Floor brush and scrubber

Abstract

This utility model relates to the field of cleaning equipment, providing a floor brush and floor scrubber. The floor brush includes: a floor brush base, with a front roller brush and a rear roller brush respectively located at the front and rear ends of the base; an installation cavity inside the base, housing a water spray assembly; a front water spray plate near the front roller brush and a rear water spray plate near the rear roller brush, both connected to the water spray assembly; and the rear roller brush having two cleaning modes: dry and wet. A floor brush cleaning tank, mounted on the base, has a clean water chamber for holding clean water. The bottom of the cleaning tank has a water outlet, and the top of the base has a water inlet, with the outlet and inlet connected. This utility model solves the shortcomings of existing roller brushes, such as insufficient cleaning capacity, poor adaptability to different scenarios, and complex water tank and piping structures, optimizing the floor brush's structure to suit different cleaning scenarios and improving water circuit structure and performance.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment technology, and in particular to a floor brush and floor scrubber. Background Technology

[0002] Traditional floor scrubbers mostly use a single roller brush integrated with a single set of water pipes. On the one hand, the contact area between the single roller brush and the ground is limited, and stubborn stains can only be cleaned by a single friction, resulting in low cleaning efficiency and easy residue. On the other hand, the water spray volume of the single water pipe is fixed, which may lead to insufficient water volume resulting in incomplete cleaning or excessive water volume causing deformation of the wood flooring, making it less adaptable to different scenarios.

[0003] Some floor scrubbers, while equipped with front and rear dual roller brushes in their brush assembly, have significant design flaws: in daily cleaning mode, only the front roller brush is activated, while the rear roller brush remains idle and does not participate in floor friction cleaning, resulting in the structural advantages of the dual roller brushes not being fully utilized; in self-cleaning mode, the roller brushes are self-cleaned only through alternating front and rear water sprays, and the rear roller brush is never given a daily floor cleaning function, resulting in a waste of structural resources and failing to solve the core problem of insufficient cleaning ability of a single roller brush.

[0004] In addition, the water tank of existing floor scrubbers is mostly integrated into the main body of the machine and connected to the floor brush assembly through a long pipeline, which has the following problems: First, the excessively long pipeline leads to water pressure loss, resulting in insufficient water pressure near the floor brush end, further reducing the cleaning effect; Second, the long pipeline requires multiple adapters for fixation, which not only increases the complexity of machine assembly, but also increases the probability of pipeline leakage and blockage. At the same time, the extended water flow path is prone to water accumulation, which can easily breed bacteria with long-term use, affecting the cleanliness and hygiene. Utility Model Content

[0005] This utility model provides a floor brush and floor scrubber to solve the defects of existing technologies, such as insufficient cleaning ability of single or double roller brushes, poor adaptability to different scenarios, and complex water tank and pipeline structure. It optimizes the composition structure of the floor brush, provides multiple cleaning modes, adapts to different cleaning scenarios, and improves the water circuit structure and performance.

[0006] This utility model provides a floor brush, including: a floor brush base, a front roller brush and a rear roller brush respectively provided at the front and rear ends of the floor brush base, an installation cavity provided inside the floor brush base, a water spraying assembly provided in the installation cavity, a front water spraying plate provided near the front roller brush and a rear water spraying plate provided near the rear roller brush of the floor brush base, both the front water spraying plate and the rear water spraying plate are connected to the water spraying assembly, and the rear roller brush has two cleaning modes: dry state and wet state. A floor brush cleaning box is installed on the floor brush base, and the floor brush cleaning box has a clean water chamber inside for holding clean water; The bottom of the floor brush cleaning box is provided with a water outlet, and the top of the floor brush base is provided with a water inlet. The water outlet and the water inlet are connected to each other.

[0007] According to the present invention, a floor brush is provided with a cleaning liquid spray nozzle; The floor brush cleaning box has a cleaning liquid chamber inside to hold the cleaning liquid, and the cleaning liquid chamber and the clean water chamber are separated. The bottom of the floor brush cleaning box is provided with a liquid outlet, and the top of the floor brush base is provided with a liquid inlet. The liquid outlet and the liquid inlet are connected to each other.

[0008] According to the present invention, a floor brush is provided in which the cleaning liquid nozzle is disposed at the front end of the floor brush cleaning box; The top of the floor brush base is provided with a first adapter, and the bottom of the floor brush cleaning box is provided with a second adapter. The first adapter and the second adapter are connected and connected, and the second adapter is in fluid communication with the cleaning liquid nozzle.

