KR101605321B1 - Multi-layer window and addition window construction method thereof - Google Patents

Abstract

The present invention relates to a multi-layer window, and an additional window construction method thereof. The multi-layer window comprises: an installation module mounted inside an existing window frame of an existing window; a shading module installed in the installation module and transmitting or blocking sunlight emitted toward an indoor space; and an additional window installed inside the installation module. The present invention enables the additional window to be assembled to the inside of the existing window using the installation module to have multiple layers while unchangingly maintaining the existing window.

Description

[0001] MULTI-LAYER WINDOW AND ADDITION WINDOW CONSTRUCTION METHOD THEREOF [0002]

The present invention relates to a double-layered window and a method for constructing the double-layered window, and more particularly, to a double-layered window and a method of constructing the double-layered window to improve the heat insulation by further adding a window to the inside of the existing window.

Generally, a curtain wall is a structure that is installed to support vertical and horizontal loads exerted on the building from the outside on the columns and beams of the main structure of the building.

The curtain wall is constituted by a frame structure having a horizontal frame and a vertical frame in order to attach and detach a finishing material such as a glass wall, and a glass wall made of a double-layer glass is provided via an adapter member mounted on these frames.

Such a curtain wall is advantageous in that it can reduce the load of the building, shorten the air, and effectively minitect the room by mass-producing panels of the same standard at the factory and constructing them on site.

However, due to the nature of the material constituting the curtain wall, the curtain wall structure increases the cooling energy consumption as intense sunlight enters the building through the windows during the summer season, and the indoor heat is lost through the windows of the large area in winter Thereby increasing heating energy consumption.

In addition, there is a problem that condensation occurs due to the temperature difference between the inside and the outside of the glass inside the curtain wall.

In order to solve this problem, there has been a problem in that it takes a lot of cost and energy to replace the developed curtain wall by removing the existing curtain wall and improving the heat insulating performance.

Patent Literature 1 and Patent Literature 2 described below disclose a technique of providing a double-layered structure by installing additional glass on the indoor side without removing or replacing an existing curtain wall.

Patent Document 1 discloses a method for manufacturing a double-pane window, which includes a step of removing an inner side caulking portion of a window pane, a step of determining a width of the gap holding member, a step of providing a gap holding member at a position where the caulking portion is removed, A step of installing a glass window on the inner side of the member, and a step of caulking the inside of the installed glass window.

Patent Document 2 discloses a curtain wall frame in which a frame is fitted with a folding window made of a folding structure and fastened between upper and lower door windows, A repair work method and an overhang window structure for improving the heat insulation and sound insulation performance of the curtain wall closing the door by inserting the bar on the door fixing part and the bracket fixing part are described.

Korean Patent Publication No. 10-2009-0081783 (published on July 29, 2009) Korean Patent Publication No. 10-2014-0044450 (published April 15, 2014)

However, according to Patent Document 1, when the caulking portion of the existing window is removed and the additional window is installed and then caulked again, the construction can not be corrected if a defect occurs after the construction, and the installed additional glass should be removed and then reapplied.

As a result, when a wet type construction method such as a caulking operation is used as in Patent Document 1, there is a problem that the time, personnel, and material costs required for rework are unnecessarily increased.

In addition, Patent Document 2 can improve the workability at the time of installation by fixing the door of the window with the window to the frame and fixing the window with the bracket so that the window is still difficult to be reworked.

Also, Patent Document 2 has a limitation in completely blocking heat loss through the frame.

Meanwhile, in recent years, a double-window built-in blind has been developed in which a blade for shading is provided between an inner window and an outer window.

Therefore, it is necessary to install a blind inside the existing window when installing the ventilation system, to shut off the sunlight in the summer, to discharge the air heated by the radiation of the sun by the radiation of the sun to the outside, to transmit the radiant heat of the sun to the room in winter, It is necessary to develop a technology capable of preventing the loss of cooling and heating energy by introducing the heated air into the room.

An object of the present invention is to solve the above-mentioned problems, and to provide a double-layer window and a pavilion construction method in which a window is additionally installed in a conventional window.

Another object of the present invention is to provide a double-layer window and a paved construction method which can improve workability through dry type double-layer construction, increase heat insulation of a window, and prevent condensation.

It is another object of the present invention to provide a double-layer window and a paved construction method for preventing the loss of cooling and heating energy by installing a blind inside an existing window when the window is constructed.

In order to achieve the above object, the present invention provides a multi-layer window structure, comprising: a mounting module mounted inside a frame of a conventional window frame; a light-shielding module installed in the mounting module, And the door is installed in the existing window including the window installed inside the installation module in an assembled manner so as to be layered.

In order to accomplish the above object, the present invention provides a method of manufacturing a double-layer window, comprising the steps of: (a) fabricating an installation module, a light-shielding module and a window in a shape and size corresponding to an existing window, (B) assembling the installation module and the door, assembling the assembled installation module and the door to the existing window frame frame of the existing window, and (c) installing the window frame on the window frame, ) Assembling the mounting bracket to the mounting member of the mounting module and assembling the mounting module and the door by coupling the coupling rail formed on the inner side surface of the mounting bracket to the mounting groove formed on the outer side surface of the window frame of the door .

As described above, according to the composite window according to the present invention and the method for applying the window of the present invention, it is possible to construct the window in an assembled manner by using the installation module inside the existing window with the existing window maintained, Is obtained.

 According to the present invention, by providing the light shielding module between the existing window and the window, the cooling and heating efficiency can be improved and the occurrence of condensation due to the difference between the indoor and the outdoor temperatures can be prevented.

In addition, according to the present invention, the adjustment rope of the light-shielding module is taken out to the room so that the angle and length of a plurality of light-shielding panels provided in the light-shielding module can be adjusted according to the external environment in the room.

According to the present invention, an airtight module is provided in a window frame frame to block air movement between the window frame frame and the window frame to airtight, thereby improving the heat insulating performance.

According to the present invention, since the length of the coupling rail is shortened in a state where the installation module and the window frame frame of the window are assembled, the window frame frame is moved in the lateral direction along the coupling rail to easily fasten both ends of the installation module to the existing window Thus, it is possible to improve the workability in the construction work.

Further, according to the present invention, it is possible to secure the safety of a double-layered window by providing a supporting portion in an assembled manner at the lower portion of the window to stably support the load of the window, the mounting member and the light-

As a result, according to the present invention, it is not necessary to dismantle the existing window frame or glass, and after the installation module, the light shielding module and the window are manufactured in the factory and the existing window is assembled in a prefabricated manner, the workability of the construction work can be improved And it is possible to construct a room in a state where the occupant of the building lives everyday during the construction work.

1 is a front view of a composite window according to a preferred embodiment of the present invention;
2 is a sectional view taken along the line AA 'shown in FIG. 1,
3 is a sectional view taken along the line BB 'shown in FIG. 1,
Figure 4 is an illustration of an attachment member,
5 is an illustration of a mounting bracket,
Fig. 6 is a partially enlarged cross-sectional view of the composite window shown in Fig. 2,
Figure 7 is a partially enlarged cross-sectional view of the lower horizontal frame and the support,
FIG. 8 is a process diagram for explaining a step-by-step construction method of a composite window according to a preferred embodiment of the present invention.

Hereinafter, a composite window according to a preferred embodiment of the present invention and a paved construction method thereof will be described in detail with reference to the accompanying drawings.

In this embodiment, a method of constructing a curtain wall by using a curtain wall will be described in detail.

Of course, the present invention is not limited to this, and it should be noted that the present invention can be applied to existing windows of various types including curtain walls.

In the following, the terms "upward", "downward", "forward" and "rearward" and other directional terms are defined with reference to the states shown in the drawings.

Further, the direction in which the existing window is installed around the installation module is referred to as 'outside', and the direction in which the window is installed is referred to as 'inside'.

FIG. 1 is a front view of a composite window according to a preferred embodiment of the present invention, FIG. 2 is a sectional view taken along line A-A 'of FIG. 1, and FIG. 3 is a sectional view taken along line B-B' of FIG.

Before describing the construction of the multi-layered window 10 according to the preferred embodiment of the present invention, the structure of the existing window 20 will be described with reference to FIGS. 1 to 3. FIG.

The existing window 20 includes an existing window frame 21 installed on the exterior wall of the building, an internal heat insulator 22 provided inside the existing window frame 21 and a first glass 23 installed on the window frame 22 .

The existing window frame 21 includes a horizontal frame installed in a horizontal direction and a vertical frame installed in a vertical direction, and the horizontal frame is horizontally installed between a pair of vertical frames using a bracket installed in the vertical frame .

The first glass 23 may be provided as a pair glass which is formed to form a space between the pair of plate glasses in order to improve the heat insulating performance.

An air movement blocking member 24 for blocking air movement through the space between the first glass 23 and the existing window frame 21 may be provided between the first glass 23 and the existing window frame 21.

The existing window 20 may be provided with a project window (not shown) that is opened and closed by being turned up and down so as to be ventilated.

1 to 3, a composite window according to a preferred embodiment of the present invention includes an installation module 30 mounted inside an existing window frame 21 of an existing window 20, A light shielding module 40 installed to block or transmit sunlight incident to the room, and a door 50 installed inside the installation module 40.

The mounting module 30 has a mounting member 31 formed in a substantially rectangular frame shape and having a width corresponding to the width of the light shielding module 40 and a mounting member 31 mounted on the inner surface, And may include a bracket 32.

The shape of the mounting member 31 and the mounting bracket 32 may be variously modified depending on the shape, width, installation or the like of the light shielding module.

For example, FIG. 4 is an exemplary view of a mounting member, and FIG. 5 is an exemplary view of a mounting bracket.

Figs. 4 (a) to 4 (d) illustrate mounting members of various shapes.

That is, as shown in FIGS. 4A to 4D, the mounting member 31 may have a substantially square cross section or a rectangular cross section.

The mounting member 31 may be provided with a coupling groove 33 to which the mounting bracket 32 is coupled.

A heat insulating material may be provided on the outer surface of the mounting member 31 to block the heat transferred from the existing window 20.

5 (a), the upper and lower ends of the mounting bracket 32 are engaged with the engaging grooves 33, respectively, so that the outer side of the mounting bracket 32 So that the cross section can be formed in a substantially 'C' shape.

And on the opposite side of the inner surface of the mounting bracket 32, that is, the opened portion, a coupling rail 34 may be formed which is coupled to the mounting groove 68 of the door 50 described below.

The coupling rail 34 is elongated along the longitudinal direction of the mounting bracket 32. The coupling rail 34 is inserted into the mounting groove 68 at the tip end of the mounting rail 34 and is fixed to the mounting bracket 32 And the opening 50 can be prevented from being separated from each other.

In order to stably maintain the state where the existing window 20, the installation module 30, and the window 50 are coupled to each other, the coupling groove 33, the coupling rail 34, For example, a pair. When the plurality of coupling grooves 33, the coupling rails 34, and the mounting grooves 68 are provided as described above, they may be spaced apart from each other by corresponding intervals.

5 (b) and 5 (c), the mounting module 30 is integrally formed with the mounting member 31 and the mounting bracket 32 so that the cross section is formed in a square or rectangular shape, The coupling rail 34 may be formed on the inner side surface and the outer side surface of the module 30, respectively.

The light shielding module 40 is installed between the existing window 20 and the window 50 and can transmit or block sunlight incident on the inside of the window.

2, the shading module 40 is shown as a venetian blind that shields a plurality of shading plates by shading, but the present invention is not limited thereto, and a plurality of slats may be vertically attached to form a shading Such as a vertical blind, or a roll-up blind, in which the screen is rolled up and shaded.

6 is a partially enlarged cross-sectional view of the composite window shown in Fig.

2 and 6, the shading module 40 includes a plurality of shading plates 41 arranged to be adjustable in inclination angle, a plurality of shading plates 41 connected to the bottom bars provided below the plurality of shading plates 41, A ladder chamber 43 for adjusting the inclination angle of the light blocking plate 41, a take-up roller 44 for winding up the winding spool 42 and a take-up roller 44 connected to one side of the take- 44 to adjust the gap between the plurality of shield plates 41 and the inclination angle.

The light shielding module 40 may be assembled to the installation module 30 or may be connected to the lower portion of the installation member 31.

The adjustment rope 45 can be drawn out to the room through the installation module 30 and the door 50 so that the user can adjust the gap and the inclination angle between the plurality of light shielding plates 41 while the door 50 is closed have.

To this end, a connection pipe (not shown) may be installed at one side of the installation module 30 and the inflatable window 50 to connect one end of the wind-up roller 44 to the room to draw the adjustment rope 45 into the room have.

In the present embodiment, the adjustment rope 45 is taken out to the room to manually adjust the interval and the inclination angle between the plurality of light shielding plates 41 provided in the light shielding module 40. However, It is not.

That is, the present invention is characterized in that the light shielding module 40 is provided with a driving motor (not shown) for driving the winding roller 44, a power supply part (not shown) for supplying power to the driving motor, (Not shown) for applying a driving signal to the driving motor and a receiving module (not shown) for receiving the driving signal of the remote control and transmitting the driving signal to the driving motor.

The power supply unit may supply a commercial power source inside the building or supply power to a battery (not shown) built in the light shielding module 40.

The remote controller and the receiving module may include a transmitting antenna and a detecting sensor for transmitting and receiving signals by various methods such as an infrared ray or a laser.

The present invention may also be modified to include a control switch (not shown) for removing the remote control and the receiving module and being provided at one side of the window frame 20 to apply a driving signal to the driving motor according to a user's operation .

The window 50 includes a window frame 60 coupled with a mounting bracket 32 mounted on the installation module 30 and a window frame 70 slidably mounted on the window frame 60.

The window frame 60 may include a pair of horizontal frames 61 arranged vertically to form a substantially rectangular frame, and a pair of vertical frames 62 arranged laterally.

The window frame 60 may be manufactured in a shape and size corresponding to the existing window frame 21 of the existing window 20. [

That is, conventionally, when existing windows are installed on a part of the wall, the window is made larger than the existing windows so as to facilitate the construction work, and the windows are installed on both side walls of the room.

Accordingly, conventionally, there has been a problem in that a conventional window frame frame of the existing window is visible through the window, thereby deteriorating the aesthetic appearance and unnecessarily increasing the work cost and the working time as the size of the window increases.

On the other hand, according to the present invention, since the door is manufactured in the same size and shape as the existing window, and the door is installed in the inside of the existing window by using the installation module, the workability is improved during the construction work, .

Hereinafter, an upper horizontal frame 611 installed on the upper portion of the window frame 60 shown in Figs. 2 and 6 will be described.

In other words, although the detailed description of the lower horizontal frame 612 is omitted in the present embodiment, it should be noted that the lower horizontal frame 612 has a structure corresponding to the upper horizontal frame 611.

2 and 6, the upper horizontal frame 611 (hereinafter abbreviated as the horizontal frame 61)

First and second rails 63 to 64 for sliding the first and second window frames 71 and 72 provided on the window frame 70 may be formed on the lower surface of the horizontal frame 61.

The outer side of the first and second rails 63 and 64 serves as an auxiliary rail for blocking the movement of air through the horizontal frame 61 and the window frame 70, 65, and 66 may be formed.

A hermetic module 67 is provided between the second rail 64 and the third rail 65 to block the movement of air through the space between the window frame 70 and the second and third rails 64 to 65, Can be mounted.

The upper and lower edges of the first and second window frames 71 and 72 are provided with the first to fourth rails 63 to 66, respectively, at the upper and lower ends of the horizontal frame 60 and the inner wall, respectively, The mohair can be installed so as to face each other toward the outer side surface and the inner side surface.

A mounting groove 68 may be formed on the outer surface of the horizontal frame 61 to mount the coupling rail 34 formed on the inner side of the mounting bracket 32 of the mounting module 30. [

The airtight module 67 is installed in contact with the upper end of the window frame 70 at the lower portion of the elastic member 671 and the elastic member 671 installed in the space between the second and third rails 65 and 26, And a hermetic member 672 which hermetically seals between the second rail 64 and the third rail 65 while being moved up and down by elasticity of the elastic member 671 when the sliding member 70 is slid.

The elastic member 671 may be a spring member such as a leaf spring or a coil spring. However, it is preferable that the elastic member 671 is made of a rubber or a sponge material so as to prevent deterioration of airtightness due to deformation during prolonged use.

The elastic member 671 may be formed in a bar shape having a substantially rectangular cross section and extending along the longitudinal direction of the horizontal frame 61.

The hermetic member 672 is formed in a substantially rectangular plate shape elongated along the longitudinal direction of the horizontal frame 61 and has opposite ends of the hermetic member 672 and a second rail 64 And the lower end of the third rail 65 are bent downward to be symmetrical to each other.

2 and 3, the window frame 70 includes a first window frame 71 and a second window frame 71 sliding along the first and second rails 63 and 64 formed on the window frame 60 , 72).

Each of the first and second window frames 71 and 72 includes a pair of vertical window frames and a horizontal window frame so as to have a rectangular frame shape and each of the first and second window frames 71 and 72 is formed into a plate shape A second glass 73 and a third glass 74 may be provided.

The second and third glasses 73 and 74 may be provided as a pair glass which is formed by forming a space between a pair of plate glasses in order to improve the heat insulating performance.

7 is a partially enlarged sectional view of the lower horizontal frame and the support.

7, when the inflatable window 50 protrudes from the wall surface to the indoor side, the load 50 of the inflatable window 50, the installation module 30, and the light shielding module 40 A support 80 may be provided.

To this end, at least a pair of the coupling ribs 613 formed on the upper surface of the support portion 80, which will be described below, may be bent so as to correspond to each other on the lower surface of the lower horizontal frame 612.

The supporting portion 80 is formed in a substantially rectangular tube shape having an outer side and an inner side respectively opened and a finishing material 81 may be provided on the inner side of the supporting portion 80.

To this end, a step may be formed at the inner end of the supporting part 80 so that a finishing material 81 is provided.

An insertion groove 82 may be formed on the upper surface of the support part 80 so that a coupling rib 613 formed on the lower surface of the lower horizontal frame 612 is inserted.

Next, a method of constructing a composite window window according to a preferred embodiment of the present invention will be described in detail with reference to FIG.

FIG. 8 is a process diagram for explaining step by step the method of constructing a composite window according to a preferred embodiment of the present invention.

The installation module 30, the light shielding module 40 and the window 50 are manufactured in the shape and size corresponding to the shape and size of the existing window 20 in step S10 of FIG. 8, And the supporting portion 80 is manufactured in accordance with the height difference from the surface.

The manufactured installation module 30 and the window frame 50 of the window 50 are assembled to each other using the mounting bracket 32 in step S12 and then installed inside the existing window 20 in step S14.

At this time, the upper and lower ends of the outwardly bent mounting bracket 32 are inserted into the coupling groove 33 formed on the inner side surface of the mounting member 31, and the coupling rail 34 formed on the inner side surface of the mounting bracket 32, Is coupled to an attachment groove (68) formed on the outer surface of the horizontal frame (61) of the door (50).

