CN215763749U - Metal connecting pipe structure - Google Patents
Metal connecting pipe structure Download PDFInfo
- Publication number
- CN215763749U CN215763749U CN202120755091.5U CN202120755091U CN215763749U CN 215763749 U CN215763749 U CN 215763749U CN 202120755091 U CN202120755091 U CN 202120755091U CN 215763749 U CN215763749 U CN 215763749U
- Authority
- CN
- China
- Prior art keywords
- carbon steel
- pipe
- connecting pipe
- steel pipe
- nozzle
- 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.)
- Active
Links
Images
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model provides a metal connecting pipe structure, which comprises: a first adapter tube; the first connecting pipe and the second connecting pipe are made of one of stainless steel, aluminum and copper materials, and the first connecting pipe and the second connecting pipe are made of different materials; and one end of the carbon steel pipe is welded with the first connecting pipe, and the other end of the carbon steel pipe is welded with the second connecting pipe. Through the technical scheme provided by the application, the problems of low welding efficiency and poor welding quality in the prior art can be solved.
Description
Technical Field
The utility model relates to the technical field of metal connecting pipes, in particular to a metal connecting pipe structure.
Background
At present, when any two of a stainless steel pipe, an aluminum pipe and a copper pipe are mutually welded, the welding is difficult due to large difference of melting points of the materials, and the welding efficiency and the welding quality are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a metal connecting pipe structure, which aims to solve the problems of low welding efficiency and poor welding quality in the prior art.
The utility model provides a metal connecting pipe structure, which comprises: a first adapter tube; the first connecting pipe and the second connecting pipe are made of one of stainless steel, aluminum and copper materials, and the first connecting pipe and the second connecting pipe are made of different materials; and one end of the carbon steel pipe is welded with the first connecting pipe, and the other end of the carbon steel pipe is welded with the second connecting pipe.
Furthermore, a limiting structure is arranged between the first connecting pipe and the carbon steel pipe; and/or a limiting structure is arranged between the second connecting pipe and the carbon steel pipe.
Furthermore, the inner walls of the first connecting pipe and the carbon steel pipe, which are positioned on the outer side of the pipeline, are provided with stepped surfaces, and the stepped surfaces form a limiting structure; and/or the inner walls of the second connecting pipe and the carbon steel pipe, which are positioned on the outer side pipeline, are provided with step surfaces, and the step surfaces form a limiting structure.
Furthermore, the pipeline positioned at the outer side of the first connecting pipe and the carbon steel pipe is provided with a conical pipe section, and the conical pipe section forms a limiting structure; and/or the pipeline positioned at the outer side in the second connecting pipe and the carbon steel pipe is provided with a conical pipe section, and the conical pipe section forms a limiting structure.
Further, the carbon steel pipe has a zinc plating layer.
Further, the surface of the first end of the carbon steel pipe, which is in contact with the first connecting pipe, is provided with a zinc coating, and/or the surface of the second end of the carbon steel pipe, which is in contact with the second connecting pipe, is provided with a zinc coating.
Further, the flow area of the first connecting pipe is equal to the flow area of the carbon steel pipe, and/or the flow area of the second connecting pipe is equal to the fluid area of the carbon steel pipe.
Further, the wall thickness difference between the first connecting pipe and the carbon steel pipe and the wall thickness difference between the second connecting pipe and the carbon steel pipe are both smaller than or equal to 5 mm.
By applying the technical scheme of the utility model, the metal connecting pipe structure comprises a first connecting pipe, a second connecting pipe and a carbon steel pipe. Wherein, take over the welding with the one end and the first welding of taking over of carbon steel pipe, take over the welding with the other end and the second of carbon steel pipe, so can take over the first takeover of carbon steel pipe as transition union coupling and second, reach the purpose of connecting first takeover and second takeover to, melting point difference is less between carbon steel pipe and stainless steel, aluminium and the copper, consequently can reduce the welding degree of difficulty, improves welding efficiency, guarantees welding quality.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic diagram of a first embodiment of a metal adapter structure provided by the present invention;
fig. 2 shows a schematic diagram of a second embodiment of the metal connecting tube structure provided by the present invention.
