CN111687150B - Pull-type black water tank cleaning device and method for motor home - Google Patents
Pull-type black water tank cleaning device and method for motor home Download PDFInfo
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- CN111687150B CN111687150B CN202010395393.6A CN202010395393A CN111687150B CN 111687150 B CN111687150 B CN 111687150B CN 202010395393 A CN202010395393 A CN 202010395393A CN 111687150 B CN111687150 B CN 111687150B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R15/00—Arrangements or adaptations of sanitation devices
- B60R15/04—Toilet facilities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
- B02C2201/063—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for waste water or sewage
Abstract
The invention relates to a cleaning device, in particular to a pull-out type black water tank cleaning device and a cleaning method for a caravan.
Description
Technical Field
The invention relates to a cleaning device, in particular to a cleaning device and a cleaning method for a pull-type black water tank of a motor home.
Background
The black water tank is a general name of a box body for accommodating pollutants, and the black water tank of the motor home is a box body which is specially used for collecting waste water discharged from a closestool in the motor home and is divided into a fixed type and a pull type. On the way of touring car travel, the problem that the accumulated sewage and dirt cannot be discharged to a camp in time often occurs when the black water tank is used as one of essential parts in the touring car, the dirt in the box body adheres to the inner wall of the box body for a long time, the capacity of the box body is reduced, and the potential safety hazard exists when the methane can be generated.
Domestic because car as a house campsite is less, equipment is incomplete, car as a house black water tank adopts pull formula structure mostly, and pull formula black water tank utilizes the degradation agent to wash now, pours into the lavatory, sewer or car as a house campsite deposit sewage department, and the degradation agent who uses now can not degrade the filth completely, can make some dirt remain in black water tank, and is not clear to wash totally, can influence the comfort level of car as a house internal environment for a long time, and degradation agent chemical article wherein have certain influence to the environment. In addition, the black water tank is heavy after being filled with dirt, and if the black water tank is dragged to a toilet to be dumped, certain physical strength is needed, and manpower is wasted.
Disclosure of Invention
In order to solve the problem of dirt residue in a black water tank of a motor home in the prior art, the invention provides a pull-type black water tank cleaning device and a pull-type black water tank cleaning method for the motor home, which can clean dirt in the black water tank of the motor home.
The technical scheme adopted by the invention for solving the technical problems is as follows: a pull-out type black water tank cleaning device for a motor home comprises a cleaning and supplying pile for discharging sewage, cleaning and supplying water and electric energy, a sewage suction device for crushing and collecting sewage in a black water tank, and a cleaning gun for cleaning the inner wall of the black water tank, wherein the cleaning and supplying pile is provided with a faucet, a charging port, a water filling port, a sewage discharging port, a self-absorption sewage discharging pump and a charging device,
the sewage suction device comprises a water inlet hose, a sewage discharge hose and a sewage suction head, wherein one end of the water inlet hose is connected with the water faucet, the other end of the water inlet hose is connected with the sewage suction head, one end of the sewage discharge hose is connected with a sewage discharge outlet, and the other end of the sewage discharge hose is connected with the sewage suction head;
the cleaning gun comprises a spherical nozzle, and the spherical nozzle can move up and down to perform all-dimensional cleaning on the inner wall surface of the box body;
further, the first shape of soil pick-up is lotus root form, and the first afterbody of soil pick-up has the blowdown of being connected with the blowdown hose and connects and the water supply connector of being connected with the water supply hose, and the first whole inner tube and outer tube of including of soil pick-up, inner tube be with the blow off pipe that the blowdown connects the intercommunication, the head outer tube that the blow off pipe accesss to the soil pick-up is the inlet tube that communicates with the water supply connector, the first head of soil pick-up rotate and be connected with the impeller, fixed or integrated into one piece have the doctor-bar on the impeller, the delivery port position of inlet tube is corresponding with the doctor-bar position, the blow off pipe head be fixed with.
Furthermore, the sewage suction device also comprises a connecting end cover fixed on the black water tank dumping pipe, the connecting end cover is provided with a first limiting hole for a water inlet hose to pass through, a second limiting hole for a sewage discharge hose to pass through, and a pressure balancing hole for communicating the inside of the black water tank with the atmosphere, the sewage suction device also comprises a supporting ball, the water inlet hose and the sewage discharge hose are both fixed on the supporting ball, the size of the supporting ball is smaller than or equal to the inner diameter of the dumping pipe of the black water tank, the sewage suction device also comprises a fixed clamping ring, the water inlet hose and the sewage discharge hose are fixed on the fixed clamping ring, the fixed clamping ring is positioned between the supporting ball and the sewage suction head, the water inlet hose is fixed with a first limiting clamping ring and a second limiting clamping ring, the first limiting clamping ring and the second limiting clamping ring are respectively positioned on two sides of the connecting end cover, the sewage discharge hose is fixed with a third limiting clamping ring and a fourth limiting clamping ring, and the third limiting clamping ring and the fourth limiting clamping ring are respectively positioned at two sides of the connecting end cover, and the sewage discharge hose is provided with a section of transparent pipe at the outer side of the black water tank dumping pipe.
Further, the cleaning gun adopts nozzle structure form, and the cleaning gun is including proclaiming oneself mechanism, main valve, switch handle and auxiliary valve, and the cleaning gun is inside to have to rob the inner seal circle, intracavity seal circle on the water hole that begins, the water hose is connected to the water hole, water hose and spherical shower nozzle intercommunication still are equipped with the through-hole on the seal circle, the admission line is worn to be equipped with in the through-hole fit, admission line one end extends to the head of cleaning gun, the admission line other end and the inner chamber intercommunication in washing chamber are equipped with the automatic control membrane on the inner chamber, automatic membrane and proclaiming oneself the mechanism linkage.
Furthermore, be equipped with the telescoping device on the washing rifle, the telescoping device is including fixing the sleeve pipe at the barrel of washing rifle, and the cover intraductal slides and is equipped with the washing pull rod, and spherical shower nozzle sets up the head at the washing pull rod, sleeve pipe and washing pull rod between have the spring.
