Cleaning head shell assembly and cleaning head

Abstract

The invention discloses a cleaning head shell assembly and a cleaning head, the cleaning head shell assembly comprises a cleaning head shell body, the cleaning head shell body comprises a shell body and two side walls connected with the shell body, one side wall is fixedly connected with a hinge seat, the hinge seat is hinged to one end of a driving motor, and the other end of the driving motor is fixedly connected with the shell body. The output end of the other end of the driving motor is clamped with the other side wall; the driving motor can be sleeved with a cleaning roller, and the output end is coupled to drive the cleaning roller to rotate to scrub a to-be-cleaned surface; the shell body is provided with a water guide tip part which is propped against the outer layer of the cleaning roller and is used for guiding sewage; the cleaning head shell body can be detachably connected with the water tank assembly, and the water tank assembly provides clean water for washing the surface of the cleaning roller. A rotatable extrusion roller is clamped between the two side walls, clear water can be sprayed out from a clear water outlet formed in one side wall to directly wash the surface of the cleaning roller, the cleaning head shell body extends upwards away from the cleaning roller to form an anti-overflow plate, and the water guide tip, the anti-overflow plate, the extrusion roller and the cleaning roller define a water tank space.

Description

Technical Field

[0001] This invention relates to the field of cleaning equipment technology, and more particularly to a cleaning head housing assembly and a cleaning head. Background Technology

[0002] Early floor cleaning tools used by people included brooms, mops, and floor scrubbers, which relied primarily on manual operation. With technological advancements, the demands for floor cleaning tools gradually increased, leading to the emergence of vacuum cleaners. These electric vacuum cleaners use negative pressure to suck up debris and dust from the floor. Classified by cleaning methods and the flow path of small and large debris, this type of technology is generally categorized as air-dust circulation technology. However, due to the limitations of its working principle, vacuum cleaners cannot clean some firmly attached debris and stains. Therefore, a new type of floor scrubber, the "water-dust circulation" scrubber, appeared. This scrubber uses a motor to drive a cleaning drum to wipe the floor, and is also equipped with a water supply system and a water tank to clean the cleaning drum, thus achieving a perfect floor cleaning.

[0003] The applicant's Chinese invention patent CN212326298U discloses a cleaning tool, which includes a cleaning head. The cleaning head includes: a cleaning module comprising a roller and a squeezing roller positioned above the right side of the roller, wherein the right side region of the roller is the area to be cleaned, i.e., the squeezing roller is positioned above the surface of the area to be cleaned; the squeezing roller interferes with the roller, forming a water trough; a housing, including a side housing, has a first wastewater box; the roller and squeezing roller are respectively mounted on the side housing, the first wastewater box is connected to the water trough, and the first wastewater box contains a filter screen and a brush, the brush being used to clean debris from the surface of the filter screen. The bottom end of the squeezing roller interferes with the sponge layer of the roller, i.e., the bottom end of the squeezing roller squeezes the sponge layer, and the squeezing roller and roller form a water trough A. A roller brush is located between the roller and the waste box, used to clean debris from the surface of the roller. Through "water and dust circulation," the roller can achieve self-cleaning and can continuously scrub the surface of the area to be cleaned, resulting in good cleaning effect and high work efficiency. Summary of the Invention

[0004] This application provides a cleaning head housing assembly and a cleaning head, which, while achieving "water and dust circulation," eliminates the independent brush roller and its drive mechanism found in traditional cleaning heads. It relies solely on the interference cooperation between the cleaning roller and the squeezing roller to physically squeeze and recycle wastewater, eliminating additional power load and avoiding the extra power consumption and noise problems caused by the brush roller drive. This effectively reduces the power consumption and noise of the cleaning tool during operation. The specific technical solution is as follows:

[0005] In a first aspect, this application provides a cleaning head housing assembly for assembling a cleaning head, characterized in that it includes a housing body and connecting two side walls of the housing body, wherein a hinge seat is fixedly connected to one side wall, the hinge seat is hinged to one end of a drive motor, and the output end of the other end of the drive motor is engaged with the other side wall; a cleaning roller can be sleeved on the drive motor, the cleaning roller including a cleaning roller body and a cleaning roller outer layer covering the outer periphery of the cleaning roller body, the output end coupling to drive the cleaning roller to rotate and scrub the surface to be cleaned; the housing body is provided with a water guide tip that abuts against the cleaning roller outer layer in a saturated state along the entire axial direction of the cleaning roller and guides wastewater; the cleaning head housing body can be detachably connected to a water tank assembly, the water tank assembly providing clean water for rinsing the surface of the cleaning roller; a rotatable extrusion roller is sandwiched between the two side walls, extruding the upper surface of the cleaning roller and disposed eccentrically relative to the cleaning roller and close to the water guide tip;

[0006] Among them, clean water can be sprayed from the clean water outlet set on one of the side walls to directly rinse the surface of the cleaning roller. The cleaning head housing body, which is away from the squeezing roller and is located away from the cleaning roller, has an overflow plate extending upward. The water guide tip, the overflow plate, the squeezing roller and the cleaning roller enclose a water tank space.

[0007] In one or more alternative embodiments, a trash can can be inserted / removed through one of the side walls, and a rotating cleaning roller can carry trash into the trash can by wiping the floor.

[0008] In one or more alternative embodiments, the cleaning head housing assembly further includes:

[0009] The detachable shovel assembly is detachably connected to the lower edge of the cleaning head housing near the cleaning roller, close to the surface to be cleaned, and located between the cleaning roller and the trash can; the side of the detachable shovel assembly close to the cleaning roller is curved to match the surface of the cleaning roller.

[0010] In one or more alternative embodiments, the cleaning head housing body further includes a waste guide disposed between the removable shovel assembly and the waste container; the upper surface of the waste guide or the waste guide and the removable shovel assembly forms an inclined waste guiding area; the waste guiding area is located below the squeezing roller and communicates with the waste container.

[0011] In one or more alternative embodiments, on a cross section perpendicular to the axial direction of the cleaning roller, the cleaning head housing body is further provided with a transverse partition extending away from the cleaning roller above the waste box, which is connected to the water guide tip. A transverse vertical wall extends upward from the other end of the transverse partition. The top of the transverse vertical wall is flush with the top of the side walls. The side walls, the water guide tip, the transverse partition, and the transverse vertical wall together enclose the sewage cavity. A bottom plate extends away from the cleaning roller and is flush with the bottom of the side walls. The bottom plate extends to be flush with the outer end face of the horizontal end face vertical wall. The bottom plate and the transverse partition are always hollowed out. The outer layer of the cleaning roller, the bottom plate, and the transverse partition enclose the dry waste cavity.

[0012] In one or more alternative embodiments, the overflow shield is provided with holes or grooves connecting the water tank space and the sewage cavity.

[0013] In one or more alternative embodiments, a one-way filtration device is provided on one side of the sewage cavity, and the sewage guided by the guide tip can only flow in one direction from the water tank space through the one-way filtration device to the sewage cavity.

[0014] In one or more alternative embodiments, the cleaning head housing assembly further includes:

[0015] The top cover, located above the extrusion roller, can be rotated open along the axis parallel to the cleaning roller on the side closest to the cleaning roller.

[0016] In one or more alternative embodiments, the lower surface of the cover extends downward parallel to the cleaning roller axis with an overflow guard flange, which fits with the top of the overflow guard plate to isolate the upper part of the water tank space from the sewage cavity.

[0017] In one or more alternative embodiments, the lower surface of the upper cover is provided with an abutment portion that abuts against the extrusion roller to clean the surface of the extrusion roller.

[0018] In one or more alternative embodiments, the abutting portion abuts against the extrusion roller at intervals along the axial direction of the extrusion roller, and the abutting portion is a plurality of spaced dot-shaped protrusions.

[0019] In one or more alternative embodiments, the outer layer of the cleaning roller is a sponge layer. When the sponge layer is in an unsaturated state, a gap is formed between the lower surface of the water guide tip and the sponge layer, and the seeping sewage drips onto the sponge layer or into the body of the cleaning head housing.

[0020] In one or more alternative embodiments, the squeeze roller is driven to rotate by the friction of the cleaning roller body.

[0021] In one or more alternative embodiments, a sliding snap block is also provided on each of the two side walls, and the sliding snap block is provided with a groove for the end of the extrusion roller to slide in / out.

[0022] When it is necessary to remove the extrusion rollers, both ends of the extrusion rollers can be slid out from the grooves in the sliding locking blocks of each extrusion roller;

[0023] When the cleaning head is working, the two ends of the squeeze roller can rotate at the ends of the chute.

[0024] In one or more alternative embodiments, an end-twist assembly is connected to the output end of the other end of the drive motor, the end-twist assembly is snapped into the other side wall, and the cleaning head housing assembly further includes:

[0025] The transmission mechanism is located on one side wall that engages with the end-twist assembly. It is connected to the drive motor via the end-twist assembly to simultaneously drive the cleaning roller and the extrusion roller to rotate.

[0026] In one or more alternative embodiments, the transmission mechanism includes:

[0027] The drive gear is coupled to the end torque assembly;

[0028] The first driven gear set, which meshes with the driving gear, includes at least one first driven gear and a second driven gear. The first driven gear meshes with the driving gear, the first driven gear meshes with the second driven gear, and the second driven gear is connected to the coupling end of the extrusion roller in a drive connection.

[0029] In one or more alternative embodiments, a sliding snap block is provided on one side wall connected to the hinge seat, and the sliding snap block is provided with a groove for the end of the extrusion roller to slide in / out.

[0030] In one or more alternative embodiments, the extrusion roller includes:

[0031] The extrusion roller body has an inner cavity;

[0032] The bearing is located at one end of the extrusion roller body and is covered at the opening of the inner cavity;

[0033] An elastic support shaft is located at one end of the extrusion roller body and includes a locking element and a spring. Part of the locking element is limited to the inner cavity by the bearing. The locking element is elastically connected to the inner wall of the inner cavity through the spring. The locking element extending out of the inner cavity can be locked to one side wall of the cleaning head housing body.

[0034] In one or more alternative embodiments, a gear connection portion is provided at the other end of the extrusion roller body relative to the bearing and the elastic support shaft, the gear connection portion comprising:

[0035] The fixing part is connected to the extrusion roller body;

[0036] The connecting part is connected to the fixing part and also to the second driven wheel;

[0037] In use, the drive motor rotates, causing the cleaning roller body to rotate, which in turn drives the drive gear to rotate. The drive gear then drives the second driven wheel to rotate, and the second driven wheel in turn drives the squeezing roller body to rotate.

[0038] In one or more alternative embodiments, the central axis of the extrusion roller is offset from the central axis of the cleaning roller in the vertical direction by 5°-65°.

[0039] In one or more alternative embodiments, the housing body extends outward in a U-shaped docking mechanism away from the cleaning roller, and the cleaning head housing assembly further includes:

[0040] The water tank assembly includes a water tank body and a sealed sidewall that are sealed as a whole, providing clean water for the cleaning roller; the water tank body has a hollow cavity inside, with its two ends being transverse semi-cylindrical and its middle part being square columnar, and the upper middle part of the water tank body having a notch that can accommodate the rotation of the hinge head assembly, and a connecting mechanism is provided in the middle of the water tank body.

[0041] The hinge head assembly connects the cleaning head housing, water tank assembly, and connecting rod assembly.

[0042] The hinge head latching cover assembly includes a hinge head latching cover body, which can be engaged with the connection mechanism of the water tank body and the docking mechanism of the shell body to clamp the hinge head assembly between the water tank body, the shell body and the hinge head latching cover body, and allow the hinge head assembly to rotate about an axis parallel to the axis of the cleaning roller.

[0043] In one or more alternative embodiments, the water tank body has an opening covering the entire surface on its only vertical surface, a sealing cover is provided on the opening, a water inlet is provided on the top wall at one end of the water tank body, and a water outlet is provided in the middle of the lower part of the water tank body.

[0044] In one or more alternative embodiments, one end of the water tank body is provided with an avoidance notch, and the sealing side corresponding to the end of the water tank body is provided with a sealing sidewall avoidance notch corresponding to the avoidance notch.

[0045] In one or more alternative embodiments, the lower middle part of the water tank body is further provided with a pipeline channel for connecting the water outlet to the water pump installed in the hinge head assembly; the water outlet is a water outlet connector protruding to the side of the pipeline channel.

[0046] In one or more alternative embodiments, a first connecting seat is provided on the top wall of the middle part of the water tank body, and a second connecting seat is provided on the front wall of the middle part of the water tank body. The connecting mechanism includes the first connecting seat and the second connecting seat.

[0047] In one or more alternative embodiments, two connecting ears are provided at both ends of the sealed sidewall, through which the water tank assembly and the cleaning head housing body can be further detachably connected.

[0048] In one or more alternative embodiments, the docking mechanism includes:

[0049] The U-shaped top wall extends outward from the top of the vertical wall parallel to the horizontal partition in the middle of the cleaning head housing body. The outward side of the U-shaped top wall is provided with an arc to engage the hinge head assembly.

[0050] Two vertical walls connect longitudinally to the bottom wall at the two transverse ends of the U-shaped top wall;

[0051] Two U-shaped support walls are parallel to the two vertical walls and connect the top and bottom walls of the U-shape between the two vertical walls. The outward-facing side of the U-shaped support wall has an arc to engage the hinge head assembly.

[0052] In one or more alternative embodiments, the docking mechanism further includes:

[0053] The two first fixing seats are a pair of nut columns that are located between the vertical wall and the U-shaped support wall and close to the top wall of the U-shape, extending outward from the horizontal wall.

[0054] The two second fixing seats are a pair of nut posts located between the two U-shaped support walls and close to the bottom wall, extending outward from the horizontal wall.

[0055] In one or more alternative embodiments,

[0056] The connecting mechanism includes two first connecting seats and two second connecting seats;

[0057] The hinge head latch cover body is provided with two first fastening seats and two second fastening seats;

[0058] When the shell body is connected to the water tank assembly, the first connecting seat is aligned with the first fixed seat, and the second connecting seat is aligned with the second fixed seat; when the hinge head latching cover body continues to connect to the water tank assembly, the first fastening seat is aligned with the first connecting seat, and the second fastening seat is aligned with the second connecting seat. Long screws are used to pass through the first fastening seat, the first connecting seat, the first fixed seat, the second fastening seat, the second connecting seat, and the second fixed seat in sequence to fasten the shell body, the water tank assembly, and the hinge head latching cover body.

[0059] In one or more alternative embodiments, the hinge head latching cover assembly further includes a first auxiliary roller and / or a second auxiliary roller, and a pin that can latch the first auxiliary roller and the second auxiliary roller onto the hinge head latching cover body.

[0060] Secondly, this application provides a cleaning head, comprising:

[0061] The cleaning head housing assembly as described in the first aspect;

[0062] The cleaning roller is mounted on the drive motor, and the output end couples to drive the cleaning roller to rotate and scrub the surface to be cleaned; the cleaning head housing body is provided with a water guide tip that abuts against the outer layer of the cleaning roller in the saturated state along the entire axial direction of the cleaning roller and guides the sewage.

[0063] The squeezing roller is rotatably engaged between the two side walls, squeezing the upper surface of the cleaning roller and is set eccentrically relative to the cleaning roller and close to the water guide tip.

[0064] The water tank assembly is detachably connected to the cleaning head housing assembly. The water tank assembly provides clean water for rinsing the surface of the cleaning roller.

[0065] In one or more alternative embodiments, the cleaning head further includes:

[0066] The trash can can be inserted into / removed from the cleaning head housing body through one of the side walls. The rotating cleaning roller can carry trash into the trash can while wiping the floor.

[0067] The beneficial effects of the above-described technical solutions provided in the embodiments of the present invention include at least the following:

[0068] The cleaning head housing assembly provided by this invention effectively removes excess water through the water guide tip, ensuring that the outer wiping layer of the cleaning roller always maintains a suitable dry and wet state. This not only guarantees the wiping effect on the ground but also avoids the situation where the surface becomes "muddy and wet" due to excessive moisture, which would contaminate the ground.

[0069] The cleaning head housing assembly provided by this invention has upper and lower separated sewage and dry waste chambers. Through its layered structural design, the two functional chambers are arranged side-by-side within the limited space of the cleaning head, greatly improving space utilization. Furthermore, the dry-wet separation design fundamentally solves the problem of dry waste becoming moldy, smelly, and difficult to clean after being soaked in sewage, maintaining the hygiene of the collection chamber and simplifying subsequent waste treatment processes.

[0070] The cleaning head housing assembly provided by this invention features a vertically positioned wastewater overflow baffle that acts as a baffle. This baffle restricts the water flow range within the wastewater diversion and collection area, completely separating it from other parts of the wastewater chamber in a unidirectional flow manner to prevent backflow. This greatly suppresses the sloshing of wastewater within the chamber, avoiding the "clunking" sound and instability caused by water sloshing during cleaning, thus improving the product's quality and quietness.

[0071] The cleaning head provided in this application comprises a water guide tip, an overflow plate, a squeeze roller, and a cleaning roller, all arranged on the head housing to form a water tank space. Wastewater guided by the water guide tip can only flow unidirectionally from the water tank space through a unidirectional filtration device to the wastewater chamber. Simultaneously, the squeeze roller and the cleaning roller are interference-fitted, allowing the squeeze roller to compress the cleaning roller, squeezing out the wastewater absorbed within the cleaning roller and allowing it to flow unidirectionally into the wastewater chamber within the water tank space. The overflow plate between the water tank space and the wastewater chamber prevents wastewater from swirling back across the overflow plate during rapid pushing and pulling of the water-dust circulation cleaning head, thus preventing wastewater from splashing back onto the cleaning roller surface and affecting cleaning efficiency. Because the squeezing roller is positioned eccentrically on the cleaning roller, and the water tank space is located above the cleaning roller, when the cleaning roller is in an unsaturated state, a gap may form between the squeezing roller and the cleaning roller. The seeping sewage will flow down from the cleaning roller or into the closed water tank space under the action of gravity, preventing it from dripping onto the surface to be cleaned and thus affecting the cleanliness.

[0072] The cleaning head provided in this application eliminates the independent brush roller and its drive mechanism found in traditional cleaning heads. It relies solely on the interaction between the cleaning roller and the squeezing roller to physically squeeze and recycle wastewater, eliminating the additional power load and avoiding the extra power consumption and noise problems caused by the brush roller drive. This effectively reduces the power consumption and noise of the cleaning tool during operation. The cleaning roller simultaneously performs cleaning and wastewater adsorption functions, while the squeezing roller replaces the scraping function of the brush roller, resulting in a simpler structure.

[0073] The cleaning head provided in this application has a rationally designed structure. The water tank assembly is directly connected to the cleaning head housing, and the clean water chamber and wastewater chamber are arranged laterally and isolated inside the cleaning head, rather than being suspended on a pole or inserted at a high position. This layout lowers the center of gravity of the whole machine, reduces the overall height of the cleaning head and the longitudinal load. Compared with the existing technology, it can make the cleaning tool have a lighter operating feel and improve the user experience.

[0074] Other features and advantages of the invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the written description and the accompanying drawings. Attached Figure Description

[0075] 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.

[0076] Figure 1 An exploded view of Embodiment 1 of the cleaning head housing assembly;

[0077] Figure 2 Another exploded view of Embodiment 1 of the cleaning head housing assembly;

[0078] Figure 3 Another exploded view of Embodiment 1 of the cleaning head housing assembly;

[0079] Figure 4 An exploded view of Embodiment 2 of the cleaning head housing assembly;

[0080] Figure 5 An exploded view of the cleaning head housing assembly in Embodiment 3;

[0081] Figure 6 An exploded view of an embodiment of a water tank assembly that mates with a cleaning head assembly;

[0082] Figure 7 Another exploded view of an embodiment of a water tank assembly that mates with a cleaning head assembly;

[0083] Figure 8 This is a schematic diagram showing the assembly and installation of the water tank assembly, hinge head assembly, and hinge head latching cover assembly.

[0084] Figure 9 A schematic diagram illustrating an embodiment of a cleaning head assembly consisting of a cleaning head housing assembly, a water tank assembly, a hinge head assembly, and a hinge head latching cover assembly;

[0085] Figure 10 Another schematic diagram from a perspective shows an embodiment of a cleaning head assembly consisting of a cleaning head housing assembly, a water tank assembly, a hinge head assembly, and a hinge head latching cover assembly.

[0086] Figure 11 A perspective view of an embodiment of a cleaning head assembly consisting of a cleaning head housing assembly, a water tank assembly, and a hinged head latching cover assembly;

[0087] Figure 12 A perspective view of an embodiment of a cleaning tool equipped with a cleaning head housing assembly;

[0088] Figure 13 Another perspective view of an embodiment of a cleaning tool equipped with a cleaning head housing assembly;

[0089] Figure 14 for Figure 12 The lower half of the sectional view along line A;

[0090] Figure 15 A three-dimensional stepped planer view of an embodiment of a cleaning head configured with a hinged head assembly;

[0091] Figure 16 for Figure 13 The lower half of the cross-sectional view along line B;

[0092] Figure 17 for Figure 12 Sectional view along line C;

[0093] Explanation of reference numerals in the attached figures:

[0094] 10. Cleaning head; 10A. Cleaning roller drive motor; 10B. Cleaning roller outer wiping layer; 110. Cleaning head housing assembly; 120. Water tank assembly; 130. Hinge head latching cover assembly; 140. Trash can assembly; 150. Locking tongue latching plate;

[0095] 110a, Cleaning head housing body; 110a1, Left side wall; 110a2, Right side wall; 110a3, First fixing seat; 110a4, Second fixing seat; 110a5, Clean water channel inlet; 110a6, Clean water channel outlet; 110a7, Water guide tip; 110a8, Overflow plate;

[0096] 110b, Detachable production strip assembly; 110c, Extrusion roller; 110d1, Left sliding latch block of extrusion roller; 110d2, Right sliding latch block of extrusion roller; 110e, Wear-resistant ring of cleaning roller end button; 110f, Top cover; 110g, Adapter; 110p, Left decorative sticker; 110q, Right decorative sticker;

[0097] 120a, Water tank body; 120a1, Opening groove; 120a2, Water outlet; 120a3, First connecting seat; 120a4, Second connecting seat; 120a5, Clearance notch; 120b, Water tank sealing sidewall; 120b5, Water tank sealing sidewall clearance notch; 120c, Flip-top assembly;

[0098] 130a, Hinge head engages the cover body; 130a3, First fastening seat; 130a4, Second fastening seat; 130b, First auxiliary roller; 130c, Second auxiliary roller; 130d, Roller pin;

[0099] 20. Connecting rod assembly; 200. Connecting rod body; 201. Lower connecting sleeve assembly; 202. Lower connecting sleeve assembly; 203. Electrical connection harness; 20B. Lower electrical connection plug; 20C. Upper electrical connection plug;

[0100] 30. Handle assembly;

[0101] 40. Hinge head assembly; 40A. Water pump; 40B. Hinge head electrical connector; 401. Hinge head upper shell; 402. Hinge head lower shell; 403. Locking tongue; 404. Locking tongue support; 405. Locking button; 406. Locking button support;

[0102] Q, clean water chamber; M, wastewater chamber; N, dry waste chamber; S, wastewater diversion and collection area. Detailed Implementation

[0103] 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.

[0104] 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.

[0105] 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 expressly defined; "at least one" means one or more.

[0106] 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.

[0107] The present invention will be further described below with reference to specific embodiments, but these are not intended to limit the scope of the invention.

[0108] Example 1

[0109] like Figures 1-5As shown, this embodiment provides a cleaning head housing assembly 110 for assembling a cleaning head 10. The cleaning head housing assembly 110 includes a housing body 110a and connecting two side walls (110a1, 110a2) of the housing body. The two side walls of the housing body 110a are a left side wall 110a1 and a right side wall 110a2, respectively. A hinge seat is fixedly connected to one side wall, and the hinge seat is hinged to one end of a drive motor 10A. The output end of the other end of the drive motor 10A is engaged with the other side wall. A cleaning roller 10B can be sleeved on the drive motor 10A. The cleaning roller 10B includes a cleaning roller body and a cleaning roller outer layer covering the outer periphery of the cleaning roller body. The output end couples and drives the cleaning roller 10B to rotate and scrub the surface to be cleaned. The housing body 110a has a saturated state along the entire axial direction of the cleaning roller. The outer layer of the cleaning roller abuts against and guides the wastewater to the water guide tip 110a7; the housing body 110a can be detachably connected to the water tank assembly 120, which provides clean water for rinsing the surface of the cleaning roller 10B; a rotatable squeezing roller 110c is sandwiched between the two side walls, squeezing the upper surface of the cleaning roller 10B and being eccentrically positioned relative to the cleaning roller and close to the water guide tip 110a7; clean water can be sprayed directly from the clean water outlet 110a6 on one of the side walls to rinse the surface of the cleaning roller 10B; an overflow plate 110a8 extends upward from the cleaning roller 10B away from the water guide tip 110a7 and away from the squeezing roller 110c; the water guide tip 110a7, the overflow plate 110a8, the squeezing roller 110c and the cleaning roller 10B enclose a water tank space. When the cleaning roller 10B needs to be removed, first press the output end of the other end of the drive motor to retract it and separate it from the corresponding side wall of the housing body 110a. Then, rotate the cleaning roller 10B around the hinge seat with the drive motor to separate one end of the drive motor from the side wall. Then, the cleaning roller 10B can be slid out along the outer wall of the drive motor. When installing the cleaning roller 10B back into the housing body 110a, simply reverse the steps described above to install the cleaning roller 10B into the housing body 110a.

[0110] Furthermore, an end button assembly (not shown in the attached figure) is connected to the output end of the other end of the drive motor, and the end button assembly is snapped into one side wall of the housing body 110a.

[0111] In this embodiment of the invention, the cleaning head housing assembly 110 comprises a water guide tip 110a7, an overflow plate 110a8, a squeezing roller 110c, and a cleaning roller 10B, which enclose a water tank space. Wastewater guided by the water guide tip 110a7 can only flow unidirectionally from the water tank space through a unidirectional filtration device to the wastewater chamber M. Simultaneously, the squeezing roller 110c and the cleaning roller 10B form an interference fit, allowing the squeezing roller 110c to squeeze the cleaning roller 10B, squeezing out the wastewater absorbed by the cleaning roller 10B and allowing it to be contained in the water tank space before flowing unidirectionally to the wastewater chamber M. The overflow plate 110a8, located between the water tank space and the wastewater chamber, prevents wastewater from being splashed back onto the cleaning roller 10B surface due to agitation in the wastewater chamber M when the user quickly pushes and pulls the water-dust circulation cleaning head, thus preventing the wastewater from affecting cleaning efficiency. Because the squeezing roller 110c is positioned eccentrically on the cleaning roller 10B, and the water tank is located above the cleaning roller 10B, a gap may form between the squeezing roller 110c and the cleaning roller 10B when the cleaning roller 10B is unsaturated. The seeping wastewater will flow down from the cleaning roller 10B or into the enclosed water tank under gravity, preventing it from dripping onto the surface to be cleaned and affecting cleanliness. The cleaning head housing assembly 110 provided in this application eliminates the independent brush roller and its drive mechanism found in traditional cleaning heads. It relies solely on the interference cooperation between the cleaning roller 10B and the squeezing roller 110c to physically squeeze and recycle wastewater, eliminating additional power load and avoiding the extra power consumption and noise problems caused by the brush roller drive. This effectively reduces the power consumption and noise of the cleaning tool during operation. The cleaning roller 10B simultaneously performs cleaning and wastewater adsorption functions, while the squeezing roller 110c replaces the scraping function of the brush roller, resulting in a simpler structure.

[0112] In this embodiment of the invention, the arc-shaped design of the water guide tip 110a7 allows for close interference (i.e., slight contact or very close clearance fit) with the outer wiping layer 10B of the high-speed rotating cleaning roller. This interference produces two effects: first, scraping, efficiently removing excess water from the wiping layer like a scraper; second, sealing, forming a liquid seal interface to prevent water from being carried out by the wiping layer or splashing to unwanted places. The scraped liquid water, guided by the arc shape of the water guide tip 110a7, is precisely guided into the wastewater collection area S formed between it and the wastewater overflow prevention plate 110a8. The cleaning head housing assembly 110 provided in this embodiment of the invention effectively removes excess water through the water guide tip 110a7, ensuring that the outer wiping layer 10B of the cleaning roller remains in a suitable dry-wet state. This guarantees its wiping effect on the ground while avoiding the situation where excessive moisture causes "muddy and watery" conditions that contaminate the ground. The cleaning head housing assembly 110 provided in this embodiment of the invention has a vertically arranged anti-overflow plate 110a8 that acts as a baffle. It restricts the water flow range in the sewage diversion and collection area S, completely separating it from other parts of the sewage cavity M under the premise of unidirectional flow. This greatly suppresses the sloshing of sewage in the sewage cavity M, avoids the "banging" sound of water during cleaning and the feeling of unstable equipment operation caused by water sloshing, and improves the quality and quietness of the product.

[0113] In one specific embodiment, see [reference] Figures 9 to 11 The cleaning head housing assembly 110 can also be fitted with a trash can 140. The trash can 140 can be inserted into / removed from the housing body 110a through the lower part of one side wall. The cleaning roller 10B can carry the trash into the trash can 140 by rotating and wiping the floor.

[0114] In one specific embodiment, see [reference] Figure 1-3 , Figure 14-15 The cleaning head housing assembly 110 also includes a detachable shovel assembly 110b, which is detachably connected to the lower edge of the cleaning head housing body 110a near the cleaning roller 10B, close to the surface to be cleaned, and located between the cleaning roller 10B and the waste container 140. The side of the detachable shovel assembly 110b close to the cleaning roller has an arc shape that conforms to the surface of the cleaning roller. Furthermore, the cleaning head housing body 110a also includes a waste guide (not shown in the figure) disposed between the detachable shovel assembly 110b and the waste container 140; the upper surface of the waste guide or the waste guide and the detachable shovel assembly forms an inclined waste guiding area (not shown in the figure); the waste guiding area is located below the squeezing roller and communicates with the waste container.

[0115] In one specific embodiment, see [reference] Figures 1-5 , Figures 14-15On a cross section perpendicular to the axial direction of the cleaning roller, the housing body 110a has a horizontal partition (not shown in the figure) extending downward from the direction of the cleaning roller in the direction of the water guide tip 110a7. The other end of the horizontal partition has a vertical wall (not shown in the figure) extending upward. The left side wall 110a1, the right side wall 110a2, the water guide tip 110a7, the horizontal partition, and the vertical wall together enclose the sewage cavity M.

[0116] In one specific embodiment, see [reference] Figures 14-15 The overflow baffle 110a8 has holes or grooves (not shown in the attached diagram) connecting the water tank space and the sewage cavity. Specifically, the holes or grooves are located on one side of the sewage cavity M and are equipped with a one-way filtration device (not shown in the attached diagram). The sewage guided by the guide tip 110a7 can only flow unidirectionally from the water tank space through the one-way filtration device to the sewage cavity M. More specifically, the one-way filtration device is a filter membrane. The overflow baffle 110a8 is connected between the housing body 110a and the guide tip 110a7. The overflow baffle 110a8 and the guide tip 110a7 form a sewage guiding and collecting area S. The overflow baffle 110a8 acts as a physical barrier, and the sewage at the guide tip 110a7 flows to the sewage cavity M through the holes or grooves. When the cleaning head 10 experiences vibration (such as when moving on uneven ground or encountering obstacles), the wastewater in the wastewater chamber M forms a water film on the surface of the filter membrane. This water film increases the resistance to reverse osmosis, making it difficult for wastewater to seep back into the wastewater collection area S through the permeable holes. This ensures that wastewater can only flow unidirectionally from the guide tip 110a7 to the wastewater chamber M, preventing secondary contamination of the guide tip 110a7 and related cleaning components. When the cleaning head 10 is subjected to vibration, the combination of the overflow plate 110a8 and the filter membrane stably prevents wastewater backflow, ensuring that the cleaning work is unaffected by vibration and maintaining a consistently clean state. This enhances the adaptability and stability of the cleaning tool under different working conditions.

[0117] In one specific embodiment, see [reference] Figure 1-3 , Figure 11 , Figure 14 The cleaning head housing assembly 110 also includes an upper cover 110f, which is positioned above the squeezing roller 110c. The side of the upper cover 110f closest to the cleaning roller 10B can be rotated open along an axis parallel to the cleaning roller. An overflow prevention flange (not shown in the attached diagram) extends downwards from the lower surface of the upper cover 110f parallel to the cleaning roller axis. This flange engages with the top of the overflow prevention plate 110a8, isolating the upper part of the water tank space from the sewage cavity M. When the cleaning roller 10B rotates, the liquid adhering to its surface splashes outwards under centrifugal force. The vertically extending portion of the overflow prevention flange intercepts the horizontal movement path of the splashed sewage. Simultaneously, its lower surface and the engagement surface with the top of the overflow prevention plate 110a8 form the first physical barrier. After being blocked by the overflow prevention flange, the sewage flows back to the sewage guide and collection area S along the inner wall of the overflow prevention plate 110a8, forming a unidirectional flow path and improving the overflow prevention effect.

[0118] In one specific embodiment, the lower surface of the upper cover 110f is provided with an abutment portion (not shown in the figure), which abuts against the extrusion roller 110c to clean the surface of the extrusion roller 110c. The abutment portion abuts against the extrusion roller 110c at intervals along the axial direction of the extrusion roller, and the abutment portion consists of multiple spaced dot-shaped protrusions. The multiple dot-shaped protrusions are distributed at intervals along the axial direction of the extrusion roller 110c, forming a discontinuous contact surface. When the extrusion roller 110c rotates, each protrusion independently applies shearing force to a local area of ​​the surface of the extrusion roller 110c, removing impurities through high-frequency, short-stroke scraping action. Compared with traditional surface contact cleaning, this can effectively improve cleaning quality and efficiency. When the upper cover is closed, the abutment portion forms line contact or surface contact with the surface of the extrusion roller 110c under its own elasticity or pre-tightening force, and removes impurities (such as fibers, dirt, and residual liquid film) attached to the surface of the extrusion roller 110c through the shearing force generated by relative motion, thereby improving cleaning efficiency. When the water and dust circulation cleaning head 10 is working, the cleaning roller 10B rotates to wipe the ground, driving the squeezing roller 110c to rotate. While the squeezing roller 110c rotates and squeezes the surface of the cleaning roller 10B, it easily picks up small pieces of paper scraps and other small pieces of garbage from the ground. The contact part on the lower surface of the upper cover 110f can promptly and effortlessly peel the small pieces of garbage off the surface of the squeezing roller 110c, preventing the small pieces of garbage from accumulating and tangling on the surface of the squeezing roller 110c and affecting the cleaning efficiency.

[0119] When the top cover is closed, its inner surface forms a dynamic sealing structure with the cylindrical surface of the squeezing roller 110c, preventing sewage or impurities from overflowing. During the cleaning process, the squeezing roller 110c applies pressure to the object being cleaned (such as fabrics, floors, etc.) by rotating, while the closed state of the top cover restricts the diffusion path of the squeezed sewage, causing it to enter the sewage chamber M along the guide tip 110a7. When maintenance or cleaning of the squeezing roller 110c is required, the top cover can be opened along the rotation axis, exposing the complete working surface of the squeezing roller 110c for direct operation.

[0120] Furthermore, a hydrophobic and stain-friendly layer can be applied to the surface of the extrusion roller 110c. The stain-friendly layer is made of a stain-adhesive material. Even with the assistance of non-powered cleaning at the contact part of the lower surface of the upper cover 110f, the debris will still accumulate on the surface of the extrusion roller 110c. Users only need to periodically remove the stain-friendly layer from the surface of the extrusion roller 110c and replace it with a new stain-friendly layer.

[0121] In one specific embodiment, see [reference] Figures 14-15 The outer layer of the cleaning roller 10B is a sponge layer. When the sponge layer is unsaturated, a gap is formed between the lower surface of the water guide tip 110a7 and the sponge layer, and the seeping sewage drips onto the surface of the cleaning roller 10B or into the housing body 110a. The squeeze roller 110c rotates by the friction between itself and the sponge layer.

[0122] In one specific embodiment, see [reference] Figures 1 to 3 To facilitate the removal of the extrusion roller 110c from between the left side wall 110a1 and the right side wall 110a2, a left-side sliding locking block 110d1 for the extrusion roller is provided on the left side wall 110a1, and a right-side sliding locking block 110d2 for the extrusion roller is provided on the right side wall 110a2. The two locking blocks are correspondingly positioned, and each block has a groove for the two ends of the extrusion roller 110c to slide into / out. To improve the wear resistance of the two locking blocks, they are made of wear-resistant material. The two locking blocks are securely engaged with the left side wall 110a1 and the right side wall 110a2, respectively. When the user needs to remove the extrusion roller 110c for maintenance, simply slide both ends of the extrusion roller 110c out of the grooves in the two locking blocks to easily remove it.

[0123] In one specific embodiment, see [reference] Figures 1 to 3 In order to improve the wear resistance of the end button assembly connected to the output end of the drive motor and one of the two side walls of the housing body 110a, a cleaning roller end button wear ring 110e can be provided on one of the two side walls. The part of the end button assembly mounted on one of the two side walls can rotate relative to the cleaning roller end button wear ring 110e.

[0124] Furthermore, the outer surfaces of the left side wall 110a1 and the right side wall 110a2 can be respectively covered with a left decorative sticker 110p and a right decorative sticker 110q to further enhance the aesthetics of the water and dust circulation cleaning head 10.

[0125] In one specific embodiment, see [reference] Figure 4-5 The cleaning head housing assembly 110 also includes a transmission mechanism, which is located on one side wall that engages with the end button assembly. The transmission mechanism is connected to a drive motor via the end button assembly to simultaneously rotate the cleaning roller 10B and the squeezing roller 110c. Specifically, the transmission mechanism includes a drive gear 10A1 and a first driven wheel set 110d3. The drive gear 10A1 is coupled to the end button assembly. The first driven wheel set 110d3 meshes with the drive gear 10A1 and includes at least one first driven wheel and a second driven wheel (not shown in the figures). The first driven wheel meshes with the drive gear 10A1, and the first driven wheel meshes with the second driven wheel. The second driven wheel is connected to the coupling end 110c3 of the squeezing roller 110c. The water-dust circulation cleaning head 10 can further increase the power to rotate the squeezing roller 110c by configuring the transmission mechanism, thereby further improving the efficiency of squeezing roller 110c in squeezing wastewater from the surface of the cleaning roller 10B.

[0126] In one specific embodiment, the extrusion roller 110c includes an extrusion roller body, a bearing 110d4, and an elastic support shaft; the extrusion roller body has an inner cavity; the bearing is located at one end of the extrusion roller body and covers the opening of the inner cavity; the elastic support shaft is located at one end of the extrusion roller body and includes a locking member and a spring, part of the locking member is limited to the inner cavity by the bearing, the locking member is elastically connected to the inner wall of the inner cavity by the spring, and the locking member extending out of the inner cavity can be locked with one side wall of the cleaning head housing body.

[0127] Furthermore, a gear connection part is provided at the other end of the extrusion roller body relative to the bearing and the elastic support shaft. The gear connection part includes a fixing part and a connecting part. The fixing part is connected to the extrusion roller body. The connecting part is connected to the fixing part and connected to the second driven wheel. In use, the drive motor rotates and drives the cleaning roller body to rotate, while driving the drive gear to rotate. The drive gear drives the second driven wheel to rotate, and the second driven wheel drives the extrusion roller body to rotate.

[0128] In one specific embodiment, see [reference] Figure 14 , Figure 15The central axis of the extrusion roller 110c is offset from the central axis of the cleaning roller 10B by an angle θ of 5°-65° in the vertical direction. When the central axis of the squeezing roller 110c deviates vertically by an angle θ of 5° relative to the central axis of the cleaning roller 10B, the squeezing point on the surface of the cleaning roller, which has just been saturated by the squeezing roller 110c and is now undersaturated, continues to rotate counterclockwise. At this point, maintaining an angular velocity of 150rpm-250rpm will not produce any excess squeezed water that would otherwise be centrifugally ejected from that point. Therefore, at this deviation angle, the user does not need to worry about wastewater being centrifugally ejected to the ground at the squeezing point when accelerating the rotation of the cleaning roller 10B while pushing the cleaning head forward. The squeezed wastewater can flow along the surface of the cleaning roller, along the upper surface of the guide tip 110a7, towards the wastewater collection area S, even when the sponge layer on the surface of the cleaning roller is already saturated with water. Due to this eccentric design, even wastewater that is not guided away by the upper surface of the guide tip 110a7 can only continue to flow downwards on the already saturated sponge layer of the cleaning roller surface under the action of gravity, and will eventually be collected by the guide tip 110a7. The wastewater is guided away from the upper surface and will not drip directly onto the ground. When the central axis of the squeezing roller deviates from the central axis of the cleaning roller by an angle θ of 65° in the vertical direction, the projection of the squeezing point from the point closest to the horizontal partition of the cleaning roller in the horizontal direction is less than 3mm (estimated based on the diameter of the cleaning roller in the uncompressed state being 58mm). Even in a saturated state, the sponge layer of the cleaning roller cannot absorb too much wastewater from the cylindrical arc surface from the squeezing point to the point closest to the horizontal partition of the cleaning roller. The foremost point of the water guide tip 110a7 can be located directly below the squeezing roller 110c and adhere to the surface of the squeezed cleaning roller 10B to maintain elastic contact between the water guide tip 110a7 and the cleaning roller 10B. Since the wastewater has been squeezed and discharged by the squeezing roller, there is no need to worry about excess water flowing down the surface of the cleaning roller below the foremost point of the water guide tip 110a7 onto the ground. On the contrary, since the squeezing point is closer to the horizontal partition, the discharged wastewater can be collected in the wastewater diversion and collection area S more quickly. Since the height of the extrusion point at this angle is lower than when the deviation angle θ is 5°, there is less concern about excess saturated water being centrifugally ejected from the extruded point to the ground. Therefore, in this technical solution, a vertical deviation angle θ of 5°-65° between the central axis of the extrusion roller 110c and the central axis of the cleaning roller 10B is preferred.

[0129] In one specific embodiment, see [reference] Figures 1-11 , Figures 16-17The housing body 110a has a U-shaped docking mechanism extending outward from the middle of the cleaning roller 10B. The cleaning head housing assembly 110 also includes a water tank assembly 120, a hinge head assembly 40, and a hinge head locking cover assembly 130. The water tank assembly 120 includes a water tank body 120a sealed as a whole and a sealed side wall 120b, providing clean water to the cleaning roller 10B. The water tank body 120a has a hollow clean water cavity Q inside, with its two ends being transversely semi-cylindrical and its middle part being square columnar. The upper middle part of the water tank body 120a has a notch that can accommodate the rotation of the hinge head assembly 40. The water tank body 120a is orifice-shaped and has a connecting mechanism in the middle. The hinge head assembly 40 can connect the shell body 110a, the water tank assembly 120, and the connecting rod assembly 20. The hinge head latching cover assembly 130 includes a hinge head latching cover body 130a, which can cooperate with the connecting mechanism of the water tank body and the docking mechanism of the shell body to clamp the hinge head assembly 40 between the water tank body 120a, the shell body 110a, and the hinge head latching cover body 130a, and allow the hinge head assembly 40 to rotate around an axis parallel to the cleaning roller axis.

[0130] In one specific embodiment, see [reference] Figures 6-11 The water tank assembly 120 includes a water tank body 120a and a sealed sidewall 120b. The water tank body 120a has a hollow interior with a clean water cavity Q for holding clean water, and the clean water cavity Q is connected to the cleaning roller 10B. The cleaning roller 10B and the squeezing roller 110c are rotatably mounted between the two sidewalls of the housing body 110a. The squeezing roller 110c interferes with the cleaning roller 10B to squeeze out wastewater from the cleaning roller 10B. A wastewater cavity M is provided inside the housing body 110a, and a water guiding part 110a7 is located below the squeezing roller 110c to guide wastewater into the wastewater cavity M.

[0131] Specifically, the water tank body 120a has two horizontally semi-cylindrical ends and a square column shape in the middle. The only vertical surface of the water tank body 120a has an opening covering the entire surface. The upper middle part of the water tank body 120a has a notch that can accommodate the rotation of the hinge head assembly 40. A connecting mechanism is provided in the middle of the water tank body 120a. An opening groove 120a1 is provided on the top wall of one end of the water tank body 120a, and a water inlet (not shown in the attached diagram) is provided on the opening groove 120a1. The lower part of the water tank body 120a... The middle part is also provided with a water outlet 120a2; the sealing side wall 120b sealing cover is provided on the opening, and the end of it near the opening groove 120a1 is provided with an avoidance notch 120a5, and the sealing side wall corresponding to the avoidance notch 120a5 is also provided with a sealing side wall avoidance notch 120b5; the hinge head locking cover body 130a can be connected by a connecting mechanism to clamp the hinge assembly 40 between the cleaning head housing body 110a, the water tank body 120a, and the hinge head locking cover body 130a.

[0132] For further details, please refer to [link / reference]. Figures 6-10 The water tank body 120a has a clearance notch 120a5 at one end near the opening slot 120a1, and the sealing side wall 120b has a corresponding sealing side wall clearance notch 120b5 at one end near the opening slot 120a1. The lower middle part of the water tank body 120a also has a pipeline channel for connecting the water outlet 120a2 and the water pump 40A installed in the hinge head assembly 40; the water outlet 120a2 is a water outlet connector that protrudes to the side of the pipeline channel.

[0133] For further details, please refer to [link / reference]. Figures 6-10 The water tank assembly 120 also includes a flip-top assembly 120c, which can rotatably open / close the opening slot 120a1. The flip-top assembly 120c includes a flip-top body (not shown in the attached drawing), one end of which has a sealing edge (not shown in the attached drawing) extending downwards opposite the water inlet. A sealing ring (not shown in the attached drawing) is fitted on the outer wall of the sealing edge, sealing the water inlet through the sealing ring. A pin (not shown in the attached drawing) passes through the other end of the flip-top body, with both ends of the pin engaged in pin holes (not shown in the attached drawing) on ​​the wall of the opening slot. The flip-top body can rotate around the pin to open / close the water inlet. A vent hole (not shown in the attached drawing) is provided in the area of ​​the flip-top body opposite the water inlet, connecting to the cavity. A one-way valve (not shown in the attached drawing) is fitted on the side of the vent hole facing the water inlet, preventing water in the cavity from overflowing from the vent hole. A first connecting seat 120a3 is provided on the top wall of the middle part of the water tank body, and a second connecting seat 120a4 is provided on the front wall of the middle part of the water tank body. The connecting mechanism includes the first connecting seat 120a3 and the second connecting seat 120a4. Two connecting ears (not shown in the attached figure) are provided at both ends of the sealed side wall. The water tank assembly 120 can be fixedly connected to the cleaning head housing body 110a through the two connecting ears.

[0134] During use, the water-dust circulation cleaning process is as follows: the clean water chamber Q in the water tank body 120a contains clean water, and the clean water chamber Q is connected to the cleaning roller 10B. Clean water can flow from the clean water chamber Q to the cleaning roller 10B, keeping the cleaning roller 10B moist. During the cleaning process, the moist cleaning roller 10B wipes and cleans the ground. The wastewater collection process is as follows: the squeezing roller 110c interferes with the cleaning roller 10B. When the cleaning roller 10B rotates, the squeezing roller 110c squeezes the cleaning roller 10B, squeezing out the wastewater it has absorbed. The water guide tip 110a7 is located below the squeezing roller 110c. Under the action of gravity, the squeezed wastewater is guided along the water guide tip 110a7 to the wastewater chamber M, realizing the collection of wastewater, thus completing the water-dust circulation cleaning process. The entire process does not require an additional brush roller.

