Curtain wall heat insulation broken bridge structure

Abstract

The utility model relates to ultra -low energy -conserving energy -saving curtain wall processing technical field especially, a kind of curtain wall heat insulation bridge structure, including outdoor side section bar, indoor side section bar, polyurethane hard bubble and connecting piece;The central polyurethane hard bubble is arranged in the gap between outdoor side section bar and indoor side section bar, and the end of glass is arranged in the two sides of gap, and there is gap between polyurethane hard bubble and the end of glass of two sides;Indoor side section bar is provided with boss in the protrusion towards gap, and first limiting structure limiting one end of polyurethane hard bubble is arranged between boss and polyurethane hard bubble, and second limiting structure limiting other end of polyurethane hard bubble is arranged on outdoor side section bar.The utility model solves the problem that more parts are needed in prior art, and recessed and protruding buckle structure is needed on most parts, which leads to higher production cost, lower installation efficiency and increased labor cost.

Description

Technical Field

[0001] This utility model relates to the field of ultra-low energy consumption and energy-saving curtain wall processing technology, and in particular to a curtain wall thermal insulation broken bridge structure. Background Technology

[0002] Currently, the materials used in split thermal insulation structures for curtain walls on the market include: PE cotton (polyethylene material), PA66 (nylon) + 25% glass fiber, PVC thermal insulation strip (polyvinyl chloride material), polyurethane, and polyurethane and PA66 composites.

[0003] PVC thermal break strips have a slightly higher thermal conductivity (0.16~0.17 W / km) but poorer weather resistance and aging resistance. PA66+25% glass fiber has a relatively high thermal conductivity (0.25~0.35 W / km), but insufficient structural strength, making it prone to deformation under pressure, and it is also water-absorbing. PE cotton has a low thermal conductivity (0.035~0.06 W / km), but it is relatively soft, deforms more under pressure, is more difficult to install, and has poor compatibility with adhesives. Based on these factors, more and more thermal break structures are using polyurethane or polyurethane-nylon composites.

[0004] The patent with publication number CN220565519U proposes a polyurethane thermal break ultra-low energy consumption curtain wall profile, which discloses that PU polyurethane composite nylon 66 thermal insulation bridges are snapped together at the middle of the upper end of the aluminum alloy profile and the middle of the lower end of the outdoor aluminum cover plate, and PU polyurethane rigid foam is set between the two PU polyurethane composite nylon 66 thermal insulation bridges.

[0005] The aforementioned polyurethane thermal break ultra-low energy consumption curtain wall profile uses a PU rigid foam with grooved snap-fit ​​structure on both sides to connect to a PU polyurethane composite nylon 66 thermal bridge. One side of the PU polyurethane composite nylon 66 thermal bridge is fixed by screws on the outdoor aluminum cover plate, while the other side is connected to the aluminum alloy profile via two micro-foamed PVC profiled strips. In actual production and construction, the need for multiple components—thermal bridges, rigid polyurethane foam, micro-foamed PVC profiled strips, outdoor aluminum cover plate, and aluminum alloy profile—and the requirement for each component to have a convex-concave snap-fit ​​structure, results in high production costs and numerous installation steps, leading to low installation efficiency and increased labor costs. Utility Model Content

[0006] In view of this, the present invention provides a thermal break structure for curtain walls, which aims to solve the problems of high production costs, low installation efficiency, and increased labor costs caused by the large number of components in the existing thermal break structure for curtain walls, and the need to form concave and convex snap-fit ​​structures on most components.

[0007] To solve the above problems, the present invention provides a thermal break structure for curtain walls, including an outdoor profile, an indoor profile, rigid polyurethane foam, and connectors. The rigid polyurethane foam is disposed in the center of the gap formed between the outdoor profile and the indoor profile, and glass ends are disposed on both sides of the gap. There is a gap between the rigid polyurethane foam and the glass ends on both sides. The indoor profile has a boss protruding into the gap, and a first limiting structure is provided between the boss and the rigid polyurethane foam to limit one end of the rigid polyurethane foam. The outdoor profile has a second limiting structure to limit the other end of the rigid polyurethane foam. The connectors are used to connect the outdoor profile and the indoor profile, so that the boss and the outdoor profile together clamp the rigid polyurethane foam.

[0008] Optionally, the first limiting structure includes a first concave-convex structure disposed on the protrusion, and the rigid polyurethane foam is provided with a structure that cooperates with the first concave-convex structure.

[0009] Optionally, the first limiting structure includes a groove provided on the rigid polyurethane foam, and the bottom end of the boss is inserted into the groove.

[0010] Optionally, the first limiting structure includes a slot provided on the boss, and the top of the polyurethane rigid foam is provided with an insert block, which is inserted into the slot.

[0011] Optionally, the second limiting structure includes a second concave-convex structure disposed on the outdoor profile, and the rigid polyurethane foam is provided with a structure that cooperates with the second concave-convex structure.

[0012] Optionally, the second limiting structure includes a limiting block protruding from the outdoor profile, the limiting block being adapted to fit tightly against both sides of the polyurethane rigid foam when the polyurethane rigid foam is clamped.

[0013] Optionally, the boss is hollow inside; the connector passes through the outdoor profile and the polyurethane rigid foam, and one end of the connector extends into the boss.

[0014] Optionally, the connector is a bolt, and there is a gap between the end cap of the bolt and the interior side profile.

[0015] The technical solution of this utility model has the following advantages: compared with the prior art, it reduces the number of parts, eliminates the thermal bridge and micro-foamed PVC special strip, and replaces the thermal bridge with a protrusion integrally formed on the indoor side profile. The thermal insulation effect of the hollow protrusion is comparable to that of the traditional thermal bridge. Due to the simplification of the number and structure of parts, it has the effects of reduced part production costs, fewer installation steps, simplified installation operation, improved installation efficiency, and reduced labor costs. 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 This is a schematic diagram of the thermal break structure of the curtain wall in Embodiment 1 of this utility model.

[0018] Figure 2 This is a schematic diagram of the structure of the rigid polyurethane foam in Embodiment 1 of this utility model.

[0019] Figure 3 This is a schematic diagram of the thermal break structure of the curtain wall in Embodiment 2 of this utility model.

[0020] Figure 4 This is a schematic diagram of the structure of the rigid polyurethane foam in Embodiment 2 of this utility model.

[0021] In the figure: outdoor profile 1, limit stop 1a, second V-shaped protrusion 1b, indoor profile 2, boss 21, slot 21a, first V-shaped protrusion 21b, polyurethane rigid foam 3, groove 3a, insert 3b, first V-shaped groove 3c, second V-shaped groove 3d, connector 4, gap 5, glass 6. Detailed Implementation

[0022] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of this utility model. Based on the description of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0023] Unless otherwise explicitly specified and limited, the terms "setup," "installation," and "connection" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of these terms based on the specific circumstances.

[0024] The terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of description and simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] The terms “first,” “second,” “third,” etc., are used merely to distinguish elements with similar properties, not to indicate or imply relative importance or a specific order.

[0026] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.

[0027] Example 1 Please refer to Figure 1 This utility model provides a curtain wall thermal break structure, including an outdoor profile 1 and an indoor profile 2 arranged opposite to each other, a polyurethane rigid foam 3 disposed between the outdoor profile 1 and the indoor profile 2, and a connector 4 for connecting the outdoor profile 1 and the indoor profile 2 so that the indoor profile 2 and the outdoor profile 1 together clamp the polyurethane rigid foam 3.

[0028] The surfaces of the outdoor profile 1 and the indoor profile 2 are parallel to each other, forming a uniformly spaced gap 5. The aforementioned rigid polyurethane foam 3 is placed in the center of the gap 5, and the ends of glass 6 are inserted into both sides of the gap 5. The ends of the glass 6 do not contact the sides of the rigid polyurethane foam 3, and there is a gap between the rigid polyurethane foam 3 and the ends of the glass 6 on both sides, thereby avoiding direct contact and heat transfer between the glass 6 and the rigid polyurethane foam 3.

[0029] A boss 21 protrudes from the surface of the indoor profile 2 facing the gap 5, and the rigid polyurethane foam 3 is sandwiched between the boss 21 and the outdoor profile 1. A first limiting structure is provided between the boss 21 and the rigid polyurethane foam 3 to limit one end of the rigid polyurethane foam 3. The first limiting structure includes a first concave-convex structure provided on the boss 21, and the rigid polyurethane foam 3 is provided with a structure that cooperates with the first concave-convex structure; the first concave-convex structure is, for example, a first V-shaped protrusion 21b provided at the bottom end of the boss 21, and the first V-shaped protrusion 21b is preferably provided at the center of the bottom end of the boss 21. Please refer to Figure 2 The top end of the rigid polyurethane foam 3 is provided with a first V-shaped groove 3c that mates with the first V-shaped protrusion 21b; furthermore, the first limiting structure also includes a groove 3a provided at the top end of the rigid polyurethane foam 3, and the bottom end of the protrusion 21 is inserted into the groove 3a.

[0030] Please refer to Figure 1 The outdoor profile 1 is provided with a second limiting structure that limits the other end of the rigid polyurethane foam 3. The second limiting structure includes a second concave-convex structure provided on the outdoor profile 1, and the rigid polyurethane foam 3 is provided with a structure that cooperates with the second concave-convex structure. For example, the second concave-convex structure is provided with a second V-shaped protrusion 1b on the surface of the outdoor profile 1 facing the gap 5. Please refer to [reference needed]. Figure 2 The bottom end of the rigid polyurethane foam 3 is provided with a second V-shaped groove 3d that mates with the second V-shaped protrusion 1b. The second V-shaped groove 3d is preferably located at the center of the bottom end of the rigid polyurethane foam 3. Please refer to... Figure 1 Furthermore, the second limiting structure also includes two limiting blocks 1a protruding from the surface of the outdoor profile 1 facing the inside of the gap 5. The limiting blocks 1a are adapted to fit tightly against both sides of the polyurethane rigid foam 3 when it is clamped, compressed and thickened.

[0031] Please refer to Figure 1 Specifically, the boss 21 is hollow inside; the connector 4 is preferably a bolt. The connector 4 passes through the outdoor profile 1 and the polyurethane rigid foam 3, with one end of the connector 4 extending into the boss 21; there is a gap between the bolt cap and the indoor profile 2, that is, the bolt cap does not contact the indoor profile 2, thus preventing the outdoor profile 1 from directly transferring heat to the indoor profile 2 through the bolt; only the surface of the bolt cap facing the polyurethane rigid foam 3 contacts the inner wall of the boss 21, and the rest of the bolt surface does not contact the inner wall of the boss 21 or the bolt hole on the boss 21, thereby reducing the heat transfer efficiency between the bolt and the boss 21.

[0032] The thermal break structure for curtain walls proposed in this embodiment of the utility model reduces the number of components compared to the prior art, and eliminates the thermal break bridge and micro-foamed PVC profile strip. The thermal break bridge is replaced by a protrusion 21 integrally formed on the indoor profile 2. The thermal insulation effect of the hollow protrusion 21 is comparable to that of the traditional thermal break bridge. Due to the simplification of the number and structure of components, the production cost of components is reduced, the installation steps are reduced, the installation operation is simplified, the installation efficiency is improved, and the labor cost is reduced.

[0033] Example 2 Please refer to Figure 3 This embodiment provides a curtain wall thermal break structure based on embodiment one, but the first limiting structure is changed compared to embodiment one.

[0034] The first limiting structure in this embodiment includes a slot 21a located at the bottom end of the boss 21. The slot 21a can be a groove that does not communicate with the inner cavity of the boss 21, or it can be connected to the inner cavity of the boss 21 to form a T-shaped groove. Preferably, the top of the polyurethane rigid foam 3 has a protruding insert 3b at the central position (see details). Figure 4 The insert 3b is integrally molded on polyurethane rigid foam 3, and the insert 3b is inserted into the slot 21a.

[0035] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A thermal break structure for curtain walls, characterized in that, The device includes an outdoor profile, an indoor profile, rigid polyurethane foam, and connectors. The rigid polyurethane foam is disposed in the center of a gap formed between the outdoor profile and the indoor profile. Glass ends are disposed on both sides of the gap, and there is a gap between the rigid polyurethane foam and the glass ends on both sides. The indoor profile has a boss protruding into the gap. A first limiting structure is provided between the boss and the rigid polyurethane foam to limit one end of the rigid polyurethane foam. The outdoor profile has a second limiting structure to limit the other end of the rigid polyurethane foam. The connectors are used to connect the outdoor profile and the indoor profile, so that the boss and the outdoor profile together clamp the rigid polyurethane foam.

2. The thermal break structure for curtain walls according to claim 1, characterized in that, The first limiting structure includes a first concave-convex structure disposed on the protrusion, and the rigid polyurethane foam is provided with a structure that cooperates with the first concave-convex structure.

3. The thermal break structure for curtain walls according to claim 1, characterized in that, The first limiting structure includes a groove on the rigid polyurethane foam, and the bottom end of the boss is inserted into the groove.

4. The thermal break structure for curtain walls according to claim 1, characterized in that, The first limiting structure includes a slot provided on the boss, and the top of the polyurethane rigid foam is provided with an insert block, which is inserted into the slot.

5. The thermal break structure for curtain walls according to claim 1, characterized in that, The second limiting structure includes a second concave-convex structure disposed on the outdoor profile, and the polyurethane rigid foam is provided with a structure that cooperates with the second concave-convex structure.

6. The thermal break structure for curtain walls according to claim 1, characterized in that, The second limiting structure includes a limiting block protruding from the outdoor profile, the limiting block being adapted to fit tightly against both sides of the polyurethane rigid foam when the polyurethane rigid foam is clamped.

7. The thermal break structure for curtain walls according to claim 1, characterized in that, The boss is hollow inside; the connector passes through the outdoor profile and the polyurethane rigid foam, with one end of the connector extending into the boss.

8. The thermal break structure for curtain walls according to claim 7, characterized in that, The connector is a bolt, and there is a gap between the end cap of the bolt and the interior side profile.

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