WO2025113272A1 - Split sprayer - Google Patents

Abstract

A split sprayer, wherein a pump (4) is mounted on a water tank (2), a water inlet (42) of the pump (4) is connected to the water tank (2), a water outlet (43) of the pump (4) is connected to a spraying assembly, and the pump (4), the water tank (2) and the spraying assembly together form a replaceable module; and an electric motor (3) is selectively combined with the replaceable module, the electric motor (3) is detachably connected to the pump (4), and when the water tank (2) and a base (1) are combined together, the electric motor (3) is electrically connected to a power source, and the electric motor (3) drives the pump (4) to pump liquid from the water tank (2) and spray same by means of the spraying assembly. Alternatively, the pump (4) and a water path system are combined into a detachable module, the detachable module is detachably mounted on the base (1), the electric motor (3) is selectively combined with the detachable module, and the electric motor (3) is detachably connected to the pump (4).

Description

A split type sprayer Technical Field

The present invention relates to the technical field of sprayers.

Background Art

A liquid sprayer is a device used to spray liquids. It has a wide range of uses and is commonly used in gardening and plant protection. It can spray water, fertilizer solutions, pesticides, herbicides, etc. Some sprayers include multiple interchangeable tanks containing different liquids. Usually, the pump and other internal parts of the sprayer need to be cleaned or flushed between uses to avoid cross contamination.

Summary of the invention

The object to be achieved by the present invention is to provide a split-type sprayer to solve the problem of cross-contamination of solutions when using water tanks containing different liquids.

In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a split sprayer, comprising a base with a power supply, a water tank detachably connected to the base, a motor, a pump body, and a spray assembly, the pump body is installed on the water tank, the water inlet of the pump body is connected to the water tank, the water outlet of the pump body is connected to the spray assembly, and the pump body, water tank and spray assembly together constitute a replaceable module; the motor is selectively combined with the replaceable module, the motor is detachably connected to the pump body, when the water tank and the base are combined together, the motor is electrically connected to the power supply, and the motor drives the pump body to pump liquid from the water tank and spray it through the spray assembly.

After adopting the above technical solution, the present invention has the following advantages: when the motor is combined with the replaceable module, the motor and the pump body, the water tank and the injection assembly are combined as a whole and installed on the water tank, the motor is electrically connected to the power supply to drive the pump body to pump liquid from the water tank and inject it through the injection assembly, each water tank is provided with a separate pump body and injection assembly, when using different liquids, the replaceable module can be quickly replaced, and multiple water tanks can be shared One motor can avoid cross contamination of the solution, and there is no need to equip each water tank with a separate motor, which greatly reduces the cost. At the same time, the pump body and the motor are installed as a whole after being combined, and the coaxiality between the pump body and the motor is relatively high. Compared with the prior art in which the motor and the pump body are installed separately on the base and the water tank, the separate installation will cause the coaxiality between the pump body and the motor to deviate and decrease. Therefore, the pumping efficiency of the motor combined with the replaceable module is higher. In addition, the installation position of the motor is more flexible, the heat dissipation efficiency of the motor is higher, and the driving energy of the motor can be more effectively transferred to the pump body, thereby improving the pumping efficiency.

Furthermore, a receiving groove for placing the motor and the pump body is provided on the outside of the water tank. With the above technical solution, after the motor and the replaceable module are combined, the motor and the pump body are installed in the receiving groove on the outside of the water tank, which simplifies the assembly and disassembly process, facilitates the user to quickly change the water tank to use different liquids, can share a motor to save costs, and realize different waterways to spray different liquids. The receiving groove fixes the motor and the pump body to ensure stable operation during use, which is conducive to continuous spraying of liquids, and is also convenient for quick disassembly and replacement of the motor, and the installation of the motor is more flexible.

Furthermore, the motor has a motor shaft, and the pump body has a pump shaft. A quick coupling structure for realizing coaxial connection is provided between the motor shaft and the pump shaft, which can realize quick connection and coaxial transmission, ensure high coaxiality between the pump body and the motor, and effectively reduce the occurrence of faults. The motor can transmit the power required for the operation of the pump body to the pump body through the quick coupling structure.

Furthermore, a quick connector is provided between the motor and the power supply. By adopting the above technical solution, the motor can be quickly connected to the power supply by using the quick connector, which is easy to operate and convenient for quickly replacing the water tank with other liquids.

Furthermore, a quick connection structure is provided between the motor and the pump body. By adopting the above technical solution, the motor and the pump body can be quickly connected together through the quick connection structure, thereby greatly shortening the assembly time and facilitating improving the spraying efficiency.

Furthermore, the base is provided with a limiting convex edge that cooperates with the bottom edge of the water tank. The bottom edge of the water tank cooperates with the limiting convex edge of the base to limit the water tank on the base, ensuring the stability of the water tank and preventing the water tank from shifting and shaking and affecting the liquid spraying. The limiting convex edge also provides a guide for the installation of the water tank, which is convenient for quick installation.

Alternatively, the base is provided with a second buckle for fixing the water tank. The above technical solution is adopted to further ensure the stability of the water tank and fix the water tank firmly and stably on the base.

Furthermore, a roller is provided at the bottom of the base, a front bracket extending upward is provided at the front side of the base, and a handle groove is provided at the upper part of the front bracket. With the above technical solution, when the volume of the water tank is large, the liquid sprayer is heavier as a whole, and the bottom of the base is provided with a roller, so that the user can easily and labor-savingly push and pull the base to adjust the position of the liquid sprayer, which is convenient for movement and improves the user experience. The handle groove facilitates the user to hold and push the liquid sprayer, making the operation more convenient, comfortable and labor-saving.

Furthermore, a shoulder strap is provided on the front bracket. The above technical solution is adopted to facilitate the user to carry and wear the sprayer during operation, and the user can operate the spray assembly with both hands to apply the liquid to the target area.

Furthermore, the front bracket is provided with a limiting groove, and the water tank is provided with a limiting protrusion that cooperates with the limiting groove. With the above technical solution, the water tank is provided with a limiting protrusion that cooperates with the limiting groove. The limiting groove cooperates with the limiting protrusion to further ensure that the water tank is stably installed on the base and does not shake or deviate.

The present invention also provides a split sprayer, comprising a base with a power supply and a motor, a water tank detachably connected to the base, a pump body, and a water system, wherein the water system comprises a water suction component and an injection component, the water inlet of the pump body is connected to the water tank through the water suction component, and the water outlet of the pump body is connected to the injection component, the pump body and the water system are combined into a detachable module, the detachable module is detachably installed on the base, the motor is selectively combined with the detachable module, and the motor is detachably connected to the pump body, and when the water tank and the base are combined together, the motor drives the pump body to pump liquid from the water tank and spray it through the injection component.

When the motor is combined with the detachable module, the motor is set in the base, and the motor, pump body and water system are installed in combination on the base. When changing the water tank with different liquids, the pump body and water system are replaced accordingly to avoid cross contamination of liquids, and to achieve sharing of one motor and spraying different liquids with different water channels. When using water tanks with different liquids, motors of different powers can also be used to meet different usage requirements, which is more flexible and convenient.

Furthermore, the base is provided with an installation cavity for installing the motor and the pump body. By adopting the above technical solution, by providing the installation cavity in the base, the internal space can be better utilized, so that the motor and the pump body can be compactly placed together. The motor and the pump body can be easily disassembled and replaced, and the installation cavity helps to protect the motor, can provide a stable support for the motor and the pump body, helps to reduce the vibration and noise generated during use, provides a better user experience, and can also promote the heat dissipation of the motor, improve the stability and service life of the motor, and improve the pumping efficiency.

Furthermore, the water tank is provided with a one-way valve, the one-way valve is provided with a valve port, a push rod for opening and closing the valve port, and a spring for elastically pressing the push rod to close the valve port, and the base is provided with a protrusion for lifting the push rod to open the valve port. With the above technical solution, when the water tank and the base are combined together, the protrusion lifts the push rod, the spring is compressed, the valve port is opened, and the liquid in the water tank can flow to the pump body through the one-way valve for spraying; when the water tank leaves the base, the protrusion leaves the push rod, the spring stretches to reset the push rod, and the valve port is closed, that is, the valve port is automatically closed after the water tank leaves the base, ensuring that the liquid does not overflow from the water tank. The water tank may be provided with a discharge port to dispose of the remaining liquid after use.

Furthermore, the motor has a motor shaft, and the pump body has a pump shaft, and a quick coupling structure for realizing coaxial connection is provided between the motor shaft and the pump shaft.

Furthermore, a quick connector is provided between the motor and the power supply.

Furthermore, a quick connection structure is provided between the motor and the pump body.

Furthermore, the base is provided with a limiting convex edge that cooperates with the bottom edge of the water tank; or A second buckle for fixing the water tank is provided on the base.

Furthermore, a roller is provided at the bottom of the base, a front bracket extending upward is provided at the front side of the base, a handle groove is provided at the upper part of the front bracket, or a shoulder strap is provided on the front bracket.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings:

FIG1 is a schematic structural diagram of a liquid sprayer according to the present invention;

Figure 2 is a schematic diagram of the structure of a water tank;

FIG3 is a schematic structural diagram of a base;

FIG4 is a schematic diagram of a mandrel;

FIG. 5 is a schematic diagram of the motor and the pump body after being matched.

DETAILED DESCRIPTION

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

The terms "first", "second", etc. (if any) in the specification and claims of the present invention are used to distinguish similar objects, rather than to describe a specific order or sequence. Even if "second" is used to distinguish a certain technical feature, it does not necessarily mean that there is a "first". It should be understood that in the present invention, "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. It should be understood that in the present invention, "plurality" refers to two or more. "And/or" is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, X and/or Y can represent: X exists alone, X and Y exist at the same time, and Y exists alone. The character "/" generally indicates that the related objects before and after are in an "or" relationship. "Contains X, Y and Z", "Contains X, Y, Z" means that X, Y, and Z are all included, "Contains X, Y or Z" means that one of X, Y, and Z is included, and "Contains "Containing X, Y and/or Z" means containing any one, any two or any three of X, Y and Z.

The technical solution of the present invention is described in detail with specific embodiments below. The following specific embodiments can be combined or replaced with each other according to actual conditions, and the same or similar concepts or processes may not be described in detail in some embodiments.

Embodiment 1:

As shown in Figures 1 to 5, the present invention provides a split-type sprayer, including a base 1 with a power supply, a water tank 2 detachably connected to the base 1, a motor 3, a pump body 4, and a spray assembly. The power supply used in this embodiment is a battery, such as a lithium battery, which can be connected to an external 220V external power supply for charging. The pump body 4 is installed on the water tank 2, the water inlet 42 of the pump body 4 is connected to the water tank 2, and the water outlet 43 of the pump body 4 is connected to the spray assembly. The pump body 4, the water tank 2 and the spray assembly together form a replaceable module; the motor 3 is selectively combined with the replaceable module, and the motor 3 is detachably connected to the pump body 4. When the water tank 2 and the base 1 are combined together, the motor 3 is electrically connected to the power supply, and the motor 3 drives the pump body 4 to pump liquid from the water tank 2 and spray it through the spray assembly.

As shown in Figures 1 and 2, in this embodiment, when the motor 3 is combined with the replaceable module, the motor 3, the pump body 4, the water tank 2 and the injection assembly are combined as a whole and installed on the water tank 2. The motor 3 is electrically connected to the power supply to drive the pump body 4 to pump liquid from the water tank 2 and inject it through the injection assembly. Each water tank 2 is provided with a separate pump body 4 and an injection assembly. When using different liquids, the replaceable module can be quickly replaced. Multiple water tanks 2 can share one motor 3, which can avoid cross-contamination caused by the solution. There is no need to equip each water tank 2 with a separate motor 3, which greatly reduces the cost. At the same time, the pump body 4 and the motor 3 are installed as a whole after being combined, and the coaxiality between the pump body 4 and the motor 3 is relatively high. Compared with the prior art in which the motor 3 and the pump body 4 are installed separately on the base 1 and the water tank 2, the separate installation will cause the coaxiality between the pump body 4 and the motor 3 to deviate and decrease. Therefore, the pumping efficiency of the combination of the motor 3 and the replaceable module is relatively high. In addition, the installation position of the motor 3 is more flexible, the heat dissipation efficiency of the motor 3 is higher, and the motor 3 can be more effectively realized. The driving energy is transmitted to the pump body 4, thereby improving the pumping efficiency.

The water tank 2 is mechanically but not fluidically connected to the base 1, and the water tank 2 can be quickly interchanged. The pump can be a double diaphragm pump, a piston pump or a plunger pump.

As shown in FIG2 , in one embodiment, a receiving groove 21 for placing the motor 3 and the pump body 4 is provided on the outside of the water tank 2. After the motor 3 and the replaceable module are combined, the motor 3 and the pump body 4 are installed in the receiving groove 21 on the outside of the water tank 2, which simplifies the assembly and disassembly process, facilitates the user to quickly replace the water tank 2 with different liquids, can share a motor 3 to save costs, and realize different waterways to spray different liquids. The receiving groove 21 fixes the motor 3 and the pump body 4 to ensure stable operation during use, which is conducive to continuous spraying of liquids, and is also convenient for quick disassembly and replacement of the motor 3, and the installation of the motor 3 is more flexible.

Among them, the specific position of the receiving groove 21 is not limited. In this embodiment, it can be preferably set on the front side of the water tank 2, and can be hidden in cooperation with the front bracket 16, which can not only protect the motor 3 and the pump body 4 in the receiving groove 21, but also make the appearance more beautiful.

As shown in Figure 5, in order to connect the motor 3 with the pump body 4 to realize the transmission of the driving energy of the motor 3 to the pump body 4, in one embodiment, the motor 3 has a motor shaft 31, and the pump body 4 has a pump shaft 41. A quick coupling structure for realizing coaxial connection is provided between the motor shaft 31 and the pump shaft 41, which can realize quick connection and coaxial transmission, ensure that the coaxiality between the pump body 4 and the motor 3 is high, and effectively reduce the occurrence of faults. The motor 3 can transmit the power required for the operation of the pump body 4 to the pump body 4 through the quick coupling structure.

Preferably, in one embodiment, the quick coupling structure is a key and a keyway. The key and the keyway cooperate to achieve a stable connection, which can be quickly connected, and the structure is simple and easy to operate. When the motor is started, the torque is transmitted from the motor to the pump, and the motor 3 selectively drives the pump body 4 to pump liquid from the water tank 2 and spray it through the spray assembly. In another embodiment, the quick coupling structure is a coupling. A first coupling is provided on the pump shaft 41, and a second coupling is provided on the motor shaft 31. The first coupling and the second coupling The connectors are connected to each other in cooperation, and the first connector and the second connector can be rotatably connected in at least one rotation direction. In this way, when the pump shaft 41 and the motor shaft 31 are connected, the first connector and the second connector are aligned in the axial direction and engage with each other, and when the motor 3 is started, the torque is transmitted from the motor 3 to the pump body 4. The coupling has a simple structure and low cost, and the detachable connection is easy to replace. The coupling has various models and can be adapted to different types of pump bodies 4 and motors 3 to meet different usage requirements. It can be understood that other connection methods can also be used for quick coupling, and it is not limited to this.

In order to quickly connect the power supply, in one embodiment, a quick connector is provided between the motor 3 and the power supply. By using the quick connector, the motor 3 can be quickly connected to the power supply, the operation is simple, and the water tank 2 of other liquids can be quickly replaced.

In order to quickly connect the motor 3 and the pump body 4 into one body and ensure the stability of the integrated installation, in one embodiment, a quick connection structure is provided between the motor 3 and the pump body 4. Through the quick connection structure, the motor 3 and the pump body 4 can be quickly connected together, thereby greatly shortening the assembly time and facilitating improving the spraying efficiency.

In one embodiment, the quick connection structure can use a first clip to fix the motor 3 and the pump body 4 as a whole. The first clip connection has low cost and simple operation, and no other auxiliary installation tools are required. The motor 3 and the pump body 4 can be easily fixed and disassembled through the first clip, and the first clip installation has a guiding and positioning function to further improve the installation efficiency. The first clip also has a self-locking function to prevent the vibration of the motor 3 during operation from causing the connection between the motor 3 and the pump body 4 to loosen, thereby improving the user experience of the liquid sprayer.

In one embodiment, the quick connection structure can use bolts to fix the motor 3 and the pump body 4 as a whole. The bolt connection is more stable and has a stronger tightening effect, ensuring that the motor 3 and the pump body 4 are firmly fixed. It can be understood that other connection methods can also be used for quick connection, and are not limited to this.

In order to ensure the stable installation of the water tank 2, in one embodiment, the base 1 is provided with a limiting convex edge 13 that cooperates with the bottom edge of the water tank 2. The bottom edge of the water tank 2 cooperates with the limiting convex edge 13 of the base 1 to hold the water tank 2 in place. The limit 2 is located on the base 1 to ensure the stability of the water tank 2 and prevent the water tank 2 from shifting and shaking to affect the liquid spraying. The limit convex edge 13 also provides a guide for the installation of the water tank 2, which is convenient for quick installation.

A tank cover 25 is provided on the top of the water tank 2 , and a cover handle 26 protrudes from the tank cover 25 and can be grasped by a user to lift and carry the water tank 2 .

In another embodiment, a second buckle 14 for fixing the water tank 2 is provided on the base 1 to further ensure the stability of the water tank 2 and firmly and stably fix the water tank 2 on the base 1 .

In order to facilitate movement, in one embodiment, a roller 15 is provided at the bottom of the base 1. When the volume of the water tank 2 is large, the liquid sprayer is heavier as a whole. The roller 15 is provided at the bottom of the base 1, and the user can easily and labor-savingly push and pull the base 1 to adjust the position of the liquid sprayer, which is convenient for movement and improves the user experience.

In order to facilitate the push and pull of the liquid sprayer, in one embodiment, the front side of the base 1 is provided with a front bracket 16 extending upward, and the upper part of the front bracket 16 is provided with a handle groove 17. The handle groove 17 facilitates the user to hold and push the liquid sprayer, making the operation more convenient, comfortable and labor-saving.

In one embodiment, a shoulder strap 161 is provided on the front bracket 16 to facilitate the user to carry and wear the sprayer during operation, and the user's hands can manipulate the spray assembly to apply the liquid to the target area. It can be understood that the roller 15 can be provided alone, the shoulder strap 161 can be provided alone, or the roller 15 and the shoulder strap 161 can be provided at the same time.

In one embodiment, a limiting groove 162 is provided on the front bracket 16, and a limiting protrusion 27 is provided on the water tank 2 to cooperate with the limiting groove 162. The limiting groove 162 cooperates with the limiting protrusion 27 to further ensure that the water tank 2 is stably installed on the base 1 and that the water tank 2 does not shake or deviate. It is understandable that these embodiments can also be implemented in combination.

Embodiment 2:

The present invention also provides a split-type sprayer, comprising a base 1 with a power supply and a motor 3, a water tank 2 detachably connected to the base 1, a pump body 4, and a water system, the water system comprising a water absorption component and a spraying component. The water inlet 42 of the pump body 4 is connected to the water tank 2 through the water suction component, the water outlet 43 of the pump body 4 is connected to the injection component, the pump body 4 and the water system are combined into a detachable module, the detachable module can be detachably installed on the base 1, the motor 3 is selectively combined with the detachable module, and the motor 3 is detachably connected to the pump body 4. When the water tank 2 and the base 1 are combined together, the motor 3 drives the pump body 4 to pump liquid from the water tank 2 and inject it through the injection component.

When the motor 3 is combined with the detachable module, the motor 3 is arranged in the base 1, and the motor 3, the pump body 4 and the water system are installed in combination on the base 1. When the water tank 2 with different liquids is replaced, the pump body 4 and the water system are replaced accordingly to avoid cross contamination of liquids, and to realize sharing one motor 3 and spraying different liquids with different water channels. When using water tanks 2 with different liquids, motors 3 with different powers can also be used in combination to meet different usage requirements, which is more flexible and convenient.

In one embodiment, a mounting cavity for mounting the motor 3 and the pump body 4 is provided in the base 1. By providing the mounting cavity in the base 1, the internal space can be better utilized, so that the motor 3 and the pump body 4 can be compactly placed together. The motor 3 and the pump body 4 can be conveniently disassembled and replaced. The mounting cavity helps to protect the motor 3, can provide a stable support for the motor 3 and the pump body 4, helps to reduce the vibration and noise generated during use, provides a better user experience, and can also promote the heat dissipation of the motor 3, improve the stability and service life of the motor 3, and improve the pumping efficiency.

As shown in FIG4 , when the water tank 2 is combined with the base 1, in order to connect the water tank 2 with the base 1, in one embodiment, a one-way valve is provided on the water tank 2, and the one-way valve is provided with a valve port 22, a push rod 23 for opening and closing the valve port 22, and a spring 24 for elastically pressing the push rod to close the valve port 22. The base 1 is provided with a protrusion 12 for lifting the push rod 23 to open the valve port 22. When the water tank 2 is combined with the base 1, the protrusion 12 lifts the push rod, the spring 24 is compressed, the valve port 22 is opened, and the liquid in the water tank 2 can flow to the pump body 4 through the one-way valve for spraying; when the water tank 2 leaves the base 1, the protrusion 12 leaves the push rod 23, the spring 24 stretches to reset the push rod 23, and the valve port 22 is closed, that is, after the water tank 2 leaves the base 1, the valve port 22 automatically closes. Automatically close to ensure that liquid does not overflow the water tank 2. A drain port may be provided on the water tank 2 to dispose of excess liquid after use.

In one embodiment, when the motor 3 and the pump body 4 are installed in the installation cavity in the base 1, a water storage cavity may be provided on the base 1. After the valve port 22 is opened, the liquid in the water tank 2 flows into the water storage cavity, the water inlet 42 of the pump body 4 is connected with the water storage cavity, and the liquid flows to the pump body 4 through the water absorption component, and flows to the injection component through the pump body 4 for injection. When the motor 3 and the pump body 4 are installed in the water tank 2 in combination, there is no need to set up a water storage tank, the water inlet 42 of the pump body 4 is connected with the water tank 2, and the liquid can directly flow into the pump body 4 to the injection component for injection; or, a water storage tank may be reserved on the base 1.

The spray assembly includes a hose and a liquid outlet pipe, one end of the hose is connected to the water outlet 43 of the pump body 4, and the other end is connected to the liquid outlet pipe. A handle is provided at the end of the liquid outlet pipe, and the liquid outflow can be selectively controlled by the handle. A pipe clamp 163 is provided on the side of the front bracket 16, which is used to accommodate the liquid outlet pipe for easy storage and transportation when the liquid sprayer is not in use.

For other contents not described in this embodiment, please refer to Embodiment 1.

In addition to the above-mentioned preferred embodiments, the present invention also has other implementation modes. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope of protection requested by the present invention.

Claims (10)

A split-type sprayer comprises a base with a power supply, a water tank detachably connected to the base, a motor, a pump body, and a spray assembly, characterized in that the pump body is installed on the water tank, the water inlet of the pump body is connected to the water tank, the water outlet of the pump body is connected to the spray assembly, and the pump body, water tank and spray assembly together form a replaceable module; the motor is selectively combined with the replaceable module, the motor is detachably connected to the pump body, when the water tank and the base are combined together, the motor is electrically connected to the power supply, and the motor drives the pump body to pump liquid from the water tank and spray it through the spray assembly. The split-type sprayer according to claim 1 is characterized in that a receiving groove for placing the motor and the pump body is provided on the outside of the water tank. A split-type sprayer according to claim 1, characterized in that the motor has a motor shaft, the pump body has a pump shaft, and a quick coupling structure for realizing coaxial connection is provided between the motor shaft and the pump shaft; and/or a quick connector is provided between the motor and the power supply; and/or a quick connection structure is provided between the motor and the pump body. The split-type sprayer according to claim 1 is characterized in that the base is provided with a limiting convex edge that cooperates with the bottom edge of the water tank; and/or the base is provided with a second buckle that fixes the water tank. A split-type sprayer according to claim 1, characterized in that a roller is provided at the bottom of the base, a front bracket extending upward is provided at the front side of the base, and a handle groove is provided at the upper part of the front bracket. The split-type sprayer according to claim 5 is characterized in that a shoulder strap is provided on the front bracket; and/or a limiting groove is provided on the front bracket, and a limiting protrusion cooperating with the limiting groove is provided on the water tank. A split sprayer comprises a base with a power supply and a motor, a water tank detachably connected to the base, a pump body, and a water system, wherein the water system comprises a water suction component and an injection component, the water inlet of the pump body is connected to the water tank through the water suction component, and the water outlet of the pump body is connected to the injection component, and the pump body and the water system are combined into a detachable module, the detachable module is detachably mounted on the base, the motor is selectively combined with the detachable module, and the motor is detachably connected to the pump body, and when the water tank and the base are combined together, the motor drives the pump body to pump liquid from the water tank and inject it through the injection component. A split-type sprayer according to claim 7, characterized in that a mounting cavity for mounting a motor and a pump body is provided in the base; and/or a one-way valve is provided on the water tank, the one-way valve is provided with a valve port, a push rod for opening and closing the valve port, and a spring for elastically pressing the push rod to close the valve port, and the base is provided with a one-way valve. A protrusion is provided to lift the push rod to open the valve port. A split-type sprayer according to claim 7, characterized in that the motor has a motor shaft, the pump body has a pump shaft, and a quick coupling structure for realizing coaxial connection is provided between the motor shaft and the pump shaft; and/or a quick connector is provided between the motor and the power supply; and/or a quick connection structure is provided between the motor and the pump body. A split-type sprayer according to claim 7, characterized in that the base is provided with a limiting convex edge that cooperates with the bottom edge of the water tank; and/or, the base is provided with a second buckle for fixing the water tank; and/or, the bottom of the base is provided with a roller, the front side of the base is provided with a front bracket extending upward, the upper part of the front bracket is provided with a handle groove, and/or, the front bracket is provided with a shoulder strap.