CN203264912U - Pressure compensation type water dropper and drip irrigation tape or pipe - Google Patents
Pressure compensation type water dropper and drip irrigation tape or pipe Download PDFInfo
- Publication number
- CN203264912U CN203264912U CN 201320286814 CN201320286814U CN203264912U CN 203264912 U CN203264912 U CN 203264912U CN 201320286814 CN201320286814 CN 201320286814 CN 201320286814 U CN201320286814 U CN 201320286814U CN 203264912 U CN203264912 U CN 203264912U
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- China
- Prior art keywords
- water dropper
- upper cover
- water
- pressure compensating
- base
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Abstract
The utility model relates to the technical field of drip irrigation, in particular to a pressure compensation type water dropper. The pressure compensation type water dropper comprises a water dropper base and a water dropper upper cover, wherein the water dropper base is provided with a water inlet hole, and the water dropper upper cover is provided with a water outlet hole. A containing cavity is formed in the upper side of the water dropper base, the water dropper upper cover is contained in the containing cavity, a clamping groove is formed in the containing cavity, and a rubber piece is arranged inside the clamping groove and is located between the water dropper base and the water dropper upper cover. Liquid enters the pressure compensation type water dropper through the water inlet hole, due to the fact that the rubber piece is located between the water dropper base and the water dropper upper cover, the water dropper base and the water dropper upper cover are separated through the rubber piece, when the liquid enters the pressure compensation type water dropper, the hydraulic pressure is exerted on the rubber piece, the rubber piece squeezes the water dropper upper cover provided with the water outlet hole, the water passing sectional area is changed, the flow of the liquid passing through the water outlet hole is stable within the regulated range, and accordingly the pressure compensation type water dropper can be applied to products related to water droppers.
Description
Technical field
The utility model relates to the drip irrigation technique field, particularly a kind of pressure compensating emitter and have the drip irrigation zone of this pressure compensating emitter/pipe.
Background technology
Drip irrigation technique is by the water dropper on main, arm and hollow billet, under low pressure often drips lentamente to soil; It is a kind of irrigation system of moisture, fertilizer or other chemical agent etc. that have directly filtered to the soil supply.It is water spray or irrigation canals and ditches flowing water not, only allows water slowly ooze, and enter soil under gravity and effect capillaceous.Splash near the water crop root, make the soil in the main root of crop district often keep optimum water status.This is a kind of advanced person's irrigation method.
Water dropper is as the key equipment of drip irrigation technique, and its effect mainly splashes into soil uniformly with water and nutrient, allows Crop required nutrient and moisture.Domestic existing interior edge water dropper major part can not keep identical flow in wider pressure range, when pressure changes greatly, the water dropper flow is larger with change in pressure, such water dropper easily diminish with the growth pressure of fed distance and flow diminish, the uniformity that can't keep long distance and hillside to irrigate, crop irrigation is inhomogeneous and cause that crop growing state is inhomogeneous, and is uncontrollable to the quality of crop.
The utility model content
Not enough for prior art, the utility model proposes a kind of pressure compensating emitter and drip irrigation zone/pipe, be intended to solve existing water dropper in the pressure variation greatly in situation, the water dropper flow is with the larger problem of change in pressure.
The technical scheme that the utility model proposes is:
A kind of pressure compensating emitter, comprise the water dropper upper cover that has inlet opening water dropper base, has apopore, described water dropper base upside is provided with cavity volume, described water dropper upper cover is loaded in described cavity volume, be provided with draw-in groove in described cavity volume, in described draw-in groove, film is housed, described film is between described water dropper base and described water dropper upper cover.
Further technical scheme can also be, described water dropper base downside is provided with into the water grid, and the diapire of described draw-in groove is provided with intake chamber, and described intake chamber and described water inlet grid run through formation several described inlet openings.
Further technical scheme can also be, also is provided with two in described cavity volume and crosses hydroeciums, and two described crosses the two ends that hydroecium is positioned at described draw-in groove, and described intake chamber is communicated in two described hydroeciums of crossing.
Further technical scheme can also be, an end of described water dropper upper cover downside was provided with tank, and the described tank of crossing is communicated in a wherein described hydroecium of crossing.
Further technical scheme can also be, described water dropper upper cover downside also is provided with sawtooth shape flow passage, and described apopore is communicated with the described tank of crossing by described sawtooth shape flow passage.Further technical scheme can also be, described water dropper upper cover downside also is provided with the plenum chamber that is communicated in described sawtooth shape flow passage, be provided with the current stabilization platform in described plenum chamber, described apopore is located on described current stabilization platform, and described current stabilization platform is provided with the stable chute that is communicated in described apopore, described plenum chamber.
