KR20150073302A - Window frame structure for installation of window panel into frame - Google Patents

Abstract

The present invention relates to a window frame installation structure of a window panel characterized by preventing a water leakage through a gap in a coupling portion wherein a coupling means for fixing a separation-coupling supporting protrusion or a finish edge member to an inner window frame is installed and a gap in the connection portion of a heat-bridge preventing material installed between the inner window frame and an outer window frame by installing a lower glass supporter of a window glass installed on the lower top surface of a window frame composed of the inner window frame, the outer window frame, and the heat-bridge preventing material and a drain supporting plate composed of a drain inclination unit inclined downward to the outer side of a window between the inner and outer window frames and filling a sealing material in space units between the drain supporting plate and the inner window frame thereunder, the outer window frame and heat-bridge preventing material and discharging water flowing on the drain supporting plate through a discharge port formed on the outer window frame.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window frame structure,

The present invention relates to a structure for joining a window glass to a window frame installed on a window frame while supporting the window glass in a window structure including a window glass.

Generally, the window serves to introduce outside light into the room and to ventilate the room air appropriately by introducing outside air. In the closed state, the indoor heat and the outdoor heat flow are blocked, And maintains the

In recent years, as structural changes such as a certain range of balcony expansions have been legalized and the quality of living standard of the city people has been improved, the window has been required not only to enhance the airtightness performance and the heat insulation performance conventionally required but also to enhance the interior decoration or the outdoor exterior effect It is becoming important.

Such a window can be installed variously by installing a fixed window or an opening / closing window in a variety of ways, and it is possible not only to configure the opening and closing method of the opening and closing window in various ways such as tilting, turning, And is widely applied to residential buildings, office buildings, and the like.

Such a window is disclosed in Korean Patent Registration No. 10-1134543 as a prior art and has a window frame 1 as shown in Figs. 1 and 2, and a double window provided in the window frame 1 And a finishing frame 7 for finishing the window glass 5 after joining the window glass 5 to the window frame 1.

The window frame 1 is coupled with a window glass 5 serving as a double sided window so as to support a corresponding one side of the window glass 5 on the inner periphery (upper end, left end, right end) And a finishing frame 7 is coupled to the inner periphery of the other surface of the window frame 1 to support the other side of the window glass 5 inserted into the window frame 1. [

The horizontal joining jaw 3 and the horizontal joining jaw 4 are formed on the inner circumference of the other surface of the window frame 1 so that the supporting end 8 and the attaching and detaching end 9 of the finish frame 7 are respectively engaged with each other .

The process of assembling the window glass 5 to the window frame 1 is as follows.

First, the window glass 5 is put around the inner peripheral surface of the window frame 1. In this manner, one side surface of the window glass 5 is opposed to the supporting step 2 of the window frame 1. Next, a pair of closing frames 7 are fitted on both sides of the other side of the window frame 1, and a pair of closing frames 7 are fitted on the upper and lower sides of the other side of the window frame 1, So that it is not separated from the frame 1.

In this conventional window, generally, the support step 2 formed on one side (e.g., the outer side) of the window frame 1 is integrally formed upwardly protruding from the window frame body, and the other side Since the finish frame 7 provided on the inner side of the window glass 5 has a separate type structure, the direction in which the window glass 5 is installed is limited to one direction (the arrow A 'direction in FIG. 2) There is a problem that the applicability is limited in various construction sites.

Especially, in the case where the window glass is installed in the curtain wall structure, it is required to provide a structure in which the window glass can be installed in the window frame 1 from the outside in the section (slab section) where the window glass can not be installed from the inside to the outside direction, In the prior art, there is a problem that the efficiency of the construction work is lowered because the window frame and the installation part set each having a separate structure suited to each of the outer installation section and the inner installation section must be separately used.

