CN206778738U - Pressure compensation shower nozzle - Google Patents
Pressure compensation shower nozzle Download PDFInfo
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- CN206778738U CN206778738U CN201720562966.3U CN201720562966U CN206778738U CN 206778738 U CN206778738 U CN 206778738U CN 201720562966 U CN201720562966 U CN 201720562966U CN 206778738 U CN206778738 U CN 206778738U
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- shower nozzle
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- pressure compensation
- boss
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Abstract
The utility model discloses a kind of pressure compensation shower nozzle, including shower nozzle and the pressure compensator that is threadedly coupled with shower nozzle, pressure compensator include valve body, centre strut and conduit, and the conduit conical surface and the gap of centre strut inverted pyramidal structures form adjustable runner.The utility model is adjusted by cooperation between adjustable runner, conduit and spring, delivery port is brought out water-carrying capacity stable, and spring is not contacted current, prevents that spring from getting rusty aging, extends pressure compensation shower nozzle service life；Further pressure compensator of the present utility model also includes steel ball and boss, and the tiltedly inlet opening produces rotary water current, drives steel ball to hit boss, and boss drives conduit and shower nozzle rotation, shower nozzle uniform fluid flow is sprayed surrounding；The utility model can realize pressure compensation and spinfunction simultaneously, simple in construction, greatly improve irrigation efficiency.The utility model is irrigated suitable for agricultural.
Description
Technical field
Field of agricultural technical equipment is the utility model is related to, is aided in for irrigating, specifically a kind of pressure compensation spray
Head.
Background technology
During agricultural and treegarden irrigation, shower nozzle water yield depends on the operating pressure that system provides, and pressure is bigger, goes out
Water is bigger, and range is more remote；Pressure is smaller, and water yield is smaller, and range is nearer.Shower nozzle on same branch pipe, first and last are intersegmental
Pressure differential can at this time cause first and last section shower nozzle water yield relative deviation 10% sometimes more than more than the 20% of system working pressure
More than, cause crop irrigation quantity uneven, cause duty spatial distribution uneven, so that crop yield is affected.
The Chinese invention patent application of Application No. 201410404697.9 discloses " a kind of pressure-compensated shower nozzle ", its
The structure of the pressure compensator of middle disclosure, there is valve body, lead, be set with piston, compression spring, the piston conical surface on lead
Adjustable runner is formed with the cavity conical surface；But its spring directly contacts current, easy corrosion and damage, influences shower nozzle service life；
In addition, the pressure compensator does not have spinfunction, its use value is influenceed.
Utility model content
To solve the above-mentioned problems in the prior art, the utility model aims to provide a kind of pressure compensation shower nozzle, energy
Enough solves the above mentioned problem present in prior art.
To achieve the above object, used technical scheme is as follows for the utility model：
A kind of pressure compensation shower nozzle, including shower nozzle and the pressure compensator that is threadedly coupled with shower nozzle, the pressure compensation
Device includes internal valve body, centre strut and conduit for hollow cavity；
The valve body lower portion is water inlet, and middle part is spin chamber；
The conduit longitudinal sectional drawing is inverse-T-shaped, supporting to be arranged in valve cavity, conduit lower annular ledge
For baffle plate, spin chamber is arranged at；Conduit cavity upper end is delivery port, and lower end is set for the conical surface；
The top of the centre strut is inverted pyramidal structures, and the gap between inverted pyramidal structures and the conduit conical surface forms adjustable
Runner, centre strut bottom are the location-plate for offering some tiltedly inlet openings, and the location-plate is fixedly connected with the valve body；
The conduit outer cover is provided with spring, and spring is arranged between conduit and valve body.
As restriction, the water inlet is connected with feed pipe, and water inlet is additionally provided with filter screen.
Limited as another kind, the baffle plate upper surface is provided with sealing gasket；
As the third restriction, the tiltedly inlet opening number is 4, and annular is uniformly distributed.
The utility model also has a kind of restriction, and the pressure compensator also includes steel ball and boss, and steel ball is arranged at rotation
Flow chamber, boss are fixedly connected on baffle plate lower surface.
The utility model as a result of above-mentioned structure, its compared with prior art, acquired technological progress is：
（1）The utility model is coordinated by valve inner adjustable runner, conduit and spring to be adjusted, and delivery port is brought out current
Amount is stable, and spring is not contacted current, prevents that spring from getting rusty aging, extends pressure compensation shower nozzle service life；
（2）The utility model is provided with oblique inlet opening, steel ball and boss, and oblique inlet opening produces rotary water current, drives steel ball
Boss is hit, boss drives conduit and shower nozzle rotation, shower nozzle uniform fluid flow is sprayed surrounding；
（3）The utility model can realize pressure compensation and spinfunction simultaneously, simple in construction, irrigation efficiency is carried significantly
It is high.
The utility model is irrigated suitable for agricultural.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.
In the accompanying drawings：
Fig. 1 is the pressure appropriate work structure diagram of the utility model embodiment.
In figure：1- shower nozzles, 4- delivery ports, 5- conduits, 52- baffle plates, 6- valve bodies, 7- springs, 8- sealing gaskets, 9- is adjustable stream
Road, 10- boss, 11- steel balls, 12- centre struts, the oblique inlet openings of 13-, 14- water inlets, 15- filter screens.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing.It is it should be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
A kind of pressure compensation ejecting device of embodiment
With reference to figure 1, the present embodiment includes shower nozzle 1 and pressure compensator.Pressure compensator is threadedly coupled with shower nozzle 1,
Including internal valve body 6, centre strut 12 and conduit 5 for hollow cavity；
The bottom of valve body 6 is water inlet 14, and middle part is spin chamber；
The longitudinal sectional drawing of conduit 5 is inverse-T-shaped, supporting to be arranged in the cavity of valve body 6, the lower annular ledge of conduit 5
For baffle plate 52, spin chamber is arranged at；The inner chamber upper end of conduit 5 is delivery port 4, and lower end is set for the conical surface；
The top of centre strut 12 is inverted pyramidal structures, and the gap between inverted pyramidal structures and the conical surface of conduit 5 forms adjustable
Runner 9, the bottom of centre strut 12 are the location-plate for offering some tiltedly inlet openings 13, and location-plate is fixedly connected with valve body 6；
The outer cover of conduit 5 is provided with spring 7, and spring 7 is arranged between conduit 5 and valve body 6.
Water inlet 14 is provided with internal thread, for being connected with feed pipe, is additionally provided with water inlet 14 for confessing
The filter screen 15 that the water of water pipe is filtered.
The upper surface of baffle plate 52 is provided with the sealing gasket 8 of annular；
Oblique inlet opening 13 number is 4, and annular is uniformly distributed.
Pressure compensator also includes steel ball 11 and boss 10, and steel ball 11 is arranged at spin chamber, and boss 10 is fixedly connected on
The lower surface of baffle plate 52.
Water inlet 14 connects feed pipe, and water enters valve body 6 by 4 oblique inlet openings 13, produces rotary water current, and water reaches one
Constant-pressure, baffle plate 52, which is pressurized, drives the upward compression spring 7 of conduit 5, and water, by entering conduit 5, passes through delivery port from adjustable runner 9
4 enter shower nozzle 1；Coordinated by valve inner adjustable runner 9, conduit 5 and spring 7 and adjusted, delivery port 4 is brought out water-carrying capacity steady
It is fixed；Rotary water current drives steel ball 11 to hit boss 10 simultaneously, and boss 10 drives conduit 5 and shower nozzle 1 to rotate, makes the current of shower nozzle 1 equal
It is even to spray to surrounding.
The present embodiment can realize pressure compensation and spinfunction simultaneously, simple in construction, greatly improve irrigation efficiency.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of the utility model claims protection.
Claims (8)
1. a kind of pressure compensation shower nozzle, including shower nozzle（1）With with shower nozzle（1）The pressure compensator of threaded connection, its feature exist
In：The pressure compensator includes the internal valve body for hollow cavity（6）, centre strut（12）And conduit（5）；
The valve body（6）Bottom is water inlet（14）, middle part is spin chamber；
The conduit（5）Longitudinal sectional drawing is supporting to be arranged at valve body to be inverse-T-shaped（6）In cavity, conduit（5）Lower annular is dashed forward
It is baffle plate to go out part（52）, it is arranged at spin chamber；Conduit（5）Inner chamber upper end is delivery port（4）, lower end is set for the conical surface；
The centre strut（12）Top be inverted pyramidal structures, inverted pyramidal structures and conduit（5）Gap between the conical surface is formed
Adjustable runner（9）, centre strut（12）Bottom is to offer some oblique inlet openings（13）Location-plate, the location-plate and valve body
（6）It is fixedly connected；
The conduit（5）Outer cover is provided with spring（7）, spring（7）It is arranged at conduit（5）And valve body（6）Between.
2. pressure compensation ejecting device according to claim 1, it is characterised in that：The water inlet（14）Connect with feed pipe
Connect, water inlet（14）Place is additionally provided with filter screen（15）.
3. pressure compensation ejecting device according to claim 1 or 2, it is characterised in that：The baffle plate（52）Upper surface is set
It is equipped with sealing gasket（8）.
4. pressure compensation shower nozzle according to claim 1 or 2, it is characterised in that：The oblique inlet opening（13）Number is 4
It is individual, and annular is uniformly distributed.
5. pressure compensation shower nozzle according to claim 3, it is characterised in that：The oblique inlet opening（13）Number is 4, and
Annular is uniformly distributed.
6. according to the pressure compensation shower nozzle any one of claim 1,2,5, it is characterised in that：The pressure compensator
Also include steel ball（11）And boss（10）, steel ball（11）It is arranged at spin chamber, boss（10）It is fixedly connected on baffle plate（52）Lower end
Face.
7. pressure compensation shower nozzle according to claim 3, it is characterised in that：The pressure compensator also includes steel ball
（11）And boss（10）, steel ball（11）It is arranged at spin chamber, boss（10）It is fixedly connected on baffle plate（52）Lower surface.
8. pressure compensation shower nozzle according to claim 4, it is characterised in that：The pressure compensator also includes steel ball
（11）And boss（10）, steel ball（11）It is arranged at spin chamber, boss（10）It is fixedly connected on baffle plate（52）Lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720562966.3U CN206778738U (en) | 2017-05-19 | 2017-05-19 | Pressure compensation shower nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720562966.3U CN206778738U (en) | 2017-05-19 | 2017-05-19 | Pressure compensation shower nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206778738U true CN206778738U (en) | 2017-12-22 |
Family
ID=60711763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720562966.3U Active CN206778738U (en) | 2017-05-19 | 2017-05-19 | Pressure compensation shower nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206778738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971154A (en) * | 2018-01-11 | 2018-05-01 | 河北省农林科学院 | A kind of nozzle adjustable |
-
2017
- 2017-05-19 CN CN201720562966.3U patent/CN206778738U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971154A (en) * | 2018-01-11 | 2018-05-01 | 河北省农林科学院 | A kind of nozzle adjustable |
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