CN204300004U - Multifunction integrated valve - Google Patents
Multifunction integrated valve Download PDFInfo
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- CN204300004U CN204300004U CN201420598409.3U CN201420598409U CN204300004U CN 204300004 U CN204300004 U CN 204300004U CN 201420598409 U CN201420598409 U CN 201420598409U CN 204300004 U CN204300004 U CN 204300004U
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- valve
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- emptying
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Abstract
The utility model discloses a kind of multifunction integrated valve, comprise valve body, valve body is provided with inflation inlet for being communicated with air container and air supply opening, described valve body be provided with for be communicated with extraneous source of the gas as air inlet when being inflated to air container by extraneous source of the gas and when air feed outside by air container as the break-make joint of gas outlet, valve inner is provided with total gas circuit of break-make fittings and is communicated with the inflation branch road of total gas circuit and described inflation inlet and the air feed branch road being communicated with total gas circuit and described air supply opening, inflation branch road is provided with the ventilating control valve for controlling to inflate branch road break-make, air feed branch road is provided with the kneel supply cut off valve for controlling air feed branch road break-make.The overall volume of pile-up valve provided by the utility model is little, integration degree is high.
Description
Technical field
The utility model belongs to the air container inflation air feed control element of mechanical field, is specifically related to a kind of multifunction integrated valve.
Background technology
Be applied in the gas components and parts in Aeronautics and Astronautics field, not only have rigors to the weatherability of gas components and parts, reliability, and have strict restriction to the volume of gas components and parts, weight.But existing charge valve for realizing air container and steam supply valve adopt each functional part split to realize mostly, and over all Integration degree is lower, makes whole air supply system bulky, and too much takies limited space resources.
Be disclose a kind of integral bottle valve FOR in the Chinese invention patent application of CN101418910A at publication number, this cylinder valve comprises valve body, valve body have the inflation inlet for being communicated with the gas cylinder of adaptation and air supply opening, the inflation branch road be communicated with inflation inlet is provided with in valve body, one end of inflation branch road is communicated with inflation inlet, the inflatable interface that the other end is then provided with valve body is communicated with, inflation branch road is provided with inflation check valve, the air feed branch road be communicated with air supply opening is also provided with in valve body, one end of air feed branch road is communicated with air supply opening, the other end is then provided with air feed interface with valve body and is communicated with, air feed branch road is respectively equipped with pressure-reducing valve and the magnetic valve for controlling air feed branch road break-make.During inflation, closed electromagnetic valve, air feed branch road disconnects, and is communicated with by gas-charging connection with external high pressure source of the gas, and gases at high pressure are washed inflation check valve open and inflated gas cylinder.During air feed, be communicated with air feed interface by outside gas equipment, magnetic valve is opened, and the gases at high pressure in gas cylinder are discharged through air feed branch road, realize the air feed to outside gas equipment.
But the integrated level of above-mentioned cylinder valve is not high, be respectively arranged with different inflatable interfaces and intake interface thereon, valve body is provided with independent inflation branch road and air feed branch road, so just make whole cylinder valve volume larger, take up room comparatively large, be not suitable for being applied in the limited place of installing space.
Utility model content
The purpose of this utility model is to provide a kind of much higher function i ntegration valve of integration degree having inflation and supply airway dysfunction.
For achieving the above object, the technical scheme of multifunction integrated valve provided by the utility model is: a kind of multifunction integrated valve, comprise valve body, valve body is provided with inflation inlet for being communicated with air container and air supply opening, described valve body be provided with for be communicated with extraneous source of the gas as air inlet when being inflated to air container by extraneous source of the gas and when air feed outside by air container as the break-make joint of gas outlet, valve inner is provided with total gas circuit of break-make fittings and is communicated with the inflation branch road of total gas circuit and described inflation inlet and the air feed branch road being communicated with total gas circuit and described air supply opening, inflation branch road is provided with the ventilating control valve for controlling to inflate branch road break-make, air feed branch road is provided with the kneel supply cut off valve for controlling air feed branch road break-make.
Described valve body is also provided with the evacuation port for being communicated with ambient atmosphere and emptying branch road, emptying branch road one end is communicated with described evacuation port, the other end is communicated in described total gas circuit or be communicated on the inflation branch road between total gas circuit and ventilating control valve or be communicated on the air feed branch road between total gas circuit and kneel supply cut off valve, and emptying branch road is provided with the emptying control valve for controlling emptying branch road break-make.
Described break-make joint is normally closed joint, described ventilating control valve is make high-pressure gas circuit flow to inflation inlet by total gas circuit and the inflation check valve of anti-backflow, described valve body is also provided with for the switching device shifter controlling kneel supply cut off valve and emptying control valve is alternately opened, closed to make pile-up valve to switch in inflation or carry out for gaseity and emptying state.
Described air feed branch road is serially connected with between described kneel supply cut off valve and described air supply opening and makes gases at high pressure flow to total gas circuit by air supply opening and the air feed check valve of anti-backflow, in valve body, be also provided with pressure measurement gas circuit, one end of pressure measurement gas circuit is communicated on the air feed branch road between kneel supply cut off valve and air feed check valve, the other end is communicated with Pressure gauge.
Described kneel supply cut off valve and emptying control valve are armstrong's patent control valve, sealed valve core is respectively equipped with in kneel supply cut off valve and emptying control valve, the back-moving spring sealed is carried out in transmission valve rod and the reset of driving sealed valve core, described switching device shifter comprises rotating and is assemblied on described valve body to control the manual cam that described kneel supply cut off valve and emptying control valve are alternately opened, the rotary centerline of manual cam is parallel with the telescopic direction of described back-moving spring, the bearing of trend of the rotary centerline of manual cam is defined as above-below direction, the sealed valve core of described kneel supply cut off valve and emptying control valve is positioned at below described manual cam, manual cam has the pressure inclined-plane, top for the transmission valve rod top press-fit with described kneel supply cut off valve and emptying control valve extended along the vertical direction, pressure inclined-plane, top has and to overcome action of reset spring power when being positioned at the pressing with corresponding transmission valve rod top of bottom and push up the closedown top splenium driving corresponding sealed valve core to close by corresponding back-moving spring when splenium and superposed and corresponding transmission valve rod top are pressed with opening of driving corresponding sealed valve core to open, described manual cam has for realizing inflate or supply gaseity and emptying state to carry out switching first in rotation process, two working positions, manual cam presses to open kneel supply cut off valve and the transmission valve rod top of emptying control valve is pressed in push up and presses the closedown top splenium on inclined-plane to close to control emptying control valve when the first working position by open top splenium and the transmission valve rod top of kneel supply cut off valve of pushing up pressure inclined-plane, manual cam presses to open emptying control valve and the transmission valve rod top of kneel supply cut off valve is pressed in push up and presses the closedown top splenium on inclined-plane to close to control kneel supply cut off valve when the second working position by open top splenium and the transmission valve rod top of emptying control valve of pushing up pressure inclined-plane.
Described kneel supply cut off valve and emptying control valve are the check valve for preventing high pressure reflow.
Described valve body is provided with off-load air inlet for being communicated with air container and the off-load exhaust outlet for being communicated with ambient atmosphere, valve inner be provided with that two ends are communicated with off-load air inlet and off-load exhaust outlet respectively for emptying air container to make the off-load gas circuit of its urgent off-load, off-load gas circuit is provided with the unloading control valve for controlling off-load gas path on-off.
