CN107763239A - A kind of new full welded check valve - Google Patents
A kind of new full welded check valve Download PDFInfo
- Publication number
- CN107763239A CN107763239A CN201710893548.7A CN201710893548A CN107763239A CN 107763239 A CN107763239 A CN 107763239A CN 201710893548 A CN201710893548 A CN 201710893548A CN 107763239 A CN107763239 A CN 107763239A
- Authority
- CN
- China
- Prior art keywords
- axis
- crown portion
- ball
- check valve
- extension tube
- 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.)
- Pending
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
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- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/184—Combined check valves and actuated valves
- F16K15/1848—Check valves combined with valves having a rotating tap or cock
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- 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
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- 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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The present invention relates to technical field of valve manufacturing,Specifically,It is a kind of new full welded check valve,Including valve body and extension tube,The both sides of valve body set extension tube,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 closure,Ball top, which upwardly extends, to be provided with a cylindrical axis and exceeds body portion,The top of axis is bonnet portion,Bonnet includes crown portion and cap bar part,Crown portion is made with cap bar part of integral molding techniques,Crown portion section is regular hexagon,There is a cylinder shape groove to extend downwardly among crown portion and be internally formed an inner chamber in cap bar part,Crown portion top is threaded with cover type nut,Cover type nut is used with axis and is threadedly coupled,Cover type nut is provided with the handle to stretch out with the joint portion at the top of axis,The link position of handle and axis is provided with alignment pin.
Description
Technical field
The present invention relates to technical field of valve manufacturing, is a kind of new full welded check valve specifically.
Background technology
Valve is for being opened and closed pipeline, control flow direction, regulation and the parameter of control 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
Part, there is cut-off, regulation, water conservancy diversion, prevent the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.
Valve can be used for controlling 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 because valve seat is made up 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, there is good sealing property and decay 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.
The content of the invention
The purpose of the present invention is exactly by transforming valve bonnet, making it more firm, better tightness, use the longevity
Order longer.
In order to achieve the above object, the present invention is as follows using technical scheme:
A kind of new full welded check valve, including valve body and extension tube, the both sides of valve body are each provided with an extension tube, in valve body
Portion is provided with a ball, and the outer surface of ball is provided with label, and one end of extension tube is stretched to inside it from the both sides of valve body respectively
It is connected with sphere, the other end of extension tube is provided with closure, and ball top, which upwardly extends, to be provided with a cylindrical axis and exceed
Body portion, the top of axis is bonnet portion, and bonnet includes crown portion and cap bar part, and crown portion is adopted with cap bar part
It is made of integral molding techniques, crown portion section is regular hexagon, has a cylinder shape groove among crown portion to downward
Stretch and be internally formed an inner chamber in cap bar part, crown portion top is threaded with cover type nut, and cover type nut is adopted with axis
With threaded connection, cover type nut is provided with the connection position of the handle to stretch out, handle and axis with the joint portion at the top of axis
Install be equipped with alignment pin play further positioning fixation.
Further improvement of the present invention, is provided with a circle rectangular preiection on the outside of cap bar part, the upper end of crown portion with
Lower end uses fillet design, and the angle [alpha] of fillet is 15 °, the height h1 of the upper end of crown portion to its lower end and whole bonnet
Height h2 ratio is 1:3, the height h4 and the height h3 of raised lower end to cap bar bottom of raised upper end to cap bar part bottom
Ratio be 3:1, the external diameter h5 of crown portion regular hexagonal section and the height h2 of whole bonnet ratio are 2:1.
Further improvement of the present invention, the outer peripheral face of axis are provided with a circle bottom bracket axle, the connecting portion setting of axis and ball
There is axis plain cushion.
Further improvement of the present invention, plain cushion, butterfly spring, ball pad seat, O-ring are disposed between extension tube and ball
And ball pad.
Further improvement of the present invention, during the connecting portion between the top of axis and bottom bracket axle is disposed with from top to bottom
Shaft retaining ring, axis O-ring and axle sleeve.
Further improvement of the present invention, is provided with a floor clip between axis and cover type nut, thrust washer is set
On the top of handle.
Further improvement of the present invention, the tail end outer cover of handle are set as grip rubber equipped with a rubber sleeve.
Further improvement of the present invention, valve body use phosphorus content to be made up of 0.2% No. 20 Steel materials, and axis uses
20Cr13 materials are made.
Beneficial effects of the present invention:Compared with existing check-valves, the present invention makes it by transforming valve bonnet
More firmly, better tightness, service life are longer.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of bonnet in the present invention.
Fig. 3 is crown portion cross-sectional structure schematic diagram.
Fig. 4 is the enlarged diagram of part A in Fig. 1.
Fig. 5 is the enlarged diagram of part B in Fig. 1.
In figure, 1- closures, 2- extension tubes, 3- valve bodies, 4- plain cushions, 5- butterfly springs, 6- ball pad seats, 7-O type circles, 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, 22- bonnets, 221- crowns portion
Point, 222- cap bar parts, 223- is raised, 224- inner chambers, 225- grooves.
Embodiment
In order to deepen the understanding of the present invention, the present invention is done below in conjunction with drawings and examples and further retouched in detail
State, the embodiment is only used for explaining the present invention, and protection scope of the present invention is not formed and limited.
Embodiment:As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of new full welded check valve, including valve body 3 and prolong
Long tube 2, the both sides of valve body 3 are each provided with an extension tube 2, and valve body 3 is internally provided with a ball 9, and the outer surface of ball 9 is provided with
Label 21, one end of extension tube 2 stretch to its inside from the both sides of valve body 3 respectively and are connected with the face of ball 9, the other end of extension tube 2
It is provided with closure 1, the top of ball 9, which upwardly extends, to be provided with a cylindrical axis 12 and exceed the part of valve body 3, the top of axis 12
For bonnet 22, bonnet 22 includes crown portion 221 and cap bar part 222, and crown portion 221 is with cap bar part 222 using one
Forming technique is made, and the section of crown portion 221 is regular hexagon, has a cylinder shape groove 225 downward among crown portion 221
Extending in cap bar part 222 and be internally formed an inner chamber 224, the outside of cap bar part 222 is provided with a circle rectangular preiection 223,
The top and bottom of crown portion 221 use fillet design, and the angle [alpha] of fillet is 15 °, and the upper end of crown portion 221 is under it
The height h1 at end and the height h2 of whole bonnet ratio are 1:3, the height h4 of raised 223 upper ends to the bottom of cap bar part 222
Ratio with raised 223 lower ends to the height h3 of cap bar bottom is 3:1, the external diameter h5 of the regular hexagonal section of crown portion 221 with
The height h2 of whole bonnet 22 ratio is 2:1, the top of crown portion 221 is threaded with cover type nut 19, cover type nut 19
With axis 12 using being threadedly coupled, cover type nut 19 and the joint portion at the top of axis 12 are provided with the handle 17 to stretch out, hand
The link position of handle 17 and axis 12 is provided with alignment pin 16 and plays further positioning fixation, and the outer peripheral face of axis 12 is set
There is a circle bottom bracket axle 11, the connecting portion of axis 12 and ball 9 is provided with axis plain cushion 10, is disposed between extension tube 2 and ball 9
Plain cushion 4, butterfly spring 5, ball pad seat 6, O-ring 7 and ball pad 8, the connecting portion between the top of axis 12 and bottom bracket axle 11 is under
To middle shaft retaining ring 13, axis O-ring 14 and axle sleeve 15 is above disposed with, one is provided between axis 12 and cover type nut 19
Floor clip 18, thrust washer 18 are arranged on the top of handle 17, and the tail end outer cover of handle 17 is set equipped with a rubber sleeve
For grip rubber 20.
In the present embodiment, valve body 3 uses phosphorus content to be made up of 0.2% No. 20 Steel materials, and axis 12 uses 20Cr13 materials
Material is made.
General principle, the main features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (8)
1. a kind of new full welded check valve, it is characterised in that including valve body and extension tube, the both sides of the valve body are each provided with
One extension tube, the valve inner are provided with a ball, and the outer surface of the ball is provided with label, one end of the extension tube
Stretch to its inside from the both sides of the valve body respectively with the sphere to be connected, the other end of the extension tube is provided with sealing
Lid, the ball top, which upwardly extends, to be provided with a cylindrical axis and exceeds the body portion, and the top of the axis is valve
Cap portion, the bonnet include crown portion and cap bar part, and the crown portion is used with the cap bar part and is integrally formed
Technology is made, and the crown portion section is regular hexagon, has a cylinder shape groove to extend downwardly among the crown portion
An inner chamber is internally formed in the cap bar part, the crown portion top is threaded with cover type nut, the cap-type spiral shell
Female used with the axis is threadedly coupled, and the cover type nut is provided with the hand to stretch out with the joint portion at the top of the axis
The link position of handle, the handle and the axis is provided with alignment pin and plays further positioning fixation.
2. new full welded check valve according to claim 1, it is characterised in that be provided with the outside of the cap bar part
One circle rectangular preiection, the top and bottom of the crown portion use fillet design, and the angle [alpha] of the fillet is 15 °, described
The upper end of crown portion to its lower end height h1 and whole bonnet height h2 ratio be 1:3, the raised upper end to institute
State cap bar part bottom height h4 and the raised lower end to the height h3 of the cap bar bottom ratio be 3:1, the cap
The external diameter h5 of top regular hexagonal section and the height h2 of whole bonnet ratio are 2:1.
3. new full welded check valve according to claim 2, it is characterised in that the outer peripheral face of the axis is provided with one
Bottom bracket axle is enclosed, the connecting portion of the axis and the ball is provided with axis plain cushion.
4. new full welded check valve according to claim 3, it is characterised in that between the extension tube and the ball according to
It is secondary to be provided with plain cushion, butterfly spring, ball pad seat, O-ring and ball pad.
5. new full welded check valve according to claim 4, it is characterised in that the top of the axis and the axis
Connecting portion between set is disposed with middle shaft retaining ring, axis O-ring and axle sleeve from top to bottom.
6. new full welded check valve according to claim 5, it is characterised in that the axis and the cover type nut it
Between be provided with a floor clip, the thrust washer is arranged on the top of the handle.
7. the new full welded check valve according to claim any one of 1-6, it is characterised in that outside the tail end of the handle
Portion is set with a rubber sleeve and is set as grip rubber.
8. new full welded check valve according to claim 7, it is characterised in that valve body use phosphorus content for 0.2% 20
Number Steel material is made, and the axis uses 20Cr13Material is made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710893548.7A CN107763239A (en) | 2017-09-28 | 2017-09-28 | A kind of new full welded check valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710893548.7A CN107763239A (en) | 2017-09-28 | 2017-09-28 | A kind of new full welded check valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107763239A true CN107763239A (en) | 2018-03-06 |
Family
ID=61267661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710893548.7A Pending CN107763239A (en) | 2017-09-28 | 2017-09-28 | A kind of new full welded check valve |
Country Status (1)
Country | Link |
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CN (1) | CN107763239A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110715072A (en) * | 2018-07-11 | 2020-01-21 | 江苏威尔迪威阀业有限公司 | Ultra-large-diameter all-welded ball valve for long-distance pipeline |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5193583A (en) * | 1991-08-30 | 1993-03-16 | Fisher Controls International, Inc. | Rotary noise attenuator |
JPH0921469A (en) * | 1995-03-24 | 1997-01-21 | Fratelli Pettinaroli Spa | Strainer and ball valve with integral type strainer washing device |
CN201322107Y (en) * | 2008-12-12 | 2009-10-07 | 王火生 | All-welded ball valve |
CN203656244U (en) * | 2013-12-26 | 2014-06-18 | 江苏威尔迪威阀业有限公司 | Flow-balancing welding ball valve |
CN205423915U (en) * | 2016-01-19 | 2016-08-03 | 盐城卡斯特管夹制造有限公司 | Screw thread welded ball valve |
-
2017
- 2017-09-28 CN CN201710893548.7A patent/CN107763239A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5193583A (en) * | 1991-08-30 | 1993-03-16 | Fisher Controls International, Inc. | Rotary noise attenuator |
JPH0921469A (en) * | 1995-03-24 | 1997-01-21 | Fratelli Pettinaroli Spa | Strainer and ball valve with integral type strainer washing device |
CN201322107Y (en) * | 2008-12-12 | 2009-10-07 | 王火生 | All-welded ball valve |
CN203656244U (en) * | 2013-12-26 | 2014-06-18 | 江苏威尔迪威阀业有限公司 | Flow-balancing welding ball valve |
CN205423915U (en) * | 2016-01-19 | 2016-08-03 | 盐城卡斯特管夹制造有限公司 | Screw thread welded ball valve |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110715072A (en) * | 2018-07-11 | 2020-01-21 | 江苏威尔迪威阀业有限公司 | Ultra-large-diameter all-welded ball valve for long-distance pipeline |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180306 |
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RJ01 | Rejection of invention patent application after publication |