CN114232540A - Blowdown device and washing and sweeping vehicle - Google Patents

Blowdown device and washing and sweeping vehicle Download PDF

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Publication number
CN114232540A
CN114232540A CN202111620174.4A CN202111620174A CN114232540A CN 114232540 A CN114232540 A CN 114232540A CN 202111620174 A CN202111620174 A CN 202111620174A CN 114232540 A CN114232540 A CN 114232540A
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China
Prior art keywords
sewage
foldable
waterproof
fixed
waterproof piece
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Granted
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CN202111620174.4A
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Chinese (zh)
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CN114232540B (en
Inventor
邱东升
彭稳
徐浩
张振龙
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Henan Xi Renewable Automobile Co ltd
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Shanghai Xizhong New Energy Technology Co Ltd
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Priority to CN202111620174.4A priority Critical patent/CN114232540B/en
Publication of CN114232540A publication Critical patent/CN114232540A/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/04—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading
    • E01H1/047—Collecting apparatus characterised by the hopper or by means for unloading the hopper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuse-Collection Vehicles (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

The invention provides a sewage draining device and a washing and sweeping vehicle, wherein the sewage draining device comprises a foldable waterproof piece and a floater which are both arranged in a dustbin; the foldable waterproof piece can be fixed on the box wall in a foldable mode and arranged around the sewage draining outlet, and a water draining notch is formed in the top end of the foldable waterproof piece; the floater is fixed at the drainage notch of the foldable waterproof piece, and the foldable waterproof piece can be driven to be folded or unfolded under the change of the liquid level in the garbage can, so that the drainage notches with different heights are formed. When discharging sewage, if silt is higher than the drain, during the water level descends, collapsible waterproof spare descends to silt when high, because silt blocks, collapsible waterproof spare will not descend, and the top blowdown breach of collapsible waterproof spare is higher than silt height to realize the high self-adaptation of blowdown, avoid silt to block up the drain along with sewage when discharging from the drain. The washing and sweeping vehicle can meet the sewage discharge requirements of road surface operation with different pollution degrees.

Description

Blowdown device and washing and sweeping vehicle
Technical Field
The invention relates to the technical field of washing and sweeping vehicles, in particular to a pollution discharge device and a washing and sweeping vehicle.
Background
In recent years, with the increasing of the national treatment investment on the environment and the increasing of the environmental awareness of people, the environmental sanitation equipment industry develops rapidly, and the sanitation vehicle becomes a cleaning tool closely related to our life. Especially, the requirement of environmental monitoring of PM2.5 in cities in China on the cleanness of urban road surfaces is greatly improved, so that road surface cleaning mechanical equipment represented by a washing and sweeping vehicle is rapidly popularized and applied.
At present, a trash bin rear door pollution discharge device of an industrial washing and sweeping vehicle is formed by welding a threaded connection pipe on the outer side of a rear door, additionally arranging a butterfly valve, a connector and a steel elbow, wherein the height of a pollution discharge outlet is fixed, when the silt in an operation section of the washing and sweeping vehicle is less, the higher the height of the pollution discharge outlet is, the higher the residual sewage amount after the sewage in the tank is fully discharged is, the smaller the operation sewage tank is, the shorter the operation time is, the higher the vehicle load is, and the higher the driving energy consumption is; however, when the silt in the operation section of the washing and sweeping vehicle is more, or along with the increase of the continuous operation times, the silt in the garbage can is increased, and when the sewage discharge outlet is lower than the silt in the garbage can, the silt can be discharged together when sewage is discharged, so that the sewer can be blocked, namely, the washing and sweeping vehicle cannot completely adapt to the requirements of midway sewage discharge in road surface operation with different pollution degrees.
Therefore, how to meet the sewage discharge requirement of road surface operation with different pollution levels of the washing and sweeping vehicle is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the first objective of the present invention is to provide a sewage draining apparatus, which can meet the sewage discharge requirements of road surface works with different pollution levels.
The second purpose of the invention is to provide a washing and sweeping vehicle.
In order to achieve the first object, the invention provides the following technical scheme:
a sewage draining device is used for draining sewage in a dustbin, a sewage draining port is formed in the wall of the dustbin, and the sewage draining device comprises a foldable waterproof piece and a floater which are both arranged in the dustbin;
the foldable waterproof piece is fixed on the box wall in a foldable mode and arranged around the sewage draining outlet, and a water draining notch is formed in the top end of the foldable waterproof piece;
the floater is fixed at the drainage notch of the foldable waterproof piece, and can drive the foldable waterproof piece to be folded or unfolded under the change of the liquid level in the garbage can so as to form the drainage notches with different heights.
In a particular embodiment, the drainage notch of the collapsible flashing is lower than or even with the bottom end of the waste outlet when the collapsible flashing is in the unfolded state,
when the foldable waterproof piece is in a folded state, the drainage notch of the foldable waterproof piece is higher than the top end of the sewage draining outlet.
In another specific embodiment, the waste fitting further comprises a stopper seat;
the limiting seat is fixed on the box wall, and the foldable waterproof piece covers the limiting seat and is used for limiting the folding angle of the foldable waterproof piece.
In another specific embodiment, the spacing block comprises a first spacing plate and a second spacing plate;
the first limiting plate and the second limiting plate are respectively located on two sides of the sewage draining outlet, and are inclined towards the direction close to the tank wall along the direction from the top end of the tank wall to the bottom end of the tank wall.
In another particular embodiment, the collapsible flashing comprises a flexible connection and a tarpaulin;
the two side edges of the waterproof cloth are fixed on the limiting seat through the first pressing plate;
the bottom edge of the waterproof cloth is fixed on the box wall through a second pressing plate;
one end of the flexible connecting piece is hinged to the bottom end of the limiting seat, the other end of the flexible connecting piece is hinged to the floater, and the floater is fixed to the top end of the waterproof cloth.
In another specific embodiment, the flexible linkage is a chain;
the waterproof cloth is canvas.
In another specific embodiment, the drainage device further comprises a float pull rod hinged on the chain and used for fixing the float;
and/or
The sewage discharge device further comprises a filter screen, wherein the filter screen is fixed on the box wall and buckled with the foldable waterproof piece.
In another specific embodiment, the sewage device further comprises a sewage pipe fixed outside the garbage can;
the inlet of the sewage discharge pipe is communicated with the sewage discharge port and used for discharging sewage.
In another embodiment, the waste pipe comprises an elbow and a butterfly valve;
the inlet of the elbow is communicated with the sewage discharge outlet, the outlet of the elbow is used for discharging sewage, and the elbow is arranged in a downward inclination manner along the direction from the inlet to the outlet;
the butterfly valve is installed on the bent pipe and used for controlling the on-off of the bent pipe.
The various embodiments according to the invention can be combined as desired, and the embodiments obtained after these combinations are also within the scope of the invention and are part of the specific embodiments of the invention.
According to the technical scheme, when the sewage draining device is used, the foldable waterproof piece is foldable and fixed on the wall of the garbage can of the washing and sweeping vehicle, the foldable waterproof piece is arranged around the sewage draining outlet, the floater is fixed at the position of the drainage notch formed in the top end of the foldable waterproof piece, and when no water exists in the garbage can, the floater drives the foldable waterproof piece to unfold under the action of gravity, so that the drainage notch of the foldable waterproof piece is lower than or flush with the bottom end of the sewage draining outlet. During the operation, along with the rising of dustbin sewage liquid level, the top that the float drove collapsible waterproof spare rises, collapsible waterproof spare's drainage breach risees gradually, when discharging sewage, if silt is higher than the drain, during the water level descends, collapsible waterproof spare descends when silt is high, because silt blocks, collapsible waterproof spare will not descend, collapsible waterproof spare's top blowdown breach is higher than silt height, thereby realize the high self-adaptation of blowdown, avoid silt to block up the drain along with sewage when discharging from the drain. In conclusion, the invention realizes the sewage discharge requirement of the washing and sweeping vehicle for adapting to road surface operation with different pollution degrees.
In order to achieve the second object, the present invention provides the following technical solutions:
a washing and sweeping vehicle comprising a waste bin and a waste fitting discharge as claimed in any one of the preceding claims;
the sewage draining device is arranged on the garbage can.
Because the washing and sweeping vehicle provided by the invention comprises the sewage draining device in any item, the sewage draining device has the beneficial effects that the washing and sweeping vehicle provided by the invention comprises.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic front view of a sewage draining device provided by the present invention when the rear door is welded together;
FIG. 2 is a schematic cross-sectional view of the sewage draining device of the present invention when it is installed on the back door by welding;
FIG. 3 is an isometric illustration of a waste fitting provided by the present invention mounted on a back door welded in a folded condition;
fig. 4 is an isometric view of a waste fitting provided by the present invention mounted on a back door welded together in an expanded state.
Wherein, in fig. 1-4:
the sewage draining device comprises a sewage draining device 1000, a rear door welded joint 2000, a sewage draining outlet 2001, a foldable waterproof piece 100, a floater 200, a floater pull rod 400, a drainage notch 101, a limiting seat 300, a first limiting plate 301, a second limiting plate 302, a flexible connecting piece 102, waterproof cloth 103, a filter screen 500, a sewage draining pipe 600, an elbow pipe 601 and a butterfly valve 602.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the position or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-2, in a first aspect of the present invention, a waste discharging device 1000 for discharging waste from a garbage bin of a scrubber truck is disclosed. It is understood that the waste discharging device 1000 of the present invention is not limited to be used for discharging waste from a garbage can, and can be used for other devices requiring solid-liquid separation. The wall of the dustbin is provided with a drain 2001, and in this embodiment, the drain 2001 is provided on a rear door welded part 2000 of the dustbin.
The drain device 1000 includes a foldable waterproof 100 and a float 200, and particularly, both the foldable waterproof 100 and the float 200 are built in a trash can. The float 200 can float on the water surface under the buoyancy of the water.
The foldable waterproof piece 100 can be fixed on the wall of the tank in a foldable mode and arranged around the sewage draining exit 2001, and a water draining notch 101 is formed in the top end of the foldable waterproof piece 100, so that sewage can enter the sewage draining exit 2001 from the water draining notch 101.
The float 200 is fixed at the drainage notch 101 of the foldable waterproof member 100, and can drive the foldable waterproof member 100 to fold or unfold under the change of the liquid level in the garbage can, so as to form drainage notches 101 with different heights. It can be understood that the drainage notch 101 is a notch defined by the top end of the foldable waterproof part 100, and the foldable waterproof part 100 is driven to fold or unfold with the lifting of the float 200 to change the angle, so that the drainage notch 101 is reduced or enlarged, as shown in fig. 3 and 4, the area of the drainage notch 101 is larger than that of the drain 101, therefore, the drainage notch 101 can block the drain 101, and the rapid drainage of the drain 101 is realized.
When the pollution discharge device 1000 provided by the invention is used, the foldable waterproof piece 100 can be folded and fixed on the wall of the garbage can of the washing and sweeping vehicle, the foldable waterproof piece 100 is arranged around the sewage discharge opening 2001, the floater 200 is fixed at the opening arranged at the top end of the foldable waterproof piece 100, and when no water exists in the garbage can, the floater 200 drives the foldable waterproof piece 100 to be unfolded under the action of gravity, so that the drainage notch 101 of the foldable waterproof piece 100 is lower than or flush with the bottom end of the sewage discharge opening 2001. During operation, along with the rising of dustbin sewage liquid level, float 200 drives collapsible waterproof 100's top and rises, collapsible waterproof 100's drainage breach 101 risees gradually, when discharging sewage, if silt is higher than drain 2001, during the water level descends, collapsible waterproof 100 descends when silt is high, because silt blocks, collapsible waterproof 100 will not descend, collapsible waterproof 100's top blowdown breach is higher than silt height, thereby realize the high self-adaptation of blowdown, avoid silt to block up drain 2001 along with sewage when discharging from drain 2001. In conclusion, the invention realizes the sewage discharge requirement of the washing and sweeping vehicle for adapting to road surface operation with different pollution degrees. In addition, according to the invention, the self-adaptation of the sewage discharge height in the dustbin can be realized only by additionally arranging the foldable waterproof part 100 and the floater 200, so that the dustbin is small in occupied space and high in sewage discharge efficiency.
In some embodiments, when the collapsible flashing 100 is in the deployed state, the drainage notch 101 of the collapsible flashing 100 is below or flush with the bottom end of the waste opening 2001, as shown in fig. 4; when the collapsible flashing 100 is in the collapsed state, the drainage notch 101 of the collapsible flashing 100 is higher than the top end of the waste opening 2001, as shown in fig. 3.
It is understood that the above-mentioned position relationship between the drainage notch 101 and the sewage drain 2001 when the foldable waterproof member 100 is in the unfolded state is only one embodiment of the present invention, and in practical applications, the drainage notch 101 of the foldable waterproof member 100 may be slightly higher than the bottom end of the sewage drain 2001 when the foldable waterproof member 100 is in the unfolded state.
In some embodiments, the drainage device 1000 further includes a limiting seat 300, the limiting seat 300 is fixed on the wall of the box, and the foldable waterproof member 100 covers the limiting seat 300 for limiting the folding angle of the foldable waterproof member 100.
The stopper 300 plays a role of stopping on the one hand, and also plays a role of supporting the foldable waterproof member 100 on the other hand.
Further, the invention discloses a limiting seat 300 which comprises a first limiting plate 301 and a second limiting plate 302, wherein the first limiting plate 301 and the second limiting plate 302 are respectively positioned at two sides of the sewage outlet 2001, and along the direction from the top end of the tank wall to the bottom end of the tank wall, the first limiting plate 301 and the second limiting plate 302 are inclined towards the direction close to the tank wall, so that the float 200 can drive the foldable waterproof piece 100 to unfold. Correspondingly, the cavity enclosed by the foldable waterproof part 100 and the box wall has a reduced cross section along the direction from the top end to the bottom end, so that the closer to the sewage draining exit 2001, the smaller the cross section of the enclosed cavity is, the higher the speed of sewage entering the sewage draining exit 2001 is, and the drainage efficiency is further improved.
Further, the present invention discloses that the first restriction plate 301 and the second restriction plate 302 are arranged in parallel.
In some embodiments, the foldable waterproof part 100 comprises a flexible connecting member 102 and a waterproof cloth 103, wherein two side edges of the waterproof cloth 103 are hermetically fixed on the limiting seat 300 through a first pressing plate, and the bottom edge of the waterproof cloth 103 is hermetically fixed on the box wall through a second pressing plate.
One end of the flexible connecting piece 102 is hinged with the bottom end of the limiting seat 300, the other end of the flexible connecting piece 102 is hinged with the floater 200, and the floater 200 is fixed with the top end of the waterproof cloth 103.
In order to facilitate the folding and unfolding of the tarpaulin 103, the present invention discloses that the flexible connecting member 102 is located inside the tarpaulin 103.
Further, the invention specifically discloses that the flexible connecting piece 102 is a chain, and the tarpaulin 103 is canvas. The flexible connecting member 102 is not limited to a chain, and may be a hinge or the like. The tarpaulin 103 may be made of leather or the like.
Specifically, the number of the chains is 2, and the top ends of the chains are connected through a transverse plate, and the transverse plate is connected with the waterproof cloth 103.
In some embodiments, the waste fitting 1000 further includes a float lever 400, and the float lever 400 is hinged on a chain and used to fix the float 200. Specifically, the float lever 400 is hinged to the chain by a pin.
In some embodiments, the drainage device 1000 further comprises a filter screen 500, the filter screen 500 is fixed on the wall of the box and the foldable waterproof member 100 is buckled to cover the drain 2001 and prevent large garbage from entering the drain 2001 to cause blockage.
In some embodiments, the waste discharging apparatus 1000 further comprises a waste pipe 600 fixed outside the garbage can, and an inlet of the waste pipe 600 communicates with the waste outlet 2001 for discharging the waste water.
Further, the invention discloses a sewage discharge pipe 600 which comprises an elbow 601 and a butterfly valve 602, wherein an inlet of the elbow 601 is communicated with a sewage discharge port 2001, an outlet of the elbow 601 is used for discharging sewage, and the elbow 601 is arranged in a downward inclined mode along the direction from the inlet to the outlet so as to facilitate the discharge of the sewage. Specifically, the bent pipe 601 is a steel bent pipe 601.
In order to facilitate the sewage to be discharged to a required position, a hose is communicated with the outlet of the elbow 601, and the hose can be folded. When the hose is not needed, the hose can be fixed outside the rear door of the dustbin.
The butterfly valve 602 is installed on the elbow 601 and used for controlling the on-off of the elbow 601, so that the discharge of sewage can be controlled conveniently.
The invention has the following advantages:
(1) the sewage discharge height is self-adaptive according to the sediment height in the garbage can, and the amount of residual sewage in the garbage can is less, so that the vehicle can adapt to road surface cleaning work with more pollution degree;
(2) the sewage discharge height is self-adaptive according to the sediment height in the garbage can, and the garbage can is larger in volume when being operated again, so that the sewage discharge interval is effectively improved, and the operation efficiency is improved;
(3) the self-adaptation is realized according to the height of the silt in the dustbin to the sewage draining height, and the residual water in the sewage tank is less during the secondary operation, so that the load of the whole vehicle is lower during the operation, and the running energy consumption of the vehicle is effectively reduced.
In a second aspect, the invention provides a washing and sweeping vehicle comprising a waste bin and a waste fitting 1000 as in any one of the embodiments described above, the waste fitting 1000 being mounted on the waste bin.
Since the washing and sweeping vehicle provided by the present invention includes the sewage draining device 1000 in any of the above embodiments, the sewage draining device 1000 has the beneficial effects that the washing and sweeping vehicle provided by the present invention includes.
It should be noted that the words used herein to indicate orientation, such as the top, are set forth in the orientation of fig. 1 for convenience of description only and have no other specific meaning.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and inventive features disclosed herein.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 do not necessarily 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.

Claims (10)

1. A blowdown apparatus, is used in the blowdown of the refuse can, equip with the drain outlet on the tank wall of the said refuse can, characterized by that, the said blowdown apparatus includes all placing in the collapsible waterproof piece and float of the said refuse can;
the foldable waterproof piece is fixed on the box wall in a foldable mode and arranged around the sewage draining outlet, and a water draining notch is formed in the top end of the foldable waterproof piece;
the floater is fixed at the drainage notch of the foldable waterproof piece, and can drive the foldable waterproof piece to be folded or unfolded under the change of the liquid level in the garbage can so as to form the drainage notches with different heights.
2. The waste fitting discharging device as claimed in claim 1, wherein the drainage notch of the collapsible flashing is lower than or flush with the bottom end of the waste outlet when the collapsible flashing is in the unfolded state;
when the foldable waterproof piece is in a folded state, the drainage notch of the foldable waterproof piece is higher than the top end of the sewage draining outlet.
3. The waste fitting discharging device of claim 1, further comprising a stopper seat;
the limiting seat is fixed on the box wall, and the foldable waterproof piece covers the limiting seat and is used for limiting the folding angle of the foldable waterproof piece.
4. The waste fitting discharging device of claim 3, wherein the limiting seat comprises a first limiting plate and a second limiting plate;
the first limiting plate and the second limiting plate are respectively located on two sides of the sewage draining outlet, and are inclined towards the direction close to the tank wall along the direction from the top end of the tank wall to the bottom end of the tank wall.
5. A waste fitting according to claim 3, wherein the collapsible flashing member comprises a flexible connection and a tarpaulin;
the two side edges of the waterproof cloth are fixed on the limiting seat through the first pressing plate;
the bottom edge of the waterproof cloth is fixed on the box wall through a second pressing plate;
one end of the flexible connecting piece is hinged to the bottom end of the limiting seat, the other end of the flexible connecting piece is hinged to the floater, and the floater is fixed to the top end of the waterproof cloth.
6. The waste fitting discharging device as claimed in claim 5, wherein the flexible connecting member is a chain;
the waterproof cloth is canvas.
7. The waste fitting discharging device as claimed in claim 6, further comprising a float pull rod hinged on the chain and used for fixing the float;
and/or
The sewage discharge device further comprises a filter screen, wherein the filter screen is fixed on the box wall and buckled with the foldable waterproof piece.
8. The waste fitting discharging device according to any one of claims 1 to 7, further comprising a waste pipe fixed outside the dustbin;
the inlet of the sewage discharge pipe is communicated with the sewage discharge port and used for discharging sewage.
9. The waste fitting exhaust of claim 8, wherein the waste pipe comprises an elbow and a butterfly valve;
the inlet of the elbow is communicated with the sewage discharge outlet, the outlet of the elbow is used for discharging sewage, and the elbow is arranged in a downward inclination manner along the direction from the inlet to the outlet;
the butterfly valve is installed on the bent pipe and used for controlling the on-off of the bent pipe.
10. A scrubber truck comprising a waste bin and a waste fitting as claimed in any one of claims 1 to 9;
the sewage draining device is arranged on the garbage can.
CN202111620174.4A 2021-12-27 2021-12-27 Sewage discharging device and washing and sweeping vehicle Active CN114232540B (en)

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