CN111000502A

CN111000502A - Floor brush assembly and vertical cleaning machine with same

Info

Publication number: CN111000502A
Application number: CN201911308919.6A
Authority: CN
Inventors: 吴健
Original assignee: Suzhou Cleanplus Electric Appliance Co ltd
Current assignee: Suzhou Cleanplus Electric Appliance Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-04-14

Abstract

The invention provides a floor brush assembly and a vertical cleaning machine with the floor brush assembly, which comprise a floor brush base, wherein the front end of the floor brush base is provided with a driving motor, the driving motor is connected with a rolling brush assembly, a clear water outlet pipeline and a sewage recovery system are also formed on the floor brush base, the sewage recovery system comprises a sewage tank, the upper end of the sewage tank is provided with a sewage tank cover, the front end of the sewage tank cover inclines towards the middle part to form a slope surface, the rear side horizontally extends towards the middle part to form a horizontal plane, vertical wall surfaces are respectively formed between the slope surfaces at the two sides and the horizontal plane, a sewage inlet is formed in the middle, the vertical wall surfaces respectively form a drainage angle α towards the sewage inlet, the clear water outlet pipeline comprises an upper floor brush water outlet cover plate and a lower floor brush water outlet cover plate which enclose to form a water storage chamber, and the water storage chamber is communicated with a water pump.

Description

Floor brush assembly and vertical cleaning machine with same

Technical Field

The invention relates to a floor brush assembly, in particular to a floor brush assembly for a vertical cleaning machine.

Background

The vertical cleaning machine is quite popular in the market due to good cleaning effect and wide application range. The existing vertical cleaning machine generally comprises a machine body and a floor brush, wherein a cleaning rolling brush and a clean water outlet and sewage recovery system are arranged on the floor brush, for example, patent WO2019029821A1 discloses a vertical cleaning machine, a clean water outlet system of the vertical cleaning machine is positioned above the sewage recovery system, and clean water outlet of the vertical cleaning machine is realized only through a clean water pipeline.

Disclosure of Invention

The invention aims to solve the technical problem that the prior art is insufficient, and provides a floor brush assembly which can uniformly discharge water and prevent sewage from flowing back, so that better use experience is provided for users.

The technical problem to be solved by the invention is realized by the following technical scheme:

a floor brush assembly comprises a floor brush upper cover and a floor brush base, wherein a driving motor is arranged at the front end of the floor brush base, the driving motor is connected with a rolling brush assembly, a clear water outlet pipeline and a sewage recovery system are further formed on the floor brush base, the sewage recovery system is arranged below the floor brush upper cover and comprises a sewage tank, the sewage tank is arranged on the floor brush base, a sewage tank cover is arranged at the upper end of the sewage tank, the front end of the sewage tank cover inclines towards the middle to form a slope, the rear side horizontally extends towards the middle to form a horizontal plane, vertical wall surfaces are respectively formed between the slope surfaces at two sides and the horizontal plane, a sewage inlet is formed in the middle, a drainage angle α is respectively formed between the vertical wall surfaces and the sewage inlet, a sewage recovery channel is formed between the floor brush upper cover and the slope surfaces, a clear water outlet pipeline is arranged below the sewage recovery system and comprises a floor brush upper cover plate and a floor brush lower cover plate, a plurality of water outlets are uniformly distributed on the front side of the floor brush upper cover plate, the floor brush upper cover plate and the floor brush lower cover plate define a water storage chamber, and a water pump chamber are communicated with a;

preferably, a positioning stud is arranged in the middle of the front side of the floor brush base, and the water outlet upper cover plate and the floor brush water outlet lower cover plate are sleeved on the positioning stud and are positioned on the floor brush base through bolts; the middle part of the base of the floor brush is provided with two convex ribs, a channel is formed between the two convex ribs, the water pump is connected with the water storage chamber through a silica gel hose, and the silica gel hose is positioned in the channel;

preferably, the angle of α is in the range of 10 ° -30 °;

preferably, the slope surface is at least partially located below the horizontal plane;

preferably, a rotating shaft is formed at the front end of the sewage tank cover, a rotating shaft seat is correspondingly arranged on the sewage tank, and the sewage tank cover can be opened in a rotating mode relative to the sewage tank;

preferably, the bottom of the front end of the upper cover of the floor brush is provided with a metal rolling rod, and the metal rolling rod is deeply inserted into at least part of the fluff layer of the rolling brush;

preferably, the rolling brush assembly comprises a rolling brush body, a bearing, a rotating shaft, a rolling brush end cover and a rotating cover plate, the rolling brush body is sleeved on the periphery of the driving motor, the rotating shaft is fixedly connected with the rolling brush body and sleeved on the bearing inner ring, the rolling brush end cover is sleeved on the bearing outer ring, and the rotating cover plate is fixedly connected with the rolling brush end cover; the floor brush base is provided with a clamping groove and a release button, the rotary cover plate is provided with a plurality of clamping hooks corresponding to the clamping groove and clamping holes corresponding to the release button, the floor brush base is also provided with a limiting groove, and the periphery of the rolling brush end cover is correspondingly provided with a limiting sheet;

the invention also provides a vertical cleaning machine, which comprises a vertical operating part and a floor brush assembly, wherein the vertical operating part can rotate back and forth relative to the floor brush assembly, the vertical operating part comprises a handle, an extension rod and a machine body which are sequentially connected, the extension rod comprises a telescopic rod and a fixed rod, the telescopic rod is telescopically connected onto the fixed rod, and the floor brush assembly is the floor brush assembly;

preferably, a battery, a circuit board and a water pump are arranged in the machine body, a machine body front cover plate is arranged on the front side of the machine body, a support groove is formed at the upper end of the machine body front cover plate, and a clean water pipeline is connected between the support groove and the water pump; the vertical operation part also comprises a clean water tank, the lower end of the clean water tank is provided with a water outlet, the upper end of the fixed rod is provided with a clamping block, the lower side of the clamping block is provided with a positioning bulge, the top of the clean water tank is correspondingly provided with a positioning groove, and the clean water tank is detachably connected between the clamping block and the bracket;

preferably, a magnet is arranged on the inner side of the floor brush base, a hall switch is correspondingly arranged on one side of the machine body facing the floor brush base, the hall switch is electrically connected with the circuit board, the magnet and the hall switch are configured in such a way that when the vertical operating part forms a working angle β relative to the ground, the vertical cleaning machine normally works, and when the vertical operating part exceeds a working angle β relative to the ground, the vertical cleaning machine stops working, and the angle range of β is 0-100 degrees.

According to the invention, the water storage chamber is arranged on the floor brush component, so that clear water is uniformly discharged, and the rolling brush is fully wetted, thereby being beneficial to cleaning the floor surface; through improving the sewage recovery structure, the sewage tank has larger capacity, can prevent the sewage from flowing back to form secondary pollution, and has outstanding substantive characteristics and remarkable progress.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a block diagram of the clear water tank;

FIG. 5 is a cross-sectional view of the floor brush assembly;

FIG. 6 is a schematic view of a base of the floor brush;

FIG. 7 is a structural view of a sewage tank;

FIG. 8 is a cross-sectional view of the roller brush assembly;

FIG. 9 is a schematic view of a floor brush assembly;

FIG. 10 is a schematic view of a rotating cover plate;

FIG. 11 is a partial cross-sectional view of the present invention;

fig. 12 is a partial enlarged view of the handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, a vertical washing machine includes a vertical operating part 1 and a floor brush assembly 2, a user performs a floor surface cleaning operation on the floor brush assembly 2 through the vertical operating part 1, and the vertical operating part 1 is rotatable back and forth relative to the floor brush assembly 2 in order to accommodate different operating angles.

As shown in fig. 1-3, the vertical operation part 1 comprises a handle 3, an extension rod 4 and a machine body 5 which are connected in sequence, a power switch 31 and a water quantity switch 32 are arranged on the front side of the handle 3 and are respectively used for switching on and off a power supply and regulating water quantity, and a water spray switch 33 is arranged on the inner side of the handle 3 and is used for pressing and spraying water; the extension rod 4 comprises an extension rod 41 and a fixing rod 42, the upper end of the extension rod 41 is fixed with the handle 3, and the lower end of the extension rod 41 is telescopically connected to the fixing rod 42. in the embodiment, the fixing rod 42 is hollow, the extension rod 41 can be inserted into the fixing rod 42 to form telescopic connection, the extension rod 4 is provided with a buckling piece 43, the telescopic amount of the extension rod 41 is adjusted through the buckling piece 43, so that the overall height of the extension rod 4 is adjusted, the lower end of the fixing rod 42 is connected with the machine body 5, the back side of the machine body 5 is provided with a clamping button 57, and; the inside battery 51 that is equipped with of fuselage 5, circuit board 52 and water pump 53, battery 51 and circuit board 52 are vertical setting, and water pump 53 is located battery 51's below, and 5 front sides of fuselage are equipped with fuselage front shroud 54, and fuselage front shroud 54 upper end forms a support groove 541, is connected with clear water pipeline 55 between support groove 541 and the water pump 53, and for the convenience of suggestion user battery power, still be equipped with electric quantity pilot lamp 542 on the

fuselage front shroud

54, and 5 lower extreme left and right sides of fuselage are equipped with the rotation axis 56,56 ' of being connected with scrubbing brush subassembly 2, rotation axis 56,56 ' extend towards the outside respectively.

Vertical operation portion 1 still includes clear water tank 6, as shown in fig. 4, clear water tank 6 top is equipped with water filling port 61, the lower extreme is equipped with delivery port 62, for convenient fixed clear water tank 6, dead lever 42 upper end is equipped with joint piece 421, joint piece 421 downside is equipped with location arch 4211, the correspondence of clear water tank 6 top is equipped with positioning groove 63, during the installation clear water tank, put into earlier clear water tank 6 lower extreme in holding in the palm groove 541, promote clear water tank 6 again and make location arch 4211 fall into positioning groove 63 block, thereby realize clear water tank's fixed, ensure that can not take place to rock in the use, clear water tank 6 fixes the back, delivery port 62 and clear water pipeline 55 intercommunication.

As shown in fig. 2 and 5, the floor brush assembly 2 comprises an upper floor brush cover 20 and a floor brush base 21, a connecting portion 211 is arranged at the rear side of the floor brush base 21, a shaft hole 2111,2111 'corresponding to the rotating shaft 56, 56' is arranged on the connecting portion 211, an accommodating groove 212 is arranged in the middle of the floor brush base 21, a rolling brush assembly 26 is connected to the front side of the floor brush base 21, in order to realize cleaning and sewage recovery of the cleaning machine, a clear water outlet pipe and a sewage recovery system are formed on the floor brush assembly 2, the sewage recovery system comprises a sewage tank 22, the sewage tank 22 is arranged in the accommodating groove 212, a sewage tank cover 222 is arranged at the upper end of the sewage tank 22, a sealing gasket 221 is arranged between the sewage tank 22 and the sewage tank cover 222, the front end of the sewage tank cover 222 is inclined towards the middle to form a sewage inlet 2221, the rear side extends horizontally towards the middle to form a horizontal plane 2222, as shown in fig. 7, a vertical wall 2223,2223 'is respectively formed between the

inclined planes

2221 and 2222, a vertical wall is formed between the inclined planes 2222, a vertical wall 220' and 2222 ', a vertical wall is respectively, a vertical wall is formed towards the sewage inlet 223 respectively, a sewage inlet 36 is formed towards the sewage inlet 223, a sewage inlet is formed towards the sewage inlet 24, a sewage inlet 24 is formed respectively, a vertical wall is formed, a sewage inlet 24 is formed by a vertical wall 2223,2223' formed by a separate screw bolt 24, a separate screw bolt 24 is arranged to guide plug 23, a separate screw bolt 24 is arranged to guide the sewage inlet 23, a screw bolt 24 is arranged to guide the sewage inlet 21, a screw bolt 24 is arranged to guide the sewage outlet pipe 24, a screw bolt 24 is arranged to prevent clear water outlet 23, a swivel screw bolt 24 is arranged to connect the upper screw bolt 24, a swivel screw bolt 24 is arranged to connect the sewage outlet pipe 220 is arranged to prevent clear water outlet pipe 220, a drain outlet pipe 220 is arranged to connect the sewage outlet pipe 220 when the sewage outlet pipe 220 is arranged to a flush the sewage outlet pipe 220, a swivel drain outlet 23, a swivel drain outlet pipe 220 is arranged to a swivel plug 220 is arranged to a swivel drain outlet 23, a swivel plug 220 is arranged to connect the sewage tank 220, a swivel plug 220, a swivel drain outlet 23, a swivel plug 220 is arranged to connect a swivel plug 220 is arranged to a drain outlet pipe 220, a drain outlet 23, a swivel drain outlet 23 when the drain outlet 23, a swivel plug 220 is arranged to a swivel plug 220, a drain outlet 23, a swivel plug 220 is arranged to a drain outlet 23, a drain outlet 23.

As shown in fig. 8-10, a fixed end 213 is disposed at one end of the front side of the floor brush base 21, the fixed end 213 is connected to the driving motor 214, the roller brush assembly 26 is connected to an output shaft of the driving motor 214, the roller brush assembly 26 includes a roller brush body 261, a bearing 262, a rotating shaft 263, a roller brush end cover 264 and a rotating cover plate 265, the roller brush body 261 is sleeved on the periphery of the driving motor 214, the rotating shaft 263 is fixedly connected to the roller brush body 261 and sleeved on an inner ring of the bearing 262, the roller brush end cover 264 is sleeved on an outer ring of the bearing 262, and the rotating cover plate 265 is fixedly connected to the roller brush end cover 264, in this embodiment, the rotating cover plate 265 is provided with a stud 2651,2651', and the roller brush end cover 264 is correspondingly provided; in order to facilitate the assembly and disassembly of the roller brush assembly 26, a side of the floor brush base 21 away from the fixed end 213 is provided with a clamping groove 215 and a release button 216, the clamping groove 215 is located at an upper side edge of the floor brush base 21, the release button 216 is located at a side end surface, the release button 216 is axially retractable, the rotating cover 265 is provided with a clamping hole 2653 corresponding to the release button 216 and a plurality of clamping hooks 2652 corresponding to the clamping groove 215, in order to realize the rotation limit of the rotating cover 265, the side end surface of the floor brush base 21 is further provided with a limit groove 217, and the roller brush end cover 264 is correspondingly provided with a limit piece 2641, because the roller brush end cover 264 and the rotating cover 265 rotate synchronously, after the roller brush body 261 is sleeved on the driving motor 214, the rotating cover 265 is rotated, the roller brush end cover 264 drives the outer ring of the bearing 262 to rotate, when the limit piece 2641 is limited by the limit groove 217 and cannot rotate continuously, the clamping, at this time, the rolling brush assembly 26 is fixed on the floor brush base 21, and after the installation is completed, the driving motor 214 is started, and the rolling brush body 261 drives the inner ring of the bearing 262 to rotate relative to the rolling brush end cover 264.

As shown in fig. 11, a magnet 218 is further disposed inside the floor brush base 21, a hall switch 58 is correspondingly disposed on a side of the body 5 facing the floor brush base 21, the hall switch 58 is electrically connected to the circuit board 52, the magnet 218 and the hall switch 58 are configured such that when the vertical operation portion 1 forms a working angle β with respect to the ground, the hall switch 58 is not sensed by the magnet 218 to generate a signal, the vertical cleaning machine operates normally, when the vertical operation portion 1 exceeds a working angle β with respect to the ground, the hall switch 58 is sensed by the magnet 218 to generate a signal, the circuit board 52 receives the signal of the hall switch 58, controls the power to be turned off, and the vertical cleaning machine stops operating, preferably, the angle range of β is 0-100 °, in this embodiment, when the vertical operation portion 1 exceeds the working angle β with respect to the ground, the vertical operation portion 1 and the floor brush assembly 2 are relatively fixed, and timely cutting off the power supply prevents a safety hazard from occurring after a person.

In order to provide more cleaning modes, the present invention is provided with a water quantity adjusting system, specifically, the water pump 53 is provided with a water pump motor (not shown in the figure), the circuit board 52 is provided with a control circuit (not shown in the figure) for controlling the water pump motor to switch high gear or low gear operation, the water pump motor is connected with the control circuit, the control circuit receives a signal of the water quantity switch 32, it is necessary to explain how to realize the conventional technical means for the skilled in the art for switching the control circuit, which is not described herein again, as shown in fig. 12, the water quantity switch 32 is located at the front side of the handle 3, the water quantity indicator lamp 34 is arranged below the water quantity switch 32, the water quantity indicator lamps 34 comprise two, and when the power switch 31 is turned on, the water quantity switch 32 can switch between the first water quantity mode and the second water quantity mode, specifically, when the power switch 31 is pressed, the, the control circuit controls the low-gear operation of the water pump motor, so that a first water volume mode is formed, a small amount of water can be discharged by pressing the water spray switch 33 at the moment, the water volume switch 32 is pressed again, the two water volume indicating lamps 34 are all lightened, the control circuit controls the high-gear operation of the water pump motor, so that a second water volume mode is formed, the water yield of the water spray switch 33 is increased by pressing at the moment, for a user, the first water volume mode can be selected when only a small amount of stains on the surface of the ground need to be cleaned, and the second water volume mode can be selected when a large amount of water is sprayed on the surface of the ground to be cleaned.

The working principle of the invention is as follows: the power switch 31 is turned on, one water quantity indicator lamp 34 is turned on, the driving motor 214 drives the rolling brush body 261 to rotate, the water spray switch 33 is pressed at the moment, a small amount of water is discharged from the water outlet 232, the water quantity switch 32 is pressed again, the two water quantity indicator lamps 34 are turned on, the water discharge amount of the water outlet 232 is increased by pressing the water spray switch 33, the cleaning machine can carry out water spray cleaning operation in two water quantity modes, and the two water quantity modes can be switched randomly during operation; the cleaning agent flows from the clean water tank 6 to the water pump 53, is pumped into the water storage chamber 25 through the water pump 53, uniformly flows to the fluff layer of the rolling brush body 261 through the water outlet 232, the rolling brush body 261 rotates to brush and simultaneously absorbs the sewage on the ground surface, the metal rolling rod 203 wipes the fluff layer of the rolling brush body 261 and extrudes the sewage, the sewage flows into the sewage tank 22 through the slope surface 2221 of the sewage tank cover 222, the space on the front side of the sewage tank 22 is large due to the existence of the slope surface 2221, the sewage is not easy to flow back even if the cleaning machine is lifted in use, when the cleaning machine stops using, the vertical operation part 1 rotates towards the front side until the vertical operation part is fixed relative to the ground brush base 21, at the moment, the cleaning machine is automatically powered off, the rolling brush body 261 stops operating, if the rolling brush assembly 26 needs to be taken down for cleaning, the release button 216 needs to be pressed towards the inner side to enable the clamping hole 2653 to be separated from the release button 216, the rotating cover plate 2641 is, the roll brush assembly 26 is pulled out in a lateral direction to clean the whole, and the roll brush assembly 26 is mounted again as described above.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A floor brush assembly comprises a floor brush upper cover (20) and a floor brush base (21), a driving motor (214) is arranged at the front end of the floor brush base and connected with a rolling brush assembly (26), and a clear water outlet pipeline and a sewage recovery system are further formed on the floor brush base, and the floor brush assembly is characterized in that the sewage recovery system is arranged below the floor brush upper cover (20) and comprises a sewage tank (22), the sewage tank is located on the floor brush base (21), a sewage tank cover (222) is arranged at the upper end of the sewage tank (22), the front end of the sewage tank cover inclines towards the middle to form a slope surface (2221), the rear side horizontally extends towards the middle to form a horizontal surface (2222), a vertical wall surface (2223,2223 ') is formed between the slope surfaces (2221) at the two sides and the horizontal surface (2222), a sewage inlet (223 ') is formed in the middle, a drainage angle α is formed between the vertical wall surface (2223,2223 ') and the sewage inlet (223), a sewage recovery channel is formed between the floor brush upper cover plate (20) and the slope surface (2221), the clear water outlet pipeline is located below the floor brush cover plate, a plurality of upper water outlet pipeline and a water outlet pipeline (23) are uniformly distributed on the ground brush, and a water outlet chamber, and a plurality of the floor brush upper water outlet pipeline (23) are formed in a water outlet chamber, and a water storage chamber, and a plurality of the floor brush cover plate, and a plurality of the floor.

2. The floor brush assembly of claim 1, wherein: a positioning stud (219) is arranged in the middle of the front side of the floor brush base, and the upper water outlet cover plate (23) and the lower water outlet cover plate (24) of the floor brush are sleeved on the positioning stud and positioned on the floor brush base (21) through bolts; the scrubbing brush base middle part is equipped with two protruding muscle (220,220 '), forms a passageway between protruding muscle (220, 220'), and reservoir chamber (25) and water pump (53) pass through the silica gel hose connection, the silica gel hose is located in the passageway.

3. A floor brush assembly according to claim 1, wherein α is at an angle in the range of 10 ° to 30 °.

4. The floor brush assembly of claim 1, wherein: the ramp surface (2221) is at least partially located below the horizontal surface (2222).

5. The floor brush assembly of claim 1, wherein: the front end of the sewage tank cover (222) forms a rotating shaft (2224), the sewage tank (22) is correspondingly provided with a rotating shaft seat (224), and the sewage tank cover (222) can be rotatably opened relative to the sewage tank (22).

6. The floor brush assembly of claim 1, wherein: the bottom of the front end of the upper cover (20) of the floor brush is provided with a metal rolling rod (203), and the metal rolling rod (203) is embedded into at least part of the fluff layer of the floor brush.

7. The floor brush assembly of claim 1, wherein: the rolling brush assembly (26) comprises a rolling brush body (261), a bearing (262), a rotating shaft (263), a rolling brush end cover (264) and a rotating cover plate (265), wherein the rolling brush body is sleeved on the periphery of the driving motor (214), the rotating shaft (263) is fixedly connected with the rolling brush body (261) and sleeved on an inner ring of the bearing (262), the rolling brush end cover (264) is sleeved on an outer ring of the bearing (262), and the rotating cover plate (265) is fixedly connected with the rolling brush end cover (264); the floor brush base (21) is provided with a clamping groove (215) and a release button (216), the rotary cover plate (265) is provided with a plurality of clamping hooks (2652) corresponding to the clamping groove (215) and clamping holes (2653) corresponding to the release button (216), the floor brush base (21) is further provided with a limiting groove (217), and the periphery of the rolling brush end cover (264) is correspondingly provided with a limiting sheet (2641).

8. The utility model provides a vertical cleaning machine, includes vertical operation portion (1) and scrubbing brush subassembly (2), vertical operation portion (1) can rotate around for scrubbing brush subassembly (2), vertical operation portion is including handle (3), extension rod (4) and fuselage (5) that connect gradually, and extension rod (4) include telescopic link (41) and dead lever (42), and telescopic link (41) telescopic connection is on dead lever (42), its characterized in that: the floor brush assembly (2) is according to any of claims 1-7.

9. The vertical washer according to claim 8, wherein: a battery (51), a circuit board (52) and a water pump (53) are arranged in the machine body (5), a machine body front cover plate (54) is arranged on the front side of the machine body (5), a bracket (541) is formed at the upper end of the machine body front cover plate, and a clean water pipeline (55) is connected between the bracket and the water pump (53); the vertical operation portion further comprises a clean water tank (6), a water outlet (62) is formed in the lower end of the clean water tank, a clamping block (421) is arranged at the upper end of a fixing rod (42), a positioning protrusion (4211) is arranged on the lower side of the clamping block, a positioning groove (63) is correspondingly formed in the top of the clean water tank (6), and the clean water tank is detachably connected between the clamping block (421) and the bracket (541).

10. The vertical cleaning machine according to claim 8, characterized in that the magnet (218) is arranged on the inner side of the floor brush base (21), the Hall switch (58) is correspondingly arranged on the side of the machine body (5) facing the floor brush base (21), the Hall switch (58) is electrically connected with the circuit board (52), the magnet (218) and the Hall switch (58) are configured in such a way that the vertical cleaning machine normally operates when the vertical operating part forms an operating angle β relative to the ground, and the vertical cleaning machine stops operating when the vertical operating part exceeds an operating angle β relative to the ground, and the angle of β ranges from 0 ° to 100 °.