JPH0232426B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a bending joint for connecting eaves gutters at corners of eaves, etc.

(Prior Art) As a conventional bending joint that has the function of absorbing the expansion and contraction of eaves gutters, for example, the one described in Japanese Utility Model Publication No. 56-55431 is known (see Figs. 6 and 7). (see figure).

This conventional bent joint includes a water stop wall 02 into which the end of the eaves gutter 01 is fitted, and a curved gutter 03 that slidably supports the eave gutter 01 and on which the water stop plate 02 is placed.
The water stop plate 02 includes a water stop wall 0
A receiving gutter 05 is provided on the upper part of the water stop wall 04 facing outward, and an eaves gutter support part 06 is provided on the outer edge of the water cutoff wall 04.
The curved gutter 03 is provided with a joint 07 at one end and a partition plate 08 at a position spaced apart from the joint 07 by a predetermined distance.

In addition, at both end portions of the joint portion 07, there are ear receiver portions 010, 010 into which the ear portions 09, 09 of the eave gutter 01 are fitted.
is formed.

Therefore, in this conventional bent joint, the end of the eaves gutter 01 is fitted into the eaves gutter support part 06 of the water stop plate 02, and the ears 09, 09 of the eaves gutter 01 are fitted into the ear receivers 010 of the curved gutter 03.
are assembled by fitting them together and placing the receiving gutter 05 of the water stop plate 02 on the partition plate 08.

Expansion and contraction of the eaves gutter 01 due to temperature changes is absorbed by the ends of the eaves gutter 01 and the water stop plate 02 sliding on the inner surface of the curved gutter 03.

Moreover, rainwater flows into the curved gutter 03 from the eaves gutter 01 fitted into the joint part 07 of the curved gutter 03 through the receiving gutter 05, and flows out to the other end side of the curved gutter 03.

(Problems to be Solved by the Invention) However, in such a conventional bending joint, the end of the eaves gutter 01 is fitted into the water stop plate 02,
The ears 09 and 09 of the eaves gutter 01 are fitted into the ear receivers 010 and 010 of the curved gutter 03, and the receiving gutter 05 of the partition plate 08 is placed on the eaves gutter 0 at two locations on the curved gutter 03.
1 and the water stop plate 02, so if the eaves gutter 01 expands or contracts due to temperature changes, the eave gutter 01 will slide against the curved gutter 03 and the water stop plate 02 will move against the curved gutter. 03, the friction generated between the parts is large, and there is a risk that the sliding will not be carried out smoothly and distortion will occur in the eaves gutter 01.

Further, since the curved gutter 03 is provided with the partition plate 08, the flow of water is limited to one direction from the receiving gutter 05 to the curved gutter 03, and there is a problem that the position where the water collector is installed is limited. It was hot.

(Means for Solving the Problems) The present invention has been made for the purpose of solving the above-mentioned problems, and in order to achieve this purpose, the present invention includes a sliding portion at one or both ends. a sliding part that is slidably connected to the sliding part with the water-stopping material for the joint interposed therebetween, and an end of the eaves gutter with the water-stopping material for the gutter interposed therebetween; It is a combination of a gutter joint having a joint portion to be joined, and the joint water stop material and the gutter water stop material are integrally formed.

(Function) Therefore, according to the bent joint of the present invention, expansion and contraction of the eaves gutter caused by temperature changes can be absorbed by the sliding part of the gutter joint sliding against the sliding part of the curved gutter. .

In addition, water-stopping material for joints was interposed between the sliding part of the curved gutter and the sliding part of the gutter joint, and water-stopping material for gutter was interposed at the joint of the gutter joint and the end of the eaves gutter, so that Since they can be connected and joined in close contact, and the water-stopping material for the joint and the water-stopping material for the gutter are integrally formed, it is possible to slide between the curved gutter and the gutter joint as the eaves gutter expands and contracts. Even if this occurs repeatedly, the water stop material for the joint and the water stop material for the gutter are prevented from slipping from each other with respect to the gutter joint, and the separation of the water stop material due to slippage or peeling is prevented.

(Example) Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

First, the configuration of the embodiment shown in FIGS. 1 to 5 will be explained.

