CN218340073U

CN218340073U - Hand-held rechargeable spray gun

Info

Publication number: CN218340073U
Application number: CN202221578200.1U
Authority: CN
Inventors: 张明镇
Original assignee: Guangzhou Chuangwei Electronic Technology Co ltd
Current assignee: Guangzhou Chuangwei Electronic Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-01-20
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a handheld rechargeable spray gun, including a body and a handle portion of setting in one side of body, handle portion is including keeping away from a bottom of body, handheld rechargeable spray gun is further including setting up a liquid storage bucket of bottom, this internal two atomizer and corresponding of being provided with of body two gas pumps of two atomizer, two gas pumps allow right two atomizer provide mobile high-pressure gas and right liquid storage bucket pressurization, two atomizer with liquid storage bucket intercommunication works as during the function of two gas pumps, the pressure increase in the liquid storage bucket will liquid in the liquid storage bucket is past the export of two atomizer is carried to high-pressure gas follows two atomizer spouts will spray to the outside after the liquid atomization.

Description

Hand-held rechargeable spray gun

Technical Field

The utility model relates to a handheld rechargeable spray gun especially indicates a handheld rechargeable spray gun that can spray liquid solution atomizing back diffusion.

Background

Small hand-held spray guns are commercially available which can atomize and spray a liquid solution, for example, in response to a new coronavirus epidemic situation, and can spray an alcohol solution (for example, about 70% alcohol solution) prepared in a suitable ratio onto an object or an environment (for example, a table, a chair, a door knob, etc.) to kill viruses remaining in the object or the environment. The small hand-held spray guns that are commercially available are generally provided with a container for containing a liquid solution, but the container is generally disposed near the front side of the hand-held spray gun, so that the weight of the hand-held spray gun as a whole is not uniform, and a burden is imposed on the hands during long-term use (e.g., sterilization of the environment in the entire space).

Furthermore, commercially available non-professional hand-held spray guns all adopt a group of single-fluid atomization spray heads, and the sprayed atomized particles are large and narrow in range, so that the surfaces of objects are easily moistened, and further the sterilization effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel handheld rechargeable spray gun.

In order to achieve the above object, the utility model adopts the following technical scheme:

a handheld rechargeable spray gun, characterized in that includes:

a body;

a gas pump fixedly arranged in the body;

the atomizing nozzle is fixedly arranged in the body, and the gas pump supplies flowing high-pressure gas to the atomizing nozzle;

the handle part is fixedly arranged on the outer side of the body;

a liquid reservoir barrel coupled to said handle portion, said handle portion being positioned between said body and said liquid reservoir barrel, said gas pump additionally supplying air to said liquid reservoir barrel to increase internal pressure;

and the liquid conveying pipe is communicated with the atomizing spray head and the liquid storage barrel.

The rechargeable spray gun of handheld, wherein, still include:

a flow control valve fixedly disposed in the body and communicatively coupled to the liquid delivery line, the flow control valve being capable of regulating a flow rate of the liquid in the liquid delivery line;

a battery disposed inside the handle portion, the battery being configured to supply power required for operation of the gas pump;

and the charging module is fixedly arranged on the body and allows the battery to be charged.

The rechargeable spray gun of handheld, wherein: the atomizer still includes:

a joint including a first end and a second end, the joint further including a gas channel extending from the first end to the second end;

the gas joint is fixedly arranged on the outer side of the connecting piece and is communicated with the gas channel;

an atomizing cap coupled to said first end of said adapter, said atomizing cap including a plenum adjacent said first end, said atomizing cap further including an outlet extending from an outer surface of said atomizing cap to said plenum;

a liquid conduit member including a liquid connector and a conduit, said liquid conduit member further including a liquid passage extending from said liquid connector to said conduit, said liquid conduit member sealingly engaging said second end of said adapter member, said conduit being positioned within said gas passage, said conduit having an outer surface spaced from an inner surface of said gas passage;

a head secured to the end of the conduit and in communication with the liquid passage, the head including an end located within the gas chamber, the end aligned with the outlet and spaced from the inner surface of the outlet, the liquid delivery tube further including an outer end coupled to the liquid connector and an inner end located within the liquid storage barrel, and

a gas delivery tube connected between the gas connection and the gas pump.

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

The rechargeable spray gun of handheld, wherein, still include:

a sealing ring, wherein said liquid conduit member further comprises an enlarged portion formed between said liquid connector and said conduit, said enlarged portion and said conduit forming an annular groove therebetween, said sealing ring being received in said annular groove and abutting against an end surface of said second end of said adapter member.

The rechargeable spray gun of handheld, wherein, still include:

a sealed pad, wherein the liquid storage bucket still includes a first bung hole and a second bung hole, the liquid storage bucket still include detachably with a closing cap that first bung hole can be dismantled and combine sealedly, the liquid storage bucket the second bung hole with a bottom that the handle portion includes cup joints, sealed pad sets up the second bung hole with be used for sealing between the bottom of handle portion the second bung hole, the liquid conveying pipe passes with sealed pad.

A handheld rechargeable spray gun, characterized in that includes:

a body;

two gas pumps fixedly arranged in the body;

the two atomizing nozzles are fixedly arranged in the body, and the two gas pumps supply flowing high-pressure gas to the two atomizing nozzles;

the handle part is fixedly arranged on the outer side of the body;

and the two liquid conveying pipes are communicated with the two atomizing nozzles and the liquid storage barrel.

Handheld rechargeable spray gun, wherein, each atomizer still includes:

an atomizing cap coupled to said first end of said adapter, said atomizing cap including an air chamber adjacent said first end, said atomizing cap further including an outlet extending from an outer surface of said atomizing cap to said air chamber;

a head secured to the distal end of the conduit and in communication with the liquid passage, the head including a distal end located within the air chamber, the distal end aligned with the outlet and spaced from the inner surface of the outlet, the two liquid transport tubes further including an outer end joined to the two liquid connectors and an inner end located within the liquid storage barrel, and

a gas delivery tube connected between the gas connection and the gas pump.

Handheld rechargeable spray gun, wherein, still include:

a sealing ring, wherein the two liquid conduit members further comprise 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 face of the second end of the adapter.

The rechargeable spray gun of handheld, wherein: further comprising:

a sealed pad, wherein the liquid storage bucket still includes a first bung hole and a second bung hole, the liquid storage bucket still include detachably with a closing cap that the first bung hole can be dismantled and combine sealedly, the liquid storage bucket the second bung hole with a bottom that the handle portion includes cup joints, sealed pad sets up the second bung hole with be used for sealing up between the bottom of handle portion the second bung hole, two liquid conveying pipe pass with sealed pad.

The utility model provides a handheld rechargeable spray gun during high-pressure gas pump function, liquid is stored bucket internal pressure and is increased and make liquid along liquid conveying pipe carries extremely atomizer, and the high-pressure gas of gas pump supply is followed atomizer blowout drives the liquid atomization that wants the atomizing and spout outside the atomizer.

With weight heavier the liquid storage bucket (have the state of liquid) and the gas pump is established separately the both ends of handle portion make the utility model discloses a handheld rechargeable spray gun weight distribution is more even for it is more handy and light in the use. In addition will the battery setting is in handle portion inboard for hand-held rechargeable spray gun's weight distribution is more even, can provide the good use experience of user.

The utility model discloses a gas pump function supplies simultaneously atomizer high-pressure gas and increase bucket pressure is stored to liquid for it is more smooth and easy with the atomizing operation of liquid.

The present invention will become more apparent from the detailed description given of illustrative embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective combination view of the handheld rechargeable spray gun of the present invention with part of the housing removed.

Fig. 2 is an exploded perspective view of the atomizer used in the handheld rechargeable spray gun of the present invention.

Fig. 3 is an exploded perspective view of the hand-held rechargeable spray gun of the present invention.

Fig. 4 is a front view of the atomizing gun of the present invention.

