Protective tube for preventing submarine optical cable from being damaged

The design of structures such as docking cylinders, plug-in cylinders, and internal threaded sleeves has solved the problem of inconvenient docking of submarine optical cable protective pipes, enabling rapid installation and sealing, and improving work efficiency.

CN224052466UActive Publication Date: 2026-03-27GATE CASTING QINGDAO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-20
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing protective pipes for preventing damage to submarine optical cables require multiple connectors during connection, which makes installation inconvenient, increases the workload of workers, and reduces work efficiency.

Method used

A protective tube for preventing damage to submarine optical cables was designed, which adopts a structure including a docking sleeve, a plug sleeve, an internally threaded sleeve, and a push bar. Quick docking is achieved by rotating the sleeve, and sealing is achieved by the cooperation of the fixing block and the push bar, simplifying the installation process.

Benefits of technology

This enabled rapid connection of the protective pipes, reduced the workload of workers, improved installation efficiency, and ensured a good seal.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of protective tubes, and discloses a protective tube for preventing a submarine optical cable from being damaged, which solves the problems that the protective tube for preventing the submarine optical cable from being damaged is fixed by adopting a plurality of connecting pieces during butt joint, so that the installation is very inconvenient, the labor amount of workers is increased, and the working efficiency is reduced, and comprises a first protective tube, a butt joint cylinder is fixedly installed at one end of the first protection pipe, an inserting cylinder is arranged on one side of the first protection pipe, a butt joint groove matched with the inserting cylinder is formed in the butt joint cylinder, the inserting cylinder is inserted into the butt joint groove in the butt joint cylinder, and a second protection pipe is fixedly installed on one side of the inserting cylinder. Protective inner pipes are fixedly mounted in the second protective pipe and the first protective pipe; a mounting ring is fixedly mounted on the surface of the inserting cylinder; the protective tube for preventing the submarine optical cable from being damaged is very convenient to butt and install, so that the labor amount of workers is reduced, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of protection pipe, specifically is a kind of protection pipe for preventing damage of submarine optical cable. BACKGROUND

[0002] The protection pipe for preventing damage of submarine optical cable is mainly to protect the optical cable from various potential risks in complex submarine environment;As a physical barrier, the protection pipe can effectively block the direct impact and friction of external objects on submarine optical cable, such as passing ships, submarine reefs and other factors that may damage the optical cable;The protection pipe can resist these external forces and reduce the risk of scratching and tearing the optical cable, greatly reducing the possibility of optical cable failure caused by external forces;The submarine environment is complex and has strong corrosive properties, so the protection pipe is usually made of corrosion-resistant materials, which can effectively prevent seawater from corroding the optical cable and prolong the service life of submarine optical cable;The protection pipe for preventing damage of submarine optical cable is a protective material with multiple excellent properties and functions, which plays a crucial role in ensuring the stability and reliability of global communication;The existing protection pipe for preventing damage of submarine optical cable is often fixed with multiple connectors during docking, which makes installation very inconvenient, increases the labor of workers and reduces work efficiency. SUMMARY

[0003] In view of the above situation, to overcome the defects of the prior art, the utility model provides a protection pipe for preventing damage of submarine optical cable, which effectively solves the problem of inconvenient installation, increased labor of workers and reduced work efficiency caused by the use of multiple connectors for fixing the protection pipe for preventing damage of submarine optical cable during docking.

[0004] To achieve the above object, the utility model provides the following technical scheme: A kind of protection pipe for preventing breakage of submarine optical cable, first protection pipe is fixedly installed with butt joint cylinder in one end, the side of first protection pipe is equipped with spigot, the inside of butt joint cylinder is equipped with butt joint groove matched with spigot, and spigot is inserted in butt joint groove in butt joint cylinder, the side of spigot is fixedly installed with second protection pipe, the inside of second protection pipe and first protection pipe is fixedly installed with protection inner tube, the surface of spigot is fixedly installed with mounting ring, the end of the surface of first protection pipe is equipped with external thread, and the surface of external thread is screw-connected with internal thread sleeve matched with it, the surface of internal thread sleeve is fixedly installed with rotating sleeve convenient for installation personnel to rotate, the side of rotating sleeve close to butt joint cylinder annularly equidistantly fixedly installed with four fixed blocks, the side of four fixed blocks is fixedly installed with push strip, and four push strips are arc strip with inclined plane, the side of four connecting plates is fixedly installed with spigot rod, the inside of four spigot rods is inserted in four insertion grooves, the end of four spigot rods is fixedly installed with connecting rod, and the end of connecting rod away from spigot rod is fixedly installed with contact block matched with push strip.

[0005] Preferably, the first protection pipe and the second protection pipe are made of polyurethane material with good flexibility and corrosion resistance, which can effectively resist the corrosion of seawater, and the two protection inner tubes are made of glass steel material with light weight, pressure resistance and insulation, which helps to maintain the stable transmission of optical cable.

[0006] Preferably, the inside of the spigot is fixedly installed with an annular sealing gasket on one side, and the other side of the spigot abuts against the annular sealing gasket.

[0007] Preferably, the surface of the rotating sleeve is annularly equidistantly fixedly installed with a plurality of ribs, which play a role in preventing slipping.

[0008] Compared with the prior art, the utility model has the beneficial effects that: during installation, the operator inserts the spigot on the second protection pipe into the butt joint groove in the butt joint cylinder on the first protection pipe, and simultaneously inserts the four spigot rods into the inside of the four insertion grooves, and makes the four connecting rods and the four contact blocks pass through the insertion grooves, then the operator rotates the internal thread sleeve through the rotating sleeve, the cooperation of the plurality of ribs can prevent slipping during rotation, the cooperation of the external thread can make the internal thread sleeve move away from the spigot when the internal thread sleeve rotates, and the rotating sleeve rotates at the same time to drive the four push strips to rotate through the four fixed blocks, so that the four push strips rotate to push the four contact blocks.

[0009] The four contact blocks are pulled by the connecting rods and the inserting rods to abut the mounting ring on the inserting barrel against the butt joint barrel when being pushed, and the butt joint barrel is abutted against the annular sealing gasket, thereby quickly completing butt joint and ensuring sealing effect; the submarine optical cable damage prevention protection tube is very convenient to butt joint and install, thereby reducing labor of workers and improving work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0010] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0011] In the drawings:

[0012] Figure 1 Structure diagram of the submarine optical cable damage prevention protection tube of the present application Figure One ;

[0013] Figure 2 Structure diagram of the submarine optical cable damage prevention protection tube of the present application Figure Two ;

[0014] Figure 3 Structure diagram of the submarine optical cable damage prevention protection tube of the present application Figure One ;

[0015] Figure 4 Structure diagram of the submarine optical cable damage prevention protection tube of the present application Figure Two ;

[0016] Figure 5 Structure diagram of the submarine optical cable damage prevention protection tube of the present application Figure 4 Enlarged structure diagram of A in the present application

[0017] In the drawings: 1, first protection tube; 2, butt joint barrel; 3, annular sealing gasket; 4, inserting barrel; 5, second protection tube; 6, protection inner tube; 7, mounting ring; 8, external thread; 9, internal thread sleeve; 10, rotating sleeve; 11, rib; 12, fixed block; 13, pushing strip; 14, inserting groove; 15, connecting plate; 16, inserting rod; 17, connecting rod; 18, contact block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] By Figures 1 to 5The utility model provides a first protection pipe 1 is provided with the butt joint barrel 2, the butt joint groove that matches with the insertion tube 4 is set up in the inside of butt joint barrel 2, and the insertion tube 4 is inserted in the butt joint groove in butt joint barrel 2, the second protection pipe 5 is fixedly installed on the one side of insertion tube 4, and the inside of second protection pipe 5 and first protection pipe 1 is fixedly installed with the protection inner tube 6, the surface of insertion tube 4 is fixedly installed with the installation ring 7,

[0020] The surface of first protection pipe 1 is provided with external thread 8, and the surface screw thread connection of external thread 8 is matched with internal thread sleeve 9, the surface of internal thread sleeve 9 is fixedly installed with the rotation sleeve 10 convenient for the rotation of installation personnel, four fixed blocks 12 are fixedly installed on the side annular equidistance of rotation sleeve 10 close to butt joint barrel 2, four push strips 13 are fixedly installed on the side of four fixed blocks 12, and four push strips 13 are arc strip with inclined plane, four connecting plates 15 are fixedly installed on the side annular equidistance of installation ring 7 close to butt joint barrel 2, four insertion rods 16 are fixedly installed on the side of four connecting plates 15, four insertion grooves 14 that are matched with four insertion rods 16 are set up on the annular equidistance of butt joint barrel 2, four insertion rods 16 are inserted in the inside of four insertion grooves 14 respectively, and four connecting rods 17 are fixedly installed on the one end of four insertion rods 16, and the one end of connecting rod 17 away from insertion rod 16 is fixedly installed with the contact block 18 matched with push strip 13.

