CN108799539A - A kind of orbit ball valve with spiral valve rod - Google Patents

A kind of orbit ball valve with spiral valve rod Download PDF

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Publication number
CN108799539A
CN108799539A CN201810956593.7A CN201810956593A CN108799539A CN 108799539 A CN108799539 A CN 108799539A CN 201810956593 A CN201810956593 A CN 201810956593A CN 108799539 A CN108799539 A CN 108799539A
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CN
China
Prior art keywords
valve
valve rod
sphere
ball
spiral
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
CN201810956593.7A
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Chinese (zh)
Inventor
钱玉峰
谭宏博
张庆荣
陈红云
张春芳
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 Billion Valve Ltd By Share Ltd
Original Assignee
Jiangsu Billion Valve 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 Jiangsu Billion Valve Ltd By Share Ltd filed Critical Jiangsu Billion Valve Ltd By Share Ltd
Priority to CN201810956593.7A priority Critical patent/CN108799539A/en
Publication of CN108799539A publication Critical patent/CN108799539A/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
    • F16K5/0663Packings
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

The present invention relates to a kind of orbit ball valves with spiral valve rod, including:Valve body, sphere, valve component, valve deck, bearing ball, valve rod and pneumatic actuator;Sphere is assemblied in valve body, and sphere lower part is divided into cylindrical shape and is placed in bottom cover, is tightly connected with valve component on the right side of sphere;Valve deck is connect by the symmetrical bolt in both sides with valve body;Valve rod one end connects sphere, and the other end passes through holder to connect pneumatic actuator;There are two bearing ball settings, is assemblied on valve deck, and coordinates with valve rod, realizes straight line and the rotary motion of valve rod.This structure reduces the abrasion of guide frame, is effectively prevented from stuck phenomenon, and the good seal at valve seat is also can guarantee in alternating temperature.

Description

A kind of orbit ball valve with spiral valve rod
Technical field
The present invention relates to a kind of valve technology field more particularly to a kind of orbit ball valves with spiral valve rod.
Background technology
Orbit ball valve is a kind of ball valve with special construction, since it is opened under the very high or very low bad working environments of temperature Process is closed without friction, and still ensures that the reliability of sealing, therefore in chemical field, is especially switched fast, just in needs The occasion of warm alternation has been more and more widely used.
The operation principle of existing orbit ball valve is:Valve rod rises under the action of handwheel or descending motion, on valve rod Guide groove carries out 90 degree of rotary motions with guiding pin contacts after valve rod carries out one section of linear motion.In linear motion, valve The lozenges of bar lower end pushes sphere to be realized close to valve seat and seals, or is detached from valve seat and opens valve;Then guide groove and leading To under the action of pin, valve rod drives sphere to make 90 degree of rotations.Opening for valve is realized by the raising and lowering movement of valve rod It opens and closing process, with valve seat without friction when the rotation of sphere.
The main problem of the prior art is:In rotary course, guide groove is larger to the shearing force of guide pin, cause pin and There is abrasion deformation in slot, and so as to cause guide pin deformation failure, then the problem of stuck or even fracture occurs in valve rod, reduces The service life of ball valve.In addition, under alternating temperature operating mode, sealing surface will produce small temperature deformation, so as to cause poorly sealed, It leaks.
In view of above-mentioned existing defect, the present inventor manufactures practical experience abundant for many years based on such product design is engaged in And professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, to found a kind of track ball with spiral valve rod Valve makes it have more practicability.By constantly studying, designing, and after studying sample repeatedly and improving, create finally really The present invention having practical value.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of orbit ball valve with spiral valve rod, tie altogether Structure is rationally, abrasion is small, service life is high, the novel orbital ball valve of good seal performance.
The object of the invention to solve the technical problems is realized using following technical scheme.
A kind of orbit ball valve with spiral valve rod, including:Valve body, sphere, valve component, valve deck, bearing ball, valve rod And pneumatic actuator;
The sphere is assemblied in valve body, and the sphere lower part is divided into cylindrical shape and is placed in bottom cover, on the right side of the sphere It is tightly connected with the valve component;
The valve deck is connect by the symmetrical bolt in both sides with the valve body;
Described valve rod one end connects sphere, and the other end passes through holder to connect the pneumatic actuator;
There are two the bearing rolling settings, is assemblied on the valve deck, and coordinates with the valve rod, realizes the straight line of the valve rod With rotary motion.
Preferably, further include filler, filler pressing sleeve and hold-down grid, the filler setting is described on the valve rod top Filler pressing sleeve is arranged above the filler, and the hold-down grid is arranged above the filler pressing sleeve.
Preferably, the bearing ball is symmetrical arranged, and has certain fit-up gap between the valve rod.
Preferably, further include pressing device, there are four the pressing device settings, is symmetricly set on the bearing rolling two-by-two On the outside of pearl, and limit between the valve rod and the valve deck.
Preferably, the valve component includes valve seat outer shroud, valve seat inner ring, spring ring and valve base sealing ring, the spring Circle is positioned between the valve base sealing ring and the valve seat inner ring.
Preferably, the valve rod stage casing is provided with symmetrical planar structure, and the planar structure is matched with the bearing ball It closes, the planar structure stage casing is the helicoid of 90 degree of torsions.
Preferably, the valve rod lower end is lozenges, and the lozenges is connect with the planar structure, is placed in the sphere It is intermediate and stretch into inside spherical cavity.
Preferably, further include rollers on symmetrically arranged two lower rollers and two, the lower roller and the upper roller Setting in the sphere, and is engaged by clamping with the valve rod lower end, for driving the sphere to rotate when the stem movement, Complete the opening and closing process of the ball valve.
Using above-mentioned technical proposal, following technique effect can be realized:
1, traditional spiral guide pin is replaced with bearing ball, sliding friction is converted to rolling friction, reduces the abrasion of valve rod, The service life for extending ball valve compensates for the defect of conventional rails ball valve guide pin and guide groove failure;
2, the planar structure in orbit ball valve valve rod stage casing and the cooperation of helicoid and bearing ball, keep stem movement more steady, together When also reduce abrasion deformation between valve rod and bearing ball;
3, there are certain fit clearances between bearing ball and valve rod, under the premise of ensureing normal opening-closing process, Neng Goufang Only there is the stuck situation of valve rod;
4, the sealing at valve component is compensated using spring ring, avoids generating not between sphere and valve component under alternating temperature operating mode Leakage, ensure that the reliability of sealing caused by evitable tiny deformation.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is a kind of orbit ball valve structural schematic diagram with spiral valve rod of the present invention;
Fig. 2 is a kind of valve component schematic diagram of the orbit ball valve with spiral valve rod of the present invention;
Reference numeral:Valve body 1, sphere 2, lower roller 3, upper roller 4, valve component 5, valve seat outer shroud 51, valve seat inner ring 52, spring Circle 53, valve base sealing ring 54, valve deck 6, bearing ball 7, pressing device 8, valve rod 9, planar structure 91, helicoid 911, lozenges 92, filler 10, filler pressing sleeve 11, hold-down grid 12, filler support 13, pneumatic actuator 14.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below Example is not limited to the scope of the present invention for illustrating the present invention.
Referring to Fig. 1, the invention discloses a kind of orbit ball valves with spiral valve rod, including:Valve body 1, sphere 2, valve seat Component 5, valve deck 6, bearing ball 7, valve rod 9 and pneumatic actuator 14;Sphere 2 is assemblied in valve body 1, and 2 lower part of sphere is divided into circle It cylinder body shape and is placed in bottom cover, 2 right side of sphere is tightly connected with valve component 5;Valve deck 6 passes through the symmetrical bolt in both sides and valve body 1 connection;9 one end of valve rod connects sphere 2, and the other end passes through holder 13 to connect pneumatic actuator 14;Bearing ball 7 is provided with two It is a, it is assemblied on valve deck 6, and coordinate with valve rod 9, realizes straight line and the rotary motion of valve rod 9.
Traditional spiral guide pin is replaced with bearing ball 7 in the application, sliding friction is converted to rolling friction, is reduced The abrasion of valve rod 9 extends the service life of ball valve, compensates for the defect of conventional rails ball valve guide pin and guide groove failure.
As a kind of perferred technical scheme, further include filler 10, filler pressing sleeve 11 and hold-down grid 12, the setting of filler 10 On 9 top of valve rod, filler pressing sleeve 11 is arranged above filler 10, and hold-down grid 12 is arranged above filler pressing sleeve 11.
As a kind of perferred technical scheme, bearing ball 7 is symmetrical arranged, and has certain assembly between valve rod 9 Gap.There are certain fit clearances between bearing ball and valve rod can prevent under the premise of ensureing normal opening-closing process There is the stuck situation of valve rod.
As a kind of perferred technical scheme, further include pressing device 8, there are four the settings of pressing device 8, symmetrically sets two-by-two It sets in 7 outside of bearing ball, and limits between valve rod 9 and valve deck 6.
As a kind of perferred technical scheme, valve component 5 includes valve seat outer shroud 51, valve seat inner ring 52,53 and of spring ring Valve base sealing ring 54, spring ring 53 are positioned between valve base sealing ring 54 and valve seat inner ring 52.In the operating mode that temperature change is larger Under, spring ring 53 is had certain pretightning force by compression, may further ensure that good seal when temperature change is larger.Valve Sealing at holder assembly 5 is compensated using spring ring 53, and sphere 2 and valve component 5 under alternating temperature operating mode is avoided to generate unavoidably Tiny deformation caused by leakage, ensure that the reliability of sealing.
As a kind of perferred technical scheme, 9 stage casing of valve rod is provided with symmetrical planar structure 91, planar structure 91 and axis The cooperation of ball 7 is held, 91 stage casing of planar structure is the helicoid 911 of 90 degree of torsions.The planar structure in 9 stage casing of orbit ball valve valve rod 91 and helicoid 911 and bearing ball 7 coordinate, keep the movement of valve rod 9 more steady, while also reducing valve rod 9 and bearing rolling Abrasion deformation between pearl 7.
As a kind of perferred technical scheme, 9 lower end of valve rod is lozenges 92, and lozenges 92 is connect with planar structure 91, It is placed among sphere 2 and stretches into inside spherical cavity.
As a kind of perferred technical scheme, further include symmetrically arranged two lower rollers 3 and two upper rollers 4, lower rolling Column 3 and upper roller 4 are arranged in sphere 2, and are engaged by clamping with 9 lower end of valve rod, drive sphere 2 to rotate when being moved for valve rod 9, Complete the opening and closing process of ball valve.
When ball valve is opened, risen with ovable valve stem 9 by pneumatic actuator 14, the lozenges of 9 lower end of valve rod pushes sphere 2 de- From valve component 5, when bearing ball 7 is contacted with valve rod 9 and is coordinated so that valve rod 9 proceeds by with the helicoid of valve rod 9 911 Rotation rises, and then 9 lower end of valve rod drives sphere 2 to rotate by upper roller 4 and lower roller 3, until sphere 2 rotates 90 Valve opening operation is completed after degree.
When ball valve is closed, declined with ovable valve stem 9 by pneumatic actuator 14, the helicoid 911 of bearing ball 7 and valve rod 9 Cooperation realizes that rotary motion, 9 lower end of valve rod drive sphere 2 to rotate by upper roller 4 and lower roller 3, and sphere 2 is in closing shape State, the straight line of the continuation of valve rod 9 later decline, and 9 lower end lozenges 92 of valve rod pushes sphere 2 to be close to the guarantee sealing of valve component 5, works as pressure When tight valve component 5, the spring ring 53 for being in original length originally is compacted have certain pretightning force, the bullet in alternating temperature The pretightning force that spring coil 53 provides can compensate the seal clearance brought due to the micro-strain of structure, ensure that the reliable of sealing Property.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and Modification, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (8)

1. a kind of orbit ball valve with spiral valve rod, which is characterized in that including:Valve body(1), sphere(2), valve component(5), Valve deck(6), bearing ball(7), valve rod(9)And pneumatic actuator(14);
The sphere(2)It is assemblied in valve body(1)It is interior, the sphere(2)Lower part is divided into cylindrical shape and is placed in bottom cover, described Sphere(2)Right side and the valve component(5)It is tightly connected;
The valve deck(6)Pass through the symmetrical bolt in both sides and the valve body(1)Connection;
The valve rod(9)One end connects sphere(2), the other end is across holder(13)Connect the pneumatic actuator(14);
The bearing ball(7)There are two settings, is assemblied in the valve deck(6)On, and with the valve rod(9)Institute is realized in cooperation State valve rod(9)Straight line and rotary motion.
2. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that further include filler(10), fill out Expect pressing sleeve(11)And hold-down grid(12), the filler(10)It is arranged in the valve rod(9)Top, the filler pressing sleeve(11)If It sets in the filler(10)Top, the hold-down grid(12)It is arranged in the filler pressing sleeve(11)Top.
3. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that the bearing ball(7)It is right Claim setting, and with the valve rod(9)Between have certain fit-up gap.
4. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that further include pressing device(8), The pressing device(8)There are four settings, is symmetricly set on the bearing ball two-by-two(7)Outside, and limit in the valve rod (9)With the valve deck(6)Between.
5. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that the valve component(5)Packet Include valve seat outer shroud(51), valve seat inner ring(52), spring ring(53)With valve base sealing ring(54), the spring ring(53)It is positioned over institute State valve base sealing ring(54)With the valve seat inner ring(52)Between.
6. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that the valve rod(9)Stage casing is set It is equipped with symmetrical planar structure(91), the planar structure(91)With the bearing ball(7)Cooperation, the planar structure(91) Stage casing is the helicoid of 90 degree of torsions(911).
7. the orbit ball valve according to claim 6 with spiral valve rod, which is characterized in that the valve rod(9)Lower end is Lozenges(92), the lozenges(92)With the planar structure(91)Connection, is placed in the sphere(2)It is intermediate and stretch into spherical cavity It is internal.
8. the orbit ball valve according to claim 1 with spiral valve rod, which is characterized in that further include symmetrically arranged two A lower roller(3)With two upper rollers(4), the lower roller(3)With the upper roller(4)It is arranged in the sphere(2)In, and With the valve rod(9)Lower end is engaged by clamping, and is used for the valve rod(9)The sphere is driven when movement(2)Rotation, completes the ball The opening and closing process of valve.
CN201810956593.7A 2018-08-21 2018-08-21 A kind of orbit ball valve with spiral valve rod Pending CN108799539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810956593.7A CN108799539A (en) 2018-08-21 2018-08-21 A kind of orbit ball valve with spiral valve rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810956593.7A CN108799539A (en) 2018-08-21 2018-08-21 A kind of orbit ball valve with spiral valve rod

Publications (1)

Publication Number Publication Date
CN108799539A true CN108799539A (en) 2018-11-13

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CN201810956593.7A Pending CN108799539A (en) 2018-08-21 2018-08-21 A kind of orbit ball valve with spiral valve rod

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109780307A (en) * 2019-01-16 2019-05-21 圣博莱阀门有限公司 A kind of pneumatic rail ball valve with buffering hydraulic damping device
CN110608297A (en) * 2019-10-25 2019-12-24 沪航科技集团有限公司 Eccentric half ball valve
CN116697082A (en) * 2023-08-07 2023-09-05 艾坦姆流体控制技术(山东)有限公司 Pneumatic track ball valve with shock resistance function

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261487A (en) * 2011-05-07 2011-11-30 浙江万龙机械有限公司 Valve rod lifting track ball valve
CN202708166U (en) * 2012-07-18 2013-01-30 上海凯科阀门制造有限公司 Ball valve
CN204493779U (en) * 2015-02-03 2015-07-22 浙江太特阀门有限公司 LNG ultralow temperature fixing ball valve
CN205013730U (en) * 2015-10-08 2016-02-03 天津百利展发集团有限公司 Combination disk seat that plate valve is stand wear and tear
CN206299889U (en) * 2016-12-07 2017-07-04 上海弘盛特种阀门制造股份有限公司 The distraction-type ball valve of high intensity high sealing performance
CN208687002U (en) * 2018-08-21 2019-04-02 江苏亿阀股份有限公司 A kind of orbit ball valve with spiral valve rod

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261487A (en) * 2011-05-07 2011-11-30 浙江万龙机械有限公司 Valve rod lifting track ball valve
CN202708166U (en) * 2012-07-18 2013-01-30 上海凯科阀门制造有限公司 Ball valve
CN204493779U (en) * 2015-02-03 2015-07-22 浙江太特阀门有限公司 LNG ultralow temperature fixing ball valve
CN205013730U (en) * 2015-10-08 2016-02-03 天津百利展发集团有限公司 Combination disk seat that plate valve is stand wear and tear
CN206299889U (en) * 2016-12-07 2017-07-04 上海弘盛特种阀门制造股份有限公司 The distraction-type ball valve of high intensity high sealing performance
CN208687002U (en) * 2018-08-21 2019-04-02 江苏亿阀股份有限公司 A kind of orbit ball valve with spiral valve rod

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109780307A (en) * 2019-01-16 2019-05-21 圣博莱阀门有限公司 A kind of pneumatic rail ball valve with buffering hydraulic damping device
CN110608297A (en) * 2019-10-25 2019-12-24 沪航科技集团有限公司 Eccentric half ball valve
CN110608297B (en) * 2019-10-25 2024-04-16 沪航科技集团有限公司 Eccentric hemisphere valve
CN116697082A (en) * 2023-08-07 2023-09-05 艾坦姆流体控制技术(山东)有限公司 Pneumatic track ball valve with shock resistance function

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Application publication date: 20181113