JP2000220363A - Sash - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sash whose airtight member is excellent in a follow-up property to improve the airthightness and further, which is favorable in the cost. SOLUTION: This sash is provided with a square frame body 2 formed of the top and bottom rails 2a, 2b, respectively and the right and left stiles 2c, 2c, respectively sliding doors 3a, 3b openably fitted in the frame body 2, and an airtight member 16 provided between the frame body 2 and the sliding doors 3a, 3b. The airtight member 16 is constituted of a fitting part 16a attached to either the frame body 2 or one of the sliding doors 3a, 3b, a semirigid or rigid sliding contact part 16b slidably getting into contact with the other side, and a flexible connection part 16c connecting the sliding contact part 16b and the fitting part 16a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sash, and more particularly, to a sash having an improved structure of an airtight member.

[0002]

2. Description of the Related Art A sash such as a window sash provided at an opening of a building frame includes a rectangular frame formed of an upper frame, a lower frame, and right and left vertical frames mounted on the frame of the building, and a sash which is opened and closed inside the frame. It has a shoji that can be mounted as possible. An airtight member for airtightly sealing between the fixed side and the movable side is provided between the frame and the shoji.

[0003] The hermetic member of the conventional sash has a mounting portion mounted on one of the frame and the shoji, and a sliding portion sliding on the other. In order to reduce the frictional resistance of the sliding contact portion and improve the operability of opening and closing the sash, the sliding contact portion is formed of acrylic-modified polyvinyl chloride as described in, for example, JP-A-10-103998. Or Japanese Patent Application Laid-Open No. 9-60445.
As described in Japanese Patent Application Laid-Open Publication No. H11-209, there has been proposed a method in which a sliding member having airtightness is applied or impregnated to a sliding contact portion.

[0004]

However, in the above-described sash, the airtight member has only two parts, the mounting part and the sliding contact part, and the sliding contact part is hard, so that the elasticity is poor. It was inferior in followability, and there was a limit in achieving airtightness. Also, the sliding contact part can be made of special resin,
Alternatively, a special process for applying or impregnating the sliding material on the sliding contact portion is required, resulting in an increase in cost.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a sash which is excellent in followability of an airtight member, can improve airtightness, and is advantageous in cost. I do.

[0006]

Means for Solving the Problems In the present invention, claim 1 is provided.
The sash according to the above, the upper frame attached to the frame of the building, a rectangular frame consisting of a lower frame and left and right vertical frames, a shoji that can be opened and closed in the frame, provided between the frame and the shoji An airtight member, wherein the airtight member includes an attachment portion attached to one of the frame and the shoji, a semi-rigid or hard sliding contact portion slidably contacted with the other, and the sliding contact portion and the attachment. It is characterized by comprising a soft connecting portion for connecting the portions.

[0007]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

1, 3 and 4 showing an embodiment in which the present invention is applied to a resin sash, reference numeral 1 denotes a resin sash, and this resin sash 1 is a square frame ( A sash frame 2 and pull-through sliding doors 3a and 3b that can be opened and closed in the frame body 2 are provided. The frame 2 includes an upper frame 2a, a lower frame 2b, and left and right vertical frames 2c, 2c made of a synthetic resin, for example, vinyl chloride, and these frame members preferably have the same cross-sectional shape.

An upper frame 2a, a lower frame 2c and left and right vertical frames 2
The frame members constituting c and 2c are separated by a partition wall 2p between an inner surface portion (upper surface portion in the lower frame) 2x and an outer surface portion (lower surface portion in the lower frame) 2y in order to impart rigidity and heat insulation. It has a hollow structure having a plurality of, for example, three hollow portions 2z, and its inner surface 2x has, for example, a ridge 4a having an H-shaped cross section.
4b are formed in two rows along the longitudinal direction. The ridges 4a, 4b are rails for guiding and supporting the inner and outer sashes 3a, 3b in the upper frame 2a and the lower frame 2b so as to be movable in the left-right direction. It is preferable that the two rails 4a and 4b composed of the ridges have substantially the same height in order to make the sizes of the inner and outer shojis 3a and 3b the same. It is preferable that a rail member 15 made of extruded metal, for example, an aluminum alloy, is attached to the upper ends of the ridges 4a, 4b of the lower frame 2b.

At the indoor end and the outdoor end of the frame material, inward ribs 5, 6 are formed along the longitudinal direction. The inward rib 5 at the outdoor end of the frame member is a screen rail for guiding and supporting a screen door (not shown) in the upper frame 2a and the lower frame 2b so as to be movable in the left-right direction. The frame 2 is attached to the frame T of the building with a fastener such as a screw at a substantially middle portion of the outer surface portion 2y of the frame material in the indoor / outdoor direction with the indoor side inserted into the opening of the building. Outwardly extending ribs 7 are formed along the longitudinal direction of the frame material.

At the lower portion of the lower frame 2b, a reinforcing member 8 for supporting the lower portion of the lower frame 2b and covering and supporting the outward ribs 7 from the outside is attached with screws 9, and the reinforcing member 8 is attached to the frame T Is fixed to the window stand Ta with a fixing tool such as a screw. The reinforcing member 8 is formed of a material having high rigidity, for example, an extruded member of an aluminum alloy. In order to prevent the lower frame 2b from being deformed by the weight of the shoji 3a, 3b, the lower frame 2b
It is preferable that a core member 10 made of, for example, an extruded aluminum alloy material is fitted into the hollow portion 2z.

In an aluminum sash, the lower frame is generally formed to have a stepped cross section in order to improve drainage. However, in the resin sash 1 of the present embodiment, a frame having the same cross sectional shape is used. Since the material is used, if the lower frame 2b has a stepped cross-sectional shape, the upper frame 2a and the vertical frame 2c also have a stepped cross-sectional shape, making the appearance worse, and the size of the shojis 3a, 3b must be changed. The material is not formed in a stepped cross section, and the ridges 4a, 4b and the inward ribs 5,
The inner surface 2x except 6 is formed substantially flat. In addition,
It is preferable that the inner surface 2x of the frame material is slightly inclined downward to the outside of the room in consideration of drainage at the upper surface of the lower frame 2b.

An upper frame 2a, a lower frame 2b and left and right vertical frames 2
The ends 2w are cut at an angle of 45 degrees so that the adjacent ends 2w are butt-joined, and the adjacent ends 2w are butt-welded to improve the airtightness of the joint. A rectangular frame 2 is formed. Since the upper frame 2a, the lower frame 2b, and the left and right vertical frames 2c, 2c have the same cross section, they can be extruded with the same molding die, reducing the manufacturing cost and joining the adjacent end portions 2w. In this case, the bonding area can be increased, and the bonding strength can be improved.

On the other hand, the shoji screens 3a and 3b are made of an upper frame 11a, a lower frame 11b and left and right vertical frames 11c and 1 made of synthetic resin.
It is mainly composed of a square frame 11 made of 1d and a glass panel 12 fitted inside the frame 11. An upper frame 11a, a lower frame 11b and left and right vertical frames 11c,
11d is formed in the same cross-sectional shape as in the case of the frame member 2, and it is preferable that the adjacent ends 11w are abutted and welded. In addition, upper frame 11a, lower frame 11
b and the left and right vertical frames 11c and 11d have a hollow structure having a hollow portion 11z, and a core material 13 is provided in the hollow portion 11z.
It is preferable that a, 13b, and 13c are fitted.
As the glass panel 12, a double-glazed glass (pair glass) having heat insulating properties is preferable. Lower frame 11 of shoji 3a, 3b
A door roller 14 is attached to b. The vertical frame 11c,
Of 11d, 11c is also called a door frame and 11d is also called a mat frame.

