CN102072346B - Membrane pressure type dynamic balance manual adjusting valve - Google Patents
Membrane pressure type dynamic balance manual adjusting valve Download PDFInfo
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- CN102072346B CN102072346B CN2010106236217A CN201010623621A CN102072346B CN 102072346 B CN102072346 B CN 102072346B CN 2010106236217 A CN2010106236217 A CN 2010106236217A CN 201010623621 A CN201010623621 A CN 201010623621A CN 102072346 B CN102072346 B CN 102072346B
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Abstract
The invention provides a membrane pressure type dynamic balance manual adjusting valve. The adjusting valve comprises a handle component and an integrated valve which is positioned below the handle component and is fixedly connected with the handle component, wherein the adjusting valve is uniquely and integrally designed, so the dynamic flow balance of the valve is integrally combined with flow adjustment; the flow adjustment is realized through a low-torque small-angle travel turn-off structure; a valve body and an automatic flow balance component structure are optimally designed, so flow resistance and noise are reduced; the design of the handle component is suitable for the operation environment of a pipeline well; the adjusting valve has the advantages of high flow capacity, accuracy and convenience of operating control, wide working pressure difference range, convenience of assembly and maintenance, long life and low cost; a manual setting state can be controlled in real time through the flow of the valve; the adjusting valve is mainly applied to building heating, ventilating and air conditioning systems, industrial or residential fluid pipe network transmission and distribution systems and industries such as petroleum, chemical industry and the like; thus, the misadjustment phenomenon of water conservancy flow of a client pipe network system can be substantially eliminated and the valve is adjusted in real time to fulfill the aim of guaranteeing dynamic flow balance of a pipe network and energy conservation.
Description
Technical field
The present invention relates to a kind of valve, be specifically related to a kind of mould formula transient equiliblium manual modulation valve.
Background technique
In the different journey pipe network of fluid transmission & distribution flow-changing water system; Often only consider the calculation of resistance of index circuit during actual design; When the actuating pressure of system's least favorable node was able to guarantee, the actuating pressure of other node possibly cause the hydraulic misadjustment of system much larger than design load.Also can cause moving flow off-design value and the type selecting of water pump is excessive or improper, the result of pipe network water force unbalance causes the increase of a large amount of wastes of the energy, running noises and the shortening of service life of equipment.In order to alleviate or to eliminate this pipe network energy imbalance, need constantly debug system, not only bother, the labor time, the more important thing is that this adjusting lags behind, there is energy imbalance at any time in system during consequently actual the use.
The operating pressure differential scope of the transient equiliblium manual modulation valve of domestic manufacturer's production at present is little, and flow control accuracy is low, has serious vibrating noise, can't satisfy the needs of actual engineering.Analyze from the structure of product, these products all are to combine flow balance valve and modulating valve simply, and the resistance coefficient of valve is very big, and physical dimension is also very big, and it is bigger to turn-off required power value, is unfavorable for the engineering practical application; And the defective in the design of the handle of valve or the existence locking perhaps is not suitable for narrow and small conduit shaft environment because of taking than large space, perhaps under sweated environment, is prone to produce stuck phenomenon.
Summary of the invention
The present invention accomplishes in order to solve deficiency of the prior art; The purpose of this invention is to provide a kind of rational in infrastructure, operating pressure differential wide ranges, control accuracy is high, resistance coefficient is little, easy to adjust, can be controlled at the mould formula transient equiliblium manual modulation valve of manual set condition in real time through the flow of valve; Be mainly used on building heating ventilation air-conditioning system and industry or the civilian fluid pipe network distributing system; With the fluid flow of control flows through equipment and user; Real-time regulated reaches the purpose of guaranteeing pipe network dynamic flow balance and energy saving.
Technological scheme of the present invention is:
Mould formula transient equiliblium manual modulation valve, comprise Handleset and be positioned at said Handleset below, with the one valve that said Handleset is fixedly connected and the center is coaxial, it is characterized in that:
Said one valve comprises loam cake, lower cover, at the valve body that tightens together between loam cake and the lower cover and with loam cake and lower cover and be positioned at valve inner and with the flow regulating unit of valve body concentric be positioned at the flow equilibrium assembly below the flow regulating unit; Said flow regulating unit is positioned at the loam cake below and is positioned at the fluid input place on said valve body top, is fixedly connected with compression spring with screw with valve body, and the regulation structure of employing angle stroke mode and Handleset and valve body form a whole; Said flow equilibrium assembly is positioned at the bottom of valve body, and lower cover and valve body are fixed in the valve body chamber through screw, and the lower cover pressure guide hole that covers down communicates with the valve body pressure guide hole on the valve body;
Said Handleset comprises the handle set of the disc that is fixedly connected with the one valve of the foot that is positioned at Handleset, handle body and the stop pin on the handle set; The center of said handle set is the large through-hole that can pass the valve shaft of one valve; In 90 ° of scopes of the sidewall of said handle set, circumferentially evenly be placed with the trapezoidal hole of a plurality of perforations; Said handle body comprises grip part and basal disc, and the bottom of said grip part is fixedly connected with said basal disc, forms cavity between said grip part and the said basal disc; The center of said basal disc be one with the through hole of the large through-hole concentric of said handle set; Protrusion is formed with the clamping arrangement of symmetry on said basal disc, around the through hole; Said clamping arrangement is a pair of symmetrically arranged clamp clip, and the outside arcuation in the middle part of said each clamp clip is outstanding, both sides extend in parallel, and fits with the valve shaft end sides of the modulating valve of the large through-hole that passes handle set respectively in the through hole at the center of basal disc and the middle part of clamp clip; Extending in parallel on the part of each clamp clip is arranged with perforation; Fastening piece cooperates clamp clip locking with perforation, thereby valve shaft is pushed down locking, and handle body and valve shaft are synchronized with the movement; The periphery of the basal disc on the said handle body is provided with a circular locking jack; Said stop pin is a stainless steel part; Be divided into three sections from top to down, be respectively the top knurled head that plays anti-skidding and the effect that beautifies, with handle body on the periphery of basal disc on the circle locking jack columniform stage casing of fitting and the trapezoid body of fitting with the trapezoidal hole on the handle set.
