Novel broken bridge steel casement window

Abstract

The utility model discloses a novel broken bridge steel casement window which comprises a window sash, a window frame and a fixed window, the fixed window is connected with a wall body, the window frame is connected with the fixed window, and the window sash is connected with the window frame through a hinge. The window frame is composed of a side window frame, a top window frame and a bottom window frame, and each window frame is formed by connecting different steel profiles through heat insulation connecting strips. The fixed window comprises a fixed window frame and heat insulation glass which are connected to the upper portion and the lower portion of the window frame respectively. The window sash is composed of the first window sash and the second window sash, the frame is arranged between the first window sash and the second window sash, and the window frame and the window sash frame are connected and sealed through the heat insulation connecting strips and the sealing strips, so that the heat insulation performance of the window is improved. In addition, the heat insulation glass adopts the silver-plated nano-particle coating, the warm edge strip and the sealant, so that the heat insulation effect is further enhanced. The casement window effectively solves the problem that a traditional casement window of an all-metal structure is poor in heat insulation performance through an elaborately-designed heat insulation structure, and is suitable for buildings needing large-area glass windows.

Description

Technical Field

[0001] The utility model relates to the field of doors and windows, in particular to a novel thermally-broken steel casement window. Background Art

[0002] In order to achieve the anti-theft function, the casement windows on the market usually adopt an all-metal structure. However, the anti-theft door of this structure has deficiencies in heat insulation performance, especially when the casement window is designed as a large-area glass window, the heat insulation effect is even worse. This not only affects the anti-theft performance of the window, but also has a negative impact on the indoor temperature in winter and summer, increasing energy consumption. Therefore, it is an urgent need to develop a casement window that can effectively insulate and have anti-theft functions. Utility Model Content

[0003] The utility model discloses a novel thermally insulated steel casement window, comprising a window sash, a window frame and a fixed window, wherein the fixed window is connected to a wall, the window frame is connected to the fixed window, and the window sash is connected to the window frame through a hinge. The window frame is composed of a side window frame, a top window frame and a bottom window frame, and each window frame is formed by connecting different steel profiles through a heat-insulating connecting strip. The fixed window comprises a fixed window frame and heat-insulating glass, and is respectively connected to the upper and lower parts of the window frame. The window sash is composed of a first window sash and a second window sash, and a lap frame is provided between the first window sash and the second window sash, and all window frames and window sash frames are connected and sealed through a heat-insulating connecting strip and a sealing strip, thereby improving the heat-insulating performance of the window. In addition, the heat-insulating glass adopts a silver-plated nano-particle coating, a warm edge strip and a sealant to further enhance the heat-insulating effect. The utility model effectively solves the problem of poor heat-insulating performance of traditional all-metal casement windows through a carefully designed heat-insulating structure, and is suitable for buildings requiring large-area glass windows.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A new type of thermal break steel casement window, comprising: a window sash, a window frame, a fixed window, the fixed window is connected to the wall, the window frame is connected to the fixed window, the window sash is connected to the window frame through a hinge,

[0006] The characteristics are as follows: the window frame is composed of side window frame, top window frame and bottom window frame.

[0007] The side window frame is composed of a steel profile 1 connected to a steel profile 2 via a heat-insulating connecting strip;

[0008] The top window frame is composed of a steel profile 1 connected to a steel profile 6 through a heat-insulating connecting strip, and the bottom window frame has the same structure as the top window frame;

[0009] The fixed window located above the window frame comprises: a fixed window frame, a heat-insulating glass, and a top window frame, wherein the fixed window frame is connected to the top window frame, and the fixed window frame is composed of a steel profile 7 connected to a steel profile 8 through a heat-insulating connecting strip;

[0010] The fixed window located below the window frame comprises: a fixed window frame, a heat-insulating glass, and a bottom window frame, wherein the fixed window frame is connected to the bottom window frame;

[0011] The window sash is composed of a first window sash and a second window sash, the second window sash is composed of a window sash frame and a heat-insulating glass, and the window sash frame is composed of a steel profile 3 connected to a steel profile 4 through a heat-insulating connecting strip;

[0012] The first window sash is composed of a window sash frame, heat-insulating glass and a frame. The edges adjacent to the first window sash and the second window sash are provided with a frame connected to the window sash frames at the upper and lower ends of the first window sash.

[0013] It is further configured that steel profile one is provided with: a connecting strip groove one, a structural reinforcement rib one; steel profile two is provided with: a connecting strip groove two, a structural reinforcement rib two, and a sealing strip installation protrusion two; one end of the thermal insulation connecting strip is connected to the connecting strip groove one, and the other end of the thermal insulation connecting strip is connected to the connecting strip groove two; the first sealing strip arranged at the second sealing strip installation protrusion can be tightly sealed with steel profile four.

[0014] It is further configured that the heat-insulating glass, the warm edge strip, the sealant, the first glass and the second glass are provided with a silver-plated nano-particle coating on the surface of the first glass and the second glass, the warm edge strip is provided between the first glass and the second glass, and the sealant is provided on the outside of the warm edge strip to seal the first glass and the second glass; a glass overhead strip is provided in the large space between the first glass and the second glass, an outer decorative strip capable of covering the glass overhead strip is provided on the outer side of the first glass provided with the glass overhead strip, and an inner decorative strip capable of covering the glass overhead strip is provided on the inner side of the second glass provided with the glass overhead strip.

[0015] It is further configured that steel profile three is provided with: three connecting strip grooves, three structural reinforcement ribs, and three sealing strip installation protrusions. The first sealing strips arranged at the three sealing strip installation protrusions can be tightly sealed with steel profile one. Steel profile one and the thermal insulation connecting strip are jointly clamped with the edge pressing profile, and the edge pressing profile is tightly sealed with the first glass through the second sealing strip. Steel profile four is provided with: four connecting strip grooves, four structural reinforcement ribs, and four sealing strip installation protrusions. The third sealing strips arranged at the four sealing strip installation protrusions can be tightly sealed with the second glass. The connecting strip groove three is connected to one end of the thermal insulation connecting strip, and the connecting strip groove four is connected to the other end of the thermal insulation connecting strip.

[0016] It is further arranged that the frame is composed of a steel profile five connected to a steel profile one through a heat-insulating connecting strip, and the steel profile five is provided with: a connecting strip slot five, a structural reinforcement rib five, a sealing strip installation protrusion five, and a sealing strip installation protrusion six. The connecting strip slot five is connected to one end of the heat-insulating connecting strip, and the other end of the heat-insulating connecting strip is connected to the connecting strip slot one of the steel profile one. The steel profile one and the heat-insulating connecting strip are jointly clamped with the edge pressing profile, and the edge pressing profile is tightly sealed with the first glass through the second sealing strip; the third sealing strip arranged at the sealing strip installation protrusion six can be tightly sealed with the second glass; the first sealing strip arranged at the sealing strip installation protrusion five can be tightly sealed with the steel profile four of the second window sash.

[0017] It is further configured that steel profile six is ​​provided with: connecting strip groove six, structural reinforcement rib six, sealing strip installation protrusion seven, and sealing strip installation protrusion eight. The connecting strip groove six is ​​connected to one end of the thermal insulation connecting strip, and the other end of the thermal insulation connecting strip is connected to the connecting strip groove one of steel profile one. The steel profile one and the thermal insulation connecting strip are jointly clamped with the edge pressing profile, and the edge pressing profile is tightly sealed with the first glass through the second sealing strip; the third sealing strip arranged at the sealing strip installation protrusion eight can be tightly sealed with the second glass; the first sealing strip arranged at the sealing strip installation protrusion seven is tightly sealed with the steel profile four.

[0018] It is further provided that the steel profile 7 is provided with: a connection strip notch 7, a structural reinforcement rib 7, and a wall fixing protrusion 1, the connection strip notch 7 is connected to one end of the heat insulation connection strip, the other end of the heat insulation connection strip is connected to the connection strip notch 8 of the steel profile 8, the heat insulation connection strip and the steel profile 7 are jointly clamped with the edge pressing profile, and the edge pressing profile is tightly sealed with the first glass through the second sealing strip;

[0019] The steel profile eight is provided with: structural reinforcement rib eight, wall fixing protrusion two, sealing strip installation protrusion nine, the third sealing strip arranged at the sealing strip installation protrusion nine can be tightly sealed with the second glass; the wall fixing protrusion one and the wall fixing protrusion two are embedded in the wall and fixedly connected.

