CN218458047U - Cleaning module for cleaning machine and cleaning machine - Google Patents

Abstract

A cleaning module for a cleaning machine comprises a machine shell (1), a brush piece (2), a wheel seat (3) and a spherical wheel (4), wherein the wheel seat (3) is constrained on the machine shell, an accommodating cavity (30) with a downward opening is formed in the wheel seat, the advancing direction of the cleaning machine is taken as the front side, and at least two accommodating cavities (30) are arranged at intervals along the left-right direction; the number of the spherical wheels (4) is matched with that of the cavities (30), each spherical wheel can roll back and forth around a first axis (41) extending in the left-right direction of the spherical wheel or roll left and right around a second axis (42) of the spherical wheel and is restrained in the corresponding cavity (30), the second axis (42) extends basically horizontally and forms an included angle with the first axis (41), and part of each spherical wheel (4) extends out of the opening and is positioned below the bottom wall of the machine shell (1). The application also discloses a cleaning machine with the cleaning module. Compared with the prior art, this application is convenient for the removal and the turning to of cleaning module.

Description

Cleaning module for cleaning machine and cleaning machine

Technical Field

The utility model belongs to the technical field of the family washing, clean, concretely relates to a cleaning module and cleaning machine for cleaning machine.

Background

The structure disclosed in the patent application for a brush head module and a cleaner for a cleaner (with the application publication number of CN114680711 a) and the application number of CN202122940606.1 of the present cleaner, such as the invention patent application with the application number of CN202011564244.4, is that a floor brush module and a cleaner for a cleaner (with the publication number of CN 216776857U) is mostly included, the bottom wall of the casing is provided with a suction inlet, the brush can be rotatably arranged at the suction inlet, and the suction inlet is mostly provided with soft rubber. The wheel structure can be rotationally restricted in the machine shell back and forth and is used for driving the machine shell to move back and forth.

When the cleaning machine works, the suction inlet of the cleaning machine is under negative pressure, so that the soft rubber at the suction inlet is tightly attached to the ground to be cleaned under the action of atmosphere and generates friction force. The wheel structure of the existing cleaning machine can only rotate forwards and backwards, and a user needs to slide the wheel structure laterally in the steering process of the cleaning machine by twisting the handle of the cleaning machine, so that the friction resistance is high, and the use feeling is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first technical problem that will solve is to prior art's current situation, provides a clean module for cleaning machine to the removal and the turning to of clean module are convenient for.

The utility model aims to solve the second technical problem that a cleaning machine with above-mentioned cleaning module is provided.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a cleaning module for a cleaning machine, comprising:

a housing;

a brush member rotatably constrained to the housing;

it is characterized by also comprising:

the wheel seat is constrained on the shell, and is internally provided with at least two cavities with downward openings, and the cavities are arranged at intervals along the left-right direction by taking the advancing direction of the cleaning machine as the front side;

the spherical wheels are matched with the cavities in number, each spherical wheel can roll back and forth around a first axis extending in the left-right direction of the spherical wheel or roll left and right around a second axis of the spherical wheel and is constrained in the corresponding cavity, the second axis extends basically horizontally and forms an included angle with the first axis, and part of each spherical wheel extends out of the opening and is positioned below the bottom wall of the shell.

The angle may be acute or right.

In order to improve the flexibility of steering, preferably, the opening of the cavity is a circular opening, the caliber of the circular opening is smaller than the diameter of the spherical wheel, the spherical wheel is directly positioned in the cavity, and the gap between the surface of the spherical wheel and the inner wall of the cavity is arranged to enable the spherical wheel to roll under the action of external force. So for globular wheel can not need not to set up connection structure between globular wheel and the wheel seat (promptly) and not need to set up connection structure in the appearance intracavity by other parts, and then simplified structure, reduce cost, can also make globular wheel have the rotational degree of freedom of all directions simultaneously, make turning to of cleaning module more nimble), and the part of globular wheel stretches out outside the opening. Except the above scheme, globular wheel also can restrict in holding the chamber through other modes, for example, the opening part that holds the chamber is equipped with at least three arms along circumference interval arrangement, encloses into above-mentioned opening between each arm for support globular wheel prevents that globular wheel from passing the opening downwards, still not influencing the roll of globular wheel.

Preferably, the shape of the inner wall of the cavity is matched with the surface shape of the spherical wheel.

In order to reduce the friction resistance, preferably, two wear strips arranged in a cross shape are attached to the inner wall of the cavity, the intersection of the two wear strips is located above the opening and opposite to the center of the opening, and the end of each wear strip is adjacent to the edge of the opening and arranged at intervals along the circumferential direction of the edge. The material of the wear-proof strip can be POM plastic.

In order to facilitate the assembly of the spherical wheel, preferably, the wheel seat comprises a first wheel seat and a second wheel seat which is located below the first wheel seat and detachably connected with the first wheel seat, a ball socket is arranged on the lower surface of the first wheel seat, a through hole which is through from top to bottom is formed in the second wheel seat, and the inner wall of the ball socket is in butt joint with the hole wall of the through hole to form the cavity in a state that the first wheel seat and the second wheel seat are connected.

In the above solution, there may be only one wheel seat, and the cavities are all located on the wheel seat, preferably, there are at least two wheel seats and the wheel seats are arranged at intervals in a left-right manner, and each wheel seat has at least one cavity as described above.

In order to further improve the structural stability, each wheel seat is provided with at least two containing cavities which are arranged in a tandem mode at intervals. This makes the cleaning module move more smoothly.

Preferably, the wheel seat is arranged below the machine shell; or the wheel seat is arranged outside the side walls at the left side and the right side of the shell.

In each of the above aspects, preferably, the brush is spaced in tandem from the wheel base. Besides, the brush piece and the wheel seat can be arranged at intervals along the left-right direction, or in other arrangement modes.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: a cleaning machine having a cleaning module as described above.

Compared with the prior art, the utility model has the advantages of: through addding wheel seat and globular wheel, globular wheel has the rotational degree of freedom of fore-and-aft direction for the front and back rotation of globular wheel can drive the casing back-and-forth movement, thereby realizes advancing of cleaning module, simultaneously because globular wheel still has the rotational degree of freedom of left and right sides direction, and then be convenient for the cleaning module to advance about the in-process and turn to, reduce the resistance when turning to.

Drawings

Fig. 1 is a schematic structural diagram of a cleaning module according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cleaning module in another view according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a rotating wheel assembly according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is an exploded perspective view of FIG. 3;

fig. 6 is a schematic structural view of a cleaning machine according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a cleaning module according to a second embodiment of the present invention;

fig. 8 is a schematic structural view of a rotating wheel assembly according to a second embodiment of the present invention;

FIG. 9 is a cross-sectional view of FIG. 8;

fig. 10 is an exploded perspective view of fig. 8.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1 to 6, in order to provide a cleaning module for a cleaning machine and a first preferred embodiment of the cleaning machine, the cleaning module comprises a housing 1, a brush 2, a wheel seat 3 and a ball wheel 4.

In this embodiment, the forward direction of the cleaning machine is set as the front side.

The brush member 2 is rotatably constrained to the front of the housing 1 for cleaning a surface to be cleaned. The specific structure of the brush 2 and the assembly manner with the casing 1 can refer to the prior art, and are not described herein.

The wheel base 3 is two and is constrained at two sides of the rear part of the casing 1 in a left-right manner, and each wheel base 3 has a cavity 30 with an opening 300 facing downwards inside. In this embodiment, the wheel seat 3 is a hemisphere, the cavity 30 is a hemisphere, and the opening 300 is a circular opening. The inner wall of the cavity 30 is attached with two cross-shaped wear strips 5, the intersection of the two wear strips 5 is located above the opening 300 and opposite to the center of the opening 300, and the end of each wear strip 5 is adjacent to the edge of the opening 300 and arranged at intervals along the circumferential direction of the edge. Meanwhile, the wheel base 3 of the present embodiment includes a first wheel base 31 constrained to the housing 1, and a second wheel base 32 located below the first wheel base 31 and detachably connected to the first wheel base 31, a ball socket 310 is disposed on a lower surface of the first wheel base 31, a through hole 320 is disposed on the second wheel base 32, and an inner wall of the ball socket 310 is in butt joint with a hole wall of the through hole 320 to form the cavity 30 with the opening 300 facing downward in a state where the first wheel base 31 and the second wheel base 32 are connected. The first wheel seat 31 and the second wheel seat 32 are connected through screws 6, and the number of the screws 6 is three and is located on the periphery of the joint of the first wheel seat 31 and the second wheel seat 32 along the circumferential direction. Besides the screw connection mode, the first wheel seat and the second wheel seat can be connected through other connection modes such as buckle connection and the like.

The two ball wheels 4 are located in the corresponding cavities 30, and a part of the ball wheel 4 extends out of the opening 300 and is located below the bottom wall of the housing 1, so that the ball wheel 4 can roll along with the movement of the housing 1. In this embodiment, in order to enable the ball wheel 4 to be directly constrained in the cavity 30 without using any other connecting structure and to enable the ball wheel 4 to roll in each degree of freedom, the diameter of the ball wheel 4 is larger than the caliber of the opening 300 of the cavity 30, and the gap between the surface of the ball wheel 4 and the inner wall of the cavity 30 is arranged to enable the ball wheel 4 to roll under the action of an external force. In this way, when the cleaning machine advances or retreats, the ball wheel 4 can roll back and forth about its own first axis 41 extending in the left-right direction; when the vehicle is steered to the left or right, the ball wheel 4 can roll from side to side about its own second axis 42, the second axis 42 extending substantially horizontally and being arranged at an angle to the first axis 41. Referring specifically to fig. 1, the second axis 42 shown in fig. 1 extends in the front-to-back direction and is perpendicular to the first axis 41, and besides, the second axis 42 may also be disposed at an acute angle with respect to the first axis.

As shown in fig. 6, the cleaning machine of this embodiment is a floor mopping machine, and has the cleaning module, the sewage tank located above the cleaning module, and the fan located above the sewage tank, and the sewage tank and the fan are all in the prior art, and the connection structure and the position between the cleaning module and the sewage tank can refer to the prior art respectively, which is not described herein again.

The second embodiment:

referring to fig. 7 to 10, a second preferred embodiment of a cleaning module and a cleaning machine for a cleaning machine according to the present invention is basically the same as the first embodiment, except that two wheel bases 3 are disposed below the housing 1 in a left-right manner. Each wheel seat 3 is a cuboid extending in the front-back direction, each wheel seat 3 is provided with two containing cavities 30, and the two containing cavities 30 are arranged at intervals in a tandem mode. The spherical wheels 4 are four and are located in respective housings 30.

Meanwhile, in the embodiment, two screws 6 are arranged on each wheel seat 3 and are arranged at two sides of the two cavities 30 in tandem.

Directional terms, such as "front," "rear," "upper," "lower," "left," "right," "side," "bottom," and the like, used in the description and claims of the present application to describe various example structural portions and elements of the present application are used herein for convenience of description only and are to be determined based on the example orientations shown in the figures. Because the embodiments disclosed herein may be arranged in a variety of orientations, these directional terms are used for illustrative purposes only and should not be construed as limiting, e.g., "up" and "down" should not necessarily be limited to orientations that are opposite or coincident with the direction of gravity.

Claims (10)

1. A cleaning module for a cleaning machine, comprising:

a housing (1);

a brush (2) rotatably constrained to the casing (1);

it is characterized by also comprising:

the wheel seat (3) is constrained in the machine shell (1), the interior of the wheel seat is provided with a containing cavity (30) with an opening (300) facing downwards, the advancing direction of the cleaning machine is taken as the front side, and at least two containing cavities (30) are arranged at intervals along the left-right direction;

the number of the spherical wheels (4) is matched with that of the cavities (30), each spherical wheel (4) can roll back and forth around a first axis (41) extending in the left-right direction of the spherical wheel or roll left and right around a second axis (42) of the spherical wheel and is constrained in the corresponding cavity (30), the second axis (42) extends basically horizontally and forms an included angle with the first axis (41), and part of each spherical wheel (4) extends out of the opening (300) and is positioned below the bottom wall of the machine shell (1).

2. The cleaning module of claim 1, wherein: the opening (300) of the accommodating cavity (30) is a circular opening, the caliber of the circular opening is smaller than the diameter of the spherical wheel (4), the spherical wheel (4) is directly positioned in the accommodating cavity (30), and a gap between the surface of the spherical wheel (4) and the inner wall of the accommodating cavity (30) is arranged to enable the spherical wheel (4) to roll under the action of external force.

3. The cleaning module of claim 2, wherein: the shape of the inner wall of the accommodating cavity (30) is matched with the surface shape of the spherical wheel (4).

4. The cleaning module of claim 3, wherein: the inner wall of the accommodating cavity (30) is provided with two wear-resistant strips (5) which are crossed, the intersection of the two wear-resistant strips (5) is positioned above the opening (300) and opposite to the center of the opening (300), and the end parts of the wear-resistant strips (5) are adjacent to the edge of the opening (300) and are arranged at intervals along the circumferential direction of the edge.

5. The cleaning module of claim 3, wherein: the wheel seat (3) comprises a first wheel seat (31) and a second wheel seat (32) which is located below the first wheel seat (31) and detachably connected with the first wheel seat (31), a ball socket (310) is arranged on the lower surface of the first wheel seat (31), a through hole (320) which is through up and down is formed in the second wheel seat (32), and the inner wall of the ball socket (310) is in butt joint with the hole wall of the through hole (320) to form the accommodating cavity (30) in the state that the first wheel seat (31) and the second wheel seat (32) are connected.

6. The cleaning module of any one of claims 1 to 5, wherein: the wheel seats (3) are at least two and are arranged in a left-right mode at intervals, and each wheel seat (3) is provided with at least one accommodating cavity (30).

7. The cleaning module of claim 6, wherein: each wheel seat (3) is provided with at least two containing cavities (30), and the containing cavities (30) are arranged in tandem at intervals.

8. The cleaning module of claim 6, wherein: the wheel seat (3) is arranged below the shell (1); or the wheel seat (3) is arranged outside the side walls of the left side and the right side of the machine shell (1).

9. The cleaning module of any one of claims 1 to 5, wherein: the brush (2) and the wheel seat (3) are arranged in tandem at intervals.

10. A cleaning machine having a cleaning module as claimed in any one of claims 1 to 9.

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