Wherein the figures include the following reference numerals:
10. a first adapter tube; 20. a second adapter tube; 30. a carbon steel pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a metal nozzle structure, which includes: a first adapter tube 10, a second adapter tube 20, and a carbon steel tube 30. The first connecting pipe 10 and the second connecting pipe 20 are made of one of stainless steel, aluminum and copper materials, the first connecting pipe 10 and the second connecting pipe 20 are made of different materials, and can be connected by stainless steel and an aluminum pipe, can be connected by stainless steel and a copper pipe, and can also be connected by the aluminum pipe and the copper pipe. Specifically, one end of the carbon steel pipe 30 is welded to the first connection pipe 10, and the other end of the carbon steel pipe 30 is welded to the second connection pipe 20, so as to connect the first connection pipe 10 and the second connection pipe 20 through the carbon steel pipe 30.
Through the technical scheme that this application provided, with the welding of carbon steel pipe 30's one end and first takeover 10, take over 20 welding with carbon steel pipe 30's the other end and second, so can take over 20 as transition union coupling first takeover 10 and second with carbon steel pipe 30, reach the purpose of connecting first takeover 10 and second takeover 20, and, carbon steel pipe 30 and stainless steel, the melting point difference is less between aluminium and the copper, consequently, can reduce the welding degree of difficulty, and the welding efficiency is improved, and the welding quality is guaranteed.
Wherein, set up limit structure between first takeover 10 and carbon steel pipe 30, and/or, set up between second takeover 20 and carbon steel pipe 30, can prevent that certain pipeline from excessively stretching into in the pipeline that is connected when guaranteeing adjacent pipeline connection length like this.
Specifically, the limiting can be performed by using structures such as a step surface and a bulge. In this embodiment, a stepped surface is disposed on an inner wall of the outer pipe of the first connection pipe 10 and the carbon steel pipe 30, and the stepped surface forms a limiting structure to limit a connection length between the first connection pipe 10 and the carbon steel pipe 30. And/or a stepped surface is formed on the inner wall of the outer pipe of the second adapter tube 20 and the carbon steel pipe 30, and the stepped surface forms a limiting structure to limit the connection length between the second adapter tube 20 and the carbon steel pipe 30. Can also play the positioning action through setting up limit structure to when two adjacent pipelines of welding, directly connect the limit structure department of inserting another pipeline with one of them pipeline, can realize quick location. In this embodiment, a limiting structure is disposed between the first adapter tube 10 and the carbon steel tube 30, and between the second adapter tube 20 and the carbon steel tube 30.
Wherein, be provided with the galvanizing coat on this carbon steel pipe 30, can play anticorrosive, anti-oxidant effect through set up the galvanizing coat on carbon steel pipe 30, so can improve carbon steel pipe 30's corrosion resistance, and then can improve whole pipeline connection structure's corrosion resistance, further prolong the life of structure.
The zinc coating may be applied to the entire surface of the carbon steel pipe 30, or may be applied to only a partial surface of the carbon steel pipe 30. In this embodiment, a zinc coating layer may be disposed on a surface of the first end of the carbon steel pipe 30 contacting the first connection pipe 10, and/or a zinc coating layer may be disposed on a surface of the second end of the carbon steel pipe 30 contacting the second connection pipe 20, so that the corrosion resistance of the contact position of the carbon steel pipe 30 and the first connection pipe 10 or the second connection pipe 20 may be improved, and the effectiveness of the pipe connection may be improved.
Specifically, the flow area of the first adapter tube 10 is set to be equal to the flow area of the carbon steel tube 30, and/or the flow area of the second adapter tube 20 is set to be equal to the flow area of the carbon steel tube 30. Through the scheme, the phenomenon that two adjacent pipelines cause turbulence due to different flow areas can be avoided, and the flow loss can be reduced.
