A rolling brush joint, a rolling brush device and a dust collector

Abstract

The present application relates to the technical field of household appliances, and in particular to a rolling brush joint, a rolling brush device and a dust collector. The rolling brush joint has a containing groove on the peripheral surface, and the side wall of the containing groove away from the rolling brush body has a notch. The containing groove can store sundries, ensuring the normal operation of the rolling brush device for a long time. When the sundries accumulate to a certain extent, the operator can apply force to the sundries in the containing groove through the notch by hand or tool, so that the sundries can be easily taken out from the containing groove, facilitating the cleaning of the sundries. The rolling brush device and the dust collector can conveniently clean the sundries by applying the rolling brush joint.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, in particular to a rolling brush joint, a rolling brush device and a dust collector. BACKGROUND

[0002] When the dust collector works, the electric motor drives the blade to rotate at high speed, and air negative pressure is generated in the sealed shell. Then the vacuum generates suction to suck in air and dust, and the air and dust flow through various filters to achieve the effect of filtering the impurities in the air and cleaning the indoor device.

[0003] The rolling brush of the dust collector includes a rolling brush body and a rolling brush end cover. The rolling brush end cover is wrapped around the end of the rolling brush body, and the rolling brush end cover and the end of the rolling brush body form a containing space for containing a rotating shaft and a bearing. In order to ensure the normal rotation of the rolling brush body, the rolling brush end cover is in clearance fit with the rolling brush body in the radial direction. However, during the use of the dust collector, hair and other impurities can easily enter the containing space through the gap, and the impurities can be wound around the rotating shaft and the bearing, which can easily cause the power mechanism driving the rotating shaft to be blocked, affecting the overall service life of the rolling brush.

[0004] In order to solve the above technical problems, the conventional rolling brush device is provided with a debris storage groove on the outer periphery of the rolling brush body. The debris will first enter the debris storage groove, which can to some extent avoid the debris from winding around the rotating shaft and the bearing, prevent the power mechanism from being blocked, and ensure the overall service life of the rolling brush. However, the debris storage groove of this structure is not convenient for the operator to clean the debris.

[0005] Therefore, there is an urgent need to invent a rolling brush device that can facilitate the cleaning of debris. SUMMARY

[0006] The first object of the present application is to provide a rolling brush joint that can facilitate the cleaning of debris.

[0007] The second object of the present application is to provide a rolling brush device that can facilitate the cleaning of debris by applying the above-mentioned rolling brush joint.

[0008] The third object of the present application is to provide a dust collector that can facilitate the cleaning of debris by applying the above-mentioned rolling brush device.

[0009] To achieve this object, the present application adopts the following technical solutions:

[0010] A rolling brush joint, a circumferential surface of the rolling brush joint is provided with a containing groove, and a side wall of the containing groove is provided with a notch.

[0011] Preferably, the side wall is provided with a rounded corner at the entrance position of the notch.

[0012] Preferably, the depth of the notch is 4mm-6mm.

[0013] Preferably, the width of the notch is 1.5mm-3mm.

[0014] Preferably, the accommodating groove is an annular groove.

[0015] Preferably, the width of the accommodating groove is 2mm-4mm.

[0016] Preferably, the depth of the accommodating groove is the same as the depth of the notch.

[0017] Preferably, the distance from the outer edge of the side wall to the center line of the roller brush joint is 38mm-42mm.

[0018] Preferably, the end of the roller brush joint is inwardly recessed to form an accommodating cavity, and the inside of the accommodating cavity is provided with a tooth part.

[0019] Preferably, the tooth part includes at least two meshing teeth.

[0020] Preferably, the at least two meshing teeth are uniformly distributed along the circumference of the accommodating cavity.

[0021] Preferably, the number of meshing teeth is six.

[0022] Preferably, the height of the meshing teeth is 3mm-6mm.

[0023] Preferably, the depth of the accommodating cavity is 12mm-16mm.

[0024] Preferably, the roller brush joint is further provided with an accommodating hole, and the accommodating cavity and the accommodating hole are in communication.

[0025] Preferably, the depth of the accommodating hole is 5mm-7mm.

[0026] A roller brush device includes a roller brush body including the roller brush joint as described above.

[0027] A dust collector includes the roller brush device as described above.

[0028] The beneficial effects of the present application are:

[0029] The circumferential surface of the roller brush joint is provided with an accommodating groove, and the side wall of the accommodating groove is provided with a notch. The accommodating groove in the present application can play a role in storing sundries, ensuring the normal operation of the roller brush device for a long time. When the sundries accumulate to a certain extent, the operator can apply force to the sundries in the accommodating groove through the hand or tool passing through the notch, so that the sundries are more easily taken out from the accommodating groove, facilitating the cleaning of the sundries.

[0030] The roller brush device and the dust collector proposed in the present application can conveniently clean the sundries by applying the above-mentioned roller brush joint. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the structure of the roller brush device provided in Embodiment 1 of the present invention in one direction;

[0033] Figure 2 This is a schematic diagram of the roller brush device provided in Embodiment 1 of the present invention from another direction;

[0034] Figure 3 This is an exploded view of the roller brush device provided in Embodiment 1 of the present invention;

[0035] Figure 4 This is a schematic diagram of the structure of the first roller brush connector provided in Embodiment 1 of the present invention;

[0036] Figure 5 This is a schematic diagram of the structure of the second roller brush connector provided in Embodiment 1 of the present invention;

[0037] Figure 6 This is a cross-sectional view of the second roller brush connector provided in Embodiment 1 of the present invention;

[0038] Figure 7 This is a front view of the second roller brush connector provided in Embodiment 1 of the present invention;

[0039] Figure 8 This is a cross-sectional view of the roller brush device provided in Embodiment 1 of the present invention;

[0040] Figure 9 yes Figure 8 A magnified view of a section at point A in the middle;

[0041] Figure 10 This is a schematic diagram of the structure of the first roller brush cover provided in Embodiment 1 of the present invention;

[0042] Figure 11 This is a front view of the first roller brush cover provided in Embodiment 1 of the present invention;

[0043] Figure 12 This is a schematic diagram of the structure of a roller brush body provided in Embodiment 1 of the present invention;

[0044] Figure 13 This is a schematic diagram of another type of roller brush body provided in Embodiment 2 of the present invention;

[0045] Figure 14 is another position relationship diagram between the rolling brush body and the ground provided by the second embodiment of the present application.

[0046] The figure is marked as follows:

[0047] 1-rolling brush device; 2-ground;

[0048] 11-rolling brush body; 12-first rolling brush joint; 13-second rolling brush joint; 14-first rolling brush cover; 15-mounting shell; 16-weight bar; 17-gap; 18-driving part; 19-second rolling brush cover;

[0049] 111-main body part; 112-brush part; 121-first accommodating groove; 131-second accommodating groove; 132-tooth part; 133-accommodating cavity; 134-accommodating hole; 141-end cover; 142-circumferential wall; 143-supporting shaft;

[0050] 1111-mounting groove; 1121-bristle; 1122-first brush cloth; 1123-second brush cloth; 1211-first side wall; 1212-first notch; 1311-second side wall; 1312-second notch; 1321-engaging tooth. DETAILED DESCRIPTION

[0051] Embodiment one

[0052] When the dust collector works, the electric motor drives the blade to rotate at high speed, air negative pressure is generated in the sealed shell, then the vacuum generates suction to suck in air and dust, and the air and dust flow through various filters, finally the effect of filtering the sundries in the air and cleaning the indoor device is achieved. Figure 1 is a structural schematic diagram of the rolling brush device 1 in one direction provided by the present embodiment, Figure 2 is a structural schematic diagram of the rolling brush device 1 in another direction provided by the present embodiment. As Figure 1 and Figure 2 shown, the present embodiment provides a rolling brush device 1 capable of facilitating the cleaning of sundries and a dust collector applying the rolling brush device 1.

