Backpack type storage battery ultra-low volume spraying machine

Abstract

The utility model is suitable for the technical field of spraying equipment, and provides a backpack type storage battery ultra-low volume spraying machine which comprises a machine base, a liquid storage tank, a power assembly, a liquid storage tank, a liquid storage tank, a liquid storage tank, a liquid storage tank and a liquid storage tank, the number of the liquid storage tanks is two; the power assembly is respectively connected with the two liquid storage tanks; the spraying assembly comprises a connecting pipe and a spraying gun, and the spraying gun is provided with a gear shifting switch, a change-over switch and a spraying switch. According to the backpack type storage battery ultra-low-capacity spraying machine, the straps are arranged, a user can conveniently use the backpack type storage battery ultra-low-capacity spraying machine, the change-over switch used for switching spraying of different liquid is arranged in the spraying gun, the arranged gear adjusting switch can be used for adjusting the liquid spraying gear, and in the using process of the user, different liquid is stored in different liquid storage tanks, so that the user can conveniently use the backpack type storage battery ultra-low-capacity spraying machine. Different liquid can be adjusted to be sprayed out of the spray gun by controlling the change-over switch, the liquid spraying gear is adjusted through the gear adjusting switch, and the whole operation process is time-saving, labor-saving and high in efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of spray equipment technology, and in particular relates to a backpack-type ultra-low capacity battery sprayer. Background Technology

[0002] The main function of a sprayer is to spray liquids (such as pesticides, disinfectants, and cleaning agents) in a mist form onto a target surface to achieve uniform coverage and efficient treatment. Sprayers are widely used in many fields, including agricultural production, industrial production, public health, and home gardening. They can spray liquids used for cleaning, disinfection, or vector control onto target surfaces to achieve the desired effect.

[0003] Factors affecting the spraying effect of a sprayer include equipment performance (spray volume, pressure, nozzle type), operating method (walking speed, spray height and angle), environmental conditions (wind speed, wind direction, temperature, humidity), pesticide properties (viscosity, surface tension), target characteristics (plant surface characteristics, mobility), and equipment maintenance.

[0004] In the existing technology, most sprayers require multiple workers to operate when different liquids need to be sprayed in the same spraying area, or two different sprayers need to be set up to carry different liquids. During the spraying process, workers need to work multiple times using different sprayers or multiple workers work at the same time. The whole process is time-consuming, labor-intensive and inefficient. Utility Model Content

[0005] The purpose of this utility model embodiment is to provide a backpack-type ultra-low capacity battery sprayer, which aims to solve the problem that when most sprayers are used, multiple workers are required to spray different liquids in the same spraying area, or two different sprayers are required to hold different liquids. During the spraying process, workers need to work multiple times using different sprayers or multiple workers work at the same time, which is time-consuming, labor-intensive and inefficient.

[0006] This utility model embodiment is implemented as follows: a backpack-type ultra-low capacity battery sprayer, the backpack-type ultra-low capacity battery sprayer comprising:

[0007] A mounting base for installing a liquid storage tank and a power assembly, the mounting base being equipped with a shoulder strap;

[0008] The liquid storage tank is provided in two parts, and the two liquid storage tanks are used to store different liquids;

[0009] A power assembly is connected to two liquid storage tanks respectively. The power assembly is equipped with a detachable power component and is used to transport the liquid in the liquid storage tanks to the spray assembly.

[0010] The spraying assembly includes a connecting pipe and a spray gun. The connecting pipe is used to connect the power unit and the spray gun. The spray gun is equipped with a speed adjustment switch, a switching switch and a spray switch. The speed adjustment switch is used to adjust the spray level, the switching switch is used to switch between spraying different liquids, and the spray switch is used to control the opening or closing of the liquid spray.

