CN103470798A - Axial flow type flow quantity control valve with dual filtering function - Google Patents
Axial flow type flow quantity control valve with dual filtering function Download PDFInfo
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- CN103470798A CN103470798A CN2013103519896A CN201310351989A CN103470798A CN 103470798 A CN103470798 A CN 103470798A CN 2013103519896 A CN2013103519896 A CN 2013103519896A CN 201310351989 A CN201310351989 A CN 201310351989A CN 103470798 A CN103470798 A CN 103470798A
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Abstract
The invention discloses an axial flow type flow quantity control valve with dual filtering functions, which solves the technical problems that the control valve of the prior art has poor performance and has no filtering function. The control valve comprises a valve body and a valve frame, wherein the valve frame is fixedly arranged in the valve body and is used for adjusting the flow quantity of the control valve, the valve body comprises a left valve body and a right valve body, the left valve body is provided with a flow inlet, the right valve body is provided with a flow outlet, the interior of the left valve body is provided with a flow disturbance cover, the flow disturbance cover is positioned between the flow inlet and the valve frame, one side, facing the flow disturbance cover, of the valve frame is provided with filtering holes, and the left valve body is provided with a blowoff port which can be opened and closed. When the fluid flowing into the valve body via the flow inlet of the left valve body flows through the flow disturbance cover, the speed reduction function is realized, and the large impurities in the fluid are settled under the action of gravity. When the fluid flows through the valve frame, the secondary filtering function is realized by the filtering holes, and the fine impurities are filtered. The impurities are settled in the filtering process, and after the blowoff port is opened, the impurities in the valve body are removed under the action of the water flow pressure. The filtering device is directly arranged in the valve body, and the structure of a flow passage is simplified.
Description
[technical field]
The present invention relates to a kind of water valve, especially a kind of flow control valve.
[background technique]
Along with the continuous increase of City Building and the adjustment of scope of the enterprise, in the system of heat supply, refrigeration or power source fluid flow unbalanced or the cutout problem often occur, the control valve of type adjustable differential pressure valve and flow is widely used.But, its complex structure of existing modulating valve, resistance when fluid is flowed through valve body is larger, and the precision of Flow-rate adjustment is low; And do not possess filtering function, need to externally connect independent filter.
Publication number in the patent documentation of " CN2687458Y ", disclosing its structure of vertical flow control valve is: comprise the valve casing consisted of water intake valve body and the water outlet valve body that docks with the water intake valve seal, in the inner chamber of valve casing, pressure automatic adjusting device is housed, on the water outlet valve body, flow setting device is housed, the interior muscle and the throttling version that with the water intake valve body, are connected as a single entity are housed in the inner chamber of water intake valve body, the center portion of Rectifier plate is provided with restriction, the spring shield be connected as a single entity with the water outlet valve body is housed in the inner chamber of water outlet valve body, be connected with the dividing plate with water channel hole between spring shield and water outlet valve body, the bottom surface of spring shield is provided with feedback hole, pressure automatic adjusting device comprises an automatic pole, the first section center hole through interior muscle of this automatic pole stretches out to the water intake direction, the intrinsic flap of cover on the stage casing between interior muscle and Rectifier plate, overlap successively intrinsic platen on latter end, diaphragm and spring seat, the center hole Spielpassung of automatic pole and interior muscle, the latter end of flap can put in restriction, diaphragm is fixed on the water outlet valve body by gland, between spring seat and spring shield, spring is housed, flow setting device comprises a manual rod, the epimere of manual rod is set with stuffing box, stuffing box and water outlet valve body are affixed, be connected with the dial that shows flow on the surface of stuffing box, the hypomere of manual rod is arranged in the inner chamber of water outlet valve body, and be the tubular of under shed, have Flow-rate adjustment beveled aperture from bottom to top on the sidewall of this tubular, this Flow-rate adjustment beveled aperture and water channel hole adjacency.The complex structure of this control valve, manufacture cost is high, and self-acting valve core assembly fluid resistance is larger, and the pressure loss is large, and low to the reaction sensitivity of pressure reduction, flow control accuracy is low, and flap impacts greatlyr in movement process, easily causes noise; During the flow control valve manual tune, flow resistance is large, and crushing is large, and easily vibrations produce noise.
