JPH09317100A - Universal drain - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the adhesion strength by providing an upper eaves gutter holding part of a universal drain forming a flanged body comprising a plate-shaped body to be abutted on a bottom surface of the eaves gutter and a projected piece which is extended diagonally upwardly on each side of the plate-shaped body and a butted on each side wall of the eaves gutter to increase the adhesion area to the eaves gutter. SOLUTION: A universal drain A comprises an inner cylindrical body 1 having an upper eaves gutter holding part 11 and an outer cylindrical body 2 having a lower eaves gutter holding part 21. The upper eaves gutter holding part 11 is a flanged body comprising a plate-shaped body 12 to be abutted on a bottom surface of an eaves gutter 4 and a projected piece 13 to be extended diagonally upwardly on each side of the plate-shaped body 1 and abutted on each side wall of the eaves gutter 4. The adhesive is applied to the lower surface of the plate-shaped body 12 of the upper eaves gutter holding part 11 and the projected piece 13, which are fixed to the bottom surface of the eaves gutter 4 and each side wall. Because the upper eaves gutter holding part 11 is the flange body, the universal drain A can be adhered to the bottom surface of the eaves gutter 4 even in the width direction of the eaves gutter 4, the adhesion area can be increased, and sufficient adhesion strength can be obtained.

Description

Detailed Description of the Invention

[0001]

The present invention relates to a universal drain.

[0002]

2. Description of the Related Art Conventionally, a universal drain has been used in the actual development of Sho 59-17.
As described in Japanese Patent No. 5527, an inner cylindrical body having a male screw on the outer peripheral surface of the lower end portion and an upper eaves gutter sandwiching portion on the outer periphery of the upper edge, and a lower eaves trough sandwiching portion and an upper end portion on the outer periphery of the upper edge. Of the outer cylinder having an internal thread on the inner peripheral surface of the, and a dust blocking rod is erected above the inner cylinder, and the dust blocking rod has a streamlined cross section in the rainwater drainage direction. An overflow cylinder is provided on the dust blocking rod, and an inner cylinder is inserted into the hole formed in the eaves gutter, and an outer cylinder is inserted into the inner cylinder from below. It is made by screwing. In this free drain, the inner cylinder and the outer cylinder are attached from above and below in the holes drilled in the eaves gutter, and the dust shield rod is erected above the inner cylinder. Since the overflow cylinder is provided on the top, it can be exhausted by the overflow cylinder, the rainwater does not collect in the drain part, the rainwater flows into the smooth, and there is no dust. Since the crossbar in the direction of drainage of rainwater has a streamlined shape, the flow of rainwater becomes smooth even in the dust-proof portion, which is convenient.

However, in this free drain, the brim of the upper eaves gutter holding portion on the outer periphery of the upper edge has an oval shape, and the width of the brim can be made longer in the rainwater drainage direction. The width of the gutter is limited by the width of the eaves gutter, and the width of the brim inevitably becomes shorter. When bonding the upper eaves gutter clamping part to the bottom of the eaves gutter, the adhering area can be made large in the direction of rainwater drainage where the width of the eaves can be long, and sufficient adhesive strength can be provided, but the width of the eaves gutter In the direction, since there are side walls on both sides, the adhesion area becomes small and sufficient adhesion strength cannot be provided. Therefore, if the eaves gutter moves due to expansion and contraction or vibration caused by the temperature difference in the eaves gutter in the summer and winter, the bonded part may be peeled off, causing water leakage. Therefore, an object of the present invention is to provide a universal drain in which the brim of the upper eaves gutter holding portion and the bottom surface of the eaves gutter have a sufficient adhesion area, water leakage does not occur, and the drainage area is large.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and comprises an inner cylinder having an upper eaves gutter sandwiching portion and an outer cylinder having a lower eaves trough sandwiching portion. In the flexible drain, the upper eaves gutter holding portion includes a plate-like body that abuts on the bottom surface of the eaves gutter, and projecting pieces that extend obliquely upward on both sides of the plate-like body and abut on both side walls of the eaves gutter. It is a collar-shaped body made of.