[0011] Preferably, the two liquid storage tanks are arranged side by side, the liquid storage tanks are installed on the front of the machine base, the liquid storage tanks are located above the power assembly, the two liquid storage tanks are respectively connected to the power assembly, the inner wall of the liquid storage tank is provided with a liquid outlet, the liquid outlet is connected to a liquid pipe, the liquid pipe is installed in a connecting pipe and connected to a spray gun, and a tank cover is provided at the opening of the liquid storage tank, the tank cover is connected to the liquid storage tank by a connecting strap.

[0012] Preferably, the power assembly is mounted on the top of the protective housing. The power assembly includes the protective housing and a drive component. The protective housing is used to protect the drive component and the power assembly. The protective housing is mounted on the base and located in front of the liquid storage tank. The top of the protective housing is provided with a mounting groove for mounting the power assembly. The mounting groove is provided with a protective cover that is rotatably connected to the protective housing. The protective cover is used to protect the power assembly. The side of the protective housing is provided with mounting holes for mounting connecting pipes.

[0013] Preferably, the drive component is mounted on the base and electrically connected to the power component. The drive component is connected to the liquid storage tank via an air pipe. One end of the air pipe is provided with two first interfaces, which are respectively connected to two liquid storage tanks. The other end of the air pipe is provided with a second interface. The air pipe is installed on the inner wall of the connecting pipe and the second interface is connected to the spray gun of the spray assembly.

[0014] Preferably, the power component is installed in the mounting groove of the protective shell, the power component is used to provide power to the driving component injection assembly, and the top of the power component is provided with a power switch, a power display and a handle.

[0015] Preferably, the connecting pipe is a hollow tube, with one end mounted on the power assembly and the other end inserted into the spray gun. The connecting pipe is used to install air pipes and liquid pipes.

[0016] Preferably, the spray gun includes a spray barrel and a nozzle. One end of the spray barrel is connected to a connecting pipe, and the other end is used to install the nozzle. The outer wall of the spray barrel is used for a switching switch, a gear adjustment switch, and a spray switch. A handle is provided on the outer wall of the spray barrel. The gear adjustment switch and the spray switch are installed on the inner side of the handle. The switching switch is installed on the outer wall of the spray barrel and connected to a liquid pipe installed in the connecting pipe to facilitate switching the spraying of liquids from different storage tanks. A self-locking button is provided on the side of the handle.

[0017] Preferably, the base is in the shape of a bent plate, the bottom of the base is provided with several ventilation holes and several support blocks, the front of the base is used to install a liquid storage tank and a power component, the side of the base is provided with a mounting plate for installing a spray gun, the back of the base is used to install a back strap, and the base is also provided with a waist pad so that the base fits snugly against the back of the worker.

[0018] This utility model provides a backpack-type ultra-low capacity battery sprayer. The utility model includes a base for mounting a liquid storage tank and a power unit. A shoulder strap allows the user to easily use the backpack-type ultra-low capacity battery sprayer. It features two liquid storage tanks for storing different liquids, connected to the power unit to facilitate the transfer of liquid from the tanks to the spray gun. The spray gun then sprays the liquid out. The spray gun includes a switch for switching between different liquids, a leveling switch for adjusting the liquid spray level, and a spray switch to control the spray gun's operation. This allows the user to control the different liquids stored in the tanks, adjust the spray level using the switching switch, and utilize the leveling switch to adjust the spray intensity. The entire operation is time-saving, labor-saving, and highly efficient. Attached Figure Description

[0019] Figure 1 A three-dimensional structural diagram of a backpack-type ultra-low capacity battery sprayer provided for an embodiment of this utility model;

[0020] Figure 2 A schematic diagram of the structure of a backpack-type ultra-low capacity battery sprayer after the protective cover is opened, provided for an embodiment of this utility model;

[0021] Figure 3 A cross-sectional view of the liquid storage tank in a backpack-type ultra-low capacity battery sprayer provided for an embodiment of this utility model;

[0022] Figure 4 A schematic diagram of the bottom structure of a backpack-type ultra-low capacity battery sprayer provided for an embodiment of this utility model;

[0023] Figure 5A schematic diagram of the drive component in a backpack-type ultra-low capacity battery sprayer provided in this embodiment of the utility model;

[0024] Figure 6 This is a schematic diagram of the back structure of a backpack-type ultra-low capacity battery sprayer provided for an embodiment of this utility model.

[0025] In the attached diagram: 1. Base; 11. Shoulder strap; 12. Support block; 13. Vent hole; 14. Waist pad; 2. Liquid storage tank; 21. Tank cover; 22. Liquid outlet; 23. Liquid pipe; 3. Power assembly; 31. Protective shell; 32. Power component; 33. Protective cover; 34. Air pipe; 35. Drive component; 4. Spray assembly; 41. Connecting pipe; 42. Spray gun; 421. Switch; 422. Gear adjustment switch; 423. Spray switch; 424. Self-locking button; 5. Support rod. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0027] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0028] like Figure 1 The diagram shown is a structural diagram of a backpack-type ultra-low capacity battery sprayer provided in an embodiment of the present utility model, including: a base 1, the base 1 being used for mounting a liquid storage tank 2 and a power assembly 3, and the base 1 being provided with a shoulder strap 11;

[0029] Liquid storage tank 2, two liquid storage tanks 2 are provided, and the two liquid storage tanks 2 are used to store different liquids;

[0030] The power assembly 3 is connected to two liquid storage tanks 2 respectively. The power assembly 3 is equipped with a detachable power component 32. The power assembly 3 is used to transport the liquid in the liquid storage tanks 2 to the spray assembly 4.

[0031] The spraying assembly 4 includes a connecting pipe 41 and a spray gun 42. The connecting pipe 41 is used to connect the power assembly 3 and the spray gun 42. The spray gun 42 is equipped with a speed adjustment switch 422, a switching switch 421 and a spray switch 423. The speed adjustment switch 422 is used to adjust the spray level, the switching switch 421 is used to switch between spraying different liquids, and the spray switch 423 is used to control the opening or closing of the liquid spray.

[0032] In this embodiment of the present invention, preferably, the backpack-type ultra-low capacity battery sprayer mainly includes a base 1, a liquid storage tank 2, a power component 3, and a spraying component 4. The liquid storage tank 2, the power component 3, and the spraying component 4 are mounted on the base 1. The liquid storage tank 2 is mounted on the front of the base 1, and the power component 3 is located in front of the liquid storage tank 2. The spraying component 4 is connected to the power component 3 and located on one side of the liquid storage tank 2 and the power component 3. The power component 32 is located above the liquid storage tank 2 and is detachably connected so that the user can replace the power component 32 as needed. There can be two liquid storage tanks 2 for storing liquid, or multiple tanks can be provided according to usage requirements to store various types of liquids for user operation. The ultra-low capacity in the name is mainly related to the selection of the power component. Ultra-low capacity means that the mist particle diameter reaches 10-30 micrometers. The power component 3 squeezes the liquid in the liquid storage tank 2 and delivers it to the spraying component 4 so that the spraying gun of the liquid spraying component 4 can spray the liquid. The spray gun 42 sprays out liquid, and the switching switch 421, gear shift switch 422, and spray switch 423 on the spray gun 42 control the form and type of liquid sprayed from the spray gun 42. The power unit 3 can use a liquid pump or an air pump to squeeze the liquid in the storage tank 2 and spray it out from the spray gun 42. When the user carries the backpack-type ultra-low capacity battery sprayer on his back using the shoulder strap 11, he can hold the spray gun 42 by hand and use the switching switch 421 on the spray gun 42 to control the type of liquid sprayed, and use the gear shift switch 422 to control the speed, pressure, droplet size, and distribution of the liquid sprayed. After the user adjusts, the spray switch 423 controls the opening or closing of the spray gun 42 to facilitate the user's liquid spraying operation. During the entire operation, there is no need to stop the operation to change the sprayer or change the liquid in the sprayer due to different sprayed liquids, saving time and eliminating the need for multiple people to work at the same time, saving labor costs. The user can switch between different liquids independently, which is time-saving, labor-saving, and highly efficient.