[0053] Figure 3 is an exploded view of the rolling brush device 1 provided by the present embodiment. As Figure 3As shown, the roller brush device 1 provided in this embodiment includes a roller brush body 11, a first roller brush connector 12, a second roller brush connector 13, a first roller brush cover 14, a second roller brush cover 19, and a mounting shell 15. The roller brush body 11, the first roller brush connector 12, the second roller brush connector 13, the first roller brush cover 14, and the second roller brush cover 19 are all disposed within the mounting shell 15. One end of the roller brush body 11 is provided with the first roller brush connector 12, and the other end is provided with the second roller brush connector 13. The first roller brush connector 12 is rotatably connected to the first roller brush cover 14, and the second roller brush connector 13 is rotatably connected to the second roller brush cover 19. The first roller brush cover 14 and the second roller brush cover 19 are respectively fixed within the mounting shell 15. This arrangement allows the roller brush body 11 to rotate relative to the mounting shell 15. Specifically, the length of the roller brush device 1 in this embodiment is 100mm to 200mm, which allows the roller brush device 1 to be installed within the mounting shell 15.

[0054] Figure 4 This is a schematic diagram of the structure of the first roller brush connector 12 provided in this embodiment. Figure 4 As shown, the first roller brush connector 12 provided in this embodiment has a first receiving groove 121 on its circumferential surface. When the roller brush device 1 is in operation, the first receiving groove 121 can collect debris, ensuring that the roller brush device 1 can operate normally for a long time. In addition, the first receiving groove 121 is away from the first sidewall 1211 of the roller brush body 11. Figure 4 The left side wall shown has a first notch 1212. When the debris accumulates to a certain extent, the operator can use his hand or a tool to apply force to the debris in the first receiving groove 121 through the first notch 1212, so that the debris can be easily removed from the first receiving groove 121, which facilitates the cleaning of debris.

[0055] Specifically, the first accommodating groove 121 has a depth of 4-6 mm, which can store more sundries and is not too deep to facilitate the operator to take out the sundries from the first accommodating groove 121. In addition, the first notch 1212 has the same depth as the first accommodating groove 121, and the operator can clean the sundries at the bottom of the first accommodating groove 121 through the first notch 1212. The first accommodating groove 121 has a width of 2-4 mm, which can store more sundries. The first notch 1212 has a width of 1.5-3 mm, which is slightly larger than the width of the index finger of an average operator, so that the operator can insert the index finger into the first notch 1212 to clean the sundries in the first accommodating groove 121 without using a tool. In addition, since the first accommodating groove 121 has a certain width, the operator can hold a cleaning tool to scrape the sundries within a certain range of the first accommodating groove 121, thereby achieving better cleaning of the first accommodating groove 121. In addition, the side of the first notch 1212 is rounded to avoid scratching the fingers when the operator cleans the sundries with his hands. Specifically, the first accommodating groove 121 of the embodiment is an annular groove, which can maximize the accommodation of sundries and reduce the replacement frequency of the first accommodating groove 121 under the condition that the width and height of the accommodating groove are constant.

[0056] Figure 5 is a structure diagram of the second roller brush joint 13 provided in the embodiment. Figure 6 is a sectional view of the second roller brush joint 13 provided in the embodiment. Figure 7 is a front view of the second roller brush joint 13 provided in the embodiment. Figures 5 to 7 As shown in the figure, the structure of the second roller brush joint 13 provided in the embodiment is similar to that of the first roller brush joint 12 in Figure 4 . The second roller brush joint 13 is provided with a second accommodating groove 131 on the peripheral surface, and the second accommodating groove 131 is provided with a second notch 1312 away from the second side wall 1311 (the right side wall in the figure) of the brush body 11. Figure 5 The second notch 1312 can also facilitate the cleaning of sundries. The second roller brush joint 13 differs from the first roller brush joint 12 in that the end of the second roller brush joint 13 is concave to form an accommodating cavity 133, Figure 3 The output end of the driving part 18 in Figure 3 extends into the accommodating cavity 133, and the inside of the accommodating cavity 133 is provided with a tooth part 132, which is engaged with the tooth part on the driving part 18 in . When the driving part 18 rotates, it can drive the second roller brush joint 13 and the brush body 11 to rotate synchronously.

[0057] In addition, the tooth portion 132 is arranged in the interior of the second roller brush connector 13, the depth of the accommodating cavity 133 is 12mm-16mm, and the part of the driving portion 18 can be inserted into the interior of the second roller brush connector 13, thereby effectively reducing the length of the roller brush device 1 in the axial direction on the basis of ensuring the stable connection between the second roller brush connector 13 and the driving portion 18, and obtaining the roller brush device 1 with smaller size.

[0058] In addition, the second roller brush connector 13 is further provided with an accommodating hole 134 which is in communication with the accommodating cavity 133 and is used for accommodating the positioning column of the free end of the driving portion 18, the depth of the accommodating hole 134 is 5mm-7mm, and the positioning column is inserted into the accommodating hole 134, thereby realizing the quick positioning of the installation of the driving portion 18 to the second roller brush connector 13. Specifically, the second accommodating groove 131 in the embodiment is an annular groove, and under the condition that the width and height of the accommodating groove are constant, the second accommodating groove 131 can accommodate the impurities to the maximum extent, thereby reducing the replacement frequency of the second accommodating groove 131.

[0059] Specifically, the tooth portion 132 includes six meshing teeth 1321 which are matched with the six teeth on the output end of the driving portion 18, and since the number of the meshing teeth 1321 is large, the stable meshing between the driving portion 18 and the second roller brush connector 13 can be realized, and when the driving portion 18 rotates, the vibration of the second roller brush connector 13 can be reduced. In other embodiments, the number of the meshing teeth 1321 can also be three, four or other numbers.

[0060] In addition, the six meshing teeth 1321 are uniformly distributed along the circumferential direction of the accommodating cavity 133, and the six teeth on the output end of the driving portion 18 are also uniformly distributed along the circumferential direction, and when the operator inserts the output end of the driving portion 18 into the accommodating cavity 133, the relative positional relationship between the tooth portion 132 and the driving portion 18 in the circumferential direction does not need to be considered, and the installation efficiency of the driving portion 18 and the second roller brush connector 13 can be effectively improved. Specifically, the height of the meshing teeth 1321 is 3mm-6mm, so that the meshing area of the meshing teeth 1321 and the teeth on the driving portion 18 is large, and the phenomenon of tooth jumping is not easy to occur.

[0061] In addition, the distance from the outer edge of the side wall of the second roller brush connector 13 to the center line of the second roller brush connector 13 in the embodiment is 38-42mm, and the second roller brush connector 13 cooperates with the second roller brush cover 19 in the roller brush device 1 to form a gap of 0.5mm-1mm, which can ensure that the impurities enter the second accommodating groove 131, and can also avoid that the size of the gap is too large to cause the volume of the roller brush device 1 to be too large. Figure 3

[0062] As shown in FIG. 1, the roller brush device 1 includes a driving portion 18 and a second roller brush connector 13 which is connected to the driving portion 18. Figures 5 to 7 ​As shown, there are four second notches 1312, and these four notches 1312 are distributed circumferentially along the second roller brush connector 13, enabling all-around cleaning of the annular groove-shaped second receiving groove 131 without leaving any blind spots. Furthermore, the even distribution of the four second notches 1312 along the circumference of the second roller brush connector 13 further improves the cleaning coverage of the second receiving groove 131. Of course, the number of second notches 1312 can also be two, three, or more.

[0063] like Figures 4 to 7 As shown, the first sidewall 1211 at the entrance of the first notch 1212 and the second sidewall 1311 at the entrance of the second notch 1312 are both rounded, so that the operator can avoid being scratched by the sharp corners of the first sidewall 1211 or the second sidewall 1311 when cleaning up debris.

