CN202393943U - Optical fiber connector - Google Patents

Abstract

An optical fiber connector comprises a combination unit and an insertion unit combined with the combination unit. The combination unit comprises an outer frame, a sleeve combined with the outer frame and a tail pipe sleeved on the sleeve; the plug-in unit comprises a hollow plug-in seat combined with the outer frame in the opposite direction of the sleeve, a core tube seat arranged on the plug-in seat and positioned in the outer frame, a core tube arranged between the core tube seat and the plug-in seat to position an optical fiber lead, and a compression spring with two ends respectively abutting against the core tube seat and the core tube. The plug-in unit combined with the combination unit is used for improving interchangeability, and various optical fiber connectors in different shapes are formed by replacing the corresponding plug-in seat of the plug-in unit and the matched outer frame, so that the production cost is effectively reduced.

Description

The joints of optical fibre

Technical field

The utility model relates to a kind of coupling arrangement, particularly relates to a kind of joints of optical fibre.

Background technology

Fibre-optical splice roughly can divide into metal joint (Ferrule Connector, FC), modular connection (Standard Connector, SC), the Lucent joint (Lucent Connector, LC), ST (Straight Tip, ST) joint etc.

And each joint all has different characteristic and structure, and for example: the FC joint has excellent protection to fiber cores, but it is with the mode of rotation, causes the fiber cores scratch easily; The intensity of SC joint is high, and push away-the La ways of connecting can protect fiber cores in the optical fiber connection procedure; The less enterprise networks that are applied to of LC joint dimension more; The ST joint then has trip effectively to avoid the joint damage.

Because the characteristic and the interstructural difference of above-mentioned various terminal, therefore, above-mentioned various terminal also can't use alternately; Relative; On making, often need corresponding various terminal to prepare different spare parts, and cooperate different processing procedures and installation procedure, and then cause the increase of whole cost.

Therefore, the interchangeability when how lifting sub is manufactured reducing the spare part of different size, and then reduces raw materials cost, and reduces different processing procedures and installation procedure, to reduce production costs, becomes relevant dealer and desires most ardently the problem that overcomes.

Summary of the invention

The purpose of the utility model is to provide a kind of interchangeability high, and the joints of optical fibre that can effectively reduce cost.

The joints of optical fibre of the utility model; Comprise: a combining unit and a plug-in unit; This combining unit comprises a housing, a sleeve pipe that combines with this housing and a tail pipe that is sheathed on this sleeve pipe; This plug-in unit is incorporated into hollow form socket on this housing, core base that is installed on this socket and is positioned at this housing, one with comprising one and this sleeve pipe reverse direction and is installed between this core base and this socket locating the core pipe of an optical fiber cable, and the compression spring to this core base and this core pipe is pushed up at two ends respectively.

The purpose of the utility model and solve its technical matters and also can adopt following technical measures further to realize.

Preferably, the aforesaid joints of optical fibre, wherein this combining unit comprises that also one is arranged in this sleeve pipe and is sheathed on the compression ring on this housing.

Preferably, the aforesaid joints of optical fibre, wherein this combining unit comprises that also a cover is overlying on the coupling cap on this sleeve pipe and this tail pipe.

Preferably; The aforesaid joints of optical fibre; Wherein the socket of this plug-in unit has a pedestal that combines with this housing, and a locating slot that is formed on this pedestal, and this pedestal has a joint portion towards this tail pipe direction; And the peristome in contrast to this joint portion, the core base of this plug-in unit has a correspondence and is placed through the keeper in this locating slot.

Preferably; The aforesaid joints of optical fibre; Wherein the core base of this plug-in unit also has a mounting hole towards this joint portion; And the hole that places in contrast to this mounting hole, this core pipe has one and is placed through that linkage section in this mounting hole, one are connected with this linkage section one and the insertion section of this peristome that stretches through out, one are positioned at this linkage section and the intersegmental retaining edge of this insertion, reaches one and runs through this insertion section and this linkage section to locate the core hole of this optical fiber cable; This core hole can be distinguished into a lead segment towards this tail pipe direction, and the positioning section in contrast to this lead segment.

Preferably; The aforesaid joints of optical fibre; Wherein the housing of this combining unit has a combination framework that combines with the pedestal of this socket, one and is connected with the cantilever that extended towards this combination framework direction by this frame body in the frame body on this combination framework, two, one and is formed at the external thread on this frame body, an inner waterproofing ring that is sheathed on this frame body; And block holding part that is formed on this combination framework; This socket also has one and is fastened with this block holding part and is formed at the retainer component on this pedestal; And this sleeve pipe has that a body that combines with this frame body, one are formed on this body and can with the corresponding sealed internal thread of this external thread, and outer waterproof ring that is sheathed on this outer surface of tube body.

Preferably, the aforesaid joints of optical fibre, wherein this combining unit comprises that also one can combine with dismantling and cover on this housing and the protecgulum that is somebody's turn to do on the outer waterproof ring with this coupling cap.

Preferably, the aforesaid joints of optical fibre, wherein this plug-in unit comprises that also can cover on the dust cap on this core pipe with dismantling.

The beneficial effect of the utility model is: utilize the plug-in unit that mutually combines with this combining unit to promote interchangeability; Change the socket and the housing that matches of this corresponding plug-in unit; Form the joints of optical fibre of various different shapes, effectively to reduce production costs.

Description of drawings

Fig. 1 is a three-dimensional exploded view, and the preferred embodiment of the utility model joints of optical fibre is described.

Fig. 2 is a cut-open view, aid illustration Fig. 1.

Fig. 3 is another cut-open view, aid illustration Fig. 1.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is elaborated:

Consult Fig. 1, the preferred embodiment of the utility model joints of optical fibre 2 is applicable to and combines a Connectorized fiber optic cabling 200, these joints of optical fibre 2 to comprise a combining unit 3 and one and the plug-in unit 4 that mutually combines of this combining unit 3.

Consult Fig. 1,2; This combining unit 3 comprises the sleeve pipe 32 that a housing 31, combines with this housing 31; One is arranged in this sleeve pipe 32 and is sheathed on tail pipe 34, the cover that compression ring 33, on this housing 31 is sheathed on this sleeve pipe 32 and is overlying on the coupling cap 35 on this sleeve pipe 32 and this tail pipe 34, and one removably combines with this coupling cap 35 and covers on the protecgulum 36 on this housing 31.

Wherein, This coupling cap 35 can person easy to use grip and the application of force; And this compression ring 33 not only can be used to locate this Connectorized fiber optic cabling 200 with this housing 31; This compression ring 33 can also be compeled to this Connectorized fiber optic cabling 200, with the pulling force of lifting for this Connectorized fiber optic cabling 200, and when these Connectorized fiber optic cabling 200 bendings, produces protective effect.In this preferred embodiment, this housing 31 is one to be applicable to the housing 31 of modular connection.

Consult Fig. 1,3; This housing 31 has one and combines framework 312, one to be connected with in the frame body on this combinations framework 312 311, two to be sheathed on the inner waterproofing ring 315 on this frame body 311 by this frame body 311 towards the external thread 314, that the cantilever 313, of this combinations framework 312 directions extension is formed on this frame body 311, to reach two block holding parts 316 that are formed on this combination framework 312.

And this sleeve pipe 32 have one be formed on this body 321 with body 321, that this frame body 311 combines and can with these external thread 314 corresponding sealed internal threads 322, and the outer waterproof ring 323 that is sheathed on these body 321 outside surfaces and can be covered by this protecgulum 36.Should can prevent liquid or dust infiltration by outer waterproof ring 323.

Consult Fig. 2,3; And look back Fig. 1 in the lump; This plug-in unit 4 comprise one and these sleeve pipe 32 reverse directions be incorporated into core base 42, that hollow form socket 41, on this housing 31 is installed on this socket 41 and is positioned at this housing 31 and be installed on 41 of this core base 42 and this sockets and push up respectively to the compression spring 44 of this core base 42 with this core pipe 43 with core pipe 43, two ends of the optical fiber cable 201 of locating this Connectorized fiber optic cabling 200, and one removably covers on the dust cap 45 to protect this core pipe 43 on this core pipe 43.

This socket 41 has the pedestal that combines with the combination framework 312 of this housing 31 411, two and is formed at the locating slot 414 on this pedestal 411 at interval, and one is fastened with the block holding part 316 of this housing 31 and is formed at the retainer component 415 on this pedestal 411.This pedestal 411 has a joint portion 412 towards these tail pipe 34 directions, and a peristome 413 in contrast to this joint portion 412.

This core base 42 has two correspondences and is placed through keeper 421, a mounting hole 422 towards this peristome 413 in each locating slot 414, and one places hole 423 in contrast to this mounting hole 422.And this core pipe 43 has one and is placed through that linkage section 431, in this mounting hole 422 is connected with these linkage section 431 one and the insertion section 432, of this peristome 413 that stretches through out is positioned at this linkage section 431 and 432 of this insertion sections and retaining and is formed on the retaining edge 433 on this pedestal 411, and one runs through this insertions section 432 and this linkage section 431 to locate the core hole 434 of this optical fiber cable 201.And this core hole 434 can be distinguished into a lead segment 435 towards these tail pipe 34 directions, and a positioning section 436 in contrast to this lead segment 435.

Utilize the spacing of 31 of this core base 42 and this housings, cooperate these compression spring 44 bias voltages this core base 42 and this core pipe 43, prevent that tension force and side force from directly acting on this optical fiber cable 201 with protection optical fiber cable 201.The lead segment 435 in this core hole 434 then is the positioning section 436 that the optical fiber cable 201 that is used for guiding this Connectorized fiber optic cabling 200 can get into this core hole 434 smoothly.

When actual fabrication; Only need to change the socket 41 and the housing that matches 31 of this corresponding plug-in unit 4, just can form the joints of optical fibre 2 of various different shapes, effectively reduce the spare part of different size; And then the reduction raw materials cost, and reduce different processing procedures and installation procedure.

In sum; The joints of optical fibre 2 of the utility model; Utilize the plug-in unit 4 that mutually combines with this combining unit 3 to promote interchangeability; More, form the joints of optical fibre 2 of various different shapes, effectively to reduce production costs by the socket 41 and the housing that matches 31 of changing this corresponding plug-in unit 4.

Claims (8)

1. An optical fiber connector, comprising a combination unit and a plug-in unit, the combination unit includes an outer frame, a sleeve combined with the outer frame and a tail sleeve set on the sleeve pipe, characterized in that: the plug-in unit includes a hollow inserting seat combined with the outer frame in the opposite direction to the sleeve, and a hollow inserting seat installed on the inserting seat and located in the outer frame The core tube seat, a core tube installed between the core tube seat and the insertion seat to position an optical fiber line, and a compression spring with two ends against the core tube seat and the core tube respectively. 2. The optical fiber connector according to claim 1, wherein the coupling unit further comprises a compression ring located in the sleeve and sheathed on the outer frame. 3. The optical fiber connector according to claim 1 or 2, wherein the coupling unit further comprises a coupling cap covering the sleeve and the tail tube. 4. The optical fiber connector according to claim 3, characterized in that: the insertion seat of the plug-in unit has a seat body combined with the outer frame, and a positioning hole formed on the seat body Groove, the seat body has a joint portion facing the direction of the tail pipe, and an opening opposite to the joint portion, the core tube seat of the plug-in unit has a correspondingly inserted in the positioning groove positioning parts. 5. The optical fiber connector according to claim 4, characterized in that: the core tube seat of the plug-in unit also has a mounting hole facing the joint part, and a penetration hole opposite to the mounting hole , the core tube has a connection section inserted into the mounting hole, an insertion section integrally connected with the connection section and pierced out of the opening, and an insertion section between the connection section and the insertion section. There is a retaining edge between them, and a core hole that passes through the insertion section and the connecting section to locate the optical fiber line, and the core hole can be divided into a guide section facing the direction of the tail pipe, and a guide section opposite to the direction of the tail pipe. The positioning segment of the guiding segment. 6. The optical fiber connector according to claim 5, characterized in that: the outer frame of the combination unit has a combination frame combined with the seat body of the insertion seat, and a combination frame integrally connected to the combination The frame body on the frame body, two cantilevers extending from the frame body toward the combined frame body, an external thread formed on the frame body, and an inner waterproof ring sleeved on the frame body , and a locking part formed on the combined frame body, the insertion seat also has a locking part formed on the seat body by locking with the locking part, and the sleeve The pipe has a pipe body combined with the frame body, an internal thread formed on the pipe body and capable of correspondingly locking with the external thread, and an outer waterproof ring sleeved on the outer surface of the pipe . 7. The optical fiber connector according to claim 6, wherein the combining unit further comprises a detachably combined with the coupling cap and covers the outer frame and the outer waterproof ring The front cover. 8. The optical fiber connector according to claim 1, wherein the plug-in unit further comprises a dustproof cover detachably covering the core tube.

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