Entanglement cleaning method of surface cleaning device

Abstract

The invention discloses an entanglement cleaning method of a surface cleaning device, the surface cleaning device comprises a cleaning part for rotatably wiping a to-be-cleaned surface, and the method is characterized by comprising the following steps: entanglement clustering: the cleaning part alternately rotates in forward and reverse directions, and the single reverse rotation duration of the cleaning part is t1; a roller brush cavity is cleaned, specifically, the cleaning piece rotates forwards and backwards alternately, and the single-time reverse rotation duration of the cleaning piece is t2; wherein t1lt is greater than t1t; and t2. According to the invention, when the entanglement clustering step is in forward and reverse rotation alternation, hair in the roller brush cavity is rubbed in forward and reverse directions through forward and reverse circulation alternation operation at a relatively small angle, so that strip-shaped or ball-shaped surfaces and dirt on the roller brush cavity are gathered; in the roller brush cavity cleaning step, a cleaning roller rotates at a large angle to drive clustered or strip entanglements to rotate together, and dirt attached to the wall of a roller brush cavity is wiped and cleaned by means of the entanglements.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cleaning equipment, in particular to a winding object cleaning method of a surface cleaning device. BACKGROUND

[0002] With the continuous improvement of people's living standards, surface cleaning equipment used in families has been widely used. Vacuum cleaners, floor washing machines, robots and other products are increasingly used to assist in cleaning scenes. For household cleaning, hair and other winding objects on the surface to be cleaned are prone to winding around the roller brush or the shaft, causing the device to malfunction.

[0003] To solve the above problems, the present application provides a comb tooth structure in the patent application number CN202311162506.8, the front tooth surface extends downward from the outside of the top of the suction port to at least partially block the suction port. While scraping dirt, the surface cleaning device is cleaning the surface to be cleaned, the suction fan is working, so that the effective area of the suction port is smaller, and the wind pressure of the suction port partially blocked by the comb is increased. Most of the dirt and dirt and hair and other winding objects sucked from the surface to be cleaned into the suction port can easily enter the suction port. This way works better for medium-length hair. However, in household use, pet hair and long hair and other situations are inevitable. These winding objects are prone to stick to the roller brush cavity wall and get stuck between the roller brush and the scraper / comb, which increases the difficulty of cleaning and greatly affects the user's experience. SUMMARY

[0004] To at least partially solve the shortcomings and deficiencies existing in the prior art, the present application provides a winding object cleaning method of a surface cleaning device, the surface cleaning device comprising a cleaning member rotating to wipe a surface to be cleaned, characterized in that the method comprises:

[0005] Winding object grouping step: the cleaning member alternately rotates forward and backward, and the single reverse rotation time of the cleaning member is t1;

[0006] Roller brush cavity cleaning step: the cleaning member alternately rotates forward and backward, and the single reverse rotation time of the cleaning member is t2;

[0007] Wherein, t1 < t2.

[0008] Further, in the winding object grouping step, the forward and backward alternating cycle of the cleaning member is Q1; in the roller brush cavity cleaning step, the forward and backward alternating cycle of the cleaning member is Q2, wherein Q1 < Q2.

[0009] Further, the number of times of forward and reverse rotation of the cleaning element in the winding material bundling step is N1, and the number of times of forward and reverse rotation of the cleaning element in the roller brush cavity cleaning step is N2, wherein N1>N2.

[0010] Further, the surface cleaning device further comprises a scraper, and the cleaning element and the scraper have a first state of abutting each other and a second state of being separated from each other.

[0011] The first sub-step is: supplying liquid by the liquid supply assembly, controlling the cleaning element to be in the first state, and rotating the cleaning element forward and reversely alternately.

[0012] Further, before the liquid supply assembly supplies liquid in the first sub-step, the cleaning element is controlled to be in the second state.

[0013] Further, the winding material bundling step further comprises:

[0014] The second sub-step is: supplying liquid by the liquid supply assembly, controlling the cleaning element to be in the second state, and rotating the cleaning element forward and reversely alternately.

[0015] Further, the cleaning element and the sewage suction fan work simultaneously in the winding material bundling step.

[0016] Further, the roller brush cavity cleaning step comprises:

[0017] Controlling the cleaning element to be in the first state and rotating the cleaning element forward;

[0018] Controlling the cleaning element to be in the second state and rotating the cleaning element reversely;

[0019] The above steps are repeated for a predetermined number of times.

[0020] Further, the cleaning element and the scraper have a first state of abutting each other and a second state of being separated from each other, and the roller brush cavity cleaning step further comprises:

[0021] Controlling the cleaning element to be in the second state and rotating the cleaning element forward;

[0022] Controlling the cleaning element to be in the first state and rotating the cleaning element reversely;

[0023] The above steps are repeated for a predetermined number of times.

[0024] Further, after the roller brush cavity cleaning step, the surface cleaning device further comprises:

[0025] The sewage suction step is: supplying liquid by the liquid supply assembly, controlling the cleaning element to be in the first state, and rotating the cleaning element forward and reversely alternately while the sewage suction fan is turned on.

[0026] The beneficial effects of the technical solution include:

[0027] In this embodiment, when the winding mass is alternately rotated forward and backward in the winding mass bundling step, the cleaning member is rotated forward and backward at a relatively small angle for a single reverse rotation time t1. The cleaning member is alternately rotated forward and backward to rub the hair stuck between the scraping member and the cleaning member or the comb gap in the forward and reverse directions. The cleaning member contacts the wiping member to simulate the working principle of "rubbing a rope" to rub the dirt into strips or bundles, which are more easily sucked away by the dirt suction fan. Then, the cleaning member is rotated in the reverse direction for a reverse rotation time t2 (t1 < t2) in the roller brush cavity cleaning step. The cleaning roller is rotated at a large angle. Since the winding mass gathered into strips or bundles has a large flexibility, the outer surface of the cleaning member drives the winding mass gathered into bundles or strips to rotate together. The winding mass gathered into bundles is clamped between the cleaning member and the roller brush cavity wall to wipe and clean the dirt adhered to the roller brush cavity wall. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the surface cleaning device.

