Adjustable sprinkling irrigation head with controllable spraying shape

Abstract

The invention provides an adjustable spray irrigation head with a controllable spraying shape, which comprises a pipe body assembly and a spray head assembly, the pipe body assembly is vertically arranged, and the two ends of the pipe body assembly are detachably connected with a water inlet pipeline and the spray head assembly respectively; the nozzle assembly comprises a nozzle seat, a baffle plate structure is horizontally arranged in the nozzle seat, a baffle plate threaded hole is formed in the center of the baffle plate structure, a plurality of stepped holes are annularly formed in the baffle plate structure along the periphery of the baffle plate structure, and adjustable units are vertically arranged on the stepped holes; a gland is arranged at the top of the adjustable unit, a fastening bolt penetrating through the interior of the gland is vertically arranged in the center of the gland, and the fastening bolt is spirally connected with the threaded hole of the baffle disc; the adjustable unit comprises a spray pipe, spray holes in different shapes are formed in the spray pipe, and a height-adjustable adjusting screw is arranged at the top of the spray pipe. The spraying shape can be controlled by replacing the adjustable unit of the spraying hole with the set height and the set shape; by adjusting the height of the adjusting screw, the pressure in the spraying pipe is finely adjusted, and the spraying shape is further accurately controlled.

Description

Technical Field

[0001] The invention relates to the technical field of sprinkler irrigation equipment, and in particular to an adjustable sprinkler irrigation head with controllable spray shape. Background Art

[0002] Sprinkler irrigation technology is usually used in the daily maintenance of landscape lawns or special plants. Common sprinkler heads are usually divided into rotary sprinkler heads, fixed sprinkler heads and orifice tube sprinkler heads. Rotary sprinkler heads include rocker arm sprinkler heads, impeller sprinkler heads, reaction sprinkler heads, and fixed sprinkler heads include refraction sprinkler heads and slit sprinkler heads. The working area of ​​the above sprinkler heads is basically a circle with a certain radius, and it is not possible to accurately sprinkler irregular plots or plots with complex curved boundaries. Especially for landscape greening lawns, which are usually located next to roads, it is difficult for the commonly used sprinkler heads to ensure that the landscape lawns are fully irrigated without spraying water onto the road. Therefore, there is currently no suitable sprinkler head that can achieve controllable spray shape. Summary of the invention

[0003] The purpose of the present invention is to provide an adjustable sprinkler head with controllable spray shape, which can realize controllable spray shape by replacing an adjustable unit for setting the height and shape of the spray hole; by adjusting the height of the adjusting screw, the pressure in the nozzle is fine-tuned, and then the spray position of each spray hole is fine-tuned, so as to further accurately control the spray shape.

[0004] In order to achieve the above-mentioned object, the technical solution adopted by the present invention is: an adjustable sprinkler head with controllable spray shape, comprising a pipe body assembly and a nozzle assembly, the pipe body assembly is vertically arranged, and the two ends of the pipe body assembly are detachably connected to the water inlet pipe and the nozzle assembly respectively; The nozzle assembly comprises a nozzle seat, a baffle structure is horizontally arranged in the nozzle seat, a baffle threaded hole is arranged in the center of the baffle structure, a plurality of stepped holes are arranged in a circular shape along the periphery of the baffle structure, and an adjustable unit is vertically arranged on the stepped hole; A gland is provided on the top of the adjustable unit, a fastening bolt is vertically provided in the center of the gland and passes through the inside thereof, and the fastening bolt is spirally connected to the threaded hole of the baffle; The adjustable unit comprises a nozzle, the nozzle is provided with nozzle holes of different shapes, and the top of the nozzle is provided with a height-adjustable adjusting screw.

[0005] Preferably, a positioning surface matching the stepped hole is provided on the outer side of the nozzle.

[0006] Preferably, the adjusting screw comprises a polished rod structure, a water-passing inclined surface is provided at the bottom of the polished rod structure, an external thread is provided on the polished rod structure, and an internal thread matching the external thread on the polished rod structure is provided on the top of the nozzle.

[0007] Preferably, a straight groove is provided on the top of the bare rod structure.

[0008] Preferably, the gland is provided with gland countersunk holes at positions corresponding to each nozzle.

[0009] Preferably, a sealing gasket groove is provided on the gland countersunk hole.

[0010] Preferably, a special-shaped sealing ring is provided between the stepped hole and the adjustable unit.

[0011] Preferably, the nozzle seat is provided with an external hexagonal edge.

[0012] Preferably, the pipe body assembly includes a pipe joint, the top of the pipe joint is provided with an external thread, and the nozzle seat is provided with an internal thread matching the external thread on the pipe joint.

[0013] Preferably, a pipe head limiting protrusion is provided at the bottom of the pipe joint, and a loose joint nut which cooperates with the pipe head limiting protrusion and is spirally fixedly connected to the water inlet pipe is also provided on the pipe joint.

[0014] The beneficial effects of the present invention are: 1. The pipe body assembly and the nozzle assembly of this solution are detachably connected, which is convenient for replacing pipe body assemblies of different heights, and realizing free adjustment of the height of the nozzle assembly, thereby meeting the needs of different spray shapes.

[0015] 2. The fastening bolts of this solution are screwed to the threaded holes of the baffle plate. By loosening the fastening bolts, it is easy to replace the adjustable unit.

[0016] 3. This solution achieves accurate ejection positions of each nozzle by replacing the adjustable unit with set height and set shape nozzles, thereby jointly forming the expected ejection shape. By replacing the adjustable unit with different set height and set shape nozzles, the ejection shape can be controlled.

[0017] 4. This solution can fine-tune the pressure in the nozzle by adjusting the height of the adjusting screw, and then fine-tune the spray position of each nozzle hole, and further accurately control the spray shape.

[0018] 5. The outer side of the nozzle of this solution is provided with a positioning surface matching the stepped hole, so as to facilitate the rapid positioning of the nozzle in the stepped hole and the contact limiting between the nozzles.

[0019] 6. The gland of the present invention is provided with gland countersunk holes at the corresponding positions of each nozzle, so that a flat-blade tool can directly enter the flat-blade groove for adjustment through the gland countersunk holes. The height of the adjusting screw can be adjusted without disassembling the gland, which is convenient for adjustment under the pressurized state when the nozzle is filled with water and each nozzle hole is spraying water, so as to accurately control the spray shape. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 It is a schematic structural diagram of the nozzle assembly of the present invention.

[0023] Figure 3 It is a structural schematic diagram of the nozzle seat of the present invention.

[0024] Figure 4 It is a structural schematic diagram of the adjustable unit of the present invention.

[0025] Figure 5 It is a schematic structural diagram of the adjusting screw of the present invention.

[0026] Figure 6 It is a schematic structural diagram of the gland of the present invention.

[0027] Figure 7 It is a structural schematic diagram of the special-shaped sealing ring of the present invention.

[0028] Figure 8 It is a schematic structural diagram of the pipe body assembly of the present invention.

[0029] In the figure, 1. nozzle assembly, 11. nozzle seat, 111. outer hexagon, 112. baffle structure, 113. stepped hole, 114. baffle threaded hole, 12. adjustable unit, 121. nozzle, 122. spray hole, 123. adjusting screw, 1231. bare rod structure, 1232. slot, 1233. water-passing slope, 124. positioning surface, 13. gland, 131. gland countersunk hole, 132. sealing gasket groove, 133. gland bolt hole, 14. fastening bolt, 15. special-shaped sealing ring, 2. pipe body assembly, 21. pipe joint, 22. union nut, 23. pipe head limit convex. DETAILED DESCRIPTION

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0032] At the same time, it should be noted that: unless otherwise defined, the technical terms or scientific terms used in this article should be the ordinary meaning understood by people with ordinary skills in the technical field to which the present invention belongs. The meaning of "multiple" used in the patent application specification and claims of the present invention is two or more; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front end", "rear end", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0033] The present invention is further described in detail below in conjunction with embodiments and with reference to the accompanying drawings.

[0034] The present invention discloses an adjustable sprinkler head with controllable spray shape. Figure 1 As shown, the embodiment includes a pipe body assembly 2 and a nozzle assembly 1, wherein the pipe body assembly 2 is vertically arranged, and the two ends of the pipe body assembly 2 are detachably connected to the water inlet pipe and the nozzle assembly 1. The pipe body assembly 2 is detachably connected to the nozzle assembly 1, which is convenient for replacing pipe body assemblies 2 of different heights, realizing free adjustment of the height of the nozzle assembly 1, and thus meeting the requirements of different spray shapes.