In addition, the structure disclosed in the Korean Patent Registration No. 10-1134543 as a prior art or the structure proposed as an improved invention for improving the same has a structure in which the window frame 1 itself is integrally formed without separating the inside and the outside, As an appropriate solution to this problem, the inventor of the present invention has found that the inner window frame 1a and the outer window frame 1b are separately formed as shown in FIG. 3A, and the inner window frame 1a and the outer window frame 1b are separated from each other, 3b, a glass support 5a is mounted on the upper part of the inner window frame 1a and the outer window frame 1b, A structure in which the window glass 5 is installed while being supported between the support steps 2 and 4 is primarily considered, It is advantageous to insert the rubber gaskets 2a and 2b into the supporting step edges 2 and 4 supported by the window glass 5 from the outside of the window, The silicone calking is performed on the bonding surface between the silicon wafer 1 and the support step 2 supporting the silicon wafer 1. However, when water leaks from the silicon caulking portion as the use period elapses, Which is a serious danger to the safety of the entire window. Therefore, the structure is less stable than the case of using the rubber gaskets 2a and 2b.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a window frame for supporting a window glass, It is necessary for the structural stability and durability to adopt a structure in which the support step or the finishing frame having the rubber gasket is fastened and fixed to the inner window frame and the outer window frame by fastening means. In the window system structure, when the weather condition is exposed to strong weather conditions, the rubber gasket provided on the support step or the finish frame may be unevenly pushed in one direction. Even in such a case, To the outside of It is possible to provide a structure in which a gap capable of being formed at a connection portion between an inner window frame and an outer window frame due to the installation of a thermal bridge member or a joint hole forming portion due to the installation of a fastener coupling the support step, It is a primary technical object of the present invention to provide a structure for preventing rainwater from leaking through the rainwater.

In the process of solving the above-mentioned technical problems, it is possible to install the window glass even inside the window frame, thereby reducing the risk of occurrence of safety accidents due to the external construction and enhancing the stability of the construction. In addition, In order to minimize the number of parts to be used in order to shorten the construction period by minimizing the number of parts to be used, the window structure It is another technical problem to provide a window glass installation structure with high adaptability to various construction environments.

In addition, it is another additional task of the present invention to provide a support step and finishing structure that can be easily applied to various construction environments having different thicknesses of window glass. In Korean Patent Registration No. 10-1134543, In order to adapt to various construction environments in which the thickness of the window glass 5 is different, there is proposed a method of installing the finishing frame 7 in front of the window frame 1 instead of installing the finishing frame 7 inside the window frame 1. However, There is a problem in that the window is not advantageous not only in terms of safety but also in terms of interior. In the present invention, the support step and the window frame are provided inside the window frame, To provide a structure in which the above-mentioned problems are solved.

The present invention provides a window frame structure for a window glass having a detachable frame structure in which a heat bridge member is inserted between inner and outer window frames forming a window frame for supporting a window glass,

A supporting step or a finishing frame for supporting the window glass from the outside may be formed as a step-like structure protruding upward integrally with the outer window frame or an extended finishing frame connected to the upper part of the step-

A support step or a finishing frame for supporting the window glass from the inside is provided as a separate fastening support step or a finishing frame member which is fastened to the inner window frame by fastening means,

The lower glass support of the window glass installed on the lower upper surface of the window frame including the inner window frame, the outer window frame, and the heat bridge block, and a drain slope downwardly inclined in the outer direction of the window between the window frame A drainage support plate is formed, and

The space between the drainage supporting plate and the inner window frame, the outer window frame, and the heat bridge block at the lower portion thereof is filled with a sealing material so as to be fastened to the inner window frame of the detachable support step or finishing frame member, And the gap between the inner window frame and the outer window frame, and water flowing along the water drainage support plate is formed in the outer window frame The window frame is installed in the window frame and is discharged through the drain hole.

In order to provide a window installation structure capable of installing a window glass not only on the outer side but also on the inner side of the window frame by a simple change of the installation member, The mounting member coupled to the window frame so as to protrude upwardly is provided with a detachable support step in which a rubber gasket is inserted into a gasket mounting groove formed on an inner circumferential surface of the inner window frame, When the window glass installed from the inner side to the outer side is to be supported by the rear end of the inner window frame, the separated fastening support step is fitted to the lower upper surface of the inner window frame. In the gasket installation groove formed in the inner peripheral surface, Finish with gasket inserted Member, and

A supporting member formed to support the outer side of the window glass installed from the inner side to the outer side of the window frame is integrally and upwardly protruded integrally with the outer window frame and has a supporting gaskill inserted into the gasket mounting groove formed on the inner peripheral surface thereof, An extension finishing frame to which a rubber gasket is inserted in a gasket installation groove formed on an inner circumferential surface of the support window so as to extend from the outside to the inside of the support window, And a window frame structure for the window glass.

It is another object of the present invention to provide a window glass installation structure in which a detachable support step or a finishing frame member is provided so as to be positioned inside a window frame member without being protruded to the outside thereof, To provide a mounting support structure,

The thickness of the finishing member provided to support the inside from the inside to the outside of the window glass for rearward closure has a thickness of two or more standards having different thicknesses depending on the thickness of the window glass,

The thickness of the extended finishing frame provided additionally to the support step-and-hold structure for supporting the window glass installed from the outside to the inside is limited to at least two thicknesses different from each other depending on the thickness of the window glass To provide the window frame structure of the window glass.

According to the present invention, even in the separate frame structure in which the heat bridge member is inserted into the window frame supporting the window glass, the rubber gasket for supporting the window glass and the rainwater penetrating between the window glass surface can be easily discharged to the outside of the outer window frame A drainage support plate structure is provided to allow a gap formed at a connection portion between the inner window frame and the outer window frame due to the installation of the thermal bridge member or a joint hole formation portion according to the installation of a fastener coupling the separated fastener- It is possible to prevent the rainwater from leaking through the rainwater.

Further, the drainage support plate installed according to the window frame installation structure of the window glass according to the present invention protects the sealant applied to the connection portion of the thermal bridge breaker between the inner and outer window frames located below the drainage support plate from strong sunlight projected from the outside, Thereby securing the durability of the window frame, thereby separating the outer window frame and the inner window frame and providing a thermal bridge between them to prevent the good insulation effect from being damaged through the window installation process.

In addition, according to a further embodiment of the present invention, it is possible to install the window glass not only on the outer side but also on the inner side of the window frame, thereby reducing the risk of occurrence of safety accidents due to the outer construction, It is possible to minimize the number of parts to be used even when the installation direction is changed to prevent confusion in the construction site, thereby increasing the construction efficiency and shortening the air.

On the other hand, by providing a support step and finishing structure that can be easily applied to various construction environments having different thicknesses of the window glass, the number of system components to be provided in order to adapt to various construction environments having different thicknesses of the window glass can be minimized Thereby providing an effect of enhancing the economical efficiency of construction while achieving an aesthetically satisfactory construction finish.

1 and 2 are a perspective view and a cross-sectional view showing an installation structure for installing a window glass to a window frame according to the related art.
3A and 3B illustrate a structure of a primary reformer to which the present invention is applied. In FIG. 3A, a cross-section is shown in which an inner window frame and an outer window frame are separated from each other, FIG. 3B shows a state where a window glass is installed on a window frame having such a structure.
FIG. 4 is a cross-sectional view illustrating a state in which a window glass is installed (installed from the outside to the inside) according to the window frame installation structure of the window glass according to the first preferred embodiment of the present invention.
Fig. 5 is an enlarged view of a portion "A-1" in Fig.
FIGS. 6A to 6E are views illustrating a process of installing a window glass in a window frame according to the first embodiment shown in FIGS. 4 and 5. FIG.
Fig. 7 is a modification of the first embodiment shown in Figs. 4 to 6E. Fig. 7 is a view for showing a change situation in an installation structure for a window glass composed of triple-glazed windows. In Fig. 7, 1 "portion is changed to" A-2 ".
FIG. 8 is a cross-sectional view illustrating a state in which a window glass is installed according to a second embodiment of the present invention; FIG.
Fig. 9 is an enlarged view of the portion "B-1" in Fig.
FIG. 10 is an exploded perspective view showing the assembled state of the components of the second embodiment shown in FIGS. 8 and 9. FIG.
FIGS. 11A to 11D are views showing a process of installing a window glass in a window frame according to a second embodiment shown in FIGS. 8 to 10. FIG.
Fig. 12 is a modification of the second embodiment shown in Figs. 8 to 11E. Fig. 12 is a view for showing a change situation in an installation structure for a window glass composed of triple-glazed windows. In Fig. 12, 1 "portion is changed to" B-2 ".

