Open type water tank, cleaning head assembly and scrubber

Abstract

The invention discloses an open-type water tank, a cleaning head assembly and a scrubber, the open-type water tank is arranged in a cleaning head shell of the scrubber and erected above a cleaning roller, the open-type water tank comprises a pressing rib, a guide strip, a connecting piece and a breathable cover, the pressing rib and the guide strip are arranged on the inner side of the top wall of the cleaning head shell, protrude towards the cleaning roller and abut against the cleaning roller; the connecting piece is connected with the pressing rib and the guide strip, filtering through holes are evenly distributed in the lower surface, close to the cleaning roller, of the connecting piece, and the breathable cover covers a strip-shaped opening in the area, right opposite to the connecting piece, of the top wall of the cleaning head shell, can restrain liquid water from overflowing outwards and is breathable. The pressing rib, the guide strip, the upper surface of the cleaning roller located between the pressing rib and the guide strip and the two end walls of the cleaning head shell jointly define the open type water tank, and the two ends of the open type water tank are connected with a clean water tank and a sewage tank of the scrubber respectively. When a user cleans the water tank, the water tank can be conveniently cleaned only by taking down the breathable cover.

Description

[0001] This application is a divisional application of Chinese Patent Application No. 202310475481.0 entitled "Open Sink, Cleaning Head Assembly and Floor Scrubber", the contents of which are incorporated herein by reference. Technical Field

[0002] This invention relates to the field of cleaning equipment technology, and more particularly to an open-type sink, a cleaning head assembly, and a floor scrubber. Background Technology

[0003] As living standards gradually improve, people's demands for quality of life are also increasing. More and more people are laying beautiful flooring or tiles on their homes. When the flooring or tiles get dirty and need cleaning, the traditional method is to use brooms, mops, or scouring pads. This method is time-consuming and laborious, and it doesn't increase people's interest in cleaning, which is not conducive to maintaining a clean indoor environment. Therefore, floor scrubbers have emerged. A floor scrubber is a cleaning appliance suitable for cleaning hard floors while simultaneously sucking up and removing wastewater from the site.

[0004] Currently, the wastewater generated by floor scrubbers typically flows into a wastewater tank through a water tank inside the machine. However, the wastewater often contains undissolved particles, which can easily clog the wastewater tank. Furthermore, once a certain amount of debris accumulates in the water tank, the lack of air circulation can cause the cleaning rollers enclosed in the tank to develop an unpleasant odor when the user uses the scrubber for the first time after a long period of inactivity. This results in a poor customer experience as the odor is carried over to the cleaned floor. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an open-type water tank, a cleaning head assembly, and a floor scrubber, aiming to solve the problems of easy clogging of the wastewater tank and foul odor in the water tank of existing floor scrubbers when not in use for extended periods.

[0006] To solve the above-mentioned technical problems, in a first aspect, the present invention provides an open-type water tank, mounted on a cleaning roller, comprising:

[0007] The pressure ribs and guide bars are both located on the inner side of the top wall of the cleaning head housing, protruding towards and abutting against the cleaning roller. The pressure ribs scrape away dirt and sewage on the cleaning roller, while the guide bars guide the sewage away and also prevent the sewage squeezed out from the cleaning roller from flowing into the waste collection assembly.

[0008] The connector, which connects the pressure ribs and guide bars, is located before the sewage tank inlet. Its lower surface near the cleaning roller has evenly distributed filter holes, which can filter particles in the sewage to prevent sewage from entering the sewage tank.

[0009] The pressure ribs, guide strips, the upper surface of the cleaning roller located between the pressure ribs and guide strips, and the two end walls of the cleaning head housing together form an open water tank, making full use of the space in the height direction of the water tank to achieve the filtration function.

[0010] In one or more alternative embodiments, the cross-section of the connector gradually decreases in distance from the surface of the cleaning roller from the middle or the connecting guide bar in the direction pointing towards the pressure rib until the connector is connected to the pressure rib.

[0011] In one or more alternative embodiments, the cross-section of the connector is kept at a constant distance from the surface of the cleaning roller starting from the center along the direction pointing towards the guide bar.

[0012] In one or more alternative embodiments, the connection point of the connector to the pressure rib is higher than the surface of the cleaning roller.

[0013] In one or more alternative embodiments, the connector has a Z-shaped cross-section, with a gap between the upper surface of the upper end of the Z-shape and the top wall of the cleaning head housing, and a gap between the lower surface of the lower end of the Z-shape and the cleaning roller.

[0014] In one or more alternative embodiments, the lower Z-shaped end of the connector cross-section points to the pressure rib in an arc shape that gradually decreases in distance from the surface of the cleaning roller.

[0015] In one or more alternative embodiments, the connector near the upper Z-shaped end of the guide bar and the vertical Z-shaped section gradually tighten towards the guide bar from near at least one of the end walls until its cross-section changes from a Z-shape to an L-shape.

[0016] In one or more alternative embodiments, the rib is integrally formed with the cleaning head housing, or the rib is detachably connected to the cleaning head housing.

[0017] In one or more alternative embodiments, the end of the pressure rib that abuts against the cleaning roller can be an arc-shaped end or a non-arc-shaped end.

[0018] In one or more alternative embodiments, the reinforcing rib is a straight line with a single cross-sectional shape and is parallel to the axis of the cleaning roller, or the reinforcing rib tightens towards the inside of the water tank near the end walls.

[0019] In one or more alternative embodiments, the reinforcing ribs tighten in the direction of narrowing the width of the water tank.

[0020] In one or more alternative embodiments, the pressure ribs extend toward the axis of the cleaning roller to increase the amount of interference fit for elastic contact.

[0021] In one or more alternative embodiments, the guide strip is integrally formed with the cleaning head housing, or the guide strip is detachably connected to the cleaning head housing.

[0022] In one or more alternative embodiments, the end of the guide bar that abuts against the cleaning roller may be an arc-shaped end.

[0023] In one or more alternative embodiments, the guide bar is configured such that at least one end abuts against the wiping layer of the cleaning roller, and the middle part arches outward from the crescent-shaped end of the wiping layer.

[0024] In one or more alternative embodiments, the crescent-shaped end has two tips that resiliently abut against the wiping layer.

[0025] In one or more alternative embodiments, the crescent-shaped end has a tip that elastically abuts against the wiping layer, facilitating the brush assembly in the cleaning head assembly to directionally eject solid and sticky debris onto the tip of the waste collection assembly during high-speed rotation.

[0026] In one or more alternative embodiments, the cleaning head housing body has a snap-fit ​​groove for snapping a guide strip on the inner side facing the cleaning roller and between the pressure rib and the brush assembly in the cleaning head assembly. The guide strip has a snap-fit ​​end on the other end away from the cleaning roller, and the snap-fit ​​end is elastically snapped into the snap-fit ​​groove.

[0027] In one or more alternative embodiments, the guide bar is a straight line with a single cross-sectional shape and is parallel to the axis of the cleaning roller, or the guide bar is tightened towards the inside of the water tank near the end walls.

[0028] In one or more alternative embodiments, the guide bar tightens in the direction of narrowing the width of the water tank.

[0029] In one or more alternative embodiments, the guide bar extends toward the axis of the cleaning roller to increase the amount of interference fit for resilient contact.

[0030] In one or more alternative embodiments, the connector is detachably connected at the end where the pressure rib abuts against the cleaning roller and towards the guide strip, the lower surface of the connector extends along the guide strip against the surface of the cleaning roller, and a gap is left between the lower surface of the connector and the surface of the cleaning roller.

[0031] In one or more alternative embodiments, the extended end of the connector is provided with a connector extension hook that extends in the direction opposite to the normal of the cleaning roller surface, and the foremost surface of the hook has a gap with the vertical surface of the guide strip.

[0032] In one or more alternative embodiments, the connector is integrally formed with the cleaning head housing.

[0033] In one or more optional embodiments, the Z-shaped vertical section of the connector cross-section has a gap with the vertical surface of the guide strip, forming a vertical gap space that can accommodate large particles of waste.

[0034] In one or more alternative embodiments, the cross-sectional width of the facade gap space gradually decreases as it moves toward the guide bar until the width is reduced to zero.

