JP7019388B2 - Composite sash structure - Google Patents

Description

The present invention relates to a composite sash structure including a resin outer frame made of resin or the like and an inner frame made of aluminum, resin or the like provided in the outer frame opening surrounded by the resin outer frame.

In recent years, energy-saving houses that minimize the energy required for heating and cooling of houses have been promoted, and the walls of houses are made of heat insulating material with high heat insulating performance, and composite sash structures are adopted for openings such as windows. There is.

As such a composite sash structure, for example, a composite type composite sash window frame in which a resin outer frame is provided on the outside of a window frame made of a metal inner frame such as an aluminum sash mounted on an opening of a window or the like is proposed. Has been done. By covering the indoor side of the metal inner frame with a resin whose thermal conductivity is extremely low compared to metal, the heat insulation of the sash window is improved, dew condensation on the indoor side is suppressed, and the metal inner frame is made. The design is improved by eliminating the visual coldness of the frame and making it one with the interior decoration. Such a composite type composite sash window frame is installed in an opening such as a window in a state where the window frame in which the indoor exposed portion of the metal inner frame is covered with the resin outer frame is completed.

Japanese Unexamined Patent Publication No. 2002-180748 Japanese Unexamined Patent Publication No. 2011-214283

However, in the composite sash structure described in Patent Documents 1 and 2 described above, the watertightness between the inner frame made of lightweight metal such as aluminum and the outer frame made of resin is not taken into consideration, so that rainwater or the like may occur. There is a problem that water may enter the indoor side through the space between the resin outer frame and the inner frame.

Recently, in order to prevent dew condensation on windows and improve the effectiveness of heating and cooling, remodeling of windows in houses has become popular, but in the case of conventional houses, remodeling windows is difficult unless the building frame is dismantled. Therefore, there is a demand for a composite sash structure that allows easy window repair and remodeling.

Therefore, the present invention has been made by paying attention to such a problem. First, it is possible to prevent rainwater or the like from infiltrating into the indoor side through between the resin outer frame and the inner frame. The second object is to provide a composite sash structure that can be easily repaired or remodeled.

In order to solve the above problems, the composite sash structure according to the present invention has a resin outer frame made of resin or the like and an inner frame made of aluminum or resin provided in the outer frame opening surrounded by the resin outer frame. The first feature is that a watertight rubber for waterproofing is provided between the resin outer frame and the inner frame.
Further, in the composite sash structure according to the present invention, the watertight rubber is provided between the resin outer frame and the inner frame on the indoor side surface of the inner frame or the outdoor side surface of the resin outer frame. The second feature is that it is present.
Further, in the composite sash structure according to the present invention, a pair of outdoor direction protrusions are provided on the outdoor side surface of the resin outer frame facing the indoor side surface of the inner frame so as to project in the outdoor direction at predetermined intervals. The third feature is that the watertight rubber is fitted into a recess formed by the pair of outdoor projecting portions, and the watertight rubber is provided between the resin outer frame and the inner frame. do.
Further, in the composite sash structure according to the present invention, the resin outer frame and the inner frame are configured to include an upper frame, a lower frame, a left vertical frame and a right vertical frame, respectively. In the lower frame, when the lower frame of the inner frame is assembled to the lower frame of the resin outer frame and the lower frame of the inner frame tries to float, it becomes a part of the lower frame of the resin outer frame. The fourth feature is that a floating prevention portion is provided to prevent the lower frame of the inner frame from floating in contact with the inner frame.
Further, in the composite sash structure according to the present invention, the resin outer frame and the inner frame are configured to include an upper frame, a lower frame, a left vertical frame and a right vertical frame, respectively. On the indoor side surface of the lower frame, when the lower frame of the inner frame is assembled to the lower frame of the resin outer frame and the lower frame of the inner frame tries to float, the upper side surface is the resin outer frame. A floating prevention portion is provided to prevent the lower frame of the inner frame from floating by contacting the lower side surface of the lower outdoor protruding portion of the pair of outdoor protruding portions in the lower frame. This is the fifth feature.
Further, in the composite sash structure according to the present invention, the upper frame, the lower frame, the left vertical frame and the right vertical frame constituting the resin outer frame use the outer frame profile having the same cross-sectional shape. The side surfaces of the outer frame profile to which the inner frame is attached face each other when the outer frame profile is installed as the upper frame, the lower frame, the left vertical frame, and the right vertical frame. It shall be configured with an inclined surface so that the distance between the upper frame and the lower frame and the distance between the left vertical frame and the right vertical frame become wider from the indoor side to the outdoor side, respectively. Is the sixth feature.

In the composite sash structure according to the present invention, since a waterproof rubber is provided between the resin outer frame and the inner frame provided inside the resin outer frame, rainwater or the like passes between the resin outer frame and the inner frame. It is possible to prevent water from entering the inside.

It is a front view which shows the appearance of the composite sash structure of the embodiment which concerns on this invention on the outdoor side. It is a simplified explanatory drawing which exaggerates the feature of the metal inner frame in the composite sash structure of the embodiment which concerns on this invention. It is a vertical direction (vertical direction) sectional view of the composite sash structure of the embodiment shown in FIG. It is a partially enlarged cross-sectional view around the upper frame (resin upper frame and metal upper frame) in the vertical direction (vertical direction) cross section of the composite sash structure of the embodiment shown in FIG. (A) and (b) are a front view of the metal upper frame constituting the metal inner frame constituting the composite sash structure of the embodiment, a partially enlarged front view of the upper right corner portion, and a sectional view taken along line AA, respectively. .. It is a partially enlarged cross-sectional view around the lower frame (resin lower frame and metal lower frame) in the vertical (vertical direction) cross section of the composite sash structure of the embodiment shown in FIG. 1. (A) and (b) are a front view of the metal lower frame constituting the metal inner frame constituting the composite sash structure of the embodiment, a partially enlarged front view of the lower right corner portion, and a sectional view taken along line BB, respectively. .. It is a cross-sectional view in the horizontal direction (horizontal direction) of the composite sash structure of the embodiment shown in FIG. It is a partially enlarged cross-sectional view around the left frame (the resin upper frame and the metal upper frame) in the horizontal (horizontal) cross section of the composite sash structure of the embodiment shown in FIG. (A), (b) Front view of the metal vertical frame on the left side when viewed from the outdoor side constituting the metal inner frame constituting the composite sash structure of the embodiment, partially enlarged front view of the upper left corner, C. -C line sectional view. It is a partially enlarged cross-sectional view around the right frame (the resin lower frame and the metal lower frame) in the horizontal (horizontal) cross section of the composite sash structure of the embodiment shown in FIG. (A), (b) Front view of the metal vertical frame on the right side when viewed from the outdoor side constituting the metal inner frame constituting the composite sash structure of the embodiment, partially enlarged front view of the upper right corner, D. -D line sectional view. (A) and (b) are cross-sectional views and perspective views of the profile of the resin outer frame constituting the composite sash structure of the embodiment, respectively. (A) to (c) are perspective views showing the profiles of three types of metal attachment materials constituting the composite sash structure of the embodiment, respectively. It is a simplified explanatory drawing which exaggerates the feature of the metal inner frame in the composite sash structure of Embodiment 2 which concerns on this invention. It is a simplified explanatory drawing which shows an example of the construction procedure of the composite sash structure of the embodiment which concerns on this invention. (A) and (b) are simplified explanatory views showing other examples of the procedure for constructing the composite sash structure of the embodiment of the present invention, respectively.

Next, an embodiment of the composite sash structure according to the present invention will be described with reference to the drawings. The embodiments described below are merely examples of the present invention, and the present invention is not limited to the embodiments described below, and can be appropriately changed within the scope of the technical idea of the present invention.

The composite sash structure 1 of the embodiment constitutes, for example, a sliding window having a height of waist in the opening 2a of the building 2, as shown in FIGS. 1 and 2, and as shown in FIGS. 1 to 9. It is a panel provided in the resin outer frame 11, the metal inner frame 12 provided in the outer frame opening surrounded by the resin outer frame 11, and the inner frame opening surrounded by the metal inner frame 12. It includes a double glazing outer sash 13 and a double glazing inner sash 14, a metal attachment material 15, and the like.

The resin outer frame 11 is an outer frame molded of synthetic resin, and as shown in the simplified explanatory diagram shown in FIG. 2, the resin upper frame 11a, the resin lower frame 11b, and the resin left vertical frame 11c , A resin-made right vertical frame 11d, and the outer frame profile 11α having a cross-sectional shape as shown in FIGS. 13 (a) and 13 (b) described later is cut to a predetermined length to form a resin upper frame 11a. (See FIGS. 3 and 4), resin lower frame 11b (see FIGS. 3 and 6), resin left vertical frame 11c (see FIGS. 8 and 9), resin right vertical frame 11d. (See FIGS. 8 and 11 etc.).

As shown in the simplified explanatory view shown in FIG. 2, the metal inner frame 12 includes a metal upper frame 12a, a metal lower frame 12b, a metal left vertical frame 12c, and a metal made of a material such as aluminum or an aluminum alloy. It is composed of a metal right vertical frame 12d, which is provided inside a resin upper frame 11a, a resin lower frame 11b, a resin left vertical frame 11c, and a resin right vertical frame 11d, respectively, which construct a resin outer frame 11. The square of the metal inner frame 12, that is, the metal top, so that the metal inner frame 12 and the resin outer frame 11 do not interfere with each other due to temperature changes, that is, a decrease in temperature in winter or cold regions. The metal inner frame 12 and the resin outer frame 11 are formed by cutting out the left and right sides of the frame 12a and the metal lower frame 12b and the upper and lower sides of the metal left vertical frame 12c and the metal right vertical frame 12d as described later. Clearances (gap) 12a8, 12b9, 12c8, 12d9 are formed between the metal and the metal.

In FIG. 2, reference numeral 3 is an anchor for fixing the resin outer frame 11 to the inside of the opening 2a of the building 2. As shown in FIG. 2, the anchor 3 is not provided at the corners of the four corners of the metal inner frame 12 and the resin outer frame 11, and is located at a predetermined length, for example, about 100 mm to 120 mm away from each corner. For example, they are provided at predetermined intervals of about 400 mm to 500 mm. In FIG. 2, two anchors 3 are provided between the resin upper frame 11a, the resin lower frame 11b, the resin left vertical frame 11c, the resin right vertical frame 11d, and the opening 2a of the building 2, respectively. However, this is because the features have been briefly explained, and in reality, three or more anchors 3 may be provided depending on the size of the opening 2a of the building 2.

The two-dot chain line in FIG. 2 is a virtual line showing an example of a state in which the resin outer frame 11 is deformed when the temperature drops in winter, cold regions, or the like. In the following description, the configuration of the double glazing outer sash 13 and the double glazing inner sash 14 will be described first, and then the resin outer frame 11, the metal inner frame 12, and the metal attachment material 15 will be described in this order. do.

<Double glazing outer sash 13 and double glazing inner sash 14>
As shown in FIGS. 3 and 8, respectively, the double glazing outer sash 13 and the double glazing inner sash 14 have upper stiles 13a, 14a, lower stiles 13b, 14b, door tip stiles 13c, 14c, and door sill stiles, respectively. 13d, 14d is provided, and two pieces of glass 13e, 13f, 14e, 14f are provided in an opening surrounded by these frames separated by spacers 13g, 14g, etc. for a predetermined period of time.

The upper stiles 13a and 14a are provided with concave steady rests and gaskets for receiving the upper ends of the glasses 13e, 13f, 14e and 14f, respectively, although further description thereof is omitted. ..

Further, the lower stiles 13b and 14b are provided with door rollers 13b1 and 14b1, respectively, and although further description is omitted in the illustration, gaskets for receiving the lower ends of the glass 13e, 13f, 14e and 14f, respectively. , Setting blocks, etc. are provided.

Similarly, the door tip frames 13c and 14c and the door end frames 13d and 14d are also provided with gaskets and setting blocks for receiving the side ends of the glass 13e, 13f, 14e and 14f, respectively.

<Resin outer frame 11>
As described above, the resin outer frame 11 is composed of a resin upper frame 11a, a resin lower frame 11b, a resin left vertical frame 11c, and a resin right vertical frame 11d, respectively. The resin outer frame profile 11α having a shape as shown in 13 (a) and 13 (b) is cut to an optimum predetermined length and appropriately connected to each other, and the inner wall of the building opening 2a is shown in FIG. 2 to FIG. 4, FIG. 6, FIG. 8, FIG. 9, FIG. 11, and the like are fixed via the anchor 3 and the like.

In the composite sash structure 1 of the embodiment, the outer frame profile 11α used for the resin upper frame 11a, the resin lower frame 11b, the resin left vertical frame 11c, and the resin right vertical frame 11 is watertight as described later. A watertight rubber 17a is provided by providing a rubber fitting recess 11α32, and the watertight rubber 17a is fitted and surrounded by a resin upper frame 11a, a resin lower frame 11b, a resin left vertical frame 11c, a resin right vertical frame 11d, and a resin outer frame 11. Waterproofing between the metal upper frame 12a, the metal lower frame 12b, the metal left vertical frame 12c, and the metal right vertical frame 12d constituting the metal inner frame 12 provided in the outer frame opening. The main feature is to prevent rainwater or the like from entering the indoor side from between the resin outer frame 11 and the metal inner frame 12.

The outer frame profile 11α is manufactured of a synthetic resin material having a lower thermal conductivity than a material such as aluminum or an aluminum alloy constituting the metal inner frame 12, and is shown in FIGS. 13 (a) and 13 (b). As described above, it has a first hollow portion 11α1, a second hollow portion 11α2, a third hollow portion 11α3, a fourth hollow portion 11α4, etc., and the third hollow portion 11α3 is a corner portion, and the L-shape is rotated by 180 degrees 180 degrees. It is configured in a degree rotation L-shape.

Here, the inner side surface 11α21 of the second hollow portion configuration of the second hollow portion 11α2 is as shown in FIGS. 13 (a) and 13 (b) in order to facilitate the insertion of the metal inner frame 12 from the outdoor side as described later. In addition, the more it approaches the indoor side, that is, the closer it is to the third hollow portion 11α3, the more it is inclined so as to be away from the outer surface 11α22 of the second hollow portion of the second hollow portion 11α2. The inner side surface 11α11 of the first hollow portion configuration of the first hollow portion 11α1 into which the metal attachment material 15 is fitted may also be configured with an inclined surface.

Further, the inner side surface 11α11 of the first hollow portion configuration of the first hollow portion 11α1 is not flush with the inner side surface 11α21 of the second hollow portion configuration constituting the second hollow portion 11α2, so that the inner side surface 11α11 is recessed from FIG. 14A. A recess 11α13 for positioning the metal attachment material 15 and the metal lower frame 12b shown in (c) is formed, and a tip protrusion 11α14 protruding from the tip of the first hollow portion 11α1 is provided.

When the metal attachment material 15 is screwed to the resin outer frame 11 on the outdoor side of the metal inner frame 12 on the outdoor side surface 11α31 of the third hollow portion 11α3 facing the indoor side surface of the metal inner frame 12. A watertight rubber fitting recess 11α32 into which a watertight rubber 17a for waterproofing between the resin outer frame 11 and the metal inner frame 12 is fitted is formed by bullet contact or close contact with the indoor side surface of the metal inner frame 12. A pair of outdoor projecting portions 11α33 and 11α34 are provided.

On the inner surface of the pair of outdoor projecting portions 11α33 and 11α34 that form the watertight rubber fitting recess 11α32, protrusions are provided so that the watertight rubber 17a fitted in the watertight rubber fitting recess 11α32 does not come off.

Further, among the pair of outdoor projecting portions 11α33 and 11α34, the outdoor projecting portion 11α33 uses the outer frame profile 11α as the resin lower frame 11b as shown in FIGS. 3 and 6 as described later. When the metal lower frame 12b is assembled to the resin lower frame 11b, the lower side surface of the outdoor direction protrusion 11α33 abuts on the upper side surface of the floating prevention portion 12b71 of the metal lower frame 12b, or the metal lower surface. When the frame 12b is assembled to the resin lower frame 11b, even if there is a slight gap and there is no contact, when the metal lower frame 12b tries to float due to negative pressure on the outdoor side, etc., it is outdoors. The lower side surface of the directional protrusion 11α33 abuts on the upper side surface of the floating prevention portion 12b71 of the metal lower frame 12b to prevent the metal lower frame 12b from floating on the indoor side.

However, in the present embodiment, when the metal lower frame 12b is assembled to the resin lower frame 11b, the lower side surface of the outdoor direction protrusion 11α33 and the upper side surface of the floating prevention portion 12b71 of the metal lower frame 12b It is desirable that there is no gap between them, but even if there is a slight gap between them when assembled and the indoor side of the metal lower frame 12b is lifted by negative pressure on the outdoor side, it is made of metal. If there is a gap between the indoor side surface on the lower frame 12b side (in the case of this embodiment, the third hanging piece 12b7 described later) and the watertight rubber 17a on the resin lower frame 11b side to ensure a state of impact or adhesion. good.

<Metal inner frame 12>
As shown in FIGS. 1 and 2, the metal inner frame 12 includes a metal upper frame 12a, a metal lower frame 12b, a metal left vertical frame 12c, and a metal upper frame 12a made of a lightweight metal material such as aluminum or an aluminum alloy. It is composed of a metal right vertical frame 12d, and as shown in FIGS. 1 to 12, respectively, a resin upper frame 11a, a resin lower frame 11b, and a resin left vertical frame 11c for constructing a resin outer frame 11. And is provided inside the resin right vertical frame 11d. The metal inner frame 12 includes a case where a synthetic resin or the like is partially used in addition to a lightweight metal material such as aluminum or an aluminum alloy.

(Metal upper frame 12a)
As shown in the cross-sectional view of FIG. 5B, the metal upper frame 12a is provided with two screw retaining recesses 12a9 and extends substantially horizontally from the outdoor side to the indoor side with the metal upper frame main body 12a1. The first hanging piece 12a2, the second hanging piece 12a3, and the third hanging piece 12a4 that hang down from the metal upper frame main body 12a1 at predetermined intervals are provided, and the tip is bent by standing up from the metal upper frame main body 12a1. A first standing piece 12a5, a second standing piece 12a6, and a third standing piece 12a7 are provided.

In the metal upper frame 12a, as shown in FIG. 4, the metal upper frame main body 12a1 is fixed to the resin upper frame 11a with a countersunk screw 16a, a U-shaped plate nut 16b, or the like. The U-shaped plate nut 16b is also used to fix the resin upper frame 11a to the anchor mounting piece 31 connected to the anchor 3 embedded in the opening 2a of the building 2 with screws 16c. Therefore, the metal upper frame main body 12a1 is provided with a screw hole through which the countersunk screw 16a passes.

Further, as shown in FIG. 3 and the like, the first hanging piece 12a2 is fitted with a steady rest recess or the like provided in the upper stile 13a of the double glazing outer sash 13, and is doubled along the first hanging piece 12a2. While the layered glass outer sash 13 is configured to run, the second hanging piece 12a3 is fitted with a steady rest recess provided in the upper stile 14a of the double glazing inner sash 14 to accommodate the second hanging piece. The double glazing shoji 14 is configured to run along 12a3.

Further, in the third hanging piece 12a4, as shown in FIG. 4 and the like, when the metal upper frame 12a is assembled to the resin upper frame 11a, the indoor side surface of the third hanging piece 12a4 constitutes the resin upper frame 11a. The tips of the outdoor direction protrusions 11α33 and 11α34 that are in contact with the watertight rubber 17a fitted in the watertight rubber fitting recess 11α32 (see FIG. 13) of the outer frame profile 11α and form the watertight rubber fitting recess 11α32. It is configured to come into contact with the resin cover 18a for the upper frame. However, even if the third hanging piece 12a4 does not abut on the tips of the outdoor direction protrusions 11α33 and 11α34 forming the watertight rubber fitting recess 11α32, sufficient rattling occurs due to the impact between the third hanging piece 12a4 and the watertight rubber 17a. If not, the third hanging piece 12a4 does not have to abut on the tips of the outdoor direction protrusions 11α33 and 11α34.

Therefore, the watertight rubber 17a can be used to waterproof the resin upper frame 11a and the metal upper frame 12a, so that rainwater or the like can flow from between the resin upper frame 11a and the metal upper frame 12a to the indoor side. It is possible to prevent flooding.

Then, as shown in FIGS. 2 and 5 (a) and 5 (b), the upper portions of the metal upper frame 12a on both sides in the longitudinal direction are notched from both ends by a predetermined length L1 and height H1, respectively. Therefore, a clearance 12a8 is provided between the metal upper frame 12a and the resin upper frame 11a, respectively. 5 (a) and 5 (b) are a front view of the metal upper frame 12a, a partially enlarged front view of the upper right corner, and a cross-sectional view taken along the line AA, respectively. Similar clearances 12a8 are provided at the corners.

Here, the length L1 of the clearance 12a8 is set to, for example, 100 mm to 120 mm so as to be the same as the distance from the corner portion of the metal inner frame 12 to the installation position of the anchor 3, and the anchor 3 is as shown in FIG. Is provided toward the longitudinal end of the metal upper frame 12a, that is, the corner of the metal inner frame 12 from the installation position of the metal upper frame 12. The height H1 of the clearance 12a8 is set to, for example, about 2 mm to 3 mm so that the resin upper frame 11a does not interfere with the metal upper frame 12a when the temperature drops in winter or cold regions. As will be described later, the clearances 12b9, 12c8, 12d9 provided on both sides in the longitudinal direction of the other metal lower frame 12b, the metal left vertical frame 12c, and the metal right vertical frame 12d constituting the metal inner frame 12 are also provided. It has the same length L1 and height H1.

Therefore, even if the temperature drops in winter or cold regions and the resin upper frame 11a contracts more than the metal upper frame 12a, the inner metal upper frame 12a and the outer resin upper frame 11a interfere with each other. It is possible to prevent the resin upper frame 11a from being deformed or the resin upper frame 11a from being cracked.

(Metal lower frame 12b)
As shown in FIG. 7B, the metal lower frame 12b is provided with two screw retaining recesses 12b10 and extends from the outdoor side to the indoor side while gradually rising in the horizontal or diagonal direction. The frame main body 12b1, the first standing piece 12b2, the second standing piece 12b3 and the third standing piece 12b4 that stand up from the metal lower frame main body 12b1 at predetermined intervals, and the metal lower frame main body 12b1 hang down at predetermined intervals, respectively. A first hanging piece 12b5 whose lower end abuts on the resin lower frame 12a, a second hanging piece 12b6, and a third hanging piece 12b7 are provided.

As shown in FIG. 3 and the like, the first standing piece 12b2 is fitted with a door roller 13b1 provided on the lower frame 13b of the double glazing outer sash 13, and the double glazing outer sash 13 runs along the first standing piece 12b2. It is configured to be able to.

