Composite door and window profile

By combining and co-extruding fiberglass lining with lightweight insulation materials, the problems of creep and insufficient insulation performance of plastic profiles have been solved, and the overall strength and insulation performance have been improved, making them suitable for widespread use as door and window profiles.

CN223647654UActive Publication Date: 2025-12-09HUNAN VISION HOUSING IND TECH CO LTD
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Patent Information

Application Number
CN202422495724.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-12-09
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

Plastic profiles are prone to creep, and the thermal insulation performance decreases after adding steel lining. Furthermore, the steel lining and plastic profiles do not form a whole, affecting the overall strength and thermal insulation performance.

Method used

The material is made of fiberglass lining and lightweight insulation material, which are combined through co-extrusion to form a whole. The snap-fit ​​structure is used to improve the bonding strength, and the use of lightweight insulation material enhances the insulation performance.

Benefits of technology

It solves the creep problem of plastic profiles, improves overall strength and thermal insulation performance, simplifies the manufacturing process, reduces costs, and is suitable for widespread use as door and window profiles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a composite door and window profile. The composite door and window profile comprises a plastic profile, a glass fiber reinforced plastic lining and a light thermal insulation material, wherein the plastic section bar is an outermost frame structure of the composite door and window section bar, the glass fiber reinforced plastic lining is arranged on the inner side of the plastic section bar, and a cavity defined by the glass fiber reinforced plastic lining or the plastic section bar is filled with the light thermal insulation material. According to the utility model, the creep deformation problem of the traditional plastic profile is improved, the problem of poor thermal insulation performance is further solved, the composite structure is ensured to become a whole through a co-extrusion process, and the composite profile is very simple in structure and manufacturing process, has good commercial value and wide commercial prospect, and is worthy of popularization and application.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building material field especially is related to a composite door and window section bar. BACKGROUND

[0002] Plastic section bar, wherein it also includes wood plastic section bar, with its good performance and cost performance, has become the main material in door and window section bar, but plastic section bar has the characteristic of creep, that is, long-term load will lead to slow deformation.

[0003] To solve this problem, people add steel lining in the cavity of plastic section bar, but adding steel lining brings new problems, that is, the heat preservation performance of plastic section bar will thus decrease. This is not in time in the current energy saving and emission reduction has become the national strategy, and steel lining is inserted into the cavity of plastic section bar through machinery in the later period, steel lining and plastic section bar are only extruded together, or fixed at certain distance with screw, and do not form a whole, which makes the reinforcing effect of steel lining cannot be fully played.

[0004] Therefore, developing a composite door and window section bar is the urgent problem of the person skilled in the art. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the utility model provides a composite door and window section bar, solves the problems that plastic section bar will be deformed and steel lining and plastic section bar cannot form a whole in the prior art.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A composite door and window section bar, comprising plastic section bar, glass steel lining and light weight thermal insulation material.

[0008] The plastic section bar is the outermost frame structure of the composite door and window section bar, the glass steel lining is arranged on the inner side of the plastic section bar, and the light weight thermal insulation material is filled in the cavity surrounded by the glass steel lining or plastic section bar.

[0009] The beneficial effects of the above technical scheme are that the glass steel lining can prevent plastic section bar from creeping, make up for the defects of traditional plastic section bar, and the light weight thermal insulation material can further improve the heat preservation performance of the section bar.

[0010] Further, the composite door and window section bar comprises a buckle-equipped composite section bar and a buckle-free composite section bar.

[0011] The buckle-equipped composite section bar, wherein four edges of the glass steel lining are each provided with an opening, a buckle protruding towards the cavity interior direction is arranged on the opening with the opening as the lower bottom, the bottom of the buckle adjacent to the cavity is the upper bottom, and the length of the upper bottom is greater than that of the lower bottom.

[0012] The buckle-free composite profile, wherein the glass steel lining has no opening, i.e., no buckle.

[0013] The beneficial effect of the above technical solution is that the buckle can further improve the bonding strength between the glass steel lining and the plastic profile, thereby improving the overall strength of the utility model.

[0014] Further, the glass steel lining is a glass fiber profile bonded with resin.

[0015] The beneficial effect of the above technical solution is that the material of the glass steel lining is easily available on the market, and is light and hard, with good mechanical properties and low thermal conductivity. As the lining of the plastic profile, it can solve the problem of plastic profile creep, and will not cause the problem of reduced thermal insulation performance as traditional steel lining.

[0016] Further, the light thermal insulation material includes foamed polyurethane, foamed phenolic, glass wool, and rock wool.

[0017] The beneficial effect of the above technical solution is that the light thermal insulation material has good thermal insulation effect, and is easy to fill due to its material characteristics, thereby simplifying the manufacturing process of the utility model.

