WO2022247080A1 - 预制连接器、耦合器及预制连接器组件 - Google Patents

预制连接器、耦合器及预制连接器组件 Download PDF

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Publication number
WO2022247080A1
WO2022247080A1 PCT/CN2021/120845 CN2021120845W WO2022247080A1 WO 2022247080 A1 WO2022247080 A1 WO 2022247080A1 CN 2021120845 W CN2021120845 W CN 2021120845W WO 2022247080 A1 WO2022247080 A1 WO 2022247080A1
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WO
WIPO (PCT)
Prior art keywords
coupler
connector
protective cap
groove
protective
Prior art date
Application number
PCT/CN2021/120845
Other languages
English (en)
French (fr)
Inventor
缪冬青
孙建华
蒲维
王建兵
赵玉立
刘月祥
姚秋飞
Original Assignee
中天宽带技术有限公司
江苏中天科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中天宽带技术有限公司, 江苏中天科技股份有限公司 filed Critical 中天宽带技术有限公司
Priority to EP21939585.2A priority Critical patent/EP4134717A4/en
Priority to BR112022027061A priority patent/BR112022027061A2/pt
Priority to MX2023000093A priority patent/MX2023000093A/es
Publication of WO2022247080A1 publication Critical patent/WO2022247080A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3897—Connectors fixed to housings, casing, frames or circuit boards
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes

Definitions

  • the present disclosure relates to the technical field of optical fiber connection, in particular to a prefabricated connector, a coupler and a prefabricated connector assembly.
  • optical cable terminals mainly adopt fusion splicing pigtails and on-site assembly of quick connectors.
  • its mechanical properties and environmental resistance are poor, which will cause dust and water to enter the equipment, seriously affecting the transmission performance of the line. Therefore, a connector with easy installation, good protection performance, and excellent mechanical energy is needed to realize the connection between optical fibers.
  • the connection can meet the needs and habits of users at home and abroad.
  • the purpose of the present disclosure is to provide a prefabricated connector, a coupler and a prefabricated connector assembly that are easy and fast to install, so as to alleviate the installation difficulties between the prefabricated connector and the coupler in the prior art, and greatly benefit the construction and maintenance personnel. Demanding technical questions.
  • the present disclosure provides a prefabricated connector suitable for docking with a coupler, including:
  • a connector housing assembly the first end of which is formed with a ferrule assembly installation cavity, and the second end is formed with an optical cable introduction cavity communicating with the ferrule assembly installation cavity;
  • the ferrule assembly is arranged in the installation cavity of the ferrule assembly, and is suitable for the optical fiber insertion connection of the optical cable introduced from the optical cable introduction cavity;
  • the inner wall of the first end of the connector housing assembly is provided with a connector mounting groove, and the connector housing assembly is also provided with a connector elastic clamp, and the connector elastic clamp includes a connector drive part and a connector clamping part, the connector driving part is located outside the connector housing assembly, and the connector mounting groove is used to cooperate with the coupler clamping groove on the outer wall of the coupler to form a locking groove,
  • the connector elastic clip is in the locked state, the connector clamping part is partially in the connector installation groove, and part is in the coupler clamping groove; the connector driving part is used for external force Under the action, the locking part of the connector is driven to completely return to the connector installation groove;
  • the outer wall of the first end of the connector housing assembly is provided with a connector locking groove, and the connector locking groove is used to cooperate with the coupler installation groove on the inner wall of the coupler to form a locking groove.
  • a coupler provided by the present disclosure is suitable for docking with the prefabricated connector as described above, including:
  • the coupler body is provided with a casing installation cavity
  • a sleeve installed in the sleeve installation cavity, when the coupler is docked with the prefabricated connector, the sleeve is suitable for inserting the ferrule of the ferrule assembly;
  • the outer wall of the first end of the coupler body is provided with a coupler clamping groove, and the coupler clamping groove is used to cooperate with the connector installation groove to form a locking groove;
  • the inner wall of the first end of the coupler body is provided with a coupler installation groove, and the coupler body is also provided with a coupler elastic clip, and the coupler elastic clip includes a coupler driving part and a coupler
  • the clamping part, the coupler driving part is located outside the coupler body, the coupler installation groove is used to cooperate with the connector clamping groove to form a locking groove, and when the coupler elastic clamp is in the locked state , the coupler clamping part is partly in the coupler installation groove, partly in the connector clamping groove, and the coupler driving part is used to drive the coupler clamping part under the action of external force Fully retract into the coupler mounting slot.
  • a prefabricated connector assembly provided by the present disclosure includes the above-mentioned prefabricated connector and the above-mentioned coupler.
  • the clamping part of the elastic clip is partially embedded in the prefabricated connector and partially embedded in the coupler, so as to realize the connection between the two, and only need to drive the elastic
  • the driving part of the clamp makes the clamping part of the elastic clamp completely return to the installation groove, so that the connection between the prefabricated connector and the coupler can be easily released, and the operation is smooth, fast and accurate, which increases the convenience of operation.
  • FIG. 1 is an exploded view of a prefabricated connector provided by an embodiment of the present disclosure
  • Fig. 2 is a cross-sectional view of a prefabricated connector provided by an embodiment of the present disclosure
  • FIG. 3 is an exploded view of a coupler provided by an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of assembly of a coupler provided by an embodiment of the present disclosure.
  • FIG. 5 is a cross-sectional view of a coupler provided by an embodiment of the present disclosure.
  • FIG. 6 is a cross-sectional view of a prefabricated connector assembly provided by an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a guide provided by an embodiment of the present disclosure.
  • Fig. 8 is a schematic structural diagram of a tail handle provided by an embodiment of the present disclosure.
  • FIG. 9 is a cross-sectional view of a crimping tube provided by an embodiment of the present disclosure.
  • Fig. 10 is a schematic structural diagram of a protective inner sleeve provided by an embodiment of the present disclosure.
  • Fig. 11 is a cross-sectional view of the protective inner sleeve provided by the embodiment of the present disclosure.
  • Fig. 12 is a schematic structural diagram of a protective boot provided by an embodiment of the present disclosure.
  • Fig. 13 is a cross-sectional view of a protective boot provided by an embodiment of the present disclosure.
  • Fig. 14 is a cross-sectional view of a protective jacket provided by an embodiment of the present disclosure.
  • Fig. 15 is a front view of a protective coat provided by an embodiment of the present disclosure.
  • Fig. 16 is a cross-sectional view in the direction of Fig. 15B-B;
  • Fig. 17 is a cross-sectional view of the anti-bending boot provided by an embodiment of the present disclosure.
  • Fig. 18 is a front view of a connector protective cap provided by an embodiment of the present disclosure.
  • Fig. 19 is a cross-sectional view of the outer end of the coupler provided by an embodiment of the present disclosure.
  • FIG. 20 is a schematic structural view of the outer end of the coupler provided by an embodiment of the present disclosure under a first viewing angle
  • FIG. 21 is a schematic structural diagram of the outer end of the coupler provided by an embodiment of the present disclosure under a second viewing angle
  • Fig. 22 is a schematic structural view of the inner end of the coupler provided by an embodiment of the present disclosure under a first viewing angle
  • FIG. 23 is a schematic structural diagram of the inner end of the coupler provided by an embodiment of the present disclosure under a second viewing angle
  • Fig. 24 is a cross-sectional view of a coupler protective cap provided by an embodiment of the present disclosure.
  • Fig. 25 is a front view of a coupler protective cap provided by an embodiment of the present disclosure.
  • Figure 26 is a cross-sectional view at the place of Figure 25A-A;
  • Fig. 27 is a schematic diagram of the connector elastic clip/coupler protective cap elastic clip provided by the embodiment of the present disclosure.
  • Fig. 28 is a schematic structural diagram of a lock nut provided by an embodiment of the present disclosure.
  • the fiber optic cable 16 includes optical fibers, strength members disposed around the fibers, and a cable outer jacket encasing the optical fibers and the strength members.
  • this embodiment provides a prefabricated connector suitable for docking with a coupler, including a connector housing assembly and a ferrule assembly, wherein the first connector housing assembly One end is formed with a ferrule assembly installation cavity, and the second end is formed with an optical cable introduction cavity communicated with the ferrule assembly installation cavity; the ferrule assembly is arranged in the ferrule assembly installation cavity, suitable for the optical cable 16 introduced from the optical cable introduction cavity Fiber optic insertion connection.
  • the inner wall of the first end of the connector housing assembly is provided with a connector mounting groove, and the connector housing assembly is also provided with a connector elastic clip 13, which includes a connector driving part 1302 and a connecting
  • the connector clamping part 1301, the connector driving part 1302 are located outside the connector housing assembly, the connector mounting groove is used to cooperate with the coupler clamping groove 2011 on the outer wall of the coupler to form a locking groove, and the connector elastic clamp 13 is in the locking position. state, part of the connector clamping part 1301 is in the connector installation groove, and part is in the coupler clamping groove 2011, and the connector driving part 1302 is used to drive the connector clamping part 1301 to completely return to the connector under the action of external force. installed in the slot.
  • the two are clamped and connected through the connector elastic clip 13, which can quickly and conveniently realize the docking; when the connection needs to be released, only need to press the connector driving part 1302,
  • the coupler can be pulled out from the prefabricated connector smoothly, and the connection and disassembly are very fast, convenient and stable.
  • the prefabricated connector also includes a connector protective cap 18 that is docked with the first end of the connector housing assembly. After the connector protective cap 18 is docked with the connector housing assembly, it forms a dustproof and waterproof enclosure that can Protect ferrule components. When the prefabricated connector needs to be docked with the coupler, only the connector protective cap 18 needs to be removed.
  • the outer wall of the connector protective cap 18 is provided with a connector protective cap engagement groove 1801, when the connector protective cap 18 is inserted into the first end of the connector housing assembly, the connector protective cap snaps into place.
  • the groove 1801 is aligned with the connector mounting groove to form a locking groove.
  • the connector clamping part 1301 is partially in the connector mounting groove, and part is in the connector protective cap clamping groove 1801. Connect the connector protective cap 18 with the connector housing Component connections.
  • the connector elastic clip 13 of the connector housing assembly can be used not only for docking with the coupler, but also for docking with the connector protective cap 18 , and the structure is simpler.
  • the connector clamping part 1301 is in the shape of a ring with an opening
  • the connector elastic clip 13 also includes two connector connecting parts 1303, and the two connector connecting parts 1303 are respectively arranged on both sides of the opening. , and one end of the connector connecting portion 1303 is connected to the connector driving portion 1302 , and the other end is connected to a portion of the connector locking portion 1301 close to the opening.
