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WO2023245956A1 - 多芯光纤连接器 - Google Patents

多芯光纤连接器 Download PDF

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Publication number
WO2023245956A1
WO2023245956A1 PCT/CN2022/130195 CN2022130195W WO2023245956A1 WO 2023245956 A1 WO2023245956 A1 WO 2023245956A1 CN 2022130195 W CN2022130195 W CN 2022130195W WO 2023245956 A1 WO2023245956 A1 WO 2023245956A1
Authority
WO
WIPO (PCT)
Prior art keywords
main body
stopper
optical fiber
metal piece
connection
Prior art date
Application number
PCT/CN2022/130195
Other languages
English (en)
French (fr)
Inventor
刘丙利
Original Assignee
深圳市埃立康科技有限公司
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 深圳市埃立康科技有限公司 filed Critical 深圳市埃立康科技有限公司
Publication of WO2023245956A1 publication Critical patent/WO2023245956A1/zh

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    • 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

Definitions

  • the present application relates to the technical field of optical fiber communication physical connection, and in particular to a multi-core optical fiber connector.
  • optical fiber connectors are required to connect optical fibers to optical fibers.
  • the ferrule in the multi-core optical fiber connector is connected to multiple optical fiber cables. Depending on the number of optical fiber cables connected to the ferrule, it may have a variety of different specifications (such as 12 cores, 24 cores, etc.), so it can be passed through one Multi-core fiber optic connectors are used to connect multiple fiber optic cables.
  • the fixation and tensile strength of the internal optical fiber in the multi-core optical fiber connector is usually achieved through the crimping between the stopper and the optical fiber connector body.
  • Multi-core optical fiber connectors have average performance in terms of fixation and tensile strength, and can only be used indoors in relatively stable environments.
  • this type of multi-core optical fiber connector is used in complex and changeable outdoor environments, it is easy to Affected by various factors such as weather factors, environmental factors and human factors, the relative movement between the stopper and the multi-core optical fiber connector body may occur, or even the connection between the stopper and the multi-core optical fiber connector body may be broken. If it is opened, it will cause damage to the optical fiber inside the multi-core optical fiber connector, thus affecting the connection accuracy of the optical fiber connection.
  • This application provides a multi-purpose optical fiber connector and an optical fiber adapter to improve the connection stability and connection accuracy of multi-core optical fiber connectors used indoors.
  • the application provides a multi-core optical fiber connector, which is characterized in that it includes a shell, a ferrule, a stopper, a main body and a crimping ring, and a shell, a ferrule, a stopper, a main body and a crimping ring.
  • the housing, stopper, main body and crimping ring are all hollow structures for fiber optic cables to pass through, among which:
  • One end of the ferrule is provided with a plurality of fiber optic jacks, and the fiber optic jacks correspond to the fiber optic cables one by one, so that the plurality of fiber optic cables can be inserted into each fiber optic jack respectively.
  • the ferrule contacts the stopper through an elastic component. The parts are fixed inside the shell, and the shell is used to be tightly connected with the stopper;
  • the stopper and the crimp ring are set separately and located at both ends of the body, where:
  • the connecting component includes a fitting portion adapted to the snap-in portion. When the snap-in portion matches the fitting portion, the stopper The component is connected to the connecting component and restricts the relative movement between the stopper and the connecting component;
  • One end of the crimping ring is crimped to the other end of the main body.
  • the end of the main body away from the stopper is fastened with a metal piece.
  • the metal piece is a hollow structure.
  • One end of the metal piece is partially covered in the main body.
  • the crimping ring is One end is crimped on the metal piece and covers the metal piece to be crimped with the main body, wherein the inner diameter of the end of the crimping ring that is crimped to the metal piece is larger than the inner diameter of the end of the crimping ring away from the metal piece.
  • the engaging portion is at least one protrusion provided along the circumferential direction
  • the fitting portion is at least one groove provided along the circumferential direction to cooperate with the protrusion
  • the engaging portion is at least one groove provided along the circumferential direction, and the fitting portion is at least one protrusion provided along the circumferential direction to cooperate with the groove;
  • each of the plurality of protrusions is spaced apart by a preset distance
  • the mating portion is a plurality of grooves arranged along the circumferential direction
  • the plurality of grooves Each line in is separated by a preset distance
  • each of the plurality of grooves is spaced apart by a preset distance
  • the mating portion is a plurality of protrusions arranged along the circumferential direction
  • the plurality of protrusions Each line is separated by a preset distance.
  • the latching part is at least one buckle provided along the circumferential direction
  • the fitting part is at least one latching hole provided along the circumferential direction to cooperate with the buckle.
  • the heat shrink sleeve covers the end of the main body away from the stopper and is fixedly connected to the main body.
  • the heat shrink sleeve covers the metal parts and the crimping ring.
  • a concave and convex structure is provided on the outer side wall of the metal piece.
  • connection assembly also includes a cover piece and a bottom piece, the bottom piece is fixedly connected to the main body, the cover piece and the bottom piece are snap-connected, and the bottom piece and the cover piece are both provided with mating parts that are adapted to the snap-in parts.
  • the base sheet, the main body and the metal piece are an integrally formed structure, the metal piece is partially embedded in the main body and at least part of the metal piece is exposed, and at least the exposed part of the metal piece is crimped with the crimping ring; or
  • the metal parts are fastened to the main body through threads.
  • the cover is placed on the casing, and the cover and the casing are detachably connected so that the cover can be replaced to adapt to other third-party optical fiber connection equipment.
  • the end face of the end of the ferrule with the optical fiber jack is also provided with a limiting piece, and the limiting piece cooperates with the matching piece on the third-party optical fiber connection device to align the ferrule with the third-party optical fiber connection device for connection.
  • the limiting member includes pins or pin grooves.
  • the elastic component is disposed between the ferrule and the stopper, one end of the elastic component is in contact with the end of the ferrule away from the optical fiber jack, and the other end of the elastic component is in contact with the end of the stopper away from the main body, where , the elastic component includes a spring.
  • a multi-core optical fiber connector which includes a shell, a ferrule, a stopper, a main body and a crimping ring, wherein: one end of the ferrule is provided with a plurality of optical fiber jacks; the stopper and the crimping ring are separated is provided and located at both ends of the main body respectively, wherein: the stopper is provided with a snap-in portion at one end close to the main body, and a connecting component is provided at one end of the main body close to the stopper.
  • the connection component includes a mating portion adapted to the snap-in portion.
  • the cooperation between the clamping part and the mating part can limit the relative movement between the stopper and the connecting component, thereby avoiding damage to the internal optical fiber cable, thereby improving the connection stability of the multi-core optical fiber connector and improving the Connection accuracy;
  • the end of the main body away from the stopper is fixed with a metal piece, one end of the metal piece is partially covered in the main body, and one end of the crimping ring is crimped on the metal piece and covers the metal piece to connect with the main body.
  • the metal part is partially arranged in the main body to support the main body, so that when the crimping ring is connected to the main body through crimping with the metal part, the connection strength between the crimping ring and the main body is increased, thereby improving
  • the connection stability of multi-core fiber optic connectors improves connection accuracy.
  • the stopper and the crimping ring are separately arranged at both ends of the main body, and the stoppers are connected and the metal parts are crimped at both ends respectively, making full use of the space of the main body to improve the connection stability of the multi-core optical fiber connector. and connection strength, thereby improving connection accuracy.
  • Figure 1 is a schematic exploded structural diagram of a multi-core optical fiber connector provided by an embodiment of the present application
  • Figure 2 is a cross-sectional view of a multi-core optical fiber connector provided by an embodiment of the present application
  • Figure 3 is a schematic structural diagram of a stopper of a multi-core optical fiber connector provided by an embodiment of the present application
  • Figure 4 is a schematic structural diagram of a connection component provided by an embodiment of the present application.
  • Figure 5 is a schematic diagram of a cover provided by an embodiment of the present application.
  • Figure 6 is a schematic diagram of another cover provided by an embodiment of the present application.
  • FIG. 1 is a schematic diagram of an exploded structure of a multi-core optical fiber connector provided by an embodiment of the present application.
  • the multi-purpose optical fiber connector includes a shell 1, a ferrule 2, a stopper 4, a main body 5 and a crimping ring 6.
  • the shell 1, the ferrule 2, the stopper 4, the main body 5 and the crimping ring 6 are coaxially arranged.
  • the shell 1, the stopper 4, the main body 5 and the crimping ring 6 are all hollow structures for the optical fiber cable to pass through. . in:
  • One end of the ferrule 2 is provided with a plurality of fiber optic jacks, and the fiber optic jacks correspond to the fiber optic cables one by one, so that multiple fiber optic cables can be inserted into each fiber optic jack respectively.
  • the ferrule 2 is contacted by the elastic component 3 At the stopper 4 and fixed inside the housing 1, the housing 1 is used to be tightly connected with the stopper 4.
  • One end of the ferrule 2 can be provided with multiple fiber optic jacks.
  • the number of fiber optic jacks is consistent with the number of fiber optic cables connected to the multi-core fiber optic connector.
  • One end of the fiber optic cable is inserted into the fiber optic jack to pass through the ferrule. 2.
  • Transmit optical signals with third-party optical fiber connection equipment can be an optical fiber adapter, or other equipment such as a female end or socket that can be connected to a multi-core optical fiber connector.
  • the elastic component 3 is disposed between the ferrule 2 and the stopper 4. One end of the elastic component 3 is in contact with the end of the ferrule 2 away from the optical fiber jack, and the other end of the elastic component 3 is in contact with the stopper. 4 is in contact with one end away from the main body 5 .
  • the setting of the elastic component 3 can push the ferrule 2 when the multi-core optical fiber connector is connected to a third-party optical fiber connection device, so that the ferrule 2 can be connected to the interference connection of the third-party optical fiber connection device, reducing the loss of optical signals and improving the connection accuracy.
  • the elastic component 3 may be a spring.
  • Figure 2 is a cross-sectional view of a multi-core optical fiber connector provided by an embodiment of the present application
  • Figure 3 is a stopper of a multi-core optical fiber connector provided by an embodiment of the present application.
  • Structural diagram As shown in Figures 1 to 3, one end of the stopper 4 away from the main body 5 is provided with connection cards 41 opposite to each other in the circumferential direction. In the specific implementation process, the number of the connection cards 41 can be two, and the two connection cards 41 relative settings.
  • the connection card 41 is provided with a connecting part 42, and the inner wall of the housing 1 is provided with an adapting part 11 that cooperates with the connecting part 42.
  • the housing 1 is tightly connected to the stopper 4 through the cooperation of the connecting part 42 and the adapting part 11. , and when the housing 1 is tightly connected to the stopper 4, the ferrule 2 and the elastic component 3 are both fixed inside the housing 1, that is to say, the housing 1 covers the ferrule 2 and the elastic component 3, and holds the ferrule 2 and the position of the elastic component 3 is fixed.
  • the housing 1 is also provided with a keyway, and the keyway cooperates with the guide groove on the third-party optical fiber connection device to align the ferrule 2 with the third-party optical fiber connection device when the multi-core optical fiber connector is connected to the third-party optical fiber connection device.
  • the connection direction of the third-party optical fiber connection equipment is guided so that the multi-core optical fiber connector and the third-party optical fiber connection equipment can be connected in the correct connection direction to avoid the connection of the ferrule 2 and/or the ferrule 2 due to the wrong connection direction. In case of damage to the optical fiber, the connection accuracy is guaranteed.
  • the stopper 4 and the crimp ring 6 are separately provided and located at both ends of the main body 5 respectively, where:
  • FIG. 4 is a schematic structural diagram of a connection component provided by an embodiment of the present application.
  • the stopper 4 is provided with a snap portion 43 at one end close to the main body 5, and the main body 5 is provided with a connecting component 7 at one end close to the stopper 4.
  • the connection component 7 includes a snap portion 43
  • the adapted fitting portion 71 when the snapping portion 43 matches the fitting portion 71 , the stopper 4 is connected to the connecting component 7 and limits the relative movement between the stopper 4 and the connecting component 7 .
  • the relative movement between the stopper 4 and the connecting component 7 can be restricted, thereby avoiding damage to the optical fiber cable inserted inside the multi-core optical fiber connector. This improves the connection stability of multi-core optical fiber connectors and ensures connection accuracy.
  • the engaging portion 43 is provided along the circumferential direction of the stopper 4 , and the length of the engaging portion 43 is smaller than the circumference of the stopper 4 , and the fitting portion 71 is provided along the circumferential direction on the inner wall of the connecting component 7 above, and the fitting part 71 is adapted to the clamping part 43 and has the same length as the clamping part 43 .
  • the engaging portion 43 is disposed on the stopper 4 along the circumferential direction.
  • the length of the engaging portion 43 is smaller than the circumference of the stopper 4 . That is to say, the engaging portion 43 is not disposed on the stopper 4 along the circumferential direction. not a complete ring, but a discontinuous structure, as shown in Figure 3.
  • the fitting portion 71 adapted to the latch portion 43 is also an interrupted structure, as shown in FIG. 4 .
  • the fitting portion 71 is adapted to the snap-connecting portion 43 and has the same length as the snap-connecting portion 43. The same means that the length of the fitting portion 71 allows for a matching error with the length of the snap-connecting portion 43, and does not necessarily require matching.
  • the length of the portion 71 is completely equal to the length of the engaging portion 43 .
  • the intermittent structure of the fitting portion 71 and the engaging portion 43 can limit the circumferential relative rotation and axial relative rotation between the stopper 4 and the connecting component 7 through the engagement between the engaging portion 43 and the engaging portion 71 .
  • connection between the stopper 4 and the connecting component 7 can be tightened, and the circumferential relative relationship between the stopper 4 and the connecting component 7 can be further restricted. Rotational and axial relative movement, thereby avoiding damage to the optical fiber cable inserted inside the multi-core optical fiber connector due to relative movement between the stopper 4 and the connecting component 7, and improving the connection stability of the multi-core optical fiber connector. , ensuring connection accuracy.
  • One end of the crimping ring 6 is crimped to the other end of the main body 5.
  • the end of the main body 5 away from the stopper 4 is fastened with a metal piece 51.
  • the metal piece 51 is a hollow structure, and one end of the metal piece 51 is partially covered with In the main body 5, one end of the crimping ring 6 is crimped on the metal piece 51 and covers the metal piece 51 to be crimped with the main body 5.
  • the inner diameter of the end of the crimping ring 6 that is crimped to the metal piece 51 is larger than the crimping ring 6.
  • the ring 6 is away from the inner diameter of one end of the metal piece 51 .
  • the metal piece 51 is partially disposed in the main body 5, and the part disposed in the main body 5 supports the main body 5, so that when the crimp ring 6 is connected to the main body through crimping with the metal piece 51, it is not easy to Crush the part of the main body 5 that is crimped with the crimping ring 6 to increase the connection strength between the crimping ring 6 and the main body 5, improve the connection stability of the multi-core optical fiber connector, and ensure the connection accuracy.
  • stopper 4 and the crimping ring 6 are separately provided at both ends of the main body 5.
  • One end restricts the relative movement between the stopper 4 and the connecting component 7 to improve the connection stability, and the other end increases the crimping strength.
  • increase the connection strength make full use of the space of the main body 5, so that there is a larger connection space for tensile and stability settings, improve the connection stability and connection strength of the multi-core optical fiber connector, and thereby improve the connection accuracy.
  • the engaging portion 43 is at least one protrusion provided along the circumferential direction
  • the fitting portion 71 is at least one groove provided along the circumferential direction to cooperate with the protrusion.
  • the number of snapping parts 43 needs to be less than or equal to the number of matching parts 71 .
  • each of the plurality of protrusions is spaced apart by a preset distance
  • the fitting portion 71 is a plurality of grooves arranged along the circumferential direction
  • Each of the plurality of grooves is spaced a preset distance apart.
  • the preset distance between each of the plurality of protrusions in the latch portion 43 can be the same or different, and the preset distance between each of the plurality of grooves in the mating portion 71 can be It can be the same or different, but the specific value needs to be determined according to the position of the protrusion it matches.
  • the engaging portion 43 is at least one groove provided along the circumferential direction
  • the fitting portion 71 is at least one protrusion provided along the circumferential direction to cooperate with the groove.
  • the number of the snap-in parts 43 needs to be greater than or equal to the number of the matching parts 71 .
  • each of the plurality of grooves is spaced apart by a preset distance
  • the fitting portion 71 is a plurality of protrusions arranged along the circumferential direction
  • Each of the plurality of protrusions is spaced a preset distance apart.
  • the preset distance between each of the plurality of grooves in the clamping portion 43 can be the same or different, and the preset distance between each of the plurality of protrusions in the mating portion 71 can be They can be the same or different, but the specific value needs to be determined according to the position of the groove it fits.
  • the engaging portion 43 is at least one buckle provided along the circumferential direction
  • the fitting portion 71 is at least one latching hole provided along the circumferential direction to cooperate with the buckle.
  • the fitting portion 71 can be disposed through the side wall of the main body 5 as a through-clip hole.
  • the number of clip holes needs to be no less than the number of buckles.
  • the above three clamping methods can limit the relative movement between the stopper 4 and the connection component 7 after the stopper 4 and the connection component 7 are fixedly connected, where this relative movement includes the stopper 4 and the connection component 7
  • the relative rotation and relative sliding along the axial direction can avoid damage to the optical fiber cable inserted inside the multi-core optical fiber connector and improve the tensile effect, thereby improving the connection stability of the multi-core optical fiber connector and ensuring Connection accuracy.
  • connection component 7 also includes a cover piece 72 and a bottom piece 73.
  • the bottom piece 73 is fixedly connected to the main body 5.
  • the cover piece 72 and the bottom piece 73 are snap-connected.
  • the bottom piece 73 and the cover piece 72 are Both are provided with a matching portion 71 that matches the latching portion 43 .
  • the connection assembly 7 includes a cover piece 72 and a base piece 73.
  • the bottom sheet 73 can be integrally formed with the main body 5 and fixedly connected.
  • the bottom sheet 73 can also be fixedly connected with the main body 5 in a threaded manner.
  • the bottom sheet 73 can be integrally formed with the main body 5 .
  • the bottom sheet 73 , the main body 5 and the metal piece 51 are an integrally formed structure.
  • the metal piece 51 is partially embedded in the main body 5 and at least part of the metal piece 51 is exposed. At least the exposed part of the metal piece 51 is in crimping contact with the crimping ring 6 .
  • the metal piece 51 can be directly injection molded together with the main body 5 during injection molding, and an integrated molding design can be carried out, so that the metal piece 51 is partially embedded in the main body 5 and partially exposed from the main body 5.
  • the metal piece 51 is exposed The part is crimped with the crimping ring 6.
  • the one-piece injection molding method can improve the fixing strength between the metal part 51 and the main body 5, and further improve the connection between the metal part 51 and the main body 5.
  • the crimping ring 6 is crimped, the crimping strength between the crimping ring 6 and the main body 5 is improved and the tensile effect is improved, thereby improving the connection strength of the multi-core optical fiber connector and ensuring the connection accuracy.
  • the metal piece 51 is fastened to the main body 5 through threads.
  • the bottom sheet 73 can also be designed to be integrally formed with the main body 5, thereby increasing the tightness of the connection between the connecting component 7 and the main body 5 and improving the tensile effect.
  • both the metal piece 51 and the main body 5 may be provided with threads, and the metal piece 51 is connected to the main body 5 through threads.
  • the metal part 51 is provided with external threads, and one end of the main body 5 is provided with internal threads that match the external threads.
  • connection method after the connection is completed, the part of the metal part 51 is located inside the main body 5 , relative to the metal part 51 Internal threads are provided on the main body 5 and external threads are provided on the main body 5. After the connection, the metal piece 51 is connected to the outside of the main body 5.
