JP2003236413A - Rotary sprinkler - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotary sprinkler for setting the diffusion and sprinkling of a sprinkling liquid to an atomized state but not to a liquid drop state to diffuse and sprinkle the sprinkling liquid correspondingly to the kind and growing state of a plant, a sprinkling target region, a cultivation place or a weather condition. <P>SOLUTION: At least a pair of upward jet orifices 6 and 6 and a pair of lateral jet orifices 7 and 7 are respectively arranged to the nozzle attached to a rotary head (b) in a truncated chevron shape. The mutual jet streams of the sprinkling liquid ejected from the pair of the upward jet orifices 6 and 6 and the mutual jet streams of the sprinkling liquid ejected from the pair of the lateral jet orifices 7 and 7 are respectively allowed to collide with each other in a forward region to be crushed and atomized and diffused while revolved as a whole. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary type sprayer for diffusing a spraying liquid such as water and agricultural chemicals.

[0002]

2. Description of the Related Art In a conventionally known rotary type sprayer which rotates by a reaction force of spray liquid sprayed from a plurality of spray holes and spreads the spray liquid over a wide range of 360 degrees, it is possible to spray the spray liquid from each spray hole. The spray liquid is usually sprayed in a droplet state even if it may be mixed in the tip portion.

[0003]

DISCLOSURE OF THE INVENTION The present invention provides a rotary type sprayer capable of performing the diffusion and dispersion of the spray liquid in an atomized state instead of the above-mentioned droplet state, and the type of plant. , It is intended to make it possible to perform the most appropriate diffusion and dispersion of the spray liquid according to the growth situation, the part to be sprayed, the cultivation place, the weather conditions, and the like.

[0004]

The rotary type sprayer of the present invention according to claim 1 is a rotary type spreader in which a rotary head b is rotated by a jet reaction force of a sprayed liquid, and is attached to the rotary head b. In the nozzle, at least a pair of upward ejection holes 6 and 6 are arranged in a "C" shape, and at least a pair of lateral ejection holes 7 and 7 are also arranged in a "C" shape. The jets of the sprayed liquid ejected from Nos. 6 and 6 and the jets of the sprayed liquid ejected from the pair of lateral jet holes 7 and 7 collide and atomize at the required destinations, respectively, and swirl as a whole. While spreading.

According to a second aspect of the present invention, at least a pair of nozzles d1 and d2 are symmetrically opposed to each other on the extension line of the diameter of the rotary head b in a tilted state increasing from the base end side to the tip end side. , The jets of the spray liquid ejected from the pair of upward jet holes 6 and 6 of the one nozzle d1 and the jets of the spray liquid jetted from the pair of upward jet holes 6 and 6 of the other nozzle d2, 2. The rotary type spreader according to claim 1, wherein each of the rotary type spreaders is collided and crushed to atomize at a required destination in a different direction, and is diffused while swirling as a whole.

The present invention according to claim 3 provides a spray liquid supply pipe C.
The rotary type spreader according to claim 1 or 2, further comprising a pipe joint B for detachably connecting the pipe.

According to the present invention as set forth in claim 4, the pipe joint B has the upper connection port 1 on one side of the communication hole 13 at the center of the inside of the tubular body 12.
5, and a lower connection port 1 in which a locking claw operating ring 16 is loosely fitted to the other side of the communication hole 13 toward the inside and the outside.
7 is provided, and the filter 1 is provided inside the upper connection port 15.
A port that is loaded with 8 and is opened in the lower connection port 17 by pushing the locking claw operating ring 16 inward, and returns to the original state by pulling the operating ring 16 outward. Edge 2
4. An annular elastic locking claw 20 having 1 is internally provided.
It is the described rotary sprayer.

The present invention according to claim 5 is the rotary type spreader according to claim 1, which comprises a protective frame E which surrounds at least the outer end of the nozzle for traveling.

According to the sixth aspect of the present invention, the protective frame E is provided with the both ends 27 ', 27' of the support member 27 having a substantially "V" shape.
6. A large-diameter annular wire member 28, 28 is fixedly attached to
It is the described rotary sprayer.

The present invention according to claim 7 is mounted on the upper end of a stretchable or non-stretchable spray liquid supply pipe C that is planted and supported on a mount D installed on the ground or floor.
It is a rotary type sprayer according to 2, 3, 4, 5 or 6.

