CN207976615U - A kind of miniature smooth jumping fiber - Google Patents

Abstract

The utility model is related to communication equipment field, more particularly to a kind of miniature smooth jumping fiber.Including micro optical cable and two optical fiber connectors for being separately positioned on micro optical cable both ends, the micro optical cable includes bare fibre from the inside to the outside, aramid yarn and oversheath, each optical fiber connector includes elastomeric element, welded part and holding element, elastomeric element and welded part are wrapped in interior by the holding element, it is equipped with positioned at one end of elastomeric element and treats the positioning element that connection bare fibre is positioned, the positioning element includes plastics blank pipe and ceramic insertion core, in the mounted state, bare fibre grafting to be installed enters in plastics blank pipe, the other end of the ceramic insertion core and plastics blank pipe is fitted close.Optical fiber in the plastics blank pipe of the utility model exposed portion can be freely movable, ensures properties of product；Density higher, compacter, very loose wiring channel can be achieved in this way, be conducive to jumping fiber management, while also ensureing the reliability of network.

Description

A kind of miniature smooth jumping fiber

Technical field

The utility model is related to communication equipment field, more particularly to a kind of miniature smooth jumping fiber.

Background technology

With the continuous development of the communication technology, a kind of final form that FTTH, all optical network will develop as Optical Access Network, Cable terminations, the jumper connection equipment such as ODF framves, MODF framves, OCC, optical cable fiber-dividing box, optical cable light splitting fiber-dividing box are used widely, In be both needed to largely use tail optical fiber, jumping fiber, single-ended/both-end branched cable and pencil optical cable.

Traditional Φ 2.0mm, Φ 3.0mm light jumping fiber cable diameters are thick, bending radius is big, and the crane span structure size needed is roomy, babinet Etc. equipment volumes it is big, such as can make device, babinet equidimension smaller using miniature smooth jumping fiber, density higher, more can be achieved in this way Compact, very loose wiring channel is conducive to jumping fiber management, while also ensureing the reliability of network.

Utility model content

The purpose of this utility model is that in view of the deficiencies of the prior art, it is the miniature of 1.6mm to provide a kind of outer diameter sheath The curing of light jumping fiber solves the problems, such as that connector fibre-optical bending causes 1550nmIL bigger than normal.

To solve the above problems, the utility model provides following technical scheme：

A kind of miniature smooth jumping fiber, including micro optical cable and two optical fiber connectors for being separately positioned on micro optical cable both ends, The micro optical cable includes bare fibre, aramid yarn and oversheath from the inside to the outside, and each optical fiber connector includes along miniature Elastomeric element, welded part and the holding element that the signal transmission direction of optical fiber assembles successively, the holding element is by elastic portion In part and welded part are wrapped in, it is equipped with positioned at one end of elastomeric element and treats the positioning element that connection bare fibre is positioned, The positioning element includes plastics blank pipe and the ceramic insertion core in plastics blank pipe end is arranged, in the mounted state, to be installed naked One end grafting of optical fiber enters in plastics blank pipe, the other end tight fit of the ceramic insertion core and plastics blank pipe.

Further, the elastomeric element includes spring and the pedestal in spring end is arranged, and the spring and pedestal are equal It is closely set on oversheath, the pedestal is cylindrical structure, and the pedestal includes that the first pipe and two are arranged at intervals on On the lateral wall of first pipe and with the integrally formed annular partition of the first pipe, two annular partitions and the first pipe end Apart from identical, in the mounted state, one end of the spring contradicts on the annular partition close to plastic conduit one end, the bullet The other end of spring and the end of ceramic insertion core, which contradict, to be connected.

Further, the welded part includes pressure welding case and heat-shrink tube, and the pressure welding case and heat-shrink tube are set in outer On sheath, the pressure welding case and heat-shrink tube are cylindrical structure, and the vertical cross-section of the pressure welding case is convex structure, described The one end of the diameter of section of pressure welding case from close to one end of spring to far from spring tapers into, and the shrinkable sleeve is located at separate On the lateral wall of spring one end, one end of the other end of the pressure welding case and the separate spring of pedestal is mating.

Further, the holding element includes tail sleeve, and the tail sleeve is set on oversheath, and the tail sleeve includes one Molding second pipe and conical pipe, the diameter of section of the conical pipe is from one end of close second pipe to far from the second circle One end taper into, the groove accommodated for pressure welding case, heat-shrink tube, pedestal and spring is equipped in second pipe.

Further, a diameter of 1.6mm of the micro optical cable.

Further, the section of the bare fibre, aramid yarn and oversheath is circle.

Further, the diameter of section of the ceramic insertion core is 2.5mm.

Further, the length of the plastics blank pipe is 14mm.

Advantageous effect：The miniature smooth jumping fiber of one kind of the utility model, tail sleeve, pyrocondensation are penetrated in one end of micro optical cable successively Pipe, pressure welding case, pedestal, spring；It is required that core surface has glue, tail portion glue full；When connector optical fiber has shelled fine solidification, insert Optical fiber is protected with plastics blank pipe at core caudal peduncle, plastics blank pipe length 4mm, the optical fiber in the plastics blank pipe of exposed portion can be certainly By activity, ensure properties of product；Density higher, compacter, very loose wiring channel can be achieved in this way, be conducive to jumping fiber Management, while also ensureing the reliability of network.

Description of the drawings

Fig. 1 is that the stereochemical structure of the utility model is intended to；

Fig. 2 is the sectional view of the micro optical cable of the utility model；

Fig. 3 is the stereo-resolution structural schematic diagram of the utility model；

Reference sign：Micro optical cable 1, bare fibre 1a, aramid yarn 1b, oversheath 1c, optical fiber connector 2, spring 2a, Pedestal 2b, pressure welding case 2c, heat-shrink tube 2d, tail sleeve 2e, plastics blank pipe 3, ceramic insertion core 4.

Specific implementation mode

With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail：

Referring to figs. 1 to a kind of miniature smooth jumping fiber shown in 3, including micro optical cable 1 and two are separately positioned on micro optical cable 1 The optical fiber connector 2 at both ends, the micro optical cable 1 include bare fibre 1a, aramid yarn 1b and oversheath 1c, Mei Gesuo from the inside to the outside It includes elastomeric element, welded part and the support assembled successively along the signal transmission direction of mini optical fibre to state optical fiber connector 2 Component in elastomeric element and welded part are wrapped in by the holding element, are equipped with positioned at one end of elastomeric element and treat connection The positioning element that bare fibre 1a is positioned, the positioning element include plastics blank pipe 3 and the pottery in 3 end of plastics blank pipe are arranged Porcelain lock pin 4, in the mounted state, one end grafting of bare fibre 1a to be installed enter in plastics blank pipe 3, the ceramic insertion core 4 and modeling The other end tight fit of material blank pipe 3 can realize optical fiber by the cooperation between elastomeric element, welded part and holding element The close assembling of connector 2, and then can solve the problems, such as that connector fibre-optical bending causes 1550nmIL bigger than normal.

The elastomeric element includes spring 2a and the pedestal 2b, the spring 2a and pedestal 2b that are arranged in the ends spring 2a equal It is closely set on oversheath 1c, the pedestal 2b is cylindrical structure, and the pedestal 2b includes the first pipe and two intervals Be arranged on the lateral wall of the first pipe and with the integrally formed annular partition of the first pipe, two annular partitions and the first pipe The distance of end is identical, and in the mounted state, one end of the spring 2a is contradicted in the annular partition close to 3 one end of plastics blank pipe On, the other end of the spring 2a is contradicted with the end of ceramic insertion core 4 and is connected, and the setting of two annular partitions can be realized to base The installation exercise of seat 2b and ceramic insertion core 4, and then can realize the assembling operation to optical fiber connector 2.

The welded part includes that pressure welding case 2c and heat-shrink tube 2d, the pressure welding case 2c and heat-shrink tube 2d are set in outer shield It covers on 1c, the pressure welding case 2c and heat-shrink tube 2d are cylindrical structure, and the vertical cross-section of the pressure welding case 2c is convex knot The diameter of section of structure, the pressure welding case 2c is tapered into from close to one end of spring 2a to one end of separate spring 2a, the heat Draw 2d is set on the lateral wall far from the one end spring 2a, and the other end of the pressure welding case is with the separate spring 2a's of pedestal 2b One end is mating, and in the assembled state, thermal shrinkable sleeve can be connected on pressure welding case 2c, and pressure welding case 2c can be connected to pedestal 2b On, it can realize the clamping operation to tail sleeve 2e.

The holding element includes tail sleeve 2e, and the tail sleeve 2e is set on oversheath 1c, and the tail sleeve 2e includes one Molding second pipe and conical pipe, the diameter of section of the conical pipe is from one end of close second pipe to far from the second circle One end taper into, be equipped in second pipe accommodated for pressure welding case 2c, heat-shrink tube 2d, pedestal 2b and spring 2a it is recessed Slot, the receiving of the multiple component parts of setting of the second pipe upper groove, and then can realize that the installation to optical fiber connector 2 is made Industry.

A diameter of 1.6mm of the micro optical cable 1.

The section of the bare fibre 1a, aramid yarn 1b and oversheath 1c are circle, and the thickness of the aramid yarn 1b is naked 4 times of optical fiber 1a thickness, the thickness of the aramid yarn 1b are 2 times of oversheath 1c thickness, and aramid yarn 1b and oversheath 1c can Play the role of protecting bare fibre 1a.

The diameter of section of the ceramic insertion core 4 is 2.5mm.

The length of the plastics blank pipe 3 is 14mm.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Go out any restrictions, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent Variation and modification, in the range of still falling within the technical solution of the utility model.

Claims (8)

1. a kind of miniature smooth jumping fiber, it is characterised in that：It is separately positioned on micro optical cable (1) two including micro optical cable (1) and two The optical fiber connector (2) at end, the micro optical cable (1) include bare fibre (1a), aramid yarn (1b) and oversheath from the inside to the outside (1c), each optical fiber connector (2) include the elastomeric element assembled successively along the signal transmission direction of mini optical fibre, press Relay part and holding element in elastomeric element and welded part are wrapped in by the holding element, are located at one end of elastomeric element Equipped with the positioning element for connecting bare fibre (1a) and being positioned is treated, the positioning element includes that plastics blank pipe (3) and setting exist The ceramic insertion core (4) of plastics blank pipe (3) end, in the mounted state, one end grafting of bare fibre (1a) to be installed enter plastics sky It manages in (3), the other end tight fit of the ceramic insertion core (4) and plastics blank pipe (3).

2. the miniature smooth jumping fiber of one kind according to claim 1, it is characterised in that：The elastomeric element include spring (2a) and Pedestal (2b) in the end spring (2a) is set, the spring (2a) and pedestal (2b) are closely set on oversheath (1c), The pedestal (2b) is cylindrical structure, and the pedestal (2b) includes that the first pipe and two are arranged at intervals on the outer of the first pipe On side wall and with the integrally formed annular partition of the first pipe, two annular partitions are identical at a distance from the first pipe end, Under installation condition, one end of the spring (2a) contradicts on the annular partition close to plastics blank pipe (3) one end, the spring The other end of (2a) is contradicted with the end of ceramic insertion core (4) and is connected.

3. the miniature smooth jumping fiber of one kind according to claim 2, it is characterised in that：The welded part includes pressure welding case (2c) With heat-shrink tube (2d), the pressure welding case (2c) and heat-shrink tube (2d) are set on oversheath (1c), the pressure welding case (2c) and Heat-shrink tube (2d) is cylindrical structure, and the vertical cross-section of the pressure welding case (2c) is convex structure, the pressure welding case (2c) Diameter of section tapered into from close to one end of spring (2a) to far from one end of spring (2a), the heat-shrink tube (2d) is arranged On the lateral wall far from the one end spring (2a), one end of the other end of the pressure welding case and the separate spring (2a) of pedestal (2b) It is mating.

4. the miniature smooth jumping fiber of one kind according to claim 3, it is characterised in that：The holding element includes tail sleeve (2e), The tail sleeve (2e) is set on oversheath (1c), and the tail sleeve (2e) includes integrally formed second pipe and conical pipe, institute The diameter of section for stating conical pipe is tapered into from close to one end of the second pipe to far from second circular one end, second circle The groove accommodated for pressure welding case (2c), heat-shrink tube (2d), pedestal (2b) and spring (2a) is equipped in pipe.

5. the miniature smooth jumping fiber of one kind according to claim 1, it is characterised in that：The micro optical cable (1) it is a diameter of 1.6mm。

6. the miniature smooth jumping fiber of one kind according to claim 5, it is characterised in that：The bare fibre (1a), aramid yarn (1b) Section with oversheath (1c) is circle, and the thickness of the aramid yarn (1b) is 4 times of bare fibre (1a) thickness, the aramid fiber The thickness of yarn (1b) is 2 times of oversheath (1c) thickness.

7. the miniature smooth jumping fiber of one kind according to claim 1, it is characterised in that：The diameter of section of the ceramic insertion core (4) For 2.5mm.

8. the miniature smooth jumping fiber of one kind according to claim 1, it is characterised in that：The length of the plastics blank pipe (3) is 4mm。