  • the corresponding connector mounting slots include:
  • the connector annular groove 1201 is formed on the inner wall of the connector housing assembly, and the connector annular groove 1201 cooperates with the coupler locking groove 2011 or the connector protective cap locking groove 1801 to form a locking groove;
  • the connector passes through the groove 1205, and two are arranged at intervals along the circumferential direction of the connector annular groove 1201, and the connector passes through the groove 1205 and communicates with the connector annular groove 1201, and is suitable for the connector connecting part 1303 to pass through the connector through the groove 1205 wear out;
  • the connector insertion groove 1207 extends from the end surface of the butt end of the connector housing assembly to the connector passing groove 1205 , and is suitable for the connector connecting part 1303 to enter the connector passing groove 1205 through the connector insertion groove 1207 .
  • the matching structure between the above-mentioned connector installation groove and the connector elastic clip 13 not only facilitates the installation of the connector elastic clip 13, but also is very convenient in use. It is only necessary to press the connector driving part 1302 to make the connector clip 1301 Expand radially so as to completely retract into the connector annular groove 1201 to realize the detachment of the connector protective cap 18 from the connector housing assembly.
  • the side of the connector passing groove 1205 abutting against the connector connecting portion 1303 is formed as a first slope 1206 .
  • the connector protective cap 18 is removed from the connector housing assembly.
  • the ferrule assembly includes a ferrule 3, a guide assembly, a tail handle 5, an elastic member 4 and a crimping tube 6, wherein a ferrule installation cavity for installing the ferrule 3 is formed on the guide assembly;
  • the tail handle 5 has a through cavity, the first end of the tail handle 5 is suitable for connecting with the guide assembly, and the side wall of the second end of the tail handle 5 is formed with an open groove 502 communicating with the through cavity;
  • the elastic member is arranged between the ferrule and the tail handle 5 Between them, the elastic force is used to press against the ferrule 3, and the elastic member 4 is preferably a spring;
  • the crimping tube 6 is sleeved outside the tail handle 5, and the strengthening member of the optical cable is suitable to pass through the opening groove 502 and enter between the crimping tube 6 and the tail handle 5 Between, under the crimping force, the reinforcement is crimped between the crimping tube 6 and the tail handle 5 .
  • the crimping tube 6 is preferably a crimping aluminum tube, as shown in FIG. 9 , preferably a thread 601 is formed on the inner wall of the crimping aluminum tube.
  • the guide assembly includes a guide piece 1, and a guide piece inner shell 2, a ferrule installation cavity is formed on the guide piece inner shell 2, and the guide piece inner shell 2 is connected in the guide piece 1 .
  • the prefabricated connector also includes a connector dustproof cap 17 which is plugged onto the ferrule assembly and protects the ferrule 3 from dust.
  • the connector housing assembly includes a connector inner shell assembly and a connector outer shell assembly, wherein a ferrule assembly installation cavity and an optical cable introduction cavity are formed in the connector inner shell assembly; the connector outer shell assembly is arranged outside the connector inner shell assembly, and connected
  • the connector mounting groove is provided on the inner wall of the first end of the connector housing assembly.
  • the connector inner shell assembly includes a protective inner sleeve 7 and a protective boot 10, the first end of the protective inner sleeve 7 is formed with a ferrule assembly installation cavity, and the ferrule assembly is installed on the ferrule
  • the component is installed in the cavity, and the first end of the protective inner sleeve 7 includes two oppositely arranged baffles 708, and the two baffles 708 are suitable for being inserted into the two positioning holes 2002 of the coupler when the prefabricated connector is docked with the coupler;
  • the boot 10 has a cavity suitable for the optical cable 16 to pass through.
  • the first end of the protective boot 10 is connected to the second end of the protective inner boot 7 , and a seal is provided between the protective inner boot 7 and the protective boot 10 .
  • the setting of the baffle 708 on the protective inner sleeve 7 can be inserted into the positioning hole 2002 of the coupler when docking with the coupler, thereby enhancing the stability of the connection between the prefabricated connector and the coupler.
  • the bottom of the mounting cavity of the ferrule assembly is the first mating surface 710, which is suitable for offsetting the arc-shaped boss 501 on the tail handle 5 to form a limit fixation for the tail handle 5; as shown in Figure 7,
  • a guide key 101 is provided on the guide member 1 , as shown in FIG. 10 , a connecting plate 706 is provided between two baffles 708 , and a key groove 707 suitable for inserting the guide key 101 is opened on the connecting plate 706 .
  • the cooperating arrangement of the guide key 101 and the keyway 707 can realize the connection and positioning of the ferrule assembly and the protective inner sleeve 7 and play the role of anti-rotation.
  • a second sealing groove 709 is formed at the bottom of the insertion cavity where the second end of the protective inner sleeve 7 is used for the insertion of the protective boot 10, and the port at the first end of the protective boot 10 is provided with a boot sealing groove 1002;
  • the outer wall of the first end is provided with a third sealing groove 1001, and the sealing member includes an optical cable sealing ring 9 arranged in the sealing cavity formed by the tail sleeve sealing groove 1002 and the second sealing groove 709, and a sealing ring 9 arranged in the third sealing groove.
  • the boot seal 11 between 1001 and the inner wall of the protective inner sleeve 7; the arrangement of double seals can effectively play a waterproof and dustproof role, preventing water and dust from entering the ferrule assembly installation cavity.
  • the inner wall of the second end port of the protective inner sleeve 7 is formed with an annular clamping portion 702, and the first end side wall of the protective boot 10 is formed with a first abutting step 1006, and the first end of the protective boot 10 is inserted into the protective inner wall.
  • the first abutting step 1006 is used to abut against the annular clamping portion 702 to achieve clamping connection with the protective inner sleeve 7, and the clamping and fixing are more convenient and quicker than screw fixing and thermal shrinkage.
  • the second end of the protective inner sleeve 7 is formed with a boss snap-in groove 703 and the protective boot 10 is formed with a boss 1003, which is inserted into the first end of the protective boot 10
  • the boss 1003 is suitable for snapping into the boss snapping groove 703 .
  • the coupling between the boss engaging groove 703 and the boss 1003 can position the protective inner sleeve 7 and the protective boot 10 to prevent rotation, thereby ensuring precise positioning of the prefabricated connector.
  • the second end of the protective boot 10 is oppositely provided with two boot openings 1004 , and the inner wall of the second end of the protective boot 10 is also provided with an annular rib 1005 .
  • the second end with the boot opening 1004 can clamp the optical cable, and the annular rib 1005 can enhance the fixing force with the optical cable.
  • the connector shell assembly includes a protective jacket 12, and an anti-bending boot 15, the connector mounting groove and the connector elastic clip 13 are arranged on the first end of the protective jacket 12; the connector protective cap 18 and A first sealing ring 14 is provided between the butt ends of the connector housing assembly.
  • a first sealing groove 1202 is provided on the inner wall of the protective jacket 12 , and the first sealing ring 14 is arranged in the first sealing groove 1202 .
  • the first sealing groove 1202 may also be provided on the connector protective cap 18 .
  • annular boss 1203 is formed on the inner wall of the second end of the protective jacket 12. As shown in FIG. Insert it into the ring boss 1203. As shown in Figure 11, the outer wall of the second end of the protective inner sleeve 7 is sequentially formed with an annular card platform 701 and a second abutment step 704; as shown in Figure 17, on the inner wall of the first end of the anti-bending boot 15 There is an annular slot 1504 for the anti-bending boot, the protective inner sleeve 7 is installed in the protective outer sleeve 12, and the second end of the protective inner sleeve 7 is suitable for passing through the second end of the protective outer sleeve 12 and inserted into the anti-bending boot 15 , through the second abutting step 704 abutting against the annular boss 1203 , and the annular clamping platform 701 snapping into the annular slot 1504 of the anti-bending boot, so as to realize the connection with the anti-bending boot 15 .
  • a sealing structure is also provided between the outer wall of the protective inner sleeve 7 and the inner wall of the protective outer sleeve 12.
  • the sealing structure preferably includes a fourth sealing groove 705 arranged on the protective inner sleeve 7, and a fourth sealing groove 705 arranged on the fourth sealing groove 705.
  • a first connecting piece annular groove 1503 is formed on the outer wall of the second end of the anti-bending boot 15
  • a second connecting piece annular groove 1802 is formed on the outer wall of the second end of the connector protective cap 18, the first connecting piece 19 of the connector
  • the end is arranged in the first connecting piece annular groove 1503
  • the second end is arranged in the second connecting piece annular groove 1802
  • the connector protective cap 18 is connected with the anti-bending boot 15 .
  • the connector protective cap 18 is provided with a tail handle 1803 with a hole; the outer wall of the anti-bending boot 15 is provided with an annular rib 1502 of the boot.
  • a coupler provided in this embodiment is suitable for docking with the above-mentioned prefabricated connector, including a coupler body and a sleeve, wherein a sleeve is provided in the coupler body
  • the outer wall of the first end of the coupler body is provided with a coupler locking groove 2011, and the coupler locking groove 2011 is used to cooperate with the connector mounting groove to form a locking groove.
  • the coupler snap-in slot 2011 is aligned with the connector installation slot, and the connector snap-in part 1301 is partly in the connector installation slot, and part is in the coupler snap-in slot 2011 , connect the coupler with the prefabricated connector.
  • Coupler protective cap 23 Also includes a coupler protective cap 23, the coupler protective cap 23 is provided with a coupler protective cap installation groove, the coupler protective cap 23 is provided with a coupler protective cap elastic clip, and the coupler protective cap driving part is located in the coupler protective cap 23 outside, the coupler protective cap mounting groove is used to cooperate with the coupler clamping groove 2011 to form a locking groove.
  • the coupler protective cap elastic clip When the coupler protective cap elastic clip is in the locked state, the coupling part of the coupler protective cap is in the coupler protective cap installation groove Part of it is in the coupler clamping slot 2011; the driving part of the coupler protective cap is used to drive the clamping part of the coupler protective cap to completely return to the coupler protective cap installation groove under the action of external force.
  • the coupler snap-in slot 2011 on the coupler can be used to dock with the coupler protective cap elastic clip 25 on the coupler protective cap 23, and can also be used to connect with the connector on the prefabricated connector.
  • the elastic clips 13 are docked, and the structure is more streamlined.
  • the coupler protective cap 23 After the coupler protective cap 23 is docked with the coupler body, it can form a dustproof and waterproof closed shell.
  • the side of the coupler shield passing groove 2303 abutting against the coupler shield connecting portion 2503 is formed as a second slope 2304 .
  • the clamping part 2501 of the coupler protective cap is annular with an opening
  • the elastic clip 25 of the coupler protective cap also includes two connecting parts 2503 of the coupler protective cap. side, and one end of the coupler protective cap connection part 2503 is connected to the coupler protective cap driving part 2502, and the other end is connected to the part near the opening of the coupler protective cap clamping part 2501;
  • Coupler cap mounting slots include:
  • the coupler protective cap annular groove 2301 is formed on the inner wall of the coupler protective cap, and the coupler protective cap annular groove 2301 cooperates with the coupler clamping groove 2011 to form a locking groove;
  • the coupler protective cap passes through the groove 2303, and two are arranged at intervals along the circumferential direction of the coupler protective cap annular groove 2301, and the coupler protective cap passes through the groove 2303 and communicates with the coupler protective cap annular groove 2301, which is suitable for the connection of the coupler protective cap Portion 2503 passes outwardly from the coupler shield through slot 2303;
  • the coupler protective cap insertion groove 2307 extends from the end face of the butt end of the coupler protective cap to the coupler protective cap through the groove 2303, suitable for the coupler protective cap connection part 2503 to enter the coupler protective cap through the coupler protective cap insertion groove 2307. In the groove 2303.
  • coupler protective cap 23 and the coupler are inserted in place, the two are clamped and connected through the coupler protective cap elastic clip 25, which can quickly and conveniently realize the docking; when the connection needs to be disconnected, only need to press the coupler
  • the protective cap driving part 2502 makes the coupler protective cap clamping part 2501 completely return to the coupler protective cap installation groove, then the coupler can be pulled out from the coupler protective cap 23 smoothly, and the connection and disassembly are very fast and convenient.
  • the coupler body includes a coupler outer end 20 and a coupler inner end 21, wherein the coupler outer end 20 includes a coupler outer end body having an outer end through cavity, and a sleeve arranged at the first end of the coupler outer end body
  • the installation cavity 2005, the main body of the outer end of the coupler is suitable for docking with the prefabricated connector or the coupler protective cap 23, one end of the sleeve installation cavity 2005 extends into the outer end through cavity, and the other end extends out of the outer end through cavity;
  • the coupler inner end 21 has an inner end through cavity, and when the first end of the coupler inner end 21 is connected to the first end of the coupler outer end 20, the inner end through cavity is suitable for inserting the sleeve installation cavity 2005 into the inner end through cavity.
  • the second end of the coupler inner end 21 is an external thread end;
  • the locking nut 27 is threadedly connected to the second end of the inner end 21 of the coupler.
  • the coupler outer end 20 and the coupler inner end 21 are connected by welding, and the coupler body is formed by butting the coupler outer end 20 and the coupler inner end 21 formed separately, so that the manufacturing process of the coupler body is simpler.
  • the lock nut 27 In order to prevent the lock nut 27 from loosening, it also includes a lock nut 28 disposed on the second end of the coupler inner end 21 , and a compression protrusion 2701 is provided on the side of the lock nut 27 facing the lock nut 28 .
  • Several compression protrusions 2701 are evenly provided, such as four.
  • a seal is provided between the coupler outer end 20 and the coupler protective cap 23 , which can seal the joint between the coupler outer end 20 and the coupler protective cap 23 , and play a waterproof and dustproof role.
  • a fifth sealing groove 2302 is provided on the coupler protective cap 23 , and the sealing member is a coupler protective cap sealing ring 24 disposed in the fifth sealing groove 2302 .
  • the outer wall of the coupler protective cap 23 is also provided with a third connecting piece annular groove 2305, the first end of the coupler connecting piece 29 is set in the third connecting piece annular groove 2305, and the second end is set in the inner end flange 2101 Between the lock nut 27 and the coupler connecting piece 29, the coupler protective cap 23 can be connected to the coupler body, and the second end of the coupler connecting piece 29 can also form a primary seal.
  • the coupler protective cap 23 has a coupler protective cap tail handle 2306 .
  • the first end of the outer body of the coupler is provided with an outer flange 2001, the sleeve installation cavity 2005 is fixed on the outer flange 2001, and the outer flange 2001
  • Two positioning holes 2002 are provided on the upper surrounding casing installation cavity 2005, and the positioning holes 2002 are suitable for inserting the baffle plate 708 on the protective inner sleeve 7 of the prefabricated connector;
  • the first end of the inner end 21 of the coupler is provided with an inner flange 2101 , and the inner end 21 of the coupler is connected with the outer end 20 of the coupler as a whole through the docking of the outer flange 2001 and the inner flange 2101 .
  • Both the outer flange 2001 and the inner flange 2101 are waist-shaped flanges, preferably the two positioning holes 2002 are semicircular holes, and are arranged symmetrically with respect to the center of the outer flange 2001 .
  • the outer end flange 2001 and the inner end flange 2101 are connected by welding, and a positioning structure is provided on the contact surface of the two, which can not only position the two during welding, but also enhance the relationship between the two. connection strength.
  • a positioning structure is provided on the contact surface of the two, which can not only position the two during welding, but also enhance the relationship between the two. connection strength.
  • the positioning of the outer flange 2001 and the inner flange 2101 is realized by inserting the annular positioning protrusion 2103 into the annular positioning groove 2004 and the square positioning protrusion 2102 into the square positioning groove 2003 .
  • the annular positioning groove 2004 and the square positioning groove 2003 may also be arranged on the inner flange 2101, and the annular positioning protrusion 2103 and the square positioning protrusion 2102 may be arranged on the outer flange 2001.
  • two square positioning grooves 2003 are arranged oppositely, arranged around the center of the outer end flange 2001, and are located in the annular positioning groove 2004, and the circle center of the annular positioning groove 2004 is aligned with the center of the outer end flange 2001.
  • the center is arranged concentrically, and the annular positioning protrusion 2103 and the square positioning protrusion 2102 are also arranged correspondingly to the annular positioning groove 2004 and the square positioning groove 2003, so no more details are given here.
  • the first end of the outer flange 2001 is provided with a fixing seat, and a hollow cylindrical tube is fixed on the outer flange 2001 through the fixing seat, and the first end of the cylindrical tube is inside the outer flange 2001.
  • the two ends are outside the outer flange 2001.
  • the inner cavity of the cylindrical tube forms a casing installation cavity 2005.
  • the second end of the cylindrical tube is provided with a cylindrical tube opening 2007, and there are two cylindrical tube openings 2007 opposite to each other.
  • the inner wall of the second end of the cylindrical tube is provided with limiting protrusions, which can prevent the sleeve 22 from slipping out from the second end of the cylindrical tube after being inserted.
  • Two buckles 2008 are arranged on the fixing seat oppositely, and the two buckles 2008 are arranged around the cylindrical tube, and the two buckles 2008 are used for buckling with the coupler dustproof cap 26 .
  • the coupling slot 2011 is specifically provided on the outer flange 2001, the inner cavity of the second end of the outer body of the coupler is suitable for inserting the ferrule assembly, and the inner cavity of the outer body of the coupler is formed with an outer guide groove 2010 , the inner cavity of the coupler inner end 21 is also formed with an inner end guide groove 2104.
  • the outer end guide groove 2010 is aligned with the inner end guide groove 2104, and is suitable for the guide 1 guide key 101 is inserted to guide the coupler and the prefabricated connector.
  • an outer end step 2009 is formed at the port of the inner cavity of the main body of the outer end of the coupler, and the outer end step 2009 is suitable for abutting against the protective inner sleeve 7 .
  • a chamfer 2012 is provided on the outer wall of the second end portion of the outer body of the coupler.
  • a prefabricated connector assembly provided in this embodiment includes the above-mentioned prefabricated connector and the above-mentioned coupler.
  • the settings of the elastic clips, mounting grooves, and clamping grooves on the prefabricated connectors and couplers can also be reversed, specifically for:
  • the outer wall of the first end of the connector housing assembly is provided with a connector locking groove, and the connector locking groove is used to cooperate with the coupler installation groove on the inner wall of the coupler to form a locking groove.
  • a coupler installation groove is provided on the inner wall of the first end of the coupler body, and a coupler elastic clip is also provided on the coupler body, and the coupler elastic clip includes a coupler driving part and a coupler clip.
  • the coupler drive part is outside the coupler body, and the coupler installation groove is used to cooperate with the connector snap-in groove to form a locking groove.
  • the coupler elastic clip is in the locked state, the coupler snap-in part is in the coupler installation groove Inside, the part is in the connector snap-in groove; the coupler driving part is used to drive the coupler snap-in part back into the coupler installation slot completely under the action of external force.
  • the connector snap-in slot is aligned with the coupler installation slot, and the coupler snap-in part is in the coupler installation slot, and part is in the connector snap-in slot, so that The couplers are connected with prefabricated connectors.
  • the coupler clamping part is in the shape of a ring with an opening
  • the coupler elastic clamping part also includes two coupler connecting parts, and the two coupler connecting parts are respectively arranged on both sides of the opening, and one end of the coupler connecting part is connected to the coupling The drive part of the coupler is connected, and the other end is connected with the part of the coupler clamping part close to the opening;
  • Coupler slots include:
  • the coupler annular groove is formed on the inner wall of the coupler, and the coupler annular groove forms a locking groove with the connector clamping groove or the coupler protective cap clamping groove;
  • coupler passing grooves arranged at intervals along the circumferential direction of the coupler annular groove, and the coupler passing groove communicates with the coupler annular groove, and is suitable for the coupler connecting part to pass outward from the coupler passing groove;
  • the coupler insertion groove extends from the end face of the butt end of the coupler body to the coupler passage groove, and is suitable for the coupler connection part to enter the coupler passage groove through the coupler insertion groove.
  • the structures of the connector protective cap 18 and the coupler protective cap 23 are also adjusted accordingly, specifically:
  • the inner wall of the connector protective cap 18 is provided with a connector protective cap mounting groove, and the connector protective cap 18 is also provided with a connector protective cap elastic clip, and the connector protective cap elastic clip includes The driving part of the connector protective cap and the clamping part of the connector protective cap, the driving part of the connector protective cap is located outside the connector protective cap 18, and the installation groove of the connector protective cap is used to cooperate with the locking groove of the connector to form a locking groove.
  • the elastic clip of the protective cap is in the locked state, part of the clamping part of the connector protective cap is in the installation groove of the connector protective cap, and part is in the connector clamping groove; the driving part of the connector protective cap is used for driving under the action of external force.
  • the clamping part of the connector protective cap is completely retracted into the installation groove of the connector protective cap.
  • the installation groove of the connector protective cap is aligned with the connector clamping groove, and part of the clamping part of the connector protective cap is in the installation groove of the connector protective cap, and part is in the connection The connector clamping slot, so as to realize the connection of the connector protective cap 18 and the connector housing assembly.