[0064] Figure 8 This is a cross-sectional view of the roller brush device 1 provided in this embodiment. (See attached image.) Figure 8 As shown, the first roller brush connector 12 and the second roller brush connector 13 are detachably connected to the roller brush body 11. When debris fills the first receiving groove 121 and the second receiving groove 131, the operator can remove the roller brush by opening the first roller brush cover 14 and clean the debris from the first roller brush connector 12 and the second roller brush connector 13, which is convenient. In addition, the first roller brush connector 12 and the second roller brush connector 13 filled with debris can be replaced with new first roller brush connector 12 and the second roller brush connector 13, respectively, to achieve quick replacement of the first roller brush connector 12 and the second roller brush connector 13 and improve the cleaning efficiency of the roller brush device 1.

[0065] Furthermore, the roller brush device 1 provided in this embodiment also includes a counterweight rod 16, which is disposed inside the roller brush body 11. Both ends of the counterweight rod 16 are respectively inserted into the first roller brush connector 12 and the second roller brush connector 13, enabling synchronous rotation of the counterweight rod 16 and the roller brush body 11. Because the counterweight rod 16 is disposed inside the roller brush body 11, the centrifugal force of the roller brush body 11 during rotation is increased, thereby increasing the amount of dust removed by the roller brush body 11, which is beneficial for the vacuum cleaner's dust absorption and improves the vacuum cleaner's cleaning ability.

[0066] Figure 9 yes Figure 8 A magnified view of a portion of point A in the middle. Figure 10 This is a schematic diagram of the structure of the first roller brush cover 14 provided in this embodiment. Figure 11 This is a front view of the first roller brush cover 14 provided in this embodiment. (See image below.) Figures 9 to 10As shown, the first rolling brush cover 14 can shield the opening of the containing groove of the first rolling brush joint 12, and the first rolling brush cover 14 comprises an end cover 141 and a peripheral wall 142. The peripheral wall 142 forms a gap 17 with the outer edge of the side wall of the first rolling brush joint 12, and dust and sundries can enter the first containing groove 121 through the gap 17 to achieve the collection of dust and sundries. Due to the existence of the gap 17, the rolling brush body 11 can rotate more smoothly during the operation of the rolling brush device 1, and the normal operation of the rolling brush device 1 is achieved. Specifically, the gap 17 is 0.5mm-1mm, which can ensure that the impurities enter the first containing groove 121, and can also avoid that the size of the gap 17 is too large to cause the volume of the rolling brush device 1 to be too large.

[0067] As shown in Figure 10 and Figure 11 , the outer surface of the end cover 141 is further provided with a support shaft 143, the cross section of the support shaft 143 is a regular hexagon, and the mounting shell 15 is provided with a mounting hole with the same cross section as the support shaft 143. The support shaft 143 is inserted into the mounting hole, which can avoid the rotation of the first rolling brush cover 14 relative to the mounting shell 15. The adjacent two edges of the regular hexagon are transitioned by a circular arc, which can avoid stress concentration at the intersection of the adjacent two faces of the support shaft 143, and improve the service life of the support shaft 143. In other embodiments, the cross section of the support shaft 143 can also be triangular, quadrangular or other polygonal structure, which can also effectively avoid the rotation of the first rolling brush cover 14 relative to the mounting shell 15.

[0068] Figure 12 is a structural schematic view of the main body part 111 provided by the embodiment. As shown in Figure 12 , the rolling brush body 11 provided by the embodiment comprises a main body part 111 and a brush part 112. The peripheral surface of the main body part 111 is provided with a mounting groove 1111, the mounting groove 1111 is arranged in a spiral shape along the axial direction of the main body part 111, and the brush part 112 is arranged in the mounting groove 1111. The rolling brush body 11 can drive the gas in the mounting shell 15 to rotate in a spiral shape during rotation, which can improve the amount of dust carried by the rolling brush body 11, facilitate the absorption of dust by the dust collector, and improve the cleaning ability of the dust collector. In addition, the brush part 112 and the main body part 111 are detachably connected. Since the brush part 112 is a consumable, when the brush part 112 is aged or damaged, a new brush part 112 can be replaced for continuous use.

