CN205484911U - On -site Assembly formula optical fiber connector - Google Patents

Abstract

The utility model relates to an on -site Assembly formula optical fiber connector, including inner shell, inner shell cover, dustproof cap, insertion pin body, rear box shell lid and outer shell. The inner shell is equipped with insertion pin body hole, V type groove, bare fibre groove, spring and spring holder, and the center of spring holder and inner shell middle part is equipped with fiber channel. The insertion pin body hole site is in the upper end of inner shell, V type groove and bare fibre trench in inner shell insertion pin body hole lower part middle part, and the spring holder is located the afterbody of inner shell, and the spring housing is at the spring holder afterbody. Insertion pin body is located the upper end of inner shell, and inner shell cover is located the top of inner shell, and the outside of inner shell is equipped with inner box shell, and the inner box shell rear portion is equipped with rear box shell, and inner box shell is equipped with the through wires hole with rear box shell's junction, rear box shell lid joint to rear box shell, and outer shell overlaps in inner box shell 's outside. The utility model discloses a to the optimal design of connector structure, be favorable to reducing with the disconnected fibre of avoiding construction and emergence in service, improved use fail safe nature.

Description

A kind of field assembled fiber active linker

Technical field

This utility model belongs to optical fiber communication equipment technical field, relates to a kind of flexible jumper, is specifically related to a kind of field assembled fiber active linker.

Background technology

Fiber active linker, is commonly called as articulation, commonly referred to as the joints of optical fibre, can be with reusable passive device for connect that two optical fiber or optical cable form continuous light path.The joints of optical fibre are widely used in optical fiber transmission line, fibre distribution frame and test optical fiber instrument, instrument, are the most optical passive components of currently used quantity.Through in a few years FTTH fiber to the home Large scale construction, optical fiber quick connector has been commercially available and has been widely applied.Optical fiber quick connector is extensive due to easy to operate, excellent performance, applicable scene, obtains the affirmative of each operator.But, part connector Cheng Duanhou, the operation through after a while there will be after disconnected fine phenomenon, and disconnected fibre not easy care, brings the biggest inconvenience to later maintenance.Disconnected fine reason is: one, Cheng Duanhou adapter is docked with target connector by adapter, owing to lock pin bounces back, causes fibre-optical bending to be spent greatly and causes disconnected fibre；Two, Cheng Duanhou quick connector bears the pulling force of incessantly rubber-insulated wire optical fiber and causes quick connector internal break.

Utility model content

The purpose of this utility model is to provide a kind of field assembled fiber active linker, optimizes the structure of adapter, reduces and avoids the disconnected fibre occurred in construction, improving the safety and reliability of adapter.

The technical solution of the utility model is: field assembled fiber active linker, including inner shell, interior cap, dust cap, pin body, rear cabinet cap, interior case shell and outer container shell.Inner shell is provided with contact pin body opening, V-groove, bare fibre groove, spring and spring base, and the center of spring base and inner shell middle part is provided with optical-fibre channel.Contact pin body opening is positioned at the upper end of inner shell, V-groove and bare fibre groove and is positioned at the middle part of inner shell contact pin body opening bottom, and spring base is positioned at the afterbody of inner shell, and spring housing is at spring base afterbody.Pin body is positioned at the upper end of inner shell, and interior cap is positioned at the top of inner shell, and the outside of inner shell is provided with interior case shell, interior case shell rear portion is provided with rear cabinet shell, interior case shell is provided with through wires hole with the junction of rear cabinet shell, and rear cabinet cap snaps fit onto rear cabinet shell, and outer container valve jacket is in the outside of interior case shell.

Rear cabinet shell and rear cabinet cap are guillotine type structure, are provided with horizontal groove in rear cabinet shell and rear cabinet cap, and with rubber-insulated wire optical fiber, decussation is fixing with increasing friction force.Rear cabinet shell is provided with rubber-insulated wire draw-in groove, and rubber-insulated wire draw-in groove is guillotine type structure.The material of inner shell is plastic cement, and the material of V-groove is rustless steel.The outside of rear cabinet shell is provided with the screw thread tail sleeve of fixing rubber-insulated wire optical fiber.Inner shell is provided with the latch segment for compressing internal bare fibre, and the middle part, upper end of latch segment is provided with projection.

