CN107191645A - Adjustable dynamic balance valve - Google Patents
Adjustable dynamic balance valve Download PDFInfo
- Publication number
- CN107191645A CN107191645A CN201710443515.2A CN201710443515A CN107191645A CN 107191645 A CN107191645 A CN 107191645A CN 201710443515 A CN201710443515 A CN 201710443515A CN 107191645 A CN107191645 A CN 107191645A
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- China
- Prior art keywords
- valve
- valve rod
- spool chamber
- hole
- potted component
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-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
- F16K17/30—Excess-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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to a kind of adjustable dynamic balance valve, provided with elasticity or flexible potted component in valve pocket, valve pocket is divided into the epicoele and cavity of resorption not connected directly mutually, lower intracavitary is provided with valve element, spool chamber connects valve water inlet by spool chamber intake tunnel, valve outlet is connected by spool chamber apopore, spool chamber apopore is provided with the side wall of valve element, at least part area in its interior side opening is located at the variable occlusion area below potted component, the bottom of valve rod is located in spool chamber and is threaded with the adjusting slider for flow set, valve rod hole water inlet connects spool chamber intake tunnel, valve rod hole delivery port connects epicoele.The present invention is simple in construction, easy to operate, and is quick on the draw, and reaches the stable effect of output flow.
Description
Technical field
The present invention relates to a kind of balanced valve, the dynamic balance valve that more particularly to a kind of flow can be adjusted.
Background technology
Hydraulic equilibrium refers to the reasonable distribution of stream reason.In heat supply and pipes system, water is heat-carrying agent medium, current
The reasonable distribution of amount is the basis of thermal drying balance.By taking heating system as an example, designer carry out hydraulic regime calculating when
Each branch flow is carries out in the case of the imagination of design load.Due to tubing and peak flow rate (PFR) into limitation, realize water in design
Dynamic balance is nearly impossible.It certainly will so cause near-end resistance coefficient to reach design ideal state, form proximal flow
Amount is excessive, the not enough detuning phenomena of remote traffic.
Balanced valve is a kind of valve of specific function, there is quantitative measurement function and regulatory function, can be with regulating system
The predetermined amount of flow of (such as each balcony) of each distributing point, makes the total flow of heating system obtain an equitable breakdown, well solution
Certainly this Flow-rate adjustment problem.
Although balanced valve has lot of advantages, also there are many problems in it in the application of air-conditioner water system.It is existing flat
The valve arrangement that weighs is complicated, operating difficulties, and non-management employee can not can not fully display with convenient to operate, the characteristics of balanced valve,
And autobalance effect is by a definite limitation.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of adjustable dynamic balance valve, simple in construction, operation side
Just, and it is quick on the draw, reaches the stable effect of output flow.
The technical scheme is that：
A kind of adjustable dynamic balance valve, including valve body and valve rod, valve of the valve body provided with valve pocket and the connection valve pocket
The upper lid of valve element installing port can be closed by being fixedly mounted on door water inlet and valve outlet, the valve element installing port of the valve body,
Provided with elasticity or flexible potted component in the valve pocket, the valve pocket is divided into what is do not connected directly mutually by the potted component
Epicoele and cavity of resorption, its periphery edge are connected in the cavity wall of the valve pocket, valve rod hole and institute of the valve rod through the upper lid
State the valve rod hole of potted component, with it is described it is upper lid be rotatably connected, be fixedly connected or be slidably connected with the potted component, it is described under
Intracavitary is provided with valve element, and the valve element is provided with the spool chamber of medium flow channels and institute between composition valve water inlet and valve outlet
The open top of valve element is stated, the spool chamber is connected the valve water inlet, gone out by spool chamber by spool chamber intake tunnel
Water hole connects the valve outlet, and the spool chamber apopore is provided with the side wall of the valve element, in its interior side opening
At least part area is located at the variable occlusion area below the potted component, and the bottom of the valve rod is located in the spool chamber
And it is threaded with valve rod hole and valve rod hole water inlet provided with axial direction in the adjusting slider for flow set, the valve rod
With valve rod hole delivery port, the valve rod hole water inlet connects the spool chamber intake tunnel, and the valve rod hole delivery port connects institute
State epicoele.
Beneficial effects of the present invention are：
It is simple in construction not comprising Electromagnetic Control because the present invention uses pure mechanic structure completely, it is with low cost；Due to by import
Locate flow and introduce two cavitys, adjust automatically spool chamber water outlet is changed by the pressure differential for importing and exporting side when there is pressure oscillation
Hole size, the flowed fluctuation that offset pressure difference band comes, and be quick on the draw, good reliability is less prone to failure；Rotation can be passed through
Valve rod carries out flow set and regulation, easy to operate；Flow can also be set to indicate, can easily recognize current valve
Aperture and setting uninterrupted, convenient use.This dynamic balance valve is easy to operate, and autobalance characteristic is good, any user
Corresponding operation is can be carried out, without special administrative staff.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is another schematic diagram corresponding with Fig. 1, to facilitate mark.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of adjustable dynamic balance valve that the present invention is provided includes valve body 10 and valve rod 9, described
Valve water inlet 24 and valve outlet 20 of the valve body provided with valve pocket and the connection valve pocket, the valve element installing port of the valve body
The upper lid 7 of valve element installing port can be closed by being fixedly mounted on 18, provided with elasticity or flexible potted component 12, institute in the valve pocket
State potted component and the valve pocket is divided into the epicoele 26 and cavity of resorption 21 not connected directly mutually, its periphery edge is connected to the valve
In the cavity wall of chamber, the valve rod rotates through the valve rod hole of the upper lid and the valve rod hole of the potted component with the upper lid
Connection, is fixedly connected or is slidably connected with the potted component（Allow the potted component of junction axially sliding with respect to valve rod
Dynamic movable connection method）, the lower intracavitary be provided with valve element 13, part of the valve element typically independently of valve body, so as to
In processing and manufacturing, it can also be integral with the valve body or be integrally formed, the valve element is provided with constituting valve water inlet and valve
The spool chamber and the open top of the valve element of medium flow channels between door delivery port, the spool chamber is intake logical by spool chamber
Road（The secondary water inlet side cavity of flow set and/or passage）The valve water inlet is connected, is connected by spool chamber apopore 19
The valve outlet, the spool chamber apopore is provided with the side wall of the valve element, at least part in its interior side opening
Area is located at the variable occlusion area below the potted component（It can be sealed that element is blocked, and its degree foundation that is blocked
Region that the change of potted component changes, described block is blocked and/or covered including influence resistance and the various of flow
Situation, for example, close to and make resistance increase so that influence flow）, the bottom of the valve rod is located in the spool chamber and screw thread
The adjusting slider 15 for flow set is connected with, because adjusting slider can be moved up and down when valve rod rotates, can be used
The prior art of any suitable, flow set pair is constituted using adjusting slider as the moving part for setting and adjusting for flow setting value
（The kinematic pair for flow set being made up of moving part and fixture）, flow is set by the realization that moves up and down of adjusting slider
Valve rod hole and valve rod hole water inlet and valve rod hole delivery port provided with axial direction in the setting or regulation of definite value, the valve rod, institute
State valve rod hole water inlet and connect the spool chamber intake tunnel（For example, in the valve element intake tunnel or passing through
Relevant connection passage connects valve element intake tunnel）, the valve rod hole delivery port connection epicoele（For example, located immediately at epicoele
It is interior or pass through relevant connection passage connect epicoele）, thus, the water in spool chamber intake tunnel can be directly entered through valve rod hole
Epicoele, is not hindered by flow set pair and potted component, because of the rise of valve influent side pipeline pressure and/or valve water outlet side
When pipeline pressure decline etc. causes the pressure differential rise between valve influent side and water outlet side, both sides above and below the potted component
Pressure differential（Pressure differential i.e. between upper and lower cavity）Become big, potted component be pressed downward, by potted component itself deformation and/or
Potted component is relative to the displacement that valve rod slide downward is brought, and the main body section of potted component is extended downwardly and/or mobile, is opened
Begin to block the coverage extent of spool chamber apopore or increase to spool chamber apopore, to offset the flow caused by pressure differential increases
Increase, conversely, causing valve to be intake because of the decline of valve influent side pipeline pressure and/or the rise of valve water outlet side pipeline pressure etc.
When pressure differential between side and water outlet side reduces, the pressure differential of both sides diminishes above and below the potted component, by potted component certainly
Under the action of reset spring that body spring return is acted on and/or being slidably connected on valve rod matches with potted component, sealing member
The main body section of part is shunk and/or mobile upwards, is reduced and is even no longer blocked spool chamber to the coverage extent of spool chamber apopore
Apopore, is reduced with offsetting caused by pressure differential diminishes flow, be achieved in automatic flow under pressure oscillation it is stable and
Balance, by theoretical calculation and/or experimental verification, can be obtained or optimization relative configurations and parameter, to obtain according to prior art
Obtain more preferable stability of flow and counterbalance effect.
The valve water inlet and valve outlet can in a tubular form, and the mouth of pipe constitutes medium and flowed into or flow channel, is
For the sake of simplicity, these medium flow channels directly can also be referred to as the valve water inlet and valve outlet.
The end profiles of the valve water inlet and valve outlet can be in be suitable to spanner operate positive six prismsby shape or
Internal thread can be provided with four-prism, pore, in order to carry out pipeline connection.
The potted component can use any suitable shape, as long as ensure both sides above and below it pressure effect under to
Spool chamber delivery port expands and/or mobile.For example, can be spherical crown shape convex downwards, by the import of spool chamber delivery port
It is arranged in the spherical protrusion direction and makes the spherical crown in the poor excursion of certain pressure, because by compression swelling and/or movement
And interior side opening that is close and/or blocking spool chamber delivery port, and for example, can be using plane, by entering for spool chamber delivery port
Mouth is arranged to and plane plane at an angle and presses close to the plane, when sealing unit acts on lower convexity in pressure differential,
Block the import of spool chamber delivery port the size substantially direct proportion of foundation pressure differential.
It is preferred that, the potted component is the elastic sheet material in surface of revolution shape, and its longitudinal section is substantially in（Elementary contour
For）The round and smooth W shapes in corner, the center portion thereof position is between its valve rod hole and periphery edge provided with that can pass through the valve rod hole of valve rod
The annular protrusion of the lower convex of annular, its periphery edge is fixed on the top port of the valve element, can generally use associated part
（It is for example upper to cover）The periphery edge of potted component is clamped between its lower end port end face and valve element upper end port end face（Referring to
Fig. 1）, to realize the connection and fixation of potted component peripheral part, the annular protrusion of the potted component is located in the valve element,
The radial outer side of the annular protrusion is adjacent with the inwall of the valve element, and spacing between the two is more down bigger, more up
Smaller, the spool chamber delivery port is located at the radial outside of the annular protrusion, the pressure of both sides above and below the potted component
When difference becomes big, the annular protrusion of the potted component is downward（Axially downwardly）With it is outside（Radially outward）Expansion, with valve element inwall
Between spacing reduce even subregion directly against on the inwall of the valve element, the coverage extent of spool chamber delivery port is increased
Greatly, the resistance to medium flow field is thereby increased, it is close when the connected mode of the potted component and the valve rod is is slidably connected
Envelope element can also be moved down from centre, and then drive annular protrusion downwardly and outwardly to move to a certain extent, enter one
Step increases the coverage extent to spool chamber delivery port, appropriateness selection or optimization seal element material characteristic, concrete shape, valve element
Chamber water outlet mouth-shaped, size and set location etc., can adjust potted component in valve Inlet and outlet water side ducts pressure change pair
The influence degree and influence changing rule of medium flow field resistance, are allowed to that the influence that pressure differential change is brought can be balanced out just.
The top of the valve rod can be provided with light bar segment, and bottom can be provided with external thread section, and the valve rod is by sliding
Element 11 realizes being slidably connected between the potted component, and the sliding members is provided with vertical center through hole and by this
Through hole is entreated to be socketed in the light bar segment on the valve rod top and coordinate with the light bar segment gap, the outside on the sliding members top
Face is provided with annular groove, and the valve rod hole edge of the potted component is inlaid in the annular groove of the sliding members,
The lower outside face of the sliding members is preferably in lower small taper type upper greatly, and lower end is highly not higher than the potted component
The lower end height of annular protrusion, thus by the annular protrusion of potted component extrude or be limited in its lateral surface and valve element medial surface it
Between annular gap in, to ensure that the annular protrusion of potted component can reliably press close to valve element inwall and/or be fitted in valve element
On inwall, and press close to more effectively and reliably to go out spool chamber with squeezing valve in-core wall, realization when annular protrusion is by compression swelling
Effectively blocking for water hole, improves self balancing sensitivity and reliability, the bottom of the center through hole of the adjusting slider is provided with
The internal thread being threadedly coupled with the external thread section of the stem lower portion, is achieved in the screw thread of the valve rod and the adjusting slider
Connection.
The bottom of the sliding members is provided with the upper spring mounting seat of concave shaped, and the upper spring mounting seat is preferably in opening
Cup-shaped directed downwardly, the top of the adjusting slider is provided with the lower spring mounting seat of concave shaped, and the lower spring mounting seat is preferably in
The cup-shaped for the direction that is open, is provided with the helical spring 30 as back-moving spring between the sliding members and the adjusting slider,
The helical spring is enclosed on the valve rod, and its upper end is arranged on the upper spring mounting seat, and lower end is pacified installed in lower spring
Fill on seat, when potted component is acted on by pressure at both sides difference up and down to be moved down, drive sliding members to move down, compression resets
Spring, and in pressure balance point balance, when the pressure differential of both sides reduces above and below potted component, sliding members is in back-moving spring
Move up, balanced in new pressure balance point under promotion.
Preferably, the adjusting slider is located at the top of the top exit of the spool chamber intake tunnel, with the valve element
The top exit of chamber intake tunnel, which is engaged to collectively form, can be manually set and adjust the flow set pair of flow, can adjust
Save the valve seal for being provided with or without cooperating at the bottom of sliding block and the top exit of spool chamber intake tunnel
Face, to allow to turn off medium flow field by flow set pair or be not provided with turn-off function that the prior art of any suitable can be used
The spool chamber intake tunnel for coordinating with the adjusting slider and carrying out flow set is set.Flow it is specific set and regulative mode as
Change the vertical position of the adjusting slider by rotary valve rod, and then change the top of adjusting slider and spool chamber intake tunnel
Gap between outlet（Or spacing）, change the secondary aperture of flow set, so that it is determined that setting or regulation flow, the regulation
Sliding block move up and down scope can according to needing setting, when adjusting slider is raised, adjusting slider and valve element intake tunnel
Spacing increase between delivery port or throat, reduces, you can form larger flow setting value to the resistance of medium flow field, conversely,
When adjusting slider is reduced, the spacing between the delivery port or throat of adjusting slider and valve element intake tunnel diminishes, to medium flow field
Resistance increase, you can form less flow setting value.
When potted component is connected by sliding members with valve stem slides and phase is set between sliding members and adjusting slider
During the back-moving spring answered, because moving up and down for adjusting slider together moves the lower end for driving back-moving spring, promote and slide member
Part simultaneously and then drives the central part movement in the same direction of potted component to reach new pressure balance, the related resistance of potted component formation
The associated resistive that power is formed with adjusting slider changes in the same direction, is thus exaggerated adjustment effect, makes regulation more quick.
The valve rod can be in a tubular form（Including wherein having one section in a tubular form）, the described valve rod hole of its pore composition, thereon
Port constitutes described valve rod hole delivery port, and its lower port constitutes described valve rod hole water inlet, and the bottom of the valve element is provided with
The annular boss 22 of the tubular upwardly extended, the center through hole of the annular boss penetrates the bottom of the valve element（Institute in other words
State the through hole that valve element bottom is connected as same through hole provided with the center through hole with the annular boss）And connected by interface channel
The valve water inlet（The connecting hole and/or link slot 23 for realizing this connection are set for example on valve body and/or valve element）, institute
The lower end for stating valve rod is extended in the annular boss, and the water of valve water inlet thus is introduced into annular boss center through hole, entered
And valve rod hole and epicoele are introduced, the base diameter of the adjusting slider is not less than the external diameter of the annular boss, and by the ring
The center through hole of shape boss is used as described spool chamber intake tunnel, by adjusting spacing of the adjusting slider relative to annular boss
Flow setting value is adjusted, the valve rod bottom inserted in annular boss polished rod can also be set to, and in annular boss
Rotation limiting structure provided with valve rod, to realize the rotational positioning to valve rod bottom, improves the stability of valve rod rotation.
Horizontally disposed valve pocket sealing ring 14 can be provided between the outer wall of the inwall of the valve pocket and the valve element, it is described
Valve water inlet and the valve outlet are located at the both sides up and down of the valve pocket sealing ring respectively, from there through valve pocket sealing ring
The medium flow field in cutting-off valve water inlet and the valve outlet gap between the inwall of the valve pocket and the outer wall of the valve element
Passage, at other sealed positions of needs, the sealing ring 4,8 needed for should also being set according to seal request etc..
The upper end of the valve rod is coaxially connected by spline connection structure and the lower end of adjusting rod 2, and the adjusting rod is provided with
External screw thread is fixed with externally threaded external thread sleeve 5, is threadedly coupled on the adjusting rod or the external thread sleeve
There is tapped pointer sleeve pipe 6, the pointer sleeve pipe is provided with fixed peace on the pointer extended radially outwardly out, the upper lid
The pointer through hole of vertical strip is offered on graduating cover 3 equipped with tubular, the side wall of the graduating cover, the pointer through hole
Side is provided with the scale for being used for indicating pointer height, and the pointer inserts the pointer through hole, and its outer end is logical positioned at the pointer
Outside hole or in the pointer through hole（Including concordant with the lateral surface of the graduating cover）, the width of pointer through hole may be slightly larger than position
In the pointer width in pointer through hole, rotated with allowing pointer to move up and down simultaneously limit pointer, thus when adjusting rod rotates, according to
By corresponding threaded function, pointer sleeve pipe is moved up and down with the rotation of valve rod, and then pointer is moved up and down and pointer
Height and the high-positive correlation of adjusting slider, thereby indicate that the setting flow under adjusting slider corresponding height, to show
With the storage altitude record.
The top of the external thread sleeve is preferably extension diameter section, and a ring is formed between the top of its inwall and the adjusting rod
Being fastened on annular groove between the top of connected in star, the top of the external thread sleeve and the adjusting rod has blanking cover 1, described
The top of adjusting rod is located in the blanking cover, is preferably square or regular hexagon column, auxiliary with instruments such as convenient use spanners
Completion is helped to adjust, the tip height of the graduating cover is not less than the tip height of the external thread sleeve, thus avoids external screw thread
The top of sleeve pipe is exposed.
The secondary influent side measurement mouth of flow set and flow set auxiliary waterexit side measurement mouth 25 are also provided with the valve body,
The secondary influent side measurement mouth of the flow set connects the valve water inlet or spool chamber intake tunnel, and the flow set pair goes out
Water side measurement mouth is connected to be equipped with the spool chamber or the valve outlet, the inwall of each measurement mouth and surveyed for installing
The internal thread of lid 16 or measurement apparatus is measured, when needing to carry out measurement of correlation, corresponding measurement apparatus can be installed, not
When needing measurement, lower measurement apparatus can be dismantled, has padded and has installed measurement lid after gasket seal 17 to close measurement mouth.
It is disclosed by the invention it is each preferably with optional technological means, unless otherwise indicated and one preferably or can selecting technology hand
Section is that outside the further restriction of another technological means, can form some different technical schemes in any combination.
Claims (10)
1. a kind of adjustable dynamic balance valve, including valve body and valve rod, the valve body is provided with valve pocket and connects the valve pocket
The upper of valve element installing port can be closed by being fixedly mounted on valve water inlet and valve outlet, the valve element installing port of the valve body
Lid, it is characterised in that provided with elasticity or flexible potted component in the valve pocket, the valve pocket is divided into by the potted component
The epicoele and cavity of resorption not connected directly mutually, its periphery edge are connected in the cavity wall of the valve pocket, and the valve rod is passed through on described
The valve rod hole of the valve rod hole of lid and the potted component, with it is described it is upper lid be rotatably connected, be fixedly connected with the potted component or
It is slidably connected, the lower intracavitary is provided with valve element, and the valve element is provided with medium flow field between composition valve water inlet and valve outlet
The open top of the spool chamber of passage and the valve element, the spool chamber connects the valve by spool chamber intake tunnel and intake
Mouthful, the valve outlet is connected by spool chamber apopore, the spool chamber apopore is provided with the side wall of the valve element,
At least part area in its interior side opening is located at the variable occlusion area below the potted component, the lower portion of the valve rod
In in the spool chamber and being threaded with the adjusting slider for flow set, the valve rod hole provided with axial direction in the valve rod with
And valve rod hole water inlet and valve rod hole delivery port, the valve rod hole water inlet connection spool chamber intake tunnel, the valve rod
Hole delivery port connects the epicoele.
2. adjustable dynamic balance valve according to claim 1, it is characterised in that the potted component is in surface of revolution
The elastic sheet material of shape, its longitudinal section is substantially in the round and smooth W shapes in corner, and the center portion thereof position, which is provided with, can pass through the valve rod hole of valve rod,
It is the annular protrusion of convex under annular between its valve rod hole and periphery edge, its periphery edge is fixed on the top end of the valve element
At mouthful, its annular protrusion is located in the valve element, and the radial outer side of the annular protrusion is adjacent with the inwall of the valve element, institute
State the radial outside that spool chamber delivery port is located at the annular protrusion.
3. adjustable dynamic balance valve according to claim 2, it is characterised in that the top of the valve rod is provided with polished rod
Section, bottom is provided with external thread section, and the valve rod realizes being slidably connected between the potted component by sliding members, described
Sliding members provided with vertical center through hole and pass through the center through hole be socketed in the light bar segment on the valve rod top and with the light
Bar segment gap coordinates, and the lateral surface on the sliding members top is provided with annular groove, the valve rod bore edges of the potted component
Position is inlaid in the annular groove of the sliding members, and the bottom of the center through hole of the adjusting slider is provided with and the valve rod
The internal thread of the external thread section threaded connection of bottom, is achieved in the threaded connection of the valve rod and the adjusting slider.
4. adjustable dynamic balance valve according to claim 3, it is characterised in that the bottom of the sliding members is provided with interior
The upper spring mounting seat of spill, the top of the adjusting slider is provided with the lower spring mounting seat of concave shaped, the sliding members and
Helical spring as back-moving spring is installed, the helical spring is enclosed on the valve rod, thereon between the adjusting slider
End is arranged on the upper spring mounting seat, and lower end is arranged in lower spring mounting seat.
5. according to any described adjustable dynamic balance valves of claim 1-4, it is characterised in that the adjusting slider is located at institute
The top of the top exit of spool chamber intake tunnel is stated, is engaged and collectively forms with the top exit of the spool chamber intake tunnel
It can be manually set and adjust the flow set pair of flow.
6. adjustable dynamic balance valve according to claim 5, it is characterised in that in a tubular form, its pore is constituted the valve rod
Described valve rod hole, its upper port constitutes described valve rod hole delivery port, and its lower port constitutes described valve rod hole water inlet, institute
The bottom for stating valve element is provided with the annular boss of the tubular upwardly extended, and the center through hole of the annular boss penetrates the valve element
Bottom simultaneously connects the valve water inlet by interface channel, and the lower end of the valve rod is extended in the annular boss, described
The base diameter of adjusting slider is not less than the external diameter of the annular boss, and by the center through hole of the annular boss as described
Spool chamber intake tunnel, by adjust adjusting slider relative to annular boss spacing adjust flow setting value.
7. adjustable dynamic balance valve according to claim 6, it is characterised in that the inwall of the valve pocket and the valve element
Outer wall between be provided with horizontally disposed valve pocket sealing ring, the valve water inlet and the valve outlet are located at described respectively
The both sides up and down of valve pocket sealing ring.
8. according to any described adjustable dynamic balance valves of claim 1-7, it is characterised in that the upper end of the valve rod passes through
The lower end of spline connection structure and adjusting rod is coaxially connected, and the adjusting rod is provided with external screw thread or is fixed with externally threaded
Tapped pointer sleeve pipe, the pointer are threaded with external thread sleeve, the adjusting rod or the external thread sleeve
Sleeve pipe is provided with the graduating cover that tubular is installed with the pointer extended radially outwardly out, the upper lid, the graduating cover
The pointer through hole of vertical strip is offered on the wall of side, the pointer inserts the pointer through hole, and its outer end is located at the pointer
Outside through hole or in the pointer through hole.
9. adjustable dynamic balance valve according to claim 8, it is characterised in that the top of the external thread sleeve is expansion
Footpath section, forms an annular groove between its inwall and the top of the adjusting rod, the top of the external thread sleeve is adjusted with described
Being fastened on annular groove between the top of pole has blanking cover, and the top of the adjusting rod is located in the blanking cover, the scale
The tip height of lid is not less than the tip height of the external thread sleeve.
10. adjustable dynamic balance valve according to claim 9, it is characterised in that be additionally provided with flow set on the valve body
Secondary influent side measurement mouth and flow set auxiliary waterexit side measurement mouth, the secondary influent side measurement mouth of the flow set connect the valve
Water inlet or spool chamber intake tunnel, the flow set auxiliary waterexit side measurement mouth connect the spool chamber or the valve water outlet
Mouthful, the internal thread for installing measurement lid or measurement apparatus is equipped with the inwall of each measurement mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443515.2A CN107191645B (en) | 2017-06-13 | 2017-06-13 | Adjustable dynamic balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443515.2A CN107191645B (en) | 2017-06-13 | 2017-06-13 | Adjustable dynamic balance valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107191645A true CN107191645A (en) | 2017-09-22 |
| CN107191645B CN107191645B (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710443515.2A Active CN107191645B (en) | 2017-06-13 | 2017-06-13 | Adjustable dynamic balance valve |
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| Country | Link |
|---|---|
| CN (1) | CN107191645B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468815A (en) * | 2018-06-22 | 2018-08-31 | 福州金典工业产品设计有限公司 | It is a kind of can be with the regulating valve and its assembly method of linear change circulation area |
| CN109555883A (en) * | 2018-07-09 | 2019-04-02 | 北京艾迪西暖通科技有限公司 | Electronic adjustable dynamic balance valve |
| CN109976393A (en) * | 2019-04-24 | 2019-07-05 | 王燕春 | A kind of liquid level difference regulation device |
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| CN109976393A (en) * | 2019-04-24 | 2019-07-05 | 王燕春 | A kind of liquid level difference regulation device |
| CN109976393B (en) * | 2019-04-24 | 2024-03-08 | 王燕春 | Liquid level difference regulating and controlling device |
| CN112013575A (en) * | 2019-05-31 | 2020-12-01 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
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