It is preferable that the plate-like member, the projecting piece and the net member of the upper eaves gutter holding portion of the inner cylinder of the present invention are integrally molded by an injection molding method from the viewpoint of weight and appearance. Further, it is preferable that the outer cylindrical body is integrally molded by an injection molding method in terms of light weight and appearance. or,
It is preferable that the shape of the opening of the inner cylinder is a rectangle having a long rainwater drainage direction because the drainage area is widened. Moreover, the angled net provided at the upper end opening of the inner tubular body is not almost at the same height as the bottom of the eaves gutter, but is erected by a rod as shown in FIG. 1 and is slightly higher than the bottom of the eaves gutter. This is preferable because the flow of water becomes smooth. Also, change the shape of this rod
It is preferable that the cross section in the rainwater drainage direction has a streamlined shape because water easily flows. Further, it is preferable that the lower end portion of the inner cylindrical body having the male screw on the outer peripheral surface and the outer cylindrical body have a shape that matches the shape of the downpipe. That is, it may have a cylindrical shape or a rectangular tube shape, but if the lower end portion of the inner cylinder and the outer cylinder are made cylindrical, a structure capable of screw connection can be obtained, which is a simple structure, which is preferable. . The material of the universal drain may be appropriately selected, but hard vinyl chloride resin is preferable.

(Operation) When the universal drain of the present invention is attached to the eaves gutter, first, a hole is made in the eaves gutter, and the lower surface of the plate-like body of the upper eaves gutter holding portion and the lower surface of the protruding piece are provided. The inner cylinder coated with adhesive is inserted into this hole, and the male screw on the lower end of the inner cylinder is screwed onto the female screw on the upper end of the outer cylinder from below to secure the bottom of the eaves gutter. The upper and lower eaves gutter holding portions are sandwiched and fixed. In this way, the upper eaves gutter holding portion of the inner cylinder body is a plate-shaped body that abuts the bottom of the eaves gutter, and both sides of the plate-shaped body extend obliquely upward to abut both side walls of the eaves gutter. Since it is a flange-shaped body consisting of protruding pieces, it is possible to bond the bottom of the eaves gutter to both side walls of the eaves gutter even in the eaves gutter width direction, resulting in a large adhesion area and sufficient adhesive strength. You can have it. Further, the male screw of the upper eaves gutter sandwiching portion can be screwed into the female screw of the lower eaves trough sandwiching portion to join the screws, and the bottom surface of the eaves trough can be firmly sandwiched. Therefore,
Even if the eaves gutter is stretched or vibrated due to the temperature difference between summer and winter, the bonded part does not peel off and water does not leak.

[0006]

Next, embodiments of the present invention will be described. 1 and 2 show one embodiment of the universal drain of the present invention. FIG. 1 is an explanatory view showing a state in which the universal drain is attached to the eaves gutter and the vertical gutter is attached, and FIG. FIG. 3 is a front explanatory view of an inner cylinder of a drain, (b) is a front explanatory view of an outer cylinder of a universal drain, and (c) is a plan view of a mesh body of the universal drain. A is a free drain, and the free drain A is composed of an inner cylindrical body 1 having an upper eaves gutter sandwiching portion 11 and an outer cylindrical body 2 having a lower eaves trough sandwiching portion 21. The upper eaves gutter sandwiching portion 11 includes a plate-shaped body 12 that abuts the bottom surface of the eaves-gutter 4, and projecting pieces 13 that extend on both sides of the plate-shaped body 12 obliquely upward and abut both side walls of the eaves-gutter 4. It is made of a brim. As shown in FIG. 1, the upper end opening 17 of the inner tubular body 1 is erected by a rod and is covered with a rectangular net 15 which is slightly higher than the bottom of the eaves gutter 4 and is long in the rainwater drainage direction. . Inner cylinder 1
A male screw 16 is provided on the outer peripheral surface at the lower end of the.

The outer tubular body 2 has a lower eaves gutter holding portion 2 on the outer periphery of the upper edge.
1, a female screw 24 on the inner peripheral surface of the upper end portion, and a vertical gutter connection portion 22 on the lower end portion, and the lower eaves gutter holding portion 21 is formed as a brim that abuts the bottom surface of the eaves gutter 4. .

Next, the construction method and operation of the universal drain 1 will be described. First, the position where the eaves gutter 4 is connected to the vertical gutter 5 is determined. Next, the hole 3 is formed in the eaves gutter 4 at this position. Next, an adhesive is applied to the lower surface of the plate-shaped body 12 of the upper eaves gutter holding portion 11 and the lower surface of the protruding piece 13. Next, the inner tubular body 1 is inserted into the hole 3 of the eaves gutter 4, and the lower surface of the plate-like body 12 of the upper eaves gutter holding portion 11 is provided on the bottom of the eaves gutter 4 and the upper gutters on both side walls of the eaves gutter 4. The lower surface of the protruding piece 13 of the holding portion 11 is fixed.
Next, the female screw 24 at the upper end of the outer tubular body 2 is screwed from the lower side to the male screw 16 at the lower end of the inner tubular body 1 so that the bottom surface of the eaves gutter 4 and the upper eaves trough holding portion 11 and the lower side. The eaves gutter holding part 21 is sandwiched and fixed.

When the universal drain 1 is attached in this way, both sides of the plate-like body 12 of the upper eaves gutter holding portion 11 of the inner tubular body 1 are extended obliquely upward so as to abut against both side walls of the eaves gutter 4. Since it is a flange-shaped body composed of the pieces 13, even in the width direction of the eaves gutter 4, the bottom of the eaves gutter 4 and both side walls of the eaves gutter 4 bond the free drain 1 and the bottom of the eaves gutter 4 together. This results in a large adhesive area and sufficient adhesive strength. Furthermore, the female screw 24 of the lower eaves trough sandwiching portion 21 can be screwed into the male screw 16 of the upper eaves trough sandwiching portion 11 to perform screw connection, and the bottom surface of the eaves trough 4 can be firmly sandwiched.

[0010]

The upper eaves gutter sandwiching portion of the inner cylinder of the universal drain of the present invention has a plate-like body that abuts the bottom of the eaves-gutter, and both sides of the plate-like body are extended obliquely upward to form the eaves-gutter. Since it is a flange-shaped body consisting of protruding pieces that come into contact with both side walls of the eaves gutter, the bottom of the eaves gutter can be adhered to both side walls of the eaves gutter even in the width direction of the eaves gutter, resulting in a large adhesion area. , Can have sufficient adhesive strength. Further, the male screw of the upper eaves gutter sandwiching portion can be screwed into the female screw of the lower eaves trough sandwiching portion to join the screws, and the bottom surface of the eaves trough can be firmly sandwiched. Therefore, even if the eaves gutter is stretched or vibrated due to the temperature difference between summer and winter, the bonded portion does not peel off and water does not leak.

[Brief description of drawings]

FIG. 1 is a view showing an embodiment of a universal drain according to the present invention, in which a universal drain is attached to an eaves gutter and a vertical gutter is attached.

FIG. 2 shows an embodiment of the universal drain of the present invention,
(A) is a front explanatory view of an inner cylinder of the universal drain, (B) is a front explanatory view of an outer cylinder of the universal drain, and (C) is a plan explanatory view of a mesh body of the universal drain.

[Explanation of symbols]

 A Free drain 1 Inner cylinder 11 Upper eaves gutter holding part 12 Plate-like body 13 Projecting piece 15 Net body 16 Male screw 17 Upper end opening 2 Outer cylinder 21 Lower side gutter holding part 22 Vertical gutter connection part 24 Female screw 3 Hole 4 eaves gutter 5 vertical gutter

Claims (1)

[Claims] 1. A free drain comprising an inner tubular body having an upper eaves trough sandwiching portion and an outer tubular body having a lower eaves trough sandwiching portion, wherein the upper eaves trough sandwiching portion is a plate that abuts a bottom surface of the eaves trough. A free drain, which is a brim-shaped body comprising a plate-shaped body and projecting pieces that extend obliquely upward on both sides of the plate-shaped body and contact both side walls of the eaves gutter.