CN211180291U - Split type watertight optical connector - Google Patents

Abstract

The utility model discloses a split watertight optical connector, which comprises a socket and a plurality of plugs matched with the socket; the socket comprises a socket shell and a plurality of socket watertight optical cables, wherein a plurality of optical channels are arranged in the socket shell, the head of each socket watertight optical cable is hermetically fixed on one side of each optical channel, and the head of each socket watertight optical cable is provided with a socket optical contact pin; each plug comprises a plug shell and a plug watertight optical cable which is fixedly connected with the plug shell in a sealing mode, the head portion of the plug watertight optical cable is provided with a plug optical contact pin, each plug is fixedly connected with the socket shell, the plug is inserted into the other side of the corresponding optical channel to be in contact with the corresponding socket optical contact pin, and the plug shell is connected with the optical channel in a sealing mode. This split type watertight optical connector can connect a plurality of split type watertight plugs through a socket, and receiving terminal only need set up the hole of an installation socket can, therefore reduced the space and taken up, reduced the many risk hidden dangers of the link of failing that cause of trompil number under the deep water.

Description

Split type watertight optical connector

Technical Field

The utility model relates to an underwater connector technical field, more specifically say, relate to a split type watertight optical connector.

Background

With the increasing development of marine research and marine development industries in China, the integration requirements of various underwater engineering machines, operation instruments, diving assembly devices, marine oil production platforms, submarine observation networks and other underwater instruments are higher and higher, and especially, the requirements of transmitting signals from a plurality of information terminals to the same receiving terminal through optical fibers are higher and higher. The watertight optical fiber connector adopts optical signal transmission, has wide transmission frequency band, large communication capacity, small signal loss and small signal delay, and is more and more widely used in the ocean field.

With the improvement of diversity and integration of underwater instruments and equipment, multiple paths of optical signals need to be integrated on one terminal device. Especially when applied to a distributed information acquisition scenario, it is necessary to transmit optical signals of different information acquisition devices to a receiving device. The existing optical connector adopts a connection mode that plugs and sockets are in one-to-one correspondence, so that more holes are formed in the equipment, more pairs of installed optical connectors are formed, the occupied space is larger, and more links which possibly fail exist.

In summary, how to effectively solve the problems of multiple holes, large volume and the like of the integrated terminal device for satisfying the multiple paths of optical signals is a problem to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a split type watertight optical connector, which has a structural design that can effectively solve the problems of multiple openings and large volume required for integrating multiple optical signals in a terminal device.

In order to achieve the above object, the utility model provides a following technical scheme:

a split watertight optical connector comprises a socket and a plurality of plugs matched with the socket;

the socket comprises a socket shell and a plurality of socket watertight optical cables, the socket shell is used for being fixedly connected with underwater operation equipment in a sealing mode, a plurality of optical channels are arranged in the socket shell, the head of each socket watertight optical cable is fixed to one side of each optical channel in a sealing mode, and the head of each socket watertight optical cable is provided with a socket optical contact pin;

each plug comprises a plug outer shell and a plug watertight optical cable which is fixedly connected with the plug outer shell in a sealing mode, the head of the plug watertight optical cable is provided with a plug optical contact pin, each plug is fixedly connected with the socket outer shell, the plug is inserted into the other side corresponding to the optical channel, so that the plug optical contact pin is in contact with the corresponding socket optical contact pin, and the plug outer shell is connected with the optical channel in a sealing mode.

Preferably, in the split watertight optical connector, a water blocking pressure sleeve is respectively and hermetically sleeved outside each socket watertight optical cable, an end of each socket optical pin is fixedly connected with the water blocking pressure sleeve, and the water blocking pressure sleeve is hermetically connected with the optical channel.

Preferably, in the split watertight optical connector, one side of the socket housing has a mounting hole, and the other side has a plurality of insertion holes communicated with the mounting hole and used for inserting the plug, the mounting hole is internally fixed with a docking component and a water blocking component, the optical channel includes a plurality of docking through holes provided in the docking component, water blocking through holes provided in the water blocking component and corresponding to one sides of the docking through holes, and the insertion holes respectively corresponding to the other sides of the docking through holes, the socket optical pins are inserted into one sides of the docking through holes, the water blocking press sleeve is inserted into the water blocking through holes and hermetically connected to inner walls of the water blocking through holes, and the water blocking component is hermetically connected to inner walls of the mounting hole; the plug optical contact pin is inserted into the other side of the butt joint through hole.

Preferably, in the split watertight optical connector, a fastening nut is disposed on a side of the water blocking component away from the docking component, and the fastening nut is fixedly connected to the socket housing and presses the docking component and the water blocking component into the mounting hole.

Preferably, in the split watertight optical connector, a socket casting member is disposed outside the fastening nut, and the socket casting member bonds the socket watertight optical cable and the socket housing.

Preferably, in the split watertight optical connector, an annular installation groove is formed in the outer wall of the water blocking pressure sleeve, and a sealing ring is arranged in the installation groove to seal the water blocking through hole.

Preferably, in the split watertight optical connector, an annular mounting groove is formed in a position, corresponding to the water blocking component, of an inner wall of the mounting hole, and a sealing ring is arranged in the mounting groove to seal with the water blocking component.

Preferably, in the above-mentioned split type watertight optical connector, outer wall middle part of plug housing has outside convex flange, the jack includes being located with the plug the hole that flange front end size is unanimous and with the outer hole that flange size is unanimous, the hole with form the step face between the outer hole, the plug overcoat is equipped with gland nut, gland nut with socket shell fixed connection, with the flange compresses tightly, just the flange with be provided with the elastic component between the gland nut.

Preferably, in the split watertight optical connector, a plug pouring member is provided in the plug housing, and the plug housing and the plug watertight optical cable are bonded into a whole by the plug pouring member.

Preferably, in the split watertight optical connector, a vulcanization sleeve is disposed at a tail of the plug housing to connect the plug housing and the plug watertight optical cable into a whole.

Preferably, in the split watertight optical connector, an installation groove is formed in the plug housing, and the installation groove is provided with a sealing ring to seal with an inner wall of the insertion hole.

Preferably, in the split watertight optical connector, the receptacle housing and the plug housing are both metal housings.

The utility model provides a split type watertight optical connector include the socket and with a plurality of plugs of socket complex. The socket comprises a socket shell and a plurality of socket watertight optical cables, wherein the socket shell is used for being fixedly connected with underwater operation equipment in a sealing mode, a plurality of optical channels are arranged in the socket shell, the head of each socket watertight optical cable is fixed to one side of each optical channel in a sealing mode, and the head of each socket watertight optical cable is provided with a socket optical contact pin; the plug comprises a plug shell and a plug watertight optical cable, the head of the plug watertight optical cable is provided with a plug light contact pin, the plug watertight optical cable is fixedly connected with the plug shell in a sealing mode, each plug is fixedly connected with the socket shell, the plug is inserted into the other side of the corresponding light channel, so that the plug light contact pin is in contact with the corresponding socket light contact pin, and the plug shell is connected with the light channel in a sealing mode.

Use the utility model provides a split type watertight optical connector, socket shell internal seal are fixed with a plurality of socket watertight optical cables, through inserting each plug to socket shell's light tunnel one side, make the socket light contact pin contact that each plug light contact pin and light tunnel opposite side correspond, and then switch on the light return circuit. Therefore, a plurality of split type watertight plugs can be connected through a socket, and the problem that optical signals of a plurality of information terminals enter the receiving terminal on a channel of the receiving terminal is solved. The attractiveness of the appearance design of the product, the convenience of assembly and operation and the convenience of maintenance and replacement are greatly improved. And because can cooperate with a plurality of plugs through a socket, so the receiving terminal only need set up a hole of installing the socket can, therefore reduced the space and taken up. And the hidden danger of multiple failure links caused by the multiple holes opened under the large water depth is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a split watertight optical connector according to an embodiment of the present invention;

fig. 2 is a side view of the jack housing of fig. 1.

The drawings are numbered as follows:

1. the optical plug comprises a fastening nut, 2 a pressing sheet, 3 a water blocking component, 4 a socket watertight optical cable, 5 a butt joint component, 6 a socket pouring piece, 7 a socket shell, 8 an elastic piece, 9 a pressing nut, 10 a plug shell, 11 a plug watertight optical cable, 12 a plug pouring piece, 13 a vulcanizing sleeve, 14 a plug, 15 a socket, 16 a sealing ring, 17 a socket optical pin, 18 a water blocking pressing sleeve and 19 a plug optical pin. 20. And (4) inserting the jack.

Detailed Description

The embodiment of the utility model discloses split type watertight optical connector to reduce the trompil number of the integrated multichannel light signal of terminal equipment, reduce the many risk hidden dangers that fail link that lead to of trompil number is many.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, fig. 1 is a schematic cross-sectional view of a split watertight optical connector according to an embodiment of the present invention; fig. 2 is a side view of the jack housing 7 of fig. 1.

In one embodiment, the split watertight optical connector provided by the present invention comprises a socket 15 and a plurality of plugs 14 mated with the socket 15.

Wherein the socket 15 comprises a socket housing 7 and a plurality of socket watertight cables 4, the socket housing 7 is used for being fixedly connected with the underwater operation equipment in a sealing way, for example, being fixedly connected with a cabin of the underwater operation equipment in a sealing way. Specifically, the socket housing 7 includes an equipment mounting hole insertion portion inserted into the underwater operation equipment and a flange portion protruding to abut against an aperture end face of the equipment mounting hole. The insert portion may be provided with mounting grooves, for example, two mounting grooves spaced apart from each other, and a sealing ring 16 is disposed in the mounting grooves to contact and seal with the inner wall of the equipment mounting hole. According to the needs, the flange part can also be provided with a mounting groove, a sealing ring 16 is arranged in the mounting groove to be in contact sealing with the end face of the hole of the equipment mounting hole, and the socket 15 and the underwater operation equipment are longitudinally blocked by sealing in two directions, namely the outer part of the socket 15 is blocked.

The socket shell 7 is provided with a plurality of light channels, and the head of each socket watertight optical cable 4 is hermetically fixed on one side of each light channel. That is, the light channels for installing the socket watertight optical cable 4 are arranged in the socket housing 7, and the number of the specific light channels can be set according to the requirement, for example, in fig. 2, five light channels are arranged, and one side in each light channel is fixedly installed with one socket watertight optical cable 4 in a sealing manner. The other side in the optical channel is used for sealing and fixing the mounting plug 14 respectively.

The head of each socket watertight optical cable 4 is provided with a socket optical pin 17, and the socket optical pin 17 is contacted with a plug optical pin 19 of the plug 14 to realize the conduction of the whole optical circuit. For the structure of the receptacle optical pin 17 and the plug optical pin 19, please refer to the prior art, which is not described herein.

The plug 14 comprises a plug outer shell 10 and a plug watertight optical cable 11, the plug watertight optical cable 11 is fixedly connected with the plug outer shell 10 in a sealing mode, and the head portion of the plug watertight optical cable 11 is provided with a plug optical pin 19. Each plug 14 is inserted into the other side of the corresponding optical channel with the plug optical pin 19 in contact with the corresponding receptacle optical pin 17. And each plug 14 is fixedly connected with the socket shell 7 to ensure the reliable contact of the plug optical pin 19 and the socket optical pin 17. The plug shell 10 is connected with the optical channel in a sealing mode, the plug watertight optical cable 11 is connected with the plug shell 10 in a sealing mode, and the head of the socket watertight optical cable 4 is connected with the optical channel in a sealing mode, so that longitudinal water blocking inside the plug 14 and the socket 15 is achieved, and underwater application can be achieved.

Use the utility model provides a split type watertight optical connector, socket shell 7 internal seal are fixed with a plurality of socket watertight optical cables 4, insert each plug 14 to socket shell 7's light tunnel one side, make the socket light contact pin 17 contact that each plug light contact pin 19 and light tunnel opposite side correspond, and then switch on the light return circuit. Therefore, a plurality of split watertight plugs 14 can be connected through one socket 15, and the problem that optical signals of a plurality of information terminals are integrated on one channel of the receiving terminal and enter the interior of the receiving terminal is solved. The attractiveness of the appearance design of the product, the convenience of assembly and operation and the convenience of maintenance and replacement are greatly improved. And because can cooperate with a plurality of plugs 14 through a socket 15, so the receiving terminal only needs to set up a hole to install socket 15, thus has reduced the space occupation. And the hidden danger of multiple failure links caused by the multiple holes opened under the large water depth is reduced.

Furthermore, a water-blocking pressure sleeve 18 is respectively sleeved outside each socket watertight optical cable 4 in a sealing manner, the end part of each socket optical pin 17 is fixedly connected with the water-blocking pressure sleeve 18, and the water-blocking pressure sleeve 18 is connected with the optical channel in a sealing manner. Specifically, the water-blocking pressure sleeve 18 is sleeved into the socket watertight optical cable 4, the socket optical pin 17 is manufactured at the end part of the socket watertight optical cable 4, and the socket optical pin 17 and the water-blocking pressure sleeve 18 are bonded and fixed together after grinding detection is finished, so that the optical unit is formed integrally. The sealing between the socket watertight optical cable 4 and the socket shell 7 is facilitated by the arrangement of the water-blocking pressure sleeve 18.

Furthermore, one side of the socket housing 7 has a mounting hole, and the other side has a plurality of insertion holes 20 communicated with the mounting hole for inserting the plug 14, the mounting hole is internally fixed with the docking component 5 and the water blocking component 3, and the optical channel includes a plurality of docking through holes provided in the docking component 5, water blocking through holes provided in the water blocking component 3 and corresponding to one side of the docking through holes, and insertion holes 20 respectively corresponding to the other side of the docking through holes. Namely, the mounting hole on one side in the socket housing 7 is used for sealing and fixing the socket watertight optical cable 4, and the plurality of jacks 20 on the other side are respectively used for inserting the plugs 14. The butt joint component 5 and the water blocking component 3 are fixedly installed in the installation hole, and the water blocking component 3 is positioned on one side of the butt joint component far away from the jack 20. The butt joint part 5 is provided with a plurality of butt joint through holes, the water blocking part 3 is provided with a plurality of water blocking through holes, and the water blocking through holes, the butt joint through holes and the jacks 20 are respectively arranged in a one-to-one correspondence mode. That is, one end of each water blocking through hole is connected with the corresponding butt joint through hole, and the other end is communicated with the corresponding jack 20. The optical channel comprises a water blocking through hole, a butt joint through hole and a jack 20 which are sequentially communicated. The docking component 5 and the water blocking component 3 are correspondingly shaped according to the shape of the mounting hole. If the mounting hole is a circular hole, the water-blocking component 3 can be a water-blocking circular plate, and the docking assembly can be a docking circular plate. It should be noted that the docking component 5 and the water blocking component 3 may be two split components, which are respectively installed in the installation hole, and the docking component 5 is located on one side of the water blocking component 3 away from the insertion hole 20. The docking component 5 and the water blocking component 3 may also be of integral construction, as required.

And the optical units are respectively inserted into the water blocking through hole and the butt joint through hole to form an optical channel assembly. Specifically, the receptacle optical pin 17 is inserted into one side of the docking through hole, the plug optical pin 19 is inserted into the other side of the docking through hole to be in contact with the receptacle optical pin 17 for conduction, i.e. the receptacle optical pin 19 and the receptacle optical pin 17 are aligned and contacted in the docking component 5, and then the corresponding optical circuit is conducted. The water-blocking pressing sleeve 18 is inserted into the water-blocking through hole and is hermetically connected with the inner wall of the water-blocking through hole, and the water-blocking component 3 is hermetically connected with the socket shell 7. Through the sealing connection of the water blocking pressure sleeve 18 and the inner wall of the water blocking through hole and the sealing connection of the water blocking component 3 and the inner wall of the mounting hole, the sealing of the water blocking pressure sleeve 18 and the water blocking component 3, the sealing of the water blocking component 3 and the socket shell 7 are realized, and further the longitudinal sealing of the interior of the socket shell 7 is realized. Through the structure, the assembly of each part of the socket 15 is convenient, and the sealing reliability is high.

The water blocking component 3 and the butt joint component 5 are fixedly connected with the socket shell 7, specifically, a fastening nut 1 can be arranged on one side of the water blocking component 3, which is far away from the butt joint component 5, and the fastening nut 1 is fixedly connected with the socket shell 7 and tightly presses the butt joint component 5 and the water blocking component 3 in the mounting hole. The fastening of the internal parts of the mounting hole is realized through the fastening nut 1, the mounting is convenient, and the fixing is reliable. Specifically, a pressing sheet 2 is arranged between the fastening nut 1 and the water blocking component 3. Of course, the fastening nut 1 and the pressing sheet 2 should be provided with holes for the socket watertight optical cable 4 to pass through. When the optical channel module is installed, the optical channel module is integrally inserted into the corresponding key position of the socket shell 7, the pressing sheet 2 is installed in the socket shell 7, and the pressing sheet 2 and the front optical channel module are tightly pressed by using the fastening nut 1.

The water blocking pressure sleeve 18 is connected with the inner wall of the water blocking through hole in a sealing mode, specifically, an annular mounting groove is formed in the outer wall of the water blocking pressure sleeve 18, and a sealing ring 16 is arranged in the mounting groove to be sealed with the water blocking through hole. Namely, the outer wall of the water-blocking pressing sleeve 18 is provided with at least one circle of mounting grooves, the sealing ring 16 is mounted in the mounting grooves, and when the water-blocking pressing sleeve 18 is inserted into the water-blocking through hole, the sealing ring 16 is extruded between the water-blocking pressing sleeve 18 and the water-blocking component 3 to realize the longitudinal sealing of the water-blocking pressing sleeve 18 and the water-blocking component 3.

The water blocking component 3 is connected with the inner wall of the mounting hole in a sealing manner, specifically, an annular mounting groove is formed in the position, corresponding to the water blocking component 3, of the inner wall of the mounting hole, and a sealing ring 16 is arranged in the mounting groove to seal with the water blocking component 3. That is, the inner wall of the mounting hole is provided with at least one circle of mounting groove, the sealing ring 16 is mounted in the mounting groove, and when the water blocking component 3 is inserted into the mounting hole, the sealing ring 16 is squeezed between the water blocking component 3 and the socket shell 7 to realize the longitudinal sealing of the two.

Specifically, the outer wall of the water blocking pressure sleeve 18 can be provided with two mounting grooves, the inner wall of the mounting hole is provided with two mounting grooves, and the longitudinal sealing inside the socket shell 7 is formed through the sealing of the two mounting grooves.

In order to further improve the sealing reliability, a socket casting 6 is arranged outside the fastening nut 1, and the socket casting 6 bonds the socket watertight optical cable 4 with the socket shell 7. That is, socket insert 6 is provided on the side of fastening nut 1 remote from water blocking component 3. Socket pouring member 6 can effectively bond socket shell 7 and socket watertight optical cable 4, has strengthened fastening and the effect that blocks water. And when socket shell 7 is the metal casing, socket pouring member 6 has the ability of bonding metal and rubber to guarantee sealed effect.

On the basis of the above embodiments, the plug housing 10 has a flange in the middle of its outer wall, the jack 20 includes an inner hole of a size consistent with that of the plug 14 at the front end of the flange and an outer hole of a size consistent with that of the flange, a step surface is formed between the inner hole and the outer hole, the plug 14 is externally provided with a compression nut 9, the compression nut 9 is fixedly connected with the socket housing 7 to compress the flange, and an elastic member 8 is arranged between the flange and the compression nut 9. A step surface is formed between an inner hole and an outer hole of the jack 20, the plug optical pin 19 is inserted into the other side of the optical channel, the plug shell 10 is inserted into the jack 20, and is fixedly connected with the socket shell 7 through the compression nut 9, and the elastic piece 8 is extruded to act on the flange to compress the flange, so that the plug optical pin 19 is in contact conduction with the socket optical pin 17. By means of the spring element 8, the plug 14 can be displaced in the longitudinal direction relative to the light channel, and in the case of the docking member 5, the plug light assembly can be displaced relative to the docking member 5. By using a separate floating alignment structure, variations due to manufacturing and assembly errors can be adjusted to control insertion loss within a specified range. The provision of the flange, on the one hand, facilitates the mounting of the elastic element 8 and, on the other hand, the abutment of the flange against the step surface limits the extreme position of insertion of the plug 14.

The elastic member 8 may be a spring, and other conventional elastic material members and structural members may be used as required.

Further, a plug potting 12 is provided within the plug housing 10, the plug potting 12 bonding the plug housing 10 and the plug watertight optical cable 11 together. The plug pouring piece 12 can effectively bond and fix the plug outer shell 10, the plug watertight optical cable 11 and the plug optical contact pin 19 into a whole, and the fastening and water blocking effects are enhanced. And the plug housing 10 is a metal housing, the plug casting 12 has the ability to bond metal and rubber to ensure a sealing effect.

In the above embodiments, the plug housing 10 is provided with a vulcanized sleeve 13 at the rear portion thereof, as required, so as to connect the plug housing 10 and the plug watertight cable 11 together. The plug outer shell 10 and the plug watertight optical cable 11 are vulcanized into a whole by the vulcanizing sleeve 13, and water blocking of the part is realized together with the plug pouring piece 12, so that the water blocking reliability is further ensured.

In the above embodiments, the plug housing 10 is formed with a mounting groove, and the sealing ring 16 is disposed in the mounting groove to seal with the inner wall of the insertion hole 20. That is, the outer wall of the plug housing 10 is provided with at least one circle of mounting grooves, the sealing ring 16 is mounted in the mounting grooves, and when the plug 14 is inserted into the jack 20, the transversely mounted sealing ring 16 is pressed between the plug 14 and the socket housing 7 to realize the longitudinal sealing of the plug 14 and the socket housing.

On the basis of the above embodiments, the socket housing 7 and the plug housing 10 are both metal housings, specifically, the socket housing 7 and the plug housing 10 may be made of stainless steel, such as 316L stainless steel, and may also be made of other metals resistant to seawater corrosion, such as aluminum alloy, titanium alloy, etc., which are anodized on the surface, as required, the fastening nut 1, the pressing sheet 2, the water blocking component 3, the docking component 5, the pressing nut 9, and the water blocking pressing sleeve 18, may also be made of stainless steel, such as 316L stainless steel, and may also be made of other metals resistant to seawater corrosion, such as aluminum alloy, titanium alloy, etc., which are anodized on the surface, as required, and the metal structures are used to transmit signals through optical fibers, thereby protecting the signals through metal structures, not easily aging, having high mechanical strength, high signal transmission band cost, large communication capacity, small signal loss, not easily being interfered by electromagnetic waves, and having irreplaceable effects on deep sea environment, providing more reliable and higher performance for the application of related industries, and having more economic benefits.

It should be noted that the thickness of the sealing ring 16 disposed in the mounting groove in the above embodiments should be larger than the depth of the mounting groove, so that the sealing ring 16 is squeezed to achieve effective sealing. If necessary, the sealing between the components may be performed by other conventional sealing means such as labyrinth sealing, and is not limited to the sealing ring 16. But the sealing structure of the sealing ring 16 is simple, and the integral matching can realize the application of 3000 meters underwater.

In the above embodiments, the specific number of the optical channels may be set as required, and the plugs 14 are set corresponding to the optical channels. Each plug 14 acts as a split, on each of which there may be a single optical fibre, which is for a single core optical cable. The socket watertight optical cables 4 in each channel also correspond to one optical fiber. The split watertight optical connector can also be applied to multi-core optical cables, namely, the number of optical fiber loops is correspondingly increased on each split, the plug 14 adopts the corresponding multi-core optical cable, and the socket 15 also adopts the corresponding multi-core optical cable. The number of split can also be increased or decreased. The calculation results and trade-offs between water depth, opening size and bulkhead thickness are applied according to actual system requirements. Specifically, the number of the split parts can be 2-96, and the number of cores on each split part can be 1-8 cores.

To sum up, the utility model provides a split type watertight optical connector through an intensive formula socket 15, connects a plurality of split type watertight plugs 14, has solved a plurality of information terminal's the integrated problem that gets into the inside of receiving terminal on a passageway of receiving terminal of light signal. The attractiveness of the appearance design of the product, the convenience of assembly and operation and the convenience of maintenance and replacement are greatly improved. The split watertight optical connector solves the problems that the number of cabin openings needed by a plurality of pairs of optical connectors is large and the occupied space is large, and reduces the risk potential that the number of openings under a large water depth is large and the failure links are large. The economical efficiency of product processing and the safety of the product are obviously improved. Has a key effect on the development and technical progress of related industries, and obtains obvious economic and social benefits.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (12)

1. A split watertight optical connector comprises a socket and a plurality of plugs matched with the socket;

the socket comprises a socket shell and a plurality of socket watertight optical cables, the socket shell is used for being fixedly connected with underwater operation equipment in a sealing mode, a plurality of optical channels are arranged in the socket shell, the head of each socket watertight optical cable is fixed to one side of each optical channel in a sealing mode, and the head of each socket watertight optical cable is provided with a socket optical contact pin;

each plug comprises a plug outer shell and a plug watertight optical cable which is fixedly connected with the plug outer shell in a sealing mode, the head of the plug watertight optical cable is provided with a plug optical contact pin, each plug is fixedly connected with the socket outer shell, the plug is inserted into the other side corresponding to the optical channel, so that the plug optical contact pin is in contact with the corresponding socket optical contact pin, and the plug outer shell is connected with the optical channel in a sealing mode.

2. The split watertight optical connector according to claim 1, wherein a water blocking pressing sleeve is respectively and hermetically sleeved outside each socket watertight optical cable, an end of each socket optical pin is fixedly connected with the water blocking pressing sleeve, and the water blocking pressing sleeve is hermetically connected with the optical channel.

3. The split watertight optical connector according to claim 2, wherein one side of the socket housing has a mounting hole, and the other side has a plurality of insertion holes communicated with the mounting hole for inserting the plug, the mounting hole is internally fixed with a docking component and a water blocking component, the optical channel includes a plurality of docking through holes provided in the docking component, water blocking through holes provided in the water blocking component and respectively corresponding to one side of each of the docking through holes, and the insertion holes respectively corresponding to the other side of each of the docking through holes, the socket optical pins are inserted into one side of the docking through holes, the water blocking press sleeves are inserted into the water blocking through holes and are hermetically connected with inner walls of the water blocking through holes, and the water blocking component is hermetically connected with inner walls of the mounting hole; the plug optical contact pin is inserted into the other side of the butt joint through hole.

4. The split watertight optical connector according to claim 3, wherein a fastening nut is disposed on a side of the water blocking component away from the docking component, and the fastening nut is fixedly connected to the socket housing and presses the docking component and the water blocking component into the mounting hole.

5. The split watertight optical connector of claim 4, wherein the locking nut is externally provided with a socket casting that bonds the socket watertight optical cable to the socket housing.

6. The split watertight optical connector according to claim 3, wherein an annular mounting groove is formed in an outer wall of the water blocking pressing sleeve, and a sealing ring is disposed in the mounting groove to seal with the water blocking through hole.

7. The split watertight optical connector according to claim 3, wherein an annular mounting groove is formed in an inner wall of the mounting hole corresponding to the water blocking component, and a sealing ring is disposed in the mounting groove to seal with the water blocking component.

8. The split watertight optical connector according to any one of claims 3 to 7, wherein a flange is provided in a middle portion of an outer wall of the plug housing, the insertion hole includes an inner hole and an outer hole, the inner hole is identical in size to a front end of the flange of the plug, the outer hole is identical in size to the flange, a step surface is formed between the inner hole and the outer hole, the plug is sleeved with a compression nut, the compression nut is fixedly connected to the socket housing so as to compress the flange, and an elastic member is provided between the flange and the compression nut.

9. The split watertight optical connector of claim 8, wherein the plug housing has a plug potting therein, the plug potting bonding the plug housing and the plug watertight optical cable together.

10. The split watertight optical connector of claim 9, wherein a tail portion of the plug housing is provided with a vulcanized sleeve to integrally connect the plug housing and the plug watertight optical cable.

11. The split watertight optical connector according to claim 8, wherein a mounting groove is formed on the plug housing, and the mounting groove is provided with a sealing ring to seal with an inner wall of the insertion hole.

12. The split watertight optical connector according to any one of claims 1 to 7, wherein the receptacle housing and the plug housing are both metal housings.

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