The second upright piece 12b3 is configured so that the door roller 14b1 provided on the lower frame 14b of the double glazing inner sash 14 can be fitted and the double glazing inner sash 14 can run along the second upright piece 12b2.

Further, from the base on which the second standing piece 12b3 stands, a horizontal extending piece 12b31 extending in the horizontal direction toward the outside is provided, and at the tip thereof, the lower stile 13b of the double glazing outer sash 13 is provided. An airtight rubber fitting recess 12b32 into which the airtight rubber 17b to be slidably contacted is fitted is provided.

As shown in FIG. 6 and the like, the third upright piece 12b4 is configured such that its indoor side surface abuts against the resin cover 18b for the lower frame, and the lower stile of the double glazing inner sash 14 is located at the upper end thereof. An airtight rubber fitting recess 12b41 into which the airtight rubber 17b that is in sliding contact with the 14b is fitted is provided.

The first hanging piece 12b5 is a portion that hangs downward from the outdoor side tip portion of the metal lower frame main body 12b1, and the lower end portion thereof extends horizontally toward the outside and is made of resin together with the metal attachment material 15b for the lower frame. A mounting piece 12b8 fixed by a round head screw 16d, a U-shaped plate nut 16e, or the like is provided in the recess 11α13 (see FIG. 13) of the outer frame profile 11α, which is the recess of the lower frame 11b. .. Therefore, the mounting piece 12b8 is provided with a screw hole through which the round head screw 16d passes.

The third hanging piece 12b7 is a portion that hangs downward from the indoor tip of the metal lower frame main body 12b1 as shown in FIG. 7B, and the metal lower frame 12b is made of resin as shown in FIG. When assembled to the lower frame 11b, the indoor side surface of the third hanging piece 12b7 is watertight fitted into the watertight rubber fitting recess 11α32 (see FIG. 13) of the outer frame profile 11α constituting the resin lower frame 11b. It is configured to be in contact with the rubber 17a and also to be in contact with the tips of the outdoor projecting portions 11α33 and 11α34 forming the watertight rubber fitting recess 11α32 and the resin cover 18b for the lower frame. However, even if the third hanging piece 12b7 does not abut on the tips of the outdoor direction protrusions 11α33 and 11α34 forming the watertight rubber fitting recess 11α32, sufficient rattling occurs due to the impact between the third hanging piece 12b7 and the watertight rubber 17a. If not, the third hanging piece 12b7 does not have to abut on the tips of the outdoor direction protrusions 11α33 and 11α34.

Therefore, the watertight rubber 17a can also waterproof the space between the resin lower frame 11b and the metal lower frame 12b, so that rainwater or the like can flow from between the resin lower frame 11b and the metal lower frame 12b to the indoor side. It is possible to prevent flooding.

Further, when the indoor side of the metal lower frame 12b is about to rise by projecting from the indoor side surface of the third hanging piece 12b7 in the indoor direction, a pair of outer frame profiles 11α which are resin lower frames 11b. A floating prevention portion 12b71 is provided that abuts on the lower side surface of the outdoor direction protrusions 11α33 among the outdoor direction protrusions 11α33 and 11α34 to prevent the metal lower frame 12b from floating on the indoor side.

Then, as shown in FIGS. 2 and 7 (a) and 7 (b), the metal lower frame 12b is notched at both ends in the longitudinal direction by a predetermined length L1 and height H1 from both ends, respectively. As a result, a clearance 12b9 is provided between the metal lower frame 12b and the resin lower frame 11b, respectively. 7 (a) and 7 (b) are a front view of the metal lower frame 12b, a partially enlarged front view of the lower right corner, and a sectional view taken along line BB, respectively, and are a front view of the metal lower frame 12b and a lower left. Clearances 12b9 are also provided at the corners. The length L1 and the height H1 of the clearance 12b9 are, for example, about 100 mm to 120 mm and about 2 mm to 3 mm, respectively, as in the clearance 12a8.

Therefore, even if the temperature drops in winter or cold regions and the resin lower frame 11b contracts more than the metal lower frame 12b, the inner metal lower frame 12b and the outer resin lower frame 11b interfere with each other. It is possible to prevent the resin lower frame 11b from being deformed or the resin lower frame 11b from being cracked.

(Metal left vertical frame 12c)
As shown in FIGS. 2, 8 and 9, the metal left vertical frame 12c is fixed to the inside of the resin left vertical frame 11c on the left side when viewed from the outdoor side, and is fixed in FIGS. 9 and 10 (FIG. 10). As shown in b), the door stop plate portion 12c1 in which the door end stile 13d of the double glazing outer sash 13 and the door end stile 14c of the double glazing inner sash 14 abut or are close to each other, and the inside of the door stop plate portion 12c1. The first inner protruding piece 12c2, the second inner protruding piece 12c3, the third inner protruding piece 12c4, and the first outer side protruding outward from the door stop plate portion 12c1 and having the tip bent by approximately 90 degrees. It has a protruding piece 12c5, a second outer protruding piece 12c6, and a third outer protruding piece 12c7.

The first inner protruding piece 12c2 and the third inner protruding piece 12c4 have the tip of the door tip stile 14c inserted between them when the double glazing shoji 14 is closed, and the tip of the door tip stile 14c is between the tips of the door tip stile 14c. The second inner protruding piece 12c3 is configured to enter.

Further, as shown in FIGS. 9 and 10, the airtight rubber fitting recess 12c41 into which the airtight rubber 17b sliding in contact with the vertical frame 14c of the double glazing inner screw 14 is fitted into the tip of the third inner protruding piece 12c4. On the other hand, the bent tip portion of the second outer protruding piece 12c6 is provided with a screw hole for fixing the resin left vertical frame 11c with a round head screw 16f.

Further, when the metal left vertical frame 12c is assembled to the resin lower frame 11b as shown in FIG. 9 and the like, the first outer protruding piece 12c5 comes into contact with the vertical frame metal attachment material 15c, while the third one. The indoor side surface of the outer protruding piece 12c7 is in contact with the watertight rubber 17a fitted in the watertight rubber fitting recess 11α32 (see FIG. 13) of the outer frame profile 11α constituting the resin left vertical frame 11c, and the watertight rubber. It is configured to abut on the tips of the outdoor projecting portions 11α33 and 11α34 forming the fitting recess 11α32. However, even if the third outer protruding piece 12c7 does not abut on the tips of the outdoor direction protrusions 11α33 and 11α34 forming the watertight rubber fitting recess 11α32, the third outer protruding piece 12c7 and the watertight rubber 17a are sufficiently rattling. Does not occur, the third outer protrusion piece 12c7 does not have to abut on the tips of the outdoor direction protrusions 11α33 and 11α34.

Therefore, the watertight rubber 17a can also provide waterproofing between the resin left vertical frame 11c and the metal left vertical frame 12c, so that the indoor side is from between the resin left vertical frame 11c and the metal left vertical frame 12c. It is possible to prevent rainwater from infiltrating into the metal.

Then, as shown in FIGS. 2 and 10 (a) and 10 (b), the metal left vertical frame 12c is notched at both ends in the longitudinal direction by a predetermined length L1 and width W1 from both ends, respectively. As a result, a clearance 12c8 is provided between the metal left vertical frame 12c and the resin left vertical frame 11c, respectively. 10 (a) and 10 (b) are a front view of the metal left vertical frame 12c, a partially enlarged front view of the upper left corner, and a cross-sectional view taken along the line CC, respectively. A clearance 12c8 is also provided in the lower left corner portion. The length L1 and the height H1 of the clearance 12c8 are, for example, about 100 mm to 120 mm and about 2 mm to 3 mm, respectively, like the clearance 12a8 and the clearance 12b9.

Therefore, even if the temperature drops in winter or cold regions and the resin left vertical frame 11c shrinks more than the metal left vertical frame 12c, the inner metal left vertical frame 12c and the outer resin left vertical frame It is possible to prevent the resin left vertical frame 11c from interfering with the 11c, and to prevent the resin left vertical frame 11c from being deformed or the resin left vertical frame 11c from being cracked.

(Metal right vertical frame 12d)
As shown in FIGS. 2, 8, 11, 11 and the like, the metal right vertical frame 12d is fixed to the inside of the resin right vertical frame 11d on the right side when viewed from the outdoor side, and is fixed in FIGS. 11 and 12. As shown in (b), the door stop plate portion 12d1 of the double glazing outer sash 13 and the door butt stile 14d of the double glazing inner sash 14 are in contact with or close to each other, and the door stop plate portion 12d1 thereof. The first inner projecting piece 12d2, the second inner projecting piece 12d3, the third inner projecting piece 12d4, the fourth inner projecting piece 12d5, and the door stop plate portion 12d1 projecting outward from the door stop plate portion 12d1 and the tip portion. The first outer protruding piece 12d6, the second outer protruding piece 12d7, and the third outer protruding piece 12d8 are provided.

Then, as shown in FIGS. 11 and 12 (b), the airtight rubber 17b is fitted into the tip of the second inner protruding piece 12d3 so as to be slidably contacted with the vertical frame 14d of the double glazing shoji 14. While the recess 12d31 is provided, the second inner protruding piece 12d3 and the third inner protruding piece 12d4 have crescents (not shown) provided on the door tail stile 14d of the double glazing rubber sash 14. A stopper 19 is attached to prevent the metal from coming into contact with the right vertical frame 12d.

Further, when the metal right vertical frame 12 is assembled to the resin right vertical frame 11d as shown in FIG. 11 and the like, the first outer protruding piece 12d6 comes into contact with the vertical frame metal attachment material 15c, while the first outer protruding piece 12d. 2 The outer protruding piece 12d7 is fixed to the resin right vertical frame 11d with a round head screw 16f, and the indoor side surface of the third outer protruding piece 12d8 is fitted with a watertight rubber of the outer frame profile 11α constituting the resin right vertical frame 11d. It is configured to be in contact with the watertight rubber 17a fitted in the watertight recess 11α32 (see FIG. 13) and to be in contact with the tips of the outdoor direction protrusions 11α33 and 11α34 forming the watertight rubber fitting recess 11α32. However, even if the third outer protrusion piece 12d8 does not abut on the tips of the outdoor direction protrusions 11α33 and 11α34 forming the watertight rubber fitting recess 11α32, the third outer protrusion piece 12d8 and the watertight rubber 17a are sufficiently rattling. Does not occur, the third outer protrusion piece 12d8 does not have to abut on the tips of the outdoor direction protrusions 11α33 and 11α34.

Therefore, the watertight rubber 17a can also waterproof the space between the resin right vertical frame 11d and the metal right vertical frame 12d, so that the indoor side is from between the resin right vertical frame 11d and the metal right vertical frame 12d. It is possible to prevent rainwater from infiltrating into the metal.

Then, as shown in FIGS. 2 and 12 (a) and 12 (b), the metal right vertical frame 12d is notched at both ends in the longitudinal direction by a predetermined length L1 and width W1 from both ends, respectively. As a result, a clearance of 12d9 is provided between the metal right vertical frame 12d and the resin right vertical frame 11d, respectively. 12 (a) and 12 (b) are a front view of the metal right vertical frame 12d, a partially enlarged front view of the upper right corner, and a cross-sectional view taken along the line DD, respectively. A clearance of 12d9 is also provided in the lower right corner. The length L1 and the height H1 of the clearance 12b9 are, for example, about 100 mm to 120 mm and about 2 mm to 3 mm, respectively.

Therefore, even if the temperature drops in winter or cold regions and the resin right vertical frame 11d shrinks more than the metal right vertical frame 12d, the inner metal right vertical frame 12d and the outer resin right vertical frame 12d. It is possible to prevent the resin right vertical frame 11d from interfering with the 11d, and to prevent the resin right vertical frame 11d from being cracked or cracked.

(Metal attachment material 15)
Like the metal inner frame 12, the metal attachment material 15 is manufactured of a lightweight metal material such as aluminum or an aluminum alloy, and the metal attachment material 15a for the upper frame shown in FIGS. 14A to 14C, respectively. It is composed of a metal attachment material 15b for a lower frame and a metal attachment material 15c for a vertical frame, and sandwiches the metal inner frame 12 with a resin outer frame 11 or the like in a negative pressure direction (expected direction). ..

The metal attachment material 15a for the upper frame shown in FIG. 14A has the metal upper frame 12a as shown in FIGS. 3 and 4, and the outdoor of the outer frame profile 11α constituting the resin upper frame 11a. A member sandwiched in the negative pressure direction (probable direction) between the tips of the directional protrusions 11α33 and 11α34, the watertight rubber 17a fitted in the watertight rubber fitting recess 11α32, and the resin cover 18a for the upper frame, and the hollow portion 15a1. And the outdoor exposed plate portion 15a2 and the like, and the upper side surface 15a11 constituting the hollow portion 15a1 is fixed to the inner side surface 11α11 of the first hollow portion configuration of the first hollow portion 11α1 which is the resin upper frame 11a by a screw. On the other hand, the indoor side surface 15a12 constituting the hollow portion 15a1 is configured to abut on the first standing piece 12a5 of the metal upper frame 12a.

The metal attachment material 15b for the lower frame shown in FIG. 14B is such that the metal lower frame 12b is used as shown in FIGS. 3 and 6, and the outer frame shape material 11α constituting the resin lower frame 11b is outdoors. A member that is sandwiched in the negative pressure direction (probable direction) between the tips of the directional protrusions 11α33 and 11α34, the watertight rubber 17a fitted in the watertight rubber fitting recess 11α32, and the resin cover 18b for the lower frame. It has 15b1 and an outdoor exposed plate portion 15b2 and the like.

Then, as shown in FIG. 6 and the like, the mounting plate portion 15b1 is a resin lower frame 11b via a metal lower frame 12b mounting piece 12b8 by means of a round head screw 16d and a U-shaped plate nut 16e. While the material 11α is fixed to the inner side surface 11α11 (see FIG. 13) of the first hollow portion configuration, the indoor side end surface of the mounting plate portion 15b1 is the first hanging piece 12b5 of the metal lower frame 12b (see FIG. 7B). The protrusions 15b11 that are in contact with the mounting plate portion 15b1 and project from the lower surface side of the mounting plate portion 15b1 are the outdoor side end surface (see FIG. 7B) of the mounting piece 12b8 of the metal lower frame 12b and the shape material for the outer frame. It is attached so as to be sandwiched between the tip protruding portion 11α14 of 11α.

The metal attachment material 15c for the vertical frame shown in FIG. 14C is a resin left vertical frame 12c and a metal right vertical frame 12d, respectively, as shown in FIGS. 8, 9, 11 and the like. The tips of the outdoor projecting portions 11α33 and 11α34 of the outer frame profile 11α constituting the vertical frame 11c and the resin right vertical frame 11d, the watertight rubber 17a fitted in the watertight rubber fitting recess 11α32, and the resin for the vertical frame. It is a member sandwiched between the cover 18c and the negative pressure direction (expected direction), and has a hollow portion 15c1 and an outdoor exposed plate portion 15c2 and the like.

The outer surface 15c11 of the hollow portion 15c1 is a round head screw 16d, a U-shaped plate nut 16e, or the like, and the inner surface of the first hollow portion configuration of the first hollow portion 11α1 of the resin left vertical frame 11c or the resin right vertical frame 11d. For an outer frame that constitutes a resin left vertical frame 11c or a resin right vertical frame 11c between a pair of fitting protrusions 15c12, 15c1 2 that are fixed to 11α11 (see FIG. 13) and protrude from the outer surface 15c11. The tip protruding portion 11α14 (see FIG. 13) of the profile 11α is fitted to position the metal left vertical frame 12c, the metal right vertical frame 12d, and the vertical frame metal attachment material 15c, and the hollow portion 15a1. The indoor side surface 15c13 is the first outer protruding piece 12c5 of the left vertical frame 12c made of metal (see FIGS. 9 and 10 (b)) or the first outer protruding piece 12d6 of the right vertical frame 12d made of metal (FIGS. 11 and 12 (FIG. 11 and 12). b) It is configured to abut on) and restrict the out-of-plane movement of the metal left vertical frame 12c and the metal right vertical frame 12d.

<Effect of composite sash structure 1 of the embodiment>
Therefore, according to the composite sash structure 1 of the embodiment according to the present invention, the resin upper frame 11a, the resin lower frame 11b, the resin left vertical frame 11c, and the resin made of resin constituting the resin outer frame 11 made of resin or the like. The metal upper frame 12a, the metal lower frame 12b, the metal left vertical frame 12c, and the metal inner frame 12 constituting the right vertical frame 11d and the metal inner frame 12 provided in the outer frame opening surrounded by the resin outer frame 11 Since watertight rubber 17a for waterproofing is provided between the right vertical frame 12d made of metal, rainwater or the like can enter the indoor side through between the outer frame 11 made of resin and the inner frame 12 made of metal. Can be prevented.

In particular, in the composite sash structure 1 of the embodiment, the watertight rubber 17a is between the resin outer frame 11 and the metal inner frame 12, and constitutes the resin outer frame 11 which is the finding surface of the resin outer frame 11. Since it is provided on the outdoor side surface 11α31 (see FIG. 13A) of the outer frame profile 11α, it is watertight when the metal inner frame 12 is inserted into the resin outer frame 11 as shown in FIG. 15 described later. The rubber 17a does not interfere with the metal inner frame 12, it becomes easier to insert the metal inner frame 12 into the resin outer frame 11, work efficiency is improved, and the metal inner frame 1 hits the watertight rubber 17a. Since the watertight rubber 17a does not shift and the indoor side surface, which is the finding surface of the metal inner frame 12, can be reliably contacted or elastically contacted with the watertight rubber 17a, waterproofness can also be improved. ..

Further, in the composite sash structure 1 of the embodiment, the resin upper frame 11a, the resin lower frame 11b, the resin left vertical frame 11c, and the resin right vertical frame 11d constituting the resin outer frame 11 have the same cross-sectional shape. The watertight rubber 17a protrudes in the outdoor direction as shown in FIG. 13 not on the metal inner frame 12 side but on the resin outer frame profile 11α side. The portions 11α33 and 11α34 are provided and fitted into the watertight rubber fitting recesses 11α32 formed by the pair of outdoor projecting portions 11α33 and 11α34 so as to be provided between the resin outer frame 11 and the metal inner frame 12. Therefore, waterproofing between the resin outer frame 11 and the metal inner frame 12 can be easily and surely achieved.

Further, the pair of outdoor direction protrusions 11α33 and 11α34 into which the watertight rubber 17a is fitted are provided on the outdoor side surface 11α31 of the outer frame profile 11α constituting the resin outer frame 11, and the metal inner frame 12 is made of metal. Since it is configured to be sandwiched between the attachment material 15 and the resin outer frame 11 in the negative pressure direction (expected direction), the force of sandwiching the metal inner frame 12 between the metal attachment material 15 and the resin outer frame 11 As a result, an external force always acts on the watertight rubber 17a, and the watertightness between the resin outer frame 11 and the metal inner frame 12 can be improved.

Further, the metal upper frame 12a, the metal left vertical frame 12c, and the metal right vertical frame 12d other than the metal lower frame 12b are shown in FIGS. 3, 4, 8, 9, 11 and the like. The metal lower frame 12b is fixed to the resin outer frame 11 by a countersunk screw 16a and a round head screw 16f in the middle of each finding direction, while the metal lower frame 12b is made of metal as shown in FIG. 6 in consideration of waterproofness. Since the frame 12b is fixed to the resin outer frame 11 by the mounting piece 12b8 at the tip on the outdoor side, the indoor side of the metal lower frame 12b tends to rise when the outdoor side becomes negative pressure during strong wind.

However, in the composite sash structure 1 of the embodiment, the third hanging piece 12b7 of the metal lower frame 12b is provided with a floating prevention portion 12b71 protruding from the indoor side surface in the indoor direction, and the metal lower frame 12b is provided. When assembled to the resin lower frame 11b, the upper side surface of the floating prevention portion 12b71 of the metal lower frame 12b is the lower outdoor direction of the pair of outdoor direction protrusions 11α33, 11α34 of the resin lower frame 11b. When it comes into contact with the lower side surface of the projecting portion 11α33, or when the metal lower frame 12b is assembled to the resin lower frame 11b, even if there is a slight gap and there is no contact, the outdoor side becomes negative pressure, etc. When the metal lower frame 12b is about to rise, the upper side surface of the floating prevention portion 12b71 of the metal lower frame 12b is the lower outdoor side of the pair of outdoor direction protrusions 11α33 and 11α34 of the resin lower frame 11b. It is configured to abut on the lower side surface of the directional protrusion 11α33. Therefore, even when the indoor side of the metal lower frame 12b tries to rise due to a negative pressure on the outdoor side in a strong wind, it is possible to reliably and easily prevent the indoor side of the metal lower frame 12b from floating.

Further, in this embodiment, when the metal lower frame 12b tries to float due to a negative pressure on the outdoor side, as shown in FIG. 6 and the like, the metal lower frame 12b fixed by the round head screw 16d With the mounting piece 12b8 as the axis of rotation, the metal bottom that floats greatly toward the third standing piece 12b4 and the third hanging piece 12b7 on the indoor side far from the mounting piece 12b8 and is in contact with the watertight rubber 17a on the resin lower frame 11b side. The third hanging piece 12b7 on the frame 12b side tends to separate from the watertight rubber 17a.

However, in the composite sash structure 1 of the embodiment, when the metal lower frame 12b is assembled to the resin lower frame 11b as described above, the upper side surface of the floating prevention portion 12b71 of the metal lower frame 12b is made of resin. When the lower side surface of the pair of outdoor projecting portions 11α33, 11α34 of the lower frame 11b is in contact with the lower side surface of the outdoor projecting portion 11α33, or when the metal lower frame 12b is assembled to the resin lower frame 11b. Even if there is a slight gap and the indoor side of the metal lower frame 12b is lifted due to negative pressure on the outdoor side, the third hanging piece 12b7 on the metal lower frame 12b side and the watertight rubber 17a on the resin lower frame 11b side. The third hanging piece 12b7 on the metal lower frame 12b side is from the watertight rubber 17a on the resin lower frame 11b side even in the event of a storm, etc. Separation can be reliably prevented, and waterproofness between the resin lower frame 11b and the metal lower frame 12b in the event of a storm or the like can be reliably ensured.

Further, since the metal inner frame 12 is configured to be sandwiched in the negative pressure direction (expected direction) by the metal attachment material 15 and the resin outer frame 11, the fit of the metal inner frame 12 with respect to the resin outer frame 11 is adjusted. After that, the out-of-plane position of the metal inner frame 12 is fixed by fixing (temporarily fixing) the metal attachment material 15, and then the metal inner frame 12 is screwed (finally tightened) for mounting. The accuracy is improved, the mounting is easy, and the metal attachment material 15 is screw-fixed to the outdoor side of the metal inner frame 12, so that the wind resistance in the negative pressure direction (expected direction) can be surely improved. can.

