CN208333772U - Pipeline thread sealing propertytest tooling and pipeline thread device for detecting sealability - Google Patents
Pipeline thread sealing propertytest tooling and pipeline thread device for detecting sealability Download PDFInfo
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- CN208333772U CN208333772U CN201820841717.2U CN201820841717U CN208333772U CN 208333772 U CN208333772 U CN 208333772U CN 201820841717 U CN201820841717 U CN 201820841717U CN 208333772 U CN208333772 U CN 208333772U
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Abstract
The utility model discloses a kind of pipeline thread sealing propertytest tooling and pipeline thread device for detecting sealability, belong to device for detecting sealability field.The sealing propertytest tooling includes first flange component, second flange component and connector, first flange component includes sealing element, ring flange and casing, casing inner diameter is greater than outer diameter tube to be detected and is less than the outer diameter of box cupling on pipeline to be detected, sleeve side walls are provided with detection hole, sealing element is arranged on ring flange or casing, positioned at detection hole close to ring flange side, flange assembly and pipeline outer wall to be detected, which are formed, to be sealed, the structure of second flange component is identical as the structure of first flange component, and connector is connected between first flange component and second flange component.It is when detection, pipeline to be detected is closed at one end, it is passed through gas from the pipeline other end to be detected, if there is leakage, leaked gas all can allow to accurately detect the amount of leaked gas from detection hole using gas leak detection instrument by detection hole.
Description
Technical field
The utility model relates to device for detecting sealability field, in particular to a kind of pipeline thread sealing propertytest tooling and
Pipeline thread device for detecting sealability.
Background technique
Pipeline is indispensable structure, such as transfer oil, natural gas etc. in fluid transport.Lead between pipeline and pipeline
Often by box cupling threaded connection, threaded connection place is also the place for being easier to leak on pipeline, can in order to improve pipeline
By property, usually before Pipe installing use, being sealed property at screw thread can be detected.
It is at present usually to be detected using pneumatic sealing test equipment to being sealed property at the screw thread of pipeline, pneumatic sealing test is set
Standby mainly includes that high-pressure air source and connecting tube are when being detected first connected at least two root canal roads by box cupling, then will be high
Pressurized air source is connected to one end of pipeline by connecting tube, and the other end of pipeline is closed, then is added by high-pressure air source into pipeline
Pressure, by observing whether threaded connection place has gas leakage to judge the leakproofness at screw thread.
It, can only be by whether gas leakage judges that threaded connection place, can not with the presence or absence of leakage but at present when detecting leakproofness
The amount of gas leakage is accurately measured.
Utility model content
The utility model embodiment provides a kind of pipeline thread sealing propertytest tooling and pipeline thread sealing propertytest
Device, to solve the problems, such as accurately measure leakiness.The technical solution is as follows:
On the one hand, the utility model embodiment provides a kind of pipeline thread sealing propertytest tooling, the leakproofness inspection
Surveying tooling includes first flange component, second flange component and connector, and the first flange component includes sealing element, ring flange
With the casing for being co-axially located at the ring flange one side, the internal diameter of described sleeve pipe is greater than the outer diameter of pipeline to be detected and is less than institute
The outer diameter of the box cupling on pipeline to be detected is stated, detection hole is provided on the side wall of described sleeve pipe, the sealing element is arranged described
On the inner wall of ring flange or the inner wall of described sleeve pipe, enable the outer wall of the first flange component and the pipeline to be detected
Sealing is formed, the sealing element is located at the side close to the ring flange of the detection hole, the knot of the second flange component
Structure is identical as the structure of the first flange component, and the connector is detachably connected to the first flange component and described
Between second flange component.
In one implementation, the ring flange is fixedly connected with described sleeve pipe.
In another implementation, the ring flange is detachably connected with described sleeve pipe, and the sealing element is folded in institute
It states between ring flange and described sleeve pipe.
Optionally, sealing ring is provided on the end face of one end far from the ring flange of described sleeve pipe.
Optionally, the connector includes multiple bolts, the multiple bolt along the ring flange circumferential direction angularly between
Every distribution.
Optionally, the connector includes 5~10 bolts.
Optionally, the difference of the outer diameter of the internal diameter of described sleeve pipe and the pipeline to be detected is 1~2mm.
Optionally, the detection hole is threaded hole.
Optionally, hose is connected in the detection hole.
On the other hand, the utility model embodiment additionally provides a kind of pipeline thread device for detecting sealability, the sealing
Property detection device include gas leak detection instrument and foregoing any sealing propertytest tooling, the gas leakage inspection
Measurement equipment is connect with detection hole.
Technical solution bring beneficial effect provided by the embodiment of the utility model includes at least: by the way that first flange is arranged
Component, second flange component and connector, wherein first flange component is identical with second flange modular construction, first flange component
Including sealing element, ring flange and casing, casing is co-axially located at the one side of ring flange, connects connecing for pipeline to be detected in detection
First flange component and second flange component can be respectively fitted on pipeline to be detected when leakproofness at hoop, and pass through connection
Part connects first flange component and second flange component, is clipped in box cupling between first flange component and second flange component, and
Contact casing with box cupling, since the internal diameter of casing is greater than the outer diameter of pipeline to be detected and less than the box cupling on pipeline to be detected
Outer diameter, therefore an annulus is formed between casing and pipeline to be detected, and since sealing element is arranged in ring flange or casing
Inner wall on, the outer wall of first flange component and second flange component and pipeline to be detected is formed and is sealed, it is cyclic annular empty
Between one end be closed, the gap area between the other end and box cupling and pipeline to be detected of annulus when detecting will be to
The closed at one end of pipeline is detected, is passed through high pressure gas from the other end of pipeline to be detected, if there is leakage, leaked gas is all
The amount of leaked gas can be allowed to accurately detect from detection hole using gas leak detection instrument by detection hole.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of pipeline thread sealing propertytest tooling provided by the embodiment of the utility model；
Fig. 2 is the partial structurtes signal of another pipeline thread sealing propertytest tooling provided by the embodiment of the utility model
Figure；
Fig. 3 is a kind of structural schematic diagram of pipeline thread device for detecting sealability provided by the embodiment of the utility model.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Fig. 1 is a kind of structural schematic diagram of pipeline thread sealing propertytest tooling provided by the embodiment of the utility model, such as
It shown in Fig. 1, is threadedly coupled between two adjacent sections pipeline a to be detected by box cupling b, pipe provided by the utility model embodiment
Road thread seal detecting tool is used to detect the thread seal of two sections pipeline a to be detected and the junction box cupling b.The leakproofness
Detecting tool includes first flange component 1, second flange component 2 and connector 3.
First flange component 1 includes sealing element 11, ring flange 12 and the casing 13 for being co-axially located at 12 one side of ring flange,
The outer diameter of outer diameter of the internal diameter of casing 13 greater than pipeline a to be detected and the box cupling b being less than on pipeline a to be detected, the side of casing 13
Be provided with detection hole 14 on wall, sealing element 11 is arranged on ring flange 12 or casing 13, enable first flange component 1 with to
The outer wall for detecting pipeline a forms sealing, and sealing element 11 is located at the side of the close ring flange 12 of detection hole 14.
The structure of second flange component 2 is identical as the structure of first flange component 1, and connector 3 is detachably connected to
Between one flange assembly 1 and second flange component 2.
The internal diameter of the utility model embodiment casing 13 needs the outer diameter greater than pipeline a to be detected and is less than pipeline to be detected
The outer diameter of the box cupling b connected on a can to form an annulus 15 between casing 13 and pipeline a to be detected, cyclic annular empty
Between 15 with the gap area at the screw thread of box cupling b.
It can be by first flange component and second flange group when detecting the leakproofness at the box cupling for connecting pipeline to be detected
Part is respectively fitted on pipeline to be detected, and connects first flange component and second flange component by connector, is clipped in box cupling
Between first flange component and second flange component, and contact casing with box cupling, since the internal diameter of casing is greater than test tube to be checked
The outer diameter of the outer diameter in road and the box cupling being less than on pipeline to be detected, therefore it is cyclic annular empty that one is formed between casing and pipeline to be detected
Between, and it is arranged on the inner wall of ring flange or casing due to sealing element, enables first flange component and second flange component
It is formed and is sealed with the outer wall of pipeline to be detected, one end of annulus is closed, the other end of annulus and box cupling and to be checked
Gap area between test tube road by the closed at one end of pipeline to be detected, is passed through when detecting from the other end of pipeline to be detected
High pressure gas, if there is leakage, leaked gas all can by detection hole, allow to using gas leak detection instrument from
The amount of leaked gas is accurately detected at detection hole.
Optionally, ring flange 12 can be detachably connected with casing 13, and sealing element 11 is folded in ring flange 12 and casing
Between 13, by the pressure clamp seals 11 between ring flange 12 and casing 13, can make casing 13 and pipeline a to be detected it
Between formed sealing, facilitate the installation of sealing element 11, prevent gas leakage.
When realization, sealing element 11 may include O-ring seal, prevent gas from letting out between casing 13 and pipeline a to be detected
Leakage.
Preferably, sealing ring 16 can be set on the end face of one end of the separate ring flange 12 of casing 13, avoid box cupling b and
It is leaked between casing 13, further increases sealing effect.
When realization, connector 3 may include multiple bolts or stud, and preferred bolt is convenient to mount and dismount, and be conducive to maintenance, can be with
Increasing pretightning force prevents from loosening, and can better play the effect of clamp sleeve 13 Yu box cupling b.
Correspondingly, multiple bolts hole can be set on ring flange 12, bolt hole is angularly distributed in circumferential.
Optionally, ring flange 12 is provided with 5~10 bolts hole, and a bolt 17 is equipped in each bolt hole.
Optionally, the outer diameter difference of the internal diameter of casing 13 and pipeline a to be detected are 1~2mm, facilitate composition annulus
15。
Optionally, detection hole 14 can be threaded hole, and thread pore structure is simple, the convenient company with gas leak detection instrument
It connects.
Hose can also be connected in detection hole 14, it is convenient to be connect by hose with gas leak detection instrument.
One end of hose can have nipple, to facilitate hose to connect with detection hole 14.
When realization, the material of ring flange 12 and casing 13 may include stainless steel, iron, preferably stainless steel, and stainless steel has
Preferable corrosion resistance and higher hardness.Ring flange is stainless steel structure part in the utility model embodiment.
Fig. 2 is the partial structurtes signal of another pipeline thread sealing propertytest tooling provided by the embodiment of the utility model
Scheme, in the partial structural diagram of pipeline thread sealing propertytest tooling shown in Fig. 2, ring flange 22 can be solid with casing 23
Ring flange 22 and casing 23 can be sleeved on pipeline a to be detected simultaneously during installation in this way, simplify operating process by fixed connection
In installation procedure.
Sealing element 21 can be folded between the inner wall of ring flange 22 and the outer wall of pipeline a to be detected, so that first flange
Component 1 can be formed with the outer wall of pipeline a to be detected and be sealed, by annulus 25 and isolated from atmosphere.
Ring flange 22 can be an integral molding structure with casing 23.
It should be noted that be only illustrated by taking the structure of first flange component 1 as an example in Fig. 2, when actual setting, second
Flange assembly 2 can use structure identical with the first flange component 1.
Fig. 3 is a kind of structural schematic diagram of pipeline thread device for detecting sealability provided by the embodiment of the utility model, should
Device for detecting sealability includes gas leak detection instrument and sealing propertytest tooling as shown in Figure 1 or 2, gas leakage inspection
Measurement equipment is connect with the detection hole of sealing propertytest tooling.
In the present embodiment, gas leak detection instrument includes U-tube 31, fills liquid in U-tube 31, and the one of U-tube 31
Port is connect with detection hole 34, and another port is directly connect with atmosphere, when detecting, if there is leakage, then with gas
It leaks, isometric liquid is had in U-tube 31 and is discharged from the other end of U-tube 31, pass through the volume of the liquid of measurement discharge
It can know the volume of leaked gas.
It can also be using the volume of other kinds of gas leak detection instrument measurement gas leakage when specific implementation.
Use below by taking tooling shown in FIG. 1 as an example, to sealing propertytest tooling provided by the embodiment of the utility model
Method is briefly described:
First flange component and second flange component are socketed on respectively on two sections pipeline to be detected interconnected,
In, the casing of first flange component and the casing of second flange component are contacted with two end faces of box cupling respectively, pass through connector
First flange component and second flange component are connected, so that casing compresses the end face of box cupling.By the detection hole and a gas on casing
The connection of body leakage detection equipment.One end of two sections pipeline to be detected is blocked, a certain amount of high pressure gas is passed through from the other end, holds
Continuous a period of time, the volume leaked according to gas leak detection instrument detection gas.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of pipeline thread sealing propertytest tooling, which is characterized in that the sealing propertytest tooling includes first flange group
Part, second flange component and connector, the first flange component include sealing element, ring flange and are co-axially located at the flange
The casing of disk one side, the box cupling that the internal diameter of described sleeve pipe is greater than the outer diameter of pipeline to be detected and is less than on the pipeline to be detected
Outer diameter, detection hole is provided on the side wall of described sleeve pipe, the sealing element is arranged on the ring flange or described sleeve pipe, makes
Sealing can be formed with the outer wall of the pipeline to be detected by obtaining the first flange component, and the sealing element be located at the detection hole
Close to the ring flange side, the structure of the second flange component is identical as the structure of the first flange component, institute
Connector is stated to be detachably connected between the first flange component and the second flange component.
2. sealing propertytest tooling according to claim 1, which is characterized in that the ring flange and the fixed company of described sleeve pipe
It connects.
3. sealing propertytest tooling according to claim 1, which is characterized in that the ring flange and described sleeve pipe are detachable
Connection, the sealing element are folded between the ring flange and described sleeve pipe.
4. described in any item sealing propertytest toolings according to claim 1~3, which is characterized in that the separate institute of described sleeve pipe
It states and is provided with sealing ring on the end face of one end of ring flange.
5. described in any item sealing propertytest toolings according to claim 1~3, which is characterized in that the connector includes more
A bolt, circumferential direction equiangularly spaced distribution of the multiple bolt along the ring flange.
6. sealing propertytest tooling according to claim 5, which is characterized in that the connector includes 5~10 bolts.
7. described in any item sealing propertytest toolings according to claim 1~3, which is characterized in that the internal diameter of described sleeve pipe with
The difference of the outer diameter of the pipeline to be detected is 1~2mm.
8. described in any item sealing propertytest toolings according to claim 1~3, which is characterized in that the detection hole is screw thread
Hole.
9. described in any item sealing propertytest toolings according to claim 1~3, which is characterized in that connected in the detection hole
There is hose.
10. a kind of pipeline thread device for detecting sealability, which is characterized in that the device for detecting sealability includes gas leakage inspection
Measurement equipment and sealing propertytest tooling as described in any one of claims 1 to 9, the gas leak detection instrument and detection hole
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820841717.2U CN208333772U (en) | 2018-05-31 | 2018-05-31 | Pipeline thread sealing propertytest tooling and pipeline thread device for detecting sealability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820841717.2U CN208333772U (en) | 2018-05-31 | 2018-05-31 | Pipeline thread sealing propertytest tooling and pipeline thread device for detecting sealability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208333772U true CN208333772U (en) | 2019-01-04 |
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ID=64772773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820841717.2U Active CN208333772U (en) | 2018-05-31 | 2018-05-31 | Pipeline thread sealing propertytest tooling and pipeline thread device for detecting sealability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208333772U (en) |
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2018
- 2018-05-31 CN CN201820841717.2U patent/CN208333772U/en active Active
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