CN201326869Y - Inflatable closure plug - Google Patents
Inflatable closure plug Download PDFInfo
- Publication number
- CN201326869Y CN201326869Y CNU2008201791999U CN200820179199U CN201326869Y CN 201326869 Y CN201326869 Y CN 201326869Y CN U2008201791999 U CNU2008201791999 U CN U2008201791999U CN 200820179199 U CN200820179199 U CN 200820179199U CN 201326869 Y CN201326869 Y CN 201326869Y
- Authority
- CN
- China
- Prior art keywords
- closure plug
- support
- air bag
- inflatable
- air
- Prior art date
Links
- 230000000414 obstructive Effects 0.000 claims description 7
- 210000001503 Joints Anatomy 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 230000000903 blocking Effects 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 210000004712 Air Sacs Anatomy 0.000 abstract 2
- 210000003733 Optic Disk Anatomy 0.000 abstract 1
- 239000003570 air Substances 0.000 description 12
- OENIXTHWZWFYIV-UHFFFAOYSA-N 2-[4-[2-[5-(cyclopentylmethyl)-1H-imidazol-2-yl]ethyl]phenyl]benzoic acid Chemical compound data:image/svg+xml;base64,<?xml version='1.0' encoding='iso-8859-1'?>
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- 210000003128 Head Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006011 modification reactions Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000007789 gases Substances 0.000 description 2
- 238000000034 methods Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 239000011901 water Substances 0.000 description 1
Abstract
The utility model relates to a seal device, in particular to an inflatable closure plug, comprising a frame and a blocking bracket connected with the frame through a drag rod. The blocking bracket is formed by jointing two rotary tables each equipped with an arc groove at one side thereof, the other side of each rotary table is provided with an air inlet channel communicated with the arc grooves, an air sac is arranged in a circular groove formed by jointing the arc grooves of the two rotary tables, and a connector of the air sac is led out through the air inlet channels. The inflatable closure plug solves inner air isolation problems of pipelines and valves. The reusable inflatable closure plug can be designed and prepared in advance according to caliber, thereby avoiding customization defects of flanges or blind spots. The inflatable closure plug is characterized by integral closure, easy assembly, quick air isolation in pipelines or valves, foreign body resistance function and sealed effect.
Description
Technical field
The utility model relates to seal arrangement, is specifically related to a kind of inflatable seal plug.
Background technique
In nuclear power valve pipeline maintenance process, must strictness prevent that foreign matter from entering system, usually the measure of taking at present is with flange or blind head valve pipe to be carried out shutoff, its shortcoming is that required flange or blind head will customize processing, also need to install gasket seal when carrying out shutoff, installation rate is slower, is unfavorable for reducing operator's radiation dose.
Summary of the invention
The purpose of this utility model is to provide a kind of reusable, inflatable seal device that installation rate is fast.
Realize the technological scheme of the utility model purpose: a kind of inflatable seal plug, the obstruction support that comprises support, is connected with support by pull bar, the obstruction support interconnects one by two round platforms that simultaneously have arc groove and forms, be provided with the gas-entered passageway that communicates with arc groove on the another side of any one in two round platforms, be provided with air bag in the annular groove that the butt joint of the arc groove of two round platforms forms, the joint of air bag is drawn by gas-entered passageway.
Aforesaid inflatable seal plug, air bag adopt nitrile rubber to make.
Effect of the present utility model is: the inflatable seal plug can design and produce according to caliber in advance, can reuse, and has overcome the defective that adopts flange or blind head to need customization processing.The inflatable seal plug is with the integrated type shutoff, and is quick and easy for installation, can isolate at pipeline or valve internal cavity fast, plays anti-foreign matter and seal action.This inflatable seal plug energy sealing orifice or valve openings position, also can set up isolation at pipeline or valve internal tank proper site, and the water or the gas of energy bearing certain pressure, be easy to use the anti-foreign matter measure of conduct in the valve pipe maintenance, or do a kind of interim isolating means.
Description of drawings
Fig. 1 is the structural representation of a kind of inflatable seal plug of the present utility model.
Among the figure: 1. pipeline; 2. air bag; 3. obstruction support; 4. gas-entered passageway; 5. support; 6. nut; 7. pull bar.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, a kind of inflatable seal plug, comprise support 5, the obstruction support 3 that is connected with support 5 by pull bar 7, obstruction support 3 interconnects one by two round platforms that simultaneously have arc groove and forms, be provided with the gas-entered passageway 4 that communicates with arc groove on the another side of any one in two round platforms, be provided with air bag 2 in the annular groove that the butt joint of the arc groove of two round platforms forms, the joint of air bag 2 is drawn by gas-entered passageway 4.Support 5 is a frustoconic shape, and its axis has screw, and support 5 is fixedlyed connected by pull bar 7, nut 6 with stopping up between the support 3.Air bag 2 adopts nitrile rubber to make.
