CN101637368A - Waterless closestool - Google Patents

Abstract

The invention discloses a waterless closestool, which comprises a closestool body and a suction device. The closestool body comprises a urinal, a seat board and a cover plate, wherein the cover plateis movably arranged on the urinal; and the seat board is movably arranged between the cover plate and the urinal. The suction device is provided with a suction cavity, wherein one end of the cavity iscommunicated with an exhaust port of the urinal, while the other end is used for connecting an external drain outlet. The suction device in a start-up state is used for closing one end connected withthe external drain outlet, generating negative pressure for sucking contents in the urinal in the suction cavity, and relieving the sealing of the end of the suction cavity connected with the external drain outlet when the negative pressure disappears. The waterless closestool sucks egesta from the urinal and discharge the egesta through the suction cavity by adopting the negative pressure of thesuction device and fluid which flows at high speed; compared with the conventional closestool using water to flush, the waterless closestool only needs little water or even does not need water, thereby saving great amount of water, and generating remarkable economic and social benefit.

Description

Waterless closestool

[technical field]

The present invention relates to a kind of water saving fixtures, relate in particular to a kind of economical toilet.

[background technology]

Along with human urbanization process is more and more faster, natural environment deterioration causes water resource deficient day by day, and a lot of places face the threat of lack of water.And in the city, toilet is as the basic requirement of human survival, bring convenience to life, but simultaneously water resource is brought huge waste, consumption in laundry, have a bath and the water consumption of toilet accounts for more than 3/4ths of the average water consumption of people greatly, though present toilet designs is considered water saving mostly,, toilet still be unable to do without water so integral water-saving effect and not obvious because cleaning.In fact, still there is not effective way really to realize the water saving of toilet.

[summary of the invention]

Main purpose of the present invention is: provide a kind of water-saving result significant toilet.

For achieving the above object, the present invention proposes a kind of waterless closestool, comprises closestool body and sucking-exhausting device; Described closestool body comprises urinal, seat board and cover plate, and described cover plate removable cover is located on the described urinal, and described seat board is movably set between described cover plate and the urinal; Be provided with the suction cavity, the one end communicates with described urinal outlet, and an end is used for joining with outside blow-off pipe; The end that described sucking-exhausting device is used for joining with outside blow-off pipe under starting state seals, in described suction cavity, produce the negative pressure that is used for the suction of urinal content, the end that described suction cavity and outside blow-off pipe join when negative pressure disappears is removed sealing, makes the urinal content be expelled to outside blow-off pipe.

Above-mentioned waterless closestool, described sucking-exhausting device comprises air pump, suction pipe; Described suction pipe has first port and described air pump air entry joins, and has second port and described urinal outlet joins, have be used for joining with blow-off pipe and with the 3rd port of the unidirectional conducting of blow-off pipe; Described air pump is under starting state, and the 3rd port closed forms described suction cavity between described second port, the 3rd port.

Above-mentioned waterless closestool, described sucking-exhausting device also comprises blast pipe, described blast pipe first port and described air pump exhaust outlet join, the 3rd port of second port and described suction pipe joins, and with the unidirectional conducting of the 3rd port.

Above-mentioned waterless closestool, described closestool body also comprise installs the storehouse, joins with the wall body of described urinal; Described sucking-exhausting device is installed in the described installation storehouse.

Above-mentioned waterless closestool also comprises mechanical vibrator, is installed in the described urinal, is used to produce dither cleaning urinal inwall.

Above-mentioned waterless closestool, described seat board lower surface is provided with sealing ring, is used for sealing when described seat board and described cover plate connect the gap between the two; Described cover plate lower surface is provided with sealing ring, is used for sealing when described cover plate and described urinal wall body connect the gap between the two.

Above-mentioned waterless closestool, described suction pipe second port is provided with the urinal baffle plate, and under the off working state, described urinal baffle plate covers this second port; Under the duty, this urinal baffle plate is removed covering this second port.

Above-mentioned waterless closestool, the 3rd port of described suction pipe is provided with the blow-off pipe baffle plate, and under described air pump starting state, described blow-off pipe baffle plate seals the 3rd port of described suction pipe; Under off working state, this blow-off pipe baffle plate is removed the sealing to the 3rd port at described air pump.

Above-mentioned waterless closestool, the 3rd port of described suction pipe is provided with magnetic valve, and under described air pump starting state, described magnetic valve seals the 3rd port of described suction pipe; Under off working state, this magnetic valve is opened at described air pump.