Further, the present invention can also be:
Said Handleset is screwed with the loam cake of said one valve through the mounting hole that is symmetricly set on said handle set and is connected; Said mounting hole has 4.
Said flow regulating unit comprises from top to bottom joining shaft, holddown spring, adjustment sheet, the adjustment disk of centres; Adjustment disk is through screw and gasket seal and valve body fixed seal connection; Joining shaft is positioned at body cavity, and the center concentric with valve shaft, that it passes adjustment sheet also drives adjustment sheet and on adjustment disk, relatively rotates; Holddown spring compresses adjustment sheet and adjustment disk, and adjustment sheet is closely contacted with adjustment disk; First nut makes joining shaft, holddown spring, adjustment sheet and adjustment disk link into an integrated entity from the below; Adjustment sheet is connected with valve shaft through joining shaft, and adjustment sheet is two symmetrical each other sector structures; Have on the said adjustment disk and the corresponding opening of the sector structure of said adjustment sheet, thereby the area that the opening on the rotation of the adjustment sheet relative adjustment dish change adjustment disk exposes is regulated the flow through opening.
Said adjustment sheet and said adjustment disk are processed by the little material of surface roughness; Said adjustment sheet is connected with valve shaft through joining shaft; The said relatively adjustment disk of said adjustment sheet rotatablely moves as the angle and realizes that little moment of torsion valve ON/OFF, the rotation angle of said adjustment sheet on said adjustment disk are 90 degree to the maximum.
The middle part of said valve body is anchor ring fluid passage, slope wide at the top and narrow at the bottom.
Said flow equilibrium assembly comprises balanced plug, balance seat, spring bracket, spring, the little axle of connection, spring seat, diaphragm, compressing tablet, catch, second nut, an O type circle, the 2nd O type circle; The one O type circle is embedded in the groove on balance seat top, guarantees the sealing between balance seat and the balanced plug; The 2nd O type circle is embedded in the lower recess of balance seat, guarantees to seal between balance seat and the valve body; Balanced plug is passed an O type circle and is connected with spring seat through little axle; Be embedded between spring bracket and the spring seat of balance seat inner chamber spring is housed; Diaphragm leans on second nut to compress between compressing tablet and catch; Said lower cover and valve body are pressed on diaphragm and balance seat in the valve body chamber through screw, and the lower cover pressure guide hole that covers down communicates with the valve body pressure guide hole on the valve body.
Circle on said handle body locking jack and stop pin cooperate, and gos locking device into Handleset, realize that the flow in shutoff, standard-sized sheet and the neutral position of modulating valve locks.
The basal disc of said handle body is provided with the master calibration district, and numeral order is from right to left arranged, and the consecutive number word space is identical with the trapezoidal hole interval on the handle set; The below in said master calibration district is the pointer hole of an oval arc, and the pointer of the handle set raising of handle body below is lower slider in the pointer hole, the corresponding scale in indication master calibration district.
The orthodrome transition of conveniently controlling is adopted at its corner and with said basal disc junction in said grip part, and the back side at the top of grip part is to make things convenient for the indent of grasping circular-arc.
Said Handleset also comprises secondary scale label, and secondary scale label scale interval is identical with the interval in master calibration district, is fixed on the side wall surface of handle set.
Mould formula transient equiliblium manual modulation valve of the present invention adopts unique integrated design, and valve dynamic flow balance and Flow-rate adjustment are combined together, and the little angle of little moment of torsion stroke turn-offs structure and realizes Flow-rate adjustment; Optimal design valve body and automatic flow equalizing feature structure reduce flow resistance and noise, further realize energy-saving environmental-protection function; The design of Handleset is fit to the Environmental Conditions of conduit shaft; Have negotiability big, control accurate convenience, the operating pressure differential scope is wide, assembling is easy to maintenance, the life-span is long, control accuracy is high, resistance coefficient is little, advantage of low manufacturing cost; Flow through valve can be controlled at manual set condition in real time; Be mainly used in industries such as building heating ventilation air-conditioning system and industry or civilian fluid pipe network distributing system and oil, chemical industry,, fundamentally solve client's pipe network system water conservancy flow detuning phenomena with the fluid flow of control flows through equipment and user; Real-time regulated reaches the purpose of guaranteeing pipe network dynamic flow balance and energy saving.
Description of drawings
Fig. 1 is the perspective view of mould formula transient equiliblium manual modulation valve of the present invention.
Fig. 2 is the plan view of mould formula transient equiliblium manual modulation valve of the present invention.
Fig. 3 is the rear view of mould formula transient equiliblium manual modulation valve of the present invention.
Fig. 4 is the left view of mould formula transient equiliblium manual modulation valve of the present invention.
Fig. 5 is the right elevation of mould formula transient equiliblium manual modulation valve of the present invention.
Fig. 6 is the plan view of mould formula transient equiliblium manual modulation valve of the present invention.
Fig. 7 is the worm's eye view of mould formula transient equiliblium manual modulation valve of the present invention.
Fig. 8 is the sectional view of Fig. 2 of the present invention.
Fig. 9 is the sectional view of the one valve behind the removal Handleset of the present invention.
Figure 10 is the structural representation of the adjustment sheet of one valve of the present invention, and wherein a is the structural representation of adjustment sheet, and b is the sectional view of the A-A direction of a.
Figure 11 is the structural representation of the Flow-rate adjustment dish of one valve of the present invention, and wherein c is the structural representation of Flow-rate adjustment dish, and d is the sectional view of the B-B direction of c.
Figure 12 is the perspective view of the Handleset of modulating valve of the present invention.
Figure 13 is the plan view of Handleset of the present invention.
Figure 14 is the left view of Handleset of the present invention.
Figure 15 is the right elevation of Handleset of the present invention.
Figure 16 is the plan view of Handleset of the present invention.
Figure 17 is the worm's eye view of Handleset of the present invention.
Figure 18 is the plan view of handle set of the present invention.
Figure 19 is the sectional view of the C-C direction of Figure 13.
Figure 20 is the structural representation of stop pin of the present invention.
Figure 21 be Figure 20 stop pin left view.
Description of reference numerals
1 valve shaft 2. Superstructure 3. Sleeve 4. Valve 5. Coupling shaft 6. Compress the spring 7. Flap? 8. adjusting disk 9. balancing plug 10. balanced seat 11 spring bracket 12. springs 13 small shaft 14.O type Circle 15. plugs 16. spring seat 17 lower cover 18.O-ring 19.O-ring 20.O-ring 21. screws 22. screws 23. gasket 24. first nut 25 The first O-ring 26 second O- Circle 27. diaphragm 28, briquetting 29. stopper 30 second nut 31. pressure guide hole under cover 32 The valve body pressure guide hole 33. opening 34. fluid channel 35. ladder 36 body cavity 37. outlet 38 lumen flow balance component 39. pilot pressure chamber 40 into the water ... handle seat 41 ... handle body 42 ... locking pin 43 .. . Chase Kong 44 ... trapezoidal hole 45 ... mounting holes 46 ... grip 47 ... base plate 48. .. Through Hole 49 ... clamping structure 50 ... 51 ... Perforated limit Taiwan 52 ... circular locking jack 53. .. knurled 54 ... middle 55 ... 56 ... main scale trapezoidal body area 57 ... pointer Kong 58 ... Vice scale signage
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
Mould formula transient equiliblium manual modulation valve of the present invention shown in Fig. 1-2 1; Comprise Handleset and be positioned at Handleset below, be fixedly connected with Handleset and one valve that the center is coaxial; Wherein, the one valve comprise loam cake 2, lower cover 17, at the valve body 4 that tightens together between loam cake 2 and the lower cover 17 and with loam cake 2 and lower cover 17 and be positioned at valve body 4 inside and with the flow regulating unit of valve body 4 concentrics be positioned at the flow equilibrium assembly below the flow regulating unit.
Flow regulating unit is positioned at the loam cake below and is positioned at the fluid input place on valve body 4 tops, is fixedly connected with compression spring with valve body 4 usefulness screws, and the regulation structure of employing angle stroke mode and Handleset and valve body form a whole; The flow equilibrium assembly is positioned at the bottom of valve body 4, and lower cover 17 is fixed in the valve body chamber through screw with valve body, and the lower cover pressure guide hole 31 on the lower cover 17 communicates with valve body pressure guide hole 32 on the valve body.
Flow regulating unit comprises from top to bottom joining shaft 5, holddown spring 6, adjustment sheet 7, adjustment disk 8 and first nut 24 of centres.
Joining shaft 5 is positioned at the body cavity center, and is concentric with valve shaft 1, is fixedly linked with valve shaft 1.Be being connected of a kind of tenon-slot type between valve shaft 1 and the joining shaft 5, the bottom projection of valve shaft 1 inserts the groove on the joining shaft 5, makes valve shaft 1 and joining shaft 5 reach the effect of synchronous rotation.
The center drilling of adjustment disk 8 passing joining shaft, and has on the adjustment disk and corresponding two openings 33 that the center is symmetrically distributed on adjustment disk shown in figure 11 of the sector structure of adjustment sheet.Opening 33 is asymmetric fan-shaped, and the radius size of one of which end is less, the other end bigger; The motion of adjustment sheet 7 on adjustment disk is to hide opening 33 beginnings fully from adjustment sheet, and an end bigger from radius rotates the clockwise direction shown in Figure 10-a gradually to the less end of size; Thereby the area that opening 33 is exposed increases gradually, and such design is though can guarantee when valve is just opened because the area that opening 33 exposes increases; But pace of change is less; Can not cause bigger aperture, thereby avoid causing acute variation, thereby can not cause the instability of system through the flow of opening because of the strong variations of aperture.Along with the unlatching of valve, the position of adjustment sheet constantly changes, and the area of the opening 33 that exposes increases gradually, makes the negotiability linear change, to guarantee the linearly adjust of valve negotiability.The unique design of above-mentioned adjustment sheet and opening makes modulating valve of the present invention can guarantee linear flow regulating function.Vice versa.
The bottom surface of adjustment sheet 7 closely contacts with the end face of adjustment disk 8, and adjustment disk 8 is fixedly connected with valve body 4 with gasket seal 23 through screw 22, and guarantees to seal non-internal leakage.
The outside thread with the bottom of the joining shaft 5 at the center of passing adjustment sheet and adjustment disk cooperates from the below for the joining shaft 5 and first nut 24; Screw; Joining shaft 5, holddown spring 6, adjustment sheet 7 and adjustment disk 8 are linked into an integrated entity; Joining shaft 5 passes the center of adjustment sheet 7 and drives adjustment sheet 7 and on adjustment disk 8, relatively rotates, and holddown spring 6 compresses adjustment sheet 7 and adjustment disk 8.
The sector structure of the rotation change adjustment sheet of adjustment sheet 7 relative adjustment dishes 8 is blocked the area of the opening 33 of adjustment disk, has also just changed the opening area that exposes in other words, thereby has regulated the flow through opening.Can guarantee linearly adjust or ratio adjusting through opening area design special on the adjustment disk 8.
Flow-rate adjustment of the present invention relies on the adjustment sheet 7 of fan-shaped design under the drive of joining shaft 5, and the Flow area that changes particular design on the adjustment disk 8 is realized.Adjustment sheet and adjustment disk can be processed by the little material of surface roughness, make adjustment sheet 7 very little with the surface roughness that adjustment disk 8 contacts.
Joining shaft 5 drives adjustment sheets 7 on adjustment disk 8, to do the maximum rotation angle is relatively rotating of 90 degree during work; Surface friction drag when relatively rotating between adjustment sheet and the adjustment disk is very little; Required torque was very little when adjustment sheet 7 rotated; The said relatively adjustment disk of adjustment sheet rotatablely moves as the angle and realizes little moment of torsion valve ON/OFF realizing flow regulating function.Handleset can drive valve shaft 1 very easily, thus and 7 actions of the adjustment sheet below driving.
As shown in Figure 9, the middle part of adjustment disk below, valve body 4 is anchor ring fluid passage, slope 34 wide at the top and narrow at the bottom, and the cone cavity design that this body cavity is unique makes the fluid passage smooth and easy reasonable, can reduce the local resistance of valve in system, and is more energy-conservation.Fluid gets into from valve body water inlet 35, through the opening on the adjustment disk 33, through anchor ring fluid passage, the slope 34 entering body cavities 36 at valve body middle part, is flowed out by valve body water outlet 37 again.Because the reasonably optimizing of fluid passage makes equilibrium function under the situation of relative Small diaphragm-piece and little pretightening force, be easier to realize, can effectively reduce vibration and noise, energy-saving and environmental protection more.
Flow equilibrium assembly of the present invention be positioned at the bottom of valve body 4 and be positioned at anchor ring fluid passage, slope 34 and be positioned at joining shaft under; Between flow equilibrium assembly and the anchor ring fluid passage, slope 34 is body cavity 36; The flow equilibrium assembly comprises the coaxial balanced plug in center 9, balance seat 10, spring bracket 11, spring 12, spring seat 16, briquetting 28, diaphragm 27, block 29 and second nut 30 from top to bottom
Have groove on the bottom of balance seat 10 and the outer wall that the inwall of valve body 4 contacts, the 2nd O type circle 26 is embedded in this groove, guarantees sealing between balance seat 10 and the valve body 4, and balance seat 10 is pressed abd fixed in the valve body chamber from the below by lower cover 17.
Assurance is set can leak to flow equilibrium assembly inner chamber 39 of the one O type circle 25 and the 2nd O type circle 26 via the fluid that adjustment disk and fluid passage get into body cavity 37;
Connect the sheathed spring 12 of little axle 13 outer surfaces, spring seat 16 from the below with is connected little 13 fixed connection.In this example, spring seat is to be welded to connect with being connected little axle.Balanced plug 9 is threaded with the top that is connected little axle, is connected with spring seat 16 through connecting little 13 then, and balanced plug 9, the little axle 13 of connection and spring seat 16 are moved together.
Lower cover pressure guide hole 31 on the lower cover 17 communicates with valve body pressure guide hole 32 on the valve body.
Flow equilibrium assembly of the present invention adopts diaphragm type structure, regulates the balanced component that links through the pressure ratio of diaphragm both sides, changes the valve opening under the different pressures automatically, realizes the balance of flow.
In this example, shown in Figure 12-21, Handleset 1 comprises handle set 40, the handle body 41 on the handle set and the stop pin 42 of the disc that is fixedly connected with the one valve of the foot that is positioned at Handleset;
In this example, the center of handle set is the large through-hole 43 that can pass the valve shaft 1 of one valve; In 90 ° of scopes of the sidewall of handle set, circumferentially evenly be placed with the trapezoidal hole 44 of a plurality of up/down perforations to the recessed formation in handle set center; Handle set is screwed with the loam cake 2 of one valve through the mounting hole 45 that is provided with on it and is connected.The aperture of mounting hole is generally less than the aperture of large through-hole, and mounting hole has 2-4, is symmetricly set on the handle set.In this example, mounting hole has 4.
In this example, handle body 41 comprises grip part 46 and basal disc 47, and the bottom of grip part is fixedly connected with basal disc, forms cavity between grip part and the basal disc, makes things convenient for the operator's of Handleset holds grip part.The center of basal disc be one with the through hole 48 of the large through-hole concentric of handle set; Protrusion is formed with the clamping arrangement 49 of the similar lip of symmetry on basal disc, around the through hole; Clamping arrangement is a pair of middle part symmetrically arranged clamp clip that outside arcuation is outstanding respectively, the both sides symmetrical, parallel is extended; Fit with the side of the valve shaft end of the one valve of the large through-hole that passes handle set respectively in the through hole at the center of basal disc and the middle part of clamp clip; Extending in parallel of clamp clip both sides is arranged with perforation 50 on the part, through the cooperation of fastening piece (not shown) and perforation clamp clip is locked, thereby valve shaft is pushed down locking; Handle body and valve shaft are synchronized with the movement, realize manual control valve.Fastening piece in this example comprises hex screw, compression spring and hexagon nut.The present invention also can adopt other modes to realize fastening valve shaft and clamping arrangement, to reach the purpose that is synchronized with the movement of handle body and valve shaft.
In this example, the rear of the clamping arrangement 49 of lip has two limit daiss 51, makes things convenient for the degree of tightness of fastening piece.Limit dais can limit the rotation of nut, only needs the application of force on screw when making the degree of tightness fastening piece, and set screw nut that need not be extra.
In this example, also be provided with a circular locking jack 52 on the periphery of the basal disc of handle body, be used to insert stop pin 42.Handle body turns to each special position, circular locking jack just with handle set on the trapezoidal hole of this position form new positioning hole and make up, can insert stop pin.
Stop pin in this example is that stainless steel material is processed; Stop pin is divided into three sections from top to down, be respectively the top knurled head 53 that plays anti-skidding and the effect that beautifies, with handle body on the periphery of basal disc on the circle locking jack columniform stage casing 54 of fitting and the trapezoid body 55 of fitting with the trapezoidal hole on the handle set.The external diameter of stop pin reduces from top to bottom piecemeal, and each section center is coaxial, is convenient to grasping, pulls and pushes, fixes.
In this example, the trapezoidal hole on the handle set has 11, and circular locking jack has 1.Circle locking jack and stop pin on trapezoidal hole on the handle set and the handle body cooperate; Constitute the locking device of Handleset, realize the flow locking of shutoff, standard-sized sheet and middle 9 positions of valve one by one, locking closely; Spacingly accurately do not rock, and stop pin is difficult for deviating from.When needing to change the aperture of valve, need unclamp stop pin, the grip part of handle with sleeve body at every turn; Handle body drives valve shaft and rotates, and realizes the variation of valve opening, and the circle locking jack position above handle body rotation simultaneously makes changes; Turn to each special position; Circular locking jack just with handle set on the trapezoidal hole of this position form new positioning hole and make up, can insert stop pin once more, realize the locking of this position.
In this example, the basal disc of handle body is provided with master calibration district 56, and numeral order is from right to left arranged, and each digital interval is identical with the trapezoidal hole interval on the handle set, and promptly each integer scale is all corresponding with a trapezoidal hole.The below of scale is the pointer hole 57 of an oval arc; The pointer (not shown) of the handle set raising of handle body below is slided in this pointer hole as the pointer of Handleset master calibration; The corresponding scale in indication master calibration district, the current flow situation of reflection one valve.
In this example, Handleset also comprises secondary scale label 58, and the scale interval of secondary scale label is identical with the interval of master calibration, is fixed on the sidewall of handle set, indicates the valve opening degree synchronously with master calibration.Use double-dial display mode like this, be fit to directly over Handleset and the aperture of anterior view side valve door, more convenient and practical.
In this example, on the basal disc sidewall of handle body, also be provided with a downward small arrow, be the pointer of secondary dial.
In this example, the orthodrome transition of conveniently controlling is adopted at its corner and with the basal disc junction in the grip part, and the back side at the top of grip part is to make things convenient for the indent of grasping circular-arc.
In this example, also be provided with the direction sign of indication open and close on the handle body.
In this example, be friction that reduces handle set and handle body and the weight that alleviates Handleset, but the thickness attenuate of the intermediate portion of handle set.
The Handleset of modulating valve of the present invention is in order to manual tune valve flow, adopts the handgrip type handler that is different from conventional disc type, long handle type, design uniqueness, novel and beautiful, simple in structure, be difficult for stuck.Carry out ability cathode electrophoresis like the outer surface to Handleset and handle, then the Handleset of modulating valve of the present invention has corrosion-resistant function, is adapted at wet environment and sweated environment work down in the conduit shaft.
The Handleset of modulating valve of the present invention can be selected suitable force bearing point according to required moment of torsion, when moment of torsion hour, can hold the top of the grip part of handle body, and can hold the side of the grip part of handle body when needing bigger moment of torsion.Simultaneously no matter how force bearing point is selected, all can guarantee circumferentially stressed evenly, the stability of rotation atremia of handle body; Under the situation that guarantees moment of torsion, practice thrift dimensional space radially, under the prerequisite of the structure that does not change modulating valve; Replacement electric work actuator assembly; Can directly realize by the aperture of electro motion control valve to the manually replacing of control, control accuracy nominal value 5% in, be specially adapted to the manual tune control of mould formula transient equiliblium manual modulation valve.
Handleset of the present invention can drive valve shaft and following adjustment sheet action very easily, can guarantee linearly adjust or ratio adjusting through opening area design special on the adjustment disk.
Also be designed with the circular hole (not shown) that is communicated with balance seat 10 inner chambers on the balanced plug 9 of the present invention, make that the pressure of balanced component inner chamber is consistent with body cavity pressure and act on the diaphragm.
Because the reasonably optimizing of said structure and fluid passage makes equilibrium function under the situation of relative Small diaphragm-piece and little pretightening force, be easier to realize, can effectively reduce vibration and noise, energy-saving and environmental protection more.
The working principle of mould formula transient equiliblium manual modulation valve of the present invention is following:
During installation; With the handle set of Handleset be fixed on valve body on cover; Valve shaft passes the through hole at the center of handle body, and the clamping arrangement of the lip of locking both sides, and Handleset and valve shaft clamp contact matching through the lip structure and link into an integrated entity; Make handle body and valve shaft realize being synchronized with the movement, and then realize control valve shutoff and aperture.
During shutoff, the double scale on the handle body is with 0 of indication, and handle body drives valve shaft, joining shaft simultaneously, makes adjustment sheet hide the fluid passage on the adjustment disk fully, and valve is in normally off, uses stop pin can make this fixed-site.
When valve turn-offed, the sector structure of adjustment sheet hid the opening on the adjustment disk fully, the stop pin locking, and the double scale on the handle body is with 0 of indication, and valve is in normally off;
During valve working, the locking of the pin that unlocks clockwise rotates handle body; Can make valve open gradually, major and minor two place's scale indications of Handleset change simultaneously, can carry out locking position with stop pin at the integer-bit scale place that needs arbitrarily; The rotation of handle body drives the rotation of valve shaft, joining shaft, makes to produce the flowing hole that increases gradually between adjustment sheet and the adjustment disk, and fluid passes through valve body; Pipe network system obtains required water flow, realizes the adjusting of flow.
Handle body clockwise rotates limit position, and promptly scale is indicated 10 position, obtains the peak rate of flow of valve.
Can use the stop pin locking at shutoff, maximum and middle a plurality of node locations.
In the working procedure,, fluid is remained unchanged through the area of the opening on the adjustment disk because with stop pin set lever assembly; But the variation of different journey pipe network variable flow system pressure is to exist constantly, and product of the present invention is through the effect of flow regulating unit, when system pressure raises; Water intake pressure arrives entry pilot chamber 39 successively through valve body pressure guide hole 32, lower cover pressure guide hole 31, and the bottom pressure of the diaphragm that links to each other with the valve inleting water mouth raises and breaks original state of equilibrium; Diaphragm drives the compressing tablet briquetting 28 be connected and moves upward, and briquetting 28 promotes spring seats 16 actions, causes spring seat 16, connects little axle 13, balanced plug 9 is moved together; Move upward, turn down body cavity, reduce the body cavity water-outlet area; And the pressure of increase body cavity, downward baric flow amount balanced component, spring seat 16 is briquetting 28 then; Drive diaphragm 27 and move downward,, flow is remained unchanged until realizing new state of equilibrium.Vice versa, thereby reached the purpose of flow automatic balance, makes constant flow in the scope of demarcating, and eliminated the influence of system pressure fluctuation to flow.
One valve of the present invention is cylinder iron to cast to form, and heavy caliber can satisfy the service condition of big flow, and is applied widely.
Mould formula transient equiliblium manual modulation valve of the present invention adopts unique integrated design, and valve dynamic flow balance and Flow-rate adjustment are combined together, and the little angle of little moment of torsion stroke turn-offs structure and realizes Flow-rate adjustment; Optimal design valve body and automatic flow balanced component structure reduce flow resistance and noise, further realize energy-saving environmental-protection function; The design of Handleset is fit to the Environmental Conditions of conduit shaft; Have negotiability big, control accurate convenience, the operating pressure differential scope is wide, assembling is easy to maintenance, the life-span is long, control accuracy is high, resistance coefficient is little, advantage of low manufacturing cost; Flow through valve can be controlled at manual set condition in real time; Be mainly used in industries such as building heating ventilation air-conditioning system and industry or civilian fluid pipe network distributing system and oil, chemical industry,, fundamentally solve client's pipe network system water conservancy flow detuning phenomena with the fluid flow of control flows through equipment and user; Real-time regulated reaches the purpose of guaranteeing pipe network dynamic flow balance and energy saving.
The major advantage of mould formula transient equiliblium manual modulation valve of the present invention is:
1. the integrated valve mechanism design of optimizing is designed to integrative-structure with regulatory function and dynamic flow equilibrium function dexterously, makes valve opening one regularly not change the flow through valve because of the variation of system pressure;
2. further optimize equilibrium function and service behaviour through optimal design and experimental analysis, resistance coefficient is very little, and compact structure has wideer operating pressure differential scope and more accurate control accuracy, flow accuracy nominal value ± 5% in;
3. this Handleset adopts big disk and is different from the handgrip type handler of conventional disc type, long handle type; Practiced thrift dimensional space radially guaranteeing to satisfy under the situation of moment of torsion; Handle is circumferentially stressed evenly, handle body stability of rotation atremia, and whole Handleset is simple in structure; Be difficult for stuckly, be adapted under the sweated environment work.
Above-mentionedly only several kinds of specific embodiments among the present invention are explained, but can not be as protection scope of the present invention, every equivalence of having done according to the design spirit among the present invention changes or modifies, and all should think to fall into protection scope of the present invention.
Claims (8)
1. mould formula transient equiliblium manual modulation valve, comprise Handleset and be positioned at said Handleset below, with the one valve that said Handleset is fixedly connected and the center is coaxial, it is characterized in that:
Said one valve comprises loam cake, lower cover, at the valve body that tightens together between loam cake and the lower cover and with loam cake and lower cover and be positioned at valve inner and with the flow regulating unit of valve body concentric be positioned at the flow equilibrium assembly below the flow regulating unit; Said flow regulating unit is positioned at the loam cake below and is positioned at the fluid input place on said valve body top, is fixedly connected with compression spring with screw with valve body, and the regulation structure of employing angle stroke mode and Handleset and valve body form a whole; Said flow equilibrium assembly is positioned at the bottom of valve body, and lower cover and valve body are fixed in the valve body chamber through screw, and the lower cover pressure guide hole that covers down communicates with the valve body pressure guide hole on the valve body;
Said Handleset comprises the handle set of the disc that is fixedly connected with the one valve of the foot that is positioned at Handleset, handle body and the stop pin on the handle set; The center of said handle set is the large through-hole that can pass the valve shaft of one valve; In 90 ° of scopes of the sidewall of said handle set, circumferentially evenly be placed with the trapezoidal hole of a plurality of perforations; Said handle body comprises grip part and basal disc, and the bottom of said grip part is fixedly connected with said basal disc, forms cavity between said grip part and the said basal disc; The center of said basal disc be one with the through hole of the large through-hole concentric of said handle set; Protrusion is formed with the clamping arrangement of symmetry on said basal disc, around the through hole; Said clamping arrangement is a pair of symmetrically arranged clamp clip, and the outside arcuation in the middle part of said each clamp clip is outstanding, both sides extend in parallel, and fits with the valve shaft end sides of the modulating valve of the large through-hole that passes handle set respectively in the through hole at the center of basal disc and the middle part of clamp clip; Extending in parallel on the part of each clamp clip is arranged with perforation; Fastening piece cooperates clamp clip locking with perforation, thereby valve shaft is pushed down locking, and handle body and valve shaft are synchronized with the movement; The periphery of the basal disc on the said handle body is provided with a circular locking jack; Said stop pin is a stainless steel part; Be divided into three sections from top to down, be respectively the top knurled head that plays anti-skidding and the effect that beautifies, with handle body on the periphery of basal disc on the circle locking jack columniform stage casing of fitting and the trapezoid body of fitting with the trapezoidal hole on the handle set;
Said flow regulating unit comprises from top to bottom joining shaft, holddown spring, adjustment sheet, the adjustment disk of centres; Adjustment disk is through screw and gasket seal and valve body fixed seal connection; Joining shaft is positioned at body cavity, and the center concentric with valve shaft, that it passes adjustment sheet also drives adjustment sheet and on adjustment disk, relatively rotates; Holddown spring compresses adjustment sheet and adjustment disk, and adjustment sheet is closely contacted with adjustment disk; First nut makes joining shaft, holddown spring, adjustment sheet and adjustment disk link into an integrated entity from the below; Adjustment sheet is connected with valve shaft through joining shaft, and adjustment sheet is two symmetrical each other sector structures; Have on the said adjustment disk and the corresponding opening of the sector structure of said adjustment sheet, thereby the area that the opening on the rotation of the adjustment sheet relative adjustment dish change adjustment disk exposes is regulated the flow through opening;
Said flow equilibrium assembly comprises balanced plug, balance seat, spring bracket, spring, the little axle of connection, spring seat, diaphragm, compressing tablet, catch, second nut, an O type circle, the 2nd O type circle; The one O type circle is embedded in the groove on balance seat top, guarantees the sealing between balance seat and the balanced plug; The 2nd O type circle is embedded in the lower recess of balance seat, guarantees to seal between balance seat and the valve body; Balanced plug is passed an O type circle and is connected with spring seat through little axle; Be embedded between spring bracket and the spring seat of balance seat inner chamber spring is housed; Diaphragm leans on second nut to compress between compressing tablet and catch; Said lower cover and valve body are pressed on diaphragm and balance seat in the valve body chamber through screw, and the lower cover pressure guide hole that covers down communicates with the valve body pressure guide hole on the valve body.
2. mould formula transient equiliblium manual modulation valve according to claim 1 is characterized in that: Handleset is screwed with the loam cake of said one valve through the mounting hole that is symmetricly set on said handle set and is connected; Said mounting hole has 4.
3. mould formula transient equiliblium manual modulation valve according to claim 2; It is characterized in that: said adjustment sheet and said adjustment disk are processed by the little material of surface roughness; Said adjustment sheet is connected with valve shaft through joining shaft; The said relatively adjustment disk of said adjustment sheet rotatablely moves as the angle and realizes that little moment of torsion valve ON/OFF, the rotation angle of said adjustment sheet on said adjustment disk are 90 degree to the maximum.
4. mould formula transient equiliblium manual modulation valve according to claim 3 is characterized in that: the middle part of said valve body is anchor ring fluid passage, slope wide at the top and narrow at the bottom.
5. according to each described mould formula transient equiliblium manual modulation valve among the claim 1-4; It is characterized in that: circle locking jack and stop pin on the said handle body cooperate; Form the locking device of Handleset, realize the flow locking in shutoff, standard-sized sheet and the neutral position of modulating valve.
6. mould formula transient equiliblium manual modulation valve according to claim 5, it is characterized in that: the basal disc of said handle body is provided with the master calibration district, and numeral order is from right to left arranged, and the consecutive number word space is identical with the trapezoidal hole interval on the handle set; The below in said master calibration district is the pointer hole of an oval arc, and the pointer of the handle set raising of handle body below is lower slider in the pointer hole, the corresponding scale in indication master calibration district.
7. mould formula transient equiliblium manual modulation valve according to claim 6; It is characterized in that: the orthodrome transition of conveniently controlling is adopted at its corner and with said basal disc junction in said grip part, and the back side at the top of grip part is to make things convenient for the indent of grasping circular-arc.
8. mould formula transient equiliblium manual modulation valve according to claim 7, it is characterized in that: said Handleset also comprises secondary scale label, the scale interval of secondary scale label is identical with the interval in master calibration district, is fixed on the side of handle set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106236217A CN102072346B (en) | 2010-12-30 | 2010-12-30 | Membrane pressure type dynamic balance manual adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106236217A CN102072346B (en) | 2010-12-30 | 2010-12-30 | Membrane pressure type dynamic balance manual adjusting valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102072346A CN102072346A (en) | 2011-05-25 |
| CN102072346B true CN102072346B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106236217A Expired - Fee Related CN102072346B (en) | 2010-12-30 | 2010-12-30 | Membrane pressure type dynamic balance manual adjusting valve |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498956A (en) * | 2013-09-13 | 2014-01-08 | 绥中泰德尔自控设备有限公司 | Dynamic equilibrium electric regulating valve with cast pressure guide hole |
| JP6415889B2 (en) * | 2014-08-01 | 2018-10-31 | 株式会社堀場エステック | Flow control device, program for flow control device, and flow control method |
| CN106609876B (en) * | 2015-10-26 | 2019-03-22 | 北京优能智慧节能科技有限公司 | Dynamic balance adjusting valve |
| CN105650316B (en) * | 2016-03-01 | 2017-11-28 | 上海冠龙阀门机械有限公司 | A kind of built-in membrane formula telescoping valve |
| CN105650302B (en) * | 2016-04-01 | 2018-01-09 | 天津特克执行器有限公司 | Autoclave diaphragm valve with counter balance pocket |
| CN109751418B (en) * | 2017-11-03 | 2024-06-04 | 浙江迪艾智控科技股份有限公司 | Dynamic balance valve |
| CN109374288A (en) * | 2018-11-19 | 2019-02-22 | 南京晨光集团有限责任公司 | A kind of rotary flow control valve zero-bit regulating device |
| CN111594765A (en) * | 2020-05-21 | 2020-08-28 | 邓朝利 | High-pressure filling pipeline flow control device for coal mining |
| CN112182754B (en) * | 2020-09-25 | 2022-11-04 | 中国直升机设计研究所 | Method for calculating aerodynamic resistance of surface projection of helicopter body |
| CN115095450A (en) * | 2022-06-27 | 2022-09-23 | 西安航天动力研究所 | Starting control system and method for inhibiting starting overshoot of afterburning cycle engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102007048365A1 (en) * | 2007-10-09 | 2009-04-23 | Ernst Schmieding Gmbh & Co. Kg | Natural medium-controlled shut-off valve |
| CN201582400U (en) * | 2009-12-25 | 2010-09-15 | 欧文托普阀门系统(北京)有限公司 | Dynamic equilibrium electric regulation integrated valve |
| CN201680021U (en) * | 2010-05-24 | 2010-12-22 | 杭州春江阀门有限公司 | Unloading self-operated flow control valve |
| CN202012650U (en) * | 2010-12-30 | 2011-10-19 | 欧文托普阀门系统(北京)有限公司 | Film pressure type dynamic balance manual regulating valve |
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2010
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| CN102072346A (en) | 2011-05-25 |
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