[0029] Figure 2 It is a schematic diagram of the winding mass cleaning method flow of the surface cleaning device.

[0030] Figure 3 It is a schematic diagram of the internal structure of the brush in one possible implementation of the first embodiment of the surface cleaning device.

[0031] Figure 4 It is a schematic diagram of the water distribution plate structure of the first embodiment of the surface cleaning device.

[0032] Figure 5 It is an exploded view of the water distribution plate of the first embodiment of the surface cleaning device.

[0033] Figure 6 It is a schematic diagram of the cross-sectional structure of the water distribution plate.

[0034] Figure 7 It is a schematic diagram of the cross-sectional structure of the water distribution plate. Figure 3 It is a schematic diagram of the cross-sectional structure of the water distribution plate.

[0035] Figure 8 It is a schematic diagram of the cross-sectional structure of the water distribution plate. Figure 3 It is a schematic diagram of the cross-sectional structure of the water distribution plate.

[0036] Figure 9 It is a schematic diagram of the cross-sectional structure of the water distribution plate. Figure 3 It is a schematic diagram of the cross-sectional structure of the water distribution plate.

[0037] Figure 10 It is a schematic diagram of the internal structure of the brush in the preferred implementation of the first embodiment of the surface cleaning device.

[0038] Figure 11 for Figure 10 A magnified view of a section in part D;

[0039] Figure 12 This is a partial cross-sectional structural diagram of a preferred embodiment of the surface cleaning device.

[0040] Figure 13 This is a schematic diagram of the process for cleaning up tangled materials according to a preferred embodiment of Example 1;

[0041] Figure 14 This is a schematic diagram of the preferred embodiment of the entanglement removal method in Example 2;

[0042] Figure 15 This is a partial cross-sectional structural diagram of the surface cleaning device in Embodiment 3 when it is docked with the base and the cleaning component is in the first state;

[0043] Figure 16 This is a partial cross-sectional structural diagram of the surface cleaning device in Embodiment 3 when it is docked with the base and the cleaning component is in the second state. Detailed Implementation

[0044] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, 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 within the scope of protection of the present invention. In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance, let alone relative sequence or priority.

[0045] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0046] It should be noted that the surface cleaning device in the embodiments of the present invention can be a dry vacuum cleaner or a floor washing / mopping device that can handle both dry and wet cleaning. Specifically, the surface cleaning device can be a handheld cleaning machine with a handle and manually operated by the user, such as a handheld floor scrubber, handheld floor mop, or handheld vacuum cleaner; it can also be a cleaning robot with drive wheels, which can control the drive wheels to move according to its stored program and control the cleaning rollers to clean the floor. The present invention will be further described below with reference to the accompanying drawings and specific embodiments, using a handheld surface cleaning device as an example.

[0047] As a surface cleaning device of the present invention, such as Figures 1-13 As shown, the device includes a body 10 and a floor brush 20, which are hinged together. The floor brush 20 includes a floor brush housing 210 and is equipped with a drive assembly, a roller brush cavity, a cleaning component 202, a scraping component 203, and a roller brush cover 204. The drive assembly includes a drive motor 201. The cleaning component 202 and the scraping component 203 are disposed in the roller brush cavity. The drive motor 201 is rotatably connected to the cleaning component 202 to rotate and wipe the dirt on the surface to be cleaned. The cleaning component 202 and the scraping component 203 are in a first state of mutual contact. A preset interference amount is formed between the cleaning component 202 and the scraping component 203. For example, this first state is present at least when cleaning the surface to be cleaned, so that the dirt carried by the cleaning component can be scraped off by the scraping component. Specifically, the wiping element 203 can be a scraper, a comb, or a combination thereof, and can be made of metal, plastic, or rubber. Preferably, the wiping element 203 is formed by combining a scraper 2032 and a comb 2031. The surface cleaning device further includes a water supply component and a suction component. The water supply component includes a clean water tank, a water pump 205, and a water distribution plate 206. The clean water tank, water pump 205, and water distribution plate 206 are connected in sequence through pipelines to supply the cleaning liquid in the clean water tank to the cleaning components through multiple outlets on the water distribution plate 206. The outlets are arranged along the axial direction of the cleaning rollers, and the comb teeth are located below the outlets, so that dirt in the gaps between the comb teeth can be flushed during the self-cleaning process. The suction component includes a suction port 207, a wastewater tank, and a suction fan. The suction port 207, the wastewater tank, and the suction fan are connected in sequence through pipelines. The suction port 207 is connected to the roller brush cavity to suck away dirt on the surface to be cleaned, the cleaning components, or dirt scraped off by the scraping components and store it in the wastewater tank. The body 10 is also equipped with a battery assembly and a control board. The control board is electrically connected to the drive motor, the suction fan, and the battery assembly to control the battery assembly to supply power to the drive motor and the suction fan and to control them to start, stop, and perform other actions.