[0035] like Figure 2 , 3 As shown, the nozzle assembly 1 includes a nozzle seat 11, a baffle structure 112 is horizontally arranged in the nozzle seat 11, a baffle threaded hole 114 is arranged in the center of the baffle structure 112, a plurality of stepped holes 113 are arranged in an annular manner along the periphery of the baffle structure 112, each stepped hole 113 together forms a stepped hole array, and an adjustable unit 12 is vertically arranged on the stepped hole 113. Water in the water inlet pipe passes through the pipe body assembly 2 and the nozzle seat 11 in sequence and enters the adjustable unit 12.

[0036] A gland 13 is disposed on the top of the adjustable unit 12, and a fastening bolt 14 is vertically disposed in the center of the gland 13 and passes through the interior thereof, and the fastening bolt 14 is screwedly connected to the threaded hole 114 of the baffle plate. By loosening and tightening the fastening bolt 14, the adjustable unit 12 is easily replaced.

[0037] like Figure 4 As shown, the adjustable unit 12 includes a nozzle 121, and the nozzle 121 is provided with nozzle holes 122 of different shapes. The shape of the nozzle hole 122 can be a chamfered square hole, a round hole, a star-shaped hole or other special-shaped holes. By replacing the adjustable unit 12 with a set height and a set shape of the nozzle hole 122, the precise ejection position of each nozzle hole 122 can be achieved, and then together form the expected injection shape. By replacing the adjustable unit 12 with different set heights and set shapes of the nozzle holes 122, the injection shape can be controlled.

[0038] The top of the nozzle 121 is provided with a height-adjustable adjusting screw 123. By adjusting the height of the adjusting screw 123, the pressure in the nozzle 121 can be fine-tuned, and then the spraying position of each spray hole 122 can be fine-tuned to further accurately control the spray shape.

[0039] The outer side of the nozzle 121 is provided with a positioning surface 124 matching the stepped hole 113 , so as to facilitate the nozzle 121 to be quickly positioned in the stepped hole 113 and to facilitate contact and positioning between the nozzles 121 .

[0040] like Figure 5 As shown, the adjusting screw 123 includes a polished rod structure 1231, and a water-passing inclined surface 1233 is provided at the bottom of the polished rod structure 1231. The water-passing inclined surface 1233 can be a smooth surface, and a guide groove can be processed thereon as required. The polished rod structure 1231 is provided with an external thread, and the top of the nozzle 121 is provided with an internal thread matching the external thread on the polished rod structure 1231. A straight groove 1232 is provided at the top of the polished rod structure 1231, so that the height of the adjusting screw 123 can be adjusted by inserting a straight tool into the straight groove 1232. The straight groove 1232 can also be replaced by a hexagonal socket.

[0041] like Figure 6 As shown, the gland 13 is provided with gland countersunk holes 131 at the corresponding positions of each nozzle 121, so that a flat tool can directly enter the flat groove 1232 through the gland countersunk hole 131 for adjustment, and the height of the adjusting screw 123 can be adjusted without disassembling the gland 13, so that the nozzle 121 is filled with water and each nozzle hole 122 sprays water under pressure, so as to accurately control the spray shape. The gland countersunk hole 131 is provided with a sealing gasket groove 132.

[0042] like Figure 7 As shown, a special-shaped sealing ring 15 is provided between the stepped hole 113 and the adjustable unit 12 to seal the stepped hole 113 and the adjustable unit 12 to prevent water leakage.

[0043] like Figure 3 As shown, the nozzle seat 11 is provided with an outer hexagonal edge 111 to facilitate tightening with a wrench.

[0044] like Figure 8 As shown, the pipe body assembly 2 includes a pipe joint 21, the top of which is provided with an external thread, and the nozzle seat 11 is provided with an internal thread matching the external thread on the pipe joint 21. The bottom of the pipe joint 21 is provided with a pipe head limiting protrusion 23, and the pipe joint 21 is also provided with a loose nut 22 that cooperates with the pipe head limiting protrusion 23 and is spirally fixedly connected to the water inlet pipe.

[0045] During the specific assembly, first remove the nozzle seat 11, place the special-shaped sealing ring 15 in the stepped hole 113, place the adjustable unit 12 with a set height and a set shape of the spray hole 122 in the stepped hole 113, place the gland countersunk hole 131 of the gland 13 corresponding to the adjusting screw 123 of the adjustable unit 12, and the fastening bolt 14 is screwed with the threaded hole 114 of the baffle. Then the water in the water inlet pipe passes through the pipe body assembly 2 and the nozzle seat 11 in turn into the adjustable unit 12, and the spray hole 122 sprays water. For the adjustable unit 12 that needs fine-tuning, use a flat tool to directly enter the flat groove 1232 through the gland countersunk hole 131 to adjust the height of the adjusting screw 123. Fine-tune the pressure in the nozzle 121, and then fine-tune the spray position of each spray hole 122, and further accurately control the spray shape.

[0046] It should be noted that the parts not described in detail in the above embodiments are all prior art.

[0047] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention should be covered within the protection scope of the present invention.

Claims

1. An adjustable sprinkler head with controllable spray shape, characterized in that: It comprises a pipe body assembly (2) and a nozzle assembly (1), wherein the pipe body assembly (2) is arranged vertically, and two ends of the pipe body assembly (2) are detachably connected to a water inlet pipe and the nozzle assembly (1) respectively; The nozzle assembly (1) comprises a nozzle seat (11), a baffle structure (112) being horizontally arranged inside the nozzle seat (11), a baffle threaded hole (114) being centrally arranged in the baffle structure (112), a plurality of stepped holes (113) being annularly arranged on the baffle structure (112) along its periphery, and an adjustable unit (12) being vertically arranged on the stepped hole (113); A pressure cover (13) is provided at the top of the adjustable unit (12), and a fastening bolt (14) is vertically provided in the center of the pressure cover (13) and passes through the interior thereof, and the fastening bolt (14) is screwedly connected to the threaded hole (114) of the baffle plate; The adjustable unit (12) comprises a nozzle (121), the nozzle (121) is provided with nozzle holes (122) of different shapes, and the top of the nozzle (121) is provided with a height-adjustable adjustment screw (123).

2. The adjustable sprinkler head with controllable spray shape according to claim 1, characterized in that: The outer side of the nozzle (121) is provided with a positioning surface (124) matching the stepped hole (113).

3. The adjustable sprinkler head with controllable spray shape according to claim 1, characterized in that: The adjusting screw (123) comprises a polished rod structure (1231), a water-passing inclined surface (1233) is provided at the bottom of the polished rod structure (1231), an external thread is provided on the polished rod structure (1231), and an internal thread matching the external thread on the polished rod structure (1231) is provided at the top of the nozzle (121).

4. The adjustable sprinkler head with controllable spray shape according to claim 3, characterized in that: The top of the bare rod structure (1231) is provided with a straight groove (1232).

5. The adjustable sprinkler head with controllable spray shape according to claim 4, characterized in that: The gland (13) is provided with gland countersunk holes (131) at positions corresponding to the nozzles (121).

6. The adjustable sprinkler head with controllable spray shape according to claim 5, characterized in that: A sealing gasket groove (132) is provided on the gland countersunk hole (131).

7. The adjustable sprinkler head with controllable spray shape according to claim 1, characterized in that: A special-shaped sealing ring (15) is provided between the stepped hole (113) and the adjustable unit (12).

8. The adjustable sprinkler head with controllable spray shape according to claim 1, characterized in that: The nozzle seat (11) is provided with an outer hexagonal edge (111) on the outside.

9. The adjustable sprinkler head with controllable spray shape according to claim 1, characterized in that: The pipe body assembly (2) comprises a pipe joint (21), the top of the pipe joint (21) is provided with an external thread, and the nozzle seat (11) is provided with an internal thread matching the external thread on the pipe joint (21).

10. The adjustable sprinkler head with controllable spray shape according to claim 1, characterized in that: A pipe head limiting protrusion (23) is provided at the bottom of the pipe joint (21), and a loose joint nut (22) is also provided on the pipe joint (21) to cooperate with the pipe head limiting protrusion (23) and to be spirally fixedly connected to the water inlet pipe.

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