Spray irrigation nozzle

Abstract

The utility model relates to a sprinkling irrigation nozzle, which comprises a sprinkling nozzle component and a water distribution component, the head of a main pipe of the sprinkling nozzle component is provided with a positioning pipe head, and the positioning pipe head is provided with an annular support surface and a step-shaped mounting port; the pressurizing nozzle is limited in the step-shaped installation opening through the limiting piece, and the axial limiting edge on the limiting piece is matched with the annular supporting face to form a limiting space. A rotating seat of the water distribution component is sleeved on the positioning pipe head and is limited to rotate in the limiting space, a skirt-shaped stabilizing part is arranged at the bottom of the rotating seat, a water distribution head is fixed on the rotating seat through a plurality of supporting columns, the water distribution head is in a cone shape with the bottom center protruding downwards, and the top point of the bottom of the water distribution head corresponds to the position of the jet spraying hole. A plurality of arc-shaped water diversion grooves evenly distributed in the circumferential direction are formed in the side face of the bottom of the water diversion head, the arc-shaped water diversion grooves are twisted by a preset angle in the same direction, and therefore the irrigation fluid forms eccentric pushing force for driving the water diversion component to rotate in the arc-shaped water diversion grooves. The device has the advantages of simple structure and convenience in processing and assembling.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural or garden irrigation appliance, concretely relates to a sprinkling irrigation nozzle. BACKGROUND

[0002] The existing sprinkling irrigation nozzle is mostly swing arm type, and the corresponding technology is reported in multiple patent documents, such as application numbers CN 200980136776.3, CN 201710077488.1 and CN 201821241829.0. The swing arm type sprinkling irrigation nozzle has a complex structure, and is inconvenient to process and assemble. SUMMARY

[0003] The utility model discloses a simple structure, and the processing and assembly convenient sprinkling irrigation nozzle are provided to overcome the defects in the prior art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A sprinkling irrigation nozzle, comprising a sprinkling pipe member for irrigation fluid to enter and a water distribution member installed on the sprinkling pipe member, the sprinkling pipe member has a main irrigation inlet for receiving irrigation fluid and a jet orifice for releasing a directional jet of irrigation fluid, characterized in that: the sprinkling pipe member comprises a straight pipe-shaped main pipe, the head of the main pipe has a positioning pipe head, the outer peripheral wall of the rear end of the positioning pipe head has a radially protruding annular support surface, and the inner cavity of the positioning pipe head has a stepped mounting port;

[0006] A pressurized nozzle is placed in the stepped mounting port and has a conical jet orifice with a large tail end and a small head end;

[0007] And a limiting piece is fixedly installed on the positioning pipe head and limits the pressurized nozzle in the stepped mounting port, and has an axial limiting edge that cooperates with the annular support surface to form a limiting space;

[0008] The water distribution member comprises a rotating seat having a central positioning hole, the rotating seat is configured to be sleeved on the positioning pipe head through the central positioning hole and to be limited on the limiting space to rotate, and the bottom of the rotating seat is provided with a skirt-shaped stabilizing part, and the central axis of the skirt-shaped stabilizing part coincides with the central axis of the rotating seat;

[0009] And a water distribution head is uniformly distributed with a plurality of support columns in the circumferential direction, the water distribution head is fixed on the rotating seat through the support column and can rotate with the rotating seat, the water distribution head is erected above the jet orifice through the support column, the water distribution head is in the shape of a cone with the bottom center protruding downward, the bottom vertex of the water distribution head corresponds to the position of the jet orifice, an arc-shaped water distribution groove extending from the vertex to the bottom of the cone is arranged on the side of the bottom of the water distribution head, a plurality of arc-shaped water distribution grooves are uniformly distributed on the side of the bottom of the water distribution head in the circumferential direction, and the arc-shaped water distribution grooves are twisted in the same direction by a predetermined angle, so that the irrigation fluid forms an eccentric pushing force in the arc-shaped water distribution groove to drive the rotation of the water distribution member.

[0010] Preferably, the stepped mounting port is provided with an internal thread, the limiting member includes a tubular body with an external thread, and the axial limiting edge is located at the upper end of the external thread portion of the tubular body and protrudes radially out of the tubular body. The tubular body is screwed onto the internal thread of the stepped mounting port through the external thread.

[0011] Preferably, the tail port of the pressurized nozzle is provided with a radially outwardly protruding annular edge, the pressurized nozzle is inserted into the tubular body of the axial limiting member, the annular edge is limited by the tail port of the tubular body, and the axial limiting member tightly fixes the annular edge on the bottom surface of the stepped mounting port.

[0012] Preferably, the outer circumferential surface of the pressurized nozzle is uniformly distributed with a plurality of axial material reduction grooves.

[0013] Preferably, a plurality of longitudinal ribs are distributed in the circumferential direction on the wall of the tubular body above the axial limiting edge, and a tooth-like pinch part is formed at the head of the tubular body.

[0014] Preferably, the skirt-shaped stabilizing part is uniformly distributed with a plurality of hollow windows in the circumferential direction, and the skirt-shaped stabilizing part includes a ring-shaped ring at the tail end and a plurality of connecting pieces uniformly and spacedly distributed in the circumferential direction, the connecting pieces connecting the ring-shaped ring and the rotating seat.

[0015] Preferably, the rotating seat and the skirt-shaped stabilizing part are integrally injection molded to form a first fitting, the rotating seat is provided with a plug-in pipe corresponding to each support column, the water distribution head and the support column are integrally injection molded to form a second fitting, the support column has a plug-in rod inserted into the plug-in pipe, and an anti-extraction end head is formed at the end of the plug-in rod to limit the extraction of the plug-in rod from the plug-in pipe.

[0016] The utility model discloses a sprinkling irrigation nozzle, the irrigation fluid that sprays from the jet orifice is aimed at the water distribution head, and enters the arc water distribution groove of water distribution head, and because the arc water distribution groove adopts the twist design, makes the eccentric driving force of water flow after entering the arc water distribution groove, to realize rotation and spraying effect. And the sprinkling irrigation nozzle is assembled, and the center positioning hole of the rotating seat of water distribution component is sleeved on the positioning pipe head, and the pressurizing nozzle is put into the stepped mounting mouth of positioning pipe head, then the limiting piece is installed to the positioning pipe head, and the pressurizing nozzle is fixed and the water distribution component is limited simultaneously, and the compact structure and the convenient installation advantage are had, in addition, adopt independent pressurizing nozzle design, and it is convenient for processing, guarantees the pressurization of jet, to keep irrigation spraying effect. The whole structure is simple and compact, and has the advantages of simple and convenient assembling operation.

[0017] The utility model will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the perspective view of the utility model sprinkling irrigation nozzle;

[0019] Figure 2 It is the plan view of the utility model sprinkling irrigation nozzle;

[0020] Figure 3 It is Figure 2 It is the sectional view of cutting along A-A line;

[0021] Figure 4 It is the explosion view of the utility model sprinkling irrigation nozzle. DETAILED DESCRIPTION

[0022] Referring to the drawings, Figures 1-4 The utility model discloses a sprinkling irrigation nozzle, including the water spraying pipe component 1 of irrigation fluid entrance and the water distribution component 2 of installing on water spraying pipe component 1, and water spraying pipe component 1 has the main irrigation import 110 for receiving irrigation fluid and the jet orifice for releasing the directional jet of irrigation fluid. Water spraying pipe component 1 includes straight pipe main pipe 11, pressurizing nozzle 12 and limiting piece 13;The head of main pipe 11 has positioning pipe head 111, and the outer peripheral wall has radial protruding annular support surface 1111 on the rear end of positioning pipe head 111, and the inner chamber of positioning pipe head 111 has stepped mounting mouth 1112;Straight pipe main pipe 11 tail end is installed with connecting piece 14, is used to connect the sprinkling irrigation nozzle to the water supply pipe.

[0023] The pressurizing nozzle 12 is placed in the stepped mounting port 1112, and has a conical jet orifice 121 with a large tail end and a small head end; the pressurizing nozzle 12 can realize pressurization of the irrigation fluid, thereby improving the jetting pressure of the irrigation fluid; the pressurizing nozzle is independently processed and formed, which can facilitate processing and adjustment of the pressurization capacity, such as changing the length and inner diameter of the pressurizing nozzle. Meanwhile, only the stepped mounting port for mounting the pressurizing nozzle is formed on the positioning pipe head of the main pipe, which also simplifies the structure of the main pipe and facilitates processing and forming of the main pipe.

[0024] The limiting member 13 is fixedly installed on the positioning pipe head 111 and limits the pressurizing nozzle 12 in the stepped mounting port 1112, and the limiting member 13 has an axial limiting edge 131 which cooperates with the annular supporting surface 1111 to form a limiting space.

[0025] The water distribution member 2 includes a rotating seat 21 and a water distribution head 22; the rotating seat 21 has a central positioning hole, and is annular; the rotating seat 21 is configured to be sleeved on the positioning pipe head 111 through the central positioning hole and is limited on the limiting space to rotate; in assembly, the rotating seat 21 is sleeved on the positioning pipe head 111, and then the limiting member 13 is installed on the positioning pipe head 111, which simultaneously limits the pressurizing nozzle 12 and the rotating seat 21 on the positioning pipe head 111, so that the overall structure is compact and assembly is facilitated. To further realize convenient and reliable installation, preferably, the stepped mounting port 1112 is provided with an internal thread, and the limiting member 13 includes a tubular body 132 with an external thread, and the axial limiting edge 131 is located at the upper end of an external thread portion 1321 of the tubular body 132 and protrudes radially from the tubular body 132; the tubular body 132 is screwed on the internal thread of the stepped mounting port 1112 through the external thread. Of course, the installation and fixation of the limiting member can adopt other structural designs, such as buckling, or plugging, or designing an internal thread on the limiting member and an external thread on the positioning pipe head, etc., but there are defects such as inconvenience in existence or processing, or insufficient assembly reliability, etc.; and the design of the above-mentioned embodiment in the drawings utilizes the internal space of the positioning pipe head to provide installation of the limiting member, realizes expansion of the caliber of the stepped mounting port of the positioning pipe head, facilitates processing, and at the same time makes the axial dimension of the limiting member not interfere with the installation of the rotating seat, so that the overall structure is compact; the threaded connection facilitates disassembly and assembly operation and is reliable in installation. To facilitate convenient and reliable disassembly and assembly operation of the limiting member, a plurality of longitudinal ribs 133 are distributed in the circumferential direction on the wall above the axial limiting edge 131 of the tubular body 132, and a toothed gripping portion is formed at the head of the tubular body 132.

[0026] In order to achieve compact structure and facilitate assembly, the tail port of the pressurized nozzle 12 is provided with a radially outwardly protruding annular edge 122, the pressurized nozzle 12 is inserted into the tubular body 132 of the axial limiting member 13, the annular edge 122 is limited by the tail port of the tubular body 132, and the axial limiting member 13 is pressed and fixed on the bottom surface of the stepped mounting port 1112. In this way, the axial space of the pressurized nozzle and the limiting member is overlapped, achieving compact assembly. In addition, since the pressurized nozzle 12 is an independent accessory placed in the stepped mounting port 1112, there is a risk of assembly in reverse without special design. The pressurized nozzle is provided with the annular edge 122, the annular edge 122 is limited by the port of the tubular body 132 of the limiting member 13, and the pressurized nozzle 12 is inserted into the tubular body 132 of the limiting member 13 during assembly. When the pressurized nozzle is assembled in reverse, the limiting member cannot be screwed into place. Alternatively, the pressurized nozzle can be inserted into the limiting member before assembly, thereby avoiding the risk of reverse assembly of the pressurized nozzle. The pressurized nozzle is usually a plastic molded part, such as polyethylene, polypropylene, polystyrene, etc. In order to ensure accurate and reliable processing and molding of the pressurized nozzle, the outer circumferential surface of the pressurized nozzle 12 is uniformly provided with a plurality of axially extending material reducing grooves 123.

[0027] The water distribution head 22 is uniformly distributed with a plurality of support columns 23 along the circumference, the water distribution head 22 is fixed on the rotating seat 21 through the support columns 23 and can rotate with the rotating seat 21, the water distribution head 22 is erected above the jet orifice 121 through the support columns 23, the water distribution head 22 is conical with the bottom center protruding downward, the bottom vertex a of the water distribution head 22 corresponds to the position of the jet orifice 121, the bottom side of the water distribution head 22 is provided with an arc-shaped water distribution groove 221 extending from the vertex a to the bottom, the bottom side of the water distribution head 22 is uniformly distributed with a plurality of arc-shaped water distribution grooves 221 along the circumference, the arc-shaped water distribution grooves 221 are twisted in the same direction by a predetermined angle, so that the irrigation fluid forms an eccentric pushing force in the arc-shaped water distribution groove 221 to drive the rotation of the water distribution member 2. For those skilled in the art, it is common to drive the nozzle to rotate by generating a tangential component of the fluid jet force, and therefore the design of the arc-shaped water distribution groove 221 can be adjusted and improved by those skilled in the art based on the existing technology. For example, the twisting angle of the arc-shaped water distribution groove or the number of arc-shaped water distribution grooves can be adjusted. The number of support columns 23 is preferably three, which ensures reliable support and provides sufficient space for the operation of the limiting member for disassembly.

[0028] In order to ensure stable rotation of the water distribution member, the bottom of the rotating seat 21 is provided with a skirt-shaped stabilizing portion 24, which realizes counterweight balance of the water distribution member 2 to ensure stable and reliable rotation of the water distribution member, and the center axis of the skirt-shaped stabilizing portion 24 coincides with the center axis of the rotating seat 21.

[0029] Further, the skirt-shaped stabilizer 24 is uniformly distributed with a plurality of hollow windows 241 along the circumference, and further comprises a ring-shaped circle 242 at the tail end, and a plurality of connecting pieces 243 uniformly and spacedly distributed along the circumference, and the connecting pieces 243 connect the ring-shaped circle 242 and the rotating seat 21. The hollow windows 241 can make the skirt-shaped stabilizer have a larger extension size design, and the ring-shaped circle at the bottom end has a better stabilizing effect.

[0030] In the embodiment, the rotating seat 21 and the skirt-shaped stabilizer 24 are integrally injection molded to form a first accessory, and the rotating seat 21 is provided with a plug-in pipe 211 corresponding to the support column 23, the water distribution head 22 and the support column 23 are integrally injection molded to form a second accessory, and the support column 23 has a plug-in rod 231 inserted into the plug-in pipe 211, and the end of the plug-in rod 231 is formed with a stopper matching plug-in pipe 211 to form a anti-pulling end 2311 to limit the plug-in rod 231 from being pulled out of the plug-in pipe 211. The water distribution member is assembled by two accessories, and is convenient to process and assemble. The anti-pulling end is an end of a plastic part softened and extruded to form an enlarged end.

Claims

1. A sprinkler head, comprising a sprinkler pipe assembly for receiving irrigation fluid and a water distribution assembly mounted on the sprinkler pipe assembly, the sprinkler pipe assembly having a main irrigation inlet for receiving irrigation fluid and a jet nozzle for releasing a directional jet of irrigation fluid, characterized in that: The sprinkler pipe component includes a straight main pipe, the head of the main pipe has a positioning pipe head, the outer peripheral wall of the rear end of the positioning pipe head has a radially protruding annular support surface, and the inner cavity of the positioning pipe head has a stepped mounting port. The pressurized nozzle is placed inside the stepped mounting port and has a tapered jet nozzle with a large tail end and a small head end; And a limiting component, which is fixedly installed on the positioning tube head and restricts the pressure nozzle within the stepped mounting port, and has an axial limiting edge that cooperates with the annular support surface to form a limiting space; The water distribution component includes a rotating seat with a central positioning hole. The rotating seat is configured to be fitted onto the positioning tube head through the central positioning hole and restricted to rotate in the limiting space. The bottom of the rotating seat is provided with a skirt-shaped stabilizing part, and the central axis of the skirt-shaped stabilizing part coincides with the central axis of the rotating seat. The water distribution head is supported by several supporting columns evenly distributed around its circumference. The water distribution head is fixed to the rotating base by the supporting columns and can rotate with the rotating base. The water distribution head is supported by the supporting columns and is mounted above the jet nozzle. The water distribution head is a cone shape with the bottom center protruding downwards. The bottom apex of the water distribution head corresponds to the position of the jet nozzle. The bottom side of the water distribution head is provided with an arc-shaped water distribution groove extending from the apex to the bottom of the cone. Several arc-shaped water distribution grooves are evenly distributed around the bottom side of the water distribution head around its circumference. The arc-shaped water distribution grooves are twisted at a predetermined angle in the same direction, so that the irrigation fluid forms an eccentric driving force in the arc-shaped water distribution grooves to drive the water distribution component to rotate.

2. The sprinkler head according to claim 1, characterized in that: The stepped mounting opening is provided with an internal thread, and the limiting member includes a tubular body with an external thread. The axial limiting edge is located at the upper end of the external thread portion of the tubular body and protrudes radially from the tubular body. The tubular body is screwed onto the internal thread of the stepped mounting opening via the external thread.

3. The sprinkler head according to claim 2, characterized in that: The tail end of the pressurizing nozzle is provided with a radially outward protruding annular edge. The pressurizing nozzle is inserted into the tubular body of the axial limiting member. The annular edge abuts against and limits the tail end of the tubular body. The axial limiting member presses and fixes the annular edge to the bottom surface of the stepped mounting port.

4. The sprinkler head according to claim 2, characterized in that: The outer circumference of the pressurizing nozzle is evenly distributed with several material reduction grooves extending along the axial direction.

5. The sprinkler head according to claim 2, characterized in that: The tubular body has several longitudinal ribs distributed circumferentially on the wall above the axial limiting edge, and a toothed pinching part is formed at the head of the tubular body.

6. The sprinkler head according to claim 1, characterized in that: The skirt-shaped stabilizing part has a number of perforated windows evenly distributed along the circumference. Furthermore, the skirt-shaped stabilizing part includes an annular ring at the tail end and connecting pieces evenly spaced along the circumference. The connecting pieces connect the annular ring and the rotating seat.

7. The sprinkler head according to claim 6, characterized in that: The rotating seat and the skirt-shaped stabilizing part are integrally injection molded to form the first accessory. The rotating seat is provided with a connector tube that corresponds to and cooperates with the support column. The water distribution head and the support column are integrally injection molded to form the second accessory. The support column has a connector rod, which is inserted into the connector tube. The end of the connector rod is formed to cooperate with the stop of the connector tube to form an anti-detachment end that restricts the connector rod from being pulled out of the connector tube.

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