CN203363525U - Rapid sealing plug for polyethylene gas pipelines - Google Patents

Rapid sealing plug for polyethylene gas pipelines Download PDF

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Publication number
CN203363525U
CN203363525U CN 201320131480 CN201320131480U CN203363525U CN 203363525 U CN203363525 U CN 203363525U CN 201320131480 CN201320131480 CN 201320131480 CN 201320131480 U CN201320131480 U CN 201320131480U CN 203363525 U CN203363525 U CN 203363525U
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CN
China
Prior art keywords
sealing plug
quick
gas pipeline
fuel gas
edge face
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.)
Expired - Lifetime
Application number
CN 201320131480
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Chinese (zh)
Inventor
史春志
乔宇
邢富龙
陈天奇
崔立增
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI YADA PLASTIC PRODUCTS CO Ltd
Original Assignee
SHANGHAI YADA PLASTIC PRODUCTS CO Ltd
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Priority to CN 201320131480 priority Critical patent/CN203363525U/en
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Publication of CN203363525U publication Critical patent/CN203363525U/en
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Abstract

The utility model discloses a rapid sealing plug for polyethylene gas pipelines and belongs to the field of buried polyethylene pipelines, wherein the rapid sealing plug is used for plugging when holes are opened on the polyethylene gas pipeline and is of a frustum shape, an outer end face and an internal end face inside the rapid sealing plug are camber surfaces, the radian of the outer end face and the internal end face is in line with that of the hole-opened part of the polyethylene gas pipeline, the diameter of the outer end face is bigger than that of the opened hole of the polyethylene gas pipeline if the outer end face is a big end, and the diameter of the internal end face is less than that of the opened hole of the polyethylene gas pipeline if the outer end face is a small end. Above structures are arranged in the rapid sealing plug for polyethylene gas pipelines in the utility model so that the plug has the advantages of convenient installation and rapid sealing as well as high goodness of fit with polyethylene gas pipeline under the premise of guarantee of safety and reliability in the plugging.

Description

Polyvinyl fuel gas pipeline quick-sealing plug
Technical field
The utility model relates to buried polyethylene pipeline field, particularly a kind of polyvinyl fuel gas pipeline quick-sealing plug.
Background technique
The buried polyethylene gas pipeline is widely used in pipeline network of fuel gas in city and water supply and sewerage pipeline.The delivery of fuel gas of below take is illustrated as example, in site operation, in order to shorten the engineering time, increases work efficiency, and usually in polyvinyl fuel gas pipeline band air to open hole, is operated, and needs quick blocking after construction.
At present usually with the stopper plug, carry out quick blocking.
Because stopper plug and pipeline tapping are whole interference fit, use inconvenience, operating difficulties, can't realize quick-sealing.In addition, the stopper plug is easily rotten, and the wood chip after rotten enters after pipeline parts such as easily stopping up valve.
The model utility content
In order to solve the existing stopper plug that adopts, exist to use to be awkward difficulty, can't realize the problem of quick-sealing, the utility model provides a kind of polyvinyl fuel gas pipeline quick-sealing plug.Described technological scheme is as follows:
A kind of polyvinyl fuel gas pipeline quick-sealing plug, for shutoff after the polyvinyl fuel gas pipeline perforate, described quick-sealing plug is cone table shape, and exterior edge face and interior edge face in described quick-sealing plug are cambered surface, described exterior edge face is consistent with radian and the described polyvinyl fuel gas pipeline aperture portion radian of described interior edge face, described exterior edge face is large end, described exterior edge face diameter is greater than described polyvinyl fuel gas pipeline opening diameter, described exterior edge face is small end, and described interior edge face diameter is less than described polyvinyl fuel gas pipeline opening diameter.
Particularly, described exterior edge face diameter is than the large 1mm of described polyvinyl fuel gas pipeline opening diameter.
Particularly, described exterior edge face diameter is than the large 1.5mm of described polyvinyl fuel gas pipeline opening diameter.
Particularly, described interior edge face diameter is than the little 3mm of described polyvinyl fuel gas pipeline opening diameter.
Particularly, described interior edge face diameter is than the little 3.5mm of described polyvinyl fuel gas pipeline opening diameter.
Particularly, described quick-sealing plug adopts plastics to make.
Particularly, described quick-sealing plug adopts polythene material to make.
Particularly, described quick-sealing plug is identical with described polyvinyl fuel gas pipeline material.
Particularly, described quick-sealing plug adopts the tubing identical with described polyvinyl fuel gas pipeline specification to process.
Particularly, the cone angle that described quick-sealing plug forms is 14 degree.The beneficial effect that the technological scheme that the utility model embodiment provides is brought is:
The utility model, by said structure, guarantees to have convenient the installation under safe and reliable prerequisite in the shutoff process, and the advantage of quick-sealing, also have advantages of with the polyvinyl fuel gas pipeline Percent of contact area high.
The accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the stereogram of the polyvinyl fuel gas pipeline that provides of the utility model embodiment with the quick-sealing plug;
Fig. 2 is the plan view figure of the polyvinyl fuel gas pipeline that provides of the utility model embodiment with the quick-sealing plug;
Fig. 3 is the plan view of the polyvinyl fuel gas pipeline that provides of the utility model embodiment with the quick-sealing plug;
Fig. 4 is the quick-sealing plug using process figure for polyvinyl fuel gas pipeline that the utility model embodiment provides.
In figure, each symbol means that implication is as follows:
10 quick-sealing plugs,
1 exterior edge face, 2 interior edge faces,
20 polyvinyl fuel gas pipelines.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model mode of execution is described in further detail.
As shown in Figure 1, the utility model provides quick-sealing plug 10 for a kind of polyvinyl fuel gas pipeline, also can be referring to Fig. 2, Fig. 3 and Fig. 4, the present embodiment be take Fig. 1 and is illustrated as main, described quick-sealing plug 10 for polyvinyl fuel gas pipeline 20(referring to Fig. 4) shutoff after perforate, described quick-sealing plug 10 is cone table shape, and the exterior edge face in described quick-sealing plug 10 1 is cambered surface with interior edge face 2, the radian of described exterior edge face 1 and described interior edge face 2 and described polyvinyl fuel gas pipeline 20(are referring to Fig. 4) the aperture portion radian is consistent, described exterior edge face 1 is large end, described exterior edge face 1 diameter is greater than described polyvinyl fuel gas pipeline 20(referring to Fig. 4) opening diameter, described exterior edge face 1 is small end, described interior edge face 2 diameters are less than described polyvinyl fuel gas pipeline 20 opening diameters.
Particularly, in the present embodiment, described quick blocking plug preferably adopts and is intercepted blank on the same specification of shutoff and the pipeline with material, by car system, forms.
Consult accompanying drawing 4, plugging technology is as follows:
Step 1: according to the specification of perforate polyvinyl fuel gas pipeline 20, select the quick blocking plug of same size, make the cambered surface of shutoff plug consistent with polyvinyl fuel gas pipeline 20 cambered surface directions;
Step 2: the small end of described quick blocking plug is inserted in the hole of holding successfully, and described quick blocking plug end diameter is less than polyvinyl fuel gas pipeline 20 opening diameters.
Step 3: by certain external force, the quick blocking plug is pressed into place, put in place rear assurance quick blocking plug exterior edge face 1 radian and polyvinyl fuel gas pipeline 20 exterior edge face radians match.
