JPH01315546A - Trough - Google Patents

Abstract

PURPOSE:To make excellent mounting strength maintainable against a trough hanger by forming a lug part at a side wall upper end into a double wall consisting of an inner wall, forming a groove on its inner circumferential surface, and an outer wall being installed at the outside of the inner wall via a hollow part. CONSTITUTION:A lug part 4 is formed at an upper end of a side wall 2, and a groove 41 being opened to the inside of a trough A is formed in this lug part 4. In addition, there is extendedly provided with an engaged piece 46 which is engageable with a support piece 12 of a trough hanger B supporting the trough A to the lower part from an inner edge on top of the groove 41 in a state of being internally hung down. Then, the lug part 4 is formed into a double wall consisting of an inner wall 42, forming the groove 41 on its inner circumferential surface, and an outer wall 45 being installed at the outside of this inner wall 42 via hollow parts 43, 44. Moreover, the inner circumferential surface of the inner wall 42 is formed into a curved surface of almost C-form in its longitudinal section.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a gutter that is attached to the eaves of a building using a gutter hanger.

(Prior Art) Conventionally, among the gutter hanging tools that support the gutter in an internally suspended state, the No. 8 gutter hanger has the simplest support structure for supporting the ears of the gutter.
As shown in the figure, a gutter hanger 02 is known in which a support piece O1 is raised at the end.

The gutter supported by the gutter hanger 02 having such a simple structure generally has an ear portion 03 having a shape as shown in FIG.

The ear part 03 of this gutter is formed in a U-shape in vertical cross section and opens inside the gutter, and a locking piece 05 extends downward from the inner edge of the upper surface of the ear part 04 formed on the inner surface thereof. was. Therefore, the locking piece 05 was attached to the gutter hanger 02 by engaging with the support piece 01 of the gutter hanger 02.

<Problems to be Solved by the Invention> However, in such conventional gutters, the ear part is 0.
3 is formed in a U-shape in vertical section, and the upper surface of 4 is flat, so in actual use, the gutter does not lock as shown by the dashed line in Figure 8. Piece 04
In many cases, the engagement state between the support piece O1 of the gutter hanger 02 is not obtained, and there is a risk that the ear portion 03 may come off due to the action of a sudden external force.

The present invention focuses on such problems and provides a gutter that can always maintain high attachment strength to a gutter hanger.

(Means for Solving the Problems) In order to solve the above problems and achieve the above objects, the gutter of the present invention is supported in an internally suspended state by a gutter hanger having a support piece raised at the end. The gutter has an ear formed at the upper end of the side wall, a groove opening into the inside of the gutter is formed in the ear, and a support piece of the gutter hanger extends downward from the inner edge of the upper surface of the groove. In a gutter in which an engageable locking piece extends, the ear portion is formed on an inner wall forming a groove on the inner circumferential surface and an outer wall provided outside the inner wall via a hollow portion. It is formed of a double wall, and the inner circumferential surface of the inner wall is formed into a curved surface having a substantially C-shaped longitudinal section.

(Function) When suspending the gutter from the gutter hanger, insert the supporting piece of the gutter hanger into the groove of the ear, and engage the locking piece and the supporting piece.

In the gutter of this embodiment, the inner circumferential surface of the inner wall of the ear portion forming the groove is formed into a curved surface having a substantially C-shaped longitudinal section, so that when the support piece of the gutter hanger is inserted into the groove of the ear portion, , the ears slide along the tip of the support piece so as to guide the support piece to the highest position on the inner peripheral surface of the inner wall. The support piece engages with the locking piece at the highest position on the inner peripheral surface.

In addition, if the ears of the gutter are misaligned in the front and back direction with respect to the supporting pieces of the gutter hanging tool during use, the ears will fall between the locking pieces and the supports due to their own load, etc. The pieces slide back into engagement.

That is, the locking piece of the ear part can always maintain an engaged state with the support piece of the gutter hanger.

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

First, the configuration of the embodiment will be explained with reference to FIGS. 1 and 2.

As shown in FIG. 1, the gutter A of this embodiment has a flat bottom wall 1.
Side walls 2°3 are erected on both sides at a slight angle outward. The front side wall 2, which is placed on the eaves side of the building in the installed state, is formed slightly higher than the rear side wall 3, which is placed on the wall side of the building, and the upper ends of both side walls 2.3 are ,
A front ear part 4 and a rear ear part 5 are respectively formed.

As shown in FIG. 2, the front ear portion 4 has an inner wall 42 forming a hole 41 opening inside the gutter A on its inner circumferential surface;
It is formed of a double wall with an outer wall 45 provided outside the inner wall 42 with two hollow parts 43 and 44 interposed therebetween. The inner wall 42 has a substantially C-shaped longitudinal section so as to bulge outward from the gutter A, and the outer wall 45 has a U-shaped longitudinal section. That is, the inner circumferential surface of the inner wall 42 is formed into a curved surface having a substantially C-shaped longitudinal section.

In addition, on the upper surface of the groove 41 formed with a (shaped curved surface),
A locking piece 46 that can be engaged with the support piece of the gutter hanger B extends downward from the inner edge thereof. This locking piece 46 is formed to have a length that is approximately half the opening height of the groove 41, and is formed to be slightly inclined so as to extend on an extension line of the front side wall 2.

Note that the gutter hanger B will be explained later.

Furthermore, the portion from the lower surface of the groove 41 to the front side wall 2 is a gutter A.
It is formed into a small arc shape that bulges inward.

Note that the inner surface of the arc portion is a small curved surface 47.

On the other hand, the rear ear portion 5 is formed to have a rectangular closed cross section with a hollow portion 51.

Further, reinforcing ribs 6. are provided at the corners between the bottom wall l and both side walls 2.3.
7 are provided diagonally, and furthermore, stack ribs 8 with flat upper surfaces are provided at the corners between the reinforcing ribs 6.7 and both side walls 2.3.
．． 9 is provided.

Note that these reinforcing ribs 6.7 and stack ribs 8.9 are both formed so as to be closed to the inner surfaces of the bottom wall l and both side walls 2.3.

In addition, it is preferable that this gutter A is extrusion molded from a synthetic resin such as a hard vinyl chloride resin in order to improve manufacturing costs.

Next, the operation of the embodiment will be explained with reference to FIGS. 3 to 7.

First, the gutter hanger B used for attaching the gutter A of this embodiment to the eaves will be explained.

This gutter hanging tool B supports the gutter A in an internally suspended state,
Press-molded from metal such as stainless steel. In addition, as shown in FIG. 3, this gutter hanger B is composed of a mounting part 1O fixed to the fixed surface of the eaves, and a support arm 11 extending horizontally from the upper end of the mounting part 1O. A support piece I2 that supports the front ear part 2 of the gutter A is raised at the tip of the support arm part 11, and a handling spring that supports the rear ear part 3 of the gutter A is provided at the base end of the support arm part 11. 13 is fixed.

Gutter hanging tools B are fixed at predetermined intervals along the eaves, and ldA
is attached to the gutter hanger B.

First, the front ear portion 4 is supported by inserting the support piece 12 of the gutter hanger B into the hole 41 and engaging the locking piece 46 with the support piece 12. On the other hand, after the front ear part 4 is attached, the rear ear part 5 is supported by the spring i13 by pushing up from below.

Here, the gutter A of this embodiment extends from the lower surface of the groove 41 to the front side wall 2.
Since a small curved surface 47 is formed in the portion leading to the support piece 12, first insert the support piece 12 from its upper end to the full length 41, and then slide the lower end along this small curved surface 47.
It can be inserted smoothly to the full extent (see Figures 4 and 5).

Furthermore, since the inner circumferential surface of the inner wall 42 forming the groove 41 is formed into a curved surface having a substantially C-shaped longitudinal section, the gutter hanger B
When the supporting piece 12 is inserted, the front ear portion 4
(see FIG. 6). The support piece 12 engages with the locking piece 46 at the highest position on the inner peripheral surface. (See Figure 7).

In addition, if the front ear part 4 of the gutter A is displaced in the front-rear direction with respect to the support piece 12 of the gutter hanging tool B during use, the front ear part 4 will be affected by its own load etc. in the same way as when hanging the gutter A. Then, it slides back to the position where the locking piece 46 and the supporting piece I2 engage.

In this way, in the gutter A of this embodiment, the locking piece 46 of the front ear part 4 can be always engaged with the support piece 12 of the gutter hanging tool B, so that the gutter hanging tool B can always be can maintain high mounting strength.

Furthermore, since the front ear portion 4 is formed of a double wall of an inner wall 42 and an outer wall 45 to improve rigidity, higher mounting strength can be obtained.

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 (the present invention may be modified even if there are design changes within the scope of the invention). included.

For example, in the embodiment, a square gutter having a corner between the bottom wall and the side wall is used as an example, but the present invention may also be applied to a round gutter having a semicircular cross-sectional shape.

Further, the shape of the rear ear portion is not limited to the embodiment, and, for example, the shape of the front ear portion may be applied as is.

(Effects of the Invention) As described above, in the gutter of the present invention, in addition to the increased rigidity of the ear part itself, the locking piece can be constantly engaged with the support piece of the gutter hanger. Because of this structure, it is possible to maintain high attachment strength to the gutter hanger at all times.

[Brief explanation of the drawing]

Fig. 1 is a side view showing a gutter according to an embodiment of the present invention, Fig. 2 is a side view showing the main parts of a gutter according to this embodiment, and Fig. 3 shows how the gutter according to this embodiment is attached to a gutter hanger. Figures 4 to 7 are side views of main parts showing the procedure for attaching the gutter of this embodiment to the gutter hanger, and Figure 8 shows the ears of a conventional gutter attached to the gutter hanger. FIG. A...Gutter 2...Front side wall (side wall) 3...Rear side wall (side wall) 4...Front side ear part (ear part) 41...Groove 42...Inner wall 43.44...・Hollow part 45...Outer wall 46...Locking piece 5...Rear ear part (ear part) B...Gutter hanger 12...Support cantilever Permission Application Representative of Sekisui Chemical Co., Ltd. Hiro 1) Kaoru A...Gutter 2...Front side U (side wall) 3...tl side 1t! It! J (III wall) 4... Front ear part (ear part) 41... Groove 42... Inner wall 43.44... Hollow part 45... Outer wall 46... Locking piece 5... Rear ear part (ear part) B...Gutter hanger 12...Support piece A' Fig. 2') 7A -

Claims (1)

[Scope of Claims] 1) A gutter that is supported in an internally suspended state by a gutter hanger having a support piece raised at the end, wherein an ear is formed at the upper end of the side wall, and the ear is provided with an ear. In a gutter in which a groove is formed that opens on the inside of the gutter, and a locking piece that can be engaged with a support piece of the gutter hanger extends downward from the inner edge of the upper surface of the groove, the ear part is provided with: It is formed of a double wall consisting of an inner wall forming a groove on the inner circumferential surface and an outer wall provided outside the inner wall through a hollow part, and the inner circumferential surface of the inner wall has a substantially C-shaped longitudinal section. A gutter characterized by being formed into a curved surface.