Rotating Brush Device and Cleaning Equipment

Abstract

This application relates to a rolling brush device and a cleaning device. The rolling brush device includes: a housing having an opening; a rolling brush assembly installed in the housing, including a rolling brush and a rotating shaft. One end of the rolling brush is locked to the rotating shaft, and the other end of the rolling brush is suspended in the housing, and the rotating shaft can release the locking of the rolling brush; the rolling brush can swing relative to the rotating shaft in a direction close to the opening after being released from the locking of the rotating shaft, and can move relative to the rotating shaft to be withdrawn from the opening. Compared with the assembly method of fixing both ends of the rolling brush to the housing, the installation of the rolling brush and the housing in this application is more flexible, effectively improving the convenience of disassembling and installing the rolling brush and facilitating the use of the user.

Description

Technical Field

[0001] The present application relates to the technical field of cleaning devices, and particularly to a roller brush device and a cleaning equipment. Background Art

[0002] A dust mite cleaner belongs to a surface cleaning appliance, and its working principle is to slap the surface of the object to be cleaned through a roller brush to peel off the dirt attached to the surface of the object to be cleaned, and then a suction force is generated by a vacuum device to suck the dirt into a dust cup for centralized collection, so as to achieve the cleaning and decontamination of the surface of the object to be cleaned.

[0003] In the related art, most of the roller brushes on the dust mite cleaner are fixed to the side walls of the housing at both ends. When the roller brush needs to be removed for cleaning or replacement, usually both fixed ends of the roller brush need to be disassembled and assembled together. The disassembly and assembly process of the roller brush is cumbersome and inconvenient, affecting the user experience. Summary of the Invention

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. For this reason, the present application provides a roller brush device and a cleaning equipment, which improve the convenience of disassembling and installing the roller brush and facilitate the use of users.

[0005] In a first aspect, the present application provides a roller brush device, including:

[0006] A housing having an opening;

[0007] A roller brush assembly installed in the housing, including a roller brush and a rotating shaft. One end of the roller brush is locked to the rotating shaft, the other end of the roller brush is suspended in the housing, and the rotating shaft can release the lock on the roller brush;

[0008] After the roller brush is released from the lock of the rotating shaft, it can swing relative to the rotating shaft in a direction close to the opening and can move relative to the rotating shaft to be withdrawn from the opening.

[0009] In some embodiments, the rotating shaft includes a locking section and a guiding section extending along the axial direction. The outer diameter of the guiding section decreases in a direction close to the roller brush. The roller brush is sleeved on the rotating shaft and is detachably connected to the locking section, and after the roller brush is separated from the locking section, it can slide along the guiding section.

[0010] In some embodiments, both the length of the locking section and the length of the guiding section are less than half of the length of the roller brush.

[0011] In some embodiments, the housing is provided with an avoidance space for the rolling brush to move relative to the rotating shaft, the axial length of the avoidance space is greater than the length of the locking section, and the axial length of the avoidance space is less than the sum of the length of the locking section and the length of the guiding section.

[0012] In some embodiments, an installation portion extends along the axial direction of the rotating shaft on the inner wall of the housing, and one end of the rolling brush close to the rotating shaft is sleeved on the installation portion; or an installation section extends along the axial direction at one end of the rotating shaft close to the inner wall of the housing, and one end of the rolling brush close to the rotating shaft is sleeved on the installation section.

[0013] In some embodiments, the rotating shaft includes a connected locking section and a ball head section, the rolling brush is sleeved on the rotating shaft and detachably connected to the locking section, the rolling brush is also movably connected to the ball head section, and after the rolling brush disengages from the locking section, it can rotate along the ball head section and disengage from the ball head section.

[0014] In some embodiments, the ball head section is provided with a first limiting portion for limiting the rolling brush in the width direction of the housing.

[0015] In some embodiments, a sleeve is slidably inserted into the rolling brush, and the rolling brush is rotationally matched with the ball head section through the sleeve.

[0016] In some embodiments, the rotating shaft further includes a stepped section provided between the locking section and the ball head section, and one end of the sleeve close to the rotating shaft abuts against the stepped section.

[0017] In some embodiments, the sleeve is provided with a plurality of elastic arms in the circumferential direction, and all the elastic arms are configured to be squeezed by the inner wall of the rolling brush when the sleeve slides into the rolling brush, so as to gather radially along the sleeve, and when the sleeve is inside the rolling brush, all the elastic arms are disengaged from the extrusion of the rolling brush and are clamped on the inner wall of the rolling brush.

[0018] In a second aspect, an embodiment of the present application provides a cleaning device, including:

[0019] The rolling brush device as described above, the housing has a receiving cavity communicating with the opening, and there are two rolling brush assemblies symmetrically distributed relative to the middle of the receiving cavity;

[0020] A rotation driving member configured to drive the rotating shafts of the two rolling brush assemblies to rotate relative to the receiving cavity.

[0021] In the above-mentioned roller brush device and cleaning equipment, by locking one end of the roller brush to the rotating shaft and suspending the other end in the housing, when the user needs to disassemble the roller brush, the user can first release the locking of the rotating shaft on the roller brush, and then lift one end of the roller brush suspended in the housing, so that the roller brush swings relative to the rotating shaft in the direction close to the opening. When the suspended end of the roller brush swings from the inside of the housing to the outside of the opening, the roller brush tilts at a certain angle relative to the rotating shaft. At this time, the user can pull out the roller brush obliquely, thus realizing the disassembly of the roller brush.

[0022] When the user needs to install the roller brush, the user can first tilt the roller brush at a certain angle relative to the rotating shaft, and then swing the suspended end of the roller brush relative to the rotating shaft in the direction close to the opening, so as to enter the housing through the opening and be in a horizontal state. At this time, the user can move the roller brush axially close to the rotating shaft, so as to lock and fix the roller brush on the rotating shaft, thus realizing the installation of the roller brush.

[0023] Compared with the assembly method of fixing both ends of the roller brush to the housing, the installation of the roller brush and the housing in the roller brush device of the present application is more flexible, effectively improving the convenience of disassembling and installing the roller brush and facilitating the use of the user.

[0024] The above description is only an overview of the technical solution of the present application. In order to be able to understand the technical means of the present application more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of the present application more obvious and understandable, the following specifically illustrates the specific embodiments of the present application. Brief Description of the Drawings

[0025] By reading the following detailed description of the preferred embodiments, various other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the preferred embodiments and are not considered to be a limitation of the present application. And in all the drawings, the same reference numerals are used to represent the same components. In the drawings:

[0026] Figure 1 is a schematic structural diagram of the roller brush device according to an embodiment of the present application.

[0027] Figure 2 is a partial schematic structural diagram of the roller brush device according to an embodiment of the present application.

[0028] Figure 3 is an exploded structural diagram of the rotating shaft and the roller brush according to an embodiment of the present application.

[0029] Figure 4 is a schematic structural diagram of the roller brush in a disassembled state according to an embodiment of the present application Figure 1 。

[0030] Figure 5 is a schematic structural diagram of the roller brush in a disassembled state according to an embodiment of the present applicationFigure 2 。

[0031] Figure 6 Another structural schematic diagram of the roller brush device according to an embodiment of the present application.

[0032] Figure 7 Another partial structural schematic diagram of the roller brush device according to an embodiment of the present application.

[0033] Figure 8 Exploded view of the structure of the rotating shaft according to an embodiment of the present application.

[0034] Figure 9 Another structural schematic diagram of the roller brush in a disassembled state according to an embodiment of the present application Figure 3 。

[0035] Figure 10 Another structural schematic diagram of the roller brush in a disassembled state according to an embodiment of the present application Figure 4 。

[0036] Figure 11 Structural schematic diagram of the roller brush in a pre-installation state according to an embodiment of the present application.

[0037] Figure 12 Another exploded view of the structure of the rotating shaft and the roller brush according to an embodiment of the present application.

[0038] Figure 13 Structural schematic diagram of the mating structure of the rotating shaft and the sleeve according to an embodiment of the present application.

[0039] Figure 14 Structural schematic diagram of the cleaning device according to an embodiment of the present application.

[0040] Explanation of reference numerals: housing 100; opening 110; avoidance space 120; installation part 130; accommodation cavity 140; roller brush assembly 200; roller brush 210; internal thread cavity 211; variable diameter cavity 212; end cavity 213; positioning cavity 214; rotating shaft 220; locking section 221; guiding section 222; ball head section 223; first limiting part 2231; sleeve 230; elastic arm 231; stepped section 224; positioning section 225. Detailed implementation manners

[0041] In order to make the above objects, features and advantages of the present application more obvious and understandable, the following detailed description of the specific implementation manners of the present application will be given with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0042] In the description of the present application, it should be understood that if there are terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings. These are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.