[summary of the invention]
The technical problem that the present invention solves is to provide a kind of axial flow flow control valve with dual filtering functions, has improved the performance of control valve, and possesses filtering function is arranged.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of axial flow flow control valve of concrete dual filtering functions, comprise valve body and the vavle shelf that is fixed on adjustable control valve flow in valve body, described valve body comprises the left valve barrel that is provided with the influent stream mouth and the right valve barrel that is provided with out head piece, be provided with flow disturbing cover in described left valve barrel, described flow disturbing cover is between influent stream mouth and vavle shelf, and described vavle shelf is provided with filtering hole towards flow disturbing cover one side, and described left valve barrel is provided with sewage draining exit to be opened/closed.
Further, described vavle shelf comprises left vavle shelf and right vavle shelf, and the edge of described left vavle shelf and right vavle shelf is clamped between left valve barrel and right valve barrel, and described left vavle shelf is provided with cartridge filter towards the flow disturbing cover direction, and described filtering hole is set on the periphery of described cartridge filter.
Further, described cartridge filter comprises some stiffening ribs that are periphery and is located at the filter plate between stiffening rib, and the end of described stiffening rib is provided with cover plate, and described filtering hole is set on described filter plate.
Further, described flow disturbing cover comprises base plate, and described base plate connects the end face of described cartridge filter, the upper surface of described base plate some spoilers that have been periphery, described spoiler and base plate radially become certain tilt angle.
Further, the inwall of described left valve barrel and the joint of sewage draining exit are provided with depressed part, and the sidewall of described depressed part is lead-in chamfered.
Further, be connected with the adjusting flap by Returnning spring on described left vavle shelf, be connected with diaphragm on described adjusting flap, described diaphragm is pressed abd fixed between the end face that left vavle shelf is relative with right vavle shelf, described diaphragm and right vavle shelf joint are provided with return port, described right vavle shelf is provided with the pod apertures corresponding with return port, described left vavle shelf is provided with the guiding gutter of corresponding return port, described diaphragm is poor according to the hydrodynamic pressure in left vavle shelf and the hydrodynamic pressure in right valve barrel, and the regulating and controlling flap moves axially the inflow of regulating cartridge filter.
Further, the periphery of described adjusting flap is provided with boss, between a side of described boss and left vavle shelf, described Returnning spring is set, and described diaphragm is pressed on the opposite side of boss by locking nut.
Further, described control valve also comprises manual flow regulator, described manual flow regulator comprises adjustment barrel and adjustable lever, described right vavle shelf comprises the adjutage arranged towards going out the head piece direction, the periphery of adjutage is provided with water outlet, the described adjustment barrel of socket on described adjutage, described adjustable lever connects described adjustment barrel and can drive adjustment barrel to move axially the water-outlet quantity of controlling adjutage.
Further, also be provided with guiding projection on the periphery of described adjutage, described guiding projection is along the axial setting of adjutage, the inwall of described adjustment barrel is provided with the guiding groove that connects described guiding projection, described adjustment barrel is provided with helical rack, and described helical rack is along the axial setting of adjustment barrel periphery, and described adjustable lever is provided with the helical gear be meshed with helical rack, in the rotary regulating lever process, the adjustment barrel axial action is controlled the water-outlet quantity of water outlet.
Further, the sidewall of described right valve barrel is provided with lug boss, be provided with the attachment hole that connects described adjustable lever in described lug boss, be connected with the positioning seat of axial limiting adjustable lever on described lug boss, described adjustable lever stretches out positioning seat and is connected with handwheel, and the bottom surface of handwheel is provided with boss, the end face of described positioning seat is provided with the scalloped recess of corresponding described boss, connects the angle of swing of described boss restriction handwheel in scalloped recess.
Beneficial effect of the present invention:
Flow control valve of the present invention possesses dual filtering functions is arranged, adopt flow disturbing cover to reduce rate of flow of fluid, larger impurity is sunk automatically, thereby the filtration of carrying out fine impurities by filtering hole again reaches the purpose of double filtration, and be provided with sewage draining exit to be opened/closed on left valve barrel, for collecting impurity, can make impurity discharge valve body under the effect of water flow pressure by opening sewage draining exit, to guarantee out the water cleaning of head piece, prevent from polluting.
These characteristics of the present invention and advantage will be below embodiment, accompanying drawing in detailed exposure.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is plan view of the present invention;
Fig. 2 is longitudinal profile view of the present invention;
Fig. 3 is the structural representation that in the present invention, flow disturbing cover connects left vavle shelf;
The longitudinal profile view that Fig. 4 is Fig. 3;
The left view that Fig. 5 is flow disturbing cover in the present invention;
Fig. 6 regulates the connection diagram of flap and diaphragm in the present invention;
The right elevation that Fig. 7 is the left vavle shelf of the present invention;
The structural representation that Fig. 8 is vavle shelf in the present invention;
The scheme of installation that Fig. 9 is manual flow regulator in the present invention;
The sectional view that Figure 10 is B-B in Fig. 9;
The overall structure schematic diagram that Figure 11 is manual flow regulator in the present invention.
[embodiment]
The invention provides a kind of axial flow flow control valve of concrete dual filtering functions, comprise valve body and the vavle shelf that is fixed on adjustable control valve flow in valve body, valve body comprises the left valve barrel that is provided with the influent stream mouth and the right valve barrel that is provided with out head piece, be provided with flow disturbing cover in left valve barrel, flow disturbing cover is between influent stream mouth and vavle shelf, and vavle shelf is provided with filtering hole towards flow disturbing cover one side, and left valve barrel is provided with sewage draining exit to be opened/closed.In working procedure, the fluid flowed into by the enterprising head piece of left valve barrel, produce decelerating effect while flowing through flow disturbing cover, in the situation that flow velocity reduces, the large impurity in fluid produces because of Action of Gravity Field; While flowing through vavle shelf, filtering hole plays the secondary filter effect, and for filtering tiny impurity, the fluid after last double filtration flows out from the head piece that goes out of right valve barrel.And the impurity in filter process sinks, after opening sewage draining exit, get rid of the impurity in valve body under the water flow pressure effect.This flow control valve directly arranges filtrating equipment in valve body, does not need series filtration unit again in runner, has simplified runner.And double filtration is effective, flow disturbing cover is first got rid of large impurity can prevent that large impurity from stopping up filtering hole.
Technological scheme below in conjunction with the accompanying drawing of the embodiment of the present invention to the embodiment of the present invention is explained and illustrated, but following embodiment is only the preferred embodiments of the present invention, not all.Embodiment based in mode of execution, those skilled in the art are other embodiment that obtains under the prerequisite of not making creative work, all belongs to protection scope of the present invention.
With reference to figure 1 and Fig. 2, the axial flow flow control valve of shown concrete dual filtering functions, comprise valve body and be fixed on the vavle shelf in valve body, the flow of vavle shelf adjustable control valve; Valve body comprises left valve barrel 1 and the right valve barrel 2 of docking, left valve barrel 1 is provided with influent stream mouth 11, right valve barrel 2 is provided with out head piece 21, be provided with flow disturbing cover 8 in the inner chamber of left valve barrel 1, flow disturbing cover 8 is between influent stream mouth 11 and vavle shelf, and vavle shelf is provided with filtering hole towards flow disturbing cover 8 one sides, be provided with sewage draining exit 12 to be opened/closed on left valve barrel 1.Preferably, sewage draining exit 12 is positioned at the below of flow disturbing cover 8.Flow disturbing cover 8 can reduce the rate of flow of fluid entered from influent stream mouth 11 and change the flow direction, large impurity in fluid is lowered into sewage draining exit 8 at Action of Gravity Field, again by filtering hole secondary filter fluid, intercept little impurity, the impurity collected can be discharged from sewage draining exit 12, thereby guarantees out the water cleaning that head piece 21 flows out.Wherein control valve has adopted cylinder-like structure, and comparing its major advantage with the window type valve body is that fluid resistance is little, and circulation area is large, and hour flow is also larger for operating pressure differential.
With reference to figure 2 and Fig. 4, concrete vavle shelf comprises left vavle shelf 3 and right vavle shelf 4, the edge of left vavle shelf 3 and right vavle shelf 4 is clamped between left valve barrel 1 and right valve barrel 2, left valve barrel 1 and right valve barrel 2 opposing sides are provided with positioning hole, left vavle shelf 3 is provided with the corresponding positioning convex that is connected positioning hole with right vavle shelf 4, clamp and accurately be fixed in valve body by vavle shelf behind location, and left vavle shelf 3 is provided with cartridge filter 31 towards flow disturbing cover 8 directions, and filtering hole 314 is set on the periphery of cartridge filter 31 realizes secondary filter, this Placement is simple, whole compact structure.
With reference to figure 3 and Fig. 4, above-mentioned cartridge filter 31 comprises some stiffening ribs that are periphery 311 and is located at the filter plate 312 between stiffening rib 311, the end of stiffening rib 311 is provided with cover plate 313, and filtering hole 314 is set on filter plate 312, and fluid flows in the chamber of left vavle shelf 3 by filtering hole 314; Perhaps cartridge filter can be also the tubular structure with left vavle shelf integral body, and then fluting forms filtering hole thereon; Compare for two kinds, more excellent by filter plate is set between stiffening rib, because in the situation that filtering hole is destroyed, is convenient to safeguard and changes, only need to change filter plate, saved maintenance cost.
With reference to figure 2, Fig. 3 and Fig. 5, flow disturbing cover 8 in the present invention is relative with influent stream mouth 11, flow disturbing cover 8 specifically comprises base plate 81, the base plate 81 upper surfaces some spoilers 82 that are periphery, base plate 81 is connected by screw the end face of cartridge filter 31, the spoiler 82 arranged and base plate 81 radially become certain tilt angle, and the inwall of the top of spoiler 82 and left valve barrel 1 offsets, the fluid that influent stream mouth 11 enters must first will pass through flow disturbing cover 8, base plate 81 and spoiler 82 changes the flow direction of fluids, and obstructs and slow down flow velocity.That replaces also can directly be arranged on spoiler 82 on the end face of cartridge filter 31.
With reference to figure 1 and Fig. 2, improved, the bottom of left valve barrel 1 is provided with the cylinder step, sewage draining exit 12 is set in the cylinder step, the joint of the inwall of left valve barrel 1 and sewage draining exit 12 is provided with depressed part 13, the sidewall of depressed part 13 is the impurity that lead-in chamfered is beneficial to collecting precipitation, and the switching of the plug 14 control of sewage disposal mouths 12 that are threaded on sewage draining exit 12 is opened plug 14 and can be got rid of the impurity in valve body.
With reference to figure 2, Fig. 7 and Fig. 8, for making vavle shelf there is the automatic flow regulatory function, be connected with and regulate flap 7 by Returnning spring 6 on left vavle shelf 3, regulate on flap 7 and be connected with diaphragm 5, the outer end of diaphragm 5 is pressed abd fixed between the opposing end surface at left vavle shelf 3 and right vavle shelf 4 edges, and diaphragm 5 is provided with positioning block, the end face of left vavle shelf 3 is provided with connecting groove 32 and connects positioning block with positioning film 5; Diaphragm 5 is provided with some return ports 51 with the joint of right vavle shelf 4, right vavle shelf 4 is provided with the pod apertures corresponding with return port 51 42, left vavle shelf 3 is provided with the guiding gutter 32 of corresponding return port 51, in the space that fluid in right valve barrel 2 hollow cavities can partly surround by pod apertures 42, return port 51 and the left vavle shelf 3 of guiding gutter 32 inflow, diaphragm 5 and adjusting flap 7 threes, diaphragm 5 is poor according to the right valve barrel hydrodynamic pressure in the left vavle shelf hydrodynamic pressure on right side and left side, and regulating and controlling flap 7 moves axially the inflow of regulating cartridge filter 31 in cartridge filter 31.This structure processing and assembling is simple, and dimensional accuracy also easily guarantees, long service life, and can reach higher flow control accuracy.
With reference to figure 6 and Fig. 8, regulate the concrete mounting type of flap: be provided with boss 71 on the periphery of regulating flap 7, between a side of boss 71 and left vavle shelf 3, Returnning spring 6 be set, the inner of diaphragm 5 is pressed on the opposite side of boss 71 by locking nut 72; Regulate flap under this Placement and impacts littlely in movement process, automatic degree of regulation is high, is not easy to cause noise.
With reference to figure 2, Fig. 9 and Figure 11, this control valve also comprises manual flow regulator 9, manually flow regulator 9 comprises adjustment barrel 91 and adjustable lever 92, right vavle shelf 4 comprises the adjutage 41 extended towards going out head piece 21 directions, the both sides up and down of the periphery of adjutage 41 are provided with water outlet 411, in the outer adjustment barrel 91 that has been socketed of adjutage 41, adjustable lever 92 connects adjustment barrel 91 and can drive adjustment barrel 91 to move axially the water-outlet quantity of controlling adjutage 41.Adopt slidable adjustment cylinder adjust flux, during adjusting, the upper and lower bilateral symmetry of adjutage goes out to flow shockproof, and noise is little, and Axial-running Out stream, and the pressure loss is also little.
With reference to figure 9 and Figure 11, preferred Placement is: the both sides at adjutage 41 peripheries arrange guiding projection 412, guiding projection 412 is along the axial setting of adjutage 41, the inwall of adjustment barrel 91 is provided with the guiding groove 911 that connects guiding projection 412, adjustment barrel 91 is provided with helical rack 912, helical rack 912 is along the axial setting of adjustment barrel 91 peripheries, the lower end of adjustable lever 92 is provided with the helical gear 921 be meshed with helical rack 912, in rotary regulating lever 92 processes, to rotatablely move and be converted into straight line motion, drive adjustment barrel 91 axial actions and control the water-outlet quantity of water outlet 411.Resistance is little in axial sliding, and the precision that the adjustable lever rotation is controlled is high.
With reference to figure 9 and Figure 10, further optimize, be provided with lug boss 22 on the sidewall of right valve barrel 2, be provided with the attachment hole 221 that connects adjustable lever 92 in lug boss 22, the positioning seat 93 connected on lug boss 22, positioning seat 93 comprise the rhombus boss of upper end and be connected to adjustable lever 92 and attachment hole 221 between sleeve, the bottom that the middle part of adjustable lever 92 is provided with step and sleeve offsets, the upper end of adjustable lever 92 is provided with circular groove, be connected with back-up ring 95 in circular groove, and thereby back-up ring 95 is positioned at the end face axially locating adjustable lever 92 of positioning seat 93, adjustable lever 92 stretches out positioning seat 93 and is connected with handwheel 94, and the bottom surface of handwheel 94 is provided with boss 941, the end face of positioning seat 93 is provided with the scalloped recess 931 of corresponding boss 941, thereby scalloped recess can limit the scope of the angle of swing limited flow of handwheel.Be provided with equally spaced scale in the lower end of handwheel 94, positioning seat 93 is provided with salient point 932 indication present flow rate sizes.
During installation, the Sealing tight seal is passed through in each joint, in working procedure:
Fluid enters control valve from the influent stream mouth 11 of left valve barrel 1, produce decelerating effect through flow disturbing cover 8, in the situation that flow velocity is less, large impurity in fluid produces because of Action of Gravity Field, during the cartridge filter 31 of fluid in flowing through left vavle shelf 3, carry out secondary filter, filter out tiny impurity, then fluid through left vavle shelf 3, regulate that flap 7, right vavle shelf 4, adjustment barrel 91 arrive right valve barrel 2 in valve bodies go out head piece 21; Fluid has produced three sections different pressure areas in this process, from influent stream mouth 11 to flow disturbing cover 8 and the pressure span P1 of cartridge filter 31, through left vavle shelf 31 inner chambers, regulate the pressure span P2 that flap 7 arrives diaphragm 5 the right and right vavle shelf 4 inner chambers; The adjustment barrel of flowing through 91 goes out the pressure span P3 of head piece 21 to right valve barrel; Fluid in the P3 of pressure span can be through pod apertures 42, the return port 51 on diaphragm 5 and the guiding gutter 32 on left vavle shelf 3 on right vavle shelf 4, act on the left end of diaphragm 5, when system pressure raises, P2 increases, act on right-hand pressure of diaphragm 5 and just be greater than the elastic force sum that P3 acts on pressure and the Returnning spring 6 of diaphragm 5 lefts, diaphragm 5 drives regulates flap 7 to left movement, so the inflow of cartridge filter 31 reduces, new balance occurs, flow is remained unchanged; In like manner can release the situation that system pressure reduces.When needs manual tune flow, rotate handwheel 94 according to the scale on handwheel 94, the helical gear 921 that handwheel 94 drives adjustable lever 92 and lower end rotates, helical gear 921 coordinates with the helical rack 912 in adjustment barrel 91 outsides, to rotatablely move and be converted into straight line motion, drive adjustment barrel 91 endwisely slips, thereby changes the area of passage of adjutage water outlet 411 in right vavle shelf 4, completes the size adjustment of flow.The impurity that using process produces is collected through the sewage draining exit 12 of left valve barrel 1 lower end, flocks together, and during removal of contamination, turns on plug 14, and impurity is discharged valve body under the effect of fluid water flowing pressure, to guarantee water cleaning.
By above-described embodiment, purpose of the present invention is by fully effective having reached.The personage who is familiar with this technology should be understood that and the present invention includes but be not limited to the content of describing in accompanying drawing and top embodiment.Any modification that does not depart from function and structure principle of the present invention all will be included in the scope of claims.
Claims (10)
1. the axial flow flow control valve of a concrete dual filtering functions, comprise valve body and the vavle shelf that is fixed on adjustable control valve flow in valve body, described valve body comprises the left valve barrel that is provided with the influent stream mouth and the right valve barrel that is provided with out head piece, it is characterized in that: in described left valve barrel, be provided with flow disturbing cover, described flow disturbing cover is between influent stream mouth and vavle shelf, and described vavle shelf is provided with filtering hole towards flow disturbing cover one side, and described left valve barrel is provided with sewage draining exit to be opened/closed.
2. the axial flow flow control valve of a kind of concrete dual filtering functions according to claim 1, it is characterized in that: described vavle shelf comprises left vavle shelf and right vavle shelf, the edge of described left vavle shelf and right vavle shelf is clamped between left valve barrel and right valve barrel, described left vavle shelf is provided with cartridge filter towards the flow disturbing cover direction, and described filtering hole is set on the periphery of described cartridge filter.
3. the axial flow flow control valve of a kind of concrete dual filtering functions according to claim 2, it is characterized in that: described cartridge filter comprises some stiffening ribs that are periphery and is located at the filter plate between stiffening rib, the end of described stiffening rib is provided with cover plate, and described filtering hole is set on described filter plate.
4. according to the axial flow flow control valve of claim 2 or 3 described a kind of concrete dual filtering functions, it is characterized in that: described flow disturbing cover comprises base plate, described base plate connects the end face of described cartridge filter, the upper surface of described base plate some spoilers that have been periphery, described spoiler and base plate radially become certain tilt angle.
5. according to the axial flow flow control valve of claim 1 or 2 or 3 described a kind of concrete dual filtering functions, it is characterized in that: the inwall of described left valve barrel and the joint of sewage draining exit are provided with depressed part, and the sidewall of described depressed part is lead-in chamfered.
6. according to the axial flow flow control valve of claim 2 or 3 described a kind of concrete dual filtering functions, it is characterized in that: on described left vavle shelf, by Returnning spring, be connected with the adjusting flap, be connected with diaphragm on described adjusting flap, described diaphragm is pressed abd fixed between the end face that left vavle shelf is relative with right vavle shelf, described diaphragm and right vavle shelf joint are provided with return port, described right vavle shelf is provided with the pod apertures corresponding with return port, described left vavle shelf is provided with the guiding gutter of corresponding return port, described diaphragm is poor according to the hydrodynamic pressure in left vavle shelf and the hydrodynamic pressure in right valve barrel, the regulating and controlling flap moves axially the inflow of regulating cartridge filter.
7. the axial flow flow control valve of a kind of concrete dual filtering functions according to claim 6, it is characterized in that: the periphery of described adjusting flap is provided with boss, between one side of described boss and left vavle shelf, described Returnning spring is set, described diaphragm is pressed on the opposite side of boss by locking nut.
8. according to the axial flow flow control valve of claim 1 or 2 or 3 described a kind of concrete dual filtering functions, it is characterized in that: described control valve also comprises manual flow regulator, described manual flow regulator comprises adjustment barrel and adjustable lever, described right vavle shelf comprises the adjutage arranged towards going out the head piece direction, the periphery of adjutage is provided with water outlet, the described adjustment barrel of socket on described adjutage, described adjustable lever connects described adjustment barrel and can drive adjustment barrel to move axially the water-outlet quantity of controlling adjutage.
9. the axial flow flow control valve of a kind of concrete dual filtering functions according to claim 8, it is characterized in that: also be provided with guiding projection on the periphery of described adjutage, described guiding projection is along the axial setting of adjutage, the inwall of described adjustment barrel is provided with the guiding groove that connects described guiding projection, described adjustment barrel is provided with helical rack, described helical rack is along the axial setting of adjustment barrel periphery, described adjustable lever is provided with the helical gear be meshed with helical rack, in the rotary regulating lever process, the adjustment barrel axial action is controlled the water-outlet quantity of water outlet.
10. the axial flow flow control valve of a kind of concrete dual filtering functions according to claim 8, it is characterized in that: the sidewall of described right valve barrel is provided with lug boss, be provided with the attachment hole that connects described adjustable lever in described lug boss, be connected with the positioning seat of axial limiting adjustable lever on described lug boss, described adjustable lever stretches out positioning seat and is connected with handwheel, and the bottom surface of handwheel is provided with boss, the end face of described positioning seat is provided with the scalloped recess of corresponding described boss, connects the angle of swing of described boss restriction handwheel in scalloped recess.
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| CN201310351989.6A CN103470798B (en) | 2013-08-13 | 2013-08-13 | A kind of axial flow flow control valve with dual filtering functions |
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| CN201310351989.6A CN103470798B (en) | 2013-08-13 | 2013-08-13 | A kind of axial flow flow control valve with dual filtering functions |
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| CN104667595A (en) * | 2015-02-02 | 2015-06-03 | 成都科力夫科技有限公司 | Automatic oil volume adjusting structure of filter |
| CN104847963A (en) * | 2015-05-28 | 2015-08-19 | 苏州福润机械有限公司 | Filter type valve |
| CN105715951A (en) * | 2016-04-19 | 2016-06-29 | 宁波市江北兴达焊割减压仪表厂 | Pressure reducer used for decreasing deflation speed of gas cylinder |
| CN106286920A (en) * | 2016-08-24 | 2017-01-04 | 天津大衍天成科技有限公司 | A kind of stagewise valve |
| CN109058211A (en) * | 2018-10-30 | 2018-12-21 | 博纳斯威阀门股份有限公司 | Colliding energy dissipation axial-flow type angle stopcock |
| CN109681656A (en) * | 2019-02-22 | 2019-04-26 | 上海冠龙阀门自控有限公司 | A kind of regulating valve of two-stage energy dissipating |
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| CN115355325A (en) * | 2022-08-18 | 2022-11-18 | 四川长仪油气集输设备股份有限公司 | Three-point balance design method of axial-flow type pressure regulator and three-point balance axial-flow type pressure regulator |
| US11512720B2 (en) | 2019-10-28 | 2022-11-29 | Allison Transmission, Inc. | Valve assemblies to supply fluid pressure to components in multiple transmission operating modes |
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