TW201500116A - Two stage spray structure - Google Patents

Abstract

A two stage spray structure includes a gun body, a turbulent pipe, a liquid pipe, a first stop check valve, a second stop check valve, and a trigger lever. The gun body has a gas-flow channel and a gas-inlet opening. The turbulent pipe has a turbulent channel. The turbulent pipe links with the gun body, and the gas-flow channel connects with the turbulent channel. The liquid-flow pipe has a liquid channel and a liquid-inlet opening. The liquid-flow pipe links the gun body. The first stop check valve disposes in the gun body. The second stop check valve disposes in the gun body. The trigger lever pivots on the gun body, and the first stop check valve and the two stop check valve locates the same side of the trigger lever. The trigger lever presses the first stop check valve or the first stop check valve and the second stop check valve.

Description

Two-stage spray gun structure

The present invention relates to a spray gun structure, and more particularly to a two-stage spray gun structure.

With the improvement of the quality of life of clothing, food, shelter and entertainment, various vehicles have also been upgraded from bicycles and locomotives to cars and recreational vehicles. When vehicles are on the road, it is inevitable that they will be exposed to sand and dirt. Therefore, after the vehicle has been driving for a period of time, it must be cleaned and brushed to keep the car body clean. Therefore, many car owners will use the holiday to send the vehicle to the car wash for cleaning. When cleaning the body of the vehicle, the manufacturer uses the foam to adhere to the cleaning agent to scrub the body, and then rinses the detergent foam with a water column through a water pipe. However, in the cleaning process, the water column of the water pipe is often insufficient, so that the dust on the car body is not easy to clean, and the mark of dust and sand will remain after the vehicle is cleaned.

Therefore, some manufacturers have developed a gas-liquid spray gun that uses high-pressure gas mixed with liquid to enhance the cleaning effect of the gas-liquid spray gun. The gas-liquid spray gun is connected to a grip, a liquid cylinder and a nozzle by a T-shaped tube, and the bottom of the grip is connected to a nozzle to an air compressor. The grip controls the high pressure air of the air compressor into the T-tube to generate a Venturi Effect to pour out the liquid in the liquid cylinder and then spray it outward from the nozzle.

However, in the early stage of cleaning, the owner can generally use the gas to remove the surface dirt to prevent the surface dirt from scratching the body, and then spray the gas-liquid spray to further clean the more difficult to clean stains. Therefore, if you want a better cleaning effect, the owner must purchase an air cleaning gun at the same time. And the gas-liquid spray gun, and in the process of cleaning, it will increase the trivial action such as disassembly and installation of the spray gun, which increases the purchase cost and reduces the convenience of operation.

The invention provides a two-stage spray gun structure, whereby the owner needs to purchase an air cleaning gun and a gas-liquid spray gun at the same time if a better cleaning effect is desired, and the disassembly and installation of the spray gun is increased during the cleaning process. Such trivial actions increase the cost of purchasing and reduce the efficiency of cleaning.

The two-stage spray gun structure disclosed in the present invention comprises a gun body, a spoiler tube, a liquid flow tube, a first stop valve member, a second stop valve member and a trigger member. The gun body has an air passage and an air inlet corresponding to the air passage. The spoiler has a spoiler. The spoiler is connected to the gun body. The airflow path connects the spoiler. The liquid flow tube has a liquid flow channel and a liquid inlet port and a liquid outlet port corresponding to the liquid flow channel. The liquid flow tube is located inside the spoiler tube, and one end is connected to the gun body. The liquid inlet is located in the air passage, and the liquid outlet is located in the spoiler. The first stop valve member has a first pressing portion and a first stopping portion connected. The first stop valve member is movably disposed on the gun body such that the first stop portion closes the intake port or away from the intake port. The second stop valve member has a second pressing portion and a second stopping portion connected to each other. The second stop valve member is movably disposed on the gun body such that the second stop portion closes the inlet port or away from the inlet port. The triggering member is pivotally disposed on the gun body, and the first pressing portion and the second pressing portion are located on the same side of the triggering member. The trigger member is pivotable relative to the gun body to have a first pressing position and a second pressing position. When the triggering member is in the first pressing position, the triggering member is pressed against the first pressing portion to sway the first stopping portion away from the air inlet, and the pulling member is kept at a distance from the second pressing portion. When the triggering member is in the second pressing position, the triggering member simultaneously presses against the first pressing portion and the second pressing portion to sway the first stopping portion away from the air inlet and the second stopping portion away from the liquid mouth.