Wherein, can make first takeover 10 design for having the circulation section and the linkage segment of intercommunication each other, the internal diameter of linkage segment is greater than the internal diameter of circulation section, design carbon steel pipe 30's internal diameter for the same with the internal diameter of circulation section, set up carbon steel pipe 30's external diameter to be the same with the internal diameter of linkage segment, so can realize that both flow area are equal. Of course, the second adapter tube 20 and the carbon steel tube 30 may be designed as described above, as long as the flow areas of the two adjacent pipelines are the same.
Specifically, the wall thickness difference between the first adapter tube 10 and the carbon steel tube 30 and the wall thickness difference between the second adapter tube 20 and the carbon steel tube 30 are both less than or equal to 5 mm. Through the design, the situation that two adjacent pipe bodies cannot be welded due to overlarge or undersize wall thickness difference values can be avoided, the wall thickness difference values of the two adjacent pipe bodies are limited within 5mm, the welding efficiency of the pipeline can be improved, and the welding quality is guaranteed.
Specifically, the metal connecting pipe structure in the application can be welded by adopting welding modes such as argon arc welding, laser welding, furnace brazing, electric arc brazing and the like.
As shown in fig. 2, a second embodiment of the present application provides a metal connecting pipe structure, which is different from the first embodiment in that in the second embodiment, the pipe located outside the first connecting pipe 10 and the carbon steel pipe 30 has a tapered pipe section, so that a limiting structure is formed by the tapered pipe section; and/or the pipeline positioned at the outer side in the second connecting pipe 20 and the carbon steel pipe 30 is provided with a tapered pipe section, so that a limiting structure is formed by the tapered pipe section.
Taking fig. 2 as an example, two ends of the carbon steel pipe 30 are respectively located in the first connecting pipe 10 and the second connecting pipe 20, tapered pipe sections are respectively arranged on the first connecting pipe 10 and the second connecting pipe 20, specifically, the first connecting pipe 10 has a first section, a tapered pipe section and a second section which are connected in sequence, the second connecting pipe 20 has a first section, a tapered pipe section and a second section which are connected in sequence, the carbon steel pipe 30 is respectively connected with the second section of the first connecting pipe 10 and the first section of the second connecting pipe 20, the diameter of the first section of the first connecting pipe 10 is smaller than that of the second section of the first connecting pipe 10, the diameter of the first section of the second connecting pipe 20 is larger than that of the second section of the second connecting pipe 20, the diameter of one end of the carbon steel pipe 30 is located between the diameters of the first section and the second section of the first connecting pipe 10, and the diameter of the other end of the carbon steel pipe 30 is located between the diameters of the first section and the second section of the second connecting pipe 20. In this way, the carbon steel pipe 30 can be limited by the tapered pipe sections of the first adapter pipe 10 and the second adapter pipe 20.
Through the technical scheme that this application provided, utilize carbon steel pipe as two bodys of switching structure connection different materials, its simple structure has guaranteed welding quality, has alleviated electrochemical corrosion's between the different material bodys problem, has prolonged body life.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A metal nozzle structure, comprising:
a first connection pipe (10);
the first connecting pipe (10) and the second connecting pipe (20) are made of one of stainless steel, aluminum and copper materials, and the first connecting pipe (10) and the second connecting pipe (20) are made of different materials;
and one end of the carbon steel pipe (30) is welded with the first connecting pipe (10), and the other end of the carbon steel pipe (30) is welded with the second connecting pipe (20).
2. The metal nozzle structure according to claim 1,
a limiting structure is arranged between the first connecting pipe (10) and the carbon steel pipe (30); and/or the presence of a gas in the gas,
and a limiting structure is arranged between the second connecting pipe (20) and the carbon steel pipe (30).
3. The metal nozzle structure according to claim 2,
the inner walls of the first connecting pipe (10) and the carbon steel pipe (30) which are positioned on the outer side of the pipeline are provided with stepped surfaces, and the stepped surfaces form the limiting structure; and/or the presence of a gas in the gas,
the second is taken over (20) with lie in the carbon steel pipe (30) and have the ladder face on the inner wall of outside pipeline, the ladder face forms limit structure.