The shape of quick blocking plug described in the utility model is the frustum that an exterior edge face 1 and interior edge face 2 are radian, exterior edge face 1 is large end, interior edge face 2 is small end, Outside diameter is greater than polyvinyl fuel gas pipeline 20 opening diameters and forms interference fit, end diameter is less than polyvinyl fuel gas pipeline 20 opening diameters and forms Spielpassung, in the shutoff operating process, small end can insert the perforate on polyvinyl fuel gas pipeline 20 smoothly, along with the described quick blocking plug of the increase of insertion depth changes interference fit into by Spielpassung; By certain external force, the shutoff plug being pressed into to exterior edge face 1 coincide with polyvinyl fuel gas pipeline 20 exterior edge faces; Because described quick blocking plug and the polyvinyl fuel gas pipeline 20 increase magnitude of interference along with insertion depth increases gradually, polythene material has certain plastic deformation ability, guaranteed that described quick blocking plug seals reliably, there is convenient the installation, the advantage of quick-sealing, also have advantages of with polyvinyl fuel gas pipeline 20 Percent of contact area high; Therefore the utlity model has characteristics simple in structure, easy construction, be particularly suitable for the hole operation of polyethylene pipe band air to open.
Particularly, described exterior edge face 1 diameter is than the large 1mm of described polyvinyl fuel gas pipeline 20 opening diameter.
Particularly, described exterior edge face 1 diameter is than the large 1.5mm of described polyvinyl fuel gas pipeline 20 opening diameter.
Particularly, described interior edge face 2 diameters are than the little 3mm of described polyvinyl fuel gas pipeline 20 opening diameter.
Particularly, described interior edge face 2 diameters are than the little 3.5mm of described polyvinyl fuel gas pipeline 20 opening diameter.
Particularly, described quick-sealing plug 10 adopts plastics to make.Adopt above-mentioned material, the utility model to avoid in prior art the stopper plug easily rotten, after the wood chip after rotten enters pipeline, easily stop up the problem of the parts such as valve.
Particularly, described quick-sealing plug 10 adopts polythene material to make.
Particularly, described quick-sealing plug 10 adopts the tubing identical with described polyvinyl fuel gas pipeline 20 specifications to process.
Particularly, the cone angle that described quick-sealing plug 10 forms is 14 degree.
Particularly, described quick-sealing plug 10 is identical with described polyvinyl fuel gas pipeline 20 materials.
The utility model adopts said structure, because the material of described quick blocking plug is identical with described polyvinyl fuel gas pipeline 20 materials, so described 10 life-spans of quick-sealing plug are identical 20 working lifes with described polyvinyl fuel gas pipeline, meet the construction requirement of fuel gas polyethylene pipeline fully.
The utility model can be widely used in the systems such as rock gas, coal gas, oil, aqueduct.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent embodiment's quality.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. a polyvinyl fuel gas pipeline quick-sealing plug, for shutoff after the polyvinyl fuel gas pipeline perforate, it is characterized in that, described quick-sealing plug is cone table shape, and exterior edge face and interior edge face in described quick-sealing plug are cambered surface, described exterior edge face is consistent with radian and the described polyvinyl fuel gas pipeline aperture portion radian of described interior edge face, described exterior edge face is large end, described exterior edge face diameter is greater than described polyvinyl fuel gas pipeline opening diameter, described exterior edge face is small end, and described interior edge face diameter is less than described polyvinyl fuel gas pipeline opening diameter.
2. quick-sealing plug according to claim 1, is characterized in that, described exterior edge face diameter is than the large 1mm of described polyvinyl fuel gas pipeline opening diameter.
3. quick-sealing plug according to claim 1, is characterized in that, described exterior edge face diameter is than the large 1.5mm of described polyvinyl fuel gas pipeline opening diameter.
4. quick-sealing plug according to claim 1, is characterized in that, described interior edge face diameter is than the little 3mm of described polyvinyl fuel gas pipeline opening diameter.
5. quick-sealing plug according to claim 1, is characterized in that, described interior edge face diameter is than the little 3.5mm of described polyvinyl fuel gas pipeline opening diameter.
6. quick-sealing plug according to claim 1, is characterized in that, described quick-sealing plug adopts plastics to make.
7. quick-sealing plug according to claim 1, is characterized in that, described quick-sealing plug adopts polythene material to make.
8. quick-sealing plug according to claim 1, is characterized in that, described quick-sealing plug is identical with described polyvinyl fuel gas pipeline material.
9. quick-sealing plug according to claim 1, is characterized in that, described quick-sealing plug adopts the tubing identical with described polyvinyl fuel gas pipeline specification to process.
10. according to the described quick-sealing plug of claim 1-9 any one claim, it is characterized in that, the cone angle that described quick-sealing plug forms is 14 degree.
CN 201320131480 2013-03-21 2013-03-21 Rapid sealing plug for polyethylene gas pipelines Expired - Lifetime CN203363525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320131480 CN203363525U (en) 2013-03-21 2013-03-21 Rapid sealing plug for polyethylene gas pipelines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320131480 CN203363525U (en) 2013-03-21 2013-03-21 Rapid sealing plug for polyethylene gas pipelines

Publications (1)

Publication Number Publication Date
CN203363525U true CN203363525U (en) 2013-12-25

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CN 201320131480 Expired - Lifetime CN203363525U (en) 2013-03-21 2013-03-21 Rapid sealing plug for polyethylene gas pipelines

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CN (1) CN203363525U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106051370A (en) * 2016-07-18 2016-10-26 中国水利水电科学研究院 Plug for blocking underground pipe temporarily and production method of plug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106051370A (en) * 2016-07-18 2016-10-26 中国水利水电科学研究院 Plug for blocking underground pipe temporarily and production method of plug
CN106051370B (en) * 2016-07-18 2018-08-31 中国水利水电科学研究院 Underground piping temporary plugging plug and preparation method thereof

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Granted publication date: 20131225