CN105864535A - Pipeline welding structure and air conditioner - Google Patents
Pipeline welding structure and air conditioner Download PDFInfo
- Publication number
- CN105864535A CN105864535A CN201610383172.0A CN201610383172A CN105864535A CN 105864535 A CN105864535 A CN 105864535A CN 201610383172 A CN201610383172 A CN 201610383172A CN 105864535 A CN105864535 A CN 105864535A
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- China
- Prior art keywords
- pipe
- welding
- section
- pipeline
- straight tube
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- 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
- 238000003466 welding Methods 0.000 title claims abstract description 129
- 239000011148 porous material Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
- F16L13/02—Welded joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a pipeline welding structure and an air conditioner. The pipeline welding structure comprises a first round tube (1) and a second round tube (2), wherein the welded end of the second round tube (2) is sleeved by the welded end of the first round tube (1); the interface of the welded end of the first round tube (1) is a non-round hole; the shape of the cross section of the welded end of the second round tube (2) is matched with that of the cross section of the interface of the welded end of the first round tube (1). By adopting the pipeline welding structure disclosed by the invention, the problem that in the prior art later mounting and stress distribution can be affected as a pipeline structure formed after welding is relatively greatly deviated from a designed structure since a welded pipeline can be easily rotated relatively can be solved.
Description
Technical field
The present invention relates to welding technology field, in particular to a kind of pipeline Welding Structure and air-conditioner.
Background technology
In the Chinese utility model patent application of Application No. 201120267891.9, disclose a kind of room
Wai Ji cross valve bindiny mechanism, this off-premises station cross valve bindiny mechanism closes according to the space projection of solid geometry
System and projected position between specification pipeline assembly and cross valve longitudinal center line clearly, with parallel, hang down
Directly or carry out regulation pipeline angle of assembling in 45 ° of angles, thus improve the accurate of cross valve assembly assembling process
Property, ease for operation, be prevented effectively from pipeline stress distribution change and secondary refrigerant leakage.It is arranged in refrigerant pipeline
Cross valve, the initial segment of its exhaustor is perpendicular to the longitudinal center line of cross valve.The bending segment of suction nozzle
Parallel or perpendicular to the longitudinal center line of cross valve or be 45 ° of angles with the longitudinal center line of cross valve.
The initial Connectivity Section of escape pipe parallel or perpendicular to cross valve longitudinal center line or with the axle of cross valve
It is 45 ° of angles to centrage.
In this application from space structure and angle specification pipeline shape so that welding location as far as possible accurately,
When two welded pipes are welded, due to the most non-pipe of welded pipe, welded pipe the most easily occurs
Road relatively rotates, and causes the pipeline structure after having welded to there is relatively large deviation with design structure, from
And affect later stage installation and stress distribution etc..
Summary of the invention
The purpose of the present invention is to propose to a kind of pipeline Welding Structure and air-conditioner, to solve prior art is held
Easily occur that welding pipeline relatively rotates, cause the pipeline structure after having welded to exist with design structure
Relatively large deviation, thus affect later stage installation and the problem of stress distribution.
According to an aspect of the invention, it is provided a kind of pipeline Welding Structure, including the first pipe and the
Two pipes, the welding ends of the first pipe is set in outside the welding ends of the second pipe, the welding ends of the first pipe
Interface is non-circular hole, the welding ends cross sectional shape of the second pipe and the cross section of the welding ends interface of the first pipe
Mating shapes.
Preferably, the pore of the welding ends of the second pipe is generally circular in shape.
Preferably, the welding ends Interface Shape of the first pipe is oval or polygon.
Preferably, the welding ends interface of the first pipe is to oval enlarging from rounded transitional.
Preferably, the welding ends interface of the first pipe is to oval reducing from rounded transitional.
Preferably, the oval major axis of welding ends interface and is less than more than 1.05 with the lenth ratio of short axle
1.5。
Preferably, the first pipe includes the first pipe section, the first flared section and the first straight tube welding section, the
Two pipes include the second pipe section, the second flared section and the second straight tube welding section, the first straight tube welding section set
It is located at outside the second straight tube welding section.
Preferably, the first straight tube welding section and the second straight tube welding section matched in clearance, and fit clearance is less than
Or equal to 0.05mm.
Preferably, the inner tubal wall of the second straight tube welding section and the big opening end inner tubal wall of the first flared section flush.
According to a further aspect in the invention, it is provided that a kind of air-conditioner, including pipeline Welding Structure, this pipe
Road Welding Structure is above-mentioned pipeline Welding Structure.
The pipeline Welding Structure of the present invention, including the first pipe and the second pipe, the welding ends of the first pipe
Being set in outside the welding ends of the second pipe, the welding ends interface of the first pipe is non-circular hole, the second pipe
The cross sectional shape of the welding ends interface of welding ends cross sectional shape and the first pipe matches.By the first pipe
When welding together with the second pipe, owing to the welding ends interface of the first pipe and the second pipe is not rounded knot
Structure, therefore can be to the first pipe and the welding position of the second pipe after the first pipe and the second pipe dock
Put and carry out circumferentially positioned, prevent the first pipe and the second pipe from circumferentially rotating before welding, protect
Card Welding Structure matches with design structure, effectively controls and solves to weld after two round metal tubes are inserted even
After before fixing, possible generation rotates in a circumferential direction and causes welding, three-dimensional dimension is unstable or catheter position is inaccurate
Problem, it is ensured that the assembling effect of pipeline structure, and improve the stress distribution after pipeline welding.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes of the application
Point, the schematic description and description of the present invention is used for explaining the present invention, is not intended that the present invention's
Improper restriction.In the accompanying drawings:
Fig. 1 is the structural representation of welded first pipe of pipeline of the embodiment of the present invention；
Fig. 2 is the right view of welded first pipe of pipeline of the embodiment of the present invention；
Fig. 3 is the structural representation of welded second pipe of pipeline of the embodiment of the present invention；
Fig. 4 is the right view of welded second pipe of pipeline of the embodiment of the present invention；
Fig. 5 is the welded assembly structure figure of pipeline of the embodiment of the present invention.
Description of reference numerals: 1, the first pipe；2, the second pipe；3, the first pipe section；4, second
Pipe section；5, the first flared section；6, the second flared section；7, the first straight tube welding section；8, second is straight
Sealing of tube section.
Detailed description of the invention
In the following detailed description, a large amount of specific detail is proposed, in order to provide the thorough reason to the present invention
Solve.However it will be understood by those of ordinary skill in the art that, even if not having these specific detail can implement this yet
Bright.In other cases, it is not described in well-known method, process, assembly and circuit, with
Exempt to affect the understanding of the present invention.
Often there is, with welding of cross valve pipeline, the problem that pipeline rotates in cross valve at present, causes welding
There is relatively large deviation in the pipeline structure after complete and design structure, thus affects later stage installation and stress distribution
Deng.
Solving the general method of this problem is by clamping and the manual method revising pipeline structure, clamping
Can bring the reduction of work efficiency, manual revise pipeline structure not only reduce work efficiency be also difficult to accomplish with
Design structure is closely.
The reason why producing this problem is before welding, consolidating between two round metal tubes
It is scheduled in three dimensions and only exists axially and radially two constraints, it may be assumed that from the point of view of polar coordinate system,
Axle is recessed upwardly through location or convex positions, and being radially nested by two pipes is positioned, and
Effective location is lacked in circumference.Three dimensions the most just can be formed because of welding
Constraints, complete to position completely.This allow for intubate with in welding process, be very easy to because
Small disturbance and cause pipeline to relatively rotate in the circumferential rotation, deviate correct design attitude.
For this problem, cannula part, on the basis of original, is designed as non-circular opening by this programme, this
A constraints that sample is the most, thus realize pipeline location completely in three-dimensional, it is to avoid
Circumferentially rotate problem, may produce before effectively controlling and solving to be welded and fixed after two round metal tubes are inserted even
Raw rotating in a circumferential direction causes three-dimensional dimension instability or the inaccurate problem of catheter position after welding, improves weldering
The Stability and veracity of access node structure.
In conjunction with seeing shown in Fig. 1 to Fig. 5, according to embodiments of the invention, pipeline Welding Structure includes
One pipe 1 and the second pipe 2, the welding ends of the first pipe 1 is set in outside the welding ends of the second pipe 2,
The welding ends interface of the first pipe 1 is non-circular hole, the welding ends cross sectional shape of the second pipe 2 and the first circle
The cross sectional shape of the welding ends interface of pipe 1 matches.
When the first pipe 1 and the second pipe 2 are welded together, due to the first pipe 1 and the second circle
The welding ends interface of pipe 2 is non-circular structure, therefore can be after the first pipe 1 and the second pipe 2 dock
The welding position of the first pipe 1 and the second pipe 2 is carried out circumferentially positioned, prevents the first pipe 1 and
Two pipes 2 circumferentially rotate before welding, it is ensured that Welding Structure matches with design structure, has
Effect may produce to rotate in a circumferential direction before controlling and solving to be welded and fixed after two round metal tubes are inserted even and cause weldering
Connect rear three-dimensional dimension instability or the inaccurate problem of catheter position, it is ensured that the assembling effect of pipeline structure,
And improve the stress distribution after pipeline welding.
The pore shape of the welding ends of the second pipe 2 can be circular or oval etc., due to the second circle
Pipe 2 is plugged in the first pipe 1, therefore has only to the periphery of the second pipe 2 and the pipe of the first pipe 1
Hole shape matches, and the pore of the second pipe 2 can be arranged the most flexibly.
The welding ends Interface Shape of the first pipe 1 is oval or polygon.Preferably, at the present embodiment
In, the welding ends Interface Shape of the first pipe 1 is oval.Oval interface is used or not other
Shape, such as triangle or square, is on the one hand because on circular foundation, changes into oval relative
Deflection is less, by by circle punching tool/drift change into ellipse rush tool/drift, can easily reality
The now processing of the company's of inserting part of interface；On the other hand the transition of elliptical-shaped contact face is round and smooth, and fluid is not allowed through out-of-date
Vortex etc. easily occur, flow losses are less with noise.
The welding ends interface of the first pipe 1 is to oval enlarging from rounded transitional, can make the first circle
Pipe 1 is transitioned into oval interface at welding ends naturally from circular interface, reduce fluid the first pipe 1 with
Flow resistance when flowing at the welding position of the second pipe 2, and reduce the generation of vortex, improve fluid
Flow efficiency.
The welding ends interface of the first pipe 1 can also be to oval reducing from rounded transitional.
Preferably, the oval major axis of welding ends interface and is less than more than 1.05 with the lenth ratio of short axle
1.5, if the major axis of oval welding ends interface is too small with the ratio of short axle, then can cause oval knot
Structure shows as class circle structure, reduces the circumferential limit effect of ellipsoidal structure, if oval welding termination
The major axis of mouth is excessive with the ratio of short axle, then the pore that can cause oval interface is the most flat, affects fluid
Flow effect.
Jack part can be processed by the way of punching tool/drift is blurted out and obtain, simply at existing circle
Change to ellipse on the basis of shape cutter rushes tool/drift, and pipeline base part is still circular cross-section structure.
In the present embodiment, the first pipe 1 includes that first pipe section the 3, first flared section 5 and first is straight
Sealing of tube section 7, the second pipe 2 includes the second pipe section the 4, second flared section 6 and the second straight tube welding
Section 8, the first straight tube welding section 7 is set in outside the second straight tube welding section 8.First pipe section 3 and second
The cross section of pipe section 4 is circle, and the cross section of the first straight tube welding section 7 and the second straight tube welding section 8 is equal
For ellipse.
First straight tube welding section 7 and the second straight tube welding section 8 are respectively provided with certain length, it is ensured that both
Between there is enough lengths of fit, it is possible to preferably link together, and can more efficiently ensure
Between the two circumferentially positioned.Preferably, the first straight tube welding section 7 and length of the second straight tube welding section 8
Spend identical.
First straight tube welding section 7 and the second straight tube welding section 8 matched in clearance, and fit clearance less than or etc.
In 0.05mm, it is possible to make between the first straight tube welding section 7 and the second straight tube welding section 8 closely
Being combined together, after grafting, both are welded and fixed at gap location by metal electrode.So, both can be real
Between existing two pipes faster with convenient grafting, can realize being completely fixed by the welding in later stage again.
Preferably, the inner tubal wall of the second straight tube welding section 8 and the big opening end inner tubal wall of the first flared section 5 are neat
Flat, namely the mouth of pipe cross sectional shape of the position being connected with the second straight tube welding section 8 of the first flared section 5
Identical with the mouth of pipe cross sectional shape of the second straight tube welding section 8 so that the first flared section 5 and the weldering of the second straight tube
It is capable of between the section of connecing 8 well docking, step difference will not be produced due to tube wall height difference, reduce
Resistance in process fluid flow, and reduce the probability of fluid generation vortex, improve the flow efficiency of fluid,
Reduce the pressure loss in process fluid flow and noise.
It is of course also possible to make the length length more than the second straight tube welding section 8 of the first straight tube welding section 7,
Being provided with stepped hole in the first straight tube welding section 7, the second straight tube welding section 8 embeds the big of this stepped hole
In the section of hole, and the pore shape of the second straight tube welding section 8 and the stepped hole of the first straight tube welding section 7 is little
Hole section pore shape is identical, thus realizes the good of the first straight tube welding section 7 and the second straight tube welding section 8
Docking.
According to embodiments of the invention, air-conditioner includes pipeline Welding Structure, and this pipeline Welding Structure is upper
The pipeline Welding Structure stated.This pipeline Welding Structure is mainly used in realizing cross valve and the welding of supporting pipeline.
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Meanwhile,
For one of ordinary skill in the art, according to the thought of the present invention, at detailed description of the invention and application model
Placing and all will change, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a pipeline Welding Structure, it is characterised in that include the first pipe (1) and the second pipe (2),
The welding ends of described first pipe (1) is set in outside the welding ends of described second pipe (2), and described
The welding ends interface of one pipe (1) is non-circular hole, the welding ends cross sectional shape of described second pipe (2)
Match with the cross sectional shape of the welding ends interface of described first pipe (1).
Pipeline Welding Structure the most according to claim 1, it is characterised in that described second pipe (2)
The pore of welding ends generally circular in shape.
Pipeline Welding Structure the most according to claim 1, it is characterised in that described first pipe (1)
Welding ends Interface Shape be oval or polygon.
Pipeline Welding Structure the most according to claim 3, it is characterised in that described first pipe (1)
Welding ends interface be to oval enlarging from rounded transitional.
Pipeline Welding Structure the most according to claim 3, it is characterised in that described first pipe (1)
Welding ends interface be to oval reducing from rounded transitional.
Pipeline Welding Structure the most according to claim 3, it is characterised in that described oval welding
The major axis of end interface more than 1.05 and is less than 1.5 with the lenth ratio of short axle.
Pipeline Welding Structure the most according to claim 1, it is characterised in that described first pipe (1)
Including the first pipe section (3), the first flared section (5) and the first straight tube welding section (7), described second
Pipe (2) includes the second pipe section (4), the second flared section (6) and the second straight tube welding section (8),
Described first straight tube welding section (7) is set in described second straight tube welding section (8) outward.
Pipeline Welding Structure the most according to claim 7, it is characterised in that described first straight tube weldering
The section of connecing (7) and described second straight tube welding section (8) matched in clearance, and fit clearance is less than or equal to 0.05mm.
Pipeline Welding Structure the most according to claim 7, it is characterised in that described second straight tube weldering
The inner tubal wall of the section of connecing (8) flushes with the big opening end inner tubal wall of described first flared section (5).
10. an air-conditioner, including pipeline Welding Structure, it is characterised in that described pipeline Welding Structure
Pipeline Welding Structure according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383172.0A CN105864535A (en) | 2016-06-02 | 2016-06-02 | Pipeline welding structure and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383172.0A CN105864535A (en) | 2016-06-02 | 2016-06-02 | Pipeline welding structure and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105864535A true CN105864535A (en) | 2016-08-17 |
Family
ID=56676527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610383172.0A Pending CN105864535A (en) | 2016-06-02 | 2016-06-02 | Pipeline welding structure and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864535A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764166A (en) * | 2017-03-24 | 2017-05-31 | 新兴铸管股份有限公司 | Axial pushing tow bell-and-spigot pipe |
| CN107504298A (en) * | 2017-09-29 | 2017-12-22 | 镇江市星耀智能装备有限公司 | A kind of antidetonation sealed joint pipe |
| CN107606829A (en) * | 2017-09-27 | 2018-01-19 | 广东美的暖通设备有限公司 | The interface structure and air-conditioning of capillary and heat exchanger tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107606829A (en) * | 2017-09-27 | 2018-01-19 | 广东美的暖通设备有限公司 | The interface structure and air-conditioning of capillary and heat exchanger tube |
| CN107504298A (en) * | 2017-09-29 | 2017-12-22 | 镇江市星耀智能装备有限公司 | A kind of antidetonation sealed joint pipe |
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Application publication date: 20160817 |
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| RJ01 | Rejection of invention patent application after publication |