[0069] As shown in Figure 12 , the mounting groove 1111 provided by the embodiment is a T-shaped groove, one side surface of the brush part 112 is provided with a clamping block, the clamping block is clamped in the inside of the T-shaped groove, and the other side surface of the brush part 112 extends out of the opening of the T-shaped groove. Through the cooperation of the clamping block and the T-shaped groove, the fixation of the brush part 112 and the main body part 111 in the radial direction is achieved.

[0070] Specifically, the mounting slots 1111 on the main body 111 are six, and each mounting slot 1111 corresponds to the installation of one brush part 112 (two brush parts 112 are not shown), and adjacent brush parts 112 are arranged at equal intervals in the circumferential direction, so that the main body 111 can be uniformly stressed. When the main body 111 rotates, it can rotate uniformly, so that each brush part 112 has good cleaning effect, thereby improving the cleaning effect of the rolling brush device 1. In other embodiments, the number of mounting slots 1111 can also be two, three or more.

[0071] Specifically, the brush part 112 includes a leather strip and a brush, wherein the leather strip beats the carpet to loosen dust or debris from the carpet, and the fine hairs on the brush are inserted into the carpet to carry away the loosened dust or debris. Through the cooperation of the leather strip and the brush, the cleaning effect of the rolling brush device 1 is improved. The leather strip and the brush are alternately arranged along the circumference of the main body 111, so that the beating of the carpet and the scraping of the carpet are alternately performed, and a better cleaning effect of the carpet is obtained. In other embodiments, the brush part 112 can also be made of other materials to achieve cleaning in different occasions.

[0072] Embodiment two

[0073] Figure 13 is a structural schematic diagram of a rolling brush body 11 provided by the embodiment, as Figure 13 shown, the rolling brush device 1 provided by the embodiment is basically the same as the rolling brush device 1 in embodiment one, the main difference is that the brush part 112 is wrapped around the outer periphery of the main body 111, and the brush part 112 includes bristles 1121, so that the cleaning of the floor can be realized.

[0074] Specifically, the brush part 112 includes a first brush cloth 1122 and a second brush cloth 1123 which are spliced, wherein the material of the first brush cloth 1122 is an antistatic material. Generally, when the dust collector is in working condition, static electricity will be generated by the friction between the brush part 112 and the ground, and the static electricity will be transmitted to the electrical components in the dust collector through the airflow or the components in the dust collector, thereby causing the failure of electrical components such as motors or battery packs, resulting in the failure of the dust collector to work normally. By selecting the material of the first brush cloth 1122 as an antistatic material, the generation of static electricity can be avoided from the source, the electrical components in the dust collector can be used effectively for a long time, and the service life of the dust collector is improved. In addition, the electrical components in the dust collector of the embodiment can also be further treated to prevent static electricity, such as setting an antistatic layer, so that the antistatic effect of the dust collector is better. Specifically, the antistatic material in the embodiment is obtained by adding an antistatic agent to nylon raw materials, and then forming nylon with antistatic effect, so that the first brush cloth 1122 not only has the effect of preventing static electricity, but also has good cleaning effect on the floor.

[0075] The material of the second brush cloth 1123 is nylon, when the first brush cloth 1122 and the second brush cloth 1123 roll on the floor, the effect of wiping the floor with a dry towel can be achieved, and the floor can be cleaned well. In addition, since the nylon has a certain hardness, even if the first brush cloth 1122 and the second brush cloth 1123 roll on the floor for a long time, the service life of the first brush cloth 1122 and the second brush cloth 1123 can be guaranteed.

[0076] Specifically, since the hardness of the first brush cloth 1122 is greater than that of the second brush cloth 1123, if the proportion of the first brush cloth 1122 is too large, the noise of the cleaner during operation will be large; if the proportion of the first brush cloth 1122 is too small, the anti-static effect will not be obvious. The ratio of the area occupied by the first brush cloth 1122 to the area occupied by the second brush cloth 1123 is 1 / 8-1 / 6, which can guarantee that the cleaner does not produce large noise during operation, and can produce sufficient anti-static effect.

