CN213079247U - Cleaning machine - Google Patents

Abstract

The utility model provides a cleaning machine, which belongs to the technical field of cleaning equipment and aims to solve the problems that after the brush is replaced each time, the position of the brush needs to be corrected again, which wastes manpower and reduces production efficiency; the two supporting mechanisms are respectively fixed on two sides of the shell, and each supporting mechanism comprises at least one sliding seat which vertically slides relative to the shell; the end part of the brush is rotatably connected with the sliding seat through a transmission structure, and the supporting mechanism is provided with a limiting structure for limiting the movement of the sliding seat when the brush is positioned at a zero point. The utility model provides a cleaning machine can avoid the brush after the change to appear the deviation rather than zero position, need not to rectify the mounted position of brush, can practice thrift the human cost and promote production efficiency.

Description

Cleaning machine

Technical Field

The utility model relates to a cleaning equipment technical field especially relates to a cleaning machine.

Background

In the manufacturing process of the display panel, some contaminants may adhere to the surface of the substrate, and therefore, the substrate needs to be cleaned by a cleaning machine to remove the contaminants on the surface of the substrate.

The cleaning machine comprises a shell, a supporting mechanism and a driving mechanism, wherein the supporting mechanism and the driving mechanism are arranged on the shell; the sliding seat is used for fixing the hairbrush, and the hairbrush can rotate relative to the sliding seat; the supporting mechanism is connected with the driving mechanism through a transmission mechanism, and the sliding seat can move up and down along the guide shaft under the driving of the driving mechanism so as to drive the brush to move up and down relative to the shell; the brush has a zero position on the housing to ensure that the brush contacts the surface of the substrate.

After a brush in the cleaning machine is used for a period of time, a new brush needs to be replaced, however, after the brush is replaced every time, the brush has displacement deviation with the zero position, the installation position of the brush needs to be corrected, manpower is consumed, and production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a cleaning machine can avoid the brush after the change to appear the deviation rather than zero position, need not to rectify the mounted position of brush, can practice thrift the human cost and promote production efficiency.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

the embodiment of the utility model provides a cleaning machine, which comprises a shell, a brush and at least two supporting mechanisms; the two supporting mechanisms are respectively fixed on two sides of the shell, and each supporting mechanism comprises at least one sliding seat which vertically slides relative to the shell; the end part of the brush is rotatably connected with the sliding seat through a transmission structure, and the supporting mechanism is provided with a limiting structure for limiting the movement of the sliding seat when the brush is positioned at a zero point.

In an alternative embodiment, each support mechanism further comprises at least one vertically arranged guide shaft, and the sliding seat is slidably arranged on the guide shaft; and the sliding seat is provided with an adjusting structure for enabling the sliding seat to slide on the guide shaft in a reciprocating manner.

In an alternative embodiment, the adjustment structure comprises an eccentric wheel and a drive motor; the sliding seat is provided with a groove for accommodating the eccentric wheel to rotate, the eccentric wheel is arranged in the groove, and the eccentric wheel is connected with the driving motor.

In an optional embodiment, a transmission shaft, a worm wheel and a worm are arranged between the driving motor and the eccentric wheel; the eccentric wheel is installed on the transmission shaft, the worm wheel is installed at the end part of the transmission shaft, the worm wheel is meshed with the worm, and the worm is connected with the driving motor.

In an optional embodiment, the limiting structure comprises a limiting block, a limiting rod and a limiting screw rod; the first end of the limiting rod is fixed on the shell, and the second end of the limiting rod extends to the sliding seat; the limiting block is positioned on the sliding seat, and the limiting block is opposite to the second end and is provided with a gap; the limiting screw rod is located at the second end of the limiting rod, and the limiting screw rod is rotatably connected with the second end.

In an alternative embodiment, the stop bar is L-shaped, comprising a first bar section and a second bar section; one end of the first rod section extends towards the shell and is fixed on the shell, and the other end of the first rod section is connected with the second rod section; one end, far away from the first rod section, of the second rod section extends towards the limiting block and is provided with the limiting screw opposite to the limiting block.

In an optional embodiment, at least two nuts which are locked with each other are arranged on the limiting screw rod; the two nuts are located on one side of the limiting rod and are abutted to the limiting rod.

In an alternative embodiment, the sliding seat is provided with a first through hole and a second through hole, and the axis of the first through hole is perpendicular to the axis of the second through hole; the rotating shaft of the brush is arranged in the first through hole, the guide shaft is arranged in the second through hole, and the guide shaft is in clearance fit with the second through hole.

In an alternative embodiment, the supporting mechanism comprises two parallel guide shafts, and the sliding seat is provided with two second through holes which are in clearance fit with the guide shafts.

In an alternative embodiment, the guide shaft is provided with two sliding seats, and the two sliding seats are arranged on the guide shaft at intervals and are positioned at different heights.

The cleaning machine provided by the embodiment of the utility model has the following advantages;

the embodiment of the utility model provides a cleaning machine, it includes the supporting mechanism who sets up in the casing both sides, and every supporting mechanism includes the slide that slides vertically relative to the casing respectively, and the tip of brush is rotated through the transmission structure and is connected on the slide to make the relative slide of brush rotate; the supporting mechanism is further provided with a limiting structure, and the limiting structure is used for fixing the sliding seat when the hairbrush is located at the zero point position. In the embodiment, when the brush is positioned at the zero point, the height of the sliding seat can be fixed; therefore, in the process of replacing the hairbrush, the position of the sliding seat is kept unchanged, the hairbrush after replacement can be positioned at the zero position, the installation position of the hairbrush does not need to be corrected, the labor cost can be saved, and the production efficiency can be improved.

In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, other technical problems, technical features included in the technical solutions, and advantageous effects brought by the technical features that can be solved by the cleaning machine provided by the present invention will be described in further detail in the detailed description of the embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, it should be apparent that the drawings in the following description are only a part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without creative efforts.

Fig. 1 is a schematic view of the overall structure of a cleaning machine according to the present invention;

fig. 2 is a first schematic view of the connection between the slide seat and the limit rod according to the embodiment of the present invention;

fig. 3 is a second schematic view of the connection between the slide seat and the limit rod according to the embodiment of the present invention;

fig. 4 is a schematic connection diagram of a worm wheel, a worm and an eccentric wheel provided in the embodiment of the present invention;

fig. 5 is a schematic structural view of a limiting rod according to an embodiment of the present invention;

fig. 6 is a first schematic diagram of two sliders connected to a guide shaft according to the embodiment of the present invention;

fig. 7 is a second schematic view of two sliders connected to the guide shaft according to an embodiment of the present invention.

Description of reference numerals:

10-a housing; 11-side plate;

12-a base plate; 20-a slide;

21-a limiting block; 22-a first via;

30-a guide shaft; 40-a limiting rod;

41-connecting plate; 42-a first pole segment;

43-a second pole segment; 50-a limit screw;

51-a nut; 60-eccentric wheel;

70-a worm; 80-a worm gear;

90-a transmission shaft; 100-brush;

431-threaded hole.

Detailed Description

The cleaning machine comprises a shell, a driving mechanism, a brush and a supporting mechanism for bearing the brush, wherein the supporting mechanism is fixed on the shell and comprises a guide shaft and a sliding seat arranged on the guide shaft, and the brush is arranged on the sliding seat; the driving mechanism is used for driving the sliding seat to move along the guide shaft so that the brush cleans the surface of the object to be cleaned. After the brush is used for a period of time, the brush needs to be replaced, displacement deviation exists between the replaced brush and the preset zero position of the brush, the mounting position of the replaced brush needs to be adjusted, and the brush needs to be adjusted to the zero position. However, the brush needs to be corrected after each replacement, which is labor-consuming and reduces the production efficiency.

