High-performance bridge-cutoff aluminum alloy outer window

By installing a thermal insulation component with a width equal to or greater than the sum of the widths of the window frame and window sash between the window frame and window sash, and combining it with double-glazed glass and sealing strips, the structure of the aluminum alloy exterior window is optimized, solving the problem of high heat transfer coefficient and achieving low-cost, high-efficiency energy-saving effect.

CN223724429UActive Publication Date: 2025-12-26CHINA MCC5 GROUP CORP LTD
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Patent Information

Application Number
CN202520256230.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-26
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

The heat transfer coefficient of existing thermally broken aluminum alloy exterior windows is difficult to meet higher energy-saving standards, and the cost of improvement is high, making it difficult to widely apply them.

Method used

The structural design of aluminum alloy windows is optimized by setting first and second thermal insulation components with a width not less than the sum of the widths of the window frame and the window sash between the window frame and the window sash, filling them with thermal insulation and sound insulation layers, and combining them with double-glazed glass and sealing strips.

Benefits of technology

It significantly reduces the heat transfer coefficient of aluminum alloy exterior windows, lowering the overall window heat transfer coefficient to 1.5W/㎡·K, enhancing the building's thermal insulation capabilities. At the same time, the renovation cost is low, making it suitable for market promotion.

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Abstract

The utility model discloses a high-performance bridge-cutoff aluminum alloy outer window which comprises a window frame, an outer window sash, an inner window sash and hollow glass arranged between the outer window sash and the inner window sash, the window frame comprises an outer window frame and an inner window frame, the outer window frame is flush with the outer window sash, the inner window frame is flush with the inner window sash, and the hollow glass is arranged between the outer window sash and the inner window sash. A first heat insulation assembly is arranged between the outer window frame and the inner window frame, a second heat insulation assembly is arranged between the outer window sash and the inner window sash, the first heat insulation assembly and the second heat insulation assembly are equal in width, and the width of the first heat insulation assembly and the width of the second heat insulation assembly are not smaller than the sum of the width of the outer window frame and the width of the inner window frame. The heat transfer coefficient of the aluminum alloy outer window joint is greatly reduced, the heat preservation capacity of a building is enhanced, the energy consumption of the building is greatly reduced, meanwhile, improvement is conducted based on an existing aluminum alloy outer window structure, the improvement cost is low, and wide application and popularization in the market are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to door and window technical field, especially relate to a high performance broken bridge aluminum alloy outer window. BACKGROUND

[0002] With the development of building green low carbon, the most important measure is to reduce the energy consumption of building, through the analysis of building energy consumption, the heat loss of building envelope accounts for half of the total building energy consumption, and the energy consumption of door and window accounts for 50% of the energy consumption of building envelope and 25% of the total building energy consumption;

[0003] At present, the outer window on the market can be divided into wood window, ordinary aluminum alloy window, plastic window, aluminum-plastic composite outer window, broken bridge aluminum alloy outer window and glass steel outer window according to the different section types, and the broken bridge aluminum alloy outer window is the most popular outer window product on the market at present, which is the key product of building energy-saving outer envelope structure;

[0004] However, through investigation, the heat transfer coefficient of the conventional broken bridge aluminum node is about 3.5W / ㎡·K, and the heat transfer coefficient of the whole window is about 2.2W / ㎡·K, which is difficult to meet the higher requirement of energy-saving standard;

[0005] At present, the energy-saving improvement of the broken bridge aluminum alloy outer window is disclosed in Chinese invention patent CN116771252A, a broken bridge aluminum passive window, comprising a window frame and a movable window hinged in the window frame, the window frame comprises an outdoor side broken bridge aluminum alloy frame and an indoor side broken bridge aluminum alloy frame, the movable window comprises an outdoor side broken bridge aluminum alloy inward opening sash frame body and an indoor side broken bridge aluminum alloy inward opening sash frame body, the outdoor side broken bridge aluminum alloy frame and the indoor side broken bridge aluminum alloy frame are connected by a heat insulation strip, and the outdoor side broken bridge aluminum alloy inward opening sash frame body and the indoor side broken bridge aluminum alloy inward opening sash frame body are connected by a heat insulation strip, a plurality of layers of vacuum glass are installed in the movable window, and the vacuum glass is located between the outdoor side broken bridge aluminum alloy inward opening sash frame body and the indoor side broken bridge aluminum alloy inward opening sash frame body, so as to meet the effect of meeting the requirements of passive super low energy consumption building on outer window, but its cost is high, which leads to difficult to be widely applied in the market. INVENTION CONTENTS