[0043] In addition, if there are terms such as "first" and "second", these terms are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present application, if there is a term "plurality", the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0044] In the present application, unless otherwise clearly specified and limited, if there are terms such as "mounted", "connected", "connected to", "fixed", etc., these terms should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0045] In the present application, unless otherwise clearly specified and limited, if there is a description such as a first feature being "on" or "under" a second feature, the meaning may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0046] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are only for the purpose of illustration and do not represent the only implementation.

[0047] Referring to Figure 1 and Figure 2 , the present application provides a roller brush device, which includes a housing 100 and a roller brush assembly 200.

[0048] Among them, the housing 100 has an opening 110.

[0049] The roller brush assembly 200 is installed on the housing 100. The roller brush assembly 200 includes a roller brush 210 and a rotating shaft 220. One end of the roller brush 210 is locked to the rotating shaft 220, and the other end of the roller brush 210 is suspended in the housing 100, and the rotating shaft 220 can release the lock on the roller brush 210.

[0050] The roller brush 210 can swing relative to the rotating shaft 220 in a direction close to the opening 110 after being released from the lock of the rotating shaft 220, and can move relative to the rotating shaft 220 to be withdrawn from the opening 110.

[0051] It should be noted that the housing 100 has a receiving cavity for installing the roller brush assembly 200, and the receiving cavity is communicated with the opening 110. The opening of the housing 100 is the through port of the roller brush assembly 200 facing the surface of the object to be cleaned. A brush structure for patting or cleaning the object to be cleaned is installed on the roller brush 210, and the brush structure includes but is not limited to plastic brush strips and bristles. It can be understood that when the rotating shaft 220 drives the roller brush 210 to rotate, the brush structure on the roller brush 210 can extend out of the opening 110 of the housing 100 to clean the surface of the object to be cleaned, so as to remove dust and dirt such as mites and hairs on the surface of the object to be cleaned. The object to be cleaned includes but is not limited to blankets, mattresses, floors, walls, etc.

[0052] In Figure 1 , the roller brush assembly 200 has two and is symmetrically distributed relative to the middle of the receiving cavity. It is not difficult to understand that the ends of the two roller brush assemblies 200 close to each other are the suspended ends, and the ends of the two roller brush assemblies 200 far from each other are the assembly ends. The two rotating shafts 220 on the two roller brush assemblies 200 can be driven to rotate by the same rotating driving member. In this way, the function of synchronous rotation of the two roller brushes 210 is realized. The rotating driving member can be a driving mechanism combined with a motor and a synchronous belt mechanism or a driving mechanism combined with a motor and a sprocket chain transmission mechanism.

[0053] Moreover, by symmetrically arranging two roller brush assemblies 200 inside the housing 100 and making one end of the roller brush assembly 200 the assembly end and the other end the suspended end, the distribution area of the roller brush 210 in the accommodation cavity can be significantly increased, thereby increasing the effective cleaning area of the roller brush 210, enabling the brush structures on both roller brushes 210 to clean the object to be cleaned along the edge of the inner wall of the housing 100, and thus improving the cleaning efficiency of the object to be cleaned.

[0054] It should also be noted that one end of the roller brush 210 can be locked to the rotating shaft 220 through a threaded connection structure or a push-button lock structure. For example, if the roller brush 210 is locked to the rotating shaft 220 through a threaded connection structure, one of the rotating shaft 220 and the roller brush 210 is provided with an internal thread, and the other has an external thread. In this way, the threaded locking of the rotating shaft 220 to the roller brush 210 is achieved. When the roller brush 210 is screwed out from the rotating shaft 220 in a spiral manner, the rotating shaft 220 can release the locking of the roller brush 210.

[0055] It should be noted that for the roller brush device of the present application, when the roller brush 210 is locked to the rotating shaft 220, the roller brush 210 is in the assembled state. At this time, the rotating shaft 220 and the roller brush 210 are both on the same straight line. When the rotating shaft 220 releases the locking of the roller brush 210, the roller brush 210 can swing relative to the rotating shaft 220, that is, the roller brush 210 is in the detachable state at this time.

[0056] It is not difficult to understand that for the roller brush device of the present application, by locking one end of the roller brush 210 to the rotating shaft 220 and suspending the other end inside the housing 100, when the user needs to disassemble the roller brush 210, the user can first release the locking of the rotating shaft 220 to the roller brush 210, and then lift the end of the roller brush 210 suspended inside the housing 100, so that the roller brush 210 swings relative to the rotating shaft 220 in the direction close to the opening 110. When the suspended end of the roller brush 210 swings from the inside of the housing 100 to the outside of the opening 110, the roller brush 210 is inclined at a certain angle relative to the rotating shaft 220. At this time, the user can pull out the roller brush 210 obliquely, thus realizing the disassembly of the roller brush 210.

[0057] When the user needs to install the roller brush 210, the user can first incline the roller brush 210 at a certain angle relative to the rotating shaft 220, and then swing the suspended end of the roller brush 210 relative to the rotating shaft 220 in the direction close to the opening 110, so as to enter the inside of the housing 100 through the opening 110 and be in a horizontal state. At this time, the user can move the roller brush 210 axially closer to the rotating shaft 220, thereby locking and fixing the roller brush 210 to the rotating shaft 220, thus realizing the installation of the roller brush 210.

[0058] The roller brush device of the present application locks one end of the roller brush 210 to the rotating shaft 220 and suspends the other end inside the housing 100. Compared with the assembly method of fixing both ends of the roller brush to the housing, the space utilization rate inside the housing 100 is improved, and the cleaning area of the roller brush 210 is increased. More importantly, the installation of the roller brush 210 and the housing 100 is more flexible. When the locking of the roller brush 210 by the rotating shaft 220 is released, the roller brush 210 can swing relative to the rotating shaft 220 and escape from the opening 110 without simultaneously disassembling both ends of the roller brush 210, effectively improving the convenience of disassembling and installing the roller brush and facilitating the use of the user.

[0059] In some embodiments of the present application, referring to Figure 3 and Figure 4 , the rotating shaft 220 includes a locking section 221 and a guiding section 222 extending along the axial direction. The outer diameter of the guiding section 222 decreases in the direction close to the roller brush 210. The roller brush 210 is sleeved on the rotating shaft 220 and is detachably connected to the locking section 221, and after the roller brush 210 disengages from the locking section 221, it can slide along the guiding section 222.

[0060] Specifically, referring to Figure 2 and Figure 3 , where Figure 3 shows a schematic structural diagram of the roller brush 210 in a fully assembled state. The locking section 221 and the guiding section 222 are respectively located on the left and right sides of the rotating shaft 220. The locking section 221 is an external thread section, the roller brush 210 has a cylindrical structure, and an internal thread cavity 211 that is thread - fitted with the locking section 221 is provided on the inner wall of the roller brush 210, so that the roller brush 210 can be thread - connected to the locking section 221. The guiding section 222 is conical, and a variable - diameter cavity 212 for inserting the guiding section 222 is provided inside the roller brush 210, that is, the variable - diameter cavity 212 is also conical, that is, the inner diameter of the variable - diameter cavity 212 decreases in the direction away from the rotating shaft 220.

[0061] It should be noted that the maximum outer diameter of the guiding section 222 is equal to the outer diameter of the locking section 221 and also equal to the outer diameter of the internal thread cavity 211. In this way, after the internal thread cavity 211 of the roller brush 210 is spirally disengaged from the locking section 221, there is enough clearance in the radial direction between the roller brush 210 and the guiding section 222 for the roller brush 210 disengaged from the locking of the locking section 221 to swing and move relative to the rotating shaft 220 in the direction close to the opening 110. It should also be noted that there is a clearance space 120 between the suspended end of the roller brush 210 and the housing 100, which provides a clearance for the process of the roller brush 210 spirally disengaging from the locking section 221 and ensures that there is a displacement clearance inside the housing 100 for the roller brush 210 to axially and spirally disengage from the locking section 221.

[0062] Referring to Figure 4 and Figure 5, It is not difficult to understand that when the user needs to remove the rotary brush 210 from the housing 100, the user can first insert the hand through the opening 110 into the avoidance space 120 and turn the suspended end of the rotary brush 210, so that the internal thread cavity 211 on the rotary brush 210 is spirally disengaged from the locking section 221. When the rotary brush 210 disengages from the locking section 221, the locking section 221 will release the locking of the rotary brush 210. As Figure 4 the disassembled state of the corresponding rotary brush 210, the position of the rotary brush 210 at this time is defined as the first disassembly state.

[0063] It can be understood that at this time, the internal thread cavity 211 of the rotary brush 210 moves to the position of the guiding section 222. Then, by using the conical structure of the guiding section 222 and the fact that the outer diameter of the internal thread cavity 211 is greater than the maximum outer diameter of the guiding section 222, the user continues to act on the suspended end of the rotary brush 210, thereby driving the internal thread cavity 211 of the rotary brush 210 to move obliquely along the guiding section 222, so that the rotary brush 210 can synchronously perform a combined movement of swinging and moving relative to the guiding section 222. During this process, the variable diameter cavity 212 of the rotary brush 210 also disengages from the guiding section 222 synchronously. When the suspended end of the rotary brush 210 moves to the outside of the opening 110, as Figure 5 the corresponding position state of the rotary brush, the position of the rotary brush 210 at this time is defined as the second disassembly state.

[0064] It is not difficult to see that at this time, the rotary brush 210 is inclined at a certain angle relative to the opening 110, and the user can tilt the rotary brush 210 downward and extract it in the second disassembly state, thus realizing the disassembly of the rotary brush 210.

[0065] When the user needs to install the rotary brush 210 to the initial assembly position, the user can perform the operation actions opposite to the above-mentioned process of disassembling the rotary brush 210 to realize the quick installation of the rotary brush 210.

[0066] It is not difficult to understand that in this application, a locking section 221 and a guiding section 222 extending axially are provided on the rotating shaft 220, and the outer diameter of the guiding section 222 shows a decreasing trend along the direction close to the rotary brush 210. At the same time, the rotary brush 210 is sleeved on the rotating shaft 220 and is detachably connected to the locking section 221. On the one hand, it can ensure that the rotary brush 210 is locked and fixed by the locking section 221 of the rotating shaft 220 in the fully assembled state, and ensure the movement stability of the rotary brush 210 when rotating and cleaning the object to be cleaned. On the other hand, it can enable the rotary brush 210 to be disassembled and removed from the housing 110 by swinging relative to the rotating shaft 220 after being disassembled from the locking section 221. While improving the utilization rate of the internal space of the housing 100, it also greatly simplifies the disassembly and assembly process of the rotary brush 210, effectively improving the convenience of disassembling and installing the rotary brush, and facilitating the use of the user.

[0067] Furthermore, referring to Figure 3 again and Figure 5In order to reduce or even eliminate the gap between the roller brush 210 in a fully assembled state and the rotating shaft 220, a positioning section 225 is provided at one end of the rotating shaft 220 close to the roller brush 210, and a positioning cavity 214 is provided on the roller brush 210 for inserting the positioning section 225.

[0068] Specifically, the positioning segment 225 is a cylindrical segment, and the outer diameter of the positioning segment 225 is equal to the minimum outer diameter of the guiding segment 222 , so that the positioning segment 225 and the guiding segment 222 have a smooth transition.

[0069] It is not difficult to understand that, see Figure 2 The positioning section 225 on the rotating shaft 220 is plugged into and matched with the positioning cavity 214 on the roller brush 210, so that when the roller brush 210 is in a fully assembled state, along the inner wall of the housing 100 in the direction close to the cantilever end of the roller brush 210, the locking section 221, the guide section 222 and the positioning section 225 on the rotating shaft 220 are completely nested with the internal thread cavity 211, the diameter-changing cavity 212 and the positioning cavity 214 on the inner wall of the roller brush 210 in sequence, eliminating the roller brush 210 in a fully assembled state. The gap between the roller brush 210 and the rotating shaft 220 avoids the problem of the roller brush 210 shaking relative to the rotating shaft 220 during the rotating cleaning process due to the matching gap with the rotating shaft 220, which affects the cleaning efficiency. It also provides a positioning and positioning reminder structure for the roller brush 210 to be assembled on the rotating shaft 220, preventing the user from excessively twisting the roller brush 210 and causing the threaded connection structure between the roller brush 210 and the rotating shaft 220 to slip, thereby affecting the stability of the roller brush 210 during the cleaning process.

[0070] Further, see Figure 1 , Figure 4 and Figure 5 The housing 100 is provided with an escape space 120 for the roller brush 210 to move relative to the rotating shaft 220. It is easy to understand that the escape space 120 is connected to the opening 110. The length of the locking section 221 and the length of the guide section 222 are both less than half of the length of the roller brush 210.

[0071] In this way, the axial length of the avoidance space 120 can be reduced to a certain extent, so that the roller brush 210 has a sufficiently long axial length distributed in the housing 100, thereby ensuring the cleaning area of the roller brush 210 and effectively improving the space utilization inside the housing 100.

[0072] Of course, in some other embodiments, the sum of the length of the locking section 221 and the length of the guide section 222 is greater than or equal to half the length of the roller brush 210, that is, the matching length of the rotating shaft 220 and the roller brush 210 is greater than or equal to half the length of the roller brush 210, thereby reducing the jitter of the cantilever end of the roller brush 210 during the rotation and cleaning operation of the roller brush 210.

[0073] In addition, referring again to Figure 1 , Figure 4 and Figure 5 , the axial length of the avoidance space 120 is greater than the length of the locking section 221 to ensure that there is a displacement gap in the housing 100 for the rotary brush 210 to axially and helically escape from the locking section 221. At the same time, the axial length of the avoidance space 120 is less than the sum of the length of the locking section 221 and the length of the guiding section 222, further improving the space utilization rate inside the housing 100.

[0074] In some embodiments of the present application, referring to Figure 3 and Figure 4 , an installation portion 130 extends axially along the rotation axis 220 on the inner wall of the housing 100, and one end of the rotary brush 210 close to the rotation axis 220 is sleeved on the installation portion 130.

[0075] Alternatively, in some other embodiments, one end of the rotation axis 220 close to the inner wall of the housing 100 extends axially with an installation section, and one end of the rotary brush 210 close to the rotation axis 220 is sleeved on the installation section.

[0076] Specifically, the installation portion 130 is a cylindrical shaft, and one end of the rotary brush 210 close to the rotation axis 220 has an end cavity 231 that is sleeved and fitted with the installation portion 130. With such a setting, the farthest point of the assembly end of the rotary brush 210 can extend to the position of the inner wall of the housing 100, increasing the contact area between the rotary brush 210 and the internal structure of the housing 100. While reducing the jitter of the cantilever end of the rotary brush 210 during the rotary cleaning operation of the rotary brush 210, it also increases the extension length of the rotary brush 210 inside the housing 100, improving the cleaning area of the rotary brush 210.

[0077] Referring to Figure 6 , Figure 7 and Figure 8 , in some embodiments of the present application, the rotation axis 220 includes a connected locking section 221 and a ball head section 223. The rotary brush 210 is sleeved on the rotation axis 220 and is detachably connected to the locking section 221. The rotary brush 210 is also movably connected to the ball head section 223, and after the rotary brush 210 disengages from the locking section 221, it can rotate along the ball head section 223 and disengage from the ball head section 223.

[0078] Specifically, the locking section 221 is an external thread section, and the rotary brush 210 has an internal thread cavity that is threadedly engaged with the locking section 221. In this way, the rotary brush 210 can be threadedly connected to the locking section 221. The ball head section 223 is a spherical structure, and the rotary brush 210 has a ball socket cavity that is fitted with the ball head section 223.

[0079] It is not difficult to understand that when the user needs to remove the rotary brush 210 from the housing 100, the user can first insert the hand through the opening 110 into the avoidance space 120 and turn the suspended end of the rotary brush 210, so that the internal thread cavity on the rotary brush 210 is spirally disengaged from the locking section 221. When the rotary brush 210 disengages from the locking section 221, the locking of the rotary brush 210 by the locking section 221 is released. As Figure 9 the disassembled state of the corresponding rotary brush 210, the position of the rotary brush 210 at this time is defined as the third disassembly state.

[0080] It can be understood that at this time, the ball socket cavity of the rotary brush 210 moves to the position of the ball head section 223. Then, by using the arc surface structure of the ball head section 223, the user continues to act on the suspended end of the rotary brush 210, thereby driving the ball socket cavity of the rotary brush 210 to rotate along the ball head section 223, so that the rotary brush 210 swings relative to the rotation axis 220 in a direction close to the opening 110. When the suspended end of the rotary brush 210 moves to the outside of the opening 110, as Figure 10 the position state of the corresponding rotary brush, the position of the rotary brush 210 at this time is defined as the fourth disassembly state.

[0081] It is not difficult to see that at this time, the rotary brush 210 is inclined at a certain angle relative to the opening 110. The user can then tilt and pull out the rotary brush 210 in the fourth disassembly state downward, so that the rotary brush 210 disengages from the ball head section 223 of the rotation axis 220, thus realizing the disassembly of the rotary brush 210.

[0082] When the user needs to install the rotary brush 210 to the initial assembly position, the user can perform an operation opposite to the above-mentioned disassembly process of the rotary brush 210 to achieve quick installation of the rotary brush 210.

[0083] It is not difficult to understand that in this application, a locking section 221 and a ball head section 223 extending axially are provided on the rotation axis 220, and the rotary brush 210 is sleeved on the rotation axis 220 and is detachably connected to the locking section 221. At the same time, the rotary brush 210 is also movably connected to the ball head section 223. On the one hand, it can ensure that the rotary brush 210 is locked and fixed by the locking section 221 of the rotation axis 220 in the fully assembled state, ensuring the movement stability of the rotary brush 210 when rotating and cleaning the object to be cleaned. On the other hand, it can enable the rotary brush 210 to be disassembled and pulled out from the housing 110 by pivoting relative to the rotation axis 220 with the help of the ball head section 223 after spirally disengaging from the locking section 221. While improving the utilization rate of the internal space of the housing 100, it also greatly simplifies the disassembly and assembly process of the rotary brush 210, effectively improving the convenience of disassembly and installation of the rotary brush, and facilitating the use of the user.

[0084] See Figure 8, in some embodiments of the present application, the ball head section 223 is provided with a first limiting portion 2231, and the first limiting portion 2231 is used to limit the rolling brush 210 in the width direction of the housing 100. The width direction of the housing 100 corresponds to the horizontal direction perpendicular to the rolling brush 210.

[0085] Specifically, the first limiting portion 2231 is two opposite rectangular surfaces provided on the ball head section 223 along the width direction of the housing 100, and the inner wall of the rolling brush 210 correspondingly has a connecting surface that is rotationally locked with the rectangular surface. In this way, the rolling brush 210 is limited in the width direction of the housing 100. On the one hand, it avoids relative rotation between the rolling brush 210 and the rotating shaft 220 during the rotary cleaning operation. On the other hand, after the rolling brush 210 is disengaged from the locking section 221, it can only swing up and down relative to the ball head section 223, and cannot swing in the width direction of the housing 100 relative to the ball head section 223, improving the convenience of disassembling the rolling brush 210.

[0086] In some embodiments of the present application, refer to Figure 11 , a sleeve 230 is slidably inserted into the rolling brush 210, and the rolling brush 210 is rotationally engaged with the ball head section 223 through the sleeve 230. At this time, the ball socket cavity engaged with the ball head section 223 is provided inside the sleeve 230.

[0087] Specifically, the sleeve 230 is provided with a plurality of elastic arms 231 along the circumferential direction. All the elastic arms 231 are arranged to be squeezed by the inner wall of the rolling brush 210 when the sleeve 230 slides into the rolling brush 210, so as to gather radially along the sleeve 230. When the sleeve 230 is inside the rolling brush 210, all the elastic arms 231 are disengaged from the extrusion of the rolling brush 210 and are clamped to the inner wall of the rolling brush 210.

[0088] Refer to Figure 9 , a hook can be provided at the end of the elastic arm 231, and a clamping surface that cooperates with the hook can be provided on the inner wall of the rolling brush 210. This clamping surface can be formed by the variable diameter connecting section of the inner cavity of the rolling brush 210. In this way, the clamping cooperation between the elastic arm 231 and the inner wall of the rolling brush 210 is realized.

[0089] It should be noted that before the user (manufacturer) initially assembles the rolling brush 210 into the housing 100, the rolling brush 210 and the sleeve 230 are in a separated state, that is, the two are relatively independent structures.

[0090] Refer to Figure 11 、 Figure 12 and Figure 13, when the roller brush 210 is initially installed inside the housing 100, the sleeve 230 can be sleeved on the ball head section 223 of the rotating shaft 220 with an upward inclination relative to the opening 110 first, so that the ball socket cavity in the sleeve 230 is movably sleeved and mated with the ball head section 223 at this time. Then, the roller brush 210 is sleeved on the sleeve 230 along the inclined direction of the sleeve 230.

[0091] It is not difficult to understand that in this process, by the elastic action of the elastic arms 231, all the elastic arms 231 on the sleeve 230 slide into the cavity of the roller brush 210 and are squeezed by the inner wall of the roller brush 210, that is, all the elastic arms 231 gather radially along the sleeve 230. When the roller brush 210 completely sleeves the sleeve 230, all the elastic arms 231 are disengaged from the extrusion of the roller brush 210 and are clamped to the inner wall of the roller brush 210. For example, the hooks of the elastic arms 231 are disengaged from the extrusion of the inner wall of the roller brush 210 and expand radially along the sleeve 230, so as to be clamped and limited on the clamping surface of the inner wall of the roller brush 210. In this way, the insertion and mating of the sleeve 230 and the roller brush 210 are realized.

[0092] Then, operate the suspended end of the roller brush 210, so that the roller brush 210 swings into the housing 100 by means of the pivotal cooperation between the sleeve 230 and the ball head section 223, as Figure 9 the corresponding position state of the roller brush 210. Finally, move the roller brush 210 axially along the direction close to the rotating shaft 220, so as to screw the roller brush 210 into the state of being threadedly connected with the locking section 221, as Figure 7 the corresponding position state of the roller brush 210. In this way, the initial assembly of the roller brush 210 into the housing 100 is realized.

