Heat insulation profile for doors and windows

By combining thermal insulation strips made of different materials in the inner lining and limiting strip structure of door and window profiles, the problem of poor thermal insulation effect of single-material thermal insulation strips in areas with large temperature differences is solved, achieving a balance between high-efficiency thermal insulation and mechanical performance in different temperature ranges.

CN223562691UActive Publication Date: 2025-11-18天津智中新窗业有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423169201.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-18
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The thermal insulation strips inside existing door and window profiles are generally made of a single material, which cannot simultaneously exhibit good thermal insulation performance in areas with large temperature differences between winter and summer. This means that higher performance thermal insulation materials may be needed under extreme climatic conditions, increasing costs and maintenance frequency.

Method used

By employing an inner liner and limiting strip structure, thermal insulation strips made of different materials are combined, such as polyamide and glass fiber, thermoplastic polyurethane and polyethylene, phenolic foam and polyvinyl chloride. By optimizing the thermal resistance distribution, the thermal bridging effect is reduced, and the overall thermal insulation performance is improved.

Benefits of technology

It achieves efficient thermal insulation within different temperature ranges, while balancing mechanical strength and durability, reducing heat transfer, and improving the overall thermal insulation effect and stability of door and window profiles.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223562691U_ABST
    Figure CN223562691U_ABST
Patent Text Reader

Abstract

The utility model provides a door and window heat insulation profile, which belongs to the technical field of door and window profiles, and comprises a profile body, a first cavity is arranged on the profile body, a heat insulation strip component is arranged in the first cavity, the heat insulation strip component comprises a neck bush and two limit strips, the limit strips are positioned in the neck bush, the neck bush is tightly attached to the inner wall of the first cavity, and the limit strips are tightly attached to the inner wall of the first cavity. A first heat insulation strip and a second heat insulation strip which are made of different materials are arranged between the two limiting strips, and the first heat insulation strip and the second heat insulation strip are tightly attached to the inner wall of the neck bush. Heat resistance distribution can be optimized according to the specific heating condition of the sectional material, the overall heat insulation effect is improved, the heat bridge effect can be reduced in a combined mode, heat transfer through the sectional material is reduced, and therefore better heat insulation performance is achieved within the specific temperature range.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of door and window section bar, concretely is a door and window heat insulation section bar. BACKGROUND

[0002] Door and window section bar refers to the profile material for manufacturing door and window frame and fan body, which usually has a specific shape, size and structure to adapt to the design requirements and use function of door and window, and the selection of door and window section bar directly affects the performance of door and window, including heat preservation, sound insulation, waterproof, air tightness, wind pressure resistance, etc., so the material performance, cost and applicable environment need to be considered comprehensively when designing and selecting.

[0003] At present, the existing door and window section bar mainly adopts the heat insulation mode of increasing the heat insulation strip in the section bar cavity to improve the heat insulation capacity of the door and window section bar, thereby improving the energy saving effect of the whole building. At present, the heat insulation strips in the cavity are generally of the same material, which has a certain heat insulation effect, but for the areas with large temperature difference between winter and summer, a single material may not be able to adapt to the high-temperature and low-temperature environment at the same time. Some heat insulation materials can perform well in heat insulation in summer, but perform poorly in winter, which is easy to cause indoor heat loss, which is related to the thermal conductivity, thermal expansion coefficient and mechanical properties of the heat insulation material. If in extreme climate conditions, higher performance heat insulation materials may be needed, which may increase the cost. If a single material cannot meet the requirements, more frequent replacement or maintenance may be needed, thereby increasing the long-term cost. UTILITY MODEL CONTENT

[0004] The utility model technical scheme provides a solution significantly different from the prior art in view of the technical problem that the prior art solution is too single, and specifically, the utility model mainly provides a door and window heat insulation section bar to solve the technical problem that the heat insulation strips in the cavity of the existing door and window section bar generally use a single material, which cannot guarantee good heat insulation effect in two seasons with large temperature difference.

[0005] The utility model solves the above technical problem by adopting the following technical scheme:

[0006] A door and window heat insulation section bar, comprising a section bar body, a first cavity is arranged on the section bar body, a heat insulation strip assembly is arranged in the first cavity, the heat insulation strip assembly comprises an inner sleeve and two limiting strips, the limiting strips are located in the inner sleeve, the inner sleeve is tightly attached to the inner wall of the first cavity, a first heat insulation strip and a second heat insulation strip of different materials are arranged between the two limiting strips, and the first heat insulation strip and the second heat insulation strip are tightly attached to the inner wall of the inner sleeve.

