CN215277978U - Pulse type sprinkling irrigation spray head based on water hammer principle - Google Patents
Pulse type sprinkling irrigation spray head based on water hammer principle Download PDFInfo
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- CN215277978U CN215277978U CN202120803576.7U CN202120803576U CN215277978U CN 215277978 U CN215277978 U CN 215277978U CN 202120803576 U CN202120803576 U CN 202120803576U CN 215277978 U CN215277978 U CN 215277978U
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Abstract
The utility model discloses a pulsed sprinkling irrigation shower nozzle based on water hammer principle, including rubber, valve and shower nozzle main part. When the nozzle is not filled with water, the valve moves downwards to the bottom of the valve groove under the action of the elastic rubber. When the sprayer starts to work by water, strong water pressure enters the water hammer cavity to jack up the elastic rubber upwards, then the valve is driven to move upwards until the valve hole is opposite to the nozzle outlet cavity, high-pressure water flows into the nozzle outlet cavity through the valve hole, and high-pressure water flows out to be decompressed. Then the water pressure in the water hammer cavity is reduced, the elastic rubber falls back downwards under the action of the tension force, the valve moves downwards to the bottom of the valve groove under the action of the elastic rubber, and the valve blocks the passage to reciprocate, so that the pulse type spray irrigation based on the water hammer principle is realized. The utility model discloses utilize the water hammer principle to jet out the even continuous rivers of pressure with the mode of intermittent type formula high-pressure rivers, improved the range greatly, and simple structure, easily processing.
Description
Technical Field
The utility model relates to an agricultural sprinkling irrigation shower nozzle technical field especially relates to an impulse type sprinkling irrigation shower nozzle based on water hammer principle.
Background
The nozzle is one of the important components in the spray irrigation system, and the hydraulic performance of the nozzle directly influences the quality of the spray irrigation project. The existing spray nozzle equipment is relatively short in range, and when farmlands with the same area are irrigated, the number of required spray nozzles is large, so that the water consumption for sprinkling irrigation is increased, the irrigation uniformity is low, water resources are wasted, and the irrigation cost is increased. In order to make the jet range of the nozzle far, large flow and increased pressure are needed, the traditional irrigation nozzle design method only improves the nozzle inlet pressure and increases the water spray flow to achieve the irrigation effect, and greatly increases the consumption of water resources. Therefore, when the power of one spray nozzle is determined, the range is limited, and if the range is excessively pursued, the spray irrigation quality is reduced (the spray irrigation strength is high, raindrops are large and uneven). Therefore, the design and development of the spray head with long spray range and high spray irrigation quality has practical requirements and is an important subject in the innovation research of the spray head.
SUMMERY OF THE UTILITY MODEL
The utility model discloses main aim at provides a simple structure, and improve the pulsed sprinkling irrigation shower nozzle based on water hammer principle who irrigates efficiency greatly.
The utility model adopts the technical proposal that:
the pulse type sprinkling irrigation spray head based on the water hammer principle comprises elastic rubber, a valve and a spray head main body;
the nozzle body is provided with a valve slot, the lower part of the valve is clamped in the valve slot, the valve divides the interior of the nozzle body into two parts, wherein one side of the nozzle body is provided with a nozzle inlet cavity, the other side of the nozzle body is provided with a nozzle outlet cavity, and one side of the nozzle outlet cavity is also provided with an air hole communicated with the external atmosphere;
the elastic rubber is fixed on the top of the nozzle body and is adhered to the top of the valve; the elastic rubber drives the valve to move up and down under the action of water flow;
the valve is provided with a valve hole, when the valve is transported upwards to the limit position, the valve hole is superposed with the nozzle outlet cavity, and when the valve is transported downwards to the limit position, the valve hole is completely arranged in the valve groove.
According to the technical scheme, the edge of the elastic rubber is attached to the upper part of the sprayer body, and the edge is sealed to separate a water hammer cavity in the sprayer body from the outside.
According to the technical scheme, the size and the shape of the valve hole are the same as those of the nozzle outlet cavity.
According to the technical scheme, the diameters of the cavities of the nozzle inlet cavity and the nozzle outlet cavity are the same and are on the same straight line.