The present invention according to claim 8 is a rotary type according to claim 1, 2, 3, 4, 5 or 6, which is mounted on a traveling body 26 which is installed on a rail 25 horizontally extending in an upper space of a greenhouse or the like. It is a sprayer.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION A rotary sprayer according to an embodiment of the present invention will be described below with reference to FIGS. Reference character a is a cylindrical body in which a male screw 1 is engraved on the outer periphery of the lower half, b is a rotary head, and c is a tubular spindle in which a male screw 2 is engraved on the outer periphery of the upper end and a lower end portion 3 is enlarged. The tubular spindle c rotatably penetrates the body a, and the rotary head b is screwed to the male screw 2 at the upper end protruding upward.

Reference numerals d1 and d2 are such that the base ends are screwed into the diametrically opposed positions of the rotary head b, and the tightening nuts 4 and 4 are used.
It is a pair of arm-shaped nozzles tightened with. The nozzles d1 and d2 are attached to the facing position of the rotary head b in an inclined state in which the nozzle d1 and the d2 are inclined toward the tip end side from the screw base end side. In other words, the nozzle d
1 and d2 are symmetrically opposed to each other on the extension line of the diameter of the rotary head b in an inclined state in which the height increases from the base end side toward the tip end side. More specifically, the nozzles d1 and d2
Is about 45 to 90 ° above the intersection of the center axis lines o1 and o1 of the rotary head b with the rotation center line o2 of the rotary head b.
The angles formed by the central axes o1 and o1 of d2 on the upper side thereof are approximately 90 to 180 °. However, these angles are not necessarily limited to the above range.

The nozzles d1 and d2 allow the inner cavities 5 and 5 having blind ends to communicate with the insides of the rotary head b and the tubular spindle c through the screw base ends, and the inner cavities 5 thereof. , 5 are opened to the outside by a plurality of upward and lateral ejection holes.

Reference numerals 6 and 6 are a pair of upward ejection holes arranged in the shape of "C" on the upper side walls of the nozzles d1 and d2. The upward ejection holes 6 and 6 are the central axes o1 of the nozzles d1 and d2. It is arranged at an angle of approximately 15 to 45 ° with respect to a line orthogonal to o1. Reference numerals 7 and 7 denote a pair of the horizontal ejection holes arranged in a "C" shape on the rear side walls of the nozzles d1 and d2. The respective horizontal ejection holes 7 and 7 also correspond to the central axis lines o1 and o1 of the nozzles d1 and d2. Is arranged at an angle of approximately 15 to 45 ° with respect to the orthogonal line. However, these angles are not necessarily limited to the above range.

In the nozzles d1 and d2, the former upward ejection holes 6 and 6 and the latter upward ejection holes 6 and 6 are different in their spray liquid jet angles (directions), but are different from each other. The lateral jet holes 7 and 7 and the latter lateral jet holes 7 and 7 are attached to the rotary head b such that the spray liquid jet angles (directions) of the respective jets are horizontal but opposite to each other.

The spray liquid is supplied by the required spray liquid feed pump.
The nozzle d through the tubular spindle c and the rotary head b
1 and d2, the spray liquid is ejected from the upward ejection holes 6 and 6 and the lateral ejection holes 7 and 7, and the rotary head b is rotated by the reaction force of the ejection liquid ejected from the lateral ejection holes 7 and 7. To do.

Moreover, since the upward ejection holes 6 and 6 and the lateral ejection holes 7 and 7 are arranged in a C-shape,
The jet flow of each other is collided and crushed at the required destination and atomized to further diffuse the jet upward and upward. Further, as described above, the two nozzles d1 and d2 are formed so that the angle formed on the upper side thereof is approximately 150 °, so that the atomizing atmosphere in which the jet flow from the upward jet holes 6 of the nozzle d1 is generated. And the atomized atmosphere generated by the jet flows from the upward jet holes 6 and 6 of the nozzle d2 spread widely and further toward the upper side.

Moreover, the rotary head b is used for this jet diffusion.
The swirling caused by the rotation of the rotary sprayer is added, and the fumes are spread over a wide area around the rotary spreader (see Fig. 4).

In FIGS. 2 and 3, 8 is a spindle collar, 9 is an o-ring, 10 is ceramic, metal made of metal or resin, 10 'is a washer, and 11 is an o-ring.

A pipe joint B is attached to the main rotating type spreader A having the above structure. The structure will be described below with reference to FIGS.

Reference numeral 12 is a cylindrical body, and a communication hole 1 at the center of the inside thereof.
Upper side connection port 1 with internal thread 14 engraved on one side
5, the other side is provided with a lower connection port 17 into which a locking claw operating ring 16 is fitted so as to freely move inward and outward. Reference numeral 18 denotes a filter mounted on the inner rear portion of the upper connection port 15, that is, a boundary portion with the communication hole 13, and reference numeral 19 denotes an o-ring installed in the upper connection port 15 so as to press the filter 18.

Reference numeral 20 denotes an annular elastic locking claw fitted in the lower connection port 17, and the diameter formed by the rim 21 thereof is expanded by pushing the locking claw operating ring 16 inward. , By returning the operation ring 16 to the outside, the original state is restored. Reference numeral 22 is an o-ring fitted between the annular elastic locking claw 20 and the communication hole 13.

In this pipe joint B, the upper connection port 15 is screwed to the lower half of the body a of the rotary type sprayer A, that is, the female screw 14 and the male screw 1 of the ratchet are screwed together. It can be installed.

C is a spray liquid supply pipe connected to the rotary type sprayer A via the pipe joint B. The spray liquid supply pipe C has its connection port end 23 connected to the locking claw operating ring. The connection can be easily made by inserting the lower connecting port 17 of the tubular body 12 through the unit 16 to a position reaching the communication hole 13, and the state will not be accidentally pulled out.

That is, in the insertion process, the lip 21 of the annular elastic locking claw 20 is inserted into the connection port end 23.
When the connection port end 23 is pulled outward and is to be pulled out, the edge 21 of the annular elastic locking claw 20 is pushed by the push button to retract the connection port end 23.
It becomes a state of engaging with the outer peripheral surface of, and prevents its removal.

However, when necessary, the locking claw operating ring 16 is pushed inward to move the annular elastic locking claw 20.
Since the rim 21 of the opening widens and the above engagement is released, the connection opening end 23 can be easily pulled out.

The pipe joint B has a structure in which the spray liquid supply pipe C is inserted and removed as described above, and the spray liquid supply pipe C is also used.
The configuration may be such that the screw is screwed or removed by rotation. In other words, the pipe joint B may have any structure as long as the spray liquid supply pipe C is detachably connected.

Next, FIG. 7 shows a state in which the present rotary type sprayer A is installed and used on the ground or floor, and a pedestal D is used.
The spraying liquid supply pipe C is vertically supported and the upper end of the rotary type spraying device A is attached via a pipe joint B. In the figure, reference numeral 24 is a pipe connecting the spray liquid supply pipe C and the spray liquid supply pump (not shown).

As the spray liquid supply pipe C, it is apparent that other than the fixed type, that is, the non-stretchable type, the stretchable type can be adopted.

FIGS. 8 to 10 show a traveling body 2 in which the present rotary type sprayer A is installed on a rail 25 which is horizontally installed in an upper space such as a greenhouse.
6 shows a state in which the traveling body 26 is mounted and mounted, and the required spraying work is performed by reciprocating the traveling body 26. In this case, the spray liquid supply pipe C
Is substantially in the shape of "T", and the rotary spreaders A, A together with the protective frames E, E are provided on both sides of the connecting port ends 23 ', 23' of the lateral pipe C'as the above. It is installed as required.

The protective frame E is a support member 2 having a substantially "V" shape.
7. A large-diameter annular wire member 28, 28 surrounding the outer ends of the nozzles d1, d2 of the rotary type sprayer A is fixed to the both ends 27 ', 27' of 7 in a vertically two-stage manner. It is a thing. The protective frame E is attached by sandwiching the central bottom portion 27 ″ of the support member 27 between the connection port end portion 23 ′ of the horizontal pipe C ′ and the body a of the main rotary type sprayer A. ing.

The protective frame E is intended to prevent the nozzles d1 and d2 of the rotary type sprayer A from colliding against the leaf tips or the branch tips and being damaged, and to protect these nozzles d1 and d2 safely. .

Reference numeral 29 in FIG. 8 is a pipe for connecting the spray liquid supply pipe C and the spray liquid supply pump (not shown).

[0035]

As is apparent from the above description,
According to the present invention, a spray liquid such as water or a chemical liquid can be diffused and sprayed in an atomized state instead of a droplet state.
The most suitable diffusion spraying can be realized according to the type of plant, the growth status, the part to be sprayed, the cultivation place, the weather conditions, etc.

Moreover, at least a pair of upward jetting holes and lateral jetting holes are arranged in the shape of "C", and the jetting streams of the spraying liquid jetted from the pair of upward jetting holes and the pair of lateral jettings are also arranged. The jets of the spray liquid jetted from the jet holes collide and crush each other at the required destinations, and also the jets from the upward jet holes of one of the pair of nozzles are generated. The atomizing atmosphere that forms and the atomizing atmosphere that is generated by the jet flow from the upward jetting hole of the other nozzle are swirled as a whole, and the jet head is widely diffused further ahead and upward, thereby providing a rotary head. The swirling action is added by the rotation of the above, and a thick plume of smoke is generated over a wide area around the rotary spreader (see FIG. 4).

[Brief description of drawings]

FIG. 1 is a side view of a rotary spreader according to an embodiment of the present invention.

FIG. 2 is a vertical sectional view of the rotary type spreader.

FIG. 3 is an exploded perspective view of the rotary type spreader.

FIG. 4 is an explanatory diagram showing a spray liquid jet diffusion state of the rotary type spreader.

FIG. 5 is a perspective view of the rotary sprayer, the pipe joint, and the spray liquid supply pipe.

FIG. 6 is a longitudinal sectional view of the pipe joint of the same.

FIG. 7 is a perspective view showing a state in which the rotary type spreader is used by being installed on the ground or floor.

FIG. 8 is a perspective view showing a state where the rotary type spreader is mounted on a traveling body installed on rails.

FIG. 9 is a perspective view of the rotary type spreader with a protective frame attached.

FIG. 10 is an explanatory view showing a situation in which a spraying liquid is jet-spread by a rotary sprayer mounted on the traveling body.

[Explanation of symbols]

A rotary sprayer B fitting C Spraying liquid supply pipe D stand E protection frame a body b rotary head c Tubular spindle d1, d2 nozzle 6 Upward ejection holes 7 Lateral ejection holes 12 tubular 13 communication holes 15 Upper connection port 16 Locking claw operation ring 17 Lower connection port 18 filters 20 annular elastic locking claw 21 rim 27 Support member 27 'tip 28 Ring wire member 25 rails 26 running bodies

Claims (8)

[Claims] 1. A rotary sprayer in which a rotary head is rotated by a spray reaction force of spray liquid, wherein at least a pair of upward spray holes are arranged in a "C" shape in a nozzle attached to the rotary head. Similarly, at least a pair of lateral ejection holes are also arranged in the shape of a letter “C”, and the jets of the spray liquid ejected from the pair of upward jet orifices and the jets of the spray liquid ejected from the same pair of lateral jet holes are also arranged. A rotary type spreader characterized in that the flows collide with each other at the required destinations, atomize, and swirl as a whole to diffuse. 2. At least a pair of nozzles are symmetrically opposed to each other on a diameter extension line of the rotary head in a tilted state in which the height increases from the base end side to the tip end side, and from one pair of upward ejection holes of one nozzle. The jets of the sprayed liquid jetted out and the jets of the sprayed liquid jetted from the pair of lateral jet holes of the other nozzle collide and atomize at the required destinations in different directions, and as a whole. The rotating type spreader according to claim 1, wherein the rotating type spreader is configured to diffuse while rotating. 3. The rotary type spreader according to claim 1, further comprising a pipe joint for detachably connecting the spray liquid supply pipe. 4. The pipe joint has an upper connection port on one side of a communication hole in the center of the inside of the tubular body, and a locking claw operating ring is movably fitted inward and outward on the other side of the communication. Equipped with the lower connection port, the filter is loaded in the inner part of the upper connection port,
In addition, the lower connection port has an annular elastic lock having a rim that opens by pushing the locking claw operating ring inward and returns to the original state by pulling the operating ring outward. The rotary spreader according to claim 3, wherein the claws are internally provided. 5. A protective frame which surrounds at least the tip end of the nozzle for traveling is provided.
The rotary sprayer according to 3 or 4. 6. The rotary spreader according to claim 5, wherein the protective frame is formed by fixing large-diameter annular wire members to both ends of a substantially V-shaped support member. 7. A stretchable or non-stretchable spray liquid supply pipe, which is planted and supported on a mount installed on the ground or floor, and is attached to the upper end of the spray liquid supply pipe. , 5
Alternatively, the rotary type sprayer according to the item 6. 8. The rotary spreader according to claim 1, wherein the rotary spreader is mounted on a traveling body installed on a rail horizontally extending in an upper space of a greenhouse or the like.