TW201942461A - Door/window assembly - Google Patents

Abstract

A door/window assembly includes an outer frame, a movable door/window, a fixed door/window and an air permeable door/window. The outer frame includes a rail structure and a stand pillar, and the stand pillar is disposed on the rail structure and has an indented portion. The movable door/window is movably coupled to the rail structure, and is configured to move along the rail structure to be opened or closed. The fixed door/window includes a first inner frame and a first light penetrating panel, the first inner frame is fixed at the outer frame, the first light penetrating panel is disposed on the first inner frame, a bottom frame portion of the first inner frame is covered by the rail structure, an bottom end of the first light penetrating panel is located in the bottom frame portion of the first inner frame. The air permeable door/window is disposed on the outer frame and partially concealed by the indented portion.

Description

Door and window components

The present invention relates to a door and window assembly, and in particular to a door and window assembly having a track structure.

For the purpose of ventilation and daylighting of the building, an opening is reserved at an appropriate position on the wall during the construction, and doors and windows that can be opened or closed are installed at the opening. In the case of sliding doors, it is an outer frame in which fixed glass doors and windows and movable glass doors and windows are arranged at the opening, and the movable glass doors and windows can be opened or closed along the track relative to the fixed glass doors and windows.

Generally, fixed glass doors and windows and movable glass doors and windows are composed of a frame and a glass plate arranged on the frame, and a user can see the environment outside the door and window through the glass plate. However, the frame has a certain width, which limits the viewing area. On the other hand, screens are usually arranged on the outside of movable glass doors and windows, but the frame of the screens also limits the viewing area.

In order to avoid the limitation of the viewing area caused by the frame of the fixed glass door and window and the frame of the screen window, the present invention provides a door and window assembly, which can increase the area ratio occupied by the glass plate.

The door and window assembly of the present invention includes an outer frame, a movable door and window (for example, a movable glass door and window), a fixed door and window (for example, a fixed glass door and window), and a breathable door and window (for example, a screen door and window). The outer frame includes a track structure and a column, and the column is arranged on the track structure and has an inner constriction. The movable doors and windows are movably coupled to the track structure, and are used to open or close by moving along the track structure. The fixed doors and windows include a first inner frame and a first light transmitting plate (for example, a glass plate). The first inner frame is fixed to the outer frame. The first light transmitting plate is disposed on the first inner frame. The lower frame portion of the first inner frame is The track structure is shielded, and the bottom end of the first transparent plate is located in the lower frame portion of the first inner frame. Ventilation doors and windows are arranged in the outer frame and partially hidden in the retracted portion.

The door and window assembly of the present invention includes an outer frame, a fixed door and window, a movable door and window, and a breathable door and window. The outer frame includes a track structure and a post, wherein the post is arranged on the track structure and has a constricted portion. The fixed doors and windows are fixed to the outer frame. The movable doors and windows are movably coupled to the track structure, and are opened or closed by moving along the track structure. Ventilation doors and windows are arranged in the outer frame and partially hidden in the retracted portion.

As described above, the lower frame portion of the first inner frame of the fixed door and window is set to be shielded by the track structure, so that the lower frame portion of the first inner frame does not occupy the viewing area above the rail structure, thereby increasing the The proportion of area occupied by the light transmitting plate. In addition, as described above, the breathable doors and windows are partially hidden in the retracted portion of the pillar, so that the breathable doors and windows do not excessively occupy the viewing area inside the pillar. As a result, the viewing area of the door and window assembly is less restricted.

In an embodiment of the present invention, the above-mentioned track structure includes a track portion and a recessed portion, movable doors and windows are movably coupled to the track portion, the recessed portion is adjacent to the track portion, and a lower frame portion of the first inner frame is disposed in the recessed portion. By designing the recessed portion, the lower frame portion of the first inner frame can be positioned lower than the rail portion, and the lower frame portion of the first inner frame can be shielded by the rail portion. Further, the recessed portion has opposite upper and lower ends, the upper end of the recessed portion is flush with the top end of the track structure, and the depth from the upper end to the lower end of the recessed portion is greater than or equal to the height of the lower frame portion of the first inner frame. This can ensure that the lower frame portion of the first inner frame does not protrude from the recessed portion.

In an embodiment of the present invention, the above-mentioned ventilating doors and windows include a third inner frame and a ventilating net. The ventilating net is disposed on the third inner frame, and the third inner frame is disposed on the outer frame and partially hidden in the retracted portion. Thereby, the third inner frame can be partially shielded by the pillar without excessively occupying a viewing area inside the pillar.

In an embodiment of the present invention, the lower frame portion of the third inner frame is fixed to the track structure, and the side frame portion of the third inner frame is movably coupled to the lower frame portion of the third inner frame, and is used to The lower frame portion of the three inner frames moves away from the post and closes the breathable doors and windows, or moves along the lower frame portion of the third inner frame to be at least partially hidden in the retracted portion and opens the breathable doors and windows. Therefore, when the breathable doors and windows are opened, the side frame portion of the third inner frame is at least partially shielded by the pillars without excessively occupying the viewing area inside the pillars.

In an embodiment of the present invention, the side frame portion of the third inner frame has a breathable door and window operation portion, and the side frame portion of the second inner frame has a movable door and window operation portion. When the breathable door and window is opened, the breathable door and window operation portion is Exposed outside the inner constriction, when the movable doors and windows are closed and the breathable doors and windows are opened, the side frame portion of the second inner frame abuts the upright post, and at least part of the movable door and window operation portion is exposed by the side frame portion of the third inner frame. Thereby, when the ventilated doors and windows are opened, the user is convenient to apply force to the ventilated doors and windows to close the ventilated doors and windows, and when the ventilated doors and windows are opened and the movable doors and windows are closed, the user is convenient to apply forces to the movable doors and windows to open the movable windows.

In an embodiment of the present invention, the above-mentioned ventilation net is a foldable structure. When the ventilation doors and windows are opened, at least part of the ventilation net is folded and stored in the side frame portion of the third inner frame and is located in the retracted portion. That is, the retracted portion of the pillar has a function of accommodating the breathable net and the side frame portion of the third inner frame.

In an embodiment of the present invention, the above-mentioned third inner frame includes a fixing portion, the fixing portion is fixed to the column and is hidden in the retracted portion, and opposite ends of the ventilation net are respectively coupled to the fixed portion and the side frame of the third inner frame. unit. That is, the fixed portion of the third inner frame is shielded by the retracted portion of the pillar without occupying the viewing area inside the pillar excessively.

In an embodiment of the present invention, the above-mentioned breathable doors and windows include a third inner frame and a breathable mesh, the breathable mesh is disposed on the third inner frame, the third inner frame is disposed on the outer frame, and the lower frame portion of the third inner frame is at least partly The ground is covered by the track structure. Thereby, the lower frame portion of the third inner frame does not occupy the viewing area above the track structure.

In an embodiment of the present invention, the above-mentioned post includes a main pillar and a structure-reinforced pillar, and the structure-reinforced pillar is disposed in the main pillar. Thereby, it is possible to avoid reducing the structural strength of the column due to the internal shrinkage portion. Further, the constricted portion is formed on a structurally reinforced pillar, and the main pillar has an open end and the constricted portion is exposed through the open end. Thereby, the breathable doors and windows can be partially moved into the constricted portion through the open end of the main pillar.

In order to make the above features and advantages of the present invention more comprehensible, embodiments are hereinafter described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a door and window assembly according to an embodiment of the present invention. Referring to FIG. 1, the door and window assembly 100 of this embodiment includes an outer frame 110, a movable door and window 120, and a fixed door and window 130. The outer frame 110 is, for example, an aluminum frame. The fixed doors and windows 130 are, for example, fixed glass doors and windows and are fixed to the outer frame 110, and the movable doors and windows 120 are, for example, movable glass doors and windows and are movably disposed on the outer frame 110, and can be moved relative to the outer frame 110 and the fixed doors and windows 130 in the direction D1 or D2. , So that the door and window assembly 100 is opened or closed (FIG. 1 is shown in a closed state). In this embodiment, the door and window assembly 100 is installed between the indoor environment I and the outdoor environment O, for example.

In this embodiment, the fixed door and window 130 of the door and window assembly 100 may be combined with another fixed door and window 130 ', and the door and window assembly 100 and the other door and window assembly 100' may jointly form a corner door and window structure, which is not limited in the present invention. In addition, in this embodiment, the door and window assembly 100 may further include a breathable door and window, which are, for example, screen doors and windows and are movably disposed on the outer frame 110 and are overlapped with the movable doors and windows 120 in the state shown in FIG. 1. In order to make the drawings clearer, FIG. 1 shows ventilated doors and windows, and the ventilated doors and windows will be specifically shown in subsequent drawings.

