JP2001300355A - Detergent mixing jet nozzle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mix detergents in a short time by generating a large number of minus ions and to enhance detergency by preventing clogging. SOLUTION: A suction hole 21 is bored between a detergent pipe 20 and a mixing pipe 30. A liquid detergent is sucked into the mixing pipe 30 from the suction hole 21 under the pressure of the compressed air sent to the mixing pipe 30 from an air pipe 10. A face 31 tapered in the discharging direction is formed on the inner face of the mixing pipe 30, and the cone angle is set so that the extension lines of the tapered face 31 cross each other at an angle of 30-32 deg..

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jet nozzle for mixing detergent which is suitable for use mainly in a commercial washing machine.

[0002]

2. Description of the Related Art Conventionally, this type of nozzle has been disclosed in
-131687 discloses a detergent dissolving apparatus provided with a rotary injection unit. This detergent dissolving device is for dissolving detergent components so as not to remain, and is a device for dissolving detergent components by supplying washing water sprayed from a spray nozzle while rotating the detergent onto the detergent. In this device, the spray nozzle is rotatably mounted on the detergent container,
The injection nozzle is provided so as to rotate at a flowing water pressure when water is supplied to the injection nozzle.

On the other hand, the inventor has previously proposed a washing machine with a mixed jet nozzle (see Japanese Patent Application Laid-Open No. H11-156080).
The nozzle used in this washing machine is provided with a cylindrical mixed compression body having an injection port at the tip, and a liquid such as a detergent, a bleaching agent, and water is blown into the inside to mix, and the washing machine is discharged from the injection port. Is injected at a high pressure toward the inside of the container.

[0004]

However, in the former detergent dissolving device, water is supplied while rotating water on the detergent,
Since it has a structure in which the substance dissolved in the form of foam is discharged from the filter and used, there is an inconvenience that it takes time to form the foam. Therefore, although it can be used for a washing machine having a small volume, it has a problem in dissolution time when used for a washing machine for business use having a large volume.

The mixing jet nozzle proposed by the present inventor has a structure in which a liquid and compressed air are mixed inside a cylindrical mixing and compression body, and has a short dissolving time and a large volume for business use. It can be used even with a washing machine. However, it is necessary to pressurize a liquid containing detergent and water with a water pump, and to mix the pressurized liquid with compressed air pressurized by a compressor. Therefore, in the previous proposal, a pump and a compressor are indispensable devices when mixing the detergent, and the entire device has a large-scale structure.

Further, a detergent spray nozzle of a type that uses only a compressor and does not use a water pump is also used, but there is a problem that clogging with the detergent becomes extremely large.

On the other hand, it is known that negative ions are generated when air and water are mixed in a mist. This is a phenomenon called the Leonard effect, and the generated negative ions have attracted attention for environmental hygiene effects such as promoting interfacial lubrication.

[0008] Then, the inventors of the present invention measured the negative ions of the mixing jet nozzle previously proposed, and found that
Generation of -150,000 ion / cm3 was confirmed. The present inventors have further studied from the viewpoint that by further increasing the generation rate of the ions, it is possible to enhance the mixing action of the detergent and the washing action of the detergent even with a simple configuration, and to reduce many negative ions. An improved jet nozzle for mixing detergent which can be generated. That is, the object of the present invention is:
To provide a detergent mixing jet nozzle capable of generating a large amount of negative ions, mixing a detergent in a short time while having a simple configuration, further preventing clogging and enhancing a cleaning action. It is in.

[0009]

In order to achieve the above-mentioned object, a first means of the present invention is to provide an air pipe for blowing compressed air.
0, a detergent tube 20 for feeding the liquid detergent, and a mixing tube 30 arranged at the tip of the air tube 10 in the same direction as the air tube 10 to mix the liquid detergent into the compressed air. In the jet nozzle for mixing detergent, the air pipe 10
A suction hole 21 for sucking the liquid detergent into the mixing pipe 30 by the air pressure of the compressed air sent from the mixing pipe 30 to the mixing pipe 30 is opened between the detergent pipe 20 and the mixing pipe 30 to form the mixing pipe 30.
A taper surface 31 constricted in the discharge direction is formed on the inner surface of the substrate, and the taper angle is set such that the virtual intersection angle on the extension line along the taper surface intersects at an angle of 30 to 32 degrees. It is in.

In the second means, the opening angle of the suction hole 21 is set so as to intersect with the central axis of the mixing tube 30 at an angle of 30 to 32 degrees.

