JP2012180689A - Waterproof member above window, lid member for window jamb, waterproof structure above window - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waterproofness mainly to both end parts of an upper window frame.SOLUTION: A waterproof member 11 above a window is disposed at an upper end of a window jamb member 5a which constitutes each of both ends of a window frame 5. The waterproof member 11 comprises a base part 13 having a top face sloping downward to the end of the window frame 5 in a window width direction 12, and a labyrinth seal part 14 which is arranged on the sloping top face of the base part 13 so as to allow for ventilation in the window width direction 12 and to prevent water from flowing toward the center in the window width direction 12.

Description

  The present invention relates to a window waterproofing member, a window vertical frame lid member provided with the window waterproofing member, and a window waterproofing structure.

  A building such as a house is usually provided with a window. Above this window, an outer wall material is installed with a slight gap on the window. And it is necessary to make this clearance gap part on a window into a waterproof structure in order to prevent water, such as rain water, from entering from the exterior.

  Conventionally, the thing like patent document 1 is known as a waterproofing structure on a window with respect to the above-mentioned clearance gap part on a window.

  In this waterproof structure on a window, first, a metal draining member is installed in the above-mentioned gap portion on the window, and a butyl rubber sealant or the like is provided between the lower portion of the draining member and the upper edge of the window frame. Sealing fillers are used to completely close the gaps on the windows. And the spacer for a seal is attached to the window width direction both ends of this clearance gap part on a window.

JP 2001-73476 A

  However, in the waterproof structure on the window described in Patent Document 1, a metal draining member is attached to the gap on the window, and a sealing filler such as a butyl rubber sealant is further inserted. However, there was a problem that the structure was complicated and it took a lot of work.

  In addition, since the space above the window has a waterproof structure that completely closes with a sealing filler such as butyl rubber sealant or a spacer for sealing, there is a problem that construction management for securing desired waterproof performance is difficult. . That is, there is a problem that the waterproof performance may be different depending on how the sealing filling such as butyl rubber sealant is filled.

  In order to solve the above-mentioned problems, the present invention is a waterproofing member on a window installed on the upper end side of a vertical frame member that constitutes both ends of the window frame in the window width direction, and the window frame direction end portion side of the window frame A base portion having an upper surface inclined downwardly toward the surface, and standing on the inclined upper surface of the base portion so as to allow ventilation in the window width direction and water toward the center in the window width direction. A labyrinth seal portion capable of preventing intrusion is provided.

  Further, the present invention is characterized by a window vertical frame lid member provided with the above-mentioned waterproof on-window member and a waterproof on-window structure.

  According to the present invention, the following effects can be obtained by the above-described configuration. That is, since the inclined upper surface of the base part of the on-window waterproofing member serves as a drainage channel, water (rain water, etc.) can be drained from the center side in the window width direction of the window frame toward the end side. Further, the labyrinth seal portion erected on the inclined upper surface of the base portion allows ventilation in the window width direction and can prevent water from entering from the window width direction end portion side to the center side.

It is a front view of the window concerning the Example of this invention. It is a disassembled perspective view of the upper half part of the window of FIG. FIG. 3 is a partially enlarged perspective view of an upper end side of a vertical frame member in the window frame of FIG. 2. It is a front view of the waterproofing member on a window of FIG. It is a top view of the waterproofing member on a window of FIG. It is a longitudinal cross-sectional view of the window width direction center part (AA arrow view part) of the window upper half part of FIG.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below in detail with reference to the drawings.

  <Configuration> The configuration will be described below.

  1 to 6 show this embodiment.

  A building such as a house is usually provided with a window 1 as shown in FIG. At least above the window 1, an outer wall material 3 is installed with a slight gap portion 2 on the window. And this window gap part 2 is made into a waterproof structure so that intrusion of water, such as rain water, from the outside does not occur.

  In addition to the basic configuration as described above, the present embodiment has the following configuration.

(Structure 1) About the waterproof member 11 on a window As shown in FIG. 1 (or FIG. 2), on the upper end side of the vertical frame member 5a which comprises the both ends of the window frame 5 in the window 1, The waterproof member 11 is installed.

  The on-window waterproofing member 11 is as shown in FIG. First, the on-window waterproofing member 11 has a substantially horizontal base portion 13 (base plate). And this base part 13 shall have the upper surface (inclined surface 13a) which inclines in the downward gradient toward the edge part side of the window width direction 12 of the window frame 5. As shown in FIG. In addition, the on-window waterproofing member 11 has a labyrinth seal portion 14 erected on the inclined upper surface of the base portion 13. The labyrinth seal portion 14 can be ventilated in the window width direction 12 and can prevent water from entering the center of the window width direction 12.

