JPS5922240Y2 - Condensation prevention device for metal sash - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a dew condensation prevention device for metal sashes.

A metal window frame made of an extruded material such as aluminum or aluminum alloy easily conducts heat.

Therefore, especially in the final stages of life, there is a large temperature difference between indoors and outdoors due to indoor heating, so there is a drawback that dew condensation is likely to occur on the indoor surface of the window frame.

In view of the above points, the present invention provides a dew condensation prevention device for a metal sash that can prevent dew condensation by covering the indoor surface of the window frame with a thermal insulating material to prevent contact with the indoor air. With the goal.

The structure of the present invention will be explained in detail based on the first embodiment shown in FIGS. 1 to 3. The window frame 1 is constructed of aluminum in the form of a hidden frame.

That is, as shown in FIG. 1, the upper frame 2 has a joint piece 6 protruding slightly toward the outdoor side so as to form a protrusion 5 at the indoor end of the indoor upper surface 4 in contact with the upper surface of the window opening 3.

Then, an upper vertical piece 7 is provided extending upward from the outdoor end of the indoor upper surface 4 by one shoji on both sides of the window opening 3,
A connecting top plate 8 is provided horizontally from the upper end of this upper vertical piece 7, an outer wall 9 is provided on the connecting top plate 8 in parallel with the upper vertical piece 7, and a guide ridge 10 is provided on the lower center surface of the connecting top plate 8. There is.

In addition, the lower frame 11 has a window opening 3 as shown in FIGS. 1 and 3.
At the indoor end of the indoor lower surface 12 in contact with the lower surface of the room, a joining piece 14 is provided protruding slightly toward the outdoor side so as to form a projection 13.

A lower vertical piece 15 is provided extending downward from the outdoor end of the lower indoor surface 12 by one shoji on both sides of the window opening 3, and a draining plate part 16 is inclined from the lower end of the lower vertical piece 15. An H-shaped bottom wall 17 is provided on the outdoor terminal surface of the draining pan 16, and a rail 18 is provided protruding from the center upper surface of the draining pan 16.

In addition, as shown in FIG. 2, the window opening side frame has an indoor side surface 20.20 and an outdoor side surface 19.1 that touch the indoor and outdoor areas of the window opening 3.
9'... are formed to have a single cross section, and are connected to the upper and lower frames 2.11.

A joining piece 22 is provided protruding from the indoor side so as to form a protrusion 21 at the indoor end of the indoor side surface 20.

Further, the outer ends of the window openings 3 of the upper and lower frames 2 and 11 are connected by side frames 23 and 23', as shown in FIG.

The window frame 1 is constructed as described above, and as shown in Figures 1 and 2, the entire circumferential surface of the window opening 3 is made of synthetic resin or the like with a high thermal conductivity from the indoor surface to the outdoor surface. It is covered with a covering material 24 made of a poor (hereinafter referred to as a non-thermal conductor) material to prevent contact with air.

The covering material 24 has a cross section shaped as shown in FIG.
The indoor part 25 is provided with a locking part 26 that engages with each of the protrusions 5, 13, 21 around the entire circumference of the end, and the indoor part 27 is provided with a contact piece 28 protruding from the end.

On the other hand, the shoji 29 and 29', which are configured to be opened and closed on both sides by the guide ridges 10 of the window frame 1 and the guide of the rails 18, are
As shown in FIG. 2, an airtight piece 32 is integrally provided on the indoor side of a glazing gasket 31 that supports a glass plate 30 so that it can come into contact with the covering material 24.

Note that the glazing gasket 31 usually goes around from the center of the upper stile of the shoji through one stile to the lower stile, and then goes around the other stile,
The shoji is constructed so that it goes around the shoji without a break to the center of the upper stile.

The first embodiment of the present invention is constructed as described above, and the indoor surface of the window frame 1 that is in contact with the indoor air is covered with a covering material 24,
Since the airtight piece 32 protruding from the glazing gasket 31 is in contact with the covering material 24, it is possible to prevent the window frame 1 and the shoji frame cooled by the outside air from coming into contact with the indoor air, thereby preventing dew condensation. can.

Next, a second embodiment will be described based on FIG. 4. In this embodiment, a sill portion 33 is provided within the window opening 3.

The interior portion 25 of the covering material 24 in the first embodiment is extended to form a threshold portion 33 made of the same material, and support pieces 34 and 35 are provided protruding from the interior end and center lower surface of the threshold portion 33.

Furthermore, rails 36 and 37 are integrally provided on the upper surface of the threshold portion 33.

Above the threshold portion 33 in the embodiment described above, a groove may be provided in the lintel, or a groove portion may be formed using a molded material such as aluminum.

The pillars of the window opening are used as they are for the side walls, but the frame may be formed from a material such as aluminum.

On the other hand, the shoji 29.29' uses double glass and is 38 in the figure.
is a spacer, and 39 is a support block.

The second embodiment is configured as described above, and the threshold portion 33
Since the entire structure is made of a non-thermal conductor, there is no risk of condensation forming on the threshold portion 33.

Furthermore, if you place a sliding shoji on rails 36 and 37,
The double-glazed structure completely prevents condensation on the glass surfaces.

Other than that, this embodiment has the same structure, operation, and effect as the first embodiment.

In addition, in the first and second embodiments, the airtight piece 32 was described as being provided integrally with the glazing gasket 31.
This means that when inserting a glass plate into a shoji, the installation of the airtight piece is completed by simply pressing the glass plate with a glazing gasket, eliminating the need for work and locking parts for installing the airtight piece. This is to ensure that the shoji frame is prevented from coming into contact with the indoor air.

Therefore, even if the airtight piece 32 is attached to a locking portion provided separately, the effect can be sufficiently exerted.

Although the above-mentioned embodiments have been described with reference to windows, the present invention can be applied to windows of various opening/closing types, such as single-sliding windows, casement windows, sliding windows, and projecting windows.

The present invention has the structure and function as in the above-mentioned embodiment, and since the interior and exterior surfaces located at the window opening of the metal window frame are covered with a covering material, there is no possibility of contact with the indoor air. Furthermore, since the shoji frames do not come into contact with the indoor air due to the airtight pieces, no condensation occurs.

[Brief explanation of drawings]

The figures show an embodiment of the dew condensation prevention device for a metal sash according to the present invention.
The figure is a cross-sectional plan view, Figure 3 is an enlarged sectional view of the lower frame part, and Figure 4 is a cross-sectional view.
The figure is an enlarged sectional view of the lower frame portion of the second embodiment. In the figure, 1 is a window frame, 3 is a window opening, 4, 12.20 is an indoor surface, 24 is a covering material, and 32 is an airtight piece.

Claims (1)

[Scope of utility model registration request] An upper vertical piece 7 and a lower vertical piece 15 are installed on the indoor side of the metal window frame 1.
The indoor upper surface 4 and the indoor lower surface 12 are provided so that the lower end of the upper vertical piece 7 and the upper end of the lower vertical piece 15 are approximately the same height as the upper and lower frames of the shoji 29.29'. are provided horizontally and fixed inside the window opening 3, and the outside surfaces 19.
19' An indoor side surface 20.20 to be fixed in the window opening 3 is provided, and from the indoor side surfaces 20, 20, the upper and lower indoor surfaces 4, 12 to the outdoor side surface 19.19' and the opening 3 side of the upper and lower vertical pieces 7, 15. It is characterized in that a covering material 24 made of a non-thermal transmitting material is covered over the entire period, and an airtight piece 32 that abuts the covering material 24 is integrally formed on a glazing casket 31 attached to the shoji 29, 29'. Condensation prevention device for metal sash.