KR102481245B1 - Stainless steel insulation window frame - Google Patents

Abstract

The present invention relates to a stainless steel insulation window frame, and more particularly, to a stainless steel insulation window frame, which has an insulation bar having excellent durability and rigidity due to strong binding with inner and outer stainless steel frames, can firmly and stably support a glass pane by increasing the contact area between the glass pane constituting a window and the stainless steel frames, and is easy to install. A stainless steel insulation window frame according to the present invention comprises: inner and outer stainless steel frames (10, 11) which have an empty space formed therein, and a lower end (13) bent vertically upward and an upper end (12) bent triple times in the state where one side of the cross section is open to the outside, and which are provided on the inner and outer sides of a wall to face each other at a predetermined interval; and an insulation bar (30) having an insulation bar body (31) provided in the longitudinal direction between the inner and outer stainless steel frames (10, 11), an upper side support piece (32), a lower side support piece (33), a lower side fitting groove (34), and an upper fitting groove (35).

Description

Stainless steel insulation window frame}

The present invention relates to a stainless insulated window frame used to form a window or door on a wall, and more particularly, in the case of forming a window or door on a wall of a building, durability and rigidity due to strong binding with the inner and outer stainless frame This excellent insulation bar can be configured, and the cross-sectional structure of the insulation bar is simple, so it is easy to manufacture, it can be conveniently attached to and detached from the inner and outer stainless frames, and the contact area between the glass surface constituting the window and the stainless frame is increased. The present invention relates to a stainless insulated window frame that can firmly and stably support glass, and can easily finish the space between the inner and outer stainless frames with one cover member, which is simple in configuration and easy to install and install.

In general, the wall of a building is provided with a window frame formed of a window frame and doors surrounding the edge of the window and door, and the window frame is composed of an inner and an outer frame and is formed in a long bar shape to support the window or the exterior panel of the wall.

The windows supported by the window frames function to secure a view and indoor lighting by sunlight, and the windows are supported by a window frame that is provided long in the horizontal or vertical direction. It is partitioned to block rain or wind from the outside and to block noise or heat.

As shown in FIG. 1, such a window frame consists of a tong bar erected vertically on both sides of the door, a column bar installed vertically on the outside at a constant distance from each of the tong bars, and a vertically erected tong bar and column bar. The middle bar installed horizontally on both sides of the entrance door at the midpoint in the upward direction, the lot bar installed horizontally right above the door, the upper bar installed horizontally at the upper end of the vertical bar and column bar, and the lower part in contact with the ground It consists of a lower bar, etc. to be installed, and each space between the bar, column bar, middle bar, lot bar, upper bar, lower bar, etc. has double tempered glass windows for the purpose of securing visibility with the outside, aesthetics, and skylight At this time, the bar, column bar, middle bar, lot bar, upper bar, lower bar, etc. are manufactured by bending a stainless steel plate with excellent corrosion resistance and strong strength, and at the same time, the inside is separately manufactured for insulation A plastic insulation bar is used. The insulating bar not only effectively connects two or more stainless bending frames, and at the same time enhances thermal insulation, which is a weakness of a stainless steel sheet having high thermal conductivity, but also helps improve the binding force of a double-tempered glass window that is vulnerable to earthquakes.

On the other hand, various types of window frames are being commercialized in order to increase the heat-blocking effect of the window frame and to increase the crime prevention and durability. There is a method of cutting the middle of the aluminum extrusion frame on the side and the outdoor side in the longitudinal direction as secondary processing, but in the case of this type of window frame, there is a problem in that the product cost is high due to low productivity, and welding assembly is required when assembling the window. There is a problem that the durability is lowered due to the non-piece assembly method.

Another type of window frame for improving durability includes a method of inserting an insulation bar in the middle of the inner and outer frames bent and assembled with stainless steel in the longitudinal direction, or wrapping the inner and outer stainless frames in which both sides of the insulation bar are bent.

In Korean Patent Registration No. 10-1471088 (title of invention: 'Metal Insulation Window'), between the inner and outer frames, the bent parts that are bent downward and upward are formed at the open upper and lower ends of the 'c'-shaped stainless frame. It is configured to be used for glass members of various widths by configuring a heat insulating part in which a coupling groove is formed to insert the bent part, but the rigidity and durability of the heat insulating part are weak, so there is a possibility that it is easily bent or damaged by external force or impact such as strong wind and rain,

Korean Patent Registration No. 10-1507578 (Title of Invention: 'Insulation Frame for Glass Installation and Manufacturing Method Thereof') includes an insulation bar fastening between inner and outer frames spaced apart from each other with a certain space interposed therebetween, The outer frame has a shape bent inward, and a separate fixing member is inserted into the space formed inside the heat insulating member between the inner and outer frames to be combined, so that the heat insulating bar is positioned on the inner and outer frames and fixed again. The method of inserting and combining members is complicated, and it is difficult to insert and combine directly into the openings of the inner and outer frames without inserting them in the longitudinal direction.

In addition, in Korean Patent Registration No. 10-2067909 (Title of Invention: 'Construction Method of Stainless Insulation Window System and Insulator of Stainless Insulation Bar Applied thereto'), only two It is configured so that the window frame can be constructed using only the insulator, but the cross-sectional shape of the type 1 and type 2 insulators is complicated, making it difficult to manufacture, and the construction is complicated and takes a lot of time. In addition to the inner and outer frames, the rigidity and durability of the heat insulator is weak, and the structure is complicated because a separate auxiliary frame is provided in addition to the inner and outer frames. It is difficult to couple from the side of the inner and outer frames through the frame, and installation, construction and maintenance are difficult.

Domestic Patent No. 10-1471088 (Title of Invention: 'Metal Insulation Window') Korean Patent Registration No. 10-1507578 (Title of Invention: 'Insulation Frame for Glass Installation and Manufacturing Method') Korean Patent Registration No. 10-2067909 (Title of Invention: 'Construction method of stainless insulation window system and insulation material of stainless insulation bar applied thereto')

The present invention has been derived to solve the above problems, in the case of forming windows and doors on the wall of a building, by improving the binding force between the inner and outer stainless frames and the insulation bar, durability and To configure a window frame with excellent rigidity, to simplify the cross-sectional structure of the insulation bar to facilitate manufacturing, to insert and combine along the longitudinal direction of the inner and outer stainless frames, And through the opening of the outer stainless frame so that the insulation bar can be easily coupled from the side,

In addition, the contact area between the glass surface constituting the window and the stainless frame is increased so that the glass can be supported firmly and stably, and the space between the inner and outer stainless frames can be easily finished with one cover member, so the configuration is simple and , to provide a stainless insulated window frame that is easy to install and construct.

In one form of the present invention for solving the above problems, an inner empty space is formed, and in a form in which one side of the cross section is open to the outside, the lower end 13 has an upper side with one side open to the outside along the longitudinal direction. It is bent vertically, and the upper end 12 is first bent vertically along the longitudinal direction to the lower side with one side open to the outside opposite to the lower end 13 bent vertically upward, and vertically to the lower side. Again, at a position spaced a predetermined distance from the point 15 where the first bend is made, the second bend is horizontally outward along the longitudinal direction, and again at a position spaced apart a predetermined distance from the point 16 where the second bend is horizontally outward. Inner and outer stainless frames (10, 11) in which a pair of stainless frames formed to be vertically bent three times downward are provided on the inside and outside of the wall facing each other at a predetermined interval; And, an insulation bar body portion 31 is provided along the longitudinal direction between the inner and outer stainless frames 10 and 11 facing each other at a predetermined interval, and the upper left and right sides of the insulation bar body portion 31 An upper side support piece 32 is provided on the upper right end surface so as to vertically protrude upward for a predetermined length along the longitudinal direction, and the lower left and lower right end surfaces of the insulating bar body 31 have lower left and lower right end surfaces along the longitudinal direction. The lower side support pieces 33 are provided so as to protrude vertically at a predetermined length, and the lower side fitting grooves 34 of a predetermined depth are in contact with the upper inner surface of the lower side support pieces 33 provided on the left and right sides, respectively. Insulation bars 30 are formed, and upper fitting grooves 35 having a predetermined depth are formed at positions spaced apart from the center of the insulation bar body 31 by a predetermined equal distance to the left and right sides; It is formed including, and the lower ends 13 of the inner and outer stainless frames 10 and 11 are inserted into and coupled to the lower side fitting grooves 34 provided on the left and right sides of the insulation bar 30, respectively. The inner surfaces of the lower ends 13 of the inner and outer stainless frames 10 and 11 are in close contact with the outer surfaces of the left and right lower side support pieces 33 of the insulating bar 30, respectively, and the inner and outer surfaces The upper ends 12 of the stainless frames 10 and 11 are inserted into the upper fitting grooves 35 provided on the left and right sides of the insulation bar 30, respectively, and the inner and outer stainless frames 10 and 11 The vertical inner surface from the first bending point 15 to the second bending point 16 of the upper end 12 of ) is the outer surface of the upper side support piece 32 on the left and right sides of the insulating bar 30 , respectively, and the horizontal inner surface from the second bending point 16 of the upper end 12 of the inner and outer stainless frames 10 and 11 to the third bending point 17 is the insulation bar body portion 31 ) Provides a stainless insulated window frame (1) characterized in that it is in close contact with the upper side of the left and right sides of each.

In the stainless insulated window frame 1 according to one aspect of the present invention, a guide surface 36 is formed with a predetermined slope on the inner surface of the central fitting groove among the inner surfaces of both sides of the upper fitting groove 35, and the upper fitting groove ( 35), the inner surface of the outer fitting groove among the inner surfaces of both sides may be in close contact with the inner surface of the upper end 12 of the inner and outer stainless frames 10 and 11 inserted into the upper fitting groove 35,

Preferably, the inner and outer stainless frames 10 and 11 are provided on the left and right sides of the upper and lower portions of the insulating bar 30 interposed between the inner and outer stainless frames 10 and 11, respectively. The upper opening groove 20 and the lower opening groove 21 are formed along the longitudinal direction, are formed of rubber material, and a plurality of elastic contact ribs formed on both sides of the cover member body portion 41 to protrude a predetermined length, respectively. (42) is provided at a predetermined interval to the lower side, and the upper sealing rib 43 is formed on both sides of the upper side of the cover member body portion 41 to protrude a predetermined length, respectively; a cover member 40; In the case where the cover member body 41 is inserted into the upper open groove 20 or the lower open groove 21, the cover member 40 is formed to further include, the inner surface of both sides of the open groove The end side of the plurality of elastic close contact ribs 42 are inserted in a force-fitting manner in a deformed and closely attached state to the upper side or lower side, and the inner and outer stainless frames in which the lower surface of the upper sealing rib 43 forms the open groove. It is closely attached to the upper or lower surfaces of (10, 11) to seal the opening of the opening groove.

The stainless insulated window frame according to the present invention improves the binding force between the inner and outer stainless frames and the insulating bar when forming windows and doors on the wall of a building, and thus has excellent durability and rigidity when the inner and outer frames and the insulating bar are combined. Can be configured, the cross-sectional structure of the insulation bar is simplified to make it easy to manufacture, and it can be inserted and coupled along the longitudinal direction of the inner and outer stainless frames, and also from the side through the openings of the inner and outer stainless frames. Insulation bar can be easily combined, so installation and construction are convenient,

In addition, by increasing the contact area between the glass surface constituting the window and the stainless frame, the glass can be firmly and stably supported, and the space between the inner and outer stainless frames can be easily finished with one cover member, so the configuration is simple, Installation construction is easy.

1 is a front view showing the overall configuration of a conventional stainless insulated window frame;
Figure 2 is an exploded perspective view showing a stainless insulated window frame according to the present invention;
3 is a cross-sectional view showing a stainless insulated window frame according to the present invention;
4 is a perspective view showing a cover member in a stainless insulated window frame according to the present invention;
5 is a cross-sectional view showing that in the stainless insulated window frame according to the present invention, the cover member is inserted between the inner and outer stainless frames; and
6 is an exploded perspective view showing an embodiment in which a cover member is used in configuring a lot bar in a stainless insulated window frame according to the present invention.

Hereinafter, embodiments of the present invention in which the above object can be realized in detail will be described with reference to the accompanying drawings. In describing the present embodiments, the same names and symbols are used for the same components, and additional descriptions accordingly are omitted below.

2 is an exploded perspective view showing a stainless insulated window frame 1 according to the present invention, Figure 3 is a cross-sectional view showing a stainless insulated window frame 1 according to the present invention, Figure 4 is a stainless insulated window frame according to the present invention In (1), it is a perspective view showing the cover member 40.

5 is a cross-sectional view showing that in the stainless insulated window frame 1 according to the present invention, the cover member 40 is inserted between the inner and outer stainless frames 10 and 11, and FIG. 6 is the present invention. In the stainless insulated window frame 1 according to, it is an exploded perspective view showing an embodiment in which the cover member 40 is used when configuring the lot bar.

As shown in FIG. 2, the stainless insulated window frame 1 according to the present invention includes inner and outer stainless frames 10 and 11 having a 'c' shape as a whole, and the inner and outer stainless frames ( 10, 11) is formed by including an insulating bar 30 provided between the inner and outer stainless frames 10 and 11 to connect them to each other.

As shown in FIGS. 2 and 3, the inner and outer stainless frames 10 and 11 are formed in the form of a long bar in which an inner empty space is formed, and one side of the cross section is open to the outside. The overall cross-sectional shape is formed in a 'c' shape, and the lower end 13 constituting the opening 14 is bent vertically toward the center of the upper opening 14 along the longitudinal direction, and the opening 14 The upper end portion 12 formed is first bent perpendicularly along the longitudinal direction toward the center of the lower opening 14 of which one side is open to the outside opposite to the lower end portion 13 bent vertically upward, At a position spaced a predetermined distance from the point 15 at which the first bend is vertically downward, the second is horizontally bent outward along the longitudinal direction again, and the second bent point 16 horizontally outward is spaced a predetermined distance from the second bent point 16. It is formed of a pair of stainless frames formed to be vertically bent three times downward again from the position, and provided on the inside and outside of the wall facing each other at a predetermined interval.

As shown in FIGS. 2 and 3, the insulation bar 30 has an insulation bar body 31 between the inner and outer stainless frames 10 and 11 facing each other at a predetermined interval in the longitudinal direction. Is provided along, and upper left and upper right end surfaces of the insulation bar body portion 31 are provided with upper side support pieces 32 so as to vertically protrude upward for a predetermined length along the longitudinal direction, respectively, and the insulation bar body portion Lower left and lower right end surfaces of 31 are respectively provided with lower side support pieces 33 so as to vertically protrude downward for a predetermined length along the longitudinal direction, and the lower side support pieces 33 provided on the left and right sides respectively A lower side fitting groove 34 of a predetermined depth is formed in contact with the upper inner surface of the, and upper fitting grooves of a predetermined depth are respectively spaced apart from the center of the insulation bar body 31 by a predetermined equal distance to the left and right. (35) is formed.

In addition, in the stainless insulated window frame 1 according to the present invention, the lower end surfaces 13 of the inner and outer stainless frames 10 and 11 are provided on the left and right sides of the insulating bar 30. The inner surfaces of the lower ends 13 of the inner and outer stainless frames 10 and 11 are respectively inserted into the fitting grooves 34 and the inner surfaces of the lower side support pieces 33 on the left and right sides of the insulating bar 30 The upper ends 12 of the inner and outer stainless frames 10 and 11 are respectively inserted into and coupled to the upper fitting grooves 35 provided on the left and right sides of the insulation bar 30, , The vertical inner surface from the first bending point 15 of the upper end 12 of the inner and outer stainless frames 10 and 11 to the second bending point 16 is the left and right sides of the insulation bar 30 is in close contact with the outer surface of the upper side support piece 32, respectively, from the second bending point 16 to the third bending point 17 of the upper ends 12 of the inner and outer stainless frames 10 and 11 The horizontal inner surface is in close contact with the upper surfaces of the left and right sides of the insulating bar body part 31, respectively.

In the case of a conventional stainless insulated window frame, the bending portion of the stainless frame where the inner empty space is formed is composed of primary or secondary, so the frame itself has a weak rigidity, and the end side of the frame bent multiple times is the empty space inside the frame. There was a problem in that it was formed as if rolled into a multi-fold bent frame and it was difficult to insert into the insulation bar 30 at the end side of the frame, and it was possible to insert and combine only in the longitudinal direction of the frame and to extend outward along the longitudinal direction of the frame. There was a problem in that field construction and maintenance were inconvenient because it was difficult to insert and combine into the open opening 14, and the contact area between the bent portion and the insulation bar 30 was small, so that the frame and the insulation bar 30 could be damaged even with a small external impact. There was a problem in that the contact area of the part was widened and noise was generated or the durability of the connection was weak.

In the case of the stainless insulated window frame 1 according to the present invention, the upper end side of the stainless frames 10 and 11 provided on the upper side of the frame coupled to the side surface of the window 100 to support the window 100 With respect to (12), three bending parts are formed to increase the rigidity of the frame itself, and the bending direction of the upper end part 12 through the first, second, and third orders is outward instead of the inner empty space. It can be bent and conveniently inserted into the upper fitting groove 35 of the insulation bar 30, so that the stainless frame 10, 11 and the insulation bar 30 can be easily inserted and coupled, and the frame 10, 11 ) In addition to being able to be combined in the longitudinal direction of the frames (10, 11), the insertion and coupling of the insulation bar (30) is also possible from the side of the opening (14) that is open to the outside long along the longitudinal direction of the frames (10, 11). And maintenance is convenient, and the contact area between the bent portion of the frames 10 and 11 and the insulation bar 30 is increased, so that the rigidity and connection durability of the insulation bar 30 as well as the frame can be increased, By increasing the combined contact area in the horizontal section between the bent portion of the glass window 100 supported by side coupling and the stainless frames 10 and 11, that is, between the second bending point 15 and the third bending point 17 The glass window 100 can be firmly supported.

Preferably, the upper end side 12 of the frames 10 and 11 is elastically rotated outward with the upper primary bending point 15 as the center of rotation and then returned to its original position through elastic force, or , The lower end 13 side is elastically rotated outward with the lower primary bending point 18 as the center of rotation and then returned to its original position through elastic force, so that the length of the frames 10 and 11 View the insulation bar 30 toward the side of the frames 10 and 11 through the opening 14 at the upper end side 12 or the opening 14 at the lower end 13 side, which is widened outward. Make it easy to insert and combine.

In addition, as shown in FIG. 3, a guide surface 36 is formed at a predetermined inclination on the inner surface of the central fitting groove among the inner surfaces of both sides of the upper fitting groove 35, and although not shown, the stainless frames 10 and 11 ) While inserting the side of the insulation bar 30 into the side of the opening 14 open outward long in the longitudinal direction of the first, the lower end 13 of the stainless frame 10, 11 is inserted into the lower side fitting groove 34. ) is inserted, so that the upper ends 12 of the stainless frames 10 and 11 can be easily inserted into the upper fitting grooves 35 along the guide surface 36, and the stainless frames 10, After the upper end 12 of 11) is inserted into the upper fitting groove 35, the inner surface of the upper end 12 is in close contact with the inner surface of the outer fitting groove among the inner surfaces of both sides of the upper fitting groove 35. , Through the combination of the inner and outer frames 10 and 11 and the insulation bar 30, the bonding strength, durability and rigidity of the insulation bar 30 can be improved.

Preferably, as shown in FIGS. 4 and 5, the upper and lower portions of the insulating bar 30 interposed between the inner and outer stainless frames 10 and 11 have the inner and outer stainless frames 10, respectively. , 11) are provided on the left and right sides, and the upper open groove 20 and the lower open groove 21 are formed along the longitudinal direction, and the upper open groove 20 or the lower open groove 20 is formed through the cover member 40 The groove 21 is sealed. The cover member 40 may be formed of a rubber material having elasticity in itself, and a plurality of elastic contact ribs 42 protruding with a predetermined length on both sides of the cover member body 41, respectively, to the cover member body. It is provided at a predetermined interval along the lower side of the cover member body portion 41, and upper sealing ribs 43 are formed along the longitudinal direction so as to protrude a predetermined length on both sides of the upper surface of the cover member body portion 41, respectively, and the cover member body When the cover member body 41 is inserted into the upper open groove 20 or the lower open groove 21, the plurality of elastic contact ribs 42 are provided on both inner surfaces of the open groove. The upper surfaces of the inner and outer stainless frames 10 and 11 in which the end side is bent upwards or downwards and inserted into a force-fitting state in a deformed and closely adhered state, and the lower surface of the upper sealing rib 43 forms the open groove Alternatively, it is in close contact with the lower surface to seal the opening groove.

In the case of a lot bar installed horizontally right above the door of the window frame, as shown in FIG. 6, a lot and a fixing bracket for rotationally supporting and coupling the door are installed on the lot bar window frame. To this end, the lot bar In the case of, unlike other window frames, the groove depth of the lower open groove 21 of the inner and outer frames 10 and 11 is formed deeper than the upper open groove 20 to a predetermined depth, and conventionally lot and fix Regarding the lower open groove 21, in which the bracket is not installed, the depth of the groove is deep, and the insulation bar body 31 and the cover portion are connected and coupled through a separate intermediate connector, so the connection structure is complicated. Alternatively, a connection hook protruding long to the upper side of the cover part is provided to directly connect and couple the insulation bar body part 31 and the cover part, but in this case, the bonding force between the insulation bar body part 31 and the cover part There was a problem that the cover part is separated from the lot bar even with a small external impact.

Therefore, in the stainless insulated window frame 1 according to the present invention, as shown in FIG. 6, the lower open groove 21 is more firmly installed through the plurality of elastic close ribs of the cover member 40 without an additional intermediate connector. It is closely coupled to the inner surface of both sides to prevent separation and separation of the cover member 40 due to external impact even with a simple configuration, and even when the width of the lower open groove 21 fluctuates to a predetermined width, the elastic If it is within the range of the protruding length of the close contact rib, the elastic close contact rib can be elastically closely coupled to both inner surfaces of the lower open groove 21, and the lower open groove formed in various widths with the cover member 40 of a single size. (21), so production and installation costs can be reduced.

As described above, the stainless insulated window frame 1 according to the present invention improves the binding force between the inner and outer stainless frames 10 and 11 and the insulating bar 30 when forming windows on the wall of a building, so that the inner and outer frames When the (10, 11) and the insulation bar 30 are combined, a window frame with excellent durability and rigidity can be configured, and the cross-sectional structure of the insulation bar 30 is simplified to make it easy to manufacture, and the inner and outer stainless frames ( 10 and 11) can be inserted and coupled along the longitudinal direction, and the insulation bar 30 can be easily coupled from the side through the openings 14 of the inner and outer stainless frames 10 and 11, so installation construction is convenient,

In addition, by increasing the contact area between the glass window 100 constituting the window and the stainless frames 10 and 11, the glass can be firmly and stably supported, and the space between the inner and outer stainless frames 10 and 11 can be easily removed. It can be finished with one cover member 40, so the configuration is simple, and installation and construction are simple.

Although several embodiments have been illustratively described above, the fact that the present invention can be embodied in many different forms without departing from its spirit and scope is apparent to those skilled in the art.

Accordingly, the above-described embodiments are to be regarded as illustrative rather than restrictive, and all embodiments coming within the scope of the appended claims and their equivalents are included within the scope of this invention.

1: Stainless insulated window frame
10: inner stainless frame 11: outer stainless frame
12: stainless frame upper end 13: stainless frame lower end
14: side opening 15: upper end first bending point
16: 2nd bending point of the upper end 17: 3rd bending point of the upper end
18: 1st bending point of the lower end
20: upper open groove 21: lower open groove
30: insulation bar 31: insulation bar body
32: upper side support piece 33: lower side support piece
34: lower side fitting groove 35: upper fitting groove
36: guide surface
40: cover member 41: cover member body
42: elastic close rib 43: upper sealing rib
44: elastic deformation space
100: glass window 110: silicon
120: lot 130: fixing bracket

Claims (3)

In the form of an inner empty space portion formed, one side of the cross section is open to the outside, the lower end 13 is vertically bent upward with one side open to the outside along the longitudinal direction, and the upper end 12 is upward. First bent vertically along the longitudinal direction to the lower side with one side open to the outside opposite to the vertically bent lower end 13, and spaced a predetermined distance from the first bent point 15 to the lower side A pair of stainless steel formed to be bent horizontally secondly outward along the longitudinal direction from the position again, and thirdly bent vertically downward again at a position spaced apart from the point 16 horizontally bent secondly outward at a predetermined distance. Internal and external stainless frames (10, 11) provided on the inside and outside of the wall so that the frames face each other at predetermined intervals; and,
An insulation bar body portion 31 is provided along the longitudinal direction between the inner and outer stainless frames 10 and 11 facing each other at a predetermined interval, and the upper left and upper right sides of the insulation bar body portion 31 Upper side support pieces 32 are provided on the end surfaces so as to vertically protrude upward for a predetermined length along the longitudinal direction, and the lower left and lower right end surfaces of the insulation bar body 31 are provided with predetermined downwards along the longitudinal direction. Each lower side support piece 33 is provided so that the length protrudes vertically, and a lower side fitting groove 34 having a predetermined depth is formed in contact with the upper inner surface of the lower side support piece 33 provided on the left and right sides, respectively. Insulation bars 30 having upper fitting grooves 35 having a predetermined depth are formed at positions spaced apart from the center of the insulation bar body 31 by a predetermined equal distance to the left and right sides; formed, including

The lower ends 13 of the inner and outer stainless frames 10 and 11 are inserted into and coupled to the lower side fitting grooves 34 provided on the left and right sides of the insulation bar 30, respectively, and the inner and outer stainless frames The inner surfaces of the lower ends 13 of (10, 11) are in close contact with the outer surfaces of the left and right lower side support pieces 33 of the insulating bar 30, respectively, and the inner and outer stainless frames 10, The upper ends 12 of 11) are inserted into the upper fitting grooves 35 provided on the left and right sides of the insulation bar 30, respectively, and the upper ends of the inner and outer stainless frames 10 and 11 ( 12), the vertical inner surfaces from the first bending point 15 to the second bending point 16 are in close contact with the outer surfaces of the left and right upper side support pieces 32 of the insulating bar 30, respectively, The horizontal inner surfaces from the second bending point 16 of the upper end 12 of the inner and outer stainless frames 10 and 11 to the third bending point 17 are the left and right sides of the insulating bar body portion 31 Stainless insulated window frame (1), characterized in that in close contact with the upper side of the.
According to claim 1,
A guide surface 36 is formed with a predetermined slope on the inner surface of the central fitting groove among both inner surfaces of the upper fitting groove 35, and the inner surface of the outer fitting groove among the inner surfaces of both sides of the upper fitting groove 35 is the upper fitting groove ( 35) stainless insulated window frame (1), characterized in that in close contact with the inner surface of the upper end (12) of the inner and outer stainless frames (10, 11) inserted into and coupled.
According to claim 2,
In the upper and lower portions of the insulating bar 30 interposed between the inner and outer stainless frames 10 and 11, the inner and outer stainless frames 10 and 11 are provided on the left and right sides, respectively, to form upper open grooves. (20) and the lower open groove 21 are formed along the longitudinal direction,

A plurality of elastic contact ribs 42 formed of a rubber material and formed to protrude a predetermined length from both sides of the cover member body portion 41 are provided at a predetermined interval downward, respectively, and are provided on the cover member body portion 41. A cover member 40 having an upper sealing rib 43 protruding a predetermined length on both sides of the side surface; It is formed by further including

The cover member 40,
When the cover member body 41 is inserted into the upper open groove 20 or the lower open groove 21, the end side of the plurality of elastic contact ribs 42 on both inner surfaces of the open groove is the upper or lower side. It is inserted in a force-fitting manner in a state of deformation and close contact to the lower side, and the lower surface of the upper sealing rib 43 is in close contact with the upper or lower surfaces of the inner and outer stainless frames 10 and 11 forming the open groove. Stainless insulated window frame (1), characterized in that for sealing the opening of the opening groove.

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