[0093] It can be understood that through the above settings, by means of the structural function of the sleeve 230, the convenience of initially assembling the roller brush 210 into the housing 100 is improved, and a structural basis is also provided for the subsequent disassembly of the roller brush 210 by the user.

[0094] In addition, referring to Figure 12 , the rotating shaft 220 further includes a stepped section 224 provided between the locking section 221 and the ball head section 223, and one end of the sleeve 230 close to the rotating shaft 220 abuts against the stepped section 224. Through the abutting setting between the stepped section 224 and the port of the sleeve 230, structural limit can be provided for the complete assembly of the sleeve 230 into the housing 100, and a positioning and in-place reminder structure can also be provided for the roller brush 210, further improving the disassembly and assembly convenience of the roller brush 210.

[0095] In addition, referring to Figure 14 , the embodiment of the present application further provides a cleaning device, which includes the above-mentioned roller brush device and a rotation driving member.

[0096] Among them, the housing 100 has a receiving cavity 140 communicating with the opening 110, and the roller brush assembly 200 has two and is symmetrically distributed relative to the middle of the receiving cavity 140.

[0097] A rotation driving member configured to drive the rotation shafts 220 of the two roller brush assemblies 200 to rotate relative to the receiving cavity 140.

[0098] Since the cleaning device of the present application is configured with the above roller brush device, it also has the same technical effects brought by the above roller brush device, that is, compared with the assembly method of fixing both ends of the roller brush to the housing, the installation of the roller brush 210 and the housing 100 is more flexible, effectively improving the convenience of disassembling and installing the roller brush and facilitating the use of the user.

[0099] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0100] The above embodiments only represent several implementation manners of the present application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A roller brush device, characterized in that, Comprising: A housing having an opening; A roller brush assembly mounted on the housing, comprising a roller brush and a rotating shaft, one end of the roller brush being locked to the rotating shaft, the other end of the roller brush being suspended inside the housing, and the rotating shaft being capable of releasing the lock on the roller brush; The roller brush can swing relative to the rotating shaft towards the direction close to the opening after being released from the lock of the rotating shaft, and can move relative to the rotating shaft to be withdrawn from the opening; The rotating shaft includes a locking section and a ball head section connected to each other. The roller brush is sleeved on the rotating shaft and is detachably connected to the locking section. The roller brush is also movably connected to the ball head section. After the roller brush is disengaged from the locking section, it can rotate along the ball head section and disengage from the ball head section. The ball head section is provided with a first limiting portion for limiting the roller brush in the width direction of the housing.

2. The roller brush device according to claim 1, characterized in that, A sleeve is slidably inserted into the roller brush, and the roller brush is rotationally matched with the ball head section through the sleeve.

3. The roller brush device according to claim 2, characterized in that, The rotating shaft further includes a stepped section provided between the locking section and the ball head section, and one end of the sleeve close to the rotating shaft abuts against the stepped section.

4. The roller brush device according to claim 2, characterized in that, A plurality of elastic arms are provided on the sleeve in the circumferential direction. All the elastic arms are configured to be squeezed by the inner wall of the roller brush when the sleeve slides into the roller brush, so as to gather radially along the sleeve. When the sleeve is inside the roller brush, all the elastic arms are disengaged from the extrusion of the roller brush and are clamped to the inner wall of the roller brush.

5. The roller brush device according to claim 4, wherein, A hook is provided at the end of the elastic arm, and a clamping surface cooperating with the hook is provided on the inner wall of the roller brush.

6. The brush roll device according to claim 1, characterized in that, A brush structure is mounted on the roller brush.

7. The roller brush device according to claim 1, wherein The locking section is an external thread section, and the roller brush has an internal thread cavity threadedly engaged with the locking section.

8. The roller brush device according to claim 1, wherein, The ball head section is a spherical structure, and the roller brush has a spherical socket cavity cooperating with the ball head section.

9. The roller brush device according to claim 1, characterized in that, The first limiting portion is two opposite rectangular surfaces provided on the ball head section along the width direction of the housing, and the inner wall of the roller brush correspondingly has a connecting surface for non-rotating cooperation with the rectangular surface.

10. A cleaning device, characterized in that, Comprising: The roller brush device according to any one of claims 1 to 9, wherein the housing has a receiving cavity communicating with the opening, and there are two roller brush assemblies symmetrically distributed relative to the middle of the receiving cavity; A rotation driving member configured to drive the rotating shafts of the two roller brush assemblies to rotate relative to the receiving cavity.

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