Riveting flexible connection structure

By using a riveted flexible connection structure, the complex problems of high-temperature and high-pressure welding and electroplating are solved, enabling low-energy processing and long-life products, and improving the stability and heat dissipation performance of the flexible connection.

CN224054549UActive Publication Date: 2026-03-27BEIJING VICTORY ELECTRICAL TECH DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing flexible connection structures involve complex welding and electroplating processes under high temperature and pressure, resulting in high processing energy consumption, low product fatigue life, and high risk of electroplating defects.

Method used

The system employs a flexible riveting connection structure, including copper foil flexible connections, a riveting mechanism, and a buffer heat dissipation mechanism. Copper plates are connected by rivets and thermally conductive adhesive pillars to avoid welding deformation. Hard connection electroplating is used, combined with umbrella-shaped elastic pads and heat dissipation fins to improve shock resistance and heat dissipation efficiency.

Benefits of technology

Reduce welding processes, lower energy consumption, improve product lifespan, reduce electroplating complexity and adverse risks, enhance structural stability and heat dissipation efficiency, and extend fatigue life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of flexible connection, in particular to a riveting flexible connection structure which comprises a copper foil flexible connection, a riveting mechanism is arranged at one end of the copper foil flexible connection, a buffer heat dissipation mechanism is arranged at the other end of the copper foil flexible connection, and in the using process, an embedding hole is formed in the middle of the copper foil flexible connection, and the copper foil flexible connection is connected with the buffer heat dissipation mechanism. The upper silver-plated copper plate and the lower silver-plated copper plate are fixed through countersunk head copper rivets, so that heat influence is reduced, deformation caused by welding is avoided, the upper silver-plated copper plate and the lower silver-plated copper plate are consistent in size, a sandwich type composite structure is integrally formed, meanwhile, the upper silver-plated copper plate and the lower silver-plated copper plate are plated with silver in advance, and the heat dissipation efficiency is improved. The electrical conductivity is improved, the elastic buffer layer can absorb impact energy, the heat dissipation fins can increase the heat dissipation area of the device and improve the heat dissipation efficiency, and the umbrella-shaped elastic gasket made of beryllium bronze is arranged, so that the shock resistance of the device can be improved to a certain extent, and the service life of the product is greatly prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of flexible connection especially relates to a riveting flexible connection structure. BACKGROUND

[0002] In many fields such as modern industrial manufacturing and electronic equipment production, the connection structure plays a vital role, as the key part of realizing the electrical connection and mechanical stable combination between different components, the performance of the connection structure directly concerns the operation reliability, stability and service life of the whole system, the traditional connection structure forms a relatively mature process system in long-term industrial practice, the traditional flexible connection is composed of two ends and middle welding, due to the large size of the middle welding, the welding process is long, leading to the root of the welding opening is easy to wrinkle, and the product life is low, the conductive lap joint area is required to be electroplated to ensure the electrical performance, the traditional flexible connection can only be electroplated (due to the large size of the welding opening, the patch process cannot be used), the copper foil is easy to be penetrated by acid liquid in the electroplating process, and it cannot be cleaned completely, and the risk of acid corrosion is easy to occur, therefore, a riveting flexible connection structure is particularly needed.

[0003] However, the existing flexible connection structure is mostly made by stacking copper plates and multiple layers of copper foils and diffusion welding to an integral body, and then silver plating is performed to increase the surface conductivity, in the actual processing flow, the diffusion welding needs to be performed in a high-temperature and high-pressure environment, which not only requires special high-temperature furnaces and high-pressure equipment, but also the entire welding process lasts for a long time, resulting in high processing energy consumption, in addition, the electroplating process used for silver plating is quite complex, and any deviation in any link may lead to poor electroplating, the fatigue life of the product is low due to the influence of welding heat, the electroplating process is complex and the risk of poor electroplating is high, and the product life is affected. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a riveting flexible connection structure to solve the problems of the existing flexible connection structure as described in the background art, which is mostly made by stacking copper plates and multiple layers of copper foils and diffusion welding to an integral body, and then silver plating is performed to increase the surface conductivity, in the actual processing flow, the diffusion welding needs to be performed in a high-temperature and high-pressure environment, which not only requires special high-temperature furnaces and high-pressure equipment, but also the entire welding process lasts for a long time, resulting in high processing energy consumption, in addition, the electroplating process used for silver plating is quite complex, and any deviation in any link may lead to poor electroplating, the fatigue life of the product is low due to the influence of welding heat, the electroplating process is complex and the risk of poor electroplating is high, and the product life is affected.

[0005] To achieve the above object, the utility model provides the following technical scheme: a riveting flexible connection structure, including copper foil soft connection, the one end of copper foil soft connection is provided with riveting mechanism, the other end of copper foil soft connection is provided with buffer heat dissipation mechanism;

[0006] The riveting mechanism comprises an embedding hole, a heat-conducting glue column, a countersunk copper rivet, an upper silver-plated copper plate and a lower silver-plated copper plate, one end of the copper foil soft connection surface is provided with the embedding hole, the surface of the embedding hole is embeddedly connected with the heat-conducting glue column for directional conduction of hot spots, both ends of the heat-conducting glue column are fixedly connected with the countersunk copper rivet, one side of the surface of the countersunk copper rivet is penetratedly connected with the upper silver-plated copper plate, and the other side of the surface of the countersunk copper rivet is penetratedly connected with the lower silver-plated copper plate.

[0007] Preferably, the embedding hole is provided with nine groups and is uniformly distributed, and the upper silver-plated copper plate and the lower silver-plated copper plate are consistent in size.

[0008] Preferably, the material of the heat-conducting glue column is an epoxy resin matrix filled with a mixture of aluminum nitride and silver powder.

[0009] Preferably, the buffer heat dissipation mechanism comprises an umbrella-shaped elastic gasket, an elastic buffer layer and a heat dissipation fin, one side of the surface of the countersunk copper rivet is penetratedly connected with the umbrella-shaped elastic gasket for pressure dispersion, both ends of the copper foil soft connection are fixedly connected with the elastic buffer layer for shock energy absorption, and one end of the surface of the upper silver-plated copper plate is fixedly connected with the heat dissipation fin for increasing a heat dissipation area.

[0010] Preferably, the inside of the elastic buffer layer is a honeycomb hollow structure, and the heat dissipation fin is wave-shaped.

[0011] Preferably, the material of the umbrella-shaped elastic gasket is beryllium bronze.

[0012] Compared with the prior art, the riveting flexible connection structure has the advantages that: the internal corresponding adjusting mechanism is arranged, the flexible connection is adopted, one welding process can be reduced, the processing energy consumption is reduced, the influence of welding on the material strength is avoided, the product service life is improved, the flexible connection electroplating is changed into hard connection (copper plate) electroplating, the electroplating process complexity is reduced, the electroplating risk is reduced, the cost is saved, the device increases the surface area through the heat dissipation fin to improve the heat dissipation efficiency, absorbs the shock energy through the elastic buffer layer to prolong the fatigue life, and the product service life is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a side appearance structure schematic view of the utility model;

[0014] Figure 2 It is a partial riveting mechanism and buffer heat dissipation mechanism exploded structure schematic view of the utility model;

[0015] Figure 3 It is a partial riveting mechanism and buffer heat dissipation mechanism exploded structure schematic view of the utility model; Figure 1 It is a partial riveting mechanism and buffer heat dissipation mechanism exploded structure schematic view of the utility model;

[0016] Figure 4 Part of the heat-conducting glue column and the counter-sunk copper rivet mutual cooperation structure schematic view of the utility model;

[0017] Figure 5 Part of the counter-sunk copper rivet structure schematic view of the utility model.

[0018] In the drawing: 1, copper foil soft connection; 2, riveting mechanism; 201, embedded hole; 202, heat-conducting glue column; 203, counter-sunk copper rivet; 204, upper silver-plated copper plate; 205, lower silver-plated copper plate; 3, buffering and heat-dissipating mechanism; 301, umbrella-shaped elastic gasket; 302, elastic buffer layer; 303, heat-dissipating fin. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Please refer to Figures 1-5 The utility model provides a technical scheme: a riveting flexible connection structure, including copper foil soft connection 1, the one end of copper foil soft connection 1 is provided with riveting mechanism 2, and the other end of copper foil soft connection 1 is provided with buffering and heat-dissipating mechanism 3;