Further, in the composite sash structure 1 of the embodiment, since the metal inner frame 12 is provided inside the resin outer frame 11, the sash structure of the conventional metal frame is different from the conventional metal frame sash structure in terms of strength, large opening, and variation. In addition to being able to make the same, it is possible to use the aluminum sash of the conventional structure as the double glazing outer sash 13 and the double glazing inner sash 14 which have the same structure as before inside the metal inner frame 12, which makes a small investment. It is possible to provide a product having a composite sash structure 1.

Further, in the composite sash structure 1 of the embodiment, the resin upper frame 11a, the resin lower frame 11b, the resin left vertical frame 11c, and the resin right vertical frame 11d constituting the resin outer frame 11 are one outer frame. The shape material 11α is cut to a predetermined length and used, and the shape material 11α for the outer frame is in the first hollow portion configuration of the first hollow portion 11α1 as shown in FIGS. 13 (a) and 13 (b). Since the side surface 11α11 is provided with a recessed portion 11α13, the recess 11α13 can be used for positioning the metal inner frame 12 and the metal attachment material 15.

For example, in the case of the resin upper frame 11a, as shown in FIG. 4 and the like, the upper side surface 15a11 of the hollow portion 15a1 of the metal attachment material 15a for the upper frame (see FIG. 14A) is fitted into the recess 11α13 and is made of metal. The upper frame 12a and the metal attachment material 15a for the upper frame can be positioned, and their movement in the out-of-plane direction can be restricted. Further, in the case of the resin upper frame 11a, as shown in FIG. (See FIG. 7B) can be fitted together to enable positioning of the metal lower frame 12b and the metal attachment material 15b for the lower frame, and can also regulate their out-of-plane movement.

Further, in the case of the resin left vertical frame 11c and the resin right vertical frame 11d, as shown in FIGS. 9 and 11, a pair of metal attachment materials 15c for the vertical frame (see FIG. 14 (c)) are fitted. The tip protruding portion 11α14 of the outer frame profile 11α fits between the joint protrusions 15c12 and 15c12 to position the metal left vertical frame 12c and the metal right vertical frame 12d, and the metal attachment material 15c for the vertical frame. At the same time, their out-of-plane movement can be regulated. Therefore, the mounting accuracy of the metal inner frame 12 and the metal attachment material 15 can be improved, and the wind resistance of the metal inner frame 12 and the metal attachment material 15 in the negative pressure direction (expected direction) can be surely improved. can.

Further, in the composite sash structure 1 of the embodiment, the outer frame profile 11α constituting the resin outer frame 11 has a second hollow portion configuration inner side surface 11α21 constituting the second hollow portion 11α2, FIG. 13A. As shown in (b), the inclined surface is inclined so as to move toward the indoor side, that is, closer to the third hollow portion 11α3, so as to be separated from the outer surface 11α22 of the second hollow portion of the second hollow portion 11α2. Therefore, it is possible to easily insert the metal inner frame 12 from the outdoor side.

Therefore, in the composite sash structure 1 of the embodiment, for example, as shown in FIG. 15, the resin upper frame 11a, the resin lower frame 11b, and the resin vertical frames 11c and 11d on both the left and right sides are assembled in advance to form the resin outer frame 11. Even after constructing, the metal inner frame 12 in which the double glazing outer sash 13 and the double glazing inner sash 14 are fitted in the inner frame opening is placed in the outer frame opening from the outdoor side in the direction of the arrow. It can be easily fitted to the indoor side.

As a result, the resin outer frame 11 is fitted in the opening 2a of the building 2 in advance, and then the double glazing outer glazing 13 and the double glazing inner glazing 14 are inside the outer frame opening of the resin outer frame 11. Since the metal inner frame 12 fitted in the frame opening can be easily fitted from the outdoor side, the double glazing outer glazing 13 and the double glazing inner glazing 14 are repaired not only in the case of new construction but also in the existing building 2. The entire metal inner frame 12 including the double glazing outer glazing 13 and the double glazing inner glazing 14 can be easily removed and replaced, and window repair and remodeling work can be facilitated.

Further, in the composite sash structure 1 of the embodiment, the material of the resin upper frame 11a, the resin lower frame 11b, the resin left vertical frame 11c, and the resin right vertical frame 11d, which are the resin outer frames 11, is shown in FIG. Since the common outer frame profile 11α, which is the profile shown in a) and (b), is used, the resin upper frame 11a, the resin lower frame 11b, the resin left vertical frame 11c, and the resin right vertical frame are used. It is not necessary to prepare shaped materials having different shapes as the material of the frame 11d, and the manufacturing cost of the resin outer frame 11 can be reduced.

Further, in the composite sash structure 1 of the embodiment, the outer frame profile 11α is used according to the design and size of the metal inner frame 12 mounted inside the resin outer frame 11 according to the design of the window of the house. It is possible to attach and detach the outer frame profile 11α from the above, and it is possible to improve the degree of freedom in design.

In the composite sash structure 1 of the embodiment, as shown in FIG. 15, a resin outer frame 11 is constructed in advance, and a double glazing outer sash 13 and a double glazing inner sash 14 are fitted in the outer frame opening. Although the metal inner frame 12 can be fitted from the outdoor side, FIG. 16A. As shown in (b), the resin upper frame 11a constituting the resin outer frame 11 from the outside of the metal inner frame 12 in which the double glazing outer sash 13 and the double glazing inner sash 14 are fitted, and the resin. Of course, the lower frame 11b, the resin left vertical frame 11c, and the resin right vertical frame 11d may be fitted and assembled.

Further, in the description of the above embodiment, as shown in FIG. 2, the clearances 12a8, 12b9, 12c8, 12d9 provided at the four corners of the resin outer frame 11 are the metal upper frame 12a, which is the metal inner frame 12, and the metal. Although it has been described that both ends of the lower frame 12b, the metal left vertical frame 12c, and the metal right vertical frame 12d are cut out, the present invention is not limited to this, and the metal inner frame is as shown in FIG. By providing a spacer 4 or the like between the frame 12 and the resin outer frame 11, clearances 12a8, 12b9, 12c8, 12d9 may be provided at the four corners of the metal inner frame 12 and the resin outer frame 11. A clearance may be provided only in the corner where the resin outer frame 11 and the metal inner frame 12 easily interfere with each other, or the clearances 12a8, 12b9, 12c8, 12d9 may be omitted.

Further, in the description of the above embodiment, the resin upper frame 11a, the resin lower frame 11b, the resin left vertical frame 11c, the resin right vertical frame 11d, and the resin outer frame 11 constituting the resin outer frame 11 are described. All four sides between the metal upper frame 12a, the metal lower frame 12b, the metal left vertical frame 12c, and the metal right vertical frame 12d constituting the metal inner frame 12 provided in the outer frame opening surrounded by. Although the watertight rubber 17a for waterproofing is provided in the above description, the present invention is not limited to this, and for example, the resin lower frame 11b and the resin left vertical except between the resin upper frame 11a and the metal upper frame 12a. Resin outer frame 11 and metal that are prone to water leakage, such as between the frame 11c and the resin right vertical frame 11d, the metal lower frame 12b, the metal left vertical frame 12c, and the metal right vertical frame 12d. Of course, the watertight rubber 17a may be provided only between the inner frame 12 and the inner frame 12.

