CN217244146U - Liquid collecting device and cleaning equipment - Google Patents

Abstract

The utility model discloses a liquid collection device and cleaning device. The liquid collecting device comprises a box body, wherein an accommodating cavity is formed in the box body, a mounting part is arranged at the first end of the accommodating cavity, and an exhaust passage communicated with the outside of the box body is formed in the mounting part; the liquid inlet is arranged on the box body and communicated with the accommodating cavity; the rotating part is rotatably arranged on the mounting part and is provided with an air passing port, and a gap is formed between the rotating part and the mounting part; and the sealing structure is arranged at the gap, so that the accommodating cavity can be communicated with the exhaust channel only through the air passing port. The utility model discloses a cleaning equipment that liquid collection device and cleaning equipment can solve among the prior art has clean inefficiency problem.

Description

Liquid collecting device and cleaning apparatus

Technical Field

The utility model belongs to the technical field of cleaning equipment is relevant, concretely relates to liquid collection device and cleaning equipment.

Background

With the continuous progress of living conditions and the technological level, the cleaning equipment has the advantages of convenient use and good cleaning effect, so that the cleaning equipment gradually replaces manual cleaning to widely appear in life and work. When sewage exists on a surface to be cleaned in the using process of the cleaning device, the cleaning device can adsorb the sewage into the sewage collecting box, and the main means is to form negative pressure in the sewage collecting box so as to suck the sewage into the sewage collecting box.

However, in the process of collecting sewage by the existing cleaning equipment, the phenomenon that the sewage enters the outside of the box body from the air outlet channel of the sewage collecting box easily occurs, and the use of the cleaning equipment is influenced.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that present cleaning device has the problem of clean inefficiency.

In order to solve the technical problem, the utility model provides a liquid collecting device, which comprises a box body, wherein a containing cavity is arranged inside the box body, a first end of the containing cavity is provided with an installation part, and the installation part is provided with an exhaust passage communicated with the outside of the box body; the liquid inlet is arranged on the box body and communicated with the accommodating cavity; the rotating part is rotatably arranged on the mounting part and is provided with an air passing port, and a gap is formed between the rotating part and the mounting part; and the sealing structure is arranged at the gap so that the accommodating cavity can be communicated with the exhaust channel only through the air passing opening.

Optionally, the liquid collecting device further comprises a liquid inlet pipe, a first end of the liquid inlet pipe extends into the box body from a second end of the box body, and the first end of the liquid inlet pipe is formed into a liquid inlet; and/or the liquid collecting device also comprises a driving part, the driving part is arranged on the mounting part, the rotating part comprises an impeller, and the impeller is in driving connection with the driving part so that the driving part drives the impeller to rotate; one or more air passing ports are arranged on the periphery of the impeller.

Optionally, the surface of the mounting part facing the rotating part is a first mounting surface, the surface of the rotating part facing the mounting part is a second mounting surface, the first mounting surface and the second mounting surface are arranged at intervals to form a gap, and the sealing structure comprises at least one first annular convex rib extending from the first mounting surface to one side of the second mounting surface; and/or at least one first annular convex rib extending from the second mounting surface to one side of the first mounting surface.

Optionally, the sealing structure comprises a mounting plate, the mounting plate is arranged in an annular structure, the mounting plate is arranged on the first mounting surface or the second mounting surface, and the first annular convex rib is arranged on the mounting plate.

Optionally, the sealing structure further comprises a second annular bead, the second annular bead is disposed on the first mounting surface or the second mounting surface where the mounting plate is not disposed, and the second annular bead extends toward the mounting plate.

Optionally, the first annular convex rib and the second annular convex rib are both multiple, the mounting plate is mounted on the second mounting surface, and the multiple first annular convex ribs are arranged concentrically; a plurality of second annular protruding muscle are with the centre of a circle setting, and the second annular protruding muscle is installed on first installation face, and two adjacent second annular protruding muscle cooperations form annular channel, and first annular protruding muscle and annular channel one-to-one, the inside of annular channel is stretched into to at least some of first annular protruding muscle to set up with second annular protruding muscle and first installation face interval.

Optionally, the sealing structure comprises a soft sealing element arranged in an annular shape, one end of the soft sealing element is mounted on the mounting part, and the other end of the soft sealing element is abutted against the second mounting surface of the impeller of the rotating part, so that dynamic sealing is formed between the soft sealing element and the impeller.

Optionally, set up the installation position on the installation department, soft sealing member has first installation section, changeover portion and the second installation section that connects in order, and first installation section is installed in installation position department, and the first end that first installation section was kept away from to the second installation section extends in order to form the flaring shape towards the impeller slope, and the first end and the impeller butt of second installation section.

Optionally, the distance from the second mounting section to the center of the soft seal is greater than the distance from the transition section to the center of the soft seal.

Alternatively, the seal structure has an inner wall and an outer wall which are relatively rotatable, one of the impeller and the mounting portion of the rotating member is connected to the outer wall of the seal structure, and the other of the impeller and the mounting portion is connected to the inner wall of the seal structure.

Optionally, the rotating member includes an impeller, a plurality of spaced-apart grilles are disposed on a side surface of the impeller, and a gas passing opening is formed between two adjacent grilles.

Optionally, the liquid collecting device further comprises a cover body, the cover body is detachably arranged at the first end of the accommodating cavity, the mounting portion is arranged on the cover body, and the cover body can drive the rotating member to be separated from the accommodating cavity.

Optionally, the liquid collecting device further comprises a driving member, at least one part of the driving member is installed inside the cover body, and at least another part of the driving member extends out of the cover body and is in driving connection with the rotating member.

Optionally, the cover body comprises an upper cover body section and a lower cover body section which are connected, the upper cover body section and the lower cover body section are matched with the accommodating space, and the exhaust passage is communicated with the accommodating space.

The utility model also provides a cleaning device, including foretell liquid collection device, organism, liquid collection device installs on the organism.

The utility model provides a technical scheme has following advantage:

the utility model provides a liquid collecting device includes box, inlet, rotates piece and seal structure, is provided with exhaust passage on the installation department of the inside of box to discharge the box behind gas passing port, the exhaust passage of the inside of box by rotating, make the inside of box remain negative pressure state all the time, the box will treat the inside that the sewage on the cleaning surface inhaled the box through the inlet.

Wherein, rotate the piece and install on the installation department, realize the steam separation under the rotation effect of rotating the piece, on with sewage get rid of the inner wall of box under centrifugal action, gas enters into the inside of gas port, through the clearance department installation seal structure between rotation piece and installation department, can effectually avoid appearing sewage and enter into the outside phenomenon of box by sewage collecting box's air outlet duct, cause the influence to cleaning equipment's use, thereby cleaning equipment's safety in utilization has been improved, liquid collection device absorption efficiency has also been improved.

Drawings

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

Fig. 1 is a front view of a fluid collection device provided by the present invention;

fig. 2 is a schematic perspective view of an impeller according to the present invention;

fig. 3 is a plan view of a liquid collecting apparatus according to embodiment 1 of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of FIG. 4 at D;

fig. 6 is a schematic view of the connection relationship between the mounting plate and the first annular rib of the present invention;

fig. 7 is a top view of a liquid collection apparatus according to embodiment 2 of the present invention;

FIG. 8 is a sectional view taken along line B-B of FIG. 7;

FIG. 9 is an enlarged view at E of FIG. 8;

fig. 10 is a schematic perspective view of a soft sealing member according to example 2 of the present invention;

fig. 11 is a plan view of a liquid collecting apparatus according to embodiment 3 of the present invention;

FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11;

fig. 13 is an enlarged view at F of fig. 12;

fig. 14 is a schematic perspective view of a liquid collecting device according to the present invention.