4. The metal nozzle structure according to claim 2,
the pipeline positioned at the outer side in the first connecting pipe (10) and the carbon steel pipe (30) is provided with a conical pipe section, and the conical pipe section forms the limiting structure; and/or the presence of a gas in the gas,
the pipeline positioned at the outer side in the second connecting pipe (20) and the carbon steel pipe (30) is provided with a conical pipe section, and the conical pipe section forms the limiting structure.
5. The metal nozzle structure according to claim 1, wherein the carbon steel pipe (30) has a zinc plating layer.
6. The metal nozzle structure according to claim 5, wherein a surface of the first end of the carbon steel pipe (30) contacting the first nozzle (10) is provided with the zinc coating layer, and/or a surface of the second end of the carbon steel pipe (30) contacting the second nozzle (20) is provided with the zinc coating layer.
7. The metal nozzle structure according to claim 1, wherein the flow area of the first nozzle (10) is equal to the flow area of the carbon steel tube (30) and/or the flow area of the second nozzle (20) is equal to the flow area of the carbon steel tube (30).
8. The metal nozzle structure according to claim 1, wherein the difference in wall thickness between the first nozzle (10) and the carbon steel tube (30) and the difference in wall thickness between the second nozzle (20) and the carbon steel tube (30) are each less than or equal to 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120755091.5U CN215763749U (en) | 2021-04-13 | 2021-04-13 | Metal connecting pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120755091.5U CN215763749U (en) | 2021-04-13 | 2021-04-13 | Metal connecting pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763749U true CN215763749U (en) | 2022-02-08 |
Family
ID=80094958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120755091.5U Active CN215763749U (en) | 2021-04-13 | 2021-04-13 | Metal connecting pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215763749U (en) |
-
2021
- 2021-04-13 CN CN202120755091.5U patent/CN215763749U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205244661U (en) | Stainless steel joint that is protected from heat | |
| CN202992436U (en) | Copper and aluminum joint structure of heat exchanger | |
| CN215763749U (en) | Metal connecting pipe structure | |
| CN111774699A (en) | Sulfur condenser pipe head structure and welding method thereof | |
| CN103978063A (en) | Dissimilar metal tubular product, preparation method and application thereof | |
| JP2013044423A (en) | Piping | |
| CN105904069B (en) | It is a kind of up and down cladding LC2205 stainless steel stratiform composite boards to welding connection method | |
| CN104708186A (en) | Gas storage device for pipeline welding and pipeline welding method | |
| CN201159352Y (en) | Aluminum break valve with connection pipe | |
| CN110906070A (en) | Copper-aluminium welded pipe | |
| CN215806914U (en) | Pipeline connecting structure | |
| CN202510866U (en) | Sweat-soldering pouring type connection joint of composite tube | |
| WO2022218023A1 (en) | Joint assembly, four-way valve assembly and air conditioner system | |
| CN201081053Y (en) | Stainless steel composite tube | |
| CN205227948U (en) | Welded structure of pipe fitting and casing | |
| CN211259905U (en) | Copper-aluminium welded pipe | |
| CN207229950U (en) | Refrigeration machine pipeline jointing construction | |
| CN207422941U (en) | Corrosion-resistant heat exchanger | |
| CN207990010U (en) | A kind of pre- repaired mouth steel pipe of weld bond | |
| CN205278604U (en) | Prevent welding metal collapsible tube of oxidation | |
| CN220957917U (en) | Natural gas aluminum alloy gasifier | |
| CN205261988U (en) | Insert formula fin evaporator to one side | |
| CN214500482U (en) | Multi-stage reducing pipe | |
| CN214425438U (en) | Anticorrosive structure of joint coating stainless steel in TPEP steel pipe butt welding back | |
| CN209164861U (en) | A kind of metal tee tube of hot extrusion molding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |