CN108598789A - It is a kind of can under water environment complete Plug Action wet plug piecing devices - Google Patents

Abstract

The present invention relates to underwater electrical equipments, it is desirable to provide it is a kind of can under water environment complete Plug Action wet plug piecing devices.Its socket includes insulative water-proof shell with interior cavity and the piston structure that is connected to cavity, and inside fills nonconducting hydraulic oil；Metallic conduction shrapnel is embedded in the housing, and one end exposes to front opening side wall；Plug includes the shape body of insulation, and outside is equipped with the ferromagnetism steel plate being connected with cable；When receptacle openings are inserted into the front end of plug body and realize fixed with snap part, which connects with the end of metallic conduction shrapnel exposed on receptacle openings side wall, and realizes sealing by the sealing ring on plug body.Currently invention addresses the electrical connection of underwater environment, plug operation can be done directly by making electrifying system under water.Realization principle is simple, easy to process, and production is at low cost.Equipment assembling can be realized under water, repair, is replaced, increase and decrease, and time, energy and cost are saved.

Description

A wet-plug joint device capable of completing the plug-in and pull-out action in an underwater environment

technical field

The invention relates to underwater electrical equipment, in particular to a wet plugging joint device capable of completing electrical plugging in an underwater environment.

Background technique

Underwater wet plugging technology is one of the core technologies in the field of marine technology and one of the basic means for deep sea environment and resource investigation. At present, most of the electrical connections of marine technology equipment in the water environment are completed by watertight plugging, but the plugging action is completed in the air or in a dry environment. , the underwater equipment must be powered off and the overall equipment salvaged to a dry environment before it can be replaced and connected. It not only consumes time and manpower, but also is detrimental to the safety of underwater equipment for long-term monitoring. The present invention designs and improves the existing plug-in device, and proposes an underwater wet plug-in connector for low-power electric energy transmission, so as to realize the rapid and economical underwater equipment assembly and increase of electrical appliances. Reduction, replacement and other work.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a wet plugging and unplugging joint device capable of completing plugging and unplugging operations in an underwater environment.

For solving technical problem, solution of the present invention is:

Provided is a wet plug connector device capable of completing plugging and unplugging operations in an underwater environment, including sockets and plugs respectively connected to cables; the socket has the following structure: it includes an insulating waterproof shell with a cavity inside, and There is an opening; the opening is equipped with a movable waterproof stopper matching with its gap, and the seal is realized by a sealing ring; a spring is set between the waterproof stopper and the bottom of the cavity, and the cavity is filled with non-conductive hydraulic oil, and the socket There is a piston structure connected to the cavity; a metal conductive shrapnel is embedded in the shell of the insulating waterproof casing, one end of which is connected to the cable, and the other end is exposed on the side wall of the opening, and is realized by a waterproof stopper and a sealing ring. Waterproof and insulation; a buckle part for fixing the plug is provided at the front end of the insulating waterproof casing;

The plug includes an insulating rod-shaped main body, and a tubular waterproof insulating shell is sleeved on the outside of the main body, and can move axially relative to the main body; the front end of the waterproof shell is provided with a buckle part, and the front end of the plug main body has a socket opening. Matching shape; on the outside of the plug body, there is a conductive metal piece connected to the cable and a distance from the front end of the main body, and a sealing ring is set on both sides of the conductive metal piece to achieve sealing; when the front end of the plug body is inserted into the socket opening and is held by the card When the buckle part cooperates to realize the fixation, the conductive metal part is connected with the end of the metal conductive shrapnel exposed on the side wall of the socket opening, and the seal is realized by the sealing ring on the plug main body.

In the present invention, a conductive metal is provided at the bottom of the cavity of the socket, and the conductive metal is respectively connected to the cable and the metal conductive shrapnel.

In the present invention, the opening of the socket is a circular hole, and the front end of the plug body is cylindrical, and the dimensions of the plug body are matched with each other so that the plug body can be freely plugged and pulled out in the socket opening.

In the present invention, the insulating and waterproof casing of the socket has an extended tail, and the cable and the piston structure are both embedded in the tail.

In the present invention, the main body of the plug has an extended tail, and the cable is embedded in the tail.

In the present invention, there are at least two metal conductive shrapnels, which are arranged symmetrically or uniformly in the insulating and waterproof casing.

In the present invention, the conductive metal piece outside the main body of the plug is a ring-shaped metal piece, a tubular metal piece or a columnar metal block.

In the present invention, on the outer side of the plug main body and the side wall of the socket opening, there are respectively provided track grooves and protrusions that match each other.

In the present invention, the spring is sleeved on the columnar track.

Description of invention principle:

Waterproof and insulated wet plug connector shape and structure: the main part of the plug can be divided into three sections, two sections of waterproof insulation cylinder sandwich a section of conductive metal parts, the conductive metal parts are completely wrapped by a movable waterproof insulating shell, to ensure that it is not working, working It is isolated from water during the plugging and unplugging process. The sealing ring prevents water from entering the contact part of the waterproof insulating shell with the rod-shaped main body. The front end of the waterproof insulating shell is provided with a buckle part, which cooperates with the buckle part at the front end of the socket to play a fixing role. The cavity of the socket part can maintain the pressure balance through the piston structure, thereby accommodating the main body part of the plug during the plugging and unplugging process. A cylindrical movable waterproof block is arranged at the opening of the socket, and a sealing ring is passed between the waterproof block and the inner wall of the opening to realize waterproofing. On the outer side of the main body of the plug and the side wall of the opening of the socket, matching track grooves and protrusions are respectively provided, so that positioning can be realized when the plug is pushed into the socket. The metal conductive area of the plug touches the metal conductive shrapnel of the socket, and the circuit is connected. The cavity of the socket adjusts the amount of oil in the cavity through the piston structure to maintain the balance of pressure and protect the device. When the plug-in structure is connected, the oil in the insulating oil-filled cavity gradually enters the piston to maintain the pressure balance in the cavity; similarly, the oil stored in the piston structure re-enters the inner cavity when the plug is separated.

The metal conductive shrapnel in the socket can change shape under certain external force to achieve better contact. The waterproof casing and the internal structure of the plug and socket are connected by a sealing ring, which not only achieves water isolation, but also effectively changes the structural position. The plug, socket, block, and metal conductive area are all hollow cylinder structures, and the sealing ring is O-shaped. The cross-sections of the waterproof stopper, the plug body, and the conductive metal parts of the plug can be circular with equal areas, and the diameter of the circle is just equal to the inner diameter of the waterproof casing. During the plugging and unplugging operation, the plug part can just enter the socket and be water-proof.

Compared with prior art, the beneficial effect of the present invention is:

1. The device in the present invention focuses on the electrical connection in the underwater environment, so that the power supply system can directly complete the plugging and unplugging operation underwater. Underwater equipment can be assembled, repaired, replaced, added or removed without surfacing, thus saving time, energy and cost.

2. The realization principle of the present invention is simple, the processing is convenient, the production cost of the product is low, and it is beneficial to the popularization of the wet plugging technology.

Description of drawings

Figure 1 is a schematic cross-sectional view of a wet plug connector device;

Fig. 2 is a schematic diagram of the external structure of the wet plug connector device;

Fig. 3 is a left view of the product in Fig. 2;

Fig. 4 is a right side view of the product in Fig. 2 .

In the figure, 1 the rear end of the socket shell; 2 the front end of the socket shell; 3 metal conductive shrapnel; 4 buckle parts; 5 plug shell; 6 plug main body; 7 plug main body rear end; 8 conductive metal; 9 spring; moving) waterproof block; 11 sealing ring; 12 buckle parts; 13 conductive metal parts; 14 sealing ring; 15 cable; 16 piston structure; 17 cavity.

Detailed ways

Below in conjunction with accompanying drawing, the specific implementation scheme of the present invention is described:

As shown in the figure, the wet plug connector device that can complete the plugging action in the underwater environment includes a socket and a plug that are respectively connected to the cable; the socket has the following structure: it includes an insulating waterproof shell with a cavity inside, The front end is provided with a circular hole-shaped opening; a cylindrical movable waterproof stopper 10 matching with the gap is installed in the opening, and the seal is realized by a sealing ring; a columnar track is set between the waterproof stopper 10 and the bottom of the cavity 17, A spring 9 is sheathed on the columnar track, which can expand and contract during the plugging operation. . The cavity 17 is filled with non-conductive hydraulic oil, and the socket is provided with a piston structure 16 communicating with the cavity 17 . The insulating and waterproof housing of the socket has an extended tail in which both the cable and the piston structure 16 are embedded. At least two symmetrical or evenly arranged metal conductive springs 3 are embedded in the shell of the insulating waterproof casing, and a conductive metal 8 is provided at the bottom of the cavity 17 of the socket, and the conductive metal 8 is respectively connected to the cable and the metal conductive spring 3 . The other end of the metal conductive shrapnel 3 is exposed on the side wall of the opening, and is waterproof and insulated by a waterproof block 10 and a sealing ring 11; a buckle part 4 for fixing the plug is provided at the front end of the insulating waterproof casing.

The plug includes an insulating rod-shaped plug body 6, and a tubular waterproof insulating shell is set outside the plug body 6, and can move axially relative to the body; The front end has a shape that matches the opening of the socket; a conductive metal piece 13 connected to the cable is provided on the outside of the plug body 6, the conductive metal piece 13 is kept at a distance from the front end of the plug body 6, and a seal is provided on both sides of the conductive metal piece 13 When the front end of the plug main body 6 is inserted into the socket opening and fixed by the buckle parts 4, 12, the conductive metal piece 13 is connected to the end of the exposed metal conductive shrapnel 3 on the side wall of the socket opening, and Sealing is achieved by a sealing ring 14 on the plug body 6 . The plug body 6 has an extended tail in which the cable is embedded. The conductive metal piece 13 outside the plug body 6 can be an annular metal piece, a tubular metal piece or a columnar metal block. Optionally, on the outer side of the plug body 6 (of the front end) and the side wall of the socket opening, mutually matching protrusions and axial grooves are respectively provided for positioning. The front end of the plug main body 6 is cylindrical, and its size matches with the socket opening so that the plug main body 6 can be freely inserted and removed in the socket opening.

Instructions:

The inner chamber of the socket communicates with the non-conductive hydraulic oil in the piston structure 16 . When the plug body 6 is pushed into the socket, the conductive metal piece 13 of the plug touches the metal conductive shrapnel 3 of the socket, and the circuit is connected. During the connecting process, the oil body gradually enters the piston structure 16 to maintain the pressure balance in the inner cavity; similarly, the oil body stored in the piston structure 16 re-enters the inner cavity during the separation process of the plugging structure.

Claims (9)

1. A wet plug connector device capable of completing plugging and unplugging actions in an underwater environment, comprising sockets and plugs respectively connected to cables; it is characterized in that the socket has the following structure: including an insulating and waterproof socket with a built-in cavity The shell has an opening at its front end; a movable waterproof stopper matching its gap is installed in the opening, and is sealed by a sealing ring; a spring is set between the waterproof stopper and the bottom of the cavity, and the cavity is filled with non-conductive The socket is equipped with a piston structure communicating with the cavity; a metal conductive shrapnel is embedded in the shell of the insulating waterproof casing, one end of which is connected to the cable, and the other end is exposed on the side wall of the opening, and is protected by a waterproof barrier. block and sealing ring to achieve waterproof and insulation; a buckle part for fixing the plug is provided at the front end of the insulating waterproof casing; The plug includes an insulating rod-shaped main body, and a tubular waterproof insulating shell is sleeved on the outside of the main body, and can move axially relative to the main body; the front end of the waterproof shell is provided with a buckle part, and the front end of the plug main body has a socket opening. Matching shape; on the outside of the plug body, there is a conductive metal piece connected to the cable and a distance from the front end of the main body, and a sealing ring is set on both sides of the conductive metal piece to achieve sealing; when the front end of the plug body is inserted into the socket opening and is held by the card When the buckle part cooperates to realize the fixation, the conductive metal part is connected with the end of the metal conductive shrapnel exposed on the side wall of the socket opening, and the seal is realized by the sealing ring on the plug main body. 2. The device according to claim 1, wherein a conductive metal is provided at the bottom of the cavity of the socket, and the conductive metal is respectively connected to the cable and the metal conductive shrapnel. 3. The device according to claim 1, characterized in that the opening of the socket is a circular hole, and the front end of the plug body is cylindrical, and the dimensions thereof are mutually matched so that the plug body can be freely plugged in the socket opening. 4. The device according to claim 1, wherein the insulating waterproof housing of the socket has an extended tail, and the cable and the piston structure are both embedded in the tail. 5. The device of claim 1, wherein the body of the plug has an extended tail, and the cable is embedded in the tail. 6. The device according to claim 1, characterized in that there are at least two metal conductive elastic pieces, which are symmetrically or evenly arranged in the insulating and waterproof casing. 7. The device according to claim 1, wherein the conductive metal piece outside the plug body is a ring-shaped metal piece, a tubular metal piece or a columnar metal block. 8 . The device according to claim 1 , wherein, on the outer side of the plug body and on the side wall of the socket opening, mutually matching protrusions and axial grooves are respectively provided for positioning. 9. The device according to claim 1, wherein the spring is sleeved on the cylindrical track.