Fig. 5 is a sectional view taken along line 5-5 of fig. 3.

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

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

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

The reference numbers indicate: 10, a spray gun; 20 a body; 21 air inlet holes; 22 a gas pump; 23 a charging module; 24 an air inlet end; 26 an air delivery end; 28 atomizing spray heads; 30 a joining member; 32 a first end; 34 a second end; 36 a gas channel; 38 engaging the hole; 39 a gas connection; 40 atomizing cover; 42 an internal thread portion; an outlet 44; 46 an air chamber; 48 a liquid conduit member; a 50 expanding part; 51, a ring groove; 52 a liquid connection; 54 a catheter; 56 a screw connection part; 58 a liquid channel; 60 sealing rings; 62 a head part; 64 terminal end; 68 a handle portion; 70 bottom end; 72 a liquid storage barrel; 73 a first bung; 74 a cover; 75 a second bung; 76 batteries; 77 a seal gasket; 78 a flow control valve; 80 an operating button; 82 a gas delivery pipe; 84 a liquid delivery tube; 86 outer end; 88 inner end; 90 pressure tube.

Detailed Description

The drawings are intended to depict only the basic teaching, and extension of the number, location, relationship, and dimensions of the components that make up the illustrative embodiments will be described or apparent to those skilled in the art upon reading and understanding the following description. Further, variations in precise dimensions and dimensional proportions to conform to specific force, weight, strength, and similar requirements will become apparent to those of ordinary skill in the art upon reading and understanding the following description.

The same reference numbers in different drawings identify the same or similar elements; it should also be appreciated that terms such as "top," "bottom," "first," "second," "forward," "rearward," "reverse," "front," "rear," "height," "width," "length," "end," "side," "horizontal," "vertical," and the like are used herein for ease of reference only to the figure configurations and to aid in the description of illustrative embodiments.

The utility model provides a handheld rechargeable spray gun, especially indicate a handheld rechargeable spray gun that can spray after atomizing liquid (for example the alcohol solution of disinfecting usefulness) in object or air. Referring to fig. 1 to 8, the spray gun 10 of the present invention includes a body 20 and a handle portion 68 disposed at one side of the body 20, the handle portion 68 includes a bottom end 70 away from the body 20, and the spray gun 10 further includes a liquid storage barrel 72 combined with the handle portion 68.

The body 20 is provided with a plurality of air inlets 21 for introducing air from the atmosphere into the body 20. The liquid storage barrel 72 has a space for storing a liquid solution to be atomized (e.g. alcohol solution for sterilization), the liquid storage barrel 72 further includes a first barrel mouth 73 and a second barrel mouth 75 spaced apart from the first barrel mouth 73, the first barrel mouth 73 is detachably screwed with a cover 74, the removal of the cover 74 allows the liquid solution to be atomized to be added from the first barrel mouth 73 into the liquid storage barrel 72, and the screwing of the cover 74 prevents the liquid in the liquid storage barrel 72 from leaking out of the first barrel mouth 73.

The second opening 75 of the liquid storage barrel 72 is fixedly connected to the bottom end 70 of the handle portion 68, and a sealing pad 77 is disposed at the second opening 75 for sealing the second opening 75, so that the liquid solution to be atomized in the liquid storage barrel 72 cannot overflow into the handle portion 68. Further, the handle portion 68 is substantially located between the body 20 and the liquid storage barrel 72.

Two air pumps 22 (as shown in fig. 7) are fixedly arranged in the body 20, and each air pump 22 comprises an air inlet end 24 facing each air inlet hole 21 and an air outlet end 26 far away from each air inlet hole 21. The two gas pumps 22 are operated by sucking air from their respective air inlets 24 and pressurizing the air to be discharged from the air outlet 26, and the two gas pumps 22 may be disposed adjacent to each other.

