CN105465506B - A kind of gas-charging connection - Google Patents
A kind of gas-charging connection Download PDFInfo
- Publication number
- CN105465506B CN105465506B CN201510894808.3A CN201510894808A CN105465506B CN 105465506 B CN105465506 B CN 105465506B CN 201510894808 A CN201510894808 A CN 201510894808A CN 105465506 B CN105465506 B CN 105465506B
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- China
- Prior art keywords
- interface
- pressure inlet
- ring
- airtight
- plug division
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Classifications
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a kind of gas-charging connection, including：First pressure inlet, the second pressure inlet, switching main body；Two are arranged with the centrosymmetric ring-shaped ventilation groove of central shaft and dish type air channel along central shaft in switching main body, even number bar beeline channel is symmetrically provided with by symmetry axis of central shaft, the two ends of beeline channel are connected with ring-shaped ventilation groove and dish type air channel respectively, dish type ventilation groove center is provided with the center drilling connected with first interface, and ring-shaped ventilation groove is connected with second interface；First pressure inlet is provided with central through hole along central shaft, and central through hole is docked close to one end of the first plug division with the center drilling in first interface；Radially Central Symmetry is provided with even number stomata for second plug division, one end and ft connection close to the second head of central shaft hole of the second adapter, and one end close to the second plug division is connected by stomata with ring-shaped ventilation groove.Gas-charging connection is each to the equal self-cancelling of pressure, does not produce axial force and radial load.
Description
Technical field
The present invention relates to a kind of carrier rocket air feed equipment, in particular it relates to for carrier rocket Gas Connector or insert
Pull out a kind of gas-charging connection of connector.
Background technology
The O-ring seals of carrier rocket Gas Connector or plug-in connector gas-charging connection generally use radial seal or end
Surface seal structure, radial seal structure often takes straight-through structure, causes there is axial force, end face seal structure between joint
Can equally there is axial force., will be right when being supplied from ground air supply system by Gas Connector or plug-in connector to rocket
Rocket body produces additional force influence.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of gas-charging connection, rocket body will not both be produced
Additional force, can reduce product weight again, improve carrying capacity.
A kind of gas-charging connection provided according to the present invention, including：First pressure inlet, the second pressure inlet, switching main body；It is described
First pressure inlet, the second pressure inlet, the center overlapping of axles for main body of transferring；
The relative two sides of the switching main body provided with first interface corresponding with the first pressure inlet and with the second pressure inlet pair
Two are arranged with the centrosymmetric ring-shaped ventilation groove of the central shaft along central shaft in the second interface answered, the switching main body
With dish type air channel, even number bar beeline channel, the two of the beeline channel are symmetrically provided with by symmetry axis of the central shaft
End is connected with the ring-shaped ventilation groove and dish type air channel respectively, and the dish type ventilation groove center is provided with what is connected with first interface
Center drilling, the ring-shaped ventilation groove is connected with the second interface；
One end of first pressure inlet is the first head, and the other end is inserted for the first of connection corresponding with the first interface
Socket part, first pressure inlet is provided with central through hole, the one end of the central through hole close to first plug division along central shaft
Docked with the center drilling in the first interface；
One end of second pressure inlet is the second head, and the other end is provided with the second grafting corresponding with the second interface
Portion, radially Central Symmetry is provided with even number stomata for second plug division, and the central shaft hole of second adapter is close to second
The one end on head and ft connection, one end close to the second plug division are connected by the stomata with the ring-shaped ventilation groove.
As a kind of prioritization scheme, first plug division is provided with external screw thread, and the first interface is provided with and described first
The corresponding internal thread of plug division external screw thread, first plug division is threadedly coupled with the first interface.
As a kind of prioritization scheme, the switching main body also includes the first seal washer；First plug division is additionally provided with
Airtight neck corresponding with the annular airtight fastener is provided with the outside of the airtight fastener of annular, the first interface；The annular gas
Close fastener is tightly connected with the airtight neck by compressing the first seal washer formation.
As a kind of prioritization scheme, the switching main body also includes airtight screw and the second seal washer, the switching master
Body is additionally provided with the airtight annular groove connected with the beeline channel, and airtight annular groove is described airtight using the central shaft as symmetrical centre
Screw is tightly connected by the way that second seal washer is compressed into realization to the airtight annular groove.
As a kind of prioritization scheme, the both sides of the stomata vertically are equipped with O-ring on second pressure inlet, institute
Stomata is stated to be tightly connected with the ring-shaped ventilation groove by the O-ring.
Compared with prior art, the present invention has following beneficial effect：
Due to present invention employs the centrosymmetric structure of dish type air channel and ring-shaped ventilation groove, by the first pressure inlet 1
When being inflated to the second pressure inlet 7, gas will not produce axial force and radial load to the first pressure inlet 1 and the second pressure inlet 7, therefore
When being supplied using this scheme to rocket body, on the one hand axial force and radial load will not be produced to rocket body, on the other hand because of product stress
Very little, is conducive to product loss of weight, improves carrying capacity.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it is therefore apparent that drawings in the following description are only some embodiments of the present invention, for ability
For field technique personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.It is attached
In figure：
Fig. 1-2 is a kind of gas-charging connection structural representation in alternative embodiment；
Fig. 3 is the sectional view from C faces in Fig. 2；
Fig. 4 is the sectional view from D faces in Fig. 2；
Fig. 5 is the sectional view from E faces in Fig. 2；
Fig. 6 is the switching independent schematic diagram of main body.
In figure：The pressure inlets of 1- first, the seal washers of 2- first, the airtight screws of 3-, the seal washers of 4- second, 5- switching masters
Body, 6-O shape circles, the pressure inlets of 7- second, 8- first interfaces, 9- second interfaces, 10- ring-shaped ventilation grooves, 11- dish type air channels, 12-
Beeline channel, 13- center drillings, the heads of 14- first, the heads of 15- second, the plug divisions of 16- first, the plug divisions of 17- second, 18-
Central through hole, 19- central shaft holes, 20- stomatas, the airtight fastener of 21- annulars, the airtight necks of 22-, the airtight annular grooves of 23-.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail in the way of specific embodiment.Following examples will be helpful to
Those skilled in the art further understands the present invention, but the invention is not limited in any way.It should be pointed out that may be used also
With the modification using other embodiments, or to embodiment enumerated herein progress structurally and functionally, without departing from this
The scope and spirit of invention.
In a kind of embodiment for gas-charging connection that the present invention is provided, as shown in figure 1, including：First pressure inlet 1, second
Pressure inlet 7, switching main body 5；First pressure inlet 1, the second pressure inlet 7, the center overlapping of axles for main body 5 of transferring；
The relative two sides of the switching main body 5 be provided with the corresponding first interface 8 of the first pressure inlet 1 and with the second pressure inlet
Two are arranged with the centrosymmetric annular of the central shaft along central shaft in 7 corresponding second interfaces 9, the switching main body 5
Air channel 10 (such as Fig. 3) and dish type air channel 11 (such as Fig. 4), such as Fig. 1-4 is symmetrically provided with by symmetry axis of the central shaft
Shown even number bar beeline channel 12, the two ends of the beeline channel 12 respectively with the ring-shaped ventilation groove 10 and dish type air channel
11 connections, the center of dish type air channel 11 is provided with the center drilling 13 that connect with first interface 8, the ring-shaped ventilation groove 10 and
The second interface 9 is connected；
One end of first pressure inlet 1 is the first head 14, the other end for it is corresponding with the first interface 8 connect the
One plug division 16, first pressure inlet 1 is provided with central through hole 18 along central shaft, and the central through hole 18 is inserted close to described first
Docked with the center drilling 13 in the first interface 8 one end of socket part 16；
One end of second pressure inlet 7 is the second head 15, and the other end is provided with and the second interface 9 corresponding second
Plug division 17, radially Central Symmetry is provided with even number stomata 20, the central shaft of second adapter for second plug division 17
The one end and ft connection of hole 19 close to the second head 15, close to the second plug division 17 one end by the stomata 20 with it is described
Ring-shaped ventilation groove 10 is connected.
Gas A from Fig. 1 is passed through the gas-charging connection to B, and gas point partly acts on the first pressure inlet 1, switching main body 5 and
Second pressure inlet 7 it is each to the equal self-cancelling of pressure, do not produce axial force and radial load.
As a kind of embodiment, first plug division 16 is provided with external screw thread, and the first interface 8 is provided with and described first
The corresponding internal thread of the external screw thread of plug division 16, first plug division 16 is threadedly coupled with the first interface 8.
As a kind of embodiment, as shown in figure 1, the switching main body 5 also includes the first seal washer 2；Described first inserts
Socket part 16 is additionally provided with annular airtight fastener 21, and the outside of first interface 8 is provided with and the corresponding gas of the annular airtight fastener 21
Close neck 22；The annular airtight fastener 21 forms airtight with the airtight neck 22 by compressing first seal washer 2
Connection.
As a kind of embodiment, as shown in Figure 1 and Figure 5, the switching main body 5 also includes airtight screw 3 and second and sealed
Packing ring, the switching main body 5 is additionally provided with the airtight annular groove 23 connected with the beeline channel 12, and airtight annular groove 23 is with the center
Axle is symmetrical centre, and the airtight screw 3 is airtight by the way that second seal washer is realized to the airtight compression of annular groove 23
Connection.
As a kind of embodiment, as shown in figure 1, the equal ring in both sides of the stomata 20 vertically on second pressure inlet 7
Provided with O-ring 6, the stomata 20 is tightly connected by the O-ring 6 with the ring-shaped ventilation groove 10.
Due to present invention employs the centrosymmetric structure of dish type air channel 11 and ring-shaped ventilation groove 10, by the first adapter
Mouth 11 to the second pressure inlet 77 inflate when, gas will not produce axial force and radial direction to the first pressure inlet 11 and the second pressure inlet 77
Power, therefore when being supplied using this scheme to rocket body, on the one hand axial force and radial load will not be produced to rocket body, on the other hand because of production
Product stress very little, is conducive to product loss of weight, improves carrying capacity.
Presently preferred embodiments of the present invention is the foregoing is only, those skilled in the art know, do not departing from the essence of the present invention
In the case of refreshing and scope, various changes or equivalent substitution can be carried out to these features and embodiment.In addition, the present invention's
Under teaching, these features and embodiment can be modified to adapt to particular situation and material without departing from the present invention's
Spirit and scope.Therefore, the present invention is not limited to the particular embodiment disclosed, and the right for falling with the application will
Embodiment in the range of asking belongs to protection scope of the present invention.
Claims (4)
1. a kind of gas-charging connection, it is characterised in that including：First pressure inlet, the second pressure inlet, switching main body；Described first connects
Ozzle, the second pressure inlet, the center overlapping of axles for main body of transferring；
The relative two sides of the switching main body is provided with first interface corresponding with the first pressure inlet and corresponding with the second pressure inlet
Two are arranged with the centrosymmetric ring-shaped ventilation groove of the central shaft and disk along central shaft in second interface, the switching main body
Shape air channel, even number bar beeline channel, the two ends point of the beeline channel are symmetrically provided with by symmetry axis of the central shaft
Do not connected with the ring-shaped ventilation groove and dish type air channel, the dish type ventilation groove center is provided with the center connected with first interface
Perforate, the ring-shaped ventilation groove is connected with the second interface；
One end of first pressure inlet is the first head, and the other end is the first grafting of connection corresponding with the first interface
Portion, first pressure inlet along central shaft be provided with central through hole, the central through hole close to first plug division one end with
Center drilling docking in the first interface；
One end of second pressure inlet is the second head, and the other end is provided with the second plug division corresponding with the second interface,
Radially Central Symmetry is provided with even number stomata for second plug division, and the central shaft hole of second adapter is close to the second head
One end and ft connection, connected close to one end of the second plug division by the stomata with the ring-shaped ventilation groove；
The switching main body also includes airtight screw and the second seal washer, and the switching main body is additionally provided with and the beeline channel
The airtight annular groove of connection, airtight annular groove is using the central shaft as symmetrical centre, and the airtight screw is by the way that described second is sealed
Packing ring compresses realization to the airtight annular groove and is tightly connected.
2. a kind of gas-charging connection according to claim 1, it is characterised in that first plug division is provided with external screw thread, institute
First interface is stated provided with internal thread corresponding with first plug division external screw thread, first plug division and the first interface
Threaded connection.
3. a kind of gas-charging connection according to claim 1, it is characterised in that the switching main body also includes the first sealing gasket
Circle；First plug division is additionally provided with the outside of annular airtight fastener, the first interface and is provided with and the annular airtight fastener pair
The airtight neck answered；The annular airtight fastener forms airtight company with the airtight neck by compressing first seal washer
Connect.
4. a kind of gas-charging connection according to claim 1, it is characterised in that the stomata is along axle on second pressure inlet
To both sides be equipped with O-ring, the stomata is tightly connected by the O-ring with the ring-shaped ventilation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894808.3A CN105465506B (en) | 2015-12-07 | 2015-12-07 | A kind of gas-charging connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894808.3A CN105465506B (en) | 2015-12-07 | 2015-12-07 | A kind of gas-charging connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105465506A CN105465506A (en) | 2016-04-06 |
| CN105465506B true CN105465506B (en) | 2017-09-12 |
Family
ID=55603517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510894808.3A Active CN105465506B (en) | 2015-12-07 | 2015-12-07 | A kind of gas-charging connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105465506B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687548B (en) * | 2016-08-05 | 2019-06-28 | 双馀实业股份有限公司 | It revolves and compels the English air tap inflating joint of formula |
| CN109383849A (en) * | 2018-09-19 | 2019-02-26 | 北京航天发射技术研究所 | A kind of ball lock type jointing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1807286C (en) * | 1990-11-06 | 1993-04-07 | В.П.Пронин, Ю.В.Боков и Г.К.Гамаюнов | Quick-release joint of pipe lines |
| JP2001021088A (en) * | 1999-07-07 | 2001-01-26 | Pascal Kk | Rotary joint |
| CN2849403Y (en) * | 2005-11-14 | 2006-12-20 | 吕国荣 | Adjustable airflow and multi-direction rotation joint set |
| CN201177123Y (en) * | 2008-02-04 | 2009-01-07 | 宁波市镇海迈克工具有限公司 | Joint for pipe dredger |
| CN201392729Y (en) * | 2009-04-10 | 2010-01-27 | 平高集团有限公司 | Sulfur hexafluoride transformer gas-filled joint |
| CN202510905U (en) * | 2012-04-01 | 2012-10-31 | 东旭集团有限公司 | Five-way pipe connector applied to air channel system |
-
2015
- 2015-12-07 CN CN201510894808.3A patent/CN105465506B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105465506A (en) | 2016-04-06 |
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