  Here, the base portion 13 and the labyrinth seal portion 14 can be integrated or separated. Here, it is assumed that the base portion 13 and the labyrinth seal portion 14 are integrally formed.

  Further, from both edge portions of the base portion 13 in the window inner / outer direction 15, the seal wall portions 16 (the indoor side seal wall portion 16 a and the outdoor side seal wall portion 16 b) of the same height as the gap portion 2 on the window are integrated. It is erected. Due to the pair of seal wall portions 16 and the base portion 13, the on-window waterproofing member 11 is substantially U-shaped in a side view. And the labyrinth seal part 14 of the height substantially the same as the gap part 2 on a window is integrally formed with this seal wall part 16 and the base part 13. FIG.

  The labyrinth seal portion 14 extends from the indoor side seal wall portion 16a toward the middle portion in the window inside / outside direction 15 and extends from the outdoor side seal wall portion 16b toward the middle portion in the window inside / outside direction 15. It has an outdoor side labyrinth fin part 14b. One or more indoor side labyrinth fin portions 14a and outdoor side labyrinth fin portions 14b are provided. The indoor side labyrinth fin portions 14 a and the outdoor side labyrinth fin portions 14 b are alternately provided along the window width direction 12. The indoor side labyrinth fin part 14 a and the outdoor side labyrinth fin part 14 b overlap each other with respect to the window inside / outside direction 15. Thereby, the meandering ventilation path and drainage path are formed between the indoor side labyrinth fin part 14a and the outdoor side labyrinth fin part 14b.

(Configuration 2) Inclined fin portion 17 The labyrinth seal portion 14 described above has an inclined fin portion 17 in which at least a tip portion is inclined toward the end portion side in the window width direction 12.

  Here, the indoor side labyrinth fin part 14a and the outdoor side labyrinth fin part 14b can be provided with the inclined fin part 17 described above for all or part of the installed ones. However, at least the indoor labyrinth fin portion 14 a and the outdoor labyrinth fin portion 14 b that are located closest to the end side in the window width direction 12 are provided with the inclined fin portions 17.

  Moreover, each indoor side labyrinth fin part 14a and outdoor side labyrinth fin part 14b can be made into the said inclination fin part 17 over the full length, or only the front-end | tip part can be made into the said inclination fin part 17 partially. .

  In this case, as for each indoor side labyrinth fin part 14a and outdoor side labyrinth fin part 14b, almost all the installed labyrinth fin parts 14b are inclined fin parts 17 over the entire length. In addition, each indoor side labyrinth fin part 14a and outdoor side labyrinth fin part 14b made into the inclination fin part 17 are y-shaped in order to improve the intensity | strength of the connection part with respect to the indoor side seal wall part 16a and the outdoor side seal wall part 16b. It is supposed to have a branched shape.

(Configuration 3) Window Vertical Frame Lid 21 The window vertical frame lid 21 is installed at the upper end of the vertical frame 5a constituting the window frame 5. And the above-mentioned waterproofing member 11 on a window is attached to the upper surface of this lid member 21 for window vertical frames integrally or separately.

  Here, the window vertical frame lid member 21 is for closing the upper end of the vertical frame member 5a. In this case, the base portion 13 of the on-window waterproofing member 11 is integrated so as to be an upper surface portion of the window vertical frame lid member 21. Further, as shown in FIG. 4, a vertical frame mounting fitting portion 21a that can be fitted and fixed from above to the inside of the upper end portion of the vertical frame member 5a is integrally formed on the lower surface side of the base portion 13 of the on-window waterproofing member 11. I am trying to provide it.

  When the window vertical frame lid member 21 and the window waterproofing member 11 are separated, the base portion 13 of the window waterproofing member 11 is abutted and fixed to the upper part of the window vertical frame lid member 21. To get.

(Configuration 4) Waterproof structure on the window As shown in FIGS. 1 and 2, the outer wall material 3 is installed above the window frame 5 so as to have the above-mentioned gap part 2 on the window so that the on-window gap part 2 can be waterproofed. With respect to the above-described waterproof structure on a window, the outside air and the pressure as shown in FIG. 6 are equal in the central part (inside) in the window width direction 12 of the window frame 5 in the above-mentioned gap portion 2. An outside air isobaric space 25 is provided. And the above-mentioned waterproofing member 11 on a window which can communicate the said external air equal pressure space 25 to external air as shown in FIGS. 3-5 is provided in the both ends of the window frame 5 in the clearance gap part 2 on a window. To do.

  Here, the above-described outside air isobaric space 25 is provided in an upper portion of the upper frame member 5 b constituting the central portion of the window frame 5. The on-window waterproofing member 11 includes one that is integral with and separate from the window vertical frame lid member 21.

(Configuration 5) Details of the waterproof structure on the window More specifically, as shown in FIG. 3, the outside air isostatic space 25 extends upward from the indoor side edge of the upper edge of the window frame 5. It is defined between the raised wall 26 and the primary waterproofing member 27 fitted to the upper gap portion 2 from the outdoor side.

  Here, the rising wall 26 is provided for both the vertical frame member 5a and the upper frame member 5b constituting the upper edge of the window frame 5, respectively. As the primary waterproof member 27, as shown in FIG. 6, a foam or the like having a thickness substantially the same as that of the outer wall material 3 or a thickness approximately half of the window frame 5 inside / outside direction 15 is used. The The primary waterproof member 27 has the same height as the window gap 2 or a height slightly larger than that. The primary waterproof member 27 is attached to the window gap 2 so as to be substantially flush with the outer wall material 3.

  As shown in FIGS. 1 and 2, another outer wall member 31 is installed on both sides of the window frame 5 described above, and the side of the window formed between the window frame 5 and the other outer wall member 31. A joint gasket 33 as shown in FIG. 5 is inserted and installed in the gap 32. The window lateral gap portion 32 to which the joint gasket 33 is inserted also has a function as a vertical drainage channel.

  Further, as shown in FIG. 2, a vertical member 34 such as a metal stud is installed on the indoor side (back side) of the window lateral gap 32 as shown in FIG. In addition, a lateral member 35 such as a metal angle member is installed on the indoor side (back side) around the upper window gap 2. That is, the window frame 5, the outer wall material 3, or another outer wall material 31 is attached to the outdoor side of the building structural material such as the vertical member 34 or the horizontal member 35 described above.

  As shown in FIG. 6, the above-described rising wall 26 and the frame 36 (b-shaped frame) attached to the back surface of the outer wall material 3 are rivets, screws, and nails with respect to the above-described lateral member 35. Are fixed at the same time using an attachment member 37 such as. Thereby, the above-described outside air isobaric space 25 is a highly sealed space having a height that reaches the frame 36 on the back surface of the outer wall material 3 from the upper edge of the window frame 5.

  <Effect> According to this embodiment, the following effects can be obtained.

(Effect 1) About the waterproofing member 11 on the window The base portion 13 of the waterproofing member 11 on the window has an inclined upper surface serving as a drainage channel, so that water such as rainwater is end from the center side in the window width direction 12 of the window frame 5. It can drain toward the part side.

  In addition, the labyrinth seal portion 14 erected on the inclined upper surface of the base portion 13 prevents air from entering from the end portion side in the window width direction 12 to the center side while allowing ventilation in the window width direction 12. be able to.

  Thereby, the water which entered the gap part 2 on a window (the part of the external air isobar space 25 and the waterproofing member 11 on a window) can be drained toward the window side gap part 32 in which the joint gasket 33 is inserted ( Arrow x). Moreover, the water which tries to flow backward to the gap part 2 above the window by hitting the joint gasket 33 can be retained by the labyrinth seal part 14 (arrow y).

  Further, the on-window gap 2 can be always kept in a dry state by the ventilation from the labyrinth seal portion 14.

(Effect 2) About the inclined fin part 17 The labyrinth seal part 14 has the inclined fin part 17 in which at least the tip part is inclined toward the window width direction 12 end side. It is possible to further enhance the effect of preventing water from entering the side. That is, the inclined shape of the inclined fin portion 17 stops and retains the water that is going to flow back more effectively. In particular, the indoor side labyrinth fin portion 14a and the outdoor side labyrinth fin portion 14b positioned closest to the end side in the window width direction 12 are the inclined fin portions 17, so that water that is most effectively used for backflow is blocked. Can stay.

(Effect 3) About the window vertical frame lid member 21 By attaching the above-mentioned window waterproofing member 11 integrally to the upper surface of the window vertical frame lid member 21, the window vertical frame lid member 21 and the window waterproofing member 21 are attached. Compared with the case where 11 is provided separately, the number of parts is reduced to reduce costs, and both the window vertical frame lid member 21 and the window waterproofing member 11 are installed on the upper end of the vertical frame member 5a. Can be saved.

  Further, by attaching the above-mentioned window waterproofing member 11 to the upper surface of the window vertical frame lid member 21, the window vertical frame lid member 21 attached to the vertical frame member 5 a of the existing window frame 5 is attached. On the other hand, it is possible to implement the on-window waterproof structure of this embodiment by attaching the above-mentioned waterproof on-window member 11.

(Effect 4) About the waterproof structure on the window By providing the outside air pressure equalizing space 25 in which the pressure is equal to the outside air in the central part (inside) of the window frame 5 in the above window gap 2, the above window gap 2 is provided. Even if it is not completely filled, it is possible to obtain a waterproof structure with high water tightness that hardly causes water intrusion from the outside. Thereby, construction management can be facilitated while securing a desired waterproof performance with a simple structure.

  Further, by providing the above-mentioned waterproofing member 11 on the window at both end portions of the window frame 5 in the gap portion 2 on the window, the outside air or the like can be effectively prevented from entering the outside air isostatic space 25 from outside. The pressure space 25 can be communicated with the outside air.

(Function 5) Details of the waterproof structure on the window Between the outdoor air isostatic space 25 and the rising wall 26 integral with the upper edge of the window frame 5 and the primary waterproof member 27 fitted in the gap 2 on the window. This eliminates the need to provide a metal draining member in the above-mentioned window gap 2 or to completely close the above-window gap 2 with a sealing filler such as butyl rubber sealant. And facilitation of construction.

  Although the embodiments of the present invention have been described in detail with reference to the drawings, the embodiments are only examples of the present invention, and the present invention is not limited to the configurations of the embodiments. Needless to say, design changes and the like within a range not departing from the gist of the invention are included in the present invention. Further, for example, when each embodiment includes a plurality of configurations, it is a matter of course that possible combinations of these configurations are included even if not specifically described. Further, when a plurality of embodiments and modifications are shown, it is needless to say that possible combinations of configurations extending over these are included even if not specifically described. Further, the configuration depicted in the drawings is of course included even if not particularly described. Further, when there is a term of “etc.”, it is used in the sense that the equivalent is included. In addition, when there are terms such as “almost”, “about”, “degree”, etc., they are used in the sense that they include those in the range and accuracy recognized by common sense.

DESCRIPTION OF SYMBOLS 2 Window top clearance part 3 Outer wall material 5 Window frame 5a Vertical frame member 11 Window waterproofing member 12 Window width direction 13 Base part 14 Labyrinth seal part 17 Inclined fin part 21 Window vertical frame cover member 25 Outside air isobaric space 26 Standing up Wall 27 Primary waterproofing member

Claims (5)

A waterproofing member on a window installed on the upper end side of a vertical frame member constituting both ends of the window frame in the window width direction,
A base portion having an upper surface that slopes downwardly toward the window width direction end of the window frame;
And a labyrinth seal portion that is erected on the inclined upper surface of the base portion, and that allows ventilation in the window width direction and prevents water from entering the central side in the window width direction. Waterproofing member on the window.   2. The waterproofing member on a window according to claim 1, wherein the labyrinth seal portion has an inclined fin portion in which at least a tip end portion is inclined toward a window width direction end portion side. A window vertical frame lid member installed at the upper end of the vertical frame member constituting the window frame,
A window vertical frame lid member, wherein the waterproofing member on a window according to claim 1 or 2 is integrally or separately attached to an upper surface. In the waterproof structure on a window, which has a window gap above the window frame and installs an outer wall material, the window gap is configured to be waterproof.
In the central part of the window frame in the gap portion on the window, an external air isobaric space where the pressure is equal to the outside air is provided,
The waterproofing on a window according to claim 1 or 2, wherein the outside pressure isostatic space can be communicated with the outside air at both end portions of the window frame in the above-mentioned gap portion on the window. Construction.   The outside air isobaric space is between a rising wall extending upward from the indoor side edge of the upper edge of the window frame, and a primary waterproofing member fitted from the outdoor side to the window upper gap. The waterproof structure on a window according to claim 4, wherein the waterproof structure on a window is defined as follows.