[0035] In one or more optional embodiments, the upper surface of the Z-shaped upper end of the connector cross-section is provided with multiple strip-shaped open channels at intervals, starting from the upper surface of the cleaning roller located between the pressure ribs and the guide strips and extending upward along the four walls of the multiple open channels to the inner wall of the vent cover, thereby enclosing multiple open spaces that can accommodate and limit large particles of waste.

[0036] In one or more alternative embodiments, the open water tank is located inside the cleaning head housing of the floor scrubber.

[0037] In one or more optional embodiments, the cleaning head housing includes a cleaning head housing body, a first end wall, a second end wall, and a cleaning roller cover;

[0038] The cleaning head housing body includes a pressure rib, a guide bar, and a connector, with the pressure rib and guide bar both set on the cleaning head housing body;

[0039] The cleaning roller cover is placed on the cleaning head housing to cover the cleaning roller.

[0040] In one or more optional embodiments, the cleaning roller cover also includes a locking mechanism disposed on the cleaning roller cover. When maintaining and cleaning the open water tank, the locking mechanism can be easily released to remove the cleaning roller cover from the cleaning head housing. When it is necessary to install it back onto the cleaning head housing, it can be securely closed to the cleaning head housing through multiple locking points.

[0041] In one or more alternative embodiments, the open-type tank further includes:

[0042] A vent cap, placed over the strip opening on the top wall of the cleaning head housing opposite the connector, prevents liquid water from overflowing and allows air to pass through.

[0043] In one or more optional embodiments, the two ends of the open water tank are respectively connected to the clean water tank and wastewater tank of the floor scrubber through the end walls of the two cleaning head housings; when cleaning the open water tank, the user only needs to remove the vent cover for convenient cleaning.

[0044] In one or more optional embodiments, the cleaning roller cover is further provided with a long, hollowed-out groove, through which the ventilated cavity portion of the ventilated cover passes.

[0045] In one or more alternative embodiments, a gap is left between the upper surface of the Z-shaped upper end of the connector and the vent cover.

[0046] In a second aspect, the present invention provides a cleaning head assembly, comprising:

[0047] The cleaning head housing has an open water tank as described in the first aspect and two end walls for holding the cleaning roller, each end wall being provided with a water flow channel connecting the open water tank.

[0048] The cleaning roller is clamped between the two end walls of the cleaning head housing and includes a drive motor mounted on one end wall and a cleaning roller sleeved on the output end of the drive motor.

[0049] The water tank assembly, which can be installed and removed from one end wall of the cleaning head housing, includes a clean water tank and a wastewater tank connected to the open water tank.

[0050] Thirdly, the present invention also provides a floor scrubbing machine, including the cleaning head assembly as described in the second aspect.

[0051] This invention provides an open-type water tank, a cleaning head assembly, and a floor scrubber. The open-type water tank is located inside the cleaning head housing of the floor scrubber and is mounted on the cleaning roller. It includes pressure ribs, guide strips, connectors, and a vent cover. The pressure ribs and guide strips are located on the inner side of the top wall of the cleaning head housing, protruding towards and abutting against the cleaning roller. The connector connects the pressure ribs and guide strips, and its lower surface near the cleaning roller is evenly distributed with filter holes. The vent cover covers the strip-shaped opening on the top wall of the cleaning head housing directly opposite the connector, which can prevent liquid water from overflowing and allow air to pass through. The pressure ribs, guide strips, the upper surface of the cleaning roller located between the pressure ribs and guide strips, and the two end walls of the cleaning head housing together enclose the open-type water tank. The two ends of the open-type water tank are respectively connected to the clean water tank and the wastewater tank of the floor scrubber. Users can easily clean the water tank by simply removing the vent cover.

[0052] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0053] 1. The pressure ribs and guide strips on the top wall of the area where the cleaning roller is installed on the cleaning head housing are connected by a connector, which makes full use of the limited space of the cleaning head assembly and the space of the water tank in the height direction to achieve the filtration function.

[0054] 2. Wastewater can be filtered through the connector to prevent large particles of debris brought into the water tank by the cleaning roller and undissolved particles of debris in the wastewater from clogging the wastewater channel leading to the wastewater tank, thereby avoiding water leakage during the use of the floor scrubber.

[0055] 3. Since the filtration function of the external filtration device is achieved inside the water tank, the pipeline connection between the filtration device and the water tank and sewage tank is eliminated, further optimizing the sewage channel pipeline and improving the efficiency of manufacturing floor scrubbers.

[0056] 4. After the floor scrubber has been used for a period of time, a certain amount of large particles or sticky debris will accumulate in the water tank. Users can easily remove the vent cover located on the top wall of the cleaning head housing facing the water tank to clean the water tank thoroughly. The vent cover is breathable but not water-permeable, so the water tank will not smell due to poor air circulation after the floor scrubber has not been used for a long time.

[0057] 5. The pressure ribs and guide strips are no longer constrained by the structure of the cleaning head housing. The pressure ribs and / or guide strips can be easily installed on the cleaning head housing through the docking mechanism. Users can choose pressure ribs and guide strips of different shapes according to different usage scenarios. After a period of use, when the pressure ribs and guide strips have a certain wear, it is only necessary to remove the corresponding pressure ribs and guide strips for replacement. Attached Figure Description

[0058] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0059] Figure 1 This is a perspective view of the cleaning head assembly of the present invention;

[0060] Figure 2 for Figure 1 A planar view along line A shows the layout of the internal components of the cleaning head assembly of the present invention;

[0061] Figure 3 for Figure 1 A partial cross-sectional view along line B shows the cross-sectional structure of the open cleaning tank of the present invention at one end wall near the cleaning head housing.

[0062] Figure 4 for Figure 2 The enlarged view at point C shows the cross-sectional structure of the open cleaning tank of the present invention at the other end wall near the cleaning head housing.

[0063] Figure 5 This is a perspective view of the cleaning head housing of the present invention, showing the overall structure of the open cleaning tank of the present invention between the two end walls of an embodiment of the cleaning head housing, as seen from the user's maintenance perspective;

[0064] Figure 6 for Figure 5A cross-sectional view along line D shows the cross-sectional structure of the open cleaning tank of the present invention at the middle part of the cleaning head housing embodiment;

[0065] Figure 7 for Figure 5 The enlarged view at point E shows the detailed structure of the open cleaning tank of the present invention between the two end walls of the cleaning head housing embodiment.

[0066] Figure 8 This is a front view of another embodiment of the cleaning head housing, showing the detailed structure of another embodiment of the open cleaning tank of the present invention between the two end walls of the other embodiment of the cleaning head housing;

[0067] Figure 9 This is a 3D view of the vent cover;

[0068] Figure label:

[0069] Cleaning head housing 1;

[0070] The cleaning head housing body 10, pressure rib 101, guide bar 102, connector 103, Z-shaped lower end 1031, filter through hole 10311, Z-shaped vertical section 1032, Z-shaped upper end 1033, open through groove 10331, handle mounting part 104;

[0071] First end wall 11, sewage outlet 111;

[0072] Second end wall 12, clear water outlet 121;

[0073] Cleaning roller cover 13;

[0074] Large particle waste containment area J;

[0075] Semi-humid region F;

[0076] 2. Ventilation cover 2, 21. Ventilation cover body 22, sealing rim 23, ventilation cavity 23;

[0077] Brush component 3;

[0078] Cleaning roller 4, drive motor 4a, wiping layer 41;

[0079] Water tank assembly 5, clean water tank 51, wastewater tank 52;

[0080] Shovel assembly 6;

[0081] Waste collection component 7;

[0082] Rear wheel 8. Detailed Implementation

[0083] The claims of the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of the present invention.

[0084] It should be understood that, in the description of the embodiments of the present invention, all directional indicating terms, such as "up," "down," "left," "right," "front," and "back," indicate the orientation or positional relationship based on the orientation and positional relationship shown in the accompanying drawings or the orientation or positional relationship commonly used when the product is in use. These terms are merely for the purpose of simplifying the description of the present invention and do not explicitly or implicitly suggest that the device, element, or component referred to must have a specific orientation or specific orientational structure, and should not be construed as a limitation of the present invention. They are only used to explain the relative positional relationships and movements between the components shown in the accompanying drawings. When this specific orientation changes, the directional indication may also change accordingly.

[0085] Furthermore, in this invention, ordinal numbers such as "first" and "second" are used for distinguishing purposes only and should not be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, the features referred to as "first" and "second" may explicitly or implicitly include at least one of those technical features. In the description of this invention, "a plurality of" means at least two, i.e., two or more, unless otherwise explicitly defined; "at least one" means one or more.

