CN2906230Y - Isolating safety control valve - Google Patents
Isolating safety control valve Download PDFInfo
- Publication number
- CN2906230Y CN2906230Y CN 200620114866 CN200620114866U CN2906230Y CN 2906230 Y CN2906230 Y CN 2906230Y CN 200620114866 CN200620114866 CN 200620114866 CN 200620114866 U CN200620114866 U CN 200620114866U CN 2906230 Y CN2906230 Y CN 2906230Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- shuttle
- safety control
- control valve
- 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
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- Safety Valves (AREA)
Abstract
The utility model provides an isolating safety controlling valve, which comprises a valve body with an inlet at one end and an outlet at the other end, and a flow passage is arranged between the inlet and the outlet of the valve body, a shuttle which has a through hole is arranged inside the flow passage, an axial support is arranged on the valve body at the end of the inlet, the other end of the axial support is connected with a valve disc, a sealing ring is arranged at the place the valve disc connects with the axial support. The utility model has a limitative flow passage inside the valve body and cooperates with other structures, can change the area of the flow passage and accordingly reach the aim of making up the deficiency of the prior art.
Description
Technical field
The utility model relates to valve, is a kind of every the stream Safety control valve.
Background technique
Usually, the adjustment of ducted pressure, flow and other fluid parameters is finished by pilot valve.Control valve is regulated flow, thereby makes flow or pressure reach specified value.Above-mentioned control valve should have the external impetus energy, controller, electronic instrument or computerization control system such as power supply, pressurized air, so that performance control function.
Common Safety control valve, the general equal irregular oscillation that can't prevent or alleviate water hammer effect or prevent valve, and not gasproof erosion.
The encapsulating method of most of common Safety control valves is: between the Sealing of valve, be pressed into polymer.This method is easy to cause wearing and tearing especially, and valve when work, and resistance is bigger.
Summary of the invention
The purpose of this utility model is, provides that a kind of it offers a runner that can limit in valve body every the stream Safety control valve, by with the cooperating of other structure, can change the area of runner, thereby reach the purpose that solves the prior art deficiency.
The utility model for achieving the above object, be achieved through the following technical solutions: every the stream Safety control valve, comprise valve body, valve body one end is inlet, and the valve body the other end is outlet, between the entrance and exit of valve body, offer a runner, shuttle is installed in the runner, is had through hole on the shuttle, the close inlet of valve body one end installation shaft is to bearing, axially bearing one end is connected with valve disc, and valve disc is installed seal ring with axial bearing joint.The outside of valve disc is the tapering surface.The arcuation of the oriented outer lug of valve body.Valve body is installed pressure ring near outlet one side, and the internal diameter of pressure ring is greater than the aperture of through hole.Shuttle is provided with the shuttle flange near outlet one side, and shuttle is a cylindrical shape.In the groove at shuttle flange place, Sealing is installed.Valve body is offered first through hole to the middle part of the arcuation of outer lug, first grease nipple is installed in first through hole, offer second through hole on the parallel side of valve body, second grease nipple is installed in second through hole, needle-valve is installed at the second grease nipple place, and first grease nipple is connected with needle-valve by pipeline with second grease nipple.Axially bearing is a cylindrical shape, and axially bearing is to the outer lug arcuation near the outer surface of valve disc one side.The end face diameter that axial bearing is connected with valve disc is greater than the diameter of the through hole of shuttle.Axially on bearing and the end face that valve disc is connected stepped shaft is set.
Advantage of the present utility model is: because the hydrodynamic pressure of entrance and exit can make the shuttle in the runner move, thereby can form different Flow areas, make to have chain of command on the shuttle, be convenient to the user and limit pressure; Do not need external power supply control; Can avoid the irregular oscillation of the water hammer effect and the valve of common valve; Friction loss is minimum; Simple in structure, operation easily, efficient is high.
Description of drawings
Accompanying drawing 1 is the utility model structural representation; Opening state figure when the structure shown in the figure is the utility model work.That is: shuttle is positioned at the valve disc top.
