JP3062021B2 - Insulation sash - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat insulating sash having improved heat insulating properties.

[0002]

2. Description of the Related Art Examples of this type of heat insulating sash include Japanese Utility Model Laid-Open No. 55-56872 and Japanese Utility Model Laid-Open No. 62-1758.
No. 9 is known. These heat-insulating sashes have a structure in which the sash frame and the inner and outer shoji frames that can be freely opened and closed are divided into indoor and outdoor shapes, respectively, and each pair of shapes is connected via a heat insulating material. Has become.

Therefore, according to the heat insulating sash, the sash frame and the shoji frame having good thermal conductivity are thermally insulated indoors and outdoors by the heat insulating material. It is possible to reduce the possibility that the indoor side of the vehicle becomes cold or dew condensation occurs.

[0004]

However, in the above-described heat insulating sash, since the heat insulating material of the lower frame is susceptible to direct sunlight or ultraviolet rays, the deterioration of the heat insulating material tends to progress. In addition, there is a problem that heat enters and exits from the outdoor-side exposed portion of the indoor frame of the lower frame. In order to solve such a problem, it is conceivable to cover the heat-insulating material of the lower frame and the outdoor-side exposed surface of the indoor-side shape member with a cover material, but when the cover material is provided over the entire length of the lower frame. This causes a new problem that the cost is increased and the drainage property and the cleaning property on the lower frame are easily reduced.

SUMMARY OF THE INVENTION It is an object of the present invention to reduce costs and prevent drainage and cleanability while preventing deterioration of a heat insulating bridge material in a lower frame due to ultraviolet rays and the like, and preventing heat from entering and exiting from an exposed exterior surface of an interior profile. It is to provide a heat insulating sash which can be improved.

[0006]

According to a first aspect of the present invention, there is provided a heat insulating sash according to the first aspect of the present invention, wherein at least a lower frame of a sash frame on which inner and outer sashes are mounted is formed on the indoor side where the inner sash is located. Material and an outer shape member where the outer sash is located, these two shape materials are connected via a heat insulating bridge material, and the heat insulating bridge material and the indoor side are arranged on the lower frame along the longitudinal direction thereof. A cover member made of a low thermal conductive material is provided except for a portion corresponding to the above-mentioned outer sash in a closed position so as to cover an outdoor portion of the profile.

According to a second aspect of the present invention, at least the lower frame of the sash frame on which the inner and outer sashes are mounted is formed on the indoor side where the inner sash is located and the outdoor side where the outer sash is located. While dividing into two members, these two members are connected via a heat-insulating bridge member, and the upper surface of the heat-insulating bridge member is connected to a portion connected to the indoor-side member and the outdoor-side member of the lower frame. It is formed on substantially the same plane and has a low heat except for a portion corresponding to the outer sash in a closed position on the lower frame along the longitudinal direction thereof so as to cover the outdoor portion of the heat insulating bridge material and the indoor side shape member. A cover material made of a conductive material is provided detachably.

[0008]

In the heat insulating sash according to the first aspect of the present invention,
Except for the portion where the cover material is not the full length of the lower frame, but the portion corresponding to the closed sash, the heat-insulating bridge material and the outdoor-exposed portion of the indoor-side profile are covered on the lower frame along its longitudinal direction. Since it is provided as described above, it is possible to prevent deterioration of the heat insulating bridge material in the lower frame due to ultraviolet rays and the like and to prevent heat from entering and exiting from the outdoor side exposed surface of the indoor side shape member,
Cost reduction and improvement of drainage and cleanability can be achieved. That is, since the length of the cover material is shortened, the manufacturing cost can be reduced, and drainage of rainwater or the like or sweeping of dust or the like can be easily performed from a portion of the lower frame where the cover material is not provided. .

In the heat-insulating sash according to the second aspect of the present invention, the upper surface of the heat-insulating bridge material is formed on substantially the same plane as the upper surface of the lower frame, and the cover material is not the full length of the lower frame but the outside of the closed position. Except for a portion corresponding to a shoji, the lower frame is detachably provided along the longitudinal direction so as to cover the outdoor-side exposed portion of the heat-insulating bridge member and the indoor-side shape member. Drainability and cleanability can be further improved as compared with the heat insulating sash of the invention of the first aspect.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the accompanying drawings. 1, 2 to 4, reference numeral 1 denotes a sash frame of a heat insulating sash attached to an opening of a building frame 2 of a building. The sash frame 1 includes left and right vertical frames 1a and 1b and an upper frame 1
c and the lower frame 1d are assembled in a rectangular shape by screwing. Also, inside and outside of the sash frame 1, two inner and outer shojis 3 and 4 are attached in a pulling manner so as to be freely opened and closed.
A screen door 5 is mounted on the outermost side of the sash frame 1 so as to be horizontally movable.

The inner sash 3 and the outer sash 4 are composed of left and right door frames 6a, 7a and combination frames 6b, 7b and upper frames 6c, 7b.
c and lower frames 6d, 7d are mainly composed of frames 6, 7 assembled in a rectangular shape by screws, and glass 9 mounted in these frames 6, 7 via a gasket 8. Double-glazed glass with good heat insulating properties is used.
The heat-insulating sash according to the present embodiment is configured as a semi-external sash to which the sash frame 1 is attached by protruding substantially half from the building body 2 of the building to the outside of the room.

The vertical frames 1a and 1b, the upper frame 1c and the lower frame 1d of the sash frame 1, the door frame 6a, the mating frame 6b, the upper frame 6c and the lower frame 6d of the inner shoji 3, and the outer shoji Door frame 7a, upper frame 7c and lower frame 7d excluding the mating frame 7b of No. 4
Is divided into indoor and outdoor profiles 1x and 1y, 6x and 6y, 7x and 7y, respectively, and each pair of profiles 1x and 1y,
6x and 6y, 7x and 7y are connected via heat insulating bridge members 10,11. The above-mentioned profiles 1x and 1y, 6x and 6
y, 7x and 7y are made of extruded shapes of a metal material such as an aluminum alloy. In addition, the heat insulating bridge material 1
Reference numerals 0 and 11 are made of a hard resin material excellent in heat resistance, weather resistance, heat insulation and the like, for example, vinyl chloride (PVC). The heat-insulating bridge members 10 and 11 are formed in a plate shape having a substantially I-shaped cross section, and are formed between a pair of shaped members 1x and 1y, 6x and 6y, 7x and 7y, and are shaped members 1x and 1y, 6x and 6y, 7x and 7y. Are joined by swaging. Also, the heat insulating bridge material 10,
Numeral 11 is provided in a double manner to improve the strength.

[0013] Both vertical frames 1a, 1 of the sash frame 1 of the present embodiment.
b, The heat insulating bridge members 10 provided on the upper frame 1c and the lower frame 1d are disposed on substantially the same plane at a substantially intermediate position between the inner sash 3 and the outer sash 4, thereby facilitating manufacture and assembly and improving strength. It is planned. The heat insulating bridge members 10a, 10b, 10c arranged inside the vertical frames 1a, 1b and the lower frame 1d in the heat insulating bridge member 10 are inner surfaces of the vertical frames 1a, 1b and the lower frame 1d, specifically, The heat-insulating bridge members 10a, 10c, and 10b of the vertical frames 1a and 1b and the lower frame 1d are formed so as to be flush with or substantially flush with portions of the indoor-side shape members and the outdoor-side shape members that are continuous with the heat-insulating bridge members. Prevention of a gap generated between 10c and improvement of drainage and cleanability on lower frame 1d are achieved. The heat-insulating bridge members 10a, 10
Specifically, as shown in FIG. 5, b and 10c are formed so that the center in the width direction is formed in a raised bottom shape.
A sealing material layer 14 made of a soft resin material, for example, a non-migrating elastomer, is provided in order to improve the airtightness or watertightness of the caulked joints of x and 1y.

On the other hand, the combination frame 7b of the sash 4 of the present embodiment.
Is formed of an inner and outer integral shape having no heat-insulating bridge material, for example, an extruded shape of an aluminum alloy, and has a non-insulation structure. This is based on the fact that the area exposed on the indoor side of the combination frame 7b of the outer sash 4 is small and the thermal effect is small. Therefore, the summing frame 7b of the outer shoji 4 may be left as it is, but in this embodiment, in order to further reduce the thermal effect, for example, as shown in an enlarged view in FIG. A cover cover 12 made of a hard resin material, which is flush with the inner end of the assembling frame 7b of the outer sash 4 when the inner and outer sashes 3 and 4 are fully closed, is attached thereto. The cover member 12 is heat-insulated such that an airtight material 13 made of a soft resin material is provided integrally with and in contact with the indoor exposed surface of the combination frame 7b of the shoji.

On the upper surface of the lower frame 1d of the sash frame 1, lower rails 23a and 23b for guiding the door rollers 22 of the inner shoji 3 and outer shoji 4 are formed, and on the lower surface of the upper frame 1c, the lower rails 23a and 23a are formed. Upper rail 24 facing 23b
a and 24b are formed. The lower frame 1d is used to prevent the deterioration (deterioration due to ultraviolet rays or the like) of the heat-insulating bridge material 10 directly exposed to the outside and the thermal effect (heat in / out) from the portion of the sash frame 1 exposed to the outside. The lower frame cover material made of a low thermal conductive material, for example, vinyl chloride (PVC) so as to cover the outdoor surface of the inner lower rail 23a which is the outdoor surface of the heat-insulating bridge material 10 and the indoor-side profile 1x. Reference numeral 25 is detachably attached over substantially half in the longitudinal direction except for a portion hidden by the shoji.
In addition, as the low thermal conductive material forming the lower frame cover material 25, a resin material, wood, or the like other than those described above can be applied.

More specifically, the lower frame 1d is shown in FIG.
As shown in the enlarged view, the section from the inner lower rail 23a to the outdoor caulking joint portion of the heat insulating bridge material 10c is substantially L-shaped.
An outer lower rail 23b is formed at a portion of the heat-insulating bridge member 10c formed one step below the outdoor-side caulking joint portion. Lower frame cover material 2
Reference numeral 5 denotes a first frame formed at the lower end of the inner lower rail 23a at the lower portion of the back surface of the vertical portion 25a at the lower portion of the vertical portion 25a so as to correspond to the portion of the lower frame 1d having the substantially L shape at the cross section.
A first engagement piece 16 that engages with the engagement groove 15 is formed, and an outdoor shape member 1y is provided below the outer edge of the horizontal portion 25b.
The second engagement piece 18 that engages with the second engagement groove 17 formed at the lower end of the outdoor caulking connection portion of the heat insulating bridge material 10c is formed. Thus, the lower frame cover member 25 can be easily removed when the upper surface of the lower frame 1d is cleaned or the lower frame cover member 25 is replaced. Further, the first and second engagement grooves 15, 17 are
It is formed so as to face down or to the side so that dirt and the like hardly accumulate. The heat insulating space 20 is formed between the lower frame cover member 25 and the lower frame 1d by providing the projections 19 on the back surface.

The lower frame cover member 25 is formed to have a length from one end (right end) on the lower frame to the lower portion of the assembling frame 7b of the shoji 4 in the closed position, as shown in FIG. As shown in FIG. 7, a resin-made fin-shaped lower airtight material 21 made of resin material for sealing a gap between the lower frame cover material 25 and the lower frame 7b. . On the lower surface of the upper frame 1c, a heat insulating bridge material 10, a resin upper frame cover material 26 covering the indoor surface of the outer upper rail 24b and the outdoor surface of the inner upper rail 24a over the entire length in the longitudinal direction. Installed. A vertical frame cover member 27 made of a resin material is provided on the inner surface of the vertical frame 1a on the side where the inner sash 3 contacts, so as to cover the heat insulating bridge material 10 and a part of the indoor side shape member 1x exposed to the outdoor side. Is installed. Various airtight materials for sealing the space between the inner sash 3 and the outer sash 4 with the sash frame 1 are attached (not shown).

In the heat insulating sash constructed as described above, the frames 7 excluding the sash frame 1, the frame 6 of the inner sash 3 and the assembling frame 7b of the outer sash 4 are formed by the indoor and outdoor profiles 1 respectively.
x and 1y, 6x and 6y, 7x and 7y, and each pair of shaped members 1x and 1y, 6x and 6y, 7x and 7y were connected via heat insulating bridge materials 10 and 11 to form a heat insulating structure. Heat insulation can be improved. In addition, since the exposed area on the indoor side of the outer sash (shoji) 4 is small and the assembling frame 7b having a small thermal effect is formed of an integral shape, the heat insulating property is not impaired despite the non-insulated structure. Eliminating the inside and indoor side shape members, the heat insulating bridge material and the crimping and joining process thereof, the assembling frame 7b can be manufactured as an integral shape material in one step, and the processing man-hour and the heat insulating resin material are correspondingly reduced. The amount used can be reduced, the manufacturing cost can be reduced, and the strength can be improved.

