CN106759721A - A kind of anti-blockage type toilet vavuum pump and a kind of spherical valve toilet - Google Patents

A kind of anti-blockage type toilet vavuum pump and a kind of spherical valve toilet Download PDF

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Publication number
CN106759721A
CN106759721A CN201710157740.XA CN201710157740A CN106759721A CN 106759721 A CN106759721 A CN 106759721A CN 201710157740 A CN201710157740 A CN 201710157740A CN 106759721 A CN106759721 A CN 106759721A
Authority
CN
China
Prior art keywords
toilet
valves
return valve
check
outlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710157740.XA
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Chinese (zh)
Inventor
胡龙
焦宁磊
侯维平
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Shanghai Environmental Protection Technology Co Ltd Sonning
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Shanghai Environmental Protection Technology Co Ltd Sonning
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Priority to CN201710157740.XA priority Critical patent/CN106759721A/en
Publication of CN106759721A publication Critical patent/CN106759721A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/01Special constructions of flushing devices, e.g. closed flushing system using flushing pumps
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/16Water pressure regulating means in flushing pipes

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Epidemiology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)

Abstract

The present invention relates to a kind of anti-blockage type toilet vavuum pump and a kind of spherical valve toilet, vavuum pump includes airtight box, inlet non-return valve and outlet non-return valve are provided with airtight box, gastight conduit is provided between inlet non-return valve and outlet non-return valve, the inside of gastight conduit is set to airtight space, and ripple piston is provided with airtight space;Inlet non-return valve includes first entrance check-valves and second entrance check-valves, and outlet non-return valve includes first outlet check-valves and second outlet check-valves;First entrance check-valves and second entrance check-valves are set to the structure of series connection, and first outlet check-valves and second outlet check-valves are set to the structure of series connection;Ripple piston is connected with motor, and motor carries out start-up and shut-down control by the negative pressure switch set on airtight box;Its low cost, it is rational in infrastructure, it is easy to maintenance using reliability, it is adaptable to private toilet.

