Fabricated passive building thermal insulation system thermal bridge breaking connecting piece
By introducing a combination of heat-breaking bridge casing and pulling bolts into the metal connectors of the building exterior walls, and fixedly connected with the steel wire mesh, and finally spraying mortar to cover it, the thermal bridge problem caused by the metal connectors of the existing building exterior walls is solved, achieving more efficient building insulation and energy efficiency improvement.
Patent Information
- Application Number
- CN202510364742.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2025-05-06
AI Technical Summary
The metal connecting parts of the existing building exterior walls are not heat-insulated, resulting in heat conduction and a thermal bridge forming, affecting the building's energy efficiency and durability.
A prefabricated passive building insulation system heat-breaking bridge connection is designed, using a combination of pulling bolts and heat-breaking bridge sleeves. Pulling bolts are installed in the sleeves and fixedly connected to the wire mesh through the connecting components. Finally, mortar is sprayed on the exterior wall to cover the connection component and the heat-breaking bridge cap to block heat transfer.
It effectively reduces the thermal bridge effect, improves the energy efficiency of the building, has a simple structure and is easy to install, and extends the service life of the building.
Smart Images

Figure CN119934121A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of building thermal insulation, and in particular to a thermal bridge breaking connector of an assembled passive building thermal insulation system. Background Art
[0002] Prefabricated buildings are a type of construction method that uses prefabricated components produced in factories and transported to construction sites for assembly. They have the advantages of controlled quality, energy conservation, environmental protection, and shortened construction periods. As an important component of prefabricated buildings, the insulation system directly affects the energy efficiency and comfort of buildings.
[0003] The existing production methods of building exterior walls all use prefabricated composite processes to produce building exterior wall panels with insulation layers. This type of exterior wall panel with insulation layer is generally composed of three layers, with concrete layers on both sides and an insulation board layer in the middle. Generally, the material strength of the insulation board layer is not high, so the two concrete layers must be connected to form a whole with connectors to achieve better insulation effect. Usually, connectors are only made of metal materials, and the metal connections are not insulated, making it easy for metal connectors to conduct heat between the inner and outer walls, forming thermal bridges that lead to energy loss, condensation on the wall, mold, and other problems, affecting the performance and durability of the building.
[0004] How to develop thermal bridge breaking connectors for prefabricated passive building insulation systems that have a simple structure, are easy to install, reduce thermal bridge effects, and improve building energy efficiency has become a technical problem that needs to be urgently solved by technical personnel in this field. Summary of the invention
[0005] The purpose of the present invention is to provide a prefabricated passive building insulation system thermal bridge breaking connector to solve the problems listed in the background technology.
[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0007] The present invention discloses a thermal-bridge-breaking connector for an assembled passive building insulation system, comprising tension bolts, the outer periphery of which is covered with a thermal-bridge-breaking sleeve, and the thermal-bridge-breaking sleeve is installed in a through hole pre-opened in an insulation wall;
[0008] Connecting components are installed at both ends of the tension bolts, the connecting components are fixedly connected to the wire mesh, and thermal insulation bridge caps are installed at the ends of the tension bolts.
[0009] Preferably, the connecting assembly includes a buckle and a support, the buckle and the support are both mounted on the tension bolt, a nut is installed on the end face of the tension bolt, the nut abuts against the buckle, and the support abuts against the opening of the thermal insulation bridge sleeve.
[0010] Preferably, the buckle is L-shaped, a first elliptical through hole is provided at the long side end of the buckle, a hook is provided at the short side end of the buckle, and the hook faces a side away from the L-shaped surface of the buckle.
[0011] Preferably, the support is L-shaped, and a second elliptical through hole is provided at the long side end of the support;
[0012] The short side ends of the hook and the support are fixedly connected to the wire mesh.
[0013] Preferably, the thermal break bridge sleeve and the thermal break bridge cap are both made of plastic material; the plastic material includes nylon, polyurethane or polyethylene.
[0014] Preferably, the length of the thermal insulation sleeve is 200-500MM.
[0015] Preferably, the diameter of the steel wire mesh is 2.5MM.
[0016] Preferably, the tension bolts, the buckle and the support are all made of metal, and the specification of the tension bolts is M8.
[0017] Compared with the prior art, the beneficial technical effects of the present invention are:
[0018] The prefabricated passive building insulation system thermal bridge breaking connector of the present invention is achieved by installing a thermal bridge breaking sleeve in an insulation wall, installing tension bolts in the thermal bridge breaking sleeve, and fixing the ends of the tension bolts to the steel wire mesh through a connecting assembly. Furthermore, a thermal bridge breaking cap is installed at the end of the tension bolt, and mortar is sprayed on the outer wall surface of the insulation wall to cover the connecting assembly and the thermal bridge breaking cap to block heat transfer. The structure is simple, easy to install, effectively reduces the thermal bridge effect, and improves the energy efficiency of the building. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The present invention will be further described below in conjunction with the accompanying drawings.
[0020] Figure 1 It is a cross-sectional schematic diagram of a thermal-bridge-breaking connector of an assembled passive building insulation system of the present invention;
[0021] Figure 2 It is a top view schematic diagram of the thermal insulation bridge cap of the present invention;
[0022] Figure 3 It is a cross-sectional schematic diagram of the thermal insulation bridge cap of the present invention;
[0023] Figure 4 It is a schematic top view of the buckle of the present invention;
[0024] Figure 5 It is a schematic cross-sectional view of the buckle of the present invention;
[0025] Figure 6 It is a top view schematic diagram of the support of the present invention;
[0026] Figure 7 It is a cross-sectional schematic diagram of the support of the present invention;
[0027] Figure 8 It is a cross-sectional schematic diagram of the use state of the thermal bridge breaking connector of the assembled passive building insulation system of the present invention.
[0028] Explanation of the reference numerals: 1. Thermal break bridge sleeve; 2. Wire mesh; 3. Thermal break bridge cap; 4. Tension bolt; 5. Snap buckle; 6. Support. DETAILED DESCRIPTION
[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0030] like Figure 1-8 As shown, the assembled passive building insulation system thermal bridge breaking connector includes a tension bolt 4, the outer periphery of the tension bolt 4 is covered with a thermal bridge breaking sleeve 1, and the thermal bridge breaking sleeve 1 is installed in a through hole pre-opened in the insulation wall. The thermal bridge breaking sleeve can block the tension bolt from the insulation wall to prevent heat from being transferred between the tension bolt and the insulation wall;
[0031] Connecting components are installed at both ends of the tension bolt 4, and the connecting components are fixedly connected to the wire mesh 2. Thermal break bridge caps 3 are installed at the ends of the tension bolts 4, and the thermal break bridge caps cover the ends of the tension bolts to prevent heat transfer at both ends of the tension bolts.
[0032] Specifically, the connecting assembly includes a buckle 5 and a support 6, and the buckle 5 and the support 6 are both mounted on the tension bolt 4. A nut is installed on the end face of the tension bolt 4, and the nut abuts against the buckle 5, and the support 6 abuts against the opening of the thermal insulation bridge sleeve 1.
[0033] Specifically, the buckle 5 is L-shaped, a first elliptical through hole is provided at the long side of the buckle 5, a hook is provided at the short side of the buckle 5, and the hook faces a side away from the L-shaped surface of the buckle 5;
[0034] The support 6 is L-shaped, and a second elliptical through hole is formed at the long side end of the support 6;
[0035] The short side ends of the hook and the support 6 are fixedly connected to the wire mesh 2;
[0036] The buckle and the support are respectively sleeved on the tension bolt through the first and second elliptical through holes, and are matched with the position of the steel wire mesh through the elliptical through holes.
[0037] Specifically, the thermal break bridge sleeve 1 and the thermal break bridge cap 3 are both made of plastic material; the plastic material includes nylon, polyurethane or polyethylene.
[0038] Specifically, the length of the thermal break sleeve 1 is 200-500 MM, and the length of the thermal break sleeve is determined according to the thickness of the insulation wall.
[0039] Specifically, the diameter of the steel mesh 2 is 2.5MM.
[0040] Specifically, the tension bolt 4, the buckle 5 and the support 6 are all made of metal, and the specification of the tension bolt 4 is M8. The length of the tension bolt is determined according to the thickness of the insulation wall, and a certain length is reserved at the end of the tension bolt for the installation of the connecting component.
[0041] Embodiment 1
[0042] The thickness of the insulation wall is 300MM, the length of the thermal insulation bridge sleeve is 300MM, and the length of the tension bolt is 325MM;
[0043] The thickness of the buckle is 1.2MM, the width of the buckle is 25MM, the height of the short side of the L-shaped buckle is 13.5MM, the length of the long side of the L-shaped buckle is 35MM, and the radius of the hook is 1.25MM;
[0044] The thickness of the support is 1.5MM, the width of the support is 25MM, the height of the short side of the L-shape of the support is 12.5MM, and the length of the long side of the L-shape of the support is 36MM;
[0045] The thermal insulation bridge cap is a hexagonal structure with a wall thickness of 2MM, a distance between two parallel outer sides of 18MM, and a distance between two parallel inner sides of 14MM;
[0046] The first and second elliptical through holes have the same size, the straight section length is 14MM, the radius of the semicircle is 4.5MM, and the distance between the center of the semicircle away from the short side of the L-shape and the side length away from the short side of the L-shape is 10.5MM;
[0047] During installation, install the thermal insulation sleeve in the through hole pre-opened in the insulation wall, so that the opening of the thermal insulation sleeve is flush with the wall surface of the insulation wall, install the tension bolt in the thermal insulation sleeve, and put the support on the end of the tension bolt. The support is in contact with the insulation wall. A steel wire mesh is placed on the L-shaped short side of the support. The center of the steel wire mesh is 15MM away from the wall surface of the insulation wall. The buckle is installed at the end of the tension bolt so that the hook on the buckle cooperates with the L-shaped short side of the support to cover the steel wire mesh, and the nut is tightened on the end of the tension bolt. Further, the support and the buckle cooperate with the steel wire mesh to be fixedly connected;
[0048] Install the thermal insulation cap on the end of the tension bolt, and spray the M20 mortar layer on the outer wall of the insulation wall after installation. The thickness of the mortar layer is 30MM.
[0049] By installing a thermal break sleeve in the insulation wall, installing tension bolts in the thermal break sleeve, and fixing the ends of the tension bolts to the steel wire mesh through connecting components, further, installing thermal break caps on the ends of the tension bolts, spraying mortar on the outer wall surface of the insulation wall, covering the connecting components and the thermal break caps, heat transfer is blocked. The structure is simple, easy to install, effectively reducing the thermal bridge effect, and improving building energy efficiency.
[0050] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0051] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.
Claims
1. A thermal bridge breaking connector for an assembled passive building insulation system, comprising a tension bolt (4), characterized in that: The outer circumference of the tension bolt (4) is covered with a thermal insulation sleeve (1), and the thermal insulation sleeve (1) is installed in a through hole pre-opened in the thermal insulation wall; Connecting components are installed at both ends of the tension bolts (4), the connecting components are fixedly connected to the wire mesh (2), and thermal insulation bridge caps (3) are installed at the ends of the tension bolts (4).
2. The thermal bridge breaking connector of the assembled passive building insulation system according to claim 1 is characterized by: The connection assembly comprises a buckle (5) and a support (6), wherein the buckle (5) and the support (6) are both mounted on the tension bolt (4), a nut is installed on the end face of the tension bolt (4), the nut abuts against the buckle (5), and the support (6) abuts against the opening of the thermal insulation bridge sleeve (1).
3. The thermal bridge breaking connector of the assembled passive building insulation system according to claim 2 is characterized by: The buckle (5) is L-shaped, a first elliptical through hole is provided at the long side end of the buckle (5), a curved hook is provided at the short side end of the buckle (5), and the curved hook faces away from the L-shaped surface of the buckle (5).
4. The thermal bridge breaking connector of the assembled passive building insulation system according to claim 3 is characterized by: The support (6) is L-shaped, and a second elliptical through hole is provided at the long side end of the support (6); The short side ends of the curved hook and the support (6) are fixedly connected to the steel wire mesh (2).
5. The thermal bridge breaking connector of the assembled passive building insulation system according to claim 1 is characterized by: The thermal insulation bridge sleeve (1) and the thermal insulation bridge cap (3) are both made of plastic material; the plastic material includes nylon, polyurethane or polyethylene.
6. The thermal bridge breaking connector of the assembled passive building insulation system according to claim 5 is characterized by: The length of the thermal insulation bridge sleeve (1) is 200-500MM.
7. The thermal bridge breaking connector of the assembled passive building insulation system according to claim 1 is characterized by: The diameter of the steel wire mesh (2) is 2.5MM.
8. The thermal bridge breaking connector of the assembled passive building insulation system according to claim 4 is characterized by: The tension bolts (4), the buckle (5) and the support (6) are all made of metal, and the specification of the tension bolts (4) is M8.