An airtight member 1 is provided between the frame 2 and the shojis 3a and 3b to hermetically seal the space therebetween.
6 are provided. As shown in FIGS. 2 to 5, the airtight member 16 is attached to one of the frame 2 on the fixed side and the shoji 3a, 3b on the movable side (shoji 3a, 3b in the illustrated example). Mounting portion 16a, and a semi-rigid sliding contact portion 16b slidingly contacting the other (the frame 2 in the illustrated example).
And a soft connecting portion 16c connecting the sliding portion 16b and the mounting portion 16a. In the illustrated example, the upper frame 11a and the lower frame 11 constituting the frame 11 of the shoji screens 3a and 3b are shown.
An airtight member is attached to each of the door frame b and the door frame 11c along the longitudinal direction, and the sliding contact portion 16b of the airtight member 16 is slidably contacted with the corresponding ridges 4a, 4b of the frame material.

The upper frame 11a and the lower frame 1 of the shoji screens 3a and 3b.
1b and the door frame 11c are the upper frame 2
a, ridges 4 provided on lower frame 2b and vertical frame 2c
a,. The groove 17 is opposed to the groove 4b. At both edges 17a of the groove 17, a mounting groove 18 which opens in the same direction as the groove 17 is formed. The opening end of the mounting groove 18 is preferably formed to be narrow in an inward flange shape. The mounting portion 16a of the airtight member 16 is provided with the mounting groove 1
8 and a fitting portion 16n formed into, for example, a hollow diamond-shaped cross section so as to be fitted into the mounting groove 18 and held by its own elastic force. I have. The mounting portion 16a is made of semi-rigid synthetic resin, for example, semi-rigid vinyl chloride.

The contact portion 16m slightly protrudes inside the groove portion 17, and one end of the connecting portion 16c is integrally connected to the inner surface of the protrusion 16t. The connecting portion 16c is formed by bending into a cross-sectional shape so that the distal end side of the other end is inclined obliquely outward (see FIG. 5),
The sliding contact portion 16b is formed integrally with the tip side. It is preferable that a groove 16u is provided on the inner surface of the bent portion of the connecting portion 16c so as to be easily bent. The connecting portion 16c is made of a semi-rigid synthetic resin having elasticity, for example, semi-rigid vinyl chloride.

It is preferable that the tip of the sliding contact portion 16b is formed in a curved shape. The sliding contact portion 16b is made of semi-hard resin, for example, semi-hard vinyl chloride. The airtight material portion 16 includes a mounting portion 16a, a connecting portion 16
It is extruded and formed so as to integrally have the sliding contact portion 16c and the sliding contact portion 16b. When the airtight member 16 is disposed outside the room, in order to further improve the airtightness, the connecting portion 16c and the sliding contact portion 16b are formed not only in one stage but also in a plurality of stages, for example, two stages. Is also good.

Next, the operation of the resin sash 1 having the above configuration will be described. When attaching the resin sash 1 to the building frame T of the building, first, the reinforcing member 8 is attached and fixed to the lower part of the lower frame 2 b of the frame 2 with the screw 9. Next, the indoor side of the frame 2 is fitted into the opening of the frame T of the building from outside, and the outward rib 7 is brought into contact with the outdoor surface of the frame T, and the upper frame 2a and the left and right vertical frames 2c, 2c are formed. The outward ribs 7 are fixed to the frame T of the building, and the reinforcing member 8 is fixed to the window Ta of the frame T with a fixing tool such as a screw or a nail. Then, the sliding doors 3a and 3b may be attached to the frame 2.

According to the resin sash 1, the building frame T
Frame 2a, lower frame 2b and left and right vertical frames 2 attached to
c, 2c, a sliding frame 3a, 3b mounted in the frame 2, the frame 2 and the sliding doors 3a, 3
b, an airtight member 16 provided between the frame 2 and one of the frame 2 and the shoji 3a, 3b, and a semi-rigid sliding contact portion slidingly contacting the other. 16b and the soft connecting portion 16c connecting the sliding portion 16b and the mounting portion 16a, the airtight member is excellent in followability, the airtightness can be improved, and the airtight member can be relatively easily formed. And can be manufactured at low cost,
It is also advantageous in terms of cost.

That is, the airtight member 16 is attached to the mounting portion 16a.
, The sliding portion 16b, the mounting portion 16a and the sliding portion 16
b, and a soft connecting portion 16c between the attaching portion 16a and the sliding contact portion 16b.
Is provided, the sliding contact portion 1 is formed by the elastic force of the connecting portion 16c.
6b can be brought into close contact with the surface to be slid (the frame or the sash), so that the followability or the follow-up adhesion can be improved, and the airtightness can be improved. Further, since the sliding contact portion 16b is semi-rigid and slippery, the sliding door 3a. The opening / closing resistance of 3b is reduced, and the operability of the opening / closing operation can be improved. Further, the airtight member 16 includes a semi-rigid mounting portion 16a, a soft connecting portion 16c, and a semi-rigid sliding contact portion 16b, which are made of relatively inexpensive materials such as semi-rigid vinyl chloride and soft vinyl chloride. Since it can be extruded integrally, cost can be reduced.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above-described embodiments, and various design changes and the like can be made without departing from the gist of the present invention. Is possible. For example, the cross-sectional shapes of the upper frame 2a, the lower frame 2b and the left and right vertical frames 2c, 2c constituting the frame 2, and the upper frame 11a, the lower frame 11b constituting the frame 11
The cross-sectional shapes of the left and right vertical frames 11c, 11c are not limited to those in the above-described embodiment. Further, the frame 2 attached to the frame T of the building has a semi-external structure,
An external structure may be used. In addition, the present invention can be applied to, for example, an aluminum sash, a composite sash in which aluminum and a synthetic resin are combined, and the like in addition to the resin sash. Furthermore, in the above-described embodiment, an example is shown in which the airtight member 16 is attached to the side of the shoji 3a, 3b, but the airtight member 16 may be attached to the frame 2 side. The sliding portion 16b may be made of a hard resin, for example, hard vinyl chloride.
Further, the present invention can be applied not only to a sliding window but also to a sliding window.

[0023]

In summary, according to the sash of the present invention,
An upper frame attached to a building frame, a rectangular frame composed of a lower frame and left and right vertical frames, a shoji that can be opened and closed in the frame, and an airtight member provided between the frame and the shoji. The airtight member includes a mounting portion attached to one of the frame and the shoji, a semi-hard or hard sliding portion slidingly contacted with the other, and a soft portion connecting the sliding portion and the mounting portion. Because of the connecting portion, the airtight member is excellent in followability, the airtightness can be improved, the opening / closing force of the shoji can be reduced, and the airtight member can be manufactured relatively easily and inexpensively, and the cost can be reduced. This is also advantageous.

[Brief description of the drawings]

FIG. 1 is a schematic front view showing an embodiment in which the present invention is applied to a resin sash.

FIG. 2 is a partial cross-sectional view showing a main part of the present embodiment.

FIG. 3 is an enlarged sectional view taken along line AA of FIG. 1;

FIG. 4 is an enlarged sectional view taken along line BB of FIG. 1;

FIG. 5 is an enlarged sectional view of an airtight material.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Resin sash (sash) 2 Frame 2a Upper frame 2b Lower frame 2c Vertical frame 3a, 3b Shoji 16 Airtight member 16a Attachment part 16b Sliding contact part 16c Connection part

Continuation of the front page (72) Inventor Masato Kameda 2-1-1 Oshima, Koto-ku, Tokyo Tosterm Co., Ltd. F-term (reference) 2E036 AA02 BA01 CA03 DA02 DA09 EB02 EC03 GA02 HA01 HB05

Claims (1)

[Claims] 1. A square frame comprising an upper frame, a lower frame, and left and right vertical frames attached to a building frame of a building, a shoji which is openably and closably mounted in the frame, and provided between the frame and the shoji. An airtight member, wherein the airtight member includes an attachment portion attached to one of the frame and the shoji, a semi-rigid or hard sliding contact portion slidably contacted with the other, and the sliding contact portion and the attachment. A sash characterized by comprising a soft connecting portion for connecting the portions.