[0086] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "setting," "connection," "fixing," and "screw-in" should be interpreted broadly. For example, they can refer to a relatively fixed positional relationship between components, or a physically fixed connection between components; they can be detachable connections or integral structures; they can be mechanical connections or electrical signal connections; they can be direct connections or indirect connections through intermediate media or components; they can refer to the internal communication of two elements or the interaction between two elements. Unless otherwise explicitly limited in the specification, other interpretations will not achieve the corresponding functions or effects. For those skilled in the art, the specific meaning of the above terms in this invention can be understood according to the specific circumstances.

[0087] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0088] The following will describe the scheme of this application in detail with reference to the accompanying drawings.

[0089] As analyzed in the background section of this application, the wastewater tanks of existing floor scrubbers are prone to clogging, and the water tanks tend to develop foul odors after prolonged periods of non-use. To address these technical problems, therefore, in the first aspect, as... Figures 1 to 7 As shown, this embodiment of the invention provides an open water tank, which is disposed inside the cleaning head housing 1 of a floor scrubber and mounted on the cleaning roller 4. The open water tank includes a pressure rib 101, a guide strip 102, a connector 103, and a vent cover 2. The pressure rib 101 and the guide strip 102 are disposed on the inner side of the top wall of the cleaning head housing 1, protruding toward and abutting against the cleaning roller 4. The connector 103 connects the pressure rib 101 and the guide strip 102, and has filter holes 10311 evenly distributed near the lower surface of the cleaning roller 4. The vent cover 2 covers the strip-shaped opening (not shown in the attached figure) on the top wall of the cleaning head housing 1, directly opposite the connecting member 103. This vent cover 2 prevents liquid water from overflowing while allowing air to pass through. The pressure rib 101, guide strip 102, the upper surface of the cleaning roller 4 located between the pressure rib 101 and guide strip 102, and the two end walls (11, 12) of the cleaning head housing 1 together enclose the open water tank (not shown in the attached figure). The two ends of the open water tank are respectively connected to the clean water tank 51 and the wastewater tank 52 of the floor scrubber. Users can easily clean the water tank by simply removing the vent cover 2. When the floor scrubber is not used for a long time, the open water tank is less likely to develop odors because the vent cover 2 allows air to pass through.

[0090] The cleaning head housing 1 provided in this embodiment includes a cleaning head housing body 10, a first end wall 11, a second end wall 12, and a cleaning roller cover 13. The cleaning roller cover 13 is disposed on the cleaning head housing body 10 to cover the cleaning roller 4 of the floor scrubber. The cleaning head housing body 10 includes a pressure rib 101, a guide strip 102, and a connector 103. The pressure rib 101 and the guide strip 102 are both disposed on the cleaning head housing body 10, and the pressure rib 101 and the guide strip 102 are connected to the cleaning roller 4 installed in the cleaning head housing 1. The roller 4 abuts against each other to form a water tank. The pressure rib 101 is used to squeeze out excess water from the cleaning roller 4. The guide strip 102 is used to prevent the sewage squeezed out from the cleaning roller 4 from flowing into the garbage collection assembly 7. When the cleaning roller 4 cleans the ground, the pressure rib 101 contacts the cleaning roller 4 and squeezes the cleaning roller 4. At the same time, the connector 103 connecting the pressure rib 101 and the guide strip 102 can filter the particles in the sewage to prevent sewage from entering the sewage tank, thereby avoiding the sewage tank from being blocked. The cleaning roller cover 13 also includes a locking mechanism (not shown in the figure) provided on the cleaning roller cover 13. When the user needs to maintain and clean the water tank, the user can easily remove the locking mechanism to remove the cleaning roller cover 13 from the cleaning head housing 1. When it is necessary to install it back onto the cleaning head housing 1, it can be securely closed by multiple locking points (not shown in the figure). The cleaning roller cover 13 is also provided with a long hollow groove (not shown in the figure), and the venting cavity 23 of the vent cover 2 passes through the hollow groove.

[0091] In this embodiment, the connector 103 between the pressure rib 101 and the guide strip 102 is mainly used to filter sewage and prevent particles in the sewage from flowing into the sewage tank of the floor scrubber. That is to say, the connector 103 can be set between the pressure rib 101 and the guide strip 102 and before the sewage tank inlet. Its specific actual position can be selected according to the actual application. This embodiment does not make a specific limitation.

[0092] In one or more alternative embodiments, the cross-section of the connector 103 gradually decreases in distance from the surface of the cleaning roller 4, starting from where it connects to the guide bar 102 and moving in the direction pointing towards the pressure rib 101.

[0093] In this embodiment, as Figure 3 , Figure 4As shown, the cross-section of the connector 103 gradually decreases in distance from the surface of the cleaning roller 4 from the connection point of the guide bar 102 along the direction pointing towards the pressure rib 101, until the connector 103 connects to the pressure rib 101, and the pressure rib 101 elastically abuts against the surface of the cleaning roller. Preferably, the connection point of the connector 103 to the pressure rib 101 is higher than the surface of the cleaning roller 4, which can prevent dirt from accumulating in the gap at the connection point during the use of the floor scrubber. The cross-section of the connector 103 gradually decreases in distance from the surface of the cleaning roller 4 from the connection point of the guide bar 102 along the direction pointing towards the pressure rib 101. This allows the wiping layer 41 of the cleaning roller 4 to have a certain buffer space when viewed in the direction of rotation of the cleaning roller, before it is squeezed by the pressure rib 101. During the transition between the two states of not being squeezed to the maximum degree of squeezing, the wiping layer 41 can transition slowly and smoothly, so as to reduce the current of the drive motor 4a that drives the cleaning roller 4 of the floor scrubber during operation.

[0094] In one or more alternative embodiments, the cross-section of the connector 103 gradually decreases in distance from the surface of the cleaning roller 4 from the center along the direction pointing towards the pressure rib 101, while the cross-section remains constant in distance from the surface of the cleaning roller 4 from the center along the direction pointing towards the guide strip 102.

[0095] In this embodiment, as Figure 3 , Figure 4 As shown, the cross-section of the connector 103 gradually decreases in distance from the surface of the cleaning roller 4 from the center along the direction pointing towards the pressure rib 101 until the connector 103 connects to the pressure rib 101, and the pressure rib 101 elastically abuts against the surface of the cleaning roller. Preferably, the connection point of the connector 103 to the pressure rib 101 is higher than the surface of the cleaning roller 4, which can prevent dirt from accumulating in the gap at the connection point during the use of the floor scrubber. The gradual decrease in distance from the cross-section of the connector 103 from the surface of the cleaning roller 4 from the center along the direction pointing towards the pressure rib 101 provides a certain buffer space for the wiping layer 41 of the cleaning roller 4, which is not yet squeezed by the pressure rib 101 when viewed in the direction of rotation of the cleaning roller. During the transition between the two states of not being squeezed to the maximum degree of squeezing, the wiping layer 41 can transition slowly and smoothly, thereby reducing the current of the drive motor 4a that drives the cleaning roller 4 to rotate during operation. The reason for starting from the middle is to ensure that the lower surface of the section of the connector 103 from the connection point of the connector 103 to the middle of the connector 103 is always higher than the surface of the cleaning roller 4. In other words, there is a gap between the lower surface of this section of the connector 103 and the surface of the cleaning roller 4. This way, the clean water and wastewater flowing down from the filter through-hole 10311 will still have a certain initial velocity to continue to flush the surface of the wiping layer 41 in the gap, which is more conducive to improving cleaning efficiency.

[0096] In one or more alternative embodiments, the connector 103 has a Z-shaped cross-section, with a gap between the upper surface of its upper Z-shaped end 1033 and the top wall of the cleaning head housing 1, and a gap between the lower surface of its lower Z-shaped end 1031 and the cleaning roller 4.

