the grounding member is electrically connected to the conductive tube.

Preferably, the diffusing member has a diamond shape which is gradually enlarged and tapered away from the direction of the paint opening, and has a first inclined surface and a second inclined surface, and the first inclined surface and the second inclined surface are inclined different degrees from each other.

Preferably, the gun body has a partition block; the paint bucket has an air inlet portion and a powder inlet portion, and the paint paint bucket crosses the partition block with the air inlet portion and the powder inlet portion. The gun body is assembled, and the air inlet portion is located adjacent to one side of the grip, and the powder inlet portion is located adjacent to one side of the paint opening hole, so that the gas source can pass through the grip portion through the grip portion in sequence The inside of the paint bucket and the powder inlet portion are discharged from the paint opening.

The above objects and advantages of the present invention are not to be understood in detail from the detailed description and the accompanying drawings.

Please refer to FIG. 1 to FIG. 4, which are shown to be preferred embodiments of the present invention, which are for illustrative purposes only and are not limited by the embodiments.

As shown in Figures 1 to 3, an electrostatic spray gun structure is provided for the present invention, which is mainly composed of a gun body 1, a paint bucket 2, a fixed rod 3, a conductive tube 4 and a diffuser 5, wherein :

The gun body 1 has a gun body 11 and a grip 12 for a gas source, and the gun body 1 is hollow, so that a gas passage 13 is formed between the grip 12 and the gun body 11 to communicate with each other. Further, a paint hole 14 is formed at the end of the gun body 11. In this embodiment, a partitioning block 15 is disposed in the gun body 11, so that the gas passage 13 located in the gun body 11 is divided into two small passages 16, 17 and is not connected to each other.

The paint bucket 2 is in the form of a hollow barrel and can be filled with powder paint. The paint bucket 2 has an air inlet portion 21 and a powder inlet portion 22, and the powder paint bucket 2 has the air inlet portion 21 and the powder inlet portion. 22 is coupled to the gun body 11 across the partition block 15 such that the air inlet portion 21 and the powder inlet portion 22 communicate with a gas passage 13 located in the gun body 11, wherein the air inlet portion 21 is located adjacent to the One side of the grip 12, and the powder inlet portion 22 is located adjacent to one side of the paint opening 14 through which the gas source is injected when the gas source is injected into the gas passage 13 via the grip 12 The inside of the paint bucket 2 is entered, and the paint in the paint bucket 2 is carried, and then discharged from the powder inlet portion 22 and the paint opening 14 in sequence.

In the embodiment, the air inlet portion 21 is formed by an air inlet pipe, and the air inlet pipe extends to the interior of the paint paint bucket 2, and is spaced apart from the bottom of the paint paint bucket 2 by about 5 mm. According to the flow direction of the gas source, an air inlet 23 is defined as an air outlet 24, and the diameter of the air inlet 23 is larger than the diameter of the air outlet 24, thereby passing the gas source to the paint through the air inlet portion 21. When the barrel 2 is inside, the powder paint in the paint bucket 2 can be raised and atomized to enhance the efficiency of the gas source carrying the paint. The powder inlet portion 22 is formed by a powder inlet joint which is tapered according to the flow direction of the gas source, thereby compressing the gas source, so that the gas source can more stably carry the paint and output to the paint. Outside the hole 14.

The fixing rod 3 is disposed in the paint opening hole 14. The fixing rod 3 has a protruding end 31 and a connecting end 32. The protruding end 31 extends to the outside of the gun body 11 and protrudes therefrom. The diffusion member 5 is disposed on the end 31. When the gas source carrying the paint is discharged from the paint opening 14, the diffusion member 5 can uniformly diffuse the gas source; and in this example, the diffusion member The first inclined surface 51 and the second inclined surface 52 are different in inclination from each other, and the first inclined surface 51 and the second inclined surface 52 are inclined to each other differently. When the gas source carries the paint through the first slope 51 or the second slope 52, there are two different diffusion ranges.

The conductive tube 4 is electrically connected to the power receiving end 32, so that the fixing rod 3 is electrically generated, whereby the powder paint can be electrically charged when the gas source carrying the paint is passed through the gun body 11. In the embodiment, the conductive tube 4 has a grounding wire 41 that can be connected to the ground to avoid an accident when the user experiences electric shock or leakage. In addition, the gun body 11 is further provided with a gun cover 18 communicating with the paint opening 14 at the paint opening 14 thereof.

Preferably, a control box 6 is electrically connected to the conductive tube 4, and the control box 6 is designed with a plastic case to ensure that no static electricity is accumulated; the control box 6 has a power switch 61 for controlling the power supply to be turned on. a voltage change switch 63 and a power supply 62, the power supply 62 is connected to a power supply of 100 to 240V by using a full potential system, thereby providing power to the conductive tube 4 to generate electrical properties of the paint. The transformer switch 63 can change the voltage applied to the paint, so that the paint can have a high voltage or a low voltage to meet the operational requirements and prevent breakdown.

Further, the grip 12 has a grounding member 19, and the grounding member 19 is connected to the conductive tube 4, thereby preventing electric shock induction when the operator grips the grip 12 with both hands.

When the present invention is used in actual use, the user connects a gas source to the grip 12, and then electrically connects the power source 62 of the control box 6 to a power source, thereby When the gas source is filled by the grip 12, the gas source enters the paint bucket 2 through the inlet portion 21, and the paint in the paint bucket 2 is lifted up from the powder inlet portion. 22 is taken out to the paint hole 14 of the gun body 11 and blocked by the diffusing member 5, so that the gas source carrying the paint is uniformly spread outward by the paint spray hole, and the paint is passed through the fixed rod 3 and In the process of the gun cover 18, the fixing rod 3 and the gun cover 18 can be electrically charged by the power supply provided by the conductive tube 4, so that the powder paint can be effectively attached to an electric paint to be sprayed. On object 8 (as shown in Figure 4).

It can be seen from the foregoing description that the advantages of the present invention are that the powder electrostatic spray guns of the prior art are industrial or professional grade products, and the structure thereof is complicated and expensive, and the electrostatic spray gun provided by the present invention has a simple structure and a cost. It is cheap and can be used by ordinary families or amateurs. In addition, the electrostatic spray gun of this creation is designed with a small amount of powder paint to meet the needs of a small amount of paint for general households or amateurs. In addition, the conductive tube can be used. The design of the grounding wire 41 and the grounding grounding wire of 3 can effectively prevent the user from being shocked due to improper operation.

However, the above description of the embodiments is merely illustrative of the present invention and is not intended to limit the present invention. Therefore, the replacement of equivalent elements should still be within the scope of the present invention.

In summary, when it is clear that the person skilled in the art understands that the creation can achieve the aforementioned objectives, it has already complied with the provisions of the Patent Law, and therefore applied according to law.

1‧‧‧ gun body

11‧‧‧ gun body

12‧‧‧ grip

13‧‧‧ gas passage

14‧‧‧ Painted hole

15‧‧‧Separate block

16, 17‧‧‧ channels

18‧‧‧ gun cover

19‧‧‧ Grounding parts

2‧‧‧paint bucket

21‧‧‧Intake Department

22‧‧‧Into the powder department

23‧‧‧air inlet

24‧‧‧ outlet

3‧‧‧Fixed rod

31‧‧‧ protruding end

32‧‧‧Power terminal

4‧‧‧Conducting tube

41‧‧‧ Grounding wire

5‧‧‧Diffuser

51‧‧‧First bevel

52‧‧‧Second slope

6‧‧‧Control box

61‧‧‧Power switch

62‧‧‧Power supply埠

63‧‧‧Transformer switch

8‧‧‧ want to paint

The first picture is a schematic diagram of the three-dimensional structure of the creation.  Figure 2 is a schematic cross-sectional view of the creation.  Figure 3 is a schematic diagram showing the state of use of the creation, showing the state of the connection between the power supply and the conductive tube, and the connection between the gas source and the grip.  Figure 4 is a schematic view of the state of use of the creation to show the state of the paint when it is painted on the paint to be sprayed through the paint hole.  

Claims (7)

An electrostatic spray gun structure comprising:  a gun body, which is hollow and has a gun body and a grip connected to each other, the grip is provided for a gas source, and a paint hole is formed at an end of the gun body;  a powder paint bucket connected to and connected to the gun body;  a fixing rod is disposed in the paint opening, the fixing rod has a protruding end and a connecting end, and the protruding end protrudes to the outside of the gun body;  a conductive tube electrically connected to the electrical connection end for generating electrical properties by the fixing rod;  a diffusing member is disposed on the protruding end.   The electrostatic spray gun structure of claim 1, wherein a control box is electrically connected to the conductive tube, and the control has a power switch, a power supply for supplying power, and a voltage change switch. The electrostatic spray gun structure of claim 1, wherein the conductive tube has a grounding wire connected to the ground. The electrostatic spray gun structure of claim 1, wherein the gun body is provided with a gun cover at a paint opening. The electrostatic spray gun structure of claim 1, wherein the grip has a grounding member, and the grounding member is electrically connected to the conductive tube. The electrostatic spray gun structure of claim 1, wherein the diffusing member has a rhombic shape that is gradually enlarged and tapered away from the paint opening, and has a first inclined surface and a second inclined surface, and the first inclined surface is The second slopes are inclined to each other differently. The electrostatic spray gun structure of claim 1, wherein the gun body has a partition block; the paint paint bucket has an air inlet portion and a powder inlet portion, and the paint paint bucket has the air inlet portion and the powder inlet portion The portion is assembled with the gun body across the partition block, and the air inlet portion is located adjacent to one side of the grip, and the powder inlet portion is located adjacent to one side of the paint opening, so that the gas source can be sequentially The grip portion passes through the air inlet portion, the interior of the paint bucket, and the powder inlet portion, and is discharged from the paint opening hole.