JPH0559797A - Rain leader connector and rain leader joint - Google Patents

Abstract

PURPOSE:To display sufficiently a waterproof function and to absorb the expansion deformation of a rain leader. CONSTITUTION:Rain leaders 1 are fitted and connected to a rain leader joint 2 in a slidable manner, and water-swelling sealants 3 are laid between both of them, In the case of raining, the water swelling sealants 3 absorb rain water and are swelled to surely shut tight a space between the rain leaders 1 and the rain leader joint 2. Accordingly, a waterproof function is displayed, and in the case of a fine day, the water swelling sealants 3 are dried to keep them in a reduction state, the rain leaders 1 and the rain leader joint 2 are mutually slidable, so that the expansion deformation of the rain leaders 1 can be absorbed satisfactorily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rain gutter connection device and a rain gutter joint in which a rain gutter and a rain gutter joint are slidably fitted and connected.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
It is common practice to fit both eaves gutters (a) by fitting eaves gutter joints (b) on the outside between the ends of the eaves. In this case, the soft waterproof seal material (c) is provided on the inner surface of the eaves trough joint (b), and the soft waterproof seal material (c) is closely adhered to the outer surface of the eaves trough (a). This prevents rainwater from leaking from the connecting portion. Also, in this case,
The adhesive is connected without being used, and the eaves gutter (a) and the eaves gutter joint (b) slide on each other via the soft waterproof seal material (c), so that they are made of synthetic resin. A certain eaves gutter
The expansion and contraction deformation due to the heat of is absorbed. Further, when the eaves gutter joint (b) is fitted on the outer side of the eaves gutter (a), the ears (d) formed on both upper edge portions of the eaves gutter (a).
The ear holding portions (e) formed at both upper end edge portions of the eaves gutter joint (b) are engaged with each other.

[0003]

However, in the above-mentioned conventional technique, the soft waterproof seal material (ha) is arranged so that the eaves gutter (a) and the eaves gutter joint (b) can easily slide on each other. )
When the adhesion of the eaves gutter (a) to the outer surface is weakened, the expansion and contraction deformation of the eaves gutter (a) due to heat is easily absorbed, but the waterproof function deteriorates, and conversely, the soft waterproof sheet When the adhesion of the lumber (c) to the eaves gutter (a) outer surface is strengthened, the waterproof function is secured, but the eaves gutter (a) and the eaves gutter joint (b) slide against each other. As a result, it becomes difficult to absorb the expansion and contraction deformation due to the heat of the eaves gutter (a).

The present invention has been invented in order to solve the above-mentioned problems in the prior art. That is, the problem is that the waterproof function is sufficiently exerted in the case of rainfall, and the expansion and contraction deformation of the rain gutter in fine weather. (EN) Provided is a gutter connecting device which is easily absorbed and a gutter joint which is most suitable for use in the gutter connecting device.

[0005]

According to a first aspect of the present invention, a rain gutter and a rain gutter joint are slidably fitted and connected, and a water-swellable seal material is interposed therebetween. A rain gutter connecting device, and the invention according to claim 2) is characterized in that a rain gutter joint main body is formed with a connecting portion to which a rain gutter is slidably fitted and connected, and the water swelling seal is attached to the connecting portion. A rain gutter joint provided with a material, and the above problem is solved by this configuration.

[0006]

In the rain gutter connection device according to the first aspect, the rain gutter and the rain gutter joint are slidably fitted and connected, and the water-swellable seal material is interposed between the rain gutter and the rain gutter joint. Sometimes
The water-swellable seal material absorbs rainwater and swells to surely seal the gap between the rain gutter and the rain gutter joint, so that the waterproof function is sufficiently exerted, and in fine weather, the water swellable seal The material is dry and in a contracted state, and the rain gutter and the rain gutter joint easily slide with each other, so that the expansion and contraction deformation due to the heat of the rain gutter is well absorbed.

In the rain gutter joint according to a second aspect of the present invention, the rain gutter joint main body is provided with a connection portion to which the rain gutter is slidably fitted and connected, and the water swellable seal material is formed in the connection portion. Since the gutter joint is provided, when the gutter is slidably fitted and connected to the connection part of the gutter joint, the same effect as in the gutter connecting device according to claim 1) is exerted. is there.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The rain gutter connecting device and the rain gutter joint shown in FIGS. 1, 2 and 3 are one embodiment of the present invention, in which the rain gutter 1 and the rain gutter joint 2 are slidably fitted and connected. A water-swellable sheath between the two
It is a rain gutter connecting device in which a lumber 3 is interposed, and a rain gutter joint body 4 is provided with a connecting part 5 to which the rain gutter 1 is slidably fitted and connected, and the connecting part 5 is water-swellable. It is a rain gutter joint 2 provided with a seal material 3.

The rain gutter 1 is a square gutter-shaped eaves gutter integrally formed by extrusion with a synthetic resin, and hollow ears 6 are formed on both upper edge portions of the rain gutter 1. ..

