Anti-wrapping rotating brush, rotating brush mechanism, and robot vacuum cleaner

Abstract

The present application discloses an anti-wrap rotating brush, a rotary brush mechanism, and a robot vacuum cleaner, wherein the anti-wrap rotating brush comprises a rotary brush case and a cutting mechanism, the rotary brush case has a chamber and a through groove communicating with the chamber, one end of the rotary brush case is a driving end, which is used to connect to a driving member, the other end of the rotary brush case has a fixed part movably connected to it, and the fixed part has a fixed shaft extending into the chamber, the cutting mechanism comprises a connecting member and a blade provided in the chamber, the blade is located in the through groove and movably connected to the rotary brush case, the connecting member is movably connected to the fixed shaft and connected to the blade, the driving end rotates the rotary brush case to rotate the blade and connecting member, thereby moving the connecting member along the fixed shaft and moving the blade relative to the rotary brush case in the axial direction of the fixed shaft to cut hair wrapped around the rotary brush case.

Description

[Technical Field]

[0001] This application claims priority from a Chinese patent application bearing application number 202311391852.3, filed on October 24, 2023, the entire contents of which are incorporated herein by reference.

[0002] The present application relates to the technical field of robot vacuum cleaners, and in particular to an anti-wrap rotating brush, a rotating brush mechanism, and a robot vacuum cleaner. [Background technology]

[0003] As people's demands for hygiene in their living environments gradually increase, cleaning devices such as vacuum cleaners, robot vacuum cleaners, and mop cleaners have appeared one after another. Most common cleaning devices use a rotating brush structure to clean the surface to be cleaned. However, the problem of foreign matter such as hair getting wrapped around the rotating brush during cleaning has been a source of concern for users and manufacturers. This is because, after foreign matter gets wrapped around the rotating brush, it affects the cleaning effect of the cleaning device. Furthermore, the more foreign matter gets wrapped around the rotating brush, the tighter it gets wrapped around the rotating brush during rotation, which increases the rotational resistance of the rotating brush, and is therefore more likely to cause the rotating brush to stick, which in turn affects the cleaning effect of the robot vacuum cleaner. Summary of the Invention [Problem to be solved by the invention]

[0004] The main object of the present application is to provide a winding prevention rotating brush, a rotating brush mechanism, and a robot vacuum cleaner that aim to prevent hair from being wrapped around the rotating brush during cleaning and avoid affecting the cleaning effect. [Means for solving the problem]

[0005] In order to achieve the above object, the present application provides: a rotary brush case having a chamber and a through groove communicating with the chamber, one end of which is a driving end used for connecting to a driving member, and the other end of which is movably connected to a fixed part, and the fixed part is provided with a fixed shaft extending into the chamber; a cutting mechanism including a connecting member and a blade provided in the chamber, the blade being positioned in the through groove and movably connected to the rotary brush case, and the connecting member being movably connected to the fixed shaft and connected to the blade; Including, The driving end rotates the rotary brush case to rotate the blade and the connecting member, thereby moving the connecting member along the fixed shaft and moving the blade along the axial direction of the fixed shaft relative to the rotary brush case, thereby cutting the hair wound around the rotary brush case. We propose a rotating brush that prevents wrapping.

[0006] In one embodiment, a fixed rod is provided in the rotary brush case, the blade is provided with an arc-shaped groove, and the fixed rod is inserted into the arc-shaped groove.

[0007] In one embodiment, sawtooth is provided on the outside of the rotary brush case, and the sawtooth is evenly provided on both sides of the through groove along the axial direction, and one end of the sawtooth away from the through groove is smoothly installed.

[0008] In one embodiment, the rotating brush case includes an upper case and a lower case, the upper case is provided with a connecting rod, the lower case is provided with a connecting hole, the connecting rod is inserted into the connecting hole so as to form the chamber surrounded by the upper case and the lower case and the through groove, the blade is provided with a relief groove, the connecting rod is located in the relief groove, and the relief groove is arranged in an arc shape.

[0009] In one embodiment, a connecting block is provided on the outside of the connecting member, a groove is provided in the blade, and at least a portion of the connecting block is positionally restricted in the groove so that the connecting member moves along the fixed axis and moves the blade along the axial direction of the fixed axis.

