Rolling brush assembly and cleaning equipment

Abstract

The embodiment of the invention provides a rolling brush assembly, which is used for cleaning equipment, and comprises a rolling brush which comprises a rolling brush shaft and a cleaning strip connected with the rolling brush shaft, the cleaning strip is provided with a cleaning edge distributed in the axial direction of the rolling brush shaft, and the distance between the cleaning edge and the rolling brush shaft is a first distance; the rolling brush cover is provided with a suction port right opposite to the rolling brush; the cutting piece is arranged on the edge of the inner side of the suction opening of the rolling brush cover in a protruding mode, the direction of the blade edge of the cutting piece is opposite to the rotating direction of the rolling brush, the distance between the blade edge of the cutting piece and the rolling brush shaft is a second distance, and the second distance is smaller than the first distance. The rolling brush assembly is simple in structure, low in manufacturing cost, easy to maintain and high in safety. The embodiment of the invention further provides cleaning equipment.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of cleaning equipment, and in particular to a roller brush assembly and a cleaning equipment. Background Art

[0002] Cleaning equipment usually has cleaning functions such as washing, sweeping, and mopping the floor. It can perform cleaning tasks such as washing the floor on behalf of users, bringing many conveniences to users, and thus is widely used.

[0003] Cleaning equipment usually uses a roller brush for cleaning. During the cleaning process, the roller brush is prone to entanglement with a large amount of hair, resulting in a decrease in the cleaning ability of the roller brush, and manual intervention is often required to clean the hair entangled on the roller brush. In particular, during the process of manual hair cleaning, there are situations where the hair in some local areas is difficult to clean, and special cleaning tools are required for cleaning, which is extremely inconvenient for manual cleaning.

[0004] The anti-entanglement design scheme of existing cleaning equipment still has the problems of complex structure, high manufacturing cost, difficult maintenance and great safety hazards. Summary of the invention

[0005] The main purpose of the embodiments of the present application is to provide a roller brush assembly and a cleaning device with a simple structure, low manufacturing cost, easy maintenance and high safety.

[0006] In a first aspect, an embodiment of the present application provides a roller brush assembly for a cleaning device, comprising:

[0007] A roller brush, comprising a roller brush shaft and a cleaning strip connected to the roller brush shaft, wherein the cleaning strip has a cleaning edge distributed in the axial direction of the roller brush shaft, and the distance between the cleaning edge and the roller brush shaft is a first distance;

[0008] A roller brush cover, wherein the roller brush cover is provided with a suction port facing the roller brush;

[0009] A cutting piece is protrudingly arranged on the inner edge of the suction port of the roller brush cover, the edge of the cutting piece is facing opposite to the rotation direction of the roller brush, and the distance between the edge of the cutting piece and the roller brush axis is a second distance, wherein the second distance is smaller than the first distance.

[0010] Furthermore, the roller brush cover is provided with a top guide rib and a bottom guide rib on the inner side of the suction port, the top guide rib is interfered with the cleaning strip of the roller brush, the bottom guide rib is arranged below the top guide rib, the direction of the gap formed by the bottom guide rib and the top guide rib is opposite to the rotation direction of the roller brush, the cutting piece is arranged on the bottom guide rib and is located in the gap formed by the top guide rib and the bottom guide rib, so as to cut the entanglement wrapped around the cleaning strip.

[0011] Furthermore, the number of the top guide ribs, the bottom guide ribs, and the cutting pieces is multiple, each of the top guide ribs, the bottom guide ribs, and the cutting pieces constitutes a group of cutting components, and multiple groups of the cutting components are arranged at intervals on the inner side of the suction port of the roller brush cover.

[0012] Furthermore, the blade edge of the cutting member is arranged at an obtuse angle with the bottom guide rib, and the top guide rib and the bottom guide rib both extend along a tangent direction of the roller brush shaft of the roller brush.

[0013] Furthermore, a gap is provided between the bottom guide rib and the roller brush shaft of the roller brush, and the width of the gap is 0.3 to 0.5 mm.

[0014] Furthermore, the top guide rib includes a connecting portion and a guiding portion, the guiding portion is connected to the end of the connecting portion, the guiding portion is V-shaped in the rotation direction of the roller brush shaft of the roller brush, and the bottom guide rib is located below the guiding portion of the top guide rib.

[0015] Furthermore, the roller brush cover includes a first transverse edge, a second transverse edge and a side edge, the first transverse edge and the second transverse edge are arranged opposite to each other and connected through the side edge to enclose the suction port, the top guide rib is arranged between the first transverse edge and the second transverse edge, one end of the connecting portion of the top guide rib is connected to the first transverse edge, one end of the guide portion of the top guide rib is connected to the second transverse edge, and the end of the bottom guide rib is connected to the second transverse edge.

[0016] Furthermore, the cutting piece is triangular in shape, and further includes a short side and a long side, wherein the short side and the long side are connected to the blade edge of the cutting piece in pairs, the long side is arranged on the bottom guide rib, and the short side is arranged on the second horizontal side.

[0017] Furthermore, the guide portion of the top guide rib and the second horizontal side form a triangular through hole, and the size of the through hole in any direction is less than or equal to 10 mm.

[0018] In a second aspect, the present application provides a cleaning device, comprising a roller brush assembly as described in any one of the above items.

[0019] In the roller brush assembly provided in the embodiment of the present application, the cutting piece is protrudingly arranged on the inner edge of the suction port of the roller brush cover, and the blade edge of the cutting piece is facing opposite to the rotation direction of the roller brush. When the roller brush drives the winding material to move, the blade edge of the cutting piece will cut the winding material so that it will be sucked away by the fan, thereby preventing the roller brush from being entangled and stuck by the winding material or the winding material from entering the gear box. In addition, the cleaning strip of the roller brush has a cleaning edge distributed in the axial direction of the roller brush shaft, and the distance between the cleaning edge and the roller brush shaft is a first distance, and the distance between the blade edge of the cutting piece and the roller brush shaft is a second distance, wherein the second distance is smaller than the first distance, thereby ensuring that the winding material wound on the roller brush can be cut. Compared with the existing anti-winding solutions, the roller brush assembly provided in the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of the bottom structure of a cleaning device provided in an embodiment of the present application;

[0022] Figure 2 Another schematic diagram of the bottom structure of the cleaning device provided in the embodiment of the present application;

[0023] Figure 3 A schematic diagram of the cross-sectional structure of a cleaning device provided in an embodiment of the present application;

[0024] Figure 4 A schematic diagram of the bottom structure of a roller brush cover of a roller brush assembly provided in Example 1 of the present application;

[0025] Figure 5 A schematic diagram of the bottom structure of a roller brush cover of a roller brush assembly provided in Example 2 of the present application;

[0026] Figure 6 for Figure 5 A schematic diagram of the three-dimensional structure of the roller brush cover;

[0027] Figure 7 for Figure 5 Schematic diagram of the cross-sectional structure of the roller brush cover.

[0028] Description of reference numerals:

[0029] Label name Label name 100 Roller brush assembly 10 Cleaning Equipment 101 Roller Brush 102 Roller brush cover 103 Cutting pieces 111 Roller brush shaft 112 Cleaning strip 121 Suction port 131 Blade Edge 122 Top guide rib 123 Bottom guide rib 124 Connection 125 Guide 126 First horizontal edge 127 Second horizontal edge 128 Side 132 Short side 133 Long side 129 Through Hole

[0030] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, the descriptions of "first", "second", etc. in the embodiments of the present application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0034] The present application provides a roller brush assembly and a cleaning device, which are described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0035] In the prior art, cleaning equipment usually uses a roller brush for cleaning. However, the roller brush is prone to entangle a large amount of hair during the cleaning process, resulting in a decrease in the cleaning ability of the roller brush. Too much hair entangled at both ends of the roller brush will trigger an alarm, and manual intervention is often required to clean the hair entangled on the roller brush. In particular, during the process of manual hair cleaning, there are situations where the hair in some local areas is difficult to clean, and special cleaning tools are required for cleaning, which is extremely inconvenient for manual cleaning.

[0036] It should be noted that the cleaning device provided in the embodiment of the present application may be a cleaning robot with cleaning functions such as washing, sweeping, and mopping the floor, etc. The cleaning device can automatically move on the surface to be cleaned to clean the surface to be cleaned. Of course, the cleaning device may also be a handheld floor scrubber with cleaning functions such as washing, sweeping, and mopping the floor, etc. The user uses the handheld cleaning device to push the cleaning device to move on the surface to be cleaned to clean the surface to be cleaned, which is not limited here. The following description takes the cleaning device as an example, which is only for the purpose of discussion and does not constitute a limitation. Among them, the surface to be cleaned may be the ground, or the surface to be cleaned of an object, etc.

[0037] Therefore, refer to Figures 1 to 3 The embodiment of the present application provides a roller brush assembly 100 for use in a cleaning device 10, wherein the roller brush assembly 100 includes a roller brush 101, a roller brush cover 102, and a cutting piece 103, wherein the roller brush 101 includes a roller brush shaft 111 and a cleaning strip 112 connected to the roller brush shaft 111, wherein the cleaning strip 112 has a cleaning edge distributed in the axial direction of the roller brush shaft 111, and the distance between the cleaning edge and the roller brush shaft 111 is a first distance. The roller brush cover 102 is provided with a suction port 121 facing the roller brush 101. The cutting piece 103 is protrudingly arranged on the inner edge of the suction port 121 of the roller brush cover 102, wherein the blade edge 131 of the cutting piece 103 faces opposite to the rotation direction of the roller brush 101, and the distance between the blade edge 131 of the cutting piece 103 and the roller brush shaft 111 is a second distance, wherein the second distance is smaller than the first distance.

