WO2015070382A1 - 光纤连接头、光纤适配器及光纤连接器 - Google Patents
光纤连接头、光纤适配器及光纤连接器 Download PDFInfo
- Publication number
- WO2015070382A1 WO2015070382A1 PCT/CN2013/086983 CN2013086983W WO2015070382A1 WO 2015070382 A1 WO2015070382 A1 WO 2015070382A1 CN 2013086983 W CN2013086983 W CN 2013086983W WO 2015070382 A1 WO2015070382 A1 WO 2015070382A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fiber optic
- sleeve
- connector
- fiber
- cavity
- Prior art date
Links
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
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
-
- 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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
- G02B6/3831—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape comprising a keying element on the plug or adapter, e.g. to forbid wrong connection
-
- 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
- G02B6/3869—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
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3891—Bayonet type
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
-
- 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 present invention relates to the field of data communication devices, and in particular, to an optical fiber connector, a fiber adapter, and a fiber connector.
- Fiber optic connectors are used in fiber optic communication systems for connection between fiber optic cables, between fiber optic cables and optoelectronic components, and between optoelectronic components. It precisely pairs the two fiber ends that need to be connected so that the light energy output from the transmitting fiber can be coupled to the receiving fiber to the maximum extent.
- the welding technology is usually used, that is, the fiber end of each household is allocated in the fiber-optic box, and each household is The optical fiber end and the household optical fiber cable are spliced in the fiber-optic fusion splicer, and then the household optical cable is laid to each household.
- an on-site welding is also required, so as to The user terminal boxes of each household are connected, and the above-mentioned welding technology requires a dedicated fiber fusion splicing device, which has high technical requirements for the operator, and the operation process is cumbersome and inconvenient.
- the embodiments of the present invention provide a fiber optic connector, a fiber optic adapter, and an optical fiber connector, which can be plug and play, and solve the cumbersome use of the field fusion in the prior art.
- an embodiment of the present invention provides a fiber optic connector (10) including an optical cable (110), an inner sleeve member (140), and a cavity therein.
- the optical fiber cable (110) extends from the optical fiber.
- the inner sleeve member (140) is fixed at the end to the optical cable (110), and the other end is provided with a sleeve (180), a jacket member (130), and the jacket member (140) sleeve.
- the outer sleeve member (140) is rotatable about an axial direction of the sleeve (180), wherein the sleeve (180) of the inner sleeve member (140) is at least a portion protrudes from the outer casing member (130), An end of the sleeve (180) protruding from the outer side of the outer casing member (130) is provided with an opening such that the end portion of the sleeve (180) has a C-shaped cross section.
- the sleeve (180) has a C-shaped end for connecting a C-shaped plug of the fiber optic adapter (200) that is adapted to the fiber optic connector (100). Slot (2012).
- the opening of the sleeve (180) is for connecting a positioning key (2014) of the fiber optic adapter (200) that is adapted to the fiber optic connector (100).
- the sleeve (180) is configured to connect a slot (2012) of the fiber optic adapter (200) that is adapted to the fiber connector (100), wherein The C-shaped cross section of the end of the sleeve (180) is adapted to the C-shaped cross section of the slot (2012) of the fiber optic adapter (200).
- the opening of the sleeve (180) is flared.
- the flared opening of the sleeve (180) has an opening angle of 10 degrees or more and 30 degrees or less.
- the flared opening of the sleeve (180) has an opening angle of 15 degrees or 22.5 degrees.
- a fiber optic adapter (200) is provided at one end of the fiber optic adapter (200) with a socket (201), the socket (201) is provided with a cavity for housing an optical fiber (2011) and a slot (2012)
- the cavity (2011) is located in the middle of the socket (201), the slot (2012) surrounds the periphery of the cavity (2011), and the socket (201) is provided with a positioning key (2014) ), making the section of the slot (2012) C-shaped.
- the slot (2012) having a C-shaped cross section is for receiving a sleeve of the fiber connector (100) that is adapted to the fiber adapter (200). C-shaped end.
- the positioning key (2014) is for connecting an opening of a sleeve of the fiber optic connector (100) that is adapted to the fiber optic adapter (200).
- the width of the positioning key (2014) is equivalent to the width of the opening of the fiber connector (100).
- a fiber optic connector (10) includes a fiber optic connector (100) and a fiber optic adapter (200), the fiber optic connector (100) including a fiber optic cable (110), an inner sleeve member (140), an interior a cavity is provided, and an optical fiber extending from the optical cable (110) is received in the cavity, and one end of the inner sleeve member (140) is fixed to the optical cable (110), and the other end is provided with a sleeve and a jacket.
- An element (130), the outer casing element (140) is sleeved on an outer side of the inner sleeve element (140), and the outer casing element (140) is rotatable about an axial direction of the sleeve, wherein the inner sleeve element At least a portion of the sleeve of (140) protrudes out of the outer casing member (130), the sleeve protruding from the outer end of the outer casing member (130) is provided with an opening such that the sleeve
- the end section is C-shaped;
- the fiber optic adapter (200) is provided with a socket (201), the socket (201) is provided with a cavity (2011) for accommodating an optical fiber, and a slot (2012), the cavity (2011) is located at the socket (201) the middle of the slot (2012) around the periphery of the cavity (2011) of the socket (201) is provided with positioning key (2014) on, such that the slot (2 Zero U
- the cross section is C-shaped.
- the inner wall of the outer casing member (130) of the optical fiber connector (100) is provided with at least one bump (1304).
- the outer surface of the socket (201) of the fiber optic adapter (200) is provided with at least one chute (2015).
- the fiber connector (100) is inserted into the fiber adapter (200), and the bump (1304) is slidably coupled to the chute (2015).
- the optical fiber connector provided by the embodiment of the present invention realizes the blind insertion of the optical fiber connector by the seamless connection of the C-shaped open sleeve of the optical fiber connector to the C-shaped slot of the optical fiber adapter.
- the operation is simpler, and the plug-and-play of the fiber connector can be realized.
- FIG. 1 is an architecture of a communication network to which an embodiment of the present invention is applied;
- FIG. 2a is a schematic structural view of an optical fiber connector according to an embodiment of the present invention.
- 2b is a schematic structural view of a fiber optic connector according to an embodiment of the present invention.
- FIG. 3 is a schematic structural diagram of an optical fiber connector according to an embodiment of the present invention.
- FIG. 3b is an exploded exploded view of an optical fiber connector according to an embodiment of the present invention.
- 3c is a cross-sectional view of an optical fiber connector according to an embodiment of the present invention.
- 4a is a front projection view of a jacket component according to an embodiment of the present invention.
- 4b is a front projection view of a jacket component according to another embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of a fiber optic adapter according to an embodiment of the present invention.
- FIG. 5b is an exploded exploded view of a fiber optic adapter according to an embodiment of the present invention.
- FIG. 6 is a schematic view showing an opening angle of a fiber optic connector sleeve according to an embodiment of the present invention.
- FIG 1 shows a part of the FTTx optical network.
- the FTTx can be FTTH (Fiber To The Home), FTTC (Fiber To The Curb), or FTTP. ( Fiber To The Premises, fiber to the station), FTTN (Fiber To The Node or Neighborhood), FTTO (Fiber To The Office), or FTTSA (Fiber To The) Service area, fiber to service area).
- the FTTH network includes the feeder link 1, the first 1: N splitter 2, the wiring link 3, and the second 1: N branch.
- the device 4, and at least one branch link 5, in the present invention a fiber optic connector for use in an outdoor environment is suitable for the above-described branch link 5.
- the present invention is exemplified by a type of network of FTTx architecture, other network architectures may employ the present invention.
- the fiber optic connector includes a fiber optic connector 100, a fiber optic connector 300, and a fiber optic adapter 200.
- the fiber connector 100 is connected to another fiber connector 300 through the fiber adapter 200 to implement interconnection of the internal fibers.
- the optical fiber connector 100 includes an optical cable 110, an inner sleeve member 140, and a jacket member 130, as seen from the external structure.
- the inner sleeve member 140 is internally provided with a cavity, the optical fiber extending from the optical cable 110 is received in the cavity, the inner sleeve member 140 is fixed to the optical cable 110, and the other end is provided with a sleeve 180.
