JPH0579595B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Application Field) The present invention is mainly applicable to water storage type water heaters, low tanks for cleaning toilet bowls, water tanks, bathtubs, sinks, and other various types of water heaters for storing liquids such as hot water and water. This invention relates to liquid guiding devices such as overflow pipes used in tanks and the like.

(Prior Art) Conventionally, as shown in FIGS. 9 and 10, storage type water heaters and the like have a large-diameter overflow pipe 12 whose upper end is simply cut horizontally at the upper end of a drain pipe 11. were connected at an appropriate height via a different diameter joint 13.

On the other hand, at the upper end of the overflow pipe, there is a cylinder in which several slightly curved protrusions are provided at appropriate intervals on the inner surface of the conical enlarged part on the upper end side, and a downward-facing approximately hemispherical shape that closes from above the cylinder. It has been proposed that a funnel consisting of a net and a funnel fitted therein has been proposed (for example, Utility Model Publication No. 58-53352).

(Problem to be Solved by the Invention) However, in the case of the overflow pipe 12 where the upper end is simply cut horizontally as in the former case, the overflow liquid rises above the reference plane, and the overflow liquid reaches the upper end of the overflow pipe 12. The position where the liquid flows from the opening into the inside of the overflow pipe 12 is not fixed, and when the overflow liquid flows into the inside of the overflow pipe 12, an air layer 14 is generated at the inner peripheral edge of the overflow pipe 12, which obstructs drainage. As a result of this resistance, the draining capacity of the overflow pipe 12 is reduced, resulting in a reduction in the amount of liquid stored. Moreover, the drainage capacity normally required of the overflow pipe 12 is the same as that of the ball tap 1.
In order to increase the draining capacity of the overflow pipe 12, a large-diameter overflow pipe 12 is required. 12 and the drain pipe 11, a joint 13 of different diameter is required, and the material is bulky, resulting in great waste.

On the other hand, in the latter method, a funnel consisting of a separately molded cylinder and a mesh must be fitted to the upper end of the overflow pipe, which not only complicates the structure and is extremely uneconomical, but also prevents overflow. When liquid flows into the overflow pipe, the overflow liquid simultaneously flows from the entire upper end of the cylinder of the funnel through the mesh, so even if there is a protrusion on the inner surface of the enlarged part of the cylinder, the overflow liquid will not flow into the overflow pipe. This had the disadvantage that it was difficult for the liquid to flow into the interior in a spiral shape, and the drainage capacity of the overflow pipe was slightly lower, reducing the amount of liquid stored, although not as much as the former.

Therefore, the present invention was created in order to solve the above-mentioned problems, and it is possible to improve the drainage capacity of overflow pipes, etc., thereby significantly increasing the amount of liquid stored, and reducing the amount of materials used. It is an object of the present invention to provide a liquid guiding device such as an overflow pipe which can be significantly simplified in structure and extremely economical.

(Means for Solving the Problems) In order to achieve the above-mentioned objects, the present invention provides a device for guiding overflow liquid inside a storage type water heater or the like to an upper end opening of an overflow pipe or the like. Alternatively, a plurality of liquid guiding pieces are provided in a spiral shape at appropriate intervals in the circumferential direction by cutting and raising the upper end opening of the overflow pipe outward, and the liquid guiding piece of the upper end opening of the overflow pipe, etc. A liquid inlet is provided inside the piece, through which the overflow liquid guided by the liquid guiding piece flows into the overflow pipe etc. in a spiral manner, by cutting the upper end opening of the overflow pipe outward. It was established accordingly.

(Function) By using the above-mentioned technical means, the overflow liquid inside the hot water storage type water heater etc. is guided by the liquid guide piece and flows into the overflow pipe etc. from the liquid inlet in a spiral shape. do.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

As shown in FIGS. 1 and 2, the liquid guide device such as an overflow pipe of the present invention has two parts that guide overflow liquid inside a hot water storage water heater or the like to the upper end opening of an overflow pipe 1. Curved liquid guiding pieces 2 are provided in a spiral shape at 180 degree intervals in the circumferential direction, and inside each of the liquid guiding pieces 2 at the upper end opening of the overflow pipe 1, the liquid guiding pieces 2 are provided to guide the liquid. A liquid inlet 3 is provided, through which the overflow liquid flows into the overflow pipe 1 in a spiral manner.

Therefore, the liquid guide piece 2 and the liquid inlet 3
is provided in a spiral shape at an interval of 180 degrees in the circumferential direction of two liquid guide pieces 2 at the upper end opening of the overflow pipe 1, and a liquid inlet 3 is provided inside each liquid guide piece 2. Although described and illustrated, the number of liquid guide pieces 2 and liquid inlets 3 is not limited to two, and for example, as shown in FIGS. 3 and 4, Four liquid guide pieces 2 are provided in the opening at 90 degree intervals in the circumferential direction, or other liquid guide pieces 2 are provided in a spiral shape at equal intervals in the circumferential direction.
(It is also possible to provide a liquid inlet 3 separately), and a liquid inlet 3 may be provided inside each liquid guiding piece 2.

