CN217177835U - Cross-pipe connecting pipe fitting - Google Patents
Cross-pipe connecting pipe fitting Download PDFInfo
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- CN217177835U CN217177835U CN202220886274.5U CN202220886274U CN217177835U CN 217177835 U CN217177835 U CN 217177835U CN 202220886274 U CN202220886274 U CN 202220886274U CN 217177835 U CN217177835 U CN 217177835U
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Abstract
The utility model discloses a cross-pipe connection pipe fitting. A cross-pipe connecting pipe fitting comprises a cross-pipe connecting pipe fitting body, wherein the cross-pipe connecting pipe fitting body comprises a vertical short pipe section and a transverse short pipe section, a short straight pipe section B, a short bent section B, a short straight pipe section A and a short vertical short pipe section A, one end of the short straight pipe section A and one side of the short vertical pipe section A are sequentially connected, and the short straight pipe section A and the short vertical pipe section A are in through sealing connection; the inner walls of at least 4-edge thickened end openings of a short straight pipe section B of the cross pipe connecting pipe body are integrally cast and formed, and the inner walls of the upper and lower end openings of a vertical short pipe section are provided with thread sections; the port end port of the short straight pipe section B of the integrally cast cross-pipe connecting pipe fitting body is provided with at least 4-edge widening sections. The pipeline cross-pipe connection is conveniently realized, the number of pipe fittings is reduced, and the pipeline cross-pipe connection installation efficiency is improved; the cross-pipe connection with the dry sealing pipeline is conveniently realized.
Description
Technical Field
The utility model belongs to a pipeline connecting piece especially belongs to a cross union coupling pipe fitting.
Background
At present, the existing pipeline cross-pipe connection generally uses a tee pipe fitting, a transverse short pipe with a bending part is in threaded connection or a vertical short pipe and the transverse short pipe with the bending part are directly in welded connection. The existing pipeline cross-pipe connection mode using a three-way pipe fitting and a transverse short pipe thread with a bent part needs more pipe fitting joints, has low installation efficiency and causes more leakage risk points in the pipeline; and the pipeline cross-pipe connection mode of using the vertical short pipe and the transverse short pipe with the bending part for welding connection increases welding spots, so that the pipeline cross-pipe connection is inconvenient, and the installation efficiency is low. How to conveniently realize cross-pipe connection of pipelines, reduce the number of pipe fittings used, reduce leakage risk points of the pipelines and improve the cross-pipe connection and installation efficiency of the pipelines; how to conveniently realize the cross-pipe connection with the dry sealing pipeline and improve the cross-pipe sealing effect of the dry sealing pipeline is the problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a cross-over connection fitting is provided. The cross-pipe connecting pipe fitting can conveniently realize the cross-pipe connection of pipelines, reduce the number of pipe fittings used, reduce the leakage risk points of the pipelines and improve the cross-pipe connection and installation efficiency of the pipelines; the pipe-crossing connection with the dry sealing pipeline can be realized conveniently, and the pipe-crossing sealing effect of the dry sealing pipeline is improved.
The utility model provides an above-mentioned technical problem's technical scheme be: a cross-pipe connecting pipe fitting is characterized in that: the cross-pipe connecting pipe fitting body comprises a vertical short pipe section and a transverse short pipe section, wherein the transverse short pipe section comprises a B short straight pipe section, a bent section and an A short straight pipe section which are sequentially connected from left to right; the outer surface of the port end of the short straight pipe section B on one side, far away from the vertical short pipe section, of the integrally cast and formed cross-pipe connecting pipe fitting body is provided with at least 4-edge annular protruding ring thickened parts, the port end of the short straight pipe section B of the integrally cast and formed cross-pipe connecting pipe fitting body and the at least 4-edge annular protruding ring thickened parts on the outer surface of the port end are integrally cast and formed to form at least 4-edge thickened end ends, the inner wall of the port end of the short straight pipe section B of the integrally cast and formed cross-pipe connecting pipe fitting body is provided with a threaded section, and the inner walls of the upper port end and the lower port end of the vertical short pipe section are provided with threaded sections;
at least 4-edge thickened end inner wall thread sections of the short straight pipe section B of the integrally cast cross-pipe connecting pipe fitting body are one of common thread sections connected with common thread pipelines or dry sealing thread sections connected with dry sealing thread pipelines; the thread sections of the inner walls of the upper and lower port ends of the vertical short pipe section are one of common thread sections connected with a common thread pipeline or dry sealing thread sections connected with a dry sealing thread pipeline;
the thread skew sizes of the thread teeth of at least 4 edges of the short straight pipe sections B of the integrally cast cross-pipe connecting pipe fitting body, the dry sealing thread sections at the end openings and the dry sealing thread sections at the inner walls of the upper end opening and the lower end opening of the short vertical pipe section are not more than 1/2-3/4P, the deflection angles are not more than 40 '-1 degree 56', and the offset of the thread axis is not more than 1-1.5 mm; the thread tooth form angular tolerance of the short straight tube section B of the integrated cast-molded cross-tube connecting tube body, which is at least 4-edge thickened end inner wall dry sealing thread section and the vertical short tube section, upper and lower end inner wall dry sealing thread sections is 55 +/-2 degrees, and the taper is 1: 12.5-1: 16. the tolerances of the chamfer angles are all 45 degrees +/-1 degree, and the tolerances of the chamfer diameters are all less than or equal to D + 1/2P-1P;
the port of the end of the at least 4-edge thickened end of the short straight pipe section B of the integrally cast cross-pipe connecting pipe fitting body is also provided with the at least 4-edge widened section, and the port of the end of the at least 4-edge thickened end of the short straight pipe section B of the integrally cast cross-pipe connecting pipe fitting body and the at least 4-edge widened section are integrally cast and formed; the internal diameter of the vertical section of the at least 4-edge widening section of the port at the at least 4-edge thickening end of the B shorter straight pipe section of the integrally cast and molded cross-pipe connecting pipe fitting body is larger than the internal diameter of the vertical section of the at least 4-edge thickening end of the B shorter straight pipe section by 2-3 mm, and the length of the at least 4-edge widening section of the port at the at least 4-edge thickening end of the B shorter straight pipe section of the integrally cast and molded cross-pipe connecting pipe fitting body is 5-8 mm.
The preparation method of the dry sealing thread section of the inner wall of the end part of the short straight pipe section B and the dry sealing thread sections of the inner walls of the upper end part and the lower end part of the vertical short pipe section B, which are integrally cast and formed, of the cross pipe connecting pipe body adopts the prior art; see grant publication No.: CN212251540U, name of utility model: a Chinese granted patent document of a dry seal threaded pipe fitting for a gas pipeline.
The utility model discloses a use is: the utility model discloses it is the same with ordinary screw pipeline mounting means or dry seal screw pipeline mounting means to stride union coupling pipe fitting mounting means, the utility model discloses it realizes striding union coupling pipe fitting and being connected the pipeline and fills with sealing material to stride union coupling pipe fitting 4 arriss at least thickening sections inner space of its B short straight tube section at least thickening end port after the installation is accomplished, it is right the utility model discloses stride union coupling pipe fitting's the short straight tube section at least 4 arriss thickening end port inner wall screw thread section and play sealed guard action.
The utility model has the advantages that: because the utility model discloses stride the union coupling pipe fitting body and include vertical stub pipe section, horizontal stub pipe section includes B shorter straight tube section, curved section, A shorter straight tube section that from left to right order connects, and the A shorter straight tube section one end and the vertical stub pipe section one side pipe wall of A shorter straight tube section link up sealing connection, and the B shorter straight tube section, curved section that the order connects, use its one end and vertical stub pipe section one side pipe wall to link up sealing connection's A shorter straight tube section and vertical stub pipe section integrated casting shaping to constitute and stride the union coupling pipe fitting body; the short straight tube section port end surface of B that vertical stub pipe section one side was kept away from to pipe connection pipe fitting body is striden in integrative casting shaping has 4 arriss annular bulge ring thickening parts at least, the short straight tube section port end of B that pipe connection pipe fitting body is striden in integrative casting shaping constitutes 4 arriss thickening port end at least rather than the integrative casting shaping of 4 arriss annular bulge ring thickening parts on the surface, the short straight tube section at least 4 arriss thickening port end inner walls of B that pipe connection pipe fitting body is striden in integrative casting shaping are provided with the screw thread section, on the vertical stub pipe section, two lower port end inner walls are provided with the screw thread section. The pipeline is conveniently connected across the pipes, the number of pipe fittings used is reduced, the risk points of pipeline leakage are reduced, and the pipeline connection installation efficiency across the pipes is improved.
Because the B short straight pipe section and at least 4-edge thickened end inner wall thread sections of the cross pipe connecting pipe fitting body are integrally cast into a dry sealing thread section connected with a dry sealing thread pipeline; the thread sections of the inner walls of the upper and lower port ends of the vertical short pipe section are dry sealing thread sections connected with a dry sealing thread pipeline; the cross-pipe connection with the dry seal threaded pipeline is realized conveniently, and the cross-pipe sealing effect of the dry seal threaded pipeline is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 and 2 are perspective views of embodiment 1 of the present invention;
fig. 3 and 4 are perspective views of embodiment 2 or embodiment 3 of the present invention;
in the drawings: 1. the cross pipe is connected with a pipe body, 11 vertical short pipe sections, 12 transverse short pipe sections, 121.A short straight pipe sections, 122 curved sections, 123.B short straight pipe sections, 1231.6 edge thickened end ends, 2 common thread sections, 3 dry sealing thread sections and 4.6 edge widened sections.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
Example 1
As shown in fig. 1 and 2, a cross-pipe connecting pipe fitting is characterized in that: the cross-pipe connecting pipe fitting comprises a cross-pipe connecting pipe fitting body 1, wherein the cross-pipe connecting pipe fitting body 1 comprises a vertical short pipe section 11 and a transverse short pipe section 12, the transverse short pipe section 12 comprises a B short straight pipe section 123, a bent section 122 and an A short straight pipe section 121 which are sequentially connected from left to right (the observer faces the attached drawing 1 of the utility model, the left side of the observer is the left side of the transverse short pipe section, and the right side of the observer is the right side of a workbench of the transverse short pipe section), one end of the A short straight pipe section 121 is connected with the pipe wall of one side of the vertical short pipe section 11 in a through sealing manner, and the B short straight pipe section 123, the bent section 122, the A short straight pipe section 121 which is connected with one end of the A short pipe section 11 in a through sealing manner, and the vertical short pipe section 11 are integrally cast and formed to form the cross-pipe connecting pipe fitting body; the outer surface of the end of the port of the short straight pipe section B123 on one side, far away from the vertical short pipe section 11, of the integrally cast and formed straddle pipe connecting pipe fitting body is provided with a 6-edge annular bulge ring thickened part, the end of the port of the short straight pipe section B123 of the integrally cast and formed straddle pipe connecting pipe fitting body and the 6-edge annular bulge ring thickened part on the outer surface of the port are integrally cast and formed to form a 6-edge thickened end 1231, the inner wall of the end 1231 of the thick end of the short straight pipe section B6 of the integrally cast and formed straddle pipe connecting pipe fitting body is provided with a threaded section, and the inner walls of the upper and lower port ends of the vertical short pipe section 11 are provided with threaded sections;
the inner wall thread section of the thickened end 1231 of the short straight pipe section 6 edges of the integrally cast cross-pipe connecting pipe fitting body B is a common thread section 2 connected with a common thread pipeline; the thread sections of the inner walls of the upper and lower port ends of the vertical short pipe section 11 are common thread sections 2 connected with common thread pipelines.