  • the clamping part of the connector protective cap is in the shape of a ring with an opening
  • the elastic clip of the connector protective cap also includes two connector protective cap connecting parts, and the two connector protective cap connecting parts are respectively arranged on both sides of the opening, and One end of the connecting part of the connector protective cap is connected to the driving part of the connector protective cap, and the other end is connected to the part near the opening of the clamping part of the connector protective cap;
  • Connector cap mounting slots include:
  • the annular groove of the connector protective cap is formed on the inner wall of the connector protective cap 18, and the annular groove of the connector protective cap cooperates with the connector clamping groove to form a locking groove;
  • the connector protective cap passes through the groove, and two are provided at intervals along the circumferential groove of the connector protective cap annular groove, and the connector protective cap passes through the groove and communicates with the connector protective cap annular groove, which is suitable for the connecting part of the connector protective cap to pass through the connector
  • the protective cap goes out through the groove
  • the connector protective cap insertion groove extends from the end face of the butt end of the connector protective cap 18 to the connector protective cap passing groove, suitable for the connecting part of the connector protective cap to enter the connector protective cap passing groove through the connector protective cap insertion groove .
  • the outer wall of the coupler protective cap 23 is provided with a coupling groove for the coupler protective cap, and the coupling groove for the coupler protective cap is used to cooperate with the coupler installation groove to form a locking groove.
  • the coupling groove of the coupler protective cap is aligned with the coupler installation groove. The cap snaps into the slot, thereby connecting the coupler protective cap 23 with the coupler body.
  • the equipment matched with the component has holes according to the size of the coupler, and an anti-rotation device is installed.
  • the coupler is equipped with a coupler connecting piece 29 and penetrates into the opening of the equipment, and is fixed with a lock nut 27 and a lock nut 28 .
  • the connector inside the device is connected to the coupler.
  • the guide key on the guide piece 1 of the prefabricated connector is aligned with the keyway mark on the coupler, and connected to the coupler.
  • the protective jacket 12 is directly inserted and fixed with the coupler. When opened, Press the connector driving part 1302 of the connector elastic clip 13 to open the connector clamping part, completely retreat into the connector installation groove of the protective jacket, and pull back at the same time to disengage the connector from the coupler.
  • Coupler processing technology the outer end flange 2001 of the coupler outer end 20 and the inner end flange 2101 on the coupler inner end 21 are ultrasonically welded.
  • the outer end guide groove 2010 of the coupler outer end 20 must be on a line, and the square positioning protrusion 2102 and the ring positioning protrusion 2103 on the coupler inner end 21 are respectively aligned with the square positioning groove and the ring positioning groove on the coupler outer end 20.
  • the grooves 2004 are matched to increase the welding strength; the sleeve 22 is pressed in from the end of the sleeve installation cavity 2005 on the outer end 20 of the coupler with a crimping tool; the coupler protective cap 23 and the coupler dustproof cap 26 are installed , Coupler connecting piece 29, lock nut 27, lock nut 28, complete coupler making.
  • Prefabricated connector processing technology first put the first sealing ring 14, connector elastic clip 13 into the protective jacket 12, and then install the connector connecting piece 19, anti-bending boot 15, protective boot 10, and boot seal 11.
  • Optical cable sealing ring 9, protective jacket 12, and protective inner sleeve 7 penetrate the optical cable 16, move the tail boot seal 11 to the third sealing groove 1001 of the protective boot 10, and insert the inner outer jacket sealing ring 8 into the protective inner
  • the fourth sealing groove 705 of the cover 7 then strip the outer sheath of the optical cable 16, leaving the optical cable unit and the strengthening member in the optical cable 16, and insert the crimping tube 6, the tail handle 5, and the elastic member 4 into the optical cable unit in the optical cable 16.
  • the length of the outer sheath of the inner optical cable unit is 20mm, the length of the reinforcement is about 12mm, and the length of the optical fiber is about 15mm.