Description of reference numerals:

100-a box body; 110-a mounting portion; 120-a retaining structure; 130-a liquid inlet; 200-a liquid inlet pipe; 300-a driver; 400-an impeller; 410-gas passing port; 510-a mounting plate; 511-a first annular bead; 512-second annular bead; 520-soft seal; 521-a first mounting section; 522-a transition section; 523-a second mounting section; 530-waterproof bearing; 531-outer wall; 532-inner wall; 600-an exhaust channel; 700-a filter assembly; 800-clearance; 900-cover body; 910-upper cover body section; 920-lower cover body section; 930-an accommodating space; 940-connecting member.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

The utility model provides a cleaning device among the prior art have clean inefficiency problem.

Example 1

The present embodiment provides a liquid collecting apparatus, as shown in fig. 1 to 6, the liquid collecting apparatus includes a case 100, a liquid inlet pipe 200, a driving member 300, an impeller 400, and a sealing structure, the case 100 has a receiving chamber therein, the receiving chamber has a mounting portion 110 at a first end thereof, the mounting portion 110 is located at the first end of the case 100 and has an exhaust passage 600 communicating with the outside, the liquid inlet pipe 200 is mounted on the case 100, the first end of the liquid inlet pipe 200 extends into the case 100 from a second end of the case 100, the driving member 300 is mounted on the mounting portion 110, the driving member 300 is drivingly connected to the impeller 400, the impeller 400 is mounted inside the case 100 and has a gap 800 with the mounting portion 110, an air vent 410 of the impeller 400 is disposed along a circumferential direction of the impeller 400, the sealing structure is mounted at the gap 800, so that the gas inside the case 100 can enter the exhaust channel 600 only through the gas passing ports 410.

Wherein, the tank 100 is provided with a liquid inlet 130 communicated with the accommodating cavity, the second end of the liquid inlet pipe 200 extends into the tank 100, and the first end of the liquid inlet pipe 200 is formed as the liquid inlet 130.

Specifically, the exhaust channel 600 is disposed on the mounting portion 110 inside the tank 100, so that the gas inside the tank 100 is exhausted from the air inlet 410 of the impeller 400 and the exhaust channel 600 to the tank 100, the inside of the tank 100 is always kept in a negative pressure state, the tank 100 is in contact with the surface to be cleaned through the liquid inlet pipe 200, and the liquid inlet pipe 200 is used to suck the sewage on the surface to be cleaned into the tank 100.

Wherein, impeller 400 installs on installation department 110, under the drive effect of driving piece 300, realize the steam separation, on getting rid of the inner wall of box 100 with sewage under centrifugal action, gas enters into the inside of gas port 410, through clearance 800 department installation seal structure between impeller 400 and installation department 110, can effectually avoid sewage and steam to enter into exhaust passage 600's inside by clearance 800, steam separation has been ensured under impeller 400's effect, avoid sewage discharge box 100, the absorption efficiency of liquid collection device is improved.

It should be noted that the impeller 400 is an embodiment in the present embodiment, and the impeller 400 may be another rotating member.

Further, the liquid inlet pipe 200 extends into the inside of the tank 100 and has a predetermined height, so that the sewage introduced into the inside of the tank 100 from the liquid inlet pipe 200 enters the bottom of the tank 100 under the action of gravity. Wherein the specific height and size of the liquid inlet pipe 200 can be adaptively set according to the size of the tank 100.

In this embodiment, the liquid collecting device further includes a cover 900, the cover 900 is detachably disposed at the first end of the accommodating cavity, the mounting portion is disposed on the cover 900, and the cover 900 can drive the rotating member to disengage from the accommodating cavity, so as to clean the rotating member and the cover 900 conveniently.

Specifically, the cover plate includes an upper cover body section 910 and a lower cover body section 920 which are connected to each other, the upper cover body section 910 and the lower cover body section 920 cooperate to form an accommodating space 930, the exhaust passage 600 is communicated with the accommodating space 930, and the driving member 300 is installed inside the accommodating space 930 through a fastening member, so that the output shaft of the driving member 300 is conveniently connected to the impeller 400 after extending out of the accommodating space 930.

Further, the upper cover section 910 and the lower cover section 920 each have a receiving portion, and the two are butted to form the receiving space 930. Wherein, be formed with the middle part region that link up on lower cover body section 920, the portion of accomodating sets up in the middle part region, and goes up cover body section 910 and lower cover body section 920 and pass through connecting piece 940 and connect, and connecting piece 940 sets up along middle part regional circumference. The connecting member 940 may be disposed on the upper cover body section 910, and the upper cover body section 910 is connected to the inner wall of the lower cover body section 920 through the connecting member 940; the connecting member 940 may also be disposed on the lower cover body section 920, and the lower cover body section 920 is connected to the inner wall of the upper cover body section 910 through the connecting member 940; the connecting member 940 may also have a first portion and a second portion, the first portion is disposed on the upper cover body section 910, the second portion is disposed on the lower cover body section 920, and the upper cover body section 910 and the lower cover body section 920 are connected by plugging the first portion and the second portion.

The gap formed by the connecting elements 940 forms an air passing channel, and the two ends of the air passing channel are communicated with the air exhausting channel 600 in the cover 900 and the air passing opening 410 of the rotating element. Meanwhile, the impeller 400 is provided on the other end of the lower cover body section 920 opposite to the receiving portion.

Of course, the upper cover body section 910 and the lower cover body section 920 are not limited to be connected in a plugging manner, and may be connected by a fastening member such as a bolt.

Further, the driving member 300 is a motor, and the driving member 300 may be other structures capable of providing power.

Further, the impeller 400 is provided with a plurality of grids at intervals on the side surface, and a gas passing opening 410 is formed between two adjacent grids.

Of course, the air vent 410 is not limited to the structure of the grid, and other structures can be adopted to achieve the effect of water-vapor separation through rotation.

Further, the impeller 400 has a bottom surface, the output shaft of the driving member 300 is in driving connection with the bottom surface of the impeller 400 to drive the impeller 400 to rotate, one end of a plurality of grids arranged at intervals is arranged along the circumferential direction of the bottom surface, the plurality of grids extend towards the height direction to form a channel structure, and the air passing ports 410 are communicated with the channel structure.

It should be noted that the box 100 includes a base and a cover, the cover is detachably covered on the base, the liquid inlet pipe 200 extends from the base to the inside of the box 100, the mounting portion 110 is disposed on the inner surface of the cover, and the exhaust passage 600 penetrates the cover and communicates with the outside of the box 100.

In this embodiment, the liquid collecting apparatus further includes a negative pressure generator and a filter assembly 700, the negative pressure generator is communicated with the air discharge channel 600, the air in the box 100 is discharged out of the box 100 through the air passing opening 410, the air discharge channel 600 and the negative pressure generator, the filter assembly 700 is mounted on the mounting portion 110, and the filter assembly 700 is used for filtering the air flowing out from the air discharge channel 600.

Specifically, the negative pressure generator is used to discharge the gas inside the tank 100 out of the tank 100 through the exhaust channel 600 to maintain a negative pressure state inside the tank 100, so that the sewage can enter the inside of the tank 100 along the liquid inlet pipe 200 under the action of pressure, and the negative pressure generator may be a vacuum pump.

Further, the filter assembly 700 is used for filtering the air, and discharging the other dirty air inside the box 100 to the outside of the box 100 after filtering and purifying, so as to prevent the air from directly discharging to pollute the environment.

Of course, a gas collecting device may be provided outside the tank 100 or on the tank 100 to collect the discharged gas, collect a predetermined amount of gas, and perform a concentrated process.

As shown in fig. 4, 5 and 6, a surface of the mounting portion 110 facing the output shaft of the driving member 300 is a first mounting surface, a surface of the impeller 400 facing the mounting portion 110 is a second mounting surface, the first mounting surface and the second mounting surface are spaced to form a gap 800, and the sealing structure includes at least one first annular rib 511.