[0033] In one embodiment of this utility model, a base 1 is provided for mounting the liquid storage tank 2 and the power assembly 3. A backpack-type ultra-low capacity battery sprayer is provided on the back of the base 1 for easy user use via a shoulder strap 11. Two liquid storage tanks 2 are provided for storing different liquids. The two liquid storage tanks 2 are connected to the power assembly 3 so that the liquid in the liquid storage tanks 2 can be transported to the spray gun 42 of the spray assembly 4 via the power assembly 3, thereby spraying the liquid out through the spray gun 42. A switching switch 421 for switching between different liquids is provided in the spray gun 42. A leveling switch 422 can be used to adjust the liquid spray level. A spray switch 423 controls the spraying on / off of the spray gun 42. During use, different liquid storage tanks 2 store different liquids, and the switching switch 421 can be used to adjust the different liquids sprayed from the spray gun 42. The different spray volumes after switching allow the user to use it in different scenarios. The leveling switch 422 adjusts the liquid spray level, making the entire operation time-saving, labor-saving, and highly efficient.

[0034] like Figure 1-6 As shown in the preferred embodiment of this utility model, two liquid storage tanks 2 are arranged side by side. The liquid storage tanks 2 are installed on the front of the base 1 and are located above the power assembly 3. The two liquid storage tanks 2 are respectively connected to the power assembly 3. The inner wall of the liquid storage tank 2 is provided with a liquid outlet 22, which is connected to a liquid pipe 23. The liquid pipe 23 is installed in a connecting pipe 41 and connected to a spray gun 42. A tank cover 21 is provided at the opening of the liquid storage tank 2, and the tank cover 21 is connected to the liquid storage tank 2 by a connecting strap.

[0035] In this embodiment of the present invention, preferably, the liquid storage tank 2 installed on the base 1 can be installed side by side on the front of the base 1. A liquid outlet 22 is provided on the inner wall of the liquid storage tank 2, and a liquid pipe 23 installed on the connecting pipe 41 is provided outside the liquid outlet 22. The liquid pipe 23 is used to connect the spray gun 42 so that the liquid can be transported from the liquid pipe 23 to the spray gun 42. A connecting strap is used to connect the tank cover 21 to the liquid storage tank 2 so that the tank cover 21 covers the opening of the liquid storage tank 2, making the inside of the liquid storage tank 2 a sealed space. The liquid storage tank 2 can also be an integral structure with the base 1. Two independent cavities are provided on the front of the base 1 to facilitate the storage of different liquids. The bottom of the liquid storage space is connected to the power component 3 and the liquid pipe 23 so as to facilitate the transportation of the internal liquid to the spray gun 42.

[0036] like Figure 1-6As shown, in a preferred embodiment of the present invention, the power assembly 3 is installed on the top of the protective shell 31. The power assembly 3 includes the protective shell 31 and the drive component 35. The protective shell 31 is used to protect the drive component 35 and the power component 32. The protective shell 31 is installed on the base 1 and located on the front of the liquid storage tank 2. The top of the protective shell 31 is provided with a mounting groove for installing the power component 32. The mounting groove is provided with a protective cover 33 that is rotatably connected to the protective shell 31. The protective cover 33 is used to protect the power component 32. The side of the protective shell 31 is provided with a mounting hole for installing the connecting pipe 41.

[0037] In this embodiment of the present invention, preferably, the power assembly 3 mainly includes a protective shell 31, a power component 32, and a drive component 35. The protective shell 31 protects the power component 32 and the drive component 35. The bottom of the protective shell 31 is mounted on the base 1. The protective shell 31 is located on the front of the liquid storage tank 2 and has a mounting groove for mounting the power component 32 on its top. One end of the protective cover 33 is rotatably connected to the mounting groove, and the other end is detachably connected to the mounting groove to facilitate the installation of the power component 32 in the mounting groove. The power component 32 can be replaced by opening or closing the protective cover 33. The power component 32 provides electrical power for the operation of the drive component 35 and the spray assembly 4. The power component 32 can be a battery so that the backpack-type battery ultra-low capacity sprayer can be used outdoors without having to be connected to a power cord at all times.

[0038] like Figure 1-6 As shown, in a preferred embodiment of the present invention, the drive component 35 is mounted on the base 1, the drive component 35 is electrically connected to the power component 32, the drive component 35 is connected to the liquid storage tank 2 through the air pipe 34, one end of the air pipe 34 is provided with two first interfaces, the two first interfaces are respectively connected to the two liquid storage tanks 2, the other end of the air pipe 34 is provided with a second interface, the air pipe 34 is mounted on the inner wall of the connecting pipe 41 and the second interface is connected to the spray gun 42 of the spray assembly 4.

[0039] In this embodiment of the utility model, preferably, the drive component 35 is mounted on the base 1 and located in front of the liquid storage tank 2. The drive component 35 is electrically connected to the power component 32 so that the power component 32 provides power to the drive component 35. The drive component 35 can be an air pump with a fan so that air is pressed into the upper part of the liquid storage tank 2 through the air pipe 34, so that the air pressurizes the liquid surface in the liquid storage tank 2, so that the liquid in the liquid storage tank 2 flows out of the liquid pipe 23 through the liquid outlet 22 and is delivered to the spray gun 42. The two first interfaces of the air pipe 34 are respectively connected to the two liquid storage tanks 2, and the second interface is connected to the spray gun 42 of the spray assembly 4. Alternatively, the other end interface can be set to be connected to the drive component 35 so that the pressurized air can be delivered to the liquid storage tank 2 and the spray gun 42 through the air pipe 34 by the drive component 35. Alternatively, multiple air pipes 34 can be set and connected between the drive component 35 and the liquid storage tank 2 and the spray gun 42 respectively.

[0040] like Figure 1-6 As shown, in a preferred embodiment of the present invention, the power component 32 is installed in the mounting groove of the protective shell 31. The power component 32 is used to provide power to the spray assembly 4 of the drive component 35. The top of the power component 32 is provided with a power switch, a power display component and a handle.

[0041] In this embodiment of the present invention, preferably, the power component 32 can be a battery and placed in the mounting slot. The bottom of the power component 32 can be electrically connected to the drive component 35 located below the power component 32. A power switch for controlling the power to be turned on or off is provided on the outer shell of the power component 32, and a power display is provided to allow the user to check the power usage. A handle is provided to facilitate the user to take out and replace the power component 32 when the power is low. A charging port can also be provided to charge the power component 32.

[0042] like Figure 1-6 As shown, in a preferred embodiment of the present invention, the connecting pipe 41 is a hollow tube, one end of the connecting pipe 41 is mounted on the power assembly 3 and the other end is inserted into the spray gun 42, and the connecting pipe 41 is used to install the air pipe 34 and the liquid pipe 23.

[0043] In this embodiment of the present invention, preferably, the connecting pipe 41 connected to the protective shell 31 of the power component 3 is mainly used to install the liquid pipe 23 and the air pipe 34, so that the liquid pipe 23 and the air pipe 34 are connected to the spray gun 42 so that the liquid is sprayed out from the spray gun 42. The connecting pipe 41 can be a hollow rubber pipe with a certain degree of extensibility.

