CN112138884A - Divergent water-saving irrigation spray head and working method - Google Patents
Divergent water-saving irrigation spray head and working method Download PDFInfo
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- CN112138884A CN112138884A CN202010944364.0A CN202010944364A CN112138884A CN 112138884 A CN112138884 A CN 112138884A CN 202010944364 A CN202010944364 A CN 202010944364A CN 112138884 A CN112138884 A CN 112138884A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
- B05B1/169—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets having three or more selectively effective outlets
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Abstract
The invention discloses a divergent water-saving irrigation spray head, which comprises a bracket, wherein a horizontal spray head platform is supported and installed on the bracket, a vertical support column is fixedly arranged on the spray head platform, the upper end of the support column is fixedly connected with a vertical lower barrel, the lower end of the lower barrel is a barrel bottom wall, an upper barrel is coaxially arranged above the lower barrel, and the top end of the upper barrel is a barrel top wall; the space between the lower cylinder and the upper cylinder forms an annular spraying window; therefore, the spray ejected from the seven circles of spray orifices, the sixth circle of spray orifices, the fifth circle of spray orifices, the fourth circle of spray orifices, the third circle of spray orifices, the second circle of spray orifices and the first circle of spray orifices can finally fall within seven different radius ranges, and further the effective irrigation range is increased.
Description
Technical Field
The invention belongs to the field of irrigation.
Background
The spraying elevation angle of the divergent nozzle is fixed, the spraying range is limited, local transitional irrigation is caused, and further water resource waste is caused.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a divergent water-saving irrigation spray head and a working method thereof.
The technical scheme is as follows: in order to achieve the purpose, the divergent water-saving irrigation spray head comprises a support, wherein a horizontal spray head platform is supported and installed on the support, a vertical support column is fixedly arranged on the spray head platform, the upper end of the support column is fixedly connected with a vertical lower barrel, the lower end of the lower barrel is a barrel bottom wall, an upper barrel is coaxially arranged above the lower barrel, and the top end of the upper barrel is a barrel top wall; the distance between the lower cylinder and the upper cylinder forms an annular spraying window.
Furthermore, an elevation angle adjusting valve core capable of moving up and down is arranged in a combined structure formed by the lower cylinder and the upper cylinder, the downward displacement of the elevation angle adjusting valve core can enable the elevation angle of jet flow emitted by the jet window to be gradually increased, and the upward displacement of the elevation angle adjusting valve core can enable the elevation angle of jet flow emitted by the jet window to be gradually decreased.
Further, a first sealing inner edge is arranged on the inner wall of the upper end of the lower barrel, and a second sealing inner edge is arranged on the inner wall of the lower end of the upper barrel;
the elevation angle adjusting valve core comprises an outer cylinder wall, an inner cylinder wall is coaxially arranged in the outer cylinder wall, an annular column-shaped water distribution cavity is formed between the outer cylinder wall and the inner cylinder wall, the top end of the water distribution cavity is a valve core top wall, and the bottom end of the water distribution cavity is a valve core bottom wall; the outer wall of the outer cylinder wall is a valve core outer wall surface; the upper end of the outer wall surface of the valve core is integrally provided with a first sealing outer edge, and the lower end of the outer wall surface of the valve core is integrally provided with a second sealing outer edge;
the first sealing inner edge and the second sealing inner edge are in sliding sealing fit with the outer wall surface of the valve core, the first sealing outer edge is in sealing sliding fit with the inner wall of the upper cylinder body, and the second sealing outer edge is in sealing sliding fit with the inner wall of the lower cylinder body;
seven circles of spray nozzles are arranged on the outer wall surface of the valve core in an equidistant array along the axis direction, each circle of spray nozzles consists of a plurality of flat spray nozzles distributed in a circumferential array along the axis of the elevation angle adjusting valve core, and the seven circles of spray nozzles can be sequentially communicated with the spray window through the vertical displacement of the elevation angle adjusting valve core.
Furthermore, seven circles of oblique-shooting channels are sequentially arranged in the wall body of the outer cylinder wall from bottom to top, and each circle of oblique-shooting channel is composed of a plurality of flat channels which are distributed in a circumferential array along the axis of the elevation angle adjusting valve core;
the seven circles of oblique jetting channels comprise a first circle of oblique jetting channel, a second circle of oblique jetting channel, a third circle of oblique jetting channel, a fourth circle of oblique jetting channel, a fifth circle of oblique jetting channel, a sixth circle of oblique jetting channel and a seventh circle of oblique jetting channel;
the device comprises a first circle of oblique jetting channels, a second circle of oblique jetting channels, a third circle of oblique jetting channels, a fourth circle of oblique jetting channels, a fifth circle of oblique jetting channels, a sixth circle of oblique jetting channels and a seventh circle of oblique jetting channels; one end close to the axis of the elevation angle adjusting valve core is communicated with the water distribution cavity;
the seven circles of spray orifices are sequentially provided with a first circle of spray orifices, a second circle of spray orifices, a third circle of spray orifices, a fourth circle of spray orifices, a fifth circle of spray orifices, a sixth circle of spray orifices and a seventh circle of spray orifices from bottom to top;
the ends, away from the axis of the elevation angle adjusting valve core, of the first circle of oblique jetting channel, the second circle of oblique jetting channel, the third circle of oblique jetting channel, the fourth circle of oblique jetting channel, the fifth circle of oblique jetting channel, the sixth circle of oblique jetting channel and the seventh circle of oblique jetting channel are respectively provided with a first circle of spray jet, a second circle of spray jet, a third circle of spray jet, a fourth circle of spray jet, a fifth circle of spray jet, a sixth circle of spray jet and a seventh circle of spray jet;
the angles formed by the first circle of oblique incidence channel, the second circle of oblique incidence channel, the third circle of oblique incidence channel, the fourth circle of oblique incidence channel, the fifth circle of oblique incidence channel, the sixth circle of oblique incidence channel and the seventh circle of oblique incidence channel with the horizontal plane are respectively 0 degree, 10 degrees, 20 degrees, 30 degrees, 40 degrees, 50 degrees and 60 degrees.