This utility model field assembled fiber active linker, by optimizing design structure, advantageously reduces and avoids the disconnected fibre occurred in construction and operation, improve safety and reliability.Compared with prior art, its advantage is: 1. rear cabinet shell and rear cabinet cap are guillotine type structure, and internal rear cabinet shell is provided with rubber-insulated wire draw-in groove, and rear cabinet cap is provided with horizontal groove, with rubber-insulated wire optical fiber decussation, increases frictional force.2. use that double-type rubber-insulated wire optical fiber fixed form, i.e. guillotine type are fixing and screw thread tail sleeve is fixed, strengthen the fastening force to rubber-insulated wire optical fiber, >=the power of 50N can be born.3. use the frame mode that pin body, V-groove, latch segment interlock with rubber-insulated wire optical fiber, when making adapter dock with adapter, reduce the impact to internal optical fiber.

Accompanying drawing explanation

The structural representation of Fig. 1 this utility model field assembled fiber active linker；

The outline drawing of Fig. 2 field assembled fiber active linker；

Fig. 3 is the Split type structure schematic diagram of field assembled fiber active linker；

Fig. 4 is the structural representation of V-groove；

Fig. 5 rear cabinet shell install and use schematic diagram.

Wherein: 1 inner shell, cap in 2,3 dust caps, 4 pin bodies, 5 V-groove, 6 bare fibre grooves, 7 bare fibres, 8 latch segments, 9 spring bases, 10 springs, case shell, 12 rear cabinet shells, 13 rear cabinet caps, 14 outer container shells, 15 screw thread tail sleeves, 16 rubber-insulated wire optical fiber, 17 contact pin body openings, 18 rubber-insulated wire draw-in grooves in 11.

Detailed description of the invention

Below in conjunction with embodiment and accompanying drawing, this utility model is described in detail.This utility model protection domain is not limited to embodiment, and those skilled in the art make any change in the range of claim limits and fall within the scope of this utility model protection.

This utility model field assembled fiber active linker is as shown in Fig. 1～5, including inner shell 1, interior cap 2, dust cap 3, pin body 4, V-groove 5, bare fibre groove 6, bare fibre 7, latch segment 8, spring base 9, spring 10, interior case shell 11, rear cabinet shell 12, rear cabinet cap 13, outer container shell 14, tail sleeve 15 and contact pin body opening 17, interior cap is positioned at inner shell top.Contact pin body opening, V-groove, bare fibre groove and spring base are installed concentratedly in inner shell 1, are an overall structure.Contact pin body opening is positioned at the upper end of inner shell, V-groove and bare fibre groove are positioned at inner shell contact pin body opening bottom (from left to right) middle part, spring base is positioned at the afterbody of inner shell, and spring housing is provided with, with the center of inner shell connecting portion, the optical-fibre channel that bare fibre passes at the afterbody of spring base, spring base.Preset bare fibre 7 is applied glue and is inserted in contact pin body opening.Latch segment 8 in inner shell is used for compressing internal bare fibre 7, and latch segment upper end is provided with the projection for compressing inner shell bare fibre, and projection is positioned at the middle part of inner shell, up pushes away as locking, toward drop-down for unclamping.The outside of inner shell is provided with interior case shell, and interior case shell rear portion is provided with rear cabinet shell, and interior case shell is provided with through wires hole with the junction of rear cabinet shell, and rear cabinet cap snaps fit onto rear cabinet shell, and outer container valve jacket is in the outside of interior case shell.Case shell in each parts load in inner shell, overall inner shell is outside is interior case shell, and rear cabinet shell is structure as a whole with interior case shell.Interior case shell inside suitable for reading has a strip protruding, is used for propping up inner shell contact pin body opening。, there is a through wires hole interior case shell and rear cabinet shell junction, can prop up spring.Rear cabinet cap is positioned at case shell rear portion, and rear cabinet cap snaps fit onto rear cabinet shell.Outer container shell 14 is placed on the outside of interior case shell.Rear cabinet shell and rear cabinet cap are guillotine type structure.It is provided with horizontal groove in rear cabinet shell and rear cabinet cap, fixing with rubber-insulated wire optical fiber 16 decussation with increasing friction force.Being provided with the screw thread tail sleeve 15 of fixing rubber-insulated wire optical fiber outside rear cabinet shell and rear cabinet cap, screw thread tail sleeve is tightened onto rear cabinet shell and the outside of rear cabinet cap.Rear cabinet shell is provided with rubber-insulated wire draw-in groove 18, and rubber-insulated wire draw-in groove is guillotine type structure.

