CN115726304A

CN115726304A - Dust removal box and road sweeper

Info

Publication number: CN115726304A
Application number: CN202211574774.6A
Authority: CN
Inventors: 魏星; 文亚龙; 肖来祥; 李亮
Original assignee: Guangdong Yingfeng Intelligent Environmental Sanitation Technology Co ltd; Changsha Zoomlion Environmental Industry Co Ltd
Current assignee: Guangdong Yingfeng Intelligent Environmental Sanitation Technology Co ltd; Changsha Zoomlion Environmental Industry Co Ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-03

Abstract

The invention discloses a dust removal box and a road sweeper with the dust removal box, wherein the dust removal box comprises a box body and a rolling brush, a dust removal channel is arranged in the box body, the rolling brush comprises a roller and brush bristles, the roller is rotatably connected with the box body, the brush bristles are connected with the roller and are arranged on the outer side of the roller in a divergent mode, and the brush bristles are configured into a filtering structure positioned between an inlet and an outlet of the dust removal channel. According to the dust removal box disclosed by the embodiment of the invention, the rolling brush can intercept and remove garbage in the airflow passing through the dust removal box so as to filter the airflow passing through the dust removal box.

Description

Dust removal box and road sweeper

Technical Field

The invention relates to the field of road sweeping equipment, in particular to a dust removal box and a road sweeper.

Background

In the related art, the road sweeper can clean the road garbage, for example, the suction nozzle sucks the road garbage on the ground for cleaning, but during the suction of the garbage by the suction nozzle, the airflow entering the road sweeper can carry the garbage such as dust, and the garbage can leave the road sweeper along with the airflow to cause environmental pollution, so the garbage needs to be filtered.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, it is an object of the invention to provide a dust box through which the air flow can be filtered by means of a roller brush.

Another object of the present invention is to provide a road sweeper, which includes the dust removing box.

According to the dust removing box disclosed by the embodiment of the invention, the dust removing box comprises a box body and the rolling brush, a dust removing channel is arranged in the box body, the rolling brush comprises the roller and the bristles, the roller is rotatably connected with the box body, the bristles are connected with the roller and are arranged on the outer side of the roller in a divergent manner, and the bristles are configured into the filtering structure positioned between the inlet and the outlet of the dust removing channel.

According to the dust removal box disclosed by the embodiment of the invention, the rolling brush can intercept and remove garbage in the airflow passing through the dust removal box so as to filter the airflow passing through the dust removal box.

In addition, the dust removing box according to the above embodiment of the present invention may further have the following additional technical features:

optionally, the dust removing box further comprises a filter screen, the filter screen is disposed outside the rolling brush and separates the rolling brush and an outlet of the dust removing channel, and the filter screen is configured to filter an airflow from the rolling brush to the outlet of the dust removing channel; the filter screen is configured into an arc shape extending around the roller, the roller is rotatably arranged on the inner side of the filter screen, and the bristles are suitable for cleaning the inner side surface of the filter screen.

Optionally, the screen is configured in an arc shape with an opening at a lower side, and the inlet of the dust removing channel is provided at the lower side of the dust removing box and opposite to the opening of the screen.

Optionally, the rolling brush is arranged in the dust removal channel and between an inlet and an outlet of the dust removal channel, and the filter screen and the side wall of the dust removal channel are sealed by a partition.

Optionally, at least one airflow baffle is arranged in the dust removal channel, the airflow baffle is arranged at the downstream of the rolling brush, and the airflow baffle forms a circuitous airflow channel in the dust removal channel.

Optionally, the dust removal case is internally provided with an air inlet channel, the air inlet channel is separated from the dust removal channel by a baffle, a second inlet of the air inlet channel is opposite to the baffle, and a second outlet of the air inlet channel and an inlet of the dust removal channel are arranged side by side and configured to be connected with a garbage can.

Optionally, a cavity is formed in the roller, a first through hole communicated with the cavity is formed in the peripheral wall of the roller, and the first through hole is communicated with gaps among the bristles; the roller is also provided with a connecting hole which is communicated with the cavity and is configured to be used for introducing or extracting media into or from the cavity.

Optionally, the rolling brush further comprises a partition plate, the partition plate extends into the roller, a first cavity and a second cavity are respectively formed between two opposite sides of the partition plate and the peripheral wall of the roller, and the first cavity and the second cavity are separated; the partition is rotatable with respect to the drum to switchably communicate the first through hole with the first chamber or the second chamber, and the connection hole includes a first hole communicating with the first chamber and a second hole communicating with the second chamber.

Optionally, the both ends of cylinder are connected with first end plate and second end plate respectively, first end closing cap the one end of cylinder, and with the cylinder rotationally connects, second end plate closing cap the other end of cylinder, the baffle with first end plate fixed connection, just the connecting hole is located on the first end plate.

Optionally, a fan assembly is arranged on the dust removal box, a bypass interface is arranged on the fan assembly, and the bypass interface is communicated with the negative pressure region in the fan assembly and is communicated with the connecting hole.

Optionally, a second through hole communicated with the cavity is further formed in the circumferential wall of the roller, the roller brush further comprises a suction pipe extending along the radial direction of the roller, one end of the suction pipe is connected with the roller and communicated with the second through hole, and the other end of the suction pipe is open.

Optionally, the length of the suction pipe in the radial direction of the drum is shorter than the length of the bristles.

According to the road sweeper provided by the embodiment of the invention, the road sweeper comprises the suction nozzle, the dust bin and the dust removal bin, the suction nozzle is communicated with the inlet of the fan assembly to suck the garbage on the ground, the dust bin is communicated with the outlet of the fan assembly, the inlet of the fan assembly is communicated with the suction nozzle, and the inlet of the fan assembly is communicated with the suction nozzle.

According to the road sweeper provided by the embodiment of the invention, the dust removal box is applied, so that the garbage in the airflow can be intercepted, and the garbage such as dust and the like entrained in the airflow can be removed.

Drawings

Figure 1 is a schematic view of a road sweeper in some embodiments of the present invention.

Figure 2 is an internal block diagram of a road sweeper in some embodiments of the present invention.

FIG. 3 is a schematic view of a dust bin, fan assembly and waste bin in some embodiments of the invention.

Figure 4 is a schematic view of the rotation of a roller brush in some embodiments of the present invention.

Figure 5 is a schematic view of the rotation of a roller brush in some embodiments of the present invention.

Figure 6 is a cross-sectional view of a roller brush according to some embodiments of the present invention.

Fig. 7 is a partial enlarged view a of the embodiment of fig. 6.

Figure 8 is a cross-sectional view of a roller brush according to some embodiments of the present invention.

Fig. 9 is a partial enlarged view B of the embodiment of fig. 8.

FIG. 10 is a schematic view of a roller brush in some embodiments of the invention.

FIG. 11 is a schematic view of a roll brush according to further embodiments of the present invention.

Reference numerals:

the road sweeper 1000, the dust removal box 100, the box body 10, the rolling brush 11, the roller 111, the first through hole 1101, the second through hole 1102, the connecting hole 1103, the first hole 1103A, the second hole 1103B, the brush bristles 112, the partition 113, the first cavity 1104A, the second cavity 1104B, the first end plate 114, the second end plate 115, the suction pipe 116, the filter screen 12, the notch 1201, the fan assembly 20, the bypass connector 201, the garbage box 30, the air inlet channel 401, the dust removal channel 402, the baffle 41, the airflow baffle 42, the driving part 50, the water pump 60 and the suction nozzle 200.