[0038] Specifically, when the roller brush assembly 100 provided in the embodiment of the present application is working, the roller brush shaft 111 of the roller brush 101 will drive the cleaning strip 112 to rotate, so as to clean the surface to be cleaned. When there are entanglements such as hair on the surface to be cleaned, part of the entanglements will be sucked in through the suction port 121 of the roller brush cover 102 and entangled on the roller brush 101. Since the wind pressure of the fan is strongest in the middle of the roller brush 101 and gradually decays toward the two ends, and the V-shaped structure of the roller brush 101 will gather the garbage at the two ends to the middle, most of the entanglements such as hair will start to entangle in the middle. When the entanglements are entangled to a certain extent in the middle, they will move to the two ends. As more entanglements accumulate, the two ends of the roller brush 101 will be entangled and stuck, or even the gear box will fail. Since the cutting piece 103 is protrudingly arranged on the inner edge of the suction port 121 of the roller brush cover 102, the blade edge 131 of the cutting piece 103 faces the opposite direction of the rotation direction of the roller brush 101. When the roller brush 101 drives the winding material to move, the blade edge 131 of the cutting piece 103 will cut the winding material, and the cut winding material will be sucked into the dust box by the fan, thereby preventing the roller brush 101 from being entangled and stuck by the winding material or the winding material from entering the gear box. In addition, the cleaning strip 112 of the roller brush 101 has a cleaning edge distributed in the axial direction of the roller brush shaft 111, and the distance between the cleaning edge and the roller brush shaft 111 is a first distance, and the distance between the blade edge 131 of the cutting piece 103 and the roller brush shaft 111 is a second distance, wherein the second distance is less than the first distance, thereby ensuring that the winding material wound on the roller brush 101 can be cut. Compared with the existing anti-winding solution, the roller brush assembly provided in the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0039] It should be noted that the cleaning strip 12 provided in the embodiment of the present application can be at least one of a leather strip and a wool strip. The material of the roller brush cover 102 of the roller brush assembly 100 provided in the embodiment of the present application is preferably plastic and is made by injection molding. The cutting member 103 used in the roller brush assembly 100 in the embodiment of the present application is usually a blade, which is made of metal or plastic, and the cleaning strip 112 of the roller brush 101 is usually made of a flexible material, such as plastic.

[0040] Optionally, the cutting piece 103 used in the roller brush assembly 100 of the embodiment of the present application can be detachably installed in the gap formed by the bottom guide rib 123 and the top guide rib 122, so that the user can remove the cutting piece 103 for cleaning, or replace it with a new cutting piece 103.

[0041] Further, refer to Figures 3 to 7In some embodiments of the present application, the roller brush cover 102 is provided with a top guide rib 122 and a bottom guide rib 123 on the inner side of the suction port 121, the top guide rib 122 forms an interference setting with the cleaning strip 112 of the roller brush 101, the bottom guide rib 123 is arranged below the top guide rib 122, the direction of the gap formed by the bottom guide rib 123 and the top guide rib 122 is opposite to the rotation direction of the roller brush 101, the cutting piece 103 is arranged on the bottom guide rib 123, and is located in the gap formed by the top guide rib 122 and the bottom guide rib 123, so as to cut the winding material wrapped around the cleaning strip 112.

[0042] Specifically, Figure 1 and Figure 2 As shown, when the roller brush shaft 111 of the roller brush 101 drives the cleaning strip 112 to rotate, it will also drive the entangled material to rotate, and the cleaning strip 103 of the roller brush 101 will move toward the bottom guide rib 123, and the cleaning strip 103 of the roller brush 101 will be blocked by the top guide rib 122 and the bottom guide rib 123. Since the direction of the gap formed by the bottom guide rib 123 and the top guide rib 122 is opposite to the rotation direction of the roller brush 101, the cutting piece 103 is arranged on the bottom guide rib 123 and is located in the gap formed by the top guide rib 122 and the bottom guide rib 123. The entangled materials such as hair entangled on the roller brush 101 will be cut off by the cutting piece 103 and then sucked away by the fan, thereby preventing the roller brush 101 from being entangled and stuck by the entangled materials or the entangled materials from entering the gear box. At the same time, due to the obstruction of the bottom guide rib 123, the cleaning strip 112 on the roller brush 101 will not enter the gap formed by the top guide rib 122 and the bottom guide rib 123, thereby preventing the cleaning strip 112 from being cut off, thereby not affecting the cleaning effect of the roller brush 101. The roller brush assembly provided by the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0043] In addition, refer to Figures 1 to 7 In some embodiments of the present application, the number of the top guide rib 122, the bottom guide rib 123, and the cutting piece 103 is multiple, and each top guide rib 122, the bottom guide rib 123, and the cutting piece 103 form a group of cutting components, and multiple groups of cutting components are arranged at intervals on the inner side of the roller brush cover 102 at the suction port. Figures 1 to 7 As shown, in the roller brush assembly 100 provided in the embodiment of the present application, the number of the top guide rib 122, the bottom guide rib 123 and the cutting piece 103 are all two, and each top guide rib 122, the bottom guide rib 123 and the cutting piece 103 constitute a group of cutting components, and the two groups of cutting components are respectively arranged on both sides of the center line of the roller brush cover 102.