  • the component is in a natural state in the protective inner sleeve 7 when it is working, and will not cause additional loss; then inject glue into the ferrule 3; then insert the optical fiber into the ferrule 3, and then heat and cure; put the ferrule 3 into The inner shell 2 of the guide piece, and then push the tail handle 5 into the inner shell 2 of the guide piece, and the tail handle 5 and the inner shell of the guide piece are fixed by clamping; Between the crimping tube 6 and the crimping machine, the optical cable and the prefabricated connector are fixed to ensure that the prefabricated connector can withstand various external forces; then grinding, testing and other processes are carried out to complete the production of the connector;

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Abstract

一种预制连接器、耦合器及预制连接器组件，预制连接器包括连接器壳体组件和插芯组件，连接器壳体组件的第一端的内壁上设置有连接器安装槽，且连接器壳体组件上还设有连接器弹性卡件（13）。耦合器包括耦合器本体和套管（22），耦合器本体的第一端的外壁上设有耦合器卡接槽（2011）。预制连接器和耦合器对插到位后，连接器卡接部（1301）部分处于连接器安装槽内，部分处于耦合器卡接槽（2011）内，对二者实现连接。连接器驱动部（1302）在外力作用下，驱动连接器卡接部（1301）完全退回连接器安装槽内，解除对二者的连接。预制连接器和耦合器之间的连接方便快速。

Description

预制连接器、耦合器及预制连接器组件 技术领域
本公开涉及光纤连接技术领域，尤其是涉及一种预制连接器、耦合器及预制连接器组件。
背景技术
随着FTTH的大规模建设，网络正在深入的影响我们的生活，光纤网络的部署，光缆的布放是极为重要的环节，目前光缆终端成端主要采用熔接尾纤、现场组装快速连接器方式，但其机械性能、耐环境性能较差，会造成设备内进灰尘、进水，严重影响线路的传输性能，因此需要一种安装方便、防护性能好、机械能优良的连接器来实现光纤之间的连接，可以满足国内外用户的使用需求和习惯。
发明内容
本公开的目的在于提供一种安装方便快速的预制连接器、耦合器及预制连接器组件，以缓解了现有技术中存在的预制连接器与耦合器之间的安装困难，对施工、维护人员要求高的技术问题。
本公开提供的一种预制连接器，适于与耦合器对接，包括：
连接器壳体组件，其第一端形成有插芯组件安装腔，第二端形成有与所述插芯组件安装腔相通的光缆引入腔；
插芯组件，设置于所述插芯组件安装腔内，适于从所述光缆引入腔引入的光缆的光纤插入连接；
所述连接器壳体组件的第一端的内壁上设有连接器安装槽，且所述连接器壳体组件上还设有连接器弹性卡件，所述连接器弹性卡件包括连接器驱动部和连接器卡接部，所述连接器驱动部处于所述连接器壳体组件外侧，所述连接器安装槽用于与所述耦合器外壁上的耦合器卡接槽配合形成锁定槽，所述连接器弹性卡件处于锁定状态时，所述连接器卡接部部分处于所述连接器安装槽内，部分处于所述耦合器卡接槽内；所述连接器驱动部用于在外力作 用下，驱动所述连接器卡接部完全退回所述连接器安装槽内；
或
所述连接器壳体组件的第一端的外壁上设有连接器卡接槽，所述连接器卡接槽用于与所述耦合器的内壁上的耦合器安装槽配合形成锁定槽。
本公开提供的一种耦合器，适于与如上所述的预制连接器对接，包括:
耦合器本体，其内设有套管安装腔；
套管，安装于所述套管安装腔内，所述耦合器与所述预制连接器对接时，所述套管适于所述插芯组件的插芯插入；
所述耦合器本体的第一端的外壁上设有耦合器卡接槽，所述耦合器卡接槽用于与所述连接器安装槽配合形成锁定槽；
或
所述耦合器本体的第一端的内壁上设有耦合器安装槽，且所述耦合器本体上还设有耦合器弹性卡件，所述耦合器弹性卡件包括耦合器驱动部和耦合器卡接部，所述耦合器驱动部处于所述耦合器本体外侧，所述耦合器安装槽用于与所述连接器卡接槽配合形成锁定槽，所述耦合器弹性卡件处于锁定状态时，所述耦合器卡接部部分处于所述耦合器安装槽内，部分处于所述连接器卡接槽内，所述耦合器驱动部用于在外力作用下，驱动所述耦合器卡接部完全退回所述耦合器安装槽内。
本公开提供的一种预制连接器组件，包括如上所述的预制连接器，以及如上所述的耦合器。
本公开提供的预制连接器和耦合器对插到位后，弹性卡件的卡接部部分嵌入预制连接器内，部分嵌入耦合器内，从而实现二者之间的连接，拆卸时只需驱动弹性卡件的驱动部，使弹性卡件的卡接部完全退回安装槽内，就可以轻松的解除预制连接器和耦合器的连接，操作时平稳、快速、准确，增加了操作的便利性。
附图说明
为了更清楚地说明本公开实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是发明的一些实施例，对于本领域普通技术人员来讲，在不付 出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本公开实施例提供的预制连接器的分解图；
图2为本公开实施例提供的预制连接器的剖视图；
图3为本公开实施例提供的耦合器的分解图；
图4为本公开实施例提供的耦合器的组装示意图；
图5为本公开实施例提供的耦合器的剖视图；
图6为本公开实施例提供的预制连接器组件的剖视图；
图7为本公开实施例提供的导向件的结构示意图；
图8为本公开实施例提供的尾柄的结构示意图；
图9为本公开实施例提供的压接管的剖视图；
图10为本公开实施例提供的防护内套的结构示意图；
图11为本公开实施例提供的防护内套的剖视图；
图12为本公开实施例提供的防护尾套的结构示意图；
图13为本公开实施例提供的防护尾套的剖视图；
图14为本公开实施例提供的防护外套的剖视图；
图15为本公开实施例提供的防护外套的主视图；
图16为图15B-B方向的剖视图；
图17为本公开实施例提供的抗弯尾套的剖视图；
图18为本公开实施例提供的连接器防护帽的主视图；
图19为本公开实施例提供的耦合器外端的剖视图；
图20为本公开实施例提供的耦合器外端第一视角下的结构示意图；
图21为本公开实施例提供的耦合器外端第二视角下的结构示意图；
图22为本公开实施例提供的耦合器内端第一视角下的结构示意图；
图23为本公开实施例提供的耦合器内端第二视角下的结构示意图；
图24为本公开实施例提供的耦合器防护帽的剖视图；
图25为本公开实施例提供的耦合器防护帽的主视图；
图26为图25A-A处的剖视图；
图27为本公开实施例提供的连接器弹性卡件/耦合器防护帽弹性卡件的示意图；
图28为本公开实施例提供的锁紧螺母的结构示意图。
附图标记说明：
1-导向件；101-导向键；2-导向件内壳；3-插芯；4-弹性件；5-尾柄；501-弧形凸台；502-开口槽；6-压接管；601-螺纹；7-防护内套；701-环形卡台；702-环形卡部；703-凸台卡入槽；704-第二抵靠台阶；705-第四密封槽；706-连接板；707-键槽；708-挡板；709-第二密封槽；710-第一配合面；8-内外套密封圈；9-光缆密封圈；10-防护尾套；1001-第三密封槽；1002-尾套密封槽；1003-凸台；1004-尾套开口；1005-环形筋条；1006-第一抵靠台阶；11-尾套密封件；12-防护外套；1201-连接器环形槽；1202-第一密封槽；1203-环形凸台；1204-凸出纹路；1205-连接器穿过槽；1206-第一斜面；1207-连接器嵌入槽；13-连接器弹性卡件；1301-连接器卡接部；1302-连接器驱动部；1303-连接器连接部；14-第一密封圈；15-抗弯尾套；1501-环形插入端；1502-尾套环状筋条；1503-第一连接片环形槽；1504-抗弯尾套环形卡槽；16-光缆；17-连接器防尘帽；18-连接器防护帽；1801-连接器防护帽卡接槽；1802-第二连接片环形槽；1803-带孔尾柄；19-连接器连接片；20-耦合器外端；2001-外端法兰盘；2002-定位孔；2003-方形定位凹槽；2004-环形定位凹槽；2005-套管安装腔；2007-圆柱管开口；2008-卡扣；2009-外端台阶；2010-外端导向槽；2011-耦合器卡接槽；2012-倒角；21-耦合器内端；2101-内端法兰盘；2102-方形定位凸起；2103-环形定位凸起；2104-内端导向槽；22-套管；23-耦合器防护帽；2301-耦合器防护帽环形槽；2302-第五密封槽；2303-耦合器防护帽穿过槽；2304-第二斜面；2305-第三连接片环形槽；2306-耦合器防护帽尾柄；2307-耦合器防护帽嵌入槽；24-耦合器防护帽密封圈；25-耦合器防护帽弹性卡件；2501-耦合器防护帽卡接部；2502-耦合器防护帽驱动部；2503-耦合器防护帽连接部；26-耦合器防尘帽；27-锁紧螺母；2701-压缩凸起；28-防松螺母；29-耦合器连接片。
具体实施方式
下面将结合实施例对本公开的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
光缆16包括光纤，围绕光纤设置的加强件，以及包裹光纤和加强件的光缆外护套。
如图1-2和图7-18所示，本实施例提供的一种预制连接器，适于与耦合器对接，包括连接器壳体组件和插芯组件，其中连接器壳体组件的第一端形成有插芯组件安装腔，第二端形成有与插芯组件安装腔相通的光缆引入腔；插芯组件设置于插芯组件安装腔内，适于从光缆引入腔引入的光缆16的光纤插入连接。
连接器壳体组件的第一端的内壁上设有连接器安装槽，且连接器壳体组件上还设有连接器弹性卡件13，连接器弹性卡件13包括连接器驱动部1302和连接器卡接部1301，连接器驱动部1302处于连接器壳体组件外侧，连接器安装槽用于与耦合器外壁上的耦合器卡接槽2011配合形成锁定槽，连接器弹性卡件13处于锁定状态时，连接器卡接部1301部分处于连接器安装槽内，部分处于耦合器卡接槽2011内，连接器驱动部1302用于在外力作用下，驱动连接器卡接部1301完全退回连接器安装槽内。
上述的预制连接器和耦合器对插到位后，通过连接器弹性卡件13对二者进行卡接连接，能够快速方便地实现对接；在需要解除连接时，仅需按压连接器驱动部1302，使连接器卡接部1301完全退回连接器安装槽内，则可以顺利将耦合器从预制连接器中拔出，连接拆卸均非常迅速便捷平稳。
进一步的，预制连接器还包括与连接器壳体组件的第一端对接的连接器防护帽18，连接器防护帽18与连接器壳体组件对接后，形成防尘防水的封闭壳体，能够对插芯组件起到保护作用。在预制连接器需要与耦合器对接时，仅需将连接器防护帽18拆除。
如图18所示，连接器防护帽18的外壁上设有连接器防护帽卡接槽1801，在连接器防护帽18插入连接器壳体组件的第一端内时，连接器防护帽卡接槽1801与连接器安装槽对准形成锁定槽，连接器卡接部1301部分处于连接器安装槽内，部分处于连接器防护帽卡接槽1801内，将连接器防护帽18与连接器壳体组件连接。
这样的结构设置，使得连接器壳体组件的连接器弹性卡件13既能够用于与耦合器对接，又能够用于与连接器防护帽18对接，结构更精简。