[0135] The design of the water inlet and flip-top assembly 120c simplifies the water filling operation, allowing users to easily fill the water chamber Q without complicated steps, thus improving ease of use. The excellent sealing performance of the flip-top assembly 120c when closed effectively prevents water leakage during the use of the cleaning tool, avoiding damage to the internal electronic components and mechanical structure of the cleaning head 10 caused by water leakage, and also reducing potential safety hazards caused by slippery floors. The protective function of the flip-top assembly 120c on the water inlet prevents external dust and debris from entering the water chamber Q, ensuring the cleanliness of the water inside the chamber Q. This ensures that the cleaning roller 10B can use clean water for floor cleaning, improving cleaning effectiveness and extending the service life of components such as the cleaning roller 10B.

[0136] In existing technologies, the water tank assembly 120 is inserted horizontally into the cleaning head 10 or vertically clipped onto the upright, resulting in a heavy overall weight for the floor scrubber and a cumbersome feel when pushed or pulled by the user. This solution, through a rational design of the water and dust circulation cleaning head 10's structure, directly connects the water tank assembly 120 to the cleaning head 10's housing, and the clean water chamber Q and wastewater chamber M are horizontally isolated and arranged inside the cleaning head 10, rather than being suspended from the upright or inserted at a high position. This layout lowers the overall center of gravity, reduces the overall height of the cleaning head 10, and decreases the vertical load. Compared to existing technologies, this allows for a lighter and more nimble operating feel for the cleaning tool, improving the user experience.

[0137] In one specific embodiment, see [reference] Figures 1-3 The docking mechanism of the housing body 110a includes a U-shaped top wall, two vertical walls, and two U-shaped support walls. The U-shaped top wall extends outward from the top of the vertical wall parallel to the horizontal partition in the middle of the housing body 110a. The outward side of the U-shaped top wall is provided with an arc to engage the hinge head assembly 40. The two vertical walls are longitudinally connected to the bottom wall of the housing body 110a at the two transverse ends of the U-shaped top wall. The two U-shaped support walls are parallel to the two vertical walls and connect the U-shaped top wall to the bottom wall of the housing body 110a between the two vertical walls. The outward side of the U-shaped support wall is provided with an arc to engage the hinge head assembly 40.

[0138] In one specific embodiment, see [reference] Figures 1-3 The docking mechanism of the shell body 110a also includes two first fixing seats 110a3 and two second fixing seats 110a4; the two first fixing seats 110a3 are a pair of nut posts located between the vertical wall and the U-shaped support wall and close to the top wall of the U-shape, extending outward from the horizontal wall; the two second fixing seats 110a4 are a pair of nut posts located between the two U-shaped support walls and close to the bottom wall of the shell body 110a, extending outward from the horizontal wall.

[0139] In one specific embodiment, see [reference] Figures 1-11The connecting mechanism includes two first connecting seats 120a3 and two second connecting seats 120a4; the hinge head locking cover body 130a is provided with two first fastening seats 130a3 and two second fastening seats 130a4; when the housing body 110a is docked with the water tank assembly 120, the first connecting seats 120a3 are aligned with the first fixed seats 110a3, and the second connecting seats 120a4 are aligned with the second fixed seats 110a4; the hinge head locking cover body 130a continues to dock with the water tank assembly. At position 120, the first fastening seat 130a3 is aligned with the first connecting seat 120a3, and the second fastening seat 130a4 is aligned with the second connecting seat 120a4. Long screws are then passed through the first fastening seat 130a3, the first connecting seat 120a3, the first fixing seat 110a3, the second fastening seat 130a4, the second connecting seat 120a4, and the second fixing seat 110a4 in sequence to securely connect the housing body 110a, the water tank assembly 120, and the hinge head locking cover body 130a.

[0140] In one specific embodiment, see [reference] Figures 8-11 , Figure 17 The hinge head latching cover assembly 130 also includes a first auxiliary roller 130b and / or a second auxiliary roller 130c, and a pin 130d that can latch the first auxiliary roller 130b and the second auxiliary roller 130c onto the hinge head latching cover body 130a.

[0141] In one specific embodiment, see [reference] Figure 1-3 , Figure 16-17 The housing body 110a has a clean water inlet 110a5 and a clean water outlet 110a6 that are interconnected. Both the clean water inlet 110a5 and the clean water outlet 110a6 are located on one side wall of the cleaning head housing body 110a, with the clean water outlet 110a6 corresponding to the cleaning roller 10B. The cleaning head housing body 110a is connected to an adapter 110g, which is connected to both the clean water inlet 110a5 and the clean water cavity Q. This adapter allows clean water from the clean water cavity Q to be sequentially introduced to the clean water inlet 110a5 and the clean water outlet 110a6, ultimately reaching the cleaning roller 10B and forming a clean water channel. The connection between the adapter 110g and the clean water cavity Q and the clean water inlet 110a5 is tight, effectively preventing water leakage during transmission. Furthermore, the internal clean water channel design of the cleaning head housing body 110a is reasonable, avoiding water leakage caused by pipe bends or loose connections, thus ensuring the stable operation of the cleaning system.

[0142] In one specific embodiment, see [reference] Figure 1-11The housing body 110a is provided with a first fixing seat 110a3 and a second fixing seat 110a4. The water tank body 120a is provided with a first connecting seat 120a3 and a second connecting seat 120a4. The hinge head latching cover body 130a is also provided with a first fastening seat 130a3 and a second fastening seat 130a4. The two fastening seats can cooperate with the two fixing seats and the two connecting seats to clamp the hinge head assembly 40 between the cleaning head housing body 110a, the water tank body 120a, and the hinge head latching cover body 130a. The hinge head latching cover body 130a is also provided with a first auxiliary roller 130b and a second auxiliary roller 130c. The two auxiliary rollers can be fixed to the hinge head latching cover body 130a by roller pins 130d. The first auxiliary roller 130b and the second auxiliary roller 130c can rotate around the roller pins 130d. In actual use, the number and position of the first auxiliary roller 130b and the second auxiliary roller 130c can be flexibly configured according to the actual usage scenario.

[0143] In one specific embodiment, see [reference] Figure 1-3 , Figure 10 , Figure 14-17 The housing body 110a has a sewage chamber M and a dry waste chamber N, which are separated into upper and lower sections. The sewage chamber M is equipped with a water guide tip 110a7 and a sewage overflow prevention plate 110a8. The water guide tip 110a7 is arc-shaped and interferes with the outer wiping layer 10B of the cleaning roller. The sewage overflow prevention plate 110a8 is vertically arranged, forming a sewage flow collection area S between the water guide tip 110a7 and the sewage overflow prevention plate 110a8. A waste container assembly 140 can be inserted laterally into the dry waste chamber N. The dry waste chamber N is specifically designed to collect dry or lightweight waste such as hair, dust, and paper scraps. Its design allows for the laterally inserted waste container assembly 140, facilitating removal and emptying, and preventing adhesion and clumping after contact with liquids.

[0144] In this embodiment of the invention, the cleaning head housing body 110a is divided into a sewage chamber M and a dry waste chamber N. The dry waste chamber N is specifically responsible for collecting dry or lightweight waste such as hair, dust, and paper scraps. The sewage chamber M is specifically responsible for collecting liquid sewage, thus achieving functional specialization. A waste box assembly 140 can also be inserted horizontally into the dry waste chamber N for easy removal and emptying, avoiding the problem of adhesion and clumping after contact with liquid. The cleaning head housing assembly 110 provided in this embodiment of the invention has a sewage chamber M and a dry waste chamber N that are separated vertically. Through the vertically layered structural design, the two functional chambers are arranged side by side within the limited space of the cleaning head 10, greatly improving space utilization. Furthermore, the dry and wet separation design fundamentally solves the pain points of dry waste becoming moldy, smelly, and difficult to clean after being soaked in sewage, maintaining the hygiene inside the collection chamber and simplifying the subsequent waste disposal process.

[0145] Example 2

[0146] Based on the same inventive concept, see [reference] Figures 9 to 17 This embodiment proposes a cleaning head 10, including a cleaning head housing assembly 110, a cleaning roller 10B, a squeezing roller 110c, and a water tank assembly 120 as described in Embodiment 1. The cleaning roller 10B is sleeved on a drive motor 10A, and the output end couples and drives the cleaning roller 10B to rotate and scrub the surface to be cleaned. The housing body 110a is provided with a water guide tip 110a7 that abuts against the outer layer of the cleaning roller in a saturated state along the entire axial direction of the cleaning roller and guides the wastewater. The squeezing roller 110c is rotatably engaged between the two side walls (110a1, 110a2) of the housing body assembly 110, squeezing the upper surface of the cleaning roller 10B and being eccentrically positioned relative to the cleaning roller and close to the water guide tip 110a7. The water tank assembly 120 is detachably connected to the cleaning head housing assembly 110, and the water tank assembly 120 provides clean water for rinsing the surface of the cleaning roller 10B.

[0147] In use, the cleaning process of the cleaning head 10 is as follows: the clean water cavity Q in the water tank body 120a contains clean water, and the clean water cavity Q is connected to the cleaning roller 10B. The clean water can flow from the clean water cavity Q to the cleaning roller 10B, keeping the cleaning roller 10B moist. During the cleaning process, the moist cleaning roller 10B wipes and cleans the ground. The wastewater collection process is as follows: the squeezing roller 110c interferes with the cleaning roller 10B. When the cleaning roller 10B rotates, the squeezing roller 110c squeezes the cleaning roller 10B, squeezing out the wastewater it has absorbed. The water guide tip 110a7 is set below the squeezing roller 110c. Under the action of gravity, the squeezed wastewater is guided along the water guide tip 110a7 to the wastewater cavity M, realizing the collection of wastewater, thereby completing the water and dust circulation cleaning process. The entire process does not require the additional configuration of a brush roller.

[0148] In existing technologies, the water tank assembly 120 is inserted horizontally into the cleaning head 10 or vertically clipped onto the upright, resulting in a heavy overall weight for the floor scrubber and a cumbersome feel when pushed or pulled by the user. This solution addresses this by rationally designing the structure of the cleaning head 10. The water tank assembly 120 is directly connected to the cleaning head housing straight assembly 110, and the clean water chamber Q and wastewater chamber M are horizontally isolated and arranged inside the cleaning head 10, rather than being suspended from the upright or inserted at a high position. This layout lowers the overall center of gravity, reduces the overall height and vertical load of the cleaning head 10, and compared to existing technologies, allows for a lighter and more nimble operation, improving the user experience. The design of the water inlet and flip-top assembly 120c simplifies the water filling operation, allowing users to easily fill the clean water chamber Q without complicated steps, improving ease of use. The excellent sealing performance of the flip-top assembly 120c when closed effectively prevents water leakage during use, avoiding damage to the internal electronic components and mechanical structure of the cleaning head 10 caused by water leakage, and also reducing potential safety hazards caused by slippery floors. The flip-top assembly 120c protects the water inlet, preventing external dust and debris from entering the clean water chamber Q, ensuring the cleanliness of the water in the clean water chamber Q. This ensures that the cleaning roller 10B can use clean water for floor cleaning, improving the cleaning effect and extending the service life of components such as the cleaning roller 10B.

[0149] In one specific embodiment, see [reference] Figures 11-15 The cleaning head 10 also includes a trash can 140; the trash can 140 can be inserted into / removed from the cleaning head housing body 110a through one side wall of the cleaning head housing assembly 110, and the cleaning roller 10B can carry trash into the trash can 140 by rotating and wiping the floor.

[0150] In one specific embodiment, see [reference] Figure 8-10 , Figure 12-17 The hinge head assembly 40 can rotate about an axis parallel to the cleaning roller 10B, forming an angle of 85°-180° with the cleaning head housing assembly 110; when the hinge head assembly 40 rotates away from the locked position, the hinge head assembly 40 can continue to rotate freely until the connecting rod assembly 20 forms a 180° angle with the cleaning head housing assembly 110; when the hinge head assembly 40 rotates back to the locked position, the hinge head assembly 40 and the cleaning head housing assembly 110 can form an 85° angle.

[0151] Furthermore, the hinge head assembly 40 includes a hinge head upper shell 401, a water pump 40A, and a hinge head lower shell 402. One end of the hinge head upper shell 401 is detachably snapped into the connecting rod assembly 20. The water pump 40A delivers clean water to the surface of the cleaning roller 10B of the cleaning head 10. The hinge head lower shell 402 is sandwiched between the cleaning head housing assembly 110, the water tank assembly 120, and the hinge head locking cover body 130a. The bottom of the hinge head upper shell 401 is fitted into the top opening of the hinge head lower shell 402. The locking tongue assembly is restricted to the hinge. The lower housing of the chain head includes a locking tongue 403, which can partially extend out of the lower housing 402 of the hinge head to engage with the locking tongue engaging plate 150 mounted on the cleaning head housing body 110a. The locking tongue 403 can rotate together with the lower housing 402 of the hinge head. When the locking tongue 403 rotates out of the locked position, the hinge head assembly 40 can continue to rotate freely until the connecting rod assembly 20 and the cleaning head housing assembly 110 are at 180°. When the locking tongue 403 rotates back to the locked position, the hinge head assembly 40 and the cleaning head housing assembly 110 are at 85°.

[0152] Furthermore, the latch assembly also includes a latch support 404. The upward-facing side of the latch support 404 can clamp the water pump 40A inside the hinge head housing 401. The downward-facing side of the latch support 404 abuts against the first spring, and the other side of the first spring abuts against the latch 403. The latch 403 is clamped between the latch support 404 and the hinge head lower housing 402 and can partially extend out of the hinge head lower housing 402. The hinge head upper housing contains a locking button 405 and a locking button support 406. The outward-facing side of the locking button support 406 abuts against the second spring, and the other side of the second spring abuts against the locking button 405. The locking button 405 partially extends out of the hinge head upper housing 402 to achieve the engagement of the hinge head assembly 40 with the connecting rod assembly 20. The top of the hinge head housing 401 has a locking hole for engaging the hinge head electrical connector 40B. The water pump 40A is electrically connected to the hinge head electrical connector 40B. The water pump 40A can be electrically connected to the connecting rod assembly 20 and the handle assembly 30 via a wire harness that is electrically connected to the hinge head electrical connector 40B. The hinge head lower housing 402 includes a rotating cylinder and a sleeve cylinder perpendicular to the rotating cylinder. The rotating cylinder has openings at both ends, through which the inlet and outlet pipes of the water pump 40A and the wire harness that is electrically connected to the hinge head electrical connector 40B can pass. The bottom of the hinge head housing 401 is fitted into the top opening of the sleeve cylinder, and the hinge head lower housing 402 can rotate around the axis of the rotating cylinder.

[0153] Furthermore, the hinge head upper shell 401 and the hinge head lower shell 402 are rotatably sleeved together. At least one nut post extends from the bottom of the hinge head lower shell 402 towards its top opening. The hinge head upper shell 401 has a screw groove on its peripheral wall corresponding to the nut post. The hinge head upper shell and the hinge head lower shell are fixedly connected by at least one screw. The hinge head upper shell 401 includes an upper snap-fit ​​portion and a lower sleeve portion. The peripheral wall of the upper snap-fit ​​portion has a screw groove corresponding to the nut post, and the upper snap-fit ​​portion is detachably snap-fitted to the rod assembly 20. The peripheral wall of the lower sleeve portion has a clearance groove corresponding to the nut post, and the lower sleeve portion is detachably fixedly connected to the hinge head lower shell 402. The hinge head shell 401 also includes a fixing step ring, which is located between the upper snap-fit ​​part and the lower sleeve part. When the lower sleeve part of the hinge head shell 401 is fitted into the top opening of the hinge head lower shell 402, the screw can pass through the screw groove and fasten the hinge head lower shell 402 to the hinge head shell 401 with the upper surface of the fixing step ring facing down.

[0154] In existing technologies, the cleaning head 10 using the "water-dust circulation" technology is equipped with a brush roller. Whether driven by a separate motor or by a transmission mechanism via a cleaning roller drive motor 10A, this increases the power consumption of the cleaning head 10 and the overall power consumption of the cleaning tool, as well as increasing operating noise. This embodiment eliminates the independent brush roller and its drive mechanism found in traditional cleaning heads 10. It relies solely on the interaction between the cleaning roller 10B and the squeezing roller 110c to physically squeeze and recycle wastewater, eliminating the additional power load and avoiding the extra power consumption and noise problems caused by the brush roller drive. This effectively reduces the power consumption and noise of the cleaning tool during operation. The cleaning roller 10B simultaneously performs cleaning and wastewater adsorption functions, while the squeezing roller 110c replaces the scraping function of the brush roller, resulting in a simpler structure.

[0155] Example 3

[0156] Based on the same inventive concept, see [reference] Figure 1 and Figure 2 This embodiment proposes a cleaning tool, including a connecting rod assembly 20, a handle assembly 30, a hinge head assembly 40, and a cleaning head 10 as described in Embodiment 2. One end of the connecting rod assembly 20 is connected to the hinge head assembly 40 of the water-dust circulation cleaning head 10, and the other end of the connecting rod assembly 20 is connected to the handle assembly 30. The handle assembly 30 houses a main control board and a battery pack. The main control board can be electrically connected to the drive motor 10A in the water-dust circulation cleaning head 10 and the water pump 40A in the hinge head assembly 40 via an electrical connection harness passing through the rod assembly. The main control board controls the operation of the drive motor 10A and the water pump 40A.

[0157] The above are merely preferred embodiments of the present invention and are not intended to limit the implementation methods and protection scope of the present invention. Those skilled in the art should recognize that any equivalent substitutions and obvious changes made based on the content of this specification should be included within the protection scope of the present invention.

Claims

1. A cleaning head housing assembly for assembling a cleaning head, characterized in that, The device includes a housing body and two side walls connecting the housing body. One side wall is fixedly connected to a hinge seat, which is hinged to one end of a drive motor. The output end of the drive motor is engaged with the other side wall. A cleaning roller can be sleeved on the drive motor. The cleaning roller includes a cleaning roller body and a cleaning roller outer layer covering the outer periphery of the cleaning roller body. The output end couples and drives the cleaning roller to rotate and scrub the surface to be cleaned. The housing body has a water guide tip that abuts against the cleaning roller outer layer in a saturated state along the entire axial direction of the cleaning roller and guides the wastewater. The cleaning head housing body can be detachably connected to a water tank assembly, which provides clean water for rinsing the surface of the cleaning roller. A rotatable squeezing roller is sandwiched between the two side walls, squeezing the upper surface of the cleaning roller and eccentrically positioned relative to the cleaning roller close to the water guide tip. Among them, clean water can be sprayed from the clean water outlet set on one of the side walls to directly rinse the surface of the cleaning roller. The cleaning head housing body, which is away from the squeezing roller and is located away from the water guide tip, extends upward from the cleaning roller with an anti-overflow plate. The water guide tip, the anti-overflow plate, the squeezing roller and the cleaning roller enclose a water tank space. Preferably, the trash can can be inserted / removed through one of the side walls, and the rotating cleaning roller can carry the trash into the trash can while wiping the floor; Preferably, the cleaning head housing assembly further includes: The detachable shovel assembly is detachably connected to the lower edge of the cleaning head housing near the cleaning roller, close to the surface to be cleaned, and located between the cleaning roller and the dustbin; the side of the detachable shovel assembly close to the cleaning roller is curved to match the surface of the cleaning roller. Preferably, the cleaning head housing body further includes a waste guide disposed between the removable shovel assembly and the waste container; the upper surface of the waste guide or the waste guide and the removable shovel assembly forms an inclined waste guiding area; the waste guiding area is located below the squeezing roller and communicates with the waste container; Preferably, on a cross section perpendicular to the axial direction of the cleaning roller, the cleaning head housing body is further provided with a transverse partition extending away from the cleaning roller above the waste box, which is connected to the water guide tip. The other end of the transverse partition extends upward to a transverse vertical wall, the top of which is flush with the top of the side walls. The side walls, the water guide tip, the transverse partition, and the transverse vertical wall together enclose the sewage cavity. The waste guide extends away from the cleaning roller with a bottom plate that is flush with the bottom of the side walls. The bottom plate extends to be flush with the outer end face of the horizontal end face vertical wall. The bottom plate and the transverse partition are always hollowed out. The outer layer of the cleaning roller, the bottom plate, and the transverse partition enclose the dry waste cavity.

