JPH0967895A - Fixing tool for ceiling end - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the fixing work for wall surface panels and ceiling panels and delay fire attack to the ceiling space at a fire, by containing the wall surface panels and the ceiling panels into a fixing tool for the ceiling end fixed to a building body and supporting them and providing a noncombustible thermoexpansive material at ventilation openings. SOLUTION: An aluminum alloy ceiling end fixing tool 20 is constituted of a taking-in part 21 of ceiling panels, a taking-in part 22 of walls having a reversed U-shaped vertical section, and a ventilation part 23 composed of an air hole 23A leading air to the upper and lower sides of ceiling and the cover 23B. The ceiling end fixing tool 20 is fixed at first to the cradling 15 of the building body 10 and the wall panel 11 in the fixing parts 21C, 22C of the building body. Next, the wall surface panel 13 is inserted in the taking-in part 22 to fix it to the furring strips 12 and subsequently, the ceiling panel 16 is inserted in the taking-in part 21 to support it by the under face support 21A. And a thermoexpansive noncombustible material 24 is attached to the cover 23B of the vetilation part 23. When the ventilation part 23 is heated at a fire, the material 24 is expanded to close the air hole 23A and hence the fire attack to the ceiling space is delayed.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a ceiling end fixture,
More specifically, the present invention relates to a ceiling end fixture that can close a ventilation passage in the ceiling when a fire occurs.

[0002]

Prior art In describing the prior art of the present invention, the applicant of the present invention previously used the prior art search (Patris) of the Japan Patent Information Organization (JAPIO) to search for the following by using the following retrieval formula:
A survey of patent applications and utility model registration applications after five years was conducted, and as a result, six patent applications and 100 utility model registration applications were extracted.

Search Formula: E04B5 / 60F + (Eaves + Eaves + Eaves) * (Disaster Prevention + Fire + Fire) Then, the applicant diligently studied the prior art based on the results of the previous survey, and as a result, the following related technologies were found. The technology, JP-A-7-42299, was extracted. This Japanese Patent Application Laid-Open No. 7-42
No. 299 relates to a ceiling ventilation structure, and as described in the claims, "A ventilation air passage extending between the ceiling and a ceiling plate supporting bracket for supporting a side edge of a ceiling plate and the wall. And a non-combustible volume expansion material that expands by heat is built in the ventilation air passage. "

A more detailed description will be given with reference to FIGS. 3 and 4. FIG. 3 is a vertical sectional view showing an embodiment of a ceiling ventilation structure disclosed in JP-A-7-42299. FIG.
FIG. 4 is a perspective view showing an embodiment of a ceiling ventilation structure disclosed in JP-A-7-42299. In this ceiling ventilation structure, a discontinuous spacer 4 is provided between a ceiling support fitting 1 that supports side edges of a noncombustible ceiling board 2 and a noncombustible wall (siding material) 5 as an outer wall of a building frame 6. By interposing it, the ventilation passage 7 shown in FIG. 4 is formed, and the non-combustible volume expansion material 3 is built in on the rear surface of the ceiling support fitting 1 facing the ventilation passage 7 side. Here, the non-combustible volume expansion material 3 is
"Intsumex" made by Austria Chemie Linz
And Japanese Patent Publication No. 63-132968 (Invention name: Fireproof composition), Japanese Patent Publication No. 3-235 (Invention name: Fireproof clothing mat), etc., and the temperature in the vicinity of the nonflammable volume expansion material 3 is 150 to 170 ° C.
Has the property of expanding about 10 times.

According to this, when a fire occurs and the temperature rises, and when hot air of about 150 ° C. or more begins to enter from the ventilation passage 7 into the ceiling, the non-combustible volume expandable material 3 expands and ventilation is performed. The passage 7 is closed to prevent hot air from entering the ceiling of the ventilation passage 7.

[0006]

However, the above-mentioned technique has the following problems. First, there is a problem that it is difficult to determine the position of the end portion of the ceiling plate 2, and if there is a dimensional error, it is difficult to fix it. Further, since the ceiling board support fitting 1 and the siding material 5 are fixed to the ceiling board support fitting 1 to the siding material 5 via the spacer 4, after fixing the siding material 5 to the building frame 6, There are restrictions on the construction procedure, such as being unable to do otherwise.

Further, since the ventilation passage 7 can be seen from below, it is not preferable in appearance. The problem to be solved by the present invention is to prevent the ventilation passage from being seen from below without impairing the function of being able to close the ventilation passage of the ceiling in the event of a fire, to easily fix the ceiling plate, and also to fix the siding material. It is to provide an easy fixing structure of the ceiling plate.

[0008] Here, an object of the present invention is to easily fix the ceiling plate and the siding material without impairing the function of closing the ventilation passage of the ceiling when a fire occurs. A ceiling end fixture is provided. The object of the invention of claim 2 is
A further object is to provide a ceiling end fixture that improves the appearance quality by hiding the ventilation passage from below.

A technique for solving all of the above problems at once could not be found by the above-mentioned prior art search.

[0010]

SUMMARY OF THE INVENTION The present invention is to achieve the above object. The ceiling edge fixture according to claim 1, wherein the ceiling edge fixture is located between the wall and the ceiling (2
0), which is a ceiling plate for supporting the ceiling surface plate (16) by swallowing the end portion on the wall side of the ceiling surface plate (e.g., eaves board 16) forming the surface of the ceiling of the building frame (10). Swallow part (2
1) and the wall surface plate that swallows the upper end of the wall surface plate (for example, siding material 13) that forms the surface of the wall of the building frame (10).
The air in the upper and lower spaces that are located between the wall swallowing part (22) for supporting (13) and the ceiling plate swallowing part (21) and the wall swallowing part (22) with the ceiling surface plate (16) as a boundary. And a ventilation part (23) for circulating, and the ventilation part (23) has a circulation hole (23A) for circulating the air in the upper and lower spaces of the ceiling and the ventilation part (23). In this case, the expansion material (2A that expands without burning due to the heat and blocks the flow of air in the distribution hole (23A) (2
4) and are provided.

Here, the term "ceiling" is intended to include not only the eaves of the embodiment but also the ceiling inside a room. Also,
The term “wall” is meant to include not only the outdoor outer wall and the siding material but also the indoor wall described in the embodiment. Further, as the "expandable material", a conventional material having a function of "expanding without heat burning to block the flow of air through the flow hole (23A)" is used.

The operation of the ceiling end fixture according to claim 1 will be described. When fixing the wall surface plate (13) to the wall of the building frame (10), swallow the upper end of the wall surface plate (13) into the wall swallowing part (22) of the ceiling end fixing tool (20) to support it, and then perform the fixing work. All you have to do is make it easier. Also, when fixing the ceiling surface plate (16) to the building frame (10), the wall-side end of the ceiling surface plate (16) is swallowed by the ceiling plate swallowing part (21) of the ceiling end fixture (20) to support it. After that, the fixing work should be done, which makes the work easier.

When assembled, the ceiling end fixture
The ventilation hole (23A) provided in the ventilation part (23) of (20) allows the air in the upper and lower spaces of the ceiling to circulate. Ventilation area due to fire
When the (23) is heated, the expansive material (24) expands due to the heat without burning, and blocks the flow of air through the flow hole (23A). Therefore, it is possible to delay the fire from reaching the ceiling.

The ceiling end fixing device according to claim 2 is a technical limitation of the ceiling end fixing device according to claim 1, and is provided in the ventilation part (23) of the ceiling end fixing device (20). Is the distribution hole (23
The cover part (23
It is characterized by having B). Next, the operation of the ceiling end fixing device according to the second aspect will be described while referring to differences from the operation of the ceiling end fixing device according to the first aspect.