In order to solve the above problems, an embodiment of the present invention provides a cleaning machine, wherein a position-limiting structure is disposed between a housing and a slide seat, one end of the position-limiting structure is fixed on the housing, and the other end of the position-limiting structure can extend toward the slide seat; the limiting structure can fix the height of the sliding seat at the zero position, so that the sliding seat is prevented from moving vertically relative to the shell in the process of replacing the hairbrush; thereby avoiding the position of the brush after replacement from deviating from the zero position, and therefore, the brush after replacement does not need to be corrected, the labor cost can be saved, and the production efficiency can be improved.

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1, the cleaning machine provided by the embodiment of the present invention includes a housing 10, at least two supporting mechanisms, and a brush 100 installed between the two supporting mechanisms; wherein, the two ends of the brush 100 are rotatably connected to the supporting mechanism through the transmission structure, and the brush 100 is rotatable relative to the housing 10 under the driving of the driving force, and can clean the surface of the object to be cleaned. The housing 10 includes two side plates 11 and a bottom plate 12 between the two side plates 11, the bottom plate 12 and the two side plates 11 forming a mounting space of the brush 100. The brush 100 is disposed in the housing 10, and the supporting means is disposed outside the housing 10 and fixed to the side plate 11 of the housing 10, and the bottom plate 12 of the housing 10 is generally fixed to the ground.

To facilitate understanding of the installation manner of the supporting mechanism and the brush in the present embodiment, as shown in fig. 1 to 3, the present embodiment defines the height direction of the housing (moving direction of the brush) as the Z-axis direction, the length direction of the housing (conveying direction of the object to be cleaned in the housing) as the Y-axis direction, the width direction of the housing as the X-axis direction, along which two side plates of the housing are respectively arranged on the bottom plate of the housing, and the side plate 11 shown in fig. 2 and 3 is a partial schematic view of the side plate.

Referring to fig. 1 to 3, two support mechanisms are respectively disposed on two sides of the housing 10, and each support mechanism includes at least one sliding seat 20, and the sliding seat 20 is slidably disposed on the side plate 11 of the housing 10 and can vertically slide relative to the housing 10 under the driving force.

For example, each support mechanism comprises at least one guide shaft 30 and at least one slide 20 mounted on the guide shaft 30; wherein, one end of the guiding axle 30 is fixed on the housing 10, the sliding seats 20 are used for installing the brush 100, and each sliding seat 20 is respectively installed with a brush 100, the brush 100 can move along the guiding axle 30 along with the sliding seat 20, and simultaneously the brush 100 can rotate relative to the sliding seat 20.

For example, the two supporting mechanisms provided in this embodiment are respectively located at two sides of the side plate 11 of the housing 10, each supporting mechanism includes two guiding shafts 30, the two guiding shafts 30 are parallel and opposite to each other, and the guiding shafts 30 are vertically installed and fixed on the side plate 11 of the housing 10.

Two second through holes are formed in the sliding base 20, each second through hole is in clearance fit with the guide shaft 30, that is, the sliding base 20 is installed on the two guide shafts 30 through the two second through holes, and the sliding base 20 can move up and down along the guide shafts 30 under the action of driving force. The sliding base 20 of this embodiment is installed on two guiding shafts 30, so as to improve the stability of the sliding base 20 moving up and down, and improve the cleaning effect of the brush 100 on the object to be cleaned.

In addition, the sliding base 20 is further provided with a first through hole 22, an axis of the first through hole 22 is perpendicular to an axis of the second through hole, the first through hole 22 is matched with a rotating shaft of the brush 100, so that the brush 100 can be installed on the sliding base 20, and the brush 100 can rotate relative to the sliding base 20 under the action of a steering force, so that the brush 100 rotates relative to the surface of the object to be cleaned, and the surface of the object to be cleaned is wiped.

In the two oppositely disposed supporting mechanisms, a corresponding adjusting structure may be disposed in one sliding seat 20, each adjusting structure includes a driving motor and an eccentric 60, and the driving motor transmits a driving force to the sliding seat 20 through the eccentric 60 to drive the sliding seat 20 to move up and down along the guide shaft 30. For example, the bottom of the sliding seat 20 is provided with a groove for accommodating the eccentric 60, the eccentric 60 abuts against the groove surface of the groove, the eccentric 60 is arranged on the output shaft of the driving motor, and the eccentric 60 rotates along with the output shaft of the driving motor along with the rotation of the driving motor, so that the sliding seat 20 can reciprocate along the guide shaft 30 in the vertical direction.

As shown in fig. 4, in order to adjust the arrangement position of the driving motor, the adjusting structure further includes a worm gear 80, a worm 70 and a transmission shaft 90 disposed between the eccentric wheel 60 and the driving motor, wherein the transmission shaft 90 is located below the sliding base 20, the eccentric wheel 60 is fixedly mounted on the transmission shaft 90 and can rotate along with the transmission shaft 90, the eccentric wheel 60 abuts against the sliding base 20, the eccentric wheel 60 has a variable displacement when rotating in the circumferential direction, and further, the sliding base 20 can be driven to move up and down along the guide shaft 30.

The worm wheel 80 and the worm 70 which are engaged with each other are used for transmitting the driving force of the driving motor to the transmission shaft 90 so as to drive the transmission shaft 90 to rotate, wherein the worm wheel 80 is fixed at one end of the transmission shaft 90 close to the worm, and the axial direction of the transmission shaft 90 is vertical to the axial direction of the worm 70; one end of the worm 70 is connected with the driving motor, and the other end of the worm 70 is meshed with the worm wheel 80; the driving motor drives the worm 70 to rotate, and the driving force is transmitted to the transmission shaft 90 along the worm 70 and the worm wheel 80 and drives the eccentric wheel 60 to rotate, so that the sliding seat 20 can ascend or descend along the guide shaft 30 under the driving of the eccentric wheel 60.

It can be understood that the cleaning machine in this embodiment further includes another set of driving mechanism for providing driving force for the brush 100, for convenience of description, the driving mechanism for providing driving force for the sliding base 20 can be defined as a first driving motor, and the driving mechanism for providing steering force for the brush 100 can be defined as a second driving motor, and the second driving motor is connected to the brush 100 through a transmission structure and drives the brush 100 to rotate.

In this embodiment, after the brush 100 is installed in the housing 10, a position of the brush 100, which is just in contact with the surface of the object to be cleaned, is defined as a zero point position, and when the brush 100 cleans the object to be cleaned, a height of the brush 100 may be below the zero point position, so that the brush 100 cleans the surface of the object to be cleaned; meanwhile, the height of the brush 100 can be above the zero point, so that a gap is formed between the brush 100 and the surface of the object to be cleaned, and the object to be cleaned can move relative to the brush 100. Therefore, each brush 100 has a zero position in order to secure the cleaning effect.

In order to ensure that the brush 100 is at the zero position after replacement, a limiting structure is disposed between the side plate 11 of the housing 10 and the sliding seat 20, and when the brush 100 is at the zero position, the limiting structure can fix the position of the sliding seat 20 to prevent the sliding seat 20 from moving on the guide shaft 30 during replacement of the brush 100.

Specifically, the limiting structure provided in this embodiment includes a limiting rod 40 and a limiting block 21; wherein, the first end of the limiting rod 40 can be fixed on the outer side surface of the side plate 11 of the shell 10, so that the height of the limiting rod 40 is fixed; the second end of the stopper 40 may extend in the width direction of the housing 10 (the direction indicated by the X-axis in fig. 3) and to the surface of the slider 20.

The limiting block 21 is disposed on the sliding seat 20, the limiting block 21 is disposed on a surface of the sliding seat 20 away from the outer side surface of the side plate 11 of the housing 10, and the limiting block 21 is opposite to the second end of the limiting rod 40 and is disposed above the second end of the limiting rod 40. Meanwhile, a gap is formed between the stopper 21 and the second end, so that the slider 20 can have a space to move downward.

Further, the limiting block 21 may be a limiting protrusion disposed on a surface of the sliding seat 20, the limiting protrusion protrudes out of the surface of the sliding seat 20 and is disposed opposite to the second end of the limiting rod 40, and a gap is formed between the limiting protrusion and the limiting rod 40. This embodiment forms stopper 21 with being provided with spacing arch on the surface of slide 20, and stopper 21 can be with slide 20 integrative preparation, strengthens the joint strength between stopper 21 and the slide 20 to promote the stability of stopper 21 to the locking of slide 20.

In order to lock the height of the slide seat 20 during the process of replacing the brush 100, so that the brush 100 after replacement is at the zero point position, the limiting structure provided by this embodiment further includes a limiting screw 50, and the limiting screw 50 is disposed at the second end of the limiting rod 40 and can rotate relative to the second end of the limiting rod 40. The end of the limit screw 50 abuts against the limit block 21, so that the position of the slide base 20 relative to the second end of the limit rod 40 is kept unchanged. It can be understood that, before the brush 100 is replaced, the first driving motor can drive the sliding base 20 to move along the guide shaft 30, and the brush 100 is in the zero position; after the adjustment is completed, the position of the slide base 20 is fixed by the limit screw 50. After the replacement of the brush 100 is completed, the locking of the slide base 20 by the limit screw 50 is released, so that the slide base 20 can move on the guide shaft 30, and the replaced brush 100 can work normally.

The embodiment of the utility model provides a cleaning machine, be provided with gag lever post 40 between curb plate 11 of casing 10 and slide 20, the first end of gag lever post 40 is fixed on curb plate 11 of casing 10, second end extensible to slide 20, the second end sets up relatively with stopper 21 and both have the clearance in the direction of height, the second end is provided with stop screw 50, stop screw 50 and stopper 21 butt, in order to fix slide 20, prevent that it from moving down changing 100 in-process brushes, can avoid proofreading and correct brush 100 after the change, and then can use manpower sparingly and improve production efficiency.

As shown in fig. 5, on the basis of the above-mentioned embodiment, the present embodiment provides a stop rod 40 including a first rod segment 42 and a second rod segment 43, and the first rod segment 42 and the second rod segment 43 are connected together to form an L-shaped structure. One end of the first rod segment 42 is fixed on the outer side surface of the side plate 11 of the housing 10, and the first rod segment 42 extends in a direction perpendicular to the side plate 11 of the housing 10, and one end of the first rod segment 42 away from the side plate 11 of the housing 10 is connected with the second rod segment 43.

In order to fix the first rod segment 42 on the side plate 11 of the housing 10, a connecting plate 41 is disposed at an end of the first rod segment 42 facing the side plate 11, the connecting plate 41 may be a square plate, the first rod segment 42 is fixed on the connecting plate 41, the first rod segment 42 may be fixed on the connecting plate 41 by welding, and the connecting plate 41 may be fixed on the side plate 11 of the housing 10 by screws.

The second rod section 43 is arranged parallel to the surface of the carriage 20, which may be the surface of the carriage 20 facing away from the side plate 11 of the housing 10; the second rod section 43 is perpendicular to the first rod section 42, one end of the second rod section 43 is fixed on the first rod section 42, the other end of the second rod section 43 can extend to the surface of the sliding base 20 and is opposite to the limiting block 21 arranged on the sliding base 20, and a gap is formed between the limiting block 21 and the second rod section 43, so that the replaced brush 100 can move to a position below a zero point, and the normal work of the brush 100 is ensured.