Example 2
As shown in fig. 3 and 4, a cross-pipe connecting pipe fitting is characterized in that: the cross-pipe connecting pipe fitting comprises a cross-pipe connecting pipe fitting body 1, wherein the cross-pipe connecting pipe fitting body 1 comprises a vertical short pipe section 11 and a transverse short pipe section 12, the transverse short pipe section 12 comprises a B short straight pipe section 123, a bent section 122 and an A short straight pipe section 121 which are sequentially connected from left to right (the observer faces the attached drawing 1 of the utility model, the left side of the observer is the left side of the transverse short pipe section, and the right side of the observer is the right side of a workbench of the transverse short pipe section), one end of the A short straight pipe section 121 is connected with the pipe wall of one side of the vertical short pipe section 11 in a through sealing manner, and the B short straight pipe section 123, the bent section 122, the A short straight pipe section 121 which is connected with one end of the A short pipe section 11 in a through sealing manner, and the vertical short pipe section 11 are integrally cast and formed to form the cross-pipe connecting pipe fitting body; the outer surface of the end of the port of the short straight pipe section B123 on one side, far away from the vertical short pipe section 11, of the integrally cast and formed straddle pipe connecting pipe fitting body is provided with a 6-edge annular bulge ring thickened part, the end of the port of the short straight pipe section B123 of the integrally cast and formed straddle pipe connecting pipe fitting body and the 6-edge annular bulge ring thickened part on the outer surface of the port are integrally cast and formed to form a 6-edge thickened end 1231, the inner wall of the end 1231 of the thick end of the short straight pipe section B6 of the integrally cast and formed straddle pipe connecting pipe fitting body is provided with a threaded section, and the inner walls of the upper and lower port ends of the vertical short pipe section 11 are provided with threaded sections;
the inner wall thread section of the thickened end 1231 of the short straight pipe section 6 edge of the integrally cast cross-pipe connecting pipe fitting body is a dry sealing thread section 3 connected with a dry sealing thread pipeline; the thread sections of the inner walls of the upper and lower port ends of the vertical short pipe section 11 are dry sealing thread sections 3 connected with a dry sealing thread pipeline;
the thread skew sizes of the thread teeth of the short straight pipe section 6 edge thickened end inner wall dry sealing thread section 3 of the cross pipe connecting pipe fitting body B and the upper and lower end inner wall dry sealing thread sections 3 of the vertical short pipe section 11 are not more than 1/2-3/4P, the deflection angles are not more than 40 '-1 degree 56', and the thread axis offset is not more than 1-1.5 mm; the thread tooth form angular tolerance of the short 6 arris thickened end inner wall dry sealing thread section 3 of the B short straight pipe section and the upper and lower two end inner wall dry sealing thread sections 3 of the vertical short pipe section of the integrally cast and formed cross-pipe connecting pipe fitting body is 55 degrees +/-2 degrees, and the taper is 1: 12.5-1: 16. the tolerances of the chamfer angles are all 45 degrees +/-1 degree, and the tolerances of the chamfer diameters are all less than or equal to D + 1/2P-1P;
the port 1231 of the thickened end part with 6 edges of the short straight pipe section B of the integrally cast and formed straddle pipe connecting pipe fitting body is also provided with a widened section 4 with 6 edges, and the port 1232 of the thickened end part with 6 edges of the short straight pipe section B of the integrally cast and formed straddle pipe connecting pipe fitting body is integrally cast and formed with the widened section 4 with 6 edges; the internal diameter of the vertical section of the 6-edge widened section 4 of the port 1231 of the short straight tube section 6-edge thickened end of the B-shaped cross-tube connecting tube piece body is larger than the internal diameter of the vertical section of the port 1231 of the short straight tube section 6-edge thickened end of the B-shaped cross-tube connecting tube piece body by 2 mm along the vertical section of the port, and the length of the 6-edge widened section 4 of the port 1231 of the short straight tube section 6-edge thickened end of the B-shaped cross-tube connecting tube piece body is 5 mm.
Example 3
As shown in fig. 3 and 4, a cross-pipe connecting pipe fitting is characterized in that: the cross-pipe connecting pipe fitting comprises a cross-pipe connecting pipe fitting body 1, wherein the cross-pipe connecting pipe fitting body 1 comprises a vertical short pipe section 11 and a transverse short pipe section 12, the transverse short pipe section 12 comprises a B short straight pipe section 123, a bent section 122 and an A short straight pipe section 121 which are sequentially connected from left to right (the observer faces the attached drawing 1 of the utility model, the left side of the observer is the left side of the transverse short pipe section, and the right side of the observer is the right side of a workbench of the transverse short pipe section), one end of the A short straight pipe section 121 is connected with the pipe wall of one side of the vertical short pipe section 11 in a through sealing manner, and the B short straight pipe section 123, the bent section 122, the A short straight pipe section 121 which is connected with one end of the A short pipe section 11 in a through sealing manner, and the vertical short pipe section 11 are integrally cast and formed to form the cross-pipe connecting pipe fitting body; the outer surface of the end of the port of the short straight pipe section B123 on one side, far away from the vertical short pipe section 11, of the integrally cast and formed straddle pipe connecting pipe fitting body is provided with a 6-edge annular bulge ring thickened part, the end of the port of the short straight pipe section B123 of the integrally cast and formed straddle pipe connecting pipe fitting body and the 6-edge annular bulge ring thickened part on the outer surface of the port are integrally cast and formed to form a 6-edge thickened end 1231, the inner wall of the end 1231 of the thick end of the short straight pipe section B6 of the integrally cast and formed straddle pipe connecting pipe fitting body is provided with a threaded section, and the inner walls of the upper and lower port ends of the vertical short pipe section 11 are provided with threaded sections;
the inner wall thread section of the thickened end 1231 of the short straight pipe section 6 edge of the integrally cast cross-pipe connecting pipe fitting body is a dry sealing thread section 3 connected with a dry sealing thread pipeline; the thread sections of the inner walls of the upper and lower port ends of the vertical short pipe section 11 are dry sealing thread sections 3 connected with a dry sealing thread pipeline;
the thread skew sizes of the thread teeth of the short straight pipe section 6 edge thickened end inner wall dry sealing thread section 3 of the cross pipe connecting pipe fitting body B and the upper and lower end inner wall dry sealing thread sections 3 of the vertical short pipe section 11 are not more than 1/2-3/4P, the deflection angles are not more than 40 '-1 degree 56', and the thread axis offset is not more than 1-1.5 mm; the thread tooth form angular tolerance of the short 6 arris thickened end inner wall dry sealing thread section 3 of the B short straight pipe section and the upper and lower two end inner wall dry sealing thread sections 3 of the vertical short pipe section of the integrally cast and formed cross-pipe connecting pipe fitting body is 55 degrees +/-2 degrees, and the taper is 1: 12.5-1: 16. the tolerances of the chamfer angles are all 45 degrees +/-1 degree, and the tolerances of the chamfer diameters are all less than or equal to D + 1/2P-1P;
the port 1231 of the thickened end part with 6 edges of the short straight pipe section B of the integrally cast and formed straddle pipe connecting pipe fitting body is also provided with a widened section 4 with 6 edges, and the port 1232 of the thickened end part with 6 edges of the short straight pipe section B of the integrally cast and formed straddle pipe connecting pipe fitting body is integrally cast and formed with the widened section 4 with 6 edges; the internal diameter of the vertical section of the 6-edge widened section 4 of the port 1231 of the short straight tube section 6-edge thickened end of the B-shaped cross-tube connecting tube piece body is larger than the internal diameter of the vertical section of the port 1231 of the short straight tube section 6-edge thickened end of the B-shaped cross-tube connecting tube piece body by 3 mm along the vertical section of the port, and the length of the 6-edge widened section 4 of the port 1231 of the short straight tube section 6-edge thickened end of the B-shaped cross-tube connecting tube piece body is 8 mm.
From the above description, those skilled in the art can make various changes and modifications without departing from the technical spirit of the present invention, and the present invention is within the protection scope of the present invention. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (4)
1.A cross-pipe connecting pipe fitting is characterized in that: the cross-pipe connecting pipe fitting body comprises a vertical short pipe section and a transverse short pipe section, wherein the transverse short pipe section comprises a short straight pipe section B, a bent section and a short straight pipe section A which are sequentially connected from left to right; the short straight tube section port end surface of B that vertical stub pipe section one side was kept away from to pipe connection pipe fitting body is striden in integrative casting shaping has 4 arriss annular bulge ring thickening parts at least, the short straight tube section port end of B that pipe connection pipe fitting body is striden in integrative casting shaping constitutes 4 arriss thickening port end at least rather than the integrative casting shaping of 4 arriss annular bulge ring thickening parts on the surface, the short straight tube section at least 4 arriss thickening port end inner walls of B that pipe connection pipe fitting body is striden in integrative casting shaping are provided with the screw thread section, on the vertical stub pipe section, two lower port end inner walls are provided with the screw thread section.
2. A cross-pipe connecting fitting as claimed in claim 1, wherein: at least 4-edge thickened end inner wall thread sections of the short straight pipe section B of the integrally cast cross-pipe connecting pipe fitting body are one of common thread sections connected with common thread pipelines or dry sealing thread sections connected with dry sealing thread pipelines; the thread sections of the inner walls of the upper and lower port ends of the vertical short pipe section are one of common thread sections connected with common thread pipelines or dry sealing thread sections connected with dry sealing thread pipelines.
3. A cross-pipe connecting fitting as claimed in claim 2, wherein: the thread skew sizes of the thread teeth of at least 4 edges of the short straight pipe sections B of the integrally cast cross-pipe connecting pipe fitting body, the dry sealing thread sections at the end openings and the dry sealing thread sections at the inner walls of the upper end opening and the lower end opening of the short vertical pipe section are not more than 1/2-3/4P, the deflection angles are not more than 40 '-1 degree 56', and the offset of the thread axis is not more than 1-1.5 mm; the thread tooth form angle tolerance of the short B straight pipe section of the cross-pipe connection pipe fitting body formed by casting at least 4 ribs of the thickened end inner wall dry sealing thread section and the upper and lower end inner wall dry sealing thread sections of the vertical short pipe section is 55 degrees +/-2 degrees, and the taper is 1: 12.5-1: 16. the tolerances of the chamfer angles are all 45 degrees +/-1 degree, and the tolerances of the chamfer diameters are all less than or equal to D + 1/2P-1P.
4. A cross-pipe connecting fitting as claimed in claim 1, wherein: the port of the end of the at least 4-edge thickened end of the short straight pipe section B of the integrally cast cross-pipe connecting pipe fitting body is also provided with the at least 4-edge widened section, and the port of the end of the at least 4-edge thickened end of the short straight pipe section B of the integrally cast cross-pipe connecting pipe fitting body and the at least 4-edge widened section are integrally cast and formed; the internal diameter of the vertical section of the at least 4-edge widening section of the port at the at least 4-edge thickening end of the B shorter straight pipe section of the integrally cast and molded cross-pipe connecting pipe fitting body is larger than the internal diameter of the vertical section of the at least 4-edge thickening end of the B shorter straight pipe section by 2-3 mm, and the length of the at least 4-edge widening section of the port at the at least 4-edge thickening end of the B shorter straight pipe section of the integrally cast and molded cross-pipe connecting pipe fitting body is 5-8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220886274.5U CN217177835U (en) | 2022-04-15 | 2022-04-15 | Cross-pipe connecting pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220886274.5U CN217177835U (en) | 2022-04-15 | 2022-04-15 | Cross-pipe connecting pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217177835U true CN217177835U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220886274.5U Active CN217177835U (en) | 2022-04-15 | 2022-04-15 | Cross-pipe connecting pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217177835U (en) |
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2022
- 2022-04-15 CN CN202220886274.5U patent/CN217177835U/en active Active
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