Further, an upper transition ring cavity is formed between the first sealing outer edge and the second sealing inner edge; a lower transition ring cavity is formed between the second sealing outer edge and the first sealing inner edge;
when only the first circle of spray orifices are communicated with the spray window, the second circle of spray orifices, the third circle of spray orifices, the fourth circle of spray orifices, the fifth circle of spray orifices, the sixth circle of spray orifices and the seventh circle of spray orifices are communicated with the upper transition ring cavity, the lower transition ring cavity is not communicated with any circle of spray orifices, and the lower transition ring cavity is marked as a lower temporary sealing cavity;
when only the seventh circle of spray orifices are communicated with the spray window, the first circle of spray orifices, the second circle of spray orifices, the third circle of spray orifices, the fourth circle of spray orifices, the fifth circle of spray orifices and the sixth circle of spray orifices are communicated with the lower transition ring cavity, the upper transition ring cavity is not communicated with any circle of spray orifices, and the upper transition ring cavity is marked as an upper temporary sealing cavity;
a vertical water pipe penetrating channel is formed in the inner cylinder wall, the vertical water pipe penetrates through the channel and penetrates through the hard water pipe coaxially, the upper end of the hard water pipe is fixedly connected with the top wall of the cylinder coaxially, and the lower end of the hard water pipe is fixedly connected with the bottom wall of the cylinder coaxially; the interior of the hard water pipe is a vertical water inlet channel;
a plurality of O-shaped ring sealing grooves are formed in the inner wall of the inner cylinder wall, O-shaped sealing rings are arranged in the O-shaped ring sealing grooves, and the inner rings of the O-shaped sealing rings are in sliding fit with the outer wall of the hard water pipe; an upper water inlet cavity is formed between the top wall of the valve core and the top wall of the cylinder, and a lower water inlet cavity is formed between the bottom wall of the valve core and the bottom wall of the cylinder; the O-shaped sealing ring isolates the upper water inlet cavity from the lower water inlet cavity;
a plurality of communication holes are circumferentially distributed on the wall body at the upper end of the hard water pipe in an array manner, and the communication holes mutually communicate the upper end of the water inlet channel with the upper water inlet cavity;
the constant-pressure water supply system also comprises a constant-pressure water supply pipe and a three-way electromagnetic valve, wherein the water outlet end of the constant-pressure water supply pipe is communicated with the water inlet end of the three-way electromagnetic valve, and the two water outlet ends of the three-way electromagnetic valve are respectively communicated with a first branch pipe and a second branch pipe; the first branch pipe is communicated with the lower water inlet cavity, and the second branch pipe is communicated with the lower end of the water inlet channel; the water drain pipe also comprises a first water drain pipe and a second water drain pipe;
a first electromagnetic on-off valve is installed on the first water drain pipe, and a second electromagnetic on-off valve is installed on the second water drain pipe;
one end of the first water drain pipe is connected to the top wall of the barrel and communicated with the upper water inlet cavity, and the other end of the first water drain pipe is connected to the upper end wall body of the lower barrel and communicated with the upper end of the lower transition annular cavity;
one end of the second water drain pipe is connected to the bottom wall of the barrel and communicated with the lower water inlet cavity, and the other end of the second water drain pipe is connected to the lower end wall body of the upper barrel and communicated with the lower end of the upper transition annular cavity.
Furthermore, the O-shaped sealing ring is made of elastic rubber.
Furthermore, the height difference between the first sealing inner edge and the second sealing inner edge is set to be H, the height difference between every two adjacent circles of spray outlets in the seven circles of spray outlets is set to be H, and the condition that 2H is more than H and more than H is met; therefore, the spraying window is always communicated with at least one circle of spray orifices and at most two circles of spray orifices.
Furthermore, a fixed seat is arranged at the bottom of the support.
Further, a working method of the divergent water-saving irrigation spray head comprises the following steps:
in the process of downward displacement of the elevation angle adjusting valve core, the first circle of spray orifices, the second circle of spray orifices, the third circle of spray orifices, the fourth circle of spray orifices, the fifth circle of spray orifices, the sixth circle of spray orifices and the seventh circle of spray orifices are sequentially communicated with a spray window, when the seventh circle of spray orifices are communicated with the spray window, the first circle of spray orifices, the second circle of spray orifices, the third circle of spray orifices, the fourth circle of spray orifices, the fifth circle of spray orifices and the sixth circle of spray orifices are communicated with the lower transition ring cavity, the upper transition ring cavity is not communicated with any circle of spray orifices, the upper transition ring cavity is just converted into an upper temporary sealed cavity, the second drainage pipe cannot continuously drain water in the lower water inlet cavity, and the elevation angle adjusting valve core cannot continuously descend at the moment, so that the brake effect on the elevation angle adjusting valve core is achieved, conditions are provided for the next movement cycle.
Has the advantages that: according to the invention, the jetting elevation angles of the spray ejected by the seven circles of spray nozzles, the sixth circle of spray nozzles, the fifth circle of spray nozzles, the fourth circle of spray nozzles, the third circle of spray nozzles, the second circle of spray nozzles and the first circle of spray nozzles are changed gradually, so that the spray ejected by the seven circles of spray nozzles, the sixth circle of spray nozzles, the fifth circle of spray nozzles, the fourth circle of spray nozzles, the third circle of spray nozzles, the second circle of spray nozzles and the first circle of spray nozzles can finally fall in seven different radius ranges, and the effective irrigation range is further increased.
