CN206555486U - Air bleeding valve, cylinder assembly and air-path control system - Google Patents
Air bleeding valve, cylinder assembly and air-path control system Download PDFInfo
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- CN206555486U CN206555486U CN201720302047.2U CN201720302047U CN206555486U CN 206555486 U CN206555486 U CN 206555486U CN 201720302047 U CN201720302047 U CN 201720302047U CN 206555486 U CN206555486 U CN 206555486U
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Abstract
A kind of air bleeding valve, cylinder assembly and air-path control system, belong to pneumatic control field.The air bleeding valve includes the internal valve body for being provided with valve opening, valve opening is communicated with the first air inlet, the second air inlet and exhaust outlet, provided with the piston that can be moved in the first station and the second station in valve opening, piston closes on the face area of the face area more than second air inlet one end of first air inlet one end；Mutually isolated between the first air inlet, the second air inlet and exhaust outlet when piston is located at the first station, when piston is located at the second station, the first air inlet and the isolation of the second air inlet, the first air inlet and exhaust outlet are isolated, and the second air inlet is connected with exhaust outlet.The air bleeding valve can be used cooperatively with the door pump gas cylinder for controlling door for coach to be opened and closed, when needed gas in quick ejection door pump gas cylinder, so as to manual unlocking door for coach.The utility model additionally provides a kind of cylinder assembly and air-path control system using above-mentioned air bleeding valve.
Description
Technical field
The utility model is related to pneumatic control field, is controlled in particular to a kind of air bleeding valve, cylinder assembly and gas circuit
System.
Background technology
Air-path control system be by control compressed gas selectivity conveying with reach control device operate device, its
It is widely used in engineering equipment and Architectural Equipment, such as existing car and public transit vehicle use air-path control system mostly
Opening/closing door of vehicle is controlled, air-path control system can also be in case of emergency by the inlet chamber gas in the door pump gas cylinder for driving closing of the door
Body is discharged, so that passenger can be escaped with manual unlocking car door.Two three are often used in existing air-path control system
Ventilation way switch (lower abbreviation：Air circuit breaker), two-position three way emergency valve (lower referred to as：Emergency valve) and two-position-five-way solenoid valve match somebody with somebody
Close, to control a pump gas cylinder to realize close door function and be promptly vented, but existing air circuit breaker, emergency valve and two
Position five-way electromagnetic valve in case of emergency, need to cause response speed slower during gas in ejection door pump gas cylinder by speed governing joint,
Need longer time to discharge the residual gas in door pump gas cylinder, it is impossible to meet in emergency circumstances Quick air-discharge will
Ask.
Utility model content
The purpose of this utility model is to provide a kind of air bleeding valve, and it can be used cooperatively with cylinder, quickly discharge cylinder
Inlet chamber gas.
The purpose of this utility model is to provide a kind of cylinder assembly, and it has compact conformation, highly reliable, can be quick
Discharge the advantage of cylinder intake chamber gas.
Another object of the present utility model is to provide a kind of air-path control system, and it can quickly discharge gas when needed
The gas of cylinder inlet chamber.
What embodiment of the present utility model was realized in：
A kind of air bleeding valve, it includes the internal valve body for being provided with valve opening, valve opening be communicated with the first air inlet, the second air inlet and
Provided with the piston that can be moved in the first station and the second station in exhaust outlet, valve opening, piston closes on the end of first air inlet one end
Face area is more than the face area of second air inlet one end；When piston is located at the first station, the first air inlet, the second air inlet
It is mutually isolated between exhaust outlet, when piston is located at the second station, the first air inlet and the isolation of the second air inlet, the first air inlet
Mouth and exhaust outlet isolation, the second air inlet are connected with exhaust outlet.
In the utility model preferred embodiment, valve opening is by the first hole that is coaxially arranged and being sequentially communicated and the second hole group
Diameter into, the first hole is more than the diameter in the second hole, and the first air inlet is connected with the first hole, the second air inlet and exhaust outlet with
Second hole is connected.
In the utility model preferred embodiment, provided with the intermediate cavity connected with the second hole in valve body, exhaust outlet is with
Between chamber connect.
In the utility model preferred embodiment, the second air inlet is connected by the second air admission hole with the second hole, and second
The diameter of air admission hole is less than the diameter in the second hole.
In the utility model preferred embodiment, the face area that piston closes on first air inlet one end is the second air inlet
Between 1.0-1.5 times of the face area of mouth one end.
A kind of cylinder assembly, it includes above-mentioned air bleeding valve and the door pump gas cylinder for controlling opening/closing door of vehicle, air bleeding valve
Second air inlet and door pump gas cylinder have bar cushion chamber or connected without bar cushion chamber.
In the utility model preferred embodiment, air bleeding valve processes integral with door pump gas cylinder.
A kind of air-path control system, it includes compression gas tank, air circuit breaker, magnetic valve, above-mentioned cylinder assembly；Compressed gas
Tank connects the air inlet of air circuit breaker；The gas outlet of air circuit breaker be respectively communicated with magnetic valve air inlet and cylinder assembly first
Air inlet；First gas outlet communicating door pump gas cylinder of magnetic valve has a bar cushion chamber, the second gas outlet communicating door pump of magnetic valve
Cylinder without bar cushion chamber.
In the utility model preferred embodiment, the first gas outlet of magnetic valve and have first is provided between bar cushion chamber
Speed governing joint, the second gas outlet of magnetic valve and without between bar cushion chamber be provided with the second speed governing joint.
In the utility model preferred embodiment, the ventilation aperture of the first speed governing joint and the second speed governing joint is less than the
The ventilation aperture of two air inlets.
The beneficial effect of the utility model embodiment is：The utility model provides a kind of air bleeding valve, and it includes inside and set
Have a valve body of valve opening, valve opening be communicated with the first air inlet, the second air inlet and exhaust outlet, valve opening provided with can in the first station and
The piston of second station movement, piston closes on the end face face of the face area more than second air inlet one end of first air inlet one end
Product；It is mutually isolated between the first air inlet, the second air inlet and exhaust outlet when piston is located at the first station, when piston is located at
During the second station, the first air inlet and the isolation of the second air inlet, the first air inlet and exhaust outlet isolation, the second air inlet and exhaust
Mouth connection.The air bleeding valve can be used cooperatively with cylinder, when needed the gas of quick discharge cylinder intake chamber.The utility model
A kind of cylinder assembly using above-mentioned air bleeding valve is additionally provided, the cylinder assembly is simple and compact for structure, highly reliable, can be quick
Discharge the gas of cylinder intake chamber.The utility model additionally provides a kind of air-path control system, and it has reaction speed fast, can
The advantage of quick discharge cylinder intake chamber gas.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the sectional view that the air bleeding valve that the utility model embodiment 1 is provided is located at the first station in piston；
Fig. 2 is the sectional view that the air bleeding valve that the utility model embodiment 1 is provided is located at the second station in piston；
Fig. 3 is the structural representation for the cylinder assembly that the utility model embodiment 2 is provided；
Fig. 4 is the structural representation for the air-path control system that the utility model embodiment 3 is provided；
Fig. 5 is the structural representation for the air-path control system that the utility model embodiment 4 is provided.
In figure：001- air bleeding valves；002- cylinder assemblies；003- air-path control systems；004- air-path control systems；100- valves
Body；110- valve openings；The holes of 111- first；The holes of 112- second；The air inlets of 120- first；The air inlets of 130- second；The air inlets of 131- second
Hole；140- exhaust outlets；150- intermediate cavities；200- pistons；201- piston boss；300- pump gas cylinders；400- compression gas tanks；500-
Air circuit breaker；600- magnetic valves；610- the first speed governing joints；620- the second speed governing joints；The outer emergency valve of 700- cars；710- is in-car
Emergency valve.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation, the orientation or position relationship of the instruction such as term " interior ", " outer " in description of the present utility model
For based on orientation shown in the drawings or position relationship, or the orientation or position that the utility model product is usually put when using
Relation, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.This
Outside, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally connected；Can be with
It is mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of individual element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in this reality
With the concrete meaning in new.
Embodiment 1
It refer to shown in Fig. 1 and Fig. 2, the present embodiment provides a kind of air bleeding valve 001, it includes inside and is provided with valve opening 110
Valve body 100, valve opening 110 is communicated with the first air inlet 120, the second air inlet 130 and exhaust outlet 140, provided with can be in valve opening 110
First station and the piston 200 of the second station movement, the face area that piston 200 closes on the one end of the first air inlet 120 are more than the
The face area of the one end of two air inlet 130；When piston 200 is located at the first station, the first air inlet 120, the second air inlet 130
It is mutually isolated between exhaust outlet 140, when piston 200 is located at the second station, the first air inlet 120 and the second air inlet 130
Isolation, the first air inlet 120 and exhaust outlet 140 are isolated, and the second air inlet 130 is connected with exhaust outlet 140.Specifically, valve opening 110
One end be communicated with the first air inlet 120, the other end is communicated with the second air inlet 130 and exhaust outlet 140, and piston 200 closes on
One end of two air inlets 130 is provided with piston boss 201, is adopted between the end face of piston boss 201 and the end face of the second air admission hole 131
Use flat seal.
The air bleeding valve 001 is used to use cooperatively with cylinder, in case of emergency can quickly discharge the pressure of cylinder intake chamber
Contracting gas.Under conventional sense, when piston 200 is in the first station, because piston 200 closes on the one end of the first air inlet 120
Face area is more than the face area of the one end of the second air inlet 130, although the pressure of piston two ends gas is identical, but piston two ends
The pressure formed by compressed gas is different, and piston 200 is pushed to the one end of the second air inlet 130, and piston closes on the second air inlet
Flat seal state is kept between the end face of 130 one end and the end face of the second air admission hole 131, when needing Quick air-discharge, passes through behaviour
Make air circuit breaker 500 cut off and the two ends of piston 200 of draining compressed gas, now due to the one end of the first air inlet 120 exhaust compared with
It hurry up, and the exhaust of the one end of the second air inlet 130 is slower, piston 200 is different due to two ends exhaust velocity, forms pressure differential, makes piston
200 are moved to the second station from the first station rapidly, and the remaining compressed gas of cylinder is through the second air inlet 130 and exhaust outlet 140
Quick discharge, greatly improves the mass rate of emission of residual gas in cylinder.
Valve opening 110 is made up of the first hole 111 and the second hole 112 coaxially arranged and be sequentially communicated, the diameter in the first hole 111
More than the diameter in the second hole 112, the first air inlet 120 is connected with the first hole 111, the second air inlet 130 and exhaust outlet 140 with
Second hole 112 is connected.Specifically, in the present embodiment, piston 200 includes the first end being adapted with the first hole 111 and the second hole
112 the second adaptable ends.By the first hole 111 and the second hole 112 for setting aperture to be sequentially reduced, piston 200 is kept two
Side pressure is located at by force the first station and prevents gas leakage under the same conditions, and makes the first air inlet 120, the second air inlet 130 and row
Mutually isolated state is between gas port 140, it is ensured that the normal operation of air bleeding valve 001.
Provided with the intermediate cavity 150 connected with the second hole 112 in valve body 100, exhaust outlet 140 is connected with intermediate cavity 150.Specifically
, the intermediate cavity 150 in the present embodiment provided with annular in valve body 100, intermediate cavity 150 and the second hole 112 are coaxially arranged and connect.
By setting in the valve body 100 and the second hole 112 is coaxially arranged and the intermediate cavity 150 that connects, and by exhaust outlet 140 and intermediate cavity
150 connections, pass through the indirect communication valve opening 110 of intermediate cavity 150 and exhaust outlet 140, it is possible to increase when piston 200 is located at the first station
Air-tightness between first air inlet 120 and the second air inlet 130, it is to avoid with the when exhaust outlet 140 is directly connected with valve opening 110
Gas leak phenomenon is produced between two air inlets 130.
