CN105165553B - A kind of douche and its drip irrigation zone/pipe - Google Patents
A kind of douche and its drip irrigation zone/pipe Download PDFInfo
- Publication number
- CN105165553B CN105165553B CN201510466595.4A CN201510466595A CN105165553B CN 105165553 B CN105165553 B CN 105165553B CN 201510466595 A CN201510466595 A CN 201510466595A CN 105165553 B CN105165553 B CN 105165553B
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- China
- Prior art keywords
- douche
- filter element
- filter
- base
- top cover
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Filtering Materials (AREA)
Abstract
The present invention provides a kind of douche, the douche includes top cover and base, water inlet is provided with the top cover, runner is provided with the base, at least one filter element is provided between the top cover and base, the material of the filter element is water swelling rubber, it is provided with the filter bores being engaged with the runner, the present invention introduces filter element inside douche, filter bores can make full use of the network structure that material itself expands and the formation of suffered squeezing action power stacks, ultimately form miniature well strainer, filtering accuracy increases substantially, filter pore size on filter element is close with the lattice dimensions size of common douche filter water window, do not limited by processing conditions and precision, processing technology is easy.
Description
Technical field
The invention belongs to agricultural irrigation equipment technical field, more particularly to a kind of douche and drip irrigation zone/pipe.
Background technology
Douche is the core component of drip irrigation system, and its material is typically polyethylene, and processing mode is injection moulding.Pour water
It is the last outpost of the tax office that whole drip irrigation system prevents from blocking that the structure of device, which is provided with filter water window, and filter water window is generally grid,
Its dimensional parameters design when it has been determined that produce and using when no longer change.During drip irrigation system service firing, stem
System can not filter thoroughly size and is intercepted more than the impurity of filter water window lattice dimensions, less than filter water window lattice dimensions
Impurity can still enter douche, the generation for the phenomenon that results in blockage.Douche can cause water distribution inequality, system once blocking
The problem of hydraulic performance decline, serious even causes whole system to paralyse.
And on the one hand the filter water window of douche is limited by Shooting Technique condition, the smaller more not easy-formation of its lattice dimensions；
On the other hand, too, impurity is attached to the water window blocking also easily caused on water window into water to lattice dimensions.If it is possible to make
The size for obtaining filter water window reduces, and does not cause the water window blocking into water, then the anti-stifled of douche can be greatly improved
Fill in performance.
The content of the invention
The present invention is for deficiency existing for douche in the prior art, there is provided a kind of douche, the douche have higher
Performance of anti-blockage, while its filter window variable dimension.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of douche, the douche include top cover and base, are provided with water inlet on the top cover, are set on the base
Runner is equipped with, at least one filter element is provided between the top cover and base, the material of the filter element is swollen to absorb water
Swollen rubber, it is provided with the filter bores being engaged with the runner.
As preferred embodiments of the present invention, the filter bores be sequentially communicated by a number of hole formed it is polygonal
Shape, angle number are 6-8, and the angle at each angle is 15-30 °.
As preferred embodiments of the present invention, do not penetrated between the starting hole and terminal hole of the hole.
As preferred embodiments of the present invention, the quantity of the filter element is 2-4 pieces, formation filter element group, adjacent two
The random superposition of filter bores on piece filter element.
As preferred embodiments of the present invention, the expansion rate of water absorption of the water swelling rubber is 40%-70%.
As preferred embodiments of the present invention, the both sides of the base are respectively arranged with inner flow passage and outer flow passage, positioned at described
The runner of filter element side is inner flow passage, and the runner away from the filter element side is outer flow passage, inner flow passage and outer flow passage
Between be connected by communicating passage.
As preferred embodiments of the present invention, the top cover is provided with the socket for being used for douche assembling, the filter element
The sets of holes for being used for douche assembling are provided with, the base is provided with the plug for being used for douche assembling.
Present invention simultaneously provides a kind of drip irrigation zone/pipe, and it includes any one above-mentioned douche, and the douche passes through heat
Molten adhesive method is bonded on the inwall of the drip irrigation zone/pipe.
The present invention has the advantages and positive effects of：
1st, the present invention introduces filter element inside douche, and filter element is prepared by water swelling rubber material,
The polygonal filter bores of design can make full use of the network structure that material itself expands and the formation of suffered squeezing action power stacks,
Miniature well strainer is ultimately formed, filtering accuracy increases substantially.
2nd, the filter pore size on filter element is close with the lattice dimensions size of common douche filter water window, is not added
Work condition and precision are limited, and processing technology is easy.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of douche；
Fig. 2 is the structural representation of top cover；
Fig. 3 is a kind of structural representation of base；
Fig. 4 is another structural representation of base；
Fig. 5 is the structural representation of filter bores.
In figure：1- top covers；2- filter elements；3- bases；4- filter bores；5- inner flow passages；6- outer flow passages；101- sockets；
102- water inlets；201- sets of holes；301- plugs；302- communicating passages；401- originates hole；402- terminal holes.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The specific embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
Fig. 1 is refer to, Fig. 1 is a kind of preferred embodiment of the present invention, and the douche includes top cover 1, base 3, top
Water inlet 102 is provided with lid 1, runner is provided with base 3, filter element group is provided between top cover 1 and base 3, the reality
Apply in example, filter element group includes 3 pieces of filter elements 2, the shape and the shape phase of top cover 1 and base 3 of the filter element 2
Match somebody with somebody, a number of filter bores 4 are provided with each filter element 2, the material of filter element 2 is water swelling rubber
(WSR), expansion rate of water absorption 40%-70%.
Filter element 2 is first pressed clockwise or counterclockwise, with random angle when processing on bulk water swelling rubber
Degree processes filter bores, and then basis is actually needed the size for cutting out filter element 2.Some superpositions of filter element 2 were formed
When filtering element group, it can ensure that the filter bores 4 on adjacent filter elements 2 are random and be overlapping together.
Filter bores 4 are to be sequentially communicated the polygonal formed by a number of hole, and that shown in Fig. 5 is the one of filter bores 4
Kind embodiment, its polygonal filter bores formed include 7 angles, and the angle at each angle is 30 °.Dash area institute in figure
The net shape of filter bores 4 is shown as, each hole is respectively provided with one fixed width, and each bar hole head and the tail connect, and form polygonal hollow out
Shape.
In a preferred embodiment, originate hole 401 and the head and the tail of terminal hole 402 do not connect.
The douche is SMD for interior edge, and it is bonded in into hollow billet inwall by hot melting cohesion technique during use, should
The course of work of douche is：
Start drip irrigation system, irrigation water enters in drip irrigation pipe, contacted by the water inlet of top cover with filter element, crosses filtering element
Part is made up of water swelling rubber (WSR), and when WSR contacts with water, hydrone can pass through the things such as diffusion, capillary and adsorption
Reason effect enters in WSR, and then forms extremely strong affinity with the hydroaropic substance (group) in rubber, and hydroaropic substance is continuous
Water suction, causes rubber to deform upon, and when anti-deformation force and permeable pressure head reach balance, keeps relative stability, works as filter element
It is brought into close contact during group water swelling with top cover, base inner wall, plays the effect of sealing, while filter element obtains douche inwall
And the reaction force resistance to deformation that mutually provides of each element and inwardly extrude, the polygonal filter bores on such filter element are in material
Expect itself expansion and mutually deformed under squeezing action, pore shape and size change, and size is greatly lowered, shape
It is changed into layer after layer gap, such filter element becomes miniature well strainer, plays a part of end-filtration.Cause
This, on the one hand because filtering organic matter, inorganic matter, the impurity such as microorganism (such as algae, bacterium) not thorough and enter in drip irrigation pipe
It can be increased substantially by the size requirement of end-filtration element, the possibility that results in blockage accordingly declines；On the other hand, when by
Long-term use of in system, the intrapore impurity of filtering for being attached to filter element group gradually increases, and causes to filter hole plug, when stifled
The filtering hole of plug is more and more or even completely plugged, is reduced by filtering hole by the water of douche to no longer water outlet.Now
Filter element group release water (after such as douche places certain time), deformation retraction, pore-size increase, pressure water rush impurity
Brush outflow douche, douche recover normal work.
In a kind of more preferred embodiment, in order to facilitate the assembling of douche each several part, it is provided with top cover 1
Socket 101, the sets of holes 201 to match with socket are set on filter element 2, are provided with and socket 101 and sets of holes 201 on base 3
The plug 301 being engaged, three is plugged in together.
In a kind of more preferred embodiment, the runner on base 3 is divided into inner flow passage and outer flow passage, close to cross filtering element
The side of part 4 for inner flow passage 5, be outer flow passage 6 positioned at inner flow passage opposite side, connected by a communicating passage 302 therebetween.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the present patent application scope and improvement
Deng, all should still belong to the present invention patent covering scope within.
Claims (6)
- A kind of 1. douche, it is characterised in that：The douche includes top cover and base, is provided with water inlet on the top cover, institute State and runner is provided with base, at least one filter element, the material of the filter element are provided between the top cover and base Matter is water swelling rubber, and its expansion rate of water absorption is 40%-70%, is additionally provided with the filtering being engaged with the runner thereon Hole, the quantity of the filter element is 2-4 pieces, formation filter element group, and the filter bores on adjacent two panels filter element are random Superposition.
- 2. douche according to claim 1, it is characterised in that：The filter bores are connected successively by a number of hole The logical polygonal formed, angle number are 6-8, and the angle at each angle is 15-30 °.
- 3. douche according to claim 2, it is characterised in that：Between the starting hole and terminal hole of the hole not Insertion.
- 4. according to the douche described in claim 1 or 2 or 3, it is characterised in that：The both sides of the base are respectively arranged with interior stream Road and outer flow passage, the runner positioned at the filter element side are inner flow passage, and the runner away from the filter element side is outer Runner, it is connected between inner flow passage and outer flow passage by communicating passage.
- 5. douche according to claim 4, it is characterised in that：The top cover, which is provided with, is used for inserting for douche assembling Mouthful, the filter element is provided with the sets of holes for being used for douche assembling, and the base is provided with the plug for being used for douche assembling.
- A kind of 6. drip irrigation zone/pipe：It is characterized in that：Including any described douches of claim 1-5, the douche passes through Hot melting cohesion method is bonded on the inwall of the drip irrigation zone/pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466595.4A CN105165553B (en) | 2015-07-31 | 2015-07-31 | A kind of douche and its drip irrigation zone/pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466595.4A CN105165553B (en) | 2015-07-31 | 2015-07-31 | A kind of douche and its drip irrigation zone/pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105165553A CN105165553A (en) | 2015-12-23 |
| CN105165553B true CN105165553B (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510466595.4A Active CN105165553B (en) | 2015-07-31 | 2015-07-31 | A kind of douche and its drip irrigation zone/pipe |
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| Country | Link |
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| CN (1) | CN105165553B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952631B (en) * | 2016-06-24 | 2017-12-12 | 无锡海升高压泵有限公司 | Hydraulic pressure regulation type high-pressure pump valve seat |
| CN108293852A (en) * | 2018-01-29 | 2018-07-20 | 湖南湘讯企业管理有限公司 | A kind of block-resistant type mixing irrigation spray equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266999C (en) * | 2004-05-25 | 2006-08-02 | 华中科技大学 | Pre-suck and anti-block irragator |
| CN201728165U (en) * | 2010-01-22 | 2011-02-02 | 甘肃大禹节水股份有限公司 | Double-sided runner dropper |
| CN102430488B (en) * | 2011-09-15 | 2013-07-31 | 中国农业大学 | Sheet irrigator for flood diversion and drip irrigation |
| CN202524845U (en) * | 2012-02-13 | 2012-11-14 | 甘肃大禹节水集团股份有限公司 | Pressure-compensated dripper for subsurface drip irrigation |
| CN102742489B (en) * | 2012-04-23 | 2014-02-19 | 深圳市鑫康沃科技开发有限公司 | Seeping micro-irrigation container and preparation method thereof |
| CN202802861U (en) * | 2012-08-07 | 2013-03-20 | 美的集团股份有限公司 | Water filter |
| CN203264912U (en) * | 2013-05-23 | 2013-11-06 | 深圳市芭田生态工程股份有限公司 | Pressure compensation type water dropper and drip irrigation tape or pipe |
| CN104623953B (en) * | 2015-03-06 | 2016-04-27 | 张凡 | A kind of laminated filter |
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2015
- 2015-07-31 CN CN201510466595.4A patent/CN105165553B/en active Active
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| CN105165553A (en) | 2015-12-23 |
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