According to the two-stage spray gun structure disclosed in the above invention, the gun body is provided with two stop valve members, and the two stop valve members are located on the same side of the trigger member, so that the user can operate the trigger member with one hand. The two stop valve members are respectively controlled by the trigger member to select and close the air inlet and the liquid inlet, separately open the air inlet or simultaneously open the air inlet and the liquid inlet, so that the two-stage spray gun structure has two sections Type of cleaning effect. In this way, the user can gently press the trigger member to spray the gas into the two-stage spray gun structure to remove the dust on the surface of the vehicle body, or press the trigger member to spray the two-stage spray gun structure to spray the gas-liquid spray to remove the sticking. Stains on the surface of the car body.

The above description of the present invention and the following description of the embodiments are intended to illustrate and explain the principles of the invention, and to provide a further explanation of the scope of the invention.

10‧‧‧Two-stage spray gun structure

20‧‧‧ liquid storage tank

100‧‧‧ gun body

110‧‧‧The Department of Guns

111‧‧‧ first end

112‧‧‧ second end

113‧‧‧Second chute

114‧‧‧Liquid tank assembly

115‧‧‧Connected ontology

116‧‧‧through passage

117‧‧‧ shaft hole

118‧‧‧Flow control valve

119‧‧‧Connected channel

120‧‧‧ gun handle

121‧‧‧First chute

122‧‧‧Air compressor connection hole

130‧‧‧ pivotal

140‧‧ Airflow Channel

150‧‧‧air inlet

200‧‧‧ spoiler

210‧‧‧Disruptive channel

220‧‧‧Combined tube

225‧‧‧Connected body

230‧‧‧Bent pipe body

300‧‧‧ flow tube

305‧‧‧Small tube

310‧‧‧Liquid runner

320‧‧‧ inlet port

330‧‧‧liquid outlet

340‧‧‧Assembled joints

341‧‧‧ Ontology

341a‧‧‧First connection channel

342‧‧‧ combination

342a‧‧‧Second connection channel

400‧‧‧Removable parts

410‧‧‧ pivotal section

420‧‧‧ Press section

500‧‧‧First stop valve

510‧‧‧First Pressure Relief Department

520‧‧‧First stop

600‧‧‧Second stop valve

610‧‧‧Second Pressure Relief Department

620‧‧‧Second stop

710‧‧‧First elastic parts

720‧‧‧Second elastic parts

800‧‧‧Nozzle mask

810‧‧‧ nozzle mouth

900‧‧‧Load ring

Fig. 1 is a perspective view showing the structure of a two-stage spray gun according to a first embodiment of the present invention.

Fig. 2A is a schematic cross-sectional view of Fig. 1.

Fig. 2B is a schematic cross-sectional view taken along the zigzag section line of 2B-2B in Fig. 2A.

Figures 3 and 4 are schematic views of the operation of the two-stage spray gun structure of Figure 1.

Fig. 5 is a schematic cross-sectional view showing the structure of a two-stage spray gun according to a second embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view showing the structure of a two-stage spray gun according to a third embodiment of the present invention.

Figure 7 is a perspective view showing the structure of a two-stage spray gun according to a fourth embodiment of the present invention.

Figure 8 is a schematic cross-sectional view of Figure 7.

Fig. 9 and Fig. 10 are schematic diagrams showing the operation of the flow control valve of the two-stage spray gun structure of Fig. 7.

Figure 11 is a cross-sectional view showing the structure of a two-stage spray gun in accordance with a fifth embodiment of the present invention.

Figure 12 is a schematic exploded view of the liquid flow tube of Figure 11.

1 to 2B, FIG. 1 is a perspective view showing a structure of a two-stage spray gun according to a first embodiment of the present invention, and FIG. 2A is a schematic cross-sectional view of FIG. Fig. 2B is a schematic cross-sectional view taken along the zigzag section line of 2B-2B in Fig. 2A.

The two-stage spray gun structure 10 of the embodiment comprises a gun body 100, a spoiler tube 200, a liquid flow tube 300, a trigger member 400, a first stop valve member 500, and a second stop valve member. 600, a first elastic member 710 and a second elastic member 720.

The gun body 100 has a barrel portion 110, a handle portion 120 and a pivot portion 130. The barrel portion 110 has a first end 111 and a second end 112 opposite to each other. The handle portion 120 is coupled to the first end 111 of the barrel portion 110. The pivoting portion 130 is coupled to the barrel portion 110 and located between the first end 111 and the second end 112. In addition, the gun body 100 has an air passage 140 and an air inlet 150 corresponding to the air passage 140. Airflow passage 140 extends from gun handle 120 to second end 112 of barrel portion 110.

The handle portion 120 further has a first sliding slot 121. The first chute 121 communicates with the air passage 140 and the air inlet 150. Further, the handle portion 120 has an air compressor connecting hole 122 that communicates with the air flow passage 140. The air machine connecting hole 122 is used to assemble an air compressor (not shown)

The first end 111 of the barrel portion 110 further has a second chute 113. In other embodiments, the second chute 113 is not in communication with the airflow path 140.

The spoiler 200 has a spoiler 210. The spoiler 200 is coupled to the second end 112 of the barrel portion 110. The spoiler 210 communicates with the air passage 140.

The liquid flow tube 300 is located in the spoiler 200 and has a liquid flow path 310 and a corresponding liquid A liquid inlet 320 and a liquid outlet 330 of the flow channel 310. In detail, the flow tube 300 includes a thin tube 305 and one end of the assembly joint 340 further includes an assembly joint 340 having a liquid inlet 320. The assembly joint 340 is connected to the second end 112 of the barrel portion 110, and the liquid inlet 320 is located in the air passage 140, and the liquid outlet 330 is located in the spoiler 210. In this embodiment, the material of the assembly joint 340 is metal, but not limited thereto. In other embodiments, other impact resistant materials may also be used.

The triggering member 400 has a connecting pivoting section 410 and a pressing section 420. The pivoting section 410 is pivotally disposed on the pivoting portion 130 , and the pressing section 420 and the handle portion 120 are located on the same side of the barrel portion 110 . The triggering member 400 is pivotable relative to the barrel portion 110 to have a first pressing position and a second pressing position.

The first retaining valve member 500 and the first elastic member 710 are movably disposed in the first sliding slot 121, and the first elastic member 710 is pressed against the inner wall surface of the first retaining valve member 500 and the handle portion 120 to The first stop 520 is caused to close the intake port 150 or to be relatively far from the intake port 150. In detail, the first stop valve member 500 has a first pressing portion 510 and a first stopping portion 520 connected thereto. The air inlet 150 is located between the first stop 520 and the trigger 400, and the first pressing portion 510 passes through the air inlet 150 and extends toward the trigger 400. The first elastic member 710 is pressed between the inner wall surface of the handle portion 120 and the first stopping portion 520, and the first stopping portion 520 is interposed between the first elastic member 710 and the air inlet 150. A stop 520 normally closes the intake port 150.

The second retaining valve member 600 and the second elastic member 720 are movably disposed in the second sliding slot 113, and the second elastic member 720 is pressed against the inner wall surface of the second retaining valve member 600 and the barrel portion 110. Therefore, the second stop portion 600 is closed to the inlet port 320 or away from the inlet port 320. In detail, the second stop valve member 600 has a second pressing portion 610 and a second stopping portion 620 connected thereto. The triggering member 400 is located between the second pressing portion 610 and the liquid inlet 320, and the first pressing portion 510 and the second abutting portion The pressing portion 610 is located on the same side of the triggering member 400, and the second stopping portion 620 extends from the second pressing portion 610 toward the liquid inlet 320. The second elastic member 720 is pressed between the inner wall surface of the barrel portion 110 and the second stopping portion 620, and the second stopping portion 620 is interposed between the first elastic member 720 and the liquid inlet 320. A stop 620 normally closes the inlet 320.

In this embodiment and other embodiments, the gun body 100 further includes a liquid storage tank assembly portion 114 for assembling the liquid storage tank 20. The reservoir assembly 114 has a through passage 116. The liquid reservoir assembly portion 114 is connected to the barrel portion 110, and the through passage 116 communicates with the liquid inlet 320 and the liquid flow path 310.

In this and other embodiments, the two-stage spray gun structure 10 further includes at least one load ring 900. The load ring 900 is sleeved on the spoiler 200, so that the spoiler 200 is in a bent state due to the influence of gravity.