[0048] As part of the present invention, it further includes a cleaning tank 310 formed to accommodate the cleaning member 202. In one form of the cleaning tank, the cleaning tank 310 is formed on the base 30, and a surrounding rib 330 is provided on the peripheral side of the cleaning tank. When the user needs self-cleaning or charging the battery assembly, the surface cleaning device is placed on the base so that the two are adaptively docked. In another form of the cleaning tank, the cleaning tank is formed with a tank plate, and the tank plate is movably arranged in the floor brush. When self-cleaning operation is required, the tank plate moves below the cleaning member to form a cleaning tank for the self-cleaning operation of the cleaning member.

[0049] After the above surface cleaning device finishes cleaning the surface to be cleaned, it docks with the base 30, making the roller brush located in the cleaning tank, and automatically starts or responds to the user manually triggering the start switch to start self-cleaning. The method for cleaning the entanglement of the above surface cleaning system will be described below.

[0050] The method for cleaning the entanglement includes:

[0051] Entanglement成团步骤: The cleaning member rotates forward and backward alternately, and the single reverse rotation duration of the cleaning member is t1;

[0052] Roller brush cavity cleaning step: The cleaning member rotates forward and backward alternately, and the single reverse rotation duration of the cleaning member is t2;

[0053] Wherein, t1 < t2.

[0054] In this embodiment, during the forward and reverse alternation in the entanglement成团步骤, the single reverse rotation duration of the cleaning member is t1. The cleaning member first rotates forward and backward cyclically alternately at a relatively small angle, so as to rub the hair stuck between the scraping member and the cleaning member or in the comb teeth gap in both the forward and reverse directions. By using the contact between the cleaning member and the wiping member, simulating the working principle of "twisting hemp ropes", such light, loose and sparse dirt is rubbed and aggregated into strips or lumps respectively, making it easier to be sucked away by the suction fan; then it enters the roller brush cavity cleaning step. The cleaning member rotates in the reverse direction for a duration of t2 (t1 < t2). The cleaning roller rotates at a large angle. Since the entangled objects aggregated into strips or lumps have greater flexibility, the outer surface of the cleaning member is used to带动 the entangled objects in lumps or strips to rotate together. The entangled objects in lumps are sandwiched between the cleaning member and the wall of the roller brush cavity, and the entangled objects are used to wipe and clean the dirt adhered to the wall of the roller brush cavity.

[0055] As an implementation manner of this embodiment, in the entanglement成团步骤, the forward and backward alternate cycle of the cleaning member is Q1; in the roller brush cavity cleaning step, the forward and backward alternate cycle of the cleaning member is Q2, where Q1 < Q2.

[0056] In the process of tangling, the cycle of the cleaning parts alternating between forward and reverse rotation is relatively short. This makes the angle or time of forward and reverse rotation similar during the forward and reverse rotation, resulting in better kneading effect in both directions. Moreover, the tangled material that is kneaded into strips or clumps is relatively concentrated, and the strips or clumps of tangled material are more likely to gather into larger strips or clumps, further increasing the removability of the tangled material.

[0057] In another embodiment of this invention, in the step of forming the wrapped material into a ball, the number of times the cleaning component alternates between forward and reverse directions is N1, and in the step of cleaning the roller brush cavity, the number of times the cleaning component alternates between forward and reverse directions is N2, where N1 > N2. It should be noted that the number of times the component alternates between forward and reverse directions is a positive integer, and can be 1, 2, 3, etc.

[0058] As mentioned earlier, by increasing the number of forward and reverse alternations N1 in this step, the loose entangled material can be gathered into strips or clumps as much as possible. With the entangled material already in strips or clumps, its removability increases. Moreover, because the volume of the clumps increases, its wiping effect on the roller brush cavity can also be enhanced. Therefore, in order to further improve cleaning efficiency, the number of forward and reverse alternations N2 in the roller brush cavity cleaning step can be reduced, thereby improving efficiency while taking into account both the removal of entangled material and the cleaning effect of the roller brush cavity.

[0059] Understandably, the forward / reverse switching of the cleaning component can be either forward first and then reverse, or reverse first and then forward. (See attached document.) Figures 7 to 9 For example, based on the reference direction in the attached figure, if the counterclockwise rotation of the cleaning component is defined as forward rotation, then the clockwise rotation of the cleaning component is reverse rotation; if the clockwise rotation of the cleaning component is defined as forward rotation, then the counterclockwise rotation of the cleaning component is reverse rotation. The following embodiments will be explained using the counterclockwise rotation of the cleaning component as the example of forward rotation.

[0060] Example 1:

[0061] Combined with appendix Figures 3 to 13 As shown, in this embodiment, the cleaning component 202 and the scraping component 203 also have a second state of separation from each other. In one possible implementation, the cleaning component 202 is fixedly mounted on the floor brush, and the scraping component 203 is movably mounted on the floor brush. The scraping component 203 can move relative to the cleaning component to control the distance between the scraping component 203 and the cleaning component. In another possible implementation, both the cleaning component and the scraping component are movably mounted on the floor brush, and the cleaning component and the scraping component 203 can move relative to each other simultaneously to adjust the distance between the scraping component and the cleaning component. In a preferred implementation, the scraping component 203 is fixedly mounted on the floor brush, and the cleaning component is movably mounted on the floor brush. The cleaning component can move relative to the scraping component to control the distance between the scraping component and the cleaning component.

[0062] The two movement methods described above are explained below.

