JP2006007143A - Chemicals diluting/spraying apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a chemicals diluting/spraying apparatus capable of being used simply anywhere if high-pressure water source including city water or a high-pressure air source is available. <P>SOLUTION: The apparatus comprises a tapered nozzle 2, a diffuser section 3, a vacuum creating chamber 4, a first connection port 5 provided at the rear end side of the nozzle 2 and a second connection port 6 communicating with the vacuum creating chamber 4. High pressure water including city water or high-pressure air introduced from the first connection port 5 is jetted from the nozzle 2 through the diffuser section 3. Vacuum is created in the vacuum creating chamber 4 by jetting to suck a chemical through the second connection port 6, then the chemical thus sucked is made to flow through the diffuser section 3 and mixed with the high-pressure water including city water or the high-pressure air and the mixture is sprayed directly from the tip of the diffuser section 3 or via a spray hose. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a dilution spraying device for chemicals used for dustproof measures at a playground, fertilizer / medicine spraying, etc.

Conventionally, an electric pump or a pump with an engine is generally used for diluting and dispensing drugs (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 11-138060

However, when using an electric pump or a pump with an engine, fuel such as electricity or gasoline is required, and it is necessary to prepare drugs by diluting them in advance, and it is necessary to use a large chemical tank. is there.
In the case of an electric pump, there is a problem of electric shock, and in the case of a pump with an engine, there is a problem that it requires skill to start the engine.
In addition, spraying chemicals by manual pumping or hand-rolling is not only labor intensive and inefficient, but also has a problem that the chemicals must be stored and transported in a large tank pre-diluted.

  The present invention has been developed in view of the above-mentioned problems of the prior art, and the object of the present invention can be easily used anywhere as long as there is a high-pressure water or high-pressure air supply source including tap water. The object is to provide a dilute spray device for drugs.

  In order to achieve the above object, the present invention provides a tapered nozzle part, a diffuser part arranged with the rear end close to the tip of the nozzle part, and the tip of the nozzle part and the rear end of the diffuser part. A vacuum generation chamber formed in communication therewith, a first connection port provided on the rear end side of the nozzle portion, and a second connection port communicating with the vacuum generation chamber, the first connection High-pressure water containing tap water introduced from the first connection port, the port being connectable to a high-pressure water supply source including tap water or a high-pressure air supply source, the second connection port being connectable to a chemical supply source Water or high-pressure air is ejected from the nozzle part through the diffuser part, and by this ejection, a vacuum is generated in a vacuum generation chamber between the front end of the nozzle part and the rear end of the diffuser part, and the medicine is passed through the second connection port. With inhalation The inhaled drug compounds are characterized in that no such sprayed directly or through spraying hose from the distal end of the diffuser portion is mixed in a high-pressure water or high pressure air containing the tap water through the diffuser portion.

  According to the above configuration, by introducing high-pressure water or high-pressure air containing tap water into the first connection port, a vacuum is generated in the vacuum generation chamber and medicines are inhaled through the second connection port. A kind can be mixed with high-pressure water or high-pressure air containing tap water introduced from the first connection port and sprayed directly from the tip of the diffuser section or through a spray hose. The amount of medicine inhaled from the second connection port depends on the degree of vacuum generated in the vacuum generation chamber by high-pressure water or high-pressure air containing tap water introduced from the first connection port, the viscosity of the medicines, and the like. Since it is substantially proportional, it is possible to dilute and spray drugs at a substantially constant ratio.

  Further, the present invention is characterized in that a flow rate control valve with a check valve is provided at the second connection port. According to this configuration, the flow rate of the drug connected to the second connection port can be adjusted by the flow rate control valve with a check valve, and thereby the dilution concentration of the drug can be freely adjusted. it can. Therefore, it is not necessary to dilute and prepare the medicines in advance, and the enlargement of the medicine container can be avoided. In addition, because it is equipped with a check valve, it can prevent high-pressure water and high-pressure air containing tap water from flowing into the chemicals side. Can be used for

