CN108802911B

CN108802911B - Connecting device

Info

Publication number: CN108802911B
Application number: CN201710305431.2A
Authority: CN
Inventors: 薛济萍; 吴金峰; 杨华勇; 谢书鸿; 郭朝阳; 耿敏敏; 朱宗军; 蔡卫兵
Original assignee: Zhongtian Technology Marine Systems Co ltd; Jiangsu Zhongtian Technology Co Ltd
Current assignee: Zhongtian Technology Marine Systems Co ltd
Priority date: 2017-05-03
Filing date: 2017-05-03
Publication date: 2020-12-11
Anticipated expiration: 2037-05-03
Also published as: CN108802911A

Abstract

The invention provides a connecting device which comprises a first reinforcing member, a second reinforcing member and a connecting assembly, wherein the first reinforcing member is arranged at one end of the connecting assembly, the second reinforcing member is arranged at the other end of the connecting assembly, the connecting assembly comprises a first fixing assembly, a second fixing assembly and a sealing assembly, the first fixing assembly is connected to the first reinforcing member, the second fixing assembly is connected to the second reinforcing member, and the sealing assembly is arranged between the first fixing assembly and the second fixing assembly. The connecting device can realize quick connection and optical coupling of the array cable and the optical cable, has good light guide effect after connection, and has simple connection operation and high connection success rate.

Description

Connecting device

Technical Field

The invention relates to the field of optical fiber communication, in particular to a connecting device.

Background

The connection of optical fibers in communication networks has extremely high requirements, especially for submarine or underwater optical fibers, which require good connectivity to be maintained at the sea or under water. The array cable is used as one of optical fiber cables and is widely applied to the aspects of submarine resource development, underwater submarine detection and the like. However, due to the high cost of the array cable, the array cable is usually laid in a detection area, a common submarine optical cable is laid in a non-detection area, and then the array cable and the common submarine optical cable are connected through a connecting device to realize communication.

Since the array cable and the optical cable need to be connected with each other at the boundary of the detection area and the non-detection area, and the detection area and the non-detection area have severe environments, a connection device capable of maintaining good connection sealing performance in a severe submarine or underwater environment needs to be developed to realize the connection of the array cable and the common submarine optical cable. Present connecting device not only installs inconveniently, and is consuming time longer, can't realize the high-speed joint, when the depth of water exceeded 500 meters moreover, and sealing performance is not enough.

Disclosure of Invention

In view of the above, it is necessary to provide a connection device which can achieve connection of cables and has good sealing performance.

The invention provides a connecting device, which comprises a first reinforcing part, a second reinforcing part and a connecting component, wherein one end of the connecting component is provided with the first reinforcing part, the other end of the connecting component is provided with the second reinforcing part, the connecting component comprises a first fixing component, a second fixing component and a sealing component, the first fixing component is connected with the first reinforcing part, the second fixing component is connected with the second reinforcing part, the sealing component is arranged between the first fixing component and the second fixing component, the second fixing component comprises an armor fixing component and a cable core fixing component, the armor fixing component is connected with the sealing component, the cable core fixing component is arranged in the armor fixing component, the first fixing component comprises a first sealing seat, a first inner cone, a first outer cone, a connector and a positioning pin, the first inner cone and the first outer cone are both accommodated in the first sealing seat, the first inner cone is accommodated in the first outer cone, the first sealing seat is connected to the sealing assembly, the connector is accommodated in the first inner cone, the connector is connected to the first sealing seat, a wedge-shaped groove is formed in the middle of the connector, a plurality of pin holes are radially formed in one end, away from the first outer cone, of the first inner cone, one end of the positioning pin is wedge-shaped, the positioning pin is embedded into the pin holes radially formed in the first inner cone and clamped into the wedge-shaped groove formed in the connector, and the first reinforcing member and the second reinforcing member are small in two ends and large in middle.

Furthermore, the first fixing assembly comprises a first bearing piece, one end of the first bearing piece wraps the first sealing seat, and the other end of the first bearing piece is connected with the sealing assembly.

Furthermore, the armor fixing part comprises a second sealing seat, the second sealing seat is connected with the sealing assembly, an accommodating cavity is formed in the center of the second sealing seat, and the cable core fixing part is arranged in the accommodating cavity.