- the outer sleeve member 130 is sleeved on the outer side of the inner sleeve member 140, and the outer sleeve member 130 is rotatable about an axial direction of the sleeve 180, wherein at least a portion of the sleeve 180 of the inner sleeve member 140 is convex.
- an end of the sleeve 180 protruding from the outer side of the outer casing member 130 is provided with an opening such that the end portion of the sleeve 180 has a C-shaped cross section.
- the sleeve can be seamlessly connected with the C-shaped slot of the fiber adapter, and the blind insertion of the above-mentioned fiber connector is realized, and the operation is simpler, and the plug-and-play of the fiber connector can be realized.
- the sleeve 180 may be a cylindrical cylinder, or may be an elliptical cylinder, or In other words, the embodiment of the present invention takes the sleeve 180 as a cylindrical cylinder as an example.
- the C-shaped opening of the sleeve 180 is a circular or elliptical shape with a notch when viewed in the opposite direction of the axial direction of the sleeve 180.
- the sleeve 180 has a C-shaped end for connecting the C-shaped slot 2012 of the fiber optic adapter 20 that is adapted to the fiber optic connector 100.
- the opening of the sleeve 180 is used to connect the positioning key 2014 of the fiber optic adapter 200 that is adapted to the fiber optic connector 100.
- the sleeve is used to connect the slot 2012 of the fiber optic adapter 200 that is adapted to the fiber optic connector 100, wherein the end of the sleeve has a C-shaped cross section and the slot 2012 of the fiber optic adapter 200 is C The shape of the section is adapted.
- the opening of the sleeve (180) has a flare shape.
- the opening angle of the flared opening of the sleeve (180) is 10 degrees or more and 30 degrees or less.
- the flared opening of the sleeve (180) has an opening angle of 15 degrees or 22.5 degrees.
- the outer casing member 130 is a stepped circular tube structure having two protruding locking points 1304 on its inner surface (not shown in FIG. 3a, please refer to 1304 in FIGS. 4 and 5).
- the locking point 1304 is engaged with the second chute 2015 (not shown in FIG. 3a, please refer to 2015 in FIG. 5a) on the adapter assembly 210 to realize the locking connection.
- the outer front section of the outer casing member 130 is provided with an arrow alignment mark to indicate the connection and release state of the connector; the rear end has a symmetrical flattened plane, and a vertical shallow groove is provided in the plane to increase the operational hand feeling.
- the fiber optic connector 100 further includes a tail sleeve 120, a ferrule 150, a strap 160, and a connector dust cap 170.
- the outer surface of the connector dust cap 170 is provided with a symmetrical second chute 1704 and is fitted with a 0-shaped sealing ring 172 which is tethered to the main body of the optical fiber connector 100 by a cord 160.
- Figure 3b is an exploded view of the fiber connector
- Figure 3c is a cross-sectional view of the fiber connector. 3b and FIG. 3c, as seen from the internal structure, please refer to FIG. 3b.
- the optical fiber connector 100 includes a sleeve 122, a snap ring 126, a 0-shaped sealing ring 132, a 0-shaped sealing ring 136, a 0-shaped sealing ring 172, and an elastic member. 134. Connector 138. Referring to FIGS. 3a and 3b, in the embodiment of the present invention, the ferrule 150, the connecting member 138, the elastic member 134 and the outer casing member 130 are sequentially sleeved on the optical cable 110.
- the ferrule 150 is sleeved on the optical cable 110.
- the ferrule 150 is a cylindrical shape with a plurality of steps.
- the cable 110 extends through the ferrule 150.
- the ferrule 150 includes opposite ends 150a, 150b, respectively, and the cable 110 is exposed by the ferrule 150 away from the end 150b of the connecting member 138.
- the connecting member 138 is sleeved on the ferrule 150 - the end 150a.
- the inner layer of aramid yarn of the cable 110 is snap-fitted with the connector 138 by a snap ring 126.
- the tail sleeve 120 can be processed first and then placed on the optical cable, or can be cast by integral injection molding.
- the connector 138 includes opposite ends 138a, 138b.