Further, the third means is to open the plurality of air tubes 10 with a diameter of 6 mm, the diameter of the tapered portion of the mixing tube 30 with 8 mm, and the diameter of the suction holes 21 with 0.1 mm. 3-5K from the air tube 10 to the mixing tube 30
Blowing compressed air at a pressure of g / cm2 is a means to solve the problem.

According to the present invention, when compressed air is blown from the air tube 10 to the mixing tube 30, the inside of the mixing tube 30 becomes negative pressure, and the liquid detergent is sucked into the mixing tube 30. Further, when the compressed air and the liquid detergent are mixed in the mixing tube 30, a large amount of negative ions are generated to promote the interfacial lubricating action of the liquid detergent, shorten the mixing time, and enhance the washing action. is there.

[0013]

Embodiments of the present invention will be described below in detail. The nozzle of the present invention is mainly used for jetting into a commercial washing machine to uniformly dissolve the detergent, and can also be used for home washing machines and dishwashers.

The main structure of the nozzle of the present invention is the air tube 10
And the detergent tube 20 and the mixing tube 30. In the embodiment, each of the components is detachably formed.

The air tube 10 is provided with an air compressor P
This is a tube that blows compressed air from
0 to the detergent tube 20 by the air pressure when blowing to the detergent tube 20.
0 is provided so as to suck the liquid detergent toward the mixing tube 30 (see FIG. 1). The illustrated air pipe 10 has a connection port 11 for connecting a hose connected to the air compressor P.
Is provided with an insertion tube portion 12 having a diameter of 8 mm. Then, from the air tube 10 toward the mixing tube 30, 3 to 5 kg /
It is set to send compressed air at a pressure of cm2.

The detergent tube 20 is a tube for mainly supplying the liquid detergent Q, and is connected to a side surface of the air tube 10 at an angle substantially orthogonal to the side surface in the illustrated example. Further, a suction hole 21 is formed from the detergent tube 20 toward the mixing tube 30. The liquid detergent Q is sucked from the suction hole 21 into the mixing tube 30 which has been made negative pressure by the blowing of the compressed air. The opening angle of the suction hole 21 is set so as to intersect with the central axis of the mixing tube 30 at an angle of 30 to 32 degrees. In addition, the suction hole 21
Is set behind the tip of the air tube 10. Three suction holes 21 of the embodiment are arranged at equal intervals with a diameter of 1.5 mm (see FIG. 2). The liquid detergent sucked from each suction hole 21 is agitated by the compressed air inside the mixing tube 30 and mixed in a mist state.
When the pressure of the compressed air was set to 3 to 5 kg / cm2, a negative pressure of 30 to 55% was measured in the suction hole 21 of the embodiment.

The mixing tube 30 is a portion where the liquid detergent Q is agitated with compressed air in the form of a mist, and has a tapered surface 31 narrowing in the discharge direction on the inner surface of the mixing tube 30. The taper angle of the tapered surface 31 is set such that the virtually intersecting angle on the extension line along the tapered surface 31 intersects at an angle of 31 degrees. According to the study of the inventor, when this angle is within the range of 1 degree before and after, generation of negative ions of about -650,000 ion / cm3 to -700,000 ion / cm3 has been confirmed. In the nozzle proposed earlier by the present inventors, this angle is set at an angle of about 60 degrees, and the generation of negative ions at this time is about -150,000
Compared to ion / cm3, it became possible to obtain about 4.6 times more negative ions.

Next, the state of use of the washing machine with a mixing jet nozzle according to the present invention will be described. Compressed air pressurized by the compressor P is sent to the air pipe 10 and the mixing pipe 30 and is mixed in the mixing pipe 30. The liquid detergent mixed in mist is sprayed so as to be mixed with water in a water tank of the washing machine main body.

Further, the powder detergent R can be used by blowing the compressed air pressurized by the compressor P to the detergent tube 20 side (see FIG. 3). In this case, when the air pipe 10 is connected to the powder detergent R side and compressed air is blown from the detergent pipe 20 into the mixing pipe 30, the powder detergent R is generated by the negative pressure generated inside the air pipe 10. It is possible to be sucked from 10 into the mixing tube 30 and jetted in a stirred state. In such a method of use, no negative ions are generated, but the powder detergent R can be finely stirred, so that the mixing time can be shortened. According to the inventor, such use is presumed to be due to a synergistic effect between the angle of the tapered surface 31 in the mixing tube 30 and the angle of the suction hole 21.

[0020]

According to the present invention, the original object is achieved by the above-mentioned structure. That is, the mixing pipe 30 is compressed by the air pressure of the compressed air sent from the air pipe 10 to the mixing pipe 30.
A suction hole 21 for sucking a liquid detergent therein is formed between the detergent tube 20 and the mixing tube 30 to form a tapered surface 31 narrowing in the discharge direction on the inner surface of the mixing tube 30. By setting the taper angle so that the angle of intersection along the extension line along the tapered surface intersects at an angle of 30 to 32 degrees, the detergent can be mixed in a short time without using a conventional pump. can do.

Further, the opening angle of the suction hole 21 is set so as to intersect at an angle of 30 to 32 degrees with respect to the center axis of the mixing tube 30, the diameter of the air tube 10 is set to 6 mm, and the mixing is performed. The diameter of the tapered portion of the tube 30 is 8 mm, the diameter of the suction hole 21 is 0.1 mm, and a plurality of holes are opened, and the air tube 10 is compressed into the mixing tube 30 at a pressure of 3 to 5 kg / cm 2. By blowing air, from -650,000 ion / cm3
Since it is possible to generate as much as 700,000 ions / cm3 of negative ions, the action of the negative ions can shorten the mixing time, prevent clogging, and enhance the cleaning action.

As described above, according to the present invention, a large amount of negative ions can be generated, the detergent can be mixed in a short time in a simple structure, and further, the clogging can be prevented to enhance the cleaning action. And various other beneficial effects such as being possible.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view showing one embodiment of a jet nozzle of the present invention.

FIG. 2 is an enlarged sectional view showing one embodiment of a suction hole of the present invention.

FIG. 3 is an enlarged sectional view showing another example of use of the jet nozzle of the present invention.

[Explanation of symbols]

 P Air compressor Q Liquid detergent R Powder detergent 10 Air pipe 11 Connecting port 20 Detergent pipe 21 Suction hole 30 Mixing pipe 31 Tapered surface

[Procedure amendment]

[Submission date] April 28, 2000 (200.4.2
8)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claim 3

[Correction method] Change

[Correction contents]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction contents]

Further, the third means is that the diameter of the air pipe 10 is 6 mm, the diameter of the tapered portion of the mixing pipe 30 is 8 mm, and the diameter of the suction hole 21 is 1.5 mm. Drill and mix 3 to 5K from air tube 10 to mixing tube 30.
Blowing compressed air at a pressure of g / cm2 is a means to solve the problem.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0021

[Correction method] Change

[Correction contents]

Further, the opening angle of the suction hole 21 is set so as to intersect at an angle of 30 to 32 degrees with respect to the center axis of the mixing tube 30, the diameter of the air tube 10 is set to 6 mm, and the mixing is performed. The diameter of the tapered portion of the tube 30 is 8 mm, the diameter of the suction hole 21 is 1.5 mm, and a plurality of holes are drilled. The air tube 10 is applied to the mixing tube 30 at a pressure of 3 to 5 kg / cm 2. From -650,000 ion / cm3 by sending compressed air
Since minus ions of as much as -700,000 ions / cm3 can be generated, the action of the minus ions can shorten the mixing time, prevent clogging, and enhance the washing action.

Claims (3)

[Claims] 1. An air pipe for blowing compressed air, a detergent pipe for sending liquid detergent, and a tip of the air pipe which is arranged in the same direction as the air pipe with the tip of the air pipe mixed to mix the liquid detergent with the compressed air. In the detergent mixing jet nozzle composed of the mixing pipe and the mixing pipe, a suction hole for sucking the liquid detergent into the mixing pipe by the air pressure of the compressed air sent from the air pipe to the mixing pipe is provided by the detergent pipe and the mixing pipe. Drill between the body and form a tapered surface that narrows in the discharge direction on the inner surface of the mixing tube,
A jet nozzle for detergent mixing, wherein a taper angle is set so that an extension line along the tapered surface intersects at an angle of 30 to 32 degrees. 2. The detergent mixing jet nozzle according to claim 1, wherein the opening angle of the suction hole is set to intersect at an angle of 30 to 32 degrees with respect to the center axis of the mixing tube. 3. A plurality of air pipes, each having a diameter of 6 mm, a tapered portion of the mixing pipe having a diameter of 8 mm, and a suction hole having a diameter of 0.1 mm. 3. The jet nozzle for mixing detergent according to claim 1, wherein compressed air is blown from the body to the mixing tube at a pressure of 3 to 5 kg / cm @ 2.