Description

A kind of anti-blockage type toilet vavuum pump and a kind of spherical valve toilet
Technical field
The present invention relates to environmental sanitation technical field, and in particular to a kind of anti-blockage type toilet vavuum pump and a kind of spherical valve horse Bucket.
Background technology
At present, some flows of the people are big, limited space but need to set up the occasion of toilet, generally employ vacuum feces collecting Technology, the technology can preferably solve the problems, such as lavatory Heisui River volume greatly and toilet stink.
Existing communal bathroom is uneven due to user of service's quality, and existing vacuum pump system inherent structure Characteristic, causes the conventional vacuum generating device of in the market expensive, normally only suitable for the large-scale public lavatory that lavatory position is more, i.e., many Individual toilet shares a set of vacuum generating device, if single toilet then involves great expense with single set vacuum generating device, economy Difference;In addition its there is system easily by foreign matter winding, the problem for blocking and causing toilet to disable, cause maintenance workload compared with Greatly, while needing professional to carry out maintenance work, above reason causes conventional vacuum generating means to be not suitable in private context Use.
Publication No. CN106005426A, the Chinese invention patent Shen of entitled " a kind of aircraft is used and takes out toilet vacuum system " A kind of aircraft please be disclose with taking out toilet vacuum system, including:Toilet;Waste water tank, is connected by pipeline with the discharge outlet of toilet; Moisture separator, connects with the delivery port at the top of waste water tank;Vavuum pump, arrival end is connected by pipeline with moisture separator, is gone out Mouth end is by the way that pipeline is through aircraft skin and is in communication with the outside;Control device, predetermined value is more than for the flying height when aircraft When, control vavuum pump is closed, and is otherwise opened;Check valve, arrival end is connected at the pipeline at vacuum pump inlet end by pipeline, is gone out Mouth end is connected at the pipeline at vacuum pump outlet end by pipeline, and check valve is set to be more than predetermined value when the flying height of aircraft Shi Kaiqi.Although it can automatically switch the mode of vacuumizing according to aircraft altitude, it is easily different that it equally exists toilet Thing is blocked and causes toilet to disable, so as to run, safeguard the huge workload of increase, production cost is higher, and is not suitable for The problem that private context uses.
Authorization Notice No. is CN202610929U, and the Chinese utility model of entitled " skyscraper toilet system " is special Profit discloses a kind of skyscraper toilet system, including the vacuum of vavuum pump, vacuum toilet drains house steward, vacuum soil pick-up The vacuum excretion house steward for managing, being connected to vacuum toilet and air valve, the blowoff valve of vacuum dirt sucking tube, are connected to flush toilets water and clear The magnetic valve of water pipe, vacuum toilet push button and magnetic valve are connected with controller, controller also with pressure switch and true Empty pump is connected, and sewage-draining non-return valve is respectively mounted in blowdown main lower end and vacuum pump outlet.Although it can be by whole building Vacuum toilet is connected, and each owner of energy individually controls, but it equally exists toilet and is easily caused to defend by foreign matters from being blocked Disabled between life, so as to run, safeguard the huge workload of increase, production cost is higher, and is not suitable for what is used in private context Problem.
To sum up, it is necessary to a kind of anti-blockage type toilet vavuum pump and a kind of spherical valve toilet, are deposited in the prior art with solution Above mentioned problem.
The content of the invention
It is an object of the invention to provide a kind of anti-blockage type toilet vavuum pump and a kind of spherical valve toilet, it is used to solve now Some toilet vacuum generating devices are easily wound by foreign matter, block and cause toilet to disable, and to operation, safeguard and bring huge work The technical barrier that work is measured, simultaneously because its production cost is relatively low, solution toilet system that can be good is not suitable in individual The problem that occasion is used.
To achieve the above object, one aspect of the present invention provides a kind of anti-blockage type toilet vavuum pump.Specifically, the anti-clogging Formula toilet vavuum pump includes following structure:
A kind of anti-blockage type toilet vavuum pump, including airtight box, are provided with inlet non-return valve and outlet in airtight box Check-valves, is provided with gastight conduit between inlet non-return valve and outlet non-return valve, the inside of gastight conduit is set to airtight space, Ripple piston is provided with airtight space;
Inlet non-return valve includes first entrance check-valves and second entrance check-valves, and outlet non-return valve stops including first outlet Return valve and second outlet check-valves;
First entrance check-valves and second entrance check-valves are set to the structure of series connection, and first outlet check-valves and second goes out Mouth check-valves is set to the structure of series connection;
Ripple piston is connected with motor, and negative pressure switch is provided with airtight box, and motor is opened by negative pressure Put row start-up and shut-down control into.
Alternatively, inlet non-return valve is connected with pumping incoming interface.
Alternatively, outlet non-return valve is connected with pump discharge interface.
Alternatively, negative pressure switch is set to flat-die pressure switch open in usual.
Another aspect of the present invention provides a kind of spherical valve toilet.Specifically, the toilet includes following structure:
A kind of spherical valve toilet, including toilet seat, set on toilet seat just like claim-any one of anti-blockage type Toilet vavuum pump.
Alternatively, toilet is set to vacuum sphere valve type structure;Vacuum sphere valve type structure includes bowl-shape toilet seat, sits An osculum is provided with below closet, a spherical panel, spherical panel and pedal are equipped with below osculum It is connected, steps on pedal, spherical panel is rotated to the position being staggered with osculum, unclamp pedal, spherical panel is rotated to extensive The position that multiple and osculum coincides.
Alternatively, pedal is connected with back-moving spring, steps on pedal, and back-moving spring shrinks, and unclamps pedal, and back-moving spring exists Convergent force effect is lower to be resetted, and drives pedal to reset.
Alternatively, osculum is provided in round.
Alternatively, it is provided with seal washer between osculum and spherical panel.
Alternatively, it is provided with drainage pipeline below spherical panel.
The inventive method has the following advantages that:
Anti-blockage type toilet vavuum pump of the invention and spherical valve toilet, can have pumping work(concurrently while vacuum is produced Can, can largely prevent the winding and blocking of toilet dirt, its low cost is rational in infrastructure, using reliability, operation and It is easy to maintenance, it is particularly suited for the private toilet such as home-use.
Brief description of the drawings
Fig. 1 is the front view of anti-blockage type toilet vavuum pump of the invention.
Fig. 2 is the side view of anti-blockage type toilet vavuum pump of the invention.
Fig. 3 is the A-A faces sectional view of anti-blockage type toilet vavuum pump of the invention.
Fig. 4 is the top view of anti-blockage type toilet vavuum pump of the invention.
In figure, 1 is airtight box, and 2 is ripple piston, and 3 is first entrance check-valves, and 4 is second entrance check-valves, and 5 are First outlet check-valves, 6 is second outlet check-valves, and 7 is motor, and 8 is negative pressure switch, and 9 is pumping incoming interface, and 10 is pump Discharge interface.
Specific embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Embodiment 1
A kind of anti-blockage type toilet vavuum pump, as shown in Figures 1 to 4, including airtight box 1, it is provided with airtight box 1 Inlet non-return valve and outlet non-return valve, are provided with gastight conduit between inlet non-return valve and outlet non-return valve, gastight conduit it is interior Portion is set to airtight space, and ripple piston 2 is provided with airtight space;
Inlet non-return valve includes first entrance check-valves 3 and second entrance check-valves 4, and outlet non-return valve includes first outlet Check-valves 5 and second outlet check-valves 6;
First entrance check-valves 3 and second entrance check-valves 4 are set to the structure of series connection, first outlet check-valves 5 and the Two outlet non-return valves 6 are set to the structure of series connection;
Ripple piston 2 is connected with motor 7, and negative pressure switch 8 is provided with airtight box 1, and motor 7 is by negative Compressing switch 8 carries out start-up and shut-down control.
It can be seen that, the anti-blockage type toilet vavuum pump of the present embodiment is provided with inlet non-return valve, very at the suction inlet of vavuum pump Outlet non-return valve is provided with the outlet of empty pump, ripple piston 2 is arranged on the gas between inlet non-return valve and outlet non-return valve In airtight space inside close pipeline;When ripple piston 2 does contractile motion, the volume increase of airtight space, outlet non-return valve Closed under airflow function, inlet non-return valve is automatically opened up under airflow function, complete gas and Heisui River suction action;Work as ripple When piston 2 does extension motion, the gas of airtight space is compressed, inlet non-return valve closure, and outlet non-return valve is automatically opened up, by gas Gas and Heisui River extrusion airtight space in close space, completes a working cycles.So repeatedly can be by gastight conduit and airtight Heisui River in casing 1 is discharged first, is then discharged out air, before system negative pressure reaches during default negative pressure value, negative pressure switch 8 Action, system is automatically powered off, and the negative pressure in gastight conduit and airtight box 1 can persistently keep vacuum in toilet next time using preceding State;Under vacuum hold mode, since the spherical valve of toilet in the airtight space of vacuum pump outlet check-valves due to several Without air, after spherical valve is opened, because atmospheric pressure and airtight space have huge pressure difference, air moment pours sphere The vacuum pipe of valve bottom, by toilet Heisui River suction inlet check-valves, reaches vacuum and inhales just effect, due on ripple piston 2 The effect of lower motion, Heisui River cannot flow back into inlet non-return valve after being compressed by ripple piston 2, can only be produced by ripple piston 2 Pressure is extruded to outlet non-return valve, so that realize carrying out pumping operation while vacuum is produced, while toilet can be prevented The winding and blocking of dirt, its is rational in infrastructure, using reliability, runs and easy to maintenance, it is adaptable to private toilet.
Embodiment 2
A kind of anti-blockage type toilet vavuum pump, it is similar to Example 1, except that, inlet non-return valve enters to connect with pumping Mouth 9 is connected.
Preferably, outlet non-return valve is connected with pump discharge interface 10.
Embodiment 3
A kind of anti-blockage type toilet vavuum pump, it is similar to Example 2, except that, negative pressure switch 8 is set to open in usual Flat-die pressure switch.
Embodiment 4
A kind of spherical valve toilet, including toilet seat, are provided with such as any one of embodiment 1 to embodiment 3 on toilet seat Anti-blockage type toilet vavuum pump.
Embodiment 5
A kind of spherical valve toilet, it is similar to Example 4, except that, toilet is set to vacuum sphere valve type structure;Very Empty sphere valve type structure includes bowl-shape toilet seat, and an osculum is provided with below toilet seat, coordinates below osculum A spherical panel is provided with, spherical panel is connected with pedal, steps on pedal, spherical panel rotates to osculum and is staggered Position, unclamp pedal, spherical panel is rotated to the position for recovering to coincide with osculum.
Embodiment 6
A kind of spherical valve toilet, it is similar to Example 5, except that, pedal is connected with back-moving spring, steps on and steps on Plate, back-moving spring shrinks, and unclamps pedal, and back-moving spring resets under convergent force effect, drives pedal to reset.
Preferably, osculum is provided in round.
Preferably, it is provided with seal washer between osculum and spherical panel.
Preferably, drainage pipeline is provided with below spherical panel, i.e., spherical panel can be arranged directly on drainage pipeline Apical position at.
Anti-blockage type toilet vavuum pump of the invention, it is simultaneously provided without traditional swinging knot with Heisui River directly contact Structure, can be prevented effectively from winding and block (be applied to by diameter less than 30mm object), system vacuum can -20KPa to - Manually adjusted between 40KPa.Toilet Heisui River pump function is had concurrently while realizing that vacuum is manufactured.The vavuum pump can be real Apart from 15m, height 1.8m is vertically aspirated in Heisui River for existing Heisui River level suction, and Heisui River level is extruded apart from 6m, and height is vertically extruded in Heisui River Degree 1.8m.Main pump body structure is made using highstrenghtpiston, can mass production, cost is relatively low, and whole system is relatively fitted Close private toilet to use, be also applicable in communal bathroom occasion.It specifically has following features:
(1) vavuum pump can be produced and keep vacuum, and ripple piston 2 can be made using plastic material, with vacuum degree Raising, there is certain mechanically deform in itself in ripple piston 2, when vacuum degree brings up to -40KPa, the pumping efficiency of ripple piston 2 Decline, the life-span also occurs and is decreased obviously, while the continuation with vacuum is improved, bring the toilet for being provided with vacuum spherical valve Air suction effect lifting it is unobvious, vacuum is higher, and the working time of vavuum pump is also more long;Further, since vacuum As perfect condition, absolute vacuum can be not reached, so considering factors above, it is preferred that vacuum degree is -20Kpa Between to -40Kpa.The vavuum pump is used cooperatively with the toilet for being provided with vacuum spherical valve, toilet spherical valve after being flushed Spherical panel is closed, make pipeline between the space between toilet and the inlet non-return valve of vavuum pump, i.e. toilet and vavuum pump, with And the airtight box 1 of vavuum pump forms the airtight space with a constant volume;The size of airtight space is inhaled when being equal to closet flushing The air capacity for entering, because after the spherical panel opening of toilet spherical valve, air enters airtight space, the air in airtight space Pressure needs atmospheric pressure to be consistent.The volume of airtight space sets bigger, and the air capacity of suction is bigger, and flush toilets effect is got over It is good, but simultaneously the time needed for its manufacture vacuum also can accordingly extend.
(2) vacuum spherical valve toilet spherical valve in bath is opened, and water-rinsing process lasts about 1 to 2 second, and bath terminates rear horse Bucket spherical valve is closed immediately;Air and toilet Heisui River enter airtight space in water-rinsing process, cause vacuum degree to decline, negative Compress switch 8 detect negative pressure it is not enough when automatic motor 7, ripple piston 2 can be connected with eccentric wheel, motor 7 are done by eccentric wheel drive ripple piston 2 after starting and shrink, extend motion with eccentric wheel phase drive connection, motor 7;When When ripple piston 2 shrinks, the pipeline space increase between inlet non-return valve and outlet non-return valve, outlet non-return valve is made in atmospheric pressure It is automatically switched off under, the air and Heisui River in toilet tube are inhaled into;When ripple piston 2 extends, inlet non-return valve and outlet The pipeline space of check-valves increases diminution, is automatically switched off under inlet non-return valve gas pressure, air and Heisui River quilt in toilet tube Extrusion outlet non-return valve;It should be noted that the Main Function of inlet non-return valve and outlet non-return valve is to ensure that Heisui River and sky Gas can only be moved along preset direction, prevent Heisui River and air blow back.
(3) frequency that ripple piston 2 shrinks, extends motion is 2 times/second, and its material is PP/PE engineering resins, drives electricity The driving moment of machine 7 is 4.5Nm or so, ripple piston 2 compress and stretch change suction check valve and outlet check-valves it Between airtight space volume size;Ripple piston 2 upwards compression motion when suction inlet two check-valves under airflow function from It is dynamic to open, Heisui River and air are sucked, two check-valves of suction inlet are under airflow function when ripple piston 2 extends downwardly motion It is automatically switched off, ripple piston 2 extrudes Heisui River and air by two outlet check-valves;
(4) four check-valves are disposed as elastic EPDM check-valves, and preferable air-tightness can be kept under moisture state, Preferable resistance to deformation rigidity can be kept when being compressed by ripple piston 2;
(5) negative pressure switch 8 uses flat-die pressure switch open in usual, when in toilet, nobody uses, due to closed effect, system Negative pressure is in hold mode all the time, and negative pressure switch 8 is off, and motor 7 is also in off-position.Toilet someone use Afterwards once washing by water, negative pressure state is destroyed, and causes negative pressure switch 8 to be connected, and motor 7 starts to start.As airtight box 1 is negative The raising of pressure degree, negative pressure switch 8 is provided with cut-off diaphragm and spring, and diaphragm moves (moved towards airtight box 1 gradually downward It is dynamic), negative pressure switch 8 applies propulsive thrust using the resistance to compression of spring to cut-off diaphragm, and now negative pressure switch remains in closure State, but the negative pressure of airtight box 1 is when reaching default vacuum, and cut-off diaphragm reaches negative pressure switch trip position, negative pressure switch 8 Then turn off, cut off the power supply of motor 7, toilet system treats bath state, completes one in what vacuum kept immediately Individual working cycles;It should be noted that ripple piston 2 produces negative pressure when shrinking, extrusion effect is produced during extension;
(6) all of mating surface of vacuum pump system uses fluoro-rubber sealing spacer, to keep good watertightness and gas Close property;Airtight box 1 uses glass fibre PP plastic productions, to keep good compressive property;Set on the spring of negative pressure switch 8 Initial tension of spring compression nut is equipped with, by rotating the compression stress of pretightning force nut adjustable springs, to change negative pressure switch 8 Deliberate action negative pressure value.
It should be noted that a kind of anti-blockage type toilet vavuum pump of the invention and a kind of spherical valve toilet, mainly to normal Rule vacuum pump structure has carried out above-mentioned improvement, and other NM function, part and structures when needed, can be used existing Can realize that the part and structure of corresponding function are implemented in technology.
Although the present invention is described in detail above to have used general explanation and specific embodiment, at this On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.

Claims (10)

1. a kind of anti-blockage type toilet vavuum pump, the vavuum pump includes airtight box (1), it is characterised in that airtight box (1) Inlet non-return valve and outlet non-return valve are inside provided with, GT tube is provided between the inlet non-return valve and the outlet non-return valve Road, the inside of the gastight conduit is set to airtight space, and ripple piston (2) is provided with the airtight space;
The inlet non-return valve includes first entrance check-valves (3) and second entrance check-valves (4), and the outlet non-return valve includes First outlet check-valves (5) and second outlet check-valves (6);
First entrance check-valves (3) and second entrance check-valves (4) be set to series connection structure, first outlet check-valves (5) and Second outlet check-valves (6) is set to the structure of series connection;
Ripple piston (2) is connected with motor (7), and negative pressure switch (8), motor (7) are provided with airtight box (1) Start-up and shut-down control is carried out by negative pressure switch (8).
2. anti-blockage type toilet vavuum pump as claimed in claim 1, it is characterised in that the inlet non-return valve enters to connect with pumping Mouth (9) is connected.
3. anti-blockage type toilet vavuum pump as claimed in claim 1, it is characterised in that the outlet non-return valve connects with pump discharge Mouth (10) is connected.
4. the anti-blockage type toilet vavuum pump as any one of claim 1-3, it is characterised in that negative pressure switch (8) sets It is set to flat-die pressure switch open in usual.
5. a kind of spherical valve toilet, described including toilet seat, it is characterised in that is set on the toilet seat just like claim 1- Anti-blockage type toilet vavuum pump any one of 4.
6. spherical valve toilet as claimed in claim 5, it is characterised in that the toilet is set to vacuum sphere valve type structure;
The vacuum sphere valve type structure includes bowl-shape toilet seat, and an osculum, institute are provided with below the toilet seat State and be equipped with below osculum a spherical panel, the spherical panel is connected with pedal, steps on the pedal, institute State spherical panel to rotate to the position being staggered with the osculum, unclamp the pedal, the spherical panel is rotated to recovery The position coincided with the osculum.
7. spherical valve toilet as claimed in claim 6, it is characterised in that the pedal is connected with back-moving spring, steps on institute Pedal is stated, the back-moving spring shrinks, unclamp the pedal, the back-moving spring resets under convergent force effect, drives described Pedal resets.
8. spherical valve toilet as claimed in claim 6, it is characterised in that the osculum is provided in round.
9. spherical valve toilet as claimed in claim 6, it is characterised in that set between the osculum and the spherical panel There is seal washer.
10. the spherical valve toilet as described in claim 6-9, it is characterised in that be provided with draining below the spherical panel Pipeline.
CN201710157740.XA 2017-03-16 2017-03-16 A kind of anti-blockage type toilet vavuum pump and a kind of spherical valve toilet Pending CN106759721A (en)

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CN201710157740.XA CN106759721A (en) 2017-03-16 2017-03-16 A kind of anti-blockage type toilet vavuum pump and a kind of spherical valve toilet

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CN201710157740.XA CN106759721A (en) 2017-03-16 2017-03-16 A kind of anti-blockage type toilet vavuum pump and a kind of spherical valve toilet

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023039269A1 (en) * 2021-09-13 2023-03-16 Milwaukee Electric Tool Corporation Vacuum pump

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2541627Y (en) * 2002-04-08 2003-03-26 宜兴市宙斯泵业有限公司 Improved bellows positive-displacement pump
CN2725393Y (en) * 2004-06-27 2005-09-14 祁建民 New water saving odour preventing flushing toilet
US7207073B1 (en) * 2001-10-18 2007-04-24 The American Team Vacuum assisted toilet
CN101718112A (en) * 2008-10-10 2010-06-02 王振初 Novel water-saving closet
WO2013122307A1 (en) * 2012-02-17 2013-08-22 Lee Hae Ryong Automatic discharge device for vacuum toilet system
CN104594479A (en) * 2013-10-31 2015-05-06 昊头株式会社 Automatic discharging device of vacuum urinal system
CN206737062U (en) * 2017-03-16 2017-12-12 上海泽宁环保科技有限公司 A kind of anti-blockage type closestool vavuum pump and a kind of spherical valve closestool

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7207073B1 (en) * 2001-10-18 2007-04-24 The American Team Vacuum assisted toilet
CN2541627Y (en) * 2002-04-08 2003-03-26 宜兴市宙斯泵业有限公司 Improved bellows positive-displacement pump
CN2725393Y (en) * 2004-06-27 2005-09-14 祁建民 New water saving odour preventing flushing toilet
CN101718112A (en) * 2008-10-10 2010-06-02 王振初 Novel water-saving closet
WO2013122307A1 (en) * 2012-02-17 2013-08-22 Lee Hae Ryong Automatic discharge device for vacuum toilet system
CN104594479A (en) * 2013-10-31 2015-05-06 昊头株式会社 Automatic discharging device of vacuum urinal system
CN206737062U (en) * 2017-03-16 2017-12-12 上海泽宁环保科技有限公司 A kind of anti-blockage type closestool vavuum pump and a kind of spherical valve closestool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023039269A1 (en) * 2021-09-13 2023-03-16 Milwaukee Electric Tool Corporation Vacuum pump

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Application publication date: 20170531

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