In this and other embodiments, the two-stage spray gun structure 10 further includes a nozzle cover 800. The nozzle mask 800 has a nozzle opening 810 adjacent to the nozzle opening 810. The nozzle mask 800 is sleeved over the second end 112 of the barrel portion 110 with respect to one end of the nozzle opening 810. The spoiler tube 200 and the flow tube 300 are located within the nozzle mask 800.

Please refer to FIG. 2B to FIG. 4 , and FIG. 3 and FIG. 4 are schematic diagrams showing the operation of the two-stage spray gun structure of FIG. 1 .

First, as shown in FIG. 2B, the user can first assemble the liquid storage tank 20 to the liquid storage tank assembly portion 144, and connect the air compressor transfer line (not shown) to the air compressor connection hole 122.

Next, as shown in FIG. 3, when the user wants to start the car wash, the user can first gently press the trigger member 400 (in the direction indicated by the arrow a) so that the trigger member 400 is in the first pressing position. When the triggering member 400 is in the first pressing position, the triggering member 400 is pressed against the first stopping valve member 500. The first pressing portion 510 and the first stopping portion 520 are relatively far from the air inlet 150. At this time, the high-pressure air of the air compressor enters through the air inlet 150 and flows through the air passage 140 and the spoiler 210 to be ejected. However, since the second stopping portion 620 still blocks the liquid inlet 320 when the triggering member 400 is in the first pressing position, the liquid in the liquid storage tank 20 cannot enter the liquid inlet 320. The liquid port 320 flows into the liquid flow path 310. In this way, when the user gently presses the trigger member 400, the two-stage spray gun structure 10 can first spray high-pressure air to clean the dust on the surface of the vehicle body. In addition, since the spoiler 200 is sleeved with the load ring 900, the high-pressure air flows through the spoiler 210 and is affected by the load ring 900 to generate a swirling airflow to increase the cleaning effect of the two-stage spray gun structure 10.

Then, as shown in FIG. 4, after the surface of the vehicle body is initially removed, the user can press the triggering member 400 (in the direction indicated by the arrow a), so that the triggering member 400 is located at the second pressing position, and is moved. When the member 400 is in the second pressing position, the triggering member 400 simultaneously presses against the first pressing portion 510 of the first check valve member 500 and the second pressing portion 610 of the second check valve member 600, and simultaneously The first stop portion 520 is relatively far from the intake port 150 and the second stop portion 620 is relatively far from the inlet port 320. At this time, the high-pressure air of the air compressor enters the air passage 140 from the air inlet 150, and the liquid in the liquid storage tank 20 is attracted to the liquid outlet by the liquid inlet 320 due to the pressure difference generated by the high-pressure air. 330. At this time, the high-pressure air and the liquid are mixed with each other to generate a gas-liquid spray, so that the two-stage spray gun structure 10 has a better washing effect.

As can be seen from the above, the user selects the cleaning method of the two-stage spray gun structure 10 by pressing the trigger member 400 with one hand. When the user presses lightly, the two-stage spray gun structure 10 has the function of an air spray gun, which can be used to blow away dust on the surface of the vehicle body. When the user is stressed, the two-stage spray gun structure 10 has the function of a gas-liquid spray gun, which can be used to clean the stains adhering to the surface of the vehicle body. Therefore, the user can use the two-stage spray gun structure 10 to replace the traditional air spray gun and the conventional gas liquid spray. The fog gun reduces the procurement cost and increases the convenience of operation.

In the above embodiment, the spoiler effect of the spoiler 200 is increased by the load ring 900, but it is not limited thereto. In other embodiments, the effect of the spoiler 200 may be increased by other means. Please refer to FIG. 5. FIG. 5 is a cross-sectional view showing the structure of a two-stage spray gun according to a second embodiment of the present invention. Since this embodiment is similar to the embodiment of FIG. 1 described above, the same portions will not be described again. Next, only the differences will be explained.

The spoiler 200 of the present embodiment further includes a combined tubular body 220 and a bent tubular body 230. The combined tubular body 220 is detachably coupled to the second end 112 of the barrel portion 110, and is coupled to the tubular body 220. An angle is formed between the axis of the bent pipe body 230 to increase the spoiler effect of the spoiler 200. This angle is greater than 90 degrees or less than 180 degrees.