Embodiment
The contrast accompanying drawing is described further the utility model:
Described in the utility model every the stream Safety control valve, a valve body 29 is arranged, valve body 29 1 ends are inlet 35, valve body 29 the other ends are outlet 16, and inlet 35 and export 16 is correspondingly offered a runner 31 at the inlet 35 of valve body 29 with between exporting 16, valve lock 25 is installed in the runner 31, have through hole 18 on the valve lock 25, it is stair-stepping that shuttle 25 exports 16 ends at it, thereby forms shuttle flange 22.To bearing 33, axially bearing 33 1 ends are connected with valve disc 36 valve body 29 near inlet 35 1 end installation shaft, and valve disc 36 is installed seal ring 28 with axial bearing 33 joints.Valve body 29 outwards protuberance links to each other with inlet 35, and forms the flange in protruding influent stream road, in the runner 31 parallel side is arranged, and it extends near the outlet 16 always, and here outwards protrudes, and is stepped shaft.The entry end 27 of described through hole 18 has chamfering.The utility model is called valve seat with valve disc 36 and seal ring 28 for convenience of description.Valve disc 36 can adopt bolt to be connected with axially mounting seat 33, and this Placement is not unique.The outside of valve disc 36 described in the utility model is tapering surfaces.This tapering surface is positioned at outwards arcuation 30 positions of protuberance of valve body 29.Valve body 29 is installed pressure ring 19 near outlet 16 1 sides, and the internal diameter of pressure ring 19 is greater than the aperture of through hole 18.Shuttle 25 is provided with shuttle flange 22 near outlet 16 1 sides, and shuttle 25 is cylindrical shapes.Sealing 23 is installed in the groove at shuttle flange 22 places.Valve body 29 is offered first through hole 5 to the middle part of the arcuation 30 of outer lug, first grease nipple 4 is installed at first through hole, 5 places, offer second through hole 10 on the parallel side of valve body 29, second grease nipple 7 is installed at second through hole, 10 places, install needle-valve 3, the first grease nipples 4 and be connected with needle-valve 3 by pipeline with second grease nipple 7 at second grease nipple, 7 places.Axially bearing 33 is cylindrical shapes, and axially bearing 33 is to the outer lug arcuation near the outer surface of valve disc 36 1 sides.The end face diameter that axial bearing 33 is connected with valve disc 36 is greater than the diameter of the through hole 18 of shuttle 25.Axially on bearing 33 and the end face that valve disc 36 is connected stepped shaft 6 is set.Axially the external diameter of the external diameter of bearing 33 and valve disc 36 joints and seal ring 28 is identical.When the utility model uses, first flange 1 on the valve body 29 and second flange 13 are fixed on desired location, the shuttles of installing in the valve body 29 25 are in the slippage in the valve body 29 that acts on of hydrodynamic pressure, thereby form different Flow areas.When the entry end 27 of shuttle 25 abuts against on the valve seat, then can stop fluid through through hole 18, thereby make valve be in closed condition.When forming the space between the entry end 27 of through hole 18 and the valve seat, fluid be allowed to by, thereby make valve be in opening state.When fluid passes through described in the utility model when flowing Safety control valve, from entering the mouth 35 to the reduction of outlet 16 pressure, this is the effect of the relative position of shuttle 25 in the valve body 29, thereby on valve seat, form different Flow areas, the characteristics of this structure, can make the pressure of inlet 35 pressure and outlet 16 keep the constant compression force ratio, be convenient to carry out various every stream, control or play and guarantee safe effect.Its working principle is: when fluid passed valve body 29, shuttle 25 carried out slippage, when inlet 35 fluid pressure action during in the entry end 27 of shuttle 25, produce opening force, otherwise, when the outlet end of outlet 16 fluid pressure action shuttle 25, then produce the power of closing.When the pressure that acts on above-mentioned two end faces is different, shuttle 25 can carry out slippage automatically, till two kinds of power of opposition are cancelled each other, this and flow rate of fluid have nothing to do, pressure reduces by fixed ratio, the entrance face of shuttle 25 and the setting pressure of exit end face are equal, when unlatching or cut-off valve, and above-mentioned constant rate.
Structure of the present utility model also can change the step-down ratio: by opening needle-valve 3, in proportion it is set up, the chamber 11 that is limited between valve body 29 and the shuttle 25 is played a role.When above-mentioned pressure acts on each parts of shuttle flange 22 end faces, can increase the needed opening force of shuttle 25 slippages, thereby change pressure ratio.The method of this change step-down ratio is simple, efficient, and does not need to adopt expensive control apparatus.
The shape of valve disc 36 described in the utility model has played better action, the irregular oscillation in the time of can preventing low discharge effectively.Because through hole 18 matches with the conical surface of valve disc 36, during stroke in opening process about the initial 20%-30% of shuttle 25 slippages, can improve flow velocity gradually, in closing closed procedure, when the stroke of shuttle 25 slippages to about the last 20%-30%, can little by little reduce flow velocity, can prevent that like this flow, pressure from undergoing mutation, and can eliminate irregular oscillation.In addition, the shape of valve disc 36 can also be eliminated cavitation erosion etc.The structure of valve seat can alleviate or prevent to reduce the water hammer effect that is caused because of flow greatly, also help to prevent loose, thereby keep waterproof state, can also improve the seal effectiveness after shuttle 25 meshes with seal ring 28 by reducing the useful area that inlet pressure works.The utility model injects oily emulsified liquid in chamber 11, so the sealing surfaces of valve body 29 can lubricate shuttle 25, helps preventing the wearing and tearing of the corrosion and first Sealing 9, second Sealing 23.Among the figure, the 2nd, ring, the 12nd, the parallel side of valve body, the 14th, pressure ring 19 stepped, the 17th, the outlet of valve lock, the 20th, the flange of valve body, it is pressed into stepped 14 of pressure ring and cooperates, and the 34th, an end of supporting base 33, the 37th, blade, blade 37 extends inwards from encircling 2, and ring 2 is contained in valve body 29 1 sides.