[0020] It is further configured that a glass pad is provided on the upper end surface of the heat-insulating connecting strip in the top window frame; a glass pad is provided on the upper end surface of the heat-insulating connecting strip in the window frame below the window sash; and a glass pad is provided on the upper end surface of the heat-insulating connecting strip in the bottom window frame.

[0021] It is further configured that the window sash is connected to the bottom window frame and the window sash frame at the lower end of the window sash through a window opening angle adjustment connecting rod to achieve angle adjustment between the window sash and the window sash frame, and the locking between the first window sash and the second window sash is achieved by connecting the frame of the first window sash and the window sash frame of the second window sash adjacent to the first window sash through a window locking member.

[0022] The utility model comprises a window frame consisting of a side window frame, a top window frame and a bottom window frame, and each window frame is formed by connecting different steel profiles through a heat-insulating connecting strip. The fixed window comprises a fixed window frame and heat-insulating glass, which are respectively connected to the upper and lower parts of the window frame. The window sash consists of a first window sash and a second window sash, and a lap frame is provided between the first window sash and the second window sash. All window frames and window sash frames are connected and sealed by heat-insulating connecting strips and sealing strips, thereby improving the heat-insulating performance of the window. In addition, the heat-insulating glass adopts a silver-plated nano-particle coating, a warm edge strip and a sealant to further enhance the heat-insulating effect. The utility model effectively solves the problem of poor heat-insulating performance of traditional all-metal casement windows through a carefully designed heat-insulating structure, and is suitable for buildings that require large-area glass windows. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is the front view of the utility model;

[0024] Figure 2 for Figure 1 The cross-sectional view with the A cutting line as the reference;

[0025] Figure 3 for Figure 1 The cross-sectional view with the B cutting line as the reference;

[0026] Figure 4 for Figure 1 The cross-sectional view based on the C cutting line;

[0027] Figure 5 It is a cross-sectional view of the side window frame of the utility model;

[0028] Figure 6 It is a cross-sectional exploded view of the side window frame of the utility model;

[0029] Figure 7 It is a cross-sectional view of the window sash frame of the utility model;

[0030] Figure 8 It is a cross-sectional exploded view of the window sash frame of the utility model;

[0031] Fig. 9 It is a cross-sectional view of the glass overhead strip and decorative strip of the utility model;

[0032] Fig.10 It is a cross-sectional view of the frame of the first window sash of the utility model;

[0033] Fig.11 It is a cross-sectional exploded view of the frame of the first window sash of the utility model;

[0034] Fig.12 It is a cross-sectional view of the top window frame of the utility model;

[0035] Fig.13It is a cross-sectional exploded view of the top window frame of the utility model;

[0036] Fig.14 It is a cross-sectional view of a fixed window frame of a fixed window of the utility model;

[0037] Fig.15 It is a cross-sectional exploded view of a fixed window frame of the fixed window of the utility model;

[0038] In the figure: window sash, first window sash 11, second window sash 12, edge pressing profile 13,

[0039] Side window frame 2, steel profile 1 21, connecting strip notch 1 22, structural reinforcement rib 1 23, steel profile 2 24, connecting strip notch 2 25, structural reinforcement rib 2 26, sealing strip installation protrusion 2 27, window sash frame 3, steel profile 3 31, connecting strip notch 3 32, structural reinforcement rib 3 33, sealing strip installation protrusion 3 34, steel profile 4 35, connecting strip notch 4 36, structural reinforcement rib 4 37, sealing strip installation protrusion 4 38,

[0040] Frame 4, steel profile 5 41, connection strip notch 5 42, structural reinforcement rib 5 43, sealing strip installation protrusion 5 44, sealing strip installation protrusion 6 45,

[0041] Top window frame 5, steel profile 6 51, connecting strip notch 6 52, structural reinforcement rib 6 53, sealing strip installation protrusion 7 54, sealing strip installation protrusion 8 55, bottom window frame 56,

[0042] Fixed window 6, fixed window frame 61,

[0043] Steel profile seven 62, connection strip notch seven 63, structural reinforcement rib seven 64, wall fixing protrusion one 65, steel profile eight 66, connection strip notch eight 67, structural reinforcement rib eight 68, wall fixing protrusion two 69, sealing strip installation protrusion nine 601,

