Thermal insulation integrated system connecting piece

By combining a nylon 66 main connecting rod, a ceramic fiber composite thermal break ring, and a stainless steel sleeve with a locking nut design, the problems of thermal bridging, insufficient tensile strength, and inaccurate installation in traditional insulation systems are solved, resulting in a connector with high-efficiency insulation and long service life.

CN223937341UActive Publication Date: 2026-02-24CHINA CONSTR SECOND ENG BUREAU LTD
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Patent Information

Application Number
CN202520305756.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-24
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Traditional insulation systems suffer from problems such as thermal bridging, insufficient tensile strength, inaccurate installation and positioning, and poor durability.

Method used

The structure employs a nylon 66 main connecting rod, an annular ceramic fiber composite thermal break ring, a 304 stainless steel sleeve, and a combination of locking nuts. Combined with a dovetail-shaped limiting groove and anti-slip texture design, it forms a three-layer thermal break structure and a double waterproof barrier, ensuring installation accuracy and sealing.

Benefits of technology

It improves tensile strength, reduces thermal conductivity, enhances insulation performance, ensures installation efficiency and system stability, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heat preservation integrated system connecting piece. The heat preservation integrated system connecting piece comprises a main connecting rod, a heat insulation ring, an embedded sleeve, a locking nut and a sealing gasket. The surface of the main connecting rod is provided with external threads, the middle of the main connecting rod is sleeved with a heat breaking ring, the two ends of the main connecting rod are sleeved with embedded sleeves, the inner walls of the embedded sleeves and the locking nuts are provided with internal threads matched with the external threads of the main connecting rod, sealing gaskets are arranged between the locking nuts and the embedded sleeves, and the two ends of the main connecting rod are each provided with three dovetail-shaped limiting clamping grooves. The tensile strength is improved through the composite material structure, the heat conductivity coefficient is reduced through the three-layer heat insulation design, the installation efficiency is optimized through the design of the dovetail-shaped limiting clamping grooves and the anti-skid lines, and the durability is enhanced through the combination of the EPDM sealing gasket and the corrosion-resistant material; the problems of thermal bridge effect, insufficient tensile strength, inaccurate installation and positioning, poor durability and the like of a traditional thermal insulation system connecting piece are effectively solved.
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Description

Technical Field

[0001] This utility model relates to the field of building energy conservation technology, and more specifically, to a connector for an integrated thermal insulation system. Background Technology

[0002] Traditional insulation systems often use metal anchors, which suffer from significant thermal bridging, causing heat to transfer through the anchors and reducing insulation effectiveness. While some existing connectors use plastic, improving thermal conductivity, they suffer from insufficient tensile strength and inaccurate installation positioning. Their single-point locking structure is prone to loosening under temperature-induced deformation, affecting system safety. Therefore, a new integrated insulation system connector is needed that combines excellent insulation performance with guaranteed structural strength and installation accuracy. Summary of the Invention

[0003] The purpose of this utility model is to provide a connector for an integrated thermal insulation system, which aims to solve the problems of thermal bridging effect, insufficient tensile strength, inaccurate installation positioning and poor durability in the existing technology.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A connector for an integrated thermal insulation system includes a main connecting rod with external threads on its surface. A thermal break ring is fitted into the middle of the main connecting rod. Embedded sleeves are fitted into both ends of the main connecting rod. The inner wall of the embedded sleeves has internal threads that match the external threads of the main connecting rod. A locking nut is provided on the outer side of the embedded sleeve. The locking nut has internal threads that match the external threads of the main connecting rod. The locking nut is fitted into both ends of the main connecting rod. A sealing gasket is provided between the locking nut and the embedded sleeve. Three axially extending limiting grooves are provided at each end of the main connecting rod. The cross-section of the limiting grooves is dovetail-shaped.

[0006] As an improvement of this utility model, the limiting groove has a depth of 5mm, a groove width that gradually narrows from the outside to the inside, a groove opening width of 8mm, and a groove bottom width of 5mm.

[0007] As an improvement of this utility model, the sealing gasket has a thickness of 2mm, an inner diameter that is 0.5mm larger than the diameter of the main connecting rod, and an outer diameter that is 3mm larger than the outer diameter of the pre-embedded sleeve.

[0008] As an improvement of this utility model, the main connecting rod is a cylinder injection molded from nylon 66, the heat insulation ring is an annular ceramic fiber composite material component, the pre-embedded sleeve is a round tubular component made of 304 stainless steel, the locking nut is a hexagonal brass component, and the sealing gasket is an annular EPDM rubber component.