Reference numeral 1 denotes a bent joint, which is constructed by combining a curved gutter 3 having sliding parts 2, 2 at both ends, and gutter joints 6, 6 having a sliding part 4 and a joint part 5, and By joining the ends of the eaves troughs 7 to the joint portion 5, the eaves troughs 7, 7 are connected at the corners of the eaves, etc.

The sliding portion 2 of the curved gutter 3 has stoppers 8, 8 provided at two locations approximately in the center of the bottom inner surface, and sliding ear receivers 9, 9 extending from the upper ends of both sides.

The gutter joint 6 has a left half portion that serves as a sliding portion 4 and a right half portion that serves as a joint portion 5 due to step portions 10 and 11 provided on the inner and outer circumferential surfaces.

The sliding part 4 has a joint water stop material 1 approximately in the center of the outer peripheral surface.
2 is provided, and a protrusion 13 is provided continuously on the right side surface of the water stop material 12 for a joint, and sliding ears 14, 14 are further provided at the upper ends of both sides on the side of the joint 6 from the water stop material 12 for a joint. The joint part 5 has a gutter water stop material 16 integrally formed with the joint water stop material 12 via a connection part 15 near the end of the inner circumferential surface, and a gutter water stop material 16 is provided at the upper end of both sides. Gutter ear receiver 17,1
7 has been extended.

Further, an inlet 18 is provided approximately at the center of the stepped portion 11 and the protrusion 13 of the gutter joint 6, and the inlet 18 is connected to the approximately central portion of the outer peripheral surface of the sliding portion 4 and the joint portion 5.
A groove 19 is formed that continues near the end of the inner circumferential surface of the connecting portion 15, the water-stopping material 12 for the joint, and the water-stopping material 16 for the gutter.
The grooves 19 and the outer circumferential surface of the sliding portion 4 are formed approximately at the center thereof, and the joint portion 5 is formed near the inner circumferential end thereof by injection filling.

In addition, three protrusions 20, 20, 20 are provided in parallel on the upper surfaces of the water stop material 12 for joints and the water stop material 16 for gutter, and the curved gutter 3 and the gutter joint 6, and the gutter joint 6 and the eaves gutter 7. This increases the closeness with the

In addition, the outer circumferential cross-sectional shape of the water-stopping material 12 for joints is almost the same as the inner circumferential cross-sectional shape of the sliding part 2 of the curved gutter 3, and the inner circumferential cross-sectional shape of the water-stopping material 16 for gutter is the same as the outer circumference of the eaves gutter 7. The cross-sectional shape is almost the same.

Further, the curved gutter 3 and the gutter joint 6 are made of synthetic resin.

Next, the operation of the embodiment will be explained.

(a) During assembly When assembling bending joint 1, gutter joint 6
The sliding ears 14, 14 are fitted into the sliding ear receivers 9, 9 of the curved gutter 3, and the gutter joint 6 and the curved gutter 3 are slidably connected.

At this time, the inner circumferential surface of the sliding portion 2 of the curved gutter 3 and the outer circumferential surface of the sliding portion 4 of the gutter joint 6 are tightly joined via the water-stopping material 12 for the joint. The stoppers 8, 8 are arranged between the stepped portion 11 and the protrusion 13 of the sliding portion 4.

In addition, the bending joint 1 assembled as described above
In this case, the ends of the eaves gutter 7 are fitted by fitting the ears 21, 21 provided on both ends of the eaves gutter 7 into the gutter ear receivers 17, 17 provided on the joint 5 of the gutter joint 6. parts are joined.

At this time, the inner circumferential surface of the joint portion 5 and the outer circumferential surface of the eaves gutter 7 are joined in close contact with each other via the water stop material 16 for gutter.

(B) During use When the eaves gutters 7, 7 expand or contract due to changes in temperature, etc., the area between the curved gutters 3 and the gutter joints 6 within the range where the stopper 8 moves between the stepped portion 11 and the protrusion 13. Sliding occurs, and the expansion and contraction of the eaves gutters 7, 7 can be absorbed.

In addition, by locking the stopper 8 to the protrusion 13, it is possible to prevent the sliding portion 4 of the gutter joint 6 from falling off the sliding portion 2 of the curved line 3.

