WO2016184014A1 - 插头防护帽、光纤连接头组件、光纤插头及网络设备 - Google Patents

插头防护帽、光纤连接头组件、光纤插头及网络设备 Download PDF

Info

Publication number
WO2016184014A1
WO2016184014A1 PCT/CN2015/091576 CN2015091576W WO2016184014A1 WO 2016184014 A1 WO2016184014 A1 WO 2016184014A1 CN 2015091576 W CN2015091576 W CN 2015091576W WO 2016184014 A1 WO2016184014 A1 WO 2016184014A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
optical fiber
ferrule
plug
limiting
Prior art date
Application number
PCT/CN2015/091576
Other languages
English (en)
French (fr)
Inventor
阎雄伟
吴文新
王宇亮
黄雪松
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2017559567A priority Critical patent/JP6567085B2/ja
Priority to EP15892392.0A priority patent/EP3285102B1/en
Priority to CA2986483A priority patent/CA2986483C/en
Priority to KR1020177035664A priority patent/KR101964764B1/ko
Publication of WO2016184014A1 publication Critical patent/WO2016184014A1/zh
Priority to US15/817,085 priority patent/US10215929B2/en
Priority to US16/272,081 priority patent/US10527801B2/en

Links

Images

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
    • G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
    • G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
    • 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
    • G02B6/3869—Mounting ferrules to connector body, i.e. plugs
    • G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
    • 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
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3846—Details of mounting fibres in ferrules; Assembly methods; Manufacture with fibre stubs
    • 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
    • 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
    • G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
    • G02B6/3858—Clamping, i.e. with only elastic deformation
    • 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
    • G02B6/3869—Mounting ferrules to connector body, i.e. 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
    • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
    • G02B6/54—Underground or underwater installation; Installation through tubing, conduits or ducts using mechanical means, e.g. pulling or pushing devices
    • G02B6/545—Pulling eyes
    • 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
    • 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
    • G02B6/3816—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres for use under water, high pressure connectors

