Water tank, cleaning head assembly and scrubber

Abstract

The utility model provides a water tank, a cleaning head assembly and a scrubber, the water tank is arranged in a cleaning head shell of the scrubber and erected above a cleaning roller, the water tank comprises a pressing rib, a guide strip and a connecting piece, 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 uniformly distributed in the lower surface, close to the cleaning roller, of the connecting piece, and the water tank can ventilate outwards; 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 water tank, the two ends of the water tank are connected with a clean water tank and a sewage tank of the floor washing machine respectively, and the water tank fully utilizes the space in the height direction of the water tank to achieve the filtering function.

Description

[0001] This application is a divisional application of Chinese Patent Application No. 202420027932.4 with the theme name of "Open sink, cleaning head assembly and floor washer", the content of which is incorporated herein by reference. Technical Field

[0002] The utility model relates to the technical field of cleaning equipment, in particular to a sink, a cleaning head assembly and a floor washer. Background Art

[0003] With the gradual improvement of living standards, people's requirements for the quality of life are also getting higher and higher. More and more people lay delicate floors or tiles on the ground of their houses. When the floors or tiles are stained and need to be cleaned, the traditional method is to use a broom, a mop or a bucket for cleaning. This method is time-consuming and laborious, and cannot arouse people's interest in cleaning work, which is not conducive to maintaining the cleanliness of the indoor environment. Therefore, there is a floor washer. A floor washer is a cleaning appliance suitable for cleaning hard floors while sucking up sewage and taking the sewage away from the site.

[0004] Currently, the sewage generated by the floor washer when cleaning the ground usually flows into the sewage tank through a sink in the floor washer. However, there are usually undissolved particles in the sewage, which easily cause the sewage tank to be blocked after the sewage flows into the sewage tank. On the other hand, after a certain amount of garbage accumulates in the sink, when the user is on a business trip or travels for a period of time, due to the poor air circulation in the sink, the cleaning roller in this section of the sink is prone to stink. When the user resumes using the floor washer to mop the floor for the first time after not using the floor washer for a long time, the stench will be brought to the cleaned ground, and the customer experience is very poor. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides an open sink, a cleaning head assembly and a floor washer, aiming to solve the problems of easy blockage of the sewage tank of the floor washer and stinking in the sink after not using the floor washer for a long time in the prior art.

[0006] To solve the above technical problems, in the first aspect, the utility model provides an open sink, which is arranged inside the cleaning head housing of the floor washer and is mounted above the cleaning roller. It is characterized in that it includes:

[0007] Reinforcing ribs and guide bars are both arranged on the inner side of the top wall of the cleaning head housing protruding towards the cleaning roller and abutting against it. The reinforcing ribs scrape off the dirt and sewage on the cleaning roller, and the guide bars guide the sewage to drain away;

[0008] A connecting piece connects the reinforcing ribs and the guide bars, and filter through holes are evenly distributed on its upper surface;

[0009] The breathable cover is provided on the strip-shaped opening between the bead and the guide bar on the top wall of the cleaning head housing, which can inhibit the outward overflow of liquid water and allow air to pass through;

[0010] Wherein, the bead, the guide bar, and the upper surface of the cleaning roller between the bead and the guide bar jointly enclose the open water tank, and the two ends of the open water tank are respectively connected to the clean water tank and the sewage tank of the floor washer.

[0011] In one or some alternative embodiments, the connection seams where the connecting member is connected to the bead and the guide bar do not abut against the cleaning roller.

[0012] In one or some alternative embodiments, the cross-section of the connecting member gradually decreases in distance from the surface of the cleaning roller along the direction pointing from the connection with the guide bar to the bead.

[0013] In one or some alternative embodiments, the cross-section of the connecting member gradually decreases in distance from the surface of the cleaning roller along the direction pointing from the middle to the bead, and the distance from the surface of the cleaning roller along the direction pointing from the middle to the guide bar remains constant.

[0014] In one or some alternative embodiments, the cross-section of the connecting member is Z-shaped, and there is a gap between the upper surface of the upper end of the Z-shape and the top wall of the cleaning head housing, and there is a gap between the lower surface of the lower end of the Z-shape and the cleaning roller.

[0015] In one or some alternative embodiments, the lower end of the Z-shape of the cross-section of the connecting member points to the bead and is in an arc shape with a gradually decreasing distance from the surface of the cleaning roller.

[0016] In one or some alternative embodiments, the upper end and the vertical section of the Z-shape of the connecting member near the guide bar gradually tighten towards the guide bar direction starting from at least one of the two end walls, until its cross-section changes from Z-shaped to L-shaped.

[0017] In one or some alternative embodiments, the bead is integrally formed with the cleaning head housing or is detachably connected to the cleaning head housing.

[0018] In one or some alternative embodiments, the guide bar is integrally formed with the cleaning head housing or is detachably connected to the cleaning head housing.

[0019] In one or some alternative embodiments, there is a gap between the vertical section of the Z-shape of the cross-section of the connecting member and the vertical surface of the guide bar, and the gap can accommodate large particle garbage.

[0020] In one or some alternative embodiments, a plurality of strip-shaped open through grooves are spaced on the upper surface of the zigzag upper end of the cross-section of the connecting member. Starting from the upper surface of the cleaning roller between the bead and the guide bar and extending upward along the peripheral walls of the plurality of open through grooves until reaching the inner wall of the air-permeable cover, a plurality of open spaces for accommodating and defining large particulate garbage are enclosed.

[0021] In a second aspect, the present utility model further provides a cleaning head assembly, which includes:

[0022] A cleaning head housing having the above-mentioned open water tank and two end walls for clamping the cleaning roller, and water flow channels connecting the open water tank are provided on both end walls;

[0023] A cleaning roller clamped between the two end walls of the cleaning head housing, including a driving motor installed on one end wall and a cleaning drum sleeved on the output end of the driving motor;

[0024] A water tank assembly that can be installed, removed, and placed in and out from one end wall of the cleaning head housing, including a clean water tank and a sewage tank connecting the open water tank.

[0025] In a third aspect, the present utility model further provides a floor washer, which includes the cleaning head assembly described in the second aspect.

[0026] The present utility model provides an open cleaning tank, a cleaning head assembly, and a floor washer. The open water tank is arranged inside the cleaning head housing of the floor washer and is erected above the cleaning roller. It includes a bead, a guide bar, a connecting member, and an air-permeable cover. The bead and the guide bar protrude from the inner side of the top wall of the cleaning head housing towards the cleaning roller and are in contact with it; the connecting member connects the bead and the guide bar, and filter through holes are evenly distributed on its lower surface close to the cleaning roller. The air-permeable cover covers the strip-shaped opening in the area of the top wall of the cleaning head housing opposite to the connecting member, which can inhibit the outward overflow of liquid water and adjust the internal and external pressure difference; the bead, the guide bar, the upper surface of the cleaning roller between the bead and the guide bar, and the two end walls of the cleaning head housing jointly enclose the open water tank, and the two ends of the open water tank are respectively connected to the clean water tank and the sewage tank of the floor washer. When the user cleans the water tank, only the air-permeable cover needs to be removed for convenient cleaning.

[0027] Compared with the prior art, the beneficial effects of the present utility model are:

[0028] 1. A connecting member is connected between the bead and the guide bar provided on the top wall of the area of the cleaning head housing corresponding to the installation of the cleaning roller, making full use of the limited space of the cleaning head assembly and realizing the filtering function by making full use of the space of the water tank in the height direction.