In addition, in the gutter joint, the water stop material 12 for the joint and the water stop material 16 for the gutter are provided on the inner peripheral surface of the sliding part 4 and the outer peripheral surface of the joint part 5, respectively, and are integrally formed. 12 and the water stop material 16 for the gutter are arranged via the gutter joint 6, and even if sliding repeatedly occurs between the curved gutter 3 and the gutter joint 6 due to the expansion and contraction of the eaves gutters 7, 7, the water stop material for the joint will be maintained. The material 12 and the gutter water stop material 16 can be prevented from slipping from each other and from the gutter joint 6, and can also be prevented from coming off due to slipping or peeling.

Although the embodiments of the present invention have been described above in detail with reference to the drawings, the specific configuration is not limited to these embodiments, and the present invention may be modified without departing from the gist of the present invention. included.

For example, in the embodiment, the sliding portions are provided at both ends of the curved gutter, but the sliding portion may be provided at one end of the curved gutter.

Further, the water stop material for the joint may be provided on the inner circumferential surface of the curved gutter.

Further, in the drawings, the cross-sectional shape of the bending joint is shown as a square gutter, but when connecting a round gutter, the cross-sectional shape may be formed in the shape of a round gutter.

(Effects of the Invention) As described above, according to the bending joint of the present invention, since the sliding part of the eave gutter joint is slidably connected to the sliding part of the curved gutter, the sliding part of the eave gutter joint is connected to the joint part of the gutter joint. Expansion and contraction of the eaves gutter due to temperature changes is absorbed by the sliding part of the gutter joint sliding against the sliding part of the curved gutter. Therefore, compared to the conventional structure, the friction generated between the parts is small, sliding occurs smoothly, and the eaves gutters can be reliably protected from distortion.

In addition, since there are no obstacles to the flow of water in curved gutters and gutter joints, the flow of water is not limited to either of the two directions, and the installation location of the water collector can be adjusted to suit the construction situation or appearance. You can decide.

In addition, water-stopping material for joints was interposed between the sliding part of the curved gutter and the sliding part of the gutter joint, and water-stopping material for the gutter was interposed at the joint of the gutter joint and the end of the eaves gutter. They are tightly connected and joined to prevent dirt from entering and water leakage.

In addition to the above-mentioned effects, a joint water stop material 12 is provided on the outer peripheral surface of the sliding part 4 of the gutter joint 6, and is integrally formed with the joint water stop material 12 on the inner peripheral surface of the joint part 5. Since the water-stop material 16 for the gutter is provided, the water-stop material 16 for the joint and the water-stop material 12 for the gutter are arranged via the gutter joint 6, and due to the expansion and contraction of the eaves gutter 7,
Even if sliding occurs repeatedly between the pipe and the curved gutter 3, the water-stopping material 12 for the joint and the water-stopping material 16 for the gutter can suppress displacement from each other and the gutter joint 6, and prevent separation due to displacement or peeling. .

In addition, since the water stop material 12 for the joint is provided approximately at the center of the outer circumferential surface of the sliding part 4, the water stop material 12 for the joint is Even if a misalignment occurs between the water stop material 12 and the sliding portion 4, the misalignment can be absorbed to some extent.

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view showing a bending joint according to an embodiment of the present invention, Fig. 2 is a perspective view showing a gutter joint of an embodiment bending joint, and Fig. 3 is a perspective view showing a state in which eaves gutters are connected by the bending joint according to the embodiment. 4 and 5 are cross-sectional views showing the sliding state of the bending joint according to the embodiment, FIG. 6 is a plan view showing the conventional bending joint, and FIG. 7 is a cross-sectional view showing the conventional bending joint. . 1...Bent joint, 2...Sliding part, 3...Curved gutter, 4...Sliding part, 5...Joint part, 6...Gutter joint, 7...Eave gutter, 12
...Water stop material for joints, 16...Water stop material for gutters.

Claims (1)

[Claims] 1 A curved gutter having a sliding part at one end or both ends,
A sliding part that is slidably connected to the sliding part with a water-stopping material for the joint interposed therebetween, and a joint part where the end of the eaves gutter is joined with a water-stopping material for the gutter interposed therebetween. and,
What is claimed is: 1. A curved joint which is used in combination with a gutter joint having a gutter joint, wherein the water stop material for the joint and the water stop material for the gutter are integrally formed.