[0044] Insulating connecting strip 71, first sealing strip 72, second sealing strip 73, third sealing strip 74, insulating glass 8, warm edge strip 81, sealant 82, first glass 83, second glass 84, glass overhead strip 85, outer decorative strip 86, inner decorative strip 87, glass spacer 88, hinge 91, window angle adjustment rod 92, window locking member 93. DETAILED DESCRIPTION

[0045] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0046] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0047] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0048] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0049] According to the contents of the claims and the description, the specific implementation is as follows:

[0050] like Figures 1 to 15 As shown, the utility model provides a new type of thermally insulated steel casement window, including: a window sash, a window frame and a fixed window, wherein the fixed window 6 is connected to the wall, the window frame is connected to the fixed window 6, and the window sash is connected to the window frame through a hinge 91. The window frame is composed of a side window frame 2, a top window frame 5 and a bottom window frame 56, the side window frame 2 is composed of a steel profile 1 21 connected to a steel profile 2 24 through a heat-insulating connecting strip 71; the top window frame 5 is composed of a steel profile 1 21 connected to a steel profile 6 51 through a heat-insulating connecting strip 71, and the bottom window frame 56 has the same structure as the top window frame 5.

[0051] The fixed window 6 located above the window frame includes: a fixed window frame 61, insulating glass 8, and a top window frame 5. The fixed window frame 61 is connected to the top window frame 5. The fixed window frame 61 is composed of a steel profile seven 62 connected to a steel profile eight 66 through an insulating connecting strip 71; the fixed window 6 located below the window frame includes: a fixed window frame 61, insulating glass 8, and a bottom window frame 56. The fixed window frame 61 is connected to the bottom window frame 56.

[0052] The window sash is composed of a first window sash 11 and a second window sash 12. The second window sash 12 is composed of a window sash frame 3 and an insulating glass 8. The window sash frame 3 is composed of a steel profile 31 connected to a steel profile 4 35 via an insulating connecting strip 71. The first window sash 11 is composed of a window sash frame 3, insulating glass 8 and a lap frame 4. The adjacent sides of the first window sash 11 and the second window sash 12 are provided with a lap frame 4 connected to the window sash frame 3 at the upper and lower ends of the first window sash 11.

[0053] The steel profile 1 21 is provided with: a connecting strip slot 1 22 and a structural reinforcement rib 1 23; the steel profile 2 24 is provided with: a connecting strip slot 25, a structural reinforcement rib 26, and a sealing strip installation protrusion 27. One end of the thermal insulation connecting strip 71 is connected to the connecting strip slot 1 22, and the other end of the thermal insulation connecting strip 71 is connected to the connecting strip slot 25. The first sealing strip 72 provided at the sealing strip installation protrusion 27 can be tightly sealed with the steel profile 4 35.

[0054] The insulating glass 8 includes a warm edge strip 81, a sealant 82, a first glass 83 and a second glass 84. The surfaces of the first glass 83 and the second glass 84 are provided with a silver-plated nanoparticle coating. The warm edge strip 81 is provided between the first glass 83 and the second glass 84. The sealant 82 is provided on the outside of the warm edge strip 81 to seal the first glass 83 and the second glass 84. A glass overhead strip 85 is provided in the large space between the first glass 83 and the second glass 84. An outer decorative strip 86 capable of covering the glass overhead strip 85 is provided on the outer side of the first glass 83 provided with the glass overhead strip 85, and an inner decorative strip 87 capable of covering the glass overhead strip 85 is provided on the inner side of the second glass 84 provided with the glass overhead strip 85.

[0055] The steel profile three 31 is provided with: a connecting strip groove three 32, a structural reinforcement rib three 33, and a sealing strip installation protrusion three 34. The first sealing strip 72 arranged at the sealing strip installation protrusion three 34 can be tightly sealed with the steel profile one 21. The steel profile one 21 and the thermal insulation connecting strip 71 are jointly clamped with the edge pressing profile 13, and the edge pressing profile 13 is tightly sealed with the first glass 83 through the second sealing strip 73; the steel profile four 35 is provided with: a connecting strip groove four 36, a structural reinforcement rib four 37, and a sealing strip installation protrusion four 38. The third sealing strip 74 arranged at the sealing strip installation protrusion four 38 can be tightly sealed with the second glass 84; the connecting strip groove three 32 is connected to one end of the thermal insulation connecting strip 71, and the connecting strip groove four 36 is connected to the other end of the thermal insulation connecting strip 71.

[0056] The frame 4 is composed of a steel profile 5 41 connected to a steel profile 1 21 through a heat-insulating connecting strip 71. The steel profile 5 41 is provided with: a connecting strip slot 5 42, a structural reinforcement rib 5 43, a sealing strip mounting protrusion 5 44, and a sealing strip mounting protrusion 6 45. The connecting strip slot 5 42 is connected to one end of the heat-insulating connecting strip 71, and the other end of the heat-insulating connecting strip 71 is connected to the connecting strip slot 1 22 of the steel profile 1 21. The steel profile 1 21 and the heat-insulating connecting strip 71 are jointly clamped with the edge pressing profile 13, and the edge pressing profile 13 is tightly sealed with the first glass 83 through the second sealing strip 73; the third sealing strip 74 arranged at the sealing strip mounting protrusion 6 45 can be tightly sealed with the second glass 84; the first sealing strip 72 arranged at the sealing strip mounting protrusion 5 44 can be tightly sealed with the steel profile 4 35 of the second window sash 12.

[0057] The steel profile six 51 is provided with: a connecting strip slot six 52, a structural reinforcement rib six 53, a sealing strip mounting protrusion seven 54, and a sealing strip mounting protrusion eight 55. The connecting strip slot six 52 is connected to one end of a heat insulating connecting strip 71, and the other end of the heat insulating connecting strip 71 is connected to a connecting strip slot one 22 of the steel profile one 21. The steel profile one 21 and the heat insulating connecting strip 71 are jointly clamped with the edge pressing profile 13, and the edge pressing profile 13 is tightly sealed with the first glass 83 through the second sealing strip 73; the third sealing strip 74 arranged at the sealing strip mounting protrusion eight 55 can be tightly sealed with the second glass 84; the first sealing strip 72 arranged at the sealing strip mounting protrusion seven 54 is tightly sealed with the steel profile four 35.

[0058] The steel profile seven 62 is provided with: a connecting strip slot seven 63, a structural reinforcement rib seven 64, and a wall fixing protrusion one 65. The connecting strip slot seven 63 is connected to one end of a heat insulating connecting strip 71, and the other end of the heat insulating connecting strip 71 is connected to a connecting strip slot eight 67 of a steel profile eight 66. The heat insulating connecting strip 71 and the steel profile seven 62 are jointly clamped with the edge pressing profile 13, and the edge pressing profile 13 is tightly sealed with the first glass 83 through the second sealing strip 73; the steel profile eight 66 is provided with: a structural reinforcement rib eight 68, a wall fixing protrusion two 69, and a sealing strip installation protrusion nine 601. The third sealing strip 74 arranged at the sealing strip installation protrusion nine 601 can be tightly sealed with the second glass 84; the wall fixing protrusion one 65 and the wall fixing protrusion two 69 are embedded in the wall and fixedly connected.

[0059] A glass pad 88 is provided on the upper end surface of the insulating connecting strip 71 in the top window frame 5; a glass pad 88 is provided on the upper end surface of the insulating connecting strip 71 in the window frame 3 below the window sash; and a glass pad 88 is provided on the upper end surface of the insulating connecting strip 71 in the bottom window frame 56.

[0060] The window sash is connected to the bottom window frame 56 and the window sash frame 3 at the lower end of the window sash through a window opening angle adjustment connecting rod 92 to achieve angle adjustment between the window sash and the window sash frame 3. The locking between the first window sash 11 and the second window sash 12 is achieved by connecting the frame 4 of the first window sash 11 and the window sash frame 3 adjacent to the second window sash 12 and the first window sash 11 through a window locking member 93.

[0061] The utility model comprises a side window frame 2, a top window frame 5 and a bottom window frame 56, each of which is made of different steel profiles connected by a heat-insulating connecting strip 71. The fixed window 6 comprises a fixed window frame 61 and a heat-insulating glass 8, which are respectively connected to the upper and lower parts of the window frame. The window sash comprises a first window sash 11 and a second window sash 12, and a lap frame 4 is provided between the first window sash 11 and the second window sash 12. All window frames and window sash frames are connected and sealed by a heat-insulating connecting strip 71 and a sealing strip, so as to improve the heat-insulating performance of the window. In addition, the heat-insulating glass 8 adopts a silver-plated nano-particle coating, a warm edge strip 81 and a sealant 82 to further enhance the heat-insulating effect. The utility model effectively solves the problem of poor heat-insulating performance of traditional all-metal casement windows through a carefully designed heat-insulating structure, and is suitable for buildings requiring large-area glass windows.

[0062] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A new type of thermally-broken steel casement window, comprising: A window sash, a window frame, and a fixed window (6), wherein the fixed window (6) is connected to a wall, the window frame is connected to the fixed window (6), and the window sash and the window frame are connected via a hinge (91). The invention is characterized in that the window frame is composed of a side window frame (2), a top window frame (5) and a bottom window frame (56). The side window frame (2) is composed of a steel profile 1 (21) connected to a steel profile 2 (24) via a heat-insulating connecting strip (71); The top window frame (5) is composed of a steel profile one (21) connected to a steel profile six (51) via a heat-insulating connecting strip (71), and the bottom window frame (56) has the same structure as the top window frame (5); The fixed window (6) located above the window frame comprises: a fixed window frame (61), a heat-insulating glass (8), and a top window frame (5); the fixed window frame (61) is connected to the top window frame (5); the fixed window frame (61) is composed of a steel profile seven (62) connected to a steel profile eight (66) via a heat-insulating connecting strip (71); The fixed window (6) located below the window frame comprises: a fixed window frame (61), a heat-insulating glass (8), and a bottom window frame (56), wherein the fixed window frame (61) is connected to the bottom window frame (56); The window sash is composed of a first window sash (11) and a second window sash (12); the second window sash (12) is composed of a window sash frame (3) and a heat-insulating glass (8); the window sash frame (3) is composed of a steel profile three (31) connected to a steel profile four (35) via a heat-insulating connecting strip (71); The first window sash (11) is composed of a window sash frame (3), a heat-insulating glass (8), and a frame (4). A frame (4) is provided on the side adjacent to the first window sash (11) and the second window sash (12) and connected to the window sash frame (3) at the upper and lower ends of the first window sash (11).

2. The novel thermally-broken steel casement window according to claim 1 is characterized in that: The steel profile one (21) is provided with: a connecting strip notch one (22) and a structural reinforcement rib one (23); the steel profile two (24) is provided with: a connecting strip notch two (25), a structural reinforcement rib two (26), and a sealing strip installation protrusion two (27); one end of the heat insulating connecting strip (71) is connected to the connecting strip notch one (22), and the other end of the heat insulating connecting strip (71) is connected to the connecting strip notch two (25); the first sealing strip (72) provided at the sealing strip installation protrusion two (27) can be tightly pressed and sealed with the steel profile four (35).

3. The novel thermally-broken steel casement window according to claim 2 is characterized in that: Insulating glass (8), a warm edge strip (81), a sealant (82), a first glass (83), and a second glass (84); the surfaces of the first glass (83) and the second glass (84) are provided with a silver-plated nanoparticle coating; the warm edge strip (81) is provided between the first glass (83) and the second glass (84); the sealant (82) is provided on the outside of the warm edge strip (81) to seal the first glass (83) and the second glass (84); a glass overhead strip (85) is provided in the large area space between the first glass (83) and the second glass (84); an outer decorative strip (86) capable of covering the glass overhead strip (85) is provided on the outer side of the first glass (83) provided with the glass overhead strip (85); and an inner decorative strip (87) capable of covering the glass overhead strip (85) is provided on the inner side of the second glass (84) provided with the glass overhead strip (85).

4. The novel thermally-broken steel casement window according to claim 3 is characterized in that: The steel profile three (31) is provided with: a connection strip notch three (32), a structural reinforcement rib three (33), and a sealing strip installation protrusion three (34); a first sealing strip (72) provided at the sealing strip installation protrusion three (34) can be tightly sealed with the steel profile one (21); the steel profile one (21) and the heat-insulating connection strip (71) are jointly clamped with the edge pressing profile (13); the edge pressing profile (13) is tightly sealed with the first glass (83) through the second sealing strip (73); the steel profile four (35) is provided with: a connection strip notch four (36), a structural reinforcement rib four (37), and a sealing strip installation protrusion four (38); a third sealing strip (74) provided at the sealing strip installation protrusion four (38) can be tightly sealed with the second glass (84); the connection strip notch three (32) is connected to one end of the heat-insulating connection strip (71), and the connection strip notch four (36) is connected to the other end of the heat-insulating connection strip (71).

5. The novel thermally-broken steel casement window according to claim 4 is characterized in that: The frame (4) is composed of a steel profile five (41) connected to a steel profile one (21) via a heat-insulating connecting strip (71); the steel profile five (41) is provided with: a connecting strip notch five (42), a structural reinforcing rib five (43), a sealing strip installation protrusion five (44), and a sealing strip installation protrusion six (45); the connecting strip notch five (42) is connected to one end of the heat-insulating connecting strip (71), and the other end of the heat-insulating connecting strip (71) is connected to the connecting strip notch one (22) of the steel profile one (21). The steel profile one (21) and the heat-insulating connecting strip (71) are jointly clamped with the edge pressing profile (13), and the edge pressing profile (13) is tightly sealed with the first glass (83) through the second sealing strip (73); the third sealing strip (74) provided at the sealing strip installation protrusion six (45) can be tightly sealed with the second glass (84); the first sealing strip (72) provided at the sealing strip installation protrusion five (44) can be tightly sealed with the steel profile four (35) of the second window sash (12).

6. The novel thermally-broken steel casement window according to claim 5 is characterized in that: The steel profile six (51) is provided with: a connection strip groove six (52), a structural reinforcement rib six (53), a sealing strip installation protrusion seven (54), and a sealing strip installation protrusion eight (55); the connection strip groove six (52) is connected to one end of a heat insulating connection strip (71); the other end of the heat insulating connection strip (71) is connected to a connection strip groove one (22) of the steel profile one (21); the steel profile one (21) and the heat insulating connection strip (71) are jointly clamped with a pressure edge profile (13); the pressure edge profile (13) is tightly sealed with the first glass (83) through the second sealing strip (73); the third sealing strip (74) provided at the sealing strip installation protrusion eight (55) can be tightly sealed with the second glass (84); the first sealing strip (72) provided at the sealing strip installation protrusion seven (54) is tightly sealed with the steel profile four (35).

7. The novel thermally-broken steel casement window according to claim 6 is characterized in that: The steel profile seven (62) is provided with: a connection strip notch seven (63), a structural reinforcement rib seven (64), and a wall fixing protrusion one (65); the connection strip notch seven (63) is connected to one end of a heat insulating connection strip (71); the other end of the heat insulating connection strip (71) is connected to a connection strip notch eight (67) of the steel profile eight (66); the heat insulating connection strip (71) and the steel profile seven (62) are jointly clamped with the edge pressing profile (13); the edge pressing profile (13) is tightly sealed with the first glass (83) through a second sealing strip (73); The steel profile eight (66) is provided with: a structural reinforcement rib eight (68), a wall fixing protrusion two (69), and a sealing strip installation protrusion nine (601); a third sealing strip (74) provided at the sealing strip installation protrusion nine (601) can be tightly pressed and sealed with the second glass (84); the wall fixing protrusion one (65) and the wall fixing protrusion two (69) are embedded in the wall and fixedly connected.

8. The novel thermally-broken steel casement window according to claim 7 is characterized in that: A glass pad (88) is provided on the upper end surface of the heat-insulating connecting strip (71) in the top window frame (5); a glass pad (88) is provided on the upper end surface of the heat-insulating connecting strip (71) in the window frame (3) below the window sash; and a glass pad (88) is provided on the upper end surface of the heat-insulating connecting strip (71) in the bottom window frame (56).

9. The novel thermally-broken steel casement window according to claim 8 is characterized in that: The window sash is connected to the bottom window frame (56) and the window sash frame (3) at the lower end of the window sash via a window opening angle adjustment connecting rod (92) to achieve angle adjustment between the window sash and the window sash frame (3); the first window sash (11) and the second window sash (12) are locked by connecting the frame (4) of the first window sash (11) and the window sash frame (3) adjacent to the second window sash (12) and the first window sash (11) via a window locking member (93).

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