CN105546269A - Quickly assembled pipeline sealing device - Google Patents
Quickly assembled pipeline sealing device Download PDFInfo
- Publication number
- CN105546269A CN105546269A CN201610097708.2A CN201610097708A CN105546269A CN 105546269 A CN105546269 A CN 105546269A CN 201610097708 A CN201610097708 A CN 201610097708A CN 105546269 A CN105546269 A CN 105546269A
- Authority
- CN
- China
- Prior art keywords
- plug
- seal ring
- sealing device
- compressing member
- pipe fitting
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/132—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing
- F16L55/134—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing by means of an inflatable packing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/022—Test plugs for closing off the end of a pipe
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
Abstract
The invention discloses a quickly assembled pipeline sealing device which comprises a plug, a seal ring and a compressing part, wherein the seal ring and the plug are in penetrated connection, and the compressing part and the plug are in threaded connection. The sealing device adopts expansion-type sealing and is suitable sealing and pressure testing of various straight pipes and bent pipes; sealing can be realized without self or attached connecting parts of a pipe fitting and only by plugging the device to the to-be-sealed end of the pipe fitting and screwing in the compressing part; the operation is convenient and fast, and can be finished in seconds, so that the operation efficiency is greatly improved, and the labor intensity is relieved.
Description
Technical field
The present invention relates to pipe fitting processing technique field, be specifically related to a kind of fast-assembling pipeline sealing device.
Background technique
Along with progress and the expanding economy of society, fluid line is widely used in every field, its consumption can be rated as basic part, the elbow consumption as fluid line connection part is also increasing.And pipeline production dispatch from the factory and use install before and usually all need to carry out pressure test in using process, with check pipe fitting quality condition, guarantee use safety.And the sealing at two ends is very troublesome things in pipe fitting pressure testing process, particularly two ends do not have the pressure testing of the pipe fitting of link and bend pipe just more to bother, general needs first connect at pipe fitting end to be tested with fixed connecting piece, and need good sealing, and then connect sealing mechanism, time-consuming bothersome, labor intensity is large, operating efficiency is low, and sealed high-voltage resistant poor performance.
CN103574215.B discloses a kind of PE pipeline pressure test blind plate, it is by PE pipeline flanges, steel blind plate, steel flanges sheet, gasket seal, exhausting stub tube and outlet valve, and pipeline flanges, steel blind plate, steel flanges sheet and gasket seal are bolted.Although this sealing configuration sealability better and reliably, it can not use on the pipe fitting not establishing pipeline flanges, and installs cumbersome, and labor intensity is larger.CN203595628.U discloses a kind of seal arrangement for open at both ends pipeline pressure test, left baffle and the resilient pad of connection is installed by fastening piece, it has the advantages such as structure is simple, quick for installation, but this structure cannot be used for the sealing of bend pipe, and be provided with the through hole installing connecting rod due to its axis part, therefore sealing effect is by impact to a certain extent, is especially difficult to the sealing under adaptation high pressure conditions.
Summary of the invention
It is simple that problem to be solved by this invention is to provide a kind of structure, convenient to disassembly, the rapid-assembling/disassembling pipeline sealing device of reliable performance.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of fast-assembling pipeline sealing device, comprises
Plug, seal ring and compressing member form, and wherein seal ring installs with plug and is connected, and compressing member is threaded with plug.
Described compressing member is connected with plug by blind hole.
Described plug installs seal ring position and arranges cone structure.
Described plug installs seal ring position and arranges concave arc turning surface structure.
The described conical surface and concave arc turning surface are less than or equal to 1/2 of the axial thickness of described seal ring in the projected length of plug shaft axis.
The axis part of described plug and compressing member arranges the through hole be interconnected.
The invention has the beneficial effects as follows:
1) fast-assembling pipeline sealing device of the present invention adopts inflatable seal, be applicable to various straight tube, the sealing of bend pipe, pressure testing, and without the need to pipe fitting autologous or additional tie members, only this device need be filled in pipe fitting end to be sealed, precession compressing member, convenient to operation, time several seconds can complete, significantly improve operating efficiency thus, reduce labor intensity;
2) through hole is set on plug and compressing member, makes the present invention also can be used for inside pipe fitting pressurization and sealing;
3) compared with prior art, the present invention has applied widely, and structure is simple, the advantages such as fabricating cost is low, and sealability is reliable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the structural representation of the embodiment of the present invention two;
Fig. 3 is the structural representation of the embodiment of the present invention three;
Fig. 4 is the structural representation of the embodiment of the present invention four;
Fig. 5 is the schematic diagram of the another kind of structure of the embodiment of the present invention four.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment one
As shown in Figure 1, fast-assembling pipeline sealing device of the present invention, comprises plug 1, seal ring 2 and compressing member 3 and forms.Wherein seal ring 2 is between plug and compressing member 3, and installs with plug 1 and be connected.Plug 1 cross section is T-shaped structure, and its small end is connected with the tapped hole 4 of compressing member 3.Plug 1 greatly end external diameter differs with the internal diameter of pipe fitting to be sealed and between 0.2-0.6mm, so that install in pipe fitting to be sealed, can have again good sealability, stops the leakage of high-pressure liquid; The external diameter of seal ring 2 differs with the internal diameter of pipe fitting to be sealed and between 0.2-0.4mm, can reduce expansion amplitude, extends the working life of seal ring 2, and has better sealability, improves sealing grade; The external diameter of compressing member 3 differs with the internal diameter of pipe fitting to be sealed between 0.4-0.8mm, can be convenient to install in pipe fitting to be sealed, have again certain sealability.Certainly, the tapped hole 4 of compressing member 3 should be set to blind hole, is beneficial to prevent high-pressure liquid greatly end and the gap-between sealed pipe fittings inwall-plug 1 small end and seal ring 2 endoporus and tapped hole release, to improve sealing effect by plug 1.
The fast-assembling pipeline sealing device of present embodiment in use, its entirety can be installed in the end hole of pipe fitting to be sealed, precession compressing member 3, although now there is gap between plug 1 and pipe fitting to be sealed, but the frictional force of the small end excircle due to seal ring and pipe fitting inner wall to be sealed and plug 1, and plug 1 still can keep motionless.Along with the precession of compressing member 3, namely seal ring 2 is subject to plug 1 and the extruding of compressing member 3 opposing end surface and produces the expansion at radial inside and outside round position, eliminate seal ring and the gap between pipe fitting inner wall to be sealed and plug small end outer round surface, and the frictional force increased between plug 1 and pipe fitting inner wall to be sealed, compressing member 3 can apply the larger power that screws and be compressed by seal ring 2, can receive effective sealing effect thus under the pressure of high-pressure liquid.When needs pressure release is removed, as long as counterrotating compressing member 3, seal ring 2 resilience, can extract out fast-assembling pipeline sealing device easily.So this fast-assembling pipeline sealing device is convenient to operation, time several seconds can complete installs sealing or removes.
Embodiment two
Referring to Fig. 2, the fast-assembling pipeline sealing device of present embodiment, comprises plug 1, seal ring 2 and compressing member 3 and forms.Wherein seal ring 2 is between plug and compressing member 3, and installs with plug 1 and be connected.Plug 1 cross section is T-shaped structure, and its small end is connected with the tapped hole 4 of compressing member 3.Plug 1 greatly end external diameter differs with the internal diameter of pipe fitting to be sealed and between 0.2-0.6mm, so that install in pipe fitting to be sealed, can have again good sealability, stops the leakage of high-pressure liquid; The external diameter of seal ring 2 differs with the internal diameter of pipe fitting to be sealed and between 0.2-0.4mm, can reduce expansion amplitude, extends the working life of seal ring 2, and has better sealability, improves sealing grade; The external diameter of compressing member 3 differs with the internal diameter of pipe fitting to be sealed between 0.4-0.8mm, can be convenient to install in pipe fitting to be sealed, have again certain sealability.Certainly, the tapped hole 4 of compressing member 3 should be set to blind hole, is beneficial to prevent high-pressure liquid greatly end and the gap-between sealed pipe fittings inwall-plug 1 small end and seal ring 2 endoporus and tapped hole release, to improve sealing effect by plug 1.The position that plug 1 small end installs seal ring 2 arranges the conical surface 5 structure, seal ring 2 can be made to expand to cylindrical, increase the impacting force of seal ring 2 pairs of sealed pipe fittings inwalls and plug 1 excircle, improve sealing effect further when compressing member 3 precession.The described conical surface 4 is less than or equal to 1/2 of the axial thickness of seal ring 2 in the projected length of the shaft axis of plug 1, be beneficial to compressing member 3 precession and put in place.
