CN108708986A - A kind of PE fuel gas ball valves with steel skeleton - Google Patents
A kind of PE fuel gas ball valves with steel skeleton Download PDFInfo
- Publication number
- CN108708986A CN108708986A CN201810529897.5A CN201810529897A CN108708986A CN 108708986 A CN108708986 A CN 108708986A CN 201810529897 A CN201810529897 A CN 201810529897A CN 108708986 A CN108708986 A CN 108708986A
- Authority
- CN
- China
- Prior art keywords
- steel skeleton
- valve body
- fuel gas
- valve
- gas ball
- 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.)
- Withdrawn
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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
-
- 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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Taps Or Cocks (AREA)
Abstract
The present invention relates to the technical field of ball valve, more particularly, to a kind of PE fuel gas ball valves with steel skeleton, including valve body, two end pipes set on valve body both ends, the core in valve cavity, valve rod and set on the seat that is screwed on of body top；One end of the valve rod is connected with core, and the other end stretches out valve body and is connected with the seat that is screwed on；The valve body is set as being embedded with the PE valve bodies of valve body steel skeleton；The end pipe is set as being embedded with the PE end pipes of end pipe steel skeleton.On the one hand embedded valve body steel skeleton and end pipe steel skeleton make fuel gas ball valve have certain rigidity, improve the high-voltage resistance capability of ball valve；On the other hand the PE valve bodies of package steel skeleton and PE end pipes ensure that the corrosion resistance of fuel gas ball valve, improve the service life of fuel gas ball valve.
Description
Technical field
The present invention relates to the technical fields of ball valve, more particularly, to a kind of PE fuel gas ball valves with steel skeleton.
Background technology
Fuel gas ball valve installs essential switching device as gas pipeline, realizes and controls the flow switch of combustion gas.
Fuel gas ball valve used at present mainly has metal and PE（Polyethylene）Two kinds, traditional metallic gas ball valve has excellent mechanics
Performance can ensure compressive property requirement, but metal chemical property in exhaust gas corrosion environment is poor, is easily corroded, together
When with plastic tube network to connect difficulty big；Traditional PE（Polyethylene）Although fuel gas ball valve has excellent chemical property, but just
Degree is smaller, and PE is improved using the wall thickness for increasing fuel gas ball valve in production（Polyethylene）The compression strength of fuel gas ball valve improves wall
Thickness increases fuel gas ball valve volume, is unfavorable for carrying and install.Have patent propose using steel plastic compount three-layer type fuel gas ball valve, one
Determine the needs for meeting performance in degree, but the structure being layered can not be combined favorably between steel is moulded, and seriously will appear combustion
Balloon valve internal layer or outer layer plastic fall off, and can not ensure the security needs of actual use.
This patent proposes a kind of PE fuel gas ball valves with steel skeleton, can be in PE（Polyethylene）Fuel gas ball valve embeds steel skeleton,
The PE materials of package steel skeleton have Corrosion Protection requirement, and embedded steel skeleton improves the anti-pressure ability of fuel gas ball valve, relatively
In traditional PE（Polyethylene）Fuel gas ball valve product is more frivolous, is readily produced and installs, and reduces production cost；Wrap up steel skeleton simultaneously
PE entities be integrally formed, it is good with steel skeleton binding force, improve fuel gas ball valve safety in utilization.
Invention content
The present invention is at least one defect overcome described in the above-mentioned prior art, provides a kind of PE combustion gas balls with steel skeleton
Valve so that fuel gas ball valve meets the requirement of anticorrosion chemical property while having compressive mechanical property requirement, relative to traditional PE
（Polyethylene）Fuel gas ball valve product is more frivolous, is readily produced and installs.
In order to solve the above technical problems, technical scheme is as follows：
A kind of PE fuel gas ball valves with steel skeleton, including valve body, set on two end pipes at valve body both ends, in valve cavity
Core, valve rod and the seat that is screwed on set on body top；One end of the valve rod is connected with core, and the other end stretches out valve body and is screwed on
Seat is connected；The valve body is set as being embedded with the PE valve bodies of valve body steel skeleton；The end pipe is set as being embedded with end pipe steel
The PE end pipes of skeleton.Embedded valve body steel skeleton and end pipe steel skeleton improves the compression strength of fuel gas ball valve；Wrap up steel skeleton
PE valve bodies and PE end pipes improve the anticorrosive property requirement of fuel gas ball valve.
The both ends of the valve body steel skeleton and end pipe steel skeleton are respectively arranged with corrugated groove segment.
The groove segment includes several grooves with half way up the mountain hole.
The material of the valve body steel skeleton and end pipe steel skeleton is mild steel.
The PE valve bodies for wrapping up the valve body steel skeleton are integrated moulding by casting；The PE end pipes for wrapping up the end pipe steel skeleton are
Integrated moulding by casting.
Connection is realized in one end of the end pipe with valve body by welding, and the other end of end pipe is open end.
Valve body and the welding surface of end pipe are set as the conical surface；The welding surface is provided at both ends with overflow launder.Conical surface welding makes
Shortest fore-and-aft distance has longest welding surface, and fastening is fine and close, safety higher.
The PE fuel gas ball valves include the core sealing ring in sealing contact with core and for fixing core sealing ring
Fixed ring；The end pipe is equipped with the first fixed card slot for installing core sealing ring and the second fixation for installing fixed ring
The outer wall of card slot, the fixed ring is contacted with the internal face of core sealing ring.
The valve rod is provided with several installation grooves, and the installation groove is placed between sealed valve body and valve rod
The O-ring in gap.
The open end of the end pipe is equipped with end cap, and the end cap is connect with end pipe socket joint.
Compared with prior art, advantageous effect is：
（1）The valve body of fuel gas ball valve provided by the invention is the PE valve bodies for being embedded with valve body steel skeleton, and end pipe is to be embedded with end pipe
The PE end pipes of steel skeleton；Compared to traditional PE fuel gas ball valves, embedded valve body steel skeleton and end pipe steel skeleton improve combustion gas
The compression strength of ball valve；Compared to traditional metallic gas ball valve, the PE valve bodies and PE end pipes that wrap up steel skeleton improve combustion gas
The etch-proof chemical property requirement of ball valve, is not influenced by external environment and internal combustion gas；
（2）Under same pressure use condition, PE layer wall thickness of the fuel gas ball valve provided by the invention than traditional PE fuel gas ball valves
It is thinner lighter, reduce the shot of shell PE materials；On same antiseptic property, fuel gas ball valve of the invention is reduced at anti-corrosion
The link of reason, reduces cost；
（3）The both ends of valve body steel skeleton and end pipe steel skeleton are respectively equipped with corrugated groove segment, while groove segment is by several bands
There is the groove in half way up the mountain hole to be formed by connecting；The PE valve bodies of valve body steel skeleton both sides pass through the half way up the mountain hole of groove one in injection moulding process
Connection, the PE end pipes of end pipe steel skeleton both sides, by the half way up the mountain hole integrally connected of groove, improve package reinforcing bar in injection moulding process
The binding force of the both sides PE entities of frame；The design of corrugated groove segment configuration, improve PE valve bodies, PE end pipes and its steel skeleton knot
With joint efforts；
（4）It is achieved a fixed connection by shell screw thread compared to traditional metallic gas ball valve, the PE valves of fuel gas ball valve of the invention
Body uses conical surface heat-melting butt-joint, conical surface welding that shortest fore-and-aft distance is made to have longest welding surface with PE end pipes, and fastening is fine and close, peace
Full property higher.
Description of the drawings
Fig. 1 is overall structure of the present invention.
Fig. 2 is the groove segment schematic diagram of end pipe steel skeleton of the present invention one end.
Specific implementation mode
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；It is attached in order to more preferably illustrate the present embodiment
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figure 1, 2, a kind of PE fuel gas ball valves with steel skeleton in the present embodiment, including valve body 7, be set to 7 liang of valve body
Two end pipes 10, the core 2 in 7 cavity of valve body, valve rod 6 and the seat 5 that is screwed on set on 7 top of valve body at end；The valve rod 6
One end be connected with core 2, the other end stretch out valve body 7 be connected with the seat 5 that is screwed on；Be screwed on seat 5 by valve rod 6 with moving valve 7
Core 2 in cavity rotates, to realize switch and the flow control of fuel gas ball valve；
The valve body 7 is set as being embedded with the PE valve bodies of valve body steel skeleton 3；The end pipe 10 is set as being embedded with end pipe steel
The PE end pipes of skeleton 1, the fully wrapped around valve body steel skeleton 3 of the PE valve bodies, the fully wrapped around end pipe steel skeleton of the PE end pipes
1.Embedded valve body steel skeleton 3 and end pipe steel skeleton 1 improves the compression strength of fuel gas ball valve, wrap up steel skeleton PE valve bodies and
PE end pipes improve the anticorrosive property requirement of fuel gas ball valve, and the resistance to compression and corrosion resistance met in fuel gas ball valve use is wanted
It asks, improves the service life of fuel gas ball valve；Simultaneously under same pressure use condition, have more than traditional PE fuel gas ball valves
Thin PE layer wall thickness reduces the shot of shell PE materials, reduces cost.
The PE valve bodies for wrapping up the valve body steel skeleton 3 simultaneously are integrated moulding by casting；Wrap up the PE of the end pipe steel skeleton 1
End pipe is integrated moulding by casting.Around steel skeleton one moulding by casting, manufacturing process is simple, suitable for mass production.
The both ends of the valve body steel skeleton 3 and the both ends of end pipe steel skeleton 1 are respectively arranged with corrugated groove segment, groove
Section includes several grooves 12 with half way up the mountain hole.It is illustrated in figure 2 the groove segment schematic diagram of end pipe steel skeleton one end, half way up the mountain hole
Design is so that the PE valve bodies of valve body steel skeleton both sides pass through the half way up the mountain hole integrally connected of groove, end pipe steel skeleton in injection moulding process
The PE end pipes of 1 both sides, by the half way up the mountain hole integrally connected of groove, improve the both sides PE entities of package steel skeleton in injection moulding process
Binding force.Corrugated groove segment design simultaneously improve PE valve bodies, PE end pipes and its steel skeleton binding force.
The material of the valve body steel skeleton 3 and end pipe steel skeleton 1 is mild steel.The steel skeleton of low-carbon steel material is conducive to cold
The steel skeleton of the groove with half way up the mountain hole described in punch forming, the present embodiment is No. 20 steel, wall thickness 4-5mm so that this hair
Bright fuel gas ball valve can reach mesohigh use scope.
Connection is realized in the one end for stating end pipe 10 with valve body 7 by welding, and the other end of end pipe 10 is open end.Valve body 7 with
The welding surface 13 of end pipe 10 is set as the conical surface；The welding surface 13 is provided at both ends with overflow launder 14.The present embodiment uses hot melt
Welding, welding conical surface design make shortest fore-and-aft distance have longest welding surface so that weld seam fastening is fine and close, and valve body connects with end pipe
Connect the security performance higher at place；It is provided at both ends with overflow launder 14 in the welding conical surface 13 simultaneously, is above pushed away for accommodating welding surface 13
The hot melt adhesive walked ensures the even uniform degree requirement of the welding conical surface.
The PE fuel gas ball valves include the core sealing ring 8 in sealing contact with core 2 and for fixing core sealing ring 8
Fixed ring 9；The end pipe 10 is equipped with the first fixed card slot for installing core sealing ring 8 and for installing fixed ring 9
Second fixed card slot.As shown in Figure 1, one end fixing card of core sealing ring 8 is together in the first fixed card slot, the other end and core 2
It is in sealing contact, the fixed ring 9 for being installed on the second fixed card slot, the outer wall of the fixed ring 9 are equipped in the inner wall of core sealing ring 8
It is contacted with the inner wall annular surface of core sealing ring 8, avoids core sealing ring 8 at work and the generation relative shift of end pipe 10.
The valve rod 6 is provided with several installation grooves, and the installation groove is placed with for sealed valve body 7 and valve rod 6
Between gap O-ring 4.It is arranged there are three the installation groove for being equipped with O-ring 4 along the axial direction of valve rod 6 in the present embodiment,
Ensure that valve body 7 and valve rod 6 are in sealing contact.
The open end of the end pipe 10 is equipped with end cap 11, and the end cap 11 is connect with 10 socket joint of end pipe.In end pipe 10
Open end is provided with the end cap for covering end pipe 10, and the end cap is detachably connected with end pipe socket joint, for covering combustion gas
Cavity inside ball valve ensures product using not polluted by external environment inside preceding fuel gas ball valve；It is installed and used in product
When, the end cap 11 at both ends is removed, by the end pipe 10 at both ends with plastic tube network by being welded to connect, you can complete the peace of fuel gas ball valve
Dress.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (10)
1. a kind of PE fuel gas ball valves with steel skeleton, which is characterized in that including valve body（7）, be set to valve body（7）Both ends connect with valve body
Two end pipes connect（10）, be set to valve body（7）Core in cavity（2）, valve rod（6）And it is set to valve body（7）The seat that is screwed at top
（5）；The valve rod（6）One end and core（2）It is connected, the other end stretches out valve body（7）With the seat that is screwed on（5）It is connected；
The valve body（7）It is set as being embedded with valve body steel skeleton（3）PE valve bodies；The end pipe（10）It is set as being embedded with
End pipe steel skeleton（1）PE end pipes.
2. a kind of PE fuel gas ball valves with steel skeleton according to claim 1, it is characterised in that：The valve body steel skeleton
（3）Both ends and end pipe steel skeleton（1）Both ends be respectively arranged with corrugated groove segment.
3. a kind of PE fuel gas ball valves with steel skeleton according to claim 2, it is characterised in that：The groove segment includes
Several grooves with half way up the mountain hole（12）.
4. a kind of PE fuel gas ball valves with steel skeleton according to claim 3, it is characterised in that：The valve body steel skeleton
（3）And end pipe steel skeleton（1）Material be mild steel.
5. a kind of PE fuel gas ball valves with steel skeleton according to claim 4, it is characterised in that：Wrap up the valve body reinforcing bar
Frame（3）PE valve bodies be integrated moulding by casting；Wrap up the end pipe steel skeleton（1）PE end pipes be integrated moulding by casting.
6. a kind of PE fuel gas ball valves with steel skeleton according to claim 1, it is characterised in that：The end pipe（10）One
End and valve body（7）Connection, end pipe are realized by welding（10）The other end be open end.
7. a kind of PE fuel gas ball valves with steel skeleton according to claim 6, it is characterised in that：End pipe（10）With valve body
（7）Welding surface（13）It is set as the conical surface；The welding surface（13）Be provided at both ends with overflow launder（14）.
8. a kind of PE fuel gas ball valves with steel skeleton according to claim 1, it is characterised in that：The PE fuel gas ball valves
Including with core（2）Core sealing ring in sealing contact（8）And for fixing core sealing ring（8）Fixed ring（9）；The end
Pipe（10）Equipped with for installing core sealing ring（8）The first fixed card slot and for installing fixed ring（9）The second fixing card
Slot, the fixed ring（9）Outer wall and core sealing ring（8）Internal face contact.
9. a kind of PE fuel gas ball valves with steel skeleton according to claim 8, it is characterised in that：The valve rod（6）If
Several installation grooves are equipped with, the installation groove is placed with for sealed valve body（7）With valve rod（6）Between gap O-ring
（4）.
10. a kind of PE fuel gas ball valves with steel skeleton according to claim 6, it is characterised in that：The end pipe（10）'s
Open end is equipped with end cap（11）, the end cap（11）With end pipe（10）Socket joint connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529897.5A CN108708986A (en) | 2018-05-29 | 2018-05-29 | A kind of PE fuel gas ball valves with steel skeleton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529897.5A CN108708986A (en) | 2018-05-29 | 2018-05-29 | A kind of PE fuel gas ball valves with steel skeleton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108708986A true CN108708986A (en) | 2018-10-26 |
Family
ID=63870878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810529897.5A Withdrawn CN108708986A (en) | 2018-05-29 | 2018-05-29 | A kind of PE fuel gas ball valves with steel skeleton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708986A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11148566A (en) * | 1997-09-11 | 1999-06-02 | Hitachi Valve Kk | Ball valve made of synthetic resin |
| CN2859168Y (en) * | 2005-10-20 | 2007-01-17 | 彭立如 | Poly-geometric through hole plastic pipe joint steel skeleton |
| CN102345745A (en) * | 2011-07-26 | 2012-02-08 | 广东联塑科技实业有限公司 | Method for manufacturing fuel gas ball valve with steel and plastic composite structure |
| CN204083317U (en) * | 2014-07-03 | 2015-01-07 | 联塑科技发展(贵阳)有限公司 | A kind of polyethylene ball valve with rotating seal coil assembly |
| CN105587915A (en) * | 2015-09-06 | 2016-05-18 | 丽水市国大阀门有限公司 | Valve with framework and manufacturing process for valve |
| CN205298859U (en) * | 2015-12-08 | 2016-06-08 | 崇州市岷江塑胶有限公司 | Compound pipe of steel skeleton PE plastics |
| CN208457251U (en) * | 2018-05-29 | 2019-02-01 | 广东联塑科技实业有限公司 | A kind of PE fuel gas ball valve with steel skeleton |
-
2018
- 2018-05-29 CN CN201810529897.5A patent/CN108708986A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11148566A (en) * | 1997-09-11 | 1999-06-02 | Hitachi Valve Kk | Ball valve made of synthetic resin |
| CN2859168Y (en) * | 2005-10-20 | 2007-01-17 | 彭立如 | Poly-geometric through hole plastic pipe joint steel skeleton |
| CN102345745A (en) * | 2011-07-26 | 2012-02-08 | 广东联塑科技实业有限公司 | Method for manufacturing fuel gas ball valve with steel and plastic composite structure |
| CN204083317U (en) * | 2014-07-03 | 2015-01-07 | 联塑科技发展(贵阳)有限公司 | A kind of polyethylene ball valve with rotating seal coil assembly |
| CN105587915A (en) * | 2015-09-06 | 2016-05-18 | 丽水市国大阀门有限公司 | Valve with framework and manufacturing process for valve |
| CN205298859U (en) * | 2015-12-08 | 2016-06-08 | 崇州市岷江塑胶有限公司 | Compound pipe of steel skeleton PE plastics |
| CN208457251U (en) * | 2018-05-29 | 2019-02-01 | 广东联塑科技实业有限公司 | A kind of PE fuel gas ball valve with steel skeleton |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181026 |