Middle sweeping cleaning structure and cleaning robot

Abstract

The middle sweeping cleaning structure comprises a middle sweeping support, a cover plate and a rolling brush assembly, the cover plate and the middle sweeping support are arranged in a floating connection mode, at least one baffle is arranged on the cover plate, the baffle protrudes out of an opening and is obliquely arranged towards the ground, the baffle is arranged close to the two rotating ends of the rolling brush assembly, and the rolling brush assembly is arranged close to the middle sweeping support. Annular anti-winding looped piles are arranged at the two rotating ends of the rolling brush assembly respectively, a first bearing position is arranged on the cover plate, the first bearing position corresponds to the position where the looped piles are located and can be connected with the looped piles in a matched mode, and the rolling brush assembly further comprises a fixing shaft used for supporting rotation and an end cover arranged on the fixing shaft in a sleeving mode. A clamping part is arranged on the end cover along the inner circumferential face, connected with the fixing shaft, of the end cover in a protruding mode, a clamping groove is formed in the end, connected with the end cover in a matched mode, of the fixing shaft, and the clamping part is connected with the clamping groove in a matched mode to limit rotation of the end cover. According to the technical scheme, hair is prevented from winding and remaining at the two ends of the rolling brush assembly, assembly parts are reduced, and assembly efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cleaning equipment technical field, especially a kind of middle sweep cleaning structure and cleaning robot. BACKGROUND

[0002] Nowadays, cleaning robots are increasingly entering people's family life, and through intelligent control, they solve the ground cleaning work for users. However, the ground environment is very complex, and there are usually a lot of hair, debris and other dirt. During the working process of the cleaning robot, the side sweeping assembly performs a rotating cleaning motion, and there is a probability that the hair, debris and other dirt will be kicked away. The kicked dirt flies uncontrollably in all directions and usually accumulates in the gap between the two shafts of the middle sweep roller brush assembly. Due to the entanglement of the hair, this will reduce the cleaning rate of the roller brush at the bottom of the bottom shell. Moreover, due to the continuous rotation of the middle sweep roller brush assembly, some dirt will remain on both sides of the roller brush, which poses a considerable challenge to the cleaning work of the cleaning robot and causes great inconvenience to the user. SUMMARY

[0003] The utility model embodiment provides a kind of middle sweep cleaning structure and cleaning robot, can be conducive to preventing hair to be entangled to the both ends of roller brush assembly, it is conducive to reducing assembly parts, improve assembly efficiency.

[0004] In the first aspect, the utility model embodiment provides a kind of middle sweep cleaning structure, and the middle sweep cleaning structure includes: middle sweep support, cover plate and roller brush assembly. The cover plate is arranged in floating connection with the middle sweep support, the cover plate has opening, and at least one baffle is provided on the cover plate, the baffle is protruded from the opening and is arranged inclinedly towards the ground. The roller brush assembly is connected with the middle sweep support, the baffle is arranged close to the two rotating ends of the roller brush assembly, and the two rotating ends of the roller brush assembly are respectively provided with annular anti-entangled hair ring. The first supporting position is provided on the cover plate, and the first supporting position is arranged corresponding to the position of the hair ring and can be connected with the hair ring. The roller brush assembly further includes a fixed shaft for supporting rotation and an end cover sleeved on the fixed shaft, and the end cover has two clamping portions arranged relatively protruding along the inner peripheral surface thereof engaged with the fixed shaft. One end of the fixed shaft and the end cover is provided with a clamping groove, and the clamping portion and the clamping groove are connected to limit the rotation of the end cover.

[0005] The utility model discloses technical scheme is through setting up the baffle on the cover, and the baffle is close to the two rotating end of rolling brush subassembly and is established, is favorable to prevent the dirt such as hair to be wound to the rotating end of rolling brush subassembly in the rolling brush subassembly rotating process, to avoid the influence rolling brush subassembly's rotation, to improve cleaning efficiency. By being equipped with annular anti -winding hair circle respectively on the two rotating end of rolling brush subassembly, since the cover is floatingly connected with the middle sweep support, is established on the cover with the first bearing position of hair circle and can be closely matched with the hair circle dynamic connection of the position where the hair circle is, the cover is closely connected with the hair circle, is favorable to prevent the dirt such as hair to be wound and remain to the two rotating end of rolling brush subassembly, is favorable to improve the anti -winding ability of rolling brush subassembly, ensure the sustained cleaning ability of rolling brush subassembly when cleaning work. The baffle can guide the dirt that sweeps to the central area of rolling brush subassembly, and the two ends of rolling brush subassembly are provided with hair circle to prevent hair winding, improve the dust collection concentration of rolling brush subassembly, prevent the two rotating end end winding, and the dirt is jammed, and it is favorable to improve the cleaning efficiency. The utility model discloses technical scheme is through being provided with the clamping portion in the inner circumferential surface protruding of end cover, and one end of the fixed shaft is connected with the end cover and is equipped with the clamping groove, and the clamping portion is connected with the clamping groove, prevents the end cover from rotating with the rolling brush support, is convenient for the quick alignment during assembly, and it is favorable to reduce the assembly parts, improve the assembly efficiency.