[0010] In one embodiment, the connecting member has a through hole formed therein and a closed spiral groove surrounding the through hole, the fixed shaft has a bump, the fixed shaft is inserted into the through hole, and the bump is positioned within the closed spiral groove.

[0011] In one embodiment, the connecting member is provided with a slider, the rotating brush case is provided with a chute, the chute is located within the chamber, and the slider is positionally restricted within the chute.

[0012] In one embodiment, the fixed part includes a fixed block and the fixed shaft, the fixed block is detachably connected to the fixed shaft, the rotating brush case is formed with a port communicating with the chamber and a bearing chamber, a bearing is provided in the bearing chamber, and the fixed shaft is inserted into the port and the bearing and connected to the connecting member.

[0013] The present application further provides a rotary brush mechanism including a mounting case and the above-mentioned anti-wrap rotating brush, wherein the mounting case surrounds and forms a mounting chamber and a driving member is connected to the mounting case, the anti-wrap rotating brush is provided in the mounting chamber, the fixed part is connected to the mounting case, and the driving end is connected to the output end of the driving member.

[0014] The present application further provides a robot vacuum cleaner equipped with the above-mentioned rotating brush mechanism.

[0015] (beneficial effects) In the technical solution of this application, the driving end of the rotary brush case is connected to a driving member, and the driving member drives the rotary brush case to rotate, thereby achieving cleaning. The rotary brush case is provided with a chamber and a through groove communicating with the chamber. A fixed shaft provided on the fixed part enters the chamber and is movably connected to a connecting member. The connecting member is positioned within the chamber of the rotary brush case and is also connected to a blade. When the driving member drives the rotary brush case to rotate, the fixed shaft is fixed and does not move, and the connecting member rotates following the rotary brush case. At this time, the connecting member rotates relative to the fixed shaft, and the fixed shaft urges the connecting member to move along the axial direction of the fixed shaft. The blade in the cutting mechanism is located in the through groove. When the rotary brush case rotates, the blade rotates following the rotary brush case. When the connecting member moves along the axial direction of the fixed shaft, the blade connected to the connecting member moves along the through groove. In this way, hair wrapped around the rotary brush case can be cut, without affecting the cleaning effect of the rotary brush.

[0016] In order to more clearly describe the technical solutions in the embodiments of the present application or the prior art, the following briefly introduces the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on the structures shown in these drawings without creative work. [Brief explanation of the drawings]

[0017] [Figure 1] 1 is a structural schematic diagram of a rotary brush mechanism according to an embodiment of the present application; [Figure 2] 1 is a schematic exploded view of a rotary brush mechanism according to an embodiment of the present invention; [Figure 3] 1 is a schematic diagram of an end surface structure of a rotary brush mechanism according to an embodiment of the present application; [Figure 4] 3 is a schematic diagram of a divided structure of a connection member according to an embodiment of the present application. FIG. [Figure 5]1 is a schematic diagram of a blade structure according to an embodiment of the present application; DETAILED DESCRIPTION OF THE INVENTION

[0018] The realization of the object, functional features and advantages of the present application will be further explained in conjunction with the examples and with reference to the drawings.

[0019] The technical solutions in the embodiments of the present application will be explained clearly and completely below in conjunction with the drawings in the embodiments of the present application, but it is obvious that the explained embodiments are only a part of the embodiments of the present application, and are not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without any creative work fall within the scope of protection of the present application.

[0020] It should be noted that all directional indications (e.g., up, down, left, right, front, back, etc.) in the embodiments of the present application are merely used to interpret the relative positional relationships and movement conditions between each member in a particular posture (as shown in the drawings), and if this particular posture changes, the directional indications will also change accordingly.

[0021] In this application, unless otherwise clearly specified or limited, the terms "connected," "fixed," etc. should be understood in a broad sense. For example, unless otherwise clearly limited, "fixed" may mean a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, an internal communication between two elements, or an interactive relationship between two elements. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific circumstances.