Two batteries 76 and an operation button 80 for operating the two batteries 76 to supply power are arranged in the handle portion 68, the two gas pumps 22 are electrically connected with the two batteries 76, and the two batteries 76 supply power to the two gas pumps 22 to operate by pressing the operation button 80. The two batteries 76 may be rechargeable batteries (e.g., lithium batteries), and a charging circuit electrically connected to the batteries 76 and a charging module 23 exposed on the surface of the body 20 are disposed in the body 20, so that the batteries 76 can be charged through the charging module 23.

Two dual-fluid atomizer heads 28 are further secured within the body 20, each atomizer head 28 including an adapter 30, each adapter 30 including a first end 32 and a second end 34 spaced apart from each other, the adapter 30 having threads on an outer circumferential surface of the first end 32 and internal threads on an inner circumferential surface of the second end 34 (see fig. 2, 6, and 8), the adapter 30 further including a gas passage 36 extending from the first end 32 to the second end 34, the adapter 30 further including an adapter hole 38 extending from an outer circumferential surface thereof to communicate with the gas passage 36, the adapter hole 38 being located axially of the adapter 30 between the first and second ends 32, 34 and spaced apart from the external and internal threads. ' of

Each atomizer 28 further includes an atomizer cap 40 fixedly connected to the adaptor 30 and a gas connector 39, wherein one end of the gas connector 39 is fixedly connected to the adaptor hole 38, and the other end of the gas connector 39 protrudes out of the adaptor 30. The atomizing cap 40 includes an outlet 44 extending from one end surface but spaced from the other end surface and a plenum 46 further extending from the outlet 44 but spaced from the other end surface, the atomizing cap 40 also includes an internal thread 42 extending from the plenum 46 to the other end surface, the outlet 44 is circular, the plenum 46 is conical and the tip of the plenum 46 is contiguous with the outlet 44.

The internal threads 42 of the atomization cap 40 are threadably engaged with the first end 32 of the adapter 30, the first end 32 of the adapter 30 is adjacent to the air chamber 46 but spaced from the air chamber 46, and the gas passage 36 is in communication with the air chamber 46.

Each atomizer head 28 further comprises a liquid conduit member 48, each liquid conduit member 48 comprising an enlarged portion 50, the enlarged portion 50 having a non-circular outer contour, substantially the outer contour of the enlarged portion 50 being hexagonal, the enlarged portion 50 further comprising an annular groove 51 formed in one side surface, the liquid conduit member 48 further comprising a liquid connection 52 extending from the other side surface of the enlarged portion 50, the liquid conduit member 48 also comprising a conduit 54 extending from the inside of the annular groove 51, the conduit 54 comprising a threaded portion 56 disposed around the outside and spaced from the wall surface of the annular groove 51, the threaded portion 56 abutting the annular groove 51, substantially the enlarged portion 50 being located between the liquid connection 52 and the threaded portion 56 in the axial direction of the adapter 30, the liquid conduit member 48 comprising a liquid passage 58 extending from the end of the conduit 54 to the liquid connection 52.

The conduit 54 of the liquid conduit member 48 is received within the gas passage 36 of the adapter 30, the threaded portion 56 is threadedly engaged with the internal threads of the second end 34 of the adapter 30, the outer peripheral surface of the conduit 54 is spaced from the inner peripheral surface of the gas passage 36 to provide high pressure gas communication, and the distal end of the conduit 54 is adjacent the gas chamber 46. A sealing ring 60 is arranged in the annular groove 51 of the enlargement 50, the sealing ring 60 being clamped substantially in the axial direction of the joint element 30 between the annular groove 51 and the second end 34 of the joint element 30, so that the liquid conduit part 48 is sealingly joined to the second end 34 of the joint element 30.

The distal ends of the conduits 54 of the liquid conduit member 48 of each atomizer head 28 are each provided with a head 62, each head 62 including a distal end 64 spaced from the inner surface of the plenum 46, the distal end 64 of each head 62 being located within each outlet 44 and spaced from the inner surface of each outlet 44 by a gap (providing a high pressure gas jet), each distal end 64 being substantially aligned with the outer end of the outlet 44 in the axial direction of the adapter 30, the interior of the head 62 having a small bore communicating with the liquid passage 58. Referring to fig. 6 to 8, it can be seen that the gas channel 36 and the liquid channel 58 of each atomizer 28 are independently separated, and thus each atomizer 28 is a two-fluid atomizer with separated gas and fluid, and the high-pressure gas and the liquid to be atomized can be delivered independently.

