Cable sealing connection mechanism and preparation method

Abstract

This invention relates to the field of wire and cable testing technology, specifically a cable sealing connection mechanism and its manufacturing method. The mechanism includes a cable body and a sealing connection assembly. The cable body is used for conductive connection of an underwater robot. The cable body includes an inner core, a cable fixing layer, a shielding fixing layer, and an outer sheath. The inner core is disposed within the cable fixing layer, the shielding fixing layer is disposed outside the shielding fixing layer, and the outer sheath is extruded over the shielding fixing layer. One end of the cable fixing layer extends beyond the outer sheath, and one end of the cable inner core extends beyond the cable fixing layer. A protective sleeve is provided outside the outer sheath, and the protective sleeve is movably disposed outside the outer sheath. This invention, through the innovative design of the cable body and the sealing connection assembly, achieves efficient protection and reliable, stable connection for the conductive connection of an underwater robot, possessing broad application prospects and market potential.

Description

Technical Field

[0001] This invention relates to the field of wire and cable testing technology, and in particular to a cable sealing connection mechanism and its preparation method. Background Technology

[0002] As infrastructure products in the fields of power transmission and information transmission, wires and cables play a vital role in modern society. With continuous technological advancements, the manufacturing technology and materials for wires and cables are constantly being innovated. The application of new conductor materials, insulation materials, and shielding materials, as well as improvements in production processes, have resulted in wires and cables with higher transmission efficiency, better anti-interference performance, and longer service life. With the development of the global economy and the acceleration of urbanization, the demand for wires and cables is constantly increasing. Especially in emerging fields such as new energy, electric vehicles, and 5G communications, higher requirements are being placed on wires and cables, driving the development of the wire and cable industry.

[0003] Underwater cables are generally used for transmitting electrical signals underwater. When used underwater, the sealing structure of the connection is particularly important. Because the movement of underwater mobile equipment can move the cable, it can affect the connection position. Current methods use multi-layer sealing rings. However, these sealing rings can deform or damage over time, failing to provide a stable connection and adequate protection for the electrical connection. Therefore, improvements to the existing underwater cable sealing connection structure are needed. Summary of the Invention

[0004] To address the aforementioned issues, this invention, through innovative design of the cable body and sealing connection components, achieves efficient protection and reliable, stable connection for the conductive connections of underwater robots. It is a cable sealing connection mechanism and its preparation method with broad application prospects and market potential.

[0005] The technical solution adopted in this invention is: a cable sealing connection mechanism, including a cable body and a sealing connection assembly. The cable body is used for conductive connection of an underwater robot. The cable body includes a cable inner core, a cable fixing layer, a shielding fixing layer, and an outer sheath. The cable inner core is disposed inside the cable fixing layer, the shielding fixing layer is disposed outside the shielding fixing layer, and the outer sheath is extruded and coated on the outside of the shielding fixing layer. One end of the cable fixing layer extends out of the outer sheath, and one end of the cable inner core extends out of the cable fixing layer. A protective sleeve is provided on the outside of the outer sheath, and the protective sleeve is movably disposed on the outside of the outer sheath.

[0006] The sealing connection assembly includes a connecting shell, a flexible connector, an injection-molded connector, and a conductive connector. The connecting shell has a connecting platform and a wiring section. The flexible connector is disposed on the wiring section. The connecting platform has a fixed mounting groove, and the fixed mounting groove has an elastic pressure block. The conductive connector has an axially movable groove, and the conductive connector is movably disposed on the fixed mounting groove through the axially movable groove. The elastic pressure block is used to press the conductive connector onto the fixed mounting groove. The conductive connector is electrically connected to the inner core of the cable. The injection-molded connector is formed by injection molding of the conductive connector, the inner core of the cable, and the cable fixing layer extending beyond the outer sheath. The injection-molded connector is formed by injection molding of silicone or silicone rubber. The protective sleeve is used to cover the outside of the injection-molded connector.

[0007] A further improvement to the above solution is that the cable fixing layer is extruded and covered on the outside of the cable core. The cable fixing layer is provided with an extrusion cavity on the outer periphery of the cable core. Multiple extrusion cavities are provided and are evenly distributed in a circumferential direction on the outer periphery of the cable core.

