JPH076283Y2 - Base structure of chimney ventilation system - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a base structure of a chimney type ventilation device which is attached in a state of protruding from a roof upper surface.

[Prior Art] A base structure of a conventional chimney type ventilation device is shown in Figs.
It will be described with reference to the drawings.

A pedestal 23 is fixed to the roof material 21 so as to surround an opening 22 for ventilation provided in a part of the roof material 21. This mount 23
The chimney-type ventilation device 24 is placed and fixed. And
As shown in FIG. 6 and FIG.
After the draining board 25 is fixed from the outside of the four sides (partly not shown) of the pedestal 23 so as to hide the fixing portion between the roofing material 21 and the roof material 21, part of the draining board 25 overlaps the peripheral edge of the draining board 25. Place and fix the roof tile 26. When fixing each draining plate 25, caulking material (not shown) is provided on the back surface, the joint portion, and the joint end surface.
To prevent the ingress of rainwater and the like into the roofing material 21 and its interior.

[Problems to be solved and used by the device]

However, in the above-described configuration, as shown in FIG. 7, a gap is formed at the joint B between the draining plates 25, 25 located at the corners of the pedestal 23, and rainwater is introduced from the gap to the roofing material 21 and its inside. There was a problem of infiltration.

An object of the present invention is to provide a base structure of a chimney type ventilation device capable of reliably preventing rainwater from entering the roof material from the joint portion of the draining plates.

[Means for Solving the Problems]

The base structure of the chimney type ventilation device of this invention is such that the base of the chimney type ventilation device is fixed so as to surround the opening provided in a part of the roofing material, and the drain board is fixed to each side around the base. , Each draining board is a vertical piece arranged along the side of the frame,
It is formed into an L-shaped cross section consisting of horizontal pieces arranged along the top surface of the roofing material, and at each corner of the gantry, a horizontal piece extension is formed on each horizontal piece of the pair of adjoining draining plates, protruding from the corner. Then, one vertical piece of the draining plate protrudes from the corner to form an extension of the vertical piece, and the vertical piece of the other draining plate protrudes from the corner and is divided vertically by the horizontal cutting portion to form a pair of vertical pieces. Form an extension, overlap the horizontal piece extension of one draining board under the horizontal piece extension of the other draining board, fold the vertical piece extension of one draining board and Insert it between the vertical piece and the frame, bend the upper vertical piece extension of the other draining board along the outer surface of the vertical piece of one draining board, and horizontally cut the lower vertical extension of the other draining board. Fold it in half along the diagonal line connecting the inner and lower ends of the insert to form a triangular part,
It is characterized in that the caulking material is filled in the joint between the horizontal piece and the vertical piece of one draining plate and the triangular portion of the other draining plate.

[Action]

According to the configuration of this invention, in the corner portion of the mount,
Since one vertical piece and one horizontal piece of the pair of adjacent draining plates and the other triangular portion are filled with caulking material,
No gap is created at the joint between the pair of draining plates. Further, since the lower vertical piece extension of the other draining plate is folded in half to form a triangular portion, it becomes smaller at the upper portion.

[Embodiment] An embodiment of the present invention will be described with reference to FIGS. 1 to 4.

As in the conventional case, a pedestal 3 for mounting and fixing a chimney type ventilation device is provided so as to surround an opening 2 for ventilation provided in a part of a roofing material 1, and draining plates 5, 6 are provided around four sides of the pedestal 3.・ ・ Fix.

The storage of the drainage plates 5, 6, ... At the corners of the frame 3 will be described with reference to FIGS. 1 and 2. That is, the pedestal 3
Between a pair of side surfaces adjacent to each other of the roof and the roofing material, a pair of drainboards having L-shaped cross sections composed of horizontal pieces 5a, 6a and vertical pieces 5b, 6b
Provide 5,6. Horizontal piece 5a and vertical piece 5b of one draining plate 5
Further, a horizontal piece extension 5c and a vertical piece extension 5d protruding from the corner are formed. Similarly, the horizontal piece 6a of the other draining plate 6
In, to form the horizontal piece extension 6c protruding from the corner,
A pair of vertical piece extensions 6d, 6d 'is formed on the vertical piece 6b by protruding from a corner portion and divided vertically by a horizontal cut portion 10.

Then, bend the vertical piece extension portion 5d of the draining plate 5 on one side,
It inserts between the vertical piece 6b of the other draining board 6 and the gantry 3, and the horizontal piece extension 6c of the other draining board 6 is superposed on the upper surface of the horizontal piece extension 5c of the one draining board 5. Further, the upper vertical piece extension 6d of the other draining plate 6 is bent along the outer surface of the vertical piece 5b of the one draining plate 5, and the lower vertical piece extension 6d 'of the other draining plate 6 is horizontally cut. A triangular portion 12 is formed by double-folding it so as to double-fold along a diagonal line 11 connecting the inner end and the lower end of the. Further, the caulking material 7 is filled in the joint between the lower vertical piece extension 6d ′ and the horizontal piece 5a and the vertical piece 5b of the draining plate 5.

Similarly, the draining boards 5 and 6 at the four corners of the gantry 3
・ ・ Pay.

Next, the structure of the peripheral portions of the drainage plates 5, 6, ... Will be described. 3 and 4 show the structure of the peripheral portion of the draining plate 5. The same applies to the remaining draining plates 6 ... At the peripheral edge of the horizontal piece 5a of the draining plate 5, a folded-back portion 5e that is folded back toward the gantry 3 side is formed. After inserting the horizontal piece 4b of the watertight material 4 made of an elastic body into the folded portion 5e and fixing the watertight material 4 to the entire peripheral edge of the draining plate 5, a part thereof is placed on the watertight piece 4a of the watertight material 4. The roof tiles 8 are placed and fixed so that they overlap. At this time, the watertight piece 4a having elasticity by the weight of the roof tile 8 is pressed downward.

According to the base structure of the chimney type ventilation device configured as described above, the caulking material 7 is filled in the joint portion of the triangular portion 12 of the other draining plate 6 and the horizontal piece 5a and the vertical piece 5b of the one draining board 5. Therefore, there is no gap at the junction A of the pair of draining plates 5 and 6,
It is possible to reliably prevent rainwater from entering the roof material 1 and the inside thereof, and it is excellent in waterproofness.

In addition, the lower vertical piece extension 6d 'of the other draining plate 6 is provided with a diagonal line 11
I bent it along and doubled it up to make a triangular part 12, so
It becomes stronger, and the triangular part 12 collapses and caulking material 7
There is no risk that cracks or the like will occur and a gap will be created at the joint point A. Moreover, the area of the triangular portion 12 is 6
It will be half of d ', and will not interfere with the construction of roofs or chimney type ventilation devices. Further, by bending along the diagonal line 11 to form the triangular portion 12, the corner portion is eliminated, and it is safe without accidentally injuring a hand or the like.

In addition, after inserting and fixing the horizontal piece 4b of the watertight material 4 from the elastic body into the folded-back portion 5e of the peripheral edge of the draining board 5, the watertight piece of the watertight material 4 is inserted.
Since the roof tile 8 is placed and fixed so as to hold down 4a,
Rainwater or the like does not enter the inside of the roof material 1 and can be reliably waterproofed. Moreover, the simple work of inserting the watertight material 4 into the folded-back portion 5e and placing the roof tiles 8 on the folded-back portion 5e can save labor.

The shape of the watertight material 4 is a seamless ring-shaped one such as an O-ring packing, or a string-shaped one formed by extrusion molding, cut to a required length, and the seam is joined with an adhesive or heat fusion. You can also use it.

[Effect of device]

According to the configuration of this invention, in the corner portion of the mount,
Since one vertical piece and one horizontal piece of the pair of adjacent draining plates and the other triangular portion are filled with caulking material,
There is no gap at the joint between the pair of draining plates, and the waterproofness is excellent.

In addition, the lower vertical extension of the other draining plate is bent along the diagonal line and doubled to form a triangular part, so the strength becomes stronger and the triangular part collapses and cracks etc. occur in the caulking material. Therefore, there is no fear that a gap will be formed at the joint portion of the draining plate. Moreover, the area of the triangular part is small, and it does not interfere with the construction of the roof or the chimney type ventilation device. Furthermore, by bending along a diagonal line to form a triangular portion, there is an effect that the corner portion is eliminated, hands are not accidentally scratched, and safety is excellent.

In addition, after inserting and fixing a horizontal piece of watertight material made of an elastic material into the folded part of the peripheral part of the draining board, the roof tile was placed and fixed so as to press the watertight piece of watertight material downward, so rainwater etc. There is an effect that it is possible to ensure waterproofing without penetrating into the inside of the material, and a simple work of inserting a watertight material into the folded portion and placing a roof tile, and labor saving of the work.

[Brief description of drawings]

FIG. 1 is a partial perspective view of an embodiment of the present invention, FIG. 2 is a partial perspective view of the draining plate, FIG. 3 is a partial longitudinal sectional view thereof, and FIG. 4 is a partial disassembly of the draining plate and the watertight material. Perspective view, fifth
FIG. 6 is a vertical sectional view of a chimney type ventilation device as seen from the eaves side of a conventional example, FIG. 6 is a partially exploded perspective view thereof, and FIG. 7 is a partial perspective view thereof. 1 ... Roofing material, 2 ... Opening, 3 ... Stand, 5,6 ... Drain board, 5a, 6a
... Horizontal piece, 5b, 6b ... Vertical piece, 5c, 6c ... Horizontal piece extension part, 5d ... Vertical piece extension part, 6d ... Upper vertical piece extension part, 6d '... Lower vertical piece extension part, 7
… Caulking material, 10… Horizontal cut, 11… Diagonal line, 12… Triangular part

Claims (1)

[Scope of utility model registration request] 1. A base structure of a chimney type ventilation device in which a pedestal of a chimney type ventilation device is fixed so as to surround an opening provided in a part of a roofing material, and a draining plate is fixed to each side around the pedestal. In the above, each of the draining plates is formed in a L-shaped cross section composed of a vertical piece arranged along a side surface of the gantry and a horizontal piece arranged along an upper surface of the roof member, and at each corner portion of the gantry. , Each lateral piece of a pair of adjoining draining plates forms a lateral piece extension protruding from the corner portion, and one vertical piece of the draining board forming a vertical piece extension protruding from the corner portion, and the other The vertical piece of the draining plate extends vertically from the corner portion and is divided vertically by the horizontal cutting portion to form a pair of vertical piece extension portions, and the horizontal piece extension portion of the one draining plate is a horizontal piece of the other draining plate. Stacked under one extension, vertical piece of the draining plate Bend the long part and insert it between the vertical piece of the other draining plate and the frame, and fold the upper vertical piece extension of the other draining plate along the outer surface of the vertical piece of the one draining plate. Bend and fold the lower vertical piece extension of the other draining plate in half along a diagonal line connecting the rear end and the lower end of the horizontal cut portion to form a triangular portion, and a horizontal piece of the one draining plate. In addition, a joint structure between the vertical piece and the triangular portion of the other draining plate is filled with caulking material, and a base structure of the chimney type ventilation device.