JPS6244768Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an injection device for a sprayer in which a nozzle and an injection direction can be selected depending on the purpose of use.

Conventionally, in a sprayer that sprays insecticides, etc., when a push button installed on the head of the container body is pressed, a valve mechanism built into the stem opens, allowing the insecticides etc. to be sprayed from the nozzle into the atmosphere. It has an insecticidal effect on flies and mosquitoes in the air. However, if the insects to be killed, such as cockroaches and woodworms, are found in gaps between furniture or inside pillars, spraying the insecticide into the atmosphere cannot be expected to have much of an insecticidal effect. Conventionally, multiple types of nozzles are prepared in advance depending on the purpose of use, and by replacing these nozzles, it is possible to catch cockroaches that have invaded the gaps between furniture, woodworms that live in pillars, and insects that live inside tatami mats. It kills insects such as mites, but the nozzle must be replaced every time the purpose of use changes, making it cumbersome to operate.
There is a problem in that when replacing the product, insecticides may get on your hands or clothes, causing contamination. Additionally, the nozzle removed from the container body had to be stored separately, which caused problems such as easy loss.

This idea was made with the aim of improving this problem, by equipping the container body with multiple types of nozzles.
By selecting these nozzles according to the purpose of use, we provide a sprayer spray device that can spray insecticides into the atmosphere, gaps between furniture, pillars, tatami mats, etc. This aims to eliminate the trouble of replacing the nozzle each time the nozzle is changed, and to prevent the nozzle from being lost.

This invention will be described in detail below with reference to one embodiment shown in the drawings. In the figure, 1 is a container body in which insecticide etc. is stored under pressure, and a stem 3 with a valve mechanism 2 incorporated in the head is provided. By pressing the stem 3 downward, the valve mechanism 2 is opened, and the insecticide and the like in the container body 1 are sprayed out from the upper end of the stem 3.

On the other hand, a cylindrical cover 4 is fitted onto the mouthpiece 1a of the head of the container body 1. The cover 4 has an opening 4a in the center of the upper part, and the push button 5 is accommodated in the cover 4 through this opening 4a. The push button 5 has a cylindrical shape, and the tip of the stem 3 is fitted into one end of a passage 5a opened at the center of the lower surface, and the tip of a locking protrusion 5b protruding from the bottom of the push button 5. is engaged with the cap 1a of the container body 1 from the inside. Further, a pressing lever 5c is horizontally protruded from the upper part of the push button 5 in the opposite direction of the locking projection 5b, and by pressing the pressing lever 5c downward, the push button 5 is engaged with the locking projection 5b. The stem 3 is pushed in by rotating vertically around the stop.

On the other hand, an expansion chamber 5d is recessed in the upper center of the push button 5, and a nozzle 5e that opens on the outer peripheral surface of the push button 5 is communicated with the expansion chamber 5d. A directional switching valve 6 is fitted from above so as to be slidable up and down. The direction switching valve 6 has a small cylindrical shape, and is in sliding contact with the inner circumferential surface of the expansion chamber 5d in an annular groove 6a formed on the outer circumference of the lower part, so that the direction switching valve 6 is in sliding contact with the inner circumferential surface of the expansion chamber 5d.
An O-ring 7 is housed therein to seal the gap between them. Further, a protrusion 5f is provided in a protruding manner at the center of the bottom surface of the expansion chamber 5d. The upper end of the protrusion 5f extends into the direction switching valve 6, and an O-ring 8 is provided on the outer circumference of the upper end. In the state shown in FIG. 2 when the directional switching valve 6 is pushed into the push button 5, this O-ring 8 does not come into contact with the inner circumferential surface of the directional switching valve 6, and the insecticide is released from the gap between the inner circumferential surface and the O-ring. etc., can flow upwardly into the directional switching valve 6, and by pushing the directional switching valve 6 up to the position shown in FIG. Part 6b is O-ring 8
The gap between the small diameter portion 6b and the protruding portion 5f is sealed.

