CN106088270A - The closestool drainage device of a kind of negative pressure assisted drainage and method - Google Patents
The closestool drainage device of a kind of negative pressure assisted drainage and method Download PDFInfo
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- CN106088270A CN106088270A CN201610657697.9A CN201610657697A CN106088270A CN 106088270 A CN106088270 A CN 106088270A CN 201610657697 A CN201610657697 A CN 201610657697A CN 106088270 A CN106088270 A CN 106088270A
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- passage
- drainage
- water
- drainage channel
- negative pressure
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/34—Flushing valves for outlets; Arrangement of outlet valves
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses a kind of closestool drainage device and the method for negative pressure assisted drainage, including valve body and valve seat, valve seat is provided with drainage channel, drainage channel is controlled opening and closing by the isolator being arranged in valve body, the water of drainage channel in flush toilets passage is drained to toilet seat body for rinsing, before draining, in described drainage channel and/or described flush toilets passage, it is provided with prestoring water；During draining, described prestoring water is discharged under gravity and forms negative pressure in flush toilets passage, negative pressure in flush toilets passage forms downward suction force and the water controlling intracavity is quickly flowed out from the lower mouth of a river, thus forming negative pressure controlling intracavity, the suction force that this negative pressure is formed upwards makes isolator move upward and separates with valve seat to open drainage channel；On the one hand, the suction force to isolator is increased so that isolator quickly can float, on the other hand under enough suction force effects or under assosting effect, it is possible to forming more stable vacuum effect, function is more reliable.
Description
Technical field
The present invention relates to drainage arrangement, particularly relate to the closestool drainage device of a kind of negative pressure assisted drainage and correspondence thereof
Method.
Background technology
Existing closestool drainage device the most all includes the drain valve being located in cistern and the flushing connected with drain valve
Passage, irrigation channel is used in the water that drain valve flows out is drained into the pedestal of toilet rinsing described pedestal.In numerous structures
In the drain valve different with operation principle, having the pilot-operated type drain valve of the startup force value that a kind of need are the least, it includes valve body
And valve seat, described valve seat is provided with drainage channel, and drainage channel connects with the irrigation channel in toilet seat body, and described valve body is provided with
The spool of lower activity, and be provided with the isolator at the leukorrhagia mouth of a river below spool, and, be additionally provided with between isolator and valve body with under
The control chamber of mouth of a river connection；During draining, open the described lower mouth of a river by starting spool, make the water of described control intracavity from described
The mouth of a river is flowed out, thus forms negative pressure at described control intracavity, and this negative pressure provides the suction force moved upward, institute for described isolator
State isolator and separate and open described drainage channel with described valve seat under the effect of this suction force.
Owing to needing the suction force produced upwards to promote to mention described isolator, and suction force size is tied by drain valve
Structure, size or the factor such as the speed impact of staff pressing button, control the draining in chamber to produce suction force if only relied on, sometimes
The suction force that may result in is the least or unstable, thus isolator cannot be made to mention or mention and put in place, and causes drain valve
Disabler.
Summary of the invention
The present invention solves the problems referred to above, it is provided that the closestool drainage device of a kind of negative pressure assisted drainage, it is possible to greatly
The size of raising suction force, and ensure the stability of suction effect, the drainage performance of drain valve is more stable.
For achieving the above object, the technical solution used in the present invention is:
The closestool drainage device of a kind of negative pressure assisted drainage, including valve body and valve seat, described valve seat is provided with drainage channel, institute
State the water of drainage channel in flush toilets passage is drained to toilet seat body to rinse toilet pedestal, described flush toilets passage with
Described drainage channel seals connection, is provided with up and down spool, and is provided with the leukorrhagia mouth of a river below spool in described valve body
Isolator, this spool is up and down to control the opening and closing at the described lower mouth of a river, and this isolator is up and down logical to control described draining
The opening and closing in road, is additionally provided with the control chamber connected with the described lower mouth of a river between described valve body with described isolator, this control chamber and horse
Bucket water tank cavity connect and be connected with described drainage channel by the described lower mouth of a river, before draining, described drainage channel and/or
It is provided with prestoring water in described flush toilets passage；During draining, opening the described lower mouth of a river by starting spool, described prestoring water is at weight
Discharging under power effect and form negative pressure in described flush toilets passage, the negative pressure in this flush toilets passage forms downward taking out
Suction makes the water of described control intracavity quickly flow out from the described lower mouth of a river and sequentially enter described drainage channel and flush toilets
In passage, thus form negative pressure at described control intracavity, the negative pressure in this control chamber formed suction force upwards directly make described every
Move upward from device or assist described isolator to move upward, so that described isolator separates with described valve seat thus opens institute
State drainage channel.
Preferably, described drainage channel includes internal drainage passage and outer drainage channel, and it is described that described isolator is provided with sealing
The sealing member of the water intake end of internal drainage passage and outer drainage channel, described sealing member seals described internal drainage passage and outer draining is led to
Described internal drainage passage is made to seal off with described outer drainage channel while the water intake end in road.
