JP2015132119A - Building external structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a building external structure that can be securely extended even when an obstacle such as a shutter box and a sun shade is present at a building body, can have a ventilation window installed in a side face wall part, and can increase the opening/closing angle of the ventilation window by employing an inward-opening window.SOLUTION: At least one side face wall part 3 includes a gable beam 15 which has one end connected to a gable column 6 of a front wall part 1 and the other end connected to a gable column 6 of the side face wall part 3 on the side of an external wall T1 of a building body T, and also includes a ventilation window 35 which can be opened and closed in a substantially triangular frame part 33 enclosed with the gable beam 15, a gable rafter 11 of a roof part 2, and the gable column 6 of the side face wall part 3. Further, a first stringer 31 is arranged at a frame part 21 at a predetermined interval with the gable column 6 of the side face wall part 3, and the ventilation window 35 is provided in the frame part 33 enclosed with the gable beam 15, the gable rafter 11, and the first stringer 31.

Description

  The present invention relates to a building external structure such as a solarium.

  Since it has the great advantage of being able to increase the functionality and convenience of buildings such as houses and stores, it has the great advantage of being a garden room type building external structure such as a solarium, terrace, balcony, etc. There are an increasing number of cases in which side-through type building exterior structures such as ports, bicycle storage places, open terraces, storerooms, and passageways are constructed (installed and expanded) outside the building body such as a house (for example, Patent Document 1, Patent) Reference 2).

  And the garden room type building exterior structure A is, for example, as shown in FIG. 5, a front wall portion 1 provided along the outer wall T1 of a building body T such as a house and at a predetermined interval from the outer wall T1. The roof part 2 provided with one end 2a connected to the upper end side of the front wall part 1 and the other end 2b connected to the outer wall T1 side of the building main body T, the front wall part 1, the roof part 2, and the outer wall of the building main body T And a pair of side wall portions 3 provided to be connected to the T1 side.

  Moreover, in this kind of building external structure A, the front wall part 1 is arrange | positioned in the horizontal direction S1 along the outer wall T1 of building main bodies T, such as a house, on foundations 4, such as dirt concrete, a deck, and an independent foundation. In addition, a plurality of bases 5 installed with a predetermined distance from the outer wall T1, and a plurality of bases 5 which are erected with the lower end 6a connected to the base 5 and are arranged in parallel in the horizontal direction S1. The column 6, the girder 7 connected to the upper ends of the plurality of columns 6 and disposed along the lateral direction S <b> 1, the lower end portion to the base 5, both side ends to the column 6, and the upper end portion to the girder 7 And a front panel (wall surface member) 8 such as a glass plate disposed between the adjacent support columns 6.

  In addition, the roof 2 is disposed with a rafter 10 installed on the building body T, with a predetermined interval in the lateral direction S1, and connected to the girder 7 at one end and to the rafter 10 at the other end. A plurality of rafters 11 are installed, and a roof material 12 such as a resin plate such as polycarbonate or acrylic or a glass plate that is supported by the rafters 11 to form a roof surface is provided.

  Similar to the front wall 1, the side wall 3 is configured by installing a base 5, a column 6 and a side panel (wall surface member) 13, or by installing a folding door 14 or a window. is there.

  In addition, a front wall and side walls are provided with waist walls, and wall members such as columns and glass plates (front panels, side panels, etc.), windows, etc. are installed above the waist walls. is there.

  On the other hand, when forming the side wall 3, for example, one end is connected to the upper end side of the front wall 6 of the front wall 1, and the side wall 6 of the side wall 3 on the outer wall T 1 side of the building body T is connected. The other end is connected, and the end beam 15 of the aluminum extruded shape member is installed horizontally along the lateral depth direction S2. Thus, a rectangular frame portion 20 is formed surrounded by the end beam 15, the end strut 6 of the front wall portion 1, and the end strut 6 of the side wall portion 3, and the strut 6 and the side surface are formed in the rectangular frame portion 20. A panel 13, a folding door 14, and the like are installed.

  Further, in the present embodiment, a substantially triangular frame portion 21 surrounded by the end beam 15, the end rafter 11, and the end strut 6 of the side wall portion 3 is formed on the upper portion of the side wall portion 3. In general, a glass plate (FIX window 23) is often installed in the substantially triangular frame portion 21.

  On the other hand, for example, as shown in FIG. 6, an inward window is formed on the substantially triangular frame portion 21 of the side wall portion 3 surrounded by the wife beam 15, the rafter 11, and the wife column 6 of the side wall portion 3. It has been proposed and put into practical use to install a ventilation window 25.

  And when installing and comprising the ventilation window 25 in the substantially triangular frame part 21 formed in the upper part of the side wall part 3, as shown in FIG.6 and FIG.7, for example, the wife rafter 11 ( Alternatively, the upper frame of the window frame) is connected to the upper lid 25a of the ventilation window (shoji) 25 having a substantially triangular shape in plan view with an opening / closing bracket (opening / closing mechanism) 26 such as a whitco, and the wife rafter 11 (or the upper frame). And a catch lock 27 is attached to the upper collar 25a of the ventilation window 25.

  For example, as shown in FIG. 7, an opening / closing bracket 26 provided with a frame attachment member 26 a, a joinery attachment member 26 b and a stay 26 c is used, and the joinery attachment member 26 b is attached to the lower surface of the wife rafter 11 (or upper frame). Install along. Also, one end is hinged to the joinery mounting member 26b and slidably and pivotably coupled in the extending direction of the joinery mounting member 26b, and the other end is hinged to the upper collar 25a of the ventilation window 25 to attach the frame. The member 26a is installed. Then, one end is hinged to the frame mounting member 26a, and the other end is hinged to the joinery mounting member 26b to attach the stay 26c.

  Thus, when the ventilation window 25 is turned inward, one end of the frame mounting member 26a slides / rotates, and the stay 26c rotates at the hinge portion. And the ventilation window (paper shovel) 25 opens by stopping at angle (theta) 1 according to the length of the stay 26c.

  Furthermore, the ventilation window 25 is returned into the frame portion 21 by including a catch lock 27 including a top latch receiver provided on the wife rafter 11 and a top latch provided on the upper collar 25a of the ventilation window 25. At the same time, the top latch is engaged with the top latch receiver and the ventilation window 25 is held closed. Further, the ventilation window 25 can be tilted and opened by the user performing a top latch operation with a hook bar or the like and releasing the engagement between the top latch and the top latch receiver.

JP 2007-247176 A JP 2008-174917 A

  Here, when the building external structure A such as the conventional solarium is added to an existing building, as shown in FIG. 6, a shutter box protruding from the outer wall T1 of the existing building (building body T). The rafter 10 is installed on the upper part of the awning 30 and the awning, and the building exterior structure A is constructed such that the shutter box 30 and the awning are arranged indoors.

  If such a shutter box 30 or an awning protrudes from the outer wall T1 of the building, it interferes with the ventilation window 25 installed as an inversion window in the substantially triangular frame portion 21 of the side wall portion 3. The ventilation window 25 cannot be installed.

  In addition, in the conventional building exterior structure A such as a solarium, as shown in FIGS. 7 and 8, an opening / closing mechanism (opening / closing metal fitting 26) for opening / closing the ventilation window 25 as an inverted window having a substantially triangular shape in plan view is provided. The fitting attachment member 26b is installed on the lower surface of the upper frame of the wife rafter 11 and the window frame, and the frame attachment member 26a and the stay 26c are hinged to the upper flange 25a of the ventilation window 25.

  In this case, if the opening / closing angle θ1 of the ventilation window 25 is to be increased, the stay 26c must be lengthened, and the clearance t at the connection between the stay 26c and the upper flange 25a of the ventilation window 25 must be increased. It will be difficult to secure. For this reason, there is a problem that the ventilation window 25 cannot be opened largely because the opening / closing angle θ1 of the ventilation window 25 is, for example, about 15 degrees regardless of the presence or absence of the shutter box 30 or the shade.

  In view of the above circumstances, the present invention makes it possible to reliably add an external building structure even if an obstacle such as a shutter box or an awning is present in the building body, and to install a ventilation window on the side wall, and further invert An object of the present invention is to provide a building external structure that can increase the opening / closing angle of a ventilation window as a window.

  In order to achieve the above object, the present invention provides the following means.

