TWM642503U - Improved structure of spray gun - Google Patents

Abstract

The present invention relates to an improved structure of a spray gun, the main purpose of which is to quickly and conveniently clean the residual liquid in the spray gun after using it. The nozzle is connected to the liquid passage of the body and the gas passage, and the nozzle further includes a nozzle, and the nozzle is arranged between a discharge hole of the nozzle and the liquid passage of the body, and the nozzle is provided with several The outlet hole surrounds the discharge hole; and a control component, the control component further includes a control needle and a control switch, wherein the control needle penetrates the liquid channel of the body and the nozzle of the spray head, and the control A switch is connected to the control needle to control the axial movement.

Description

Improved structure of spray gun

The present invention relates to the technical field of spraying, in particular to a nozzle improvement device which utilizes a spray gun for coloring.

According to, in art, painting, manicure or model field, a conventional spray gun is often used to spray the color on the surface of the object. According to different needs, the conventional spray gun will fill a spray cup with liquids of different functions such as filling soil, and An air pump is connected to an air inlet port of the conventional spray gun, and after pressing a toggle switch of the conventional spray gun, the toggle switch is displaced so that the gas generated by the air pump causes the liquid in the spray cup to be mixed with the compressed gas After atomization, the liquid is scattered on the surface of the object through a nozzle for spraying.

However, when the conventional spray gun is used for a long time, the dried-up liquid of the nozzle blocks the flow channel, causing the liquid to be unsmooth. Installed on the conventional spray gun, when the conventional spray gun is cleaned daily, it will be soaked in a cleaning liquid, and the air inlet port will be washed by the liquid to rust or age the internal parts, resulting in gas leakage and reducing the efficiency of the conventional spray gun , so there is a real need for improvement.

Therefore, in view of the problems of the above-mentioned known spray guns, the inventor of the present invention has developed a new improved structure of the spray gun with great pains, so the main purpose of the present invention is to: avoid a kind of improved structure of the spray gun from clogging; the secondary purpose of the present invention is to The invention relates to an improved structure of a spray gun with increased service life; another purpose of the present invention is to improve the structure of a spray gun with uniform coloring.

In order to achieve the above object, the technical means used in the present invention are as follows:

The present invention relates to an improved structure of a spray gun, which includes: a body, which is provided with a liquid channel and a gas channel inside the body; a spray head, which is connected to the liquid channel and the gas channel of the body, and the The spray head further includes a nozzle, and the nozzle is arranged between a discharge hole of the spray head and the liquid channel of the body, and the nozzle is provided with several air discharge holes surrounding the discharge hole; and a control unit, which is The control assembly further includes a control needle and a control switch, wherein the control needle penetrates through the liquid channel of the body and the nozzle of the spray head, and the control switch is connected to the control needle to control the axial movement; by The nozzle is equipped with several air outlet holes, which can easily remove the dry liquid remaining in the nozzle, so as to prevent the nozzle from being blocked and unusable.

The nozzle of the spray head is bullet-shaped and integrally formed, and the nozzle is provided with a first taper.

The liquid channel of the above-mentioned body is provided with an outlet, and the outlet is provided with a second taper relative to the first taper of the nozzle, and the first taper and the second taper are closely connected to each other.

The above-mentioned control assembly further includes a control tube and a restricting piece, wherein the control tube is pressed against the control switch, and the control needle is extended and connected to the control tube, and the restricting piece is pressed against the control tube.

An improved structure of a spray gun, which includes: a body, a liquid channel and a gas channel are arranged inside the body; a spray head, the spray head further includes a nozzle, and the spray head is connected to the liquid channel of the body and the a gas channel, and the nozzle is arranged between the spray head and the liquid channel of the body; a control component, which is that the control component further includes a control needle and a control switch, wherein the control needle penetrates the liquid channel and the body of the body The nozzle of the shower head, and the control switch is connected to the control needle to control the axial movement; air valve, and the intake valve is resisted by the control switch of the control component; through the intake The components can be disassembled from the gas channel of the main body, and there is no need to immerse in liquid when cleaning, prolonging the service life of the intake valve.

The nozzle is provided with six air outlets and a discharge hole inside, and the discharge hole resists the nozzle, and the six air outlets surround the discharge hole at equal angles.

The nozzle of the spray head is bullet-shaped, and the nozzle is provided with a first taper.

The liquid channel of the above-mentioned body is provided with an outlet, and the outlet is provided with a second taper relative to the first taper of the nozzle, and the first taper and the second taper are closely connected to each other.

The above-mentioned control assembly further includes a control tube and a restricting piece, wherein the control tube is pressed against the control switch, and the control needle is extended and connected to the control tube, and the restricting piece is pressed against the control tube.

By means of the above-mentioned technical means, the effect achieved by the present invention is as follows:

1. With six air outlet holes inside the nozzle, the compressed gas can pass through quickly, and it is not easy to block the gas back when the flow rate is too large to pass through.

2. By disassembling the air intake assembly, when the new spray gun is soaked in cleaning solution, the air intake assembly does not need to be soaked in water, which prevents the air intake assembly from being rusted and causes the air intake valve to not ventilate smoothly or is blocked, thereby increasing the service life.

3. With the discharge hole of the nozzle and the second taper of the outlet abutting against the front and back of the nozzle, the discharge hole, the nozzle and the liquid channel of the body are kept concentric, so that the pigment passes through the liquid channel, the When the nozzle and the discharge hole are connected, the pigment mixed gas will produce uniform and fine atomized spraying on the article when it is scattered through the nozzle.

A: Spray gun

1: Ontology

11: Liquid channel

111: export

112: second taper

113: Entrance

12: paint bucket

13: Gas channel

2: Nozzle

21: discharge hole

22: Vent

23: Nozzle

24: First taper

3: Control components

31: Control needle

32: Control switch

321: Connecting rod

33: Control tube

34: Restrictions

4: Intake components

41: intake valve

411: valve port

42: Air pump tube

5: Items

〔Fig. 1〕The schematic plan view of the improved structure of the new spray gun.

[Fig. 2] Plane exploded view of the improved structure of the new spray gun.

[Fig. 3] A sectional view of the improved structure of the new spray gun.

〔Fig. 4〕The schematic diagram of the use of the new control switch.

[FIG. 5] A-A sectional view of FIG. 4.

[Fig. 6] A schematic diagram of the use of the new spray gun with improved structure spraying articles.

[Fig. 7] Schematic diagram of the disassembly of the new air intake assembly.

The present invention relates to an improved structure of a spray gun, as shown in Figure 1. The main purpose is to use a spray gun A to spray an article 5 to make the color uniform and fine. It includes: a body 1, a spray head 2, and a control assembly 3 And an air intake assembly 4; Hereby, the above-mentioned components are described as follows in conjunction with the drawings.

The above-mentioned body 1, as shown in Fig. 1 to Fig. 3, is that a liquid channel 11 and a gas channel 13 are provided inside the body 1, wherein the liquid channel 11 is respectively provided with an outlet 111 and an inlet 113, and the inlet 113 A paint bucket 12 is connected, and the outlet 111 is provided with a second taper 112 .

The above-mentioned nozzle 2, referring to Fig. 1 to Fig. 3, is that the nozzle 2 further includes a nozzle 23, and the nozzle 2 is connected to the front end of the liquid channel 11 and the gas channel 13 of the body 1, and the nozzle 23 is located between the nozzle 2 and the liquid passage 11 of the main body 1, and the interior of the nozzle 2 is provided with six air outlet holes 22 and a discharge hole 21, and the discharge hole 21 resists the nozzle 23 and is in contact with the nozzle 23. The main body 1 forms a stable connection relationship, and the six air outlet holes 22 surround the discharge hole 21 at equal angles; furthermore, the nozzle 23 of the spray head 2 is set in a bullet shape and integrally formed, and the nozzle 23 is provided with a first taper 24 , and the first taper 24 of the nozzle 23 is in close contact with the second taper 112 .

The above-mentioned control assembly 3, please refer to Fig. 1 to Fig. 3, is that the control assembly 3 further includes a control needle 31, a control switch 32, a control tube 33 and a limiting member 34, wherein the control needle 31 penetrates In the control tube 33, the liquid channel 11 of the body 1, the nozzle 23 and the discharge hole 21 of the spray head 2, the control tube 33 is against the control switch 32, and the control tube 33 is locked on the control needle. 31 controls the axial movement, and the limiting member 34 limits the axial movement position of the control tube 33 .

The above air intake assembly 4, please refer to Fig. 1 to Fig. 3, is that the air intake assembly 4 is connected to the gas channel 13 of the body 1, and the air intake assembly 4 further includes an air intake valve 41, and the air intake assembly 4 The intake valve 41 is pushed against by the control switch 32 of the control assembly 3 .

Therefore, the present invention provides a kind of improved structure of spray gun, please refer to shown in Fig. 2 to Fig. 5, this paint barrel 12 interior is filled with liquid, and liquid can be mending paint, paint, varnish or metallic paint, then make this air intake The component 4 is connected with an air pump pipe 42 screwed and fixed, and the thumb is placed on the control switch 32. When the thumb presses the control switch 32 and pushes it, a connecting rod 321 set on the control switch 32 pushes the intake valve 41 downward. A valve port 411, so that the compressed gas flows into the gas passage 13 from the intake assembly 4 through the intake valve 41 and the valve port 411, and then enters the six discharge holes 21 of the nozzle 23; at the same time, the control needle 31 is received The control switch 32 and the control tube 33 are driven to move axially, and after the control needle 31 moves, the liquid flows out from the nozzle 23 through the liquid channel 11 through the paint bucket 12, through the discharge hole 21, and flows out at the The interior of the spray head 2 is mixed with the compressed gas, and the compressed gas is evenly mixed with the liquid to form a mist, which is sprayed onto the surface of the object 5 after the continuous thrust of the compressed gas; in addition, the limiting member 34 is arranged at the end of the control tube 33 , to limit the moving distance of the control tube 33 and the control needle 31, which is convenient for users to adjust and use to avoid wrong spraying caused by excessive flow.