Further, in the description of the above embodiment, the recesses for fitting the watertight rubber on each of the resin upper frame 11a, the resin lower frame 11b, the resin left vertical frame 11c, and the resin right vertical frame 11 side constituting the resin outer frame 11. The watertight rubber 17a is fitted in the watertight rubber 17a to provide waterproofing between the resin outer frame 11 and the metal inner frame 12, but the present invention is not limited to this and is made of metal. A watertight rubber fitting recess is provided on the metal upper frame 12a, the metal lower frame 12b, the metal left vertical frame 12c, and the metal right vertical frame 12d side constituting the inner frame 12, and the watertight rubber 17a is fitted therein. Of course, the rubber 17a may be configured to provide waterproofing between the resin outer frame 11 and the metal inner frame 12.

Further, in the description of the above embodiment, the floating prevention portion 12b71 projecting in the indoor direction is provided on the indoor side surface of the third hanging piece 12b7 of the metal lower frame 12b, and the metal lower frame 12b is assembled to the resin lower frame 11b. When the indoor side of the metal lower frame 12b tries to rise from the resin lower frame 11b due to negative pressure on the outdoor side during strong winds, the upper side surface of the metal lower frame 12b's floating prevention portion 12b71 is made of resin. Although it has been described that the metal lower frame 12b is prevented from floating by contacting the lower side surface of the lower outdoor projecting portion 11α33 of the pair of outdoor projecting portions 11α33 and 11α34 of the lower frame 11b. In the present invention, the present invention is not limited to this, and for example, another protrusion is provided below the pair of outdoor direction protrusions 11α33 and 11α34 of the resin lower frame 11b, and the metal lower frame 12b tries to rise from the resin lower frame 11b. At that time, the upper side surface of the floating prevention portion 12b71 of the metal lower frame 12b abuts on the lower side surface of the pair of outdoor direction protrusions 11α33, 11α34 of the resin lower frame 11b, and the metal lower frame 12b rises. The outer frame profile 11α constituting the resin lower frame 11b is provided with a recess as a floating prevention portion on the indoor side surface of the third hanging piece 12b7 of the metal lower frame 12b. The outdoor side surface 11α31 (see FIG. 13A) is provided with a convex portion that fits into the concave portion on the metal lower frame 12b side, and the fitting of the concave portion and the convex portion prevents the metal lower frame 12b from floating. However, the point is that after assembling the metal lower frame 12b to the resin lower frame 11b, when the metal lower frame 12b tries to rise from the resin lower frame 11b, the resin lower frame 11b and the metal Any configuration may be used as long as a floating prevention means for preventing floating is provided between the lower frames 12b.

Further, in the description of the above embodiment, the double glazing outer sash 13 and the double glazing inner sash 14 have been described as an example of the panel of the composite sash structure 1, but the present invention is not limited to this, and the panel is made of single glazing. It may be a shoji screen, or it may be glass with three or more layers. Further, the types of windows have been described by the height of the waist and the sliding window for sweeping out, but the present invention is not limited to this, and can be applied to hinged windows, rotating windows, sash windows, sliding windows, and even sash windows. In short, it is surrounded by a resin outer frame 11 made of resin or the like, an inner frame 12 made of aluminum or resin provided in the outer frame opening surrounded by the resin outer frame 11, and the inner frame 12. It is applicable as long as it is a composite sash structure provided with a panel provided in the inner frame opening.

Further, in the description of the above embodiment, the metal inner frame 12 made of aluminum or the like and the metal attachment material 15 are provided in the opening of the resin outer frame 11, but the present invention is not limited to this. Of course, the inner frame 12 and the metal attachment material 15 may be integrally molded and provided at the opening of the resin outer frame 11.

1 Composite sash structure 11 Resin outer frame 11a Resin upper frame 11b Resin lower frame 11c Resin left vertical frame 11d Resin right vertical frame 11α Outer frame profile 11α1 Hollow part 11α2 Long side surface 11α21 Mounting piece 11α22 Outer side surface 11α 2nd outer frame profile 11α1 1st hollow part 11α11 1st hollow part configuration inner surface 11α12 1st hollow part configuration outer surface 11α13 recess 11α14 tip protruding part 11α2 2nd hollow part 11α21 2nd hollow part configuration inner side surface 11α22 2nd Hollow part outer surface 11α3 3rd hollow part 11α31 Outdoor side surface 11α32 Watertight rubber fitting recess 11α33, 11α34 Outdoor direction protrusion 11α4 4th hollow part 12 Metal inner frame 12a Metal upper frame 12a1 Metal upper frame body 12a2 1st Hanging piece 12a3 2nd hanging piece 12a4 3rd hanging piece 12a5 1st standing piece 12a6 2nd standing piece 12a7 3rd standing piece 12a8 Clearance 12a9 Screw retaining recess 12b Metal lower frame 12b1 Metal lower frame body 12b2 1st standing piece 12b3 2nd standing piece 12b31 Horizontal extension piece 12b32 Airtight rubber fitting recess 12b4 3rd standing piece 12b41 Airtight rubber fitting recess 12b5 1st hanging piece 12b6 2nd hanging piece 12b7 3rd hanging piece 12b71 Lifting prevention part 12b8 12b9 Clearance 12b10 Screw retaining recess 12c Metal left vertical frame 12c1 Door stop plate 12c2 1st inner protruding piece 12c3 2nd inner protruding piece 12c4 3rd inner protruding piece 12c5 1st outer protruding piece 12c6 2nd outer protruding piece 12c7 3rd Outer protruding piece 12c41 Airtight rubber fitting recess 12d Metal right vertical frame 12d1 Door stop plate 12d2 1st inner protruding piece 12d3 2nd inner protruding piece 12d31 Airtight rubber fitting recess 12d4 3rd inner protruding piece 12d5 4th inner protruding piece 12d6 1st outer protrusion 12d7 2nd outer protrusion 12d8 3rd outer protrusion 13 Double glazing outer glazing 14 Double glazing inner glazing 15 Metal attachment 15a Metal attachment for upper frame 15b Metal attachment for lower frame Material 15c Metal attachment material for vertical frame 16a Countersunk screw 16b Plate nut 17a Watertight rubber 17b Airtight rubber 18 Resin cover 18a Resin cover for upper frame -18b Resin cover for lower frame 18c Resin cover for vertical frame 19 Stopper 2 Building 2a Opening 3 Anchor 31 Anchor mounting piece 4 Spacer

Claims (2)

It is provided with a resin outer frame and an inner frame provided in the outer frame opening surrounded by the resin outer frame.
A pair of outdoor-direction protrusions that project in the outdoor direction at predetermined intervals are provided on the outdoor side surface of the resin outer frame that faces the indoor side surface of the inner frame, and the pair of outdoor-direction protrusions are provided. A waterproof rubber is fitted into the formed recess, and the watertight rubber is provided between the resin outer frame and the inner frame.
The resin outer frame and the inner frame are configured to include an upper frame, a lower frame, a left vertical frame, and a right vertical frame, respectively.
On the indoor side surface of the lower frame of the inner frame, when the lower frame of the inner frame is assembled to the lower frame of the resin outer frame and the lower frame of the inner frame tries to float, the upper side surface is the resin. A floating prevention portion is provided to prevent the lower frame of the inner frame from floating by contacting the lower side surface of the lower outdoor protruding portion in the pair of outdoor protruding portions in the lower frame of the outer frame. A composite sash structure characterized by being In the composite sash structure according to claim 1,
The upper frame, lower frame, left vertical frame, and right vertical frame constituting the resin outer frame are made of outer frame profiles having the same cross-sectional shape.
The side surfaces of the outer frame profile to which the inner frame is attached face to each other when the outer frame profile is installed as the upper frame, the lower frame, the left vertical frame, and the right vertical frame. It is configured with an inclined surface so that the distance between the upper frame and the lower frame and the distance between the left vertical frame and the right vertical frame become wider from the indoor side to the outdoor side, respectively . Characterized composite sash structure.

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