Casement window with double broken bridges
By combining a double thermal break design with four sealing strips, the sound insulation, heat insulation, and wind pressure resistance of casement windows are solved, improving the safety and sealing of the window sash and achieving higher heat insulation and noise reduction effects.
Patent Information
- Application Number
- CN202421162419.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2034-05-24
AI Technical Summary
Existing casement windows have poor sound and heat insulation performance, poor sealing, insufficient strength of the window sash hinge installation structure, weak wind pressure resistance, and low safety.
The window frame and insulated glass structure feature a double thermal break design, combined with four sealing strips and staggered inner and outer hinges to enhance the connection stability between the window sash and the conversion frame. Rigid foam is used to fill the cavity to improve thermal insulation performance.
It significantly improves thermal insulation, sound insulation and noise reduction performance, enhances load-bearing capacity and wind pressure resistance, and improves the safety and sealing of window sashes.
Smart Images

Figure CN223794074U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of door and window technology, and more specifically, to a double-thermal-break casement window. Background Technology
[0002] Casement windows, as a common type of window, are widely used in facade design. Their sashes can open inwards or outwards, providing greater ventilation and lighting.
[0003] However, the casement windows currently on the market suffer from poor sound and heat insulation performance due to unreasonable structural design, misalignment between the air layer of the insulated glass and the cavity of the frame, and generally have poor sealing performance. In terms of installation, the installation structure of the window sash hinges is not strong enough and has weak wind pressure resistance. The window sash is usually only connected to the window frame by a single steel cable to achieve passive anti-fall function, which is not safe and poses safety hazards. Utility Model Content
[0004] The purpose of this utility model is to provide a double-thermal-break casement window that solves the above-mentioned technical problems, improves the performance of heat insulation, sound insulation and noise reduction, and enhances the load-bearing capacity and wind pressure resistance.
[0005] The embodiments of this utility model are achieved through the following technical solution: a double-thermally broken casement window, including a window frame, the window frame including a horizontal stile and a vertical stile disposed inside the window frame, a window sash connected inside the window frame by a conversion frame, and an insulated glass unit sealed inside the window sash. The window frame, the horizontal stile, the vertical stile, the conversion frame and the window sash all include a first chamber and a second chamber arranged adjacent to each other from the outside to the inside. The top and bottom of the first chamber are connected to a first thermal break through a mounting groove, and the top and bottom of the second chamber are connected to a second thermal break through a mounting groove. All the first chambers are vertically aligned, and all the second chambers are vertically aligned. The insulated glass unit is flush with the first chamber and the second chamber and is located in the same vertical space. A first sealing strip is provided on the inner side of the outer end of the window sash at the point of contact with the conversion frame. A second sealing strip and a third sealing strip are respectively connected to the outer periphery of the second chamber of the window sash. A fourth sealing strip is provided on the inner side of the inner end of the conversion frame at the point of closure with the window sash.
[0006] Furthermore, the conversion frame includes an outer conversion frame, a middle conversion frame, and an inner conversion frame. The outer conversion frame is connected to one side of the first chamber of the conversion frame, the middle conversion frame is connected between the first chamber and the second chamber of the conversion frame, and the inner conversion frame is connected to one side of the second chamber of the conversion frame. The first chamber of the conversion frame is provided with outer hinges that are connected to the top and bottom of the window sash, respectively, and the inner conversion frame is provided with inner hinges that are connected to the top and bottom of the window sash, respectively.
[0007] Preferably, the window sash includes an outer window frame, a middle window frame, and an inner window frame. The outer window frame is connected to one side of the first chamber of the window sash, the middle window frame is connected between the first and second chambers of the window sash, and the inner window frame is connected to one side of the second chamber of the window sash. A first hook lock is engaged between the outer window frame and the middle window frame, and a second hook lock is engaged between the outer conversion frame and the middle conversion frame. The first hook lock is rotatably riveted to the outer hinge, and the second hook lock is bolted to the outer hinge.
[0008] Preferably, both the outer window frame and the middle window frame are provided with a first locking groove for connecting the first hook lock, and both the outer conversion frame and the middle conversion frame are provided with a second locking groove for connecting the second hook lock. Both the first locking groove and the second locking groove are G-shaped grooves.
[0009] Preferably, the top and bottom of the inner window frame are both secured with a third hook lock, and the upper and lower ends of the inner ring of the inner conversion frame are both secured with a fourth hook lock. The third hook lock is rotatably riveted to the inner hinge, and the fourth hook lock is bolted to the inner hinge.
[0010] Preferably, the inner ring ends of the outer window frame and the inner ring ends of the inner window frame are both connected to the insulating glass via sealing strips, and both the inner ring ends of the outer window frame and the inner ring ends of the inner window frame are outwardly sloping.
[0011] Preferably, the first chamber of the horizontal mullion is connected to a horizontal frame that is fastened to the outer conversion frame. The outer conversion frame has a first drainage hole that communicates with the lower end of the inner ring of the conversion frame. The horizontal mullion has a second drainage hole that communicates with the first drainage hole and communicates with the outside.
[0012] Preferably, the inner hinge and the outer hinge are arranged alternately on the same vertical plane, and the inner hinge is installed at a higher position than the outer hinge.
[0013] Preferably, a screen window is slidably connected to the side wall of the inner conversion frame.
[0014] Furthermore, the first chamber is filled with a rigid foaming agent.
[0015] This utility model has at least the following advantages and beneficial effects: through the thermal break design of the window frame, horizontal mullion, vertical mullion, transition frame and window sash, together with the insulated glass, it forms a double thermal break vertical temperature control zone, which effectively improves the performance of heat insulation, heat preservation and sound insulation, while enhancing the load-bearing capacity and wind pressure resistance. Furthermore, through the setting of four sealing strips, three independent and isolated spaces are formed when the window sash and transition frame are closed, further improving the performance of heat insulation, heat preservation and sound insulation. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 An installation diagram of a double-thermal-break casement window provided by this utility model;
[0018] Figure 2 A sectional view of some assembly components of a double-thermal-break casement window provided by this utility model;
[0019] Figure 3 A cross-sectional view of the middle sash of a double-thermal-break casement window provided for this utility model;
[0020] Figure 4 A cross-sectional view of the conversion frame in a double-thermal-break casement window provided by this utility model;
[0021] Figure 5 A cross-sectional view of the horizontal stile in a double-thermal-break casement window provided by this utility model;
[0022] Figure 6 A sectional view of the vertical stile in a double-thermal-bridge casement window provided by this utility model;
[0023] Figure 7 A cross-sectional view of the middle window frame of a double-thermal-break casement window provided by this utility model;
[0024] Icons: 1-Window frame, 10-Screen, 100-Double thermal break vertical temperature control zone, 2-Horizontal mullion, 21-Horizontal frame, 210-Second drain hole, 3-Vertical mullion, 4-Transition frame, 41-Outer transition frame, 410-First drain hole, 42-Middle transition frame, 43-Inner transition frame, 44-Second locking groove, 5-Window sash, 51-Outer window frame, 52-Middle window frame, 53-Inner window frame, 54- 55-First snap-fit groove, 6-Insulating glass, 71-First chamber, 72-Second chamber, 73-First thermal break, 74-Second thermal break, 81-First sealing strip, 82-Second sealing strip, 83-Third sealing strip, 84-Fourth sealing strip, 91-Outer hinge, 92-Inner hinge, 93-First hook lock, 94-Second hook lock, 95-Third hook lock, 96-Fourth hook lock. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0027] Example
[0028] like Figure 1-7As shown, this embodiment mainly discloses a double-thermal casement window, including a window frame 1. The window frame 1 includes a horizontal stile 2 and a vertical stile 3 disposed inside it. A window sash 5 is connected inside the window frame 1 through a transition frame 4. Insulating glass 6 is sealed inside the window sash 5. The window frame 1, horizontal stile 2, vertical stile 3, transition frame 4, and window sash 5 all include a first chamber 71 and a second chamber 72 arranged adjacent to each other from the outside to the inside. The top and bottom of the first chamber 71 are connected to a first thermal break 73 through a mounting groove. The top and bottom of the second chamber 72 are connected to a second thermal break 74 through a mounting groove. All the first chambers 71 are vertically aligned. All the second chambers 72 are vertically aligned. The 72 are vertically aligned, and the insulated glass 6 is flush with the first chamber 71 and the second chamber 