JP2000254610A - Cleaning nozzle for circulation pipeline and peripheral part of boiler, used for bathtub - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cleaning nozzle capable of very efficiently cleaning not only straight pipe sections of a circulation pipeline for a bathtub but also a peripheral part of a boiler for the bathtub, which is placed on the inner side from the circulation pipeline in a hot water supply system for the bathtub and into which a cylindrical main body of the nozzle can not enter. SOLUTION: This cleaning nozzle consists of a cylindrical main body 1 to be inserted into a circulation pipeline and a hose fastener, wherein plural jet nozzle holes 6 are formed in the head 2 of the cylindrical main body 1, so as to face obliquely outward to the moving direction of the main body 1 when inserted into the circulation pipeline. The cleaning nozzle can be used by fitting a hose connected to a water pipe or the like, to the tail end of the cylindrical main body 1 and joining and fixing the hose to the tail end with the hose fastener, and city water from the water pipe is jetted from the jet nozzle holes 6 formed in the head 2 of cylindrical body 1, in a pressurized state to a higher hydraulic pressure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method in which tap water is supplied to a hose by passing a cylindrical body through a circulation pipe, and the injected tap water becomes high-pressure water to clean the pipe wall of the circulation pipe. The present invention relates to a circulation pipe for a bath tub and a cleaning nozzle around a boiler, which can clean the boiler without leaving any scale around the boiler.

[0002]

2. Description of the Related Art Conventionally, as a cleaning device for a circulating pipe for a bathtub of this type, the tip of the device is set at an end opening of the circulating pipe, and high-pressure water such as tap water is supplied into the circulating pipe via this device. It is common to blow water.

Certainly, in the above-described conventional apparatus for cleaning a circulating pipe for a bathtub, among the scales or the like that have adhered to the inner wall of the circulating pipe, those having less strong adhesion are washed away by the water pressure of high-pressure water. However, most of the scale is very firmly attached to the inner wall of the circulation pipe, and the above-described apparatus cannot remove the scale and the like attached to the inner wall of the circulation pipe very effectively.

[0004]

SUMMARY OF THE INVENTION Therefore, Japanese Unexamined Patent Publication No.
It is conceivable to use a washing nozzle as described in JP-A-193129 and JP-A-62-159589. That is, in Japanese Unexamined Patent Publication No. Hei 6-193129, a nozzle hole is formed in the side wall of the nozzle at right angles or backward to the direction of insertion of the nozzle.
In Japanese Patent No. 159589, a concave groove is formed in a side wall of a nozzle in a circumferential shape, and a nozzle hole facing backward with respect to a nozzle insertion direction is also formed.

In each of the prior arts described above, a nozzle hole is formed in the side wall of the nozzle at right angles to or in the rearward direction of the nozzle, so that the scale or the like adhering to the inner wall of the circulating pipe can be removed from a very close position. Can be washed by spraying a high-pressure water stream on the surface. Therefore, the straight pipe portion of the circulation pipe can be cleaned without any problem, but there is a problem that the cleaning cannot be performed effectively because the portion around the boiler cannot be inserted.

Therefore, the circulation pipe for the bathtub and the cleaning nozzle around the boiler according to the present invention are intended to solve the above-mentioned drawbacks of the prior art, and can not only clean the straight pipe portion of the circulation pipe but also form the cylindrical body. It is an object of the present invention to provide a bathtub circulation pipe and a cleaning nozzle around the boiler, which can very effectively clean the area around the boiler from the circulation pipe into which water cannot enter.

[0007]

In other words, a circulation pipe for a bathtub and a washing nozzle around a boiler according to the present invention comprise a cylindrical body inserted into the circulation pipe and a hose stopper. The present invention is characterized in that the nozzle holes are formed obliquely outward in the direction of travel to the circulation pipe.

The bathtub circulation pipe and the washing nozzle around the boiler according to the present invention comprise a cylindrical body inserted into the circulation pipe and a hose stopper, and a plurality of nozzle holes are formed at the head of the cylindrical body by the circulation pipe. A tubing circulation pipe and a washing nozzle around the boiler, which are formed diagonally outwardly toward the direction of travel toward, into the end of the cylindrical body, fitted with a hose connected to water, etc., and connected with a hose stopper.
It is also characterized in that tap water can be used by being fixed, and the tap water is jetted from a jet nozzle provided at the head of the tubular body with stronger water pressure.

According to the present invention, the hose connected to the water supply or the like is fitted to the end of the cylindrical main body, and the hose is connected and fixed by a hose stopper, so that the hose can be easily used, and can be used in the direction of travel to the circulation pipe. A bath tub that not only sprays tap water sprayed from the nozzle holes formed diagonally outward in the state of high-pressure water onto the pipe wall of the circulation pipe, but also cleans almost no scale remaining around the boiler. It has become possible to provide a washing nozzle around a service circulation pipe and a boiler.

Further, according to the present invention, the scale around the boiler can be more effectively cleaned by inverting (swinging) the tubular main body right and left at the end of the boiler.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a circulation pipe for a bathtub and a washing nozzle around a boiler according to the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows an embodiment of a circulation pipe for a bathtub and a washing nozzle around a boiler according to the present invention. FIG. 1 is a side view of a cylindrical body, FIG. 2 is a front view thereof, and FIG. 4 is an exploded side view showing an assembled state of the hose stopper, and FIG. 5 is a schematic view showing a used state of a circulation pipe for a bathtub and a cleaning nozzle around a boiler according to the present invention.

In FIGS. 1 and 2, the cylindrical main body 1
Consists of a head 2 having a predetermined length inserted into the circulation pipe, and a multi-stage hose mounting portion 4 integrally mounted on the head 2 via a male screw portion 3 to which a hose stopper 5 is fixed.
The head 2 has a diameter close to the inner diameter of the circulation pipe.
In contrast, the diameter of the hose is reduced by a dimension at least equal to the thickness of the hose.

A plurality of nozzle holes 6 are formed in the head portion 2 of the cylindrical main body 1, and the nozzle holes 6 are formed obliquely outward in the direction of travel to the circulation pipe. ing. In each of the above figures, the nozzle hole 6 corresponds to the cylindrical main body 1.
It extends radially from the inner wall toward the outer side of the hemispherical bulging portion 7 of the head 2 and is arranged at substantially equal intervals—in the figure, at three divided positions in the circumferential direction.

FIG. 3 shows a hose stopper 5 fixed to the screw portion 3. A female screw portion 8 fixed to the male screw portion 3 provided on the head portion 2 at a front end portion, and a hose stopper 5 at a rear end portion. The female-side hose mounting portion 9 corresponding to the male-side hose mounting portion 4 is formed.

It is desirable that each part of the tubular body 1 and the hose stopper 5 is made of a strong plastic. Examples of the material include engineering plastics such as Duracon (trade name).

As shown in FIG. 4, the parts of the cylindrical body 1 and the hose stopper 5 are fitted with the high-pressure hose 11 into the multi-stage hose mounting part 4, and then the hose stopper 5 is fitted from the end of the cylindrical body 1. The female screw 8 is fixed to the male screw 3 of the cylindrical main body 1 to be assembled. At this time, the high-pressure hose 11 is fixed so as to be sandwiched between the male-side hose mounting portion 4 and the female-side hose mounting portion 9.

Therefore, the high-pressure hose 11 connected to the water supply or the like is fitted into the end of the cylindrical main body 1 and the high-pressure hose 11 is connected and fixed by the hose stopper 5 in the bathtub circulation pipe and the washing nozzle around the boiler. It can be used by At that time, tap water is jetted from the nozzle hole 6 provided in the head portion 2 of the cylindrical main body 1 with a stronger water pressure, thereby removing scales and the like adhering to the inner wall of the circulation pipe.

FIG. 5 shows the use of the circulation pipe for a bathtub and the cleaning nozzle around the boiler according to the present invention. That is, the head 2 of the tubular main body 1 is inserted into the circulation pipe 14 connected between the bathtub 12 and the boiler 13, and the tubular main body 1 is gradually pushed in. At this time, tap water is jetted from the nozzle hole 6 provided in the head 2 of the cylindrical main body 1 with a stronger water pressure, and the scale or the like attached to the inner wall of the circulation pipe 14 is removed.

Thereafter, as the head 2 of the tubular body 1 approaches the boiler, the inner wall of the tubular body 1 separates the head 2 from the inner wall.
The high-pressure tap water sprayed from the nozzle hole 6 radially extending toward the outer side of the hemispherical bulging portion 7 reliably removes the scale around the boiler. And although it was a mere visual check, the removal rate of the scale around the boiler was such that the background of the material of the circulation pipe 14 itself could be seen.

By the way, when a spraying ability test was conducted on the bathtub circulation pipe of the present invention and the washing nozzle around the boiler, the flight distance when using a 3 × φ2 high-pressure water supply hose was about 8 m.

As described above, the bathtub circulation pipe and the washing nozzle around the boiler according to the present invention are very effective in cleaning the bathtub circulation pipe. Needless to say, it can be suitably used for the plumbing around the kitchen and other piping systems.

[0023]

According to the present invention, a hose connected to a water supply or the like is fitted at the end of the cylindrical main body, and the hose can be easily used by connecting and fixing the hose with a hose stopper.
Tap water sprayed from the nozzle hole formed diagonally outward in the direction of travel to the circulation pipe is not only sprayed and washed on the pipe wall of the circulation pipe in the state of high-pressure water, but also almost all scales around the boiler It has become possible to provide a circulation pipe for a bathtub and a cleaning nozzle around a boiler that can be cleaned without leaving.

Further, according to the present invention, it is possible to more effectively clean the scale around the boiler by inverting (swinging) the tubular main body right and left at the end of the boiler.

[Brief description of the drawings]

FIG. 1 is a side view of a tubular main body, showing an embodiment of a bathtub circulation pipe and a washing nozzle around a boiler according to the present invention.

FIG. 2 is a front view thereof.

FIG. 3 is a side view showing a hose stopper attached to the tubular main body.

FIG. 4 is an exploded side view showing an assembled state.

FIG. 5 is a schematic diagram showing a use state of a circulation pipe for a bathtub and a cleaning nozzle around a boiler according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylindrical main body 2 Head 3 Male screw part 4 Hose mounting part 5 Hose stop 6 Nozzle hole 7 Expansion part 8 Female screw part 9 Hose mounting part 11 High-pressure hose 12 Bathtub 13 Boiler 14 Circulation pipe

Claims (2)

[Claims] 1. A tubular body inserted into a circulating pipe and a hose stopper, and a plurality of nozzle holes are formed in a head of the tubular body obliquely outwardly in a direction toward the circulation pipe. A washing pipe around a circulation pipe for a bathtub and a boiler. 2. A cylindrical body inserted into a circulation pipe and a hose stopper, and a plurality of nozzle holes are formed in a head of the cylindrical body in a diagonally outward direction toward a traveling direction toward the circulation pipe. It is a tubing circulation pipe for the bathtub and a washing nozzle around the boiler.The hose connected to the water supply, etc. is fitted into the end of the cylindrical body, and the hose is connected and fixed with a hose stopper. A circulation nozzle for a bathtub and a cleaning nozzle around a boiler, wherein the water is jetted from a jet nozzle provided at the head of the main body at a higher water pressure.