Second air inlet 130 is connected by the second air admission hole 131 with the second hole 112, and the diameter of the second air admission hole 131 is less than
Second hole 112.In order to improve exhaust velocity, connected between the second air inlet 130 and the second hole 112 by the second air admission hole 131,
The ventilation aperture of speed governing joint when the ventilation aperture of second air admission hole 131 is more than normal opening and closing car door.When needing exhaust, from the
When the compressed gas that two air inlets 130 are passed through enters valve opening 110 through the second air admission hole 131, because piston 200 is located at the first air inlet
The ratio of the compressed gas row of 120 one end of mouth is very fast, and the pressure that piston 200 is located at one end end face of the second air inlet 130 is more than rapidly
Piston 200 is located at the end force of the one end of the first air inlet 120, so as to quickly promote piston 200 to be moved to the from the first station
Two stations, make the second air inlet 130 be connected by the second air admission hole 131 with exhaust outlet 140, and compressed gas is from the row of exhaust outlet 140
Go out.
Piston 200 close on the face area of the one end of the first air inlet 120 for 1.0-1.5 times of the face area of the other end it
Between.Specifically, in the present embodiment, the face area that piston 200 closes on the one end of the first air inlet 120 is the face area of the other end
1.2 times.Now the two ends pressure of piston 200 can reach balance when that need not be vented, and enter because piston 200 closes on first
The face area of the one end of gas port 120 is more than the face area of the one end of the second air inlet 130, and piston two ends are formed by compressed gas
Pressure it is different, make piston 200 it is stable be in the first station, keep the first air inlet 120, the second air inlet 130 and exhaust
Mutually isolated state between mouth 140；When needing exhaust, because the two ends exhaust velocity of piston 200 is different, the first air inlet is closed on
The pressure that 120 one end end faces of mouth are formed by compressed gas is formed less than one end end face of the second air inlet 130 by compressed gas
Pressure, piston 200 is quickly moved to the second station from the first station, by compressed gas pass through exhaust outlet 140 quickly discharge.
Piston 200 is connected with each other by the diameter small end of two Y shape arranged opposite to each other pistons and constituted.Piston 200 is arranged opposite to each other
Y-shaped structure compared with O-ring, D-shaped circle etc. by be interference fitted piston running resistance it is small, air pressure more high leakproofness is better；In Y shape
Center portion position is cylinder or the piston boss 201 of cone, and the top surface of piston boss 201 is higher by Y shape top surface, so as to ensure to enter first
When the air inlet 130 of gas port 120 and second is normally passed through compressed gas, what piston 200 was stablized is located at the first station, piston boss
The end face plane sealing of 201 end face and the second air admission hole 131, it is ensured that the air-tightness of air bleeding valve 001, when cutting off the first air inlet
120 and second air inlet 130 compressed gas conveying when, because the two ends exhaust velocity of piston 200 is different, the two ends of piston 200 by
Power is uneven to be moved to the second station from the first station rapidly, and the compressed gas in cylinder that the second air inlet 130 is connected is led to
The second air admission hole 131 is crossed quickly to discharge through exhaust outlet 140.Exhaust outlet 140 is connected with muffler, in the exhaust outlet of air bleeding valve 001
The muffler set at 140 can reduce the noise produced during 001 Quick air-discharge of air bleeding valve.
The air bleeding valve 001 that the present embodiment is provided, the application method of the air bleeding valve 001 is, by the first air inlet of air bleeding valve 001
Mouth 120 connects compressed gas air inlet pipe, the second air inlet 130 connection cylinder of air bleeding valve 001；In normal state, compressed gas
Body is passed through in valve opening 110 by the first air inlet 120, is given piston 200 and is closed on the end pressure of the first air inlet 120 1, is arranged simultaneously
What the second air inlet 130 of air valve 001 was connected with cylinder has bar cushion chamber or without bar cushion chamber, the compressed air having in cylinder
It is passed through by the second air inlet 130 in valve opening 110, and gives piston 200 and close on the end pressure of the second air inlet 130 1, due to work
Plug 200 closes on the face area of the face area more than the one end of the second air inlet 130 of the one end of the first air inlet 120, now piston
200 two ends force unbalance, piston 200 is moved and is in the first station to closing on the one end of the second air inlet 130, the first air inlet
The 120, second air inlet 130 of mouth is not connected mutually with exhaust outlet 140；When needing the compressed gas in quick discharge cylinder, stop
Compressed gas is only provided, and compressed gas air inlet pipe and cylinder interior compressed gas are discharged simultaneously, now cylinder interior is compressed
Gas is less than the mass rate of emission of compressed gas air inlet pipe by the mass rate of emission of speed governing joint, and piston 200 closes on the first air inlet
The pressure that the end face of 120 one end is subject to is less than the pressure that is subject to of end face of its one end of the second air inlet 130, and piston 200 is to closing on
The one end of first air inlet 120 is moved and is in the second station, and the second air inlet 130 is connected with exhaust outlet 140, compressed gas in cylinder
Body is discharged by exhaust outlet 140, improves the mass rate of emission of compressed gas in cylinder.