[0022] Furthermore, references to "first," "second," etc. in this application are for descriptive purposes only and should not be understood as indicating or implying the relative importance of, or the number of, the designated technical features. Accordingly, a feature defined by "first" or "second" may explicitly or implicitly include at least one of the feature. Furthermore, the term "and / or" throughout the text means three parallel alternatives, such as "taking A and / or B as an example" including alternative A, alternative B, or alternatives where both A and B are satisfied simultaneously. Furthermore, technical solutions within each embodiment may be combined with one another, but this must be based on what a person skilled in the art can achieve. If a combination of technical solutions contradicts or is not feasible, such a combination of technical solutions does not exist and should be considered outside the scope of protection claimed by this application.

[0023] 1 to 5, the present application proposes an anti-winding rotating brush 100, which includes a rotating brush case 1 and a cutting mechanism 2, the rotating brush case 1 having a chamber 11 and a through groove 12 communicating with the chamber 11, one end of the rotating brush case 1 being a driving end 13 which is used to connect to a driving member, the other end of the rotating brush case 1 having a fixed part 14 movably connected thereto, the fixed part 14 having a fixed shaft 141 extending into the chamber 11, the cutting mechanism 2 including a connecting member 21 and a blade 22 provided within the chamber 11, the blade 22 being positioned in the through groove 12 and movably connected to the rotating brush case 1, the connecting member 21 being movably connected to the fixed shaft 141 and connected to the blade 22. Here, the driving end 13 rotates the rotating brush case 1, thereby rotating the blade 22 and the connecting member 21, thereby moving the connecting member 21 along the fixed shaft 141 and moving the blade 22 along the axial direction of the fixed shaft 141 relative to the rotating brush case 1, thereby cutting the hair wrapped around the rotating brush case 1.

[0024] 1 to 3, the anti-wrap rotary brush 100 comprises a rotary brush case 1 and a cutting mechanism 2. The exterior of the rotary brush case 1 is made of rubber for attachment. One end of the rotary brush case 1 is a driving end 13, and the other end is movably connected to a fixed part 14. The driving end 13 is connected to the output end of a driving member. The driving member drives the rotary brush case 1 to rotate, stirring up debris and facilitating its removal into a dirt box, thereby achieving a cleaning effect. The rotary brush case 1 is formed with a chamber 11 and a through groove 12. The fixed part 14 is provided with a fixed shaft 141. The fixed shaft 141 extends into the chamber 11 of the rotary brush case 1. The connecting member 21 in the cutting mechanism 2 is movably connected to the fixed shaft 141, and the connecting member 21 is also connected to a blade 22. When the driving member drives the rotating brush case 1 to rotate, the fixed shaft 141 provided on the fixed part 14 is fixed and does not move, and the connecting member 21 rotates following the rotating brush case 1. At this time, the connecting member 21 rotates relative to the fixed shaft 141, and the fixed shaft 141 urges the connecting member 21 to move along the axial direction of the fixed shaft 141. The blade 22 in the cutting mechanism 2 is located in the through groove 12, and as the rotating brush case 1 rotates, the blade 22 rotates following the rotating brush case 1, and as the connecting member 21 moves along the axial direction of the fixed shaft 141, the connecting member 21 moves the blade 22 along the axial direction to cut hair wrapped around the rotating brush case 1, preventing hair from continuously wrapping around the rotating brush case 1 and affecting the rotation of the rotating brush case 1 and the cleaning effect of the rotating brush. In this embodiment, the engagement between the fixed shaft 141 and the connecting member 21 allows the driving member to drive and rotate the rotating brush case 1 while simultaneously moving the blade 22 along the axial direction. In this way, there is no need to install a driving member separately on the blade 22, which avoids the need to install unnecessary and complex structures and improves the stability of the cutting mechanism 2.

[0025] In actual practice, a mounting groove for mounting a rubber is formed on the outside of the rotating brush case 1, and the rubber is removably mounted on the rotating brush case 1, making it easy to replace the rubber. When positioned within the through groove 12, at least a portion of the blade 22 protrudes outside the through groove 12, so that the blade 22 can cut hair wrapped around the rotating brush case 1 as it moves along the axial direction, and a protective structure can be provided on the outward side of the through groove 12 to prevent the blade 22 from injuring people.

[0026] In one embodiment, as shown in Figures 2, 3 and 5, a fixed rod 15 is installed inside the rotary brush case 1, an arc-shaped groove 221 is installed in the blade 22, and the fixed rod 15 is inserted into the arc-shaped groove 221.

