JP5086854B2 - Joinery - Google Patents

Description

  The present invention relates to a joinery, and more particularly to a joinery including at least one shoji that is supported by a window frame so as to be slidable.

Conventionally, as the airtight and watertight structure of the summoning part of the fittings such as the sliding window and the sliding window, the airtight material attached to the inner summoning bowl is brought into contact with the outer summoning bowl, and the inner and outer summoning fences are opposed to each other. A structure that prevents the intrusion of outside air or rainwater from between the surfaces is known (see, for example, Patent Document 1).
The conventional airtight and watertight structure described in Patent Document 1 is such that the engagement pieces (smoke return) of the inner and outer sump bowls formed on the outdoor side of the airtight material are engaged with each other. Constructs a secondary water stop line, forms a secondary water stop (air tight) line with the airtight material on the inside of the room, and forms a double tight line to secure air tight performance and water tight performance It is. Furthermore, in order to make the space surrounded by the opposing surfaces of the inner and outer summit bowls and the engagement pieces and the airtight material communicate with the outdoor space, and to make this space an equal pressure space, the wind provided in the lower frame and the upper frame A hole (through hole) is formed in the stop plate, and outside air is introduced from this hole into the isobaric space.

Japanese Patent No. 3615421

  However, in the conventional air-tight and water-tight structure, when outdoor sound enters the isobaric space through the hole provided in the windshield plate, this sound is easily transmitted to the indoor space through the air-tight material. There is a problem that the performance is lowered.

  The objective of this invention is providing the fitting which can improve sound-insulation performance, ensuring sufficient airtightness and watertight performance.

  The joinery of the present invention is a joinery provided with at least one shoji that is supported by a window frame so as to be slidably openable and closable, and the shoji is provided on an upper eave, a lower eave, and left and right vertical eaves. A first summing portion configured with one of the left and right vertical fences in a prospective direction with a second summing portion provided on the window frame or other shoji. A pair of longitudinal air-tight members parallel to each other along the longitudinal direction of the summoning section is provided in one of the first summoning section and the second summoning section. Provided in contact with the mating portion, and in the closed state of the shoji, the first facing surface portion of the first summing portion and the second facing surface portion of the second summing portion are located facing each other, The summons defined by the pair of longitudinal airtight members between the first and second opposing surface portions. An outside air introduction hole for introducing outside air into the summing space is provided in at least one of the first and second opposing surface portions, and the outside air introduction hole is provided in the summing air space. It is characterized by communicating with the outdoor space through the hollow interior of the mating portion.

  Here, the joinery of the present invention may be a single sliding window, a sliding window, or a two-storied or four-story draw window. That is, the joinery of the present invention is a window having a summing part, such as a type in which sliding doors that can be freely opened and closed overlap each other and a type that closes by overlapping a part of the shoji and the window frame. Good. And when the joinery is a single sliding window, the movable shoji can be opened and closed along the indoor side or outdoor side of the fixed shoji, fixed panel, sleeve wall, etc. The 1st summoning part should be comprised, and the 2nd summoning part should just be comprised by the vertical saddle (summoning scissors) and vertical bone of a fixed shoji, the edge of a fixed panel, the edge of a sleeve wall, etc. In addition, when the joinery is a sliding window, it may be a general two-story sliding window, or a three-story or four-story sliding window. As long as it is configured so that the summoning sections (summit baskets) in any pair of shojis overlap and close.

  According to the present invention as described above, a summing space partitioned by a pair of longitudinal airtight members is formed between the first facing surface portion of the first summing portion and the second facing surface portion of the second summing portion. Thus, the intrusion of outside air and rainwater from the outdoor side can be double prevented, and the airtightness performance and watertightness performance can be improved. Then, by introducing the outside air into the summing space from the outside air introduction hole provided in at least one of the first facing surface portion and the second facing surface portion, the summing space is made an isobaric space equal to the outdoor space. It is possible to reliably prevent intrusion of rainwater due to a pressure difference. Furthermore, because the outside air introduction hole communicates with the outdoor space through the inside of the summoning section, sound from the outside is attenuated when passing through the inside of the summoning section, and reaches the summing space from the outside air introduction hole. The volume (sound pressure) to be played can be reduced. Therefore, since the level of the sound reaching the room through the vertical airtight material from the summing space can be lowered, the sound insulation performance can be improved.

At this time, in the joinery of the present invention, the first summoning portion is formed in a long and hollow shape as a whole, a partition wall partitioning the hollow interior to the left and right, and a first partition partitioned by the partition wall. The partition wall is formed with a communication hole for communicating the first hollow part and the second hollow part, and the outside air introduction hole is formed by the first summing part. Provided in a position where the second hollow portion and the summing space are communicated with each other in the first facing surface portion, and the second hollow portion is brought into the outdoor space through an opening at a longitudinal end portion of the first summing portion. It is preferable that it is connected.
According to such a configuration, the hollow interior of the first summing portion is partitioned by the partition wall into the first hollow portion and the second hollow portion, and the second hollow portion and the summing space are communicated by the outside air introduction hole, The first hollow portion and the outdoor space communicate with each other, and a communication hole is provided in the partition wall, so that the first hollow portion, the communication hole, the second hollow portion, and the outside air introduction hole are provided from the end of the first summing portion. An outside air introduction path to the summoning space is formed. Therefore, the sound that enters from the outside is first attenuated at the opening position of the first hollow part at the end of the first summing part, then attenuated when passing through the communication hole of the partition wall, and further the second hollow part. When passing through the outside air introduction hole from the part, it is attenuated. By forming such an outside air introduction path and causing multiple (at least three times) sound attenuation, the level of the sound reaching the summoning space can be sufficiently reduced, and further the sound entering the indoor side can be reduced. Sound transmission performance can be improved.

Further, in the joinery of the present invention, the first summing portion is formed in a long and hollow shape as a whole. At least the inside of the upper ridge or the lower ridge is communicated among the ridges, and the outside air introduction hole is at a position where the hollow portion and the summing space in the first facing surface portion of the first summing portion communicate with each other. The hollow part of the said 1st summoning part may be provided, and it may be connected to outdoor space via the opening provided in either the said upper eaves, the lower eaves, and the vertical eaves on the door-end side.
According to such a configuration, the hollow portion of the first summing portion and the summing space are communicated with each other through the outside air introduction hole, and the hollow portion of the first summing portion is connected to the inside of the upper or lower armor or the door end side. By connecting the inside of the downpipe and by opening the upside down or downside or downside of the door to the outdoor space, In addition, an outside air introduction path that reaches the summing space through the inside of the lower arm, the hollow portion of the first summing portion, and the outside air introduction hole is formed. Therefore, the sound coming from the outside is first attenuated at the opening position of the upper and lower fences or the vertical fence on the door end side, and then attenuated until reaching the first summing section, and further the first summoning. When it passes through the outside air introduction hole from the hollow part of the part, it is attenuated. By forming such a long-distance outside air introduction path and causing sound attenuation, the level of sound reaching the summoning space can be sufficiently reduced, and transmission of sound to the indoor side is further reduced. The sound insulation performance can be improved.