In particular, on the lower frame 1d, along the longitudinal direction thereof, the heat-insulating bridge material 10c and the indoor-side shape material 1x
The lower frame cover member 25 is provided so as to cover the outdoor exposed portion of the lower frame 1d.
0c can be prevented from deteriorating due to ultraviolet rays and the like, and heat can be prevented from entering and exiting from the outdoor-side exposed surface of the indoor-side profile 1x.
d can be improved in durability and heat insulation. In this case, since the lower frame cover member 25 is provided not in the entire length of the lower frame 1d but in a range or area excluding the portion corresponding to the closed sash 4 in the closed position, the length of the cover material 25 is reduced. Only the manufacturing cost can be reduced, and the cover material 2 on the lower frame 1d can be reduced.
Drainage such as rainwater and sweeping of garbage and the like can be easily performed from a portion where no 5 is provided, and drainage and cleanability are improved. Further, the heat insulating bridge material 10c of the lower frame 1d is provided.
Is formed on substantially the same plane as the upper surface of the lower frame 1d, and since the lower frame cover member 25 is detachably attached to the lower frame 1d, rainwater or the like accumulates on the heat insulating bridge material 10c. It is difficult to remove the cover material 25, and the lower frame 1d
Can easily be cleaned, and drainage and cleanability can be further improved.

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 embodiments, and various design modifications and the like are possible without departing from the gist of the present invention. It is. For example, the heat insulating bridge material 1 of the lower frame 1d
0c is preferably formed on substantially the same plane as the upper surface of the lower frame 1d, but may not necessarily be formed on substantially the same plane as long as there is a certain degree of drainage and cleaning properties. Also,
The lower frame cover member 25 is preferably provided detachably on the lower frame 1d, but is not necessarily provided detachably on the lower frame 1d. Furthermore, the lower frame cover material 25
It is preferable that the heat insulating space 20 is formed between the and the lower frame 1d, but the heat insulating space 20 does not necessarily have to be formed. In the heat insulating sash of the above-described embodiment, the combination frame 7b of the outer sliding door 4 has a non-insulated structure made of an integral shape. .

[0021]

In summary, according to the present invention, the following excellent effects can be obtained.

(1) According to the heat insulating sash of the first aspect of the present invention, the cover material is not provided on the lower frame in the longitudinal direction except for the portion corresponding to the outer sash in the closed position instead of the entire length of the lower frame. The heat insulating bridge material and the indoor side profile are provided so as to cover the outdoor-side exposed portion of the material. Heat can be prevented from entering and exiting, and costs can be reduced and drainage and cleaning can be improved.

(2) According to the heat insulating sash according to the second aspect of the present invention, the upper surface of the heat insulating bridge material is substantially flush with the portion of the lower frame that is continuous with the indoor side material and the outdoor side material. Formed on the lower frame along the longitudinal direction thereof, except for the portion corresponding to the outer sash in the closed position instead of the entire length of the lower frame, and the heat-insulating bridge material and the outdoor side of the indoor-side shape member. Since it is detachably provided so as to cover the exposed portion, drainage and cleanability can be further improved as compared with the heat insulating sash according to the first aspect of the present invention.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing one embodiment of a heat insulating sash according to the present invention.

FIG. 2 is a front view of the heat insulating sash.

FIG. 3 is a partial cross-sectional view showing a state in which an exposed surface of an indoor side of a combination frame of an outer sash of an insulating sash is insulated by an airtight material.

FIG. 4 is a cross-sectional view of the heat insulating sash.

FIG. 5 is an enlarged sectional view of a heat insulating bridge material provided inside a lower frame or the like.

FIG. 6 is a partially enlarged sectional view of a lower frame provided with a cover member.

FIG. 7 is a perspective view showing an extra-housing lower airtight material provided at a lower portion of a stash of a shoji.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sash frame 3 Inner sash 4 Outer sash 1d Lower frame 1x Indoor shape 1y Outdoor shape 10 Insulated bridge material 25 Lower frame cover material

Claims (2)

(57) [Claims] 1. At least a lower frame of a sash frame on which inner and outer sashes are mounted is divided into an indoor shape where the inner sash is located and an outdoor shape where the outer sash is located, and these two shapes are thermally insulated. Except for the portion corresponding to the outer sash which is in a closed position on the lower frame along the longitudinal direction thereof so as to cover the outdoor portion of the heat-insulating bridge material and the indoor-side profile, while being connected via the bridge material. A heat insulating sash characterized by comprising a cover material made of a low heat conductive material. 2. At least a lower frame of a sash frame on which inner and outer sashes are mounted is divided into a room-side profile on which the inner sash is located and an outdoor-side profile on which the outer sash is located, and these two profiles are thermally insulated. While being connected via the bridge material, the upper surface portion of the heat-insulating bridge material is formed on substantially the same surface as the portion of the lower frame that is continuous with the indoor-side shape material and the outdoor-side shape material of the lower frame. Along with the longitudinal direction, a cover material made of a low thermal conductive material is detachably attached except for a portion corresponding to the outer sash in a closed position so as to cover the outdoor portion of the heat insulating bridge material and the indoor side shape member. A heat insulating sash characterized by being provided.