CN203146980U - Automatic blocking valve for pipeline leakage - Google Patents
Automatic blocking valve for pipeline leakage Download PDFInfo
- Publication number
- CN203146980U CN203146980U CN 201320088200 CN201320088200U CN203146980U CN 203146980 U CN203146980 U CN 203146980U CN 201320088200 CN201320088200 CN 201320088200 CN 201320088200 U CN201320088200 U CN 201320088200U CN 203146980 U CN203146980 U CN 203146980U
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- valve
- cylinder
- drainage
- piston
- connecting rod
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Abstract
The utility model belongs to the field of risk source pipeline blocking devices and particularly relates to an automatic blocking valve for pipeline leakage. The automatic blocking valve comprises a valve body (1), wherein the valve body (1) comprises a main channel (2) and an automatic shutoff mechanism; a shutoff port (3) is fixedly arranged in the main channel (2); the automatic shutoff mechanism comprises an air cylinder (4), a piston (5) and a valve (6); the piston (5) is in movable fit with the inner wall of the air cylinder (4) and is fixedly connected with the valve (6) through a connecting rod (16); a thrust spring (7) is fixedly arranged between the top of the piston (5) and the top of the air cylinder (4); a first drainage branch (8) and a second drainage branch (9) are fixedly equipped on two sides of the air cylinder (9); and two ports of the first drainage branch (8) and the second drainage branch (9) are respectively communicated with the bottom area of an inner cavity of the main channel (2) and the bottom area of an inner cavity of the air cylinder (4). The automatic blocking valve disclosed by the utility model has the advantages of simple structure, fewer assemblies, short assembly time, high safety, small medium loss and ideal blocking effect.
Description
Technical field
The utility model belongs to blocking device field, risk source capsule road, relates in particular to a kind of the generation in risk source capsule road and leaks in emergency circumstances, risk source capsule road is implemented the automatic shutoff valve of pipe leakage of quick blocking.
Background technique
Mainly there is the agent injecting type non-stop plugging in existing pipeline leakage plugging, the external sealing type leak stopping, the binding type leak stopping, the stopper leak stopping, the metal leak stopping, pouring-in leak stopping and stick type leak stopping pattern, agent injecting type non-stop plugging utensil mainly comprises anchor clamps, the injecting valve, the high pressure injection gun, ready-packaged joint, high-pressure pipeline, oil return afterbody joint, element of construction such as oil pressure selector valve joint and manual hydraulic oil pump, the flange that is mainly used in the chemical accident is revealed, carry out shutoff and for pipeline the main taper stopper that adopts of fracture takes place, and the external sealing type leak stopping, the binding type leak stopping mainly comprises air bag, outer surface that can only blocking pipe leaks, and leaks and inapplicable for straight mouthful of pipeline.The stick type leak stopping mainly utilizes the characteristic of adhesive that pipeline appearance leak site is glued benefit, treat that adhesive solidifies after, withdraw from external force, reach the purpose of sealing.For the leakage of oil delivering pipe, carrying out the attention that pipe plugging will be especially when speedily carrying out rescue work, when getting angry a little away from valve, in order to reduce oil and gas leakage to greatest extent, this adopts local blocking technology in the pipeline often, blocks gas stream, gets angry being with oil to get angry to become no oil.
The subject matter that above-mentioned shutoff utensil and method for blocking thereof exist is: need stop to operate manually again behind the fed sheet of a media, and its system architecture complexity, assembly parts is many, and installation time is long, and plugging effect is not really desirable.
The model utility content
The utility model is intended to overcome the deficiencies in the prior art part and provides a kind of simple in structure, and assembly parts is few, and installation time is short, and safe, dielectric loss is little, the automatic shutoff valve of pipe leakage that plugging effect is desirable.
For solving the problems of the technologies described above, the utility model is to realize like this.
The automatic shutoff valve of a kind of pipe leakage, it comprises valve body; Described valve body comprises the main passage and automatically shuts down mechanism; Be fixed with the pass fracture in the described main passage; The described mechanism that automatically shuts down comprises cylinder, valve and places the interior piston of cylinder; Described piston and cylinder inner wall movingly, its geometrical center is fixedly connected through connecting rod and valve; Be fixed with thrust spring between the top of described piston and the top of cylinder; The working surface of described valve is corresponding with the pass fracture, to guarantee the folding of main passage; Fixedly be furnished with first drainage shunt and second drainage in the both sides of described cylinder along separate routes; Described first drainage communicates with main passage inner chamber and cylinder inner cavity bottom section respectively with second drainage two-port along separate routes along separate routes.
As a kind of preferred version, the utility model is fixed with first spherical valve and second spherical valve respectively along separate routes with in second drainage along separate routes successively in described first drainage.
As another kind of preferred version, the utility model is fixed with the cylinder attaching nut between described cylinder and main passage; Be fixed with the connecting rod nut described cylinder attaching nut; The outer wall of described connecting rod and connecting rod nut inner wall are movingly.
The utility model takes place to leak in emergency circumstances in risk source capsule road by automatically shutting down mechanism valve body setting, can implement automatic quick blocking to risk source capsule road.The utility model is simple in structure, and assembly parts is few, and installation time is short, and safe, dielectric loss is little, the plugging effect ideal.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.Protection domain of the present utility model not only is confined to the statement of following content.
Fig. 1 is overall structure schematic representation of the present utility model.
Among the figure: 1, valve body; 2, main passage; 3, close fracture; 4, cylinder; 5, piston; 6, valve; 7, thrust spring; 8, first drainage along separate routes; 9, second drainage along separate routes; 10, first spherical valve; 11, second spherical valve; 12, cylinder attaching nut; 13, connecting rod nut; 14, seal ring; 15, adpting flange; 16, connecting rod.
Embodiment
As shown in the figure, the automatic shutoff valve of pipe leakage, it comprises valve body 1; Described valve body 1 comprises main passage 2 and automatically shuts down mechanism; Be fixed with in the described main passage 2 and close fracture 3; The described mechanism that automatically shuts down comprises cylinder 4, valve 6 and places piston 5 in the cylinder 4; Described piston 5 and cylinder 4 inwalls movingly, its geometrical center is fixedly connected through connecting rod 16 and valve 6; Be fixed with thrust spring 7 between the top of the top of described piston 5 and cylinder 4; The working surface of described valve 6 is corresponding with pass fracture 3, to guarantee the folding of main passage 2; Fixedly is furnished with first drainage, 8 and second drainage shunt 9 along separate routes in the both sides of described cylinder 4; Described first drainage shunt 8 communicates with main passage 2 inner chambers and cylinder 4 intracavity bottom zones respectively with the two-port of second drainage shunt 9.
The utility model is fixed with first spherical valve 10 and second spherical valve 11 respectively in 8 and second drainage shunt 9 along separate routes successively in described first drainage.
The utility model is fixed with cylinder attaching nut 12 between described cylinder 4 and main passage 2; Be fixed with connecting rod nut 13 described cylinder attaching nut 12; The outer wall of described connecting rod 16 and connecting rod nut 13 inwalls are movingly.As shown in the figure, 14 is seal ring, with the sealing of guarantee system inside; 15 is adpting flange.
The utility model is applicable to the colliery, chemical industry, and various pipelines such as oil, when causing that when coal mine gas from explosion or because of reasons such as other machineries piping facility damages, it has the function of the above pipeline of automatic shutoff fracture location of moment.The utility model reaction time is 10 milliseconds, can guarantee calamity after pipeline gas (or other types medium) normally is provided.The utility model non-transformer control, installation and maintenance are simple and convenient, and very economical, can be the various facility calamities of taking refuge such as colliery after normal operation supply press wind.The utility model mode of action is that pressure reduction presses off formula.
The utility model earlier by designing requirement, is fitted to the main passage 2 of valve body 1 key node of medium transport pipeline in use.Close second drainage shunt 9, open first spherical valve 10; When the urgency of leakage takes place in source capsule road, sector-style danger instantly, descending inner cavity of pipe is together with first drainage shunt, 8 inner chamber decompressions, this moment, the piston 5 in the cylinder 4 moved down in effect following moment of pressurized gas, and connecting rod 16 promotes valves 6, will close fracture 3 by thrust spring 7 and shut.At this moment, whole medium transport pipeline is by shutoff automatically.After leaking the urgency eliminating, need restart the automatic shutoff valve of pipe leakage, at this moment, open second drainage shunt 9, close first spherical valve 10.At this moment, the piston 5 in the cylinder 4 returns back to original position under the pressure of transfer line medium, closes second drainage shunt 9 at last more again, opens first spherical valve 10, thereby finishes the one action circulation of the automatic shutoff valve of pipe leakage.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. the automatic shutoff valve of pipe leakage comprises valve body (1); It is characterized in that described valve body (1) comprises main passage (2) and automatically shuts down mechanism; Be fixed with in the described main passage (2) and close fracture (3); The described mechanism that automatically shuts down comprises cylinder (4), valve (6) and places the interior piston (5) of cylinder (4); Described piston (5) and cylinder (4) inwall movingly, its geometrical center is fixedly connected through connecting rod (16) and valve (6); Be fixed with thrust spring (7) between the top of the top of described piston (5) and cylinder (4); The working surface of described valve (6) is corresponding with pass fracture (3), to guarantee the folding of main passage (2); Fixedly be furnished with first drainage (8) and second drainage shunt (9) along separate routes in the both sides of described cylinder (4); Described first drainage (8) along separate routes communicates with main passage (2) inner chamber and cylinder (4) intracavity bottom zone respectively with the two-port of second drainage shunt (9).
2. the automatic shutoff valve of pipe leakage according to claim 1 is characterized in that: be fixed with first spherical valve (10) and second spherical valve (11) successively respectively on (9) along separate routes in described first drainage shunt (8) and second drainage.
3. the automatic shutoff valve of pipe leakage according to claim 2 is characterized in that: be fixed with cylinder attaching nut (12) between described cylinder (4) and main passage (2); Be fixed with connecting rod nut (13) described cylinder attaching nut (12); The outer wall of described connecting rod (16) and connecting rod nut (13) inwall are movingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088200 CN203146980U (en) | 2013-02-27 | 2013-02-27 | Automatic blocking valve for pipeline leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088200 CN203146980U (en) | 2013-02-27 | 2013-02-27 | Automatic blocking valve for pipeline leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146980U true CN203146980U (en) | 2013-08-21 |
Family
ID=48974504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320088200 Expired - Lifetime CN203146980U (en) | 2013-02-27 | 2013-02-27 | Automatic blocking valve for pipeline leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146980U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090087A (en) * | 2013-02-27 | 2013-05-08 | 张晖 | Pipeline leakage automatic blocking valve |
| CN113090839A (en) * | 2021-03-30 | 2021-07-09 | 陈蕾蕾 | Three-way joint |
| CN113090842A (en) * | 2021-03-30 | 2021-07-09 | 陈蕾蕾 | Four-way valve capable of automatically cutting off when pipe is taken off |
-
2013
- 2013-02-27 CN CN 201320088200 patent/CN203146980U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090087A (en) * | 2013-02-27 | 2013-05-08 | 张晖 | Pipeline leakage automatic blocking valve |
| CN103090087B (en) * | 2013-02-27 | 2015-04-22 | 张晖 | Pipeline leakage automatic blocking valve |
| CN113090839A (en) * | 2021-03-30 | 2021-07-09 | 陈蕾蕾 | Three-way joint |
| CN113090842A (en) * | 2021-03-30 | 2021-07-09 | 陈蕾蕾 | Four-way valve capable of automatically cutting off when pipe is taken off |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20150422 |