Adjustable rotating nozzle

Abstract

The present invention discloses an adjustable rotating nozzle, which relates to the technical field of spray heads and nozzle equipment, including a water inlet joint fixedly installed on one side of a back shell, one end of the water inlet joint fixedly connected to the water inlet of a main body, a water outlet of the main body fixedly connected to a water outlet joint, an impeller arranged inside the main body, a worm fixedly installed on the top of the impeller, a worm wheel meshingly connected to the outer side of the worm, a reduction gear set meshingly connected to the outer side of the worm wheel, a transmission assembly arranged on one side of the reduction gear set, a nozzle rotating seat fixedly installed on one side of the transmission assembly, one end of the nozzle rotating seat connected to the water outlet joint, and a nozzle fixedly installed on the other end of the nozzle rotating seat. The nozzle rotating seat and the nozzle of the adjustable rotating nozzle of the present invention can flexibly swing back and forth within a set angle, the spray angle is adjustable, the angle setting is convenient to increase the range, improve the atomization effect, the structure is reasonable, the failure rate is reduced, and the practicality is increased.

Description

Technical Field

[0001] The invention relates to the technical field of spray heads and nozzle equipment, in particular to an adjustable rotating nozzle. Background Art

[0002] At present, rotary nozzles are mainly used in the following fields: irrigation, fire fighting, dust removal, landscape spraying, etc. The nozzle is a key equipment that affects the quality of sprinkler irrigation. Sprinkler irrigation technology is one of the most important water-saving irrigation technologies in the world today, with a wide range of applications and adaptability. In sprinkler irrigation equipment, the rotary nozzles currently used in large quantities are swing-retractable arm nozzles, which are composed of flow channels, rotary sealing mechanisms, drive mechanisms, reversing mechanisms, etc. The drive mechanism is composed of rocker arms, rocker arm shafts, rocker arm springs, spring seats, etc. The structure is relatively complex and the energy conversion rate is not high.

[0003] Most of the existing rotary nozzles are of rocker arm type, which rely on the cooperation of hydraulic power and return spring to perform rotational motion. Due to structural reasons, there will be jamming during rotation, and the return spring is prone to fatigue failure during use, resulting in a high failure rate, so there is room for improvement. Summary of the invention

[0004] The purpose of the invention is to provide an adjustable rotating nozzle, which has the beneficial effects of adjustable spray angle, convenient angle setting, increased range, improved atomization effect, reasonable structure, reduced failure rate and increased practicality, so as to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the invention provides the following technical solutions:

[0006] An adjustable rotating nozzle comprises a middle shell, a front shell is fixedly mounted on one side of the middle shell, a back shell is fixedly mounted on the other side of the middle shell, a water inlet joint is fixedly mounted on one side of the back shell, one end of the water inlet joint is fixedly connected to the water inlet of a main body, a water outlet of the main body is fixedly connected to a water outlet joint, an impeller is arranged inside the main body, a worm is fixedly mounted on the top of the impeller, a worm wheel is meshedly connected to the outer side of the worm, a reduction gear set is meshedly connected to the outer side of the worm wheel, a transmission assembly is arranged on one side of the reduction gear set, a nozzle rotating seat is fixedly mounted on one side of the transmission assembly, one end of the nozzle rotating seat is connected to the water outlet joint, and a nozzle is fixedly mounted on the other end of the nozzle rotating seat.

[0007] As a further solution of the invention: the transmission assembly includes a reversing intermediate wheel group and a rotating seat gear, the outer side of the reversing intermediate wheel group is meshed and connected with the rotating seat gear, and the outer side of the reduction gear group is meshed and connected with the reversing intermediate wheel group; a reversing toggle rod is provided on one side of the reversing intermediate wheel group.

[0008] As a further solution of the invention: a fixing screw is fixedly installed on one side of the back shell by bolts, and a threaded cap is internally threadedly connected to one end of the fixing screw.

[0009] As a further solution of the invention: an angle adjustment plate is fixedly installed on the outer side of the nozzle rotating seat; a fixing screw is provided on the outer side of the angle adjustment plate, and the angle adjustment plate is fixedly connected to the nozzle rotating seat through the fixing screw.