Fig. 2 is a cross-sectional view of the door and window assembly of Fig. 1 taken along line A-A. Fig. 3 is a sectional view of the door and window assembly of Fig. 1 along line B-B. Please refer to FIGS. 1 to 3. Specifically, the outer frame 110 of this embodiment includes a track structure 112 and a pillar 114. The movable door and window 120 is movably coupled to the track structure 112 and can be opened or closed by moving along the track structure 112 in a direction D1 or a direction D2. The breathable doors and windows 140 (shown in FIG. 3) are arranged on the track structure 112 of the outer frame 110 and are located outside the movable doors and windows 120. The fixed door and window 130 includes a first inner frame 132 and a first light-transmitting plate 134. The first inner frame 132 is, for example, an aluminum frame and is fixed to the outer frame 110. The first light-transmitting plate 134 is, for example, a glass plate and is disposed in the first inner frame. Frame 132, the lower frame portion 132a (labeled in FIG. 2) of the first inner frame 132 is shielded by the track structure 112, and the bottom end 134a (labeled in FIG. 2) of the first transparent plate 134 is located in the lower frame of the first inner frame 132 Part 132a. Specifically, as shown in FIG. 2, the track structure 112 is shielded to the right of the lower frame portion 132 a of the first inner frame 132. Therefore, when viewed from the right to left in FIG. 2, the lower frame portion 132 a is shielded by the track structure 112.

As described above, the lower frame portion 132a of the first inner frame 132 of the fixed door and window 130 is set to be shielded by the rail structure 112, so that the lower frame portion 132a of the first inner frame 132 does not occupy the viewing area above the rail structure 112. Thereby, the area ratio occupied by the first light transmitting plate 134 of the fixed door and window 130 is increased. Thereby, the viewing area of the door and window assembly 100 can be made less restricted. The viewing area refers to, for example, an area covered by the first light-transmitting plate 134 and there are no other non-light-transmitting structures, so that a user can view through this area.

Specifically, as shown in FIG. 2 and FIG. 3, the track structure 112 includes a track portion 112 a and a recessed portion 112 b. The movable door and window 120 are movably coupled to the track portion 112 a. The recessed portion 112 b is adjacent to the track portion 112 a. The lower frame portion 132a of the inner frame 132 is disposed in the recessed portion 112b. By designing the recessed portion 112b, the lower frame portion 132a of the first inner frame 132 can be positioned lower than the rail portion 112a, and the lower frame portion 132a of the first inner frame 132 can be shielded by the rail portion 112a. Further, the recessed portion 112b has opposite upper and lower ends 112b1 and 112b2, the upper end 112b1 is flush with the top surface 112e of the track structure 112, and the depth of the recessed portion 112b from the upper end 112b1 to the lower end 112b2 can be designed to be greater than or equal to the first inner frame The height of the lower frame portion 132a of 132. This can ensure that the lower frame portion 132a of the first inner frame 132 does not protrude upward from the recessed portion 112b.

In this embodiment, the movable door and window 120 includes a second inner frame 122 and a second light-transmitting plate 124. The second inner frame 122 is, for example, an aluminum frame and is movably coupled to the track of the track structure 112 by a member such as a roller 120a. The portion 112 a and the second light-transmitting plate 124 are, for example, glass plates and are disposed on the second inner frame 122. The roller 120a is rotatably coupled to the second inner frame 122 and carried on the rail portion 112a, so that the second inner frame 122 can move as the roller 120a rolls along the rail portion 112a. The top surface 112e of the track structure 112 is coplanar with the reference plane S. The bottom end 124a of the second transparent plate 124 is located above the reference plane S, and the bottom end 134a of the first transparent plate 134 is located below the reference plane S. That is, the bottom end 134a of the first light transmitting plate 134 is located at a position lower than the top end of the track structure 112. Therefore, even if water penetrates from the outside to the bottom end 134a of the first light transmitting plate 134, it is located at the It is difficult for the water at the bottom end 134a to flow upward to the top of the track structure 112, thereby preventing outside water from entering the room. In this embodiment, the reference plane S is, for example, the floor of the indoor environment I and the outdoor environment O shown in FIG. 1, but the present invention is not limited thereto.