[0006] According to the foregoing implementation of the first aspect of the utility model, the clamping portion includes a first part and a second part, the first part is connected with the end cover, the second part is connected with the first part and extends towards the axial direction of the end cover, and the first part and the second part have an L-shaped structure. The utility model discloses technical scheme is through setting up the clamping portion with L-shaped structure, and it is favorable to assemble and connect the end cover with the fixed shaft, limit the relative rotation of the end cover and the fixed shaft, prevent the end cover from rotating with the rolling brush support, form a limit in the rotation direction, prevent the end cover from loosening, and it is convenient for alignment during assembly, reduce the assembly parts, and improve the assembly efficiency.

[0007] According to the foregoing implementation of the first aspect of the utility model, the clamping groove is circumferentially arranged along the outer circumferential surface of the fixed shaft, the second part is provided with a guide inclined surface, and the guide inclined surface is rotationally arranged between the clamping groove. The utility model discloses technical scheme is through setting up the guide inclined surface on the second part, and the guide inclined surface is rotationally arranged between the clamping groove, to avoid the influence of the end cover on the rotation of the fixed shaft.

[0008] According to the foregoing implementation of the first aspect of the utility model, the two ends of the rolling brush subassembly are respectively a fixed side and a support side, and hair circles are arranged on both sides. One end of the fixed side is provided with a transmission protruding shaft structure integrally arranged with the rolling brush support, which is used to be in transmission connection with the middle sweep driving assembly to drive the rolling brush subassembly to rotate, and one end of the support side is installed to a preset position on the middle sweep support by the fixed shaft. The rolling brush subassembly further includes a rolling brush support, end columns are arranged at both ends of the rolling brush support, the hair circles are arranged adjacent to the end columns, and the fixed shaft is arranged through one of the end columns.

[0009] According to the foregoing embodiment of the first aspect of the present application, the cover plate further comprises: a second supporting position and a third supporting position. The second supporting position is arranged corresponding to the position of the end cover and can be connected with the end cover. The third supporting position is arranged corresponding to the position of the end column and can be connected with the end column. The technical scheme of the present application sets the second supporting position and the third supporting position corresponding to the position of the end cover and the position of the end column on the cover plate, so that the cover plate is tightly connected with the end cover and the end column, which is beneficial to prevent dirt such as hair from winding and remaining on the two rotating ends of the roller brush assembly, and is beneficial to improve the anti-winding ability of the roller brush assembly and ensure the continuous cleaning ability of the roller brush assembly during cleaning work.

[0010] According to the foregoing embodiment of the first aspect of the present application, the end cover further comprises an end cover protrusion and an end cover body connected with each other, the terry is an elastic ring, and the outer diameters of the end cover protrusion, the end cover body, the end column and the terry are arranged from small to large. The circumferences of the second supporting position, the third supporting position and the first supporting position are arranged from small to large to be connected with the end cover, the end column and the terry respectively. The technical scheme of the present application sets the outer diameters of the end cover protrusion, the end cover body, the end column and the terry from small to large, and the outer diameter of the terry is larger than those of the end cover body and the end cover protrusion. The circumferences of the second supporting position, the third supporting position and the first supporting position are arranged from small to large to be connected with the end cover, the end column and the terry respectively. Since the cover plate is floatingly connected with the middle sweeping support, the second supporting position, the third supporting position and the first supporting position are set to form multi-level supporting in cooperation, from inside to outside, the end cover, the end column and the terry, so that the cover plate and the roller brush assembly form dynamic tight connection, dirt is prevented from winding and remaining on the two rotating ends of the roller brush assembly, which is beneficial to improve the anti-winding ability of the roller brush assembly and ensure the continuous cleaning ability of the roller brush assembly during cleaning work.

[0011] In the second aspect, the embodiment of the present application provides a cleaning robot, which comprises: a bottom shell and a middle sweeping cleaning structure according to any one of the foregoing embodiments of the first aspect of the present application. The bottom shell has a mounting cavity with a sweeping opening facing the ground. The middle sweeping cleaning structure is rotatably mounted in the mounting cavity and arranged towards the ground, and at least part of the structure of the roller brush assembly is exposed to the sweeping opening.

[0012] The utility model discloses technical scheme is through setting up the baffle close to the two rotating ends of the rolling brush subassembly, blocks the dirt such as hair, chippings and so on and hits to fly to the rotating end of the rolling brush subassembly, prevents the dirt such as hair and so on and is wound to the rotating end of the rolling brush subassembly, thereby avoids the influence of the rotation of the rolling brush subassembly, to improve the cleaning efficiency. By being equipped with annular anti-winding hair circle at the two rotating ends of the rolling brush subassembly respectively, being equipped with the first bearing position that can be dynamically closely matched and connected with the hair circle on the cover plate corresponding to the position where the hair circle is, the cover plate is closely connected with the hair circle, is favorable to preventing the dirt such as hair and so on and winding and remaining to the two rotating ends of the rolling brush subassembly, is favorable to improving the anti-winding ability of the rolling brush subassembly, ensures the sustained cleaning ability of the cleaning robot when cleaning. The baffle can guide the dirt that sweeps to the central area of the rolling brush subassembly, the two ends of the rolling brush subassembly are equipped with hair circle and block hair winding, improve the dust collection concentration of the rolling brush subassembly, prevent the winding and the dirt of two rotating ends, and be favorable to improving the cleaning efficiency. The utility model discloses technical scheme is through being equipped with the clamping portion in the inner circumferential surface of the end cover, and one end of the fixed shaft and the end cover cooperation and connection is equipped with the clamping groove, and the clamping portion and the clamping groove cooperation and connection prevent the end cover from rotating with the rolling brush support, facilitate the quick alignment during assembly, and be favorable to reducing the assembly parts, improve the assembly efficiency.