  • This method can increase the number of parts of the main body 5 for crimping when the crimping ring 6 is crimped. Strength, it is not easy to crush the part of the main body 5 that is crimped with the crimping ring 6, and the connection strength between the crimping ring 6 and the main body 5 is increased, thereby improving the connection stability of the multi-core optical fiber connector and ensuring the connection accuracy.
  • the outer side wall of the metal piece 51 is provided with a concave and convex structure.
  • the concave-convex structure can be a variety of structures such as stripes, knurling, grooves or protrusions.
  • the concave-convex structure can increase the friction between the metal part 51 and the crimping ring 6 when the metal part 51 is pressed against the crimping ring 6, thereby improving the tensile effect between the metal part 51 and the crimping ring 6 and increasing the connection strength, thereby improving connection accuracy.
  • the multi-core optical fiber connector also includes: a heat shrink sleeve 8, which is covered at the end of the main body 5 away from the stopper 4 and is fixedly connected to the main body 5.
  • a heat shrink sleeve 8 which is covered at the end of the main body 5 away from the stopper 4 and is fixedly connected to the main body 5.
  • the heat shrink sleeve 8 covers the metal piece 51 and the crimping ring 6 .
  • the heat shrink sleeve 8 is sheathed from the end of the main body 5 away from the stopper 4 , and is heat-shrunk after the sheathing is completed to be fixedly connected to the main body 5 .
  • the heat shrink sleeve 8 covers both the metal piece 51 and the crimp ring 6, further increasing the crimp strength of the metal piece 51 and the crimp ring 6, and improving the Tensile effect, thereby improving connection accuracy.
  • FIG. 5 is a schematic diagram of a cover provided by an embodiment of the present application
  • FIG. 6 is a schematic diagram of another cover provided by an embodiment of the present application.
  • the multi-core optical fiber connector also includes a cover 9, which is covered on the housing 1, and the cover 9 is detachably connected to the housing 1 to replace the cover 9 to adapt to other third connectors.
  • the cover 9 can be directly covered on the housing 1 and detachably connected to the housing 1.
  • the multi-core optical fiber connector needs to be adapted to third-party optical fiber connection equipment of different manufacturers, it can be covered or detachably connected to the housing 1.
  • the cover 9 is replaced to realize the multi-purpose use of a multi-core optical fiber connector and improve the adaptability of the multi-core optical fiber connector.
  • a limiter 21 is also provided on the end face of the end of the ferrule 2 where the optical fiber jack is provided.
  • the limiter 21 cooperates with a matching piece on the third-party optical fiber connection device to align the ferrule 2 with the third party.
  • Optical fiber connection equipment is used for connection, wherein the limiting member 21 includes a pin or a needle slot. It can be understood that when the limiting member 21 on the ferrule 2 is a pin, the matching member on the third-party optical fiber connection device is a pin slot; when the limiting member 21 on the ferrule 2 is a needle slot, the third-party optical fiber connecting device The mating parts on the fiber optic connection equipment are pins.
  • connection between the multi-core optical fiber connector and the third-party optical fiber connection equipment is positioned, which can reduce the risk of misoperation or incorrect connection position during the connection. reduce the loss of optical signals and improve connection accuracy.
  • the multi-core optical fiber connector can also be covered with a connecting nut 10.
  • the connecting nut 10 can slide back and forth on the main body 5 for fastening with third-party optical fiber connecting equipment.
  • the multi-purpose optical fiber connector also includes a connecting tie 12.
  • One end of the connecting tie 12 is provided with a first ring
  • the other end of the connecting tie 12 is provided with a second ring
  • one end of the connecting tie 11 is provided.
  • the first ring is covered on the tail boot 11, and the other end is covered on the cover 9 through the second ring, so that the tail boot 11 and the cover 9 are connected.
  • the connecting tie 12 can be a nylon tie with better durability or a tie made of other materials such as plastic.
  • a multi-core optical fiber connector which includes a shell, a ferrule, a stopper, a main body and a crimping ring, wherein: one end of the ferrule is provided with a plurality of optical fiber jacks; the stopper and the crimping ring are separated is provided and located at both ends of the main body respectively, wherein: the stopper is provided with a snap-in portion at one end close to the main body, and a connecting component is provided at one end of the main body close to the stopper.
  • the connection component includes a mating portion adapted to the snap-in portion.
  • the cooperation between the clamping part and the mating part can limit the relative movement between the stopper and the connecting component, thereby avoiding damage to the internal optical fiber cable, thereby improving the connection stability of the multi-core optical fiber connector and improving the Connection accuracy;
  • the end of the main body away from the stopper is fixed with a metal piece, one end of the metal piece is partially covered in the main body, and one end of the crimping ring is crimped on the metal piece and covers the metal piece to connect with the main body.
  • the metal part is partially arranged in the main body to support the main body, so that when the crimping ring is connected to the main body through crimping with the metal part, the connection strength between the crimping ring and the main body is increased, thereby improving
  • the connection stability of multi-core fiber optic connectors improves connection accuracy.
  • the stopper and the crimping ring are separately arranged at both ends of the main body, and the stoppers are connected and the metal parts are crimped at both ends respectively, making full use of the space of the main body to improve the connection stability of the multi-core optical fiber connector. and connection strength, thereby improving connection accuracy.

