JP3194877U - Anti-condensation tool for sash - Google Patents

Abstract

The present invention provides a sash dew condensation prevention tool capable of efficiently and easily forming a heat insulating layer on the indoor side surface of a sash and having a low unit price. An anti-condensation device for a sash that is attached to a sash 3 to prevent dew condensation on the indoor surface of the sash 3 and is extruded to have a flat annular cross section along the indoor surface of the sash 3. A cylindrical main body 14 is provided, one outer surface of the cylindrical main body 14 is affixed to the surface on the indoor side, a heat insulating layer 17 is formed in the cylindrical main body 14, and the cylindrical main body 14 has Rs formed at four corners. It has a rectangular cross section. [Selection] Figure 4

Description

  The present invention relates to a sash condensation prevention device.

  In order to prevent condensation on the indoor surface of the sash during cold weather, various sash condensation prevention tools that form a heat insulating layer along the indoor surface of the sash are known.

  As an example, a cylindrical main body having a square annular cross section along the indoor side surface of the sash is provided, and one flat outer surface of the cylindrical main body is attached in contact with the indoor inner surface in a planar shape, 2. Description of the Related Art A sash dew preventing device for forming a heat insulating layer in the body has been conventionally known (for example, see Patent Document 1).

Japanese Patent No. 5308089

  The dew condensation prevention device for sashes in the above-mentioned document allows the heat insulation layer to be efficiently and easily formed on the indoor surface of the sash by the cylindrical main body, while the sash to be prevented from dew condensation is provided. Since there are many even if it is limited to one building, it is necessary to make the unit price cheaper.

  It is an object of the present invention to provide a sash dew preventing device that can efficiently and easily form a heat insulating layer on the indoor surface of a sash and has a low unit price.

  In order to solve the above-mentioned problem, first, a sash dew condensation prevention device that is attached to a sash to prevent dew condensation on the indoor surface of the sash so as to have a flat annular cross section along the indoor surface of the sash. An extruded cylindrical main body is provided, and one outer surface of the cylindrical main body is pasted on the indoor-side surface to form a heat insulating layer in the cylindrical main body.

  Secondly, the cylindrical main body has a rectangular annular cross section in which Rs are formed at four corners.

  Third, the cylindrical main body is extruded so as to have an L-shaped or U-shaped flat annular cross section along the corner of the sash.

  Fourthly, both ends of the cylindrical main body are closed so that the heat insulating layer in the cylindrical main body becomes a sealed air layer.

  Fifth, the outer surface of the cylindrical main body is characterized in that a water blocking wall that receives water droplets and suppresses flow is formed to protrude.

  Sixth, the water blocking wall is arranged and formed at one end portion in the width direction of the cylindrical main body.

  Seventh, the thickness of the heat insulating layer in the cylindrical main body is set to 3 to 5 mm.

  Eighth, the cylindrical main body is made of an opaque synthetic resin material.

  Ninth, the cylindrical main body is adhered to the indoor surface with a double-sided tape.

  The cylindrical body, which can efficiently and easily form the heat insulation layer on the interior surface of the sash, can be manufactured in large quantities by extrusion molding in a short time, thus reducing the unit price and reducing the cost of preventing condensation. Can be realized.

It is a front view which shows the state which looked at the sliding-type window provided with the dew condensation prevention tool for sashes to which this invention was applied from the outer side. It is a perspective view of the sash of FIG. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. (A) is sectional drawing of the 1st dew condensation prevention tool shown in FIG. 4, (B) is CC sectional drawing of (A). It is sectional drawing which shows the modification of a 1st dew condensation prevention tool. It is a front view which shows a 2nd dew condensation prevention tool partly fractured. FIG. 8 is a plan view of FIG. 7. It is a top view which shows the state which mounted | wore the sash with the 2nd dew condensation prevention tool. It is a plane sectional view showing composition of another embodiment of the 2nd dew condensation prevention tool.

  FIG. 1 is a front view showing a state in which a sliding-type window provided with a sash dew condensation prevention device to which the present invention is applied is viewed from the outside, and FIG. 2 is a perspective view of the sash of FIG. The window is fixedly installed on the wooden frame member 1 which is formed along an opening for the purpose of entering / exiting a person in a structure such as a building, taking in air or daylighting, and constituting a part of the structure. A window frame sash (fixed side window frame, sash) 2 that is a rectangular frame, and a pair of sashes (movable side windows) that are slidably fitted in and supported in the frame of the window frame sash 2 and arranged alternately in the depth direction. Frame) 3 and 3.

  The sash 2 includes a pair of left and right vertical frames 4 and horizontal frames 6 and 6 and a middle frame 7 that connect the upper and lower ends and an intermediate position, respectively. The plate glass 8 is attached in the frame section formed by 7 respectively.

  FIG. 3 is a cross-sectional view taken along the line AA of FIG. The means for attaching the plate glass 8 is conventionally known, but in brief, the rectangular edge of the plate glass 8 is provided with the packing 11 in the attachment groove 9 formed on the inner peripheral surface of each frame 4, 6, 7. Through and is fixed.

  The window frame sash 2 and the sash 3 are provided with sash dew condensation prevention tools 12 and 13 for preventing dew condensation on the indoor surface. Two types of dew condensation prevention tools 12 and 13 are prepared: a first dew condensation prevention tool 12 provided on a flat single surface and a second dew condensation prevention tool 13 provided at a corner portion.

  First, the configuration of the first dew condensation prevention tool 12 will be described with reference to FIGS.

  4 is a cross-sectional view taken along the line BB of FIG. 2, FIG. 5A is a cross-sectional view of the first dew condensation prevention device shown in FIG. 4, and FIG. 4B is a cross-sectional view taken along the line CC of FIG. is there. The first dew condensation preventing device 12 includes a cylindrical main body 14 having a flat annular shape (more specifically, a rectangular cross section) so as to follow the indoor side surface of the sash 2.

  The cylindrical main body 14 is made of an opaque hard synthetic resin such as polyvinyl chloride, which is appropriately colored (for example, black or gray), and is extruded so as to have the same cross section. The cylindrical main body 14 is oriented in the direction of forming the sashes 2 and 3 (in the illustrated example, the frame inner peripheral surface of the window frame sash 2 or the inner frame 7 of the sash 3), and has a flat annular cross section. The minor axis direction (thickness direction) of the sash 2 is affixed to the indoor surface in a posture along the normal of the indoor surface of the sash 2 (specifically, a posture parallel to the normal).

  More specifically, the first dew condensation prevention device 12 includes a cylindrical main body 14, and the outer surface on one side in the thickness direction of the cylindrical main body 14 (one outer surface of the cylindrical main body 14) is attached to the sash 2. The outer surface on the other side is an indoor side surface 14b directed toward the indoor side, and this adhesive surface 14a is an adhesive or double-sided tape 16 (in the illustrated example, double-sided tape 16; more specifically, Are bonded to the indoor side surfaces of the sashes 2 and 3 via a butyl tape excellent in waterproofness and heat insulation.

  An air layer is formed between the affixing surface 14a and the indoor side surface 14b of the first dew condensation prevention device 12 (inside the cylindrical main body 14). It becomes the heat insulation layer 17 which prevents conduction to the indoor side surface.

  In order to make this heat insulating layer 17 hermetically sealed, both ends in the longitudinal direction of the cylindrical main body 14 are closed. In the example shown in the figure, the spaces on both ends in the longitudinal direction of the cylindrical main body 14 are respectively filled with fillers 18 to be closed, and the sealed state in the heat insulating layer 17 is maintained. Incidentally, a desiccant or the like (not shown) may be accommodated in the heat insulating layer 17. The heat insulating layer 17 may be in a vacuum, and does not necessarily need to be sealed. Even if both ends of the cylindrical main body 14 are opened, a certain effect can be expected.

  Further, R (rounded convex curved surface) 14c is formed at the four corners of the rectangular cross section of the cylindrical main body 14 to reduce discomfort caused by touching the edge.

  Further, the length (thickness) d in the thickness direction of the heat insulating layer 17 is set to 3 to 5 mm, the length (width) W in the width direction is set to 20 to 40 mm, and the plate thickness (inner circumference) of the cylindrical main body 14 is set. The distance between the surface and the outer peripheral surface) is set to about 0.5 to 1 mm.

  According to the first dew condensation prevention device 12 having the above configuration, the heat insulating layer 17 is formed along the indoor side surfaces of the sashes 2 and 3, and the heat conduction from the outside is blocked by the heat insulating layer 17. Condensation on the inner surface is efficiently prevented. Moreover, the cylindrical main body 14 is easy to mount due to its shape, and the work efficiency is improved.

  FIG. 6 is a cross-sectional view illustrating a modified example of the first dew condensation prevention tool. In the example shown in the figure, the indoor side surfaces of the sashes 2 and 3 are horizontal or substantially horizontal, and the first dew condensation preventing device 12 is attached to the indoor side surface. Under the present circumstances, the water stop wall (wall part) which protruded in the thickness direction over the whole longitudinal direction in the edge part of the width direction in the indoor side surface 14b of the cylindrical main body 14 (preferably the side far from the plate glass 8). 14d is integrally formed to project.

  According to the water blocking wall 14d, even when the plate glass 8 or the like or the sashes 2 and 3 are condensed, the water droplets are received, thereby preventing the water droplets from flowing to the wooden frame member 1 side. For this reason, corrosion of the wooden frame member 1 is also efficiently prevented.

  Next, the configuration of the second dew condensation prevention tool 13 will be described with reference to FIGS. 3 and 7 to 9.

  FIG. 7 is a front view of the second dew condensation prevention device with a part broken away, FIG. 8 is a plan view of FIG. 7, and FIG. 9 is a state in which the second dew condensation prevention device is attached to the sash. FIG. A transparent synthetic resin panel 19 disposed so that an air layer (heat insulating layer) 17 is formed along the indoor side surface of the sashes 2 and 3 (in the illustrated example, the sash 2), and the sashes 2 and 3 Are formed so as to be bent so as to surround the plurality of bent surfaces, and to form the air layer 17.

  That is, the panel 19 of the second anti-condensation tool 13 is formed with, for example, folding portions 19a and 19a along the corner portion (corner angle) of the vertical frame 4 of the sash 2 in the vertical direction (formation direction of the sashes 2 and 3). The spacers 20 and 21 are bonded along the four sides of the panel 19.

  As a result, the second dew condensation prevention device 1 has the horizontal spacers 20 arranged vertically at the corner portions of the sash 3 in a state where the panel 19 is bent in a U-shape in cross section by the bent portions 19a and 19a. When bonded along, the air layer 17 can be easily formed. In addition, the horizontal spacer 20 and a pair of vertical spacers 21 and 21 are interposed between the heat 18 and the indoor surface of the sashes 2 and 3, and are brought into close contact with both members. The air layer 17 is sealed.

  In addition, when the auxiliary spacer 22 is provided in the middle of the sashes 2 and 3 and the panel 19, the bending deformation of the panel 11 is suppressed between the upper and lower spacers 20, the fixed shape is maintained, and the heat insulating layer 17 is stably provided. Can be maintained.

  Next, another embodiment of the second dew condensation prevention tool 13 will be described based on FIG.

  FIG. 10 is a plan sectional view showing a configuration of another embodiment of the second dew condensation prevention device. In the second dew condensation preventing device 13 shown in the figure, the cylindrical main body 14 is a flat ring having an L shape or a U shape (L shape in the illustrated example) along the corner portions of the sashes 2 and 3. Extruded to have a cross section.

  As for this cylindrical main body 14, when the sticking surface 14a and the indoor side surface 14b are L-shaped, two surfaces (4 surfaces in total) are formed, and each of the U-shaped materials is 3 surfaces (6 surfaces in total). Each of the pasting surfaces 14a is formed and adhered to the corner portion with a double-sided tape 16 or an adhesive, but the double-sided tape 16 and the adhesive are omitted in the figure.

1 Wooden frame member 2 Window frame sash (fixed side window frame, sash)
3 Sash (movable side window frame)
4 Vertical frame 6 Horizontal frame 7 Middle frame 8 Sheet glass (glass)
9 Mounting Groove 11 Packing 12 First Condensation Prevention Tool (Condensation Prevention Tool for Sash)
13 Second Condensation Prevention Tool (Sash Condensation Prevention Tool)
14 Cylindrical body 14a Affixing surface 14b Indoor side surface 14c R (convex curved surface)
14d Water barrier (wall)
16 Double-sided tape 17 Heat insulation layer (air layer)
18 Filler 19 Panel 20 Spacer 21 Spacer 22 Auxiliary Spacer d Thickness W Width

Claims (9)

  A dew condensation prevention device for a sash that is attached to a sash and prevents dew condensation on the indoor side surface of the sash, comprising a cylindrical main body extruded so as to have a flat annular cross section along the indoor side surface of the sash, A sash dew condensation prevention tool in which one outer surface of a cylindrical main body is affixed to the indoor surface and a heat insulating layer is formed in the cylindrical main body.   The dew condensation prevention tool for a sash according to claim 1, wherein the cylindrical main body has a rectangular annular cross section in which Rs are formed at four corners.   The dew condensation prevention tool for sashes according to claim 1, wherein the cylindrical main body is extruded to have an L-shaped or U-shaped flat annular cross section along a corner portion of the sash.   The dew condensation prevention tool for sashes according to any one of claims 1 to 3, wherein both ends of the cylindrical main body are closed so that the heat insulating layer in the cylindrical main body becomes a sealed air layer.   The dew condensation prevention tool for sashes according to any one of claims 1 to 4, wherein a water blocking wall that receives water droplets and suppresses flow is formed on the outer surface of the cylindrical main body.   The sash condensation prevention tool according to claim 5, wherein the water blocking wall is disposed and formed at one end portion in the width direction of the cylindrical main body.   The sash condensation prevention tool according to any one of claims 1 to 6, wherein a thickness of the heat insulating layer in the cylindrical main body is set to 3 to 5 mm.   The sash dew condensation prevention device according to any one of claims 1 to 7, wherein the cylindrical main body is made of an opaque synthetic resin material.   The sash condensation prevention tool according to any one of claims 1 to 8, wherein the cylindrical main body is adhered to the indoor-side surface with a double-sided tape.

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