CN104235415A - Manual sealed adjustable ball valve - Google Patents
Manual sealed adjustable ball valve Download PDFInfo
- Publication number
- CN104235415A CN104235415A CN201410460727.8A CN201410460727A CN104235415A CN 104235415 A CN104235415 A CN 104235415A CN 201410460727 A CN201410460727 A CN 201410460727A CN 104235415 A CN104235415 A CN 104235415A
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- valve
- valve seat
- valve body
- spheroid
- screw rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a manual sealed adjustable ball valve, which comprises a valve body, a ball body, a valve seat and a valve rod, wherein the valve rod drives the ball body to rotate, the valve seat can be glidingly arranged in a cavity of the valve body arranged in a communicating part of an inlet fluid passage and an outlet fluid passage relative to the valve body, a sealing ring capable of sealing and blocking a communicating part of the cavity of the valve body and an internal flow passage of the ball body is annularly arranged on the valve seat, a valve seat driving device used for driving the valve seat to integrally move to the ball body direction is arranged between the valve body and the valve seat, and the valve seat driving device comprises transmission components, and the axial lines of the transmission components are mutually crossed and matched. The manual sealed adjustable ball valve has the advantages that the worm wheel and worm rod type driving valve seat integrally moves in a direction towards the ball body, so a sealing ring and the ball body have a good sealing effect, and the problem of easy leakage caused by regulation through a plurality of regulating points in the prior art is avoided; the ball valve also has the characteristics that the continuous regulation is realized, and in addition, the regulation quantity is greater; in addition, the ball valve also has an overpressure discharging function, the problem of ball valve damage caused by higher pressure inside the cavity of the valve body is avoided, and the service life of the ball valve is prolonged.
Description
Technical field
The present invention relates to a kind of ball valve of the sealed adjustable that can be used under higher pressure working condition.
Background technique
Ball valve is mainly used for the medium blocking or connect in pipeline, and ball valve mainly relies between the Sealing on valve seat and spheroid and carries out crush seal, and extruding force is mainly derived from pretightening force, also has some ball valves to utilize the structure of ball valve to rely on the extruding of medium to provide.But ball valve in use for some time, because the Sealing on valve seat and spheroid rub for a long time, Sealing very easily weares and teares, pretightening force is caused to decline, and then cause ball valve to leak, solving the Normal practice leaked is that dismounting valve reinstalls Sealing, and readjust, this mode of operation wastes time and energy.So ball valve needs the mechanism that constantly can adjust valve seat pretightening force.
In prior art, be 01122998.5 at application number, patent name discloses a kind of sealing pressure adjustable automatic compensating ball valve for " sealing pressure adjustable automatic compensating ball valve ", its key problem in technology is to rely on valve seat processes the conical surface, at valve body, multiple adjustment holding down bolt is circumferentially installed, by regulating holding down bolt to extrude the conical surface, reach the object of adjustment.This mode has following shortcoming: first, be difficult to adjustment evenly, because circumferentially arranging multiple adjustment point, each adjustment point is being adjustment separately, what be difficult to adjust is all relatively consistent, has one inconsistently power skewness on valve seat will be caused to cause local leakage.Secondly, adjustment capability is limited, is limited to valve body and conical surface size, very limited at valve shaft adjustment amount upwards, can not continuously adjustabe.Again, hold multiple hole and can reduce body strength.
Due to the structures shape of ball valve, in time blocking the runner of medium, have some media in spheroid remain and enter in the cavity of valve body, if residual medium generation vaporization phenomenon, can produce in valve body very high in pressure, if these pressure can not get discharging timely, the valve body of ball valve may be caused to destroy, even likely cause security incident, such as, after LNG Liquefied natural gas (LNG) gasification, volume expansion is original 600 times, bears the as easy as rolling off a log generation causing security incident of ball valve of high pressure.
Given this present invention is proposed.
Summary of the invention
Object of the present invention is for overcoming the deficiencies in the prior art, there is provided one to have and regulate compensate function preferably, high voltage relief function and good sealability, working life is longer and be applicable to the manual sealed adjustable ball valve of various liquid and liquid gas pipe-line system.
In order to realize this object, the present invention adopts following technological scheme: a kind of manual sealed adjustable ball valve, comprises the valve rod that valve body, spheroid, valve seat and driving spheroid rotate;
Described valve body is a cavity structure, and described valve body is provided with the inlet fluid passage and outlet flow channel that are communicated with described cavity, and described spheroid is located between inlet fluid passage and outlet flow channel;
Described spheroid can be rotatably set in the cavity of described valve body; One end injection of described valve rod is in valve body and be fixedly connected with spheroid;
Described valve seat can be located at in the cavity of the valve body of inlet fluid passage and outlet flow channel connectivity part relatively valve body slides;
Described valve seat is equipped with can the seal ring of shutoff spheroid inner flow passage and valve cavity connectivity part, be provided with between described valve body and valve seat and drive the overall valve seat drive unit to the action of spheroid direction of valve seat, described valve seat drive unit comprises axis and mutually intersects and the dirivig member coordinated.Described valve seat drive unit can give valve seat entirety to the active force of spheroid direction action, this active force can make the seal ring on valve seat contact ringwise with spheroid, and make the annular force bearing point uniform force of valve seat, effectively overcome traditional multiple spot and regulate the shortcoming easily revealed, there is good sealability.
In aforesaid this manual sealed adjustable ball valve, described valve seat drive unit comprises one can by the force transmission of valve body outside to the driving component a of valve inner with match with driving component a and merge that to be located at valve cavity inner and can the driving component b of Direct driver valve seat action;
Or described valve seat drive unit comprises one can by the force transmission of valve body outside to the driving component a of valve inner with match with driving component a and merge that to be located at valve cavity inner and indirectly can drive the driving component b of valve seat action, described valve seat drive unit also comprises a driving component c coaxial with driving component b, and described driving component b is connected with valve seat by driving component c.
In aforesaid this manual sealed adjustable ball valve, described driving component a is a screw rod being arranged on valve body; Described driving component b be located at valve body cavity in and match with screw rod and the turbine arranged with valve seat coaxial cooperation.Wherein the mode of transfer force of turbine and worm can directly or indirectly drive valve seat to the action of spheroid direction, and the seal ring on valve seat is contacted ringwise with spheroid, and each point uniform force at ring shaped contact place can be ensured, its sealability is better, and each point discontinuity avoiding the adjustment of traditional multiple spot easily causes the problem of leakage.In addition, the function regulated continuously can be realized by this regulative mode, and regulated quantity is comparatively large, makes it have good adjustability.
In aforesaid this manual sealed adjustable ball valve, described valve body is provided with installs screw rod and the mounting hole be connected with valve cavity, described screw rod one end runs through mounting hole and can be mounted opposite hole rotary setting and be connected with turbine, for being tightly connected between described screw rod and mounting hole.Screw rod can be divided into two sections in order to easy for installation, one section for containing the part coordinated with turbine, another section is for being delivered to the adjustable lever of valve inner by valve body external force, described adjustable lever can synchronous axial system with the screw rod with screw rod tooth, adjustable lever stretches in valve body outside one end, by the adjustable lever that stretches in valve body outward, the power of valve body outside is delivered to the inside of valve body, the power being delivered to valve inner drives turbine to rotate, and then directly or indirectly drives valve seat to the action of spheroid direction.
In aforesaid this manual sealed adjustable ball valve, described turbine is loop configuration, and turbine madial wall is directly threaded with the outer side wall of valve seat or is connected with valve seat by driving component c, and one end of described turbine and valve body are rotatably connected; Preferably, described driving component c is the promotion nut of a loop configuration coaxial with turbine, and the outer side wall of described promotion nut and the madial wall of turbine are that key is connected, and described promotion nut madial wall is that screw-thread fit is connected with the outer side wall of valve seat at least partly; One end of described promotion nut is direct or be connected with valve interior wall by elastic member.When turbine madial wall is directly with being threaded between valve seat, turbine leads to screw thread and is directly delivered on valve seat by power, makes valve seat to the action of spheroid direction; When by promoting nut, power is passed to turbine by worm screw, power is passed to valve seat by the promotion nut together rotated by turbine, make valve seat to the action of spheroid direction, this kind of mode of transfer force, mainly by key and the worm structure power transmission between promotion nut and valve seat, adopts this kind of power transmission method can discharge the harmful internal stress of a part.Described elastic member often selects disc spring.
In aforesaid this manual sealed adjustable ball valve, described turbine side be provided with one with turbine coaxial and one annular protrusion, described annular protrusion and turbine form an annular shoulder block; Described valve inner cavity has the ledge structure coordinated with described annular shoulder block, and described shoulder block is rotatably nested with described ledge structure.In power transmission process, annular protrusion plays spacing effect to turbine, avoids turbine generation axial float, improves the reliability of transmission.
In aforesaid this manual sealed adjustable ball valve, described valve body is also provided with a perforate, described tapping envelope is provided with a lid, and one end of described valve rod is through lid and be connected with spheroid, is tightly connected between described valve rod and lid for rotatable; Wherein perforate seals by lid, makes the cavity of valve body and tapping be airtight linkage structure, prevents from revealing.
Described worm screw be located at there is valve rod side valve body on, the both sides of the screw rod toothed portion of described screw rod are polished rod structure, described polished rod part is fixed by the screw rod position shelf that is located at the cavity joint of perforate and valve body, and described screw rod position shelf has the restraining groove matched with screw rod and the positioning step preventing axial turbine play; In order to limit the degrees of freedom of screw rod, limited by the polished rod part of screw rod position shelf to screw rod.
Described lid also has one protruding, and described projection to be located in perforate and directly will to be installed with on the end face of the spheroid with valve rod connection to the screw rod position shelf of screw limiting by this projection;
Or described projection to be located in perforate and to be projected through a cushion pad will be installed with on the end face of the spheroid with valve rod connection to the screw rod position shelf of screw limiting by this.
In aforesaid this manual sealed adjustable ball valve, described valve seat part outer side wall and valve body are rotatably connected and cooperation place is at least provided with a lip ring; Described lip ring is O RunddichtringO or one-way sealing seal.
In aforesaid this manual sealed adjustable ball valve, the notch of one-way sealing seal on the valve seat being located at inlet fluid passage proximate back to or all arrange back in spheroid; The notch being located at least one the one-way sealing seal on the valve seat near outlet flow channel is just arranged spheroid; This kind of sealing configuration can realize the function towards fluid upstream pressure release.
Or the notch be located at inlet fluid passage and be located at the one-way sealing seal on the valve seat near outlet flow channel back to or all arrange back to spheroid; This kind of sealing configuration can realize the function towards upstream and downstream pressure release simultaneously.
Again or the notch of at least one one-way sealing seal on the valve seat of described inlet fluid passage proximate just spheroid is arranged, the notch being located at the one-way sealing seal on the valve seat near outlet flow channel back to or all arrange back to spheroid.This kind of sealing configuration can realize the function towards downstream fluid pressure release simultaneously.
Above-mentioned sealing configuration all has the function of overpressure relief, comprise realize pressure towards upstream, the function of downstream or upstream and downstream pressure release, especially in the system of carrying for liquid gas, significantly reduce the pressure of valve cavity inside, ensure that valve body is in good working order, avoid the problem that valve inner elevated pressures causes ball valve to damage, significantly reduce potential safety hazard and extend working life of ball valve.
After adopting technical solutions according to the invention, bring following beneficial effect:
Ball valve of the present invention makes valve seat entirety move to spheroid direction by the valve seat driving mechanism of turbine and worm form, make the seal ring on valve seat and spheroid form good being sealed and matched, avoid the multiple point of adjustment of traditional regulative mode to regulate the uneven problem causing leakage; In addition, adopt this kind of regulative mode to regulate continuously, and regulated quantity is larger; Compared with traditional adjustable ball valve, the perforate on the valve body of this ball valve is less, and the intensity of valve body is higher, has higher bearing capacity, and the leak source existed is less; In addition, this ball valve also has the function of overpressure relief, the problem that the elevated pressures avoiding valve cavity inside causes ball valve to damage, and significantly reduces potential safety hazard, extends the working life of ball valve.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1: structural representation one of the present invention;
Fig. 2: structural representation two of the present invention;
Fig. 3: the sectional view of screw rod position shelf.
Wherein: 1, valve body, 2, spheroid, 3, valve seat, 4, valve rod, 5, inlet fluid passage, 6, outlet flow channel, 7, seal ring, 8, screw rod, 9, turbine, 10, nut is promoted, 11, elastic member, 12, annular protrusion, 13, mounting hole, 14, screw rod position shelf, 15, lid, 16, restraining groove, 17, positioning step, 18, cushion pad.
Embodiment
Specific embodiments of the invention one: a kind of manual sealed adjustable ball valve, as shown in Figure 1 and Figure 2, the valve rod 4 comprising valve body 1, spheroid 2, valve seat 3 and drive spheroid 2 to rotate;
Described valve body 1 is a cavity structure, and described valve body 1 is provided with the inlet fluid passage 5 and outlet flow channel 6 that are communicated with described cavity, and described spheroid 2 is located between inlet fluid passage 5 and outlet flow channel 6;
Described spheroid 2 can be rotatably set in the cavity of described valve body 1; One end injection of described valve rod 4 is in valve body 1 and be fixedly connected with spheroid 2;
Described valve seat 3 can be located at in the cavity of the valve body 1 of inlet fluid passage 5 and outlet flow channel 6 connectivity part by valve body 1 relatively slidably;
Described valve seat 3 is equipped with can the seal ring 7 at shutoff spheroid 2 inner flow passage and valve body 1 cavity connects place, be provided with the valve seat drive unit driving valve seat 3 entirety to spheroid 2 direction action between described valve body 1 and valve seat 3, described valve seat drive unit comprises axis and mutually intersects and the dirivig member coordinated.
Described valve seat drive unit comprises one can by the force transmission of valve body outside to the driving component a of valve inner with match to merge with driving component a and be located at valve body 1 cavity inside and the driving component b that indirectly can drive valve seat 3 action, described valve seat drive unit also comprises a driving component c coaxial with driving component b, and described driving component b is connected with valve seat 3 by driving component c.
Described driving component a is a screw rod 8 being arranged on valve body 1; Described driving component b be located at valve body 1 cavity in and match with screw rod 8 and the turbine 9 arranged with valve seat 3 coaxial cooperation.
Described valve body 1 is provided with installs screw rod 8 and the mounting hole 13 be connected with valve body 1 cavity, described screw rod 8 one end runs through mounting hole 13 and can be mounted opposite hole 13 rotary setting and be connected with turbine 9, for being tightly connected between described screw rod 8 and mounting hole 13.
Described turbine 9 is loop configuration, and turbine 9 madial wall is connected with valve seat 3 by driving component c, and one end of described turbine 9 and valve body 1 are rotatably connected; Described driving component c is the promotion nut 10 of a loop configuration coaxial with turbine 9, and the outer side wall of described promotion nut 10 and the madial wall of turbine 9 are that key is connected, and described promotion nut 10 madial wall is that screw-thread fit is connected with the outer side wall of valve seat 3 at least partly; One end of described promotion nut 10 is connected with valve interior wall by elastic member 11.
Described turbine 9 side is provided with and the annular protrusion 12 of one coaxial with turbine 9, and described annular protrusion 12 and turbine 9 form an annular shoulder block; Described valve body 1 internal cavities has the ledge structure coordinated with described annular shoulder block, and described shoulder block is rotatably nested with described ledge structure.
Described valve body 1 is also provided with a perforate, and described tapping envelope is provided with a lid 15, and one end of described valve rod 4 is through lid 15 and be connected with spheroid 2, is tightly connected between described valve rod 4 and lid 15 for rotatable;
Described worm screw 8 be located at there is valve rod 4 side valve body 1 on, the both sides of the screw rod toothed portion of described screw rod 8 are polished rod structure, described polished rod part is fixed by the screw rod position shelf 14 that is located at the cavity joint of perforate and valve body 1, as shown in Figure 3, described screw rod position shelf 14 has the restraining groove 16 matched with screw rod 8 and the positioning step 17 preventing turbine 9 axial float;
Described projection to be located in perforate and to be projected through a cushion pad 18 and be installed with by this on the end face of the spheroid 2 with valve rod 4 connection by the screw rod position shelf 14 spacing to screw rod 8.
Described valve seat 3 portion outboard wall and valve body 1 are rotatably connected and cooperation place is at least provided with a lip ring; Described lip ring is one-way sealing seal.
The notch being located at one-way sealing seal on the valve seat 3 near inlet fluid passage 5 back to or all arrange back in spheroid 2; The notch being located at least one the one-way sealing seal on the valve seat 3 near outlet flow channel 6 is just arranged spheroid 2.
Specific embodiments of the invention two: a kind of manual sealed adjustable ball valve, the valve rod 4 comprising valve body 1, spheroid 2, valve seat 3 and drive spheroid 2 to rotate;
Described valve body 1 is a cavity structure, and described valve body 1 is provided with the inlet fluid passage 5 and outlet flow channel 6 that are communicated with described cavity, and described spheroid 2 is located between inlet fluid passage 5 and outlet flow channel 6;
Described spheroid 2 can be rotatably set in the cavity of described valve body 1; One end injection of described valve rod 4 is in valve body 1 and be fixedly connected with spheroid 2;
Described valve seat 3 can be located at in the cavity of the valve body 1 of inlet fluid passage 5 and outlet flow channel 6 connectivity part by valve body 1 relatively slidably;
Described valve seat 3 is equipped with can the seal ring 7 at shutoff spheroid 2 inner flow passage and valve body 1 cavity connects place, be provided with the valve seat drive unit driving valve seat 3 entirety to spheroid 2 direction action between described valve body 1 and valve seat 3, described valve seat drive unit comprises axis and mutually intersects and the dirivig member coordinated.
Described valve seat drive unit comprises one can by the force transmission of valve body 1 outside to the driving component a of valve inner with match to merge with driving component a and be located at valve body 1 cavity inside and can the driving component b of Direct driver valve seat 3 action.
Described driving component a is a screw rod 8 being arranged on valve body 1; Described driving component b be located at valve body 1 cavity in and match with screw rod 8 and the turbine 9 arranged with valve seat 3 coaxial cooperation.
Described valve body 1 is provided with installs screw rod 8 and the mounting hole 13 be connected with valve body 1 cavity, described screw rod 8 one end runs through mounting hole 13 and can be mounted opposite hole 13 rotary setting and be connected with turbine 9, for being tightly connected between described screw rod 8 and mounting hole 13.
Described turbine 9 is loop configuration, and turbine 9 madial wall is directly threaded with the outer side wall of valve seat 3, and one end of described turbine 9 and valve body 1 are rotatably connected.
Described turbine 9 side is provided with and the annular protrusion 12 of one coaxial with turbine 9, and described annular protrusion 12 and turbine 9 form an annular shoulder block; Described valve body 1 internal cavities has the ledge structure coordinated with described annular shoulder block, and described shoulder block is rotatably nested with described ledge structure.
Described valve body 1 is also provided with a perforate, and described tapping envelope is provided with a lid 15, and one end of described valve rod 4 is through lid 15 and be connected with spheroid 2, is tightly connected between described valve rod 4 and lid 15 for rotatable;
Described worm screw 8 be located at there is valve rod 4 side valve body 1 on, the both sides of the screw rod toothed portion of described screw rod 8 are polished rod structure, described polished rod part is fixed by the screw rod position shelf 14 that is located at the cavity joint of perforate and valve body 1, and described screw rod position shelf 14 has the restraining groove 16 matched with screw rod 8 and the positioning step 17 preventing turbine 9 axial float;
Described projection to be located in perforate and to be projected through a cushion pad 18 and be installed with by this on the end face of the spheroid 2 with valve rod 4 connection by the screw rod position shelf 14 spacing to screw rod 8.
Described valve seat 3 portion outboard wall and valve body 1 are rotatably connected and cooperation place is at least provided with a lip ring; Described lip ring is one-way sealing seal.
The notch be located at inlet fluid passage 5 and be located at the one-way sealing seal on the valve seat 3 near outlet flow channel 6 back to or all arrange back to spheroid 2.
Specific embodiments of the invention three: a kind of manual sealed adjustable ball valve, the valve rod 4 comprising valve body 1, spheroid 2, valve seat 3 and drive spheroid 2 to rotate;
Described valve body 1 is a cavity structure, and described valve body 1 is provided with the inlet fluid passage 5 and outlet flow channel 6 that are communicated with described cavity, and described spheroid 2 is located between inlet fluid passage 5 and outlet flow channel 6;
Described spheroid 2 can be rotatably set in the cavity of described valve body 1; One end injection of described valve rod 4 is in valve body 1 and be fixedly connected with spheroid 2;
Described valve seat 3 can be located at in the cavity of the valve body 1 of inlet fluid passage 5 and outlet flow channel 6 connectivity part by valve body 1 relatively slidably;
Described valve seat 3 is equipped with can the seal ring 7 at shutoff spheroid 2 inner flow passage and valve body 1 cavity connects place, be provided with the valve seat drive unit driving valve seat 3 entirety to spheroid 2 direction action between described valve body 1 and valve seat 3, described valve seat drive unit comprises axis and mutually intersects and the dirivig member coordinated.
Described valve seat drive unit comprises one can by the force transmission of valve body outside to the driving component a of valve inner with match to merge with driving component a and be located at valve body 1 cavity inside and the driving component b that indirectly can drive valve seat 3 action, described valve seat drive unit also comprises a driving component c coaxial with driving component b, and described driving component b is connected with valve seat 3 by driving component c.
Described driving component a is a screw rod 8 being arranged on valve body 1; Described driving component b be located at valve body 1 cavity in and match with screw rod 8 and the turbine 9 arranged with valve seat 3 coaxial cooperation.
Described valve body 1 is provided with installs screw rod 8 and the mounting hole 13 be connected with valve body 1 cavity, described screw rod 8 one end runs through mounting hole 13 and can be mounted opposite hole 13 rotary setting and be connected with turbine 9, for being tightly connected between described screw rod 8 and mounting hole 13.
Described turbine 9 is loop configuration, and turbine 9 madial wall is connected with valve seat 3 by driving component c, and one end of described turbine 9 and valve body 1 are rotatably connected; Described driving component c is the promotion nut 10 of a loop configuration coaxial with turbine 9, and the outer side wall of described promotion nut 10 and the madial wall of turbine 9 are that key is connected, and described promotion nut 10 madial wall is that screw-thread fit is connected with the outer side wall of valve seat 3 at least partly; One end of described promotion nut 10 is direct or be connected with valve interior wall by elastic member 11.
Described turbine 9 side is provided with and the annular protrusion 12 of one coaxial with turbine 9, and described annular protrusion 12 and turbine 9 form an annular shoulder block; Described valve body 1 internal cavities has the ledge structure coordinated with described annular shoulder block, and described shoulder block is rotatably nested with described ledge structure.
Described valve body 1 is also provided with a perforate, and described tapping envelope is provided with a lid 15, and one end of described valve rod 4 is through lid 15 and be connected with spheroid 2, is tightly connected between described valve rod 4 and lid 15 for rotatable;
Described worm screw 8 be located at there is valve rod 4 side valve body 1 on, the both sides of the screw rod toothed portion of described screw rod 8 are polished rod structure, described polished rod part is fixed by the screw rod position shelf 14 that is located at the cavity joint of perforate and valve body 1, and described screw rod position shelf 14 has the restraining groove 16 matched with screw rod 8 and the positioning step 17 preventing turbine 9 axial float;
Described lid 15 also has one protruding, and described projection to be located in perforate and to be projected through a cushion pad 18 and be installed with by this on the end face of the spheroid 2 with valve rod 4 connection by the screw rod position shelf 14 spacing to screw rod 8.
Described valve seat 3 portion outboard wall and valve body 1 are rotatably connected and cooperation place is at least provided with a lip ring; Described lip ring is one-way sealing seal.
On valve seat 3 near described inlet fluid passage 5, the notch of at least one one-way sealing seal is just arranged spheroid 2, the notch being located at the one-way sealing seal on the valve seat 3 near outlet flow channel 6 back to or all arrange back to spheroid 2.
Specific embodiments of the invention four: a kind of manual sealed adjustable ball valve, the valve rod 4 comprising valve body 1, spheroid 2, valve seat 3 and drive spheroid 2 to rotate;
Described valve body 1 is a cavity structure, and described valve body 1 is provided with the inlet fluid passage 5 and outlet flow channel 6 that are communicated with described cavity, and described spheroid 2 is located between inlet fluid passage 5 and outlet flow channel 6;
Described spheroid 2 can be rotatably set in the cavity of described valve body 1; One end injection of described valve rod 4 is in valve body 1 and be fixedly connected with spheroid 2;
Described valve seat 3 can be located at in the cavity of the valve body 1 of inlet fluid passage 5 and outlet flow channel 6 connectivity part by valve body 1 relatively slidably;
Described valve seat 3 is equipped with can the seal ring 7 at shutoff spheroid 2 inner flow passage and valve body 1 cavity connects place, be provided with the valve seat drive unit driving valve seat 3 entirety to spheroid 2 direction action between described valve body 1 and valve seat 3, described valve seat drive unit comprises axis and mutually intersects and the dirivig member coordinated.
Described valve seat drive unit comprises one can by the force transmission of valve body outside to the driving component a of valve inner with match to merge with driving component a and be located at valve body 1 cavity inside and the driving component b that indirectly can drive valve seat 3 action, described valve seat drive unit also comprises a driving component c coaxial with driving component b, and described driving component b is connected with valve seat 3 by driving component c.
Described driving component a is a screw rod 8 being arranged on valve body 1; Described driving component b be located at valve body 1 cavity in and match with screw rod 8 and the turbine 9 arranged with valve seat 3 coaxial cooperation.
Described valve body 1 is provided with installs screw rod 8 and the mounting hole 13 be connected with valve body 1 cavity, described screw rod 8 one end runs through mounting hole 13 and can be mounted opposite hole 13 rotary setting and be connected with turbine 9, for being tightly connected between described screw rod 8 and mounting hole 13.
Described turbine 9 is loop configuration, and turbine 9 madial wall is directly connected with valve seat 3 by driving component c, and one end of described turbine 9 and valve body 1 are rotatably connected; Preferably, described driving component c is the promotion nut 10 of a loop configuration coaxial with turbine 9, the outer side wall of described promotion nut 10 and the madial wall of turbine 9 are that key is connected, and described promotion nut 10 madial wall is at least part of is that screw-thread fit is connected with the outer side wall of valve seat 3; One end of described promotion nut 10 is direct or be connected with valve interior wall by elastic member 11.
Described turbine 9 side is provided with and the annular protrusion 12 of one coaxial with turbine 9, and described annular protrusion 12 and turbine 9 form an annular shoulder block; Described valve body 1 internal cavities has the ledge structure coordinated with described annular shoulder block, and described shoulder block is rotatably nested with described ledge structure.
Described valve body 1 is also provided with a perforate, and described tapping envelope is provided with a lid 15, and one end of described valve rod 4 is through lid 15 and be connected with spheroid 2, is tightly connected between described valve rod 4 and lid 15 for rotatable;
Described worm screw 8 be located at there is valve rod 4 side valve body 1 on, the both sides of the screw rod toothed portion of described screw rod 8 are polished rod structure, described polished rod part is fixed by the screw rod position shelf 14 that is located at the cavity joint of perforate and valve body 1, and described screw rod position shelf 14 has the restraining groove 16 matched with screw rod 8 and the positioning step 17 preventing turbine 9 axial float;
Described projection to be located in perforate and to be projected through a cushion pad 18 and be installed with by this on the end face of the spheroid 2 with valve rod 4 connection by the screw rod position shelf 14 spacing to screw rod 8.
Described valve seat 3 portion outboard wall and valve body 1 are rotatably connected and cooperation place is at least provided with a lip ring; Described lip ring is O RunddichtringO.
The foregoing is only the preferred embodiment of the present invention, it should be pointed out that for the ordinary skill in the art, without departing from the principles of the present invention, can also make various deformation and improvement, this also should be considered as protection scope of the present invention.
Claims (10)
1. a manual sealed adjustable ball valve, the valve rod (4) comprising valve body (1), spheroid (2), valve seat (3) and drive spheroid (2) to rotate;
Described valve body (1) is a cavity structure, and described valve body (1) is provided with the inlet fluid passage (5) and outlet flow channel (6) that are communicated with described cavity, described spheroid (2) is located between inlet fluid passage (5) and outlet flow channel (6);
Described spheroid (2) can be rotatably set in the cavity of described valve body (1); One end injection of described valve rod (4) is in valve body (1) and be fixedly connected with spheroid (2);
Described valve seat (3) can be located at in the cavity of the valve body (1) of inlet fluid passage (5) and outlet flow channel (6) connectivity part by valve body (1) relatively slidably;
Described valve seat (3) is equipped with can the seal ring (7) at shutoff spheroid (2) inner flow passage and valve body (1) cavity connects place, it is characterized in that: be provided with between described valve body (1) and valve seat (3) and drive the overall valve seat drive unit to spheroid (2) direction action of valve seat (3), described valve seat drive unit comprises axis and mutually intersects and the dirivig member coordinated.
2. manual sealed adjustable ball valve according to claim 1, is characterized in that: described valve seat drive unit comprises one can be located at valve body (1) cavity inside and can the driving component b of Direct driver valve seat (3) action by force transmission outside for valve body (1) to the driving component a of valve inner with the driving component a merging that matches;
Or described valve seat drive unit comprises one and the force transmission of valve body outside can be located at valve body (1) cavity inside to the driving component a of valve inner with the driving component a merging that matches and indirectly can be driven the driving component b of valve seat (3) action, described valve seat drive unit also comprises a driving component c coaxial with driving component b, and described driving component b is connected with valve seat (3) by driving component c.
3. manual sealed adjustable ball valve according to claim 2, is characterized in that: described driving component a is a screw rod (8) being arranged on valve body (1); Described driving component b be located at valve body (1) cavity in and match with screw rod (8) and the turbine (9) arranged with valve seat (3) coaxial cooperation.
4. manual sealed adjustable ball valve according to claim 3, it is characterized in that: described valve body (1) is provided with installs screw rod (8) and the mounting hole (13) be connected with valve body (1) cavity, described screw rod (8) one end runs through mounting hole (13) and can be mounted opposite hole (13) rotary setting and be connected with turbine (9), for being tightly connected between described screw rod (8) and mounting hole (13).
5. manual sealed adjustable ball valve according to claim 4, it is characterized in that: described turbine (9) is loop configuration, and turbine (9) madial wall is directly threaded with the outer side wall of valve seat (3) or is connected with valve seat (3) by driving component c, and one end of described turbine (9) and valve body (1) are rotatably connected; Preferably, described driving component c is the promotion nut (10) of a loop configuration coaxial with turbine (9), outer side wall and the madial wall of turbine (9) of described promotion nut (10) are that key is connected, and described promotion nut (10) madial wall is at least part of is that screw-thread fit is connected with the outer side wall of valve seat (3); One end of described promotion nut (10) is direct or be connected with valve interior wall by elastic member (11).
6. manual sealed adjustable ball valve according to claim 5, it is characterized in that: described turbine (9) side is provided with and the annular protrusion (12) of one coaxial with turbine (9), and described annular protrusion (12) and turbine (9) form an annular shoulder block; Described valve body (1) internal cavities has the ledge structure coordinated with described annular shoulder block, and described shoulder block is rotatably nested with described ledge structure.
7. manual sealed adjustable ball valve according to claim 6, it is characterized in that: described valve body (1) is also provided with a perforate, described tapping envelope is provided with a lid (15), one end of described valve rod (4) is through lid (15) and be connected with spheroid (2), is tightly connected between described valve rod (4) and lid (15) for rotatable;
Described worm screw (8) is located to be had on the valve body (1) of valve rod (4) side, the both sides of the screw rod toothed portion of described screw rod (8) are polished rod structure, described polished rod part is fixed by the screw rod position shelf (14) that is located at the cavity joint of perforate and valve body (1), and described screw rod position shelf (14) has the restraining groove (16) matched with screw rod (8) and the positioning step (17) preventing turbine (9) axial float.
8. manual sealed adjustable ball valve according to claim 7, it is characterized in that: described lid (15) also has one protruding, described projection to be located in perforate and to be directly installed with on the end face of the spheroid (2) with valve rod (4) connection by the screw rod position shelf (14) spacing to screw rod (8) by this projection;
Or described projection to be located in perforate and to be projected through a cushion pad (18) and be installed with by this on the end face of the spheroid (2) with valve rod (4) connection by the screw rod position shelf (14) spacing to screw rod (8).
9. the manual sealed adjustable ball valve according to the arbitrary claim of claim 1-8, is characterized in that: described valve seat (3) portion outboard wall and valve body (1) are rotatably connected and cooperation place is at least provided with a lip ring; Described lip ring is O RunddichtringO or one-way sealing seal.
10. manual sealed adjustable ball valve according to claim 9, is characterized in that: the notch being located at the upper one-way sealing seal of valve seat (3) near inlet fluid passage (5) back to or all arrange back in spheroid (2); The notch being located at least one the one-way sealing seal on the valve seat (3) near outlet flow channel (6) is just arranged spheroid (2);
Or the notch be located at inlet fluid passage (5) and be located at the one-way sealing seal on the valve seat (3) near outlet flow channel (6) back to or all arrange back to spheroid (2);
The notch of at least one the one-way sealing seal upper of the valve seat (3) again or near described inlet fluid passage (5) is just arranged spheroid (2), the notch being located at the one-way sealing seal on the valve seat (3) near outlet flow channel (6) back to or all arrange back to spheroid (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460727.8A CN104235415A (en) | 2014-09-11 | 2014-09-11 | Manual sealed adjustable ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460727.8A CN104235415A (en) | 2014-09-11 | 2014-09-11 | Manual sealed adjustable ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104235415A true CN104235415A (en) | 2014-12-24 |
Family
ID=52224057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410460727.8A Pending CN104235415A (en) | 2014-09-11 | 2014-09-11 | Manual sealed adjustable ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104235415A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763875A (en) * | 2017-01-12 | 2017-05-31 | 盐城市圣泰阀门有限公司 | A kind of superhigh temperature valve |
| CN107830194A (en) * | 2017-10-24 | 2018-03-23 | 宁波天祥新华液压有限公司 | A kind of high-pressure and hydraulic ball valve easy to open |
| CN111022691A (en) * | 2019-12-05 | 2020-04-17 | 良正阀门有限公司 | Fixed ball valve and monitoring system, opening and closing method thereof and monitoring method of monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111022691A (en) * | 2019-12-05 | 2020-04-17 | 良正阀门有限公司 | Fixed ball valve and monitoring system, opening and closing method thereof and monitoring method of monitoring system |
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Application publication date: 20141224 |
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