Cable assembly with simplified design

By simplifying the design of the cable assembly and concentrating the junction points within the junction box, the problem of sealing failure in deep-water sealing applications is solved using plug-socket connections and sealing structures, resulting in a highly stable and easy-to-maintain cable assembly.

CN121602139APending Publication Date: 2026-03-03CHINA AVIATION OPTICAL ELECTRICAL TECH CO LTD
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Patent Information

Application Number
CN202511521038.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-23
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing cable assemblies are at high risk of sealing failure in deep-water sealing applications due to their multiple branching points and numerous transition points. Existing transition methods cannot meet the sealing requirements of complex cable networks.

Method used

The cable assembly features a simplified design, allowing for detachable connection between the cable and conductor via plugs and sockets within the adapter box. All connection points are centralized within the adapter box, which is sealed using sealing rings and gaskets. The conductor ends are tinned and potted with adhesive to prevent oxidation. The adapter box is designed in a triangular prism shape to fit the magazine.

Benefits of technology

It improves the sealing and stability of cable assemblies, simplifies the maintenance and adjustment process, reduces the risk of seal failure, and enhances conductivity and service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a cable assembly, in particular to a cable assembly with simplified design, which comprises an adapter box and a plurality of cables detachably connected with the adapter box, a plurality of leads used for connecting and conducting core wires in different cables are arranged in the adapter box, M leads and N leads are arranged in the adapter box, the value of M and the value of N are equal or unequal and are positive integers, one ends of the M wires and one ends of the N wires are connected in a conducting mode, and the other ends of the M wires and the other ends of the N wires are connected with corresponding core wires in different cables in a conducting mode respectively. According to the cable assembly with the simplified design, the switching box is arranged in the cable assembly, all interconnection switching points are arranged in the sealed switching box, a switching structure and all levels of transmission structures are split into all parts, and while multi-level forks are all reduced to one-level forks or no forks are formed, the switching points are arranged in the switching box; different independent parts can be improved or maintained, and adjustment and maintenance of the cable assembly are achieved.
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Description

Technical Field

[0001] This invention relates to a cable assembly, and more particularly to a cable assembly with a simplified design. Background Technology

[0002] In existing technologies, when cable wiring relationships are complex and there are many switching requirements, especially for missile-borne cable assemblies, a cable network is usually formed. The cables in this network typically employ a loose-stretcher outer sheath structure, and a non-bending section is found on the cable for switching. Common switching methods in existing technologies include... Figure 1 As shown, a multi-level branching method is used to meet complex wiring relationships and transition requirements. This method requires sealing at the branching points; however, when this method is applied to the field of deep-water sealed cable technology, if... Figure 1 The switching method shown requires multiple branching points to meet the requirements of multi-level branching and a large number of switching points. Each branching point needs to be sealed, which undoubtedly increases the risk of cable assembly seal failure.

[0003] Existing technologies for cable switching typically employ the following structural forms: cable assemblies that branch off from a single cable into multiple cables, such as those described in patents CN114267987A (a reinforced deep-water sealed bifurcated vulcanized cable structure), CN203813369U (a junction box and wiring device composed thereof), CN205102926U (a four-probe temperature sensor), and CN219760193U (cable adapter and cable assembly). These adapter boxes... A single cable can be split into multiple cables; a single cable can be converted into a single cable, for example, CN210897806U_a waterproof adapter box, through which the conductors of the cables on both sides of the adapter box are converted according to the conversion relationship; multiple cables can be converted into multiple cables, for example, CN114361859A_engine cable structure of a carrier-based aircraft, CN218386113U_a cable adapter box for an electric actuator, in which the conductors of multiple cables on one side are converted to the conductors of multiple cables on the other side.

[0004] However, none of the above-mentioned switching methods can be used in complex cable assemblies that make up a cable network. If the above-mentioned switching methods are used, multiple switching boxes need to be set up. When the cable network is used underwater, multiple switching boxes need to be underwater sealed and multiple switching points need to be sealed. If there is a leak, it will affect the normal operation of the entire cable network and easily cause the sealing of the cable assembly to fail. Summary of the Invention

[0005] To address the aforementioned technical problems, this invention provides a cable assembly with a simplified design.

