Sealing structure of submarine cable joint

Abstract

The utility model discloses a sealing structure of a submarine cable joint, which comprises a first connecting pipe and a second connecting pipe, the right end of the first connecting pipe is fixedly connected with a sealing groove, the left end of the second connecting pipe is fixedly connected with a sealing bulge, the outer side wall of the first connecting pipe is fixedly connected with a connecting sleeve, and the outer side wall of the second connecting pipe is fixedly connected with a sealing groove. The outer side wall of the second connecting pipe is rotationally connected with a fixing sleeve, and the left end of the fixing sleeve is fixedly connected with a limiting sleeve. The fixing sleeve and the connecting sleeve are in threaded connection, matching grooves are evenly formed in the outer side wall of the fixing sleeve, a sealing sleeve is connected to the outer side wall of the first connecting pipe, and a glue injection opening is formed in the upper side wall of the sealing sleeve. According to the utility model, the sealing effect between the first connecting pipe and the second connecting pipe can be effectively improved through the matching of the limiting sleeve and the connecting sleeve, and the fixing sleeve can be rotated through the hexagonal matching sleeve, so that the convenience of the connection between the first connecting pipe and the second connecting pipe is effectively improved.

Description

Technical Field

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

[0002] Submarine cables are used for connecting large-scale submarine mechanical equipment. The hub is one of the key components of the submarine cable joint system. It is welded to each pipe end to be connected. The inner (IB) hub is usually installed on the porch of the XMT or manifold, and the outer (OB) hub is installed at the end of the oil outlet pipeline, jumper or umbilical cable. However, there are still some deficiencies in the existing sealing structure of submarine cable joints. It is not convenient to connect, the connection and fitting effect between joints is poor, resulting in more seawater entering the interior, rapid corrosion of the sealing parts, and insufficient positioning effect on the sealing parts, prone to gaps and poor sealing performance. Therefore, a new sealing structure for submarine cable joints is needed to solve the above defects. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a sealing structure for a submarine cable joint. The device is provided with a fixing sleeve, a limiting sleeve, a connecting sleeve and a hexagonal mating sleeve. The first connecting pipe and the second connecting pipe can be effectively connected through the cooperation of the fixing sleeve and the connecting sleeve. The cooperation between the limiting sleeve and the connecting sleeve can effectively improve the sealing effect between the first connecting pipe and the second connecting pipe. The fixing sleeve can be rotated through the hexagonal mating sleeve, thereby effectively improving the convenience of connection between the first connecting pipe and the second connecting pipe;

[0004] The device is provided with a sealing sleeve and a glue injection port. The sealing sleeve can effectively improve the sealing performance between the first connecting pipe, the connecting sleeve and the limiting sleeve. Sealing glue can be filled in the glue injection port, so as to further fix the connecting sleeve and the limiting sleeve, and effectively improve the sealing effect and corrosion resistance between the connecting sleeve and the limiting sleeve.

[0005] The utility model also provides a sealing structure for a submarine cable joint with the above features, including: a first connecting pipe and a second connecting pipe. A sealing groove is fixedly connected to the right end of the first connecting pipe, and a sealing convex is fixedly connected to the left end of the second connecting pipe. A connecting sleeve is fixedly connected to the outer side wall of the first connecting pipe, a fixing sleeve is rotatably connected to the outer side wall of the second connecting pipe, and a limiting sleeve is fixedly connected to the left end of the fixing sleeve;

[0006] The fixing sleeve and the connecting sleeve are in threaded connection. A mating groove is uniformly arranged on the outer side wall of the fixing sleeve. The fixing sleeve is movably connected with a hexagonal mating sleeve through the mating groove. A sealing sleeve is connected to the outer side wall of the first connecting pipe, and a glue injection port is arranged on the upper side wall of the sealing sleeve.

[0007] According to the sealing structure of an underwater cable joint described above, the sealing groove and the sealing protrusion cooperate with each other to improve the matching effect between the first connecting pipe and the second connecting pipe.

[0008] According to the sealing structure of an underwater cable joint described above, a number of cooperating protrusions are fixedly connected inside the hexagonal mating sleeve, and the cooperating protrusions cooperate with the cooperating grooves, which can effectively prevent the hexagonal mating sleeve and the fixed sleeve from rotating relative to each other, so that the fixed sleeve can be driven to rotate by the hexagonal mating sleeve.

[0009] According to the sealing structure of an underwater cable joint described above, sealing gaskets are fixedly connected between the sealing sleeve and the first connecting pipe, between the sealing sleeve and the limiting sleeve, and between the connecting sleeve and the inner side wall of the fixed sleeve, so as to improve the sealing performance between the sealing sleeve and the first connecting pipe, between the sealing sleeve and the limiting sleeve, and between the connecting sleeve and the fixed sleeve.

[0010] According to the sealing structure of an underwater cable joint described above, a tapered groove is provided on the outer side wall of the connecting sleeve and near the left side, and the tapered groove cooperates with the inner side wall of the limiting sleeve to improve the matching effect between the limiting sleeve and the connecting sleeve.

[0011] According to the sealing structure of an underwater cable joint described above, sealing glue is filled between the connecting sleeve, the first connecting pipe, the connecting sleeve and the limiting sleeve, which is convenient for further fixing the connecting sleeve and the limiting sleeve, and effectively improves the sealing effect between the connecting sleeve and the limiting sleeve.

[0012] According to the sealing structure of an underwater cable joint described above, the first connecting pipe and the connecting sleeve are made by an integral forming technology, which improves the sealing effect and connection strength between the first connecting pipe and the connecting sleeve.

[0013] According to the sealing structure of an underwater cable joint described above, both the fixed sleeve and the limiting sleeve are made by an integral forming technology, which improves the connection strength between the limiting sleeve and the fixed sleeve, and a rotating seal is provided between the fixed sleeve and the second connecting pipe to improve the sealing performance between the fixed sleeve and the second connecting pipe.

[0014] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0016] Figure 1 is a structural schematic diagram of a sealing structure of an underwater cable joint of the present utility model;

[0017] Figure 2Side schematic view of a sealing structure of a submarine cable joint of the present utility model;

[0018] Figure 3 Cross-sectional schematic view of a sealing structure of a submarine cable joint of the present utility model;

[0019] Figure 4 Top schematic view of a sealing structure of a submarine cable joint of the present utility model.

[0020] Legend description:

[0021] 1. First connecting pipe; 101. Sealing groove; 2. Second connecting pipe; 201. Fixed sleeve; 2011. Fitting groove; 202. Limiting sleeve; 203. Sealing convex; 3. Sealing sleeve; 301. Glue injection port; 4. Hexagonal fitting sleeve; 401. Fitting convex; 5. Connecting sleeve; 501. Conical groove. Specific implementation manners

[0022] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0024] Refer to Figures 1-4, an embodiment of the utility model provides a sealing structure for a submarine cable joint, which includes: a first connecting pipe 1 and a second connecting pipe 2. A sealing groove 101 is fixedly connected to the right end of the first connecting pipe 1, and a sealing convex 203 is fixedly connected to the left end of the second connecting pipe 2. The sealing groove 101 cooperates with the sealing convex 203 to improve the matching effect between the first connecting pipe 1 and the second connecting pipe 2.

[0025] A connecting sleeve 5 is fixedly connected to the outer side wall of the first connecting pipe 1. A fixing sleeve 201 is rotatably connected to the outer side wall of the second connecting pipe 2. A limiting sleeve 202 is fixedly connected to the left end of the fixing sleeve 201. A tapered groove 501 is arranged on the outer side wall of the connecting sleeve 5 and close to the left side. The tapered groove 501 cooperates with the inner side wall of the limiting sleeve 202 to improve the matching effect between the limiting sleeve 202 and the connecting sleeve 5.

[0026] The fixing sleeve 201 and the connecting sleeve 5 are in threaded connection. A plurality of matching grooves 2011 are uniformly arranged on the outer side wall of the fixing sleeve 201. The fixing sleeve 201 is movably connected with a hexagonal matching sleeve 4 through the matching grooves 2011. A plurality of matching protrusions 401 are fixedly connected to the inside of the hexagonal matching sleeve 4. The matching protrusions 401 cooperate with the matching grooves 2011, which can effectively prevent the hexagonal matching sleeve 4 from rotating relative to the fixing sleeve 201, so that the fixing sleeve 201 can be driven to rotate through the hexagonal matching sleeve 4.

[0027] A sealing sleeve 3 is connected to the outer side wall of the first connecting pipe 1. A glue injection port 301 is arranged on the upper side wall of the sealing sleeve 3. Sealing gaskets are fixedly connected between the sealing sleeve 3 and the first connecting pipe 1, between the sealing sleeve 3 and the limiting sleeve 202, and between the inner side wall of the connecting sleeve 5 and the fixing sleeve 201 to improve the sealing performance between the sealing sleeve 3 and the first connecting pipe 1, between the sealing sleeve 3 and the limiting sleeve 202, and between the connecting sleeve 5 and the fixing sleeve 201.

[0028] Sealing glue is filled between the connecting sleeve 5, the first connecting pipe 1, the connecting sleeve 5 and the limiting sleeve 202, which is convenient for further fixing the connecting sleeve 5 and the limiting sleeve 202 and effectively improves the sealing effect between the connecting sleeve 5 and the limiting sleeve 202. The first connecting pipe 1 and the connecting sleeve 5 are made by an integral molding technology to improve the sealing effect and connection strength between the first connecting pipe 1 and the connecting sleeve 5. The fixing sleeve 201 and the limiting sleeve 202 are both made by an integral molding technology to improve the connection strength between the limiting sleeve 202 and the fixing sleeve 201. A rotating seal is arranged between the fixing sleeve 201 and the second connecting pipe 2 to improve the sealing performance between the fixing sleeve 201 and the second connecting pipe 2.

[0029] Working principle: The device is provided with a fixed sleeve 201, a limiting sleeve 202, a connecting sleeve 5 and a hexagonal mating sleeve 4. The first connecting pipe 1 and the second connecting pipe 2 can be effectively connected through the cooperation of the fixed sleeve 201 and the connecting sleeve 5. The cooperation of the limiting sleeve 202 and the connecting sleeve 5 can effectively improve the sealing effect between the first connecting pipe 1 and the second connecting pipe 2. The fixed sleeve 201 can be rotated through the hexagonal mating sleeve 4, thereby effectively improving the convenience of connection between the first connecting pipe 1 and the second connecting pipe 2. The device is provided with a sealing sleeve 3 and a glue injection port 301. The sealing sleeve 3 can effectively improve the sealing performance among the first connecting pipe 1, the connecting sleeve 5 and the limiting sleeve 202. Sealant can be filled in the glue injection port 301, so as to further fix the connecting sleeve 5 and the limiting sleeve 202, and effectively improve the sealing effect and corrosion resistance between the connecting sleeve 5 and the limiting sleeve 202.

[0030] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art to which the present invention pertains, various changes can be made without departing from the gist of the present invention.

Claims

1. A sealing structure for a submarine cable joint, characterized in that, Including: A first connecting pipe (1) and a second connecting pipe (2). The right end of the first connecting pipe (1) is fixedly connected with a sealing groove (101). The left end of the second connecting pipe (2) is fixedly connected with a sealing projection (203). The outer side wall of the first connecting pipe (1) is fixedly connected with a connecting sleeve (5). The outer side wall of the second connecting pipe (2) is rotatably connected with a fixing sleeve (201). The left end of the fixing sleeve (201) is fixedly connected with a limiting sleeve (202); The fixing sleeve (201) is in threaded connection with the connecting sleeve (5). The outer side wall of the fixing sleeve (201) is evenly provided with a mating groove (2011). The fixing sleeve (201) is movably connected with a hexagonal mating sleeve (4) through the mating groove (2011). The outer side wall of the first connecting pipe (1) is connected with a sealing sleeve (3). The upper side wall of the sealing sleeve (3) is provided with a glue injection port (301).

2. The sealing structure of a submarine cable joint according to claim 1, characterized in that, The sealing groove (101) is matched with the sealing projection (203).

3. The sealing structure of a submarine cable joint according to claim 1, characterized in that, A plurality of mating projections (401) are fixedly connected inside the hexagonal mating sleeve (4). The mating projections (401) are matched with the mating grooves (2011).

4. The sealing structure of a submarine cable joint according to claim 1, characterized in that, Sealing gaskets are fixedly connected between the sealing sleeve (3) and the first connecting pipe (1), between the sealing sleeve (3) and the limiting sleeve (202), and between the connecting sleeve (5) and the inner side wall of the fixing sleeve (201).

5. The sealing structure of a submarine cable joint according to claim 1, characterized in that, A tapered groove (501) is arranged on the outer side wall of the connecting sleeve (5) and near the left side. The tapered groove (501) is matched with the inner side wall of the limiting sleeve (202).

6. The sealing structure of a submarine cable joint according to claim 1, characterized in that, Sealing glue is filled between the connecting sleeve (5), the first connecting pipe (1), the connecting sleeve (5), and the limiting sleeve (202).

7. The sealing structure of a submarine cable joint according to claim 1, characterized in that, The first connecting pipe (1) and the connecting sleeve (5) are made by an integral molding technique.

8. The sealing structure of a submarine cable joint according to claim 1, characterized in that, The fixing sleeve (201) and the limiting sleeve (202) are both made by an integral molding technique. A rotational seal is arranged between the fixing sleeve (201) and the second connecting pipe (2).

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