Embodiment 2
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, the present embodiment provides a kind of cylinder assembly 002, it include air bleeding valve 001 and
Door pump gas cylinder 300 for controlling opening/closing door of vehicle, the second air admission hole 131 of air bleeding valve 001 has bar buffering with door pump gas cylinder 300
Chamber is directly connected without bar cushion chamber, and air bleeding valve 001 processes integral with door pump gas cylinder 300.Specifically, in the present embodiment,
Second air admission hole 131 has bar cushion chamber directly to connect with door pump gas cylinder 300, and the second air inlet of cylinder assembly 130 is not required to install
The passage of gas-tpe fitting, the second air inlet 130 and the second air admission hole 131 one entirety of formation.
Air bleeding valve 001 and door pump gas cylinder 300 are integrally formed casting by this cylinder assembly 002, it is possible to increase equipment it is integrated
Degree, while the second air admission hole 131 of air bleeding valve 001 and door pump gas cylinder 300 has bar cushion chamber directly to connect, it also avoid outside
Portion additionally arranges gas pipeline, reduces failure risk, while in the supply of cut-out compressed gas in emergency circumstances, the air bleeding valve
001 can have door pump gas cylinder 300 by exhaust outlet 140 residual gas in bar cushion chamber quickly to discharge.
Embodiment 3
It refer to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, present embodiments provide a kind of air-path control system 003, it includes pressure
Contracting gas tank 400, air circuit breaker 500, magnetic valve 600 and cylinder assembly 002.
Compression gas tank 400 is used to provide compressed gas to air circuit breaker 500；The connection air circuit breaker 500 of compression gas tank 400
Air inlet.
Air circuit breaker 500 is used for the compressed gas for receiving the offer of compression gas tank 400, and selective by compressed gas
It is output to magnetic valve 600 and cylinder assembly 002；The air inlet that the gas outlet of air circuit breaker 500 is respectively communicated with magnetic valve 600 is gentle
First air inlet 120 of cylinder component 002；
Magnetic valve 600 is used to the compressed gas of receiving being input to cylinder assembly 002, while discharging in cylinder assembly 002
Residual gas；First gas outlet communicating door pump gas cylinder 300 of magnetic valve 600 has bar cushion chamber, and the second of magnetic valve 600 goes out
Gas port communicating door pump gas cylinder 300 without bar cushion chamber.
Cylinder assembly 002 is used to receive the compressed air that air circuit breaker 500 and magnetic valve 600 are inputted, and controls car door
Opening and closing and Quick air-discharge；Cylinder assembly 002 includes air bleeding valve 001 and the door pump gas cylinder 300 for controlling opening/closing door of vehicle, air bleeding valve
001 the second air admission hole 131 has bar cushion chamber to connect with door pump gas cylinder 300.