The threaded hole 431 is formed in the area, opposite to the limiting block 21, of the second rod section 43, the threaded hole 431 is matched with the limiting screw 50, when the brush 100 needs to be replaced, the limiting screw 50 is installed in the threaded hole 431 of the second rod section 43, the end portion of the limiting screw 50 abuts against the limiting block 21, the situation that the slide seat 20 moves downwards along the guide shaft 30 in the process of replacing the brush 100 can be prevented, the phenomenon that the replacement brush 100 is displaced from the preset zero position is avoided, and the replacement brush 100 does not need to be corrected.

Further, the structural form of the limiting rod 40 is not limited to a split structure, and the first rod section 42 and the second rod section 43 may be integrally manufactured to enhance the structural strength of the limiting rod 40. In addition, the shape of the limiting rod 40 is not limited to the L-shaped structure, and may be other shapes, such as an arc-shaped rod; and will not be described in detail herein.

In addition, the gap between the limiting block 21 and the second rod section 43 may be greater than or equal to the distance between the zero position of the brush 100 and the position where the brush 100 moves to the lowest point, so as to ensure that the brush 100 has a sufficient downward moving space to increase the contact area between the brush 100 and the surface of the object to be cleaned, and meanwhile, the brush 100 has a certain extrusion force with respect to the surface of the object to be cleaned, so as to improve the cleaning effect on the surface of the object to be cleaned.

On the basis of the above embodiment, this embodiment is provided with at least two nuts 51 that lock each other on the limit screw 50, for example, two nuts 51 are provided on the limit screw 50, and two nuts 51 can be provided on one side of the limit rod 40 away from the limit block 21, and can prevent the limit screw 50 from loosening on the limit rod 40, and can further promote the abutting effect of the limit screw 50 on the limit block 21, and prevent the position of the slide base 20 on the guide shaft 30 from moving down in the process of replacing the brush 100.

As shown in fig. 6 and 7, the brushes 100 of the washing machine provided in this embodiment are arranged in pairs, that is, each supporting mechanism can be installed with two brushes 100 arranged oppositely, the two brushes 100 are located at different heights, and a gap is formed between the two brushes 100, so that the object to be cleaned is located between the two brushes 100; for example, the display panel is disposed between the two brushes 100, and the two brushes 100 can clean the front and the back of the display panel at the same time, so as to improve the cleaning efficiency.

Further, the cleaning machine provided by the embodiment includes a plurality of sets of brushes 100, each set of brushes includes two brushes 100 arranged oppositely from top to bottom, and two ends of each brush 100 are connected to two supporting mechanisms through a transmission structure. Two sliding seats 20 are included in each supporting mechanism, the two sliding seats 20 are arranged oppositely, and the two sliding seats 20 are mounted on the same or two guide shafts 30, and according to the number of the guide shafts 30 in the supporting mechanism, the two sliding seats 20 can be mounted on one guide shaft 30 or two guide shafts 30, and in the embodiment, the two sliding seats 20 are preferably mounted on two guide shafts 30 together, so as to ensure the stability of the sliding motion of the sliding seats 20 along the guide shafts 30.

Two sliders 20 are arranged on the guide shaft 30 at intervals, the two sliders 30 are respectively located at different heights, the two sliders 20 located on the same supporting mechanism are respectively connected with a brush 100, each slider 20 is respectively connected with a first driving motor, under the action of the first driving motors, the two sliders 20 ascend and descend along the guide shaft 30, the two sliders 20 move oppositely or move back to back, and namely the two brushes 100 can be close to the display panel or be away from the display panel simultaneously.

For example, the washing machine of the present embodiment includes four brushes 100, the four brushes 100 are divided into two groups, and the two groups of brushes are arranged at intervals along the conveying direction of the articles to be cleaned in the washing machine; correspondingly, the cleaning machine needs to be provided with four supporting mechanisms, two supporting mechanisms are arranged on one side of the shell 10, another two supporting mechanisms are arranged on the other side of the shell 10, the supporting mechanisms on two sides of the shell 10 are oppositely arranged, each supporting mechanism is provided with two sliding seats 20, the two sliding seats 20 are respectively arranged on different heights of the guide shaft 30, a brush 100 is arranged on the sliding seats 30 which are oppositely arranged on two sides of the shell 10 and are arranged on the same height, and the brush 100 can rotate relative to the sliding seats 20 and can move up and down along with the sliding seats 20.

It is understood that the number of the brushes 100 is not limited in the present embodiment, and of course, the brushes 100 are not necessarily arranged in pairs, or the brushes in the same group may be arranged in a staggered manner, and the staggered brushes may be respectively mounted on the supporting mechanisms at different positions, and each supporting mechanism may also be provided with a sliding seat 20. The cleaning machine provided by the embodiment comprises a plurality of brushes 100, wherein the two brushes 100 are respectively arranged up and down oppositely, and can be arranged on the guide shaft 30 of the same supporting mechanism through the sliding seat 20, so that the cleaning efficiency of the display panel can be improved, the structure of the cleaning machine can be simplified, and the manufacturing cost of the cleaning machine can be saved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Claims (10)

1. A cleaning machine is characterized by comprising a shell, a brush and at least two supporting mechanisms;

the two supporting mechanisms are respectively fixed on two sides of the shell, and each supporting mechanism comprises at least one sliding seat which vertically slides relative to the shell;

the end part of the brush is rotatably connected with the sliding seat through a transmission structure, and the supporting mechanism is provided with a limiting structure for limiting the movement of the sliding seat when the brush is positioned at a zero point.

2. The cleaning machine of claim 1 wherein each of said support mechanisms further comprises at least one vertically disposed guide shaft, said carriage being slidably disposed on said guide shaft;

and the sliding seat is provided with an adjusting structure for enabling the sliding seat to slide on the guide shaft in a reciprocating manner.

3. The cleaning machine of claim 2 wherein the adjustment structure includes an eccentric and a drive motor;

the sliding seat is provided with a groove for accommodating the eccentric wheel to rotate, the eccentric wheel is arranged in the groove, and the eccentric wheel is connected with the driving motor.

4. The cleaning machine as claimed in claim 3, wherein a transmission shaft, a worm wheel and a worm are further arranged between the driving motor and the eccentric wheel;

the eccentric wheel is installed on the transmission shaft, the worm wheel is installed at the end part of the transmission shaft, the worm wheel is meshed with the worm, and the worm is connected with the driving motor.

5. The cleaning machine of claim 1, wherein the limiting structure comprises a limiting block, a limiting rod and a limiting screw;

the first end of the limiting rod is fixed on the shell, and the second end of the limiting rod extends to the sliding seat; the limiting block is positioned on the sliding seat, and the limiting block is opposite to the second end and is provided with a gap;

the limiting screw rod is located at the second end of the limiting rod, and the limiting screw rod is rotatably connected with the second end.

6. The cleaning machine of claim 5 wherein the restraint bar is L-shaped and includes a first bar section and a second bar section;

one end of the first rod section extends towards the shell and is fixed on the shell, and the other end of the first rod section is connected with the second rod section;

one end, far away from the first rod section, of the second rod section extends towards the limiting block and is provided with the limiting screw opposite to the limiting block.

7. The cleaning machine of claim 5 or 6, wherein at least two nuts locked to each other are mounted on the limit screw;

the two nuts are located on one side of the limiting rod and are abutted to the limiting rod.

8. The cleaning machine according to claim 2, characterized in that said slide is provided with a first through hole and a second through hole, the axis of said first through hole being perpendicular to the axis of said second through hole;

the rotating shaft of the brush is arranged in the first through hole, the guide shaft is arranged in the second through hole, and the guide shaft is in clearance fit with the second through hole.

9. The cleaning machine of claim 8 wherein said support mechanism includes two said guide shafts arranged in parallel, said carriage being provided with two said second through holes in clearance fit with said guide shafts.

10. The cleaning machine of claim 2 or 9 wherein said guide shaft is mounted with two of said carriages spaced apart on said guide shaft and located at different heights.

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