  ADVANTAGE OF THE INVENTION According to this invention, the dilution spraying apparatus of the chemical | medical agent which can be easily used anywhere as long as there is a high pressure water containing a tap water or a high pressure air supply source can be provided. And when tap water is available, or when existing high-pressure water supply equipment or high-pressure air supply equipment is available, electricity and gasoline are not necessary, and dilution and spraying of chemicals can be performed easily and inexpensively. Moreover, since it is not necessary to dilute the drugs in advance, it is convenient for transporting and handling the drugs.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a pharmaceutical dilution spray device according to the present invention will be described below with reference to the drawings.
As shown in FIG. 1, the apparatus main body 1 includes a tapered nozzle portion 2 having a substantially conical shape, a diffuser portion 3 having a rear end close to the tip of the nozzle portion 2, and the nozzle portion 2. A vacuum generation chamber 4 formed in communication between the front end of the diffuser portion 3 and the rear end of the diffuser portion 3, a first connection port 5 provided on the rear end side of the nozzle portion 2, and communication with the vacuum generation chamber 4. The second connection port 6 is provided.
The nozzle part 2 and the diffuser part 3 are arranged on the same straight line with the latter being the front and the former being the back. A spiral blade member 7 is disposed on the rear end side of the nozzle portion 2. The spiral blade member 7 has a structure in which the spiral blade 7c is disposed between the ring-shaped outer peripheral portion 7a and the central shaft portion 7b, and is mounted to give swirl energy to the fluid passing in the axial direction. Is.

The nozzle part 2 and the spiral blade member 7 are configured separately from the apparatus main body 1 and are mounted and fixed in a nozzle mounting hole 1a formed from the rear end of the apparatus main body 1 toward the center in the longitudinal direction. .
The diffuser portion 3 is directly formed in the apparatus main body 1 as a tapered hole 1b that gradually expands from the rear end toward the front end.
The vacuum generation chamber 4 is slightly smaller in diameter than the nozzle mounting hole 1a in the apparatus main body 1 between the front end of the nozzle mounting hole 1a and the rear end of the diffuser part 3, and larger than the hole diameter on the small diameter side of the tapered hole 1b. It is formed as an annular hole 1c having a diameter.

The first connection port 5 is directly formed as a hose connection port including a taper step portion 1d having one to a plurality of steps (FIG. 1 shows a case of three steps) on the outer peripheral portion of the rear end of the apparatus main body 1.
The second connection port 6 is formed so as to communicate with the vacuum generation chamber 4 on the side surface in the vicinity of the central portion in the longitudinal direction of the apparatus main body 1 so as to be orthogonal to the central axis of the nozzle portion 2 and the diffuser portion 3.
A flow control valve 8 with a check valve is attached and fixed to the second connection port 6. In the flow control valve 8 with a check valve, a check valve 8c made of a ball is accommodated in a large diameter hole 8b formed on the inner surface of one end (the lower end in FIG. 1) of the valve body 8a, and the large diameter hole 8b. A smaller-diameter passage 8d is formed from the rear end of the large-diameter hole 8b toward the other end of the valve body 8a (upper end in FIG. 1), and the rear-end of the large-diameter hole 8b and the small-diameter passage 8d A valve seat 8e of the check valve 8c is formed at the boundary portion. A flow control valve element 8f is rotatably mounted in the middle of the small diameter passage 8d, and an operation lever (not shown) is provided on the flow control valve element 8f. Further, a hose connection port including a taper step portion 8g having one to a plurality of steps (FIG. 1 shows a case of three steps) is directly formed on the outer peripheral surface of the other end (upper end in FIG. 1) of the valve body 8a. Yes.

In the embodiment of FIG. 1, the case where the apparatus main body 1, the nozzle unit 2, the spiral blade member 7, and the flow control valve 8 with a check valve are made of stainless steel is illustrated, but a metal or plastic other than stainless steel, , Glass, ceramic and the like.
The apparatus main body 1 of the present invention enables the first connection port 5 to be connected to a high-pressure water supply source or high-pressure air supply source containing tap water, and allows the second connection port 6 to be connected to a medicine supply source. , High-pressure water or high-pressure air containing tap water introduced from the first connection port 5 is ejected from the nozzle part 2 through the diffuser part 3, and by this ejection, the front end of the nozzle part 2 and the rear end of the diffuser part 3 A vacuum is generated in the vacuum generation chamber 4 between the two and the second connection port 6 to inhale the medicines, and the inhaled medicines are passed through the diffuser unit 3 into high-pressure water or high-pressure air including the tap water. It is mixed and sprayed directly from the tip of the diffuser section 3 or through a spray hose.

  FIG. 2 shows an example of its use, in which the apparatus main body 1 is installed in a field such as a playground or a farm, and the first connection port 5 is connected to the tap water faucet 10 via the hose 9. Then, one end of the hose 11 is connected to the second connection port 6 to a hose connection port composed of a tapered step portion 8g of a flow control valve 8 with a check valve that is mounted and fixed in advance, and the other end is connected to the drug stock solution container. 12 is inserted. In addition, one end of the spray hose 13 is connected to the tip of the diffuser unit 3, and the operator 14 holds the other end of the spray hose 13 to spray chemicals. When spraying, the opening of the tap water faucet 10 and the opening of the flow control valve 8 with a check valve are adjusted and controlled so as to have a desired dilution concentration. A spray nozzle or other appropriate nozzles may be attached to the tip of the spray hose 13.

For example, when performing a dustproof treatment on a playground, a dustproof agent, for example, a water-soluble adhesive such as polyvinyl acetate, is used as a chemical and sprayed on the playground. Accordingly, the water-soluble adhesive is diluted with tap water to an appropriate concentration and sprayed, and the sand particles on the ground surface layer portion of the sports field are bonded and joined together, and scattering and floating as sand dust or the like due to wind or the like is suppressed.
It can also be used for fertilizers and pesticides on farms.
The embodiment of the diluting and dispensing apparatus for pharmaceuticals according to the present invention is as described above. However, the present invention is not limited only to this embodiment, and is free within the meaning and scope described in the claims. It can be carried out with modification. For example, the apparatus main body 1 may be movable by being mounted on a cart together with the drug stock solution container 12, or may be carried on the shoulder. In addition, existing high-pressure water supply equipment and high-pressure air supply equipment may be used in place of the tap water faucet 10, and if these equipment cannot be used, a power pump or a compressor may be used. Good. Moreover, although the diffuser part 3 illustrated the case where it forms directly in the apparatus main body 1 in embodiment, you may make it comprise separately from the apparatus main body 1, and may be made to mount | wear in the apparatus main body 1. FIG. Moreover, although the case where the 1st connection port 5 was directly formed in the one end outer periphery of the apparatus main body 1 as a taper step part of 1 step | paragraph-multiple steps was illustrated, the thing different from the apparatus main body 1 is the apparatus main body 1. You may make it attach to the edge part. In addition, the flow control valve 8 with a check valve may adopt a structure that controls the inhalation amount of drugs by changing the degree of vacuum by taking in external air. The flow control valve 8 with a check valve may be omitted.

It is a vertical side view which shows one embodiment of this invention apparatus. It is a schematic perspective explanatory drawing which shows the example of 1 usage pattern of this invention apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Apparatus main body 2 Nozzle part 3 Diffuser part 4 Vacuum generation chamber 5 1st connection port 6 2nd connection port 7 Swirl blade member 8 Flow control valve with check valve 10 Tap water faucet 12 Drug stock solution container

Claims (2)

  A tapered nozzle part, a diffuser part arranged with the rear end close to the tip of the nozzle part, a vacuum generation chamber formed in communication between the tip of the nozzle part and the rear end of the diffuser part, A first connection port provided on the rear end side of the nozzle portion, and a second connection port communicating with the vacuum generation chamber, wherein the first connection port is a high-pressure water supply source containing tap water or A high pressure air supply source is connectable, the second connection port is connectable to a medicine supply source, and high pressure water or high pressure air containing tap water introduced from the first connection port is supplied from the nozzle portion to the diffuser. And a vacuum is generated in the vacuum generation chamber between the front end of the nozzle part and the rear end of the diffuser part, and the medicines are inhaled through the second connection port. The diffuse Agents such dilution spraying device being characterized in that no such sprayed directly or through spraying hose from the distal end of the diffuser portion is mixed in a high-pressure water or high pressure air containing the tap water through-user unit.   2. The drug dilution spraying device according to claim 1, wherein a flow rate control valve with a check valve is provided in the second connection port. 3.

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