In the present embodiment, air circuit breaker 500 is two-position three way hand-operated valve, and magnetic valve 600 is two-position-five-way solenoid valve.The gas
Way switch 500 has primary air inlet, main gas outlet and main vent, when the valve rod of the air circuit breaker 500 is located at the first station, gas
The primary air inlet of way switch 500 is connected with main gas outlet, when the valve rod of the air circuit breaker 500 is located at the second station, air circuit breaker
500 main gas outlet is connected with main vent；The magnetic valve 600 has air inlet, the first gas outlet, first row gas port, second
Gas outlet, second exhaust port, when the valve rod of magnetic valve 600 is located at the first station, the air inlet of magnetic valve 600 and the first gas outlet
Connection, the second exhaust port of magnetic valve 600 is connected with the second gas outlet；When the valve rod of the magnetic valve 600 is located at the second station, electricity
The air inlet of magnet valve 600 and the connection of the second gas outlet, the first row gas port of magnetic valve 600 and the connection of the first gas outlet.
The workflow of air-path control system 003 that the present embodiment is provided is：
Under normal circumstances, the valve rod of air circuit breaker 500 is located at the first station, and the primary air inlet of air circuit breaker 500 and master go out
Gas port is connected, and the valve rod of magnetic valve 600 is located at the second station, and the compressed gas input gas circuit that now compression gas tank 400 is provided is opened
It is divided into two-way output after closing 500, wherein the second gas outlet of air inlet of the compressed gas through magnetic valve 600, magnetic valve 600 all the way
Laggard introduction pump gas cylinder 300 drives car door opening without bar cushion chamber, and now door pump gas cylinder 300 has compressed gas in bar cushion chamber
First gas outlet and first row gas port discharge of the body through magnetic valve 600, piston close on the one end of the second air admission hole 131 and door pump gas cylinder
300 have the connection of bar cushion chamber, and the pressure of the end compressed air gradually decreases up to equal with atmospheric pressure；Another road compressed gas
First air inlet 120 of the body through air bleeding valve 001 enters air bleeding valve 001, because piston 200 closes on the one end of the first air inlet 120
Face area is more than the face area of the one end of the second air admission hole 131, and the compressed air pressure of the one end of the first air inlet 120 is more than the
The compressed air pressure of the one end of two air admission hole 131, the two ends force unbalance of piston 200, piston 200 is to closing on the second air admission hole
131 one end are moved and are reliably in the first station, and a pump gas can be now controlled by the stem position of electromagnetic valve for adjusting 600
Cylinder 300 drives opening/closing door of vehicle.
When needing closed door, the valve rod of control magnetic valve 600 is moved to the first station, the air inlet of magnetic valve 600
Connected with the first gas outlet, compressed gas passes through the air inlet of magnetic valve 600, the first gas outlet of magnetic valve 600 and enters pump of geting started
Cylinder 300 has a bar cushion chamber, the driving closing of the door of door pump gas cylinder 300, while door pump gas cylinder 300 has compression in bar cushion chamber
Second air admission hole 131 of the gas through air bleeding valve 001 enters the compressed air pressure phase of air bleeding valve 001, the now two ends of piston 200
Deng, because the face area that piston 200 closes on the one end of the first air inlet 120 is more than the face area of the one end of the second air admission hole 131,
The two ends force unbalance of piston 200, piston 200 is reliably in the first station, while door pump gas cylinder 300 is without residual in bar cushion chamber
Residual air body is discharged through the second gas outlet, second exhaust port.
When needing to reopen car door, the valve rod of control magnetic valve 600 is moved to the second station, and magnetic valve 600 enters
Gas port and the connection of the second gas outlet, compressed gas enter by the air inlet of magnetic valve 600, the second gas outlet of magnetic valve 600
Door pump gas cylinder 300 without bar cushion chamber, the driving car door opening of door pump gas cylinder 300, while door pump gas cylinder 300 has residual in bar cushion chamber
First gas outlet of the residual air body through magnetic valve 600, the first row gas port discharge of magnetic valve 600.
The process that door pump gas cylinder 300 opens and closes car door will not be impacted to air bleeding valve 001.But when car door is closed
When closing, the residual gas in quick ejection door pump gas cylinder 300 is in case of emergency needed, facilitates the manual opening car door by force of passenger
When, the valve rod of control air circuit breaker 500 is moved to the second station, and the main vent of air circuit breaker 500 is connected with main gas outlet, pressure
Contracting gas tank 400 stops providing compressed gas, door pump gas cylinder 300 have compressed gas in bar cushion chamber through magnetic valve 600 first
Gas outlet, the air inlet of magnetic valve 600, the main gas outlet of air circuit breaker 500, the main vent discharge of air circuit breaker 500, simultaneously
Main gas outlet of the compressed gas through air circuit breaker 500, the main exhaust of air circuit breaker 500 in first air inlet 120 of air bleeding valve 001
Mouth discharge, the piston 200 of air bleeding valve 001 closes on one end exhaust velocity of the first air inlet 120 more than the other end, air bleeding valve 001
Piston 200 is moved to the second station from the first station, and door pump gas cylinder 300 has residual gas in bar cushion chamber to pass through air bleeding valve
001 the second air inlet 130, exhaust outlet 140 are discharged.
In the first gas outlet of magnetic valve 600 and have the first speed governing joint 610, magnetic valve 600 are provided between bar cushion chamber
The second gas outlet and without between bar cushion chamber be provided with the second speed governing joint 620.Specifically, in the present embodiment, the first speed governing connects
First 610 and second speed governing joint 620 ventilation aperture be less than the second air admission hole 131 ventilation aperture.The He of first speed governing joint 610
Second speed governing joint 620 can adjust the speed that a pump gas cylinder 300 discharges compressed gas by magnetic valve 600.
The air-path control system 003 that the present embodiment is provided is by adding air bleeding valve 001, using the teaching of the invention it is possible to provide extra compressed gas
Body discharges approach, so as to greatly improve the mass rate of emission of compressed gas in emergency Xiamen pump gas cylinder 300, accelerates visitor
Open Door by Hand speed of the car when meeting with emergency situations, disclosure satisfy that higher safety requirements.
Embodiment 4
Fig. 5 is refer to, the present embodiment 4 provides a kind of air-path control system 004, and the air-path control system 004 is with implementing
Air-path control system 003 in example 3 is roughly the same, and difference is：The air-path control system 004 also includes the outer emergency valve 700 of car
With in-car emergency valve 710, the outer emergency valve 700 of car and in-car emergency valve 710 are the two-position three-way valve controlled manually, air circuit breaker
The air inlet of the 500 outer emergency valve 700 of main gas outlet connection car, the in-car emergency valve 710 of gas outlet connection of the outer emergency valve 700 of car
Air inlet, the first air inlet of the gas outlet of the outer emergency valve 700 of car respectively with the air inlet and cylinder assembly 002 of magnetic valve 600
Mouth 120 is connected.
The air-path control system 004 that the present embodiment is provided is included for passenger actively using the outer He of emergency valve 700 of car of exhaust
In-car emergency valve 710, and emergency valve outside car 700 and in-car emergency valve 710 are series at air circuit breaker 500 and magnetic valve 600, gas
Between cylinder component 002, when in case of emergency needing the residual gas in quick ejection door pump gas cylinder 300, facilitate passenger by force
Operated during opening car door, now passenger can with emergency valve 700 outside active control car or in-car emergency valve 710, by compressed gas from
The exhaust outlet discharge of the exhaust outlet or in-car emergency valve 710 of the outer emergency valve 700 of car, makes the air-path control system 004 in urgent feelings
Have more strains possible under condition, improve security performance.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of air bleeding valve, it is characterised in that it includes the internal valve body for being provided with valve opening, the valve opening is communicated with the first air inlet
Provided with the piston that can be moved in the first station and the second station, the piston in mouth, the second air inlet and exhaust outlet, the valve opening
The face area for closing on described first air inlet one end is more than the face area of second air inlet one end；When the piston is located at institute
It is mutually isolated between first air inlet, second air inlet and the exhaust outlet when stating the first station, when the piston
During positioned at second station, first air inlet and second air inlet isolation, first air inlet and the row
Gas port is isolated, and second air inlet is connected with the exhaust outlet.
2. air bleeding valve according to claim 1, it is characterised in that the valve opening by it is coaxially arranged and be sequentially communicated first
Hole and the second hole composition, the diameter in first hole are more than the diameter in second hole, first air inlet and described first
Hole is connected, and second air inlet and the exhaust outlet are connected with second hole.
3. air bleeding valve according to claim 2, it is characterised in that provided with being connected with second hole in the valve body
Between chamber, the exhaust outlet connects with the intermediate cavity.
4. air bleeding valve according to claim 2, it is characterised in that second air inlet by the second air admission hole with it is described
Second hole is connected, and the diameter of second air admission hole is less than the diameter in second hole.
5. air bleeding valve according to claim 1, it is characterised in that the piston closes on the end of described first air inlet one end
Face area is between 1.0-1.5 times of the face area of second air inlet one end.
6. a kind of cylinder assembly, it is characterised in that it includes air bleeding valve as any one of claim 1-5 and for controlling
The door pump gas cylinder of opening/closing door of vehicle processed, the second air inlet of the air bleeding valve has bar cushion chamber or slow without bar with the door pump gas cylinder
Rush chamber connection.
7. cylinder assembly according to claim 6, it is characterised in that the air bleeding valve is processed into one with the door pump gas cylinder
It is overall.
8. a kind of air-path control system, it is characterised in that it includes compression gas tank, air circuit breaker, such as magnetic valve, claim 6
Described cylinder assembly；The compression gas tank connects the air inlet of the air circuit breaker；The gas outlet difference of the air circuit breaker
Connect the air inlet of the magnetic valve and first air inlet of the cylinder assembly；First gas outlet of the magnetic valve connects
Lead to the door pump gas cylinder has bar cushion chamber, and the second gas outlet of the magnetic valve connects being buffered without bar for the door pump gas cylinder
Chamber.
9. air-path control system according to claim 8, it is characterised in that the first gas outlet of the magnetic valve and described
Have and the first speed governing joint is provided between bar cushion chamber, be provided between the second gas outlet of the magnetic valve and the cushion chamber without bar
Second speed governing joint.
10. air-path control system according to claim 9, it is characterised in that the first speed governing joint and described second
The ventilation aperture of speed governing joint is less than the ventilation aperture of second air inlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302047.2U CN206555486U (en) | 2017-03-24 | 2017-03-24 | Air bleeding valve, cylinder assembly and air-path control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302047.2U CN206555486U (en) | 2017-03-24 | 2017-03-24 | Air bleeding valve, cylinder assembly and air-path control system |
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| CN206555486U true CN206555486U (en) | 2017-10-13 |
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| CN201720302047.2U Active CN206555486U (en) | 2017-03-24 | 2017-03-24 | Air bleeding valve, cylinder assembly and air-path control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206839A (en) * | 2018-11-21 | 2020-05-29 | 上海申龙客车有限公司 | Vehicle door control system and control method for disabling function of external emergency valve |
| CN114197984A (en) * | 2021-12-14 | 2022-03-18 | 江苏财经职业技术学院 | Novel intelligent new forms of energy door pump system for passenger train |
| CN114233961A (en) * | 2021-11-19 | 2022-03-25 | 温岭市物流机械设备有限公司 | Washing machine water injection joint device for testing |
-
2017
- 2017-03-24 CN CN201720302047.2U patent/CN206555486U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206839A (en) * | 2018-11-21 | 2020-05-29 | 上海申龙客车有限公司 | Vehicle door control system and control method for disabling function of external emergency valve |
| CN111206839B (en) * | 2018-11-21 | 2021-06-29 | 上海申龙客车有限公司 | Vehicle door control system and control method for disabling function of external emergency valve |
| CN114233961A (en) * | 2021-11-19 | 2022-03-25 | 温岭市物流机械设备有限公司 | Washing machine water injection joint device for testing |
| CN114233961B (en) * | 2021-11-19 | 2024-01-16 | 温岭市物流机械设备有限公司 | Water injection joint device of washing machine for testing |
| CN114197984A (en) * | 2021-12-14 | 2022-03-18 | 江苏财经职业技术学院 | Novel intelligent new forms of energy door pump system for passenger train |
| CN114197984B (en) * | 2021-12-14 | 2024-01-26 | 江苏财经职业技术学院 | Intelligent new energy passenger car door pump system |
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