Detailed Description

The invention provides a dust removal box 100 and a road sweeper 1000, and airflow passing through the dust removal box 100 can be filtered through a rolling brush 11.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 11, according to the dust removing box 100 of the embodiment of the present invention, the dust removing box 100 includes a box body 10 and a rolling brush 11, a dust removing passage 402 is provided in the box body 10, the rolling brush 11 includes a roller 111 and bristles 112, the roller 111 is rotatably connected to the box body 10, the bristles 112 are connected to the roller 111 and are arranged in a diverging manner outside the roller 111, and the bristles 112 are configured as a filter structure between an inlet and an outlet of the dust removing passage 402. Therefore, the rolling brush 11 can intercept and remove the garbage in the airflow passing through the dust box 100 to filter the airflow passing through the dust box 100.

The airflow may enter the dust removal channel 402 of the box body 10 through the inlet and be subjected to a filtering action by the bristles 112 located between the inlet and the outlet of the dust removal channel 402, thereby removing dust and other debris from the airflow, and then the airflow may exit the box body 10 from the outlet of the dust removal channel 402; specifically, the brush bristles 112 are connected to the outer side of the drum 111 and arranged in a divergent manner, so that gaps are formed among the plurality of brush bristles 112, when the airflow passes through the brush bristles 112, the airflow can pass through the gaps among the plurality of brush bristles 112, and when the airflow passes through the gaps, the brush bristles 112 can intercept and filter dust and other garbage in the airflow, so as to realize dust removal of the airflow.

In addition, the roller 111 is rotatably connected to the box body 10, in other words, when the dust removing box 100 removes dust through airflow, the roller brush 11 can rotate in the box body 10, so that the brush bristles 112 can filter the airflow uniformly, and it is avoided that excessive dust in part of the brush bristles 112 causes gaps between the brush bristles 112 to be blocked, which affects the filtering effect of the dust removing box 100.

Of course, the brush bristles 112 may also be connected to the inner side of the drum 111 and arranged in a divergent manner, so that when the airflow passes through the drum 111, the brush bristles 112 in the drum 111 can remove dust from the airflow, thereby achieving the dust removing effect of the dust removing box 100.

Therefore, according to the dust box 100 of the embodiment of the present invention, the rolling brush 11 can intercept and remove the garbage in the airflow passing through the dust box 100 to filter the airflow passing through the dust box 100.

As shown in fig. 4 to 9, in some embodiments of the present invention, the dust box 100 further includes a filter screen 12, the filter screen 12 may be disposed outside the rolling brush 11 and separate the rolling brush 11 from the outlet of the dust removing channel 402, and the filter screen 12 may be configured to filter the airflow from the rolling brush 11 to the outlet of the dust removing channel 402, so that, after the airflow passes through the rolling brush 11, the airflow may be filtered by the filter screen 12 to filter the airflow again, thereby further improving the dust removing effect on the airflow, and then the airflow may leave the dust box 100 through the outlet of the dust removing channel 402.

Further, the filter screen 12 may be configured in an arc shape extending around the roller 111, the roller 111 may be rotatably disposed inside the filter screen 12 (wherein, the inside of the filter screen 12 refers to a side of the filter screen 12 facing a center of the arc), and the brush 112 may be configured to be suitable for cleaning an inside surface of the filter screen 12. Therefore, while the roller 111 rotates in the dust removing box 100, the bristles 112 in the roller 111 can clean the inner side of the filter screen 12, so that the filter screen 12 can filter the airflow, and the dust removing box 100 is self-cleaned.

Further, the screen 12 may be a multi-layer sintered screen 12 or the like.

As shown in fig. 4 to 9, in some embodiments of the present invention, the screen 12 is configured in an arc shape with an opening at a lower side, and an inlet of the dust removal passage 402 may be provided at the lower side of the tank body 10 opposite to the opening of the screen 12. With this arrangement, dust removal of the airflow is facilitated, and self-cleaning of the dust removal bin 100 is facilitated.

Specifically, the airflow may enter the dust box 100 in a direction from bottom to top, and when the airflow enters the dust removing passage 402 through the inlet, a part of heavier dust in the airflow may fall by gravity, and then, the airflow may pass through the drum 111 from the opening of the screen 12 and receive the filtering action of the bristles 112 in the drum 111, and may receive the filtering action of the screen 12 after passing through the drum 111, so as to filter the airflow again, thereby realizing multiple filtering of the dust box 100. In addition, when the drum 111 rotates in the box body 10, the brush bristles 112 in the drum 111 can clean the inner side of the filter screen 12, so that dust and other garbage in the inner side of the filter screen 12 can be cleaned out from the lower opening of the filter screen 12, and the filtering effect of the filter screen 12 is ensured.

As shown in fig. 4 to 9, in some embodiments of the present invention, the rolling brush 11 may be disposed in the dust removing channel 402 between the inlet and the outlet of the dust removing channel 402, and thus, when the air flow passes through the dust removing channel 402, dust removal of the air flow may be achieved by the rolling brush 11. And the filter screen 12 and the side wall of the dust removing channel 402 are closed by the partition, in other words, after the air flow passes through the rolling brush 11, the air flow can completely pass through the filter screen 12 under the action of the partition, so that the air flow is prevented from passing between the filter screen 12 and the side wall of the dust removing channel 402, and the dust removing effect of the air flow can be improved.

As shown in fig. 3, in some embodiments of the present invention, at least one air flow baffle 4241 may be disposed in the dust removal channel 402, the air flow baffle 4241 may be disposed downstream of the roll brush 11, and the air flow baffle 4241 forms a circuitous air flow channel in the dust removal channel 402. Specifically, the airflow baffle 4241 disposed downstream of the roller brush 11 intercepts the airflow as it passes through the dust removing assembly 10, so as to slow down the exhaust speed of the airflow and prevent the airflow from being too fast and affecting the dust removing effect of the dust removing box 100. In addition, the flow velocity of the airflow discharged from the dust removal box 100 is prevented from being too high, and the airflow may cause damage to the environment, people, and the like near the dust removal box 100.

As shown in fig. 3, in some embodiments of the present invention, the dust removing box 100 further has an air inlet channel 401 therein, the air inlet channel 401 and the dust removing channel 402 are separated by a baffle 41, a second inlet of the air inlet channel 401 is opposite to the baffle 41, and a second outlet of the air inlet channel 401 and an inlet of the dust removing channel 402 are arranged side by side and configured to be connected to the dust removing box 30. In other words, a circuitous channel can be constructed in the dust removing box 100 and the garbage box 30 through the baffle 41; specifically, when the airflow passes through the air inlet channel 401, since the second inlet is opposite to the baffle plate 41, the airflow can be acted by the baffle plate 41 to change the direction of the airflow, and at this time, dust and other garbage in the airflow can collide with the baffle plate 41 under the action of inertia and fall into the garbage can 30, so as to facilitate the subsequent dust removal of the airflow by the dust removal box 100.

As shown in fig. 4 to 9, in some embodiments of the present invention, the drum 111 has a cavity therein, and the peripheral wall may be provided with a first through hole 1101 communicating with the cavity, the first through hole 1101 communicating with the gap between the bristles 112; the roller 111 may further have a connection hole 1103, and the connection hole 1103 is connected to the cavity and configured to introduce or draw out a medium into the cavity. Therefore, the medium can be pumped into or out of the cavity of the roller 111 to achieve the self-cleaning function of the roller brush 11.

The brush bristles 112 are connected to the outer side of the roller 111, a first through hole 1101 communicated with the cavity may be formed in the circumferential wall of the roller 111, a connection hole 1103 is further formed in the roller 111, the connection hole 1103 is communicated with the cavity in the roller 111, and a medium may be introduced into or drawn out of the cavity through the connection hole 1103, so that the medium may flow through the brush bristles 112 outside the roller 111 in the process of passing through the first through hole 1101 in the circumferential wall of the roller 111, so as to wash or flush the brush bristles 112, thereby achieving self-cleaning of the roller brush 11. In addition, a plurality of the first through holes 1101 and the connection holes 1103 on the drum 111 may be provided to improve the efficiency of introducing or withdrawing the medium in the cavity. And the medium may comprise a liquid medium, a gaseous medium, or the like.

The following embodiments are provided in the present invention for the self-cleaning mode of the roller brush 11, which, of course, should not be construed as limiting the scope of the present invention, and the self-cleaning of the roller brush 11 can be achieved by pumping in or out one or more media in the cavity.

Example 1

When the roller brush 11 needs to be cleaned, a liquid medium such as liquid, a cleaning agent and the like can be introduced into the cavity of the roller 111, the liquid can pass through the cavity of the roller 111 and flow out from the first through holes 1101 on the peripheral wall of the roller 111, and at this time, the liquid flowing out from the first through holes 1101 can clean the bristles 112 connected to the outer side of the roller 111, so that the roller brush 11 is self-cleaned.

Example 2

When the roller brush 11 needs to be cleaned, a gas medium such as air can be introduced into the cavity of the roller 111, the gas can pass through the cavity of the roller 111 and be discharged from the first through holes 1101 on the peripheral wall of the roller 111, and at this time, the gas discharged from the first through holes 1101 can flush the bristles 112 connected to the outer side of the roller 111, so that the roller brush 11 is self-cleaned.

Example 3

When the roller brush 11 needs to be cleaned, a gas medium such as air can be pumped out from the cavity of the roller 111, at this time, a negative pressure can be formed in the cavity of the roller 111, and under the action of the negative pressure, the gas outside the roller 111 can enter the cavity of the roller 111 through the first through holes 1101 on the peripheral wall of the roller 111, and in the process, the gas outside the roller 111 can flow through the bristles 112 connected to the outside of the roller 111 and wash away the pollutants such as garbage or dust attached to the bristles 112, so that the self-cleaning of the roller brush 11 is realized.

Therefore, according to the roller brush 11 of the embodiment of the present invention, the self-cleaning function of the roller brush 11 can be achieved by pumping or drawing the medium into or out of the cavity of the roller 111.

In addition, the bristles 112 may be arranged divergently on the outer side of the drum 111, for example, the bristles 112 may extend in the radial direction of the drum 111, and a plurality of bristles 112 may be connected to the outer side of the drum 111 to form divergently. As another example, the bristles 112 may extend in a tangential direction of the drum 111, and a plurality of bristles 112 may be connected to the outside of the drum 111 to form a divergent shape.

As shown in fig. 4 to 10, in some embodiments of the present invention, the roller brush 11 further includes a partition 113, the partition 113 may extend into the roller 111, and a first chamber 1104A and a second chamber 1104B are respectively formed between two opposite sides of the partition 113 and the peripheral wall of the roller 111, and the first chamber 1104A and the second chamber 1104B are separated; the partition 113 is rotatable with respect to the drum 111 such that the first through hole 1101 is switchably communicated with the first chamber 1104A or the second chamber 1104B, and the connection hole 1103 includes a first hole 1103A communicated with the first chamber 1104A and a second hole 1103B communicated with the second chamber 1104B. By the arrangement, the medium in the cavity of the roller 111 can be pumped in and out at the same time, the cleaning efficiency of the rolling brush 11 is improved, and the self-cleaning function of the rolling brush 11 is realized.

Wherein the first chamber 1104A and the second chamber 1104B may be arranged oppositely in the up-down direction, for example, the first chamber 1104A may be disposed at the upper side of the roller brush 11, and the second chamber 1104B may be disposed at the lower side of the roller brush 11; for another example, the first chamber 1104A may be disposed at a lower side of the roller brush 11, and the second chamber 1104B may be disposed at an upper side of the roller brush 11, or the first chamber 1104A and the second chamber 1104B may be disposed oppositely along a left-right direction, etc., however, the arrangement of the first chamber 1104A and the second chamber 1104B may be varied, which is not a limitation to the scope of the present invention, and for convenience of description, the present invention is mainly described by taking the first chamber 1104A disposed at the upper side of the roller brush 11, and the second chamber 1104B disposed at the lower side of the roller brush 11 as an example.

Specifically, media can be introduced into and/or drawn out of the first cavity 1104A and the second cavity 1104B through the first hole 1103A and the second hole 1103B of the roller 111, respectively, so that the media can pass through the first through hole 1101 to wash or flush the bristles 112, thereby cleaning the roller brush 11.

For example, when the rolling brush 11 needs to be cleaned, the first hole 1103A may be used to draw out the gaseous medium in the first cavity 1104A, and the second hole 1103B may be used to introduce the liquid medium into the second cavity 1104B, during this process, in the first cavity 1104A, the gaseous medium in the first cavity 1104A may be drawn out through the first hole 1103A, so as to form a negative pressure in the first cavity 1104A, and under the action of the negative pressure, the gas outside the roller 111 may pass through the bristles 112, the first through holes 1101, and the first cavity 1104A in sequence, so as to blow off the pollutants such as the garbage or the dust attached to the bristles 112; in the second cavity 1104B, a liquid medium can be introduced into the second cavity 1104B through the second hole 1103B, and after passing through the second cavity 1104B, the liquid medium can flow out of the first through hole 1101, and then the bristles 112 outside the roller 111 are washed, so that the roller brush 11 is cleaned.

For another example, when the rolling brush 11 needs to be cleaned, the gaseous media in the first cavity 1104A and the second cavity 1104B can be pumped out through the first hole 1103A and the second hole 1103B at the same time, in the process, the gaseous media in the first cavity 1104A and the second cavity 1104B can be pumped out through the first hole 1103A, so that negative pressure is formed in the first cavity 1104A and the second cavity 1104B, and under the action of the negative pressure, the gas outside the roller 111 can enter the roller 111 through the bristles 112 and the first through holes 1101 in sequence, so that pollutants such as garbage or dust attached to the bristles 112 are blown off, and the rolling brush 11 is cleaned.

In addition, according to actual conditions, only the first cavity 1104A can be filled with or pumped out of the medium; alternatively, the medium may be pumped into or out of only the second chamber 1104B; alternatively, the medium may be introduced into or withdrawn from the first chamber 1104A, while the medium is introduced into or withdrawn from the second chamber 1104B, etc., without limiting the scope of the present invention.

As shown in fig. 4 to 9, in some embodiments of the present invention, a first end plate 114 and a second end plate 115 are respectively connected to both ends of the drum 111, the first end covers one end of the drum 111 and is rotatably connected to the drum 111, the second end plate 115 covers the other end of the drum 111, the partition 113 is fixedly connected to the first end plate 114, and the connection hole 1103 is formed on the first end plate 114. Accordingly, the first end plate 114 and the second end plate 115 may close the drum 111 to facilitate introducing or withdrawing a medium into or from a cavity within the drum 111 to achieve self-cleaning of the roll brush 11.

When the roller brush 11 needs to be cleaned, media can be introduced into or drawn out of the first cavity 1104A and the second cavity 1104B in the roller 111 through the first hole 1103A and the second hole 1103B, the media can pass through the bristles 112 and clean the bristles 112 in the process, and the first end plate 114 and the second end plate 115 can close the cavity of the roller 111 to improve the tightness of the cavity of the roller 111, so that the media can pass through the bristles 112 to the maximum extent, and the bristles 112 can be cleaned.

In addition, the second end plate 115 may be fixedly connected to the partition 113, for example, the second end plate 115 may be fixedly connected to the partition 113, and then the second end plate 115 may be rotatably connected to the roller 111, and in combination with the foregoing embodiment, the partition 113 may be rotatable relative to the roller 111, in other words, the roller 111 may be rotatable relative to the partition 113, and then the driving member 50 may be connected to the roller 111 to drive the roller 111 to rotate, and during the rotation, the first end plate 114 and the second end plate 115 may remain stationary with the partition 113 and provide a supporting connection for the partition 113, and the structural strength of the rolling brush 11 may be improved, so as to ensure the stability of the operation of the rolling brush 11. Wherein, a rolling bearing may be provided on the first end plate 114 and/or the second end plate 115, so that the first end plate 114 and/or the second end plate 115 may be rotatably connected with the drum 111.

Or, the second end plate 115 may be rotatably connected to the partition 113, for example, the second end plate 115 may be rotatably connected to the partition 113, the second end plate 115 may be fixedly connected to the roller 111 and rotate synchronously with the roller 111, at this time, the driving member 50 may be connected to the roller 111 or the second end plate 115 to drive the roller 111 and the second end plate 115 to rotate, during the rotation of the roller 111, the first end plate 114 and the partition 113 may be kept stationary, the second end plate 115 and the roller 111 may rotate relative to the partition 113, and under the cooperation of the first end plate 114 and the second end plate 115, a supporting connection effect may be generated on the partition 113, and at the same time, the structural strength of the roller brush 11 may also be improved to ensure that the roller brush 11 can operate stably.

By the connection of the partition 113 with the first and

second end plates

114 and 115, the stable installation of the partition 113 within the drum 111 can be improved. Wherein the second end plate 115 may be provided in a form rotatably or fixedly connected with the drum 111.

As shown in fig. 3, in some embodiments of the present invention, a fan assembly 20 is disposed on the dust removing box, a bypass port 201 is disposed on the fan assembly 20, and the bypass port 201 communicates with a negative pressure region in the fan assembly 20 and communicates with the connection hole 1103. With the arrangement, the fan assembly 20 can drive the airflow in the dust removing box 100, and in addition, the fan assembly 20 can be used as a power source to pump out the gas medium from the cavity of the roller 111, so that the energy is saved, and the self-cleaning function of the rolling brush 11 is realized. In the present invention, the connection hole 1103 is connected to the negative pressure region of the blower assembly 20, and the blower assembly 20 can be used to form an air suction effect in the drum 111.

Wherein the fan assembly 20 may include a motor and a fan, and the fan may include an axial fan, a centrifugal fan, etc.

Specifically, when the fan assembly 20 is started, the fan assembly 20 may drive an airflow in the dust removal box 100 to sequentially pass through the dust collection box 100 and the dust removal box 30, so as to filter and remove dust, and meanwhile, when the first cavity 1104A is extracted with a gas medium through the first hole 1103A, the first hole 1103A may be communicated with the bypass interface 201 of the fan assembly 20, and the gas medium in the first cavity 1104A of the roller 111 is extracted by the negative pressure driving of the fan assembly 20, so that a negative pressure is formed in the first cavity 1104A, and thus the airflow outside the roller 111 may blow and brush the bristles 112 and enter the first cavity 1104A through the first through hole 1101, so as to clean the bristles 112, and the inner side surface of the filter screen 12 may also be sucked by the second through hole 1102 and the suction pipe 116, so as to clean the filter screen 12.

In addition, contaminants such as dust adsorbed by the gas medium in the first chamber 1104A can bypass the interface 201, enter the negative pressure region of the fan assembly 20, flow to the trash bin 30 under the action of the fan assembly 20, and finally can be deposited on the trash bin 30 or filtered and sucked along with the airflow into the dust removal bin 100 until falling into the trash bin 30.

Of course, the bypass port 201 may also be connected to a positive pressure region in the ventilator assembly 20, as the case may be, to feed the cavity with a gaseous medium through the connection aperture 1103. Alternatively, the bypass port 201 may be connected to the water pump 60 to pump or evacuate a liquid medium or the like from the cavity through the connection hole 1103.

As shown in fig. 4 to 9, in some embodiments of the present invention, the circumferential wall of the roller 111 is further provided with a second through hole 1102 communicating with the cavity, the roller brush 11 further includes a suction pipe 116 extending along the radial direction of the roller 111, one end of the suction pipe 116 is connected to the roller 111 and communicates with the second through hole 1102, and the other end of the suction pipe 116 is open. In the drum, the suction pipe 116 may adsorb contaminants on the screen 12, thereby achieving cleaning of the screen 12.

In detail, with reference to the foregoing embodiment, in the rotation process of the drum 111, the connection hole 1103 on the drum 111 can draw the air medium out of the cavity, so as to form a negative pressure in the cavity, and under the action of the negative pressure, the airflow can be driven to enter the cavity after passing through the suction pipe 116 and the second through hole 1102, at this time, the other end of the suction pipe 116 can suck the inner side of the filter screen 12, so that the contaminants such as garbage or dust attached to the filter screen 12 are sucked off, and the filter screen 12 is cleaned.

In some embodiments of the present invention, the length of the suction pipe 116 in the radial direction of the drum 111 is shorter than the length of the bristles 112. In particular, when the drum 111 rotates relative to the screen 12, the suction pipe 116 is spaced apart from the screen 12 by a certain distance, so as to prevent the suction pipe 116 from colliding with the screen 12 and being worn, which may result in damage to the dust box 100.

As shown in fig. 4 to 9, in combination with the above embodiments, the brush bristles 112 contact the inner circumferential surface of the filter screen 12 to clean the inner circumferential surface of the filter screen 12, and the other end of the suction pipe 116 is in clearance fit with the filter screen 12. Thus, with this arrangement, the inner peripheral surface of the screen 12 can be cleaned a plurality of times to ensure the filtering effect of the screen 12.

When cylinder 111 rotates in dust removal case 100, connect the brush hair 112 in the cylinder 111 outside can clear up the inner peripheral surface of filter screen 12, the dust that is cleared up afterwards can drop to dustbin 30 through the downside opening of filter screen 12 in, simultaneously, the one end of straw 116 among the round brush 11 can communicate with second through-hole 1102, the other end can with filter screen 12 clearance fit, and when taking out gaseous medium to the cavity, can form the negative pressure at the other end of straw 116, in order to absorb rubbish such as dust on the inner peripheral surface of filter screen 12, realize the many times of cleaning of filter screen 12, thereby can guarantee the filter effect of filter screen 12.

In some embodiments of the present invention, a first row of holes and a second row of holes are formed in the circumferential wall of the drum 111, each of the first row of holes and the second row of holes includes a plurality of second through holes 1102 arranged at intervals along the circumferential direction of the drum 111, the first row of holes and the second row of holes are arranged at intervals along the circumferential direction of the drum 111 and staggered in the axial direction of the drum 111, the suction pipe 116 includes a plurality of second through holes 1102 corresponding to the plurality of second through holes 1102, and one end of the suction pipe 116 is connected to the drum 111 and is communicated with the corresponding second through holes 1102. The first row of holes and the second row of holes are staggered in the axial direction of the drum 111, which means that projections of the first row of holes and the second row of holes on the axial line of the drum 111 along the radial direction of the drum 111 are staggered in the axial direction of the drum 111. Or the track lines of the first row of holes and the second row of holes are staggered in the axial direction of the roller 111 during the rotation of the roller 111. Therefore, the suction pipe 116 can completely adsorb the pollutants on the filter screen 12, and the cleaning efficiency of the filter screen 12 is improved.

Wherein, two rows of suction pipes 116 are arranged on the peripheral wall of the roller 111, wherein one end of one row of suction pipes 116 can correspond to the first row of holes, and one end of the other row of suction pipes 116 can correspond to the second row of holes. In addition, the first row of holes and the second row of holes may be symmetrically arranged along the center line of the drum 111, the first row of holes and the second row of holes may also be arranged at intervals along the circumferential direction of the drum 111, and the like, which is not a limitation to the scope of the present invention, and the following description will be given by taking an example in which the first row of holes and the second row of holes are symmetrically arranged along the center line of the drum 111.

Example 1

When the filter screen 12 needs to be cleaned, the first cavity 1104A can be pumped out through the first hole 1103A, so that a negative pressure can be formed in the first cavity 1104A, during the rotation of the drum 111, the first row of holes connected with the circumferential wall of the drum 111 can rotate to the upper part of the drum 111, and the suction pipes 116 corresponding to the first row of holes can adsorb pollutants attached to the inner side of the filter screen 12, and then the second row of holes connected with the circumferential wall of the drum 111 can rotate to the upper part of the drum 111, and the suction pipes 116 corresponding to the second row of holes can adsorb pollutants attached to the inner side of the filter screen 12; and first row of hole staggers in the axial of cylinder 111 with the second row of hole, consequently, after first row of hole has adsorbed partial pollutant on the filter screen 12, the second row of hole can adsorb the pollutant of the remaining part on the filter screen 12, realizes adsorbing the pollutant on complete filter screen 12 inboard, realizes the cleanness of dust removal case 100.

Example 2

When the filter screen 12 needs to be cleaned, the second cavity 1104B can be pumped out through the second hole 1103B to form a negative pressure in the second cavity 1104B, the first row of holes connected with the peripheral wall of the roller 111 can rotate to the rolling lower side in the rotation process of the roller 111, the suction pipes 116 corresponding to the first row of holes can adsorb pollutants attached to the inner side of the filter screen 12, then the second row of holes connected with the peripheral wall of the roller 111 can rotate to the rolling lower side, and the suction pipes 116 corresponding to the second row of holes can adsorb pollutants and performance attached to the inner side of the filter screen 12; and first row of hole staggers in the axial of cylinder 111 with the second row of hole, consequently, after first row of hole has adsorbed partial pollutant on the filter screen 12, the second row of hole can adsorb the pollutant of the remaining part on the filter screen 12, and the pollutant on the filter screen 12 inboard that realizes ground is complete adsorbs, realizes the cleanness of dust removal case 100.

Of course, the cleaning of the screen 12 may be achieved by passing a medium through the first chamber 1104A and/or the second chamber 1104B in the drum 111, for example, if the medium is a liquid medium, the liquid medium may pass through the first chamber 1104A and/or the second chamber 1104B, the first row of holes and/or the second row of holes, and may pass through the suction pipe 116, thereby flushing the screen 12. For another example, if the medium is a gaseous medium, the gaseous medium may pass through the first chamber 1104A and/or the second chamber 1104B, the first row of holes and/or the second row of holes, and may pass through the suction pipe 116, thereby flushing the filter screen 12 and cleaning the filter screen 12. Therefore, there are various ways to clean the dust box 100 by pumping in or out the medium in the cavity of the drum 111, which should not be construed as limiting the scope of the present invention.

As shown in fig. 1 and 2, according to the road sweeper 1000 in the embodiment of the invention, the road sweeper 1000 comprises a suction nozzle 200, a dust bin 30 and the dust bin 100, wherein the suction nozzle 200 is communicated with an inlet of the fan assembly 20 to suck the garbage on the ground, the dust bin 30 is connected with an outlet of the fan assembly, and an inlet of the fan assembly 20 is communicated with the suction nozzle 200. Therefore, the road sweeper 1000 can suck the garbage on the ground, and the dust removing box 100 arranged in the road sweeper 1000 can be self-cleaned, so that the cleaning efficiency of the road sweeper 1000 is improved.

In the operation process of the road sweeper 1000, the suction nozzle 200 can suck the ground garbage, and under the driving action of the fan assembly 20, the garbage can enter the dust removal box 100 along with the airflow and is intercepted by the baffle 41 arranged in the dust removal box 100, so that the garbage can collide and fall into the garbage box 30, and the suction of the road sweeper 1000 to the ground garbage is completed. In addition, the airflow carrying with dust can pass through the garbage bin 30 and enter the dust removing channel 402, and the notch 1201 of the filter screen 12 is arranged downwards and faces the inlet of the dust removing channel 402, so that the airflow can enter the bin body 10 from the notch 1201 of the filter screen 12, the airflow entering the bin body 10 is firstly filtered by the bristles 112 to complete the first filtering, then the airflow can pass through the filter screen 12 to realize the second filtering, the filtered airflow can be reduced in flow speed by the action of the airflow baffle 4241 and is slowly discharged from the outlet of the fan assembly 20, and the harm to the surrounding environment or people is avoided. In addition, the liquid medium can be introduced into the second cavity 1104B to wet the bristles 112 outside the roller 111, so as to improve the filtering effect of the airflow.

During the self-cleaning process of the road sweeper 1000, the first cavity 1104A may be pumped to adsorb contaminants such as dust on the inner side of the brush 112 and the filter 12 through the first through hole 1101, the second through hole 1102 and the suction pipe 116 connected to the second through hole 1102, and during the rotation of the drum 111 relative to the partition 113, the positions of the first cavity 1104A and the second cavity 1104B may be maintained, the first through hole 1101 and the second through hole 1102 may be switchably communicated with the first cavity 1104A to clean the brush 112 and the filter 12, and then the gas medium may flow to the negative pressure region of the fan assembly 20 through the first hole 1103A to re-enter the internal circulation of the air flow of the road sweeper 1000 (i.e., the air flow circulates through the fan assembly 20, the air intake duct, the dust box 30, the dust removal passage 402 and the dust removal assembly 10). In addition, in cooperation with the rotation of the brush bristles 112, the brush bristles 112 can sweep the contaminants such as dust on the inner side surface of the filter screen 12, and the swept contaminants can fall into the dustbin 30 through the gaps 1201 of the filter screen 12, thereby completing the self-cleaning of the dust removal box 100.

During the self-cleaning process of the road sweeper 1000, the liquid medium can be introduced into the second cavity 1104B, so that the pollutants such as the dust on the inner side of the brush 112 and the filter screen 12 can be cleaned through the first through hole 1101, the second through hole 1102 and the suction pipe 116 connected to the second through hole 1102, and during the rotation of the drum 111 relative to the partition 113, the positions of the first cavity 1104A and the second cavity 1104B can be kept unchanged, the first through hole 1101 and the second through hole 1102 can be switched to communicate with the second cavity 1104B, so that the brush 112 and the filter screen 12 can be cleaned, and then the liquid medium can drop into the dustbin 30 from the gap 1201 of the filter screen 12.

According to the road sweeper 1000 in the embodiment of the invention, by applying the dust removal box 100, the airflow passing through the dust removal box 100 can be intercepted, so that dust and other garbage entrained in the airflow can be removed.

The invention can improve the self-cleaning effect of the dust removal box 100, so that the dust removal and filtration system can be thoroughly cleaned, and equipment does not need to replace a filtration mechanism regularly.

The invention can optimize the dust removal scheme, so that the dust removal box 100 can be used in both dry and wet modes, and the equipment can be ensured to operate in sunny days and rainy days.

The invention can enhance the filtering capacity of the equipment in wet dust removal modes such as rainy day operation and the like, and prevent secondary pollution to air under the wet filtering condition.

The road sweeper (namely the road sweeper 1000) of the invention comprises a chassis, a sweeping mechanism, a suction nozzle 200, a fan, a dustbin 30, a dust removal box 100, an electrical system, a hydraulic system, a waterway system, a housing appearance and the like.

Wherein: the fan, the fan motor and the fan are suction nozzles 200, a suction pipe 116 provides driving force, the garbage is sucked into the dust removal box 100, the garbage is blocked and decelerated by a garbage baffle 41 fixed on the dust removal box 100 by the dust removal box 100 after entering the dust removal box 100 and falls into the garbage box 30, the pressure in the garbage box 30 is higher than normal atmospheric pressure at the moment, the gas in the garbage box 30 and part of raised dust mixed in the gas enter a first stage between bristles 112 of a roller 111 on a filtering mechanism of the roller 111 fixed on the dust removal box 100, after the second stage filtration of the multilayer sintered filter screen 12, the raised dust is blocked by the bristles 112 and the multilayer sintered filter screen 12, the multilayer sintered filter screen 12 can block visual visible particles above 10um, and the filtered gas is discharged into the air after being blocked and decelerated by an airflow baffle 42.

In some embodiments of the invention, the dust removal bin 100 has a first layer of filtering and self-cleaning mechanisms:

1. the filtering and dust removing functions are as follows:

cavity (being second chamber 1104B) is respectively through water pipe head under the round brush, the water pipe links to each other with high-pressure water pump 60, high-pressure water pump 60 will be through in the water filter from the water tank inflow the round brush cavity (being second chamber 1104B) under in sending into the brush hair solid fixed cylinder (being cylinder 111) in water, water in the cavity receives the influence of gravity to be attached to on brush hair 112 behind the gas pocket through the brush hair solid fixed cylinder (being cylinder 111), brush hair 112 can keep stronger adsorption affinity to the raise dust after being stained with water, rely on brush hair 112 to be stained with water and carry out dust removal for the first time.

When the air passes through the bristles 112 on the periphery of the filtering mechanism of the roller 111, because gaps between the bristles 112 are small, when the air and the dust pass through the bristles 112, the dust is filtered by the dense bristles 112, and the air enters the upper part of the roller 111 through the gaps between the bristles 112, and the dust is filtered by the gaps between the bristles 112, so that the primary dust removal is enhanced.

The cavity is connected at fan portion equipment front end through the air pipe joint respectively on the round brush 11, the trachea, the bypass interface 201 of fan, there is the negative pressure here, can make the round brush upper cavity (being first chamber 1104A) form the negative pressure, this negative pressure passes through the gas pocket on the fixed section of thick bamboo of brush hair (being cylinder 111) and forms the adsorption affinity at brush hair 112 periphery, will pass through here not by filterable tiny particle absorption between the fixed section of thick bamboo of brush hair 112 (being cylinder 111) surface and brush hair 112 root gap, the raise dust can be adsorbed to the negative pressure between the fixed section of thick bamboo of brush hair (being cylinder 111), it strengthens once more to filter once more dust removal of gas.

2. Powerful self-cleaning function:

meanwhile, when the filtering mechanism of the roller 111 rotates, the partition plate 113 is fixed, a rolling bearing between the partition plate 113 and the filtering mechanism of the roller 111 can play a role in rolling lubrication, the relative positions of the upper cavity (namely the first cavity 1104A) of the rolling brush and the lower cavity (namely the second cavity 1104B) of the rolling brush are unchanged, but the bristles 112 and the bristle fixing barrel (namely the roller 111) rotate anticlockwise; when the bristles 112 and the bristle fixing cylinder (i.e. the roller 111) pass through the upper rolling brush cavity (i.e. the first cavity 1104A), dust is adsorbed, and when the bristles 112 and the bristle fixing cylinder (i.e. the roller 111) pass through the lower rolling brush cavity (i.e. the second cavity 1104B), the water flow flowing out of the bristle fixing cylinder (i.e. the roller 111) in the lower cavity (i.e. the second cavity 1104B) can timely wash the dust and garbage attached to the bristles 112 and gaps among the bristles 112 and the bristle fixing cylinder (i.e. the roller 111), so that the filtering mechanism of the roller 111 is self-cleaned.

After the equipment finishes the single field cleaning operation, a large-flow switch of the high-pressure water pump 60 is turned on, the power of the high-pressure water pump 60 is increased, high-pressure water flow is formed in a cavity (namely the second cavity 1104B) under a rolling brush of a bristle fixing cylinder (namely the roller 111), the high-pressure water flow is shot below the air hole box dust removal box 100 on the bristle fixing cylinder (namely the roller 111), the self-rotation of the filter mechanism of the roller 111 is matched, the high-pressure washing is carried out on the filter mechanism of the roller 111, and the water flow remained on the bristles 112 can also scrub the multilayer sintered filter screen 12 (namely the filter screen 12).

The first layer of dust removal filtering mechanism can strengthen the dust removal function through a water path system and a gas path system, and realizes self-cleaning through the water path system.

In some embodiments of the invention, the dust bin 100 has a second layer of filtering and self-cleaning mechanisms:

multilayer sintered screen (i.e. screen 12): the multi-layer sintered filter screen is a multi-layer sintered metal screen, has strong screen rigidity, can filter particles above 10um, and can be repeatedly washed and used.