Furthermore, the armor fixing part comprises a second inner cone, a middle cone and a second outer cone, the second inner cone, the middle cone and the second outer cone are all arranged in the second sealing seat, the second inner cone is installed in the middle cone, and the middle cone is installed in the second outer cone.

Furthermore, the armor fixing part also comprises a second force-bearing part, the second force-bearing part wraps one end of the second sealing seat provided with the second inner cone, and the second force-bearing part is sleeved with the second inner cone, the middle cone and the second outer cone.

Further, the cable core fixing piece is fixed in the second seal receptacle, the cable core fixing piece includes support ring, sealing washer and clamping ring, the sealing washer install in between support ring and the clamping ring, support ring and clamping ring press from both sides tightly and fix the sealing washer.

Further, the cable core fixing part further comprises a locking shaft, the locking shaft is arranged at one end, far away from the support ring, of the pressing ring, and the locking shaft is connected with and tightly pressed against the pressing ring.

Further, the cable core fixing piece further comprises a bushing, and the bushing is arranged in the cavity of the pressing ring, which is far away from the second sealing seat.

Furthermore, the sealing assembly comprises a sealing cylinder and a fiber storage disc, the fiber storage disc is arranged at the approximate center of the sealing cylinder, one end of the sealing cylinder is connected with the first force bearing part, the other end of the sealing cylinder is connected with the second force bearing part, one end of the fiber storage disc is connected with the first sealing seat, and the other end of the fiber storage disc is connected with the second sealing seat and the cable core fixing part.

The connecting device can realize quick connection and optical coupling of the array cable and the optical cable, has good light guide effect after connection, and has simple connection operation and high connection success rate.

Drawings

Fig. 1 is a perspective view of a connecting device according to an embodiment of the invention.

FIG. 2 is a cross-sectional view of the connecting device along line II-II in one embodiment of the present invention.

FIG. 3 is a cross-sectional view of the first stiffener along line II-II according to an embodiment of the present disclosure.

FIG. 4 is a cross-sectional view of a second stiffener taken along line II-II according to one embodiment of the present disclosure.

FIG. 5 is a cross-sectional view of a connecting assembly along line II-II in an embodiment of the present invention.

FIG. 6 is a cross-sectional view of the first fastening assembly along line II-II in an embodiment of the present invention.

FIG. 7 is a cross-sectional view of the first seal retainer taken along line II-II according to an embodiment of the present invention.

FIG. 8 is a cross-sectional view of the first outer cone, the first inner cone, the connector and the locating pin taken along line II-II in one embodiment of the present invention.

Fig. 9 is a cross-sectional view of the first messenger along line II-II in an embodiment of the invention.

FIG. 10 is a cross-sectional view of a second fastening assembly along line II-II in accordance with an embodiment of the present invention.

FIG. 11 is a cross-sectional view of the second seal retainer taken along line II-II in an embodiment of the present invention.

FIG. 12 is a cross-sectional view of the second inner cone, the intermediate cone, and the second outer cone along line II-II in an embodiment of the present invention.

Fig. 13 is a cross-sectional view of the second messenger along line II-II in an embodiment of the invention.

Figure 14 is a schematic cross-sectional view of the cable core holder taken along line II-II in an embodiment of the present invention.

FIG. 15 is a schematic cross-sectional view of a seal assembly taken along line II-II in an embodiment of the present invention.

Description of the main elements

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is said to be "tessellated" into another component, it may be tessellated directly into the other component or intervening components may be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and fig. 2 together, fig. 1 is a perspective view of a connecting device 100 according to an embodiment of the invention, and fig. 2 is a cross-sectional view of the connecting device 100 along line II-II according to an embodiment of the invention. Connecting device 100 can realize the optical coupling of two optical transmission cables, connecting device 100 includes first reinforcement 1, second reinforcement 2 and coupling assembling 3, first reinforcement 1 and second reinforcement 2 are installed the both ends of coupling assembling 3, first reinforcement 1 and second reinforcement 2 are used for protecting the cable. In this embodiment, the connection device 100 is used to connect an array cable 4 and an optical cable 5, the first strength member 1 is used to protect the array cable 4, and the second strength member 2 is used to protect the optical cable 5. In other embodiments, the connection device 100 may be used to connect other cables, and is not limited to use in marine environments.

