CN110608300A - One-way interface gas circuit replacing device - Google Patents
One-way interface gas circuit replacing device Download PDFInfo
- Publication number
- CN110608300A CN110608300A CN201911038315.4A CN201911038315A CN110608300A CN 110608300 A CN110608300 A CN 110608300A CN 201911038315 A CN201911038315 A CN 201911038315A CN 110608300 A CN110608300 A CN 110608300A
- Authority
- CN
- China
- Prior art keywords
- shell
- pressure valve
- joint
- casing
- interstage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to a one-way interface replacing gas circuit device, which comprises a shell, a pressure valve, a spring and a replacing joint, wherein the shell is provided with a gas inlet and a gas outlet; one end of the shell external thread is connected with the replacing joint internal thread, one end of the shell internal thread is connected with the interstage front end system, and one end of the replacing joint external thread is connected with the interstage propulsion system; the casing be the cavity structure that constitutes by last casing and lower casing, pressure valve setting and axial motion in the cavity of casing, the one end of pressure valve and change and connect between the compression and set up the spring, the pressure valve other end is provided with the ring channel, places the nonmetal ring that has the deflection in the groove, nonmetal ring and casing seal lip contact. The air passages between the three stages of equipment are connected together through the shell and the replacement joint; after the interstage front-end system provides the gas circuit pressure meeting the requirements, the pressure valve pushes, the spring compresses, and the gas circuit system is communicated; when the pressure drops, the device can be automatically closed, and the reliable sealing of the pipeline is ensured.
Description
Technical Field
The invention relates to a one-way interface replacing gas circuit device which is suitable for one-way connection and disconnection of a product gas medium.
Background
In some equipment in the aerospace field, during assembly and flight, gas paths between three levels of equipment need to be conducted and closed in a one-way mode, and the fact that the gas path system of the equipment can be conducted when gas media with required pressure and flow are supplied is guaranteed. This requires that the equipment be kept closed at low pressure, and that the gas circuit system be conducted when the inter-stage gas circuit pressure reaches a required value, while the device needs to be adapted to interfaces of different standards. However, there is no replaceable device that meets the requirement in the prior art.
Disclosure of Invention
Aiming at the problems in the prior art, the invention designs the one-way gas circuit replacing device, and solves the problems of one-way conduction and difficult sealing operation between three stages of equipment in the prior art.
The technical scheme of the invention is as follows:
the one-way interface replacing gas circuit device comprises a shell, a pressure valve, a spring and a replacing joint; one end of the shell external thread is connected with the replacing joint internal thread, one end of the shell internal thread is connected with the interstage front end system, and one end of the replacing joint external thread is connected with the interstage propulsion system; the casing be the cavity structure that constitutes by last casing and lower casing, pressure valve setting and axial motion in the cavity of casing, the one end of pressure valve and change and connect between the compression and set up the spring, the pressure valve other end is provided with the ring channel, places the nonmetal ring that has the deflection in the groove, nonmetal ring and casing seal lip contact.
The pressure valve is of a cavity structure, one end of the pressure valve, which is contacted with the spring, is an opening end, one end of the pressure valve, which is contacted with the shell, is a sealing end, and the side wall of the pressure valve is provided with a gas medium circulation hole.
The sealing end is an integrated structure consisting of a vertical baffle and a transverse baffle, the height of the vertical baffle is greater than the pipe orifice at the joint of the upper shell and the lower shell, and the width of the transverse baffle is less than the pipe orifice at the joint of the upper shell and the lower shell.
And a non-metal sealing ring I is arranged at the joint of the shell and the interstage front end system, and the non-metal sealing ring I forms end face sealing between the shell and the interstage front end system.
The end of the replacement joint connected with the shell is provided with a sealing groove, the nonmetal sealing ring II is embedded into the sealing groove, and the nonmetal sealing ring II forms end face sealing of the shell and the replacement joint.
The replacing joint is of a cavity structure, an inner cavity at one end, connected with the shell, of the replacing joint is a cylindrical cavity, and an inner cavity at one end, connected with the interstage propulsion system, of the replacing joint is a conical surface cavity.