[0018] Further, the manufacturing method of the composite door and window profile is co-extrusion process, and the specific steps are as follows:

[0019] (1) The glass steel lining is purchased or manufactured according to the designed cross-sectional shape;

[0020] (2) The glass steel lining is placed in the set position of the extrusion mold on the co-extrusion equipment;

[0021] (3) The co-extrusion equipment is turned on, the glass steel lining is wrapped by the plastic profile extruded by the co-extrusion equipment, and is extruded together, and is cut off according to the set length;

[0022] (4) The cavity of the profile is filled with light thermal insulation material.

[0023] The beneficial effect of the above technical solution is that the glass steel lining and the surrounding plastic profile can be bonded through the co-extrusion process, and form a whole, which can fully play the reinforcing role of the glass steel. Since the plastic profile and the glass steel lining are both poor conductors of heat, the cavity of the glass steel lining is filled with thermal insulation material, and the thermal insulation performance is greatly improved.

[0024] Further, to increase the aesthetics of the utility model, the ornamental surface of the composite door and window profile can be flexibly decorated, such as film covering, metal wrapping, wood veneer pasting, painting, etc.

[0025] In summary, the utility model discloses utilize the good mechanical properties of glass steel lining to perfectly solve the creep problem of plastic profile, ensure that the utility model discloses will not take place deformation condition, and through filling heat preservation material, make up the defect of traditional steel lining poor heat preservation performance, and the utility model discloses is through the co-extrusion process and is made, can make plastic profile and glass steel lining bond, form a whole really, at the same time, the raw material of the utility model is simple and easy to obtain, and the structure is also very simple, and the manufacturing process is also not complex, and the production cost is lower, and the audience is wide, and the overall quality is light, easy to carry, suitable for being promoted and used as door and window profile. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a composite door and window profile in the utility model, and it is a composite profile structure cross section schematic diagram with buckle;

[0027] Figure 2 It is a composite door and window profile in the utility model, and it is a composite profile structure cross section schematic diagram without buckle;

[0028] Among them: 1-plastic profile, 2-glass steel lining, 3-lightweight thermal insulation material. DETAILED DESCRIPTION

[0029] Example one:

[0030] A composite door and window profile, including plastic profile 1, glass steel lining 2, lightweight thermal insulation material 3;

[0031] Plastic profile 1 is the outermost frame structure of the composite door and window profile, glass steel lining 2 is arranged on the inner side of plastic profile 1, and plastic profile 1 can be prevented from creeping through glass steel lining 2, so that the defects of traditional plastic profile 1 are compensated, and lightweight thermal insulation material 3 is filled in the cavity surrounded by glass steel lining 2, wherein the lightweight thermal insulation material 3 can further improve the heat preservation performance of the profile.

[0032] Glass steel lining 2 is a resin-bonded glass fiber profile, wherein the material of glass steel lining 2 is easy to purchase on the market, and is light and hard, has good mechanical properties and low thermal conductivity, so that it is used as the lining of plastic profile 1, the problem of plastic profile 1 creeping is solved, and the defect of traditional steel lining, i.e. the decline of heat preservation performance, is avoided.

[0033] Lightweight thermal insulation material 3 includes foamed polyurethane, foamed phenolic, glass wool and rock wool, these lightweight thermal insulation materials have good heat preservation effect, and due to the characteristics of the material, they are easy to fill, and the manufacturing process of the utility model is simplified.

[0034] The manufacturing method of the composite door and window profile is co-extrusion process, and the specific steps are as follows:

[0035] (1) Purchase or manufacture the glass steel inner lining 2 according to the designed cross section shape;

[0036] (2) Place the glass steel inner lining 2 in the set position of the extrusion die on the co-extrusion equipment;

[0037] (3) Start the co-extrusion equipment, so that the glass steel inner lining 2 is wrapped by the plastic profile 1 extruded by the co-extrusion equipment and is extruded together, and is cut off according to the set length;

[0038] (4) Fill the cavity of the profile with the light weight thermal insulation material 3.

[0039] The glass steel inner lining 2 and the plastic profile 1 around the glass steel inner lining 2 are bonded by the co-extrusion process and form an integral whole, so that the reinforcing effect of the glass steel can be fully exerted. Since the plastic profile 1 and the glass steel inner lining 2 are both poor conductors of heat, the cavity of the glass steel inner lining 2 is filled with the thermal insulation material, and the thermal insulation performance is greatly improved.

[0040] It should be noted that, in order to increase the aesthetic appearance of the utility model, various decoration measures can be flexibly taken on the ornamental surface of the composite door and window profile, such as film covering, metal wrapping, wood veneer pasting, paint coating and the like.

[0041] Embodiment two:

[0042] A composite door and window profile, comprising a plastic profile 1, a glass steel inner lining 2 and a light weight thermal insulation material 3.

[0043] The plastic profile 1 is the outermost frame structure of the composite door and window profile, the glass steel inner lining 2 is arranged on the inner side of the plastic profile 1, and the glass steel inner lining 2 can prevent the plastic profile 1 from creeping, thereby making up for the defects of the traditional plastic profile 1. The light weight thermal insulation material 3 is filled in the cavity surrounded by the glass steel inner lining 2, and the light weight thermal insulation material 3 can further improve the thermal insulation performance of the profile.

[0044] The composite door and window profile further comprises buckles, the four edges of the glass steel inner lining 2 are each provided with an opening, a buckle protruding towards the inside of the cavity is arranged below the opening, the bottom of the buckle adjacent to the cavity is the upper bottom, and the length of the upper bottom is greater than that of the lower bottom. The buckle can further improve the bonding strength between the glass steel inner lining and the plastic profile, thereby improving the overall strength of the utility model.

[0045] The glass steel inner lining 2 is a glass fiber profile bonded by resin, the material of the glass steel inner lining 2 is easily available on the market, is light and hard, has good mechanical properties and low thermal conductivity, and is used as the inner lining of the plastic profile 1, so that the problem of plastic profile 1 creeping is solved, and the disadvantage of the traditional steel lining that the thermal insulation performance is reduced is avoided.

[0046] The light thermal insulation material 3 includes foamed polyurethane, foamed phenolic, glass wool and rock wool, and the light thermal insulation material 3 has good thermal insulation effect and is easy to fill due to the material characteristics, thereby simplifying the manufacturing process of the composite door and window profile.

[0047] The manufacturing method of the composite door and window profile is a co-extrusion process, and the specific steps are as follows:

[0048] (1) purchasing or manufacturing the glass steel lining 2 according to the designed cross-sectional shape;

[0049] (2) placing the glass steel lining 2 on the co-extrusion equipment at a set position of the extrusion mold;

[0050] (3) starting the co-extrusion equipment, so that the glass steel lining 2 is wrapped by the plastic profile 1 extruded by the co-extrusion equipment and is extruded together, and is cut off according to the set length;

[0051] (4) filling the cavity of the profile with the light thermal insulation material 3.

[0052] The co-extrusion process can bond the glass steel lining 2 and the plastic profile 1 around the glass steel lining 2 and form a whole, so that the reinforcing effect of the glass steel can be fully exerted. Since the plastic profile 1 and the glass steel lining 2 are both poor conductors of heat, the cavity of the glass steel lining 2 is filled with the light thermal insulation material 3, and the thermal insulation performance is greatly improved.

[0053] It should be noted that, in order to increase the aesthetic property of the composite door and window profile, various decoration measures such as film covering, metal wrapping, wood skin pasting and paint coating can be flexibly adopted on the ornamental surface of the composite door and window profile.

[0054] In summary, the composite door and window profile of the utility model improves the creep problem of the traditional plastic profile 1, further solves the problem of poor thermal insulation performance, and ensures that the composite structure of the utility model becomes a whole through the co-extrusion process. The structure and manufacturing process are very simple, and the utility model has good commercial value and broad commercial prospect, and is worth popularizing and applying.

[0055] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same and similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiments, the description is relatively simple because it corresponds to the method disclosed in the embodiments. The relevant parts can be referred to the method part.

[0056] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A composite door and window profile, characterized in that, The plastic profile, the glass fiber reinforced plastic lining, and the light thermal insulation material; The plastic profile is the outermost frame structure of the composite door and window profile, the glass fiber reinforced plastic lining is arranged on the inner side of the plastic profile, and the light thermal insulation material is filled in the cavity surrounded by the glass fiber reinforced plastic lining or the plastic profile; The composite door and window profile comprises a buckle-equipped composite profile; The buckle-equipped composite profile, wherein four edges of the glass fiber reinforced plastic lining are each provided with an opening, a buckle protruding towards the cavity is arranged on the opening, the bottom of the buckle adjacent to the cavity is the upper bottom, and the length of the upper bottom is greater than that of the lower bottom; The plastic profile is connected with the glass fiber reinforced plastic lining at the buckle of the glass fiber reinforced plastic lining.

2. A composite door and window profile according to claim 1, characterized in that The composite door and window profile further comprises a buckle-free composite profile; The buckle-free composite profile, wherein the glass fiber reinforced plastic lining is free of openings, i.e., free of buckles.