[0029] 2. The sewage can be filtered through the connecting piece to prevent large particle garbage brought into the water tank by the cleaning roller and undissolved particle garbage in the sewage from blocking in the sewage channel where the sewage flows to the sewage tank, thereby avoiding water leakage during the use of the floor washer.

[0030] 3. Since the filtering function of the filtering device outside the water tank is realized inside the water tank, the pipeline connection between the filtering device and the water tank and the sewage tank is saved, the pipeline of the sewage channel is further optimized, and the production efficiency of the floor washer is improved.

[0031] 4. After the floor washer is used for a period of time, a certain amount of large particle garbage or sticky garbage accumulates in the water tank. The user only needs to easily remove the ventilation cover covering the top wall of the cleaning head housing facing the water tank, and then the water tank can be conveniently and thoroughly cleaned. The ventilation cover is breathable but not water-permeable, so the water tank will not stink due to poor air circulation after the floor washer is not used for a long time.

[0032] 5. The ribbing and guide strips are no longer restricted by the structure of the cleaning head housing. The cleaning head housing can easily install the ribbing and / or guide strips through the docking mechanism. The user can select ribbing and guide strips with different shapes according to different usage scenarios. After the ribbing and guide strips are worn to a certain extent after being used for a period of time, only the corresponding ribbing and guide strips need to be removed and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0034] Figure 1 is a perspective view of the cleaning head assembly of the present invention;

[0035] Figure 2 is Figure 1 a sectional view taken along the direction A in [[ID=]], showing the layout of the internal components of the cleaning head assembly of the present invention;

[0036] Figure 3 is Figure 1 a partial sectional view taken along the direction B in [[ID=]], showing the cross-sectional structure of the open cleaning tank of the present invention at one end wall close to the cleaning head housing;

[0037] Figure 4 is Figure 2 a partial enlarged view at C in [[ID=]], showing the cross-sectional structure of the open cleaning tank of the present invention at the other end wall close to the cleaning head housing;

[0038] Figure 5 This is a perspective view of the cleaning head housing of the present utility model, showing the overall structure of the open cleaning tank of the present utility model between the two end walls of the cleaning head housing embodiment as seen from the perspective of user maintenance;

[0039] Figure 6 is Figure 5 the sectional view taken along the direction D in [the figure], showing the cross-sectional structure of the open cleaning tank of the present utility model at the middle part of the cleaning head housing embodiment;

[0040] Figure 7 is Figure 5 the partial enlarged view at E in [the figure], showing the detailed structure of the open cleaning tank of the present utility model between the two end walls of the cleaning head housing embodiment,

[0041] Figure 8 the 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 utility model between the two end walls of another embodiment of the cleaning head housing;

[0042] Figure 9 is the perspective view of the air-permeable cover;

[0043] Reference numerals:

[0044] Cleaning head housing 1;

[0045] Cleaning head housing body 10, bead 101, guide bar 102, connecting member 103, Z-shaped lower end 1031, filter through-hole 10311, Z-shaped vertical section 1032, Z-shaped upper end 1033, open through-slot 10331, handle mounting portion 104;

[0046] First end wall 11, sewage outlet 111;

[0047] Second end wall 12, clean water outlet 121;

[0048] Cleaning roller cover 13;

[0049] Large particle garbage storage area J;

[0050] Semi-wetting area F;

[0051] Air-permeable cover 2, air-permeable cover body 21, sealing eaves 22, air-permeable cavity 23;

[0052] Brush assembly 3;

[0053] Cleaning roller 4, drive motor 4a, wiping layer 41;

[0054] Water tank assembly 5, clean water tank 51, sewage tank 52;

[0055] Scraper bar assembly 6;

[0056] Garbage collection component 7;

[0057] Rear wheel 8. Specific implementation mode

[0058] The following further elaborates on the claims of the present utility model in conjunction with specific embodiments and the attached drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts also fall within the scope of protection of the present utility model.

[0059] It should be understood that in the description of the embodiments of the present utility model, all terms indicating directional indications, such as "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation and positional relationship shown in the drawings or the orientation and positional relationship in which the product of the present utility model is usually placed during use. It is only for the convenience of simplifying the description of the present utility model, rather than explicitly or implicitly indicating that the device, element or component must have a specific orientation and a specific orientation structure. It should not be construed as a limitation of the present utility model. It is only used to explain the relative positional relationship and movement conditions between the components under the condition shown in the drawings. When this specific posture changes, the directional indication may also change accordingly.

[0060] In addition, the ordinal numbers in the present utility model, such as "first", "second", etc., are only used for distinguishing purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the technical features indicated. Thus, the features defined by "first" and "second" may explicitly or implicitly include at least one of such technical features. In the description of the present utility model, the meaning of "a plurality" is at least two, that is, two or more, unless otherwise clearly defined; the meaning of "at least one" is one or more.

[0061] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "setting", "connection", "fixation", "swivel connection", etc. should be understood in a broad sense. For example, it can be either that the positional relationship between components is relatively fixed, or that there is a physically fixed connection between components. It can be either a detachable connection or an integral structure; it can be either a mechanical connection or an electrical signal connection; it can be either directly connected or indirectly connected through an intermediate medium or component; it can be either the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined in the specification, when other understandings cannot achieve the corresponding functions or effects, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0062] The preferred embodiments of the present utility model will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, and are not used to limit the present utility model.

[0063] The solution of the present application will be described in detail below in conjunction with the accompanying drawings.

[0064] As analyzed in the background art of the present application, the sewage tank of the existing floor washer is prone to blockage, and the water tank is prone to odor when not used for a long time. To solve the above technical problems, therefore, in the first aspect, as Figures 1 to 7 shown, the embodiment of the present utility model provides an open water tank, which is arranged inside the cleaning head housing 1 of the floor washer and is mounted on the cleaning roller 4. The open water tank includes a bead 101, a guide strip 102, a connecting member 103, and a breathable cover 2; the bead 101 and the guide strip 102 are arranged on the inner side of the top wall of the cleaning head housing 1 and protrude towards the cleaning roller 4 and abut against it; the connecting member 103 connects the bead 101 and the guide strip 102, and filter through holes 10311 are evenly distributed on the lower surface thereof close to the cleaning roller 4; the breathable cover 2 covers the strip-shaped opening on the top wall of the cleaning head housing 1 between the bead and the guide strip, and the breathable cover 2 can inhibit the outward overflow of liquid water and allow air to pass through; the bead 101, the guide strip 102, the upper surface of the cleaning roller 4 located between the bead 101 and the guide strip 102, and the two end walls (11, 12) of the cleaning head housing 1 jointly enclose the open water tank (not marked in the drawings), and the two ends of the open water tank are respectively connected to the clean water tank 51 and the sewage tank 52 of the floor washer. When the user cleans the water tank, only the breathable cover 2 needs to be removed for convenient cleaning. When the user does not use the floor washer for a long time, since the breathable cover 2 can allow air to pass through, the open water tank is not prone to odor.

[0065] 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 washer. The cleaning head housing body 10 includes bead ribs 101, guide strips 102, and a connecting member 103. The bead ribs 101 and the guide strips 102 are both provided on the cleaning head housing body 10. The bead ribs 101 and the guide strips 102 are both in contact with the cleaning roller 4 installed in the cleaning head housing 1 to form a water trough. The bead ribs 101 are used to squeeze out the excess water on the cleaning roller 4, and the guide strips 102 are used to block 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 bead ribs 101 are in contact with the cleaning roller 4 and squeeze the cleaning roller 4. At the same time, the connecting member 103 connected between the bead ribs 101 and the guide strips 102 can filter the particles in the sewage to prevent the sewage from entering the sewage tank, thereby avoiding the blockage of the sewage tank. The cleaning roller cover 13 further includes a locking mechanism (not shown in the drawings) provided on the cleaning roller cover 13. When the user needs to maintain and clean the water trough, the cleaning roller cover 13 can be easily removed from the cleaning head housing 1 by unlocking. When it needs to be installed back on the cleaning head housing 1, it can be firmly covered on the cleaning head housing 1 through multiple locking points (not shown in the drawings). A long strip-shaped hollow groove (not shown in the drawings) is also provided on the cleaning roller cover 13, and a part of the air permeable cavity 23 of the air permeable cover 2 just passes through this hollow groove.

[0066] In this embodiment, the connecting member 103 provided between the bead ribs 101 and the guide strips 102 is mainly used to filter the sewage to prevent the particles in the sewage from flowing into the sewage tank in the floor washer. That is to say, the connecting member 103 can be provided between the bead ribs 101 and the guide strips 102 and before the entrance of the sewage tank. Its specific actual position can be selected according to actual applications, and this embodiment does not make specific limitations.

[0067] In one or some alternative embodiments, the connecting seams where the connecting member 103 is connected to the bead ribs 101 and the guide strips 102 are not in contact with the cleaning roller 4.

[0068] That is to say, the positions of the connecting seams (not shown in the drawings) where the connecting member 103 is connected to the bead ribs 101 and the guide strips 102 are higher than the upper surface of the cleaning roller 4, so as to prevent dirt and grime from accumulating in the gaps at these two connection points during the use of the floor washer.

[0069] In one or some alternative embodiments, the cross-section of the connecting member 103 gradually decreases in distance from the surface of the cleaning roller 4 along the direction pointing to the bead ribs 101 starting from the connection with the guide strip 102.

[0070] In this embodiment, as Figure 3 、Figure 4 As shown, the cross-section of the connecting member 103 starts from the connection part connecting the guide bar 102 and gradually shrinks in the direction pointing to the rib 101 away from the surface of the cleaning roller 4 until the connecting member 103 is connected to the rib 101, and the rib 101 is elastically abutted against the surface of the cleaning roller. Preferably, the connection part where the connecting member 103 connects to the rib 101 is higher than the surface of the cleaning roller 4, so as to prevent dirt from accumulating in the gap at this connection part during the use of the floor washer. The cross-section of the connecting member 103 gradually shrinks in the direction pointing to the rib 101 away from the surface of the cleaning roller 4 starting from the connection part connecting the guide bar 102. In this way, for the wiping layer 41 of the cleaning roller 4, when looking along the rotation direction of the cleaning roller, the wiping layer 41 on the front side of the rib 101 that has not been squeezed by the rib 101 can have a certain buffer space. During the change process between the state of not being squeezed and the state of being squeezed to the maximum extent, the wiping layer 41 can make a slow and smooth transition, so as to reduce the current in the working state of the drive motor 4a that drives the cleaning roller 4 of the floor washer.

[0071] In one or some alternative embodiments, the cross-section of the connecting member 103 gradually shrinks in the direction pointing to the rib 101 away from the surface of the cleaning roller 4 starting from the middle, and the distance from the middle of its cross-section to the surface of the cleaning roller 4 in the direction pointing to the guide bar 102 remains constant.

[0072] In this embodiment, as Figure 3 、 Figure 4 As shown, the cross-section of the connecting member 103 starts from the middle and gradually shrinks in the direction pointing to the rib 101 away from the surface of the cleaning roller 4 until the connecting member 103 is connected to the rib 101, and the rib 101 is elastically abutted against the surface of the cleaning roller. Preferably, the connection part where the connecting member 103 connects to the rib 101 is higher than the surface of the cleaning roller 4, so as to prevent dirt from accumulating in the gap at this connection part during the use of the floor washer. The cross-section of the connecting member 103 gradually shrinks in the direction pointing to the rib 101 away from the surface of the cleaning roller 4 starting from the middle. In this way, for the wiping layer 41 of the cleaning roller 4, when looking along the rotation direction of the cleaning roller, the wiping layer 41 on the front side of the rib 101 that has not been squeezed by the rib 101 can have a certain buffer space. During the change process between the state of not being squeezed and the state of being squeezed to the maximum extent, the wiping layer 41 can make a slow and smooth transition, so as to reduce the current in the working state of the drive motor 4a that drives the cleaning roller 4 of the floor washer. The reason for starting from the middle is to ensure that the lower surface of the section of the connecting member from the connection part where the connecting member 103 connects to the guide bar 102 to the middle of the connecting member 103 is definitely higher than the surface of the cleaning roller 4, that is, there is a gap between the lower surface of this section of the connecting member 103 and the surface of the cleaning roller 4. In this way, the clear water, sewage flowing down from the filter through-hole 10311 still has a certain initial velocity to continue to wash the surface of the wiping layer 41 in this gap, which is more conducive to improving the cleaning efficiency.

[0073] In one or some alternative embodiments, the cross-section of the connecting member 103 is Z-shaped, and there is a gap between the upper surface of the upper end 1033 of the Z-shape and the top wall of the cleaning head housing 1, and there is a gap between the lower surface of the lower end 1031 of the Z-shape and the cleaning roller 4.

[0074] In this embodiment, as Figures 3 to 8 shown, the cross-section of the connecting member 103 is Z-shaped, and there is a gap between the upper surface of the upper end 1033 of the Z-shape of the connecting member 103 and the top wall of the cleaning head housing 1, and there is a gap between the lower surface of the lower end 1031 of the Z-shape of the connecting member 103 and the cleaning roller 4. As Figure 3 , Figure 4 shown, in combination Figures 5 to 8 it can be seen that the overall shape of the open sink is open at the top, and the ventilation cover 2 covers the top opening of the open sink. The top wall of the cleaning head housing 1 mentioned here actually refers to the ventilation cover 2. There is a gap between the upper surface of the upper end 1033 of the Z-shape of the connecting member 103 and the ventilation cover 2, which can make the air in the upper space of the sink circulate more easily, so that it is not easy to stink in the sink at any time. There is a gap between the lower surface of the lower end 1031 of the Z-shape of the connecting member 103 and the cleaning roller 4, so that the clear water, sewage flowing down from the filter through-hole 10311 still has a certain initial velocity to continue to wash the surface of the wiping layer 41 in this gap, which is more conducive to improving the cleaning efficiency.

[0075] In one or some alternative embodiments, the lower end 1031 of the Z-shape of the cross-section of the connecting member 103 points to the bead 101 and is in an arc shape with a gradually decreasing distance from the surface of the cleaning roller 4.

[0076] In this embodiment, as Figure 3 , Figure 4 shown, the lower end 1031 of the Z-shape of the cross-section of the connecting member 103 points to the bead 101 and is in an arc shape with a gradually decreasing distance from the surface of the cleaning roller 4. In this way, for the wiping layer 41 of the cleaning roller 4, when looking along the rotation direction of the cleaning roller, the wiping layer 41 on the front side of the bead 101 that has not been squeezed by the bead 101 can have a certain buffer space, and during the change process from the state where it has not been squeezed to the state where it is squeezed to the maximum extent, the wiping layer 41 can transition slowly and smoothly, so as to reduce the current in the working state of the drive motor 4a that drives the cleaning roller 4 of the floor washer to rotate.