[0044] Therefore, when the roller brush assembly 100 provided in the embodiment of the present application is working, the roller brush shaft 111 of the roller brush 101 will drive the cleaning strip 112 to rotate, so as to clean the surface to be cleaned. When there are entanglements such as hair on the surface to be cleaned, part of the entanglements will be sucked in through the suction port 121 of the roller brush cover 102 and entangled on the roller brush 101. Since the wind pressure of the fan is strongest in the middle of the roller brush 101 and gradually decays toward the two ends, and the V-shaped structure of the roller brush 101 will gather the garbage at the two ends to the middle, most of the entanglements such as hair will start to entangle in the middle. When the entanglements are entangled to a certain extent in the middle, they will move to the two ends. As more entanglements accumulate, the two ends of the roller brush 101 will be entangled and stuck, or even the gear box will fail. Since cutting components are provided at both ends of the roller brush cover 102, the cutting piece 103 is protrudingly arranged on the inner edge of the suction port 121 of the roller brush cover 102, and the blade edge 131 of the cutting piece 103 faces the opposite direction of the rotation direction of the roller brush 101. When the roller brush 101 drives the winding material to move, the blade edge 131 of the cutting piece 103 will cut the winding material wound at both ends, and the cut winding material will be sucked into the dust box by the fan, thereby preventing the roller brush 101 from being entangled and stuck by the winding material or the winding material from entering the gear box. In addition, the cleaning strip 112 of the roller brush 101 has a cleaning edge distributed in the axial direction of the roller brush shaft 111, and the distance between the cleaning edge and the roller brush shaft 111 is a first distance, and the distance between the blade edge 131 of the cutting piece 103 and the roller brush shaft 111 is a second distance, wherein the second distance is less than the first distance, thereby ensuring that the winding material wound on the roller brush 101 can be cut. Compared with existing anti-winding solutions, the roller brush assembly provided in the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0045] Of course, in some embodiments of the present application, the number of top guide ribs 122, bottom guide ribs 123, and cutting pieces 103 can be three or more, that is, the number of cutting components can be three or more groups, and multiple groups of cutting components form a comb-like structure, so that hair and other entanglements wrapped around the roller brush 101 can be combed and cut, thereby ensuring that the entanglements wrapped around the roller brush 101 can be cut, and the roller brush 101 can rotate smoothly to clean the surface to be cleaned.

[0046] In addition, in order to strengthen the strength of the bottom guide rib 123, the roller brush assembly 100 provided in the embodiment of the present application also includes a reinforcing rib, which is arranged below or inside the bottom guide rib 123, thereby ensuring that the base guide rib 123 can be firmly made into a cutting piece 103, thereby ensuring that the entangled object can be cut off by the cutting piece 103.

[0047] Further, refer to Figure 3 and Figure 7In some embodiments of the present application, the blade edge 131 of the cutting member 103 is set at an obtuse angle to the bottom guide rib 123, so as to increase the cutting stroke of the blade edge 131, ensure that entanglements such as hair can be cut off and will not be stuck between the blade edge 131 and the bottom guide rib 123, thereby preventing the roller brush 101 from being entangled and stuck by the entanglements or the entanglements from entering the gear box.

[0048] Therefore, when the roller brush assembly 100 provided in the embodiment of the present application is working, the roller brush shaft 111 of the roller brush 101 will drive the cleaning strip 112 to rotate, so as to clean the surface to be cleaned. When there are entanglements such as hair on the surface to be cleaned, part of the entanglements will be sucked in through the suction port 121 of the roller brush cover 102 and entangled on the roller brush 101. Since the wind pressure of the fan is strongest in the middle of the roller brush 101 and gradually decays toward the two ends, and the V-shaped structure of the roller brush 101 will gather the garbage at the two ends to the middle, most of the entanglements such as hair will start to entangle in the middle. When the entanglements are entangled to a certain extent in the middle, they will move to the two ends. As more entanglements accumulate, the two ends of the roller brush 101 will be entangled and stuck, or even the gear box will fail. Since the cutting member 103 is protrudingly arranged on the inner edge of the suction port 121 of the roller brush cover 102, the blade edge 131 of the cutting member 103 faces the opposite direction of the rotation direction of the roller brush 101, and the blade edge 131 of the cutting member 103 is arranged at an obtuse angle with the bottom guide rib 123, when the roller brush 101 drives the winding to move, the cutting stroke of the blade edge 131 of the cutting member 103 is long enough to ensure that the winding will be cut, and the cut winding will be sucked into the dust box by the fan, thereby preventing the roller brush 101 from being stuck by the winding or the winding entering the gear box. In addition, the cleaning strip 112 of the roller brush 101 has a cleaning edge distributed in the axial direction of the roller brush shaft 111, and the distance between the cleaning edge and the roller brush shaft 111 is a first distance, and the distance between the blade edge 131 of the cutting member 103 and the roller brush shaft 111 is a second distance, wherein the second distance is less than the first distance, thereby ensuring that the winding wound on the roller brush 101 can be cut. Compared with existing anti-winding solutions, the roller brush assembly provided in the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0049] Further, refer again to Figure 3 and Figure 7In some embodiments of the present application, the top guide rib 122 and the bottom guide rib 123 both extend along the tangent direction of the roller brush shaft 111 of the roller brush 101. Therefore, when the roller brush shaft 111 of the roller brush 101 drives the cleaning strip 112 to rotate, the cleaning strip 112 will not be affected by the resistance of the top guide rib 122 and the bottom guide rib 123, thereby ensuring the stable operation of the roller brush 101. At the same time, the hair and other entanglements on the roller brush shaft 111 and the cleaning strip 112 of the roller brush 101 can smoothly enter the gap between the top guide rib 122 and the bottom guide rib 123 and be cut off by the cutting member 103, thereby further preventing the roller brush 101 from being entangled and stuck by the entanglements or the entanglements from entering the gear box.

