CN106609876B - Dynamic balance adjusting valve - Google Patents
Dynamic balance adjusting valve Download PDFInfo
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- CN106609876B CN106609876B CN201510703378.2A CN201510703378A CN106609876B CN 106609876 B CN106609876 B CN 106609876B CN 201510703378 A CN201510703378 A CN 201510703378A CN 106609876 B CN106609876 B CN 106609876B
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
Dynamic balance adjusting valve disclosed by the invention, including valve body and the spool being installed in the valve chamber of valve body；Valve chamber includes the intake antrum and water chamber that sealing separates；Spool includes the outer cylinder being fixedly linked with valve body, the inner cylinder being slidingly arranged in outer cylinder and the spool bottom cover for being fixed on outer cylinder bottom；The bottom of inner cylinder has pressure-sensitive plate；Outer cylinder has the water inlet being connected with intake antrum, the water outlet being connected to water chamber；The inner cavity of outer cylinder is the water stream channel for being connected to inlet and outlet, and the side wall of inner cylinder is provided with flow equilibrium mouth, and flow equilibrium mouth can adjust the circulation area of water outlet with inner cylinder relative to the sliding of outer cylinder；Spool bottom cover has the newel across pressure-sensitive plate；The top of newel is fixed with fixing seat；Elastomeric element is equipped between fixing seat and pressure-sensitive plate；The pressure-sensitive chamber being connected to intake antrum is formed between spool bottom cover and pressure-sensitive plate.Above scheme can improve the flow regulating effect of pipe network, guarantee stability of flow.
Description
Technical field
The present invention relates to valve design field more particularly to a kind of dynamic balance adjusting valves.
Background technique
In fluid supply off course pipe network variable water volume system, the resistance designing system pressure according to loop is needed, usually
Only designed according to the resistance of index circuit.However, when the actuating pressure of index circuit is guaranteed, other nodes
Actuating pressure may be much larger than design value, and then lead to the hydraulic misadjustment of system.In addition, the type selecting of water pump is excessive or improper also can
Cause operating flux to deviate design value, and then the water conservancy of system is caused to be lacked of proper care.And there is water conservancy imbalance in pipe network, it will cause
The shortening of a large amount of wastes, the increase of running noises and service life of equipment of the energy.
It the phenomenon that in order to which hydraulic pipeline imbalance is mitigated or eliminated, needs constantly to debug system, such mode is not only
Trouble takes considerable time, it is often more important that this adjusting is lag, as a result, system is still deposited at any time in actual use
The phenomenon that water conservancy is lacked of proper care.There is also solving the problems, such as this countermeasure using dynamic flow balance valve in traditional technology, but
Such dynamic flow balance valve uses rubber diaphragm as pressure balance part, water quality is poor or the higher use environment of pressure
In, rubber diaphragm is easy to appear damage, and the function of the dynamic flow balance valve is caused therefore to be lost.
In conclusion the flow regulating effect of pipe network is unsatisfactory in traditional technology, therefore, how to improve the stream of pipe network
Measure regulating effect, it has also become those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of dynamic balance adjusting valves, to improve the flow regulating effect of pipe network.
To achieve the goals above, the invention provides the following technical scheme:
A kind of dynamic balance adjusting valve, including valve body and the spool being installed in the valve chamber of the valve body；Wherein, the valve
Chamber includes the intake antrum and water chamber that sealing separates；The spool includes the outer cylinder being fixedly linked with the valve body, slidably sets
The inner cylinder that is placed in the outer cylinder and the spool bottom cover for being fixed on the outer cylinder bottom；The bottom of the inner cylinder has pressure-sensitive
Plate；The outer cylinder has the water inlet being connected with the intake antrum, the water outlet being connected to the water chamber；The outer cylinder
Inner cavity is the water stream channel for being connected to the water inlet and the water outlet, and the side wall of the inner cylinder is provided with flow equilibrium mouth, institute
The circulation area of the water outlet can be adjusted with the inner cylinder relative to the sliding of the outer cylinder by stating flow equilibrium mouth；It is described
Spool bottom cover has the newel across the pressure-sensitive plate；The top of the newel is fixed with fixing seat；The fixing seat with
Elastomeric element is provided between the pressure-sensitive plate；
Pressure-sensitive chamber, and the end face of the spool bottom cover and the pressure-sensitive are formed between the spool bottom cover and the pressure-sensitive plate
There are gaps between the end face of plate and between the inner cylinder and the side wall of the outer cylinder；The gap and the pressure-sensitive chamber connect
It is logical；The side wall of the outer cylinder is provided with the pressure guide hole for being connected to the intake antrum and the gap.
Preferably, above-mentioned dynamic balance adjusting valve further includes the actuator for being installed on the valve body top cover of the valve body, sliding
Being matched with shutting off in the outer cylinder cover and is fixed on the valve shaft of the cover that shuts off；Wherein: it is described shut off to be provide with set described
The top of inner cylinder；The cover that shuts off can be slided relative to the outer cylinder with water outlet described in sealing blocking；The actuator has
The valve shaft driving portion for moving it along the glide direction of the cover that shuts off can be applied to the valve shaft.
Preferably, one end of the valve shaft passes through the valve body top cover, and is fixedly linked with the cover that shuts off；The valve body
Position on top cover with valve shaft cooperation is provided with top cover gland；The top cover gland and the valve body top seal cooperate.
Preferably, the penetrating end of the valve shaft has the shaft shoulder and a circlip, the shaft shoulder and the circlip respectively with it is described
Shut off the two sides location fit up and down of cover.
Preferably, above-mentioned dynamic balance adjusting valve further includes that described shut off shutting off between cover and the fixing seat is arranged in
Cover dynamic clamping head and quiet clamping head.
Preferably, the flow equilibrium mouth includes the top that the inner cylinder is arranged in, and is connected to the water outlet more
A top flux balance port；Multiple top flux balance ports are arranged along the circumferencial direction of the inner cylinder；The top stream
Amount balance port is V-notch.
Preferably, the flow equilibrium mouth includes the bottom that the inner cylinder is arranged in, and is connected to the water inlet more
A overcurrent mouth；Multiple overcurrent mouths are arranged along the circumferencial direction of the inner cylinder.
Preferably, above-mentioned dynamic balance adjusting valve further includes manually adjusting cover；It is described manually adjust cover include cover and
Handle；
The cover is located at the bottom end of the outer cylinder, and is threadedly engaged with the outer cylinder；The cover can be relative to
The outer cylinder is mobile to close the water inlet；It is additionally provided on the side wall of the cover and is connected to the pressure guide hole and the gap
Avoid holes；
The handle passes through the valve body bottom cover of the valve body, and stretches in the valve body outside.
Preferably, above-mentioned dynamic balance adjusting valve further includes handwheel, and the handwheel and the valve body bottom cover form revolute pair；
Circumferentially limit cooperates for the handwheel and the handle；
Flow scale section is provided on the handle, the flow scale section passes through the handwheel to show the water inlet
Setting flow.
In the above-mentioned technical solutions, during dynamic balance adjusting valve work provided by the invention, flow through what balance was adjusted
When pressure change occurs in water, difference will occur in the pressure in induction cavity and water stream channel, and under the action of the difference, inner cylinder is by phase
Outer cylinder is slided, and deformation occurs therewith for elastomeric element at this time, with the variation of decrement, elastomeric element acts on sense
The active force of pressing plate also changes, and is finally reached equilibrium state, i.e., so that inner cylinder is no longer slided relative to outer cylinder.And reach this
During balance, the flow equilibrium mouth of inner cylinder can adjust the circulating face of water outlet with inner cylinder relative to the sliding of outer cylinder
Product, and then guarantee that the flow for flowing through dynamic balance adjusting valve remains at setting flow.And this process is in dynamic equilibrium
It is dynamically carried out in the course of work of regulating valve, and realizes that the components of this adjusting are also not easy to damage.Therefore, this hair
The external adjustable type dynamic balance electric regulating valve of bright offer has better flow regulating effect.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one recorded in the present invention
A little embodiments are also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is the structural schematic diagram of dynamic balance adjusting valve provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of outer cylinder provided in an embodiment of the present invention；
Fig. 3 is the sectional view along A-A of Fig. 2；
Fig. 4 is the structural schematic diagram of inner cylinder provided in an embodiment of the present invention；
Fig. 5 is the B-B direction cross-sectional view of Fig. 4；
Fig. 6 is the structural schematic diagram of spool bottom cover provided in an embodiment of the present invention；
Fig. 7 is the C-C of Fig. 6 to cross-sectional view；
Fig. 8 is the structural schematic diagram provided in an embodiment of the present invention for manually adjusting cover；
Fig. 9 is the D-D of Fig. 8 to cross-sectional view；
Figure 10 is the installation diagram provided in an embodiment of the present invention for manually adjusting cover and manually adjusting handwheel；
Figure 11 is the E-E of Figure 10 to cross-sectional view；
Figure 12 is water flowing schematic diagram when dynamic balance adjusting valve provided in this embodiment works, the arrow direction in Figure 12
For water flowing direction.
Description of symbols:
1- actuator, 2- actuator locking nut, 3- top cover gland, 4- gland inner seal ring, 5- gland exterior seal ring, 6-
Sealing shield ring, 7- valve body top cover, 8- top cover screw and washer, 9- top seal circle, 10- cover, the 11- cover that shuts off that shuts off reset bullet
Spring, 12- valve shaft, 13- sealing ring, 14- valve core seal ring, 15- outer cylinder, 16- inner cylinder, 17- fixing seat, 18- spring, 19- pressure-sensitive
Plate, 20- spool bottom cover, 21- valve body bottom cover sealing ring, 22- bottom cover fixing screws and washer, 23- valve body bottom cover, 24- handwheel,
25- manually adjusts cover, 26- adjusts cover sealing ring, 27- valve body, 28- shut off cover sealing ring, 29- gasket, 30- circlip, 31- pressure-sensitive
Plate sealing ring, 151- water inlet, 152- water outlet, 153- screw thread, 154- pressure guide hole, 155- screw thread, 156- annular groove, the top 161-
Flow equilibrium mouth, 162- overcurrent mouth, 163- pressure-sensitive plate, 210- newel, 220- lid ontology, 251- handle, 252- avoid holes.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
Fig. 1-12 is please referred to, the embodiment of the invention provides a kind of dynamic balance adjusting valves, for adjusting the water flow of pipeline
Amount.The dynamic balance adjusting valve includes valve body 27 and spool.Valve body usually has valve body top cover 7 and valve body bottom cover 23, valve body top
Lid 7 and valve body bottom cover 23 are detachably fixed, convenient for the installation of spool.Valve body top cover 7 can be fixed by top cover screw and washer 8
In the top of valve body 27, and top seal circle 9 is set, to guarantee the sealing of junction between valve body top cover 7 and valve body 27.Valve body
Bottom cover 23 can be fixed on the bottom of valve body 27 by bottom cover fixing screws and washer 22, and between valve body bottom cover 23 and valve body 27
It is provided with valve body bottom cover sealing ring 21, to guarantee the sealing of junction.
Spool is arranged in the valve chamber of valve body 27, valve chamber include seal isolation intake antrum and water chamber, intake antrum with into
Waterpipe connection, water chamber with outlet conduit for being connected to.In the present embodiment, spool be installed in the valve chamber of valve body 27 partition it
The seal isolation of intake antrum and water chamber is realized by a series of sealings afterwards.
Spool includes outer cylinder 15, inner cylinder 16 and spool bottom cover 20.Wherein, outer cylinder 15 is the peripheral components of spool, is fixed on
On valve body 27.Outer cylinder 15 can be cooperated by screw thread 153 to be fixed on the partition of valve body 27, and is arranged between outer cylinder 15 and partition
Valve core seal ring 14.Outer cylinder 15 has water outlet 152 and water inlet 151, and water inlet 151 is connected with intake antrum, water outlet 152
It is connected with water chamber.Spool bottom cover 20 is fixedly connected on the bottom of outer cylinder 15.In general, the bottom of spool bottom cover 20 and outer cylinder 15
It is achieved a fixed connection by being threadedly engaged.
Inner cylinder 16 is slidingly arranged inside outer cylinder 15, and the bottom of inner cylinder 16 has pressure-sensitive plate 163, spool bottom cover 20 and sense
Induction cavity, and the end face and inner cylinder 16 of the end face of spool bottom cover 20 and pressure-sensitive plate 163 and the outer cylinder are formed between pressing plate 163
There are gaps between 15 side wall；Gap is connected to pressure-sensitive chamber.The side wall of outer cylinder 15 is provided with connection intake antrum and gap
Pressure guide hole 154, so that induction cavity is identical as the water flow pressure of intake antrum.When the water flow pressure of intake antrum changes,
Pressure-sensitive chamber can also sense, so that water flow pressure variation is reflected to pressure-sensitive plate 163, i.e. pressure-sensitive plate 19 in Fig. 1.Inner cylinder
16 inner cavity is water stream channel, and water stream channel is connected to water inlet 151 and water outlet 152.Water stream channel and pressure-sensitive chamber are located at
The two sides of pressure-sensitive plate 163.Water flow sequentially passes through water inlet 151, water stream channel and water outlet 152 from intake antrum and enters water outlet
Chamber.
The side wall of inner cylinder 16 is provided with flow equilibrium mouth, and flow equilibrium mouth being capable of sliding with inner cylinder 16 relative to outer cylinder 15
Adjust the circulation area of water outlet 152, the change of circulation area can be realized the flow adjusting by dynamic balance adjusting valve.
Sealing ring is provided between inner cylinder 16 and outer cylinder 15 to realize the sealing between the two sliding surface.
Spool bottom cover 20 has the newel 210 across pressure-sensitive plate 163, and the top of newel 210 is fixed with fixing seat 17,
Elastomeric element is provided between fixing seat 17 and pressure-sensitive plate 163.Elastomeric element is usually spring 18.The top of newel 210 is
The end of thread, fixing seat 17 and the top of newel 210 are threadedly engaged.Pressure-sensitive plate is provided between newel 210 and pressure-sensitive plate 163
Sealing ring 31 is to guarantee the seal isolation between pressure-sensitive chamber and water stream channel.Spool bottom cover 20 includes lid ontology 220 and newel
210.Preferably, Gai Benti 220 is an integral molding structure with newel 210, as shown in Figures 6 and 7.
Dynamic balance adjusting valve provided in this embodiment plays the role of balance, refers to the premise being set in flow
Under, the flow of dynamic balance adjusting valve is not with the change in pressure of inlet and outlet.
According to flow formula(kv is the negotiability of valve, directly related with the openings of sizes of valve),
In the case where pressure difference increases, guarantees that kv reduces according to special ratios, the balance of flow can be realized, i.e., it is stable to be flowed in setting
Amount.
Make below with reference to flow equilibrium process of the Figure 12 to dynamic balance adjusting valve provided by the present embodiment further
It introduces and explains.The flow equilibrium function of dynamic balance adjusting valve provided in this embodiment relies primarily on inner cylinder 16 and elastomeric element
The equilibrium relation of (such as spring 18) is come realizing.Shown in Figure 12, since pressure-sensitive chamber is connected to intake antrum, the water of intake antrum
Press P1 identical as the hydraulic pressure of pressure-sensitive chamber, also allowing for the intracavitary pressure of pressure-sensitive is also P1.Water flow enters spool from water inlet 151
Inner cavity, that is, the inner cavity of outer cylinder 15, i.e. water stream channel, water flow produces pressure drop during this, so that the pressure of the inner cavity of spool
Power becomes P2 (P2 < P1).At this point, the hydraulic pressure between water stream channel and pressure-sensitive chamber has pressure difference, so that pressure-sensitive plate 163
Two sides generate pressure difference, which is (P1-P2) * S；Wherein S is the projected area of pressure-sensitive plate acting surface, pressure-sensitive plate 163
Acting surface both side surface area equation.In such cases, pressure-sensitive plate 163 moves up, so that inner cylinder 16 is relative to outer
15 upward slidings of cylinder.Since elastomeric element is arranged between pressure-sensitive plate 163 and fixing seat 17, and the spool that fixing seat 17 connects
Bottom cover 20 and outer cylinder 15 are fixed, and therefore, the mobile of pressure-sensitive plate 163 can elasticity of compression component.
Under the premise of increasing elastomeric element deflection, a balance, i.e. P1*S=P2*S+F can be obtained.Work as system pressure
When fluctuating, by taking pressure increases as an example, P1 increase becomes P1 ', and P2 is increased to P2 ', and Δ P1 > Δ P2, therefore P1 ' * S
The pressure-sensitive balance of > P2 ' * S+F is broken, and inner cylinder 16 can move upwards.The flow equilibrium mouth of inner cylinder 16 is at least partially obscured, in turn
So that the negotiability KV value of dynamic balance adjusting valve reduces.Elastomeric element is compressed simultaneously, and elastic force increase becomes F ', Zhi Daoshi
Now newly balance P1 ' * S=P2 ' * S+F '.The process is the process of a dynamic change, P1 ', P2 ' and F ' moment all variation with
Realize final balance.In this new balance,Because pressure differential deltap P increases before and after valve, and valve
New negotiability KV ' reduction.It can finally guarantee that the water flow value of circulation dynamic balance adjusting valve is constant, i.e. guarantee water flow
Flow value is setting flow.
For the content described in the background technique, dynamic balance adjusting valve provided in this embodiment passes through pressure-sensitive
Effect between plate 163 and elastomeric element, so that the area of the flow equilibrium mouth on inner cylinder 16 can correspond to after hydraulic pressure changes
It changes, so that the circulation area of water outlet 152 changes, and then changes the circulation energy of dynamic balance adjusting valve
Power, so that guaranteeing that the flow of dynamic balance adjusting valve remains at setting flow after hydraulic pressure changes.And
The components for stating adjusting in realization are also not easy to damage, therefore dynamic balance adjusting valve provided in an embodiment of the present invention has
There is better flow regulating effect.
Dynamic balance adjusting valve provided in this embodiment can also include actuator 1, shut off cover 10 and valve shaft 12.Actuator
1 is installed on the valve body top cover 7 of valve body 27, and the cover 10 that shuts off is snug fit inside outer cylinder 15, and valve shaft 12 is fixed on the cover 10 that shuts off, valve
It is mobile that the movement of axis 12 is able to drive the cover 10 that shuts off.Usual actuator 1 is fixed on valve body top cover 7 by actuator locking nut 2
On.The top of inner cylinder 16 is arranged in the cover 10 that shuts off, and the cover 10 that shuts off can be slided relative to outer cylinder 15 water outlet 152 is gradually reduced
Circulation area, until blocking water outlet 152, actuator 1, which has to apply to valve shaft 12, makes it along 10 glide direction of cover of shutting off
Mobile valve shaft driving portion.The valve shaft driving portion driving valve shaft 12 of actuator 1 is mobile and then drives the sliding of cover 10 of shutting off indirectly, into
And realize and the flow of dynamic balance adjusting valve is set, that is, determine setting flow.In order to guarantee to seal, valve shaft 12 with shut off
The cover sealing ring 28 that shuts off is provided between cover 10.In addition, the mobile of the above-mentioned cover 10 that shuts off can shut water outlet 152, and then realize
The thorough closing of dynamic balance adjusting valve closes sealing to realize, it is preferred that set on the end face of the water outlet 152 of outer cylinder 15
It is equipped with annular groove 156, sealing ring 13 is laid in annular groove 156, is docked when the cover 10 that shuts off is in truncation position with the sealing of sealing ring 13.
In the present embodiment, actuator 1 can be manual operating equipment, or automatic control equipment.Actuator 1 is preferred
For adaptive type, learning functionality is had.After actuator 1 powers on, the extreme position that valve shaft 12 moves downward can be automatically determined,
And using the top dead centre of valve shaft 12 as starting point, will to lower limit position as terminal, then linearly correspond to its 0~10V or 4~
The control signal of 20mA.In use, dynamic equilibrium need to only be adjusted to the corresponding voltage of actuator 1 or current signal, actuator 1
The unlatching of valve realizes the motorized adjustment function of valve to specific aperture.
Specifically, one end of valve shaft 12 passes through valve body top cover 7, and it is fixedly linked with the cover 10 that shuts off.On valve body top cover 7 with valve
The position that axis 12 cooperates is provided with top cover gland 3, and top cover gland 3 and the sealing of valve body top cover 7 cooperate.Specifically, top cover gland 3 with
Gland exterior seal ring 5 is provided between valve body top cover 7.Gland inner seal ring 4 is provided between top cover gland 3 and valve shaft 12.Such as
Shown in Fig. 1, top cover gland 3 usually has groove, is provided with Sealing shield ring 6 in groove, gland inner seal ring 4 is located in groove
Between bottom surface and Sealing shield ring 6.
Specifically, the penetrating end of valve shaft 12 has the shaft shoulder and is provided with circlip 30 and gasket 29, the shaft shoulder and circlip 30 divide
Not with the two sides location fit up and down for the cover 10 that shuts off.
Under the action of actuator 1, valve shaft 12 moves down and then realizes the movement to the cover 10 that shuts off.When shut off cover 10 not by
Under pressure when, the reset for the cover 10 that needs to shut off.Preferably, dynamic balance adjusting valve provided in this embodiment can also include setting
It sets in the cover dynamic clamping head and quiet clamping head of shutting off between cover 10 and fixing seat 17 of shutting off.Cover dynamic clamping head and quiet clamping head of shutting off can be cover reset of shutting off
Spring 11.
In the present embodiment, flow equilibrium mouth includes the top that inner cylinder 16 is arranged in, and the multiple tops being connected to water outlet 152
Portion's flow equilibrium mouth 161, top flux balance port 161 are preferably V-notch.V-notch can more easily guarantee above-mentioned
KV (i.e. the negotiability of valve) is gradually increased and decreased with preset ratio, then guarantees the balance of flow.More preferably, multiple tops
Flow equilibrium mouth 161 is arranged along the circumferencial direction of inner cylinder 16, so that the water flow for flowing to water outlet 152 is more stable.
The flow equilibrium mouth includes the bottom that the inner cylinder 16 is arranged in, and is connected to the water inlet 151 multiple
Overcurrent mouth 162；Multiple overcurrent mouths 162 are arranged along the circumferencial direction of the inner cylinder 16.
Referring again to 8-11, the embodiment of the present invention can also include manually adjusting cover 25, and manually adjusting cover 25 includes cover
Body and handle 251, cover is located at the bottom end of outer cylinder 15, and cooperates with the screw thread 155 on outer cylinder 15.Cover can be relative to outer
Cylinder 15 is mobile gradually to close water inlet 151, and the avoid holes in connection pressure guide hole 154 and gap are additionally provided on the side wall of cover
252.Handle 251 passes through the valve body bottom cover 23 of valve body 27, and stretches in valve body 27 outside.By turn-knob handle 251 make cover along
Outer cylinder 15 is mobile, and then can adjust cover to the closure degree of water inlet 151, and then plays the role of adjusting flow.In order to
Guarantee sealing, multiple tracks is provided between handle 251 and valve body bottom cover 23 and adjusts cover sealing ring 26.
More preferably, above-mentioned dynamic balance adjusting valve can also include handwheel 24, handwheel 24 and the formation of valve body bottom cover 23
Revolute pair, handwheel 24 and the circumferential limit of handle 251 cooperate.Handle 251 is provided with flow scale section, and flow scale section passes through handwheel
24 to show the setting flow of water inlet 151.With the precession degree for manually adjusting cover 25, the mark of different parts on handle 251
Note can be exposed, and operator can read the exposed label of institute to determine setting flow.
It is above that certain exemplary embodiments of the invention are only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (9)
1. a kind of dynamic balance adjusting valve, which is characterized in that including valve body and the spool being installed in the valve chamber of the valve body；Its
In, the valve chamber includes the intake antrum and water chamber that sealing separates；The spool include the outer cylinder being fixedly linked with the valve body,
The inner cylinder that is slidingly arranged in the outer cylinder and the spool bottom cover for being fixed on the outer cylinder bottom；The bottom of the inner cylinder has
Thoughts pressing plate；The outer cylinder has the water inlet being connected with the intake antrum, the water outlet being connected to the water chamber；It is described
The inner cavity of outer cylinder is the water stream channel for being connected to the water inlet and the water outlet, and the side wall of the inner cylinder is provided with flow equilibrium
Mouthful, the flow equilibrium mouth can adjust the circulating face of the water outlet with the inner cylinder relative to the sliding of the outer cylinder
Product；The spool bottom cover has the newel across the pressure-sensitive plate；The top of the newel is fixed with fixing seat；It is described solid
Elastomeric element is provided between reservation and the pressure-sensitive plate；
Pressure-sensitive chamber, and the end face of the spool bottom cover and the pressure-sensitive plate are formed between the spool bottom cover and the pressure-sensitive plate
There are gaps between end face and between the inner cylinder and the side wall of the outer cylinder；The gap is connected to the pressure-sensitive chamber；
The side wall of the outer cylinder is provided with the pressure guide hole for being connected to the intake antrum and the gap.
2. dynamic balance adjusting valve according to claim 1, which is characterized in that further include the valve body for being installed on the valve body
The actuator of top cover is snug fit at shutting off in the outer cylinder and cover and is fixed on the valve shaft of the cover that shuts off；Wherein: described
Shut off to be provide with and set on the top of the inner cylinder；The cover that shuts off can be slided relative to the outer cylinder with water outlet described in sealing blocking
Mouthful；The actuator, which has to apply to the valve shaft, drives it along the valve shaft that the glide direction of the cover that shuts off moves
Portion.
3. dynamic balance adjusting valve according to claim 2, which is characterized in that one end of the valve shaft passes through the valve body
Top cover, and be fixedly linked with the cover that shuts off；Position on the valve body top cover with valve shaft cooperation is provided with top cover gland；
The top cover gland and the valve body top seal cooperate.
4. dynamic balance adjusting valve according to claim 2 or 3, which is characterized in that the penetrating end of the valve shaft has axis
Shoulder and circlip, the shaft shoulder and the circlip two sides location fit up and down with the cover that shuts off respectively.
5. dynamic balance adjusting valve according to claim 2, which is characterized in that further include being arranged in cover and the institute of shutting off
State the cover dynamic clamping head and quiet clamping head of shutting off between fixing seat.
6. dynamic balance adjusting valve according to claim 1, which is characterized in that the flow equilibrium mouth includes being arranged in institute
The multiple top flux balance ports stating the top of inner cylinder, and being connected to the water outlet；Multiple top flux balance port edges
The inner cylinder circumferencial direction arrangement；The top flux balance port is V-notch.
7. dynamic balance adjusting valve according to claim 1 or 6, which is characterized in that the flow equilibrium mouth includes setting
In the bottom of the inner cylinder, and the multiple overcurrent mouths being connected to the water inlet；Multiple overcurrent mouths are along the inner cylinder
Circumferencial direction arrangement.
8. dynamic balance adjusting valve according to claim 1, which is characterized in that further include manually adjusting cover；It is described manual
Adjusting cover includes cover and handle；
The cover is located at the bottom end of the outer cylinder, and is threadedly engaged with the outer cylinder；The cover can be relative to described
Outer cylinder is mobile to close the water inlet；It is additionally provided on the side wall of the cover and is connected to keeping away for the pressure guide hole and the gap
Allow hole；
The handle passes through the valve body bottom cover of the valve body, and stretches in the valve body outside.
9. dynamic balance adjusting valve according to claim 8, which is characterized in that further include handwheel, the handwheel with it is described
Valve body bottom cover forms revolute pair；Circumferentially limit cooperates for the handwheel and the handle；
Flow scale section is provided on the handle, the flow scale section passes through the handwheel to show setting for the water inlet
Constant flow.
Priority Applications (1)
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| CN107191645B (en) * | 2017-06-13 | 2020-01-17 | 北京艾迪西暖通科技有限公司 | Adjustable dynamic balance valve |
| CN109140789B (en) * | 2018-09-29 | 2023-11-24 | 万家乐热能科技有限公司 | Gas proportional valve adjusting device |
| CN110078167B (en) * | 2019-05-29 | 2023-11-14 | 哈尔滨恒通排水设备制造股份有限公司 | Liquid level adjusting device of oil-water separator and method for realizing oil-water separation |
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| JP3871065B1 (en) * | 2005-11-24 | 2007-01-24 | Ｎｏｋ株式会社 | Pressure reducing valve |
| CN102072348A (en) * | 2011-01-31 | 2011-05-25 | 欧文托普阀门***(北京)有限公司 | Valve liner type adjustable dynamic balance valve |
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| CN102128293A (en) * | 2010-12-07 | 2011-07-20 | 杭州春江阀门有限公司 | Adjustable dynamic flow balancing valve |
| CN202132567U (en) * | 2011-06-16 | 2012-02-01 | 陈建华 | Integrated reducing valve |
| CN205244524U (en) * | 2015-10-26 | 2016-05-18 | 北京海林绿建节能技术有限公司 | Dynamic balance adjusting valve |
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| JP3871065B1 (en) * | 2005-11-24 | 2007-01-24 | Ｎｏｋ株式会社 | Pressure reducing valve |
| CN102128293A (en) * | 2010-12-07 | 2011-07-20 | 杭州春江阀门有限公司 | Adjustable dynamic flow balancing valve |
| CN102072346A (en) * | 2010-12-30 | 2011-05-25 | 欧文托普阀门***(北京)有限公司 | Membrane pressure type dynamic balance manual adjusting valve |
| CN102072348A (en) * | 2011-01-31 | 2011-05-25 | 欧文托普阀门***(北京)有限公司 | Valve liner type adjustable dynamic balance valve |
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