In the fitting of the present invention, the outside air introduction hole is provided at a position lower than the lower edge of the upper collar and higher than the upper edge of the lower collar in the first facing surface portion of the first summing portion. It is preferable that
According to such a configuration, the outside air introduction hole in the first summoning section is provided at a position higher than the upper edge of the lower arm, so that rainwater entering the summoning space from the lower frame, etc., and each part of the shoji It is possible to prevent rainwater or the like that falls to the lower frame and drains from entering the first summoning section through the outside air introduction hole again. In addition, since the outside air introduction hole is not located in the joint portion between one vertical rod constituting the first or second summing portion and the upper rod or the lower rod, various parts (sliding) provided in the joint portion It is possible to prevent the introduction of outside air from being hindered by parts, door pulleys, joining screws, windshield plates, and the like.

Furthermore, in the joinery of the present invention, a cover member is attached to the outside air introduction hole, and a first opening that opens toward the summing space and an inner side of the summing portion are found in the cover member. It is preferable that a ventilation path having a second opening opened in the direction is formed.
According to such a configuration, the ventilation member bent in a substantially L shape is formed in the cover member provided in the outside air introduction hole, so that sound can be attenuated when passing through this ventilation route, and sound insulation performance is further improved. Can be improved. At this time, the second opening of the cover member opens in the direction of finding, so that when the outside air introduction hole is provided in one longitudinal wall of the shoji, the second opening is directed toward the side opposite to the side holding the face material. By providing, it is possible to avoid the interference between the gasket or bead for holding the face material and the cover member, and to smoothly introduce the outside air. Further, by providing the cover member in the outside air introduction hole, the inside of the summoning portion can be prevented from being seen through the outside air introduction hole, and the design of the joinery can be improved.

At this time, in the joinery of the present invention, it is preferable that the cover member is formed to have a bottom surface portion that is located on the outer side of the prospective direction than the first opening and forms the ventilation path.
According to such a configuration, since the bottom surface portion of the cover member is located outside the prospective direction room of the first opening, it can be blocked by the bottom surface portion so that the inside of the summoning portion cannot be seen. Can be further improved.

Further, in the fittings of the present invention, the window frame, upper frame, it is constituted by four sides framework the lower frame and left and right vertical frame, to one of the upper rail and the upper frame of the shoji, sliding on the other A pair of upper side airtight materials that can contact each other is provided, and either one of the lower heel of the shoji and the lower frame is provided with a pair of lower side airtight materials that can be in sliding contact with the other, and the door of the shoji A pair of door-end-side vertical airtight materials that can come into contact with the other when the paper sliding door is closed are provided on either the side vertical fence or the vertical frame, and the upper horizontal airtight material and the lower horizontal airtight material In addition, it is preferable that an airtight line is continuously formed by the door-end-side vertical airtight material and the vertical airtight material of the summing unit.
According to such a configuration, by forming an airtight line from each pair of airtight materials, the airtight performance and the watertight performance can be improved, and even in an environment where rain accompanied by a strong wind is blown, Intrusion can be reliably prevented. And even if such a double airtight line is formed and a summing space that is equal in pressure to the outside air is formed in the summoning section, the sound transmission performance is prevented by preventing the transmission of sound from the summoning section as described above. Can also be increased.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Drawing 1 is a longitudinal section showing sliding window 1 which is a fitting concerning an embodiment of the present invention. FIG. 2 is a cross-sectional view showing the sliding window 1.
1 and 2, a sliding window 1 includes a window frame 2 fixed to an opening of an outer wall of a building, and an indoor side shoji 10 which is a pair of indoor and outdoor shojis supported inside the window frame 2 so as to be opened and closed. And an outdoor shoji 20. The window frame 2 is constituted by an upper frame 3 and a lower frame 4 made of an aluminum profile, and left and right vertical frames 5 and 6 having a four-round frame. The indoor shoji 10 and the outdoor shoji 20 are respectively made of aluminum-shaped upper coffins 11, 21, lower coffins 12, 22, left and right vertical coffins 13, 23 and summoning coffins 14, 24 (inner The summoning bowl 14 and the outside summoning bowl 24) and the glass panels 15 and 25 fitted into the four-sided combination of these are constituted. The indoor shoji 10 and the outdoor shoji 20 have the door toe 13 in contact with the right vertical frame 6, the door toe 23 in contact with the left vertical frame 5, and the inside and outside summing rods 14 and 24. Closes in the expected direction (indoor / outdoor direction). That is, the first and second summing portions of the present invention are constituted by one and the other of the inner and outer summons 14 and 24.

  As shown in FIG. 1, the upper frame 3 of the window frame 2 has a bottom surface portion 31 extending in a prospective direction on the indoor side with respect to the upper collar 11 of the indoor side shoji 10, and an upper side from the outdoor end portion of the bottom surface portion 31. The first finding surface portion 32 that is bent and extends vertically and the first upper surface portion 33 that extends from the upper end portion of the first finding surface portion 32 to the outdoor side are formed. Further, the upper frame 3 includes a second finding surface portion 34 that extends vertically between the indoor shoji 10 and the outdoor shoji 20, and a second upper surface portion 35 that extends outward from the upper end portion of the second finding surface portion 34. And an outdoor upper rail 36 that extends downward from an intermediate position of the second upper surface portion 35 to guide the upper arm 21 of the outdoor shoji 20 and an outdoor end of the second upper surface portion 35 and extends vertically. The outdoor-side finding surface portion 37 is formed. A resin cover member 3A along the longitudinal direction of the upper frame 3 is attached to a portion formed in a U shape in the first finding surface portion 32, the first upper surface portion 33, and the second finding surface portion 34, and the upper At the middle position in the longitudinal direction of the frame 3, the upper frame windshield plate 3B that can be brought into contact with the upper end portion of the inner summing rod 14, and the inner and outer summing rods 14 and 24 below the second finding surface portion 34. An upper frame windshield plate 3E that can be contacted is attached. Further, a first upper side airtight material 3C that can be slidably contacted with the indoor side surface of the upper saddle 11 of the indoor side shoji 10 is attached to the outside of the lower end portion of the first finding surface portion 32, and the lower end portion of the second finding surface portion 34 is located outside the lower end portion of the room. Is attached with a second upper side airtight material 3D slidably in contact with the indoor side surface of the upper saddle 21 of the outdoor shoji 20.

  The lower frame 4 has an upper surface portion 41 extending in a prospective direction on the indoor side of the lower heel 12 of the indoor side shoji 10 and a first finding extending upward and downward by bending downward from the outdoor side end portion of the upper surface portion 41. A surface portion 42, a first bottom surface portion 43 that extends outward from the lower end portion of the first finding surface portion 42, and an indoor lower rail 44 that continues to the first bottom surface portion 43 and guides the door 12A of the indoor shoji 10 Are formed. Further, the lower frame 4 includes a second bottom surface 45 extending outward from the lower end of the indoor lower rail 44, and an outdoor lower rail that guides the door 22A of the outdoor shoji 20 rising from the middle position of the second bottom surface 45. 46 and a groove-like drainage groove 47 that is continuous with the outdoor end of the second bottom surface 45. In addition, the indoor lower rail 44 of the lower frame 4 is formed with an airtight material holding portion 48 extending outward. Then, at the middle position in the longitudinal direction of the lower frame 4, the portion that is formed in a U shape by the first finding surface portion 42, the first bottom surface portion 43, and the indoor lower rail 44 contacts the lower end portion of the inner summing bowl 14. A possible first lower frame windshield plate 4A is attached, and on the outside of the indoor lower rail 44 and on the upper side of the airtight material holding portion 48, the lower end portion of the inner summing bowl 14 and the inner side surface of the outer summing bowl 24 are provided. The 2nd lower frame wind-stop board 4B which can contact | abut is attached. Further, a first lower lateral airtight member 4C that can slide on the inner side surface of the lower arm 12 of the indoor shoji 10 is attached to the outer side of the upper end portion of the first finding surface portion 42, and the outdoor distal end of the airtight material holding portion 48 is attached. The lower lower side airtight material 4D that can be slidably contacted with the lower side 22 of the outdoor shoji 20 on the indoor side is attached to the part.

  On the other hand, as shown in FIG. 2, the vertical frame 5 of the window frame 2 includes a prospective surface portion 51 extending in the prospective direction (vertical direction in FIG. 2), and a doorway of the outdoor shoji 20 at a midway position of the prospective surface portion 51. There is an airtight material holding portion 52 that extends inwardly in the direction of finding (the right side in FIG. 2) on the indoor side of the rod 23, and a pulling piece 53 that draws the door-end rod 23 toward the indoor side when the outdoor shoji 20 is closed. Is formed. And the 1st door end side vertical airtight material 5A which can be contact | abutted on the door inner side 23 indoor side surface of the outdoor shoji 20 is attached to the outdoor side of the airtight material holding | maintenance part 52. FIG. In addition, the vertical frame 6 has a prospective surface portion 61 extending in the prospective direction, and is located in the middle of the prospective surface portion 61 and on the inner side in the direction of finding (left side in FIG. 2) on the indoor side of the door-side fence 13 of the indoor shoji 10. The airtight material holding portion 62 extends and a pulling piece 63 that pulls the door rod 13 toward the indoor side when the indoor shoji 10 is closed is formed. And the 2nd door end side vertical airtight material 6A which can contact | abut on the indoor side side of the door rod 13 of the indoor side shoji 10 is attached to the outdoor side of the airtight material holding | maintenance part 62. As shown in FIG.

Next, the configuration of the indoor shoji 10 will be described with reference to FIGS. Here, FIG. 3 is a perspective view of the window frame 2 and the indoor shoji 10 viewed from the outdoor side, and shows a state in which the outdoor shoji 20 is removed from the sliding window 1.
As shown in FIG. 1, a third upper side airtight material 11 </ b> B that is slidable on the indoor side surface of the second finding surface portion 34 of the upper frame 3 is attached to the outer side of the upper end portion of the upper saddle 11 of the indoor side shoji 10. Yes. In addition, a third lower side airtight material 12 </ b> C that is slidable on the outer side of the indoor lower rail 44 of the lower frame 4 is attached to the indoor side of the lower end portion of the lower rod 12. Further, as shown in FIG. 2, a third door end side vertical airtight member 13 </ b> B that can come into contact with the outer side surface of the pulling piece 63 of the vertical frame 6 is attached to the front end indoor side of the door end rod 13. Further, as shown in FIGS. 2 and 3, the inner summoning bowl 14 has a smoke return 149 that is an engaging portion that protrudes to the outside of the room and is bent in a hook shape inwardly in the finding direction (right side in FIG. 2). Is formed. Also, a pair of vertical airtight members 14B and 14C are attached to the outdoor side surface portion 142 of the inner summon bowl 14 so as to protrude to the outdoor side and come into contact with the indoor side surface portion 241 of the outer summit bowl 24 described later. ing.

  In such an indoor side shoji 10, the first upper side airtight material 3 </ b> C of the upper frame 3 is in sliding contact with the indoor side surface of the upper frame 11, and the third upper side airtight material 11 </ b> B of the upper frame 11 is the first frame of the upper frame 3. 2 The indoor upper airtight line is doubled by slidingly contacting the finding surface portion 34. The first lower lateral airtight material 4C of the lower frame 4 is in sliding contact with the indoor side surface of the lower rod 12, and the third lower lateral airtight material 12C of the lower frame 12 is in sliding contact with the indoor lower rail 44, thereby Double airtight lines are formed. Further, the second door-end side vertical airtight material 6A of the vertical frame 6 abuts on the indoor side surface of the door-end rod 13 and the third door-end side vertical airtight material 13B of the door-end rod 13 is the attracting piece of the vertical frame 6. By abutting on 63, the vertical airtight line of the indoor door tip is formed in a double manner.

  Next, the configuration of the outdoor shoji 20 will be described with reference to FIGS. 1 and 2 and FIGS. Here, FIG. 4 is a perspective view of the window frame 2 and the outdoor shoji 20 as viewed from the indoor side, and shows a state in which the indoor shoji 10 is removed from the sliding window 1. 5 and 6 are a longitudinal sectional view and a transverse sectional view showing the window frame 2 and the outdoor shoji 20, respectively.

