Connecting structure of disc brush and motor
By using connectors and magnetic clamping technology in the sweeping robot, the problem of inconvenient connection between the disc brush and the motor is solved, achieving a more efficient cleaning effect and a lower machine height.
Patent Information
- Application Number
- CN202420974472.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The existing sweeping robot's disc brush and motor connection structure are not clever enough, convenient enough, easy to fall off and take up a large space, which affects the cleaning effect.
Connectors are used as the motor installation position, and the disc brush is reliably connected to the motor through magnetic suction and clamping. The design of the cavity and air-avoiding grooves is combined to reduce machine height and vibration interference to achieve stable power output.
The reliable connection and rapid disassembly of the disc brush and the motor are realized, the height of the sweeper is reduced, and the stability and cleaning effect of the motor power output are ensured.
Smart Images

Figure CN222234601U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cleaning equipment, in particular to a connection structure of a disc brush and a motor. Background Art
[0002] A sweeping robot, also known as a sweeping machine, smart vacuum cleaner, automatic cleaning machine, etc., belongs to the category of smart home appliances. It is widely favored by families because it is convenient and fast and can free the user's hands.
[0003] The sweeper mainly uses the motor to drive the disc brush to complete the cleaning work of the ground. The connection structure of the brush disc directly affects the cleaning effect of the brush disc on the ground. In actual use, the cleaning component disc brush is mostly installed by screw locking or reduction box and motor. The screw locking installation is not flexible and convenient, easy to fall off, and inconvenient to disassemble and assemble; the reduction box and motor installation method is adopted, and the connection between the disc brush and the motor takes up a large space. Utility Model Content
[0004] Based on this, the purpose of the utility model is to provide a connection structure between a disc brush and a motor, which can realize reliable connection between the disc brush and the motor, and is convenient and quick to install and disassemble; the motor is installed on the connecting piece, and the power output is stable.
[0005] The purpose of the utility model is achieved through the following technical solutions:
[0006] A connection structure between a disc brush and a motor is applied between the disc brush and the motor, comprising a connecting piece, the motor is mounted on the connecting piece, and the rotor assembly of the motor is connected to the connecting piece; the connecting piece is provided with a mounting portion on a side facing the disc brush, and the disc brush is provided with an assembly portion detachably connected to the mounting portion.
[0007] Furthermore, the mounting portion comprises a connecting sleeve protruding toward the disc brush, an assembling hole is provided in the connecting sleeve, and the assembling portion is provided in the assembling hole.
[0008] Furthermore, the assembly portion includes a connecting column protruding toward the connecting piece, and the connecting column is adapted to be inside the connecting sleeve.
[0009] Furthermore, a recessed groove is formed on one side of the disc brush facing the connecting member, the connecting column is arranged in the recessed groove, and one end of the connecting sleeve extends into the recessed groove.
[0010] Furthermore, a first magnet with an embedded connection is provided in the mounting portion; a second magnet with opposite magnetic properties to the first magnet is provided at one end of the connecting column facing the connecting piece, and the second magnet is arranged corresponding to the first magnet. The connecting column extends into the mounting portion and is connected to the first magnet by magnetic attraction.
[0011] Furthermore, the cross section of the connecting column is polygonal, and the assembly hole is adapted to the shape of the connecting column.
[0012] Furthermore, the connecting member is provided with a concave cavity capable of accommodating the motor; the motor is provided with a plurality of threaded holes, and the connecting member is provided with connecting holes corresponding to the threaded holes; screws are passed through the connecting holes and connected to the corresponding threaded holes to connect and fix the connecting member and the motor.
[0013] Furthermore, a clearance groove is provided on the side of the connecting member facing away from the disc brush, and the clearance groove is communicated with the concave cavity and is used to clear the rotating shaft of the motor.
[0014] Furthermore, the connecting column, the connecting sleeve and the air avoidance groove are coaxially arranged.
[0015] The beneficial effects of the utility model are:
[0016] The connection structure of the utility model is applied between a disc brush and a motor, and comprises a connecting piece. The motor is mounted on the connecting piece. A mounting portion is provided on the side of the connecting piece facing the disc brush. An assembly portion movably assembled with the mounting portion is provided on the upper surface of the disc brush. The mounting portion and the assembly portion are connected by magnetic attraction and snap connection, so that the disc brush and the motor can be reliably connected, and the installation and disassembly are convenient and quick.
[0017] The motor of the utility model is installed on the connecting piece, which can effectively reduce the height of the sweeper compared with the connection mode of motor+reduction gearbox+disc brush in the prior art.
[0018] The motor of the utility model is installed on a connecting piece, the connecting piece is provided with a void-avoiding groove, the connecting column, the connecting sleeve and the void-avoiding groove are coaxially arranged, and the motor power output is stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of the connection structure between the disc brush and the motor of the utility model;
[0020] Figure 2 This is a cross-sectional view of the connection structure between the disc brush and the motor of the utility model;
[0021] Figure 3 This is an exploded view of the connection structure between the disc brush and the motor of the utility model;
[0022] Figure 4 It is a structural schematic diagram of the connecting member in the utility model;
[0023] Reference numerals:
[0024] 10-disc brush; 11-connecting column; 12-second magnet; 13-sink;
[0025] 20-connecting piece; 21-connecting sleeve; 211-assembly hole; 22-first magnet; 23-avoidance groove; 24-installation hole; 25-concave cavity;
[0026] 30-Motor. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] In the description of the present invention, it should be noted that the terms "vertical direction", "upper", "lower", "horizontal" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0030] See also Figures 1 to 4 As shown, this embodiment provides a connection structure between a disc brush and a motor, which is applied between a disc brush 10 and a motor 30, and includes a connector 20, the motor 30 is mounted on the connector 20, and the outer rotor of the motor 30 is connected to the connector 20. A mounting portion is provided on the side of the connector 20 facing the disc brush 10, and an assembly portion detachably connected to the mounting portion is provided on the upper surface of the disc brush 10.
[0031] In this embodiment, the connecting member 20 is provided with a cavity 25 capable of accommodating the motor 30. The motor 30 is provided with a plurality of threaded holes. The bottom of the cavity 25 is provided with a mounting hole 24 for connecting to the threaded hole on the motor 30. The screws are fixedly connected to the connecting member 20 and the motor 30 through the mounting hole 24. Compared with the connection method of the motor 30 + reduction gearbox + disc brush in the prior art, the height of the sweeper can be effectively reduced.
[0032] A clearance groove 23 is recessed at the bottom center of the concave cavity 25. The clearance groove 23 is connected to the concave cavity 25 and is used to avoid the rotating shaft of the motor 30, thereby reducing the interference of the motor 30 vibration on the disc brush. The disc brush 10 is recessed with a sinking groove 13 on the side facing the connecting member 20. The sinking groove 13 is arranged around the connecting column 11. The connecting column 11 is arranged in the sinking groove 13. The lower end of the connecting sleeve 21 extends into the sinking groove 13. The connecting column 11, the connecting sleeve 21 and the clearance groove 23 are coaxially arranged, and the power output of the motor 30 is stable.
[0033] In this embodiment, the motor is a commonly used motor structure in the prior art, specifically including a stator assembly, a rotor assembly, a shaft assembly and an end cover arranged in the concave cavity 25, the rotor assembly is arranged on the inner circumference of the rotor housing and is arranged opposite to the stator assembly, one end of the end cover is connected to one end of the rotor housing to form a placement cavity in the rotor housing, and both the stator assembly and the rotor assembly are in the placement cavity. The rotor assembly is provided with a plurality of threaded holes, and the screws are connected through the mounting holes 24 and the threaded holes on the base to achieve a fixed connection between the connector 20 and the rotor assembly, and the motor drives the connector 20 to rotate when working.