Referring to fig. 3, fig. 3 is a schematic cross-sectional view of the first stiffener 1 along line II-II according to an embodiment of the present invention. The two ends of the first reinforcing part 1 are small and the middle is large, the first reinforcing part 1 comprises two ends, namely a reinforcing part first end 11 and a reinforcing part second end 12 opposite to the reinforcing part first end 11, and the end face diameter of the reinforcing part first end 11 is larger than that of the reinforcing part second end 12. The first reinforcing member 1 is provided with a first accommodating cavity 13 in an axial penetrating manner, a central axis of the first accommodating cavity 13 is approximately overlapped with a central axis of the first reinforcing member 1, and the first accommodating cavity 13 is used for accommodating the array cable 4. Still install first beaded finish 14 on the first end 11 of reinforcement, first beaded finish 14 is hollow cylindrical roughly, the terminal surface diameter that first beaded finish 14 is close to the first end 11 of reinforcement is greater than the terminal surface diameter of the other end, first beaded finish 14 inlay in first holding is close to in the chamber 13 in the cavity of the first end 11 of reinforcement, the one end facial make-up that first beaded finish 14 terminal surface diameter is less is equipped with hem 141, first beaded finish 14 is used for increasing the intensity of first reinforcement 1. The first end 11 of the reinforcing member is provided with four through holes 111 along the radial direction, the four through holes 111 are uniformly arranged along the circumferential direction, and the first reinforcing ring 14 is provided with four through holes 142 along the radial direction at positions corresponding to the through holes 111. The first reinforcing member 1 is used for protecting the array cable 4, so that the bending resistance of the array cable 4 in a suspended section is improved, and the suspended array cable 4 is prevented from being excessively bent under hydrodynamic force.

Referring to fig. 4, fig. 4 is a schematic cross-sectional view of the second stiffener 2 along line II-II according to an embodiment of the present invention. The structure of the second reinforcing member 2 is the same as that of the first reinforcing member 1, a second reinforcing ring 24 is installed on the second reinforcing member 2, four through holes 211 are also formed in positions, corresponding to the four through holes 111, on the second reinforcing member 2, the through holes 211 are uniformly distributed along the circumferential direction, four through holes 241 are also formed in positions, corresponding to the four through holes 211, of the second reinforcing ring 24, and the through holes 241 are uniformly distributed along the circumferential direction. The second reinforcing member 2 is used for protecting the optical cable 5, improving the bending resistance of the optical cable 5 in a suspended section, and avoiding excessive bending of the suspended optical cable 5 under hydrodynamic force.

It is to be understood that the number of the through

holes

111, 211, and 241 is not limited to four in the present embodiment, and may be other numbers.

Referring to fig. 5, fig. 5 is a schematic cross-sectional view of the connecting element 3 along line II-II according to an embodiment of the invention. The connecting assembly 3 includes a first fixing assembly 31, a second fixing assembly 32 and a sealing assembly 35. The sealing component 35 is installed between the first fixing component 31 and the second fixing component 32, the first fixing component 31 is used for fixing the array cable 4, the second fixing component 32 is used for fixing the optical cable 5, and the sealing component 35 is used for connecting and sealing the first fixing component 31 and the second fixing component 32.

Referring to fig. 6 again, fig. 6 is a schematic cross-sectional view of the first fixing assembly 31 along line II-II according to an embodiment of the present invention, in which the first fixing assembly 31 includes a first sealing seat 311, a first outer cone 312, a first inner cone 313, a joint 314, a positioning pin 315, and a first force-bearing member 316. The respective components of the first fixing assembly 31 will be described in detail below.

Referring to fig. 7, fig. 7 is a schematic cross-sectional view of the first seal seat 311 along the line II-II according to an embodiment of the invention. The first seal holder 311 has a substantially hollow cylindrical shape, the first seal holder 311 includes a first seal portion 3111 and a second seal portion 3112 opposite to the first seal portion 3111, and an end surface diameter of the first seal portion 3111 is larger than an end surface diameter of the second seal portion 3112. Through-hole 3113 is evenly seted up along its radial in the position that corresponds through-hole 111 among first reinforcement 1 on first seal 3111, through-hole 3113 evenly arranges along circumference, the quantity of through-hole 3313 with the quantity of through-hole 111 keeps unanimous, first seal 3111 is close to still set up external screw thread 3114 on the outer wall of second seal 3112, still set up internal thread 3115 on the inner wall of first seal 3111, set up a plurality of seal groove 3116 on the lateral wall of second seal 3112, still set up a plurality of screw hole 3117 on the terminal surface of second seal 3112.

The first sealing portion 3111 is accommodated in the first accommodating cavity 13 of the first reinforcing member 1, and the through hole 3113, the through hole 111, the through hole 142 and a positioning pin (not shown) are mutually matched to fix the relative positions of the first sealing seat 311 and the first reinforcing member 1, so as to realize the fastening connection of the first sealing seat 311 and the first reinforcing member 1.

Referring to fig. 8, fig. 8 is a cross-sectional view of the first outer cone 312, the first inner cone 313, the joint 314 and the positioning pin 315 along the line II-II according to an embodiment of the present invention. The first outer cone 312, the first inner cone 313, the joint 314 and the positioning pin 315 are all accommodated in the first sealing seat 311, the first outer cone 312 is installed between the first sealing seat 311 and the first inner cone 313, the joint 314 is accommodated in the first inner cone 313, and the positioning pin 315 is embedded in the first inner cone 313.

The inner side surface 3122 of the first outer cone 312 is substantially conical, and the outer wall of the first outer cone 312 is provided with an external thread 3121. The external thread 3121 on the first outer cone 312 and the internal thread 3115 formed on the inner wall of the first sealing seat 311 are matched with each other, so that the first outer cone 312 can be screwed into the first sealing seat 311 to fix the relative positions of the first sealing seat 311 and the first outer cone 312, and the first sealing seat 311 and the first outer cone 312 are tightly connected.

The outer side 3131 of the first inner cone 313 is generally conical, and the outer side 3131 of the first inner cone 313 and the inner side 3122 of the first outer cone 312 are generally parallel. The end of the first inner cone 313 remote from the first outer cone 312 is radially provided with a plurality of pin holes (not numbered), and the first inner cone 313 is received in the first outer cone 312.

The joint 314 is used for leading out the cable core 42 of the array cable 4, a plurality of sealing grooves 3141 are formed in the end part, far away from the first outer cone 312, of the joint 314, and a wedge-shaped groove 3142 is further formed in the middle of the joint 314.

One end of the positioning pin 315 is wedge-shaped, the positioning pin 315 is inserted into a pin hole (not numbered) radially formed in the first inner cone 313 and is clamped into the wedge-shaped groove 3142 of the joint 314, and the positioning pin 315 is used for fixing the relative position of the first inner cone 313 and the joint 314.

Referring to fig. 9, fig. 9 is a schematic cross-sectional view of the first force-bearing member 316 along the line II-II according to an embodiment of the present invention, the first force-bearing member 316 is substantially hollow and cylindrical, and the first force-bearing member 316 is used for bearing a pulling force when the array cable 4 is connected. An inner thread 3161 is formed on the inner wall of the first force bearing member 316, the inner thread 3161 formed on the first force bearing member 316 is matched with an outer thread 3114 formed on the first sealing seat 311, so that the first force bearing member 316 covers the first sealing seat 311, the relative positions of the first sealing seat 311 and the first force bearing member 316 are fixed, and the first sealing seat 311 and the first force bearing member 316 are tightly connected.

Referring to fig. 6, when the array cable 4 is fixed by the first fixing assembly 31, the outer side surface 3131 of the first inner cone 313 and the inner side surface 3122 of the first outer cone 312 are matched with each other to clamp the armor steel wire layer 41 of the array cable 4, the joint 314 is used to lead out the cable core 42 of the array cable 4, and the first force-bearing member 316 is used to bear the tensile force of the array cable 4 during connection.

