Co-extrusion forming energy-saving door and window profile composite structure
The composite structure manufactured by co-extrusion molding technology solves the problems of insufficient weather resistance and heat insulation performance of aluminum-clad plastic door and window profiles, and achieves high strength, good heat insulation and firm installation effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-03
AI Technical Summary
Existing aluminum-clad plastic window and door profiles have shortcomings in terms of weather resistance and UV resistance. The coating is prone to peeling and falling off, and traditional window and door profiles are lacking in thermal insulation performance.
The composite structure is manufactured using co-extrusion molding technology, including indoor and outdoor aluminum alloy liners, cladding layers, and intermediate heat insulation components. These are connected by hot melt injection molding to form a strong bonding surface. T-shaped reinforcing buckles and water guide strips are configured on the aluminum alloy liners to improve installation stability and heat insulation effect.
It achieves high strength and good thermal insulation performance for aluminum alloy doors and windows, avoids the problems of poor weather resistance and deformation of the film, and improves the installation firmness and rainwater guiding effect.
Smart Images

Figure CN224078962U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of energy-saving door and window profile technology, and more specifically, to a co-extruded energy-saving door and window profile composite structure. Background Technology
[0002] With the increasing demands for energy conservation and environmental protection in the construction industry, the research and development of energy-efficient door and window profiles has become a key focus. Traditional door and window profiles have certain shortcomings in terms of heat insulation, thermal insulation, and durability. For example, although aluminum alloy doors and windows are strong and aesthetically pleasing, they have a high thermal conductivity and poor heat insulation performance, easily causing indoor heat loss in winter and allowing outdoor heat to enter the room in summer, leading to increased energy consumption. Plastic doors and windows, while having good heat insulation performance, have relatively low strength and are prone to deformation during long-term use. Aluminum-clad plastic door and window profiles combine the advantages of aluminum alloy and plastic, possessing good heat insulation performance and strength. However, existing aluminum-clad plastic door and window profiles require a film coating on the indoor side of the outer surface of the cladding material, which suffers from poor weather resistance, poor UV resistance, and is prone to peeling and flaking.
[0003] Therefore, it is necessary to propose a co-extruded energy-saving door and window profile composite structure to at least partially solve the problems existing in the prior art. Utility Model Content
[0004] The utility model description section introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. This utility model description section is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.
[0005] To at least partially solve the above problems, this utility model provides a co-extruded energy-saving door and window profile composite structure, comprising: a composite structure body, which includes an indoor aluminum alloy liner and an outdoor aluminum alloy liner, with an intermediate heat insulation component disposed between the indoor and outdoor aluminum alloy liners, an indoor cladding layer disposed on the outer wall of the indoor aluminum alloy liner, an outdoor cladding layer disposed on the outer wall of the outdoor aluminum alloy liner, an indoor co-extruded surface layer disposed on the indoor cladding layer, and an outdoor co-extruded surface layer disposed on the outdoor cladding layer.
[0006] According to the co-extruded energy-saving door and window profile composite structure of this utility model embodiment, T-shaped reinforcing buckles are provided on the outer walls of both the indoor aluminum alloy lining and the outdoor aluminum alloy lining.
[0007] According to the co-extruded energy-saving door and window profile composite structure of the present utility model embodiment, the inner walls of the indoor side covering layer and the outdoor side covering layer are both equipped with T-shaped reinforcing grooves corresponding to T-shaped reinforcing buckles.
[0008] According to the co-extruded energy-saving door and window profile composite structure of this utility model embodiment, the middle heat insulation component includes an upper heat insulation strip, a lower heat insulation strip, and a middle heat insulation strip. The upper heat insulation strip is disposed on the upper part of the indoor aluminum alloy lining and the outdoor aluminum alloy lining, the lower heat insulation strip is disposed on the lower part of the indoor aluminum alloy lining and the outdoor aluminum alloy lining, and the middle heat insulation strip is disposed between the upper heat insulation strip and the lower heat insulation strip.
[0009] According to the co-extruded energy-saving door and window profile composite structure of this utility model embodiment, the inner upper and lower parts of the inner side of the indoor aluminum alloy lining are both provided with first buckles, and one side of the upper heat insulation strip is provided with a first side protruding clip corresponding to the first buckle.
[0010] According to the co-extruded energy-saving door and window profile composite structure of this utility model embodiment, the upper and lower parts of the inner side of the outdoor aluminum alloy lining are both equipped with second buckles, and the other side of the upper heat insulation strip is equipped with a second side protruding clip corresponding to the second buckle.
[0011] The co-extruded energy-saving door and window profile composite structure according to an embodiment of the present utility model further includes: a water guide strip, which is disposed on the outdoor wall of the outdoor aluminum alloy inner lining.
[0012] According to the co-extruded energy-saving door and window profile composite structure of this utility model embodiment, the water guide strip is triangular and has mounting holes, which are connected to the outdoor aluminum alloy lining through a fixing rod.
[0013] According to the co-extruded energy-saving door and window profile composite structure of this utility model embodiment, a water-guiding outer plate is arranged on the inclined surface of the water-guiding strip, a plurality of locking holes are arranged on the inclined surface of the water-guiding strip, a plurality of locking pins are arranged on the inner wall of the water-guiding outer plate, and the locking pins have protrusions.
[0014] According to the co-extruded energy-saving door and window profile composite structure of the present utility model embodiment, the water-guiding outer plate is provided with an auxiliary coating layer, the auxiliary coating layer has an auxiliary co-extruded surface layer, and the auxiliary co-extruded surface layer has a hydrophobic layer.
[0015] Compared with the prior art, the present invention has at least the following beneficial effects:
[0016] This utility model provides a co-extruded energy-saving door and window profile composite structure. The co-extruded energy-saving door and window profile composite structure includes a composite structure body, which includes an indoor aluminum alloy liner and an outdoor aluminum alloy liner. A heat-insulating component is installed between the indoor and outdoor aluminum alloy liners, thereby achieving the composite structure body structure through the indoor and outdoor aluminum alloy liners. Further, an indoor cladding layer is installed on the outer wall of the indoor aluminum alloy liner, and an outdoor cladding layer is installed on the outer wall of the outdoor aluminum alloy liner. The indoor cladding layer and the outdoor cladding layer... The side cladding layers are all hot-melt injection molded and bonded to the indoor and outdoor aluminum alloy liners in the extrusion module. Then, the indoor and outdoor co-extruded surface layers are re-attached to the indoor and outdoor cladding layers in the extrusion module by heating. This makes the bonding surfaces between the indoor and outdoor cladding layers and the indoor co-extruded surface layers, as well as the bonding surfaces between the outdoor cladding layers and the outdoor co-extruded surface layers, integrally heat-formed. The bonding surfaces are relatively strong and are not prone to deformation during long-term use. This avoids the problems of poor weather resistance, poor UV resistance, and easy peeling and flaking of the film on existing aluminum-clad plastic door and window profiles.
[0017] The co-extruded energy-saving door and window profile composite structure of this utility model, other advantages, objectives and features of this utility model will be partly apparent from the following description, and partly understood by those skilled in the art through research and practice of this utility model. Attached Figure Description
[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0019] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 .
[0020] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 .
[0021] Figure 3 This is a schematic diagram of the water guide strip in this utility model. Detailed Implementation
[0022] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments, so that those skilled in the art can implement it based on the description.
[0023] It should be understood that terms such as “having,” “comprising,” and “including” as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.
[0024] like Figures 1-3 As shown, this utility model provides a co-extruded energy-saving door and window profile composite structure, including: a composite structure body 100, which includes an indoor aluminum alloy liner 1 and an outdoor aluminum alloy liner 2. A heat-insulating component 3 is installed between the indoor aluminum alloy liner 1 and the outdoor aluminum alloy liner 2. In this way, the composite structure body 100 is formed by the indoor aluminum alloy liner 1 and the outdoor aluminum alloy liner 2. Furthermore, an indoor cladding layer 11 is installed on the outer wall of the indoor aluminum alloy liner 1, and an outdoor cladding layer 21 is installed on the outer wall of the outdoor aluminum alloy liner 2. Through the indoor cladding layer 11 and the outdoor cladding layer 21, the traditional surface heat transfer mode of the profile is changed to a line heat transfer mode, reducing the heat transfer coefficient of the profile. As a result, the composite structure body 100 has a better energy-saving effect.
[0025] The indoor-side cladding layer 11 and the outdoor-side cladding layer 21 are both hot-melt injection molded onto the indoor-side aluminum alloy liner 1 and the outdoor-side aluminum alloy liner 2 in the extrusion module. Then, the indoor-side co-extruded surface layer 12 and the outdoor-side co-extruded surface layer 22 are respectively connected to the indoor-side cladding layer 11 and the outdoor-side cladding layer 21 in the extrusion module by heating. This makes the bonding surfaces between the indoor-side cladding layer 11 and the indoor-side co-extruded surface layer 12, as well as the bonding surfaces between the outdoor-side cladding layer 21 and the outdoor-side co-extruded surface layer 22, integrally heat-formed. The bonding surfaces are relatively firm and are not prone to deformation during long-term use, avoiding the problems of poor weather resistance, poor UV resistance, and easy peeling and detachment of the film on existing aluminum-clad plastic door and window profiles.
[0026] The material of the indoor side covering layer 11 and the outdoor side covering layer 21 is PC-polycarbonate, while the material of the indoor side co-extruded surface layer 12 and the outdoor side co-extruded surface layer 22 is ASA.
[0027] Furthermore, T-shaped reinforcing buckles 10 are provided on the outer walls of both the indoor aluminum alloy liner 1 and the outdoor aluminum alloy liner 2. Correspondingly, T-shaped reinforcing grooves 20 corresponding to the T-shaped reinforcing buckles 10 are provided on the inner walls of both the indoor cladding layer 11 and the outdoor cladding layer 21. Through the cooperation between the T-shaped reinforcing buckles 10 and the T-shaped reinforcing grooves 20, the installation firmness of the indoor cladding layer 11 on the indoor aluminum alloy liner 1 is greatly improved; similarly, the installation firmness of the outdoor cladding layer 21 on the outdoor aluminum alloy liner 2 is also greatly improved.
[0028] Furthermore, the intermediate heat insulation component 3 of the above-mentioned structure includes an upper heat insulation strip 31, a lower heat insulation strip 32, and a middle heat insulation strip 33. The upper heat insulation strip 31 is installed on the upper part of the indoor aluminum alloy liner 1 and the outdoor aluminum alloy liner 2, the lower heat insulation strip 32 is installed on the lower part of the indoor aluminum alloy liner 1 and the outdoor aluminum alloy liner 2, and the middle heat insulation strip 33 is installed between the upper heat insulation strip 31 and the lower heat insulation strip 32. The upper heat insulation strip 31 and the lower heat insulation strip 32 connect the indoor aluminum alloy liner 1 and the outdoor aluminum alloy liner 2, and the overall thermal break profile of the composite structure 100 effectively blocks heat loss. The middle heat insulation strip 33 also has a heat insulation effect, further improving the energy-saving and heat-insulating effect of the composite structure 100.
[0029] Furthermore, first buckles 13 are installed on the upper and lower inner sides of the indoor aluminum alloy liner 1, and a first side protrusion strip 34 corresponding to the first buckle 13 is installed on one side of the upper heat insulation strip 31. Second buckles 23 are installed on the upper and lower inner sides of the outdoor aluminum alloy liner 2, and a second side protrusion strip 35 corresponding to the second buckle 23 is installed on the other side of the upper heat insulation strip 31. Through the installation and cooperation of the first buckles 13 and the first side protrusion strip 34, as well as the installation and cooperation of the second buckles 23 and the second side protrusion strip 35, the installation firmness is greatly improved, preventing detachment.
[0030] Furthermore, the aforementioned composite structure 100 also includes a water guide strip 4. Here, the water guide strip 4 is installed on the exterior wall of the outdoor aluminum alloy liner 2, so that when it rains, the rainwater can quickly flow through the water guide strip 4 to the exterior windowsill, preventing the rainwater from flowing down the exterior wall of the outdoor aluminum alloy liner 2 to the connection part with the exterior windowsill, and preventing further wetting and dampness.
[0031] Furthermore, the water guide strip 4 of the above structure is triangular, and corresponding mounting holes 41 are opened on the inclined surface, inner vertical surface and outdoor aluminum alloy liner 2 of the water guide strip 4. The mounting hole 41 on the inclined surface of the water guide strip 4 has a fixing seat 441 inside, and the fixing seat 441 has a threaded hole (not shown). The fixing seat 441 is connected to the outdoor aluminum alloy liner 2 through the fixing rod 42. The fixing rod 42 can be a screw. The water guide strip 4 is installed through the mounting hole 41 and the fixing rod 42.
[0032] Furthermore, a water-guiding outer plate 43 is installed on the inclined surface of the water-guiding strip 4. Specifically, multiple locking holes 44 are opened on the inclined surface of the water-guiding strip 4. Correspondingly, multiple locking pins 45 are installed on the inner wall of the water-guiding outer plate 43. Each locking pin 45 has a protrusion 451. Therefore, by aligning the locking pins 45 on the water-guiding outer plate 43 with the locking holes 44 and then pressing them down, the protrusion 451 can be squeezed into the locking holes 44, thereby realizing the installation of the water-guiding outer plate 43 on the inclined surface of the water-guiding strip 4.
[0033] Furthermore, an auxiliary coating layer 46 is installed on the outer water-guiding plate 43, an auxiliary co-extruded surface layer 47 is formed on the auxiliary coating layer 46, and a hydrophobic layer 48 is formed on the auxiliary co-extruded surface layer 47. The auxiliary coating layer 46 and the auxiliary co-extruded surface layer 47 achieve the heat insulation effect of the water-guiding strip 4, avoiding problems such as poor weather resistance, poor UV resistance, and easy peeling and flaking of the coating. The hydrophobic layer 48 can be coated with a layer of paint formed on the auxiliary co-extruded surface layer 47, which can accelerate the flow of rainwater and prevent rainwater residue on the auxiliary co-extruded surface layer 47.
[0034] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0036] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.
Claims
1. A co-extruded energy saving door and window profile composite structure, characterized in that, Comprise: The composite structure body (100) comprises an indoor side aluminum alloy lining (1), an outdoor side aluminum alloy lining (2), and an intermediate thermal insulation piece (3) arranged between the indoor side aluminum alloy lining (1) and the outdoor side aluminum alloy lining (2). An indoor side cladding layer (11) is arranged on the outer wall of the indoor side aluminum alloy lining (1), and an outdoor side cladding layer (21) is arranged on the outer wall of the outdoor side aluminum alloy lining (2). An indoor side co-extrusion surface layer (12) is arranged on the indoor side cladding layer (11), and an outdoor side co-extrusion surface layer (22) is arranged on the outdoor side cladding layer (21).
2. A co-extruded energy saving door and window profile composite structure as claimed in claim 1, wherein, T-shaped reinforcing buckles (10) are arranged on the outer walls of the indoor side aluminum alloy lining (1) and the outdoor side aluminum alloy lining (2).
3. A co-extruded energy saving door and window profile composite structure as claimed in claim 2, wherein, T-shaped reinforcing buckle slots (20) corresponding to the T-shaped reinforcing buckles (10) are arranged on the inner walls of the indoor side cladding layer (11) and the outdoor side cladding layer (21).
4. A co-extruded energy saving door and window profile composite structure as claimed in claim 1, wherein, The intermediate thermal insulation piece (3) comprises an upper thermal insulation strip (31), a lower thermal insulation strip (32), and a middle thermal insulation strip (33). The upper thermal insulation strip (31) is arranged at the upper part of the indoor side aluminum alloy lining (1) and the outdoor side aluminum alloy lining (2), the lower thermal insulation strip (32) is arranged at the lower part of the indoor side aluminum alloy lining (1) and the outdoor side aluminum alloy lining (2), and the middle thermal insulation strip (33) is arranged between the upper thermal insulation strip (31) and the lower thermal insulation strip (32).
5. A co-extruded energy saving door and window profile composite structure as claimed in claim 4, wherein, First buckles (13) are arranged on the inner side of the upper and lower parts of the indoor side aluminum alloy lining (1), and first side protruding buckle strips (34) corresponding to the first buckles (13) are arranged on one side of the upper thermal insulation strip (31).
6. A co-extruded energy saving door and window profile composite structure as claimed in claim 4 wherein, Second buckles (23) are arranged on the inner side of the upper and lower parts of the outdoor side aluminum alloy lining (2), and second side protruding buckle strips (35) corresponding to the second buckles (23) are arranged on the other side of the upper thermal insulation strip (31).
7. A co-extruded energy saving door and window profile composite structure as claimed in claim 1, wherein, Further comprise: A water guide strip (4) is arranged on the outdoor wall of the outdoor side aluminum alloy lining (2).
8. A co-extruded energy saving door and window profile composite structure as claimed in claim 7, wherein, The water guide strip (4) is triangular, and mounting holes (41) are arranged on the water guide strip (4). The mounting holes (41) are connected to the outdoor side aluminum alloy lining (2) through fixing rods (42).
9. A co-extruded energy saving door and window profile composite structure as claimed in claim 8, wherein, A water guide outer plate (43) is arranged on the inclined surface of the water guide strip (4). A plurality of buckle holes (44) are arranged on the inclined surface of the water guide strip (4). A plurality of buckle pin rods (45) are arranged on the inner wall of the water guide outer plate (43). The buckle pin rods (45) have protruding heads (451).
10. A co-extruded energy saving door and window profile composite structure as claimed in claim 9 wherein, An auxiliary cladding layer (46) is arranged on the water guide outer plate (43). The auxiliary cladding layer (46) has an auxiliary co-extrusion surface layer (47). The auxiliary co-extrusion surface layer (47) has a hydrophobic layer (48).