[0021] Riveting mechanism 2 includes embedded hole 201, heat-conducting glue column 202, counter-sunk copper rivet 203, upper silver-plated copper plate 204 and lower silver-plated copper plate 205, and the one end of the surface of copper foil soft connection 1 is provided with embedded hole 201, the surface of embedded hole 201 is embeddedly connected with heat-conducting glue column 202 for directional heat conduction point, the two ends of heat-conducting glue column 202 are fixedly connected with counter-sunk copper rivet 203, the one side of the surface of counter-sunk copper rivet 203 is connected with upper silver-plated copper plate 204, and the other side of the surface of counter-sunk copper rivet 203 is connected with lower silver-plated copper plate 205, in the use process, the middle of copper foil soft connection 1 has embedded hole 201, the surface of embedded hole 201 is embedded with heat-conducting glue column 202, and upper silver-plated copper plate 204 and lower silver-plated copper plate 205 are fixed with counter-sunk copper rivet 203, so that the heat influence is reduced, the deformation caused by welding is avoided, upper silver-plated copper plate 204 and lower silver-plated copper plate 205 are consistent in size, make the whole constitute sandwich type composite structure, and upper silver-plated copper plate 204 and lower silver-plated copper plate 205 are plated with silver in advance, improve the conductivity. Counter-sunk copper rivet 203 is evenly distributed, and the structure is stable, in addition, the number and distribution of rivets 9 are uniformly distributed to uniformly disperse stress and ensure the firm structure.

[0022] Further, the nine sets of embedded holes 201 are uniformly distributed, the upper silver-plated copper plate 204 and the lower silver-plated copper plate 205 are of the same size, and the nine sets of embedded holes 201 can be matched with the nine sets of heat-conducting glue columns 202 and the sunken copper rivets 203, so that the stress is uniformly dispersed, the structure of the device is firm, the upper silver-plated copper plate 204 and the lower silver-plated copper plate 205 are matched with each other through the same size of the upper silver-plated copper plate 204 and the lower silver-plated copper plate 205, and the device is protected and reinforced, and the silver plating improves the electrical conductivity.

[0023] Further, the heat-conducting glue column 202 is made of an epoxy resin matrix filled with a mixture of aluminum nitride and silver powder, and the heat-conducting glue column 202 made of the epoxy resin matrix filled with the mixture of aluminum nitride and silver powder ensures seamless connection of the riveting process, avoids local hot spots caused by transverse heat diffusion, fills the riveting gap, eliminates vibration and micro-motion wear, and improves the service life of the device.

[0024] Further, the buffer heat dissipation mechanism 3 includes an umbrella-shaped elastic gasket 301, an elastic buffer layer 302, and a heat dissipation fin 303, one side of the surface of the sunken copper rivet 203 is connected with the umbrella-shaped elastic gasket 301 for dispersing pressure, both ends of the copper foil soft connection 1 are fixedly connected with the elastic buffer layer 302 for absorbing impact energy, and one end of the surface of the upper silver-plated copper plate 204 is fixedly connected with the heat dissipation fin 303 for increasing the heat dissipation area. In use, the umbrella-shaped design of the umbrella-shaped elastic gasket 301 is used for dispersing pressure, so that the device has better shock resistance and impact resistance, the elastic buffer layer 302 can absorb impact energy, and the heat dissipation fin 303 can increase the heat dissipation area of the device and improve the heat dissipation efficiency.

[0025] Further, the inside of the elastic buffer layer 302 is a honeycomb hollow structure, and the heat dissipation fin 303 is wave-shaped. Through the setting of the honeycomb hollow structure elastic buffer layer 302, the honeycomb hollow structure can provide multi-directional buffering and absorb impact energy while keeping the structure lightweight, having high energy absorption rate, lightweight, adapting to complex stress, temperature resistance and other advantages. Through the setting of the wave-shaped heat dissipation fin 303, the heat dissipation efficiency of the device is improved by increasing the surface area.

[0026] Further, the material of the umbrella-shaped elastic gasket 301 is beryllium bronze. Through the setting of the beryllium bronze umbrella-shaped elastic gasket 301, the beryllium bronze material has good electrical conductivity and elasticity, which can improve the vibration resistance of the device to a certain extent.

[0027] Working principle: in the use process, the copper foil soft connection 1 has an embedded hole 201 in the middle, the surface of the embedded hole 201 is embedded with a heat-conducting glue column 202, the upper silver-plated copper plate 204 and the lower silver-plated copper plate 205 are fixed with countersunk copper rivets 203, which reduces the thermal influence and avoids the deformation caused by welding. The upper silver-plated copper plate 204 and the lower silver-plated copper plate 205 are the same size, so that the whole constitutes a sandwich composite structure. In addition, the upper silver-plated copper plate 204 and the lower silver-plated copper plate 205 are pre-plated with silver, which improves the electrical conductivity. The countersunk copper rivets 203 are evenly distributed to ensure the stability of the structure. In addition, the number and distribution of rivets are evenly distributed to evenly disperse the stress. Through the arrangement of nine groups of embedded holes 201, nine groups of heat-conducting glue columns 202 cooperate with the countersunk copper rivets 203, so that the stress is better dispersed, the structure of the device is firm, and the upper silver-plated copper plate 204 and the lower silver-plated copper plate 205 are arranged to be the same size, so that the upper silver-plated copper plate 204 and the lower silver-plated copper plate 205 cooperate with each other to protect and reinforce the device. At the same time, silver plating improves the electrical conductivity. Through the arrangement of the epoxy resin matrix filled with aluminum nitride and silver powder mixture material heat-conducting glue column 202, the riveting process is seamlessly connected, the local hot spot caused by horizontal heat diffusion is avoided, the riveting gap can be filled, the vibration and slight wear are eliminated, and the service life of the device is improved. The umbrella-shaped elastic gasket 301 is used to disperse pressure, so that the device has better shock resistance and impact resistance. The elastic buffer layer 302 can absorb impact energy, the heat dissipation fin 303 can improve the heat dissipation area of the device and improve the heat dissipation efficiency. Through the arrangement of the beryllium bronze material umbrella-shaped elastic gasket 301, the beryllium bronze material has good electrical conductivity and elasticity, which can improve the shock resistance of the device to a certain extent, and greatly improve the service life of the product.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A crimped flexible connection structure comprising a copper foil soft connection (1), characterized in that: One end of the copper foil flexible connection (1) is provided with a riveting mechanism (2), and the other end of the copper foil flexible connection (1) is provided with a buffer heat dissipation mechanism (3); The riveting mechanism (2) comprises an embedded hole (201), a heat-conducting glue column (202), a countersunk copper rivet (203), an upper silver-plated copper plate (204) and a lower silver-plated copper plate (205), one end of the surface of the copper foil flexible connection (1) is provided with the embedded hole (201), the surface of the embedded hole (201) is embeddedly connected with the heat-conducting glue column (202) for directional conduction of hot spots, both ends of the heat-conducting glue column (202) are fixedly connected with the countersunk copper rivet (203), one side of the surface of the countersunk copper rivet (203) penetrates through the upper silver-plated copper plate (204), and the other side of the surface of the countersunk copper rivet (203) penetrates through the lower silver-plated copper plate (205).

2. A riveted flexible connection structure according to claim 1, wherein: The embedded hole (201) is provided with nine groups and is uniformly distributed, and the upper silver-plated copper plate (204) and the lower silver-plated copper plate (205) are consistent in size.

3. The riveted flexible connection structure of claim 1, wherein: The material of the heat-conducting glue column (202) is an epoxy resin matrix filled with a mixture of aluminum nitride and silver powder.

4. The riveted flexible connection structure of claim 1, wherein: The buffer heat dissipation mechanism (3) comprises an umbrella-shaped elastic gasket (301), an elastic buffer layer (302) and a heat dissipation fin (303), one side of the surface of the countersunk copper rivet (203) penetrates through the umbrella-shaped elastic gasket (301) for pressure dispersion, both ends of the copper foil flexible connection (1) are fixedly connected with the elastic buffer layer (302) for absorbing impact energy, and one end of the surface of the upper silver-plated copper plate (204) is fixedly connected with the heat dissipation fin (303) for increasing the heat dissipation area.

5. A clinched flexible connection according to claim 4, wherein: The elastic buffer layer (302) is in a honeycomb hollow structure, and the heat dissipation fin (303) is in a wave shape.

6. A clinched flexible connection according to claim 4, wherein: The material of the umbrella-shaped elastic gasket (301) is beryllium bronze.