[0027] In this embodiment, the fixed rod 15 is installed in the chamber 11, and the fixed rod 15 is inserted into the arc-shaped groove 221 of the blade 22, so that the blade 22 is movably connected to the rotating brush case 1 and the blade 22 can rotate following the rotating brush case 1. When the blade 22 moves along the axial direction of the fixed shaft 141 by the connecting member 21, the blade 22 is pressed against the fixed rod 15, and the blade 22 moves in an arc-shaped trajectory. That is, with the blade 22 as the reference, the fixed rod 15 moves within the arc-shaped groove 221 relative to the blade 22. In this way, the fixed rod 15 not only urges the blade 22 to move in the axial direction, but also allows the blade 22 to expand and contract in the direction perpendicular to the axial direction within the through groove 12. This achieves a better cutting effect on the hair wound around the rotating brush case 1, and the arc-shaped groove 221 transitions smoothly, so there is less resistance to the movement of the fixed rod 15 relative to the arc-shaped groove 221, and the movement of the fixed rod 15 relative to the arc-shaped groove 221 is smoother, and the blade 22 does not get caught during movement.

[0028] In actual implementation, the arc degree and arc length of the arc-shaped groove 221 can be adjusted according to the actual cutting effect of the blade 22. The greater the arc degree of the arc-shaped groove 221, the longer the stroke of the blade 22 extending and retracting within the through groove 12. The longer the arc length of the arc-shaped groove 221, the smaller the arc degree and the longer the stroke of the blade 22 moving along the axial direction of the fixed shaft 141.

[0029] In one embodiment, as shown in Figures 1 to 3, sawtooth 16 is provided on the outside of the rotating brush case 1, and the sawtooth 16 is evenly provided on both sides of the through groove 12 along the axial direction, and one end of the sawtooth 16 away from the through groove 12 is smoothly installed.

[0030] In this embodiment, the sawtooth 16 is arranged on the outside of the rotary brush case 1 along the axial direction of the through groove 12, and recesses are formed between the sawtooth 16. When hair is wound around the rotary brush case 1, the hair is caught in the recess as the rotary brush case 1 rotates, and as the blade 22 moves within the through groove 12, the movement range of the protruding part can be located between one end of the recess close to the through groove 12 and one end of the sawtooth 16 remote from the through groove 12. In this way, the blade 22 can not only cut hair caught in the recess, but also will not protrude from the sawtooth 16 and injure someone. The end of the sawtooth 16 remote from the through groove 12 is located smoothly, so that hair wound around the rotary brush case 1 can be easily captured into the recess, improving the efficiency of hair cutting by the cutting mechanism 2.

[0031] In practice, the sawtooth 16 is uniformly spaced apart on both sides of the through groove 12, and the pitch between the sawtooth 16 can be set to 0.1 cm to 0.5 cm, but is not specifically limited thereto.

[0032] In one embodiment, as shown in Figures 2, 3 and 5, the rotating brush case 1 includes an upper case 17 and a lower case 18, the upper case 17 is provided with a connecting pillar 171, the lower case 18 is provided with a connecting hole 181, the connecting pillar 171 is inserted into the connecting hole 181, and the upper case 17 and the lower case 18 surround each other to form a chamber 11 and a through groove 12, and the blade 22 is provided with a relief groove 222, which is arranged in an arc shape.

[0033] In this embodiment, the rotating brush case 1 comprises an upper case 17 and a lower case 18, which are detachably connected to each other via connecting posts 171 and connecting holes 181. The upper case 17 and the lower case 18 surround each other to form a chamber 11, and the connecting posts 171 are inserted into the connecting holes 181, thereby connecting the upper case 17 and the lower case 18 and maintaining a certain distance between them to form a through-slot 12. The blade 22 located in the through-slot 12 is provided with a clearance groove 222 corresponding to the connecting posts 171, and the clearance groove 222 is arranged in an arc shape, thereby reducing the resistance of the connecting posts 171 to the blade 22 when the blade 22 moves relative to the connecting posts 171. The connecting posts 171 are arranged to share the pressure received by the fixed rod 15 when the blade 22 moves, improving the stability of the arc-shaped movement of the blade 22.