[0097] In this embodiment, as Figures 3 to 8 As shown, the cross-section of the connector 103 is Z-shaped. A gap is left between the upper surface of the upper Z-shaped end 1033 of the connector 103 and the top wall of the cleaning head housing 1, and a gap is left between the lower surface of the lower Z-shaped end 1031 of the connector 103 and the cleaning roller 4. Figure 3 , Figure 4 As shown, combined with Figures 5 to 8 Looking at the open-top water tank, it is open at the top, with the vent cover 2 fitting over the top opening. The top wall of the cleaning head housing 1 refers to the vent cover 2. A gap exists between the upper surface of the Z-shaped upper end 1033 of the connector 103 and the vent cover 2, allowing for better airflow in the upper part of the water tank, preventing odors from easily developing inside. A gap also exists between the lower surface of the Z-shaped lower end 1031 of the connector 103 and the cleaning roller 4. This allows clean and dirty water flowing from the filter holes 10311 to continue rinsing the surface of the wiping layer 41 within this gap with a certain initial velocity, further improving cleaning efficiency.

[0098] In one or more alternative embodiments, the lower Z-shaped end 1031 of the cross-section of the connector 103 points toward the pressure rib 101 in an arc shape with the distance from the surface of the cleaning roller 4 gradually decreasing.

[0099] In this embodiment, as Figure 3 , Figure 4 As shown, the lower end 1031 of the Z-shaped cross-section of the connector 103 points towards the pressure rib 101 in an arc shape with the distance from the surface of the cleaning roller 4 gradually decreasing. This allows the wiping layer 41 of the cleaning roller 4 to have a certain buffer space when viewed along the rotation direction of the cleaning roller, before the wiping layer 41 in front of the pressure rib 101 is squeezed by the pressure rib 101. During the change between the two states of not being squeezed to the maximum degree of squeezing, the wiping layer 41 can slowly and smoothly transition, so as to reduce the current of the drive motor 4a that drives the cleaning roller 4 of the floor scrubber to rotate under the working state.

[0100] In one or more alternative embodiments, the connector 103 near the Z-shaped upper end 1033 and the Z-shaped vertical segment 1032 of the guide bar 102 gradually tightens toward the guide bar 102 from near at least one of the end walls (11, 12) until its cross-section changes from Z-shaped to L-shaped.

[0101] In some embodiments, such as Figure 5 As shown, the Z-shaped upper end 1033 and the Z-shaped vertical section 1032 of the connector 103, near the guide bar 102, gradually tighten towards the guide bar 102 from near the second end wall 12 until its cross-section changes from a Z-shape to an L-shape. Figure 3 , Figure 4 Let's take a look. The leading edge of the Z-shaped vertical section 1032 of the connector has a gap with the vertical surface of the guide strip 102. We call this vertical gap space the large particle waste containing area J. The cross-sections of the cleaning head assembly 1 at different positions along the axial direction of the cleaning roller 4 show that the width of the large particle waste containing area J gradually decreases as it moves towards the guide strip 102 until it becomes zero. At this point, the cross-section of the connector 103 becomes L-shaped. This allows the clean water outlet 121 on the second end wall 12 and the wastewater outlet 111 on the first end wall 11 to be staggered in the water outlet direction, preventing clean water from flowing directly into the wastewater outlet 111 along the upper surface of the connector 103. This improves the exchange efficiency of clean water and wastewater in the water tank, thereby increasing the cleaning efficiency of the floor scrubber.

[0102] In some embodiments, such as Figure 8 As shown, the Z-shaped upper end 1033 and the Z-shaped vertical section 1032 of the connector 103, near the guide bar 102, gradually tighten towards the guide bar 102 from near the end walls (11, 12) until its cross-section changes from a Z-shape to an L-shape. Figure 3 , Figure 4 , Figure 6 Let's take a look. The foremost surface of the Z-shaped vertical section 1032 of the connector has a gap with the vertical surface of the guide strip 102. We call this vertical gap space the large particle waste containing area J. The cross-section of the cleaning head assembly 1 at different positions in the axial direction of the cleaning roller 4 is shown. The cross-sectional width of the large particle waste containing area J gradually decreases as it moves towards the guide strip 102 until this width is reduced to zero. At this time, the cross-section of the connector 103 becomes L-shaped. The same technical solution and technical effect as in the previous embodiment will not be repeated here. The upper Z-shaped end 1033 and the Z-shaped vertical section 1032 of the connector 103 near the guide strip 102 gradually tighten towards the guide strip 102 from near the first end wall 11 until its cross-section changes from Z-shaped to L-shaped. This can widen the width of the sewage outlet 111 in the width direction of the water tank, making the sewage flow more smoothly, thereby further reducing the power of the floor scrubber's water pump and further reducing the power consumption and noise of the entire floor scrubber.

[0103] In one or more alternative embodiments, the pressure rib 101 is integrally formed with the cleaning head housing body 10, or is detachably connected to the cleaning head housing body 10.

[0104] In this embodiment, as Figures 2 to 8 As shown, during the manufacturing process, the cleaning head housing body 10 can be molded to form several protrusions on its surface. These protrusions can directly serve as pressure ribs 101 for pressing the cleaning roller 4. The structure of the end of the pressure rib 101 that elastically abuts against the cleaning roller 4 matches the structure of the cleaning roller 4, that is, the end of the pressure rib 101 that abuts against the cleaning roller 4 can be an arc-shaped end. Of course, the end of the pressure rib 101 that abuts against the cleaning roller 4 can be a non-arc-shaped end, such as a serrated end, a polygonal end, etc., which is not specifically limited in this embodiment. Preferably, the pressure rib 101 is a straight line with a single cross-sectional shape and is parallel to the axis of the cleaning roller 4. Furthermore, the pressure rib 101 can be tightened towards the inside of the water tank near the two end walls (not shown in the figure) to prevent water leakage from the entire cleaning head assembly due to excessive water pressure at the elastic abutment point between the water tank and the end wall when the cleaning roller 4 is tilted on the axial side of the cleaning roller 4. The term "tightening" has two meanings. The first meaning is that the pressure rib 101 tightens in the direction of narrowing the width of the water tank. The second meaning is that the pressure rib 101 extends in the direction of the axis of the cleaning roller 4 to increase the amount of interference fit for elastic contact. This dual meaning of "tightening in the direction of the water tank" can further improve the water tank's ability to prevent leakage when used at any angle.

[0105] In this embodiment, during the manufacturing process, the cleaning head housing body 10 can be molded to pre-reserve an interface for installing the pressure rib 101 on its surface. This interface, along with appropriate fasteners, allows for a detachable connection between the pressure rib 101 and the cleaning head housing body 10. The structure of the end of the pressure rib 101 that elastically abuts against the cleaning roller 4 matches the structure of the cleaning roller 4; that is, the end of the pressure rib 101 that abuts against the cleaning roller 4 can be either curved or non-curved. After a period of use, the pressure rib 101, due to its continuous elastic contact with the wiping layer 41 of the cleaning roller 4 during operation, will experience a certain degree of wear on both the pressure rib 101 and the wiping layer 41. Excessive wear will severely affect the cleaning efficiency of the entire floor scrubber. The cleaning roller 4 itself is designed as a consumable material and should be replaced after a period of use. However, because the hardness of the pressure rib 101 is much higher than that of the wiping layer 41, it usually experiences very little wear. However, over time, some wear will accumulate. When the wear reaches a certain point and no matter how many times the cleaning roller 4 is replaced, the initial cleaning efficiency of the floor scrubber cannot be achieved, then the pressure rib 101 should be replaced. Of course, the material used to manufacture the pressure rib 101 is not limited to non-metallic materials such as hard plastics. Moderately cost-effective hard metal materials can also be used to manufacture the pressure rib 101, such as aluminum alloy, magnesium alloy, magnesium-aluminum alloy, zinc alloy, and stainless steel. Regarding the interface form used when the pressure rib 101 is installed into the cleaning head housing body 10, those skilled in the art can use commonly used structures such as planar stepped structures, grooved or protruding interface structures, etc. This embodiment does not impose specific limitations.

[0106] In one or more alternative embodiments, the guide strip 102 is integrally formed with the cleaning head housing body 10, or is detachably connected to the cleaning head housing body 10.

