CN114467702A

CN114467702A - Drip irrigation device suitable for seasonal weather

Info

Publication number: CN114467702A
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: 2022-05-13
Anticipated expiration: 2042-03-04
Also published as: CN114467702B; CN115362914B; CN115362914A; CN115581189B; 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 action of the high-pressure water is maximized, the positioning valve core rotates at the moment, so that the piston also synchronously rotates, the positioning valve core and the piston are staggered, 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 meanwhile, the reducing rod rotates along with the positioning valve core, 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 applicable to seasonal weather.

Background

Drip irrigation the technique and be comparatively advanced water-saving irrigation mode in the middle of the present agricultural irrigation, it utilizes the plastic tubing to pass through the drill way or the water dropper on the capillary of the about 10mm of diameter with water, directly carries out the 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 tiny pore passages and is influenced by physical factors, biological factors or chemical factors, the aggregation and precipitation of impurities and mineral substances which are not completely filtered in irrigation water cause the orifice or the water dropper to be easily blocked, so that the condition of irrigation failure is caused, and the operation of the whole irrigation system is influenced, which is an important problem to be solved by the existing drip irrigation device, meanwhile, the existing drip irrigation device cannot automatically adjust in time when facing different seasonal weather, and compared with the following rainy days, when the moisture demand of plants for drip irrigation is reduced or the moisture of drip irrigation is not needed, the drip irrigation device still drips water, so that the waste of water resources is caused, if the input of high-pressure water is closed, when facing rainy weather, the drip irrigation device does not drip water, so that the moisture absorption of the plants is insufficient, when facing high-temperature weather, the moisture required by the plants is increased, but the amount of water dripping of the drip irrigation device is still constant at this time, which makes the plants unable to obtain sufficient water.

Disclosure of Invention

Aiming at the defects of the prior drip irrigation device in the use process, the invention provides the drip irrigation device suitable for seasonal weather, which is provided with a rotary depressurization channel opened by pushing a piston to move by high-pressure water for depressurization, a rotary depressurization channel opened by the piston can be changed by directly adjusting the water pressure of the high-pressure water, the piston can move to open extra clearances when the drip irrigation device is blocked, and the piston still blocks when the piston moves to the maximum degree, the water under high pressure can promote location case rotation adjustment space angle, the location case rotates the space angle of adjusting gyration step-down passageway, makes the degree of gyration reduce, water under high pressure step-down effect reduces, reducing pole synchronous rotation makes the intraoral impurity of drip not hard up, reducing pole synchronous rotation makes the advantage of the usable space increase of drip, has solved and has proposed impurity jam among the above-mentioned background art, drip irrigation the technical problem that the device can't make automatic adjustment when facing different weather.

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. 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 piston is pushed to displace again by high water pressure, the gap between the piston and the positioning valve core is enlarged, the high-pressure water can push impurities to flow again, when the piston is displaced to the degree 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 impurities around the rotating positioning valve core are forced to loosen and fall off to complete the removal of the impurities, simultaneously through the reducing rod of design for when the drip takes place to block up, the location case that is close to the drip will take place to rotate, makes the reducing rod rotate in step, makes the reducing rod extrusion drip intraoral jam impurity, and the space of increase drip simultaneously reaches the effect of getting rid of impurity.

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 and cannot be displaced after the piston 9 is close to a high-pressure water input end is solved, the inner wall of the hollow core 2 is provided with movable grooves 201 uniformly distributed in a staggered manner, so that the close piston 9 and a positioning valve core 4 form a staggered arrangement, thereby forming a rotary depressurization channel with a ninety degree turn when the piston 9 is separated from the attached positioning valve core 4, drip irrigation pipe 1's one end is seted up the drip opening 3, and the one end of drip opening 3 and hollow 2 intercommunication is equipped with the baffle that occupies half area, makes under the normal condition, and the capillary action can be accomplished in 3 half spaces of drip opening and drip.

Referring to fig. 2 to 5, a stopper 5 is movably connected in the movable groove 201, the stopper 5 occupies half of the movable groove 201, so that the stopper 5 can have enough movable space, a spring i 6 is fixedly connected to the bottom end of the stopper 5, the other end of the spring i 6 is fixedly connected to the bottom end of the movable groove 201, the elastic force of the spring i 6 is gradually reduced from the direction of the rotary channel 202 to the drip 3, the specific elastic force is designed according to actual conditions, so that the high-pressure water pushed through the front piston 9 and the rotary depressurization channel to reduce the pressure can still push the rear positioning valve core 4 to rotate, when the rotary depressurization 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 compresses, the positioning valve core 4 pushes impurities in the hollow core 2 to move, the shape of the opened gap is changed, the high-pressure water flows and impurities are removed again, so that the high-pressure water reduces the pressure, 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 separating with the location case 4 of laminating completely, still can open the space and make the high pressure water 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 to rotate this moment, the area of atress 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 to lead to unable emergence pivoted problem.

Referring to fig. 2 to 4, a cavity is formed in the positioning valve core 4, one end of the cavity is fixedly connected with a spring ii 7, the elastic force of the spring ii 7 is gradually reduced from the rotary channel 202 to the direction of the drip 3, the specific elastic force is designed according to actual conditions, so that the 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, 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, one end of the spring ii 7 is fixedly connected with a piston rod 8, 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 pistons 9 misplace with the positioning valve core 4 of laminating completely, make all positioning valve cores 4 of high pressure water promotion rotate, make the ninety degrees gyration gaps opened between piston 9 and the positioning valve core 4, some gaps change into the space of going straight, make the gyration degree of gyration step-down passageway reduce, make the gyration step-down degree that the high pressure water received reduce, the gyration step-down passageway reduces the pressure reduction effect of high pressure water, the piston 9 that is close to gyration passageway 202 is laminated rather than one end, avoid leaking.

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, the drip irrigation pipe 1 is connected with the water delivery pipe, then, high-pressure water enters the hollow core 2 and flows through the rotary channel 202 for preliminary depressurization, then contacting the first piston 9, the high pressure water pushes the piston 9 to move towards the direction of the drip opening 3, the spring II 7 is compressed, the relative position of the piston 9 and the jointed positioning valve core 4 is gradually changed, the piston 9 and the jointed positioning valve core 4 are staggered, a gap is opened, at the moment, the piston 9 is still jointed with the protruded end of the positioning valve core 4, then, the high-pressure water turns through the gap and contacts the next piston 9, the subsequent pistons 9 and the springs II 7 repeat the actions to form a plurality of rotary pressure reduction channels, so that the water pressure of the high-pressure water is gradually reduced, then the water after pressure reduction enters the dropping opening 3, the flat plate on the reducing rod 10 divides the dropping opening 3 into two symmetrical spaces, and low-pressure water drops out from the space where the dropping opening 3 is communicated with the hollow core 2;

then, when the rotary pressure reducing channel is blocked by impurities, 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, and the impurities block the rotary pressure reducing channel, the high pressure water pushes the positioning valve core 4 to rotate towards the convex end, the spring I6 is compressed, so that 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 drip opening 3 is blocked, the positioning valve core 4 close to the drip opening 3 rotates under the pushing of high-pressure water, so that the reducing rod 10 synchronously rotates, the flat plate on the reducing rod 10 stirs impurities in the drip opening 3 to loosen the impurities, and the rotation of the reducing rod 10 opens another space separated by the drip opening 3 to enable the high-pressure water to flow and take away the loosened impurities;

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. Drip irrigation device adapted for seasonal weather, comprising a drip irrigation pipe (1), characterized in that: a hollow core (2) is arranged in the drip irrigation pipe (1), one end of the drip irrigation pipe (1) is provided with a drip opening (3), the inner wall of the hollow core (2) is provided with movable grooves (201) which are uniformly distributed in a staggered way, one end of the hollow core (2) far away from the drip opening (3) is provided with a rotary channel (202), a limiting block (5) is movably connected in the movable groove (201), the inner side of the limiting block (5) is fixedly connected with a positioning valve core (4), a cavity is arranged in the positioning valve core (4), one end of the cavity is fixedly connected with a spring II (7), one end of the spring II (7) is fixedly connected with a piston rod (8), one end of the piston rod (8) protrudes out of the positioning valve core (4) and is fixedly connected with a piston (9), and the center of one end of the positioning valve core (4) close to the drip opening (3) is fixedly connected with a reducing rod (10).

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: stopper (5) occupy the half of activity groove (201), the bottom fixedly connected with spring I (6) of stopper (5), the other end of spring I (6) and the bottom fixed connection in activity groove (201).

4. A drip irrigation device adapted for seasonal weather, according to claim 1, wherein: one side of the positioning valve core (4) is attached to the inner wall of the hollow core (2) and sealed, and the area of the bottom of the positioning valve core (4) is larger than that of the top of the positioning valve core.

5. 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.

6. A drip irrigation device adapted for seasonal weather, 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) are 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 with the baffle to the one end of hollow (2).