[0034] In practice, a threaded hole can be provided in the connecting post 171 so that the connecting post 171 and the connecting hole 181 can be connected via a screw. The pitch between the upper case 17 and the lower case 18 needs to be greater than the thickness of the blade 22 to provide a certain margin for the movement of the blade 22 within the through groove 12 and prevent the blade 22 from getting stuck in the through groove 12 and affecting the cutting effect of the blade 22.

[0035] In one embodiment, as shown in Figures 2 to 5, a connection block 211 is provided on the outside of the connecting member 21, and a groove 223 is provided in the blade 22, and at least a portion of the connection block 211 is positionally restricted by the groove 223, thereby moving the connecting member 21 along the fixed shaft 141 and moving the blade 22 along the axial direction of the fixed shaft 141.

[0036] In this embodiment, a connection block 211 is provided on the outside of the connecting member 21, and the connection block 211 engages with the groove 223 of the blade 22, allowing the connection block 211 to move the blade 22 along the axial direction, thereby cutting the hair wrapped around the blade 22. In the direction perpendicular to the axial direction, the stroke of the connection block 211 in the groove 223 must be greater than the stroke of the blade 22 extending and retracting within the through groove 12, so as to prevent the connection block 211 from coming out of the groove 223 when the blade 22 moves, which would affect the normal operation of the hair cutting mechanism 2.

[0037] In practice, the connecting block 211 can be molded integrally with the connecting member 21. The cross-sectional shape and size of the connecting block 211 and the groove 223 are the same, and the blade 22 includes a fixing portion 14 and a cutting portion, the fixing portion 14 having a uniform thickness and provided with a groove 223 for limiting the position of the connecting block 211 and an arc-shaped groove 221 for inserting the fixing rod 15. This ensures the strength of the blade 22, and the cross-sectional area of ​​the cutting portion gradually decreases from one end close to the inside of the chamber 11 toward the outside of the through groove 12, which is used to cut the wrapped hair.

[0038] In one embodiment, as shown in Figures 2 to 4, a through hole 212 is formed in the connecting member 21, and a closed spiral groove 214 is formed around the through hole 212, a bump 143 is provided on the fixed shaft 141, the fixed shaft 141 is inserted into the through hole 212, and the bump 143 is positioned within the closed spiral groove 214.

[0039] In this embodiment, the fixed shaft 141 is inserted into the through-hole 212 formed in the connecting member 21, allowing the connecting member 21 to rotate around the fixed shaft 141, and a bump 143 is provided on the fixed shaft 141, and the bump 143 is positioned and restricted by the closed spiral groove 214. When the connecting member 21 rotates around the fixed shaft 141, the bump 143 moves within the closed spiral groove 214, using the connecting member 21 as a reference object. The movement path of the bump 143 in the closed spiral groove 214 relative to the connecting member 21 is the actual movement path of the connecting member 21. Thus, the provision of the closed spiral groove 214 converts the rotation of the connecting member 21 into a reciprocating movement along the axial direction of the fixed shaft 141, thereby causing the blade 22 to reciprocate along the axial direction within the threading groove 12 to cut the wrapped hair.

[0040] In practice, to facilitate installation and production of the connecting member 21, the connecting member 21 comprises a first block 215 and a second block 216. The first block 215 and the second block 216 are detachably connected and surround each other to form a closed spiral groove 214. The first block 215 and the second block 216 can be detachably connected via a bolt or a snap fit, and a fixing groove can be provided on the fixed shaft 141, and the bump 143 is positioned within the fixing groove, so that the bump 143 remains stationary when the connecting member 21 rotates, and the first block 215 and the second block 216 can be installed symmetrically.

[0041] In practice, the closed spiral groove 214 has a first surface and a second surface that are opposed and parallel to each other, and the bump 143 is positioned between the first surface and the second surface, with the first surface and the second surface transitioning smoothly, thereby reducing the resistance when the bump 143 moves relative to the closed spiral groove 214. Both the first surface and the second surface have high and low portions that are spaced apart along the axial direction of the fixed shaft 141. With respect to the connecting member 21, when the bump 143 moves from the high portion to the low portion, the blade 22 moves closer to the connecting member 21, and when the bump 143 moves from the low portion to the high portion, the blade 22 moves away from the connecting member 21. A plurality of high and low portions can be provided at intervals within the connecting member 21, thereby increasing the frequency of the reciprocating movement of the blade 22 along the axial direction of the fixed shaft 141.