2. The cleaning head housing assembly as claimed in claim 1, characterized in that, The overflow shield has holes or grooves connecting the water tank space and the sewage cavity; Preferably, the hole or groove is located on one side of the sewage cavity, and a one-way filtration device is provided, so that the sewage guided by the water guide tip can only flow in one direction from the water tank space through the one-way filtration device to the sewage cavity.

3. The cleaning head housing assembly as claimed in claim 1, characterized in that, Also includes: The top cover is located above the extrusion roller, and the side closest to the cleaning roller can be rotated open along the axis parallel to the cleaning roller. Preferably, the lower surface of the top cover extends downward parallel to the cleaning roller axis with an anti-overflow flange, which fits with the top of the anti-overflow plate to isolate the upper part of the water tank space from the sewage cavity. Preferably, the lower surface of the upper cover is provided with an abutting part, which abuts against the extrusion roller to clean the surface of the extrusion roller; Preferably, the abutting portion abuts against the extrusion roller at intervals along the axial direction of the extrusion roller, and the abutting portion consists of a plurality of spaced dot-shaped protrusions.

4. The cleaning head housing assembly as claimed in claim 1, characterized in that, The outer layer of the cleaning roller is a sponge layer. When the sponge layer is unsaturated, a gap is formed between the lower surface of the water guide tip and the sponge layer, and the seeping sewage drips onto the sponge layer or into the body of the cleaning head housing. Preferably, the squeezing roller is driven to rotate by the friction of the cleaning roller body; Preferably, a sliding locking block is also provided on each of the two side walls, and the sliding locking block is provided with a sliding groove for the end of the extrusion roller to slide in / out; When it is necessary to remove the extrusion rollers, both ends of the extrusion rollers can be slid out from the grooves in the sliding locking blocks of each extrusion roller; When the cleaning head is working, the two ends of the squeeze roller can rotate at the ends of the chute.

5. The cleaning head housing assembly as claimed in claim 1, characterized in that, The output end of the drive motor is connected to an end-torsion assembly, which is engaged with the other side wall. The cleaning head housing assembly also includes: The transmission mechanism is located on one side wall that engages with the end-twist assembly. It is connected to the drive motor via the end-twist assembly to simultaneously drive the cleaning roller and the squeezing roller to rotate. Preferably, the transmission mechanism includes: The drive gear is coupled to the end torque assembly; The first driven gear set meshes with the driving gear and includes at least one first driven gear and a second driven gear. The first driven gear meshes with the driving gear, the first driven gear meshes with the second driven gear, and the second driven gear is connected to the coupling end of the extrusion roller in a driving connection. Preferably, a sliding locking block is provided on one side wall connected to the hinge seat, and the sliding locking block is provided with a groove for the end of the extrusion roller to slide in / out. Preferably, the extrusion roller includes: The extrusion roller body has an inner cavity; The bearing is located at one end of the extrusion roller body and is covered at the opening of the inner cavity; An elastic support shaft is located at one end of the extrusion roller body and includes a locking member and a spring. Part of the locking member is limited to the inner cavity by the bearing. The locking member is elastically connected to the inner wall of the inner cavity through the spring. The locking member extending out of the inner cavity can be locked to one side wall of the cleaning head housing body. Preferably, a gear connection portion is provided at the other end of the extrusion roller body relative to the bearing and the elastic support shaft, the gear connection portion comprising: The fixing part is connected to the extrusion roller body; The connecting part is connected to the fixing part and also to the second driven wheel; In use, the drive motor rotates, causing the cleaning roller body to rotate, which in turn drives the drive gear to rotate. The drive gear then drives the second driven wheel to rotate, and the second driven wheel in turn drives the squeezing roller body to rotate.

6. The cleaning head housing assembly as claimed in claim 1, characterized in that, The central axis of the extrusion roller is offset from the central axis of the cleaning roller by 5°-65° in the vertical direction.

7. The cleaning head housing assembly as claimed in claim 1, characterized in that, The housing body extends outward from the direction opposite to the cleaning roller, and has a U-shaped docking mechanism. The cleaning head housing assembly also includes: The water tank assembly includes a water tank body and a sealed sidewall that are sealed as a whole, providing clean water for the cleaning roller; the water tank body has a hollow cavity inside, with its two ends being transverse semi-cylindrical and its middle part being square columnar, and the upper middle part of the water tank body having a notch that can accommodate the rotation of the hinge head assembly, and a connecting mechanism is provided in the middle of the water tank body. The hinge head assembly connects the cleaning head housing, water tank assembly, and connecting rod assembly. The hinge head latching cover assembly includes a hinge head latching cover body, which can be engaged with the connection mechanism of the water tank body and the docking mechanism of the shell body to clamp the hinge head assembly between the water tank body, the shell body and the hinge head latching cover body, and allow the hinge head assembly to rotate around an axis parallel to the axis of the cleaning roller. Preferably, the water tank body has an opening covering the entire surface on its only vertical surface, a sealing cover is provided on the opening, a water inlet is provided on the top wall at one end of the water tank body, and a water outlet is provided in the middle of the lower part of the water tank body. Preferably, one end of the water tank body is provided with an avoidance notch, and the sealing side corresponding to the end of the water tank body is provided with a sealing sidewall avoidance notch corresponding to the avoidance notch; Preferably, the lower middle part of the water tank body is also provided with a pipeline channel for connecting the water outlet and the water pump installed in the hinge head assembly; the water outlet is a water outlet connector protruding to the side of the pipeline channel.

8. The cleaning head housing assembly as claimed in claim 7, characterized in that, A first connecting seat is provided on the top wall of the middle part of the water tank body, and a second connecting seat is provided on the front wall of the middle part of the water tank body. The connecting mechanism includes the first connecting seat and the second connecting seat. Preferably, the sealed sidewall has two connecting ears at both ends, which can be used to further detachably connect the water tank assembly to the cleaning head housing body.

9. The cleaning head housing assembly as claimed in claim 7, characterized in that, The partner organizations include: The U-shaped top wall extends outward from the top of the vertical wall parallel to the horizontal partition in the middle of the cleaning head housing body. The outward side of the U-shaped top wall is provided with an arc to engage the hinge head assembly. Two vertical walls connect longitudinally to the bottom wall at the two transverse ends of the U-shaped top wall; Two U-shaped support walls are parallel to the two vertical walls and connect the top and bottom walls of the U-shape between the two vertical walls. The outward side of the U-shaped support wall is provided with an arc to engage the hinge head assembly. Preferably, the docking mechanism also includes: The two first fixing seats are a pair of nut columns that are located between the vertical wall and the U-shaped support wall and close to the top wall of the U-shape, extending outward from the horizontal wall. The two second fixing seats are a pair of nut columns that are located between the two U-shaped support walls and close to the bottom wall, extending outward from the horizontal wall; Preferred, The connecting mechanism includes two first connecting seats and two second connecting seats; The hinge head latch cover body is provided with two first fastening seats and two second fastening seats; When the shell body is connected to the water tank assembly, the first connecting seat is aligned with the first fixed seat, and the second connecting seat is aligned with the second fixed seat; when the hinge head latching cover body continues to connect to the water tank assembly, the first fastening seat is aligned with the first connecting seat, and the second fastening seat is aligned with the second connecting seat. Long screws are used to pass through the first fastening seat, the first connecting seat, the first fixed seat, the second fastening seat, the second connecting seat, and the second fixed seat in sequence to fasten the shell body, the water tank assembly, and the hinge head latching cover body. Preferably, the hinge head latching cover assembly further includes a first auxiliary roller and / or a second auxiliary roller, as well as a pin that can latch the first auxiliary roller and the second auxiliary roller onto the hinge head latching cover body.

10. A cleaning head, characterized in that, include: The cleaning head housing assembly as described in any one of claims 1-9; The cleaning roller is mounted on the drive motor, and the output end couples to drive the cleaning roller to rotate and scrub the surface to be cleaned; the cleaning head housing body is provided with a water guide tip that abuts against the outer layer of the cleaning roller in the saturated state along the entire axial direction of the cleaning roller and guides the sewage. The squeezing roller is rotatably engaged between the two side walls, squeezing the upper surface of the cleaning roller and is set eccentrically relative to the cleaning roller and close to the water guide tip. The water tank assembly is detachably connected to the cleaning head housing assembly. The water tank assembly provides clean water for rinsing the surface of the cleaning roller. Preferably, the cleaning head further includes: The trash can can be inserted into / removed from the cleaning head housing body through one of the side walls. The rotating cleaning roller can carry trash into the trash can while wiping the floor.

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