The material of inner shell is plastic cement, and case shell uses engineering plastics ABS material, and fire resistance can reach V0 level.The material of V-groove is rustless steel, can tension, anti-evil slightly environment, rustless steel V-groove is the most oxidizable, extends the life-span, reusable.Inner shell uses integration serial verb construction, reduces the impact to internal optical fiber with adapter when adapter docks.

This utility model technique manufacturing process: (1) with syringe, glue is injected in pin body；(2) bare fibre is implanted in pin body；(3) pin body solidifies, and solidification temperature is 125 degree, 20 minutes hardening times；(4) after solidification, pin body afterbody one circle carries out a glue, is then charged into inner shell and toasts；(5) in V-groove, inject matching fluid with syringe after baking；(6) cap in inner shell loads；Interior case shell is respectively charged into spring and latch segment；(8) the inner shell of implantation pin body is suitable for reading by case shell in latch segment and spring loading from interior case shell.(9) rear cabinet cap snaps fit onto rear cabinet shell card buckle；Interior case valve jacket enters outer container shell；(11) it is threaded into tail sleeve；(12) adapter is ground；(13) cover dust cap.

Claims (6)

1. a field assembled fiber active linker, it is characterized in that: described flexible jumper includes inner shell (1), interior cap (2), dust cap (3), pin body (4), latch segment (8), rear cabinet cap (13), interior case shell (11) and outer container shell (14), described inner shell is provided with contact pin body opening (17), V-groove (5), bare fibre groove (6), spring (10) and spring base (9), and the center of described spring base (9) and inner shell (1) middle part is provided with optical-fibre channel；Described contact pin body opening is positioned at the upper end of inner shell, described V-groove and bare fibre groove and is positioned at the middle part of inner shell contact pin body opening bottom, and described spring base is positioned at inner shell afterbody, and spring housing is at spring base afterbody；Described pin body is positioned at the upper end of inner shell, and interior cap is positioned at the top of inner shell；The outside of described inner shell is provided with interior case shell (11), and interior case shell rear portion is provided with rear cabinet shell (12), and interior case shell is provided with through wires hole with the junction of rear cabinet shell, and rear cabinet cap snaps fit onto rear cabinet shell, and described outer container valve jacket is in the outside of interior case shell.

Field assembled fiber active linker the most according to claim 1, is characterized in that: described rear cabinet shell (12) and rear cabinet cap (13) are guillotine type structure, is provided with horizontal groove in rear cabinet shell and rear cabinet cap.

Field assembled fiber active linker the most according to claim 1, is characterized in that: described rear cabinet shell (12) is provided with rubber-insulated wire draw-in groove (18), and described rubber-insulated wire draw-in groove is guillotine type structure.

Field assembled fiber active linker the most according to claim 1, is characterized in that: the material of described inner shell (1) is plastic cement, and the material of described V-groove (5) is rustless steel.

Field assembled fiber active linker the most according to claim 1, is characterized in that: the outside of described rear cabinet shell (12) is provided with the screw thread tail sleeve (15) of fixing rubber-insulated wire optical fiber (16).

Field assembled fiber active linker the most according to claim 1, is characterized in that: described inner shell is provided with the latch segment (8) for compressing internal bare fibre (7).