Above-mentioned waterless closestool, described cover plate and seat board are pivotally connected with described urinal respectively; Described closestool body also comprises packaging bag coil rest and line ball bar, and described packaging bag coil rest is arranged at the rotating shaft rear side of described seat board or cover plate, be used to install comprise a plurality of be used to be sheathed on have the packaging bag volume that splits off line between packaging bag on the seat board, each packaging bag; Described line ball bar is arranged at described cover plate lower surface and is positioned at the rotating shaft front side of described cover plate; Described line ball bar is used for when described cover plate is covered the application of force and pulls apart the packaging bag that is sheathed on the described seat board.

Above-mentioned waterless closestool, described sucking-exhausting device also comprises screen pack and dividing plate, described dividing plate is arranged at interval and is located in the described suction pipe, and forms snakelike gas circuit; Described screen pack is interval between described dividing plate and the described air pump air entry.

Above-mentioned waterless closestool, described sucking-exhausting device also comprises circuit board, is electrically connected with described air pump, is used to control described air pump.

Above-mentioned waterless closestool also comprises water tank, is arranged at described closestool body top; Described closestool body is positioned at the urinal upper position and is provided with leaking hole, and described water tank communicates with described leaking hole pipeline.

Above-mentioned waterless closestool also comprises aroma emission device, is installed in the described installation storehouse.

Owing to adopted above scheme, waterless closestool of the present invention, the negative pressure and the swiftly flowing fluid that adopt sucking-exhausting device to produce, inhale excreta from toilet and discharge, come the mode of flush toilet compared to traditional water, only need few water, even do not need water, can save a large amount of waters; Because toilet water consumption proportion in the daily life water is very high, applying of toilet of the present invention both can significantly reduce user's water expense, more can the conserve water resource, produce remarkable social benefit.

Waterless closestool of the present invention is further set up the packaging bag coil rest, is used for installation kit pack volume, pulls out packaging bag during use and is enclosed within on the seat board, disposable use, hygiene; Can pack excreta after the use and discharge, except that need not the water flushing, the disposable use of packaging bag, health easy to use, and can thoroughly guarantee the cleaning of urinal; But packaging bag is made by plastic sheeting or the synthetic material and the paper etc. of environment-protecting asepsis natural decomposition, can rapid and natural degrade, and is free from environmental pollution.

In the waterless closestool of the present invention, further set up mechanical vibrator, this installs by the dither effect, makes the excreta in the urinal break away from the urinal inwall easily; In conjunction with the negative pressure that sucking-exhausting device produces, can make cleaning effect anhydrous or the water saving flushing better.

Negative pressure suction and air blowing mode that the present invention adopts, foul smell is gone out by the moment suction, can not escape into indoorly, has avoided room air pollution.

[description of drawings]

Fig. 1 is the toilet internal structure side generalized section of the embodiment of the invention one;

Fig. 2 is the positive generalized section of the toilet internal structure of embodiment two;

Fig. 3 is the toilet internal structure schematic diagram of embodiment three;

Fig. 4 is Fig. 3 cistern interior structural representation;

Fig. 5 is Fig. 4 cover plate internal structure schematic diagram;

Fig. 6 is the toilet internal structure schematic diagram of embodiment four;

Fig. 7 is the toilet internal structure schematic diagram of embodiment five;

Fig. 8 is the toilet structure cut-away view of embodiment six;

Fig. 9 is the toilet partial schematic diagram of embodiment six.

[specific embodiment]

Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.

Embodiment one

According to shown in Figure 1, on closestool body 5, be fixed with the cover plate 1 and the seat board 3 of movable switch, be provided with the last sealing ring 2 that silica gel is done below its cover plate 1, be provided with lower seal 4 below the seat board 3, after cover plate 1 and seat board 3 are all closed, to the urinal 6 formation sealings of closestool body; Below closestool body 5 back, be provided with blow-off pipe 18, be used for being connected with outdoor blow-off pipe, be integrated with on the closestool body 5 storehouse 11 is installed, be provided with loam cake 9 above it, fixed bolster is provided with the sucking-exhausting device 15 of quieter material in storehouse 11 is installed, and sucking-exhausting device 15 comprises air pump 14, suction pipe, blast pipe, screen pack 12 and dividing plate 13 etc.; Suction pipe has first port and the air pump air entry joins, and has the urinal baffle plate 7 of second port by unidirectional conducting and joins with the urinal outlet, has the 3rd port that is used for joining with blow-off pipe by blow-off pipe baffle plate 17 and the unidirectional conducting of blow-off pipe; Blast pipe first port and air pump exhaust outlet join, and the 3rd port of second port and suction pipe joins, by blow-off pipe baffle plate 17 and with the unidirectional conducting of the 3rd port.Dividing plate 13 is arranged at intervals in the suction pipe, and the opening direction that staggers, and forms snakelike air flue; Screen pack 12 is interval between dividing plate 13 and the air pump air entry.