In particular, please refer to FIG. 4 and FIG. 5 , the first taper 24 of the nozzle 23 and the second taper 112 of the body 1 are in close contact with each other, and the discharge hole 21 of the nozzle 2 is against the nozzle 23, so that The nozzle 23 maintains a good concentric circle after the two are squeezed each other, and when the nozzle 23 is used for the control needle 31 to penetrate, the control The needle 31 is also maintained on the concentric circle; in addition, when the nozzle 23 is removed, it only needs to be displaced to the outside, and then it can be quickly separated from the second taper 112 of the body 1, and the control switch 32, the control tube 33 and the control switch 32 can be manipulated. When the control needle 31 moves left and right axially, the liquid will evenly flow from the nozzle 23 to the discharge hole 21 of the spray head 2 and mix with the compressed gas, so that the spray gun A can produce fine and uniform surface when spraying.

In particular, please refer to Fig. 2 and Fig. 3. After using the spray gun A to prevent the paint from drying up and blocking the spray head 2 and the nozzle 23, the user usually uses a special cleaning agent to soak the spray gun A to soften the remaining liquid. The conventional method puts in the air intake assembly 4 which is integrally formed together, but the air intake assembly 4 contains springs, gaskets and other parts inside. Corrosion causes the service life of the air intake assembly 4 to decrease; therefore, please refer to Figure 7, the air intake assembly 4 of the present invention can be disassembled and then cleaned, so as to achieve the effect of prolonging the life; in addition, the nozzle of the present invention The six air outlet holes 22 provided in 23 can make the compressed gas pass through quickly, avoid the blockage caused by the backflow of the compressed gas, and increase the uniform mixing degree of the compressed gas and the liquid at the same time.

To sum up, this new model involves an improved structure of a spray gun, and its structure has never been seen in books or public use. It truly meets the requirements for a new patent application. The above mentioned are the technical principles used in the specific embodiments of this case. If the changes made according to the concept of this case, the functions and effects produced by them do not exceed the spirit covered by this specification and drawings, they should be included in this case. Within the scope of the patent application, I will cooperate with Chen Ming.

A: Spray gun

1: Ontology

12: paint bucket

2: Nozzle

3: Control components

31: Control needle

32: Control switch

33: Control tube

34: Restrictions

4: Intake components

Claims (9)

An improved structure of a spray gun, which includes: a body, which is provided with a liquid channel and a gas channel inside the body; a spray head, which is connected to the liquid channel and the gas channel of the body, and the spray head further includes A nozzle, and the nozzle is arranged between a discharge hole of the spray head and the liquid channel of the body, and the nozzle is provided with several air outlet holes surrounding the discharge hole; and a control component, which is the control component It also includes a control needle and a control switch, wherein the control needle penetrates through the liquid passage of the body and the nozzle of the spray head, and the control switch is connected to the control needle to control the axial movement; Several air outlets are provided to easily remove the dry liquid remaining in the nozzle, so as to prevent the nozzle from being clogged and unusable. The improved structure of the spray gun according to claim 1, wherein the nozzle of the spray head is bullet-shaped and integrally formed, and the nozzle is provided with a first taper. The improved structure of the spray gun according to claim 2, wherein the liquid channel of the body is provided with an outlet, and the outlet is provided with a second taper relative to the first taper of the nozzle, and the first taper and the second taper are closely spaced. combine. The improved structure of the spray gun as claimed in item 1, wherein the control assembly further includes a control tube and a restrictor, and wherein the control tube presses against the control switch, and the control needle penetrates and is connected to the control tube, and The restricting piece is against the control tube. An improved structure of a spray gun, which includes: a body, a liquid channel and a gas channel are arranged inside the body; A spray head, the spray head further includes a nozzle, and the spray head is connected to the liquid passage of the body and the gas passage, and the nozzle is arranged between the spray head and the liquid passage of the body; a control component is the control The assembly further includes a control needle and a control switch, wherein the control needle penetrates through the liquid channel of the body and the nozzle of the spray head, and the control switch is connected to the control needle to control the axial movement; and an air inlet The component is that the intake component is connected to the gas channel of the body, and the intake component includes an intake valve, and the intake valve is pushed against by the control switch of the control component; the intake component is detachable The gas channel of the main body does not need to be soaked in liquid when cleaning, prolonging the service life of the intake valve. The improved structure of the spray gun as described in claim 5, wherein the interior of the spray head is provided with six air outlet holes and one discharge hole, and the discharge hole resists the nozzle, and the six air outlet holes surround the discharge hole at equal angles . The improved structure of the spray gun according to claim 5, wherein the nozzle of the spray head is bullet-shaped, and the nozzle is provided with a first taper. The improved structure of the spray gun according to claim 7, wherein the liquid channel of the body is provided with an outlet, and the outlet is provided with a second taper relative to the first taper of the nozzle, and the first taper and the second taper are closely spaced combine. The improved structure of the spray gun as described in claim 5, wherein the control assembly further includes a control tube and a restrictor, and wherein the control tube is pressed against the control switch, and the control needle is extended and connected to the control tube, and The restricting piece is against the control tube.

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