US-12622558-B2 - Brush, brush member and robot

US12622558B2US 12622558 B2US12622558 B2US 12622558B2US-12622558-B2

Abstract

The present application relates to a brush, a brush member, and a robot. The brush includes a brush body ( 1 ), including: a rotating shaft ( 11 ) having a first end portion ( 13 ) and a second end portion ( 14 ); a compliant portion ( 12 ) extending radially outward from the rotating shaft; a first detachable baffle ( 2 ), which is detachably mounted on the first end portion ( 13 ); and a second detachable baffle ( 3 ), which is detachably mounted on the second end portion ( 14 ), wherein the first end portion is provided with a foolproof structure for preventing missing mounting of the first detachable baffle.

Inventors

Chuanlin Duan
Erdong Gu

Assignees

BEIJING ROBOROCK TECHNOLOGY CO., LTD.

Dates

Publication Date: 20260512
Application Date: 20210723
Priority Date: 20190124

Claims (16)

1 . A brush, applied to a cleaning robot, comprising: a brush body, comprising: a rotating shaft having a first end portion and a second end portion; a compliant portion extending radially outward from the rotating shaft; a first detachable baffle detachably mounted to the first end portion, wherein the first end portion has a first mounting portion configured to match a shape of the first detachable baffle and to be assembled with the first detachable baffle through being inserted into a hole of the first detachable baffle, and a second mounting portion configured to match a structure of a first side wall of a member housing, wherein the second mounting portion extends outward along the first mounting portion and forms a step with the first mounting portion; and a second detachable baffle detachably mounted to the second end portion, wherein the first end portion is provided with a foolproof structure, and the foolproof structure comprises a groove and at least one clamping part, the groove is disposed on the first mounting portion and the second mounting portion along an axial direction of the rotating shaft and crosses through the step between the first mounting portion and the second mounting portion, the at least one clamping part comprises a first protrusion which is located at the second mounting portion, and a second protrusion which is located at the first mounting portion and arranged on a same side as the first protrusion, and the at least one clamping part has a free end that can extend out of the groove when the at least one clamping part is in an unassembled state, and wherein the foolproof structure is configured so that the at least one clamping part is pressed by the first detachable baffle and retracts into the groove when the first detachable baffle is mounted on the first mounting portion and an inner side of the first detachable baffle abuts against the second protrusion, so as to enable the first protrusion to retract into the groove located on the second mounting portion, and the second mounting portion to extend into the first side wall of the member housing, and so that the at least one clamping part is not pressed by the first detachable baffle and extends out of the groove when the first detachable baffle is not mounted on the first mounting portion, so as to prevent the second mounting portion from extending into the first side wall of the member housing.
2 . The brush according to claim 1 , wherein the foolproof structure further comprises an elastic element, the elastic element and the at least one clamping part are mounted in the groove, and the at least one clamping part is configured to retract into or extend out of the groove through a connection with the elastic element.
3 . The brush according to claim 2 , wherein one end of the elastic element is connected to the clamping part, and another end of the elastic element abuts against a bottom of the groove.
4 . The brush according to claim 2 , wherein the groove is a through hole penetrating the first mounting portion and the second mounting portion; wherein the elastic element is disposed in the groove, and two clamping parts are respectively arranged on two ends of the groove and connected to the elastic element.
5 . The brush according to claim 2 , wherein the first mounting portion further comprises a locking portion; wherein an inner side of the first detachable baffle is provided with a locking block, and when the first detachable baffle is mounted on the first end portion, the locking block slides into the locking portion.
6 . The brush according to claim 5 , wherein the locking portion has an L-shaped sliding groove structure.
7 . The brush according to claim 5 , wherein the locking portion has a spherical recess structure, and the locking block has a hemispherical protrusion structure.
8 . The brush according to claim 1 , wherein the second mounting portion has a square structure.
9 . The brush according to claim 1 , wherein the first detachable baffle comprises a baffle mounting portion and a baffle portion, wherein the baffle mounting portion is an aperture having an inner diameter matching with an outer diameter of the first mounting portion; wherein the baffle portion extends outward along a circumferential direction of the aperture.
10 . The brush according to claim 9 , wherein the baffle portion comprises a first guard and a second guard disposed parallel to each other to form a maze.
11 . A brush member, applied to a cleaning robot, comprising a member housing and a brush, wherein the brush comprises: a brush body, comprising: a rotating shaft having a first end portion and a second end portion; a compliant portion extending radially outward from the rotating shaft; a first detachable baffle detachably mounted to the first end portion, wherein the first end portion has a first mounting portion configured to match a shape of the first detachable baffle and to be assembled with the first detachable baffle through being inserted into a hole of the first detachable baffle, and a second mounting portion configured to match a structure of a first side wall of the member housing, wherein the second mounting portion extends outward along the first mounting portion and forms a step with the first mounting portion; and a second detachable baffle detachably mounted to the second end portion, wherein the first end portion is further provided with a foolproof structure, and the foolproof structure comprises a groove and at least one clamping part, the groove is disposed on the first mounting portion and the second mounting portion along an axial direction of the rotating shaft and crosses through the step between the first mounting portion and the second mounting portion, the at least one clamping part comprises a first protrusion which is located at the second mounting portion, and a second protrusion which is located at the first mounting portion and arranged on a same side as the first protrusion, and the at least one clamping part has a free end that can extend out of the groove when the at least one clamping part is in an unassembled state, and wherein the foolproof structure is configured so that the at least one clamping part is pressed by the first detachable baffle and retracts into the groove when the first detachable baffle is mounted on the first mounting portion and an inner side of the first detachable baffle abuts against the second protrusion, so as to enable the first protrusion to retract into the groove located on the second mounting portion, and the second mounting portion to extend into the first side wall of the member housing, and so that the at least one clamping part is not pressed by the first detachable baffle and extends out of the groove when the first detachable baffle is not mounted on the first mounting portion, so as to prevent the second mounting portion from extending into the first side wall of the member housing.
12 . The brush member according to claim 11 , wherein the member housing comprises the first side wall and a second side wall, wherein the second side wall is configured to connect to the second end portion, and the first side wall is configured to connect to the first end portion and comprises a first accommodation hole and a first annular groove, and wherein the first accommodation hole is configured to accommodate the first end portion, and the first annular groove is configured to accommodate the first detachable baffle.
13 . The brush member according to claim 11 , wherein the foolproof structure of the first end portion further comprises an elastic element, the elastic element and the at least one clamping part are mounted in the groove, and the at least one clamping part is configured to retract into or extend out of the groove through a connection with the elastic element.
14 . The brush according to claim 13 , wherein one end of the elastic element is connected to the clamping part, and another end of the elastic element abuts against a bottom of the groove.
15 . The brush member according to claim 13 , wherein the groove is a through hole penetrating the first mounting portion and the second mounting portion; wherein the elastic element is disposed in the groove, and two clamping parts are respectively arranged on two ends of the groove and connected to the elastic element.
16 . A cleaning robot, comprising a brush member having a member housing and a brush, wherein the brush comprises: a brush body, comprising: a rotating shaft having a first end portion and a second end portion; a compliant portion extending radially outward from the rotating shaft; a first detachable baffle detachably mounted to the first end portion, wherein the first end portion has a first mounting portion configured to match a shape of the first detachable baffle and to be assembled with the first detachable baffle through being inserted into a hole of the first detachable baffle, and a second mounting portion configured to match a structure of a first side wall of the member housing, wherein the second mounting portion extends outward along the first mounting portion and forms a step with the first mounting portion; and a second detachable baffle detachably mounted to the second end portion, wherein the first end portion is further provided with a foolproof structure, and the foolproof structure comprises a groove and at least one clamping part, the groove is disposed on the first mounting portion and the second mounting portion along an axial direction of the rotating shaft and crosses through the step between the first mounting portion and the second mounting portion, the at least one clamping part comprises a first protrusion which is located at the second mounting portion, and a second protrusion which is located at the first mounting portion and arranged on a same side as the first protrusion, and the at least one clamping part has a free end that can extend out of the groove when the at least one clamping part is in an unassembled state, and wherein the foolproof structure is configured so that the at least one clamping part is pressed by the first detachable baffle and retracts into the groove when the first detachable baffle is mounted on the first mounting portion and an inner side of the first detachable baffle abuts against the second protrusion, so as to enable the first protrusion to retract into the groove located on the second mounting portion, and the second mounting portion to extend into the first side wall of the member housing, and so that the at least one clamping part is not pressed by the first detachable baffle and extends out of the groove when the first detachable baffle is not mounted on the first mounting portion, so as to prevent the second mounting portion from extending into the first side wall of the member housing.