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

The present invention is characterized in that the heat bridge 30a is provided between the inner and outer window frames 10a and 10b forming the window frame for supporting the window glass 50 as described above, The window frame having a detachable frame structure in which the window frame is installed,

The rubber gasket for supporting the window glass 50 and the rainwater penetrating between the surface of the window glass 50 can be easily discharged to the outside of the outer window frame 10b,

The supporting step or finishing frame for supporting the window glass 50 from the outside may be formed as a step-like structure 12 projecting upwardly integrally with the outer window frame 10b or may be connected to the upper part of the step- And provided with an extended finishing frame 40 to be installed,

A supporting step or a finishing frame for supporting the window glass 50 from the inside is provided with a separate clamping support step 20 or a finishing frame member 20 which is engaged and fixed to the inner window frame 10a by fastening means 20b and 20c ',

The lower glass support 50a of the window glass 50 installed on the lower upper surface of the window frame including the inner window frame 10a, the outer window frame 10b and the heat bridge 30a, A drainage support plate 60 formed to include a drainage slope part 62 inclined downward toward the outside of the window,

The space between the drainage support plate 60 and the inner window frame 10a, the outer window frame 10b and the thermal bridge member 30a is filled with a sealing material 70 to form a separation fastening step 20 20b provided for fixing the inner frame 20a to the inner window frame 10a and the clearance between the inner window frame 10a and the outer window frame 10a, The water flowing along the drain support plate 60 is prevented from leaking through the drain hole 14 formed in the outer window frame 10b, The window frame is installed in the window frame.

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According to the structure of the first embodiment, in which the window glass, which is one specific type of the window frame installation structure according to the preferred embodiment of the present invention, is installed from the outside to the inside of the window frame, 5, which is an enlarged cross-sectional view of the concave portion ('A-1' portion), the supporting step for supporting the window glass 50 from the inside is fixed to the inner window frame 10a by the engaging means 20b And a finishing frame for supporting the window glass 50 from outside is connected to an upper portion of the step-like structure 12 protruding upward integrally with the outer window frame 10b And a window glass 50 provided on the upper end of the window frame provided with the extension frame 40 and including the inner window frame 10a, the outer window frame 10b and the heat bridge 30a, A drainage support plate 60 is installed between the lower stage glass support 50a of the upper glass support 50a and the window frame so that the drainage support plate 60 is upwardly moved to the inside to prevent the rainwater from overflowing inward. And a drain sloping portion 62 having a protruded exponential partition 61 and sloping downward outwardly.

A sealing material 70 is filled in the space between the drainage supporting plate 60 and the inner window frame 10a, the outer window frame 10b and the thermal bridge 30a at the lower part thereof, Provided between the inner side window frame 10a and the outer side window frame 10b, and a gap formed between the inner side window frame 10a and the outer side window frame 10b in order to fix the step 20 to the inner side window frame 10a, It is possible to prevent the leakage of the water through the gap at the connection portion of the thermal bridge block 30a and allow the water flowing along the drain support plate 60 to be discharged through the drain hole 14 formed in the outer window frame 10b.