Drawings
FIG. 1 is a front view of the overall structure of the device;
FIG. 2 is a schematic perspective view of the apparatus;
FIG. 3 is a schematic top view of FIG. 2;
FIG. 4 is a schematic view of the beginning of step one or the end of step two;
FIG. 5 is a schematic view of the process of step one or step two (elevation angle adjustment valve core up or down)
FIG. 6 is a schematic representation of the end of step one or the beginning of step two;
FIG. 7 is a schematic view of an elevation angle adjustment valve core;
FIG. 8 is a schematic view of a first cut-away configuration of an elevation adjustment valve cartridge;
fig. 9 is a second sectional structure diagram of the elevation angle adjusting valve core.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The divergent water-saving irrigation spray head shown in fig. 1 to 9 comprises a support 13, wherein a horizontal spray head platform 12 is supported and mounted on the support 13, a vertical support column 11 is fixedly arranged on the spray head platform 12, a vertical lower barrel 16 is fixedly connected to the upper end of the support column 12, the lower end of the lower barrel 16 is a barrel bottom wall 92, an upper barrel 15 is coaxially arranged above the lower barrel 16, and the top end of the upper barrel 15 is a barrel top wall 101; the distance between the lower cylinder 16 and the upper cylinder 15 forms an annular spray window 27.
An elevation angle adjusting valve core 0 capable of moving up and down is arranged in a combined structure formed by the lower cylinder 16 and the upper cylinder 15, the downward displacement of the elevation angle adjusting valve core 0 can enable the elevation angle of the jet flow emitted by the jet window 27 to be gradually increased, and the upward displacement of the elevation angle adjusting valve core 0 can enable the elevation angle of the jet flow emitted by the jet window 27 to be gradually decreased.
A first sealing inner edge 25 is arranged on the inner wall of the upper end of the lower cylinder 16, and a second sealing inner edge 22 is arranged on the inner wall of the lower end of the upper cylinder 15;
the elevation angle adjusting valve element 0 comprises an outer cylinder wall 91, an inner cylinder wall 51 is coaxially arranged in the outer cylinder wall 91, an annular column-shaped water distribution cavity 81 is formed between the outer cylinder wall 91 and the inner cylinder wall 51, the top end of the water distribution cavity 81 is a valve element top wall 41, and the bottom end of the water distribution cavity 81 is a valve element bottom wall 42; the outer wall of the outer cylinder wall 91 is a valve core outer wall surface 8; the upper end of the valve core outer wall surface 8 is integrally provided with a first sealing outer edge 30, and the lower end of the valve core outer wall surface 8 is integrally provided with a second sealing outer edge 29;
the first sealing inner edge 25 and the second sealing inner edge 22 are in sliding sealing fit with the outer wall surface 8 of the valve core, the first sealing outer edge 30 is in sealing sliding fit with the inner wall of the upper cylinder body 15, and the second sealing outer edge 29 is in sealing sliding fit with the inner wall of the lower cylinder body 16;
seven circles of spray nozzles 23 are arranged on the outer wall surface 8 of the valve core in an equidistant array along the axis direction, each circle of spray nozzles 23 consists of a plurality of flat nozzles distributed in a circumferential array along the axis of the elevation angle adjusting valve core 0, and the seven circles of spray nozzles 23 can be sequentially communicated with the spray window 27 through the vertical displacement of the elevation angle adjusting valve core 0.
Seven circles of oblique firing channels 24 are sequentially arranged in the wall body of the outer cylinder wall 91 from bottom to top, and each circle of oblique firing channel 24 is composed of a plurality of flat channels which are circumferentially distributed in an array along the axis of the elevation angle adjusting valve core 0;
the seven circles of oblique shooting channels 24 comprise a first circle of oblique shooting channels 24.1, a second circle of oblique shooting channels 24.2, a third circle of oblique shooting channels 24.3, a fourth circle of oblique shooting channels 24.4, a fifth circle of oblique shooting channels 24.5, a sixth circle of oblique shooting channels 24.6 and a seventh circle of oblique shooting channels 24.7;
the oblique shooting device comprises a first circle of oblique shooting channels 24.1, a second circle of oblique shooting channels 24.2, a third circle of oblique shooting channels 24.3, a fourth circle of oblique shooting channels 24.4, a fifth circle of oblique shooting channels 24.5, a sixth circle of oblique shooting channels 24.6 and a seventh circle of oblique shooting channels 24.7; one end close to the axis of the elevation angle adjusting valve core 0 is communicated with the water distribution cavity 81;
the seven circles of spray orifices 23 are sequentially a first circle of spray orifices 23.1, a second circle of spray orifices 23.2, a third circle of spray orifices 23.3, a fourth circle of spray orifices 23.4, a fifth circle of spray orifices 23.5, a sixth circle of spray orifices 23.6 and a seventh circle of spray orifices 23.7 from bottom to top;
the ends, away from the axis of the elevation adjusting valve core 0, of the first circle of oblique jet channel 24.1, the second circle of oblique jet channel 24.2, the third circle of oblique jet channel 24.3, the fourth circle of oblique jet channel 24.4, the fifth circle of oblique jet channel 24.5, the sixth circle of oblique jet channel 24.6 and the seventh circle of oblique jet channel 24.7 are respectively a first circle of spray jet 23.1, a second circle of spray jet 23.2, a third circle of spray jet 23.3, a fourth circle of spray jet 23.4, a fifth circle of spray jet 23.5, a sixth circle of spray jet 23.6 and a seventh circle of spray jet 23.7;
the angles between the first circle of oblique incidence channel 24.1, the second circle of oblique incidence channel 24.2, the third circle of oblique incidence channel 24.3, the fourth circle of oblique incidence channel 24.4, the fifth circle of oblique incidence channel 24.5, the sixth circle of oblique incidence channel 24.6 and the seventh circle of oblique incidence channel 24.7 and the horizontal plane are respectively 0 degree, 10 degree, 20 degree, 30 degree, 40 degree, 50 degree and 60 degree.
An upper transition ring cavity 21 is formed between the first sealing outer edge 30 and the second sealing inner edge 22; a lower transition annular cavity 26 is formed between the second sealing outer edge 29 and the first sealing inner edge 25;
when only the first circle of spray orifices 23.1 are communicated with the spray window 27, the second circle of spray orifices 23.2, the third circle of spray orifices 23.3, the fourth circle of spray orifices 23.4, the fifth circle of spray orifices 23.5, the sixth circle of spray orifices 23.6 and the seventh circle of spray orifices 23.7 are communicated with the upper transition ring cavity 21, the lower transition ring cavity 26 is not communicated with any circle of spray orifices 23, and the lower transition ring cavity 26 is marked as a lower temporary sealing cavity 26.1;
when only the seventh circle of spray orifices 23.7 are communicated with the spray window 27, the first circle of spray orifices 23.1, the second circle of spray orifices 23.2, the third circle of spray orifices 23.3, the fourth circle of spray orifices 23.4, the fifth circle of spray orifices 23.5 and the sixth circle of spray orifices 23.6 are communicated with the lower transition ring cavity 26, the upper transition ring cavity 21 is not communicated with any circle of spray orifices 23, and the upper transition ring cavity 21 is marked as an upper temporary sealing cavity 21.1;
a vertical water pipe penetrating channel 32 is arranged in the inner cylinder wall 51, the vertical water pipe penetrates through the channel 32 and penetrates through the hard water pipe 20 coaxially, the upper end of the hard water pipe 20 is fixedly connected with the cylinder top wall 101 coaxially, and the lower end of the hard water pipe 20 is fixedly connected with the cylinder bottom wall 92 coaxially; the interior of the hard water pipe 20 is provided with a vertical water inlet channel 18;
a plurality of O-shaped ring sealing grooves 31.1 are formed in the inner wall of the inner cylinder wall 51, O-shaped sealing rings 31 are arranged in the O-shaped ring sealing grooves 31.1, and the inner rings of the O-shaped sealing rings 31 are in sliding fit with the outer wall of the hard water pipe 20; an upper water inlet cavity 19 is formed between the valve core top wall 41 and the cylinder top wall 101, and a lower water inlet cavity 28 is formed between the valve core bottom wall 42 and the cylinder bottom wall 92; the O-shaped sealing ring 31 isolates the upper water inlet cavity 19 from the lower water inlet cavity 28;
a plurality of communication holes 17 are circumferentially distributed on the upper end wall body of the hard water pipe 20 in an array manner, and the upper end of a water inlet channel 18 is communicated with an upper water inlet cavity 19 through each communication hole 17;
the constant-pressure water supply system also comprises a constant-pressure water supply pipe 1 and a three-way electromagnetic valve 3, wherein the water outlet end of the constant-pressure water supply pipe 1 is communicated with the water inlet end of the three-way electromagnetic valve 3, and the two water outlet ends of the three-way electromagnetic valve 3 are respectively communicated with a first branch pipe 4 and a second branch pipe 2; the first branch pipe 4 is communicated with the lower water inlet cavity 28, and the second branch pipe 2 is communicated with the lower end of the water inlet channel 18; the device also comprises a first water drain pipe 6 and a second water drain pipe 9;
a first electromagnetic on-off valve 7 is installed on the first drain pipe 6, and a second electromagnetic on-off valve 10 is installed on the second drain pipe 9;
one end of the first water drainage pipe 6 is connected to the cylinder top wall 101 and communicated with the upper water inlet cavity 19, and the other end of the first water drainage pipe 6 is connected to the upper end wall body of the lower cylinder 16 and communicated with the upper end of the lower transition annular cavity 26;
one end of the second water drainage pipe 9 is connected to the cylinder bottom wall 92 and communicated with the lower water inlet cavity 28, and the other end of the second water drainage pipe 9 is connected to the lower end wall body of the upper cylinder body 15 and communicated with the lower end of the upper transition annular cavity 21.
The O-ring 31 is made of elastic rubber.
Setting the height difference between the first sealing inner edge 25 and the second sealing inner edge 22 as H, and setting the height difference between every two adjacent circles of the spray nozzles 23 in the seven circles of spray nozzles 23 as H, wherein the height difference satisfies the condition that 2H is more than H and more than H; so that the spray window 27 is always communicated with at least one circle of spray nozzles 23 and at most two circles of spray nozzles 23.
The bottom of the bracket 13 is provided with a fixed seat 14.
A working method of a divergent water-saving irrigation spray head;
in the process of downward displacement of the elevation angle adjusting valve core 0, the first circle of spray nozzles 23.1, the second circle of spray nozzles 23.2, the third circle of spray nozzles 23.3, the fourth circle of spray nozzles 23.4, the fifth circle of spray nozzles 23.5, the sixth circle of spray nozzles 23.6 and the seventh circle of spray nozzles 23.7 are sequentially communicated with the spray window 27, when the seventh circle of spray nozzles 23.7 are communicated with the spray window 27, the first circle of spray nozzles 23.1, the second circle of spray nozzles 23.2, the third circle of spray nozzles 23.3, the fourth circle of spray nozzles 23.4, the fifth circle of spray nozzles 23.5 and the sixth circle of spray nozzles 23.6 are all communicated with the lower transition ring cavity 26, and the upper transition ring cavity 21 is not communicated with any circle of spray nozzles 23 at the moment, the upper transition ring cavity 21 is just converted into the upper temporary sealing cavity 21.1, and the water in the lower cavity 28 cannot be drained continuously by the second water drainage pipe 9, and then the elevation angle adjusting valve core 0 can not continuously descend, thereby playing the role of braking the elevation angle adjusting valve core 0 and providing conditions for the next movement period.