[0107] In this embodiment, during the manufacturing process, the cleaning head housing body 10 can be molded to form several protrusions on its surface. These protrusions can also directly serve as guide strips 102 for preventing sewage squeezed out from the wiping layer 41 of the cleaning roller 4 from flowing into the waste collection assembly 7. The structure of the end of the guide strip 102 that elastically abuts against the cleaning roller 4 can also match the cleaning roller 4, that is, the end of the guide strip 102 that abuts against the cleaning roller 4 can be an arc-shaped end. Preferably, in order to increase the ability of the guide strip 102 to suppress the liquid being thrown outward by the cleaning roller 4 during high-speed rotation, the end of the guide strip 102 that elastically abuts against the wiping layer 41 can be configured as a crescent-shaped end (not shown in the figure) that abuts against the wiping layer 41 at both ends and arches outward from the wiping layer 41 at the middle. This crescent-shaped end has two pointed parts (not shown in the figure) that elastically abut against the wiping layer 41. Of course, to further reduce the resistance of the cleaning roller 4 during high-speed rotation, the guide strip 102 may only elastically abut against the toothed end of the wiping layer 41 at one end near the pressure rib 101. The other end tip allows the brush assembly 3 in the cleaning head assembly to directionally throw the brushed solid and sticky waste to the waste collection assembly 7 during high-speed rotation, preventing the brush assembly from throwing the waste back onto the surface of the wiping layer 41 after one rotation. Of course, the end of the guide strip 102 that elastically abuts against the wiping layer 41 can also be designed in any shape that can achieve the above function, such as sickle-shaped or wedge-shaped, and this embodiment does not make a specific limitation.

[0108] In this embodiment, as Figures 3 to 4 , Figure 6 As shown, during the manufacturing process, the cleaning head housing body 10 can be molded to pre-reserve an interface for installing the guide strip 102 on its surface. This interface, along with appropriate fasteners, allows for a detachable connection between the guide strip 102 and the cleaning head housing body 10. The guide strip 102 can also directly serve as a component to prevent wastewater squeezed out from the wiping layer 41 of the cleaning roller 4 from flowing into the waste collection assembly 7. The specific structure of the end of the guide strip 102 that elastically abuts against the cleaning roller 4 can be consistent with that described in the previous embodiment, and will not be repeated here. Figure 6 As shown, the cleaning head housing body 10 has a locking groove K for locking the guide strip 102 on the inner side facing the cleaning roller 4 and located between the pressure rib 101 and the brush assembly 3, as shown. Figures 3 to 4As shown, the guide bar 102 has a snap-fit ​​end (not shown in the figure) at the end opposite to the cleaning roller 4, which elastically snaps into the snap-fit ​​groove. Preferably, the two side walls where the snap-fit ​​end elastically snaps into the snap-fit ​​groove have elastic barb structures (not shown in the figure). These elastic barb structures allow the user to easily snap the snap-fit ​​end into the snap-fit ​​groove when replacing the guide bar 102. Preferably, the guide bar 102 is a straight line with a single cross-sectional shape and is parallel to the axis of the cleaning roller 4. Furthermore, the guide bar 102 can be tightened towards the inside of the water tank near the two end walls to prevent water leakage from the entire cleaning head assembly due to excessive water pressure at the elastic contact point between the water tank and the end wall when the cleaning roller 4 is tilted to the axial side of the cleaning head assembly. This "tightening" has two meanings, the same as the meaning of "tightening at both ends" of the pressure rib 101 discussed in the previous embodiment, and will not be repeated here.

[0109] In one or more alternative embodiments, one end of the connector 103 is connected to the reinforcing rib 101.

[0110] In this embodiment, the connector 103 is detachably connected to the end of the pressure rib 101 that abuts against the cleaning roller 4 and to the side facing the guide strip 102. The lower surface of the connector 103 extends along the surface of the roller assembly to the guide strip 102. The connector 103 can filter large particles of debris and undissolved particles of debris brought into the water tank by the cleaning roller 4. Over time, some sticky debris will inevitably accumulate on the upper and lower surfaces of the connector 103. The detachable connector 103 design allows the user to manually disassemble the connector 103 periodically for thorough cleaning when a simple high-water rinsing method is no longer sufficient, thus maintaining a healthy and hygienic home environment.

[0111] In one or more alternative embodiments, the connector 103 extends from the pressure rib 101 toward the guide strip 102, with a gap between the lower surface of the connector 103 and the surface of the cleaning roller 4, and the connector 103 is detachably connected to the pressure rib 101.

[0112] In this embodiment, the connector 103 is detachably connected to the end of the pressure rib 101 that abuts against the cleaning roller 4 and to the side facing the guide strip 102. A gap is left between the lower surface of the connector 103 and the upper surface of the wiping layer 41 of the cleaning roller 4, and the connector 103 extends to the guide strip 102. The gap between the lower surface of the connector 103 and the upper surface of the wiping layer 41 (not shown in the figures) forms a gap space, allowing the wastewater squeezed out by the pressure rib 101 in the gap space to further flush the upper surface of the wiping layer 41, without causing fine particulate matter to accumulate on the lower surface of the connector 103. Furthermore, this gap space allows air to circulate within it, preventing the accumulated waste in the space from becoming smelly due to prolonged sealing, even when the floor scrubber is not operating. The connector 103 has the functions described in the previous embodiments, and will not be repeated here.

[0113] Furthermore, in this embodiment, the extended end of the connector 103 (not shown in the figure) is provided with a connector extension hook (not shown in the figure) extending in the direction opposite to the normal of the surface of the roller assembly, and the foremost surface of the hook has a gap with the vertical surface of the guide bar 102 (not shown in the figure).

[0114] In this embodiment, the hook portion of the connector 103 extends away from the normal direction of the roller assembly surface to form a connector extension hook portion (not shown in the figure). When the user is mopping a floor with standing water using a floor scrubber, if the water sucked up by the cleaning roller 4 is squeezed out by the pressure rib 101 and the resulting wastewater flow in the water tank is too large, the connector extension hook portion can prevent the wastewater from overflowing the top of the connector extension hook portion extending away from the normal direction of the roller assembly surface. This forces the squeezed-out wastewater to be filtered by the connector 103 before being guided to the wastewater outlet 111 at one end of the water tank and further transported to the wastewater tank 52, thereby preventing the wastewater from bypassing the connector 103 and causing the wastewater channel to be blocked. Figures 3 to 8 As shown, the connector extension hook extends parallel to the upper surface of the wiping layer 41 until it connects with the guide strip 102. The portion between the connector extension hook and the guide strip 102 is called the connector extension connection portion (not shown in the figure). The connector extension connection portion reliably connects the connector extension hook and the guide strip 102. Of course, not all the opposing portions of the connector extension hook and the guide strip 102 need to be reliably connected. The connector extension connection portion can connect the opposing portions of the connector extension hook and the guide strip 102 at intervals along the axial direction of the cleaning roller 4. These intervals form the open channel 10331 of the water tank. Figure 3 , Figure 4As shown, there is a gap between the foremost surface of the connector extension hook and the vertical surface of the guide bar 102. We call this vertical gap space the large particle waste containing area J. This allows a small amount of large particle waste brought up by the cleaning roller 4 and not brushed off by the brush to be rolled into the water tank. This gap space can often accommodate these large particle wastes to be constantly turned over and "stayed" here. When the gap between the lower surface of the connector 103 and the wiping layer 41 is smaller than the diameter of the large particle waste, these large particle wastes are turned over and brought to the open channel 10331, which makes the volume of the gap space gradually increase. They are freely "restricted" in this space and will not be stuck in the narrow gap between the lower surface of the connector 103 and the wiping layer 41 for a long time. Moreover, once large particle waste is stuck in the gap between the lower surface of the connector 103 and the wiping layer 41, the large particle waste is easy to scratch the surface of the wiping layer 41, thereby shortening the service life of the cleaning roller 4.

[0115] In one or more alternative embodiments, such as Figures 2 to 8 As shown, the connector 103 is integrally formed with the cleaning head housing body 10.

[0116] Similarly, the protrusion formed during the manufacturing process of the cleaning head housing 10 can also serve as a connector 103 for filtering particulate matter in sewage. When the cleaning roller 4 is installed in the cleaning head housing 1, the protrusion also abuts against the cleaning roller 4. At the same time, the protrusion is provided with several filter holes 10311, and the sewage in the tank can be further filtered by the filter holes 10311. Only after the sewage is filtered can it be further transported to the sewage tank 52 through the sewage outlet 111 of the tank, thereby preventing the sewage channel from being blocked.

[0117] It should be noted that the filter through hole 10311 on the connector 103 can be formed during the molding process of the cleaning head housing body 10, or it can be set by machining after the cleaning head housing body 10 is molded. It can be selected according to the actual application, and this embodiment does not make specific limitations.