- the connector 138 - end 138a is screwed to one end 150b of the ferrule 150.
- the other end 138b of the connector 138 is fastened to the outer aramid yarn of the cable 110 by a snap ring 126.
- One end 138a of the connecting member 138 is provided with a sealing ring-shaped sealing ring 132 and 136.
- the connector 138 - end 138a includes a shoulder 138c.
- the shoulder 138c is for the elastic member 134.
- the elastic member 134 includes oppositely disposed ends 134a, 134b. One end 134a of the elastic member 134 is adjacent to the one end 138a of the connecting member 138 adjacent to the ferrule 150.
- the elastic member 134 is a spring, and the elastic member 134 is sleeved on the connecting member 138. One end 134a of the resilient member 134 rests against the shoulder 138c of the connector 138.
- the outer casing member 130 includes oppositely disposed ends 130a, 130b.
- the outer sleeve member 130 is sleeved on the connecting member 138 and the ferrule 150.
- the outer sleeve member 130 is slidably connected to the connecting member 138 and abuts against the other end of the elastic member 134.
- 134b, the elastic member 134 It is used to provide the outer casing member 130 with an elastic force in a direction away from the ferrule 150, thereby functioning as a connection preventing lock.
- the inner wall of the other end 130b of the outer casing member 130 is provided with a symmetrical locking point 1304 (see 1304 of Figures 4a and 4b), which is a cylindrical projection.
- the outer casing member 130 is a cylinder having a stepped hole.
- One end 130a of the outer casing member 130 forms a flange 130d inwardly for the other end 134b of the elastic member 134.
- the elastic member 134b is sandwiched between the flange 130d and the shoulder 138c.
- the inner wall of the other end 130b of the outer casing member 130 is provided with two opposite locking points 1304, which are cylindrical projections.
- the number of the locking points 1304 may be a plurality of lively disposed along the circumference of the outer casing member 130.
- the outer surface of the other end 130b of the outer casing member 130 is provided with an arrow alignment mark to indicate the connected and released state of the optical fiber connector 100.
- the outer surface of the outer casing member 130 has a symmetrical flattened plane with vertical shallow grooves in the plane to increase the operational feel.
- the inner sleeve member 140 extends axially along the ferrule 150, and the ferrule 150 is received in the inner sleeve member 140 away from the one end 150b of the connector member 138.
- one end of the inner sleeve member 140 is fixed to a ring, and the collar is sleeved at one end 150b of the ferrule 150.
- the inner sleeve member 140 is provided with a sleeve protruding forwardly, and the sleeve is formed in a "C" shape, protruding from the ceramic ferrule end surface of the ferrule 150 to realize the ferrule protection function and avoiding the light connection.
- the ferrule end face is contaminated by contact with other parts during head insertion and removal, or protects the ferrule from impact damage if it is accidentally dropped.
- the sleeve has a flared opening for positioning the fiber optic connector 200 with the positioning key 2014 on the fiber optic adapter 200 (see Figure 5a). Plugging allows fiber optic connector 100 and fiber optic adapter 200 to achieve accurate alignment.
- the opening angle of the flared opening is greater than or equal to 10 degrees and less than or equal to 30 degrees.
- the opening angle is an angle formed along the axial direction of the sleeve and the edge direction of the louver opening. As shown in FIG. 6, specifically, it may be 10 degrees, 15 degrees, 22.5 degrees, and 30 degrees.
- One end 130b of the outer casing member 130 is secured and sealed to the cable 110 by a sleeve 122.
- the tail sleeve 120 is sleeved on the sleeve 122 and fixed by the snap ring 126 to increase the tensile strength and sealing property of the fiber joint 100.
- the tail sleeve 120 may be processed first and then last, or may be cast by integral injection molding.
- the fiber optic connector 100 includes a connector dust cap 170.
- the connector dust cap 170 is attached to the fiber optic connector 100 by a strap 160.
- the connector head dustproof cap 170 is provided with a connector receiving cavity, and the connector receiving cavity extends axially along the connector dust cap 170.
- the connector receiving cavity receives the ferrule 150 and the inner cavity.
- the connector head dust cap 170 is provided with a 0-shaped seal ring 172.