[0006] The utility model aims at overcoming the prior art defects, providing a high performance broken bridge aluminum alloy outer window, which greatly reduces the heat transfer coefficient of the aluminum alloy outer window node, strengthens the heat preservation capacity of the building, greatly reduces the energy consumption of the building, and improves the existing aluminum alloy outer window structure, which has low modification cost and is widely applied in the market.

[0007] The utility model realizes the purpose by the following technical scheme:

[0008] The utility model provides a high-performance broken bridge aluminum alloy outer window, including window frame, outer window sash, inner window sash and hollow glass arranged between outer window sash and inner window sash, the window frame includes outer window frame and inner window frame, the outer window frame is flush with the outer window sash, the inner window frame is flush with the inner window sash, be provided with first heat insulation component between the outer window frame and the inner window frame, be provided with second heat insulation component between the outer window sash and the inner window sash, the first heat insulation component and the second heat insulation component are equal width, and the width of both is not less than the width of outer window frame and inner window frame.

[0009] In one embodiment, the outer window frame and the outer window sash are overlapped by a first sealant strip, and the inner window frame and the inner window sash are overlapped by a second sealant strip.

[0010] In one embodiment, the first heat insulation component includes a ribbed heat insulation strip and a multi-cavity heat insulation strip, both ends of the ribbed heat insulation strip and the multi-cavity heat insulation strip are in contact with the outer window frame and the inner window frame respectively, the second heat insulation component includes a C-shaped heat insulation strip and a single-cavity heat insulation strip, both ends of the C-shaped heat insulation strip and the single-cavity heat insulation strip are in contact with the outer window sash and the inner window sash respectively, and the second heat insulation component is located between the first heat insulation component and the hollow glass.

[0011] In this embodiment, the single-cavity heat insulation strip of the second heat insulation component and the ribbed heat insulation strip of the first heat insulation component are arranged close to each other, and a third sealant strip is arranged between the single-cavity heat insulation strip and the ribbed heat insulation strip, the third sealant strip is located between the first sealant strip and the second sealant strip.

[0012] In one embodiment, the single-cavity heat insulation strip has an inclined contact surface that fits the ribbed heat insulation strip on one side and the top of the third sealant strip, and the bottom ends of the third sealant strip are connected to the outer window frame and the inner window frame respectively.

[0013] In one embodiment, the ribbed heat insulation strip and the multi-cavity heat insulation strip are filled with a heat and sound insulation layer, and the C-shaped heat insulation strip and the single-cavity heat insulation strip are also filled with a heat and sound insulation layer.

[0014] In one embodiment, a tower-shaped sealant strip is arranged at the connection between the outer window sash and the hollow glass, and a long-tail sealant strip is arranged at the connection between the inner window sash and the hollow glass, one end of the long-tail sealant strip is overlapped on the C-shaped heat insulation strip.

[0015] In one embodiment, a flexible gasket is further arranged between the C-shaped heat insulation strip and the end of the hollow glass.

[0016] In one embodiment, the bottom of the outer sash is provided with a water droplet inclined surface extending in a direction away from the outer window frame, and the top of the outer window frame is provided with a water drainage inclined surface.

[0017] In one embodiment, the hollow glass is filled with 9mm krypton between two sub-glasses, and the spacing strip between the two sub-glasses is a warm edge strip.

[0018] The utility model has the advantages that:

[0019] Based on the existing aluminum alloy outer window structure, the heat transfer coefficient of the aluminum alloy outer window node is greatly reduced, for example, the heat transfer coefficient of the 70 series broken bridge aluminum outer window node can be reduced to 2.4W / ㎡·K, the heat transfer coefficient of the whole window is reduced to 1.5W / ㎡·K, the heat preservation capacity of the building is strengthened, the energy consumption of the building is greatly reduced, the improvement cost is low, and the utility model is widely applied in the market. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be described in more detail below based on the embodiments and with reference to the drawings.

[0021] Wherein:

[0022] Figure 1 The structure schematic diagram of the utility model is shown;

[0023] Figure 2 The structure schematic diagram of the utility model is shown Figure 1 The local amplification structure schematic diagram of A place in the middle is shown;

[0024] Figure 3 The structure schematic diagram of the long tail rubber strip of the utility model is shown;

[0025] Figure 4 The simulation result of the utility model is shown;

[0026] In the drawings, the same parts use the same reference numerals.The drawings are not in actual proportion.

[0027] Reference numerals:

[0028] 1-outer sash, 2-inner sash, 3-outer window frame, 4-inner window frame, 5-thermal insulation and sound insulation layer, 6-single cavity type heat insulation strip, 7-hollow glass, 8-second sealing rubber strip, 9-third sealing rubber strip, 10-flexible gasket, 11-warm edge strip, 12-long tail rubber strip, 13-tower-shaped rubber strip, 14-first sealing rubber strip, 15-C-shaped heat insulation strip, 16-ribbed heat insulation strip, 17-multicavity type heat insulation strip, 18-water droplet inclined surface, 19-water drainage inclined surface. DETAILED DESCRIPTION

[0029] The utility model will be described in more detail below based on the embodiments and with reference to the drawings.

[0030] The utility model provides a kind of high-performance broken bridge aluminum alloy outer window, as shown in figure Figure 1 It includes window frame, outer window sash 1, inner window sash 2 and hollow glass 7 being arranged between outer window sash 1 and inner window sash 2, window frame includes outer window frame 3 and inner window frame 4, outer window frame 3 is flush with outer window sash 1, inner window frame 4 is flush with inner window sash 2, first heat insulation component is arranged between outer window frame 3 and inner window frame 4, second heat insulation component is arranged between outer window sash 1 and inner window sash 2, first heat insulation component and second heat insulation component are equal width, and the width of both is not less than the width sum of outer window frame 3 and inner window frame 4;

[0031] It needs to be explained that, in the embodiment, the size of first heat insulation component between window frame and second heat insulation component between window sash is limited, i.e. as shown in figure Figure 1 The width of first heat insulation component and second heat insulation component is Hd, outer window frame 3 is flush with outer window sash 1, inner window frame 4 is flush with inner window sash 2, the width sum of outer window frame 3 and inner window frame 4 and the width sum of outer window sash 1 and inner window sash 2 are same, are Hw+Hn, i.e. Hd≥Hw+Hn, reduce the heat transfer efficiency of aluminum alloy outer window node, enhance the heat preservation effect of building;

[0032] In an embodiment, the design width of first heat insulation component and second heat insulation component should be as wide as possible under the premise of meeting the structural strength requirement, the greater the difference between Hd and (Hw+Hn), the better the thermal performance of outer window;

[0033] Specifically, as shown in figure Figure 1 The bottom one end of first sealing rubber strip 14 is connected with outer window frame 3, and its top is thrown up and contacts with outer window sash 1, inner window frame 4 and inner window sash 2 are overlapped by second sealing rubber strip 8, and the bottom one end of second sealing rubber strip 8 is connected with inner window frame 4, and its top is thrown up and contacts with inner window sash 2;

[0034] In an embodiment, as shown in figure Figure 1 First heat insulation component includes ribbed heat insulation strip 16 and multi-cavity heat insulation strip 17, and the two ends of ribbed heat insulation strip 16 and multi-cavity heat insulation strip 17 are respectively contacted with outer window frame 3 and inner window frame 4, second heat insulation component includes C-shaped heat insulation strip 15 and single-cavity heat insulation strip 6, and the two ends of C-shaped heat insulation strip 15 and single-cavity heat insulation strip 6 are respectively contacted with outer window sash 1 and inner window sash 2, and second heat insulation component is located between first heat insulation component and hollow glass 7;

[0035] Further, ribbed heat insulation strip 16 and multi-cavity heat insulation strip 17 and C-shaped heat insulation strip 15 and single-cavity heat insulation strip 6 are filled with heat preservation and sound insulation layer 5 between them;

[0036] It should be noted that the first heat insulation assembly and the second heat insulation assembly each include staggered heat insulation strips, and the heat insulation strips are filled with a heat preservation and sound insulation layer 5, further reducing the heat transfer coefficient of the aluminum alloy external window;

[0037] In one embodiment, the single-cavity heat insulation strip 6 of the second heat insulation assembly is arranged close to the ribbed heat insulation strip 16 of the first heat insulation assembly, and a third sealant strip 9 is arranged between the single-cavity heat insulation strip 6 and the ribbed heat insulation strip 16, and the third sealant strip 9 is located between the first sealant strip 14 and the second sealant strip 8;

[0038] Specifically, the side of the single-cavity heat insulation strip 6 close to the ribbed heat insulation strip 16 and the top of the third sealant strip 9 have mutually matching inclined contact surfaces, and the bottom of the third sealant strip 9 is connected to the external window frame 3 and the internal window frame 4 respectively;

[0039] It should be noted that, as shown in Figure 1 , the ribbed heat insulation strip 16 of the first heat insulation assembly is arranged close to the single-cavity heat insulation strip 6 of the second heat insulation assembly, the ribbed heat insulation strip 16 facilitates the installation of the third sealant strip 9 in contact with the single-cavity heat insulation strip 6, and the single-cavity heat insulation strip 6 and the third sealant strip 9 are overlapped with each other to form a sealed structure, further improving the heat preservation effect of the aluminum alloy external window;

[0040] In one embodiment, a tower-shaped sealant strip 13 is arranged at the connection between the external window sash 1 and the hollow glass 7, and a long-tail sealant strip 12 is arranged at the connection between the internal window sash 2 and the hollow glass 7, and one end of the long-tail sealant strip 12 is overlapped on the C-shaped heat insulation strip 15;

[0041] It should be noted that, as shown in Figure 1 , one end of the long-tail sealant strip 12 is overlapped with the C-shaped heat insulation strip 15 to divide the cavity between the internal window sash 2 and the internal window frame 4, further reducing the loss of indoor heat due to air flow and reducing building energy consumption;

[0042] Further, as shown in Figure 3 , the end of the long-tail sealant strip 12 connected to the C-shaped heat insulation strip 15 extends obliquely towards the hollow glass 7, i.e. further reducing the volume of the cavity formed by the hollow glass 7, the long-tail sealant strip 12 and the C-shaped heat insulation strip 15, and reducing the heat transfer coefficient of the aluminum alloy external window node;

[0043] In one embodiment, a flexible gasket 10 is further arranged between the C-shaped heat insulation strip 15 and the end of the hollow glass 7;

[0044] Specifically, the flexible gasket 10 is made of flexible polyvinyl chloride material;

[0045] In one embodiment, the heat preservation and sound insulation layer 5 is made of foamed polyurethane material;

[0046] In one embodiment, as shown in Figure 1 and Figure 2 As shown in the drawings, the bottom of the outer sash 1 is provided with a water droplet inclined surface 18, which extends obliquely from outside to inside away from the outer window frame 3, and the top of the outer window frame 3 is provided with a water drainage inclined surface 19, that is, the water droplet inclined surface 18 at the bottom of the outer sash 1 is located below the end close to the hollow glass 7 at the end away from the hollow glass 7, so that rainwater is prevented from approaching the hollow glass 7 as much as possible during rainfall, and the water droplet at the bottom of the outer window frame 3 is drained in time, that is, in rainy environment, the influence of the external environment on the indoor environment is greatly reduced, and the building energy consumption is reduced.

[0047] In one embodiment, the glass is selected to be 5low-e+9Kr+5 hollow glass 7, that is, the two pieces of sub-glass of the hollow glass 7 are filled with krypton gas, and the spacing strip between the two pieces of sub-glass is a warm edge strip 11.

[0048] In one embodiment, the gas in the hollow glass 7 is preferably 9mm krypton gas.

[0049] In one embodiment, the gas in the hollow glass 7 can also be 12mm argon gas.

[0050] In one embodiment, the first sealing glue strip 14, the second sealing glue strip 8 and the third sealing glue strip 9 are all three-component ethylene-propylene composite glue strips.

[0051] In one embodiment, as shown in the drawings, Figure 4 Through simulation calculation, taking a 70 series broken bridge aluminum outer window as an example, the heat transfer coefficient of the aluminum alloy outer window node is 2.4W / ㎡·K, and the whole window heat transfer coefficient is 1.5W / ㎡·K, so as to meet the higher energy saving demand.

