CN103053387B - Capillary inlet flow regulator - Google Patents
Capillary inlet flow regulator Download PDFInfo
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- CN103053387B CN103053387B CN201310011075.5A CN201310011075A CN103053387B CN 103053387 B CN103053387 B CN 103053387B CN 201310011075 A CN201310011075 A CN 201310011075A CN 103053387 B CN103053387 B CN 103053387B
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Abstract
The invention relates to a capillary inlet flow regulator. The capillary inlet flow regulator is characterized by comprising a cylindrical water outlet base, a water inlet cover, a core seat and a disk-shaped elastic membrane, wherein a round hole is arranged on the sidewall of the water outlet base, a cylindrical joint pipeline is arranged on the circumference of the round hole, the water inlet cover is arranged on the top portion of the cylindrical joint pipeline, a water inlet communicated with the cylindrical joint pipeline is arranged on the cover plate, the core seat is arranged in the cylindrical joint pipeline and comprises a round bottom plate, a cylindrical retaining wall is arranged on the top portion of the round bottom plate, a water inlet ring is formed between the periphery of the cylindrical retaining wall and the cylindrical joint pipeline, a central water outlet is arranged at the center of the round bottom plate, a plurality of fan rings protruding upwards are arranged at intervals on the circumference of the central water outlet, surfaces of the fan rings are arc-shaped, groove runners are formed between every two adjacent fan rings, a central jacking column protruding upwards is arranged in the central water outlet, detachable adjusting plates are respectively arranged at positions, corresponding to the groove runners, on the cylindrical retaining wall, and the disk-shaped elastic membrane is arranged in the cylindrical retaining wall and above the fan rings and the central jacking column.
Description
Technical field
The present invention relates to the flow regulator in a kind of agricultural water-saving irrigation equipment, be particularly applicable to irrigation system about one, and there is the hollow billet inlet flow rate regulator of serial flow value.
Background technology
In drip irrigation system, owing to there is the variation of friction loss and landform, the each point pressure difference of the community arm of pouring water, makes each hollow billet import step pressure difference, causes the aquifer yield of every hollow billet also not identical, has reduced the uniformity coefficient of irrigating.Adopt pressure-compensating water dropper can reduce the flow difference that ductwork pressure deviation causes, improve the uniformity of irrigation water appilcation of irrigation system, but such system cost is high.From China's actual conditions, installation capillary-level flow rate regulator for miniature can improve the homogeneity of pouring water of system, simultaneously very economical.
As shown in Figure 7, be the typical flow regulator of one, the pressure regulation elastic body of this kind of flow regulator is circular tube shaped.Its principle of work is: current enter in regulator, part current flow out from water outlet through being parallel to the runner in water (flow) direction, elastic silica gel sleeve pipe 1, a part is assembled at elastic silica gel sleeve pipe 1 outer wall, elastic silica gel sleeve pipe 1 outside is hydrostatic force, elastic silica gel sleeve pipe 1 inner side is flowing pressure, it is strong that hydrostatic pressure is greater than moving hydraulic pressure, and elastic silica gel sleeve pipe 1 can be pressed towards runner.In the time that the pressure of flow regulator import increases, the inside and outside pressure difference of elastic silica gel sleeve pipe 1 increases, water flow passage area was reduced, in the time that intake pressure reduces, the inside and outside pressure difference of elastic silica gel sleeve pipe 1 reduces, water flow passage area was increased, changed thereby reach pressure the stability of flow that keeps flow regulator.But this kind of cylindric silicone tube regulates the flow regulator of runner size, the diameter of its cylindric elastic silica gel sleeve pipe 1 and wall thickness manufacture deviation are not easy to control, there is larger deviation in the performance between flow regulator individuality, properties of product are unstable, and complex structure, volume are larger, assemble bothersome effort, inefficiency.
As shown in Figure 8, Figure 9, for another kind flow regulator of the prior art, the pressure regulation elastic body of this kind of flow regulator is disc-shaped, it is characterized in that, three fan-shaped apertures of cutting apart are set on the supporting seat 1 perpendicular to import water (flow) direction, and sheet elastic body 2 is placed on supporting seat 1; On sheet elastic body 2, also there are three fan-shaped apertures of cutting apart, on three fan-shaped apertures of sheet elastic body 2 and supporting seat, three fan-shaped apertures of 1 are not just to arranging, the shell fragment part that is sheet elastic body 2 faces respectively three apertures on supporting seat 1, and the side in the side of sheet elastic body 2 shell fragment parts and supporting seat 1 aperture was ebb interval 3 in the gap that is parallel to water inlet water (flow) direction.In the time that the intake pressure of flow regulator increases, sheet elastic body 2 presses to supporting seat 1, and ebb interval 3 was reduced, and in the time that the intake pressure of flow regulator reduces, ebb interval 3 increases excessively, thereby reaches the object of regime flow.The principle of this type flow regulator is the size regime flow that changes ebb interval; Owing to will processing several apertures on its elastic deformation diaphragm, the region of diaphragm central authorities distortion is also different with the thickness of periphery, thereby complex forms, processing inconvenience, and manufacturing accuracy is often difficult to reach; The not current aperture to supporting seat just, aperture on diaphragm, flexible sheet needs location while installation, reduced efficiency of assembling.
As shown in Figure 10, Figure 11, be one pressure flow regulator of the prior art, this kind of flow regulator also adopts disc-shaped elastic membrane, it is characterized in that establishing on water inlet pipe a platform 1, runner 2 is left in centre, establishes the bracing frame 3 of protrusion on platform 1, and elastomeric pad 4 is placed on bracing frame 3.Flow to after elastomeric pad 4 when current enter flow regulator inside, due to the obstruction of elastomeric pad 4, the gap location between current own elasticity pad 4 and water inlet tube wall flows into, then flows out through runner 2 behind the gap of flowing through between platform 1 and elastomeric pad 4 bottom surfaces.When import water flow pressure increases, elastomeric pad 4 is to pressing down, and platform 1 reduces with the gap of elastomeric pad 4 bottom surfaces, and inflow-rate of water turbine diminishes, and plays adjust flux and keeps stable object.The difference of flow regulator shown in this kind of flow regulator and accompanying drawing 8 be current through one section of runner perpendicular to import water (flow) direction, when pressure changes by regulating this runner gap length regime flow.
On the whole, the overcurrent flow passage structure of flow regulator is one of principal element affecting its performance, there is defect in market existing hollow billet inlet flow rate regulator flow passage structure, Flow Adjusting Performance is undesirable, has shown and has adjusted the shortcomings such as pressure differential working pressure range excessive, that discharge stability is inadequate, suitable is narrower; The flexible adjustment body of cylindric silicone tube or other complex forms, requirement on machining accuracy is high, and manufacture deviation is not easy to control, and causes flow regulator unstable properties, efficiency of assembling low.
Summary of the invention
For the problems referred to above, the object of this invention is to provide one simple in structure, volume is small and exquisite, is easy to processing and assembling, and Flow Adjusting Performance is stable, is applicable to the hollow billet inlet flow rate regulator of irrigation system.
For achieving the above object, the present invention takes following technical scheme: a kind of hollow billet inlet flow rate regulator, is characterized in that: it comprises water outlet base, water inlet lid, core print seat and disc-shaped flexible sheet; Described water outlet base is cylindrical pipe, is provided with a circular port on the sidewall of described water outlet base, and the circumferential described water outlet base outer wall of described circular port has been wholely set a cylindrical interface pipeline; Described water inlet lid is arranged on the top of described cylindrical interface pipeline, and described water inlet covers and is provided with an inlet opening of leading in described cylindrical interface pipeline; Described core print seat is arranged in described cylindrical interface pipeline; Described core print seat comprises circular bottom plate, the top of described circular bottom plate is provided with cylindrical shape barricade, the diameter of described cylindrical shape barricade is less than the diameter of described circular bottom plate, forms water inlet ring between the periphery of described cylindrical shape barricade and the inwall of described cylindrical interface pipeline; Described circular bottom plate center is provided with a center water outlet hole, in the circumferential described circular bottom plate in described center water outlet hole, be arranged at intervals with some fan rings that raise up, the surface of described fan ring is arcwall face, and the one side that connects described cylindrical shape barricade is high, and the one side that connects described center water outlet hole is low; Described in adjacent two, between fan ring, form groove runner, be provided with a central fore-set raising up in described center water outlet hole, described central fore-set bottom is connected with described fan ring; Position corresponding with each described groove runner on described cylindrical shape barricade is respectively arranged with a dismountable adjustable plate; Described disc-shaped flexible sheet is arranged in described cylindrical shape barricade, the top of described fan ring and central fore-set.
A kind of hollow billet inlet flow rate regulator, is characterized in that: it comprises water outlet base, water inlet lid, core print seat and disc-shaped flexible sheet; Described water outlet base is cylindrical pipe, and one end of described water outlet base is as water inlet end, and the circumferential described water outlet base outer wall of described water inlet end has been wholely set a cylindrical interface pipeline; Described water inlet lid is arranged on the top of described cylindrical interface pipeline, and described water inlet covers and is provided with an inlet opening of leading in described cylindrical interface pipeline; Described core print seat is arranged in described cylindrical interface pipeline; Described core print seat comprises circular bottom plate, the top of described circular bottom plate is provided with cylindrical shape barricade, the diameter of described cylindrical shape barricade is less than the diameter of described circular bottom plate, forms water inlet ring between the periphery of described cylindrical shape barricade and the inwall of described cylindrical interface pipeline; Described circular bottom plate center is provided with a center water outlet hole, in the circumferential described circular bottom plate in described center water outlet hole, be arranged at intervals with some fan rings that raise up, the surface of described fan ring is arcwall face, and the one side that connects described cylindrical shape barricade is high, and the one side that connects described center water outlet hole is low; Described in adjacent two, between fan ring, form groove runner, be provided with a central fore-set raising up in described center water outlet hole, described central fore-set bottom is connected with described fan ring; Position corresponding with each described groove runner on described cylindrical shape barricade is respectively arranged with a dismountable adjustable plate; Described disc-shaped flexible sheet is arranged in described cylindrical shape barricade, the top of described fan ring and central fore-set.
Described water inlet lid comprises the cylindrical epimere and the cylindrical hypomere that are wholely set, the external diameter of described cylindrical epimere is less than the external diameter of described cylindrical hypomere, the internal diameter of described cylindrical hypomere is greater than the external diameter of described cylindrical interface pipeline, and described cylindrical hypomere is threaded connection in the top of the top of described cylindrical interface pipeline periphery or described cylindrical interface pipeline is plugged on described cylindrical hypomere; Described cylindrical epimere is provided with a diameter and is less than the internal diameter of described cylindrical interface pipeline and leads to the inlet opening in described cylindrical interface pipeline.
The described central fore-set raising up arranging in described center water outlet hole is " people " font, and bottom surface, three ends correspondence of described " people " font central authorities fore-set is connected with three described fan rings.
Described adjustable plate interval dismounting or by described adjustable plate complete removal.
The side of described fan ring is curved side, and the groove runner forming between adjacent two protruding described fan rings is labyrinth path.
The side of described fan ring is straight line, and the groove runner forming between adjacent two protruding described fan rings is straight-through type flow passage.
The water side of described water outlet base is the form of threaded screw, connects drip irrigation zone; Or be the form of two hangnails, socket joint drip irrigation pipe or hollow billet.
The present invention is owing to taking above technical scheme, and it has the following advantages: 1, the present invention includes water outlet base, water inlet lid, core print seat and disc-shaped flexible sheet, in the cylindrical shape barricade of core print seat, be arranged at intervals with some fan rings that raise up, and the surface of fan ring is designed to arc according to the feature of disc-shaped flexible sheet compressive deformation, formation outer rim is high, the low arc in center is subject to concave surface pressing, and (or outer rim is high, the low V-arrangement in center is subject to concave surface pressing), therefore, in the time of disc-shaped flexible sheet compressive deformation, groove runner of the present invention not only cross-sectional area changes, and overcurrent flow channel length also changes, can implement area of passage compensation and flow channel length compensation simultaneously, compared with only implementing other products of Area Compensation, adjust pressure differential to reduce for of the present invention, the working pressure range of stability of flow increases, realize to greatest extent pressure compensation, stable flow is provided.2, disc-shaped flexible sheet is set on core print seat of the present invention, between the cylindrical interface pipeline of the cylindrical shape barricade of core print seat and water outlet base, form water inlet ring, and in the cylindrical shape barricade of core print seat, be arranged at intervals with some fan rings that raise up, between adjacent two fan rings, form groove runner, and the position corresponding with each groove runner is respectively arranged with a dismountable adjustable plate, therefore, according to the requirement of hollow billet import inflow-rate of water turbine, only need to dismantle one or several adjustable plate, the number of the inner overcurrent runner of corresponding change or change different flexible disc-shaped diaphragms, the present invention can form the flow regulator with a series of flow grades, meet different flow requirement, can also simplify the performance history of mould.3, the center of core print seat of the present invention is provided with center water outlet hole, in center water outlet hole, be provided with " people " font central authorities fore-set raising up, therefore, both can guarantee the stable of adjusting function, can also prevent that pressure is large time, disc-shaped flexible sheet is shut runner completely, has increased the applicable working pressure range of flow regulator.4, the present invention, due to the structure setting described in above advantage 1,3, makes it have very strong pressure compensation performance, plays low, the applicable working pressure range of pressure regulation power large, and adjusting function is stable; The present invention, due to the structure setting in above-mentioned advantage 2, forms serial flow by changing runner number, can meet the requirement of hollow billet import different flow, tackles flexibly the variation of irrigation system in field is used; And because the flexible adjustment patching of the present invention's employing is simple, be convenient to assembling, manufacture deviation is very little, can effectively regulate the flow of slight irrigation hollow billet import, therefore, use the present invention can change the auxiliary pipe rotation flow design of current irrigation system in hollow billet import, and adopt arm rotation flow, thereby reduce construction costs, reduce the labour intensity of system management, improve the uniformity of irrigation water appilcation of system, guarantee the security of capillary migration.The present invention can realize the regime flow of different series by changing the elasticity of overcurrent runner number or change diaphragm, and simple in structure, and volume is small and exquisite, can be widely used in the hollow billet inlet flow rate adjustment process of irrigation system.
Accompanying drawing explanation
Fig. 1 is water outlet base and the core print seat schematic perspective view of the embodiment of the present invention one
Fig. 2 is the cross-sectional view of the embodiment of the present invention one
Fig. 3 is labyrinth flow-path core print seat schematic perspective view of the present invention; Fig. 3 (a) is the schematic diagram that retains all adjustable plates; Fig. 3 (b) is the schematic diagram of interval dismounting adjustable plate; Fig. 3 (c) is the schematic diagram of adjustable plate complete removal
Fig. 4 is straight-through runner core print seat schematic perspective view of the present invention; Fig. 4 (a) is the schematic diagram that retains all adjustable plates; Fig. 4 (b) is the schematic diagram of interval dismounting adjustable plate; Fig. 4 (c) is the schematic diagram of adjustable plate complete removal
Fig. 5 is core print seat of the present invention and flexible sheet diagrammatic cross-section; Fig. 5 (a) is that flexible sheet is placed schematic diagram naturally; Fig. 5 (b) is that flexible sheet is subject to hydraulic pressure schematic diagram
Fig. 6 is the cross-sectional view of the embodiment of the present invention two
Fig. 7 is a kind of cylindrical sleeve tubular type flow regulator structural representation of the prior art
Fig. 8 is chip flow regulator perspective view of the prior art
Fig. 9 is the local enlarged diagram of Fig. 8
Figure 10 is chip flow regulator perspective view of the prior art
Figure 11 is the local enlarged diagram of Figure 10
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment mono-:
As shown in Figure 1 and Figure 2, embodiment mono-comprise that water outlet base 1, water inlet cover 2, core print seat 3 and disc-shaped flexible sheet 4.
As shown in Figure 1 and Figure 2, water outlet base 1 is a cylindrical pipe, on the sidewall of water outlet base 1, be provided with a circular port 11, circumferential water outlet base 1 outer wall of circular port 11 has been wholely set a cylindrical interface pipeline 12, the internal diameter of cylindrical interface pipeline 12 is greater than the diameter of circular port 11, the top of cylindrical interface pipeline 12 is threaded connection into water lid 2, or is plugged in water lid 2.Circular port 11, water inlet cover 2 as water inlet end, and the two ends of water outlet base 1 are as water side.
As shown in Figure 2, water inlet is covered 2 and is comprised the cylindrical epimere 21 and the cylindrical hypomere 22 that are wholely set, the external diameter of cylindrical epimere 21 is less than the external diameter of cylindrical hypomere 22, the internal diameter of cylindrical hypomere 22 is greater than the external diameter of cylindrical interface pipeline 12, and cylindrical hypomere 22 is threaded connection in the top of the top of cylindrical interface pipeline 12 periphery or cylindrical interface pipeline 12 is plugged on cylindrical hypomere 22.Cylindrical epimere 21 is provided with a diameter and is less than cylindrical interface pipeline 12 internal diameters and leads to the inlet opening 23 in cylindrical interface pipeline 12.
As shown in Figure 2, Figure 3, Figure 4, core print seat 3 is arranged in the middle cavities of the cylindrical interface pipeline 12 of water outlet base 1, and both take interference fit.Core print seat 3 comprises circular bottom plate 31, and the top of circular bottom plate 31 is provided with cylindrical shape barricade 32, and the diameter of cylindrical shape barricade 32 is less than the diameter of circular bottom plate 31, has formed water inlet ring 33 between the periphery of cylindrical shape barricade 32 and the inwall of cylindrical interface pipeline 12; Circular bottom plate 31 centers of cylindrical shape barricade 32 inside are provided with a center water outlet hole 34, in the circumferential circular bottom plate 31 in center water outlet hole 34, be arranged at intervals with some fan rings 35 that raise up, the surface of fan ring 35 is arc, the one side that connects cylindrical shape barricade 32 is high, the one side that connects center water outlet hole 34 is low, between adjacent two fan rings 35, form the groove runner 36 that xsect is rectangle, each groove runner 36 connects center water outlet hole 34.In center water outlet hole 34, be provided with " people " font central authorities fore-set 37 raising up, bottom surface, three ends correspondence of " people " font central authorities fore-set 37 is connected with three fan rings 35.On cylindrical shape barricade 32, the position corresponding with each groove runner 36 is respectively arranged with a dismountable adjustable plate 38.As shown in Fig. 3 (a), Fig. 4 (a), for retaining the schematic diagram of all adjustable plates, this is the structure of producing factory; In the time that the present invention works, can dismantle some adjustable plates 38 by hollow billet inlet flow rate as required, for example, can dismantle 38 in interval, as shown in Fig. 3 (b), Fig. 4 (b); Or by adjustable plate 38 complete removals, as shown in Fig. 3 (c), Fig. 4 (c).
As shown in Fig. 2, Fig. 5, disc-shaped flexible sheet 4 is placed on the top (as shown in Fig. 5 (a)) that cylindrical shape barricade 32 is interior, fan ring 35 and " people " font central authorities fore-set 37; Cylindrical shape barricade 32 has formed one with the upstream face of fan ring 35 and " people " font central authorities' fore-set 37 tops can be for U-shaped (or V-arrangement) groove of disc-shaped flexible sheet 4 activities.In the time that disc-shaped flexible sheet 4 is fitted with the upper surface of fan ring 35 and " people " font central authorities fore-set 37 by hydraulic pressure gradually (as shown in Fig. 5 (b)), groove runner 36 has formed the core runner of flow regulator.
Embodiment bis-:
As shown in Figure 6, embodiment bis-comprise that water outlet base 1, water inlet cover 2, core print seat 3 and disc-shaped flexible sheet 4.
As shown in Figure 6, water outlet base 1 is a cylindrical pipe, and one end of water outlet base 1 is as water inlet end, and the other end is as water side.Water inlet end is equal to the circular port 11 arranging on the sidewall of water outlet base 1 in embodiment mono-, circumferential water outlet base 1 outer wall of water inlet end has been wholely set a cylindrical interface pipeline 12, the internal diameter of cylindrical interface pipeline 12 is greater than the diameter of water inlet end, the top of cylindrical interface pipeline 12 is threaded connection into water lid 2, or is plugged in water lid 2.
The structure of water inlet lid 2, core print seat 3 and disc-shaped flexible sheet 4 in embodiment bis-is corresponding identical with the structure of water inlet lid 2, core print seat 3 and disc-shaped flexible sheet 4 in embodiment mono-respectively, no longer describes in detail at this.
In above-described embodiment, the water side of water outlet base 1 can be the form of threaded screw, connects drip irrigation zone; Also can be the form of two hangnails, socket joint drip irrigation pipe or hollow billet.
In above-described embodiment, the side of fan ring 35 can be curved side, and the groove runner 36 forming between adjacent two protruding fan rings 35 is labyrinth path, as shown in Figure 3; The side of fan ring 35 can be straight line, and the groove runner 36 forming between adjacent two protruding fan rings 35 is straight-through type flow passages, as shown in Figure 4.
In above-described embodiment, " people " font central authorities fore-set 37 can be also other shapes, and for example " ten " font central authorities fore-set etc., as long as raising up structure, can reach and withstand disc-shaped flexible sheet 4, and not hinder current to pass through center water outlet hole 34.
In above-described embodiment, it is low that fan ring 35 connects one side of cylindrical shape barricade 32, and the one side in connection center water outlet hole 34 is high, and fan ring 35 upstream faces and central fore-set 37 form a convex surface, also, can realize pressure variation time, change overcurrent runner basal area and flow channel length simultaneously.
As shown in Figure 2, water flow control method of the present invention is: current cover 2 from water inlet and enter, from the water inlet ring 33 forming between the periphery of cylindrical shape barricade 32 and the inwall of cylindrical interface pipeline 12, adjacent two fans of flowing through encircle the groove runner 36 forming between 35, and then enter center water outlet hole 34, finally flow out from the water side of water outlet base 1; In the time that pressure increases, there is deformation and press to the fan ring 35 of core print seat 3 and the upstream face at " people " font central authorities' fore-set 37 tops in disc-shaped flexible sheet 4, groove runner 36 cross-sectional areas (disc-shaped flexible sheet 4 forms jointly with groove runner 36) are reduced, and water flow passage length increases simultaneously; In the time that pressure reduces, the deflection of disc-shaped flexible sheet 4 reduces, and groove runner 36 cross-sectional areas are increased, and water flow passage length shortens simultaneously, thereby while having guaranteed that pressure changes, the flow of the flow regulator of flowing through does not change.
The various embodiments described above are only for illustrating the present invention, and wherein structure, the connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (10)
1. a hollow billet inlet flow rate regulator, is characterized in that: it comprises water outlet base, water inlet lid, core print seat and disc-shaped flexible sheet;
Described water outlet base is cylindrical pipe, is provided with a circular port on the sidewall of described water outlet base, and the circumferential described water outlet base outer wall of described circular port has been wholely set a cylindrical interface pipeline;
Described water inlet lid is arranged on the top of described cylindrical interface pipeline, and described water inlet covers and is provided with an inlet opening of leading in described cylindrical interface pipeline;
Described core print seat is arranged in described cylindrical interface pipeline; Described core print seat comprises circular bottom plate, the top of described circular bottom plate is provided with cylindrical shape barricade, the diameter of described cylindrical shape barricade is less than the diameter of described circular bottom plate, forms water inlet ring between the periphery of described cylindrical shape barricade and the inwall of described cylindrical interface pipeline; Described circular bottom plate center is provided with a center water outlet hole, in the circumferential described circular bottom plate in described center water outlet hole, be arranged at intervals with some fan rings that raise up, the surface of described fan ring is arcwall face, and the one side that connects described cylindrical shape barricade is high, and the one side that connects described center water outlet hole is low; Described in adjacent two, between fan ring, form groove runner, be provided with a central fore-set raising up in described center water outlet hole, described central fore-set bottom is connected with described fan ring; Position corresponding with each described groove runner on described cylindrical shape barricade is respectively arranged with a dismountable adjustable plate;
Described disc-shaped flexible sheet is arranged in described cylindrical shape barricade, the top of described fan ring and central fore-set.
2. a hollow billet inlet flow rate regulator, is characterized in that: it comprises water outlet base, water inlet lid, core print seat and disc-shaped flexible sheet;
Described water outlet base is cylindrical pipe, and one end of described water outlet base is as water inlet end, and the circumferential described water outlet base outer wall of described water inlet end has been wholely set a cylindrical interface pipeline;
Described water inlet lid is arranged on the top of described cylindrical interface pipeline, and described water inlet covers and is provided with an inlet opening of leading in described cylindrical interface pipeline;
Described core print seat is arranged in described cylindrical interface pipeline; Described core print seat comprises circular bottom plate, the top of described circular bottom plate is provided with cylindrical shape barricade, the diameter of described cylindrical shape barricade is less than the diameter of described circular bottom plate, forms water inlet ring between the periphery of described cylindrical shape barricade and the inwall of described cylindrical interface pipeline; Described circular bottom plate center is provided with a center water outlet hole, in the circumferential described circular bottom plate in described center water outlet hole, be arranged at intervals with some fan rings that raise up, the surface of described fan ring is arcwall face, and the one side that connects described cylindrical shape barricade is high, and the one side that connects described center water outlet hole is low; Described in adjacent two, between fan ring, form groove runner, be provided with a central fore-set raising up in described center water outlet hole, described central fore-set bottom is connected with described fan ring; Position corresponding with each described groove runner on described cylindrical shape barricade is respectively arranged with a dismountable adjustable plate;
Described disc-shaped flexible sheet is arranged in described cylindrical shape barricade, the top of described fan ring and central fore-set.
3. a kind of hollow billet inlet flow rate regulator as claimed in claim 1, it is characterized in that: described water inlet lid comprises the cylindrical epimere and the cylindrical hypomere that are wholely set, the external diameter of described cylindrical epimere is less than the external diameter of described cylindrical hypomere, the internal diameter of described cylindrical hypomere is greater than the external diameter of described cylindrical interface pipeline, and described cylindrical hypomere is threaded connection in the top of the top of described cylindrical interface pipeline periphery or described cylindrical interface pipeline is plugged on described cylindrical hypomere; Described cylindrical epimere is provided with a diameter and is less than the internal diameter of described cylindrical interface pipeline and leads to the inlet opening in described cylindrical interface pipeline.
4. a kind of hollow billet inlet flow rate regulator as claimed in claim 2, it is characterized in that: described water inlet lid comprises the cylindrical epimere and the cylindrical hypomere that are wholely set, the external diameter of described cylindrical epimere is less than the external diameter of described cylindrical hypomere, the internal diameter of described cylindrical hypomere is greater than the external diameter of described cylindrical interface pipeline, and described cylindrical hypomere is threaded connection in the top of the top of described cylindrical interface pipeline periphery or described cylindrical interface pipeline is plugged on described cylindrical hypomere; Described cylindrical epimere is provided with a diameter and is less than the internal diameter of described cylindrical interface pipeline and leads to the inlet opening in described cylindrical interface pipeline.
5. a kind of hollow billet inlet flow rate regulator as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: the described central fore-set raising up being provided with in described center water outlet hole is " people " font, bottom surface, three ends correspondence of described " people " font central authorities fore-set is connected with three described fan rings.
6. a kind of hollow billet inlet flow rate regulator as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described adjustable plate interval dismounting or by described adjustable plate complete removal.
7. a kind of hollow billet inlet flow rate regulator as claimed in claim 5, is characterized in that: described adjustable plate interval dismounting or by described adjustable plate complete removal.
8. a kind of hollow billet inlet flow rate regulator as claimed in claim 1 or 2 or 3 or 4, is characterized in that: the side of described fan ring is curved side, the groove runner forming between adjacent two protruding described fan rings is labyrinth path.
9. a kind of hollow billet inlet flow rate regulator as claimed in claim 1 or 2 or 3 or 4, is characterized in that: the side of described fan ring is straight line, the groove runner forming between adjacent two protruding described fan rings is straight-through type flow passage.
10. a kind of hollow billet inlet flow rate regulator as claimed in claim 1 or 2 or 3 or 4, is characterized in that: the form that the water side of described water outlet base is threaded screw, connects drip irrigation zone; Or be the form of two hangnails, socket joint drip irrigation pipe or hollow billet.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104719092A (en) * | 2013-12-20 | 2015-06-24 | 天津泓柏科技有限公司 | Self-compensation flow balancing bubbler machine |
| WO2016033816A1 (en) * | 2014-09-06 | 2016-03-10 | 林文斌 | Flat plate sheet type flow controller |
| CN108812218B (en) * | 2018-07-05 | 2023-09-15 | 华维节水科技集团股份有限公司 | Pressure compensation micro-sprinkling irrigation water device |
| CN108935016A (en) * | 2018-09-11 | 2018-12-07 | 中国农业大学 | A kind of flow regulator for drip irrigation |
| CN109433542B (en) * | 2019-01-17 | 2024-01-30 | 山东桑莱斯新材料有限公司 | Foam caulking agent spray gun |
| CN117307754A (en) * | 2022-02-28 | 2023-12-29 | 中国农业科学院农田灌溉研究所 | Automatic water flow switching valve |
| CN114766168A (en) * | 2022-04-02 | 2022-07-22 | 石河子大学 | Pressure compensation type drip irrigation tape embedded patch dripper with long flow channel pipe structure |
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| US6695011B2 (en) * | 2002-05-07 | 2004-02-24 | Dieter Wildfang Gmbh | Flow regulator |
| CN2574397Y (en) * | 2002-09-30 | 2003-09-24 | 中国农业大学 | Flow quantity regulating device |
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