Novel broken bridge copper aluminum profile frame for doors and windows

Abstract

The utility model discloses a novel broken bridge copper aluminum profile frame for doors and windows, which comprises an inner frame edge, a middle frame edge, an outer frame edge and a broken bridge connecting piece, the inner frame edge is a copper profile made of brass, and the middle frame edge and the outer frame edge are aluminum profiles made of aluminum alloy; the inner frame edge is connected with the middle frame edge, and the middle frame edge is connected with the outer frame edge through a broken bridge connecting piece. During use, the middle frame edge is located indoors, and the outer frame edge is located outdoors. The Vickers hardness of brass can reach 130-165 HV, and compared with aluminum alloy, the hardness of copper has higher wind pressure resistance. The middle frame edge is made of brass, the wind pressure resistance of the door and window can be improved, more complex and dense patterns can be carved on the middle frame edge, and therefore the attractive degree of a product is improved. The outer frame edge located on the outdoor surface is still made of aluminum materials, so that the product cost can be well controlled, the market applicability is improved, the outdoor surface is a main drainage structure, and the extension performance of aluminum is relatively more suitable for design and production of a drainage structure.

Description

Technical Field

[0001] The utility model relates to the field of doors and windows, in particular to a novel thermally-insulated copper-aluminum profile frame for doors and windows. Background Art

[0002] Aluminum alloy is commonly used for doors and windows due to its ease of extrusion, light weight, and high strength. The "bridge" in the name "broken bridge aluminum" refers to the "cold and hot bridge" in materials science, while the "break" signifies action, meaning "breaking the bridge." Specifically, because aluminum alloy is a metal and conducts heat quickly, it acts as a "bridge" for heat transfer when there's a significant temperature difference between indoors and outdoors. This material, however, has poor thermal insulation properties when used in doors and windows. Broken bridge aluminum, on the other hand, is made by splitting the aluminum alloy in half and connecting the broken pieces with hard plastic. Plastic conducts heat much less well than metal, making it difficult for heat to pass through the entire material. This improves the material's thermal and sound insulation properties, hence the name "broken bridge aluminum (alloy)." Broken bridge aluminum profiles are commonly used in doors and windows. Broken bridge aluminum alloy doors and windows offer advantages such as thermal insulation, sound insulation, and excellent sealing.

[0003] Existing thermally insulated aluminum door and window frames typically consist of two aluminum profiles (an inner and outer functional layer). These are connected by a thermal insulation strip (a barrier layer). This insulation strip prevents heat transfer from the outer aluminum profile to the inner aluminum profile, providing insulation. However, the Webster hardness of aluminum 6063-T5 is relatively low, ranging from 8-12 HV (6-series aluminum has a Webster hardness of 8-16 HV), resulting in poor wind pressure resistance for these doors and windows. Brass, on the other hand, has a Webster hardness of 130-165 HV. In comparison, copper offers higher wind pressure resistance and is harder and more workable than aluminum. However, copper is more expensive and less ductile than aluminum. Summary of the Invention

[0004] The main purpose of the utility model is to provide a new type of thermally-insulated copper-aluminum profile frame for doors and windows, aiming to enhance the wind pressure resistance while taking into account the cost.

[0005] The utility model proposes a novel thermally-insulated copper-aluminum profile frame for doors and windows, comprising an inner frame edge, a middle frame edge, an outer frame edge and a thermally-insulated connector. The inner frame edge is a copper profile made of brass, and the middle frame edge and the outer frame edge are aluminum profiles made of aluminum alloy. The inner frame edge is connected to the middle frame edge, and the middle frame edge and the outer frame edge are connected via the thermally-insulated connector.

[0006] Preferably, the inner frame side and the middle frame side are plugged into each other on both sides of the opposite surfaces in the length direction through a plug-in structure, and a fixed connecting piece is provided for pressing the plug-in structure;

[0007] The plug-in structure has an abutment structure that limits the horizontal abutment of the inner frame edge and the middle frame edge in the width direction, and the abutment structure prevents the inner frame edge and the middle frame edge from being horizontally separated from each other in the width direction; the fixed connecting piece prevents the inner frame edge and the middle frame edge from being separated from each other in the height direction.

[0008] Preferably, the plug-in structure includes a first plug-in slot open along the length direction and a first plug-in strip plugged and assembled with the first plug-in slot, one of the first plug-in slot and the first plug-in strip is arranged on the edge of the middle frame, and the other is arranged on the edge of the inner frame; the first plug-in strip is inserted into the first plug-in slot from the end of the first plug-in slot along the length direction.

[0009] Preferably, the first plug-in slot includes a blocking portion for blocking the first plug-in strip from being pulled out horizontally in the width direction, and the side wall of the first plug-in strip abuts against the blocking portion in a horizontal position in the width direction to form the abutment structure.

[0010] Preferably, second plug-in slots are formed on both sides of the opposite surfaces between the inner frame edge and the middle frame edge, located in front of the plug-in structure, and the fixed connecting piece is plugged into the second plug-in slot, and the fixed connecting piece is pressed on the first plug-in strip; the second plug-in slot is composed of component one located on the inner frame edge and component two located on the middle frame edge.

[0011] Preferably, the thermal bridge connector includes at least two connecting rubber strips, and the middle frame edge and the outer frame edge are provided with snap-in grooves on both sides of the opposite surfaces along the length direction. The two opposite snap-in grooves on the same side form a snap-in groove group, and the two sides of the connecting rubber strip are provided with snap-in parts adapted to the snap-in grooves. The two connecting rubber strips are respectively connected to the two snap-in groove groups through the snap-in parts, so that the middle frame edge, the thermal bridge connector and the outer frame edge are connected.

[0012] Preferably, the cross-sections of the clamping groove and the clamping portion are dovetail-shaped.

[0013] Preferably, it also includes a wire pressing seat and a wire pressing cover arranged on the wire pressing seat, the inner frame edge and the middle frame edge are combined to form an inner frame edge assembly, and the wire pressing seat is arranged on the inner frame edge assembly; the outer side of the outer frame edge has a glass limiting wall extending upward, and the glass limiting wall and the wire pressing cover form a glass installation position for installing glass.

[0014] Preferably, the wire pressing seat and the wire pressing cover are made of brass.

[0015] The beneficial effects of the new thermally-insulated copper-aluminum profile frame for doors and windows of the utility model are:

[0016] 1. By using an inner frame made of copper, better wind resistance can be achieved, and more complex and dense patterns can be engraved on the inner frame, thereby improving the aesthetics of the product.

[0017] 2. By using the middle frame and outer frame made of aluminum, due to the better ductility of aluminum, better drainage performance can be achieved at low cost.

[0018] 3. Use a combination of copper and aluminum to maximize the material properties of both. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a casement window in an embodiment of the present utility model.

[0020] Figure 2 This is a cross-sectional schematic diagram of the combination of the inner frame edge and the middle frame edge of the new thermally-insulated copper-aluminum profile frame in an embodiment of the present utility model.

[0021] Figure 3 This is a schematic cross-sectional view of the outer frame edge of the novel thermally-insulated copper-aluminum profile frame in an embodiment of the present utility model.

[0022] Figure 4 This is a schematic cross-sectional view of a novel thermally-insulated copper-aluminum profile frame in an embodiment of the present utility model.

[0023] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0025] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0026] Reference Figures 1 to 4 , an embodiment of the new thermally-insulated copper-aluminum profile frame for doors and windows of the present invention is proposed:

[0027] A new thermally-insulated copper-aluminum profile frame for doors and windows comprises an inner frame edge 1, a middle frame edge 2, an outer frame edge 3, and thermally-insulated connectors. The inner frame edge 1 is connected to the middle frame edge 2, which in turn is connected to the outer frame edge 3 via the thermally-insulated connectors. The thermally-insulated connectors block the conduction of heat and sound between the middle frame edge 2 and the outer frame edge 3, achieving thermal insulation, sound insulation, and noise reduction. The inner frame edge 1 is a brass copper profile, while the middle frame edge 2 and the outer frame edge 3 are aluminum alloy profiles. When in use, the middle frame edge 2 is located indoors, while the outer frame edge 3 is located outdoors. Brass has a Webster hardness of 130-165 HV. Compared to aluminum alloy, copper's hardness provides higher wind resistance. The use of brass for the middle frame edge 2 improves the wind resistance of doors and windows and allows for the engraving of more complex and intricate patterns, enhancing the product's aesthetics.

[0028] The outer frame edge 3 located on the outdoor surface is still made of aluminum, which can better control product costs and increase market applicability. In addition, the outdoor surface is the main structure for drainage, and the elongation performance of aluminum is relatively more suitable for the design and production of drainage structures.

[0029] The inner frame side 1 and the middle frame side 2 are connected to each other on opposite sides of the longitudinal direction via a plug-in structure, and a fixed connecting piece 5 is provided to press the plug-in structure. The plug-in structure includes an abutment structure that defines the horizontal abutment between the inner frame side 1 and the middle frame side 2 in the width direction, preventing the inner frame side 1 and the middle frame side 2 from separating horizontally in the width direction; the fixed connecting piece 5 prevents the inner frame side 1 and the middle frame side 2 from separating in the height direction.

[0030] The plug-in structure includes a first plug-in slot 21 that opens along its length and a first plug-in strip 11 that plugs into and assembles with the first plug-in slot 21. The first plug-in strip 11 is provided on the inner frame side 1, while the first plug-in slot 21 is provided on the middle frame side 2. The first plug-in strip 11 is inserted into the first plug-in slot 21 along its length from the end. This facilitates assembly of the middle frame side 2 and the inner frame side 1.

[0031] The first plug-in slot 21 includes a blocking portion 22 that blocks the first plug-in strip 11 from being pulled out horizontally in the width direction. The side wall of the first plug-in strip 11 abuts against the blocking portion 22 in the horizontal position in the width direction to form an abutment structure. The blocking portion 22 blocks the first plug-in strip 11 from being pulled out horizontally in the width direction.

[0032] Second insertion slots 10 are formed on opposite sides of the opposing surfaces between inner frame side 1 and middle frame side 2, located in front of the insertion structure. Second insertion slot 10 consists of component 1 on inner frame side 1 and component 2 on middle frame side 2. Components 1 and 2 are U-shaped and face each other. A fixed connecting piece 5 is inserted into second insertion slot 10 and presses against first insertion strip 11, preventing it from being removed from the longitudinal opening of first insertion slot 21. This prevents inner frame side 1 and middle frame side 2 from separating in height, thus ensuring a secure connection between the two sides.

[0033] The thermal bridge connector includes two connecting rubber strips 4. Snap-in grooves 23 and 31 are provided on both sides of the opposite surfaces of the middle frame edge 2 and the outer frame edge 3 along the length direction. The two opposite snap-in grooves 23 and 31 on the same side of the middle frame edge 2 and the outer frame edge 3 form a snap-in groove group. Snap-in portions 41 adapted to the snap-in grooves are provided on both sides of the connecting rubber strip 4. The snap-in portion 41 on one side of the connecting rubber strip 4 is snapped into the snap-in groove 23 on the middle frame edge 2, and the snap-in portion 41 on the other side is snapped into the snap-in groove 31 on the outer frame edge 3. The two connecting rubber strips 4 are respectively connected to the two snap-in groove groups through the snap-in portions 41, so that the middle frame edge 2, the thermal bridge connector and the outer frame edge 3 are connected, and assembly is convenient.

[0034] The cross-sections of the clamping groove 23 , the clamping groove 31 and the clamping portion 41 are dovetail-shaped, and the two are not easily separated after being combined, and the structure is stable.

[0035] The middle frame edge 2 and the outer frame edge 3 are provided with openings on the opposite sides along the length direction. The two openings and the two connecting strips 4 are surrounded by a slot 20. The slot 20 is located between the two sets of snap-in slots. Inserting a barrier strip into the slot 20 can enhance the heat and sound insulation effect.

[0036] The inner frame edge 1 and the middle frame edge 2 are combined to form an inner frame edge assembly, a wire pressing seat 6 is provided on the inner frame edge assembly, and a wire pressing cover 7 is provided on the wire pressing seat 6. The wire pressing seat 6 and the wire pressing cover 7 are made of brass. Figure 4 As shown, the wire pressing seat 6 and the wire pressing cover 7 are connected by plugging. The outer side of the outer frame 3 has a glass retaining wall 32 extending upward. The glass retaining wall 32 and the wire pressing cover 7 form a glass mounting position for mounting glass 8. When assembled with the glass of the door or window, the glass 8 is installed in the glass mounting position, and a seal is installed between the glass 8 and the wire pressing cover 7, and between the glass 8 and the glass retaining wall 32.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformation made using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A new type of thermally-insulated copper-aluminum profile frame for doors and windows, characterized in that: The invention comprises an inner frame edge, a middle frame edge, an outer frame edge and a thermal break connector. The inner frame edge is a copper profile made of brass, and the middle frame edge and the outer frame edge are aluminum profiles made of aluminum alloy. The inner frame edge is plugged into the middle frame edge, and the middle frame edge and the outer frame edge are connected by the thermal break connector.

2. The new thermally-insulated copper-aluminum profile frame for doors and windows according to claim 1 is characterized in that: The inner frame side and the middle frame side are plugged into each other on both sides of the opposite sides in the length direction through a plug-in structure, and a fixed connecting piece is provided for pressing the plug-in structure; The plug-in structure has an abutment structure that limits the horizontal abutment of the inner frame edge and the middle frame edge in the width direction, and the abutment structure prevents the inner frame edge and the middle frame edge from being horizontally separated from each other in the width direction; the fixed connecting piece prevents the inner frame edge and the middle frame edge from being separated from each other in the height direction.

3. The new thermally-insulated copper-aluminum profile frame for doors and windows according to claim 2 is characterized in that: The plug-in structure includes a first plug-in slot open along the length direction and a first plug-in strip plugged and assembled with the first plug-in slot, one of the first plug-in slot and the first plug-in strip is arranged on the edge of the middle frame, and the other is arranged on the edge of the inner frame; the first plug-in strip is inserted into the first plug-in slot from the end of the first plug-in slot along the length direction.

4. The new thermally-insulated copper-aluminum profile frame for doors and windows according to claim 3 is characterized in that: The first plug-in slot includes a blocking portion that blocks the first plug-in strip from being pulled out horizontally in the width direction, and the side wall of the first plug-in strip abuts against the blocking portion in a horizontal position in the width direction to form the abutment structure.

5. The new thermally-insulated copper-aluminum profile frame for doors and windows according to claim 4 is characterized in that: Second plug-in slots are formed on both sides of the opposite surfaces between the inner frame edge and the middle frame edge, located in front of the plug-in structure. The fixed connecting piece is plugged into the second plug-in slot, and the fixed connecting piece is pressed on the first plug-in strip. The second plug-in slot is composed of component one located on the inner frame edge and component two located on the middle frame edge.

6. The novel thermally-insulated copper-aluminum profile frame for doors and windows according to any one of claims 1 to 5, characterized in that: The thermal bridge connector includes at least two connecting rubber strips, and the middle frame edge and the outer frame edge are provided with clamping grooves on both sides of the opposite surfaces along the length direction. The two opposite clamping grooves on the same side form a clamping groove group. The two sides of the connecting rubber strip are provided with clamping parts adapted to the clamping grooves. The two connecting rubber strips are respectively connected to the two clamping groove groups through the clamping parts, so that the middle frame edge, the thermal bridge connector, and the outer frame edge are connected.

7. The new thermally-insulated copper-aluminum profile frame for doors and windows according to claim 6 is characterized in that: The cross sections of the clamping groove and the clamping portion are dovetail-shaped.

8. The novel thermally-insulated copper-aluminum profile frame for doors and windows according to any one of claims 1 to 5, characterized in that: It also includes a wire pressing seat and a wire pressing cover arranged on the wire pressing seat. The inner frame edge and the middle frame edge are combined to form an inner frame edge assembly. The wire pressing seat is arranged on the inner frame edge assembly. The outer side of the outer frame edge has a glass limiting wall extending upward. The glass limiting wall and the wire pressing cover form a glass installation position for installing glass.

9. The new thermally-insulated copper-aluminum profile frame for doors and windows according to claim 8, characterized in that: The wire pressing seat and the wire pressing cover are made of brass.

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