Cleaning heads and cleaning equipment

Abstract

This utility model discloses a cleaning head and a cleaning device, relating to the field of cleaning equipment technology. The cleaning head includes a housing, a first cleaning component, and a second cleaning component. The housing has a cavity and an inlet communicating with the cavity. The first cleaning component is rotatably disposed within the cavity. The second cleaning component is used to clean or collect dirt from the first cleaning component. The first cleaning component is at least partially exposed at the inlet to contact the surface to be cleaned, while the second cleaning component is positioned to space it from the surface. By using the second cleaning component to clean or collect hair from the first cleaning component, frequent manual cleaning by the user is eliminated, improving ease of use. Furthermore, maintaining a distance between the second cleaning component and the surface to be cleaned prevents direct contact with the ground, thereby reducing friction and wear, lowering energy consumption and noise, and improving structural design flexibility. Simultaneously, it enhances the adaptability and reliability of the cleaning head in complex terrain.

Description

[0001] Priority information

[0002] This application claims priority to Chinese invention patent application No. 202510703216.2, filed on May 28, 2025, entitled "Cleaning Head and Cleaning Equipment"; Chinese utility model patent application No. 202521077219.1, entitled "Cleaning Head and Cleaning Equipment"; and Chinese utility model patent application No. 202521077208.3, entitled "Cleaning Head and Cleaning Equipment," the entire contents of which are incorporated herein by reference. Technical Field

[0003] This utility model relates to the field of cleaning equipment technology, and in particular to a cleaning head and a cleaning device. Background Technology

[0004] As people's living standards continue to improve, more and more families are using cleaning equipment for daily cleaning. These devices typically have a cleaning component at the suction port to enhance floor cleaning. However, in actual use, because the cleaning component is in direct contact with the floor, it is very easy for fibrous materials such as hair to become entangled. When a large amount of hair is wrapped around the cleaning component, it not only reduces the suction efficiency of the cleaning equipment but may also obstruct the rotation of the cleaning component, leading to motor stalling, affecting the normal operation of the equipment and shortening its lifespan. Currently, users mainly rely on manually removing the entangled material from the cleaning component, which is not only time-consuming and laborious but also causes considerable inconvenience to users. Utility Model Content

[0005] The main purpose of this invention is to provide a cleaning head and cleaning device that aims to solve the problem that existing cleaning components are prone to tangling with hair and that hair is difficult to clean.

[0006] To achieve the above objectives, the cleaning head proposed in this utility model includes:

[0007] The housing has a cavity and an inlet communicating with the cavity;

[0008] A first cleaning element is rotatably disposed within the cavity; and,

[0009] The second cleaning component is used to clean or collect dirt from the first cleaning component;

[0010] The first cleaning component is at least partially exposed at the inlet to contact the surface to be cleaned, and the second cleaning component is configured to be spaced from the surface to be cleaned.

[0011] Optionally, the first cleaning member is rotatably disposed about a first axis, and the second cleaning member is rotatably disposed about a second axis. The second cleaning member is at least partially in contact with the first cleaning member, and the second cleaning member is used to clean dirt from the first cleaning member during its rotational stroke. The first axis and the second axis are spaced apart and parallel to each other.

[0012] Optionally, the second axis is located above the first axis.

[0013] Optionally, the length of the second cleaning member in its axial direction is set to be greater than or equal to the length of the first cleaning member in its axial direction, so as to cover the axial dimension of the first cleaning member.

[0014] Optionally, the housing further has an outlet communicating with the cavity, and the inlet and the outlet are arranged at an upward interval in front and behind the housing;

[0015] The second cleaning component is offset from the outlet in the horizontal direction.

[0016] Optionally, the second cleaning component is located behind the first cleaning component.

[0017] Optionally, the second cleaning component is located above the axis of the outlet.

[0018] Optionally, the outer diameter of the cross-section of the second cleaning component is set to be smaller than the outer diameter of the cross-section of the first cleaning component.

[0019] Optionally, the cleaning head further includes a first drive motor, a second transmission mechanism and a third transmission mechanism. The first drive motor has a first output shaft and a second output shaft arranged opposite to each other. Both the first output shaft and the second output shaft are rotatably arranged about a left-right extending rotation axis.

[0020] The second transmission mechanism is connected to the first output shaft and the first cleaning component to drive the first cleaning component to rotate;

[0021] The third transmission mechanism is connected to the second output shaft and the second cleaning component to drive the second cleaning component to rotate.

[0022] Optionally, the first cleaning component includes a first roller brush extending in a left-right direction, and the second cleaning component includes a second roller brush extending in a left-right direction, with the second roller brush arranged side by side with the first roller brush;

[0023] The first drive motor is embedded inside the first roller brush, and the first output shaft is located inside the first roller brush and is connected to the inner wall of the first roller brush through the second transmission mechanism.

[0024] The second output shaft is exposed outside the first roller brush and is connected to the second roller brush through the third transmission mechanism.

[0025] Optionally, the cleaning head further includes a cutting structure disposed in the cavity, the cutting structure being used to cut hair wrapped around the second cleaning element.

[0026] Optionally, the cutting structure includes two stacked cutting portions, each extending along the axial direction of the second cleaning member. The two cutting portions are movably arranged relative to each other in the axial and / or radial directions of the second cleaning member to cut hair wrapped around the second cleaning member.

[0027] This utility model also proposes a cleaning head, characterized in that it comprises:

[0028] The housing has a cavity and an inlet communicating with the cavity;

[0029] A first cleaning component, rotatably disposed within the cavity and at least partially exposed at the inlet, is used to contact the surface to be cleaned and collect dirt from the surface; and,

[0030] The second cleaning component is at least partially in contact with the first cleaning component, and the distance between the second cleaning component and the surface to be cleaned is set to be greater than zero.

[0031] The second cleaning component is provided with a cutting structure, which is used to remove hair tangled on the second cleaning component.

[0032] Optionally, the cutting structure includes two stacked cutting portions, each extending along the axial direction of the second cleaning member. The two cutting portions are movably arranged relative to each other in the axial and / or radial directions of the second cleaning member to cut hair wrapped around the second cleaning member.

[0033] Optionally, the second cleaning element is rotatably mounted in the cavity about its axis.

[0034] Optionally, the cutting structure includes two cutting portions that are movably disposed relative to each other in the axial direction and / or radial direction of the second cleaning component;

[0035] A first transmission mechanism is provided between the second cleaning component and the two cutting parts. The first transmission mechanism is used to convert the rotational stroke of the second cleaning component into the shearing stroke of the two cutting parts relative to each other.

[0036] Optionally, the second cleaning component includes a base and bristles mounted around the base, and a cutting portion is fixedly mounted on the base and at least partially protrudes outward from the surface of the base.

[0037] The first transmission mechanism includes a slider that is movably disposed relative to the base along the axial direction and / or radial direction of the second cleaning member, and another cutting portion is fixedly mounted to the slider and is disposed at least partially protruding outward from the surface of the base.

[0038] Optionally, one of the slider and the second cleaning member is provided with a guide groove, and the other is provided with a guide portion that cooperates with the guide groove. The rotation of the second cleaning member causes the guide portion to cooperate with the guide groove to drive the slider to move relative to the base. The movement of the slider causes the two cutting portions to generate a relative shearing stroke.

[0039] Optionally, the extension direction of the guide groove is inclined to intersect the axial direction of the second cleaning member, and the guide portion extends radially along the second cleaning member and passes through the guide groove.

[0040] Optionally, the cleaning head further includes a first drive motor, a second transmission mechanism and a third transmission mechanism. The first drive motor has a first output shaft and a second output shaft arranged opposite to each other. Both the first output shaft and the second output shaft are rotatably arranged about a left-right extending rotation axis.

[0041] The second transmission mechanism is connected to the first output shaft and the first cleaning component to drive the first cleaning component to rotate;

[0042] The third transmission mechanism is connected to the second output shaft and the second cleaning component to drive the second cleaning component to rotate.

[0043] Optionally, the first cleaning component includes a first roller brush extending in a left-right direction, and the second cleaning component includes a second roller brush extending in a left-right direction, with the second roller brush arranged side by side with the first roller brush;

[0044] The first drive motor is embedded inside the first roller brush, and the first output shaft is located inside the first roller brush and is connected to the inner wall of the first roller brush through the second transmission mechanism.

[0045] The second output shaft is exposed outside the first roller brush and is connected to the second roller brush through the third transmission mechanism.

[0046] Optionally, the first cleaning component is rotatably disposed about a first axis, and the second cleaning component is rotatably disposed about a second axis, for cleaning dirt on the first cleaning component during its rotational stroke, wherein the first axis and the second axis are spaced apart and parallel.

[0047] Optionally, the second axis is located above the first axis.

[0048] Optionally, the housing further has an outlet communicating with the cavity, and the inlet and the outlet are arranged at an upward interval in front and behind the housing;

[0049] The second cleaning component is offset from the outlet in the horizontal direction.

[0050] Optionally, the second cleaning component is located behind the first cleaning component.

[0051] Optionally, the second cleaning component is located above the axis of the outlet.

[0052] This utility model also proposes a cleaning device, which includes the cleaning head described above.

[0053] The technical solution provided by this utility model has the following advantages:

[0054] By setting a second cleaning component to clean or collect hair from the first cleaning component, users are no longer required to clean it frequently, thus improving ease of use. Furthermore, by keeping the second cleaning component at a distance from the surface to be cleaned, direct contact with the ground is avoided, thereby reducing frictional resistance and wear, lowering energy consumption and noise, and improving the flexibility of the structural design. At the same time, it enhances the adaptability and reliability of the cleaning head in complex terrain. Attached Figure Description

[0055] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0056] Figure 1 and Figure 2 A schematic diagram of the structure of an embodiment of the cleaning head provided by this utility model;

[0057] Figure 3 for Figure 1 An exploded view of the second cleaning component;

[0058] Figure 4 for Figure 3 A magnified view of a section at point A in the middle;

[0059] Figure 5 for Figure 3 A partial structural diagram of the second cleaning component;

[0060] Figure 6 for Figure 5 A magnified view of a section at point B in the middle;

[0061] Figure 7 for Figure 1 A partial structural diagram of the cleaning head;

[0062] Figure 8 for Figure 1 A plan view of the cleaning head;

[0063] Figure 9 for Figure 8 A cross-sectional view of CC.

[0064] Figure 10 and Figure 11 A schematic diagram of another embodiment of the cleaning head provided by this utility model;

[0065] Figure 12 for Figure 10 A partial structural diagram of the internal structure of the cleaning head;

[0066] Figure 13 for Figure 12 A schematic diagram of the structure of the second cleaning component, the first drive motor, and the transmission mechanism;

[0067] Figure 14 for Figure 10 A plan view of the cleaning head;

[0068] Figure 15 for Figure 14 A cross-sectional view of DD.

[0069] Explanation of icon numbers:

[0070] 100. Cleaning head; 1. Housing; 1a. Cavity; 1b. Inlet; 1c. Outlet; 2. First cleaning component; 3. Second cleaning component; 31. Bristles; 32. Base; 4. Cutting structure; 41. Cutting part; 5. First transmission mechanism; 51. Sliding component; 51a. Guide groove; 6. Mounting shaft; 61. Guide part; 7. Bearing; 8. First drive motor; 81. First output shaft; 82. Second output shaft; 91. Second transmission mechanism; 92. Third transmission mechanism.

[0071] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0072] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0073] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0074] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0075] This utility model provides a cleaning head suitable for cleaning floors, tabletops, and beds. The cleaning head can be applied to household cleaning equipment such as vacuum cleaners, sweepers, floor scrubbers, mite removers, fabric cleaners, carpet cleaners, pet hair removers, and handheld multi-functional cleaners. For ease of explanation, the specific structure of the cleaning head will be described below using its application in cleaning equipment as an example; other equipment can be adapted accordingly.

[0076] Please see Figure 1 , Figure 2 , Figure 14 and Figure 15In the first embodiment of this utility model, the cleaning head 100 includes a housing 1, a first cleaning component 2, and a second cleaning component 3. The housing 1 has a cavity 1a and an inlet 1b communicating with the cavity 1a. The first cleaning component 2 is rotatably disposed in the cavity 1a. The second cleaning component 3 is used to clean or collect dirt on the first cleaning component 2. The first cleaning component 2 is at least partially exposed in the inlet 1b to contact the surface to be cleaned, and the second cleaning component 3 is configured to be spaced apart from the surface to be cleaned.

[0077] Understandably, the first cleaning component 2 is rotatably disposed within the cavity 1a and at least partially exposed through the inlet 1b to directly contact the surface to be cleaned. Through rotational motion, it carries dirt from the ground through the inlet 1b into the cleaning head 100. The first cleaning component 2 is preferably a roller brush structure, with a surface having bristles 31 or other textured structures capable of gripping, effectively cleaning particulate matter and filamentous materials such as hair and fibers from the ground.

[0078] During the cleaning process, especially when cleaning carpets, beds, and other areas, hair or other fibrous materials can easily become entangled, affecting cleaning efficiency and even causing excessive motor load. To solve this problem, a second cleaning component 3 is provided on one side of the first cleaning component 2. The second cleaning component 3 is located inside the cavity 1a and cooperates with the first cleaning component 2 to clean or collect dirt attached to the first cleaning component 2, especially fibrous materials such as hair that are difficult to detach automatically.

[0079] It should be noted that the second cleaning component 3 is configured to remain at a distance from the surface to be cleaned. That is, during the operation of the cleaning head 100, the second cleaning component 3 does not directly contact the ground, but only interacts with the first cleaning component 2.

[0080] "Interval" refers to the fact that the lowest point of the second cleaning component 3 is higher than the surface to be cleaned, or that its extension direction does not extend to the area in contact with the ground, ensuring that it will not make physical contact with the ground under normal working conditions. This interval distance can be set according to the actual usage scenario, ensuring that it does not contact the ground, but does not affect its cleaning effect on the first cleaning component 2.

[0081] Thus, the second cleaning component 3 is set to maintain a distance from the surface to be cleaned, avoiding direct contact between the second cleaning component 3 and the ground, thereby reducing unnecessary frictional resistance and wear risk, and reducing energy consumption and noise of the cleaning head 100 during operation; on the other hand, since the second cleaning component 3 does not participate in the direct cleaning action, the structural design can be more flexible, without having to consider wear resistance or ground adaptability issues.

[0082] Furthermore, the second cleaning component 3 is designed to maintain a distance from the surface to be cleaned, in order to prevent the second cleaning component 3 from being damaged due to accidental contact with obstacles in complex terrain, thereby improving the adaptability and robustness of the cleaning head 100 in different ground environments.

[0083] For example, on uneven surfaces such as carpets, tile grout lines, or thresholds, if the second cleaning component 3 is in contact with the ground, it may be squeezed and deformed or subjected to uneven stress due to changes in terrain, leading to structural failure or decreased cleaning performance. Therefore, by spacing it from the ground, the second cleaning component 3 is ensured to always be in a stable working state.

[0084] By setting a second cleaning component 3 to clean or collect hair on the first cleaning component 2, the user is no longer required to clean it manually, thus improving ease of use. Furthermore, by keeping the second cleaning component 3 at a distance from the surface to be cleaned, direct contact with the ground is avoided, thereby reducing frictional resistance and wear, lowering energy consumption and noise, and improving the flexibility of structural design. At the same time, it enhances the adaptability and reliability of the cleaning head 100 in complex terrain.

[0085] It should be noted that the second cleaning component 3 can clean and collect dirt from the first cleaning component 2 through direct contact. Alternatively, the second cleaning component 3 can also clean and collect dirt from the first cleaning component 2 through non-direct contact. For example, by rationally designing airflow, electrostatic adsorption, or mechanical scraping auxiliary structures, similar functions can be achieved in a non-contact state. Specifically, in one embodiment, the second cleaning component 3 is an airflow guiding structure or duct assembly located behind it, and does not physically contact the first cleaning component 2. The second cleaning component 3 guides high-speed airflow past the vicinity of the first cleaning component 2, forming a local negative pressure or impact airflow, blowing away or sucking away loosened hair, which is then transported to the dust collection system via outlet 1c.

[0086] In another embodiment, the first cleaning component 2 is a rotating roller brush structure, the surface material of which has a certain electrostatic adsorption capacity, making it easy to collect light impurities such as hair; while the second cleaning component 3 is a non-contact electrostatic adsorption plate or electrode structure with opposite charge, located near the rotation path of the first cleaning component 2. The electrostatic field formed between the two causes hair to be adsorbed from the surface of the first cleaning component 2 and transferred to the second cleaning component 3, thereby achieving non-contact cleaning.

[0087] Specifically, please refer to Figure 8 , Figure 9 , Figure 14 and Figure 15In one embodiment, the first cleaning member 2 is rotatably disposed about a first axis, and the second cleaning member 3 is rotatably disposed about a second axis. The second cleaning member 3 is at least partially in contact with the first cleaning member 2. The second cleaning member 3 is used to clean dirt on the first cleaning member 2 during its rotational stroke. The first axis and the second axis are spaced apart and parallel to each other.

[0088] "Contact" can be localized or periodic, and is intended to effectively remove dirt (such as hair, fibers, dust, etc.) attached to the first cleaning component 2 through friction, scraping or peeling action generated by physical contact.

[0089] The second cleaning element 3 is configured to contact the first cleaning element 2 to achieve an active cleaning function. The second cleaning element 3 can take various forms. In one embodiment, the second cleaning element 3 is configured as an elastic scraper structure, fixed within the cavity 1a of the cleaning head 100, and in contact with the outer peripheral surface of the first cleaning element 2. When the first cleaning element 2 rotates, the scraper adheres tightly to its surface, using friction to scrape away any tangled or attached hair. In another embodiment, the second cleaning element 3 is configured as an auxiliary brush roller structure. This brush roller has denser short bristles 31 and a slight pressure between it and the first cleaning element 2 (main roller brush), allowing the auxiliary brush roller to continuously remove residue from the main roller brush as it rotates with it.

[0090] "The first axis and the second axis are spaced apart and parallel", meaning that they are spaced a certain distance apart and have the same or basically the same direction, so that the first cleaning component 2 and the second cleaning component 3 can form a stable relative motion relationship during rotation.

[0091] Understandably, because the two axes remain parallel, the two rotating components can maintain a longer contact length during operation, ensuring a maximized effective contact area between the first cleaning component 2 and the second cleaning component 3. During the rotation of the first cleaning component 2, the second cleaning component 3, through its own rotation, cooperates with it, forming continuous rolling or sliding contact. This ensures that every surface of the first cleaning component 2 receives the same cleaning intensity, avoiding the "cleaning blind spots" or "uneven cleaning" phenomena that may occur with traditional non-parallel arrangements. For example, when the first cleaning component 2 is a rotating roller brush and the second cleaning component 3 is an auxiliary brush roller or scraper roller, their parallel axis arrangement ensures that they maintain a constant contact area along the entire axial length or within a localized area during operation, thereby improving the continuity and consistency of the cleaning action.

[0092] Furthermore, because the axes are parallel, the normal and tangential forces between the contact points tend to be consistent throughout the contact area, reducing the risk of wear or deformation caused by local stress concentration.

[0093] In this way, by setting the axes of the first cleaning component 2 and the second cleaning component 3 at intervals and parallel, the relative position between the two cleaning components is ensured to be stable, and the first cleaning component 2 and the second cleaning component 3 maintain a constant distance and angle relationship when rotating, thereby achieving efficient contact cleaning.

[0094] Furthermore, in this embodiment, the second axis is located above the first axis.

[0095] The second axis is positioned above the first axis, meaning that when the cleaning head 100 is in its normal operating position, the rotation center of the second cleaning component 3 is higher than the rotation center of the first cleaning component 2. It should be noted that "above" is not limited to strictly vertically above, but rather refers to the position of the second axis above the first axis in the spatial height direction. This can be directly above, diagonally above, or slightly offset but still above the first axis, as long as the cleaning function requirements are met.

[0096] With this design, the cross-sectional diameter of the second cleaning component 3 is not limited by the requirement to avoid contact with the ground. Due to its higher installation height, even with a larger diameter structure, it can still ensure that its lowest point will not touch the surface to be cleaned, thereby avoiding unnecessary frictional wear and improving the comprehensive cleaning capability of the second cleaning component 3 over the first cleaning component 2.

[0097] Furthermore, during the cleaning process, dirt (such as hair and dust) detached from the first cleaning component 2 by the second cleaning component 3 will fall downwards due to gravity. If the cleaning head 100 is equipped with a suction device, these impurities that haven't completely fallen to the ground still have a high probability of being sucked into the dust collection system, rather than reattaching to the ground or becoming entangled again on the first cleaning component 2. Therefore, by setting the second cleaning component 3 relatively high, the dirt released after cleaning the surface of the first cleaning component 2 has a longer free fall path, providing the suction device with more time to absorb it and reducing the risk of secondary pollution.

[0098] Furthermore, in this embodiment, the length of the second cleaning member 3 in its axial direction is set to be greater than or equal to the length of the first cleaning member 2 in its axial direction, so as to cover the size of the first cleaning member 2 in its axial direction.

[0099] In other words, in the lateral extension direction of the cleaning head 100 (i.e., the direction defined by the rotation axis of the cleaning component), the length of the second cleaning component 3 should be sufficient to completely cover the effective working area of ​​the first cleaning component 2, ensuring that the second cleaning component 3 can effectively clean the entire working area of ​​the first cleaning component 2, thereby avoiding cleaning blind spots.

[0100] Specifically, since the first cleaning component 2 is typically a laterally extending roller brush structure, its entire axial length can accumulate hair, dust, and other dirt due to the sweeping action. If the second cleaning component 3 is insufficient in length, it can only clean a portion of the area of ​​the first cleaning component 2, leading to the continuous accumulation of dirt in uncovered areas, ultimately affecting cleaning efficiency and even causing mechanical failure. By setting the second cleaning component 3 to have an equal or longer axial length, it can be ensured that it maintains contact with the first cleaning component 2 along its entire length, thereby achieving thorough cleaning without blind spots.

[0101] Furthermore, when the length of the second cleaning component 3 is sufficient to cover the entire length of the first cleaning component 2, the contact pressure between it and the first cleaning component 2 can be evenly distributed along the axial direction, avoiding wear concentration or jamming caused by excessive local pressure.

[0102] Specifically, please refer to Figure 1 , Figure 2 and Figure 9 In this embodiment, the housing 1 also has an outlet 1c that is connected to the cavity 1a, and the inlet 1b and the outlet 1c are arranged at an upward interval in front and behind the housing 1; the second cleaning member 3 is staggered from the outlet 1c in the horizontal direction.

[0103] Specifically, the cleaning head 100 includes an inlet 1b for allowing dust, hair, and other debris to enter, and an outlet 1c for discharging these debris into a dust collection box or a vacuum system. These two openings are typically located at the bottom (near the surface being cleaned) and the rear (near the connection between the cleaning head 100 and the dust collection device main unit) of the housing 1.

[0104] It should be noted that inlet 1b is used to receive dust, hair and other debris from surfaces such as the ground, bed or table; outlet 1c uses the suction airflow to transport the collected debris to the dust collection device, thus achieving a closed loop of cleaning function.

[0105] In order to optimize the airflow organization inside the cleaning head 100 and improve cleaning efficiency, the inlet 1b and the outlet 1c are arranged at intervals in the front-back direction of the housing 1. That is, in the direction extending along the forward direction of the cleaning head 100 (e.g., the direction of movement of the sweeping robot), the inlet 1b is located on the front side and the outlet 1c is located on the rear side, with a certain distance between them, so as to form a stable airflow path from the inlet 1b to the outlet 1c, thereby improving the adsorption capacity of pollutants on the ground.

[0106] Based on this, the second cleaning component 3 is offset from the outlet 1c in the horizontal direction. That is, when viewed from the side of the cleaning head 100, the position of the second cleaning component 3 is not flush with the outlet 1c, but offset, located above, below, to the left or to the right of the outlet 1c, to ensure that it does not block the main airflow channel formed by the outlet 1c.

[0107] In this way, the staggered arrangement avoids the second cleaning component 3 from blocking the main airflow path, thereby preventing the problem of reduced intake efficiency due to local airflow obstruction. In addition, since there is usually strong airflow disturbance in the outlet 1c area, if the second cleaning component 3 is located in this area, it may be subjected to continuous airflow impact, resulting in vibration, displacement, or even structural fatigue, affecting its cleaning performance and service life.

[0108] Further, please refer to Figure 9 In this embodiment, the second cleaning component 3 is located behind the first cleaning component 2.

[0109] During the cleaning process, the first cleaning component 2, being in direct contact with the ground, is highly susceptible to entanglement of hair, fibers, and other filamentous materials. If these contaminants are not removed promptly, they may detach during subsequent operation and fall back onto the undisturbed ground, causing re-contamination of the areas already cleaned by the first cleaning component 2. This necessitates a second cleaning by the first cleaning component 2, resulting in resource waste and reduced cleaning efficiency. By placing the second cleaning component 3 behind the first cleaning component 2, when it completes its cleaning action, the fallen contaminants are already positioned above the already cleaned area or within the internal space of the cleaning head 100, rather than on the uncleaned area, effectively preventing repeated cleaning.

[0110] Because the second cleaning component 3 is located at the rear, the dirt released during its cleaning process is more likely to fall into the suction area near the outlet 1c of the cleaning head 100, where it is promptly absorbed by the suction device and transported to the dust collection system, rather than continuing to drift or remain inside the cleaning head 100 as the equipment moves. This not only improves the capture rate of fine particles and filaments by the cleaning head 100, but also reduces the risk of internal clogging.

[0111] Furthermore, from a structural and functional perspective, the second cleaning component 3 is located behind the first cleaning component 2, resulting in a relatively stable working environment that is less susceptible to external ground obstacles or complex terrain. Compared to the front-mounted structure, the rear-mounted second cleaning component 3 is less exposed to the external environment, reducing the risk of structural damage or operational malfunctions due to accidental contact with foreign objects.

[0112] By placing the second cleaning component 3 behind the first cleaning component 2, not only can the problem of repeated cleaning caused by dirt falling during the cleaning process be prevented, but the impurity collection efficiency, airflow organization stability and structural reliability of the cleaning head 100 are also greatly improved.

[0113] For further information, please refer to [link / reference]. Figure 9 In this embodiment, the second cleaning component 3 is located above the axis of the outlet 1c.

[0114] It should be noted that "the axis of outlet 1c" refers to an imaginary straight line connecting the center of outlet 1c and in the same direction as the airflow. "Located above the axis of outlet 1c" means that the lowest point of the second cleaning component 3 or its rotation center is at a height higher than the axis in the vertical direction, so that the contact area between the second cleaning component 3 and the first cleaning component 2 is closer to outlet 1c and the whole is located above the axis of outlet 1c.

[0115] Thus, when the second cleaning component 3 scrapes or brushes the first cleaning component 2, the cleaned hair, dust and other dirt fall downwards due to gravity and quickly enter the high-speed airflow area near the outlet 1c, thereby shortening the distance of the dirt from the cleaning point to the point where it is captured by the airflow and increasing the probability of it being sucked into the dust collection system, thereby effectively preventing dirt from accumulating or getting tangled on the first cleaning component 2 again.

[0116] Furthermore, this arrangement reduces the residence time of dirt inside the cleaning head 100. Since the second cleaning component 3 is located above the outlet 1c, the contaminants it removes are more easily affected by the airflow from the direction of the outlet 1c during their fall, thereby accelerating their entry into the suction channel and achieving efficient cleaning and timely recovery of dirt on the surface of the first cleaning component 2.

[0117] Specifically, please refer to Figure 8 and Figure 9 The outer diameter of the cross-section of the second cleaning component 3 is set to be smaller than the outer diameter of the cross-section of the first cleaning component 2.

[0118] It should be noted that since the first cleaning component 2 is mainly used to directly contact the surfaces to be cleaned, such as the ground, bed, or table, and undertakes the main cleaning task, it needs a larger outer diameter to ensure good ground contact and cleaning efficiency. The main function of the second cleaning component 3 is to assist in removing hair from the first cleaning component 2 and to work with the cutting structure 4 to complete the hair removal work; therefore, it does not need to have the same size as the first cleaning component 2.

[0119] By designing the outer diameter of the second cleaning component 3 to be smaller, more space can be reserved for the layout of its surrounding components and housing 1 without reducing cleaning performance. This facilitates a compact design of the overall structure of the cleaning head 100, which is especially suitable for household cleaning equipment with high space requirements, such as robot vacuum cleaners and handheld vacuum cleaners.

[0120] In addition, the smaller size of the second cleaning component 3 results in a smaller moment of inertia, making it easier to respond to the actions of the drive components and improving the efficiency of collaborative work with the first cleaning component 2.

[0121] Please see Figures 10 to 13In this embodiment, the cleaning head 100 further includes a first drive motor 8, a second transmission mechanism 91, and a third transmission mechanism 92. The first drive motor 8 has a first output shaft 81 and a second output shaft 82 arranged opposite to each other. The first output shaft 81 and the second output shaft 82 are rotatably arranged about a left-right extending rotation axis. The second transmission mechanism 91 drives the first output shaft 81 and the first cleaning component 2 to drive the first cleaning component 2 to rotate. The third transmission mechanism 92 drives the second output shaft 82 and the second cleaning component 3 to drive the second cleaning component 3 to rotate.