Definitions

  • the invention relates to a plug protective cap, a fiber optic connector assembly, an optical fiber plug and a network device.
  • the tentacles of optical communication continue to extend from the backbone network to the non-backbone network and the access network.
  • the connection device In the fiber-optic communication link, in order to realize the flexible connection between different modules, devices and systems, the connection device must be used to detachably connect the optical fiber and the optical fiber, so that the optical path can be transmitted according to the required channel.
  • the optical fiber connector has been widely used as an indispensable connecting member in optical communication.
  • connection method commonly used in the prior art is a prefabricated optical fiber connector, and the components such as the ferrule assembly, the spring and the spring tailstock are pre-assembled into a fiber optic assembly having a smaller outer dimension than the connector housing so as to be able to pass.
  • the elongated tube, and after passing through the elongated tube, the fiber optic assembly can be quickly assembled into the connector housing in the field.
  • the object of the present invention is to provide a plug protective cap with anti-torsion protection for protecting the optical fiber connector and avoiding contamination and damage of the fiber connector during the process of wiring through the pipe.
  • the invention also provides an optical fiber plug and a network device.
  • the present invention provides a plug protective cap, comprising: a main body, a connecting sleeve and a traction head, wherein the main body is provided with a receiving cavity, and an end surface of one end of the main body is opened and connected to the receiving cavity The insertion opening is provided; the inner peripheral surface of the receiving cavity is provided with a locking portion near the insertion opening, and the connecting sleeve is detachably sleeved on one end of the main body away from the insertion opening, the connecting sleeve The other end is rotatably coupled to one end of the traction head.
  • the connecting sleeve is provided with openings at opposite ends thereof, wherein an inner circumference of one opening is provided with a first internal thread; and an end of the main body away from the insertion opening is a connecting section, the main body An outer peripheral surface of one end of the insertion opening away from the insertion opening is provided with a first external thread connected to the first internal thread.
  • the outer peripheral edge of one end of the traction head is provided with a first flange, and the connecting sleeve is disposed away from the inner circumference of the other opening of the first internal thread.
  • There is a second flange the first flange is retained with the second flange, and the first flange is rotatable relative to the second flange.
  • the traction head is a columnar body, and an end of the traction head away from the first flange is a pointed head, and is provided with The inside of the end of the first flange is provided with a groove.
  • the locking portion is an internal thread, a hook, a card slot or an elastic protrusion One.
  • the main body is a hollow cylinder with one end closed at one end and a stepped design.
  • the outer circumferential length of one end of the insertion opening is larger than the outer circumferential length of the one end of the main body away from the insertion opening.
  • the traction head is further provided with a perforation.
  • the present invention provides a fiber optic connector assembly, the fiber optic connector assembly comprising a connector, and the plug cap of the first aspect and any one of the possible implementations of the first aspect, the connector Including ferrule, ferrule holder, limit sleeve, spring, tail sleeve and sealing ring;
  • the limiting sleeve includes a receiving cavity, a first insertion interface, a second insertion interface opposite to the first insertion interface, and at least one limiting elastic piece, and the first insertion interface and the second insertion interface are connected to the receiving cavity
  • the at least one limiting elastic piece is disposed on the edge of the second insertion interface and extends parallel to the axial direction of the limiting sleeve, and the sealing ring is sleeved on the end of the limiting sleeve with the second insertion interface on;
  • One end of the limiting sleeve is inserted into the ferrule holder, the spring and the tail sleeve are sleeved on the ferrule, and the ferrule extends through the ferrule holder and the receiving cavity
  • Two plug interface a spring and a part of the tail sleeve are located in the receiving cavity, the spring is connected to the tail sleeve and the receiving cavity; the at least one limiting elastic piece is engaged with the tail sleeve;
  • the plug protective cap is sleeved on one end of the limiting sleeve and is locked with the limiting sleeve by the locking portion, and the receiving cavity receives the ferrule and extends the second a portion of the plug connector, the seal ring for sealing the limit sleeve and the plug protective cap.
  • the outer peripheral surface of the one end of the second socket is provided with a matching portion corresponding to the locking portion, and the engaging portion is an external thread and a card.
  • the engaging portion is an external thread and a card.
  • the inner peripheral surface of the receiving cavity is provided with a resisting flange, and an outer peripheral surface of one end of the tail sleeve is provided with a boss, and the two ends of the spring respectively abut the boss and the abutting flange.
  • the ferrule in conjunction with the second possible implementation of the second aspect, in a third possible implementation manner, includes a connecting body and a head at one end of the connecting body, and the tail sleeve is sleeved on the ferrule And the tail sleeve is provided with one end of the boss at a junction of the head and the connecting body.
  • the limiting elastic piece is two, and the free end of the limiting elastic piece is provided with a hook, and the protruding sleeve is convex.
  • the table is provided with a latching protrusion or a card slot adapted to the hook.
  • the ferrule holder comprises an outer sealing sleeve and an inner pressure ring, the inner pressure ring Adjacent to the inner circumferential surface of the outer sealing sleeve, and the axial length of the inner pressure ring is smaller than the axial length of the outer sealing sleeve.
  • the present invention provides a fiber optic plug
  • the fiber optic plug includes a connector head and a connector housing, and one end of the connector housing is provided with an opening portion
  • the connector includes a ferrule, a ferrule holder, and a limit Position sleeves, springs, tail sleeves and seals,
  • the limiting sleeve includes a receiving cavity, a first insertion interface, a second insertion interface opposite to the first insertion interface, and at least one limiting elastic piece, the first insertion interface and the second insertion interface and the receiving cavity
  • the at least one limiting elastic member is disposed on the edge of the second insertion interface and extends in a direction parallel to the axis of the limiting sleeve, and the sealing ring is sleeved on the limiting sleeve and has a second insertion interface.
  • One end of the limiting socket is inserted into the ferrule holder, and the spring and the tail sleeve are sleeved on the ferrule, and the ferrule passes through the ferrule holder and The receiving cavity protrudes from the second insertion interface; the spring and a partial tail sleeve are located in the receiving cavity, the spring connects the tail sleeve and the receiving cavity; the at least one limiting elastic piece and the tail end Set of cards;
  • One end of the limiting sleeve provided with the second insertion interface is inserted into the connector housing through the opening.
  • a cavity is formed in the connector housing, the connector housing has an opening at one end, and a through hole at the other end, the opening and the The through holes are respectively penetrated from the cavity, and a circumferential surface of the cavity is provided with a groove for receiving the sealing ring sleeved on the limiting sleeve.
  • the connector housing is provided with a protection head at one end of the through hole.
  • the inner circumferential surface of the receiving cavity is provided with a resisting flange, and the outer circumference of one end of the tail sleeve The surface is convexly provided with a boss, and the two ends of the spring respectively abut the boss and the abutting flange.
  • the ferrule in conjunction with the third possible implementation of the third aspect, in a fourth possible implementation manner, includes a connecting body and a head at one end of the connecting body, and the tail sleeve is sleeved on the ferrule And the tail sleeve is provided with one end of the boss at a position where the head is connected with the connecting body.
  • the limiting elastic piece is two, and the free end of the limiting elastic piece is provided with a hook, The boss of the tail sleeve is provided with a latching protrusion or a card slot adapted to the hook.
  • the ferrule holder comprises an outer sealing sleeve and an inner pressure ring, and the inner pressure ring is tight
  • the inner circumferential surface of the outer sealing sleeve is disposed, and the axial length of the inner pressure ring is smaller than the axial length of the outer sealing sleeve.
  • the inner circumferential surface of the receiving cavity of the limiting sleeve is provided with a matching portion, and the matching The portion is one of an external thread, a card slot, a hook or a groove, and the fitting portion can be engaged with the cavity of the connector housing.
  • the present invention provides a network device including an adapter having a fiber optic jack and the fiber optic plug as described in any of the above, the ferrule of the fiber optic plug and the fiber optic plug of the adapter Pick up.
  • the plug protective cap of the present invention covers the connecting end of the end of the optical fiber when the optical fiber is pulled, and realizes rapid traction and protection of the connecting head through the plug protective cap during the pulling process, thereby avoiding external contamination of the connecting head, and is a connecting head.
  • Providing a high degree of IP protection, and the rotatable setting of the traction head of the plug protective cap can reduce the torsional strength, and is suitable for outdoor direct deployment of optical fibers and the insertion of optical fiber plugs into the household. After the scene, it is convenient to unscrew the plug protective cap, which is easy and quick to operate.
  • FIG. 1 is an exploded perspective view showing the structure of a plug protective cap according to a preferred embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of the plug protective cap shown in FIG. 1 after assembly.
  • FIG 3 is a schematic exploded view of the optical fiber connector assembly of the present invention.
  • FIG. 4 is an exploded perspective view of the connector of the fiber optic connector assembly shown in FIG. 3.
  • Figure 5 is a cross-sectional view showing the assembled fiber optic connector assembly shown in Figure 4.
  • Figure 6 is a schematic exploded view showing the structure of the optical fiber plug of the present invention.
  • Fig. 7 is a schematic cross-sectional view showing the connector housing shown in Fig. 6 after assembly.
  • Figure 8 is a schematic cross-sectional view of the optical fiber plug shown in Figure 6 after assembly.
  • the invention provides a fiber optic connector assembly and an optical fiber plug.
  • the fiber optic connector assembly includes a connector and a plug cap.
  • the plug protective cap is used to pull the connector through the tube when the fiber enters the room from the outside, and realize the protection of the ferrule of the connector.
  • the optical fiber plug is used for connecting a fiber to a network device in a network system, the fiber plug includes the connector and the connector housing, and the connector housing is formed on the connector to form a standard with the connector. Fiber optic plug.
  • the plug cap 10 of the present invention includes a main body 11, a connecting sleeve 13, and a traction head 15.
  • a receiving cavity 111 is defined in the main body 11 .
  • An insertion port 112 penetrating the receiving cavity 111 is defined in an end surface of one end of the main body 11.
  • the receiving cavity 111 is provided with a locking portion 113 near the inner circumferential surface of the insertion opening 112.
  • One end of the connecting sleeve 13 is detachably sleeved on one end of the main body 11 away from the insertion opening 112, and the other end of the connecting sleeve 13 is rotatably connected to one end of the traction head 15.
  • the main body 11 is a hollow cylinder which is closed at one end and has a stepped design.
  • the outer circumference of one end of the insertion opening is larger than the outer circumference of the end of the main body 11 away from the insertion opening.
  • the plug protective cap 10 is made of a plastic material.
  • the body 11 is a stepped cylinder that includes a body section 114 and a connecting section 12 that extends from the body section 114.
  • the accommodating chamber 113 has a stepped shape in section, and the diameter of the portion near the insertion opening 112 is larger than the diameter of the portion at the connecting portion 12.
  • the insertion opening 112 is disposed on an end surface of the body segment away from the connecting section 12 .
  • the outer circumference of the body segment 114 is larger than the outer circumference of the connecting portion 12 to facilitate the outer circumferential surface of the connecting sleeve 13 and the body portion 114 after the connecting sleeve 13 is sleeved on the connecting portion 12.
  • the outer peripheral surface forms a complete rounded cylindrical outer peripheral surface.
  • the complete rounded cylindrical outer peripheral surface has a circumferential diameter of 8 mm or less, and can pass through most standard-sized pipes, which facilitates the pipe-piercing operation of the plug protective cap 10.
  • the connecting sleeve 13 is provided with openings 131 at both ends thereof, wherein an inner circumference of one opening 131 is provided with a first internal thread 132; and the main body 11 is away from the other end of the insertion opening 112.
  • the face is provided with a first external thread 121 connected to the first internal thread 132.
  • the first external thread 121 is disposed on an outer circumferential surface of the connecting section 12 .
  • the connecting sleeve 13 is a hollow cylinder.
  • the outer peripheral edge of one end away from the first internal thread 132 is provided with a sloped surface 133.
  • the inclined surface 133 facilitates the smooth insertion of the plug protective cap 10 into the tube during the pipetting operation.
  • the outer periphery of one end of the traction head 15 is provided with a first flange 151, and the connection A second flange 135 is disposed on the inner circumference of the other opening 131 of the sleeve 13 away from the first internal thread 132.
  • the first flange 151 is engaged with the second flange 135 and opposite to the second flange 135.
  • the traction head 15 is a columnar body, and an end of the traction head 15 away from the first flange 151 is a pointed portion 153, and an inner portion of the end of the first flange 151 is provided.
  • a groove 155 is provided.
  • a perforation 156 is provided on the tip end 153 of the traction head 15.
  • the traction head 15 is substantially a rubber cylinder
  • the first flange 151 is disposed around an end edge of the traction head 15, and the groove 155 is disposed on an end surface of the end, and the traction head 15 can be provided.
  • the end portion of the first flange 151 is deformed to provide a space for the first flange 151 to first enter the connecting sleeve 13 from the opening 131 of the connecting sleeve 13.
  • the pointed head 153 is a curved surface, which facilitates the smooth insertion of the plug protective cap 10 into the tube during the pipetting operation.
  • the through hole 156 is a through hole penetrating the traction head 15 for holding the traction rope or the drawbar so that the plug protection cap 10 moves when the pipe protection operation of the plug protection cap 10 is performed.
  • the second flange 135 is disposed around the inner circumference of the opening 131 of the connecting sleeve 13.
  • the traction head 15 can be loaded into the connecting sleeve 13 from the end of the connecting sleeve 13 provided with the first internal thread 132, and the first flange 151 and the second flange 135 are mutually engaged. Holding and rotating each other, the traction head 15 is rotatable relative to the connecting sleeve 13 and the main body 11, and the plug protective cap 10 receives external resistance such as traction during the threading of the plug protective cap 10. A certain torque is generated, and the traction head 15 as the foremost end can be rotated separately, thereby relieving the torsion force and avoiding external torque to loosen the connecting sleeve 13 and the main body 11.
  • the locking portion 113 is one of an internal thread, a hook, a card slot or an elastic protrusion.
  • the locking portion is an internal thread.
  • the locking portion is for locking the plug protective cap to the connector.
  • the fiber optic connector assembly of the present invention includes a connector 20 and the plug cap 10.
  • the connector 20 includes a ferrule 21, a ferrule holder 22, a limiting sleeve 23, a spring 25, a tail sleeve 26 and a sealing ring 28.
  • the limiting sleeve 23 includes a receiving cavity 231 , a first insertion interface 232 , a second insertion interface 233 opposite to the first insertion interface 232 , and at least one limiting elastic piece 24 .
  • the first insertion interface 232 and the second insertion interface 233 are both connected to the receiving cavity 231, and the at least one limiting elastic piece 24 is disposed on the edge of the second insertion interface 233 and is parallel to the limiting sleeve.
  • the axial direction of the 23 is extended, and the sealing ring 28 is sleeved on one end of the limiting sleeve 23 and provided with the second insertion interface 233.
  • One end of the first socket 232 is inserted into the ferrule holder 22 , and the spring 25 and the sleeve 26 are sleeved on the ferrule 21 , and the ferrule 21 is inserted into the ferrule 21 . Passing through the ferrule holder 22 and the accommodating cavity 231, and extending the second insertion port 233; the spring 25 and the partial tail sleeve 26 are located in the accommodating cavity 231, and the spring 25 is connected to the tail sleeve 26 and the receiving cavity 231; the at least one limiting elastic piece 24 is engaged with the tail sleeve 26.
  • the plug protective cap 10 is sleeved on one end of the limiting sleeve 23 and is locked to the end of the second socket 233, and is locked by the locking sleeve 113, and the receiving cavity 111 receives the
  • the ferrule 21 extends out of a portion of the second socket 233, and the sealing ring 28 seals the limiting sleeve 23 and the plug protective cap 10.
  • the sealing ring 28 is used to seal between the connector 20 and the plug protective cap 10 to prevent contamination of the connector 20 by the outside.
  • the invention provides a connector 20 at the end of the fiber when the fiber is pulled, and realizes rapid traction and protection of the connector 20 through the plug protection cap 10 during the traction process, thereby avoiding external contamination of the connector 20 and providing the connector 20
  • the IP protection level is very high, and the plug protective cap 10 has high torsional strength, and is suitable for outdoor direct deployment of the optical fiber and the insertion of the optical fiber plug into the household, and is conveniently rotated on the site after the optical fiber is placed.
  • the lower plug protective cap 10 is simple and quick to operate.
  • the outer peripheral surface of one end of the second socket 233 is provided with a matching portion 234 corresponding to the locking portion 113 , and the engaging portion 234 is externally threaded.
  • the engaging portion 234 is an external thread and is screwed to the locking portion 113 which is formed as an internal thread.
  • the limiting sleeve 23 is a stepped hollow cylinder, and the contour of the receiving cavity 231 is the same as the outer surface contour of the limiting sleeve 23.
  • the first step 2301 is disposed on the outer circumferential surface of the limiting sleeve 23, and the first step 2301 divides the limiting sleeve 23 into a first segment 2302 and a second segment 2303.
  • the diameter of the second section 2303 is larger than the diameter of the first section 2302.
  • a second step 2304 is disposed on an outer circumferential surface of the first segment 2302.
  • the first insertion port 232 is provided on an end surface of the first segment 2301.
  • the second insertion port 233 is disposed on an end surface of the second segment 2303.
  • the first segment 2302 is inserted into the ferrule holder 22, and the outer peripheral surface of the second segment 2303 is provided with the engaging portion 234 formed by an external thread.
  • the second segment 2303 is inserted into the receiving cavity 111 of the plug protective
  • the ferrule holder 22 includes an outer sealing sleeve 221 and an inner pressure ring 222.
  • the inner pressure ring 222 is disposed close to the inner circumferential surface of the outer sealing sleeve 221, and the inner pressure ring 222 is axially long. The degree is smaller than the axial length of the outer seal sleeve 221 .
  • the outer seal sleeve 221 and the inner pressure ring 222 are cylindrical and coaxially disposed.
  • the inner pressure ring 222 and the outer sealing sleeve 221 are simultaneously sleeved on the first section 2302 of the limiting sleeve 23, and the end of the outer sealing sleeve 221 is abutted against the first step 2301.
  • the end of the inner pressure ring 222 abuts against the second step 2303.
  • the inner peripheral surface of the accommodating cavity 231 is provided with a resisting flange 2311, and the outer peripheral surface of one end of the tail sleeve 26 is convexly provided with a boss 261, and the two ends of the spring 25 respectively abut the boss 261 and the abutting flange 2311.
  • the limiting elastic piece 24 is two, and the limiting elastic piece 24 is provided with a hook 241 at a free end thereof, and the corresponding protrusion 261 of the tail sleeve 26 is provided with a holding protrusion.
  • card slot Preferably, the tail sleeve 26 is provided with a card slot corresponding to the hook 241, and the card slot is engaged with the hook 241.
  • the spring 25 is a coil spring.
  • Two limiting elastic pieces 24 are oppositely disposed on the edge of the second insertion interface 233 on the second section 2303.
  • the tail sleeve 26 is a cylinder having a T-shaped cross section, and the hook 241 is provided at a wider end of each of the limiting elastic pieces 24.
  • the limiting elastic piece 24 can define the movement of the ferrule 21 in a direction perpendicular to the axial direction. When the spring 25 is bounced, the limiting elastic piece 24 defines the movement of the tail sleeve along the ferrule 21 to avoid affecting the assembly of the ferrule.
  • the sealing ring 28 is a rubber ring having a circular cross section.
  • the outer circumference of the second section 2303 is provided with a first groove adjacent to the external thread, and the sealing ring is clamped on a first groove is protruded in the first groove.
  • the ferrule 21 includes a connecting body 211 and a head 212 at one end of the connecting body 211.
  • the tail sleeve 26 is sleeved on the ferrule 21 and is disposed at one end of the boss 261 at the head 212. Connected to the connector 212.
  • the optical fiber plug 30 of the present invention includes the connector 20 and the connector housing 40 , and one end of the connector housing 40 is provided with an opening 41 .
  • One end of the limiting sleeve 23 provided with the second insertion port 233 is inserted into the connector housing 40 through the opening portion 41.
  • the second segment 2303 of the limiting sleeve 23 is inserted into the connector housing 40.
  • an internal thread is disposed in the cavity, and the internal thread is screwed with the mating portion of the connector 20 to more stably connect the connector 20 and the connector housing 40.
  • the optical fiber plug 30 of the present invention is suitable for outdoor direct deployment of the optical fiber and the through-tube of the optical fiber. After the optical fiber is disposed, the connector housing 40 is conveniently mounted on the connector 20 for connection with the network device. .
  • a cavity 42 is formed in the connector housing 40 .
  • the connector housing 40 has an opening 41 at one end and a through hole 43 at the other end.
  • the opening 41 and the opening are The holes 43 are connected to the cavity 42 .
  • the inner circumferential surface of the cavity 42 is provided with a groove 401 for receiving the sealing ring 28 sleeved on the limiting sleeve 23 .
  • the groove 401 is engaged with the first groove to clamp the sealing ring 28.
  • the sealing ring 28 effectively seals between the connector 20 and the connector housing 40 to prevent contamination of the connector 20 by the outside.
  • the connector housing 40 is mounted on the connector 30 to form a standard optical fiber plug with the connector 30.
  • the ferrule 21 protrudes from the through hole 43.
  • the optical fiber plug is an SC type optical fiber plug.
  • the connector housing 40 is provided with a protection head 44 at one end of the through hole 43.
  • the protective head 44 is in the form of a cap made of rubber material and can be inserted into the through hole 43 of the connector housing 40.
  • the network device provided by the embodiment of the present invention includes an adapter having an optical fiber insertion interface and the optical fiber plug 30.
  • the ferrule 21 of the optical fiber plug 30 is inserted into the optical fiber insertion interface of the adapter.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

一种插头防护帽（10），包括主体（11）、连接套（13）及牵引头（15）。主体（11）内设有收容腔（111），主体（11）一端的端面上开设有与收容腔（111）贯通的***口（112）。收容腔（111）的内周面靠近***口（112）位置设有锁紧部（113）。连接套（13）的一端可拆卸的套于主体（11）上远离***口（112）的一端，另一端与牵引头（15）的一端可转动的连接。还提供一种光纤连接头组件、光纤插头及网络设备。

Description

插头防护帽、光纤连接头组件、光纤插头及网络设备 技术领域
本发明涉及一种插头防护帽、光纤连接头组件、光纤插头及网络设备。
背景技术
随着光通信在世界范围内快速发展，光通信的触角不断从骨干网向非骨干网及接入网中延伸。在光纤通信链路中，为了实现不同模块、设备和***之间的灵活连接的需要，必须利用连接器件在光纤和光纤之间进行可拆卸连接，这样才能使光路能按所需的通道进行传输，以实现和完成预定或期望的目的和需求。因此，光纤连接器作为光通信中不可缺少的连接部件，得到了广泛的应用。
现有技术中，常见的一种用于连接光纤的入户侧的光纤连接器与室外光纤的连接方式是现场熔接。但是这种连接方式防护等级低，不利于光纤室外布放。为了适合室外布放，现有技术常采用的连接方式是预制光纤连接器，将插芯组件、弹簧和弹簧尾座等部件预先组装成一个外形尺寸小于连接器壳体的光纤组件，以便能够通过细长的管道，并且在通过细长的管道之后，该光纤组件能够在现场快速地组装到连接器壳体中。但是，该种连接方式中，不仅光纤组件穿管抗扭强度不够容易损坏，而且该光纤组件在穿管的过程中防护性不好，只有在插芯头部的一个防尘帽，没有其它防护，不适宜用于泥沙、浸水等户外极端管道环境中。
发明内容
本发明的目的在于提供一种插头防护帽，具有抗扭防护性，用于保护光纤连接头，避免光纤连接头在布线穿管入户过程中避免受到污染及损坏。
本发明还提供一种光纤插头及网络设备。
第一方面，本发明提供一种插头防护帽，所述防护帽包括主体、连接套及牵引头，所述主体内设有收容腔，所述主体一端的端面上开设有与所述收容腔贯通的***口；所述收容腔的内周面靠近所述***口位置设有锁紧部，所述连接套一端可拆卸的套于所述主体上远离所述***口的一端，所述连接套的另一端与所述牵引头的一端可转动的连接。
在第一种可能实现的方式中，所述连接套相对两端均设有开口，其中一个开口的内周缘设有第一内螺纹；所述主体远离***口的一端为连接段，所述主体上远离所述***口的一端的外周面设有与所述第一内螺纹连接的第一外螺纹。
结合第一种可能实现的方式，在第二种可能实现的方式中，所述牵引头的一端外周缘设有第一凸缘，所述连接套远离第一内螺纹的另一个开口内周缘设有第二凸缘，所述第一凸缘与所述第二凸缘卡持，且所述第一凸缘能够相对所述第二凸缘转动。
结合第二种可能实现的方式，在第三种可能实现的方式中，所述牵引头为一柱状体，所述牵引头上远离所述第一凸缘的一端为尖头部，设有所述第一凸缘的端部的内部设有凹槽。
结合第一方面或者第一方面的第一至第三种可能实现的方式，在第四种可能实现的方式中，所述锁紧部为内螺纹、卡钩、卡槽或者弹性凸起中的一种。
结合第一方面或者第一方面的第一至第三种可能实现的方式，在第五种可能实现的方式中，所述主体为一端开口一端封闭且呈阶梯设计的中空柱体，设有所述***口的一端的外周长尺寸大于所述所述主体上远离所述***口的一端的外周长尺寸。
结合第一方面或者第一方面的第一至第三种可能实现的方式，在第六种可能实现的方式中，所述牵引头上还设有穿孔。
第二方面，本发明提供一种光纤连接头组件，所述光纤连接头组件包括连接头以及第一方面及第一方面的任一种可能实现方式中所述的插头防护帽，所述连接头包括插芯、插芯座、限位套、弹簧、尾套及密封圈；
所述限位套包括容纳腔、第一插接口、与第一插接口相对的第二插接口及至少一个限位弹片，所述第一插接口与第二插接口均与所述容纳腔贯通，所述至少一个限位弹片设于所述第二插接口边缘上并向着平行于所述限位套轴心方向延伸，所述密封圈套于所述限位套设有第二插接口的一端上；
所述限位套一端插接于所述插芯座内，所述弹簧与所述尾套套于所述插芯上，所述插芯穿过所述插芯座与容纳腔伸出所述第二插接口；所述弹 簧及部分尾套位于所述容纳腔内，所述弹簧连接所述尾套与所述容纳腔；所述至少一个限位弹片与所述尾套卡持；
所述插头防护帽套于所述限位套设有第二插接口的一端上并通过所述锁紧部与所述限位套锁紧，所述收容腔***述插芯伸出第二插接口的部分，所述密封圈用于密封所述限位套与插头防护帽。
在第二方面的第一种可能实现的方式中，所述限位套设有第二插接口的一端的外周面相对应所述锁紧部设有配合部，所述配合部为外螺纹、卡槽、卡钩或者凹槽中的一种。
结合第二方面或者第二方面的第一种可能实现的方式，在第二种可能实现的方式中，
所述容纳腔内周面设有抵持凸缘，所述尾套一端的外周面设有凸台，所述弹簧两个端部分别抵持所述凸台与所述抵持凸缘上。
结合第二方面的第二种可能实现的方式，在第三种可能实现的方式中，所述插芯包括连接体及位于连接体一端的头部，所述尾套套于所述插芯上，且所述尾套设有所述凸台的一端位于所述头部与所述连接体的连接处。
结合第二方面的第二种可能实现的方式，在第四种可能实现的方式中，所述限位弹片为两个，所述限位弹片自由端设有卡勾，所述尾套的凸台上设有与所述卡勾适配的卡持凸起或者卡槽。
结合第二方面或者第二方面的第一种至第四种可能实现的方式，在第五种可能实现的方式中，所述插芯座包括外密封套及内压环，所述内压环紧贴所述外密封套内周面设置，并且所述内压环轴向长度小于所述外密封套轴向长度。
第三方面，本发明提供一种光纤插头，所述光纤插头包括连接头及连接头壳体，所述连接头壳体一端设置有开口部，所述连接头包括插芯、插芯座、限位套、弹簧、尾套及密封圈，
所述限位套包括容纳腔、第一插接口、与所述第一插接口相对的第二插接口及至少一个限位弹片，所述第一插接口与第二插接口与所述容纳腔贯通，所述至少一个限位弹设于所述第二插接口边缘上并向着平行于所述限位套轴心的方向延伸，所述密封圈套于所述限位套设有第二插接口的一 端上；
所述限位套设有第一插接口的一端插接于所述插芯座内，所述弹簧与所述尾套套于所述插芯上，所述插芯穿过所述插芯座与容纳腔伸出所述第二插接口；所述弹簧及部分尾套位于所述容纳腔内，所述弹簧连接所述尾套与所述容纳腔；所述至少一个限位弹片与所述尾套卡持；
所述限位套设有第二插接口的一端通过所述开口部***所述连接头壳体内。
在第三方面的第一种可能实现的方式中，所述连接头壳体内形成腔体，所述连接头壳体一端为所述开口部，另一端为通孔，所述开口部与所述通孔均与所述腔体贯通，所述腔体内周面设有凹槽，所述凹槽用于收容套于所述限位套的所述密封圈。
结合第三方面或者第三方面的第一种可能实现的方式，在第二种可能实现的方式中，所述连接头壳体在设有通孔一端设置有防护头。
结合第三方面或者第三方面的第一、二种可能实现的方式，在第三种可能实现的方式中，所述容纳腔内周面设有抵持凸缘，所述尾套一端的外周面凸设有凸台，所述弹簧两个端部分别抵持所述凸台与所述抵持凸缘上。
结合第三方面的第三种可能实现的方式，在第四种可能实现的方式中，所述插芯包括连接体及位于连接体一端的头部，所述尾套套于所述插芯上，且所述尾套设有所述凸台的一端位于所述头部与所述连接体连接处。
结合第三方面的第三种或者第四种可能实现的方式，在第四种可能实现的方式中，所述限位弹片为两个，所述限位弹片自由端设有卡勾，所述尾套的凸台上设有与所述卡勾适配的卡持凸起或者卡槽。
结合第三方面或者第三方面的第一至第四种可能实现的方式，在第五种可能实现的方式中，所述插芯座包括外密封套及内压环，所述内压环紧贴所述外密封套内周面设置，并且所述内压环轴向长度小于所述外密封套轴向长度。
结合第三方面或者第三方面的第一至第四种可能实现的方式，在第六种可能实现的方式中，所述限位套的收容腔内周面设有配合部，所述配合 部为外螺纹、卡槽、卡钩或者凹槽中的一种，所述配合部可以与所述连接头壳体的腔体配合。
第四方面，本发明提供一种网络设备，其包括具有光纤插接口的适配器及以上任一中可能实现的所述的光纤插头，所述光纤插头的插芯与所述适配器的光纤插接口插接。
本发明的插头防护帽在牵引光纤时，罩于光纤端部的连接头上，在牵引过程中通过插头防护帽实现快速牵引及对连接头的防护，避免外界污染所述连接头，为连接头提供很高的IP防护等级，并且所述插头防护帽的牵引头可旋转的设置，可降低抗扭强度，适宜于光纤的室外直接布放及光纤插头的穿管入户，在布放完光纤后现场很方便地旋下插头防护帽，操作简单快捷。
附图说明
为了更清楚地说明本发明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，下面描述中的附图仅仅是本发明的一些实施例，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是本发明较佳实施例的插头防护帽结构分解示意图。
图2是图1所示的插头防护帽组装后的截面示意图。
图3是本发明的光纤连接头组件分解结构示意图。
图4是图3所示的光纤连接头组件的连接头的分解示意图。
图5是图4所示的光纤连接头组件组装后的截面示意图。
图6是本发明的光纤插头的结构分解示意图。
图7是图6所示的连接头壳体组装后的截面示意图。
图8是图6所示的光纤插头组装后的截面示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的 范围。
本发明提供一种光纤连接头组件以及光纤插头。所述光纤连接头组件包括连接头及插头防护帽。所述插头防护帽用于在光纤从室外入室内时牵引连接头穿管，并实现对所述连接头的插芯的保护。所述光纤插头用于网络***中光纤与网络设备的连接，所述光纤插头包括所述连接头及连接头壳体，所述连接头壳体罩于所述连接头上与连接头形成标准的光纤插头。
图1示出了一种光纤连接头的插头防护帽结构，如图1所示，本发明的插头防护帽10包括主体11、连接套13及牵引头15。所述主体11内设有收容腔111。所述主体11一端的端面上开设有与所述收容腔111贯通的***口112。所述收容腔111靠近所述***口112的内周面设有锁紧部113。所述连接套13一端可拆卸的套于主体11上远离所述***口112的一端，所述连接套13的另一端与所述牵引头15的一端可转动的连接。
进一步的，所述主体11为一端开口一端封闭且呈阶梯设计的中空柱体，设有所述***口的一端的外周长尺寸大于所述所述主体11上远离所述***口的一端的外周长尺寸。具体的，插头防护帽10由塑料材质制成。所述主体11为阶梯式圆柱体，其包括本体段114及由本体段114延伸的连接段12。所述收纳腔113截面为阶梯状，其靠近***口112部分直径大于位于连接段12部分的直径。所述***口112设于所述本体段远离所述连接段12的端面上。所述本体段114外周长尺寸大于所述连接段12的外周长尺寸，便于在所述连接套13套于所述连接段12后与所述连接套13的外周面以及所述本体段114的外周面形成完整圆滑的圆柱外周面。优选的，所述完整圆滑的圆柱外周面的圆周直径为小于等于8毫米，可以穿过大多标准尺寸的管道，更方便所述插头防护帽10的穿管作业。
请一并参阅图2，进一步的，所述连接套13两端均设有开口131，其中一个开口131的内周缘设有第一内螺纹132；所述主体11远离***口112的另一端外周面设有与所述第一内螺纹132连接的第一外螺纹121。具体的，所述第一外螺纹121设于所述连接段12外周面上。所述连接套13为一中空圆筒，其远离所述第一内螺纹132的一端外周缘设有斜面133，所述斜面133便于所述插头防护帽10的穿管作业时顺利***管内。
进一步的，所述牵引头15的一端外周缘设有第一凸缘151，所述连 接套13远离第一内螺纹132的另一个开口131内周缘设有第二凸缘135，所述第一凸缘151与所述第二凸缘135卡持并相对所述第二凸缘135转动。更进一步的，所述牵引头15为一柱状体，所述牵引头15上远离所述第一凸缘151的一端为尖头部153，设有所述第一凸缘151的端部的内部设有凹槽155。所述牵引头15的尖头部153上设有穿孔156。
具体的，所述牵引头15大致为橡胶圆柱体，所述第一凸缘151围绕牵引头15一端边缘设置，并且所述凹槽155设于该端的端面上，可以为所述牵引头15设有第一凸缘151的端部发生变形提供空间，以备所述第一凸缘151先从连接套13的开口131进入连接套13。所述尖头部153为弧形面，方便所述插头防护帽10的穿管作业时顺利***管内。所述穿孔156为贯穿牵引头15的通孔，用于拴住牵引绳或者牵引杆，以便所述插头防护帽10的穿管作业时拉动插头防护帽10移动。
所述第二凸缘135围绕所述连接套13的开口131内周缘设置。优选的，所述牵引头15可以从所述连接套13的设有第一内螺纹132一端装入所述连接套13内，所述第一凸缘151与所述第二凸缘135相互卡持并且相互转动，进而使所述牵引头15可以相对所述连接套13及主体11转动，在所述插头防护帽10进行穿管的过程中，所述插头防护帽10收到牵引力等外界阻力会产生一定的扭力，而作为最前端的所述牵引头15可单独旋转，进而化解扭力而避免外界扭力使连接套13与主体11松脱。
进一步的，所述锁紧部113为设于内螺纹、卡钩、卡槽或者弹性凸起中的一种。优选的，所述锁紧部为内螺纹。所述锁紧部用于将所述插头防护帽锁紧于所述连接头上。
请参阅图3与图4，本发明的光纤连接头组件包括连接头20以及所述的插头防护帽10。所述连接头20包括插芯21、插芯座22、限位套23、弹簧25、尾套26及密封圈28。所述限位套23包括容纳腔231、第一插接口232、与第一插接口232相对的第二插接口233及至少一个限位弹片24。所述第一插接口232与第二插接口233均与所述容纳腔231贯通，所述至少一个限位弹片24设于所述第二插接口233边缘上并向着平行于所述限位套23轴心的方向延伸，所述密封圈28套于所述限位套23设有第二插接口233的一端上。
所述限位套23设有第一插接口232的一端插接于所述插芯座22内，所述弹簧25与所述尾套26套于所述插芯21上，所述插芯21穿过所述插芯座22与容纳腔231，并伸出所述第二插接口233；所述弹簧25及部分尾套26位于所述容纳腔231内，所述弹簧25连接所述尾套26与所述容纳腔231；所述至少一个限位弹片24与所述尾套26卡持。
所述插头防护帽10套于所述限位套23设有第二插接口233的一端上并通过所述锁紧部113与所述限位套23锁紧，所述收容腔111***述插芯21伸出第二插接口233的部分，所述密封圈28密封所述限位套23与插头防护帽10。所述密封圈28用于实现连接头20与所述的插头防护帽10之间的密封，防止外界对连接头20的污染。
本发明在牵引光纤时在光纤端部设置连接头20，并在牵引过程中通过插头防护帽10实现快速牵引及对连接头20的防护，避免外界污染所述连接头20，为连接头20提供很高的IP防护等级，并且所述插头防护帽10具有较高的抗扭强度，适于光纤的室外直接布放及光纤插头的穿管入户，在布放完光纤后现场很方便地旋下插头防护帽10，操作简单快捷。
请一并参阅图5，进一步的，所述限位套23设有第二插接口233的一端的外周面相对应所述锁紧部113设有配合部234，所述配合部234为外螺纹、卡槽、卡钩或者凹槽中的一种。优选的，所述配合部234为外螺纹，与所述形为内螺纹的锁紧部113螺纹连接。
具体的，所述限位套23为阶梯状的中空圆柱体，所述容纳腔231的轮廓与限位套23外表面轮廓相同。所述限位套23外周面上设有第一台阶2301，第一台阶2301将限位套23分成第一段2302及第二段2303。优选的，所述第二段2303的直径大于所述第一段2302的直径。所述第一段2302外周面上设有第二台阶2304。所述第一段2301的端面设有所述第一插接口232。所述第二段2303的端面上设有所述第二插接口233。所述第一段2302***所述插芯座22内，所述第二段2303外周面设有由外螺纹形成的所述配合部234。所述第二段2303***所述插头防护帽10的收容腔111内。
进一步的，所述插芯座22包括外密封套221及内压环222，所述内压环222紧贴所述外密封套221内周面设置，并且所述内压环222轴向长 度小于所述外密封套221轴向长度。所述外密封套221及内压环222为筒状且同轴设置。所述内压环222与所述外密封套221同时套于所述限位套23的第一段2302上，所述外密封套221的端部与所述第一台阶2301抵持，所述内压环222的端部与所述第二台阶2303抵持。
进一步的，所述容纳腔231内周面设有抵持凸缘2311，所述尾套26一端的外周面凸设有凸台261，所述弹簧25两个端部分别抵持所述凸台261与所述抵持凸缘2311上。更进一步的，所述限位弹片24为两个，所述限位弹片24自由端设有卡勾241，所述尾套26的凸台261上相应所述卡勾241设有卡持凸起或者卡槽。优选的，所述尾套26与所述卡勾241相对应的设有卡槽，卡槽与所述卡勾241卡持。具体的，所述弹簧25为螺旋弹簧。两个限位弹片24相对设置于所述第二段2303上第二插接口233的边缘。所述尾套26为截面呈T形的圆筒，每一限位弹片24较宽的端部设有所述卡勾241。所述限位弹片24可限定插芯21在垂直于轴向的方向的运动，在弹簧25弹开时限位弹片24限定了尾套沿插芯21运动，避免影响插芯的装配。
本实施例中，所述密封圈28为截面呈圆形的橡胶圈。优选的，为了使密封圈28更稳固的装于限位套23上，所述第二段2303外周缘与所述外螺纹相邻的位置设有第一凹槽，所述密封圈卡持于所述第一凹槽内并凸出第一凹槽。
进一步的，所述插芯21包括连接体211及位于连接体211一端的头部212，所述尾套26套于所述插芯21上且设于所述凸台261的一端位于头部212与连接体212连接处。
请参阅图6与图8，本发明的光纤插头30包括所述连接头20及连接头壳体40，所述连接头壳体40的一端设置开口部41。所述限位套23设有第二插接口233的一端通过所述开口部41***所述连接头壳体40内。本实施例中，限位套23的第二段2303***所述连接头壳体40内。本实施例中，优选的，在腔体内设置内螺纹，内螺纹与所述连接头20的配合部螺纹连接，更稳固连接所述连接头20及连接头壳体40。本发明的光纤插头30适宜于光纤的室外直接布放及光纤的穿管入户，在布放完光纤后现场很方便将连接头壳体40装于连接头20上，进行与网络设备里连接。
请参阅图7，进一步的，连接头壳体40内形成腔体42，所述连接头壳体40一端为所述开口部41，另一端为通孔43，所述开口部41与所述通孔43均与所述腔体42贯通，所述腔体42内周面设有凹槽401，所述凹槽401用于收容套于所述限位套23的所述密封圈28。本实施例中，所述凹槽401与所述第一凹槽对合将所述密封圈28夹持。所述密封圈28有效实现连接头20与所述的连接头壳体40之间的密封，防止外界对连接头20的污染。
本实施例中，所述连接头壳体40装于连接头30上与所述连接头30形成标准的光纤插头。所述插芯21伸出所述通孔43。本实施例中，所述光纤插头为SC型光纤插头。
进一步的，所述连接头壳体40在设有通孔43一端设置有防护头44。所述防护头44为橡胶材质制成的帽状，其可***所述连接头壳体40的通孔43内。
本发明实施例提供的网络设备包括具有光纤插接口的适配器及所述的光纤插头30，所述光纤插头30的插芯21与所述适配器的光纤插接口插接。
以上所揭露的仅为本发明较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。

Claims (22)

  1. 一种插头防护帽，其特征在于，所述防护帽包括主体、连接套及牵引头，所述主体内设有收容腔，所述主体一端的端面上开设有与所述收容腔贯通的***口，所述收容腔的内周面靠近所述***口位置设有锁紧部，所述连接套的一端可拆卸的套于所述主体上远离所述***口的一端，所述连接套的另一端与所述牵引头的一端可转动的连接。
  2. 如权利要求1所述的插头防护帽，其特征在于，所述连接套两端均设有开口，其中一个开口的内周缘设有第一内螺纹；所述主体远离所述***口的一端外周面设有与所述第一内螺纹连接的第一外螺纹。
  3. 如权利要求2所述的插头防护帽，其特征在于，所述牵引头的一端外周缘设有第一凸缘，所述连接套远离第一内螺纹的另一个开口内周缘设有第二凸缘，所述第一凸缘与所述第二凸缘卡持，且所述第一凸缘能够相对所述第二凸缘转动。
  4. 如权利要求3所述的插头防护帽，其特征在于，所述牵引头为一柱状体，所述牵引头上远离所述第一凸缘的一端为尖头部，设有所述第一凸缘的端部的内部设有凹槽。
  5. 如权利要求1-4任一项所述的插头防护帽，其特征在于，所述锁紧部为内螺纹、卡钩、卡槽或者弹性凸起中的一种。
  6. 如权利要求1-4任一项所述的插头防护帽，其特征在于，所述主体为一端开口一端封闭且呈阶梯设计的中空柱体，设有所述***口的一端的外周长尺寸大于设有第一外螺纹一端的外周长尺寸。
  7. 如权利要求1-4任一项所述的插头防护帽，其特征在于，所述牵引头上还设有穿孔。
  8. 一种光纤连接头组件，其特征在于，所述光纤连接头组件包括连接头以及权利要求1-7任一项所述的插头防护帽，所述连接头包括插芯、插芯座、限位套、弹簧、尾套及密封圈；
    所述限位套包括容纳腔、第一插接口、与所述第一插接口相对的第二插接口及至少一个限位弹片，所述第一插接口与第二插接口均与所述容纳腔贯通，所述至少一个限位弹片设于所述第二插接口边缘上并向着平行于所述限位套轴心方向延伸，所述密封圈套于所述限位套设有第二插接口的一端上；
    所述限位套一端插接于所述插芯座内，所述弹簧与所述尾套套于所述插芯 上，所述插芯穿过所述插芯座与容纳腔，并伸出所述第二插接口；所述弹簧及部分尾套位于所述容纳腔内，所述弹簧连接所述尾套与所述容纳腔；所述至少一个限位弹片与所述尾套卡持；
    所述插头防护帽套于所述限位套设有第二插接口的一端上并通过所述锁紧部与所述限位套锁紧，所述收容腔***述插芯伸出第二插接口的部分，所述密封圈用于密封所述限位套与插头防护帽。
  9. 如权利要求8所述的光纤连接头组件，其特征在于，所述限位套设有第二插接口的一端的外周面相对应所述锁紧部设有配合部，所述配合部为外螺纹、卡槽、卡钩或者凹槽中的一种。
  10. 如权利要求8或9所述的光纤连接头组件，其特征在于，所述容纳腔内周面设有抵持凸缘，所述尾套一端的外周面设有凸台，所述弹簧两个端部分别抵持所述凸台与所述抵持凸缘上。
  11. 如权利要求10所述的光纤连接头组件，其特征在于，所述插芯包括连接体及位于连接体一端的头部，所述尾套套于所述插芯上，且所述尾套设有所述凸台的一端位于所述头部与所述连接体的连接处。
  12. 如权利要求10所述的光纤连接头组件，其特征在于，所述限位弹片为两个，所述限位弹片自由端设有卡勾，所述尾套的凸台上设有与所述卡勾适配的卡持凸起或者卡槽。
  13. 如权利要求8至12任一项所述的光纤连接头组件，其特征在于，所述插芯座包括外密封套及内压环，所述内压环紧贴所述外密封套内周面设置，并且所述内压环轴向长度小于所述外密封套轴向长度。
  14. 一种光纤插头，其特征在于，所述光纤插头包括连接头及连接头壳体，所述连接头壳体一端设置有开口部，所述连接头包括插芯、插芯座、限位套、弹簧、尾套及密封圈，
    所述限位套包括容纳腔、第一插接口、与所述第一插接口相对的第二插接口及至少一个限位弹片，所述第一插接口与第二插接口与所述容纳腔贯通，所述至少一个限位弹片设于所述第二插接口边缘上并向着平行于所述限位套轴心的方向延伸，所述密封圈套于所述限位套设有第二插接口的一端上；
    所述限位套设有第一插接口的一端插接于所述插芯座内，所述弹簧与所述尾套套于所述插芯上，所述插芯穿过所述插芯座与容纳腔伸出的所述第二插接口；所述弹簧及部分尾套位于所述容纳腔内，所述弹簧连接所述尾套与所述容 纳腔；所述至少一个限位弹片与所述尾套卡持；
    所述限位套设有第二插接口的一端通过所述开口部***所述连接头壳体内。
  15. 如权利要求14所述的光纤插头，其特征在于，所述连接头壳体内部形成腔体，所述连接头壳体一端为所述开口部，另一端为通孔，所述开口部与所述通孔均与所述腔体贯通，所述腔体内周面设有凹槽，所述凹槽用于收容套于所述限位套的所述密封圈。
  16. 如权利要求14或15所述的光纤插头，其特征在于，所述连接头壳体在设有通孔一端设置有防护头。
  17. 如权利要求14～16任一项所述的光纤插头，其特征在于，所述容纳腔内周面设有抵持凸缘，所述尾套一端的外周面凸设有凸台，所述弹簧两个端部分别抵持所述凸台与所述抵持凸缘上。
  18. 如权利要求17所述的光纤插头，其特征在于，所述插芯包括连接体及位于连接体一端的头部，所述尾套套于所述插芯上，且所述尾套设有所述凸台的一端位于所述头部与所述连接体的连接处。
  19. 如权利要求17或18所述的光纤插头，其特征在于，所述限位弹片为两个，所述限位弹片自由端设有卡勾，所述尾套的凸台上设有有与所述卡勾适配的卡持凸起或者卡槽。
  20. 如权利要求14-19任一项所述的光纤插头，其特征在于，所述插芯座包括外密封套及内压环，所述内压环紧贴所述外密封套内周面设置，并且所述内压环轴向长度小于所述外密封套轴向长度。
  21. 如权利要求14-19任一项所述的光纤插头，其特征在于，所述限位套的收容腔内周面设有配合部，所述配合部为外螺纹、卡槽、卡钩或者凹槽中的一种，所述配合部可以与所述连接头壳体的腔体配合。
  22. 一种网络设备，包括具有光纤插接口的适配器及权利要求14-21任一项所述的光纤插头，所述光纤插头的插芯与所述适配器的光纤插接口插接。
PCT/CN2015/091576 2015-05-20 2015-10-09 插头防护帽、光纤连接头组件、光纤插头及网络设备 WO2016184014A1 (zh)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2017559567A JP6567085B2 (ja) 2015-05-20 2015-10-09 プラグ保護キャップ、光ファイバコネクタ組立体、ファイバプラグ、およびネットワークデバイス
EP15892392.0A EP3285102B1 (en) 2015-05-20 2015-10-09 Plug protection cap and optical fiber connector assembly
CA2986483A CA2986483C (en) 2015-05-20 2015-10-09 Plug protection cap, optical fiber connector assembly, fiber plug, and network device
KR1020177035664A KR101964764B1 (ko) 2015-05-20 2015-10-09 플러그 보호 캡, 광섬유 커넥터 조립체, 광섬유 플러그 및 네트워크 장치
US15/817,085 US10215929B2 (en) 2015-05-20 2017-11-17 Plug protection cap, optical fiber connector assembly, fiber plug, and network device
US16/272,081 US10527801B2 (en) 2015-05-20 2019-02-11 Plug protection cap, optical fiber connector assembly, fiber plug, and network device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510260208.1A CN106291826B (zh) 2015-05-20 2015-05-20 插头防护帽、光纤连接头组件、光纤插头及网络设备
CN201510260208.1 2015-05-20

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/817,085 Continuation US10215929B2 (en) 2015-05-20 2017-11-17 Plug protection cap, optical fiber connector assembly, fiber plug, and network device

Publications (1)

Publication Number Publication Date
WO2016184014A1 true WO2016184014A1 (zh) 2016-11-24

Family

ID=57319255

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/091576 WO2016184014A1 (zh) 2015-05-20 2015-10-09 插头防护帽、光纤连接头组件、光纤插头及网络设备

Country Status (7)

Country Link
US (2) US10215929B2 (zh)
EP (1) EP3285102B1 (zh)
JP (1) JP6567085B2 (zh)
KR (1) KR101964764B1 (zh)
CN (1) CN106291826B (zh)
CA (1) CA2986483C (zh)
WO (1) WO2016184014A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3066279A1 (fr) * 2017-05-15 2018-11-16 Kamax Innovative System Fibre optique a extremite d'exploration fonctionnalisee
US11428884B2 (en) 2017-01-05 2022-08-30 Ridgemount Technologies Limited Fibre optic accessory

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109725394B (zh) * 2019-01-11 2020-07-31 国网河北省电力有限公司衡水供电分公司 一种应用于智能变电站保护设备的尾纤安措防尘保护帽
TWM584436U (zh) * 2019-07-03 2019-10-01 大陸商安費諾光纖技術（深圳）有限公司 光纖連接器
TWM584437U (zh) * 2019-07-03 2019-10-01 大陸商安費諾光纖技術（深圳）有限公司 光纖連接器
TWM584435U (zh) * 2019-07-03 2019-10-01 大陸商安費諾光纖技術（深圳）有限公司 光纖連接器
CN110308525A (zh) * 2019-08-07 2019-10-08 清远市亿源通光电科技有限公司 一种牵引式光纤连接器
KR102326928B1 (ko) * 2019-09-25 2021-11-16 유씨엘 주식회사 옥외용 현장조립 방수 광커넥터 플러그 및 이의 현장조립과정
CN110764195A (zh) 2019-10-28 2020-02-07 华为技术有限公司 一种预连接器及通信设备
CN111913255B (zh) * 2020-07-10 2024-06-18 华为技术有限公司 一种光纤插芯模块、光纤插头、光纤适配器和光纤连接器
CN114815099B (zh) * 2022-04-06 2024-05-28 厦门贝莱信息科技有限公司 一种光纤保护装置
GB2622104A (en) * 2022-09-05 2024-03-06 Ridgemount Tech Limited A fibre optic connector body, a kit of parts, a fibre optic connector and use of the same
WO2024113289A1 (zh) * 2022-12-01 2024-06-06 江苏亨通光电股份有限公司 一种入户用细径管道连接器
CN117369057B (zh) * 2023-09-28 2024-05-10 江苏纳光通信科技有限公司 光纤馈通组件及防护方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1333471A (zh) * 2000-07-12 2002-01-30 莫列斯公司 双功能防尘罩
CN101006376A (zh) * 2004-08-24 2007-07-25 康宁光缆***有限责任公司 具有对准和键合机构的光纤插座和插头组件
CN102565956A (zh) * 2010-12-31 2012-07-11 深圳日海通讯技术股份有限公司 一种光纤插头
CN102798941A (zh) * 2012-08-24 2012-11-28 宏安集团有限公司 一种sc型光纤连接头布线保护装置
CN103091792A (zh) * 2011-10-28 2013-05-08 日本航空电子工业株式会社 连接器
US20140086534A1 (en) * 2012-09-27 2014-03-27 Adc Telecommunications, Inc. Ruggedized multi-fiber fiber optic connector with sealed dust cap
CN203895869U (zh) * 2014-06-26 2014-10-22 国家电网公司 变电站二次电缆专用穿线工具

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63271402A (ja) * 1987-04-30 1988-11-09 Toshiba Corp 光フアイバケ−ブルの布設用具
JP3483889B2 (ja) * 1994-06-22 2004-01-06 ザ ウィタカー コーポレーション 組立性向上手段を有する光ファイバコネクタ
JPH09171125A (ja) * 1995-12-19 1997-06-30 Emitsuto Seiko Kk 光コネクタ
US5883995A (en) * 1997-05-20 1999-03-16 Adc Telecommunications, Inc. Fiber connector and adapter
US6190616B1 (en) * 1997-09-11 2001-02-20 Molecular Dynamics, Inc. Capillary valve, connector, and router
US6234683B1 (en) * 1999-09-13 2001-05-22 Stratos Lightwave, Inc. Field repairable hermaphroditic connector
JP4328711B2 (ja) * 2003-12-05 2009-09-09 株式会社精工技研 光コネクタプラグ及び光コネクタ
ATE535976T1 (de) 2004-08-27 2011-12-15 Prysmian Telecom Cables & Systems Australia Pty Ltd System und einrichtung zum befördern von faseroptischem kabel entlang eines durchgangs
US7244066B2 (en) 2005-02-25 2007-07-17 Corning Cable Systems Llc Fiber optic receptacle and plug assembly including alignment sleeve insert
US7220062B2 (en) * 2005-02-28 2007-05-22 Stratos International, Inc. Active bulkhead transceiver
US7785019B2 (en) * 2005-03-10 2010-08-31 Corning Cable Systems Llc Multi-fiber fiber optic receptacle and plug assembly
US7394964B2 (en) * 2005-03-28 2008-07-01 Adc Telecommunications, Inc. Dust plug for hardened fiber optic connector
JP2008233559A (ja) 2007-03-20 2008-10-02 Sumitomo Electric Ind Ltd 光コネクタ付光ファイバケーブル及び該光ファイバケーブルの通線方法、該通線方法に用いる牽引部品及び光コネクタ
GB0718588D0 (en) 2007-09-24 2007-10-31 Tyco Electronics Raychem Nv Cable termination device
US8403570B2 (en) * 2008-04-10 2013-03-26 Amphenol Corporation Plural fiber optic interconnect
CN102066999B (zh) * 2008-04-21 2013-05-29 Adc电信公司 具有通过整体式壳体结合到圆柱形线缆上的连接器主体的硬化光纤连接器
US7621675B1 (en) 2009-02-13 2009-11-24 Ofs Fitel, Llc Single-piece cable retention housing for hardened outside plant connector
TWM387260U (en) * 2010-03-31 2010-08-21 Advanced Connectek Inc Fiber connector
EP2812741A2 (en) * 2012-02-07 2014-12-17 Tyco Electronics Raychem BVBA Cable termination assembly and method for connectors
AU2013266657C1 (en) * 2012-05-22 2017-08-24 Commscope Technologies Llc Ruggedized fiber optic connector
EP3066503A1 (en) * 2013-11-04 2016-09-14 Tyco Electronics Raychem BVBA Fiber optic connector having an optical fiber that is axially moveable within a ferrule
CN203688855U (zh) 2014-02-14 2014-07-02 泰科电子(上海)有限公司 光纤连接器
CN203825235U (zh) 2014-02-14 2014-09-10 泰科电子(上海)有限公司 光纤连接器
BR112017002197B1 (pt) * 2014-08-06 2022-07-12 Prysmian S.P.A Conjunto de conector de fibra óptica, e, cabo de fibra óptica pré-conectorizado

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1333471A (zh) * 2000-07-12 2002-01-30 莫列斯公司 双功能防尘罩
CN101006376A (zh) * 2004-08-24 2007-07-25 康宁光缆***有限责任公司 具有对准和键合机构的光纤插座和插头组件
CN102565956A (zh) * 2010-12-31 2012-07-11 深圳日海通讯技术股份有限公司 一种光纤插头
CN103091792A (zh) * 2011-10-28 2013-05-08 日本航空电子工业株式会社 连接器
CN102798941A (zh) * 2012-08-24 2012-11-28 宏安集团有限公司 一种sc型光纤连接头布线保护装置
US20140086534A1 (en) * 2012-09-27 2014-03-27 Adc Telecommunications, Inc. Ruggedized multi-fiber fiber optic connector with sealed dust cap
CN203895869U (zh) * 2014-06-26 2014-10-22 国家电网公司 变电站二次电缆专用穿线工具

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3285102A4 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11428884B2 (en) 2017-01-05 2022-08-30 Ridgemount Technologies Limited Fibre optic accessory
EP3566086B1 (en) * 2017-01-05 2024-06-12 Ridgemount Technologies Limited Fibre optic accessory
FR3066279A1 (fr) * 2017-05-15 2018-11-16 Kamax Innovative System Fibre optique a extremite d'exploration fonctionnalisee
WO2018211210A1 (fr) * 2017-05-15 2018-11-22 Kamax Innovative System Fibre optique à extrémité d'exploration fonctionnalisée
US11497384B2 (en) 2017-05-15 2022-11-15 Kamax Innovative System Optical fibre with a functionalised exploration end

Also Published As

Publication number Publication date
US20190170947A1 (en) 2019-06-06
US20180081122A1 (en) 2018-03-22
KR101964764B1 (ko) 2019-04-02
EP3285102A1 (en) 2018-02-21
CN106291826A (zh) 2017-01-04
US10527801B2 (en) 2020-01-07
EP3285102A4 (en) 2018-06-20
JP6567085B2 (ja) 2019-08-28
US10215929B2 (en) 2019-02-26
CA2986483C (en) 2022-05-31
CA2986483A1 (en) 2016-11-24
EP3285102B1 (en) 2019-12-11
KR20180008566A (ko) 2018-01-24
JP2018514812A (ja) 2018-06-07
CN106291826B (zh) 2019-05-28

Similar Documents

Publication Publication Date Title
WO2016184014A1 (zh) 插头防护帽、光纤连接头组件、光纤插头及网络设备
US10656344B2 (en) Optical fiber plug, optical fiber adapter, and optical fiber connector assembly
US20220350087A1 (en) Optical fiber connector and method of assembling the same on site
TWI554798B (zh) Fiber optic connectors, fiber optic adapters and fiber optic connectors
US20110188812A1 (en) Optical fiber connector
AU2009347621B2 (en) Pre-connectorized optical fibre cable, and kit for the deployment thereof
WO2016206594A1 (zh) 光纤连接器组件
EP3100091A1 (en) Cable pulling assembly
WO2023173309A1 (zh) 线缆连接结构及线缆防水连接器
WO2020133981A1 (zh) 光纤连接头、光纤适配器及光纤连接器
WO2019184238A1 (zh) 一种连接器、适配器和快速插拔的光纤连接组件
CN219997348U (zh) 防水型光纤连接适配器
BR102014016480B1 (pt) conector para cabo de fibra óptica
KR20130040077A (ko) 호스 연결장치
CN216210052U (zh) 一种lc型光纤连接器尾套气动组装工具
CN220105351U (zh) 防水型光纤连接器
CN211786229U (zh) 一种光纤连接器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15892392

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2017559567

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2986483

Country of ref document: CA

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20177035664

Country of ref document: KR

Kind code of ref document: A