Referring to fig. 10, fig. 10 is a schematic sectional view of the second fixing assembly 32 along the line II-II according to an embodiment of the present invention, in which the second fixing assembly 32 includes an armor fixing member 33 and a cable core fixing member 34, the cable core fixing member 34 is installed in the armor fixing member 33, the armor fixing member 33 is used for fixing the first armor steel wire layer 51 and the second armor steel wire layer 52 of the optical cable 5, and the cable core fixing member 34 is used for fixing the cable core 53 of the optical cable 5.

The armored fixing member 33 includes a second sealing seat 331, a second inner cone 333, a middle cone 334, a second outer cone 335, and a second force-bearing member 336, wherein one end of the second sealing seat 331 accommodates the second inner cone 333, the middle cone 334, and the second outer cone 335, and the second force-bearing member 336 is installed on a side wall of one end of the second sealing seat 331.

Referring to fig. 11, fig. 11 is a schematic cross-sectional view of the second seal seat 331 along the line II-II according to an embodiment of the invention. The second sealing seat 331 includes two ends, namely a first sealing portion 3311 and a second sealing portion 3312 opposite to the first sealing portion 3311, wherein the first sealing portion 3311 is substantially hollow and cylindrical, the second sealing portion 3312 is substantially thin-walled and cylindrical, and the second sealing portion 3312 is configured to accommodate the second inner cone 333, the middle cone 334, and the second outer cone 335.

A second accommodation chamber 332 is formed through a substantially central portion of the first sealing portion 3311 in the axial direction. The central axis of the second accommodating chamber 332 substantially coincides with the central axis of the second seal seat 331, and the second accommodating chamber 332 includes four portions, namely, a first accommodating chamber portion 3321, a second accommodating chamber portion 3322, a third accommodating chamber portion 3323, and a fourth accommodating chamber portion 3324. The diameter of the third portion 3323 of the second receiving chamber is smaller than the diameter of the second portion 3322 of the second receiving chamber and the diameter of the fourth portion 3324 of the second receiving chamber, and thus a first protrusion 3313 is formed between the second portion 3322 of the second receiving chamber and the fourth portion 3324 of the second receiving chamber.

Offer a plurality of seal grooves 3315 on the outer wall of first airtight portion 3311, offer a plurality of screw holes 3316 on the terminal surface of first airtight portion 3311, internal thread 3317 has been offered on the medial surface of second airtight portion 3312, the airtight portion 3312 of second offer with the second holds the chamber 3318 of acceping that chamber fourth portion 3324 is linked together, the second airtight portion 3312 closes on the second and holds the protruding arch 3314 of formation second of the bottom surface of chamber fourth portion 3324, the second is protruding 3314 to be acceptd in acceping the chamber 3318.

Referring to fig. 12, fig. 12 is a cross-sectional view of the second inner cone 333, the middle cone 334, and the second outer cone 335 along line II-II according to an embodiment of the present invention.

The outer surface of the second inner cone 333 is substantially conical, a third accommodating cavity 3331 is formed at the substantially center of the second inner cone 333, and the second protrusion 3314 of the second sealing seat 331 is embedded in the third accommodating cavity 3331 of the second inner cone 333.

The middle cone 334 is substantially a hollow cone, a fourth accommodating cavity 3341 is formed at the substantially center of the middle cone 334, the second inner cone 333 is accommodated in the fourth accommodating cavity 3341, and the inner side surface 3342 of the middle cone 334 and the outer side surface 3332 of the second inner cone 333 are parallel to each other.

The second outer cone 335 is substantially hollow and cylindrical, a fifth accommodating cavity 3351 is formed in a substantially center of the second outer cone 335, the fifth accommodating cavity 3351 is used for accommodating the middle cone 334, an external thread 3352 is formed on an outer side surface of the second outer cone 335, the external thread 3352 is matched with the internal thread 3317 in the second sealing seat 331 to fix the relative positions of the second outer cone 335 and the second sealing seat 331, and an inner side surface 3353 of the second outer cone 335 is parallel to an outer side surface 3343 of the middle cone 334.

Referring to fig. 13, fig. 13 is a cross-sectional view of the second force-bearing member 336 along the line II-II according to an embodiment of the invention. The second bearing member 336 is substantially hollow and cylindrical, an external thread 3361 is formed on the outer side surface of the second bearing member 336, and one end of the second bearing member 336 covers the first sealing part 3311. The second force bearing member 336 is used for bearing the tensile force generated by the optical cable 5 due to self deformation during connection.

Referring again to fig. 10, when the armor fixing member 33 fixes the armor layer of the optical cable 5, the middle cone 334 presses the second inner cone 333, so that the outer side 3332 of the second inner cone 333 and the inner side 3342 of the middle cone 334 press the first armor steel wire layer 51 of the optical cable 5, thereby fixing the first armor steel wire layer 51; the second outer cone 335 is pressed against the intermediate cone 334 such that the inner side 3353 of the second outer cone 335 and the outer side 3343 of the intermediate cone 334 are pressed against the second armor wire layer 52 of the optical cable 5, thereby fixing the second armor wire layer 52.

Referring to fig. 14 and 10 together, fig. 14 is a schematic cross-sectional view of the cable core fixing member 34 along the line II-II according to an embodiment of the invention. The cable core fixing member 34 includes a bushing 341, a support ring 342, a sealing ring 343, a pressing ring 344, and a locking shaft 345, wherein the cable core 53 of the optical cable 5 passes through the bushing 341, the support ring 342, the sealing ring 343, the pressing ring 344, and the locking shaft 345, the bushing 341 is disposed at one end of the cable core 53, the support ring 342 and the pressing ring 344 clamp and fix the sealing ring 343, and the locking shaft 345 is disposed at one end of the pressing ring 344. In the present embodiment, the cross section of the seal ring 343 is V-shaped.

The bushing 341 is substantially hollow and cylindrical, the inner wall and the outer wall of the bushing are provided with a plurality of sealing grooves 3411, the bushing 341 is installed in the fourth portion 3324 of the second receiving cavity, one end of the bushing 341 abuts against the first protrusion 3313 provided on the second sealing seat 331, and the bushing 341 is installed in the fourth portion 3324 of the second receiving cavity of the second sealing seat 331.

The support ring 342 is substantially hollow and circular, and one end of the support ring 342 is flat and the other end thereof is protruded.

The sealing ring 343 is installed at one side of the support ring 342 for sealing the cable core 53 of the optical cable 5.

The pressing ring 344 is substantially hollow and annular, the pressing ring 344 is mounted on a side of the sealing ring 343 away from the support ring 342, the pressing ring 344 and the support ring 342 clamp the sealing ring 343, and the support ring 342, the sealing ring 343, and the pressing ring 344 are all mounted in the second receiving cavity second portion 3322 of the second sealing seat 331.

The locking shaft 345 is substantially in the shape of a ring, the locking shaft 345 is disposed at one end of the pressing ring 344 away from the sealing ring 343, the locking shaft 345 is used for pressing the pressing ring 344, and the locking shaft 345 is disposed in the first portion 3321 of the second accommodating cavity of the second sealing seat 331.

When the cable core fixing member 34 fixes the cable core 53 of the optical cable 5, the bushing 341 and the sealing ring 343 seal the cable core 53, and the locking shaft 345 locks the pressing ring 344, the sealing ring 343 and the supporting ring 342, so that the cable core 53 is fixed and sealed.

Referring also to fig. 15, fig. 15 is a cross-sectional view of the sealing assembly 35 along line II-II according to an embodiment of the present invention. The sealing assembly 35 includes a sealing cylinder 351 and a fiber storage disc 352, the fiber storage disc 352 is mounted on the sealing cylinder 351, the sealing cylinder 351 is used for bearing external pressure so as to protect the array cable 4 and the optical cable 5 accommodated in the sealing cylinder 351, and the fiber storage disc 352 is used for storing the cable cores 42 of the array cable 4 and the cable cores 53 of the optical cable 5 to be connected.

The sealing cylinder 351 is substantially hollow and cylindrical, a threaded hole 3511 is formed in a cylinder body of the sealing cylinder 351, the threaded hole 3511 formed in the sealing cylinder 351 and the through hole 211 and the through hole 241 formed in the second reinforcing member 2 are matched with each other, and after an external positioning pin (not shown) is inserted, the second reinforcing member 2 and the connecting assembly 3 are fixedly connected. An internal thread 3512 is further formed on the inner side face of one end of the sealing cylinder 351, and the internal thread 3512 formed on the sealing cylinder 351 is matched with an external thread 3361 formed on the second bearing part 336 to fix the connection between the second bearing part 336 and the sealing cylinder 351.