[0006] The objective of this invention is achieved through the following technical solution. A simplified cable assembly according to this invention includes an adapter box and several cables detachably connected to the adapter box. The adapter box contains several conductors for connecting and conducting the core wires of different cables. The adapter box includes M conductors and N conductors, where M and N may be equal or unequal and are both positive integers. One end of each of the M and N conductors is electrically connected, and the other end of each of the M and N conductors is electrically connected to the corresponding core wires of different cables.

[0007] Compared with the prior art, the advantages of the present invention are: This invention proposes a simplified cable assembly design. The cable assembly has an internal junction box, in which all interconnection points are placed. The junction structure and each level of transmission structure are separated into individual components. While reducing multiple levels of branching to a single level or eliminating branching, different individual components can be improved or repaired, enabling adjustment and maintenance of the cable assembly.

[0008] Furthermore, a plug is provided at the end of the cable, and the core wire in the cable is terminated with the corresponding plug contact in the plug; a socket is provided on the adapter box, and the wire is terminated with the corresponding socket contact in the socket; after the plug and socket are plugged in, the wire and core wire are connected and conduction is achieved.

[0009] Compared with the prior art, the advantages of the present invention are: The plug and socket enable a detachable connection between the cable and the adapter box, allowing for quick assembly and disassembly.

[0010] Furthermore, a sealing ring is provided between the socket housing of the socket and the inner wall of the socket mounting hole of the adapter box.

[0011] Compared with the prior art, the advantages of the present invention are: A sealing ring is used to achieve a seal between the socket and the adapter box, which facilitates underwater sealing.

[0012] Furthermore, after removing the insulation from the ends of the M and N wires, they are secured and connected by adapter strapping.

[0013] Furthermore, the ends of the M and N wires, as well as the adapter strapping, are tinned.

[0014] Compared with the prior art, the advantages of the present invention are: Tinning the stripped ends of the wires and the adapter strapping helps prevent oxidation and corrosion, extends service life, improves conductivity at the connection point, and enhances installation stability.

[0015] Furthermore, the ends of the M and N wires, as well as the outer side of the adapter strapping after tinning, are filled with glue to form a glued body.

[0016] Compared with the prior art, the advantages of the present invention are: Insulation at the wire junction is achieved by using potting compound.

[0017] Furthermore, the M and N wires are secured near their ends with wire binding tape.

[0018] Compared with the prior art, the advantages of the present invention are: Use cable ties to prevent wires from becoming tangled inside the junction box.

[0019] Furthermore, the adapter box includes a box body, the wall of which is provided with a maintenance hole, and a removable cover is provided on the maintenance hole.

[0020] Compared with the prior art, the advantages of the present invention are: The wiring inside the junction box can be replaced and repaired through the maintenance hole.

[0021] Furthermore, a sealing gasket is placed between the lid and the box body.

[0022] Compared with the prior art, the advantages of the present invention are: A sealing gasket is used to seal the maintenance hole.

[0023] Furthermore, the cable assembly is housed within a circular magazine containing a projectile, and an adapter box is positioned in the gap between the magazine and the projectile. The adapter box is shaped like a triangular prism.

[0024] Compared with the prior art, the advantages of the present invention are: The adapter box is designed as a triangular prism to fit the space inside the ammunition compartment.

[0025] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, and to make the purpose, features and advantages of the present invention more obvious and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of a multi-branched watertight cable in the prior art.

[0027] Figure 2 This is a schematic diagram of one embodiment of a simplified cable assembly according to the present invention.

[0028] Figure 3 This is a schematic diagram of the socket in the adapter box and the plug at the end of the cable being plugged in, according to a simplified embodiment of the cable assembly design of the present invention.

[0029] Figure 4This is a schematic diagram of one type of wire connection method in the junction box of a simplified cable assembly embodiment of the present invention.

[0030] Figure 5 This is a schematic diagram illustrating another wiring method in the junction box of a simplified cable assembly embodiment of the present invention.