具体的，如图27所示，连接器卡接部1301呈具有开口的环状，连接器 弹性卡件13还包括两连接器连接部1303，两连接器连接部1303分别设于开口的两侧，且连接器连接部1303的一端与连接器驱动部1302连接，另一端与连接器卡接部1301的靠近开口处的部位连接。
如图14和15所示，对应的连接器安装槽包括：
连接器环形槽1201，成型在连接器壳体组件的内壁上，连接器环形槽1201与耦合器卡接槽2011或连接器防护帽卡接槽1801配合形成锁定槽；
连接器穿过槽1205，沿连接器环形槽1201周向间隔设有两个，且连接器穿过槽1205与连接器环形槽1201相通，适合连接器连接部1303从连接器穿过槽1205中向外穿出；
连接器嵌入槽1207，由连接器壳体组件的对接端的端面延伸至连接器穿过槽1205，适合连接器连接部1303经由连接器嵌入槽1207进入连接器穿过槽1205内。
上述连接器安装槽与连接器弹性卡件13的配合结构，不仅方便连接器弹性卡件13的安装，而且在使用时非常便捷，仅需按压连接器驱动部1302，使连接器卡接部1301径向扩张，从而完全退入连接器环形槽1201内，实现连接器防护帽18从连接器壳体组件上的拆卸。优选连接器穿过槽1205的与连接器连接部1303相抵的侧面成型为第一斜面1206。
预制连接器在与耦合器对接前，先将连接器防护帽18从连接器壳体组件上拆除。
如图1和2所示，插芯组件包括插芯3、导向组件、尾柄5、弹性件4以及压接管6，其中导向组件上成型有用于安装插芯3的插芯安装腔；尾柄5具有通腔，尾柄5的第一端适合与导向组件连接，尾柄5的第二端的侧壁上形成有与通腔相通的开口槽502；弹性件设置在插芯与尾柄5之间，其弹力用于抵紧插芯3，弹性件4优选为弹簧；压接管6套设于尾柄5外，光缆的加强件适合从开口槽502穿出进入压接管6与尾柄5之间，在压接力作用下，加强件被压接在压接管6与尾柄5之间。
尾柄5上的开口槽502对称设有两个，两开口槽502由两弧形凸台501间隔形成。压接管6优选为压接铝管，如图9所示，优选压接铝管的内壁上成型有螺纹601。当光缆的两加强件分别从尾柄5的两开口槽502穿出进入压接管6与尾柄5之间被压接时，螺纹601的设置能够增强压接后的摩擦力， 增强抗拉强度。
具体的，如图1和2所示，导向组件包括导向件1，以及导向件内壳2，导向件内壳2上成型有插芯安装腔，且导向件内壳2连接在导向件1内。
进一步的，预制连接器还包括插接在插芯组件上，对插芯3进行防尘的连接器防尘帽17。
连接器壳体组件包括连接器内壳组件和连接器外壳组件，其中连接器内壳组件内形成有插芯组件安装腔和光缆引入腔；连接器外壳组件设置在连接器内壳组件外，连接器安装槽设置在连接器外壳组件的第一端的内壁上。
进一步的，如图10-13所示，连接器内壳组件包括防护内套7和防护尾套10，防护内套7的第一端形成有插芯组件安装腔，插芯组件安装在插芯组件安装腔内，且防护内套7的第一端包括两相对设置的挡板708，两挡板708在预制连接器与耦合器对接时，适于插入耦合器的两定位孔2002内；防护尾套10具有适合光缆16穿过的空腔，防护尾套10的第一端连接在防护内套7的第二端内，且防护内套7与防护尾套10之间设有密封件。
防护内套7上的挡板708的设置，能够在与耦合器对接时，插入耦合器的定位孔2002内，从而增强预制连接器与耦合器连接的稳定性。
如图11所示，插芯组件安装腔的底部为第一配合面710，适合与尾柄5上的弧形凸台501相抵，形成对尾柄5的限位固定；如图7所示，导向件1上设有导向键101，如图10所示，两挡板708之间设置有连接板706，连接板706上开设有适合导向键101插入的键槽707。导向键101与键槽707的配合设置，能够实现插芯组件与防护内套7的连接定位，起到防转动的作用。
防护内套7的第二端供防护尾套10插入的插入腔的底部形成有第二密封槽709，防护尾套10的第一端的端口设有尾套密封槽1002；防护尾套10的第一端的外壁上设置有第三密封槽1001，密封件包括设置在尾套密封槽1002与第二密封槽709配合围成的密封腔内的光缆密封圈9，以及设置在第三密封槽1001内与防护内套7的内壁之间的尾套密封件11；双密封件的设置能够有效地起到防水防尘作用，防止水和灰尘进入插芯组件安装腔内。
防护内套7的第二端端口的内壁上成型有环形卡部702，防护尾套10的第一端侧壁上成型有第一抵靠台阶1006，防护尾套10的第一端插入防护内套后，通过第一抵靠台阶1006抵住环形卡部702，实现与防护内套7的卡接， 卡接固定比螺纹固定和热收缩更方便快捷。
进一步的，如图11和图12所示，防护内套7的第二端成型有凸台卡入槽703，防护尾套10上成型有凸台1003，在防护尾套10的第一端插入防护内套7的第二端时，凸台1003适合卡入凸台卡入槽703内。凸台卡入槽703与凸台1003的耦合，能够使防护内套7与防护尾套10定位，防止发生转动，从而保证预制连接器的精准定位。
防护尾套10的第二端上相对设有两尾套开口1004，且防护尾套10第二端的内壁上还设有环形筋条1005。光缆从防护尾套10的第二端引入时，设有尾套开口1004的第二端能够夹紧光缆，环形筋条1005能够增强与光缆的固定力。
如图2所示，连接器外壳组件包括防护外套12，以及抗弯尾套15，连接器安装槽和连接器弹性卡件13设置在防护外套12的第一端上；连接器防护帽18与连接器壳体组件的对接端之间设有第一密封圈14。优选防护外套12的内壁上设置有第一密封槽1202，第一密封圈14设置在第一密封槽1202内。当然，作为可替代的实施方式，第一密封槽1202也可以设置在连接器防护帽18上。
如图14所示，防护外套12的第二端的内壁上成型有环形凸台1203，如图17所示，抗弯尾套15的第一端成型有环形插入端1501，环形插入端1501适于插入环形凸台1203内。如图11所示，防护内套7的第二端的外壁上依次成型有环形卡台701，以及第二抵靠台阶704；如图17所示，抗弯尾套15的第一端的内壁上设有抗弯尾套环形卡槽1504，防护内套7安装在防护外套12内，且防护内套7的第二端适合从防护外套12的第二端穿出并插入抗弯尾套15内，通过第二抵靠台阶704抵靠在环形凸台1203上，且环形卡台701卡入抗弯尾套环形卡槽1504内，从而实现与抗弯尾套15连接。防护尾套10的第二端适于插入抗弯尾套15内。防护外套12的外侧壁上还设有凸出纹路1204，增加操作时的手感。
进一步的，防护内套7的外壁与防护外套12的内壁之间还设有密封结构，密封结构优选为包括设置在防护内套7上的第四密封槽705，以及设置在第四密封槽705内的内外套密封圈8。
抗弯尾套15的第二端的外壁上成型有第一连接片环形槽1503，连接器 防护帽18的第二端的外壁上成型有第二连接片环形槽1802，连接器连接片19的第一端设置在第一连接片环形槽1503内，第二端设置在第二连接片环形槽1802内，将连接器防护帽18与抗弯尾套15连接。连接器防护帽18设置有带孔尾柄1803；抗弯尾套15的外壁上设置有尾套环状筋条1502。
如图3-5和图19-28所示，本实施例提供的一种耦合器，适于与上述的预制连接器对接，包括耦合器本体和套管，其中耦合器本体内设有套管安装腔2005；套管22安装于套管安装腔2005内，耦合器与预制连接器对接时，套管适于插芯组件的插芯插入；
耦合器本体的第一端的外壁上设有耦合器卡接槽2011，耦合器卡接槽2011用于与连接器安装槽配合形成锁定槽。
在耦合器与预制连接器对插到位时，耦合器卡接槽2011与连接器安装槽对准，连接器卡接部1301部分处于连接器安装槽内，部分处入耦合器卡接槽2011内，将耦合器与预制连接器连接。
还包括耦合器防护帽23，耦合器防护帽23上设有耦合器防护帽安装槽，耦合器防护帽23上设有耦合器防护帽弹性卡件，耦合器防护帽驱动部处于耦合器防护帽23外侧，耦合器防护帽安装槽用于与耦合器卡接槽2011配合形成锁定槽，耦合器防护帽弹性卡件处于锁定状态时，耦合器防护帽卡接部部分处于耦合器防护帽安装槽内，部分处于耦合器卡接槽2011内；耦合器防护帽驱动部用于在外力作用下，驱动耦合器防护帽卡接部完全退回耦合器防护帽安装槽内。
这样的结构设置，使得耦合器上的耦合器卡接槽2011既能够用于与耦合器防护帽23上的耦合器防护帽弹性卡件25对接，又能够用于与预制连接器上的连接器弹性卡件13对接，结构更精简。耦合器防护帽23与耦合器本体对接后，能够形成防尘防水的封闭壳体。在耦合器需要与预制连接器对接时，仅需将耦合器防护帽23拆除。优选耦合器防护帽穿过槽2303的与耦合器防护帽连接部2503相抵的侧面成型为第二斜面2304。
优选，耦合器防护帽卡接部2501呈具有开口的环状，耦合器防护帽弹性卡件25还包括两耦合器防护帽连接部2503，两耦合器防护帽连接部2503分别设于开口的两侧，且耦合器防护帽连接部2503的一端与耦合器防护帽驱动部2502连接，另一端与耦合器防护帽卡接部2501的靠近开口处的部位连接；
耦合器防护帽安装槽包括：
耦合器防护帽环形槽2301，成型在耦合器防护帽的内壁上，耦合器防护帽环形槽2301与耦合器卡接槽2011配合形成锁定槽；
耦合器防护帽穿过槽2303，沿耦合器防护帽环形槽2301周向间隔设有两个，且耦合器防护帽穿过槽2303与耦合器防护帽环形槽2301相通，适合耦合器防护帽连接部2503从耦合器防护帽穿过槽2303中向外穿出；
耦合器防护帽嵌入槽2307，由耦合器防护帽的对接端的端面延伸至耦合器防护帽穿过槽2303，适合耦合器防护帽连接部2503经由耦合器防护帽嵌入槽2307进入耦合器防护帽穿过槽2303内。
上述的耦合器防护帽23和耦合器对插到位后，通过耦合器防护帽弹性卡件25对二者进行卡接连接，能够快速方便地实现对接；在需要解除连接时，仅需按压耦合器防护帽驱动部2502，使耦合器防护帽卡接部2501完全退回耦合器防护帽安装槽内，则可以顺利将耦合器从耦合器防护帽23中拔出，连接拆卸均非常迅速便捷。
耦合器本体包括耦合器外端20和耦合器内端21，其中耦合器外端20包括具有外端通腔的耦合器外端主体，以及设置在耦合器外端主体的第一端的套管安装腔2005，耦合器外端主体适于与预制连接器或耦合器防护帽23对接，套管安装腔2005的一端延伸至外端通腔内，另一端延伸至外端通腔外；
耦合器内端21上具有内端通腔，且耦合器内端21的第一端与耦合器外端20的第一端连接时，内端通腔适于套管安装腔2005插入内端通腔内，耦合器内端21的第二端为外螺纹端；
锁紧螺母27，螺纹连接在耦合器内端21的第二端上。
优选耦合器外端20和耦合器内端21通过焊接连接，耦合器本体由分体成型的耦合器外端20和耦合器内端21对接形成，使得耦合器本体的制造工艺更简单。
为了防止锁紧螺母27的固定松动，还包括设置在耦合器内端21的第二端上的防松螺母28，锁紧螺母27朝向防松螺母28的一侧面上设有压缩凸起2701。压缩凸起2701均匀地设有若干，如设置四个。使用时，先用锁紧螺母27将耦合器固定在设备上，然后再拧紧防松螺母28，在拧紧的过程中，压缩凸起2701被压缩变形。锁紧螺母27和防松螺母28之间形成预紧力，能够有 效的防止固定松动，保证固定的稳定性。
耦合器外端20与耦合器防护帽23之间设置有密封件，能够对耦合器外端20与耦合器防护帽23之间的连接处进行密封，起到防水防尘作用。优选耦合器防护帽23上设有第五密封槽2302，密封件为设置在第五密封槽2302内的耦合器防护帽密封圈24。
耦合器防护帽23的外壁上还开设有第三连接片环形槽2305，耦合器连接片29的第一端设置在第三连接片环形槽2305内，第二端设置在内端法兰盘2101与锁紧螺母27之间，耦合器连接片29的设置能够将耦合器防护帽23与耦合器本体连接，同时耦合器连接片29的第二端还能形成一级密封。耦合器防护帽23上具有耦合器防护帽尾柄2306。
