CN219084639U - Pressure test plug for pipeline test - Google Patents
Pressure test plug for pipeline test Download PDFInfo
- Publication number
- CN219084639U CN219084639U CN202320086717.7U CN202320086717U CN219084639U CN 219084639 U CN219084639 U CN 219084639U CN 202320086717 U CN202320086717 U CN 202320086717U CN 219084639 U CN219084639 U CN 219084639U
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- China
- Prior art keywords
- pipeline
- pressure
- connecting rod
- end cover
- blind hub
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a pressure testing plug for pipeline testing, which comprises: connecting rod, end cover and blind hub, the connecting rod with the end cover between be connected through the screw thread, the outside cover of connecting rod be equipped with blind hub, just upper portion and the lower part of one side tip of blind hub with the end cover between all be provided with sealing washer, retaining ring and clamping ring, the end cover with blind hub be connected through double-screw bolt and nut, one side tip of connecting rod be provided with the internal thread NPT joint, upper portion and the lower part of blind hub correspond and be provided with the lug. The connecting rod is connected to the end cover of this pressure testing stopper, makes outside pressure testing pipeline pressure transfer to the pipeline inside, carries out the pressure intensity test, satisfies outside pressure testing pipeline pressure and pipeline pressure connection requirement, has protection sealing washer characteristics, satisfies pipeline high pressure seal stability function.
Description
Technical Field
The utility model relates to the field of deep sea pipelines, in particular to a pressure test plug for pipeline testing.
Background
In order to better complete the difficult task of petroleum and gas pipeline construction, the continuous research and improvement of petroleum and gas pipeline construction technology is required to be continuously enhanced. The clamp flange is often selected as the flange for connecting the pipe and requires a comprehensive pressure strength test before the clamp flange pipe can be put into service. It is now desirable to design a pressure test plug that is satisfactory for a clamp flange pipe.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the pressure testing plug for the pipeline, which meets the high-pressure sealing stability function of the pipeline and the connection requirement of the pressure of an external pressure testing pipeline and the pressure of the pipeline.
In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided a test plug for pipe testing, comprising: connecting rod, end cover and blind hub, the connecting rod with the end cover between be connected through the screw thread, the outside cover of connecting rod be equipped with blind hub, just upper portion and the lower part of one side tip of blind hub with the end cover between all be provided with sealing washer, retaining ring and clamping ring, the end cover with blind hub be connected through double-screw bolt and nut, one side tip of connecting rod be provided with the internal thread NPT joint, upper portion and the lower part of blind hub correspond and be provided with the lug.
In a preferred embodiment of the present utility model, the connecting rod is connected with the end cover through the left end thread of the connecting rod and the right end thread of the end cover.
In a preferred embodiment of the present utility model, a retainer ring is disposed between the seal ring and the pressure ring.
In a preferred embodiment of the utility model, the lifting lug is arranged on the blind hub through an inner hexagon screw.
The beneficial effects of the utility model are as follows: the pressure test plug for the pipeline test is provided with the end cover, and the end cover is connected with the connecting rod, so that the pressure of an external pressure test pipeline is transmitted into the pipeline for pressure intensity test, the connection requirement of the pressure of the external pressure test pipeline and the pressure of the pipeline is met, the pressure test plug has the characteristic of protecting a sealing ring, and the high-pressure sealing stability function of the pipeline is met.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a cross-sectional view of a preferred embodiment of a pressure test plug for testing a pipeline according to the present utility model.
The components in the drawings are marked as follows: 1. the connecting rod, 2, the double-screw bolt, 3, the nut, 4, blind hub, 5, the hexagon socket head cap screw, 6, the lug, 7, the clamping ring, 8, the retaining ring, 9, the sealing washer, 10, end cover.
Description of the embodiments
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments 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, fig. 1 is a cross-sectional view of a preferred embodiment of a pressure test plug for testing a pipeline according to the present utility model.