6A to 6E, a process of installing the window glass from the outside to the inside according to the first embodiment will be described with reference to FIGS. 6A to 6E. In order to support the window glass 50 from the inside, as shown in FIG. 6A, (20) is provided at four sides of the inner window frame, and the outer window frame (10b) is provided so as to support the window glass (50) from the outside A step-like structure 12 protruding upward integrally with the lower portion is formed. On the other hand, an extension finishing frame 40 is connected to an upper portion of the step-like structure 12, which is integrally formed with a narrow thickness so as to fill the distance from the window glass 50.

In a space between the detachably coupled support step 20 to which the rubber gasket 20a is coupled and the extending finishing frame 40 extending to the upwardly protruding step-like structure 12, the inner window frame 10a, A drain support plate 60 is formed on a lower upper surface of the window frame including the frame 10b and the thermal bridge 30a and includes a drain slope portion 62 inclined downward toward the outside of the window And the lower glass support 50a of the window glass 50 is installed on the upper portion thereof as shown in FIG. 6B.

The drainage support plate 60 and the inner side window frame 10a, the outer side window frame 10b, and the lower side window frame 10a, respectively, before the drainage support plate 60 is installed, The space between the heat bridge members 30a is filled with a sealant 70 (see enlarged view of FIG. 5 and FIG. 7) so as to fix the separated fastener support step 20 to the inner window frame 10a The rainwater is leaked through the gap of the fastening portion where the provided fastening means 20b is provided and the gap at the connection portion of the heat bridge 30a provided between the inner window frame 10a and the outer window frame 10b And the outer surface of the sealing material 70 is covered by the drainage support plate 60, so that it has good durability and weatherability.

Next, as shown in FIG. 6C, the window glass 50 is placed on the lower glass support 50a so that the inner surface of the window glass 50 is attached to the inner window frame 10a by the fastening means 20b 6d so as to be supported by the rubber gasket 20a coupled to the inner circumferential surface of the detachably coupled support step 20 which is engaged and fixed by the window glass 50, (40 ') is fitted on the upper, left and right sides of the side of the outer window frame (10b) so that the outer surface of the window frame (10b) The rubber gasket 40a is fitted on the inner circumferential surface of the window glass 40 together with the outer surface of the window glass 50 installed from the outside to the inside.

Even if the rainwater flowing along the outer side surface of the window glass 50 installed as described above flows downward through the rubber gasket 40a and flows downward, the drain slope portion 62 Is discharged to the outside through the drain hole 14 formed in the outer window frame 10b.

Fig. 5 is an enlarged view of the portion "A-1" in Fig. 4. As can be seen from Fig. 5, a double glass is installed as the window glass 50, As shown in FIG. 7, as an alternative to the first embodiment of FIGS. 6A to 6E, it is possible to easily change the installation structure to the window glass made of triple glass. According to such a change situation, the portion "A-1" in the first embodiment of Fig. 5 is changed as the portion "A- As the thickness increases, the thickness of the extended finishing frame 40 extended to the lower step-like structure 12 of the outer window frame 10b is reduced as shown in FIG. 7, The thickness of the upper and left side edges 40 'of the top and left and right sides can be changed simply by using a reduced member.

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Next, according to the structure of the second embodiment in which the window glass, which is another concrete type of the window frame installation structure according to the preferred embodiment of the present invention, is installed inward from the outside of the window frame, 9, the support step for supporting the window glass 50 from the outside includes a step-like structure 12 (see FIG. 9) formed integrally with the lower outer window frame 10b integrally and projecting upwardly, In this case, the extension finishing frame 40 described in the first embodiment is no longer used, and instead of the separate fastening support step 20 used for the inner window frame 10a, 9 is a perspective view of a window frame 20 'according to an embodiment of the present invention. As shown in FIG. 9, the window frame 20' has a fastening end 20c, 10a) It is preferable that the upper surface engaging groove is engaged with the upper surface engaging groove.