Claims (10)
1, every the stream Safety control valve, comprise valve body (29), it is characterized in that: valve body (29) one ends are inlet (35), valve body (29) the other end is outlet (16), between the inlet (35) of valve body (29) and outlet (16), offer a runner (31), shuttle (25) is installed in the runner (31), have through hole (18) on the shuttle (25), the close inlet of valve body (29) (35) one end installation shaft are to bearing (33), axially bearing (33) one ends are connected with valve disc (36), and valve disc (36) is installed seal ring (28) with axial bearing (33) joint.
2, according to claim 1 every the stream Safety control valve, it is characterized in that: the outside of valve disc (26) is the tapering surface.
3, according to claim 1 and 2 every the stream Safety control valve, it is characterized in that: the arcuation (30) of the oriented outer lug of valve body (29).
4, according to claim 3 every the stream Safety control valve, it is characterized in that: valve body (29) is installed pressure ring (19) near outlet (16) one sides, and the internal diameter of pressure ring (19) is greater than the aperture of through hole (18).
5, according to claim 1 or 4 described every stream Safety control valve, it is characterized in that: shuttle (25) near the outlet (16) one sides shuttle flange (22) is set, shuttle (25) is a cylindrical shape.
6, according to claim 5 every the stream Safety control valve, it is characterized in that: Sealing (23) is installed in the groove that shuttle flange (22) is located.
7, according to claim 5 every the stream Safety control valve, it is characterized in that: valve body (29) is offered first through hole (5) to the middle part of the arcuation (30) of outer lug, first through hole (5) locates to install first grease nipple (4), offer second through hole (10) on the parallel side of valve body (29), second through hole (10) locates to install second grease nipple (7), second grease nipple (7) locates to install needle-valve (3), and first grease nipple (4) is connected with needle-valve (3) by pipeline with second grease nipple (7).
8, according to claim 1 every the stream Safety control valve, it is characterized in that: axially bearing (33) is a cylindrical shape, and axially bearing (33) is to the outer lug arcuation near the outer surface of valve disc (36) one sides.
9, according to claim 8 every the stream Safety control valve, it is characterized in that: the end face diameter that axial bearing (33) is connected with valve disc (36) is greater than the diameter of the through hole (18) of shuttle (25).
10, according to claim 9 every the stream Safety control valve, it is characterized in that: axially on bearing (33) and the end face that valve disc (36) is connected stepped shaft (6) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620114866 CN2906230Y (en) | 2006-06-07 | 2006-06-07 | Isolating safety control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620114866 CN2906230Y (en) | 2006-06-07 | 2006-06-07 | Isolating safety control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2906230Y true CN2906230Y (en) | 2007-05-30 |
Family
ID=38114865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620114866 Expired - Fee Related CN2906230Y (en) | 2006-06-07 | 2006-06-07 | Isolating safety control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2906230Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883740A (en) * | 2012-12-21 | 2014-06-25 | 费希尔调压器(上海)有限公司 | Valve disc component provided with branch holes and used for fluid flow control devices |
| CN106837944A (en) * | 2017-01-11 | 2017-06-13 | 北京航空航天大学 | Plane hydraulic system impact of water hammer weakens method and apparatus |
| US10144874B2 (en) | 2013-03-15 | 2018-12-04 | Terrapower, Llc | Method and system for performing thermochemical conversion of a carbonaceous feedstock to a reaction product |
| US10760004B2 (en) | 2017-03-24 | 2020-09-01 | Terrapower, Llc | Method for recycling pyrolysis tail gas through conversion into formic acid |
| US10787610B2 (en) | 2017-04-11 | 2020-09-29 | Terrapower, Llc | Flexible pyrolysis system and method |
-
2006
- 2006-06-07 CN CN 200620114866 patent/CN2906230Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883740A (en) * | 2012-12-21 | 2014-06-25 | 费希尔调压器(上海)有限公司 | Valve disc component provided with branch holes and used for fluid flow control devices |
| CN103883740B (en) * | 2012-12-21 | 2017-12-12 | 费希尔调压器(上海)有限公司 | The valve disc component with branch road hole for fluid flow control device |
| US10144874B2 (en) | 2013-03-15 | 2018-12-04 | Terrapower, Llc | Method and system for performing thermochemical conversion of a carbonaceous feedstock to a reaction product |
| US10787609B2 (en) | 2013-03-15 | 2020-09-29 | Terrapower, Llc | Method and system for performing thermochemical conversion of a carbonaceous feedstock to a reaction product |
| US11542437B2 (en) | 2013-03-15 | 2023-01-03 | Terrapower, Llc | Method and system for performing thermochemical conversion of a carbonaceous feedstock to a reaction product |
| CN106837944A (en) * | 2017-01-11 | 2017-06-13 | 北京航空航天大学 | Plane hydraulic system impact of water hammer weakens method and apparatus |
| CN106837944B (en) * | 2017-01-11 | 2019-06-07 | 北京航空航天大学 | Plane hydraulic system impact of water hammer weakens method and apparatus |
| US10760004B2 (en) | 2017-03-24 | 2020-09-01 | Terrapower, Llc | Method for recycling pyrolysis tail gas through conversion into formic acid |
| US10787610B2 (en) | 2017-04-11 | 2020-09-29 | Terrapower, Llc | Flexible pyrolysis system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070530 Termination date: 20110607 |