[0013] According to the foregoing embodiment of the second aspect of the utility model, the fourth bearing position and the fifth bearing position are arranged on both sides of the mounting cavity, the fourth bearing position is arranged corresponding to the position of the end cover and can be connected with the end cover, the fifth bearing position is arranged corresponding to the position of the hair circle and can be connected with the hair circle, and an annular limiting position is arranged between the fourth bearing position and the fifth bearing position to separate the fourth bearing position and the fifth bearing position. According to the utility model technical scheme, the fourth bearing position and the fifth bearing position corresponding to the position of the end cover and the position of the hair circle are arranged on both sides of the mounting cavity and can be closely connected with the end cover and the hair circle, which is favorable to preventing the dirt such as hair and so on from winding and remaining to the two rotating ends of the rolling brush subassembly and improving the anti-winding ability of the rolling brush subassembly and ensuring the sustained cleaning ability of the rolling brush subassembly during cleaning.

[0014] According to the foregoing embodiment of the second aspect of the present application, the installation cavity is provided with a flow channel structure which is inclined from the two sides to the middle part, the wall surface of the flow channel structure forms a continuous flow guide channel, the outlet of the flow channel structure is connected with the dust box inlet of the cleaning robot, and is used to guide the dirt into the dust box. The installation cavity is also provided with a comb structure which is located on one side of the flow channel structure to comb and cut the dirt. The comb structure is arranged along the rotation axis direction of the roller brush assembly, the tooth tip of the comb structure is in contact with the roller brush assembly, the comb structure includes a first comb row, a second comb row and a third comb row, the second comb row and the third comb row are arranged side by side, the row where the first comb row is located is arranged opposite to the rows where the second comb row and the third comb row are located, and the third comb row is arranged inclined to the second comb row. According to the technical scheme of the present application, the flow channel structure which is inclined from the two sides to the middle part is arranged in the installation cavity, so that the dirt is prevented from accumulating in the installation cavity, and the dirt can be directly sucked into the inside of the dust box. By arranging the comb structure in the installation cavity, the hair and other dirt can be cut and combed into strips according to the preset size, which helps the dirt to enter the dust box without blocking the flow channel structure, and the comb structure can also comb the hair and other dirt on the roller brush assembly, so that the roller brush assembly can continuously maintain high cleaning rate.

[0015] According to the foregoing embodiment of the second aspect of the present application, the first comb row, the second comb row and the third comb row each include a plurality of convex teeth which are arranged in sequence according to preset interval, the cross section of each convex tooth of the first comb row and the third comb row is trapezoidal, and the cross section of each convex tooth of the second comb row is rectangular. The extension direction of the convex teeth of the first comb row and the second comb row is arranged perpendicular to the axial direction of the roller brush assembly, and the extension direction of the convex teeth of the third comb row is arranged inclined to the axial direction of the roller brush assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to the structures shown in these drawings without creative labor for those skilled in the art.

[0017] Figure 1 It is a whole structure schematic view of one embodiment of the sweeping and cleaning structure in the present application.

[0018] Figure 2 It is a cover plate structure schematic view of one embodiment of the sweeping and cleaning structure in the present application.

[0019] Figure 3 It is an explosion structure schematic view of the roller brush assembly of one embodiment of the sweeping and cleaning structure in the present application.

[0020] Figure 4It is the cross section structure schematic view of the rolling brush assembly of the sweeping cleaning structure one embodiment in the utility model;

[0021] Figure 5 It is the end cover structure schematic view of the sweeping cleaning structure one embodiment in the utility model;

[0022] Figure 6 It is the end cover cross section structure schematic view of the sweeping cleaning structure one embodiment in the utility model;

[0023] Figure 7 It is the bottom shell structure schematic view of the cleaning robot one embodiment in the utility model;

[0024] Figure 8 It is the explosion structure schematic view of the part structure of the cleaning robot one embodiment in the utility model;

[0025] Figure 9 It is the comb tooth structure schematic view of the cleaning robot one embodiment in the utility model;

[0026] Figure 10 It is the schematic view of the rolling brush assembly of the cleaning robot one embodiment installation in installation cavity;

[0027] Figure 11 It is the schematic view of the comb tooth structure of the cleaning robot one embodiment dismounting in installation cavity;

[0028] Figure 12 It is the schematic view of the cleaning robot one embodiment when sweeping ground.

[0029] Explanation of drawing mark:

[0030] Sweeping cleaning structure-100, cleaning robot-200;

[0031] Sweeping support-110, cover plate-120, rolling brush assembly-130, bottom shell-210, edge brush assembly-220;

[0032] Opening-121, baffle-122, first bearing position-123, second bearing position-124, third bearing position-125, terry-131, fixed shaft-132, end cover-133, transmission convex shaft structure-134, rolling brush support-135, end column-136, installation cavity-211, sweeping opening-212, flow channel structure-213, comb tooth structure-214, edge brush-221;

[0033] Flow guide curved surface-1221, clamping groove-1321, clamping part-1331, end cover protrusion-1332, end cover main body-1333, fourth bearing position-2111, fifth bearing position-2112, limiting bone position-2113, first comb tooth row-2141, second comb tooth row-2142, third comb tooth row-2143;

[0034] The first part is P1, the second part is P2, the guide slope is P3, the fixed side is P4, the support side is P5, the comb structure mounting position is P6, and the ground is P7.

[0035] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0037] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0038] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0039] The utility model embodiment provides a kind of middle cleaning structure and cleaning robot, can be favorable to prevent hair winding to the both ends of roll brush assembly, it is favorable to reduce assembly parts, improve assembly efficiency.

[0040] As Figure 1 The utility model embodiment provides a kind of middle cleaning structure 100. Middle cleaning structure 100 includes: middle cleaning support 110, cover plate 120 and roll brush assembly 130. Cover plate 120 is floatingly connected with middle cleaning support 110, as Figure 2As shown, the cover plate 120 has an opening 121, and at least one baffle 122 is arranged on the cover plate 120 and protrudes from the opening 121 and is arranged obliquely towards the ground P7. The rolling brush assembly 130 is connected with the middle sweeping support 110, and the baffle 122 is arranged close to the two rotating ends of the rolling brush assembly 130, as shown in the figure Figure 3 and Figure 8 As shown, the two rotating ends of the rolling brush assembly 130 are respectively provided with annular anti-winding loops 131, and the cover plate 120 is provided with a first supporting position 123 which is arranged corresponding to the position of the loops 131 and can be connected with the loops 131, as shown in the figure Figures 3 to 4 As shown, the rolling brush assembly 130 further comprises a fixed shaft 132 for supporting rotation and an end cover 133 sleeved on the fixed shaft 132, and the end cover 133 has two relatively protruding clamping portions 1331 on the inner circumferential surface thereof which is engaged with the fixed shaft 132, and one end of the fixed shaft 132 which is connected with the end cover 133 is provided with a clamping groove 1321, and the clamping portion 1331 is connected with the clamping groove 1321 to limit the rotation of the end cover 133.

[0041] The technical scheme of the utility model sets the baffle 122 on the cover plate 120, and the baffle 122 is arranged close to the two rotating ends of the rolling brush assembly 130, which is beneficial to prevent dirt such as hair from winding around the rotating ends of the rolling brush assembly 130 during the rotation of the rolling brush assembly 130, thereby avoiding affecting the rotation of the rolling brush assembly 130 and improving the cleaning efficiency. The two rotating ends of the rolling brush assembly 130 are respectively provided with annular anti-winding loops 131, and the cover plate 120 is floatingly connected with the middle sweeping support 110, and the cover plate 120 is provided with a first supporting position 123 which is arranged corresponding to the position of the loops 131 and can be dynamically and tightly connected with the loops 131, and the cover plate 120 is tightly connected with the loops 131, which is beneficial to prevent dirt such as hair from winding around and remaining at the two rotating ends of the rolling brush assembly 130, and is beneficial to improve the anti-winding ability of the rolling brush assembly 130 and ensure the continuous cleaning ability of the rolling brush assembly 130 during cleaning work. The baffle 122 can guide the dirt swept by the side brush assembly 220 to the central area of the rolling brush assembly 130, and the loops 131 arranged at the two ends of the rolling brush assembly 130 can block the winding of hair, thereby improving the dust collection concentration of the rolling brush assembly 130 and preventing the two rotating ends from winding and blocking dirt, which is beneficial to improve the cleaning efficiency. The technical scheme of the utility model sets the clamping portion 1331 on the inner circumferential surface of the end cover 133, and one end of the fixed shaft 132 which is connected with the end cover 133 is provided with a clamping groove 1321, and the clamping portion 1331 is connected with the clamping groove 1321, which prevents the end cover 133 from rotating with the rolling brush support 135, facilitates quick alignment during assembly, is beneficial to reduce assembly parts, and improves assembly efficiency.

[0042] In the embodiment, the middle-sweep support 110 and the cover plate 120 can be in a rectangular structure, a circular structure, a trapezoidal structure or other shape structures, and the opening 121 can be in a rectangular structure, a circular structure or other shape structures. The opening 121 is arranged at the center of the cover plate 120. The cover plate 120 is connected to the middle-sweep support 110 through a floating connector (such as a spring pin or a sliding piece), so that the cover plate 120 can move in a preset floating range, thereby automatically adapting to the height according to the ups and downs of the ground P7, and avoiding that the protrusions on the ground P7 scratch the cover plate 120 and the baffle 122. The baffle 122 and the cover plate 120 can be integrally arranged through one-piece injection molding, or the baffle 122 can be assembled on the cover plate 120, such as bonding, threaded connection, buckle connection or other connection modes. Those skilled in the art can select a suitable connection mode according to the actual situation.