[0050] Therefore, when the roller brush assembly 100 provided in the embodiment of the present application is working, the roller brush shaft 111 of the roller brush 101 will drive the cleaning strip 112 to rotate, so as to clean the surface to be cleaned. When there are entanglements such as hair on the surface to be cleaned, part of the entanglements will be sucked in through the suction port 121 of the roller brush cover 102 and entangled on the roller brush 101. Since the wind pressure of the fan is strongest in the middle of the roller brush 101 and gradually decays toward the two ends, and the V-shaped structure of the roller brush 101 will gather the garbage at the two ends to the middle, most of the entanglements such as hair will start to entangle in the middle. When the entanglements are entangled to a certain extent in the middle, they will move to the two ends. As more entanglements accumulate, the two ends of the roller brush 101 will be entangled and stuck, or even the gear box will fail. Since the cutting piece 103 is protrudingly arranged on the inner edge of the suction port 121 of the roller brush cover 102, the blade edge 131 of the cutting piece 103 is facing opposite to the rotation direction of the roller brush 101, the blade edge 131 of the cutting piece 103 is arranged at an obtuse angle to the bottom guide rib 123, and the top guide rib 122 and the bottom guide rib 123 both extend along the tangent direction of the roller brush shaft 111 of the roller brush 101. Therefore, when the roller brush shaft 111 of the roller brush 101 drives the cleaning strip 112 to rotate, the cleaning strip 112 will not be affected by the resistance of the top guide rib 122 and the bottom guide rib 123, thereby ensuring the stable operation of the roller brush 101; when the roller brush 101 drives the winding material to move, the winding materials such as hair wound on the roller brush shaft 111 and the cleaning strip 112 of the roller brush 101 can smoothly enter the gap between the top guide rib 122 and the bottom guide rib 123, and the blade edge 131 of the cutting piece 103 will cut the wound winding materials, and the cut winding materials will be sucked into the dust box by the fan, thereby preventing the roller brush 101 from being entangled and stuck by the winding materials or the winding materials from entering the gear box. Furthermore, the cleaning strip 112 of the roller brush 101 has a cleaning edge distributed in the axial direction of the roller brush shaft 111, the cleaning edge is at a first distance from the roller brush shaft 111, and the blade edge 131 of the cutting member 103 is at a second distance from the roller brush shaft 111, wherein the second distance is smaller than the first distance, thereby ensuring that the windings wound around the roller brush 101 can be cut. Compared with the existing anti-winding solutions, the roller brush assembly provided by the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0051] Further, refer to Figure 3 In some embodiments of the present application, a gap is provided between the bottom guide rib 123 and the roller brush shaft 111 of the roller brush 101, and the width of the gap is 0.3 to 0.5 mm. Therefore, the roller brush assembly 100 provided in the embodiment of the present application can ensure that hair and other entangled objects can smoothly enter the gap between the top guide rib 122 and the bottom guide rib 123 through the above arrangement, and be cut off by the cutting member 103, while preventing the cleaning strip 112 from rubbing against the bottom guide rib 123 when rotating, thereby generating abnormal noise.

[0052] Specifically, when the roller brush assembly 100 provided in the embodiment of the present application is working, the roller brush shaft 111 of the roller brush 101 will drive the cleaning strip 112 to rotate, so as to clean the surface to be cleaned. When there are entanglements such as hair on the surface to be cleaned, part of the entanglements will be sucked in through the suction port 121 of the roller brush cover 102 and entangled on the roller brush 101. Since the wind pressure of the fan is strongest in the middle of the roller brush 101 and gradually decays toward the two ends, and the V-shaped structure of the roller brush 101 will gather the garbage at the two ends to the middle, most of the entanglements such as hair will start to entangle in the middle. When the entanglements are entangled to a certain extent in the middle, they will move to the two ends. As more entanglements accumulate, the two ends of the roller brush 101 will be entangled and stuck, or even the gear box will fail. Since the cutting piece 103 is protrudingly arranged on the inner edge of the suction port 121 of the roller brush cover 102, the blade edge 131 of the cutting piece 103 faces the opposite direction of the rotation of the roller brush 101. When the roller brush 101 drives the winding material to move, the blade edge 131 of the cutting piece 103 will cut the winding material, and the cut winding material will be sucked into the dust box by the fan, thereby preventing the roller brush 101 from being entangled and stuck by the winding material or the winding material from entering the gear box. In addition, a gap is provided between the bottom guide rib 123 and the roller brush shaft 111 of the roller brush 101, and the width of the gap is 0.3 to 0.5 mm. The gap is not too wide to prevent the hair entangled on the roller brush shaft 111 and the cleaning strip 112 of the roller brush 101 from entering the gap between the top guide rib 122 and the bottom guide rib 123. At the same time, the gap is not so narrow as to produce abnormal noise, thereby causing noise pollution and affecting the user's experience. Compared with existing anti-winding solutions, the roller brush assembly provided in the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0053] Further, refer to Figure 4 , Figure 4 Schematic diagram of the bottom structure of the roller brush cover of the roller brush assembly provided in Example 1 of the present application. In some embodiments of the present application, the top guide rib 122 includes a connecting portion 124 and a guide portion 125. The guide portion 125 is connected to the end of the connecting portion 124. The guide portion 125 is V-shaped in the rotation direction of the roller brush shaft 111 of the roller brush 101, and the bottom guide rib 123 is located below the guide portion 125 of the top guide rib 122.

