CN201428830Y - PE ball valve for gas network - Google Patents
PE ball valve for gas network Download PDFInfo
- Publication number
- CN201428830Y CN201428830Y CN2009201577307U CN200920157730U CN201428830Y CN 201428830 Y CN201428830 Y CN 201428830Y CN 2009201577307 U CN2009201577307 U CN 2009201577307U CN 200920157730 U CN200920157730 U CN 200920157730U CN 201428830 Y CN201428830 Y CN 201428830Y
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- CN
- China
- Prior art keywords
- reducer union
- seal ring
- ball valve
- spool
- fixed support
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- Expired - Lifetime
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Abstract
The utility model provides a PE ball valve for gas network, comprising a valve body and a valve core; wherein the lower part of the valve body is symmetrically provided with two variable diameter joints fixedly connected with the valve body, the valve core is arranged in the variable diameter joints and is provided with a torsion axle pin in fitting type, the torsion axle pin is connected with a spanner cap, the diameters of inner holes of the variable diameter joints and the valve core are phi 230 mm or more, the inner holes of the variable diameter joints are full bore type or reduced bore type, and three sealing rings are respectively provided between the valve body and the torsion axle pin, and between the valve core and the variable diameter joints. The outer diameter of the port of the variable diameter joint of the ball valve is 10 inches or more, and the PE ball valve has the advantages of easy switch and usage, thereby satisfying large-diameter gas network and being beneficialfor popularization.
Description
Technical field
The utility model belongs to the combustion gas transportation art, and the PE ball valve that particularly a kind of gas ductwork is used is specifically related to a kind of 10 " above PE ball valve made in Great Britain.
Background technique
Along with the continuous research of people to the PE material, the PE material that PE80, PE100 etc. are applicable to the line transportation combustion gas has appearred, owing to have the advantage of more property and price, used widely at gas industry than the pipe of other materials.Simultaneously, also use more and more as indispensable pipeline control unit-ball valve in the PE pipeline.
At present, the ball valve of gas pipeline has two kinds, and a kind of is the steel ball valve, and another kind is the PE ball valve.The steel ball valve has the engineering cost height, and complicated characteristics are installed.And the PE ball valve has engineering cost characteristics low, easy for installation, makes increasing user like using the PE ball valve.
But because existing P E ball valve, have the big inadequately problem of internal diameter size of spool and reducer union, if when gas pipeline adopts the pipe of larger diameter, can only select the steel ball valve, this has just limited the use of PE ball valve in the major diameter gas pipeline.
Summary of the invention
The purpose of this utility model is the defective that exists at above-mentioned prior art, the PE ball valve that provides a kind of gas ductwork to use, this PE ball valve has big specification, the port outside diameter that is specifically related to ball valve is 10 " above PE ball valve made in Great Britain; and have unlatching and advantage easy to use, satisfy the use of major diameter gas pipeline.
The technological scheme taked of the utility model is to achieve these goals: the PE ball valve that a kind of gas ductwork is used, comprise valve body and spool, described valve body lower portion is arranged with two reducer unions of fixedlying connected with it, described spool is located in the reducer union, described spool is provided with the pivot pin that reverses that matches with it, reverses the spanner cap that pivot pin is connecting; Wherein, the diameter of bore of reducer union and described spool is more than the Φ 230mm, and the reducer union endoporus adopts all-pass footpath or undergauge, described valve body and reverse between the pivot pin, be respectively equipped with seal ring between described spool and the reducer union.So the reducer union port outside diameter of PE ball valve described in the utility model can reach 10 " more than the English system, and have unlatching and advantage easy to use, satisfy the use of major diameter gas pipeline.
In order to prevent that seal ring comes off between described spool and the described reducer union, the seal ring between described spool and the described reducer union is to support by the fixed support that is set in the described reducer union, and described seal ring and fixed support match; Described reducer union inwall radially is provided with two grooves, fixed support and seal ring are respectively having a buckle with two groove fit places respectively, fixed support and described seal ring are packed into behind the described reducer union inboard wall groove, two buckles are stuck in described reducer union inboard wall groove place, stop fixed support and described seal ring to move axially; Radially, described seal ring outer wall cooperates with described reducer union inwall, part fixed support outer wall cooperates with described reducer union inwall, another part fixed support outer wall cooperates with described seal ring inwall, described seal ring is assemblied in the middle of described reducer union and the fixed support, and reducer union and fixed support can stop seal ring to move radially.
In order to make the seal ring installation between described spool and the described reducer union more firm, the face that described seal ring inwall cooperates with described fixed support outer wall is the inclined-plane, and wedging effect stops seal ring axially to break away from described reducer union.
In order to increase sealing area, make good sealing effect.Seal ring between described spool and the described reducer union, it is having the angle of inclination of a relative horizontal plane with the spool cooperation place.
Described angle of inclination is between 60 °-90 °.
