CN108194674A - A kind of self-operated flow regulator - Google Patents

A kind of self-operated flow regulator Download PDF

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Publication number
CN108194674A
CN108194674A CN201711341051.0A CN201711341051A CN108194674A CN 108194674 A CN108194674 A CN 108194674A CN 201711341051 A CN201711341051 A CN 201711341051A CN 108194674 A CN108194674 A CN 108194674A
Authority
CN
China
Prior art keywords
spool
cavity body
valve core
port
end cover
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.)
Granted
Application number
CN201711341051.0A
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Chinese (zh)
Other versions
CN108194674B (en
Inventor
邢建国
赵凡
赵一凡
刘尊民
仪垂杰
王连进
周扬民
林海波
孙少杰
朱桂波
李建荣
路全忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao University
Huaneng Qingdao Thermal Power Co Ltd
Original Assignee
Qingdao University
Huaneng Qingdao Thermal Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao University, Huaneng Qingdao Thermal Power Co Ltd filed Critical Qingdao University
Priority to CN201711341051.0A priority Critical patent/CN108194674B/en
Publication of CN108194674A publication Critical patent/CN108194674A/en
Application granted granted Critical
Publication of CN108194674B publication Critical patent/CN108194674B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20Excess-flow valves
    • F16K17/22Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/24Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
    • F16K17/28Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
    • F16K17/30Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0008Mechanical means
    • F16K37/0016Mechanical means having a graduated scale

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Flow Control (AREA)

Abstract

The invention discloses a kind of self-operated flow regulator, including valve body, hand control valve core and automatic adjustment spool;Valve inner is in the cavity body of " people " font, the right output port of cavity body flows into end for fluid, the left port of cavity body is fluid outflow end, and hand control valve core is arranged at the centre position of cavity body with automatic adjustment spool and hand control valve core is protruded outward from the upper port of cavity body;The cylinder adjustment portion outside wall surface of hand control valve core is bonded with the upper port internal face of cavity body, and the annular stop slot part inside the lower end angular cutouts of cylinder adjustment portion and the upper port of cavity body abuts against cooperation;The adjusting rod of hand control valve core is stretched out from the upper port of cavity body and the upper end cover at the upper port with cavity body is nested;Spool nest card is automatically adjusted to close in the upper port of cavity body and positioned at the lower section of hand control valve core.The present invention improves the degree of regulation of fluid flow so that the heating power distribution in heat distribution pipe network is more balanced.

Description

A kind of self-operated flow regulator
Technical field
The invention belongs to heat distribution pipe network valve technology field more particularly to a kind of self-operated flow regulators.
Background technology
At present, the valve mechanism of existing heat distribution pipe network is simple, and function is single, and it is most of only can only be by manually adjusting The opening degree of valve is saved, so that the adjusting about valve opening degree needs experienced operating personnel that can just be protected to operate The stability of valve working is demonstrate,proved, and manual operation certainly will cause working efficiency low, and expend a large amount of artificial capital;In addition, by It is single in the function of valve, so that the heating power distribution in heat distribution pipe network is uneven, so that the heating power in heat distribution pipe network is just The phenomenon that remote cold near-thermal can be generated.
Invention content
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of self-operated flow regulator.
A kind of self-operated flow regulator, including valve body, hand control valve core and automatic adjustment spool;
The valve inner is in the cavity body of " people " font, and the right output port of the cavity body flows into end for fluid, described The left port of cavity body is fluid outflow end, and the hand control valve core and automatic adjustment spool are arranged at the both ends of cavity body Centre position and hand control valve core is protruded outward from the upper port of cavity body;
The hand control valve core includes a cylinder adjustment portion with angular cutouts and an operation cylinder adjustment portion It rotates and along the outwardly extending adjusting rod of upper surface axis of cylinder adjustment portion;
The cylinder adjustment portion outside wall surface is bonded with the upper port internal face of cavity body, and the lower end of the cylinder adjustment portion is inclined Annular stop slot part inside the upper port of angular cut and cavity body abuts against cooperation;The adjusting rod is from the upper end of cavity body Mouth is stretched out and is nested with the upper end cover at the upper port of cavity body;
Here, rotation adjusting rod makes the lower end angular cutouts of cylinder adjustment portion be limited along the annular inside the upper port of cavity body The opening degree that position slot rotates and then control the lower end angular cutouts of cylinder adjustment portion to flow into end with the fluid of cavity body right end reaches To the manual effect for adjusting fluid flow;
The automatic adjustment spool nest card is closed in the upper port of cavity body and positioned at the lower section of hand control valve core, institute It states automatic adjustment spool and includes upper valve core, middle spool, bottom spool and bottom end cover, the upper valve core, middle spool, bottom spool and lower end Lid is the cylindrical structure with locking edge, and upper valve core, middle spool, bottom spool and bottom end cover are nested successively;On described The cylinder side wall of spool offers multiple windows, and the cylinder side wall of middle spool also offers multiple windows, under the bottom end cover End face is provided with recirculation hole;The lower spring of spool in support is provided in the bottom spool, support is provided in the middle spool The upper spring of upper valve core.
Preferably, the lower external buckle edge nesting of the upper valve core is fastened in the upper internal buckle edge of middle spool, the middle spool Lower external buckle edge nesting is fastened in the upper internal buckle edge of bottom spool, the lower port outside wall surface of the bottom spool and the internal face of bottom end cover Fitting is fixed, and the upper external buckle edge support clamping close of the bottom end cover is below the annular spacing groove inside the upper port positioned at cavity body Annular convex platform on.
Preferably, the cylinder side wall of the upper valve core is opened up there are four window, and the cylinder side wall of the middle spool offers Two windows.
Preferably, the end that the adjusting rod stretches out upper end cover is conveniently operated adjusting rod equipped with turntable by turntable.
Preferably, the adjusting rod stretching rectangular port in end of upper end cover or D-shaped port, and matched turntable It is provided with corresponding rectangular opening or D-shaped hole.
Preferably, the outer end face of the upper end cover is provided with dial for one week along adjusting rod, on the adjusting rod or turntable It is corresponding to be furnished with debug point, when the debug point on adjusting rod or turntable, which is turned to, to be aligned with a certain scale on dial, represent The opening degree that the lower end angular cutouts of the cylinder adjustment portion of this graduation indication flow into end with the fluid of cavity body right end, i.e., this moment Spend the fluid flow of instruction.
Self-operated flow regulator provided by the invention, the course of work are as follows:
When the hot water of heat distribution pipe network is flowed into from the right output port of cavity body, can initial heat be adjusted with rotation manual spool Water through-current capacity, and the dial on upper end cover can be used for observing the opening degree of manual spool.Upper and lower spring is equal during original state There is certain preload amount, controlled by automatic spool bottom end cover, and original state can be set according to actual conditions.When in pipe network Pressure change when, upper and lower spring can automatically adjust the length of itself according to the size of pressure change, be directly changed runner Size, so as to change the size of hot water flow, to achieve the purpose that adjust hot water flow balance.Here, pressure change hour is only It works there are one spring, i.e., is under pressure on automatic spool and first upper spring is compressed, change the runner size of side, after And ensure the flow equilibrium of setting.When pressure change is big, after having compressed spring, lower spring is also compressed, i.e., upper and lower bullet Spring works simultaneously, and then changes the runner size of side again, so as to change the size of hot water flow, this runner reduce from And reduce hot water flow, achieve the purpose that adjust hot water flow balance.
Self-operated flow regulator provided by the invention, hand control valve core control the switch of valve and the entirety of runner Opening degree, and be provided on upper end cover dial have the function of convenient for observation, adjust, measurement valve is opened and is spent, herein The setting of dial can also allow user to set initial value, and then determine the opening degree of valve according to working site.In short, hand Dynamic control spool has the effects that cut-off, adjusting, throttling, non-return, shunting or overflow release.It automatically adjusts spool and uses two-pass Spring plays the role of balance system, and two springs are sectional-regulated to the position progress of spool, improve balance adjustment fluid The precision of flow.It specifically, can be according to fluid flow, the variation of pressure and then by two-pass spring come the big of constant flow rate It is small, so as to ensure the constant of fluid flow, realize thermodynamic equilibrium.
Self-operated flow regulator provided by the invention, the degree of regulation of fluid flow greatly increase, and realize thermal pipe The thermodynamic equilibrium of net saves cost of labor debugging cost.
Description of the drawings
Fig. 1 is the structure diagram of self-operated flow regulator of the present invention;
Fig. 2 is the sectional view of self-operated flow regulator of the present invention;
Fig. 3 is the structure chart that spool is automatically adjusted in self-operated flow regulator of the present invention;
Fig. 4 is the sectional view that spool is automatically adjusted in self-operated flow regulator of the present invention.
Wherein:1. valve body;11. fluid flows into end;12. fluid outflow end;13. upper port;13a. annular spacing grooves;13b. Annular convex platform;2. hand control valve core;21. cylinder adjustment portion;21a. angular cutouts;22. adjusting rod;3. automatically adjust spool; 31. upper valve core;Spool in 32.;33. bottom spool;34. bottom end cover;4. upper end cover;5. lower spring;Spring on 6..
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Figs 1-4, a kind of self-operated flow regulator provided by the invention, including valve body 1, hand control valve Core 2 and automatic adjustment spool 3;
Wherein 1 inside of valve body is in the cavity body of " people " font, and the right output port of cavity body flows into end 11, cavity for fluid The left port of body is fluid outflow end 12, and hand control valve core 2 and automatic adjustment spool 3 are arranged in the both ends of cavity body Between position and hand control valve core 2 protruded outward from the upper port 13 of cavity body;
Wherein hand control valve core 2 includes a cylinder adjustment portion 21 and an operation cylinder with angular cutouts 21a Adjustment portion 21 rotates and along the outwardly extending adjusting rod 22 of upper surface axis of cylinder adjustment portion 21;
21 outside wall surface of cylinder adjustment portion is bonded with 13 internal face of upper port of cavity body, and under cylinder adjustment portion 21 Annular spacing groove 13a parts inside the upper port 13 of end angular cutouts 21a and cavity body abut against cooperation;The adjusting rod 22 It is stretched out from the upper port 13 of cavity body and the upper end cover 4 at the upper port 13 with cavity body is nested;
Here, rotation adjusting rod 22 makes the lower end angular cutouts 21a of cylinder adjustment portion 21 along the upper port 13 of cavity body The annular spacing groove 13a in portion rotates and then controls the lower end angular cutouts 21a of cylinder adjustment portion 21 and the fluid of cavity body right end The opening degree for flowing into end 11 has the function that adjust fluid flow manually;
Automatic adjustment 3 nesting of spool is fastened in the upper port 13 of cavity body and under hand control valve core 2 Side, it is described automatic adjustment spool 3 include upper valve core 31, middle spool 32, bottom spool 33 and bottom end cover 34, wherein upper valve core 31, in Spool 32, bottom spool 33 and bottom end cover 34 are the cylindrical structure with locking edge, and upper valve core 31, middle spool 32, bottom spool 33 and bottom end cover 34 be nested successively;The cylinder side wall of the upper valve core 31 offers multiple windows, the cylinder of middle spool 32 Side wall also offers multiple windows, and the lower face of bottom end cover 34 is provided with recirculation hole;It is provided in support in the bottom spool 33 The lower spring 5 of spool 32, and the upper spring 6 of support upper valve core 31 is provided in middle spool 33.
Preferably, the lower external buckle edge nesting of the upper valve core 31 is fastened in the upper internal buckle edge of middle spool 32, and middle spool 32 lower external buckle edge nesting is fastened in the upper internal buckle edge of bottom spool 33, lower port outside wall surface and the bottom end cover 34 of bottom spool 33 Internal face fitting is fixed, the annular stop of the upper external buckle edge support clamping close of bottom end cover 34 inside the upper port 13 positioned at cavity body On annular convex platform 13b below slot 13a.
Preferably, the cylinder side wall of the upper valve core 31 is opened up there are four window, and the cylinder side wall of middle spool 32 offers Two windows.
Preferably, the end that the adjusting rod 22 stretches out upper end cover 4 is conveniently operated adjusting rod equipped with turntable by turntable 22。
Preferably, the adjusting rod 22 stretches out the rectangular port in end of upper end cover 4 or D-shaped port, and matched Turntable is provided with corresponding rectangular opening or D-shaped hole.
Preferably, the outer end face of the upper end cover 4 is provided with dial for 22 1 weeks along adjusting rod, and adjusting rod 22 or turntable Upper correspondence is furnished with debug point, when the debug point on adjusting rod 22 or turntable, which is turned to, to be aligned with a certain scale on dial, The fluid of lower end angular cutouts 21a and cavity body right end that represent the cylinder adjustment portion 21 of this graduation indication flow into opening for end 11 It is right, i.e. the fluid flow of this graduation indication.
Self-operated flow regulator provided by the invention, the course of work are as follows:
When the hot water of heat distribution pipe network is flowed into from the right output port of cavity body, can initial heat be adjusted with rotation manual spool Water through-current capacity, and the dial on upper end cover can be used for observing the opening degree of manual spool.Upper and lower spring is equal during original state There is certain preload amount, controlled by automatic spool bottom end cover, and original state can be set according to actual conditions.When in pipe network Pressure change when, upper and lower spring can automatically adjust the length of itself according to the size of pressure change, be directly changed runner Size, so as to change the size of hot water flow, to achieve the purpose that adjust hot water flow balance.Here, pressure change hour is only It works there are one spring, i.e., is under pressure on automatic spool and first upper spring is compressed, change the runner size of side, after And ensure the flow equilibrium of setting.When pressure change is big, after having compressed spring, lower spring is also compressed, i.e., upper and lower bullet Spring works simultaneously, and then changes the runner size of side again, so as to change the size of hot water flow, this runner reduce from And reduce hot water flow, achieve the purpose that adjust hot water flow balance.
Self-operated flow regulator provided by the invention, hand control valve core control the switch of valve and the entirety of runner Opening degree, and be provided on upper end cover dial have the function of convenient for observation, adjust, measurement valve is opened and is spent, herein The setting of dial can also allow user to set initial value, and then determine the opening degree of valve according to working site.In short, hand Dynamic control spool has the effects that cut-off, adjusting, throttling, non-return, shunting or overflow release.It automatically adjusts spool and uses two-pass Spring plays the role of balance system, and two springs are sectional-regulated to the position progress of spool, improve balance adjustment fluid The precision of flow.It specifically, can be according to fluid flow, the variation of pressure and then by two-pass spring come the big of constant flow rate It is small, so as to ensure the constant of fluid flow, realize thermodynamic equilibrium.
Self-operated flow regulator provided by the invention, the degree of regulation of fluid flow greatly increase, and realize thermal pipe The thermodynamic equilibrium of net saves cost of labor debugging cost.
In the description of the present invention, it is to be understood that term " on ", " in ", " under ", the sides of the instructions such as "left", "right" Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplify description, Rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and operation, because This is not considered as limiting the invention.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (7)

1. a kind of self-operated flow regulator, which is characterized in that including valve body, hand control valve core and automatic adjustment spool;
The valve inner is in the cavity body of " people " font, and the right output port of the cavity body flows into end, the cavity for fluid The left port of body is fluid outflow end, and the hand control valve core and automatic adjustment spool are arranged among the both ends of cavity body Position and hand control valve core is protruded outward from the upper port of cavity body;
The hand control valve core includes a cylinder adjustment portion with angular cutouts and an operation cylinder adjustment portion rotation And along the outwardly extending adjusting rod of upper surface axis of cylinder adjustment portion;
The cylinder adjustment portion outside wall surface is bonded with the upper port internal face of cavity body, and the lower end of the cylinder adjustment portion, which tilts, cuts Mouth abuts against cooperation with the annular stop slot part inside the upper port of cavity body;The adjusting rod is stretched from the upper port of cavity body Go out and be nested with the upper end cover at the upper port of cavity body;
The automatic adjustment spool nest card closes in the upper port of cavity body and positioned at the lower section of hand control valve core, it is described from Dynamic adjusting spool includes upper valve core, middle spool, bottom spool and bottom end cover, and the upper valve core, middle spool, bottom spool and bottom end cover are equal To carry the cylindrical structure of locking edge, and upper valve core, middle spool, bottom spool and bottom end cover are nested successively;The upper valve core Cylinder side wall offer multiple windows, the cylinder side wall of middle spool also offers multiple windows, the lower face of the bottom end cover It is provided with recirculation hole;The lower spring of spool in support is provided in the bottom spool, support upper valve is provided in the middle spool The upper spring of core.
2. self-operated flow regulator as described in claim 1, which is characterized in that the lower external buckle edge nest card of the upper valve core It closes in the upper internal buckle edge of middle spool, the lower external buckle edge nesting of the middle spool is fastened in the upper internal buckle edge of bottom spool, described The lower port outside wall surface of bottom spool is bonded fixation with the internal face of bottom end cover, and the upper external buckle edge support clamping close of the bottom end cover is in place On the annular convex platform below annular spacing groove inside the upper port of cavity body.
3. self-operated flow regulator as described in claim 1, which is characterized in that the cylinder side wall of the upper valve core offers Four windows, the cylinder side wall of the middle spool open up that there are two windows.
4. self-operated flow regulator as described in claim 1, which is characterized in that the outer end face of the upper end cover is along adjusting rod It is provided with dial within one week.
5. self-operated flow regulator as described in claim 1, which is characterized in that the adjusting rod stretches out the end of upper end cover Equipped with turntable.
6. self-operated flow regulator as claimed in claim 5, which is characterized in that the adjusting rod stretches out the end of upper end cover Rectangular port, and matched turntable is provided with corresponding rectangular opening.
7. self-operated flow regulator as claimed in claim 5, which is characterized in that the adjusting rod stretches out the end of upper end cover D-shaped port, and matched turntable is provided with corresponding D-shaped hole.
CN201711341051.0A 2017-12-14 2017-12-14 A kind of self-operated flow regulator Expired - Fee Related CN108194674B (en)

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Application Number Priority Date Filing Date Title
CN201711341051.0A CN108194674B (en) 2017-12-14 2017-12-14 A kind of self-operated flow regulator

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Application Number Priority Date Filing Date Title
CN201711341051.0A CN108194674B (en) 2017-12-14 2017-12-14 A kind of self-operated flow regulator

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CN108194674A true CN108194674A (en) 2018-06-22
CN108194674B CN108194674B (en) 2019-03-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113958742A (en) * 2021-09-29 2022-01-21 合肥通用机械研究院有限公司 Two-stage tower type adjustable constant flow balance valve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1888498A (en) * 2006-07-26 2007-01-03 浙江大学 Control valve core device for high-precision automatic flow balancing valve and producing method thereof
CN202228737U (en) * 2011-09-28 2012-05-23 湘潭瑞龙液压有限公司 One-way throttle valve
JP2015170722A (en) * 2014-03-06 2015-09-28 東フロコーポレーション株式会社 electromagnetic actuator
CN204985904U (en) * 2015-08-18 2016-01-20 绥中泰德尔自控设备有限公司 Dynamic pressure differential balanced valve that has valve turnout function and digital display pressure differential setting value

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1888498A (en) * 2006-07-26 2007-01-03 浙江大学 Control valve core device for high-precision automatic flow balancing valve and producing method thereof
CN202228737U (en) * 2011-09-28 2012-05-23 湘潭瑞龙液压有限公司 One-way throttle valve
JP2015170722A (en) * 2014-03-06 2015-09-28 東フロコーポレーション株式会社 electromagnetic actuator
CN204985904U (en) * 2015-08-18 2016-01-20 绥中泰德尔自控设备有限公司 Dynamic pressure differential balanced valve that has valve turnout function and digital display pressure differential setting value

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113958742A (en) * 2021-09-29 2022-01-21 合肥通用机械研究院有限公司 Two-stage tower type adjustable constant flow balance valve
CN113958742B (en) * 2021-09-29 2023-12-19 合肥通用机械研究院有限公司 Double-stage tower type adjustable constant flow balance valve

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