JPH11262700A - Spraying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To protect both the air nozzle and liq. nozzle from external damage at the same time when not in use and to maintain appropriate atomization. SOLUTION: This spraying device is provided with an air nozzle 5, a liq. nozzle 6 and a cap 7. The air nozzle 5 is horizontally projected ahead, and compressed air is discharged from its tip. The liq. nozzle 6 is projected vertically upward, the tip is arranged close to the nozzle 5 tip, and a liq. is discharged from its tip by the suction of the compressed air. The cap 7 is freely attachable and detachable to and from the main body 1 of the spraying device, and the air nozzle 5 and liq. nozzle 6 are simultaneously covered when not in use.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a spray device. More specifically, the present invention relates to a suction type spray device including a horizontally protruding air nozzle and a vertically exposed liquid nozzle.

[0002]

2. Description of the Related Art In a conventional suction type spray device, an air nozzle and a liquid nozzle have a structure protruding outside from a spray device body. Therefore, when not in use, the nozzles may collide with an external object due to dropping or the like, and may damage the tips of the nozzles. The tips of both nozzles in the spray device are very delicate parts, so that even if they are slightly damaged, proper atomization is not possible.

[0003]

SUMMARY OF THE INVENTION The present invention relates to
An object of the present invention is to provide a spray device that can simultaneously protect both an air nozzle and a liquid nozzle from external damage and maintain proper atomization.

[0004] The "forward" in the spray device of the present invention.
Refers to the tip side of the air nozzle in the horizontal direction, `` rear '' refers to the direction opposite to the tip side of the air nozzle, `` up '' refers to the tip side of the liquid nozzle in the vertical direction, and `` down '' Indicates the liquid tank side.

[0005]

SUMMARY OF THE INVENTION The present invention provides an air nozzle 5 which projects forward in the horizontal direction and discharges compressed air from the tip.
And a liquid nozzle 6 projecting vertically upward and having a tip disposed close to the tip of the air nozzle 5 and discharging liquid from the tip by a suction action of the compressed air. A requirement is that a removable cap 7 is provided to simultaneously cover the air nozzle 5 and the liquid nozzle 6 (claim 1).

Further, in the spray device of the first aspect, the cap 7 has an inner hole 8 opened from one end,
A cylindrical body having a slit 9 which opens in the same direction as the inner hole 8 and penetrates radially outward from the inner hole 8, and which of the air nozzle 5 and the liquid nozzle 6 is not used when not in use. One of the nozzle tips is inserted into the inner hole 8 so that the inner surface of the inner hole 8 is engaged with the outer surface of the main body 1, and at the same time, the other nozzle tip is inserted into the inner hole 8 through the slit 9. (Claim 2) is preferable.

The cap 7 has only to be a cylindrical body, and its cross-sectional shape is, for example, circular, polygonal, elliptical or the like. As the material of the cap 7, synthetic resin, metal, wood, synthetic rubber or the like is appropriately employed.

Further, the inner hole 8 of the cap 7 may be opened at least from one end of the cap 7.
A configuration that opens from both ends of the cap 7 (FIGS. 4 and 8),
Alternatively, a configuration in which the cap 7 is opened only from one end and the other end is closed (FIG. 9) may be used.

The slit 9 of the cap 7 may be opened at least from the same one end of the cap 7 where the inner hole 8 is opened. For example, the slit 9 is opened only from one end of the cap 7 (see FIGS. 4 and 4). 9) or a configuration that opens from both ends of the cap 7 (FIG. 8).

The engagement structure between the cap 7 and the main body 1 is, specifically, a structure in which the inner surface of the inner hole 8 engages with the outer surface of the main body 1 when the cap 7 is mounted on the main body 1 (see FIGS. 9)
And an example in which the inner surface of the slit 9 is engaged with the outer surface of the main body 1 (FIG. 8). The cap 7 is easily detachable from the main body 1 and is attached to the main body 1 to such an extent that it does not easily fall off the main body 1. What is necessary is just a structure held.

When the cap 7 is mounted on the main body 1, it is preferable to provide a stopper 11 that comes into contact with the cap 7 in the axial direction. Specifically, the stopper 11 has a configuration in which a protrusion or a step is provided on the outer surface of the main body 1 and the insertion end 71 of the cap 7 is brought into contact therewith (FIGS. 4, 8, and 9), or a slit 9 (Not shown) in which the closed end of the nozzle and the outer surface of the nozzle penetrating through the slit 9 are brought into contact with each other.

[0012]

When the cap 7 is not used, the cap 7 simultaneously covers the tip of the air nozzle 5 and the tip of the liquid nozzle 6.
Both the air nozzle 5 and the liquid nozzle 6 can be reliably protected from external damage. In addition, since both nozzles of the air nozzle 5 and the liquid nozzle 6 are simultaneously covered by one cap 7 (that is, there is no configuration in which two caps 7 are prepared so as to be attached to both nozzles respectively), the attaching / detaching operation of the cap 7 is performed. Only once, the cap 7 can be quickly attached and detached, the risk of losing the cap 7 is reduced, and the number of parts is reduced, and the cap 7 can be provided at low cost.