[0008] A further improvement to the above solution is that the inner core of the cable is formed by twisting multiple strands of copper wire together, and one end of the inner core extending out of the cable fixing layer is welded to a conductive connector.

[0009] A further improvement to the above solution is that a flexible connection layer is provided between the cable fixing layer and the shielding fixing layer. The flexible connection layer is covered by silicone extrusion on the outside of the cable fixing layer. The flexible connection layer is provided with multiple weight-reducing holes, which are evenly distributed in a circumferential direction on the flexible connection layer.

[0010] A further improvement to the above solution is that the shielding and fixing layer is formed by multiple copper metal wires wound in a mesh on the outside of the cable fixing layer, and the outer sheath is extruded and coated on the shielding and fixing layer, with a gap between the outer sheath and the shielding and fixing layer.

[0011] A further improvement to the above solution is that the flexible connector and the conductive connector are integrated by copper wire braiding, and the conductive connector is formed into a structural component by thermal welding.

[0012] A further improvement to the above solution is that a reinforcing ring is provided on the side of the connecting platform facing the wiring part, and an injection-molded connecting groove is provided on the side facing the cable body. The reinforcing ring is located outside the fixed installation groove, and the injection-molded connector fills the injection-molded connecting groove by injection molding.

[0013] A further improvement to the above solution is that the wiring part is provided with a wiring cavity, and the flexible connector extends toward the wiring cavity.

[0014] A further improvement to the above solution is that the injection-molded connector has a protective fixing groove on its exterior, and the protective sleeve has a protective fixing piece on its inner circumference. The protective fixing piece is used to cooperate with the protective fixing groove so that the protective sleeve is fitted over the outside of the injection-molded connector.

[0015] A method for manufacturing a cable sealing connection mechanism, comprising the cable sealing connection mechanism; the manufacturing method includes the following steps:

[0016] Step S1, cable body preparation: multiple strands of copper wire are hinged together to form the inner core of the cable. Then the inner core of the cable is unwound and a cable fixing layer is extruded on the outside. After the cable fixing layer is extruded and shaped, a shielding fixing layer is wound on the outside by winding. Then an outer sheath is extruded and wrapped on the shielding fixing layer and the outer sheath is cooled and shaped.

[0017] Step S2, Preparation of sealing connection component: The connection shell is injection molded by injection molding, the flexible connector is formed by interlacing copper wires to form a braided flexible conductive connector, and a conductive connector is formed at one end of the flexible connector by heat welding. Then the conductive connector is assembled on the fixed mounting groove.

[0018] Step S3, Preparation of cable body and sealing connection assembly: Prepare an injection mold, fix the connecting shell and cable body at both ends of the injection mold, then place the cable core and conductive connector in the injection cavity of the injection mold and weld them together. After welding, close the mold and inject material onto the mold to form an injection-molded connector that covers the conductive connector, cable core and cable fixing layer extending out of the outer sheath. Then, install a protective sleeve on the outer sheath, slide the protective sleeve on the cable body to the injection-molded connector, and cover the injection-molded connector.

[0019] The beneficial effects of this invention are:

[0020] Compared to existing cable sealing structures, this invention achieves highly efficient protection for the conductive connections of underwater robots by comprising an inner cable core, a cable fixing layer, a shielding fixing layer, and an outer sheath. The internal structural design effectively secures the inner cable core, while the external shielding fixing layer and outer sheath provide reliable protection and insulation. Simultaneously, the extruded coating design of the outer sheath enhances overall abrasion resistance and corrosion resistance, making it suitable for the complex conditions of underwater environments.