Usefulness of the present utility model is: the valve body of multifunction integrated valve provided by the utility model is arranged break-make joint, and this break-make joint by total gas circuit respectively with air feed branch road and inflate branch road and be communicated with, during concrete use, extraneous source of the gas is by break-make joint, total gas circuit is communicated with inflation branch road, and then carry out charge operation to the air container being provided with this pile-up valve, and when needing air feed outside by the gas storage gas cylinder being provided with this pile-up valve, the device and the break-make fittings that use gases at high pressure will be needed, air container is by air feed branch road, the outside air feed of total gas circuit, inflation can be realized like this by means of only single break-make joint, air supplying operation, make whole pile-up valve small volume, integration degree is high.
Further, break-make joint is normally closed joint, like this, for reducing total gas circuit mesohigh gas to the impact of each control valve, valve body also arranges emptying branch road, like this can not needing to carry out to inflate, air supplying operation time, can by the high-pressure gas emptying in total gas circuit, and then extend pile-up valve service life, improve pile-up valve security.
Further, ventilating control valve is inflation check valve, is alternately opened by switching device shifter control kneel supply cut off valve and emptying control valve, is closed, and can conveniently be in inflation to pile-up valve or switch between gaseity and emptying state like this.
Further, switching device shifter adopts manual cam to open to the switching controlling kneel supply cut off valve and emptying control valve, cut out, and controls reliable, simple to operation.
Further, air feed branch road arranges pressure measurement gas circuit, can monitor in real time the air pressure of the gases at high pressure in air feed branch road, ensure the effect of outside air feed, simultaneously, be opened at kneel supply cut off valve, when whole pile-up valve is in inflated condition simultaneously, due to air feed branch road arranging air feed check valve, air feed check valve is now closed, pressure measurement gas circuit can be monitored in real time to the air pressure of the gases at high pressure in total gas circuit and inflation branch road, ensures inflation effect.
Further, valve body is also provided with off-load gas circuit, to improve the security of the air container using pile-up valve.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of multifunction integrated valve provided by the utility model;
Fig. 2 is K direction view in Fig. 1;
Fig. 3 is A-A sectional view in Fig. 1;
Fig. 4 is B-B sectional view in Fig. 1;
Fig. 5 is C-C sectional view in Fig. 1;
Fig. 6 is the top view of Fig. 1;
Fig. 7 is D-D sectional view in Fig. 6 (removal switching device shifter);
Fig. 8 is E-E sectional view in Fig. 6 (removal switching device shifter);
Fig. 9 is the schematic diagram of gas circuit in multifunction integrated valve shown in Fig. 1.
Detailed description of the invention
As shown in Figures 1 to 9, a kind of embodiment of multifunction integrated valve, pile-up valve in this embodiment comprises the valve body 1 vertically extended, the top of valve body 1 be provided with for be communicated with extraneous source of the gas as air inlet when being inflated to air container by extraneous source of the gas and when air feed outside by air container as the break-make joint of gas outlet, during concrete use, gas cylinder can be adopted as the air container with pile-up valve adaptation.This break-make joint is normally closed joint 28, valve body is located at the spiral installing hole be communicated with total gas circuit 27 of valve inner, normally closed joint 28 spiral is assemblied in this spiral installing hole, normally closed joint 28 is furnished with sealing gasket 36 to ensure the air-tightness of junction with the junction of valve body 1, and is furnished with between sealing gasket 36 and normally closed joint 28 for preventing large granular impurity from entering filter screen 35 in pile-up valve.
Specifically, there is in the inside of valve body 1 the total gas circuit 27 be communicated with normally closed joint 29, accordingly, valve body 1 being also provided with the inflation inlet 37 for being communicated with the air container of adaptation and air supply opening 11, in valve body 1, being provided with the inflation branch road 26 being communicated with total gas circuit 27 and described inflation inlet 37 and the air feed branch road 15 being communicated with total gas circuit 27 and described air supply opening 11.Be provided with the ventilating control valve controlling inflation branch road 26 break-make at inflation branch road 26, this ventilating control valve is specially and makes gases at high pressure flow to inflation inlet 37 and the inflation check valve 25 of anti-backflow by normally closed joint 28 through total gas circuit 27.Air feed branch road 15 is provided with the kneel supply cut off valve 24 for controlling air feed branch road break-make, in addition, air feed branch road 15 is serially connected with between described kneel supply cut off valve 24 and described air supply opening 11 makes gases at high pressure flow to the air feed check valve 34 of total gas circuit 27 anti-backflow by air supply opening 11.