[0021] When installing, the operation personnel inserts the insertion tube 4 on the second protection pipe 5 into the butt joint groove in the butt joint barrel 2 on the first protection pipe 1, and simultaneously inserts four insertion rods 16 into the inside of four insertion grooves 14, and makes four connecting rods 17 and four contact blocks 18 cross insertion groove 14, then the operation personnel rotates internal thread sleeve 9 through rotation sleeve 10, and when internal thread sleeve 9 rotates, can make internal thread sleeve 9 move towards the side away from insertion tube 4 through the cooperation of external thread 8, and rotation sleeve 10 rotates simultaneously and drives four push strips 13 to rotate through four fixed blocks 12, so that four push strips 13 rotate and push four contact blocks 18;

[0022] When four contact blocks 18 are pushed, the installation ring 7 on insertion tube 4 is pulled to butt against butt joint barrel 2 through connecting rod 17 and insertion rod 16, and then the butt joint is completed quickly, so that the butt joint installation of the protection pipe for preventing damage of submarine optical cable is very convenient, thereby reducing the labor amount of workers and improving work efficiency.

[0023] The first protection pipe 1 and the second protection pipe 5 are made of polyurethane material with good flexibility and corrosion resistance, and can effectively resist the corrosion of seawater; the two protection inner pipes 6 are made of glass steel material with light weight, pressure resistance and insulation, which helps to maintain the stable transmission of the optical cable; the annular sealing gasket 3 is fixedly installed on one side of the plug-in barrel 4; the other side of the plug-in barrel 4 is tightly abutted against the annular sealing gasket 3; the mounting ring 7 is tightly abutted against the butt joint barrel 2, and the butt joint barrel 2 is tightly abutted against the annular sealing gasket 3, so that the butt joint is quickly completed while the sealing effect is guaranteed,

[0024] The surface of the rotating sleeve 10 is annularly and equidistantly fixedly installed with a plurality of ribs 11, which play a role in preventing slipping; the cooperation of the plurality of ribs 11 can prevent slipping during rotation.

Claims

1. A protection tube for optical submarine cables against damage, comprising a first protection tube (1), characterized in that: One end of the first protective pipe (1) is fixedly installed with a butt joint cylinder (2), one side of the first protective pipe (1) is provided with a plug-in cylinder (4), the inside of the butt joint cylinder (2) is provided with a butt joint groove matched with the plug-in cylinder (4), and the plug-in cylinder (4) is plugged into the butt joint groove in the butt joint cylinder (2), one side of the plug-in cylinder (4) is fixedly installed with a second protective pipe (5), the inside of the second protective pipe (5) and the first protective pipe (1) is fixedly installed with a protective inner pipe (6), the surface of the plug-in cylinder (4) is fixedly installed with a mounting ring (7), one end of the surface of the first protective pipe (1) is provided with an external thread (8), and the surface of the external thread (8) is threadedly connected with an internal thread sleeve (9) matched therewith, the surface of the internal thread sleeve (9) is fixedly installed with a rotating sleeve (10) convenient for installation personnel to rotate, four fixed blocks (12) are annularly and equidistantly fixedly installed on one side of the rotating sleeve (10) close to the butt joint cylinder (2), the four fixed blocks (12) are all fixedly installed with a pushing strip (13) on one side, and the four pushing strips (13) are all arc-shaped strips with inclined surfaces, four connecting plates (15) are annularly and equidistantly fixedly installed on one side of the mounting ring (7) close to the butt joint cylinder (2), the four connecting plates (15) are all fixedly installed with a plug-in rod (16) on one side, four plug-in grooves (14) matched with the four plug-in rods (16) are annularly and equidistantly provided on the butt joint cylinder (2), the four plug-in rods (16) are respectively plugged into the inside of the four plug-in grooves (14), and the four plug-in rods (16) are all fixedly installed with a connecting rod (17) on one end, the connecting rod (17) is all fixedly installed with a contact block (18) matched with the pushing strip (13) on an end away from the plug-in rod (16).

2. A protection tube for optical submarine cable according to claim 1, characterized in that: The first protective pipe (1) and the second protective pipe (5) are both made of polyurethane material with good flexibility and corrosion resistance, which can effectively resist the corrosion of seawater, and the two protective inner pipes (6) are both made of glass steel material with light weight, pressure resistance and insulation, which helps to maintain the stable transmission of the optical cable.

3. A protection tube for optical submarine cable according to claim 1, characterized in that: One side of the inside of the plug-in cylinder (4) is fixedly installed with an annular sealing gasket (3), and the other side of the plug-in cylinder (4) abuts tightly against the annular sealing gasket (3).

4. The protection tube for optical submarine cable according to claim 1, wherein: The surface of the rotating sleeve (10) is annularly and equidistantly fixedly installed with a plurality of rib strips (11), which play a role in preventing slipping.