[0054] Specifically, the connecting portion 124 of the top guide rib 122 forms an interference setting with the cleaning strip 112 on the roller brush 101. When the roller brush shaft 111 of the roller brush 101 drives the cleaning strip 112 to rotate, the cleaning strip 112 in contact with the connecting portion 124 will rotate along the connecting portion 124, and the guide portion 125 is V-shaped in the rotation direction of the roller brush shaft 111 of the roller brush 101, which can ensure that the cleaning strip 112 rotates smoothly without being affected by the resistance of the guide portion 125. The bottom guide rib 123 is located below the guide portion 125 of the top guide rib 122. The guide portion 125 can block the cutting piece 103 set on the bottom guide rib 123, thereby preventing the user's fingers from being cut by the cutting piece 103.

[0055] Therefore, when the roller brush assembly 100 provided in the embodiment of the present application is working, the roller brush shaft 111 of the roller brush 101 will drive the cleaning strip 112 to rotate, thereby cleaning the surface to be cleaned. When there are entanglements such as hair on the surface to be cleaned, part of the entanglements will be sucked in through the suction port 121 of the roller brush cover 102 and entangled on the roller brush 101. Since the wind pressure of the fan is strongest in the middle of the roller brush 101 and gradually decays toward both ends, and the V-shaped structure of the roller brush 101 will gather the garbage at both ends to the middle, most of the entanglements such as hair will begin to entangle in the middle. When the entanglements are entangled to a certain extent in the middle, they will move to both ends. As more entanglements accumulate, the two ends of the roller brush 101 will be entangled and stuck, or even the gear box will fail. Since the cutting piece 103 is protrudingly arranged on the inner edge of the suction port 121 of the roller brush cover 102, the blade edge 131 of the cutting piece 103 faces the opposite direction of the rotation direction of the roller brush 101. Therefore, when the roller brush shaft 111 of the roller brush 101 rotates, the cleaning strip 112 in contact with the connecting portion 124 will rotate along the connecting portion 124, and the guide portion 125 is V-shaped in the rotation direction of the roller brush shaft 111 of the roller brush 101, and the cleaning strip 112 will not be affected by the resistance of the guide portion 125, thereby ensuring the stable operation of the roller brush 101. When the roller brush 101 drives the winding object to move, the winding objects such as hair wound on the roller brush shaft 111 and the cleaning strip 112 of the roller brush 101 can smoothly enter the gap between the top guide rib 122 and the bottom guide rib 123, and the blade edge 131 of the cutting member 103 will cut the wound winding objects, and the cut winding objects will be sucked into the dust box by the fan, thereby preventing the roller brush 101 from being entangled and stuck by the winding objects or the winding objects from entering the gear box. Compared with the existing anti-entanglement solutions, the roller brush assembly provided by the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0056] It should be noted that Figure 4 The left guide portion 125 shown is triangular, which is a preferred solution of the embodiment of the present application. Figure 4 Right side or Figure 5 , Figure 6The trapezoidal guide portion 125 and the triangular guide portion 125 have less resistance to the cleaning strip 112 of the roller brush 101, thereby ensuring the stable operation of the roller brush 101. When the roller brush 101 drives the winding objects to move, the winding objects such as hair wound on the roller brush shaft 111 and the cleaning strip 112 of the roller brush 101 can smoothly enter the gap between the top guide rib 122 and the bottom guide rib 123. The blade 131 of the cutting piece 103 will cut the winding objects, and the cut winding objects will be sucked into the dust box by the fan, thereby preventing the roller brush 101 from being entangled and stuck by the winding objects or the winding objects from entering the gear box. Compared with the existing anti-entanglement solutions, the roller brush assembly provided in the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0057] Further, refer to Figures 4 to 6 In some embodiments of the present application, the roller brush cover 102 includes a first transverse edge 126, a second transverse edge 127 and a side edge 128. The first transverse edge 126 and the second transverse edge 127 are arranged opposite to each other and are connected by the side edge 128 to enclose a suction port 121. The top guide rib 122 is arranged between the first transverse edge 126 and the second transverse edge 127. One end of the connecting portion 124 of the top guide rib 122 is connected to the first transverse edge 126, one end of the guide portion 125 of the top guide rib 122 is connected to the second transverse edge 127, and the end of the bottom guide rib 123 is connected to the second transverse edge 127.

[0058] Specifically, the suction port 121 of the roller brush cover 102 is formed by enclosing the first transverse side 126, the second transverse side 127 and the side 128, the top guide rib 122 is arranged between the first transverse side 126 and the second transverse side 127, one end of the connecting portion 124 of the top guide rib 122 is connected to the first transverse side 126, one end of the guide portion 125 of the top guide rib 122 is connected to the second transverse side 127, and the end of the bottom guide rib 123 is connected to the second transverse side 127. Compared with the existing solutions, the roller brush assembly provided by the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0059] Further, refer to Figure 3 and Figure 7 In some embodiments of the present application, the cutting piece 103 is triangular in shape, and the cutting piece 103 also includes a short side 132 and a long side 133. The short side 132 and the long side 133 are connected to the blade edge 131 of the cutting piece 103 in pairs, the long side 133 is arranged on the bottom guide rib 123, and the short side 132 is arranged on the second horizontal side 127.