[0063] In one possible implementation described above, combined with Figures 2 to 8As shown, the water-distributing plate and the wiping component are connected to form an integrated assembly structure. During the first state switch, the water-distributing plate 206 and the wiping component 203 move together. The floor brush housing 210 is provided with an movable groove with an opening facing the roller brush direction, and the integrated assembly structure is installed in the movable groove. Specifically, the water-distributing plate 206 includes a main housing 2061, a middle plate 2062, and a top cover 2063. The main housing 2061 is provided with a water outlet, and the top surface of the main housing 2061 is provided with a concave portion. The middle plate 2062 and the top cover 2063 are successively embedded in the concave portion. A second flow channel communicating with the water supply port is formed between the lower surfaces of the main housing 2061 and the middle plate 2062. A first flow channel communicating with the second flow channel is formed between the upper surface of the middle plate 2062 and the top cover 2063. The first flow channel is located above the second flow channel, and the cleaning liquid is evenly distributed through the first flow channel and the second flow channel. The top surface of the comb-tooth component 2031 is provided with a screw post 20311, which passes through the scraper 2032, the main housing 2061, the middle plate 2062, and the top cover 2063 sequentially from top to bottom, and is finally fixed by a fastening screw 2064, thereby connecting the water distribution plate 205 and the wiping component 203 to form an integrated assembly structure. The middle plate 2062 is provided with a water inlet 20621, which is connected to the first flow channel. Water enters from the water inlet 20621 in a horizontal direction, so that the water inlet direction of the water inlet 20621 is perpendicular to the arrangement direction of the first and second flow channels. The integrated component structure also includes a sealing element 2065, which is annularly arranged around the outer periphery of the main housing 2061 and the comb tooth 2031 and contacts the peripheral wall of the movable groove. The sealing element of the corresponding part of the main housing 2061 is closer to the roller brush surface than the sealing element of the corresponding part of the comb tooth 2031, so that the sealing element 2031 is inclined and approximately tangent to the roller brush. The main housing 2061 is also provided with a transmission wall 20611 and a limiting post 20612, which are formed by extending rearward from the rear wall surface of the main housing 2061. That is, the extension direction of the transmission wall 20611 and the limiting post 20612 is parallel to the extension direction of the water inlet or the water inlet direction. The bottom of the movable groove is provided with an opening structure for the transmission wall 20611 to extend out, and an elastic member such as a spring is provided between the limiting post 20612 and the movable groove. The floor brush housing 210 also has a driver 208. The output end of the driver 208 is connected to the transmission wall 20611 through a transmission component 209 to make the integrated component structure move in the front and back direction, thereby realizing the switching control between the cleaning component and the scraping component between the first state and the second state.The transmission assembly 209 includes a threaded post 2091 and a threaded fitting 2092. One end of the threaded post 2091 is fixedly connected to the output end of the driver 208. The outer surface of the threaded post 2091 is provided with a transmission thread. The threaded fitting 2092 includes a first end with an internal thread and a second end with a limiting protrusion 20921. The limiting protrusion 20921 of the second end extends into a hole or groove 206111 on the transmission wall 20611 to achieve a transmission connection.

[0064] In this embodiment, after the integrated component structure moves backward into position and contacts the bottom of the movable groove, the wiping element remains at least partially outside the movable groove and extends into the roller brush cavity. This allows the wiping element, although separated from the roller brush, to still scrape and block large clumps of dirt within the roller brush cavity. The driver 208 is preferably a motor. The output end of the driver rotates, transmitting power to the threaded post, threaded fitting, and limiting post 2062, thereby moving the integrated component structure. The extending direction of the limiting post is the same as the extending direction of the water inlet connector. There are two drivers, asymmetrically arranged about the central axis of the floor brush and located on both sides of the suction port.

[0065] In a preferred embodiment, combined with Figures 9 to 11As shown, the cleaning component 202 includes a side plate 2021 and a roller 2022, which are pivotally connected. The floor brush housing 210 includes an upper shell 210a, a lower shell 210b, and a cover 210c. The 210b is provided with a mounting groove 2101, a first groove 2102, and a second groove 2103 for placing the driver 208. The first groove and the second groove are respectively disposed on two opposite side walls of the floor brush housing. The first groove 2102 is formed by at least a partial inward recess of one side wall of the floor brush housing, and the second groove 2103 is formed by at least a partial inward recess of the other side wall of the floor brush housing. The cover 210 is mounted on the lower shell 210b, and the bottom wall of the first groove is at least partially inward recessed to form a sliding groove 2104. The drive assembly includes a driver 208, a bracket 2011, an end cap 2012, and a transmission assembly 209'. The drive motor is mounted on the bracket 201, and the bracket 2011 is pivotally connected to the end cap 2012. During installation in the cleaning room, the user holds the side plate 2021 and inserts it from the first groove 2102 side of the floor brush housing to the second groove 2103 side. After installation, the side plate 2021 is embedded in the first groove 2102 and flush with the side wall of the floor brush housing. The output end of the drive motor is connected to the roller 2022. The side plate 2021 and the end cap 2102 are respectively connected to the output end of the driver 208 via the transmission assembly 209'. The side plate 2021 and the end cap 2102 drive the cleaning component to move back and forth a distance S, thereby switching the control between the first and second states relative to the scraping component. The transmission assembly 209' includes a threaded post 2091', a threaded fitting 2092', and a slider 2093'. The outer surface of the threaded post 2091' is provided with a transmission thread. The threaded fitting 2092' includes a first part with an internal thread and a second part formed on the peripheral wall of the first part. The second part extends along the axial direction of the thread to form a platform surface 20922'. The platform surface 20922' is provided with a limiting screw post 20921' that extends radially outward along the internal thread. The threaded fitting 2092' is fixedly connected to the slider 2093' through the limiting screw post 20921'. Specifically, the bottom of the first groove 2102 of the cover is also provided with a sliding groove 2104. At least a portion of the slider 2093' is disposed in the sliding groove 2104. The limiting screw post 20921' extends from the inside of the floor brush housing through the first wall 2105 on the floor brush housing and into the sliding groove 2104. Then, at least a portion of it extends into the groove inside the slider 2093' and is fixedly connected to the limiting screw post 20921' from the outside of the slider 2093' through a fastener. The outside of the slider 2093' is provided with a limiting groove surrounding the fastener. The inner wall of the side plate 2021 is provided with a limiting rib 20211 corresponding to the limiting groove. The limiting rib and the limiting groove can be a closed ring or a partially open approximately ring structure.After the roller brush is installed, the limiting rib 20211 extends into the limiting groove on the slider 2093' to achieve detachable installation.