Specifically, the at least one first annular rib 511 may extend from the first mounting surface to the second mounting surface, or the at least one first annular rib 511 may extend from the second mounting surface to the first mounting surface, or both the first mounting surface and the second mounting surface may extend.

It should be noted that the first mounting surface and the second mounting surface may simultaneously extend out of at least one first annular rib 511, the plurality of first annular ribs 511 on the first mounting surface are matched to form a plurality of annular mounting channels, and the at least one first annular rib 511 on the second mounting surface is arranged in one-to-one correspondence with the mounting channels, so that the first annular rib 511 on the second mounting surface extends into the mounting channels.

As shown in fig. 4, 5 and 6, the sealing structure includes a mounting plate 510, the mounting plate 510 is disposed in an annular structure, the mounting plate 510 is disposed on a first mounting surface or a second mounting surface, a first annular rib 511 is disposed on the mounting plate 510, the sealing structure further includes a second annular rib 512, the second annular rib 512 is disposed on the first mounting surface or the second mounting surface where the mounting plate 510 is not disposed, and the second annular rib 512 protrudes toward the mounting plate 510.

Specifically, first annular protruding muscle 511 and second annular protruding muscle 512 are a plurality of, and a plurality of first annular protruding muscle 511 are concentric to be set up, and a plurality of second annular protruding muscle 512 are concentric to be set up, and two adjacent second annular protruding muscle 512 cooperate and form the annular channel, first annular protruding muscle 511 and annular channel one-to-one, and the inside of annular channel is stretched into to at least partly of first annular protruding muscle 511 to set up with second annular protruding muscle 512 and first installation face interval.

Similarly, two adjacent first annular ribs 511 are matched to form an annular channel, the second annular ribs 512 correspond to the annular channel one by one, and at least one part of the second annular rib 512 extends into the annular channel and is arranged at intervals with the first annular ribs and the second mounting surface.

Further, the first ribs and the second ribs 512 cooperate to form a flow channel, the pressure difference between two ends of the flow channel is relatively low, and the resistance of the air entering the exhaust channel 600 of the mounting portion 110 through the flow channel is large, so that the air passing through the annular channel is less, and more sewage cannot be carried to enter the inner side of the impeller 400, thereby improving the water-gas separation efficiency of the impeller 400.

Further, the mounting plate 510 may be mounted on the second mounting surface, and the mounting plate 510 may be mounted on the first mounting surface, and may be specifically adjusted according to actual mounting requirements, and of course, it is also possible to mount the mounting plate 510 on both the first mounting surface and the second mounting surface.

As shown in FIG. 14, a catch structure 120 is further provided on the case 100, and the catch structure 120 is provided near the top end of the case 100 to facilitate the clamping connection of the case 100 with the cleaning device via the catch structure 120.

Specifically, the box 100 is provided with a recess, and the catch structure 120 includes a plate-shaped structure extending from an inner surface of the recess and cooperating with the recess to form a groove-shaped structure to form the catch structure 120.

Further, the position of the holding structure 120 is not limited to near the top of the box 100, and particularly, the box 100 is convenient to connect with the cleaning device.

Of course, in this embodiment, the retaining structure 120 is not limited to the groove-shaped structure, but may be other structures that can be conveniently clamped with the cleaning device.

Example 2

Unlike embodiment 1, in the present embodiment, as shown in fig. 7 to 10, the seal structure includes a soft seal 520 provided in a ring shape, one end of the soft seal 520 is attached to the attachment portion 110, and the other end of the soft seal 520 abuts against the second attachment surface of the impeller 400, so that dynamic sealing is formed between the soft seal 520 and the impeller 400. The soft seal 520 may be a gasket.

Specifically, the soft seal 520 is disposed at the gap 800, the impeller 400 is driven by the driving element 300 to rotate, and relative sliding is formed between the soft seal 520 and the impeller 400, that is, friction is generated between the soft seal 520 and the impeller 400, so that the soft seal 520 forms a dynamic seal at the gap 800.

