JP2560159Y2 - Glass fit-in type airtight holding mechanism - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to a mullion type car.
The present invention relates to a glass-fitting airtight holding mechanism in a ten-wall.

[0002]

2. Description of the Related Art In recent years, there has been a tendency for high airtightness to be required for curtain walls in accordance with high performance. Conventionally, a mullion type curtain wall is provided with a pressing edge for holding down the glass, and the pressing edge holds down the glass via a seal material filled between the glass and the glass. The pressing edge for holding the glass is in contact with the mullion fixed to the skeleton side. An airtight packing is provided at a contact portion between the pushing edge and the mullion, and the airtight packing seals between the pushing edge and the mullion. Therefore, by sealing between the pushing edge and the mullion, the external pressure side, which is the outdoor side, and the internal pressure side, which is the indoor side, are shut off, and the airtightness of the curtain wall is maintained. Has become.

[0003]

However, since the pressing rim abutting on the mullion side is only pressed from the glass side via the seal material (subject to a reaction force),
The sealing gasket cannot be pressed sufficiently to the mullion side, and in some cases, it is pushed back by the repulsive force of the sealing gasket, creating a gap in the abutting portion between the pushing edge and the mullion, causing air leakage. There was a possibility.

The present invention has been made in view of the above circumstances, and provides a glass front-fitting type airtight holding mechanism capable of fixing a pushing edge and a mullion after glass insertion and suppressing a repulsive force of an airtight packing. Accordingly, an object of the present invention is to improve the airtightness without impairing the appearance.

[0005]

In order to achieve the above-mentioned object, the structure of the glass front-fitting airtight holding mechanism according to the present invention is as follows.
An edge is provided inside the glass room and outside the mullion.
Provided on both sides of the support piece with the support piece protruding
Is, the support piece the pressing edge in the glass destination-fit airtight holding mechanism is brought into contact with mullions through the airtight packing for blocking the outdoor side and indoor side, that the push rim is mounted
The upper end of the indoor side is formed on the taper surface on both sides of the appropriate position of
Small block-shaped holding material is fixed, and the pressing edge is
It has a vertical dimension slightly smaller than the dimension between the frame and the lower
The vertical protruding piece that contacts the supporting piece has a pair with the holding member.
A notch is provided at a corresponding position, and the pressing edge is provided on the protruding piece.
The notch provided is formed in the push piece provided in the support piece of the mullion.
Even if the pressing edge is slid downward, aligned with the material
Is the upper edge of the notch of the protruding piece on the taper surface of the holding material.
Then, it is pressed to the indoor side and engages with the indoor side
It is characterized in that it is in close contact with the airtight packing in the combined state .

[0006]

[Function] Match the position of the notch to the holding material with the notch,
In this state, the pressing edge is slid downward. When the pressing edge slides downward, the upper edge of the notch contacts the holding material.
And the pushing edge slides downward,
The upper edge of the notch engages with the retainer, and the
Moved to the side. As the pushing edge is moved to the indoor side,
The pressing edge is pressed against the repulsion of the hermetic packing, so that the pressing edge does not separate from the mullion due to the repulsive force of the hermetic packing. Are always in close contact.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a preferred embodiment of the present invention; FIG. 1 is a cross-sectional view of a curtain wall representing a glass-fitting airtight holding mechanism according to the present invention, FIG. 2 is an explanatory view showing a pressing edge before fixing, and FIG. 3 is an explanatory view showing a pressing edge after fixing. FIG. FIG.
As shown in FIG. 1, a pressing edge 3 is provided on the indoor side between the glass 1 adjacent to the right and left across the joint, and a sealing material 5 is provided at the end of the glass 1 on the contact surface of the pressing edge 3 on the left and right. Is to be held down. The glass 1 is located between the upper and lower frames.
This is a so-called first-fit type, which is fitted before the pressing rim 3 is fixed to the rim. The pushing edge 3 is a support projecting to the outside of the mullion 7.
It is provided on both sides of the supporting piece with the holding piece 11 therebetween,
A gas-tight packing 9 is provided between the mullion 7 and the indoor side . Therefore, the portion a between the glass members 1 on the external pressure side and the central portion b of the pressing edge 3 are isolated from the outer peripheral portion c of the pressing edge 3 on the internal pressure side by the airtight packing 9.

A support piece 11 protruding outside the mullion 7 outdoors
Is projected from the joint between the glass 1 to the outside
I have. The contact surfaces of the pressing rim 3 arranged on both sides of the support piece 11
A protruding piece 13 sandwiching the support piece 11 is formed at the end.
The tip of 3 is adapted to engage with the engagement groove formed in the support piece 11 from the outdoor side.

By the way, the pressing edge 3 has a vertical dimension of upper and lower frames.
It is about 10mm smaller than the distance between
A clearance (movable allowance) is provided between the pressing edges 3, and the pressing edge 3 is slid downward by this clearance. In addition, this clearance,
And the gap between the glass 1 and the pressing edge 3 is as follows.
The holding member 15 and the projecting piece 19 to be described are engaged as shown in FIG.
After being set together , the seal is installed. On the other hand, a small block-shaped pressing member 15 is fixed to the left and right of the appropriate position of the supporting piece 11 with bolts 17 sandwiching the supporting piece 11, and the pressing material 15 is integrated with the mullion 7 side. The holding material 15 is, for example, an aluminum material, a rubber material,
Manufactured using nylon and other materials.

The pressing rim 3 is in contact with the support piece 11 of the mullion 7.
A protruding piece 19 extending in the vertical direction is provided.
Has a position corresponding to the holding member 15 fixed to the support piece 11.
A notch 21 is formed in the holder to receive the holding member 15.
The notch 21 is formed by, for example, bending the upper end of the pressing edge 3 into the upper frame.
And the pressing member 15 is aligned by the
In the pressed state, as shown in FIG.
Side is slightly closer to the indoor side than the outdoor side of the protruding piece 19.
To be placed. The protruding piece 19 is a set shown in FIG.
In this state, it is engaged with the holding member 15
I have. The side surface of the holding member 15 on the indoor side, that is,
At least the upper end of the contacting side has a tapered surface 15a (see FIG. 2).
2), and the pressing edge 3 is formed as shown in FIG.
Align the notch 21 of 19 with the holding material 15 and press
Pull the edge 3 to the indoor side and slide it down
Then, as shown in FIG.
When the part hits the holding member 15 and engages with it,
The rim 3 is moved to the indoor side.

In the glass tip-fitting type airtight holding mechanism thus constructed, after the glass 1 is fitted, the pressing edge 3
Is attached to the support piece 11 of the mullion 7, and the pressing edge 3 is directed downward.
, The upper edge of the notch 21
5 and the pressing edge 3 is further swung downward.
When riding, the upper edge of the notch 21 of the protruding piece 19 is tapered.
Pressing member pressed down and indoors along surface 15a
15 is engaged with the sealing rim 9
Adhered to. In this way, the pushing edge 3 is drawn toward the room side.
As a result, the pressing edge 3 is pressed against the repulsive force of the airtight packing 9, and the pressing edge 3 does not separate from the mullion 7 due to the repulsive force of the airtight packing 9. As a result, a gap between the pressing edge 3 and the mullion 7 does not occur, and the hermetic packing 9 is always in a close contact state, so that high hermeticity is maintained. The holding members 15 are attached to both sides of the support pieces 11 of the mullion 7.
Since it is covered with the pressing edge 3 to be exposed, it is not exposed, so that the appearance is not impaired.

[0012]

[Effect of the Invention] As described above, the glass tip-fitting airtight holding mechanism according to the present invention is provided with a pusher fixed to the mullion support piece.
Mario the pressing edge by notch of the protruding piece of the material and the pressing edge
When it is attached to the holding member and slides downward,
Since the upper edge of the notch of the piece engages, the pressing edge is
Drawn to be pressed against the repulsive force of the airtight packing, airtight packing is always close contact state, also can be improved even without airtightness detract from appearance.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a curtain wall showing a glass-fitting airtight holding mechanism according to the present invention.

FIG. 2 is an explanatory diagram showing a pressing edge before fixing.

FIG. 3 is an explanatory diagram illustrating a pressing edge after fixing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Glass 3 Pressing edge 7 Marion 9 Airtight packing 11 Supporting piece 15 Pressing material 19 Protrusion piece 21 Notch

Claims (1)

(57) [Scope of request for utility model registration] 1. A ridge is provided on the interior side of the glass and
The support piece projecting to the outside of the mullion is sandwiched
Provided on both sides, the glass destination-fit airtight holding mechanism in which the push rim is in contact with the mullions through the airtight packing for blocking the outdoor side and indoor side, an appropriate position of the supporting piece the push rim is mounted Both sides of
In addition, a small block shape with the upper end on the indoor side formed on the taper surface
The pressing member is fixed, and the pressing edge is located between the upper frame and the lower frame.
It has a vertical dimension slightly smaller than the dimension and abuts the support piece
Notch at the position corresponding to the holding material
The pressing edge is provided with a notch provided in the protruding piece.
Is aligned with the holding member provided on the support piece that is turned on.
Slid downwards so that the pushing edge is above the notch
The edge part is pushed to the indoor side along the taper surface of the holding material.
Pressed and engaged with the side surface of the holding member on the indoor side,
A glass-tight fitting airtight holding mechanism, which is in close contact with the packing .