[0034] In this embodiment, the mounting portion includes a connecting sleeve 21 protruding from the connecting member 20 and facing the side of the disc brush 10, and an assembly hole 211 is provided in the connecting sleeve 21; the assembly portion includes a connecting column 11 protruding from the disc brush 10 and facing the side of the connecting member 20, and the connecting column 11 is clamped in the connecting sleeve 21. When the motor is working, it drives the connecting member 20 to rotate, and the connecting member 20 drives the disc brush 10 to rotate, thereby realizing the transmission connection between the disc brush 10 and the motor 30, and the disc brush 10 completes the cleaning action by rotating.
[0035] In this embodiment, an embedded first magnet 22 is provided in the mounting portion, a second magnet 12 is installed inside the connecting column 11, and the first magnet 22 is correspondingly arranged with the second magnet 12 and connected by magnetic attraction. Specifically, a second magnet 12 having a magnetic property opposite to the first magnet 22 is provided at one end of the connecting column 11 facing the connecting member 20, and the second magnet 12 is correspondingly arranged with the first magnet 11, and the connecting column 11 extends into the mounting portion and is connected with the first magnet 12 by magnetic attraction.
[0036] The cross section of the connecting column 11 is polygonal, and the assembly hole is adapted to the shape of the connecting column. Specifically, the cross section of the assembly hole and the cross section of the connecting column 11 are both hexagonal, which is convenient for the installation and positioning of the mounting part and the assembly part, and is not easy to slide; the mounting part and the assembly part are connected by magnetic attraction + snap connection, which can realize reliable connection between the disc brush 10 and the motor 30, and the installation and disassembly are convenient and quick.
[0037] The above only expresses the preferred technical solution of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and the utility model is also intended to include these modifications and modifications.
Claims
1. A connection structure between a disc brush and a motor, applied between the disc brush and the motor, characterized in that: It comprises a connecting piece, the motor is mounted on the connecting piece, and the rotor assembly of the motor is connected to the connecting piece; the connecting piece is provided with a mounting portion on one side facing the disc brush, and the disc brush is provided with an assembly portion detachably connected to the mounting portion.
2. The connection structure between the disc brush and the motor according to claim 1, characterized in that: The mounting portion comprises a connecting sleeve protruding toward the disc brush, an assembling hole is arranged in the connecting sleeve, and the assembling portion is arranged in the assembling hole.
3. The connection structure between the disc brush and the motor according to claim 2, characterized in that: The assembly portion includes a connecting column protruding toward the connecting member, and the connecting column is adapted to be inside the connecting sleeve.
4. The connection structure between the disc brush and the motor according to claim 3, characterized in that: The disc brush is provided with a recessed groove on one side facing the connecting piece, the connecting column is arranged in the recessed groove, and one end of the connecting sleeve extends into the recessed groove.
5. The connection structure between the disc brush and the motor according to claim 3, characterized in that: The mounting portion is provided with an embedded first magnet, and the connecting column extends into the mounting portion and is connected to the first magnet by magnetic attraction.
6. The connection structure between the disc brush and the motor according to claim 5, characterized in that: A second magnet having a magnetic property opposite to that of the first magnet is disposed at one end of the connecting column facing the connecting member, and the second magnet is disposed corresponding to the first magnet.
7. The connection structure between the disc brush and the motor according to claim 3, characterized in that: The cross section of the connecting column is polygonal, and the assembly hole is adapted to the shape of the connecting column.
8. The connection structure between the disc brush and the motor according to claim 3, characterized in that: The connecting member is provided with a concave cavity capable of accommodating the motor; the motor is provided with a plurality of threaded holes, and the connecting member is provided with connecting holes corresponding to the threaded holes; screws are passed through the connecting holes and connected to the corresponding threaded holes to connect and fix the connecting member and the motor.
9. The connection structure between the disc brush and the motor according to claim 8, characterized in that: The connecting member is provided with a clearance groove on a side facing away from the disc brush, and the clearance groove is communicated with the concave cavity and is used for avoiding the rotating shaft of the motor.
10. The connection structure between the disc brush and the motor according to claim 9, characterized in that: The connecting column, the connecting sleeve and the air-avoiding groove are coaxially arranged.