Further technical scheme can also be that described sawtooth shape flow passage, described plenum chamber region area of living in are less than or equal to the top surface area of described film.
Further technical scheme can also be, described water dropper upper cover upside also is provided with water-supplying chamber, is provided with boss in described water-supplying chamber, and described apopore is located on described boss.
Further technical scheme can also be to establish in described water-supplying chamber and also be equipped with auxiliary punching station.
The utility model also proposes a kind of drip irrigation zone/pipe, comprises drip irrigation zone/tube body, is provided with above-mentioned pressure compensating emitter on the sidewall of described drip irrigation zone/tube body.
according to above-mentioned technical scheme, the utility model beneficial effect: it is inner that liquid enters described pressure-compensating water dropper by described inlet opening, due to described film between described water dropper base and described water dropper upper cover, described film has been separated described water dropper base and described water dropper upper cover, when liquid enters described pressure-compensating water dropper inside, the pressure-acting of liquid is on described film, described film is to the described water dropper upper cover extruding with described apopore, changed and crossed the water sectional area, thereby guarantee to be stabilized in prescribed limit by the fluid flow of described apopore, improved the service life of pressure-compensating water dropper, thereby extended the service life of drip irrigation zone/pipe that this water dropper is housed, also guarantee the irrigation uniformity to crop, and described film is loaded in described draw-in groove, described draw-in groove guarantees that described film pressure compensation is stable.
Owing to the utlity model has above-mentioned characteristics and advantage, can be applied in the products such as water dropper for this reason.
Description of drawings
Fig. 1 is the structural representation of using the described pressure-compensating water dropper of technical solutions of the utility model;
Fig. 2 is the structural representation of using the described water dropper base upside of technical solutions of the utility model;
Fig. 3 is the structural representation of using the described water dropper base downside of technical solutions of the utility model;
Fig. 4 is the structural representation of using the described film of technical solutions of the utility model;
Fig. 5 is the structural representation of using the described water dropper upper cover downside of technical solutions of the utility model;
Fig. 6 is the structural representation of using the described water dropper upper cover upside of technical solutions of the utility model.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As Fig. 1, Fig. 2 and shown in Figure 4, a kind of pressure compensating emitter, comprise water dropper base 1, the film 2 with inlet opening 16 and the water dropper upper cover 3 with apopore 33, water dropper base 1 upside is provided with cavity volume 11, water dropper upper cover 3 is loaded in cavity volume 11, be provided with draw-in groove 12 in cavity volume 11, film 2 is loaded in draw-in groove 12 and between water dropper base 1 and water dropper upper cover 3.
wherein, the madial wall of cavity volume 11 is close in water dropper upper cover 3 edges, it is inner that liquid enters described pressure-compensating water dropper by inlet opening 16, due to film 2 between water dropper base 1 and water dropper upper cover 3, film 2 has been separated water dropper base 1 and water dropper upper cover 3, when liquid enters described pressure-compensating water dropper inside, hydraulic action is on film 2, film 2 is to water dropper upper cover 3 extruding with apopore 33, changed and crossed the water sectional area, thereby guarantee to be stabilized in prescribed limit by the fluid flow of apopore 33, improved the service life of pressure-compensating water dropper, thereby extended the service life of drip irrigation zone/pipe that this water dropper is housed, also guarantee the irrigation uniformity to crop, and film 2 is loaded in draw-in groove 12, draw-in groove 12 guarantees that film 2 pressure compensations are stable.
As shown in Figures 2 and 3, water dropper base 1 downside is provided with into water grid 15, and the diapire of draw-in groove 12 is provided with intake chamber 14, and intake chamber 14 runs through with water inlet grid 15 and forms several inlet openings 16.Liquid is by water inlet during grid 15, and it is inner that water inlet grid 15 enter described pressure-compensating water dropper greater than the granule foreign in 16 apertures, inlet opening in can barrier liquids, and the liquid after filtration flows in intake chambers 14 by inlet opening 16.
As shown in Figure 2,11 also are provided with two and cross 13, two of hydroeciums and cross the two ends that hydroecium 13 is positioned at draw-in groove 12 in cavity volume, and intake chamber 14 is communicated in two and crosses hydroeciums 13.Liquid flows in draw-in grooves 12 by inlet opening 16, then flows to two hydroeciums 13 excessively through draw-in groove 12.
As shown in Figure 5, an end of water dropper upper cover 3 downsides was provided with tank 31, and tank 31 is communicated in wherein and one crosses hydroecium 13 excessively.Wherein a liquid of crossing in hydroecium 13 passed through the water dropper upper cover 3 that tank 31 flow directions are separated by film 2, when water dropper upper cover 3 is packed water dropper base 1 into, did not need to distinguish left and right directions, for this reason,
Described pressure-compensating water dropper can also avoid assembling anisotropy in assembling problem.
As shown in Figure 3, inlet opening 16 is positioned at the middle place of water dropper base 1 downside, allows liquid easily enter, and simultaneously, inlet opening 16 also is positioned at the middle place of film 2, keeps the maximal efficiency of film 2 pressure compensation work.
Particularly, water dropper base 1 has several inlet openings 16, and each inlet opening 16 is a straight line and is distributed in water dropper base 1.
As shown in Figure 3, water dropper base 1 downside also is provided with water dropper identification slot 17.Water dropper identification slot 17 is used for identification water dropper base 1, and improves the efficient that described pressure compensating emitter is arranged on drip irrigation zone/pipe.
As shown in Figure 5, water dropper upper cover 3 downsides also are provided with sawtooth shape flow passage 32, and apopore 33 is communicated with mistake tank 31 by sawtooth shape flow passage 32.Sawtooth shape flow passage 32 vertically is distributed in water dropper upper cover 3 downsides, and has a plurality of corners; Film 2 has been separated the intake chamber 14 of water dropper base 1 and sawtooth shape flow passage 32 and the apopore 33 of water dropper upper cover 3 in draw-in groove 12, cross the water sectional area with film 2 by what change sawtooth shape flow passage 32, reaches and controls apopore 33 in the regime flow scope.
As shown in Figure 5, particularly, sawtooth shape flow passage 32 is to be formed by several blocks triangular in shape 321, and each block 321 shifts to install.The flow direction of 321 pairs of liquid of block and the effect of drainage is arranged can make the flow velocity of liquid become mild in sawtooth shape flow passage 32 by barrier liquid.Has the gap between each block 321 on each sidewall.Have the gap between each block 321 and can for hydraulic shock more rapidly, have the effect of buffering to it.
Water dropper upper cover 3 downsides also are provided with the plenum chamber 34 that is communicated in sawtooth shape flow passage 32, are provided with current stabilization platform 35 in plenum chamber 34, and apopore 33 is located on current stabilization platform 35, and current stabilization platform 35 is provided with the stable chute 36 that is communicated in apopore 33, plenum chamber 34.The liquid that plenum chamber 34 convection current are come in has buffering and the temporary transient effect that stores, and what stable chute 36 confined liquids flowed to apopore 33 crosses the water sectional area.
Sawtooth shape flow passage 32, plenum chamber 34 region area of living in are less than or equal to the top surface area of film 2.Film 2 can cover sawtooth shape flow passage 32, plenum chamber 34 zone of living in, and sawtooth shape flow passage 32, plenum chamber 34 are separated by film 2 with intake chamber 14, in order to allow film 2 have pressure compensation.
As shown in Figure 6, water dropper upper cover 3 upsides also are provided with water-supplying chamber 37, are provided with boss 38 in water-supplying chamber 37, and apopore 33 is located on boss 38.
Establish in water-supplying chamber 37 and also be equipped with auxiliary punching station 39.Being convenient to described pressure compensating emitter punches on drip irrigation zone/pipe.
In sum, when liquid passes through water inlet grid 15, granule foreign greater than 16 apertures, inlet opening in 15 pairs of liquid of water inlet grid filters, liquid after filtration enters described pressure-compensating water dropper inside by inlet opening 16 and flows to the hydroecium 13 excessively on both sides by means of intake chamber 14, wherein a liquid of crossing hydroecium 13 passed through tank 31 and flowed to sawtooth shape flow passage 32, sawtooth shape flow passage 32 flows to apopore 33 through plenum chamber 34 again, and film 2 has been separated the intake chamber 14 of water dropper base 1 and sawtooth shape flow passage 32, plenum chamber 34 and the apopore 33 of water dropper upper cover 3 in draw-in groove 12; When liquid enters described pressure-compensating water dropper inside, hydraulic action is on film 2, film 2 is to sawtooth shape flow passage 32, plenum chamber 34 and apopore 33 extruding, changed and crossed the water sectional area, thereby guarantee to be stabilized in prescribed limit by the fluid flow of apopore 33, guarantee the service life of pressure-compensating water dropper, thereby extended the service life of drip irrigation zone/pipe that this water dropper is housed, also guaranteed the irrigation uniformity to crop; Draw-in groove 12 guarantees that film 2 pressure compensations are stable, when film 2 and water dropper upper cover 3 are packed water dropper base 1 into, does not need to distinguish left and right directions, for this reason, and described pressure-compensating water dropper can also avoid assembling anisotropy in assembling problem.
The utility model also proposes a kind of drip irrigation zone/pipe, comprises drip irrigation zone/tube body (not marking in the drawings), is provided with above-mentioned pressure compensating emitter on the sidewall of described drip irrigation zone/tube body.The drip irrigation zone of employing the utility model pressure compensating emitter/pipe has advantages of described pressure compensating emitter.
These are only preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. pressure compensating emitter, comprise the base with inlet opening water dropper, the water dropper upper cover with apopore, it is characterized in that, described water dropper base upside is provided with cavity volume, described water dropper upper cover is loaded in described cavity volume, be provided with draw-in groove in described cavity volume, in described draw-in groove, film be housed, described film is between described water dropper base and described water dropper upper cover.
2. a kind of pressure compensating emitter according to claim 1, is characterized in that, described water dropper base downside is provided with into the water grid, and the diapire of described draw-in groove is provided with intake chamber, and described intake chamber is communicated with described water inlet grid and forms several described inlet openings.
3. a kind of pressure compensating emitter according to claim 2, is characterized in that, also is provided with two hydroeciums excessively in described cavity volume, and two described hydroeciums excessively are positioned at the two ends of described draw-in groove, and described intake chamber is communicated in two described hydroeciums of crossing.
4. a kind of pressure compensating emitter according to claim 3, is characterized in that, an end of described water dropper upper cover downside was provided with tank, and the described tank of crossing is communicated in a wherein described hydroecium of crossing.
5. a kind of pressure compensating emitter according to claim 4, is characterized in that, described water dropper upper cover downside also is provided with sawtooth shape flow passage, and described apopore is communicated with the described tank of crossing by described sawtooth shape flow passage.
6. a kind of pressure compensating emitter according to claim 5, it is characterized in that, described water dropper upper cover downside also is provided with the plenum chamber that is communicated in described sawtooth shape flow passage, be provided with the current stabilization platform in described plenum chamber, described apopore is located on described current stabilization platform, and described current stabilization platform is provided with the stable chute that is communicated in described apopore, described plenum chamber.
7. a kind of pressure compensating emitter according to claim 6, is characterized in that, described sawtooth shape flow passage, described plenum chamber region area of living in are less than or equal to the top surface area of described film.
8. a kind of pressure compensating emitter according to claim 7, is characterized in that, described water dropper upper cover upside also is provided with water-supplying chamber, is provided with boss in described water-supplying chamber, and described apopore is located on described boss.
9. a kind of pressure compensating emitter according to claim 8, is characterized in that, establishes in described water-supplying chamber and also be equipped with auxiliary punching station.
10. drip irrigation zone/pipe, comprise drip irrigation zone/tube body, it is characterized in that, is provided with the arbitrary described pressure compensating emitter of claim 1-9 on the sidewall of described drip irrigation zone/tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320286814 CN203264912U (en) | 2013-05-23 | 2013-05-23 | Pressure compensation type water dropper and drip irrigation tape or pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320286814 CN203264912U (en) | 2013-05-23 | 2013-05-23 | Pressure compensation type water dropper and drip irrigation tape or pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203264912U true CN203264912U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320286814 Expired - Lifetime CN203264912U (en) | 2013-05-23 | 2013-05-23 | Pressure compensation type water dropper and drip irrigation tape or pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203264912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174518A (en) * | 2013-05-23 | 2014-12-03 | 深圳市芭田生态工程股份有限公司 | Pressure compensation type emitter and drip irrigation belt/tube |
| CN105165553A (en) * | 2015-07-31 | 2015-12-23 | 大禹节水（天津）有限公司 | Irrigation emitter and drip irrigation belt/pipe thereof |
-
2013
- 2013-05-23 CN CN 201320286814 patent/CN203264912U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174518A (en) * | 2013-05-23 | 2014-12-03 | 深圳市芭田生态工程股份有限公司 | Pressure compensation type emitter and drip irrigation belt/tube |
| CN104174518B (en) * | 2013-05-23 | 2018-11-06 | 深圳市芭田生态工程股份有限公司 | A kind of pressure compensating emitter and drip irrigation zone/pipe |
| CN105165553A (en) * | 2015-07-31 | 2015-12-23 | 大禹节水（天津）有限公司 | Irrigation emitter and drip irrigation belt/pipe thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
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| CX01 | Expiry of patent term |