  The building exterior structure of the present invention has a front wall, a roof provided with one end connected to the front wall, one end connected to the front wall, and an upper end connected to the roof. A pair of side wall portions provided as a building external structure constructed by connecting the other end side of the roof portion and the other side end of the side wall portion to the outer wall of the building body, At least one of the side wall portions includes a wife beam having one end connected to the wife strut of the front wall portion and the other end connected to the wife strut of the side wall portion on the outer wall side of the building body. It comprises a ventilation window that can be opened and closed in a substantially triangular frame part surrounded by beams, rafters of the roof part, and wife struts of the side wall part, and the side wall part is provided in the frame part A first vertical member is disposed at a predetermined interval from the wife strut, and the wife beam, the roof rafter, and the first vertical member are arranged. Wherein the ventilation window surrounded by the frame portion is provided with.

  In this invention, in the substantially triangular frame part of the side wall part surrounded by the wife rafter and the wife rafter of the roof part and the wife pillar of the side wall part, with a predetermined interval from the wife pillar of the side wall part, In other words, a first vertical member is provided at a predetermined interval from the outer wall of the building body, and a ventilation window is provided in a frame portion surrounded by the first vertical member, the girder, and the rafter of the roof, thereby providing a ventilation window. It is possible to install the ventilation window in a state where the position of the one side end portion is separated from the outer wall of the building body at a predetermined interval.

  Thus, even if there are obstacles such as shutter boxes or sunshades on the outer wall of the building body, the obstacles can be ventilated by setting the position of the first vertical member according to the protruding amount of the obstacles. It is possible to prevent the opening and closing of the door from being hindered and to provide a ventilation window suitably.

  In the building exterior structure of the present invention, the frame portion is provided with a second vertical member at a predetermined distance from the front wall portion, and the end beam, the end rafter of the roof portion, and the first portion. It is desirable that the ventilation window is provided in a frame portion surrounded by the vertical member and the second vertical member.

  In the present invention, in addition to the first vertical member, a predetermined distance from the front wall portion in the substantially triangular frame portion of the side wall portion surrounded by the end beams of the roof beam, the rafters of the roof portion, and the supporting posts of the side wall portion. A second vertical member is provided (from the front wall to the outer wall side of the building body), and the frame is surrounded by the second vertical member, the first vertical member, the end beam and the roof rafter. By providing a ventilation window on the first vertical member and the vertical rod on the one side end of the ventilation window, the second vertical member and the vertical rod on the other side end of the ventilation window, respectively, open and close such as whitco It becomes possible to open and close the ventilation window by connecting with metal fittings. That is, an opening / closing mechanism can be provided on the side of the ventilation window.

  Furthermore, in the building exterior structure of the present invention, an opening / closing mechanism that opens and closes the ventilation window as an inward window is connected to the first vertical member and / or the second vertical member and a vertical rod on the side of the ventilation window. It is desirable to be provided.

  In the present invention, an opening / closing mechanism that opens and closes the ventilation window as an inward window is provided by being connected to the first vertical member and / or the second vertical member and the vertical rod on the side of the ventilation window. Thus, as compared with the case where the opening / closing mechanism is provided by connecting the upper window and the upper frame of the ventilation window as described above, it is easy to ensure the strength and the opening / closing angle of the ventilation window can be increased.

  According to the building external structure of the present invention, the ventilation window can be installed in a state where the position of the side end portion of the ventilation window is separated from the outer wall of the building body at a predetermined interval, so that a shutter box, an awning, etc. Even if there are other obstacles, it is possible to reliably increase the number of external building structures, and to install ventilation windows on the side walls, and to increase the opening / closing angle of the ventilation windows as inward windows.

It is a perspective view which shows the building external structure which concerns on one Embodiment of this invention. It is a figure which shows the rafter of the building external structure which concerns on one Embodiment of this invention. It is a figure which shows the building exterior structure ventilation window which concerns on one Embodiment of this invention. It is a figure which shows the building exterior structure ventilation window which concerns on one Embodiment of this invention. It is a perspective view which shows the conventional building exterior structure. It is a figure which shows the ventilation window of the conventional building exterior structure. It is a figure which shows the ventilation window of the conventional building exterior structure. It is a figure which shows the opening / closing mechanism of the conventional building exterior structure.

  Hereinafter, a building external structure according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4 and 6. Here, in this embodiment, the building exterior structure according to the present invention will be described as a garden room type building exterior structure constructed by being connected to a building body such as a house or a store.

  The building exterior structure of this embodiment is a solarium (garden room), and includes, for example, a front wall 1, a pair of side walls 3, and a roof 2, as shown in FIG. Yes.

  The front wall 1 is spaced from the outer wall T1 having an opening such as a sash window of the building main body T at a predetermined interval, and is disposed to face the outer wall T1 substantially in parallel. The front wall portion 1 of the present embodiment is placed and fixed on a foundation 4 such as dirt concrete, a deck, or an independent foundation, and extends in the lateral direction S1 along the outer wall T1 of the building body T. The base 5, the base 5 is connected to the lower end 6 a and is erected, and a plurality of columns 6 arranged in parallel in the lateral direction S 1 at predetermined intervals, and the upper ends of the plurality of columns 6 A glass plate or the like that is connected to the horizontal direction S1 and has a lower end supported on the base 5, a both-side end supported on an adjacent column 6, and an upper end supported on the girder 7 to form a wall surface. The front panel (wall surface member) 8 is provided.

  The roof part 2 is connected to the outer wall T1 of the building body T located above the girder 7 along the lateral direction S1 and one end to the rafter 10 and the other end to the girder 7. And a plurality of rafters 11 arranged at predetermined intervals in the lateral direction S1 and a resin that is fixedly supported by the adjacent rafters 11 and forms a roof surface, such as polycarbonate or acrylic. It is comprised including the roof material 12 of a board and a glass plate.

Adjacent rafters 11 are connected by a middle aggregate (connecting material) 24 disposed between the beam 7 and the rafter 10 and extending in the lateral direction S1.
The base 5, the support 6, the rafter 10, the rafter 11, and the middle aggregate 24 are formed using an aluminum extruded shape.

  Here, as shown in FIG. 2, the rafter 10 of the present embodiment is formed so as to be divided into two members, an upper rafter hanger 10a and a lower rafter hanger 10b. If there is an obstacle 30 such as a shutter box or an awning on the outer wall T1 of the building body T, the lower rafter hanging portion 10b where the obstacle 30 exists is excluded so that the obstacle 30 does not interfere. The rafters 10 can be formed.

  Further, for example, the lower rafter-hanging portion 10b may be partially cut so as not to interfere with the obstacle 30, or the lower rafter-hanging portion 10b may be formed in advance so as to be detachable into a plurality of pieces in the lateral direction S1. In this case, the divided pieces of the lower rafter hanging portions 10b that do not interfere with the obstacle 30 can be removed to prevent the obstacle 30 from interfering with the rafter hanging portion 10. Further, when the lower rafter hanging portion 10b is removed by cutting or the like, a cover member is attached to the end portion to ensure designability from the indoor side.

  Next, as shown in FIGS. 1 and 2, the rafter 11 according to the present embodiment is detachably attached to a rafter body 11a installed between the beam 7 and the rafter hook 10 and a lower end side of the rafter body 11a. The rafter 11 is provided with a rafter decorative material 11b that increases the structural strength of the rafter 11 and improves the design from the indoor side of the sunroom. The rafter 11 includes a rafter cover 11c that is detachably attached to the upper surface of the rafter body 11a and holds the roofing material 12.

  And as above-mentioned, since the part distribute | arranged to the indoor side of the rafter 11 is comprised by two members, the rafter main body 11a and the rafter decoration material 11b, a shutter box, an awning, etc. on the outer wall T1 of the building main body T When the obstacle 30 exists, the rafter 11 may be configured except for the rafter decorative material 11b where the obstacle interferes.

  For example, the rafter decorative material 11b is partially cut so as not to interfere with the obstacle 30, or the front end side of the outer wall T1 of the building main body T of the rafter decorative material 11b can be divided in the material axis direction of the rafter 11 so as to be attached or detached. It may be formed as possible. In this case, it is possible to prevent the obstacle 30 from interfering with the rafter 11 by removing a number of pieces of the rafter decorative material 11b that do not interfere with the obstacle 30. In addition, when the rafter decorative material 11b is removed by cutting or the like, a cover member is attached to the tip of the rafter decorative material 11b so as to ensure designability from the indoor side.

  On the other hand, as shown in FIG. 1, the side wall portion 3 of the present embodiment is formed with a base 5, a column 6, and a side panel (wall surface member) 13, as in the case of the front wall portion 1, or a folding door 14. It is formed by installing windows. Then, one end is connected to the upper end side of the front column 6 of the front wall 1 and the other end is connected to the end 6 of the side wall 3 on the outer wall T1 side of the building body T so that the end beam 15 is in the lateral direction. It is installed horizontally along the depth direction S2. Thus, a rectangular frame portion 20 is formed surrounded by the end beam 15, the end strut 6 of the front wall portion 1, and the end strut 6 of the side wall portion 3, and the strut 6 and the side surface are formed in the rectangular frame portion 20. A panel 13, a window, a folding door 14 and the like are installed.

  Furthermore, a substantially triangular frame portion 21 is formed at the upper portion of the side wall portion 3 so as to be surrounded by the end beam 15, the rafter 11, and the end support 6 of the side wall portion 3.

  And in the side wall part 3 of this embodiment, as shown in FIG.1 and FIG.3, in this substantially triangular frame part 21, the predetermined distance is provided from the wife support | pillar 6 of the side wall part 3. As shown in FIG. A first longitudinal member 31 is disposed, and a second longitudinal member 32 is disposed at a predetermined distance from the front wall portion 1. As a result, a substantially trapezoidal frame portion 33 surrounded by the end beam 15, the rafter 11 of the roof portion 2, the first vertical member 31, and the second vertical member 32 is formed, and the inside of the substantially trapezoidal frame portion 33 is formed. A ventilation window (paper shoji) 35 for the inside-down window is installed to be openable and closable.

  Furthermore, in the side wall part 3 of this embodiment, the metal fittings for opening and closing (opening-closing mechanism) are respectively provided on one side of the ventilation window 35 on the first vertical member 31 side and on the other side of the second vertical member 32 side. ) 36 is provided.

  Specifically, the metal fitting 36 for opening and closing of the present embodiment is, for example, a whitco provided with a stay 36a. As shown in FIG. 4, one end is used for the first vertical member 31 and the second vertical member 32 and the other end is ventilated. A stay 36a hinged to a vertical rod 35a of the window frame of the window is provided.

  As a result, it is easier to secure the strength than the conventional case where the stay 25c is hinged to the upper end 25a of the wife rafter 11 and the ventilation window 25 and an opening / closing mechanism is provided. The ventilation window 35 can be opened and closed at the above opening and closing angle θ2.

  The ventilation window 35 includes a catch lock 27 including a top latch receiver 27 a provided on the rafter 11 and a top latch 27 b provided on the upper collar 35 b of the ventilation window 35. As a result, the ventilation window 35 can be returned into the frame 33 and the top latch 27b can be engaged with the top latch receiver 27a to hold the ventilation window 35 in a closed state. Further, when the user operates the top latch 27b with a hook bar or the like to release the engagement between the top latch 27b and the top latch receiver 27a, the ventilation window 25 can be tilted and opened.

  Moreover, in the side wall part 3 of this embodiment, as shown in FIG. 3, the building surrounded by the end beam 11, the end rafter 11 of the roof part 2, the 1st vertical member 31, and the end support 6 of the side wall part. The frame portion 37 on the outer wall T1 side of the main body T and the frame portion 38 on the front wall portion 1 side surrounded by the end beams 11 and the rafters 11 of the roof portion 2 and the second vertical members 32 have a FIX window 39 and the like. is set up.

  And in the building exterior structure B of this embodiment comprised as mentioned above, in the substantially triangular frame part 21 of the side wall part 3 enclosed by the wife beam 15, the wife rafter 11, and the wife support | pillar 6, side surface A first vertical member 31 is provided at a predetermined interval from the end support 6 of the wall 3, that is, at a predetermined interval from the outer wall T 1 of the building body T. The first vertical member 31, the end beam 15, and the rafter By providing the ventilation window 35 in the frame part 33 surrounded by 11, the ventilation window 35 is installed in a state in which the position of one side part of the ventilation window 35 is separated from the outer wall T1 of the building body T by a predetermined interval. The

  Thereby, even when there is an obstacle 30 such as a shutter box or an awning on the outer wall T1 of the building body T, by setting the position of the first vertical member 31 according to the protruding amount of the obstacle 30, The obstacle 30 is prevented from obstructing the opening and closing of the ventilation window 35, and the ventilation window 35 can be preferably provided.

  Further, in addition to the first longitudinal member 31, the front wall portion 1 is provided in the substantially triangular frame portion 21 of the side wall portion 3 surrounded by the wife beam 15, the rafter 11, and the wife pillar 6 of the side wall portion 3. A second vertical member 32 is provided at a predetermined distance (at a position on the outer wall T1 side of the building body T from the front wall portion 1). The second vertical member 32, the first vertical member 31, the end beam 15, and the tsum rafter. 11 is provided with a ventilation window 35 in the frame portion 33 surrounded by the first vertical member 31 and the vertical rod 35a on one side of the ventilation window 35, the second vertical member 32 and the ventilation window 35. It is possible to open and close the ventilation window 35 by connecting the vertical rods 35a on the other side with open / close fittings 36 such as a whitco. That is, an opening / closing mechanism can be provided on the side of the ventilation window 35.

  An opening / closing mechanism that opens and closes the ventilation window 35 as an inward window is provided by connecting to the first vertical member 31 and / or the second vertical member 32 and the vertical rod 35a on the side of the ventilation window 35. Thus, as compared with the case where the opening / closing mechanism is provided by connecting the upper window and the upper frame of the ventilation window as described above, the strength can be secured easily, and the opening / closing angle θ2 of the ventilation window 35 can be increased.

  Therefore, according to the building exterior structure B of this embodiment, the ventilation window 35 can be installed in a state in which the position of the side portion of the ventilation window 35 is separated from the outer wall T1 of the building body T at a predetermined interval. Even if there is an obstacle 30 such as a shutter box or an awning in the main body T, the building exterior structure B can be surely added, and a ventilation window 35 can be installed on the side wall 3, and further, a ventilation window as an inward window The opening / closing angle θ2 of 35 can be increased.

  As mentioned above, although one Embodiment of the building exterior structure concerning this invention was described, this invention is not limited to said one Embodiment, It can change suitably in the range which does not deviate from the meaning.

  For example, in the present embodiment, the opening / closing mechanism of the ventilation window 35 has been described as being a whitco. However, other opening / closing brackets (opening / closing mechanisms) such as telescopic arms, push-down hardware, and stopper-attached hardware may be used. . Even in this case, the ventilation window 35 can be greatly opened by providing it on one side or the other side of the substantially trapezoidal ventilation window 35 as in this embodiment.

DESCRIPTION OF SYMBOLS 1 Front wall part 2 Roof part 2a One end 2b The other end 3 Side wall part 4 Foundation 5 Base 6 Support column 6a Lower end part 7 Girder 8 Front panel (wall member)
10 Rafter Hang 10a Upper Rafter Hang 10b Lower Rafter Hang 11 Rafter 11a Rafter Body 11b Rafter Cosmetic Material 11c Rafter Cover 12 Roof Material 13 Side Panel (Wall Member)
14 Folding door 15 Tail beam 20 Rectangular frame portion 21 Triangular frame portion 23 FIX window 24 Medium aggregate 25 Ventilation window (shoji)
25a Upper rod 26 Opening / closing bracket (opening / closing mechanism)
26a Frame mounting member 26b Joiner mounting member 26c Stay 27 Catch lock 27a Top latch receiver 27b Top latch 30 Obstacle (shutter box)
31 1st vertical member 32 2nd vertical member 33 substantially trapezoidal frame part 35 Ventilation window (shoji)
36 Opening / closing bracket (opening / closing mechanism)
36a stay 37 frame portion 38 frame portion 39 FIX window A conventional building exterior structure B building exterior structure T building body T1 outer wall

Claims (3)

A front wall part, a roof part provided with one end side connected to the front wall part, a pair of side faces provided with one side end side connected to the front wall part and an upper end side connected to the roof part A building exterior structure constructed by connecting the other end side of the roof part and the other side end of the side wall part to the outer wall of the building body,
At least one of the side wall portions includes a wife beam having one end connected to the wife strut of the front wall portion and the other end connected to the wife strut of the side wall portion on the outer wall side of the building body. It is configured with a ventilating window that can be opened and closed in a substantially triangular frame part surrounded by beams, rafters of the roof part and wife struts of the side wall part,
And in the frame portion, a first vertical member is disposed at a predetermined interval from the wife strut of the side wall portion,
The building exterior structure characterized by the said ventilation window being provided in the frame part enclosed by the said end beam, the end rafter of the said roof part, and the said 1st vertical member. In the building external structure according to claim 1,
A second vertical member is disposed at a predetermined distance from the front wall portion in the frame portion,
The building exterior structure characterized by the said ventilation window being provided in the frame part enclosed with the said end beam, the end rafter of the said roof part, the said 1st vertical member, and the said 2nd vertical member. In the building external structure according to claim 1 or 2,
An opening / closing mechanism that opens and closes the ventilation window as an inward window is provided in connection with the first vertical member and / or the second vertical member and a vertical rod on the side of the ventilation window. Building external structure.

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