CN208207283U - A kind of optical fiber caudal peduncle - Google Patents

Abstract

The utility model discloses a kind of optical fiber caudal peduncles, including caudal peduncle ontology and the metallic sheath being embedded on caudal peduncle ontology, the wire hole that perforation is gradually reduced from tail end forward end for internal diameter is offered on the caudal peduncle ontology, angle between the center line of wire hole and the center line of caudal peduncle ontology is α, and the value range of α is 0~10 °.It solves existing optical fiber caudal peduncle structure and easily leads to fibre core and fracture, cause the situation that assembly efficiency is low, improve the reliability of optical fiber perforation.

Description

A kind of optical fiber caudal peduncle

Technical field

The utility model relates to communicate parts technical field, and in particular to a kind of optical fiber caudal peduncle.

Background technique

It is communicated in the field of communications frequently with optical cable, needs to connect in head and the tail setting caudal peduncle to facilitate in use It connects, existing optical fiber caudal peduncle is inserted into lock pin using an inclined hole is opened up on caudal peduncle ontology in inclined hole, by changing lock pin center The angle of line and caudal peduncle body central line improves the effect of light reflectance and coupled power to realize, but since lock pin is Increased components below, and the hole very little offered on lock pin, during causing fibre core to be inserted into caudal peduncle, fibre core In insertion lock pin inner hole that cannot be stable, the fibre core that needs to fracture repeatedly can may just succeed, and lead to the assembly efficiency of optical fiber caudal peduncle The case where reduction, fiber optic materials waste.

Utility model content

For the deficiency in the presence of the prior art, the utility model provides a kind of optical fiber caudal peduncle, solves existing Optical fiber caudal peduncle structure easily leads to fibre core and fractures, and causes the problem that assembly efficiency is low.

To achieve the above object, the utility model uses the following technical solution:

A kind of optical fiber caudal peduncle, including caudal peduncle ontology and the metallic sheath being embedded on caudal peduncle ontology, on the caudal peduncle ontology Offer the wire hole that perforation is gradually reduced from tail end forward end for internal diameter, the center line of the center line of wire hole and caudal peduncle ontology it Between angle be α, the value range of α is 0~10 °.

When optical fiber is assembled in assembly, the optical fiber for pulling out protective layer is inserted into from wire hole, since wire hole is continuous perforation , so that moving direction of the optical fiber in wire hole remains unchanged, fibre core is effectively avoided to be stopped to be rolled over during insertion Disconnected situation, and the varying aperture of wire hole, can fetter unpeeled optical fiber and guiding role, can be further Improve the efficiency and quality in fibre core insertion wire hole.

Compared with the prior art, the utility model has the following beneficial effects:

1, the wire hole that perforation is gradually reduced from tail end forward end for internal diameter is opened up on caudal peduncle ontology, so that optical fiber insertion is worn Linear movement will not be belonged to, and wire hole can carry out unpeeled optical fiber there is a situation where turning to during fine hole Constraint and guiding role, enable the fibre core after peeling to be successfully inserted in minimum aperture, effectively improve needs in the prior art It will be the case where lock pin position be turned to, a possibility that improving the quality of fibre core insertion, fibre core is avoided to be broken off, so that whole A assembling process efficiency also steps up；

2, it allows the center line of wire hole and the center line of caudal peduncle ontology to form 0~10 ° of angle, improves the reflection of optical fiber Rate and coupled power；

3, the embedded with metal set on caudal peduncle ontology, is welded when being easily installed entirety, is able to carry out multi-angle welding, energy Enough adapt to reflectivity under different operating conditions, coupled power demand.

Detailed description of the invention

Fig. 1 is the schematic cross-sectional view of the utility model；

Fig. 2 is the axis geodesic structure schematic diagram of the utility model；

In figure, caudal peduncle ontology 1, construction section 101, First stage 102, second step section 103, boss 104, land plateau 105, metallic sheath 2, wire hole 3, constraint hole 301, pilot hole 302, slotting fine hole 303.

Specific embodiment

The utility model is described further with reference to the accompanying drawing.

As shown in FIG. 1 to FIG. 2, a kind of optical fiber caudal peduncle described in the utility model, including caudal peduncle ontology 1 and it is embedded in tail Metallic sheath 2 on handle ontology 1, wherein caudal peduncle ontology 1 is that column structure is had using plastic material, preferably PEI or PBT material Better ductility and injection molding are functional, and metallic sheath 2 uses stainless steel material, convenient for being welded during installation, tail Metallic sheath 2 is directly inlayed fastening in injection molding by handle ontology 1, and the generation of metallic sheath 2 is avoided to loosen relative to caudal peduncle ontology 1 Situation, while also enhancing the intensity of caudal peduncle ontology 1；Caudal peduncle ontology 1 includes the construction section 101 for embedded with metal set 2, installation The tail end of section 101 is equipped with extend back First stage 102 and second step section 103, and the diameter in First stage 102 is less than peace It filling the diameter of section 101 and is greater than the diameter of second step section 103, the front end of construction section 101 is equipped with the boss 104 extended forward, Wherein First stage 102, second step section 103 are found accurately convenient for carrying out positioning during installation, so that caudal peduncle ontology 1 is during installation Can reliable location, and boss 104 be in order to caudal peduncle ontology 1 after mounting also have certain clearance space, be convenient for adjusting It is whole, it can be also protected when subsequent fibre core is attached；For the ease of carrying out guide-localization, set on 104 leading flank of boss There is chamfering structure.

When carrying out installation positioning, positioned to directly adopt the front end face of metallic sheath 2, it is upper in construction section 101 It is equipped in the position in 2 front of metallic sheath relative to symmetrical two land plateaus 105 of the crosscutting median plane of construction section 101, thus Generate avoiding space, metallic sheath 2 can directly be played the role of positioning, can reduce in 2 welding process of metallic sheath generate deflection or The phenomenon that displacement.

Offer the wire hole 3 that perforation is gradually reduced from tail end forward end for internal diameter on caudal peduncle ontology 1, wire hole 3 be by from Constraint hole 301, pilot hole 302 and the integrated molding for inserting the fine composition of hole 303 that 1 tail end forward end of caudal peduncle ontology successively penetrates through Hole, wherein the diameter for inserting fibre hole 303 is 0.125mm~0.130mm；The aperture of pilot hole 302 is from 301 one end of hole is fettered to slotting fibre 303 one end of hole is gradually reduced, and when carrying out lock pin, the fibre core after peeling is moved along wire hole 3, in constraint hole 301 to not Under the guiding role and position-limiting action of peeling optical fiber, fibre core is directly aligned, and plug wire hole is mobile, and pilot hole 302 Inner hole surface is that smooth globoidal structure can quickly slide simultaneously after the front end of fibre core touches the inner hole surface of pilot hole 302 Be directed into hole, effectively prevent fibre core during lock pin there is a situation where fractureing, due to insert the aperture in fine hole 303 compared with It is small, can guarantee mobile stationarity during lock pin using hole is integrally formed, can guarantee fibre core substantially with the center of threading hole Line alignment movement, substantially increases the success rate during lock pin, reduces the case where fibre core during lock pin is broken off.

In order to improve the reflectivity and coupled power of optical fiber, the center line of the center line of wire hole 3 and caudal peduncle ontology 1 it Between angle be α, the value range of α is 0~10 °, in order to obtain better reflectivity, preferably 2.8 ° or 3.7 ° of the value of α, tool The value of body can also be selected according to actual use, but should be within 10 °, to guarantee the reflectivity of optical fiber in normal use In range.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (7)

1. a kind of optical fiber caudal peduncle, it is characterised in that: including caudal peduncle ontology (1) and the metallic sheath being embedded on caudal peduncle ontology (1) (2), the wire hole (3) that perforation is gradually reduced from tail end forward end for internal diameter, wire hole (3) are offered on the caudal peduncle ontology (1) Center line and caudal peduncle ontology (1) center line between angle be α, the value range of α is 0~10 °.

2. a kind of optical fiber caudal peduncle according to claim 1, it is characterised in that: the wire hole (3) is by from caudal peduncle ontology (1) constraint hole (301), pilot hole (302) and the integrated molding for inserting fine hole (303) composition that tail end forward end successively penetrates through Hole, wherein the diameter for inserting fibre hole (303) is 0.125mm~0.130mm；The aperture of pilot hole (302) from constraint hole (301) one end It is gradually reduced to slotting fine hole (303) one end.

3. a kind of optical fiber caudal peduncle according to claim 1, it is characterised in that: preferably 2.8 ° or 3.7 ° of the value of the α.

4. a kind of optical fiber caudal peduncle according to any one of claims 1 to 3, it is characterised in that: caudal peduncle ontology (1) packet The construction section (101) for embedded with metal set (2) is included, the tail end of construction section (101), which is equipped with, extends back First stage (102) And second step section (103), the diameter in First stage (102) are less than the diameter of construction section (101) and are greater than second step section (103) diameter, the front end of construction section (101) are equipped with the boss (104) extended forward.

5. a kind of optical fiber caudal peduncle according to claim 4, it is characterised in that: be located at metallic sheath on the construction section (101) (2) position in front of is equipped with relative to symmetrical two land plateaus (105) of construction section (101) crosscutting median plane.

6. a kind of optical fiber caudal peduncle according to claim 1, it is characterised in that: the material of the metallic sheath (2) is using stainless Steel material.

7. a kind of optical fiber caudal peduncle according to claim 6, it is characterised in that: the material of the caudal peduncle ontology (1) is plastics, It is preferred that PEI or PBT material.