  As shown in FIG. 5, the upper arm 21 of the outdoor shoji 20 includes a room side surface portion 211 that extends vertically on the indoor side, and a chamber that extends vertically on the outdoor side facing the room side surface portion 211. The outer side surface portion 212, the first and second horizontal surface portions 213 and 214 extending in the prospective direction by connecting the indoor side and outdoor side surface portions 211 and 212, and the indoor side surface portion 211 are connected to the second side surface 211. It has an indoor holding piece 215 extending downward from the horizontal plane 214 and an outdoor holding piece 216 that is continuous with the outdoor side face 212 and bends outward from the second horizontal plane 214 and extends downward. Is formed. The upper rod 21 includes an inner and outer side surface portions 211 and 212, an upper rod hollow portion 217 surrounded by the first and second horizontal surface portions 213 and 214, and a second horizontal surface portion 214. A face material holding portion 218 that is formed in a substantially U-shape with the holding pieces 215 and 216 on the indoor side and the outdoor side and that opens downward is provided. The face material holding portion 218 holds the upper edge of the glass panel 25 via a sealing material 21A, a gasket, or the like. By holding the glass panel 25, the face material holding portion 218 is formed in a hollow shape. It has become. In addition, a fourth upper side airtight member 21 </ b> B capable of sliding contact with the outdoor side surface of the outdoor upper rail 36 of the upper frame 3 is attached to the indoor side of the upper side of the outdoor side surface portion 212 of the upper collar 21.

  In addition, the lower collar 22 of the outdoor shoji 20 has an indoor side surface portion 221 that extends vertically on the indoor side, and an outdoor side surface portion 222 that extends vertically on the outdoor side facing the indoor side surface portion 221. The first and second horizontal surface portions 223 and 224 extending in the prospective direction by connecting the indoor side and outdoor side surface portions 221 and 222, and the indoor side surface portion 221 and continuing to the second horizontal surface portion 224. An indoor holding piece 225 extending upward and an outdoor holding piece 226 extending upward from the second horizontal plane part 224 in succession to the outdoor side surface part 222 are formed. The lower rod 22 includes an indoor side and outdoor side surface portions 221, 222, a lower rod hollow portion 227 surrounded by the first and second horizontal surface portions 223, 224, and a second horizontal surface portion 224. A face material holding portion 228 that is formed in a substantially U shape by the indoor side and outdoor side holding piece portions 215 and 216 and opens upward is provided. The face material holding portion 228 holds the lower end edge of the glass panel 25 via a sealing material 22B, a gasket, or the like. By holding the glass panel 25, the face material holding portion 228 is formed in a hollow shape. It has become. A fourth lower side airtight member 22 </ b> C that is slidable on the outdoor side surface of the outdoor lower rail 46 of the lower frame 4 is attached to the indoor side of the lower end portion of the outdoor side surface portion 222 of the lower rod 22.

  On the other hand, as shown in FIG. 6, the door rod 23 of the outdoor shoji 20 has an indoor side surface portion 231 extending leftward and rightward in the finding direction on the indoor side, and the indoor side surface portion 231 facing the indoor side surface portion 231. The left and right outdoor side surfaces 232, the first and second prospective surface portions 233 and 234 extending in the prospective direction by connecting the indoor and outdoor side surfaces 231 and 232, and the indoor side surface portion 231. An indoor side holding piece 235 that continuously extends inward in the direction of finding than the second prospective surface part 234, and an outdoor side holding piece that extends continuously inward of the second prospective surface part 234 and bends inward in the finding direction. Part 236. The door-end fence 23 includes a door-end fence hollow portion 237 surrounded by the indoor and outdoor side portions 231 and 232, the first and second prospective surface portions 233 and 234, and a second prospective surface portion. 234 and the indoor and outdoor holding pieces 235 and 236 are provided with a face material holding portion 238 that is formed in a substantially U shape and opens inward in the direction of finding. The face material holding portion 238 holds the side edge of the glass panel 25 via a sealing material 23A, a gasket, and the like. By holding the glass panel 25, the face material holding portion 238 is formed in a hollow shape. It is like that. Further, a fourth door-end-side vertical airtight material 23B that can come into contact with the pull-out piece 53 of the vertical frame 5 on the outer side surface of the outdoor side surface portion 232 of the door-end rod 23 is attached.

  In addition, the outdoor sump 24 of the outdoor shoji 20 includes an indoor side surface portion 241 that extends leftward and rightward in the finding direction on the indoor side, and an outdoor side that extends leftward and rightward on the outdoor side facing the indoor side surface portion 241. A side surface 242, a first prospective surface portion 243 that connects these indoor side and outdoor side surface portions 241, 242 and extends in the prospective direction to form a side end surface of the outside summit bowl 24, and the indoor side and outdoor side A second prospective surface portion 244 that connects the side surface portions 241 and 242; an indoor holding piece portion 245 that extends inward of the second prospective surface portion 244 in succession to the indoor side surface portion 241; and a second prospective surface portion 244. And an outdoor side holding piece portion 246 that extends continuously inward and bends inward in the direction of finding. The outside summoning bowl 24 has a summit bowl hollow portion 247 surrounded by the indoor and outdoor side portions 241 and 242 and the first and second prospective face portions 243 and 244, and a second prospect. A face material holding portion 248 that is formed in a substantially U shape by the face portion 244 and the holding pieces 245 and 246 on the indoor side and the outdoor side and that opens inward in the direction of finding is provided. Further, on the indoor side surface portion 241 of the outside summoning bowl 24, an engaging portion that protrudes inward from the indoor side continuously to the first prospective surface portion 243 and is bent in a hook shape inwardly in the direction of finding (left side in FIG. 6). A smoke return 249 is formed. The side edge of the glass panel 25 is held on the face material holding part 248 of the outer summon bowl 24 via a sealing material 24A, a gasket, and the like. By holding the glass panel 25, the face material holding part 248 is retained. Is formed in a hollow shape. In addition, the indoor holding piece 245 of the outside summit bowl 24 is provided with an outside air introduction hole 24B described later.

  In such an outdoor shoji 20, the face material holding portion 218 of the upper heel 21, the face material holding portion 228 of the lower heel 22, the face material holding portion 238 of the door toe ridge 23, and the surface of the outer summon candy 24 The material holding portion 248 is in communication with each other. That is, the face material holding portions 218, 228, 238, and 248 are continuously formed four times along the top, bottom, left, and right edges of the glass panel 25. Further, between the outdoor shoji 20 and the window frame 2, the second upper side airtight material 3D of the upper frame 3 is in sliding contact with the indoor side surface portion 211 of the upper frame 21, and the fourth upper side of the upper frame 21 is The airtight member 21B is in sliding contact with the outdoor upper rail 36 of the upper frame 3, so that the outdoor upper airtight line is doubled. The second lower side airtight material 4D of the lower frame 4 is in sliding contact with the indoor side surface portion 221 of the lower rod 22, and the fourth lower side airtight material 22C of the lower rod 22 is in sliding contact with the outdoor lower rail 46. The outdoor lower airtight line is formed double. Further, the first door-end side vertical airtight material 5 </ b> A of the vertical frame 5 abuts on the indoor side surface portion 231 of the door-end rod 23, and the fourth door-end side vertical airtight material 23 </ b> B of the door-end rod 23 is By abutting on the pulling piece 53, the vertical airtight line of the outdoor door tip is doubled.

  In the state where the indoor shoji 10 and the outdoor shoji 20 are closed, as shown in FIG. 2, the inner summon basket 14 and the outer summon basket 24 overlap in the prospective direction, and the chamber of the inner summon bowl 14 The outer side surface portion 142, the indoor side surface portion 241 and the indoor side holding piece portion 245 of the outside summit bowl 24 are positioned to face each other. In this closed state, the vertical airtight material 14B of the inner summoning bowl 14 contacts the indoor holding piece 245 of the outer summing bowl 24, the vertical airtight material 14C contacts the indoor side surface 241 and the smoke return 149. , 249 are engaged with each other so that the inner and outer summit baskets 14, 24 are attracted to each other. In this way, the pair of vertical airtight members 14B, 14C of the inner summoning bowl 14 and the outer summing basket 24 come into contact with each other, so that the vertical airtight line of the summing section is doubled. Further, since the vertical airtight line of the summoning section is formed double, the indoor upper airtight line and the outdoor upper airtight line are continuous, and the indoor lower airtight line and the outdoor lower airtight line are continuous. In the sliding window 1 as a whole, double hermetic lines are continuously formed.

  In addition, between the inside and outside summing rods 14 and 24 in the indoor side shoji 10 and the outside shoji 20, the outdoor side surface portion 142 of the inner summoning rod 14, the indoor side surface portion 241 of the outside summing rod 24, and A summing space S defined by the indoor holding piece 245 and the pair of vertical airtight members 14B and 14C is formed (see FIG. 2). An outside air introduction hole 24B provided in the indoor holding piece 245 of the outside summoning bowl 24 communicates with the outdoor space through a ventilation path described later, and the outside air is introduced into the summing space S through the outside air introduction hole 24B. Is configured to be introduced. In other words, in the present embodiment, the first summoning section is configured by the outer summing basket 24 of the outdoor shoji 20, and the second summing section is configured by the inner summing basket 14 of the indoor shoji 10. And the 1st opposing surface part is comprised by the indoor side surface part 241 and the indoor side holding piece part 245 of the outer summon bowl 24, and the 2nd opposing surface part is comprised by the outdoor side surface part 142 of the inner summon bowl 14. .

Next, the configuration of the outside air introduction hole 24B will be described in detail with reference to FIGS. Here, FIG. 7 is an enlarged perspective view showing a part of the lower frame 4 and the outdoor shoji 20. FIG. 8 is an enlarged cross-sectional view and a side view showing the position of the outside air introduction hole 24 </ b> B in the outdoor summing bowl 24 of the outdoor shoji 20. FIG. 9 is a perspective view showing the cover member 26 attached to the outside air introduction hole 24B.
As shown in FIGS. 6 to 8, the outside air introduction hole 24 </ b> B is formed by perforating the indoor holding piece 245 in the outside summing bowl 24, and the hollow internal space of the face material holding part 248 and the summing space S are formed. (Refer to FIG. 2). Further, as shown in FIG. 7, the outside air introduction hole 24B is formed above the upper edge of the lower collar 22 of the outdoor shoji 20, that is, above the position of the sealing material 22B, and also on the upper collar 21 (not shown). It is formed below the lower end edge. One outside air introduction hole 24 </ b> B may be provided with respect to the entire length in the longitudinal direction (vertical direction) of the outside summit bowl 24. An outside air introduction hole 24B may be provided. A resin cover member 26 is attached to the outside air introduction hole 24B.

  As shown in FIGS. 8 and 9, the cover member 26 includes a substantially rectangular frame-shaped cover front surface portion 261 that is in close contact with the indoor surface of the indoor holding piece 245 at the periphery of the outside air introduction hole 24 </ b> B, and the cover front surface portion 261. Cover side surface portions 262, 263, and 264 that extend inward from the side material holding portion 248 of the outer summoning bowl 24 continuously to the sides, and parallel to the cover front surface portion 261 that continue to these cover side surface portions 262, 263, and 264 And a cover bottom surface portion 265 provided on the cover. That is, the cover member 26 is formed in a substantially box shape having a first opening 26A that opens toward the summing space S. On the other side of the cover front surface portion 261, a cover connection portion 266 that connects the cover front surface portion 261 and the cover bottom surface portion 265, and two second openings 26B that open to the side are provided. . Further, the cover bottom surface portion 265 of the cover member 26 is provided with a pair of engagement piece portions 267 that protrude vertically and engage with the upper and lower edges of the outside air introduction hole 24B. By engaging with the outside air introduction hole 24B, the cover member 26 is attached to the indoor holding piece 245 in a clipped manner.

  In such a cover member 26, as shown in FIG. 8A, one cover side surface part 262 is the opening side of the face material holding part 248 (that is, the glass panel 25 and the seal material 24A side), and the outdoor shoji 20 in the closing direction), and the second opening 26B is attached so as to open toward the second prospective surface portion 244 side of the outside summoning bowl 24 (that is, the opening direction side of the outdoor shoji 20). Then, outside air that has entered the inside of the face material holding portion 248 communicated with the outdoor space is taken into the inside of the cover member 26 from the second opening 26B, and outside air is introduced into the summing space S through the first opening 26A. A supply air passage 26C is formed. Further, by attaching the cover member 26 to the outside air introduction hole 24B, as shown in FIG. 8B, when the outside summoning bowl 24 is viewed from the indoor side, the cover member 26 is passed through the first opening 26A. Although the interior (ventilation path 26C) can be seen, it is blocked by the cover bottom surface portion 265 so that the interior of the outside summoning bowl 24 (surface material holding portion 248) cannot be seen, and dust, dust, etc. It is configured such that it does not easily enter the mating bar 24.

  Next, an outside air introduction path for introducing outside air into the summoning space S as described above will be described in detail with reference to FIGS. Here, FIG. 10 to FIG. 14 are perspective views of the outdoor shoji 20 as seen from the outdoor side, and are diagrams for explaining each form of the outside air introduction path in the outdoor shoji 20. In the present embodiment, the first to fifth embodiments will be described separately with respect to the outside air introduction route. However, each of these embodiments may be applied independently, and a plurality appropriately selected from the five. These forms may be applied in combination, and all five forms may be applied. That is, it is possible to adjust the amount of outside air by appropriately setting the form of the outside air introduction route according to the climatic conditions of the place where the sliding window 1 is installed, the installation position, the size of the window, and other required performance. It is.

  The outside air introduction route of the first form shown in FIG. Specifically, a communication hole 24C is formed in the second prospective surface portion 244, which is a partition wall that partitions the summoning bowl hollow portion 247 and the face material holding portion 248 of the outer summoning bowl 24, and the communication hole 24C is formed through the communication hole 24C. The summon bowl hollow portion 247 that is the first hollow portion and the face material holding portion 248 that is the second hollow portion are communicated with each other. Then, at the upper end and the lower end, which are the longitudinal ends of the outside sump bowl 24, the sump bowl hollow part 247 is opened to the outdoor space, and the outside air introduced into the sump bowl hollow part 247 from this opening It is configured to be introduced into the face material holding part 248 through the communication hole 24C and to be supplied from the face material holding part 248 to the summing space S through the outside air introduction hole 24B. Accordingly, the communication between the outdoor space and the summoning space S makes it possible to make the summing space S an isobaric space that is equal in pressure to the outdoor space, and to prevent rainwater from entering due to a pressure difference. Yes. The sound in the outdoor space is first attenuated at the end opening of the summon bowl hollow portion 247, reaches the position of the communication hole 24C, and is further attenuated when passing through the communication hole 24C, and then the face material holding portion 248. Then, after reaching the summing space S after being further attenuated by the outside air introduction hole 24B (cover member 26), the sound pressure level reaching the summing space S is lowered.

  The outside air introduction path of the second form shown in FIG. 11 is formed inside the upper bowl 21 and the outside summit bowl 24. Specifically, communication holes 21C and 21D are respectively formed in the first and second horizontal surface portions 213 and 214 of the upper collar 21, and the outdoor space and the upper collar hollow section 217 and the outer space 21C and 21D are provided via these communication holes 21C and 21D. The face material holding part 218 communicates with the face material holding part 248 of the outer summon bowl 24 communicated with the face material holding part 218 of the upper collar 21 so as to communicate with the outdoor space. Then, the outside air introduced into the upper bowl hollow part 217 and the face material holding part 218 from the opening above the upper bowl 21 (the gap between the indoor side surface part 211 and the outdoor side surface part 212) is the surface of the outside summing bowl 24. It introduce | transduces into the material holding | maintenance part 248, and is comprised so that it may supply to the summoning space S from the face material holding | maintenance part 248 via the external air introduction hole 24B. Therefore, the summoning space S can be made an isobaric space having the same pressure as the outdoor space, and rainwater can be prevented from entering due to a pressure difference. The sound in the outdoor space is first attenuated at the opening above the upper bowl 21 and attenuated when passing through the communication holes 21C and 21D, and then enters the face material holding portion 218, so that the surface of the outside summing bowl 24 It is further attenuated by the distance until it reaches the material holding part 248, and when it passes through the outside air introduction hole 24B (cover member 26) from the face material holding part 248, it is further attenuated and reaches the summing space S. The sound pressure level reaching the summing space S is lowered.

  The outside air introduction path of the third form shown in FIG. 12 is formed inside the lower bowl 22 and the outside summit bowl 24. Specifically, communication holes 22D and 22E are respectively formed in the first and second horizontal surface portions 223 and 224 of the lower rod 22, and the outdoor space and the lower rod hollow portion 227 and the via holes 22D and 22E are formed through these communication holes 22D and 22E, respectively. The face material holding part 228 communicates with the face material holding part 228 of the outer summoning bowl 24 communicated with the face material holding part 228 of the lower collar 22 so as to communicate with the outdoor space. Then, the outside air introduced from the lower opening of the lower rod 22 (the gap between the indoor side surface portion 221 and the outdoor side surface portion 222) into the lower flange hollow portion 227 and the face material holding portion 228 It introduce | transduces into the material holding | maintenance part 248, and is comprised so that it may supply to the summoning space S from the face material holding | maintenance part 248 via the external air introduction hole 24B. Therefore, the summoning space S can be made an isobaric space having the same pressure as the outdoor space, and rainwater can be prevented from entering due to a pressure difference. The sound in the outdoor space is first attenuated at the lower opening of the lower rod 22 and is attenuated when passing through the communication holes 22D and 22E, and then enters the face material holding portion 228. It is further attenuated by the distance to reach the face material holding part 248, and is further attenuated when passing through the outside air introduction hole 24B (cover member 26) from the face material holding part 248 before reaching the summing space S. Thus, the sound pressure level reaching the summing space S can be lowered.

  The outside air introduction path of the 4th form shown in FIG. 13 is formed in the inside of the door rod 23, the upper rod 21, the lower rod 22, and the outside summoning rod 24. Specifically, a communication hole 23C is formed in the second prospective surface portion 234 of the door toe cage 23, and the door toe hollow portion 237 and the face material holding portion 238 (see FIG. 6) communicate with each other through the communication hole 23C. It has come to be. And while introducing the outside air introduced into the door-end rod hollow portion 237 from the opening of the upper end and the lower end, which are the longitudinal ends of the door-end rod 23, into the face material holding portion 238 through the communication hole 23C, The face material is introduced into the face material holding part 248 of the outer summoning bowl 24 via the face material holding parts 218 and 228 (see FIG. 5) of the upper and lower eyelets 21 and 22 communicated with the face material holding part 238. The holding unit 248 is configured to supply the summing space S through the outside air introduction hole 24B. Therefore, the summoning space S can be made an isobaric space having the same pressure as the outdoor space, and rainwater can be prevented from entering due to a pressure difference. The sound in the outdoor space is first attenuated at the end opening of the door toe hollow portion 237 and attenuated when passing through the communication hole 23C, and then enters the face material holding portion 238 to enter the outside summit bowl 24. Is further attenuated by the distance until it reaches the face material holding portion 248, and is further attenuated when passing from the face material holding portion 248 through the outside air introduction hole 24B (cover member 26) to reach the summing space S. Thus, the sound pressure level reaching the summing space S can be reduced.

  The outside air introduction path of the fifth form shown in FIG. 14 is formed inside the door rod 23, the upper rod 21, the lower rod 22, and the outside summit rod 24. Specifically, a communication hole 23C is formed in the second prospective surface portion 234 of the door toe wall 23, a communication hole 23D is formed in the first prospective surface portion 233, and the outdoor space and the door toe wall are hollow through the communication hole 23D. The part 237 is in communication. Then, outside air is introduced into the face material holding portion 238 through the communication hole 23D and the communication hole 23C from the opening on the side of the door rod 23 (the gap between the indoor side surface portion 231 and the outdoor side surface portion 232). It is configured. The path for supplying the outside air introduced into the face material holding part 238 to the summing space S is the same as the outside air introduction path of the fourth embodiment, and the summing space S is an isobaric space having the same pressure as the outdoor space. It is possible to prevent rainwater from entering due to pressure difference. The sound in the outdoor space is first attenuated at the opening on the side of the door toe 23 and attenuated when passing through the communication hole 23D and the communication hole 23C, and then enters the face material holding part 238 to be summoned outside. Further attenuated by the distance of the mating rod 24 to reach the face material holding portion 248, and further attenuated when passing from the face material holding portion 248 through the outside air introduction hole 24B (cover member 26) to the summing space S. The sound pressure level that reaches the summing space S is reduced.

According to this embodiment, there are the following effects.
(1) That is, in the window frame 2, the indoor side shoji 10 and the outdoor side shoji 20, the indoor upper airtight line and the outdoor upper airtight line, the indoor lower airtight line and the outdoor lower airtight line, and the vertical airtightness of the indoor door tips. The line and the vertical airtight line at the outdoor door end are each formed as a double airtight line. And in the summing part of the indoor side shoji 10 and the outdoor side shoji 20, the vertical airtight line is formed in double, and the upper airtight line on the indoor side and the outdoor side is formed by the vertical airtight line of this summing part. The lower airtight lines on the indoor side and the outdoor side are continuous. Therefore, the airtight performance and watertight performance of the sliding window 1 can be improved, and rainwater can be reliably prevented from entering even in an environment where rain accompanied by strong winds is blown.

(2) In the summoning section of the indoor shoji 10 and the outdoor shoji 20, the outside summoning bowl S is formed with respect to the summing space S formed between the inner summoning bowl 14 and the outer summoning bowl 24. By introducing the outside air from the outside air introduction hole 24B provided in 24, the summing space S can be made an isobaric space equal to the outdoor space, and the intrusion of rainwater due to the pressure difference can be surely prevented. it can. Furthermore, since the outside air introduction hole 24 </ b> B communicates with the outdoor space through at least the inside of the outside summit bowl 24 (face material holding part 248), when the sound from the outside passes through the inside of the outside summit bowl 24. And the sound pressure level reaching the summing space S from the outside air introduction hole 24B can be reduced. Therefore, since it is possible to prevent sound from passing through the vertical airtight material 14B from the summing space S, the sound insulation performance of the sliding window 1 can be improved.

(3) Further, when outside air is introduced into the summing space S by the outside air introduction path of the first embodiment, a plurality of openings by the end opening of the summoning bowl hollow portion 247, the communication hole 24C, and the outside air introduction hole 24B are provided. The sound can be attenuated, the level of the sound reaching the summing space S can be sufficiently lowered, and the sound insulation performance can be further improved. Further, even when outside air is introduced into the summing space S by the outside air introduction paths of the second and third embodiments, the openings of the upper rod 21 and the lower rod 22, the communication holes 21C and 21D, the communication holes 22D and 22E, The sound can be attenuated a plurality of times by the distance until the outer sump 24 reaches the face material holding portion 248 and the outside air introduction hole 24B. Further, even when outside air is introduced into the summing space S by the outside air introduction path of the fourth and fifth embodiments, the end openings and side openings of the door toe hollow portion 237, the communication holes 23C and 23D, The sound can be attenuated a plurality of times by the distance until the outer sump 24 reaches the face material holding portion 248 and the outside air introduction hole 24B.

(4) Also, the cover member 26 is attached to the outside air introduction hole 24B, and the cover member 26 is formed with a vent path 26C bent in a substantially L shape, so that sound is attenuated when passing through the vent path 26C. The sound insulation performance can be further improved. Further, since the second opening 26B of the cover member 26 is provided to open toward the opening direction of the outdoor shoji 20, the interference between the sealing material 24A for holding the glass panel 25 and the second opening 26B is avoided. The introduction of outside air can be made smooth. Further, by providing the cover member 26 in the outside air introduction hole 24B, the inside of the outside summoning bowl 24 can be prevented from being seen through the outside air introduction hole 24B, and the design of the sliding window 1 can be improved. .

Note that the present invention is not limited to the above-described embodiments, and includes other configurations that can achieve the object of the present invention, and includes the following modifications and the like.
For example, in the above embodiment, the sliding window 1 having a pair of indoor and outdoor shojis 10 and 20 has been described, but the joinery of the present invention may be a single sliding window. When the joinery is a single sliding window, a movable shoji can be slidably opened along the indoor side or the outdoor side of the fixed shoji and longitudinal bone, and the summons of the fixed shoji and movable shoji overlap each other, or the vertical bone And the movable shoji summon bowl are overlapped and closed, and the first and second summing sections may be constituted by these summon bowls and vertical bones.
In addition, as a joinery, it may be a three-story or four-story sliding window or a draw window, so that the summoning fences of any pair of shojis among these movable shojis overlap and close. It is comprised, and the 1st and 2nd summoning part may be comprised by these summons.

  Moreover, in the said embodiment, the outdoor air introduction hole 24B is provided in the outside summoning cage | basket 24 of the outdoor side shoji 20 among the inside and outside summing rods 14 and 24 in the indoor side shoji 10 and the outdoor side shoji 20, and the outdoor side shoji 20 is provided. Although the outside air introduction path is formed inside the outside summoning bowl 24, the upper bowl 21, the lower fence 22, and the doorside fence 23, it is not limited to such a configuration. That is, the outside air introduction hole may be provided in the inner summon bowl 14, or may be provided in both the inner summit bowl 14 and the outer summon bowl 24. When the outside air introduction hole is provided in the inside summoning bowl 14, the outside air introduction hole is provided in the same manner as the outside air introduction path of the first embodiment, and the inside of the inside summoning bowl 14 is a hollow portion of the summoning bowl or holding the face material. It may be configured to communicate with the outdoor space via the section, and the outside air introduction hole provided in the inner summon bowl 14 may be communicated with the face material holders of the upper bowl 11 and the lower bowl 12, For example, the outside air introduction hole may be communicated with the outdoor space by communicating with the face material holding portion of the tip 13.

In addition, the best configuration, method and the like for carrying out the present invention have been disclosed in the above description, but the present invention is not limited to this. That is, the invention has been illustrated and described with particular reference to certain specific embodiments, but without departing from the spirit and scope of the invention, Various modifications can be made by those skilled in the art in terms of material, quantity, and other detailed configurations.
Therefore, the description limiting the shape, material, etc. disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded the limitation of one part or all of such restrictions is included in this invention.

It is a longitudinal section showing a fitting concerning an embodiment of the present invention. It is a cross-sectional view showing the joinery. It is a perspective view which shows the window frame and indoor side shoji in the said fitting. It is a perspective view which shows the window frame and outdoor side shoji in the said fitting. It is a longitudinal cross-sectional view which shows the said window frame and an outdoor shoji. It is a cross-sectional view showing the window frame and the outdoor shoji. It is a perspective view which shows a lower frame and a part of outdoor shoji in the said fitting. It is the cross-sectional view and side view which show the outside summoning basket of the said outdoor side shoji. It is a perspective view which shows the cover member of the external air introduction hole in the said outside summoning bowl. It is a perspective view explaining the 1st form of the external air introduction path | route in the said fitting. It is a perspective view explaining the 2nd form of the external air introduction path | route in the said fitting. It is a perspective view explaining the 3rd form of the external air introduction path | route in the said fitting. It is a perspective view explaining the 4th form of the external air introduction path | route in the said fitting. It is a perspective view explaining the 5th form of the external air introduction path | route in the said fitting.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Sliding window (joint), 2 ... Window frame, 3 ... Upper frame, 3C ... 1st upper side airtight material, 3D ... 2nd upper side airtight material, 4 ... Lower frame, 4C ... 1st lower side airtight material 4D ... 2nd lower side airtight material, 5,6 ... Vertical frame, 5A ... 1st door end side airtight material, 6A ... 2nd door end side airtight material, 10 ... Indoor side shoji, 11 ... Upper arm, 11B ... 3rd upper side airtight material, 12 ... Lower heel, 12C ... 3rd lower side airtight material, 13 ... Toe heel (longitudinal fold), 13B ... Third door end side vertical occlusive material, 14 ... Inside summon tub (Vertical rod and second summoning section), 14B, 14C ... vertical airtight material, 15 ... glass panel (surface material), 20 ... outdoor shoji, 21 ... upper collar, 21B ... fourth upper side airtight material, 22 ... Shimojo, 22C ... 4th lower side airtight material, 23 ... Door end wall (longitudinal wall), 23B ... 4th door end side airtight material, 24 ... Outer summoning bowl (longitudinal wall, first summoning section 24B ... Outside air introduction hole, 2 C ... Communication hole, 25 ... Glass panel (face material), 26 ... Cover member, 26A ... First opening, 26B ... Second opening, 26C ... Ventilation path, 142 ... Outdoor side surface (second opposing surface), 218 , 228, 238 ... face material holding part, 241 ... indoor side surface part (first opposing surface part), 244 ... second prospective surface part (partition wall), 245 ... indoor side holding piece part (first opposing surface part), 247 ... Summit bowl hollow portion (first hollow portion), 248... Face material holding portion (second hollow portion), 265... Cover bottom portion, S.

Claims (7)

A joinery comprising at least one shoji that is slidably opened and closed on a window frame,
The shoji is composed of an upper heel, a lower heel, and left and right vertical folds, and a face material supported by each of these folds, and is a first summing unit configured with one of the left and right vertical folds Is overlapped with the second summoning section provided on the window frame or other shoji in the prospective direction,
In one of the first summoning section and the second summoning section, a pair of vertical airtight materials parallel to each other along the longitudinal direction of the summing section abuts the other summing section. Is possible,
In the closed state of the shoji, the first facing surface portion of the first summing portion and the second facing surface portion of the second summing portion are positioned to face each other, and between the first and second facing surface portions. A summing space defined by the pair of longitudinal airtight materials is formed,
At least one of the first and second opposing surface portions is provided with an outside air introduction hole for introducing outside air into the summing space, and the outside air introduction hole is a hollow interior of the summing portion. Joinery that communicates with the outdoor space through. The first summoning portion is formed in a long and hollow shape as a whole, and includes a partition wall that partitions the hollow interior into left and right sides, and a first hollow portion and a second hollow portion that are partitioned by the partition wall. And the partition wall is formed with a communication hole for communicating the first hollow portion and the second hollow portion,
The outside air introduction hole is provided at a position where the second hollow portion and the summing space are communicated with each other in the first facing surface portion of the first summing portion, and an opening at a longitudinal end portion in the first summing portion. The joinery according to claim 1, wherein the second hollow portion is communicated with an outdoor space via a wall. The first summoning portion is formed in a long and hollow shape as a whole, and at least an upper collar or a lower collar among the hollow section of the first summoning section, the upper collar, the lower collar, and the vertical fence on the door-end side. The inside of the ridge is in communication,
The outside air introduction hole is provided at a position where the hollow portion and the summing space in the first facing surface portion of the first summing portion communicate with each other, and the hollow portion of the first summing portion is the upper collar and the lower portion. The joinery according to claim 1, wherein the joinery communicates with the outdoor space through an opening provided in either the eaves or the vertical eaves on the door-end side.   The said outside air introduction hole is provided in the position which is lower than the lower end edge of the said upper collar and higher than the upper edge of the said lower collar in the 1st opposing surface part of the said 1st summoning part. Item 5. A joiner according to any one of Items 3 to 4.   A cover member is attached to the outside air introduction hole. The cover member has a first opening that opens toward the summing space and a second opening that opens in the direction of finding the inner side of the summing portion. The joinery according to any one of claims 1 to 4, wherein an air passage having an opening is formed.   The said cover member is a fitting of Claim 5 which has a bottom face part which is located in the prospective direction outdoor side rather than the said 1st opening, and forms the said ventilation path. The window frame is composed of an upper frame, a lower frame, and left and right vertical frames, and a four-round frame.
To either the upper rail and the upper frame of the sash, the slidable contact pair of upper horizontal hermetic member is provided on the other,
Either one of the lower arm of the shoji and the lower frame is provided with a pair of lower side airtight materials that can slide on the other,
A pair of door-end-side vertical airtight materials that can come into contact with the other when the shoji is closed are provided on either the vertical fence on the door-end side of the shoji and the vertical frame,
7. The airtight line is continuously formed by the upper horizontal airtight material, the lower horizontal airtight material, the door-end-side vertical airtight material, and the vertical airtight material of the summoning section. The joinery described.

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