In order to increase stationarity of the present utility model, described spool bottom is provided with collet, and collet and spool are by inserting the bearing pin location in it.Described like this spool upper end cooperates with the described pivot pin that reverses, and described spool lower end cooperates with fixing pin, has formed the stationary structure of two-way location, makes the utility model structure more firm.
In order to increase the life-span of bearing pin, the outer cover of inserting the described bearing pin in the described collet is connected to lining.
For the ease of opening and closing ball valve, described spanner cap is provided with opens or closes ball-cock device.Described spanner cap is on the top of described valve body, and the slotted hole of described spanner cap inside cooperates with the described pivot pin that reverses, and opens or close ball valve described in the utility model by opening or close ball-cock device through the spanner cap.
Described valve body and described reducer union are through twice electric smelting one that is welded.During welding, the enameled cable two ends in the described ball valve are received respectively on two electrodes of electro-fusion welding machine and weld.
The beneficial effects of the utility model are: compared to existing technology, the port outside diameter of the reducer union of ball valve described in the utility model can reach 10 " more than the English system; and have unlatching and advantage easy to use, satisfy the use of major diameter gas pipeline fully, be convenient to marketing.
Description of drawings
Fig. 1 a is vertical partial sectional view of the utility model embodiment 1 described 10 o'clock PE ball valves;
Fig. 1 b is the left view of Fig. 1 a;
Fig. 2 a is the utility model embodiment 2 described 12 o'clock vertical partial sectional views of PE ball valve;
Fig. 2 b is the left view of Fig. 2 a;
Fig. 3 a is the reducer union longitudinal sectional view of 10 o'clock PE ball valves described in Fig. 1 a;
Fig. 3 b is the partial enlarged drawing of I among Fig. 3 a;
Fig. 4 a is the fixed support longitudinal sectional view of 10 o'clock PE ball valves described in Fig. 1 a;
Fig. 4 b is the partial enlarged drawing of II among Fig. 4 a;
Fig. 5 a is the seal ring longitudinal sectional view of 10 o'clock PE ball valves described in Fig. 1 a;
Fig. 5 b is the partial enlarged drawing of III among Fig. 5 a;
Fig. 6 a is pack into a longitudinal sectional view after the reducer union of the seal ring of 10 o'clock PE ball valves described in Fig. 1 a and fixed support;
Fig. 6 b is the partial enlarged drawing of IIII among Fig. 6 a.
Among the figure: 1 valve body, 2 reducer unions, 3 reverse pivot pin, 4 fixed supports, 5 seal rings, 6 spools, 7 fixing pins, 8 linings, 9 collets, 10O shape seal ring, 11 spanner caps, 12 open or close ball-cock device.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
As Fig. 1 a, 1b, the utility model embodiment 1 described gas ductwork is with 10 o'clock PE ball valves, comprises valve body 1, reducer union 2, reverses pivot pin 3, solid support 4, seal ring 5, spool 6, fixing pin 7, lining 8, collet 9, O RunddichtringO 10, spanner cap 11 and open or close ball-cock device 12.Spool 6 and reducer union 2 diameter of bores reach Φ 230mm.Reducer union 2 endoporus of 10 o'clock PE ball valves adopt the all-pass gauge structure (referring to Fig. 1 a).
Concrete, reducer union 2 inwalls have two groove a and b, fixed support 4 and seal ring 5 are respectively having a buckle a ' and b ' (referring to Fig. 3 a, 3b with the groove fit place, Fig. 4 a, 4b and Fig. 5 a, 5b), fixing frame prop up 4 and seal ring 5 pack into behind reducer union 2 inboard wall groove a and the b, two buckle a ' and b ' are stuck in reducer union 2 inboard wall groove a and b place, stop fixed support 4 and seal ring 5 to move axially (referring to Fig. 6 a, 6b); Radially, seal ring 5 outer walls cooperate in the c district with reducer union 2 inwalls, part fixed support 4 outer walls cooperate in the d zone with reducer union 2 inwalls, another part fixed support 4 outer walls cooperate at regional e with seal ring 5 inwalls, it is middle with fixed support 4 that seal ring 5 is assemblied in reducer union 2, and reducer union 2 stops seal rings 5 to move radially (referring to Fig. 6 a, 6b) with fixed support 4.In addition, fixed support 4 outer walls that cooperate with seal ring 5 inwalls are inclined-plane h (referring to Fig. 4 a, 4b and Fig. 6 a, 6b), and wedging effect stops seal ring 5 axially to break away from reducer union 2.
Valve body 1 and reducer union 2 through twice electric smelting one that is welded.Before the welding, reducer union 2 is at one section enameled cable of outer wall area f cloth (referring to Fig. 6 a, 6b), and seal ring 5 and fixed support 4 are contained in reducer union 2 inwalls; Reversing pivot pin 3, O RunddichtringO 10, fixing pin 7, lining 8 and spool 6 is contained in the valve body 1 (referring to Fig. 1 a, 1b and Fig. 2 a, 2b).During welding, the enameled cable two ends are received respectively on two electrodes of electro-fusion welding machine.
In order to make sealing area big, good sealing effect, seal ring 5 is having an inclined angle alpha with spool 6 cooperation places.From axial plane, tilt angle alpha is between 60 °-90 ° (referring to Fig. 5 a, 5b).Spool 6 adopts the stationary structure of two-way location, specifically is spool 6 upper ends and reverse that pivot pin 3 cooperates, spool 6 lower ends cooperate with fixing pin 7.Spanner cap 11 is on the top of valve body 1, its inner slotted hole with reverse pivot pin 3 and cooperate, by spanner cap 11, open or close ball valve by opening or close ball-cock device 12.
Shown in Fig. 2 a, 2b, the utility model embodiment 1 described gas ductwork is with 12 o'clock PE ball valves, and itself and embodiment's 1 difference is: the reducer union 2 ' endoporus of 12 o'clock ball PE valves adopts undergauge, and (referring to Fig. 2 a), other are same structure, and this example repeats no more.
In sum, the port outside diameter of the reducer union of ball valve described in the utility model can reach 10 " more than the English system, and have unlatching and advantage easy to use, and satisfy the use of major diameter gas pipeline fully, be convenient to marketing.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (9)
1. PE ball valve that gas ductwork is used, comprise valve body and spool, it is characterized in that: described valve body lower portion is arranged with two reducer unions of fixedlying connected with it, and described spool is located in the reducer union, described spool is provided with the pivot pin that reverses that matches with it, reverses the spanner cap that pivot pin is connecting; Wherein, the diameter of bore of reducer union and described spool is more than the Φ 230mm, and the reducer union endoporus adopts all-pass footpath or undergauge, described valve body and reverse between the pivot pin, be respectively equipped with seal ring between described spool and the reducer union.
2. the PE ball valve that gas ductwork according to claim 1 is used is characterized in that: the seal ring between described spool and the described reducer union is to support by the fixed support that is set in the described reducer union, and described seal ring and fixed support match; Described reducer union inwall radially is provided with two grooves, and fixed support and described seal ring are respectively having a buckle with two groove fit places respectively, are used to stop fixed support and described seal ring to move axially; Radially, described seal ring outer wall cooperates with described reducer union inwall, part fixed support outer wall cooperates with described reducer union inwall, and another part fixed support outer wall cooperates with described seal ring inwall, and described reducer union and fixed support can stop seal ring to move radially.
3. the PE ball valve that gas ductwork according to claim 1 is used, it is characterized in that: the seal ring between described spool and the described reducer union, the face that its inwall cooperates with described fixed support outer wall is the inclined-plane, and seal ring axially broke away from described reducer union under wedging effect stoped.
4. the PE ball valve that gas ductwork according to claim 1 is used is characterized in that: the seal ring between described spool and the described reducer union, it is having the angle of inclination of a relative horizontal plane with described spool cooperation place.
5. the PE ball valve that gas ductwork according to claim 4 is used is characterized in that: described angle of inclination is between 60 °-90 °.
6. the PE ball valve that gas ductwork according to claim 1 is used is characterized in that: described spool bottom is provided with collet, and collet and spool are by inserting the bearing pin location in it.
7. the PE ball valve that gas ductwork according to claim 6 is used is characterized in that: the outer cover of inserting the bearing pin in the described collet is connected to lining.
8. the PE ball valve that gas ductwork according to claim 1 is used is characterized in that: described spanner cap is provided with opens or closes ball-cock device.
9. the PE ball valve of using according to the described gas ductwork of the arbitrary claim of claim 1-8, it is characterized in that: described valve body and described reducer union are integrally welded through twice electric smelting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201577307U CN201428830Y (en) | 2009-06-01 | 2009-06-01 | PE ball valve for gas network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201577307U CN201428830Y (en) | 2009-06-01 | 2009-06-01 | PE ball valve for gas network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201428830Y true CN201428830Y (en) | 2010-03-24 |
Family
ID=42032568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201577307U Expired - Lifetime CN201428830Y (en) | 2009-06-01 | 2009-06-01 | PE ball valve for gas network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201428830Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818095A (en) * | 2012-08-28 | 2012-12-12 | 苏州市燃气设备阀门制造有限公司 | Valve used for gas PE (Poly Ethylene) pipe |
| CN105179851A (en) * | 2015-07-16 | 2015-12-23 | 成都格瑞思文化传播有限公司 | Municipal pipeline connecting device |
-
2009
- 2009-06-01 CN CN2009201577307U patent/CN201428830Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818095A (en) * | 2012-08-28 | 2012-12-12 | 苏州市燃气设备阀门制造有限公司 | Valve used for gas PE (Poly Ethylene) pipe |
| CN105179851A (en) * | 2015-07-16 | 2015-12-23 | 成都格瑞思文化传播有限公司 | Municipal pipeline connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100324 |
|
| CX01 | Expiry of patent term |