Underground telescopic irrigation nozzle for park urban landscaping

Abstract

The utility model discloses a buried telescopic irrigation nozzle for park urban landscaping, which relates to the field of filling equipment, and comprises an outer pipe, an inner pipe and a spring, the bottom end of the outer pipe is provided with a threaded interface, the inner pipe is limited in the outer pipe in a sliding manner, the spring is sleeved between the outer pipe and the inner pipe in a sliding manner, the top end of the inner pipe is provided with a rotary nozzle, and the rotary nozzle is arranged in the outer pipe. The rotary spray head is rotationally connected with the inner pipe, a filtering mechanism is arranged at the bottom of the inner pipe and comprises a limiting base and a filter element, the inner pipe is connected to the limiting base in a threaded mode, an arc-shaped drainage pipe sunken inwards is arranged in the middle of the limiting base, the top of the drainage pipe is sealed, and water outlets are formed in the two sides of the drainage pipe. The filter element is of a barrel-shaped structure formed by a filter screen, and the filter element is inserted into the limiting base in an inverted mode and located between the drainage pipe and the inner pipe. The irrigation nozzle adopts a detachable structure, so that the filter element can be conveniently taken out and cleaned.

Description

Technical Field

[0001] The utility model belongs to the field of filling equipment, and in particular relates to an underground telescopic irrigation sprinkler for park city greening. Background Art

[0002] Garden irrigation is an important part of garden greening construction. The existing garden irrigation sprinklers are complex in structure and large in size, requiring manual supervision or operation. The installation and maintenance of the sprinklers are time-consuming and labor-intensive. The sprinklers are subjected to uneven force, which reduces the spraying effect. The fine sand and gravel impurities in the tap water pipes and the rust residue from aging pipes can easily clog the sprinklers, resulting in a waste of manpower and material resources.

[0003] Chinese utility model patent CN211099649U discloses an underground automatic rotating sprinkler for landscaping. The sprinkler is prevented from clogging by providing a filter. However, the filter is provided at the bottom end of an outer tube. When replacing the filter, the pre-buried outer tube needs to be removed. As a result, the rotating sprinkler needs to be dug up each time the filter is replaced. During the digging process, soil can easily enter the pipe, causing clogging of the pipe.

[0004] Therefore, how to provide a buried telescopic irrigation sprinkler for park city greening that is convenient for replacing the filtering mechanism has become an issue that technicians in this field need to consider. Utility Model Content

[0005] In view of this, the utility model provides a buried telescopic irrigation sprinkler for park city greening. The utility model facilitates the replacement of the filter element through a detachable structural design. The filter element itself can collect filtered impurities to prevent them from accumulating in the pipeline.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A park city greening underground telescopic irrigation sprinkler comprises an outer tube, an inner tube and a spring, a threaded interface is provided at the bottom end of the outer tube, the inner tube is slidably confined in the outer tube, a spring is provided for the sliding sleeve between the outer tube and the inner tube, a rotating sprinkler is provided at the top end of the inner tube, the rotating sprinkler is rotatably connected to the inner tube, a filtering mechanism is provided at the bottom of the inner tube, the filtering mechanism comprises a limiting base and a filter element, the inner tube is threadedly connected to the limiting base, an inwardly recessed arc-shaped drainage pipe is provided in the middle of the limiting base, the top of the drainage pipe is sealed, and water outlets are provided on both sides, the filter element is a barrel-shaped structure formed by a filter screen, and the filter element is inverted and inserted into the limiting base, and is located between the drainage pipe and the inner tube.

[0008] Furthermore, a rotary drive mechanism is provided inside the inner tube, and the rotary drive mechanism includes a turbine chamber, a rotating shaft, fan blades and a speed change mechanism. The edge of the turbine chamber is fixed on the inner wall of the inner tube, and a plurality of oblique cuts are provided on the surface of the turbine chamber. The rotating shaft is rotatably provided in the center of the turbine chamber, and the fan blades are provided on the rotating shaft and are in the same plane as the oblique cuts. The speed change mechanism is located on one side of the inner wall of the inner tube, and the rotating shaft is drivingly connected to the speed change mechanism.

[0009] Furthermore, the part of the rotary nozzle located in the inner tube is provided with a collection basin, the side wall edge of the collection basin is provided with an annular rack, the top of the speed change mechanism is provided with a driving gear, the driving gear is engaged with the annular rack, and the top of the collection basin is connected to the spray hole of the rotary nozzle through a hollow rotating shaft.

[0010] Furthermore, the speed change mechanism includes a housing and a reduction gear set, wherein the reduction gear set is arranged in the housing, and the reduction gear set realizes the reduction of the driving gear by arranging multiple sets of double gears that mesh with each other.

[0011] Furthermore, the limiting base is provided with tooth-shaped slots at intervals, and the inner wall of the outer tube is correspondingly provided with limiting ridges, and the outer tube limits the limiting base to slide up and down through the limiting ridges.

[0012] Furthermore, the top of the limiting ridge is provided with an oblique chamfer, which is used to separate the limiting base from the limiting ridge and manually adjust the initial spraying direction.

[0013] Furthermore, a limiting end cover is provided at the top end of the outer tube, a guide hole for the inner tube to extend is provided at the center of the limiting end cover, and the limiting end cover is threadedly connected to the top end of the outer tube to prevent the limiting base from falling out.

[0014] Furthermore, an annular sealing ring is clamped on the edge of the guide hole to prevent water leakage.

[0015] The beneficial effects of the present invention are as follows: the present invention arranges the inner tube and the outer appearance of the irrigation nozzle into a detachable structure, and arranges the filter element in the inner tube, which facilitates the removal of the filter element; the filter element adopts a barrel-shaped structure, and has a large contact area with the water flow, and will not cause the water flow to be reduced due to impurities hanging on the filter screen; the filter element is inverted on the limiting base, and with the arrangement of the drainage pipe, impurities can be stored in the filter screen, avoiding their accumulation in the irrigation pipeline, and facilitating the collection and cleaning of impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the outer tube of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the inner tube of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the limiting base of the utility model;

[0020] Figure 5 This is a schematic diagram of the turbine chamber structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the collection basin of the utility model.

[0022] In the picture:

[0023] 1. Outer tube; 2. Inner tube; 3. Spring; 4. Threaded interface; 5. Limit base; 6. Limit ridge; 7. Limit end cap; 8. Annular seal; 9. Filter element; 10. Drainage tube; 11. Turbine chamber; 12. Rotating shaft; 13. Fan blades; 14. Speed ​​change mechanism; 15. Oblique incision; 16. Rotating nozzle; 17. Collection basin; 18. Drive gear. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "horizontal", "inner", "outer", "one side", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or circuit connections; they can be direct connections, indirect connections through an intermediate medium, or internal connections between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Example 1

[0027] like Figure 1-6As shown, this embodiment discloses a park city greening underground telescopic irrigation sprinkler, including an outer tube 1, an inner tube 2 and a spring 3. The bottom end of the outer tube 1 is provided with a threaded interface 4 for connecting to a pre-buried irrigation pipe. The inner tube 2 is slidably confined in the outer tube 1. A spring 3 is provided in a sliding sleeve between the outer tube 1 and the inner tube 2 for retracting and resetting the inner tube 2 after irrigation is completed.

[0028] Specifically, a filtering mechanism is provided at the bottom of the inner tube 2, and the filtering mechanism includes a limiting base 5. The inner tube 2 is fixed to the limiting base 5 by threads. The side of the limiting base 5 is provided with serrated grooves at intervals. The inner wall of the outer tube 1 is correspondingly provided with a limiting ridge 6. The limiting ridge 6 limits the inner tube 2 from sliding up and down. The top of the limiting ridge 6 is provided with an oblique chamfer, which is used to disengage the inner tube 2 from the limiting ridge 6 and manually adjust the initial injection direction.

[0029] A limiting end cover 7 is provided at the top end of the outer tube 1. A guide hole for the inner tube 2 to extend is provided at the center of the limiting end cover 7. An annular sealing ring 8 is clamped on the edge of the guide hole to prevent water leakage. The limiting end cover 7 is installed on the top end of the outer tube 1 and is threadedly connected to the outer tube 1 to prevent the limiting base 5 from falling out.

[0030] The filtering mechanism also includes a filter element 9. An inwardly recessed arc-shaped drainage tube 10 is provided in the middle of the limiting base 5. The top of the drainage tube 10 is sealed, and water outlets are opened on both sides. The filter element 9 is a barrel-shaped structure formed by a filter screen. The filter element 9 is inverted and inserted into the limiting base 5, and is located between the drainage tube 10 and the inner tube 2. In this way, when water flows through the filtering mechanism, impurities in the water will be intercepted and stored in the filter element 9 to avoid clogging the injection hole.

[0031] A rotary drive mechanism is provided inside the inner tube 2. Specifically, the rotary drive mechanism includes a turbine chamber 11, a rotating shaft 12, fan blades 13 and a speed change mechanism 14. The edge of the turbine chamber 11 is fixed on the inner wall of the inner tube 2. A plurality of oblique cuts 15 are provided around the surface of the turbine chamber 11. The rotating shaft 12 is rotatably provided at the center of the turbine chamber 11. The fan blades 13 are provided on the rotating shaft 12 and are in the same plane as the oblique cuts 15. The speed change mechanism 14 is located on one side of the inner wall of the inner tube 2. The rotating shaft 12 is drive-connected to the speed change mechanism 14. The speed change mechanism 14 includes a housing and a reduction gear set. The reduction gear set is provided in the housing. The reduction gear set realizes the deceleration of the drive gear 18 by providing multiple sets of double gears that mesh with each other.

[0032] A rotating nozzle 16 is provided at the top of the inner tube 2, and the rotating nozzle 16 is rotatably connected to the inner tube 2. A collecting basin 17 is fixedly provided on the part of the rotating nozzle 16 located in the inner tube 2, and an annular rack is provided on the side wall edge of the collecting basin 17. A driving gear 18 is provided at the top of the speed changing mechanism 14, and the driving gear 18 is engaged with the annular rack. The top of the collecting basin 17 is connected to the injection hole of the rotating nozzle 16 through a hollow rotating shaft.

[0033] When the water flows through the filtering mechanism and flows to the turbine chamber 11, the water flows into the interior of the turbine chamber 11 from the oblique cutout 15 of the turbine chamber 11 and rotates in the turbine chamber 11. The rotating water flow drives the fan blades 13 to rotate and drives the speed change mechanism 14 to change speed. The purpose of setting the speed change mechanism 14 is to reduce the rotation speed of the shaft and increase the torque, so as to use the driving gear 18 to drive the rotation of the collection basin 17. The collection basin 17 drives the rotary sprinkler to rotate through the hollow shaft, and uses the hollow shaft to transport the water flow to the spray hole for spray irrigation.

[0034] Although the above description of the specific implementation methods of the present invention is combined with the accompanying drawings, it does not limit the scope of protection of the present invention. Technical personnel in the relevant field should understand that on the basis of the technical solution of the present invention, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the present invention.

Claims

1. A buried telescopic irrigation sprinkler for urban greening in parks, characterized by: It includes an outer tube, an inner tube and a spring. The bottom end of the outer tube is provided with a threaded interface. The inner tube is slidably confined in the outer tube. A spring is provided for the sliding sleeve between the outer tube and the inner tube. The top end of the inner tube is provided with a rotating nozzle. The rotating nozzle is rotatably connected to the inner tube. The bottom of the inner tube is provided with a filtering mechanism. The filtering mechanism includes a limiting base and a filter element. The inner tube is threadedly connected to the limiting base. The middle part of the limiting base is provided with an inwardly concave arc-shaped drainage pipe. The top of the drainage pipe is sealed and water outlets are opened on both sides. The filter element is a barrel-shaped structure formed by a filter screen. The filter element is inverted and inserted into the limiting base and is located between the drainage pipe and the inner tube.

2. The underground telescopic irrigation sprinkler for park city greening according to claim 1 is characterized in that: A rotary drive mechanism is provided inside the inner tube, and the rotary drive mechanism includes a turbine chamber, a rotating shaft, fan blades and a speed change mechanism. The edge of the turbine chamber is fixed on the inner wall of the inner tube, and a plurality of oblique cuts are provided on the surface of the turbine chamber. The rotating shaft is rotatably provided at the center of the turbine chamber, and the fan blades are provided on the rotating shaft and are in the same plane as the oblique cuts. The speed change mechanism is located on one side of the inner wall of the inner tube, and the rotating shaft is drivingly connected to the speed change mechanism.

3. The underground telescopic irrigation sprinkler for park city greening according to claim 2 is characterized in that: The part of the rotary nozzle located in the inner tube is provided with a collection basin, the side wall edge of the collection basin is provided with an annular rack, the top of the speed change mechanism is provided with a driving gear, the driving gear is engaged with the annular rack, and the top of the collection basin is connected to the spray hole of the rotary nozzle through a hollow rotating shaft.

4. The underground telescopic irrigation sprinkler for park city greening according to claim 3 is characterized in that: The speed change mechanism includes a housing and a reduction gear set. The reduction gear set is arranged in the housing. The reduction gear set realizes the reduction of the driving gear by arranging multiple sets of double gears that mesh with each other.

5. The underground telescopic irrigation sprinkler for park city greening according to claim 1 is characterized in that: The limiting base is provided with tooth-shaped slots at intervals, and the inner wall of the outer tube is correspondingly provided with limiting ridges. The outer tube limits the limiting base to slide up and down through the limiting ridges.

6. The underground telescopic irrigation sprinkler for park city greening according to claim 5, characterized in that: The top end of the limiting ridge is provided with an oblique chamfer, which is used to separate the limiting base from the limiting ridge and manually adjust the initial spraying direction.

7. The underground telescopic irrigation sprinkler for park city greening according to claim 1, characterized in that: A limiting end cover is provided at the top end of the outer tube, a guide hole for the inner tube to extend is provided at the center of the limiting end cover, and the limiting end cover is threadedly connected to the top end of the outer tube to prevent the limiting base from falling out.

8. The underground telescopic irrigation sprinkler for park and city greening according to claim 7, characterized in that: An annular sealing ring is clamped on the edge of the guide hole to prevent water leakage.

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