CN108980396A - Combustion gas PE welding ball valve - Google Patents

Combustion gas PE welding ball valve Download PDF

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Publication number
CN108980396A
CN108980396A CN201810955577.6A CN201810955577A CN108980396A CN 108980396 A CN108980396 A CN 108980396A CN 201810955577 A CN201810955577 A CN 201810955577A CN 108980396 A CN108980396 A CN 108980396A
Authority
CN
China
Prior art keywords
valve
ball
fixedly connected
rod
exhaust
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.)
Granted
Application number
CN201810955577.6A
Other languages
Chinese (zh)
Other versions
CN108980396B (en
Inventor
洪树林
洪建财
陈兵
曾贝
贾才质
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.)
Shandong Shanghai Industrial Valve Manufacturing Ltd By Share Ltd
Original Assignee
Shandong Shanghai Industrial Valve Manufacturing Ltd By Share 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 Shandong Shanghai Industrial Valve Manufacturing Ltd By Share Ltd filed Critical Shandong Shanghai Industrial Valve Manufacturing Ltd By Share Ltd
Priority to CN201810955577.6A priority Critical patent/CN108980396B/en
Publication of CN108980396A publication Critical patent/CN108980396A/en
Application granted granted Critical
Publication of CN108980396B publication Critical patent/CN108980396B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16K5/0605Plug 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 with particular plug arrangements, e.g. particular shape or built-in means
    • 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
    • F16K25/00Details relating to contact between valve members and seats
    • F16K25/005Particular materials for seats or closure elements
    • 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
    • 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
    • F16K27/10Welded housings
    • F16K27/107Welded housings for taps or cocks
    • 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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/46Mechanical actuating means for remote operation
    • 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
    • F16K5/0647Spindles or actuating means
    • 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
    • F16K5/08Details
    • F16K5/14Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/201Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
    • 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
    • F16K5/08Details
    • F16K5/22Features relating to lubrication
    • F16K5/227Features relating to lubrication for plugs with spherical surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Valve Housings (AREA)

Abstract

The invention discloses combustion gas PE welding ball valves, including transmission device, operate ball area, fixing shell device, exhaust apparatus and interface arrangement, the transmission device and the transmission connection of operation ball area, the transmission device is fixedly connected with fixing shell device, the operation ball area is arranged inside fixing shell device, the operation ball area is fixedly connected with fixing shell device, the interface arrangement is arranged on the outside of fixing shell device, the present invention can make construction personnel easily operate welding ball valve by extension valve rod, pass through bearing, oily liquids in fixing axle and sealing surface makes ball reduce operational torque, reduce coefficient of friction, make the rotary work that ball is capable of fixing, extra combustion gas can be made to be discharged from exhaust manifolds by exhaust valve, pass through valve seat, fuel feeding valve makes to weld valve body one closed environment of formation, facilitate work , the present invention greatly reduced manpower and material resources, and easy to use, convenient for operation, good seal performance increases welding ball valve service life.

Description

Combustion gas PE welding ball valve
Technical field
The present invention relates to welding ball valve fields, specifically combustion gas PE welding ball valve.
Background technique
With the rapid development of world economy, nowadays, petroleum, combustion gas resource are nervous, energy shortage, and oil and natural gas Demand it is increasing, it has to turn to very poor awful weather, topography and geomorphology, unfrequented severe winter, desert, marsh and sea The new energy place of production such as foreign continental shelf, this has caused great difficulties to transfer oil, natural gas.Pipeline conveying is natural gas The major way of transport, according to statistics, 95% or more the conveying of natural gas uses pipelined fashion in the world, and uses the big mouth of single Diameter, elevated pressures mode of movement reduce investment, maintenance cost.
Natural gas is inflammable, explosive, and pipeline delivery pressure is very high, and natural gas long transportation pipe line generally travels across geographical environment in addition Complicated, awful weather, the big region of variation of ambient temperature range, and after pipeline puts into operation, it is desirable that long-term continuous operation.Cause This, long-distance transport pipes valve requires higher security reliability, leakproofness and intensity than universal valve, to ensure long-distance transport pipes Safe and reliable operation.
And traditional combustion gas welding valve sealing performance and not good enough now, it is hidden safely that long-time service has gas leakage, explosion etc. Suffer from, while many gas pipelines are all buried under ground bottom, is frequently necessary to excavate earth's surface when maintenance, finds correspondence Welding valve, it is easy to cause that pipeline is accidentally dug to broken situation, and the process found is long, needs to search out relevant Data information finds position, very inconvenient, very expends the time and efforts of construction personnel.
Summary of the invention
The purpose of the present invention is to provide combustion gas PE welding ball valves, to solve the problems of the prior art.
To achieve the above object, the invention provides the following technical scheme:
Combustion gas PE welding ball valve, including transmission device, operation ball area, fixing shell device, exhaust apparatus and interface arrangement, The transmission device and the transmission connection of operation ball area, the transmission device are fixedly connected with fixing shell device, the operation ball Area is arranged inside fixing shell device, and the operation ball area is fixedly connected with fixing shell device, the interface arrangement setting On the outside of fixing shell device, the interface arrangement is fixedly connected with fixing shell device, and the exhaust apparatus setting is fixed outer On housing apparatus, the exhaust apparatus is fixedly connected with fixing shell device, and the exhaust apparatus setting is in interface arrangement and fixes outer Between housing apparatus, the exhaust apparatus is fixedly connected with transmission device.
As optimization, the transmission device includes handwheel, STATEMENT OF FEDERALLY SPONSORED, extension valve rod set, extension valve rod, valve rod, valve stem sleeve With tight latch fitting, the handwheel is arranged in STATEMENT OF FEDERALLY SPONSORED, and the handwheel is fixedly connected with STATEMENT OF FEDERALLY SPONSORED, the STATEMENT OF FEDERALLY SPONSORED and extension valve rod It is fixedly connected, valve rod is set to inside the extension valve rod, precision auger curve groove track is provided on the outer wall of the valve rod, It is provided with precision auger curve groove track on the inner wall of extension valve rod, gap, institute are provided between the valve rod and extension valve rod It states and is provided with guide pin in gap, the precision auger curve groove track of the guide pin and valve rod is slidably connected, the guide pin and lengthening The precision auger curve groove track of valve rod is slidably connected, and extension valve rod set, the lengthening are provided on the outside of the extension valve rod Valve stem sleeve is fixedly connected with tight latch fitting, and valve stem sleeve is provided on the outside of the valve rod, and the valve stem sleeve is fixedly connected with tight latch fitting, institute It states and is provided with gap between valve rod and valve stem sleeve, bearing is provided in the gap, the bearing is arranged on the outside of valve rod, lengthens Valve rod can enable the handwheel of welding ball valve show in the bottom surface compared with shallow-layer, it is only necessary to pacify on the road surface above welding ball valve It sets one to answer well lid that can protect welding ball valve and facilitate maintenance repair, maintenance welding ball valve, does not need to excavate bottom surface Underground goes for welding ball valve, easy to use, greatly reduced the waste of manpower and material resources, provides greatly just to maintenance and inspection Benefit, the STATEMENT OF FEDERALLY SPONSORED being connected with handwheel can make to drive STATEMENT OF FEDERALLY SPONSORED that extension valve rod also and then makes rotating motion when hand wheel rotating, valve Guide pin between precision auger curve groove track and valve rod and extension valve rod on the outer wall of bar in gap can be such that valve rod revolves When turning guide pin and precision auger curved groove track friction generate downward or upward movement, make so that hand wheel rotating When, extension valve rod can be to move up and down in rotation, and extension valve rod and valve rod are socketed, and extension valve rod can be made to rotate doing When up and down motion, valve rod also follows suit identical movement, the extension valve rod set outside extension valve rod and the valve rod outside valve rod Set can protect extension valve rod and valve rod is not corroded by the external world, while also protecting extension valve rod and valve rod can be normal under earth's surface Work is not by external interference, and when the bearing between valve rod and valve stem sleeve can make valve rod do rotation up and down motion, operation torque is small, Coefficient of friction is reduced, keeps valve rod operation more convenient.
As optimization, the operation ball area includes ball, and the ball uses stainless steel ball, and the ball is hollow sphere, described Hole, lower opening, left hole and right hole are provided on ball, the upper hole, lower opening, left hole and right hole are circle, the upper hole and lower opening Circle center line connecting pass through the centre of sphere of ball, the circle center line connecting of the left hole and right hole passes through the centre of sphere of ball, and described, the upper hole is under The circle center line connecting in hole is vertical with the circle center line connecting of left hole and right hole, and the valve rod is sequentially connected across upper Kong Yuqiu, the upper hole of ball, The positional relationship of lower opening, left hole and right hole can make ball have stability in welding ball valve, and upper hole connect with valve rod, lower opening and Fixed axis connection, the rotation that fix ball can only in valve body increase the leakproofness of welding ball valve, left hole and right hole respectively with Side pipe connects, and forms access, can enable combustion gas smoothly by managing and the other end of ball when one end of pipe and ball reaches.
As optimization, the fixing shell device includes valve body, bottom cover, fixing axle and side body, and the valve body is arranged in ball Outside, the valve body is hollow cylindrical body, is provided with gap between the valve body and ball, and the valve body passes through the upper hole of ball And lower opening, be provided with valve stem sleeve on the valve body, the valve stem sleeve pass through valve body and with valve body electric welding connection, the valve body face The position of lower opening is provided with fixing axle, and the fixing axle is cylindrical body, and the fixing axle passes through lower opening, the outer diameter of the fixing axle Size is identical as the diameter of lower opening, and the fixing axle is arranged with bottom cover, and the bottom cover is fixed by bolt and fixing axle It connects, is provided with side body on the outside of the valve body, the side body is fixedly connected with valve body, is provided with valve between the side body and ball Seat, the side body are fixedly connected with ball by valve seat, and the side body is fixedly connected with interface arrangement, valve body and valve stem sleeve electric welding connection, Can make there are good leakproofness between valve body and valve rod, the outside of ball is arranged in valve body, can be very good to protect ball not by Damage, meanwhile, valve body and side body are tightly connected, and can be given one good sealed environment of ball, be facilitated the operation of ball, and increase The service life that welding ball valve uses, lower opening and fixed axis connection, can both make ball rotary work in fixing axle, while also reducing The operation torque of ball reduces coefficient of friction, and valve rod is socketed in the upper hole of ball, and valve rod can be made fine when doing rotation and moving up and down Make ball also follow suit rotation move up and down, the gap between valve body and ball can be very good the movement for meeting ball.
As optimization, the outside of left hole and right hole is arranged in the interface arrangement, and the interface arrangement includes side pipe, stop block With side pipe fixing sleeve, the side pipe is hollow cylinder, described to manage when pipe uses PE, the inner diameter size and left hole of the side pipe Identical with the diameter of right hole, the side pipe, Bian Ti, left hole and right hole form an access, and the side manages one close to ball It is provided with stop block on end, the stop block is fixedly connected with side pipe, pipe fixing sleeve when being provided on the outside of pipe, the side Guan Gu Fixed set is fixedly connected with side body, and the embedded connection stop block of the side pipe fixing sleeve manages when pipe uses PE, can be good at bearing socket Interior pressure, side pipe fixing sleeve for protect and fixed edge pipe, stop block can make while body with while pipe fixing sleeve connect more consolidate, Guarantee the leakproofness of welding ball valve.
