JP3164714B2 - Downspout fitting - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a downspout connecting device for connecting downspouts, and more particularly to a downspout having an axially engaging ridge protruding in a side surface by bending a side wall. About what connects.

[0002]

2. Description of the Related Art Conventionally, as described in, for example, Japanese Utility Model Application Laid-Open No. 3-93434 and Design Registration No. 822325, an axial engaging groove is formed in a side surface by bending a side wall. As a downspout connector for connecting the downspout, it has a spout at one end to fit the inner surface of the downspout end,
On the side surface of the spout, there is known a downspout connector having a concave groove that fits with an engagement ridge protruding from an inner side surface of the downspout.

In such a conventional downspout connector,
The concave groove provided on the side surface of the spout is shaped so as to fit with the engaging ridge protruding from the inner side surface of the downspout from the opening end of the spout to the back.

[0004]

However, in the above-mentioned conventional downspout connector, the groove provided on the side face of the spout protrudes from the open end of the spout to the inner side of the downspout. It is shaped so as to fit with the engaged ridge, so when inserting and connecting the spout of the downspout connector into the downspout, insert the inner surface of the open end of the downspout and the downspout connector. In addition to the need to match the outer surface of the mouth opening end, it is necessary to match the ridge protruding from the inner surface of the downspout with the groove of the downspout connector. The connection work was not easy because they had to be performed simultaneously.

The present invention has been made in view of the problems in such a conventional downspout connector, and an object of the present invention is to solve the conventional problems and to perform an operation for connecting the downpipe. The purpose of the present invention is to provide a downspout connector which is easy to use.

[0006]

In order to achieve the above object, the downspout connector of the present invention is provided with an axially engaging groove on a side surface and an axially engaging ridge on an inner surface. A gutter connecting tool for connecting a square tubular gutter provided, the gutter having at least one end having an outlet for fitting to an inner surface of an end of the gutter, and a side wall of the gutter being provided on a side surface of the gutter. In a downspout connector having a concave groove to be fitted with an engaging ridge projected on an inner side surface of a gutter, at least one of a corner part of an inlet and a corner part of an opening part of the concave groove is formed. A slope is provided on the outer surface, and the slope is gradually reduced as it goes deeper from the opening end of the entrance. The present invention, by such a configuration,
The above problems are to be solved.

In the present invention, the material of the downspout connector is not particularly limited. For example, in addition to a synthetic resin such as hard vinyl chloride resin, polyethylene, FRP and polycarbonate, a material such as polyphenylene sulfide is used. Metals such as engineering plastics, iron, stainless steel, copper, and aluminum may be used alone, or a hard vinyl chloride resin coating layer may be provided on both sides of a metal core material such as iron. The materials may be used in appropriate combinations.

In the present invention, the slope provided on the outer surface of at least one of the corner of the insertion opening and the corner of the opening of the concave groove may be a flat slope, or a curved slope. May be.

[0009]

In the downspout fitting of the present invention, a slope is provided on the outer surface of at least one of the corner of the mouth and the corner of the opening of the concave groove, and the slope is formed from the end of the mouth of the mouth. Since it is gradually decreased as it goes into the back, when connecting with the downspout, the work of aligning the outer surface of the open end of the outlet of the downspout connector of the present invention with the inner surface of the open end of the downspout becomes easy,
By completely inserting the spout of the downspout connector of the present invention into the downspout, the groove of the spout of the downpipe connector of the present invention and the ridge on the inner surface of the downspout are fitted to each other.

[0010]

Next, embodiments of the present invention will be described with reference to the drawings. Embodiment 1 FIG. 1 is a partially cutaway perspective view showing an example of a downspout connector of the present invention and a feed gutter connected by the downpipe connector of the present invention. FIG. 2 is a cross-sectional view taken along line II-II of FIG. FIG. 3
FIG. 3 is a sectional view taken along line III-III in FIG. 1.

In FIG. 1, reference numeral 1 denotes a downpipe made of a hard vinyl chloride resin, and the downpipe 1 is a substantially square-tube-shaped extruded product. Accordingly, the engaging groove 11 is provided over the entire length, and the engaging groove 11 is provided as a ridge 12 inside the downspout 1. When the downspout 1 is mounted on the wall surface of the building, the engaging groove 11 is used for engaging an engaging portion at the tip of a substantially U-shaped engaging piece provided on a mounting tool (not shown).

In FIGS. 1 to 3, reference numeral 2 denotes a downspout connector according to the present invention which is used for connecting the downspouts 1 to each other. A receiving port 22 is formed at the other end and fitted to the outer surface of the end of the downspout 1.
Are formed. On the outer surfaces of a pair of opposed side walls of the insertion port 21, a pair of ridges 12 that can be fitted with the ridges 12 on the back surface of the engagement grooves 11 of the pit 1 at positions corresponding to the engagement grooves 11 of the pit 1. A groove 221 is provided on the inner surface of the opposite side wall of the receiving port 22 so as to be coaxial with the groove 211 so as to be fittable with the engaging groove 11 of the downspout 1.

The downspout connector 2 of the present invention is characterized in that, as shown in FIGS. 4 and 5, a curved slope 212 is provided on the outer surface of the corner of the outlet 21. The width of the slope 212 is as follows. The depth gradually decreases as it goes deeper from the entrance opening end 213, and the slope 212 is eliminated at the innermost part. A curved slope 214 is also provided at the corner of the opening of the concave groove 211, and the width of the slope 214 is gradually reduced as it goes deeper from the opening end 213, and the slope 214 is located at the innermost part. Is gone.

As for the receiving port 22, the tip 223 of the receiving port 22 on the side of the open end 222 of the ridge 221 is the open end 22.
2, that is, at a position retracted toward the outlet 21 side, and the tip 223 of the ridge 221 is formed in a semicircular curved surface shape. The groove 11 of the gutter 1 and the ridge 221 are easily fitted.

Next, the operation of the downspout connector 2 of the present invention shown in FIGS. 1 to 3 will be described. In order to insert the spout 21 of the downspout connector 2 of the present invention into the downspout 1, the inner surface of the end of the downspout 1 and the outer surface of the open end 212 of the spout 21 of the downspout connector 2 of the present invention are to be inserted. At the same time, the outlet 21 is inserted into the downspout 1.

At the time of this insertion, a curved inclined surface 212 is provided on the outer surface of the corner of the corner of the insertion port 21.
Is gradually reduced as it goes deeper from the outlet opening end 213, so that the insertion of the outlet 21 into the downspout 1 and the gap between the concave groove 211 of the outlet 21 and the ridge 12 of the downspout 1 are performed. Fitting is easy.

Further, when the spout 21 is inserted into the downspout 1, the deep portion of the corner of the downspout 1 comes into contact with the deep portion of the corner of the downspout 1, and the ridge of the downspout 1 is projected. The inner part of the groove 12 contacts the inner part of the groove 211 of the outlet 21, and the two are tightly fitted. When the outlet 21 is completely inserted into the downspout 1, the downspout connector 2 of the present invention The connection between the outlet 21 and the downspout 1 is terminated.

The connection between the receiving port 22 and the downspout 1 is made by combining the outer surface of the end of the downspout 1 with the inner surface of the open end 222 of the receiving port 22 of the downspout connector 2 of the present invention. The downspout 1 is inserted. At the time of this insertion, since the tip 223 on the opening end 222 side of the ridge 221 of the receiving port 22 is located at a position deeper than the opening end 222, that is, at a position retracted toward the insertion port 21 side, It is not necessary to align the ridge 221 with the groove 11 of the downspout 1.

Further, when the downspout 1 is inserted into the receiving port 22, the tip of the concave groove 11 of the downspout 1 is
1 reaches the tip 223 on the side of the open end 222,
Since the tip 223 of the ridge 221 has a semicircular curved surface, the tip 223 serves as a guide, and the tip of the groove 11 of the downspout 1 is guided by the semicircular tip 223. The tip of the concave groove 11 of the downspout 1 is a ridge 22 of the receiving port 22.
1 and the ridge 221 of the receptacle 22 and the groove 11 of the pit 1 are fitted together with the insertion of the pit 1 into the receptacle 22.
When the downspout 1 is completely inserted into the receiving port 22, the connection between the receiving port 22 of the downspout connector 2 of the present invention and the downspout 1 is terminated.

[Embodiment 2] FIG. 6 shows another example of the downspout connector of the present invention. In the downpipe connector 2a of the present invention shown in FIG. 6, the insertion port 21a and the receiving port 22a have a bent portion 23a.
The outlet 21a and the receptacle 22a are oriented in directions orthogonal to each other. A curved slope 212a is provided on the outer surface of the corner at the corner of the insertion opening 21a, and the width of the slope 212a is gradually reduced as it goes deeper from the opening end 213a, and the slope 212a is eliminated at the innermost portion. ing. A curved slope 214a is also provided at a corner of the opening of the concave groove 211a.
The width of 14a gradually decreases as it goes deeper from the opening end 213a, and the slope 214a is eliminated at the innermost part.

It should be noted that the receiving port 22a is
The tip 223a of the ridge 221a on the side of the opening end 222a is located at a position deeper than the opening end 222a, that is, at a position retracted toward the insertion port 21a.
23a is formed in a semicircular curved surface shape, so that the connection between the groove and the ridge 221a is facilitated when connecting to the downspout.

Although the embodiment of the present invention has been described with reference to the drawings, the specific configuration of the present invention is not limited to the illustrated embodiment, and design changes within the scope of the present invention may be made. include.

For example, in the illustrated embodiment, the downspout connector 1 is a square tube, but if the downspout to be connected is cylindrical, the downspout connector of the present invention to which the downspout should be connected It goes without saying that also becomes cylindrical.

[0024]

In the downspout connector of the present invention, when connecting to the downspout, the work of aligning the outer surface of the open end of the spout with the inner surface of the open end of the downspout is easy. Therefore, connection with the downspout is easy, and by inserting the spout of the downpipe connector of the present invention completely into the downspout, the groove of the spout of the downspout connector of the present invention and the inner surface of the downspout can be obtained. Are closely fitted to each other.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing an example of a downspout connector and a downspout of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG. 1;

FIG. 4 is a cross-sectional view showing the vicinity of the opening end of the outlet of the downspout connector of the present invention.

FIG. 5 is a cross-sectional view showing the vicinity of the innermost part of the outlet of the downspout connector of the present invention.

FIG. 6 is a perspective view showing another example of the downspout connector of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Downspout 11 Engagement groove 12 Protrusion 2 Downspout connector 21 Insert 211 Concave groove 212 Slope 213 Open end 214 Slope 22 Receptacle 221 Protrusion 222 Open end 223 Tip of ridge

Claims (1)

(57) [Claims] 1. A downspout connector for connecting a square downpipe having an engagement recessed groove formed on a side surface in an axial direction and an engagement protrusion formed on an inner surface in an axial direction. At least at one end, there is an inlet for fitting to the inner surface of the end of the downspout, and at the side of this outlet, there is a concave groove to be fitted with an engagement ridge protruding from the inner surface of the downspout. In the downspout connector, a slope is provided on the outer surface of at least one of the corner of the inlet and the corner of the opening of the concave groove, and the slope gradually decreases as it goes inward from the opening end of the inlet. Downspout fitting characterized by being reduced.