CN214197644U - High-tightness threaded connection stainless steel assembly - Google Patents
High-tightness threaded connection stainless steel assembly Download PDFInfo
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- CN214197644U CN214197644U CN202023013391.0U CN202023013391U CN214197644U CN 214197644 U CN214197644 U CN 214197644U CN 202023013391 U CN202023013391 U CN 202023013391U CN 214197644 U CN214197644 U CN 214197644U
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- connecting piece
- steel pipes
- ring
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Abstract
The utility model discloses a high tight threaded connection stainless steel subassembly, including first connecting piece and second connecting piece, the outside of first connecting piece and second connecting piece all is provided with a connecting portion, threaded connecting hole has in the connecting portion, the tip difference spiro union of two steel pipes passes first connecting piece and second connecting piece, two steel pipes still the spiro union have lock nut on the tip that passes first connecting piece or second connecting piece, have many fixed orificess to mutual correspondence on first connecting piece and the second connecting piece, be connected through bolt and nut between each fixed orifices, still be equipped with a backing ring between the relative tip of two steel pipes, the utility model discloses simple structure, convenient connection, two steel pipes are connected the back closely reliably, difficult production pine takes off.
Description
Technical Field
The utility model relates to a high tight threaded connection stainless steel subassembly.
Background
In the prior art, the connection mode of two steel pipes is that a reducing connection end is processed at the end part of the two steel pipes, an internal thread and an external thread are processed on the connection end, the two steel pipes are directly screwed through the connection end, and if the two steel pipes are used for conveying fluid, a raw material belt is generally required to be wound on the connection end; the two steel pipe connection modes are complex in processing, and the strength of the joint of the two steel pipes is reduced due to the fact that the connecting ends need to be reduced, and the joint of the two steel pipes is prone to deformation and cracking.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of above-mentioned prior art, provide a high tight threaded connection stainless steel subassembly.
The technical scheme of the utility model is that: a high-tightness threaded connection stainless steel assembly comprises a first connecting piece and a second connecting piece;
the first connecting piece and the second connecting piece are both disc bodies;
the outer sides of the first connecting piece and the second connecting piece are both provided with a connecting part, a connecting hole penetrating through the first connecting piece or the second connecting piece is arranged in the connecting part, threads are arranged in the connecting hole, external threads corresponding to the connecting hole are arranged at the end parts of two steel pipes to be connected, the end parts of the two steel pipes are respectively screwed and penetrate through the first connecting piece and the second connecting piece, and locking nuts are further screwed and connected to the end parts of the two steel pipes penetrating through the first connecting piece or the second connecting piece;
the first connecting piece and the second connecting piece are provided with a plurality of pairs of fixing holes corresponding to each other, and the fixing holes are connected through bolts and nuts;
and a backing ring is also arranged between the opposite end parts of the two steel pipes and consists of an outer ring, an inner ring and a connecting ring connected between the outer ring and the inner ring, the connecting ring is arranged between the end parts of the two steel pipes, the outer ring is arranged between the two locking nuts, and the two ends of the inner ring are respectively inserted into the end parts of the two steel pipes and are abutted against the inner walls of the two steel pipes.
And a plurality of limiting blocks are arrayed on the inner side of the first connecting piece.
Further, the inner side of the fixing hole of the second connecting piece is provided with a reinforcing ring.
Furthermore, the nut is abutted against the outer side of the second connecting piece, and a gasket is further arranged at the joint of the nut and the second connecting piece.
Furthermore, the periphery of two ends of the inner ring is provided with a plurality of sealing rings.
Specifically, the limiting block is fan-shaped.
Furthermore, the second connecting piece is also provided with connecting grooves corresponding to the limiting blocks.
The utility model has the advantages that: the utility model has simple structure and convenient connection, the two steel pipes are compact and reliable after being connected, and are not easy to loosen, and the special backing ring is arranged, so the joint of the two steel pipes is not easy to produce leakage and can be used for conveying fluid; especially, it is worth mentioning that the utility model overcomes two steel pipe direct spiro union in traditional mode, need process the interface problem of reducing at the steel pipe tip, make the connection flow who has simplified the steel pipe to the junction that makes two steel pipes becomes more firm reliable.
Drawings
Fig. 1 is a perspective view of a first connecting member and a second connecting member of the present invention;
fig. 2 is a usage state diagram of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Referring to fig. 1 and 2, a high-tightness screw connection stainless steel assembly includes a first connection member 1 and a second connection member 2;
the first connecting piece 1 and the second connecting piece 2 are both disc bodies, a connecting part 3 is arranged on the outer side of each of the first connecting piece 1 and the second connecting piece 2, a connecting hole 4 penetrating through the first connecting piece 1 or the second connecting piece 2 is arranged in each connecting part 3, threads are arranged in each connecting hole 4, external threads corresponding to the connecting hole 4 are arranged at the end parts of two steel pipes 11 to be connected, the end parts of the two steel pipes 11 are respectively screwed and penetrate through the first connecting piece 1 and the second connecting piece 2, and locking nuts 5 are further screwed on the end parts of the two steel pipes 11 penetrating through the first connecting piece 1 or the second connecting piece 2 so as to prevent the steel pipes 11 from rotating and loosening after being fixed;
the first connecting piece 1 and the second connecting piece 2 are provided with a plurality of pairs of fixing holes 6 which correspond to each other, and each pair of fixing holes 6 are connected through a bolt 8 and a nut 9; the inner side of the fixing hole 6 of the second connecting piece 2 is provided with a reinforcing ring 7 so as to ensure that the second connecting piece 2 is not easy to deform when the nut 9 is locked; the nut 9 is abutted with the outer side of the second connecting piece 2, and a gasket 10 is further arranged at the joint of the nut 9 and the second connecting piece 2 to prevent the nut 9 from loosening;
a backing ring is further arranged between the opposite end parts of the two steel pipes 11, the backing ring is composed of an outer ring 12, an inner ring 13 and a connecting ring 14 connected between the outer ring 12 and the inner ring 13, the connecting ring 14 is arranged between the end parts of the two steel pipes 11, the outer ring 12 is arranged between the two locking nuts 5, and two ends of the inner ring 13 are respectively inserted into the end parts of the two steel pipes 11 and are abutted against the inner walls of the two steel pipes 11;
through the structure, the backing ring provides triple sealing for the joint of the two steel pipes 11, so that the joint of the two steel pipes 11 can be effectively prevented from leaking;
specifically, the backing ring is of a rubber integrally-formed structure;
in another embodiment, the outer peripheries of the two ends of the inner ring 13 are provided with a plurality of sealing rings to improve the sealing performance of the joint of the inner ring 13 and the inner wall of the steel pipe 11, and the two ends of the outer ring 12 are abutted against the two locking nuts 5 to further prevent leakage;
a plurality of limiting blocks 15 are arrayed on the inner side of the first connecting piece 1, each limiting block 15 plays a role in enhancing the structural strength of the first connecting piece 1 and the second connecting piece 2 after connection, dislocation of the joint of the two steel pipes 11 caused by external collision is avoided, and a space is reserved for the position of the outer ring 12 of the backing ring by the limiting blocks 15, so that the outer ring 12 of the backing ring is prevented from being extruded and losing the sealing function due to over-deep locking of the end parts of the two steel pipes 11;
specifically, the shape of the limiting block 15 is a sector, so that the manufacturing cost is reduced on the premise of providing the maximum protection and reinforcement function;
in another embodiment, the second connecting member 2 further has connecting grooves corresponding to the limiting blocks 15, so that the connecting manner between the first connecting member 1 and the second connecting member 2 is more compact and reliable;
preferably, the first connecting piece 1 and the second connecting piece 2 are both stainless steel pieces, and the thicknesses of the first connecting piece 1 and the second connecting piece 2 are both 2 cm.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high close threaded connection stainless steel subassembly which characterized in that: comprises a first connecting piece and a second connecting piece;
the first connecting piece and the second connecting piece are both disc bodies;
the outer sides of the first connecting piece and the second connecting piece are both provided with a connecting part, a connecting hole penetrating through the first connecting piece or the second connecting piece is arranged in the connecting part, threads are arranged in the connecting hole, external threads corresponding to the connecting hole are arranged at the end parts of two steel pipes to be connected, the end parts of the two steel pipes are respectively screwed and penetrate through the first connecting piece and the second connecting piece, and locking nuts are further screwed and connected to the end parts of the two steel pipes penetrating through the first connecting piece or the second connecting piece;
the first connecting piece and the second connecting piece are provided with a plurality of pairs of fixing holes corresponding to each other, and the fixing holes are connected through bolts and nuts;
a backing ring is further arranged between the opposite end parts of the two steel pipes, the backing ring consists of an outer ring, an inner ring and a connecting ring connected between the outer ring and the inner ring, the connecting ring is arranged between the end parts of the two steel pipes, the outer ring is arranged between the two locking nuts, and the two ends of the inner ring are respectively inserted into the end parts of the two steel pipes and are abutted against the inner walls of the two steel pipes;
and a plurality of limiting blocks are arrayed on the inner side of the first connecting piece.
2. A high-tightness threaded stainless steel component according to claim 1, characterized in that: and a reinforcing ring is arranged on the inner side of the fixing hole of the second connecting piece.
3. A high-tightness threaded stainless steel component according to claim 2, characterized in that: the nut is abutted against the outer side of the second connecting piece, and a gasket is further arranged at the joint of the nut and the second connecting piece.
4. A high-tightness threaded stainless steel component according to claim 3, characterized in that: the periphery of the two ends of the inner ring is provided with a plurality of sealing rings.
5. The high-tightness threaded stainless steel assembly according to claim 4, wherein: the limiting block is fan-shaped.
6. The high-tightness threaded stainless steel assembly according to claim 5, wherein: the second connecting piece is also provided with connecting grooves corresponding to the limiting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023013391.0U CN214197644U (en) | 2020-12-15 | 2020-12-15 | High-tightness threaded connection stainless steel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023013391.0U CN214197644U (en) | 2020-12-15 | 2020-12-15 | High-tightness threaded connection stainless steel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214197644U true CN214197644U (en) | 2021-09-14 |
Family
ID=77652516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023013391.0U Active CN214197644U (en) | 2020-12-15 | 2020-12-15 | High-tightness threaded connection stainless steel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214197644U (en) |
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2020
- 2020-12-15 CN CN202023013391.0U patent/CN214197644U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 217 Ruiyang Avenue, Xiping Street Industrial Park, Songyang County, Lishui City, Zhejiang Province 323000 Patentee after: Zhejiang Baofeng Special Materials Co.,Ltd. Address before: 323400 217 Rui Yang Road, Songyang County Industrial Park, Lishui, Zhejiang Patentee before: BAOFENG STEEL GROUP CO.,LTD. |