According to the technical scheme, a water storage cavity is further arranged on one side, in which the nozzle inlet cavity is arranged, of the nozzle main body and is communicated with the nozzle inlet cavity.
According to the technical scheme, the spray head main body is of an integrated structure.
According to the technical scheme, the valve is of a strip-shaped structure with a valve hole.
According to the technical scheme, the top of the valve is adhered to the middle of the elastic rubber.
According to the technical scheme, the length of the inlet cavity of the spray head is equal to that of the outlet cavity of the spray head.
According to the technical scheme, the length of the inlet cavity of the spray head is larger than that of the outlet cavity of the spray head.
The utility model also provides a pulsed sprinkling irrigation method based on water hammer principle, this method utilize above-mentioned technical scheme's pulsed sprinkling irrigation shower nozzle based on water hammer principle, include following step:
when the nozzle is not filled with water, the valve moves downwards to the bottom of the valve groove under the action of the elastic restoring force of the elastic rubber, and the valve hole in the middle of the valve also slides into the valve groove;
when the sprayer starts to work by water, the valve hole slides into the valve groove, water cannot enter the sprayer outlet cavity through the valve, the elastic rubber is jacked upwards by water pressure, the elastic rubber drives the valve to move upwards, the valve hole in the middle of the valve also moves upwards until the valve hole is communicated with the sprayer outlet cavity, and high-pressure water flows into the sprayer outlet cavity through the valve hole and jets out high-pressure water flow for pressure relief;
the water pressure in the water hammer cavity is reduced, the elastic rubber falls back downwards under the action of the restoring force, the valve moves downwards to the bottom of the valve groove, the valve hole in the middle of the valve slides into the valve groove, and the valve blocks the passage; external air is sucked into the nozzle outlet cavity through the air hole to push water flow to be ejected;
high-pressure water enters the water hammer cavity again to reciprocate, and pulse type spray irrigation based on the water hammer principle is realized.
The utility model discloses the beneficial effect who produces is: the utility model discloses utilize the water hammer principle, jet out the continuous rivers that pressure is average with the mode of intermittent type formula high-pressure rivers, improve the range greatly, spray radius improves greatly, when irrigating the farmland of the same area, has reduced the use number of shower nozzle, can reduce water supply pipe's diameter and pipeline density, increase shower nozzle pipeline interval promptly, reduced irrigation cost, improved agricultural water efficiency, the water economy resource makes irrigation efficiency improve to some extent. And the sprinkling irrigation sprinkler head of this patent simple structure, matching nature is higher between each part, convenient operation, and the practicality is stronger.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a semi-sectional view of an assembly structure of a pulse type sprinkler head based on the water hammer principle according to an embodiment of the present invention;
fig. 2 is a schematic view of the embodiment of the present invention when the valve of the pulse type sprinkler head moves upward based on the water hammer principle;
fig. 3 is a schematic view of the embodiment of the present invention when the valve (2) of the pulse type sprinkler head moves downward based on the water hammer principle;
fig. 4 is the embodiment of the present invention is a schematic diagram of a three-dimensional structure of a pulse type sprinkler head based on the water hammer principle.
In the figure:
1-an elastic rubber; 2-a valve; 3-a nozzle body;
a-a water hammer chamber; b-valve orifice; c-pores; d-a valve slot; e-a nozzle inlet chamber; f-nozzle outlet chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 and 4, the pulse type sprinkling irrigation nozzle based on the water hammer principle of the embodiment of the utility model comprises an elastic rubber 1, a valve 2 and a nozzle body 3;
the nozzle body 3 is provided with a valve slot d, the lower part of the valve 2 is clamped in the valve slot d, the valve 2 divides the interior of the nozzle body 3 into two parts, wherein one side of the nozzle body is provided with a nozzle inlet cavity e, the other side of the nozzle body is provided with a nozzle outlet cavity f, and one side of the nozzle outlet cavity f is also provided with an air hole c communicated with the external atmosphere;
the elastic rubber 1 is fixed on the top of the nozzle body 3 and is adhered to the top of the valve 2; the elastic rubber 1 drives the valve 2 to move up and down under the action of water flow;
the valve 2 is provided with a valve hole b, when the valve 2 is moved upwards to the limit position, the valve hole b is superposed with the nozzle outlet cavity f, and when the valve 2 is moved downwards to the limit position, the valve hole b is completely arranged in the valve groove d.
The embodiment of the utility model provides an in, the edge of elastic rubber 1 is attached to 2 upper portions of shower nozzle main part, and edge seal handles, separates the inside water hammer chamber an of shower nozzle main part 2 and outside mutually.
The valve hole b is the same size and shape as the nozzle outlet chamber f.
The diameters of the cavities of the nozzle inlet cavity e and the nozzle outlet cavity f are the same and are on the same straight line.
The air hole c is arranged at the lower part of the nozzle outlet cavity f of the nozzle main body 3 close to the valve 2 and communicated with the outside air.
As shown in fig. 1, a water hammer chamber a is provided in the head main body 3, and communicates with a head inlet chamber e.
The valve 2 is a strip structure provided with a valve hole b. It will be appreciated that the valve 2 may also be designed as a cylindrical structure.
The top of the valve 2 may be adhered to the middle of the elastic rubber 1 for uniform force.
In one embodiment of the present invention, the length of the nozzle inlet chamber e is equal to the length of the nozzle outlet chamber f. It will be appreciated that the nozzle inlet chamber e may also be designed to have a greater chamber length than the nozzle outlet chamber f.
The embodiment of the utility model provides an impulse type sprinkling irrigation method based on water hammer principle utilizes the impulse type sprinkling irrigation shower nozzle based on water hammer principle of above-mentioned embodiment, mainly includes following step:
when the nozzle is not filled with water, the valve 2 moves downwards to the bottom of the valve groove d under the action of the elastic restoring force of the elastic rubber 1, and the valve hole b in the middle of the valve 2 also slides into the valve groove d;
as shown in fig. 2, when the sprinkler starts to work with water, because the valve hole b slides into the valve groove d, water cannot enter the sprinkler outlet cavity f through the valve 2, the elastic rubber 1 is jacked up by the water pressure, the elastic rubber 1 drives the valve 2 to move upwards, and the valve hole b in the middle of the valve 2 also moves upwards until the valve hole b is communicated with the sprinkler outlet cavity f, and the high-pressure water flows into the sprinkler outlet cavity f through the valve hole b and jets out the high-pressure water flow for pressure relief;
as shown in fig. 3, the water pressure in the water hammer chamber a is reduced, the elastic rubber 1 falls back downwards under the action of the restoring force, the valve 2 moves downwards to the bottom of the valve groove d, the valve hole b in the middle of the valve 2 slides into the valve groove d, and the valve 2 blocks the passage; external air is sucked into the nozzle outlet cavity f through the air hole c to push water flow to be ejected; when the nozzle is not filled with water, the valve 2 moves downwards to the bottom of the valve groove d under the action of the elastic rubber 1, and the valve hole b in the middle of the valve 2 also slides into the valve groove d. When the sprayer starts to work by water, because the valve hole b slides to the valve groove d, water can not enter the sprayer outlet cavity f through the valve 2 and then jet out the sprayer, strong water pressure enters the water hammer cavity a to jack up the elastic rubber 1 upwards, then the valve 2 is driven to move upwards, the valve hole b in the middle of the valve 2 also moves upwards until the valve hole b is opposite to the sprayer outlet cavity f, and high-pressure water passes through the valve hole b to flow into the sprayer outlet cavity f and jet out high-pressure water flow for pressure relief. Then, the water pressure in the water hammer cavity a is reduced, the elastic rubber 1 falls back downwards under the action of the tension force, the valve 2 moves downwards to the bottom of the valve groove d under the action of the elastic rubber 1, the valve hole b in the middle of the valve 2 also slides into the valve groove d, and the valve 2 blocks the passage. The gas is sucked into the nozzle outlet chamber f through the gas hole c and pushes the water flow to be ejected.
Because the passage is blocked by the valve 2, strong water pressure enters the water hammer cavity a again to jack the elastic rubber 1 upwards, then the valve 2 is driven to move upwards, the valve hole b in the middle of the valve 2 also moves upwards again until the valve hole b is opposite to the nozzle outlet cavity f again, and high-pressure water passes through the valve hole b again to flow into the nozzle outlet cavity f and jet high-pressure water to release pressure, so that reciprocating is realized by the pulse type spray irrigation based on the water hammer principle.
To sum up, the utility model discloses utilize the water hammer principle, jet out the continuous rivers that pressure is average with the mode of intermittent type formula high-pressure rivers, improve the range greatly, spray radius improves greatly, when irrigating the farmland of the same area, has reduced the use number of shower nozzle, can reduce the diameter and the pipeline density of water supply pipe, increase shower nozzle pipeline interval promptly, has reduced irrigation cost, has improved agricultural water efficiency, the water economy resource makes irrigation efficiency improve to some extent, and simple structure, easily processing.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (9)
1. A pulse type sprinkling irrigation spray head based on a water hammer principle is characterized by comprising elastic rubber (1), a valve (2) and a spray head main body (3);
a valve groove (d) is formed in the sprayer body (3), the lower portion of the valve (2) is clamped in the valve groove (d), the valve (2) divides the interior of the sprayer body (3) into two parts, one side of the sprayer body is provided with a sprayer inlet cavity (e), the other side of the sprayer body is provided with a sprayer outlet cavity (f), and one side of the sprayer outlet cavity (f) is also provided with an air hole (c) communicated with the external atmosphere;
the elastic rubber (1) is fixed on the top of the nozzle main body (3) and is adhered to the top of the valve (2); the elastic rubber (1) drives the valve (2) to move up and down under the action of water flow;
the valve (2) is provided with a valve hole (b), when the valve (2) is moved upwards to the limit position, the valve hole (b) is superposed with the nozzle outlet cavity (f), and when the valve (2) is moved downwards to the limit position, the valve hole (b) is completely arranged in the valve groove (d).
2. A pulse type sprinkler head based on a water hammer principle according to claim 1, wherein an edge of the elastic rubber (1) is attached to an upper portion of the head body (3), and the edge is sealed to separate a water hammer chamber (a) inside the head body (3) from the outside.
3. A pulse sprinkler head based on the water hammer principle according to claim 1, characterized in that the valve opening (b) is the same size and shape as the nozzle outlet chamber (f).
4. A pulse type sprinkler head based on the water hammer principle according to claim 1, wherein the chamber bodies of the head inlet chamber (e) and the head outlet chamber (f) have the same diameter and are aligned in the same line.
5. A sprinkler head according to the water hammer principle, characterized in that the sprinkler body (3) is provided with a water hammer chamber (a) communicating with the sprinkler inlet chamber (e).
6. A pulse sprinkler head based on the water hammer principle according to claim 1, characterized in that the valve (2) is an elongated structure provided with a valve hole (b).
7. A pulse sprinkler head based on the water hammer principle according to claim 1, characterized in that the top of the valve (2) is glued in the middle of the elastic rubber (1).
8. A pulse sprinkler head based on the water hammer principle according to any one of claims 1-7, characterised in that the head inlet chamber (e) and the head outlet chamber (f) have the same chamber length.
9. A pulse sprinkler head based on the water hammer principle according to any one of claims 1-7, characterised in that the chamber length of the head inlet chamber (e) is greater than the chamber length of the head outlet chamber (f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120803576.7U CN215277978U (en) | 2021-04-20 | 2021-04-20 | Pulse type sprinkling irrigation spray head based on water hammer principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120803576.7U CN215277978U (en) | 2021-04-20 | 2021-04-20 | Pulse type sprinkling irrigation spray head based on water hammer principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215277978U true CN215277978U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120803576.7U Active CN215277978U (en) | 2021-04-20 | 2021-04-20 | Pulse type sprinkling irrigation spray head based on water hammer principle |
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| Country | Link |
|---|---|
| CN (1) | CN215277978U (en) |
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2021
- 2021-04-20 CN CN202120803576.7U patent/CN215277978U/en active Active
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