CN111561630A - Pipeline leakage-proof method and device - Google Patents
Pipeline leakage-proof method and device Download PDFInfo
- Publication number
- CN111561630A CN111561630A CN202010538873.3A CN202010538873A CN111561630A CN 111561630 A CN111561630 A CN 111561630A CN 202010538873 A CN202010538873 A CN 202010538873A CN 111561630 A CN111561630 A CN 111561630A
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- China
- Prior art keywords
- end wall
- sealing
- pipeline
- flange
- gasket
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- 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.)
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Classifications
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- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/005—Protection of pipes or objects of similar shape against external or internal damage or wear specially adapted for the ends of pipes
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- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to a pipeline leakage-proof device, which comprises a sealing cover, wherein the sealing cover comprises an upper shell and a lower shell which are arranged in a matched manner from top to bottom and are used for wrapping the connecting position of a pipeline, a sealing mechanism is arranged between the left end and the right end of the sealing cover and the pipeline, the left end and the right end of the upper shell and the lower shell are respectively provided with an end wall, the end walls are provided with notches, the sealing mechanism comprises an upper sealing component and a lower sealing component, the upper sealing component and the lower sealing component respectively comprise an inner flange, an outer flange and a sealing gasket which are arranged in a semicircular manner, the sealing gasket is clamped between the inner flange and the outer flange, the sealing gasket seals between the outer wall of the pipeline and the end walls, the inner flange, the outer flange and the sealing gasket are respectively and fixedly connected with the end walls, and the, the outer flange is disposed outboard of the end wall. The technical scheme of the invention has the technical effects of convenient use, stability and high pressure resistance.
Description
Technical Field
The invention relates to a method and a device for preventing leakage of a pipeline.
Background
In the field of sewage treatment, especially in the field of waste gas and waste water, the pipeline needs to be protected at the joint to prevent the waste water and waste gas from leaking to cause pollution, or on the pipeline of medicine production, the pipeline needs to be isolated from the external environment. The existing pipeline leakage prevention device generally comprises a sealing cover, the sealing cover comprises an upper shell and a lower shell which are matched with each other from top to bottom and are used for wrapping the connecting position of a pipeline, a sealing mechanism is arranged between the left end and the right end of the sealing cover and the pipeline, end walls are arranged at the left end and the right end of the first shell and the second shell, and notches are arranged on the end walls. However, the sealing mechanism is usually directly mounted at the notch by using a sealing ring, and when the leakage pressure of the pipeline is too high, the sealing mechanism is easy to fail, so that potential safety hazards exist, and the mounting is also complicated.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a pipeline leakage-proof method and a pipeline leakage-proof device which are convenient to use, stable and resistant to high pressure.
In order to achieve the purpose, the invention provides the following technical scheme: a pipeline leakage-proof device comprises a sealing cover, the sealing cover comprises an upper shell and a lower shell which are mutually matched and arranged up and down and are used for wrapping the connecting position of a pipeline, sealing mechanisms are arranged between the left end and the right end of the sealing cover and the pipeline, end walls are arranged at the left end and the right end of the upper shell and the lower shell, the end wall is provided with a gap, the sealing mechanism comprises an upper sealing component and a lower sealing component, the upper sealing component and the lower sealing component respectively comprise an inner flange plate, an outer flange plate and a sealing gasket which are arranged in a semicircular way, the sealing gasket is clamped between the inner flange plate and the outer flange plate and seals the space between the outer wall of the pipeline and the end wall, the inner flange plate, the outer flange plate and the sealing gasket are fixedly connected with the end wall respectively, the inner flange plate is arranged on the inner side of the end wall, and the outer flange plate is arranged on the outer side of the end wall.
Further, the shaft section of the sealing gasket is arranged in a U shape, and the sealing gasket is embedded with the end wall.
Furthermore, the inner flange and the outer flange are provided with grooves matched with the sealing gaskets on the sides corresponding to the sealing gaskets.
Furthermore, the relative positions of the upper shell and the lower shell are both provided with connecting flanges, the connecting flanges of the upper shell and the lower shell are connected through bolts, and the outer side positions of the connecting flanges, which correspond to the end walls, are provided with openings for mounting the outer flange plates.
Furthermore, a gasket is clamped between the upper shell and the lower shell.
The invention also provides a pipeline leakage-proof method, which comprises the following steps:
the method comprises the following steps: respectively assembling the upper shell and the lower shell: embedding the sealing gasket at the position of the end wall, placing an inner flange plate on the inner side of the end wall, placing an outer flange plate on the outer side of the end wall corresponding to the opening, and fixing the inner flange plate, the sealing gasket, the end wall and the outer flange plate through bolts and nuts;
step two: placing the installed lower shell at a pipeline connecting position, enabling the sealing gasket at the position of the gap corresponding to the end wall to be attached to the outer wall of the pipeline, and placing a gasket at the position of a connecting flange of the lower shell;
step three: the upper shell is buckled on the lower shell, and the connecting flange of the upper shell and the lower shell is fixed through a bolt and a nut, so that the installation is completed.
The technical scheme of the invention has the technical effects of convenient use, stability and high pressure resistance.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a block diagram of an embodiment of the lower housing of the present invention;
FIG. 4 is a block diagram of an embodiment of the upper seal assembly of the present invention;
fig. 5 is an exploded view of the upper seal assembly embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings and examples.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Referring to fig. 1-5, the leakage preventing device for a pipeline 2 disclosed by the invention comprises a sealing cover 1, wherein the sealing cover 1 comprises an upper shell 11 and a lower shell 12 which are installed in a vertically matched manner and used for wrapping the connecting position of the pipeline 2, a sealing mechanism is arranged between the left end and the right end of the sealing cover 1 and the pipeline 2, end walls 121 are arranged at the left end and the right end of the upper shell 11 and the lower shell 12, notches 122 are arranged on the end walls 121, the sealing mechanism comprises an upper sealing assembly 3 and a lower sealing assembly 4, the upper sealing assembly 3 and the lower sealing assembly 4 respectively comprise an inner flange 41, an outer flange 42 and a sealing gasket 43 which are arranged in a semicircular manner, the sealing gasket 43 is clamped between the inner flange 41 and the outer flange 42, the sealing gasket 43 seals the space between the outer wall of the pipeline 2 and the end walls 121, and the inner flange 41, The outer flange 42 and the sealing gasket 43 are respectively fixedly connected to the end wall 121, the inner flange 41 is disposed on the inner side of the end wall 121, and the outer flange 42 is disposed on the outer side of the end wall 121.
In this embodiment, the axial section of the sealing gasket 43 is preferably U-shaped, and the sealing gasket 43 is embedded in the end wall 121.
In this embodiment, the inner flange 41 and the outer flange 42 are provided with a groove 44 corresponding to one side of the gasket 43 and matching with the gasket 43.
In the preferred embodiment, the opposite positions of the upper housing 11 and the lower housing 12 are both provided with connecting flanges 5, the connecting flanges 5 of the upper housing 11 and the lower housing 12 are connected by bolts, and the outer side positions of the connecting flanges 5 corresponding to the end walls 121 are provided with openings 51 for the outer flange 42 to be installed.
In the present embodiment, a gasket 6 is preferably interposed between the upper housing 11 and the lower housing 12. Preferably, the gasket 6 is provided symmetrically in left and right halves, and the gasket 6 is provided with a gasket opening corresponding to the opening 51 of the connecting flange 5.
The invention also provides a method for preventing leakage of the pipeline 2, which comprises the following steps:
the method comprises the following steps: assembling the upper housing 11 and the lower housing 12, respectively: embedding the sealing gasket 43 at the position of the end wall 121, placing the inner flange 41 on the inner side of the end wall 121, placing the outer flange 42 on the outer side of the end wall 121 corresponding to the position of the opening 51, and fixing the inner flange 41, the sealing gasket 43, the end wall 121 and the outer flange 42 through bolts and nuts;
step two: placing the installed lower shell 12 at the connecting position of the pipeline 2, enabling the sealing gasket 43 of the end wall 121 corresponding to the position of the notch 122 to be attached to the outer wall of the pipeline 2, and placing the gasket 6 at the position of the connecting flange 5 of the lower shell 12;
step three: the mounted upper case 11 is fastened to the lower case 12, and the upper case 11 and the connecting flange 5 of the lower case 12 are fixed by bolts and nuts, thereby completing the mounting.
The technical scheme of the invention has the technical effects of convenient use, stability and high pressure resistance.
Claims (6)
1. The utility model provides a device is prevented leaking by pipeline, includes the sealed cowling, the sealed cowling is including the last casing and the lower casing of mutually supporting installation from top to bottom and being used for wrapping up pipeline hookup location, be provided with sealing mechanism between both ends and the pipeline about the sealed cowling, both ends all are provided with the end wall about going up casing and lower casing, be provided with breach, its characterized in that on the end wall: sealing mechanism includes upper seal subassembly and lower sealing assembly, upper seal subassembly and lower sealing assembly equally divide do not including the interior ring flange, the outer ring flange, the sealed pad that are the annular setting of semicircle, sealed pad clamp is established between interior ring flange and the outer ring flange, sealed pad to the pipeline outer wall with seal between the end wall, interior ring flange, outer ring flange and sealed pad respectively with end wall fixed connection, interior ring flange is arranged in the inboard of end wall, outer ring flange is arranged in the outside of end wall.
2. A tube leakage prevention apparatus, as per claim 1, wherein: the shaft section of the sealing gasket is arranged in a U shape, and the sealing gasket is embedded with the end wall.
3. A tube leakage prevention apparatus, as per claim 2, wherein: and grooves matched with the sealing gaskets are formed in one sides of the inner flange plate and the outer flange plate, which correspond to the sealing gaskets.
4. A tube leakage prevention apparatus, as per claim 3, wherein: the outer side position of the connecting flange corresponding to the end wall is provided with an opening for installing the outer flange plate.
5. A tube leakage prevention apparatus, as per claim 4, wherein: and a gasket is clamped between the upper shell and the lower shell.
6. A method of tube containment of a tube containment apparatus, as claimed in claim 5, wherein: the method comprises the following steps:
the method comprises the following steps: respectively assembling the upper shell and the lower shell: embedding the sealing gasket at the position of the end wall, placing an inner flange plate on the inner side of the end wall, placing an outer flange plate on the outer side of the end wall corresponding to the notch, and fixing the inner flange plate, the sealing gasket, the end wall and the outer flange plate through bolts and nuts;
step two: placing the installed lower shell at a pipeline connecting position, enabling the sealing gasket at the position of the gap corresponding to the end wall to be attached to the outer wall of the pipeline, and placing a gasket at the position of a connecting flange of the lower shell;
step three: the upper shell is buckled on the lower shell, and the connecting flange of the upper shell and the lower shell is fixed through a bolt and a nut, so that the installation is completed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010538873.3A CN111561630B (en) | 2020-06-13 | 2020-06-13 | Pipeline leakage-proof method and device |
Applications Claiming Priority (1)
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CN202010538873.3A CN111561630B (en) | 2020-06-13 | 2020-06-13 | Pipeline leakage-proof method and device |
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CN111561630A true CN111561630A (en) | 2020-08-21 |
CN111561630B CN111561630B (en) | 2022-03-11 |
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CN202010538873.3A Active CN111561630B (en) | 2020-06-13 | 2020-06-13 | Pipeline leakage-proof method and device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113669521A (en) * | 2021-08-30 | 2021-11-19 | 江苏全给净化科技有限公司 | Wisdom water utilities is with preventing leaking device |
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DE19519341C1 (en) * | 1995-05-26 | 1996-06-20 | Friatec Keramik Kunststoff | Repair kit for mending pipeline |
CA2310557A1 (en) * | 2000-05-24 | 2001-11-24 | Bruce L. Zwaan | Fugitive emission capture device |
KR20090038160A (en) * | 2007-10-15 | 2009-04-20 | 권찬용 | Pipe connection part cover assembly |
CN201651657U (en) * | 2010-04-10 | 2010-11-24 | 刘耀腾 | Pipe quick connector |
CN202195233U (en) * | 2011-08-17 | 2012-04-18 | 池州恒生科技发展有限公司 | Pipeline connecting repair device |
JP2012211652A (en) * | 2011-03-31 | 2012-11-01 | Efutekku Kk | Oil leakage part sealing construction method and oil leakage part sealing structure |
KR20120124312A (en) * | 2011-05-03 | 2012-11-13 | 전남도시가스(주) | Rainwater inflow preventing cover for the gas pipe |
KR101471952B1 (en) * | 2013-09-16 | 2014-12-12 | 한국기계연구원 | Cover for measuring pipe leak |
CN104847981A (en) * | 2015-06-12 | 2015-08-19 | 上海中船三井造船柴油机有限公司 | Connecting apparatus of dual-wall high-pressure gas pipelines |
CN109442136A (en) * | 2018-12-12 | 2019-03-08 | 陕西航天机电环境工程设计院有限责任公司 | A kind of online plugging device of pipeline leakage |
CN109681721A (en) * | 2019-01-10 | 2019-04-26 | 中海油能源发展股份有限公司 | A kind of protecting apparatus special of flange and union |
CN209654849U (en) * | 2018-12-29 | 2019-11-19 | 焦作市鸣雷带压密封科技有限公司 | A kind of connecting flange blocking clamper |
CN110594523A (en) * | 2019-10-09 | 2019-12-20 | 安徽欧泰祺智慧水务科技有限公司 | Pipeline repairing device and half shell thereof |
CN111219547A (en) * | 2020-01-17 | 2020-06-02 | 陈艳艳 | Valve pipeline butt joint is with preventing leaking device |
-
2020
- 2020-06-13 CN CN202010538873.3A patent/CN111561630B/en active Active
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19519341C1 (en) * | 1995-05-26 | 1996-06-20 | Friatec Keramik Kunststoff | Repair kit for mending pipeline |
CA2310557A1 (en) * | 2000-05-24 | 2001-11-24 | Bruce L. Zwaan | Fugitive emission capture device |
KR20090038160A (en) * | 2007-10-15 | 2009-04-20 | 권찬용 | Pipe connection part cover assembly |
CN201651657U (en) * | 2010-04-10 | 2010-11-24 | 刘耀腾 | Pipe quick connector |
JP2012211652A (en) * | 2011-03-31 | 2012-11-01 | Efutekku Kk | Oil leakage part sealing construction method and oil leakage part sealing structure |
KR20120124312A (en) * | 2011-05-03 | 2012-11-13 | 전남도시가스(주) | Rainwater inflow preventing cover for the gas pipe |
CN202195233U (en) * | 2011-08-17 | 2012-04-18 | 池州恒生科技发展有限公司 | Pipeline connecting repair device |
KR101471952B1 (en) * | 2013-09-16 | 2014-12-12 | 한국기계연구원 | Cover for measuring pipe leak |
CN104847981A (en) * | 2015-06-12 | 2015-08-19 | 上海中船三井造船柴油机有限公司 | Connecting apparatus of dual-wall high-pressure gas pipelines |
CN109442136A (en) * | 2018-12-12 | 2019-03-08 | 陕西航天机电环境工程设计院有限责任公司 | A kind of online plugging device of pipeline leakage |
CN209654849U (en) * | 2018-12-29 | 2019-11-19 | 焦作市鸣雷带压密封科技有限公司 | A kind of connecting flange blocking clamper |
CN109681721A (en) * | 2019-01-10 | 2019-04-26 | 中海油能源发展股份有限公司 | A kind of protecting apparatus special of flange and union |
CN110594523A (en) * | 2019-10-09 | 2019-12-20 | 安徽欧泰祺智慧水务科技有限公司 | Pipeline repairing device and half shell thereof |
CN111219547A (en) * | 2020-01-17 | 2020-06-02 | 陈艳艳 | Valve pipeline butt joint is with preventing leaking device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113669521A (en) * | 2021-08-30 | 2021-11-19 | 江苏全给净化科技有限公司 | Wisdom water utilities is with preventing leaking device |
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CN111561630B (en) | 2022-03-11 |
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Effective date of registration: 20230805 Address after: Room 312, 3rd floor, building 7, Science Park, Wenzhou National University, No. 50, Dongfang South Road, Ouhai Economic Development Zone, Wenzhou City, Zhejiang Province 325000 Patentee after: Wenzhou leakage corrosion Hardware Products Co.,Ltd. Address before: 325000 Room 309, college student entrepreneurship Park, Wenzhou Vocational College of science and technology, Ouhai District, Wenzhou City, Zhejiang Province Patentee before: WENZHOU DONGCHONG TRADING CO.,LTD. |
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