The air entry of air pump communicates with suction cavity that blow-off pipe baffle plate 17 and urinal baffle plate 7 surround after through screen pack 12 and dividing plate 13 noise reductions; Because all there is flexible connection blow-off pipe baffle plate 17 and urinal baffle plate 7 upper ends, all can before and after free movable, but two baffle plate fronts all have spacing, so can only be to the back activity, this moment is if be subjected to suction function, blow-off pipe baffle plate 17 will seal blow-off pipe 18, unique passage of negative pressure makes urinal baffle plate 7 open to the back, just cover below the air inlet of dividing plate 13, air can pass through, excreta is spaced, before suitable inclined-plane, bottom is drawn onto blow-off pipe baffle plate 17 under suction function, promptly in the suction cavity between suction pipe second port and the 3rd port; Negative pressure disappeared after air pump quit work, and urinal baffle plate 7 is closed, and the barrier foul smell comes out.Blow-off pipe baffle plate 17 is opened, form the passing away of a suction cavity to blow-off pipe, excreta falls into sewage pipe 18 along the inclined-plane, because the exhaust outlet of the air pump of sucking-exhausting device 15 is connected with blow-off pipe 18 by pipeline 16, the air-flow of discharging can impact blow-off pipe 18 inwalls, and the cleaning blow-off pipe is also rushed in excreta in the outdoor blow-off line.Install in the storehouse and also be provided with aroma emission device, this device comprises stingy pump 20 and scent flask 10, and the gas outlet of stingy pump 20 is communicated by the outlet of pipeline 8 with scent flask 10, and air can be taken fragrance out of to indoor when piping 8, beautify the environment.Closestool body 5 usefulness sculpturings or metal material are made, and any surface finish is convenient to cleaning.

When 14 work of the air pump in the sucking-exhausting device 15, produce suction and form negative pressure, when following seat board 3 of lid and cover plate 1, last sealing ring 2 below the cover plate 1 and and seat board 3 below 4 pairs of urinals of lower seal 6 form and seal, 17 sealings of blow-off pipe baffle plate, urinal baffle plate 7 is opened, this moment, urinal 6 was under suction function, excreta in the urinal 6 is blocked by blow-off pipe baffle plate 17 along the inclined-plane slides into blow-off pipe baffle plate 17 under suction before, negative pressure disappears in the urinal 6 when air pump 14 quits work, urinal baffle plate 7 is shut to separate foul smell, excreta squeezes naturally along the inclined-plane and opens blow-off pipe baffle plate 17, fall in the blow-off pipe 18, again in the outer blow-off pipe of inlet chamber, another cleaning model is: open cover plate 1 or cover plate 1 need not cover entirely, being convenient to air enters, air pump 14 work, in a large amount of air inspiration urinals 6, air impacts in urinal 6 passages, cleaned remaining excreta, air is through dividing plate 13, screen pack 12 is discharged from the gas outlet along pipeline 16, rush in the blow-off pipe 18, wash down residual excreta and foul smell because the deadweight of blowdown thing, under the effect on suction and inclined-plane, slide into blow-off pipe baffle plate 17 before, when air pump quits work, excreta is opened at inclined-plane extruding down blow pipe baffle plate 17, and excreta enters in the excretory duct 18, falls into outdoor blow-off pipe again.Available manually to the control of air pump 14, also available circuit plate 22 is controlled the gentle priming of pump of washing time and is closed.Small machine 21 output shafts of installing on pinion and the closestool body 5 are installed on the cover plate 1 are connected, when motor rotates, open or close upper cover plate 1, realize that simple mechanical and circuit controls.

Embodiment two

This example with the main difference part of embodiment one is: cover plate 1 and seat board 3 need not be set up sealing ring, and urinal 6 adopts the metal material manufacturing, on the wall bottom mechanical vibrator 601 are set within it, and this mechanical vibrator adopts the vibration of ultrasonic wave head; After going to toilet, when opening washing capacity, vibration of ultrasonic wave head and air pump 14 are started simultaneously, the vibration of ultrasonic wave head is with the millions of inferior high-frequency vibrations of per second, make the excreta on the urinal 6 separate with the urinal inwall, from cover plate 1 and seat board 3 slits, suck the clean toilet of cleaning behind the flushing toilet bowl again by a large amount of swiftly flowing gases.

Embodiment three

As shown in Figure 2, with the main difference of embodiment one be, this example in loam cake 9 or the urinal wall body set up a packaging bag coil rest, be used for installation kit pack volume 191, the material of packaging bag can adopt the synthetic material or the paper of decomposable plastic sheeting of environmental protection and asepsis environment-protecting, packaging bag is rolled into can be used 200 times, 100 times or the 50 inferior round scrolls that vary in size, be provided with broken line 193 between each packing, cover plate 1 is provided with a line ball bar 23 that protrudes slightly in nearly hinged place, when closing upper cover plate 1, one press and the packaging bag of having used can be pulled apart by broken line 193 places gently.Under packaging bag 192 user modes just like the shape of urinal 6, can put into urinal 6, the packing sack can be enclosed within on the seat board 3, is sitting in comfort and health in the packaging bag 192 when going to toilet, go to toilet and pulled apart by line ball bar 23 in broken line 193 places after upper cover plate 1 is closed in the back, packaging bag 192 promptly falls in the urinal 6.Owing to as urinal shape, can not leak in excreta is contained in the middle of the packaging bag 192, this moment is opening power again, air pump 14 produces negative pressure, to be wrapped in the excremental packaging bag 192 inspiration blow-off pipes 18, discharge by outdoor blow-off line again, fall into decomposition fast naturally contamination-freely behind the septic tank.

Embodiment four

Please in conjunction with Fig. 3, Fig. 4 and shown in Figure 5, be that with the main difference of embodiment two this example adopts low amounts of water and gas to mix the back and cleans toilet.On closestool body 5, be provided with water tank 25, hang case 30 by conduit 162 and at least one and communicate, hang case 30 and can hang over toilet top or outdoor, hanging case 30 has cover plate 29, can easily open and shut, in filter 321 is arranged, conveniently take off and clean or replace, filter 321 adopts active carbons, filtering material such as ceramic microsphere or high molecular synthetic material, the water filtration quality depends on the quality of filtering material and filters the number of plies that filtered recycle-water can be used for having a bath, and also can be used for drinking.The front end of filter 321 has conduit 161 to communicate with at least one water storage box 33, the rear end connects little water pump 31, water is extracted out in the last lattice 301 that flow into extension case 30 after filtering from water storage box 33, hang in the case 30 dividing plate 301 is arranged, filter 322 is arranged on the dividing plate 301, filtering the back once more flows in 30 times lattice 303 of extension case, flow into water tank 25 through conduit 162 again and be used for flush toilet, the conduit 163 that communicates in addition on the conduit 162, can be common to mutually through conduit 163 and washing machine or hand basin or the tap of having a bath wash one's hands and do washing, the (not shown) of having a bath.Hanging case 30 and water storage box 33 can be with transparent plastic also material such as useable glass fiber or metal, transparent observation panel is arranged above, considerable water filtration situation, shape is elegant in appearance, and water storage box 33 can be installed in the bathroom of dwelling house or the suitable position of washing machine, is used to collect water for bathing and other sanitary wastewaters as required, shape can be semicircle, circle, square etc., if can conveniently put into the various geometries of bathtub, the cover plate 34 movable dismountings of water storage box, the convenient casing that cleans; When having a bath, the people can cosily stand on the cover plate 34, have a leaking hole 37 on the cover plate 34 at least through macropore filter 323, foreign material are filtered, allow water flow in the casing, port lid 38 movable connections, block leaking hole 37 on the convenient cap, do not allow water flow into, also be provided with the magnetic material massage point 39 of protrusion on the cover plate 34, arrange by the acupuncture point, after getting in the pin station pin is carried out foot massages; Water storage box also can be made according to the bathtub shape, can put into bath base, and volume is bigger like this, can many recycle-waters, in the water inflow water storage box, flowed port lid 38 on the bonnet when having a bath; Water storage box also can be done a little bit smaller, be fixed in the bathtub, water is just put naturally less when having a bath, and reaches water-saving purpose, use also very comfortable, above can lying or be sitting in, can open port lid 38 earlier after washing, allow water bleed off remaining water for bathing again behind the full water storage box 33 of stream earlier, water storage box 33 bottoms are provided with siphunculus 35 1 end connect boxes, other end connecting duct 161 also has an end that tap 36 is set, and the time spent can not bleed off the water in the casing; When little water pump 31 is worked, by conduit 161, siphunculus 35 sucks the sanitary wastewater of water storage box 33 filter of hanging in the case 30 321, filtering the back flows in the last lattice 301 of hanging case 30, passing through filter 322 again filters in the following lattice 303 of back inflow once more, through conduit 162, flow into again in the water tank 25, conduit 163 communicates with wash one's hands box and washing machine, derive filtered recycle-water and be used for other domestic waters, water tank 25 is provided with the controller (not shown), and each water yield is transferred to about 1/6 of normal water yield, water flows into tank 27, flow in the urinal 6 from leaking hole 28, under suction function, mix the back and clean urinal with air-flow, easily just can urinal 6 is clean towards blotting.