[0010] As a further solution of the invention: the worm is transmission-connected to the reduction gear set through the worm wheel; and a reversing torsion spring is provided on the surface of the reduction gear set.

[0011] As a further solution of the invention: the rotating seat gear is relatively fixedly connected to the nozzle rotating seat, and the nozzle rotating seat is rotatably installed on the front shell.

[0012] As a further solution of the invention: the transmission assembly includes a transmission rack and a gear, and the bottom of the transmission rack is meshingly connected with the gear.

[0013] As a further solution of the invention: the worm is connected to the reduction gear set through a worm wheel, a rocker is provided on one side of the reduction gear set, one end of the rocker is movably connected to the transmission rack, and the reduction gear set is connected to the transmission rack through the rocker.

[0014] Compared with the prior art, the invention has the following beneficial effects:

[0015] 1. The adjustable rotating nozzle of the present invention uses a rotating seat gear, an angle adjustment plate, a reversing toggle rod, a reversing intermediate wheel group and a reversing torsion spring in coordination, so that the nozzle rotating seat and the nozzle can flexibly reciprocate within a set angle, the spraying angle is adjustable, the angle setting is convenient, and the product quality is superior and the installation is convenient, which meets the market demand.

[0016] 2. The adjustable rotating nozzle, through the coordinated use of the main body, water inlet joint, impeller, worm gear, reduction gear set, worm, rotating seat gear, angle adjustment plate, reversing toggle lever, reversing intermediate gear set and reversing torsion spring, enables the nozzle rotating seat and the nozzle to increase the range and atomization effect under rated pressure, with reasonable structure, reduced failure rate and increased practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the adjustable rotating nozzle in Example 1 of the present invention.

[0018] Figure 2 It is a side view of the adjustable rotating nozzle in Example 1 of the present invention.

[0019] Figure 3 It is a side view of the adjustable rotating nozzle in Embodiment 1 of the present invention from another direction.

[0020] Figure 4 for Figure 3 Cross-sectional view along MM.

[0021] Figure 5 This is a schematic diagram of the structure of the adjustable rotating nozzle in Example 1 of the present invention without the front shell and the middle shell.

[0022] Figure 6 This is a schematic diagram of the structure of the adjustable rotating nozzle in Example 2 of the present invention.

[0023] Figure 7 It is a side view of the adjustable rotating nozzle in Example 2 of the present invention.

[0024] Figure 8 It is a side view from another direction of the adjustable rotating nozzle in Example 2 of the present invention.

[0025] Fig. 9 for Figure 8 Sectional view along AA.

[0026] Fig.10 for Figure 8 Cross-sectional view along BB.

[0027] Fig.11 This is a schematic diagram of the structure of the adjustable rotating nozzle in Example 2 of the present invention without the front shell and the middle shell.

[0028] Markings in the figure:

[0029] 1. Main body; 2. Fixed screw; 3. Impeller; 4. Water outlet joint; 5. Threaded cap; 15. Front housing; 17. Reversing torsion spring; 19. Reversing toggle lever; 20. Nozzle rotating seat; 21. Nozzle; 25. Reversing intermediate gear set; 28. Back housing; 29. ​​Middle housing; 30. Water inlet joint; 31. Worm; 32. Worm wheel; 33. Reduction gear set; 34. Rotating seat gear; 43. Angle adjustment plate; 47. Set screw.

[0030] 50. Transmission rack; 51. Gear; 52. Rocker. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the invention to clearly and completely describe the technical solutions in the embodiments of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, not all of the embodiments. Based on the embodiments in the invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the invention.

[0032] Embodiment 1:

[0033] Please refer to the attached Figures 1 to 5 In the embodiment of the present invention, an adjustable rotating nozzle is provided. Figures 1 to 3 , including a middle shell 29, a front shell 15 is fixedly installed on one side of the middle shell 29, and a back shell 28 is fixedly installed on the other side of the middle shell 29. By setting the cooperation between the front shell 15, the middle shell 29 and the back shell 28, the mechanical parts inside the shell are effectively protected, the damage of the internal mechanical parts is reduced, thereby reducing the maintenance cost. A water inlet joint 30 is fixedly installed on one side of the back shell 28, and one end of the water inlet joint 30 is fixedly connected to the water inlet of the main body 1. By setting the water inlet joint 30, it is convenient to connect the external water pipe joint with the water inlet joint 30, and the installation is convenient. The water outlet of the main body 1 is fixedly connected to a water outlet joint 4; please refer to the attached Figures 4-5 The main body 1 is provided with an impeller 3 inside, a worm 31 is fixedly installed on the top of the impeller 3, a worm wheel 32 is meshedly connected to the outer side of the worm 31, and a reduction gear set 33 is meshedly connected to the outer side of the worm wheel 32. By arranging the cooperation between the impeller 3 and the worm 31 and the worm wheel 32 and the reduction gear set 33, under the pressure of the water flow, power is provided to the impeller 3 so that the impeller 3 rotates to drive the worm 31 to rotate, thereby making the worm wheel 32 and the reduction gear set 33 rotate better; further, a reversing torsion spring 17 is provided on the surface of the reduction gear set 33; further, a transmission assembly is meshedly connected to the outer side of the reduction gear set 33. In this embodiment, the transmission assembly includes a reversing intermediate gear set 25 and a rotating seat gear 34. The outer side of the reversing intermediate gear set 25 is meshedly connected to the rotating seat gear 34. A nozzle rotating seat 20 is fixedly installed on one side of the rotating seat gear 34. The nozzle rotating seat 2 0 is connected to the water outlet joint 4 at one end, and the nozzle 21 is fixedly installed at the other end of the nozzle rotating seat 20; the present invention uses the rotating seat gear 34, the angle adjustment plate 43, the reversing toggle rod 19, the reversing intermediate wheel group 25 and the reversing torsion spring 17 in coordination, so that the nozzle rotating seat 20 and the nozzle 21 can flexibly reciprocate within the set angle, the spray angle is adjustable, the angle setting is convenient, and the product quality is high, the installation is convenient, and the market demand is met; the present invention uses the main body 1, the water inlet joint 30, the impeller 3, the worm wheel 32, the reduction gear group 33, the worm 31, the rotating seat gear 34, the angle adjustment plate 43, the reversing toggle rod 19, the reversing intermediate wheel group 25 and the reversing torsion spring 17 in coordination, so that the nozzle rotating seat 20 and the nozzle 21 can increase the range and enhance the atomization effect under the rated pressure, with a reasonable structure, a reduced failure rate and increased practicality.

[0034] Please refer to the attached Figures 4-5The transmission assembly includes a reversing intermediate wheel group 25 and a rotating seat gear 34, the outer side of the reversing intermediate wheel group 25 is meshed and connected with the rotating seat gear 34, and the outer side of the reduction gear group 33 is meshed and connected with the reversing intermediate wheel group 25; a reversing toggle rod 19 is provided on one side of the reversing intermediate wheel group 25, and the nozzle rotating seat 20 and the angle adjustment plate 43 and the reversing torsion spring 17 and the reversing intermediate wheel group 25 are arranged, so that the nozzle rotating seat 20 and the nozzle 21 can flexibly reciprocate within the set angle, the injection angle is adjustable, the angle setting is convenient, and the installation is convenient, which meets the market demand.

[0035] Please refer to the attached Figure 5 An angle adjustment plate 43 is fixedly installed on the outer side of the nozzle rotating seat 20, and a fixing screw 47 is provided on the outer side of the angle adjustment plate 43, and the angle adjustment plate 43 is fixedly connected to the nozzle rotating seat 20 through the fixing screw 47. By setting the angle adjustment plate 43, the fixing screw 47 and the nozzle rotating seat 20, the nozzle rotating seat 20 and the nozzle 21 can flexibly swing back and forth within the set angle, the spray angle is adjustable, the angle setting is convenient, the range is increased, the atomization effect is improved, and the structure is reasonable.

[0036] Specifically, the worm 31 is connected to the reduction gear set 33 through the worm wheel 32. By arranging the cooperation between the worm 31, the worm wheel 32 and the reduction gear set 33, the nozzle 21 can be better made to reciprocate within a set angle.

[0037] Specifically, the rotating seat gear 34 is relatively fixedly connected to the nozzle rotating seat 20, and the nozzle rotating seat 20 is rotatably installed on the front shell 15. By setting the rotating seat gear 34, the nozzle rotating seat 20 and the front shell 15 in coordination, the nozzle 21 can be better rotated and sprayed.

