A subsea cable quick connect device

Abstract

This utility model relates to the field of submarine cable laying, specifically to a quick connection device for submarine cables. The utility model includes a connection mechanism with a fixed outer shell. When connecting the cables, one section of the cable body along with its inner positioning ring is placed inside a stationary connection ring, and the other section of the cable body along with its inner positioning ring is placed inside a movable connection ring. The stationary connection ring is then placed at the end of the bottom outer shell with a fixing ring, and the movable connection ring is placed at the end of the bottom outer shell without a fixing ring. The movable connection ring is pushed until it connects with the stationary connection ring. Finally, the top and bottom outer shells are connected and fixed with bolts. By first fixing the stationary connection ring and then moving the connection ring horizontally, the two cable sections are joined together. During installation, the centers of the two cable sections are kept on the same straight line, enabling accurate and rapid joining, reducing the need for calibration during joining, and improving installation efficiency.

Description

Technical Field

[0001] This utility model relates to the field of submarine cable laying, specifically to a submarine cable quick connection device. Background Technology

[0002] Submarine cables are conductors or optical fibers encased in insulating materials, laid on the seabed or underwater. They are primarily used for telecommunications and power transmission, serving as a cornerstone of global interconnectivity and energy transition. With advancements in fiber optic technology, materials science, and automated construction, their bandwidth, reliability, and application scenarios continue to expand. Common mechanical connection structures for submarine cables typically employ multi-layered armor designs, such as metallic or non-metallic armor layers, to enhance the cable's tensile and compressive strength. Junction boxes are usually cylindrical metal shells containing fiber optic splices and insulating materials, while external water-blocking layers (such as water-blocking tape or gel) prevent moisture penetration.

[0003] Traditional connection devices often require manual or measuring equipment to calibrate and align the splice ends of two cable segments when connecting them to ensure accurate cable connection. Therefore, they are easily affected by the surrounding environment, which can lead to inaccurate connection positions and require multiple calibration operations. To simplify the cable connection process and improve connection efficiency, a rapid connection device for submarine cables is proposed. Utility Model Content

[0004] In order to solve the technical problems existing in the prior art, the present invention provides a quick connection device for submarine cables.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a quick connection device for submarine cables, including a cable body, an inner positioning ring is nested on the outside of the cable body, a connection mechanism is fitted on the outside of the inner positioning ring, and a fixed outer shell is installed on the outside of the connection mechanism;

[0006] The inner positioning rings are respectively disposed at the docking ends of the two connected cable bodies. The inner positioning ring includes a positioning ring body and a positioning groove. The positioning groove is opened on the outside of the positioning ring body. The connecting mechanism includes a static connecting ring, a dynamic connecting ring, a positioning retaining ring and a fixing retaining groove. The positioning retaining ring is provided on the inner side of both the static connecting ring and the dynamic connecting ring. The positioning retaining ring cooperates with the positioning groove to engage. Several sets of fixing retaining grooves are opened on the outside of the static connecting ring.

[0007] The fixed housing includes a bottom housing, a top housing, and a fixing ring. The top housing is connected and fixed to the bottom housing by several sets of bolts. The fixing ring is located at one end of the bottom housing and the top housing. The fixing ring engages with a fixing groove. The movable connecting ring is placed inside the bottom housing at the end where the fixing ring is not located.

[0008] Preferably, the connecting mechanism further includes a limiting slide groove, which is formed at the bottom of the moving connecting ring, and the fixed housing further includes a limiting slide rail, which is disposed on the inner side of the bottom housing, and the limiting slide rail is connected to the limiting slide groove.

[0009] Preferably, the connecting mechanism further includes push-pull handles, and two sets of push-pull handles are provided, with the two sets of push-pull handles symmetrically fixed on both sides of the outside of the moving connecting ring.

[0010] Preferably, a sealing groove is provided on the inner side of the positioning ring, and a sealing ring is installed in the sealing groove. The inner wall of the sealing ring tightly wraps around the outside of the cable body.

[0011] Preferably, a sealing gasket is installed inside the fixed housing, a fixing plug is installed at the end of the fixed housing, the sealing gasket is installed at the end of the moving connecting ring, and the fixing plug is connected and fixed to the ends of the bottom housing and the top housing by a number of sets of bolts.

[0012] Preferably, the fixing plug includes a baffle, a pressure ring, and a fixing clamp, wherein the pressure ring is disposed inside the baffle, and the inner side of the pressure ring abuts against the side of the sealing gasket.

[0013] Preferably, the fixing clamps are provided with several sets at the edge of the baffle, and the several sets of fixing clamps are inserted into slots opened at the ends of the bottom housing and the top housing.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model includes a connecting mechanism with a fixed outer shell. The connecting mechanism comprises a static connecting ring, a dynamic connecting ring, a positioning ring, and a fixing groove. The fixed outer shell comprises a bottom outer shell, a top outer shell, and a fixing ring. When connecting cables, first, two sets of inner positioning rings are respectively fitted onto the mating ends of the two cable sections to be connected. One cable section, along with the inner positioning ring, is placed inside the static connecting ring and fixed by the positioning ring engaging with the positioning groove. The other cable section, along with the inner positioning ring, is placed inside the dynamic connecting ring and fixed to it by the positioning ring engaging with the positioning groove. Finally, the static connecting ring is placed inside the bottom outer shell, where a fixing groove is located. One end of the ring is fixed to the bottom shell by a fixed retaining ring and a fixed retaining groove. The moving connecting ring is placed at the end of the bottom shell without a fixed retaining ring. The moving connecting ring slides inside the bottom shell by pushing it. After the moving connecting ring is pushed to connect with the fixed connecting ring, the top shell and the bottom shell are closed. Then, the top shell and the bottom shell are connected and fixed by bolts to complete the cable connection and installation. By fixing the fixed connecting ring first and then moving the connecting ring horizontally, the two cable bodies are connected. During installation, the centers of the two cable bodies are kept on the same straight line, so that the two cable bodies can be accurately and quickly connected, reducing the steps of calibrating the position during connection and improving installation efficiency.

[0016] 2. This utility model also includes a limiting groove, which is located at the bottom of the moving connecting ring. The fixed housing also includes a limiting rail, which is located inside the bottom housing. The limiting rail and the limiting groove are connected in cooperation. The cooperation between the limiting rail and the limiting groove ensures that the moving connecting ring maintains a fixed direction when moving inside the bottom housing, preventing displacement when the connecting ring is moved horizontally and improving docking accuracy. The connection mechanism also includes a push-pull handle, with two sets of push-pull handles symmetrically fixed on both sides of the outside of the moving connecting ring. The push-pull handles facilitate manual operation. The sealing ring improves the sealing between the positioning ring and the cable body. The sealing gasket improves the sealing at the end of the fixed housing. The fixing plug reinforces the end of the fixed housing, improving the stability of the cable connection. The pressure ring presses the sealing gasket, improving its sealing effect. The fixing clamps clamp the ends of the bottom and top housings, making the bottom and top housings more tightly fixed. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 3 This is a schematic diagram of a partial explosion structure of the present invention;

[0020] Figure 4 This is a partial structural diagram of the moving connecting ring of this utility model;

[0021] Figure 5 This is a partial schematic diagram of the inner side of the bottom outer shell of this utility model.

[0022] The numbers in the diagram represent:

[0023] 1. Cable body; 2. Inner positioning ring; 21. Positioning ring body; 22. Positioning groove; 3. Connecting mechanism; 31. Static connecting ring; 32. Dynamic connecting ring; 33. Positioning retaining ring; 34. Fixed retaining groove; 35. Limiting slide rail; 36. Push-pull handle; 4. Fixed outer shell; 41. Bottom outer shell; 42. Top outer shell; 43. Fixed retaining ring; 44. Limiting slide rail; 5. Sealing ring; 6. Sealing gasket; 7. Fixed plug; 71. Baffle; 72. Pressure ring; 73. Fixed clamp. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments, highlighting the above and other technical features and advantages of the present invention. However, the following embodiments are merely preferred embodiments of the present invention and are not exhaustive.

[0025] Example:

[0026] like Figure 1 - Figure 5 As shown, this utility model provides a quick connection device for submarine cables, including a cable body 1, an inner positioning ring 2 nested on the outside of the cable body 1, a connection mechanism 3 fitted on the outside of the inner positioning ring 2, and a fixed outer shell 4 installed on the outside of the connection mechanism 3.

[0027] The inner positioning ring 2 is disposed at the docking end of the two connected cable bodies 1. The inner positioning ring 2 includes a positioning ring body 21 and a positioning groove 22. The positioning groove 22 is opened on the outside of the positioning ring body 21. The connecting mechanism 3 includes a static connecting ring 31, a dynamic connecting ring 32, a positioning retaining ring 33 and a fixing retaining groove 34. The positioning retaining ring 33 is provided on the inside of both the static connecting ring 31 and the dynamic connecting ring 32. The positioning retaining ring 33 cooperates with the positioning groove 22 to engage. Several sets of fixing retaining grooves 34 are opened on the outside of the static connecting ring 31.

[0028] The fixed housing 4 includes a bottom housing 41, a top housing 42 and a fixing ring 43. The top housing 42 is connected and fixed to the bottom housing 41 by several sets of bolts. The fixing ring 43 is located at one end of the bottom housing 41 and the top housing 42. The fixing ring 43 engages with the fixing groove 34. The movable connecting ring 32 is placed inside the bottom housing 41 at the end where the fixing ring 43 is not located.

[0029] When connecting cables, first, fit the two sets of inner positioning rings 2 onto the mating ends of the two cable body sections 1 to be connected. Place one cable body section 1, along with the inner positioning ring 2, inside the stationary connecting ring 31, and fix it by the positioning retaining ring 33 engaging with the positioning groove 22. Place the other cable body section 1, along with the inner positioning ring 2, inside the moving connecting ring 32, and fix this cable body section 1 to the moving connecting ring 32 by the positioning retaining ring 33 and the positioning groove 22. Then, place the stationary connecting ring 31 inside the bottom outer shell 41 at the end with the fixing retaining ring 43, and fix the stationary connecting ring 31 to the bottom outer shell 41 by the fixing retaining ring 43 engaging with the fixing groove 34. Finally, connect the moving connecting ring 31 to the bottom outer shell 41. The connecting ring 32 is placed at the end of the bottom housing 41 without the fixing ring 43. The moving connecting ring 32 slides inside the bottom housing 41 by pushing it. After the moving connecting ring 32 is pushed to connect with the stationary connecting ring 31, the top housing 42 and the bottom housing 41 are closed. Then, the top housing 42 and the bottom housing 41 are connected and fixed with bolts to complete the cable connection installation. By fixing the stationary connecting ring 31 first and then connecting the two cable body 1 by moving the connecting ring 32, the centers of the two cable body 1 are kept on the same straight line during installation, so that the two cable body 1 can be accurately and quickly connected, reducing the steps of calibrating the position during connection and improving the installation efficiency.

[0030] The connecting mechanism 3 also includes a limiting slide groove 35, which is located at the bottom of the moving connecting ring 32. The fixed housing 4 also includes a limiting slide rail 44, which is located inside the bottom housing 41. The limiting slide rail 44 and the limiting slide groove 35 are connected in cooperation. The cooperation between the limiting slide rail 44 and the limiting slide groove 35 keeps the moving connecting ring 32 in a fixed direction when it moves inside the bottom housing 41, preventing the moving connecting ring 32 from shifting when it is translated, and improving the docking accuracy.

[0031] The connecting mechanism 3 also includes a push-pull handle 36. There are two sets of push-pull handles 36, which are symmetrically fixed on both sides of the outside of the moving connecting ring 32. The push-pull handles 36 facilitate manual operation.

[0032] A sealing groove is provided on the inner side of the positioning ring 21, and a sealing ring 5 is installed in the sealing groove. The inner wall of the sealing ring 5 tightly wraps the outside of the cable body 1, thereby improving the sealing between the positioning ring 21 and the cable body 1.

[0033] A sealing gasket 6 is installed inside the fixed housing 4, and a fixing plug 7 is installed at the end of the fixed housing 4. The sealing gasket 6 is installed at the end of the moving connecting ring 32, and the fixing plug 7 is connected and fixed to the ends of the bottom housing 41 and the top housing 42 by several sets of bolts. The sealing gasket 6 improves the sealing performance of the end of the fixed housing 4, and the fixing plug 7 reinforces the end of the fixed housing 4, thereby improving the stability of the cable connection.

[0034] The fixing plug 7 includes a baffle 71, a pressure ring 72, and a fixing clamp 73. The pressure ring 72 is located inside the baffle 71, and the inner side of the pressure ring 72 abuts against the side of the sealing gasket 6. The sealing gasket 6 is pressed tightly by the pressure ring 72, thereby improving the sealing effect of the sealing gasket 6.

[0035] The fixing calipers 73 are provided at the edge of the baffle 71 in several sets. The fixing calipers 73 are inserted into the slots opened at the ends of the bottom housing 41 and the top housing 42. The fixing calipers 73 clamp the ends of the bottom housing 41 and the top housing 42, so that the bottom housing 41 and the top housing 42 are more tightly fixed.

[0036] The above description is merely a preferred embodiment of the present utility model and is illustrative rather than restrictive. Those skilled in the art will understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present utility model, all of which will fall within the protection scope of the present utility model.

Claims

1. A quick connection device for submarine cables, characterized in that, It includes a cable body (1), an inner positioning ring (2) is nested on the outside of the cable body (1), a connecting mechanism (3) is fitted on the outside of the inner positioning ring (2), and a fixed shell (4) is installed on the outside of the connecting mechanism (3); The inner positioning ring (2) is disposed at the docking end of the two connected cable bodies (1). The inner positioning ring (2) includes a positioning ring body (21) and a positioning groove (22). The positioning groove (22) is opened on the outside of the positioning ring body (21). The connecting mechanism (3) includes a static connecting ring (31), a dynamic connecting ring (32), a positioning retaining ring (33), and a fixed retaining groove (34). The positioning retaining ring (33) is provided on the inner side of both the static connecting ring (31) and the dynamic connecting ring (32). The positioning retaining ring (33) is engaged with the positioning groove (22). Several sets of fixed retaining grooves (34) are opened on the outside of the static connecting ring (31). The fixed housing (4) includes a bottom housing (41), a top housing (42), and a fixing ring (43). The top housing (42) is connected and fixed to the bottom housing (41) by several sets of bolts. The fixing ring (43) is set at one end of the bottom housing (41) and the top housing (42). The fixing ring (43) engages with the fixing groove (34). The moving connecting ring (32) is placed inside the bottom housing (41) at the end where the fixing ring (43) is not set.

2. The submarine cable quick connection device as described in claim 1, characterized in that, The connecting mechanism (3) further includes a limiting slide groove (35), which is opened at the bottom of the moving connecting ring (32). The fixed housing (4) further includes a limiting slide rail (44), which is disposed inside the bottom housing (41). The limiting slide rail (44) is connected to the limiting slide groove (35).

3. The submarine cable quick connection device as described in claim 2, characterized in that, The connecting mechanism (3) also includes a push-pull handle (36), and two sets of push-pull handles (36) are provided. The two sets of push-pull handles (36) are symmetrically fixed on both sides of the outside of the moving connecting ring (32).

4. The submarine cable quick connection device as described in claim 1, characterized in that, The positioning ring (21) has a sealing groove on its inner side, and a sealing ring (5) is installed in the sealing groove. The inner wall of the sealing ring (5) tightly wraps the outside of the cable body (1).

5. The submarine cable quick connection device as described in claim 1, characterized in that, A sealing gasket (6) is installed inside the fixed housing (4), and a fixing plug (7) is installed at the end of the fixed housing (4). The sealing gasket (6) is installed at the end of the moving connecting ring (32), and the fixing plug (7) is connected and fixed to the ends of the bottom housing (41) and the top housing (42) by several sets of bolts.

6. The submarine cable quick connection device as described in claim 5, characterized in that, The fixing plug (7) includes a baffle (71), a pressure ring (72) and a fixing clamp (73). The pressure ring (72) is disposed inside the baffle (71), and the inner side of the pressure ring (72) abuts against the side of the sealing gasket (6).

7. The submarine cable quick connection device as described in claim 6, characterized in that, The fixing clamps (73) are provided with several sets at the edge of the baffle (71), and the several sets of fixing clamps (73) are inserted into the slots opened at the ends of the bottom housing (41) and the top housing (42).

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