[0066] Furthermore, the outer wall of the slider 2093' within the circumferential area of ​​the limiting rib 20211 is lower than the area outside the circumferential area of ​​the limiting rib 20211. Preferably, the limiting rib 20211 is partially disconnected, and the partially disconnected position is connected to the space between the wall and the side plate 2021, avoiding the problem of being unable to disassemble the side plate 2021 due to the negative pressure suction of this space.

[0067] Furthermore, the slider 2093' is provided with a first groove 20931 on its periphery, and the side wall of the sliding groove 2104 is provided with a second groove 21041 corresponding to the first groove 20931. A steel ball is provided between the first groove 20931 and the second groove 21041 to reduce the resistance when the slider moves.

[0068] Furthermore, the movable side plate 2021 and end cap 2012 are exposed on the side wall of the brush housing 210. Preferably, the area of ​​the side plate and / or end cap 2012 is approximately the area of ​​the side wall of the brush housing, and the ratio of the area of ​​the side plate and / or end cap 2012 to the area of ​​the side wall of the brush housing is in the range of 0.8 to 1.

[0069] In this embodiment, the step of forming the tangled material into a ball includes:

[0070] First sub-step: The liquid supply component supplies liquid, controls the cleaning component to be in the first state, and the cleaning component rotates alternately in the forward and reverse directions. The duration of a single reverse rotation of the cleaning component is t1.

[0071] Understandably, during the liquid supply process in the first sub-step, the cleaning component can be in either a first state or a second state. Firstly, the liquid supply component provides cleaning fluid to the cleaning roller and / or cleaning tank via its water distribution plate, allowing the cleaning component to fully absorb water and dissolve the dirt on it. During the rotation of the cleaning component, the dissolved dirt is more easily shaken off or scraped off using a wiping component. Alternatively, the cleaning component may rotate simultaneously with the liquid supply component. Preferably, the cleaning component starts operating after the liquid supply component has finished supplying the liquid.

[0072] In a preferred embodiment of this example, the first sub-step includes:

[0073] S100 steps: Control the cleaning component to be in the second state, supply liquid to the liquid supply component, switch the cleaning component to the first state, and the cleaning component alternates between forward and reverse rotation. The duration of a single reverse rotation of the cleaning component is t11, the cycle of alternating forward and reverse rotation is Q11, and the number of cycles is N11.

[0074] Step S200: Keep the liquid supply component supplying liquid in the first state, the cleaning member rotates forward and backward alternately in a cycle. The single reverse rotation duration of the cleaning member is t12, the forward and backward alternating cycle period is Q12, and the number of cycles is N12;

[0075] Among them, t11 < t2, t12 < t2, t11 and t12 may be equal or unequal; Q11 and Q12 are the same as the relationship between Q1 and Q1; N2 < N1 = N11 + N12.

[0076] In step S100 of the above preferred embodiment, the cleaning member is in the second state, the liquid supply component supplies liquid, and the cleaning liquid flushes the large-volume dirt adhering to the back of the scraping member or the area between the water outlet and the wiping member, so that it is washed and falls into the cleaning tank through the gap between the cleaning member and the scraping member. At the same time, it can also knead relatively short entangled objects such as stuck pet hair into lumps or strips. In step S200, when the cleaning member is still in the first state, the liquid supply is started. Since the water supply port is located above the wiping member, the cleaning liquid is blocked by the wiping member and accumulates in the area above the wiping member. The bristles in this area can absorb water faster and more evenly. Especially when there are entangled objects remaining in the roller brush cavity, the liquid supply component starts to supply liquid first, so that the strip-shaped dirt that could not be removed in the previous S100 absorbs water and further expands, facilitating the strip-shaped entangled objects to be more quickly driven to the sewage suction port when the cleaning roller rotates forward or backward. In addition, it can also use the water-absorbed hair balls to pull the entangled objects already wound on the outer surface of the roller brush, untangle them, and promote them to further gather into larger hair balls during the forward and reverse rotations.

[0077] Furthermore, after the first sub-step of the step of forming the entangled objects into lumps, the following is included:

[0078] Second sub-step: The liquid supply component supplies liquid, controls the cleaning member to be in the second state, the cleaning member rotates forward and backward alternately. The single reverse rotation duration of the cleaning member is t13, the forward and backward alternating cycle period is Q13, and the number of cycles is N13. Among them, t13 < t2, t13 and t1, t12 may be equal or unequal; Q13 is the same; N2 < N1 = N11 + N12 + N13. As described above, as a possibility, the cleaning member rotates simultaneously when the liquid supply component supplies liquid. Preferably, the cleaning member starts to work after the liquid supply component finishes supplying liquid.

