A high performance semi-hidden frame casement window

Abstract

The utility model provides a high-performance semi-hidden frame casement window, including a sash frame, wherein an opening sash unit and a fixed sash unit are arranged in the sash frame; the opening sash unit includes opening glass and a window sash frame, wherein the inner edges of the opening glass are fixedly connected to the outer mounting surface of the window sash frame by neutral silicone structural adhesive, and the opening glass is connected to edge guards on all sides by neutral silicone structural adhesive; the fixed sash unit includes fixed glass, an integrated grooved horizontal sub-frame, and a vertical sub-frame, wherein the integrated grooved horizontal sub-frame is respectively arranged on the upper and lower sides of the fixed glass, the integrated grooved horizontal sub-frame has a glass mounting groove, the upper end or the lower end of the fixed glass is arranged in the glass mounting groove, and the vertical sub-frame is respectively arranged on the left and right inner side edges of the fixed glass and is fixedly connected to the fixed glass by neutral silicone structural adhesive. The utility model improves the facade effect and energy-saving performance of the window, and realizes the function of installing glass in both indoor and outdoor directions by changing the profile structure, solving the problem of inconvenience in glass replacement in the later maintenance of high-rise residential buildings.

Description

Technical Field

[0001] The utility model relates to the technical field of building doors and windows, and in particular to a high-performance semi-hidden frame casement window. Background Art

[0002] Building doors and windows are part of the building envelope. Aluminum alloy, as an emerging door and window material in the door and window industry, has much higher environmental performance than other types of doors and windows. With the continuous development of the construction industry, aluminum alloy doors and windows are more and more widely used in houses. With the improvement of people's living standards and living environment, people have higher and higher requirements for the durability and stability of door and window products. Compared with traditional wooden beds and plastic steel windows, aluminum alloy doors and windows have the advantages of diverse appearance, high strength, durability and not easy to deform, no formaldehyde and other pollutants, environmental protection and recyclability, etc., and are increasingly attracting people's attention. In order to meet market requirements, aluminum alloy doors and windows are constantly reforming in terms of function, process and appearance. The economical price and sealing of doors and windows are also increasingly valued.

[0003] At present, the external casement windows used in residential buildings on the market are generally conventional series aluminum alloy windows, which have the problems of rough facade effect, poor energy-saving performance, high overall material cost, and only have the function of one-way glass installation, which cannot meet the glass installation requirements of some special locations. To this end, we propose a high-performance semi-hidden frame casement window to solve some problems existing in the existing technology. Utility Model Content

[0004] The utility model aims to provide a high-performance semi-hidden frame casement window to solve some problems existing in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-performance semi-hidden frame casement window, comprising a sash frame, in which an opening sash unit and a fixed sash unit are arranged; the opening sash unit comprises opening glass and a window sash frame, the inner edges of the opening glass are fixedly connected to the outer mounting surface of the window sash frame by neutral silicone structural adhesive, and the opening glass is connected with edge guards on all sides by neutral silicone structural adhesive; the fixed sash unit comprises fixed glass, an integrated grooved horizontal sub-frame, and a vertical sub-frame, the integrated grooved horizontal sub-frame is respectively arranged on the upper and lower sides of the fixed glass, the integrated grooved horizontal sub-frame has a glass mounting groove, the upper end or the lower end of the fixed glass is arranged in the glass mounting groove, and the vertical sub-frame is respectively arranged on the left and right inner side edges of the fixed glass and is fixedly connected to the fixed glass by neutral silicone structural adhesive.

[0006] Furthermore, the fixed fan unit is provided with at least one fan; when the fixed fan unit is provided with one fan, the fixed fan unit and the opening fan unit are provided on the left and right, and the fixed fan unit and the opening fan unit are connected by a vertical center brace; when the fixed fan unit is provided with two fans, one of the fixed fan units and the opening fan unit are provided on the left and right, and the fixed fan unit and the opening fan unit are connected by a vertical center brace; the other fixed fan unit and the opening fan unit are provided up and down, and the fixed fan unit and the opening fan unit are connected by a horizontal center brace.

[0007] Furthermore, the edge guards arranged on the left and right sides of the opening glass are "L"-shaped edge guards, and the edge guards arranged on the upper and lower sides of the opening glass are "U"-shaped edge guards.

[0008] Furthermore, the integrated grooved transverse sub-frame comprises a fixed auxiliary frame body and an edge guard body, the fixed auxiliary frame body and the edge guard body are integrally formed, and the fixed auxiliary frame body and the edge guard body are connected to form a glass installation groove.

[0009] Furthermore, the fixed auxiliary frame and the vertical auxiliary frame both include a glass connecting edge and a sash frame connecting edge, the sash frame connecting edge is vertically connected to the glass connecting edge and divides the glass connecting edge into two parts; wherein a cavity is provided between the glass connecting edge away from the sash frame portion and the sash frame connecting edge.

[0010] Furthermore, the edge protection body is an "L"-shaped edge protection structure.

[0011] Furthermore, the vertical center support includes a cavity, which is divided into two upper and lower cavity parts. The cross-sectional area of ​​the cavity located in the upper part is larger than the cross-sectional area of ​​the cavity located in the lower part. The vertical center support extends a connecting wing edge outward at the separation position of the upper and lower cavities respectively. A first accommodating space is formed between the outer wall of the cavity on one side and the connecting wing edge on the same side, and a second accommodating space is formed between the outer wall of the cavity on the other side and the connecting wing edge on the same side.

[0012] Furthermore, the horizontal center support includes two upper and lower cavities, which are separated by horizontal ribs, wherein the cavity located in the upper part is a hidden drainage cavity, the top surface of which is penetrated by an upper drainage hole, and the bottom of the side surface of the hidden drainage cavity located outdoors is penetrated by a side drainage hole, and the upper drainage hole, the hidden drainage cavity and the side drainage hole are connected to form a hidden drainage channel.

[0013] Furthermore, the upper drainage holes are arranged in at least two rows, wherein one row of the upper drainage holes is arranged at an inner position of the top surface of the hidden drainage cavity, and the other row of the upper drainage holes is arranged at an outer position of the top surface of the hidden drainage cavity.

[0014] Furthermore, the transverse ribs are arranged to be inclined toward the side drainage holes.

[0015] After adopting the above technical solution, compared with the existing technology, it has the following beneficial effects: while improving the window facade effect and energy-saving performance, it realizes the function of installing glass in both indoor and outdoor directions by changing the profile structure, solving the problem of inconvenience in replacing glass in the later maintenance of high-rise residential buildings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 yes Figure 1 1-1 sectional view;

[0019] Figure 3 yes Figure 1 2-2 sectional view;

[0020] Figure 4 yes Figure 1 AA section view;

[0021] Figure 5 yes Figure 1 BB cross-sectional view;

[0022] Figure 6 It corresponds to Figure 3 Enlarged view of part C;

[0023] Figure 7 It is a structural schematic diagram of the "L"-shaped edge guard 23 in the utility model;

[0024] Figure 8 It is a structural schematic diagram of the "U"-shaped edge guard 24 in the utility model;

[0025] Fig. 9 It is a structural schematic diagram of the vertical center support 4 of the utility model;

[0026] Fig.10 It is a schematic diagram of the structure of the vertical sub-frame 33 in the utility model;

[0027] Fig.11 It is a structural schematic diagram of the integrated grooved transverse auxiliary frame 32 in the utility model;

[0028] Fig.12 It is a structural schematic diagram of the middle horizontal and middle brace 5 of the utility model.

[0029] Explanation of reference numerals: 1. sash frame; 2. opening sash unit; 21. opening glass; 22. sash frame; 23. "L"-shaped edge guard; 24. "U"-shaped edge guard; 25. drip strip; 3. fixed sash unit; 31. fixed glass; 32. integrated transverse sub-frame with grooves; 321. fixed auxiliary frame; 3211. first glass connecting edge; 3212. first sash frame connecting edge; 3213. cavity; 3214. first "C"-shaped groove; 3215. abutment; 322. edge guard; 3221. long side edge guard; 3222. short side edge guard; 3223. PVC glass pad; 3224. second "C"-shaped groove; 323. glass installation Grooving; 3231, serrated structure; 33, vertical sub-frame; 331, second glass connecting edge; 332, second sash frame connecting edge; 333, wing plate; 334, "U"-shaped groove body; 4, vertical center brace; 41, cavity; 411, first upper cavity; 412, first lower cavity; 42, connecting wing edge; 421, third "C"-shaped groove; 43, first accommodating space; 44, second accommodating space; 5, horizontal center brace; 51, second upper cavity; 511, upper drainage hole; 512, side drainage hole; 52, second lower cavity; 53, horizontal rib; 6, neutral silicone structural adhesive; 7, sealing strip; 8, foam rod; 9, pressure strip; 10, fixing gusset plate. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0031] In view of the problems existing in the prior art, the utility model provides a high-performance semi-hidden frame casement window, and the utility model is described in detail below in conjunction with the accompanying drawings.