Further, the liquid guide piece 2 and the liquid inlet 3 are
The upper end opening of the overflow pipe 1 is cut and raised outward, and the cut and raised part becomes the liquid guide piece 2, and the cut and raised part becomes the liquid inlet 3, so that it is integrally molded. In this case, as shown in FIGS. 5 and 6, a liquid guide 6 having a liquid guide piece 4 and a liquid inlet 5 on its upper part is molded separately, and this liquid guide 6 is inserted into the overflow pipe 1.
It may also be fitted into the upper end opening.

Further, although the liquid guiding piece 4 of the liquid guiding body 6 is illustrated as having a curved liquid guiding piece 4 provided in a spiral shape on the upper part of the liquid guiding body 6, the liquid guiding piece 4 is not limited to this. As shown in the figure, it is also possible to provide a spiral liquid guide piece 4 on the upper part of the liquid guide 6, which is slightly twisted toward opposite sides so that the proximal end is closed inward and the distal end is open outward. be.

(Effects of the Invention) As described above, the present invention provides the overflow pipe 1
one or more liquid guide pieces 2, 4 are provided in the upper end opening of the overflow pipe 1 in a spiral shape at appropriate intervals in the circumferential direction by cutting and raising the upper end opening of the overflow pipe 1 outward; Further, liquid inlets 3 and 5 are provided inside the liquid guide pieces 2 and 4 at the upper end opening of the overflow pipe 1 by cutting and raising the upper end opening of the overflow pipe 1 outward. Therefore, during use, the overflow liquid inside the storage type water heater etc. is guided by the liquid guide pieces 2, 4 and flows into the overflow pipe 1 etc. from the liquid inlet ports 3, 5 in a spiral shape. As in the former case, an air layer 14 is generated at the inner circumferential edge of the overflow pipe 12, etc., which acts as a resistance to obstruct drainage, or as in the latter case, the overflow liquid swirls inside the overflow pipe. The drainage capacity of the overflow pipe 1 and the like can be increased without making it difficult for the liquid to flow into the liquid, and the amount of liquid stored can be significantly increased.

Moreover, by increasing the drainage capacity of the overflow pipe 1, etc., the diameter of the overflow pipe 1 can be reduced from that of the former overflow pipe 12.
The diameter can be made smaller than that of the conventional former, and the different diameter joint 13 connecting the large diameter overflow pipe 12 and drain pipe 11, which was used in the former, can be omitted, resulting in a significant saving in materials. Further, unlike the latter conventional method, there is no need to fit a funnel made of a separately molded cylinder and a mesh onto the upper end of the overflow pipe, and the structure can be significantly simplified, which is extremely economical.

In addition, the overflow liquid inside the storage type water heater etc. is guided by the liquid guide piece 2 and flows into the overflow pipe 1 etc. from the liquid inlet port 3 in a spiral shape. Not only that, but also liquid such as cleaning liquid can be made to flow into the inner circumferential surface of the overflow pipe 1, etc. in a spiral shape from the top to the bottom like in a washing machine, so the cleaning effect on the inner circumferential surface of the overflow pipe 1, etc. is significantly enhanced. be able to.

Furthermore, Honyametsu's liquid induction device is mainly used for storage type water heaters, low tanks for flushing toilets, water tanks, bathtubs,
It is used for overflow pipes 1 in sinks and other tanks that store liquids such as hot water and water, but it can also be used in other applications such as washing machines and bathtubs that require liquid to be drained in a short period of time. It can also be used as a drainage hole at the bottom of a refrigerator, etc., so its range of use is extremely wide.

[Brief explanation of the drawing]

1 to 8 show embodiments of the present invention. FIG. 1 is a front view of the first embodiment, FIG. 2 is a plan view of the same, and FIG. 3 is a second embodiment. 4 is a plan view of the same as above, FIG. 5 is a front view showing the third embodiment, FIG. 6 is a plan view of the same as above, FIG. 7 is a front view of the fourth embodiment, and FIG. is a plan view of the same as above, Figure 9 is a schematic diagram of a conventional hot water storage type water heater, and Figure 1 is a schematic diagram of a conventional hot water storage type water heater.
Figure 0 is a longitudinal sectional front view of the overflow pipe same as above. 1...Overflow pipe, 2...Liquid guide piece,
3...Liquid inlet, 4...Liquid guide piece, 5...Liquid inlet, 6...Liquid derivative.

Claims (1)

[Claims] 1. One or more liquid guide pieces for guiding the overflow liquid inside a hot water storage type water heater, etc. are placed in the upper end opening of the overflow pipe, etc. by cutting the upper end opening of the overflow pipe outward. The overflow liquid guided by the liquid guiding piece is provided in a spiral shape at appropriate intervals in the circumferential direction, and inside the liquid guiding piece at the upper end opening of the overflow pipe, etc. A liquid guiding device such as an overflow pipe, characterized in that a liquid inlet into which the liquid flows in a spiral shape is provided by cutting and raising an upper end opening of the overflow pipe outward.