CN215929217U

CN215929217U - Integrated functional valve

Info

Publication number: CN215929217U
Application number: CN202122293660.1U
Authority: CN
Inventors: 蒋云翔; 刘昊楠
Original assignee: Tibet Youyang Health Technology Co ltd
Current assignee: Tibet Youyang Health Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-01
Anticipated expiration: 2031-09-18

Abstract

The application discloses integrated functional valve, this integrated functional valve includes: the device comprises a valve seat, an emptying valve, a balance valve and a breathing valve; the valve seat is used for being installed on a liquid oxygen storage tank, and an emptying pipeline and an air using pipeline are arranged in the valve seat; the emptying valve is fixed on the valve seat, the first end of the emptying pipeline is communicated with the emptying valve, and the second end of the emptying pipeline is used for being communicated with a gas phase area in the liquid oxygen storage tank; the balance valve with the breather valve all sets firmly on the disk seat, the oxygen export of balance valve with the inlet end intercommunication of breather valve, the first end of gas pipeline be used for with the inside intercommunication of liquid oxygen storage tank, the second end with the inlet end intercommunication of balance valve. This application has realized optimizing the overall arrangement of a plurality of functional valves, improves the integrated level of functional valve, and the user of being more convenient for carries out the technological effect that uses, and then has solved the functional valve overall arrangement of liquid oxygen storage tank in the correlation technique in a jumble, and the integrated level is lower, awkward problem.

Description

Integrated functional valve

Technical Field

The application relates to the technical field of valves, in particular to an integrated functional valve.

Background

For the liquid oxygen storage tank, liquid oxygen is required to be gasified and discharged for use during use, the inside is decompressed, and the inside air is discharged during filling. Therefore, a plurality of valves are required to be arranged on the liquid oxygen storage tank to realize control of different functions. At present, all adopt solitary functional valve to use on the liquid oxygen storage tank, can install different functional valves in the different positions of storage tank, lead to the valve overall arrangement to be mixed and disorderly, the integrated level is lower, and it is inconvenient to use.

Aiming at the problems of disordered layout, low integration level and inconvenient use of functional valves of a liquid oxygen storage tank in the related technology, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides an integrated functional valve to solve the functional valve overall arrangement of liquid oxygen storage tank in the correlation technique and be mixed and disorderly, the integrated level is lower, awkward problem.

In order to achieve the above object, the present application provides an integrated function valve including: the device comprises a valve seat, an emptying valve, a balance valve and a breathing valve; wherein the content of the first and second substances,

the valve seat is used for being installed on the liquid oxygen storage tank, and an emptying pipeline and an air using pipeline are arranged in the valve seat;

the emptying valve is fixed on the valve seat, the first end of the emptying pipeline is communicated with the emptying valve, and the second end of the emptying pipeline is used for being communicated with a gas phase area in the liquid oxygen storage tank;

the balance valve with the breather valve all sets firmly on the disk seat, the oxygen export of balance valve with the inlet end intercommunication of breather valve, the first end of gas pipeline be used for with the inside intercommunication of liquid oxygen storage tank, the second end with the inlet end intercommunication of balance valve.

Furthermore, the breather valve comprises a pulse breathing channel and a direct-current breathing channel which are communicated with the air outlet end of the balance valve, and the pulse breathing channel and the direct-current breathing channel are respectively provided with a pulse adjusting piece and a direct-current adjusting piece;

the pulse adjusting piece and the direct current adjusting piece are respectively used for adjusting the opening and closing of the pulse breathing channel and the direct current breathing channel.

Further, the balance valve comprises a balance valve body fixedly arranged on the valve seat, a first channel is arranged in the balance valve body, a first end of the first channel is communicated with a second end of the gas pipeline, and a second end of the first channel is communicated with a gas inlet end of the breather valve;

the valve body is further provided with a plurality of pressure relief channels, the pressure relief channels are connected in parallel to the first channel, each pressure relief channel is internally provided with a pressure relief mechanism, and the pressure relief mechanisms can open the corresponding pressure relief channels to relieve pressure under different pressure conditions.

Further, the purge valve includes: the air release valve body, the air rod, the pressure release handle and the sealing assembly are arranged; wherein the content of the first and second substances,

the emptying valve body is fixedly arranged on the valve seat, a valve cavity is arranged in the emptying valve body, an air inlet communicated with the first end of the emptying pipeline is arranged at the lower end of the valve cavity, and an air guide pipe is communicated with one side of the valve cavity;

the air rod is arranged in the valve cavity and can move along the axial direction of the valve cavity, and the sealing assembly is arranged in the valve cavity and sleeved on the air rod so as to enable the valve cavity and the air guide pipe to be in a sealing state;

the upper end of the air rod extends out of the valve cavity, the pressure relief handle comprises a cam rotating part, and the cam rotating part is abutted to the upper end of the air rod;

and the gas rod is sleeved with a return spring.

Further, the valve cavity is sequentially provided with a main cavity, a primary sealing cavity and a secondary sealing cavity from bottom to top; the diameters of the main cavity, the primary sealing cavity and the secondary sealing cavity are gradually reduced;

the air inlet is arranged at the lower end of the main cavity, and the air guide pipe is communicated with the secondary sealing cavity.

Further, the sealing assembly comprises a primary sealing element arranged at the upper end of the main cavity and a secondary sealing element arranged at the upper end of the primary sealing cavity; the first-stage sealing element and the second-stage sealing element are fixedly sleeved on the gas rod.

The gas compression device further comprises a gas compression cap sleeved at the lower end of the gas rod, the ring side of the gas compression cap is fixedly connected with the main cavity, and the gas rod is connected with the gas compression cap in a sliding manner;

the air pressing cap is provided with an air vent communicated with the upper part and the lower part of the main cavity; the return spring is arranged between the primary sealing element and the compressed air cap.

Furthermore, a filling pipeline is further arranged in the valve seat, the first end of the filling pipeline is used for being communicated with a filling pipe of the liquid oxygen storage tank, and the second end of the filling pipeline is used for being connected with a filling valve.

Furthermore, the gas pipeline, the valve seat, the balance valve body and the breather valve are all made of high-thermal-conductivity materials.

Furthermore, the gas pipeline, the valve seat, the balance valve body and the breather valve are all made of aviation aluminum.

In the embodiment of the application, a valve seat, an emptying valve, a balance valve and a breather valve are arranged; the valve seat is used for being installed on the liquid oxygen storage tank, and an emptying pipeline and an air using pipeline are arranged in the valve seat; the emptying valve is fixed on the valve seat, the first end of the emptying pipeline is communicated with the emptying valve, and the second end of the emptying pipeline is used for being communicated with a gas phase area in the liquid oxygen storage tank; balance valve and breather valve all set firmly on the disk seat, the oxygen export of balance valve and the inlet end intercommunication of breather valve, the first end of using the gas pipeline be used for with the inside intercommunication of liquid oxygen storage tank, the inlet end intercommunication of second end and balance valve, integrated atmospheric valve has been reached on a disk seat, the balance valve, breather valve and atmospheric valve and use the purpose of gas pipeline, thereby realized the overall arrangement of optimizing a plurality of functional valves, improve the integrated level of functional valve, the more technical effect that the user of being convenient for used, and then the functional valve overall arrangement of liquid oxygen storage tank is mixed and disorderly among the correlation technique has been solved, the integrated level is lower, awkward problem.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic diagram of a top view configuration according to an embodiment of the present application;

FIG. 2 is a schematic diagram of an axial structure according to an embodiment of the present application;

FIG. 3 is a schematic diagram of the structure of an evacuation valve according to an embodiment of the present application;

FIG. 4 is a schematic diagram of an axial structure of an evacuation valve according to an embodiment of the present application;

the air compressor comprises a 26 pressure relief handle, a 261 cam rotating part, a 27 valve body, a 28 valve cavity, a 281 main cavity, a 282 primary sealing cavity, a 283 secondary sealing cavity, a 29 secondary sealing element, a 30 convex ring, a 31 vent hole, a 32 air compression cap, a 33 return spring, a 34 air rod, a 35 annular groove, a 36 primary sealing element, a 37 air guide pipe, a 44 valve seat, a 45 balance valve, a 46 breather valve, a 47 air pipeline, a 48 emptying valve and a 49 emptying pipeline.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.

In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 4, an embodiment of the present application provides an integrated function valve, including: valve seat 44, blow valve 48, balancing valve 45 and breather valve 46; wherein the content of the first and second substances,

the valve seat 44 is used for being installed on a liquid oxygen storage tank, and an emptying pipeline 49 and an air using pipeline 47 are arranged in the valve seat 44;

an air release valve 48 is fixed on the valve seat 44, and a first end of an air release pipeline 49 is communicated with the air release valve 48, and a second end of the air release pipeline is used for being communicated with a gas phase area in the liquid oxygen storage tank;

the balance valve 45 and the breather valve 46 are both fixedly arranged on the valve seat 44, an oxygen outlet of the balance valve 45 is communicated with an air inlet end of the breather valve 46, a first end of an air pipeline 47 is used for being communicated with the interior of the liquid oxygen storage tank, and a second end of the air pipeline is communicated with an air inlet end of the balance valve 45.

In this embodiment, the integrated function valve is mainly composed of a valve seat 44, a release valve 48, a balance valve 45 and a breather valve 46, wherein the valve seat 44 is fixed on the liquid oxygen storage tank in use, for example, is installed at the upper end of the liquid oxygen storage tank. The release valve 48, the balance valve 45 and the breather valve 46 are functional valves fixed on the valve seat 44, and when the valve seat 44 is fixed on the liquid oxygen storage tank, the release valve 48, the balance valve 45 and the breather valve 46 are also synchronously fixed on the liquid oxygen storage tank. In this embodiment, the vent valve 48 is used to vent the air inside when filling the liquid oxygen tank with liquid oxygen, so that the vent valve 48 is connected to the vent line 49 in the valve seat 44, and when the valve seat 44 is mounted on the liquid oxygen tank, the vent line 49 is synchronously in communication with the gas phase region in the liquid oxygen tank.

The balance valve 45 is used for adjusting the pressure in the liquid oxygen storage tank, and the pressure in the liquid oxygen storage tank is mainly generated by oxygen pressure accumulation exerted by liquid oxygen, so that the pressure is adjusted in a mode that a pressure relief part of the balance valve 45 is opened to relieve pressure when a set condition is reached, and the internal pressure of the liquid oxygen storage tank is balanced. Therefore, the balancing valve 45 is connected to the gas line 47, and the gas line 47 is simultaneously connected to the inside of the liquid oxygen tank when the valve seat 44 is mounted. The balance valve 45 is used for adjusting the pressure when the internal pressure of the liquid oxygen storage tank is too high, and when the internal pressure is stable, the gas generated by the volatilization of the liquid oxygen can enter the breather valve 46 through the balance valve 45, and the user can use the oxygen through the breather valve 46.

In this embodiment, all integrate three functional valves commonly used with the pipeline that corresponds on same disk seat 44 with the liquid oxygen storage tank, integrated atmospheric valve 48 on a disk seat 44 promptly, balanced valve 45, breather valve 46 and atmospheric line 49 and with gas pipeline 47, thereby the overall arrangement of optimizing a plurality of functional valves has been realized, the integration level of functional valve is improved, the more be convenient for user carries out the technological effect that uses, and then the functional valve overall arrangement of liquid oxygen storage tank is mixed and disorderly among the correlation technique has been solved, the integration level is lower, awkward problem.

As shown in fig. 1 to 4, the breather valve 46 includes a pulse breather channel and a direct-flow breather channel communicated with the air outlet end of the balance valve 45, and the pulse breather channel and the direct-flow breather channel are respectively provided with a pulse adjusting piece and a direct-flow adjusting piece;

the pulse regulating piece and the direct current regulating piece are respectively used for regulating the opening and closing of the pulse breathing channel and the direct current breathing channel.

Specifically, it should be noted that the breathing valve 46 includes two usage modes, namely a pulse mode and a direct current mode, the pulse mode is to discharge oxygen according to the breath of the user, and the pulse mode can be realized by a structure that a vacuum membrane is installed in the pulse breathing channel, and the consumption of oxygen can be greatly reduced. The direct current mode is that oxygen is discharged outwards all the time and is not limited by the respiration of a user, and the structure of the direct current mode is simpler compared with the pulse mode, and only a through direct current respiration channel is needed. In this embodiment, the output mode of the breather valve 46 can be selected by the user, and the mode can be selected by using the pulse adjusting member and the direct current adjusting member to select the desired oxygen discharging mode, so that the use is more flexible.

As shown in fig. 1 to 4, the balance valve 45 includes a balance valve 45 body 27 fixed on the valve seat 44, a first channel is disposed in the balance valve 45 body 27, a first end of the first channel is communicated with a second end of the gas pipeline 47, and a second end of the first channel is communicated with a gas inlet end of the breather valve 46;

the valve body 27 is further provided with a plurality of pressure relief channels, the pressure relief channels are connected in parallel to the first channel, a pressure relief mechanism is arranged in each pressure relief channel, and different pressure relief mechanisms can open the corresponding pressure relief channels to relieve pressure under different pressure conditions.

Specifically, it should be noted that the equalization valve 45 is comprised of the body 27 of the equalization valve 45 and the first passage and the pressure relief passage initially within the body 27 of the equalization valve 45. When the pressure in the liquid oxygen storage tank meets the use requirement, the oxygen volatilized by the liquid oxygen can directly enter the breather valve 46 through the first passage. And when the too big pressure release that needs of pressure, then the pressure release mechanism on each pressure release passageway of accessible carries out the pressure release, and pressure release mechanism can be for the spring with the gasket constitution here, and spring and gasket are all installed in pressure release passageway, and under conventional state, the gasket can support the export at pressure release passageway tightly under the spring action for it is sealed between pressure release passageway and the first passageway. When the pressure in the first channel is overlarge, the air pressure pushes the sealing sheet and compresses the spring, so that the pressure relief channel is communicated with the first channel, and oxygen can be discharged through the pressure relief channel to be relieved.

As shown in fig. 3 to 4, the purge valve 48 includes: a vent valve body, air stem 34, pressure relief handle 26 and seal assembly; wherein the content of the first and second substances,

the emptying valve body is fixedly arranged on the valve seat 44, a valve cavity 28 is arranged in the emptying valve body, the lower end of the valve cavity 28 is provided with an air inlet communicated with the first end of the emptying pipeline, and one side of the valve cavity 28 is communicated with an air guide pipe 37;

the air rod 34 is arranged in the valve cavity 28 and can move along the axial direction of the valve cavity 28, and the sealing component is arranged in the valve cavity 28 and sleeved on the air rod 34 so as to enable the valve cavity 28 and the air guide pipe 37 to be in a sealing state;

the upper end of the air rod 34 extends out of the valve cavity 28, the pressure relief handle 26 comprises a cam rotating part 261, and the cam rotating part 261 is abutted with the upper end of the air rod 34;

the gas rod 34 is sleeved with a return spring 33.

The valve cavity 28 is arranged in the valve body 27 along the axial direction, the air rod 34 is arranged in the valve cavity 28 of the valve body 27, and the air rod 34 can linearly move, such as up-and-down movement, in the valve cavity 28 along the axial direction of the valve body 27. The air inlet is arranged at the lower end of the valve cavity 28, and when the emptying valve is installed on the liquid oxygen storage tank, the air inlet of the valve cavity 28 is communicated with the inside of the liquid oxygen storage tank, so that the gas in the liquid oxygen storage tank can move to the lower end of the valve cavity 28. One side of the valve cavity 28 is communicated with a gas duct 37 for discharging the gas entering the valve cavity 28 from the gas duct 37. Since the liquid oxygen storage tank is required to be in a sealed state when in use, a sealing assembly is sleeved on the air rod 34 in the embodiment, and when the emptying valve is not required to be opened, the sealing assembly is located at a position which enables the position between the valve cavity 28 and the air guide pipe 37 to be in a sealed state.

Because the sealing component is fixedly sleeved on the air rod 34, the sealing component can synchronously move along with the air rod 34. In this embodiment, the downward movement of the air lever 34 is realized by the action of the pressure release handle 26, specifically, the pressure release handle 26 includes a cam rotation portion 261 and a handle portion, and the cam rotation portion 261 and the handle portion are integrally formed. Cam rotating portion 261 accessible round pin axle rotates the upper end of locating valve body 27, the upper end of gas pole 34 extends valve body 27 and is contradicted with cam rotating portion 261 and be connected, because the structural feature of cam rotating portion 261, when cam rotating portion 261 is rotatory under the exogenic action, can jack-up gas pole 34 downwards, make gas pole 34 downstream in valve chamber 28, thereby drive seal assembly synchronous downstream, break away from originally and keep the sealed position of encapsulated situation, air duct 37 this moment, just be in the connected state between valve chamber 28 and the liquid oxygen storage tank, the gas that is located the liquid oxygen storage tank is convenient for discharge from air duct 37.

In order to improve the sealing performance of the sealing assembly and the resetting after emptying, in this embodiment, a return spring 33 is further sleeved on the air rod 34, the return spring 33 can apply pressure to the sealing assembly to enable the sealing assembly to be tightly pressed at the sealing position, and the return spring 33 is compressed again after the air rod 34 moves downwards, so that when the cam rotating part 261 rotates backwards, the air rod 34 can automatically move upwards and reset under the action of the return spring 33. In order to make the cam rotating portion 261 continuously apply a pressing force to the air lever 34 after the rotation, a check portion is further provided on the cam rotating portion 261, that is, when no external force is applied, the cam rotating portion 261 is prevented from being directly returned by the return spring 33. Specifically, the check portion may be formed by a corner on the cam rotating portion 261.

As shown in fig. 3 to 4, the valve cavity 28 is sequentially provided with a main cavity 281, a primary seal cavity 282 and a secondary seal cavity 283 from bottom to top; the diameters of the main chamber 281, the primary seal chamber 282 and the secondary seal chamber 283 are gradually reduced;

the air inlet is arranged at the lower end of the main cavity 281, and the air duct 37 is communicated with the secondary sealing cavity 283.

Specifically, it should be noted that the gas rod 34 passes through the main chamber 281, the primary seal chamber 282 and the secondary seal chamber 283 in sequence, and extends out of the upper end of the valve body 27 after passing through the secondary seal chamber 283, and the gas enters the secondary seal chamber 283 and then is discharged from the gas guide pipe 37. Because the upper end of the valve body 27 is used as the mounting position of the driving part of the air rod 34, the air duct 37 is mounted on the side surface of the secondary sealing cavity 283, and the overall volume of the structure can be reduced while reasonable structural layout can be realized.

As shown in fig. 1-2, the seal assembly includes a primary seal 36 disposed at an upper end of the primary chamber 281 and a secondary seal 29 disposed at an upper end of the primary seal chamber 282; the primary sealing element 36 and the secondary sealing element 29 are fixedly sleeved on the air rod 34.

Specifically, it should be noted that, in order to improve the sealing performance of the valve body 27, the sealing assembly in this embodiment is composed of a primary sealing element 36 and a secondary sealing element 29, and both the primary sealing element 36 and the secondary sealing element 29 are fixedly sleeved on the air rod 34. The valve body 27 has double sealing through the arrangement of the primary sealing member 36 and the secondary sealing member 29, so that the gas sealing pressure can reach 0.5-0.8 mpa. A vent gap is provided between the ring side of the primary seal 36 and the primary chamber 281, and between the ring side of the secondary seal 29 and the primary seal chamber 282, in which gas can flow, the end faces of the primary seal 36 and the secondary seal 29 sealing.

To facilitate the installation of the primary seal 36 and the secondary seal 29, the upper portion of the gas rod 34 is provided with a protruding ring 30, the upper end of the primary seal 36 abuts against the lower end of the protruding ring 30, and the lower end of the secondary seal 29 abuts against the upper end of the protruding ring 30. The primary seal 36 and the secondary seal 29 are both interference fit with the gas rod 34.

As shown in fig. 1 to 2, the air compressing device further comprises an air compressing cap 32 sleeved at the lower end of the air rod 34, the ring side of the air compressing cap 32 is fixedly connected with the main cavity 281, and the air rod 34 is slidably connected with the air compressing cap 32;

the air pressure cap 32 is provided with a vent hole 31 communicating the upper part and the lower part of the main cavity 281; a return spring 33 is disposed between the primary seal 36 and the displacer cap 32.

Specifically, it should be noted that the air compressing cap 32 is disposed in an annular shape and fixed at the lower portion of the air rod 34, the air compressing cap 32 is fixedly connected to the inner wall of the main cavity 281, the air rod 34 can freely slide in the air compressing cap 32, so that the air flows conveniently, the air compressing cap 32 is provided with a vent hole 31, the upper portion and the upper portion of the air compressing cap 32 are communicated through the vent hole 31, and the vent holes 31 can be circumferentially disposed in a plurality. Meanwhile, the installation of the return spring 33 is facilitated through the air compression cap 32, namely, two ends of the return spring 33 are fixedly connected with the primary sealing element 36 and the air compression cap 32 respectively.