- the connector head dust cap 170 is provided with at least one first sliding slot 1704, and the number of the sliding slots 1704 should be the locking point 1304 (see Figure 4a for the locking point 1304).
- Figure 4b) is the same.
- the sliding slot 1704 cooperates with the locking point 1304 of the outer casing member 130.
- the sliding slot 1704 has a spiral shape, and the sliding slot 1704 is prevented from the connecting end dust cap 170 along the connecting end.
- the dust cap 170 extends circumferentially, and the extended end of the chute 1704 engages the locking point 1304. In this embodiment, the end of the sliding slot 1704 extends in an arc shape matching the shape of the locking point 1304.
- the outer surface of the connector dust cap 170 is provided with an arrow mark and a "0""1" mark.
- the arrow mark on the outer casing member 130 should be aligned.
- the arrow of the connector head dust cap 170 is identified, and when the direction is "0", the fiber connector 100 is in a locked state; when the direction is "1", the fiber connector 100 is loose. Open state, the above use double The locking method ensures long-term reliability of the optical performance of the fiber optic connector.
- the ferrule 150 and the inner sleeve member 140 are inserted into the receiving cavity.
- the locking point 1304 of the optical fiber connector 100 slides into the sliding slot 1704 of the connector dust cap 170, and rotates the connector dust cap 170 in a direction from "1" to "0", so that The locking point 1304 slides to the end of the chute 1704 to effect a lock.
- the fastening of the connector dust cap 170 to the fiber connector 100 is completed by the above operation.
- 4a and 4b are front projection views of the fiber optic connector 100 showing the internal snap unlocking structure of the fiber optic connector 100.
- 4a is an internal unlocking structure when the ferrule 150 does not have a latching wing, wherein the left side (a) of FIG. 4a is an initial state of the internal buckle of the optical fiber connector 100, and the right side (b) is the optical fiber connector 100.
- the internal snap lock is locked.
- 4b is an internal unlocking structure when the ferrule 150 is provided with a locking wing, wherein the left side (a) of FIG. 4b is an initial state of the internal buckle of the optical fiber connector 100, and the right side (b) is the optical fiber connector 100.
- the internal snap lock is locked.
- the inner surface of the outer casing member 130 has an inclined boss 1302.
- the oblique projection 1302 avoids the locking wings 1502 on the ferrule 150.
- the latching wings 1502 are fastened to the card position on the socket 201 (see FIG. 5a) to achieve connection locking.
- the ferrule 150 without the locking wings can also be used. At this time, there is no responsive oblique boss on the inner surface of the outer casing member 130.
- two symmetric locking points 1304 of the inner surface of the outer casing member 130 are engaged with two symmetric second sliding grooves 2015 (see FIG. 5a) on the outer surface of the socket 201 (see FIG. 5a) to achieve a double locking connection.
- the outer casing member 130 is rotated to transition from the state of the left (a) of Figure 4b to the state of the right (b).
- the ferrule 150 The upper latching wings 1502 are depressed by the angled projections 1302 of the outer casing member 130 to complete the snap unlocking.
- the two symmetrical locking points 1304 of the inner surface of the outer casing member 130 are also unscrewed from the two symmetrical second chutes 2015 of the outer surface of the socket 201, and the fiber connector 100 can be pulled out from the fiber optic adapter 200. Out.
- the outer casing member 130 can be rotated by 45 degrees to complete the locking and unlocking process of the connector.
- a stop post 1504 is formed on the ferrule 150
- a left and right limit stop 1306 is designed on the outer casing member 130.
- Fig. 5a is a schematic structural view of a fiber optic adapter 200.
- Figure 5b is an exploded view of the fiber optic adapter 200. As shown in Figures 5a and 5b, one end of the fiber optic adapter 200 is provided with a socket 201.
- the other end of the optical fiber adapter 200 may further be provided with a socket 202, and the two sockets 201 and 202, and the ceramic sleeve 212 placed at the center thereof, may be ultrasonically welded together.
- the socket 201 is provided with a cavity 2011 and a slot 2012.
- the cavity 2011 is located in the middle of the socket 201, and the cavity 2011 and the slot 2012 extend axially along the socket 201.
- the slot 2012 surrounds the periphery of the cavity 2011.
- the cavity 2011 cooperates with the ferrule 150, the slot 2012 cooperates with the inner sleeve element 140, and the slot 2012 is provided with a positioning key 2014, and the positioning key 2014 is along the
- the socket 201 extends in a strip direction in the axial direction, so that the cross section of the slot 2012 is formed in a C shape, and is seamlessly connected with the sleeve having a C-shaped opening in the optical fiber connector, thereby realizing the blind insertion of the above-mentioned optical fiber connector, and the operation is more Simple and easy to use, plug and play fiber optic connectors.
- the C-shaped slot 2012 When viewed along the opposite direction of the axial direction of the socket 201, the C-shaped slot 2012 is notched Round or oval.
- the C-shaped inner sleeve member cooperates with the positioning key 2014 and is inserted into the slot 2012.
- the sockets 201 and 202 are cylindrical.
- the cavity 210 is a square cavity or a circular cavity.
- the slot 2012 is a C-shaped slot.
- the slot 2012 having a C-shaped cross section is for receiving the C-shaped end of the sleeve 180 of the fiber optic connector 100 that is adapted to the fiber optic adapter 200.
- the locating key 2014 is used to connect the opening of the sleeve of the fiber optic connector 100 that is mated with the fiber optic adapter 200.
- the width of the positioning key 2014 is equivalent to the opening width of the sleeve 180 of the fiber optic connector 100.
- a second chute 2015 is formed on the outer periphery of the optical fiber socket 201.
- the chute 2015 has a spiral shape, and the chute 2015 extends from the end of the socket 201 along the circumference of the socket, and The extended end of the chute 2015 engages the locking point 1304.
- the chute 2015 has the same shape as the chute 1704 (see FIG. 3a) of the connector dust cap 170.
- the fiber optic adapter 200 includes a 0-shaped seal ring 222, a lock nut 220, a 0-shaped seal ring 240, a socket body 210, and a ceramic sleeve 212.
- the O-ring 240, the lock nut 220, and the O-ring 222 are sequentially sleeved on the socket body 210, and the ceramic sleeve 212 is inserted into the other end of the socket body 210.
- the sealing ring 222 is fastened.
- the fiber optic adapter 200 includes an adapter dust cap 230.
- the adapter dust cap 230 is provided with an adapter receiving cavity for receiving the fiber optic adapter 200, and the receiving cavity is used when the fiber optic adapter 200 is inserted into the device.
- the socket 201 is housed in the dust cap 230.
- the flared opening of the sleeve on the inner sleeve member 140 is inserted into the positioning key 2014 on the slot, and the inner sleeve member 140 is inserted.
- the slot 2012 is such that the ferrule 150 is inserted into the cavity 2011, and the fiber connector is locked.
- the point 1304 is slid into the chute 2015 of the fiber optic adapter, and the fiber optic socket 201 is rotated such that the locking point 1304 is slid to the end of the chute 2015 to achieve locking.
- the optical fiber connector provided by the embodiment of the present invention realizes the blind insertion of the optical fiber connector by seamlessly connecting the C-shaped open sleeve of the optical fiber connector to the C-shaped slot of the optical fiber adapter. The operation is simpler, and the plug-and-play of the fiber connector can be realized.
- the fiber optic connector provided by the embodiment of the present invention also achieves the highest level of waterproof rating.
