CN110645405A - Quiet type flow control valve - Google Patents
Quiet type flow control valve Download PDFInfo
- Publication number
- CN110645405A CN110645405A CN201910889510.1A CN201910889510A CN110645405A CN 110645405 A CN110645405 A CN 110645405A CN 201910889510 A CN201910889510 A CN 201910889510A CN 110645405 A CN110645405 A CN 110645405A
- Authority
- CN
- China
- Prior art keywords
- stage
- valve
- throttling element
- valve body
- orifice
- 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.)
- Pending
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
-
- 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
Abstract
The application discloses quiet type flow control valve, including the valve body assembly, the inside passageway of having seted up of valve body assembly wears to be equipped with a throttling unit in the passageway, and the throttling unit includes the throttling element of multistage influence flow cross-section, and wherein a throttling element's outer wall forms a long runner with the inner wall of valve body assembly, and this application can effectively reduce the noise, prevents the velocity of flow sudden change, suppresses the production of vacuole effectively.
Description
Technical Field
The invention belongs to the technical field of valves, relates to a flow regulating valve, and particularly relates to a quiet flow regulating valve which is simple in structure and convenient to operate.
Background
The flow regulating valve, also called flow control valve and flow controller, is a visual and simple flow regulating and controlling device.
The existing flow regulating valve only has one throttling opening, the front and back pressure difference of the throttling opening is large, noise is easy to generate, and cavitation is easy to generate due to the large front and back pressure difference, so that the service life of the valve is greatly reduced.
Disclosure of Invention
The technical problem that this application will be solved provides a low noise, quiet type flow control valve.
In order to solve the technical problem, the application provides a quiet flow control valve, which comprises a valve body assembly, wherein a channel is formed in the valve body assembly, a throttling unit is arranged in the channel in a penetrating manner, the throttling unit comprises multiple throttling elements which influence the flow cross section, and a long flow channel is formed by the outer wall of one throttling element and the inner wall of the valve body assembly.
Preferably, a first-stage orifice, a second-stage orifice, a third-stage orifice and a fourth-stage orifice are sequentially formed between the throttling element and the inner wall of the passage along the fluid flow direction, the first-stage orifice is communicated with the second-stage orifice, the second-stage orifice is communicated with the third-stage orifice, and the third-stage orifice is communicated with the fourth-stage orifice through corresponding partial pressure chambers, the fourth-stage orifice is the long flow passage, and the throttling element comprises a first-stage throttling element, a second-stage throttling element, a third-stage throttling element and a fourth-stage throttling element which are coaxially arranged and are respectively matched with the first-stage orifice, the second-stage orifice, the third-stage orifice and the fourth-stage orifice.
Preferably, the first-stage throttling element and the second-stage throttling element are integrally arranged to form a movable portion, the third-stage throttling element and the fourth-stage throttling element are integrally arranged to form a fixed portion, the fixed portion and the movable portion are separately arranged, the movable portion can be adjusted from the outside through a handle to drive the movable portion to move axially along the movable portion, a guide portion is arranged between the fixed portion and the movable portion, the guide portion comprises a guide groove and a guide shaft matched with the guide groove, one of the fixed portion and the movable portion is provided with a guide groove, and the other is provided with a guide shaft.
Preferably, the fourth-stage throttling element is cylindrical or long conical, and the surface of the fourth-stage throttling element is provided with a smooth or spiral groove.
Preferably, the valve body assembly is further provided with an inlet channel and an outlet channel, the inlet channel is arranged on the side wall of the valve body assembly and is communicated with the first-stage throttling port through a transition chamber, the outlet channel is arranged at the outlet end of the long flow channel and is communicated with the long flow channel, a silencer is arranged in the outlet channel, and the outlet of the long flow channel is connected to the silencer.
Preferably, the cross sections of the first stage throttling element, the second stage throttling element and the third stage throttling element are approximately in a right trapezoid shape, and the maximum diameter of the first stage throttling element is larger than or equal to the inner diameter of the transition chamber.
Preferably, the valve body assembly comprises a valve body and a connector which is embedded in an inner cavity of the valve body and is in sealing connection with the valve body, and the outlet channel is arranged in an inner cavity of the connector.
Preferably, the valve further comprises a valve cover arranged at the top of the valve body, and a valve rod connecting the valve handle and the throttling unit, wherein a guide hole is formed in the upper end of the valve body, the throttling unit penetrates through the guide hole to be connected with the valve rod, and the valve rod is in threaded connection with the valve cover.
Preferably, the valve further comprises a valve position indicator, the valve position indicator comprises an indicating element which is clamped between the valve handle and the valve rod and can move along the axial direction of the throttling element, the valve cover is provided with a limiting step surface, and the end part of the indicating element can be abutted against the limiting step surface.
Preferably, a sealing element is further arranged in the guide hole.
The beneficial effect of this application is:
1) according to the throttling valve, the front-back pressure difference of each level of throttling orifice is small through the mode of the throttling orifices which are connected in series in multiple levels, noise is not easy to generate, and accordingly silence is achieved more effectively, vibration is reduced, the service life of the valve is prolonged, and sudden change of flow speed can be further prevented and noise is effectively reduced through the long flow channel;
2) by arranging the long flow channel close to the outlet channel, the cavitation erosion can be prevented by effectively further reducing noise and inhibiting cavitation bubbles, and the cavitation erosion flow channel can be effectively matched with a subsequent sealing device to play a role in drainage;
3) the movable part and the fixed part are arranged, so that the disassembly and the assembly are convenient, and moreover, the third-stage throttling element and the fourth-stage throttling element of the fixed part are integrally arranged, so that the overall structural design is more compact;
4) the guide shaft and the guide groove are arranged, so that the guide effect can be achieved, the weight of the whole device is reduced to a certain degree, and the cost is saved;
5) the maximum diameter of the first-stage throttling element is larger than or equal to the inner diameter of the transition chamber, the function of a stop valve can be achieved, and fluid flowing through the first throttling opening is blocked.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic view of a fourth stage throttling element in an embodiment of the present application.
Wherein:
1 is a muffler device, 2 is a joint, 3 is a fourth stage orifice member, 4 is a valve body, 5 is an orifice unit, 6 is a bonnet, 7 is a stem, 8 is a valve position indicator, 9 is a stem, 10 is an inlet passage, 11 is an outlet passage, 12 is a pressure dividing chamber, 13 is a first stage orifice, 14 is a second stage orifice, 15 is a third stage orifice, 16 is a fourth stage orifice, 17 is a first stage orifice member, 18 is a second stage orifice member, 19 is a third stage orifice member, 20 is a guide shaft, 21 is a guide groove, 22 is a limit step surface, 23 is a seal, and 24 is a transition chamber.
Detailed Description
The present application is further described below in conjunction with the following figures and specific examples to enable those skilled in the art to better understand the present application and to practice it, but the examples are not intended to limit the present application.
Referring to fig. 1 to 2, a quiet flow control valve according to a preferred embodiment of the present disclosure includes a valve body assembly, where the valve body assembly includes a valve body 4 and a connector 2 embedded in an inner cavity of the valve body 4 and hermetically connected to the valve body 4, the connector 2 may be used to install a valve, a passage is formed inside the valve body assembly, a throttling unit 5 is inserted into the passage, and the throttling unit 5 includes multiple throttling elements that affect a flow cross section, that is, multiple throttling orifice modes connected in series are formed, specifically: a first-stage throttle orifice 13, a second-stage throttle orifice 14, a third-stage throttle orifice 15 and a fourth-stage throttle orifice 16 are sequentially formed between the throttling element and the inner wall of the channel along the fluid flow direction, the first-stage throttle orifice 13 and the second-stage throttle orifice 14, the second-stage throttle orifice 14 and the third-stage throttle orifice 15 and the fourth-stage throttle orifice 16 are respectively communicated with each other through corresponding partial pressure chambers 12, the fourth-stage throttle orifice 16 is the long flow channel, the throttling element comprises a first-stage throttling element 17, a second-stage throttling element 18, a third-stage throttling element 19 and a fourth-stage throttling element 3 which are coaxially arranged and respectively matched with the first-stage throttle orifice 13, the second-stage throttle orifice 14, the third-stage throttle orifice 15 and the fourth-stage throttle orifice 16, so that the front-back pressure difference of each stage of throttling orifice is small, the noise is not easy to generate, so that the quietness and the vibration are more effectively achieved, the service life of the valve is prolonged, and in order to further prevent the sudden change of the flow speed and effectively reduce the noise, the outer wall of the fourth-stage throttling element 3 and the inner wall of the valve body assembly are arranged to be a long flow passage.
