JP2000160955A - Butt sash - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a butt sash preventing ventilation at a butt part when the sash is closed. SOLUTION: This butt sash 1 is provided with one butt stile 7 with a recessed part 11; the other butt stile 9 with a protruding part 19 fitted into the recessed part 11; and first airtight members 25, 26. One butt stile 7 is provided with abutting faces 38, 41 on the indoor side and outdoor side. The first airtight members 25, 26 are provided on at least one side of the indoor side and outdoor side with the protruding part 19 held in between, and provided with first abutting parts 31 abutting on the abutting faces 39, 41, and second abutting parts 33 abutting on the recessed part 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a butt sash in a sash such as a four-piece sash.

[0002]

2. Description of the Related Art It is generally known that a butt sash is closed by inserting a projection formed in one butt frame into a recess formed in one butt frame.

In Japanese Utility Model Publication No. Sho 54-23795, a rubber projection is provided on a butt frame of one of the sliding doors.
A configuration in which a rubber recess is provided in the butting frame of the other shoji and the two are butted together is disclosed.

[0004]

However, in the former technique, when the shoji is closed, a gap is formed between the projection and the recess, and the outside and the inside of the room are ventilated through this gap. There is. Further, according to the technique disclosed in the latter publication, when the shoji is closed, only the rubber concave and convex portions provided on the butt frame are brought into contact with each other. However, there is a disadvantage that a gap is generated between the two. Thus, if a gap is formed in the butted portion of the shoji when the shoji is closed, ventilation between the outside and the inside of the room occurs, so that insects enter the room from the outside and hinder indoor heat insulation.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a butt sash that can prevent ventilation at the butt portion when the sash is closed.

[0006]

In order to achieve the above-mentioned object, the invention according to claim 1 comprises one of a butt frame having a concave portion, another butt frame having a convex portion fitted into the concave portion, and a first butt frame. An airtight member, one of the butt frames has an abutting surface on the indoor side and the outdoor side of the concave portion, and the first airtight member is provided on at least one of the indoor side and the outdoor side sandwiching the convex portion, and the abutting surface has It is characterized by comprising a first contact portion that contacts and a second contact portion that contacts the recess.

According to the first aspect of the present invention, when the shoji is closed, the concave portion of one of the mating frames and the convex portion of the other mating frame fit together, and the first airtight member has the first contact. The contact portion abuts against the abutment surface of one of the butting frames, and the second abutment portion abuts against the inner surface of the recess.

Accordingly, the gap formed between the convex portion and the concave portion is closed at the two positions of the first contact portion and the second contact portion, so that the ventilation outside and inside the room is prevented, It is possible to prevent insects from entering from the outside and to enhance the indoor insulation.

According to a second aspect of the present invention, in the first aspect of the present invention, the recess has a second hermetic member on an inner surface thereof, and the second contact portion abuts on the second hermetic member. It is characterized by.

According to the second aspect of the present invention, since the second contact portion contacts the second hermetic member provided on the inner surface of the concave portion, the convex portion and the concave portion are formed by the contact between the first hermetic member and the second hermetic member. Can be more fully sealed to prevent ventilation.

According to a third aspect of the present invention, in the second aspect, the tip of the second contact portion is inclined toward the convex portion.

According to the third aspect of the present invention, since the second contact portion is inclined, the close contact between the second contact portion and the second hermetic member is enhanced when the sash is abutted and closed. The gap between the protrusion and the recess can be sufficiently sealed.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a butt sash according to an embodiment of the present invention. FIG.
Is a cross-sectional view showing an enlarged main part of a butt portion, FIG. 2 is a cross-sectional view of a butt sash according to the embodiment of the present invention,
FIG. 3 is an enlarged sectional view showing the first airtight member.

Butt-shoji 1 according to the present embodiment
Is a four-door sash in which two sets of sliding screens are combined.
And the other shoji 5 meet.

The butting frame 7 of one shoji 3 and the butting frame 9 of the other shoji 5 are formed in the same shape, and concave portions 11 and 13 are formed on the butting sides of both. Attachment 15 is attached to recess 13 on the other butting frame 9. The attachment 15 includes a foot portion 17 that engages with the concave portion 13 and a base portion 20 having a convex portion 19, and the convex portion 19 enters the concave portion 11 of one of the butt frames.

In the base portion 20, the outdoor portion 2 of the convex portion 19
One of the first airtight members 25 is held in the groove formed in 1, and the other first airtight member 26 is held in the groove formed in the indoor side portion 23 of the projection 19.

The attachment 15 is made of a resin material, and has a symmetrical shape on the indoor side and the outdoor side as is apparent from the figure. Can be attached.

