CN114467702B

CN114467702B - Drip irrigation device suitable for seasonal weather

Info

Publication number: CN114467702B
Application number: CN202210206711.9A
Authority: CN
Inventors: 邱实; 赵崇强; 黄旭升; 李石琳; 侯冉; 张金响
Original assignee: Jiangsu Huayuan Water Saving Co ltd
Current assignee: Jiangsu Huayuan Water Saving Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-10-28
Anticipated expiration: 2042-03-04
Also published as: CN114467702A; CN115362914A; CN115362914B; CN115581189A

Abstract

The invention relates to the technical field of agricultural drip irrigation, and discloses a drip irrigation device suitable for seasonal weather. According to the invention, through the designed drip opening, the reducing rod and the positioning valve core, when the water pressure of high-pressure water input in high-temperature weather is higher than a set value, the rotary pressure reduction channel opened under the pushing of the high-pressure water reaches the maximum, at the moment, the positioning valve core rotates, so that the piston also synchronously rotates, the positioning valve core and the piston are dislocated, the rotary distance of the rotary pressure reduction channel is reduced, the pressure reduction effect of the rotary pressure reduction channel on the high-pressure water is reduced, and the reducing rod rotates along with the positioning valve core at the same time, so that the space of the drip opening is increased, and the water yield of the drip opening is increased.

Description

Drip irrigation device suitable for seasonal weather

Technical Field

The invention relates to the technical field of agricultural drip irrigation, in particular to a drip irrigation device suitable for seasonal weather.

Background

Drip irrigation technique is comparatively advanced water-saving irrigation mode in the middle of the present agricultural irrigation, and it utilizes the plastic tubing to pass through the drill way or the water dropper on the capillary of diameter about 10mm with water, directly carries out local irrigation to crops root soil, has effectively reduced the evaporation of water when irrigating, concentrates on crops root region with the water resource simultaneously, avoids the transpiration waste that water resource diffusion leads to.

However, the existing drip irrigation device has small pore passages and is influenced by physical factors, biological factors or chemical factors, and the existing drip irrigation device cannot automatically adjust in time when facing different seasonal weather because impurities and minerals are incompletely filtered in irrigation water and are accumulated and precipitated, so that the orifice or a water dropper of the existing drip irrigation device is easily blocked, and the condition of irrigation failure is caused, and the operation of the whole irrigation system is influenced.

Disclosure of Invention

The invention provides a drip irrigation device suitable for seasonal weather, aiming at the defects of the existing drip irrigation device in the use process, the drip irrigation device has the advantages that high-pressure water pushes a piston to move to open a rotary depressurization channel for depressurization, the water pressure of the high-pressure water is directly adjusted to change the gap of the rotary depressurization channel opened by the piston, the piston can be moved to open an additional gap when the drip irrigation device is blocked, the high-pressure water can push a positioning valve core to rotate to adjust the gap angle when the piston is moved to the maximum degree and rotate to adjust the gap angle of the rotary depressurization channel, so that the rotation degree is reduced, the high-pressure water depressurization effect is reduced, impurities in a drip opening are loosened by synchronous rotation of a reducing rod, and the usable space of the drip opening is increased by synchronous rotation of the reducing rod, and the technical problems that the impurities are blocked and the drip irrigation device cannot be automatically adjusted when facing different weathers in the prior art are solved.

The invention provides the following technical scheme: the utility model provides a drip irrigation device suitable for seasonal weather, including driping irrigation the pipe, drip irrigation the intraductal hollow of having seted up, the water-clock has been seted up to the one end of driping irrigation the pipe, the activity groove of crisscross equipartition is seted up to the inner wall of hollow, the one end that the water-clock was kept away from to the hollow is equipped with a gyration passageway, activity inslot swing joint has the stopper, the inboard fixedly connected with location case of stopper, seted up the cavity in the case of location, the one end fixedly connected with spring II of cavity, the one end fixedly connected with piston rod of spring II, the one end protrusion location case and the fixedly connected with piston of piston rod are close to the one end center fixedly connected with reducing rod of the location case of water-clock.

Preferably, one end of the drip opening, which is communicated with the hollow core, is provided with a baffle occupying half of the area.

Preferably, the stopper occupies half of activity groove, the bottom fixedly connected with spring I of stopper, the other end of spring I and the bottom fixed connection in activity groove.

Preferably, one side of the positioning valve core is attached to the inner wall of the hollow core and sealed, and the area of the bottom of the positioning valve core is larger than that of the top of the positioning valve core.

Preferably, one side of the piston is attached to one side of the positioning valve core, and the piston close to the rotary channel is attached to one end of the rotary channel.

Preferably, the reducing rod is inserted into the drip port, the central line of the reducing rod coincides with the central line of the drip port, symmetrical flat plates are arranged at the positions, located in the drip port, of the reducing rod, two ends of each flat plate are attached to the inner wall of the drip port, and the flat plates are attached to one end, facing the hollow core, of each flat plate and the baffle.

The invention has the following beneficial effects:

1. according to the invention, through the designed positioning valve core, the pistons, the piston rods and the spring II, when high-pressure water with different water pressures in a drip irrigation system enters the drip irrigation pipe, the high-pressure water firstly acts on the pistons to push the pistons to open the closed space between the pistons and the positioning valve core, and when the drip irrigation pipe faces different water pressures, the opened gaps have different sizes, so that the energy of the high-pressure water not exceeding a pressure set value can be consumed, meanwhile, a rotary pressure reduction channel is formed after the pistons are opened, the high-pressure water flows in the rotary channel again to impact and consume the energy, so that the water pressure reaching a drip opening is reduced to a normal state, and the purpose of dripping water drops is achieved by matching with a small space channel of the drip opening, so that when the drip irrigation pipe faces rainy weather, the input water pressure is only reduced, and the dripping rate of the drip irrigation pipe can be reduced.

2. According to the invention, through the designed positioning valve core, the piston, the spring II, the limiting block and the spring I, when impurities in high-pressure water stay in the rotary channel to cause blockage, the water pressure in the water flow input direction is increased, so that the high-water pressure pushes the piston to displace again, the gap between the piston and the positioning valve core is increased, so that the high-pressure water can push the impurities to flow again, when the piston is displaced to the extent of completely leaving the positioning valve core and the rotary channel is still blocked, the increased water pressure pushes the positioning valve core to rotate, so that the impurities around the rotating positioning valve core are loosened under stress to fall off, the impurities are removed, and meanwhile, through the designed reducing rod, when the drip opening is blocked, the positioning valve core close to the drip opening rotates, so that the reducing rod synchronously rotates, the reducing rod extrudes the blocked impurities in the drip opening, and the space of the drip opening is enlarged, thereby achieving the effect of removing the impurities.

3. According to the invention, through the designed drip opening, the reducing rod and the positioning valve core, when the water pressure of high-pressure water input in high-temperature weather is higher than a set value, the rotary pressure reduction channel opened under the pushing of the high-pressure water reaches the maximum, at the moment, the positioning valve core rotates, so that the piston also synchronously rotates, the positioning valve core and the piston are dislocated, the rotary distance of the rotary pressure reduction channel is reduced, the pressure reduction effect of the rotary pressure reduction channel on the high-pressure water is reduced, and the reducing rod rotates along with the positioning valve core at the same time, so that the space of the drip opening is increased, and the water yield of the drip opening is increased.

Drawings

FIG. 1 is a schematic view of a drip irrigation tube structure according to the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a rotary channel structure according to the present invention;

FIG. 4 is a schematic view of a positioning valve cartridge according to the present invention;

fig. 5 is a schematic view of the structure of the movable trough of the present invention.

In the figure: 1. a drip irrigation pipe; 2. hollow core; 201. a movable groove; 202. a revolving channel; 3. a drip opening; 4. positioning the valve core; 5. a limiting block; 6. a spring I; 7. a spring II; 8. a piston rod; 9. a piston; 10. reducing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3 and 5, a drip irrigation device suitable for seasonal weather comprises a drip irrigation pipe 1, one end of the drip irrigation pipe 1 can be communicated with a water pipe, a hollow core 2 is arranged in the drip irrigation pipe 1, one end of the hollow core 2, which is far away from a drip opening 3, is provided with a rotary channel 202, so that high-pressure water can be subjected to preliminary depressurization after being introduced into the drip irrigation pipe 1 and then contacts a piston 9, thereby generating pressure difference, when the rotary depressurization channel close to the rotary channel 202 is blocked, the close piston 9 can still be displaced due to the change of the pressure difference, the problem that the pressure difference is too small when the piston 9 is close to a high-pressure water input end and cannot be displaced after being blocked cannot occur can be avoided, movable grooves 201 which are uniformly distributed in a staggered mode are formed in the inner wall of the hollow core 2, so that the close piston 9 and a positioning valve core 4 form a rotary depressurization channel of ninety degrees when the piston 9 is separated from the attached positioning valve core 4, one end of the drip irrigation pipe 1 is provided with the drip opening 3, one end of the drip irrigation pipe 3 is provided with one end provided with a baffle plate, and one end of the drip opening 3 communicated with the hollow core 2 is provided with one half of the baffle plate, so that the baffle plate can perform capillary action and perform capillary turning under normal conditions.

Referring to fig. 2 to 5, a limiting block 5 is movably connected in the movable groove 201, the limiting block 5 occupies half of the movable groove 201, so that the limiting block 5 can have enough movable space, a spring i 6 is fixedly connected to the bottom end of the limiting block 5, the other end of the spring i 6 is fixedly connected to the bottom end of the movable groove 201, the elasticity of the spring i 6 is gradually reduced from the direction from the rotary channel 202 to the drip opening 3, the specific elasticity is designed according to actual conditions, so that the high-pressure water which is pushed through the front piston 9 and the rotary pressure reduction channel to reduce the pressure can still push the rear positioning valve core 4 to rotate, when the rotary pressure reduction channel is blocked by impurities, the high-pressure water pushes the positioning valve core 4 to rotate towards the convex end, the spring i 6 is compressed, so that the positioning valve core 4 pushes the impurities in the hollow core 2 to move, and the shape of the opened gap is changed, make the water under high pressure flow once more and take away impurity, make the water under high pressure step down, the inboard fixedly connected with location case 4 of stopper 5, one side of location case 4 and the inner wall laminating of hollow 2 and sealed, avoid the unnecessary condition of leaking, the bottom area of location case 4 is greater than the area at top, make piston 9 when not completely separating with the location case 4 of laminating, still can open the space and make the water under high pressure flow through, piston 9 has limiting displacement to the location case this moment, when piston 9 breaks away from the location case 4 of laminating completely, when the water pressure of water under high pressure can promote location case 4 to take place the rotation this moment, the lifting surface area at location case 4 top is less, make location case 4 rotate to the direction of bottom, the area of having avoided location case 4 top and bottom is unchangeable and leads to unable emergence pivoted problem.

Referring to fig. 2 to 4, a cavity is formed in the positioning valve core 4, a spring ii 7 is fixedly connected to one end of the cavity, the elastic force of the spring ii 7 is gradually reduced from the rotary channel 202 to the direction of the drip port 3, the specific elastic force is designed according to actual conditions, so that high-pressure water pushed through the front piston 9 and the rotary depressurization channel to be depressurized can still push the rear piston 9 to be displaced, when impurities block the rotary depressurization channel, the water pressure in the input direction in the hollow core 2 is gradually increased to the water pressure in the water pipe, so that the high-pressure water pushes the piston 9 at the blocking position to be displaced again, gaps are enlarged, the blocked impurities are loosened, the high-pressure water flows and takes away the impurities, a piston rod 8 is fixedly connected to one end of the spring ii 7, one end of the piston rod 8 protrudes out of the positioning valve core 4 and is fixedly connected with the piston 9, one side of the piston 9 is attached to one side of the positioning valve core 4, when the input high-pressure water exceeds a set value, all the pistons 9 are completely dislocated with the attached positioning valve core 4, so that all the positioning valve cores 4 are rotated, a ninety-degree rotary gap opened between the piston 9 and the positioning valve core 4 is changed into a straight gap, so that the rotary channel is reduced, and the rotary channel is close to the rotary channel to reduce the rotary pressure reduction effect of the rotary channel, and the rotary channel, thereby reducing piston.

Referring to fig. 2 to 3, a reducing rod 10 is fixedly connected to the center of one end of a positioning valve core 4 close to a drip opening 3, the reducing rod 10 is inserted into the drip opening 3, the center line of the reducing rod coincides with the center line of the drip opening 3, symmetrical flat plates are arranged at the positions, located in the drip opening 3, of the reducing rod 10, two ends of each flat plate are attached to the inner wall of the drip opening 3, one end, facing a hollow core 2, of each flat plate is attached to a baffle, when the drip opening 3 is blocked, the positioning valve core 4 close to the drip opening 3 rotates under the pushing of high-pressure water, the reducing rods 10 rotate synchronously, the flat plates on the reducing rods 10 stir impurities in the drip opening 3, the impurities are loosened, and the reducing rods 10 rotate to open another separated space of the drip opening 3, so that the high-pressure water flows and takes away the loosened impurities.

The use method (working principle) of the invention is as follows:

firstly, connecting a drip irrigation pipe 1 with a water pipe, then, allowing high-pressure water to enter a hollow core 2 and flow through a rotary channel 202 for preliminary pressure reduction, then contacting a first piston 9, pushing the piston 9 to move towards a drip opening 3 by the high-pressure water, compressing a spring II 7, gradually changing the relative position of the piston 9 and a jointed positioning valve core 4, staggering the piston 9 and the jointed positioning valve core 4, opening a gap, still jointing the piston 9 with the protruded end of the positioning valve core 4, turning the high-pressure water through the gap, contacting the next piston 9, repeating the actions by the subsequent piston 9 and the spring II 7 to form a plurality of rotary pressure reduction channels, gradually reducing the water pressure of the high-pressure water, then, allowing the reduced-pressure water to enter the drip opening 3, dividing the drip opening 3 into two symmetrical spaces by a flat plate on a reducing rod 10, and allowing the low-pressure water to drip out from the space where the drip opening 3 is communicated with the hollow core 2;

then, when the impurities block the rotary pressure reducing channel, the water pressure in the input direction in the hollow core 2 is gradually increased to the water pressure in the water pipe, so that the piston 9 at the blocked position is pushed by high water pressure to displace again, a gap is enlarged, the blocked impurities are loosened, high pressure water flows and takes away the impurities, when the water pressure is reduced again, the compressed spring II 7 drives the piston 9 to reset through the piston rod 8, the opened gap is reduced again, when the input high pressure water pushes the piston 9 to be completely separated from the positioning valve core 4, the impurities block the rotary pressure reducing channel, the high pressure water pushes the positioning valve core 4 to rotate towards the protruding end, the spring I6 is compressed, the positioning valve core 4 pushes the impurities in the hollow core 2 to move, the shape of the opened gap is changed, the high pressure water flows again and takes away the impurities, the high pressure water is reduced, the spring I6 drives the positioning valve core 4 to reset, when the drop 3 is blocked, the positioning valve core 4 close to rotate under the pushing of the high pressure water, the positioning valve core 4 rotates synchronously, the reducing rod 10, the flat plate on the reducing rod 10 stirs the impurities in the drop 3, the other reducing rod is loosened, and the separated high pressure reducing space is loosened;

finally, in high temperature weather, when the high pressure water pressure of input exceeded the setting value, all pistons 9 misplaced with the location case 4 of laminating completely, make the high pressure water promote all location cases 4 to rotate, make the ninety degrees gyration space of opening between piston 9 and the location case 4, some space changes the straight-going space into, make the gyration degree of gyration step-down passageway reduce, the gyration step-down degree that makes the high pressure water receive reduces, the gyration step-down passageway reduces the decompression effect of high pressure water, and simultaneously, reducing rod 10 rotates in step, make the space grow that drip 3 and hollow 2 put through, make the water that the step-down degree is low flow out from drip 3 fast, when the rate of dripping of drip 3 needs to be reduced, it can to reduce the high pressure water pressure of input.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drip irrigation device suitable for seasonal weather, comprising a drip irrigation pipe (1), characterized in that: drip irrigation pipe (1) in offered hollow (2), drip irrigation pipe (1) one end has been seted up drip opening (3), activity groove (201) of crisscross equipartition are seted up to the inner wall of hollow (2), the one end that drip opening (3) were kept away from in hollow (2) is equipped with one gyration passageway (202), swing joint has stopper (5) in activity groove (201), stopper (5) occupy half of activity groove (201), the bottom fixedly connected with spring I (6) of stopper (5), the elasticity of spring I (6) reduces gradually in the direction of gyration passageway (202) to drip opening (3), the other end of spring I (6) and the bottom fixed connection of activity groove (201), the inboard fixedly connected with location case (4) of stopper (5), one side of location case (4) has laminated and sealed with the inner wall of hollow (2), the bottom area of location case (4) is greater than the area at top, the interior division of location case (4) has the cavity, the one end fixed spring II (7) of cavity, the one end fixed spring II (7) reduces gradually and piston rod (8) from gyration passageway (202), the piston rod II) is connected with the protruding piston rod (8) of piston rod (3), the one end of spring II) is connected with the bottom area of locating the protruding area of piston rod (7), the piston rod (8) and the piston rod (7) is connected with the bottom of locating case (7) gradually And the piston (9) is fixedly connected with a reducing rod (10) at the center of one end of the positioning valve core (4) close to the drip opening (3).

2. A drip irrigation device adapted for seasonal weather, according to claim 1, wherein: one end of the drip opening (3) communicated with the hollow core (2) is provided with a baffle occupying half of the area.

3. A drip irrigation device adapted for seasonal weather, according to claim 1, wherein: one side of the piston (9) is attached to one side of the positioning valve core (4), and the piston (9) close to the rotary channel (202) is attached to one end of the rotary channel (202).

4. A drip irrigation device adapted for seasonal weather conditions according to claim 1, wherein: reducing rod (10) insert in drip (3), and the central line coincidence of its central line and drip (3), the position that reducing rod (10) is located drip (3) is equipped with the flat board of symmetry, and the inner wall laminating of dull and stereotyped both ends and drip (3), the flat board is just laminating to the one end and the baffle of hollow (2).