[0079] Understandably, during the second sub-step, when the liquid supply assembly supplies liquid, the cleaning component can be in either the first or second state. Preferably, after the first sub-step is completed, the cleaning component remains in the first state and proceeds to the second sub-step for liquid supply. When the liquid supply is activated while the cleaning component is still in the first state, since the water inlet is located above the wiping component, the cleaning liquid is blocked by the wiping component and accumulates in the area above the wiping component, allowing the bristles in this area to absorb water more quickly and evenly. Especially when there is still tangled material inside the roller brush cavity, the liquid supply assembly activates the liquid supply first, causing the strip-shaped dirt that could not be removed in the aforementioned first cleaning step to absorb water and expand further. When the cleaning component is in the second state, the distance between the cleaning roller and the wiping component increases, forming a gap. At this time, the alternating forward and reverse rotation of the cleaning roller can more quickly carry the strip-shaped tangled material to the suction port.

[0080] Furthermore, during the rotation of the cleaning component in the step of forming the tangled material, the suction fan continues to operate, so that throughout the entire decontamination stage, the dirt detached from the roller brush cavity, the back of the cleaning component, or the wiping component is drawn away through the suction port and stored in the wastewater tank, preventing dirt from being carried by the cleaning component and stuck on the back of the wiping component or adhering to the roller brush cavity, thus causing secondary pollution.

[0081] One specific method in the preferred embodiment of the above-mentioned tangling process is as follows:

[0082] First sub-step: Control the cleaning component to be in the second state. After the liquid supply component supplies 71 grams of liquid, the cleaning component switches to the first state. At the same time as the fan is turned on, the cleaning component reverses for 2 seconds and then rotates forward for 2 seconds and repeats 6 times. The water supply component supplies liquid for 10 seconds. Then the fan is turned on and the cleaning component reverses for 2 seconds and then rotates forward for 2 seconds and repeats 6 times.

[0083] The second sub-step involves supplying 14 grams of liquid to the liquid supply component, then controlling the cleaning component to be in the second state. The cleaning component rotates in reverse for 2 seconds and then in the forward direction for 2 seconds, completing one cycle of forward and reverse rotation 5 times. The fan continues to operate while the cleaning component is rotating.

[0084] Understandably, in the above specific method, t1 = t11 = t12 = t13 = 2 seconds, Q1 = Q11 = Q12 = Q13 = 4 seconds, and N1 = N11 + N12 + N13 = 6 + 6 + 5 = 17 times.

[0085] Furthermore, after the roller brush chamber cleaning step, a suction step is also included: the liquid supply component supplies liquid for a preset time, controlling the cleaning element to be in a first state, the cleaning element maintaining alternating forward and reverse rotation while the fan continues to run. To further improve the cleaning effect, the fan power at this time can be higher than the fan power in the tangled material clumping step and / or the roller brush chamber cleaning step, and the forward rotation time of the cleaning element is set to be greater than or equal to the reverse rotation time of the cleaning element.

[0086] After the roller brush chamber cleaning step, some clumps or strips of tangled material may still remain inside the roller brush chamber and not be removed by the suction fan. By adding a suction step, in which the cleaning component is in its first state, the roller brush chamber space above the wiping component is isolated from the fan's operating area due to the wiping component, thereby increasing the fan's suction force and ensuring that all remaining dirt is removed. Furthermore, a preset duration for water supply is included before the suction component operates, causing the tangled material remaining in the roller brush chamber to absorb water and become heavier, making it easier for the fan to remove. The alternating forward and reverse rotation of the cleaning component allows any remaining tangled material above the wiping component to be carried into the airflow path of the suction fan, making it easier to remove. Setting the forward rotation time of the cleaning component to be greater than or equal to the reverse rotation time improves the cleaning efficiency of the cleaning component's rotation while maintaining cleaning effectiveness, preventing the brush bristles from being scraped by the wiping component and shortening their lifespan due to prolonged rotation. One specific implementation of the above-mentioned suction stage is as follows: after the liquid supply component supplies liquid for 30 seconds, the blower starts, and at the same time the roller brush rotates forward for 20 seconds in the first state, then reverses for 5 seconds, and finally rotates forward for 20 seconds to end.

[0087] Example 2:

[0088] To further improve the cleaning effect of tangled materials, this embodiment is an improvement on the previous embodiment.

[0089] In one possible implementation of this embodiment, the roller brush chamber cleaning step includes:

[0090] S300 procedure: Control the cleaning component to be in the first state, the cleaning component rotates forward;

[0091] S400 step: Control the cleaning component to the second state, then reverse the cleaning component;

[0092] The above steps S300 and S400 are repeated a preset number of times, the duration of a single reverse rotation of the cleaning part is t21, the cycle period of alternating forward and reverse rotation is Q21, and the number of cycles is N21.

[0093] In another possible implementation of this embodiment, the roller brush chamber cleaning step includes:

[0094] S500 step: Control the cleaning component to be in the second state, and the cleaning component rotates forward;

[0095] S600 step: Control the cleaning component to the first state, and reverse the cleaning component;

[0096] The above steps S500 and S600 are repeated a preset number of times, the duration of a single reverse rotation of the cleaning component is t22, the cycle period of alternating forward and reverse rotation is Q22, and the number of cycles is N22.

[0097] In this embodiment, when switching between the first state and the second state, the distance between the outer surface of the cleaning component and the wall of the roller brush cavity is different, and the volume of the clump of wrapped material changes in real time as it passes through different distances. The first state and the second state alternate and switch cyclically, and the direction of rotation of the cleaning component is also unidirectional during the cyclic switching process. This causes the wiping force of the clump of wrapped material driven by the cleaning component to continuously change on the wall of the roller brush cavity when it rotates, thereby enhancing the cleaning effect on the roller brush cavity.