72 in the same vertical space. The inner side of the outer end of the window sash 5 is provided with a first sealing strip 81 at the pressing point with the transition frame 4. The outer periphery of the second chamber 72 of the window sash 5 is respectively connected with a second sealing strip 82 and a third sealing strip 83. The inner side of the inner end of the transition frame 4 is provided with a fourth sealing strip 84 at the closing point with the window sash 5. It should be noted that the window frame 1 is fixed between the wall and / or beam. The window frame 1 is a frame structure formed by surrounding the window. The vertical mullion 3 is usually connected vertically to the window frame 1 or to the window frame 1 and the horizontal mullion 2, while the horizontal mullion 2 is usually connected horizontally to the window frame 1 or to the window frame 1. 1. The window frame is connected to the vertical mullion 3. The transition frame 4 is usually connected to the window frame 1, the horizontal mullion 2, and the vertical mullion 3. The window sash 5 is an outward-opening window. The vertical frame side of the window sash 5 is hinged to the window frame 1 to achieve a rotating connection. The window frame 1, the horizontal mullion 2, the vertical mullion 3, the transition frame 4, and the window sash 5 all adopt a multi-chamber design, and each includes at least a first chamber 71 and a second chamber 72. The first chamber 71 and the second chamber 72 adopt a thermal break design, aligning the air layer inside the double-glazed glass 6 with all the first chambers 71 and the second chambers 72 to form a double thermal break vertical temperature control zone 100, which effectively improves the thermal insulation, sound insulation and noise reduction performance, while also enhancing the load-bearing capacity and wind pressure resistance. The first sealing strip 81 is located on the exterior side of the window sash 5 where it is pressed against the transition frame 4. It mainly serves to block strong winds and prevent rainwater from seeping into the profile. The second sealing strip 82 and the third sealing strip 83 are located in the middle of the outer perimeter of the window sash 5. They mainly serve to block water vapor and light breezes from entering the room. The fourth sealing strip 84 is located on the inner side of the interior side of the transition frame 4, opposite to the direction of the first sealing strip 81. It mainly serves to block the evaporation and backflow of residual moisture, keeping the room dry. With the installation of the four sealing strips, three independent and isolated spaces are formed when the window sash 5 and the transition frame 4 are closed, further improving the performance of heat insulation, sound insulation and noise reduction.
[0029] Furthermore, in specific implementation, such as Figure 1-4As shown, the conversion frame 4 provided in this embodiment of the present invention includes an outer conversion frame 41, a middle conversion frame 42, and an inner conversion frame 43. The outer conversion frame 41 is connected to one side of the first chamber 71 of the conversion frame 4, the middle conversion frame 42 is connected between the first chamber 71 and the second chamber 72 of the conversion frame 4, and the inner conversion frame 43 is connected to one side of the second chamber 72 of the conversion frame 4. The first chamber 71 of the conversion frame 4 is provided with outer hinges 91 that are connected to the top and bottom of the window sash 5, respectively. The inner conversion frame 43 is provided with inner hinges 92 that are connected to the top and bottom of the window sash 5, respectively. It should be noted that both the outer hinges 91 and the inner hinges 92 can be made of... In existing stainless steel outward-opening sliding hinges, both the outer hinge 91 and the inner hinge 92 can be used independently. Specifically, the inner hinge 92 and the outer hinge 91 are staggered on the same vertical plane, with the inner hinge 92 installed at a higher position than the outer hinge 91, forming a stepped design that is lower on the outside and higher on the inside, which facilitates the installation and staggered use of the inner hinge 92 and the outer hinge 91. In existing technology, a steel cable is usually only set on the hinged side of the window sash 5 and the window frame 1 to passively prevent falls. This utility model adopts a staggered double hinge design to effectively improve the fall prevention performance of the casement window and improve the safety of opening the window sash 5.
