CN207297940U - A kind of good fuel gas ball valve of leakproofness - Google Patents
A kind of good fuel gas ball valve of leakproofness Download PDFInfo
- Publication number
- CN207297940U CN207297940U CN201721253759.6U CN201721253759U CN207297940U CN 207297940 U CN207297940 U CN 207297940U CN 201721253759 U CN201721253759 U CN 201721253759U CN 207297940 U CN207297940 U CN 207297940U
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- sealing plate
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- valve
- extension tube
- ball
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Abstract
It the utility model is related to technical field of valve manufacturing,Specifically,It is a kind of good fuel gas ball valve of leakproofness,Including valve body and extension tube,The both sides of valve body are each provided with an extension tube,Sealing mechanism is provided between extension tube and valve body,The thickness of first sealing plate is more than the thickness of the second sealing plate,The thickness of first sealing plate is less than the thickness of the 3rd sealing plate,Valve inner is provided with a ball,The outer surface of ball is provided with label,One end of extension tube stretches to its inside from the both sides of valve body respectively and is connected with sphere,The other end of extension tube is provided with sealing cover,Ball top, which upwardly extends, to be provided with a cylindrical axis and exceeds body portion,Cover type nut is provided with the top of axis,Cover type nut is used with axis and is threadedly coupled,Cover type nut is provided with outwardly extending handle with the engaging portion at the top of axis,The link position of handle and axis is provided with positioning pin and plays further positioning fixation.
Description
Technical field
Technical field of valve manufacturing is the utility model is related to, is a kind of good fuel gas ball valve of leakproofness specifically.
Background technology
Valve is for being opened and closed pipeline, control flow direction, the parameter for adjusting and controlling pumped (conveying) medium（Temperature, pressure and flow）
Pipeline fittings.According to its function, shut-off valve, check-valves, regulating valve etc. can be divided into.Valve is the control in fluid delivery system
Component, has the function of cut-off, adjusting, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting or overflow pressure relief etc..
Valve can be used for control empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radioactivity
The flowing of all kinds fluid such as medium.Valve is also divided into cast iron valve, cast steel valve, stainless valve according to material（201、
304th, 316 etc.）, chrome-molybdenum steel valve, Chrominm-molybdenum-vanadium steel valve, dual phase steel valve, Plastic valve, nonstandard customized valve etc..
Ball valve is since valve seat is made of carbonization teflon seal ring and disk spring, so the change to pressure and temperature
Change adaptable, will not be produced in the range of mark pressure and temperature and any let out cunning.Typically use carbon steel seamless steel pipe
Compressing Integral welded ball valve, has good sealing performance and corrosion resistance, be widely used in natural gas, oil,
Heat supply, chemical industry and the isometric defeated pipeline field of thermoelectricity pipe network.But existing ball valve can not meet existing there is significant limitation
For the needs of chemical industry production.
Utility model content
The purpose of this utility model is just to provide a kind of novel gas ball valve, and leakproofness is good, and safety coefficient is high.
In order to achieve the above object, the utility model is as follows using technical solution：
A kind of good fuel gas ball valve of leakproofness, including valve body and extension tube, the both sides of valve body are each provided with an extension
Pipe, is provided with sealing mechanism, sealing mechanism includes three-layer sealed plate, from extension tube to valve body successively between extension tube and valve body
For the first sealing plate, the second sealing plate and the 3rd sealing plate, the thickness of the first sealing plate is more than the thickness of the second sealing plate, and first
The thickness of sealing plate is less than the thickness of the 3rd sealing plate, and valve inner is provided with a ball, and the outer surface of ball is provided with label, prolongs
One end of long tube stretches to its inside from the both sides of valve body respectively and is connected with sphere, and the other end of extension tube is provided with sealing cover,
Ball top, which upwardly extends, to be provided with a cylindrical axis and exceeds body portion, and cover type nut, cap-type are provided with the top of axis
Using being threadedly coupled, cover type nut and the engaging portion at the top of axis are provided with outwardly extending handle for nut and axis, handle and
The link position of axis is provided with positioning pin and plays further positioning fixation.
Further improvement of the utility model, the upper and lower ends of the first sealing plate are provided with plain cushion, the second sealing plate it is upper
Under be provided at both ends with butterfly spring, the upper and lower ends of the 3rd sealing plate are connected with the ball pad seat of L-type, ball are provided with ball pad seat
The contact position of pad, ball pad and extension tube is provided with packing ring.
Further improvement of the utility model, the first sealing plate, the second sealing plate and the 3rd sealing plate use polytetrafluoroethyl-ne
Alkene material is made.
Further improvement of the utility model, the connecting portion between the top of axis and bottom bracket axle are set gradually from top to bottom
There are middle shaft retaining ring, axis O-ring and axle sleeve.
Further improvement of the utility model, is provided with a floor clip, thrust washer between axis and cover type nut
It is arranged on the top of handle.
Further improvement of the utility model, the tail end outer cover of handle are set as grip rubber equipped with a rubber sleeve.
Further improvement of the utility model, valve body use phosphorus content to be made of 0.2% No. 20 Steel materials, and axis uses
20Cr13 materials are made.
The beneficial effects of the utility model：Compared with existing gas valve, the good airproof performance of the utility model, safety coefficient
Height, and service life is grown.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the schematic diagram of sealing structure in the utility model.
Fig. 3 is the enlarged diagram of part A in Fig. 1.
Fig. 4 is the enlarged diagram of part B in Fig. 1.
In figure, 1- sealing covers, 2- extension tubes, 3- valve bodies, 4- plain cushions, 5- butterfly springs, 6- ball pad seats, 7- packing rings, 8- balls
Pad, 9- balls, 10- axis plain cushions, 11- bottom bracket axles, 12- axis, shaft retaining ring in 13-, 14- axis O-rings, 15- axle sleeves, 16- is fixed
Position pin, 17- handles, 18- floor clips, 19- cover type nuts, 20- grip rubbers, 21- labels, the first sealing plates of 22-, 23- the
Two sealing plates, the 3rd sealing plates of 24-.
Embodiment
In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples
It is described in detail, which is only used for explaining the utility model, and the scope of protection of the utility model is not formed and is limited.
Embodiment：As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the good fuel gas ball valve of a kind of leakproofness, including valve body 3 and prolong
Long tube 2, the both sides of valve body 3 are each provided with an extension tube 2, sealing mechanism are provided between extension tube 2 and valve body 3, sealing
Mechanism includes three-layer sealed plate, and the first sealing plate 22, the second sealing plate 23 and the 3rd sealing are followed successively by from extension tube 2 to valve body 3
Plate 24, the thickness of the first sealing plate 22 are more than the thickness 23 of the second sealing plate, and the thickness of the first sealing plate 22 is less than the 3rd sealing
The thickness of plate 24, the upper and lower ends of the first sealing plate 22 are provided with plain cushion 4, and the upper and lower ends of the second sealing plate 23 are provided with butterfly
Spring 5, the upper and lower ends of the 3rd sealing plate 24 are connected with the ball pad seat 6 of L-type, ball pad 8 are provided with ball pad seat 6, ball pad 8 is with prolonging
The contact position of long tube 2 is provided with packing ring 7, and the first sealing plate 22, the second sealing plate 23 and the 3rd sealing plate 24 use polytetrafluoro
Vinyl material is made.
Valve body 3 is internally provided with a ball 9, and the outer surface of ball 9 is provided with label 21, and one end of extension tube 2 is respectively from valve
The both sides of body 3 stretch to its inside and are connected with 9 face of ball, and the other end of extension tube 2 is provided with sealing cover 1, and 9 top of ball upwardly extends
Be provided with a cylindrical axis 12 and exceed 3 part of valve body, the top of axis 12 is provided with cover type nut 19, cover type nut 19 and
For axis 12 using being threadedly coupled, cover type nut 19 and the engaging portion at the top of axis 12 are provided with outwardly extending handle 17, handle
17, which with the link position of axis 12 are provided with positioning pin 16, plays further positioning fixation, the outer circumferential surface of axis 12 and is provided with
One circle bottom bracket axle 11, axis 12 and the connecting portion of ball 9 are provided with axis plain cushion 10, are disposed between extension tube 2 and ball 9 flat
Pad 4, butterfly spring 5, ball pad seat 6, O-ring 7 and ball pad 8, connecting portion between the top of axis 12 and bottom bracket axle 11 from it is lower to
On be disposed with middle shaft retaining ring 13, axis O-ring 14 and axle sleeve 15, be provided between axis 12 and cover type nut 19 one only
Packing ring 18 is moved back, thrust washer 18 is arranged on the top of handle 17, and the tail end outer cover of handle 17 is set as equipped with a rubber sleeve
Grip rubber 20.
In the present embodiment, valve body 3 uses phosphorus content to be made of 0.2% No. 20 Steel materials, and axis 12 uses 20Cr13 materials
Material is made.
The basic principle, main features and advantages of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by the appending claims and its equivalent thereof.
Claims (7)
1. the good fuel gas ball valve of a kind of leakproofness, it is characterised in that including valve body and extension tube, the both sides of the valve body are respectively set
An extension tube is equipped with, sealing mechanism is provided between the extension tube and the valve body, the sealing mechanism includes three layers
Sealing plate, the first sealing plate, the second sealing plate and the 3rd sealing plate are followed successively by from extension tube to valve body, first sealing plate
Thickness is more than the thickness of second sealing plate, and the thickness of first sealing plate is less than the thickness of the 3rd sealing plate, institute
State valve inner and be provided with a ball, the outer surface of the ball is provided with label, and one end of the extension tube is respectively from the valve
The both sides of body stretch to its inside and are connected with the sphere, and the other end of the extension tube is provided with sealing cover, the ball top
Upwardly extend and be provided with a cylindrical axis and exceed the body portion, be provided with cover type nut at the top of the axis, institute
Cover type nut is stated with the axis using being threadedly coupled, the cover type nut is provided with outwards with the engaging portion at the top of the axis
The link position of the handle of extension, the handle and the axis is provided with positioning pin and plays further positioning fixation.
2. the good fuel gas ball valve of leakproofness according to claim 1, it is characterised in that above and below first sealing plate
It is provided at both ends with plain cushion, the upper and lower ends of second sealing plate are provided with butterfly spring, and up and down the two of the 3rd sealing plate
End is connected with the ball pad seat of L-type, and ball pad is provided with the ball pad seat, and the contact position of the ball pad and the extension tube is set
There is packing ring.
3. the good fuel gas ball valve of leakproofness according to claim 2, it is characterised in that first sealing plate, second
Sealing plate is made with the 3rd sealing plate of polytetrafluoroethylene material.
4. the good fuel gas ball valve of leakproofness according to claim 3, it is characterised in that the top of the axis with it is described
Connecting portion between bottom bracket axle is disposed with middle shaft retaining ring, axis O-ring and axle sleeve from top to bottom.
5. the good fuel gas ball valve of leakproofness according to claim 4, it is characterised in that the axis and the cap-type spiral shell
A thrust washer is provided between mother, the thrust washer is arranged on the top of the handle.
6. according to the good fuel gas ball valve of claim 1-5 any one of them leakproofness, it is characterised in that the tail of the handle
End outer cover is set as grip rubber equipped with a rubber sleeve.
7. the good fuel gas ball valve of leakproofness according to claim 6, it is characterised in that valve body uses phosphorus content as 0.2%
No. 20 Steel materials be made, the axis uses 20Cr13Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721253759.6U CN207297940U (en) | 2017-09-28 | 2017-09-28 | A kind of good fuel gas ball valve of leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721253759.6U CN207297940U (en) | 2017-09-28 | 2017-09-28 | A kind of good fuel gas ball valve of leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297940U true CN207297940U (en) | 2018-05-01 |
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ID=62439764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721253759.6U Active CN207297940U (en) | 2017-09-28 | 2017-09-28 | A kind of good fuel gas ball valve of leakproofness |
Country Status (1)
| Country | Link |
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| CN (1) | CN207297940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606216A (en) * | 2017-09-28 | 2018-01-19 | 江苏威尔迪威阀业有限公司 | A kind of good fuel gas ball valve of sealing |
-
2017
- 2017-09-28 CN CN201721253759.6U patent/CN207297940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606216A (en) * | 2017-09-28 | 2018-01-19 | 江苏威尔迪威阀业有限公司 | A kind of good fuel gas ball valve of sealing |
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