The atomizer nozzles 28 are located in front of the gas supply end 26 of the gas pumps 22, and one gas delivery pipe 82 (two gas delivery pipes 82 in total) is provided between the gas supply end 26 of the gas pumps 22 and the gas connector 39 of each atomizer nozzle 28, so that high-pressure gas generated by the operation of each gas pump 22 can be delivered to the corresponding atomizer nozzle 28 through each gas delivery pipe 82, enter the gas channel 36 and the gas chamber 46, and be ejected from the outlet 44. It is worth mentioning that the conical air chamber 46 can help the high-pressure gas ejected from the outlet 44 to spread like an umbrella.

Further, the two gas delivery pipes 82 are additionally connected to a pressure pipe 90 using a three-way joint, and the end of the pressure pipe 90 is inserted through the packing 77 and inserted into the liquid storage tank 72. When each of the gas pumps 22 is operated, a part of the high-pressure gas is delivered into the liquid storage barrel 72 through the pressurization pipe 90, so that the pressure inside the liquid storage barrel 72 is increased.

Furthermore, two liquid conveying pipes 84 are provided between the two atomizing nozzles 28 and the liquid storage barrel 72, each liquid conveying pipe 84 includes an outer end 86 and an inner end 88, the outer end 86 of each liquid conveying pipe 84 is connected to the liquid connector 52 of each atomizing nozzle 28, and the inner end 88 of each liquid conveying pipe 84 tightly penetrates through the sealing pad 77 and also extends into the liquid storage barrel 72, so that when the pressure in the liquid storage barrel 72 rises, the liquid to be atomized stored in the liquid storage barrel 72 flows to the two atomizing nozzles 28 along the two liquid conveying pipes 84.

Two flow control valves 78 are disposed between the outer ends 86 and the inner ends 88 of the two liquid delivery pipes 84 and on the inner side of the body 20, and the two flow control valves 78 can independently control the flow rates of the liquids of the two liquid delivery pipes 84.

For convenience of explanation, assuming that the liquid storage barrel 72 stores alcohol solution for sterilization, when the sterilization is to be performed, the operating button 80 is pressed so that the two batteries 76 supply power to the two gas pumps 22, and the gas generated by the operation of the two gas pumps 22 is delivered to the two atomizing nozzles 28 through the two gas delivery pipes 82 and enters the gas channel 36 through the gas connectors 39, and further the gas is ejected from the outlet 44 (a gap between the inner wall of the outlet 44 and the end 64 of the head 62) through the gas chamber 46. Meanwhile, the high-pressure gas generated by the two gas pumps 22 is delivered into the liquid storage barrel 72 through the pressurization pipe 90, so that the pressure in the liquid storage barrel 72 is increased, the liquid in the liquid storage barrel 72 is squeezed into the two liquid delivery pipes 84 and enters the liquid channels 58 along the two liquid delivery pipes 84, the liquid in each liquid channel 58 further overflows from the tail end of each head 62 to the outer side of the atomizing cover 40 through the outlet 44, and the liquid overflowing to the outer side of the atomizing cover 40 is further broken into mist by the high-pressure umbrella-shaped diffusion high-pressure gas and is blown outwards along with the gas flow.

The two flow control valves 78 are capable of controlling the flow of the two liquid delivery tubes 84, thereby adjusting the amount of atomized liquid sprayed by the two atomizer heads 28.

When the operation button 80 is not pressed, the two batteries 76 do not supply power to the two gas pumps 22, the two gas pumps 22 stop operating, so that the pressure in the liquid storage barrel 72 is reduced, the liquid to be atomized in the liquid storage barrel 72 cannot be continuously conveyed to the two atomizing nozzles 28, and the two atomizing nozzles 28 stop spraying high-pressure gas, so that the spray gun 10 can stop operating.