[0077] In one or some alternative embodiments, the upper end 1033 of the Z-shape and the Z-shaped vertical section 1032 of the connecting member 103 close to the guide bar 102 gradually narrow towards the direction of the guide bar 102 starting from at least one of the two end walls (11, 12) until its cross-section changes from Z-shaped to L-shaped.

[0078] In some embodiments, as Figure 5 shown, the Z-shaped upper end 1033 and the Z-shaped vertical section 1032 of the connecting member 103 close to the guide bar 102 gradually narrow towards the guide bar 102 starting from near the second end wall 12 until its cross-section changes from Z-shaped to L-shaped. Combining Figure 3 、 Figure 4 together, there is a gap between the frontmost surface of the Z-shaped vertical section 1032 of the connecting member and the vertical surface of the guide bar 102. We call this vertical surface gap space the large particle garbage accommodation area J. Cross-sections of the cleaning head assembly 1 at different positions in the axial direction of the cleaning roller 4 show that the cross-sectional width dimension of the large particle garbage accommodation area J gradually decreases as it advances towards the guide bar 102 until this width dimension reduces to zero. At this time, the cross-section of the connecting member 103 becomes L-shaped. This can stagger the clear water outlet 121 on the second end wall 12 and the sewage outlet 111 on the first end wall 11 in the water outlet direction in the water tank, so as to prevent the clear water from directly flowing into the sewage outlet 111 along the upper surface of the connecting member 103. This can improve the replacement efficiency of the clear water and sewage in the water tank, and thus improve the cleaning efficiency of the floor washer.

[0079] In other embodiments, as Figure 8 shown, the Z-shaped upper end 1033 and the Z-shaped vertical section 1032 of the connecting member 103 close to the guide bar 102 gradually narrow towards the guide bar 102 starting from near the two end walls (11, 12) until its cross-section changes from Z-shaped to L-shaped. Combining Figure 3 、 Figure 4 、 Figure 6 together, there is a gap between the frontmost surface of the Z-shaped vertical section 1032 of the connecting member and the vertical surface of the guide bar 102. We call this vertical surface gap space the large particle garbage accommodation area J. Cross-sections of the cleaning head assembly 1 at different positions in the axial direction of the cleaning roller 4 show that the cross-sectional width dimension of the large particle garbage accommodation area J gradually decreases as it advances towards the guide bar 102 until this width dimension reduces to zero. At this time, the cross-section of the connecting member 103 becomes L-shaped. The same technical solutions and technical effects as in the previous embodiments will not be elaborated here. The Z-shaped upper end 1033 and the Z-shaped vertical section 1032 of the connecting member 103 close to the guide bar 102 gradually narrow towards the guide bar 102 starting 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, make the sewage flow more smoothly, thereby further reducing the power of the floor washer pump and further reducing the power consumption and noise of the whole floor washer.

[0080] In one or some alternative embodiments, the bead 101 is integrally formed with the cleaning head housing body 10 or detachably connected to the cleaning head housing body 10.

[0081] In some embodiments, as Figures 2 to 8 shown, during the manufacturing process of the cleaning head housing body 10, several protrusions can be formed on its surface through die forming, and these protrusions can directly serve as the beads 101 for pressing the cleaning roller 4. The structure of the end of the bead 101 that elastically abuts against the cleaning roller 4 is matched with the cleaning roller 4, that is to say, the end of the bead 101 that abuts against the cleaning roller 4 can be an arc-shaped end. Of course, the end of the bead 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 bead 101 is a straight line with a single cross-sectional shape and is parallel to the axis of the cleaning roller 4. Further, the bead 101 can be tightened in the direction towards the inside of the water tank near the two end walls (not marked in the drawings) to prevent the entire cleaning head assembly from leaking due to excessive water pressure at the elastic abutment between the water tank and the end wall when the entire cleaning head assembly tilts axially towards one side of the cleaning roller 4. This "tightening" has two meanings. The first meaning is that the bead 101 tightens in the width direction of the water tank towards the direction of reducing the width of the water tank. The first meaning is that the bead 101 extends in the axial direction of the cleaning roller 4 to increase the interference fit amount of the elastic abutment. This "tightening in the direction towards the inside of the water tank" with these two meanings can further improve the water leakage prevention ability of the entire water tank when used at any angle.

[0082] In some embodiments, during the manufacturing process of the cleaning head housing body 10, it can be formed by a mold to reserve an interface for installing the rib 101 on its surface. When necessary, relevant fasteners are used in cooperation with this installation interface to achieve the detachable connection between the rib 101 and the cleaning head housing body 10. The structure of the end of the rib 101 that elastically abuts against the cleaning roller 4 matches that of the cleaning roller 4. That is to say, the end of the rib 101 that abuts against the cleaning roller 4 can be an arc end or a non-arc end. After being used for a period of time, since the rib 101 has been elastically abutting against the wiping layer 41 of the cleaning roller 4 during operation, both the rib 101 and the wiping layer 41 will be worn to a certain extent. When the wear reaches a certain level, it will seriously affect the cleaning efficiency of the entire floor washer. The cleaning roller 4 itself is positioned as a consumable that is prone to wear, and it should be replaced after being used for a period of time. However, since the hardness of the rib 101 itself is much higher than that of the wiping layer 41, usually the degree of wear is very small. Over time, there will also be a small amount of wear. When the wear reaches a certain level and the initial cleaning efficiency of the floor washer cannot be achieved no matter how a new cleaning roller 4 is replaced, it is time to replace the rib 101. At this time, the rib 101 should be replaced in a timely manner. Of course, the material for manufacturing the rib 101 is not limited to non-metallic materials such as hard plastics. Hard metal materials with moderate costs can also be used for manufacturing the rib 101, such as aluminum alloy, magnesium alloy, magnesium-aluminum alloy, zinc alloy, stainless steel, etc. As for the interface form used when the rib 101 is installed on the cleaning head housing body 10, those skilled in the art can adopt common forms such as a flat step structure, an interface structure with grooves or protrusions, etc. This embodiment does not make specific limitations.

[0083] In one or some alternative embodiments, the guide bar 102 is integrally formed with the cleaning head housing body 10 or is detachably connected to the cleaning head housing body 10.

[0084] In some embodiments, during the manufacturing process of the cleaning head housing body 10, it can be formed by a mold to form several protrusions on its surface. The protrusions can also directly serve as guide strips 102 for blocking the sewage extruded from the wiping layer 41 of the cleaning roller 4 from flowing into the garbage collection assembly 7. The structure of the end of the guide strip 102 elastically abutted against the cleaning roller 4 can also be matched with the cleaning roller 4. That is to say, the end of the guide strip 102 abutted against the cleaning roller 4 can be an arc-shaped end. Preferably, in order to increase the ability of the guide strip 102 to inhibit the cleaning roller 4 from throwing out liquid outward during high-speed rotation, the end of the guide strip 102 elastically abutted against the wiping layer 41 can be set as a crescent-shaped end (not marked in the drawing) with both ends abutting against the wiping layer 41 and the middle arching outward away from the wiping layer 41. The crescent-shaped end has two pointed parts (not marked in the drawing) elastically abutted against the wiping layer 41. Of course, in order to further reduce the resistance of the cleaning roller 4 during high-speed rotation, only the pointed part of the end of the guide strip 102 elastically abutted against the crescent-shaped end of the wiping layer 41 near the bead 101 can be elastically abutted against the wiping layer 41. The other pointed part can facilitate the brush assembly 3 in the cleaning head assembly to directedly throw out the solid garbage and sticky garbage brushed off during high-speed rotation into the garbage collection assembly 7, preventing the brush assembly from throwing the garbage back onto the surface of the wiping layer 41 again after rotating one circle. Of course, the end of the guide strip 102 elastically abutted against the wiping layer 41 can also be designed into any shape that can achieve the above functions, such as a sickle shape or a wedge shape, which is not specifically limited in this embodiment.

