TWM632819U - Handheld rechargeable spray gun - Google Patents

Abstract

A hand-held rechargeable spray gun, comprising a body and a handle part arranged on one side of the body, the handle part includes a bottom end away from the body, the hand-held rechargeable spray gun further includes a handle part arranged on the bottom A liquid storage barrel at the end, and two atomizing nozzles and two gas pumps corresponding to the two atomizing nozzles are arranged in the body, and the two gas pumps allow the two atomizing nozzles to provide The flowing high-pressure gas pressurizes the liquid storage tank, and the two atomizing nozzles communicate with the liquid storage tank. When the two gas pumps are in operation, the pressure in the liquid storage tank increases to The liquid in the liquid storage barrel is delivered to the outlets of the two atomizing nozzles, and high-pressure gas is sprayed from the two atomizing nozzles to atomize the liquid and spray it to the outside.

Description

Handheld Rechargeable Spray Gun

The invention relates to a hand-held rechargeable spray gun, especially a hand-held rechargeable spray gun capable of atomizing a liquid solution and then diffusely spraying it.

Commercially available small hand-held spray guns can atomize liquid solutions and spray them out. For example, in response to the spread of the new coronavirus epidemic, this small hand-held spray gun can be prepared to an appropriate proportion of alcohol solution (for example, about 70% alcohol solution) Spray on objects or environments (such as tables, chairs, doorknobs...) to kill viruses remaining in said objects or environments. The commercially available small hand-held spray gun is usually provided with a container to accommodate the liquid solution, but the container is usually arranged at a position near the front side of the hand-held spray gun, so the overall counterweight of the hand-held spray gun does not Uneven, when used for a long time (such as disinfecting the environment of the entire space) will increase the burden on the hands.

Furthermore, commercially available non-professional hand-held spray guns all use a set of single-fluid spraying nozzles, and the sprayed atomized particles are relatively large and the range is relatively narrow, which easily makes the surface of the object wet and further sterilizing effect is also poor.

This creation provides a new hand-held rechargeable spray gun, which includes a body, a gas pump fixed in the body, an atomizing nozzle fixed in the body and the gas The pump supplies flowing high-pressure gas to the atomizing nozzle, a handle part is fixed on the outside of the body, and a liquid storage barrel is combined with the handle part, and the handle part is located between the body and the Between the liquid storage barrels, the high-pressure gas pump additionally supplies air to increase the internal pressure of the liquid storage barrels, and a liquid delivery pipe communicates with the atomizing nozzle and the liquid storage barrels. During operation, the internal pressure of the liquid storage tank increases so that the liquid is transported to the atomizing nozzle along the liquid delivery pipe, and the high-pressure gas supplied by the gas pump is ejected from the atomizing nozzle to drive the atomized The liquid is atomized and sprayed out of the atomizing nozzle.

The heavier liquid storage barrel (in a liquid state) and the gas pump are distributed at both ends of the handle, so that the weight distribution of the hand-held rechargeable spray gun of the present invention is relatively uniform, making it easy to use. Easier and easier. In addition, the battery is disposed inside the handle so that the weight distribution of the hand-held rechargeable spray gun is more uniform and can provide a good user experience.

The hand-held rechargeable spray gun further includes: a flow control valve, fixed in the body and connected to the liquid delivery pipeline, the flow control valve can adjust the flow rate in the liquid delivery pipeline The flow rate of the liquid, a battery is arranged on the inner side of the handle, the battery is used to supply the power required for the operation of the gas pump, a charging module is fixed on the body, the charging A module allows charging of the battery. .

Said hand-held rechargeable spray gun, wherein said atomizing spray head further comprises: a connecting piece, including a first end and a second end, said connecting piece further includes extending from said first end to said second end A gas channel at two ends, a gas joint, fixed on the outside of the connecting piece and communicated with the gas channel, an atomizing cover, combined with the first end of the connecting piece, the atomizing cover including an air chamber adjacent to said first end, said atomizing cover further comprising the outer surface of the cap extends to an outlet of the air chamber, a liquid conduit member comprising a liquid connector and a conduit, the liquid conduit member further comprising a liquid channel extending from the liquid connector to the conduit, The liquid conduit is sealingly combined with the second end of the adapter, the conduit is located in the gas passage, the outer surface of the conduit is separated from the inner surface of the gas passage, a head, fixed at the end of the conduit and communicated with the liquid channel, the head includes an end located in the air chamber, the end is aligned with the outlet and spaced from the inner surface of the outlet , the liquid delivery tube further includes an outer end combined with the liquid joint and an inner end located in the liquid storage tank, and a gas delivery tube connected between the gas joint and the gas pump During this period, when the gas pump is in operation, the internal pressure of the liquid storage tank increases, and the liquid to be atomized is led to the head along the liquid delivery pipe and liquid channel, and the high-pressure gas is drawn from the The gas delivery pipe is ejected from the outlet through the gas channel and the gas chamber.

Said handheld rechargeable spray gun, wherein the air chamber is conical, the outlet is circular, the end of the head is conical, and the end of the head is aligned with the end face of the outlet .

The hand-held rechargeable spray gun further includes: a sealing ring, wherein the liquid conduit member further includes an enlarged portion formed between the liquid joint and the conduit, and the gap between the enlarged portion and the conduit is An annular groove is formed between them, and the sealing ring is accommodated in the annular groove and abuts against the end surface of the second end of the connecting member.

The hand-held rechargeable spray gun further includes: a sealing gasket, wherein the liquid storage barrel further includes a first barrel opening and a second barrel opening, and the liquid storage barrel further includes a a lid removably and hermetically coupled to a barrel mouth, the liquid storage barrel The second barrel mouth is socketed with a bottom end included in the handle part, and the sealing gasket is arranged between the second barrel mouth and the bottom end of the handle part to seal the second barrel mouth, the liquid delivery pipe is tightly passed through the gasket.

The invention also provides a hand-held rechargeable spray gun, including: a body, two gas pumps fixed in the body, two atomizing nozzles fixed in the body and the two gas pumps The pump supplies flowing high-pressure gas to the two atomizing nozzles, a handle part is fixed on the outside of the body, and a liquid storage barrel is combined with the handle part, and the handle part is located between the body and the Between the liquid storage barrels, the gas pump additionally supplies air to increase the internal pressure of the liquid storage barrels, and two liquid delivery pipes communicate with the two atomizing nozzles and the liquid storage barrels. When the gas pump is in operation, the internal pressure of the liquid storage tank increases to transport the liquid to the two atomizing nozzles along the two liquid delivery pipes, and the high-pressure gas supplied by the gas pump flows from the two The spraying of the atomizing nozzle drives the atomization of the liquid to be atomized and sprays out of the two atomizing nozzles.

In this invention, through the operation of the gas pump, the high-pressure gas of the atomization nozzle is supplied and the pressure of the liquid storage tank is increased, so that the operation of atomizing the liquid is smoother.

The invention will become more apparent from the detailed description in which illustrative embodiments of the invention are illustrated with accompanying drawings.

10: spray gun

20: Ontology

21: air intake

22:Gas pump

23: Charging module

24: Intake end

26: air supply end

28: Atomizing nozzle

30: Connector

32: first end

34: second end

36: gas channel

38: Connection hole

39: Gas connector

40: Atomizing cover

42: Internal screw part

44: export

46: air chamber

48: Liquid conduit parts

50: Expansion Department

51: ring groove

52: Liquid connector

54: Conduit

56: screw joint

58: Liquid channel

60: sealing ring

62: head

64: end

68: handle part

70: Bottom

72: Liquid Storage Tank

73: The mouth of the first barrel

74: capping

75: Second Barrel Mouth

76: battery

77: Gasket

78: Flow control valve

80: Operation button

82: gas delivery pipe

84: Liquid delivery pipe

86: outer end

88: inner end

90: Pressurized tube

Figure 1 is a three-dimensional assembly view of the hand-held rechargeable spray gun of this creation after removing part of the shell.

Figure 2 is a three-dimensional exploded view of the atomizing nozzle used in the hand-held rechargeable spray gun of this creation.

Figure 3 is a three-dimensional exploded view of the hand-held rechargeable spray gun of this creation.

Figure 4 is the front view of the atomizing spray gun of this creation.

Figure 5 is a cross-sectional view taken along line 5-5 of Figure 3.

Figure 6 is a cross-sectional view taken along line 6-6 of Figure 4 .

Figure 7 is a cross-sectional view taken along line 7-7 of Figure 5.

Fig. 8 is a partially enlarged view of Fig. 7 .

All the drawings are only for explaining the basic teaching, and the extension of the number, position, relationship and size of the elements constituting the embodiment for illustration will be explained in the drawings or it belongs to the skill of the art after reading and understanding the following description. Also, modification of exact dimensions and dimensional ratios to meet specific strength, weight, strength, and similar requirements is within the skill of the art upon reading and understanding the following description.

In different drawings, the same reference numerals are used to designate the same or similar elements; "Aspect", "Front", "Back", "Height", "Width", "Length", "End", "Side", "Horizontal", "Vertical", etc. and similar terms are only for reference of the viewer The constructions in the drawings are only used to help describe the illustrative embodiments.

The invention is a hand-held rechargeable spray gun, especially a hand-held rechargeable spray gun that can atomize a liquid (such as alcohol solution for disinfection) and spray it on objects or in the air. Referring to Figures 1 to 8, the spray gun 10 of the present invention includes a body 20 and a handle portion 68 disposed on one side of the body 20, the handle portion 68 includes a bottom end 70 away from the body 20 , the spray gun 10 also includes a liquid storage barrel 72 combined with the handle portion 68 .

The main body 20 is provided with a plurality of intake holes 21 for introducing air in the atmosphere into the main body 20 . A space inside the liquid storage barrel 72 is used to store the liquid solution (such as alcohol solution for disinfection) that is ready to be atomized. The liquid storage barrel 72 also includes a first barrel mouth 73 and a A second bung 75 separated by the first bung 73, said first bung 73 is detachably screwed with a cover 74, removing said cover 74 allows to add desired material from said first bung 73 The atomized liquid solution enters the liquid storage barrel 72 , and the screwed cover 74 can prevent the liquid in the liquid storage barrel 72 from leaking out from the first barrel opening 73 .

The second barrel opening 75 of the liquid storage barrel 72 is affixed to the bottom end 70 of the handle portion 68, and a sealing gasket 77 is arranged at the second barrel opening 75 to seal the second barrel opening 75 , so that the liquid solution to be atomized in the liquid storage barrel 72 cannot overflow into the handle portion 68 . Furthermore, the handle portion 68 is substantially located between the body 20 and the liquid storage barrel 72 .

Two gas pumps 22 (as shown in FIG. 7 ) are fixed inside the body 20 , each of the gas pumps 22 includes an air inlet 24 facing each air inlet 21 and a gas inlet 24 away from the air inlet. An air delivery end 26 of each air intake hole 21 . The operation of the two gas pumps 22 is that air is inhaled and pressurized by the respective inlet ports 24 and then ejected from the gas delivery port 26 . The two gas pumps 22 can preferably be arranged adjacently and side by side.

The handle portion 68 is provided with two batteries 76 and an operation button 80 for operating the two batteries 76 to provide power. The two gas pumps 22 are electrically connected to the two batteries 76, and the operation is performed by pressing the two batteries 76. Knob 80 enables the two batteries 76 to power the two gas pumps 22 to operate. In fact, the two batteries 76 can be rechargeable batteries (such as lithium batteries), and a charging circuit electrically connected to the batteries 76 and exposed on the body 20 are provided in the body 20. A charging module 23 on the surface of the body 20, so that the battery 76 can be charged through the charging module 23.

Two dual-fluid atomizing nozzles 28 are further fixed inside the body 20, and each atomizing nozzle 28 includes a connecting piece 30, and each connecting piece 30 includes a first end 32 and a first end 32 spaced apart from each other. Two ends 34, the connecting member 30 is provided with screw teeth on the outer peripheral surface of the first end 32 and is provided with internal screw teeth on the inner peripheral surface of the second end 34 (as shown in Figures 2, 6 and 8 Shown), the connecting piece 30 further includes a gas channel 36 extending from the first end 32 to the second end 34, and the connecting piece 30 also includes a gas channel 36 extending from its outer peripheral surface to the gas channel 36. An engaging hole 38 communicated, the engaging hole 38 is located between the first and the second end 32, 34 along the axial direction of the engaging member 30 and is connected with the external thread and the internal thread. Teeth separated.

Each of the atomizing nozzles 28 further includes an atomizing cover 40 fixedly connected to the adapter 30 and a gas joint 39, wherein one end of the gas joint 39 is fixed in the connecting hole 38, and the gas joint 39 is fixed at the connecting hole 38. The other end of 39 protrudes from the outside of the connector 30 . The atomization cover 40 includes an outlet 44 extending from one end surface but separated from the other end surface and an air chamber 46 further extending from the outlet 44 but separated from the other end surface. The cover 40 also includes an internal screw portion 42 extending from the air chamber 46 to the other end surface, the outlet 44 is circular, the air chamber 46 is conical and the tip of the air chamber 46 is in contact with the other end surface. Said outlet 44 adjoins.

The inner screw portion 42 of the atomizing cover 40 is screwed to the first end 32 of the connecting member 30, and the first end 32 of the connecting member 30 is adjacent to the air chamber 46 but not connected to the The gas chamber 46 is separated, and the gas channel 36 communicates with the gas chamber 46 .

Each of the atomizing nozzles 28 also includes a liquid conduit member 48, and each of the liquid conduit members 48 includes an enlarged portion 50. The enlarged portion 50 has a non-circular outer contour, and substantially The outline is hexagonal, the enlarged part 50 further includes an annular groove 51 formed on one side, the liquid conduit member 48 further includes a liquid joint 52 extending from the other side of the enlarged part 50, the The liquid conduit member 48 also includes a conduit 54 extending from the inner side of the annular groove 51, and the conduit 54 includes a threaded portion 56 disposed on the outer periphery and spaced from the wall of the annular groove 51, the threaded portion part 56 is adjacent to the annular groove 51, and substantially the enlarged part 50 is located between the liquid joint 52 and the threaded part 56 along the axial direction of the connecting part 30, and the liquid conduit part 48 is in the A fluid channel 58 extending from the end of the conduit 54 to the fluid connection 52 is included.

The conduit 54 of the liquid conduit member 48 is accommodated in the gas passage 36 of the connecting member 30 , and the threaded portion 56 is screwed with the internal thread of the second end 34 of the connecting member 30 . , the outer peripheral surface of the conduit 54 is separated from the inner peripheral surface of the gas channel 36 for providing high-pressure gas flow, and the end of the conduit 54 is adjacent to the gas chamber 46 . A sealing ring 60 is arranged in the annular groove 51 of the enlarged portion 50 , and the sealing ring 60 is clamped on the second side of the annular groove 51 and the engaging member 30 substantially along the axial direction of the engaging member 30 . Between the ends 34, the liquid conduit member 48 is sealingly combined with the second end 34 of the adapter member 30.

The ends of the conduits 54 of the liquid conduits 48 of each atomizing nozzle 28 are respectively provided with a head 62, and each of the heads 62 includes an end 64 separated from the inner surface of the air chamber 46. The end 64 of the head 62 is located in each of the outlets 44 and is separated from the inner surface of each of the outlets 44 by a gap (providing high-pressure gas ejection), and each of the ends 64 is substantially along the axis of the connecting member 30 To be aligned with the outer end of the outlet 44, the inside of the head 62 has a small The hole communicates with the liquid channel 58. Referring to Figures 6-8, it can be seen that the gas passage 36 and the liquid passage 58 of each of the atomizing nozzles 28 are independently separated, so it can be seen that each of the atomizing nozzles 28 is a two-fluid mist separated by gas and fluid. The high-pressure gas and the liquid to be atomized can be transported independently.

The atomizing nozzles 28 are located in front of the gas delivery ends 26 of the gas pumps 22, and are arranged between the gas delivery terminals 26 of the gas pumps 22 and the gas connectors 39 of the atomization nozzles 28. A gas delivery pipe 82 (a total of two gas delivery pipes 82), so that the high-pressure gas generated by the operation of each gas pump 22 can be transported to the corresponding atomizing nozzle 28 through each gas delivery pipe 82 and enter the gas channel 36. Air chamber 46 and spray out from said outlet 44. It is worth mentioning that the conical air chamber 46 can help the high-pressure gas ejected from the outlet 44 to diffuse in an umbrella shape.

Furthermore, the two gas delivery pipes 82 additionally use a three-way joint to be connected to a pressurized pipe 90, and the ends of the pressurized pipe 90 pass through the gasket 77 tightly and extend into the In the liquid storage barrel 72. When the gas pumps 22 are in operation, a part of the high-pressure gas will be delivered into the liquid storage tank 72 through the pressurizing tube 90 , so that the pressure inside the liquid storage tank 72 increases.

In addition, two liquid delivery pipes 84 are arranged between the two atomizing nozzles 28 and the liquid storage barrel 72, each of the liquid delivery pipes 84 includes an outer end 86 and an inner end 88, and each liquid delivery pipe 84 includes an outer end 86 and an inner end 88. The outer end 86 of the pipe 84 is connected to the liquid connector 52 of each atomizing nozzle 28, and the inner end 88 of each liquid delivery pipe 84 passes through the sealing gasket 77 and also extends into the liquid storage barrel 72. Thus when the pressure in the liquid storage barrel 72 increases, the liquid The liquid to be atomized stored in the storage barrel 72 will flow to the two atomizing nozzles 28 along the two liquid delivery pipes 84 .

Two flow control valves 78 are arranged between the outer ends 86 and the inner ends 88 of the two liquid delivery pipes 84 and inside the body 20, and the two flow control valves 78 can be independently controlled. The flow rate of the liquid in the two liquid delivery pipes 84 .

For the convenience of description, it is assumed that the alcohol solution used for disinfection is stored in the liquid storage barrel 72. When the disinfection is to be performed, the operation button 80 is pressed, so that the two batteries 76 are activated by the two gas pumps 22. Power supply, the gas generated by the operation of the two gas pumps 22 is transported to the two atomizing nozzles 28 through the two gas delivery pipes 82, and enters the gas channel 36 through the gas joints 39 , further the gas is ejected from the outlet 44 (the gap between the inner wall of the outlet 44 and the end 64 of the head 62 ) through the air chamber 46 . At the same time, the high-pressure gas generated by the two gas pumps 22 is transported into the liquid storage tank 72 through the pressurizing tube 90, so that the pressure in the liquid storage tank 72 increases, and the liquid storage tank 72 The liquid in the liquid is extruded into the two liquid delivery tubes 84 and enters the liquid channel 58 along the two liquid delivery tubes 84, and the liquid in each liquid channel 58 further flows from the heads The end of the part 62 overflows to the outside of the atomization cover 40 through the outlet 44, and the liquid overflowing to the outside of the atomization cover 40 is further broken into mist by the high-pressure umbrella-shaped diffused high-pressure gas and then Blow the air outward.

The two flow control valves 78 can control the flow of the two liquid delivery pipes 84 , thereby adjusting the amount of atomized liquid sprayed by the two atomizing nozzles 28 .

When the operation button 80 is not pressed, the two batteries 76 do not supply power to the two gas pumps 33, and the two gas pumps 33 stop working, so the liquid storage tank 72 In this way, the liquid to be atomized in the liquid storage tank 72 will not continue to be transported to the two atomizing nozzles 28, and the two atomizing nozzles 28 also stop ejecting high-pressure gas, thus The spray gun 10 can then be stopped.

In this invention, through the operation of the gas pump 22, the atomization nozzle 28 is supplied with high-pressure gas and the pressure of the liquid storage tank 72 is increased, so that the operation of atomizing the liquid is smoother.

The heavier liquid storage barrel 72 (in a liquid state) and the gas pump 22 are arranged at the two ends of the handle portion 68, so that the weight distribution of the spray gun 10 of the present invention is more uniform, and the use of Easier and easier to navigate. In addition, the battery 76 is disposed inside the handle portion 68, so that the weight distribution of the spray gun 10 is more uniform, which can provide a good user experience.

In addition, the spray gun 10 of the present invention is provided with two atomizing nozzles 28 and two gas pumps 22, so that the spray gun 10 of the present invention can simultaneously use the two atomizing nozzles 28 to store the liquid The liquid in the barrel 72 is atomized and sprayed over a large area, which has the benefit of improving efficiency.

The spray gun 10 of this invention adopts two dual-fluid atomizing nozzles 28, and the sprayed atomized particles are finer and have a wider range, which is not easy to cause the surface of the object to become wet, and the disinfection operation becomes more efficient. To better bactericidal effect.

Since the invention disclosed in this specification can be embodied in other specific forms without departing from the spirit or general characteristics of the invention, and some of these specific forms have been indicated, the embodiments disclosed in this specification should be regarded as illustrative and not restrictive. The scope of this creation is defined by the attached scope of patent application, rather than by the above description, and all changes that fall within the equivalent meaning and scope of the scope of patent application will still be included in its scope.

10: spray gun

20: Ontology

21: air intake

22:Gas pump

23: Charging module

24: Intake end

26: air supply end

28: Atomizing nozzle

39: Gas connector

68: handle part

70: Bottom

72: Liquid Storage Tank

73: The mouth of the first barrel

74: capping

75: Second Barrel Mouth

76: battery

77: Gasket

78: Flow control valve

80: Operation button

82: gas delivery pipe

84: Liquid delivery pipe

86: outer end

88: inner end

90: Pressurized tube

Claims (10)