[0032] See also Figure 1-Figure 12 As shown, the technical solution adopted in this specific embodiment is: a high-performance semi-hidden frame casement window, including a sash frame 1, the sash frame 1 is a rectangular frame, and the outer edge of the sash frame 1 is fixedly connected to the building wall, and an opening sash unit 2 and a fixed sash unit 3 are arranged in the sash frame 1.

[0033] Wherein, the fixed fan unit 3 is provided with at least one fan.

[0034] When the fixed fan unit 3 is provided with one fan, the fixed fan unit 3 and the opening fan unit 2 are provided on the left and right, and the fixed fan unit 3 and the opening fan unit 2 are connected through the vertical center brace 4.

[0035] When two fixed fan units 3 are provided, one of the fixed fan units 3 and the opening fan unit 2 are provided on the left and right, and the fixed fan unit 3 and the opening fan unit 2 are connected by a vertical center brace 4; the other fixed fan unit 3 and the opening fan unit 2 are provided on the top and bottom, and the fixed fan unit 3 and the opening fan unit 2 are connected by a horizontal center brace 5.

[0036] The opening sash unit 2 includes an opening glass 21 and a window sash frame 22. The window sash frame 22 is a rectangular sash frame. The inner edges of the opening glass 21 are fixedly connected to the outer mounting surface of the window sash frame 22 by neutral silicone structural adhesive 6. The opening glass 21 is connected with edge guards on all sides. The edge guards arranged on the left and right sides of the opening glass 21 are "L"-shaped edge guards 23, and the edge guards arranged on the upper and lower sides of the opening glass 21 are "U"-shaped edge guards 24. The outer sides of the "L"-shaped edge guard 23 and the "U"-shaped edge guard 24 are connected with water strips 25.

[0037] Among them, one end of the "L"-shaped edge guard 23 is fixed to the side end of the open glass 21 by a neutral silicone structural adhesive 6, and the other end thereof is clamped and fixed to the window sash frame 22; one end of the "U"-shaped edge guard 23 is clamped and fixed to the window sash frame 22, and the other end thereof extends to the outer side edge of the open glass 21 and is fixedly connected to the open glass 21 by a neutral silicone structural adhesive 6, and a serrated structure 3231 is provided at the connection portion between the "U"-shaped edge guard 23 and the open glass 21.

[0038] The fixed fan unit 3 includes a fixed glass 31, an integrated grooved transverse sub-frame 32, and a vertical sub-frame 33. The integrated grooved transverse sub-frame 32 and the vertical sub-frame 33 are respectively arranged in a pair, wherein a pair of the integrated grooved transverse sub-frames 32 are respectively arranged on the upper and lower sides of the fixed glass 31, and a pair of the vertical sub-frames 33 are respectively arranged on the left and right inner side edges of the fixed glass 31.

[0039] Specifically, the integrated grooved transverse sub-frame 32 includes a fixed auxiliary frame 321 and an edge guard 322. The fixed auxiliary frame 321 and the edge guard 322 are integrally formed, and the fixed auxiliary frame 321 and the edge guard 322 are connected to form a glass installation groove 323. When installed, the upper and lower ends of the fixed glass 31 are arranged in the glass installation groove 323.

[0040] The fixed auxiliary frame 321 includes a first glass connecting edge 3211 and a first sash frame connecting edge 3212. The first sash frame connecting edge 3212 is vertically connected to the first glass connecting edge 3211 and divides the first glass connecting edge 3211 into two upper and lower parts. A cavity 3213 is arranged between the first glass connecting edge 3211 close to the fixed glass 31 and the first sash frame connecting edge 3212, and the arrangement of the cavity 3213 can improve the bending resistance of the first glass connecting edge 3211; a first "C"-shaped groove 3214 is arranged on the first glass connecting edge 3211 close to the wall, and a side notch of the first "C"-shaped groove 3214 close to the first sash frame connecting edge 3211 has an abutting portion 3215, and the abutting portion 3215 is used to abut the sash frame 1, and a sealing strip 7 is arranged between the first "C"-shaped groove 3214 and the sash frame 1, and one end of the sealing strip 7 is clamped and installed in the first "C"-shaped groove 3214, and the other end thereof abuts on the sash frame 1.

[0041] The edge guard 322 is an "L"-shaped edge guard structure. The edge guard 322 includes a long edge guard 3221 and a short edge guard 3222. A PVC glass pad 3223 is filled between the long edge guard 3221 and the end of the fixed glass 31. The inner side of the short edge guard 3221 and the outer edge of the fixed glass 31 are sealed and fixed by a neutral silicone structural adhesive 6. The gap between the long edge guard 3221 and the building wall is filled with a foam rod 8, and is sealed and fixed with a silicone weather-resistant sealant. A second "C"-shaped groove 3224 is provided at the connection between the long edge guard 3221 and the foam rod 8. During installation, the foam rod 8 is inserted into the gap between the wall and the long edge guard 3221, and a part of the foam rod 8 can be stuck in the second "C"-shaped groove 3224 to improve the overall sealing effect.

[0042] The glass installation groove 323 is formed by connecting the first glass connection edge 3211, the long edge guard 3221, and the short edge guard 3222. It should be emphasized that the height of the first glass connection edge 3211 is greater than the height of the short edge guard 3222, and the connection parts of the first glass connection edge 3221, the short edge guard 3222 and the neutral silicone structural adhesive 6 are all provided with a serrated structure 3231. After installation, the short edge guard 3222 is located on the outside of the fixed glass 31. The smaller its height, the lower the visibility of the overall profile. However, in order to fix the upper and lower ends of the fixed glass 31 more stably, the short edge guard 3222 needs to be controlled within a reasonable height size range.

[0043] Specifically, the vertical sub-frame 33 is connected to the second glass connecting edge 331 and the second sash frame connecting edge 332, and the second sash frame connecting edge 332 is vertically connected to the second glass connecting edge 331 and divides the second glass connecting edge 331 into two parts, left and right. A cavity 3213 is provided between the second glass connecting edge 331 part away from the sash frame 1 and the second sash frame connecting edge 332; a wing plate 333 is provided on the connecting side of the second sash frame connecting edge 332 and the sash frame 1, and the wing plate 333 is used to abut against the sash frame 1, and a "U"-shaped groove 334 is formed between the wing plate 333 and the second glass connecting edge 331 part facing the sash frame 1, and the "U"-shaped groove 334 is used to connect the pressure strip 9, and the pressure strip 9 is a "Z"-shaped pressure strip, one end of which is inserted into the "U"-shaped groove 334, and the other end is fixedly connected to the sash frame 1 by screws.

[0044] It should be specifically explained that the first glass connecting edge 3211 and the second glass connecting edge 331 are both installed on the inner side edge of the fixed glass 31, and the first glass connecting edge 3211 and the second glass connecting edge 331 are both installed on the inner side of the fixed glass 31 through the neutral silicone structural adhesive 6.

[0045] The first glass connecting edge 3211 and the second glass connecting edge 331 are respectively provided with a clamping head matched with the fixed buckle plate 10 at one end close to the fixed glass 31 .

[0046] The vertical center brace 4 is an asymmetric structure. The vertical center brace 4 includes a cavity 41, which is divided into two upper and lower cavity parts. The cross section of the first upper cavity 411 located at the upper part is larger than the cross section of the first lower cavity 412 located at the lower part, forming a "7" self-molded cavity as a whole. The vertical center brace 4 extends a connecting wing edge 42 outward at the separation position of the upper and lower cavities, and the tail of the connecting wing edge 42 has a third "C"-shaped groove 421, and the third "C"-shaped groove 421 is arranged toward the outdoor side.

[0047] It should be specifically explained that the upper width of the vertical center support 4 is 38 mm, the extension length of the left and right connecting wings 42 is 19 mm, and the height from the top surface of the connecting wings 42 to the bottom surface of the vertical center support 4 is 40-50 mm.

[0048] A first accommodation space 43 for connecting the opening fan unit 2 is formed between the left outer wall of the first lower cavity 412 and the connecting wing 42 on the same side thereof, and a second accommodation space 44 for fixing the vertical sub-frame 33 is formed between the right outer wall of the first lower cavity 412 and the connecting wing 42 on the same side thereof. The space area of ​​the first accommodation space 43 is larger than the space area of ​​the second accommodation space 44.

[0049] A sealing strip 7 abutting against the window sash frame 22 is installed in the third “C”-shaped groove 421 located on the left side.

[0050] The vertical center brace 4 structure of the present technical solution can greatly optimize the width of the middle rod of the window frame. After the profile part containing the opening fan unit 2, the width of the middle rod can be significantly optimized, which can simplify the production process, reduce production costs, and improve the aesthetics of the installation.

[0051] The horizontal center support 5 includes two second upper cavities 51 and a second lower cavity 52 distributed up and down, wherein the second upper cavity 51 is a hidden drainage cavity, and a plurality of upper drainage holes 511 are penetrated on the top surface of the hidden drainage cavity, and a plurality of side drainage holes 512 are penetrated on the bottom of the side of the hidden drainage cavity 51 located outdoors, and a hidden drainage channel is formed between the upper drainage holes 511, the second upper cavity 51 and the side drainage holes 512, which is used to discharge the accumulated water on the top surface of the horizontal atrium 5 from the side drainage holes 512.

[0052] The upper drainage holes 511 are arranged in at least two rows, wherein one row of the upper drainage holes 511 is arranged at the inner side of the top surface of the hidden drainage cavity, and the other row of the upper drainage holes 511 is arranged at the outer side of the top surface of the hidden drainage cavity.

[0053] The upper and lower cavities of the horizontal center support 5 are separated by a horizontal rib 53, and the horizontal rib 53 is inclined toward the side drainage hole 512, so as to guide the water flow in the hidden drainage cavity toward the side drainage hole 512, which is beneficial to the discharge of accumulated water.

[0054] During the specific installation, the connection between the opening glass 21 and the "L"-shaped edge guard 23 and the "U"-shaped edge guard 24 can be glued and installed in the door and window production workshop, thereby forming an overall installation structure of the opening sash. The connection between the fixed glass 31 and the integrated grooved horizontal sub-frame 32 and the vertical sub-frame 33 can also be glued and installed in the door and window production workshop, thereby forming an overall installation structure of the fixed sash, which can avoid damage to the profile surface during on-site installation at the construction site. During on-site installation at the construction site, the overall installation structure of the opening sash is pushed into the sash window frame 22 and fixedly connected by neutral silicone structural adhesive 6. At the same time, the edge guards around the opening glass 21 are clamped and fixed to the sash window frame; the overall installation structure of the fixed sash is pushed flatly into the sash frame 1, and the integrated grooved horizontal sub-frame 32 and the vertical sub-frame 32 are fixedly connected to the sash frame 1 by screws.

[0055] The opening fan unit 2 and the fixed fan unit 3 of the casement window of the present technical solution can be installed on the same horizontal plane, which is aesthetically pleasing. At the same time, during the specific installation, indoor or outdoor installation can be selected according to the actual situation. It has a two-way installation function, and the overall air tightness, water tightness, wind pressure resistance, etc. are all improved. The door and window structure of the entire product consumes less materials, which can greatly enhance the user experience.

[0056] The opening fan unit 2 and the fixed fan unit 3 of the casement window of the present technical solution can be installed on the same horizontal plane, which is aesthetically pleasing. At the same time, during the specific installation, indoor or outdoor installation can be selected according to the actual situation. It has a two-way installation function, and the overall air tightness, water tightness, wind pressure resistance, etc. are all improved. The door and window structure of the entire product consumes less materials, which can greatly enhance the user experience.

[0057] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0058] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A high-performance semi-hidden frame casement window, characterized in that: It comprises a fan frame, in which an opening fan unit and a fixed fan unit are arranged; The opening sash unit comprises an opening glass and a window sash frame, the inner edges of the opening glass are fixedly connected to the outer mounting surface of the window sash frame by means of a neutral silicone structural adhesive, and the opening glass is connected to edge guards by means of the neutral silicone structural adhesive on all four sides; The fixed fan unit includes fixed glass, an integrated grooved transverse sub-frame, and a vertical sub-frame. The integrated grooved transverse sub-frame is respectively arranged on the upper and lower sides of the fixed glass. The integrated grooved transverse sub-frame has a glass mounting groove. The upper end or the lower end of the fixed glass is arranged in the glass mounting groove. The vertical sub-frame is respectively arranged on the left and right inner side edges of the fixed glass and is fixedly connected to the fixed glass through neutral silicone structural adhesive.

2. The high performance semi-hidden frame casement window according to claim 1, characterized in that: The fixed fan unit is provided with at least one fan; When the fixed fan unit is provided with one fan, the fixed fan unit and the opening fan unit are provided on the left and right, and the fixed fan unit and the opening fan unit are connected by a vertical center brace; When two fixed fan units are provided, one of the fixed fan units and the opening fan unit is provided on the left and right, and the fixed fan unit and the opening fan unit are connected by a vertical center brace; the other fixed fan unit and the opening fan unit are provided on the top and bottom, and the fixed fan unit and the opening fan unit are connected by a horizontal center brace.

3. The high performance semi-hidden frame casement window according to claim 1, characterized in that: The edge guards set on the left and right sides of the opening glass are "L"-shaped edge guards, and the edge guards set on the upper and lower sides of the opening glass are "U"-shaped edge guards.

4. The high performance semi-hidden frame casement window according to claim 1, characterized in that: The integrated grooved transverse sub-frame comprises a fixed auxiliary frame body and an edge protection body. The fixed auxiliary frame body and the edge protection body are integrally formed, and the fixed auxiliary frame body and the edge protection body are connected to form a glass installation groove.

5. The high performance semi-hidden frame casement window according to claim 4, characterized in that: The fixed auxiliary frame and the vertical auxiliary frame both include a glass connecting edge and a fan frame connecting edge, the fan frame connecting edge is vertically connected to the glass connecting edge and divides the glass connecting edge into two parts; Wherein, a cavity is arranged between the glass connecting edge away from the sash frame portion and the sash frame connecting edge.

6. The high performance semi-hidden frame casement window according to claim 4, characterized in that: The edge protection body is an "L"-shaped edge protection structure.

7. The high performance semi-hidden frame casement window according to claim 2, characterized in that: The vertical center support includes a cavity, which is divided into two upper and lower cavity parts. The cross-sectional area of ​​the cavity located in the upper part is larger than the cross-sectional area of ​​the cavity located in the lower part. The vertical center support extends a connecting wing edge outward at the separation position of the upper and lower cavities respectively. A first accommodating space is formed between the outer wall of the cavity on one side and the connecting wing edge on the same side, and a second accommodating space is formed between the outer wall of the cavity on the other side and the connecting wing edge on the same side.

8. The high performance semi-hidden frame casement window according to claim 2, characterized in that: The horizontal center support includes two upper and lower cavities, which are separated by horizontal ribs. The upper cavity is a hidden drainage cavity, and an upper drainage hole is formed through the top surface of the hidden drainage cavity. A side drainage hole is formed through the bottom of the side surface of the hidden drainage cavity located outdoors. The upper drainage hole, the hidden drainage cavity and the side drainage hole are connected to form a hidden drainage channel.

9. The high-performance semi-hidden frame casement window according to claim 8, characterized in that: The upper drainage holes are arranged in at least two rows, wherein one row of the upper drainage holes is arranged at the inner side of the top surface of the hidden drainage cavity, and the other row of the upper drainage holes is arranged at the outer side of the top surface of the hidden drainage cavity.

10. The high performance semi-hidden frame casement window according to claim 8, characterized in that: The transverse ribs are arranged obliquely toward the side drainage holes.

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