[0077] Specifically, the first brush cloth 1122 and the second brush cloth 1123 are in strip shape, and the first brush cloth 1122 and the second brush cloth 1123 are spirally wound and fixed on the outer periphery of the main body part 111, so that the first brush cloth 1122 and the second brush cloth 1123 are simple and fast to install.

[0078] Figure 14 The present application provides another position relationship diagram of the brush body 11 and the ground 2. Specifically, the brush part 112 includes bristles 1121, the first distance L1 from the axis of the main body part 111 to the ground is 0.5-1mm smaller than the second distance L2 from the axis of the main body part 111 to the free end of the bristles 1121, which can guarantee that the bristles 1121 have a certain interference with the ground 2, and can play a good cleaning role on the ground 2, and can also guarantee good noise reduction and shock absorption effect.

[0079] It should be noted that the above shows and describes the basic principles and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A rolling brush joint, characterized by, The circumferential surface of the brush roller joint is provided with a receiving groove, and a notch is formed in a side wall of the receiving groove away from the brush roller body. The receiving groove can receive sundries, and when the sundries are cleaned, the operator can apply force to the sundries in the receiving groove through the notch by hand or a tool to take out the sundries from the receiving groove. The depth of the receiving groove is the same as the depth of the notch. The other side wall of the receiving groove is provided with a circumferential wall extending in the axial direction and away from the receiving groove. The brush roller body includes a main body part and a brush part, the circumferential wall of the receiving groove extends towards the brush part, the circumferential wall is located radially outside the main body part, the circumferential wall and the brush part are arranged in axial opposition, the brush part includes a first brush cloth and a second brush cloth spliced together, the hardness of the first brush cloth is greater than that of the second brush cloth, the area occupied by the first brush cloth is smaller than that of the second brush cloth, the first brush cloth and the second brush cloth are both in the form of strips, and the first brush cloth and the second brush cloth are spirally wound and fixed around the outer periphery of the main body part.

2. The rolling brush joint of claim 1, wherein, The side wall is rounded at the entrance position of the notch.

3. The rolling brush joint of claim 1, wherein, The depth of the notch is 4mm-6mm.

4. The rolling brush interface of claim 1, wherein, The width of the notch is 1.5mm-3mm.

5. The rolling brush interface of claim 1, wherein, The receiving groove is an annular groove.

6. The rolling brush interface of claim 1, wherein, The width of the receiving groove is 2mm-4mm.

7. The rolling brush interface of claim 1, wherein, The distance from the outer edge of the side wall to the center line of the brush roller joint is 38mm-42mm.

8. The roll brush assembly of any one of claims 1-7, wherein, The end of the brush roller joint is inwardly recessed to form a receiving cavity (133), and the inside of the receiving cavity (133) is provided with a tooth portion (132).

9. The rolling brush joint of claim 8, wherein, The tooth portion (132) includes at least two meshing teeth (1321).

10. The rolling brush interface of claim 9, wherein, The at least two meshing teeth (1321) are uniformly distributed along the circumference of the receiving cavity (133).

11. The rolling brush interface of claim 9, wherein, The number of meshing teeth (1321) is six.

12. The rolling brush interface of claim 9, wherein, The height of the meshing teeth (1321) is 3mm-6mm.

13. The rolling brush interface of claim 8, wherein, The depth of the receiving cavity (133) is 12mm-16mm.

14. The rolling brush interface of claim 9, wherein, The brush roller joint (13) is also provided with a receiving hole (134), and the receiving cavity (133) and the receiving hole (134) are in communication.

15. The rolling brush interface of claim 14, wherein, The depth of the receiving hole (134) is 5mm-7mm.

16. A rolling brush device (1) comprising a rolling brush body (11), characterized in that, The brush roller joint as claimed in any one of claims 1-15.

17. A vacuum cleaner comprising: The brush roller device (1) as claimed in claim 16.

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