[0009] According to the present invention, a floor brush includes a water spray assembly comprising a water pump, a three-way connector, and a first solenoid valve. The water inlet of the water pump is connected to the water inlet section, the water outlet of the water pump is connected to the first interface of the three-way connector, the second interface of the three-way connector is connected to the front spray plate, and the third interface of the three-way connector is connected to the rear spray plate through the first solenoid valve.

[0010] According to the present invention, when the first solenoid valve is de-energized, the water pump is in fluid communication with the front spray plate, and the rear roller brush is in a dry state. When the first solenoid valve is energized, the water pump is in fluid communication with the front spray plate and the rear spray plate, and the rear roller brush is in a wet state.

[0011] According to the present invention, the water spray volume of the rear spray plate is the same as that of the front spray plate. Alternatively, the water volume of the rear spray plate is less than that of the front spray plate.

[0012] According to the present invention, a floor brush includes a water spray assembly comprising a water pump and a second solenoid valve. The water inlet of the water pump is connected to the water inlet section, the water outlet of the water pump is connected to the water inlet of the second solenoid valve, the first water outlet of the second solenoid valve is connected to the front spray plate, and the second water outlet of the second solenoid valve is connected to the rear spray plate.

[0013] According to the present invention, when the second solenoid valve is de-energized, the water inlet of the second solenoid valve is connected to the first water outlet of the second solenoid valve, and the rear roller brush is in a dry state. When the second solenoid valve is energized, the inlet end of the second solenoid valve is connected to the second outlet end of the second solenoid valve, and the rear roller brush is in a wet state.

[0014] According to the present invention, a floor brush is provided in the mounting cavity, a foam pump is provided, one end of the foam pump is connected to the liquid inlet, and the other end of the foam pump is in fluid communication with the cleaning liquid nozzle; Alternatively, the mounting cavity may be equipped with a cleaning fluid pump and an air pump for delivering foam cleaning fluid to the cleaning fluid nozzle.

[0015] This utility model also provides a floor scrubber, including a handle, a body and a floor brush connected from top to bottom, wherein the floor brush is the floor brush provided according to the embodiment of this utility model.

[0016] This utility model provides a floor brush and floor scrubber that, by setting up front and rear dual roller brushes, can achieve complementary wet and dry modes. In the dry state, the rear roller brush can immediately wipe away residual water stains after the front roller brush has cleaned, making it especially suitable for moisture-sensitive floors such as wood floors and carpets, achieving integrated cleaning and drying without secondary manual treatment. It also enables collaborative cleaning between the two roller brushes. Initially, the front roller brush is already wet, and the rear roller brush, in its wet state, can participate in cleaning simultaneously with the front roller brush, doubling the number of friction strokes and contact area for stubborn stains, thus improving cleaning efficiency and avoiding the residue problems of traditional single-roller brush cleaning. By switching between wet and dry modes on the rear roller brush, the floor brush can adapt to different cleaning scenarios: for waterproof floors such as tiles and marble, the wet mode can be used for deep cleaning; for moisture-sensitive floors such as wood floors and composite floors, the dry mode can be used to avoid water damage; at the same time, for scenarios with stubborn stains, the mode can be flexibly switched without changing cleaning equipment, effectively expanding the scope of scenario adaptability.

[0017] Furthermore, the floor brush cleaning box is directly integrated into the floor brush base, with the water outlet and inlet connected at a short distance to achieve water circulation. Compared to the traditional long pipes connecting the machine body and the floor brush, this reduces water pressure loss, ensures stable water pressure from the spray plates, and avoids reduced cleaning effectiveness due to insufficient pressure. The simplified pipe connection structure reduces the probability of leaks and blockages. Simultaneously, the short water supply path reduces water residue, avoiding the problem of bacterial growth caused by water accumulation in traditional long pipes, significantly improving cleaning hygiene. In addition, the floor brush cleaning box can be directly removed from the floor brush base; adding water and cleaning do not require disassembling the entire machine or long pipes, reducing operational steps and improving ease of use. Stable water pressure and the synergistic cleaning of the dual roller brushes reduce the number of repetitive cleaning cycles, lowering motor energy consumption and roller brush wear, extending equipment lifespan, and reducing user maintenance costs. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is an external schematic diagram of the floor brush base provided by this utility model; Figure 2 This is a structural schematic diagram of the floor brush cleaning box provided by this utility model; Figure 3 This is one of the schematic diagrams of the internal structure of the floor brush base provided by this utility model; Figure 4 This is the second schematic diagram of the internal structure of the floor brush base provided by this utility model; Figure 5 This is one of the schematic diagrams of the water purification path provided by this utility model; Figure 6 This is the second schematic diagram of the water purification path provided by this utility model; Figure 7 This is a schematic diagram of the cleaning fluid path provided by this utility model.

[0020] Figure label: 10. Floor brush base; 12. Front roller brush; 13. Rear roller brush; 14. Front spray plate; 15. Rear spray plate; 16. Water inlet; 17. Liquid inlet; 18. First adapter; 20. Floor brush cleaning box; 22. Clean water chamber; 23. Water outlet; 24. Cleaning liquid nozzle; 25. Cleaning liquid chamber; 26. Liquid outlet; 27. Second adapter; 30. Water pump; 31. T-joint; 32. First solenoid valve; 33. Water shortage sensor; 34. Second solenoid valve; 35. Foam pump. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] In the description of this utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0025] like Figures 1 to 7 As shown, this utility model provides a floor brush, including: a floor brush base 10, with a front roller brush 12 and a rear roller brush 13 respectively provided at the front and rear ends of the floor brush base 10; an installation cavity is provided inside the floor brush base 10, and a water spraying assembly is provided in the installation cavity; a front water spraying plate 14 is provided near the front roller brush 12, and a rear water spraying plate 15 is provided near the rear roller brush 13; both the front water spraying plate 14 and the rear water spraying plate 15 are connected to the water spraying assembly; the rear roller brush 13 has two cleaning modes: dry and wet; the front water spraying plate 14 is used to spray water onto the front roller brush 12, and the rear water spraying plate 15 is used to spray water onto the rear roller brush 13; by setting two clean water paths, at least one of the front water spraying plate 14 and the rear water spraying plate 15 can spray water, and the cleaning modes of the front roller brush 12 and the rear roller brush 13 can be adjusted according to user needs, solving the problem of insufficient cleaning ability of existing floor brushes; A floor brush cleaning box 20 is installed on the floor brush base 10. The floor brush cleaning box 20 has a clean water chamber 22 inside for holding clean water. The bottom of the floor brush cleaning box 20 is provided with a water outlet 23, and the top of the floor brush base 10 is provided with a water inlet 16. The water outlet 23 and the water inlet 16 are connected together.

[0026] Specifically, the floor brush cleaning box 20 is integrated and installed on the floor brush base 10. To ensure assembly stability, the floor brush cleaning box 20 preferably uses a flat box shape to match the shape of the floor brush base 10. Traditional floor scrubbers have a high center of gravity because the water tank is located in the upper middle part of the machine. When users hold the machine to clean, they need to apply extra force to maintain balance, which can easily lead to top-heavy operation and jamming. This invention lowers the center of gravity of the machine, making operation easier and more convenient. It also helps reduce machine sway, improves operational stability, and ensures uniform cleaning force from the roller brush, thus guaranteeing consistent cleaning.

[0027] To prevent water leakage when the floor brush cleaning box 20 is removed alone, the water outlet 23 is equipped with a seal. For example, the water outlet 23 includes a water outlet on the bottom wall of the floor brush cleaning box 20 and a guide post protruding outward from the water outlet. The top surface of the guide post is equipped with a flexible seal. The water inlet 16 includes a groove and a top rod extending upward from the bottom of the groove. When the floor brush cleaning box 20 is not installed, the seal can close the water outlet under its own elasticity to prevent water leakage when the user removes the floor brush cleaning box 20, thus increasing the workload of floor cleaning. When the floor brush cleaning box 20 is installed, the water outlet 23 is aligned with the water inlet 16, the guide post is embedded in the groove, and the top rod can push open the seal to connect the water outlet with the water inlet on the top rod, so that the clean water in the clean water chamber 22 can enter the floor brush base 10.

[0028] Floor scrubbers typically come with a cleaning solution mode. Traditional floor scrubbers add the cleaning solution directly to the clean water tank. The cleaning solution mixes with the clean water and is used throughout the entire cleaning process. The concentration of the cleaning solution cannot be adjusted according to the type of stain, so it cannot be used for targeted cleaning and also causes unnecessary waste.

[0029] In a preferred embodiment of the present invention, the floor brush is provided with a cleaning liquid spray nozzle 24; The floor brush cleaning box 20 has a cleaning liquid chamber 25 inside for holding cleaning liquid, and the cleaning liquid chamber 25 and the clean water chamber 22 are separated. The bottom of the floor brush cleaning box 20 is provided with a liquid outlet 26, and the top of the floor brush base 10 is provided with a liquid inlet 17. The liquid outlet 26 and the liquid inlet 17 are connected and connected.

[0030] This invention features an independent cleaning fluid delivery structure and path, separate from the clean water path, physically separating the cleaning fluid chamber 25 and the clean water chamber 22 to prevent mixing of the two liquids. The clean water pipeline and the cleaning fluid pipeline are independent of each other, eliminating cross-contamination during delivery. The cleaning fluid is sprayed out through the cleaning fluid nozzle 24, operating independently from the clean water nozzles (on the front / rear spray plates), ensuring that the cleaning fluid is precisely released only when needed and does not mix with the clean water prematurely.

[0031] By providing both clean water and cleaning fluid as cleaning media, the cleaning mode can be flexibly switched for different stain scenarios. For light stains, only the clean water line can be activated, delivering clean water through the front spray plate 14 and / or the rear spray plate 15, and cleaning can be completed with the roller brush. No cleaning fluid is required, avoiding unnecessary waste of cleaning fluid in traditional mixed cleaning, while also reducing the potential damage to the floor caused by cleaning fluid residue. For heavy stains, the cleaning fluid line can be activated separately, precisely spraying the cleaning fluid onto the stain point through the cleaning fluid nozzle 24, while the clean water line assists in dissolving and rinsing, achieving precise action of the cleaning fluid on the stain, avoiding the waste of cleaning fluid caused by traditional large-area spraying.

[0032] By dividing the internal space of the floor brush cleaning tank 20 into two chambers, the mixing of different liquids is avoided, thus improving space utilization. This eliminates the need for multiple containers to hold clean water and cleaning fluid separately, simplifying the structural configuration and promoting a compact layout. Preferably, the volume of the cleaning fluid chamber 25 is smaller than the volume of the clean water chamber 22 to meet the needs of daily cleaning modes that primarily use clean water, avoiding the need for the user to refill water too frequently due to an excessively small clean water chamber 22. For example, as... Figure 1 and Figure 2 As shown, in order to match the shape of the floor brush base 10, the floor brush cleaning box 20 is a U-shaped box. The water chamber 22 covers most of the U-shaped space, and the cleaning liquid chamber 25 is located at the end near the U-shaped opening. The cleaning liquid chamber 25 can be set in one place according to actual needs, or two places can be set on both sides of the U-shaped opening.

[0033] The liquid outlet 26 and the liquid inlet 17 can be configured with a sealing and triggering conduction structure with reference to the structure between the water outlet 23 and the water inlet 16 to prevent the cleaning liquid from leaking when the floor brush cleaning box 20 is taken out alone.

[0034] In one embodiment, the cleaning fluid nozzle 24 is located at the front end of the floor brush cleaning box 20; The top of the floor brush base 10 is provided with a first adapter 18, and the bottom of the floor brush cleaning box 20 is provided with a second adapter 27. The first adapter 18 and the second adapter 27 are connected and connected, and the second adapter 27 is in fluid communication with the cleaning liquid nozzle 24.

[0035] Since the floor brush cleaning box 20 is mounted on the floor brush base 10, in order to prevent the cleaning fluid nozzle 24 from being obstructed and to ensure a reasonable spray position, in this embodiment, the cleaning fluid nozzle 24 is located on the floor brush cleaning box 20. This increases visibility, allowing the user to observe the spraying process in real time. Users can clearly see the wet marks of the cleaning fluid adhering to the stain surface, intuitively judging whether the spray has covered the target stain. This avoids the problem of the traditional nozzle being hidden when it is located on the floor brush base 10, making it impossible to confirm whether the stain has been sprayed. Furthermore, when the nozzle becomes clogged, the user can directly observe the liquid residue at the nozzle (such as white marks formed after the cleaning fluid dries) or abnormal spray pattern, allowing for diagnosis of the fault without disassembling the floor brush, thus improving maintenance convenience. The height of the cleaning fluid nozzle 24 from the ground or the spray angle can be set according to actual needs to improve the effect of accurately focusing the cleaning fluid on the ground area in front of the front roller brush 12. One or more cleaning fluid nozzles 24 can be provided. Figure 2 In the example, a single cleaning fluid nozzle 24 is located at the center of the front end of the floor brush cleaning box 20.

[0036] To improve visibility, the cleaning fluid nozzle 24 can be designed with a different color to visually distinguish it from surrounding components. Even in dimly lit environments such as kitchens and bathrooms, the cleaning fluid nozzle 24 can be quickly identified by color, reducing the probability of operational errors.

[0037] This invention, by placing the cleaning fluid nozzle 24 on the floor brush cleaning tank 20, allows the nozzle to be directly aimed at the core stain area cleaned by the front roller brush 12, ensuring that the spray position overlaps with the cleaning path of the front roller brush 12. This allows the cleaning fluid to act immediately on the stains upon contact, and quickly dissolve them through friction with the front roller brush 12. The placement of the cleaning fluid nozzle 24 in the floor brush cleaning tank 20 avoids interference with the structure on the floor brush base 10, and also allows for physical separation from the water nozzle, preventing short circuits and blockages caused by water splashing into the nozzle, significantly improving structural reliability.

[0038] To achieve different collaborative cleaning modes between the front spray plate 14 and the rear spray plate 15, the spray assembly can be configured with different structural components, for example, any of the following implementation methods can be adopted.

[0039] In one embodiment, the water spray assembly includes a water pump 30, a three-way connector 31, and a first solenoid valve 32. The water inlet of the water pump 30 is connected to the water inlet section 16, the water outlet of the water pump 30 is connected to the first interface of the three-way connector 31, the second interface of the three-way connector 31 is connected to the front spray plate 14, and the third interface of the three-way connector 31 is connected to the rear spray plate 15 through the first solenoid valve 32.

[0040] In specific embodiments, such as Figure 3 and Figure 5 As shown, the clean water in the clean water chamber 22 enters the floor brush base 10 through the water outlet 23 and the water inlet 16. Then it passes through the water shortage sensor 33 (the water shortage sensor 33 is used to monitor the liquid level in the floor brush cleaning box 20 in real time. When the liquid level is lower than the preset threshold, it triggers an alarm or shutdown protection to prevent the equipment from being damaged due to water shortage and to remind the user to add water in time). Then the water pump 30 pumps the clean water into the clean water pipe. The clean water flows through the three-way pipe joint 31, one path is sprayed out by the front spray plate 14, and the other path passes through the first solenoid valve 32 and is sprayed out by the rear spray plate 15.

[0041] Furthermore, in the aforementioned water circuit, the water pump 30 and the front spray plate 14 are always in a connected state, the first solenoid valve 32 is in a normally closed state, and the pipeline of the rear spray plate 15 is closed. At this time, when the water pump 30 is working, only the front spray plate 14 sprays clean water, and the water flow of the front spray plate 14 is controlled by the water pump 30. When it is necessary to switch the cleaning mode, the user can operate the switch of the first solenoid valve 32 through the handle button. When the first solenoid valve 32 is opened, the water circuits of the front spray plate 14 and the rear spray plate 15 are both in a connected state. That is, by controlling the first solenoid valve 32, it is possible to control whether the rear spray plate 15 sprays water, thereby realizing the rear roller brush 13 in a dry state or a wet state. Specifically, when the rear roller brush 13 is in a dry state, it can realize the function of the front roller brush 12 cleaning and the rear roller brush 13 drying when the floor scrubber is cleaning. When the rear roller brush 13 is in a wet state, it can realize the function of the front roller brush 12 and the rear roller brush 13 cleaning simultaneously.

[0042] Furthermore, when the first solenoid valve 32 is opened, to ensure that the water flow rates of the front spray plate 14 and the rear spray plate 15 are consistent with the water flow rate of a single spray plate, the water output of the water pump 30 is increased by approximately double while the first solenoid valve 32 is opened, thereby meeting the water flow requirements. It is understood that when the front spray plate 14 and the rear spray plate 15 work simultaneously, their water flow rates can be the same or different. As mentioned above, by increasing the water pump 30 flow rate while switching the first solenoid valve 32 open, the water flow rates of the front spray plate 14 and the rear spray plate 15 can be made consistent. Of course, in other examples, the water pump 30 flow rate can be reduced while switching the first solenoid valve 32, or the diameter and number of spray holes on the rear spray plate 15 can be designed to control the water flow rate of the rear spray plate 15 to be less than that of the front spray plate 14.

[0043] In another embodiment, the water spray assembly includes a water pump 30 and a second solenoid valve 34. The inlet of the water pump 30 is connected to the inlet section 16, and the outlet of the water pump 30 is connected to the inlet of the second solenoid valve 34. The first outlet of the second solenoid valve 34 is connected to the front spray plate 14, and the second outlet of the second solenoid valve 34 is connected to the rear spray plate 15. The second solenoid valve 34 is a two-position three-way solenoid valve.

[0044] In specific embodiments, such as Figure 4 and Figure 6 As shown, the clean water in the clean water chamber 22 enters the floor brush base 10 through the water outlet 23 and the water inlet 16. Then it passes through the water shortage sensor 33 (the water shortage sensor 33 is used to monitor the liquid level in the floor brush cleaning box 20 in real time. When the liquid level is lower than the preset threshold, it triggers an alarm or shutdown protection to prevent the equipment from being damaged due to water shortage and to remind the user to add water in time). Then the water pump 30 pumps the clean water into the clean water pipe, and then it flows through the second solenoid valve 34. One route is sprayed out by the front spray plate 14, and the other route is sprayed out by the rear spray plate 15.

[0045] Furthermore, in the aforementioned water circuit, when the second solenoid valve 34 is not energized and is normally closed, its inlet end is connected to its first outlet end, which is connected to the front spray plate 14. At this time, the water circuit of the rear spray plate 15 is closed, meaning that when the water pump 30 is working, only the front spray plate 14 sprays clean water, and the water flow rate of the front spray plate 14 is controlled by the water pump 30. When it is necessary to switch the cleaning mode, the user can operate the switch of the second solenoid valve 34 via the handle button. When the second solenoid valve 34 is opened, that is, when the second solenoid valve 34 is energized and in operation, its inlet end is connected to its second outlet end, which is connected to the rear spray plate 15. At this time, the rear spray plate 15 can spray water, and the water circuit of the front spray plate 14 is closed. When the water pump 30 is working, only the rear spray plate 15 sprays clean water, and the water flow rate of the rear spray plate 15 is controlled by the water pump 30. Using the second solenoid valve 34 to control the connection status of the single water path of the front spray plate 14 and the rear spray plate 15 can keep the flow rate of the water pump 30 consistent.

[0046] Furthermore, by default, after powering on, the front spray plate 14 sprays water while the rear spray plate 15 does not. Therefore, under the action of the water spray from the front spray plate 14, the front roller brush 12 can be in a wet state. Then, by controlling the state of the second solenoid valve 34, the rear roller brush 13 can be in a dry or wet state. That is, when the second solenoid valve 34 is not open, the rear roller brush 13 is in a dry state, which enables the front roller brush 12 to clean and the rear roller brush 13 to dry during floor cleaning. When the user opens the second solenoid valve 34, the rear roller brush 13 is in a wet state, which enables the front roller brush 12 (which has been previously wetted) and the rear roller brush 13 to clean simultaneously.

[0047] Furthermore, to achieve the cleaning fluid cleaning mode, a cleaning fluid spraying structure is also provided inside the installation cavity, such as... Figure 3 or Figure 4 As shown, in one embodiment, a foam pump 35 is provided inside the mounting cavity. One end of the foam pump 35 is connected to the liquid inlet 17, and the other end of the foam pump 35 is in fluid communication with the cleaning liquid nozzle 24. (Combined with...) Figure 7The cleaning fluid originates from the cleaning fluid chamber 25, passes through the foam pump 35, and is finally sprayed out from the cleaning fluid nozzle 24. Specifically, when the cleaning fluid nozzle 24 is located on the floor brush cleaning box 20, after the floor brush cleaning box 20 is installed on the floor brush base 10, the cleaning fluid in the cleaning fluid chamber 25 enters the floor brush base 10 through the outlet 26 and inlet 17. When the cleaning fluid mode is activated, the cleaning fluid and air enter the foam pump 35 together. After being processed by the foam pump 35, a foam mixture is formed and enters the cleaning fluid water pipe. Then, it passes through the first adapter 18 and the second adapter 27, and is finally sprayed out from the cleaning fluid nozzle 24. During the entire flow process, the air and cleaning fluid entering the foam pump 35 are strongly squeezed, stirred, and sheared in the pump chamber. During this process, the surfactant in the liquid coats the surface of the newly formed small bubbles, reducing the surface tension and preventing the bubbles from rapidly merging and bursting, thus stabilizing the mixture into a foam mixture. When sprayed out, the cleaning fluid is dense. This implementation uses a foam pump 35, which simplifies the structural configuration, is suitable for installation in small spaces, and can improve the arrangement of multiple components in the installation cavity.

[0048] In other embodiments, a combination of a cleaning fluid pump and an air pump can be used to achieve the function of the foam pump 35 described above, which also causes the cleaning fluid nozzle 24 to spray out foam cleaning fluid.

[0049] This invention features two clean water pipes and one cleaning fluid pipe, enabling a working mechanism that allows for both clean water cleaning of light stains and targeted spraying of cleaning fluid for heavy stains. This expands the cleaning scenarios for the floor scrubber, improves product versatility, and allows users to choose different cleaning methods for different cleaning environments, switching flexibly and freely to enhance the user experience. The separate clean water and cleaning fluid pipes avoid mixing different liquids and prevent waste of cleaning fluid.

[0050] Based on the above embodiments, when the cleaning fluid nozzle 24 is provided in the floor brush cleaning box 20, there are one or more cleaning fluid nozzles 24, and the second adapter 27 is provided on the rear side of the cleaning fluid nozzle 24, preferably in the middle of the floor brush cleaning box 20. Correspondingly, the first adapter 18 is provided in the middle of the floor brush base 10, and avoids the installation position of the front roller brush 12.

[0051] Furthermore, the water outlet 23 and liquid outlet 26 of the floor brush cleaning box 20 can be located on the same side or on different sides, arranged according to actual needs; the water inlet 16 and liquid inlet 17 of the floor brush base 10 can be located on the same side or on different sides, arranged according to actual needs. In some embodiments, such as Figure 3 and Figure 4As shown, the water inlet 16 and the liquid inlet 17 are located on the same side. The water inlet 16, water pump 30, and first solenoid valve 32 / second solenoid valve 34 are arranged alternately along the horizontal or left-right direction of the floor brush base 10. The liquid inlet 17 and foam pump 35 are arranged alternately along the horizontal or left-right direction of the floor brush base 10. The core components are arranged in an orderly manner along the horizontal direction, making the routing of the clean water pipeline and the cleaning liquid pipeline clearer. This not only shortens the liquid delivery distance but also facilitates quick location of pipeline nodes during later maintenance, reducing maintenance difficulty. The clean water pipeline and the cleaning liquid pipeline are separated along the front-to-back direction. Through reasonable arrangement, space utilization can be improved, assembly difficulties caused by pipeline crossing and entanglement can be avoided, and the risk of pipeline damage and leakage caused by long-term compression and friction can be reduced. By separating the water pump 30 and the first solenoid valve 32 / second solenoid valve 34 on the left and right sides respectively, the long-term resonance caused by their close proximity can be avoided, which can lead to component loosening and pipeline interface sealing failure. This can reduce the impact of vibration on each other's structure and improve operational stability and service life. In addition, the water pump 30 will generate a certain amount of heat when it is running, and the solenoid valve will also accumulate heat due to long-term on and off operation. The two are set on the left and right sides to disperse the heat source and avoid the heat from being superimposed in the same area, which would cause the local temperature to be too high. This protects the surrounding heat-sensitive components (such as sealing rings and plastic pipes) and prevents the equipment reliability from being affected by high temperature aging.

[0052] This utility model also provides a floor scrubber, including a handle, a body and a floor brush connected sequentially from top to bottom. The floor brush adopts the floor brush of the above-described embodiments and has all the beneficial effects of the above-described embodiments and examples, which will not be repeated here.

[0053] The floor brush and floor scrubber provided by this utility model, by setting up front and rear dual roller brushes, can achieve complementary dry and wet modes. That is, in the dry state, the rear roller brush 13 can immediately wipe away the residual water stains after the front roller brush 12 has cleaned, which is especially suitable for moisture-sensitive floors such as wood floors and carpets, realizing integrated cleaning and drying without secondary manual treatment. It can also achieve synergistic cleaning of the two roller brushes. Initially, the front roller brush 12 is already wet, and the rear roller brush 13 can participate in cleaning simultaneously with the front roller brush 12 in the wet state. The number of frictions and contact area for stubborn stains are doubled, improving cleaning efficiency and avoiding the problem of residue in traditional single roller brush cleaning. By switching between dry and wet modes of the rear roller brush 13, the floor brush can be adapted to different cleaning scenarios: when facing waterproof floors such as tiles and marble, the wet mode can be used to achieve deep cleaning; when facing moisture-sensitive floors such as wood floors and composite floors, the dry mode can be used to avoid water stain damage; at the same time, for scenarios such as local stubborn stains, the mode can be flexibly switched without changing the cleaning equipment, effectively expanding the scope of scenario adaptability.

[0054] Furthermore, the floor brush cleaning box 20 is directly integrated into the floor brush base 10, and the water outlet 23 and water inlet 16 are connected by a short distance to achieve water circuit connectivity. Compared with the traditional long pipe of the machine body and floor brush, this reduces water pressure loss, ensures stable water pressure from the spray plate, and avoids reduced cleaning effect due to insufficient pressure. By simplifying the pipe connection structure, the probability of pipe leakage and blockage can be reduced. At the same time, the short-path water supply reduces water residue and avoids the problem of water accumulation and bacterial growth in traditional long pipes, significantly improving cleaning hygiene. In addition, the floor brush cleaning box 20 can be directly removed from the floor brush base 10. Adding water and cleaning does not require disassembling the whole machine or long pipes, reducing operation steps and improving ease of use. Stable water spray pressure and dual roller brushes working together to clean can reduce the number of times the floor scrubber needs to be cleaned repeatedly, reduce motor energy consumption and roller brush wear, extend equipment life, and reduce user maintenance costs.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A floor brush, characterized in that, include: A floor brush base has a front roller brush and a rear roller brush at its front and rear ends, respectively. The floor brush base has an installation cavity inside, and a water spray assembly is installed in the installation cavity. A front water spray plate is installed near the front roller brush, and a rear water spray plate is installed near the rear roller brush. Both the front and rear water spray plates are connected to the water spray assembly. The rear roller brush has two cleaning modes: dry and wet. A floor brush cleaning box is installed on the floor brush base, and the floor brush cleaning box has a clean water chamber inside for holding clean water; The bottom of the floor brush cleaning box is provided with a water outlet, and the top of the floor brush base is provided with a water inlet. The water outlet and the water inlet are connected to each other.

2. The floor brush according to claim 1, characterized in that, The floor brush is equipped with a cleaning fluid spray nozzle; The floor brush cleaning box has a cleaning liquid chamber inside to hold the cleaning liquid, and the cleaning liquid chamber and the clean water chamber are separated. The bottom of the floor brush cleaning box is provided with a liquid outlet, and the top of the floor brush base is provided with a liquid inlet. The liquid outlet and the liquid inlet are connected to each other.

3. The floor brush according to claim 2, characterized in that, The cleaning fluid nozzle is located at the front end of the floor brush cleaning box; The top of the floor brush base is provided with a first adapter, and the bottom of the floor brush cleaning box is provided with a second adapter. The first adapter and the second adapter are connected and connected, and the second adapter is in fluid communication with the cleaning liquid nozzle.

4. The floor brush according to claim 1, characterized in that, The water spray assembly includes a water pump, a three-way connector, and a first solenoid valve. The water inlet of the water pump is connected to the water inlet section, the water outlet of the water pump is connected to the first interface of the three-way connector, the second interface of the three-way connector is connected to the front spray plate, and the third interface of the three-way connector is connected to the rear spray plate through the first solenoid valve.

5. The floor brush according to claim 4, characterized in that, When the first solenoid valve is de-energized, the water pump is in fluid communication with the front spray plate, and the rear roller brush is in a dry state. When the first solenoid valve is energized, the water pump is in fluid communication with the front spray plate and the rear spray plate, and the rear roller brush is in a wet state.

6. The floor brush according to claim 5, characterized in that, The water spray volume of the rear spray plate is the same as that of the front spray plate. Alternatively, the water volume of the rear spray plate is less than that of the front spray plate.

7. The floor brush according to claim 1, characterized in that, The water spray assembly includes a water pump and a second solenoid valve. The water inlet of the water pump is connected to the water inlet section, the water outlet of the water pump is connected to the water inlet of the second solenoid valve, the first water outlet of the second solenoid valve is connected to the front spray plate, and the second water outlet of the second solenoid valve is connected to the rear spray plate.

8. The floor brush according to claim 7, characterized in that, When the second solenoid valve is de-energized, the water inlet of the second solenoid valve is connected to the first water outlet of the second solenoid valve, and the rear roller brush is in a dry state. When the second solenoid valve is energized, the water inlet of the second solenoid valve is connected to the second water outlet of the second solenoid valve, and the rear roller brush is in a wet state.

9. The floor brush according to claim 2 or 3, characterized in that, A foam pump is installed inside the mounting cavity. One end of the foam pump is connected to the liquid inlet, and the other end of the foam pump is in fluid communication with the cleaning liquid nozzle. Alternatively, the mounting cavity may be equipped with a cleaning fluid pump and an air pump for delivering foam cleaning fluid to the cleaning fluid nozzle.

10. A floor scrubber, comprising a handle, a body, and a floor brush connected sequentially from top to bottom, characterized in that, The floor brush is the floor brush as described in any one of claims 1-9.

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