The fiber storage disc 352 is installed at the approximate center of the sealing cylinder 351, a threaded hole 3521 is formed in the fiber storage disc 352 at a position corresponding to the threaded hole 3117 in the first fixing component 31, and the threaded hole 3117 and the threaded hole 3521 are matched with a stud (not shown) for fixing the relative position of the fiber storage disc 352 and the first fixing component 31. The fiber storage disc 352 is provided with a threaded hole 3522 at a position corresponding to the threaded hole 3316 of the second fixing component 32, and the threaded hole 3316 and the threaded hole 3522 are matched with a stud (not shown) to fix the relative position of the fiber storage disc 352 and the second fixing component 32. The cable core 42 of the array cable 4 and the cable core 53 of the optical cable 5 are wound in the fiber storage disc 352, and the connection of the cable core 42 of the array cable 4 and the cable core 53 of the optical cable 5 is realized after the connection of a welding process.

It is to be understood that the connection between the fiber storage plate 352 and the first fixing component 31 and the second fixing component 32 is not limited to the threaded connection in the present embodiment, and a connection manner such as welding, riveting, etc. may be adopted.

In the connection device 100, seal rings (not numbered) are installed in the seal groove 3116, the seal groove 3141, the seal groove 3315, and the seal groove 3411, respectively, to seal the respective components.

It is to be understood that the connection device 100 is not limited to the sealing ring in the present embodiment, and other sealing methods such as a felt sealing may be used.

When assembling the connection device 100, the fixing of the array cable 4 is firstly completed: installing the connectors 314 on the array cables 4 and leading out the cable cores 42 of the array cables 4, enabling the array cables 4 and the cable cores 42 to penetrate through the first reinforcing member 1, the first outer cone 312 and the first inner cone 313, enabling the first outer cone 312 and the first inner cone 313 to clamp the armor steel wire layer 41 of the array cables 4 by adopting an installation tool, inserting the positioning pins 315 into the first inner cone 313 to fix the relative positions of the first inner cone 313 and the connectors 314, screwing and sleeving the first sealing seat 311 on the first outer cone 312, embedding the connectors 314 into the first sealing seat 311 and enabling the cable cores 42 of the array cables 4 to penetrate out of the first sealing seat 311, so as to fix the array cables 4 and lead out the cable cores 42 of the array cables 4.

And then completing the fixation of the optical cable 5: the optical cable 5 is sequentially threaded through the second reinforcing member 2, the second force-bearing member 336, the second inner cone 333, the middle cone 334, the second outer cone 335, the sealing cylinder 351 and the first force-bearing member 316, the first armor steel wire layer 51 of the optical cable 5 is clamped by the second inner cone 333 and the middle cone 334 through the installation tool, the second armor steel wire layer 52 of the optical cable 5 is clamped by the middle cone 334 and the second outer cone 335 through the installation tool, the bared cable core 53 of the optical cable 5 is led out and passes through the bushing 341, the second sealing seat 331 is screwed into the second outer cone 335 to fix the second sealing seat 331, the bushing 341 is embedded into the fourth accommodating cavity 3324 of the second sealing seat 331 during screwing of the second sealing seat 331 into the second outer cone 335, the second protrusion 3314 is accommodated in the third accommodating cavity 3331 of the second inner cone 333, and the cable core 53 is sequentially threaded through the support ring 342, and the support ring 342, The support ring 342, the seal ring 343, and the press ring 344 are inserted into the second accommodating cavity second portion 3322 of the second sealing seat 331, and the press ring 344 is inserted into the lock shaft 345 and pressed against the press ring 344, so as to fix the optical cable 5 and lead out the cable core 53 of the optical cable 5.

And finally, completing the fusion of the cable core 42 of the array cable 4 and the cable core 53 of the optical cable 5: the fiber storage tray 352 is mounted in the sealing cylinder 351, the first force-bearing member 316 is fitted around the sealing cylinder 351, the cable core 42 of the array cable 4 and the cable core 53 of the optical cable 5 are fused and wound around the fiber storage tray 352, the sealing cylinder 351 is connected to the first sealing seat 311 and the second sealing seat 331, the first force-bearing member 316 fitted around the sealing cylinder 351 is screwed into the first sealing seat 311, the relative positions of the first reinforcing member 1 and the first sealing seat 311 are fixed, and the relative positions of the second reinforcing member 2 and the sealing cylinder 351 are fixed, thereby realizing the assembly of the connector 100.

The connecting device 100 of the invention can realize the quick connection and optical coupling of the array cable 4 and the optical cable 5, has good light guiding effect after connection, and has simple connection operation and high connection success rate.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.

Claims

1. A connection device, characterized by: the connecting device comprises a first reinforcing part, a second reinforcing part and a connecting assembly, wherein the first reinforcing part is arranged at one end of the connecting assembly, the second reinforcing part is arranged at the other end of the connecting assembly, the connecting assembly comprises a first fixing assembly, a second fixing assembly and a sealing assembly, the first fixing assembly is connected to the first reinforcing part, the second fixing assembly is connected to the second reinforcing part, the sealing assembly is arranged between the first fixing assembly and the second fixing assembly, the second fixing assembly comprises an armor fixing part and a cable core fixing part, the armor fixing part is connected with the sealing assembly, the cable core fixing part is arranged in the armor fixing part, the first fixing assembly comprises a first sealing seat, a first inner cone, a first outer cone, a connector and a positioning pin, and the first inner cone and the first outer cone are both accommodated in the first sealing seat, the first inner cone is accommodated in the first outer cone, the first sealing seat is connected to the sealing assembly, the connector is accommodated in the first inner cone, the connector is connected to the first sealing seat, a wedge-shaped groove is formed in the middle of the connector, a plurality of pin holes are radially formed in one end, away from the first outer cone, of the first inner cone, one end of the positioning pin is wedge-shaped, the positioning pin is embedded into the pin holes radially formed in the first inner cone and clamped into the wedge-shaped groove formed in the connector, and the first reinforcing member and the second reinforcing member are small in two ends and large in middle.

2. The connection device of claim 1, wherein: the first fixing assembly comprises a first bearing piece, one end of the first bearing piece is sleeved on the first sealing seat, and the other end of the first bearing piece is connected with the sealing assembly.

3. The connection device of claim 2, wherein: the armor fixing piece comprises a second sealing seat, the second sealing seat is connected with the sealing assembly, a containing cavity is formed in the center of the second sealing seat, and the cable core fixing piece is arranged in the containing cavity.

4. A connection device as claimed in claim 3, wherein: the armor fixing part further comprises a second inner cone, a middle cone and a second outer cone, wherein the second inner cone, the middle cone and the second outer cone are arranged in the second sealing seat, the second inner cone is arranged in the middle cone, and the middle cone is arranged in the second outer cone.

5. The connection device of claim 4, wherein: the armor fixing piece further comprises a second bearing piece, the second bearing piece is sleeved on one end, where the second sealing seat is installed, of the second inner cone, and the second inner cone, the middle cone and the second outer cone are contained in the second bearing piece.

6. The connection device of claim 4, wherein: the cable core mounting is fixed in the second seal receptacle, the cable core mounting includes support ring, sealing washer and clamping ring, the sealing washer install in between support ring and the clamping ring, support ring and clamping ring press from both sides tightly and fix the sealing washer.

7. The connection device of claim 6, wherein: the cable core fixing part further comprises a locking shaft, the locking shaft is arranged at one end, far away from the support ring, of the pressing ring, and the locking shaft is connected with and tightly presses the pressing ring.

8. The connection device of claim 7, wherein: the cable core fixing piece further comprises a bush, and the bush is arranged in the cavity of the pressing ring, which is far away from the second sealing seat.

9. The connection device of claim 7, wherein: the sealing assembly comprises a sealing barrel and a fiber storage disk, the fiber storage disk is arranged in the sealing barrel, one end of the sealing barrel is connected with a first bearing piece, the other end of the sealing barrel is connected with a second bearing piece, one end of the fiber storage disk is connected with a first sealing seat, and the other end of the fiber storage disk is connected with a second sealing seat and a cable core fixing piece.