[0060] Specifically, the long side 133 of the cutting piece 103 is embedded in the bottom guide rib 123, and the short side 132 is embedded in the second horizontal side 127 of the roller brush cover 102. On the one hand, it can ensure that the cutting piece 103 is firmly set on the bottom guide rib 123, and on the other hand, it can ensure the cutting stroke of the blade edge 131, ensuring that entanglements such as hair can be cut off and will not be stuck between the blade edge 131 and the bottom guide rib 123, thereby preventing the roller brush 101 from being entangled and stuck by the entanglements or the entanglements from entering the gear box.

[0061] Further, refer to Figure 4 In some embodiments of the present application, the guide portion 125 of the top guide rib 123 and the second horizontal side 127 form a triangular through hole 129, and the size of the through hole 129 in any direction is less than or equal to 10 mm.

[0062] Specifically, since the cutting piece 103 is usually sharp, the user's fingers may be cut by the cutting piece 103 when using it. The cutting piece 103 is arranged below the guide portion 125, and the guide portion 125 of the top guide rib 123 and the second horizontal side 127 form a triangular through hole 129. The size of the through hole 129 in any direction is less than or equal to 10 mm, thereby ensuring that the user's fingers will not pass through the through hole 129, thereby preventing the user's fingers from being cut by the cutting piece 103. That is, the roller brush assembly 100 provided in the embodiment of the present application can further improve the safety of use through the above-mentioned arrangement.

[0063] It should be noted that Figure 4 The through hole 129 on the left side is triangular, which is the preferred solution of the embodiment of the present application. Compared with the trapezoidal through hole 129 on the right side, the guide part 125 on the left side has less resistance to the cleaning strip 112 of the roller brush 101, thereby ensuring the stable operation of the roller brush 101. When the roller brush 101 drives the winding object to move, the winding objects such as hair wound on the roller brush shaft 111 and the cleaning strip 112 of the roller brush 101 can smoothly enter the gap between the top guide rib 122 and the bottom guide rib 123. The blade 131 of the cutting member 103 will cut the winding objects, and the cut winding objects will be sucked into the dust box by the fan, thereby preventing the roller brush 101 from being entangled and stuck by the winding objects or the winding objects from entering the gear box. Compared with the existing anti-entanglement solutions, the roller brush assembly provided in the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0064] In addition, the roller brush assembly 100 provided in the embodiment of the present application also includes a shielding member, which is arranged in the through hole 129 to shield the cutting member 103, thereby ensuring that the user's fingers will not pass through the through hole 129, thereby preventing the user's fingers from being cut by the cutting member 103. That is, the roller brush assembly 100 provided in the embodiment of the present application can further improve the safety of use through the above-mentioned arrangement. At the same time, when cleaning the surface to be cleaned, due to the obstruction of the shielding member, the carpet on the surface to be cleaned will not enter the gap between the top guide rib 122 and the bottom guide rib 123, thereby avoiding being cut. The shielding member can be made of nylon mesh or the like, and the nylon mesh can be arranged in the through hole 129 by the blade through beer sleeve molding or secondary molding.

[0065] Reference Figures 1 to 3 The embodiment of the present application provides a cleaning device 10, including the roller brush assembly 100 as described above. The specific structure of the roller brush assembly 100 refers to the above embodiment. Since the roller brush assembly 100 adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here one by one.

[0066] like Figures 1 to 7 As shown, an embodiment of the present application provides a roller brush assembly 100 for use in a cleaning device 10, the roller brush assembly 100 comprising a roller brush 101, a roller brush cover 102 and a cutting piece 103, wherein the roller brush 101 comprises a roller brush shaft 111 and a cleaning strip 112 connected to the roller brush shaft 111, the cleaning strip 112 having a cleaning edge distributed in the axial direction of the roller brush shaft 111, and the distance between the cleaning edge and the roller brush shaft 111 is a first distance. The roller brush cover 102 is provided with a suction port 121 facing the roller brush 101. The cutting piece 103 is protrudingly arranged on the inner edge of the suction port 121 of the roller brush cover 102, the blade edge 131 of the cutting piece 103 faces in the opposite direction of the rotation direction of the roller brush 101, and the distance between the blade edge 131 of the cutting piece 103 and the roller brush shaft 111 is a second distance, wherein the second distance is smaller than the first distance.

[0067] Specifically, when the roller brush assembly 100 is working, the roller brush shaft 111 of the roller brush 101 will drive the cleaning strip 112 to rotate, thereby cleaning the surface to be cleaned. When there are entangled objects such as hair on the surface to be cleaned, part of the entangled objects will be sucked in through the suction port 121 of the roller brush cover 102 and entangled on the roller brush 101. Since the wind pressure of the fan is strongest in the middle of the roller brush 101 and gradually decays toward the two ends, and the V-shaped structure of the roller brush 101 will gather the garbage at the two ends to the middle, most of the entangled objects such as hair will start to entangle in the middle. When the entangled objects are entangled to a certain extent in the middle, they will move to the two ends. As more entangled objects accumulate, the two ends of the roller brush 101 will be entangled and stuck, or even the gear box will fail. Since the cutting piece 103 is protrudingly arranged on the inner edge of the suction port 121 of the roller brush cover 102, the blade edge 131 of the cutting piece 103 faces the opposite direction of the rotation direction of the roller brush 101. When the roller brush 101 drives the winding material to move, the blade edge 131 of the cutting piece 103 will cut the winding material, so that it is sucked away by the fan, thereby preventing the roller brush 101 from being entangled and stuck by the winding material or the winding material from entering the gear box. In addition, the cleaning strip 112 of the roller brush 101 has a cleaning edge distributed in the axial direction of the roller brush shaft 111, and the distance between the cleaning edge and the roller brush shaft 111 is a first distance, and the distance between the blade edge 131 of the cutting piece 103 and the roller brush shaft 111 is a second distance, wherein the second distance is less than the first distance, thereby ensuring that the winding material wound on the roller brush 101 can be cut. Compared with the existing anti-winding solution, the roller brush assembly provided in the embodiment of the present application has a simple structure, low manufacturing cost, easy maintenance and high safety.

[0068] It should be noted that the cleaning device provided in the embodiment of the present application may be a cleaning robot with cleaning functions such as floor washing, sweeping, and mopping, etc. The cleaning device can automatically move on the surface to be cleaned to clean the surface to be cleaned. Of course, the cleaning device may also be a handheld floor scrubber with cleaning functions such as floor washing, sweeping, and mopping, etc. The user uses the handheld cleaning device to push the cleaning device to move on the surface to be cleaned to clean the surface to be cleaned, which is not limited here.

[0069] It should be understood that the specific examples in the embodiments of the present application are only to help those skilled in the art to better understand the embodiments of the present application, rather than to limit the scope of the embodiments of the present application. Those skilled in the art can make various improvements and modifications based on the above embodiments, and these improvements or modifications all fall within the scope of protection of the present application.

[0070] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A roller brush assembly for cleaning equipment, characterized in that: include: A roller brush, comprising a roller brush shaft and a cleaning strip connected to the roller brush shaft, wherein the cleaning strip has a cleaning edge distributed in the axial direction of the roller brush shaft, and the distance between the cleaning edge and the roller brush shaft is a first distance; A roller brush cover, wherein the roller brush cover is provided with a suction port facing the roller brush; A cutting piece is protrudingly arranged on the inner edge of the suction port of the roller brush cover, the edge of the cutting piece is facing opposite to the rotation direction of the roller brush, and the distance between the edge of the cutting piece and the roller brush axis is a second distance, wherein the second distance is smaller than the first distance.

2. The roller brush assembly according to claim 1, characterized in that: The roller brush cover is provided with a top guide rib and a bottom guide rib on the inner side of the suction port, the top guide rib is interfered with the cleaning strip of the roller brush, the bottom guide rib is arranged below the top guide rib, the direction of the gap formed by the bottom guide rib and the top guide rib is opposite to the rotation direction of the roller brush, the cutting piece is arranged on the bottom guide rib and is located in the gap formed by the top guide rib and the bottom guide rib, so as to cut the winding material wound on the cleaning strip.

3. The roller brush assembly according to claim 2, characterized in that: The number of the top guide rib, the bottom guide rib and the cutting piece is multiple, each of the top guide rib, the bottom guide rib and the cutting piece constitutes a group of cutting components, and multiple groups of cutting components are arranged at intervals on the inner side of the suction port of the roller brush cover.

4. The roller brush assembly according to claim 3, characterized in that: The blade edge of the cutting piece is arranged at an obtuse angle with the bottom guide rib, and the top guide rib and the bottom guide rib both extend along the tangent direction of the roller brush shaft of the roller brush.

5. The roller brush assembly according to claim 4, characterized in that: A gap is arranged between the bottom guide rib and the roller brush shaft of the roller brush, and the width of the gap is 0.3 to 0.5 mm.

6. The roller brush assembly according to claim 2, characterized in that: The top guide rib includes a connecting portion and a guiding portion, wherein the guiding portion is connected to the end of the connecting portion, and the guiding portion is V-shaped in the rotation direction of the roller brush shaft of the roller brush, and the bottom guide rib is located below the guiding portion of the top guide rib.

7. The roller brush assembly according to claim 2, characterized in that: The roller brush cover includes a first transverse side, a second transverse side and a side side, the first transverse side and the second transverse side are arranged opposite to each other and connected through the side side to enclose the suction port, the top guide rib is arranged between the first transverse side and the second transverse side, one end of the connecting part of the top guide rib is connected to the first transverse side, one end of the guiding part of the top guide rib is connected to the second transverse side, and the end of the bottom guide rib is connected to the second transverse side.

8. The roller brush assembly according to claim 7, characterized in that: The cutting piece is triangular in shape and further includes a short side and a long side. The short side and the long side are connected to the blade edge of the cutting piece in pairs. The long side is arranged on the bottom guide rib, and the short side is arranged on the second horizontal side.

9. The roller brush assembly according to claim 8, characterized in that: The guide portion of the top guide rib and the second horizontal side form a triangular through hole, and the size of the through hole in any direction is less than or equal to 10 mm.

10. A cleaning device, characterized in that: The invention comprises a roller brush assembly as claimed in any one of claims 1 to 9.

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