[0085] In some embodiments, as Figures 3 to 4 , Figure 6 shown, during the manufacturing process of the cleaning head housing body 10, it can be formed by a mold to reserve an interface for installing the guide strip 102 on its surface. By using this installation interface and cooperating with relevant fasteners when necessary, the detachable connection between the guide strip 102 and the cleaning head housing body 10 can be realized. The guide strip 102 can also directly serve as a component for blocking the sewage extruded from the wiping layer 41 of the cleaning roller 4 from flowing into the garbage collection assembly 7. The specific structure of the end of the guide strip 102 elastically abutted against the cleaning roller 4 can be the same as that described in the foregoing embodiments, and will not be repeated here. As Figure 6 shown, a clamping groove K for clamping the guide strip 102 is provided on the inner side of the cleaning head housing body 10 facing the cleaning roller 4 and between the bead 101 and the brush assembly 3. As Figures 3 to 4As shown, the guide strip 102 is provided with a clamping end (not marked in the drawings) at the other end away from the cleaning roller 4, and the clamping end is elastically clamped with the clamping groove. Preferably, elastic barb structures (not marked in the drawings) are provided on both side walls where the clamping end is elastically clamped with the clamping groove, and the elastic barb structures facilitate the user to easily snap the clamping end into the clamping groove when replacing the guide strip 102. Preferably, the guide strip 102 is a straight line with a single cross-sectional shape and is parallel to the axis of the cleaning roller 4. Further, the guide strip 102 can be tightened towards the inside of the water tank near the two end walls, so as to prevent the entire cleaning head assembly from leaking water due to excessive water pressure at the elastic contact between the water tank and the end wall when the entire cleaning head assembly tilts axially towards one side of the cleaning roller 4. This "tightening" has two meanings, which are the same as the "tightening at both ends" of the bead 101 discussed in the foregoing embodiments and will not be repeated here.

[0086] In one or some alternative embodiments, one end of the connecting member 103 is connected to the bead 101.

[0087] In this embodiment, the connecting member 103 is detachably connected to the side of the bead 101 that abuts against the cleaning roller 4 and faces the guide strip 102. The lower surface of the connecting member 103 extends towards the guide strip 102 along the surface of the roller assembly. The connecting member 103 can filter large particulate garbage and undissolved particulate garbage in the sewage brought into the water tank by the cleaning roller 4. During long-term use, sticky garbage deposits will inevitably form on the upper and lower surfaces of the connecting member 103. The detachable design of the connecting member 103 facilitates the user to disassemble the connecting member 103 by himself at regular intervals for thorough cleaning when simply flushing with a large amount of water can no longer thoroughly clean the connecting member 103, so as to keep the user's home environment healthy and hygienic.

[0088] In one or some alternative embodiments, the connecting member 103 extends from the side of the bead 101 facing the guide strip 102 towards the guide strip 102, and there is a gap between the lower surface of the connecting member 103 and the surface of the cleaning roller 4, and the connecting member 103 is detachably connected to the bead 101.

[0089] In this embodiment, the connecting member 103 is detachably connected to one end of the bead 101 in contact with the cleaning roller 4 and on the side facing the guide bar 102. A gap is left between the lower surface of the connecting member 103 and the upper surface of the wiping layer 41 of the cleaning roller 4, and the connecting member 103 extends towards the guide bar 102. A gap (not marked in the drawings) is left between the lower surface of the connecting member 103 and the upper surface of the wiping layer 41, forming a gap space, which allows the sewage extruded by the bead 101 in the gap space to have the opportunity to further wash the upper surface of the wiping layer 41, and does not cause fine particle garbage to deposit on the lower surface of the connecting member 103. On the other hand, this gap space allows the air in the space to circulate, so that even when the floor washer is not working, the garbage deposited in this space will not stink due to long-term sealing. The connecting member 103 has the functions described in the foregoing embodiments and will not be elaborated here.

[0090] Further, in this embodiment, an extension hook portion of the connecting member (not marked in the drawings) extending away from the normal direction of the surface of the roller assembly is provided at the extending end of the connecting member 103, and a gap (not marked in the drawings) is left between the frontmost surface of the hook portion and the vertical surface of the guide bar 102.

[0091] In this embodiment, the hook portion of the connecting member 103 extends away from the normal direction of the surface of the roller assembly to form an extension hook portion of the connecting member (not marked in the drawings). When the user uses the floor washer to sweep a waterlogged ground, when the sewage flow generated in the water tank is too large when the water sucked up by the cleaning roller 4 is extruded by the bead 101, the extension hook portion of the connecting member can prevent the sewage from overflowing over the top of the extension hook portion of the connecting member extending away from the normal direction of the surface of the roller assembly. In this way, the extruded sewage must be filtered by the connecting member 103 before being guided to the sewage outlet 112 at one end of the water tank and then further transported to the sewage tank 52, thereby preventing the sewage channel from being blocked due to the sewage bypassing the connecting member 103. As Figures 3 to 8 shown, the extension hook portion of the connecting member continues to extend in a direction parallel to the upper surface of the wiping layer 41 until it is connected to the guide bar 102. The portion between the extension hook portion of the connecting member and the guide bar 102 is called the extension connecting portion of the connecting member (not marked in the drawings). The extension connecting portion of the connecting member reliably connects the extension hook portion of the connecting member and the guide bar 102. Of course, not all the relative parts of the extension hook portion of the connecting member and the guide bar 102 need to be reliably connected. The extension connecting portion of the connecting member can connect the relative parts of the extension hook portion of the connecting member and the guide bar 102 at intervals along the axial direction of the cleaning roller 4. This spaced portion forms the open through slot 10331 of the water tank. As Figure 3 、 Figure 4As shown, there is a gap between the frontmost surface of the extension hook portion of the connecting member and the vertical surface of the guide bar 102. We call this vertical surface gap space the large particle waste accommodation area J. In this way, a small amount of large particle waste that is brought up by the cleaning roller 4 and not brushed off by the brush can be lifted into the water tank. This gap space can often accommodate these large particle wastes and keep them "staying" and being continuously flipped here. When the gap between the lower surface of the connecting member 103 and the wiping layer 41 is smaller than the diameter of the large particle waste, these large particle wastes are flipped and brought to the open through groove 10331 where the volume of this gap space gradually becomes larger, and are freely "restricted" in this space, so as not to be stuck in the narrow gap between the lower surface of the connecting member 103 and the wiping layer 41 for a long time. Moreover, once the large particle waste is stuck in the gap between the lower surface of the connecting member 103 and the wiping layer 41, the large particle waste is likely to scratch the surface of the wiping layer 41, thereby shortening the service life of the cleaning roller 4.