For easy dismounting, first order throttling element 17 sets up the movable part with second level throttling element 18 an organic whole, third level throttling element 19 and fourth level throttling element 3 an organic whole set up and form the fixed part, the fixed part with the movable part components of a whole set up, and movable part accessible handle from the outside regulation drive its along the axial displacement of movable part, the fixed part with be equipped with the guide part between the movable part, the guide part include guide way 21 and with the guiding axle 20 of guide way 21 adaptation, one of fixed part and movable part is equipped with guide way 21, and the other is equipped with guiding axle 20, and the fixed part sets up guide way 21 in one embodiment, and the movable part sets up guiding axle 20, and the fixed part sets up guide way 20 in the other embodiment, and the movable part sets up guide way 21.
Specifically, in one embodiment, the fourth-stage throttling element 3 is cylindrical, and in another embodiment, the fourth-stage throttling element 3 is long conical;
in addition:
in one embodiment, the surface of the fourth stage throttling element 3 is a smooth curved surface, and the long flow passage is formed by a gap between the outer wall of the fourth stage throttling element 3 and the inner wall of the inner cavity of the valve body assembly;
in other embodiments, the outer surface of the fourth stage throttling element 3 is tightly attached to the inner cavity of the valve body assembly, the outer wall of the fourth stage throttling element 3 is provided with a spiral groove with a groove bottom extending to the direction approximately perpendicular to the axial direction of the fourth stage throttling element 3, and at this time, the spiral groove is used for forming the long flow passage;
in other embodiments, the outer surface of the fourth stage throttling element 3 may be spaced from the inner wall of the inner cavity of the valve body assembly, and the outer wall of the fourth stage throttling element 3 is provided with a spiral groove with a groove bottom extending in a direction substantially perpendicular to the axial direction of the fourth stage throttling element 3, so that the spiral groove and the gap between the outer wall of the fourth stage throttling element 3 and the inner wall of the inner cavity of the valve body assembly form the long flow passage.
Specifically, inlet channel 10 and outlet channel 11 have still been seted up to the valve body assembly of this application, inlet channel 10 is located the lateral wall of valve body assembly and its with first-order choke 13 is through a transition cavity 24 UNICOM each other, outlet channel 11 is located the exit end of long runner and with long runner communicates each other, outlet channel 11 is located in the inner chamber of joint 2, for further noise reduction, be equipped with a noise eliminator 1 in the outlet channel 11, preferred noise eliminator with outlet channel's inner chamber threaded connection, it is specific: the silencer is provided with an external thread, the inner cavity of the outlet channel is provided with an internal thread matched with the external thread, and preferably, the outlet of the long flow passage is connected to the silencer, so that the fluid passing through the long flow passage can be subjected to further silencing treatment through the silencer.
The end of the fourth stage throttling element 3 facing away from the third stage throttling element 19 is connected to the sound damping device 1.
The cross sections of the first stage throttling element 17, the second stage throttling element 18 and the third stage throttling element 19 are approximately in a right trapezoid shape, and in order to realize the function of a stop valve and block fluid flowing through a first throttling opening, the maximum diameter of the first stage throttling element 17 is larger than or equal to the inner diameter of the transition chamber 24.
This application is still including locating valve gap 6 at 4 tops of valve body, connecting valve handle 9 and throttle unit 5's valve rod 7, the guiding hole has been seted up to the upper end of valve body 4, throttle unit 5 passes the guiding hole with valve rod 7 is connected, valve rod 7 with 6 threaded connection of valve gap can realize that valve rod 7 can follow axial displacement when rotating valve handle 9 from this, for the regulation size that can more convenient judgement throttle unit 5, this application still includes a valve position indicator 8, valve position indicator 8 including the joint in valve handle 9 with the indicating element that can follow the removal of throttling element axis direction between the valve rod 7, valve gap 6 has a spacing step face 22, indicating element's tip can support and hold in on the spacing step face 22.
The above-described embodiments are merely preferred embodiments for fully illustrating the present application, and the scope of the present application is not limited thereto. The equivalent substitution or change made by the person skilled in the art on the basis of the present application is within the protection scope of the present application. The protection scope of this application is subject to the claims.
Claims (10)
1. A quiet flow regulating valve comprises a valve body assembly, wherein a channel is formed in the valve body assembly, a throttling unit is arranged in the channel in a penetrating mode, the quiet flow regulating valve is characterized in that the throttling unit comprises multiple throttling elements which affect the flow cross section, and a long flow channel is formed by the outer wall of one throttling element and the inner wall of the valve body assembly.
2. The quiet flow control valve according to claim 1, wherein a first stage orifice, a second stage orifice, a third stage orifice and a fourth stage orifice are sequentially formed between the orifice member and the inner wall of the passage in a fluid flow direction, the first stage orifice and the second stage orifice, the second stage orifice and the third stage orifice and the fourth stage orifice are communicated with each other through corresponding partial pressure chambers, respectively, the fourth stage orifice is the long flow passage, and the orifice member includes a first stage orifice member, a second stage orifice member, a third stage orifice member and a fourth stage orifice member coaxially disposed and respectively matched with the first stage orifice, the second stage orifice member, the third stage orifice member and the fourth stage orifice member.
3. The quiet flow control valve as claimed in claim 2, wherein the valve body assembly further defines an inlet passage and an outlet passage, the inlet passage is disposed in a sidewall of the valve body assembly and is in communication with the first-stage orifice through a transition chamber, the outlet passage is disposed in an outlet end of the long flow passage and is in communication with the long flow passage, a muffler device is disposed in the outlet passage, and an outlet of the long flow passage is connected to the muffler device.
4. The quiet flow control valve according to claim 2, wherein the first stage throttling element and the second stage throttling element are integrally provided to form a movable portion, the third stage throttling element and the fourth stage throttling element are integrally provided to form a fixed portion, the fixed portion and the movable portion are separately provided, and the movable portion can be adjusted from the outside by a handle to move along the axial direction of the movable portion, a guide portion is provided between the fixed portion and the movable portion, the guide portion comprises a guide groove and a guide shaft adapted to the guide groove, one of the fixed portion and the movable portion is provided with the guide groove, and the other is provided with the guide shaft.
5. The quiet flow control valve of claim 4, wherein said fourth stage throttling element is cylindrical or long conical, and has a smooth surface or a spiral groove.
6. The quiet flow control valve of claim 3, wherein the cross-sections of the first stage throttling element, the second stage throttling element, and the third stage throttling element are generally right trapezoidal in configuration, and the maximum diameter of the first stage throttling element is greater than or equal to the inner diameter of the transition chamber.
7. The quiet flow control valve of claim 3, wherein said valve body assembly includes a valve body and a fitting embedded in an interior cavity of said valve body and sealingly coupled to said valve body, said outlet passage being disposed in an interior cavity of said fitting.
8. The quiet type flow control valve according to claim 7, further comprising a valve cover provided at a top of the valve body, and a valve stem connecting the valve stem and the throttle unit, wherein a guide hole is formed at an upper end of the valve body, the throttle unit is connected to the valve stem through the guide hole, and the valve stem is threadedly connected to the valve cover.
9. The quiet type flow rate adjusting valve according to claim 8, further comprising a valve position indicator including an indicating member which is caught between the valve handle and the valve stem and is movable in an axial direction of the throttling member, wherein the valve cover has a limit step surface against which an end of the indicating member abuts.