[0118] It should also be noted that the pressure rib 101, guide strip 102 and connector 103 can be injection molded simultaneously during the molding process of the cleaning head housing body 10, or they can be molded sequentially through multiple injection molding processes. In other words, the pressure rib 101, guide strip 102, connector 103 and cleaning head housing body 10 can be integrally molded.

[0119] In one or more alternative embodiments, one end of the connector 103 is disposed on the cleaning head housing body 10, and the other end abuts against the cleaning roller 4.

[0120] In this embodiment, the free end of the connector 103 elastically abuts against the surface of the wiping layer 41 of the cleaning roller 4, which can further suppress the sewage thrown out in a direction during the high-speed rotation of the cleaning roller 4 and the sewage squeezed out by the pressure rib 101 from splashing in the water tank, so that the sewage can slowly flow out through the filter through hole 10311 in the connector 103 and the lower surface of the connector 103. The outflowing sewage is further guided to the sewage outlet 111 of the water tank through the guide bar 102, and the sewage is further discharged to the sewage tank 52 through the sewage channel.

[0121] In one or more optional embodiments, the connector 103 is provided with a plurality of filter holes 10311 to isolate solid waste with a particle size larger than the pore size of the filter holes.

[0122] In this embodiment, as Figures 3 to 8 As shown, the filter through-hole 10311 of the connector 103 can be selected with different filter through-hole diameters according to different usage scenarios. Of course, when the connector 103 is detachably connected to the pressure rib 101, users can configure different connectors 103 according to their actual floor scrubber usage habits and scenarios. If users want to clean their homes more thoroughly with the floor scrubber, they can choose a connector 103 with a smaller filter through-hole diameter, but deep cleaning of the connector 103 will also be required more frequently. Conversely, although the cleaning ability of the floor scrubber may be weaker, the frequency of regular cleaning of the connector 103 will also be lower.

[0123] Furthermore, in some embodiments, such as Figure 3 , Figure 5 , Figure 6 , Figure 7 As shown, the cleaning head housing also includes a first end wall 11 and a second end wall 12 for clamping the cleaning roller 4, wherein a clean water outlet 121 is provided in the water tank area on the second end wall 12, and a wastewater outlet 111 is provided in the water tank area on the first end wall 11.

[0124] In this embodiment, as Figure 3 As shown, a clean water outlet 121 is provided on the second end wall 12 at one end of the water tank, such as... Figure 6 As shown, a sewage outlet 111 is provided on the first end wall 11 at the other end of the water tank, so that the clean water delivered from the clean water tank 51 can flow along the water tank. The clean water can also seep into the surface of the wiping layer 41 of the cleaning roller 4 through the connector 103. The surface of the wiping layer 41 is further scraped by the pressure rib 101, so that the fine particles of garbage mixed in the wiping layer 41 can be washed out by the clean water and replaced with sewage. Then the sewage is further guided to the sewage outlet 111 along the water tank and the upper surface of the guide bar 102. Finally, the sewage is discharged to the sewage tank 52 through the sewage channel.

[0125] Furthermore, in some embodiments, such as Figure 3 , Figures 5 to 7 As shown, the clean water outlet 121 is not directly opposite the sewage outlet 111 in the water outlet direction.

[0126] In this embodiment, as Figure 3 As shown, a clean water outlet 121 is provided on the second end wall 12 at one end of the water tank. This outlet 121 is positioned above the upper surface of the connector 103, facilitating the flow of clean water from the clean water tank 51 along the upper surface of the connector 103. Furthermore, the clean water outlet 121 can be circular, making it easier to select a circular pipe fitting for connecting the clean water channel pipeline. Alternatively, the outlet 121 can be rectangular; selecting an appropriate pipe fitting facilitates the connection of the clean water channel pipeline. Figure 6 , Figure 7 As shown, a sewage outlet 111 is provided on the first end wall 11 at the other end of the water tank. This sewage outlet 111 is positioned above the upper surface of the connector 103. The sewage outlet 111 covers the entire width of the water tank, thus reducing the resistance to sewage flow into the sewage channel due to the small pipe diameter. This allows the sewage to flow more smoothly, facilitating the easy and convenient discharge of sewage from the wiping layer 41 into the sewage channel after flowing along the upper surface of the connector 103. For example... Figure 7 As shown, combined with Figure 3 , Figure 6 Let's take a closer look. The clean water outlet 121 is not directly aligned with the sewage outlet 111 in the water discharge direction. This prevents the clean water just flowing from the clean water outlet 121 from flowing directly into the sewage outlet 111 along the upper surface of the connector 103. Ideally, all the clean water should pass through the connector 103 and undergo a water exchange process with the sewage in the wiping layer 41, thereby carrying away fine particulate matter trapped inside the wiping layer 41. This design, where the clean water outlet 121 is not directly aligned with the sewage outlet 111, results in a higher efficiency in water exchange between clean and sewage.

[0127] Of course, the clean water outlet 121 and / or the wastewater outlet 111 can also be set at a position lower than the lower surface of the connector 103. This solution provides a more direct rinsing of the surface of the wiping layer 41. However, with this solution, it is more difficult to control the dryness of the floor after the floor scrubber has mopped and swept the floor. Simply put, the floor will be more wet. Users can selectively adjust the positions of the clean water outlet 121 and the wastewater outlet 111 at both ends of the water tank according to their own usage scenarios.

[0128] In some embodiments, such as Figures 3 to 7As shown, the pressure rib 101, the guide strip 102, the upper surface of the cleaning roller 4 located between the pressure rib 101 and the guide strip 102, and the two end walls together form the water tank. A connector 103 is provided in the water tank, and the water tank is divided into a wetted area (not shown in the figure) and a semi-wetted area F by the connector 103. The wetted area is formed by the pressure rib 101, the guide strip 102, the upper surface of the cleaning roller 4 between the pressure rib 101 and the guide strip 102, the lower surface of the connector 103, and the two end walls. During the operation of the floor scrubber, regardless of the water flow rate in the water tank, the wetted area is always wet, naturally... This makes it easy for sticky debris to accumulate. The semi-wet zone F is formed by the upper surfaces of the pressure rib 101, the guide strip 102, and the connector 103, the lower surface of the top wall of the cleaning head housing located between the pressure rib 101 and the guide strip 102, and both end walls. During the operation of the floor scrubber, the water pump intermittently sprays water from the clean water tank 51 into the water tank. When the water flow is low, most areas of the side walls of the pressure rib 101, the side walls of the guide strip 102, and the top wall of the cleaning head housing in the semi-wet zone F are dry. At this time, only the upper surface of the connector 103 has the opportunity to be wet, and only the upper surface of the connector 103 is relatively easy to accumulate sticky debris. In daily use, if a certain amount of sticky debris accumulates in the wet zone and the semi-wet zone F, it will affect the cleaning efficiency of the floor scrubber. Users need to remove the vent cover 2 and clean the wet zone and the semi-wet zone F in a timely manner.

[0129] In some embodiments, the connector 103 is disposed at one end of the water tank near the wastewater tank 52. Specifically, by disposing of the connector 103 at one end of the water tank near the wastewater tank 52, the amount of unfiltered wastewater flowing into the wastewater tank 52 from the end of the cleaning roller 4 near the wastewater tank inlet can be reduced.

[0130] In some embodiments, such as Figures 2 to 8 As shown, the connector 103 is arranged parallel to both the pressure rib 101 and the guide bar 102. This means that the connector 103 is not connected to either the pressure rib 101 or the guide bar 102. The connector 103 divides the water trough between the guide bar 102 and the pressure rib 101 into two water troughs. The water trough closer to the guide bar 102 is connected to the wastewater tank 52. When the pressure rib 101 squeezes the cleaning roller 4, excess water on the cleaning roller 4 flows through the connector 103 into the water trough formed between the connector 103 and the guide bar 102, and then into the wastewater tank 52.

[0131] In some embodiments, such as Figure 3 , Figure 4As shown, the distance between the end of the pressure rib 101 near the cleaning roller 4 and the end near the cleaning head housing body 10 is greater than the distance between the end of the guide strip 102 near the cleaning roller 4 and the end near the cleaning head housing body 10. Simply put, the pressure rib 101 squeezes the wiping layer 41 more deeply, while the guide strip 102 squeezes the wiping layer 41 less deeply. This design makes it easier for the pressure rib 101 to scrape and squeeze the wiping layer 41 to discharge wastewater, while the guide strip 102 more easily and elastically abuts against the wiping layer 41 to guide the squeezed-out wastewater towards the wastewater outlet 111.