On the other hand, the coupling rail 34 may be formed to be shorter than the length of the mounting bracket 32 by a predetermined length. Of course, a portion of both ends of the coupling rail 34 may be cut by a predetermined length before assembling with the window frame 60.

As the length of the coupling rail 34 is shorter than the length of the mounting bracket 32 as described above, the window frame 60 is mounted horizontally along the coupling rail 34 in the assembled state with the installation module 30 As shown in Fig.

In the process of installing the installation module 30 and the window frame 60 on the existing window 20, the operator moves the window frame 60 to one side, for example, the left side, The left end of the installation module 30 is fixed to the existing window frame 20 by fastening the fixing bolt after moving the window frame frame 60 to the other side such as the right side .

As described above, according to the present invention, since the length of the coupling rail is shortened in a state where the installation module and the window frame frame of the window are assembled, the window frame frame is moved in the lateral direction along the coupling rail to easily fasten both ends of the installation module to the existing window .

The first to fourth rails 63 to 66 are formed on the window frame 60 of the window 50 and the window frames 70 are provided between the second and third rails 64, A hermetic module 67 that hermetically seals between the second and third rails 64 and 65 and the window frame 70 is installed.

When the window frame 60 is protruded from the wall surface to the room side in step S16 after the installation of the installation module 30 and the window frame 60 is completed, the window 50, the installation module 30, The support portion 80 may be provided to support the load of the first housing 40 (S16).

At this time, the operator inserts the engaging ribs 613 formed on the lower surface of the window frame 60 into the insertion grooves 82 formed on the upper end of the supporting portion 80 to firmly engage the window frame 60 and the supporting portion 80 .

Then, the operator completes the assembly of the support portion 80 by joining the finish material 81 to the step formed at the inner end of the support portion 80. [

Accordingly, the support portion 80 can stably support the loads of the installation module 30, the shut-off module 40, and the in-door 50.

The light shielding module 40 is installed on the lower surface of the upper frame of the installation module 30 and the first and second window frames 71 and 72 of the window frame 70 are installed on the window frame 60 in step S18.

The adjustment rope 45 of the light shielding module 40 may be attached to the mounting module 30 and the door (s) 40 so that the user can adjust the gap between the light shielding plates 41 and the inclination angle, 50 to the inside of the room.

Accordingly, the user can adjust the angle and length of a plurality of shading plates provided in the shading module according to the external environment in the room.

As described above, according to the present invention, the light-shielding module is installed between the existing window and the window, thereby improving the cooling and heating efficiency and preventing condensation due to the temperature difference between the room and the outside.

Through the above-described process, the present invention can be applied to the inside of the existing window by using the installation module in an assembled manner.

Although the invention made by the present inventors has been described concretely with reference to the above embodiments, the present invention is not limited to the above embodiments, and it goes without saying that various changes can be made without departing from the gist of the present invention.

In other words, in the above-described embodiment, the door is installed in the curtain wall. However, the present invention is not limited thereto, and the present invention is not necessarily limited to the curtain wall, but may be modified to be applied to existing windows of various forms such as a curtain window, .

The present invention is applied to a double-layered window in which a door is assembled by using an installation module inside an existing window, and a method of its paved construction method.

10: Double-layer window 20: Original window
21: Existing sash frame 22: Inner insulation
23: first glass 24: air movement barrier
30: installation module 31: installation member
32: mounting bracket 33: engaging groove
34: Coupling rail 40: Shading module
41: Shading plate 42:
43: Ladder line 44: Winding roller
45: adjusting rope 46: mounting member
47: Connector 50: Vents
60: window frame frame 61: horizontal frame
611, 612: upper and lower horizontal frames 613:
62: vertical frame 63 to 66: first to fourth rails
67: airtight module 671: elastic member
672: sealing member 68: mounting groove
70: Window frames 71, 72: First and second window frames
73, 74: second, third glass 80: support
81: Finishing material 82: Insert groove

Claims (10)

A mounting module mounted inside the frame of the existing window frame of the existing window,
A shading module installed in the installation module and transmitting or blocking sunlight incident on the room;
And an opening provided inside the installation module
The existing window is installed in a folded manner to form a double layer,
The mounting module may include a mounting member formed in a rectangular shape and having a width corresponding to the width of the light shielding module
And mounting brackets provided on an inner surface, an inner surface, and an outer surface of the mounting member,
Wherein an inner side surface of the mounting bracket is provided with a coupling rail coupled to a mounting groove formed in the horizontal frame of the door,
A heat insulating material is coupled to the outer surface of the mounting bracket,
The window is a window frame frame coupled with a mounting bracket of the installation module,
And a window frame slidably mounted on the window frame,
Wherein a mounting groove is formed on an outer side surface of the horizontal frame to engage with a mounting rail of the mounting bracket,
Wherein a length of the coupling rail is shorter than a length of the mounting bracket,
Wherein the window frame frame is installed so as to be slidable in the horizontal direction along the coupling rail in a state of being coupled with the installation module so that both ends of the installation module are fixed to the existing window. delete The method according to claim 1,
The light-shielding module includes a plurality of light-shielding plates,
A plurality of shield bars connected to the lower bars provided below the plurality of shield plates,
A ladder room for adjusting the inclination angle of the shading plate,
A winding roller on which the winding yarn is wound and
And an adjusting rope connected to one side of the take-up roller and rotating the take-up roller to adjust an interval and a tilt angle between the plurality of light blocking plates,
Wherein the control rope is drawn into the room through the installation module and the door. delete The method according to claim 1 or 3,
Wherein the window frame frame includes first and second rails slidably moving the first and second window frames,
Third and fourth rails are formed on the outer sides of the first and second rails, respectively,
A hermetic module is mounted between the second rail and the third rail to block movement of air through the space between the window frame and the second and third rails using elasticity,
The hermetic module includes an elastic member installed in a space between the second and third rails and providing elasticity
And a hermetic member provided between the elastic member and the window frame to be in contact with the window frame and to be airtightly held between the second and third rails while being moved up and down by elasticity of the elastic member when the window frame is slid Double-layered windows. The method according to claim 1 or 3,
A support portion for supporting a load of the window is provided at a lower portion of the window frame,
Wherein the support portion is formed in a rectangular tube shape having an outer side surface and an inner side surface,
A finishing material is provided on an inner side surface of the support portion,
Wherein an upper end of the support portion is formed with an insertion groove into which a coupling rib formed on the lower surface of the window frame frame is inserted. (a) manufacturing an installation module, a light shielding module and a door in a shape and size corresponding to an existing window,
(b) assembling the installation module and the door, installing the assembled installation module and the window frame of the door in an existing window frame frame of the existing window,
(c) installing a window frame on the window frame; and
(d) installing a light shielding module under the upper frame of the installation module,
Wherein the mounting bracket is assembled to the mounting member of the mounting module and the mounting rail formed on the inner surface of the mounting bracket is coupled to the mounting groove formed on the outer surface of the window frame frame of the door, Assembled,
In the step (b), the mounting member is sequentially fixed to the existing window frame frame of the existing window with the window in a horizontal direction along the coupling rail formed to be shorter than the length of the mounting bracket,
Wherein a hermetic member for hermetically sealing the plurality of rails and the window frame is provided between a plurality of rails formed on the window frame frame in the step (c) by using elasticity when the window frame is moved. . 8. The method of claim 7,
Wherein the adjustment rope of the light shield module is drawn out through the installation module and the door so as to adjust the angle and distance of a plurality of shading panels provided in the light shield module in the step (d) Construction method. delete 9. The method according to claim 7 or 8,
(e) installing a support portion under the window frame frame,
Wherein the window frame frame and the support portion are coupled in an assembled manner by inserting a coupling rib formed on a lower surface of the window frame frame into an insertion groove formed in an upper end of the support portion.

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