10. The quiet flow control valve of claim 8, further comprising a seal disposed within said pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889510.1A CN110645405A (en) | 2019-09-20 | 2019-09-20 | Quiet type flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889510.1A CN110645405A (en) | 2019-09-20 | 2019-09-20 | Quiet type flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110645405A true CN110645405A (en) | 2020-01-03 |
Family
ID=69010830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910889510.1A Pending CN110645405A (en) | 2019-09-20 | 2019-09-20 | Quiet type flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110645405A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510046A (en) * | 2021-05-11 | 2021-10-19 | 宋鹏 | Chip dispensing connector |
| CN114688260A (en) * | 2022-02-25 | 2022-07-01 | 中石化四机石油机械有限公司 | Ultrahigh pressure long-life throttle valve for petroleum drilling high-pressure pump test |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425252Y (en) * | 2000-06-12 | 2001-03-28 | 马建然 | Stepped multi-stage throtte pressure-reducing valve |
| CN202188133U (en) * | 2011-08-18 | 2012-04-11 | 孙杰 | Pressure reducing throttle valve |
| CN202612672U (en) * | 2012-05-22 | 2012-12-19 | 浙江富鼎自控阀门有限公司 | Granule-free multi-stage cage type regulating valve |
| CN103591353A (en) * | 2013-11-20 | 2014-02-19 | 无锡智能自控工程股份有限公司 | High-pressure and micro-flow tandem type regulating valve |
| CN104455469A (en) * | 2014-09-29 | 2015-03-25 | 北京航天动力研究所 | Throttling serial type multistage pressure reduction and adjustment valve |
| CN105156688A (en) * | 2015-08-19 | 2015-12-16 | 赛鼎工程有限公司 | High-pressure-difference and small-flow adjusting valve for BDO |
| CN207762274U (en) * | 2018-01-09 | 2018-08-24 | 浙江中控流体技术有限公司 | A kind of novel more conduction tandem band low-noise device control valves |
| KR20190093702A (en) * | 2013-03-15 | 2019-08-09 | 플로우서브 매니지먼트 컴퍼니 | Fluid flow control devices and systems, and methods of flowing fluids therethrough |
-
2019
- 2019-09-20 CN CN201910889510.1A patent/CN110645405A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425252Y (en) * | 2000-06-12 | 2001-03-28 | 马建然 | Stepped multi-stage throtte pressure-reducing valve |
| CN202188133U (en) * | 2011-08-18 | 2012-04-11 | 孙杰 | Pressure reducing throttle valve |
| CN202612672U (en) * | 2012-05-22 | 2012-12-19 | 浙江富鼎自控阀门有限公司 | Granule-free multi-stage cage type regulating valve |
| KR20190093702A (en) * | 2013-03-15 | 2019-08-09 | 플로우서브 매니지먼트 컴퍼니 | Fluid flow control devices and systems, and methods of flowing fluids therethrough |
| CN103591353A (en) * | 2013-11-20 | 2014-02-19 | 无锡智能自控工程股份有限公司 | High-pressure and micro-flow tandem type regulating valve |
| CN104455469A (en) * | 2014-09-29 | 2015-03-25 | 北京航天动力研究所 | Throttling serial type multistage pressure reduction and adjustment valve |
| CN105156688A (en) * | 2015-08-19 | 2015-12-16 | 赛鼎工程有限公司 | High-pressure-difference and small-flow adjusting valve for BDO |
| CN207762274U (en) * | 2018-01-09 | 2018-08-24 | 浙江中控流体技术有限公司 | A kind of novel more conduction tandem band low-noise device control valves |
Non-Patent Citations (1)
| Title |
|---|
| 刘天齐: "《石油化工环境保护手册》", 30 September 1990, 烃加工出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510046A (en) * | 2021-05-11 | 2021-10-19 | 宋鹏 | Chip dispensing connector |
| CN113510046B (en) * | 2021-05-11 | 2022-08-09 | 唐山国芯晶源电子有限公司 | Chip dispensing connector |
| CN114688260A (en) * | 2022-02-25 | 2022-07-01 | 中石化四机石油机械有限公司 | Ultrahigh pressure long-life throttle valve for petroleum drilling high-pressure pump test |
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Application publication date: 20200103 |
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