[0092] In one or some alternative embodiments, as Figures 2 to 8 shown, the connecting member 103 and the cleaning head housing body 10 are integrally formed.

[0093] Similarly, the protrusion formed during the manufacturing process of the cleaning head housing body 10 can also be used as the connecting member 103 for filtering particulate waste in the sewage. After the cleaning roller 4 is installed in the cleaning head housing 1, this protrusion also abuts against the cleaning roller 4. At the same time, a number of filtering through holes 10311 are provided on this protrusion. The sewage in the water tank can be further filtered by the filtering through holes 10311, and only after being filtered can the sewage pass through the sewage outlet 111 of the water tank and be further transported to the sewage tank 52, thereby preventing the sewage channel from being blocked.

[0094] It should be noted that the filtering through holes 10311 on the connecting member 103 can be formed during the molding process of the cleaning head housing body 10, or can be set by machining after the cleaning head housing body 10 is molded, and it can be selected according to actual applications. This embodiment does not make specific limitations.

[0095] It should also be noted that the ribbing 101, the guide bar 102, and the connecting member 103 can be integrally injection molded in a single shot during the molding process of the cleaning head housing body 10. Of course, they can also be formed in sequence by multiple injection molding methods. That is to say, the ribbing 101, the guide bar 102, the connecting member 103, and the cleaning head housing body 10 can be integrally formed.

[0096] In one or some alternative embodiments, one end of the connecting member 103 is provided on the cleaning head housing body 10, and the other end abuts against the cleaning roller 4.

[0097] In this embodiment, the free end of the connecting member 103 elastically abuts against the surface of the wiping layer 41 of the cleaning roller 4, which can further prevent the sewage that is directionally thrown out during the high-speed rotation of the cleaning roller 4 and the sewage squeezed out through the pressing rib 101 from splashing in the sink, so that the sewage can slowly flow out through the filtering through hole 10311 in the connecting member 103 and the lower surface of the connecting member 103, and the outflowing sewage is further guided to the sewage outlet 111 of the sink through the guide bar 102, and the sewage is further discharged to the sewage tank 52 through the sewage channel.

[0098] In one or some optional embodiments, a plurality of filter holes 10311 are evenly distributed on the connecting member 103 to isolate solid waste with a particle size larger than the aperture of the filter holes.

[0099] In this embodiment, if Figures 3 to 8 As shown, the pore size of the filter through hole 10311 of the connector 103 can be selected according to different usage scenarios. Connectors 103 with different filter through hole diameters can be selected. Of course, when the connector 103 is detachably connected to the rib 101, the user can configure different connectors 103 according to different scenarios based on their actual habits and scenarios of using the floor scrubber. If the user wants to use the floor scrubber to mop the house more cleanly, the connector 103 with a smaller filter through hole diameter can be selected, but the deep cleaning of the connector 103 also needs to be more frequent. On the contrary, although the cleaning ability of the floor scrubber may be weaker, the frequency of regular cleaning of the connector 103 will also be lower.

[0100] Furthermore, in some embodiments, Figure 3 , Figure 5 , Figure 6 , Figure 7 As shown, the cleaning head housing further 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 sewage outlet 111 is provided in the water tank area on the first end wall 11.

[0101] In this embodiment, if Figure 3 As shown, a clean water outlet 121 is provided on the second end wall 12 at one end of the water tank. Figure 6 As shown, a sewage outlet 111 is provided on the first end wall 11 at the other end of the water trough, so that the clean water transported from the clean water tank 51 can flow along the water trough, and the clean water can penetrate into the surface of the wiping layer 41 of the cleaning roller 4 through the connecting piece 103, and the surface of the wiping layer 41 is further scraped and squeezed by the ribs 101, so that the fine particles of garbage mixed in the wiping layer 41 are flushed out with clean water and the sewage is replaced, and then the sewage is further guided to the sewage outlet 111 along the water trough and the upper surface of the guide bar 102, and the sewage is finally discharged to the sewage tank 52 through the sewage channel.

[0102] Further, in some embodiments, such as Figure 3 , Figures 5 to 7 shown, the clean water outlet 121 is not directly opposite to the sewage outlet 112 in the water outlet direction.

[0103] In this embodiment, as Figure 3 shown, a clean water outlet 121 is provided on the second end wall 12 at one end of the water tank. The clean water outlet 121 is provided at a position higher than the upper surface of the connecting member 103, facilitating the clean water transported from the clean water tank 51 to flow along the upper surface of the connecting member 103. Further, the clean water outlet 121 can be set to be circular, which is convenient for selecting a circular pipe joint to connect the clean water channel pipeline. Of course, the clean water outlet 121 can be set to be rectangular, and it is only necessary to select an appropriate pipe joint to facilitate the connection of the clean water channel pipeline. As Figure 6 , Figure 7 shown, a sewage outlet 111 is provided on the first end wall 11 at the other end of the water tank. The sewage outlet 112 is provided at a position higher than the upper surface of the connecting member 103. The sewage outlet 111 covers the entire width dimension of the water tank, which can reduce the resistance of the sewage flowing into the sewage channel due to too small a pipe diameter, enabling the sewage to flow away more smoothly, and facilitating the sewage sent from the surface of the wiping layer 41 to flow along the upper surface of the connecting member 103 and then be discharged into the sewage channel conveniently and easily. As Figure 7 shown, in combination with Figure 3 , Figure 6 looking together, the clean water outlet 121 is not directly opposite to the sewage outlet 111 in the water outlet direction, which can avoid the clean water just sent out from the clean water outlet 121 flowing directly into the sewage outlet 111 along the upper surface of the connecting member 103 all the time. We more hope that all the clean water passes through the connecting member 103 to perform the replacement of clean water and sewage in the wiping layer 41 so as to take away the fine particle garbage mixed inside the wiping layer 41. The scheme that the clean water outlet 121 is not directly opposite to the sewage outlet 111 in the water outlet direction will have a higher replacement efficiency of clean water and sewage.

[0104] Of course, the clean water outlet 121 and / or the sewage outlet 111 can also be provided at a position lower than the lower surface of the connecting member 103. This scheme flushes the surface of the wiping layer 41 more directly. However, it will be more difficult to control the dryness of the ground after the floor washer sweeps and mops the ground. Simply put, the ground will be wetter. Users can selectively adjust the positions of the clean water outlet 121 and the sewage outlet 111 at both ends of the water tank according to their own usage scenarios.

[0105] In some embodiments, such as Figures 3 to 7As shown, the rib 101, the guide bar 102, the upper surface of the cleaning roller 4 located between the rib 101 and the guide bar 102, and the two end walls together form the water tank. A connecting piece 103 is arranged in the water tank. The water tank is divided into a wetting area (not marked in the drawing) and a semi-wetting area F by the connecting piece 103. The wetting area is formed by the rib 101, the guide bar 102, the upper surface of the cleaning roller 4 between the rib 101 and the guide bar 102, the lower surface of the connecting piece 103, and the two end walls. During the operation of the floor washer, regardless of whether the water flow in the water tank is large or small, the wetting area is always wet, and naturally, it is easy to generate the deposition of sticky garbage. The semi-wetting area F is formed by the rib 101, the guide bar 102, the upper surface of the connecting piece 103, the lower surface of the top wall of the cleaning head housing located between the rib 101 and the guide bar 102, and the two end walls. During the operation of the floor washer, the water pump of the floor washer intermittently sprays water from the clean water tank 51 into the water tank. When the water flow is not large, the side walls of the rib 101, the side walls of the guide bar 102, and most of the area of the top wall of the cleaning head housing in the semi-wetting area F are dry. At this time, only the upper surface of the connecting piece 103 has the opportunity to be wet, and only the upper surface of the connecting piece 103 is relatively easy to generate the deposition of sticky garbage. In daily use, if a certain amount of sticky garbage is deposited in the wetting area and the semi-wetting area F, it will affect the cleaning efficiency of the floor washer, and the user needs to remove the ventilation cover 2 in time to clean the wetting area and the semi-wetting area F.