Further, be fixed with first stopper and second stopper on the pull rod, first stopper and second stopper be located sheathed tube both sides respectively, the pipeline outside of washing rifle head be fixed with taper seal circle, taper seal circle include with first dop of black water tank filth entrance's outer baffle spout complex and second dop.
Furthermore, the cleaning and supplying pile is further provided with a cleaning connection part communicated with the cleaning gun, a first electric control ball valve used for controlling the opening and closing of a water supply pipeline inside the cleaning and supplying pile and a second electric control ball valve used for controlling the opening and closing of a water inlet hose in the cleaning process, the first electric control ball valve and the second electric control ball valve are linked with a charging device, and the cleaning and supplying pile is further provided with a fixed clamping groove used for placing the cleaning gun and a hook used for hanging a dirt suction device.
The cleaning method of the pull-type black water tank cleaning device for the motor home comprises an online sewage discharge mode, wherein the black water tank in the online sewage discharge mode is not required to be taken down from the motor home, and the online sewage discharge mode comprises the following steps:
s11: the black water tank door of the caravan is opened, the black water tank pouring pipe is broken off, the black water tank pouring pipe end cover is taken down, the sewage suction device is taken down from the hook, the sewage suction head enters the black water tank through the black water tank pouring pipe, and the connecting end cover is fixedly connected with the black water tank pouring pipe through threaded fit.
S12: and scanning the two-dimensional code on the electronic display screen of the charging device by using the mobile phone, starting the cleaning and supplying pile, and simultaneously opening the first electric control ball valve.
S13: clicking a sewage discharge icon on an electronic display screen of the charging device, starting the self-suction sewage discharge pump to work, simultaneously opening the second electric control ball valve, discharging high-pressure clear water from a water outlet of the sewage suction head, impacting a scraping blade at the upper end of the impeller, and driving the impeller to rotate, crush and convey the sewage in the black water tank.
S14: and when no water flows, clicking a sewage discharge icon on the electronic display screen of the charging device, stopping the operation of the self-suction sewage discharge pump, and finishing sewage discharge.
S15: screwing down the sewage suction device and putting back the hook, ending the sewage discharge service, covering an end cover of the black water tank pouring pipe, breaking the black water tank pouring pipe back to the original position, closing a black water tank door of the motor home, clicking an ending service icon on an electronic display screen of the charging device, closing the first electric control ball valve, scanning the two-dimensional code, and paying the sewage discharge cost of the black water tank.
Furthermore, the cleaning method also comprises an offline cleaning and sewage discharging mode, wherein in the offline cleaning and sewage discharging mode, the black water tank is taken down from the motor home and placed on the ground, and the offline cleaning and sewage discharging mode comprises the following steps:
s21: and taking the black water tank after sewage drainage and the sewage suction device off the motor home, and placing the black water tank on the ground.
S22: the cleaning gun is taken down from the fixed clamping groove, a dirt inlet above the black water tank is opened, the conical sealing ring of the cleaning gun is placed on the inlet, and the conical sealing ring chuck is matched with an outer baffle sliding groove at the dirt inlet of the black water tank by rotating the cleaning gun body to fix the cleaning gun.
S13: the mobile phone is used for scanning the two-dimensional code on the electronic display screen of the charging device, the cleaning and supplying pile is started, meanwhile, the first electric control ball valve is opened, and water flow is led to the cleaning gun.
S24: the cleaning gun switch is pressed, clean water enters the gun body, water in the cleaning gun enters the spherical spray head through the auxiliary valve and the water delivery hose to clean six inner wall surfaces of the black water tank, and meanwhile, the telescopic device adjusts the position of the spherical spray head by utilizing water pressure, the gravity of the pull rod and spring force to enable the spherical spray head to move up and down to clean the wall surface of the box body.
S25: the liquid level in the black water tank continuously rises in the cleaning process, and when the liquid level is higher than the outlet end face of the air inlet pipeline, the opening of the air inlet pipeline is blocked, and the cleaning gun automatically jumps.
S26: clicking a pollution discharge icon on an electronic display screen of the charging device, and repeating the pollution discharge process from S13 to S14.
S27: and after the sewage discharge is finished, the sewage suction device is disassembled to place the hook back, the cleaning gun is taken out and placed back to the fixed clamping groove, the black water tank is placed back to the recreational vehicle, the black water tank door of the recreational vehicle is closed, the end service icon on the electronic display screen of the charging device is clicked, the first electric control ball valve is closed, and the cost of the black water tank cleaning and sewage discharge service is paid by scanning the two-dimensional code on the electronic display screen of the charging device.
Has the advantages that:
(1) the pull-type black water tank cleaning device for the caravan can not only provide water and electricity supply for the caravan, but also clean dirt in the black water tank in a mechanical mode and discharge the dirt into a sewer connected below a cleaning and supplying pile in place, so that the environmental pollution caused by using a chemical degradation agent is avoided;
(2) the invention is composed of mechanical devices, has good reliability, simple structure and convenient use, and is suitable for motor home camps and high-speed service areas;
(3) in order to satisfy customer's different demands, it washs and blowdown function (black water tank need take off) to have possessed online blowdown function (black water tank need take off from the car as a house and place subaerial) with black water tank under the line two kinds, avoided causing the pollution to the water resource because of using the degradation agent, be applicable to car as a house campsite and fast-speed each service area, so that build the driving experience of more comfortable environmental protection for car as a house driver and crew, its device simple structure, high durability and convenient use.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a pull-out type black water tank cleaning device for a caravan;
FIG. 2 is a schematic view of a structure of a cleaning and replenishing pile;
FIG. 3 is a schematic structural view of a soil pick-up device;
FIG. 4 is a schematic view of a connecting end cap;
FIG. 5 is a schematic view of a soil pick-up head;
FIG. 6 is a schematic view of a cleaning gun;
FIG. 7 is a schematic structural view of a conical sealing ring of the cleaning gun;
FIG. 8 is a flow chart of blowdown and cleaning.
The device comprises a cleaning and replenishing pile 1-1, a faucet 1-2, a charging port 1-3, a water filling port 1-4, a sewage draining port 1-5, a sewage draining pump 1-6, a charging device 1-7, a cleaning joint 1-8a, a first electric control ball valve 1-8b, a second electric control ball valve 1-9, a fixed clamping groove 1-10, a hook 2, a sewage suction device 2-1, a water inlet hose 2-2, a sewage draining hose 2-3, a connecting end cover 2-3-1, a pressure balancing hole 2-3-2, a first limiting hole 2-3-3, a second limiting hole 2-4, a supporting ball 2-5, a sewage suction head 2-5-1, an impeller 2-5-2, a sewage suction head 2-5-2, 2-5-3 parts of scraping piece, 2-5-4 parts of fixed shaft, 2-5-5 parts of blow-off pipe, 2-5-5 parts of blow-off joint, 2-5-6 parts of water inlet joint, 2-5-7 parts of water outlet, 2-6 parts of fixed snap ring, 2-7 parts of transparent pipe, 2-8a parts of first limit snap ring, 2-8b parts of second limit snap ring, 2-8c parts of third limit snap ring, 2-8d parts of fourth limit snap ring, 3 parts of cleaning gun, 3-1 parts of gun inner sealing ring, 3-2 parts of water conveying hose, 3-3 parts of pull rod, 3-4a parts of first limit block, 3-4b parts of second limit block, 3-5 parts of sleeve pipe, 3-6 parts of spherical nozzle, 3-7 parts of air inlet pipeline, 3-8 parts of conical sealing ring, 3-8-1 parts of a first clamping head, 3-8-2 parts of a second clamping head, 3-9 parts of a self-sealing mechanism, 3-10 parts of a main valve, 3-11 parts of a switch handle, 3-12 parts of an auxiliary valve, 5 parts of a black water tank.
Detailed Description
Referring to fig. 1-2, a pull-out type black water tank cleaning device for a motor home comprises a cleaning and replenishing pile 1 for discharging sewage, cleaning and supplying water and electric energy, a sewage suction device 2 for crushing and collecting sewage in a black water tank 5, and a cleaning gun 3 for cleaning the inner wall of the black water tank 5, wherein the cleaning and replenishing pile 1 is provided with a water tap 1-1, a charging port 1-2, a water filling port 1-3, a sewage discharging port 1-4, a self-suction sewage discharging pump 1-5 and a charging device 1-6,
as shown in fig. 3-4, the sewage suction device 2 comprises a water inlet hose 2-1, a sewage discharge hose 2-2 and a sewage suction head 2-5, wherein one end of the water inlet hose 2-1 is connected with a water tap 1-1, the other end of the water inlet hose is connected with the sewage suction head 2-5, one end of the sewage discharge hose 2-2 is connected with a sewage discharge outlet 1-4, and the other end of the sewage discharge hose is connected with the sewage suction head 2-5;
the cleaning gun 3 comprises a spherical nozzle 3-6, and the spherical nozzle 3-6 can move up and down to clean the inner wall surface of the box body in all directions.
As shown in figure 5, the sewage suction head 2-5 is lotus root shaped, the tail part of the sewage suction head 2-5 is provided with a sewage discharge joint 2-5-5 connected with a sewage discharge hose 2-2 and a water inlet joint 2-5-6 connected with a water inlet hose 2-1, the whole sewage suction head 2-5 comprises an inner pipe and an outer pipe, the inner pipe is a sewage discharge pipe 2-5-4 communicated with the sewage discharge joint 2-5-5, the head part of the sewage discharge pipe 2-5-4 leading to the sewage suction head 2-5 is a water inlet pipe communicated with the water inlet joint 2-5-6, the head part of the sewage suction head 2-5 is rotatably connected with an impeller 2-5-1, the impeller 2-5-1 is fixedly or integrally formed with a scraping blade 2-5-2, the water outlet 2-5-7 of the water inlet pipe corresponds to the scraping blade 2-5-2, the head of the sewage discharge pipe 2-5-4 is fixed with a fixed shaft 2-5-3, and the impeller 2-5-1 is rotationally connected with the fixed shaft 2-5-3.
The sewage suction device 2 also comprises a connecting end cover 2-3 fixed on a dumping pipe of the black water tank 5, the connecting end cover 2-3 is provided with a first limit hole 2-3-2 for a water inlet hose 2-1 to pass through, a second limit hole 2-3-3 for the sewage discharge hose 2-2 to pass through, and a balance pressure hole 2-3-1 for communicating the interior of the black water tank 5 with the atmosphere, the sewage suction device 2 also comprises a support ball 2-4, the water inlet hose 2-1 and the sewage discharge hose 2-2 are both fixed on the support ball 2-4, the size of the support ball 2-4 is smaller than or equal to the inner diameter of the dumping pipe of the black water tank 5, the sewage suction device 2 also comprises a fixed clamp ring 2-6, the water inlet hose 2-1 and the sewage discharge hose 2-2 are fixed on the fixed clamp ring 2-6, the fixed snap ring 2-6 is positioned between the support ball 2-4 and the sewage suction head 2-5, the water inlet hose 2-1 is fixedly provided with a first limit snap ring 2-8a and a second limit snap ring 2-8b, the first limit snap ring 2-8a and the second limit snap ring 2-8b are respectively positioned at two sides of the connecting end cover 2-3, the sewage discharge hose 2-2 is fixedly provided with a third limit snap ring 2-8c and a fourth limit snap ring 2-8d, the third limit snap ring 2-8c and the fourth limit snap ring 2-8d are respectively positioned at two sides of the connecting end cover 2-3, and the sewage discharge hose 2-2 is provided with a section of transparent pipe 2-7 at the outer side of the dumping pipe of the black water tank 5.
Referring to fig. 6-7, a cleaning gun 3 is in a structure of an oil gun, the cleaning gun 3 comprises a self-sealing mechanism 3-9 and a main valve 3-10, a switch handle 3-11 and a sub-valve 3-12 are arranged inside the cleaning gun 3, an inner sealing ring 3-1 of the gun is arranged inside the cleaning gun 3, a water hole is formed in the inner sealing ring 3-1 of the gun, the water hole is connected with a water delivery hose 3-2, the water delivery hose 3-2 is communicated with a spherical nozzle 3-6, a through hole is further formed in the sealing ring, an air inlet pipeline 3-7 is arranged in the through hole in a matched mode, one end of the air inlet pipeline 3-7 extends to the head of the cleaning gun 3, the other end of the air inlet pipeline 3-7 is communicated with an inner cavity of a cleaning cavity.
The cleaning gun 3 is provided with a telescopic device, the telescopic device comprises a sleeve 3-5 fixed on a gun barrel of the cleaning gun, a cleaning pull rod 3-3 is arranged in the sleeve 3-5 in a sliding mode, a spherical spray head 3-6 is arranged at the head of the cleaning pull rod 3-3, and a spring 4-2 is arranged between the sleeve 3-5 and the cleaning pull rod 3-3.
A first limiting block 3-4a and a second limiting block 3-4b are fixed on the pull rod 3-3, the first limiting block 3-4a and the second limiting block 3-4b are respectively located on two sides of the sleeve 3-5, a conical sealing ring 3-8 is fixed on the outer side of a pipeline at the head of the cleaning gun 3, and the conical sealing ring 3-8 comprises a first clamping head 3-8-1 and a second clamping head 3-8-2 which are matched with an outer baffle sliding groove at a sewage inlet of the black water tank 5.
The cleaning and replenishing pile 1 is also provided with cleaning joints 1-7 communicated with the cleaning gun 3, a first electric control ball valve 1-8a used for controlling the opening and closing of a water supply pipeline inside the cleaning and replenishing pile 1 and a second electric control ball valve 1-8b used for controlling the opening and closing of a water inlet hose 2-1 in the cleaning process, the first electric control ball valve 1-8a and the second electric control ball valve 1-8b are both linked with a charging device 1-6, and the cleaning and replenishing pile 1 is also provided with fixed clamping grooves 1-9 used for placing the cleaning gun 3 and hooks 1-10 used for hanging a dirt absorbing device 2.
Referring to fig. 8, a cleaning method of the pull-out type black water tank cleaning device for the caravan comprises an online sewage discharging mode, wherein the black water tank 5 in the online sewage discharging mode does not need to be taken down from the caravan, and the online sewage discharging mode comprises the following steps:
s11: and opening the black water tank door of the caravan, breaking off the black water tank pouring pipe, taking down the black water tank pouring pipe end cover, taking down the sewage suction device 2 from the hook 1-10, enabling the sewage suction head 2-5 to enter the black water tank through the black water tank pouring pipe, and connecting the connecting end cover 2-3 with the black water tank pouring pipe through threaded fit.
S12: and scanning the two-dimensional code on the electronic display screen of the charging device 1-6 by using a mobile phone, starting the cleaning and supplying pile 1, and simultaneously opening the first electric control ball valve 1-8 a.
S13: clicking a sewage discharge icon on an electronic display screen of the charging device 1-6, starting the self-priming sewage discharge pump 1-5 to work, simultaneously opening the second electric control ball valve 1-8b, discharging high-pressure clear water from a water outlet 2-5-7 of the sewage suction head 2-5, impacting a scraping blade 2-5-2 at the upper end of the impeller 2-5-1, and driving the impeller to rotate, crush and convey the sewage in the black water tank.
S14: and observing the transparent pipe 2-7, clicking a water inlet stopping icon on an electronic display screen of the charging device 1-5 when the conveyed water flow is clear, closing the second electric control ball valve 1-8b, stopping water inlet of the water inlet hose 2-1, observing the transparent pipe 2-7 again, clicking a sewage discharging icon on the electronic display screen of the charging device 1-6 when no water flow flows, stopping the self-priming sewage discharging pump 1-5, and finishing sewage discharging.
S15: and then selecting whether to clean the inner wall of the black water tank 5, screwing down the sewage suction device 2 and putting back the hook 1-10 to finish the sewage discharging service if the cleaning is not needed, covering an end cover of the black water tank dumping pipe, snapping the black water tank dumping pipe back to the original position, closing a black water tank door of the motor home, clicking a service finishing icon on an electronic display screen of the charging device 1-6 to close the first electronic control ball valve 1-8a, scanning the two-dimensional code, and paying the sewage discharging cost of the black water tank.
If the inner wall of the black water tank needs to be cleaned, the following offline cleaning and pollution discharge mode is carried out.
In the off-line cleaning and sewage discharging mode, the black water tank 5 is taken down from the caravan and placed on the ground, and the off-line cleaning and sewage discharging mode comprises the following steps:
s21: and taking the drained black water tank together with the sewage suction device 2 off the motor home, and placing the black water tank 5 on the ground.
S22: taking down the cleaning gun 3 from the fixed clamping groove 1-9, opening a dirt inlet above the black water tank, placing the conical sealing ring 3-8 of the cleaning gun 3 on the inlet, and rotating the gun body of the cleaning gun 3 to enable the clamping head of the conical sealing ring 3-8 to be matched with the outer baffle sliding groove at the dirt inlet of the black water tank to fix the cleaning gun 3.
S13: and scanning the two-dimensional code on the electronic display screen of the charging device 1-6 by using a mobile phone, starting the cleaning and replenishing pile 1, and simultaneously opening the first electric control ball valve 1-8a to lead water flow to the cleaning gun.
S24: a switch handle 3-11 of a cleaning gun 3 is pressed, clean water enters a gun body, water in the cleaning gun enters a spherical spray head 3-6 through an auxiliary valve 3-12 and a water delivery hose 3-2 to clean six inner wall surfaces of a black water tank, and meanwhile, a telescopic device 3-5 adjusts the position of the spherical spray head 3-6 by utilizing water pressure, the gravity of a pull rod 3-3 and spring force to enable the spherical spray head to move up and down to clean the wall surface of the tank body.
S25: the liquid level in the black water tank continuously rises in the cleaning process, when the liquid level is higher than the outlet end face of the air inlet pipeline 3-7, the opening of the air inlet pipeline 3-7 is blocked, and the cleaning gun 3 automatically jumps.
S26: clicking a pollution discharge icon on the electronic display screen of the charging device 1-6, and repeating the pollution discharge processes from S13 to S14.
S27: and after the sewage discharge is finished, detaching the sewage suction device 2, putting the sewage suction device back to the position 1-10 of the hook, taking out the cleaning gun 3, putting the cleaning gun back to the position 1-9 of the fixed clamping groove, putting the black water tank back to the motor home, closing the black water tank door of the motor home, clicking an end service icon on the electronic display screen of the charging device 1-6, closing the first electric control ball valve 1-8a, and paying the cleaning and sewage discharge service cost of the black water tank by scanning the two-dimensional code on the electronic display screen of the charging device.
The water filling port 1-3 and the sewage draining port 1-4 of the cleaning and supplying pile 1 are provided with threads, so that related pipelines can be assembled and disassembled quickly.
The sewage pump 1-5 is arranged inside the cleaning and supplying pile 1, the sewage inlet of the sewage pump 1-5 is connected with the sewage outlet 1-4 of the cleaning and supplying pile 1 through a pipeline, and the sewage inlet of the sewage pump 1-5 is connected with a sewer through a pipeline.
The charging device 1-6 for cleaning the charging pile 1 adopts timing charging, black water tank pollution discharge and cleaning service and water and electric energy supply are provided for the motor home by scanning the two-dimensional code on the display screen of the charging device 1-6 through the mobile phone, and the two-dimensional code is scanned again after the use to finish the settlement of the related cost.
The connecting end cover 2-3 is connected with the screw thread on the black water tank pouring pipe through the self-provided screw thread, and the pressure balancing hole on the connecting end cover 2-3 ensures that the black water tank can not generate positive pressure and negative pressure in the cleaning and sewage discharging process.
Both ends of the water inlet hose 2-1 and the sewage discharge hose 2-2 are provided with threads, and both ends of the water inlet hose 2-1 are respectively connected with the sewage suction head 2-5 and the water filling port 1-3 on the cleaning and replenishing pile 1; the sewage discharge hose 2-2 consists of three sections, two ends of the sewage discharge hose are respectively connected with the sewage suction head 2-5 and the sewage discharge outlet 1-4, and the middle section of the sewage discharge hose is a transparent pipe 2-7; the transparent pipe 2-7 is positioned at one side of the sewage discharge hose 2-2 outside the black water tank dumping pipe, and both ends of the transparent pipe are provided with threads to be connected with the sewage discharge hose 2-2 for observing the sewage discharge condition when the black water tank 5 discharges sewage.
The water inlet hose 2-1 and the sewage discharge hose 2-2 are both synthetic rubber tubes, the inner rubber is ultra-high molecular weight polyethylene (UHMWPE), the outer rubber is ethylene propylene diene monomer synthetic rubber, and the surfaces of the hoses are corrugated. The hose has good corrosion resistance, aging resistance, weather resistance, ozone resistance, wear resistance and good bending radius, and better flexibility is ensured by the corrugated outer wall.
The supporting ball 2-4 is used for fixing and supporting the sewage discharge hose 2-2 and the water inlet hose 2-1, on one hand, due to the spherical structure, the sewage discharge hose 2-2 and the water inlet hose 2-1 can conveniently enter and exit from the black water tank pouring pipe; on the other hand, when the black water tank 5 discharges sewage, the sewage discharge hose 2-2 and the water inlet hose 2-1 can be supported, and the sewage suction head 2-5 can be prevented from colliding with the inner wall of the black water tank 5.
The sewage suction head 2-5 is connected with a sewage pump 1-5 inside the cleaning and replenishing pile 1 through a pipeline, the sewage suction head 2-5 naturally hangs down at the bottom of the box due to self gravity, the stability of the pipeline in the sewage discharging process is ensured, and the sewage is discharged from the black water tank 5 by the power provided by the sewage pump 1-5.
The sewage suction head 2-5 is lotus root-shaped, so that the sewage suction head can conveniently advance and retreat in the black water tank dumping pipe, the sewage suction head is made of stainless steel materials, the inner part of the sewage suction head is of a sleeve pipe structure, the inner pipe is a sewage discharge pipe 2-5-4, the outer pipe is a water inlet pipe, the bottom of the sewage suction head is provided with an impeller 2-5-1, and when sewage is discharged, the kinetic energy of high-pressure water flow in the outer pipe of the sleeve pipe is utilized to impact a scraping blade 2-5-2 at the upper end of the impeller 2-5-1 to drive the impeller 2-5-; the high-pressure water flow can strengthen the disturbance and circulation at the bottom of the black water tank, prevent dirt from gathering and blocking the dirt suction head 2-5.
The cleaning gun 3 adopts a structure form of an oil gun, when the inner wall is cleaned, the liquid level in the black water tank 5 is continuously raised, when the water level is raised to the inlet of the air inlet pipeline 3-7, the air nozzle is blocked, the self-control film inside the cleaning gun 3 forms negative pressure to drive the self-sealing mechanism 3-9 to move upwards, and the self-sealing mechanism 3-9 drives the main valve 3-10 and the auxiliary valve 3-12 to close, so that automatic gun jumping is realized. The specific structure can refer to a fuel nozzle.
The spray head of the cleaning gun 3 adopts a spherical spray head 3-6, water outlet holes with the same size are uniformly distributed on the spherical surface, and the six wall surfaces of the black water tank 5 can be cleaned in an all-round and dead-angle-free mode.
A spray head of a cleaning gun 3 is connected with a telescopic device, the telescopic device is composed of a pull rod 3-3, a sleeve pipe 3-5 and an upper limiting block and a lower limiting block, a spring is arranged in the sleeve pipe 3-5, the acting force of the spring on the pull rod 3-3 can be upward or downward, in the invention, the acting force of the spring on the pull rod 3-3 can be upward, the movement of the spherical spray head 3-6 is adjusted by utilizing the spring force of the spring and the gravity of the pull rod 3-3, the inner wall of a black water tank 5 can be cleaned by manually controlling the pull rod 3-3 to enable the spherical spray head 3-6 to rapidly move up and down, and a first limiting block 3-4a and a second limiting block 3-4b are respectively arranged above and below the pull rod 3-3 to limit the movement range of the spherical spray head.
The outer wall of a barrel of the cleaning gun 3 is fixed with a conical sealing ring 3-8, two sides of the upper end of the conical sealing ring 3-8 are respectively provided with a first clamping head 3-8-1 and a second clamping head 3-8-2, and the cleaning gun 3 can be fixed by matching the first clamping head 3-8-1 and the second clamping head 3-8-2 with an outer baffle sliding groove at a dirt inlet of a black water tank through rotating a gun body.
As shown in fig. 1, the charging device 1-6 is an electronic display screen, which is installed on the outer surface of the cleaning and supplying pile 1 and is used for displaying and controlling the process, displaying the consumption details and paying the final total cost; the cleaning gun joints 1-7 are connected with the cleaning gun 3 through hoses; the first electric control ball valve 1-8a is linked with the charging device 1-6 and is used for controlling the opening and closing of a water inlet pipeline inside the cleaning and supplying pile, and an internal water channel is communicated with the cleaning gun; the second electric control ball valve 1-8b is linked with the charging device 1-6 and is used for controlling the on-off of the water inlet hose 2-1 in the cleaning process; the fixed clamping grooves 1-9 are used for placing the cleaning gun 3; the hooks 1-10 are used for hanging the sewage suction device 2.
Two ends of the water inlet hose 2-1 are respectively connected with a water inlet hose connector 2-5-6 and a water filling port 1-3 of the cleaning and supplying pile 1; the sewage discharge hose 2-2 is divided into two sections, the middle part of the sewage discharge hose is connected with a transparent pipe 2-7, and the two ends of the sewage discharge hose are respectively connected with a sewage discharge hose joint 2-5-5 and a sewage discharge port 1-4 of the cleaning replenishing pile 1; the length of the section of the water inlet hose 2-1 and the length of the section of the sewage discharge hose 2-2 extending into the black water tank are 35-40 mm, wherein the length of the vertical section of the pipeline is 18-20 mm, and a first limiting snap ring 2-8a, a second limiting snap ring 2-8b, a third limiting snap ring 2-8c and a fourth limiting snap ring 2-8d are arranged on the water inlet hose 2-1 and the sewage discharge hose 2-2 which are connected with the left side and the right side of the end cover 2-3 and are used for axially fixing the water inlet hose 2-1 and the sewage discharge hose 2-2; the diameter of the support is 2-4 mm, the support is 35-45 mm, due to the spherical structure, the water inlet hose 2-1 and the sewage discharge hose 2-2 can conveniently enter and exit from the black water tank dumping pipe, and meanwhile, when the black water tank 5 discharges sewage, the support not only can support the water inlet hose 2-1 and the sewage discharge hose 2-2, but also can prevent the sewage suction head 2-5 from colliding with the inner wall of the black water tank 5; the sewage suction head 2-5 is used for crushing and collecting dirt in the black water tank, and when the sewage suction device 2 is arranged on the black water tank dumping pipe, the distance between the sewage suction head 2-5 and the inner wall surface of the bottom of the black water tank is 40-60 mm; the fixed clamping rings 2-6 prevent pipelines from winding mutually to influence conveying; the transparent pipes 2-7 are used for observing the pollution discharge condition in the black water tank 5 when the black water tank discharges the pollution.
As shown in figure 5, the sewage suction head 2-5 comprises an impeller 2-5-1, a scraping blade 2-5-2, a sewage discharge pipe fixing shaft 2-5-3, a sewage discharge pipe 2-5-4, a sewage discharge hose joint 2-5-5, a water inlet hose joint 2-5-6 and a water outlet 2-5-7; the impeller 2-5-1 is arranged on the fixed shaft 2-5-3 of the sewage discharge pipe, the periphery of the upper end of the impeller 2-5-1 is provided with a scraping blade 2-5-2, when the black water tank discharges sewage, the sewage is discharged from the black water tank 5 through the sewage discharge pipe 2-5-4, the sewage discharge hose joint 2-5 and the sewage discharge hose 2-2, meanwhile, clear water enters the inside of the sewage suction head 2-5 through the water inlet hose joint 2-5-6 and is discharged through the water outlet 2-5-7, so that high-speed water flow impacts the scraping blade 2-5-2 to drive the impeller 2-5-1 to rotate, soft solid matters in the sewage in the black water tank are crushed, and the pipe orifice of the sewage discharge pipe 2-5-4 is prevented from being blocked.
As shown in figure 6, for the structure of a cleaning gun 3, after a cleaning gun switch 3-11 is opened, a self-sealing mechanism 3-9, a main valve 3-10 and an auxiliary valve 3-12 are driven to move, clean water enters a gun body through the main valve 3-10 and enters a spherical nozzle 3-6 through the auxiliary valve 3-12 and a water delivery hose 3-2 to clean six inner wall surfaces of a black water tank 5, a telescopic device is arranged on the cleaning gun 2-5 to adjust the movement of the spherical nozzle 3-6 by utilizing the water pressure, the gravity and the spring force of a pull rod 3-3, the pull rod 3-3 can be manually controlled to rapidly move up and down to clean the wall surface of the black water tank 5, the liquid level in the tank is continuously raised in the cleaning process, the opening 3-7 of an air inlet pipeline is blocked when the horizontal surface is higher than the outlet end surface of the air inlet pipeline 3-7, an automatic control film in the cleaning gun 3 forms negative pressure to drive the self-, thereby driving the main valves 3-10 and the auxiliary valves 3-12 to be closed, and the switch releases the main valves 3-11 to realize automatic gun jump.
It should be understood that the above-described specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Obvious variations or modifications which are within the spirit of the invention are possible within the scope of the invention.
Claims (8)
1. A pull-out type black water tank cleaning device for a motor home is characterized by comprising a cleaning and supplementing pile (1) for discharging sewage, cleaning and supplementing water and electric energy, a sewage suction device (2) for crushing and collecting sewage in the black water tank (5), and a cleaning gun (3) for cleaning the inner wall of the black water tank (5), wherein the cleaning and supplementing pile (1) is provided with a faucet (1-1), a charging port (1-2), a water filling port (1-3), a sewage discharge port (1-4), a self-suction sewage discharge pump (1-5) and a charging device (1-6),
the sewage suction device (2) comprises a water inlet hose (2-1), a sewage discharge hose (2-2) and a sewage suction head (2-5), one end of the water inlet hose (2-1) is connected with the water tap (1-1), the other end of the water inlet hose is connected with the sewage suction head (2-5), one end of the sewage discharge hose (2-2) is connected with a sewage discharge outlet (1-4), and the other end of the sewage discharge hose is connected with the sewage suction head (2-5);
the cleaning gun (3) comprises a spherical spray head (3-6), and the spherical spray head (3-6) can move up and down to clean the inner wall surface of the box body in an all-round way;
the sewage suction head (2-5) is in a lotus root shape, the tail part of the sewage suction head (2-5) is provided with a sewage discharge joint (2-5-5) connected with the sewage discharge hose (2-2) and a water inlet joint (2-5-6) connected with the water inlet hose (2-1), the whole sewage suction head (2-5) comprises an inner pipe and an outer pipe, the inner pipe is a sewage discharge pipe (2-5-4) communicated with the sewage discharge joint (2-5-5), the head outer pipe of the sewage discharge pipe (2-5-4) leading to the sewage suction head (2-5) is a water inlet pipe communicated with the water inlet joint (2-5-6), the head part of the sewage suction head (2-5) is rotationally connected with an impeller (2-5-1), the impeller (2-5-1) is fixedly or integrally formed with a scraper (2-5-2), the position of a water outlet (2-5-7) of the water inlet pipe corresponds to the position of the scraping blade (2-5-2), a fixed shaft (2-5-3) is fixed at the head of the sewage discharge pipe (2-5-4), and the impeller (2-5-1) is rotationally connected to the fixed shaft (2-5-3).
2. The pull type black water tank cleaning device for the motor home as claimed in claim 1, wherein: the sewage suction device (2) further comprises a connecting end cover (2-3) fixed on the dumping pipe of the black water tank (5), the connecting end cover (2-3) is provided with a first limiting hole (2-3-2) for a water inlet hose (2-1) to pass through, a second limiting hole (2-3-3) for a sewage discharge hose (2-2) to pass through, and a balance pressure hole (2-3-1) for communicating the interior of the black water tank (5) with the atmosphere, the sewage suction device (2) further comprises a supporting ball (2-4), the water inlet hose (2-1) and the sewage discharge hose (2-2) are both fixed on the supporting ball (2-4), the size of the supporting ball (2-4) is smaller than or equal to the inner diameter of the dumping pipe of the black water tank (5), and the sewage suction device (2) further comprises a fixing snap ring (2-6), the water inlet hose (2-1) and the sewage discharge hose (2-2) are fixed on a fixed snap ring (2-6), the fixed snap ring (2-6) is positioned between a support ball (2-4) and a sewage suction head (2-5), the water inlet hose (2-1) is fixed with a first limit snap ring (2-8a) and a second limit snap ring (2-8b), the first limit snap ring (2-8a) and the second limit snap ring (2-8b) are respectively positioned at two sides of a connecting end cover (2-3), the sewage discharge hose (2-2) is fixed with a third limit snap ring (2-8c) and a fourth limit snap ring (2-8d), and the third limit snap ring (2-8c) and the fourth limit snap ring (2-8d) are respectively positioned at two sides of the connecting end cover (2-3), the sewage discharge hose (2-2) is provided with a section of transparent pipe (2-7) at the outer side of the dumping pipe of the black water tank (5).
3. The pull type black water tank cleaning device for the motor home as claimed in claim 1, wherein: the cleaning gun (3) adopts a structure form of an oil gun, the cleaning gun (3) comprises a self-sealing mechanism (3-9), a main valve (3-10), a switch handle (3-11) and an auxiliary valve (3-12), an inner sealing ring (3-1) of the cleaning gun (3) is arranged inside, the cleaning gun is characterized in that a water hole is formed in the gun inner sealing ring (3-1) and connected with a water delivery hose (3-2), the water delivery hose (3-2) is communicated with the spherical spray head (3-6), a through hole is formed in the sealing ring, an air inlet pipeline (3-7) is arranged in the through hole in a penetrating mode in a matched mode, one end of the air inlet pipeline (3-7) extends to the head of the cleaning gun (3), the other end of the air inlet pipeline (3-7) is communicated with an inner cavity of the cleaning cavity, a self-control film is arranged on the inner cavity, and the self-control film is linked with the self-sealing mechanism (.
4. The pull type black water tank cleaning device for the motor home as claimed in claim 3, wherein: the cleaning gun (3) is provided with a telescopic device, the telescopic device comprises a sleeve (3-5) fixed on a gun barrel of the cleaning gun (3), a cleaning pull rod (3-3) is arranged in the sleeve (3-5) in a sliding mode, a spherical spray head (3-6) is arranged at the head of the cleaning pull rod (3-3), and a spring (4-2) is arranged between the sleeve (3-5) and the cleaning pull rod (3-3).
5. The pull type black water tank cleaning device for the motor home as claimed in claim 4, wherein: a first limiting block (3-4a) and a second limiting block (3-4b) are fixed on the pull rod (3-3), the first limiting block (3-4a) and the second limiting block (3-4b) are respectively located on two sides of the sleeve (3-5), a tapered sealing ring (3-8) is fixed on the outer side of the pipeline at the head of the cleaning gun (3), and the tapered sealing ring (3-8) comprises a first clamping head (3-8-1) and a second clamping head (3-8-2) which are matched with an outer baffle sliding groove at a sewage inlet of the black water tank (5).
6. The pull type black water tank cleaning device for the motor home as claimed in claim 5, wherein: the cleaning and supplying pile (1) is further provided with a cleaning connection part (1-7) communicated with the cleaning gun (3), a first electric control ball valve (1-8a) used for controlling the opening and closing of a water supply pipeline inside the cleaning and supplying pile (1) and a second electric control ball valve (1-8b) used for controlling the opening and closing of a water inlet hose (2-1) in the cleaning process, the first electric control ball valve (1-8a) and the second electric control ball valve (1-8b) are both linked with a charging device (1-6), and the cleaning and supplying pile (1) is further provided with a fixed clamping groove (1-9) used for placing the cleaning gun (3) and a hook (1-10) used for hanging the dirt absorbing device (2).
7. The cleaning method of the pull-type black water tank cleaning device for the motor home as claimed in claim 6, characterized in that: the on-line sewage draining system comprises an on-line sewage draining mode, wherein a black water tank (5) of the on-line sewage draining mode is not required to be taken down from a motor home, and the on-line sewage draining mode comprises the following steps:
s11: opening a black water tank door of the caravan, breaking off the black water tank pouring pipe, taking down an end cover of the black water tank pouring pipe, taking down the dirt suction device (2) from the hook (1-10), enabling the dirt suction head (2-5) to enter the black water tank through the black water tank pouring pipe, and connecting and fixing the connecting end cover (2-3) with the black water tank pouring pipe through threaded fit;
s12: scanning the two-dimensional code on the electronic display screen of the charging device (1-6) by using a mobile phone, starting the cleaning and supplying pile (1), and simultaneously opening a first electric control ball valve (1-8 a);
s13: clicking a sewage discharge icon on an electronic display screen of the charging device (1-6), starting the self-priming sewage discharge pump (1-5) to work, simultaneously opening a second electric control ball valve (1-8b), discharging high-pressure clear water from a water outlet (2-5-7) of a sewage suction head (2-5), impacting a scraping blade (2-5-2) at the upper end of an impeller (2-5-1) to drive the impeller to rotate, crush and convey sewage in a black water tank;
s14: observing the transparent pipe (2-7), clicking a water inlet stopping icon on an electronic display screen of the charging device (1-5) when the conveyed water flow is clear, closing the second electric control ball valve (1-8b), stopping water inlet of the water inlet hose (2-1), observing the transparent pipe (2-7) again, clicking a sewage discharging icon on the electronic display screen of the charging device (1-6) when no water flow flows, stopping working of the self-suction sewage discharging pump (1-5), and finishing sewage discharging;
s15: screwing down the sewage suction device (2), putting back the hook (1-10), ending the sewage discharging service, covering an end cover of a black water tank pouring pipe, breaking the black water tank pouring pipe back to the original position, closing a black water tank door of the caravan, clicking an ending service icon on an electronic display screen of the charging device (1-6), closing the first electric control ball valve (1-8a), scanning the two-dimensional code, and paying the sewage discharging cost of the black water tank.
8. The cleaning method of the pull-type black water tank cleaning device for the recreational vehicle according to claim 7, characterized in that: still including washing blowdown mode under the line, during washing blowdown mode under the line, black water tank (5) take off from the car as a house and place subaerial, wash blowdown mode under the line includes following step:
s21: taking down the black water tank (5) after sewage drainage and the sewage suction device (2) from the motor home, and placing the black water tank on the ground;
s22: taking down the cleaning gun (3) from the fixed clamping groove (1-9), opening a dirt inlet above the black water tank, placing a conical sealing ring (3-8) of the cleaning gun (3) above the inlet, and fixing the cleaning gun (3) by rotating a gun body of the cleaning gun (3) to enable a chuck of the conical sealing ring (3-8) to be matched with an outer baffle sliding groove at the dirt inlet of the black water tank;
s13: scanning the two-dimensional code on the electronic display screen of the charging device (1-6) by using a mobile phone, starting the cleaning and supplying pile (1), simultaneously opening a first electric control ball valve (1-8a), and leading water flow to a cleaning gun;
s24: a switch handle (3-11) of a cleaning gun (3) is pressed, clear water enters a gun body, water in the cleaning gun enters a spherical spray head (3-6) through an auxiliary valve (3-12) and a water delivery hose (3-2) to clean six inner wall surfaces of a black water tank, and a telescopic device (3-5) adjusts the position of the spherical spray head (3-6) by utilizing water pressure, the gravity of a pull rod (3-3) and spring force to move up and down to clean the wall surface of the tank body;
s25: the liquid level in the black water tank is continuously raised in the cleaning process, when the liquid level is higher than the outlet end face of the air inlet pipeline (3-7), the opening of the air inlet pipeline (3-7) is blocked, and the cleaning gun (3) automatically jumps;
s26: clicking a pollution discharge icon on an electronic display screen of the charging device (1-6), and repeating the pollution discharge process from S13 to S14;
s27: and after the sewage discharge is finished, detaching the sewage suction device (2), placing the sewage suction device back to the hook (1-10), taking out the cleaning gun (3), placing the cleaning gun back to the fixed clamping groove (1-9), placing the black water tank back to the motor home, closing a black water tank door of the motor home, clicking a service ending icon on an electronic display screen of the charging device (1-6), closing the first electric control ball valve (1-8a), and paying the cleaning and sewage discharge service cost of the black water tank by scanning a two-dimensional code on the electronic display screen of the charging device.
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