CN202305898U

CN202305898U - Novel covered wire fiber connector

Info

Publication number: CN202305898U
Application number: CN2011203789143U
Authority: CN
Inventors: 张银宝; 王超; 骆升; 李德红; 侯戟
Original assignee: HOPECOM OPTIC COMMUNICATIONS CO Ltd
Current assignee: Henan Chenghe Communication Technology Co., Ltd.; Shanghai communication equipment (Group) Limited by Share Ltd; Shanghai Letel Communication Technology Co., Ltd.
Priority date: 2011-09-29
Filing date: 2011-09-29
Publication date: 2012-07-04
Anticipated expiration: 2021-09-29

Abstract

The utility model discloses a novel covered wire fiber connector. The novel covered wire fiber connector comprises a housing, a fixed headgear, an insertion core, a tail handle, a spring, a pedestal, a clamping groove and a tail sheath. The housing, the fixed headgear, the insertion core, the tail handle, the pedestal and the tail sheath are respectively provided with a central through hole. The housing is sleeved on the top of the fixed headgear. The insertion core is rivet-jointed with the tail handle. The fixed headgear is sleeved on the tail handle that contains the insertion core. The tail handle is sleeved on the spring. The pedestal and the fixed headgear are cooperated. The clamping groove is fixed in the positioning groove of the pedestal. The novel covered wire fiber connector enables the production efficiency to be improved, enables the production cost to be reduced, and helps to prevent an optical fiber from being dull, avoid adverse broken lines and other phenomena caused by the insertion core under the effect of pressure.

Description

A kind of novel rubber-insulated wire joints of optical fibre

Technical field

The utility model relates to a kind of rubber-insulated wire joints of optical fibre, the joints of optical fibre that particularly a kind ofly be applied to telecommunications, move, Virtual network operator fiber-to-the-home such as UNICOM use.

Background technology

In the market, used the SC joints of optical fibre, the joints of optical fibre comprise connector and optical cable, and use therein optical cable mainly contains 0.9mm, 2.0mm and 3.0mm single fiber cable.As shown in Figure 1, existing optical cable mainly by outward by 3, aramid fiber 2 and 0.9mm single fiber cable (comprising optical fiber) 1 form.And the connector that uses is as shown in Figure 2, mainly comprises shell 11, fixedly headgear 12, lock pin 13, tailstock 14, spring 15, metal base 16, riveting ring 17, clasp 18 and tail sheath 19.

The concrete steps that this connector uses are following:

(1) with special-purpose wire-stripping pliers that optical cable is outer by strip off, expose reinforcement aramid fiber and 0.9mm optical cable, divest the 0.9mm optical cable with special-purpose wire-stripping pliers once more, expose optical fiber, and with the optical fiber clean.

(2) riveting lock pin and tailstock carry out injecting glue behind the riveting, 0.9mm optical fiber is penetrated the good riveting spare the inside of injecting glue; Be placed on the well heater once more and heat; Fixed fiber and riveting spare become flexible between wherein outer quilt and the aramid fiber, and the 0.9mm optical cable can freely stretch; Optical fiber and lock pin can produce axial displacement, and this displacement can not make optical fiber produce buckling phenomenon at connector.

(3) will be cut off by symmetry outward with scissors, the aramid fiber that exposes is evenly distributed on the annular knurl of metal base, pushes to the riveting ring, on the outer little ring that is distributed on the riveting ring that will cut off again, pushes to the outer quilt of clasp riveting, can guarantee the mechanical test performance requirement.

(4) at last with the product that assembles, carry out ceramic end surface grinding.

Enforcement along with the continuous development of Fibre Optical Communication Technology and Fiber to the home engineering a kind of novel covered wire cable occurred, in the market referring to Fig. 3; The principal feature of this optical cable: " 8 " font optical cable, outward by 33 with optical fiber 31 are hard-pressed bales, optical fiber 31 by the protection of 2 reinforcements 32 in the centre; Optical fiber 31 is to be completely fixed in the optical cable the inside with reinforcement 32, and is stiff, if adopt the existing joints of optical fibre to connect; Will cause lock pin under the effect of pressure, fracture or cause bad phenomenon such as optical fiber is unglazed, broken string, if can not be effectively fixing reinforcement; Only fixing outer quilt can not guarantee mechanical property.Existing fiber connector production cost simultaneously is than higher, and production efficiency is lower.

The utility model content

When the utility model connected novel covered wire cable in order to solve the existing fiber connector, existing frangible, optical fiber was unglazed and problem such as production cost height, and a kind of novel rubber-insulated wire joints of optical fibre are provided, and it can guarantee that optical fiber can not fractureed or break.

In order to reach above-mentioned purpose, the utility model adopts following technical scheme to realize:

A kind of novel rubber-insulated wire joints of optical fibre, said connector comprise shell, fixedly headgear, lock pin, caudal peduncle, spring, pedestal and tail sheath; Said shell, fixedly headgear, lock pin, caudal peduncle, pedestal and tail sheath are provided with central through hole; Said connector also comprises draw-in groove, and said shell is enclosed within above the fixed head cover, said lock pin and the riveted joint of said caudal peduncle; Said fixed head cover is enclosed within above the caudal peduncle that contains lock pin; Said caudal peduncle cover upper spring, said pedestal and fixedly headgear cooperation, said draw-in groove is fixed on the locating slot the inside of pedestal.

As the preferred version of the utility model, said fixedly headgear outer wall is provided with boss, and fixed head puts and also is provided with groove; And set inside have the symmetry boss; Be provided with a groove above the said shell, said groove matches with the fixing boss of headgear outer wall, and said caudal peduncle is round table-like; Its front end is provided with the circular hole that matches with the lock pin tail end, and said caudal peduncle is provided with four grooves that match with the inner symmetrical boss of fixing headgear; Said spring housing is located on the caudal peduncle, and the front end of said pedestal is provided with fixed head and puts the symmetrical ear shape structure that groove matches, and the rear end of said pedestal is provided with locating slot, matches with said draw-in groove.

The utility model that obtains according to technique scheme compared with prior art has the following advantages:

(1) fixedly headgear and pedestal closely cooperate, and draw-in groove is completely fixed in the locating slot the inside of pedestal, and in the pedestal fixed position; With reinforcement and the pedestal secure bond of glue with optical cable; Realized optical cable, fixedly headgear, the caudal peduncle that contains lock pin, pedestal, strong cooperation is an one fully, when the caudal peduncle that contains lock pin; When receiving axial force and shrink back; Guaranteed that the phenomenon that is fractureed or break can not appear in optical fiber, also guaranteed physical strength, its mechanical property can satisfy the tensile strength of 80N.

(2) these novel rubber-insulated wire joints of optical fibre utilize the part of common connector; Riveting ring, clasp above the common connector have been saved; Thereby saved finished product; Reduced process efficiency, improved product speed and reduced cost, more effective physical strength and the product quality that has guaranteed structure.

Description of drawings

Further specify the utility model below in conjunction with accompanying drawing and embodiment.

Fig. 1 is the structural representation of existing optical cable.

Fig. 2 is the structural representation of existing fiber connector.

Fig. 3 is novel rubber-insulated wire optical fiber structure synoptic diagram.

Fig. 4 is the explosive view of the utility model.

Fig. 5 is the cut-open view of the utility model.

Fig. 6 is the stereographic map of the utility model.

Embodiment

For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.

The novel optical fiber connector simple in structure that the utility model provides; Be used for connection to novel rubber-insulated wire optical fiber; And can realize the effect following time of lock pin at pressure; Guarantee that fractureing or causing the bad phenomenon that optical fiber is unglazed, break can not appear in optical fiber, guarantee that also under the mechanical test requirement, mechanical property can satisfy the tensile strength of 80N.

For this reason, the utility model adopts structure as shown in Figure 4, and these joints of optical fibre 100 comprise shell 101, fixedly headgear 102, lock pin 103, caudal peduncle 104, spring 105, pedestal 106, draw-in groove 107 and tail sheath 108.

As shown in Figure 5, shell 101, fixedly headgear 102, lock pin 103, caudal peduncle 104, pedestal 106 and tail sheath 108 are provided with central through hole.

Shell 101 is enclosed within fixedly above the headgear 102; Lock pin 103 and caudal peduncle 104 riveted joints, and fixedly headgear 102 is enclosed within above the caudal peduncle 104 that contains lock pin, and spring 105 is enclosed within on the caudal peduncle 104; Pedestal 106 is fixed on the locating slot the inside of pedestal 106 with fixedly headgear 102 cooperations, draw-in groove 107.

Practical implementation based on such scheme the utility model is following:

Referring to Fig. 4 and Fig. 5, a groove is arranged above the shell 101, the boss of main matching and fixing headgear 102 outer walls guarantees that fixedly headgear can not come off, and with fixedly the headgear cooperation is flexible.

Fixedly also be provided with a groove on the headgear 102, this hook groove realizes that fixedly headgear 102 closely cooperates with pedestal 106 fully; Fixedly also having symmetrical boss inside the headgear simultaneously.

Lock pin 103 is a ceramic insertion core, and its tail end riveting is to the front end of caudal peduncle 104.

Caudal peduncle 104 is round table-like simultaneously, and its front end is provided with a circular hole, and this circular hole matches with the tail end of lock pin 103, and guarantees the length requirement and the concentricity requirement of lock pin 103; Also be provided with 4 grooves above the caudal peduncle 104, these four grooves cooperate with the fixing symmetrical boss of headgear 102 the insides, are used to prevent the lock pin rotation.

Spring 105 is enclosed within above the step cutting pattern of caudal peduncle 104, is used to realize that lock pin 103 when connecting cooperation, guarantees that insertion core end face is not easy to wound.

The front end of pedestal 106 has the ear shape boss of symmetry, is used for the groove of matching and fixing headgear 102, realizes pedestal 106 and fixing closely cooperating fully of headgear 102; Simultaneously offer a locating slot in the rear end of pedestal 106, this locating slot matches with draw-in groove 107, is used to realize fixedly covered wire cable, and prevent the covered wire cable rotation, and on well heater, heat, in the fixed position of pedestal, the injecting glue heating.

Based on the connector that such scheme forms, its process that specifically connects novel rubber-insulated wire optical fiber is (referring to Figure 4 and 5) as follows:

(1) on covered wire cable 200, once penetrates tail sheath 108, pedestal 106, spring 105, can not wear more, wear less and wear anti-phenomenon.

(2) divest the outer of covered wire cable 200 with special-purpose wire-stripping pliers by 201, length 30～40mm, and keep reinforcement 202; Length 2～8mm, behind the decortication, with cleansing tissue with the optical fiber wiped clean; And whether inspection optical fiber rupture or damage, and optical fiber penetrates the blank pipe 204 that length is 15-25mm.

(2) lock pin 103 and caudal peduncle 104 are carried out riveting, guarantee lock pin riveting length, lock pin and caudal peduncle must be with one heart; And glue, optical fiber 203 is inserted lock pin 103 the insides gently, blank pipe 204 1 ends insert the V-type groove the inside of caudal peduncle 104 fully; Just arrive the tail end (as shown in Figure 5) of lock pin 103, in the time of curing, the tail end of lock pin 103 and blank pipe 204 are fixing; And be placed on above the fixed heater and heat, regulation heat time heating time and temperature.

(3) behind the curing lock pin 103; Fixing headgear 102 is enclosed within above the caudal peduncle 104 that contains lock pin, and will overlaps upper spring 105 above the caudal peduncle 104, fixing headgear 102 top grooves are slipped into the ear shape boss on the pedestal; Again draw-in groove 107 is inserted the locating slot the inside of pedestal afterbody; When noting inserting draw-in groove, be not damaged to optical fiber, and draw-in groove is snapped into the end (as shown in Figure 6).

(4) pedestal with product is fixed on above the well heater, in the fixed position of pedestal, injects glue, glue fixing reinforcement, enhance mechanical properties.

(5) through above-mentioned steps, lock pin and caudal peduncle riveting, and with optical fiber curing after, fixedly headgear cooperates with pedestal again, and draw-in groove fixedly behind the outer quilt of covered wire cable, is put fixedly reinforcement of glue.

(6) push to tail sheath 108, assemble shell, product is carried out end surface grinding, accomplish the assembling and the processing of whole wire jumper.

In the such scheme fixedly headgear and pedestal closely cooperate, draw-in groove is completely fixed in the locating slot the inside of pedestal, and in the pedestal fixed position; With reinforcement and the pedestal secure bond of glue with optical cable, realized optical cable, fixedly headgear, the caudal peduncle that contains lock pin, pedestal, strong cooperation is an one fully; When the caudal peduncle that contains lock pin; When receiving axial force and shrink back, guarantee the phenomenon that optical fiber can not be fractureed or break, also guaranteed physical strength.

More than show and described the advantage of ultimate principle, principal character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.

Claims

1. novel rubber-insulated wire joints of optical fibre, said connector comprise shell, fixedly headgear, lock pin, caudal peduncle, spring, pedestal and tail sheath; Said shell, fixedly headgear, lock pin, caudal peduncle, pedestal and tail sheath are provided with central through hole, it is characterized in that said connector also comprises draw-in groove; Said shell is enclosed within above the fixed head cover; Said lock pin and the riveted joint of said caudal peduncle, said fixed head cover is enclosed within above the caudal peduncle that contains lock pin, said caudal peduncle cover upper spring; Said pedestal and fixedly headgear cooperation, said draw-in groove are fixed on the locating slot the inside of pedestal.

2. a kind of novel rubber-insulated wire joints of optical fibre according to claim 1 is characterized in that said fixedly headgear outer wall is provided with boss; Fixed head puts and also is provided with groove, and in set inside symmetrical boss is arranged, and is provided with a groove above the said shell; Said groove matches with the fixing boss of headgear outer wall; Said caudal peduncle is round table-like, and its front end is provided with the circular hole that matches with the lock pin tail end, and said caudal peduncle is provided with four grooves that match with the inner symmetrical boss of fixing headgear; Said spring housing is located on the caudal peduncle, and the front end of said pedestal is provided with fixed head and puts the symmetrical ear shape structure that groove matches, and the rear end of said pedestal is provided with locating slot, matches with said draw-in groove.