As shown in FIG. 2, the bottom of the outer frame 110 of this embodiment has a drainage port 110 a. Thereby, the water in the track structure 112 can be discharged through the drainage opening 110a to prevent water from entering the room. In addition, a movable cover 110b may be provided at the bottom of the outer frame 110, and the movable cover 110b covers the drainage opening 110a to prevent insects, animals, water or other foreign objects from entering the room.

Specifically, the movable cover 110b is designed to be opened only in the outdoor direction, for example. Therefore, when the water in the track structure 112 goes to the drainage outlet 110a, the movable cover 110b will be pushed outward by the flowing water and opened, so that the water will flow outdoors. In addition, when an outdoor insect, animal, water, or other foreign object is pushed against the movable cover 110b from the outside of the outer frame 110, the movable cover 110b does not open in the indoor direction, so it can prevent the outdoor insect, animal, water, or other foreign object The effect of entering the outer frame 110.

Fig. 4 is a sectional view of the door and window assembly of Fig. 1 taken along the line C-C. Please refer to FIG. 1 and FIG. 4, the post 114 is disposed on the track structure 112 and has a retracted portion 114 a (labeled in FIG. 4), and the breathable doors and windows 140 are partially hidden in the retracted portion 114 a. In addition, when the movable door and window 120 is closed as shown in FIG. 4, the side wall 114 c 1 of the pillar 114 covers a part of the side frame portion 122 b of the second inner frame 122, so that the side frame portion 122 b of the second inner frame 122 is partially hidden in the pillar 114. Inside. Thereby, the movable doors and windows 120 and the breathable doors and windows 140 do not excessively occupy the viewing area on the inside of the pillar 114, so that the viewing area of the door and window assembly 100 is not limited. The viewing area refers to, for example, an area covered by the second light-transmitting plate 124 and there is no other non-light-transmitting structure, so that a user can view through this area.

Specifically, the ventilating door and window 140 of this embodiment includes a third inner frame 142 and a ventilating net 144. The ventilating net 144 is, for example, a gauze and is disposed on the third inner frame 142, and the third inner frame 142 is, for example, an aluminum frame and is disposed. It is enclosed in the outer frame 110 (labeled in FIG. 1) and is partially hidden in the retracted portion 114 a of the pillar 114. In more detail, the lower frame portion 142a (labeled in FIG. 3) of the third inner frame 142 is fixed to the rail structure 112, and the side frame portion 142b (labeled in FIG. 4) of the third inner frame 142 is movably coupled to the third inner frame. The lower frame portion 142a of the frame 142. The side frame portion 142b can move in the direction D1 shown in FIGS. 1 and 4 along the lower frame portion 142a of the third inner frame 142 away from the pillar 114 and close the breathable doors and windows 140, and the side frame portion 142b can be opened in FIG. 1 and FIG. The direction D2 shown in FIG. 4 moves along the lower frame portion 142a and is at least partially hidden in the retracted portion 114a of the pillar 114 and opens the breathable door and window 140. Therefore, when the breathable door and window 140 is opened, the side frame portion 142 b of the third inner frame 142 is at least partially covered by the pillar 114 without occupying the viewing area inside the pillar 114. It should be noted that, in FIG. 4, the breathable door and window 140 is shown in an open state.

The ventilation mesh 144 in this embodiment is a foldable structure. When the ventilating doors and windows 140 are opened as shown in FIG. 4, at least part of the ventilating net 144 is folded and housed in the side frame portion 142 b of the third inner frame 142 and is located in the retracted portion 114 a of the upright 114. That is, the retracted portion 114a of the pillar 114 has a function of accommodating the ventilation mesh 144 and the side frame portion 142b. In addition, the third inner frame 142 of this embodiment further includes a fixing portion 142c. The fixing portion 142c is fixed to the upright 114 and hidden in the retracted portion 114a. The opposite ends of the ventilation net 144 are respectively connected to the fixing portion 142c and the third inner portion. The side frame portion 142b of the frame 142 can be folded or unfolded as the side frame portion 142b moves relative to the fixed portion 142c. Since the fixed portion 142c of the third inner frame 142 is shielded by the retracted portion 114a of the pillar 114, the fixed portion 142c does not occupy the viewing area inside the pillar 114.