In order to facilitate the installation of the return spring 33, the annular grooves 35 are formed in the upper end of the air compressing cap 32 and the lower end of the primary sealing element 36, and the upper end and the lower end of the return spring 33 are respectively clamped in the corresponding annular grooves 35, so that the offset of the return spring 33 in the movement process can be avoided.

To further improve the sealing of the valve body 27, the primary seal 36 is provided as a hard seal and the secondary seal 29 is provided as a soft seal. The hard sealing piece needs higher leakproofness, can regard as first seal structure, and the hard sealing piece sets up to red copper sealing washer, and soft sealing piece can regard as second seal structure, and soft sealing piece sets up to rubber packing.

Furthermore, in this embodiment, an opening ring is further sleeved on the upper end of the air rod 34, and the opening ring is located in the secondary sealing cavity 283 and at the upper end of the rubber sealing pad.

As shown in fig. 3 to 4, the rubber packing is provided in a tapered or convex shape, and the upper portion thereof extends into the secondary seal cavity 283. The portion of the rubber seal that extends into secondary seal cavity 283 also has a vent gap between the portion of the rubber seal that extends into secondary seal cavity 283 and secondary seal cavity 283, which portion of the structure enhances the structural strength of the rubber seal.

In order to further improve the function integration of the function valve, a filling pipeline is further arranged in the valve seat 44, and a first end of the filling pipeline is used for being communicated with a filling pipe of the liquid oxygen storage tank, and a second end of the filling pipeline is used for being connected with the filling valve. After the two ends of the filling pipeline are connected with the filling pipe and the filling valve in the liquid oxygen storage tank, the liquid oxygen filling of the liquid oxygen storage tank can be realized.

Further, the air pipe 47, the valve seat 44, the balance valve 45, the body 27 and the breather valve 46 are made of high thermal conductivity materials. The temperature can be quickly transferred, so that an efficient heat exchange structure is formed in an integral structure. Specifically, the air pipe 47, the valve seat 44, the balance valve 45, the body 27 and the breather valve 46 are all made of aircraft aluminum.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An integrated function valve, comprising: the device comprises a valve seat, an emptying valve, a balance valve and a breathing valve; wherein the content of the first and second substances,

2. The integrated function valve of claim 1, wherein the breather valve comprises a pulse breathing channel and a direct flow breathing channel communicated with the outlet end of the balancing valve, and a pulse regulating member and a direct flow regulating member are respectively arranged on the pulse breathing channel and the direct flow breathing channel;

3. The integrated function valve of claim 2, wherein the balancing valve comprises a balancing valve body fixed on the valve seat, a first channel is arranged in the balancing valve body, a first end of the first channel is communicated with a second end of the gas using pipeline, and a second end of the first channel is communicated with a gas inlet end of the breather valve;

4. The integrated function valve of claim 1, wherein the blow valve comprises: the air release valve body, the air rod, the pressure release handle and the sealing assembly are arranged; wherein the content of the first and second substances,

and the gas rod is sleeved with a return spring.

5. The integrated function valve of claim 4, wherein the valve chamber is provided with a main chamber, a primary seal chamber and a secondary seal chamber from bottom to top; the diameters of the main cavity, the primary sealing cavity and the secondary sealing cavity are gradually reduced;

6. The integrated function valve of claim 5, wherein the seal assembly includes a primary seal disposed at an upper end of the main chamber and a secondary seal disposed at an upper end of the primary seal chamber; the first-stage sealing element and the second-stage sealing element are fixedly sleeved on the gas rod.

7. The integrated function valve of claim 6, further comprising a compression cap fitted over the lower end of the gas stem, the ring side of the compression cap being fixedly connected to the main chamber, the gas stem being slidably connected to the compression cap;

8. The integrated function valve of any one of claims 1 to 7, wherein a fill line is further disposed within the valve seat, the fill line having a first end for communicating with a fill tube of a liquid oxygen storage tank and a second end for connecting to a fill valve.

9. The integrated function valve of claim 8, wherein the gas line, the valve seat, the balancing valve body and the breather valve are made of high thermal conductivity materials.

10. The integrated function valve of claim 9, wherein the gas line, the valve seat, the balancing valve body, and the breather valve are all fabricated from aircraft aluminum.