[0043] In the embodiment, two baffles 122 are arranged at the top corners of the opening 121 of the cover plate 120, and the two baffles 122 are arranged along the length direction of the opening 121.

[0044] In the embodiment, the surface of the rolling brush assembly 130 includes at least two brush hairs, the brush hairs are spirally staggered around the circumferential direction of the rolling brush support, extend from one end of the rolling brush support to the other end, and each brush hair includes a plurality of clusters of brush hairs.

[0045] As shown in Figures 5 to 6 The clamping part 1331 includes a first part P1 and a first part P2, the first part P1 is connected with the end cover 133, the first part P2 is connected with the first part P1 and extends towards the axial direction of the end cover 133, and the first part P1 and the first part P2 are in an L-shaped structure. The clamping part 1331 in the L-shaped structure is beneficial to assembling and connecting the end cover 133 and the fixed shaft 132, limits the relative rotation of the end cover 133 and the fixed shaft 132, prevents the end cover 133 from rotating with the rolling brush support, forms a limit in the rotation direction, prevents the end cover 133 from loosening, facilitates alignment during assembly, reduces assembly parts, and improves assembly efficiency. The clamping part 1331 in the L-shaped structure makes the end cover 133 more convenient and stable to install, effectively limits rotation, and improves durability and maintainability.

[0046] As shown in Figure 6 The clamping groove 1321 is arranged along the circumferential direction of the outer circumferential surface of the fixed shaft 132, the first part P2 is provided with a guide inclined surface P3, and the guide inclined surface P3 is rotatably arranged between the clamping groove 1321. The guide inclined surface P3 is arranged on the first part P2, and the guide inclined surface P3 is rotatably arranged between the clamping groove 1321, so as to avoid the influence of the end cover 133 on the rotation of the fixed shaft 132.

[0047] In the embodiment, the baffle 122 has a gap with the rolling brush assembly 130, and the baffle 122 has an arc-shaped flow guide surface 1221 at one end facing the ground P7. The technical scheme of the utility model sets the baffle 122 close to the two rotating ends of the rolling brush assembly 130, sets the annular anti-winding loop 131 at the two rotating ends of the rolling brush assembly 130 respectively, and the arc-shaped flow guide surface 1221 is beneficial to guide the dirt such as hair to the rolling brush assembly 130 or the loop 131, beneficial to prevent the dirt such as hair from winding and remaining at the rotating end of the rolling brush assembly 130 during the rotation of the rolling brush assembly 130, thereby avoiding affecting the rotation of the rolling brush assembly 130, improving the cleaning efficiency, and improving the anti-winding ability of the rolling brush assembly 130 to ensure the continuous cleaning ability of the rolling brush assembly 130 during the cleaning work. In the embodiment, the arc-shaped flow guide surface 1221 is arranged at one end of the baffle 122 facing the ground P7, which can avoid the interference between the baffle 122 and the bristles of the rolling brush assembly 130 during the rotation of the rolling brush assembly 130, so that the rolling brush assembly 130 rotates smoothly. Moreover, the baffle 122 is arranged obliquely, so that the baffle 122 has a gap of 2-3 mm with the surface of the rolling brush assembly 130, and the baffle 122 can dynamically adjust the blocking effect on the dirt during the rotation of the rolling brush assembly 130.

[0048] As shown in Figure 3 , the rolling brush assembly 130 has a fixed side P4 and a support side P5 at the two ends respectively, and the two sides are provided with loops 131. The fixed side P4 is provided with a transmission protruding shaft structure 134 integrally arranged with the rolling brush support 135, which is used for transmission connection with the middle sweeping driving assembly to drive the rolling brush assembly 130 to rotate, and the support side P5 is installed to a preset position on the middle sweeping support 110 by a fixed shaft 132. The rolling brush assembly 130 further comprises a rolling brush support 135, the rolling brush support 135 is provided with end columns 136 at the two ends respectively, the loops 131 are arranged adjacent to the end columns 136, and the fixed shaft 132 is arranged in one of the end columns 136.

[0049] As shown in Figure 8 , the cover plate 120 further comprises a second supporting position 124 and a third supporting position 125. The second supporting position 124 is arranged corresponding to the position of the end cover 133 and can be connected with the end cover 133. The third supporting position 125 is arranged corresponding to the position of the end column 136 and can be connected with the end column 136. The utility model sets the second supporting position 124 and the third supporting position 125 corresponding to the position of the end cover 133 and the position of the end column 136 on the cover plate 120, so that the cover plate 120 is tightly connected with the end cover 133 and the end column 136, which is beneficial to prevent the dirt such as hair from winding and remaining at the two rotating ends of the rolling brush assembly 130, improve the anti-winding ability of the rolling brush assembly 130, and ensure the continuous cleaning ability of the rolling brush assembly 130 during the cleaning work.

[0050] As shown in Figure 5As shown, the end cover 133 further comprises an end cover protrusion 1332 and an end cover body 1333 connected with each other, the terry 131 is an elastic ring, and the outer diameters of the end cover protrusion 1332, the end cover body 1333, the end column 136 and the terry 131 are arranged in sequence from small to large. The circumferences of the second bearing position 124, the third bearing position 125 and the first bearing position 123 are arranged in sequence from small to large to be matched and connected with the end cover 133, the end column 136 and the terry 131 respectively. The outer diameter of the terry 131 is greater than the end cover body 1333 and the end cover protrusion 1332, and the circumferences of the second bearing position 124, the third bearing position 125 and the first bearing position 123 are arranged in sequence from small to large to be matched and connected with the end cover 133, the end column 136 and the terry 131 respectively. Since the cover plate 120 is floatingly connected with the middle sweeping support 110, the second bearing position 124, the third bearing position 125 and the first bearing position 123 are arranged to form a multi-level bearing in cooperation, and the end cover 133, the end column 136 and the terry 131 are arranged in sequence from inside to outside, so that the dynamic close matching connection between the cover plate 120 and the roller brush assembly 130 is formed, the dirty is prevented from winding into the cover plate 120 and the roller brush assembly 130, the hair and the like are prevented from winding and remaining on the two rotating ends of the roller brush assembly 130, the anti-winding ability of the roller brush assembly 130 is improved, and the continuous cleaning ability of the roller brush assembly 130 during cleaning is ensured.

[0051] In the embodiment, the terry 131 is made of an elastic material, such as silica gel or thermoplastic polyurethane rubber, and has flexibility and wear resistance, can be deformed with the rotation of the roller brush assembly 130, and dynamically fits the roller brush assembly 130 to prevent the hair and the like from winding and remaining on the two rotating ends of the roller brush assembly 130. Further, the surface of the terry 131 is coated with a low-friction coating, such as a nano-hydrophobic layer, which is beneficial to reducing the probability of hair adhesion.

[0052] As shown in the drawings, Figure 7 The utility model embodiment further provides a cleaning robot 200, the cleaning robot 200 includes: bottom shell 210, according to any preceding embodiment of the utility model middle sweep cleaning structure 100 and side brush assembly 220. Bottom shell 210 has installation cavity 211, and installation cavity 211 has the sweeping mouth 212 towards ground P7. As shown in the drawings, Figure 1 The middle sweep cleaning structure 100 includes: middle sweep support 110, cover plate 120 and roller brush assembly 130. Cover plate 120 and middle sweep support 110 are floatingly connected, as shown in the drawings, Figure 2As shown, the cover plate 120 has an opening 121, and at least one baffle 122 is arranged on the cover plate 120 and protrudes from the opening 121 and is arranged obliquely towards the ground P7. The rolling brush assembly 130 is connected to the middle sweeping bracket 110, and the baffle 122 is arranged close to the two rotating ends of the rolling brush assembly 130, as shown in the figure. Figure 3 and Figure 8 As shown, the two rotating ends of the rolling brush assembly 130 are respectively provided with annular anti-winding loops 131, and the cover plate 120 is provided with a first supporting position 123 corresponding to the position of the loops 131 and capable of being connected with the loops 131. The rolling brush assembly 130 further includes a fixed shaft 132 for supporting rotation and an end cover 133 sleeved on the fixed shaft 132, and the end cover 133 is provided with a clamping portion 1331 protruding from the inner circumferential surface thereof engaged with the fixed shaft 132. One end of the fixed shaft 132 engaged with the end cover 133 is provided with a clamping groove 1321, and the clamping portion 1331 and the clamping groove 1321 are connected to limit the rotation of the end cover 133. The middle sweeping cleaning structure 100 is rotatably installed in the installation cavity 211 and arranged towards the ground P7, and at least part of the structure of the rolling brush assembly 130 is exposed to the sweeping opening 212. The side brush assembly 220 includes a side brush 221, and the baffle 122 is arranged between the side brush 221 and the rolling brush assembly 130.

[0053] The utility model discloses technical scheme is through setting up the baffle 122 between the side brush 221 and the rolling brush subassembly 130, and the baffle 122 is set up close to the two rotating ends of the rolling brush subassembly 130, and the side brush subassembly 220 is blocked to the rotating end of the rolling brush subassembly 130 with hair, chippings and other dirt, and the hair and other dirt are prevented from winding to the rotating end of the rolling brush subassembly 130, thereby avoiding the influence of the rotation of the rolling brush subassembly 130, to improve the cleaning efficiency.

[0054] As shown in the figure, Figure 8 The fourth bearing position 2111 and the fifth bearing position 2112 are arranged on both sides of the mounting cavity 211, the fourth bearing position 2111 is arranged corresponding to the position of the end cover 133 and can be connected with the end cover 133, the fifth bearing position 2112 is arranged corresponding to the position of the hair ring 131 and can be connected with the hair ring 131, and a ring-shaped limiting bone position is arranged between the fourth bearing position 2111 and the fifth bearing position 2112 to separate the fourth bearing position 2111 and the fifth bearing position 2112.