[0038] Specifically, a fixing screw 2 is installed on one side of the back shell 28 by bolt fixation, and a threaded cap 5 is internally threadedly connected to one end of the fixing screw 2. By setting the fixing screw 2 and the threaded cap 5 in coordination, the front shell 15, the middle shell 29 and the back shell 28 can be stably fixed, thereby providing better protection for the internal mechanical parts.

[0039] Working principle of the adjustable rotating nozzle in Example 1 of the present invention: Figures 4-5When in use, high-pressure liquid enters the main body 1 through the water inlet joint 30, and the high-speed flowing liquid impacts the impeller 3, thereby providing the rated pressure. The rotation of the impeller 3 drives the worm 31 to rotate, and after being decelerated by the worm wheel 32 and the reduction gear group 33, the reversing intermediate gear group 25 is rotated, and the nozzle rotating seat 20 is driven to rotate through the rotating seat gear 34 meshing with the reversing intermediate gear group 25. When it rotates to a set angle, the angle adjustment plate 43 fixed on the nozzle rotating seat 20 by the set screw 47 toggles the reversing toggle rod 19, and the spring force of the reversing torsion spring 17 forces the reversing intermediate gear group 25 to separate from the rotating seat gear 34 and then mesh in the opposite direction to achieve reversal, and finally makes the nozzle 21 swing back and forth within a set angle (30-360°).

[0040] Embodiment 2:

[0041] Please refer to the attached Figures 6 to 11 The embodiment of the present invention provides an adjustable rotating nozzle, please refer to the attached Figures 6 to 8 , including a middle shell 29, a front shell 15 is fixedly installed on one side of the middle shell 29, and a back shell 28 is fixedly installed on the other side of the middle shell 29. By setting the cooperation between the front shell 15, the middle shell 29 and the back shell 28, the mechanical parts inside the shell are effectively protected, the damage of the internal mechanical parts is reduced, and thus the maintenance cost is reduced. Please refer to the attached Fig. 9 A water inlet connector 30 is fixedly installed on one side of the back shell 28, and the main body 1 is fixedly installed on one end of the water inlet connector 30. By setting the water inlet connector 30, it is convenient to connect the external water pipe connector with the water inlet connector 30, and the installation is convenient; please refer to the attached Figures 10-11The main body 1 is provided with an impeller 3 inside, a worm 31 is fixedly installed on the top of the impeller 3, the outer side of the worm 31 is meshedly connected with a worm wheel 32, the outer side of the worm wheel 32 is meshedly connected with a reduction gear set 33, and a rocker 52 is provided on one side of the reduction gear set 33. By setting the impeller 3 and the worm 31 and the worm wheel 32 and the reduction gear set 33, under the pressure of the water flow, the impeller 3 is provided with power, so that the impeller 3 rotates to drive the worm 31 to rotate, thereby rotating the reduction gear set 33 and the worm wheel 32, and the rocker 52 rotates stably, improving the smoothness, having a reasonable structure, and reducing the failure rate. In this embodiment, the transmission assembly includes a transmission rack 50 and a gear 51, one end of the rocker 52 is movably connected with a transmission rack 50, the bottom of the transmission rack 50 is meshed with a gear 51, one side of the gear 51 is provided with a water outlet joint 4, the inside of the water outlet joint 4 is fixedly installed with a nozzle rotating seat 20, and the inside of the nozzle rotating seat 20 is fixedly installed with a nozzle 21. By setting the rocker 52 and the transmission rack 50 and the gear 51 and the water outlet joint 4, the rocker 52 makes a reciprocating motion, thereby driving the transmission rack 50 and the gear 51 to move, driving the water outlet joint 4 to rotate, so that the nozzle rotating seat 20 and the nozzle 21 swing back and forth, under the rated pressure, the range is improved, the atomization effect is improved, and the practicality is increased.

[0042] For details, please refer to the attached Fig.11 A fixing screw 2 is fixed on one side of the back shell 28 by bolts, and a threaded cap 5 is connected to the internal thread of one end of the fixing screw 2. By setting the fixing screw 2 and the threaded cap 5, the front shell 15, the middle shell 29 and the back shell 28 can be stably fixed, so as to better protect the internal mechanical parts.

[0043] For details, please refer to the attached Figures 10-11 The worm 31 is connected to the reduction gear set 33 through the worm wheel 32, and the reduction gear set 33 is connected to the transmission rack 50 through the rocker 52. By setting the cooperation between the worm 31, the worm wheel 32 and the reduction gear set 33, the rocker 52 is better driven to move, so that the transmission rack 50 can reciprocate, thereby driving the water outlet joint 4 to rotate so that the nozzle rotating seat 20 and the nozzle 21 reciprocate 180 degrees. Furthermore, the worm wheel 32 is rotatably connected to the back shell 28 through the rotating shaft, and the threaded cap 5 is set to make the installation of the shell more stable and firm, and strengthen the protection of the internal parts.

[0044] Specifically, the water inlet joint 30 is threadedly connected to the external water pipe, and the water outlet joint 4 is fixedly connected to the nozzle rotating seat 20. By setting the cooperation between the water inlet joint 30 and the water outlet joint 4, external water can flow in through the water inlet joint 30 and then flow out through the water outlet joint 4. The product has high quality, small size and easy installation.

[0045] Working principle of the adjustable rotating nozzle in Example 2 of the present invention: Figures 10-11 When in use, high-pressure liquid enters the main body 1 through the water inlet joint 30, and the high-speed flowing liquid impacts the impeller 3, thereby providing the rated pressure. The rotation of the impeller 3 drives the worm 31 to rotate, and after being decelerated by the worm wheel 32 and the reduction gear set 33, it drives the rocker 52 to move. The rocker 52 moves the transmission rack 50, so that the nozzle rotating seat 20 and the nozzle 21 make a 180-degree reciprocating swing, thereby increasing the range and improving the atomization effect. In addition, the product has high quality, small size and easy installation.

[0046] The nozzle rotating seat 20 and the nozzle 21 of the adjustable rotating nozzle of the present invention can flexibly swing back and forth within a set angle, the spray angle is adjustable, the angle setting is convenient, the range is increased, the atomization effect is improved, the structure is reasonable, the failure rate is reduced, and the practicality is increased.

[0047] Although the invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the invention should be included in the scope of protection of the invention.

Claims

1. An adjustable rotating nozzle, characterized in that: It comprises a middle shell, a front shell is fixedly installed on one side of the middle shell, a back shell is fixedly installed on the other side of the middle shell, a water inlet joint is fixedly installed on one side of the back shell, one end of the water inlet joint is fixedly connected to the water inlet of the main body, the water outlet of the main body is fixedly connected to a water outlet joint, an impeller is arranged inside the main body, a worm is fixedly installed on the top of the impeller, a worm wheel is meshedly connected to the outer side of the worm, a reduction gear set is meshedly connected to the outer side of the worm wheel, a transmission assembly is arranged on one side of the reduction gear set, a nozzle rotating seat is fixedly installed on one side of the transmission assembly, one end of the nozzle rotating seat is connected to the water outlet joint, and a nozzle is fixedly installed on the other end of the nozzle rotating seat; An angle adjustment plate is fixedly mounted on the outer side of the nozzle rotating seat; a set screw is arranged on the outer side of the angle adjustment plate, and the angle adjustment plate is fixedly connected to the nozzle rotating seat through the set screw; The transmission assembly includes a reversing intermediate wheel group and a rotating seat gear, the outer side of the reversing intermediate wheel group is meshed and connected with the rotating seat gear, and the outer side of the reduction gear group is meshed and connected with the reversing intermediate wheel group; a reversing toggle rod is provided on one side of the reversing intermediate wheel group; The worm is connected to the reduction gear set through a worm wheel; a reversing torsion spring is provided on the surface of the reduction gear set; The rotating seat gear is relatively fixedly connected to the nozzle rotating seat, and the nozzle rotating seat is rotatably mounted on the front shell.

2. The adjustable rotating nozzle according to claim 1, characterized in that: A fixing screw is fixedly installed on one side of the back shell by bolts, and a threaded cap is internally threadedly connected to one end of the fixing screw.

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