Like the first embodiment described above, the window glass 50 installed on the top of the window frame including the inner window frame 10a, the outer window frame 10b, and the thermal bridge 30a, A drainage support plate 60 is installed between the lower stage glass support 50a of the upper glass support 50a and the window frame so that the drainage support plate 60 is upwardly moved to the inside to prevent the rainwater from overflowing inward. And a drain sloping portion 62 having a protruded exponential partition 61 and sloping downward outwardly.

The seal member 70 is filled in the space between the drainage support plate 60 and the inner window frame 10a, the outer window frame 10b and the thermal bridge member 30a at the lower portion thereof The gap between the fastening portions provided for fastening the separate fastening support step 20 to the inner window frame 10a and the gap between the inner window frame 10a and the outer window frame 10b, The water flowing along the drain support plate 60 is discharged through the drain hole 14 formed in the outer window frame 10b, and the drainage water is prevented from leaking through the drainage hole 14 formed in the outer window frame 10b The installation structure of the drain hole 14 is more clearly shown in the exploded perspective view of Fig. 10

11A to 11E, a process of installing the window glass from the inside to the outside according to the second embodiment will now be described with reference to FIGS. 11A to 11E. As shown in FIG. 11A, in order to support the window glass 50 from the outside, A rubber gasket 40a is provided in the fitting groove formed in the inner peripheral surface of the step-like structure 12 in place of the extending finishing frame 40 in the first embodiment. So that the outer surface of the window glass 50, which is directly coupled to the window glass 50, is tightly supported.

On the other hand, the outer window frame 10b forming the top and left and right sides of the window frame is provided with a detachable support step 40 "of the same standard as the above-mentioned step-like structure 12 by using the fastening means 40" So that the rubber gasket 40a can be fitted into the entire four deformations of the step-like structure 12 of the lower side and the separated fastening support step 40 "of the remaining three sides.

Then, when the separated fastening support step 40 "coupled with the rubber gasket 20a and the outer support part formed by the upwardly protruding step-like structure 12 are completed, before the window glass 50 is installed A drain slope portion 62 inclined downward in the outer direction of the window is formed on a lower upper surface of the window frame including the inner window frame 10a, the outer window frame 10b, and the thermal bridge 30a And a lower end glass support 50a of the window glass 50 is installed on the upper side of the drain support plate 60 as shown in FIG.

The drainage support plate 60 and the inner side window frame 10a, the outer side window frame 10b, and the lower side window frame 10a, respectively, before the drainage support plate 60 is installed, The space between the thermal bridge members 30a is filled with a sealant 70 (see an enlarged view of FIG. 9 and FIG. 12), and the heat bridge member 30a, which is provided between the inner window frame 10a and the outer window frame 10b, And the outer surface of the sealing material 70 is covered by the drainage support plate 60 so that it has good durability and weatherability.

Next, as shown in FIG. 11B, the window glass 50 is placed on the lower glass support 50a so that the outer surface of the window glass 50 is supported by the support window structure 50a, which is integrally formed with the outer window frame 10a, 11c so as to be supported by the rubber gasket 40a coupled to the inner circumferential surface of the detachable fastening support step 20 and the fastening means 40 "b, As shown in FIG. 11 (d), upper and left and right side finish frame members 20 'are fitted and connected to the inner window frame 10a side so that the outer surface of the window glass 50 is tightly supported and installed The rubber gasket 40a is inserted into the inner circumferential surface and the inner side surface of the window glass 50 installed from the inside to the outside is tightly supported at the rear side to complete the installation of the windows. Silver Through the perspective view of 10, the order of installation (① → ② → ③ → ④ → ⑤) can be grasped well.

FIG. 9 is an enlarged view of the portion "B-1" of FIG. 8. As can be seen from FIG. 9, the double glass is installed as the window glass 50, As a modified embodiment of the second embodiment shown in FIG. 11D, it is possible to easily change the installation structure of the window glass made of triple glass as shown in FIG. According to this change situation, the portion "B-1" in the first embodiment of Fig. 9 is changed as the portion "B- The thickness of the finishing frame member 20 'under the inner window frame 10a is reduced as shown in FIG. 12 as enlarged as the thickness of the upper window frame 10a is increased. In addition, (20 ') can be easily solved by using a reduced member.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, Of the right.

10a: inner and outer window frame
10b: inner and outer window frame
30a: Thermal barrier
12: Step structure
14: drainage
20: Separable fastening step
20 ': Finishing member
40: Extended finishing tee
20a, 40a:
50: Window glass
60: Drain support plate
62: Drain inclination part
70: sealing material

Claims (4)

A window frame installation structure of a window glass having a detachable frame structure in which a thermal bridge member (30a) is inserted between inner and outer window frames (10a, 10b) forming a window frame for supporting the window glass (50) 50 and the outer surface of the outer window frame 10b. The outer window frame 10b is formed of a rubber gasket,
The supporting step or finishing frame for supporting the window glass 50 from the outside may be formed as a step-like structure 12 projecting upwardly integrally with the outer window frame 10b or may be connected to the upper part of the step- And provided with an extended finishing frame 40 to be installed,
A supporting step or a finishing frame for supporting the window glass 50 from the inside is provided with a separate clamping support step 20 or a finishing frame member 20 which is engaged and fixed to the inner window frame 10a by fastening means 20b and 20c ',
The lower glass support 50a of the window glass 50 installed on the lower upper surface of the window frame including the inner window frame 10a, the outer window frame 10b and the heat bridge 30a, A drainage support plate 60 formed to include a drainage slope part 62 inclined downward toward the outside of the window,
The space between the drainage support plate 60 and the inner window frame 10a, the outer window frame 10b and the thermal bridge member 30a is filled with a sealing material 70 to form a separation fastening step 20 20b provided for fixing the inner frame 20a to the inner window frame 10a and the clearance between the inner window frame 10a and the outer window frame 10a, The water flowing along the drain support plate 60 is prevented from leaking through the drain hole 14 formed in the outer window frame 10b, Wherein the window frame has a plurality of projections formed thereon. The method according to claim 1,
An installation member that is coupled to the inner window frame 10a so as to protrude upward to support the window glass 50 installed inside from the outside of the window frame to the inside window frame 10a is fixed to a lower upper surface of the inner window frame 10a, And the separable coupling support step 20 is installed from the inner side to the outer side while the rubber gasket 20a is inserted into the gasket installation groove formed on the inner circumferential surface of the rubber gasket 20a, When the window glass 50 is to be rearwardly closed from the inside, the window glass 50 is installed in the gasket mounting groove formed on the inner peripheral surface of the inner window frame 10a, and the rubber gasket 20a Is installed to be inserted into the floor frame member (20 '). 3. The method of claim 2,
As an installation support member formed to support the outer side of the window glass 50 installed from the inside to the outside of the window frame from the outside, the installation support member is integrally formed with the outer window frame 10b so as to protrude upwardly, Is provided with a supporting step-tilting structure (12) in which a gasket (40a) is inserted and is fitted to extend inwardly of the supporting and tilting structure (12) so as to support the outside of the window glass (50) And a rubber gasket (40a) is inserted in the gasket mounting groove formed in the window frame (40). 4. The method according to any one of claims 1 to 3,
In order to provide an installation support structure capable of appropriately responding to a change in the thickness of the window glass while being provided so that the separate fastening type support step and the finish frame member are positioned inside the window frame without protruding outside the cross-
The thickness of the finishing frame member 20 'provided to support the inside of the window glass 50 from the inside to the outside is limited to two or more thicknesses having different thicknesses , And
The thickness of the extended finishing frame 40 provided additionally to the supporting and tilting structure 12 for supporting the outside of the window glass 50 from the outside to the rear is limited by the thickness of the window glass 50, Wherein the thickness of the window frame is greater than the thickness of the window frame.

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