Please refer to FIG. 6. FIG. 6 is a cross-sectional view showing the structure of a two-stage spray gun according to a third embodiment of the present invention. Since this embodiment is similar to the embodiment of FIG. 1 described above, the same portions will not be described again. Next, only the differences will be explained.

The spoiler 200 of the embodiment further includes a combined tubular body 220, an engaging tubular body 225 and a bent tubular body 230. The tubular body 220 is detachably coupled to the second end 112 of the barrel portion 110. The adapter body 225 is detachably coupled to the coupling body 220. The adapter body 225 can additionally configure a load member to increase the spoiler effect of the spoiler tube 200. The bent tubular body 230 is detachably coupled to the adapter body 225. The bent pipe body 230 may be curved in a spiral shape or may be disposed at an angle with the axis of the combined pipe body 220, and is not limited thereto.

Please refer to Figure 7 and Figure 8. Figure 7 is a perspective view showing the structure of a two-stage spray gun according to a fourth embodiment of the present invention. Figure 8 is a schematic cross-sectional view of Figure 7. Since this embodiment is similar to the embodiment of FIG. 1 described above, the same portions will not be described again. Next, only the needle Explain the difference.

The liquid storage tank assembly portion 114 of the embodiment further includes a plurality of connecting bodies 115 and a flow control valve 118. The assembly body 115 has a through hole 116 and a shaft hole 117 communicating with the through passage 116. The assembly body 115 is coupled to the barrel portion 110. The through passage 116 communicates with the liquid inlet 320 and the liquid flow path 310. The flow control valve 118 has an engagement passage 119. The flow control valve 118 is rotatably disposed in the shaft hole 117 to allow the engagement passage 119 to communicate or not to communicate with the through passage 116.

Please refer to Fig. 8 and Fig. 10, and Fig. 9 and Fig. 10 are schematic diagrams showing the operation of the flow control valve of the two-stage spray gun structure of Fig. 7.

As shown in FIG. 9, when the user rotates the flow control valve 118 (in the direction indicated by the arrow b) so that the connecting passage 119 of the flow control valve 118 and the through passage 116 of the assembly body 115 are parallel to each other, the engagement passage 119 It is in communication with the through passage 116, and the flow rate of the inflow liquid passage 310 in the liquid unit time of the liquid storage tank 20 is the largest. As a result, the liquid of the liquid storage tank 20 can flow into the liquid flow path 310 through the through passage 116 , the connecting passage 119 and the liquid inlet 320 .

Next, as shown in FIG. 10, when the user rotates the flow control valve 118 (in the direction indicated by the arrow b), the connecting passage 119 of the flow control valve 118 and the through passage 116 of the assembly body 115 are nearly perpendicular to each other. The engagement channel 119 and the through channel 116 are not in communication with each other. In this way, the liquid of the liquid storage tank 20 can be prevented from flowing into the liquid flow path 310 through the through passage 116, the engagement passage 119, and the liquid inlet 320.

In addition, the user can also rotate the flow control valve 118 so that the connecting passage 119 of the flow control valve 118 and the through passage 116 of the assembly body 115 are at an acute angle to each other to control the flow rate of the liquid storage tank 20. For example, when the angle between the connecting passage 119 and the through passage 116 is closer to 0 degrees, the flow rate of the inflow liquid passage 310 in the liquid unit time of the liquid storage tank 20 is larger. Connecting channel 119 The closer the angle between the angle to the through passage 116 is to 90 degrees, the smaller the flow rate of the inflow liquid flow path 310 in the liquid unit time of the liquid storage tank 20.

Please refer to FIG. 11 and FIG. 12, which is a cross-sectional view showing the structure of a two-stage spray gun according to a fifth embodiment of the present invention. Figure 12 is a schematic exploded view of the liquid flow tube of Figure 11.

The flow tube 300 of the present embodiment includes a thin tube 305 and an assembly joint 340. The assembly joint 340 includes a body 341 and an assembly 342. The body 341 has a first connecting passage 341a. The body 341 is detachably disposed at the second end 112 of the barrel portion 110. The thin tubes 305 are detachably assembled to the first connecting passage 341a of the body 341. The assembly 342 has a second connecting passage 342a and a liquid inlet 320 corresponding to the second connecting passage 342a. The assembly 342 is detachably assembled to the body 341, and the second connection passage 342a is in communication with the first connection passage 341a.

In the present embodiment, since the opening of the thin tube 305 is located between the body 341 and the assembly 342, the second check valve member 600 hits the liquid inlet 320 of the assembly 342 when the liquid inlet 320 is closed, instead of Direct impact on the thin tube 305, thereby preventing the thin tube 305 from being damaged.

In addition, since the two-stage spray gun structure 10 is cleaned by high-speed gas or liquid, the high-speed gas causes the spoiler 200 to rotate at a high speed and causes the thin tube 305 to curl and be damaged. Therefore, through the two-piece assembly joint 340 described above, the user can easily replace the damaged capillary tube 305 to maintain the cleaning effect of the two-stage spray gun structure 10.

According to the two-stage spray gun structure disclosed in the above invention, the gun body is provided with two stop valve members, and the two stop valve members are located on the same side of the trigger member, so that the user can operate the trigger member with one hand. The two stop valve members are respectively controlled by the trigger member to select and close the air inlet and the liquid inlet, separately open the air inlet or simultaneously open the air inlet and the liquid inlet, so that the two-stage spray gun structure has two Segmental cleaning effect. In this way, the user can gently press the trigger member to spray the gas into the two-stage spray gun structure to remove the dust on the surface of the vehicle body, or press the trigger member to spray the two-stage spray gun structure to spray the gas-liquid spray to remove the sticking. Stains on the surface of the car body.

In addition, the liquid storage tank assembly portion is provided with a flow control valve, so that the user can control the flow rate of the liquid entering the liquid flow path through the flow rate control valve of the liquid storage tank assembly portion.

Furthermore, the two-piece assembled joint allows the user to replace the damaged tubules, thereby maintaining the cleaning effect of the two-stage spray gun structure.

Although the embodiments of the present invention are disclosed above, it is not intended to limit the present invention, and those skilled in the art, regardless of the spirit and scope of the present invention, the shapes, configurations, and features described in the scope of the present application. And the number of modifications may be made, and the scope of patent protection of the present invention shall be determined by the scope of the patent application attached to the specification.

10‧‧‧Two-stage spray gun structure

20‧‧‧ liquid storage tank

100‧‧‧ gun body

110‧‧‧The Department of Guns

111‧‧‧ first end

112‧‧‧ second end

113‧‧‧Second chute

114‧‧‧Liquid tank assembly

116‧‧‧through passage

120‧‧‧ gun handle

121‧‧‧First chute

122‧‧‧Air compressor connection hole

130‧‧‧ pivotal

140‧‧ Airflow Channel

150‧‧‧air inlet

200‧‧‧ spoiler

210‧‧‧Disruptive channel

300‧‧‧ flow tube

305‧‧‧Small tube

310‧‧‧Liquid runner

320‧‧‧ inlet port

330‧‧‧liquid outlet

340‧‧‧Assembled joints

400‧‧‧Removable parts

420‧‧‧ Press section

500‧‧‧First stop valve

510‧‧‧First Pressure Relief Department

520‧‧‧First stop

600‧‧‧Second stop valve

610‧‧‧Second Pressure Relief Department

620‧‧‧Second stop

710‧‧‧First elastic parts

720‧‧‧Second elastic parts

800‧‧‧Nozzle mask

810‧‧‧ nozzle mouth

900‧‧‧Load ring

Claims (13)

