KR100337392B1 - Apparatus for sprinkling agricultural chemicals - Google Patents

Abstract

Pesticide spreader has a tank, a loading table for loading this tank. The rear end of the tank has a semicircular injection tube and a first spraying means having a plurality of nozzles arranged in the injection tube, the injection tube being divided by a partition wall near the center. The second spraying means is installed in front of the first spraying means, the second spraying means is a support body fixed to the mounting table, a shaft fixed to the support body, a hub rotatably coupled to the shaft, fixedly coupled to the hub A reel that rotates with the hub, an oil pipe formed through the central axis of the shaft, and a hose wound around the reel. The pumping means is connected by an inlet pipe and an outlet pipe disposed between the tank and the pumping means, and an intake pipe is connected to the intake pipe, and a switching valve means is formed at the connection part to reverse the opening and closing directions of the intake pipe and the inlet pipe. To do that. The left injection pipe of the first spraying means is connected to the pumping means by the first distribution pipe, the right injection pipe is connected to the pumping means by the third distribution pipe, and the hose is connected to the second distribution pipe and the pumping means through the oil pipe. Valves are disposed in the first, second, and third distribution pipes, respectively, to individually regulate the flow of fluid.

Description

Pesticide spreader {Apparatus for sprinkling agricultural chemicals}

The present invention relates to a pesticide sprayer, and more particularly to a pesticide sprayer for spraying the pesticide in the form of a solution by mechanical power.

Conventional pesticide sprayer using a mechanical power to spray the pesticide is usually sprayed through the nozzle the solution in which the pesticide is dissolved, at this time using a blowing fan to evenly spray the solution. However, in the case of the pesticide sprayer using the blowing fan as described above, the equipment becomes complicated and expensive, while the effect of using the blowing fan has been not so excellent.

In the case of pesticide sprayers using mechanical power, it is usually difficult to move pesticide sprayers to such areas in narrow roads or rough areas such as orchards, and therefore, long hoses are usually used. In this case, since the hose is transported separately from the pesticide spraying device in a state of being wound on a suitable reel, there is an inconvenience in transporting, handling and storing.

An object of the present invention is to provide a pesticide sprayer that is easy to manufacture and cheap enough to obtain a sufficient spraying effect without using a blower fan.

It is another object of the present invention to provide a pesticide sprayer in which a hose-reel for spraying pesticides is provided even in a narrow road or a rough area.

Still another object of the present invention is to provide a pesticide sprayer provided with a valve structure that can facilitate intake and solution delivery.

The pesticide sprayer according to the present invention includes a tank having a predetermined volume; Loading table for loading this tank; First spraying means supported at one end of the mounting table and including a spray pipe having a plurality of spray nozzles; Second spraying means supported at one end of the mounting table and having a reel and a hose having a predetermined length arranged to be wound and unwound on the reel; A pumping means having a pump for introducing the solution stored in the tank and then sending the solution to the first spraying means and the second spraying means for spraying; An inlet pipe for guiding the inflow of the solution from the tank to the pumping means; First and second dispensing pipes for discharging the solution from the pumping means to the first and second spraying means, respectively, characterized in that each dispensing pipe has a valve capable of interrupting the flow of the liquid.

1 is a perspective view showing a pesticide spreader according to the present invention connected to a cultivator as power and transport means;

Figure 2 is a rear view of the pesticide sprayer for showing the first and second spraying means for spraying the pesticide in the pesticide sprayer according to the present invention,

Figure 3 is a cross-sectional view taken along the line A-A of Figure 2 for showing the structure of the second spray means in the pesticide sprayer of the present invention,

4A is an enlarged view of the portion B of FIG. 1 to show a switching valve for intake into a tank and for discharging the solution from the tank to spray means;

4B is a cross-sectional view taken along the line C-C of FIG. 4A;

Figure 5 is a partially enlarged view showing a first spray means of the pesticide sprayer of the present invention,

Figure 6 is a schematic diagram for showing the liquid flow in the pesticide sprayer of the present invention.

Explanation of symbols on the main parts of the drawings

10: pesticide sprayer 12: tank

14: mounting table 20: first spraying means

22: injection pipe 24: nozzle

28: support body 30: second spray means

32: reel 34: shaft

36: hub 40: bearing

44: related 50: hose

52: intake pipe 56: inlet pipe

58: discharge pipe 60: pumping means

62: pump 64,66,68: distribution pipe

70 switch valve means

1,2,3 together, the pesticide sprayer 10 of the present invention is shown as being connected to the cultivator 11 as a power and conveying means, and as the power means can use various kinds of prime movers other than the cultivator 11. There will be. The pesticide sprayer 10 includes a tank 12 and a mounting table 14 for loading and supporting the tank 12, the tank 12 is provided with an openable lid 13. The mounting table 14 is provided with a pair of wheels 16 on both left and right sides for convenience of movement, and the tank 12 is fixed to the mounting table 14 by bands 18.

The rear end of the tank 12 is provided with a first spraying means 20, which is a semi-circular hollow spray tube 22 and a plurality of spraying tubes 22. It has a nozzle 24. The injection pipe 22 is divided into two parts by the partition wall about the center thereof, and is divided into the left injection pipe 22a and the right injection pipe 22b, and the left and right injection pipes 22a and 22b may separately spray the solution or It is also possible to spray at the same time, which will be described later. The injection pipe 22 is firmly supported by the mounting table 14 by the vertical support 26 and the horizontal support 27.

A second spraying means 30 is provided in front of the first spraying means 20, in particular with reference to FIG. 3, the second spraying means 30 is a support body 28 which is fixed upright to the right end of the mounting table 14. It is firmly fixed to). The second spray means 30 comprises a shaft 34 fixed to the support body 28, a hub 36 rotatably mounted via bearings 40 on the shaft 34, and the hub 36. And a reel 32 fixed to the hub 36 by the fixing means 42 to rotate with it. A cover 38 is installed on the front surface of the hub 36, and a hose 50 is wound around the reel 32. As such, when the structure of the second spraying means 30 is formed, the reel 32 is supported by one support body 28 through the shaft 34 and the hub 36, so that the reel 32 is rotated so that the hose ( Not only can the 50 be wound on or released from the reel 32, but the reel 32 can be wound and the hose 50 can be wound or released on the reel 32 while being fixed.

The second spray means 30 may further include an oil pipe 44 disposed through the central axis of the shaft 34 and the support body 28 and the cover 38. One end of the oil pipe 44 on the side of the support body 28 is connected to the second distribution pipe 66 for delivering the solution from the tank 12, as described later, and the other of the oil pipe 44 on the hub 36 side. The ends are each connected to a hose 50 using nipples 46. The right end of the milk pipe 44 is fixed to the cover 38 by welding or the like, while the end of the support body 28 of the milk pipe 44 is formed such that a sliding motion occurs. As such, the shaft 34 and the hub 36 are rotated so as to slide each other even when the reel 32 rotates. As a result, the hub 36, the reel 32, and the oil pipe 44 rotate integrally. 32) the hose 50 is wound or unwound. On the other hand, the end of the oil pipe 44 on the side of the support body 28 is a sliding motion is generated so that the torsion phenomenon does not occur in the second distribution pipe 66 connected to the milk pipe 44.

1 and 2, the pesticide sprayer 10 has a water intake pipe 52 having an intake port 54 for supplying water to the tank 12, and removes foreign substances in the intake port 54. Filters are provided. In addition, the pesticide sprayer 10 includes a pumping means 60 for spraying the intake and the solution (mixture of water and pesticide) stored in the tank 12 to the first, second spraying means (20, 30) and sprayed .

The pump 62 of the pumping means 60 and the tank 12 are connected by the inlet pipe 56 to deliver the solution stored in the tank 12, and also the left and right portions of the first spraying means 20. Pump 62 by second distribution pipe 66 for supplying solution to first, third distribution pipes 64, 68 and second spraying means 30 for supplying solution to duct 22a, 22b. ) And the respective spraying means 20, 30 are connected to each other. This will be described later with reference to FIGS. 5 and 6.

A part indicated by 'B' of FIG. 1 represents the interconnection relationship between the intake pipe 52 and the inflow pipe 56, and when water is sucked through the intake pipe 52, the intake pipe 56 is then intake. After passing through the pumping means 60, the water is stored into the tank 12 through the discharge pipe 58. At the time of intake, the solution stored in the tank 12 is blocked between the tank 12 and the inlet pipe 56 so as not to flow into the pumping means 60.

That is, referring to FIGS. 1, 4A, and 4B together, FIGS. 4A and 4B are enlarged views of part B of FIG. 1 to show a switching valve means between an inlet pipe and a water intake pipe. The switching valve means 70 is a ball valve 76 disposed inside the intake pipe 52 and the inflow pipe 56, and levers 71 and 72 for opening and closing the ball valves 76. ) And a link 74 interconnecting the levers 71, 72. One of the levers 71 and 72 is formed long to be easily manipulated by hand, and the ball valves 76 formed in the intake pipe 52 and the inlet pipe 56 are alternately opened and closed. Is placed.

According to the switching valve means 70 having such a structure, the opening and closing of the intake pipe 52 when the solution is discharged from the tank 12 to each spraying means 20 and 30 for intake or solution spraying, and thus Closing and opening of the inlet pipe 56 is made at the same time. That is, at the time of intake, when the lever 71 of the switching valve means 70 is moved to the position of the intake pipe 52, the ball valve 76 of the inlet pipe 56 is closed by the link 74 at the same time. Therefore, the opening and closing of the intake pipe 52 and the inlet pipe 56 by one operation of the lever 71 is made at the same time in the opposite direction to each other. Therefore, during intake, water is stored in the tank 12 through the inlet pipe 56 and the pump 62 through the discharge pipe 58 through the intake pipe 52.

5 is a partially enlarged view showing a first spraying means of the pesticide spraying device of the present invention, the first spraying means 20 is a semi-circular spray pipe 22 and a plurality of nozzles 24 are installed at equal intervals in the spray pipe Has Each nozzle is provided with a guide cap 25 to improve the scattering effect when spraying, the guide cap 25 is usually in a funnel shape. The injection pipe 22 is fixed to the mounting table 14 and the support body 28 by the vertical support 26 and the horizontal support 27. The injection pipe 22 is divided into the left and right injection pipes 22a and 22b by the partition 23 near the center thereof. The left injection pipe 22a is connected to the pumping means 60 by the first distribution pipe 64 and the right injection pipe 22b is connected to the pumping means 60 by the third distribution pipe 68.

6 is a schematic view showing the flow of the liquid in the present invention pesticide sprayer, the tank 12 and the pump 62 is connected by the inlet pipe 56 and the discharge pipe 58, the inlet pipe 56 is water intake It is connected with the pipe (52). A switching valve means 70 is disposed at the connection portion between the inflow pipe 56 and the intake pipe 52. Three distribution pipes are branched from the pump 62, the first distribution pipe 64 is connected to the left injection pipe 22a and the second distribution pipe 66 is the oil pipe 44 of the second spraying means 30. The third distribution pipe 68 is connected to the right injection pipe 22b. Each of the distribution pipes 64, 66, 68 is provided with a valve 69 to independently regulate the flow of fluid.

Looking at the action of the pesticide sprayer having the structure as described above, the pesticide sprayer 10 is connected to a power means such as a tiller to drive the pump 62. During intake, when the intake pipe 52 is placed in the open position by operating the lever 71 of the switching valve means 70, the fluid communication between the inflow pipe 56 and the tank 12 is correspondingly blocked. By operation of the pump 62, water passes through the intake pipe 52 and the inlet pipe 56 and is then stored in the tank 12 through the discharge pipe 58. Upon intake, the first, second and third distribution pipes 64, 66 and 68 are in a closed state and the pesticide is introduced through the lid 13 of the tank 12. When the intake is finished, the intake pipe 52 is closed by operating the switching valve means 70 and the tank 12 and the inlet pipe 56 are opened to communicate with each other. In an area where the pesticide sprayer 10 can freely enter and exit, such as an area where a wide road has been opened, the pesticide is sprayed through the first spraying means 20, wherein the first and third distribution pipes 64 and 68 When the valve 69 is opened, the pesticide can be sprayed at the same time through the left and right injection pipes 22a and 22b of the first spraying means 20. On the contrary, if only one of the first or third distribution pipes 64 and 68 is opened, the pesticide can be sprayed through only one of the left injection pipe 22a or the right injection pipe 22b.

In areas with narrow roads or in areas such as mountainous or orchards, pesticides are sprayed using the second spray means 30. That is, since the reel 32 of the second spraying means 30 can be loaded with a hose 50 having a suitable length according to the use, the pesticide is sprayed using the hose 50 while the pesticide sprayer 10 is placed at an appropriate position. In this case, by opening the valve 69 of the second distribution pipe 66 connected to the oil pipe 44, it is possible to spray the pesticide in the desired area.

In addition, according to the pesticide spraying machine 10 of the present invention, it is a matter of course that the pesticide spraying can be performed by using the first spraying means 20 and the second spraying means 30 at the same time.

According to the present invention, there is no need for a blowing fan, thereby providing a pesticide sprayer having a simple structure and low manufacturing cost.

Since the pesticide sprayer of the present invention can use a sufficient prime mover such as a tiller as a power source, a powerful spraying effect can be obtained, and pesticide spraying can be carried out using various prime movers.

Pesticide spraying machine of the present invention has the advantage that can be easily sprayed pesticide in a rough area such as an orchard as well as a wide road.

Claims (8)

A tank having a constant volume; A loading table for loading the tank; A first spraying means which is supported at one end of the mounting table and comprises a pair of spray pipes formed in a semicircular shape and having a plurality of spray nozzles so as to block the communication of the liquid near the center; Second spraying means supported at one end of the mounting table and having a reel and a hose having a predetermined length arranged to be wound and unwound on the reel; A pumping means having a pump for introducing the solution stored in the tank and then sending the solution to the first spraying means and the second spraying means for spraying; An inlet pipe for guiding the inflow of the solution from the tank to the pumping means; First and second dispensing pipes for discharging said solution from said pumping means to said first and second atomizing means, each dispensing pipe having a valve capable of intermitting said flow of liquid; And Intake pipe connected to said inlet pipe for intake to said tank: A drain pipe connected between the pump and the tank of the pumping means, and when the water intake is in the tank, the intake pipe is opened while the communication of the liquid between the tank and the inlet pipe is closed, and conversely, the liquid in the tank. In the case of spraying the intake pipe is closed and further comprises a switching valve means for opening the inlet pipe so that the communication of the liquid between the tank and the inlet pipe by the intake pipe and the inlet pipe and Allowing the tank to be withdrawn by the pumping means through the discharge pipe; Pesticide sprayer comprising a. delete The method of claim 1, The switching valve means includes a ball valve disposed in each of the inlet pipe and the intake pipe, a lever connected to each of the ball valves, and a link connecting the levers to each other, according to the opening and closing of the intake pipe. Pesticide sprayer is closed and open communication of the liquid between the inlet pipe. The method of claim 1, The injection pipe of the first atomizing means further comprises a third distribution pipe having a valve capable of intermitting the flow of the liquid, the first distribution pipe being connected to any one of the divided injection pipes and 3 The dispensing pipe is connected to the other of the divided injection pipe, it is possible to selectively deliver the solution from the pumping means to the divided injection pipe. The method of claim 1, The second spray means is a support body fixed to the mounting table, a shaft fixed to one end to the support, a hub that is slidably mounted on the shaft, and the hose connected to the hub and rotates with the hub Pesticide spreader comprising a reel for loading the. The method of claim 5, And an oil pipe formed through the central axis of the shaft, wherein one end of the oil pipe is connected to the second distribution pipe and the other end is connected to the hose. The method of claim 6, The oil pipe of the side connected to the hose is fixed to the hub so as to rotate with the hub, but the oil pipe of the support body has an idle structure so that the twisting phenomenon does not occur in the second distribution pipe. The method according to any one of claims 4 to 7, A water intake pipe connected to the inlet pipe for intake into the tank, a discharge pipe connected between the pump and the tank of the pumping means, and the water intake pipe is opened while the water intake into the tank opens while the tank and the inflow pipe The communication between the liquid is closed, on the contrary, when spraying the liquid in the tank, the intake pipe is closed and the switch valve means for opening the inlet pipe so that the liquid is communicated between the tank and the inlet pipe. Pesticide sprayer to be taken into the tank by the pumping means through the intake pipe and the inlet pipe and the discharge pipe when the intake.