Roller assembly and sweeping robot

Abstract

The invention discloses a roller assembly and a sweeping robot. Wherein the roller assembly comprises a roller, a fixing shaft, a cutting piece and a transmission chain connector, a guide assembly is arranged on the surface of the roller, the guide assembly is obliquely arranged in the axial direction of the roller, and a collecting opening is formed in the roller. The fixing shaft is sleeved with the roller, and the roller can rotate relative to the fixing shaft. The cutting piece is located in the roller, fixedly arranged on the fixing shaft and located below the collecting opening. One end of the roller is connected with the transmission chain connector, and the transmission chain connector is used for being connected with a driving piece. According to the roller assembly, filaments can be collected to the collecting opening and cut through the cutting piece, the filaments do not need to be manually cleaned, the sanitation problem can be reduced, and the cleaning efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cleaning equipment, and in particular to a roller assembly and a sweeping robot. Background Art

[0002] Cleaning devices such as sweeping robots use roller brushes to clean impurities on the ground. When the roller brush contacts the ground or carpet, it is easy to get entangled with filaments such as hair. When too many filaments are entangled on the roller brush, it will affect the cleaning effect and even get stuck on the roller, affecting the service life of the sweeping robot. At present, hair and other filaments are cleaned manually. The cleaned hair and other filaments usually carry dust and dirt, which are easy to come into contact with during manual cleaning, posing hygiene problems. During the cleaning process, the hair and other filaments entangled on the roller brush need to be picked out or cut off, which seriously reduces the cleaning efficiency. Summary of the invention

[0003] The main purpose of the present invention is to provide a roller assembly and a sweeping robot, which aims to solve the hygienic problems and technical problems of reduced cleaning efficiency in manual cleaning of filaments such as hair.

[0004] In order to achieve the above-mentioned object of the invention, the present invention provides a roller assembly and a sweeping robot.

[0005] A roller assembly, comprising:

[0006] A drum, wherein a guide assembly is arranged on the surface of the drum, and the guide assembly is arranged obliquely along the axial direction of the drum, and a collecting port is opened on the drum;

[0007] A fixed shaft, wherein the fixed shaft is sleeved in the drum, and the drum can rotate relative to the fixed shaft;

[0008] A cutting member, the cutting member is located in the drum and fixedly disposed on the fixed shaft, and the cutting member is located below the collecting port;

[0009] A transmission link joint, one end of the drum is connected to the transmission link joint, and the transmission link joint is used to be connected to a driving member.

[0010] In one embodiment, the cutting element is arranged non-perpendicularly to the axial direction of the fixed shaft.

[0011] In one embodiment, the roller assembly further comprises a bearing, wherein an inner side wall of an inner ring of the bearing is connected to the fixed shaft, and an outer side wall of an outer ring of the bearing is connected to the roller.

[0012] In one of the embodiments, the roller assembly further includes a fixing member, one end of the fixing shaft is fixed to the fixing member, and the fixing member is coaxially arranged opposite to the transmission chain joint.

[0013] In one of the embodiments, the guide assembly includes bristles and guide strips, the bristles and the guide strips are arranged in the same path, and the bristles are arranged toward the collecting port.

[0014] In one of the embodiments, the arrangement path of the guide assembly is in a spiral shape, a V shape, or a W shape around the axial direction of the roller.

[0015] In one embodiment, a plurality of guide assemblies are provided, and the plurality of guide assemblies include a first guide assembly and a second guide assembly, wherein the first guide assembly is tiltedly arranged from one end of the roller along the axial direction of the roller, and the second guide assembly is tiltedly arranged from the other end of the roller along the axial direction of the roller, and the ends close to the first guide assembly and the second guide assembly are staggered.

[0016] In one embodiment, the roller includes a first roller and a second roller, the first roller is provided with the first guide assembly, the second roller is provided with the second guide assembly, and the first roller is detachably connected to the second roller.

[0017] In one of the embodiments, along the axial direction of the drum, the collecting port is disposed in the middle of the drum, and the collecting port is located between the first guide assembly and the second guide assembly.

[0018] In one of the embodiments, the collection box further comprises a sealing plate, which is rotatably disposed on the inner side wall of the collection port, and the sealing plate is used to seal or open the collection port.

[0019] Beneficial effects:

[0020] The drum assembly of the present invention includes a drum, a fixed shaft, a cutting member and a transmission chain joint. When working, the drum rotates relative to the fixed shaft to drive the guide assembly to rotate relative to the fixed shaft. The rotating guide assembly contacts the ground or carpet and collects the filaments on the ground or carpet at a collection port. The cutting member is located in the drum, and the cutting member is fixedly arranged on the fixed shaft, and the cutting member is located below the collection port. The drum can rotate relative to the cutting member so that the filaments at the collection port are cut by the cutting member. The drum assembly can collect the filaments to the collection port and perform cutting processing through the cutting member, without the need to manually clean the filaments, which can reduce hygiene problems and improve cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a structural schematic diagram of a roller and a sweeping robot according to an embodiment of the present invention.

[0022] Figure 2 It is a schematic structural diagram of the roller and the sweeping robot from another angle according to an embodiment of the present invention.

[0023] Figure 3 Schematic diagram of the structure of a roller according to an embodiment of the present invention.

[0024] Figure 4 1 is a diagram showing the internal structure of a drum according to an embodiment of the present invention.

[0025] Figure 5 It is a schematic structural diagram of a collection box according to an embodiment of the present invention.

[0026] in:

[0027] 10. Sweeping robot;

[0028] 100. Cutting pieces;

[0029] 200, roller; 210, collecting port; 230, first roller; 240, second roller;

[0030] 300, fixed axis;

[0031] 400, transmission link connector;

[0032] 500, guide assembly; 510, bristles; 520, guide strip;

[0033] 610, fixings;

[0034] 700, bearing; 710, first bearing; 720, second bearing.

[0035] 800, collection box; 810, collection port; 820, sealing plate.

[0036] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] like Figures 1 to 5As shown, in some embodiments, a drum assembly includes a cutting member 100, a drum 200, a fixed shaft 300 and a transmission link joint 400. A guide assembly 500 is provided on the surface of the drum 200, and the guide assembly 500 is tilted along the axial direction of the drum 200, and a collection port 210 is provided on the drum 200. The fixed shaft 300 is sleeved in the drum 200, and the drum 200 can rotate relative to the fixed shaft 300. The cutting member 100 is located in the drum 200, and the cutting member 100 is fixedly arranged on the fixed shaft 300, and the cutting member 100 is located below the collection port 210. The transmission link joint 400 is connected to one end of the drum 200. The transmission link joint 400 is used to connect with a driving member. The drum 200 can rotate relative to the fixed shaft 300 to drive the guide assembly 500 to rotate relative to the fixed shaft 300, and the guide assembly 500 collects the filaments in the collection port 210, so that the cutting member 100 cuts the filaments. Specifically, the cutting member 100 may be a cutting blade. The filament may be hair.

[0042] During operation, the drum 200 rotates relative to the fixed shaft 300 to drive the guide assembly 500 to rotate relative to the fixed shaft 300. The rotating guide assembly 500 contacts the ground or carpet and collects the filaments on the ground or carpet at the collecting port 210. The cutting member 100 is fixedly arranged on the fixed shaft 300, and the cutting member 100 is located below the collecting port 210. The drum 200 can rotate relative to the cutting member 100, so that the collecting port 210 of the drum 200 and the filaments in the collecting port 210 rotate relative to the cutting member 100, and then the filaments in the collecting port 210 are cut by the cutting member 100. The drum assembly can collect the filaments to the collecting port 210, and cut them through the cutting member 100, without the need to manually clean the filaments, which can reduce hygiene problems and improve cleaning efficiency.

[0043] In some embodiments, the cutting member 100 is tilted relative to the axial direction of the fixed shaft 300. That is, the cutting member 100 is arranged at an angle to the axial direction of the fixed shaft 300. The angle of the angle can be an acute angle or an obtuse angle. By tilting the cutting member 100, the angle at which the cutting member 100 contacts the filament can be adjusted. Adjustment of the angle enables the cutting member 100 to cut the filament at a more favorable angle, thereby improving the efficiency and quality of the cutting. Compared with a vertically arranged cutting member 100, the tilted cutting member 100 can better adapt to the movement direction and shape of the filament in the drum 200, thereby achieving a smoother cutting process.

[0044] In some embodiments, the cutting member 100 is arranged non-perpendicularly to the axial direction of the fixed shaft 300. That is, the angle between the cutting member 100 and the axial direction of the fixed shaft 300 may not be 90°. The angle between the cutting member 100 and the axial direction of the fixed shaft 300 may be 0° to 90° and 90° to 180°.

[0045] It should be noted that the inclined guide assembly 500 on the surface of the drum 200 can effectively collect the filaments on the ground to the collection port 210. This arrangement can improve the collection efficiency of the filaments, reduce the filaments from being entangled on the drum 200, and avoid affecting the normal operation of the drum assembly. The cutting member 100 is located below the collection port 210, and can cut the collected filaments to avoid clogging or entanglement with other components due to excessive length of the filaments, thereby improving the working stability and reliability of the drum assembly.

[0046] In some embodiments, the collecting opening 210 may be arranged along the circumferential direction of the drum 200. The collecting opening 210 may also be a gap arranged along the circumferential direction of the drum 200. In this way, the collecting opening 210 can contact the filaments collected by the guide assembly 500 in a wider range during the rotation of the drum 200, thereby improving the collection and cutting efficiency of the filaments.

[0047] Specifically, a mounting cavity is provided inside the drum 200. The mounting cavity is communicated with the collecting port 210, and the cutting member 100 is disposed in the mounting cavity. Such a configuration can prevent the cutting member 100 from colliding with and being damaged by external objects. Various obstacles may be encountered during the operation of the drum assembly, and the wall of the mounting cavity can provide a physical barrier for the cutting member 100, reducing the risk of damage to the cutting member 100. In addition, this configuration can prevent the user from accidentally touching the cutting member 100 and getting injured when cleaning or operating the drum assembly.

[0048] The fixed shaft 300 is connected to the cutting member 100 to fix the cutting member 100. The rotating cutting member 100 has a large kinetic energy and a large range of motion, which can easily damage the carpet or other structures, posing a safety hazard. Compared with the rotating cutting member 100, the fixed cutting member 100 can reduce the damage caused by accidental contact.

[0049] In some embodiments, the drum assembly further includes a fixing member 610, and one end of the fixing shaft 300 is fixed to the fixing member 610. The fixing member 610 is coaxially arranged opposite to the transmission link joint 400.

[0050] It should be noted that the fixing member 610 and the transmission link joint 400 are coaxially arranged relative to each other to ensure that the relative position of the rotation axis of the drum 200 and the fixed shaft 300 is stable, which is conducive to achieving precise rotation and cutting operations.

[0051] Specifically, the transmission link joint 400 is used to be connected to a driving member, and the driving member is used to drive the transmission link joint 400 to rotate relative to the fixed shaft 300, so as to drive the drum 200 to rotate relative to the fixed shaft 300. The driving member may be a motor.

[0052] In some embodiments, the drum assembly further includes a bearing 700. The inner sidewall of the inner ring of the bearing 700 is connected to the fixed shaft 300, and the outer sidewall of the outer ring of the bearing 700 is connected to the drum 200. The bearing 700 can reduce the friction resistance between the drum 200 and the fixed shaft 300, so that the drum 200 can smoothly rotate around the fixed shaft 300.

[0053] Specifically, the bearing 700 may be provided in plurality, and the plurality of bearings 700 are disposed between the drum 200 and the fixed shaft 300 at intervals.

[0054] More specifically, a first bearing 710 is provided at one end of the drum 200 away from the transmission link joint 400. The end of the drum 200 away from the transmission link joint 400 is close to the fixing member 610. The first bearing 710 can not only reduce the friction between the drum 200 and the fixing shaft 300, but also support the end of the drum 200 away from the transmission link joint 400, bear the weight and external force from the drum 200, and ensure the stability and balance of the drum 200 during the rotation process. The supporting function of the first bearing 710 can prevent the drum 200 from sinking, shaking or deforming at the end away from the transmission link joint 400, and ensure the smooth rotation of the drum 200.

[0055] Specifically, a second bearing 720 is provided at one end of the fixed shaft 300 away from the fixing member 610. The end of the fixed shaft 300 away from the fixing member 610 is close to the transmission chain joint 400. The second bearing 720 can provide support and stability for the fixed shaft 300, reducing the shaking and deviation of the fixed shaft 300 at this location. Through the cooperation of the first bearing 710 and the second bearing 720, the integrity of the fixed shaft 300 and the drum 200 is enhanced, so that the drum 200 can rotate smoothly relative to the fixed shaft 300, so that the cutting member 100 on the fixed shaft 300 can stably cut the filaments on the collecting port 210, thereby improving the cleaning efficiency of the drum assembly.

[0056] In some embodiments, the guide assembly 500 includes bristles 510 and guide strips 520, and the bristles 510 and the guide strips 520 are arranged in the same path.

[0057] Specifically, the arrangement path of the guide assembly 500 is spiral, V-shaped or W-shaped around the axial direction of the drum 200. That is, the arrangement path of the bristles 510 and the guide strips 520 is spiral, V-shaped or W-shaped around the axial direction of the drum 200.

[0058] It should be noted that the guide assembly 500 may be composed of bristles 510 and guide strips 520. The bristles 510 and guide strips 520 cooperate to achieve the function of guiding and collecting the filaments, and guide the filaments into the collection port 210 for processing through a specific arrangement path. The distribution of the bristles 510 and the guide strips 520 on the surface of the drum 200 is consistent. Such an arrangement can ensure that during the filament collection process, the bristles 510 and the guide strips 520 work together to guide the filaments to the collection port 210.

[0059] For example, if the arrangement path of the bristles 510 and the guide strips 520 is V-shaped, the bristles 510 and the guide strips 520 will be arranged in sequence on the surface of the drum 200 along the V shape. This arrangement allows the filaments to be affected by the bristles 510 and the guide strips 520 at the same time when they contact the drum 200.

[0060] Specifically, the bristles 510 are arranged toward the collection port 210. In this way, the filaments can be directly guided toward the collection port 210. When the drum 200 rotates, the nylon hairs come into contact with the ground, and the bristles 510 pick up the filaments and push them toward the collection port 210. At the same time, the guide bar 520 also guides the filaments in the same direction to ensure that the filaments can smoothly enter the collection port 210.

[0061] Specifically, the bristles 510 may be nylon bristles, which have certain flexibility and wear resistance.

[0062] Specifically, the guide strip 520 may be a guide rubber strip, which may be deformed when in contact with the filament, so as to better fit the shape of the filament and ensure that the filament moves along a predetermined arrangement path.

[0063] In some embodiments, a plurality of guide assemblies 500 are provided. The plurality of guide assemblies 500 include a first guide assembly 500 and a second guide assembly 500, wherein the first guide assembly 500 is tiltedly arranged along the axial direction of the drum 200 from one end of the drum 200, and the second guide assembly 500 is tiltedly arranged along the axial direction of the drum 200 from the other end of the drum 200, and the first guide assembly 500 and the second guide assembly 500 are staggered at the ends close to each other.

[0064] Specifically, multiple groups of bristles 510 are provided. The multiple groups of bristles 510 include first bristles 510 and second bristles 510. The first bristles 510 are tiltedly arranged along the axial direction of the drum 200 from one end of the drum 200, and the second bristles 510 are tiltedly arranged along the axial direction of the drum 200 from the other end of the drum 200, and the ends of the first bristles 510 and the second bristles 510 close to each other are staggered. When the filaments are gathered to the collection port 210, the first bristles 510 and the second bristles 510 will not affect the filaments from entering the collection port 210, which is equivalent to providing an avoidance space for the filaments to enter the collection port 210, so as to facilitate the filaments to enter the collection port 210.

[0065] Specifically, multiple groups of guide bars 520 are provided. The multiple groups of guide bars 520 include a first guide bar 520 and a second guide bar 520. The first guide bar 520 is tiltedly arranged along the axial direction of the drum 200 from one end of the drum 200, and the second guide bar 520 is tiltedly arranged along the axial direction of the drum 200 from the other end of the drum 200, and the ends of the first guide bar 520 and the second guide bar 520 close to each other are staggered. When the filaments are gathered to the collection port 210, the first guide bar 520 and the second guide bar 520 will not affect the filaments from entering the collection port 210, which is equivalent to providing an avoidance space for the filaments to enter the collection port 210, so as to facilitate the filaments to enter the collection port 210.

[0066] In some embodiments, along the axial direction of the drum 200, the collecting port 210 is arranged in the middle of the drum 200, and the collecting port 210 is located between the first guide assembly 500 and the second guide assembly 500. In this way, the first guide assembly 500 and the second guide assembly 500 respectively guide the filaments to the collecting port 210 from different directions, forming a relatively concentrated filament collection and cutting area, thereby improving the cutting efficiency of the cutting member 100 on the filaments. The collecting port 210 is arranged in the middle of the drum 200 and between the first guide assembly 500 and the second guide assembly 500, which can shorten the path of the filaments to the greatest extent, reduce the time of the filaments in the transmission process, and improve the cutting efficiency.

[0067] In some embodiments, the drum 200 includes a first drum 230 and a second drum 240. The first drum 230 is provided with a first guide assembly 500, and the second drum 240 is provided with a second guide assembly 500, and the first drum 230 and the second drum 240 are detachably connected. In this way, the first drum 230 and the second drum 240 can be quickly separated and assembled, which is convenient for maintenance, replacement, cleaning and other operations.

[0068] Specifically, the fixing member 610 may be disposed on the first roller 230 .

[0069] Specifically, the first roller 230 and the second roller 240 may be snap-connected.

[0070] like Figure 5 As shown, in some embodiments, a sweeping robot 10 includes the above-mentioned roller assembly. The collection box 800 also includes a sealing plate 820. The sealing plate 820 is rotatably disposed on the inner side wall of the collection port 810. The sealing plate 820 is used to seal or open the collection port 810. The rotation of the sealing plate 820 can be connected by a hinge or a rotating shaft, etc. When collecting the cut filaments, the collection port 810 is opened, and the cut filaments pass through the collection port 810 into the collection box 800. After the cutting of the filaments is completed, the sealing plate 820 can close the collection port 810 to prevent the filaments from leaking out of the collection port 810.

[0071] Specifically, the cleaning robot 10 further includes a suction fan which is disposed in the housing and can suck the cut filaments into the collection box 800 .

[0072] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A drum assembly, characterized in that: include: A drum, wherein a guide assembly is arranged on the surface of the drum, and the guide assembly is arranged obliquely along the axial direction of the drum, and a collecting port is opened on the drum; A fixed shaft, wherein the fixed shaft is sleeved in the drum, and the drum can rotate relative to the fixed shaft; A cutting member, the cutting member is located in the drum and fixedly disposed on the fixed shaft, and the cutting member is located below the collecting port; A transmission link joint, one end of the drum is connected to the transmission link joint, and the transmission link joint is used to be connected to a driving member.

2. The drum assembly according to claim 1, characterized in that: The cutting element is arranged non-perpendicularly to the axial direction of the fixed shaft.

3. The drum assembly according to claim 1, characterized in that: The roller assembly further comprises a bearing, wherein an inner side wall of an inner ring of the bearing is connected to the fixed shaft, and an outer side wall of an outer ring of the bearing is connected to the roller.

4. The drum assembly according to claim 2, characterized in that: The roller assembly also includes a fixing member, one end of the fixing shaft is fixed to the fixing member, and the fixing member is coaxially arranged opposite to the transmission chain joint.

5. The drum assembly according to claim 1, characterized in that: The guide assembly includes bristles and guide strips. The bristles and the guide strips have the same arrangement path, and the bristles are arranged toward the collecting port.

6. The drum assembly according to claim 1, characterized in that: The arrangement path of the guide assembly is in one of a spiral shape, a V shape or a W shape around the axial direction of the roller.

7. The drum assembly according to claim 1, characterized in that: The guide assemblies are provided in plurality, and the plurality of guide assemblies include a first guide assembly and a second guide assembly. The first guide assembly is tiltedly arranged at one end of the roller along the axial direction of the roller, and the second guide assembly is tiltedly arranged at the other end of the roller along the axial direction of the roller, and the ends close to the first guide assembly and the second guide assembly are staggered.

8. The drum assembly according to claim 7, characterized in that: The roller comprises a first roller and a second roller, the first roller is provided with the first guide assembly, the second roller is provided with the second guide assembly, and the first roller is detachably connected to the second roller.

9. The drum assembly according to claim 7, characterized in that: Along the axial direction of the drum, the collecting port is arranged in the middle of the drum, and the collecting port is located between the first guide assembly and the second guide assembly.

10. A sweeping robot, characterized in that: The drum assembly according to any one of claims 1 to 9.

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