[0021] The sealing connection assembly's connecting shell features a connecting platform and wiring section. The flexible connector, injection-molded connector, and conductive connector together form a complete sealing connection system. In particular, the conductive connector is movably mounted on the fixed mounting slot via an axially movable groove and is pressed by an elastic pressure block, ensuring the connection's strength and stability, thus providing a reliable conductive connection. The injection-molded connector utilizes silicone or silicone rubber injection molding, providing excellent sealing and corrosion resistance, enabling the entire connection system to operate stably and reliably in underwater environments for extended periods without damage. Simultaneously, the protective sleeve is movable outside the outer sheath, further enhancing the overall protection and flexibility of the connection system, adapting to various usage scenarios and postures. This invention fully considers the special requirements of the underwater environment. Through innovative designs of the cable body and sealing connection assembly, it achieves efficient protection and reliable, stable connection for the conductive connection of underwater robots, demonstrating broad application prospects and market potential.

[0022] The method for preparing the cable sealing connection mechanism achieves precise control and formation of the cable body structure through the preparation of the cable body in step S1, including the extrusion, winding, and cooling shaping processes of the cable core, cable fixing layer, shielding fixing layer, and outer sheath. This ensures that the cable can withstand certain pressure and provide protection in the underwater environment, while possessing good conductivity and durability. In step S2, the sealing connection assembly is prepared by injection molding the connection shell, and the flexibility and conductivity of the connection assembly are effectively improved through the preparation of the braided flexible conductive connector. The assembly and welding operations of the conductive connector ensure the firmness and stability of the connection, laying the foundation for the subsequent overall connection effect. In step S3, during the connection preparation process between the cable body and the sealing connection assembly, the cable body and the sealing connection assembly are reliably connected and a sealing effect is achieved through operations such as injection mold preparation, welding connection, and injection molding encapsulation. The injection-molded connector is formed using silicone or silicone rubber injection molding, providing excellent sealing performance and corrosion resistance for the overall connection system, enabling the entire connection system to operate stably for a long time in the underwater environment without damage. This invention, through precise process operation and innovative design concept, achieves efficient preparation and reliable connection of cable body and sealing connection component, and has broad application prospects and market potential. Attached Figure Description

[0023] Figure 1 This is a three-dimensional schematic diagram of the cable sealing connection mechanism of the present invention;

[0024] Figure 2 for Figure 1 A three-dimensional schematic diagram of the cable sealing connection mechanism from another perspective;

[0025] Figure 3 for Figure 1 A front view schematic diagram of the cable body of the cable sealing connection mechanism;

[0026] Figure 4 for Figure 1 Schematic diagram of the sealing connection mechanism for the cable;

[0027] Figure 5 for Figure 4 Sectional view of AA;

[0028] Figure 6 This is a schematic flowchart of the method for preparing the cable sealing connection mechanism of the present invention.

[0029] Explanation of reference numerals in the attached drawings: Cable body 10, inner core 1, cable fixing layer 2, extrusion cavity 21, flexible connection layer 22, weight reduction hole 221, shielding fixing layer 3, outer sheath 4, protective sleeve 41, protective fixing plate 411;

[0030] Sealing connection assembly 20, connecting shell 5, connecting platform 51, fixed mounting groove 511, elastic pressure block 512, reinforcing ring 513, injection molded connecting groove 514, wiring part 52, wiring cavity 521, flexible connector 6, injection molded connector 7, protective fixing groove 71, conductive connector 8, axial movable groove 81. Detailed Implementation

[0031] To facilitate understanding of the present invention, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of the invention are shown in the drawings. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough and complete understanding of the disclosure of the invention.

[0032] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0033] 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 invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Figures 1-6As shown, in one embodiment of the present invention, a cable sealing connection mechanism is provided, including a cable body 10 and a sealing connection assembly 20. The cable body 10 is used for conductive connection of an underwater robot. The cable body 10 includes a cable inner core 1, a cable fixing layer 2, a shielding fixing layer 3, and an outer sheath 4. The cable inner core 1 is disposed within the cable fixing layer 2, the shielding fixing layer 3 is disposed outside the shielding fixing layer 3, and the outer sheath 4 is extruded and coated on the outside of the shielding fixing layer 3. One end of the cable fixing layer 2 extends outside the outer sheath 4, and one end of the cable inner core 1 extends outside the cable fixing layer 2. A protective sleeve 41 is disposed outside the outer sheath 4, and the protective sleeve 41 is movably disposed outside the outer sheath 4. This embodiment, through the cable body including the cable inner core 1, cable fixing layer 2, shielding fixing layer 3, and outer sheath 4, achieves efficient protection for the conductive connection of the underwater robot. The internal structural design of the cable can effectively fix the cable inner core 1, and the shielding fixing layer 3 and outer sheath 4 on the outside provide reliable protection and insulation performance. Meanwhile, the extrusion coating design of the outer layer 4 enhances the overall wear resistance and corrosion resistance, making it suitable for complex underwater environments.

