CN206708505U - Vacuum operated valve and vacuum closet - Google Patents
Vacuum operated valve and vacuum closet Download PDFInfo
- Publication number
- CN206708505U CN206708505U CN201720303255.4U CN201720303255U CN206708505U CN 206708505 U CN206708505 U CN 206708505U CN 201720303255 U CN201720303255 U CN 201720303255U CN 206708505 U CN206708505 U CN 206708505U
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- room
- control room
- vacuum
- operating room
- control
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Abstract
The utility model discloses a kind of vacuum operated valve and vacuum closet, vacuum operated valve includes：Housing；Control room, control room are internally provided with：Control room diaphragm, control room valve rod and control room back-moving spring, when control room valve rod moves up and down, control room valve rod sealing member can make control room lower chambers connect or separate with hull outside；Operating room, operating room are internally provided with：Operating room diaphragm, operating room valve rod and operating room back-moving spring, when operating room valve rod moves up and down, operating room valve rod sealing member can control steam line to connect or separate；Gas passage, gas passage include：Control room balance channel, control room and operating room balance channel and steam line.The purpose of this utility model is to provide a kind of vacuum operated valve and vacuum closet, and the vacuum operated valve is inexpensive, corrosion-resistant and vacuum is produced and vacuum degree control and closet separate operation.
Description
Technical field
Pneumatic control valve field is the utility model is related to, more particularly, to a kind of vacuum operated valve and vacuum closet.
Background technology
The vacuum closet system of passenger train toilet application at present usually requires to keep certain in the dirt box of system
Vacuum, the generation of its vacuum and vacuum degree control use electric operation and control.It is vacuum ejector for example with magnetic valve
Compressed air needed for generation vacuum is provided, the height of detection vacuum is switched by using industrial vacuum, so as to control electromagnetism
The opening and closing of valve.
This vacuum closet overall system control using the generation of electrical control vacuum and vacuum is also to use electric-controlled
System.Which results in the cost of vacuum closet is high, system complex, and electrical equipment is moist in toilet and mordant environment
The lower life-span is low.For the vacuum of specific above-mentioned electric operation produce and vacuum degree control component in, magnetic valve and vacuum switch
Damage comparison it is high, especially vacuum switch, except corrosion of the environment of toilet to it, the corrosion of interior media is more serious, makes
It is one of maximum trouble point of this vacuum closet system into vacuum switch.
In recent years, there is the pneumatic control vacuum closet system that producer starts developing low-cost, i.e., using vacuum closet system
Internal vacuum carries out the operation of system acting.Corresponding vacuum produces and vacuum degree control also needs to use pneumatic mode control
System.The button of this vacuum closet produces operation valve with controller and vacuum and is combined into one, and specifically button produces with vacuum
Operation valve is arranged on the both ends of controller, and button, controller, vacuum produce operation valve and share public operating valve lever.Press
Button, operating valve lever move down, and vacuum is produced operation valve and open, system starts to produce vacuum, when vacuum reaches certain vacuum degree
When, controller operating valve lever moves up, close vacuum produce operation valve, simultaneity factor start by time controller control system its
The action of its valve.
This pneumatic control vacuum produces and the mode of vacuum, because button, controller, vacuum produce operation valve combination
Together, i.e., just start to produce vacuum in systems when button is pressed, for passenger train vacuum closet, produce the true of needs
Sky substantially needs more than 20 seconds, that is to say, that since closet user the action needs such as wash by water, empty pressing button to closet
Wait more than 20 seconds.This can cause the faulty idea of closet to closet user, otherwise ceaselessly touch the button again, otherwise it is just straight
Connect and leave toilet.Domestic passenger is more, and upper toilet frequency is high, goes to toilet to see the general of the closet that last time user does not rinse
Rate is high.
It is therefore desirable to research and develop a kind of inexpensive, corrosion-resistant and vacuum generation and vacuum degree control and closet operation are separated
Vacuum operated valve and vacuum closet.
Utility model content
The purpose of this utility model is to provide a kind of vacuum operated valve and vacuum closet, and the vacuum operated valve is inexpensive, resistance to
Corrode and to vacuum generation and vacuum degree control and terminal installation separate operation.
