CN103234057B - A kind of Novel high-pressure micro-torque ball valve - Google Patents
A kind of Novel high-pressure micro-torque ball valve Download PDFInfo
- Publication number
- CN103234057B CN103234057B CN201310114899.5A CN201310114899A CN103234057B CN 103234057 B CN103234057 B CN 103234057B CN 201310114899 A CN201310114899 A CN 201310114899A CN 103234057 B CN103234057 B CN 103234057B
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- push rod
- spheroid
- push
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—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
- F16K5/205—Sealing effected by the flowing medium
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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
- F16K5/0647—Spindles or actuating means
-
- 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
- F16K5/201—Special 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a kind of Novel high-pressure micro-torque ball valve, mainly comprise valve rod, connecting body, spheroid, valve seat and valve seat push-out mechanism, when described valve seat push-out mechanism comprises with pressure valve seat push-out mechanism and with no pressure time valve seat push-out mechanism; Time with pressure valve seat push-out mechanism comprise be connected with valve rod driver plate, push rod, independently one-way valve, downstream oil duct, store up and press cavity and upstream oil duct, one-way valve is installed in connecting body, storage pressure cavity passes through the communicating downstream of downstream oil duct and one-way valve, and the upstream of one-way valve is communicated with ducts upstream by upstream oil duct; Storage pressure cavity is surrounded by valve seat, storage pressure cavity pressing plate and connecting body, and storage pressure cavity pressing plate is connected with fixed plate, and push rod is installed on storage pressure cavity pressing plate and fixed plate; Spheroid is provided with push rod positioning block, push rod positioning block is provided with positioning groove, and push rod tail end is provided with location plush copper.Long service life of the present invention, good sealing effect, sphere and the prooving of valve seat few.
Description
Technical field
The present invention relates to a kind of ball valve, especially a kind of Novel high-pressure micro-torque ball valve.
Background technique
In Chinese patent application Publication Specification CN100356096C, without torque ball valve when the present inventor discloses a kind of high pressure, this ball valve comprises valve body, connecting body, spheroid, valve rod and valve seat, valve seat is provided with accumulator, accumulator is connected with oil-controlling device, oil-controlling device comprises top stem casing, the push rod be located in top stem casing, is located at the one-way valve in connecting body, oil input channel and oil road, is located at the valve seat oil duct in valve seat; The front portion of top stem casing is positioned at connecting body, and the afterbody of top stem casing is positioned at valve body; One-way valve peaks at the top of push rod; Oil road one end connects accumulator, and the other end is connected with oil input channel by one-way valve; Oil input channel is connected with valve seat oil duct, and the avris of valve rod is provided with tapered socket, and the tail end of top stem casing withstands in this tapered socket; Move along with outside top stem casing, the push rod being positioned at top stem casing also moves outward thereupon peaking at valve rod, thus promotes one-way valve opens, and the high pressure oil in accumulator promotes valve seat oppositely movement, makes valve seat depart from spheroid.
The defect of this ball valve is: one is that one-way valve and connecting body are integrated processing structure, and namely the valve body of one-way valve has used the structure of connecting body, and this not only processes, keep in repair trouble, and one-way valve is once damaged whole connecting body is all scrapped, high cost; Two is when oppositely closing, and accumulator pressure can not discharge completely, easily causes and closes not exclusively; Three be in upstream without opened by pressure ball valve time, contact because sphere and valve seat surface exist, easily causes wearing and tearing.
Summary of the invention
The object of the invention is valve and a kind of Novel high-pressure micro-torque ball valve is provided.
What the present invention solved is existing without the one-way valve in torque ball valve and connecting body be integral type structure cause processing bother, maintenance cost is high, and can not discharge and cause without unlatching during pressure the problem of sphere and valve base sealing surface wear etc. completely without accumulator pressure in torque ball valve.
The skill scheme that technical solution problem of the present invention adopts is: the present invention mainly comprises valve rod, connecting body, spheroid, valve seat and valve seat push-out mechanism, when it is characterized in that described valve seat push-out mechanism comprises with pressure valve seat push-out mechanism and with no pressure time valve seat push-out mechanism;
Described with pressure time valve seat push-out mechanism comprise be connected with valve rod driver plate, push rod, independently one-way valve, downstream oil duct, store up and press cavity and upstream oil duct, one-way valve is installed in connecting body, storage pressure cavity passes through the communicating downstream of downstream oil duct and one-way valve, and the upstream of one-way valve is communicated with ducts upstream by upstream oil duct;
Storage pressure cavity is surrounded by valve seat, storage pressure cavity pressing plate and connecting body, and storage pressure cavity pressing plate is connected with fixed plate, and push rod is installed on storage pressure cavity pressing plate and fixed plate;
Driver plate is provided with groove, push rod tail end is provided with end face, driver plate groove mates with push rod end face, push rod front end peaks at one-way valve downstream, and push rod side-to-side movement controls one-way valve and opens and closes, when push rod tail end end face falls within driver plate groove, closed check valve, push rod tail end end face departs from driver plate groove, and when being namely ejected, one-way valve is opened;
Spheroid is provided with push rod positioning block, push rod positioning block is provided with positioning groove, push rod tail end is provided with location plush copper, positioning groove mates with location plush copper, when the location plush copper of push rod afterbody falls into the positioning groove of positioning block, push rod tail end end face also falls within driver plate groove, and the spool of one-way valve is pushed back by valve spring, closed check valve.
When opening ball valve rotation valve rod, push rod first ejects in the groove of driver plate, open check valve, and valve seat and spheroid depart from, then rotation valve rod drives spheroid to open valve;
When closing ball valve, counter-rotation valve rod forwards closed position to, and valve rod positioning block engages with the position structure of push rod afterbody, and one-way valve is pushed back by valve spring, closed check valve, and ball valve is by valve base sealing.
The invention has the beneficial effects as follows: one is one-way valve absolute construction, and one-way valve of the present invention is absolute construction, and the spool of one-way valve is located in valve body, and valve body is installed in the one-way valve mounting hole of connecting body, realizes the separation structure of one-way valve and connecting body.This single independently one-way valve, not only easy to process, and install and maintenance also facilitate, drastically increase the working life of ball valve.Two is make ball valve close sealing completely, and because storage pressure cavity of the present invention is provided with micro-pressure release passage, when closed check valve, the pressure in storage pressure cavity, still by micro-pressure release passage, makes ball valve close sealing completely.Three be simultaneously in upstream without opened by pressure ball valve time, valve seat and spheroid are in disengaged position, sphere and valve seat surface contactless, effectively protect sphere and valve seat surface.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the constitutional diagram of valve seat and spheroid.
Fig. 4 is the plan view of Fig. 3.
Fig. 5 is the structural representation of driver plate.
Fig. 6 is the structural representation at the driver plate back side.
Fig. 7 is the structural representation of valve rod.
Fig. 8 is the A-A generalized section of Fig. 7.
Fig. 9 is the left view of Fig. 7.
Figure 10 is the constitutional diagram that valve rod inserts in spheroid.
Figure 11 is the structural representation of storage pressure cavity pressing plate.
Figure 12 is the A-A generalized section of Figure 11.
Figure 13 is the structural representation of positioning block.
Figure 14 is the A-A generalized section of Figure 13.
Figure 15 is the structural representation of push rod.
Figure 16 is the part section structural representation of push rod.
Figure 17 is the structural representation of one-way valve.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in the figure, the present invention includes valve rod 1, connecting body 2, spheroid 3, valve seat 4 and valve seat push-out mechanism, when it is characterized in that described valve seat push-out mechanism comprises with pressure valve seat push-out mechanism and with no pressure time valve seat push-out mechanism;
Described with pressure time valve seat push-out mechanism comprise be connected with valve rod driver plate 5, push rod 6, independently one-way valve 7, downstream oil duct 9, store up and press cavity 8 and upstream oil duct, one-way valve 7 is installed in connecting body 2, storage pressure cavity 8 is by the communicating downstream of downstream oil duct 9 with one-way valve 7, and the upstream of one-way valve 7 is communicated with ducts upstream by upstream oil duct 10.Described one-way valve 7 is made up of valve body 72 and spool 71, and described spool 71 is located in valve body 72.
