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, a second cleaning component, and a cutting structure. The first cleaning component is rotatably mounted on the housing around its rotation axis in a first rotation direction and is used to clean the surface to be cleaned. The second cleaning component is used to clean or collect dirt on it. The cutting structure is installed on the outer periphery of the second cleaning component, located radially outside the first cleaning component, and includes a first fixed blade and a moving blade arranged adjacent to each other in the circumferential direction. These two blades cooperate to cut filaments wrapped around the second cleaning component. When the first cleaning component rotates, the plane containing its rotation axis passes sequentially through the first fixed blade and the moving blade. During the cutting process, the dirt first contacts the stationary first fixed blade, is guided and buffered, and then enters the cutting zone of the moving blade, thereby reducing the impact on the moving blade and improving the stability and durability of the cutting structure.

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 adopting cleaning equipment (such as robotic vacuum cleaners or robot vacuum and mop combos) for daily cleaning. These devices typically have cleaning components at the suction port to enhance the cleaning effect on the floor. However, in actual use, because the cleaning components are in direct contact with the floor, they are prone to getting tangled with filamentous objects such as debris. When a large amount of debris gets tangled on the cleaning components, it not only reduces the suction efficiency of the cleaning device but may also obstruct the rotation of the cleaning components, leading to motor stalling, affecting the normal operation of the device and shortening its lifespan. Currently, users mainly rely on manually removing the debris from the cleaning components, which is not only time-consuming and laborious but also brings many inconveniences 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 entanglement with tangled materials and that the tangled materials are difficult to clean.

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

[0007] case;

[0008] A first cleaning component is rotatably mounted on the housing about its axis of rotation in a first direction of rotation;

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

[0010] A cutting structure is mounted on the second cleaning component and located on the outer side of the first cleaning component in the radial direction. The cutting structure includes at least two blades arranged adjacent to each other in the circumferential direction of the second cleaning component. One of the two blades is fixedly mounted on the second cleaning component to form a first fixed blade, and the other blade is movably arranged relative to the first fixed blade to form a movable blade. The movable blade and the first fixed blade are used to cut the entanglement wrapped around the second cleaning component.

[0011] The plane containing the rotation axis passes through the first fixed blade and the moving blade in sequence as the first cleaning component rotates along the first rotation direction.

[0012] Optionally, the first cleaning component is also rotatably disposed about its axis of rotation in a second rotation direction opposite to the first rotation direction;

[0013] The cutting structure further includes a second fixed blade fixedly installed on the second cleaning component. The second fixed blade is disposed adjacent to the moving blade and is located on the side of the moving blade away from the first fixed blade in the circumferential direction of the second cleaning component.

[0014] The plane containing the rotation axis passes sequentially through the second fixed blade and the moving blade as the first cleaning component rotates along the second rotation direction.

[0015] Optionally, the first fixed blade protrudes at least partially outward from the moving blade in the radial direction of the second cleaning member.

[0016] Optionally, the first fixed blade protrudes outward from the moving blade in the radial direction of the second cleaning member by a dimension w, where 0.1mm ≤ w ≤ 5mm.

[0017] Optionally, the cutting structure is movably disposed along the radial direction of the second cleaning member.

[0018] Optionally, each of the blades is serrated at its outer edge facing the first cleaning member.

[0019] Optionally, the blade includes a plurality of blade segments spaced apart in the axial direction of the second cleaning member, each blade segment being detachably mounted to the second cleaning member.

[0020] Optionally, a first transmission mechanism is provided between the second cleaning component and the two blades, the first transmission mechanism being used to convert the rotational stroke of the second cleaning component into the shearing stroke of the two blades relative to each other.

[0021] Optionally, the second cleaning member includes a base and a cleaning part mounted on the periphery of the base, and a blade is fixedly mounted on the base and at least partially protrudes outward from the surface of the base;

[0022] 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 blade is fixedly mounted to the slider and is disposed at least partially protruding outward from the surface of the base.

[0023] 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 slides in cooperation with the guide groove. The second cleaning member rotates to drive the guide portion to cooperate with the guide groove, thereby driving the slider to move relative to the base, so that the two blades generate a relative moving shearing stroke.

[0024] 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.

[0025] Optionally, the first transmission mechanism further includes:

[0026] A mounting shaft extends along the axial direction of the second cleaning component, one end of which is fixedly connected to the housing, and a guide portion extends outward from the side of the mounting shaft; and,

[0027] A bearing is fitted around the other end of the mounting shaft;

[0028] The base is connected to the periphery of the bearing so that when the base is rotatable relative to the mounting shaft, the guide portion and the guide groove drive each other to drive the sliding member to move relative to the base.

[0029] Optionally, the cleaning head further includes a first drive motor and a second transmission mechanism, wherein the second transmission mechanism is connected to the first drive motor and the second cleaning component to drive the second cleaning component to rotate.

[0030] Optionally, the cleaning head further includes a second drive motor for driving the first cleaning component to rotate. The first drive motor and the second drive motor are both located behind the first cleaning component and are arranged sequentially along the axial direction of the second cleaning component.

[0031] This utility model also provides a cleaning device, which includes the cleaning head described above.

[0032] The technical solution provided by this utility model has the following advantages:

[0033] By setting a second cleaning component, dirt on the first cleaning component can be cleaned in a timely manner. By setting a cutting structure, the entanglement wrapped around the second cleaning component can be cut off to avoid entanglement. During the rotation of the first cleaning component along the first rotation direction, the plane where its rotation axis is located passes through the first fixed blade and the moving blade in sequence. Before the dirt enters the cutting area, it comes into contact with the first fixed blade, which not only guides the dirt into the cutting area, but also plays a buffering and pre-treatment role to reduce the force impact on the moving blade during the cutting process and improve the overall durability of the cutting structure. Attached Figure Description

[0034] 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.

[0035] Figure 1 and Figure 2 A schematic diagram of the structure of an embodiment of the cleaning head provided by this utility model;

[0036] Figure 3 for Figure 1 A cross-sectional schematic diagram of the second cleaning component;

[0037] Figure 4 for Figure 3 A magnified view of a section at point X;

[0038] Figure 5 for Figure 1 An exploded view of the second cleaning component;

[0039] Figure 6 for Figure 5 A magnified view of a section at point A in the middle;

[0040] Figure 7 for Figure 5 A partial structural diagram of the second cleaning component;

[0041] Figure 8 for Figure 7 A magnified view of a section at point B in the middle;

[0042] Figure 9 for Figure 1 A partial structural diagram of the cleaning head;

[0043] Figure 10 for Figure 1 A plan view of the cleaning head;

[0044] Figure 11 for Figure 10 A cross-sectional view of CC.

[0045] Explanation of icon numbers:

[0046] 100. Cleaning head; 1. Housing; 1a. Cavity; 1b. Inlet; 1c. Outlet; 2. First cleaning component; 3. Second cleaning component; 31. Cleaning section; 32. Base; 4. Cutting structure; 41. Blade; 411. First fixed blade; 412. Moving blade; 5. First transmission mechanism; 51. Sliding component; 51a. Guide groove; 6. Mounting shaft; 61. Guide section; 7. Bearing; 8. First drive motor; 9. Second transmission mechanism; 10. Second drive motor.

[0047] 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

[0048] 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.

[0049] 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.

[0050] 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.

[0051] 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.

[0052] Please see Figures 1 to 4 In one embodiment of this utility model, the cleaning head 100 includes a housing 1, a first cleaning component 2, a second cleaning component 3, and a cutting structure 4. The first cleaning component 2 is rotatably mounted on the housing 1 about its rotation axis and along a first rotation direction. The second cleaning component 3 is used to clean or collect dirt on the first cleaning component 2. The cutting structure 4 is mounted on the second cleaning component 3 and is located on the outer side of the first cleaning component 2 in the radial direction. The cutting structure 4 includes at least two blades 41 arranged adjacent to each other in the circumferential direction of the second cleaning component 3. One of the two blades 41 is fixedly mounted on the second cleaning component 3 to form a first fixed blade 411, and the other blade 41 is movably arranged relative to the first fixed blade 411 to form a movable blade 412. The movable blade 412 and the first fixed blade 411 are used to cut the entangled material wrapped around the second cleaning component 3. The plane containing the rotation axis passes through the first fixed blade 411 and the movable blade 412 in sequence as the first cleaning component 2 rotates along the first rotation direction.

[0053] The housing 1 serves as the supporting structure for the entire cleaning head 100. Its bottom has an inlet 1b for drawing cleaned dust and debris through the outlet 1c into the dust collection box inside the cleaning equipment. The housing 1 also contains a cavity 1a for housing and securing other functional components.

[0054] The first cleaning component 2 is rotatably disposed within the housing 1, rotating about its own axis of rotation along a first rotation direction. Preferably, the first cleaning component 2 is a cleaning component structure with a cleaning part 31 or other cleaning element on its surface, used to contact the surface to be cleaned (such as a floor) to collect and transport dirt such as dust, hair, and debris from the ground to the suction port area. The rotation direction of the cleaning component is the first rotation direction, which is usually set to the direction of rolling from the front of the cleaning head 100 to the rear, so as to better bring dirt into the suction port.

[0055] During the cleaning process, especially when cleaning carpets, beds, and other areas, the first cleaning component 2 is prone to getting tangled with hair or other filamentous materials, which affects cleaning efficiency and may even cause excessive motor load.

[0056] The main function of the second cleaning component 3 is to clean or collect dirt, such as hair, fibers, and dust, that adheres to the first cleaning component 2 (especially the cleaning component). It should be noted that the second cleaning component 3 can be an auxiliary cleaning component or a non-contact structure, such as a scraper, an elastic scraper, or a structure with adsorption capacity, as long as it can effectively clean the first cleaning component 2.

[0057] Understandably, during actual operation, although the second cleaning component 3 serves to clean the first cleaning component 2, because the second cleaning component 3 is in direct contact with the tangled material, hair or other filaments originally scraped off from the first cleaning component 2 may also adhere to and gradually become entangled on the surface of the second cleaning component 3, which may itself become a new target for hair entanglement. If this is not effectively addressed, it will also affect the long-term operating efficiency of the cleaning head 100, and may even cause problems such as the cleaning component jamming or motor overload.

[0058] Therefore, the cutting structure 4 is provided on the outer periphery of the second cleaning component 3 (i.e., the side facing radially outward from the first cleaning component 2) to cut hair that may be entangled on the second cleaning component 3, preventing entanglement and shortening its length for easy discharge from the outlet 1c and into the dust collection box or other collection device. The cutting structure 4 includes at least two blades 41 arranged adjacent to each other along the circumferential direction of the second cleaning component 3. One blade 41 is fixedly mounted on the second cleaning component 3, forming a first fixed blade 411; the other blade 41 is movably disposed relative to the first fixed blade 411, forming a movable blade 412. The movable blade 412 can reciprocate or oscillate relative to the first fixed blade 411 under the action of a drive mechanism, thereby cooperating with the first fixed blade 411 to complete the cutting action.

[0059] It should be noted that the moving blade 412 is a movable component. The moving blade 412 not only needs to cut the tangled material, but also needs to frequently start, accelerate, decelerate, and even reverse its movement. This means that it is subjected to instantaneous reaction forces from the object being cut during each cutting operation. Over time, the moving blade 412 is prone to wear, dulling of the cutting edge, deformation, and even breakage.

[0060] Understandably, during the operation of the cleaning head 100, when the first cleaning member 2 rotates along the first rotation direction, the plane containing its rotation axis will sequentially pass through the positions of the first fixed blade 411 and the moving blade 412. That is, as the first cleaning member 2 rotates, the dirt (especially filamentous materials such as hair) carried on its surface, during the cleaning process by the second cleaning member 3, first comes into contact with the stationary first fixed blade 411 on the second cleaning member 3, and only then reaches the position of the moving blade 412. This ensures that the dirt is blocked and guided by the fixed blade 41 before entering the shearing area, reducing the possibility of the moving blade 412 directly bearing impact, thereby protecting the moving blade 412 from damage.

[0061] By setting the second cleaning component 3, the dirt on the first cleaning component 2 can be cleaned in time. By setting the cutting structure 4, the entangled material wrapped around the second cleaning component 3 can be cut to avoid entanglement. During the rotation of the first cleaning component 2 along the first rotation direction, the plane where its rotation axis is located passes through the first fixed blade 411 and the moving blade 412 in sequence. Before the dirt enters the cutting area, it comes into contact with the first fixed blade 411, which not only guides the dirt into the cutting area, but also plays a buffering and pre-treatment role to reduce the force impact on the moving blade 412 during the cutting process and improve the overall durability of the cutting structure 4.

[0062] Furthermore, in another embodiment, the first cleaning member 2 is also rotatably disposed about its rotation axis along a second rotation direction opposite to the first rotation direction; the cutting structure 4 further includes a second fixed blade (not shown) fixedly installed on the second cleaning member 3, the second fixed blade being disposed adjacent to the moving blade 412, and located on the side of the moving blade 412 away from the first fixed blade 411 in the circumferential direction of the second cleaning member 3; the plane containing the rotation axis passes through the second fixed blade and the moving blade 412 sequentially as the first cleaning member 2 rotates along the second rotation direction.

[0063] The first cleaning component 2 can rotate around its own axis of rotation in either a first rotation direction or a second rotation direction. It should be noted that, under normal circumstances, the first rotation direction is the direction of rolling backward from the front of the cleaning head 100 (i.e., clockwise) to guide dirt to the suction port area; while the second rotation direction is the opposite direction (i.e., counterclockwise), for example, to meet cleaning needs under certain specific working conditions, such as cleaning stubborn stains or adjusting the cleaning path.

[0064] To enable the cutting structure 4 to adapt to the operating states of the first cleaning component 2 in two rotational directions, this invention adds a second fixed blade to the second cleaning component 3. Specifically, the cutting structure 4 includes three blades 41: a first fixed blade 411 fixedly mounted on the second cleaning component 3, a movable blade 412 movable relative to the first fixed blade 411, and another second fixed blade fixedly mounted on the second cleaning component 3. The three blades 41 are arranged sequentially along the circumferential direction of the second cleaning component 3, wherein the first fixed blade 411 and the movable blade 412 are arranged adjacent to each other, and the movable blade 412 and the second fixed blade are arranged adjacent to each other, forming two sets of shearing units together.

[0065] When the first cleaning component 2 rotates along the first rotation direction, the plane containing its rotation axis will pass through the first fixed blade 411 and the moving blade 412 in sequence. At this time, the first fixed blade 411 serves as a pre-contact point, first contacting the dirt brought in by the first cleaning component 2, playing a buffering and guiding role. Subsequently, the dirt enters between the moving blade 412 and the first fixed blade 411 for shearing.

[0066] In certain cleaning scenarios, such as when the equipment needs to reverse cleaning or encounters complex terrain, the first cleaning component 2 may need to rotate in the second rotation direction. In this case, the plane containing the axis of rotation will pass through the second fixed blade and the moving blade 412 in sequence. Since the second fixed blade is also stationary, it plays a similar role to the first fixed blade 411 in this rotation direction—that is, it blocks and guides dirt before it enters the shearing area, thereby reducing the impact force on the moving blade 412 during the shearing process and preventing mechanical damage caused by instantaneous high load.

[0067] By setting the first fixed blade 411 and the second fixed blade, the dirt can be pre-contacted and guided in different rotation directions, effectively reducing the initial impact force on the moving blade 412, thereby improving its working stability and service life.

[0068] Further, please refer to Figure 3 and Figure 4 In some embodiments, the first fixed blade 411 is disposed in the radial direction of the second cleaning member 3, at least partially protruding outward from the moving blade 412.

[0069] In other words, when viewed from the axial perspective of the second cleaning element 3, the outer edge of the first fixed blade 411 extends further in the radial direction than the moving blade 412, so that it is exposed to the cleaning area in the space preferentially than the moving blade 412, thereby preferentially contacting the dirt brought in by the first cleaning element 2 during the cleaning process.

[0070] It should be noted that the first fixed blade 411 is configured to extend outward in the radial direction of the second cleaning member 3. The area of ​​the first fixed blade 411 protruding from the moving blade 412 can be local, such as only protruding outward in the cutting edge area of ​​the blade 41, or it can be a protrusion of the entire structure, so that the first fixed blade 411 is located outside the moving blade 412 in the entire circumferential position of the second cleaning member 3, so as to ensure that before the dirt enters the shearing area, after the dirt comes into contact with the first fixed blade 411, its movement path is adjusted and its speed is slowed down, thereby reducing its direct impact force on the moving blade 412, thereby achieving shielding and protection of the moving blade 412.

[0071] Specifically, please refer to Figure 3 and Figure 4 In this embodiment, the first fixed blade 411 protrudes outward from the moving blade 412 in the radial direction of the second cleaning member 3 by a dimension w, where 0.1mm≤w≤5mm.

[0072] It should be noted that "radial direction" refers to the direction originating from the rotation axis of the second cleaning component 3 and pointing towards its outer peripheral surface. The protruding dimension w refers to the radial distance difference between the outermost edge of the first fixed blade 411 and the outermost edge of the moving blade 412 in a cross-sectional view of the second cleaning component 3.

[0073] If w is too small (e.g., less than 0.1 mm), it will not be able to form an effective spatial misalignment, making it difficult to achieve a significant protective effect on the moving blade 412; while if w is too large (e.g., more than 5 mm), it may cause the first fixed blade 411 to protrude too much, affecting the overall structural strength, or even causing interference with other parts of the cleaning equipment.

[0074] The protruding dimension w is controlled between 0.1mm and 5mm. Within this range, the first fixed blade 411 can be preferentially exposed in the dirt entry path without affecting the overall structural layout of the cleaning head 100, thereby effectively guiding the flow of dirt and buffering its impact. At the same time, this dimension range also ensures that the moving blade 412 will not lose its shearing ability due to being completely obscured, guaranteeing an effective shearing area between the moving blade 412 and the first fixed blade 411.

[0075] Furthermore, in some other embodiments, the cutting structure 4 is movably disposed along the radial direction of the second cleaning member 3.

[0076] The cutting structure 4 is configured, either wholly or partially, to be radially movable along the second cleaning member 3. "Radial" refers to the direction originating from the axis of rotation of the second cleaning member 3 and pointing towards its outer peripheral surface. The cutting structure 4 is mounted on the second cleaning member 3 via an elastic connection mechanism or a sliding guide structure, allowing it to undergo slight displacement in this direction when subjected to external impact.

[0077] Specifically, an elastic reset element (such as a spring, rubber pad, or elastic cantilever structure) is provided between the mounting base of the cutting structure 4 and the second cleaning component 3. When the cutting structure 4 is subjected to an impact force from dirt, the cutting structure 4, either as a whole or partially, can retract inward a certain distance along the radial direction of the second cleaning component 3, thereby achieving buffering and absorption of the impact force. After the impact ends, under the action of the elastic reset element, the cutting structure 4 automatically returns to its original position, maintaining its normal shearing operation.

[0078] By setting the cutting structure 4 to be radially movable, the cutting structure 4 can generate a slight displacement in the radial direction of the second cleaning member 3 when an impact occurs, thereby dispersing the impact energy and reducing the degree of direct force on the blade 41.