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  • Optics & Photonics (AREA)
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Abstract

一种多芯光纤连接器，包括外壳（1）、插芯（2）、止动件（4）、主体（5）和压接环（6），其中：插芯（2）的一端设置有多个光纤插孔，光纤插孔与光纤线缆一一对应，插芯（2）通过弹性部件（3）抵接于止动件（4）且固定在外壳（1）的内部，外壳（1）用于与止动件（4）紧固连接；止动件（4）和压接环（6）分离设置并且分别位于主体（5）的两端，其中：止动件（4）靠近主体（5）的一端设置有卡接部（43），主体（5）靠近止动件（4）的一端设置有连接组件（7），连接组件（7）包括与卡接部（43）适配的配合部（71）；压接环（6）的一端压接在主体（5）的另一端，其中，主体（5）紧固连接有金属件（51），金属件（51）的一端部分包覆在主体（5）内，压接环（6）的一端压接在金属件（51）上并包覆金属件（51），以与主体（5）压接。将止动件（4）和压接环（6）分离设置在主体（5）的两端，并且两端分别进行止动件（4）的连接与金属件（51）的压接，能够提高室内使用的多芯光纤连接器的连接稳定性和连接精度。

Description

多芯光纤连接器 技术领域
本申请涉及光纤通信物理连接技术领域，尤其涉及一种多芯光纤连接器。
背景技术
在进行光纤连接时，需要通过光纤连接器实现光纤与光纤之间的连接。多芯光纤连接器中的插芯连接了多条光纤线缆，根据插芯所连接的光纤线缆数量的不同可能具有多种不同的规格(例如12芯、24芯等)，因此可以通过一个多芯光纤连接器来实现多条光纤线缆的连接。
目前，对于室内使用的多芯光纤连接器，通常是通过止动件与光纤连接器本体之间的压接来实现多芯光纤连接器对内部光纤的固定和抗拉，但使用这种方式的多芯光纤连接器在固定性和抗拉性上的表现都较为一般，仅能在环境较为稳定的室内使用，当在复杂多变的室外环境使用这种类型的多芯光纤连接器时，容易受到天气因素、环境因素和人为因素等多种因素的影响，导致止动件与多芯光纤连接器本体之间发生相对移动，甚至发生止动件与多芯光纤连接器本体之间的连接断开的情况，进而对多芯光纤连接器内部光纤造成损坏，从而影响到光纤连接的连接精度。
因此，如何提高室内使用的多芯光纤连接器的连接稳定性和连接精度，使之也能适用于室外环境成为亟待解决的技术问题。
发明内容
本申请提供了一种多用光纤连接器和光纤适配器，以提高室内使用的多芯光纤连接器的连接稳定性和连接精度。
第一方面，本申请提供了一种多芯光纤连接器，其特征在于，包括外壳、插芯、止动件、主体和压接环，外壳、插芯、止动件、主体和压接环共轴设置，外壳、止动件、主体和压接环均为中空结构，以供光纤线缆穿过，其中：
插芯的一端设置有多个光纤插孔，光纤插孔与光纤线缆一一对应，以供多条 光纤线缆分别穿入每个光纤插孔内，插芯通过弹性部件抵接于止动件且固定在外壳的内部，外壳用于与止动件紧固连接；
止动件和压接环分离设置并且分别位于主体的两端，其中：
止动件靠近主体的一端设置有卡接部，主体靠近止动件的一端设置有连接组件，连接组件包括与卡接部适配的配合部，当卡接部与配合部配合时，止动件与连接组件连接并限制止动件与连接组件之间的相对移动；
压接环的一端压接在主体的另一端，其中，主体远离止动件的一端紧固连接有金属件，金属件为中空结构，金属件的一端部分包覆在主体内，压接环的一端压接在金属件上并包覆金属件，以与主体压接，其中，压接环与金属件压接的一端的内径大于压接环远离金属件一端的内径。
可选地，卡接部为沿周向设置的至少一条凸起，配合部为沿周向设置的与凸起配合的至少一条凹槽；或者
卡接部为沿周向设置的至少一条凹槽，配合部为沿周向设置的与凹槽配合的至少一条凸起；
当卡接部为沿周向设置的多条凸起时，多条凸起中的每条都间隔预设距离，且当配合部为沿周向设置的多条凹槽时，多条凹槽中的每条都间隔预设距离；
当卡接部为沿周向设置的多条凹槽时，多条凹槽中的每条都间隔预设距离，且当配合部为沿周向设置的多条凸起时，多条凸起中的每条都间隔预设距离。
可选地，卡接部为沿周向设置的至少一个卡扣，配合部为沿周向设置的与卡扣配合的至少一个卡孔。
可选地，还包括：
热缩套管，套覆在主体远离止动件的一端并与主体固定连接，当热缩套管与主体固定连接时，热缩套管包覆金属件和压接环。
可选地，金属件的外侧壁上设置有凹凸结构。
可选地，连接组件还包括盖片和底片，底片与主体固定连接，盖片和底片卡扣连接，底片和盖片上均设置有与卡接部适配的配合部。
可选地，底片、主体和金属件为一体成型结构，金属件部分嵌入主体内且至少露出部分金属件，金属件的至少露出部分与压接环压接；或者
金属件与主体通过螺纹紧固连接。
可选地，还包括：
盖体，套覆在外壳上，且盖体与外壳可拆卸连接，以替换盖体适配其他的第三方光纤连接设备。
可选地，插芯设置有光纤插孔的一端的端面上还设置有限位件，限位件与第三方光纤连接设备上的配合件配合，使插芯对准第三方光纤连接设备进行连接，其中，限位件包括插针或针槽。
可选地，弹性部件设置在插芯和止动件之间，弹性部件的一端与插芯远离光纤插孔的一端抵接，弹性部件的另一端与止动件远离主体的一端抵接，其中，弹性部件包括弹簧。
本申请公开了一种多芯光纤连接器，包括外壳、插芯、止动件、主体和压接环，其中：插芯的一端设置有多个光纤插孔；止动件和压接环分离设置并且分别位于主体的两端，其中：止动件靠近主体的一端设置有卡接部，主体靠近止动件的一端设置有连接组件，连接组件包括与卡接部适配的配合部，通过卡接部与配合部之间的配合，能够限制止动件与连接组件之间的相对移动，进而也能够避免对内部光纤线缆造成损伤，从而提高多芯光纤连接器的连接稳定性，提高连接精度；主体远离止动件的一端固定设置有金属件，金属件的一端部分包覆在主体内，压接环的一端压接在金属件上并包覆金属件，以与主体连接，将金属件的部分设置在主体内，对主体起到支撑作用，使得压接环在通过与金属件的压接实现与主体之间的连接时，增加压接环与主体之间的连接强度，提高多芯光纤连接器的连接稳定性，提高连接精度。将止动件和压接环分离设置在主体的两端，并且两端分别进行止动件的连接与金属件的压接，充分了利用主体的空间来提高多芯光纤连接器的连接稳定性和连接强度，进而提高连接精度。
附图说明
为了更清楚地说明本申请实施例技术方案，下面将对实施例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本申请的一些实施例，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为本申请实施例提供的一种多芯光纤连接器的爆炸结构示意图；
图2为本申请实施例提供的多芯光纤连接器的剖面图；
图3为本申请实施例提供的多芯光纤连接器的止动件的结构示意图；
图4为本申请实施例提供的连接组件的结构示意图；
图5为本申请实施例提供的一种盖体的示意图；
图6为本申请实施例提供的另一种盖体的示意图。
具体实施方式
以下基于实施例对本申请进行描述，但是本申请并不仅仅限于这些实施例。在下文对本申请的细节描述中，详尽描述了一些特定的细节部分，为了避免混淆本申请的实质，公知的方法、过程、部件并没有详细叙述。
此外，本领域普通技术人员应当理解，在此提供的附图都是为了说明的目的，并且附图不一定是按比例绘制的。
除非上下文明确要求，否则整个说明书和权利要求书中的“包括”、“包含”等类似词语应当解释为包含的含义而不是排他或穷举的含义；也就是说，是“包括但不限于”的含义。
在本申请的描述中，需要理解的是，术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性。此外，在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。
请参阅图1，图1为本申请实施例提供的一种多芯光纤连接器的爆炸结构示意图。该多用光纤连接器包括外壳1、插芯2、止动件4、主体5和压接环6。外壳1、插芯2、止动件4、主体5和压接环6共轴设置，外壳1、止动件4、主体5和压接环6均为中空结构，以供光纤线缆穿过。其中：
插芯2的一端设置有多个光纤插孔，光纤插孔与光纤线缆一一对应，以供多条光纤线缆分别穿入每个光纤插孔内，插芯2通过弹性部件3抵接于止动件4且固定在外壳1的内部，外壳1用于与止动件4紧固连接。
插芯2的一端可以设置多个光纤插孔，光纤插孔的数量与该多芯光纤连接器所连接光纤线缆的数量一致，光纤线缆的一端穿入光纤插孔内，以通过插芯2与第三方光纤连接设备进行光信号的传输。其中，第三方光纤连接设备可以是光纤适配器，也可以是其他能够与多芯光纤连接器的母端或插座等设备。
在一实施例中，弹性部件3设置在插芯2和止动件4之间，弹性部件3的一端与插芯2远离光纤插孔的一端抵接，弹性部件3的另一端与止动件4远离主体5的一端抵接。弹性部件3的设置能够在多芯光纤连接器与第三方光纤连 接设备连接时，推动插芯2，使得插芯2能够与第三方光纤连接设备过盈连接，减少光信号的损失，提高连接精度。在具体实施过程中，弹性部件3可以是弹簧。
在一实施例中，请参阅图2和图3，图2为本申请实施例提供的多芯光纤连接器的剖面图，图3为本申请实施例提供的多芯光纤连接器的止动件的结构示意图。如图1至图3中所示，止动件4远离主体5的一端沿周向相对设置有连接卡片41，在具体实施过程中，连接卡片41的数量可以是两个，且两个连接卡片41相对设置。连接卡片41上设置有连接部42，外壳1的内侧壁上设置有与连接部42配合的适配部11，外壳1通过连接部42和适配部11的配合与止动件4紧固连接，并且当外壳1与止动件4紧固连接时，插芯2和弹性部件3都固定在外壳1的内部，也就是说外壳1包覆插芯2和弹性部件3，并对插芯2和弹性部件3的位置进行固定。
在一实施例中，外壳1上还设置有键槽，键槽与第三方光纤连接设备上的导向槽相配合，以在多芯光纤连接器与第三方光纤连接设备进行连接时，对插芯2与第三方光纤连接设备的连接方向进行导向，使多芯光纤连接器与第三方光纤连接设备能以正确的连接方向进行连接，避免出现因连接方向错误对插芯2和/或插芯2内连接的光纤造成损伤的情况，保证连接精度。
如图1中所示，止动件4和压接环6分离设置并且分别位于主体5的两端，其中：
请参阅图4，图4为本申请实施例提供的连接组件的结构示意图。如图1和图4中所示，止动件4靠近主体5的一端设置有卡接部43，主体5靠近止动件4的一端设置有连接组件7，连接组件7包括与卡接部43适配的配合部71，当卡接部43与配合部71配合时，止动件4与连接组件7连接并限制止动件4与连接组件7之间的相对移动。通过卡接部43与配合部71之间的配合，能够限制止动件4与连接组件7之间的相对移动，进而也能够避免对穿插在多芯光纤连接器内部的光纤线缆造成损伤，从而提高多芯光纤连接器的连接稳定性，保证连接精度。
在一实施例中，卡接部43沿止动件4的周向设置，且卡接部43的长度小于止动件4的周长，配合部71沿周向设置在连接组件7的内侧壁上，且配合部71与卡接部43适配且长度与卡接部43的长度相同。卡接部43沿周向设置在止 动件4上，卡接部43的长度小于止动件4的周长，也即是说卡接部43并不是沿周向设置在止动件4上的完整的圆环，而是一个间断的结构，如图3中所示。同样的，与卡接部43适配的配合部71也是一个间断的结构，如图4中所示。并且，配合部71与卡接部43适配且长度与卡接部43的长度相同，相同是指配合部71的长度允许与卡接部43的长度之间存在配合误差，并不一定要求配合部71的长度与卡接部43的长度完全相等。配合部71和卡接部43这种间断的结构能够通过卡接部43与配合部71之间的配合，限制止动件4与连接组件7之间的周向的相对转动和轴向的相对移动，并且卡接部43与配合部71的长度相同也能够使止动件4和连接组件7之间的连接更加紧固，进一步限制止动件4与连接组件7之间的周向的相对转动和轴向的相对移动，从而避免因止动件4和连接组件7之间的相对运动对穿插在多芯光纤连接器内部的光纤线缆造成损伤，提高多芯光纤连接器的连接稳定性，保证连接精度。
压接环6的一端压接在主体5的另一端，其中，主体5远离止动件4的一端紧固连接有金属件51，金属件51为中空结构，金属件51的一端部分包覆在主体5内，压接环6的一端压接在金属件51上并包覆金属件51，以与主体5压接，其中，压接环6与金属件51压接的一端的内径大于压接环6远离金属件51一端的内径。将金属件51部分设置在主体5内，设置在主体5内的部分对主体5起到支撑作用，使得压接环6在通过与金属件51的压接实现与主体之间的连接时，不易将主体5上与压接环6压接的部分压碎，增加压接环6与主体5之间的连接强度，提高多芯光纤连接器的连接稳定性，保证连接精度。
另外，将止动件4和压接环6分离设置在主体5的两端，一端限制止动件4与连接组件7之间的相对移动，提高连接稳定性，另一端则增大压接强度，增加连接强度，充分利用了主体5的空间，使得有更大的连接空间进行抗拉和稳定性的设置，提高了多芯光纤连接器的连接稳定性和连接强度，进而提高连接精度。
在一实施例中，卡接部43为沿周向设置的至少一条凸起，配合部71为沿周向设置的与凸起配合的至少一条凹槽。在具体实施过程中，卡接部43的数量需小于或等于配合部71的数量。
其中，当卡接部43为沿周向设置的多条凸起时，多条凸起中的每条都间隔预设距离，且当配合部71为沿周向设置的多条凹槽时，多条凹槽中的每条都间隔预设距离。卡接部43中多条凸起中的每条凸起之间间隔的预设距离可以相同 也可以不同，配合部71中多条凹槽中的每条凹槽之间间隔的预设距离可以相同也可以不同，但具体数值需要根据与其所配合的凸起的位置确定。
或者，卡接部43为沿周向设置的至少一条凹槽，配合部71为沿周向设置的与凹槽配合的至少一条凸起。在具体实施过程中，卡接部43的数量需大于或等于配合部71的数量。
其中，当卡接部43为沿周向设置的多条凹槽时，多条凹槽中的每条都间隔预设距离，且当配合部71为沿周向设置的多条凸起时，多条凸起中的每条都间隔预设距离。卡接部43中多条凹槽中的每条凹槽之间间隔的预设距离可以相同也可以不同，配合部71中多条凸起中的每条凸起之间间隔的预设距离可以相同也可以不同，但具体数值需要根据与其所配合的凹槽的位置确定。
在另一实施例中，卡接部43为沿周向设置的至少一个卡扣，配合部71为沿周向设置的与卡扣配合的至少一个卡孔。在具体实施过程中，配合部71可以贯穿主体5的侧壁设置，为贯穿卡孔，另外，卡孔的数量需不少于卡扣的数量。
上述三种卡接方式都能够在止动件4与连接组件7固定连接后，限制止动件4与连接组件7之间的相对移动，其中，这个相对移动包括止动件4与连接组件7之间的相对转动以及沿轴向的相对滑动，从而能够避免对穿插在多芯光纤连接器内部的光纤线缆造成损伤并提高抗拉效果，进而提高多芯光纤连接器的连接稳定性，保证连接精度。
在一实施例中，如图4中所示，连接组件7还包括盖片72和底片73，底片73与主体5固定连接，盖片72和底片73卡扣连接，底片73和盖片72上均设置有与卡接部43适配的配合部71。连接组件7包括盖片72和底片73，当止动件4与连接组件7进行连接时，可以将止动件4的卡接部43对准配合部71放置，然后将盖片72与底片73卡扣连接，此时卡接部43与配合部71抵接，连接组件7与止动件4固定连接。
在具体实施过程中，底片73可以与主体5一体成型进行固定连接，底片73也可以与主体5采用螺纹连接的方式固定连接，优选的，可以采用底片73可以与主体5一体成型的方式。
在一实施例中，底片73、主体5和金属件51为一体成型结构，金属件51部分嵌入主体5内且至少露出部分金属件51，金属件51的至少露出部分与压接环6压接。在具体实施过程中，可以在进行注塑时直接将金属件51与主体5一 起进行注塑，进行一体成型的设计，使得金属件51部分嵌入主体5内且有部分露出主体5，金属件51的露出部分与压接环6进行压接，相对于注塑完成后再将金属件51与主体5固定连接而言，一体成型的注塑方式能够提高金属件51与主体5之间的固定强度，进而在与压接环6进行压接时，提高压接环6与主体5之间的压接强度并提高抗拉效果，进而提高多芯光纤连接器的连接强度，保证连接精度。
或者，金属件51与主体5通过螺纹紧固连接。在具体实施过程中，底片73也可以与主体5进行一体成型的设计，从而增加连接组件7与主体5之间的连接紧固性，提高抗拉效果。另外，金属件51和主体5上可以都设置螺纹，金属件51通过螺纹与主体5连接。优选的，金属件51上设置外螺纹，主体5的一端设置与外螺纹匹配的内螺纹，这种连接方式在完成连接后，金属件51的部分位于主体5的内部，相对于在金属件51上设置内螺纹，主体5上设置外螺纹，在连接后金属件51连接在主体5的外部的方案，这种方式在压接环6进行压接时，能够增加主体5进行压接的部位的强度，不易将主体5上与压接环6压接的部分压碎，增加压接环6与主体5之间的连接强度，从而提高多芯光纤连接器的连接稳定性，保证连接精度。
在一实施例中，金属件51的外侧壁上设置有凹凸结构。其中，凹凸结构可以是条纹、滚花、凹槽或者凸起等多种结构。凹凸结构在金属件51与压接环6压接时，能够增大金属件51与压接环6之间的摩擦力，从而提高金属件51与压接环6之间的抗拉效果，增加连接强度，进而提高连接精度。
在一实施例中，如图1中所示，该多芯光纤连接器还包括：热缩套管8，套覆在主体5远离止动件4的一端并与主体5固定连接，当热缩套管8与主体5固定连接时，热缩套管8包覆金属件51和压接环6。
当压接环6完成压接后，热缩套管8自主体5远离止动件4的一端进行套覆，并且在套覆完成后进行热缩，以与主体5固定连接。当热缩套管8与主体5固定连接时，热缩套管8将金属件51和压接环6都套覆在内，进一步增大金属件51与压接环6的压接强度，提高抗拉效果，进而提高连接精度。
在一实施例中，请参阅图5和图6，图5为本申请实施例提供的一种盖体的示意图；图6为本申请实施例提供的另一种盖体的示意图。
如图5和图6中所示，该多芯光纤连接器还包括盖体9，套覆在外壳1上， 且盖体9与外壳1可拆卸连接，以替换盖体9适配其他的第三方光纤连接设备。在具体实施过程中，盖体9可直接套覆在外壳1上，并且与外壳1可拆卸连接，当多芯光纤连接器需要适配不同厂家的第三方光纤连接设备时，可以通过套覆或更换盖体9，来实现一个多芯光纤连接器的多用，提高多芯光纤连接器的适配性。
在一实施例中，插芯2设置有光纤插孔的一端的端面上还设置有限位件21，限位件21与第三方光纤连接设备上的配合件配合，使插芯2对准第三方光纤连接设备进行连接，其中，限位件21包括插针或针槽。可以理解的是，当插芯2上的限位件21为插针时，第三方光纤连接设备上的配合件为针槽；当插芯2上的限位件21为针槽时，第三方光纤连接设备上的配合件为插针。通过限位件21与配合件之间的配合，对多芯光纤连接器与第三方光纤连接设备之间的连接起到定位作用，能够使在连接时减少因为误操作或连接位置不对而带来的光信号的损失，提高连接精度。
在一实施例中，请参考图1，该多芯光纤连接器上还可以套覆有连接螺母10，连接螺母10能够在主体5上来回滑动，用于与第三方光纤连接设备紧固连接，
在一实施例中，请参考图1，该多芯光纤连接器还包括尾套11。尾套11与主体5远离止动件4的一端可拆卸连接，尾套11为中空结构，用于穿过光纤线缆。在具体实施过程中，可以将尾套11套覆在热缩套管8上，从而实现尾套11与主体5之间的可拆卸连接。
请参考图1，该多用光纤连接器还包括连接扎带12，连接扎带12的一端设置有第一圆环，连接扎带12的另一端设置有第二圆环，连接扎带11的一端通过第一圆环套覆在尾套11上，另一端通过第二圆环套覆在盖体9上，对尾套11和盖体9进行连接。通过连接扎带12两端的第一圆环和第二圆环，可以将盖体9与尾套11进行连接，可以将盖体9通过该连接扎带12连接在多芯光纤连接器上，防止盖体9丢失。其中，连接扎带12可以选择耐用性较好的尼龙扎带或其他材料例如塑料的扎带。
本申请公开了一种多芯光纤连接器，包括外壳、插芯、止动件、主体和压接环，其中：插芯的一端设置有多个光纤插孔；止动件和压接环分离设置并且分别位于主体的两端，其中：止动件靠近主体的一端设置有卡接部，主体靠近止动件的一端设置有连接组件，连接组件包括与卡接部适配的配合部，通过卡接部与配 合部之间的配合，能够限制止动件与连接组件之间的相对移动，进而也能够避免对内部光纤线缆造成损伤，从而提高多芯光纤连接器的连接稳定性，提高连接精度；主体远离止动件的一端固定设置有金属件，金属件的一端部分包覆在主体内，压接环的一端压接在金属件上并包覆金属件，以与主体连接，将金属件的部分设置在主体内，对主体起到支撑作用，使得压接环在通过与金属件的压接实现与主体之间的连接时，增加压接环与主体之间的连接强度，提高多芯光纤连接器的连接稳定性，提高连接精度。将止动件和压接环分离设置在主体的两端，并且两端分别进行止动件的连接与金属件的压接，充分了利用主体的空间来提高多芯光纤连接器的连接稳定性和连接强度，进而提高连接精度。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修改或替换都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (11)

  1. 一种多芯光纤连接器，其特征在于，包括外壳(1)、插芯(2)、止动件(4)、主体(5)和压接环(6)，所述外壳(1)、所述插芯(2)、所述止动件(4)、所述主体(5)和所述压接环(6)共轴设置，所述外壳(1)、所述止动件(4)、所述主体(5)和所述压接环(6)均为中空结构，以供光纤线缆穿过，其中：
    所述插芯(2)的一端设置有多个光纤插孔，所述光纤插孔与所述光纤线缆一一对应，以供多条所述光纤线缆分别穿入每个所述光纤插孔内，所述插芯(2)通过弹性部件(3)抵接于所述止动件(4)且固定在所述外壳(1)的内部，所述外壳(1)用于与所述止动件(4)紧固连接；
    所述止动件(4)和所述压接环(6)分离设置并且分别位于所述主体(5)的两端，其中：
    所述止动件(4)靠近所述主体(5)的一端设置有卡接部(43)，所述主体(5)靠近所述止动件(4)的一端设置有连接组件(7)，所述连接组件(7)包括与所述卡接部(43)适配的配合部(71)，当所述卡接部(43)与所述配合部(71)配合时，所述止动件(4)与所述连接组件(7)连接并限制所述止动件(4)与所述连接组件(7)之间的相对移动；
    所述压接环(6)的一端压接在所述主体(5)的另一端，其中，所述主体(5)远离所述止动件(4)的一端紧固连接有金属件(51)，所述金属件(51)为中空结构，所述金属件(51)的一端部分包覆在所述主体(5)内，所述压接环(6)的一端压接在所述金属件(51)上并包覆所述金属件(51)，以与所述主体(5)压接，其中，所述压接环(6)与所述金属件(51)压接的一端的内径大于所述压接环(6)远离所述金属件(51)一端的内径。
  2. 根据权利要求1所述的多芯光纤连接器，其特征在于，所述卡接部(43)为沿周向设置的至少一条凸起，所述配合部(71)为沿周向设置的与所述凸起配合的至少一条凹槽；或者
    所述卡接部(43)为沿周向设置的至少一条凹槽，所述配合部(71)为沿周向设置的与所述凹槽配合的至少一条凸起；
    当所述卡接部(43)为沿周向设置的多条凸起时，所述多条凸起中的每条都 间隔预设距离，且当所述配合部(71)为沿周向设置的多条凹槽时，所述多条凹槽中的每条都间隔预设距离；
    当所述卡接部(43)为沿周向设置的多条凹槽时，所述多条凹槽中的每条都间隔预设距离，且当所述配合部(71)为沿周向设置的多条凸起时，所述多条凸起中的每条都间隔预设距离。
  3. 根据权利要求1所述的多芯光纤连接器，其特征在于，所述卡接部(43)为沿周向设置的至少一个卡扣，所述配合部(71)为沿周向设置的与所述卡扣配合的至少一个卡孔。
  4. 根据权利要求1所述的多芯光纤连接器，其特征在于，还包括：
    热缩套管(8)，套覆在所述主体(5)远离所述止动件(4)的一端并与所述主体(5)固定连接，当所述热缩套管(8)与所述主体(5)固定连接时，所述热缩套管(8)包覆所述金属件(51)和所述压接环(6)。
  5. 根据权利要求1所述的多芯光纤连接器，其特征在于，所述金属件(51)的外侧壁上设置有凹凸结构。
  6. 根据权利要求1所述的多芯光纤连接器，其特征在于，所述连接组件(7)还包括盖片(72)和底片(73)，所述底片(73)与所述主体(5)固定连接，所述盖片(72)和所述底片(73)卡扣连接，所述底片(73)和所述盖片(72)上均设置有与所述卡接部(43)适配的配合部(71)。
  7. 根据权利要求6所述的多芯光纤连接器，其特征在于，所述底片(73)、所述主体(5)和所述金属件(51)为一体成型结构，所述金属件(51)部分嵌入所述主体(5)内且至少露出部分所述金属件(51)，所述金属件(51)的至少露出部分与所述压接环(6)压接；或者
    所述金属件(51)与所述主体(5)通过螺纹紧固连接。
  8. 根据权利要求1所述的多芯光纤连接器，其特征在于，还包括：
    盖体(9)，套覆在所述外壳(1)上，且所述盖体(9)与所述外壳(1)可拆卸连接，以替换所述盖体(9)适配其他的第三方光纤连接设备。
  9. 根据权利要求1所述的多芯光纤连接器，其特征在于，所述插芯(2)设置有光纤插孔的一端的端面上还设置有限位件(21)，所述限位件(21)与所述第三方光纤连接设备上的配合件配合，使所述插芯(2)对准所述第三方光纤连接设备进行连接，其中，所述限位件(21)包括插针或针槽。
  10. 根据权利要求1所述的多芯光纤连接器，其特征在于，所述弹性部件(3)设置在所述插芯(2)和所述止动件(4)之间，所述弹性部件(3)的一端与所述插芯(2)远离所述光纤插孔的一端抵接，所述弹性部件(3)的另一端与所述止动件(4)远离所述主体(5)的一端抵接，其中，所述弹性部件(3)包括弹簧。
  11. 根据权利要求1-10中任一项所述的多芯光纤连接器，其特征在于，所述卡接部(43)沿所述止动件(4)的周向设置，且所述卡接部(43)的长度小于所述止动件(4)的周长，所述配合部(71)沿周向设置在所述连接组件(7)的内侧壁上，且所述配合部(71)与所述卡接部(43)适配且长度与所述卡接部(43)的长度相同。
PCT/CN2022/130195 2022-06-21 2022-11-07 多芯光纤连接器 WO2023245956A1 (zh)

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