[0052] In the description of the utility model, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0053] While the application has been described with reference to particular embodiments thereof, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present application. It will thus be appreciated that numerous modifications can be made to the illustrative embodiments and that other arrangements can be devised without departing from the spirit and scope of the present application as defined by the appended claims. It will be understood that the features described in relation to one embodiment can be used in combination with features described in relation to another embodiment.

Claims

1. A high performance broken bridge aluminum alloy exterior window characterized by, The window frame, the outer sash, the inner sash and the hollow glass arranged between the outer sash and the inner sash, the window frame comprises an outer window frame and an inner window frame, the outer window frame is flush with the outer sash, the inner window frame is flush with the inner sash, a first heat insulation assembly is arranged between the outer window frame and the inner window frame, a second heat insulation assembly is arranged between the outer sash and the inner sash, the first heat insulation assembly and the second heat insulation assembly are equal in width, and the width of the first heat insulation assembly and the second heat insulation assembly is not less than the sum of the width of the outer window frame and the width of the inner window frame.

2. The high-performance broken bridge aluminum alloy outer window according to claim 1, characterized in that, The outer window frame and the outer sash are overlapped with each other by a first sealant strip, and the inner window frame and the inner sash are overlapped with each other by a second sealant strip.

3. The high-performance broken bridge aluminum alloy exterior window according to claim 2, characterized in that, The first heat insulation assembly comprises a ribbed heat insulation strip and a multi-cavity heat insulation strip, the two ends of the ribbed heat insulation strip and the multi-cavity heat insulation strip are respectively in contact with the outer window frame and the inner window frame, the second heat insulation assembly comprises a C-shaped heat insulation strip and a single-cavity heat insulation strip, the two ends of the C-shaped heat insulation strip and the single-cavity heat insulation strip are respectively in contact with the outer sash and the inner sash, and the second heat insulation assembly is located between the first heat insulation assembly and the hollow glass.

4. The high-performance broken bridge aluminum alloy exterior window according to claim 3, characterized in that, The single-cavity heat insulation strip of the second heat insulation assembly and the ribbed heat insulation strip of the first heat insulation assembly are arranged close to each other, and a third sealant strip is arranged between the single-cavity heat insulation strip and the ribbed heat insulation strip, the third sealant strip is located between the first sealant strip and the second sealant strip.

5. A high performance broken bridge aluminum alloy exterior window according to claim 4, wherein, The side of the single-cavity heat insulation strip close to the ribbed heat insulation strip and the top of the third sealant strip have inclined contact surfaces that match each other, and the two ends of the bottom of the third sealant strip are respectively connected with the outer window frame and the inner window frame.

6. The high performance broken bridge aluminum alloy exterior window according to claim 3, characterized in that, The ribbed heat insulation strip and the multi-cavity heat insulation strip are filled with a heat preservation and sound insulation layer, and the C-shaped heat insulation strip and the single-cavity heat insulation strip are also filled with a heat preservation and sound insulation layer.

7. The high-performance broken bridge aluminum alloy exterior window according to claim 3, characterized in that, A tower-shaped sealant strip is arranged at the connection between the outer sash and the hollow glass, a long-tail sealant strip is arranged at the connection between the inner sash and the hollow glass, and one end of the long-tail sealant strip is overlapped on the C-shaped heat insulation strip.

8. The high-performance broken bridge aluminum alloy exterior window according to claim 7, characterized in that, A flexible gasket is further arranged between the C-shaped heat insulation strip and the end of the hollow glass.

9. The high performance broken bridge aluminum alloy exterior window according to claim 1, characterized in that, A water droplet inclined surface is arranged at the bottom of the outer sash, the water droplet inclined surface extends in a direction away from the outer window frame from outside to inside, and a water drainage inclined surface is arranged at the top of the outer window frame.

10. The high performance broken bridge aluminum alloy exterior window according to claim 2, wherein, Nine millimeter krypton is filled between two pieces of sub-glass of the hollow glass, and a warm edge strip is arranged between the two pieces of sub-glass.

Citation Information

Patent Citations

  • Broken bridge aluminum passive window

    CN116771252A