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Abstract
Description
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Priority Applications (17)
Application Number | Priority Date | Filing Date | Title |
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KR1020187030430A KR102067453B1 (ko) | 2013-11-12 | 2013-11-12 | 광섬유 조인트, 광섬유 어댑터 및 광섬유 접속기 |
KR1020167014631A KR101912411B1 (ko) | 2013-11-12 | 2013-11-12 | 광섬유 조인트, 광섬유 어댑터 및 광섬유 접속기 |
MX2015005893A MX342434B (es) | 2013-11-12 | 2013-11-12 | Junta de fibra optica, adaptador de fibra optica y conector de fibra optica. |
EP18169537.0A EP3418786B1 (en) | 2013-11-12 | 2013-11-12 | Optical fiber joint and optical fiber connector |
CA2885821A CA2885821C (en) | 2013-11-12 | 2013-11-12 | Optical fiber joint, optical fiber adapter and optical fiber connector |
CN201710843141.3A CN107656339B (zh) | 2013-11-12 | 2013-11-12 | 光纤连接头、光纤适配器及光纤连接器 |
PL18169537T PL3418786T3 (pl) | 2013-11-12 | 2013-11-12 | Złącze światłowodowe i łącznik światłowodowy |
EP13823910.8A EP2894501B1 (en) | 2013-11-12 | 2013-11-12 | Optical fibre joint and optical fibre connector |
AU2013304616A AU2013304616B2 (en) | 2013-11-12 | 2013-11-12 | Optical fiber joint, optical fiber adapter and optical fiber connector |
CN201380002934.2A CN105339822B (zh) | 2013-11-12 | 2013-11-12 | 光纤连接头、光纤适配器及光纤连接器 |
BR112016010663-6A BR112016010663B1 (pt) | 2013-11-12 | 2013-11-12 | Junta de fibra óptica, adaptador de fibra óptica e conector de fibra óptica |
ES18169537T ES2801330T3 (es) | 2013-11-12 | 2013-11-12 | Unión de fibra óptica y conector de fibra óptica |
JP2015546824A JP5977459B2 (ja) | 2013-11-12 | 2013-11-12 | 光ファイバージョイント、光ファイバーアダプタ、および光ファイバーコネクタ |
RU2016122887A RU2644027C2 (ru) | 2013-11-12 | 2013-11-12 | Волоконно-оптический разъем, волоконно-оптический адаптер и волоконно-оптический коннектор |
US14/191,174 US9557493B2 (en) | 2013-11-12 | 2014-02-26 | Optical fiber joint, optical fiber adapter and optical fiber connector |
TW103114092A TWI554798B (zh) | 2013-11-12 | 2014-04-17 | Fiber optic connectors, fiber optic adapters and fiber optic connectors |
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PCT/CN2013/086983 WO2015070382A1 (zh) | 2013-11-12 | 2013-11-12 | 光纤连接头、光纤适配器及光纤连接器 |
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US14/191,174 Continuation US9557493B2 (en) | 2013-11-12 | 2014-02-26 | Optical fiber joint, optical fiber adapter and optical fiber connector |
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BR (1) | BR112016010663B1 (zh) |
CA (1) | CA2885821C (zh) |
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Also Published As
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CA2885821A1 (en) | 2015-05-12 |
EP3418786B1 (en) | 2020-04-29 |
MX2015005893A (es) | 2015-09-10 |
JP5977459B2 (ja) | 2016-08-24 |
EP2894501B1 (en) | 2018-05-02 |
KR101912411B1 (ko) | 2018-10-26 |
KR20180117735A (ko) | 2018-10-29 |
EP2894501A4 (en) | 2015-11-25 |
BR112016010663B1 (pt) | 2019-03-26 |
US9557493B2 (en) | 2017-01-31 |
KR20160083044A (ko) | 2016-07-11 |
KR102067453B1 (ko) | 2020-01-17 |
AU2013304616A1 (en) | 2015-05-28 |
JP2015537255A (ja) | 2015-12-24 |
CN107656339A (zh) | 2018-02-02 |
CN107656339B (zh) | 2019-08-13 |
US20150260926A1 (en) | 2015-09-17 |
RU2644027C2 (ru) | 2018-02-07 |
PL3418786T3 (pl) | 2020-11-02 |
RU2016122887A (ru) | 2017-12-18 |
ES2801330T3 (es) | 2021-01-11 |
CN105339822A (zh) | 2016-02-17 |
TWI554798B (zh) | 2016-10-21 |
EP3418786A1 (en) | 2018-12-26 |
CA2885821C (en) | 2020-01-07 |
AU2013304616B2 (en) | 2015-09-03 |
TW201518799A (zh) | 2015-05-16 |
EP2894501A1 (en) | 2015-07-15 |
MX342434B (es) | 2016-09-29 |
CN105339822B (zh) | 2017-10-27 |
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