JPH0118745Y2 - - Google Patents

Description

[Detailed description of the invention] "Industrial application field" This invention relates to a top light that is attached to the roof of a building and used as a light source, and in particular provides a top light that has a ventilation function and a function to prevent condensed water from falling. This is what I am trying to do.

``Prior Art'' Figure 3 shows the structure of a conventional top light. Conventional top lights form a rectangular opening B in the roof A of a building, attach a frame C around the four circumferences of this rectangular opening B, and fit a glass plate D into the inner peripheral opening of the frame C.
It is common to have a structure in which a roofing material E made of a light-transmitting resin material is placed on top of the roofing material.

``Problems to be solved by the invention'' According to the conventional top light, the rectangular opening B formed in the roof A is closed by the glass plate D, so there is a drawback that there is no ventilation function at all. Another disadvantage is that when the outside temperature is low, such as in winter, condensation forms on the indoor side of the glass plate D, and this condensation forms water droplets and falls into the room.

"Means for Solving the Problem" In this invention, as shown in FIG. A square cylindrical frame 4 is formed to protrude upward, a vent 5 is formed on the circumferential surface of the square cylindrical frame 4, and a glass plate 6 is fitted into the inner periphery of the upper end of the square cylindrical frame 4. together with the rectangular cylindrical frame 4
Cover the top end with the roofing material 7. Further, between the glass plate 6 and the planar frame 3, there is provided a dew condensation water fall prevention member 8 (see FIG. (see).

According to this structure, since the dew condensation fall prevention plate 8 is arranged between the glass plate 6 and the planar frame part 3,
A gap is formed between the dew condensation fall prevention member 8 and the planar frame portion 3. This gap communicates with a vent 5 formed in the rectangular cylindrical frame 4. As a result, the air inside the room can be exhausted to the outside through the vent 5 formed in the rectangular cylindrical frame 4, and a ventilation function can be provided.

Furthermore, in this invention, since the dew condensation fall prevention member 8 is provided which is larger in shape than the inner circumferential opening surface of the planar frame 3, it is possible to prevent water droplets condensed on the glass plate 6 from falling into the room.

"Embodiment of the Invention" An embodiment of the invention will be described with reference to FIGS. 1 and 2 again. FIG. 1 is an exploded perspective view for explaining the general structure of the top light according to this invention, and FIG. 2 is a partial sectional view for explaining the detailed structure.

The flat plate members constituting the planar frame portion 3 and the rectangular cylindrical frame portion 4 are integrally molded, for example, from an extruded aluminum section. Although omitted in FIG. 1, in the embodiment, as shown in FIG.
In addition to the rectangular cylindrical frame 4, an eave member 4A is integrally molded outward from the upper end of the members constituting the rectangular cylindrical frame 4, and is also molded downward inside and outside the planar frame 3. Engagement members 9A and 9B for the frame are integrally formed. These engaging members 9A and 9B are connected to the roof 1
It engages with the frame 11 surrounding the rectangular opening 2 formed in , and is fixed to the frame 11 with screws 12 .

The engaging member 9A formed inside the planar frame portion 3 has a resin cover 1 formed of a resin material over four circumferences.
Cover with 3. By covering the resin cover 13, the structure is such that dew condensation does not adhere to the member 9A.

A condensation fall prevention member 8 is provided above the rectangular opening 14 formed by the resin cover 13. This condensation fall prevention member 8 is formed into a tray shape from a light-transmitting resin material, and this tray-shaped body is placed on the free end of the support piece 15 attached to the planar frame 3 with the concave surface facing downward. It is supported between the glass plate 6 and the planar frame 3. The outer periphery of the condensation fall prevention member 8 is covered with a resin cover 1.
The area of the rectangular opening 14 is selected so as to protrude from the outer periphery of the rectangular opening 14 formed by the opening 14.

A protrusion 4B is formed on the inner periphery of the upper end of the rectangular cylindrical frame 4 toward the inside, and an airtight material 16 is attached to the protrusion 4B, and the glass plate 6 is supported by being pressed against the airtight material 16. In this example, the glass plate 6 is made of wire glass.

A vent 5 is formed in the rectangular cylindrical frame 4, and an insect repellent 5A is placed over the vent 5.

The roofing material 7 is integrally molded with a light-transmitting resin material of a floating white color such as acrylic or polycarbonate.The roofing material 7 is placed on the upper end of the rectangular cylindrical frame 4 and screwed in with screws 18 through an airtight material 17. and secure it.

A decorative cover 21 is attached to the outer periphery of the planar frame 3 via a support piece 19. 22 is a makeup cover 21
Indicates the angle that connects at each corner. The decorative cover 21 is attached to cover the joint between the planar frame 3 and the frame 11 to prevent rainwater from entering the frame 11, and protrudes above the planar frame 3 to form a rectangular cylindrical shape. It has a structure that prevents wind and rain from blowing into the ventilation hole 5 formed in the frame part 4.

"Function" According to the above-mentioned top light according to this invention, the rectangular opening 14 formed by the resin cover 13 is opened as a vent in the rectangular cylindrical frame part 4 through the gap between the dew condensation fall prevention member 8 and the flat frame part 3. 5 and communicates with the outside air. As a result, when the warmed air rises inside the room, the warmed air is exhausted to the outside through the vent 5. Therefore, by installing it in a room where a large number of people gather, for example, it is possible to release dirty air to the outside.

Furthermore, when the temperature is low and the room is warm, dew condensation will form on the bottom surface of the glass plate 6, but even if this condensed water falls as water droplets 23, the condensation fall prevention member 8 will cover the top of the rectangular opening 14. Because of this, the water droplets 23 will not fall directly into the room. In other words, the water droplets 23 flow on the upper surface of the planar frame 3, pass through the ventilation holes 5, flow toward the outer circumferential side of the planar frame 3, and are flushed out to the outside.

``Effect of the invention'' As mentioned above, this invention allows light to come in from the roof and has a ventilation function, and the condensation fall prevention member 8 catches water droplets falling from the glass plate 6, preventing them from falling into the room. Since it has a structure that prevents water droplets from falling, it is possible to provide a top light that has excellent functions in all aspects without polluting the interior of the room.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view for explaining the structure of this invention, Fig. 2 is a sectional view for explaining an embodiment of this invention, and Fig. 3 is a sectional view for explaining the structure of a conventional top light. It is a diagram. 1: roof, 2: square opening, 3: planar frame,
4: square cylindrical frame, 5: vent, 6: glass plate,
7: Roofing material, 8: Condensation fall prevention member, 9A, 9
B: Engagement member, 11: Body, 12: Screw, 13:
Resin cover, 14: Square opening, 15: Support piece,
16, 17: Airtight material, 18: Screw, 19: Support piece, 21: Decorative cover, 22: Angle, 2
3: Water droplets.

Claims (1)

[Claims for Utility Model Registration] A. A frame body comprising a planar frame portion attached to a rectangular opening provided in the roof, and a rectangular cylindrical frame portion protruding upward from the upper surface of the planar frame portion; B: A vent formed in the rectangular cylindrical frame of this frame; C: A glass plate fitted to the upper end of the inner periphery of the rectangular cylindrical frame; D: A rectangular cylindrical frame attached to the upper end of the rectangular cylindrical frame. A roof material formed of a light-transmitting resin material and having a shape that covers the upper end opening surface of the E and the outer peripheral surface of the rectangular cylindrical frame, and the planar frame supported between the glass plate and the planar frame. A top light comprising: a condensation fall prevention member formed of a light-transmitting resin material and having a surface larger than the surface of the inner peripheral opening of the section.