CN217272629U - Thin-wall stainless steel pipe reducing connecting piece - Google Patents
Thin-wall stainless steel pipe reducing connecting piece Download PDFInfo
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- CN217272629U CN217272629U CN202122882491.5U CN202122882491U CN217272629U CN 217272629 U CN217272629 U CN 217272629U CN 202122882491 U CN202122882491 U CN 202122882491U CN 217272629 U CN217272629 U CN 217272629U
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Abstract
The utility model provides a thin wall stainless steel pipe reducing connecting piece which characterized in that: the pipe joint comprises a large-diameter pipe and a small-diameter pipe, wherein an arc reducing pipe is rolled at the joint end of the large-diameter pipe, and the joint end of the small-diameter pipe is welded and fixed on the opening end of the reducing pipe. The beneficial effects of the utility model are that: 1. simple structure, low in production cost improves market competition. 2. The reducing pipe is integrally formed on the large-diameter pipe through a rolling process and then welded with the small-diameter pipe, compared with a traditional multi-section welding structure, the reducing pipe can be welded only through one welding line, the process flow is reduced, the production cost is reduced, and meanwhile, the sealing performance is guaranteed. 3. The reducing pipe adopts circular arc transition connection major diameter pipe and minor diameter pipe, and when rivers passed through, the effect of buffering rivers can be played to the arc reducing pipe internal face to reduce the noise that the rivers passed through.
Description
Technical Field
The utility model relates to a tubular product connecting piece specifically is a nonrust steel pipe reducing connecting piece of thin wall.
Background
The stainless steel pipe is a hollow long-strip round steel material, and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like. Two common reducing stainless steel pipes link to each other usually through the reducing connector, but there are a great deal of not enough in the reducing connector when using, for example, because the change of two reducing stainless steel pipe body junction pipe diameters, easily cause liquid flow not smooth, thereby liquid pressure changes and easily causes liquid to produce the impact to the body and produce the noise, in addition, current reducing stainless steel pipe body connection structure still exists: complex structure, inconvenient installation, poor sealing performance, over-firm connection, low strength and the like, and therefore, further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcomings of the prior art, and providing a thin-wall stainless steel pipe reducing connecting piece which has simple structure, convenient production and processing and excellent pressure resistance.
The utility model discloses the purpose is realized with following mode: the utility model provides a thin wall stainless steel pipe reducing connecting piece which characterized in that: the pipe fitting comprises a large-diameter pipe and a small-diameter pipe, wherein the butt joint end of the large-diameter pipe is rolled with a circular arc-shaped reducing pipe, and the butt joint end of the small-diameter pipe is welded and fixed on the opening end of the reducing pipe.
And a first annular groove is formed in the cylindrical surface of the connecting end of the large-diameter pipe in an outward arched manner.
And a second annular groove is formed in the cylindrical surface of the connecting end of the small-diameter pipe in an outward arched manner.
The large-diameter pipe and the reducing pipe are made of the same pipe.
The open end of the reducing pipe extends outwards to form a connecting pipe, and the butt joint end of the small-diameter pipe is sleeved on the connecting pipe and is welded and fixed with the connecting pipe.
The opening end of the reducing pipe extends outwards to form a connecting pipe, and the butt joint end of the reducing pipe is in butt joint with the connecting pipe and is welded and fixed.
The reducing pipe is in a conical shape in section.
The utility model has the advantages that: 1. simple structure, low production cost and improved market competitiveness. 2. The reducing pipe is integrally formed on the large-diameter pipe through a rolling process and then welded with the small-diameter pipe, compared with a traditional multi-section welding structure, the reducing pipe can be welded only through one welding line, the process flow is reduced, the production cost is reduced, and meanwhile, the sealing performance is guaranteed. 3. The reducing pipe adopts circular arc transition connection major diameter pipe and minor diameter pipe, and when rivers passed through, the effect of buffering rivers can be played to the arc reducing pipe internal face to reduce the noise that the rivers passed through.
Drawings
Fig. 1 is the assembly effect diagram of the present invention.
Fig. 2 is a sectional view of the structure of the present invention.
Fig. 3 is an assembly view of the structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The utility model provides a thin wall stainless steel pipe reducing connecting piece which characterized in that: the pipe comprises a large-diameter pipe 1 and a small-diameter pipe 2, wherein the butt joint end of the large-diameter pipe 1 is rolled with a circular arc reducing pipe 4, and the butt joint end of the small-diameter pipe 2 is welded and fixed on the opening end of the reducing pipe 4.