The invention has the following advantages and effects:
the air passages between the three stages of equipment are connected together through the shell and the replacement joint; the pipeline is sealed by the nonmetal sealing ring, so that the pipeline is closed when the interstage butt joint is carried out, no gas is leaked, and no gas passes through; after the interstage front-end system provides gas circuit pressure meeting the requirements, the one-way replaceable interface gas circuit device is pushed by a pressure valve, a spring is compressed, and the gas circuit system is communicated; when the pressure drops, the device can self-closing, ensures that the pipeline is reliably sealed, embodies:
1. the structure is simple, and the applicability is strong;
2. the whole device does not exceed 1kg, and has small volume, light weight and good processability;
3. the adjustment of related interfaces can meet different structures, and standardization and serialization can be realized;
4. the adjusting spring can meet the requirements of gas circuit systems with different pressure values, and generalization can be realized.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the working state of the present invention.
In the figure, 1, a shell, 2, nonmetal sealing rings I and 3, a pressure valve, 4, a spring, 5, nonmetal sealing rings II and 6, a replacement joint, 7, nonmetal rings, 8 and a gas medium circulation hole.
Detailed Description
Examples
As shown in the figure, the one-way replaceable interface air passage device comprises a shell 1, a non-metal sealing ring I2, a pressure valve 3, a spring 4, a non-metal sealing ring II5 and a replacement joint 6; one end of the external thread of the shell 1 is connected with the internal thread of the replacing joint 6, one end of the internal thread of the shell 1 is connected with the interstage front end system, and one end of the external thread of the replacing joint 6 is connected with the interstage propulsion system; the casing be the cavity structure that constitutes by last casing and lower casing, pressure valve 3 sets up in the cavity of casing 1 and axial motion, the one end of pressure valve 3 and change compress between the joint and set up spring 4, the pressure valve 3 other end is provided with the ring channel, places the great nonmetal ring 7 of deflection in the groove, nonmetal ring 7 and the contact of casing 1 seal lip.
The pressure valve 3 is of a cavity structure, one end of the pressure valve 3, which is contacted with the spring 4, is an opening end, one end of the pressure valve 3, which is contacted with the shell 1, is a sealing end, and the side wall of the pressure valve 3 is provided with a gas medium circulation hole.
The sealing end is an integrated structure consisting of a vertical baffle and a transverse baffle, the height of the vertical baffle is greater than the pipe orifice at the joint of the upper shell and the lower shell, and the width of the transverse baffle is less than the pipe orifice at the joint of the upper shell and the lower shell.
And a non-metal sealing ring I2 is arranged at the joint of the shell and the interstage front end system, and the non-metal sealing ring I forms end face sealing between the shell and the interstage front end system.
The one end that change joint and casing be connected be equipped with the seal groove, in non-metallic seal circle II5 embedding seal groove, non-metallic seal circle II formed the casing and changed the end face seal who connects.
The replacing joint is of a cavity structure, an inner cavity at one end, connected with the shell, of the replacing joint is a cylindrical cavity, and an inner cavity at one end, connected with the interstage propulsion system, of the replacing joint is a conical surface cavity.
The invention is suitable for the unidirectional conduction and the sealing of the gas circuit between three stages of some equipment in the field of aerospace, and is arranged at an interstage butt joint part. During normal assembly and flight, the short circuit is kept closed by the invention, and the supply of the gas medium is stopped; when the interstage front end system provides gas pressure meeting the requirements, the one-way interface replacing gas circuit device works, the pressure valve 3 moves axially to realize pipeline conduction, and the gas circuit system is supplied with gas media.
The main working principle of the invention is as follows: when the two-stage connection of the equipment is carried out, the pressure valve 3 is contacted with the sealing lip on the end face of the inner cavity of the shell 1, so that the sealing of the one-way interface replacing gas circuit device is ensured, the gas medium is not supplied, and the gas medium stays in the outer cavity of the shell 1. When the interstage front end system provides gas pressure meeting the requirements, the pressure valve 3 is pushed by gas, meanwhile, the spring 4 is compressed under the action of the pressure valve 3, the one-way port replacing gas circuit device is conducted, the gas circuit system is conducted, and gas media flow through the one-way port replacing gas circuit device to propel the system.
The direction of the arrows in fig. 2 indicates the direction of flow of the gaseous medium.
The above description is the specific embodiment of the present invention and the technical principle applied, and any equivalent transformation based on the technical scheme of the present invention is within the protection scope of the present invention.
Claims (6)
1. The one-way interface replacing gas circuit device is characterized by comprising a shell, a pressure valve, a spring and a replacing joint; one end of the shell external thread is connected with the replacing joint internal thread, one end of the shell internal thread is connected with the interstage front end system, and one end of the replacing joint external thread is connected with the interstage propulsion system; the casing be the cavity structure that constitutes by last casing and lower casing, pressure valve setting and axial motion in the cavity of casing, the one end of pressure valve and change and connect between the compression and set up the spring, the pressure valve other end is provided with the ring channel, places the nonmetal ring that has the deflection in the groove, nonmetal ring and casing seal lip contact.
2. The one-way joint replacement air passage device according to claim 1, wherein the pressure valve is a cavity structure, the end of the pressure valve contacting the spring is an open end, the end of the pressure valve contacting the housing is a closed end, and the side wall of the pressure valve is provided with a gas medium circulation hole.
3. The one-way interface replacing air passage device according to claim 2, wherein the sealing end is an integrated structure formed by a vertical baffle and a horizontal baffle, the vertical baffle is higher than the pipe orifice at the joint of the upper shell and the lower shell, and the horizontal baffle is smaller than the pipe orifice at the joint of the upper shell and the lower shell.
4. The one-way interface replacing air passage device according to claim 1, wherein a non-metallic sealing ring I is arranged at the joint of the shell and the interstage front end system, and the non-metallic sealing ring I forms end face sealing between the shell and the interstage front end system.
5. The one-way joint replacement gas circuit device according to claim 1, wherein a sealing groove is formed at one end of the replacement joint connected with the housing, a non-metal sealing ring II is embedded in the sealing groove, and the non-metal sealing ring II forms an end face seal between the housing and the replacement joint.
6. The one-way replacement interface gas circuit device according to claim 1, wherein the replacement connector is a cavity structure, an inner cavity of one end of the replacement connector connected with the housing is a cylindrical cavity, and an inner cavity of one end of the replacement connector connected with the interstage propulsion system is a conical surface cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911038315.4A CN110608300A (en) | 2019-10-29 | 2019-10-29 | One-way interface gas circuit replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911038315.4A CN110608300A (en) | 2019-10-29 | 2019-10-29 | One-way interface gas circuit replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110608300A true CN110608300A (en) | 2019-12-24 |
Family
ID=68895442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911038315.4A Pending CN110608300A (en) | 2019-10-29 | 2019-10-29 | One-way interface gas circuit replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110608300A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425634A (en) * | 2020-03-26 | 2020-07-17 | 宁波市鄞州亚大汽车管件有限公司 | Gas one-way valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201428887Y (en) * | 2009-04-09 | 2010-03-24 | 新乡平原航空液压设备有限公司 | Quick connector |
| CN202327272U (en) * | 2011-10-24 | 2012-07-11 | 上海磊诺工业气体有限公司 | Rising stem type low-leakage high-sealing valve |
| CN102943906A (en) * | 2012-11-21 | 2013-02-27 | 哈尔滨东安发动机（集团）有限公司 | Check valve device |
| CN203892654U (en) * | 2014-04-29 | 2014-10-22 | 沈阳航天新光集团有限公司 | Low-pressure one-way valve |
| CN206246746U (en) * | 2016-12-01 | 2017-06-13 | 中国人民解放军第五七二一工厂 | A kind of Pneumatic unidirectional controls valve |
| CN211259750U (en) * | 2019-10-29 | 2020-08-14 | 沈阳航天新光集团有限公司 | One-way interface gas circuit replacing device |
-
2019
- 2019-10-29 CN CN201911038315.4A patent/CN110608300A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201428887Y (en) * | 2009-04-09 | 2010-03-24 | 新乡平原航空液压设备有限公司 | Quick connector |
| CN202327272U (en) * | 2011-10-24 | 2012-07-11 | 上海磊诺工业气体有限公司 | Rising stem type low-leakage high-sealing valve |
| CN102943906A (en) * | 2012-11-21 | 2013-02-27 | 哈尔滨东安发动机（集团）有限公司 | Check valve device |
| CN203892654U (en) * | 2014-04-29 | 2014-10-22 | 沈阳航天新光集团有限公司 | Low-pressure one-way valve |
| CN206246746U (en) * | 2016-12-01 | 2017-06-13 | 中国人民解放军第五七二一工厂 | A kind of Pneumatic unidirectional controls valve |
| CN211259750U (en) * | 2019-10-29 | 2020-08-14 | 沈阳航天新光集团有限公司 | One-way interface gas circuit replacing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425634A (en) * | 2020-03-26 | 2020-07-17 | 宁波市鄞州亚大汽车管件有限公司 | Gas one-way valve |
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