[0031] Figure 6 This is a three-dimensional schematic diagram of an adapter box in a simplified cable assembly embodiment of the present invention.

[0032] Figure 7 This is a schematic diagram of a simplified cable assembly embodiment of the present invention in practical application.

[0033] Figure label: 1-Adapter box.

[0034] 11-Box cover, 12-Box body, 13-Maintenance hole, 14-Wire, 15-Wire bundling strap, 16-Potent, 17-Adapter bundling strap.

[0035] 2-Cable.

[0036] 21-Core wire, 22-First cable, 23-Second cable, 24-Third cable, 25-Fourth cable, 26-Fifth cable, 27-Main cable.

[0037] 3-Plug.

[0038] 4-Socket.

[0039] 5-Ammunition magazine.

[0040] 6-Projectile. Detailed Implementation

[0041] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0042] An embodiment of a simplified cable assembly design according to the present invention, such as... Figures 2 to 7 As shown. The present invention is based on Figure 2 The cable assembly shown is used as an example for illustration.

[0043] In this embodiment, as Figure 7As shown, the cable assembly is set inside the circular magazine 5, the magazine 5 contains the projectile 6, and the adapter box 1 is set inside the gap between the projectiles 6 in the magazine 5. Therefore, the adapter box 1 is set in the shape of a triangular prism to facilitate the installation of the adapter box 1 inside the magazine 5.

[0044] In this embodiment, two sockets 4 are provided on one end face of the adapter box 1 and three sockets 4 are provided on the other end face. The sockets 4 are fixed to the box body 12 of the adapter box 1. In other embodiments, the number and position of the sockets 4 can be set according to the number of cables to be connected.

[0045] A maintenance hole 13 is provided on one side of the adapter box 1, and a cover 11 is provided on the maintenance hole 13. The cover 11 is fixed to the box body 12 of the adapter box 1 by screws, thereby sealing the box body 12.

[0046] In this embodiment, the adapter box 1 is provided with five sockets 4, and correspondingly, the five sockets 4 are connected to five cables, such as... Figure 2 As shown, the end of the cable is provided with a plug 3 for connecting to the socket 4.

[0047] Two sockets 4 at one end of the adapter box 1 are connected to the first cable 22 and the second cable 23 respectively, and two sockets 4 at the other end of the adapter box 1 are connected to the third cable 24, the fourth cable 25 and the fifth cable 26 respectively.

[0048] In this embodiment, the first cable 22, the fourth cable 25, and the fifth cable 26 are all single cables, each with a plug 3 connected to both ends. The first cable 22, the fourth cable 25, and the fifth cable 26 are connected to the adapter box 1 by plugging the plug 3 into the corresponding socket 4. The second cable 23 has a plug 3 at one end, which plugs into the corresponding socket 4 on the adapter box 1. The other end of the second cable 23 branches into two branch cables, each with a plug 3 at one end. The third cable 24 is one branch cable of the main cable 26. In this embodiment, two adapter boxes 1 are provided, with the two adapter boxes 1 having the same structure and connection method to the cables. The other branch cable of the main cable 26 is connected to the other adapter box 1.

[0049] like Figure 3 As shown, each cable 2 contains multiple core wires 21, and the number of core wires 21 in different cables 2 is set as needed. The core wires 21 in the cable 2 are terminated with the corresponding plug contacts in the plug 3 at their ends. The socket 4 is provided with socket contacts that correspond one-to-one with the plug contacts in the corresponding plug 3.

[0050] The socket contacts of each socket 4 are connected by wires within the adapter box 1. Multiple wires can be used to connect each socket 4 as needed within the adapter box 1. Within the adapter box 1, wires can be used to connect the socket contacts of socket 4 to the corresponding socket contacts of another socket. A single wire can be used, with both ends connected to the corresponding socket contacts; alternatively, the ends of N wires can be bundled and connected, then converted into M wires (the ends of the M wires are bundled and connected, and then bundled and connected to the ends of the bundled N wires), where N ≠ M, and N and M are both positive integers. When N = M, the two ends of any wire 14 are connected to the corresponding socket contacts in different sockets. N wires can be connected to the corresponding socket contacts in some sockets, and then M wires can be connected to the corresponding socket contacts in another group of sockets. The N wires can be connected to different socket contacts in the same socket or to socket contacts in different sockets, while the M wires are connected to the corresponding socket contacts in the same or different sockets in another group.