[0079] Specifically, please refer to Figure 5 and Figure 6 In this embodiment, each of the blades 41 is serrated at its outer edge facing the first cleaning member 2.

[0080] It should be noted that the "outer edge" refers to the edge of the blade 41 facing the first cleaning element 2 (such as the cleaning element), that is, the part of the cutting structure 4 that directly contacts the dirt to be cut. The edge has a serrated profile with multiple continuous or spaced protrusions and depressions, which allows the blade 41 to quickly cut into the surface of the dirt when it comes into contact with it, forming multiple local stress concentration points, thereby enhancing the biting force and traction force of the blade 41 on the dirt.

[0081] In actual use, the types of waste that cleaning equipment faces are complex and diverse. Especially in the home environment, high-strength materials such as pet hair, long hair, and fabric fibers frequently enter the cutting area, causing certain local areas of the blade 41 to bear higher shear loads and frictional wear.

[0082] Furthermore, in this embodiment, the blade 41 includes a plurality of blade segments spaced apart in the axial direction of the second cleaning member 3, and each blade segment is detachably mounted to the second cleaning member 3.

[0083] It should be noted that, in order to achieve detachability, each blade segment can be detachably installed on the corresponding installation position of the second cleaning component 3 by means of snap-fit, plug-in, screw connection or magnetic attraction.

[0084] By setting a multi-segment blade 41 structure, the blade 41 can selectively replace the damaged parts according to the actual wear condition, avoiding unnecessary replacement of the entire component.

[0085] To implement the above cut function, please refer to [link / reference]. Figures 5 to 8The cleaning head 100 also includes a first transmission mechanism 5, which is disposed between the second cleaning member 3 and the two blades 41. Its function is to convert the rotational motion of the second cleaning member 3 into the relative motion stroke between the two blades 41. For example, when the second cleaning member 3 rotates, the transmission mechanism can drive one of the blades 41 to slide or swing relative to the other blade 41, thereby generating a shearing force.

[0086] 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 blades 41 continuously open and close during the rotation of the cleaning component, continuously and efficiently cutting the hair wrapped around its surface.

[0087] Since the shearing action between the two blades 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 and compact, making it 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 rotational speed of the cleaning component, adapting it to the hair removal needs of different usage scenarios.

[0088] Specifically, please refer to Figure 5 and Figure 6 In this embodiment, the second cleaning member 3 includes a base 32 and a cleaning part 31 installed around the base 32. One blade 41 is fixedly installed 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 arranged relative to the base 32 along the axial direction and / or radial direction of the second cleaning member 3. Another blade 41 is fixedly installed on the sliding member 51 and at least partially protrudes outward from the surface of the base 32.

[0089] Two blades 41 are respectively mounted on the base 32 of the second cleaning component 3 and the sliding component 51. The rotational motion of the cleaning component is converted into the reciprocating motion of the sliding component 51 through the first transmission mechanism 5, thereby realizing the automatic shearing action between the two blades 41.

[0090] This design not only fully utilizes the rotational power of the second cleaning component 3, avoiding the introduction of additional drive components, but also ensures good synchronization and stability of the shearing action. Through the flexible movement of the slider 51, an effective shearing angle can be formed between the two blades 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 blades 41 protruding from the surface of the base 32 ensures that the blades 41 can effectively target the hair without losing their cutting ability due to excessive depth.

[0091] 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.

[0092] Specifically, please refer to Figure 6 The second cleaning member 3 has a guide groove 51a on one of its base 32 and sliding member 51, and the other has a guide portion 61 that matches the guide groove 51a. The guide portion 61 can be a protrusion, a pin, or other adaptable structure, and can be inserted into the guide groove 51a and slide along it.

[0093] 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.

[0094] A blade 41 is mounted on the slider 51, so when it moves, the blade 41 moves relative to another blade 41 fixed on the base 32, forming a scissor-like cutting stroke. The cutting action can continue during the rotation of the second cleaning member 3, achieving efficient cutting of hair tangled on its surface.

[0095] 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 blades 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.

[0096] 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.

[0097] 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 blades 41 and achieving continuous and efficient cutting of hair on the surface of the second cleaning component 3.

[0098] For more specific details, please refer to Figures 5 to 8 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.

[0099] 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.

[0100] Because the guide groove 51a is inclined, the guide part 61 will generate a displacement component along the axis of the cleaning component during its sliding process, which will push the slider 51 to move axially. One blade 41 is mounted on the slider 51, and another blade 41 is fixed on the base 32 of the cleaning component. Therefore, the movement of the slider 51 will cause the two blades 41 to form a scissor-like opening and closing action.

[0101] 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 to drive the guide groove 51a on the sliding member 51, the second cleaning member 3 can automatically drive the sliding member 51 to generate axial displacement during its own rotation, thereby driving the two blades 41 to form a shearing action.

[0102] Please see Figures 9 to 11 In this embodiment, the cleaning head 100 further includes a first drive motor 8 and a second transmission mechanism 9. The second transmission mechanism 9 is connected to the first drive motor 8 and the second cleaning component 3 to drive the second cleaning component 3 to rotate.

[0103] It should be noted that the second transmission mechanism 9 can take various forms, such as belt drive, gear drive or chain drive.

[0104] By setting the second transmission mechanism 9, the first drive motor 8 can be arranged in a reasonable position, providing greater flexibility for the spatial layout of the two cleaning components inside the housing 1, and also helping to improve the miniaturization and integration of the overall structure of the cleaning head 100.

[0105] Specifically, in order to improve the compactness and rationality of the overall structure of the cleaning head 100, in another embodiment, the cleaning head 100 further includes a second drive motor 10 for driving the first cleaning component 2 to rotate. The first drive motor 8 and the second drive motor 10 are both located on the rear side of the first cleaning component 2 and are arranged sequentially along the axial direction of the second cleaning component 3.

[0106] It is understandable that the first drive motor 8 and the second drive motor 10 are not arranged on opposite sides of the cleaning component, but are uniformly set on the rear side of the first cleaning component 2 and arranged along the axial direction of the second cleaning component 3. For example, inside the housing 1 of the cleaning head 100, the two motors can be installed in a staggered manner to form a motor array parallel to the axis of the second cleaning component 3, thereby avoiding excessive lateral space occupation and reserving more installation space for other components.

[0107] Furthermore, the motor layout of this invention also facilitates the design of subsequent transmission structures. For example, the first drive motor 8 can transmit power to the rotating shaft end of the second cleaning component 3 via a gear set or belt, while the second drive motor 10 can directly drive the first cleaning component 2, enabling the two cleaning components to achieve more flexible speed matching and steering control under the control of their respective motors.

[0108] Both the first drive motor 8 and the second drive motor 10 are positioned behind the first cleaning component 2 and arranged sequentially along the axial direction of the second cleaning component 3, resulting in a more compact and rational layout of the drive device inside the cleaning head 100. This not only saves lateral space and improves the miniaturization of the cleaning head 100, but also facilitates independent drive control of the two cleaning components, allowing for adjustment of their respective speeds and directions according to actual usage needs, thereby improving hair removal efficiency. Furthermore, since the two motors are concentrated in the same area, it also simplifies the structure of the housing 1, optimizes the assembly process, and reduces manufacturing costs and maintenance difficulty.

[0109] 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.

[0110] 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: Shell (1); A first cleaning component (2) is rotatably mounted on the housing (1) about its axis of rotation in a first direction of rotation; A second cleaning component (3) is used to clean or collect dirt from the first cleaning component (2); and, A cutting structure (4) is installed on the second cleaning component (3) and located on the radial side of the first cleaning component (2). The cutting structure (4) includes at least two blades (41) arranged adjacent to each other in the circumferential direction of the second cleaning component (3). One of the two blades (41) is fixedly installed on the second cleaning component (3) to form a first fixed blade (411), and the other blade (41) is movably arranged relative to the first fixed blade (411) to form a movable blade (412). The movable blade (412) and the first fixed blade (411) are used to cut the entanglement wrapped around the second cleaning component (3). The plane containing the rotation axis passes through the first fixed blade (411) and the moving blade (412) in sequence as the first cleaning component (2) rotates along the first rotation direction.