Storage pressure cavity 8 is surrounded by valve seat 4, storage pressure cavity pressing plate 11 and connecting body 2, and storage pressure cavity pressing plate 11 is connected with fixed plate 12, and push rod 6 is installed on storage pressure cavity pressing plate 11 and fixed plate 12;
Driver plate 5 is provided with groove, push rod 6 tail end is provided with end face 61, driver plate groove mates with push rod end face 61, push rod front end 62 peaks at one-way valve downstream, and push rod 6 side-to-side movement controls one-way valve 7 and opens and closes, when push rod tail end end face 61 falls within driver plate groove, one-way valve 7 is closed, push rod tail end end face 61 departs from driver plate groove, and when being namely ejected, one-way valve 7 is opened.
Spheroid 3 is provided with push rod positioning block 13, push rod positioning block 13 is provided with positioning groove 131, push rod 6 tail end is provided with location plush copper 63, positioning groove 131 mates with location plush copper 63, when the location plush copper 63 of push rod afterbody falls into the positioning groove 131 of positioning block 13, push rod tail end end face 61 also falls within driver plate groove, and the spool 71 of one-way valve 7 is pushed back by valve spring 14, and one-way valve 7 is closed.
Described with no pressure time valve seat push-out mechanism comprise the ring-shaped step 31 be located on spheroid 3, be located at the oblique recess 32 on ring-shaped step 31, the oblique boss 41 be located on valve seat 4 outer shroud end face, be located at spring 15 between valve seat 4 and connecting body 2, be located at the seal ring 16 of valve seat 4 outer shroud, oblique recess 32 and oblique boss 41 mate; Under ball valve closed condition, the oblique boss 41 of valve seat 4 outer shroud end face falls in oblique recess 32, and valve seat insert 16 and spheroid 3 are fitted, and valve closing seals; When rotating sphere 3 opens valve, the oblique boss of valve seat 41 leaves the oblique recess 32 of spheroid, and valve seat 4 is backed down, and valve seat insert 16 and spheroid 3 depart from.
Described driver plate 5 is circular plate, and the central authorities of driver plate 5 are square opening 53, and limit, driver plate 5 outer ring is provided with symmetrical oblique groove 51, oblique groove 52.Spheroid about 3 two end is placed in fixed plate 12.Storage pressure cavity pressing plate 11 is provided with micro-pressure release through hole 19, and this micro-pressure release through hole 19 is communicated with oil storage cavity 8.The cross-section area 18 of storage pressure cavity 8 is greater than valve seat insert sectional area 17.Described valve rod 1 top is provided with square faucet section 115, and square faucet section 115 is mated with the square jack 53 of driver plate 5 and clamped.Described spheroid 3 upper end is provided with square recess 22, and valve rod 1 top is provided with square linkage section 122, and this square linkage section 122 inserts in the square recess 22 on spheroid 3 top, an inclined-plane has been cut in four faces of described square linkage section 122 respectively, be respectively inclined-plane 132, inclined-plane 133, inclined-plane 134, inclined-plane 135, after in the square recess 22 that this inclined-plane makes valve stem tip insert in spheroid 3 top, certain running clearance 311 is left between valve rod 1 and spheroid 3, while this gap 311 ensure that valve rod 1 continues to rotate (spheroid does not rotate) in several angle, driving driver plate 5 to rotate makes push rod 6 eject from oblique groove driver plate 5, and then back down one-way valve 7, valve seat 4 is made to pushed away from spheroid 3, after valve seat 4 pushed away from spheroid 3, valve rod 1 end has turned to gapless between valve stem end and spheroid recess to be existed, at this moment be rotated further valve rod 1 more just can drive spheroid 3 to rotate under micro-torque condition, easily open valve,
Working principle of the present invention is:
One, ball valve is opened: the valve rod on rotation ball valve is to several angle, and when normally 1-5 spends, the driver plate be arranged on valve rod and then rotates 1-5 degree, and the push rod simultaneously fallen within the oblique groove of driver plate is ejected oblique groove, promotes push rod and backs down one-way valve.
Open one-way valve, when after one-way valve opens, the pressure of valve downstream enters in storage pressure cavity by one-way valve, because storage pressure cavity design sectional area is greater than the sectional area of sealing surface of seat, automatically will release when storing up valve seat when the pressure in pressure cavity equals upstream pressure, valve seat is separated with spheroid.
Valve rod is when forwarding 5 degree to, and square section of valve rod touches spheroid, at this moment because sealing surface of seat departs from spheroid, so can open ball valve by ease rotation valve rod 90-degree rotation under without moment of torsion or micro-torque condition.
Two, ball valve is closed: rotate backward the valve rod on ball valve, make the location plush copper of push rod afterbody fall in the positioning groove of positioning block, meanwhile, push rod tail end end face also falls within driver plate groove, at this moment the spool of one-way valve is pushed back by valve spring, closed check valve, and ball valve is also closed.
Three, without opened by pressure ball valve: when will open ball valve in upstream without pressure, one when starting rotating sphere, and valve seat is just backed down, and spheroid and sealing surface of seat, without directly contacting, when to reach in upstream without opened by pressure ball valve, protect the effect of sphere and valve seat surface.
Claims (2)
1. micro-torque ball valve during high pressure, mainly comprises valve rod, connecting body, spheroid, valve seat and valve seat push-out mechanism, when it is characterized in that described valve seat push-out mechanism comprises with pressure valve seat push-out mechanism and with no pressure time valve seat push-out mechanism;
Described with pressure time valve seat push-out mechanism comprise be connected with valve rod driver plate, push rod, independently one-way valve, downstream oil duct, store up and press cavity and upstream oil duct, one-way valve is installed in connecting body, storage pressure cavity passes through the communicating downstream of downstream oil duct and one-way valve, and the upstream of one-way valve is communicated with ducts upstream by upstream oil duct; Described one-way valve is made up of valve body and spool, and described spool is located in valve body;
Storage pressure cavity is surrounded by valve seat, storage pressure cavity pressing plate and connecting body, and storage pressure cavity pressing plate is connected with fixed plate, and push rod is installed on storage pressure cavity pressing plate and fixed plate;
Driver plate is provided with groove, and described groove is the oblique groove of the symmetry be located on limit, driver plate outer ring; Push rod tail end is provided with end face, driver plate groove mates with push rod end face, push rod front end peaks at one-way valve downstream, push rod side-to-side movement controls one-way valve and opens and closes, when push rod tail end end face falls within driver plate groove, closed check valve, push rod tail end end face departs from driver plate groove, when being namely ejected, one-way valve is opened;
Spheroid is provided with push rod positioning block, push rod positioning block is provided with positioning groove, push rod tail end is provided with location plush copper, positioning groove mates with location plush copper, when the location plush copper of push rod tail end falls into the positioning groove of positioning block, push rod tail end end face also falls within driver plate groove, and the spool of one-way valve is pushed back by valve spring, closed check valve;
Described with no pressure time valve seat push-out mechanism comprise the ring-shaped step be located on spheroid, the oblique recess be located on ring-shaped step, the oblique boss be located on valve seat outer shroud end face, the seal ring being located at spring between valve seat and connecting body, being located at valve seat outer shroud, oblique recess and oblique boss coupling; Under ball valve closed condition, the oblique boss of valve seat outer shroud end face falls in oblique recess, and valve seat insert and spheroid are fitted, and valve closing seals; When rotating sphere opens valve, the oblique boss of valve seat leaves the oblique recess of spheroid, and valve seat is backed down, and valve seat insert and spheroid depart from;
Described driver plate is circular plate, and the central authorities of driver plate are square jack, and upper and lower two ends of spheroid are placed in fixed plate; Storage pressure cavity pressing plate is provided with micro-pressure release through hole, and this micro-pressure release through hole presses cavity to be communicated with storage; The cross-section area of storage pressure cavity is greater than valve seat insert sectional area.
2. micro-torque ball valve during a kind of high pressure according to claim 1, it is characterized in that valve stem tip is provided with square faucet section, driver plate central authorities are provided with square jack, and square faucet section is mated with the square jack of driver plate and clamped;
Spheroid upper end is provided with square recess, and valve stem tip is provided with square linkage section, and this square linkage section inserts in the square recess of spheroid upper end, an inclined-plane has been cut in four faces of described square linkage section respectively, after in the square recess that this inclined-plane makes valve stem tip insert in spheroid upper end, certain running clearance is left between valve rod and spheroid, while this gap ensure that valve rod continues to rotate in several angle, driving driver plate to rotate makes push rod oblique groove from driver plate eject, and then back down one-way valve, valve seat is made to pushed away from spheroid, after valve seat pushed away from spheroid, valve stem tip has turned to gapless between valve stem tip and square recess to be existed, at this moment be rotated further valve rod more just can drive spheroid to rotate under micro-torque condition, easily open valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114899.5A CN103234057B (en) | 2013-04-04 | 2013-04-04 | A kind of Novel high-pressure micro-torque ball valve |
| PCT/CN2013/074087 WO2014161207A1 (en) | 2013-04-04 | 2013-04-11 | New high-pressure micro-torque ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114899.5A CN103234057B (en) | 2013-04-04 | 2013-04-04 | A kind of Novel high-pressure micro-torque ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103234057A CN103234057A (en) | 2013-08-07 |
| CN103234057B true CN103234057B (en) | 2015-09-16 |
Family
ID=48882109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310114899.5A Expired - Fee Related CN103234057B (en) | 2013-04-04 | 2013-04-04 | A kind of Novel high-pressure micro-torque ball valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103234057B (en) |
| WO (1) | WO2014161207A1 (en) |
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| CN108644405A (en) * | 2018-07-06 | 2018-10-12 | 温州金汇力阀门有限公司 | A kind of high pressure seals diclinic degree ball valve firmly |
| CN110762231A (en) * | 2018-07-25 | 2020-02-07 | 自贡新比隆阀门有限公司 | Double-seal butterfly valve |
| CN110939753A (en) * | 2018-09-25 | 2020-03-31 | 江苏三益石油装备有限公司 | Hard sealing ball valve |
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| CN112303277B (en) * | 2020-11-23 | 2021-10-08 | 成都威登阀门技术有限公司 | Low-temperature fixed ball valve |
| CN112648415B (en) * | 2020-12-15 | 2023-10-13 | 安徽银通物联有限公司 | One-way ball valve for controlling water flow |
| CN113983194A (en) * | 2021-10-18 | 2022-01-28 | 上海沪东造船阀门有限公司 | Ball valve for dual-fuel diesel engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4174090A (en) * | 1976-12-28 | 1979-11-13 | Nelimarkka Juha Antti Elia | Ball valve with spindle, having parallelepiped-bearing block joint portions |
| SU1041784A2 (en) * | 1982-04-07 | 1983-09-15 | Северо-Западный Заочный Политехнический Институт | Locking device |
| JPS6127375A (en) * | 1984-07-18 | 1986-02-06 | Dengiyoushiya Kikai Seisakusho:Kk | Ball valve |
| JPS6415575A (en) * | 1987-07-07 | 1989-01-19 | Kubota Ltd | Ball valve |
| CN1073247A (en) * | 1991-12-14 | 1993-06-16 | 中国人民解放军后勤工程学院 | Swing ball low moment ball valve |
| CN2564816Y (en) * | 2002-08-23 | 2003-08-06 | 杨鸣 | Handy-to-open ball valve for controlling high-flow gas |
| CN1757959A (en) * | 2005-11-10 | 2006-04-12 | 邱金全 | High pressure non-torque ball valve |
| CN201090773Y (en) * | 2007-08-03 | 2008-07-23 | 邱金全 | Secondary seal ball valve |
| WO2009026737A1 (en) * | 2007-08-24 | 2009-03-05 | Fan, Fandy | Fixed ball valve |
| CN202520983U (en) * | 2012-04-12 | 2012-11-07 | 上海浦东汉威阀门有限公司 | Opening valve seat type ball valve |
| CN203202281U (en) * | 2013-04-04 | 2013-09-18 | 邱金全 | Novel micro torque ball valve under high pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014161207A1 (en) | 2014-10-09 |
| CN103234057A (en) | 2013-08-07 |
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