Spraying and drip irrigation dual-purpose head

Abstract

The utility model discloses a spraying and drip irrigation dual-purpose head which comprises a drip irrigation body, the drip irrigation body is installed on an irrigation pipeline, and the irrigation pipeline is externally connected with a pressurizing device. The drip irrigation body is of a hollow structure, one end of the drip irrigation body is provided with an opening communicated with an irrigation pipeline, and the other end is provided with a channel opening. A mounting plate is movably mounted in the drip irrigation main body, an overflow hole is formed in the mounting plate, and when the mounting plate is in the initial position, liquid entering the opening can only flow to the channel opening through the overflow hole; the drip irrigation main body is provided with an overflowing area, and when the mounting plate moves into the overflowing area, the overflowing area of the area where the mounting plate is located is increased; a reset piece for limiting the initial position of the mounting plate is arranged on the mounting plate; a spraying guide plate for guiding the spraying direction of liquid is arranged on the drip irrigation main body; through the arrangement of the inner structure of the drip irrigation main body and the pressurizing device, two irrigation modes of spraying and drip irrigation are realized, and the irrigation efficiency and the water resource utilization rate are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural irrigation equipment accessories technology especially is related to a sprinkling and drip irrigation dual -purpose head. BACKGROUND

[0002] In the traditional agricultural irrigation mode, sprinkling irrigation and drip irrigation are two common irrigation modes. Sprinkling irrigation is suitable for large-area rapid water replenishment, while drip irrigation is more suitable for precise irrigation and reduces water resource waste. However, the irrigation head in the prior art is often single-function, which is difficult to meet diversified irrigation demands. Meanwhile, in actual farmland operation, especially when soil is ploughed by machinery, splashing soil particles and various impurities are inevitably produced. These splashing materials are easily directly impacted and attached to the dripper or drip pipe hole of the drip irrigation pipe due to their momentum and the viscosity of the wet soil, the irrigation head is prone to blockage, which affects the irrigation efficiency and crop growth. Therefore, it is particularly important to develop an irrigation device which can realize flexible switching between sprinkling and drip irrigation and effectively prevent blockage. SUMMARY

[0003] The utility model discloses in order to overcome the insufficient of prior art, provide a sprinkling and drip irrigation dual -purpose head, integrated sprinkling and drip irrigation two irrigation modes, and effectively solved the blockage problem under drip irrigation mode, improved irrigation efficiency and water resource utilization rate.

[0004] In order to realize the above object, the utility model adopts the following technical scheme: a sprinkling and drip irrigation dual -purpose head, including drip irrigation main part, the drip irrigation main part is installed on irrigation pipeline, the irrigation pipeline is connected with pressurizing device;The drip irrigation main part is hollow structure, its one end is equipped with the opening for communicating with irrigation pipeline, and the other end is provided with passageway mouth;The installation plate is movably installed in the drip irrigation main part, the installation plate is equipped with overflow hole, when installation plate is in initial position, liquid into the opening can only flow to passageway mouth through overflow hole;The drip irrigation main part is equipped with overflow area, when installation plate moves to overflow area, the overflow area of installation plate area increases;The installation plate is equipped with reset piece for limiting its initial position, the drip irrigation main part is equipped with the injection guide plate for guiding liquid injection;Through the structure in the drip irrigation main part and the setting of pressurizing device, the flux of liquid can be limited under the condition of limited hydraulic pressure, and the drip irrigation effect is formed;When hydraulic pressure reaches certain threshold value, the installation plate moves by extrusion, and when the installation plate moves to overflow area, the flux increases, and the dispersion injection effect is formed by the guidance of injection guide plate, so that sprinkling and drip irrigation two irrigation modes are realized, and the irrigation efficiency and water resource utilization rate are improved.

[0005] Preferably, the reset piece is a spring, one end of which abuts against the installation plate, and the other end abuts against the bottom end of the inner wall of the drip irrigation main body, so as to limit the movement position of the installation plate while ensuring the working reset of the installation plate.

[0006] Preferably, a gap groove is formed on the inner wall of the drip irrigation body, and the gap groove is located in the flow area, so that a flow gap is formed between the installation plate and the drip irrigation body when the installation plate moves to the flow area.

[0007] Preferably, the installation plate is slidably connected in the drip irrigation body and can move relatively under the guidance of the inner wall of the drip irrigation body.

[0008] Preferably, a stopper is arranged in the drip irrigation body to limit the movement of the installation plate to a limit position, the stopper moves with the installation plate, and when the installation plate moves to a certain position in the flow area, the stopper interferes with and is pressed by a certain area of the inner wall of the drip irrigation body, so as to limit the movement of the installation plate and prevent the installation plate from exceeding the stroke, so that no gap is formed between the installation plate and the drip irrigation body, and the structure is prevented from failing.

[0009] Preferably, an arc chamfer is arranged at the edge of the end of the installation plate away from the flow area, so as to facilitate the reverse return of the installation plate.

[0010] Preferably, an external thread is arranged on the drip irrigation body, an internal thread hole is formed on the irrigation pipeline, the drip irrigation body is connected with the irrigation body in a threaded manner, and the drip irrigation body and the irrigation body are connected in a detachable structure, so that the irrigation pipeline can be easily disassembled and maintained, and the problem of blockage in the drip irrigation mode is effectively solved.

[0011] Preferably, a stop table is fixed to the outer wall of the drip irrigation body, and one end of the stop table abuts against the outer wall of the irrigation pipeline.

[0012] Preferably, a regular hexagonal table is arranged on the outer wall of the drip irrigation body.

[0013] Preferably, the injection guide plate is an arc-shaped baffle arranged on the channel opening, a plurality of blocking holes are formed in the arc-shaped baffle, and the blocking holes are arranged to be dispersed outward from the center of the arc-shaped baffle.

[0014] The technical effects of the utility model are as follows: through the arrangement of the structure in the drip irrigation body and the pressurizing device, the flux of the liquid can be limited under the condition of limited hydraulic pressure, the drip irrigation effect is formed, when the hydraulic pressure reaches a certain threshold value, the installation plate is pressed to move, the flux is increased when the installation plate moves to the flow area, the dispersed injection effect is formed by cooperating with the injection guide plate, the spraying and drip irrigation irrigation modes are realized, and the irrigation efficiency and water resource utilization rate are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] Figure 2 It is a top view of the utility model in the installed state.

[0017] Figure 3 For Figure 2 A-A is a cross-sectional view.

[0018] The main technical features in the figure are: 1, drip irrigation body; 11, irrigation pipeline; 12, opening; 13, passage; 14, external thread; 15, regular hexagonal platform; 16, drip irrigation part; 17, circular arc surface; 2, mounting rod; 21, baffle; 22, blocking hole; 23, mounting plate; 24, overflow hole; 25, circular arc chamfer; 26, spring; 3, overflow area; 31, gap groove; 4, stopper. DETAILED DESCRIPTION

[0019] The utility model will be further described below through specific embodiments and drawings.

[0020] As Figures 1-3 A spray and drip irrigation dual-purpose head, including drip irrigation body 1, the drip irrigation body 1 is fixedly installed on irrigation pipeline 11, the irrigation pipeline 11 is connected with pressurizing device, the pressurizing device is prior art, can be the commonly used pressurizing pump.

[0021] Specifically, the drip irrigation body 1 is the structure of hollow shell, its top end is equipped with the opening 12 for communicating with irrigation pipeline 11, and the bottom end is provided with passage 13; the top end outer wall of the drip irrigation body 1 is equipped with external thread 14, the external thread 14 can be the thread that is integrally formed on the drip irrigation body 1 directly, also can be the thread of the standard metal piece embedded on the drip irrigation body 1 during production; the irrigation pipeline 11 is the pipe line arranged section by section, and the pipe between the pipe section is connected by internal thread tee, and the drip irrigation body 1 can be connected with internal thread tee thread cooperation.

[0022] Further, the regular hexagonal platform 15 is arranged on the middle part outer wall of the drip irrigation body 1, the regular hexagonal platform 15 can be turned by spanner cooperation, the dismounting of the drip irrigation body 1 is realized, and when the regular hexagonal platform 15 is installed, one end face will abut on the mouth part end face of the internal thread tee.

[0023] Further, the drip irrigation part 16 is arranged on the end of the drip irrigation body 1 away from the irrigation pipeline 11, the drip irrigation part 16 is the arc cover structure, the circular arc chamfer 25 is formed with the circular arc surface 17 on the outer wall, and the passage 13 is arranged in the bottom center.

[0024] Further, the mounting rod 2 is arranged in the passage 13, and the gap for liquid passing is arranged between the mounting rod and the passage.

[0025] Further, one end of the mounting rod 2 is provided outside the passage opening 13, and a baffle 21 is integrally fixed on the end. The baffle 21 is in an arc structure, and the bending direction of the arc is towards the passage hole. The baffle 21 is arranged on the passage opening 13, and a plurality of blocking holes 22 are formed on the baffle 21. The opening of the blocking hole 22 is tangentially arranged with the end surface and the arc surface of the arc-shaped baffle 21, that is, the blocking hole 22 is arranged to be dispersed outward from the center of the arc-shaped baffle 21.

[0026] Further, the baffle 21 is a hard baffle 21 to avoid deformation under water pressure impact. The outer wall of the drip irrigation part 16 and the inner wall of the baffle 21 are in abutting contact. The outer edge of the inner wall of the baffle 21 is pressed on the arc surface 17 of the drip irrigation part 16. The outer wall of the drip irrigation part 16 and the inner wall of the baffle 21 form a closed area.

[0027] Further, one end of the mounting rod 2 is inserted into the drip irrigation body 1, and a mounting plate 23 is fixed on the end. The mounting plate 23 is made of hard rubber material. The mounting rod 2 and the mounting plate 23 are in interference fit or threaded fit. The mounting plate 23 and the inner wall of the drip irrigation body 1 are in sliding fit, and can move relatively along the guide of the inner wall of the drip irrigation body 1. The mounting plate 23 is provided with an overflow hole 24. The overflow hole 24 is a tapered hole structure with a gradually decreasing hole diameter in the direction of the mounting plate 23 pointing to the mounting rod 2, so as to form a gap space for liquid to pass to the passage opening 13.

[0028] Further, a circular arc chamfer 25 is arranged on the edge of the end of the mounting plate 23 away from the mounting rod 2.

[0029] Further, a spring 26 is arranged between the mounting plate 23 and the drip irrigation part 16. The two ends of the spring 26 are respectively in abutting contact with the inner wall of the mounting plate 23 and the inner wall of the drip irrigation part 16.

[0030] Further, the drip irrigation body 1 is provided with a flow area 3 in the region of the regular hexagonal platform 15. A plurality of gap grooves 31 are formed on the inner wall of the drip irrigation body 1 in the flow area 3. The gap grooves 31 are arc-shaped grooves uniformly and separately arranged along the inner wall of the drip irrigation body 1. When the mounting plate 23 moves into the flow area 3, a flow gap for liquid to pass is always formed between the mounting plate 23 and the drip irrigation body 1.

[0031] Further, a stopper 4 is arranged on the side wall of the mounting rod 2. The stopper 4 is a protrusion fixed on the mounting rod 2. When the mounting rod 2 moves to a certain position in the flow area 3, the protrusion will interfere with the side of the passage opening 13, preventing the mounting rod 2 from continuing to move. At this time, the mounting plate 23 is located in the height region between the upper and lower groove walls of the gap groove 31.

[0032] The utility model discloses a specific implementation process as follows: when carrying out drip irrigation, the pressurized pump does not work, and the water of drip irrigation is discharged from the passage mouth 13 through the overflow hole 24, realizing drip irrigation; when carrying out sprinkling irrigation, the pressurized pump works, and the water pressure extrudes the mounting plate 23, and the mounting plate 23 is pressed to a certain position under the pressure of the spring 26, and the overflow gap is opened, and the water flow is sprayed from the passage mouth 13 through the overflow gap; in this process, the mounting rod 2 drives the baffle 21 to also move away from the passage mouth 13, and the sprayed water flow is guided and dispersedly sprayed through the baffle 21, and the baffle 21 is flushed, and the silt thereon is cleaned.

[0033] The above only is the specific embodiment of the utility model, but the structural features of the utility model do not limit to this, the utility model can be used on similar products, and any person skilled in the art makes the change or modification in the field of the utility model, and all are covered in the patent range of the utility model.

Claims

1. A dual-purpose sprinkler and drip irrigation head, characterized in that: It includes a drip irrigation body (1), which is installed on an irrigation pipe (11), and the irrigation pipe (11) is externally connected to a pressurization device; The drip irrigation body (1) is a hollow structure, with an opening (12) at one end for connecting with the irrigation pipe (11) and a channel opening (13) at the other end; An installation plate (23) is movably installed inside the drip irrigation body (1). An overflow hole (24) is provided on the installation plate (23). When the installation plate (23) is in the initial position, the liquid entering the opening (12) can only flow to the channel opening (13) through the overflow hole (24). The drip irrigation body (1) is provided with a flow area (3). When the mounting plate (23) moves into the flow area (3), the flow area of ​​the area where the mounting plate (23) is located increases. The mounting plate (23) is provided with a reset element for limiting its initial position; The drip irrigation body (1) is provided with a spray guide plate to guide the direction of liquid spraying.

2. The spray and drip irrigation dual-purpose head according to claim 1, characterized in that: The reset component is a spring (26), one end of which abuts against the mounting plate (23), and the other end abuts against the bottom of the inner wall of the drip irrigation body (1).

3. The spray and drip irrigation dual-purpose head according to claim 1, characterized in that: The inner wall of the drip irrigation body (1) is provided with a gap groove (31), which is located in the flow area (3). When the mounting plate (23) moves into the flow area (3), a flow gap for liquid to pass through is always formed between the mounting plate (23) and the drip irrigation body (1).

4. The spray and drip irrigation dual-purpose head according to claim 1, characterized in that: The mounting plate (23) is slidably attached to the drip irrigation body (1) and can move relative to it under the guidance of the inner wall of the drip irrigation body (1).

5. The spray and drip irrigation dual-purpose head according to claim 1, characterized in that: The drip irrigation body (1) is provided with a stop (4) for limiting the movement of the mounting plate (23) to a certain extreme position. The stop (4) moves with the mounting plate (23), and after the mounting plate (23) moves to a certain position in the flow area (3), the stop (4) will interfere with a certain area of ​​the inner wall of the drip irrigation body (1) to limit the movement of the mounting plate (23).

6. The spray and drip irrigation dual-purpose head according to claim 5, characterized in that: The mounting plate (23) has a rounded chamfer (25) at one end edge away from the flow area (3).

7. The spray and drip irrigation dual-purpose head according to claim 1, characterized in that: The drip irrigation body (1) is provided with an external thread (14), and the irrigation pipe (11) is provided with an internal thread hole. The drip irrigation body (1) is threadedly connected to the drip irrigation body.

8. A spray and drip irrigation dual-purpose head according to claim 7, characterized in that: A stop platform is fixed to the outer wall of the drip irrigation body (1), and one end of the stop platform abuts against the outer wall of the irrigation pipe (11).

9. A spray and drip irrigation dual-purpose head according to claim 7 or 8, characterized in that: The outer wall of the drip irrigation body (1) is provided with a regular hexagonal truncated pyramid (15).

10. A spray and drip irrigation dual-purpose head according to claim 1, characterized in that: The spray guide plate is an arc-shaped baffle (21) covering the channel opening (13), which has multiple baffle holes (22) and the baffle holes (22) are arranged outward from the center of the arc-shaped baffle (21).

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