CN108533782B - Spherical static balance valve - Google Patents
Spherical static balance valve Download PDFInfo
- Publication number
- CN108533782B CN108533782B CN201810424965.1A CN201810424965A CN108533782B CN 108533782 B CN108533782 B CN 108533782B CN 201810424965 A CN201810424965 A CN 201810424965A CN 108533782 B CN108533782 B CN 108533782B
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- Prior art keywords
- sleeve
- ball
- valve
- valve body
- left sleeve
- Prior art date
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- 230000003068 static effect Effects 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Classifications
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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
- F16K5/0605—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
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
-
- 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
- F16K5/10—Means for additional adjustment of the rate of flow
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a spherical static balance valve, which comprises a valve body, an adjusting ball, a left sleeve, a right sleeve, a shaft sleeve and a valve rod, wherein the left sleeve and the right sleeve are respectively fixed on two sides of the valve body, the right side of the left sleeve and the left side of the right sleeve extend into the inner side of the valve body, the adjusting ball can be horizontally and rotatably arranged between a port of the left sleeve and a port of the right sleeve, ball pads are arranged at the ports of the left sleeve and the right sleeve in a matched manner, the shaft sleeve is arranged at the top of the valve body, the valve rod can rotatably penetrate through the shaft sleeve, and the bottom of the valve rod is connected with the top of the adjusting ball. When the ball valve is in the fully-opened state, the arrangement of the lower channel, the water passing cavity and the flow compensation hole structure plays a certain role in diversion, so that the liquid in the ball valve in the fully-opened state flows more stably, and the circulation capacity in the fully-opened state is improved.
Description
Technical Field
The invention relates to the technical field of ball valves, in particular to a spherical static balance valve.
Background
The earliest ball valve generally has only opening and closing functions, and later, in order to meet the use requirement, the ball valve with the adjusting function appears, and the existing ball valve with the adjusting function is a common V-shaped adjusting ball valve, however, the V-shaped adjusting ball valve has the defects of poor flow adjusting curve and inaccurate control due to the self structural design, and when the ball valve is adjusted to a fully opened state, the flow resistance is very high due to the arrangement mode of an opening on the adjusting ball, so that the flow resistance is reduced as much as possible in the fully opened state, and the flow capacity is improved.
Disclosure of Invention
The invention aims to avoid the defects of the prior art and provide the spherical static balance valve, thereby effectively solving the defects in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the spherical static balance valve comprises a valve body, an adjusting ball, a left sleeve, a right sleeve, a shaft sleeve and a valve rod, wherein the left sleeve and the right sleeve are respectively fixed on two sides of the valve body, the right side of the left sleeve and the left side of the right sleeve extend into the inner side of the valve body, the adjusting ball can be horizontally and rotatably arranged between a port of the left sleeve and a port of the right sleeve, ball pads are arranged at the ports of the left sleeve and the port of the right sleeve in a matching manner, the shaft sleeve is arranged at the top of the valve body, and the valve rod rotatably penetrates through the shaft sleeve and is connected with the top of the adjusting ball;
the regulating ball is of a hollow ball structure, a circular channel is arranged on the left side of the regulating ball, a W-shaped channel is arranged on the right side of the regulating ball, the W-shaped channel is of a W shape rotating 90 degrees clockwise, a lower channel is arranged at the bottom of the regulating ball, and a water cavity is formed by enclosing an inner cavity of the valve body, a part of the left sleeve extending into the valve body, a part of the right sleeve extending into the valve body and the regulating ball;
the part of the left sleeve pipe extending into the valve body is provided with a flow compensation hole, and the flow compensation hole, the water passing cavity and the lower channel are communicated;
the cross-sectional area of the circular channel is larger than that of the W-shaped channel;
the right sleeve is a liquid inflow pipe, and the left sleeve is a liquid outflow pipe.
Further, the sum of the cross-sectional area of the flow compensation orifice and the cross-sectional area of the W-shaped channel is equal to the cross-sectional area of the circular channel.
Further, the flow compensation holes are uniformly formed in a plurality of positions along the circumferential direction of the left sleeve.
Further, the water passing cavity is cylindrical, and the left sleeve pipe and the water passing cavity are coaxially arranged.
Further, the W-shaped channel comprises a semicircular structure arranged on the left side, a conical structure arranged on the right side and arc-shaped structures arranged on the upper side and the lower side of the right side of the semicircular structure, wherein the right end of the conical structure adopts arc angle transition, the conical structure and the semicircular structure are in arc angle transition, and the arc-shaped structures are arranged on a midright line of a connecting line of the left side edge of the semicircular structure and the right side edge of the conical structure
Further, the left sleeve and the right sleeve are respectively provided with a pressure detection structure, and the pressure detection structures comprise connectors arranged on the left sleeve and the right sleeve and test nozzles arranged on the connectors.
Further, the shaft sleeve is fixedly provided with a lock sleeve, the center of the lock sleeve is provided with a through hole which is vertically penetrated, a lock cylinder is detachably arranged in the through hole, and the lock cylinder seals the valve rod on the inner side.
Further, a dial is arranged on the top surface of the lock sleeve.
The technical scheme of the invention has the following beneficial effects: when the ball valve is in a fully-opened state, one part of liquid flows into the left sleeve from the W-shaped channel, the other part of liquid flows out from the lower channel, flows into the water passing cavity, and flows into the left sleeve through the flow compensation hole, and the lower channel, the water passing cavity and the flow compensation hole structure are arranged to play a certain role in diversion, so that the liquid in the ball valve in the fully-opened state flows more stably, and the flow capacity of the fully-opened state is improved; by means of the matching mode of the W-shaped channel and the circular channel, the flow characteristic curve is very close to the equal percentage of one adjustment when the flow is adjusted, and the adjustment is convenient and stable.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic perspective view of an adjusting ball according to an embodiment of the present invention;
FIG. 4 is a schematic diagram showing a three-dimensional structure of an adjusting ball according to an embodiment of the present invention;
FIG. 5 is a schematic plan view of an embodiment of the present invention;
FIG. 6 is a schematic outline view of a W-shaped channel according to an embodiment of the present invention;
FIG. 7 is a schematic view of a bottom view of an embodiment of the present invention;
FIG. 8 is a flow chart illustrating an embodiment of the present invention;
FIG. 9 is a schematic perspective view of a rotary connector according to an embodiment of the present invention;
fig. 10 is a schematic perspective view of a rotary connector according to a second embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-8, the spherical static balance valve according to this embodiment includes a valve body 1, an adjusting ball 2, a left sleeve 3, a right sleeve 4, a shaft sleeve 5 and a valve rod 6, wherein the left sleeve 3 and the right sleeve 4 are respectively fixed on two sides of the valve body 1, the right side of the left sleeve 3 and the left side of the right sleeve 4 extend into the inner side of the valve body 1, the adjusting ball 2 is horizontally rotatably arranged between a port of the left sleeve 3 and a port of the right sleeve 4, ball pads 7 are arranged at the ports of the left sleeve 3 and the right sleeve 4 in cooperation with the adjusting ball 2, the shaft sleeve 5 is arranged at the top of the valve body 1, the valve rod 6 rotatably penetrates through the shaft sleeve 5, and the bottom of the valve rod 6 is connected with the top of the adjusting ball 2.
The center of the top of the adjusting ball 2 is provided with a long groove-shaped jack, the bottom end of the valve rod 6 is matched with the long groove-shaped jack to be provided with a plug, and the top end of the valve rod 6 is provided with a screwing part.
The adjusting ball 2 is of a hollow ball structure, a circular channel 2a is arranged on the left side of the adjusting ball 2, a W-shaped channel 2b is arranged on the right side of the adjusting ball 2, the W-shaped channel is of a W shape rotating 90 degrees clockwise, a lower channel 2c is arranged at the bottom of the adjusting ball 2, an inner cavity of the valve body 1, a part of the left sleeve 3 extending into the valve body 1, a part of the right sleeve 4 extending into the valve body 1 and the outer wall 2 of the adjusting ball enclose to form a water passing cavity 8.
The part of the left sleeve pipe 3 extending into the valve body 1 is provided with a flow compensation hole 3a, and the flow compensation hole 3a, the water passing cavity 8 and the lower channel 2c are communicated.
The circular channel 2a has a cross-sectional area larger than the cross-sectional area of the W-shaped channel 2 b.
The invention has three working states, namely a fully-opened state, a fully-closed state and an adjusting state, wherein liquid flows in from the right sleeve pipe 4 and flows out from the left sleeve pipe 3, and the three states are achieved by adjusting the horizontal rotation angle of the adjusting ball 2, wherein:
full on state: the valve rod 6 is rotated by a tool, so that the W-shaped channel 2b of the regulating ball 2 is aligned with the port of the left sleeve pipe 3, the circular channel 2a of the regulating ball 2 is aligned with the port of the right sleeve pipe 4, at the moment, liquid sequentially flows through the right sleeve pipe 4, the circular channel 2a, the inner cavity of the regulating ball 2, the W-shaped channel 2b and the left sleeve pipe 3, when the liquid passes through the circular channel 2a from the right sleeve pipe 4, loss is basically avoided, the ball valve is generally provided with channels with corresponding positions at two sides of the regulating ball 2 for having the function of regulating flow, the cross-sectional areas (namely the flow area) of the channels at two sides are different, so that the flow regulation function is satisfied, but when the regulating ball valve is regulated to a fully-open state, the cross-sectional areas of the channels at the two sides are different, so that a great resistance is caused to the water flow, the flow is not smooth, and the flow capacity is influenced.
Preferably, the cross section of the lower channel 2c is circular.
Preferably, the sum of the cross-sectional area of the flow compensation hole 3a and the cross-sectional area of the W-shaped channel 2b is equal to the cross-sectional area of the circular channel 2a, and the water flow reaches a most stable state, and the internal structural member is stressed most well.
The flow rate compensation holes 3a are uniformly provided in a plurality of places along the circumferential direction of the left sleeve 3.
The water passing cavity 8 is cylindrical, and the left sleeve pipe 3 and the water passing cavity 8 are coaxially arranged.
Full off state: the valve rod 6 is rotated by a tool, so that the circular channel 2a and the W-shaped channel 2b of the adjusting ball 2 face the direction vertical to the paper surface, the side wall of the adjusting ball 2 completely blocks the ports of the left sleeve 3 and the right sleeve 4 to reach a fully closed state, and the position of the adjusting ball 2 is shown in fig. 5.
And (3) adjusting the state: by turning the valve stem 6 with a tool, the valve stem 2 in the state of the adjusting ball 2 in fig. 5 is rotated counterclockwise about the rotation axis of the shaft a, and the cross section of the W-shaped passage 2b gradually coincides with the cross section of the right sleeve 4 from right to left, so that the flow rate gradually increases, and the cross section of the circular passage 2a gradually coincides with the cross section of the left sleeve 3.
Preferably, as shown in fig. 6, the W-shaped channel 2b includes a semicircular structure 2b-1 disposed on the left side, a conical structure 2b-2 disposed on the right side, and an arc structure 2b-3 disposed on the upper and lower sides of the right side of the semicircular structure 2b-1, where the right end of the conical structure 2b-2 adopts an arc angle transition, and the arc structure 2b-3 and the semicircular structure 2b-1 are transited by the arc angle, and the arc structure 2b-3 is disposed on a perpendicular bisector a of a line connecting the left side edge of the semicircular structure 2b-1 and the right side edge of the conical structure 2 b-2.
The left sleeve pipe 3 and the right sleeve pipe 4 are respectively provided with a pressure detection structure, each pressure detection structure comprises a connector 9 arranged on the left sleeve pipe 3 and the right sleeve pipe 4 and a test nozzle 10 connected to the connector 9 through threads, the test nozzle 10 is detached, then a pressure gauge assembly is mounted on the connector 9, and the pressure flow at two ends is tested.
The lock sleeve 11 is fixedly arranged on the shaft sleeve 5, a through hole which is vertically communicated is formed in the center of the lock sleeve 11, the lock cylinder 12 is detachably arranged in the through hole, the valve rod 6 is sealed inside by the lock cylinder 12, the valve rod 6 is prevented from being screwed by irrelevant personnel randomly, the anti-theft effect is achieved, preferably, the lock cylinder 12 is clamped with the through hole through the clamp spring 13, the top of the lock cylinder 12 is provided with the lifting groove 12a, the lifting groove 12a is lifted upwards through a special tool to take out the lock cylinder 12, the valve rod 6 is exposed, and then the valve rod 6 can be screwed by a spanner to be adjusted.
A dial 14 is arranged on the top surface of the lock sleeve 11 to play an indicating role.
After the lock cylinder 12 is removed, as shown in fig. 9 to 10, a rotary connecting piece 15 is buckled on the dial 14, an insertion hole 15a at the bottom of the rotary connecting piece 15 is inserted into the top of the valve rod 6, a square hole 15b is formed in the top of the rotary connecting piece 15, and the rotary adjusting ball 2 is further rotated to be adjusted by inserting a special screwing tool into the square hole 15 b.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. Spherical static balance valve, its characterized in that: the left sleeve and the right sleeve are respectively fixed at two sides of the valve body, the right side of the left sleeve and the left side of the right sleeve extend into the inner side of the valve body, the adjusting ball can be horizontally and rotatably arranged between a port of the left sleeve and a port of the right sleeve, ball pads are arranged at the ports of the left sleeve and the right sleeve in a matched mode, the shaft sleeve is arranged at the top of the valve body, and the valve rod rotatably penetrates through the shaft sleeve and the bottom of the valve rod is connected with the top of the adjusting ball;
the regulating ball is of a hollow ball structure, a circular channel is arranged on the left side of the regulating ball, a W-shaped channel is arranged on the right side of the regulating ball, the W-shaped channel is of a W shape rotating 90 degrees clockwise, a lower channel is arranged at the bottom of the regulating ball, and a water cavity is formed by enclosing an inner cavity of the valve body, a part of the left sleeve extending into the valve body, a part of the right sleeve extending into the valve body and the regulating ball;
the part of the left sleeve pipe extending into the valve body is provided with a flow compensation hole, and the flow compensation hole, the water passing cavity and the lower channel are communicated;
the cross-sectional area of the circular channel is larger than that of the W-shaped channel;
the right sleeve is a liquid inflow pipe, and the left sleeve is a liquid outflow pipe.
2. The spherical static balancing valve according to claim 1, wherein: the sum of the cross-sectional area of the flow compensation orifice and the cross-sectional area of the W-shaped channel is equal to the cross-sectional area of the circular channel.
3. The spherical static balancing valve according to claim 1, wherein: the flow compensation holes are uniformly formed in a plurality of positions along the circumferential direction of the left sleeve.
4. A ball static balance valve according to any of claims 1-3, characterized in that: the water passing cavity is cylindrical, and the left sleeve pipe and the water passing cavity are coaxially arranged.
5. The spherical static balancing valve according to claim 1, wherein: the W-shaped channel comprises a semicircular structure arranged on the left side, a conical structure arranged on the right side and arc structures arranged on the upper side and the lower side of the right side of the semicircular structure, wherein the right end of the conical structure adopts arc angle transition, the conical structure and the semicircular structure are in arc angle transition, and the arc structures are arranged on a middling line of a connecting line of the left side edge of the semicircular structure and the right side edge of the conical structure.
6. The spherical static balancing valve according to claim 1, wherein: the left sleeve and the right sleeve are respectively provided with a pressure detection structure, and each pressure detection structure comprises a connector arranged on the left sleeve and the right sleeve and a test nozzle arranged on the connector.
7. The spherical static balancing valve according to claim 1, wherein: the shaft sleeve is fixedly provided with a lock sleeve, the center of the lock sleeve is provided with a through hole which is vertically penetrated, a lock core is detachably arranged in the through hole, and the lock core seals the valve rod on the inner side.
8. The spherical static balance valve of claim 7 wherein: the top surface of the lock sleeve is provided with a dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424965.1A CN108533782B (en) | 2018-05-07 | 2018-05-07 | Spherical static balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424965.1A CN108533782B (en) | 2018-05-07 | 2018-05-07 | Spherical static balance valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533782A CN108533782A (en) | 2018-09-14 |
| CN108533782B true CN108533782B (en) | 2023-11-28 |
Family
ID=63476515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424965.1A Active CN108533782B (en) | 2018-05-07 | 2018-05-07 | Spherical static balance valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108533782B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1072311A (en) * | 1963-02-07 | 1967-06-14 | Boving & Co Ltd | Improvements in and relating to rotary spherical type valves for controlling fluid flow |
| CN201475403U (en) * | 2009-09-02 | 2010-05-19 | 王志强 | Balance filtering ball valve |
| CN203656244U (en) * | 2013-12-26 | 2014-06-18 | 江苏威尔迪威阀业有限公司 | Flow-balancing welding ball valve |
| CN204573202U (en) * | 2015-01-26 | 2015-08-19 | 浙江庆发管业科技有限公司 | The high antiseptic steel-plastic ball valve of combustion gas |
| CN206929373U (en) * | 2017-07-13 | 2018-01-26 | 浙江国成阀门有限公司 | Pressure balanced floating ball valve |
| CN208311522U (en) * | 2018-05-07 | 2019-01-01 | 河北同力自控阀门制造有限公司 | Spherical static balancing valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090032762A1 (en) * | 2007-08-03 | 2009-02-05 | Mogas Industries, Inc. | Flow Control Ball Valve |
-
2018
- 2018-05-07 CN CN201810424965.1A patent/CN108533782B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1072311A (en) * | 1963-02-07 | 1967-06-14 | Boving & Co Ltd | Improvements in and relating to rotary spherical type valves for controlling fluid flow |
| CN201475403U (en) * | 2009-09-02 | 2010-05-19 | 王志强 | Balance filtering ball valve |
| CN203656244U (en) * | 2013-12-26 | 2014-06-18 | 江苏威尔迪威阀业有限公司 | Flow-balancing welding ball valve |
| CN204573202U (en) * | 2015-01-26 | 2015-08-19 | 浙江庆发管业科技有限公司 | The high antiseptic steel-plastic ball valve of combustion gas |
| CN206929373U (en) * | 2017-07-13 | 2018-01-26 | 浙江国成阀门有限公司 | Pressure balanced floating ball valve |
| CN208311522U (en) * | 2018-05-07 | 2019-01-01 | 河北同力自控阀门制造有限公司 | Spherical static balancing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108533782A (en) | 2018-09-14 |
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