[0044] like Figure 1-6As shown, in a preferred embodiment of the present invention, the spray gun 42 includes a spray barrel and a nozzle. One end of the spray barrel is connected to the connecting pipe 41, and the other end is used to install the nozzle. The outer wall of the spray barrel is used for a switching switch 421, a gear adjustment switch 422, and a spray switch 423. A handle is provided on the outer wall of the spray barrel. The gear adjustment switch 422 and the spray switch 423 are installed on the inner side of the handle. The switching switch 421 is installed on the outer wall of the spray barrel and connected to the liquid pipe 23 installed in the connecting pipe 41 to switch the liquid sprayed from different liquid storage tanks 2. A self-locking button 424 is provided on the side of the handle.

[0045] In this embodiment of the invention, preferably, a spray nozzle is inserted into one end of the connecting pipe 41. The spray nozzle is connected to the liquid pipe 23 of different liquid storage tanks 2 and to the air pipe 34. The switching switch 421 can switch between different liquid pipes 23 to spray liquid. The liquid sprayed from the liquid pipe 23 and the airflow sprayed from the air pipe 34 break the liquid into mist particles and spray them out from the nozzle. The drive unit 35 with a fan uses the air pipe 34 to combine the high-speed airflow with the liquid at a certain flow rate in the liquid pipe 23 at the point where they meet in the spray nozzle. The airflow is used to spin-cut the liquid into mist particles of extremely small diameter and spray them out from the nozzle. The switching switch 421 can change the different liquids that are spin-cut into mist particles of different diameters before being sprayed out to meet the operational requirements. The switching switch 421 can also adjust the speed of the fan in the drive unit 35 in the power assembly. The higher the fan speed, the smaller the mist droplet size produced. When the mist particles reach between 10 and 30 micrometers, it is considered ultra-low volume. The standard for selecting the fan speed in the middle needs to be higher than 10,000 rpm. The adjustment switch 422 can be a switch to adjust the liquid flow rate or airflow speed. The spray switch 423 is used to open the nozzle so that the mist particles are sprayed out from the nozzle. A self-locking button 424 is also provided so that the user does not need to keep pressing the spray switch 423 to operate easily. Pressing the spray switch 423 sprays out the mist particles, and releasing the spray switch 423 stops the spraying. If the nozzle needs to spray mist particles continuously, the self-locking button 424 can be pressed to lock the spray switch 423 and keep spraying mist particles. When the nozzle does not need to spray mist particles, the self-locking button 424 is released to reset the spray switch 423 and turn off the spray switch 423. The adjustment switch 422 can be a push-button switch, which can be divided into high and low settings. The switching switch 421 can be a knob switch. Rotating the switch to the set position can switch to different liquid spraying from the liquid storage tank 2.

[0046] like Figure 1-6 As shown in the preferred embodiment of this utility model, the base 1 is in the shape of a bent plate. The bottom of the base 1 is provided with a plurality of ventilation holes 13 and a plurality of support blocks 12. The front of the base 1 is used to install the liquid storage tank 2 and the power assembly 3. The side of the base 1 is provided with a mounting plate for installing the spray gun 42. The back of the base 1 is used to install the back strap 11. The base 1 is also provided with a waist pad 14 so that the base 1 fits against the back of the worker.

[0047] In this embodiment of the utility model, preferably, the base 1 can be a bent plate-shaped structure with a base. The front of the base 1 is used to install the liquid storage tank 2 or is an integral structure with the liquid storage tank 2. The protective shell 31, drive component 35 and power component 3 of the power component 3 are installed on the front of the liquid storage tank 2. A mounting plate perpendicular to the side is provided on the side of the base 1 so that the spray gun 42 of the spray component 4 can be installed on the side of the base 1 for easy access by the user. The back of the base 1 is provided with a shoulder strap 11 and a waist pad 14 so that it fits against the back of the worker and is easy for the worker to carry and use.

