JP2002167917A - Connection structure for eaves gutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide connection structure for eaves gutters preventing the occurrence of water leakage from the butt end of the eaves gutters. SOLUTION: The eaves gutters 1 are disposed in the mutually abutting state of the longitudinal ends, and a gutter joint 2 is mounted along the inner surfaces of the eaves gutters 1 across the abutting eaves gutters 1. The gutter joint is composed of an outer frame joint 4 formed being bent in channel shape with the center part cut out in band shape to form an opening, and an inner joint 3 of plate shape fitted into the opening of the outer frame joint. A corner part formed bent at least with one side wall and a bottom wall of the inner joint 3 is formed of an engaging piece 35 projecting on both sides, and the peripheral edge of the opening of the outer frame joint 4 is formed with a cutout part 47 into which the engaging piece 35 of the inner joint 3 is fitted, at the corner part formed bent with one side wall and the bottom wall. The outer frame joint 4 is placed along the inner surfaces of the eaves gutters 1 and in the state of an adhesive 5 being applied to the outer surface of the inner joint 3, the inner joint 3 is fitted into the opening of the outer frame joint 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an eaves gutter connection structure in which a gutter joint is provided inside an eaves gutter.

[0002]

2. Description of the Related Art Conventionally, as a connection structure for a gutter gutter having a gutter joint provided inside an eave gutter, for example, Japanese Patent Laid-Open No. Hei.
Japanese Patent Application Laid-Open No. 1056 and Japanese Patent Application Laid-Open No. 3-28447 are known.

As shown in FIG. 7, this conventional eaves gutter connection structure is a gutter joint b composed of a thin plate-like member whose outer surface shape is substantially identical to the inner surface shape of the eaves gutter a.
Are attached along the inner surface of the eaves gutter a via an adhesive c.

In this case, in order to connect the eaves gutter a with the gutter joint b, the eaves gutter a straddles the eaves gutter a to which the adhesive c is applied on the outer surface. Hook the locking convex part e of the gutter joint b on the rear ear part d and push it in the direction of the arrow s to fit it in. The front ear f of the eaves gutter a and the gutter joint b
Are fitted and connected along the inner surface of the eaves gutter a.

[0005]

However, in the conventional eaves gutter connection structure, when connecting the gutters attached to the eaves gutter, the gutters are set in a narrow working space between the eaves gutter and the eaves gutter a. Since the joint b is to be mounted, the gutter joint b is inserted into the eaves gutter a while being inclined, and then the gutter joint b is pushed into the eaves gutter a. At this time, gutter joint b
Corner h is rubbed against the inner surface of the eaves gutter a, and the adhesive c near the corner h applied to the outer surface of the gutter joint b is peeled off.

As a result, a gap is formed at a corner portion i between the connected eaves gutter a and the gutter joint b. There is a problem that rainwater leaks from the joint of the gutter a and falls under the eaves.

SUMMARY OF THE INVENTION In view of such circumstances, the present invention relates to an eaves gutter connecting structure in which a gutter joint is provided inside the eaves gutter. It is intended to provide a connection structure.

[0008]

In order to achieve such an object, a connection structure for an eaves gutter according to the present invention is provided in such a manner that eaves gutters are arranged with their longitudinal ends facing each other.
In a gutter gutter connection structure in which a gutter joint is attached so as to straddle between the butted gutter gutters and along the inner surface of the gutter gutter, the gutter joint is formed by bending into a groove shape, and the central portion is formed in a band shape. An outer frame joint cut out to form an opening, and a plate-shaped inner joint shaped to fit into the opening of the outer frame joint, wherein at least one side wall and a bottom wall of the inner joint are bent and formed. An engaging piece is formed at the corner portion to be projected on both sides, and the inner joint is formed at the corner formed by one side wall and the bottom wall of the outer frame joint around the opening of the outer frame joint. A notch portion into which the engagement piece is fitted is formed, and the outer frame joint is formed along the inner surface of the eaves gutter, and an adhesive is applied to the outer surface of the inner joint. It is characterized in that the inner joint is fitted.

[0009]

Next, an embodiment of the present invention will be described with reference to FIGS.

FIG. 1 is a partially cutaway perspective view showing an embodiment of the present invention. This eaves gutter connection structure is such that the eaves gutters 1 are disposed with their longitudinal ends abutting each other, and straddle the eaves gutters 1 butted along the inner surface of the eaves gutter 1. A joint 2 is provided.

The eaves gutter 1 is an extruded product. As shown in FIG. 4, a main body 10 has a front side wall 12 erected from a front side of a flat bottom wall 11 and a rear side of the bottom wall 11. Rear wall 13
Are formed in an upright channel-shaped cross section. The front wall 1
2 is formed slightly inclined outward from the bottom wall 11,
The rear side wall 13 is formed at right angles to the bottom wall 11.

A front ear 14 is provided at an upper end of the front side wall 12.
The front ear 14 has a groove 141 formed on the inner surface side and a locking claw 142 provided on the upper edge. Further, a rear ear 15 is formed at an upper end of the rear side wall 13, and the rear ear 15 is formed with a locking projection 151 protruding inward. The groove 14 of the front ear 14
The locking projections 151 of the rear ear 1 and the rear ear 15 serve as attachment grooves and projections when attaching the eaves gutter 1 to a gutter support (not shown).

As shown in FIG. 2, the gutter joint 2 has a plate-shaped inner joint 4 bent into a groove at the center and an outer frame joint 4 bent into a groove by cutting the inner joint 3 at the center. It is composed of

As shown in FIG. 3, the inner joint 3 has a front side wall 32 erected from the front side of a flat bottom wall 31 and the bottom wall 3
1, a rear side wall 33 is erected from the rear side, and the plate-like body is formed in a bent groove-shaped cross section, and both sides of a corner 34 bent at the front side and the rear side of the inner joint 3. Locking piece 35
Are provided even if they protrude. The outer shape of the inner joint 3 is formed in a shape that matches the inner shape of the eaves gutter 1.

The outer frame joint 4 is an injection molded product,
However, it is formed in a groove-shaped cross section in which a front side wall 42 is erected from the front side of the flat bottom wall 41 and a rear side wall 43 is erected from the rear side of the bottom wall 41. The outer shape of the outer frame joint 4 is formed in a shape corresponding to the inner shape of the eaves gutter 1, and a band-shaped opening 44 is formed in a central portion so as to fit the inner joint 3. The opening 44
A notch 47 into which the locking piece 35 of the inner joint 3 is fitted is formed at each of the front and rear corners 45 and 46 of the bottom wall 41. The front wall 4
2 is formed slightly inclined outward from the bottom wall 41,
The rear side wall 43 is formed at a right angle to the bottom wall 41, and the front side wall 42 is provided at the upper end thereof with a locking ear 49 having a locking groove 48 formed therein.

In order to connect the eaves gutter 1 with such a gutter joint 2, first, as shown in FIG.
Of the eaves gutter 1 is hooked on the base of the ear 15 of the eaves gutter 1 and pushed into the inside of the eaves gutter 1 so as to be fitted into the eaves gutter 1. The ear 49 is engaged with the locking groove 48.

Next, as shown in FIG. 5, an adhesive 5 is applied to the outer surface of the inner joint 3 so that the upper end of the rear wall 33 of the inner joint 3 is formed on the rear wall 43 of the outer frame joint 4. Opening 44
Is hooked on the upper peripheral edge 44a of the first member and pushed into the opening 44 so as to be fitted. At this time, the locking piece 35 provided at the corner 34 on the rear side of the inner joint 3 slides on the inner surface of the bottom wall 41 of the outer frame joint 4 and fits into the notch 47. Therefore, the adhesive in the vicinity of the corner portion 34 is not scraped off and peeled off. That is, in a state in which the locking pieces 35 are fitted while sliding on the inner surface of the bottom wall 41 of the outer frame joint 4, as shown in FIG.
1 and the bottom wall 31 of the inner joint 3 to which the adhesive 5 has been applied, a gap corresponding to the thickness t of the bottom wall 41 of the outer frame joint 4 is provided. The adhesive 5 applied to the portion 34 can pass through this gap.

As a result, when the inner joint 3 is mounted on the eaves gutter 1, the adhesive 5 is not scraped off, and a sufficient amount of the adhesive 5 allows good adhesion to be achieved, and the eaves with high watertightness can be obtained. Gutter connections can be made.

Although the embodiment of the present invention has been described with reference to the drawings, the specific configuration is not limited to this embodiment, and even if there is a design change or the like within a range not departing from the gist of the present invention. Included in the invention. For example, the connection structure of the eaves gutter of the present invention may be used together with an outer joint along the outer peripheral surface of the eaves gutter 1.

[0020]

As described above, in the eaves gutter connection structure of the present invention, the gutter joint is formed by bending into a groove shape.
A central portion is formed of an outer frame joint cut out in a band shape to form an opening, and a plate-shaped inner joint shaped to fit into the opening of the outer frame joint, and at least one side wall and a bottom of the inner joint are formed. An engagement piece is formed at a corner portion bent by a wall so as to protrude from both sides, and an engagement piece of the inner joint is fitted into a corner portion bent by one side wall and a bottom wall of the outer frame joint. A cut-out portion that fits in is formed, and the outer joint is fitted along the inner surface of the eave gutter, and the inner joint is fitted into the opening of the outer joint in a state where an adhesive is applied to the outer surface of the inner joint. So, when installing the inner joint inside the eaves gutter,
Adhesive is not scraped off, and a sufficient amount of adhesive is used for good adhesion and highly watertight eaves gutter connection, preventing water leakage from the eaves gutter butt can do.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing an embodiment of a connection structure for an eaves gutter according to the present invention.

FIG. 2 is a perspective view of a gutter joint used in the eaves gutter connection structure of the present invention.

FIG. 3 is an exploded perspective view of the gutter joint.

FIG. 4 is a side view illustrating a state in which an outer frame joint of a gutter joint is mounted in the eaves gutter connection structure of the present invention.

FIG. 5 is a side view illustrating a state in which an inner joint is mounted after the outer frame joint of the gutter joint is mounted on the eave gutter in the gutter gutter connection structure of the present invention.

FIG. 6 is a front sectional view illustrating a state in which the inner joint is fitted into the opening of the outer frame joint in the eaves gutter connection structure of the present invention.

FIG. 7 is a side view illustrating a state in which a gutter joint is attached to an eaves gutter in a conventional eaves gutter connection structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Eave gutter 2 Gutter joint 3 Inner joint 34 Corner part 35 Locking piece 4 Outer frame joint 44 Opening part 46 Corner part 47 Notch part 5 Adhesive

Claims (1)

[Claims] An eaves having eaves gutters arranged with their longitudinal ends abutting against each other, and having a gutter joint attached along the inner surface of the eaves gutter so as to straddle between the butted eaves gutters. In the gutter connection structure, the gutter joint is formed by bending into a groove shape, and a central portion is cut out in a band shape to form an opening, and a plate having a shape fitted into the opening of the outer frame joint. An engagement piece is formed to project from both sides at a corner formed by bending at least one side wall and a bottom wall of the inner joint. A notch portion into which the engagement piece of the inner joint fits is formed at a corner formed by bending the one side wall and the bottom wall, so that the outer frame joint is along the inner surface of the eaves gutter, and The inner joint is fitted into the opening of the outer frame joint with the adhesive applied to the outer surface of the joint. An eaves gutter connection structure characterized by being rare.