CN107763239A - A kind of new full welded check valve - Google Patents

A kind of new full welded check valve Download PDF

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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
Application number
CN201710893548.7A
Other languages
Chinese (zh)
Inventor
王鹏
邰长华
徐翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU WEIER DIWEI VALVE INDUSTRIAL Co Ltd
Original Assignee
JIANGSU WEIER DIWEI VALVE INDUSTRIAL Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGSU WEIER DIWEI VALVE INDUSTRIAL Co Ltd filed Critical JIANGSU WEIER DIWEI VALVE INDUSTRIAL Co Ltd
Priority to CN201710893548.7A priority Critical patent/CN107763239A/en
Publication of CN107763239A publication Critical patent/CN107763239A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug 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
    • F16K5/06Plug 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/18Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/184Combined check valves and actuated valves
    • F16K15/1848Check valves combined with valves having a rotating tap or cock
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/06Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/08Guiding 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

A kind of new full welded check valve
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.
CN201710893548.7A 2017-09-28 2017-09-28 A kind of new full welded check valve Pending CN107763239A (en)

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

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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
CN (1) CN107763239A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20180306

RJ01 Rejection of invention patent application after publication