[0055] As shown in the figure, Figures 8 to 9As shown, the installation cavity 211 is provided with a flow channel structure 214 which is inclined from the two sides to the middle part, the wall surface of the flow channel structure 214 forms a continuous flow guide channel, the outlet of the flow channel structure 214 is connected with the dust box inlet of the cleaning robot 200, so as to guide the dirt into the dust box. In the embodiment, the baffle 122 protrudes from the opening 121 and is arranged in an inclined manner, the flow channel structure 214 is arranged in a converging manner from the two sides to the middle part, the baffle 122 extends outwardly to the outside of the two rotating ends of the roller brush assembly 130, further, the arc-shaped flow guide curved surface 1221 of the baffle 122 and the flow channel structure 214 can form smooth connection, so as to guide the dirt into the flow channel structure 214. In the embodiment, the included angle of the flow channel structure 214 which is inclined from the two sides to the middle part is 15°-25°.

[0056] As shown in the drawings, Figure 9 The installation cavity 211 is also provided with a comb structure 214 which protrudes from the inside, the comb structure 214 is located on one side of the flow channel structure 214 to comb and divide the dirt, the comb structure 214 is arranged in an array along the rotating axis direction of the roller brush assembly 130, the tooth tip of the comb structure 214 is arranged in contact with the roller brush assembly 130, the baffle 122 can guide the dirt swept by the side brush assembly 220 to the central region of the roller brush assembly 130, the two ends of the roller brush assembly 130 are provided with the loop 131 to prevent the hair from winding and blocking the dirt, so as to improve the dust collection concentration of the roller brush assembly 130, prevent the winding and blocking of the dirt at the two rotating ends, and cooperate with the comb structure 214 to clean, which is beneficial to improve the cleaning efficiency.

[0057] As shown in the drawings, Figure 11 The comb structure 214 includes a first comb row 2141, a second comb row 2142 and a third comb row 2143, the second comb row 2142 and the third comb row 2143 are arranged side by side, the row where the first comb row 2141 is located is arranged opposite to the row where the second comb row 2142 and the third comb row 2143 are located, and the third comb row 2143 is arranged in an inclined manner relative to the second comb row 2142. The technical scheme of the utility model is that the installation cavity 211 is provided with the flow channel structure 214 which is inclined from the two sides to the middle part, so as to prevent the dirt from accumulating in the installation cavity 211, and the dirt can be directly sucked into the inside of the dust box. The comb structure 214 arranged in the installation cavity 211 can divide and comb the hair and other dirt into strips according to the preset size, which is helpful for the dirt to enter the dust box without blocking the flow channel structure 214, and the comb structure 214 can also comb the hair and other dirt on the roller brush assembly 130, so that the roller brush assembly 130 can continuously maintain high cleaning rate.

[0058] As shown in the drawings, Figure 11As shown, the first comb row 2141, the second comb row 2142 and the third comb row 2143 each include a plurality of teeth arranged in sequence at preset intervals, the cross section of each tooth of the first comb row 2141 and the third comb row 2143 is trapezoidal, and the cross section of each tooth of the second comb row 2142 is rectangular. The teeth are arranged at equal intervals along the axial direction of the roller brush assembly 130, forming multiple friction and shearing stresses, and the combination of teeth of different shapes and arrangements can effectively disperse and transport entangled objects of various diameters and softness.

[0059] As shown in the drawings, Figure 11 The extension direction of the teeth of the first comb row 2141 and the second comb row 2142 is perpendicular to the axial direction of the roller brush assembly 130. The extension direction of the teeth of the third comb row 2143 is inclined to the axial direction of the roller brush assembly 130. In this embodiment, the extension direction of the teeth of the third comb row 2143 is inclined to the axial direction of the roller brush assembly 130 at an angle of 15°-30°, which enhances the hair cutting effect and prevents dirt from blocking the flow channel structure 214.

[0060] As shown in the drawings, Figure 11 The comb structure 214 can be detachably installed in the mounting cavity 211, such as threaded connection, buckle connection or other connection methods, and those skilled in the art can select appropriate connection methods according to actual conditions, so that users can regularly disassemble the comb structure 214 for cleaning or replace comb parts of different materials or specifications, facilitate user maintenance, prolong the service life of the whole machine and reduce maintenance costs. Further, the surface of the comb structure 214 can be coated with a Teflon coating to reduce hair adhesion and enhance cleaning effect.

[0061] As shown in the drawings, Figure 12 As shown in the drawings, after the cleaning robot 200 starts cleaning, the side brush assembly 220 first sweeps the dirt into the area of the roller brush assembly 130, and the baffle 122 is arranged between the side brush assembly 220 and the roller brush assembly 130 to pre-guide the dirt swept by the side brush assembly 220, and the terry 131 prevents the dirt from being rolled into the two rotating ends when the roller brush assembly 130 rotates. The dirt is first sheared by the comb structure 214 and then sucked into the dust box through the flow channel structure 214. The system of the cleaning robot 200 works cooperatively, taking into account the sweeping of the side brush assembly 220 and the combing and shearing of the dirt of the roller brush assembly 130, which improves the overall cleaning efficiency and use reliability.