[Operation of Claim 2] The cap 7 is a cylindrical body having a simple shape and having both the inner hole 8 and the slit 9. Therefore, manufacture becomes easy and it can provide at low cost. Further, the cap 7 is provided with the slit 9 which opens in the same direction as the inner hole 8 and penetrates radially outward from the inner hole 8, whereby the mounting portion of the cap 7 can be easily elastically deformed in the radial direction, Cap 7 for body 1
In addition to the ease of mounting the cap 7, smooth mounting of the cap 7 is possible, and the dimensional variation of the engaging portion of the inner hole 8 or the slit 9 with the outer surface of the main body 1 is absorbed, so that high dimensional accuracy is not required. Is much easier.

[0014]

Embodiments of the present invention will be described with reference to the drawings.

[First Embodiment] FIGS. 1, 2, 3 and 4 show a first embodiment of the spray apparatus of the present invention.

Spray device: The spray device body 1 is
It comprises an air nozzle side main body 2, a liquid nozzle side main body 3, and a connecting portion 4 for integrally connecting the main bodies 2 and 3. At the front of the air nozzle side body 2 in the horizontal direction, a discharge hole 5 at the tip is provided.
An air nozzle 5 capable of discharging compressed air from 1 is protruded. On the other hand, above the liquid nozzle side main body 3 in the vertical direction,
A liquid nozzle 6 from which a liquid can be discharged is projected from a discharge hole 61 at the tip, and a liquid tank 31 communicating with the liquid nozzle 6 is provided below the liquid nozzle side main body 3 in the vertical direction. Then, the tip of the air nozzle 5 and the liquid nozzle 6
The tips are arranged close to each other so that, in use, a liquid (for example, a paint, a chemical, or the like) is sucked up from the liquid tank 31 by a suction action of the compressed air discharged from the air nozzle 5, and is sucked up by the liquid nozzle 6. Sprayed from.

Air nozzle: The air nozzle 5 is a tapered metal processing body, and has a discharge hole 51 at its tip for discharging compressed air. The air nozzle 5 is connected to an external compressed air supply source (for example, a compressor, a cylinder, etc.) via the air nozzle side main body 2 and a flexible tube 23 connected to the main body 2. Further, a valve device 21 for controlling the supply of compressed air is provided in the air nozzle side main body 2. The valve device 21 is opened and closed by an operation button 22 protruding outside the air nozzle side main body 2.

Liquid nozzle: The liquid nozzle 6 is a tapered metal processing body, and has a discharge hole 61 at the tip thereof from which the liquid in the liquid tank 31 can be discharged. The liquid nozzle 6 is attached to the upper surface of the liquid nozzle side main body 3 and passes through a supply pipe (not shown) which hangs into the liquid tank 31.
It communicates with the inside. Further, the liquid nozzle side main body 3 is configured to also serve as a detachable lid member by screwing or the like for closing the upper opening of the liquid tank 31.

Cap: The cap 7 is a synthetic resin cylindrical body provided with an inner hole 8 having openings at both ends and penetrating in the axial direction, and a slit 9 having an opening at one end.
Therefore, the insertion end 71 on which the nozzles 5 and 6 are inserted into the cap 7 is on the opening side of the slit 9.

Operation: When the spray device is not used (that is, when it is not used), the cap 7 is attached to the front portion of the air nozzle side main body 2 from the insertion end 71 thereof.

At this time, the front portion of the air nozzle side main body 2 is inserted into the inner hole 8 of the cap 7 from its opening, and the air nozzle 5 is accommodated and arranged in the inner hole 8 of the cap 7. The insertion end 71 side of the inner surface of the inner hole 8 is fitted with the outer peripheral surface of the air nozzle side main body 2, and the insertion end 71 of the cap 7 comes into contact with the front end surface (stopper 11) of the connecting portion 4.

At the same time, the liquid nozzle 6 moves forward in the horizontal direction in the slit 9 while penetrating radially inward from the outside of the cap 7 to the inner hole 8 through the opening of the slit 9 in the cap 7. , Housed in the inner hole 8.
Thus, when not in use, the tips of both the air nozzle 5 and the liquid nozzle 6 can be simultaneously protected by mounting the cap 7. The cap 7 is removed when used.

Second Embodiment FIGS. 5, 6, 7, and 8 show a second embodiment of the spray apparatus of the present invention. This embodiment is a modification of the first embodiment. The difference from the first embodiment is that both ends of the inner hole 8 and the slit 9 of the cap 7 are penetrated in the longitudinal direction, and the opening of the inner hole 8 and the opening of the slit 9 are provided at both ends of the cap 7. 71 is provided at both ends of the cap 7, and the plate-like connecting portion 4 is provided in the slit 9.
Is inserted so that the slit 9 and the connecting portion 4 are engaged with each other, and a step (stopper 11) that comes into contact with the insertion end 71 of the cap 7 is protruded from the air nozzle side main body 2 or the connecting portion 4. is there.

In particular, since the opening of the inner hole 8 and the opening of the slit 9 are provided at both ends of the cap 7, the directivity when the cap 7 is attached is eliminated, and the cap 7 can be inserted from either side of the both ends. But it can be installed, and even more
It will be easier. The other configuration, operation and effect are the same as those of the first embodiment.

[Third Embodiment] FIG. 9 shows a third embodiment of the spray apparatus of the present invention. This embodiment is a modification of the first embodiment, and is different from the first embodiment in that an inner hole 8 of a cap 7 is provided.
And the other end of the slit 9 is closed, the other end of the inner hole 8 and the other end of the slit 9 are opened to form an insertion end 71, and the cap 7 is attached to the upper portion of the liquid nozzle side main body 3. .

When the cap 7 is attached to the liquid nozzle side main body 3 from its insertion end 71, the insertion end 71 side of the inner surface of the inner hole 8 of the cap 7 is connected to the projecting outer peripheral surface of the liquid nozzle side main body 3 and the connecting part 4. At the same time, the insertion end 71 of the cap 7 comes into contact with the stopper 11 on the upper surface of the liquid nozzle side main body 3, and the liquid nozzle 6 is housed and arranged in the inner hole 8 of the cap 7. At the same time, the air nozzle 5 moves vertically upward through the slit 9 from the opening of the slit 9 of the cap 7 while penetrating the slit 9 from the outside of the cap 7 to the inner hole 8. To be accommodated. The other configuration, operation and effect are the same as those of the first embodiment.

[0027]

According to the first aspect of the present invention, when the cap is not used, the cap simultaneously covers the air nozzle tip and the liquid nozzle tip when the cap is not used, so that the air nozzle and the liquid nozzle are damaged externally. It is possible to reliably protect the apparatus from mist and maintain proper atomization. In addition, since both the air nozzle and the liquid nozzle are simultaneously covered with one cap, only one cap attaching / detaching operation is required, and the cap can be quickly attached / detached and the risk of losing the cap is reduced. The number of points can be reduced, and it can be provided at low cost.

According to the spray device of the present invention, since the cap is a simple cylindrical member having both an inner hole and a slit, it can be easily manufactured and can be provided at a low cost. . In addition, the cap is provided with a slit that opens in the same direction as the inner hole and penetrates radially outward from the inner hole, so that the cap mounting portion can be easily elastically deformed in the radial direction, and the cap can be mounted on the main body. The force is reduced, and the cap can be smoothly mounted, and the dimensional variation of the engaging portion of the inner hole or the slit with the outer surface of the main body is absorbed, so that high dimensional accuracy is not required, and the manufacturing is further facilitated.

[Brief description of the drawings]

FIG. 1 is an enlarged longitudinal sectional view of a main part showing a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line AA of FIG.

FIG. 3 is a perspective view of the cap of FIG. 1;

FIG. 4 is a longitudinal sectional view showing the first embodiment of the present invention.

FIG. 5 is an enlarged longitudinal sectional view of a main part showing a second embodiment of the present invention.

FIG. 6 is an enlarged sectional view taken along line BB of FIG. 5;

FIG. 7 is a perspective view of the cap of FIG. 5;

FIG. 8 is a longitudinal sectional view showing a second embodiment of the present invention.

FIG. 9 is a longitudinal sectional view showing a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 11 Step part 2 Air nozzle side main body 21 Valve device 22 Operation button 23 Flexible tube 3 Liquid nozzle side main body 31 Liquid tank 4 Connecting part 5 Air nozzle 51 Discharge hole 6 Liquid nozzle 61 Discharge hole 7 Cap 71 Insertion end 8 Inner hole 9 slit

Claims (2)

[Claims] 1. An air nozzle (5) projecting forward in the horizontal direction and discharging compressed air from the tip, and an air nozzle (5) projecting upward in the vertical direction and having the tip located close to the tip of the air nozzle (5),
A liquid nozzle (6) for discharging liquid from the tip by a suction action of the compressed air,
When not in use, the air nozzle (5) and the liquid nozzle (6)
A removable cap (7) for simultaneously covering the cover. 2. The cap (7) has an inner hole (8) opened from one end, and opens in the same direction as the inner hole (8) and penetrates radially outward from the inner hole (8). Slit to do (9)
And when one of the air nozzle (5) and the liquid nozzle (6) is not in use, the tip of one of the nozzles is inserted into the inner hole (8). (8) At the same time that the inner surface is engaged with the outer surface of the main body (1), the other nozzle tip is inserted into the inner hole (8) through the slit (9). The spray device according to 1.