The rain gutter joint 2 is an eaves gutter joint integrally formed by injection molding with synthetic resin, and both upper end edge portions of the rain gutter joint 2 are engaged with the ears 6 of the rain gutter 1, respectively. Ear holder 7
Are formed. Further, on both sides of the rain gutter joint 2, there are provided connecting portions 5 which are fitted to the outside of the end portions of the rain gutter 1, respectively, and the connecting portions 5 on both sides have two recessed grooves 8 respectively. The water-swellable seal material 3 is housed and bonded in each of the recessed grooves 8. The water-swellable seal material 3
When the rainwater is absorbed and swells, it protrudes from the groove 8 and firmly adheres to the outer surface of the end of the rain gutter 1. or,
As the water-swellable seal material 3, a solid band-shaped water-swellable seal material (trade name "Aquaprene DX": manufactured by Sanyo Kasei Co., Ltd.) is used.

Therefore, in the rain gutter connecting device using the gutter joint 2 of the embodiment, at the time of rain, the water-swellable seal material 3 absorbs rain water and swells and protrudes from the concave groove 8 to form a gutter. Since it firmly adheres to the outer surface of the end portion of 1 to securely seal the gap between the rain gutter 1 and the rain gutter joint, the waterproof function is sufficiently exerted. Further, in fine weather, the water-swellable seal material 3 is dried and stored in the recessed groove 8 in a reduced state, and the water-swellable seal material 3 does not interfere with the rain gutter 1 and the rain gutter 1. Since the connecting portion 5 of the gutter joint 2 easily slides with each other, the expansion and contraction deformation of the rain gutter 1 due to the heat is favorably absorbed.

The rain gutter joint of the present invention is shown in FIG.
The embodiment shown in FIG. That is, in the gutter joint 2 of the embodiment, connecting portions 5 are formed on both sides of a rain gutter joint body 4 formed by cutting a synthetic resin integrally extruded into a short length. The connection part 5 is an eaves gutter joint to which a rain gutter 1 which is a semi-circular gutter-shaped eaves gutter is fitted and connected. Further, one line of water-swellable seal material 3 is provided on the inner peripheral surfaces of the connecting portions 5 on both sides of the rain gutter joint 2, respectively.
The water-swellable seal material 3 is provided by coating on the inner peripheral surface of the connecting portion 5. Therefore, the water-swellable seal material 3
As the material, a water-swellable seal material which is applied and solidified in a liquid state (trade name "Chemguard U": manufactured by Sanyo Chemical Industry Co., Ltd.) is used.

Further, the rain gutter connecting device and the rain gutter joint of the present invention may be as in the embodiment shown in FIGS. 5 and 6. That is, in the gutter connecting device and gutter joint 2 of the embodiment, the gutter 1 to be connected is a vertical gutter having a circular cross section integrally formed by extrusion of synthetic resin, and the gutter joint 2 is the same. It is a downspout joint that is integrally injection-molded with a synthetic resin that connects the rain gutter 1. Further, the rain gutter joint 2 has a cylindrical shape, and an upper rain gutter 1 which is a trough is inserted and fitted into a connection part 5a on the water side thereof, and a connection part 5b on the water side thereof is a lower part which is a gutter. The upper and lower gutters 1 are slidably fitted and connected to the upper end of the gutter 1.

[0014]

As described above, in the rain gutter connection device and the rain gutter of the present invention, at the time of rainfall, the water-swellable seal material absorbs the rain water and expands so much that the gap between the rain gutter and the gutter joint is increased. Since it seals securely, the waterproof function is sufficiently exerted, and in fine weather, the water-swellable seal material is in a dried and contracted state, and the rain gutter and the rain gutter joint easily slide on each other, The elastic deformation due to the heat of the rain gutter is well absorbed.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a rain gutter connection device according to an embodiment of the present invention.

FIG. 2 is a perspective view of the rain gutter connection device.

FIG. 3 is a perspective view showing a rain gutter joint used in the rain gutter connection device.

FIG. 4 is a perspective view showing a rain gutter joint which is another embodiment.

FIG. 5 is a cross-sectional view showing a rain gutter connection device according to still another embodiment.

FIG. 6 is a perspective view showing a rain gutter joint used in the rain gutter connecting device.

FIG. 7 is a perspective view showing a conventional example of the present invention.

[Explanation of symbols]

 1 Rain gutter 2 Rain gutter joint 3 Water swellable seal material 4 Rain gutter joint body 5 Connection part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshimitsu Kurasaki 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Ikuo Takamatsu, 1048, Kadoma, Kadoma City, Osaka Matsushita Electric Works Co., Ltd.

Claims (2)

[Claims] 1. A rain gutter connecting device in which a rain gutter and a rain gutter joint are slidably fitted and connected, and a water-swellable seal material is interposed therebetween. 2. A rain gutter joint main body is provided with a connecting portion to which the rain gutter is slidably fitted and connected, and the water swelling seam is formed in the connecting portion.
Rain gutter joint with lu material.