CN109973697A - Passive Schmidt's vacuum sewerage valve - Google Patents
Passive Schmidt's vacuum sewerage valve Download PDFInfo
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- CN109973697A CN109973697A CN201910201918.5A CN201910201918A CN109973697A CN 109973697 A CN109973697 A CN 109973697A CN 201910201918 A CN201910201918 A CN 201910201918A CN 109973697 A CN109973697 A CN 109973697A
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- Prior art keywords
- valve
- weight
- schmidt
- vacuum
- cam
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K21/00—Fluid-delivery valves, e.g. self-closing valves
- F16K21/04—Self-closing valves, i.e. closing automatically after operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
- F16K31/24—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
- F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
- F16K31/52416—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve comprising a multiple-way lift valve
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/04—Level control, e.g. controlling quantity of material stored in vessel with auxiliary non-electric power
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The present invention provides a kind of passive Schmidt's vacuum sewerage valves, it include: vacuum sewerage valve, it is provided with an input terminal and an output end and is connected to by the sewage pipe in the vacuum sewerage valve, sewage is extracted from cesspool and entered the input terminal, is discharged by the sewage pipe from the output end by the vacuum sewerage valve；Two-position three way vacuum air valve, for controlling the air pressure inside state of the vacuum sewerage valve, to open or close the sewage pipe；Schmidt's pilot-controlled switch, a portion is arranged in the cesspool, Schmidt's pilot-controlled switch is connect with the two-position three way vacuum air valve, can be according to the liquid level situation in the cesspool, and switch the two-position three way vacuum air valve opens or closes state.The present invention is controlled without energy such as inputing powers, smart structural design, is connected compact between module, cheap, high reliablity can use under the complex environments such as humidity.
Description
Technical field
The present invention relates to vacuum exhaust system technical field, in particular to a kind of passive Schmidt's vacuum sewerage valve.
Background technique
China is the country that a water resource lacks, and along with the increase of population, the development of industrial and agricultural production and the people are raw
The flat raising of running water, the environmental consciousness of people gradually increase, and the common people have been fully recognized that the shortage of water resource, thus to life
The processing pay attention to day by day of sewage.During handling sewage, need extracting sewage using a kind of blowdown valve for extracting sewage
The height of liquid level in cesspool is controlled in the process.And existing blowdown valve, sensor and electric-controlled switch is usually used to control
Sewage extracts and row leads process, due to humid environment, severe operational environment, if blowdown valve passes through automatically controlled mode of operation tune
Section can usually make its electric-controlled switch dampness, leak electricity and cause to fail.Therefore, it is good to design a kind of air-proof condition, it can be multiple in humidity etc.
Used in heterocycle border, the blowdown valve that does not need the inputs such as electric energy or chemical energy and can work is necessary.This hair
It is bright to be intended to design a kind of passive Schmidt's vacuum sewerage valve with above-mentioned advantage, it is mainly used for municipal engineering water drainage, life dirt
Water, hypogee percolating water vacuum collecting row such as lead at the projects, have high reliablity, energy conservation and the advantages such as operating expenses is low.
Summary of the invention
The present invention provides a kind of passive Schmidt's vacuum sewerage valves, and its purpose is to solve traditional blowdown apparatus knot
Structure is more complex, need to be controlled by the input of the energy such as electric energy, and reliability is not high, simultaneously when using in the complex environments such as humidity
And it consumes energy and the higher problem of operating expenses.
In order to achieve the above object, the present invention provides a kind of passive Schmidt's vacuum sewerage valves, comprising:
Vacuum sewerage valve, is provided with an input terminal and an output end on the vacuum sewerage valve, the input terminal and described
Output end passes through the sewage pipe connection being arranged in the vacuum sewerage valve, and the vacuum sewerage valve is used for will from a cesspool
Sewage is extracted to the vacuum sewerage valve, is entered from the input terminal, is discharged by the sewage pipe and from the output end；
The first end of two-position three way vacuum air valve, the two-position three way vacuum air valve is provided with an air inlet, and second end is set
It is equipped with a gas outlet, third end is provided with a gas returning port, and the two-position three way vacuum air valve is for controlling the vacuum sewerage valve
Air pressure inside state, to open or close the sewage pipe；
A portion of Schmidt's pilot-controlled switch, Schmidt's pilot-controlled switch is arranged in the cesspool, described
Schmidt's pilot-controlled switch is connect with the two-position three way vacuum air valve, and Schmidt's pilot-controlled switch is according in the cesspool
Liquid level situation, to switch the connected state of the two-position three way vacuum air valve.
Wherein, a blowdown chamber is provided in the vacuum sewerage valve, the bottom of the blowdown chamber is provided with a ventilation end, institute
It states sewage pipe to be arranged in the blowdown chamber, the sewage pipe is elastic hose, and middle part is provided with a communicating valve, the communicating valve
It is used to open or closes the sewage pipe.
Wherein, the communicating valve is fixedly connected with the first end of a spring arrangement, and the second end of the spring arrangement is fixed
It is arranged on the inner sidewall of the vacuum sewerage valve.
Wherein, the input terminal of the vacuum sewerage valve connects a drinking-water pipe, and the output end and the air inlet pass through gas
Pipe connection, the ventilation end is connected to by tracheae with the gas outlet and is provided with a throttle valve on tracheae.
Wherein, the two-position three way vacuum air valve includes a valve body, is provided with a venting cavity, the ventilation in the valve body
An intake valve port, an outlet valve port and a return-air valve port are provided on chamber, the intake valve port is connected to the air inlet, described
Outlet valve port is connected to the gas outlet, and the return-air valve port is connected to the gas returning port, and the gas returning port is arranged in the external world
In atmospheric environment；A spool is provided in the venting cavity, the spool is used to blocking and being formed and only had the return-air valve port
The first connected state that the air inlet is connected to the gas outlet, and the intake valve port is blocked and is formed only described
The second connected state that gas outlet is connected to the gas returning port；The bottom end of the spool is fixedly installed one first guide rod, institute
The bottom end for stating the first guide rod passes through the return-air valve port and connect with Schmidt's pilot-controlled switch.
Wherein, Schmidt's pilot-controlled switch includes: lever and cam switching device, and the of the lever and cam switching device
One end is connect with the bottom end of first guide rod, and the lever and cam switching device is used to drive first guide rod, with
Switch the connected state of the two-position three way vacuum air valve；Weight release device, the weight release device is for promoting setting
The height of a weight body in Schmidt's pilot-controlled switch, and discharged from the top of the weight release device, it will be described
The gravitional force of weight body is converted to kinetic energy, to drive the lever and cam switching device；Weight falls chamber, and the weight falls
The first side of the weight release device is arranged in chamber, connect with the weight release device, the lever and cam switching device
Second end be extended on the weight and fall intracavitary, the weight falls chamber for connecting the weight release device and institute
Lever and cam switching device is stated, and the channel of the weight body tenesmus acting is provided；Buoyancy transfer device, the buoyancy transmitting dress
It installs in the bottom end of the weight release device, the buoyancy transfer device is used for floating to weight release device transmitting
Power controls the motion state of the weight release device.
Wherein, the lever and cam switching device includes cam fixing body, is provided with a rotation on the cam fixing body
Axis is rotatably provided with a lever and cam in the rotary shaft, and the first end of the lever and cam is fixedly installed a counterweight
Body is additionally provided with a cam ring on the lever and cam；Clamping body is switched, it is logical that the bottom end of the switch clamping body is provided with one
Hole is fixedly installed a rolling element axis of rolling in the through-hole, a rolling element, the rolling is provided on the rolling element axis of rolling
Kinetoplast is slidably arranged in the cam ring, and the lever and cam is able to drive the switch clamping body and installs in the cam
It is slided up and down in the sliding slot of body top setting；The top of the switch clamping body is fixedly installed a clamping device, and described first
The bottom end of guide rod is plugged on the clamping device and is fixedly clamped by the clamping device.
Wherein, the weight release device includes a mobile cavity, and the first side of the mobile cavity is provided with an opening port, institute
The bottom for stating mobile cavity is provided with a mounting base, and the weight chamber that falls is arranged in the mounting base, and the weight falls chamber
The first side be connected with the opening port, the fall first side of chamber of the weight is provided with a sliding rail, the mounting base
First side by the sliding rail be slidably arranged in the weight fall chamber first side on；One is provided in the mobile cavity
Overturn structure, the fall inner wall of the first side of chamber of the weight is provided with an overturning and stirs body, the overturning stir body for changing
The motion state of the overturning structure.
Wherein, the buoyancy transfer device includes one second guide rod, and the top of second guide rod passes through the peace
The helicitic texture of dress seat bottom setting is threadedly coupled with the mounting base, and one the is fixedly installed in the middle part of second guide rod
A positioning block, bottom end are fixedly installed one second locating piece, are provided with one between first locating piece and the second locating piece and match
Pouring weight and a floating body, the clump weight and the floating body are set on second guide rod, and the floating body is set to institute
State the lower section of clump weight.
Wherein, the floating body is arranged at the liquid level position in the cesspool.
Above scheme of the invention have it is following the utility model has the advantages that
Passive Schmidt's vacuum sewerage valve of the invention, can automatically be monitored in cesspool by Schmidt's pilot-controlled switch
Liquid level information is fed back to the executive device in Schmidt's pilot-controlled switch in a manner of buoyancy transmitting, passed through by liquid level
The height and position of buoyancy acting lifting heavy body, then the driving energy that potential energy is converted into executive device by weight body is discharged, to cut
Change the connected state of two-position three way air valve, and then adjust vacuum sewerage valve opens or closes state.The opening of vacuum sewerage valve
Or closed state will change the extraction process of sewage in cesspool, adjust the height of its liquid level.Entire passive Schmidt's vacuum row
The control implementation procedure of dirty valve forms the circuit of a closure, can automatically adjust the height of liquid level in cesspool in a certain range
Degree, does not need the energy such as inputing power and is controlled, and apparatus structure is ingenious in design, is connected compact between module, cheap, can
By property height, can be used under the complex environments such as humidity.