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS The present application is a continuation application of International Application No. PCT/CN2020/072630, filed on Jan. 17, 2020, which claims priority to Chinese Patent Application No. 2019201268843, filed with the Chinese Patent Office on Jan. 24, 2019, titled “ROBOT-SPECIFIC BRUSH, MEMBER AND ROBOT,” both of which are incorporated herein by reference in their entireties for all purposes. TECHNICAL FIELD The present application pertains to the field of robot technologies, and, in particular, to a brush, a brush member, and a cleaning robot. BACKGROUND During operation of a cleaning robot, a main brush disposed on the bottom of the cleaning robot rotates to agitate the debris on the floor surface. However, the main brush is easily entangled with filaments, increasing the load of the driving motor or even causing failure of the driving motor to drive. SUMMARY According to a first aspect of the present application, a brush is provided. The brush is applied to a cleaning robot and may include a brush body, including a rotating shaft and a compliant portion, wherein the rotating shaft has a first end portion and a second end portion and the compliant portion extends radially outward from the rotating shaft; a first detachable baffle detachably mounted to the first end portion; and a second detachable baffle detachably mounted to the second end portion, wherein the first end portion is provided with a foolproof structure for preventing missing mounting of the first detachable baffle. According to a second aspect of the present application, a brush member is provided. The brush member is applied to a cleaning robot and includes a member housing and a brush. The brush may include a brush body, including a rotating shaft and a compliant portion, wherein the rotating shaft has a first end portion and a second end portion and the compliant portion extends radially outward from the rotating shaft; a first detachable baffle detachably mounted to the first end portion; and a second detachable baffle detachably mounted to the second end portion, wherein the first end portion is provided with a foolproof structure for preventing missing mounting of the first detachable baffle to the member housing. According to a third aspect of the present application, a cleaning robot is provided. The cleaning robot may include a brush member having a member housing and a brush. The brush may include a brush body, including a rotating shaft and a compliant portion, wherein the rotating shaft has a first end portion and a second end portion and the compliant portion extends radially outward from the rotating shaft; a first detachable baffle detachably mounted to the first end portion; and a second detachable baffle detachably mounted to the second end portion, wherein the first end portion is provided with a foolproof structure for preventing missing mounting of the first detachable baffle to the member housing. BRIEF DESCRIPTION OF DRAWINGS To describe the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings for describing the embodiments. Clearly, the accompanying drawings in the following description show merely some embodiments of the present application, and those skilled in the art may still derive other drawings from these accompanying drawings without creative efforts. FIG. 1 is an overall schematic structural diagram of a brush according to an embodiment of the present application; FIG. 2 is a schematic structural diagram of a first end of a brush and a side wall in a separated state according to an embodiment of the present application; FIG. 3 is a schematic structural diagram of a first end of a brush in a separated state according to an embodiment of the present application; FIG. 4 is a schematic structural diagram of a first end of a brush and a side wall in a separated state from another perspective according to an embodiment of the present application; FIG. 5 is a schematic structural diagram of a second end of a brush in a separated state according to an embodiment of the present application; FIG. 6 is an overall schematic structural diagram of a brush member according to an embodiment of the present application; FIG. 7 is an overall schematic structural diagram of a cleaning robot according to an embodiment of the present application; and FIG. 8 is an overall structural block diagram of a cleaning robot according to an embodiment of the present application. DESCRIPTION OF EMBODIMENTS The following further describes embodiments of the present application in detail with reference to accompanying drawings. Clearly, the described embodiments are merely some rather than all of the embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the pr