A floor brush module for a cleaning machine and a cleaning machine

Abstract

The present invention relates to a floor brush module for a cleaning machine and a cleaning machine. In the floor brush module for the cleaning machine, a dust suction chamber is provided inside the shell, a brush head is rotatably arranged at the front side of the shell and is at least partially located in the dust suction chamber, a transfer piece is arranged in the shell and its extension direction intersects with the travel direction of the cleaning machine. By arranging the transfer piece in the shell, the transfer piece can reciprocate along the direction intersecting with the travel direction of the cleaning machine under the action of a driving mechanism, thereby driving the brush head to rotate forward or reverse accordingly. By using the transfer piece as a medium for power transmission, not only is there no need to additionally arrange traditional transmission elements such as gears and belts, but the reciprocating sliding of the transfer piece can also be directly converted into the forward and reverse rotation of the brush head, thereby avoiding the problems of movement resistance and incomplete cleaning caused by the single-direction sweeping of the brush head.

Description

Technical Field

[0001] The invention relates to the field of mobile cleaning equipment, and in particular to a floor brush module for a cleaning machine and a cleaning machine. Background Art

[0002] A cleaning machine is a relatively common portable cleaning device for household use. It first appeared in the form of a vacuum cleaner and can only be used in dry environments. In order to meet the use needs in more environments, especially in wet environments, products such as floor scrubbers have been developed. Most existing floor scrubbers use a front roller brush structure. By setting a roller brush that can rotate relative to the casing on the front side of the casing, the area covered by the roller brush can be swept and cleaned, which is very convenient. The roller brush itself can also play a role of assisting due to the friction with the ground while rolling. However, the cleaning form of the roller brush also has certain disadvantages. The main force for the same type of model to achieve vacuuming is the upstream negative pressure source (i.e., the fan). Due to the horizontal rotation form of the roller brush itself, the degree of contact with the ground is not enough, and some stubborn stains cannot be cleaned well. The water sprayed on the surface to be cleaned is sucked away by the negative pressure after only one or two uses. The cleaning effect is relatively limited, and the horizontal roller brush is very easy to entangle hair and pet hair, making it very difficult to clean.

[0003] To this end, the applicant has made certain improvements to the traditional roller brush cleaning mode and proposed another cleaning mode. In the Chinese invention application with patent application number CN201911094051.4 (public announcement number CN112773255A), an "Integrated Structure for Cleaning the Surface of an Object" is disclosed. The cleaning device is provided with a brush in the dust collection cylinder, and the brush can rotate in the internal axial direction of the dust collection cylinder, that is, its rotation axis is different from the horizontal arrangement of the traditional roller brush and extends vertically. With such a brush arrangement, when working, the bristles can clean the ground to enhance the flow field in the central area of ​​the fluid, cooperate with the cleaning fluid, reduce the residual dirt in the central area, and avoid the situation in the roller brush mode where the water cleaning ability is only used a few times once or twice before being sucked away by negative pressure, which is more in line with the needs of heavy cleaning in a wet environment.

[0004] The existing brush rotation mode is relatively simple. Since the driving source adopts a motor and a gear, the brush can only sweep along a single rotation direction. In this way, the brush will generate a single direction of friction with the ground when rotating, which not only forms resistance to the reciprocating pulling of the floor brush, but also is not conducive to cleaning stains. Summary of the invention

[0005] The first technical problem to be solved by the present invention is to provide a floor brush module for a cleaning machine with a brush head capable of reciprocating rotation in view of the current state of the prior art.

[0006] The second technical problem to be solved by the present invention is to provide a floor brush module with a transfer member capable of acting on the water inlet end of a water outlet seat to cause the water outlet seat to discharge water in a pulse manner in response to the current status of the prior art.

[0007] The third technical problem to be solved by the present invention is to provide a cleaning machine with the above-mentioned floor brush module in view of the current status of the prior art.

[0008] The technical solution adopted by the present invention to solve the above-mentioned first technical problem is: the floor brush module for the cleaning machine comprises:

[0009] A housing having a dust suction chamber therein, the housing also having an air inlet on the front side of the floor brush module in the direction of travel, the housing also having an air outlet connected to the downstream fan module, along the air flow path, the air inlet is located upstream of the air outlet, and both are fluidly connected to the dust suction chamber;

[0010] A brush head, used for cleaning the object to be cleaned, is rotatably arranged at the front side of the housing, the brush head is at least partially located in the dust suction chamber and the rotation axis extends vertically;

[0011] A transfer member is arranged in the housing and its extension direction intersects with the travel direction of the cleaning machine. The transfer member is arranged to slide back and forth along its own extension direction, and a power output end of the transfer member is connected to the brush head to drive the brush head to rotate forward or reverse accordingly under the action of its own reciprocating sliding; and

[0012] The driving mechanism is arranged on the housing and adjacent to the transfer member, and the power output end of the driving mechanism is drivingly connected to the power input end of the transfer member.

[0013] In order to ensure smooth reciprocating sliding of the transfer member, preferably, a slide seat is provided at a position adjacent to the front side of the housing, and the slide seat has a slide groove extending left and right and opening upward, and the transfer member can be slidably constrained in the slide groove of the slide seat.

[0014] The transfer member can directly drive the brush head to rotate, but it will interfere with the sweeping action to a certain extent. Preferably, the front side of the slide seat has a linkage disk, which is arranged to be relatively fixed with the brush head, so that it can rotate synchronously with the brush head relative to the outer shell.

[0015] The linkage disk and the brush head can be linked with the transfer member in different ways. Preferably, the transfer member also has a connecting rod extending forward, the front end of which is connected to the linkage disk, and can drive the linkage disk and the brush head to rotate forward or reverse accordingly under the action of the reciprocating sliding of the transfer member, thereby causing the brush head to reciprocate around its own rotation axis.

[0016] Specifically, the rear end of the connecting rod is rotatably connected to the transfer member, and the front end of the connecting rod is rotatably connected to the linkage disk and is eccentrically arranged relative to the rotation axis of the linkage disk.

[0017] Preferably, a transmission box is further included, the interior of the transmission box is hollow to form an installation cavity, and the sliding seat and the transfer member are both arranged in the installation cavity.

[0018] In order to ensure that the brush head can achieve the dust suction effect while sweeping with the help of negative pressure, preferably, the front side of the shell has a mounting groove, the transmission box can be detachably installed in the mounting groove, and a mounting hole is opened on the bottom wall of the mounting groove. A gap is left between the lower edge of the mounting hole and the floor to be cleaned to form the dust suction chamber. When the transmission box is installed in the mounting groove, the brush head is constrained in the mounting hole and at least the lower end is located in the dust suction chamber below the mounting hole.

[0019] Specifically, the mounting groove has at least two mounting holes in its length direction, the transmission box has at least two transmission shafts arranged corresponding to the mounting holes, a brush head is correspondingly installed at the lower end of each transmission shaft, and the linkage disk is correspondingly arranged at the upper end of each transmission shaft.

[0020] In order to ensure the supply of cleaning water to the dust suction chamber to optimize the sweeping effect of the brush head, the floor brush module also includes a water outlet seat and a pump body for pumping cleaning water to the water outlet seat. The water outlet seat is arranged in the shell and its water outlet end is connected to the dust suction chamber fluid.

[0021] In order to further solve the second technical problem mentioned above, the technical solution adopted by the present invention is: the water inlet end of the water outlet seat is located on the moving path of the transfer member.

[0022] In order to ensure that the pump body can adaptively adjust the water supply mode according to the swing of the brush head, preferably, the water outlet end of the pump body is connected to the water inlet end of the water outlet seat through a water pipe, and the transfer member has a pressure head on the side adjacent to the water pipe, and the pressure head can intermittently act on the water pipe under the action of the reciprocating sliding of the transfer member. In this way, the transfer member intermittently squeezes the water pipe through the pressure head to supply water, and the water flow transported to the water outlet seat by the water pipe can be intermittently ejected from the water outlet seat under the squeezing action of the transfer member, and at the same time has a large initial velocity, which increases the impact force on the surface to be cleaned, and cooperates with the reciprocating rotation of the brush head to achieve a better cleaning effect.

[0023] Specifically, the slide seat has a limiting groove with an upward opening, and the water conduit is at least partially embedded in the limiting groove.

[0024] There are many ways to achieve contact between the pressure head and the water pipe. Preferably, along the moving direction of the transfer member, the limit groove is arranged at the end of the slide groove, and its extension direction intersects with the extension direction of the slide groove.

[0025] Specifically, the slide seat includes a guide body and a support body, the slide groove is provided on the guide body, and the support body is located at a side of the guide body and a gap is left between the support body and the guide body to form the limit groove.

[0026] In order to avoid the water outlet being blocked by squeezing, preferably, the side walls of the support body and the guide body are arranged to be inclined from front to back in a direction away from the guide body, so that the notch of the limit groove gradually increases from front to back. In this way, once the water flow is too large, the part of the water pipe will expand under the squeezing effect, and the gradual design of the limit groove can provide a good accommodating space for the increase of the volume of the water pipe, thereby avoiding the bursting of the water pipe.

[0027] In order to further solve the above-mentioned third technical problem, the technical solution adopted by the present invention is: a cleaning machine, having the above-mentioned floor brush module, and also including a dust separation module and a fan module, the floor brush module, the dust separation module and the fan module are arranged in sequence along the flow direction of the airflow, the inlet end of the floor brush module is the air inlet of the outer shell, and the outlet end of the floor brush module is the air outlet of the outer shell.

[0028] Preferably, the cleaning machine is a floor scrubber.

[0029] Compared with the prior art, the advantages of the present invention are: in the floor brush module used for the cleaning machine, a transfer piece is arranged in the outer shell, so that the transfer piece can reciprocate along the direction intersecting with the moving direction of the cleaning machine under the action of the driving mechanism, thereby driving the brush head to rotate forward or reverse accordingly. By using the transfer piece as a medium for power transmission, not only is there no need to additionally arrange traditional transmission elements such as gears and belts, but the reciprocating sliding of the transfer piece can also be directly converted into the forward and reverse rotation of the brush head, thereby avoiding the problems of movement resistance and incomplete cleaning caused by the brush head sweeping in a single direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the overall structure of the floor brush module in an embodiment of the present invention;

[0031] Figure 2 for Figure 1 A schematic diagram from another angle after omitting some structures;

[0032] Figure 3 for Figure 2 A schematic diagram after omitting part of the shell structure;

[0033] Figure 4 for Figure 3 Schematic diagram of the decomposition from another angle;

[0034] Figure 5 It is the overall schematic diagram of the transmission box;

[0035] Figure 6 for Figure 5 Schematic diagram from another angle;

[0036] Figure 7 It is a cross-sectional view of the overall structure of the floor brush module in an embodiment of the present invention;

[0037] Figure 8 This is an overall schematic diagram of the cleaning machine. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below with reference to the accompanying drawings.

[0039] like Figures 1 to 8 As shown, it is a preferred embodiment of the present invention. In this embodiment, the floor brush module for the cleaning machine includes a housing 1, a brush head 2, a transfer member 31 and a driving mechanism 32. The housing 1 has a dust suction chamber 10 inside, and the housing 1 also has an air inlet 1a on the front side of the floor brush module in the direction of travel. The housing 1 also has an air outlet 1b connected to the downstream fan module. Along the air flow path, the air inlet 1a is located upstream of the air outlet 1b, and both are fluidly connected to the dust suction chamber 10. The above-mentioned floor brush module is generally suitable for cleaning machines. Taking a floor scrubber as an example, in addition to the above-mentioned floor brush module, the cleaning machine also includes a dust separation module 101 and a fan module 102. The floor brush module 100, the dust separation module 101 and the fan module 102 are arranged in sequence along the flow direction of the airflow. The inlet end of the floor brush module 100 is the air inlet 1a of the housing 1, and the outlet end of the floor brush module 100 is the air outlet 1b of the housing 1. In order to clean the object to be cleaned, the brush head 2 is rotatably arranged on the front side of the housing 1. The brush head 2 is at least partially located in the dust suction chamber 10 and the rotation axis extends vertically.

[0040] In this embodiment, the brush head 2 is designed to be able to alternately rotate forward or reverse relative to the dust collection chamber 10, and the amplitude of the rotation is controlled within a certain rotation range. Here, for the convenience of describing the above-mentioned actions, the forward and reverse rotation of the brush head 2 is collectively referred to as deflection swing. Of course, the deflection rotation of the brush head 2 can be achieved through a variety of structural drives. The brush head 2 in this embodiment is driven by the reciprocating sliding of the transfer member 31 relative to the housing 1. The above-mentioned transfer member 31 is arranged in the housing 1 and its extension direction intersects with the travel direction of the cleaning machine. The transfer member 31 is arranged to be able to slide back and forth along its own extension direction, and the power output end of the transfer member 31 is connected to the brush head 2 to drive the brush head 2 to rotate forward or reverse accordingly under the action of its own reciprocating sliding. The driving mechanism 32 is arranged in the housing 1 and adjacent to the transfer member 31, and its power output end is drivingly connected to the power input end of the transfer member 31. The driving mechanism 32 can be in various forms. In this embodiment, a driving motor and a crank slider are combined to realize the reciprocating movement of the transfer member 31. The transfer member 31 is equivalent to a slider. Since the crank slider mechanism belongs to conventional technology, it is not described here. In order to realize the sliding of the transfer member 31, the housing 1 is provided with a slide seat 33 at a position adjacent to the front side. The slide seat 33 has a slide groove 33a extending left and right and opening upward. The transfer member 31 can be slidably constrained in the slide groove 33a of the slide seat 33.

[0041] The front side of the slide 33 in this embodiment has a linkage disk 34, which is arranged to be relatively fixed with the brush head 2, so that it can rotate synchronously with the brush head 2 relative to the housing 1. And there is also a connecting rod 35 extending forward on the transfer member 31, the front end of which is connected to the linkage disk 34, and can drive the linkage disk 34 and the brush head 2 to rotate forward or reversely correspondingly under the action of the reciprocating sliding of the transfer member 31, so that the brush head 2 reciprocates around its own rotation axis. The rear end of the connecting rod 35 is rotatably connected to the transfer member 31, and the front end of the connecting rod 35 can be rotatably connected to the linkage disk 34 and is eccentrically arranged relative to the rotation axis of the linkage disk 34. Of course, in order to ensure the assembly of each moving original part, the floor brush module also includes a transmission box 3, the interior of which is hollow to form an installation cavity 30, and the slide 33 and the transfer member 31 are both arranged in the installation cavity 30.

[0042] The housing 1 in this embodiment has a mounting groove 11 on the front side, and the transmission box 3 can be detachably mounted in the mounting groove 11. A mounting hole 12 is provided on the bottom wall of the mounting groove 11. A gap is left between the lower edge of the mounting hole 12 and the floor to be cleaned to form a dust suction chamber 10. When the transmission box 3 is installed in the mounting groove 11, the brush head 2 is constrained in the mounting hole 12 and at least the lower end is located in the dust suction chamber 10 below the mounting hole 12. The mounting groove 11 has at least two mounting holes 12 in its length direction, and the transmission box 3 has at least two transmission shafts 36 arranged corresponding to the mounting holes 12, and the lower end of each transmission shaft 36 is correspondingly mounted with a brush head 2, and the upper end of each transmission shaft 36 is correspondingly provided with a linkage disk 34.

[0043] In order to ensure the water supply to the dust suction chamber 10 to ensure the sweeping effect of the brush head 2, the floor brush module also includes a water outlet seat 4 and a pump body 5 for pumping cleaning water to the water outlet seat 4. The water outlet seat 4 is arranged in the outer shell 1 and its water outlet end is in fluid communication with the dust suction chamber 10. The water inlet end of the water outlet seat 4 in this embodiment is located on the moving path of the transfer member 31. Specifically, the water outlet end of the pump body 5 is connected to the water inlet end of the water outlet seat 4 through a water pipe 50. The transfer member 31 has a pressure head 311 on the side adjacent to the water pipe 50. The pressure head 311 can intermittently act on the water pipe 50 under the action of the reciprocating sliding of the transfer member 31. Specifically, the sliding seat 33 has a limit groove 33b with an upward opening, and the water pipe 50 is at least partially embedded in the limit groove 33b. And along the moving direction of the transfer member 31, the limiting groove 33b is arranged at the end of the sliding groove 33a, and its extending direction intersects with the extending direction of the sliding groove 33a.

[0044] The slide groove 33a can be formed in different forms. The slide seat 33 in this embodiment includes a guide body 331 and a support body 332. The slide groove 33a is provided on the guide body 331. The support body 332 is located at the side of the guide body 331 and is spaced apart from the guide body 331 to form a limit groove 33b. The side walls of the support body 332 and the guide body 331 are arranged in an inclined manner from front to back in a direction away from the guide body 331, so that the notch of the limit groove 33b gradually increases from front to back.

[0045] The "fluid connection" referred to in the present invention refers to the spatial position relationship between two parts or parts (hereinafter collectively referred to as the first part and the second part respectively), that is, the fluid (gas, liquid or a mixture of the two) can flow from the first part along the flow path or / and be transported to the second part. The first part and the second part can be directly connected, or the first part and the second part can be indirectly connected through at least one third party. The third party can be a fluid channel such as a pipe, channel, duct, guide member, hole, groove, etc., or it can be a chamber allowing fluid to flow through, or a combination of the above.

[0046] In addition, terms indicating directions, such as "front", "rear", "up", "down", "left", "right", "side", "top", "bottom", etc., are used in the specification and claims of the present invention to describe various exemplary structural parts and elements of the present invention, but these terms are used here only for the purpose of convenience of description and are determined based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only used as explanations and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

Claims

1. A floor brush module for a cleaning machine, comprising: A housing (1) having a dust suction chamber (10) therein; the housing (1) also has an air inlet (1a) on the front side of the floor brush module in the direction of travel; the housing (1) also has an air outlet (1b) connected to a downstream fan module; along the air flow path, the air inlet (1a) is located upstream of the air outlet (1b), and both are in fluid communication with the dust suction chamber (10); A brush head (2) is used to clean an object to be cleaned and is rotatably arranged on the front side of the housing (1); the brush head (2) is at least partially located in the dust suction chamber (10) and the rotation axis extends vertically; It is characterized by also including: A transfer member (31) is arranged in the housing (1) and its extension direction intersects with the travel direction of the cleaning machine. The transfer member (31) is arranged to slide back and forth along its own extension direction, and a power output end of the transfer member (31) is connected to the brush head (2) so as to drive the brush head (2) to rotate forward or reverse accordingly under the action of its own reciprocating sliding; and A driving mechanism (32) is disposed on the housing (1) and adjacent to the transfer member (31), and a power output end of the driving mechanism (32) is drivingly connected to a power input end of the transfer member (31); The housing (1) is provided with a slide seat (33) at a position adjacent to the front side, the slide seat (33) having a slide groove (33a) extending leftward and rightward and opening upward, and the transfer member (31) can be slidably restrained in the slide groove (33a) of the slide seat (33); The front side of the slide seat (33) is provided with a linkage disk (34), and the linkage disk (34) is arranged to be relatively fixed with the brush head (2), so that the linkage disk (34) and the brush head (2) can rotate synchronously relative to the housing (1); The transfer member (31) also has a connecting rod (35) extending forward, the front end of which is connected to the linkage disk (34), and can drive the linkage disk (34) and the brush head (2) to rotate forward or reverse correspondingly under the action of the reciprocating sliding of the transfer member (31), thereby causing the brush head (2) to reciprocate around its own rotation axis; The rear end of the connecting rod (35) is rotatably connected to the transfer member (31), and the front end of the connecting rod (35) is rotatably connected to the linkage disk (34) and is eccentrically arranged relative to the rotation axis of the linkage disk (34).

