CN205207987U - Pipe connection device - Google Patents
Pipe connection device Download PDFInfo
- Publication number
- CN205207987U CN205207987U CN201520998561.5U CN201520998561U CN205207987U CN 205207987 U CN205207987 U CN 205207987U CN 201520998561 U CN201520998561 U CN 201520998561U CN 205207987 U CN205207987 U CN 205207987U
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- sphere
- pipe
- conduit
- connecting tube
- spherical joint
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- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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Abstract
The utility model provides a pipe connection device, relates to aircraft pipeline structural design technical field for vibrate the connection of great pipe, sphere pipe part is the integrated into one piece structure with the straight tube part, the sphere connects for the sphere annular structure, and the internal diameter is the same with the external diameter of the straight tube part of sphere connecting pipe, and the inner wall connects circumference along the sphere and is provided with the sealing strip mounting groove, the sphere of part, the spherical outside surface phase -match that the sphere connects are managed with the sphere of sphere connecting pipe respectively to the retaining ring internal face, the sealing washer set up in between first pipe and the sphere connecting pipe, second pipe and sphere connect between, the sphere connects and the straight tube of sphere connecting pipe between partially, the nut respectively with sphere connecting pipe, sphere connect cooperation locking pipe, sphere connecting pipe and the sphere connects. The utility model provides a pipe connection device can provide 5~7 angle compensation and the interior axial displacement compensation of certain limit, reduces the influence that resonance brought, reduces trouble hidden danger.
Description
Technical field
The utility model relates to aircraft pipeline structure design field, in particular to a kind of catheter connection device.
Background technique
In airplane design research process, the joint of tubes connection has a variety of, be divided into uncompensated rigid connection and balancedly flexibly connect, wherein, the balanced angle compensation flexibly connected generally only has 2 ° ~ 3 °, but for the larger situation of vibration environment (such as with motor joint, or fuselage wing joint), need the offset that greater angle is provided at pipe joint place.
The technical problem needing now solution badly is, how to design a kind of catheter connection device, this connection set, ensureing under the precondition that pipeline is airtight, can not only meet the bit shift compensation in the normal orientation of the tube axial direction of pipeline, tubular axis, can also meet the compensation in angle.
Model utility content
The purpose of this utility model is to solve above-mentioned deficiency of the prior art, provides a kind of simple and reasonable, provides the catheter connection device than greater angle offset in prior art for the conduit connection under large vibration environment.
The purpose of this utility model is achieved through the following technical solutions: a kind of catheter connection device, and comprise the first conduit, the second conduit, joint is respectively arranged with outside thread; Sphere connecting tube, is provided with sphere tubular portion and straight-tube portion, and sphere tubular portion and described straight-tube portion are formed in one structure; Spherical joint, be sphere ring structure, internal diameter is identical with the external diameter of the straight-tube portion of sphere connecting tube, and inwall globally joint circumference is provided with sealing strip mounting groove; Stop ring is ring structure, and internal face matches with the sphere of sphere tubular portion of sphere connecting tube, the outer spherical surface of spherical joint respectively; Seal ring, is arranged between the first conduit and sphere connecting tube, between the second conduit and spherical joint, between spherical joint and the straight-tube portion of sphere connecting tube; First nut, the second nut, cross section is " L " type, locks described first conduit, the second conduit, sphere connecting tube and spherical joint respectively with sphere connecting tube, spherical joint.
In such scheme preferably, the sphere tubular portion of sphere connecting tube and the measure-alike of described spherical joint.
In above-mentioned either a program preferably, it is locked that the first nut and the first conduit pass through safety fuse cutout, and it is locked that the second nut and the second conduit pass through safety fuse cutout.
In above-mentioned either a program preferably, the sphere tubular portion of sphere connecting tube and the sphere roughness of spherical joint are at least Ra0.4.
The beneficial effect of catheter connection device provided by the utility model is, structure is simple, easily manufactured, the axial displacement in the angle compensation of 5 ° ~ 7 ° and certain limit can be provided to compensate, can stress be reduced when installation, under flight status, larger vibration that motor produces and the issuable distortion of fuselage wing parting surface, displacement can be compensated, and reduce the impact that brings of resonating, reduce potential faults, device stability is high, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment according to catheter connection device of the present utility model.
Reference character:
I-the first conduit, II-the second conduit, 1-sphere connecting tube, 2-spherical joint, 3-first nut, 4-second nut, 5-stop ring, 6-seal ring.
Embodiment
The object of plate model utility is the angle compensation solving the larger situation downcomer installation of vibration environment, provides a kind of catheter connection device of ball face sealing form.
The object implemented for making the utility model, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technological scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
As shown in Figure 1, the catheter connection device that the utility model provides, comprising: the first conduit I, second conduit II, and joint is respectively arranged with outside thread; Sphere connecting tube 1, is provided with sphere tubular portion and straight-tube portion, and sphere tubular portion and straight-tube portion are formed in one structure; Spherical joint 2, be sphere ring structure, internal diameter is identical with the external diameter of the straight-tube portion of sphere connecting tube 1, and inwall is provided with sealing strip mounting groove along described spherical joint 2 circumference; Stop ring 5 is ring structure, and internal face matches with the sphere of the sphere tubular portion of sphere connecting tube 1, the outer spherical surface of spherical joint 2 respectively; Seal ring 6, is arranged between the first conduit I and sphere connecting tube 1, between the second conduit II and spherical joint 2, between spherical joint 2 and the straight-tube portion of sphere connecting tube 1; First nut 3, second nut 4, cross section is " L " type, locks the first conduit I, second conduit II, sphere connecting tube 1 and spherical joint 2 respectively with sphere connecting tube 1, described spherical joint 2.
In the catheter connection device that above-mentioned the utility model provides, the sphere tubular portion of sphere connecting tube 1 and the measure-alike of spherical joint 2.It is locked that first nut 3 and the first conduit I pass through safety fuse cutout, and it is locked that the second nut 4 and the second conduit II pass through safety fuse cutout.The sphere tubular portion of sphere connecting tube 1 and the sphere roughness of spherical joint 2 are at least Ra0.4.
The Roughness compared with Small Distance and small peak valley that it will be appreciated by persons skilled in the art that surface roughness refers to that finished surface has.Distance very little (at below 1mm) between its two crest or two troughs, it belongs to microcosmos geometric shape error.Surface roughness is less, then surface is more smooth.Roughness is generally formed by adopted processing method and other factors, the dither the etc. when friction such as, in course of working between cutter with part surface, chip are separated in the plastic deformation of surface layer metal and process system.Due to the difference of processing method and workpiece material, the depth, density, shape and texture that surface to be machined is left a trace have difference.The fiting property, wear resistance, fatigue strength, contact stiffness, vibration & noise etc. of roughness and mechanical parts have substantial connection, have material impact to working life of engineering goods and reliability.General mark adopts Ra.RA0.4 refers to that the high all mean differences of microcosmic 10 are 0.4 micron.
In concrete using process, be further explained explanation with the technological scheme of a specific embodiment to catheter connection device of the present utility model below.
As shown in Figure 1, the first conduit I, second conduit II adopts diameter
external diameter; The sphere of sphere connecting tube 1, spherical joint 2 and stop ring 5 is of a size of
, coordinate grinding, sphere roughness Ra 0.4; Appropriate design seal groove size, and the O RunddichtringO 6 choosing 5 kinds of suitable dimensions, to ensure sealing; Straight-tube portion external diameter and the spherical joint 2 interior bone diameter dimension of sphere connecting tube 1 are
; All the other sizes of part and above-mentioned size match, and complete the assembling of ball face sealing joint according to the mode of Fig. 1.Formulated test conditions by standard-required, after having carried out the series of validation such as thermocycling, vibration test, flexuraltest, impulse test, bursting test, without the phenomenon such as fatigue fracture, breakage, ne-leakage phenomenon, has met the demands, and reaches purpose of design.
More than be described in detail in conjunction with catheter connection device specific embodiment of the present utility model, but be not to restriction of the present utility model, everyly according to technical spirit of the present utility model, technical scope of the present utility model is all belonged to any simple modification made for any of the above embodiments, also it should be noted that, comprise the combination in any between each part mentioned above according to the category of catheter connection device technological scheme of the present utility model.
Claims (4)
1. a catheter connection device, is characterized in that, comprising:
First conduit (I), the second conduit (II), joint is respectively arranged with outside thread;
Sphere connecting tube (1), is provided with sphere tubular portion and straight-tube portion, and described sphere tubular portion and described straight-tube portion are formed in one structure;
Spherical joint (2) is sphere ring structure, and internal diameter is identical with the external diameter of the straight-tube portion of described sphere connecting tube (1), and inwall is provided with sealing strip mounting groove along described spherical joint (2) circumference;
Stop ring (5) is ring structure, and internal face matches with the sphere of the sphere tubular portion of described sphere connecting tube (1), the outer spherical surface of described spherical joint (2) respectively;
Seal ring (6), is arranged between described first conduit (I) and described sphere connecting tube (1), between described second conduit (II) and described spherical joint (2), between described spherical joint (2) and the straight-tube portion of described sphere connecting tube (1);
First nut (3), the second nut (4), cross section is " L " type, locks described first conduit (I), described second conduit (II), described sphere connecting tube (1) and described spherical joint (2) respectively with described sphere connecting tube (1), described spherical joint (2).
2. catheter connection device as claimed in claim 1, is characterized in that, the sphere tubular portion of described sphere connecting tube (1) and the measure-alike of described spherical joint (2).
3. catheter connection device as claimed in claim 2, it is characterized in that, described first nut (3) is locked by safety fuse cutout with described first conduit (I), and described second nut (4) is locked by safety fuse cutout with described second conduit (II).
4. catheter connection device as claimed in claim 2, it is characterized in that, the sphere tubular portion of described sphere connecting tube (1) and the sphere roughness of described spherical joint (2) are at least Ra0.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998561.5U CN205207987U (en) | 2015-12-04 | 2015-12-04 | Pipe connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998561.5U CN205207987U (en) | 2015-12-04 | 2015-12-04 | Pipe connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207987U true CN205207987U (en) | 2016-05-04 |
Family
ID=55845704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520998561.5U Active CN205207987U (en) | 2015-12-04 | 2015-12-04 | Pipe connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207987U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888564A (en) * | 2016-06-07 | 2016-08-24 | 湖南三石油科技有限公司 | Well repair working platform |
| CN109404641A (en) * | 2018-12-05 | 2019-03-01 | 太原航空仪表有限公司 | A kind of mechanical spherical surface compensator |
| CN110985786A (en) * | 2019-12-23 | 2020-04-10 | 中国航空工业集团公司沈阳飞机设计研究所 | Sphere connection compensation device for aircraft fuel system |
-
2015
- 2015-12-04 CN CN201520998561.5U patent/CN205207987U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888564A (en) * | 2016-06-07 | 2016-08-24 | 湖南三石油科技有限公司 | Well repair working platform |
| CN105888564B (en) * | 2016-06-07 | 2019-10-18 | 三一集团有限公司湖南分公司 | Well-repairing work platform |
| CN109404641A (en) * | 2018-12-05 | 2019-03-01 | 太原航空仪表有限公司 | A kind of mechanical spherical surface compensator |
| CN110985786A (en) * | 2019-12-23 | 2020-04-10 | 中国航空工业集团公司沈阳飞机设计研究所 | Sphere connection compensation device for aircraft fuel system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |