CN107906276B - Cutting ferrule type straight-through pipe joint - Google Patents
Cutting ferrule type straight-through pipe joint Download PDFInfo
- Publication number
- CN107906276B CN107906276B CN201711147931.4A CN201711147931A CN107906276B CN 107906276 B CN107906276 B CN 107906276B CN 201711147931 A CN201711147931 A CN 201711147931A CN 107906276 B CN107906276 B CN 107906276B
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- Prior art keywords
- sealing
- connector
- conical surface
- sealed
- channel
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 66
- 230000007704 transition Effects 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims 5
- 238000010168 coupling process Methods 0.000 claims 5
- 238000005859 coupling reaction Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Pressure Members (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a cutting sleeve type straight-through pipe joint, which comprises a pipe joint body, a first connecting head, a hexagonal nut block, a second connecting head and a sealing connecting section, wherein the hexagonal nut block is arranged on the pipe joint body, the first connecting head and the second connecting head are respectively arranged at two ends of the hexagonal nut block, connecting threads are respectively arranged on the outer walls of the first connecting head and the second connecting head, the sealing connecting section is arranged between the second connecting head and the hexagonal nut block, a first sealing clamping groove is formed in the side wall of the sealing connecting section, a main flow channel is formed in the pipe joint body, an introduction conical surface is formed in the first connecting head, an auxiliary channel is formed in the second connecting head, the auxiliary channel is communicated with the main flow channel through the sealing conical surface, the sealing clamping groove is formed in the sealing connecting section, the sealing conical surface is arranged, the sealing conical surface is good in sealing effect, the fluid leakage can be reduced, and the performance is reliable.
Description
[ Field of technology ]
The invention relates to the technical field of pipe joints, in particular to a cutting sleeve type straight-through pipe joint.
[ Background Art ]
The pipeline is the transportation mode that medium conveying efficiency is the highest, the pipe just can connect into the pipeline to the installation, the convenient to use and the reliability of the pipe fitting of connecting the pipe are the main element of pipeline connection quality, the general common technique of construction such as the connection of stainless steel water pipe etc. when the connection of pipeline, the instrument of connecting between the pipe joint formula pipeline, straight joint and right angle joint are the common joint form in the pipeline, but the treatment effect often is poor when partly taking over and sealing, need set up the sealing washer to the junction and seal, but because the corruption of part liquid or gas for a long time makes the effect greatly reduced to the sealing washer, the straight joint of cutting ferrule formula is proposed now.
[ Invention ]
The invention aims to solve the problems in the prior art, and provides a cutting sleeve type straight-through pipe joint, which is convenient to install by arranging a leading-in end at the end part of a first connecting joint, wherein a sealing clamping groove is formed in a sealing connecting section, and a sealing step surface is arranged on a leading-in conical surface.
In order to achieve the above purpose, the invention provides a ferrule type straight-through pipe joint, which comprises a pipe joint body, a first connecting head, a hexagonal nut block, a second connecting head and a sealing connecting section, wherein the hexagonal nut block is arranged on the pipe joint body, the first connecting head and the second connecting head are respectively arranged at two ends of the hexagonal nut block, connecting threads are respectively arranged on the outer walls of the first connecting head and the second connecting head, the sealing connecting section is arranged between the second connecting head and the hexagonal nut block, a first sealing clamping groove is formed in the side wall of the sealing connecting section, a main flow channel is formed in the pipe joint body, an introduction conical surface is formed in the first connecting head and is communicated with the main flow channel through a first transition channel, an auxiliary channel is formed in the second connecting head and is communicated with the main flow channel through the sealing conical surface.
Preferably, the included angle between the bus of the outer wall of the leading-in conical surface and the axis is 12 degrees, a sealing step surface is arranged at the joint of the first transition channel and the main flow channel, and a second transition inclined surface is arranged at the upper part of the sealing step surface.
Preferably, a transition section is arranged between the sealing connection section and the second connector, and the length ratio of the sealing connection section to the transition section is as follows: and 3:4, wherein the outer diameter length of the transition section is the same as the inner diameter of the circular ring where the section of the first sealing clamping groove is positioned.
Preferably, the first sealing clamping groove is an annular groove, the axis of the first sealing clamping groove coincides with the axis of the pipe joint body, the ratio of the outer diameter of the annular ring where the section of the first sealing clamping groove is positioned to the outer diameter of the sealing connecting section is 6:7, the ratio of the thickness of the first sealing clamping groove to the thickness of the sealing connecting section is 7:15, and a first transition inclined plane is arranged at the corner of the inner wall of the first sealing clamping groove.
Preferably, the inner diameter length of the auxiliary channel is smaller than that of the main flow channel, the length ratio of the auxiliary channel to the second connector is 1:2, and the outer diameter ratio of the first connector to the second connector is 5:7.
The invention has the beneficial effects that: according to the invention, through the cooperation of the pipe joint body, the first connector, the hexagonal nut block, the second connector, the sealing connecting section and the like, the installation is convenient by arranging the leading-in end at the end part of the first connector, the sealing connecting section is provided with the sealing clamping groove, and the sealing stepped surface is arranged on the leading-in conical surface, so that the sealing effect is good, the fluid leakage can be reduced, and the performance is reliable.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ Description of the drawings ]
FIG. 1 is a schematic view of a ferrule-type straight-through fitting of the present invention;
fig. 2 is a schematic cross-sectional view of a first sealing groove of a ferrule-type straight-through fitting of the present invention.
[ Detailed description ] of the invention
Referring to fig. 1 to 2, the ferrule-type straight-through pipe joint of the present invention comprises a pipe joint body 1, a first connecting head 2, a hexagonal nut block 3, a second connecting head 4 and a sealing connecting section 5, wherein the hexagonal nut block 3 is arranged on the pipe joint body 1, two ends of the hexagonal nut block 3 are respectively provided with the first connecting head 2 and the second connecting head 4, connecting threads are respectively arranged on the outer walls of the first connecting head 2 and the second connecting head 4, the sealing connecting section 5 is arranged between the second connecting head 4 and the hexagonal nut block 3, a first sealing clamping groove 52 is arranged on the side wall of the sealing connecting section 5, a main flow channel 11 is arranged in the pipe joint body 1, an introducing conical surface 21 is arranged in the first connecting head 2, the introducing conical surface 21 is communicated with the main flow channel 11 through a first transition channel 211, an auxiliary channel 41 is arranged in the second connecting head 4, and the auxiliary channel 41 is communicated with the main flow channel 11 through a sealing conical surface 42. The included angle between the bus of the outer wall of the leading-in conical surface 21 and the axis is 12 degrees, a sealing step surface 22 is arranged at the joint of the first transition channel 211 and the main flow channel 11, and a second transition inclined surface 23 is arranged at the upper part of the sealing step surface 22. A transition section 51 is arranged between the sealing connection section 5 and the second connector 4, and the length ratio of the sealing connection section 5 to the transition section 51 is as follows: 3:4, the outer diameter length of the inner diameter of the circular ring where the cross section of the transition section 51 and the first sealing clamping groove 52 is located is the same. The first sealing clamping groove 52 is an annular groove, the axis of the first sealing clamping groove 52 coincides with the axis of the pipe joint body 1, the ratio of the outer diameter of the annular ring where the section of the first sealing clamping groove 52 is positioned to the outer diameter of the sealing connecting section 5 is 6:7, the ratio of the thickness of the first sealing clamping groove 52 to the thickness of the sealing connecting section 5 is 7:15, and a first transition inclined plane 521 is arranged at the corner of the inner wall of the first sealing clamping groove 52. The inner diameter length of the auxiliary channel 41 is smaller than that of the main flow channel 11, the length ratio of the auxiliary channel 41 to the second connector 4 is 1:2, and the outer diameter ratio of the first connector 2 to the second connector 4 is 5:7.
The working process of the invention comprises the following steps:
the clamping sleeve type straight-through pipe joint has the advantages that the pipe joint body, the first connecting joint, the hexagonal nut block, the second connecting joint, the sealing connecting section and the like are matched, the guide-in end is arranged at the end part of the first connecting joint, the installation is convenient, the sealing connecting section is provided with the sealing clamping groove, the sealing step surface is arranged on the guide-in conical surface, the sealing effect is good, the fluid leakage can be reduced, and the performance is reliable.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (1)
1. The utility model provides a cutting ferrule formula straight-through coupling which characterized in that: including coupling body (1), first connector (2), hexagon nut piece (3), second connector (4) and sealing connection section (5), be equipped with hexagon nut piece (3) on coupling body (1), the both ends of hexagon nut piece (3) are equipped with first connector (2) and second connector (4) respectively, the outer wall of first connector (2) and second connector (4) all is equipped with connecting screw thread, be equipped with sealing connection section (5) between second connector (4) and hexagon nut piece (3), first sealing draw-in groove (52) have been seted up to sealing connection section (5)'s lateral wall, main flow channel (11) have been seted up in coupling body (1), leading-in conical surface (21) have been seted up in first connector (2), leading-in conical surface (21) are linked together with main flow channel (11) through first transition channel (211), auxiliary channel (41) have been seted up in second connector (4), auxiliary channel (41) are linked together with main flow channel (11) through sealing conical surface (42), leading-in conical surface (21) and main flow channel (11) are the contained angle of leading-in conical surface (21) and main flow channel (11), the upper portion of sealed step face (22) is equipped with second transition inclined plane (23), be equipped with changeover portion (51) between sealed linkage segment (5) and second connector (4), the length ratio of sealed linkage segment (5) and changeover portion (51) is 3:4, the external diameter length of changeover portion (51) and the internal diameter of ring that first sealed draw-in groove (52) cross-section place are the same, first sealed draw-in groove (52) are the ring channel, the axis of first sealed draw-in groove (52) coincides with the axis of coupling body (1), the external diameter ratio of the external diameter of ring that first sealed draw-in groove (52) cross-section place and sealed linkage segment (5) is 6:7, the thickness ratio of first sealed draw-in groove (52) and sealed linkage segment (5) is 7:15, the corner of first sealed draw-in groove (52) inner wall is equipped with first transition inclined plane (521), the internal diameter length of auxiliary channel (41) is less than the internal diameter length of main channel (11), the external diameter ratio of auxiliary channel (41) and second connector (4:2) are 2:7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147931.4A CN107906276B (en) | 2017-11-17 | 2017-11-17 | Cutting ferrule type straight-through pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147931.4A CN107906276B (en) | 2017-11-17 | 2017-11-17 | Cutting ferrule type straight-through pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107906276A CN107906276A (en) | 2018-04-13 |
| CN107906276B true CN107906276B (en) | 2024-05-07 |
Family
ID=61867621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711147931.4A Active CN107906276B (en) | 2017-11-17 | 2017-11-17 | Cutting ferrule type straight-through pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107906276B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2731580A1 (en) * | 1977-07-13 | 1979-01-18 | Elspermann Kg Geb | Coupling for gas or water pipes - has sleeve with sealing rings facilitating linear or angled jointing |
| CN2258944Y (en) * | 1996-08-01 | 1997-08-06 | 党建真 | Cutting ferrule type seal joint |
| JP2002276883A (en) * | 2001-03-19 | 2002-09-25 | Tokai Rubber Ind Ltd | Piping joint structure |
| CN204114387U (en) * | 2014-09-11 | 2015-01-21 | 海盐县通达液压管件厂 | A kind of Bite type fittings |
| CN104595599A (en) * | 2015-01-07 | 2015-05-06 | 董增斌 | Novel hydraulic pipe joint |
| CN205716170U (en) * | 2016-04-26 | 2016-11-23 | 浙江全民管业有限公司 | A kind of three way cock |
| CN206386587U (en) * | 2016-12-22 | 2017-08-08 | 海盐县海管管件制造有限公司 | A kind of flared type adjustable pitch straight coupling |
| CN207500664U (en) * | 2017-11-17 | 2018-06-15 | 海盐县海管管件制造有限公司 | A kind of holding sleeve joint of straight-through pipe |
-
2017
- 2017-11-17 CN CN201711147931.4A patent/CN107906276B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2731580A1 (en) * | 1977-07-13 | 1979-01-18 | Elspermann Kg Geb | Coupling for gas or water pipes - has sleeve with sealing rings facilitating linear or angled jointing |
| CN2258944Y (en) * | 1996-08-01 | 1997-08-06 | 党建真 | Cutting ferrule type seal joint |
| JP2002276883A (en) * | 2001-03-19 | 2002-09-25 | Tokai Rubber Ind Ltd | Piping joint structure |
| CN204114387U (en) * | 2014-09-11 | 2015-01-21 | 海盐县通达液压管件厂 | A kind of Bite type fittings |
| CN104595599A (en) * | 2015-01-07 | 2015-05-06 | 董增斌 | Novel hydraulic pipe joint |
| CN205716170U (en) * | 2016-04-26 | 2016-11-23 | 浙江全民管业有限公司 | A kind of three way cock |
| CN206386587U (en) * | 2016-12-22 | 2017-08-08 | 海盐县海管管件制造有限公司 | A kind of flared type adjustable pitch straight coupling |
| CN207500664U (en) * | 2017-11-17 | 2018-06-15 | 海盐县海管管件制造有限公司 | A kind of holding sleeve joint of straight-through pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107906276A (en) | 2018-04-13 |
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