[0106] In some embodiments, the connecting piece 103 is arranged at one end of the water tank close to the sewage tank 52. Specifically, by arranging the connecting piece 103 at one end of the water tank close to the sewage tank 52, the sewage at one end of the cleaning roller 4 close to the sewage tank interface can be reduced from flowing into the sewage tank 52 without filtration.

[0107] In some embodiments, as Figures 2 to 8 shown, the connecting piece 103 is arranged in parallel with the rib 101 and the guide bar 102 respectively. That is to say, the connecting piece 103 is not connected to the rib 101 and the guide bar 102. The connecting piece 103 divides the water tank formed between the guide bar 102 and the rib 101 into two water tanks. The water tank close to the guide bar 102 is communicated with the sewage tank 52. After the rib 101 squeezes the cleaning roller 4, the excessive water on the cleaning roller 4 flows into the water tank formed between the connecting piece 103 and the guide bar 102 through the connecting piece 103 and then flows into the sewage tank 52.

[0108] In some embodiments, as Figure 3 、 Figure 4As shown, the distance between one end of the bead 101 close to the cleaning roller 4 and one end close to the cleaning head housing body 10 is greater than the distance between one end of the guide bar 102 close to the cleaning roller 4 and one end close to the cleaning head housing body 10. Simply put, the bead 101 squeezes the wiping layer 41 deeper and the guide bar 102 squeezes the wiping layer 41 shallower. Such a design makes it easier for the bead 101 to scrape and roll the wiping layer 41 to drain sewage, while the guide bar 102 can more easily elastically abut against the wiping layer 41 to guide the squeezed sewage to the sewage outlet 111.

[0109] In one or some alternative embodiments, as Figures 3 to 8 shown, an opening (not marked in the drawings) is provided in the area of the top of the cleaning head housing body 10 facing the water tank. The cleaning head assembly further includes a breathable cover 2 that seals and covers the opening at the top of the cleaning head housing body 10. The breathable cover 2 includes a breathable cover body 21 and a sealing edge 22. A breathable cavity 23 is also provided on the breathable cover body 21. The sealing edge 22 at the four peripheral edges of the breathable cover body 21 just seals and covers the opening at the top of the cleaning head housing body 10. When the user drags the cleaning head assembly to sweep and mop the ground, in order to prevent the clean water and sewage in the water tank from being agitated and overflowing out of the water tank and splashing on the ground, a sealing edge 22 is provided around the breathable cover body 21 of the breathable cover 2. The sealing edge 22 just seals and covers the opening at the top of the cleaning head housing body 10, and the breathable cover 2 can inhibit the outward overflow of liquid water and allow air to pass through. When the user has used the floor washer for a period of time and needs to further clean the water tank, the user can remove the breathable cover 2 to flush the inside of the water tank. The breathable cavity 23 is transparent, so that the user can directly see the flow of clean water and sewage inside the water tank through the breathable cavity 23 without having to remove the breathable cover 2 in sequence.

[0110] In some embodiments, the locking mechanism of the cleaning roller cover 13 includes a pair of elastic locking pieces (not marked in the drawings) provided on both sides of the cleaning roller cover 13. The elastic locking pieces are provided with first clamping tongues (not marked in the drawings). A pair of first clamping holes (not marked in the drawings) corresponding to the elastic locking pieces are provided on the two end walls (the first end wall 11 and the second end wall 12) of the cleaning head housing 1.

[0111] In this embodiment, a pair of elastic locking pieces are provided at the elastic abutting positions on both sides of the cleaning roller cover 13 and the two end walls (the first end wall 11 and the second end wall 12) of the cleaning head housing 1. The elastic locking pieces can be elastic pieces made of other materials that can be understood by those skilled in the art and are clamped on both sides of the two end walls, or can be hooks that are injection-molded together with the cleaning roller cover 13 and can produce a certain elastic deformation. A first clamping lock tongue is provided on the elastic locking piece, and a pair of first clamping holes corresponding to the elastic locking piece are provided on the two end walls of the cleaning head housing 1. The specific forms of the first clamping lock tongue and the first clamping hole are not specifically limited by this application, as long as the smooth and stable clamping of the two can be achieved. The design of the elastic locking pieces on both sides of the cleaning roller cover 13 can facilitate the user to easily align the position where the cleaning roller cover 13 needs to be covered on the cleaning head housing 1, and after the covering is in place, the user can hear a clear clamping sound or feel a slight vibration indicating that the clamping is in place, which is convenient to remind the user that the covering action of the cleaning roller cover 13 has been completed.

[0112] In some embodiments, the locking mechanism further includes an elastic locking rod assembly (not shown in the drawings) provided on the inner side of the top wall of the cleaning roller cover 13 and capable of simultaneously telescoping toward both sides of the two end walls of the cleaning head housing 1. A second clamping lock tongue (not shown in the drawings) is provided at each end of the elastic locking rod assembly, and a pair of second clamping holes (not shown in the drawings) corresponding to the second clamping lock tongue are provided on the two end walls of the cleaning head housing 1.

[0113] In this embodiment, an elastic locking rod assembly (not shown in the drawings) capable of simultaneously telescoping toward both sides of the two end walls of the cleaning head housing 1 is provided on the inner side of the top wall of the cleaning roller cover 13. A second clamping lock tongue is provided at each end of the elastic locking rod assembly. The elastic locking rod assembly can control the extension or retraction of the two lock tongues through two elastic buttons provided in the concave portion at the top of the cleaning roller cover 13. A pair of second clamping holes corresponding to the lock tongues are provided on the two end walls of the cleaning head housing 1. When the user needs to cover the cleaning roller cover 13 on the cleaning head housing 1, in addition to the automatic locking of the aforementioned elastic locking pieces, another step requires the user to continue pressing down the cleaning roller cover 13 until the two lock tongues of the elastic locking rod assembly automatically pop out under the elastic action and are locked into the second clamping holes on the two end walls, then the covering action of the cleaning roller cover 13 is reliably completed. As Figure 6As shown, the two locking tongues of the elastic locking rod assembly are wider than the first clamping locking tongue in the width direction and higher than the first clamping locking tongue in the height direction. Simply put, the second clamping locking tongue can bear much greater impact forces in all directions after being clamped in place than the first clamping locking tongue. The reliable and stable clamping force that truly secures the cleaning roller cover 13 to the cleaning head housing 1 mainly comes from the second clamping locking tongue of the elastic locking rod assembly. When the user needs to remove the cleaning roller cover 13, they first need to press two elastic buttons at the concave part on the top of the cleaning roller cover 13 to control the contraction of the two locking tongues, and then they can simply lift the entire cleaning roller cover 13 upwards with a little force.

[0114] In one or some alternative embodiments, as Figure 2 、 Figure 5 、 Figure 6 、 Figure 8 shown, the cleaning head housing 10 further includes a handle mounting portion 104, and a floor washer handle (not shown in the drawings) can be rotatably connected to the handle mounting portion 104.