[0051] like Figure 4 The following describes the connection method, taking the conversion of four wires into two wires as an example. The connection between the wires in the junction box 1 is explained. The four wires 14 are bundled and fixed near the ends with wire bundling tape 15, and the insulation of the ends of the four wires 14 is removed. The other two wires 14 are bundled near the ends with wire bundling tape 15, and the insulation of the ends of the two wires 14 is removed. The ends of the four wires and the two wires are bundled and connected with the ends of the two wires using conversion bundling tape 17, so that the four wires and the two wires are connected.

[0052] like Figure 5 The connection method shown involves securing the three wires 14 near their ends using wire bundling tape 15. The insulation on the ends of the three wires is removed, and they are then bundled together using adapter bundling tape 17 to ensure continuity. Each of the three wires is connected to a corresponding socket contact in one of the three sockets. Alternatively, two of the three wires can be connected to different socket contacts within the same socket, while the third wire is connected to a corresponding socket contact in another socket.

[0053] In this embodiment, the adapter box 1 contains 10 or more wires. These 10 or more wires can be grouped into one or more groups. After the ends of each group of wires are connected, the other end of the wires is connected to the core wires of different cables. In other embodiments, the number of wires can be set according to specific needs.

[0054] In this embodiment, the adapter strap 17 is made of conductive material, and the wire strap 15 is made of insulating material.

[0055] After bundling the stripped ends of the wires with the adapter cable tie 17, the stripped ends of the wires and the adapter cable tie 17 are tinned using a tin pot method. This process prevents oxidation and corrosion, extends service life, improves the conductivity of the connection point, and enhances installation stability.

[0056] After the solder pot is tinned, the outer side of the tinned part is reinforced with glue to form a glue body 16, which insulates the junction of the wires.

[0057] The junction box 1's body 12 and the socket 4 are sealed using a sealing structure (e.g., a sealing ring, placed between the socket housing and the inner wall of the socket mounting hole in the junction box 12). A sealing gasket is placed between the junction box 12 and the cover 11. Screws are used to press and fix the cover 11 onto the junction box 12, thus sealing the gap between the junction box 12 and the cover 11. The sealing structure (including the sealing ring and sealing gasket) is only located on the junction box 1, making it convenient for sealing setup and maintenance, and thus achieving a better sealing effect.

[0058] In existing technologies, when transferring cable networks, the multi-level branching requirements of multi-headed cable networks necessitate the use of loose-wire outer sheaths or the addition of multiple transfer points using whole cables for branching. However, the branching points are not resistant to bending and stretching, resulting in low cable stability and repairability, failing to meet the requirements for upgrades and replacements. This invention improves upon existing technologies and offers the following advantages: 1. All the switching relationships in the entire cable network are integrated into the middle switching box 1, replacing the switching on the cable assembly. Switching inside the switching box is more convenient, and the sealing and structure of the switching box make the stability of the cable switching point higher.

[0059] 2. A cover 11 is left on the adapter box 1. After the cover 11 is removed, the adapter box 1 can be adjusted and repaired separately through the maintenance hole 13, which facilitates the adjustment of the adapter method and the maintenance.

[0060] 3. In the existing technology, the multi-level branched watertight cable network can achieve multi-directional transfer after the transfer box is integrated. The cables at both ends of the transfer box 1 can also be downgraded to the highest level of branching or have no branching, so that no transfer operation is required at other parts of the cable. The cable processing is simple and the maintainability is higher.

[0061] 4. The modular design of the cable network allows for separate upgrades or repairs. Different individual components can be replaced, such as adjusting the connection relationship inside junction box 1. This allows for individual handling of situations like replacing cables at both ends or repairing cable assemblies without needing to adjust the entire cable network.