[0007] Further, the outer wall of the profile body is provided with two second cavities, each of which is provided with a third heat insulation strip, and the third heat insulation strip and the first heat insulation strip are made of the same material.

[0008] Further, the outer wall of the profile body is provided with two third cavities, each of which is provided with a fourth heat insulation strip, and the fourth heat insulation strip and the second heat insulation strip are made of the same material.

[0009] Further, a plurality of openings are linearly arranged on each limiting strip at equal intervals.

[0010] Further, the first heat insulation strip, the second heat insulation strip, the third heat insulation strip and the fourth heat insulation strip are provided with through holes, and the through holes pass through both ends of the corresponding heat insulation strip.

[0011] Further, the both ends of the inner sleeve are provided with a cover, the cover comprises a cover plate and a connecting column, and the cover plate is matched with the inner wall of the inner sleeve, and the connecting column is inserted into the corresponding through hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses a profile body, cavity, inner sleeve, limiting strip, first heat insulation strip, second heat insulation strip, third heat insulation strip, fourth heat insulation strip and cover are set up, realize the filling of the door and window profile inner chamber, and the heat resistance of different heat insulation materials is different, can optimize the heat resistance distribution according to the specific heating condition of the profile, improve the overall heat insulation effect, and in the form of combination, can reduce the thermal bridge effect, reduce the heat transfer through the profile, thereby having better heat insulation performance in the specific temperature range, and the different heat insulation materials are different in mechanical strength, durability etc., and the combination use can give consideration to the heat insulation and the mechanical performance of the profile, further improve the heat insulation effect of the profile frame whole, and have certain practical value.

[0014] The utility model will be explained in detail in the following with specific embodiment and accompanying drawings. DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the overall structure exploded schematic diagram of the utility model;

[0017] Figure 3 It is the heat insulation strip subassembly exploded schematic diagram of the utility model;

[0018] Figure 4 It is the profile body cross section schematic diagram of the utility model.

[0019] Fig. 1, profile body; 11, first cavity; 12, second cavity; 13, third cavity; 2, heat insulation strip assembly; 21, inner bushing; 22, limiting strip; 221, opening; 23, first heat insulation strip; 24, second heat insulation strip; 25, through hole; 26, cover; 261, cover plate; 262, connecting column; 3, third heat insulation strip; 4, fourth heat insulation strip. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given. However, the present application can be implemented in different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are used for explanation purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "including" and "having" are intended to be inclusive and mean that there can be additional elements other than the listed elements.

[0023] Reference will now be made, by way of example only, to the accompanying drawings in which: Figures 1-4 A door and window heat insulation profile includes a profile body 1, a first cavity 11 is arranged on the profile body 1, a heat insulation strip assembly 2 is arranged in the first cavity 11, the heat insulation strip assembly 2 includes an inner bushing 21 and two limiting strips 22, the limiting strips 22 are located in the inner bushing 21, the inner bushing 21 is tightly attached to the inner wall of the first cavity 11, a first heat insulation strip 23 and a second heat insulation strip 24 made of different materials are arranged between the two limiting strips 22, and the first heat insulation strip 23 and the second heat insulation strip 24 are tightly attached to the inner wall of the inner bushing 21.

[0024] Through the above structure, the filling of the inner cavity of the door and window profile is realized, and the advantages of two different types of thermal insulation materials are supplemented (for example, polyamide and glass fiber, thermoplastic polyurethane and polyethylene, phenolic foam and polyvinyl chloride), the thermal resistance values of different thermal insulation materials are different, the thermal resistance distribution can be optimized according to the specific heating condition of the profile, the overall thermal insulation effect is improved, and in the form of combination, the thermal bridge effect can be reduced, the heat transfer through the profile is reduced, and better thermal insulation performance is achieved in a specific temperature range. Different thermal insulation materials differ in mechanical strength, durability and other aspects, and the combination use can balance the thermal insulation and mechanical properties of the profile, further improve the overall thermal insulation effect of the profile frame, and has certain practical value.

[0025] The specific operation is as follows: first, the first thermal insulation strip 23 and the second thermal insulation strip 24 are placed in the inner sleeve 21, then the two limiting strips 22 are inserted into the gap in the inner sleeve 21 to limit the first thermal insulation strip 23 and the second thermal insulation strip 24, then the two covers 26 are placed at both ends of the inner sleeve 21, the connecting column 262 is inserted into the through hole 25 of the first thermal insulation strip 23 and the second thermal insulation strip 24, then the thermal insulation strip assembly 2 is placed in the first cavity 11 of the profile body 1 as a whole, and finally the third thermal insulation strip 3 and the fourth thermal insulation strip 4 are placed in the second cavity 12 and the third cavity 13 respectively.

[0026] Please refer to the accompanying drawings Figure 3 and the accompanying drawings Figure 4The outer wall of the profile body 1 is provided with two second cavities 12, each of which is provided with a third heat insulation strip 3, and the third heat insulation strip 3 and the first heat insulation strip 23 are made of the same material, the outer wall of the profile body 1 is provided with two third cavities 13, each of which is provided with a fourth heat insulation strip 4, and the fourth heat insulation strip 4 and the second heat insulation strip 24 are made of the same material, and the cooperation between the third heat insulation strip 3 and the fourth heat insulation strip 4 realizes that different heat insulation materials with different thermal resistance values are provided for the two sides of the profile body 1, so as to better cope with the areas with large temperature difference between winter and summer, a plurality of openings 221 are linearly arranged on each limiting strip 22 at equal intervals, through the openings 221, the air permeability of the material is increased, so that the air can flow in the material, which is very important for preventing the growth of mold, and can also reduce the weight, the first heat insulation strip 23, the second heat insulation strip 24, the third heat insulation strip 3 and the fourth heat insulation strip 4 are provided with through holes 25, and the through holes 25 penetrate the two ends of the corresponding heat insulation strip, through the through holes 25, the heat bridge that may be formed can be broken, that is, the path of heat conduction through solid material, so as to reduce the loss of heat, the two ends of the inner sleeve 21 are provided with sealing covers 26, the sealing cover 26 comprises a cover plate 261 and a connecting column 262, and the cover plate 261 is matched with the inner wall of the inner sleeve 21, and the connecting column 262 is inserted into the corresponding through hole 25, through the sealing cover 26, the two ends of the inner sleeve 21 are sealed, and the stability of the whole is further improved.

[0027] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as the method concept and technical scheme of the utility model are adopted for such non-essential improvement, or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, which are all within the protection scope of the utility model.

Claims

1. A door and window thermal insulation profile comprising a profile body (1) provided with a first cavity (11), characterized in that, The first cavity (11) is provided with a heat insulation strip assembly (2), the heat insulation strip assembly (2) comprises an inner sleeve (21) and two limiting strips (22), the limiting strips (22) are located in the inner sleeve (21), the inner sleeve (21) is close to the inner wall of the first cavity (11), the first heat insulation strip (23) and the second heat insulation strip (24) made of different materials are arranged between the two limiting strips (22), and the first heat insulation strip (23) and the second heat insulation strip (24) are close to the inner wall of the inner sleeve (21).

2. A thermal break profile for doors and windows according to claim 1, characterized in that, The outer wall of the profile body (1) is provided with two second cavities (12) on one side, each second cavity (12) is provided with a third heat insulation strip (3), and the third heat insulation strip (3) and the first heat insulation strip (23) are made of the same material.

3. A thermal break profile for doors and windows according to claim 2, characterized in that, The outer wall of the profile body (1) is provided with two third cavities (13) on the other side, each third cavity (13) is provided with a fourth heat insulation strip (4), and the fourth heat insulation strip (4) and the second heat insulation strip (24) are made of the same material.

4. A door and window thermal break profile as claimed in claim 1, wherein, A plurality of openings (221) are linearly arranged on each limiting strip (22) at equal intervals.

5. A door and window thermal break profile as claimed in claim 2, wherein, The first heat insulation strip (23), the second heat insulation strip (24), the third heat insulation strip (3) and the fourth heat insulation strip (4) are all provided with through holes (25), and the through holes (25) penetrate through both ends of the corresponding heat insulation strip.

6. A door and window thermal break profile as claimed in claim 1, wherein, The both ends of the inner sleeve (21) are provided with covers (26), the cover (26) comprises a cover plate (261) and a connecting column (262), and the cover plate (261) is fitted with the inner wall of the inner sleeve (21), and the connecting column (262) is inserted into the corresponding through hole (25).