[0048] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A backpacked battery ultra-low volume sprayer characterized by, The knapsack battery ultra-low capacity sprayer comprises: a machine base for mounting the liquid storage tanks and the power assembly, the machine base being provided with a carrying strap; two liquid storage tanks for storing different liquids; a power assembly connected with the two liquid storage tanks respectively, the power assembly being provided with detachable power components, the power assembly being used for delivering the liquid in the liquid storage tanks to the spraying assembly; a spraying assembly comprising a connecting pipe and a spray gun, the connecting pipe being used for connecting the power assembly with the spray gun, the spray gun being provided with a gear adjusting switch, a switching switch and a spraying switch, the gear adjusting switch being used for adjusting the spraying gear, the switching switch being used for switching the spraying of different liquids, and the spraying switch being used for controlling the opening or closing of the liquid spraying.

2. The backpacked battery ultra-low volume sprayer of claim 1, wherein, The two liquid storage tanks are arranged side by side, the liquid storage tanks being mounted on the front of the machine base and being located above the power assembly, the two liquid storage tanks being connected with the power assembly respectively, the inner wall surface of the liquid storage tank being provided with a liquid outlet, the liquid outlet being connected with a liquid pipe, the liquid pipe being mounted in the connecting pipe and being connected with the spray gun, the tank opening of the liquid storage tank being provided with a tank cover, the tank cover being connected with the liquid storage tank through a connecting belt.

3. The backpacked battery ultra-low volume sprayer of claim 2, wherein, The power assembly is mounted on the top of the protective shell, the power assembly comprising a protective shell and a driving component, the protective shell being used for protecting the driving component and the power component, the protective shell being mounted on the machine base and being located on the front of the liquid storage tank, the top of the protective shell being provided with a mounting groove for mounting the power component, the mounting groove being provided with a protective cover which is rotationally connected with the protective shell, the protective cover being used for protecting the power component, the side surface of the protective shell being provided with a mounting hole for mounting the connecting pipe.

4. The backpacked battery ultra-low volume sprayer of claim 3, wherein, The driving component is mounted on the machine base, the driving component being electrically connected with the power component, the driving component being connected with the liquid storage tank through an air pipe, one end of the air pipe being provided with two first interfaces which are connected with the two liquid storage tanks respectively, the other end of the air pipe being provided with a second interface, the air pipe being mounted on the inner wall surface of the connecting pipe and the second interface being connected with the spray gun of the spraying assembly.

5. The backpacked battery ultra-low volume sprayer of claim 3, wherein, The power component is mounted in the mounting groove of the protective shell, the power component being used for providing power for the driving component and the spraying assembly, the top of the power component being provided with a power switch, an electric quantity display component and a handle.

6. The backpacked battery ultra-low volume sprayer of claim 4, wherein, The connecting pipe is a hollow tubular pipe, one end of the connecting pipe being mounted on the power assembly and the other end of the connecting pipe being inserted into the spray gun, the connecting pipe being used for mounting the air pipe and the liquid pipe.

7. The backpacked battery ultra-low volume sprayer of claim 1, wherein, The spray gun comprises a spray barrel and a spray head, one end of the spray barrel being connected with the connecting pipe and the other end of the spray barrel being used for mounting the spray head, the outer wall surface of the spray barrel being used for the switching switch, the gear adjusting switch and the spraying switch, the outer wall surface of the spray barrel being provided with a handle, the gear adjusting switch and the spraying switch being mounted on the inner side surface of the handle, the switching switch being mounted on the outer wall surface of the spray barrel and being connected with the liquid pipe mounted in the connecting pipe so as to switch the spraying of the liquid in different liquid storage tanks, and the side surface of the handle being provided with a self-locking button.

8. The backpacked battery ultra-low volume sprayer of claim 1, wherein, The machine base is a bent plate, the bottom of the machine base is provided with a plurality of air holes and a plurality of supporting blocks, the front of the machine base is used for mounting a liquid storage tank and a power assembly, the side of the machine base is provided with a mounting plate used for mounting a spray gun, the back of the machine base is used for mounting a back strap, and the machine base is further provided with a waist pad to make the machine base fit the back of a worker.

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