Outward-opening window broken bridge heat insulation structure

Abstract

The utility model relates to the technical field of out-opening windows, in particular to an out-opening window broken bridge heat insulation structure which comprises PE foam which is tightly attached to the end face of the side end of hollow glass, located on a window sash profile and used for isolating the end face of the side end of the hollow glass from the groove bottom of an installation groove for installing the hollow glass. One side of the first foaming polyurethane layer is attached to the side, back to the hollow glass, of the PE foam, a distance is formed between the opposite side of the first foaming polyurethane layer and the window frame profile after the window is closed, and the first foaming polyurethane layer is fixed in a first through groove penetrating through the bottom of the mounting groove and the outer wall of the window sash profile on the window sash profile; the first sealing rubber strip is connected to the window frame profile, right faces the first foaming polyurethane layer and is used for being in seamless compression joint with the first foaming polyurethane layer after the window is closed. The PE foam and the foaming polyurethane layer are utilized, so that the heat insulation performance of the out-opening window broken bridge heat insulation structure is far better than that of a traditional broken bridge.

Description

TECHNICAL FIELD

[0001] The utility model relates to a casement window technical field, especially a kind of casement window broken bridge heat insulation structure. BACKGROUND

[0002] Casement window belongs to one of casement window, its sash (outward opening fan) can be opened to outdoor relative to window frame main body, can give indoor more space, avoid the injury of the body part of person due to bumping into window angle when person is active in indoor.Casement window is widely used in indoor space narrow ordinary low-level civilian house, office place and so on.

[0003] In prior art, traditional broken bridge type aluminum alloy window is generally used for casement window, the principle of traditional broken bridge is that PA66 nylon separates and tightly connects two layers of aluminum alloy to form a whole, to form a new heat insulation type aluminum profile.The heat insulation coefficient of traditional broken bridge is about 0.25W / K.m, under the situation that maximum energy-saving effect is needed today, the heat insulation performance of traditional broken bridge is obviously backward, and better broken bridge heat insulation structure is needed. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a kind of casement window broken bridge heat insulation structure to solve the problem of poor heat insulation performance of traditional broken bridge.

[0005] The utility model provides a kind of casement window broken bridge heat insulation structure, comprising:

[0006] PE bubble cotton is closely arranged on the side end face of hollow glass, and is located on the bottom of the installation groove of the sash profile for installing hollow glass, for isolating the side end face of hollow glass and the bottom of the installation groove;

[0007] The first foamed polyurethane layer is fixed in the first through groove of the sash profile, and the opposite side has a distance between the window frame profile after closing the window;

[0008] The first sealing rubber strip is connected to the window frame profile and opposite to the first foamed polyurethane layer, for seamless pressure bonding with the first foamed polyurethane layer after closing the window.

[0009] Optionally, it further comprises a second foamed polyurethane layer, which is fixed on the window frame profile and opposite to the first foamed polyurethane layer, and the first sealing rubber strip is connected to the second foamed polyurethane layer.

[0010] Optionally, the second through groove is arranged on the window frame profile for accommodating the second foamed polyurethane layer, the second through groove penetrates through the opposite two side walls of the window frame profile, and the second foamed polyurethane layer is provided with a cavity opposite to the first foamed polyurethane layer side.

[0011] Optionally, a second sealing strip is arranged on the first flash of the sash profile extending upward toward the outdoor side, and the second sealing strip is pressed against the frame profile by the first flash after the window is closed.

[0012] Optionally, a third sealing strip is arranged on the second flash of the frame profile extending downward toward the indoor side, and the third sealing strip is pressed against the sash profile by the second flash after the window is closed.

[0013] Optionally, the second sealing strip and the first sealing strip form a first heat insulation cavity with the frame profile, the sash profile and the first flash after the window is closed, and the third sealing strip and the first sealing strip form a second heat insulation cavity with the frame profile, the sash profile and the second flash.

[0014] Optionally, the first sealing strip is provided with a first pressing part, a second pressing part and a third pressing part arranged in sequence from the indoor side to the outdoor side toward the first foamed polyurethane layer;

[0015] The first foamed polyurethane layer is provided with a first step surface, a second step surface and a third step surface arranged in sequence from the indoor side to the outdoor side toward the first sealing strip, and the first step surface and the second step surface have a first transition surface therebetween, and the third step surface and the second step surface have a second transition surface therebetween;

[0016] The first pressing part is used for pressing against the first step surface and / or the first transition surface;

[0017] The second pressing part is used for pressing against the second step surface;

[0018] The third pressing part is used for pressing against the third step surface and / or the second transition surface.

[0019] Optionally, the second step surface is a slope surface, which is closer to the hollow glass on the indoor side than on the outdoor side.

[0020] Optionally, the first pressing part is a protrusion on the surface of the first sealing strip, the second pressing part and the third pressing part are protrusions on the surface of the first sealing strip, and the first sealing strip is provided with a plurality of strip-shaped holes extending in the length direction thereof from the indoor side to the outdoor side.

[0021] Optionally, the second foamed polyurethane layer is provided with a clamping groove with a smaller opening than the interior on the surface thereof toward the first foamed polyurethane layer, and a clamping buckle protruding on the surface of the first sealing strip is clamped in the clamping groove, and a clamping block protruding on the first sealing strip is located on the adjacent side surface of the first sealing strip, and the frame profile has a groove for the clamping block to be inserted and matched.

[0022] The technical scheme of the utility model has the following advantages:

[0023] 1. The hollow glass is separated from the mounting groove bottom of the sash profile by PE foam, direct heat transfer between the hollow glass and the sash profile is avoided; the first foamed polyurethane layer contacts most of the surface of the PE foam, the contact area of the PE foam and the sash profile is reduced, the heat exchange efficiency between the PE foam and the sash profile is reduced; the first sealing rubber strip directly contacts the first foamed polyurethane layer to realize sealing when the window is closed, the direct contact between the first foamed polyurethane layer and the window frame profile is replaced, direct heat exchange between the first foamed polyurethane layer and the window frame profile is avoided; the heat insulation coefficient of the foamed solid polyurethane is 0.062 W / K.m, the heat insulation coefficient of the PE foam is 0.04 W / K.m, the above structure arrangement makes the heat insulation performance of the outer opening window broken bridge heat insulation structure far exceed the traditional broken bridge.

[0024] 2. The first sealing rubber strip is installed on the second foamed polyurethane layer on the window frame profile, heat transfer from the first foamed polyurethane layer to the window frame profile through the first sealing rubber strip is avoided, the heat insulation performance of the broken bridge is further improved.

[0025] 3. The second foamed polyurethane layer is provided with a cavity on the side opposite to the first foamed polyurethane layer, the cavity separates the second foamed polyurethane layer and the inner wall (or wall body) of the window frame profile, the cavity reduces the heat transfer efficiency between the second foamed polyurethane layer and the window frame profile (or wall body), the heat insulation performance of the broken bridge is further improved.

[0026] 4. The second sealing rubber strip is pressed between the flash of the sash profile outside and the window frame profile, and the third sealing rubber strip is pressed between the flash of the window frame profile inside and the sash profile, thereby forming heat insulation cavities on both sides of the broken bridge, the heat insulation performance of the broken bridge is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, other related drawings can also be obtained according to these drawings.

[0028] Figure 1 It is the front view of the casement window in the embodiment.

[0029] Figure 2 It is Figure 1 The longitudinal section view of

[0030] Figure 3 It is Figure 2Enlarged view of the first foamed polyurethane layer and the first sealant strip.

[0031] In the figure: hollow glass 1, window frame profile 2, second through groove 21, cavity 22, second flash 23, window sash profile 3, mounting groove 31, first through groove 32, first flash 33, PE foam 4, first foamed polyurethane layer 5, first step surface 51, second step surface 52, third step surface 53, first transition surface 54, second transition surface 55, groove 56, first sealant strip 6, first pressing part 61, second pressing part 62, third pressing part 63, strip-shaped hole 64, T-shaped buckle 65, partition plate 66, clamping block 67, second foamed polyurethane layer 7, clamping groove 71, second sealant strip 8, third sealant strip 9, first heat insulation cavity 10, second heat insulation cavity 11. DETAILED DESCRIPTION

[0032] The specific embodiments of the present application will be described below in detail with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the description of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Unless otherwise explicitly specified and limited, the terms "arranged", "mounted", "connected" and the like should be broadly understood, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0034] The terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of description and simplification of 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, and therefore cannot be understood as a limitation on the present application.

[0035] The terms "first", "second", "third" and the like are only for distinguishing similar attributes of elements, and do not indicate or imply relative importance or a particular order.

[0036] The terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, in addition to including the listed elements, other elements not explicitly listed can also be included.

[0037] Please refer to Figure 1 andFigure 2 The utility model embodiment provides a kind of outside opening window broken bridge heat insulation structure, including PE bubble cotton 4 and first foamed polyurethane layer 5 being installed on sash section bar 3, and second foamed polyurethane layer 7 and first sealant strip 6 being installed on window frame section bar 2.

[0038] Please refer to Figure 2 Sash section bar 3 has installation groove 31 for inserting type installation hollow glass 1 on it, after hollow glass 1 is inserted and installed in installation groove 31, the gap of hollow glass 1 front, rear side and the inner wall of installation groove 31 is filled with sealant, the space contented with the side end face of hollow glass 1 and the groove bottom wall of installation groove 31 is inlaid with PE bubble cotton 4, PE bubble cotton 4 is tightly attached to the side end face of hollow glass 1, and PE bubble cotton 4 is used to isolate the side end face of hollow glass 1 and the groove bottom of installation groove 31.

[0039] First through groove 32 is provided on sash section bar 3 along the length extension direction of hollow glass 1, and first through groove 32 penetrates the groove bottom of installation groove 31 and the outer wall of sash section bar 3, and first foamed polyurethane layer 5 is filled in first through groove 32 by foaming solid polyurethane process; one side of first foamed polyurethane layer 5 is attached to the side of PE bubble cotton 4 away from hollow glass 1, and the opposite side is not in contact with window frame section bar 2 and keeps a certain distance after window closing; the slot opening of first through groove 32 towards hollow glass 1 is completely covered by PE bubble cotton 4, first foamed polyurethane layer 5 is seamlessly attached to PE bubble cotton 4, and PE bubble cotton 4 can be used as the bottom template when first foamed polyurethane layer 5 is foamed and formed.

[0040] Second through groove 21 is provided on window frame section bar 2 opposite first foamed polyurethane layer 5, and second through groove 21 penetrates the opposite two side walls of window frame section bar 2, and second foamed polyurethane layer 7 is filled in second through groove 21 by foaming solid polyurethane process, and second foamed polyurethane layer 7 is also opposite first foamed polyurethane layer 5 and has the same length extension direction; the side of second foamed polyurethane layer 7 away from first foamed polyurethane layer 5 is provided with cavity 22, if window frame section bar 2 has multiple layers, cavity 22 separates second foamed polyurethane layer 7 from the inner wall of window frame section bar 2, and if window frame section bar 2 has only single layer, cavity 22 separates second foamed polyurethane layer 7 from wall.

[0041] First sealant strip 6 is attached to second foamed polyurethane layer 7 away from first foamed polyurethane layer 5, and the surface of second foamed polyurethane layer 7 towards first foamed polyurethane layer 5 is provided with clamping groove 71 with small mouth and large interior, and T-shaped buckle 65 protruding on the surface of first sealant strip 6 is clamped in clamping groove 71; clamping block 67 is also protruding and formed on first sealant strip 6, and clamping block 67 and T-shaped buckle 65 are respectively located on the adjacent side of first sealant strip 6, and window frame section bar 2 has groove for cooperating and inserting clamping block 67.

[0042] Further, please refer to Figure 3, the first sealing rubber strip 6 is provided with a first pressing part 61, a second pressing part 62 and a third pressing part 63 from inside to outside in sequence on the side of the first foamed polyurethane layer 5; the first foamed polyurethane layer 5 is provided with a first step surface 51, a second step surface 52 and a third step surface 53 from inside to outside in sequence on the side of the first sealing rubber strip 6, and the first step surface 51 and the second step surface 52 are provided with a first transition surface 54, and the third step surface 53 and the second step surface 52 are provided with a second transition surface 55; the first pressing part 61 is used for pressing the first step surface 51 and / or the first transition surface 54, preferably the first pressing part 61 does not contact the first step surface 51 and is used for pressing the first transition surface 54; the second pressing part 62 is used for pressing the second step surface 52; please refer to Figure 3 and Figure 2 , the third pressing part 63 is used for pressing the third step surface 53 and / or the second transition surface 55, preferably the second transition surface 55 and the third step surface 53 form a groove 56 with the edge of the second through groove 21, and the third pressing part 63 is clamped in the groove 56 after the window is closed.

[0043] Further, please refer to Figure 3 and Figure 2 , the second step surface 52 is an inclined surface, which is closer to the hollow glass 1 on the indoor side than on the outdoor side; the first pressing part 61 is a protrusion on the surface of the first sealing rubber strip 6 in the direction of the first foamed polyurethane layer 5, and the second pressing part 62 and the third pressing part 63 are both tabs protruding from the surface of the first sealing rubber strip 6 in the direction of the first foamed polyurethane layer 5.

[0044] Further, the first sealing rubber strip 6 is provided with a plurality of strip-shaped holes 64 extending in the length direction from inside to outside; the partition plate 66 between adjacent strip-shaped holes 64 is connected to the tab-shaped third pressing part 63 or the tab-shaped second pressing part 62 as a whole plate; the tab-shaped first pressing part 61 can also be designed to be hollow inside.

[0045] Further, please refer to Figure 2 , the sash profile 3 extends upward on the outdoor side and has a first flash 33, and the indoor side of the first flash 33 is provided with a slot, and the second sealing rubber strip 8 is inserted into the slot and protrudes partially outside the slot for pressing the window frame profile 2 after the window is closed; the window frame profile 2 extends downward on the indoor side and has a second flash 23, and the outdoor side of the second flash 23 is provided with a slot, and the third sealing rubber strip 9 is inserted into the slot and protrudes partially outside the slot for pressing the sash profile 3 after the window is closed.

[0046] Please refer to Figure 2 and Figure 3When closing the window, the hollow glass 1 and the sash profile 3 move to the indoor direction, the first foamed polyurethane layer 5 pushes the third pressing part 63 and the second pressing part 62 in turn, the end of the third pressing part 63 and the second pressing part 62 is bent and then slides on the second step surface 52 of the first foamed polyurethane layer 5, until the first transition surface 54 is seamlessly connected to the side end of the first pressing part 61, the second pressing part 62 is seamlessly connected to the second step surface 52, the third pressing part 63 is seamlessly connected in the groove 56, the third sealing rubber strip 9 is pressed on the sash profile 3 by the second flash 23, and the second sealing rubber strip 8 is pressed on the window frame profile 2 by the first flash 33.

[0047] After closing the window, the second sealing rubber strip 8 and the first sealing rubber strip 6 form the first heat insulation cavity 10 by surrounding the window frame profile 2, the sash profile 3 and the first flash 33, and the third sealing rubber strip 9 and the first sealing rubber strip 6 form the second heat insulation cavity 11 by surrounding the window frame profile 2, the sash profile 3 and the second flash 23.

[0048] When opening the window, the hollow glass 1 and the sash profile 3 move to the outdoor direction, the second transition surface 55 pushes the third pressing part 63 to make it bend and then get out of the groove 56, the second pressing part 62 slides along the second step surface 52 and separates from the first foamed polyurethane layer 5, the second sealing rubber strip 8 actively separates from the window frame profile 2, and the sash profile 3 actively separates from the third sealing rubber strip 9.

[0049] In summary, the technical scheme of the utility model has the following advantages:

[0050] The PE foam 4 separates the hollow glass 1 from the groove bottom of the mounting groove 31 on the sash profile 3, avoiding direct heat transfer between the hollow glass 1 and the sash profile 3, the first foamed polyurethane layer 5 contacts most of the surface of the PE foam 4, reducing the contact area between the PE foam 4 and the sash profile 3, thereby reducing the heat exchange efficiency between the PE foam 4 and the sash profile 3, the first sealing rubber strip 6 directly contacts the first foamed polyurethane layer 5 to achieve sealing when closing the window, replacing the direct contact between the first foamed polyurethane layer 5 and the window frame profile 2, and avoiding direct heat exchange between the first foamed polyurethane layer 5 and the window frame profile 2, the heat insulation coefficient of the foamed solid polyurethane is 0.062 W / K.m, the heat insulation coefficient of the PE foam 4 is 0.04 W / K.m, and the above structure arrangement makes the heat insulation performance of the external opening window broken bridge heat insulation structure far exceed that of the traditional broken bridge.

[0051] The first sealing rubber strip 6 is installed on the second foamed polyurethane layer 7 on the window frame profile 2, avoiding heat transfer from the first foamed polyurethane layer 5 to the window frame profile 2 through the first sealing rubber strip 6, and further improving the heat insulation performance of the broken bridge.

[0052] The second foamed polyurethane layer 7 is provided with a cavity 22 on the side opposite to the first foamed polyurethane layer 5, the cavity 22 separates the second foamed polyurethane layer 7 from the inner wall of the window frame profile 2 (or the wall body), the cavity 22 reduces the heat transfer efficiency between the second foamed polyurethane layer 7 and the window frame profile 2 (or the wall body), thereby further improving the heat insulation performance of the broken bridge.

[0053] The second sealing rubber strip 8 is pressed between the flash of the window sash profile 3 outside and the window frame profile 2, and the third sealing rubber strip 9 is pressed between the flash of the window frame profile 2 inside and the window sash profile 3, thereby forming a heat insulation cavity on both sides of the broken bridge, further improving the heat insulation performance of the broken bridge.

[0054] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An out-swinging window thermal break structure, characterized in that, The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile.

2. The thermal break structure of claim 1, wherein, The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile.

3. The thermal break structure of claim 2, wherein, The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile.

4. The thermal break structure of claim 1, wherein, The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile.

5. The thermal break structure of claim 4, wherein, The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile.

6. The thermal break structure of claim 5, wherein, The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile.

7. The structure according to any one of claims 1 to 6, wherein The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile.

8. The thermal break structure of claim 7, wherein, The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile.

9. The thermal break structure of claim 7, wherein, The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. The utility model relates to a window frame profile and a sash profile, and a hollow glass is arranged between the window frame profile and the sash profile. 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10. The thermal break structure of claim 2, wherein, The second foamed polyurethane layer is provided with a clamping groove with a smaller opening at the surface facing the first foamed polyurethane layer, and the first sealant strip is provided with a clasp protruding from the surface and clamped in the clamping groove; the first sealant strip is further provided with a clamping block protruding therefrom, and the clamping block and the clasp are located on the adjacent sides of the first sealant strip, respectively; and the window frame profile is provided with a groove for the clamping block to be inserted and clamped.

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