JPS6218278Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a water supply device to a chemical tank of a speed sprayer device that performs disinfection and pest control work in orchards, etc.

The speed sprayer device fills a large amount of chemical liquid in a chemical liquid tank and travels through the orchard.The water produced by the power sprayer is then turned into a mist at the nozzle, and the blower sends a large amount of air to reach the height of the tree. A device that blows air up.

However, since the chemical tank is mounted on the vehicle body and the water supply port is located at a high position, it is difficult for the operator to fill the tank with water. Conventionally, to solve this problem, a separate water supply pump was installed to supply water from the aquarium or irrigation water to the chemical tank.

The present invention does not require a separate water supply pump as in the past, but instead comprises a jet pump that supplies water using the nozzle effect of the power sprayer attached to the speed sprayer itself.

The purpose of the present invention is as described above, and the structure of the present invention will be explained based on the structure of the embodiment shown in the attached drawings.

Fig. 1 is a side view of the speed sprayer device, Fig. 2 is a side view with the front cover 2 and rear cover 3 partially removed, Fig. 3 is a plan view of Fig. 2, and Fig. 4 is a side view of the speed sprayer device. The rear view and FIG. 5 are piping system diagrams.

4 wheels on the left and right sides of the wheel frame 7, total 8
Wheels are provided, and all eight wheels are driven by a chain in the wheel frame 7.
A chassis 9 is fixed on the wheel frame 7, and a chemical tank 1, a blower engine 17, a nozzle 4, a blower 5, etc. are placed on the chassis 9. 2
9 is a safety cover for the blower 5, and 6 is a safety card. A driving engine 11 is mounted at the center of the front end of the wheel frame. A battery 13 and a fuel tank 12 are provided on the left side of the running engine 11, and a clutch pedal 27, a brake pedal 26, and left and right steering clutch levers 10R and 10L are provided on the right side of the running engine 11.

A seat 25 is provided at the rear of the left and right operating clutch levers 10R, 10L, and a safety guide 28 is provided to ensure the safety of the operator of the seat 25. A Kotoku stand 16 is placed above the driving engine 11.
is mounted, and a three-way stop cock 20 is provided. A clutch housing and a transmission case (both not shown) are provided on the rear surface of the driving engine 11, and a gear shift lever 22 and an accelerator lever 21 are provided. Also, blower engine 17
An accelerator lever 23 and a starting lever 24 are also provided. The power sprayer 15 is placed on a stand on wheels 8, and power is transmitted from the mission case to a V-belt inside the belt cover 18.
Further, a V-belt for rotating the stirring device 43 of the chemical liquid tank 1 is also arranged inside the belt cover 18.

As shown in FIG. 5, the nozzles are divided into three groups of eight nozzles each. Left side nozzle 4a, top nozzle 4
b, right side nozzle 4c, which is connected to the pot 20 through a hose joint 42;

The stop handle 20 is the driving engine 11 shown in FIG.
It is provided on the top table 16. 37 is a pressure tank that serves to stop the chemical liquid in all three directions. 49 is a pressure feeding circuit.

A water supply circuit 34 for supplying water to the chemical tank 1 is connected to a jet pump A in a water tank 41.
The structure of jet pump A is shown in FIG. By opening the jet pump cock 40 from the power sprayer 15 into the pump case 53,
A stop valve 60 is normally biased in the closing direction by a spring 57 on the outer periphery of the nozzle 56 from which the pressurized water enters and from which the pressurized water is spouted, and when the pressurized water is sent to use the jet pump, Seal 5
The cylinder 58 between the nozzle 56 and the stop valve 60 is filled with pressurized water and the stop valve 60 is opened, and when the pressurized water is vigorously jetted from the nozzle 56, negative pressure is applied to the pump case 53 due to the nozzle effect.
Water is generated inside the tank 1, and water is sucked in through the filter 54, and is supplied through the water supply circuit 34 from the water supply port of the chemical tank 1 through the filter 30. A drain pot 31 is provided at the bottom of the chemical solution tank 1. Since the power sprayer has a self-priming function, it sucks the chemical liquid in the chemical liquid tank 1 through the tank 32 and filter 33 and discharges it to the pressure feeding circuit 49. Reference numeral 14 denotes a pressure regulating valve, which returns pressure water in excess of that required to the chemical liquid tank from the surplus water circuit 36. The pressurized water that is not used for either the spout 4 or the jet pump A returns from the surplus water circuit 36 to the chemical tank.

As described above, the driving force of the jet pump A is the force-fed water discharged from the power sprayer, so when the chemical solution tank 1 runs out of liquid, the jet pump becomes unusable.

A groove 5a provided on the upper cover of the blower 5 shown in FIG. 3 is a groove in which the jet pump A is placed and stored when not in use.

FIG. 6 is a rear sectional view of the chemical liquid tank 1, FIG. 7 is a diagram showing an embodiment of the water level gauge, and FIGS. 8 and 9 are diagrams showing embodiments of the water level gauge.

A support rod for a float 38 is pivotally supported in the chemical liquid tank 1, and a pointer 46 or an operating rod 46 for a limit switch 39 is provided at the tip of the support rod 45. When the float 38 reaches the lower water level of the jet pump, a limit switch 39 is activated and an alarm device 47 such as a buzzer or alarm lamp is used to notify the operator.

Further, a water level gauge that is directly linked to the movement of the float 38 may be provided at the position B in FIG. 3, or an electrical water level gauge may be provided in front of the steering clutch device 10 in the driver's seat.

As described above, the present invention is provided with a jet pump cock 40 that switches the pressure water from the power sprayer 15 equipped with a speed sprayer to the jet pump A, and guides the water under pressure into the pump case 53, which is opened by the pressure of the water under pressure. A stop valve 60 is provided,
Since the jet pump A is provided, which supplies water from the water tank 41 to the chemical tank 1 through the filter 54 by the nozzle effect of the jet of force-fed water, the following effects are achieved.

First, there is no need to separately install a water supply pump to supply water from the aquarium to the chemical tank, as was the case in the past.
The number of power sprayers can be reduced, and engines with smaller engine horsepower can be installed.

Second, since the jet pump pot 40 and the stop valve 60 are configured to automatically open and close when water is pumped, when the jet pump A is placed in the water tank 41 and the jet pump pot 40 is opened, the water supply operation starts automatically. Therefore, it can be easily configured and handled.

[Brief explanation of the drawing]

Figure 1 is a side view of the speed sprayer device, Figure 2 is a side view with the front cover and rear cover removed, Figure 3 is a plan view of the same as Figure 2,
Fig. 4 is a rear view, Fig. 5 is a piping system diagram, Fig. 6 is a rear sectional view of the chemical tank 1, Fig. 7 is a drawing showing an example of the water level gauge, and Figs. 8 and 9 are also water levels. FIG. 10 is a sectional view of the jet pump. 1... Chemical tank, A... Jet pump, 1
5... Power sprayer, 38... Float, 48...
Alarm device.

Claims (1)

[Scope of utility model registration request] A jet pump cock 40 is provided to switch the pressure water from the power sprayer 15 equipped with a speed sprayer to the jet pump A, and a stop valve 60 is provided to guide the pressure water into the pump case 53 and open by the pressure of the pressure water. The water tank 41 is filtered through the filter 54 by the nozzle effect of the water jet.
A speed sprayer device characterized in that a jet pump A is provided for supplying water to a chemical liquid tank 1.