[0122] It is understood that the first drive motor 8 has a first output shaft 81 and a second output shaft 82 arranged opposite to each other. Both output shafts are rotatably arranged around a left-right extending axis of rotation, that is, their rotation direction is perpendicular to the forward direction (front-back direction) of the cleaning head, and they are located at the two ends of the motor body in the left-right direction, respectively.

[0123] In order to achieve independent drive control of the first cleaning component 2 and the second cleaning component 3, the cleaning head 100 also includes a second transmission mechanism 91. One end of the second transmission mechanism 91 is connected to the first output shaft 81 of the first drive motor 8, and the other end is connected to the first cleaning component 2. It is used to transmit the power output by the motor to the first cleaning component 2, so that it rotates around its own rotation axis, thereby realizing the function of cleaning the ground.

[0124] One end of the third transmission mechanism 92 is connected to the second output shaft 82 of the first drive motor 8, and the other end is connected to the second cleaning component 3, which is used to drive the second cleaning component 3 to rotate, thereby realizing the self-cleaning effect on the surface of the first cleaning component 2.

[0125] The second transmission mechanism 91 and the third transmission mechanism 92 can be of various forms, such as gear transmission, belt transmission, sprocket transmission, or worm gear transmission. The specific selection can be reasonably set according to the internal space layout of the cleaning head, transmission efficiency, and noise control requirements. For example, in a preferred embodiment, the second transmission mechanism 91 adopts a spur gear set, and the third transmission mechanism 92 adopts a synchronous belt drive.

[0126] Furthermore, since the first output shaft 81 and the second output shaft 82 of the first drive motor 8 are arranged symmetrically, the rotation direction of the first cleaning component 2 and the second cleaning component 3 can be kept in the same or opposite direction by reasonably designing the transmission path, thereby further enhancing the cleaning performance and self-cleaning effect.

[0127] By employing a first drive motor 8 with dual output shafts, and driving the first cleaning component 2 and the second cleaning component 3 to rotate via a second transmission mechanism 91 and a third transmission mechanism 92 respectively, the number of drive units required inside the cleaning head 100 is reduced, simplifying the overall structural design and lowering manufacturing costs and assembly complexity. Furthermore, since only one drive motor and its control circuit are used, energy consumption is reduced, as are potential heat sources and electrical connection points.

[0128] Furthermore, it should be noted that since the first cleaning component 2 and the second cleaning component 3 are both powered by the same motor and transmit torque independently through their respective transmission mechanisms, the two can maintain an ideal speed matching relationship by reasonably setting the transmission ratio, thereby improving the cleaning efficiency of the second cleaning component 3 on the surface of the first cleaning component 2.

[0129] Of course, the driving method for rotating the first cleaning component 2 and the second cleaning component 3 is not limited to the specific embodiments described above. For other embodiments, please refer to [link / reference needed]. Figures 7 to 9 The cleaning head further includes a second drive motor and a fourth transmission mechanism, wherein the fourth transmission mechanism is connected to the second drive motor and the second cleaning component to drive the second cleaning component to rotate.

[0130] It should be noted that the fourth transmission mechanism can take many forms, such as belt drive, gear drive or chain drive.

[0131] By setting a fourth transmission mechanism, the second drive motor can be arranged in a reasonable position, providing greater flexibility for the spatial layout of the two cleaning components inside the housing, and also helping to improve the miniaturization and integration of the overall structure of the cleaning head.

[0132] Specifically, in order to improve the compactness and rationality of the overall structure of the cleaning head, in this embodiment, the cleaning head further includes a third drive motor for driving the first cleaning component to rotate. The third drive motor and the second drive motor are both located on the rear side of the first cleaning component and are arranged sequentially along the axial direction of the second cleaning component.

[0133] Understandably, the second and third drive motors are not located on opposite sides of the cleaning component, but are instead uniformly positioned behind the first cleaning component and arranged axially along the second cleaning component. For example, inside the cleaning head housing, the two motors can be staggered, forming a motor array parallel to the axis of the second cleaning component, thus avoiding excessive lateral space occupation and reserving more installation space for other components.

[0134] Furthermore, the motor layout of this invention also facilitates the design of subsequent transmission structures. For example, the third drive motor can transmit power to the rotating shaft end of the second cleaning component via a gear set or belt, while the second drive motor can directly drive the first cleaning component, enabling the two cleaning components to achieve more flexible speed matching and steering control under the control of their respective motors.

[0135] By placing both the second and third drive motors behind the first cleaning component and arranging them sequentially along its axial direction, the internal drive mechanism of the cleaning head becomes more compact and efficient. This not only saves lateral space and increases the miniaturization of the cleaning head but also facilitates independent drive control of the two cleaning components, allowing for adjustments to their respective speeds and directions based on actual usage needs, thus improving hair removal efficiency. Furthermore, the centralized arrangement of the two motors in the same area simplifies the housing structure, optimizes the assembly process, and reduces manufacturing costs and maintenance complexity.

[0136] Specifically, please refer to Figure 12 and Figure 13 In one embodiment, the first cleaning component 2 includes a first roller brush extending in a left-right direction, and the second cleaning component 3 includes a second roller brush extending in a left-right direction, with the second roller brush and the first roller brush arranged side by side; the first drive motor 8 is embedded inside the first roller brush, the first output shaft 81 is disposed inside the first roller brush and is connected to the inner wall of the first roller brush through the second transmission mechanism 91; the second output shaft 82 is exposed outside the first roller brush and is connected to the second roller brush through the third transmission mechanism 92.

[0137] The first drive motor 8 is embedded in the internal cavity of the first roller brush 2, forming an integrated roller brush structure. It is connected to the inner wall of the first roller brush 2 through the second transmission mechanism 91, thereby transmitting the rotational power output by the motor to the first roller brush 2, causing it to rotate around its own axis to achieve the sweeping action on the ground. The second output shaft 82 protrudes from one end of the first roller brush 2 and is connected to the second roller brush 3 through the third transmission mechanism 92, thereby driving the second roller brush 3 to rotate synchronously or asynchronously, for scraping or scrubbing the dirt attached to the surface of the first roller brush 2.

[0138] It should be noted that, compared to arranging the drive motor separately on the outside or bottom of the cleaning head housing, which not only occupies more space but also affects the overall center of gravity distribution of the machine, this embodiment, by completely embedding the first drive motor 8 inside the first roller brush 2, forms an integrated structure of power and functional components, thereby simplifying the overall layout of the cleaning head and making it suitable for small sweeping robots and other devices with strict size limitations.

[0139] Furthermore, since the first output shaft 81 directly drives the first roller brush 2 to rotate via the second transmission mechanism 91, the power transmission path is short and the response speed is fast, improving the operating efficiency and cleaning ability of the first roller brush 2. The second output shaft 82 drives the second roller brush 3 to rotate via the third transmission mechanism 92, enabling the second roller brush 3 to efficiently clean dirt from the surface of the first roller brush while being arranged side by side with the first roller brush 2. Because both roller brushes have a left-right extending structure and their rotation axes are aligned, the contact state between them can be kept stable, resulting in a uniform cleaning effect.

[0140] Further, please refer to Figures 3 to 6 In this embodiment, the cleaning head 100 further includes a cutting structure 4 disposed in the cavity 1a, the cutting structure 4 being used to cut hair wrapped around the second cleaning member 3.

[0141] It should be noted that the cutting structure 4 is mainly used to cut the hair wrapped around the second cleaning component 3, preventing tangling and shortening its length so that it can be discharged from the outlet 1c and enter the dust collection box or other collection device, thus preventing hair accumulation from causing blockage or affecting the cleaning effect. The cutting structure 4 can be fixedly installed inside the housing 1, close to the second cleaning component 3; or it can be directly integrated into the second cleaning component 3, moving together with the second cleaning component 3 to achieve the effect of scraping and cutting simultaneously; in some embodiments, the cutting structure 4 can also be set on the first cleaning component 2, using the rotation of the first cleaning component 2 to drive its movement, and simultaneously cutting the scraped hair. The specific design can be based on the actual situation, and this specification does not limit this embodiment.

[0142] In one specific implementation, please refer to Figures 3 to 6 The cutting structure 4 includes two cutting portions 41, which extend along the axial direction of the second cleaning member 3 and can move relative to each other in the axial direction (i.e., the length direction) or the radial direction. This allows the two cutting portions 41 to generate a scissor-like cutting action, thereby more effectively cutting off the hair wrapped around the surface of the second cleaning member 3.

[0143] To achieve the aforementioned shearing function, the cleaning head 100 also includes a first transmission mechanism 5, which is disposed between the second cleaning member 3 and the two cutting sections 41. Its function is to convert the rotational motion of the second cleaning member 3 into the relative motion stroke between the two cutting sections 41. For example, when the second cleaning member 3 rotates, the transmission mechanism can drive one of the cutting sections 41 to slide or swing relative to the other cutting section 41, thereby generating a shearing force.

[0144] Specifically, the first transmission mechanism 5 can adopt a gear and rack structure, a cam and connecting rod structure, a screw transmission mechanism, or other similar mechanical transmission methods. These structures can convert the continuous rotational motion of the second cleaning component 3 into a periodic cutting action, so that the two cutting parts 41 continuously open and close during the rotation of the cleaning component, and continuously perform efficient cutting treatment on the hair wrapped around its surface.

[0145] Since the shearing action between the two cutting sections 41 is driven by the rotation of the second cleaning component 3 itself, no additional motor or drive device is required. The structure is simple, compact, and easy to integrate into the internal space of the cleaning head 100. Furthermore, this structure can automatically adjust the shearing frequency according to changes in the rotation speed of the cleaning component, adapting it to the hair cleaning needs of different usage scenarios.

[0146] Specifically, in this embodiment, the second cleaning member 3 includes a base 32 and bristles 31 mounted on the periphery of the base 32. One of the cutting portions 41 is fixedly mounted on the base 32 and at least partially protrudes outward from the surface of the base 32. The first transmission mechanism 5 includes a sliding member 51, which is movably disposed relative to the base 32 along the axial direction and / or radial direction of the second cleaning member 3. Another cutting portion 41 is fixedly mounted on the sliding member 51 and at least partially protrudes outward from the surface of the base 32.

[0147] Two cutting parts 41 are respectively installed on the base 32 of the second cleaning part 3 and the sliding part 51, and the rotational motion of the cleaning part is converted into the reciprocating motion of the sliding part 51 through the first transmission mechanism 5, so as to realize the automatic cutting action between the two cutting parts 41.

[0148] This design not only fully utilizes the rotational power of the second cleaning component 3, avoiding the introduction of additional driving components, but also ensures good synchronization and stability of the cutting action. Through the flexible movement of the slider 51, an effective cutting angle can be formed between the two cutting sections 41, efficiently cutting hair entangled on the surface of the cleaning component and preventing hair accumulation from affecting the cleaning effect. Furthermore, the design of the cutting section 41 protruding from the surface of the base 32 ensures that the cutting section 41 can effectively target the hair without losing its cutting ability due to excessive depth.

[0149] In one specific embodiment, a guide structure is provided between the sliding member 51 and the second cleaning member 3 to guide the sliding member 51 to perform controllable reciprocating motion in the axial direction or radial direction of the second cleaning member 3.

[0150] Specifically, the base 32 of the second cleaning member 3 and the sliding member 51 are provided with a guide groove 51a, and the other is provided with a guide portion 61 that matches the guide groove 51a. The guide portion 61 can be a protrusion, a pin, or other adaptable structure, which can be inserted into the guide groove 51a and slide along it.

[0151] When the second cleaning component 3 rotates, the guide portion 61 rotates with the cleaning component and slides relative to it within the guide groove 51a. Due to the shape design of the guide groove 51a, such as an inclined groove, an arc groove, or a curved groove, the guide portion 61 generates a certain displacement component during its sliding process, pushing the slider 51 to move axially or radially, so as to convert the rotational motion of the second cleaning component 3 into the linear or oscillating motion of the slider 51.

[0152] A cutting part 41 is mounted on the slider 51, so when it moves, the cutting part 41 will move relative to another cutting part 41 fixed on the base 32, forming a shearing stroke similar to scissors. The shearing action can continue during the rotation of the second cleaning member 3, achieving efficient cutting of hair wrapped around its surface.

[0153] By providing a guide groove 51a and a guide portion 61 between the slider 51 and the second cleaning component 3, the slider 51 can automatically generate reciprocating motion during the rotation of the cleaning component, thereby driving the two cutting portions 41 to form a shearing action. This mechanical linkage method is not only simple in structure and stable in operation, but also relies entirely on the rotational power of the second cleaning component 3 itself, without the need to introduce an additional drive device, reducing energy consumption and manufacturing costs, and is suitable for the miniaturized spatial layout of the cleaning head 100.

[0154] Specifically, the extension direction of the guide groove 51a is inclined to intersect the axial direction of the second cleaning member 3, and the guide portion 61 extends radially along the second cleaning member 3 and passes through the guide groove 51a.

[0155] The guide groove 51a is configured to intersect the axis of the cleaning component at an angle, and the guide portion 61 extends radially along the cleaning component and passes through it. This allows the sliding of the guide portion 61 within the guide groove 51a during the rotation of the cleaning component to be naturally converted into axial displacement of the sliding member 51. This configuration, by utilizing the angular characteristics of the inclined guide groove 51a, converts rotational motion into linear motion, thereby driving the shearing action between the two cutting portions 41 and achieving continuous and efficient cutting of hair on the surface of the second cleaning component 3.

[0156] More specifically, in this embodiment, the first transmission mechanism 5 further includes a mounting shaft 6 extending along the axis of the second cleaning component 3. One end of the mounting shaft 6 is fixedly connected to the housing 1 of the cleaning head 100, and the other end extends into the interior of the second cleaning component 3, with a bearing 7 sleeved around it. The base 32 of the second cleaning component 3 is connected to the outer ring of the bearing 7, so that the entire cleaning component can rotate freely relative to the mounting shaft 6 under the action of the bearing 7.

[0157] A guide portion 61 extends outward from the side of the mounting shaft 6. This guide portion 61 can be a pin or a protrusion structure, and forms a sliding fit with the guide groove 51a provided on the sliding member 51. When the second cleaning member 3 rotates with the bearing 7, the sliding member 51 and its guide groove 51a also rotate. However, since the guide portion 61 is fixed on the mounting shaft 6, the guide portion 61 will slide relative to the guide groove 51a.

[0158] Because the guide groove 51a is inclined, the guide part 61 will generate a displacement component along the axis of the cleaning part during its sliding process, which will push the slider 51 to move axially. A cutting part 41 is installed on the slider 51, and another cutting part 41 is fixed on the base 32 of the cleaning part. Therefore, the movement of the slider 51 will cause the two cutting parts 41 to form a scissor-like opening and closing action.

[0159] By introducing a structural combination of mounting shaft 6 and bearing 7 into the first transmission mechanism 5, and using the guide part 61 on the mounting shaft 6 and the guide groove 51a on the sliding member 51 for driving cooperation, the second cleaning member 3 can automatically drive the sliding member 51 to generate axial displacement during its own rotation, thereby driving the two cutting parts 41 to form a shearing action.

[0160] Specifically, in the first embodiment, each of the cutting portions 41 includes a blade that extends continuously along the axial direction of the second cleaning member 3 and does not protrude from the axial end face of the second cleaning member 3.

[0161] Specifically, the blade is embedded entirely inside or near the surface of the second cleaning element 3, and its two ends do not extend beyond the axial end face of the cleaning element, i.e., they do not protrude outwards. This allows the blade to uniformly cut the hair wrapped around its surface along the entire length of the cleaning element.

[0162] In the second embodiment, each of the cutting portions 41 includes a plurality of blades spaced apart in the axial direction of the second cleaning member 3, so as to reduce the amount of material used while maintaining good shearing performance.

[0163] Further, in this embodiment, the second cleaning member 3 includes a base 32 and bristles 31 installed around the base 32. The cutting structure 4 is installed on the base 32 and protrudes outward from the base 32 along the radial direction of the second cleaning member 3. The maximum radial distance between the cutting structure 4 and the central axis of the base 32 is d1, and the maximum radial distance between the bristles 31 and the central axis of the base 32 is d2, where d2 > d1.

[0164] It should be noted that "maximum radial distance" refers to the maximum straight-line distance between the outermost point of a structure (such as bristle 31 or cutting structure 4) and its rotation center of the second cleaning component 3. This distance is measured from the geometric center of the cleaning component along a direction perpendicular to the axis of the cleaning component to the outermost position of the structure.

[0165] Specifically: d1 refers to the maximum radial distance between the cutting structure 4 and the central axis of the base 32 of the second cleaning element 3 to its outermost edge; d2 refers to the maximum radial distance between the bristles 31 and the central axis of the base 32 of the second cleaning element 3 to its outermost end.

[0166] Setting d2 to be greater than d1 means that although the cutting structure 4 protrudes outward, its position is always inside the bristles 31. During the process of the second cleaning component 3 and the first cleaning component 2 approaching and making contact, the bristles 31 always contact the first cleaning component 2 first, while the cutting structure 4 is "protected" inside by the bristles 31 and will not directly contact the surface of the first cleaning component 2 or the bristles 31. Even if, during actual operation, the bristles 31 undergo slight deformation due to the rotation of the cleaning component, pressure changes, or uneven ground, the cutting structure 4 will not accidentally contact the first cleaning component 2, thus effectively preventing accidental damage to the first cleaning component 2 due to the cutting structure 4.

[0167] Specifically, in this embodiment, 1mm ≤ d2 - d1 ≤ 3mm. Preferably, 1.5mm ≤ d2 - d1 ≤ 2mm.

[0168] It should be noted that if the radial distance difference between the bristles 31 and the cutting structure 4 is too small, such as less than 1 mm, the cutting structure 4 may be accidentally exposed and come into contact with the first cleaning component 2 when the bristles 31 are deformed, causing accidental cutting of the surface of the first cleaning component 2, resulting in wear or even jamming; while if the distance difference is too large, such as more than 3 mm, the cutting structure 4 may be far from the outer surface of the cleaning component, affecting its cutting efficiency for tangled hair.

[0169] Therefore, by controlling the distance difference between 1 and 3 mm, and further optimizing it to between 1.5 and 2 mm, it is possible to ensure good shearing effect while effectively avoiding unnecessary interference between the cutting structure 4 and the first cleaning component 2, thus achieving the best balance between cleaning efficiency and safety.

[0170] In the second embodiment provided by this utility model, please refer to Figure 1 , Figure 2 , Figure 8 and Figure 9 The cleaning head 100 includes a housing 1, a first cleaning component 2, and a second cleaning component 3. The housing 1 has a cavity 1a and an inlet 1b communicating with the cavity 1a. The first cleaning component 2 is rotatably disposed in the cavity 1a and is at least partially exposed in the inlet 1b for contacting the surface to be cleaned and collecting dirt on the surface to be cleaned. The second cleaning component 3 is at least partially in contact with the first cleaning component 2, with the distance between it and the surface to be cleaned being greater than zero. The second cleaning component 3 is provided with a cutting structure 4 for cleaning hair entangled on the second cleaning component 3.

[0171] Compared to the cleaning head 100 in the first embodiment provided in this application, in this embodiment, the second cleaning member 3 is disposed within the cavity 1a and forms at least partial contact with the first cleaning member 2, for cleaning dirt adhering to the first cleaning member 2. Furthermore, the distance between the second cleaning member 3 and the surface to be cleaned is defined, and there is a certain vertical height difference between the second cleaning member 3 and the ground, and this height difference is a positive value.

[0172] Specifically, the second cleaning component 3 is set to have a distance greater than zero between it and the surface to be cleaned. That is, when the cleaning head 100 is working normally, the lowest point of the second cleaning component 3 is higher than the height of the surface to be cleaned, ensuring that it does not directly contact the ground, thereby avoiding wear or increased energy consumption caused by friction.

[0173] In addition, please see Figures 3 to 6 In this embodiment, the cleaning head 100 is also provided with a cutting structure 4, which is integrated inside the second cleaning component 3 or linked with it. This structure can periodically cut the hair wrapped around its surface during the rotation of the second cleaning component 3, thereby avoiding long-term accumulation of hair that may cause blockage or affect the normal operation of the cleaning component.

[0174] In this embodiment, the specific structure of the cleaning head 100 includes at least one or more specific embodiments of the first embodiment of the present invention, which will not be described in detail here.

[0175] This utility model also proposes a cleaning device. Specifically, the cleaning device can be a vacuum cleaner, sweeper, floor scrubber, mite remover, fabric cleaner, carpet cleaner, pet hair cleaner, handheld multi-functional cleaner, etc. The cleaning device includes a cleaning head 100. The specific structure of the cleaning head 100 is as described in the above embodiments. Since this cleaning device adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0176] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A cleaning head (100) characterized by, include: The housing (1) has a cavity (1a) and an inlet (1b) communicating with the cavity (1a); The first cleaning component (2) is rotatably disposed within the cavity (1a); as well as, The second cleaning component (3) is used to clean or collect dirt from the first cleaning component (2); The first cleaning component (2) is at least partially exposed in the inlet (1b) to contact the surface to be cleaned, and the second cleaning component (3) is configured to be spaced from the surface to be cleaned.

2. The cleaning head (100) of claim 1, characterized in that The first cleaning element (2) is rotatably disposed about a first axis, and the second cleaning element (3) is rotatably disposed about a second axis. The second cleaning element (3) is at least partially in contact with the first cleaning element (2). The second cleaning element (3) is used to clean dirt on the first cleaning element (2) during its rotational stroke. The first axis and the second axis are spaced apart and parallel.

3. The cleaning head (100) of claim 2, characterized in that The second axis is located above the first axis.

4. The cleaning head (100) of claim 2, wherein, The length of the second cleaning element (3) in its axial direction is set to be greater than or equal to the length of the first cleaning element (2) in its axial direction, so as to cover the size of the first cleaning element (2) in its axial direction.

5. The cleaning head (100) of claim 1, wherein, The housing (1) also has an outlet (1c) that is connected to the cavity (1a), and the inlet (1b) and the outlet (1c) are arranged at an upward interval in front and behind the housing (1); The second cleaning component (3) is offset from the outlet (1c) in the horizontal direction.

6. The cleaning head (100) as described in claim 5, characterized in that, The second cleaning component (3) is located behind the first cleaning component (2).

7. The cleaning head (100) of claim 5, wherein, The second cleaning component (3) is located above the axis of the outlet (1c).

8. The cleaning head (100) of claim 1, wherein, The outer diameter of the cross section of the second cleaning component (3) is set to be smaller than the outer diameter of the cross section of the first cleaning component (2).

9. The cleaning head (100) of claim 1, wherein, The cleaning head (100) further includes a first drive motor (8), a second transmission mechanism (91) and a third transmission mechanism (92). The first drive motor (8) has a first output shaft (81) and a second output shaft (82) arranged opposite to each other. The first output shaft (81) and the second output shaft (82) are both rotatably arranged about a left-right extending rotation axis. The second transmission mechanism (91) is connected to the first output shaft (81) and the first cleaning component (2) to drive the first cleaning component (2) to rotate; The third transmission mechanism (92) is connected to the second output shaft (82) and the second cleaning component (3) to drive the second cleaning component (3) to rotate.

10. The cleaning head (100) of claim 9, characterized in that The first cleaning component (2) includes a first roller brush extending in the left-right direction, and the second cleaning component (3) includes a second roller brush extending in the left-right direction, with the second roller brush arranged side by side with the first roller brush; The first drive motor (8) is embedded inside the first roller brush, and the first output shaft (81) is located inside the first roller brush and is connected to the inner wall of the first roller brush through the second transmission mechanism (91). The second output shaft (82) is exposed outside the first roller brush and is connected to the second roller brush through the third transmission mechanism (92).

11. The cleaning head (100) as claimed in claim 1, characterized in that, The cleaning head (100) also includes a cutting structure (4) disposed in the cavity (1a), the cutting structure (4) being used to cut hair wrapped around the second cleaning member (3).

12. The cleaning head (100) of claim 11, characterized in that The cutting structure (4) includes two cutting portions (41) stacked together, each cutting portion (41) extending along the axial direction of the second cleaning member (3). The two cutting portions (41) are movably arranged relative to each other in the axial direction and / or radial direction of the second cleaning member (3) to cut hair wrapped around the second cleaning member (3).

13. A cleaning head (100) characterized by, include: The housing (1) has a cavity (1a) and an inlet (1b) communicating with the cavity (1a); The first cleaning component (2) is rotatably disposed in the cavity (1a) and at least partially exposed in the inlet (1b) for contacting the surface to be cleaned and collecting dirt on the surface to be cleaned; as well as, The second cleaning component (3) is in at least partial contact with the first cleaning component (2) such that the distance between it and the surface to be cleaned is set to be greater than zero; The second cleaning component (3) is provided with a cutting structure (4), which is used to clean the hair tangled on the second cleaning component (3).

14. The cleaning head (100) of claim 13, characterized in that The cutting structure (4) includes two cutting portions (41) stacked together, each cutting portion (41) extending along the axial direction of the second cleaning member (3). The two cutting portions (41) are movably arranged relative to each other in the axial direction and / or radial direction of the second cleaning member (3) to cut hair wrapped around the second cleaning member (3).

15. The cleaning head (100) of claim 13, wherein, The second cleaning component (3) is rotatably mounted on the cavity (1a) about its axis.

16. The cleaning head (100) as claimed in claim 15, characterized in that, The cutting structure (4) includes two cutting portions (41) that are movably disposed relative to each other in the axial direction and / or radial direction of the second cleaning component (3); A first transmission mechanism (5) is provided between the second cleaning component (3) and the two cutting parts (41). The first transmission mechanism (5) is used to convert the rotation stroke of the second cleaning component (3) into the shearing stroke of the two cutting parts (41) moving relative to each other.

17. The cleaning head (100) of claim 16, characterized in that The second cleaning component (3) includes a base (32) and bristles (31) mounted on the periphery of the base (32). A cutting portion (41) is fixedly mounted on the base (32) and is provided to protrude outward from the surface of the base (32) at least partially. The first transmission mechanism (5) includes a slider (51) which is movably disposed relative to the base (32) along the axial direction and / or radial direction of the second cleaning member (3). Another cutting part (41) is fixedly mounted on the slider (51) and is disposed at least partially protruding outward from the surface of the base (32).

18. The cleaning head (100) of claim 17, characterized in that One of the sliding member (51) and the second cleaning member (3) is provided with a guide groove (51a), and the other is provided with a guide portion (61) that cooperates with the guide groove (51a). The second cleaning member (3) rotates so that the guide portion (61) and the guide groove (51a) drive the sliding member (51) to move relative to the base (32). The movement of the sliding member (51) causes the two cutting portions (41) to generate a relative moving shear stroke.

19. The cleaning head (100) of claim 18, characterized in that The extension direction of the guide groove (51a) is inclined to intersect the axial direction of the second cleaning member (3), and the guide portion (61) extends radially along the second cleaning member (3) and passes through the guide groove (51a).

20. The cleaning head (100) of claim 15, wherein, The cleaning head (100) further includes a first drive motor (8), a second transmission mechanism (91) and a third transmission mechanism (92). The first drive motor (8) has a first output shaft (81) and a second output shaft (82) arranged opposite to each other. The first output shaft (81) and the second output shaft (82) are both rotatably arranged about a left-right extending rotation axis. The second transmission mechanism (91) is connected to the first output shaft (81) and the first cleaning component (2) to drive the first cleaning component (2) to rotate; The third transmission mechanism (92) is connected to the second output shaft (82) and the second cleaning component (3) to drive the second cleaning component (3) to rotate.

21. The cleaning head (100) of claim 20, characterized in that The first cleaning component includes a first roller brush extending in a left-right direction, and the second cleaning component includes a second roller brush extending in a left-right direction, with the second roller brush and the first roller brush arranged side by side. The first drive motor is embedded inside the first roller brush, and the first output shaft is located inside the first roller brush and is connected to the inner wall of the first roller brush through the second transmission mechanism. The second output shaft is exposed outside the first roller brush and is connected to the second roller brush through the third transmission mechanism.

22. The cleaning head (100) as claimed in claim 13, characterized in that, The first cleaning element (2) is rotatably disposed about a first axis, and the second cleaning element (3) is rotatably disposed about a second axis, for cleaning dirt on the first cleaning element (2) during its rotational stroke, and the first axis and the second axis are spaced apart and parallel.

23. The cleaning head (100) of claim 22, characterized in that The second axis is located above the first axis.

24. The cleaning head (100) of claim 13, wherein, The housing (1) also has an outlet (1c) that is connected to the cavity (1a), and the inlet (1b) and the outlet (1c) are arranged at an upward interval in front and behind the housing (1); The second cleaning component (3) is offset from the outlet (1c) in the horizontal direction.

25. The cleaning head (100) of claim 24, characterized in that The second cleaning component (3) is located behind the first cleaning component (2).

26. The cleaning head (100) as claimed in claim 24, characterized in that, The second cleaning component (3) is located above the axis of the outlet (1c).

27. A cleaning apparatus, characterized by Includes the cleaning head (100) as described in any one of claims 1 to 26.

Images