[0034] The sealing connection assembly 20 includes a connecting shell 5, a flexible connector 6, an injection-molded connector 7, and a conductive connector 8. The connecting shell 5 is provided with a connecting platform 51 and a wiring portion 52. The flexible connector 6 is disposed on the wiring portion 52. The connecting platform 51 is provided with a fixed mounting groove 511. The fixed mounting groove 511 is provided with an elastic pressure block 512. The conductive connector 8 is provided with an axial movable groove 81. The conductive connector 8 is movably disposed on the fixed mounting groove 511 through the axial movable groove 81. The elastic pressure block 512 is used to press the conductive connector 8 onto the fixed mounting groove 511. The conductive connector 8 is electrically connected to the inner core 1 of the cable. The injection-molded connector 7 is injection-molded to cover the conductive connector 8, the inner core 1 of the cable, and the cable fixing layer 2 extending out of the outer sheath 4. The injection-molded connector 7 is formed by injection molding of silicone or silicone rubber. The protective sleeve 41 is used to cover the outside of the injection-molded connector 7. In this embodiment, the connecting shell 5 of the sealing connection assembly 20 is provided with a connecting platform 51 and a wiring part 52. The flexible connector 6, the injection-molded connector 7, and the conductive connector 8 constitute a complete sealing connection system. In particular, the conductive connector 8 is movably mounted on the fixed mounting groove 511 through the axial movable groove 81 and is pressed by the elastic pressure block 512, which can ensure the firmness and stability of the connection, thereby providing a reliable conductive connection effect. The injection-molded connector 7 is designed to be formed by injection molding of silicone or silicone rubber, providing excellent sealing performance and corrosion resistance for the connecting parts, so that the entire connection system can operate stably for a long time in the underwater environment without damage. At the same time, the protective sleeve 41 is movably mounted on the outside of the outer sheath 4, further improving the protection and flexibility of the overall connection system, and can adapt to different usage scenarios with different shapes and postures. The design of this invention fully considers the special requirements of the underwater environment. Through the innovative design of the cable body and the sealing connection assembly 20, it achieves efficient protection and reliable and stable connection effect for the conductive connection of underwater robots, and has broad application prospects and market potential. The combination of flexible connector 6, conductive connector 8, and injection-molded connector 7 creates a complete seal in the connection structure and provides a certain degree of buffering floating force. Furthermore, flexible connector 6 is used for...

[0035] The cable core 1 is formed by twisting multiple copper wires together, and one end of the cable core 1 extending out of the cable fixing layer 2 is welded to the conductive connector 8. In this embodiment, the cable core 1 formed by twisting multiple copper wires together has high conductivity and flexibility, enabling it to provide a stable and reliable conductive connection in complex environments. Furthermore, the welding of one end of the cable core 1 extending out of the cable fixing layer 2 to the conductive connector 8 ensures the strength and stability of the connection, thus achieving a high-quality conductive connection. This design effectively guarantees the signal transmission quality and stability, making it suitable for scenarios with high requirements for conductive connections, such as underwater robots, in special environments.