To achieve these goals, one side of the present utility model provides a kind of vacuum operated valve, it is characterised in that bag
Include：
Housing；
Control room, the control room are arranged at the housing upper, and the control room is internally provided with：Control room diaphragm,
The control room is divided into control room upper chamber and control by control room valve rod and control room back-moving spring, the control room diaphragm
Room lower chambers, described control room valve rod one end are connected to the control room diaphragm other end and are located in gas passage, the control
Room back-moving spring is arranged between the control room bottom and the control room diaphragm, and the control room stem bottom is provided with control
Room valve rod sealing member, when the control room valve rod moves up and down, the control room valve rod sealing member can make the control room
Lower chambers are connected or separated with hull outside；
Operating room, the operating room are arranged at the lower housing portion, and the operating room is internally provided with：Operating room diaphragm,
The operating room is divided into operating room upper chamber and operation by operating room valve rod and operating room back-moving spring, the operating room diaphragm
Room lower chambers, described operating room valve rod one end are connected to the operating room diaphragm other end and are located in gas passage, the operation
Room back-moving spring is arranged at the top of the operating room between the operating room diaphragm, and the operating room stem bottom is provided with operation
Room valve rod sealing member, when the operating room valve rod moves up and down, the operating room valve rod sealing member can control steam line
Connection or cut-off；
Gas passage, the gas passage include：Control room balance channel, control room and operating room balance channel and supply
Pipeline, the control room balance channel are arranged at the control room lower chambers side and are communicated in terminal installation, the control room with
Operating room balance channel is by a plurality of pipeline communication in control room lower chambers, operating room upper chamber and hull outside, the supply
Pipeline is arranged at enclosure interior and is respectively communicated with vacuum generating device, operating room lower chambers and terminal installation.
Preferably, magnet is provided with the top of the control room, magnetic part is provided with the top of the control room diaphragm.
Preferably, the control room is provided with unidirectionally with operating room balance channel and the junction of the control room lower chambers
Valve.
Preferably, the operating room valve rod sealing member is sealing ring.
Preferably, the control room and room processed described in operating room balance channel and operating room balance channel and the control
The diameter of room lower chambers connecting pipe is more than the diameter of the control room valve rod.
Preferably, the diameter of steam line described in the steam line and the operating room lower chambers connecting pipe is more than
The operating room stem diameter.
Preferably, one end of the steam line is communicated in vacuum generating device, and the steam line is given birth to the vacuum
Device junction is provided with filter membrane.
A kind of vacuum closet, including vacuum operated valve are provided according to another aspect of the present utility model.
Preferably, in addition to：Vacuum ejector described in vacuum ejector is connected to the steam line by pipeline.
Preferably, in addition to：Dirt box, one end of the dirt box are connected to the vacuum ejector, institute by pipeline
The other end of dirt box is stated by pipeline communication in the control room balance channel.
The beneficial effects of the utility model are：Vacuum operated valve is arranged in vacuum output line, vacuum output line
Close access is formed by steam line, vacuum operated valve is by controlling the unlatching of steam line to realize that control vacuum is defeated with closure
Go out and close.Vacuum operated valve is connected to vacuum output line by control room balance channel, detects the true of vacuum output line
Reciprocal of duty cycle situation.And then realize control room and detect whether to need supply vacuum, operating room realizes that vacuum exports.The vacuum operated valve
It is inexpensive, corrosion-resistant and to vacuum produce and vacuum degree control and closet separate operation
System of the present utility model has other a characteristics and advantage, and these characteristics and advantage are from the accompanying drawing being incorporated herein
It will be apparent with subsequent specific embodiment, or by the accompanying drawing and subsequent specific embodiment being incorporated herein
Middle to be stated in detail, these the drawings and specific embodiments are provided commonly for explaining certain principles of the present utility model.
Brief description of the drawings
The utility model exemplary embodiment is described in more detail in conjunction with the accompanying drawings, it is of the present utility model above-mentioned
And other purposes, feature and advantage will be apparent, wherein, in the utility model exemplary embodiment, identical
Reference number typically represents same parts.
Fig. 1 shows the vacuum operated valve schematic diagram according to the utility model one embodiment.
Fig. 2 shows the vacuum closet profile according to the utility model one embodiment.
