JPH0226023B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a gutter joint for connecting eaves gutters and the like.

(Prior Art) As a conventional gutter joint having a function of absorbing expansion and contraction of the gutter, for example, the one described in Japanese Utility Model Publication No. 55-5612 is known (No. 10).
(Fig. and Fig. 11) This conventional gutter joint has a first
A first joint part 04 that integrally includes a joint part 01 and a first sliding part 03 provided on the other end side and having a water stop material 02 provided around the inner peripheral surface end; a second sliding portion 07 provided on the other end side and having a protrusion 06 circumferentially provided at the end of the outer peripheral surface;
This was due to the combination of the second joint part 08 which integrally has the.

Therefore, when the first sliding part 03 and the second sliding part 07 are connected, the outer circumferential surface of the second sliding part 07 connects to the inner circumferential surface of the first sliding part 03 via the water stop material 02. The protrusion 06 is slidably joined to the inner peripheral surface of the first sliding portion 03 .

Note that the ends of eaves gutters 09 and 010 are joined to the first joint 01 and the second joint 05, respectively.

(Problems to be Solved by the Invention) However, in such a conventional gutter joint, since the water stop material 02 is provided around the end of the inner peripheral surface of the first sliding part 03, the temperature Eave line 0 due to changes etc.
When the first sliding part 03 and the second sliding part 07 repeatedly slide due to the expansion and contraction of 9,010, the water stop material 02 may peel or shift and easily separate from the first sliding part 03. Ta.

(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 first sliding portion and an inner a first gutter joint having a first joint portion provided with a gutter water stop material on the peripheral surface; a joint water stop material is provided on the outer peripheral surface; A second sliding part that is slidably connected to the first sliding part while facing the inner circumferential surface of the second sliding part.
This is a combination of a second gutter joint having a sliding part and a second joint part provided with a gutter water stop material integrally formed with the joint water stop material on its inner peripheral surface.

(Function) Therefore, in the gutter joint of the present invention, the water-stop material for the gutter of the joint water-stop material of the second gutter joint is arranged through the second gutter joint, and the gutter is Even if sliding repeatedly occurs between the first gutter joint and the second gutter joint due to expansion and contraction, the water-stopping material for the joint and the water-stopping material for the gutter prevent each other from slipping from the second gutter joint. At the same time, separation due to misalignment or peeling can be prevented.

Moreover, the inner circumferential surface of the first sliding part and the outer circumferential surface of the second sliding part can be closely joined via the joint water stop material.

In addition, when joining the gutter to the first joint and the second joint, the inner peripheral surfaces of the first joint and the second joint and the outer peripheral surface of the gutter must be in close contact with each other via the water stop material for the gutter. Can be joined.

(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 9 will be explained.

Reference numeral 1 designates gutter joints, including a first gutter joint 4 having a first sliding part 2 and a first joint part 3, and a second gutter joint 7 having a second sliding part 5 and a second joint part 6. The eaves gutters 8, 8 are connected by joining the ends of the eaves gutters 8, 8 to the first joint 3 and the second joint 6, respectively.

The first gutter joint 4 has a right half formed as a first sliding portion 2 and a left half formed as a first joint portion 3 by a protrusion 9 extending circumferentially from the inner circumferential surface. ing.

The first sliding part 2 is provided with stoppers 10, 10 at two locations approximately in the center of the bottom inner surface, and the stoppers 10, 10 define sliding ear receivers 11, 11 at the upper ends of both sides on the first joint part 6 side. It has been extended and the first
The joint part 3 is provided with a gutter water stop material 12 near the end of the inner circumferential surface, and the sliding ear receivers 1 are provided at the upper ends of both sides.
Gutter ear receivers 13, 13 extend continuously from 1, 11.

The second gutter joint 7 has a left half that serves as a second sliding portion 5 and a right half that serves as a second joint 6 due to step portions 14 and 15 provided on the inner and outer circumferential surfaces. ing.

The second sliding portion 5 is provided with a water stop material 16 for a joint at approximately the center of the outer peripheral surface, and the water stop material 16 for a joint
A protrusion 17 is provided continuously on the right side surface of the joint, and sliding ears 18, 18 are extended from both ends of the joint water stop material 16 on the second joint part 6 side. The joint part 6 is provided with a gutter water stop material 20 integrally formed with the joint water stop material 16 via a connection part 19 near the end of the inner circumferential surface, and gutter ear receivers 21 at the upper ends of both sides. 21 has been extended.

Further, an inlet 22 is provided approximately at the center of the stepped portion 15 and the protrusion 17 of the second gutter joint 7, and from the inlet 22 to the left and right, approximately the center of the outer peripheral surface of the second sliding portion 5 and the second Groove 2 that continues near the end of the inner peripheral surface of the joint 6
3 is formed, and the connecting part 19, the water-stopping material 16 for the joint, and the water-stopping material 20 for the gutter are made of soft material, and are poured into the outer peripheral surface of the groove 23 and the second sliding part 5 from the injection port 22 during molding. It is formed approximately at the center and near the end of the inner peripheral surface of the second joint portion 6 by injection filling.

In addition, water stop material 12, 20 for gutter and water stop material 1 for joint
Three protrusions 24, 24, 24 are provided in parallel on the upper surface of the gutter 6 to improve the adhesion between the first gutter joint 4 and the second gutter joint 7 and between the gutter joint 1 and the eaves gutter 8.

Further, the first joint portion 3 and the second joint portion 6 are of the same shape and size, and the inner peripheral cross-sectional shape of the gutter water stop material 12, 20 is approximately the same as the outer peripheral cross-sectional shape of the eaves gutter 8,
The outer peripheral cross-sectional shape of the water stop material 16 for a joint is the first sliding part 2
The cross-sectional shape of the inner circumference is almost the same as that of .

Further, the first gutter joint 4 and the second gutter joint 7 are made of synthetic resin.

Next, the operation of the embodiment will be explained.

(a) When assembling When assembling the gutter joint 1, fit the sliding ear part 18 of the second sliding part 5 into the sliding ear receiving part 11 of the first sliding part 2, and then attach the first gutter joint 4. and the second gutter joint 7 are slidably connected.

At this time, the inner circumferential surface of the first sliding section 2 and the outer circumferential surface of the second sliding section 5 are joined in close contact via the joint water stop material 16, and the The stopper 10 is arranged between the stepped portion 15 and the protrusion 17 of the second sliding portion 5.

In addition, in the gutter joint 1 assembled as described above, eaves gutters 8 and 8 are attached to the gutter ear receiving portion 13 of the first joint portion 3 and the gutter ear receiving portion 21 of the second joint portion 6, respectively.
The ends of the eaves gutters 8, 8 are joined by fitting the ears 25 provided on both ends of the eaves gutters 8, 8.

At this time, the inner peripheral surfaces of the first joint part 3 and the second joint part 6 and the outer peripheral surfaces of the eaves gutters 8, 8 are
2 and 20, and are joined in close contact.

(b) During use When the eaves gutters 8, 8 expand or contract due to changes in temperature, etc., the first gutter joint 4 and the second
Sliding occurs between the gutter joint 7 and expansion and contraction of the eaves gutters 8, 8 can be absorbed.

Note that by locking the stopper 10 to the protrusion 17, the second sliding portion 5 can be prevented from falling off the first sliding portion 2.

In addition, in the second gutter joint 7, the joint water stop material 16 and the gutter water stop material 20 are provided on the inner peripheral surface of the second sliding part 5 and the outer peripheral surface of the second joint part 6, respectively, and are integrally formed. Therefore, the joint water stop material 16 and the gutter water stop material 20 are arranged via the second gutter joint 7, and due to the expansion and contraction of the eaves gutters 8, the first gutter joint 4
Even if sliding occurs repeatedly between the joint water stop material 16 and the second gutter joint 7, the joint water stop material 16 and the gutter water stop material 20 are prevented from shifting from each other and the second gutter joint 7, and are prevented from slipping or peeling. It is possible to prevent withdrawal.

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

(Effects of the Invention) As described above, according to the gutter joint of the present invention, the water stop material for the joint is provided on the outer peripheral surface of the second sliding part, and
Since the water stop material for the gutter integrally formed with the water stop material for the joint is provided on the inner circumferential surface of the second joint, the water stop material for the joint and the water stop material for the gutter are connected through the second gutter joint. Even if sliding occurs repeatedly between the second gutter joint and the second gutter joint due to expansion and contraction of the gutter due to changes in temperature, etc., the water-stopping material for the joint and the water-stopping material for the gutter will not touch each other. The effect of suppressing the displacement of the two-gutter joint and preventing separation due to displacement or peeling can be achieved.

Further, the inner circumferential surface of the first sliding part and the outer circumferential surface of the second sliding part are closely joined via the joint water-stop material, and the inner circumferential surfaces of the first joint part and the second joint part Since the outer circumferential surfaces of the gutter and the gutter are tightly joined via the gutter water stop material, it is possible to prevent rubber from entering from the joint and water leakage.

Furthermore, in the embodiment, in addition to the above-mentioned effects, since the joint water stop material 16 was provided approximately in the center of the outer peripheral surface of the second sliding part 5, the first sliding part 2 and the second sliding part 5 Water stop material 16 for joints generated by sliding with moving part 5
It is possible to absorb the misalignment between the second sliding portion 5 and the second sliding portion 5 to some extent.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a gutter joint according to an embodiment of the present invention;
Figure 2 is a side view showing the example gutter joint, Figures 3 and 4 are perspective views showing the first gutter joint of the example gutter joint, and Figures 5 and 6 are the second gutter joint of the example. FIG. 7 is a perspective view showing the connection state of the eaves gutter by the example gutter joint; FIGS. 8 and 9 are cross-sectional views showing the sliding state of the example gutter joint; FIG. 10 11 is a sectional view showing a conventional gutter joint, and FIG. 11 is a perspective view showing the conventional gutter joint. 1... Gutter joint, 2... First sliding part, 3... First
Joint part, 4... first gutter joint, 5... second sliding part,
6...Second joint part, 7...Second gutter joint, 12...
Water stop material for gutters, 16... Water stop material for joints, 20... Water stop material for gutters.

Claims (1)

[Claims] 1 A first gutter joint having a first sliding part, a first joint part in which a water stop material for a gutter is provided on the inner peripheral surface, and a water stop material for a joint in the outer peripheral surface, With the water stop material facing the inner circumferential surface of the first sliding part,
It has a second sliding part that is slidably connected to the sliding part, and a second joint part that is provided with a water-stopping material for a gutter that is integrally formed with the water-stopping material for the joint on its inner peripheral surface. A gutter joint characterized by being combined with a second gutter joint.