[0115] Second, as Figures 1 to 2 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 clamping the cleaning roller 4, and water flow channels connecting the open cleaning tank are provided on both end walls; the cleaning roller 4 is clamped between the two end walls of the cleaning head housing 1. The cleaning roller 4 includes a drive motor 4a installed on one end wall and a cleaning drum (not shown in the drawings) sleeved on the output end of the drive motor. A wiping layer 41 is sleeved on the outer surface of the cleaning drum; the water tank assembly 5 can be installed, removed, and taken in and out from one end wall of the cleaning head housing 1. The water tank assembly 5 includes a fresh water tank 51 and a sewage tank 52 connecting the open cleaning tank. The cleaning head assembly further includes a pair of rear wheels 8 mounted on the cleaning head housing 10. This pair of rear wheels 8, together with a pair of auxiliary wheels (not shown in the drawings) mounted at 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 inside the cleaning roller 4 and with the user's own pushing and pulling, the floor washer can freely sweep and mop the ground.

[0116] Specifically, the cleaning head assembly includes a cleaning head housing 1. The cleaning head assembly further includes 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 through one side of the cleaning head housing 1, a scraper bar assembly 6 that can be slidably installed and removed at the bottom of the cleaning head housing 1 for guiding the garbage to be lifted by the cleaning roller 4, and a brush assembly 3 installed in the cleaning head housing 1 and synchronously driven by the cleaning roller 4. The drive motor 4a drives the cleaning roller 4 to rotate, and then synchronously drives the brush assembly 3 to rotate. The brush assembly 3 is used to brush the solid garbage and sticky garbage lifted by the cleaning roller 4.

[0117] In a third aspect, the present invention further provides a floor washer, which includes the above-mentioned cleaning head assembly and a handle. The floor washer can be moved by pushing the handle to clean the area to be cleaned.

[0118] Specifically, the specific working mode of the floor washer provided in this application is as follows: When the floor washer is turned on, the drive motor 4a starts to work, and at the same time, the water circuit and the like work synchronously. 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 circuit works, clean water is transported from the clean water tank 51 of the water tank assembly 5 and the clean water pipeline (not marked in the drawings) to the surface of the cleaning roller 4 to wet the surface of the cleaning roller 4. At the same time, the wiping layer 41 of the cleaning roller 4 performs rolling cleaning on the ground. The scraper bar assembly 6 is slidably installed on the cleaning head housing 1 and is arranged closely following the cleaning roller 4. The garbage collection assembly 7 is arranged behind the cleaning roller 4 and below the brush assembly 3. When the wiping layer 41 of the cleaning roller 4 performs rolling cleaning on the ground, the ground garbage is shoveled up by the scraper bar assembly 6, and through the gap between the scraper bar assembly 6 and the wiping layer 41 of the cleaning roller 4 and the frictional force of the wiping layer 41 of the cleaning roller 4, the garbage is brought into the garbage collection assembly 7. At the same time, the brush assembly 3 contacts the wiping layer 41 of the cleaning roller 4, and the brush assembly 3 sweeps the garbage remaining on the wiping layer 41 of the cleaning roller 4 into the garbage collection assembly 7 to achieve the collection of ground garbage. In addition, when the floor washer is working, the clean water source is continuously transported 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 into sewage through the connector 103, and the sewage enters the sewage pipeline (not marked in the drawings) through the water tank and is transported to the sewage tank 52 of the water tank assembly 5 for collection.

[0119] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A water tank, arranged inside the cleaning head housing of a floor scrubber and mounted on a cleaning roller, characterized in that: include: The pressure ribs and the guide strips are both arranged on the inner side of the top wall of the cleaning head housing, protruding toward the cleaning roller and abutting against it, the pressure ribs scrape off dirt and sewage on the cleaning roller, and the guide strips guide the sewage to be discharged; A connecting piece, connecting the ribs and the guide bar, wherein the connecting piece is provided with a plurality of filtering holes penetrating the thickness direction thereof, and clean water and sewage can freely pass through the filtering holes; The pressure ribs, guide strips, connectors, and the upper surface of the cleaning roller located between the pressure ribs and the guide strips together surround the water trough, and the water trough is divided into a wetted area and a semi-wetted area by the connector. The two ends of the water trough are respectively connected to the clean water tank and the dirty water tank of the floor scrubber through the end walls of the two cleaning head shells, and the water trough is ventilated to the outside.

2. The water tank according to claim 1, characterized in that Also includes: A breathable cover is arranged on the top wall of the cleaning head housing and on the opening between the pressure rib and the guide strip to prevent water from overflowing. The water tank can be ventilated to the outside through the breathable cover.

3. The water tank according to claim 1, characterized in that: The connection seams between the connecting member and the pressure ribs and the guide strips do not abut against the cleaning roller.

4. The water tank according to claim 3, characterized in that The cross section of the connecting member gradually decreases in distance from the surface of the cleaning roller in a direction pointing to the pressure rib starting from the point where the connecting member is connected to the guide strip.

5. The water tank according to claim 3, characterized in that: The cross section of the connecting member gradually decreases from the middle portion to the direction of the pressure rib and away from the surface of the cleaning roller, or The distance between the cross section of the connecting member from the middle to the connection with the guide bar and the surface of the cleaning roller along the direction pointing to the guide bar is kept constant.

6. The water tank according to claim 2, characterized in that: The cross section of the connecting piece is Z-shaped, with a gap between the upper surface of the Z-shaped upper end and the top wall of the cleaning head housing, and a gap between the lower surface of the Z-shaped lower end and the cleaning roller.

7. The water tank according to claim 6, characterized in that The Z-shaped lower end of the cross section of the connecting piece points to the pressure rib and is in an arc shape with a gradually decreasing distance from the surface of the cleaning roller.

8. The water tank according to claim 7, characterized in that The Z-shaped upper end of the connecting member close to the guide bar and the Z-shaped vertical section gradually tighten toward the guide bar from close to at least one of the two end walls until its cross section changes from Z-shape to L-shape.

9. The water tank according to claim 8, characterized in that A gap is left between the Z-shaped vertical section of the cross section of the connecting piece and the vertical surface of the guide bar, and the gap can accommodate large particles of garbage.

10. The water tank according to any one of claims 6 to 9, characterized in that: A plurality of strip-shaped open through grooves are arranged at intervals on the upper surface of the upper end of the Z-shaped cross section of the connecting piece.

11. The water tank according to claim 10, characterized in that A plurality of open spaces capable of accommodating and limiting large-particle garbage are enclosed from the upper surface of the cleaning roller between the pressure ribs and the guide strips along the surrounding walls of the plurality of open through grooves upward to the inner wall of the air-permeable cover.

12. A cleaning head assembly, characterized in that: include: A cleaning head housing, comprising a water tank and two end walls for clamping a cleaning roller as claimed in any one of claims 1 to 11, wherein both end walls are provided with a water flow channel connected to the water tank; A cleaning roller is clamped between the two end walls of the cleaning head housing, and includes a driving motor mounted on one end wall and a cleaning roller sleeved on an output end of the driving motor; The water tank assembly can be installed and taken out from one end wall of the cleaning head shell, and comprises a clean water tank and a dirty water tank connected to the water tank.

13. A floor scrubber, characterized in that: Comprising the cleaning head assembly of claim 12.

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