[0036] The cable fixing layer 2 is extruded and coated onto the outside of the cable core 1. Multiple extrusion cavities 21 are provided on the outer periphery of the cable core 1, evenly distributed circumferentially around the outer periphery of the cable core 1. Specifically, a flexible connecting layer 22 is provided between the cable fixing layer 2 and the shielding fixing layer 3. The flexible connecting layer 22 is extruded and coated onto the outside of the cable fixing layer 2, and multiple weight-reducing holes 221 are provided on the flexible connecting layer 22, evenly distributed circumferentially on the flexible connecting layer 22. In this embodiment, the cable fixing layer 2 is extruded and coated onto the outside of the cable core 1, and the extrusion cavities 21 are provided on the outer periphery of the cable core 1. This design effectively ensures the stable fixation of the cable core 1 and the overall structural stability of the conductor. The extrusion cavities 21 allow the cable fixing layer 2 to evenly cover the outside of the cable core 1, thus providing good mechanical support and protection. A flexible connection layer 22 is provided between the cable fixing layer 2 and the shielding fixing layer 3. The flexible connection layer 22 is made of silicone extrusion and covered on the outside of the cable fixing layer 2, and has multiple weight-reducing holes 221. This design gives the entire connection structure a certain degree of flexibility and elasticity, which can effectively reduce the overall weight of the cable and reduce stress concentration, thereby improving the cable's durability and fatigue resistance. In addition, the design of the weight-reducing holes 221 can reduce the weight of the cable and improve buoyancy when used underwater.

[0037] The shielding and fixing layer 3 is formed by multiple copper wires wound in a mesh pattern outside the cable fixing layer 2. The outer sheath layer 4 is extruded and coated onto the shielding and fixing layer 3, with gaps between the outer sheath layer 4 and the shielding and fixing layer 3. In this embodiment, the shielding and fixing layer 3, formed by multiple copper wires wound in a mesh pattern, effectively improves the cable's anti-interference capability and electromagnetic shielding performance. This shielding structure can effectively reduce the impact of external electromagnetic interference on the cable's transmitted signals, ensuring stable signal transmission and data reliability. The outer sheath layer 4, extruded and coated onto the shielding and fixing layer 3, forms gaps. This design not only enhances the cable's abrasion resistance and corrosion resistance but also effectively prevents moisture and debris from penetrating into the cable, improving the cable's service life and stability.

[0038] The flexible connector 6 and the conductive connector 8 are integrally formed by copper wire braiding, and the conductive connector 8 is formed into a structural component by thermal welding. In this embodiment, the flexible connector 6 and the conductive connector 8, integrally formed by copper wire braiding, provide good flexibility and bending performance, enabling the connector to adapt to complex operating environments and maintain stable conductivity. This design effectively reduces stress concentration at the connection points, improving the overall durability and fatigue resistance of the connection. The conductive connector 8, formed into a structural component by thermal welding, ensures the strength and stability of the connection. Thermal welding can form a reliable metal bond at the connection points, giving the connector good conductivity and mechanical strength, providing a reliable electrical connection for the entire connection system.

[0039] A reinforcing ring 513 is provided on the side of the connecting platform 51 facing the wiring portion 52, and an injection-molded connecting groove 514 is provided on the side facing the cable body 10. The reinforcing ring 513 is located outside the fixed mounting groove 511, and the injection-molded connector 7 fills the injection-molded connecting groove 514 through injection molding. Specifically, the wiring portion 52 is provided with a wiring cavity 521, and the flexible connector 6 extends toward the wiring cavity 521. In this embodiment, the reinforcing ring 513 is provided on the side of the connecting platform 51 facing the wiring portion 52, and the injection-molded connecting groove 514 is provided on the side facing the cable body 10. The reinforcing ring 513 enhances the structural stability and load-bearing capacity of the connecting platform 51, while the injection-molded connecting groove 514 provides additional protection for the connection. Furthermore, filling the injection-molded connecting groove 514 through injection molding effectively fixes the connecting components, enhancing their durability and reliability. The wiring portion 52 is provided with a wiring cavity 521, and the flexible connector 6 extends toward the wiring cavity 521. This design ensures a secure connection between the connecting part and the wiring part 52, and the extension of the flexible connector 6 makes the connection more flexible and reliable. These features together ensure the strength and stability of the connection, thereby improving the reliability and durability of the entire connection system.

[0040] The injection-molded connector 7 has a protective fixing groove 71 on its exterior, and a protective fixing piece 411 is provided on the inner circumference of the protective sleeve 41. The protective fixing piece 411 is used to cooperate with the protective fixing groove 71 so that the protective sleeve 41 is fitted over the outside of the injection-molded connector 7. In this embodiment, the protective fixing groove 71 and the protective fixing piece 411 provide effective protection and fixation for the injection-molded connector 7. By cooperating with the protective fixing groove 71 and the protective fixing piece 411, the protective sleeve 41 can be securely fitted over the outside of the injection-molded connector 7, thereby effectively protecting the connecting parts from the erosion and damage of the external environment, and improving the service life and reliability of the connecting parts. This design scheme also enhances the stability and safety of the connecting parts. The protective sleeve 41 not only reduces the direct impact of external objects on the connecting parts, but also effectively prevents dust, moisture and other impurities from entering the interior of the connecting parts, improving the stability and reliability of the connecting parts.

[0041] See Figures 1-6 As shown, a method for preparing a cable sealing connection mechanism includes the aforementioned cable sealing connection mechanism; the preparation method includes the following steps:

[0042] Step S1, cable body 10 preparation: multiple copper wires are hinged together to form cable core 1, then the cable core 1 is unwound and a cable fixing layer 2 is extruded on the outside. After the cable fixing layer 2 is extruded and shaped, a shielding fixing layer 3 is wound on the outside by winding. Then, an outer sheath layer 4 is extruded and wrapped on the shielding fixing layer 3, and the outer sheath layer 4 is cooled and shaped.

[0043] Step S2, preparation of sealing connection component 20: the connecting shell 5 is injection molded by injection molding, the flexible connector 6 is formed into a braided flexible conductive connector 8 by interlacing copper wires, and a conductive connector 8 is formed at one end of the flexible connector 6 by heat welding. Then the conductive connector 8 is assembled on the fixed mounting groove 511.

[0044] Step S3, connection preparation of cable body 10 and sealing connection assembly 20: Prepare injection mold, fix the connecting shell 5 and cable body 10 at both ends of injection mold respectively, then place cable core 1 and conductive connector 8 into injection cavity of injection mold and weld them together. After welding, close the mold and inject material into the mold to form injection molded connector 7. The conductive connector 8, cable core 1 and cable fixing layer 2 are injected and covered outside the outer sheath 4. Then, install protective sleeve 41 on outer sheath 4, slide the protective sleeve 41 on cable body 10 to injection molded connector 7, and cover injection molded connector 7.

[0045] The above embodiments, through the preparation of the cable body 10 in step S1, including the extrusion, winding, and cooling shaping processes of the inner core 1, cable fixing layer 2, shielding fixing layer 3, and outer sheath 4, achieve precise control and formation of the cable body 10 structure. This ensures that the cable can withstand certain pressure and provide protection in an underwater environment, while possessing good conductivity and durability. In step S2, the sealing connection assembly 20 is prepared by injection molding the connecting shell 5, and the flexibility and conductivity of the connection assembly are effectively improved through the preparation of the braided flexible conductive connector 8. The assembly and welding operations of the conductive connector 8 ensure the firmness and stability of the connection, laying the foundation for the subsequent overall connection effect. In step S3, during the connection preparation process between the cable body 10 and the sealing connection assembly 20, the cable body 10 and the sealing connection assembly 20 are reliably connected and a sealing effect is achieved through operations such as injection mold preparation, welding connection, and injection molding. The injection-molded connector 7 is formed using silicone or silicone rubber injection molding, providing excellent sealing and corrosion resistance for the overall connection system, enabling the entire connection system to operate stably for a long time in an underwater environment without damage. This invention, through precise process operations and innovative design concepts, achieves efficient fabrication and reliable connection of the cable body 10 and the sealing connection assembly 20, possessing broad application prospects and market potential.

[0046] The above embodiments merely illustrate several implementation methods of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A cable sealing connection mechanism, characterized in that: The cable body includes a cable body and a sealing connection assembly. The cable body is used for conductive connection of an underwater robot. The cable body includes a cable core, a cable fixing layer, a shielding fixing layer and an outer sheath. The cable core is disposed inside the cable fixing layer, the shielding fixing layer is disposed outside the shielding fixing layer, and the outer sheath is extruded and coated on the outside of the shielding fixing layer. One end of the cable fixing layer extends out of the outer sheath layer, one end of the cable inner core extends out of the cable fixing layer, and a protective sleeve is provided on the outside of the outer sheath layer, which is movably disposed on the outside of the outer sheath layer. The sealing connection assembly includes a connecting shell, a flexible connector, an injection-molded connector, and a conductive connector. The connecting shell has a connecting platform and a wiring section. The flexible connector is disposed on the wiring section. The connecting platform has a fixed mounting groove, and the fixed mounting groove has an elastic pressure block. The conductive connector has an axially movable groove, and the conductive connector is movably disposed on the fixed mounting groove through the axially movable groove. The elastic pressure block is used to press the conductive connector onto the fixed mounting groove. The conductive connector is electrically connected to the cable core. The injection-molded connector is used to injection mold the conductive connector, the cable core, and the cable fixing layer extending beyond the outer sheath layer. The injection-molded connector is formed by injection molding of silicone or silicone rubber. The protective sleeve is used to cover the outside of the injection-molded connector. The cable fixing layer is extruded and covers the outside of the cable core. The cable fixing layer has extrusion cavities located on the outer periphery of the cable core. Multiple extrusion cavities are provided and are evenly distributed in a circumferential direction on the outer periphery of the cable core. The flexible connector and the conductive connector are integrated by copper wire braiding, and the conductive connector is formed into a structural component by thermal welding. The connecting platform has a reinforcing ring on the side facing the wiring part and an injection molding connecting groove on the side facing the cable body. The reinforcing ring is located outside the fixed installation groove, and the injection molding connector fills the injection molding connecting groove by injection molding. The wiring section is provided with a wiring cavity, and the flexible connector extends toward the wiring cavity; The injection-molded connector has a protective fixing groove on its exterior, and the protective sleeve has a protective fixing piece on its inner circumference. The protective fixing piece is used to cooperate with the protective fixing groove so that the protective sleeve is fitted over the outside of the injection-molded connector.

2. The cable sealing connection mechanism according to claim 1, characterized in that: The inner core of the cable is formed by twisting multiple strands of copper wire together, and one end of the inner core extending out of the cable fixing layer is welded to the conductive connector.

3. The cable sealing connection mechanism according to claim 2, characterized in that: A flexible connection layer is provided between the cable fixing layer and the shielding fixing layer. The flexible connection layer is covered by silicone extrusion on the outside of the cable fixing layer. The flexible connection layer is provided with multiple weight reduction holes, which are evenly distributed in a circumferential direction on the flexible connection layer.

4. The cable sealing connection mechanism according to claim 1, characterized in that: The shielding and fixing layer is formed by multiple copper metal wires wound in a mesh on the outside of the cable fixing layer. The outer sheath is extruded and coated on the shielding and fixing layer, and there is a gap between the outer sheath and the shielding and fixing layer.

5. A method for preparing a cable sealing connection mechanism, characterized in that: Used to manufacture the cable sealing connection mechanism according to any one of claims 1 to 4; The preparation method includes the following steps: Step S1, cable body preparation: multiple strands of copper wire are hinged together to form the inner core of the cable. Then the inner core of the cable is unwound and a cable fixing layer is extruded on the outside. After the cable fixing layer is extruded and shaped, a shielding fixing layer is wound on the outside by winding. Then an outer sheath is extruded and wrapped on the shielding fixing layer and the outer sheath is cooled and shaped. Step S2, Preparation of sealing connection component: The connection shell is injection molded by injection molding, the flexible connector is formed by interlacing copper wires to form a braided flexible conductive connector, and a conductive connector is formed at one end of the flexible connector by heat welding. Then the conductive connector is assembled on the fixed mounting groove. Step S3, Preparation of cable body and sealing connection assembly: Prepare an injection mold, fix the connecting shell and cable body at both ends of the injection mold, then place the cable core and conductive connector in the injection cavity of the injection mold and weld them together. After welding, close the mold and inject material onto the mold to form an injection molded connector that covers the conductive connector, cable core and cable fixing layer extending out of the outer sheath. Then, install a protective sleeve on the outer sheath and slide it on the cable body to the injection molded connector, covering the injection molded connector.

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