Side brush and cleaning robot

Abstract

The present application relates to the technical field of cleaning equipment, and particularly to an edge brush and a cleaning robot. The edge brush provided by the present application comprises a rotating transmission member, a soft rubber connecting member and a plurality of bristle bundles, the soft rubber connecting member is sleeved on the rotating transmission member, and the plurality of bristle bundles are arranged at intervals in the circumferential direction of the soft rubber connecting member; the rotating transmission member and the soft rubber connecting member are connected through a limiting structure. The plurality of bristle bundles are connected to the rotating transmission member through the soft rubber connecting member, and the strength and resilience of the bristle bundles are enhanced through the soft rubber connecting member, so that the bristle bundles can maintain a certain shape when encountering a carpet or a large piece of garbage, thereby maintaining the cleaning ability of the edge brush. Meanwhile, the rotating transmission member and the soft rubber connecting member are connected through the limiting structure, which effectively prevents the soft rubber connecting member from being separated from the rotating transmission member in the radial and axial directions, avoids relative rotation or even falling off between the soft rubber connecting member and the rotating transmission member, and ensures the normal operation of the edge brush.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cleaning equipment, in particular to a side brush and a cleaning robot. BACKGROUND

[0002] With the development of automation technology and artificial intelligence, the demand for intelligent robots is becoming more and more widespread. Cleaning robots can clean the ground and are suitable for various indoor and outdoor environments, such as roads, parks, hotels, and stations.

[0003] During walking, the cleaning robot cleans the road surface through a rolling brush and a side brush. The existing side brush generally has bristles and a connecting piece connected with a driving shaft. The connecting end of the bristles is injection molded on the connecting piece by soft glue. After a long time of use, the soft glue is prone to come off the connecting piece, causing relative rotation or even falling off between the bristle assembly and the connecting piece, which affects the normal work of the side brush. SUMMARY

[0004] The purpose of the present application is to provide a side brush and a cleaning robot to solve the technical problem that the bristle assembly is easily detached from the connecting piece, causing relative rotation or even falling off between the bristle assembly and the connecting piece, which affects the normal work of the side brush.

[0005] The present application provides a side brush, comprising: a rotating transmission member, a soft glue connecting piece, and a plurality of bristle bundles, the soft glue connecting piece is sleeved on the rotating transmission member, and a plurality of the bristle bundles are arranged on the circumference of the soft glue connecting piece.

[0006] The rotating transmission member and the soft glue connecting piece are connected by a limiting structure, and the limiting structure is used to limit the soft glue connecting piece from being radially separated from the rotating transmission member and axially separated from the rotating transmission member.

[0007] As a further technical solution, the soft glue connecting piece has a through hole and a plurality of legs, the rotating transmission member is located in the through hole, and the limiting structure is arranged between the outer side wall of the rotating transmission member and the inner side wall of the through hole, and the legs are one-to-one correspondingly sleeved on the bristle bundles.

[0008] The soft glue connecting piece is formed by secondary injection molding with the rotating transmission member and a plurality of the bristle bundles.

[0009] As a further technical solution, the limiting structure includes a first limiting portion and a second limiting portion arranged on the outer side wall of the rotating transmission member, and a third limiting portion and a fourth limiting portion arranged on the inner side wall of the through hole.

[0010] The first limiting part and the third limiting part are matched with each other to limit the relative rotation between the rotating transmission member and the connecting member, and the second limiting part and the fourth limiting part are matched with each other to limit the relative separation between the rotating transmission member and the connecting member.

[0011] As a further technical solution, the first limiting part comprises a plurality of first grooves arranged circumferentially on the rotating transmission member, and the third limiting part comprises a plurality of first protrusions arranged circumferentially on the through hole, and the first protrusions are arranged one by one in the first grooves.

[0012] The second limiting part comprises at least one second groove arranged on the inner side wall of the first groove, and the second groove is communicated with the first groove, and the fourth limiting part comprises at least one second protrusion arranged on the side wall of the first protrusion, and the second protrusion is arranged one by one in the second groove.

[0013] As a further technical solution, along the circumference of the rotating transmission member, two opposite second grooves are arranged at the groove bottom of the first groove to form a T-shaped groove, and the first groove and the second groove both penetrate the upper end of the rotating transmission member.

[0014] Along the circumference of the through hole, two opposite second protrusions are arranged at the top end of the first protrusion to form a T-shaped protrusion.

[0015] As a further technical solution, the second limiting part further comprises a first tapering structure, and the fourth limiting part further comprises a second tapering structure matched with the first tapering structure.

[0016] The rotating transmission member has a first section and a second section along the direction of the rotation axis, the connecting member has a third section and a fourth section along the extension direction of the through hole, and the first groove and the second groove are both located in the first section, and the first protrusion and the second protrusion are both located in the third section.

[0017] The outer side wall of the second section is tapered from one end close to the first section to one end away from the first section to form the first tapering structure, and the inner side wall of the fourth section is tapered from one end close to the third section to one end away from the third section to form the second tapering structure.

[0018] As a further technical solution, the first limiting part further comprises a plurality of third protrusions arranged circumferentially on the second section, and the third limiting part further comprises a plurality of third grooves arranged circumferentially on the through hole, and the third grooves are located in the fourth section.

[0019] The third protrusions are arranged one by one in the third grooves.

[0020] As a further technical solution, a first shaft hole is formed on the rotating transmission member, and a plurality of convex ribs are arranged on the inner side wall of the first shaft hole in a circumferential direction.

[0021] As a further technical solution, a dustproof cover is further included, and a second shaft hole is formed on the dustproof cover.

[0022] A mounting groove is formed on the upper end surface of the rotating transmission member, the bottom of the mounting groove is provided with the first shaft hole, the dustproof cover is arranged in the mounting groove, and the first shaft hole corresponds to the second shaft hole.

[0023] The cleaning robot provided by the application comprises the side brush.

[0024] Compared with the prior art, the side brush and the cleaning robot provided by the application have the following technical advantages:

[0025] The side brush provided by the application comprises a rotating transmission member, a soft rubber connecting member and a plurality of bristle bundles, the soft rubber connecting member is sleeved on the rotating transmission member, and the plurality of bristle bundles are arranged on the circumferential direction of the soft rubber connecting member in a spaced manner; the rotating transmission member and the soft rubber connecting member are connected through a limiting structure, and the limiting structure is used for limiting the soft rubber connecting member from being separated from the rotating transmission member in a radial direction and in an axial direction.

[0026] The plurality of brushes are connected to the rotating transmission member through the soft rubber connecting member, and the soft rubber connecting member is used to enhance the strength and resilience of the bristle bundles, so that the bristle bundles can maintain a certain shape when encountering a carpet or a large piece of garbage, thereby maintaining the cleaning ability of the side brush. Meanwhile, the rotating transmission member and the soft rubber connecting member are connected through the limiting structure, so that the soft rubber connecting member is effectively prevented from being separated from the rotating transmission member in the radial direction and in the axial direction, and the relative rotation or even the falling off between the soft rubber connecting member and the rotating transmission member is avoided, thereby ensuring the normal operation of the side brush.

[0027] The cleaning robot provided by the application comprises the above-described side brush, and thus the technical advantages and effects achieved by the side brush are achieved, which will not be described in detail here.

[0028] Other features and advantages of the application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the specific embodiments of the application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0030] Figure 1 The edge brush structure schematic diagram provided for the embodiment of the present application;

[0031] Figure 2 The edge brush removes the brush bundle structure schematic diagram provided for the embodiment of the present application;

[0032] Figure 3 The overhead view of the rotating transmission part provided for the embodiment of the present application;

[0033] Figure 4 The side view of the rotating transmission part provided for the embodiment of the present application;

[0034] Figure 5 The overhead view of the soft glue connecting part provided for the embodiment of the present application;

[0035] Figure 6 The side view of the soft glue connecting part provided for the embodiment of the present application;

[0036] Figure 7 The cleaning robot structure schematic diagram provided for the embodiment of the present application.

[0037] Icon: 1-edge brush; 2-rotating transmission part; 3-soft glue connecting part; 4-brush bundle; 5-limiting structure; 6-through hole; 7-branch; 8-first groove; 9-first protrusion; 10-second groove; 11-second protrusion; 12-first section; 13-second section; 14-third section; 15-fourth section; 16-third protrusion; 17-third groove; 18-first shaft hole; 19-convex rib; 20-dust cover; 21-second shaft hole; 22-mounting slot. DETAILED DESCRIPTION

[0038] The technical solutions of the present application will be described clearly and completely below in combination with the embodiments. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the person of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0039] The present application will be described in further detail below through specific example and in combination with the drawings.

[0040] The specific structure is shown as Figures 1 to 7

[0041] ​The embodiment provides a side brush 1, which comprises a rotating transmission part 2, a soft glue connecting part 3 and a plurality of bristle bundles 4, the soft glue connecting part 3 is sleeved on the rotating transmission part 2, and the plurality of bristle bundles 4 are arranged on the circumference of the soft glue connecting part 3 at intervals; the rotating transmission part 2 and the soft glue connecting part 3 are connected through a limiting structure 5, and the limiting structure 5 is used for limiting the soft glue connecting part 3 from separating from the rotating transmission part 2 in the radial direction and in the axial direction.

[0042] In the embodiment, the plurality of brushes are connected to the rotating transmission part 2 through the soft glue connecting part 3, the strength and the rebounding capacity of the bristle bundles 4 are enhanced through the soft glue connecting part 3, the shape is kept when the side brush 1 encounters a carpet or larger garbage, and therefore the cleaning capacity of the side brush 1 is kept. Meanwhile, the rotating transmission part 2 and the soft glue connecting part 3 are connected through the limiting structure 5, the soft glue connecting part 3 is effectively prevented from separating from the rotating transmission part 2 in the radial direction and in the axial direction, the relative rotation and even the falling between the soft glue connecting part 3 and the rotating transmission part 2 are avoided, and the normal work of the side brush 1 is ensured.

[0043] In the optional technical scheme of the embodiment, the soft glue connecting part 3 has a through hole 6 and a plurality of supporting legs 7, the rotating transmission part 2 is located in the through hole 6, a limiting structure 5 is arranged between the outer side wall of the rotating transmission part 2 and the inner side wall of the through hole 6, and the supporting legs 7 are correspondingly sleeved on the bristle bundles 4; the soft glue connecting part 3 is formed through secondary injection molding with the rotating transmission part 2 and the plurality of bristle bundles 4.

[0044] In the embodiment, the soft glue connecting part 3 is formed through secondary injection molding, only the limiting structure 5 needs to be arranged on the rotating transmission part 2, the soft glue connecting part 3 automatically has a structure matched with the limiting structure 5 on the rotating transmission part 2 after being formed, and the through hole 6 and the supporting legs 7 are simultaneously formed, so that the limiting structure 5 is arranged on neither the rotating transmission part 2 nor the soft glue connecting part 3, and the manufacturing is convenient and the structure matching degree is high.

[0045] In the optional technical scheme of the embodiment, the limiting structure 5 comprises a first limiting part and a second limiting part arranged on the outer side wall of the rotating transmission part 2 and a third limiting part and a fourth limiting part arranged on the inner side wall of the through hole 6; the first limiting part and the third limiting part are matched with each other and used for limiting the relative rotation between the rotating transmission part 2 and the connecting part, and the second limiting part and the fourth limiting part are matched with each other and used for limiting the relative separation between the rotating transmission part 2 and the connecting part. Through the matching of the first limiting part and the third limiting part, the relative rotation between the rotating transmission part 2 and the connecting part is limited, and through the matching of the second limiting part and the fourth limiting part, the relative separation between the rotating transmission part 2 and the connecting part is limited, so that the limiting structure 5 can simultaneously limit the axial separation, the radial separation and the relative rotation between the rotating transmission part 2 and the connecting part, and the limiting effect is stable.

[0046] In an optional technical solution of the embodiment, the first limiting part comprises a plurality of first grooves 8 formed in the circumferential direction of the rotating transmission member 2, the third limiting part comprises a plurality of first protrusions 9 arranged in the circumferential direction of the through hole 6, and the first protrusions 9 are arranged one by one in the first grooves 8; the second limiting part comprises at least one second groove 10 arranged on the inner wall of the first groove 8, and the second groove 10 is in communication with the first groove 8; and the fourth limiting part comprises at least one second protrusion 11 arranged on the side wall of the first protrusion 9, and the second protrusion 11 is arranged one by one in the second groove 10.

[0047] Specifically, along the circumferential direction of the rotating transmission member 2, a plurality of first grooves 8 are arranged on the outer side wall of the rotating transmission member 2, the groove wall of the first groove 8 is provided with a second groove 10, and when the soft glue connecting piece 3 is injection molded, the soft glue connecting piece 3 is formed with a first protrusion 9 matched with the first groove 8 and a second protrusion 11 matched with the second groove 10. The structure is simple, and the soft glue connecting piece 3 is convenient for injection molding. At the same time, the cooperation between the first groove 8 and the first protrusion 9 can not only limit the relative rotation of the rotating transmission member 2 and the soft glue connecting piece 3, but also prevent the axial separation of the two, and the cooperation between the second groove 10 and the second protrusion 11 can limit the radial separation of the rotating transmission member 2 and the soft glue connecting piece 3. The overall structure is simple and has good limiting effect. At the same time, the structure is optimized, and the strength and deformation resistance of the edge brush 1 are improved.

[0048] In the embodiment, the second groove 10 can be arranged at any position of the inner wall of the first groove 8, and the second groove 10 can be arranged in any number. Alternatively, at least one protrusion can be arranged on the inner side wall of the first groove 8, and at least one groove can be arranged on the side wall of the first protrusion 9, as long as the requirements are met.

[0049] Preferably, along the circumferential direction of the rotating transmission member 2, two opposite second grooves 10 are arranged at the groove bottom of the first groove 8, and the first groove 8 and the second groove 10 both penetrate the upper end of the rotating transmission member 2; along the circumferential direction of the through hole 6, two opposite second protrusions 11 are arranged at the top end of the first protrusion 9. The two second grooves 10 are symmetrically arranged relative to the first groove 8, the structure is simple, the two second protrusions 11 are balanced in force in the two first grooves 8, damage is avoided, and the first groove 8 and the second groove 10 both penetrate the upper end of the rotating transmission member 2, which is convenient for injection molding of the soft glue connecting piece 3.

[0050] In the embodiment, the first groove 8 and the second groove 10 form a T-shaped groove, and the first protrusion 9 and the second protrusion 11 form a T-shaped protrusion. The structure is simple and convenient to manufacture, and a plurality of T-shaped protrusions can also be arranged on the circumferential direction of the outer side wall of the rotating transmission member 2, and a plurality of T-shaped grooves can be arranged on the soft glue connecting piece 3, which also has the above-mentioned effects.

[0051] Preferably, the two second grooves 10 extend in the circumferential direction of the rotating transmission member 2 by a length greater than the length of the first groove 8 in the radial direction of the rotating transmission member 2, thereby improving the limiting effect.

[0052] In an optional technical solution of the embodiment, the second limiting portion further comprises a first tapered structure, and the fourth limiting portion further comprises a second tapered structure matched with the first tapered structure; the rotating transmission member 2 has a first section 12 and a second section 13 connected in sequence in the direction of the rotation axis, the connecting member has a third section 14 and a fourth section 15 connected in sequence in the extension direction of the through hole 6, and the first groove 8 and the second groove 10 are both located in the first section 12, and the first protrusion 9 and the second protrusion 11 are both located in the third section 14; the outer side wall of the second section 13 is tapered from one end close to the first section 12 to one end away from the first section 12 to form the first tapered structure, and the inner side wall of the fourth section 15 is tapered from one end close to the third section 14 to one end away from the third section 14 to form the second tapered structure.

[0053] In the embodiment, since the first groove 8 and the second groove 10 both pass through the upper end of the rotating transmission member 2 in the direction of the rotation axis of the rotating transmission member 2, in order to avoid that the soft gel connecting member 3 moves upward relative to the rotating transmission member 2 and is separated from the rotating transmission member 2, the rotating transmission member 2 extends downward from the first section 12 and forms the first tapered structure, i.e., the second section 13; after injection molding, the soft gel connecting member 3 forms the second tapered structure, i.e., the fourth section 15, matched with the first tapered structure; the second section 13 cooperates with the fourth section 15 to limit the soft gel connecting member 3 from moving upward relative to the rotating transmission member 2 and being separated from the rotating transmission member 2, thereby ensuring the overall limiting effect and preventing the soft gel connecting member 3 from being relatively fixed with the rotating transmission member 2.

[0054] In an optional technical solution of the embodiment, the first limiting portion further comprises a plurality of third protrusions 16 arranged in the circumferential direction of the second section 13, and the third limiting portion further comprises a plurality of third grooves 17 arranged in the circumferential direction of the through hole 6, and the third grooves 17 are located in the fourth section 15; the third protrusions 16 are arranged in the third grooves 17 one by one.

[0055] In the embodiment, the outer side wall of the second section 13 is provided with third limiting protrusions, and the fourth section 15 is provided with third limiting grooves after injection molding of the soft gel connecting member 3; the third limiting protrusions and the third limiting grooves are matched with each other to limit the relative rotation and axial separation between the second section 13 and the fourth section 15, thereby limiting the relative rotation and axial separation between the rotating transmission member 2 and the soft gel connecting member 3, and further ensuring the stability between the rotating transmission member 2 and the soft gel connecting member 3.

[0056] In an optional technical solution of the embodiment, a first shaft hole 18 is formed in the rotating transmission member 2, and a plurality of protruding ribs 19 are arranged in the circumferential direction on the inner side wall of the first shaft hole 18.

[0057] In the embodiment, the cleaning robot has a driving device, and the outer side wall of the output shaft of the driving device is provided with a plurality of limiting ribs at intervals in the circumferential direction, and a plurality of limiting grooves are formed between the limiting ribs. When the edge brush 1 is installed on the output shaft, the protruding ribs 19 are correspondingly located in the limiting grooves, which facilitates and speeds up the installation and removal, and improves the transmission effect.

[0058] Further, along the direction of the rotation axis of the edge brush 1, the end of the protruding rib 19 towards the limiting rib is provided with a slope, and the end of the limiting rib towards the protruding rib 19 is also provided with a slope. When the edge brush 1 is installed on the output shaft, the slope on the protruding rib 19 cooperates with the slope on the limiting rib to guide the protruding rib 19 into the limiting groove, which improves the installation effect.

[0059] In the optional technical solution of the embodiment, a dust cover 20 is further included, and the dust cover 20 is provided with a second shaft hole 21. The upper end surface of the rotary transmission member 2 is provided with an installation groove 22, and the groove bottom of the installation groove 22 is provided with a first shaft hole 18. The dust cover 20 is arranged in the installation groove 22, and the first shaft hole 18 corresponds to the second shaft hole 21. The output shaft of the driving device passes through the second shaft hole 21 into the first shaft hole 18 to realize transmission connection. The dust cover 20 is detachably connected to the installation groove 22 through bolts and screw holes, which can effectively prevent dust and sundries from entering the first shaft hole 18, and ensures the transmission effect between the edge brush 1 and the output shaft.

[0060] The cleaning robot provided in the embodiment includes the above-described edge brush 1. Therefore, the technical advantages and effects achieved by the cleaning robot include those achieved by the edge brush 1, which will not be described here.

[0061] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that: they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A side brush characterized in that, The utility model relates to a brush head, including: Rotary transmission (2), soft glue connecting piece (3) and a plurality of bristle bundles (4), the soft glue connecting piece (3) is sleeved in rotary transmission (2), and a plurality of bristle bundles (4) are spaced apart and set on the circumference of soft glue connecting piece (3), Rotary transmission (2) and soft glue connecting piece (3) are connected through limiting structure (5), and limiting structure (5) is used to limit the radial separation of soft glue connecting piece (3) from rotary transmission (2) and axial separation from rotary transmission (2), Soft glue connecting piece (3) has through -hole (6) and a plurality of supporting legs (7), rotary transmission (2) is located in through -hole (6), and the outer side wall of rotary transmission (2) is provided with limiting structure (5) between the inner side wall of through -hole (6), the supporting leg (7) is correspondingly sleeved in bristle bundle (4), Soft glue connecting piece (3) is formed by twice injection molding with rotary transmission (2) and a plurality of bristle bundles (4), Limiting structure (5) includes the first limiting portion and the second limiting portion that are arranged on the outer side wall of rotary transmission (2), and the third limiting portion and the fourth limiting portion that are arranged on the inner side wall of through -hole (6), The first limiting portion and the third limiting portion are matched with each other, and are used to limit the relative rotation between rotary transmission (2) and the connecting piece, the second limiting portion and the fourth limiting portion are matched with each other, and are used to limit the relative separation between rotary transmission (2) and the connecting piece.

2. The edge brush of claim 1, wherein The first limiting portion includes a plurality of first grooves (8) opened on the circumference of rotary transmission (2), the third limiting portion includes a plurality of first protrusions (9) arranged on the circumference of through -hole (6), and the first protrusions (9) are correspondingly arranged in the first grooves (8); The second limiting portion includes at least one second groove (10) arranged on the inner side wall of the first groove (8), and the second groove (10) is communicated with the first groove (8), and the fourth limiting portion includes at least one second protrusion (11) arranged on the side wall of the first protrusion (9), and the second protrusion (11) is correspondingly arranged in the second groove (10).

3. The edge brush of claim 2, wherein, Along the circumference of rotary transmission (2), two opposite second grooves (10) are arranged at the groove bottom of the first groove (8) and form a T-shaped groove, and the first groove (8) and the second groove (10) both penetrate the upper end of rotary transmission (2); Along the circumference of through -hole (6), two opposite second protrusions (11) are arranged at the top end of the first protrusion (9) and form a T-shaped protrusion.

4. The edge brush of claim 2, wherein The second limiting portion further includes a first tapering structure, and the fourth limiting portion further includes a second tapering structure matched with the first tapering structure; The rotating transmission part (2) has a first section (12) and a second section (13) along the direction of the rotating axis, the connecting part has a third section (14) and a fourth section (15) along the direction of the extension of the through hole (6), and the first groove (8) and the second groove (10) are both located in the first section (12), and the first protrusion (9) and the second protrusion (11) are both located in the third section (14); The outer side wall of the second section (13) is tapered from one end close to the first section (12) to one end away from the first section (12) to form the first tapered structure, and the inner side wall of the fourth section (15) is tapered from one end close to the third section (14) to one end away from the third section (14) to form the second tapered structure.

5. The edge brush of claim 4, wherein, The first limiting part further comprises a plurality of third protrusions (16) arranged circumferentially on the second section (13), and the third limiting part further comprises a plurality of third grooves (17) arranged circumferentially on the through hole (6), and the third grooves (17) are located in the fourth section (15). The third protrusions (16) are one-to-one corresponding to the third grooves (17).

6. The edge brush according to any one of claims 1-5, characterized in that A first shaft hole (18) is formed on the rotating transmission part (2), and a plurality of convex ribs (19) are arranged circumferentially on the inner side wall of the first shaft hole (18).

7. The edge brush of claim 6, wherein, A dust cover (20) is further included, and a second shaft hole (21) is formed on the dust cover (20). A mounting groove (22) is formed on the upper end surface of the rotating transmission part (2), the bottom of the mounting groove (22) is provided with the first shaft hole (18), the dust cover (20) is arranged in the mounting groove (22), and the first shaft hole (18) corresponds to the second shaft hole (21).

8. A cleaning robot, characterized in that, The side brush (1) according to any one of claims 1-7 is included.

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