The cylindrical surface of the connecting end of the large-diameter pipe 1 is provided with a first annular groove 3 in an outward arched manner.
And a second annular groove 5 is arranged on the cylindrical surface of the connecting end of the small-diameter pipe 2 in an outward arched manner.
The large-diameter pipe 1 and the reducing pipe 4 are made of the same pipe.
The open end of the reducing pipe 4 extends outwards to form a connecting pipe 6, and the butt joint end of the small-diameter pipe 2 is sleeved on the connecting pipe 6 and is welded and fixed with the connecting pipe.
The opening end of the reducing pipe 4 extends outwards to form a connecting pipe 6, and the butt joint end of the small-diameter pipe 2 is in butt joint with the connecting pipe 6 and is welded and fixed.
The reducing pipe 4 is in a conical shape in section.
The working principle is as follows: the big footpath pipe in the present case wherein one end is through processes such as roll extrusion to intraductal shaping undergauge for undergauge pipe and big footpath pipe adopt same tubular product preparation to form, consequently need not to carry out welding operation between big footpath pipe and the undergauge pipe, when simplifying process flow, avoided in the production of multichannel welding seam, the phenomenon that the bearing capacity reduces appears easily, simultaneously, also need not to polish to the welding seam, reduction process flow.
After the large-diameter pipe and the reducing pipe are formed, only one end of the small-diameter pipe is butted with the reducing pipe and then welding operation is carried out. Therefore, compared with the prior art, the structure in the scheme can be formed only by one welding process, thereby greatly improving the production efficiency and reducing the production cost.
Furthermore, in order to enable the welding between the reducing pipe and the small-diameter pipe to be firmer, a connecting pipe 6 extends outwards from the opening end of the reducing pipe 4, and the butt joint end of the small-diameter pipe 2 is sleeved on the connecting pipe 6 and is welded and fixed with the connecting pipe 6. The sleeved structure can realize quick positioning between the two, and simultaneously, the welding seam is more full and beautiful, so the sleeved structure can be widely popularized and used.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a thin wall stainless steel pipe reducing connecting piece which characterized in that: the pipe joint comprises a large-diameter pipe (1) and a small-diameter pipe (2), wherein a circular arc-shaped reducing pipe (4) is rolled at the joint end of the large-diameter pipe (1), and the joint end of the small-diameter pipe (2) is welded and fixed on the opening end of the reducing pipe (4).
2. The thin-wall stainless steel pipe reducing connecting piece of claim 1, which is characterized in that: the cylindrical surface of the connecting end of the large-diameter pipe (1) is provided with a first annular groove (3) in an outward arched manner.
3. The thin-wall stainless steel pipe reducing connecting piece of claim 1, which is characterized in that: and a second annular groove (5) is formed in the cylindrical surface of the connecting end of the small-diameter pipe (2) in an outward arched manner.
4. The thin-wall stainless steel pipe reducing connecting piece of claim 1, which is characterized in that: the large-diameter pipe (1) and the reducing pipe (4) are made of the same pipe.
5. The thin-wall stainless steel pipe reducing connecting piece of claim 1, which is characterized in that: the open end of the reducing pipe (4) extends outwards to form a connecting pipe (6), and the butt joint end of the small-diameter pipe (2) is sleeved on the connecting pipe (6) and is welded and fixed with the connecting pipe.
6. The thin-wall stainless steel pipe reducing connecting piece of claim 1, which is characterized in that: the opening end of the reducing pipe (4) extends outwards to form a connecting pipe (6), and the butt joint end of the small-diameter pipe (2) is in butt joint with the connecting pipe (6) and is welded and fixed.
7. The thin-wall stainless steel pipe reducing connecting piece of claim 1, which is characterized in that: the section of the reducing pipe (4) is in a conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122882491.5U CN217272629U (en) | 2021-11-23 | 2021-11-23 | Thin-wall stainless steel pipe reducing connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122882491.5U CN217272629U (en) | 2021-11-23 | 2021-11-23 | Thin-wall stainless steel pipe reducing connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217272629U true CN217272629U (en) | 2022-08-23 |
Family
ID=82882643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122882491.5U Active CN217272629U (en) | 2021-11-23 | 2021-11-23 | Thin-wall stainless steel pipe reducing connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217272629U (en) |
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2021
- 2021-11-23 CN CN202122882491.5U patent/CN217272629U/en active Active
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