Further, the mounting portion 110 is provided with a mounting position, the soft seal 520 includes a first mounting segment 521, a transition segment 522, and a second mounting segment 523, which are connected in sequence, the first mounting segment 521 is mounted at the mounting position, one end of the second mounting segment 523, which is far from the first mounting segment 521, is a first end, the first end extends obliquely toward the impeller 400 to form an expanded shape, and a first end, that is, a lower end of the second mounting segment 523 abuts against the impeller 400.

Wherein, soft sealing member 520's first installation section 521 is installed in installation position department to make soft sealing member 520 install on installation department 110 steadily, at impeller 400 pivoted in-process, soft sealing member 520 can not rotate, remains the sealed effect of clearance 800 department throughout, avoids steam to enter into impeller 400's inside by clearance 800, improves impeller 400 steam separation's effect, has avoided the inside that sewage enters into exhaust passage 600 simultaneously, has improved clean efficiency.

Further, the distance from second mounting segment 523 to the center of soft seal 520 is greater than the distance from transition segment 522 to the center of soft seal 520.

The second mounting section 523 is not limited to the flared structure, and the second mounting section 523 may have a tapered or straight tubular structure, specifically, the soft seal 520 may seal the gap 800.

Example 3

Unlike embodiment 1, in the present embodiment, as shown in fig. 11 to 13, the seal structure has an inner wall 532 and an outer wall 531 which are relatively rotatable, one of the impeller 400 and the mounting portion 110 is connected to the outer wall 531 of the seal structure, and the other of the impeller 400 and the mounting portion 110 is connected to the inner wall 532 of the seal structure.

Wherein the sealing structure may be a waterproof bearing 530.

Specifically, impeller 400 can realize rotating for installation department 110 through waterproof bearing 530, and waterproof bearing 530 is installed in clearance 800 department, can backstop the inside that steam enters into impeller 400 by clearance 800 department, has strengthened the effect of the steam separation of impeller 400, has avoided simultaneously that there is sewage to enter into exhaust passage 600's inside, has improved clean efficiency.

In this embodiment, the waterproof bearing 530 may be a roller bearing, or may be any other bearing whose inner wall and outer wall can rotate relatively.

Example 4

This embodiment provides a cleaning apparatus comprising a body and the liquid collecting device of embodiment 1, the liquid collecting device being mounted on the body.

Specifically, the cleaning device can collect the sewage on the surface to be cleaned through the liquid collecting device so as to realize the cleaning effect.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

impeller 400 installs on installation department 110, under the drive effect of driving piece 300, realize water vapor separation, on getting rid of the inner wall of box 100 with sewage under centrifugal action, gas enters into the inside of gas port 410, through clearance 800 department installation seal structure between impeller 400 and installation department 110, can effectually avoid sewage and steam to enter into exhaust passage 600's inside by clearance 800, water vapor separation has been ensured under impeller 400's effect, avoid sewage discharge box 100, the liquid collecting device absorption efficiency has been improved.

It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. Based on the embodiment of the utility model, ordinary technical personnel in this field can make other different forms of change or change under the prerequisite of not making creative work, all should belong to the scope of protection of the utility model.

Claims (15)

1. A liquid collection device, comprising:

the air conditioner comprises a box body, a first air inlet and a second air inlet, wherein an accommodating cavity is formed in the box body, a first end of the accommodating cavity is provided with a mounting part, and the mounting part is provided with an exhaust passage communicated with the outside of the box body;

the liquid inlet is arranged on the box body and communicated with the accommodating cavity;

the rotating part is rotatably arranged on the mounting part and is provided with an air passing port, and a gap is formed between the rotating part and the mounting part;

a sealing structure installed at the gap so that the accommodation chamber can communicate with the exhaust passage only through the air passing port.

2. The fluid collection device of claim 1,

the liquid collecting device also comprises a liquid inlet pipe, wherein the first end of the liquid inlet pipe extends into the box body from the second end of the box body, and the first end of the liquid inlet pipe is formed into the liquid inlet; and/or

The liquid collecting device further comprises a driving part, the driving part is installed on the installation part, the rotating part comprises an impeller, and the impeller is in driving connection with the driving part so that the driving part drives the impeller to rotate; one or more air passing ports are formed in the circumferential direction of the impeller.

3. A liquid collection apparatus according to claim 1 or 2,

the installation department orientation the surface of rotating the piece is first installation face, rotate the piece orientation the surface of installation department is the second installation face, first installation face with second installation face interval sets up in order to form the clearance, seal structure includes:

at least one first annular convex rib extending from the first mounting surface to one side of the second mounting surface; and/or

And the second mounting surface is provided with at least one first annular convex rib extending towards one side of the first mounting surface.

4. A liquid collection device according to claim 3, wherein said sealing structure includes a mounting plate arranged in an annular configuration, said mounting plate being arranged on said first mounting surface or said second mounting surface, said first annular bead being arranged on said mounting plate.

5. The fluid collection device of claim 4, wherein the sealing structure further comprises a second annular bead disposed on the first mounting surface or the second mounting surface where the mounting plate is not disposed, and the second annular bead projects toward the mounting plate.

6. The fluid collection device of claim 5, wherein said first annular bead and said second annular bead are each a plurality, and said mounting plate is mounted on said second mounting surface;

the first annular convex ribs are arranged concentrically;

a plurality of the second annular protruding muscle sets up with the centre of a circle, just the second annular protruding muscle is installed on the first installation face, adjacent two the cooperation of second annular protruding muscle forms annular channel, first annular protruding muscle with annular channel one-to-one, at least some of first annular protruding muscle stretches into annular channel's inside, and with the second annular protruding muscle with first installation face interval sets up.

7. The liquid collecting apparatus as claimed in claim 1 or 2, wherein the sealing structure includes a soft sealing member disposed in a ring shape, one end of the soft sealing member is mounted on the mounting portion, and the other end of the soft sealing member abuts against the second mounting surface of the impeller of the rotating member, so that a dynamic seal is formed between the soft sealing member and the impeller.

8. The liquid collecting device as claimed in claim 7, wherein a mounting position is provided on the mounting portion, the soft sealing member has a first mounting section, a transition section and a second mounting section which are connected in sequence, the first mounting section is mounted at the mounting position, a first end of the second mounting section, which is far away from the first mounting section, extends obliquely towards the impeller to form a flared shape, and a first end of the second mounting section abuts against the impeller.

9. The liquid collection device of claim 8, wherein the second mounting section is spaced further from a center of the soft seal than the transition section.

10. A liquid collecting apparatus as claimed in claim 1 or 2, wherein said sealing structure has an inner wall and an outer wall which are relatively rotatable, one of said impeller and said mounting portion of said rotary member being connected to said outer wall of said sealing structure, and the other of said impeller and said mounting portion being connected to said inner wall of said sealing structure.

11. A liquid collecting apparatus according to claim 1 or claim 2, wherein the rotatable member comprises an impeller having a plurality of spaced apart louvres formed in a side thereof, the louvres defining the air-passing openings between adjacent louvres.

12. The fluid collecting apparatus as recited in claim 1, further comprising a cover detachably disposed at the first end of the accommodating chamber, wherein the mounting portion is disposed on the cover, and the cover can drive the rotating member to disengage from the accommodating chamber.

13. The fluid collection device of claim 12, further comprising an actuating member, at least a portion of the actuating member being mounted within the cover, at least another portion of the actuating member extending beyond the cover for driving engagement with the rotatable member.

14. The fluid collecting apparatus as claimed in claim 12, wherein the cover includes an upper cover section and a lower cover section, the upper cover section and the lower cover section are connected to form a receiving space, and the exhaust passage is communicated with the receiving space.

15. A cleaning apparatus, characterized in that the cleaning apparatus comprises:

a body;

the fluid collection device of any one of claims 1 to 14, mounted on the body.

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