The utility model relates to a pressure testing plug for pipeline testing, which comprises the following components: connecting rod 1, end cover 10 and blind hub 4, connecting rod 1 with end cover 10 between be connected through the screw thread, make outside pressure test pipeline pressure transmission to the pipeline inside, carry out the pressure intensity test, the outside cover of connecting rod 1 be equipped with blind hub 4, just blind hub 4's upper portion and lower part of one side tip with end cover 10 between all be provided with sealing washer 9, retaining ring 8 and clamping ring 7, end cover 10 with blind hub 4 be connected through double-screw bolt 2 and nut 3, one side tip of connecting rod 1 be provided with the internal thread NPT joint, connecting rod 1 right-hand member has the internal thread NPT joint, simultaneously, NPT screw thread outer end is equipped with equilateral hexagon, the pressure test pipeline joint of easy to assemble is connected with connecting rod 1, blind hub 4's upper portion and lower part correspond and be provided with lug 6, blind hub 4 pairs with the clamp flange of pipeline, can be used to clamp hub 4 and the hub flange connection of pipeline. The pressure test plug is provided with the sealing ring 9, and when the pressure intensity of the pipeline is tested, the stud 2 and the nut 3 are locked to generate axial force on the end cover 10, and the sealing ring 9 is extruded, so that the sealing ring 9 is compressed and deformed to seal with the inner wall of the pipeline.
Preferably, the connecting rod 1 is connected with the end cover 10 through the left end screw thread of the connecting rod 1 and the right end screw thread of the end cover 10, so as to meet the connection requirement of the external pressure test pipeline pressure and the pipeline pressure.
Preferably, a retainer ring 8 is arranged between the sealing ring 9 and the pressure ring 7, the sealing ring 9 meets the high-pressure sealing function of the pipeline, the retainer ring 8 has high hardness, the characteristics of the sealing ring 9 are protected, the high-pressure sealing stability function of the pipeline is met, and the sealing ring 9 is prevented from being damaged in the pressure extrusion process.
Preferably, the lifting lug 6 is arranged on the blind hub 4 through the socket head cap screw 5, so as to meet the requirement of heavy lifting.
The pressure test plug for the pipeline test is provided with the end cover, the defects in the technical scheme are overcome, the end cover is connected with the connecting rod, so that the pressure of an external pressure test pipeline is transmitted into the pipeline for pressure intensity test, the connection requirement of the pressure of the external pressure test pipeline and the pressure of the pipeline is met, the pressure test plug has the characteristics of protecting a sealing ring, and the high-pressure sealing stability function of the pipeline is met.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (4)
1. A pressure test plug for testing a pipeline, comprising: connecting rod, end cover and blind hub, the connecting rod with the end cover between be connected through the screw thread, the outside cover of connecting rod be equipped with blind hub, just upper portion and the lower part of one side tip of blind hub with the end cover between all be provided with sealing washer, retaining ring and clamping ring, the end cover with blind hub be connected through double-screw bolt and nut, one side tip of connecting rod be provided with the internal thread NPT joint, upper portion and the lower part of blind hub correspond and be provided with the lug.
2. The pressure testing plug for pipeline testing according to claim 1, wherein the connecting rod is connected with the end cover through left end threads of the connecting rod and right end threads of the end cover.
3. The pressure testing plug for pipeline testing according to claim 1, wherein a retainer ring is arranged between the sealing ring and the pressure ring.
4. The pressure testing plug for pipeline testing according to claim 1, wherein the lifting lug is arranged on the blind hub through an inner hexagon screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320086717.7U CN219084639U (en) | 2023-01-30 | 2023-01-30 | Pressure test plug for pipeline test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320086717.7U CN219084639U (en) | 2023-01-30 | 2023-01-30 | Pressure test plug for pipeline test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219084639U true CN219084639U (en) | 2023-05-26 |
Family
ID=86390729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320086717.7U Active CN219084639U (en) | 2023-01-30 | 2023-01-30 | Pressure test plug for pipeline test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219084639U (en) |
-
2023
- 2023-01-30 CN CN202320086717.7U patent/CN219084639U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 583, Xintang Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province, 215300 Patentee after: Suzhou Luokeli Technology Co.,Ltd. Address before: No. 583, Xintang Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province, 215300 Patentee before: Suzhou Rockley Welding Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |