Underwater wet plugging connecting device

Abstract

The invention relates to the field of optical transmission instruments, in particular to an underwater wet plugging connection device. The underwater wet plugging connection device comprises a male plug and a female plug, wherein the male plug comprises a body, a plunger and a first optical fiber butt joint; the body is provided with a first channel and a first accommodating groove, the first channel is communicated with the first accommodating groove, and the first channel is blocked from the outside; the plunger is movably arranged in the first channel; the first optical fiber butt joint is arranged in the first accommodating groove; the female plug comprises a shell, a column body, a sliding piece and a second optical fiber butt joint; a second accommodating groove is formed in the column body; the sliding piece is movably arranged in the shell and arranged on the column body in a sleeved mode. The second optical fiber butt joint is arranged in the second accommodating groove; during butt joint, the body abuts against the sliding piece, and the plunger and the cylinder abut against the first optical fiber butt joint and the second optical fiber butt joint. According to the underwater wet plugging connection device, the first optical fiber butt joint and the second optical fiber butt joint can be located in a sealed environment before and after butt joint.

Description

Technical Field

[0001] The present invention relates to the field of optical transmission equipment, and in particular to an underwater wet plug-in connection device. Background Art

[0002] The underwater connector is used to connect and conduct the male and female fiber optic butt plugs in an underwater wet environment, and to isolate the seawater by sealing for data transmission. The underwater fiber optic butt connector is the core device that enables intelligent control of submarine equipment.

[0003] When wet plugging and unplugging is performed underwater, if the optical fiber is directly exposed to the marine environment, factors such as sea mud and marine organisms will affect the transmission effect of the optical fiber connector, and also affect the service life of the optical fiber connector. Therefore, it is necessary to provide a connector suitable for underwater wet environment plugging and unplugging. The wet plug connector must achieve sealing protection for the optical fiber connector before and after docking. Summary of the invention

[0004] The objectives of the present invention include, for example, providing an underwater wet plug connection device, which can enable the male plug and the female plug to extend the column into the first channel before and after the plugging, so that the boundaries of the first channel and the second channel are blocked from the outside, thereby causing the first optical fiber connector and the second optical fiber connector to be located in a sealed environment before and after docking, thereby preventing seawater, mud, and marine organisms from entering the channel receiving groove to contaminate the optical fiber connector and affect the service life of the optical fiber connector.

[0005] The embodiments of the present invention can be implemented as follows:

[0006] The present invention provides an underwater wet plug connection device, comprising:

[0007] The male plug comprises a body, a plunger and a first optical fiber joint; the body is provided with a first channel and a first receiving groove, the first channel and the first receiving groove are communicated, and the first channel is blocked from the outside; the plunger is movably arranged in the first channel to block or open the first receiving groove; the first optical fiber joint is arranged in the first receiving groove;

[0008] The female plug comprises a housing, a column, a sliding member and a second optical fiber joint; the sliding member is provided with a second passage, the column is passed through the sliding member, and the column is provided with a second receiving groove; the sliding member is movably arranged in the housing to block or open the second receiving groove; the second optical fiber joint is arranged in the second receiving groove;

[0009] When the male plug and the female plug are plugged in, the body and the sliding part abut against each other, the plunger and the column abut against each other, and part of the column extends into the first channel until the second accommodating groove is opposite to the first accommodating groove, and the first optical fiber docking joint is docked with the second optical fiber docking joint.

[0010] In an optional embodiment, the first optical fiber docking connector is movably disposed in the first receiving groove and has a tendency to move toward the first channel;

[0011] The plunger includes a blocking portion and a resisting portion, wherein the blocking portion is connected to the resisting portion; the diameter of the resisting portion is smaller than the diameter of the blocking portion, and the blocking portion is slidably matched with the first channel;

[0012] When the male plug and the female plug are out of engagement, the blocking portion blocks the first receiving groove; when the male plug and the female plug are plugged in, the blocking portion opens the first receiving groove.

[0013] In an optional embodiment, the male plug further includes a first elastic member disposed in the first receiving groove, and the first elastic member is used to allow the first optical fiber connector to have a tendency to move from the first receiving groove to the first channel.

[0014] In an optional embodiment, a first guiding slope is provided at the connection between the blocking portion and the abutting portion;

[0015] The first guiding inclined surface is used to connect with the first optical fiber joint when the plunger moves toward the column, and guide the first optical fiber joint to move from the first channel to the first accommodating groove.

[0016] In an optional embodiment, the first optical fiber butt joint is provided with a second guiding bevel, and the second guiding bevel is used to contact with the first guiding bevel.

[0017] In an optional embodiment, the first channel includes a first segment and a second segment, the first segment is connected to the second segment, the inner diameter of the first segment is smaller than the inner diameter of the second segment, and the first containing groove is connected to the second segment;

[0018] The first section is used to cooperate with the abutting portion, and the second section is used to cooperate with the blocking portion.

[0019] In an optional embodiment, a third guiding bevel is provided at the connection between the first segment and the second segment, and the third guiding bevel is used to cooperate with the first guiding bevel.

[0020] In an optional embodiment, the male plug further includes a second elastic member disposed in the first channel, and the second elastic member is used to allow the plunger to have a tendency to move in a direction toward one end of the body that is used to abut against the sliding member to block the first accommodating groove.

[0021] In an optional embodiment, the female plug further includes a third elastic member disposed in the housing, and the third elastic member is used to allow the sliding member to have a tendency to move in a direction toward one end of the column that is used to abut against the plunger to block the second accommodating groove.

[0022] The beneficial effects of the embodiments of the present invention include, for example:

[0023] The underwater wet plug connection device comprises a male plug and a female plug, the male plug comprises a body, a plunger and a first optical fiber docking joint; the body is provided with a first channel and a first accommodating groove, the first channel and the first accommodating groove are communicated, and the first channel is blocked from the outside; the plunger can be movably arranged in the first channel to block or open the first accommodating groove; the first optical fiber docking joint is arranged in the first accommodating groove; the female plug comprises an outer shell, a column, a sliding member and a second optical fiber docking joint; the sliding member is provided with a second channel, the column is penetrated by the sliding member, and the column is provided with a second accommodating groove; the sliding member can be movably arranged in the outer shell to block or open the second accommodating groove; the second optical fiber docking joint is arranged in the second accommodating groove; wherein, when the male plug and the female plug are plugged and matched, the body and the sliding member abut against each other, the plunger and the column abut against each other, and part of the column extends into the first channel until the second accommodating groove is directly opposite to the first accommodating groove, and the first optical fiber docking joint is docked with the second optical fiber docking joint.

[0024] The underwater wet plug connection device blocks the first receiving groove by setting a plunger, so that the first optical fiber joint is in a sealed environment before docking; the second receiving groove is opened in the column, and the second receiving groove is blocked by a sliding member, so that the second optical fiber joint is in a sealed environment before docking. During the docking process, the movement of the plunger and the sliding member allows the first receiving groove and the second receiving groove to approach each other and communicate with each other, so that the first optical fiber joint and the second optical fiber joint are docked, and because the column part extends into the first channel, the first channel is blocked from the outside, and the first optical fiber joint and the second optical fiber joint are still in a sealed environment during the docking process. Therefore, the underwater wet plug connection device can block the first channel and the second channel from the outside before and after the male plug and the female plug are plugged, so that the first optical fiber joint and the second optical fiber joint are in a sealed environment before and after docking, thereby preventing seawater, silt and marine organisms from entering the channel receiving groove to pollute the optical fiber joint and avoid affecting the service life of the optical fiber joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 This is a schematic diagram of the structure of the male plug and the female plug provided by the present invention before docking;

[0027] Figure 2 for Figure 1 Sectional view at AA;

[0028] Figure 3 This is a schematic diagram of the structure of the male plug and the female plug provided by the present invention after docking;

[0029] Figure 4 for Figure 3 Cross-sectional view at BB;

[0030] Figure 5 for Figure 4 A partial enlarged view of point C in the middle;

[0031] Figure 6 A cross-sectional view of the male plug provided by the present invention;

[0032] Figure 7 A cross-sectional view of the female plug provided by the present invention.

[0033] Icon: 100-underwater wet plug connection device; 110-male plug; 111-main body; 112-plunger; 113-first optical fiber docking joint; 114-first channel; 115-first accommodating groove; 116-blocking part; 117-holding part; 118-first guide slope; 119-second guide slope; 121-first elastic member; 122-second elastic member; 123-oil bag; 124-first balancing hole; 125-locating pin; 126-third guide slope; 130-female plug; 131-housing; 132-sliding member; 133-column; 134-second optical fiber docking joint; 135-second channel; 136-second accommodating groove; 137-third elastic member; 138-second balancing hole; 139-locating groove. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0037] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear to indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the invention is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0039] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0040] When the plug in the prior art is wet-plugged and unplugged underwater, the optical fiber connector will be directly exposed to the marine environment, causing factors such as seawater, mud and marine life to affect the transmission effect of the optical fiber connector, and also affect the service life of the optical fiber connector.

[0041] Based on this, please refer to Figure 1-Figure 7 , Figure 1 This is a schematic structural diagram of the male plug 110 and the female plug 130 provided by the present invention before being connected; Figure 2 for Figure 1 Sectional view at AA; Figure 3 This is a schematic diagram of the structure of the male plug 110 and the female plug 130 provided by the present invention after docking; Figure 4 for Figure 2 Cross-sectional view at BB; Figure 5 for Figure 4 A partial enlarged view of point C in the middle; Figure 6 A cross-sectional view of a male plug 110 provided by the present invention; Figure 7 This is a cross-sectional view of the female plug 130 provided by the present invention.

[0042] The present invention provides an underwater wet plug connection device 100, which can achieve sealing protection for optical fiber joints before and after docking. The underwater wet plug connection device 100 includes a male plug 110 and a female plug 130. The male plug 110 includes a body 111, a plunger 112, and a first optical fiber joint 113. The body 111 is provided with a first channel 114 and a first receiving groove 115. The first channel 114 is connected to the first receiving groove 115, and the first channel 114 is blocked from the outside. The plunger 112 can be movably arranged in the first channel 114 to block or open the first receiving groove 115. The first optical fiber joint 113 is arranged in the first receiving groove 115. The female plug 130 includes a housing 131, a column 133, a sliding member 132, and a second Optical fiber joint 134; the column 133 is provided with a second receiving groove 136; the sliding member 132 is movably arranged in the housing 131 and sleeved on the column 133 to block or open the second receiving groove 136; the second optical fiber joint 134 is arranged in the second receiving groove 136; wherein, when the male plug 110 and the female plug 130 are plugged and matched, the body 111 and the sliding member 132 abut against each other, the plunger 112 and the column 133 abut against each other, and a part of the column 133 extends into the first channel 114 until the second receiving groove 136 is opposite to the first receiving groove 115, and the first optical fiber joint 113 is connected with the second optical fiber joint 134. It should be noted that the sliding member 132 is provided with a second channel 135, and the column 133 is penetrated in the second channel 135, that is, the sliding member 132 is sleeved on the column 133.

[0043] Specifically, during plug-in mating, the body 111 abuts against the inner wall of the housing 131, then approaches the sliding member 132, abuts against the sliding member 132, and the plunger 112 abuts against the column 133; under the action of external force, the sliding member 132 moves in a direction away from the body 111, so that the column 133 extends relative to the sliding member 132, and under the action of the column 133, the plunger 112 moves in a direction away from the column 133, so that it is connected with the first accommodating groove 115 and the second accommodating groove 136, thereby docking the first optical fiber docking joint 113 and the second optical fiber docking joint 134. It should be noted that the axis of the first receiving groove 115 is perpendicular to the axis of the first channel 114, and the axis of the second receiving groove 136 is perpendicular to the axis of the second channel 135. Since the axis of the first channel 114 coincides with the axis of the second channel 135, it can be understood that the axis of the first receiving groove 115 is parallel to the axis of the second receiving groove 136. Therefore, when the axis of the first receiving groove 115 coincides with the axis of the second receiving groove 136, the first receiving groove 115 is opposite to the second receiving groove 136, and the first optical fiber docking joint 113 is moved from the first receiving groove 115 to the second receiving groove 136 and docked with the second optical fiber docking joint 134.

[0044] It should be noted that, in this embodiment, before the male plug 110 and the female plug 130 are connected, the plunger 112 blocks the first channel 114, so that the first channel 114 is blocked from the outside world before the connection; the column 133 blocks the second channel 135, so that the second channel 135 is blocked from the outside world before the connection; and the end face of the plunger 112 and the end face of the body 111 are located on the same plane, and the end face of the column 133 and the end face of the sliding member 132 are located on the same plane.

[0045] The working principle of the underwater wet plug connection device 100 is as follows:

[0046] Before docking, the plunger 112 blocks the first receiving groove 115, and the sliding member 132 blocks the second receiving groove 136, thereby forming a closed space, so that the first optical fiber docking connector 113 and the second optical fiber docking connector 134 are in a sealed environment before docking, thereby preventing marine organisms from affecting the transmission effect and service life of the optical fiber docking connector before docking.

[0047] During the docking process, one end of the body 111 of the male plug 110 extends into the housing 131 and moves toward the direction of the sliding member 132, thereby abutting against the sliding member 132. At this time, the plunger 112 abuts against the column 133. Under the action of external force, the sliding member 132 moves in a direction away from the body 111, that is, the sliding member 132 moves toward the inside of the female plug 130 in its axial direction, and the plunger 112 moves in a direction away from the column 133, that is, the plunger 112 moves toward the inside of the male plug 110 in its axial direction, so that the plunger 112 opens the first receiving groove 115, and the column 133 extends into the first channel 114, so that the second receiving groove 136 moves from the second channel 135 to the first channel 114, thereby communicating with the first receiving groove 115, so that the first optical fiber docking joint 113 and the second optical fiber docking joint 134 are connected.

[0048] After the first optical fiber joint 113 and the second optical fiber joint 134 are connected, that is, after the male plug 110 and the female plug 130 are connected, the male plug 110 and the female plug 130 are locked. At this time, the first optical fiber joint 113 and the second optical fiber joint 134 are still blocked from the outside, so that the first optical fiber joint 113 and the second optical fiber joint 134 are still in a sealed environment after the male plug 110 and the female plug 130 are connected, so as to avoid the influence of seawater and marine organisms on the transmission effect and service life of the optical fiber joint after the connection.

[0049] It should be noted that the first optical fiber connector 113 and the second optical fiber connector 134 are both connected to optical fibers, so as to achieve information transmission when connected.

[0050] Further, in the embodiment of the present invention, there are multiple configurations to enable the first optical fiber joint 113 and the second optical fiber joint 134 to be connected, for example: the first optical fiber joint 113 is movably disposed in the first receiving groove 115 and has a tendency to move toward the first channel 114; or the second optical fiber joint 134 is movably disposed in the first receiving groove 115 and has a tendency to move toward the sliding member 132. In practical applications, one or two configurations can be selected to enable the first optical fiber joint 113 and the second optical fiber joint 134 to be connected.

[0051] In this embodiment, the first optical fiber connector 113 is movably disposed in the first accommodating groove 115 and has a tendency to move toward the first channel 114; the plunger 112 includes a blocking portion 116 and a supporting portion 117, and the blocking portion 116 is connected to the supporting portion 117; the diameter of the supporting portion 117 is smaller than the diameter of the blocking portion 116, and the blocking portion 116 and the first channel 114 are slidably matched; wherein, when the male plug 110 and the female plug 130 are disengaged, the blocking portion 116 blocks the first accommodating groove 115; when the male plug 110 and the female plug 130 are plugged in, the blocking portion 116 opens the first accommodating groove 115.

[0052] Specifically, before docking, the end face of the abutting portion and the end face of the body 111 are located on the same plane, and the blocking portion 116 blocks the first receiving groove 115, so that the first optical fiber joint 113 is in a sealed environment. During the docking process, the abutting portion abuts against the sliding member 132, and under the action of external force, the plunger 112 moves toward the inside of the male plug 110 in the axial direction thereof, so that the blocking portion 116 opens the first receiving groove 115, and the abutting portion 117 approaches the first receiving groove 115. Since the diameter of the cross section of the abutting portion 117 perpendicular to its extension direction is smaller than the diameter of the cross section of the blocking portion 116 perpendicular to its extension direction, a certain activity space is provided for the first optical fiber joint 113, so that it can move from the first receiving groove 115 to the first channel 114, so that when the first receiving groove 115 and the second receiving groove 136 are connected, it continues to move to the second receiving groove 136. It should be noted that when the blocking portion 116 opens the first accommodating groove 115, part of the first optical fiber docking joint 113 extends into the first channel 114, and the diameter of the cross section of the column 133 perpendicular to its extension direction is equal to the diameter of the cross section of the supporting portion 117 perpendicular to its extension direction, so that when the second accommodating groove 136 is opposite to the first accommodating groove 115, the first optical fiber docking joint 113 and the second optical fiber docking joint 134 can be smoothly docked.

[0053] Furthermore, the male plug 110 further includes a first elastic member 121, the two ends of which are respectively connected to the body 111 and the first optical fiber joint 113, and the first elastic member 121 is used to make the first optical fiber joint 113 have a tendency to move from the first receiving groove 115 to the first channel 114. Before docking, the blocking portion 116 blocks the first receiving groove 115, thereby compressing the first elastic member 121, and when the blocking portion 116 opens the first receiving groove 115, the first elastic member 121 recovers to return to the initial state, so that the first optical fiber joint 113 moves from the first receiving groove 115 to the first channel 114 under the action of the elastic force of the first elastic member 121.

[0054] In combination with the above, a first guiding slope 118 is provided at the connection between the blocking portion 116 and the abutting portion 117, wherein the first guiding slope 118 is used to connect with the first optical fiber joint 113 when the plunger 112 moves toward the column 133, and guide the first optical fiber joint 113 to move from the first channel 114 to the first receiving groove 115. The first optical fiber joint 113 is provided with a second guiding slope 119, and the second guiding slope 119 is used to contact with the first guiding slope 118. When the blocking portion 116 is to block the first receiving groove 115 again, the first guiding slope 118 and the second guiding slope 119 are used to move the first optical fiber joint 113 upward, so that it is completely returned to the first receiving groove 115, and the blocking portion 116 is prevented from abutting against the first optical fiber joint 113 during the movement, thereby preventing the blocking portion 116 from getting stuck.

[0055] The male plug 110 further includes a second elastic member 122 disposed in the first channel 114, and the second elastic member 122 is used to make the plunger 112 have a tendency to move in a direction toward the end of the body 111 that is used to abut against the sliding member 132 to block the first receiving groove 115. The female plug 130 further includes a third elastic member 137 disposed in the housing 131, and the third elastic member 137 is used to make the sliding member 132 have a tendency to move in a direction toward the end of the column 133 that is used to abut against the plunger 112 to block the second receiving groove 136.

[0056] Specifically, in this embodiment, when the male plug 110 and the female plug 130 are plugged in, the plunger 112 and the column 133 abut against each other, and under the action of external force, the plunger 112 moves in the direction of the second elastic member 122, thereby compressing the second elastic member 122; the body 111 and the sliding member 132 abut against each other, and under the action of external force, the sliding member 132 moves in the direction of the third elastic member 137, thereby compressing the third elastic member 137, until the first optical fiber docking connector 113 and the second optical fiber docking connector 134 are docked. As a result, when the male plug 110 and the female plug 130 are disassembled, the second elastic member 122 and the third elastic member 137 are released to restore to their initial state, so that the plunger 112 moves under the action of the elastic force toward the end that is used to abut against the sliding member 132 in the direction of blocking the first accommodating groove 115, that is, it moves toward the outside of the male plug 110 in the axial direction; the sliding member 132 moves under the action of the elastic force toward the end that abuts against the plunger 112 in the direction of blocking the second accommodating groove 136, that is, it moves toward the outside of the female plug 130 in the axial direction.

[0057] Further, the first channel 114 includes a first segment and a second segment, the first segment is connected to the second segment, the inner diameter of the first segment is smaller than the inner diameter of the second segment, and the first receiving groove 115 is connected to the second segment; wherein the first segment is used to cooperate with the abutting portion 117, and the second segment is used to cooperate with the blocking portion 116. A third guide slope 126 is provided at the connection between the first segment and the second segment, and the third guide slope 126 is used to cooperate with the first guide slope 118.

[0058] Specifically, before docking, the abutting portion 117 is accommodated in the first segment, and the blocking portion 116 is accommodated in the second segment; during the docking process, the abutting portion 117 moves from the first segment to the second segment; during the disassembly process, under the action of elastic force, the abutting portion 117 moves from the second segment to the first segment; it can be understood that since the diameter of the abutting portion 117 is smaller than the diameter of the blocking portion 116, the inner diameter of the first segment is smaller than the inner diameter of the second segment. It should be noted that in order to prevent the blocking portion 116 from entering the first segment from the second segment during the disassembly process, the inner diameter of the first segment is smaller than the diameter of the blocking portion 116. In addition, a third guide slope 126 is provided at the connection between the first segment and the second segment, which is used to cooperate with the first guide slope 118 to improve the sealing of the first receiving groove 115.

[0059] According to the above content, in this embodiment, a plurality of first accommodating grooves 115 are provided, each of which accommodates a first optical fiber butt joint 113, and the first accommodating grooves 115 are arranged in a circumferential array around the axis of the first channel 114; a plurality of second accommodating grooves 136 are provided, each of which accommodates a second optical fiber butt joint 134, and the plurality of first accommodating grooves 115 correspond one to one with the plurality of second accommodating grooves 136. In a specific embodiment, one or more first accommodating grooves 115 and second accommodating grooves 136 may be provided.

[0060] Furthermore, the body 111 and the housing 131 are both provided with an oil capsule 123, which is used to be filled with silicone oil. The body 111 is provided with a first balancing hole 124, which is used to connect the oil capsule 123 with the first channel 114 and the first receiving groove 115; the column 133 is provided with a second balancing hole 138, which is used to connect the oil capsule 123 with the second receiving groove 136.

[0061] Specifically, by setting up an oil bag 123 and filling it with silicone oil, the internal and external pressures of the male plug 110 and the female plug 130 are balanced, so that the male plug 110 and the female plug 130 can be used in deep water. The first balance hole 124 and the second balance hole 138 are set to allow silicone oil to enter the first channel 114, the second channel 135, the first receiving groove 115 and the second receiving groove 136 to balance the pressure inside the entire underwater wet plug connection device 100.

[0062] It should be noted that the main body 111 and the outer shell 131 are also provided with through holes so that the pressure of the external seawater can act on the oil bag 123 to balance the pressure inside and outside the male plug 110 and the female plug 130. At the same time, during the docking process of the male plug 110 and the female plug 130, part of the seawater between the outer shell 131 and the oil bag 123 will be squeezed out.

[0063] Furthermore, in the present embodiment, the male plug 110 also includes a positioning pin 125, which is connected to the body 111; the housing 131 is provided with a positioning groove 139, and when the male plug 110 and the female plug 130 are plugged in and out, the positioning pin 125 docks with the positioning groove 139, thereby achieving rapid and accurate positioning of the male plug 110 and the female plug 130, so that the first optical fiber docking connector 113 and the second optical fiber docking connector 134 can be docked smoothly, and at the same time, circumferential rotation of the male plug 110 and the female plug 130 during the docking process is avoided.

[0064] In summary, the underwater wet plug connection device 100 includes a male plug 110 and a female plug 130, the male plug 110 includes a body 111, a plunger 112 and a first optical fiber joint 113; the body 111 is provided with a first channel 114 and a first receiving groove 115, the first channel 114 and the first receiving groove 115 are connected, and the first channel 114 is blocked from the outside; the plunger 112 is movably arranged in the first channel 114 to block or open the first receiving groove 115; the first optical fiber joint 113 is arranged in the first receiving groove 115; the female plug 130 includes a housing 131, a column 133, a sliding member 132 and a first optical fiber joint 113; ... male plug 110 includes a body 111, a plunger 112 and a first optical fiber joint 113; the male plug 110 includes a body 111, a plunger 112 and a first optical fiber joint 113; the male plug 110 includes a body Two optical fiber joints 134; the column 133 is provided with a second receiving groove 136; the sliding member 132 is movably arranged in the housing 131 and sleeved on the column 133 to block or open the second receiving groove 136; the second optical fiber joint 134 is arranged in the second receiving groove 136; wherein, when the male plug 110 and the female plug 130 are plugged and matched, the body 111 and the sliding member 132 abut against each other, the plunger 112 and the column 133 abut against each other, and a part of the column 133 extends into the first channel 114 until the second receiving groove 136 is opposite to the first receiving groove 115, and the first optical fiber joint 113 is connected with the second optical fiber joint 134.

[0065] The underwater wet plug connection device 100 blocks the first receiving groove 115 by setting a plunger 112, so that the first optical fiber joint 113 is in a sealed environment before docking; the second receiving groove 136 is opened in the column 133, and the second receiving groove 136 is blocked by the sliding member 132, so that the second optical fiber joint 134 is in a sealed environment before docking. During the docking process, the first receiving groove 115 and the second receiving groove 136 can be close to each other and connected by the movement of the plunger 112 and the sliding member 132, so that the first optical fiber joint 113 and the second optical fiber joint 134 are docked, and because the column 133 partially extends into the first channel 114, the first channel 114 is blocked from the outside, and the first optical fiber joint 113 and the second optical fiber joint 134 are still in a sealed environment during the docking process. Therefore, the underwater wet plug connection device 100 can block the boundaries of the first channel 114 and the second channel 135 from the outside before and after the male plug 110 and the female plug 130 are plugged in, so that the first optical fiber connector 113 and the second optical fiber connector 134 are located in a sealed environment before and after docking, thereby preventing seawater, mud, and marine organisms from entering the receiving groove to contaminate the optical fiber connector and affecting the service life of the optical fiber connector.

[0066] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An underwater wet plug connection device, characterized in that: include: A male plug, the male plug comprising a body, a plunger and a first optical fiber joint; the body is provided with a first channel and a first receiving groove, the first channel is communicated with the first receiving groove, and the first channel is blocked from the outside; the plunger is movably arranged in the first channel to block or open the first receiving groove; the first optical fiber joint is arranged in the first receiving groove; A female plug, the female plug comprising a housing, a column, a sliding member and a second optical fiber joint; the sliding member is provided with a second passage, the column is passed through the sliding member, and the column is provided with a second receiving groove; the sliding member is movably arranged in the housing to block or open the second receiving groove; the second optical fiber joint is arranged in the second receiving groove; Wherein, when the male plug and the female plug are plugged into each other, the main body and the sliding member abut against each other, the plunger and the column abut against each other, and a portion of the column extends into the first channel until the second accommodating groove is opposite to the first accommodating groove, and the first optical fiber docking joint is docked with the second optical fiber docking joint.

2. The underwater wet plug connection device according to claim 1, characterized in that: The first optical fiber connector is movably disposed in the first accommodating groove and has a tendency to move toward the first channel; The plunger comprises a blocking portion and a resisting portion, wherein the blocking portion is connected to the resisting portion; the diameter of the resisting portion is smaller than the diameter of the blocking portion, and the blocking portion is slidably matched with the first channel; Wherein, when the male plug and the female plug are out of engagement, the blocking portion blocks the first accommodating groove; when the male plug and the female plug are plugged in engagement, the blocking portion opens the first accommodating groove.

3. The underwater wet plug connection device according to claim 2, characterized in that: The male plug further includes a first elastic member disposed in the first accommodating groove, and the first elastic member is used to make the first optical fiber joint have a tendency to move from the first accommodating groove to the first channel.

4. The underwater wet plug connection device according to claim 2, characterized in that: A first guiding inclined surface is provided at the connection between the blocking portion and the abutting portion; The first guiding slope is used to connect with the first optical fiber joint when the plunger moves toward the column, and guide the first optical fiber joint to move from the first channel to the first accommodating groove.

5. The underwater wet plug connection device according to claim 4, characterized in that: The first optical fiber joint is provided with a second guiding bevel, and the second guiding bevel is used to contact with the first guiding bevel.

6. The underwater wet plug connection device according to claim 4, characterized in that: The first channel includes a first segment and a second segment, the first segment is connected to the second segment, the inner diameter of the first segment is smaller than the inner diameter of the second segment, and the first containing groove is connected to the second segment; Wherein, the first segment is used to cooperate with the abutting portion, and the second segment is used to cooperate with the blocking portion.

7. The underwater wet plug connection device according to claim 6, characterized in that: A third guiding slope is provided at the connection between the first segment and the second segment, and the third guiding slope is used to cooperate with the first guiding slope.

8. The underwater wet plug connection device according to claim 1, characterized in that: The male plug further includes a second elastic member disposed in the first channel, and the second elastic member is used to enable the plunger to have a tendency to move in a direction toward the end of the body that is used to abut against the sliding member, so as to block the first accommodating groove.

9. The underwater wet plug connection device according to claim 1, characterized in that: The female plug further comprises a third elastic member disposed in the housing, and the third elastic member is used to make the sliding member have a tendency to move in a direction toward one end of the column abutting against the plunger to block the second accommodating groove.

Images