[0009] As an improvement of this utility model, the outer surface of the pre-embedded sleeve is provided with anti-slip texture, which is annular grooves spaced 2mm apart, with a groove depth of 0.5mm and a groove width of 1mm.

[0010] As an improvement of this utility model, the axial length of the heat-breaking ring is 30mm, the inner diameter is 0.2mm larger than the diameter of the main connecting rod, and the outer diameter is 2mm smaller than the outer diameter of the pre-embedded sleeve.

[0011] The integrated thermal insulation system connector of this utility model has the following beneficial effects:

[0012] (1) This utility model adopts a composite structure of nylon main rod and stainless steel sleeve, with a tensile strength of up to 8kN, which is 300% higher than that of pure plastic parts. At the same time, the three-layer heat insulation design (nylon matrix + ceramic fiber ring + air insulation layer) reduces the thermal conductivity to 0.25W / (m·K), effectively blocking heat transfer and improving the heat preservation performance.

[0013] (2) The dovetail-shaped limiting groove design, combined with standardized tools, reduces the single-point installation time to 30 seconds, significantly improving construction efficiency. The anti-slip texture design on the outer surface of the pre-embedded sleeve increases the gripping force by 40%, reduces construction errors, and ensures accurate installation positioning.

[0014] (3) The EPDM gasket forms a double waterproof barrier and maintains its sealing performance after 200 freeze-thaw cycles, effectively preventing moisture intrusion. The brass nut and stainless steel sleeve form a corrosion-resistant combination with a service life of up to 25 years, significantly improving the long-term stability of the system. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] List of identifiers in attached diagrams:

[0017] 1. Main connecting rod; 2. Thermal break ring; 3. Embedded sleeve; 4. Locking nut; 5. Sealing gasket; 6. Limiting groove. Detailed Implementation

[0018] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. It should be noted that the terms "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the accompanying drawings, and the terms "inner" and "outer" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0019] Furthermore, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] A connector for an integrated thermal insulation system includes a main connecting rod 1 with external threads on its surface. A thermal break ring 2 is sleeved in the middle of the main connecting rod 1. Embedded sleeves 3 are sleeved at both ends of the main connecting rod 1. The inner wall of the embedded sleeves 3 has internal threads that match the external threads of the main connecting rod 1. Locking nuts 4 are provided on the outer side of the embedded sleeves 3. The locking nuts 4 have internal threads that match the external threads of the main connecting rod 1. The locking nuts 4 are sleeved at both ends of the main connecting rod 1. A sealing gasket 5 is provided between the locking nuts 4 and the embedded sleeves 3. Three axially extending limiting grooves 6 are provided at each end of the main connecting rod 1. The cross-section of the limiting grooves 6 is dovetail-shaped.

[0021] The limiting slot 6 described in this utility model has a depth of 5mm, a width that gradually narrows from the outside to the inside, a slot opening width of 8mm, and a slot bottom width of 5mm.

[0022] The sealing gasket 5 of this utility model has a thickness of 2mm, an inner diameter that is 0.5mm larger than the diameter of the main connecting rod 1, and an outer diameter that is 3mm larger than the outer diameter of the pre-embedded sleeve 3.

[0023] The main connecting rod 1 of this utility model is a cylinder injection molded from nylon 66, the heat insulation ring 2 is an annular ceramic fiber composite material component, the pre-embedded sleeve 3 is a round tubular component made of 304 stainless steel, the locking nut 4 is a hexagonal brass component, and the sealing gasket 5 is an annular EPDM rubber component.

[0024] The outer surface of the pre-embedded sleeve 3 of this utility model is provided with anti-slip texture. The anti-slip texture is annular grooves spaced 2mm apart, with a groove depth of 0.5mm and a groove width of 1mm.

[0025] The heat-breaking ring 2 of this utility model has an axial length of 30mm, an inner diameter that is 0.2mm larger than the diameter of the main connecting rod 1, and an outer diameter that is 2mm smaller than the outer diameter of the pre-embedded sleeve 3.

[0026] The working process of the connector for the integrated thermal insulation system provided by this utility model is as follows:

[0027] During construction, the pre-embedded sleeve 3 is first pre-inserted into the insulation layer. Then, the main connecting rod 1 is screwed into the pre-embedded sleeve 3, causing the limiting groove 6 to mechanically engage with the insulation board, achieving precise installation and positioning. Next, the sealing gasket 5 is placed between the pre-embedded sleeve 3 and the locking nut 4. By tightening the locking nut 4, axial pressure is applied, causing the sealing gasket 5 to deform and achieve a sealing effect. Finally, the heat-breaking ring 2 is sleeved on the middle of the main connecting rod 1, blocking the axial heat conduction path of the main connecting rod 1. Together with the air insulation layer, it forms multiple thermal resistances, further improving the insulation performance.

[0028] The working principle of the integrated insulation system connector provided by this utility model is as follows:

[0029] Thermal Insulation Principle: The main connecting rod 1 is made of nylon 66, which has a low thermal conductivity. The thermal break ring 2 is made of ceramic fiber composite material, which has excellent thermal insulation performance and can effectively block the conduction of heat along the axial direction of the main connecting rod 1. At the same time, the air insulation layer formed between the thermal break ring 2 and the main connecting rod 1 further enhances the thermal insulation effect, reducing the thermal conductivity of the entire connector to 0.25 W / (m·K).

[0030] Sealing principle: A sealing gasket 5 is provided between the locking nut 4 and the pre-embedded sleeve 3. When the locking nut 4 is tightened, axial pressure is applied to the sealing gasket 5, causing the sealing gasket 5 to undergo elastic deformation and fit tightly between the pre-embedded sleeve 3 and the locking nut 4, forming a double waterproof barrier, effectively preventing water intrusion and ensuring the sealing of the connection.

[0031] Installation and positioning principle: Three dovetail-shaped limiting grooves 6 are opened at each end of the main connecting rod 1, with the groove width gradually narrowing from the outside to the inside. During installation, the limiting grooves 6 cooperate with the insulation to quickly match the main connecting rod 1 with the dovetail-shaped grooves reserved in the insulation board, ensuring accurate installation positioning and improving installation efficiency. The anti-slip design texture on the outer surface of the embedded sleeve 3 increases the friction between the sleeve and the insulation layer, further improving the stability and reliability of the installation.

[0032] The accompanying drawings merely illustrate the technical concept of this utility model and should not be construed as limiting the scope of protection of this utility model. For those skilled in the art, various improvements and modifications can be made without departing from the principle of this utility model, and all such improvements and modifications fall within the scope of protection of the claims of this utility model.

Claims

1. A connector for an integrated thermal insulation system, comprising a main connecting rod, wherein the surface of the main connecting rod is provided with external threads, characterized in that: A heat-insulating ring is sleeved in the middle of the main connecting rod, and pre-embedded sleeves are sleeved at both ends of the main connecting rod. The inner wall of the pre-embedded sleeve is provided with an internal thread that matches the external thread of the main connecting rod. A locking nut is provided on the outer side of the pre-embedded sleeve. The locking nut is provided with an internal thread that matches the external thread of the main connecting rod. The locking nut is sleeved on both ends of the main connecting rod. A sealing gasket is provided between the locking nut and the pre-embedded sleeve. Three axially extending limiting grooves are opened at each end of the main connecting rod. The cross-section of the limiting groove is dovetail-shaped.

2. The connector for the integrated thermal insulation system according to claim 1, characterized in that: The limiting slot has a depth of 5mm, a width that gradually narrows from the outside to the inside, a slot opening width of 8mm, and a slot bottom width of 5mm.

3. The connector for the integrated thermal insulation system according to claim 1, characterized in that: The sealing gasket is 2mm thick, with an inner diameter 0.5mm larger than the diameter of the main connecting rod and an outer diameter 3mm larger than the outer diameter of the pre-embedded sleeve.

4. The connector for the integrated thermal insulation system according to claim 3, characterized in that: The main connecting rod is a cylinder injection molded from nylon 66, the heat insulation ring is a ring-shaped ceramic fiber composite material component, the pre-embedded sleeve is a round tubular component made of 304 stainless steel, the locking nut is a hexagonal brass component, and the sealing gasket is a ring-shaped EPDM rubber component.

5. The connector for the integrated thermal insulation system according to claim 1, characterized in that: The outer surface of the pre-embedded sleeve is provided with anti-slip texture, which is annular grooves spaced 2mm apart, with a groove depth of 0.5mm and a groove width of 1mm.

6. The connector for the integrated thermal insulation system according to claim 1, characterized in that: The axial length of the heat-breaking ring is 30mm, the inner diameter is 0.2mm larger than the diameter of the main connecting rod, and the outer diameter is 2mm smaller than the outer diameter of the pre-embedded sleeve.