The utility model discloses see through gas pump 22 function supplies simultaneously atomizer 28 high-pressure gas and increase bucket 72 pressure is stored to liquid for it is more smooth and easy with liquid atomizing's operation.

With the weight heavier liquid storage bucket 72 (the state that has liquid) and gas pump 22 divides to be established the both ends of handle portion 68 make the utility model discloses a spray gun 10 weight distribution is more even for it is more handy and light in the use. In addition, the battery 76 is arranged inside the handle portion 68, so that the weight distribution of the spray gun 10 is more uniform, and a good use experience can be provided for a user.

Furthermore, the utility model discloses a spray gun 10 sets up two atomizer 28 and two gas pump 22 makes the utility model discloses a spray gun 10 can use simultaneously two atomizer 28 will liquid in the liquid storage bucket 72 is atomized the back large tracts of land and is sprayed, has the benefit of raising the efficiency.

The utility model discloses spray gun 10 adopts two fluidic atomizer 28, and the atomizing granule of blowout is more minutely and the scope is wider, is difficult to lead to the moistening that the surface of object becomes, and the disinfection operation becomes more efficient, further also can bring better bactericidal effect.

The foregoing description is intended to be illustrative, rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a handheld rechargeable spray gun which characterized in that includes:

a body;

a gas pump fixedly arranged in the body;

the atomizing spray head is fixedly arranged in the body, and the gas pump supplies flowing high-pressure gas to the atomizing spray head;

the handle part is fixedly arranged on the outer side of the body;

a liquid storage barrel coupled to said handle portion, said handle portion being positioned between said body and said liquid storage barrel, said air pump additionally supplying air to said liquid storage barrel to increase internal pressure;

2. The hand-held rechargeable spray gun of claim 1, further comprising:

3. The hand-held rechargeable spray gun of claim 1, further comprising: the atomizer still includes:

a adapter including a first end and a second end, the adapter further including a gas channel extending from the first end to the second end;

a liquid conduit member including a liquid connector and a conduit, said liquid conduit member further including a liquid passage extending from said liquid connector to said conduit, said liquid conduit member sealingly engaging said second end of said adapter member, said conduit being located within said gas passage, said conduit having an outer surface spaced from an inner surface of said gas passage;

a gas delivery tube connected between the gas connection and the gas pump.

4. The hand-held rechargeable spray gun of claim 3, wherein: the air chamber is conical, the outlet is circular, the tail end of the head is conical, and the tail end of the head is flush with the end face of the outlet.

5. The hand-held rechargeable spray gun of claim 3, further comprising:

a sealing ring, wherein said liquid conduit member further comprises an enlarged portion formed between said liquid fitting and said conduit, said enlarged portion and said conduit forming an annular groove therebetween, said sealing ring being received in said annular groove and abutting against an end surface of said second end of said adapter member.

6. The hand-held rechargeable spray gun of claim 1, further comprising:

7. The utility model provides a handheld rechargeable spray gun which characterized in that includes:

a body;

two gas pumps fixedly arranged in the body;

the handle part is fixedly arranged on the outer side of the body;

8. The hand-held rechargeable spray gun of claim 7 wherein each of said atomizer heads further comprises:

a gas delivery tube connected between the gas connection and the gas pump.

9. The hand-held rechargeable spray gun of claim 8, further comprising:

10. The hand-held rechargeable spray gun of claim 7, further comprising: further comprising:

a sealed pad, wherein the liquid storage bucket still includes a first bung hole and a second bung hole, the liquid storage bucket still include detachably with a closing cap that first bung hole can be dismantled and combine sealedly, the liquid storage bucket the second bung hole with a bottom that the handle portion includes cup joints, sealed pad sets up the second bung hole with be used for sealing between the bottom of handle portion the second bung hole, two liquid conveying pipe pass with sealed pad.