进一步的，如图19-23所示，耦合器外端主体的第一端设置有外端法兰盘2001，套管安装腔2005固设在外端法兰盘2001上，外端法兰盘2001上环绕套管安装腔2005上设有两定位孔2002，定位孔2002适于预制连接器的防护内套7上的挡板708插入；
耦合器内端21的第一端设置有内端法兰盘2101，通过外端法兰盘2001与内端法兰盘2101对接将耦合器内端21与耦合器外端20连接一体。
外端法兰盘2001、内端法兰盘2101均为腰形法兰盘，优选两定位孔2002为半圆形孔，且相对外端法兰盘2001的中心对称设置。
外端法兰盘2001与内端法兰盘2101通过焊接的方式连接，二者的接触面上设有定位结构，既能够在焊接时，对二者进行定位，同时，也能够增强二者的连接强度。定位结构在实施时，可以有多种，在本实施例中，优选为包括成型在外端法兰盘2001的表面上的环形定位凹槽2004和方形定位凹槽2003，以及包括成型在内端法兰盘2101的表面上的环形定位凸起2103和方形定位凸起2102。通过环形定位凸起2103插入环形定位凹槽2004，方形定位凸起2102插入方形定位凹槽2003实现外端法兰盘2001与内端法兰盘2101的定位。当然，作为可替换的实施方式，也可以环形定位凹槽2004和方形定位凹槽2003设置在内端法兰盘2101上，环形定位凸起2103和方形定位凸起2102设置在外端法兰盘2001上。具体设置时，方形定位凹槽2003相对设置有两个，围绕外端法兰盘2001的中心设置，且处于环形定位凹槽2004内，环形定位凹槽2004的圆心与外端法兰盘2001的中心同心设置，环形定位凸 起2103和方形定位凸起2102也相应环形定位凹槽2004和方形定位凹槽2003设置，不再多叙。
外端法兰盘2001的第一端端面设有固定座，一中空的圆柱管通过固定座固定在外端法兰盘2001上，且圆柱管的第一端处于外端法兰盘2001内，第二端处于外端法兰盘2001外，圆柱管的内腔形成套管安装腔2005，圆柱管的第二端上开设有圆柱管开口2007，圆柱管开口2007相对设置有两个。且圆柱管的第二端的内壁上还设有限位凸点，限位凸点能够防止套管22插入后，从圆柱管的第二端脱出。固定座上还相对设置有两卡扣2008，两卡扣2008围绕圆柱管设置，两卡扣2008用于与耦合器防尘帽26卡接。
耦合器卡接槽2011具体开设在外端法兰盘2001上，耦合器外端主体的第二端的内腔适合插芯组件插入，且耦合器外端主体的内腔上成型有外端导向槽2010，耦合器内端21的内腔上也成型有内端导向槽2104，耦合器内端21与耦合器外端20焊接后，外端导向槽2010与内端导向槽2104对齐，并适合导向件1的导向键101插入，实现耦合器与预制连接器的对插进行导向。另外，耦合器外端主体的内腔的端口还成型有外端台阶2009，该外端台阶2009适合与防护内套7相抵。耦合器外端主体的第二端端部的外壁上设有倒角2012。
如图6所示，本实施例提供的一种预制连接器组件，包括如上述的预制连接器，以及上述的耦合器。
相对于上述的预制连接器、耦合器以及预制连接器组件，作为可替换的实施方式，还可以将弹性卡件、安装槽、卡接槽在预制连接器、耦合器上的设置对调过来，具体为：
对于预制连接器，连接器壳体组件的第一端的外壁上设有连接器卡接槽，连接器卡接槽用于与耦合器的内壁上的耦合器安装槽配合形成锁定槽。
对于耦合器，耦合器本体的第一端的内壁上设有耦合器安装槽，且耦合器本体上还设有耦合器弹性卡件，耦合器弹性卡件包括耦合器驱动部和耦合器卡接部，耦合器驱动部处于耦合器本体外侧，耦合器安装槽用于与连接器卡接槽配合形成锁定槽，耦合器弹性卡件处于锁定状态时，耦合器卡接部部分处于耦合器安装槽内，部分处于连接器卡接槽内；耦合器驱动部用于在外力作用下，驱动耦合器卡接部完全退回耦合器安装槽内。在耦合器与预制连 接器对插到位时，连接器卡接槽与耦合器安装槽对准，耦合器卡接部部分处于耦合器安装槽内，部分处入连接器卡接槽内，从而将耦合器与预制连接器连接。
具体的，耦合器卡接部呈具有开口的环状，耦合器弹性卡件还包括两耦合器连接部，两耦合器连接部分别设于开口的两侧，且耦合器连接部的一端与耦合器驱动部连接，另一端与耦合器卡接部的靠近开口处的部位连接；
耦合器安装槽包括：
耦合器环形槽，成型在耦合器的内壁上，耦合器环形槽与连接器卡接槽或耦合器防护帽卡接槽形成锁定槽；
耦合器穿过槽，沿耦合器环形槽周向间隔设有两个，且耦合器穿过槽与耦合器环形槽相通，适合耦合器连接部从耦合器穿过槽中向外穿出；
耦合器嵌入槽，由耦合器本体的对接端的端面延伸至耦合器穿过槽，适合耦合器连接部经由耦合器嵌入槽进入耦合器穿过槽内。
相应的，连接器防护帽18、耦合器防护帽23的结构也作适应的调整，具体为：
对于连接器防护帽18，连接器防护帽18的内壁上设有连接器防护帽安装槽，且连接器防护帽18上还设有连接器防护帽弹性卡件，连接器防护帽弹性卡件包括连接器防护帽驱动部和连接器防护帽卡接部，连接器防护帽驱动部处于连接器防护帽18外侧，连接器防护帽安装槽用于与连接器卡接槽配合形成锁定槽，连接器防护帽弹性卡件处于锁定状态时，连接器防护帽卡接部部分处于连接器防护帽安装槽内，部分处于连接器卡接槽内；连接器防护帽驱动部用于在外力作用下，驱动连接器防护帽卡接部完全退回连接器防护帽安装槽内。在连接器壳体组件插入连接器防护帽18内时，连接器防护帽安装槽与连接器卡装槽对准，连接器防护帽卡接部部分处于连接器防护帽安装槽内，部分处于连接器卡接槽内，从而实现连接器防护帽18与连接器壳体组件的连接。
具体的，连接器防护帽卡接部呈具有开口的环状，连接器防护帽弹性卡件还包括两连接器防护帽连接部，两连接器防护帽连接部分别设于开口的两侧，且连接器防护帽连接部的一端与连接器防护帽驱动部连接，另一端与连接器防护帽卡接部的靠近开口处的部位连接；
连接器防护帽安装槽包括：
连接器防护帽环形槽，成型在连接器防护帽18的内壁上，连接器防护帽环形槽与连接器卡接槽配合形式锁定槽；
连接器防护帽穿过槽，沿连接器防护帽环形槽周向间隔设有两个，且连接器防护帽穿过槽与连接器防护帽环形槽相通，适合连接器防护帽连接部从连接器防护帽穿过槽中向外穿出；
连接器防护帽嵌入槽，由连接器防护帽18的对接端的端面延伸至连接器防护帽穿过槽，适合连接器防护帽连接部经由连接器防护帽嵌入槽进入连接器防护帽穿过槽内。
对于耦合器防护帽23，耦合器防护帽23的外壁上设有耦合器防护帽卡接槽，耦合器防护帽卡接槽用于与耦合器安装槽配合形成锁定槽。在耦合器防护帽23插入耦合器本体的第一端内时，耦合器防护帽卡接槽与耦合器安装槽对准，耦合器卡接部部分处于耦合器安装槽内，部分嵌入耦合器防护帽卡接槽内，从而将耦合器防护帽23与耦合器本体连接。
工作原理：
与组件相配套的设备根据耦合器尺寸开孔，并设置防转动装置，耦合器装上耦合器连接片29穿入设备的开孔，用锁紧螺母27和防松螺母28进行固定。设备内部的连接器与耦合器相连，预制连接器的导向件1上的导向键对准耦合器上的键槽标识，与耦合器相连，防护外套12与耦合器直插卡接固定，打开时，按连接器弹性卡件13的连接器驱动部1302使连接器卡接部张开，完全退回防护外套的连接器安装槽内，同时向后拉，使连接器从耦合器中脱离。
工艺路线：
耦合器加工工艺：耦合器外端20的外端法兰盘2001与耦合器内端21上的内端法兰盘2101进行超声波焊接，焊接时注意耦合器内端21的内端导向槽2104与耦合器外端20的外端导向槽2010必须在一线上，耦合器内端21上的方形定位凸起2102和环形定位凸起2103分别与耦合器外端20上的方形定位凹槽和环形定位凹槽2004相配，增加焊接强度；用压接工装将套管22从耦合器外端20上的套管安装腔2005的端部压入；装上耦合器防护帽23、耦合器防尘帽26、耦合器连接片29、锁紧螺母27、防松螺母28，完成耦合 器制作。
预制连接器加工工艺：先将第一密封圈14、连接器弹性卡件13装入防护外套12内，再将连接器连接片19、抗弯尾套15、防护尾套10、尾套密封件11、光缆密封圈9、防护外套12、防护内套7穿入光缆16，将尾套密封件11移到防护尾套10的第三密封槽1001内，将内外套密封圈8穿入防护内套7的第四密封槽705处；然后开剥光缆16外护套，留下光缆16内光缆单元和加强件，将压接管6、尾柄5、弹性件4穿入光缆16内光缆单元。
然后按工艺模板开剥光缆单元，开剥时内光缆单元的光缆外护套留取长度为20mm，加强件留取长度约为12mm,光纤留取长度约为15mm、通过长度的控制保证插芯组件在工作时在防护内套7内处于自然状态，不会引起附加损耗；然后对插芯3内注胶；再将光纤穿入插芯3内，再进行加热固化；将插芯3装入导向件内壳2，再将尾柄5推入导向件内壳2，尾柄5和导向件内壳通过卡接固定；再将加强件从尾柄5的开口槽502处穿入尾柄5和压接管6之间，用压接机进行压接，光缆和预制连接器形成固定，保证预制连接器承受各种外力；再进行研磨、测试等工序，完成连接头制作；
再将防护内套7向前推，将插芯组件装入防护内套7内腔，注意防护内套7上的键槽707，与导向件1上的导向键101相配；再将光缆密封圈9、防护尾套10往前推，将防护尾套10压入防护内套7，防护尾套10的第一抵靠台阶1006与防护内套7上的环形卡部702通过卡接固定，注意防护内套7上的凸台卡入槽703与防护尾套10上的凸台1003相配，防止转动；再将防护外套12向前推，防护外套12上的环形凸台1203压在防护内套7上的第二抵靠台阶704上；再将抗弯尾套15向前推，抗弯尾套15前端内的抗弯尾套环形卡槽1504与防护内套7上环形卡台701相配，形成卡接固定；环形插入端1501伸入防护外套12尾端内；装上连接器防护帽18；将连接器连接片19一端套入抗弯尾套15的后部的第一连接片环形槽1503内，另一端套入连接器防护帽18的第二连接片环形槽1802内，将连接器防护帽18与防护外套12连接。
使用时只要将耦合器防护帽23、连接器防护帽18、连接器防尘帽17取下，然后将预制连接器装上已固定在设备上的耦合器，实现快速连接。
最后应说明的是：以上各实施例仅用以说明本公开的技术方案，而非对 其限制；尽管参照前述各实施例对本公开进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本公开各实施例技术方案的范围。

Claims (17)

  1. 一种预制连接器，适于与耦合器对接，包括：
    连接器壳体组件，其第一端形成有插芯组件安装腔，第二端形成有与所述插芯组件安装腔相通的光缆引入腔；
    插芯组件，设置于所述插芯组件安装腔内，适于从所述光缆引入腔引入的光缆(16)的光纤插入连接；
    其特征在于，
    所述连接器壳体组件的第一端的内壁上设有连接器安装槽，且所述连接器壳体组件上还设有连接器弹性卡件(13)，所述连接器弹性卡件(13)包括连接器驱动部(1302)和连接器卡接部(1301)，所述连接器驱动部(1302)处于所述连接器壳体组件外侧，所述连接器安装槽用于与所述耦合器的外壁上的耦合器卡接槽(2011)配合形成锁定槽，所述连接器弹性卡件(13)处于锁定状态时，所述连接器卡接部(1301)部分处于所述连接器安装槽内，部分处于所述耦合器卡接槽(2011)内；所述连接器驱动部(1302)用于在外力作用下，驱动所述连接器卡接部(1301)完全退回所述连接器安装槽内；
    或
    所述连接器壳体组件的第一端的外壁上设有连接器卡接槽，所述连接器卡接槽用于与所述耦合器的内壁上的耦合器安装槽配合形成锁定槽。
  2. 根据权利要求1所述的预制连接器，其特征在于，还包括与所述连接器壳体组件的第一端对接的连接器防护帽(18)；