As optimization, between side pipe and valve seat, the exhaust apparatus includes exhaust manifolds, row for the exhaust apparatus setting Air valve and connector, the exhaust manifolds use stainless steel exhaust manifolds, and the exhaust manifolds are hollow iron pipe, and the exhaust is led Pipe be arranged on the body of side, the exhaust manifolds pass through while body with while manage, Bian Ti, left hole and right hole formation access connect, it is described Exhaust manifolds are fixedly connected with the electric welding of side body, and the exhaust manifolds are arranged between valve seat and side pipe, the height of the exhaust manifolds Degree is higher than the height of extension valve rod set, and the upper end of the exhaust manifolds is provided with exhaust valve, and the exhaust valve and exhaust manifolds are living Dynamic connection, exhaust apparatus for discharging extra combustion gas in the pipe of side, facilitate construction personnel preferably welding ball valve is repaired and Protection, while decreasing the generation of security risk.
As optimization, the valve seat includes sealing ring, spring groove, spring, slide bar, baffle and push rod, and the sealing ring is set It sets in the outside of ball, the sealing ring is annulus, institute using low-temperature assembled mode and the fixed nested encryptions of side body, the sealing ring Spring groove to be stated to be fixedly connected with sealing ring, the spring groove is medium altitude groove, and the groove of the spring groove center is provided with spring, The spring is fixedly connected with spring groove, slide bar is provided in the spring groove, the slide bar is slidably connected with spring groove, described Slide bar is fixedly connected with side body, is provided with baffle on the slide bar, and the baffle is fixedly connected with slide bar, the baffle and spring it Between be provided with push rod, the push rod is L shape, and described vertical one end of push rod is fixedly connected with slide bar, described horizontal one end of push rod and Ball is inconsistent, and the vertical edge of the push rod is fixedly connected with spring, the design of valve seat, and ball can be made to do rotation up and down motion When can achieve the purpose that two way seal with welding ball valve, keep ball stable during exercise, slow down combustion gas to the pressure of ball, increase welding The service life of ball valve, valve seat use PTFE valve seat, can reduce the stress of valve seat Yu side body, guarantee the sealing of welding ball valve Property.
As optimization, the exhaust valve includes cavity, sliding block, screw rod, handle and valve deck, and the cavity setting is led in exhaust Guan Shang, the cavity are fixedly connected with exhaust manifolds electric welding, and the cavity is connected to exhaust manifolds, and the cavity is hollow rectangular Body is provided with sliding block on the cavity, and the sliding block is L shape, and the sliding block vertical plane is vertical with cavity, the sliding block horizontal base Face shape size is identical as cavity floor, and the sliding block passes through cavity and is slidably connected with cavity, is provided with screw rod on the sliding block, Screw thread is provided on the screw rod, sliding block horizontal plane upper surface is provided with the thread groove to match with screw flight, The sliding block vertical plane setting it is fluted, one end of the screw rod is arranged in the groove of sliding block vertical plane, the screw rod with Sliding block is flexibly connected, and the screw rod is provided with handle far from one end of sliding block vertical plane, and the handle and screw rod are movably hinged, institute The outside that cavity is arranged in handle is stated, valve deck is provided with above the screw rod and sliding block, the valve deck is groove-like, the valve deck Inside is provided with screw thread, is provided with the thread groove to match with the screw thread of valve deck, the valve deck and cavity on the outside of the cavity It is connected through a screw thread, when exhaust, rotational handle drives screw rod and then to do side-to-side movement together, and screw rod is connect with sliding block, so that cunning Block and then can do side-to-side movement together, realize that the valve of cavity opens and closes, cavity connect with exhaust manifolds, can make Combustion gas is discharged from cavity, and valve deck is used to protect the screw rod and sliding block of cavity and the inside.
As optimization, the bottom of the valve rod is provided with deck, and the deck is cylindrical body, and the deck is arranged in upper hole Under, the diameter size of the deck is greater than the diameter size in upper hole, and the tight latch fitting includes upper ring and lower ring, the tight lock Ring is fixedly connected with extension valve rod on part, and the lower ring is fixedly connected with valve stem sleeve, the upper ring and lower ring size Identical, the upper ring is bolted to connection with lower ring.
As optimization, fuel feeding valve is provided on the valve body, the fuel feeding valve passes through valve body and is fixedly connected with the valve body, institute It states and is provided with oiling conduit on fuel feeding valve, the oiling conduit is fixedly connected with fuel feeding valve, is provided between the ball and valve body Sealing surface, the sealing surface are connected to one end of fuel feeding valve, are provided with oily liquids in the sealing surface, from oiling conduit to Oily liquids is injected in sealing surface between ball and valve body, can reduce operation torque, is reduced coefficient of friction, is facilitated welding ball valve The service life used and increase welding ball valve.
Compared with prior art, the beneficial effects of the present invention are: the present invention can make construction personnel couple by extension valve rod Welding ball valve is easily operated, and so that ball is reduced operational torque by the oily liquids in bearing, fixing axle and sealing surface, is subtracted Few coefficient of friction, the rotary work for being capable of fixing ball can be such that extra combustion gas is discharged from exhaust manifolds by exhaust valve, Make to weld valve body one closed environment of formation by valve seat, fuel feeding valve, facilitates work, the present invention greatly reduced manpower object Power, easy to use, convenient for operation, good seal performance increases welding ball valve service life.
Detailed description of the invention
Fig. 1 faces schematic cross-sectional view for combustion gas PE welding ball valve of the present invention;
Fig. 2 is the diagrammatic side-view cross-sectional structural schematic diagram of combustion gas PE welding ball valve of the present invention;
Fig. 3 is the structural schematic diagram of the ball of combustion gas PE welding ball valve of the present invention;
Fig. 4 is the structural schematic diagram of the exhaust valve of combustion gas PE welding ball valve of the present invention;
Fig. 5 is the structural schematic diagram of the valve seat of combustion gas PE welding ball valve of the present invention;
Fig. 6 is the structural schematic diagram of combustion gas PE welding ball valve of the present invention.
In figure: 1- bottom cover, 2- fixing axle, 3- valve body, 4- oiling conduit, 5- fuel feeding valve, 6- bearing, 7- valve stem sleeve, 8- valve Bar, 9- connector, 10- extension valve rod, 11- extension valve rod set, 12- handwheel, the side 13- pipe, the side 14- pipe fixing sleeve, 15- ball, The upper hole 151-, 152- lower opening, 153- left hole, 154- right hole, 16- valve seat, 161- sealing ring, 162- spring, 163- slide bar, 164- Baffle, 165- push rod, 166- spring groove, the side 17- body, 18- exhaust manifolds, 19- exhaust valve, 191- cavity, 192- sliding block, 193- Screw rod, 194- handle, 195- valve deck, 20- guide pin, 21- STATEMENT OF FEDERALLY SPONSORED, 22- stop block, 23- deck, 25- sealing surface, 26- transmission dress It sets, 27- operates ball area, 28- fixing shell device, 29- exhaust apparatus, 30- interface arrangement.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in fig. 6, in the embodiment of the present invention, combustion gas PE welding ball valve, including it is transmission device 26, operation ball area 27, solid Determine canning 28, exhaust apparatus 29 and interface arrangement 30, transmission device 26 and operation ball area 27 are sequentially connected, transmission device 26 It is fixedly connected with fixing shell device 28, operation ball area 27 is arranged inside fixing shell device 28, operates ball area 27 and fixes Canning 28 is fixedly connected, and the setting of interface arrangement 30 is fixedly connected with fixation in 28 outside of fixing shell device, interface arrangement 30 Canning 28, exhaust apparatus 29 are arranged on fixing shell device 28, and exhaust apparatus 29 is fixedly connected with fixing shell device 28, Exhaust apparatus 29 is arranged between interface arrangement 30 and fixing shell device 28, and exhaust apparatus 29 is fixedly connected with transmission device 26.
As shown in Figure 1, transmission device 26 include handwheel 12, STATEMENT OF FEDERALLY SPONSORED, extension valve rod set 11, extension valve rod 10, valve rod 8, Valve stem sleeve 7 and tight latch fitting, handwheel 12 are arranged in STATEMENT OF FEDERALLY SPONSORED, and handwheel 12 is fixedly connected with STATEMENT OF FEDERALLY SPONSORED, STATEMENT OF FEDERALLY SPONSORED and extension valve rod 10 are fixedly connected, and valve rod 8 is set to inside extension valve rod 10, and precision auger curve groove track is provided on the outer wall of valve rod 8, is added It is provided with precision auger curve groove track on the inner wall of long valve rod 10, gap, gap are provided between valve rod 8 and extension valve rod 10 It is inside provided with guide pin 20, guide pin 20 and the precision auger curve groove track of valve rod 8 are slidably connected, guide pin 20 and extension valve rod 10 Precision auger curve groove track is slidably connected, and the outside of extension valve rod 10 is provided with extension valve rod set 11, and extension valve rod set 11 is solid Surely tight latch fitting is connected, the outside of valve rod 8 is provided with valve stem sleeve 7, and valve stem sleeve 7 is fixedly connected with tight latch fitting, valve rod 8 and valve stem sleeve 7 Between be provided with gap, be provided with bearing 6 in gap, the setting of bearing 6 can make solder sphere in 8 outside of valve rod, extension valve rod 10 The handwheel 12 of valve can show in the bottom surface compared with shallow-layer, it is only necessary to dispose one on the road surface above welding ball valve and answer well lid just It can protect welding ball valve and facilitate maintenance repair, maintenance welding ball valve, do not need to excavate bottom surface to underground and go for welding Ball valve, it is easy to use, it greatly reduced the waste of manpower and material resources, great convenience provided to maintenance and inspection, with 12 phase of handwheel STATEMENT OF FEDERALLY SPONSORED even drives STATEMENT OF FEDERALLY SPONSORED that extension valve rod 10 also and then makes rotating motion, outside valve rod when handwheel 12 can be made to rotate Guide pin 20 between precision auger curve groove track and valve rod 8 and extension valve rod 10 on wall in gap can be such that valve rod 8 revolves Downward or upward movement is generated in guide pin 20 and precision auger curved groove track friction when turning, is made so that 12 turns of handwheel When dynamic, extension valve rod 10 can be to move up and down in rotation, and extension valve rod 10 and valve rod 8 are socketed, and can make extension valve rod 10 when doing rotation and moving up and down, and valve rod 8 also follows suit identical movement, the extension valve rod set 11 of 10 outside of extension valve rod and The valve stem sleeve 7 of 8 outside of valve rod can protect extension valve rod 10 and valve rod 8 is not corroded by the external world, while also protecting extension valve rod 10 The bearing 6 that can be worked normally under earth's surface not by external interference, between valve rod 8 and valve stem sleeve 7 with valve rod 8 can make valve rod 8 When doing rotation up and down motion, operation torque is small, reduces coefficient of friction, operates valve rod 8 more convenient.
As shown in figure 3, operation ball area 27 includes ball 15, ball 15 uses stainless steel ball, and ball 15 is hollow sphere, sets on ball 15 It is equipped with hole 151, lower opening 152, left hole 153 and right hole 154, upper hole 151, lower opening 152, left hole 153 and right hole 154 are circle, The centre of sphere of ball 15 is passed through in upper hole 151 with the circle center line connecting of lower opening 152, and the circle center line connecting of left hole 153 and right hole 154 is by ball 15 The centre of sphere, upper hole 151 is vertical with the circle center line connecting of left hole 153 and right hole 154 with the circle center line connecting of lower opening 152, and valve rod 8 passes through upper hole 151 are sequentially connected with ball 15, and the upper hole 151 of ball 15, lower opening 152, the positional relationship of left hole 153 and right hole 154 can make ball 15 There is stability in welding ball valve, upper hole 151 is connect with valve rod 8, and lower opening 152 is connect with fixing axle 2, makes ball 15 in valve body 3 The interior rotation that can only be fixed increases the leakproofness of welding ball valve, and left hole 153 and right hole 154 are connect with side pipe 13 respectively, is formed Access can enable the other end of the combustion gas smoothly by pipe 13 and ball 15 when one end of pipe 13 and ball 15 reaches.
As shown in Fig. 2, fixing shell device 28 includes valve body 3, bottom cover 1, fixing axle 2 and side body 17, valve body 3 is arranged in ball 15 outside, valve body 3 are hollow cylindrical body, and gap is provided between valve body 3 and ball 15, and valve body 3 passes through the upper hole 151 of ball 15 With lower opening 152, be provided with valve stem sleeve 7 on valve body 3, valve stem sleeve 7 pass through valve body 3 and with 3 electric welding connection of valve body, under 3 face of valve body The position in hole 152 is provided with fixing axle 2, and fixing axle 2 is cylindrical body, and fixing axle 2 passes through lower opening 152, the outer diameter size of fixing axle 2 Identical as the diameter of lower opening 152, fixing axle 2 is arranged with bottom cover 1, and bottom cover 1 is fixedly connected by bolt with fixing axle 2, The outside of valve body 3 is provided with side body 17, and side body 17 is fixedly connected with valve body 3, valve seat 16, Bian Ti is provided between side body 17 and ball 15 17 are fixedly connected with ball 15 by valve seat 16, and side body 17 is fixedly connected with interface arrangement 30, valve body 3 and 7 electric welding connection of valve stem sleeve, can be with Make there are good leakproofness between valve body 3 and valve stem sleeve 7, the outside of ball 15 is arranged in valve body 3, can be very good protection ball 15 It is not damaged, meanwhile, valve body 3 and side body 17 are tightly connected, and can be given 15 1 good sealed environments of ball, be facilitated the behaviour of ball 15 Make, and increase the service life that welding ball valve uses, lower opening 152 is connect with fixing axle 2, both can make ball 15 in fixing axle 2 Rotary work, while also reducing the operation torque of ball 15, reduces coefficient of friction, and valve rod 8 is socketed in the upper hole 151 of ball 15, can be with Make valve rod 8 so that ball 15 is also followed suit well when doing rotation and moving up and down and rotates up and down motion, the sky between valve body 3 and ball 15 Gap can be very good the movement for meeting ball.
As shown in Figure 1, the outside of left hole 153 and right hole 154 is arranged in interface arrangement 30, interface arrangement 30 is managed including side 13, stop block 22 and side pipe fixing sleeve 14, side pipe 13 are hollow cylinder, are managed when pipe 13 is using PE, the inner diameter size of side pipe 13 It is identical as the diameter of left hole 153 and right hole 154, while pipe 13, while body 17, left hole 153 and right hole 154 form an access, Side pipe 13 is provided with stop block 22 on one end of ball 15, and stop block 22 is fixedly connected with side pipe 13, when the outside of pipe 13 is provided with Pipe fixing sleeve 14, the body 17 when pipe fixing sleeve 14 is fixedly connected, the embedded connection stop block 22 of side pipe fixing sleeve 14, side pipe 13 use PE Bian Guan can be good at bearing the pressure in socket, and side pipe fixing sleeve 14 can make for protecting with fixed edge pipe 13, stop block 22 While body 17 with while pipe fixing sleeve 14 connect more firm, guarantee the leakproofness of welding ball valve.
As shown in Figure 1, exhaust apparatus 29 is arranged between side pipe 13 and valve seat 16, exhaust apparatus 29 includes exhaust manifolds 18, exhaust valve 19 and connector 9, exhaust manifolds 18 use stainless steel exhaust manifolds, and exhaust manifolds are hollow iron pipe, exhaust manifolds 18 are arranged on side body 17, exhaust manifolds 18 pass through while body 17 with while pipe 13, side body 17, left hole 153 and right hole 154 formed it is logical Road connection, exhaust manifolds 18 are fixedly connected with the electric welding of side body 17, and exhaust manifolds 18 are arranged between valve seat 16 and side pipe 13, exhaust The height of conduit 18 is higher than the height of extension valve rod set 11, and the upper end of exhaust manifolds 18 is provided with exhaust valve 19, exhaust valve 19 with Exhaust manifolds 18 are flexibly connected, and exhaust apparatus 29 facilitates the better butt welding of construction personnel for discharging extra combustion gas in side pipe 13 Access valve is repaired and is protected, while decreasing the generation of security risk.
As shown in figure 5, valve seat 16 includes sealing ring 161, spring groove 166, spring 162, slide bar 163, baffle 164 and push rod 165, the outside of ball 15 is arranged in sealing ring 161, and sealing ring 161 fixes nested encryptions using low-temperature assembled mode and side body 17, Sealing ring 17 is annulus, and spring groove 166 is fixedly connected with sealing ring 161, and spring groove 166 is medium altitude groove, 166 center of spring groove Groove be provided with spring 162, spring 162 is fixedly connected with spring groove 166, and slide bar 163, slide bar are provided in spring groove 166 163 are slidably connected with spring groove 166, and slide bar 163 is fixedly connected with side body 17, and baffle 164, baffle 164 are provided on slide bar 163 It is fixedly connected with slide bar 163, push rod 165 is provided between baffle 164 and spring 162, push rod 165 is L shape, push rod 165 vertical one End is fixedly connected with slide bar 163, and the horizontal one end of push rod 165 and ball 15 are inconsistent, and the vertical edge and spring 162 of push rod 165 are fixed Connection, the design of valve seat 16 can make ball 15 that can reach the mesh of two way seal with welding ball valve when doing rotation and moving up and down , keep ball 15 stable during exercise, slows down combustion gas to the pressure of ball, increase the service life of welding ball valve, valve seat 16 uses PTFE valve seat can reduce the stress of valve seat 16 Yu side body 17, guarantee the leakproofness of welding ball valve.
As shown in figure 4, exhaust valve 19 includes cavity 191, sliding block 192, screw rod 193, handle 194 and valve deck 195, cavity 191 are arranged on exhaust manifolds 18, and cavity 191 is fixedly connected with the electric welding of exhaust manifolds 18, and cavity 191 and exhaust manifolds 18 connect Logical, cavity 191 is hollow cuboid, and sliding block 192 is provided on cavity 191, and sliding block 192 is L shape, 192 vertical plane of sliding block and sky Chamber 191 is vertical, and 192 horizontal bottom shape size of sliding block is identical as 191 bottom surface of cavity, and sliding block 192 passes through cavity 191 and cavity 191 are slidably connected, and screw rod 193 is provided on sliding block 192, and screw thread is provided on screw rod 193, and 192 horizontal plane upper surface of sliding block is set It is equipped with the thread groove to match with the screw thread of screw rod 193, the vertical plane setting of sliding block 192 is fluted, and one end of screw rod 193 is set It sets in the groove of 192 vertical plane of sliding block, screw rod 193 is flexibly connected with sliding block 192, and screw rod 193 is far from 192 vertical plane of sliding block One end is provided with handle 194, and handle 194 and screw rod 193 are movably hinged, and the outside of cavity 194, screw rod 193 is arranged in handle 194 Be provided with valve deck 195 above sliding block 192, valve deck 195 is groove-like, and screw thread, 191 outside of cavity are provided on the inside of valve deck 195 It is provided with the thread groove to match with the screw thread of valve deck 195, valve deck 195 is connected through a screw thread with cavity 191, when exhaust, is turned Fixed handle 194 drives screw rod 193 and then to do side-to-side movement together, the connection of 193 sliding block 192 of screw rod, allow sliding block 192 with Do side-to-side movement together, realize that the valve of cavity 191 opens and closes, cavity 191 connect with exhaust manifolds 18, can make Combustion gas is discharged from cavity 191, and valve deck 195 is used to protect cavity 191 and the screw rod of the inside 193 and sliding block 192.
As shown in Fig. 2, the bottom of valve rod 8 is provided with deck 23, deck 23 is cylindrical body, and deck 23 is arranged in upper hole 151 Under, the diameter size of deck 23 is greater than the diameter size in upper hole 151, and tight latch fitting includes upper ring and lower ring, ring on tight latch fitting Part is fixedly connected with extension valve rod 10, and lower ring is fixedly connected with valve stem sleeve 7, and upper ring is identical as lower ring size, upper ring It is bolted to connection with lower ring.
As shown in Fig. 2, being provided with fuel feeding valve 5 on valve body 3, fuel feeding valve 5 passes through valve body 3 and is fixedly connected with valve body 3, oiling Oiling conduit 4 is provided on valve 5, oiling conduit 4 is fixedly connected with fuel feeding valve 5, is provided with sealing surface between ball 15 and valve body 3 25, sealing surface 25 is connected to one end of fuel feeding valve 5, is provided with oily liquids in sealing surface 25, from oiling conduit 4 to ball 15 with Oily liquids is injected in sealing surface 25 between valve body 3, can reduce operation torque, is reduced coefficient of friction, is facilitated welding ball valve The service life used and increase welding ball valve.
The present invention can make construction personnel easily operate welding ball valve by extension valve rod, by bearing, admittedly Oily liquids in dead axle and sealing surface make ball reduce operational torque, reduce coefficient of friction, the rotary work for being capable of fixing ball, Extra combustion gas can be made to be discharged from exhaust manifolds by exhaust valve, make to weld valve body formation one by valve seat, fuel feeding valve Closed environment facilitates work, and the present invention greatly reduced manpower and material resources, easy to use, convenient for operating, good seal performance, Increase welding ball valve service life.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (10)

1. combustion gas PE welding ball valve, it is characterised in that: including transmission device (26), operation ball area (27), fixing shell device (28), exhaust apparatus (29) and interface arrangement (30), the transmission device (26) and operation ball area (27) transmission connection, the biography Dynamic device (26) are fixedly connected with fixing shell device (28), and operation ball area (26) setting is in fixing shell device (28) Portion, the operation ball area (26) are fixedly connected with fixing shell device (28), and the interface arrangement (30) is arranged in fixing shell On the outside of device (28), the interface arrangement (30) is fixedly connected fixing shell device (28), and exhaust apparatus (29) setting exists On fixing shell device (28), the exhaust apparatus (29) is fixedly connected fixing shell device (28), the exhaust apparatus (29) It is arranged between interface arrangement (30) and fixing shell device (28), the exhaust apparatus (29) is fixedly connected with transmission device (26)。
2. combustion gas PE welding ball valve according to claim 1, it is characterised in that: the transmission device (26) includes handwheel (12), STATEMENT OF FEDERALLY SPONSORED, extension valve rod set (11), extension valve rod (10), valve rod (8), valve stem sleeve (7) and tight latch fitting, the handwheel (12) it is arranged in STATEMENT OF FEDERALLY SPONSORED, the handwheel (12) is fixedly connected with STATEMENT OF FEDERALLY SPONSORED, and the STATEMENT OF FEDERALLY SPONSORED and extension valve rod (10) are fixed Connection, the extension valve rod (10) is internal to be set to valve rod (8), is provided with precision auger curve on the outer wall of the valve rod (8) Groove track, is provided with precision auger curve groove track on the inner wall of extension valve rod (10), the valve rod (8) and extension valve rod (10) Between be provided with gap, be provided in the gap guide pin (20), the precision auger curved groove of the guide pin (20) and valve rod (8) Track is slidably connected, and the guide pin (20) and the precision auger curve groove track of extension valve rod (10) are slidably connected, the lengthening It is provided on the outside of valve rod (10) extension valve rod set (11), the extension valve rod set (11) is fixedly connected with tight latch fitting, the valve rod (8) it is provided on the outside of valve stem sleeve (7), the valve stem sleeve (7) is fixedly connected with tight latch fitting, the valve rod (8) and valve stem sleeve (7) Between be provided with gap, be provided in the gap bearing (6), the bearing (6) setting is on the outside of valve rod (8).
3. combustion gas PE welding ball valve according to claim 2, it is characterised in that: the operation ball area (27) includes ball (15), the ball (15) uses stainless steel ball, and the ball (15) is hollow sphere, be provided on the ball (15) hole (151), Lower opening (152), left hole (153) and right hole (154), the upper hole (151), lower opening (152), left hole (153) and right hole (154) are Circle, the upper hole (151) pass through the centre of sphere of ball (15), the left hole (153) and right hole with the circle center line connecting of lower opening (152) (154) circle center line connecting passes through the centre of sphere of ball (15), the circle center line connecting and left hole (153) of the upper hole (151) and lower opening (152) Vertical with the circle center line connecting of right hole (154), the valve rod (8) passes through upper hole (151) and ball (15) and is sequentially connected.
4. combustion gas PE welding ball valve according to claim 3, it is characterised in that: the fixing shell device (28) includes valve Body (3), bottom cover (1), fixing axle (2) and side body (17), the valve body (3) are arranged in the outside of ball (15), and the valve body (3) is Hollow cylindrical body, is provided with gap between the valve body (3) and ball (15), the valve body (3) passes through the upper hole of ball (15) (151) and lower opening (152) it, is provided with valve stem sleeve (7) on the valve body (3), the valve stem sleeve (7) passes through valve body (3) and and valve The position of body (3) electric welding connection, valve body (3) the face lower opening (152) is provided with fixing axle (2), and the fixing axle (2) is circle Cylinder, the fixing axle (2) pass through lower opening (152), the outer diameter size of the fixing axle (2) and the diameter of lower opening (152) Identical, the fixing axle (2) is arranged with bottom cover (1), and the bottom cover (1) is fixedly connected by bolt with fixing axle (2), described It is provided on the outside of valve body (3) side body (17), the side body (17) is fixedly connected valve body (3), the side body (17) and ball (15) Between be provided with valve seat (16), the side body (17) is fixedly connected ball (15) by valve seat (16), and the side body (17) is fixed to be connected Connection interface device (30).
5. combustion gas PE welding ball valve according to claim 4, it is characterised in that: the interface arrangement (30) is arranged in left hole (153) and the outside of right hole (154), the interface arrangement include while manage (13), stop block (22) and while pipe fixing sleeve (14), it is described It is hollow cylinder that (13) are managed on side, described to manage when managing (13) and using PE, the inner diameter size of the side pipe (13) and left hole (153) It is identical with the diameter of right hole (154), it is described while manage (13), while body (17), left hole (153) and right hole (154) formation one Access, the side pipe (13) are provided with stop block (22) on the one end of ball (15), and the stop block (22) is fixedly connected with side pipe (13), it is described while manage (13) on the outside of be provided with while pipe fixing sleeve (14), the body when pipe fixing sleeve (14) is fixedly connected (17), embedded connection stop block (22) of the side pipe fixing sleeve (14).
6. combustion gas PE welding ball valve according to claim 5, it is characterised in that: exhaust apparatus (29) setting is managed on side (13) between valve seat (16), the exhaust apparatus (29) includes exhaust manifolds (18), exhaust valve (19) and connector (9), institute Exhaust manifolds (18) are stated using stainless steel exhaust manifolds, the exhaust manifolds (18) are hollow iron pipe, the exhaust manifolds (18) Be arranged on side body (17), the exhaust manifolds (18) pass through while body (17) with while manage (13), side body (17), left hole (153) and The access connection that right hole (154) is formed, the exhaust manifolds (18) are fixedly connected with side body (17) electric welding, the exhaust manifolds (18) between valve seat (16) and side pipe (13), the height of the exhaust manifolds (18) is higher than the height of extension valve rod set (11) for setting Degree, the upper end of the exhaust manifolds (18) are provided with exhaust valve (19), and the exhaust valve (19) and exhaust manifolds (18) activity are even It connects.
7. combustion gas PE welding ball valve according to claim 6, it is characterised in that: the valve seat (16) includes sealing ring (161), spring groove (166), spring (162), slide bar (163), baffle (164) and push rod (165), the sealing ring (161) set The outside in ball (15) is set, the sealing ring (161) is described close using low-temperature assembled mode and side body (17) fixed nested encryptions Seal ring (17) is annulus, and the spring groove (166) is fixedly connected with sealing ring (161), and the spring groove (166) is hollow recessed The groove of slot, spring groove (166) center is provided with spring (162), the spring (162) and spring groove (166) fixed company It connects, is provided with slide bar (163) in the spring groove (166), the slide bar (163) is slidably connected with spring groove (166), the cunning Bar (163) is fixedly connected with side body (17), is provided with baffle (164) on the slide bar (163), and the baffle (164) is fixed to be connected It connects slide bar (163), is provided with push rod (165) between the baffle (164) and spring (162), the push rod (165) is L shape, institute It states the vertical one end of push rod (165) to be fixedly connected with slide bar (163), the horizontal one end of the push rod (165) and ball (15) are inconsistent, institute The vertical edge for stating push rod (165) is fixedly connected with spring (162).
8. combustion gas PE welding ball valve according to claim 7, it is characterised in that: the exhaust valve (19) includes cavity (191), sliding block (192), screw rod (193), handle (194) and valve deck (195), the cavity (191) are arranged in exhaust manifolds (18) on, the cavity (191) is fixedly connected with exhaust manifolds (18) electric welding, and the cavity (191) and exhaust manifolds (18) are even Logical, the cavity (191) is hollow cuboid, is provided with sliding block (192) on the cavity (191), and the sliding block (192) is L Shape, sliding block (192) vertical plane is vertical with cavity (191), sliding block (192) the horizontal bottom shape size and cavity (191) bottom surface is identical, and the sliding block (192) passes through cavity (191) and is slidably connected with cavity (191), sets on the sliding block (192) It is equipped with screw rod (193), screw thread is provided on the screw rod (193), sliding block (192) the horizontal plane upper surface is provided with and screw rod (193) the vertical plane setting of the thread groove that screw thread matches, the sliding block (192) is fluted, and the one of the screw rod (193) End is arranged in the groove of sliding block (192) vertical plane, and the screw rod (193) is flexibly connected with sliding block (192), the screw rod (193) one end far from sliding block (192) vertical plane is provided with handle (194), the handle (194) and screw rod (193) moveable hinge It connects, handle (194) setting is provided with valve deck above the outside of cavity (191), the screw rod (193) and sliding block (192) (195), the valve deck (195) is groove-like, and screw thread, setting on the outside of the cavity (191) are provided on the inside of the valve deck (195) There is the thread groove to match with the screw thread of valve deck (195), the valve deck (195) is connected through a screw thread with cavity (191).
9. combustion gas PE welding ball valve according to claim 8, it is characterised in that: the bottom of the valve rod (8) is provided with card Seat (23), the deck (23) are cylindrical body, and the deck (23) is arranged under upper hole (151), the diameter of the deck (23) Size is greater than the diameter size of upper hole (151), and the tight latch fitting includes upper ring and lower ring, on the tight latch fitting ring with plus Long valve rod (10) is fixedly connected, and the lower ring is fixedly connected with valve stem sleeve (7), and the upper ring is identical as lower ring size, The upper ring is bolted to connection with lower ring.
10. combustion gas PE welding ball valve according to claim 9, it is characterised in that: be provided with fuel feeding valve on the valve body (3) (5), the fuel feeding valve (5) passes through valve body (3) and is fixedly connected with valve body (3), is provided with oiling conduit on the fuel feeding valve (5) (4), the oiling conduit (4) is fixedly connected with fuel feeding valve (5), is provided with sealing surface between the ball (15) and valve body (3) (25), the sealing surface (25) is connected to one end of fuel feeding valve (5), is provided with oily liquids in the sealing surface (25).
CN201810955577.6A 2018-08-21 2018-08-21 Gas PE welding ball valve Active CN108980396B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810955577.6A CN108980396B (en) 2018-08-21 2018-08-21 Gas PE welding ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810955577.6A CN108980396B (en) 2018-08-21 2018-08-21 Gas PE welding ball valve

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Publication Number Publication Date
CN108980396A true CN108980396A (en) 2018-12-11
CN108980396B CN108980396B (en) 2020-01-31

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204961888U (en) * 2015-09-13 2016-01-13 苏州市燃气设备阀门制造有限公司 Ball valve structure is moulded to steel
CN108006254A (en) * 2017-11-29 2018-05-08 上高阀门集团有限公司 A kind of PE ends G type all-welded ball valves
CN207661160U (en) * 2017-10-20 2018-07-27 重庆昂宇自控仪表有限公司 A kind of low leakage ball valve
CN207777676U (en) * 2018-01-22 2018-08-28 沈阳安达节能阀门科技有限公司 A kind of combustion gas PE welding ball valves

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204961888U (en) * 2015-09-13 2016-01-13 苏州市燃气设备阀门制造有限公司 Ball valve structure is moulded to steel
CN207661160U (en) * 2017-10-20 2018-07-27 重庆昂宇自控仪表有限公司 A kind of low leakage ball valve
CN108006254A (en) * 2017-11-29 2018-05-08 上高阀门集团有限公司 A kind of PE ends G type all-welded ball valves
CN207777676U (en) * 2018-01-22 2018-08-28 沈阳安达节能阀门科技有限公司 A kind of combustion gas PE welding ball valves

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Address after: 261000 Huizhi Industrial Park, Yuandu, Zhongnan high tech Zone, taixiang street and Wenhua Road, Weifang Economic Development Zone, Shandong Province 91

Patentee after: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD.

Address before: 261000 2-2211, complex building 12, Qinghe Park, No. 5738, Dongfeng East Street, high tech Zone, Weifang City, Shandong Province

Patentee before: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD.