Connector for submarine cable

Abstract

The utility model relates to the technical field of cable joints, in particular to a joint for a submarine cable, which comprises a cable main body and a sealing unit, and the sealing unit comprises a first shell, a second shell, a scraping ring, a rubber ring, a first spring, a fixed seat, a locking bolt, a sealing ring, a frosted seat and a connecting assembly. A cable main body sequentially penetrates through a first shell and a second shell, the first shell and the second shell are connected through a connecting assembly, a rubber ring rubs against the cable main body, a scraping ring is driven to extrude a first spring, the scraping ring is firmly attached to the cable main body through the reverse acting force of the first spring, and a locking bolt is rotated. Through the mode, the sealing performance of the cable main body is improved, the fatigue strength of constructors is reduced, and the efficiency and quality of cable connection are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of cable joints, in particular to a joint for submarine cables. Background Art

[0002] With the development of the communication industry, the installation method of cables has changed from land to the seabed. Submarine cables are applicable to important occasions such as long-distance communication networks, between remote islands, and cross-sea military facilities. Submarine cables are mainly made of high-density optical fibers, and the manufacturing cost is high. In order to ensure the stable and safe connection between submarine cables.

[0003] Most of the existing cables need to use third-party clamping and connecting tools to operate on the submarine cables to be connected one by one.

[0004] At present, the cable connection is relatively cumbersome, and the sealing performance of the joint part is poor, which is likely to increase the fatigue strength of construction workers and affect the efficiency and quality of submarine cable connection. Content of the Utility Model

[0005] The purpose of the utility model is to provide a joint for submarine cables, aiming to solve the problems that the current cable connection is relatively cumbersome, the sealing performance of the joint part is poor, it is easy to increase the fatigue strength of construction workers, and it affects the efficiency and quality of submarine cable connection.

[0006] To achieve the above purpose, the utility model provides a joint for submarine cables, including a cable main body and a sealing unit. The sealing unit includes a first outer shell, a second outer shell, a scraping ring, a rubber ring, a first spring, a fixing seat, a locking bolt, a sealing ring, a grinding seat and a connecting component. The sealing unit is arranged on the outer side wall of the cable main body. The first outer shell is arranged on one side of the second outer shell. The connecting component is arranged between the first outer shell and the second outer shell. The cable main body sequentially penetrates through the first outer shell, the connecting component and the second outer shell. The scraping ring is slidably installed on the inner side wall of the first outer shell. One end of the first spring is fixedly connected to the first outer shell and is located on the inner side wall of the first outer shell. The other end of the first spring is fixedly connected to the scraping ring and is located on one side of the scraping ring. The rubber ring is fixedly installed on one side of the scraping ring, and the rubber ring contacts the cable main body. The fixing seat is fixedly connected to the second outer shell and is located on the outer side wall of the second outer shell. The second outer shell and the fixing seat respectively have threaded holes, and the threaded holes are in threaded cooperation with the locking bolt. The sealing ring is fixedly connected to the second outer shell and is located on the inner side wall of the second outer shell, and the sealing ring contacts the cable main body. The grinding seat is fixedly connected to the locking bolt and is located below the locking bolt.

[0007] Wherein, the sealing unit further includes an arc-shaped ring, which is fixedly connected to the fixed seat and is located on the outer side wall of the fixed seat.

[0008] Wherein, the connection component includes a connection chamber, a first connecting plate, a second connecting plate, a first bolt and a second bolt. The first connecting plate is fixedly connected to the first outer shell and is located on the outer side wall of the first outer shell. The second connecting plate is fixedly connected to the second outer shell and is located on the outer side wall of the second outer shell. The connection chamber is arranged between the first connecting plate and the second connecting plate. The first bolt penetrates through the first connecting plate and the connection chamber. The second bolt penetrates through the second connecting plate and the connection chamber.

[0009] Wherein, the connection component further includes a bolt cap, which is detachably connected to the first bolt and is located on the outer side wall of the first bolt.

[0010] Wherein, the connection component further includes an arc-shaped plate, a support column, a hollow column and a second spring. The hollow column is fixedly connected to the connection chamber and is located on the inner side wall of the connection chamber. The support column is slidably installed on the inner side wall of the hollow column. One end of the second spring is fixedly connected to the hollow column and is located on the inner side wall of the hollow column. The other end of the second spring is fixedly connected to the support column and is located below the support column. The arc-shaped plate is fixedly connected to the support column and is located on the outer side wall of the support column, and the arc-shaped plate contacts the cable main body.

[0011] Wherein, the connection component further includes a connecting rib. One end of the connecting rib is fixedly connected to the arc-shaped plate and is located below the arc-shaped plate. The other end of the connecting rib is fixedly connected to the support column and is located on the outer side wall of the support column.

[0012] For a joint for a submarine cable of the present utility model, the cable main body is sequentially passed through the first outer shell and the second outer shell. The first outer shell and the second outer shell are connected by using the connection component. The rubber ring rubs against the cable main body, driving the scraping ring to squeeze the first spring. Also, by using the reverse acting force of the first spring, it firmly fits with the cable main body. Rotate the locking bolt to drive the grinding seat to abut against the cable main body, ensuring the stability of the connection. In this way, the sealing performance of the cable main body is improved, the fatigue strength of construction workers is reduced, and the efficiency and quality of cable connection are ensured. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art.

[0014] Figure 1 is a schematic structural view of the joint for submarine cable of the present utility model.

[0015] Figure 2 is a cross-sectional view of the joint for submarine cable of the present utility model.

[0016] Figure 3 is of the present utility model Figure 2 partial enlarged view of the structure at position A.

[0017] Figure 4 is of the present utility model Figure 2 partial enlarged view of the structure at position B.

[0018] 101 - cable main body, 102 - first outer shell, 103 - second outer shell, 104 - scraping ring, 105 - rubber ring, 106 - first spring, 107 - fixing seat, 108 - locking bolt, 109 - sealing ring, 110 - grinding seat, 111 - arc ring, 112 - connection chamber, 113 - first connecting plate, 114 - second connecting plate, 115 - first bolt, 116 - second bolt, 117 - bolt cap, 118 - arc plate, 119 - support column, 120 - hollow column, 121 - second spring, 122 - connecting rib, 123 - threaded hole. Specific embodiments

[0019] Please refer to the figures to the figures, wherein, Figure 1 is a schematic structural view of the joint for submarine cable of the present utility model, Figure 2 is a cross-sectional view of the joint for submarine cable of the present utility model, Figure 3 is of the present utility model Figure 2 partial enlarged view of the structure at position A, Figure 4 is of the present utility model Figure 2 partial enlarged view of the structure at position B.

[0020] The present utility model provides a joint for submarine cable, including a cable main body 101 and a sealing unit. The sealing unit includes a first outer shell 102, a second outer shell 103, a scraping ring 104, a rubber ring 105, a first spring 106, a fixing seat 107, a locking bolt 108, a sealing ring 109, a grinding seat 110, an arc ring 111 and a connecting component. The connecting component includes a connection chamber 112, a first connecting plate 113, a second connecting plate 114, a first bolt 115, a second bolt 116, a bolt cap 117, an arc plate 118, a support column 119, a hollow column 120, a second spring 121 and a connecting rib 122. The second outer shell 103 and the fixing seat 107 respectively have threaded holes 123.

[0021] The sealing unit is disposed on the outer sidewall of the cable main body 101. The first housing 102 is disposed on one side of the second housing 103. The connecting component is disposed between the first housing 102 and the second housing 103. The cable main body 101 sequentially passes through the first housing 102, the connecting component, and the second housing 103. The scraping ring 104 is slidably mounted on the inner sidewall of the first housing 102. One end of the first spring 106 is fixedly connected to the first housing 102 and is located on the inner sidewall of the first housing 102. The other end of the first spring 106 is fixedly connected to the scraping ring 104 and is located on one side of the scraping ring 104. The rubber ring 105 is fixedly mounted on one side of the scraping ring 104, and the rubber ring 105 contacts the cable main body 101. The fixed seat 107 is fixedly connected to the second housing 103 and is located on the outer sidewall of the second housing 103. The second housing 103 and the fixed seat 107 respectively have threaded holes 123. The threaded holes 123 are in threaded fit with the locking bolts 108. The sealing ring 109 is fixedly connected to the second housing 103 and is located on the inner sidewall of the second housing 103, and the sealing ring 109 contacts the cable main body 101. The grinding seat 110 is fixedly connected to the locking bolt 108 and is located below the locking bolt 108.

[0022] In this embodiment, the cable main body 101 is sequentially passed through the first housing 102 and the second housing 103. The first housing 102 and the second housing 103 are connected by the connecting component. The rubber ring 105 rubs against the cable main body 101, driving the scraping ring 104 to squeeze the first spring 106. Also, the reverse acting force of the first spring 106 is used to firmly fit with the cable main body 101. The locking bolt 108 is rotated to drive the grinding seat 110 to abut against the cable main body 101, ensuring the stability of the connection. In this way, the sealing performance of the cable main body 101 is improved, the fatigue strength of the construction personnel is reduced, and the efficiency and quality of the cable connection are ensured.

[0023] Furthermore, the arc-shaped ring 111 is fixedly connected to the fixed seat 107 and is located on the outer sidewall of the fixed seat 107.

[0024] In this embodiment, the arc-shaped ring 111 can reduce the impact of the ocean current on the fixed seat 107 and avoid the occurrence of fractures at the connection.

[0025] Further, the first connecting plate 113 is fixedly connected to the first outer shell 102 and is located on the outer side wall of the first outer shell 102. The second connecting plate 114 is fixedly connected to the second outer shell 103 and is located on the outer side wall of the second outer shell 103. The connection chamber 112 is provided between the first connecting plate 113 and the second connecting plate 114. The first bolt 115 passes through the first connecting plate 113 and the connection chamber 112, and the second bolt 116 passes through the second connecting plate 114 and the connection chamber 112.

[0026] In this embodiment, by tightening the first bolt 115 and the second bolt 116, the first outer shell 102 and the second outer shell 103 can be quickly docked to ensure the support work of the joint.

[0027] Further, the bolt cap 117 is detachably connected to the first bolt 115 and is located on the outer side wall of the first bolt 115.

[0028] In this embodiment, the bolt cap 117 can prevent the first bolt 115 from being corroded by seawater and extend the service life of the first bolt 115.

[0029] Further, the hollow column 120 is fixedly connected to the connection chamber 112 and is located on the inner side wall of the connection chamber 112. The support column 119 is slidably installed on the inner side wall of the hollow column 120. One end of the second spring 121 is fixedly connected to the hollow column 120 and is located on the inner side wall of the hollow column 120. The other end of the second spring 121 is fixedly connected to the support column 119 and is located below the support column 119. The arc-shaped plate 118 is fixedly connected to the support column 119 and is located on the outer side wall of the support column 119, and the arc-shaped plate 118 contacts the cable main body 101.

[0030] In this embodiment, the spring force of the second spring 121 is used to push the support column 119 upward, driving the arc-shaped plate 118 to fit the cable main body 101 to support the connection part of the cable main body 101.

[0031] Further, one end of the connecting rib 122 is fixedly connected to the arc-shaped plate 118 and is located below the arc-shaped plate 118. The other end of the connecting rib 122 is fixedly connected to the support column 119 and is located on the outer side wall of the support column 119.

[0032] In this embodiment, the connecting rib 122 can share the connection pressure between the arc-shaped plate 118 and the support column 119 and extend the service life of the arc-shaped plate 118.

[0033] The above disclosure is only a preferred embodiment of the present application, and it cannot be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A joint for a submarine cable, characterized in that it includes a cable main body and a sealing unit, and the sealing unit is arranged on the outer side wall of the cable main body; The sealing unit includes a first outer shell, a second outer shell, a scraping ring, a rubber ring, a first spring, a fixing seat, a locking bolt, a sealing ring, a grinding seat and a connecting component. The first outer shell is arranged on one side of the second outer shell, the connecting component is arranged between the first outer shell and the second outer shell, the cable main body sequentially penetrates through the first outer shell, the connecting component and the second outer shell, the scraping ring is slidably installed on the inner side wall of the first outer shell, one end of the first spring is fixedly connected to the first outer shell and is located on the inner side wall of the first outer shell, the other end of the first spring is fixedly connected to the scraping ring and is located on one side of the scraping ring, the rubber ring is fixedly installed on one side of the scraping ring, and the rubber ring contacts the cable main body, the fixing seat is fixedly connected to the second outer shell and is located on the outer side wall of the second outer shell, the second outer shell and the fixing seat respectively have threaded holes, the threaded holes are in threaded cooperation with the locking bolt, the sealing ring is fixedly connected to the second outer shell and is located on the inner side wall of the second outer shell, and the sealing ring contacts the cable main body, the grinding seat is fixedly connected to the locking bolt and is located below the locking bolt.

2. The joint for a submarine cable according to claim 1, characterized in that the sealing unit further includes an arc-shaped ring, and the arc-shaped ring is fixedly connected to the fixing seat and is located on the outer side wall of the fixing seat.

3. The joint for a submarine cable according to claim 2, characterized in that the connecting component includes a connecting chamber, a first connecting plate, a second connecting plate, a first bolt and a second bolt. The first connecting plate is fixedly connected to the first outer shell and is located on the outer side wall of the first outer shell, the second connecting plate is fixedly connected to the second outer shell and is located on the outer side wall of the second outer shell, the connecting chamber is arranged between the first connecting plate and the second connecting plate, the first bolt penetrates through the first connecting plate and the connecting chamber, and the second bolt penetrates through the second connecting plate and the connecting chamber.

4. The joint for a submarine cable according to claim 3, characterized in that the connecting component further includes a bolt cap, and the bolt cap is detachably connected to the first bolt and is located on the outer side wall of the first bolt.

5. The joint for a submarine cable according to claim 4, characterized in that the connecting component further includes an arc-shaped plate, a support column, a hollow column and a second spring. The hollow column is fixedly connected to the connecting chamber and is located on the inner side wall of the connecting chamber, the support column is slidably installed on the inner side wall of the hollow column, one end of the second spring is fixedly connected to the hollow column and is located on the inner side wall of the hollow column, the other end of the second spring is fixedly connected to the support column and is located below the support column, the arc-shaped plate is fixedly connected to the support column and is located on the outer side wall of the support column, and the arc-shaped plate contacts the cable main body.

6. The joint for submarine cable according to claim 5, wherein the connecting assembly further includes a connecting rib, one end of the connecting rib is fixedly connected to the arc-shaped plate and is located below the arc-shaped plate, and the other end of the connecting rib is fixedly connected to the support column and is located on the outer side wall of the support column.

Images