CN203309202U - Non-retention multi-path control ball valve - Google Patents
Non-retention multi-path control ball valve Download PDFInfo
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- CN203309202U CN203309202U CN2013203878752U CN201320387875U CN203309202U CN 203309202 U CN203309202 U CN 203309202U CN 2013203878752 U CN2013203878752 U CN 2013203878752U CN 201320387875 U CN201320387875 U CN 201320387875U CN 203309202 U CN203309202 U CN 203309202U
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- valve body
- conduit
- ball core
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Abstract
The utility model discloses a non-retention multipath control ball valve, comprising a gap ball core (1), a main through valve body (2), a bypass valve port (21), a valve rod port (22), a sealing ring (3), a bypass valve cover (4), a hexagonal hole helicoid (5) and a valve rod (6). The utility model adopts a technical scheme that the gap ball core, an integral three-way main valve body and polytetrafluoroethylene sealing are arranged and overcomes the problems and the defects that the ball valve in the prior art is easy to leak, damage and pollute and retains and breeds pathogen in the aspect of structure, and has single application control function. The aims that the ball valve is unlikely to leak and damage, avoids pollution and retention and has a multi-path selection control function are achieved by eliminating the retention structure of the ball core, removing the threaded connection of the main through valve body and additionally arranging the bypass valve port.
Description
Technical field
The utility model relates to a kind of valve, specifically refers in the transfer conduit that is applied to water, oil, gas, alternative a kind of non-retention multipath control ball valve of controlling the quick opening and closing of triplate line.
Background technique
The ball valve of prior art, consult Fig. 8, by the corner of valve rod rotary seal perforate ball core in valve channel, realizes the fast opening and closing of single-pass pipeline.Its Sealing is " O " type rubber ring, and valve gap is connected with valve body by screw thread, and aging due to the corrosion of transmission medium and rubber easily produces and leak; The normal pollution of the auxiliary chemicals of separating out in rubber is transmitted medium, as potable water etc.; The fluid passage of perforate ball core forms closed area in off position the time, and retention medium wherein, as water, easily grows harmful germ harm water user health in a large number; Be subjected to the impact of connected pipeline impact shock, the screw thread connecting part of valve body and valve gap very easily is damaged; In addition, the ball valve of prior art can only meet the fast opening and closing function of single-pass pipeline, opens and closes control if meet the selectivity of triplate line, needs, with the each party of three ball valves at three-way pipe, respectively to fill a ball valve and realize, does like this and not only wastes but also inconvenient.Therefore, the ball valve of prior art structurally exists easy leakage, damage, pollution, retention to grow the problems and shortcomings of germ and application controls function singleness.
Summary of the invention
Problems and shortcomings for above-mentioned prior art existence, the utility model adopts the technological scheme of gap ball core, integral three-way main valve body, teflon seal, a kind of non-retention multipath control ball valve is provided, be intended to by eliminating the retention structure of ball core, get rid of being threaded of main logical valve body, the mode of additional by-pass valve port, make it to reach be difficult for leaking, not fragile, pollution-free, without retention and have the purpose that multichannel selects to control function.
The purpose of this utility model is achieved in that a kind of non-retention multipath control ball valve, comprise gap ball core, main logical valve body, by-pass valve port, valve stem port, seal ring, by-pass valve cover, hexagon hole bung flange, valve rod, wherein: described gap ball core is the spherical member of stainless steel, by three-dimensional rectangular coordinate system statement, spherical crown is clipped and aperture, rounded plane in spheroid Z axis bottom, top center is provided with rectangular duct along X-axis direction, on the sphere of the X-axis direction projection side of spheroid Z axis medium position, be provided with the wide centre of sphere of the sphere parallel with Y-axis narrow, section is the breach conduit of " V " font, bottom land is crossed the centre of sphere along X-axis direction, conduit is provided with along the lower cell wall of Z axis the logical circular hole communicated with spheroid base plane aperture, top rectangular conduit and middle part breach conduit projection quadrature, the logical valve body of described master is the tubular bulk metal member of threeway, the top of symmetry center is provided with the valve stem port communicated with tube chamber, the connecting part of valve stem port and tube chamber is provided with the step of embedded sealing ring, bottom is provided with the by-pass valve port communicated with tube chamber, the valve port inwall is provided with internal thread, and the inner tube wall of left and right two ends is provided with internal thread, described seal ring is teflon " O " type cushion rubber, described by-pass valve cover is step Straight metal construction, and inner tube wall is provided with internal thread, and pipe outer wall microcephaly holds step to be provided with the outside thread with by-pass valve port internal thread adaptation, described hexagon hole bung flange is tubular metallic member, and the pipe outer wall is provided with outside thread, and inner tube wall is the hexagon through hole, and the pipe front end is provided with the step of embedded sealing ring, described valve rod is step cylindrical metal member, and each step is respectively from the bottom to top, rectangle tenon, cylinder shelves platform, cylindrical shaft, square tenon platform, cylindrical thread,
The threaded stem end passes main logical valve body from the by-pass valve port of main logical valve body upward, be placed in the valve stem port place, and threaded end stretches out valve stem port; The top rectangular conduit of gap ball core pierces into main logical valve body from the by-pass valve port of main logical valve body upward, is placed in main logical body cavity, the seal ring fitted seal in top sphere and setting-in step, the rectangle tenon engagement of top rectangular conduit and valve rod; The male end of by-pass valve cover is tightened on the by-pass valve port place upward; Seal ring on three hexagon hole bung flange setting-ins, respectively in the left and right two end pipes of main logical valve body and the pipe internal thread precession of by-pass valve cover, by gap ball core, the fixing and rotatable sealing of supporting is in main logical valve body, and bottom port communicates with by-pass valve port; Turning handle is contained on the square tenon platform of valve rod in use, fixes with nut.
Working principle
Open and close and control function
Under setting the by-pass valve cover end and being, the valve stem port end is upper, divides left and right with main logical valve body tube axis, overlooks the clock and watch azimythal angle of axis rotation direction of the breach conduit of gap ball core and describes; The setting left end is feed-water end, and right-hand member, lower end are waterexit end, and the axis of assembling turning handle overlaps with the axis projection of the breach conduit of gap ball core, and the left end of main logical valve body tube axis is 9 clock and watch azimythal angles.
When turning handle goes to 3 azimythal angles:
The breach conduit of gap ball core is connected the left and right pipeline, and simultaneously, the logical circular hole of cell wall is connected lower channel under the breach conduit, and current flow to right-hand member from the ball valve left end, also flow to simultaneously lower end, ball valve standard-sized sheet, pipeline threeway;
When turning handle goes to 6 azimythal angles:
The breach conduit of gap ball core is in the face of left pipeline, horizontal between the pipeline of left and right, the left and right pipe path has been closed in shutoff, but now, left pipeline still with the breach conduit that is connected lower channel under the logical circular hole of cell wall communicate, current flow to lower channel from the ball valve left end, and the ball valve list is opened, pipeline left end and lower end single-pass;
When turning handle goes to the nine o'clock spot angle:
Identical with 3 azimythal angles, ball valve standard-sized sheet, pipeline threeway;
When turning handle goes to 12 azimythal angles:
The breach conduit of gap ball core is back to left pipeline, horizontal between the pipeline of left and right, the left and right pipe path has been closed in shutoff, now, although under the breach conduit of connection lower channel, the logical circular hole of cell wall communicates with right pipeline, because lower channel is identical with right pipeline hydraulic pressure, current stop flowing, the ball valve full cut-off, the pipeline cut-off.
Gap ball core can not form closed area in above-mentioned any open/close states, eliminated the origin cause of formation of growing harmful germ harm because of retention; Main logical valve body integrity structure, improved the mechanical strength of valve body anti-vibration, guaranteed that main logical valve body is not fragile under vibration environment; That seal ring adopts is anti-aging, nonhazardous, physics and chemistry and the good polytetrafluoroethylmaterial material of stability are manufactured, eliminated in the prior art because ageing of rubber produces, leak, auxiliary agent separates out and forms the cause of polluting, and be difficult for leaking, pollution-free.
Useful application
In application, can select single-pass pipeline or triplate line to connect according to the demand that pipeline is controlled, triplate line connects only needs to fill this device, and while selecting the single-pass pipeline, the available standards plug blocks the outlet of by-pass valve cover.
Above-mentioned, the utility model adopts the technological scheme of gap ball core, integral three-way main valve body, teflon seal, the ball valve that has overcome prior art structurally exists easy leakage, damage, pollution, retention to grow the problems and shortcomings of germ and application controls function singleness, a kind of non-retention multipath control ball valve provided, by eliminating the retention structure of ball core, get rid of being threaded of main logical valve body, the mode of additional by-pass valve port, reached difficult leakage, not fragile, pollution-free, without retention and have the purpose that multichannel selects to control function.
The accompanying drawing explanation
Fig. 1 is the internal structure cross-sectional schematic of a kind of non-retention multipath control ball valve of the present utility model;
Fig. 2 is that the master of the gap ball core parts of a kind of non-retention multipath control ball valve of the present utility model looks schematic diagram;
Fig. 3 is that the axle of Fig. 2 measures intention;
Fig. 4 is the working principle of a kind of non-retention multipath control ball valve of the present utility model, and turning handle goes to the cross-sectional schematic of 3 azimythal angle tenses;
Fig. 5 is the working principle of a kind of non-retention multipath control ball valve of the present utility model, and turning handle goes to the cross-sectional schematic of 6 azimythal angle tenses;
Fig. 6 is the working principle of a kind of non-retention multipath control ball valve of the present utility model, and turning handle goes to the cross-sectional schematic of nine o'clock spot angle tense;
Fig. 7 is the working principle of a kind of non-retention multipath control ball valve of the present utility model, and turning handle goes to the cross-sectional schematic of 12 azimythal angle tenses;
Fig. 8 is the internal structure cross-sectional schematic of the ball valve of prior art.
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
In figure: gap ball core 1, main logical valve body 2, by-pass valve port 21, valve stem port 22, seal ring 3, by-pass valve cover 4, hexagon hole bung flange 5, valve rod 6, turning handle 7.
Embodiment
Consult Fig. 1～Fig. 7, a kind of non-retention multipath control ball valve of the present utility model, comprise gap ball core 1, main logical valve body 2, by-pass valve port 21, valve stem port 22, seal ring 3, by-pass valve cover 4, hexagon hole bung flange 5, valve rod 6, wherein: described gap ball core 1 is the spherical member of stainless steel, by three-dimensional rectangular coordinate system statement, spherical crown is clipped and aperture, rounded plane in spheroid Z axis bottom, top center is provided with rectangular duct along X-axis direction, on the sphere of the X-axis direction projection side of spheroid Z axis medium position, be provided with the wide centre of sphere of the sphere parallel with Y-axis narrow, section is the breach conduit of " V " font, bottom land is crossed the centre of sphere along X-axis direction, conduit is provided with along the lower cell wall of Z axis the logical circular hole communicated with spheroid base plane aperture, top rectangular conduit and middle part breach conduit projection quadrature, the logical valve body 2 of described master is the tubular bulk metal member of threeway, the top of symmetry center is provided with the valve stem port 22 communicated with tube chamber, the connecting part of valve stem port 22 and tube chamber is provided with the step of embedded sealing ring 3, bottom is provided with the by-pass valve port 21 communicated with tube chamber, the valve port inwall is provided with internal thread, and the inner tube wall of left and right two ends is provided with internal thread, described seal ring 3 is teflon " O " type cushion rubber, described by-pass valve cover 4 is step Straight metal construction, and inner tube wall is provided with internal thread, and pipe outer wall microcephaly holds step to be provided with the outside thread with by-pass valve port 21 internal thread adaptations, described hexagon hole bung flange 5 is tubular metallic member, and the pipe outer wall is provided with outside thread, and inner tube wall is the hexagon through hole, and the pipe front end is provided with the step of embedded sealing ring 3, described valve rod 6 is step cylindrical metal member, and each step is respectively from the bottom to top, rectangle tenon, cylinder shelves platform, cylindrical shaft, square tenon platform, cylindrical thread,
Valve rod 6 threaded end pass main logical valve body 2 from the by-pass valve port 21 of main logical valve body 2 upward, be placed in valve stem port 22 places, and threaded end stretch out valve stem port 22; The top rectangular conduit of gap ball core 1 pierces into main logical valve body 2 from the by-pass valve port 21 of main logical valve body 2 upward, is placed in main logical valve body 2 inner chambers, seal ring 3 fitted seal in top sphere and setting-in step, the rectangle tenon engagement of top rectangular conduit and valve rod 6; The male end of by-pass valve cover 4 is tightened on by-pass valve port 21 places upward; Seal ring 3 on three hexagon hole bung flange 5 setting-ins, respectively in the left and right two end pipes of main logical valve body 2 and the pipe internal thread precession of by-pass valve cover 4, by gap ball core 1, the fixing and rotatable sealing of supporting is in main logical valve body 2, and bottom port communicates with by-pass valve port 21; Turning handle 7 is contained on the square tenon platform of valve rod 6 in use, fixes with nut.
Working principle
Open and close and control function
Under setting by-pass valve cover 4 ends and being, valve stem port 22 ends are upper, divide left and right with main logical valve body 2 tubular axis lines, overlook the clock and watch azimythal angle of axis rotation direction of the breach conduit of gap ball core 1 and describe; The setting left end is feed-water end, and right-hand member, lower end are waterexit end, and the axis of assembling turning handle 7 overlaps with the axis projection of the breach conduit of gap ball core 1, and the left end of main logical valve body 2 tubular axis lines is 9 clock and watch azimythal angles.
When turning handle 7 goes to 3 azimythal angles:
The breach conduit of gap ball core 1 is connected the left and right pipeline, and simultaneously, the logical circular hole of cell wall is connected lower channel under the breach conduit, and current flow to right-hand member from the ball valve left end, also flow to simultaneously lower end, ball valve standard-sized sheet, pipeline threeway;
When turning handle 7 goes to 6 azimythal angles:
The breach conduit of gap ball core 1 is in the face of left pipeline, horizontal between the pipeline of left and right, the left and right pipe path has been closed in shutoff, but now, left pipeline still with the breach conduit that is connected lower channel under the logical circular hole of cell wall communicate, current flow to lower channel from the ball valve left end, and the ball valve list is opened, pipeline left end and lower end single-pass;
When turning handle 7 goes to the nine o'clock spot angle:
Identical with 3 azimythal angles, ball valve standard-sized sheet, pipeline threeway;
When turning handle 7 goes to 12 azimythal angles:
The breach conduit of gap ball core 1 is back to left pipeline, horizontal between the pipeline of left and right, the left and right pipe path has been closed in shutoff, now, although under the breach conduit of connection lower channel, the logical circular hole of cell wall communicates with right pipeline, because lower channel is identical with right pipeline hydraulic pressure, current stop flowing, the ball valve full cut-off, the pipeline cut-off.
Useful application
In application, can select single-pass pipeline or triplate line to connect according to the demand that pipeline is controlled, triplate line connects only needs to fill this device, and while selecting the single-pass pipeline, the available standards plug blocks the outlet of by-pass valve cover 4.
Claims (1)
1. non-retention multipath control ball valve, comprise gap ball core (1), main logical valve body (2), by-pass valve port (21), valve stem port (22), seal ring (3), by-pass valve cover (4), hexagon hole bung flange (5), valve rod (6), it is characterized in that: described gap ball core (1) is the spherical member of stainless steel, by three-dimensional rectangular coordinate system statement, spherical crown is clipped and aperture, rounded plane in spheroid Z axis bottom, top center is provided with rectangular duct along X-axis direction, on the sphere of the X-axis direction projection side of spheroid Z axis medium position, be provided with the wide centre of sphere of the sphere parallel with Y-axis narrow, section is the middle part breach conduit of " V " font, the bottom land of middle part breach conduit is crossed the centre of sphere along X-axis direction, middle part breach conduit is provided with along the lower cell wall of Z axis the logical circular hole communicated with aperture, described plane, spheroid bottom, top rectangular conduit and middle part breach conduit projection quadrature, it is the tubular bulk metal member of threeway that described master is led to valve body (2), the top of its symmetry center is provided with the valve stem port (22) communicated with tube chamber, the connecting part of valve stem port (22) and tube chamber is provided with the step of embedded sealing ring (3), the bottom of main logical valve body is provided with the by-pass valve port (21) communicated with tube chamber, the valve port inwall is provided with internal thread, and the inner tube wall of left and right two ends of main logical valve body is provided with internal thread, described seal ring (3) is teflon " O " type cushion rubber, described by-pass valve cover (4) is step Straight metal construction, and inner tube wall is provided with internal thread, and pipe outer wall microcephaly holds step to be provided with the outside thread with by-pass valve port (21) internal thread adaptation, described hexagon hole bung flange (5) is tubular metallic member, the pipe outer wall is provided with outside thread, inner tube wall is the hexagon through hole, the pipe front end is provided with the step of embedded sealing ring (3), seal ring (3) on three hexagon hole bung flanges (5) setting-in, being spun on respectively the master leads on the pipe internal thread that reaches by-pass valve cover (4) in the left and right two end pipes of valve body (2), the rotary seal of supporting fixed gap ball core (1) is in main logical valve body (2), and aperture, described plane communicates with by-pass valve port (21), described valve rod (6) is step cylindrical metal member, and each step is respectively from the bottom to top, rectangle tenon, cylinder shelves platform, cylindrical shaft, square tenon platform, cylindrical thread,
Valve rod (6) threaded end is placed in valve stem port 22 places upward, and threaded end stretches out valve stem port (22); The top rectangular conduit of gap ball core (1) is placed in main logical valve body (2) inner chamber upward, seal ring (3) fitted seal in top sphere and setting-in step, the rectangle tenon engagement of top rectangular conduit and valve rod (6); The male end of by-pass valve cover (4) is tightened on by-pass valve port (21) upward and locates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203878752U CN203309202U (en) | 2013-06-20 | 2013-06-20 | Non-retention multi-path control ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203878752U CN203309202U (en) | 2013-06-20 | 2013-06-20 | Non-retention multi-path control ball valve |
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| Publication Number | Publication Date |
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| CN203309202U true CN203309202U (en) | 2013-11-27 |
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| CN2013203878752U Expired - Fee Related CN203309202U (en) | 2013-06-20 | 2013-06-20 | Non-retention multi-path control ball valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633165A (en) * | 2014-12-10 | 2015-05-20 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Valve capable of independently controlling fluid in two directions to flow |
| CN107407432A (en) * | 2015-03-03 | 2017-11-28 | 日立汽车系统株式会社 | Flow control valve |
| CN110067877A (en) * | 2018-01-24 | 2019-07-30 | 中车唐山机车车辆有限公司 | A kind of separately controllable two-way air feed cutout cock |
| CN110997080A (en) * | 2017-08-01 | 2020-04-10 | 德国美力有限两合公司 | Fire-extinguishing system valve, in particular wet or dry alarm valve or water spray valve, control module therefor and fire-extinguishing system comprising same |
-
2013
- 2013-06-20 CN CN2013203878752U patent/CN203309202U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633165A (en) * | 2014-12-10 | 2015-05-20 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Valve capable of independently controlling fluid in two directions to flow |
| CN104633165B (en) * | 2014-12-10 | 2017-07-07 | 中国航空工业集团公司金城南京机电液压工程研究中心 | It is a kind of can be with the valve of independent control both direction flow of fluid |
| CN107407432A (en) * | 2015-03-03 | 2017-11-28 | 日立汽车系统株式会社 | Flow control valve |
| CN110997080A (en) * | 2017-08-01 | 2020-04-10 | 德国美力有限两合公司 | Fire-extinguishing system valve, in particular wet or dry alarm valve or water spray valve, control module therefor and fire-extinguishing system comprising same |
| US11504561B2 (en) | 2017-08-01 | 2022-11-22 | Minimax Gmbh | Fire extinguishing system valve, in particular wet alarm valve, dry alarm valve or spray water valve and control module for the same and fire extinguishing system utilizing the same |
| CN110067877A (en) * | 2018-01-24 | 2019-07-30 | 中车唐山机车车辆有限公司 | A kind of separately controllable two-way air feed cutout cock |
| CN110067877B (en) * | 2018-01-24 | 2020-06-09 | 中车唐山机车车辆有限公司 | Independently-controlled bidirectional air supply stop cock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20140620 |
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| EXPY | Termination of patent right or utility model |