Description of reference numerals：
101st, control room upper chamber；102nd, control room lower chambers；103rd, magnet；104th, control room diaphragm；105th, magnetic part；
106th, control room back-moving spring；107th, check valve；108th, control room balance channel；109th, control room valve rod sealing member；110th, control
Room processed and operating room balance channel；111st, operating room upper chamber；112nd, operating room lower chambers；113rd, steam line；114th, operate
Room diaphragm；115th, operating room valve rod；116th, operating room back-moving spring；117th, operating room valve rod sealing member；200th, airless injection
Device；300th, dirt box；400th, vacuum generating device；500th, terminal installation.
Embodiment
The utility model is more fully described below with reference to accompanying drawings.Although shown in accompanying drawing of the present utility model preferred
Embodiment, however, it is to be appreciated that may be realized in various forms the utility model without should be limited by embodiments set forth here
System.On the contrary, these embodiments are provided so that the utility model is more thorough and complete, and can will be of the present utility model
Scope is intactly communicated to those skilled in the art.
A kind of vacuum operated valve is provided according to one side of the present utility model, it is characterised in that including：
Housing；
Control room, the control room are arranged at the housing upper, and the control room is internally provided with：Control room diaphragm,
The control room is divided into control room upper chamber and control by control room valve rod and control room back-moving spring, the control room diaphragm
Room lower chambers, described control room valve rod one end are connected to the control room diaphragm other end and are located in gas passage, the control
Room back-moving spring is arranged between the control room bottom and the control room diaphragm, and the control room stem bottom is provided with control
Room valve rod sealing member, when the control room valve rod moves up and down, the control room valve rod sealing member can make the control room
Lower chambers are connected or separated with hull outside；
Operating room, the operating room are arranged at the lower housing portion, and the operating room is internally provided with：Operating room diaphragm,
The operating room is divided into operating room upper chamber and operation by operating room valve rod and operating room back-moving spring, the operating room diaphragm
Room lower chambers, described operating room valve rod one end are connected to the operating room diaphragm other end and are located in gas passage, the operation
Room back-moving spring is arranged at the top of the operating room between the operating room diaphragm, and the operating room stem bottom is provided with operation
Room valve rod sealing member, when the operating room valve rod moves up and down, the operating room valve rod sealing member can control steam line
Connection or cut-off；
Gas passage, the gas passage include：Control room balance channel, control room and operating room balance channel and supply
Pipeline, the control room balance channel are arranged at the control room lower chambers side and are communicated in terminal installation, the control room with
Operating room balance channel is by a plurality of pipeline communication in control room lower chambers, operating room upper chamber and hull outside, the supply
Pipeline is arranged at enclosure interior and is respectively communicated with vacuum generating device, operating room lower chambers and terminal installation.
Specifically, vacuum operated valve is arranged in vacuum output line, and vacuum output line is formed by steam line and closed
Path is closed, vacuum operated valve is by controlling the unlatching of steam line to realize the output of control vacuum and closure with closure.Vacuumizing
Valve is connected to vacuum output line by control room balance channel, detects the vacuum situation of vacuum output line.And then realize
Control room detects whether to need supply vacuum, and operating room realizes that vacuum exports.
Specifically, vacuum operated valve is connected to vacuum output line by control room balance channel, detects vacuum efferent duct
The vacuum situation of line.In vacuum degree deficiency, control room back-moving spring pushes control room diaphragm at the top of control room to, this time control
Room valve rod processed moves up, control room valve rod sealing member closure control room and control room lower chambers and operating room in operating room balance channel
The path of upper chamber, the pressure in operating room upper chamber is atmospheric pressure, and operating room diaphragm is pushed to grasp by operating room back-moving spring
Make room bottom, now steam line connects, and realizes the output of vacuum.When vacuum output reaches setting value, due under control room
Chamber is communicated in vacuum output channel by control room balance channel, control room bottom chamber atmospheric pressure is less than outside atmosphere
Pressure, under atmospheric pressure effect, overcome the active force of control room back-moving spring, make under control room diaphragm and control room valve rod
Move, the path of control room lower chambers and hull outside in closing control room and operating room balance channel, at the same open control room with
Control room lower chambers and the path of operating room upper chamber, the vacuum of control room bottom chamber is output in operating room balance channel
Operating room lower chambers, operating room diaphragm is moved up, drive operating room valve rod and operating room valve rod sealing member to move up closure air supply pipe
Road, vacuum output channel is closed at, stops vacuum output.It is thusly-formed an operation circulation.
Specifically, terminal installation can be that vacuum closet, vacuum packaging machine, vacuum brazing, Vacuum Deposition membrane device etc. are existing often
Rule need the device that vacuum exports, and vacuum generating device can produce vacuum and belong to prior art means, is connected to by pipeline
Vacuum output line detection vacuum refers to detect the negative-pressure vacuum in pipeline by existing vacuum inspective meter, detected in pipeline
Rarefaction of air degree belong to prior art means.
Specifically, by the way that the vacuum operated valve of the present invention is arranged in vacuum output line loop, the defeated of vacuum is controlled
Go out and close, it is easy to operate, inexpensive, corrosion-resistant while vacuum is produced and vacuum degree control and terminal installation are separately carried out.
Preferably, magnet is provided with the top of the control room, magnetic part is provided with the top of the control room diaphragm.
Specifically, when vacuum output channel vacuum degree deficiency, when control room diaphragm moves up, it is arranged at the top of control room
Magnet mutually attracts with the magnetic part being arranged at the top of control room diaphragm, and then shortens the time that control room diaphragm moves up, simultaneously
When vacuum output line vacuum is higher, certain vacuum in control room be present, control room diaphragm needs to overcome magnetive attraction and control
Action of reset spring power in room processed, which can be realized, to be moved down, and is easy to the control moved down to control room diaphragm.
Preferably, the control room is set with operating room balance channel and the junction of the control room lower chambers
There is check valve.Check valve vacuum is set to be only capable of exporting Value Operations with operating room balance channel by control room lower chambers and control room
Room upper chamber, it is easy to keep the stability of operating room epicoele chamber pressure, operating room valve rod sealing member when making that vacuum need not be exported
To the closure effect of steam line more preferably.
Preferably, the operating room valve rod sealing member is sealing ring.
Preferably, the control room and room processed described in operating room balance channel and operating room balance channel and institute
The diameter for stating control room lower chambers connecting pipe is more than the diameter of the control room valve rod, in order in vacuum output channel vacuum
When degree is higher, vacuum is exported to operating room upper chamber via control room lower chambers, while is easy to control room valve rod to move up and down.
Preferably, steam line described in the steam line and the operating room lower chambers connecting pipe is straight
Footpath is more than the operating room stem diameter, and room valve rod easy to operation moves up and down, and can more accurately control opening for steam line
Open and close.
Preferably, one end of the steam line is communicated in vacuum generating device, the steam line with it is described
Vacuum generating device junction is provided with filter membrane, and the setting of filter membrane prevents pollutant from entering vacuum operated valve.
According to vacuum closet of the present utility model, including vacuum operated valve.
Preferably, in addition to：Vacuum ejector described in vacuum ejector is connected to the gas by pipeline and led to
Road.
Preferably, in addition to：Dirt box, one end of the dirt box are connected to the airless injection by pipeline
Device, the other end of the dirt box is by pipeline communication in the gas passage.
Embodiment 1：
Fig. 1 shows the vacuum operated valve schematic diagram according to the utility model one embodiment.
As shown in figure 1, the water supercharging device includes：
A kind of vacuum operated valve is provided according to one side of the present utility model, it is characterised in that including：
Housing；
Control room, the control room are arranged at the housing upper, and the control room is internally provided with：Control room diaphragm
The control room is divided into control room by the 104th, control room valve rod and control room back-moving spring 106, the control room diaphragm 104
Upper chamber 101 and control room lower chambers 102, described control room valve rod one end are connected to the other end position of control room diaphragm 104
In in gas passage, the control room back-moving spring 106 be arranged at the control room bottom and the control room diaphragm 104 it
Between, the control room stem bottom is provided with control room valve rod sealing member 109, described when the control room valve rod moves up and down
Control room valve rod sealing member 109 can make the control room lower chambers 102 connect or separate with hull outside；
Operating room, the operating room are arranged at the lower housing portion, and the operating room is internally provided with：Operating room diaphragm
The operating room is divided into operation by the 114th, operating room valve rod 115 and operating room back-moving spring 116, the operating room diaphragm 114
Room upper chamber 111 and operating room lower chambers 112, it is another that described one end of operating room valve rod 115 is connected to the operating room diaphragm 114
In gas passage, the operating room back-moving spring 116 is arranged at the top of the operating room and the operating room diaphragm 114 at end
Between, the bottom of operating room valve rod 115 is provided with operating room valve rod sealing member 117, when the operating room valve rod is transported about 115
When dynamic, the operating room valve rod sealing member 117 can control steam line 113 to connect or separate；
Gas passage, the gas passage include：Control room balance channel 108, control room and operating room balance channel 110
And steam line 113, the control room balance channel 108 are arranged at the side of control room lower chambers 102 and are communicated in terminal dress
500 are put, the control room is with operating room balance channel 110 by a plurality of pipeline communication on control room lower chambers 102, operating room
Chamber 111 and hull outside, the steam line 113 are arranged at enclosure interior and are respectively communicated with vacuum generating device 400, operation
Room lower chambers 112 and terminal installation 500.
Wherein, magnet 103 is provided with the top of the control room, the top of control room diaphragm 104 is provided with magnetic part
105。
Wherein, the control room is provided with operating room balance channel 110 and the junction of the control room lower chambers 102
Check valve 107.
Wherein, the operating room valve rod sealing member 117 is sealing ring.
Wherein, the control room and room processed described in operating room balance channel 110 and operating room balance channel and the control
The diameter of the connecting pipe of room lower chambers 102 processed is more than the diameter of the control room valve rod.
Wherein, steam line 113 described in the steam line 113 and the connecting pipe of operating room lower chambers 112
Diameter is more than the diameter of operating room valve rod 115.
Wherein, one end of the steam line 113 is communicated in vacuum generating device 400, the steam line 113 with it is described
The junction of vacuum generating device 400 is provided with filter membrane.
In use, vacuum operated valve is arranged in vacuum output line, vacuum output line is formed by steam line 113
Close access, vacuum operated valve is by controlling the unlatching of steam line 113 to realize the output of control vacuum and closure with closure.Vacuum
Operation valve is connected to vacuum output line by control room balance channel 108, detects the vacuum situation of vacuum output line.Enter
And realize control room and detect whether to need supply vacuum, operating room realizes that vacuum exports.
Embodiment 2
Fig. 2 shows the vacuum closet profile according to the utility model one embodiment.
As shown in Fig. 2 the vacuum closet, including the vacuum operated valve described in embodiment 1.
Wherein, in addition to：Vacuum ejector 200, the vacuum ejector 200 are connected to the steam line by pipeline
113。
Wherein, in addition to：Dirt box 300, one end of the dirt box 300 are connected to the vacuum ejector by pipeline
200, the other end of the dirt box 300 is by pipeline communication in the control room balance channel 108.
In use, when vacuum is no or insufficient in dirt box 300 and control room balance channel 108, same control room
Vacuum in lower chambers 102 is also insufficient, and now control room diaphragm 104 is pushed into control by the elastic force of control room back-moving spring 106
The tip position of room upper chamber 101, and control room makes the magnetic part 105 on diaphragm and the magnet at the top of control room upper chamber 101
103 adhesives.Control room valve rod is moved up control room in control room and operating room balance channel 110 with control room diaphragm 104
Lower chambers 102 and the path of operating room upper chamber 111 block.Control room, in hull outside, makes with operating room balance channel 110
It is atmospheric pressure in operating room upper chamber 111, then operating room diaphragm 114 is pushed into operating room cavity of resorption by operating room back-moving spring 116
The bottom of room 112, operating room valve rod 115 then open steam line 113, and compressed air is output to vacuum by steam line 113
Injector 200, start to produce vacuum in system pollutant case 300.
With the rising of vacuum, the vacuum in control room lower chambers 102 is also rising, when control room lower chambers 102
In vacuum when reaching setting value, pressure differential of the control room diaphragm about 104 will overcome magnetic force and control room back-moving spring 106
Spring force promote control room diaphragm 104 to drive control room valve rod to move down, control room and control room in operating room balance channel 110
Lower chambers 102 and the path of operating room upper chamber 111 are opened, while block control room and operating room balance channel 110 and housing
Outside path, vacuum are exported to operating room upper chamber 111 by check valve 107 and control room with operating room balance channel 110
In, due to the entrance of vacuum, operating room upper diaphragm is produced pressure differential up and down, promote the diaphragm of operating room upper chamber 111 to drive behaviour
The valve rod of Zuo Shi upper chamber 111 moves up, and closes steam line 113, stops providing compressed air for vacuum ejector 200, so as to stop
Only vacuum produces process.
The reduction of vacuum in dirt box 300 is caused with the use or other reasons of closet, once vacuum is low to setting
During definite value, control room spring moves up control room promotion diaphragm, and the vacuum for starting a new round produces process.
The setting of wherein check valve 107 is in order to reduce the fluctuation of vacuum in operating room upper chamber 111, to ensure to operate
Effective closure of the room valve rod 115 to steam line 113.
Under normal circumstances to ensure that steam line 113 quickly opens and closes, the volume of operating room upper chamber 111 should be set
Put it is smaller, quickly to form vacuum and normal pressure.The bottom of operating room diaphragm 114 and the bottom of operating room lower chambers 112 also may be used
To set the helping air supply pipeline 113 of magnet 103 quickly to open and close.
Being similarly prevents from sealing steam line 113 caused by vacuum leak or other reasons in operating room upper chamber 111
It is bad, steam line 113 can also be sealed using magnet auxiliary operation room valve rod 115.
When in addition in actual applications, such as before the operation of permutation car starting to supply compressed air, to prevent that compression is empty
Atmospheric pressure does not rise to a certain extent, and now due to not having vacuum to cause steam line 113 to be in open mode in system, enters
One step has influence on the rising of compressed air pressure, and the present embodiment can be provided with pressure valve on vacuum ejector 200, only compress
It could be to provide compressed air that air, which reaches certain pressure,.Pressure valve can use have certain check valve 107 for opening pressure or
The valve of other structures.Obviously permutation car can also use the compressed air supply integrally controlled, i.e., compressed before operation
Air pressure is that vacuum closet system supplies compressed air after reaching, and the supply of compressed air is interrupted after end of run.
Certainly, the plumbing drain in dirt box 300 is not completely closed or dirt box 300 is deposited in the case of a leak in itself,
Vacuum ejector 200 can be caused to work always and do not establish the vacuum needed for system, cause compressed air on passenger train
Largely waste, or even the braking to passenger train impacts.Therefore, further can be in control room for the utility model
Magnetic switch is installed on diaphragm 104 or operating room diaphragm 114 or housing additional to detect the work shape of vacuum generation and vacuum degree control
State, so as to externally be alarmed, troubleshooting is carried out as early as possible, though being indicated not in illustrated example, still fall within of the present utility model
Scope.
Further to prevent during vacuum produces, the action of vacuum closet, such as bleed valve are opened and carry out closet dirt
Emptying, due to now just being produced in vacuum, it is possible to cause dirt and steam to be easier to reach vacuum ejector 200, therefore can
When bleed valve is opened, the vacuum for operating bleed valve directly is introduced directly into control room and led to operating room balance channel 110
In path with hull outside, force to act the termination of vacuum ejector 200, at the end of blowdown, automatically by control room and behaviour
Make the logical recovery normal condition of room balance channel 110, this operation belongs to conventional technical means.
Vacuum is produced and vacuum degree control valve is made using resistant material, preferentially using engineering plastics, using mould system
Make.
It is described above each embodiment of the present utility model, described above is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes will be apparent from for those skilled in the art.
Claims (10)
- A kind of 1. vacuum operated valve, it is characterised in that including：Housing；Control room, the control room are arranged at the housing upper, and the control room is internally provided with：Control room diaphragm, control The control room is divided under control room upper chamber and control room by room valve rod and control room back-moving spring, the control room diaphragm Chamber, described control room valve rod one end are connected to the control room diaphragm other end and are located in gas passage, and the control room is answered Position spring is arranged between the control room bottom and the control room diaphragm, and the control room stem bottom is provided with control room valve Shaft seal, when the control room valve rod moves up and down, the control room valve rod sealing member can make the control room cavity of resorption Room connects or separated with hull outside；Operating room, the operating room are arranged at the lower housing portion, and the operating room is internally provided with：Operating room diaphragm, operation The operating room is divided under operating room upper chamber and operating room by room valve rod and operating room back-moving spring, the operating room diaphragm Chamber, described operating room valve rod one end are connected to the operating room diaphragm other end and are located in gas passage, and the operating room is answered Position spring is arranged at the top of the operating room between the operating room diaphragm, and the operating room stem bottom is provided with operating room valve Shaft seal, when the operating room valve rod moves up and down, the operating room valve rod sealing member can control steam line to connect Or cut-off；Gas passage, the gas passage include：Control room balance channel, control room and operating room balance channel and air supply pipe Road, the control room balance channel are arranged at the control room lower chambers side and are communicated in terminal installation, the control room and behaviour Make room balance channel by a plurality of pipeline communication in control room lower chambers, operating room upper chamber and hull outside, the air supply pipe Road is arranged at enclosure interior and is respectively communicated with vacuum generating device, operating room lower chambers and terminal installation.
- 2. vacuum operated valve according to claim 1, it is characterised in that magnet is provided with the top of the control room, it is described Magnetic part is provided with the top of control room diaphragm.
- 3. vacuum operated valve according to claim 1, it is characterised in that the control room and operating room balance channel and institute The junction for stating control room lower chambers is provided with check valve.
- 4. vacuum operated valve according to claim 1, it is characterised in that the operating room valve rod sealing member is sealing ring.
- 5. vacuum operated valve according to claim 1, it is characterised in that the control room and institute in operating room balance channel The diameter for stating control room and operating room balance channel and the control room lower chambers connecting pipe is more than the control room valve rod Diameter.
- 6. vacuum operated valve according to claim 1, it is characterised in that steam line described in the steam line and institute The diameter for stating operating room lower chambers connecting pipe is more than the operating room stem diameter.
- 7. vacuum operated valve according to claim 1, it is characterised in that one end of the steam line is communicated in vacuum life Into device, the steam line is provided with filter membrane with the vacuum generating device junction.
- 8. a kind of vacuum closet, it is characterised in that including the vacuum operated valve according to any one of claim 1-7.
- 9. vacuum closet according to claim 8, it is characterised in that also include：Vacuum ejector, the vacuum ejector The steam line is connected to by pipeline.
- 10. vacuum closet according to claim 9, it is characterised in that also include：Dirt box, one end of the dirt box The vacuum ejector is connected to by pipeline, the other end of the dirt box is balanced by pipeline communication in the control room to be led to Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720303255.4U CN206708505U (en) | 2017-03-27 | 2017-03-27 | Vacuum operated valve and vacuum closet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720303255.4U CN206708505U (en) | 2017-03-27 | 2017-03-27 | Vacuum operated valve and vacuum closet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708505U true CN206708505U (en) | 2017-12-05 |
Family
ID=60467415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720303255.4U Expired - Fee Related CN206708505U (en) | 2017-03-27 | 2017-03-27 | Vacuum operated valve and vacuum closet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708505U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081210A (en) * | 2019-04-30 | 2019-08-02 | 浙江师范大学 | A kind of gas-liquid delivery negative pressure magnetic strength control combination valve and its control method |
| CN113799825A (en) * | 2021-09-29 | 2021-12-17 | 山东中车华腾环保科技有限公司 | Vacuum keeps control valve and vacuum collection just system |
-
2017
- 2017-03-27 CN CN201720303255.4U patent/CN206708505U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081210A (en) * | 2019-04-30 | 2019-08-02 | 浙江师范大学 | A kind of gas-liquid delivery negative pressure magnetic strength control combination valve and its control method |
| CN110081210B (en) * | 2019-04-30 | 2023-12-08 | 浙江师范大学 | Negative pressure magnetic force pneumatic control composite valve for gas-liquid mixed transportation and control method thereof |
| CN113799825A (en) * | 2021-09-29 | 2021-12-17 | 山东中车华腾环保科技有限公司 | Vacuum keeps control valve and vacuum collection just system |
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