JPS60137Y2 - electric sprayer - Google Patents

Description

[Detailed description of the invention] This invention relates to an electric sprayer in which the chemical solution input port of the liquid tank is covered with the sprayer main body, and the hose for transferring the chemical solution stored in the reserve tank into the liquid tank is connected to the sprayer main body or It is an object of the present invention to provide an electric sprayer that can immediately respond to relatively large-scale spraying operations by connecting it to any of the liquid tanks.

An embodiment of this invention will be described below with reference to the drawings.

In FIG. 1, 1 is a sprayer body with a built-in motor, pump (not shown), etc., 2 is a box-shaped liquid tank made of synthetic resin, etc., with an upper wall 3 open as a chemical solution inlet; The main body 1 is placed on the open end 2a of the liquid tank 2 or is connected to the open end 2a of the liquid tank 2, so that the chemical solution inlet 3 of the liquid tank 2 is sealed.

In this embodiment, the sprayer main body 1 is stored in the liquid tank 2 in an upside-down state as shown by the chain line.

Reference numeral 4 denotes a backing interposed between the open end 2a of the liquid tank 2 and the sprayer main body 1.

A liquid suction pipe 6 having a filter 5 attached to its tip is vertically disposed on the lower wall surface of the sprayer main body 1.

This liquid suction pipe 6 can be removed from the sprayer main body 1 side.

A sprayer 7 is connected to the pump of the sprayer main body 1 via a hose 8, and has a spray nozzle 9.

As shown in FIG. 2, pieces 10, 10 for holding parts such as the nozzle 9 are provided on the outer surface of the side wall of the tank 2.

This holding piece 10.10 is obtained by insert molding a half cylinder 11 shown in FIG. 3 on the side wall of the tank 2, and then forming a slit 12 in the center of this half cylinder 11. The holding piece 10 is held by the slit 12.
, 10 are given elasticity so that the parts can be housed without wobbling.

Reference numeral 13 denotes a cylindrical suction port provided on the lower wall surface of the spray main body 1 and communicating with the liquid tank 2. This suction port 13 has a diameter of several tens of centimeters in length, which is used when replenishing the chemical solution. A similar suction hose 14 is connected.

In this embodiment, as clearly shown in FIG. 4, the suction port 13 is slidably inserted through the suction port 13, and at both ends 14a and 4b, there are stopper members 15. 6 is fixed by screwing means or the like.

7 is a threaded portion formed on the outer peripheral surface of the suction port 13; 18 is a sealing cap having a threaded portion 19 that is screwed into the threaded portion; O-ring 20 that provides a liquid-tight seal between the surface and the
is held.

21 is a slot formed in the suction port 13.

22 is a power switch, and 23 is a handle attached to the liquid tank 2.

In the above configuration, in the case of a simple spraying operation, only the liquid tank 2 may be used as shown in FIG.

That is, since the hose 14 is unnecessary, the liquid tank 2
By pulling the hose 14 inside, spraying work can be performed without the hose 14 getting in the way.

In this case, since it acts as an air intake for preventing decompression in the tank 2, there is no need to provide a special air intake.

If the spraying operation is relatively large-scale, it is necessary to sequentially replenish the liquid tank 2 with the chemical solution.

However, because of the trouble of having to frequently remove the sprayer body 1 from the liquid tank 2, it has become common practice to use a dedicated submersion pump in a relatively large-capacity spare tank for spraying work. , in other words, a separate pump must be provided for large-scale spraying operations.

However, with the above configuration, the chemical solution M in the reserve tank 24 can be supplied into the liquid tank 2 by simply pulling out the other end 14b of the hose 14 and sinking it into the reserve tank 24 as shown in FIG.

That is, in the driving state of the sprayer main body 1, the liquid suction pipe 6
As the chemical solution M in the liquid tank 2 is sucked up and reduced, the internal space S of the liquid tank 2 is depressurized.

Due to this pressure reduction, the chemical solution M in the reserve tank 2 is transferred to the hose 1.
4 to the liquid tank 2, and is therefore used for large-scale spraying without the use of a dedicated pump.

In this case, if a check valve (not shown) is provided at the other end 14b of the hose 14, the possibility of backflow from the liquid tank 2 side can be eliminated.

Although the hose 14 is designed to slide into the suction port 13, it may be fixed at one end 14a.
It may also be connected directly to the side.

As described above, this invention allows relatively large-scale spraying operations to be carried out easily by providing a hose for sucking the medicinal solution from the reserve tank into the liquid tank.

[Brief explanation of the drawing]

FIG. 1 is a cutaway front view showing an example of an electric sprayer according to this invention, FIGS. 2 and 3 are explanatory views of a component holding piece, and FIG. 4 is an enlarged perspective view of the main parts of the sprayer. FIG. 5 is an explanatory diagram of an example of use of the sprayer. 1... Sprayer body, 2... Liquid tank, 3... Chemical solution inlet, 14... Hose, 24... Spare tank, M...Medical solution.

Claims (1)

[Scope of utility model registration request] A liquid tank 2, a sprayer body 1 that is stacked on top of the liquid tank 2 and seals the chemical solution inlet 3 of the liquid tank 2, and the sprayer body 1 or the liquid tank 2.
An electric sprayer comprising a hose 14 that is connected to a hose 14 to transfer a chemical solution M in a reserve tank 24 into the liquid tank 2.