That is, the ventilation part (2
The cover portion (23B) provided in 3) prevents the flow hole (23A) from being directly visible from below, thereby improving the appearance quality.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to embodiments and drawings. The drawings used here are FIG. 1 and FIG. FIG. 1 is a vertical sectional view showing a normal state in one embodiment of the present invention. FIG. 2 is a vertical cross-sectional view showing a state in which a fire has occurred in the embodiment of the present invention.

First, the configuration of the embodiment will be described with reference to FIG. The ceiling end fixture 20 of this embodiment is an extruded product of an aluminum alloy located between the outer wall of the building and the eaves, and is provided on the eaves board 16 that forms the surface of the eaves of the building frame 10. Ceiling board swallowing portion 21 for swallowing the end portion on the wall side to support the eaves roof 16
And a wall swallowing portion 22 for swallowing the upper end portion of the siding material 13 forming the surface of the wall of the building body 10 to support the siding material 13, and a ceiling board swallowing portion 21 and a wall swallowing portion 22. And a ventilation part 23 for circulating air in the upper and lower spaces with the eaves top plate 16 as a boundary, and is a member having a longitudinal direction in the direction perpendicular to the plane of FIG.

The building frame 10 in this embodiment is
It is formed by using the wall panel 11, the eaves top plate 16 is fixed to the wall panel 11 via the field edge 15, and the siding material 13 is attached to the wall panel 11 via the spacer 12 as a spacer.
Has been fixed to. The ceiling plate swallowing portion 21 of the ceiling end fixture 20 includes a lower surface support portion 21A that supports the lower surface of the eaves roof 16 on the wall side, and an end surface contact portion 21B that abuts the wall side end surface of the eaves roof 16. And the ceiling edge fixture 20
The vertical cross-sectional shape is substantially U-shaped due to the frame fixing portion 21C for fixing to 5. The end face contact portion 21B has
The end surface on the wall side of the eaves top plate 16 does not always come into contact with
It may come into contact when a dimensional error occurs.

The wall swallowing portion 22 of the ceiling end fixture 20
Is the anti-wall panel 11 at the upper part of the siding material 13.
A surface support portion 22A for supporting the side surface, an upper end surface contact portion 22B for contacting the upper end surface of the siding material 13, and a frame fixing portion 22C for fixing the ceiling end fixture 20 to the wall panel 11. Therefore, the vertical cross-section has an inverted U shape. The upper end surface abutting portion 22B is also the siding material 13
The upper end surface of the above does not always come into contact, but may come into contact when a dimensional error occurs.

The ventilation part 23 of the ceiling end fixture 20 is formed by extending from the frame fixing part 22C of the ceiling plate swallowing part 21 to the upper end face abutting part 22B of the wall swallowing part 22, and the longitudinal direction. Discontinuous through holes are provided (in the direction perpendicular to the paper surface of the drawing). This through hole is a circulation hole 23A for circulating the air in the upper and lower spaces of the ceiling. The cover portion 23B for making the circulation hole 23A invisible directly from below is provided on the lower surface support portion 2 of the ceiling plate swallowing portion 21.
It is formed so as to extend 1A. Further, when the ventilation part 23 is heated, the expansion member that expands without burning due to the heat when the ventilation part 23 is heated and blocks the flow of the air in the distribution hole 23A at a position corresponding to the distribution hole 23A on the upper surface of the lower surface support part 21A. 24 are provided.

Next, the operation and effect of the above-described embodiment will be described with reference to FIGS. 1 and 2. Wall panel 11 of building frame 10 with siding material 13
When fixing to, the upper end thereof may be swallowed and supported by the wall swallowing portion 22 of the ceiling end fixture 20 and then the fixing work may be performed via the spacer 12. That is, since the fixing work may be performed while the upper part of the surface of the siding material 13 on the side opposite to the wall panel 11 is brought into contact with the surface support portion 22A, the work is facilitated. Even if the upper end surface of the siding material 13 does not contact the upper end surface contact portion 22B, the siding material 13 can be stored in such a manner that the upper part of the surface opposite to the wall panel 11 contacts the surface support portion 22A. So
The error in the height direction can be absorbed.

In addition, the eaves top plate 16 is attached to the field edge 1 of the building frame 10.
When fixing to 5, the end on the wall side may be swallowed and supported by the ceiling plate swallowing portion 21 of the ceiling end fixture 20 before the fixing work. That is, since the fixing work may be performed so that the lower surface of the eave top plate 16 on the side of the wall panel 11 is supported by the lower surface support portion 21A, the work is facilitated.
Even if the end surface of the eaves roofing material 16 on the side of the wall panel 11 does not contact the end surface abutting portion 21B, as a housing of the eaves roofing material 16, the lower surface of the wall panel 11 side is supported by the lower surface support portion 21A. Therefore, the error in the horizontal direction can be absorbed.

Since the cover portion 23B provided in the ventilation portion 23 of the ceiling end fixture 20 prevents the circulation hole 23A from being directly visible from below, the appearance quality is improved. When the assembly is completed, the circulation hole 23A provided in the ventilation part 23 of the ceiling end fixture 20 is
Circulate the air above and below the ceiling.

When the ventilation section 23 is heated by a fire or the like, as shown in FIG. 2, the expansive material 24 is expanded by the heat without burning and blocks the flow of air through the flow holes 23A. Therefore, it is possible to delay the fire from reaching the ceiling. Next, variations of the above-described embodiment will be described. In the above embodiment, the ceiling end fixture 20 is described as being used for the eaves roof fixing structure, but the present invention can also be used for an indoor ceiling. When used for the ceiling in the room, the indirect lighting device can be arranged in a portion of the ventilation section 23 where the circulation hole 23A and the expansion material 24 do not exist.

[0025]

According to the first aspect of the present invention, the ceiling plate can be easily fixed and the siding material can be easily fixed without impairing the function of closing the ventilation passage of the ceiling when a fire occurs. An end fixture could be provided. Further, according to the invention as set forth in claim 2, it is possible to further provide a ceiling end fixture for improving the appearance quality by making the ventilation passage invisible from below.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing a normal state in an embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view showing a state in which a fire has occurred in the embodiment of the present invention.

FIG. 3 is a vertical cross-sectional view showing an embodiment of a ceiling ventilation structure disclosed in JP-A-7-42299.

FIG. 4 is a perspective view showing an embodiment of a ceiling ventilation structure disclosed in JP-A-7-42299.

[Explanation of symbols]

1 Ceiling support bracket 2 Non-combustible ceiling plate 3 Non-combustible volume expansion material 4 Spacer 5 Non-combustible wall 6 Building frame 7 Ventilation passage 10 Building frame 11 Wall panel 12 Furnace edge 13 Wall surface plate (siding material) 15 Field edge 16 Ceiling table Face plate (eave top plate) 20 Ceiling end fixing tool 21 Ceiling plate swallowing part 21A Lower surface supporting part 21B End face abutting part 21C Frame fixing part 22 Wall swallowing part 22A Surface supporting part 22B Top end abutting part 22C Body fixing part 23 Ventilation Part 23A Circulation hole 23B Cover part 24 Expansive material

Claims (2)

[Claims] 1. A ceiling end part fixing tool which is located between a wall and a ceiling, and swallows an end part on the wall side of a ceiling surface plate forming a surface of the ceiling of a building frame to support the ceiling surface plate. Between the ceiling plate swallowing part for supporting the wall surface plate by swallowing the upper end part of the wall surface plate that forms the surface of the wall of the building frame, and between the ceiling plate swallowing part and the wall swallowing part And a ventilation part for circulating the air in the upper and lower spaces with the ceiling surface plate as a boundary.The ventilation part has a circulation hole for circulating the air in the upper and lower spaces of the ceiling and the ventilation part does not heat up. The ceiling end fixture is provided with an expansion material that expands without being burned by the heat and blocks the flow of air in the flow hole when the heat is applied. 2. The ceiling end fixing device according to claim 1, wherein the ventilation part of the ceiling end fixing device is provided with a cover part for making the circulation hole not directly visible from below.