[0062] 5. The internal wiring and connection of the junction box 1 are carried out by wires. All connection relationships are located inside the box 12. The connection of the wires is different from that of the cable. There is no risk of bending or stretching. Moreover, the connection of the wires is easier than the connection of the core wires of the cable.

[0063] In other embodiments, improvements are made based on the above embodiments. Figure 2 The number of junction boxes 1 and the number of cables connected to junction boxes 1 can be set as needed.

[0064] In other embodiments, improvements are made based on the above embodiments. The triangular prism shape of the adapter box 1 can be replaced with other shapes, such as cylinders or rectangular prisms, depending on the needs of the specific scenario. No limitation is imposed here.

[0065] In other embodiments, improvements are made based on the above embodiments. The cable in the above embodiments still has a branch structure, but it is improved to a single cable. The connection relationship of the branch structure is moved into the junction box 1 to achieve a branchless cable network.

[0066] In other embodiments, improvements are made based on the above embodiments. In the above embodiments, the cable is detachably connected to the adapter box 1 via a plug and socket. In this improvement, the plug and socket are replaced with copper busbars that pass through the adapter box. Both ends of the copper busbar are provided with threaded holes. One end of the copper busbar is connected to the core wire in the cable through the cooperation of a screw and the threaded hole. The other end of the copper busbar is connected to the wire in the adapter box 1 through the cooperation of a screw and the threaded hole.

[0067] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A simplified cable assembly comprising an adapter box (1) and a plurality of cables (2) detachably connected to the adapter box (1), characterized in that: The junction box (1) is equipped with several wires (14) for connecting and conducting the core wires (21) in different cables (2). The junction box (1) includes M wires and N wires. The values ​​of M and N are equal or unequal and are both positive integers. One end of the M wires and one end of the N wires are connected. The other end of the M wires and the N wires are connected to the corresponding core wires (21) in different cables.

2. The simplified cable assembly according to claim 1, characterized in that: A plug (3) is provided at the end of the cable (2), and the core wire (21) in the cable (2) is connected to the corresponding plug contact in the plug (3); A socket is installed on the adapter box (1), and the wire (14) is terminated with the corresponding socket contact in the socket; after the plug is plugged into the socket, the wire (14) is connected to the core wire (21) for conduction.

3. A simplified cable assembly according to claim 2, characterized in that: A sealing ring is provided between the socket housing of the socket and the inner wall of the socket mounting hole of the adapter box (1).

4. A simplified cable assembly according to claim 1, characterized in that: After removing the insulation from the ends of M and N conductors, they are secured and connected by adapter strapping (17).

5. A simplified cable assembly according to claim 4, characterized in that: The ends of M and N conductors and the junction box (17) are tinned.

6. A simplified cable assembly according to claim 5, characterized in that: The ends of M and N wires and the junction strap (17) are tinned and then glued to the outside to form a glued body (16).

7. A simplified cable assembly according to any one of claims 4-6, characterized in that: The M and N wires are secured near their ends by wire binding tape (15).

8. A simplified cable assembly according to claim 1, characterized in that: The adapter box (1) includes a box body (12), and a maintenance hole (13) is provided on the wall of the box body (12), and a removable cover (11) is provided on the maintenance hole (13).

9. A simplified cable assembly according to claim 8, characterized in that: A sealing gasket is provided between the lid (11) and the body (12).

10. A simplified cable assembly according to claim 1, characterized in that: The cable assembly is set inside a circular magazine (5), inside which a projectile (6) is set. The adapter box (1) is set in the gap between the magazine (5) and the projectile (6). The adapter box (1) is shaped like a triangular prism.

Citation Information

Patent Citations

  • Reinforced deepwater sealing forked vulcanized cable structure

    CN114267987A

  • Four probe temperature sensor

    CN205102926U

  • Cable switching box of electric actuator

    CN218386113U

  • Cable adapter and cable assembly

    CN219760193U

  • Cable plug quick changing connection box

    CN200976478Y