The first airtight members 25 and 26 each have a mounting portion 27 mounted in a groove of the attachment 15,
First contact portion 3 protruding toward one butting frame 7 side
1 and a second contact portion 33. In the airtight member 25 on the outdoor side, the first contact portion 31 is located on the outdoor side, and the second contact portion 33 is located on the convex portion 19 side. Indoor airtight member 2
6 is such that the first contact portion 31 is located on the indoor side and the second contact portion 3
3 is located on the convex portion 19 side.

These first airtight members 25 and 26 are for closing a meandering gap formed between one of the butt frames 7 and the attachment 15, and when the shoji is closed, the first contact portions 31 and 26 are closed. The second abutting portion 33 abuts on one butting frame 7.

In the first airtight members 25 and 26, the first contact portion 31 has a tip inclined toward the second contact portion 33, so that the first contact portion 31 is easily crushed when it comes into contact with the butt frame. . The tip of the second contact portion 33 is inclined toward the convex portion 19 side, and is inclined with respect to the closing direction of the shoji.

In one of the mating frames 7, a recess 11 is provided.
The second airtight members 35 and 37 are attached to the outdoor side surface and the indoor side surface of the first airtight member 2, respectively.
5 is in contact with the second contact portion 33, and the second hermetic member 37 is
It is in contact with the second contact portion 33 of the airtight member 26.

Next, the operation of the present embodiment will be described. When the shoji is closed, the convex portion 19 of the other butting frame 9 enters the concave portion 11 of one butting frame 7. The first outdoor contact portion 31 abuts against the abutment surface 39, and the first indoor contact portion 31 abuts against the abutment surface 41 and is crushed. Since the first contact portion 31 is inclined obliquely, the first contact portion 31 easily falls down and is easily crushed, and when the sash is closed, the first contact portion 31 sufficiently abuts on the frame 7 by the elastic restoring force to close the gap and airtightly. can do.

When the shoji is closed, the second airtight member 3 is closed.
Each end of 5 and 37 abuts on the second abutment portion 33, but since the second abutment portion 33 is inclined along the closing direction of the shoji, the more abutting the shoji, the stronger the abutment and abutment. Keep the gap between the frames airtight.

In this embodiment, the meandering gap formed between the concave portion 11 and the convex portion 19 is formed by the first airtight member 25.
And each of the second hermetic members 26 abuts one of the mating frames at the two locations of the first contact portion 31 and the second contact portion 33 so as to be airtight. Can be airtight.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention.

For example, in the present embodiment, the first airtight members 25 and 26 are arranged on both sides of the convex portion 19, but the present invention is not limited to this, and the first airtight members 25 and 26 may be provided only on at least one of the indoor side and the outdoor side. The first contact part 31 and the second contact part 33 are
It does not have to be inclined.

[0027]

According to the first aspect of the present invention, when the sash is closed, the gap formed between the projection and the recess fitted together is the first contact portion and the second contact portion. Since it is closed by the contact portion, ventilation on the outside and inside of the room is prevented, thereby preventing insects from entering from outside and improving heat insulation.

According to the second aspect of the present invention, since the second contact portion comes into contact with the airtight member provided on the inner surface of the concave portion, the gap between the convex portion and the concave portion is formed by the contact between the airtight member and the airtight member. Can be kept more airtight.

According to the third aspect of the present invention, since the second contact portion is inclined, the second contact portion is sufficiently contacted by the recessed frame when the sash is abutted and closed. Can,
The gap between the projection and the recess can be kept sufficiently airtight.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a main part of a butt shoji.

FIG. 2 is a cross-sectional view of a butt sash.

FIG. 3 is a sectional view of a first airtight member.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 butt shoji 7 one butt frame 9 the other butt frame 11 concave portion 19 convex portion 25, 26 first hermetic member 31 first contact portion 33 second contact portion 35, 37 second hermetic member 39, 41 abutment surface

Claims (3)

[Claims] A first butting frame having a concave portion; a second butting frame having a convex portion fitted into the concave portion;
An airtight member, one of the butt frames has an abutting surface on the indoor side and the outdoor side of the concave portion, and the first airtight member is provided on at least one of the indoor side and the outdoor side sandwiching the convex portion, and the abutting surface has A butt sash, comprising: a first contact portion that abuts; and a second contact portion that abuts the recess. 2. The recess has a second hermetic member on its inner surface,
The butt sash according to claim 1, wherein a second contact portion is in contact with the second airtight member. 3. The butt sash according to claim 2, wherein a tip of the second contact portion is inclined toward the convex portion.