[0098] To further improve the cleaning effect of the roller brush cavity, such as Figure 14 As shown, in a preferred embodiment of this example, the roller brush chamber cleaning step includes:

[0099] S300 procedure: Control the cleaning component to be in the first state, and rotate the cleaning component forward;

[0100] S400 step: Control the cleaning component to the second state, then reverse the cleaning component;

[0101] The above steps S300 and S400 are repeated a preset number of times, the duration of a single reverse rotation of the cleaning part is t21, the cycle period of alternating forward and reverse rotation is Q21, and the number of cycles is N21.

[0102] S500 step: Control the cleaning component to be in the second state, and the cleaning component rotates forward;

[0103] S600 step: Control the cleaning component to the first state, and reverse the cleaning component;

[0104] The above steps S500 and S600 are repeated a preset number of times, the duration of a single reverse rotation of the cleaning part is t22, the cycle period of alternating forward and reverse rotation is Q22, and the number of cycles is N22;

[0105] The values ​​t21 and t22 can be equal or unequal; the same applies to Q21 and Q22; N1 > N2.

[0106] A specific method in the preferred embodiment of the above-mentioned roller brush cavity cleaning step is as follows:

[0107] Start the fan and control the cleaning component to the first state. After the cleaning component rotates forward for 10 seconds, switch to the second state. Then, reverse the cleaning component for 10 seconds and repeat the cycle twice.

[0108] Start the control fan and keep the cleaning component in the second state. After the cleaning component rotates forward for 10 seconds, switch to the first state. Repeat the cycle of rotating forward for 10 seconds twice.

[0109] Understandably, in the above specific method, t2 = t21 = t22 is 10 seconds, Q2 = Q21 = Q21 = 20 seconds, and N2 = N21 + N22 = 4 times.

[0110] Example 3:

[0111] In the existing technology, there is also a problem that during the self-cleaning process of the surface cleaning device docking with the base, dirt liquid will be thrown out from the gap between the roller brush cover and the base during the rotation of the cleaning roller, causing pollution. When there are clumps of tangled material, the tangled material will also get stuck in the gap, which will not only cause the cleaning roller to be unable to drive the tangled material and form a "dead zone", but also, because the gap is far away from the suction port, the suction is not strong enough to suck it away.

[0112] Combination Figure 15 , Figure 16 As shown, the difference between this embodiment and the previous embodiment is that a blocking part 320 is further provided between the base 30 and the roller brush cover 204. The blocking part 320 extends from the front edge of the roller brush cover towards the base 30. The cleaning roller 202, the roller brush cover 204, the blocking part, and the base together form a guide channel. The driver 208 drives the roller brush to move forward to approach the second state of the blocking part, thereby reducing the cross-sectional area of ​​the guide channel in the rotation direction of the cleaning roller. The movement direction of dirt in the guide channel is as follows: Figure 12 The direction of the dashed arrow is indicated.

[0113] By setting up a blocking part to fill the gap between the roller brush cover and the base as much as possible, it is possible to prevent the cleaning roller from rotating and splashing out the dirt during the self-cleaning process. At the same time, a driver is also set up to drive the cleaning roller to move forward to approach the blocking part. Compared with the first state, when the cleaning roller is in the second state, the cross-sectional area of ​​the guide channel in the direction of rotation of the cleaning roller is significantly reduced. Clumps of dirt will be carried by the cleaning roller to the suction port and sucked away, thereby eliminating the "dead zone". On the other hand, the significantly reduced cross-sectional area of ​​the guide channel here can accelerate the airflow speed, thereby further preventing the tangled matter from getting stuck in the "dead zone".

[0114] Furthermore, the ratio of the maximum distance between the cleaning roller and the brush cavity in the first state to the maximum distance between the cleaning roller and the inner wall of the blocking part in the second position ranges from 0.7 to 1.3. Specifically, in this embodiment, the maximum distance between the cleaning roller and the brush cavity in the first state is as follows: Figure 12 In S1, the maximum distance between the cleaning roller and the inner wall of the blocking part in the second position is as follows: Figure 12 In section S2, the ratio of S1 / S2 ranges from 0.7 to 1.3. Specifically, the ratio of S1 / S2 can be 0.7, 0.8, 0.9, 1, 1.1, 1.2, or 1.3. When the ratio is greater than 1.3, the entire blocking part will be too close to the ground brush, making it more difficult for the user to connect and install the surface cleaning device to the base, and it is also easy to cause unnecessary bumps and scratches or damage to the surface during installation. When the ratio is less than 0.7, it will affect the rate at which the cross-sectional area of ​​the guide channel decreases, thereby affecting the cleaning effect on the cleaning area.

[0115] In a preferred embodiment of this example, one end 3210 of the blocking part 320 is detachably snapped onto the retaining rib 330, and the other end 3220 engages with the roller brush cover 204. It is understood that the other end 3220 is close to the roller brush cover, specifically with a very small gap, or directly abutting. By detachably mounting the blocking part on the base, it is convenient for the user to disassemble and clean it. Specifically, one end 3210 of the blocking part 320 includes a first side plate 3211 and a second side plate 3212, with one end of the first side plate and the second side plate meeting to form a groove 3230 that snaps onto the retaining rib 330. By providing a downward-facing groove 3230 on the blocking part and using it to snap onto the outer surface of the retaining rib 330, it is directly snapped onto the retaining rib from top to bottom, making installation more convenient. Moreover, its installation direction is consistent with the forward rotation tangent direction of the cleaning roller, which can reduce the amount of dirt and liquid thrown out during the forward rotation of the cleaning roller entering between the groove and the retaining rib. More specifically, the other end 3220 is provided with an elastic element for abutting against the roller brush cover. By providing an elastic element on the other end 3220, the hard collision between the brush and the blocking part 320 is reduced when the user mates the surface cleaning device with the base, and the elasticity of the elastic element facilitates the user's connection and installation.

[0116] In one possible implementation of this embodiment, the blocking portion 320 is formed on the roller brush cover 204. Specifically, the blocking portion is detachably disposed on the front side of the roller brush cover or integrally fixed to the roller brush cover. The other end of the blocking portion is also provided with an elastic member for abutting against the base station.

[0117] Furthermore, a first arcuate surface 2041 is formed on the inner side of the front part of the roller brush cover, and a second arcuate surface 3240 facing the roller brush is formed on the blocking part. The first arcuate surface 2041 and the second arcuate surface 3240 have a non-smooth transition. Specifically, in this embodiment, the first arcuate surface 2041 and the second arcuate surface 3240 form a non-smooth transition at the second end 3220 of the blocking part 320. By setting the first arcuate surface and the second arcuate surface to have a non-smooth transition, the cross-sectional area of ​​the guide channel changes abruptly at this point, increasing the probability that the tangled material, especially clumps of tangled material, will change state abruptly at this point, thereby increasing the probability that it will be carried to the suction port by the cleaning roller. More specifically, the second arcuate surface is coaxial with the cleaning roller, and the radius of the second arcuate surface is larger than the radius of the first arcuate surface, thereby further increasing the probability that it will be carried to the suction port by the cleaning roller.

[0118] The cleaning roller disengages from the scraper in the second state, forming a gap between the scraper and the cleaning roller that communicates with the guide channel. More specifically, in the self-cleaning state of mutual interference, the cleaning roller and the scraper have a first interference fit between them; in the self-cleaning state of separation, the cleaning roller and the scraper have a first gap, wherein the first gap is greater than or equal to the first interference fit. With a fixed movement distance of the cleaning roller relative to the comb teeth, the width of the first gap can be increased as much as possible, reducing the probability of dirt being blocked by the wiping element. Especially when there are strips or clumps of tangled material, it reduces the likelihood of the material being hooked onto the comb teeth or other parts of the wiping element, thereby improving the removal effect of the tangled material and also improving the wiping effect on the roller brush cavity during the rotation of the tangled material by the cleaning roller.

Claims

1. A method for cleaning tangled material using a surface cleaning device, the surface cleaning device comprising a cleaning component that rotates and wipes the surface to be cleaned, characterized in that... The method includes: Step for forming tangled material: The cleaning component rotates alternately in both directions, and the duration of a single reverse rotation of the cleaning component is t1; The cleaning steps for the roller brush chamber are as follows: the cleaning component rotates alternately in both directions, and the duration of a single reverse rotation of the cleaning component is t2; Among them, t1 <t2。 2. The method for cleaning entangled materials using the surface cleaning device according to claim 1, characterized in that: In the step of forming the tangled material, the alternating forward and reverse cycle of the cleaning component is Q1; in the step of cleaning the roller brush cavity, the alternating forward and reverse cycle of the cleaning component is Q2, wherein... Q1 <Q2。 3. The method for cleaning entangled materials using the surface cleaning device according to claim 1, characterized in that, In the step of forming the wrapped material into a ball, the number of times the cleaning component alternates between forward and reverse is N1, and in the step of cleaning the roller brush cavity, the number of times the cleaning component alternates between forward and reverse is N2, wherein N1>N2.

4. The method for cleaning entangled materials using a surface cleaning device according to any one of claims 1, wherein the surface cleaning device further includes a scraper, and the cleaning component and the scraper have a first state of mutual contact and a second state of mutual separation, characterized in that... The step of forming the tangled material includes: First sub-step: The liquid supply assembly supplies liquid and controls the cleaning component to be in the first state, with the cleaning component rotating alternately in the forward and reverse directions.

5. The method for cleaning entangled materials using the surface cleaning device according to claim 4, characterized in that, Before the liquid supply assembly supplies liquid in the first sub-step, the cleaning component is controlled to be in the second state.

6. The method for cleaning entangled materials using the surface cleaning device according to claim 4, characterized in that, The first sub-step of the process of forming the tangled material further includes: The second sub-step involves supplying liquid through the liquid supply assembly and controlling the cleaning component to be in the second state, with the cleaning component rotating alternately in both forward and reverse directions.

7. The method for cleaning entangled materials using the surface cleaning device according to claim 4, characterized in that, During the step of forming the tangled material, the cleaning component and the suction fan work simultaneously.

8. The method for cleaning entangled materials using the surface cleaning apparatus according to any one of claims 4-7, characterized in that, The roller brush chamber cleaning step includes: The cleaning component is controlled to be in the first state, and the cleaning component rotates forward; The cleaning component is controlled to be in the second state, and the cleaning component is reversed; The above steps are repeated a preset number of times.

9. The method for cleaning entangled materials using the surface cleaning apparatus according to any one of claims 4-7, characterized in that, The cleaning component and the scraper have a first state of mutual contact and a second state of mutual separation, and the roller brush cavity cleaning step further includes: The cleaning component is controlled to be in the second state, and the cleaning component rotates forward; The cleaning component is controlled to be in the first state, and the cleaning component is reversed; The above steps are repeated a preset number of times.

10. A method for cleaning entangled materials using a surface cleaning apparatus according to any one of claims 1-7, characterized in that, Following the roller brush chamber cleaning step, the process further includes: Sewage suction steps: The liquid supply component supplies liquid, controls the cleaning component to be in the first state, and the sewage suction fan is turned on while the cleaning component rotates alternately in the forward and reverse directions.

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