CN212028865U - S-shaped elbow ring-pressing pipe fitting - Google Patents
S-shaped elbow ring-pressing pipe fitting Download PDFInfo
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- CN212028865U CN212028865U CN202020560180.XU CN202020560180U CN212028865U CN 212028865 U CN212028865 U CN 212028865U CN 202020560180 U CN202020560180 U CN 202020560180U CN 212028865 U CN212028865 U CN 212028865U
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Abstract
The utility model relates to a stainless steel pipe fitting and technical field, in particular to S type elbow ring crush pipe fitting, including the pipe body, set up in the connecting pipe body at pipe body both ends and set up the sealing member in the connecting pipe body, the pipe body is the S type, every be provided with two at least annular concave parts on the connecting pipe body, the annular concave part sets up along the length direction interval of connecting the pipe body, the sealing member includes slim sealed body and the block body of setting at sealed body both ends, the laminating of sealed body is on the inner wall of connecting the pipe body, the block body is blocked respectively and is established in the annular concave part that corresponds the end. The utility model discloses a sealing member sets up two interval distribution's the body of blocking, and two annular concave parts play axial positioning's effect to the sealing member is whole around making, avoid shifting at the sealing member and influence the sealing performance of tube coupling.
Description
Technical Field
The utility model relates to a stainless steel pipe fitting and technical field, in particular to S type elbow ring crush pipe fitting.
Background
The traditional industrial and civil building water supply pipeline is mainly formed by connecting pipes of galvanized steel, PP-R plastic, lining plastic steel and the like into a system in the modes of screw thread, mantle fiber, hoop, welding, bonding and the like. The processing and manufacturing are complex, the construction is complicated, and the construction efficiency is low; the quality of the welded and bonded pipeline interface is difficult to guarantee, the interface part is easy to leak and other quality problems, and the welding part needs to be subjected to anti-corrosion treatment, so that the water quality sanitation is influenced to a certain extent. In addition, the surface of the galvanized steel pipe is easy to oxidize and corrode, and the plastic pipe is easy to age, so that the phenomena of surface cracking, bending deformation and the like are generated, and the appearance quality and the service life are influenced.
The utility model discloses a chinese utility model patent that publication number is CN201884826U discloses a socket joint ring pressure formula dicyclo metal pipe fitting, including the pipe fitting main part, the tip of pipe fitting main part is bilayer structure, is ring pressing portion and socket joint portion from outside to inside in proper order, is the space between ring pressing portion and the socket joint portion, and this space communicates with each other outside with pipe fitting main part tip, has two depressed grooves in the ring pressing portion, is provided with 0 type sealing washer in every depressed groove, and its shortcoming lies in that O type sealing washer appears shifting easily when the assembly, directly influences the leakproofness and the security of pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a S type elbow ring crush pipe fitting solves among the prior art problem that the sealing washer shifts easily, influences sealing performance.
The above object of the present invention can be achieved by the following technical solutions: the utility model provides a S type elbow ring crush pipe fitting, includes the pipe body, sets up in the connecting pipe body at pipe body both ends and sets up the sealing member in the connecting pipe body, the pipe body is the S type, every be provided with two at least annular concave parts on the connecting pipe body, the annular concave part sets up along the length direction interval of connecting the pipe body, the sealing member includes slim sealing body and the block body of setting at sealing body both ends, the laminating of sealing body is on the inner wall of connecting the pipe body, the block body is established in the annular concave part that corresponds the end respectively the card.
Preferably, the inner diameter of the portion of the connecting pipe body located between the two annular concave portions is larger than the inner diameter of both ends of the connecting pipe body.
Preferably, the sealing element is provided with a plurality of annular beads distributed at intervals, and the annular beads protrude out of the inner wall of the sealing element.
Preferably, the pipe body comprises a first straight pipe, a second straight pipe and two arc pipes, the two arc pipes are arranged in opposite directions, the second straight pipe is connected between the two arc pipes, the first straight pipe is arranged at the other end of each arc pipe, and the connecting pipe body is arranged at the end part of the first straight pipe.
Preferably, the first straight pipe, the second straight pipe and the arc-shaped pipe are of an integrated structure.
Preferably, the inner diameter of the connecting pipe body is larger than that of the first straight pipe, and a limiting step is formed at the connecting part of the connecting pipe body and the first straight pipe.
Preferably, a pad body which is attached to the limiting step is arranged at the end part of the sealing body, the pad body is formed by extending the end part of the sealing body to the radial direction, and the inner diameter of the pad body is larger than or equal to that of the first straight pipe.
The utility model has the advantages that: the utility model discloses a sealing member sets up two interval distribution's the body of blocking, and two annular concave parts play axial positioning's effect to the sealing member is whole around making, avoid shifting at the sealing member and influence the sealing performance of tube coupling.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a partial sectional view of embodiment 1 of the present invention;
fig. 3 is a sectional view of a connecting pipe body according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a sealing member in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a sealing member in embodiment 2 of the present invention;
in the figure: 1-tube body, 101-first straight tube, 102-arc tube, 103-second straight tube, 2-connecting tube body, 201-annular concave part, 202-limiting step, 3-sealing element, 301-sealing body, 302-clamping body and 303-cushion body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.
Example 1: as shown in fig. 1 to 4, an S-shaped elbow ring-pressing pipe fitting comprises a pipe body 1, a connecting pipe body 2 arranged at two ends of the pipe body 1, and a sealing member 3 arranged in the connecting pipe body 2, wherein the pipe body 1 is S-shaped, the pipe body 1 comprises a first straight pipe 101, a second straight pipe 103 and two arc pipes 102, two arc pipes 102 are reversely arranged, the second straight pipe 103 is connected between the two arc pipes 102, the first straight pipe 101 is arranged at the other end of the arc pipe 102, and the connecting pipe body 2 is arranged at the end part of the first straight pipe 101.
The first straight pipe 101, the second straight pipe 103 and the arc pipe 102 are of an integrated structure.
The inner diameter of the connecting pipe body 2 is larger than that of the first straight pipe 101, and a limit step 202 is formed at the connecting part of the connecting pipe body 2 and the first straight pipe 101.
Each connecting pipe body 2 is provided with a plurality of annular recesses 201, and the number of annular recesses 201 is two in the present embodiment. Two annular recesses 201 are provided at intervals in the longitudinal direction of the connecting pipe body 2.
As shown in fig. 2 to 4, the sealing member 3 includes a thin sealing body 301 and engaging bodies 302 provided at both ends of the sealing body 301, the sealing body 301 is attached to the inner wall of the connecting pipe body 2, and the engaging bodies 302 are respectively engaged with the annular recesses 201 at the corresponding ends. The sealing body 301 and the engaging body 302 are of an integral structure and made of rubber.
The inner diameter R2 of the portion of the connecting pipe body 2 located between the two annular recesses 201 is larger than the inner diameter R1 of both ends of the connecting pipe body 2, while the outer diameter of the seal body 301 located between the two engaging bodies 302 is larger than the outer diameter of both ends of the seal body 301.
In order to further improve the installation stability of the sealing member 3, the inner wall of the connecting pipe body 2 is provided with a protruding positioning strip, which is an annular strip and is located on the inner wall between two adjacent annular concave portions 201. The sealing body 301 is provided with an annular positioning groove which is positioned between the two snap bodies 302. The positioning groove is matched with the positioning strip, and the positioning strip is clamped in the positioning groove.
The sealing body 301 is provided with a plurality of annular pressing strips distributed at intervals, the annular pressing strips protrude out of the inner wall of the sealing body 301, the annular pressing strips can increase the friction force between the sealing element 3 and the connected steel pipe, and the pulling resistance performance after the pipe connection is improved.
Example 2: as shown in fig. 5, the difference from embodiment 1 is that the end of the sealing body 301 is provided with a pad 303 for being attached to the limit step 202, and the pad 303 is formed by extending the end of the sealing body 301 in the radial direction. The cushion 303 and the sealing body 301 are of an integral structure and made of rubber. The inner diameter of the cushion body 303 is larger than or equal to the inner diameter of the first straight pipe 101, when the steel pipe to be connected is inserted into the connecting pipe body 2, the end part of the steel pipe to be connected props against the cushion body 303, so that the side wall of the steel pipe to be connected and the connecting pipe body 2 are sealed through the sealing body 301, the end part of the steel pipe to be connected and the limiting step 202 are sealed through the cushion body 303, and the sealing performance of pipeline connection is further improved.
Claims (7)
1. The utility model provides a pipe fitting is pressed to S type elbow ring, includes pipe body (1), sets up in connecting body (2) at pipe body (1) both ends and sets up sealing member (3) in connecting body (2), pipe body (1) is the S type, its characterized in that: each connecting pipe body (2) is provided with at least two annular concave parts (201), the annular concave parts (201) are arranged at intervals along the length direction of the connecting pipe body (2), the sealing element (3) comprises a thin sealing body (301) and clamping bodies (302) arranged at two ends of the sealing body (301), the sealing body (301) is attached to the inner wall of the connecting pipe body (2), and the clamping bodies (302) are respectively clamped in the annular concave parts (201) at corresponding ends.
2. The S-bend ring-crush tube of claim 1, wherein: the inner diameter of the part of the connecting pipe body (2) located between the two annular concave parts (201) is larger than the inner diameters of the two ends of the connecting pipe body (2).
3. The S-bend ring-crush tube of claim 1, wherein: the sealing element (3) is provided with a plurality of annular pressing strips distributed at intervals, and the annular pressing strips protrude out of the inner wall of the sealing element (3).
4. The S-bend ring-crush tube of claim 1, wherein: the pipe body (1) comprises a first straight pipe (101), a second straight pipe (103) and two arc pipes (102), the arc pipes (102) are arranged in a reverse direction, the second straight pipe (103) is connected between the two arc pipes (102), the first straight pipe (101) is arranged at the other end of the arc pipes (102), and the connecting pipe body (2) is arranged at the end part of the first straight pipe (101).
5. The S-bend ring-crush tube of claim 4, wherein: the first straight pipe (101), the second straight pipe (103) and the arc-shaped pipe (102) are of an integrated structure.
6. The S-bend ring-crush tube of claim 5, wherein: the inner diameter of the connecting pipe body (2) is larger than that of the first straight pipe (101), and a limiting step (202) is formed at the connecting part of the connecting pipe body (2) and the first straight pipe (101).
7. The S-bend ring-crush tube of claim 6, wherein: the end part of the sealing body (301) is provided with a pad body (303) which is attached to the limiting step (202), the pad body (303) is formed by extending the end part of the sealing body (301) to the radial direction, and the inner diameter of the pad body (303) is larger than or equal to that of the first straight pipe (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020560180.XU CN212028865U (en) | 2020-04-15 | 2020-04-15 | S-shaped elbow ring-pressing pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020560180.XU CN212028865U (en) | 2020-04-15 | 2020-04-15 | S-shaped elbow ring-pressing pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212028865U true CN212028865U (en) | 2020-11-27 |
Family
ID=73495342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020560180.XU Active CN212028865U (en) | 2020-04-15 | 2020-04-15 | S-shaped elbow ring-pressing pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212028865U (en) |
-
2020
- 2020-04-15 CN CN202020560180.XU patent/CN212028865U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 313000 No. 769, Changxing Avenue, economic and Technological Development Zone, Changxing County, Huzhou City, Zhejiang Province Patentee after: Huzhou co he Pipe Co.,Ltd. Address before: 313000 8 Shuang Lin Road, Shuang Lin Town, Nanxun District, Huzhou, Zhejiang Patentee before: Huzhou co he Pipe Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 313000 No. 769, Changxing Avenue, Changxing Economic and Technological Development Zone, Changxing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Gonghe Industrial Co.,Ltd. Address before: 313000 No. 769, Changxing Avenue, economic and Technological Development Zone, Changxing County, Huzhou City, Zhejiang Province Patentee before: Huzhou co he Pipe Co.,Ltd. |