CN103277602A - Vacuum tube joint threaded connection component - Google Patents
Vacuum tube joint threaded connection component Download PDFInfo
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- CN103277602A CN103277602A CN2013102624039A CN201310262403A CN103277602A CN 103277602 A CN103277602 A CN 103277602A CN 2013102624039 A CN2013102624039 A CN 2013102624039A CN 201310262403 A CN201310262403 A CN 201310262403A CN 103277602 A CN103277602 A CN 103277602A
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- vacuum tube
- tube joint
- welding
- sealing surface
- seal cage
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Abstract
The invention relates to a vacuum tube joint threaded connection component. The connection component comprises a primary vacuum tube joint, a secondary vacuum tube joint, a fastening nut and a concentric sealing ring. The vacuum tube joint threaded connection component is assembled by welding the primary vacuum tube joint and the secondary vacuum tube joint sleeved with the fastening nut to a to-be-connected vacuum tube respectively through a welding way such as butt welding, socket welding, roll welding, seam welding, and angle welding, then placing the concentric sealing ring, and screwing the fastening nut tightly on the primary vacuum tube joint. As the technical scheme mentioned above is adopted, the high difficulty in the prior art is overcome, the demand of the science and technology progression is satisfied, and better vacuum tube joints are created for an aero-engine. The vacuum tube joint threaded connection component not only fast and simple in production, but is also convenient in maintenance.
Description
Technical field
The invention belongs to the machining field, particularly a kind of vacuum tube joint screwed assembly.
Background technique
In the design of aerospace vehicle engine part, High Temperature High Pressure is the most formidable key parameter always, and motor is to provide the equipment of power, and temperature relates to a lot of high-temp liquids, gas pipeline up to more than 3,000 degrees centigrade, also needs vacuum seal.And so more needing high security and high reliability under exacting terms.On the high-speed aircraft of aerospace vehicle, safety reliability is all very, and the slightest difference will cause catastrophic consequence.Colombia's space shuttle as the U.S. is exactly that the catastrophic failure that causes appears leaking in hydraulic tubing.Common pipe joint just can't satisfy these exacting terms at all.If part can not satisfy usage requirement, will cause the flight safety coefficient of aerospace vehicle low high with maintenance cost.
Summary of the invention
The purpose of this invention is to provide a kind of vacuum tube joint screwed assembly reliable and easy to process that connects under high temperature condition.
A kind of vacuum tube joint screwed assembly, this connection part comprises: main vacuum tube joint, secondary vacuum tube joint, locking nut and concentric seal ring.
Main vacuum tube joint comprises outer tube surface, locking outside thread, welding ends, welding chamber, main cavity, Seal cage and positioning chamber; The locking internal thread engagement of locking outside thread and locking nut; Welding ends and welding chamber and vacuum tube waiting are welded as a whole; Seal ring is positioned at Seal cage with one heart; Positioning chamber is used for the location of main vacuum tube joint and secondary vacuum tube joint.
Secondary vacuum tube joint comprises main cavity, Seal cage, positioning ring, outer tube surface, welding ends and welding chamber; Seal cage is installed concentric seal ring for matching with the Seal cage of main vacuum tube joint; Positioning ring is used for the location of main vacuum tube joint and secondary vacuum tube joint; Welding ends and welding chamber and vacuum tube waiting are welded as a whole.
Locking nut comprises lock chambers, twisting face and locking internal thread; Lock chambers is sleeved on the outer tube surface of secondary vacuum tube joint.The twisting face is hexagon, annular knurl type or circle.
Seal ring comprises inner sealing surface, external sealed face, recessed sealing surface, protruding sealing surface and cross section with one heart; The Seal cage of inner sealing surface and protruding sealing surface and secondary vacuum tube joint is fitted; The Seal cage of external sealed face and recessed sealing surface and main vacuum tube joint is fitted.The cross section be shaped as rectangle, C shape or S shape.
The present invention has been owing to having taked technique scheme, customer service the paramount difficult point of prior art, satisfied the demand of scientific and technological progress, for aeroengine has been created better vacuum tube joint.The present invention not only produces quick and easy, and easy to maintenance.
Description of drawings
Fig. 1 is the structural representation of connection part of the present invention;
Fig. 2 is the structural representation of main vacuum tube joint in the present invention;
Fig. 3 is the structural representation of secondary vacuum tube joint in the present invention;
Fig. 4 is the structural representation of locking nut in the present invention;
Fig. 5 is the structural representation of concentric seal ring in the present invention;
Fig. 6 is the linkage structure schematic diagram of the present invention and vacuum tube to be connected.
Being labeled as in accompanying drawing: 1-master's vacuum tube joint, the secondary vacuum tube joint of 2-, 3-locking nut, the concentric seal ring of 4-, the 5-outer tube surface, 6-locks outside thread, the 7-welding ends, 8-welds the chamber, 9-master's cavity, 10-Seal cage, 11-positioning chamber, 12-master's cavity, the 13-Seal cage, 14-positioning ring, 15-outer tube surface, the 16-welding ends, 17-welds chamber, 18-lock chambers, 19-twisting face, 20-locks internal thread, sealing in 21-
Face, 22-The external sealed face, the recessed sealing surface of 23-, the protruding sealing surface of 24-, 25-cross section, 26-vacuum tube waiting, 27-vacuum tube waiting.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.But not as any limitation of the invention foundation.
As shown in Figure 1, the invention provides a kind of vacuum tube joint screwed assembly, this connection part comprises: main vacuum tube joint 1, secondary vacuum tube joint 2, locking nut 3 and concentric seal ring 4.
As shown in Figure 2, main vacuum tube joint 1 comprises outer tube surface 5, locking outside thread 6, welding ends 7, welds chamber 8, main cavity 9, Seal cage 10 and positioning chamber 11.Locking outside thread 6 meshes with the locking internal thread 20 of locking nut 3; Welding ends 7 and welding chamber 8 and vacuum tube 26 waiting are welded as a whole; Seal ring 4 is positioned at Seal cage 10 with one heart; Positioning chamber 11 is used for the location of main vacuum tube joint 1 and secondary vacuum tube joint 2.
As shown in Figure 3, secondary vacuum tube joint 2 comprises main cavity 12, Seal cage 13, positioning ring 14, outer tube surface 15, welding ends 16 and welds chamber 17.Seal cage 13 is installed concentric seal ring 4 for matching with the Seal cage 10 of main vacuum tube joint 1; Positioning ring 14 is used for the location of main vacuum tube joint 1 and secondary vacuum tube joint 2; Welding ends 16 and welding chamber 17 and vacuum tube 27 waiting are welded as a whole.
As shown in Figure 4, locking nut 3 comprises lock chambers 18, twisting face 19 and locking internal thread 20.Lock chambers 18 is sleeved on the outer tube surface 15 of secondary vacuum tube joint 2; Twisting face 19 can get final product for the shape that 1～12 dihedral, 1～12 spends shape annular knurl type, circle etc. to satisfy arbitrarily the twisting requirement.
As shown in Figure 5, seal ring 4 comprises inner sealing surface 21, external sealed face 22, recessed sealing surface 23, protruding sealing surface 24 and cross section 25 with one heart.Inner sealing surface 21 and protruding sealing surface 24 are fitted with the Seal cage 13 of secondary vacuum tube joint 2; External sealed face 22 and recessed sealing surface 23 are fitted with the Seal cage 10 of main vacuum tube joint 1; The shape in cross section 25 can be rectangle, and the C shape of band compensation, S shape etc.
Be illustrated in figure 6 as the structural representation that the present invention is connected with vacuum tube to be connected.During assembling, secondary vacuum tube joint 2 with main vacuum tube joint 1 and cover upper locking nut 3 adopts the welding manners such as butt welding, SOCKET WELDING, roll welding, seam weldering, fillet welding to be welded on vacuum tube 26 waiting, 27 respectively, put again concentric seal ring 4, tighten locking nut 3 and get final product to main vacuum tube joint 1.
In the present invention, with one heart seal ring 4 is fitted with the Seal cage of main vacuum tube joint 1 and secondary vacuum tube joint 2, tightening locking nut 3 to the locking outside thread 6 of main vacuum tube joint 1 time, compresses concentric seal ring 4 and plays the function of sealing until be out of shape.The material of seal ring 4 can adopt aluminum alloy, titanium alloy, Cuprum alloy, alloyed steel, stainless steel, spring steel and marmem etc. with one heart, best the selection of material is spring steel and marmem, wherein elastic performance and shape-memory have compensating action, coordinate C shape, S shape best results.
Customer service of the present invention the deficiencies in the prior art, satisfied the demand of scientific and technological progress, also created the more reliable vacuum tube joint of quality for aeroengine simultaneously.This vacuum tube joint can satisfy high security and the high reliability that requires under high-temp liquid, gas pipeline equal vacuum air-proof condition.
Claims (7)
1. vacuum tube joint screwed assembly, it is characterized in that: described connection part comprises: main vacuum tube joint (1), secondary vacuum tube joint (2), locking nut (3) and seal ring (4) with one heart.
2. screwed assembly according to claim 1 is characterized in that: described main vacuum tube joint (1) comprises outer tube surface (5), locking outside thread (6), welding ends (7), welding chamber (8), main cavity (9), Seal cage (10) and positioning chamber (11); Locking outside thread (6) meshes with the locking internal thread (20) of locking nut (3); Welding ends (7) and welding chamber (8) are welded as a whole with vacuum tube waiting (26); Seal ring (4) is positioned at Seal cage (10) with one heart; Positioning chamber (11) is used for the location of main vacuum tube joint (1) and secondary vacuum tube joint (2).