Cleaning model one: close upper cover plate 1, booster air pump 14 in negative pressure state, sucks excreta in the blow-off pipe 17 in the outer blow-off pipe of inlet chamber easily again, and discharging water flows in the water collecting sump 26 again, spreads out of with the water seal foul smell.

Cleaning model two: close upper cover plate 1, discharge water and booster air pump 14 and vibration of ultrasonic wave head 601, in negative pressure state, cooperate dither and small amount of water to be easy to clean up excreta.

Clean mold cleaning formula three: not exclusively close cover plate 1 (being free air-flow to go into) and discharge water and open air pump 14, a large amount of empty G﹠Ws wash together that excreta is easier to be cleaned up.

Cleaning model four: close upper cover plate 1, behind the booster air pump 14, clean by mode 3 again.

Above pattern also can be in conjunction with some matching models, and according to cleaning excremental complexity, available circuit plate 22 comes programme-control, but adopt the automatic program control of selection key or manually control.

The sanitary wastewater that water storage box is collected after filter filtration sterilization, stores in hanging case, and is recycling in flush toilet and other domestic waters, can save household water about 2/3rds.

Embodiment five

As shown in Figure 6: be not both with embodiment three, sucking-exhausting device 15 and blow-off pipe 18 integral installations are in outdoor, and the discharge pipe 24 of its access port and close-stool body 5 joins, and blow-off pipe 18 links to each other with outdoor blow-off pipe again; Like this, indoor do not have air pump noise and a foul smell, replaces screen pack 12 and be positioned at outdoor, much cleaner.

Embodiment six

As shown in Figure 7, this example with the main difference part of embodiment three is: blow-off pipe baffle plate 17 usefulness motors or magnetic valve 172 are controlled and are closed or close, urinal baffle plate 7 usefulness spring return devices 71 control and cut out, when starting, air pump 14 produces negative pressure, the urinal baffle plate is opened, negative pressure disappears and closes automatically, cover plate 1 is also opened or is closed with the control of spring return device, (spring return device is a kind of spring hinge, can buy on the market), solenoid operated four-way valve 164 can be controlled the pass of each passage or close, one tunnel ends of solenoid operated four-way valve 164 communicates with the air pump exhaust outlet of sucking-exhausting device 15, and a tunnel ends communicates with blow-off pipe 18 by conduit 161, makes things convenient for high-speed gas to rinse blow-off pipe 18, also have two tunnel ends respectively by conduit 162 with 163 be connected communicating of leaking hole 28, water or gas respectively or mix to use by ejiction opening 165 and 166 and spray strongly from two different directions clean excreta, because fluid bumps against from two different directions, then whirlpool be can produce, thereby bigger suction and cleansing power produced.

Embodiment seven

Please in conjunction with Fig. 4, Fig. 8 and shown in Figure 9, this example with the main difference part of embodiment three is: closestool body 5 is fixed on the wall 1, closestool body 5 upper left sides have tank 27 to communicate with extension case 30 and water storage box 33 by conduit 16, water storage box 33 is provided with leaking hole 37, by the conduit (not shown) that communicates with the hand basin drainpipe, waste water after washing one's hands is recovered in the water storage box 33, supplies with at least one extension case 30 and use after filtering.This example can be applicable to public urinal.

After going to toilet, excreta flows into outdoor blow-off pipe through outlet 504, start water outflow and air pump 14 work (also can manually boot) by infrared automatic control this moment, water flows into outlet 504 from leaking hole 28 along shell 502, on shell 502, be provided with introducing port 506, be fluid passage 501 between shell 502 and the inner casing 503, communicate with air pump 14 through tube connector 505, after this moment, the air-flow of high-speed motions drove the current mixing in a large number, there is stronger cleansing power to suck in the fluid passage 501 from introducing port 506, clean urinal 6 together more neatly with the fluid of outlet 504, sewage flows in the outdoor blow-off pipe from blow-off pipe 24 and discharges, air 151 is discharged from the gas outlet, as when not having water, swiftly flowing fluid also can clean up urinal.

Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.Such as, can realize control automatically by adopting limit switch or optoelectronic switch etc., when detecting cover plate and be covered, booster air pump washes urinal automatically.

Claims (10)

1. a waterless closestool comprises closestool body and sucking-exhausting device; Described closestool body comprises urinal, seat board and cover plate, and described cover plate removable cover is located on the described urinal, and described seat board is movably set between described cover plate and the urinal; Described sucking-exhausting device is provided with the suction cavity, and the one end communicates with described urinal outlet, and an end is used for joining with outside blow-off pipe; The end that described sucking-exhausting device is used for joining with outside blow-off pipe under starting state seals, and produces the negative pressure that is used for the suction of urinal content in described suction cavity, and the end that described suction cavity and outside blow-off pipe join when negative pressure disappears is removed sealing.

2. waterless closestool as claimed in claim 1 is characterized in that: described sucking-exhausting device comprises air pump, suction pipe; Described suction pipe has first port and described air pump air entry joins, and has second port and described urinal outlet joins, have be used for joining with blow-off pipe and with the 3rd port of the unidirectional conducting of blow-off pipe; Described air pump is under starting state, and the 3rd port closed forms described suction cavity between described second port, the 3rd port.

3. waterless closestool as claimed in claim 2, it is characterized in that: described sucking-exhausting device also comprises blast pipe, described blast pipe first port and described air pump exhaust outlet join, and the 3rd port of second port and described suction pipe joins, and with the unidirectional conducting of the 3rd port.

4. waterless closestool as claimed in claim 3 is characterized in that: described closestool body also comprises installs the storehouse, joins with the wall body of described urinal; Described sucking-exhausting device is installed in the described installation storehouse.

5. as each described waterless closestool of claim 2-4, it is characterized in that: also comprise mechanical vibrator, be installed in the described urinal, be used to produce dither cleaning urinal inwall.

6. as claim 2 or 3 described waterless closestools, it is characterized in that: described seat board lower surface is provided with sealing ring, is used for sealing when described seat board and described cover plate connect the gap between the two; Described cover plate lower surface is provided with sealing ring, is used for sealing when described cover plate and described urinal wall body connect the gap between the two.

7. as claim 3 or 4 described waterless closestools, it is characterized in that: described suction pipe second port is provided with the urinal baffle plate, and under the off working state, described urinal baffle plate covers this second port; Under the duty, this urinal baffle plate is removed covering this second port.

8. as each described waterless closestool of claim 2-4, it is characterized in that: the 3rd port of described suction pipe is provided with blow-off pipe baffle plate magnetic valve, and under described air pump starting state, described blow-off pipe baffle plate or magnetic valve seal the 3rd port of described suction pipe; Under off working state, this blow-off pipe baffle plate or magnetic valve are removed the sealing to the 3rd port at described air pump.

9. as each described waterless closestool of claim 2-4, it is characterized in that: described cover plate and seat board are pivotally connected with described urinal respectively; Described closestool body also comprises packaging bag coil rest and line ball bar, and described packaging bag coil rest is arranged at the rotating shaft rear side of described seat board or cover plate, be used to install comprise a plurality of be used to be sheathed on have the packaging bag volume that splits off line between packaging bag on the seat board, each packaging bag; Described line ball bar is arranged at described cover plate lower surface and is positioned at the rotating shaft front side of described cover plate; Described line ball bar is used for when described cover plate is covered the application of force and pulls apart the packaging bag that is sheathed on the described seat board.

10. as each described waterless closestool of claim 2-4, it is characterized in that: also comprise water tank, be arranged at described closestool body top; Described closestool body is positioned at the urinal upper position and is provided with leaking hole, and described water tank communicates with described leaking hole pipeline.

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