On the other hand, the lower frame portion 142a of the third inner frame 142 may be at least partially covered by the rail portion 112a of the rail structure 112 as shown in FIG. 3, so that the lower frame portion 142a does not occupy the viewing area above the rail structure 112. Specifically, the track structure 112 is shielded to the right of the lower frame portion 142 a of the third inner frame 142 as shown in FIG. 3. Therefore, the lower frame portion 142 a is shielded by the track structure 112 when viewed from the right to the left in FIG. 3. Furthermore, the door and window assembly 100 and the other door and window assembly 100 'of this embodiment constitute a corner door and window structure as described above, and the retracted portion 114a of the pillar 114 of the door and window assembly 100 overlaps the other door and window assembly 100'. The overlapping design can increase the proportion of the viewing area of the corner door and window structure.

Referring to FIG. 4, in this embodiment, a side frame portion 142 b of the third inner frame 142 of the breathable door and window 140 has a breathable door and window operation portion 142 b 1. When the ventilating door and window 140 is in an open state as shown in FIG. 4, the ventilating door and window operation portion 142 b 1 is exposed outside the retracted portion 114 a of the pillar 114. Thereby, when the ventilating door and window 140 is opened, the user can easily apply force to the ventilating door and window operation portion 142b1 to close the ventilating door and window 140.

Similarly, in the present embodiment, the side frame portion 122b of the second inner frame 122 of the movable door and window 120 has a movable door and window operation portion 122b1. When the movable door and window 120 is closed as shown in FIG. 4 and the breathable door and window 140 is opened as shown in FIG. 4, the side frame portion 122 b of the second inner frame 122 abuts the upright 114, and at least part of the movable door and window operation portion 122 b 1 is blocked by the third inner frame 142. The side frame portion 142b is exposed. Thereby, when the breathable door and window 140 is opened and the movable door and window 120 is closed, it is convenient for the user to apply force to the movable door and window operation portion 122b1 to open the movable door and window 120.

Please refer to FIG. 4. In this embodiment, the pillar 114 includes a main pillar P1 and a structure-reinforced pillar P2. The main pillar P1 includes a plurality of connected side walls 114d1, 114d2, and 114d3, and a structural strengthening wall 114e surrounded by the side walls 114d1, 114d2, and 114d3. Both ends of the structural strengthening wall 114e are connected to the inner sides of the opposite side walls 114d1 and 114d3, respectively. . The structure-reinforced pillar P2 is disposed between two opposite side walls 114d1 and 114d3 and is located in the main pillar P1, and is combined with the structure-reinforced wall 114e. Thereby, it is possible to avoid reducing the structural strength of the column 114 due to the internal contraction portion 114a.

The retracted portion 114a of this embodiment is formed on the structurally reinforced pillar P2. Specifically, the structural strengthening pillar P2 includes a plurality of side walls 114c1, 114c2, and 114c3 connected to each other and two structure strengthening walls 114f1 and 114f2 connected to each other. The two structure strengthening walls 114f1 and 114f2 are connected to two adjacent side walls 114c1, respectively. Inside of 114c2, the structural strengthening wall 114f2, a partial section of the side wall 114c2, and the side wall 114c3 form a concave structure, that is, the indented portion 114a. In addition, the main pillar P1 has an open end 114b and exposes the retracted portion 114a through the open end 114b. Thereby, the breathable door and window 140 can be partially moved into the retracted portion 114a through the open end 114b of the main pillar P1. The main pillar P1 and the structure-reinforced pillar P2 in this embodiment are, for example, aluminum pillars and are assembled in an engaging manner, but the present invention is not limited thereto.

Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the attached patent application.

100, 100’‧‧‧ Door and window assembly

110‧‧‧ frame

110a‧‧‧drain

110b‧‧‧movable cover

112‧‧‧ track structure

112a‧‧‧Track Department

112b‧‧‧ Depression

112b1‧‧‧Top

112b2‧‧‧ bottom

112e‧‧‧Top

114‧‧‧ post

114a‧‧‧Retracted

114b‧‧‧ open end

114c1, 114c2, 114c3, 114d1, 114d2, 114d3

114e, 114f1, 114f2 ‧‧‧ Structural strengthening wall

120‧‧‧ movable doors and windows

122‧‧‧Second inner frame

122b, 142b‧‧‧ side frame

122b1‧‧‧Movable door and window operation section

124‧‧‧Second transparent plate

124a, 134a‧‧‧ bottom

130、130’‧‧‧Fixed doors and windows

132‧‧‧The first inner frame

132a, 142a‧‧‧ lower frame

134‧‧‧The first transparent plate

140‧‧‧ Breathable doors and windows

142‧‧‧ Third inner frame

142b1‧‧‧Ventilation door and window operation section

142c‧‧‧Fixed part

144‧‧‧ breathable mesh

D1, D2‧‧‧ direction

I‧‧‧ Indoor Environment

O‧‧‧outdoor environment

P1‧‧‧main cylinder

P2‧‧‧ structure reinforced column

S‧‧‧ datum

FIG. 1 is a perspective view of a door and window assembly according to an embodiment of the present invention. Fig. 2 is a cross-sectional view of the door and window assembly of Fig. 1 taken along line A-A. Fig. 3 is a sectional view of the door and window assembly of Fig. 1 along line B-B. Fig. 4 is a sectional view of the door and window assembly of Fig. 1 taken along the line C-C.

Claims (10)

A door and window assembly includes: an outer frame including a track structure and an upright post, wherein the upright is arranged on the track structure and has a retracted portion; and a movable door and window is movably coupled to the track structure and is used to move along the track structure. Open or close; fixed doors and windows, including a first inner frame and a first light transmitting plate, wherein the first inner frame is fixed to the outer frame, the first light transmitting plate is disposed on the first inner frame, and the first inner frame The lower frame portion is shielded by the track structure, the bottom end of the first light-transmitting plate is located in the lower frame portion of the first inner frame, and the breathable door and window are disposed in the outer frame and partially hidden in the inner constricted portion. The door and window assembly according to item 1 of the patent application scope, wherein the track structure includes a track portion and a recessed portion, the movable door and window are movably coupled to the track portion, the recessed portion is adjacent to the track portion, and the first inner frame of the The lower frame portion is disposed in the recessed portion, the recessed portion has opposite upper and lower ends, the upper end of the recessed portion is flush with the top surface of the track structure, and the depth of the recessed portion from the upper end to the lower end is greater than or equal to the The height of the lower frame portion of the first inner frame. The door and window assembly according to item 1 of the scope of patent application, wherein the breathable door and window includes a third inner frame and a ventilating net, the ventilating net is disposed on the third inner frame, the third inner frame is disposed on the outer frame, and the first The lower frame portion of the three inner frames is at least partially shielded by the track structure. A door and window assembly includes: an outer frame including a track structure and an upright, wherein the upright is arranged on the track structure and has an inward shrinkage; a fixed door and window fixed to the outer frame; a movable door and window movably coupled to the track structure, And move along the track structure to be opened or closed; and breathable doors and windows are arranged on the outer frame and partially hidden in the inner constriction. The door and window assembly according to item 1 or 4 of the scope of patent application, wherein the breathable door and window includes a third inner frame and a ventilating net, the ventilating net is disposed on the third inner frame, the third inner frame is disposed on the outer frame, and Partially concealed within the constriction. The door and window assembly according to item 5 of the scope of patent application, wherein a lower frame portion of the third inner frame is fixed to the track structure, and a side frame portion of the third inner frame is movably coupled to the lower portion of the third inner frame. A frame portion for moving along the lower frame portion of the third inner frame away from the post and closing the ventilating door or window, or moving along the lower frame portion of the third inner frame to be at least partially hidden within the frame Shrink the inside and open the breathable door and window. The door and window assembly according to item 6 of the patent application scope, wherein the side frame portion of the third inner frame has a breathable door and window operation portion, and the side frame portion of the second inner frame has a movable door and window operation portion. At that time, the ventilation door and window operation portion is exposed outside the retracted portion. When the movable door and window are closed and the ventilation door and window are opened, the side frame portion of the second inner frame is adjacent to the upright, and at least part of the movable door and window is operated The portion is exposed by the side frame portion of the third inner frame. The door and window assembly according to item 6 of the patent application scope, wherein the ventilation net is a foldable structure, and when the ventilation door and window are opened, at least a part of the ventilation net is folded and stored in the side frame portion of the third inner frame and is located in the Retracted inside. The door and window assembly according to item 6 of the scope of patent application, wherein the third inner frame includes a fixing portion, the fixing portion is fixed to the upright column and hidden in the retracted portion, and opposite ends of the ventilation net are respectively coupled to the fixing. And the side frame portion of the third inner frame. The door and window assembly according to item 1 or 4 of the scope of the patent application, wherein the upright includes a main column and a structure-reinforced column, the structure-reinforced column is disposed in the main column, and the constriction is formed in the structure-reinforced column The main post has an open end and exposes the constricted portion through the open end.