[0062] The above description is only a preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by using the contents of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. A mid-scan cleaning structure, characterized by, The middle-sweep cleaning structure comprises: a middle-sweep support; a cover plate, which is arranged in floating connection with the middle-sweep support, has an opening, and is provided with at least one baffle plate that protrudes from the opening and is arranged to be inclined towards the ground; and a rolling brush assembly, which is connected with the middle-sweep support, and has two rotating ends, each of which is provided with an annular anti-winding loop, and the cover plate is provided with a first bearing position that is arranged to correspond to the position of the loop and can be connected with the loop in cooperation, the rolling brush assembly further comprises a fixed shaft for supporting rotation and an end cover that is sleeved on the fixed shaft, the end cover has two clamping portions that are arranged to protrude oppositely along the inner circumferential surface thereof that is engaged with the fixed shaft, and one end of the fixed shaft that is connected with the end cover is provided with a clamping groove, the clamping portion and the clamping groove are connected in cooperation to limit the rotation of the end cover.

2. The mid-scene cleaning structure of claim 1, wherein, The clamping portion comprises a first part and a second part, the first part is connected with the end cover, and the second part is connected with the first part and arranged to extend towards the axial direction of the end cover, and the first part and the second part have an L-shaped structure.

3. The mid-scene cleaning structure of claim 2, wherein, The clamping groove is arranged circumferentially along the outer circumferential surface of the fixed shaft, the second part is provided with a guide inclined surface, and the guide inclined surface and the clamping groove are arranged to rotate in cooperation.

4. The mid-scene cleaning structure of claim 1, wherein, The rolling brush assembly has two ends, each of which is a fixed side and a support side, and both sides are provided with the loop; the rolling brush assembly further comprises a rolling brush support, the rolling brush support has two end columns, the loop is arranged adjacent to the end column, and the fixed shaft is arranged to pass through one of the end columns; one end of the fixed side is provided with a transmission protruding shaft structure that is arranged integrally with the rolling brush support, for being connected in transmission with a middle-sweep driving assembly to drive the rolling brush assembly to rotate, and one end of the support side is mounted to a preset position on the middle-sweep support by the fixed shaft.

5. The mid-scene cleaning structure of claim 4, wherein, The cover plate further comprises: a second bearing position that is arranged to correspond to the position of the end cover and can be connected with the end cover in cooperation; and a third bearing position that is arranged to correspond to the position of the end column and can be connected with the end column in cooperation.

6. The mid-scene cleaning structure of claim 5, wherein, The end cover further comprises an end cover protrusion and an end cover main body that are connected with each other, the loop is an elastic annular member, and the outer diameters of the end cover protrusion, the end cover main body, the end column and the loop are arranged to be successively smaller to larger. The circumferences of the second bearing position, the third bearing position and the first bearing position are arranged to be successively smaller to larger to be connected with the end cover, the end column and the loop in cooperation, respectively.

7. A cleaning robot, characterized in that, The cleaning robot comprises: a bottom shell, which has a mounting cavity with a sweeping opening towards the ground; and the middle-sweep cleaning structure according to any one of claims 1 to 6, which is arranged to rotate and mount in the mounting cavity and towards the ground, and at least part of the structure of the rolling brush assembly is exposed to the sweeping opening.

8. The cleaning robot of claim 7, wherein, The installation cavity is provided with a fourth supporting position and a fifth supporting position on both sides, the fourth supporting position is arranged at a position corresponding to the end cover and can be connected with the end cover, the fifth supporting position is arranged at a position corresponding to the terry pile and can be connected with the terry pile, and an annular limiting position is arranged between the fourth supporting position and the fifth supporting position to separate the fourth supporting position and the fifth supporting position.

9. The cleaning robot of claim 7, wherein, The installation cavity is provided with a flow channel structure arranged from both sides to the middle, a continuous flow channel is formed on the wall surface of the flow channel structure, and the outlet of the flow channel structure is connected with the dust box inlet of the cleaning robot to guide the dirt into the dust box. The installation cavity is further provided with a comb structure, the comb structure is arranged on one side of the flow channel structure to comb and cut the dirt, the comb structure is arranged along the rotation axis direction of the roller brush assembly, and the tooth tip of the comb structure is arranged in contact with the roller brush assembly. The comb structure includes a first comb row, a second comb row and a third comb row, the second comb row and the third comb row are arranged side by side, the first comb row is arranged opposite to the second comb row and the third comb row, and the third comb row is arranged obliquely relative to the second comb row.

10. The cleaning robot of claim 9, wherein, The first comb row, the second comb row and the third comb row each include a plurality of convex teeth arranged in sequence at a preset interval, the cross section of each convex tooth of the first comb row and the third comb row is trapezoidal, and the cross section of each convex tooth of the second comb row is rectangular. The extension direction of the convex teeth of the first comb row and the second comb row is arranged vertically to the axial direction of the roller brush assembly, and the extension direction of the convex teeth of the third comb row is arranged obliquely to the axial direction of the roller brush assembly.

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