A two-stage spray gun structure comprising: a gun body having an air passage and an air inlet corresponding to the air passage; a spoiler having a spoiler, the spoiler being connected to the gun body, The air flow path is connected to the spoiler; the liquid flow tube has a liquid flow path and a liquid inlet and a liquid outlet corresponding to the liquid flow path, the liquid flow tube is located in the spoiler tube, and one end phase Connected to the gun body, the liquid inlet is located in the air passage, and the liquid outlet is located in the spoiler; a first stop valve member has a first pressing portion and a first stop a flow portion, the first stop valve member is movably disposed on the gun body, and the first stop portion closes the air inlet or away from the air inlet; a second stop valve member has a connection a second pressing portion and a second stopping portion, the second stopping valve member is movably disposed on the gun body, and the second stopping portion closes the liquid inlet or away from the liquid inlet; And a triggering member is pivotally disposed on the gun body, and the first pressing portion and the second pressing portion are located on the same side of the triggering member, and the triggering member is pivotable relative to the gun body to have a a pressing position and a second pressing position, wherein the pulling member is pressed against the first pressing portion when the pulling member is in the first pressing position, to move the first stopping portion away from the air inlet And the pulling member is kept at a distance from the second pressing portion. When the pulling member is in the second pressing position, the pulling member simultaneously presses against the first pressing portion and the second pressing portion. To shake the first The flow stop is away from the air inlet and the second flow stop is away from the liquid inlet. The two-stage spray gun structure of claim 1, wherein the gun body has a barrel portion, a handle portion and a pivot portion, and the barrel portion has a first end and a second end. The handle portion is connected to the first end of the barrel portion, and the spoiler tube and the liquid flow tube are respectively connected to the second end of the barrel portion, and the pivot portion is connected to the barrel portion And between the first end and the second end, the triggering member has a pivoting portion and a pressing portion, the pivoting portion is pivotally disposed on the pivoting portion, and the pressing portion and the handle portion are Located on the same side of the barrel. The two-stage spray gun structure of claim 2, wherein the handle portion further has a first chute, the first chute communicates with the air inlet and the air flow passage, and the first stop valve member is slidable Positioned in the first sliding slot, the air inlet is located between the first stopping portion and the triggering member, and the first pressing portion passes through the air inlet opening and extends toward the triggering member. The first stop valve member is slidable relative to the first chute such that the first stop portion closes the intake port or is relatively far from the intake port. The two-stage spray gun structure of claim 3, further comprising a first elastic member, the first elastic member being located in the first sliding groove and pressing against the inner wall surface of the handle portion and the first end Between the flow portions, and the first flow stop portion is interposed between the first elastic member and the air inlet to allow the first flow stop to normally close the air inlet. The two-stage spray gun structure of claim 2, wherein the first end of the barrel portion further has a second chute, the second stop valve member is slidably disposed on the a second sliding slot, the triggering member is located between the second pressing portion and the liquid inlet, and the second stopping portion extends from the second pressing portion toward the liquid inlet, the second The stop valve member is slidable relative to the second chute such that the second stop portion closes the inlet port or is relatively far from the inlet port. The two-stage spray gun structure of claim 5, further comprising a second elastic member located in the second sliding groove and pressing against the inner wall surface of the barrel portion and the second end Between the flow portions, and the second flow stop portion is interposed between the first elastic member and the liquid inlet port, so that the first flow stop portion normally closes the liquid inlet. The two-stage spray gun structure of claim 6, wherein the liquid flow tube further comprises an assembly joint having the liquid inlet and a thin tube, the assembly joint is connected to the second end of the barrel portion, The thin tube set is disposed on the assembly joint and communicates with the liquid inlet, and the assembled joint is made of metal. The two-stage spray gun structure of claim 2, wherein the spoiler further comprises a combined tubular body and a bent tubular body, the bonded tubular body detachably connecting the second portion of the barrel portion end. The two-stage spray gun structure of claim 2, wherein the spoiler further comprises a combined pipe body, a connecting pipe body and a bent pipe body, wherein the combined pipe body is detachably connected to the barrel portion. The second end, the connecting pipe body is detachably connected to the joint pipe body, and the bent pipe body is detachably connected to the joint pipe body. The two-stage spray gun structure of claim 2, further comprising a nozzle cover having a nozzle opening, the nozzle cover being sleeved with respect to one end of the nozzle opening The second end of the barrel portion is located within the nozzle mask. The two-stage spray gun structure of claim 2, wherein the gun body further comprises a liquid storage tank assembly portion, the liquid storage tank assembly portion comprises a plurality of connection bodies and a flow control valve, the assembly body has a through hole and a shaft hole communicating with the through passage, the assembly body is connected to the barrel portion, the through passage communicates with the liquid inlet and the liquid flow path, and the flow control valve has an engagement passage, the flow control valve The shaft hole is rotatably disposed to connect or disconnect the connecting passage. The two-stage spray gun structure of claim 1, further comprising at least one load ring disposed on the spoiler. An assembly joint for assembling a thin tube, comprising: a body having a first connecting passage for a thin tube assembly; and an assembly having a second connecting passage and corresponding to the second connecting passage a liquid inlet, the assembly is detachably assembled to the body, and the second connecting passage is in communication with the first connecting passage.