1. Multilayer sintered filter screen filtration

The gas and the remaining few dust which is not filtered and adsorbed after the gas is filtered by the bristles 112 and is adsorbed by the bristle fixing cylinder (i.e. the roller 111) under the driving of positive pressure in the garbage can 30 need to enter the upper part of the dust removing box 100 through the multilayer sintered filter screen (i.e. the filter screen 12), the visible particles with the diameter larger than 10um in the remaining dust mixed in the gas can be filtered again by the multilayer sintered filter screen (i.e. the filter screen 12), the filtered dust is attached to one side of the multilayer sintered filter screen (i.e. the filter screen 12) close to the bristles 112, and the secondary filtering and dust removal of the gas are completed.

2. Multilayer sintered screen 12 self-cleaning

The motor drives the filtering mechanism of the roller 111 to rotate at a low speed after being decelerated by the motor reduction box, the multilayer sintering filter screen (namely the filter screen 12) is fixed, the bristles 112 are scraped to the inner side of the multilayer sintering filter screen (namely the filter screen 12), dust attached to the inner side of the multilayer sintering filter screen (namely the filter screen 12) can be swept into the garbage can 30 below, and primary automatic cleaning of the multilayer sintering filter screen (namely the filter screen 12) is completed in a mode of sweeping the surface of the multilayer sintering filter screen (namely the filter screen 12).

Meanwhile, two rows of negative pressure suction pipes 116 are fixed on the filtering mechanism of the roller 111, the two rows of negative pressure suction pipes 116 are staggered, when one row of negative pressure suction pipes 116 rotates to the area of the upper cavity (i.e., the first cavity 1104A) of the roller brush, negative pressure exists in the negative pressure suction pipes 116, and dust which is stuck and filtered in the multilayer sintered filter screen 12 can be sucked into the upper cavity of the roller brush 11, enters the front end of the fan again along with an air pipe, and enters the garbage bin 30 and the dust removal bin 100 again. When the side row of tubes rotates into the lower cavity region (i.e., the second cavity 1104B), the staggered second row of tubes enters the upper cavity region (i.e., the first cavity 1104A) of the rolling brush to completely suck dust in dead corners of the multi-layer sintered filter screen (i.e., the filter screen 12) which are not cleaned. The multilayer sintered filter screen (namely the filter screen 12) is deeply cleaned in a negative pressure blowback dust collection mode of the multilayer sintered filter screen (namely the filter screen 12).

The second layer of dust removal filtering mechanism realizes preliminary cleaning by means of the rotation of the first layer of filtering mechanism, and carries out deep self-cleaning through the gas path system of the first layer of dust removal filtering mechanism.

In some embodiments of the invention, the dust box 100 of the invention can be used for both dry and wet purposes:

because the roller filtering mechanism and the multilayer sintered filter screen (namely the filter screen 12) need water to participate in the dust removal and self-cleaning operation environment. The high-pressure water pump 60 is started in fine weather operation, and dust removal and self-cleaning are carried out through an auxiliary roller 111 filtering mechanism in the water tank; during the operation in rainy days, no dust can be generated during the cleaning operation, the high-pressure water pump 60 is closed, large-particle garbage can enter the garbage can 30, after gas and small-particle garbage enter the dust removal box 100, the small-particle garbage can be filtered by the bristles 112 and the multi-layer sintered filter screen (namely the filter screen 12), and the gas is exhausted into the air through the rear part of the dust removal box 100; the dust removal function under the dry type cleaning operation and the filtering function under the wet type cleaning operation mode are realized, after the operation is completed in the two modes, the high-pressure water pump 60 is turned on, the high-flow switch of the water pump 60 is turned on, and the high-pressure washing is carried out on the roller filtering mechanism and the multilayer sintered filter screen (namely the filter screen 12).

The dust removal function:

the cavity (being the second chamber 1104B) is through water pipe head respectively under the round brush, the water pipe links to each other with high pressure water pump 60, high pressure water pump 60 will be through in the water filter from the water tank inflow water send into the round brush 11 in the brush hair solid fixed cylinder (being the cylinder 111) in the cavity (being the second chamber 1104B), water in the cavity receives the influence of gravity and attaches to on the brush hair 112 behind the gas pocket of brush hair solid fixed cylinder (being the cylinder 111), brush hair 112 can keep stronger adsorption affinity to the raise dust after being stained with water, rely on brush hair 112 to be stained with water and carry out dust removal for the first time.

When the air passes through the bristles 112 on the periphery of the roller filtering mechanism, because gaps between the bristles 112 are small, when the air and the dust pass through the bristles 112, the dust is filtered by the dense bristles 112, and the air enters the upper part of the roller 111 through the gaps between the bristles 112, and the dust is filtered by the gaps between the bristles 112, so that the primary dust removal is enhanced.

The gas after the filtration of brush hair 112 and the remaining minority raise dust that is not filtered and adsorbed need get into dust removal case 100 top through multilayer sintering filter screen (being filter screen 12) under the drive of the interior malleation of dustbin 30, and multilayer sintering filter screen (being filter screen 12) can filter the remaining raise dust that is mingled with in the gas once more for the raise dust is attached to multilayer sintering filter screen (being filter screen 12) and is close to brush hair 112 one side, strengthens gaseous first dust removal once more.

In some specific examples of the invention, the invention has multiple waterproof sealing structures:

the waterproof rubber retainer ring is clamped on the fixed end cover and keeps relatively static with the fixed end cover, the rubber lip edge of the waterproof rubber retainer ring is tightly attached to the inner wall of the bristle 112 fixed cylinder, and when the bristle fixed cylinder (namely the roller 111) rotates, the lip edge of the waterproof rubber retainer ring and the roller 111 are extruded and rubbed to achieve a first-stage waterproof sealing effect between the bristle 112 fixed cylinder and the fixed end cover (namely the first end plate 114).

An end cover rubber sealing ring (namely, a first sealing ring 1143) is additionally arranged between the fixed end cover (namely, the first end plate 114) and the dust removal box 100, and the rubber sealing ring (namely, the first sealing ring 1143) can play a role in second-stage waterproof sealing after being compressed.

In some embodiments of the present invention, in the dry operation mode, a secondary dust removal operation is performed on the gas introduced into the dust removal box 100, so as to enhance the dust removal effect of the dust removal box 100. After the single cleaning operation is finished, the high-pressure cleaning of the filter screen 12, the rolling brush 11 and the brush 112 and the roller 111 by the brush bristles 112 is realized, so that the self-cleaning effect of the dust removal box 100 is improved, the dust removal and filtration system can be thoroughly cleaned, and the equipment does not need to replace a filtration mechanism regularly; and a negative pressure air path of a fan of the equipment is utilized to carry out deep back flushing self cleaning on the filter screen 12. The structural scheme of the dust removal box 100 is optimized, so that the dust removal box 100 can be used in both dry and wet modes, and the equipment can be ensured to operate in sunny days and rainy days; in the wet cleaning operation mode, the gas is firstly filtered by the bristles 112 and then filtered by the filter screen 12, so that compared with the traditional wet cleaning operation, one bristle 112 filtering process is added, the filtering capability of the equipment on the exhaust gas in rainy days is enhanced, and the secondary pollution to the air caused by incomplete filtering of small-particle garbage attached to the gas under the wet filtering condition is prevented.

Dust removal case 100 among the correlation technique realizes removing dust only through sack or filter bag filtration, and the technical scheme of this application passes through: water is added to the brush bristles 112 of the rolling brush 11, so that the dust adsorption force is improved; primary filtration and secondary filtration of a sintered filter screen (namely the filter screen 12) among the brush hairs 112 of the rolling brush 11; negative pressure is added between the brush hairs 112 of the rolling brush 11, and the dust filtering problem is solved through negative pressure dust collection and other schemes, so that the dust removal effect of the dust removal box 100 is enhanced.

In the related art, the cloth bag self-cleaning scheme of the dust removal box 100 has a poor dust removal effect. According to the technical scheme, when the bristles 112 of the rolling brush 11 rotate to the lower cavity area (namely the second cavity 1104B) of the rolling brush, the lower cavity (the second cavity 1104B) of the rolling brush 11 sprays high-pressure water flow, and under the action of the high-pressure water flow and the self weight of garbage, the garbage between the bristles 112 can be deeply cleaned; the problem that the self-cleaning of the bag type vibration dust removal scheme in the related technology is not complete is solved, and the problem that the cleaning and absorbing capacity of equipment is reduced due to the fact that a cloth bag is blocked and cannot be thoroughly self-cleaned after the bag type dust removal scheme is used for a certain time is avoided; the maintenance-free continuous cruising ability of the equipment under continuous operation is enhanced.

The surface of a sintered filter screen (namely the filter screen 12) is preliminarily self-cleaned through the autorotation of the brush bristles 112 of the rolling brush 11; meanwhile, when the two rows of negative pressure suction pipes 116 mixed in the rolling brush 11 respectively pass through the upper cavity (i.e., the first cavity 1104A) of the rolling brush 11, negative pressure is applied to the interior of the suction pipe 116 in the upper cavity (i.e., the first cavity 1104A), and the negative pressure suction pipe 116 can deeply self-clean the sintered filter screen (i.e., the filter screen 12). The self-cleaning effect of the equipment is enhanced by the two-step self-cleaning scheme.

In the scheme, the roller brush 11 needs to be kept wet when the roller is periodically washed by high-pressure water in sunny days or rainy days; the problem that the cloth bag is blocked by keeping the dust removing box dry like dry dust removing equipment in the related art is solved; the effect of dry and wet two purposes of the dust removal box is achieved, and the universality of the equipment is enhanced;

the scheme utilizes the multiple filtering modes of the bristle 112 filtering and the filter screen 12 filtering, thereby improving the filtering capacity of the equipment in the rainy day operation mode, and ensuring that the equipment can operate more cleanly and thoroughly when being wet.

In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A dust removal box is characterized by comprising;

the box body (10), wherein the box body (10) is internally provided with a dust removal channel (402);

the rolling brush (11) comprises a roller (111) and bristles (112), the roller (111) is rotatably connected with the box body (10), the bristles (112) are connected with the roller (111) and are arranged on the outer side of the roller (111) in a divergent mode, and the bristles (112) are configured into a filtering structure located between an inlet and an outlet of the dust removing channel (402).

2. A dust removal bin according to claim 1, further comprising:

a screen (12), which screen (12) covers the outside of the roller brush (11) and separates the roller brush (11) from the outlet of the dust removal channel (402), and which screen is configured to filter the airflow from the roller brush (11) to the outlet of the dust removal channel (402);

the filter screen (12) is configured in an arc shape extending around the roller (111), the roller (111) is rotatably arranged inside the filter screen (12), and the bristles (112) are suitable for cleaning the inner side of the filter screen (12).

3. A dust removal box according to claim 2, characterized in that the screen (12) is configured in the shape of an arc with an opening (1201) at the lower side, and the inlet of the dust removal channel (402) is provided at the lower side of the box body (10) opposite to the opening (1201) of the screen (12);

and/or the rolling brush (11) is arranged in the dust removing channel (402) and is arranged between the inlet and the outlet of the dust removing channel (402), and the filter screen (12) and the side wall of the dust removing channel (402) are sealed by a partition.

4. A dust removal bin according to claim 1, wherein at least one airflow baffle (42) is arranged in the dust removal channel (402), the airflow baffle (42) is arranged downstream of the roller brush (11), and the airflow baffle (42) forms a circuitous airflow channel in the dust removal channel (402);

and/or the box body (10) is internally provided with an air inlet channel (401), the air inlet channel (401) is separated from the dust removing channel (402) by a baffle plate (41), a second inlet of the air inlet channel (401) is opposite to the baffle plate (41), and a second outlet of the air inlet channel (401) and an inlet of the dust removing channel (402) are arranged side by side and are configured to be connected with a garbage box (30).

5. A dust removal box according to any one of claims 1 to 4, characterized in that a cavity is arranged in the drum (111), a first through hole (1101) communicated with the cavity is arranged on the peripheral wall, and the first through hole (1101) is communicated with the gap between the brush hairs (112); the roller (111) is further provided with a connecting hole (1103), the connecting hole (1103) is communicated with the cavity and is configured to be used for introducing or extracting media into or out of the cavity.

6. A dust removal bin according to claim 5, wherein the roller brush (11) further comprises:

the baffle (113), the said baffle (113) stretches into the said cylinder (111), and form the first chamber (1104A) and second chamber (1104B) between relative both sides of the said baffle (113) and peripheral wall of the said cylinder (111) respectively, the said first chamber (1104A) and said second chamber (1104B) are separated;

the baffle (113) is rotatable with respect to the drum (111) such that the first through hole (1101) is switchably communicated with the first chamber (1104A) or the second chamber (1104B), and the connection hole (1103) includes a first hole (1103A) communicated with the first chamber (1104A) and a second hole (1103B) communicated with the second chamber (1104B).

7. A dust box according to claim 6, characterized in that a first end plate (114) and a second end plate (115) are respectively connected to two ends of the roller (111), the first end plate (114) covers one end of the roller (111) and is rotatably connected with the roller (111), the second end plate (115) covers the other end of the roller (111), the partition plate (113) is fixedly connected with the first end plate (114), and the connecting hole (1103) is arranged on the first end plate (114).

8. The dust removal box of claim 7, wherein a fan assembly (20) is arranged on the dust removal box, a bypass interface (201) is arranged on the fan assembly (20), and the bypass interface (201) is communicated with a negative pressure area in the fan assembly (20) and is communicated with the connecting hole (1103).

9. The dust removal box of claim 5, wherein a second through hole (1102) communicated with the cavity is further formed in the peripheral wall of the roller (111), the roller brush (11) further comprises a suction pipe (116) extending along the radial direction of the roller (111), one end of the suction pipe (116) is connected with the roller (111) and communicated with the second through hole (1102), and the other end of the suction pipe (116) is opened (1201).

10. A dust removal box according to claim 9, characterized in that the length of the suction pipe (116) in the radial direction of the drum (111) is shorter than the length of the bristles (112).

11. A road sweeper, comprising:

a suction nozzle (200), the suction nozzle (200) being in communication with an inlet of the fan assembly (20) to suck debris from the ground;

a dustbin (30), the dustbin (30) being in communication with an outlet of the fan assembly (20);

a dust bin according to any one of claims 1-10, in communication with the waste bin (30),

wherein an inlet of the fan assembly (20) is in communication with the suction nozzle (200).