The specific working principle and working steps of the scheme are as follows (fig. 4 is a schematic diagram at the beginning of the step I or at the end of the step II; fig. 5 is a schematic diagram (an elevation angle adjusting valve core moves upwards or downwards) in the process of the step I or the step II; and fig. 6 is a schematic diagram at the end of the step I or at the beginning of the step II):
the method comprises the following steps:
step one, in an initial state, the lower water inlet cavity 28 is filled with water, the first electromagnetic on-off valve 7 is in a closed and blocked state, and the second electromagnetic on-off valve 10 is opened to enable the second water drain pipe 9 to be unblocked;
only the first circle of spray orifices 23.1 are communicated with the spray window 27, at this time, the second circle of spray orifices 23.2, the third circle of spray orifices 23.3, the fourth circle of spray orifices 23.4, the fifth circle of spray orifices 23.5, the sixth circle of spray orifices 23.6 and the seventh circle of spray orifices 23.7 are communicated with the upper transition ring cavity 21, at this time, the lower transition ring cavity 26 is not communicated with any circle of spray orifices 23, and at this time, the lower transition ring cavity 26 is marked as a lower temporary sealing cavity 26.1; at this time, the three-way electromagnetic valve 3 is controlled to enable the second branch pipe 2 to be communicated with the constant-pressure water supply pipe 1, at this time, the water pressure of the constant-pressure water supply pipe 1 is transmitted into the upper water inlet cavity 19 through the water inlet channel 18, and as the first electromagnetic on-off valve 7 is blocked, the water pressure in the upper water inlet cavity 19 can downwards act on the top wall 41 of the valve core, so that the water pressure in the upper water inlet cavity 19 can quickly downwards push the elevation angle adjusting valve core 0, and the volume of the upper water inlet cavity 19 is gradually increased; meanwhile, the downward displacement of the elevation angle adjusting valve core 0 can downwards extrude the lower water inlet cavity 28, so that water originally filled in the lower water inlet cavity 28 is rapidly and continuously extruded into the upper transition ring cavity 21 through the second water drain pipe 9, and at the moment, the upper transition ring cavity 21 is communicated with the water distribution cavity 81 through the second circle of spray nozzle 23.2, the third circle of spray nozzle 23.3, the fourth circle of spray nozzle 23.4, the fifth circle of spray nozzle 23.5, the sixth circle of spray nozzle 23.6 and the seventh circle of spray nozzle 23.7, so that the water extruded into the upper transition ring cavity 21 can be continuously extruded into the water distribution cavity 81, and the water distribution cavity 81 forms stable water pressure; at this time, the first circle of oblique jet channels 24.1 are communicated with the jet windows 27, water in the water distribution cavity 81 is jetted to the periphery from the first circle of spray jet orifices 23.1 through the first circle of oblique jet channels 24.1 under the action of water pressure, the jet windows 27 are communicated with at least one circle of spray jet orifices 23 all the time, so the water pressure in the lower water inlet cavity 28 can be continuously drained through the second drain pipe 9, the elevation angle adjusting valve core 0 can be continuously displaced downwards, the continuous downward displacement of the elevation angle adjusting valve core 0 can enable the first circle of spray jet orifices 23.1, the second circle of spray jet orifices 23.2, the third circle of spray jet orifices 23.3, the fourth circle of spray jet orifices 23.4, the fifth circle of spray jet orifices 23.5, the sixth circle of spray jet orifices 23.6 and the seventh circle of spray jet orifices 23.7 to be communicated with the jet windows 27 one by one, and the first circle of spray jets 23.1, the second circle of spray jet orifices 23.2, the third circle of spray orifices 23.3 in the process, The fourth circle of spray nozzles 23.4, the fifth circle of spray nozzles 23.5, the sixth circle of spray nozzles 23.6 and the seventh circle of spray nozzles 23.7 spray water flowers around one time in sequence; because the jetting elevation angles of the spray ejected by the first circle of spray nozzles 23.1, the second circle of spray nozzles 23.2, the third circle of spray nozzles 23.3, the fourth circle of spray nozzles 23.4, the fifth circle of spray nozzles 23.5, the sixth circle of spray nozzles 23.6 and the seventh circle of spray nozzles 23.7 are changed gradually, the spray ejected from the first circle of spray nozzles 23.1, the second circle of spray nozzles 23.2, the third circle of spray nozzles 23.3, the fourth circle of spray nozzles 23.4, the fifth circle of spray nozzles 23.5, the sixth circle of spray nozzles 23.6 and the seventh circle of spray nozzles 23.7 can finally fall in seven different radius ranges; when the seventh circle of spray nozzles 23.7 are communicated with the spray window 27, the first circle of spray nozzles 23.1, the second circle of spray nozzles 23.2, the third circle of spray nozzles 23.3, the fourth circle of spray nozzles 23.4, the fifth circle of spray nozzles 23.5 and the sixth circle of spray nozzles 23.6 are all communicated with the lower transition ring cavity 26, the upper transition ring cavity 21 is not communicated with any circle of spray nozzles 23, the upper transition ring cavity 21 is just converted into an upper temporary sealing cavity 21.1, the second water drainage pipe 9 cannot continuously drain water in the lower water inlet cavity 28, the elevation angle adjusting valve core 0 cannot continuously descend, and the brake effect on the elevation angle adjusting valve core 0 is achieved;
step two, at this time, the upper water inlet cavity 19 is filled with water, the first electromagnetic on-off valve 7 is controlled to be opened, so that the first water drainage pipe 6 is changed from a blocking state to a unblocked state, and meanwhile, the second electromagnetic on-off valve 10 is closed, so that the second water drainage pipe 9 is blocked; at this time, the three-way electromagnetic valve 3 is controlled to enable the first branch pipe 4 to be communicated with the constant-pressure water supply pipe 1, at this time, the water pressure of the constant-pressure water supply pipe 1 is transmitted into the lower water inlet cavity 28, and because the second electromagnetic on-off valve 10 is plugged at this time, the water pressure in the lower water inlet cavity 28 can upwards act on the valve core bottom wall 42, so that the water pressure in the lower water inlet cavity 28 can quickly upwards push the elevation angle adjusting valve core 0, and the volume of the lower water inlet cavity 28 is gradually increased; meanwhile, the upward displacement of the elevation angle adjusting valve core 0 can extrude the upper water inlet cavity 19 upwards, so that water originally filled in the upper water inlet cavity 19 can be rapidly and continuously extruded into the lower transition annular cavity 26 through the first water drain pipe 6, and at the moment, the lower transition annular cavity 26 is communicated with the water distribution cavity 81 through the first circle of spray nozzle 23.1, the second circle of spray nozzle 23.2, the third circle of spray nozzle 23.3, the fourth circle of spray nozzle 23.4, the fifth circle of spray nozzle 23.5 and the sixth circle of spray nozzle 23.6, so that the water extruded into the lower transition annular cavity 26 can be continuously extruded into the water distribution cavity 81, and the water distribution cavity 81 forms stable water pressure; at this time, the seventh circle of oblique jet channels 24.7 are communicated with the jet window 27, water in the water distribution cavity 81 is jetted to the periphery from the seventh circle of spray nozzles 23.7 through the seventh circle of oblique jet channels 24.7 under the action of water pressure, at least one circle of spray nozzles 23 are always communicated with the jet window 27, so that the water pressure in the upper water inlet cavity 28 can continuously drain through the first water drainage pipe 6, the elevation angle adjusting valve core 0 continuously displaces upwards, the seven circles of spray nozzles 23.7, the sixth circle of spray nozzles 23.6, the fifth circle of spray nozzles 23.5, the fourth circle of spray nozzles 23.4, the third circle of spray nozzles 23.3, the second circle of spray nozzles 23.2 and the first circle of spray nozzles 23.1 are sequentially communicated with the jet window 27 through the continuous upward displacement of the elevation angle adjusting valve core 0, and the seven circles of spray nozzles 23.7, the sixth circle of spray nozzles 23.6, the fifth circle of spray nozzles 23.5, the seventh circle of spray nozzles 23.7, the sixth circle of spray nozzles 23.6, the fifth circle of spray nozzles 23.5, The fourth circle of spray nozzles 23.4, the third circle of spray nozzles 23.3, the second circle of spray nozzles 23.2 and the first circle of spray nozzles 23.1 spray water sprays once to the periphery one time in sequence; because the jetting elevation angles of the spray ejected by the seven-circle spray opening 23.7, the sixth-circle spray opening 23.6, the fifth-circle spray opening 23.5, the fourth-circle spray opening 23.4, the third-circle spray opening 23.3, the second-circle spray opening 23.2 and the first-circle spray opening 23.1 are changed gradually, the spray ejected by the seven-circle spray opening 23.7, the sixth-circle spray opening 23.6, the fifth-circle spray opening 23.5, the fourth-circle spray opening 23.4, the third-circle spray opening 23.3, the second-circle spray opening 23.2 and the first-circle spray opening 23.1 can fall in seven different radius ranges finally; when the first circle of spray nozzles 23.1 are communicated with the spray window 27, the lower transition ring cavity 26 is just converted into a closed temporary sealing cavity 26.1, and the elevation angle adjusting valve core 0 cannot move upwards continuously, so that the brake action on the elevation angle adjusting valve core 0 is achieved, the situation that the communication holes 17 are blocked after the upper water inlet cavity 19 is completely emptied is avoided, and the initial state of the first step is recovered;
and step three, the elevation angle adjusting valve core 0 is periodically displaced up and down in the periodic operation steps I and II, so that the first circle of spray orifices 23.1, the second circle of spray orifices 23.2, the third circle of spray orifices 23.3, the fourth circle of spray orifices 23.4, the fifth circle of spray orifices 23.5, the sixth circle of spray orifices 23.6 and the seventh circle of spray orifices 23.7 are periodically communicated with the spray window 27 one by one, and finally sprayed spray finally falls in seven different radius ranges, thereby achieving the effect of increasing the irrigation area.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. The divergent water-saving irrigation spray head is characterized in that: the sprayer comprises a support (13), wherein a horizontal sprayer platform (12) is supported and installed on the support (13), a vertical supporting column (11) is fixedly arranged on the sprayer platform (12), a vertical lower barrel (16) is fixedly connected to the upper end of the supporting column (12), the lower end of the lower barrel (16) is a barrel bottom wall (92), an upper barrel (15) is coaxially arranged above the lower barrel (16), and the top end of the upper barrel (15) is a barrel top wall (101); the distance between the lower cylinder (16) and the upper cylinder (15) forms an annular spray window (27).
2. The divergent water-saving irrigation sprinkler according to claim 1, characterized in that: an elevation angle adjusting valve core (0) capable of moving up and down is arranged in a combined structure formed by the lower cylinder body (16) and the upper cylinder body (15), the downward displacement of the elevation angle adjusting valve core (0) can enable the elevation angle of jet flow emitted by the jet window (27) to be gradually increased, and the upward displacement of the elevation angle adjusting valve core (0) can enable the elevation angle of jet flow emitted by the jet window (27) to be gradually decreased.
3. A divergent water-saving irrigation sprinkler according to claim 2, characterised in that: a first sealing inner edge (25) is arranged on the inner wall of the upper end of the lower barrel (16), and a second sealing inner edge (22) is arranged on the inner wall of the lower end of the upper barrel (15);
the elevation angle adjusting valve core (0) comprises an outer cylinder wall (91), an inner cylinder wall (51) is coaxially arranged in the outer cylinder wall (91), an annular column-shaped water distribution cavity (81) is formed between the outer cylinder wall (91) and the inner cylinder wall (51), the top end of the water distribution cavity (81) is a valve core top wall (41), and the bottom end of the water distribution cavity (81) is a valve core bottom wall (42); the outer wall of the outer cylinder wall (91) is a valve core outer wall surface (8); the upper end of the valve core outer wall surface (8) is integrally provided with a first sealing outer edge (30), and the lower end of the valve core outer wall surface (8) is integrally provided with a second sealing outer edge (29);
the first sealing inner edge (25) and the second sealing inner edge (22) are in sliding sealing fit with the outer wall surface (8) of the valve core, the first sealing outer edge (30) is in sealing sliding fit with the inner wall of the upper cylinder (15), and the second sealing outer edge (29) is in sealing sliding fit with the inner wall of the lower cylinder (16);
seven circles of spray jet ports (23) are arranged on the outer wall surface (8) of the valve core in an equidistant array along the axis direction, each circle of spray jet ports (23) consists of a plurality of flat spray nozzles distributed in a circumferential array along the axis of the elevation angle adjusting valve core (0), and the seven circles of spray jet ports (23) can be sequentially communicated with the spray window (27) through the vertical displacement of the elevation angle adjusting valve core (0).
4. A divergent water-saving irrigation sprinkler according to claim 3, characterised in that: seven circles of oblique firing channels (24) are sequentially arranged in the wall body of the outer cylinder wall (91) from bottom to top, and each circle of oblique firing channel (24) is formed by a plurality of flat channels which are distributed in a circumferential array along the axis of the elevation angle adjusting valve core (0);
the seven circles of oblique shooting channels (24) comprise a first circle of oblique shooting channels (24.1), a second circle of oblique shooting channels (24.2), a third circle of oblique shooting channels (24.3), a fourth circle of oblique shooting channels (24.4), a fifth circle of oblique shooting channels (24.5), a sixth circle of oblique shooting channels (24.6) and a seventh circle of oblique shooting channels (24.7);
the device comprises a first circle of oblique shooting channels (24.1), a second circle of oblique shooting channels (24.2), a third circle of oblique shooting channels (24.3), a fourth circle of oblique shooting channels (24.4), a fifth circle of oblique shooting channels (24.5), a sixth circle of oblique shooting channels (24.6) and a seventh circle of oblique shooting channels (24.7); one end close to the axis of the elevation angle adjusting valve core (0) is communicated with the water distribution cavity (81);
the seven circles of spray nozzles (23) are sequentially provided with a first circle of spray nozzles (23.1), a second circle of spray nozzles (23.2), a third circle of spray nozzles (23.3), a fourth circle of spray nozzles (23.4), a fifth circle of spray nozzles (23.5), a sixth circle of spray nozzles (23.6) and a seventh circle of spray nozzles (23.7) from bottom to top;
one end of the first circle of oblique jetting channel (24.1), the second circle of oblique jetting channel (24.2), the third circle of oblique jetting channel (24.3), the fourth circle of oblique jetting channel (24.4), the fifth circle of oblique jetting channel (24.5), the sixth circle of oblique jetting channel (24.6) and the seventh circle of oblique jetting channel (24.7), which is far away from the axis of the elevation angle adjusting valve core (0), is respectively provided with a first circle of spray jet orifice (23.1), a second circle of spray jet orifice (23.2), a third circle of spray jet orifice (23.3), a fourth circle of spray jet orifice (23.4), a fifth circle of spray jet orifice (23.5), a sixth circle of spray jet orifice (23.6) and a seventh circle of spray jet orifice (23.7);
the angles between the first circle of oblique incidence channel (24.1), the second circle of oblique incidence channel (24.2), the third circle of oblique incidence channel (24.3), the fourth circle of oblique incidence channel (24.4), the fifth circle of oblique incidence channel (24.5), the sixth circle of oblique incidence channel (24.6) and the seventh circle of oblique incidence channel (24.7) and the horizontal plane are respectively 0 degree, 10 degree, 20 degree, 30 degree, 40 degree, 50 degree and 60 degree.
5. The divergent water-saving irrigation sprinkler according to claim 4, characterized in that: an upper transition ring cavity (21) is formed between the first sealing outer edge (30) and the second sealing inner edge (22); a lower transition ring cavity (26) is formed between the second sealing outer edge (29) and the first sealing inner edge (25);
when only the first circle of spray orifices (23.1) are communicated with the spray window (27), the second circle of spray orifices (23.2), the third circle of spray orifices (23.3), the fourth circle of spray orifices (23.4), the fifth circle of spray orifices (23.5), the sixth circle of spray orifices (23.6) and the seventh circle of spray orifices (23.7) are communicated with the upper transition ring cavity (21), the lower transition ring cavity (26) is not communicated with any circle of spray orifices (23), and the lower transition ring cavity (26) is marked as a lower temporary sealing cavity (26.1);
when only the seventh circle of spray nozzles (23.7) are communicated with the spray window (27), the first circle of spray nozzles (23.1), the second circle of spray nozzles (23.2), the third circle of spray nozzles (23.3), the fourth circle of spray nozzles (23.4), the fifth circle of spray nozzles (23.5) and the sixth circle of spray nozzles (23.6) are communicated with the lower transition ring cavity (26), the upper transition ring cavity (21) is not communicated with any circle of spray nozzles (23), and the upper transition ring cavity (21) is marked as an upper temporary sealing cavity (21.1);
a vertical water pipe penetrating channel (32) is arranged in the inner cylinder wall (51), the vertical water pipe penetrates through the channel (32) and penetrates through the hard water pipe (20) coaxially, the upper end of the hard water pipe (20) is fixedly connected with the cylinder top wall (101) coaxially, and the lower end of the hard water pipe (20) is fixedly connected with the cylinder bottom wall (92) coaxially; the interior of the hard water pipe (20) is a vertical water inlet channel (18);
a plurality of O-shaped ring sealing grooves (31.1) are formed in the inner wall of the inner cylinder wall (51), O-shaped sealing rings (31) are arranged in the O-shaped ring sealing grooves (31.1), and the inner rings of the O-shaped sealing rings (31) are in sliding fit with the outer wall of the hard water pipe (20); an upper water inlet cavity (19) is formed between the valve core top wall (41) and the cylinder top wall (101), and a lower water inlet cavity (28) is formed between the valve core bottom wall (42) and the cylinder bottom wall (92); the O-shaped sealing ring (31) isolates the upper water inlet cavity (19) from the lower water inlet cavity (28);
a plurality of communicating holes (17) are circumferentially distributed on the upper end wall body of the hard water pipe (20), and the upper end of the water inlet channel (18) is communicated with the upper water inlet cavity (19) through each communicating hole (17);
the constant-pressure water supply system comprises a constant-pressure water supply pipe (1) and a three-way electromagnetic valve (3), wherein the water outlet end of the constant-pressure water supply pipe (1) is communicated with the water inlet end of the three-way electromagnetic valve (3), and the two water outlet ends of the three-way electromagnetic valve (3) are respectively communicated with a first branch pipe (4) and a second branch pipe (2); the first branch pipe (4) is communicated with the lower water inlet cavity (28), and the second branch pipe (2) is communicated with the lower end of the water inlet channel (18); the device also comprises a first drain pipe (6) and a second drain pipe (9);
a first electromagnetic on-off valve (7) is arranged on the first water drain pipe (6), and a second electromagnetic on-off valve (10) is arranged on the second water drain pipe (9);
one end of the first water drain pipe (6) is connected to the barrel top wall (101) and communicated with the upper water inlet cavity (19), and the other end of the first water drain pipe (6) is connected to the upper end wall body of the lower barrel body (16) and communicated with the upper end of the lower transition annular cavity (26);
one end of the second water drain pipe (9) is connected to the barrel bottom wall (92) and communicated with the lower water inlet cavity (28), and the other end of the second water drain pipe (9) is connected to the lower end wall body of the upper barrel body (15) and communicated with the lower end of the upper transition ring cavity (21).
6. The divergent water-saving irrigation sprinkler according to claim 5, characterized in that: the O-shaped sealing ring (31) is made of elastic rubber.
7. The divergent water-saving irrigation sprinkler according to claim 6, characterized in that: setting the height difference between the first sealing inner edge (25) and the second sealing inner edge (22) as H, and setting the height difference between every two adjacent circles of the spray nozzles (23) in the seven circles of spray nozzles (23) as H, wherein the height difference satisfies the condition that 2H is more than H; thereby leading the spraying window (27) to be communicated with at least one circle of spray jet orifices (23) all the time and at most two circles of spray jet orifices (23).
8. The divergent water-saving irrigation sprinkler according to claim 7, characterized in that: the bottom of the bracket (13) is provided with a fixed seat (14).
9. The operation method of the divergent water-saving irrigation sprinkler according to claim 8, characterized in that:
in the process of downward displacement of the elevation angle adjusting valve core (0), the first circle of spray nozzles (23.1), the second circle of spray nozzles (23.2), the third circle of spray nozzles (23.3), the fourth circle of spray nozzles (23.4), the fifth circle of spray nozzles (23.5), the sixth circle of spray nozzles (23.6) and the seventh circle of spray nozzles (23.7) are sequentially communicated with an injection window (27), when the seventh circle of spray nozzles (23.7) are communicated with the injection window (27), the first circle of spray nozzles (23.1), the second circle of spray nozzles (23.2), the third circle of spray nozzles (23.3), the fourth circle of spray nozzles (23.4), the fifth circle of spray nozzles (23.5) and the sixth circle of spray nozzles (23.6) are communicated with a lower transition ring cavity (26), and an upper transition ring cavity (21) is not communicated with any spray nozzles (23), and the upper transition ring cavity (21) of the circle of spray nozzles is just converted into an upper temporary ring cavity (21.1), at this time, the second drain pipe (9) can not continuously drain water in the lower water inlet cavity (28), so that the elevation angle adjusting valve core (0) can not continuously descend, the brake effect on the elevation angle adjusting valve core (0) is achieved, and conditions are provided for the next movement period.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN2271808Y (en) * | 1996-12-27 | 1998-01-07 | 胶南市抗旱服务队 | Sprinkler |
CN2548709Y (en) * | 2002-06-26 | 2003-05-07 | 崔建伟 | Miniature nozzle with adjustable spray angles |
CN107961909A (en) * | 2017-12-29 | 2018-04-27 | 安徽省农业科学院土壤肥料研究所 | A kind of 360 degree of rotary nozzles |
CN207461027U (en) * | 2017-09-28 | 2018-06-08 | 周薇 | Municipal treegarden irrigation device |
CN208639210U (en) * | 2018-07-12 | 2019-03-26 | 安徽天晟建设工程有限公司 | A kind of irrigation equipment that water conservancy construction uses |
CN209359197U (en) * | 2018-09-21 | 2019-09-10 | 合肥经纬园林工程有限公司 | A kind of lawn nozzle irrigation system |
CN211153155U (en) * | 2019-11-06 | 2020-08-04 | 奉节县国清脐橙种植专业合作社 | Navel orange is planted and is used large tracts of land watering device |
-
2020
- 2020-09-10 CN CN202010944364.0A patent/CN112138884A/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2271808Y (en) * | 1996-12-27 | 1998-01-07 | 胶南市抗旱服务队 | Sprinkler |
CN2548709Y (en) * | 2002-06-26 | 2003-05-07 | 崔建伟 | Miniature nozzle with adjustable spray angles |
CN207461027U (en) * | 2017-09-28 | 2018-06-08 | 周薇 | Municipal treegarden irrigation device |
CN107961909A (en) * | 2017-12-29 | 2018-04-27 | 安徽省农业科学院土壤肥料研究所 | A kind of 360 degree of rotary nozzles |
CN208639210U (en) * | 2018-07-12 | 2019-03-26 | 安徽天晟建设工程有限公司 | A kind of irrigation equipment that water conservancy construction uses |
CN209359197U (en) * | 2018-09-21 | 2019-09-10 | 合肥经纬园林工程有限公司 | A kind of lawn nozzle irrigation system |
CN211153155U (en) * | 2019-11-06 | 2020-08-04 | 奉节县国清脐橙种植专业合作社 | Navel orange is planted and is used large tracts of land watering device |
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