CN212539598U - Quick-mounting cathode stripping test tool for steel-plastic conversion pipe fitting - Google Patents
Quick-mounting cathode stripping test tool for steel-plastic conversion pipe fitting Download PDFInfo
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- CN212539598U CN212539598U CN202021380881.1U CN202021380881U CN212539598U CN 212539598 U CN212539598 U CN 212539598U CN 202021380881 U CN202021380881 U CN 202021380881U CN 212539598 U CN212539598 U CN 212539598U
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Abstract
The application discloses a quick installation negative pole peel test frock for steel is moulded and is changeed pipe fitting relates to experimental frock. The test tool comprises a test cylinder, a seal ring and a threaded cap. The wall of the test cylinder is provided with bypasses which are symmetrical relative to the center, the outer surface of each bypass is provided with an external thread, and the inner surface of each bypass forms a conical inner opening with a large outer part and a small inner part. The sealing ring is wedge-shaped. The threaded cap has an internal thread. This application forms seal structure through the toper internal orifice of wedge-shaped sealing washer and bypass, has strengthened sealed effect, and the sealed of this application need not to use sealed glue moreover, so saved the gel time, has improved test efficiency. The internal thread of the threaded cap is meshed with the external thread of the bypass, so that the test tool is quickly mounted. The gap formed between the steel ends with different calibers and the conical inner opening is adjusted and filled through the wedge-shaped sealing ring, so that the steel-plastic conversion pipe fittings with a plurality of specifications share one set of test tool, and the test efficiency of operators is further improved.
Description
Technical Field
The application relates to a test tool, in particular to a quick-mounting cathode stripping test tool for a steel-plastic conversion pipe fitting.
Background
The steel-plastic conversion pipe fitting is one of pipe fittings of buried pipelines. One end of the steel-plastic conversion pipe fitting is a plastic end and is used for connecting a plastic pipeline; the other end is a steel end which is used for connecting a steel pipeline. Because the steel-plastic conversion pipe fitting needs to be connected with steel end channels and plastic pipelines with different specifications, the outer diameters of the steel end and the plastic end of the steel-plastic conversion pipe fitting can be matched with the steel end and the plastic end of the steel-plastic conversion pipe fitting, and a plurality of specifications exist. In order to test the quality of the steel-plastic conversion pipe products, a series of tests are required, and a cathodic disbonding resistance test is one important test.
The current cathode peeling resistance test standard does not have a standard test tool, and each manufacturer designs a test tool meeting the test conditions by itself. The cathode stripping resistance test tool used by the company is a plurality of specifications of plastic cylinders so as to correspond to various specifications of steel-plastic conversion pipe fittings. And a mounting hole is formed on the wall of the plastic cylinder of each specification and used for passing through the steel end of the steel-plastic conversion pipe fitting. During specific tests, the steel end of the steel-plastic conversion pipe fitting is inserted into the mounting hole of the corresponding plastic cylinder and sealed by sealant so as to perform the tests.
When the test tool is used for testing, the time is required for the sealant to solidify, so that the test waiting time is long, and the test efficiency is reduced. Moreover, if the operation method of the sealant is not proper, the problem that the sealant is not sealed tightly and water is easy to leak exists, repeated operation is needed, and the test efficiency is further reduced. Therefore, it is necessary to develop a test tool capable of realizing rapid installation and rapid test.
SUMMERY OF THE UTILITY MODEL
It is an object of the present application to overcome the above problems or to at least partially solve or mitigate the above problems.
The application provides a quick installation negative pole peel test frock for steel is moulded and is changeed pipe fitting includes:
the test tube is a tube body with an opening at one end and a closed end at the other end and is used for containing a test medium, the tube wall of the test tube close to the closed end is provided with bypasses which are symmetrical relative to the center, the bypasses are used for penetrating through the steel end of the steel-plastic conversion tube, the outer surface of each bypass is provided with an external thread, and the inner surface of each bypass forms a conical inner opening with a large outer part and a small inner part;
the sealing ring is wedge-shaped, is matched with a conical inner opening of a bypass of the test cylinder, is sleeved on the steel end of the steel-plastic conversion pipe fitting and is installed at the corresponding bypass, and a sealing structure is formed between the steel end of the steel-plastic conversion pipe fitting and the conical inner opening; and
and the threaded caps are provided with internal threads, each threaded cap is used for being arranged at the external thread of the corresponding bypass to abut against the corresponding sealing ring, so that the sealing ring is firmly sealed with the conical inner opening, and the corresponding threaded caps, the bypass and the steel-plastic conversion pipe fitting are fixedly connected together through the meshing of the internal threads of the corresponding threaded caps and the external threads of the bypass.
Optionally, the external thread is a tapered external thread and the internal thread is a tapered internal thread.
Optionally, the seal ring is made of high temperature-resistant butadiene-acrylonitrile rubber.
Optionally, the test cartridge is made of polytetrafluoroethylene.
Optionally, the height of the sealing ring is 10 mm.
The utility model provides a quick installation negative pole peel test frock for steel is moulded conversion pipe fitting holds experimental medium through the test tube, and the bypass through the test tube passes the steel end of steel moulding conversion pipe fitting. The sealing structure is formed by the wedge-shaped sealing ring and the conical inner opening of the bypass, so that the sealing effect is enhanced, and the sealing does not need to use sealing glue, so that the gel time is saved, and the test efficiency is improved. The internal thread of the threaded cap is meshed with the external thread of the bypass, so that the test tool is quickly mounted.
In addition, the wedge-shaped sealing ring is used for adjusting and filling a gap formed between the steel end with different calibers and the conical inner opening, so that the steel-plastic conversion pipe fittings with multiple specifications share one set of test tool, and the test efficiency of operators is further improved.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural diagram of a quick-installation cathodic disbonding test tool for a steel-plastic conversion pipe according to one embodiment of the present application.
The symbols in the drawings represent the following meanings:
1 steel end of the steel-plastic conversion pipe fitting,
100 is used for a cathode stripping test tool for quick installation of a steel-plastic conversion pipe fitting,
10 test cylinder, 11 bypass, 12 external thread, 13 conical internal opening,
20 of the sealing rings, wherein the sealing rings are arranged in a sealing mode,
30 screw cap, 31 internal thread.
Detailed Description
Fig. 1 is a schematic structural diagram of a quick-installation cathodic disbonding test tool for a steel-plastic conversion pipe according to one embodiment of the present application.
This embodiment provides a quick installation negative pole peel test frock 100 for steel is moulded and is changeed pipe fitting, includes: test cartridge 10, sealing ring 20 and threaded cap 30. The test cylinder 10 is a cylinder body with one open end and the other closed end, is used for containing a test medium, and has corrosion resistance. The test tube 10 can be made of corrosion-resistant materials such as stainless steel and plastic. The test medium is 3% NaCl solution and the amount is 300 mL. And a bypass 11 which is symmetrical relative to the center is arranged on the wall of the test cylinder 10 close to the closed end. The bypass 11 is used for passing through the steel end 1 of the steel-plastic conversion pipe fitting. The outer surface of each bypass 11 is provided with an external thread 12, and the inner surface of each bypass 11 is provided with a conical inner opening 13 with a large outer part and a small inner part. The sealing ring 20 is wedge-shaped, is matched with the conical inner opening 13 of the bypass 11 of the test cylinder 10, and is used for being sleeved on the steel end 1 of the steel-plastic conversion pipe fitting so as to be installed at the corresponding bypass 11, and the steel end 1 of the steel-plastic conversion pipe fitting and the conical inner opening 13 form a sealing structure. The wedge-shaped sealing ring 20 also functions to adjust and fill the gap formed between the steel ends of different calibers and the tapered inner mouth 13. The threaded cap 30 has internal threads 31. Each threaded cap 30 is adapted to be mounted on the external thread 12 of the corresponding bypass 11 to abut against the corresponding sealing ring 20, so that the sealing ring 20 is tightly sealed with the tapered inner opening 13. The corresponding screw cap 30, the bypass 11 and the steel-plastic conversion pipe fitting are fixedly connected together through the engagement of the internal thread 31 of the corresponding screw cap 30 and the external thread 12 of the bypass 11.
In a specific test, the sealing ring 20 is sleeved on the steel end 1 of the steel-plastic conversion pipe fitting, the sealing ring and the steel end are assembled at the bypass 11 of the test cylinder 10, and the threaded cap 30 is screwed down. Test media is poured through the opening of the test cartridge 10 and the test is performed according to the test standard.
The utility model provides a quick installation negative pole peel test frock 100 for steel is moulded and is changeed pipe fitting holds the test medium through test section of thick bamboo 10, passes steel end 1 that steel is moulded and is changeed the pipe fitting through bypass 11 of test section of thick bamboo 10. The sealing structure is formed by the wedge-shaped sealing ring 20 and the conical inner opening 13 of the bypass 11, so that the sealing effect is enhanced, and the sealing does not need to use sealing glue, so that the gel time is saved, and the test efficiency is improved. The internal thread 31 of the threaded cap 30 is meshed with the external thread 12 of the bypass 11, so that the test tool is quickly mounted.
In addition, the wedge-shaped sealing ring 20 is used for adjusting and filling gaps formed between steel ends with different calibers and the conical inner opening 13, so that the steel-plastic conversion pipe fittings with multiple specifications share one set of test tool, and the test efficiency of operators is further improved.
In addition, compare prior art's experimental frock, adopt sealed gluey sealed, the product of many times test can produce sealed gluey solid rubbish. And this application adopts mechanical seal structure, has reduced the waste product pollution.
More specifically, in the present embodiment, the external thread 12 is preferably a tapered external thread, and the internal thread 31 is preferably a tapered internal thread to increase the sealing effect.
More specifically, in the present embodiment, the sealing ring 20 is made of high temperature-resistant nitrile rubber.
More specifically, in this embodiment, the test cartridge 10 is made of polytetrafluoroethylene.
More specifically, in the present embodiment, the height of the seal ring 20 is preferably 10 mm.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a quick installation negative pole peel test frock for steel is moulded and is changeed pipe fitting which characterized in that includes:
the test tube (10) is a tube body with an opening at one end and a closed end at the other end and is used for containing a test medium, the tube wall of the test tube close to the closed end is provided with bypasses (11) which are symmetrical relative to the center, the bypasses (11) are used for penetrating through the steel end of the steel-plastic conversion tube, the outer surface of each bypass (11) is provided with an external thread (12), and the inner surface of each bypass (11) forms a conical inner opening (13) with a large outer part and a small inner part;
the sealing ring (20) is wedge-shaped, is matched with the conical inner opening (13) of the bypass of the test cylinder, is used for being sleeved on the steel end of the steel-plastic conversion pipe fitting so as to be installed at the corresponding bypass (11), and forms a sealing structure between the steel end of the steel-plastic conversion pipe fitting and the conical inner opening (13); and
the threaded caps (30) are provided with internal threads (31), each threaded cap (30) is used for being installed at the position of the external thread (12) of the corresponding bypass to abut against the corresponding sealing ring (20), so that the sealing ring (20) and the conical inner opening (13) are sealed firmly, and the corresponding threaded caps (30), the bypass (11) and the steel-plastic conversion pipe fitting are fixedly connected together through the meshing of the internal threads (31) of the corresponding threaded caps (30) and the external threads (12) of the bypass.
2. The quick-mount cathode stripping test fixture according to claim 1, wherein the external thread (12) is a tapered external thread and the internal thread (31) is a tapered internal thread.
3. The quick-mount cathodic disbonding test fixture of claim 1, wherein said seal ring (20) is made of high temperature-resistant nitrile butadiene rubber.
4. The quick-mount cathodic disbanding test fixture as claimed in claim 1, wherein said test cartridge (10) is made of polytetrafluoroethylene.
5. The quick-install cathodic disbondment test tool according to any one of claims 1 to 4, wherein the height of the sealing ring (20) is 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021380881.1U CN212539598U (en) | 2020-07-14 | 2020-07-14 | Quick-mounting cathode stripping test tool for steel-plastic conversion pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021380881.1U CN212539598U (en) | 2020-07-14 | 2020-07-14 | Quick-mounting cathode stripping test tool for steel-plastic conversion pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212539598U true CN212539598U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021380881.1U Active CN212539598U (en) | 2020-07-14 | 2020-07-14 | Quick-mounting cathode stripping test tool for steel-plastic conversion pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212539598U (en) |
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- 2020-07-14 CN CN202021380881.1U patent/CN212539598U/en active Active
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