Further, a flange 6d is protruded from the upper end of the direction switching valve 6, and by gripping this flange 6d, the direction switching valve 6 can be moved up and down relative to the push button 5, and the direction switching valve 6 can be moved up and down with respect to the push button 5. A bush 10, which is fixed to the base end of a needle nozzle 9 having a nozzle hole 9a at its distal end, is tightly fitted into the upper opening of the switching valve 6.

Further, numeral 11 in the figure is a cap detachably attached to the head of the container body 1.

FIG. 5 shows another embodiment in which a notch 4b is provided in a part of the cover 4, and the press lever 5 of the push button 5 is
By rotating the push button 5 in the direction of the arrow while pressing c, and engaging the tip of the push lever 5c with the notch 4b, when the direction switching valve 6 is pulled up, the nozzle hole 5e on the circumference of the push button 5, In addition, when the direction switching valve 6 is pushed in, the needle nozzle 9 can continuously spray insecticide and the like.

Since this device has been described in detail above, when spraying insecticide etc. from the nozzle hole 5e provided on the outer circumferential surface of the push button 5, the flange of the direction change valve 6
d and pull it up, and in this state press the press lever 5c of the push button 5. Since the push button 5 rotates downward around the locking protrusion 5b and presses the stem 3, the valve mechanism 2 opens and the insecticide etc. inside the container body 1 flows out as shown by the arrow in Fig. 4.
It is injected into the atmosphere from the nozzle hole 5e. At this time, the O-ring 7 is connected to the inner peripheral surface of the valve hole 5d and the direction switching valve 6.
Since the O-ring 8 seals between the outer circumferential surfaces of the directional control valve 6 and between the small diameter portion 6b and the protruding portion 5f of the directional switching valve 6, there is no fear that insecticide or the like will leak out from other than the nozzle hole 5e.

On the other hand, if you want to kill woodworms in pillars or furniture, mites in tatami mats, etc., all you have to do is push down the direction switching valve 6 to the position shown in FIG. 2 and press the push lever 5c of the push button 5. Insecticides and the like in the needle nozzle 9 rise as shown by the arrows in FIG.

By operating the direction switching valve 6 up and down in this way, it is possible to selectively spray insecticides and the like into the atmosphere through the nozzle hole 5e and onto trees, tatami mats, etc. through the needle nozzle 9. Since there is no need to replace the nozzle every time the nozzle changes, it eliminates problems such as getting your hands or clothes dirty with insecticide adhering to the nozzle, or losing a stored nozzle and making it unusable. be able to. Further, by covering the head of the container body 1 with a cap when not in use, danger caused by the needle nozzle 9 can be prevented.

In the above embodiment, an example was described in which an insecticide or the like was contained in the container body 1, but the cleaning agent may also be a lubricant, a paste, or the like.

[Brief explanation of the drawing]

The drawings show one embodiment of this invention, with Fig. 1 being a perspective view, Fig. 2 being a longitudinal sectional view, Fig. 3 being a plan view, and Fig. 4 being a perspective view.
The figure is an explanatory diagram of the operation, and FIG. 5 is an explanatory diagram showing another embodiment. 1 is a container body, 3 is a stem, 4 is a cover, 5 is a push button, 5a is an expansion chamber, 5b is a locking projection, 5c is a pressing lever, 5e is a nozzle hole, 6 is a direction switching valve, and 9 is a needle nozzle.

Claims (1)

[Scope of utility model registration request] A stem 3 that injects the insecticide in the container body 1 by pressing is provided on the head of the container body 1 containing an insecticide or the like under pressure.
A cover 4 attached to the container body 1 is attached to the tip of the container body 1.
A push button 5 is provided which is guided by the push button 5 and can be rotated vertically around a locking protrusion 5b that is locked to the container body 1 by pressing the pressing lever 5c. An expansion chamber 5d communicating with the nozzle hole 5e is provided, and a direction changeover valve 6 is accommodated in the expansion chamber 5d so as to be able to slide vertically from above.When the direction changeover valve 6 is pushed down, the stem 3 A sprayer injector comprising a needle nozzle 9 provided at the top of the direction switching valve 6, which communicates with the stem 3 and the nozzle hole 5e which opens on the circumferential surface of the push button 5 when the needle nozzle 9 is pulled up again.