[0042] In another embodiment, the bump 143 may be provided on the connecting member 21 and positioned within the through hole 212, and the closed spiral groove 214 may be installed on the fixed shaft 141, and the bump 143 may be positioned and restricted within the closed spiral groove 214, so that rotation of the connecting member 21 can be converted into movement along the axial direction of the fixed shaft 141.

[0043] In one embodiment, as shown in Figures 2 to 4, a slider 213 is provided on the connecting member 21, a chute 19 is provided on the rotating brush case 1, the chute 19 is located within the chamber 11, and the slider 213 is restricted in position within the chute 19.

[0044] In this embodiment, a slider 213 is provided on the outside of the connecting member 21, and the slider 213 is positioned within a chute 19 provided on the rotary brush case 1, so that when the rotary brush case 1 rotates, the connecting member 21 can rotate accordingly. The chute 19 is installed to extend along the axial direction of the fixed shaft 141, so that the connecting member 21 can slide along the axial direction of the fixed shaft 141. The length of the chute 19 can be set according to the axial stroke of the connecting member 21, and a positioning groove can be provided on the side wall of the chute 19. A positioning protrusion can be provided on the slider 213 to better position the slider 213 within the chute 19 and allow the slider 213 to slide within the chute 19.

[0045] In practice, the connecting member 21 may be provided with a chute 19 , and a slider 213 may be provided correspondingly in the rotary brush case 1 , and the slider 213 may be positioned within the chute 19 .

[0046] In one embodiment, as shown in Figures 2 and 3, the fixed part 14 includes a fixed block 142 and a fixed shaft 141, the fixed block 142 is removably connected to the fixed shaft 141, the rotating brush case 1 is formed with a port 111 communicating with the chamber 11 and a bearing chamber 112, the fixed shaft 141 is provided to penetrate the port 111 and the bearing chamber 112, a bearing 113 is provided in the bearing chamber 112 and is connected to the connecting member 21.

[0047] In this embodiment, the fixed part 14 and the rotating brush case 1 are connected via a bearing 113, which allows the rotating brush case 1 to rotate relative to the fixed part 14. The fixed part 14 consists of a fixed block 142 and a fixed shaft 141. The fixed block 142 is used to limit and fix the position of the fixed shaft 141. The bearing 113 is limited in position within a bearing chamber 112 formed by being surrounded by the rotating brush case 1. The fixed shaft 141 enters the chamber 11 through a port 111 formed in the rotating brush case 1, passes through the bearing 113 and is connected to the connecting member 21.

[0048] In actual implementation, the cross-sectional shape of the fixed block 142 may be triangular or polygonal, which facilitates the installation of a correspondingly shaped fixed groove, and when the fixed block 142 is positioned within the fixed groove, it will not rotate with the rotating brush case 1. The fixed block 142 and the fixed shaft 141 can be detachably connected via a bolt or an engagement structure, but this is not specifically limited here.

[0049] As shown in FIG. 1, the present application further proposes a rotating brush mechanism 200, which includes a mounting case 3 and an anti-winding rotating brush 100. The specific structure of the anti-winding rotating brush 100 can be referred to the above-mentioned embodiments. Since the present rotating brush mechanism 200 adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects of the technical solutions of the above-mentioned embodiments, and therefore the description thereof will be omitted here.

[0050] In this embodiment, a mounting chamber 31 is formed surrounding the mounting case 3, and a driving member is connected to the mounting chamber 31. The anti-wrap rotating brush 100 is provided in the mounting chamber 31, and the fixed part 14 is connected to the mounting case 3, and the driving end 13 is connected to the output end of the driving member.

[0051] In actual implementation, a driving member mounting chamber 31 is formed at one end of the mounting case 3, the driving member mounting chamber 31 is connected to the mounting, and the driving member is removably mounted in the driving member mounting chamber 31 and connected to the driving end 13. The fixed part 14 of the anti-winding rotating brush 100 is connected to the other end of the mounting chamber 31 so that the fixed part 14 is fixed and does not move when the driving member drives the anti-winding rotating brush 100 to rotate.

[0052] The present application further provides a robot vacuum cleaner, which is equipped with a rotating brush mechanism 200. The specific structure of the rotating brush mechanism 200 can be referred to the above-mentioned embodiments, and since this robot vacuum cleaner employs all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects of the technical solutions of the above-mentioned embodiments, and therefore further description thereof will be omitted here.

[0053] The above are merely some examples of the present application, and do not limit the patent scope of the present application. Under the concept of the present application, the conversion of equivalent structures made using the contents of the specification and drawings of the present application, or direct / indirect operation in other related technical fields, are all included in the patent protection scope of the present application. [Explanation of symbols]

[0054] 100 Anti-wrapping rotating brush 1 rotating brush case 11 Chambers Port 111 112 bearing chamber 113 Bearings 12 Through groove 13 Drive end 14 Fixed part 141 Fixed axis 142 Fixed Block 143 Bump 15 Fixed rod 16 sawtooth 17 Upper Case 171 Connecting column 18 Lower case 181 Connection hole 19 shots 2 Cutting mechanism 21 Connecting member 211 Connection Block 212 Through hole 213 Slider 214 Closed spiral groove 215 First Block 216 Second Block 22 blades 221 Arc groove 222 Undercut 223 Groove 200 Rotating brush mechanism 3 Mounting case 31 Mounting chamber

Claims

1. a rotating brush case having a chamber and a through groove communicating with the chamber, one end of which is a driving end used for connecting to a driving member, and the other end of which is movably connected to a fixed part, the fixed part having a fixed shaft extending into the chamber; a cutting mechanism including a connecting member and a blade provided in the chamber, the blade being positioned in the through groove and movably connected to the rotary brush case, and the connecting member being movably connected to the fixed shaft and connected to the blade; The driving end rotates the rotary brush case to rotate the blade and the connecting member, thereby moving the connecting member along the fixed shaft and moving the blade along the axial direction of the fixed shaft relative to the rotary brush case, thereby cutting the hair wound around the rotary brush case. Anti-wrap rotating brush.

2. A fixed rod is provided in the rotary brush case, The blade is provided with an arcuate groove; The fixing rod is inserted into the arc-shaped groove; The anti-wrap rotating brush according to claim 1.

3. The rotary brush case is provided with sawtooth on the outside, The sawtooth is uniformly provided on both sides of the through groove along the axial direction, The end of the sawtooth that is away from the through groove is smoothly positioned. The anti-wrap rotating brush according to claim 2.

4. The rotating brush case includes an upper case and a lower case, The upper case is provided with a connecting pillar, The lower case is provided with a connecting hole, the connecting post is inserted into the connecting hole so that the chamber surrounded by the upper case and the lower case and the through groove are formed; The blade is provided with a relief groove, The connecting post is located in the undercut groove, The relief groove is arranged in an arc shape; The anti-wrap rotating brush according to claim 3.

5. a connection block is provided on the outside of the connection member; The blade is provided with a groove; At least a portion of the connecting block is positionally restricted in the groove such that the connecting member moves along the fixed shaft to move the blade along the axial direction of the fixed shaft. The anti-wrap rotating brush according to claim 1.

6. The connecting member has a through hole formed therein and a closed spiral groove formed therein that surrounds the through hole, The fixed shaft is provided with a bump, The fixed shaft is inserted into the through hole, The bump is positionally restricted by the closed spiral groove. The anti-wrap rotating brush according to claim 1.

7. The connecting member is provided with a slider, The rotary brush case is provided with a chute, the chute is located within the chamber; The slider is restricted in position within the chute. The anti-wrap rotating brush according to claim 1.

8. the fixed portion includes a fixed block and the fixed shaft, the fixed block is removably connected to the fixed shaft; The rotary brush case is formed with a port communicating with the chamber and a bearing chamber, a bearing is provided in the bearing chamber; the fixed shaft is inserted into the port and the bearing, and is connected to the connecting member; The anti-wrap rotating brush according to claim 1.

9. A mounting case and the anti-wrapping rotating brush according to any one of claims 1 to 8, The mounting case surrounds the mounting chamber and has a drive member connected thereto; The anti-wrap rotating brush is provided in the mounting chamber, the fixing portion is connected to the mounting case, The driving end is connected to the output end of the driving member. Rotating brush mechanism.

10. A rotary brush mechanism according to claim 9 is provided. Robot vacuum cleaner.

Images