2. The floor brush module according to claim 1, characterized in that: It also includes a transmission box (3), the interior of the transmission box (3) is hollow to form a mounting cavity (30), and the sliding seat (33) and the transfer member (31) are both arranged in the mounting cavity (30).

3. The floor brush module according to claim 2, characterized in that: The front side of the housing (1) is provided with a mounting groove (11), the transmission box (3) is detachably mounted in the mounting groove (11), a mounting hole (12) is provided on the bottom wall of the mounting groove (11), a gap is left between the lower edge of the mounting hole (12) and the floor surface to be cleaned to form the dust suction chamber (10), and when the transmission box (3) is mounted in the mounting groove (11), the brush head (2) is constrained in the mounting hole (12) and at least the lower end is located in the dust suction chamber (10) below the mounting hole (12).

4. The floor brush module according to claim 3, characterized in that: The mounting groove (11) is provided with at least two mounting holes (12) in the length direction thereof, the transmission box (3) has at least two transmission shafts (36) arranged corresponding to the mounting holes (12), a brush head (2) is correspondingly mounted on the lower end of each transmission shaft (36), and the linkage disk (34) is correspondingly arranged on the upper end of each transmission shaft (36).

5. The floor brush module according to any one of claims 1 to 4, characterized in that: It also comprises a water outlet seat (4) and a pump body (5) for pumping cleaning water in the cleaning machine clean water tank to the water outlet seat (4); the water outlet seat (4) is arranged in the housing (1) and its water outlet end is fluidically connected to the dust suction chamber (10).

6. The floor brush module according to claim 5, characterized in that: The water inlet end of the water outlet seat (4) is located on the moving path of the transfer member (31).

7. The floor brush module according to claim 6, characterized in that: The water outlet end of the pump body (5) is connected to the water inlet end of the water outlet seat (4) via a water pipe (50), and the transfer member (31) has a pressure head (311) on the side adjacent to the water pipe (50), and the pressure head (311) can intermittently act on the water pipe (50) under the action of the reciprocating sliding of the transfer member (31).

8. The floor brush module according to claim 7, characterized in that: The sliding seat (33) has a limiting groove (33b) with an opening facing upward, and the water conduit (50) is at least partially embedded in the limiting groove (33b).

9. The floor brush module according to claim 8, characterized in that: Along the moving direction of the transfer member (31), the limiting groove (33b) is arranged at the end of the sliding groove (33a), and its extending direction intersects with the extending direction of the sliding groove (33a).

10. The floor brush module according to claim 9, characterized in that: The slide seat (33) comprises a guide body (331) and a support body (332); the slide groove (33a) is provided on the guide body (331); the support body (332) is located on the side of the guide body (331) and a gap is left between the support body (332) and the guide body (331) to form the limit groove (33b).

11. The floor brush module according to claim 10, characterized in that: The side walls of the support body (332) adjacent to the guide body (331) are arranged obliquely from front to back in a direction away from the guide body (331), so that the notch of the limiting groove (33b) gradually increases from front to back.

12. A cleaning machine, comprising a floor brush module as claimed in any one of claims 1 to 11, and further comprising a dust separation module (101) and a fan module (102), wherein the floor brush module (100), the dust separation module (101) and the fan module (102) are arranged in sequence along the flow direction of the airflow, the inlet end of the floor brush module (100) is the air inlet (1a) of the outer shell (1), and the outlet end of the floor brush module (100) is the air outlet (1b) of the outer shell (1).

13. The cleaning machine according to claim 12, characterized in that: The cleaning machine is a floor scrubber.

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