Because break-make joint adopts normally closed joint, for preventing total gas circuit mesohigh gas on the impact of each control valve, valve body 1 is also provided with the evacuation port for being communicated with ambient atmosphere, be provided with in valve body 1 and be communicated with evacuation port for by emptying branch road 19 emptying for the high pressure gas in total gas circuit 27, one end of emptying branch road 19 is communicated with evacuation port, the other end is communicated with on the inflation branch road 26 between total gas circuit 27 and inflation check valve 25, emptying branch road 19 is provided with the emptying control valve 21 for controlling emptying branch road break-make, this emptying control valve 21 is the check valve can controlledly opening to realize two-way admittance, evacuation port place on emptying branch road 19 is provided with and the gases at high pressure in emptying branch road 19 is discharged and prevents outside atmosphere from entering the check valve 20 of valve inner through emptying branch road.
For ease of pile-up valve correspondence is arranged on the gas cylinder of air container, inflation inlet 11 is arranged on the side of air supply opening 37, air supply opening is herein positioned at the below of inflation inlet, when valve body is arranged on gas cylinder, air supply opening extends into gas cylinder inside, and then can improve outside air feed efficiency.
Emptying control valve 21 herein and kneel supply cut off valve 24 are the check valve at the top being located at valve body 1, and for ease of opening emptying control valve and kneel supply cut off valve, closed condition switches, kneel supply cut off valve 24 is positioned at the side of emptying control valve 21, valve body 1 is also provided with for controlling kneel supply cut off valve 24 and emptying control valve 21 is alternately opened, close make pile-up valve in inflation or supply gaseity and emptying state to carry out the switching device shifter switched, kneel supply cut off valve 24 in the present embodiment and emptying control valve 21 are armstrong's patent control valve, sealed valve core is respectively equipped with in kneel supply cut off valve 24 and emptying control valve 21, the back-moving spring sealed is carried out in transmission valve rod and the reset of driving sealed valve core, switching device shifter comprises rotating and is assemblied on described valve body to control the manual cam 31 that described kneel supply cut off valve and emptying control valve are alternately opened, the rotary centerline of manual cam 31 is parallel with the telescopic direction of described back-moving spring, the bearing of trend of the rotary centerline of manual cam 31 is defined as above-below direction, the sealed valve core of described kneel supply cut off valve 24 and emptying control valve 21 is positioned at below described manual cam 31, manual cam 31 has the pressure inclined-plane, top for the transmission valve rod top press-fit with described kneel supply cut off valve 24 and emptying control valve 21 extended along the vertical direction, pressure inclined-plane, top has and to overcome action of reset spring power when being positioned at the pressing with corresponding transmission valve rod top of bottom and push up the closedown top splenium driving corresponding sealed valve core to close by corresponding back-moving spring when splenium and superposed and corresponding transmission valve rod top are pressed with opening of driving corresponding sealed valve core to open, described manual cam has for realizing inflate or supply gaseity and emptying state to carry out switching first in rotation process, two working positions, ON and OFF position on the corresponding manual cam of two working positions difference, manual cam presses to open kneel supply cut off valve and the transmission valve rod top of emptying control valve is pressed in push up and presses the closedown top splenium on inclined-plane to close to control emptying control valve when the first working position by open top splenium and the transmission valve rod top of kneel supply cut off valve of pushing up pressure inclined-plane, manual cam presses to open emptying control valve and the transmission valve rod top of kneel supply cut off valve is pressed in push up and presses the closedown top splenium on inclined-plane to close to control kneel supply cut off valve when the second working position by open top splenium and the transmission valve rod top of emptying control valve of pushing up pressure inclined-plane.Manual cam in the present embodiment drives by turning handle 32 and rotates.
For monitoring the blowing pressure and the supply gas pressure of gas cylinder 2, be also provided with pressure measurement gas circuit 22 in valve body 1 inside, one end of pressure measurement gas circuit 22 is communicated on the air feed branch road 15 between kneel supply cut off valve 24 and air feed check valve 34, the other end is communicated with Pressure gauge 23.Pressure gauge 23 herein on valve body 1, is provided with hermetically-sealed construction between Pressure gauge 23 and valve body 1 by thread connection.In fact, Pressure gauge 23 herein also plays the effect of the gas pressure detected in gas cylinder 2.Because under normal circumstances, kneel supply cut off valve 24 is in closed condition, and now, high pressure gas cognition in gas cylinder 2 is washed air feed check valve 34 open thus enters in air feed branch road 15 and pressure measurement branch road 22, such Pressure gauge 23 can detect in real time to the gas pressure in gas cylinder, when gas pressure is lower, can inflate gas cylinder in time.
In addition, when needs monitoring the blowing pressure, now kneel supply cut off valve 24 is opened, and gases at high pressure enter in pressure measurement gas circuit 22, but now air feed check valve 34 is not opened.In fact, in other embodiments, if when not needing monitoring the blowing pressure, also air feed check valve can not be arranged, and only be controlled the break-make of air feed branch road by kneel supply cut off valve 24.
Kneel supply cut off valve in the present embodiment and emptying control valve are the check valve for preventing high pressure reflow.
Simultaneously, for improving the security of air container, valve body 1 is provided with off-load air inlet 16 for being communicated with air container and the off-load exhaust outlet for being communicated with ambient atmosphere, valve inner be provided with that two ends are communicated with off-load air inlet and off-load exhaust outlet respectively for emptying air container to make the off-load gas circuit 17 of its urgent off-load, off-load gas circuit is provided with the unloading control valve 18 for controlling off-load gas path on-off, and unloading control valve is herein have the check valve preventing gases at high pressure backflow functionality.
During use, pile-up valve correspondence is arranged on as on the gas cylinder 2 of air container, now, the inflation inlet 11 of pile-up valve, air supply opening 37 and off-load air inlet 16 all with the inner space of the gas cylinder 2 as air container.When inflation or air feed, switching device shifter 3 is switched to ON position i.e. the first working position, opens kneel supply cut off valve 24, now, emptying control valve 21 is closed.During inflation, external high pressure source of the gas is communicated with normally closed joint 27, the gases at high pressure entering total gas circuit 17 enter in gas cylinder 2 through inflation branch road 26, and now, inflation check valve 25 ensures that gases at high pressure flow to air container and prevent it from occurring backflow, simultaneously, part gases at high pressure enter in pressure measurement branch road 22 through kneel supply cut off valve 24, air feed branch road 15, are measured, now by Pressure gauge to inner gas pressure, air feed check valve 34 is in closed condition, ensures normally to inflate.After having inflated, external air source be separated with normally closed joint, switching device shifter 3 be switched to OFF position i.e. the second working position, close kneel supply cut off valve 24, open emptying control valve 21, the gases at high pressure in total gas circuit 27 are drained through emptying branch road 19.During air feed, again switching device shifter 3 is switched to ON position i.e. the first working position, opens kneel supply cut off valve 24, now, emptying control valve 21 is closed, outside gas equipment is communicated with normally closed joint 28, and the gases at high pressure in gas cylinder 2 wash air feed check valve 34 open, enter in outside gas equipment through air feed branch road 15, total gas circuit 27, realize air feed, now, a part of gases at high pressure enter in pressure measurement branch road 22, are measured by Pressure gauge 23 pairs of supply gas pressures.After air feed, rotate switching device shifter 3, switching device shifter 3 is switched to OFF position i.e. the second working position, close kneel supply cut off valve 24, open emptying control valve 21, the gases at high pressure in total gas circuit 27 are drained through emptying branch road 19, then pile-up valve and outside gas equipment are disconnected.And when air container for some reason cannot normal exhaust time, by special tooling, unloading control valve 18 is opened, and then the gases at high pressure in the gas cylinder 2 of air container can be discharged, improve the security of air container.
In the present embodiment, emptying control valve and the kneel supply cut off valve check valve all for being controlled by switching device shifter, switching device shifter adopts mechanical type manual cam structure.In other embodiments, emptying control valve and kneel supply cut off valve also can be magnetic valve, and now, switching device shifter can be electromagnetic switching device, as long as can ensure to switch to inflation or for gaseity and the normal of emptying state.
In the present embodiment, each control valve all adopts check valve, and control valve structure is simple, and make whole pile-up valve small volume, integration degree is high, is conducive to the Miniaturization Design of pile-up valve.
In the present embodiment, the impact that normally closed joint effectively can reduce each gas circuit of outer bound pair pile-up valve content is set, simultaneously, cause remaining in gases at high pressure in total gas circuit to the impact of each control valve for eliminating normally closed joint normally off, valve body arranges emptying branch road to reduce this impact, improve the service life of each control valve, effectively reduce pile-up valve content pressure, effectively extend the service life of whole pile-up valve.
In the present embodiment, because be provided with pressure measurement gas circuit, so need to establish inflation check valve on air feed branch road, in other embodiments, when not needing to monitor inner gas pressure, also inflation check valve can not be set, and only be controlled the break-make of air feed branch road by kneel supply cut off valve.
In the present embodiment, the switched conductive being realized emptying control valve and kneel supply cut off valve by flower cutting device disconnects, and in other embodiments, also can not arrange switching device shifter, and be opened or closed respectively by both Non-follow control, just not have the security of switching device shifter good.
In the present embodiment, one end of emptying branch road is communicated with evacuation port, the other end is communicated in total gas circuit and inflation check valve between inflation branch road on.In other embodiments, the other end of emptying branch road also can be communicated with total gas circuit or be communicated in or be communicated on the air feed branch road between total gas circuit and kneel supply cut off valve.
Claims (7)
1. multifunction integrated valve, comprise valve body, valve body is provided with inflation inlet for being communicated with air container and air supply opening, it is characterized in that: described valve body be provided with for be communicated with extraneous source of the gas as air inlet when being inflated to air container by extraneous source of the gas and when air feed outside by air container as the break-make joint of gas outlet, valve inner is provided with total gas circuit of break-make fittings and is communicated with the inflation branch road of total gas circuit and described inflation inlet and the air feed branch road being communicated with total gas circuit and described air supply opening, inflation branch road is provided with the ventilating control valve for controlling to inflate branch road break-make, air feed branch road is provided with the kneel supply cut off valve for controlling air feed branch road break-make.
2. multifunction integrated valve according to claim 1, it is characterized in that: described break-make joint is normally closed joint, described valve body is also provided with the evacuation port for being communicated with ambient atmosphere and emptying branch road, emptying branch road one end is communicated with described evacuation port, the other end is communicated in described total gas circuit or be communicated on the inflation branch road between total gas circuit and ventilating control valve or be communicated on the air feed branch road between total gas circuit and kneel supply cut off valve, and emptying branch road is provided with the emptying control valve for controlling emptying branch road break-make.
3. multifunction integrated valve according to claim 2, it is characterized in that: described ventilating control valve is make high-pressure gas circuit flow to inflation inlet by total gas circuit and the inflation check valve of anti-backflow, described valve body is also provided with for the switching device shifter controlling kneel supply cut off valve and emptying control valve is alternately opened, closed to make pile-up valve to switch in inflation or carry out for gaseity and emptying state.
4. multifunction integrated valve according to claim 3, it is characterized in that: described kneel supply cut off valve and emptying control valve are armstrong's patent control valve, sealed valve core is respectively equipped with in kneel supply cut off valve and emptying control valve, the back-moving spring sealed is carried out in transmission valve rod and the reset of driving sealed valve core, described switching device shifter comprises rotating and is assemblied on described valve body to control the manual cam that described kneel supply cut off valve and emptying control valve are alternately opened, the rotary centerline of manual cam is parallel with the telescopic direction of described back-moving spring, the bearing of trend of the rotary centerline of manual cam is defined as above-below direction, the sealed valve core of described kneel supply cut off valve and emptying control valve is positioned at below described manual cam, manual cam has the pressure inclined-plane, top for the transmission valve rod top press-fit with described kneel supply cut off valve and emptying control valve extended along the vertical direction, pressure inclined-plane, top has and to overcome action of reset spring power when being positioned at the pressing with corresponding transmission valve rod top of bottom and push up the closedown top splenium driving corresponding sealed valve core to close by corresponding back-moving spring when splenium and superposed and corresponding transmission valve rod top are pressed with opening of driving corresponding sealed valve core to open, described manual cam has for realizing inflate or supply gaseity and emptying state to carry out switching first in rotation process, two working positions, manual cam presses to open kneel supply cut off valve and the transmission valve rod top of emptying control valve is pressed in push up and presses the closedown top splenium on inclined-plane to close to control emptying control valve when the first working position by open top splenium and the transmission valve rod top of kneel supply cut off valve of pushing up pressure inclined-plane, manual cam presses to open emptying control valve and the transmission valve rod top of kneel supply cut off valve is pressed in push up and presses the closedown top splenium on inclined-plane to close to control kneel supply cut off valve when the second working position by open top splenium and the transmission valve rod top of emptying control valve of pushing up pressure inclined-plane.
5. multifunction integrated valve according to claim 4, is characterized in that: described kneel supply cut off valve and emptying control valve are the check valve for preventing high pressure reflow.
6. multifunction integrated valve according to claim 3, it is characterized in that: described air feed branch road is serially connected with between described kneel supply cut off valve and described air supply opening and makes gases at high pressure flow to total gas circuit by air supply opening and the air feed check valve of anti-backflow, in valve body, be also provided with pressure measurement gas circuit, one end of pressure measurement gas circuit is communicated on the air feed branch road between kneel supply cut off valve and air feed check valve, the other end is communicated with Pressure gauge.
7. multifunction integrated valve as claimed in any of claims 1 to 6, it is characterized in that: described valve body is provided with off-load air inlet for being communicated with air container and the off-load exhaust outlet for being communicated with ambient atmosphere, valve inner be provided with that two ends are communicated with off-load air inlet and off-load exhaust outlet respectively for emptying air container to make the off-load gas circuit of its urgent off-load, off-load gas circuit is provided with the unloading control valve for controlling off-load gas path on-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420598409.3U CN204300004U (en) | 2014-10-16 | 2014-10-16 | Multifunction integrated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420598409.3U CN204300004U (en) | 2014-10-16 | 2014-10-16 | Multifunction integrated valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300004U true CN204300004U (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420598409.3U Withdrawn - After Issue CN204300004U (en) | 2014-10-16 | 2014-10-16 | Multifunction integrated valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295552A (en) * | 2014-10-16 | 2015-01-21 | 凯迈（洛阳）气源有限公司 | Multifunctional integrated valve |
-
2014
- 2014-10-16 CN CN201420598409.3U patent/CN204300004U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295552A (en) * | 2014-10-16 | 2015-01-21 | 凯迈（洛阳）气源有限公司 | Multifunctional integrated valve |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20170222 |