JPH0645069U - Fire door - Google Patents

Abstract

(57) [Summary] [Purpose] The opening where the plate glass is installed is well closed. [Structure] An opening 2 is provided in a central portion of a fire door body 1.
A metal receiving member 3 is provided on the opening edge of the opening 2. The plate glass 5 is attached to the opening 2 by locking the peripheral edge of the plate glass 5 in the mounting recess 4 provided in the receiving member 3. A decorative cover 6 that covers the receiving material 3 exposed in the opening 2 is attached to the opening edge of the opening 2. Further, the decorative cover 6 may be provided with a drain hole for draining water.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a fire door.

[0002]

[Prior art]

 Conventionally, various types of fire doors have been provided, for example, the one shown in FIG. In this case, an opening 2 is provided at the center of a metal fire door main body 1, and a plate glass 5 is attached to the opening 2. The plate glass 5 is attached to the opening 2 by fixing a pair of projections 21 made of steel on the inner peripheral surface of the metal frame member 20 installed at the opening edge of the opening 2 with screws 22. The plate glass 5 is attached to the opening 2 so that the peripheral edge of the plate glass 5 is fitted into the locking recess 23 formed between the pair of protrusions 21 via the sealing material 24. A decorative cover 6 is attached to the opening edge of the opening 2, and the decorative cover 6 covers the side surface of the projection 21 to improve the appearance of the attachment portion of the projection 21.

[0003]

[Problems to be solved by the device]

 However, in the conventional example as described above, the end surface of the projection 21 is exposed in the opening 2, and the head of the fixing tool 22 is exposed in the opening 2. Even though the decorative cover 6 is attached, there is a problem in that the end face of the metallic projection 21 is visible at the opening edge of the opening 2 in which the plate glass 5 is installed and the appearance is not good.

The present invention is intended to solve the above problems, and an object of the present invention is to provide a fire door having a good appearance by properly closing the opening edge of the opening.

[0005]

[Means for Solving the Problems]

 In the present invention, in order to achieve the above object, an opening 2 is provided at the center of the fire door body 1, a metal receiving member 3 is provided at the opening edge of the opening 2, and a receiving member provided on the receiving member 3 is provided. The peripheral edge of the plate glass 5 is locked in the mounting recess 4, the plate glass 5 is attached to the opening 2, and the decorative cover 6 that covers the receiving material 3 exposed in the opening 2 is provided at the opening edge of the opening 2. It was attached to.

Further, the decorative cover 6 may be provided with a drain hole 7 for draining water.

[0007]

[Action]

 As a result, the decorative cover 6 covers the metal receiving member 3, the metal receiving member 3 is not exposed in the opening 2, and the metal receiving member 3 is visible in the opening 4. The external appearance of the mounting portion of the plate glass 5 is not damaged.

[0008]

【Example】

 Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments. As shown in FIG. 2, the fireproof door is mainly composed of a fireproof door body 1 with a fireproof plate glass 5 fitted in the center thereof. As shown in FIG. 1, the fire door main body 1 is configured by arranging a core material 1b having fire resistance between a pair of outer plates 1a formed of steel plates, and an opening 2 is provided in a central portion. Has been. On the periphery of the opening 2, a metal receiving member 3 made of steel is provided, and the receiving member 3 is provided with a mounting recess 4 into which the peripheral edge of the plate glass 5 is fitted. .

The receiving member 3 has the connecting pieces 8 at both ends arranged along the inner surface of the outer plate 1 a, and the connecting piece 8 a arranged on the indoor side of the fire door main body 1 together with the leaf spring 9 is fixed to the outer plate 1 a by the fastener 10. It is connected and fixed to. Further, the connecting piece 8b arranged on the indoor side of the fire door body 1 is connected and fixed to the outer plate 1a by a fastener 12 together with a frame 11 arranged on the indoor side of the outer plate 1a.

A plate glass 5 installed in the opening 2 has impact resistance and fire resistance in which a net material (not shown) is embedded, and the peripheral edge is attached to the mounting recess 4 of the receiving material 3. It is mounted inside and is mounted in the mounting recess 4 by the beats 13 and 14 arranged on the front and back surfaces of the plate glass 5. Here, the bead 13 arranged between the decorative cover 6 and the plate glass 5 is arranged after the beet 14 arranged between the frame and the plate glass 5 is attached.

A decorative cover 6 having a substantially L-shaped cross section is attached to the opening edge of the opening 2. The decorative cover 6 covers the receiving member 3 exposed in the opening 2, and thus the external appearance is improved. It ’s not possible. The decorative cover 6 is configured by integrally projecting a cover piece 6b from one end of a substantially U-shaped cover body 6a having locking pieces 15 at both ends, and a leaf spring so as to cover the leaf panel 9. It is attached to the opening edge of the opening 2 so as to cover the receiving member 3 exposed in the opening 2 by the covering piece 6b by engaging the locking piece 15 with the locking piece 9. That is, it is possible to easily attach the cover body 6a from the outside by engaging the locking piece 15 with the leaf spring 9 and fitting the cover body 6a into the leaf spring 9 from the outside. The decorative cover 6 is provided with a drainage hole 7 so that rainwater that enters the decorative cover 6 can be drained through the drainage hole 7 without entering the fire door main body 1 side. The drainage hole 7 provided in the decorative cover 6 is provided at the inner end portion of the cover body 6a in the portion arranged on the upper side of the opening 2 as shown in FIG. The lower end of the cover is provided at the outer end of the cover body 6a. A drainage groove 16 is provided in the cover piece 6b that is integrally projected from the cover body 6a, and the drainage groove 16 communicates with the drainage hole 7. The rainwater that enters the cosmetic cover 6 is drained through the drainage groove 16 and the drain hole 7, so that the rainwater does not enter the fire door body 1 side.

[0012]

[Effect of device]

 According to the present invention, as described above, an opening is provided in the center of the fire door main body, a metal receiving member is provided at the opening edge of the opening, and the peripheral edge of the plate glass is provided in the mounting recess provided in the receiving member. Since the plate glass is locked and attached to the opening, and the decorative cover that covers the receiving material exposed in the opening is attached to the opening edge of the opening, the metallic receiving material is covered by the decorative cover. Since the receiving material will not be exposed inside the opening because it will be covered, the opening edge of the opening can be well closed and a fire door with a good appearance can be provided.

Further, if the makeup cover is provided with a drainage hole for draining water, even if the makeup cover is arranged on the outdoor side, the rainwater that goes around inside the makeup cover is drained. The water will be drained by the water and will not penetrate into the fire door body, and the waterproofness of the opening edge of the opening can be improved.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a front view showing the overall configuration.

3 is a cross-sectional view taken along the line AA in FIG.

FIG. 4 is a sectional view taken along line BB in FIG.

FIG. 5 is a cross-sectional view of a conventional example.

[Explanation of symbols]

 1 Fireproof door body 2 Opening part 3 Receiving material 4 Mounting recess 5 Plate glass 6 Decorative cover 7 Drain hole

Claims (2)

[Scope of utility model registration request] 1. An opening is provided in the center of the fire door body,
A metal receiving material is provided on the opening edge of the opening, the peripheral edge of the plate glass is locked in the mounting recess provided on the receiving material, the plate glass is attached to the opening, and the receiving material is exposed inside the opening. A fire door made by attaching a decorative cover that covers the opening edge of the opening. 2. The fire door according to claim 1, wherein the decorative cover is provided with a drain hole for draining water.