CN108679258A - A kind of regulation ball valve - Google Patents
A kind of regulation ball valve Download PDFInfo
- Publication number
- CN108679258A CN108679258A CN201810931254.3A CN201810931254A CN108679258A CN 108679258 A CN108679258 A CN 108679258A CN 201810931254 A CN201810931254 A CN 201810931254A CN 108679258 A CN108679258 A CN 108679258A
- Authority
- CN
- China
- Prior art keywords
- sphere
- valve rod
- hole
- valve
- shaft hole
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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
- F16K5/06—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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in 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
- F16K5/06—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
- F16K5/12—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to a kind of regulation ball valves, including valve body, valve seat, sphere, valve rod, holder, it is characterised in that：Regulating valve is set in the circular flow channel of sphere, the regulating valve includes a round flap, the circle flap is mounted in sphere circular flow channel, valve rod lower end passes through the axis hole of sphere upper end to cooperate with round flap upper end keyway and connects, and locating shaft is equipped between round flap lower end and sphere circular flow channel bottom；The axis hole of sphere upper end is made of upper shaft hole, central axis hole and lower shaft hole, wherein shaft hole diameter is more than upper shaft hole diameter, upper shaft hole diameter is more than lower axle bore dia, between valve rod periphery and upper shaft hole with key, slot, dynamic sealing coordinates between lower shaft hole, there is radial step on the valve rod in central axis hole, spring is set between the radial direction step and central axis hole bottom surface.Sphere and valve seat are without friction during flow-rate adjustment.Have the characteristics that Torque-adjusting is small, degree of regulation is high, long product lifecycle.
Description
Technical field
The invention belongs to valve fields, more particularly, to a kind of regulation ball valve.
Background technology
Existing ball valve includes mainly valve body, valve seat, sphere and upper valve rod, and sphere is placed in body cavity, be equipped in sphere with
The runner that body cavity communicates, valve seat complement each other to form sealing with outer surface of spheroid, and sphere is driven by valve rod and around stem shaft
Line makees 90 degree of rotary motions, realizes the open and close of sphere and valve seat, its shortcoming is that：When ball valve is used as flow is adjusted
When, multiple rotary sphere is needed, causes repeatedly to rub between sphere and valve seat, valve seat is easy by friction damage, service life
It is short；In addition during being adjusted by spinning ball, since the frictional force between sphere and valve seat is larger, valve when adjusting
Torque needed for bar is larger, can not be precisely controlled flow, and degree of regulation is low.
Invention content
The purpose of the present invention is being directed to disadvantage of the existing technology, provide that a kind of adjusting operational torque is small, degree of regulation
High, adjustment process sealing surface of seat is without abrasion, regulation ball valve with long service life.
Technical scheme of the present invention includes valve body, valve seat, sphere, valve rod, holder, and valve body middle part upper end is equipped with connecting flange
And packing groove, valve rod lower end are connect with sphere, valve rod upper end is connect across packing groove with driving device on holder is fixedly mounted on,
Installation filler is compressed by gland between packing groove and valve rod periphery, sphere is placed in body cavity, round stream is equipped in sphere
Road, in body cavity, valve seat is equipped with the sealing surface of seat that sealing is formed with the spherical surface of sphere for valve seat setting, it is characterised in that：
Regulating valve is set in the circular flow channel of sphere, which includes a round flap, which is mounted on sphere circle stream
In road, valve rod lower end passes through the axis hole of sphere upper end to cooperate with round flap upper end key-slot and connects, round flap lower end with
Locating shaft is equipped between sphere circular flow channel bottom；The axis hole of sphere upper end is made of upper shaft hole, central axis hole and lower shaft hole, wherein
Shaft hole diameter is more than upper shaft hole diameter, and upper shaft hole diameter is more than lower axle bore dia, connection axis is formed in the inner hole wall of upper shaft hole
The axial keyway in hole, valve rod periphery are fixed with and the mutually matched axial flat key of the axial keyway, valve rod lower end periphery
Dynamic sealing coordinates between lower shaft hole inner wall, and being located on the valve rod in central axis hole has radial step, in the radial direction step in
Spring is arranged between bottom surface in axis hole；Under spring extended configuration, the axial flat key on valve rod is located at the axial direction of upper shaft hole inner hole wall
In keyway, under spring-compressed state, the axial flat key on valve rod is located at central axis hole inner cavity, and the axial flat key on valve rod is located at
When in the axial keyway of upper shaft hole inner hole wall, round flap center line is mutually perpendicular to sphere circular flow channel center line.
Preferably, clearance fit between round flap periphery and sphere circular flow channel inner hole wall, above and below round flap
Axis hole is respectively set in both ends, and axial groove, valve rod lower end is arranged with the dynamic cooperation of locating shaft, the inner hole wall of upper end axis hole in lower end axis hole
Setting and the mutually matched axial bond of the axial groove.
Preferably, spring uses disc spring.
Preferably, thrust bearing is installed in the valve rod hole inner wall close to body cavity, valve rod is equipped with radial convex shoulder, the diameter
It is contacted to convex shoulder with thrust bearing lower face under spring extended configuration.
It is an advantage of the invention that regulating valve is arranged in the circular flow channel of sphere, need to adjust flow in valve wide open
When, pressure valve rod makes spring-compressed, and the axial keyway that the axial flat key on valve rod is detached from upper shaft hole inner wall enters central axis hole inner cavity,
Valve rod is set to be disconnected with sphere, when rotary valve rod, drives, and round flap rotation adjusts the circulation area of sphere circular flow channel,
Realize adjusting to flow, in adjustment process sphere with valve seat without friction.It is small with Torque-adjusting, degree of regulation is high, product makes
The features such as with long lifespan.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
Regulation ball valve as shown in Figure 1, including valve body 1, valve seat 2, sphere 3, valve rod 6, holder 9,1 middle part upper end of valve body are set
There are connecting flange and packing groove, 6 lower end of valve rod to be connect with sphere 3,6 upper end of valve rod passes through packing groove and is fixedly mounted on holder 9
On driving device connection, installation filler 7 is compressed by gland 8 between 6 periphery of packing groove and valve rod, sphere 3 is placed in valve body 1
Inner cavity, sphere 3 is interior to be equipped with circular flow channel, and for the setting of valve seat 2 in 1 inner cavity of valve body, valve seat 2 is equipped with forms sealing with the spherical surface of sphere 3
Sealing surface of seat；It is characterized in that：Regulating valve is set in the circular flow channel of sphere 3, which includes a round flap
5, which is mounted in the circular flow channel of sphere 3, and 3 upper end center of sphere is formed with the axis hole concentric with valve rod 6, valve rod 6
Lower end passes through the axis hole to cooperate with round 5 upper end key of flap-slot and connects, i.e., in 6 periphery upper edge its axis direction of valve rod
Set key, the slot of setting and the dynamic cooperation of key on valve rod 6, makes valve rod 6 on round flap 5 in the hole of 5 upper end of round flap
Axial in the hole at end to move, radially fixed connection, valve rod 6 can drive round flap 5 to rotate, and can also use in valve rod
Slot processed cooperates with the key in 5 upper end hole of round flap on 6 lower end peripheries, 5 lower end of round flap and 3 circular flow channel of sphere
Locating shaft 4 is equipped between bottom, locating shaft 4 and valve rod 6 are concentric；The axis hole of 3 upper end of sphere is by upper shaft hole, central axis hole and lower shaft hole
Composition, axis bore dia are more than upper shaft hole diameter, and upper shaft hole diameter is more than lower axle bore dia, company is formed in the inner hole wall of upper shaft hole
The axial keyway of logical central axis hole, 6 periphery of valve rod be fixed with the mutually matched axial flat key 10 of the axial keyway, make valve rod
6 can move axially in the axis hole of 3 upper end of sphere, radially fixed connection, between 6 lower end periphery of valve rod and lower shaft hole inner wall
Dynamic sealing coordinates, and being located on the valve rod 6 in central axis hole has radial step, which is equal to upper shaft hole
Spring 11 is arranged in radial difference between lower shaft hole between the radial direction step and central axis hole bottom surface；In 11 stretch-like of spring
Under state, the axial flat key 10 on valve rod 6 is located in the axial keyway of upper shaft hole inner hole wall, and sphere 3 and circle are driven when valve rod 6 rotates
Shape flap 5 rotates simultaneously, and under 11 compressive state of spring, the axial flat key on valve rod 6 is located at central axis hole inner cavity, and valve rod 6 rotates
When drive round flap 5 to rotate, and sphere 3 remains stationary as, when carrying out flow-rate adjustment, by driving device band after the pushing of valve rod 6
Ovable valve stem 6, round flap 5 rotate, and sphere 3 is shown in a fully open operation, and the axial flat key on valve rod 6 is located at upper shaft hole inner hole wall
Axial keyway in when, 5 center line of round flap is mutually perpendicular to 3 circular flow channel center line of sphere.
Clearance fit between 3 circular flow channel inner hole wall of 5 periphery of round flap and sphere, in 5 upper and lower ends of round flap
Axis hole, lower end axis hole and the dynamic cooperation of locating shaft 4, inner hole wall setting axial groove and 6 lower end of valve rod of upper end axis hole is respectively set
Axial bond cooperate.
Spring 11 uses disc spring, and upward thrust is generated to valve rod 6.
Thrust bearing 13 is installed in the valve rod hole inner wall close to 1 inner cavity of valve body, valve rod is equipped with radial convex shoulder 12, the radial direction
Convex shoulder 12 contacts under 11 extended configuration of spring with 13 lower face of thrust bearing, prevents valve rod 6 from being released upwards by when pressure medium.
Claims (4)
1. a kind of regulation ball valve, including valve body（1）, valve seat（2）, sphere（3）, valve rod（6）, holder（9）, sphere（3）Inside it is equipped with
Circular flow channel, valve seat（2）It is equipped with and sphere（3）Spherical surface formed sealing sealing surface of seat；It is characterized in that：In sphere（3）
Circular flow channel in regulating valve is set, which includes a round flap（5）, the circle flap（5）Mounted on sphere（3）'s
In circular flow channel, sphere（3）Upper end center is formed with and valve rod（6）Concentric axis hole, valve rod（6）Lower end passes through the axis hole and circle
Flap（5）Upper end key-slot, which cooperates, to be connected, round flap（5）Lower end and sphere（3）Positioning is equipped between circular flow channel bottom
Axis（4）, locating shaft（4）With valve rod（6）With one heart；Sphere（3）The axis hole of upper end is made of upper shaft hole, central axis hole and lower shaft hole, in
Shaft hole diameter is more than upper shaft hole diameter, and upper shaft hole diameter is more than lower axle bore dia, connection axis is formed in the inner hole wall of upper shaft hole
The axial keyway in hole, valve rod（6）Periphery is fixed with and the mutually matched axial flat key of the axial keyway（10）, valve rod（6）
Dynamic sealing coordinates between lower end periphery and lower shaft hole inner wall, the valve rod being located in central axis hole（6）It is upper that there is radial step, at this
Spring is set between radial step and central axis hole bottom surface（11）；In spring（11）Under extended configuration, valve rod（6）On axial flat key
（10）In the axial keyway of upper shaft hole inner hole wall, in spring（11）Under compressive state, valve rod（6）On axial flat key be located at
Central axis hole inner cavity, in valve rod（6）On axial flat key when being located in the axial keyway of upper shaft hole inner hole wall, round flap（5）In
Heart line and sphere（3）Circular flow channel center line is mutually perpendicular to.
2. regulation ball valve according to claim 1, it is characterized in that round flap（5）Periphery and sphere（3）Circular flow channel
Clearance fit between inner hole wall, in round flap（5）Axis hole, lower end axis hole and locating shaft is respectively set in upper and lower ends（4）It is dynamic
Cooperation, the inner hole wall setting axial groove and valve rod of upper end axis hole（6）The axial bond of lower end cooperates.
3. regulation ball valve according to claim 1 or 2, it is characterized in that spring（11）Using disc spring.
4. regulation ball valve according to claim 1 or 2, it is characterized in that close to valve body（1）The valve rod hole inner wall of inner cavity is pacified
Fill thrust bearing（13）, valve rod（6）It is equipped with radial convex shoulder（12）, the radial direction convex shoulder（12）In spring（11）Under extended configuration with
Thrust bearing（13）Lower face contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931254.3A CN108679258A (en) | 2018-08-15 | 2018-08-15 | A kind of regulation ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931254.3A CN108679258A (en) | 2018-08-15 | 2018-08-15 | A kind of regulation ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679258A true CN108679258A (en) | 2018-10-19 |
Family
ID=63816240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810931254.3A Withdrawn CN108679258A (en) | 2018-08-15 | 2018-08-15 | A kind of regulation ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679258A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113229A (en) * | 1974-10-18 | 1978-09-12 | Katsuji Fujiwara | Spherical valve assembly |
| JPH0231979U (en) * | 1988-08-22 | 1990-02-28 | ||
| CN2160800Y (en) * | 1992-12-25 | 1994-04-06 | 丁前凯 | Internal by-pass device for sluice valve |
| CN2201543Y (en) * | 1994-05-23 | 1995-06-21 | 李荣森 | Mixing valve |
| CN2399571Y (en) * | 1999-11-10 | 2000-10-04 | 湖南省益阳专利技术开发研究中心 | Ball valve electric actuator |
| CN201723770U (en) * | 2010-07-26 | 2011-01-26 | 苏州工业园区思达德阀门有限公司 | Three-way ball valve |
| CN207648189U (en) * | 2017-12-29 | 2018-07-24 | 浙江天特阀门有限公司 | Cut-out adjusts double-purpose ball valve |
| CN208651686U (en) * | 2018-08-15 | 2019-03-26 | 永一阀门集团有限公司 | A kind of regulation ball valve |
-
2018
- 2018-08-15 CN CN201810931254.3A patent/CN108679258A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113229A (en) * | 1974-10-18 | 1978-09-12 | Katsuji Fujiwara | Spherical valve assembly |
| JPH0231979U (en) * | 1988-08-22 | 1990-02-28 | ||
| CN2160800Y (en) * | 1992-12-25 | 1994-04-06 | 丁前凯 | Internal by-pass device for sluice valve |
| CN2201543Y (en) * | 1994-05-23 | 1995-06-21 | 李荣森 | Mixing valve |
| CN2399571Y (en) * | 1999-11-10 | 2000-10-04 | 湖南省益阳专利技术开发研究中心 | Ball valve electric actuator |
| CN201723770U (en) * | 2010-07-26 | 2011-01-26 | 苏州工业园区思达德阀门有限公司 | Three-way ball valve |
| CN207648189U (en) * | 2017-12-29 | 2018-07-24 | 浙江天特阀门有限公司 | Cut-out adjusts double-purpose ball valve |
| CN208651686U (en) * | 2018-08-15 | 2019-03-26 | 永一阀门集团有限公司 | A kind of regulation ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208651686U (en) | A kind of regulation ball valve | |
| CN108679258A (en) | A kind of regulation ball valve | |
| CN109139967B (en) | Metal hard sealing spherical valve | |
| CN110425297B (en) | High adjustable ratio cock regulating valve | |
| CN100523517C (en) | Non-leakage water pump sealing element | |
| CN105221871A (en) | A kind of rotating sealing device for ransaxle | |
| CN207648189U (en) | Cut-out adjusts double-purpose ball valve | |
| CN112361006A (en) | Dual-drive cam ball valve | |
| CN107763241A (en) | The universal automatic compensation valve seat side valve cap-type valve of Bidirectional pressure | |
| CN205918936U (en) | Ball valve | |
| CN112253787A (en) | High-frequency wear-resistant ball valve | |
| CN205918937U (en) | Ball valve that leakproofness is strong | |
| CN107781446B (en) | Two-way pressure universal automatic compensation seat snap ring pressure plate valve | |
| CN201651349U (en) | Butterfly valve with fully-bushed valve rod | |
| CN219692335U (en) | Y-shaped three-way ball valve | |
| CN206017492U (en) | Adjustable disk-type brake | |
| CN208041142U (en) | A kind of mechanically-sealing apparatus applied to high-capacity pump | |
| CN201225413Y (en) | Ball valve | |
| CN209180412U (en) | A kind of high pressure hard sealing ball valve | |
| CN115978221B (en) | Hard sealing fixed ball valve for polysilicon medium | |
| CN114382820A (en) | Double-shaft independently controllable actuator based on magnetorheological glue | |
| CN210265967U (en) | Top-mounted ball valve capable of adjusting pretightening force | |
| CN208237124U (en) | Single valve seat two-way sealing semisphere valve | |
| CN205918931U (en) | Ball valve | |
| CN223049454U (en) | A wear-resistant brass ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181019 |