CN219655515U - Insulating joint for gas pipeline - Google Patents
Insulating joint for gas pipeline Download PDFInfo
- Publication number
- CN219655515U CN219655515U CN202222215281.5U CN202222215281U CN219655515U CN 219655515 U CN219655515 U CN 219655515U CN 202222215281 U CN202222215281 U CN 202222215281U CN 219655515 U CN219655515 U CN 219655515U
- Authority
- CN
- China
- Prior art keywords
- pipe section
- joint
- metal
- wall
- plastic part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 64
- 229920003023 plastic Polymers 0.000 claims abstract description 23
- 239000004033 plastic Substances 0.000 claims abstract description 23
- 238000001746 injection moulding Methods 0.000 claims abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to the technical field of gas pipelines, in particular to an insulating joint for a gas pipeline, which comprises a metal joint with external threads and a metal nut, wherein a plastic part is connected between the metal joint with external threads and the metal nut in an injection molding way; the plastic piece comprises a first pipe section, a second pipe section and a third pipe section which are integrally formed and sequentially arranged; the outer wall of the first pipe section is connected with a metal joint with external threads; the inner wall of the third pipe section is connected with the outer wall of the metal nut. According to the utility model, the metal joint with external threads and the metal nut are separated at the two ends of the inner side and the outer side of the plastic part by the plastic part formed by the first pipe section, the second pipe section and the third pipe section, so that the problem of electrostatic conduction of a gas pipeline in the connecting process of the metal joint is avoided, and explosion caused by static electricity is prevented.
Description
Technical Field
The utility model relates to the technical field of gas pipelines, in particular to an insulating joint for a gas pipeline.
Background
At present, along with the use of new energy and carbon emission reduction under the large environmental background, the use of natural gas has become more and more popular, and the unavoidable needs use metal joint in natural gas pipeline connection, and two metal joints, metal nuts of traditional structure easily produce static in the connection process to influence pipeline safety in utilization, how to more simply and safely cut off the production of this static is the object of the research of the technicians in the field.
Related structures for connecting two ends of a gas pipeline through an insulating joint exist in the prior art, but in general, some potential safety hazards and manufacturing difficulties still exist, and absolute or safer insulating performance cannot be achieved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the insulating joint for the gas pipeline, which can be used for quickly connecting the pipeline, has a good insulating effect and structurally ensures that the problem of electric leakage is avoided for static electricity.
The utility model provides the following technical scheme: the insulating joint for the gas pipeline comprises a metal joint with external threads and a metal nut, wherein a plastic part is connected between the metal joint with external threads and the metal nut in an injection molding way; the plastic piece comprises a first pipe section, a second pipe section and a third pipe section which are integrally formed and sequentially arranged; the outer wall of the first pipe section is connected with a metal joint with external threads; the inner wall of the third pipe section is connected with the outer wall of the metal nut. The insulating joint for the gas pipeline with the structure is characterized in that the metal joint with the external threads is positioned outside the plastic part, the metal nut is positioned inside the plastic part, the metal joint with the external threads and the two metal parts of the metal nut are separated from each other through the inside and outside of the plastic part, and the problem of electrostatic conduction of the metal joint and the metal nut in the connecting process is thoroughly avoided by separating the second pipe section on the length distance, so that the insulating performance is realized, and the use safety performance of the gas pipeline is greatly improved.
The outer wall of the third pipe section is of a hexagonal structure; the second pipe section outer wall be circular structure, through different outer wall structures, the circular structure of second pipe section outer wall is convenient for the handheld insulating joint of user, and the hexagonal structure of third pipe section outer wall can cooperate the spanner to improve the threaded connection fastening performance that has external screw thread metal joint, metal nut prevents gas leakage.
The metal joint outer wall one end with the external screw thread is the helicitic texture, and the other end is circular outer wall, and the external diameter of circular outer wall is the same with the external diameter of second pipeline section, improves the holistic planarization of insulating joint for the gas pipeline for whole gas pipeline is more even.
The metal nut bottom is equipped with the turn-ups, and the terminal surface of second pipeline section is connected in the turn-ups laminating, improves metal nut and second pipeline section, holistic linking performance of third pipeline section, prevents to appear connecting the gap between metal nut and the working of plastics.
The outer diameters of the first pipe section, the second pipe section and the third pipe section are sequentially increased, the first pipe section and the second pipe section are matched and connected with the metal joint at the outer side, the third pipe section is used as a connecting pipe section matched with a spanner, and the connection convenience of the insulating joint for the gas pipeline is improved.
Compared with the prior art, the utility model provides the insulating joint for the gas pipeline, which has the following beneficial effects:
1. according to the utility model, the metal joint with external threads and the metal nut are separated at the two ends of the inner side and the outer side of the plastic part formed by the first pipe section, the second pipe section and the third pipe section, so that the problem of electrostatic conduction of a gas pipeline in the connecting process of the metal joint is avoided, and explosion caused by static electricity is prevented;
2. according to the utility model, through integrally connecting the metal nut with the second pipe section and the third pipe section, the first pipe section and the second pipe section are matched and connected with the metal joint at the outer side, so that the integral connection performance of the insulating joint for the gas pipeline is improved.
Drawings
FIG. 1 is a schematic perspective view of an insulated joint for a gas pipeline according to the present utility model;
FIG. 2 is a schematic side view of an insulated joint for a gas pipeline according to the present utility model;
fig. 3 is a schematic cross-sectional view of a plastic member in the insulating joint for a gas pipeline according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the utility model provides an insulating joint for a gas pipeline, which comprises a metal joint 5 with external threads and a metal nut 3, wherein a plastic part 1 is connected between the metal joint 5 with external threads and the metal nut 3 in an injection molding way. The plastic part 1 comprises a first pipe section 7, a second pipe section 9 and a third pipe section 2 which are arranged in sequence in an integral mode. The outer diameters of the three pipe sections of the first pipe section 7, the second pipe section 9 and the third pipe section 2 become larger in sequence. The outer wall 8 of the first pipe section 7 is connected with the metal joint 5 with external threads, the inner wall 10 of the third pipe section 2 is connected with the outer wall of the metal nut 3, the metal joint 5 with external threads is positioned outside the plastic part 1, and the metal nut 3 is positioned inside the plastic part 1. The metal joint with external threads and the metal nuts are separated at the two ends of the inner side and the outer side of the plastic part by the plastic part formed by the first pipe section, the second pipe section and the third pipe section, so that the problem of electrostatic conduction of the gas pipeline in the connecting process of the metal joint is avoided, and the explosion caused by static electricity is prevented.
The outer wall of the third pipe section 2 is preferably in a hexagonal structure so as to be convenient for locking the connection performance of the gas pipeline and the metal joint or the metal nut in cooperation with a spanner. The outer wall of the second pipe section 9 is of a circular structure, so that the hand feeling of the user for holding is improved.
The outer wall of the metal joint 5 with external threads is preferably in a threaded structure at one end, the other end is a circular outer wall 4, the outer diameter of the circular outer wall 4 is the same as the outer diameter of the second pipe section 9, and the overall flatness of the gas pipeline is improved.
In order to further improve the tightness of the connection between the metal nut and the plastic part, the bottom of the metal nut 3 is provided with a flanging 6, and the flanging 6 is in fit connection with the end face 11 of the second pipe section 9.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an insulating joint for gas pipeline, includes metal joint (5), metal nut (3) that have the external screw thread, its characterized in that: a plastic part (1) is connected between the metal joint (5) with the external thread and the metal nut (3) in an injection molding way; the plastic part (1) comprises a first pipe section (7), a second pipe section (9) and a third pipe section (2) which are integrally formed and sequentially arranged; the outer wall (8) of the first pipe section (7) is connected with a metal joint (5) with external threads; the inner wall (10) of the third pipe section (2) is connected with the outer wall of the metal nut (3).
2. An insulated joint for gas pipelines according to claim 1, wherein: the outer wall of the third pipe section (2) is of a hexagonal structure; the outer wall of the second pipe section (9) is of a circular structure.
3. An insulated joint for gas pipelines according to claim 1, wherein: one end of the outer wall of the metal joint (5) with the external threads is of a threaded structure, the other end of the metal joint is of a circular outer wall (4), and the outer diameter of the circular outer wall (4) is the same as that of the second pipe section (9).
4. An insulated joint for gas pipelines according to claim 1, wherein: the bottom of the metal nut (3) is provided with a flanging (6), and the flanging (6) is in fit connection with the end face (11) of the second pipe section (9).
5. An insulated joint for gas pipelines according to claim 1, wherein: the outer diameters of the first pipe section (7), the second pipe section (9) and the third pipe section (2) become larger in sequence.
6. An insulated joint for gas pipelines according to claim 1, wherein: the metal joint (5) with the external threads is positioned outside the plastic part (1), and the metal nut (3) is positioned inside the plastic part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222215281.5U CN219655515U (en) | 2022-08-23 | 2022-08-23 | Insulating joint for gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222215281.5U CN219655515U (en) | 2022-08-23 | 2022-08-23 | Insulating joint for gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655515U true CN219655515U (en) | 2023-09-08 |
Family
ID=87880901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222215281.5U Active CN219655515U (en) | 2022-08-23 | 2022-08-23 | Insulating joint for gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655515U (en) |
-
2022
- 2022-08-23 CN CN202222215281.5U patent/CN219655515U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203404546U (en) | Ribbed reinforced bell-and-spigot joint applied to corrugated pipes | |
| CN202308393U (en) | Novel RF coaxial cable connector | |
| CN202550095U (en) | Mineral-insulated cable branch connecting mechanism | |
| CN219655515U (en) | Insulating joint for gas pipeline | |
| CN208189812U (en) | A kind of cable intermediate joint | |
| CN212509888U (en) | Taper sleeve locking type pipe fitting | |
| CN206694690U (en) | A single-wall corrugated pipe connector | |
| CN110752453B (en) | Copper busbar positioning component | |
| CN207647947U (en) | Unidirectional tamper union nut, tamper pipe connection device and air conditioner | |
| CN207269058U (en) | Taper sheath locking type accumulator terminal | |
| CN212615760U (en) | Combined multi-way connector | |
| CN203248877U (en) | Quick pipe connecting connector | |
| CN104716456A (en) | Electrical equipment branch connecting component | |
| CN203536583U (en) | Connection structure for conductive cores of insulated bus | |
| CN202474408U (en) | Fast joint for continuous production of high-voltage crosslinked cables | |
| CN203192551U (en) | Ultra-high voltage DC two-section composite insulator | |
| CN208461104U (en) | A kind of high leakproofness explosion-proof high-pressure casing | |
| CN207577162U (en) | A kind of tube straightening device | |
| CN205117919U (en) | Nonrust steel pipe and stainless steel pipe assembly | |
| CN203248878U (en) | Self-locking corrugated pipe fitting | |
| CN222515034U (en) | An easy-to-assemble conductive rod | |
| CN211501260U (en) | Screw nut subassembly convenient to installation | |
| CN216743373U (en) | High corrosion resistant polytetrafluoroethylene special-shaped joint | |
| CN219145159U (en) | Tensioning and lengthening bolt for motor end cover | |
| CN221277034U (en) | Screw thread combination formula connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |