Water-saving sprinkling irrigation device

Abstract

The water-saving sprinkling irrigation device comprises a base table, a water supply vertical pipe is arranged on the base table, a first flow channel is formed in the water supply vertical pipe, and the first flow channel communicates with an external water supply end; a first mounting sleeve is arranged at the top of the water supply vertical pipe, a first mounting hole is formed in the middle of the first mounting sleeve, and a plurality of first nozzles communicating with the first flow channel are formed in the peripheral side of the first mounting hole; a first connecting pipe is mounted on the first mounting sleeve, a first diverging wheel disc is rotationally arranged on the first connecting pipe, and the first diverging wheel disc is located above the first nozzle. The first diverging wheel disc is driven to rotate through the acting force of water flow, the first diverging wheel disc diverges the water flow out, the effect of multi-area full-coverage water spraying irrigation is achieved, and therefore the water spraying uniformity in the whole spraying range can be guaranteed. The sprinkling irrigation device is simple in structure and has the function of uniformly sprinkling irrigation on the periphery, so that the effects of saving water and improving the irrigation efficiency are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of sprinkler irrigation, and in particular relates to a water-saving sprinkler irrigation device. Background Art

[0002] Irrigation is a technical measure to supplement the water needed by crops. In order to ensure the normal growth of crops and obtain high and stable yields, crops must be supplied with sufficient water. Under natural conditions, the water requirements of crops cannot be met due to insufficient precipitation or uneven distribution. Therefore, artificial irrigation must be carried out to make up for the lack of natural rainfall. With the rapid promotion and popularization of modern agricultural water-saving irrigation technology, sprinkler irrigation technology has been widely used. Sprinkler irrigation is called artificial rainfall. It is a process in which water flows through pipes, sprinklers and other mechanical equipment to spray pressurized water into the air, which is dispersed into water droplets and falls to the ground for irrigation.

[0003] Chinese patent document CN220693993U discloses a water-saving agricultural sprinkler device, including a main water pipe, a plurality of connecting collars are fixedly installed on the outer wall of the main water pipe, a connecting water pipe is movably connected to the connecting collar, a plurality of spray pipes are fixedly connected to the connecting water pipe, a cleaning assembly is movably installed on the upper end of the connecting water pipe, a water receiving tray is fixedly installed on the outer wall of the main water pipe below the spray pipe, and the inner diameter of the water receiving tray is not less than the length of the spray pipe, and a water collecting box is fixedly installed on the outer wall of the main water pipe on the side opposite to the connecting collar. This water-saving agricultural sprinkler device, by arranging a water receiving tray below the spray pipe, can collect dripping water when the spray hole on the spray pipe is blocked, so as to avoid the water that cannot be evenly sprayed at the end of the spray pipe from directly dripping onto the ground and causing waste, and can collect this part of water for reuse, so that the device is more water-saving when in use.

[0004] In the prior art, the sprinkler device draws water through multiple holes and grooves opened on the side of the sprinkler head to irrigate the surrounding land and plants. This irrigation method is simple, but the spray direction of the sprinkler head is fixed, so the direction of the water flow and the radiation range of the water flow are also relatively fixed. There are certain dead angles in the irrigation, which reduces the irrigation efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide a water-saving sprinkler device to solve the above-mentioned problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a water-saving sprinkler device, including a base platform, a water supply riser is provided on the base platform, a first flow channel is provided inside the water supply riser, and the first flow channel is connected to an external water supply end; a first mounting sleeve is provided on the top of the water supply riser, a first mounting hole is provided in the middle of the first mounting sleeve, and a plurality of first nozzles connected to the first flow channel are provided on the surrounding side of the first mounting hole; a first connecting pipe is installed on the first mounting sleeve, and a first diverging wheel is rotatably provided on the first connecting pipe, the first diverging wheel is located above the first nozzle, and the first diverging wheel is used to diverge the water sprayed from the first nozzle to irrigate the surrounding ground.

[0007] As an optional implementation of the above technical solution, a second flow channel connected to the first flow channel is provided inside the first connecting pipe, a second mounting sleeve is provided on the top of the first connecting pipe, a second mounting hole is provided in the middle of the second mounting sleeve, and a plurality of second nozzles connected to the second flow channel are provided around the second mounting hole; a second connecting pipe is installed on the second mounting sleeve, a second diverging wheel is rotatably provided on the second connecting pipe, the second diverging wheel is located above the second nozzle, and the second diverging wheel is used to diverge the water flow sprayed from the second nozzle to irrigate the surrounding ground; the rotation direction of the second diverging wheel is opposite to that of the first diverging wheel.

[0008] As an optional implementation of the above technical solution, the outer diameter of the second divergent wheel is greater than the outer diameter of the first divergent wheel.

[0009] As an optional implementation of the above technical solution, the first diverging wheel includes a first disc, a surface of the first disc facing the first nozzle is provided with a plurality of first spiral blades A, and a first guide groove A is provided between two adjacent first spiral blades A.

[0010] As an optional implementation of the above technical solution, a plurality of first spiral blades B are provided on a surface of the first disc facing the second divergent disc, and a first guide groove B is provided between two adjacent first spiral blades B.

[0011] As an optional implementation of the above technical solution, the spiral direction of the first spiral blade B is consistent with the spiral direction of the first spiral blade A.

[0012] As an optional implementation of the above technical solution, the second diverging wheel includes a second disc, a surface of the second disc facing the second nozzle is provided with a plurality of second spiral blades, and a second guide groove is provided between two adjacent second spiral blades.

[0013] As an optional implementation of the above technical solution, one end of the first connecting pipe extending into the first flow channel is provided with a first arc-shaped guide portion, and a plurality of connecting holes are opened on the first arc-shaped guide portion, and both ends of the connecting holes are respectively connected to the first flow channel and the second flow channel.

[0014] As an optional implementation of the above technical solution, the first mounting hole is provided with a first internal thread, and the surface of the first connecting pipe is provided with a first external thread adapted to the first internal thread.

[0015] As an optional implementation of the above technical solution, a second arc-shaped guide portion is provided at one end of the second connecting pipe extending into the second flow channel.

[0016] As an optional implementation of the above technical solution, the second mounting hole is provided with a second internal thread, and the surface of the second connecting pipe is provided with a second external thread adapted to the second internal thread.

[0017] As an optional implementation of the above technical solution, it also includes a driving pump, which is connected to the water supply riser through a pipeline, and the driving pump is electrically connected to a controller, and the controller is connected to a plurality of moisture content detection devices arranged radially along the base platform, and the moisture content detection devices are used to detect the moisture content of the soil to be irrigated, and the controller is used to adjust the power of the driving pump based on the moisture content of the soil to be irrigated, so as to spray the surrounding ground.

[0018] As an optional implementation of the above technical solution, a pressure detection device is provided on the water supply riser, and the pressure detection device is connected to the controller.

[0019] The beneficial effects of the present invention are:

[0020] The present invention relies on the force of water flow to drive the first diverging wheel to rotate, and the first diverging wheel diverges the water flow to achieve the effect of multi-area full coverage water spray irrigation, so that the uniformity of water spraying in the entire spraying range can be guaranteed. The present invention has a simple structure and has the function of uniform sprinkler irrigation in all directions, thereby achieving the effect of saving water and improving irrigation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of a water-saving sprinkler irrigation device in one embodiment of the present invention;

[0022] Figure 2 yes Figure 1 Enlarged view of part A in the middle;

[0023] Figure 3 is a schematic structural diagram of a first mounting sleeve in one embodiment of the present invention;

[0024] Figure 4is a schematic diagram of the three-dimensional structure of the first divergent wheel in one embodiment of the present invention;

[0025] Figure 5 is a schematic diagram of a top view of the structure of a first divergent wheel in one embodiment of the present invention;

[0026] Figure 6 It is a schematic structural diagram of the second installation sleeve in one embodiment of the present invention.

[0027] In the figure: 1-base platform; 2-water supply riser; 3-first mounting sleeve; 4-first mounting hole; 5-first nozzle; 6-first connecting pipe; 7-first diverging wheel; 8-second mounting sleeve; 9-second mounting hole; 10-second nozzle; 11-second connecting pipe; 12-second diverging wheel; 13-first disc; 14-first spiral blade A; 15-first spiral blade B; 16-first arc-shaped guide part; 17-connecting hole. DETAILED DESCRIPTION

[0028] Example 1

[0029] like Figure 1 As shown, this embodiment provides a water-saving sprinkler device, including a base platform 1, on which a water supply riser 2 is provided. The base platform 1 fixes the water supply riser 2 so that the water supply riser 2 remains in a vertical state. A first flow channel is provided inside the water supply riser 2, and the first flow channel is connected to an external water supply end. The water supply riser 2 is made of a hard material, usually stainless steel, which has a certain strength and can provide support and water supply functions.

[0030] like Figure 2 As shown, a first mounting sleeve 3 is provided at the top of the water supply riser 2, a first mounting hole 4 is provided in the middle of the first mounting sleeve 3, and a plurality of first nozzles 5 connected with the first flow channel are provided around the first mounting hole 4. The first mounting sleeve 3 is sleeved on the top of the water supply riser 2, and the first mounting sleeve 3 and the water supply riser 2 are usually connected by threads. A first mounting hole 4 is provided in the middle of the first mounting sleeve 3, and the first mounting hole 4 is used to fix the first connecting pipe 6. A plurality of first nozzles 5 are provided around the first mounting hole 4, and the plurality of first nozzles 5 are distributed in an annular shape, so as to eject an annular water flow. Preferably, the first mounting hole 4 is provided with a first internal thread, and the surface of the first connecting pipe 6 is provided with a first external thread adapted to the first internal thread.

[0031] The first connection pipe 6 is installed on the first installation sleeve 3. The first diverging wheel 7 is rotatably provided on the first connection pipe 6. The first diverging wheel 7 is located above the first nozzle 5. The first diverging wheel 7 is used to diverge the water flow sprayed by the first nozzle 5 to irrigate the surrounding ground. Multiple first nozzles 5 spray annular water flow toward the first diverging wheel 7. The first diverging wheel 7 rotates under the impact of the annular water flow. When the first diverging wheel 7 rotates, the water flow can be diverged to form an annular diverging water flow, thereby realizing the irrigation function of the ground around the base platform 1.

[0032] The present invention relies on the force of water flow to drive the first diverging wheel 7 to rotate, and the first diverging wheel 7 diverges the water flow to achieve the effect of multi-area full coverage water spray irrigation, so that the uniformity of water spraying in the entire spraying range can be guaranteed. The present invention has a simple structure and has the function of uniform sprinkler irrigation in all directions, thereby achieving the effect of saving water and improving irrigation efficiency.

[0033] Example 2

[0034] like Figure 1 As shown, this embodiment is optimized on the basis of embodiment 1. Specifically, a second flow channel connected to the first flow channel is provided inside the first connecting pipe 6, a second mounting sleeve 8 is provided at the top of the first connecting pipe 6, a second mounting hole 9 is provided in the middle of the second mounting sleeve 8, and a plurality of second nozzles 10 connected to the second flow channel are provided around the second mounting hole 9. The first connecting pipe 6 passes through the first diverging wheel 7, and the bottom end of the first connecting pipe 6 extends into the water supply riser 2 to achieve the connection between the first flow channel and the second flow channel.

[0035] like Figure 6 As shown, the second mounting sleeve 8 is sleeved on the top of the first connecting pipe 6, and the second mounting sleeve 8 and the first connecting pipe 6 are usually connected by threads. A second mounting hole 9 is set in the middle of the second mounting sleeve 8, and the second mounting hole 9 is used to fix the second connecting pipe 11. A plurality of second nozzles 10 are arranged around the second mounting hole 9, and the plurality of second nozzles 10 are distributed in an annular shape, so as to spray an annular water flow. Preferably, the second mounting hole 9 is provided with a second internal thread, and the surface of the second connecting pipe 11 is provided with a second external thread adapted to the second internal thread.

[0036] The second installation sleeve 8 is provided with a second connection pipe 11, on which a second diverging wheel 12 is rotatably provided. The second diverging wheel 12 is located above the second nozzle 10, and is used to diverge the water flow ejected by the second nozzle 10 to irrigate the surrounding ground. The rotation direction of the second diverging wheel 12 is opposite to that of the first diverging wheel 7. A plurality of second nozzles 10 eject annular water flow toward the second diverging wheel 12, and the second diverging wheel 12 rotates under the impact of the annular water flow. When the second diverging wheel 12 rotates, the water flow can be diverged to form an annular diverging water flow, thereby realizing the irrigation function of the ground around the base platform 1. Since the rotation direction of the second diverging wheel 12 is opposite to that of the first diverging wheel 7, the annular diverging water flow formed by the first diverging wheel 7 and the second diverging wheel 12 can achieve a better coverage effect and improve the uniformity of the sprinkler irrigation.

[0037] In order to increase the irrigation area, the outer diameter of the second diverging wheel disc 12 is larger than the outer diameter of the first diverging wheel disc 7. The second diverging wheel disc 12 is located above the first diverging wheel disc 7, and the outer diameter of the second diverging wheel disc 12 is larger than the outer diameter of the first diverging wheel disc 7, so the annular diverging water flow of the second diverging wheel disc 12 can cover a larger irrigation range.

[0038] like Figure 4 and Figure 5 As shown, specifically, the first diverging disc 7 includes a first disc 13, and a plurality of first spiral blades A14 are provided on a side surface of the first disc 13 facing the first nozzle 5, and a first guide groove A is provided between two adjacent first spiral blades A14. A plurality of first spiral blades B15 are provided on a side surface of the first disc 13 facing the second diverging disc 12, and a first guide groove B is provided between two adjacent first spiral blades B15. The water flow falling from the second diverging disc 12 to the first diverging disc 7 can be dispersed by the first spiral blades B15, so that the water can be fully utilized. Preferably, the spiral direction of the first spiral blade B15 is consistent with the spiral direction of the first spiral blade A14, which is conducive to balancing the axial force of the first disc 13 and improving the service life of the first diverging disc 7.

[0039] The second diverging wheel 12 comprises a second disc, a surface of the second disc facing the second nozzle 10 is provided with a plurality of second spiral blades, and a second guide groove is provided between two adjacent second spiral blades.

[0040] In order to reduce water pressure loss, the first connecting pipe 6 is provided with a first arc-shaped guide part 16 at one end extending into the first flow channel, and a plurality of connecting holes 17 are opened on the first arc-shaped guide part 16, and the two ends of the connecting holes 17 are respectively connected with the first flow channel and the second flow channel. A part of the water inside the water supply riser 2 is sprayed out from the first nozzle 5 after being guided by the first arc-shaped guide part 16, driving the first diverging disc 7 to rotate, and another part of the water inside the water supply riser 2 enters the second flow channel through the connecting holes 17, providing water for the second diverging disc 12. The second connecting pipe 11 is provided with a second arc-shaped guide part at one end extending into the second flow channel. Under the guidance of the second arc-shaped guide part, the water flow in the second flow channel is sprayed out from the second nozzle 10, driving the second diverging disc 12 to rotate.

[0041] Example 3

[0042] This embodiment is optimized on the basis of the embodiment 1. Specifically, the water-saving sprinkler irrigation device further comprises a driving pump, which is connected to the water supply riser 2 through a pipeline, and the driving pump is electrically connected to a controller, and the controller is connected to a plurality of water content detection devices arranged radially along the base platform 1, and the water content detection devices are used to detect the water content of the soil to be irrigated, and the controller is used to adjust the power of the driving pump based on the water content of the soil to be irrigated, so as to sprinkle the surrounding ground. The water supply riser 2 is provided with a pressure detection device, and the pressure detection device is connected to the controller.

[0043] In the process of irrigating the crops to be irrigated on the ground, the moisture content in the soil where the crops to be irrigated are located is detected by the moisture content detection device. The controller adjusts the power of the driving pump based on the moisture content of the soil to be irrigated, and the driving pump changes its speed, thereby adjusting the water pressure of the water supply riser 2, and then adjusting the spraying range of the first diverging wheel 7 and the second diverging wheel 12 to ensure that the moisture condition in the soil where the crops to be irrigated are located is in the best state, and can effectively save water and energy.

[0044] Example 4

[0045] like Figure 1-Figure 6 As shown, this embodiment provides a water-saving sprinkler device, including a base platform 1, on which a water supply riser 2 is provided. The base platform 1 fixes the water supply riser 2 so that the water supply riser 2 remains in a vertical state. A first flow channel is provided inside the water supply riser 2, and the first flow channel is connected to an external water supply end. The water supply riser 2 is made of a hard material, usually stainless steel, which has a certain strength and can provide support and water supply functions.

[0046] A first mounting sleeve 3 is provided at the top of the water supply riser 2, a first mounting hole 4 is provided in the middle of the first mounting sleeve 3, and a plurality of first nozzles 5 connected with the first flow channel are provided around the first mounting hole 4. The first mounting sleeve 3 is sleeved on the top of the water supply riser 2, and the first mounting sleeve 3 and the water supply riser 2 are usually connected by threads, a first mounting hole 4 is provided in the middle of the first mounting sleeve 3, the first mounting hole 4 is used to fix the first connecting pipe 6, and a plurality of first nozzles 5 are provided around the first mounting hole 4, and the plurality of first nozzles 5 are distributed in an annular shape, so as to eject an annular water flow. Preferably, the first mounting hole 4 is provided with a first internal thread, and the surface of the first connecting pipe 6 is provided with a first external thread adapted to the first internal thread.

[0047] A first connecting pipe 6 is installed on the first mounting sleeve 3. A first diverging wheel 7 is rotatably provided on the first connecting pipe 6. The first diverging wheel 7 is located above the first nozzle 5. The first diverging wheel 7 is used to diverge the water flow sprayed from the first nozzle 5 to irrigate the surrounding ground.

[0048] Multiple first nozzles 5 spray annular water flow toward the first diverging wheel 7. The first diverging wheel 7 rotates under the impact of the annular water flow. When the first diverging wheel 7 rotates, the water flow can be diverged to form an annular diverging water flow, thereby realizing the irrigation function of the ground around the base platform 1.

[0049] The present invention relies on the force of water flow to drive the first diverging wheel 7 to rotate, and the first diverging wheel 7 diverges the water flow to achieve the effect of multi-area full coverage water spray irrigation, so that the uniformity of water spraying in the entire spraying range can be guaranteed. The present invention has a simple structure and has the function of uniform sprinkler irrigation in all directions, thereby achieving the effect of saving water and improving irrigation efficiency.

[0050] In this embodiment, a second flow channel connected to the first flow channel is provided inside the first connecting pipe 6, a second mounting sleeve 8 is provided at the top of the first connecting pipe 6, a second mounting hole 9 is provided in the middle of the second mounting sleeve 8, and a plurality of second nozzles 10 connected to the second flow channel are provided around the second mounting hole 9. The first connecting pipe 6 passes through the first diverging wheel 7, and the bottom end of the first connecting pipe 6 extends into the water supply riser 2, so as to realize the connection between the first flow channel and the second flow channel.

[0051] The second mounting sleeve 8 is sleeved on the top of the first connecting pipe 6. The second mounting sleeve 8 and the first connecting pipe 6 are usually connected by threads. A second mounting hole 9 is arranged in the middle of the second mounting sleeve 8. The second mounting hole 9 is used to fix the second connecting pipe 11. A plurality of second nozzles 10 are arranged around the second mounting hole 9. The plurality of second nozzles 10 are distributed in an annular shape, thereby spraying an annular water flow. Preferably, the second mounting hole 9 is provided with a second internal thread, and the surface of the second connecting pipe 11 is provided with a second external thread adapted to the second internal thread.

[0052] The second installation sleeve 8 is provided with a second connection pipe 11, on which a second diverging wheel 12 is rotatably provided. The second diverging wheel 12 is located above the second nozzle 10, and is used to diverge the water flow ejected by the second nozzle 10 to irrigate the surrounding ground. The rotation direction of the second diverging wheel 12 is opposite to that of the first diverging wheel 7. A plurality of second nozzles 10 eject annular water flow toward the second diverging wheel 12, and the second diverging wheel 12 rotates under the impact of the annular water flow. When the second diverging wheel 12 rotates, the water flow can be diverged to form an annular diverging water flow, thereby realizing the irrigation function of the ground around the base platform 1. Since the rotation direction of the second diverging wheel 12 is opposite to that of the first diverging wheel 7, the annular diverging water flow formed by the first diverging wheel 7 and the second diverging wheel 12 can achieve a better coverage effect and improve the uniformity of the sprinkler irrigation.

[0053] In order to increase the irrigation area, the outer diameter of the second diverging wheel disc 12 is larger than the outer diameter of the first diverging wheel disc 7. The second diverging wheel disc 12 is located above the first diverging wheel disc 7, and the outer diameter of the second diverging wheel disc 12 is larger than the outer diameter of the first diverging wheel disc 7, so the annular diverging water flow of the second diverging wheel disc 12 can cover a larger irrigation range.

[0054] Specifically, the first diverging disc 7 includes a first disc 13, and a plurality of first spiral blades A14 are provided on a side surface of the first disc 13 facing the first nozzle 5, and a first guide groove A is provided between two adjacent first spiral blades A14. A plurality of first spiral blades B15 are provided on a side surface of the first disc 13 facing the second diverging disc 12, and a first guide groove B is provided between two adjacent first spiral blades B15. The water flow falling from the second diverging disc 12 to the first diverging disc 7 can be dispersed by the first spiral blades B15, so that the water can be fully utilized. Preferably, the spiral direction of the first spiral blade B15 is consistent with the spiral direction of the first spiral blade A14, which is conducive to balancing the axial force of the first disc 13 and improving the service life of the first diverging disc 7.

[0055] The second diverging wheel 12 comprises a second disc, a surface of the second disc facing the second nozzle 10 is provided with a plurality of second spiral blades, and a second guide groove is provided between two adjacent second spiral blades.

[0056] In order to reduce water pressure loss, the first connecting pipe 6 is provided with a first arc-shaped guide part 16 at one end extending into the first flow channel, and a plurality of connecting holes 17 are opened on the first arc-shaped guide part 16, and the two ends of the connecting holes 17 are respectively connected with the first flow channel and the second flow channel. A part of the water inside the water supply riser 2 is sprayed out from the first nozzle 5 after being guided by the first arc-shaped guide part 16, driving the first diverging disc 7 to rotate, and another part of the water inside the water supply riser 2 enters the second flow channel through the connecting holes 17, providing water for the second diverging disc 12. The second connecting pipe 11 is provided with a second arc-shaped guide part at one end extending into the second flow channel. Under the guidance of the second arc-shaped guide part, the water flow in the second flow channel is sprayed out from the second nozzle 10, driving the second diverging disc 12 to rotate.

[0057] In this embodiment, the water-saving sprinkler device further includes a driving pump, which is connected to the water supply riser 2 through a pipeline, and the driving pump is electrically connected to a controller, and the controller is connected to a plurality of moisture content detection devices arranged radially along the base platform 1, and the moisture content detection devices are used to detect the moisture content of the soil to be irrigated, and the controller is used to adjust the power of the driving pump based on the moisture content of the soil to be irrigated, so as to sprinkle the surrounding ground. The water supply riser 2 is provided with a pressure detection device, and the pressure detection device is connected to the controller.

[0058] In the process of irrigating the crops to be irrigated on the ground, the moisture content in the soil where the crops to be irrigated are located is detected by the moisture content detection device. The controller adjusts the power of the driving pump based on the moisture content of the soil to be irrigated, and the driving pump changes its speed, thereby adjusting the water pressure of the water supply riser 2, and then adjusting the spraying range of the first diverging wheel 7 and the second diverging wheel 12 to ensure that the moisture condition in the soil where the crops to be irrigated are located is in the best state, and can effectively save water and energy.

[0059] In the description of the present invention, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, and may be fixedly connected, detachably connected, or integrated; may be mechanically connected or electrically connected; may be directly connected or indirectly connected through an intermediate medium, may be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood. In addition, the specific features, structures, etc. described in the embodiments are included in at least one embodiment. Under the condition that there is no contradiction, those skilled in the art may combine the features of different embodiments. The protection scope of the present invention is not limited to the above-mentioned specific embodiments. According to the basic technical concept of the present invention, the embodiments that can be associated with by ordinary technicians in this field without creative work all belong to the protection scope of the present invention.

Claims

1. A water-saving sprinkler device, comprising a base platform (1), characterized in that: The base platform (1) is provided with a water supply riser (2), the water supply riser (2) having a first flow channel inside, the first flow channel being connected to an external water supply end; a first mounting sleeve (3) is provided at the top of the water supply riser (2), a first mounting hole (4) is provided in the middle of the first mounting sleeve (3), a plurality of first nozzles (5) connected to the first flow channel are provided around the first mounting hole (4); a first connecting pipe (6) is installed on the first mounting sleeve (3), a first diverging wheel (7) is rotatably provided on the first connecting pipe (6), the first diverging wheel (7) is located above the first nozzle (5), and the first diverging wheel (7) is used to diverge the water flow sprayed by the first nozzle (5) to irrigate the surrounding ground.

2. The water-saving sprinkler device according to claim 1, characterized in that: A second flow channel connected to the first flow channel is provided inside the first connecting pipe (6); a second mounting sleeve (8) is provided at the top of the first connecting pipe (6); a second mounting hole (9) is provided in the middle of the second mounting sleeve (8); and a plurality of second nozzles (10) connected to the second flow channel are provided around the second mounting hole (9); a second connecting pipe (11) is installed on the second mounting sleeve (8); a second diverging wheel (12) is rotatably provided on the second connecting pipe (11); the second diverging wheel (12) is located above the second nozzle (10); and the second diverging wheel (12) is used to diverge the water flow sprayed from the second nozzle (10) so as to irrigate the surrounding ground; the rotation direction of the second diverging wheel (12) is opposite to that of the first diverging wheel (7).

3. The water-saving sprinkler device according to claim 2, characterized in that: The outer diameter of the second diverging wheel (12) is greater than the outer diameter of the first diverging wheel (7).

4. The water-saving sprinkler device according to claim 2, characterized in that: The first diverging wheel (7) comprises a first disc (13), a surface of the first disc (13) on one side facing the first nozzle (5) is provided with a plurality of first spiral blades A (14), and a first guide groove A is provided between two adjacent first spiral blades A (14).

5. The water-saving sprinkler device according to claim 4, characterized in that: A plurality of first spiral blades B (15) are provided on a surface of one side of the first disc (13) facing the second diverging disc (12), and a first guide groove B is provided between two adjacent first spiral blades B (15).

6. The water-saving sprinkler device according to claim 5, characterized in that: The spiral direction of the first spiral blade B (15) is consistent with the spiral direction of the first spiral blade A (14).

7. The water-saving sprinkler device according to claim 2, characterized in that: The second diverging wheel (12) comprises a second disc, a surface of the second disc facing the second nozzle (10) is provided with a plurality of second spiral blades, and a second guide groove is provided between two adjacent second spiral blades.

8. The water-saving sprinkler device according to claim 2, characterized in that: A first arc-shaped guide portion (16) is provided at one end of the first connecting pipe (6) extending into the first flow channel, and a plurality of connecting holes (17) are provided on the first arc-shaped guide portion (16), and the two ends of the connecting holes (17) are respectively connected to the first flow channel and the second flow channel; the first mounting hole (4) is provided with a first internal thread, and the surface of the first connecting pipe (6) is provided with a first external thread adapted to the first internal thread.

9. The water-saving sprinkler device according to claim 8, characterized in that: A second arc-shaped flow guide portion is provided at one end of the second connecting pipe (11) extending into the second flow channel; the second mounting hole (9) is provided with a second internal thread, and the surface of the second connecting pipe (11) is provided with a second external thread matching the second internal thread.

10. The water-saving sprinkler device according to claim 1, characterized in that: It also includes a driving pump, which is connected to the water supply riser (2) through a pipeline, and the driving pump is electrically connected to a controller, and the controller is connected to a plurality of moisture content detection devices arranged along the radial direction of the base platform (1), and the moisture content detection devices are used to detect the moisture content of the soil to be irrigated. The controller is used to adjust the power of the driving pump based on the moisture content of the soil to be irrigated, so as to spray the surrounding ground; the water supply riser (2) is provided with a pressure detection device, and the pressure detection device is connected to the controller.

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