[0132] In one or more alternative embodiments, such as Figures 3 to 8 As shown, the top of the cleaning head housing 10, directly opposite the water tank, has an opening (not shown in the attached diagram). The cleaning head assembly also includes a vent cover 2 that seals over the top opening of the cleaning head housing 10. The vent cover 2 includes a vent cover body 21 and a sealing edge 22. The vent cover body 21 also has a ventilation cavity 23. The sealing edge 22 around the perimeter of the vent cover body 21 seals over the top opening of the cleaning head housing 10. When the user drags the cleaning head assembly to mop the floor, to prevent the clean and dirty water in the water tank from being agitated and spilling onto the floor, the vent cover body 21 of the vent cover 2 has sealing edges 22 around its perimeter. The sealing edges 22 seal over the top opening of the cleaning head housing 10, thus preventing liquid water from overflowing and allowing air to pass through. When the user needs to further clean the water tank after using the floor scrubber for a period of time, the user can remove the vent cover 2 to rinse the inside of the water tank. The ventilation cavity 23 is transparent, so users can see the flow of clean water and sewage inside the water tank directly through the ventilation cavity 23 without having to remove the ventilation cover 2 one by one.

[0133] In some embodiments, the locking mechanism of the cleaning roller cover 13 includes a pair of elastic locking plates (not shown in the figures) disposed on both sides of the cleaning roller cover 13, the elastic locking plates being provided with a first locking tongue (not shown in the figures), and the two end walls (first end wall 11 and second end wall 12) of the cleaning head housing 1 being provided with a pair of first locking holes (not shown in the figures) corresponding to the elastic locking plates.

[0134] In this embodiment, a pair of elastic locking pieces are provided at the elastic contact points between the two sides of the cleaning roller cover 13 and the two end walls (first end wall 11, second end wall 12) of the cleaning head housing 1. These elastic locking pieces can be spring pieces made of other materials that are typically understood by those skilled in the art to snap onto the two end walls. Alternatively, they can be hooks that are injection-molded together with the cleaning roller cover 13 and can produce a certain degree of elastic deformation. The elastic locking pieces are provided with a first locking tongue, and the two end walls of the cleaning head housing 1 are provided with a pair of first locking holes corresponding to the elastic locking pieces. The specific forms of the first locking tongue and the first locking holes are not limited by this application, as long as they can achieve a smooth and stable locking action. The design of the elastic locking pieces on both sides of the cleaning roller cover 13 allows the user to easily align the cleaning roller cover 13 with the desired closing position on the cleaning head housing 1. After closing, the user can hear a crisp locking sound or feel a slight vibration indicating that the cleaning roller cover 13 has been closed, conveniently reminding the user that the closing action of the cleaning roller cover 13 is complete.

[0135] In some embodiments, the locking mechanism further includes an elastic locking rod assembly (not shown in the figure) disposed on the inner side of the top wall of the cleaning roller cover 13, which can extend and retract to both ends of the cleaning head housing 1. Each end of the elastic locking rod assembly is provided with a second locking tongue (not shown in the figure), and the two ends of the cleaning head housing 1 are provided with a pair of second locking holes (not shown in the figure) corresponding to the second locking tongue.

[0136] In this embodiment, the inner side of the top wall of the cleaning roller cover 13 is provided with an elastic locking rod assembly (not shown in the figure) that can simultaneously extend and retract to both ends of the cleaning head housing 1. Each end of the elastic locking rod assembly has a second locking tongue. The extension or retraction of the two locking tongues can be controlled by two elastic buttons located in the recessed area at the top of the cleaning roller cover 13. The two ends of the cleaning head housing 1 have a pair of second locking holes corresponding to the locking tongues. When the user needs to close the cleaning roller cover 13 onto the cleaning head housing 1, in addition to the automatic locking of the aforementioned elastic locking piece, another step requires the user to continue pressing down on the cleaning roller cover 13 until the two locking tongues of the elastic locking rod assembly automatically pop out under elastic action and lock into the second locking holes on both ends of the end wall. Only then is the closing action of the cleaning roller cover 13 reliably completed. Figure 6As shown, the two locking tongues of the elastic locking rod assembly are wider than the first locking tongue in the width direction and also higher than the first locking tongue in the height direction. Simply put, the second locking tongue can withstand a much greater impact force in all directions after it is engaged than the first locking tongue. The reliable and stable locking force that truly provides the cleaning roller cover 13 to the cleaning head housing 1 mainly comes from the second locking tongue of the elastic locking rod assembly. When the user needs to remove the cleaning roller cover 13, they first need to press the two elastic buttons at the recessed top of the cleaning roller cover 13 to control the retraction of the two locking tongues, and then they can simply lift the entire cleaning roller cover 13 upwards with force.

[0137] In one or more alternative embodiments, such as Figure 2 , Figure 5 , Figure 6 , Figure 8 As shown, the cleaning head housing 10 also includes a handle mounting part 104, to which the floor scrubber handle (not shown in the figure) can be rotatably connected.

[0138] Secondly, such as Figures 1 to 2 As shown, the present invention also provides a cleaning head assembly, which includes a cleaning head housing 1 having the open cleaning tank described in the first aspect, a cleaning roller 4, and a water tank assembly 5. The cleaning head housing 1 has a first end wall 11 and a second end wall 12 for holding the cleaning roller 4, and both end walls are provided with water flow channels connecting to the open cleaning tank. The cleaning roller 4 is held between the two end walls of the cleaning head housing 1. The cleaning roller 4 includes a drive motor 4a mounted on one end wall and a cleaning roller (not shown in the figure) sleeved on the output end of the drive motor. The outer surface of the cleaning roller is sleeved with a wiping layer 41. The water tank assembly 5 can be installed and removed from one end wall of the cleaning head housing 1. The water tank assembly 5 includes a clean water tank 51 and a wastewater tank 52 connected to the open cleaning tank. The cleaning head assembly also includes a pair of rear wheels 8 mounted on the cleaning head housing 10. The pair of rear wheels 8, together with a pair of auxiliary wheels (not shown in the figure) mounted on the bottom of the cleaning head housing 10 and the cleaning roller 4, bear the weight of the entire cleaning head assembly. Under the driving force of the drive motor 4a sleeved in the cleaning roller 4, and with the user's own pushing and pulling, the floor scrubber can freely mop and sweep the floor.

[0139] Specifically, the cleaning head assembly includes a cleaning head housing 1, a drive motor 4a mounted on one end wall of the cleaning head housing 1, a cleaning roller 4 sleeved on the drive motor 4a, a water tank assembly 5 that can be installed and removed from one side of the cleaning head housing 1, a shovel assembly 6 that can be slidably installed and removed from the bottom of the cleaning head housing 1 to guide the garbage to be lifted by the cleaning roller 4, and a brush assembly 3 installed inside the cleaning head housing 1 and synchronously driven by the cleaning roller 4. The drive motor 4a drives the cleaning roller 4 to rotate, thereby synchronously driving the brush assembly 3 to rotate. The brush assembly 3 is used to brush and sweep the solid and sticky garbage lifted by the cleaning roller 4.

[0140] Thirdly, the present invention also provides a floor scrubbing machine, which includes the cleaning head assembly and handle described above. The floor scrubbing machine can be moved by pushing the handle to clean the area to be cleaned.

[0141] Specifically, the floor scrubber provided in this application operates as follows: When the floor scrubber is turned on, the drive motor 4a starts working, and the water system operates simultaneously. When the drive motor 4a rotates, it drives the cleaning roller 4 to rotate, thereby driving the brush assembly 3 to rotate. After the water system is working, clean water is delivered to the surface of the cleaning roller 4 through the clean water tank 51 of the water tank assembly 5 and the clean water pipes (not shown in the attached diagram), wetting the surface of the cleaning roller 4. Simultaneously, the wiping layer 41 of the cleaning roller 4 rolls and cleans the floor. The scraper assembly 6 is slidably mounted on the cleaning head housing 1 and closely follows the cleaning roller 4. The waste collection component 7 is located behind the cleaning roller 4 and below the brush component 3. When the wiping layer 41 of the cleaning roller 4 rolls and cleans the ground, the waste on the ground is scooped up by the shovel component 6. Through the gap between the shovel component 6 and the wiping layer 41 of the cleaning roller 4, and through the friction of the wiping layer 41, the waste is carried into the waste collection component 7. At the same time, the brush component 3 contacts the wiping layer 41 of the cleaning roller 4, and the brush component 3 sweeps away the waste remaining on the wiping layer 41 of the cleaning roller 4, sweeping the waste into the waste collection component 7, thus collecting the ground waste. In addition, when the floor scrubber is working, clean water is continuously supplied to the surface of the wiping layer 41 of the cleaning roller 4. The clean water after cleaning the wiping layer 41 of the cleaning roller 4 is replaced by wastewater through the connector 103. The wastewater enters the wastewater pipe (not shown in the attached figure) through the water tank and is transported to the wastewater tank 52 of the water tank component 5 for collection.

[0142] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An open sink to be mounted on a cleaning roller, characterized in that, The utility model relates to a cleaning head assembly of a garbage disposal device, which comprises: a pressing rib and a guide strip, both of which are arranged on the inner side of the top wall of the cleaning head shell and protrude towards the cleaning roller and abut against the cleaning roller, the pressing rib scrapes off the dirt and sewage on the cleaning roller, and the guide strip guides the sewage to flow away and also prevents the squeezed sewage on the cleaning roller from flowing into the garbage collection assembly; a connecting piece, which connects the pressing rib and the guide strip and is located before the inlet of the sewage tank, has uniformly distributed filtering through holes near the lower surface of the cleaning roller, and can filter the particles in the sewage to prevent the sewage from entering the sewage tank; wherein the pressing rib, the guide strip, the upper surface of the cleaning roller between the pressing rib and the guide strip, and the two end walls of the cleaning head shell jointly enclose an open sink, and the filtering function is realized by fully utilizing the space of the sink in the height direction.

2. The open sink of claim 1, wherein, The cross section of the connecting piece gradually reduces the distance from the surface of the cleaning roller in the direction pointing to the pressing rib from the middle or the connecting part of the guide strip until the connecting piece is connected to the pressing rib; Preferably, the cross section of the connecting piece keeps constant distance from the surface of the cleaning roller in the direction pointing to the guide strip from the middle; Preferably, the connecting part of the connecting piece connected to the pressing rib is higher than the surface of the cleaning roller; Preferably, the cross section of the connecting piece is in the shape of Z, the upper surface of the upper end of the Z is left a gap with the top wall of the cleaning head shell, and the lower surface of the lower end of the Z is left a gap with the cleaning roller; Preferably, the lower end of the Z of the cross section of the connecting piece points to the pressing rib in the shape of an arc with gradually reduced distance from the surface of the cleaning roller; Preferably, the upper end of the Z and the vertical section of the Z of the connecting piece near the guide strip gradually tighten towards the guide strip from near at least one of the two end walls until the cross section of the connecting piece changes from the shape of Z to the shape of L.

3. The open sink of claim 1, wherein, The pressing rib is integrally formed with the cleaning head shell, or the pressing rib is detachably connected with the cleaning head shell. Preferably, the end of the pressing rib abutting against the cleaning roller can be an arc-shaped end or a non-arc-shaped end.

4. The open sink of claim 2, wherein, The pressing rib is in the shape of a straight line with a single cross section and is parallel to the axis of the cleaning roller, or the pressing rib is tightened towards the inside of the sink near the two end walls. Preferably, the pressing rib is tightened towards the direction of reducing the width of the sink in the width direction of the sink. Preferably, the pressing rib extends towards the axis of the cleaning roller to increase the interference fit amount of elastic abutment.

5. The open sink of claim 1, wherein, The guide strip is integrally formed with the cleaning head shell.

6. The open sink of claim 1, wherein, The guide strip is integrally formed with the cleaning head shell, or the guide strip is detachably connected with the cleaning head shell. Preferably, the end of the guide strip abutting against the cleaning roller can be an arc-shaped end. Preferably, the end of the guide strip elastically abutting against the wiping layer of the cleaning roller is set as a crescent-shaped end with at least one end abutting against the wiping layer and the middle part arched outwards away from the wiping layer. Preferably, the crescent-shaped end has two sharp parts elastically abutting against the wiping layer. Preferably, the crescent-shaped end has one sharp part elastically abutting against the wiping layer and one sharp part facilitating the brush assembly in the cleaning head assembly to orientally throw out the solid garbage and sticky garbage under the brush to the garbage collection assembly during high-speed rotation. Preferably, the cleaning head shell body is provided with a clamping groove for clamping the guide strip on the inner side thereof towards the cleaning roller and between the pressing rib and the brush assembly in the cleaning head assembly, the guide strip is provided with a clamping end part on the other end thereof away from the cleaning roller, and the clamping end part is elastically clamped with the clamping groove. Preferably, the guide strip is straight and has a single cross-sectional shape and is parallel to the axis of the cleaning roller, or the guide strip is tapered inward toward the interior of the sink near the two end walls; Preferably, the guide strip is tapered inward toward the direction in which the width of the sink is reduced; Preferably, the guide strip extends toward the axis of the cleaning roller to increase the amount of interference fit of the elastic abutment.

7. The open sink of claim 1, wherein, The connecting piece is detachably connected to the side of the rib that abuts against the cleaning roller and faces the guide strip, the lower surface of the connecting piece extends toward the guide strip along the surface of the cleaning roller, and the lower surface of the connecting piece and the surface of the cleaning roller have a gap therebetween; Preferably, the extending end of the connecting piece is provided with a hook portion that extends away from the normal direction of the surface of the cleaning roller, and the frontmost end surface of the hook portion has a gap with the vertical surface of the guide strip; Preferably, the connecting piece is integrally formed with the cleaning head housing.

8. The open sink of claim 2, wherein, The vertical section of the Z-shaped cross section of the connecting piece has a gap with the vertical surface of the guide strip, forming a vertical surface gap space that can accommodate large particles of garbage; Preferably, the cross-sectional width of the vertical surface gap space gradually decreases as it advances toward the guide strip until the width is reduced to zero; Preferably, the upper surface of the upper end of the Z-shaped cross section of the connecting piece is provided with a plurality of strip-shaped open grooves, and the open grooves have a periphery wall that extends upward from the upper surface of the cleaning roller between the rib and the guide strip to the inner wall of the vent cover, enclosing a plurality of open spaces that can accommodate and confine large particles of garbage; Preferably, the open sink is arranged inside the cleaning head housing of the scrubber; Preferably, the cleaning head housing includes a cleaning head housing body, a first end wall, a second end wall, and a cleaning roller cover; The cleaning head housing body includes a rib, a guide strip, and a connecting piece, and the rib and the guide strip are arranged on the cleaning head housing body; The cleaning roller cover is arranged on the cleaning head housing body to cover the cleaning roller; Preferably, the cleaning roller cover further includes a locking mechanism arranged on the cleaning roller cover, which can be easily unlocked when the open sink needs to be maintained and cleaned, and the cleaning roller cover can be removed from the cleaning head housing, and when the cleaning head housing needs to be installed, the cleaning head housing can be stably closed through a plurality of locking points; Preferably, the open sink further includes: A vent cover arranged on the strip-shaped opening of the cleaning head housing in the area opposite the connecting piece, which can prevent liquid water from overflowing and allow air to pass through; Preferably, the two ends of the open sink are connected to the clean water tank and the sewage tank of the scrubber through the end walls of the two cleaning head housings, and the user only needs to remove the vent cover to conveniently clean the open sink; Preferably, the cleaning roller cover is further provided with a long hollow slot, and the vent cavity of the vent cover passes through the hollow slot; Preferably, there is a gap between the upper surface of the upper end of the Z-shaped cross section of the connecting piece and the vent cover.

9. A cleaning head assembly characterized by, It includes: A cleaning head housing having an open sink as claimed in any one of claims 1-8 and two end walls clamping the cleaning roller, and the two end walls are provided with water flow channels connected to the open sink; A cleaning roller clamped between the two end walls of the cleaning head housing, including a driving motor arranged on one end wall and a cleaning drum sleeved on the output end of the driving motor; A water tank assembly that can be installed, removed, and placed from one end wall of the cleaning head housing, including a clean water tank and a sewage tank connected to the open sink.

10. A scrubber, characterized in that The cleaning head assembly as claimed in claim 9. The cleaning head assembly as claimed in claim 9.

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