Preferably, the lower mouth of a river of described isolator downwardly extends a transition passage, described sealing member include inner seal liner and
Outside seal, described outside seal seals the water intake end of described outer drainage channel, and described inner seal liner is located at described transition passage
Bottom also seals the water intake end of described internal drainage passage, and this inner seal liner makes described transition passage and described internal drainage channel seal
Connection, and make described internal drainage passage seal off with described outer drainage channel.
Preferably, described flush toilets passage is divided into main flushing channel and secondary flushing channel, the water side of described internal drainage passage
Seal with the main flushing channel of toilet and connect；The water side of described outer drainage channel seals with the secondary flushing channel of toilet and connects, wherein,
Described main flushing channel and outside air completely cut off and are used for the jet water supply of below the water seal in toilet seat body, described secondary bath
Road connects with outside air and is used for scrubbing the inwall of toilet pedestal.
Preferably, the water intake end of described internal drainage passage is less than the water intake end of described outer drainage channel, and described outer draining
Passage surrounds the outside being arranged at described internal drainage passage, and the water of described water tank cavity is after the water intake end of described outer drainage channel
A part flows in outer drainage channel, and a part inwardly flows in internal drainage passage via the water intake end of internal drainage passage.
Preferably, described inner seal liner is arranged between the outer wall of described transition passage and described internal drainage vias inner walls.
Preferably, described spool is the lifting of the activate switch linkage in activity is installed in described valve body and with drain valve
Bar, described lifting rod is fixedly installed and seals, with the described lower mouth of a river, the lower watertight seal coordinated, under the drive of described lifting rod is described
Watertight seal opens up the described lower mouth of a river or closes downwards the described lower mouth of a river.
Preferably, described transition passage is divided into two sections, and the transition passage of two sections passes through a corrugated rubber Guan Mi
Envelope connects.
Preferably, described control chamber is connected by an intake tunnel with described water tank cavity, the mistake of described intake tunnel
Flow Velocity is less than the Flow Velocity excessively at the described lower mouth of a river.
It addition, the present invention also provides for the toilet water discharge method of a kind of negative pressure assisted drainage, comprising:
The valve seat of drain valve is provided with drainage channel, makes the water of described drainage channel be drained to horse through flush toilets passage
To rinse toilet pedestal in bucket pedestal, described flush toilets passage seals with described drainage channel and connects；
In the valve body of drain valve, it is provided with up and down spool, below the spool of valve body, is provided with the isolation at the leukorrhagia mouth of a river
Device, by the up and down opening and closing controlling the described lower mouth of a river of spool, controls described draining lead to by isolator is up and down
The opening and closing in road；
Between described valve body with described isolator, be provided with the control chamber connected with the described lower mouth of a river, and by this control chamber with
The water tank cavity connection of toilet, makes this control chamber be connected with described drainage channel by the described lower mouth of a river simultaneously；
Before draining, in described drainage channel and/or described flush toilets passage, it is provided with prestoring water；
During draining, starting spool and open the described lower mouth of a river, described prestoring water is discharged and under gravity at described toilet
Forming negative pressure in irrigation channel, the negative pressure in this flush toilets passage forms downward suction force and makes the water of described control intracavity
Quickly flow out and sequentially enter from the described lower mouth of a river in described drainage channel and flush toilets passage, thus at described control intracavity
Form negative pressure, the negative pressure in this control chamber formed suction force upwards directly make described isolator move upward or assist described every
Move upward from device, so that described isolator separates with described valve seat thus opens described drainage channel.
Preferably, also include:
Described drainage channel is divided into internal drainage passage and outer drainage channel, makes described isolator lead to described internal drainage
The water intake end of road and outer drainage channel seals and coordinates, in entering of internal drainage passage described in described isolator seal and outer drainage channel
Described internal drainage passage is made to seal off with described outer drainage channel while water end (W.E.).
Described flush toilets passage is divided into main flushing channel and secondary flushing channel, by water side and the horse of described internal drainage passage
The main flushing channel of bucket seals connection, and wherein, described main flushing channel and outside air completely cut off and be used for the water seal in toilet seat body
Following jet supplies water；
The secondary flushing channel of the water side of described outer drainage channel and toilet is sealed and connect, wherein, described secondary flushing channel and
Outside air connects and is used for scrubbing the inwall of toilet pedestal.
Preferably, also include:
Downwardly extend a transition passage at the lower mouth of a river of described isolator, the sealing member on isolator include inner seal liner and
Outside seal, makes described outside seal seal the water intake end of described outer drainage channel, makes described inner seal liner be located at described transition
Channel bottom also seals the water intake end of described internal drainage passage, makes described transition passage and described internal drainage by this inner seal liner
Channel seal connects, and makes described internal drainage passage seal off with described outer drainage channel by this inner seal liner.
The invention has the beneficial effects as follows:
(1) present invention is by before draining, is provided with and prestores in described drainage channel and/or described flush toilets passage
Water；Described prestoring water is made to discharge under gravity and in described flush toilets passage by opening the described lower mouth of a river during draining
Form negative pressure, on the one hand, increase the suction force to isolator so that isolator can be under enough suction force effects or auxiliary
Help quickly to float under effect and realize draining；On the other hand, it is possible to form more stable vacuum effect, function is more reliable；
(2) present invention by being divided into internal drainage passage and outer drainage channel by described drainage channel, close on isolator
Make while the water intake end of inside and outside drainage channel described in seals described internal drainage passage and described outer drainage channel seal every
Seal with the main flushing channel of toilet from, the water side of described internal drainage passage and connect, and in this main flushing channel and toilet seat body
Jet connection below water seal, so that winner's flushing channel, internal drainage passage form a negative pressure and produce passage, this negative pressure produces
Passage prestores water when original state, and the draining initial stage forms negative pressure thus provides bigger suction force for isolator so that every
Can float smoothly from device and put in place, function is reliable, stable.
(3) the lower mouth of a river controlling chamber downwardly extends a transition passage connected with internal drainage channel seal, and sealing member includes
Inner seal liner and outside seal, described outside seal seals the water intake end of described outer drainage channel, and described inner seal liner is located at institute
Stating bottom transition passage and seal the water intake end of described internal drainage passage, such structure is particularly suited for inside and outside drainage channel tool
Having in the structure of difference in height, make main flushing channel, internal drainage passage and transition passage form a negative pressure and produce passage, this negative pressure produces
Passage prestores water when original state, and the draining initial stage forms negative pressure thus provides bigger suction force for isolator so that every
Can float smoothly from device and put in place, function is reliable, stable.
(4) bore at the lower mouth of a river of the present invention leads to more than the bore of the water intake end of described internal drainage passage, described transition
The road water intake end internal diameter gradual change from the described lower mouth of a river to described internal drainage passage is little so that overall in horn-like structure, improves
The mobile performance of current, improves the velocity of discharge of prestoring water, it is possible to increase negative pressure and suction force further；
(5) inner seal liner of the present invention be arranged on the outer wall of described transition passage and described internal drainage vias inner walls it
Between, thus the water intake end of described internal drainage passage is formed radial seal, sealing effectiveness is more preferable；
(6) described transition passage is divided into two sections, and the transition passage of two sections is by a corrugated rubber seal of tube even
Connect, it is possible to avoided location so that installing more convenient, sealing effectiveness is more preferable；
(7) described control chamber is connected by an intake tunnel with described water tank cavity, the flow velocity excessively of described intake tunnel
Degree less than the described lower mouth of a river cross Flow Velocity so that during water tank water intake ensure control chamber can normally water-retention, and
Make during tank drains, ensure that controlling chamber can quickly produce negative pressure so that described isolator is formed suction force upwards.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the decomposing schematic representation of the closestool drainage device of the negative pressure assisted drainage of first embodiment of the invention；
Fig. 2 is the valve seat construction figure of the closestool drainage device of the negative pressure assisted drainage of first embodiment of the invention；
Fig. 3 is the sealing state diagram of the closestool drainage device of the negative pressure assisted drainage of first embodiment of the invention；
Fig. 4 is the hull-borne figure of the closestool drainage device of the negative pressure assisted drainage of first embodiment of the invention；
Fig. 5 is the decomposing schematic representation of the closestool drainage device of the negative pressure assisted drainage of second embodiment of the invention；
Fig. 6 is the sealing state diagram of the closestool drainage device of the negative pressure assisted drainage of second embodiment of the invention；
Fig. 7 is the hull-borne figure of the closestool drainage device of the negative pressure assisted drainage of second embodiment of the invention；
Fig. 8 is the overall structure schematic diagram that the closestool drainage device of second embodiment of the invention coordinates with toilet；
Fig. 9 is the sealing state diagram of the closestool drainage device of the negative pressure assisted drainage of third embodiment of the invention；
Figure 10 is the sealing state diagram of the closestool drainage device of the negative pressure assisted drainage of fourth embodiment of the invention.
In figure:
10-valve body；11-spool (lifting rod)；12-controls chamber；13-activate switch
20-valve seat；21-drainage channel；211-internal drainage passage；The outer drainage channel of 212-；22-inner tube；23-dowel
Bar；
30-isolator；The mouth of a river under 31-；32-transition passage；321-corrugated rubber pipe；Watertight seal under 33-；34-is outer close
Sealing；35-inner seal liner；The mono-sealing member of 36-；
40-water tank；41-water tank cavity；
50-toilet pedestal；The main flushing channel of 51-；511-jet；52-pair flushing channel；53-base vivo wall；54-water seal.
Detailed description of the invention
In order to make the technical problem to be solved, technical scheme and beneficial effect clearer, clear, below tie
Close drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
First embodiment (uses the transition passage of split)
As shown in Figures 1 to 4, the closestool drainage device of a kind of negative pressure assisted drainage of the present invention, including valve body 10 and valve
Seat 20, described valve seat 20 is provided with drainage channel 21, and the water of described drainage channel 21 is drained to toilet pedestal through flush toilets passage
To rinse toilet pedestal 50 in 50, described flush toilets passage seals with described drainage channel 21 and connects, and sets in described valve body 10
Having a up and down spool 11, and be provided with the isolator 30 at the leukorrhagia mouth of a river 31 below spool 11, under the present embodiment, the mouth of a river 31 sets
Putting on the diapire of isolator 30, this spool 11 is up and down to control the opening and closing at the described lower mouth of a river 31, this isolator about 30
Movable to control the opening and closing of described drainage channel 21, it is additionally provided with between described valve body 10 and described isolator and the described lower mouth of a river 31
The control chamber 12 of connection, this control chamber 12 is connected with the water tank cavity 41 of toilet and is led to described draining by the described lower mouth of a river 31
Road 21 is connected；Before draining, in described drainage channel 21 and/or described flush toilets passage, it is provided with prestoring water；During draining, pass through
Starting spool 11 and open the described lower mouth of a river 31, described prestoring water is discharged and shape in described flush toilets passage under gravity
Becoming negative pressure, the negative pressure in this flush toilets passage forms downward suction force and makes the water in described control chamber 12 from described lower water
Mouth 31 quickly flows out and sequentially enters in described drainage channel 21 and flush toilets passage, thus is formed in described control chamber 12
Negative pressure, the negative pressure in this control chamber 12 formed suction force upwards directly make described isolator 30 move upward or assist described every
Move upward from device 30, so that described isolator 30 separates with described valve seat 20 thus opens described drainage channel 21.
In the present embodiment, described drainage channel 21 includes internal drainage passage 211 and outer drainage channel 212, described valve seat 20
Drainage channel 21 in be provided with inner tube 22, the inner chamber of said inner tube 22 forms described internal drainage passage 211, outside said inner tube 22
Gap between the inwall of wall and described valve seat 20 forms described outer drainage channel 212, and said inner tube 22 is solid by dowel 23
It is scheduled on the central authorities of described valve seat 20.Further, described control chamber 12 (is not shown in figure by an intake tunnel with described water tank cavity 41
Go out) it is connected, the Flow Velocity excessively of described intake tunnel is less than the Flow Velocity excessively at the described lower mouth of a river 31.So that at water tank water intake
During ensure control chamber 12 can normally water-retention, and make during tank drains ensure control chamber 12 can quickly produce
Negative pressure described isolator 30 to be formed suction force upwards, thus this suction force directly effect under or assosting effect under,
Described isolator 30 fast upward motion is to upper limit position.
Described isolator 30 is provided with the outside seal 34 of the water intake end sealing described outer drainage channel 212, the described lower mouth of a river
31 downwardly extend a transition passage 35, is provided with the water intake end sealing described internal drainage passage 211 bottom described transition passage 32
Inner seal liner 35, this inner seal liner 35 makes described transition passage 32 connect with the sealing of described internal drainage passage 211, and makes described interior
Drainage channel 211 seals off with described outer drainage channel 212, and so, transition passage 35 seals and connected control chamber 12 and interior
Drainage channel 211, thus transition passage 35, internal drainage passage 211 and main flushing channel 51 described later form a negative pressure and produce passage,
This negative pressure produces passage and prestores water when original state, the draining initial stage form negative pressure thus increase the negative pressure that controls in chamber 12 with
Thering is provided bigger suction force for isolator 30 so that isolator 30 can float smoothly and puts in place, function is reliable, stable.
In described drainage channel or described flush toilets passage, it is provided with prestoring water, can have a multiple implementation method, such as,
The method carrying out moisturizing in drainage period terminates backward channel can be used, it would however also be possible to employ before drainage period terminates directly
The method of reserved water in passage；Further, the method preserving described prestoring water in passage, the work by atmospheric pressure can be used
Exert oneself to overcome the self gravitation of prestoring water to be formed and hang water effect, or the mechanical mechanisms such as such as baffle plate can also be used to preserve
Described prestoring water, after cancelling the External Force Acting of mechanical mechanism or after atmospheric pressure generation balance, described prestoring water can be certainly
Discharge flush toilets passage under body action of gravity and in flush toilets passage, form negative pressure.
As shown in Figure 8, in the present embodiment, described flush toilets passage includes main flushing channel 51 and secondary flushing channel 52, uses
Described drainage channel 21 is divided into internal drainage passage 211 and outer drainage channel 212, the water side of described internal drainage passage 211
Seal with the main flushing channel 51 of toilet and connect；The water side of described outer drainage channel 212 seals even with the secondary flushing channel 52 of toilet
Logical, wherein, the jet of water seal less than 54 that described main flushing channel 51 completely cuts off with outside air and is used in toilet pedestal 50
511 supply water, and described secondary flushing channel 52 connects with outside air and is used for scrubbing the inwall 53 of toilet pedestal 50, due to main flushing channel
The outlet of 51 is the jet 511 being positioned at water seal less than 54, and the water inlet of main flushing channel 51 and internal drainage passage 211 and mistake
Cross passage 32 to connect, and transition passage 32 is isolated with external atmosphere pressure under the effect of lower watertight seal 33 described later, therefore, as
Shown in Fig. 3, after drainage period terminates, described transition passage 32 is sealed by lower watertight seal 33, thus at transition passage
32, a negative pressure generation passage, the upper end of this negative pressure generation passage and air are formed between internal drainage passage 211, main flushing channel 51
Pressure isolation, lower end is hung water effect by water seal 54 by atmospheric pressure effect generation, thus at least can be formed pre-in main flushing channel 51
Water, certainly, in order to obtain bigger negative pressure, is preferably such that prestoring water is also filled with internal drainage passage 211 and transition passage 32, this
Invention can make to be full of or base by the negative pressure generation passage formed between transition passage 32, internal drainage passage 211, main flushing channel 51
This full prestoring water.As shown in Figure 4, when starting draining again, open described lower watertight seal 33 by starting spool 11, make
The top and bottom obtaining described negative pressure generation passage are all produced pressure balance by atmospheric pressure effect, so that described prestoring water
Discharge under self gravitation effect and in described negative pressure generation passage, form negative pressure.
In the present embodiment, the water intake end of described internal drainage passage 211 is less than the water intake end of described outer drainage channel 212, and
Described outer drainage channel 212 surrounds the outside being arranged at described internal drainage passage 211, and the water of described water tank cavity 41 is outside described
The water intake end rear portion of drainage channel 212 flows in outer drainage channel 212, and a part is inwardly via internal drainage passage 211
Water intake end flows in internal drainage passage 211.Further, the bore at the described lower mouth of a river 31 more than described internal drainage passage 211 enter water
The bore of end, the water intake end internal diameter gradual change from the described lower mouth of a river 31 to described internal drainage passage 211 of the described transition passage 32 is little, and
In horn-like structure.Wherein, described transition passage 32 is divided into two sections, and the transition passage 32 of two sections is by a ripple rubber
Sebific duct 321 is tightly connected.In the present embodiment, the epimere of the upper end of described corrugated rubber pipe 321 and described transition passage 32 is fixed
It is tightly connected, the lower end of described corrugated rubber pipe 321 and the hypomere fixed seal connection of described transition passage 32, described interior sealing
Part 35 is arranged on the lower end of the hypomere of described transition passage 32, and to carry out end face close with the water intake end of described internal drainage passage 211
Envelope.
In the present embodiment, described spool 11 include activity be installed in described valve body 10 in and with the activate switch 13 of drain valve
The lifting rod 11 of linkage, described lifting rod 11 is fixedly installed and seals the lower watertight seal 33 coordinated, institute with the described lower mouth of a river 31
Stating lifting rod 11 drives described lower watertight seal 33 open up the described lower mouth of a river 31 or close downwards the described lower mouth of a river 31.
Second embodiment (uses integrated transition passage 32)
As shown in Fig. 5 to Fig. 8, with differring primarily in that of first embodiment, transition passage 32 described in the present embodiment is adopted
The most one-body molded with isolator 30 with one-part form, described inner seal liner 35 is set directly at described transition passage 32 times
End, and carry out end face seal with the water intake end of described internal drainage passage 211.Remaining structure and operation principle thereof are (such as Fig. 6 and Fig. 7
Shown in) similar to first embodiment, do not repeat at this.
3rd embodiment (inner seal liner 35 uses radial seal)
As it is shown in figure 9, with the differring primarily in that of first embodiment, transition passage 32 described in the present embodiment uses one section
Formula is the most one-body molded with isolator 30, and described inner seal liner 35 is arranged on the outer wall of described transition passage 32 and described interior row
Between aquaporin 211 inwall, thus the water intake end of described internal drainage passage 211 is formed radial seal.In the present embodiment, described
Inner seal liner 35 uses v-ring, and sealing effectiveness is more preferable, and remaining structure and operation principle thereof are similar to first embodiment,
This does not repeats.
(on isolator 30, only one of which seals internal drainage passage 211 and the list of outer drainage channel 212 to 4th embodiment simultaneously
Sealing member)
As shown in Figure 10, with differring primarily in that of first embodiment, the present embodiment does not sets described transition passage 32, this reality
Executing and also do not set inner seal liner 35 and outside seal 34 on example isolator 30, on the isolator 30 of the present embodiment, only one of which can be simultaneously
Sealing internal drainage passage 211 and single sealing member 36 of outer drainage channel 212, this single sealing member 36 of seals described internal drainage
Make described internal drainage passage 211 close with described outer drainage channel 212 while the water intake end of passage 211 and outer drainage channel 212
Insulate from, negative pressure generation passage is formed by main flushing channel 51 and the internal drainage passage 211 of toilet, compares first embodiment, due to
Without arranging two sealing members, cost is lower.Remaining not described structure is similar to first embodiment with principle, does not goes to live in the household of one's in-laws on getting married at this
State.
In the various embodiments described above, after spool 11 is mentioned and opened the lower mouth of a river 31, spool 11 is also applied with one to isolator 30
Lifting power so that isolator 30 starts to move upward, in this case, the described suction force that the present invention is formed is used as auxiliary force
Move upward in auxiliary isolator 30 and put in place, owing to the suction force formed is sufficiently large, thus also can be greatly reduced carrying of spool 11
Pulling force.Or, it is possible to being designed as draining initial stage spool 11 and lift isolator 30 a small distance only up, spool 11 the most upwards moves
Move upper limit position and do not continue to lift isolator 30, hereafter, the described suction force that isolator 30 is just formed in the present invention
Its upper limit position is continued to move up under effect.So, the lifting power effect being designed with spool 11 can be further ensured that isolation
Device 30 can quickly float up, and has the effect that draining is more stable, but the lifting of isolator 30 is designed and is not necessary to by spool 11
, the described suction force that the present invention is formed can also directly make described isolator 30 move upward to put in place, and without spool 11
Lifting power.
Or, the stress of above-mentioned isolator 30 may be designed in, and during the initial stage, isolator 30 is the suction in described formation
Effect up under the directly driving of power；During the later stage, isolator 30 is also subject to except the driving effect by described suction force
To the auxiliary lifting effect of spool 11, it continues up under the common effect of the auxiliary lifting of described suction force and spool 11
Motion, certainly, same, the later stage that isolator 30 moves upward here also can lift without the auxiliary of spool 11, the most also can
Make isolator 30 float up upper limit position under the direct driving effect of enough suction forces, specifically can carry out as required
Design.
In a word, such scheme is promoted the sufficiently large suction force formed can be to isolation by the negative pressure of flush toilets passage
The floating upward quickly of device 30 plays a role, effective.
Additionally, it is noted that isolator 30 can be i.e. itself has buoyant structure, it is also possible to it is that itself does not has
The structure of standby buoyancy, the isolator 30 of the various embodiments described above is one and has an annular sidewall and diapire sets the isolation at the mouth of a river 31
Ring, himself does not possess buoyancy.Have buoyant structure according to isolator 30 itself, then isolator 30 moves upward is at this
The suction force of invention formation and the common of the buoyancy of himself act on lower realization, the most also can realize the purpose of the present invention.
5th embodiment (negative pressure assisted drainage method)
As shown in Figures 1 to 4, the toilet water discharge method of a kind of negative pressure assisted drainage that the present invention provides, comprising:
The valve seat 20 of drain valve is provided with drainage channel 21, makes the water of described drainage channel 21 draw through flush toilets passage
Flowing to toilet pedestal 50 interior to rinse toilet pedestal 50, described flush toilets passage seals with described drainage channel 21 and connects；
In the valve body 10 of drain valve, it is provided with up and down spool 11, below the spool 11 of valve body 10, is provided with leukorrhagia water
The isolator 30 of mouth 31, by the up and down opening and closing controlling the described lower mouth of a river 31 of spool 11, is lived by isolator about 30
Move the opening and closing controlling described drainage channel 21；
The control chamber 12 connected with the described lower mouth of a river 31 it is provided with between described valve body 10 with described isolator 30, and should
Control chamber 12 to connect with the water tank cavity 41 of toilet, make this control chamber 12 by the described lower mouth of a river 31 and described drainage channel simultaneously
21 are connected；
Before draining, in described drainage channel 21 and/or described flush toilets passage, it is provided with prestoring water；
During draining, starting spool 11 and open the described lower mouth of a river 31, described prestoring water is discharged and under gravity described
Forming negative pressure in flush toilets passage, the negative pressure in this flush toilets passage forms downward suction force and makes described control chamber 12
Interior water quickly flows out from the described lower mouth of a river 31 and sequentially enters in described drainage channel 21 and flush toilets passage, thus in institute
Forming negative pressure in stating control chamber 12, the suction force that the negative pressure in this control chamber 12 is formed upwards directly makes described isolator move upward
Or assist described isolator to move upward, so that described isolator separates with described valve seat thus opens described drainage channel.
The present embodiment, also includes:
Described drainage channel 21 is divided into internal drainage passage 211 and outer drainage channel 212, makes described isolator 30 and institute
The water intake end stating internal drainage passage 211 and outer drainage channel 212 seals cooperation, seals described internal drainage at described isolator 30 and leads to
Described internal drainage passage 211 is made to seal with described outer drainage channel 212 while the water intake end of road 211 and outer drainage channel 212
Isolation.
Described flush toilets passage is divided into main flushing channel 51 and secondary flushing channel 52, by going out of described internal drainage passage 211
Water end (W.E.) seals with the main flushing channel 51 of toilet and connects, and wherein, described main flushing channel 51 completely cuts off with outside air and is used for toilet
The jet 511 of the water seal less than 54 in pedestal 50 supplies water；
The described water side of outer drainage channel 212 is sealed with the secondary flushing channel 52 of toilet and connects, wherein, described secondary bath
Road 52 connects with outside air and is used for scrubbing the inwall 53 of toilet pedestal 50.
Downwardly extend a transition passage 32 at the lower mouth of a river 311 of described isolator 30, make the sealing member on isolator 30 divide
For inner seal liner 35 and outside seal 34, make described outside seal 34 seal the water intake end of described outer drainage channel 212, make described
Inner seal liner 35 is located at bottom described transition passage 32 and seals the water intake end of described internal drainage passage 311, by this interior sealing
Part 35 makes described transition passage 32 connect with the sealing of described internal drainage passage 211, and makes described interior row by this inner seal liner 35
Aquaporin 211 seals off with described outer drainage channel 212.When said method is by making the main flushing channel of toilet 51 start to rinse by
It is pre-stored in the water in main flushing channel 51 (can expire to internal drainage passage 211, even transition passage 32) row when the water prestored is more
The suction function gone out and formed, in isolator 30, increases the suction force to isolator 30 with this so that isolator 30 can be at foot
Under enough suction force effects or its assosting effect has been floated downward to put in place and realized draining, simple in construction, function is reliable.
Or, still an alternative is that, as shown in Figure 10, isolator 30 only arranges one and can seal internal drainage simultaneously
Passage 211 and single sealing member 36 of outer drainage channel 212, this single sealing member 36 of seals described internal drainage passage 211 He
Described internal drainage passage 211 is made to seal off with described outer drainage channel 212 while the water intake end of outer drainage channel 212, negative
The raw passage of Hair Fixer is formed by main flushing channel 51 and the internal drainage passage 211 of toilet, the most also can realize the purpose of the present invention, cost
Lower.
It should be noted that each embodiment in this specification all uses the mode gone forward one by one to describe, each embodiment weight
Point explanation is all the difference with other embodiments, and between each embodiment, identical similar part sees mutually.
For embodiment of the method, due to itself and device embodiment basic simlarity, so describe is fairly simple, relevant part sees
The part of device embodiment illustrates.
Described above illustrate and describes the preferred embodiments of the present invention, as previously mentioned, it should be understood that the present invention not office
Be limited to form disclosed herein, be not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and
Environment, and can be changed by above-mentioned teaching or the technology of association area or knowledge in invention contemplated scope described herein
Dynamic.And the change that those skilled in the art are carried out and change are without departing from the spirit and scope of the present invention, the most all should be appended by the present invention
In scope of the claims.
Claims (12)
1. a closestool drainage device for negative pressure assisted drainage, including valve body and valve seat, described valve seat is provided with drainage channel, described
The water of drainage channel in flush toilets passage is drained to toilet seat body to rinse toilet pedestal, described flush toilets passage and institute
State drainage channel and seal connection, in described valve body, be provided with up and down spool, and be provided with below spool the leukorrhagia mouth of a river every
From device, this spool is up and down to control the opening and closing at the described lower mouth of a river, and this isolator is up and down to control described drainage channel
Opening and closing, it is characterised in that be additionally provided with the control chamber connected with the described lower mouth of a river, this control between described valve body with described isolator
Chamber processed is connected with the water tank cavity of toilet and is connected with described drainage channel by the described lower mouth of a river, before draining, and described draining
It is provided with prestoring water in passage and/or described flush toilets passage；During draining, open the described lower mouth of a river by starting spool, described
Prestoring water is discharged under gravity and forms negative pressure, the negative pressure shape in this flush toilets passage in described flush toilets passage
Downward suction force is become to make the water of described control intracavity quickly flow out from the described lower mouth of a river and sequentially enter described drainage channel
With in flush toilets passage, thus forming negative pressure at described control intracavity, the suction force that the negative pressure in this control chamber is formed upwards is straight
Connect and make described isolator move upward or assist described isolator to move upward, so that described isolator separates with described valve seat
Thus open described drainage channel.
The closestool drainage device of a kind of negative pressure assisted drainage the most according to claim 1, it is characterised in that: described draining is led to
Road includes internal drainage passage and outer drainage channel, and described isolator is provided with and seals entering of described internal drainage passage and outer drainage channel
The sealing member of water end (W.E.), makes described interior row while the water intake end of the described sealing member described internal drainage passage of sealing and outer drainage channel
Aquaporin seals off with described outer drainage channel.
The closestool drainage device of a kind of negative pressure assisted drainage the most according to claim 2, it is characterised in that: described isolator
The lower mouth of a river downwardly extend a transition passage, described sealing member includes inner seal liner and outside seal, and described outside seal seals
The water intake end of described outer drainage channel, described internal drainage passage is located at bottom described transition passage and is sealed to described inner seal liner
Water intake end, this inner seal liner makes described transition passage connect with described internal drainage channel seal, and make described internal drainage passage with
Described outer drainage channel seals off.
The closestool drainage device of a kind of negative pressure assisted drainage the most according to claim 2, it is characterised in that: described toilet rushes
Washing passage and include main flushing channel and secondary flushing channel, the water side of described internal drainage passage seals with the main flushing channel of toilet and connects；
The secondary flushing channel of the water side of described outer drainage channel and toilet seals and connect, wherein, described main flushing channel and outside air every
Jet absolutely and below the water seal in toilet seat body supplies water, and described secondary flushing channel connects with outside air and is used for washing
The inwall of brush toilet pedestal.
5. according to the closestool drainage device of a kind of negative pressure assisted drainage described in claim 3 or 4, it is characterised in that: in described
The water intake end of drainage channel is less than the water intake end of described outer drainage channel, and described outer drainage channel surrounds and is arranged at described interior row
The outside of aquaporin, the water of described water tank cavity flows into outer drainage channel through the water intake end rear portion of described outer drainage channel
In, a part inwardly flows in internal drainage passage via the water intake end of internal drainage passage.
The closestool drainage device of a kind of negative pressure assisted drainage the most according to claim 3, it is characterised in that: described interior sealing
Part is arranged between the outer wall of described transition passage and described internal drainage vias inner walls.
The closestool drainage device of a kind of negative pressure assisted drainage the most according to claim 1, it is characterised in that: described spool is
The lifting rod of the activate switch linkage in activity is installed in described valve body and with drain valve, described lifting rod is fixedly installed and institute
State the lower mouth of a river seal coordinate lower watertight seal, described lifting rod drive described lower watertight seal open up the described lower mouth of a river or
Person closes downwards the described lower mouth of a river.
The closestool drainage device of a kind of negative pressure assisted drainage the most according to claim 3, it is characterised in that: described transition is led to
Road is divided into two sections, and the transition passage of two sections is connected by a corrugated rubber seal of tube.
The closestool drainage device of a kind of negative pressure assisted drainage the most according to claim 1, it is characterised in that: described control chamber
Being connected by an intake tunnel with described water tank cavity, the Flow Velocity of crossing of described intake tunnel flows less than crossing of the described lower mouth of a river
Speed.
10. the toilet water discharge method of a negative pressure assisted drainage, it is characterised in that including:
The valve seat of drain valve is provided with drainage channel, makes the water of described drainage channel be drained to toilet seat through flush toilets passage
Internal to rinse toilet pedestal, described flush toilets passage seals with described drainage channel and connects；
In the valve body of drain valve, it is provided with up and down spool, below the spool of valve body, is provided with the isolator at the leukorrhagia mouth of a river,
By the up and down opening and closing controlling the described lower mouth of a river of spool, control described drainage channel by isolator is up and down
Opening and closing；
The control chamber connected with the described lower mouth of a river it is provided with between described valve body with described isolator, and by this control chamber and toilet
Water tank cavity connection, make this control chamber be connected with described drainage channel by the described lower mouth of a river simultaneously；
Before draining, in described drainage channel and/or described flush toilets passage, it is provided with prestoring water；
During draining, starting spool and open the described lower mouth of a river, described prestoring water is discharged and under gravity in described flush toilets
Forming negative pressure in passage, the negative pressure in this flush toilets passage forms downward suction force and makes the water of described control intracavity from institute
State the lower mouth of a river quickly to flow out and sequentially enter in described drainage channel and flush toilets passage, thus formed at described control intracavity
Negative pressure, the suction force that the negative pressure in this control chamber is formed upwards directly makes described isolator move upward or assists described isolator
Move upward, so that described isolator separates with described valve seat thus opens described drainage channel.
The toilet water discharge method of 11. a kind of negative pressure assisted drainage according to claim 10, it is characterised in that also include:
Described drainage channel is divided into internal drainage passage and outer drainage channel, make described isolator and described internal drainage passage and
The water intake end of outer drainage channel seals and coordinates, at internal drainage passage described in described isolator seal and the water intake end of outer drainage channel
While make described internal drainage passage and described outer drainage channel seal off.
Described flush toilets passage is divided into main flushing channel and secondary flushing channel, by the water side of described internal drainage passage and toilet
Main flushing channel seals connection, and wherein, described main flushing channel and outside air completely cut off and be used for below the water seal in toilet seat body
Jet supply water；
Being sealed with the secondary flushing channel of toilet the water side of described outer drainage channel and connect, wherein, described secondary flushing channel is with extraneous
Air communication is also used for scrubbing the inwall of toilet pedestal.
The toilet water discharge method of 12. a kind of negative pressure assisted drainage according to claim 11, it is characterised in that also include:
Downwardly extending a transition passage at the lower mouth of a river of described isolator, the sealing member on isolator includes inner seal liner and outer close
Sealing, makes described outside seal seal the water intake end of described outer drainage channel, makes described inner seal liner be located at described transition passage
Bottom also seals the water intake end of described internal drainage passage, makes described transition passage and described internal drainage passage by this inner seal liner
Seal connection, and make described internal drainage passage seal off with described outer drainage channel by this inner seal liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657697.9A CN106088270A (en) | 2016-08-11 | 2016-08-11 | The closestool drainage device of a kind of negative pressure assisted drainage and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657697.9A CN106088270A (en) | 2016-08-11 | 2016-08-11 | The closestool drainage device of a kind of negative pressure assisted drainage and method |
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| CN106088270A true CN106088270A (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610657697.9A Pending CN106088270A (en) | 2016-08-11 | 2016-08-11 | The closestool drainage device of a kind of negative pressure assisted drainage and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109881751A (en) * | 2019-04-12 | 2019-06-14 | 九牧厨卫股份有限公司 | A kind of prestoring water closestool |
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