The concrete usage mode of the utility model is as follows: make the inflatable seal plug in advance, make the size of stopping up support 3 and treat that the internal diameter size of blocking pipe 1 is suitable.After being installed in air bag 2 in the annular groove, fixedly connected with stopping up between two round platforms of support 3 by screw, nut.Inflatable seal plug integral body is put into the mouth of pipe or the valve openings position that needs sealing,, support 5 is fixed on the outside end face of the mouth of pipe or valve openings, and suitably adjusts, make its air bag 2 be in the longitudinal cross-section position of pipeline 1 inside by adjusting nut 6.To air bag 2 inflations, air bag 2 fits tightly with the inwall at the mouth of pipe or valve openings place under gas pressure and finishes sealing joint by air bag 2 through gas-entered passageway 4.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.If these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (2)
1. inflatable seal plug, it is characterized in that: comprise support (5), pass through the obstruction support (3) that pull bar (7) is connected with support (5), obstruction support (3) interconnects one by two round platforms that simultaneously have arc groove and forms, in two round platforms, be provided with the gas-entered passageway (4) that communicates with arc groove on the another side of any one, be provided with air bag (2) in the annular groove that the butt joint of the arc groove of two round platforms forms, the joint of air bag (2) is drawn by gas-entered passageway (4).
2. inflatable seal plug as claimed in claim 1 is characterized in that: air bag (2) adopts nitrile rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201791999U CN201326869Y (en) | 2008-11-27 | 2008-11-27 | Inflatable closure plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201791999U CN201326869Y (en) | 2008-11-27 | 2008-11-27 | Inflatable closure plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201326869Y true CN201326869Y (en) | 2009-10-14 |
Family
ID=41178841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201791999U CN201326869Y (en) | 2008-11-27 | 2008-11-27 | Inflatable closure plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201326869Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162563A (en) * | 2010-12-15 | 2011-08-24 | 高平市泫氏铸管有限公司 | Cast pipe coating plug |
| CN102200014A (en) * | 2010-03-23 | 2011-09-28 | 同济大学 | Earth pressure balance type annular shield machine |
| CN103982745A (en) * | 2014-05-28 | 2014-08-13 | 中科华赫（北京）科技有限责任公司 | Temporary pipeline sealing system high in reliability |
| CN106298243A (en) * | 2016-09-30 | 2017-01-04 | 铜陵其利电子材料有限公司 | A kind of capacitor core body inflation dust plug |
| CN106594449A (en) * | 2017-02-27 | 2017-04-26 | 中国工程物理研究院总体工程研究所 | Air inflation sealing device for large-diameter pipeline |
| CN109209692A (en) * | 2018-10-10 | 2019-01-15 | 泉州台商投资区本盛机械科技有限公司 | A kind of bellows seal attachment device for turbocompressor |
-
2008
- 2008-11-27 CN CNU2008201791999U patent/CN201326869Y/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200014A (en) * | 2010-03-23 | 2011-09-28 | 同济大学 | Earth pressure balance type annular shield machine |
| CN102162563A (en) * | 2010-12-15 | 2011-08-24 | 高平市泫氏铸管有限公司 | Cast pipe coating plug |
| CN103982745A (en) * | 2014-05-28 | 2014-08-13 | 中科华赫（北京）科技有限责任公司 | Temporary pipeline sealing system high in reliability |
| CN106298243A (en) * | 2016-09-30 | 2017-01-04 | 铜陵其利电子材料有限公司 | A kind of capacitor core body inflation dust plug |
| CN106298243B (en) * | 2016-09-30 | 2018-09-14 | 铜陵其利电子材料有限公司 | A kind of capacitor core body inflation dust plug |
| CN106594449A (en) * | 2017-02-27 | 2017-04-26 | 中国工程物理研究院总体工程研究所 | Air inflation sealing device for large-diameter pipeline |
| CN106594449B (en) * | 2017-02-27 | 2018-08-21 | 中国工程物理研究院总体工程研究所 | Air inflation sealing device for large diameter pipeline |
| CN109209692A (en) * | 2018-10-10 | 2019-01-15 | 泉州台商投资区本盛机械科技有限公司 | A kind of bellows seal attachment device for turbocompressor |
| CN109209692B (en) * | 2018-10-10 | 2019-10-25 | 泉州市佑森机械科技有限公司 | A kind of bellows seal attachment device for turbocompressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091014 |
|
| CX01 | Expiry of patent term |