3. screwed assembly according to claim 1 is characterized in that: described secondary vacuum tube joint (2) comprises main cavity (12), Seal cage (13), positioning ring (14), outer tube surface (15), welding ends (16) and welding chamber (17); Seal cage (13) is installed concentric seal ring (4) for matching with the Seal cage (10) of main vacuum tube joint (1); Positioning ring (14) is used for the location of main vacuum tube joint (1) and secondary vacuum tube joint (2); Welding ends (16) and welding chamber (17) are welded as a whole with vacuum tube waiting (27).
4. screwed assembly according to claim 1, it is characterized in that: described locking nut (3) comprises lock chambers (18), twisting face (19) and locking internal thread (20); Lock chambers (18) is sleeved on the outer tube surface (15) of secondary vacuum tube joint (2).
5. screwed assembly according to claim 4, it is characterized in that: described twisting face (19) is hexagon, annular knurl type or circle.
6. screwed assembly according to claim 1 is characterized in that: described concentric seal ring (4) comprises inner sealing surface (21), external sealed face (22), recessed sealing surface (23), protruding sealing surface (24) and cross section (25); Inner sealing surface (21) and protruding sealing surface (24) are fitted with the Seal cage (13) of secondary vacuum tube joint (2); External sealed face (22) and recessed sealing surface (23) are fitted with the Seal cage (10) of main vacuum tube joint (1).
7. screwed assembly according to claim 5 is characterized in that: described cross section (25) be shaped as rectangle, C shape or S shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102624039A CN103277602A (en) | 2013-06-27 | 2013-06-27 | Vacuum tube joint threaded connection component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102624039A CN103277602A (en) | 2013-06-27 | 2013-06-27 | Vacuum tube joint threaded connection component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103277602A true CN103277602A (en) | 2013-09-04 |
Family
ID=49060194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102624039A Pending CN103277602A (en) | 2013-06-27 | 2013-06-27 | Vacuum tube joint threaded connection component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103277602A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455849A (en) * | 2014-11-11 | 2015-03-25 | 贵州黔南科技塑业有限公司 | Plug-in pipe easy to install |
| CN109073124A (en) * | 2016-04-29 | 2018-12-21 | 美国圣戈班性能塑料公司 | Fluid conveying sub-component and component with tongue and groove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2394080Y (en) * | 1999-11-09 | 2000-08-30 | 金秀男 | Flexible joint for steel plastic pipe |
| JP2011127738A (en) * | 2009-12-21 | 2011-06-30 | Asahi Organic Chemicals Industry Co Ltd | Piping device |
| CN202733232U (en) * | 2012-07-27 | 2013-02-13 | 唐山开滦山矿技协机电设备制造有限公司 | Pipeline for conveying ultrahigh-pressure liquid |
| CN202927314U (en) * | 2012-12-06 | 2013-05-08 | 齐齐哈尔轨道交通装备有限责任公司 | Flange connector |
| CN203322552U (en) * | 2013-06-27 | 2013-12-04 | 贵州航天精工制造有限公司 | Threaded connection component for vacuum tube joint |
-
2013
- 2013-06-27 CN CN2013102624039A patent/CN103277602A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2394080Y (en) * | 1999-11-09 | 2000-08-30 | 金秀男 | Flexible joint for steel plastic pipe |
| JP2011127738A (en) * | 2009-12-21 | 2011-06-30 | Asahi Organic Chemicals Industry Co Ltd | Piping device |
| CN202733232U (en) * | 2012-07-27 | 2013-02-13 | 唐山开滦山矿技协机电设备制造有限公司 | Pipeline for conveying ultrahigh-pressure liquid |
| CN202927314U (en) * | 2012-12-06 | 2013-05-08 | 齐齐哈尔轨道交通装备有限责任公司 | Flange connector |
| CN203322552U (en) * | 2013-06-27 | 2013-12-04 | 贵州航天精工制造有限公司 | Threaded connection component for vacuum tube joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455849A (en) * | 2014-11-11 | 2015-03-25 | 贵州黔南科技塑业有限公司 | Plug-in pipe easy to install |
| CN109073124A (en) * | 2016-04-29 | 2018-12-21 | 美国圣戈班性能塑料公司 | Fluid conveying sub-component and component with tongue and groove |
| US10774960B2 (en) | 2016-04-29 | 2020-09-15 | Saint Gobain Performance Plastics Corporation | Tongued and grooved fluid transport subcomponents and assemblies |
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Application publication date: 20130904 |