Embodiment three
Referring to Fig. 3, the fast-assembling pipeline sealing device of present embodiment, comprises plug 1, seal ring 2 and compressing member 3 and forms.Wherein seal ring 2 is between plug and compressing member 3, and installs with plug 1 and be connected.Plug 1 cross section is T-shaped structure, and its small end is connected with the tapped hole 4 of compressing member 3.Plug 1 greatly end external diameter differs with the internal diameter of pipe fitting to be sealed and between 0.2-0.6mm, so that install in pipe fitting to be sealed, can have again good sealability, stops the leakage of high-pressure liquid; The external diameter of seal ring 2 differs with the internal diameter of pipe fitting to be sealed and between 0.2-0.4mm, can reduce expansion amplitude, extends the working life of seal ring 2, and has better sealability, improves sealing grade; The external diameter of compressing member 3 differs with the internal diameter of pipe fitting to be sealed between 0.4-0.8mm, can be convenient to install in pipe fitting to be sealed, have again certain sealability.Certainly, the tapped hole 4 of compressing member 3 should be set to blind hole, is beneficial to prevent high-pressure liquid greatly end and the gap-between sealed pipe fittings inwall-plug 1 small end and seal ring 2 endoporus and tapped hole release, to improve sealing effect by plug 1.The position that described plug 1 installs seal ring 2 arranges concave arc turning surface 5a structure, concave arc turning surface 5a is less than or equal to 1/2 of the axial thickness of described seal ring in the projected length of the shaft axis of plug 1, this structure can make plug 1 small end external diameter increase in the mode of rounding off, the jam-packed of seal ring 2 is more smooth and easy, avoid the damage of seal ring 2 simultaneously, extend the working life of seal ring 2.
Embodiment four
As shown in Figure 4, Figure 5, the fast-assembling pipeline sealing device of present embodiment is applicable to pressurization and the sealing of pipe fitting pressure testing, and it comprises plug 1a, seal ring 2a and compressing member 3a and forms.Wherein seal ring 2a is between plug and compressing member 3a, and installs with plug 1a and be connected.Plug 1a cross section is T-shaped structure, and its small end is connected with the tapped hole 4a of compressing member 3a.Plug 1a large end external diameter differs with the internal diameter of pipe fitting to be sealed between 0.2-0.6mm, so that install in pipe fitting to be sealed, can have again good sealability, stops the leakage of high-pressure liquid; The external diameter of seal ring 2a differs with the internal diameter of pipe fitting to be sealed and between 0.2-0.4mm, can reduce expansion amplitude, extends the working life of seal ring 2, and has better sealability, improves sealing grade; The external diameter of compressing member 3 differs with the internal diameter of pipe fitting to be sealed between 0.4-0.8mm, can be convenient to install in pipe fitting to be sealed, have again certain sealability.The position that described plug 1a installs seal ring 2a arranges conical surface 5b(referring to Fig. 4) or concave arc turning surface 5c structure (referring to Fig. 5), conical surface 5b or concave arc turning surface 5c is less than or equal to 1/2 of the axial thickness of described seal ring in the projected length of the shaft axis of plug 1, this structure can make plug 1 small end external diameter increase in the mode of rounding off, the jam-packed of seal ring 2 is more smooth and easy, avoid the damage of seal ring 2 simultaneously, extend the working life of seal ring 2.The axis part of described plug 1a and compressing member 3a arranges the through hole 6,7 be interconnected respectively, compressing member 3a outer end can connect high-pressure liquid (comprising gas, water, oil or other fluid) transport tube, for filling high-pressure liquid in sealed pipe fittings, there is reliable high pressure sealing performance simultaneously.
Although illustrate above preferred embodiment of the present invention and describe, so that principle of the present invention and application to be described, should be appreciated that, the present invention otherwise can realize on the basis of not departing from these principles.
Claims (6)
1. a fast-assembling pipeline sealing device, is characterized in that: comprise plug, seal ring and compressing member composition, wherein seal ring installs with plug and is connected, and compressing member is threaded with plug.
2. fast-assembling pipeline sealing device as claimed in claim 1, is characterized in that: described compressing member is connected with plug by blind hole.
3. fast-assembling pipeline sealing device as claimed in claim 1, is characterized in that: described plug installs seal ring position and arranges cone structure.
4. fast-assembling pipeline sealing device as claimed in claim 1, is characterized in that: described plug installs seal ring position and arranges concave arc turning surface structure.
5. the fast-assembling pipeline sealing device as described in claim 3 or 4, is characterized in that: the described conical surface and concave arc turning surface are less than or equal to 1/2 of the axial thickness of described seal ring in the projected length of plug shaft axis.
6. the fast-assembling pipeline sealing device as described in claim 1,3 or 4, is characterized in that: the axis part of described plug and compressing member arranges the through hole be interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097708.2A CN105546269A (en) | 2016-02-23 | 2016-02-23 | Quickly assembled pipeline sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097708.2A CN105546269A (en) | 2016-02-23 | 2016-02-23 | Quickly assembled pipeline sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105546269A true CN105546269A (en) | 2016-05-04 |
Family
ID=55825674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610097708.2A Pending CN105546269A (en) | 2016-02-23 | 2016-02-23 | Quickly assembled pipeline sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105546269A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575692A (en) * | 2017-07-25 | 2018-01-12 | 盐城美希密封件有限公司 | A kind of plastic union pipe head seal |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1337161A (en) * | 1972-03-21 | 1973-11-14 | Hyblok Sales Ltd | Plug for hydraulic testing |
| GB2161993A (en) * | 1984-07-20 | 1986-01-22 | Raws Shariff Bin B M Shariff | Duct seal |
| AU3520693A (en) * | 1992-03-12 | 1993-09-16 | W.E. Smith Engineering Pty. Limited | Tube plug |
| CN2735138Y (en) * | 2004-09-29 | 2005-10-19 | 赖建新 | Water passage packer |
| CN201351789Y (en) * | 2008-12-25 | 2009-11-25 | 中国北车集团大连机车车辆有限公司 | Sealing plug capable of expanding at pipe opening |
| CN104565662A (en) * | 2014-12-22 | 2015-04-29 | 洛阳能源密封件有限公司 | Soft sealing and blocking device for pipeline end part |
| CN105090673A (en) * | 2014-05-12 | 2015-11-25 | 中国北车集团大同电力机车有限责任公司 | Apparatus and method for truncating and sealing middle part of deep hole of steel pipe |
| CN205606078U (en) * | 2016-02-23 | 2016-09-28 | 王朝永 | Fast -assembling seal for pipe joints device |
-
2016
- 2016-02-23 CN CN201610097708.2A patent/CN105546269A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1337161A (en) * | 1972-03-21 | 1973-11-14 | Hyblok Sales Ltd | Plug for hydraulic testing |
| GB2161993A (en) * | 1984-07-20 | 1986-01-22 | Raws Shariff Bin B M Shariff | Duct seal |
| AU3520693A (en) * | 1992-03-12 | 1993-09-16 | W.E. Smith Engineering Pty. Limited | Tube plug |
| CN2735138Y (en) * | 2004-09-29 | 2005-10-19 | 赖建新 | Water passage packer |
| CN201351789Y (en) * | 2008-12-25 | 2009-11-25 | 中国北车集团大连机车车辆有限公司 | Sealing plug capable of expanding at pipe opening |
| CN105090673A (en) * | 2014-05-12 | 2015-11-25 | 中国北车集团大同电力机车有限责任公司 | Apparatus and method for truncating and sealing middle part of deep hole of steel pipe |
| CN104565662A (en) * | 2014-12-22 | 2015-04-29 | 洛阳能源密封件有限公司 | Soft sealing and blocking device for pipeline end part |
| CN205606078U (en) * | 2016-02-23 | 2016-09-28 | 王朝永 | Fast -assembling seal for pipe joints device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575692A (en) * | 2017-07-25 | 2018-01-12 | 盐城美希密封件有限公司 | A kind of plastic union pipe head seal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Chaoyong Inventor after: Wang Lu Inventor after: Wang Xiaolong Inventor after: Wang Shuailong Inventor after: Wang Hui Inventor after: Jia Qianqian Inventor before: Wang Yongchao Inventor before: Wang Lu Inventor before: Wang Xiaolong Inventor before: Wang Shuailong Inventor before: Wang Hui Inventor before: Jia Qianqian |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160614 Address after: Industry in Tanghe County of Nanyang City, Henan province 473400 area Xingda road and road intersection Ali Applicant after: HENAN YONGFUDE SCIENCE & TECHNOLOGY CO., LTD. Address before: 473000 Henan, Nanyang County, Xinye Province Industrial Agglomeration Area Applicant before: NANYANG DINGGANG INDUSTRIAL CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Chaoyong Inventor before: Wang Chaoyong Inventor before: Wang Lu Inventor before: Wang Xiaolong Inventor before: Wang Shuailong Inventor before: Wang Hui Inventor before: Jia Qianqian |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160628 Address after: Xinye County of Nanyang City, Henan province 473530 qiangaomiao village Zhang Liu Ying Cun Zhang Liu Ying Group No. 15 Applicant after: Wang Chaoyong Address before: Industry in Tanghe County of Nanyang City, Henan province 473400 area Xingda road and road intersection Ali Applicant before: HENAN YONGFUDE SCIENCE & TECHNOLOGY CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |