JPH03217259A - Sprayer - Google Patents

Abstract

PURPOSE:To continuously spray with the operation of lever by making the amount of liquid sucked out with one operation of lever larger than the amount of liquid sprayed from a nozzle and sending this liquid into a flexible tube connected to the liquid pushing-out opening of a sprayer main body to raise the liquid pressure. CONSTITUTION:There are provided the sprayer main body 1 which is provided with a suction valve to the suction opening through which the liquid is sucked from a liquid tank 9 and with a pushing-out valve to a liquid pushing-out opening to pushing out the sucked liquid, and the hollow flexible body 10 one end of which is connected with the liquid pushing-out opening and the other end of which is fixed to a nozzle 6 having a valve. The amount of liquid sucked out of the liquid tank 9 by the operation of the lever 4 provided in the sprayer main body 1 is made larger than the amount of liquid sprayed from the sprayed from the nozzle 6. As a result, continuous spray is carried out by a small-sized, light-weighted sprayer.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a small and lightweight sprayer that sprays various liquids such as water, detergents, disinfectants, and paints without using air pressure.

[Prior art] As a conventional atomizer of this type, for example,
As shown in Japanese Utility Model Publication No. 1282, the liquid is sprayed only when an operating lever called a trigger is operated, or as shown in Japanese Utility Model Publication No. 55-51566, air pressure inside the container is controlled by operating a piston punch. There are some that use this air pressure to pressurize the liquid in the container, open the nozzle, and spray it continuously.

[Problem to be solved by the invention]

Conventional sprayers are constructed as described above, so in the former type of sprayer, liquid is sprayed only when the operating lever is pulled, and when the operating lever is returned to its original position, liquid spraying stops, and liquid spraying is performed only intermittently. do not have.

In addition, although the latter type of sprayer is capable of continuous liquid spraying, it is necessary to operate a piston punch to build up pressure in the container in advance, which makes the operation extremely troublesome and the configuration becomes complicated and large. There was a point.

The present invention has been made to solve the above-mentioned conventional problems, and aims to provide a small, lightweight sprayer that can perform continuous spraying by operating the operating lever 84&.

[Means for Solving the Problems] A sprayer according to the present invention includes a sprayer main body having a suction valve at a liquid suction port for sucking liquid from a liquid tank and an extrusion valve for a liquid extrusion port for pushing out the sucked liquid; The liquid is sucked out from the tank by operating an actuating lever provided on the sprayer body, and is equipped with a flexible tube or an extendable ball body with one end connected to the liquid extrusion port and a nozzle with a valve attached to the other end. The sprayer is characterized in that the amount of liquid sprayed from the nozzle is larger than the amount of liquid sprayed from the nozzle.

[Effect]

In the sprayer of the present invention, the amount of liquid drawn from the liquid tank by one operation of the operating lever is larger than the amount of liquid sprayed from the nozzle, so that the inside of the flexible tube etc. is adjusted according to the number of operations of the operating lever. The liquid pressure increases, and this liquid pressure pushes the nozzle valve open.As long as the pressure is maintained above the pressure, liquid is continuously sprayed. In other words, continuous spraying is possible with a simple and compact configuration that does not require a special pressurizing device.

[Embodiment J Hereinafter, one embodiment of the present invention will be described with reference to the drawings. 1st
The figure is a front view of the sprayer of the present invention, Figure 2 is a partially enlarged vertical sectional view of the sprayer main body, Figure 3 is a vertical sectional view taken along line I-I in Figure 2, and Figure 4 is a vertical cross-section of the nozzle part. It is a diagram.

1 to 4, 1 is a sprayer main body, and this sprayer main body 1 is provided with a liquid suction port 2 (Fig. 3) and a liquid extrusion port 3 (Fig. 2), which are used for suction and extrusion of liquid. An actuating lever 4 for performing this operation is rotatably attached to a rotating shaft 5, and a liquid passage tube 7 having a nozzle 6 at its tip is attached.

A liquid tank 9 is connected to the liquid suction port 2 through a liquid passage pipe 8. Further, a flexible tube 10 made of rubber or the like is connected between the liquid extrusion port 3 and the rear end of the liquid passage tube 7.

The rear end of a piston 1l of the sprayer main body 1 is in contact with the operating lever 4, and this piston 1l is always urged by a spring 12 in a direction to pull the operating lever 4 away from the sprayer main body 1.

Next, the operation of the above embodiment will be explained. Actuation lever 4
When rotated from the solid line position in Figure 2 to the dotted line position, spring 1
The piston 11 is pushed in against the force 2.

Next, when the operating force of the actuating lever 4 is released, the piston 11 is pushed out by the spring 12 so as to push the actuating lever 4 back to the solid line position in FIG. For this reason, the liquid passage l3 inside the sprayer main body 1 becomes negative pressure, and the suction valve 14 of the suction port 2
is pushed open against the spring 15, and the liquid in the liquid tank 9 is sucked out through the liquid passage pipe 8.

Next, when the actuating lever 4 is rotated again to the dotted line position and the piston 1l is pushed in, the liquid sucked out into the liquid passage 13 pushes the extrusion valve 16 of the extrusion port 3 open against the spring 17, causing it to flex. Enters the genital tract IO. When the operating lever 4 is operated 3 to 5 times as described above, liquid accumulates in the flexible tube 10 and the tube swells, as shown by the chain line in FIG.
0 is above a predetermined level (the valve 18 of the nozzle 6 is
9), a liquid jet is generated from the nozzle 6.

Thereafter, by continuously operating the operating lever 4, 1
Since the amount of liquid drawn out by operating the actuating lever 4 is larger than the amount sprayed from the nozzle 6, even when the actuating lever 4 is returned to its original position, the liquid pressure in the flexible tube 10 remains below a predetermined level (the nozzle 6
The liquid is continuously sprayed from the nozzle 6 until the pressure at which the valve 18 closes is reached.

After the operation of the actuating lever 4 is stopped, the liquid pressure in the flexible tube decreases due to liquid spraying, and when it falls below a predetermined value, the valve 18 closes and the continuous spraying of the liquid stops. At this time, since liquid has accumulated inside the flexible tube, the next time the actuation lever 4 is operated, the liquid will be continuously sprayed immediately after the first operation of the actuation lever 4.

FIG. 5 is a usage diagram of the sprayer of the present invention, for example, two trees
When spraying pesticides on trees 20, the nozzle 6 is sprayed toward the trees 20 by holding the liquid tank 9 or hanging it on the shoulder.

In the above embodiment, the flexible tube 10 was connected to the liquid outlet 2 of the sprayer main body, but the same effect can be achieved even if a telescopic ball is used instead of the flexible tube 10.

Further, in the above embodiment, the nozzle 6 is attached to the tip of the flexible tube 10 via the liquid passage tube 7, but it is also possible to attach the nozzle 6 having the valve l8 directly to the tip of the flexible tube 10. It has the following effects.

[Effects of the Invention] As described above, according to the present invention, the amount of liquid sucked out with one operation of the operating lever is greater than the amount of liquid sprayed from the nozzle,
This liquid was put into a flexible tube connected to the liquid outlet of the sprayer body, and the liquid pressure inside the flexible tube was increased, so the liquid pressure inside the flexible tube pushed the valve of the nozzle. Above the opening pressure, liquid can be sprayed continuously regardless of the action of the actuation lever.

Furthermore, continuous spraying of liquid does not require a special pressurizing device, so it can be made compact with a simple configuration.

Furthermore, since no fluorocarbon is required as a liquid propellant, it does not cause ozone layer depletion.

[Brief explanation of drawings]

FIG. 1 is a front view showing a sprayer according to an embodiment of the present invention, FIG. 2 is a partially enlarged vertical cross-sectional view of the sprayer main body, and FIG.
FIG. 4 is a vertical cross-sectional view of the nozzle section, and FIG. 5 is a diagram of the sprayer in use. 1... Sprayer main body, 2... Liquid suction port, 3... Liquid extrusion port, 4... Operating lever 6... Nozzle,
9...Liquid tank, 10...Flexible pipe, 14, 16
, 18... valve.

Claims (2)

[Claims] (1) A sprayer main body having a suction valve at a liquid suction port for sucking out liquid from a liquid tank and a push valve at a liquid extrusion port for pushing out the sucked liquid, and one end connected to the liquid extrusion port and a valve at the other end. a hollow flexible body to which a nozzle having a nozzle is attached, and the amount of liquid sucked out from the liquid tank is made larger than the amount of liquid sprayed from the nozzle by operating an operating lever provided on the sprayer main body. Features a sprayer. (2) The sprayer according to claim 1, wherein the hollow flexible body is a flexible tube or an expandable ball.