A hand-held rechargeable spray gun, comprising: a body; a gas pump fixed in the body; an atomizing nozzle fixed in the body and the gas pump supplies flowing high-pressure gas to the The atomizing nozzle; a handle part, fixed on the outside of the body; a liquid storage barrel, combined with the handle part, the handle part is located between the body and the liquid storage barrel, the gas The pump additionally supplies air to increase the internal pressure of the liquid storage tank; a liquid delivery pipe connects the atomizing nozzle and the liquid storage tank, and when the gas pump operates, the internal pressure of the liquid storage tank increases The liquid is transported to the atomizing nozzle along the liquid delivery pipe, and the high-pressure gas supplied by the gas pump is ejected from the atomizing nozzle to drive the atomized liquid to be atomized and sprayed out of the atomizing nozzle . The hand-held rechargeable spray gun as described in item 1 of the patent scope of the application further includes: a flow control valve, fixed in the body and connected to the liquid delivery pipeline, the flow control valve can be adjusted The flow rate of the liquid in the liquid delivery pipeline; a battery is arranged on the inner side of the handle, and the battery is used to supply the power required for the operation of the gas pump; a charging module is fixed on the On the body, the charging module allows charging the battery. The hand-held rechargeable spray gun as described in item 1 of the patent scope of the application, wherein the atomizing spray head further includes: an adapter, including a first end and a second end, and the adapter further includes a link from the first end One end extends to a gas channel at the second end; a gas joint is fixed on the outside of the connecting piece and communicates with the gas channel; an atomizing cover is connected to the first end of the connecting piece In combination, the atomizing cover includes an air chamber adjacent to the first end, the atomizing cover further includes an outlet extending from the outer surface of the atomizing cover to the air chamber; a liquid conduit , including a liquid joint and a conduit, the liquid conduit further includes a liquid passage extending from the liquid joint to the conduit, the liquid conduit is sealingly combined with the second end of the adapter, the The conduit is located in the gas passage, the outer surface of the conduit is separated from the inner surface of the gas passage; a head is fixed at the end of the conduit and communicates with the liquid passage, the head includes an end located in the air chamber, the end is aligned with the outlet and spaced from the inner surface of the outlet, the liquid delivery tube further includes an outer end combined with the liquid connector and An inner end located in the liquid storage barrel and a gas delivery pipe are connected between the gas connector and the gas pump. When the gas pump operates, the internal pressure of the liquid storage barrel rises High, the liquid to be atomized is led to the head along the liquid delivery pipe and the liquid channel, the high-pressure gas passes through the gas channel from the gas delivery tube, and the gas chamber passes through the outlet squirt. The hand-held rechargeable spray gun as described in item 3 of the scope of patent application, wherein the air chamber is conical, the outlet is circular, the end of the head is conical, and the end of the head is connected to the The end faces of the outlet are aligned. The hand-held rechargeable spray gun as described in item 3 of the patent scope of the application further includes: a sealing ring, wherein the liquid conduit part further includes an enlarged part formed between the liquid joint and the conduit, the An annular groove is formed between the enlarged portion and the conduit, and the sealing ring is accommodated in the annular groove and abuts against the end surface of the second end of the connecting piece. The hand-held rechargeable spray gun as described in item 1 of the patent scope of the application further includes: a sealing gasket, wherein the liquid storage barrel further includes a first barrel mouth and a second barrel mouth, and the liquid storage barrel further includes a cover that is detachably and sealingly combined with the first barrel mouth, the second barrel mouth of the liquid storage bucket is sleeved on a bottom end included in the handle part, and the sealing gasket The second barrel mouth is arranged between the second barrel mouth and the bottom end of the handle part to seal the second barrel mouth, and the liquid conveying pipe is tightly passed through the sealing gasket. A hand-held rechargeable spray gun, comprising: a body; two gas pumps, fixed in the body; two atomizing nozzles, fixed in the body, and the two gas pumps supply flowing High-pressure gas is supplied to the two atomizing nozzles; a handle part is fixed on the outside of the body; a liquid storage barrel is combined with the handle part, and the handle part is located between the body and the liquid Between the body storage barrels, the gas pump additionally supplies air to increase the internal pressure of the liquid storage barrels; two liquid delivery pipes connect the two atomizing nozzles and the liquid storage barrels, When the pump is in operation, the internal pressure of the liquid storage tank increases so that the liquid is transported to the two atomizing nozzles along the two liquid delivery pipes, and the high-pressure gas supplied by the gas pump is sprayed from the two atomizing nozzles. The spraying of the nozzle drives the atomization of the liquid to be atomized and sprays out of the two atomizing nozzles. The hand-held rechargeable spray gun as described in item 7 of the patent scope of the application, wherein each of the atomizing nozzles further includes: an adapter, including a first end and a second end, and the adapter further includes A gas channel extending from the first end to the second end; a gas joint fixed on the outside of the connecting piece and communicated with the gas channel; an atomizing cover connected to the first connecting piece of the connecting piece end joint, the atomizing cover includes an air chamber adjacent to the first end, the atomizing cover further includes an outlet extending from the outer surface of the atomizing cover to the air chamber; a liquid conduit A member comprising a fluid connector and a conduit, the fluid conduit further comprising a fluid channel extending from the fluid connector to the conduit, the fluid conduit being sealingly combined with the second end of the adapter, The conduit is located in the gas passage, the outer surface of the conduit is separated from the inner surface of the gas passage; a head is fixed at the end of the conduit and communicates with the liquid passage, the The head includes an end located in the gas chamber, the end is aligned with the outlet and spaced from the inner surface of the outlet, and the two liquid delivery tubes further include a joint with the two liquid connectors. An outer end of an outer end and an inner end located in the liquid storage barrel, and a gas delivery tube, connected between the gas connector and the gas pump, when the gas When the pump is in operation, the internal pressure of the liquid storage barrel increases, the liquid to be atomized is drained to the head along the liquid delivery pipe and the liquid channel, and the high-pressure gas passes through the gas delivery pipe The gas channel and the gas chamber are ejected from the outlet. The hand-held rechargeable spray gun as described in item 8 of the patent scope of the application, further comprising: a sealing ring, wherein the two liquid conduit members further include an enlarged portion formed between the liquid joint and the conduit, An annular groove is formed between the enlarged portion and the conduit, and the sealing ring is accommodated in the annular groove and abuts against the end surface of the second end of the connecting piece. The hand-held rechargeable spray gun as described in item 7 of the patent scope of the application further includes: a sealing gasket, wherein the liquid storage barrel further includes a first barrel mouth and a second barrel mouth, and the liquid storage barrel further includes a cover that is detachably and sealingly combined with the first barrel mouth, the second barrel mouth of the liquid storage bucket is sleeved on a bottom end included in the handle part, and the sealing gasket The second barrel mouth is arranged between the second barrel mouth and the bottom end of the handle part to seal the second barrel mouth, and the two liquid delivery pipes pass through the sealing gasket tightly.

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