KR102131093B1 - pesticide for spraying Pumping device - Google Patents

Abstract

The present invention relates to a pumping apparatus for spraying pesticides. More specifically, the pumping apparatus for spraying pesticides of the present invention can pump and spray the pesticides from the outside through a higher pumping pressure while having a simple structure, and control a pumping pressure generated inside. The pumping apparatus for spraying pesticides includes a main body (100), an operation unit (200), a cover (300), and a pressure control unit (500).

Description

{Pesticide for spraying Pumping device}

The present invention relates to a pumping device for spraying pesticides, and more specifically, it is possible to pump and spray pesticides from the outside through a higher pumping pressure in a state having a simple structure, and to control the pumping pressure generated therein. It relates to a pumping device for spraying pesticides.

In general, pesticides are sprayed to control pests, such as animals and plants, which damage crops, and various devices have been developed to evenly spray pesticides on crops distributed over a large area.

Among them, a variety of structures have been developed and used in pesticide pumping devices capable of pumping and spraying the pesticide stored in the outer periphery at a constant pressure.

However, most of the pesticide pumping devices have a complicated structure, low breakdown, high manufacturing cost and maintenance cost, and low economical efficiency. There is a problem that the volume and energy consumption were large.

As a conventional technique for solving this problem, a "two-way piston double-row high-efficiency pump device for a pesticide sprayer" has been proposed.

The prior art minimizes the structure, volume, and motor capacity of the pesticide pumping device, while allowing the pumping ability of the chemical to be significantly improved, as well as simplifying the production and reducing costs by manufacturing in combination with the assembly method. It can be expected, and by improving the power transmission system for the operation of the cam, a simple and effective pumping operation is possible. In particular, as the piston-type pumping structure is composed of two-way up and down double-row, higher pressure and high-performance pumping operation This is made possible.

However, in the prior art, the link unit and the piston rod are coupled to the rotating shaft on which the camwheel is formed to pump pesticides through a pumping movement, but the structure is complicated and maintained as the plurality of link units and the piston rod are organically connected to operate. There is a problem that maintenance is difficult.

In addition, a plurality of parts are mutually coupled to have a complicated structure, which increases the load, and there is a problem in that maintenance is not easy, such as malfunction occurring inside, and it is difficult to control pressure.

Korean Patent Publication No. 10-2016-0102615 (2016.08.31)

The present invention has been devised to solve the above problems, and the object of the present invention is for spraying pesticides that are easy to maintain through a simple structure and improve pumping performance by high pressure to smoothly spray fluid. It is to provide a pumping device.

Another object of the present invention is to provide a pumping device for spraying pesticides having a structure in which a fluid is unidirectionally flowed through a one-way valve, and the fluid flows smoothly.

Another object of the present invention is to provide a pumping device for spraying pesticides that measures a pressure generated by an internal cylinder to control a motor to prevent overload, and controls the speed of the motor to control the injection amount. .

The present invention for achieving the above object is formed in the inlet chamber and the discharge chamber for discharging the fluid, the inlet chamber and the discharge chamber are arranged in a horizontal direction so that both ends are open, the inlet chamber and the discharge A main body formed between the threads and having both sides of the horizontal direction and a power chamber with the other surface open; An operation unit coupled to the power room to generate pressure through left and right reciprocating motion; It is characterized in that it consists of a cover formed with a through hole connecting the inlet groove and the inlet groove formed at positions corresponding to the inlet chamber, the power chamber, and the outlet chamber, which are coupled to both sides of the main body and are opened.

The operation unit, the cam is rotated coupled to the cam shaft protruding from the motor disposed on the other side of the other side of the power room, and disposed in the horizontal direction of the power room, the cam is disposed in the seating groove formed in the center of the cam It is preferably made of a cylinder exposed to both sides through the left / right movement according to the rotation of.

A first insertion groove formed at both ends of the inlet chamber and the discharge chamber, and a valve coupled to the first insertion groove formed in the inlet chamber and the outlet chamber to flow a fluid in one direction are coupled. 1 The seating plate seated in the insertion groove and the body, which protrudes to one side from the center of the seating plate, and is formed of a body having a plurality of discharge grooves formed around it, and is moved along the longitudinal direction inside the protrusion to open and close the discharge groove. It is preferably made of an elastic member that is disposed between the packing member and the inner surface of the protrusion and the packing member to apply an elastic force to move the packing member in one direction.

A second insertion groove formed at both ends of the power chamber, and a third insertion groove formed in the inflow groove corresponding to the power chamber, and disposed between the second insertion groove and the third insertion groove in the cover to the power chamber A sealing portion that prevents fluid from entering is further included, wherein the sealing portion includes a first sealing member having a 0 ring shape inserted into the second insertion groove, and a second sealing having a 0 ring shape inserted into the third insertion groove. It is preferable that the member is disposed between the first sealing member and the second sealing member and a finishing member for pressing the first sealing member and the second sealing member.

A pressure adjusting groove that penetrates through the discharge chamber and protrudes to the outside of the main body, and a pressure adjusting unit coupled to the pressure adjusting groove to adjust the pressure of the discharge chamber is further included, wherein the pressure adjusting unit is provided in the pressure adjusting groove. A combined housing, a pressure measuring sensor installed inside the housing to measure the pressure applied to the discharge chamber, and a pressure adjusting lever installed on the top of the housing to adjust the pressure measured in the pressure measuring sensor, When a predetermined amount of pressure adjusted through the pressure regulating lever is measured by the pressure measuring sensor, it is preferable that it consists of a controller that controls the motor.

It is preferable that the through hole of the cover is gradually narrowed toward a position where the fluid is introduced and discharged.

According to the pumping device for spraying pesticides according to the present invention, it is easy to maintain through a simple structure, and improves pumping performance by high pressure, thereby effectively spraying fluid.

Advantageous Effects of Invention According to the present invention, the fluid can be unidirectionally flowed through a one-way valve, the fluid is smoothly moved through a structure that smoothly moves the fluid, and the load applied to the cylinder by the fluid can be reduced. have.

According to the present invention, the pressure generated by the cylinder inside is measured to control the motor to prevent overload, and the speed of the motor can be adjusted to control the injection amount.

1 is a perspective view showing a pumping device for spraying pesticides according to the present invention,
Figure 2 is an exploded perspective view showing an exploded state according to the present invention,
3 is a cross-sectional plan view according to the present invention,
Figure 4 is a side cross-sectional view according to the invention,
5 is an operation diagram showing an operation state according to the present invention.

Hereinafter, a pumping device for spraying pesticides according to the present invention will be described in detail together with the accompanying drawings.

1 is a perspective view showing a pumping device for spraying pesticides according to the present invention, FIG. 2 is an exploded perspective view showing an exploded state according to the present invention, FIG. 3 is a flat cross-sectional view according to the present invention, and FIG. 4 is the present invention It is a side cross-sectional view, Figure 5 is an operational view showing the operating state according to the present invention.

1 to 5, the present invention relates to a pumping device for spraying pesticides, and more specifically, by spraying pesticides from the outside through a higher pumping pressure in a state having a simple structure. It may be, and relates to a pumping device for spraying pesticides that can control the pumping pressure generated inside.

To this end, the present invention is composed of a body 100, an operation unit 200, and a cover 300 so as to pump and inject fluid through a power operated by a motor.

The main body 100 is formed with an inlet chamber 110 through which fluid is introduced and an outlet chamber 120 through which fluid is discharged, and the inlet chamber 110 and the outlet chamber 120 are horizontally arranged such that both ends are opened. The power chamber 130 is formed between the inlet chamber 110 and the outlet chamber 120 and has both sides and horizontal surfaces opened in the horizontal direction.

The operation unit 200 is coupled to the power room 130 to generate pressure through left and right reciprocating motion.

The cover 300 is coupled to both sides of the main body, the inflow grooves 310 formed at positions corresponding to the inflow chamber 110, the power chamber 130, and the discharge chamber 120, and the inflow A through hole 320 interconnecting the grooves 310 is formed.

As described above, the fluid is pumped using the pressure generated through the reciprocating motion of the operation unit 200 to move along the main body 100 and the cover 300 to spray the fluid.

At this time, the fluid is made of liquids such as pesticides and nutrient solutions that can supply pests and nutrients to the crops.

Next, the main body 100, the operation part 200, and the cover 300 according to the present invention will be described in detail.

First, the main body 100 is provided with the inlet chamber 110 and the outlet chamber 120 for introducing and discharging fluid, and is formed between the inlet chamber 110 and the outlet chamber 120 to pump fluid. The power room 130 is provided.

Here, the inlet chamber 110 and the outlet chamber 120 are disposed in a horizontal direction, and both sides of the main body 100 are opened to have a tubular shape to allow fluid to flow.

In addition, a connection pipe 102 is formed at a central portion of the inlet chamber 110 and the outlet chamber 120 to protrude to one surface of the main body and connect to a hose that supplies and discharges fluid from the outside.

And the power chamber 130, the moving space 130a disposed in the horizontal direction between the inlet chamber 110 and the discharge chamber 120 and both side surfaces of the main body 100 are opened and the central portion is the main body. A coupling space 130b that is opened in the other surface direction of 100 and is connected to external power is formed.

Accordingly, in the main body 100, the inflow chamber 110, the power chamber 130, and the discharge chamber 120 are sequentially arranged, and the fluid flowing into the inflow chamber 110 is the discharge chamber It flows to 120 and is discharged at high pressure.

In addition, the power room 130 may receive power through the other surface which is opened while the other surface is combined with the motor 600.

Next, the operation unit 200 is installed in the power room 130 and then operated to generate left and right reciprocating motions by the motor 600 to pump fluid introduced from the inflow chamber 110 by pressure. By doing so, it is discharged at a high pressure from the discharge chamber 120.

The operation unit 200 for this is composed of a cam 210 and the cylinder 220.

The cam 210 rotates by being coupled to a camshaft 610 protruding from the motor 600 disposed outside the other surface of the power room 130.

That is, the cam 210 has a cylindrical shape, and is rotated by rotational force generated by the motor 600 coupled to the other side of the main body 100 by being eccentrically coupled with the camshaft 610.

The cylinder 220 is disposed in the horizontal direction of the power room 130, the cam 210 is disposed in the seating groove formed in the center, both sides through the left / right movement according to the rotation of the cam 210 As exposed.

Therefore, the cylinder 220 is installed in the longitudinal direction in the moving space (130a) of the power chamber 130 by the rotation of the cam 210 coupled to the seating groove 221, the left and right of the body. It is a reciprocating movement.

At this time, both ends of the cylinder 220 are opened and exposed to both sides of the main body 100.

In addition, the motor 600 is made of a dc method that operates by receiving external power, and is connected to an externally exposed connection line to a location that supplies power, such as a battery, to receive electricity.

Next, the cover 300 is coupled to both sides of the main body 100, and closes both sides of the inlet chamber 110, the outlet chamber 120, and the power chamber 130.

Here, one surface of the cover 300 is in close contact with both sides of the main body 100, the inflow groove 310 is formed in the other direction, the inflow groove 310 is the inlet chamber 110, the outlet chamber It is formed in the same size at the position corresponding to the 120 and the power room 130.

That is, the inflow groove 310 corresponding to the inflow chamber 110 and the discharge chamber 120 flows, and the inflow groove 310 corresponding to the power chamber 130 is the cylinder 220 ) And fluid moves.

Therefore, the fluid supplied to the inflow chamber 110 can sequentially flow through the inflow grooves 310 of the cover 300 to be supplied to the discharge chamber 120.

At this time, by controlling the pressure of the inlet groove 310 through the operation unit 200 installed in the power chamber 130 to pump the fluid in the inlet chamber 110, the supply to the discharge chamber 120 It is possible.

In addition, the through hole 320 is made to connect a plurality of the inlet grooves 310 to each other so that a fluid can flow.

Therefore, the through hole 320 is formed to be gradually narrowed toward the position from which the fluid flows in and out.

Through this, the fluid pumped by the pressure generated by the operation unit 200 may control the speed at which the fluid moves according to the pressure while flowing through the through hole 320 gradually narrowing.

In addition, the through hole 320 is formed to facilitate fluid flow when the cylinder 220 is operated.

That is, the through hole 320 connects the inflow chamber 110 and the inflow groove 310 formed in the power chamber 130, and the inflow formed in the power chamber 130 and the discharge chamber 120 The groove 310 is connected.

At this time, the inlet groove 310 connecting the inlet chamber 110 and the power chamber 130 is formed with the through hole 320 in the central portion to move the fluid by the pressure generated by the cylinder 220 do.

In addition, the inflow groove 310 connecting the operation chamber 130 and the discharge chamber 120 is connected to the discharge chamber 120 at the inner end of the inflow groove 310 corresponding to the operation chamber 130. It is formed to be inclined to be supplied to the central portion of the corresponding inlet groove (310).

Through this, the fluid supplied to the inlet chamber 110 by the pressure generated in the cylinder 220 is pumped to the inlet groove 310, without being disturbed by left and right reciprocating movement of the cylinder 220. A large amount of fluid introduced into the inflow groove 310 may be supplied to the discharge chamber 120.

In addition, the inlet chamber 110 and the outlet chamber 120 further includes a valve 400 to prevent fluid from flowing backward.

To this end, the first insertion grooves 101 formed at both ends of the inflow chamber 110 and the discharge chamber 120, and the first insertion grooves formed in the inflow chamber 110 and the discharge chamber 120 ( 101) is coupled to each of the valves 400 to flow the fluid in one direction.

At this time, the valve 400 is composed of a body 410, a packing member 420 and an elastic member 430.

The body 410 protrudes to one side from the center of the seating plate 411 and the seating plate 411 that are seated in the first insertion groove 101, and a plurality of discharge grooves 413 are formed around it ( 412).

And it is preferable that the sealing of the rubber material is prevented from leaking the fluid around the seating plate 411.

The packing member 420 moves in the longitudinal direction from the inside of the protrusion 412 to open and close the discharge groove 413.

The elastic member 430 is disposed between the inner surface of the protrusion 412 and the packing member 420 to exert an elastic force to move the packing member 420 in one direction.

Therefore, the valve 400 may be supplied with fluid through the discharge groove 413 according to the position of the packing member 420 moving in the interior of the protrusion 412 by fluid and pressure, and the packing member ( 420) is moved in one direction by the elastic member 430.

Through this, if no pressure is applied, the packing member 420 moved by the elastic member 430 is closed to prevent fluid from flowing, and when pressure is present, the packing member 420 moves to flow the fluid. It is made to be.

The valve 400 is formed in the inlet chamber 110 and the outlet chamber 120, respectively, and is coupled to the first insertion groove 101 according to the flow direction of the fluid.

Therefore, the valve 400 is disposed in the discharge groove 413 in the direction in which the fluid flows.

That is, the protrusion 412 of the valve 400 is coupled to the inflow chamber 110 so that it is exposed to the outside, and the protrusion 412 of the valve 400 is inserted into the discharge chamber 120. It is combined so that the fluid can flow in one direction.

In addition, the sealing unit 132 is coupled to the power chamber 130 to prevent the inflow of fluid and the leakage of the oil in the operating unit.

To this end, a second insertion groove 131 formed at both ends of the power chamber 130 and a third insertion groove formed in the inflow groove 310 corresponding to the power chamber 130 in the cover 300 ( 330 and the second insertion groove 131 and the third insertion groove 330 is disposed between the sealing unit 132 to prevent the fluid from entering the power chamber 130 is further included.

At this time, the sealing portion 132 is composed of a first sealing member 131, a second sealing member 134 and the closing member 135.

The first sealing member 131 is formed of a zero ring shape inserted into the second insertion groove 131.

The second sealing member 134 is formed of a zero ring shape inserted into the third insertion groove 330.

The closing member 135 is disposed between the first sealing member 131 and the second sealing member 134 to press the first sealing member 131 and the second sealing member 134.

That is, the sealing portion 132 is located at the center when the main body 100 and the cover 300 are coupled, and the interval narrowing when the second insertion groove 131 and the third insertion groove 330 are engaged. Is fixed by.

And in the fixed state, the first sealing member 131 and the second sealing member 134 are respectively pressed against the closing member 135 to facilitate movement of the cylinder 220, and the first sealing member ( 131) prevents the oil injected into the operation chamber from flowing into the inflow groove 310, and the second sealing member 134 has a fluid flowing into the inflow groove 310 in the power chamber 130. To prevent it from entering.

At this time, the closing member 135 is fixed and pressed to the first and second sealing members 133 and 134 between the first sealing member 131 and the second sealing member 134.

And the upper end of the main body 100 further includes a pressure control unit 500 for adjusting the pressure of the discharge chamber 120.

To this end, the pressure adjusting groove 121 protruding out of the main body 100 through the discharge chamber 120 and the pressure adjusting groove 121 are coupled to control the pressure of the discharge chamber 120. The pressure regulating part 500 is formed.

The pressure regulating part 500 includes a housing 510, a pressure measuring sensor 520, a pressure regulating lever 530, and a controller 540.

The housing 510 is coupled to the pressure regulating groove 121.

In the housing 510, a space is formed in the interior, and the discharge chamber 120 having one end coupled to the pressure regulating groove 121 is formed to introduce pressure in the discharge chamber 120.

The pressure measurement sensor 520 is installed inside the housing 510 to measure the pressure applied to the discharge chamber 120.

The pressure measurement sensor 520 measures the pressure introduced from the discharge chamber 120 after being disposed inside the housing 510.

At this time, the pressure measurement sensor 520 is made of any one of the pressure measurement of the fluid, gas and the like introduced from the discharge chamber 120.

The pressure control lever 530 is installed on the top of the housing 510 to adjust the pressure measured by the pressure measurement sensor 520.

That is, the pressure regulating lever 530 is installed to control the pressure measuring sensor 520 inside the housing 510, and is exposed to the outside of the other side of the housing 510 to externally measure the pressure measuring sensor. 520 is made to be adjustable.

Through this, the pressure control lever 530 can be controlled from the outside to control the pressure measured by the pressure measurement sensor 520.

The controller controls the motor 600 when a predetermined amount of pressure adjusted through the pressure adjusting lever 530 is measured by the pressure measuring sensor 520.

The controller 540 is installed in any one of the housing 510 or the motor 600, and when the pressure value measured by the pressure measurement sensor 520 is higher than a high set value, the motor 600 Stops the operation.

At this time, the controller 540, the pressure measuring sensor 520 controls the pressure measured through the pressure control lever 530, and the control is made so that the motor can be started or operated through the adjusted pressure value. .

In addition, the controller 540 includes a power button 541 for controlling on/off of the motor 600 and a speed control button 542 for controlling the speed of the motor 600.

That is, exposed to the top of the controller, the user controls the operation of the power button 541 and then controls the rotational speed of the motor 600 through the pressure regulating lever 530 to control the pressure of the injected fluid. Can be adjusted.

Next, the operating state according to the present invention will be described.

First, the other side of the main body 100 is coupled to the motor 600.

Here, the inside of the main body 100, the operation unit 200 is installed in the power chamber 130, the cam 210 is made to enable eccentric rotation by the motor (600).

In addition, the motor 600 receives power from the outside, and controls the operation and rotation speed through the controller 540.

In addition, the cover 300 is coupled to both sides of the main body 100.

Therefore, when the cam 210 is rotated by the rotation of the motor 600, the cylinder 220 connected to the cam 210 is reciprocated in the left and right directions within the moving space.

Next, by the motor 600, the cylinder 220 is installed in the main body 100 to enable reciprocating left and right, and then connected to the connecting pipe 102 protruding from the upper and lower parts of the main body 100. It is made to connect the hose to supply and discharge the fluid.

As described above, in the state in which the operation unit 200 and the motor 600 are coupled to the main body 100, the motor 600 is operated to pump fluid to discharge at high pressure.

Here, the valve 400 and the sealing portion 132 are respectively coupled between the main body 100 and the cover 300 so that the fluid flows in one direction and no leakage occurs.

In addition, the pressure control unit 500 may be coupled to the main body 100 to control the pressure inside the main body through ON/OFF of the motor 600.

In this way, each configuration is coupled so that fluid can flow through the connecting pipe 102 of the inlet chamber of the main body 100.

Thereafter, when the motor 600 is operated, when the cylinder 220 moves in the left and right directions according to the eccentric rotation of the cam 210, the inflow groove 310 located in the center of the cover 300 ) Pressure is generated to pump.

At this time, the valve 400 of the inlet chamber 110 is opened and closed by the pressure generated according to the moving direction of the cylinder 220 while pumping fluid from the outside through the inlet chamber 110 to inhale. Is done.

The fluid sucked in this way flows from the inlet chamber 110 to the inlet groove 310 according to the pumping action of the cylinder 220 and then moves to the outlet chamber 120, and the The discharge is made at high pressure through the connecting pipe.

Here, the valve 400 of the discharge chamber 120 is opened and closed by the pressure generated by reciprocating left and right of the cylinder 220 to allow fluid to flow into the discharge chamber 120.

Therefore, by controlling the rotational force of the motor 600 to control the speed of the reciprocating motion of the cylinder 220, it is possible to adjust the pressure generated inside the main body 100.

As described above, when the operation unit 200 is operated, the fluid is pumped by adjusting the pressure along the left and right movement of the cylinder 220.

At this time, the valve 400 is opened and closed by pressure generated by the kinetic movement of the cylinder 220, and fluid is sequentially supplied.

That is, in the valve 400, the packing member 420 moves according to the pressure and fluid supplied during the reciprocating motion of the cylinder 220, so that the valve 400 of the inflow chamber 110 receives fluid. Supply, and the valve 400 of the discharge chamber 120 to discharge the fluid.

In addition, the cylinder 220 can be prevented from leaking fluid or oil even if the cylinder 220 is reciprocated at a high speed by being sealed by the sealing unit.

The pumped fluid is sprayed to the outside under high pressure to prevent pests such as crops and supply nutrients depending on the type of fluid.

In addition, when the injection of the fluid is stopped during the operation of the motor 600 to generate an internal pressure load, or when a pressure above a certain pressure in the body is measured during the injection of the fluid, the pressure control unit measures the pressure of the motor 600. Stop operation.

That is, the pressure of the fluid or air of the discharge chamber 120 is measured through the pressure measurement sensor 520.

At this time, the pressure measured through the pressure measurement sensor 520 may be adjusted from the outside through the pressure control lever 530 to adjust the measured pressure value.

When the pressure value measured by the pressure measurement sensor 520 is measured above the set pressure value, the controller 540 stops the operation of the motor 600.

Thereafter, when the pressure value of the discharge chamber 120 is lower than the pressure value set in the pressure measurement sensor 520, the motor 600 is operated.

As described above, the pressure in the main body 100 is measured through the pressure regulating unit 500 to control the motor 600 to stop the injection of fluid or to prevent the pressure load generated during long-term use.

As described above, the rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and various modifications and adaptations are possible within the scope of the rights described in the claims by those skilled in the art. It is obvious that you can do it.

100: main body 101: first insertion groove 102: connector
110: inlet chamber 120: outlet chamber
121: pressure control groove 130: power room
130a: moving space 130b: joining space
131: second insertion groove 132: sealing portion
133: first sealing member 134: second sealing member
135: closing member
200: operation unit 210: cam 220: cylinder
221: seating groove
300: cover 310: inlet groove 320: through
330: third insertion groove
400: valve 410: body 411: seat plate
412: protrusion 413: discharge groove
420: packing member 430: elastic member
500: pressure control unit 510: housing 520: pressure measurement sensor
530: pressure control lever 540: controller
541: Power button 542: Speed adjustment button
600: motor 610: camshaft

Claims (6)

An inlet chamber 110 through which fluid is introduced and an outlet chamber 120 for discharging fluid are formed, and the inlet chamber and the outlet chamber 120 are disposed in a horizontal direction so that both ends are opened, and the inlet chamber 110 The main body 100 is formed between the discharge chamber 120 and the power chamber 130 having both side ends and the other surface open in the horizontal direction;
An operation unit 200 coupled to the power room 130 to generate pressure through left and right reciprocating motions;
The inlet grooves 310 and the inlet grooves 310 formed at positions corresponding to the inlet chamber 110, the power chamber 130, and the outlet chamber 120 which are open to be coupled to both sides of the main body 100 ) Is made of a cover 300 having a through hole 320 interconnecting each other,
The operation unit 200,
The cam 210 is rotated by being coupled to a camshaft 610 protruding from a motor 600 disposed outside the other surface of the power room 130 and disposed in a horizontal direction of the power room 130, in the center. The cam 210 is disposed in the formed seating groove 221 and is composed of a cylinder 220 exposed to both ends through left/right movement according to the rotation of the cam 210,
A pressure control groove 121 that penetrates through the discharge chamber 120 and protrudes to the outside of the main body, and a pressure control unit 500 coupled to the pressure control groove 121 to regulate the pressure in the discharge chamber, are further provided. Included,
The pressure regulating unit 500, a housing 510 coupled to the pressure regulating groove 121, and a pressure measuring sensor 520 installed inside the housing 510 to measure the pressure applied to the discharge chamber ), a pressure control lever 530 installed on the top of the housing 510 to adjust the pressure measured by the pressure measurement sensor 520, and a certain amount of pressure adjusted through the pressure control lever 530 Pumping device for spraying pesticides, characterized in that consisting of a controller 540 for controlling the motor 600 when measured by the pressure measuring sensor 520. delete According to claim 1,
A first insertion groove 101 formed at both side ends of the inlet chamber 110 and the outlet chamber 120,
The inlet chamber 110 and the discharge chamber 120 is coupled to each of the first insertion grooves 101 formed in the valve 400 is coupled to flow the fluid in one direction,
The valve 400,
A body comprising a seating plate 411 seated in the first insertion groove 101 and a protrusion 412 protruding from the center of the seating plate 411 to one side and having a plurality of discharge grooves 413 formed around it 410),
And a packing member 420 to open and close the discharge groove 413 by moving along the longitudinal direction from the inside of the protrusion 412,
Pumping device for spraying pesticides, characterized in that it is disposed between the inner surface of the protrusion 412 and the packing member 420 to apply elastic force to move the packing member 420 in one direction. . According to claim 1,
A second insertion groove 131 formed at both ends of the power room 130,
The cover 300 has a third insertion groove 330 formed in the inlet groove 310 corresponding to the power chamber 130,
The second insertion groove 131 and the third insertion groove 330 is disposed between the sealing unit 132 to prevent fluid from entering the power chamber 130 is further included,
The sealing portion 132,
A first sealing member 131 having a 0 ring shape inserted into the second insertion groove 131,
A second sealing member 134 having a 0 ring shape inserted into the third insertion groove 330,
Characterized in that the first sealing member 131 and the second sealing member 134 is disposed between the first sealing member 131 and the second sealing member 134 to press the closing member 135 Pumping device for spraying pesticides. delete According to claim 1,
The through hole 320 of the cover 300 is a pumping device for spraying pesticides, characterized in that formed to be gradually narrowed toward the position discharged from the position where the fluid flows.

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