    所述连接器防护帽(18)的外壁上设有连接器防护帽卡接槽(1801)，在所述连接器防护帽(18)插入所述连接器壳体组件的第一端内时，所述连接器防护帽卡接槽(1801)与所述连接器安装槽对准形成锁定槽，所述连接器卡接部(1301)部分处于所述连接器安装槽内，部分处于所述连接器防护帽卡接槽(1801)内，将所述连接器防护帽(18)与所述连接器壳体组件连接；
    或
    所述连接器防护帽(18)的内壁上设有连接器防护帽安装槽，且所述连接器防护帽(18)上还设有连接器防护帽弹性卡件，所述连接器防护帽弹性卡件包括连接器防护帽驱动部和连接器防护帽卡接部，所述连接器防护帽驱 动部处于所述连接器防护帽(18)外侧，所述连接器防护帽安装槽用于与所述连接器卡接槽配合形成锁定槽，所述连接器防护帽弹性卡件处于锁定状态时，所述连接器防护帽卡接部部分处于所述连接器防护帽安装槽内，部分处于所述连接器卡接槽内；所述连接器防护帽驱动部用于在外力作用下，驱动所述连接器防护帽卡接部完全退回所述连接器防护帽安装槽内。
  3. 根据权利要求2所述的预制连接器，其特征在于，所述连接器卡接部(1301)呈具有开口的环状，所述连接器弹性卡件(13)还包括两连接器连接部(1303)，两所述连接器连接部(1303)分别设于开口的两侧，且所述连接器连接部(1303)的一端与所述连接器驱动部(1302)连接，另一端与所述连接器卡接部(1301)的靠近所述开口处的部位连接；
    所述连接器安装槽包括：
    连接器环形槽(1201)，成型在所述连接器壳体组件的内壁上，所述连接器环形槽(1201)与所述耦合器卡接槽(2011)或连接器防护帽卡接槽(1801)配合形成锁定槽；
    连接器穿过槽(1205)，沿所述连接器环形槽(1201)周向间隔设有两个，且所述连接器穿过槽(1205)与所述连接器环形槽(1201)相通，适合所述连接器连接部(1303)从所述连接器穿过槽(1205)中向外穿出；
    连接器嵌入槽(1207)，由所述连接器壳体组件的对接端的端面延伸至所述连接器穿过槽(1205)，适合所述连接器连接部(1303)经由所述连接器嵌入槽(1207)进入所述连接器穿过槽(1205)内；
    或
    所述连接器防护帽卡接部呈具有开口的环状，所述连接器防护帽弹性卡件还包括两连接器防护帽连接部，两所述连接器防护帽连接部分别设于开口的两侧，且所述连接器防护帽连接部的一端与所述连接器防护帽驱动部连接，另一端与所述连接器防护帽卡接部的靠近所述开口处的部位连接；
    所述连接器防护帽安装槽包括：
    连接器防护帽环形槽，成型在所述连接器防护帽(18)的内壁上，所述连接器防护帽环形槽与所述连接器卡接槽配合形式锁定槽；
    连接器防护帽穿过槽，沿所述连接器防护帽环形槽周向间隔设有两个，且所述连接器防护帽穿过槽与所述连接器防护帽环形槽相通，适合所述连接 器防护帽连接部从所述连接器防护帽穿过槽中向外穿出；
    连接器防护帽嵌入槽，由所述连接器防护帽(18)的对接端的端面延伸至所述连接器防护帽穿过槽，适合所述连接器防护帽连接部经由所述连接器防护帽嵌入槽进入所述连接器防护帽穿过槽内。
  4. 根据权利要求2或3所述的预制连接器，其特征在于，所述连接器防护帽(18)与所述连接器壳体组件的对接端之间设有第一密封圈(14)。
  5. 根据权利要求1-3中任一项所述的预制连接器，其特征在于，所述连接器壳体组件包括：
    连接器内壳组件，其内形成有所述插芯组件安装腔和所述光缆引入腔；
    连接器外壳组件，设置在所述连接器内壳组件外，所述连接器安装槽设置在所述连接器外壳组件的第一端的内壁上。
  6. 根据权利要求5所述的预制连接器，其特征在于，所述连接器内壳组件包括：
    防护内套(7)，其第一端形成有所述插芯组件安装腔，且所述防护内套(7)的第一端包括两相对设置的挡板(708)，两所述挡板(708)在所述预制连接器与耦合器对接时，适于插入所述耦合器的两定位孔(2002)内；
    防护尾套(10)，具有适合光缆(16)穿过的空腔，所述防护尾套(10)的第一端连接在所述防护内套(7)的第二端内，且所述防护内套(7)与所述防护尾套(10)之间设有密封件。
  7. 根据权利要求6所述的预制连接器，其特征在于，所述防护内套(7)的第二端成型有凸台卡入槽(703)，所述防护尾套(10)上成型有凸台(1003)，在所述防护尾套(10)插入所述防护内套(7)的第二端时，所述凸台(1003)适合卡入所述凸台卡入槽(703)内。
  8. 根据权利要求6所述的预制连接器，其特征在于，所述插芯组件的导向组件上设有导向键(101)，两所述挡板(708)之间设置有连接板(706)，所述连接板(706)上开设有适合所述导向键(101)插入的键槽(707)。
  9. 根据权利要求1-3中任一项所述的预制连接器，其特征在于，所述插芯组件包括：
    插芯(3)；
    导向组件，其上成型有用于安装所述插芯(3)的插芯安装腔；
    尾柄(5)，其具有通腔，所述尾柄(5)的第一端适合与所述导向组件连接，所述尾柄(5)的第二端的侧壁上形成有与所述通腔相通的开口槽(502)；
    弹性件(4)，设置在所述插芯与所述尾柄(5)之间，其弹力用于抵紧所述插芯(3)；
    压接管(6)，套设于所述尾柄(5)外，所述光缆的加强件适合从所述开口槽(502)穿出进入所述压接管(6)与所述尾柄(5)之间，在压接力作用下，所述加强件被压接在所述压接管(6)与所述尾柄(5)之间。
  10. 一种耦合器，适于与权利要求1-9中任一项所述的预制连接器对接，其特征在于，包括:
    耦合器本体，其内设有套管安装腔(2005)；
    套管(22)，安装于所述套管安装腔(2005)内，所述耦合器与所述预制连接器对接时，所述套管适于所述插芯组件的插芯插入；
    所述耦合器本体的第一端的外壁上设有耦合器卡接槽(2011)，所述耦合器卡接槽(2011)用于与所述连接器安装槽配合形成锁定槽；
    或
    所述耦合器本体的第一端的内壁上设有耦合器安装槽，且所述耦合器本体上还设有耦合器弹性卡件，所述耦合器弹性卡件包括耦合器驱动部和耦合器卡接部，所述耦合器驱动部处于所述耦合器本体外侧，所述耦合器安装槽用于与所述连接器卡接槽配合形成锁定槽，所述耦合器弹性卡件处于锁定状态时，所述耦合器卡接部部分处于所述耦合器安装槽内，部分处于所述连接器卡接槽内，所述耦合器驱动部用于在外力作用下，驱动所述耦合器卡接部完全退回所述耦合器安装槽内。
  11. 根据权利要求10所述的耦合器，其特征在于，还包括耦合器防护帽(23)，所述耦合器防护帽(23)上设有耦合器防护帽安装槽，所述耦合器防护帽(23)上设有耦合器防护帽弹性卡件(25)，所述耦合器防护帽弹性卡件(25)包括耦合器防护帽驱动部(2502)和耦合器防护帽卡接部(2501)，所述耦合器防护帽驱动部(2502)处于所述耦合器防护帽(23)外侧，所述耦合器防护帽安装槽用于与所述耦合器卡接槽(2011)配合形成锁定槽，所述耦合器防护帽弹性卡件(25)处于锁定状态时，所述耦合器防护帽卡接部(2501)部分处于所述耦合器防护帽安装槽内，部分处于所述耦合器卡接槽 (2011)内；所述耦合器防护帽驱动部(2502)用于在外力作用下，驱动所述耦合器防护帽卡接部(2501)完全退回所述耦合器防护帽安装槽内；
    或
    所述耦合器防护帽(23)的外壁上设有耦合器防护帽卡接槽，所述耦合器防护帽卡接槽用于与所述耦合器安装槽配合形成锁定槽。
  12. 根据权利要求11所述的耦合器，其特征在于，所述耦合器卡接部呈具有开口的环状，所述耦合器弹性卡件还包括两耦合器连接部，两所述耦合器连接部分别设于所述开口的两侧，且所述耦合器连接部的一端与所述耦合器驱动部连接，另一端与所述耦合器卡接部的靠近所述开口处的部位连接；
    所述耦合器安装槽包括：
    耦合器环形槽，成型在所述耦合器的内壁上，所述耦合器环形槽与所述连接器卡接槽或所述耦合器防护帽卡接槽形成锁定槽；
    耦合器穿过槽，沿所述耦合器环形槽周向间隔设有两个，且所述耦合器穿过槽与所述耦合器环形槽相通，适合所述耦合器连接部从所述耦合器穿过槽中向外穿出；
    耦合器嵌入槽，由所述耦合器本体的对接端的端面延伸至所述耦合器穿过槽，适合所述耦合器连接部经由所述耦合器嵌入槽进入所述耦合器穿过槽内；
    或
    所述耦合器防护帽卡接部(2501)呈具有开口的环状，所述耦合器防护帽弹性卡件(25)还包括两耦合器防护帽连接部(2503)，两所述耦合器防护帽连接部(2503)分别设于开口的两侧，且所述耦合器防护帽连接部(2503)的一端与所述耦合器防护帽驱动部(2502)连接，另一端与所述耦合器防护帽卡接部(2501)的靠近所述开口处的部位连接；
    所述耦合器防护帽安装槽包括：
    耦合器防护帽环形槽(2301)，成型在所述耦合器防护帽的内壁上，所述耦合器防护帽环形槽(2301)与所述耦合器卡接槽(2011)配合形成锁定槽；
    耦合器防护帽穿过槽(2303)，沿所述耦合器防护帽环形槽(2301)周向间隔设有两个，且所述耦合器防护帽穿过槽(2303)与所述耦合器防护帽 环形槽(2301)相通，适合所述耦合器防护帽连接部(2503)从所述耦合器防护帽穿过槽(2303)中向外穿出；
    耦合器防护帽嵌入槽(2307)，由所述耦合器防护帽的对接端的端面延伸至所述耦合器防护帽穿过槽(2303)，适合所述耦合器防护帽连接部(2503)经由所述耦合器防护帽嵌入槽(2307)进入所述耦合器防护帽穿过槽(2303)内。
  13. 根据权利要求11或12所述的耦合器，其特征在于，所述耦合器本体包括：
    耦合器外端(20)，包括具有外端通腔的耦合器外端主体，以及设置在所述耦合器外端主体的第一端的套管安装腔(2005)，所述耦合器外端主体适于与所述预制连接器或所述耦合器防护帽(23)对接，所述套管安装腔(2005)的一端延伸至所述外端通腔内，另一端延伸至所述外端通腔外；
    耦合器内端(21)，其上具有内端通腔，且所述耦合器内端(21)的第一端与所述耦合器外端(20)的第一端连接时，所述内端通腔适于所述套管安装腔(2005)插入所述内端通腔内，所述耦合器内端(21)的第二端为外螺纹端；
    锁紧螺母(27)，螺纹连接在所述耦合器内端(21)的第二端上。
  14. 根据权利要求13所述的耦合器，其特征在于，还包括设置在所述耦合器内端(21)的第二端上的防松螺母(28)，所述锁紧螺母(27)朝向所述防松螺母(28)的一侧面上设有压缩凸起(2701)。
  15. 根据权利要求13所述的耦合器，其特征在于，所述耦合器外端(20)与所述耦合器防护帽之间设置有密封件。
  16. 根据权利要求13所述的耦合器，其特征在于，所述耦合器外端主体的第一端设置有外端法兰盘(2001)，所述套管安装腔(2005)固设在所述外端法兰盘(2001)上，所述外端法兰盘(2001)上环绕所述套管安装腔(2005)上设有两定位孔(2002)，所述定位孔(2002)适于所述预制连接器的防护内套(7)上的挡板(708)插入；
    所述耦合器内端(21)的第一端设置有内端法兰盘(2101)，通过所述外端法兰盘(2001)与所述内端法兰盘(2101)对接将所述耦合器内端(21)与所述耦合器外端(20)连接一体。
  17. 一种预制连接器组件，其特征在于，包括如权利要求1-9中任一项所述的预制连接器，以及如权利要求10-16中任一项所述的耦合器。
PCT/CN2021/120845 2021-05-26 2021-09-27 预制连接器、耦合器及预制连接器组件 WO2022247080A1 (zh)

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