2. The cleaning head (100) of claim 1, characterized in that The first cleaning component (2) is also rotatably disposed about its axis of rotation in a second rotation direction opposite to the first rotation direction; The cutting structure (4) further includes a second fixed blade fixedly installed on the second cleaning component (3). The second fixed blade is disposed adjacent to the moving blade (412) and is located on the side of the moving blade (412) away from the first fixed blade (411) in the circumferential direction of the second cleaning component (3). The plane containing the rotation axis passes through the second fixed blade and the moving blade (412) in sequence as the first cleaning component (2) rotates along the second rotation direction.

3. The cleaning head (100) of claim 1, wherein, The first fixed blade (411) is disposed in the radial direction of the second cleaning member (3), at least partially protruding outward from the moving blade (412).

4. The cleaning head (100) of claim 3, characterized in that The first fixed blade (411) protrudes outward from the second cleaning member (3) in the radial direction of the moving blade (412) by a dimension w, 0.1mm≤w≤5mm.

5. The cleaning head (100) of claim 1, wherein, The cutting structure (4) is movably disposed along the radial direction of the second cleaning member (3).

6. The cleaning head (100) of claim 1, wherein, Each of the blades (41) is serrated at its outer edge facing the first cleaning member (2).

7. The cleaning head (100) of claim 1, wherein, The blade (41) includes a plurality of blade segments spaced apart in the axial direction of the second cleaning member (3), each blade segment being detachably mounted to the second cleaning member (3).

8. The cleaning head (100) of claim 1, wherein, A first transmission mechanism (5) is provided between the second cleaning component (3) and the two blades (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 blades (41) moving relative to each other.

9. The cleaning head (100) of claim 8, characterized in that The second cleaning component (3) includes a base (32) and a cleaning part (31) installed on the periphery of the base (32). A blade (41) is fixedly installed 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 blade (41) is fixedly mounted on the slider (51) and is disposed at least partially protruding outward from the surface of the base (32).

10. The cleaning head (100) of claim 9, 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 slides in cooperation with the guide groove (51a). The second cleaning member (3) rotates so that the guide portion (61) drives the guide groove (51a) to move relative to the base (32), so that the two blades (41) generate a relative moving shearing stroke.

11. The cleaning head (100) of claim 10, 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).

12. The cleaning head (100) according to claim 10 or 11, characterized in that The first transmission mechanism (5) further includes: A mounting shaft (6) extends along the axial direction of the second cleaning component (3), one end of the mounting shaft (6) is fixedly connected to the housing (1), and a guide portion (61) extends outward from the side of the mounting shaft (6); and, The bearing (7) is sleeved on the periphery of the other end of the mounting shaft (6); The base (32) is connected to the periphery of the bearing (7) so that when the base (32) is able to rotate relative to the mounting shaft (6), the guide (61) and the guide groove (51a) drive the sliding member (51) to move relative to the base (32).

13. The cleaning head (100) of claim 1, wherein, The cleaning head (100) also includes a first drive motor (8) and a second transmission mechanism (9), wherein the second transmission mechanism (9) is connected to the first drive motor (8) and the second cleaning component (3) to drive the second cleaning component (3) to rotate.

14. The cleaning head (100) of claim 13, characterized in that The cleaning head (100) also includes a second drive motor (10) for driving the first cleaning component (2) to rotate. The first drive motor (8) and the second drive motor (10) are both located behind the first cleaning component (2) and are arranged sequentially along the axial direction of the second cleaning component (3).

15. A cleaning apparatus, characterized by Includes the cleaning head (100) as described in any one of claims 1 to 14.

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