JP3208348U - Liquid spreader - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid spraying device capable of spraying liquids such as fertilizers and agricultural chemicals accurately so that liquids can be sprayed while adhering to crops and are not easily affected by wind. A liquid spraying device including a spraying unit for spraying liquid to be pumped, wherein the spraying part includes an upper frame having an upper spray nozzle that sprays the liquid to be pumped downward. And a side frame provided with a side spray nozzle that is provided at a longitudinal end of the upper frame and that ejects liquid that is pumped in a direction crossing the liquid sprayed from the upper spray nozzle. The side frame is swingably provided with respect to the upper frame. [Selection] Figure 1

Description

  The present invention relates to a liquid spraying machine for spraying liquids such as fertilizers and chemicals to dredging fields and crops. In particular, the present invention relates to a liquid spreader capable of spraying a liquid only within a predetermined range and controlling a liquid spraying direction.

  When cultivating crops on cultivated land, fertilizers, herbicides and the like are sprayed according to the degree of growth of the crops. Such pesticides and fertilizers are provided in various forms such as granular, powdery, and liquid. Among these, sprayers such as a sprayer are used to spray liquid pesticides and fertilizers.

  And as a spreader that sprays this liquid pesticide and fertilizer, a small spreader that is used on a shoulder or on the back is used from a large self-propelled type such as a speed sprayer. .

  For example, Patent Document 1 (Japanese Patent Laid-Open No. 11-28397) proposes a battery type sprayer in which an operator carries a pesticide and the like on his / her back. And this document states that “sprayers are used for spraying liquids. Depending on the choice of power source, there are battery-type, engine-type or cord-type sprayers. It is disclosed that it is preferably used from the point of view.

  In addition, even in such a small sprayer, those having various structures have been proposed depending on the place (soil, fruit tree, crop, etc.) to which agricultural chemicals and fertilizer are sprayed. Among these, Patent Literature 2 has been proposed as a liquid spraying device suitable for spraying a herbicide between agricultural fields, particularly, between the straws formed on the agricultural land. In this patent document 2 (Unexamined-Japanese-Patent No. 2009-142168), the liquid spraying apparatus which is used for spraying a liquid on soil and suitable especially for the weeding work of a furrow is proposed. Such a liquid spraying device includes a splash guard disposed on the soil to which the liquid is sprayed, and an arm-shaped handle for moving the splash guard, and the splash guard includes an upper frame connected to the handle, It has a pair of left and right side walls provided on both sides of the upper frame, and a nozzle that ejects liquid downward between the side walls is attached to the upper frame.

  And patent document 3 (Unexamined-Japanese-Patent No. 2007-259781) has proposed the liquid spraying apparatus which sprays liquids, such as an agrochemical and a fertilizer, to the plant stock of a crop and the ground between ridges. This liquid spraying device is a liquid spraying device that sprays liquids such as agricultural chemicals and fertilizers on the ground between the plant stock and the ridges while moving along the crop ridges. A wheel that rolls along the ridge, a handle that is provided in the apparatus main body and that is operated by an operator, and that is provided in the apparatus main body and that supplies the liquid to the ground between the crop stock and the culm. And a spray nozzle for jetting.

Japanese Patent Laid-Open No. 11-28397 JP 2009-142168 A JP 2007-259781 A

  As described above, several liquid spraying apparatuses suitable for spraying liquids such as agricultural chemicals and fertilizers between cocoons and culms have been proposed.

  However, the liquid spraying device proposed in Patent Document 1 sprays liquid only between the furrows while protecting herb crops from the liquid ejected from the nozzle even when spraying a liquid such as a herbicide between the ribs. Although it is possible to do so, it is not easy to move in uneven soil because it is configured to slide the soil.

  In view of this, the first object of the present invention is to provide a liquid spraying device that can spray liquid while adhering to crops and that can be easily moved even in uneven farmland such as dredging fields.

  Further, in the liquid spraying device proposed in Patent Documents 1 and 2, it is proposed to protect the crops of the straw from the liquid such as agricultural chemicals by covering a predetermined area with a cover plate, a scattering prevention plate or the like. Yes. However, in any case, a plate-like body such as a cover plate or a scattering prevention plate covers an area where a liquid such as an agrochemical is not sprayed. For this reason, for example, when the wind is strong, the sprayed liquid will be scattered in areas that are not covered with a plate-like body such as a cover plate or anti-scattering plate, and the liquid such as agricultural chemicals will adhere to the crops. Was also concerned.

In view of this, a second object of the present invention is to provide a liquid spraying device that is not easily affected by wind or the like and that can accurately spray liquids such as fertilizers and agricultural chemicals according to the weather.

  In order to solve at least one of the above problems, in the present invention, a spraying part for spraying liquid to be pumped is a liquid spraying device formed so that the spraying direction of at least one of the spraying nozzles can be changed. Is.

  That is, the liquid spraying apparatus according to the present invention is a liquid spraying apparatus including a spraying part for spraying the liquid to be pumped, and the spraying part is an upper part that ejects the liquid to be pumped downward. An upper frame provided with an injection nozzle, and a side injection nozzle that is provided at an end portion in the lengthwise direction of the upper frame and injects a liquid that is pumped in a direction intersecting with the liquid that is injected from the upper injection nozzle A side frame, and the side frame can be configured to be swingable with respect to the upper frame.

  In such a liquid spraying device, since the side frame in the spraying part is swingably provided, the side spray nozzle provided in the side frame can also swing with the side frame. Accordingly, since the side injection nozzle for injecting the liquid to be pumped from the side can swing, the direction of the liquid to be injected from the side can be controlled. This makes it possible to adjust not only the liquid injection area, but also the injection direction, and a liquid spraying device that can adjust these according to the surrounding environment such as the wind and spray the English expectations accurately. Realize.

  The liquid can be sprayed by the liquid spraying apparatus according to the present invention, and any liquid can be used as long as it can be discharged in the form of a mist, a droplet or a mist from the upper or side jet nozzle. Such liquids can be used for various things such as fertilizers and water as well as agricultural chemicals such as fungicides, fungicides, insecticides, herbicides, rodenticides, plant growth regulators and the like. The liquid is pressurized manually or by an electric pump or compressed gas, and guided to the upper injection nozzle or the side injection nozzle.

  In the liquid spraying apparatus according to the present invention, the upper frame of the spraying part is configured to include an upper spray nozzle that sprays the liquid to be pumped downward. Such an upper frame can be formed as an elongated member having a curved center or end side, in addition to being formed in a bar shape that is long in the lateral direction. Further, the upper frame can be formed in a curved shape, or can be formed in a long shape by combining a plurality of rods, and can be formed using a longer plate member. The upper frame can be formed by attaching or interpolating a tube or pipe for guiding the liquid to the upper spray nozzle provided on the upper frame.

  In the spreading portion, a side frame is swingably provided at an end of the upper frame in the length direction. Such side frames can be provided at both ends as well as at one end in the longitudinal direction of the upper frame. When such side frames are provided at both ends in the longitudinal direction of the upper frame, the side frames are arranged in an opposing manner and are provided so as to be swingable in directions facing each other. And in this case, the frame part which consists of an upper frame and the two side frames provided in the both ends becomes a turtle-bracket shape as a whole. That is, the upper frame is formed in a tortoise-bracket shape, and the side frame can be a liquid spraying device that is swingably formed at both ends in the length direction so as to face each other. In the case of such a tortoiseshell bracket shape, it becomes a shape straddling the ridge formed in a convex shape, so by moving the liquid spraying device along the extending direction of the ridge, It is possible to spray liquids such as agricultural chemicals and fertilizers. It is to be noted that the same effect can be obtained by bending the upper frame into a turtle shell shape so that the side frames extend from both ends thereof.

  The side frame provided swingably on the upper frame can be pivotally attached to the upper frame or can be connected using a hinge or a flexible resin member. It is desirable that the swing of the side frame can be freely controlled by the operator during use. Therefore, it is desirable that the liquid spraying device includes a swing mechanism for swinging the side frame. Such a swinging mechanism can be configured by, for example, a wire that pulls the side frame, a cam, or a link mechanism.

  The upper frame is provided with an upper ejection frame that ejects liquid downward. As the upper jet frame, one that jets liquid radially, one that jets liquid linearly, or the like can be used, and one or more can be installed on the upper frame. The side frame described above is provided with a side spray nozzle that ejects liquid in a direction that intersects with the liquid ejected from the upper spray nozzle. One or a plurality of such side injection nozzles can be provided in one side frame. Since the side injection nozzle is provided on the side frame that is provided so as to be swingable, the injection direction can be changed by swinging the side frame. In particular, when the side frames are provided on both ends of the upper frame so as to be opposed to each other, the side frames are swung so that the side injection nozzles provided in the opposed manner can be connected to each other. The distance (interval) can also be adjusted. Therefore, in this case, a liquid spraying device is realized in which the interval between the side spray nozzles can be adjusted in accordance with the width of the ridge.

  The liquid spraying device according to the present invention can be formed as a self-propelled liquid spraying device such as a speed sprayer or the like, and can be formed as a liquid spraying device that an operator holds and operates. That is, in the liquid spraying device, as long as the spraying part having the nozzle for actually spraying the liquid is formed as described above, the tank for storing the chemical liquid to be sprayed, the mechanism or the structure for pumping the liquid Furthermore, the mechanism for moving the liquid spraying device can be arbitrarily configured. However, in order to reduce the difficulty of use with a simpler configuration, it is desirable to provide a hand-held liquid spraying device that is carried and carried by an operator. In the case of a hand-held liquid spraying device, the upper frame is provided with an operating rod provided with a gripping portion in a rising shape, and a suspension string attached to the user may be connected. it can.

  In other words, in the case of the hand-held liquid spraying device, when the operator controls the spraying part equipped with the nozzle for spraying the liquid by hand, the gripping part is used to improve the operability. The operating rod provided is provided on the upper frame so as to stand up. Further, in the hand-held liquid spraying device, in order to reduce the burden on the operator due to the weight of the spraying part, a suspension string for suspending the spraying part to the worker is connected. It is desirable to configure. By providing such a hanging string and suspending it from an operator's belt or shoulder, the liquid can be sprayed without worrying about the weight of the sprayed part. The spraying range and direction of the liquid can be performed by the operator holding the grip portion and controlling the operating rod.

  In the liquid spraying apparatus according to the present invention, it is desirable that at least any one of the upper spray nozzle and the side spray nozzle in the spray portion is provided with an opening / closing means for controlling the spraying of the liquid to be pumped. Such opening / closing means can be formed by an opening / closing valve, a cock, a stopper, or the like. By providing such an opening / closing means, the pumped liquid can be ejected only from an arbitrary nozzle. For example, it is possible to select and eject an arbitrary nozzle such as an upper injection nozzle or a side injection nozzle as a nozzle for injecting a liquid.

  Further, at least one of the upper jet nozzle and the side jet nozzle can be formed so that the jet direction of the jetted liquid can be arbitrarily adjusted. At that time, the side injection nozzle can adjust the injection direction by swinging the side frame, and further, it can be adjusted at the mounting position of the side injection nozzle with respect to the side frame. Thus, the spray direction of the side spray nozzle can be adjusted in a wider range. Further, at least one of the upper injection nozzle and the side injection nozzle is formed so as to be able to arbitrarily adjust the expansion condition when ejecting the liquid to be pumped and the droplet size (mist diameter, etc.) when ejected. It is desirable to do. The configuration of such a nozzle can be appropriately designed with reference to the configuration of the watering nozzle.

  In the liquid spraying device of the present invention, the spraying part for spraying the liquid is provided at the upper frame having the upper spray nozzle for spraying the liquid to be pumped downward, and at the end in the length direction of the upper frame. A side frame having a side injection nozzle for injecting a liquid that is pumped in a direction intersecting with the liquid to be injected from the upper injection nozzle, and the side frame is in relation to the upper frame. And can be swung freely. Therefore, the jet direction of the side jet nozzle can be arbitrarily adjusted by swinging the side frame. Moreover, the spreading portion is composed of an upper frame and a side frame, which can exist in a state straddling the ridge formed in a convex shape, and by moving this in the extending direction of the heel, A liquid such as agricultural chemicals and fertilizers can be selectively sprayed only on the straw. This realizes a liquid spraying device that can spray liquid while adhering to agricultural products and can easily move even in uneven agricultural land such as a yard.

  Furthermore, the distance of the side injection nozzle with respect to the side surface of the ridge can be arbitrarily adjusted by swinging the side frame. For this reason, for example, even when liquids such as fertilizers and pesticides are sprayed under strong wind conditions, they are less susceptible to the effects of wind, etc., so that the liquid can be sprayed accurately at the target location. A liquid spraying device is realized.

The perspective view which shows the liquid spraying apparatus concerning 1st Embodiment. Operation diagram showing swinging motion of side frame Operation | movement figure which shows the liquid spraying apparatus concerning 2nd embodiment

  Hereinafter, the liquid spraying apparatus 10 according to some embodiments will be specifically described with reference to the drawings. In particular, the following embodiment shows an example of the portable liquid spraying device 10 that is operated by hand, but may be realized by a self-propelled liquid spraying device with a power engine.

  FIG. 1 is a perspective view showing a liquid spraying apparatus 10 according to the first embodiment. The liquid spraying device 10 according to this embodiment is connected to the spraying part 30 for spraying liquids such as medicines and fertilizers, the operation rod 15 extending from the spraying part 30, and the spraying part 30, and the user And a tank 18 for storing liquids such as drugs and agricultural chemicals.

  The spreading portion 30 includes an upper frame 11 formed in a turtle shell shape and side frames 12 extending from both ends in the length direction of the upper frame 11. In the present embodiment, the upper frame 11 and the side frame 12 are formed of a channel steel aluminum material provided with side walls, thereby increasing the rigidity while realizing a reduction in weight. Further, the front end side of the side frame 12 is bent inward. Thereby, even when the liquid is sprayed in a state where the side frame 12 is spread, the bent tip side can prevent scattering to an unintended region.

  Each of the side frames 12 is provided so as to be swingable with respect to the upper frame 11. In the present embodiment, the hinges 25 are used to connect the two. However, both may be connected by other than the hinge 25 (for example, a rubber sheet). Further, the upper frame 11 and the side frame 12 can be formed as one integrated member, and a crease can be formed between the upper frame portion and the side frame portion so that both can be bent. . In other words, the upper frame 11 and the side frame 12 only need to be swingably connected, and can be formed in any structure as long as this is the case.

  The upper frame 11 is provided with an upper injection nozzle 13 for injecting the liquid pumped from the tank 18 downward. In the present embodiment, one upper injection nozzle 13 is provided in the center of the upper frame 11 in the length direction. However, two or more upper injection nozzles 13 can be formed, and the upper injection nozzle 13 is not provided. (Only the side injection nozzle 14). Each side frame 12 is provided with a side injection nozzle 14 for injecting liquid in the facing direction. In the present embodiment, each side frame 12 is provided with one side injection nozzle 14, but two or more side injection nozzles 14 may be formed. The upper jet nozzle 13 and the side jet nozzle 14 can be used as long as the liquid pumped from the tank 18 through the tube 19 is discharged in the form of droplets or mist. However, when a nozzle capable of arbitrarily adjusting the mist diameter is used, it can be arbitrarily changed according to the type of liquid to be sprayed.

  A cable 27 for pulling each side frame 12 is connected to each side frame 12 for swinging. The cable 27 is openable and closable provided on the upper frame 11. The arm portion 26 is also connected. Since this arm portion 26 opens and closes by operating a lever 17 provided on the gripping portion 16 present at the base end portion of the operating rod 15, the arm portion 26 can be opened and closed by operating the lever 17. Thus, along with the opening / closing operation, the side frame 12 connected to the arm portion 26 by the cable 27 can also swing.

  FIG. 2 is an operation diagram showing the swinging operation of the side frame 12. As shown in FIG. 2A, the side frame 12 is always present in the extending direction of the inclined portion on the end side of the upper frame 11. Then, by operating the lever 17 of the gripping portion 16 to open and close the arm portion 26, the side frames 12 are drawn and swing in the directions facing each other as shown in FIG. Can do.

  By such a swinging motion of the side frame 12, the injection direction of the chemical liquid from the side injection nozzle 14 can be changed. In addition, the change in the liquid ejection direction can be performed by the operator operating the lever 17 at hand during the spraying operation. Therefore, according to the change of the growth condition of the crop and the situation of the cultivated land, the spraying direction of the liquid can be accurately changed.

  Further, the distance between the side injection nozzles can be arbitrarily changed by the swinging motion of the side frame 12. Therefore, it is possible to arbitrarily adjust the spraying area in accordance with the width of a sprinkler or the like for spraying the liquid. Since the adjustment of the interval between the side injection nozzles can be performed by the lever 17 provided on the grip portion 16 that the operator holds and operates, it is possible to respond quickly according to the environmental change during the operation. Can do. Therefore, for example, when a strong wind blows when spraying medicine or fertilizer, the lever 17 is operated to narrow the interval between the side injection nozzles, and the sprayed liquid is controlled not to be scattered around by the wind. be able to.

  In particular, by changing the inclination of the side frame 12 as described above, the distance between the side injection nozzles 14 and the injection direction can be arbitrarily controlled. Even when the width and height of the culm or the distance between the culms are taken into account, the herbicide can be sprayed according to the situation and the problem of herbicide adhesion to surrounding crops can be solved. .

  The lever 17 that opens and closes the arm portion 26 is configured to be freely movable, and can be formed with a lock mechanism that can maintain a state in which the lever 17 is pulled or released. . Furthermore, it is also desirable to form the arm portion 26 so that the open / closed state can be maintained in an arbitrary state. This is because the spraying operation can be performed without the need to operate the lever 17 when the spraying range of the liquid is constant.

  In the present embodiment, a ring member 24 is provided at the tip of the arm portion 26 and the inside of the side frame 12, and the ring members 24 are connected to each other by a cable 27. Thereby, since the length of the cable 27 can be easily changed, the extending direction and the swing angle of each side frame 12 can be arbitrarily adjusted. It should be noted that the connection between the tip of the arm portion 26 and the inside of the side frame 12 can also be connected by a rod-shaped rod unless a change in length is required.

  As described above, the upper frame 11 in the shape of a tortoiseshell bracket and the side frame 12 provided on the extension from both ends in the longitudinal direction are formed in the shape of a tortoiseshell bracket as a whole, and liquids such as drugs and fertilizers are used. The scattering direction when sprayed can be concentrated on the center side. In order to further ensure the dispersion range of the liquid, a scattering prevention cover can be provided so as to cover the upper frame 11, the side frame 12, or the upper frame 11 and the side frame 12. Such a scattering prevention cover can be formed in an umbrella shape that extends downward in the width direction from each frame, although not shown.

  Since the liquid spraying device 10 according to the present embodiment is formed so that an operator can hold it and operate it, the spraying part 30 (upper frame 11) is used to reduce the burden during the spraying work. ) Is provided with a hanging string 21. In the present embodiment, the hanging strap 21 is provided with a hook 22 on the distal end side so that it can be hooked on the operator's belt 23 or the like. The hanging strap 21 only needs to be able to suspend at least the spraying portion 30 on the operator's body, and thus may be formed so that it can be suspended on the shoulder or neck other than the operator's belt 23. .

  Further, the liquid spraying apparatus 10 according to the present embodiment includes a tank 18 that stores liquid to be pumped to the upper jet nozzle 13 and the side jet nozzle 14. The tank 18 may be accompanied by power from a compressor, a pump, or the like, or may be accompanied by a compression pump that pressurizes the liquid by bringing the inside of the tank 18 into a pressurized state. Since the tank 18 contains liquid, it can be considered that the tank 18 has a constant mass. Therefore, the tank 18 can be provided with a suspending band that is suspended from an operator or the like, or placed on a carrier or the like with wheels.

  The tank 18 and each of the spray nozzles (13, 14) are connected by a tube 19 through which the pumped liquid moves. In the present embodiment, the tube 19 is provided with a cock as the opening / closing means 20 that can arbitrarily select any nozzle. By providing such opening and closing means 20, only the upper injection nozzle 13, only the side injection nozzle 14 (both or one), only the upper injection nozzle 13 and any one of the side injection nozzles 14, like all injection nozzles, etc. The liquid can be sprayed in various patterns, and can be arbitrarily adjusted according to the spraying location and the situation.

  Next, a liquid spraying apparatus 50 according to the second embodiment will be described with reference to FIG. 3, members having the same functions as those in FIG. 1 are given the same reference numerals in FIG. 3, and detailed descriptions thereof are omitted. In particular, in the liquid spraying device 10 in this embodiment, the upper frame 11 is formed in a straight line, and side frames 12 are provided at both ends in the length direction so as to be swingable via hinges 25. The upper frame 11 is provided with an upper injection nozzle 13, and the left and right side frames 12 are provided with side injection nozzles 14, respectively.

  In the liquid spraying device 50 according to the second embodiment, an elastic member 29 such as a spring or rubber is provided between the left and right side frames 12 in an erected state. Since the elastic member 29 urges the left and right side frames to draw each other, both are directed inward (FIG. 3A).

  A cable 27 is connected to the outside of each side frame 12, and the cable 27 extends to the operator's hand side. Therefore, the operator can open the distal end side of the opposed side frame 12 by operating the ring body 28 and pulling the cable 27. In particular, in the present embodiment, both the left and right side frames 12 are swung. However, if the cable 27 connected to any one of the side frames 12 is pulled, the side frame 12 on the pulled side is pulled. Can be selectively swung.

  Also in the liquid spraying device 50 shown in the second embodiment, the side frame 12 is provided so as to be swingable with respect to the upper frame 11, so that the side frame 12 is swung. Thus, the injection direction of the side injection nozzles 14 and the interval between the side injection nozzles 14 can be arbitrarily adjusted.

  In FIG. 3, the tank 18 for storing the liquid to be sprayed and the tube 19 for guiding the liquid in the tank 18 to the injection nozzle are not shown. However, as shown in the first embodiment, they are appropriately installed. Of course it should be.

  The liquid spraying device of the present invention can be used in the agricultural field as a device for spraying chemicals such as agricultural chemicals and liquids such as fertilizers. Furthermore, this liquid spraying device can be used as a device for spraying adhesives or paints, for example, and can be used not only in the agricultural field but also in the building field and the manufacturing field, for example.

10 Liquid sprayer
11 Upper frame
12 side frame
13 Upper spray nozzle
14 Side injection nozzle
15 Operation
16 Grip part
17 Lever
18 tanks
19 tubes
20 Opening and closing means
21 String
22 hook
23 Belt
24 Ring member
25 Hinge
26 Arm part
27 Cable
28 Ring body
29 Elastic member
30 Spraying part
50 Liquid spreader

Claims (4)

A liquid spraying device having a spraying part for spraying liquid to be pumped,
The spraying portion includes an upper frame having an upper spray nozzle that sprays the liquid to be pumped downward.
A side frame provided with a side injection nozzle that is provided at a longitudinal end of the upper frame and that injects liquid that is pumped in a direction that intersects with the liquid injected from the upper injection nozzle;
The liquid spraying device, wherein the side frame is provided so as to be swingable with respect to the upper frame.
The side frames are provided on both sides in the length direction of the upper frame,
The upper frame and the frame portion composed of the two side frames provided at both ends thereof are formed in a turtle shell shape as a whole,
2. The liquid spraying device according to claim 1, wherein the two side frames are provided on the upper frame so as to be swingable in directions facing each other.
3. The liquid spraying device according to claim 1, wherein an operating rod having a grip portion is provided in a standing shape on the upper frame, and a hanging string to be attached to a user is connected to the upper frame.
  The liquid spraying device according to any one of claims 1 to 3, wherein at least one of the upper jet nozzle and the side jet nozzle is provided with an opening / closing means for controlling jetting of the liquid to be pumped. .