[0030] Preferably, in specific implementation, such as Figure 1-4As shown, the window sash 5 provided in this embodiment of the present invention includes an outer window frame 51, a middle window frame 52, and an inner window frame 53. The outer window frame 51 is connected to one side of the first chamber 71 of the window sash 5, the middle window frame 52 is connected between the first chamber 71 and the second chamber 72 of the window sash 5, and the inner window frame 53 is connected to one side of the second chamber 72 of the window sash 5. A first hook lock 93 is engaged between the outer window frame 51 and the middle window frame 52, and a second hook lock 94 is engaged between the outer conversion frame 41 and the middle conversion frame 42. The first hook lock 93 is connected to the outer... The side hinge 91 is rotatably riveted, and the second hook lock 94 is bolted to the outer hinge 91; in addition, both the outer window frame 51 and the middle window frame 52 are provided with a first locking groove 55 for connecting the first hook lock 93, and the outer conversion frame 41 and the middle conversion frame 42 are provided with a second locking groove 44 for connecting the second hook lock 94. Both the first locking groove 55 and the second locking groove 44 are G-shaped grooves; specifically, the first locking groove 55 is provided at the upper and lower parts of the inner and outer rings of the outer window frame 51, and at the upper and lower parts of the inner and outer rings of the middle window frame 52, and The first locking groove 55 on the outer window frame 51 and the first locking groove 55 on the middle window frame 52 are arranged opposite each other, while the second locking groove 44 is opened at the upper and lower parts of the inner ring of the outer conversion frame 41 and the upper and lower parts of the inner ring of the middle conversion frame 42, and the second locking groove 44 on the outer conversion frame 41 and the second locking groove 44 on the middle conversion frame 42 are arranged opposite each other; correspondingly, the first hook locking member 93 is respectively provided at the upper and lower parts of the inner ring side and the upper and lower parts of the outer ring side of the window sash 5, and the first hook locking member 93 at the upper and lower parts of the outer ring side of the window sash 5 is rotatably riveted to the outer hinge 91, and The second hook lock 94 is located on the upper and lower parts of the inner ring side of the conversion frame 4. It should be noted that in the prior art, the connection between window profiles is usually made by C-shaped, U-shaped or K-shaped slots. For example, the slot of the inner conversion frame 43 used to lock the fourth hook lock 96 is a C-shaped slot, while the first locking slot 55 and the second locking slot 44 are both set as G-shaped slots, which enhances the fastening ability along the width direction of the window frame 1, improves the tension strength of the outer window frame 51 and the outer conversion frame 41, and improves the safety and the firmness of the assembly.
[0031] Preferably, in specific implementation, such as Figure 2-4 As shown, the top and bottom of the inner window frame 53 provided in this embodiment of the present invention are both secured with a third hook lock 95, and the upper and lower ends of the inner ring of the inner conversion frame 43 are both secured with a fourth hook lock 96. The third hook lock 95 is rotatably riveted to the inner hinge 92, and the fourth hook lock 96 is bolted to the inner hinge 92.
[0032] Preferably, in specific implementation, such as Figure 2 , 3As shown, the top of the outer window frame 51 and the top of the inner window frame 53 provided in this embodiment of the present invention are both connected to the insulating glass 6 by sealing strips 54, and the inner ring ends of the outer window frame 51 and the inner ring ends of the inner window frame 53 are both outwardly sloping. On the one hand, this can reduce wind pressure, water accumulation and dust accumulation, and on the other hand, it can enhance the three-dimensional lines of the entire window and improve its aesthetics.
[0033] Furthermore, in specific implementation, such as Figure 2 , 4 As shown in Figure 5, in the embodiment of this utility model, a horizontal frame 21 that is fastened to an outer conversion frame 41 is connected to one side of the first chamber 71 of the horizontal mullion 2. The outer conversion frame 41 has a first drainage hole 410 that communicates with the lower end of the inner ring of the conversion frame 4. The horizontal frame 21 has a second drainage hole 210 that communicates with the first drainage hole 410 and communicates with the outside. This makes the first drainage hole 410 and the second drainage hole 210 form an independent drainage channel on the outdoor side, so as to achieve smooth drainage, prevent rainwater backflow, further improve the sealing performance, and reduce the possibility of rainwater entering.
[0034] Furthermore, in specific implementation, such as Figure 1 , 2 As shown in Figure 4, a screen window 10 is slidably connected to the inner conversion frame 43 side wall provided in this embodiment of the utility model. Specifically, the screen window 10 that can be slidably installed on the inner conversion frame 43 side wall can be connected by a slot and a block sliding engagement to be mounted on the inner side.
[0035] Furthermore, in specific implementation, such as Figure 2-7 As shown, the first chamber 71 provided in this embodiment of the present invention is filled with rigid foaming agent. Specifically, the first chamber 71 near the outside can be filled with closed-cell rigid foaming agent to further improve the heat insulation and sound insulation performance.
[0036] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A double-break sash casement window comprising a window frame (1) which comprises a horizontal mullion (2) and a vertical mullion (3) arranged inside it, a sash (5) connected in the window frame (1) by means of a transom (4), and a hollow glass (6) connected hermetically inside the sash (5), characterized in that, The window frame (1), the horizontal mullion (2), the vertical mullion (3), the conversion frame (4) and the window sash (5) all include first chambers (71) and second chambers (72) arranged adjacent from outside to inside, the inside top end and bottom end of the first chamber (71) are connected with first broken bridges (73) through mounting grooves, the inside top end and bottom end of the second chamber (72) are connected with second broken bridges (74) through mounting grooves, all the first chambers (71) are vertically aligned, all the second chambers (72) are vertically aligned, the hollow glass (6) is flush with the first chambers (71) and the second chambers (72) in the same vertical space, the outer end inside of the window sash (5) is provided with a first sealing strip (81) at the pressing closure with the conversion frame (4), the outer periphery of the second chamber (72) of the window sash (5) is connected with a second sealing strip (82) and a third sealing strip (83) respectively, the inner end inside of the conversion frame (4) is provided with a fourth sealing strip (84) at the closure with the window sash (5).
2. A double-break bridge casement window as claimed in claim 1, characterized in that The conversion frame (4) includes an outer conversion frame (41), an intermediate conversion frame (42) and an inner conversion frame (43), the outer conversion frame (41) is connected to one side of the first chamber (71) of the conversion frame (4), the intermediate conversion frame (42) is connected between the first chamber (71) and the second chamber (72) of the conversion frame (4), the inner conversion frame (43) is connected to one side of the second chamber (72) of the conversion frame (4), the first chamber (71) of the conversion frame (4) is respectively provided with an outer hinge (91) connected with the top end and the bottom end of the window sash (5) outside, the inner conversion frame (43) is respectively provided with an inner hinge (92) connected with the top end and the bottom end of the window sash (5) above.
3. A double-break bridge casement window as claimed in claim 2, wherein, The window sash (5) includes an outer window frame (51), an intermediate window frame (52) and an inner window frame (53), the outer window frame (51) is connected to one side of the first chamber (71) of the window sash (5), the intermediate window frame (52) is connected between the first chamber (71) and the second chamber (72) of the window sash (5), the inner window frame (53) is connected to one side of the second chamber (72) of the window sash (5), the outer window frame (51) and the intermediate window frame (52) are clamped with a first hook locking piece (93), the outer conversion frame (41) and the intermediate conversion frame (42) are clamped with a second hook locking piece (94), the first hook locking piece (93) is riveted with the outer hinge (91), the second hook locking piece (94) is bolted with the outer hinge (91).
4. A double-break bridge casement window as claimed in claim 3, wherein, The outer window frame (51) and the intermediate window frame (52) are both provided with first clamping grooves (55) for connecting the first hook locking piece (93), the outer conversion frame (41) and the intermediate conversion frame (42) are provided with second clamping grooves (44) for connecting the second hook locking piece (94), the first clamping grooves (55) and the second clamping grooves (44) are both G-shaped notches.
5. A double-break bridge casement window as claimed in claim 3, wherein, The top end and the bottom end of the inner side window frame (53) are clamped with third hook lockers (95), the upper end and the lower end of the inner side conversion frame (43) are clamped with fourth hook lockers (96), the third hook lockers (95) are riveted with the inner side hinge (92), and the fourth hook lockers (96) are bolted with the inner side hinge (92).
6. A double-break bridge casement window as claimed in claim 3, wherein, The inner ring end of the outer side window frame (51) and the inner ring end of the inner side window frame (53) are connected with the hollow glass (6) through sealing rubber strips (54), and the inner ring end of the outer side window frame (51) and the inner ring end of the inner side window frame (53) are in the form of outer slope.
7. A double-break bridge casement window as claimed in claim 2, wherein, The first chamber (71) of the horizontal mullion (2) is connected with a horizontal middle frame (21) which is buckled with the outer side conversion frame (41), the outer side conversion frame (41) is provided with a first drainage hole (410) which is communicated with the lower end of the inner ring of the conversion frame (4), the horizontal middle frame (21) is provided with a second drainage hole (210) which is communicated with the first drainage hole (410), and the second drainage hole (210) is communicated with the outdoor.
8. A double-break bridge casement window as claimed in claim 2, wherein, The inner side hinge (92) and the outer side hinge (91) are staggered on the same vertical plane, and the installation position of the inner side hinge (92) is higher than that of the outer side hinge (91).
9. A double-break bridge casement window as claimed in claim 2, wherein, The side wall of the inner side conversion frame (43) is slidably connected with a screen window (10).
10. A double-break bridge casement window as claimed in claim 1, characterized in that, The first chamber (71) is filled with a hard foaming agent.