Detailed description of the invention
Fig. 1 is overall structure diagram (closing of vacuum sewerage valve) of the invention；
Fig. 2 is whole 3D structure chart of the invention；
Fig. 3 is overall structure diagram (vacuum sewerage valve opening) of the invention；
Fig. 4 is two-position three way vacuum air valve the second connected state schematic diagram of the invention；
Fig. 5 is two-position three way vacuum air valve the first connected state schematic diagram of the invention；
Fig. 6 is lever and cam switching device structure detail view of the invention；
Fig. 7 is the structural schematic diagram (initial stage) that Schmidt's liquid air of the invention switchs；
Fig. 8 is the structural schematic diagram (weight body highest point) that Schmidt's liquid air of the invention switchs；
Fig. 9 is the structural schematic diagram that Schmidt's liquid air of the invention switchs (after the tenesmus of weight body).
[description of symbols]
1- vacuum sewerage valve；101- input terminal；102- output end；103- sewage pipe；104- blowdown chamber；105- ventilation end；
106- communicating valve；107- spring arrangement；108- drinking-water pipe；109- throttle valve；2- cesspool；3- two-position three way vacuum air valve；
301- air inlet；The gas outlet 302-；303- gas returning port；304- valve body；305- venting cavity；306- intake valve port；307- air outlet valve
Mouthful；308- return-air valve port；309- spool；The first guide rod of 310-；4- Schmidt's pilot-controlled switch；5- lever and cam switching device；
501- cam fixing body；502- rotary shaft；503- lever and cam；504- weight body；505- cam ring；506- switchs clamping body；
The 507- rolling element axis of rolling；508- rolling element；509- sliding slot；510- clamping device；6- weight release device；601- weight body；
602- mobile cavity；603- opening port；604- mounting base；605- sliding rail；606- overturns structure；7- weight falls chamber；701- overturning
Stir body；8- buoyancy transfer device；The second guide rod of 801-；The first locating piece of 802-；The second locating piece of 803-；804- counterweight
Block；805- floating body.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in Figure 1, the embodiment provides a kind of passive Schmidt's vacuum sewerage valves, comprising: vacuum sewerage
Valve 1 is provided with an input terminal 101 and an output end 102, the input terminal 101 and the output end on the vacuum sewerage valve 1
102 sewage pipe 103 connection by being arranged in the vacuum sewerage valve 1, the vacuum sewerage valve 1 are used for from a cesspool
2 extract sewage to the vacuum sewerage valve 1, enter from the input terminal 101, by the sewage pipe 103 and from described
Output end 102 is discharged；The first end of two-position three way vacuum air valve 3, the two-position three way vacuum air valve 3 is provided with an air inlet
301, second end is provided with a gas outlet 302, and third end is provided with a gas returning port 303, and the two-position three way vacuum air valve 3 is used for
The air pressure inside state of the vacuum sewerage valve 1 is controlled, to open or close the sewage pipe 103；Schmidt's pilot-controlled switch 4,
A portion of Schmidt's pilot-controlled switch 4 is arranged in the cesspool 2, Schmidt's pilot-controlled switch 4 with it is described
Two-position three way vacuum air valve 3 connects, and Schmidt's pilot-controlled switch 4 is according to the liquid level situation in the cesspool 2, to cut
Change the connected state of the two-position three way vacuum air valve 2.
Passive Schmidt's vacuum sewerage valve described in the above embodiment of the present invention, vacuum sewerage valve 1 can be incited somebody to action from cesspool 2
Sewage is extracted to vacuum sewerage valve 1, enters the sewage pipe 103 in vacuum sewerage valve 1 by input terminal 101, and pass through output
102 discharge of end.Two-position three way vacuum air valve 3 is used to control the air pressure inside state of vacuum sewerage valve 1, to adjust sewage pipe 103
Connection situation, control vacuum sewerage valve 1 extract sewage process.Wherein when two-position three way vacuum air valve 3 only has air inlet 301
When being connected to gas outlet 302, vacuum sewerage valve 1 is in an open state, and sewage can be constantly extracted out of cesspool 2 and from output end
102 discharges, and when two-position three way vacuum air valve 3 only has gas outlet 302 and is connected to gas returning port 303, vacuum sewerage valve 1 is to close
State can not extract sewage.Schmidt's pilot-controlled switch 4 is connect with two-position three way vacuum air valve 3, can adjust two-position three way vacuum gas
The connected state of valve 3, and a portion of Schmidt's pilot-controlled switch 4 is arranged in cesspool 2, can detecte cesspool 2
Interior liquid level situation.When the sewage in cesspool 2 is continuously increased so that liquid level rises to certain altitude position, Schmidt
Liquid air switch 4 can switch the connected state of two-position three way vacuum air valve 3, so that vacuum sewerage valve 1 switches to opening state, and from
Sewage is constantly extracted in cesspool 2, reduces liquid level in cesspool 2.When liquid level is reduced to certain altitude position, Shi Mi
Special liquid air switch 4 switches the connected state of two-position three way vacuum air valve 3 again, so that vacuum sewerage valve 1 switches to closed state,
Stop extracting sewage.Above-mentioned passive Schmidt's vacuum sewerage valve can be according to the highly automated ground control of sewage disposal of liquid level in cesspool 2
Process, to keep liquid level in cesspool 2 to achieve the effect that Intelligentized regulating and controlling cesspool 2, entirely within the scope of certain
Device does not need to input other energy, such as electric energy, chemical energy, improves passive Schmidt's vacuum sewerage valve in wet environment
The reliability used.
Wherein, a blowdown chamber 104 is provided in the vacuum sewerage valve 1, it is logical that the bottom of the blowdown chamber 104 is provided with one
Gas end 105, the sewage pipe 103 are arranged in the blowdown chamber 104, and the sewage pipe 103 is elastic hose, and middle part is provided with
One communicating valve 106, the communicating valve 106 are used to open or close the sewage pipe 103.Wherein, the communicating valve 106 and a bullet
The first end of spring device 107 is fixedly connected, and the second end of the spring arrangement 107 is fixed at the vacuum sewerage valve 1
On inner sidewall.Wherein, the input terminal 101 of the vacuum sewerage valve 1 connects a drinking-water pipe 108, the output end 102 with it is described into
Port 301 is connected to by tracheae, and the ventilation end 105 is connected to by tracheae with the gas outlet 302 and is provided on tracheae
One throttle valve 109.
Vacuum sewerage valve 1 described in the above embodiment of the present invention is internally provided with blowdown chamber 104, and passes through two three
Logical vacuum air valve 3 adjusts the atmospheric pressure state in blowdown chamber 104, with the connected state of control of sewage disposal pipe 103.Wherein, vacuum sewerage
The output end 102 of valve 1 is connected to the air inlet 301 of two-position three way vacuum air valve 3, the ventilation end that 1 bottom of vacuum sewerage valve opens up
105 are connected to the gas returning port 303 of two-position three way vacuum air valve 3, and the input terminal 101 of vacuum sewerage valve 1 is then connected to a drinking-water pipe
108.Gas when two-position three way vacuum air valve 3 switches to the state that air inlet 301 is connected to gas outlet 302, in blowdown chamber 104
Pressure gradually reduces and is formed negative pressure state, since sewage pipe 103 is elastic hose, and is at this time positive pressure shape in pipe
Communicating valve 106 is strutted under the action of elasticity and compresses spring arrangement 107 by state, sewage pipe 103, forms vacuum sewerage valve 1
Opening state.And when two-position three way vacuum air valve 3 switches to the state that gas outlet 302 is connected to gas returning port 303, due to returning
Port 303 is connected to ambient pressure simultaneously, therefore ambient atmosphere will progress into blowdown chamber 104 from ventilation end 105, so that
Barotropic state is gradually formed inside it, compressed spring arrangement 107 will compress communicating valve 106 again at this time, so that sewage pipe
103 are compacted and occlude, and form the closed state of vacuum sewerage valve 1.Wherein, the gas at ventilation end 105 and gas outlet 302 is set
The throttle valve 109 being arranged on pipe can control the rate that atmosphere enters blowdown chamber 104 from ventilation end 105, to control vacuum sewerage valve
1 pass valve speed.
Wherein, the two-position three way vacuum air valve 3 includes a valve body 304, is provided with a venting cavity in the valve body 304
305, an intake valve port 306, an outlet valve port 307 and a return-air valve port 308, the air inlet are provided on the venting cavity 305
Valve port 306 is connected to the air inlet 301, and the outlet valve port 307 is connected to the gas outlet 302, the return-air valve port 308
It is connected to the gas returning port 303, and the gas returning port 303 is arranged in atmospheric environment；It is provided in the venting cavity 305
One spool 309, the spool 309 be used to block the return-air valve port 308 and formed only the air inlet 301 with it is described go out
The first connected state that port 302 is connected to, and the intake valve port 306 is blocked and formed only the gas outlet 302 with
The second connected state that the gas returning port 303 is connected to；The bottom end of the spool 309 is fixedly installed one first guide rod 310, institute
The bottom end for stating the first guide rod 310 passes through the return-air valve port 308 and connect with Schmidt's pilot-controlled switch 4.
Two-position three way vacuum air valve 3 described in the above embodiment of the present invention, opens up a venting cavity 305 in valve body 304,
Form the space of gas flowing and the movement of spool 309.The first end of valve body 304 is set as air inlet 301, in venting cavity 305
Intake valve port 306 be connected to, the second end of valve body 304 is set as gas outlet 302, connects with the outlet valve port 307 in venting cavity 305
Logical, the third end of valve body 304 is set as gas returning port 303, is connected to the return-air valve port 308 in venting cavity by a guide channel,
Therefore entire venting cavity 305 and the form that threeway is formed outside valve body 304.Spool 309 is arranged in venting cavity 305, and its
Bottom end is fixedly connected with the first guide rod 310, and the first guide rod 310 passes through guide channel and extends the portion outside gas returning port 303
Point connection Schmidt's pilot-controlled switch 4, by Schmidt's pilot-controlled switch 4 can control the first guide rod 310 and spool 309 up and down
It is mobile.When spool 309 is moved to highest point, intake valve port 306 is closed, gas outlet 302 is connected to gas returning port 303 at this time,
The second connected state of two-position three way vacuum air valve 3 is formed, and when spool 309 is moved to lowest part, by 308 envelope of return-air valve port
It closes, air inlet 301 is connected to gas outlet 302 at this time, forms the first connected state of two-position three way vacuum air valve 3.
Wherein Schmidt's pilot-controlled switch 4 includes: lever and cam switching device 5, the lever and cam switching device 5
First end is connect with the bottom end of first guide rod 310, and the lever and cam switching device 5 is for driving first guiding
Bar 310, to switch the connected state of the two-position three way vacuum air valve 3；Weight release device 6, the weight release device 6 are used
In promoting the height of a weight body 601 being arranged in Schmidt's pilot-controlled switch 4, and from the weight release device 6
Top release, is converted to kinetic energy for the gravitional force of the weight body 601, to drive the lever and cam switching device 5；Weight
Fall chamber 7, and the first side of the weight release device 6 is arranged in the weight chamber 7 that falls, and connects with the weight release device 6
Connect, the second end of the lever and cam switching device 5 is extended on the weight and falls in chamber 7, the weight fall chamber 7 use
In the connection weight release device 6 and the lever and cam switching device 5, and provide the tenesmus of weight body 601 acting
Channel；The bottom end of the weight release device 6 is arranged in buoyancy transfer device 8, the buoyancy transfer device 8, and the buoyancy passes
Delivery device 8 is used to transmit buoyancy to the weight release device 6, controls the motion state of the weight release device 6.
Schmidt's pilot-controlled switch 5 described in the above embodiment of the present invention discharges lever and cam switching device 5, weight
Device 6, weight fall chamber 7 and buoyancy transfer device 8 links together, and being combined into one can use safely under complex environment
Switch.Wherein lever and cam switching device 5 is the executive device of Schmidt's pilot-controlled switch 4, and first end is true with two-position three way
310 bottom end of the first guide rod of air valve 3 connects, by moving up and down for the first guide rod 310 of control, to switch two-position three way
Two connected states of vacuum air valve 3.Weight release device 6 is for discharging the weight body being arranged in Schmidt's pilot-controlled switch 4
The gravitional force of weight body 601 is converted kinetic energy by 601 height, with activation lever cam switch device 5, realizes to two
The switching of 3 connected state of threeway vacuum air valve.Weight falls chamber 7 as a transitional cavity, plays connection 6 He of weight release device
The effect of lever and cam switching device 5, the weight chamber 7 that falls are connect with the first side of weight release device 6, weight release device 6
The weight body 601 of interior promotion will enter weight and fall in chamber 7 and fall, meanwhile, weight falls chamber 7 and lever and cam switch fills
It sets 5 to be fixedly connected and be connected to, the second end of lever and cam switching device 5 can be extended on weight and fall in chamber 7, the weight of whereabouts
Object 601 will will push the second end of lever and cam switching device 5 and acting, to change the first of lever and cam switching device 5
The motion state at end and the first guide rod 310.The bottom of weight release device 6 is arranged in buoyancy transfer device 8, is used for weight
Release device 6 transmits buoyancy, controls the motion state of weight release device 6.And the part-structure of buoyancy transfer device 8 is arranged
In cesspool 2, the liquid level in cesspool 2 can detecte, adjust the buoyancy size transmitted to weight release device 6.
Wherein, the lever and cam switching device 5 includes cam fixing body 501, is provided on the cam fixing body 501
One rotary shaft 502, is rotatably provided with a lever and cam 503 in the rotary shaft 502, and the first of the lever and cam 503
End is fixedly installed a weight body 504, and a cam ring 505 is additionally provided on the lever and cam 503；Switch clamping body 506, institute
The bottom end for stating switch clamping body 506 is provided with a through-hole, and a rolling element axis of rolling 507 is fixedly installed in the through-hole, described
A rolling element 508 is provided on the rolling element axis of rolling 507, the rolling element 508 is slidably arranged in the cam ring 505, and
The lever and cam 503 is able to drive the sliding slot 509 that the switch clamping body 506 is arranged on 501 top of cam fixing body
Inside slide up and down；The top of the switch clamping body 506 is fixedly installed a clamping device 510, first guide rod 310
Bottom end is plugged on the clamping device 510 and is fixedly clamped by the clamping device 510.
Lever and cam switching device 5 described in the above embodiment of the present invention, one is provided on cam fixing body 501 can be around
The lever and cam 503 that rotary shaft 502 rotates, is provided with a cam ring 505, and sliding is provided with one and opens on cam ring 505
Close clamping body 506.The second end of lever and cam 503 is extended on weight and falls in chamber 7, when weight body 601 falls in weight
Chamber 7 will push down on the second end of lever and cam 503 when falling, the cam ring 505 on lever and cam 503, which can drive, at this time holds
Close sliding slot 509 slide downward of the clamping body 506 on cam fixing body 501.When weight body 601 leave weight fall chamber 7 when, thick stick
The second end of bar cam 503 no longer stress, lever and cam 503 can be inverse around rotary shaft 502 under the action of weight body 504 at this time
Hour hands rotation switchs sliding slot 509 upward sliding of the clamping body 506 on cam fixing body 501.Due to switch clamping body 506
Clamping device 510 has been fixedly installed in top, and the bottom end of the first guide rod 310 plugs and is clamped on clamping device 510, because
This switchs clamping body 506 along the sliding slot on cam fixing body 501 when lever and cam 503 is rotated clockwise around rotary shaft 502
509 slide downwards, so that the first guide rod 310 and spool 309 move down, by return-air valve port 308 when spool 309 to lowest part
Closing forms the first connected state；And when lever and cam 503 is rotated clockwise around rotary shaft 502, switch clamping body 506 to
Upper sliding, so that the first guide rod 310 and spool 309 move up, when spool 309 to highest point, closes intake valve port 306,
Form the second connected state.Lever and cam switching device 5 of the invention switches two-position three way vacuum air valve 3 through the above way
Two connected states.
Wherein, the weight release device 6 includes a mobile cavity 602, and the first side of the mobile cavity 602 is provided with one and opens
Mouth 603 is put, the bottom of the mobile cavity 602 is provided with a mounting base 604, and the weight falls the setting of chamber 7 in the mounting base
On 604, fall the first side of chamber 7 of the weight is connected with the opening port 603, and the weight falls the first side of chamber 7
It is provided with a sliding rail 605, the first side of the mounting base 604 is slidably arranged in the weight by the sliding rail 605 and falls
In the first side of chamber 7；It is provided with an overturning structure 606 in the mobile cavity 602, the weight falls the interior of 7 first side of chamber
Wall is provided with an overturning and stirs body 701, and the overturning stirs body 701 for changing the motion state of the overturning structure 606.
Weight release device 6 described in the above embodiment of the present invention, overturning structure 606 are arranged in mobile cavity 602 first
On the inner wall of side, the setting of weight body 601 is in overturning structure 606, and the presence due to overturning structure 606 and horizontal plane angle
So that weight body 601 can rest in overturning structure 606 in the state of no external force, will not roll.It falls chamber 7 in weight
Body 701 is stirred in the overturning being arranged on the inner wall of first side, and the motion state of overturning structure 606 can be changed.When buoyancy transfer device 8
When transmitting buoyancy to mounting base 604, mobile cavity 602 can be along 605 upward sliding of sliding rail, in the mistake of 602 upward sliding of mobile cavity
Cheng Zhong, wherein one end of overturning structure 606 can touch overturning and stir body 701, and overturning structure 606 is caused to rotate counterclockwise.When
When the inclined direction of overturning structure 606 changes, weight body 601 can be scrolled down through along overturning structure 606, fall to weight
It falls in chamber 7 and falls along the weight chamber 7 that falls and push the second end of lever and cam 503, so that lever and cam 503 is around rotation
When axis 502 rotates clockwise, 506 slide downward of clamping body is switched, drives the first guide rod 310 and spool 309 to move down, most
End form at two-position three way vacuum air valve 3 the first connected state.At this point, vacuum sewerage valve 1 is in the open state, continuously
Sewage is extracted from cesspool 2.When the liquid level in cesspool 2 gradually decreases, buoyancy transfer device 8 can be gradually decreased to peace
Fill seat 604 and transmit buoyancy, when buoyancy is reduced to a certain extent, mobile cavity 602 and mounting base 604 will along sliding rail 605 to
Lower slider, and overturn structure 606 and can slowly stir body 701 with overturning during 602 slide downward of mobile cavity and lose and contact,
Restore to reset condition.When mounting base 604 slips down to certain position, weight fall chamber 7 it can be limited, limit mounting base
604 and mobile cavity 602 continue to glide, and in this position, overturn structure 606 and just fall with weight the bottom connection of chamber 7
Touching, weight body 601 will fall from weight under the effect of gravity to be tumbled to the overturning structure 606 in mobile cavity 602 in chamber 7.This
When, lever and cam 503 rotates under the gravity of weight body 504 around rotary shaft 502 counterclockwise, and switch clamping body 506 is upward
Sliding drives the first guide rod 310 and spool 309 to move up, and when spool 309 to highest point closes intake valve port 306, most
End form at two-position three way vacuum air valve 3 the second connected state.At this point, vacuum sewerage valve 1 will gradually become closed state, stop
Only sewage is extracted from cesspool 2.As the accumulation of sewage in cesspool 2 is so that liquid level rises again, buoyancy transmission device 8
It will provide and buoyancy and be gradually increased to mounting base 604 again, on mounting base 604 and mobile cavity 602 can continue along sliding rail 605
It is sliding, the top of chamber 7 until arrival weight falls.Therefore, buoyancy transfer device 8 is adjusted according to liquid level to mounting base 604
Buoyancy transmitting, realize about 601 weight body recycle carrying, control 3 two kinds of connected states of two-position three way vacuum air valve it is anti-
Multiple switching, to switch the state that vacuum sewerage valve 1 opens or closes.
Wherein, the buoyancy transfer device 8 includes one second guide rod 801, and the top of second guide rod 801 passes through
The helicitic texture of 604 bottom of the mounting base setting is threadedly coupled with the mounting base 604, in second guide rod 801
Portion is fixedly installed one first locating piece 802, and bottom end is fixedly installed one second locating piece 803,802 He of the first locating piece
A clump weight 804 and a floating body 805 are provided between second locating piece 803, the clump weight 804 and the floating body 805 cover
It is located on second guide rod 801, and the floating body 805 is set to the lower section of the clump weight 804.Wherein, the floating body
805 are arranged at the liquid level position in the cesspool 2.
Buoyancy transfer device 8 described in the above embodiment of the present invention, for transmitting buoyancy, control peace to mounting base 604
The motion state of seat 604 is filled, the buoyancy transfer device 8 includes mainly the second guide rod 801, clump weight 804 and floating body
805, wherein being fixedly installed the first locating piece 802 and the second locating piece 803 on the second guide rod 801.Buoyancy transfer device 8
A part is arranged under the liquid level of cesspool 2, and when liquid level rises, floating body 805 can float, and pushes clump weight 804 along the
Two guide rods, 801 upward sliding can touch the first locating piece 802, if at this time when clump weight 804 rises to certain distance
Liquid level continues to rise, then floating body 805 will continue to rise, and push clump weight 804, the second guide rod 801 and mounting base 604 along
Sliding rail 605 rises.And when liquid level decline, floating body 805 can decline with the decline of liquid level, and clump weight 804 also can be in gravity
Under the action of decline, when the bottom of floating body 805 touches the second locating piece 803, if liquid level continues to decline, 804 meeting of clump weight
602 slide downward of the second guide rod 801, mounting base 604 and mobile cavity is pushed, chamber 7 limits mobile cavity 602 until weight falls
Position position and stop continuing to decline.
Therefore, passive Schmidt's vacuum sewerage valve described in the above embodiment of the present invention, passes through Schmidt's pilot-controlled switch 4
Buoyancy transfer device 8 automatically monitor the liquid level in cesspool 2, and it is in such a way that buoyancy transmits that level information is anti-
It is fed to weight release device 6 and lever and cam switching device 5, the connection of two-position three way air valve 3 is controlled by lever and cam device 5
State, and then switch vacuum sewerage valve 1 and open or close state.And the state that opens or closes of vacuum sewerage valve 1 will shadow
The extraction for ringing sewage in cesspool 2, adjusts the height of its liquid level.Entire control forms the circuit of a closure, can automatically exist
The height that liquid level in cesspool 2 is adjusted in a certain range, does not need the energy such as inputing power and is controlled, between module and module
Bridging mode design rationally, the high reliablity used.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of passive Schmidt's vacuum sewerage valve characterized by comprising
Vacuum sewerage valve is provided with an input terminal and an output end, the input terminal and the output on the vacuum sewerage valve
By the connection of the sewage pipe that is arranged in the vacuum sewerage valve, the vacuum sewerage valve is used for sewage from a cesspool at end
It extracts to the vacuum sewerage valve, enters from the input terminal, is discharged by the sewage pipe and from the output end；
The first end of two-position three way vacuum air valve, the two-position three way vacuum air valve is provided with an air inlet, and second end is provided with
One gas outlet, third end are provided with a gas returning port, and the two-position three way vacuum air valve is for controlling the interior of the vacuum sewerage valve
Portion's atmospheric pressure state, to open or close the sewage pipe；
Schmidt's pilot-controlled switch, a portion of Schmidt's pilot-controlled switch are arranged in the cesspool, it is described apply it is close
Special pilot-controlled switch is connect with the two-position three way vacuum air valve, and Schmidt's pilot-controlled switch is according to the liquid level in the cesspool
Altitudes, to switch the connected state of the two-position three way vacuum air valve.
2. passive Schmidt's vacuum sewerage valve according to claim 1, which is characterized in that setting in the vacuum sewerage valve
There is a blowdown chamber, the bottom of the blowdown chamber is provided with a ventilation end, and the sewage pipe is arranged in the blowdown chamber, the row
Dirt pipe is elastic hose, and middle part is provided with a communicating valve, and the communicating valve is used to open or closes the sewage pipe.
3. passive Schmidt's vacuum sewerage valve according to claim 2, which is characterized in that the communicating valve and a spring fill
The first end set is fixedly connected, and the second end of the spring arrangement is fixed on the inner sidewall of the vacuum sewerage valve.
4. passive Schmidt's vacuum sewerage valve according to claim 3, which is characterized in that the input of the vacuum sewerage valve
One drinking-water pipe of end connection, the output end are connected to the air inlet by tracheae, and the ventilation end passes through with the gas outlet
Tracheae is connected to and is provided with a throttle valve on tracheae.
5. passive Schmidt's vacuum sewerage valve according to claim 1, which is characterized in that the two-position three way vacuum air valve
Including a valve body, a venting cavity is provided in the valve body, be provided on the venting cavity intake valve port, an outlet valve port and
One return-air valve port, the intake valve port are connected to the air inlet, and the outlet valve port is connected to the gas outlet, the return-air
Valve port is connected to the gas returning port, and the gas returning port is arranged in atmospheric environment；A valve is provided in the venting cavity
Core, the spool are used to blocking and forming the first company for only having the air inlet and being connected to the gas outlet return-air valve port
Logical state, and the intake valve port is blocked and forms the second connected state that the only described gas outlet is connected to the gas returning port
State；The bottom end of the spool is fixedly installed one first guide rod, and the bottom end of first guide rod passes through the return-air valve port
And it is connect with Schmidt's pilot-controlled switch.
6. passive Schmidt's vacuum sewerage valve according to claim 1, which is characterized in that Schmidt's pilot-controlled switch packet
It includes:
Lever and cam switching device, the first end of the lever and cam switching device are connect with the bottom end of first guide rod,
The lever and cam switching device is for driving first guide rod, to switch the connected state of the two-position three way vacuum air valve
State；
Weight release device, the weight release device is for promoting the weight body being arranged in Schmidt's pilot-controlled switch
Height, and from the top of the weight release device discharge, the gravitional force of the weight body is converted into kinetic energy, with driving
The lever and cam switching device；
Weight falls chamber, and the first side of the weight release device is arranged in the weight chamber that falls, and discharges and fills with the weight
Set connection, the second end of the lever and cam switching device is extended on the weight and falls intracavitary, and the weight falls chamber
For connecting the weight release device and the lever and cam switching device, and provide the logical of the weight body tenesmus acting
Road；
The bottom end of the weight release device, the buoyancy transmitting dress is arranged in buoyancy transfer device, the buoyancy transfer device
It sets for transmitting buoyancy to the weight release device, controls the motion state of the weight release device.
7. passive Schmidt's vacuum sewerage valve according to claim 6, which is characterized in that the lever and cam switching device
Including cam fixing body, it is provided with a rotary shaft on the cam fixing body, is rotatably provided with a thick stick in the rotary shaft
Bar cam, the first end of the lever and cam are fixedly installed a weight body, a cam ring are additionally provided on the lever and cam；
Clamping body is switched, the bottom end of the switch clamping body is provided with a through-hole, rolling element rolling is fixedly installed in the through-hole
Axis is provided with a rolling element on the rolling element axis of rolling, and the rolling element is slidably arranged in the cam ring, and the thick stick
Bar cam is able to drive the switch clamping body and slides up and down in the sliding slot that cam fixing body top is arranged；The switch
The top of clamping body is fixedly installed a clamping device, and the bottom end of first guide rod is plugged on the clamping device and leads to
The clamping device is crossed to be fixedly clamped.
8. passive Schmidt's vacuum sewerage valve according to claim 6, which is characterized in that the weight release device includes
One mobile cavity, the first side of the mobile cavity are provided with an opening port, and the bottom of the mobile cavity is provided with a mounting base, described
The weight chamber that falls is arranged in the mounting base, and fall the first side of chamber of the weight is connected with the opening port, described heavy
The fall first side of chamber of object is provided with a sliding rail, and the first side of the mounting base is slidably arranged in described by the sliding rail
Weight fall chamber first side on；It is provided with an overturning structure in the mobile cavity, the weight falls the interior of the first side of chamber
Wall is provided with an overturning and stirs body, and the overturning stirs body for changing the motion state of the overturning structure.
9. passive Schmidt's vacuum sewerage valve according to claim 6, which is characterized in that the buoyancy transfer device includes
One second guide rod, the helicitic texture and the mounting base that the top of second guide rod is arranged by the mounting base bottom
It is threadedly coupled, one first locating piece is fixedly installed in the middle part of second guide rod, bottom end is fixedly installed one second positioning
Block is provided with a clump weight and a floating body, the clump weight and the floating body between first locating piece and the second locating piece
It is set on second guide rod, and the floating body is set to the lower section of the clump weight.
10. passive Schmidt's vacuum sewerage valve according to claim 9, which is characterized in that the floating body is arranged described
At liquid level position in cesspool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910201918.5A CN109973697A (en) | 2019-03-18 | 2019-03-18 | Passive Schmidt's vacuum sewerage valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910201918.5A CN109973697A (en) | 2019-03-18 | 2019-03-18 | Passive Schmidt's vacuum sewerage valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973697A true CN109973697A (en) | 2019-07-05 |
Family
ID=67079293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910201918.5A Pending CN109973697A (en) | 2019-03-18 | 2019-03-18 | Passive Schmidt's vacuum sewerage valve |
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| Country | Link |
|---|---|
| CN (1) | CN109973697A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4499921A (en) * | 1980-12-24 | 1985-02-19 | Kurt Stoll | Three-way air valve |
| CN103438237A (en) * | 2013-08-27 | 2013-12-11 | 宁波南车时代传感技术有限公司 | Suck-back-prevention vacuum blow-down valve and vacuum dirt collecting system |
| CN204253933U (en) * | 2014-11-26 | 2015-04-08 | 霖城科技股份有限公司 | Vacuum valve |
| CN207213246U (en) * | 2017-08-23 | 2018-04-10 | 上海泽宁环保科技有限公司 | A kind of negative pressure source power vacuum valve element, sealing device and interface valve |
| CN109216105A (en) * | 2018-11-14 | 2019-01-15 | 湖南真创环保科技有限公司 | Schmidt's pilot-controlled switch |
-
2019
- 2019-03-18 CN CN201910201918.5A patent/CN109973697A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4499921A (en) * | 1980-12-24 | 1985-02-19 | Kurt Stoll | Three-way air valve |
| CN103438237A (en) * | 2013-08-27 | 2013-12-11 | 宁波南车时代传感技术有限公司 | Suck-back-prevention vacuum blow-down valve and vacuum dirt collecting system |
| CN204253933U (en) * | 2014-11-26 | 2015-04-08 | 霖城科技股份有限公司 | Vacuum valve |
| CN207213246U (en) * | 2017-08-23 | 2018-04-10 | 上海泽宁环保科技有限公司 | A kind of negative pressure source power vacuum valve element, sealing device and interface valve |
| CN109216105A (en) * | 2018-11-14 | 2019-01-15 | 湖南真创环保科技有限公司 | Schmidt's pilot-controlled switch |
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Application publication date: 20190705 |