CN202771046U

CN202771046U - Optical fiber positioner

Info

Publication number: CN202771046U
Application number: CN 201220392602
Authority: CN
Inventors: 郑忠; 西冈大造
Original assignee: SEI Nanjing Putian Optical Network Co Ltd
Current assignee: SEI Nanjing Putian Optical Network Co Ltd
Priority date: 2012-08-09
Filing date: 2012-08-09
Publication date: 2013-03-06
Anticipated expiration: 2022-08-09

Abstract

The utility model discloses an optical fiber positioner, which comprises a positioner body and a positioner seat. The positioner body comprises an outer sleeve, a metal plug core, a tail handle, a spring, an inner sleeve and a spring seat, wherein the metal plug core, the tail handle, the spring, the inner sleeve and the spring seat are arranged in the outer sleeve. One end of the metal plug core is fixed to the tail handle. After being sleeved into the spring, the tail handle is arranged in the inner sleeve. The other end of the metal plug core passes through the inner sleeve and the end surface of the other end of the metal plug core is provided with three stepped planes, wherein the heights of the three stepped planes are successively decreased. The spring seat and the inner sleeve are buckled together. The positioner seat comprises two adapter sleeves, a ceramic cannula, a housing and a cover plate. After being oppositely buckled together, the two adapter sleeves are clamped into an intermediate groove in the housing. The ceramic cannula passes through the two adapter sleeves. The cover plate is fixed on the upper end surface of the housing. The positioner body is connected with the positioner seat through the outer sleeve and the housing. The metal plug core is inserted into the ceramic cannula. According to the technical scheme of the utility model, the optical fiber positioner has the advantages of simple structure, convenient operation and high control precision, and can reduce the optical loss after being connected with a connector.

Description

A kind of optical fiber locator

Technical field

The utility model relates to the optical fiber technology field, relates in particular to a kind of optical fiber locator.

Background technology

In the epoch of fiber optic cable communications develop rapidly, simplify mechanically splicing optical fiber technology, raising connecting quality etc. and will play positive facilitation to enlarging the fiber optic applications field.In through-type optical fibre splice, it is the determinative of fibre junction quality that optical fiber penetrates the height that protrudes ceramic insertion core behind the joints of optical fibre, and the locator structure that is used for control optical fiber protrusion height in the prior art is complicated, control accuracy is low, and the optical loss after connector continues is larger, has had a strong impact on the quality of fibre junction.

Summary of the invention

The technical problems to be solved in the utility model is, complicated for locator structure in the prior art, cost is high, control accuracy is low, the defectives such as rear optical loss is larger that continue, provide a kind of simple in structure, easy and simple to handle, control accuracy is high and can reduce optical loss after connector continues.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of optical fiber locator, comprise steady arm body and steady arm pedestal, and the steady arm body comprises overcoat and is built in metal lock pin, caudal peduncle, spring, inner sleeve and spring base in the overcoat;

Metal lock pin one end and caudal peduncle are fixed, and caudal peduncle is inserted in the inner sleeve of packing into behind the spring, and the metal lock pin other end passes inner sleeve (4), and this end face is provided with first step plane, second step plane and the 3rd step plane that highly successively decreases successively; Described spring base and inner sleeve fasten, and spring places in the spring base;

The steady arm pedestal comprises the first adapter cover, the second adapter cover, porcelain bushing, shell and cover plate, and the first adapter cover snaps in the interior intermediate groove of shell after overlapping make-up with the second adapter, and porcelain bushing runs through the first adapter cover and the second adapter cover;

Shell left and right sides both ends of the surface and upper surface are opening, and cover plate is fixed on the shell upper surface;

The steady arm body inserts shell left end opening by overcoat and links to each other with the steady arm pedestal;

The metal lock pin inserts in the porcelain bushing after passing inner sleeve.

The principle of work of optical fiber locator described in the utility model is: shell left and right sides both ends of the surface and upper surface are opening, overcoat is inserted in the shell by shell left end opening, thereby so that the steady arm body is connected with the steady arm pedestal, in the mechanically splicing optical fiber connector inserts shell from the shell right-end openings, thus also so that the mechanically splicing optical fiber connector link to each other with the steady arm pedestal; The intrinsic metal lock pin of steady arm is inserted in the porcelain bushing in the steady arm pedestal by the first adapter cover, the ceramic insertion core of mechanically splicing optical fiber connector is inserted in the porcelain bushing in the steady arm pedestal by the second adapter cover, at this moment, metal lock pin and ceramic insertion core all are inserted in the interior porcelain bushing of steady arm pedestal, and the first step plane on the metal insertion core end face and connector ferrule endface are closely touched like this; Insert in the connector through the optical fiber after the fixed length cutting, and move on after ceramic insertion core stretches out in the connector, until just be prevented from forward after touching the second step plane, mechanically splicing optical fiber connector internal locking device locking this moment optical fiber, optical fiber protrudes the ceramic insertion core height namely accurately to be controlled, the effect of location has been played on the second step plane in this process, and therefore optical fiber locator described in the utility model can realize optical fiber is protruded the accurate control of ceramic insertion core height to a certain extent.

In optical fiber locator described in the utility model, three step plane height of metal lock pin one end face successively decrease successively, wherein, the first step plane is top step plane, during use, insert in the connector through the optical fiber after the fixed length cutting, first step plane and connector ferrule endface are closely touched, and move on after ceramic insertion core stretches out in the connector, until be prevented from forward after touching metal lock pin second step plane, mechanically splicing optical fiber connector internal locking device locking this moment optical fiber, optical fiber protrudes the ceramic insertion core height and namely is determined, and the 3rd step plane can be guaranteed the exhaust smoothness at ferrule endface endoporus place, and the elimination exhaust does not freely form back pressure and causes the not smooth phenomenon of threading, and can effectively hide and receive in the ceramic core internal hole dirt that may be ejected by optical fiber, guarantee connecting quality.Difference in height between three step planes of metal lock pin one end face has played very important effect to the accurate control that realizes optical fiber protrusion ceramic insertion core height, in general, according to actual needs, when the first step plane exceeds 0.01mm than second step plane, the second step plane can closely be connected with the mechanically splicing optical fiber connector, so just can realize optical fiber is protruded the accurate control of ceramic insertion core height, the optical fiber evagination height that can guarantee again required location is difficult for being fractureed, and can also make the optical loss after connector continues drop to minimum; As long as the height of the 3rd step plane can be set its height according to actual needs lower than second step plane.

In optical fiber locator described in the utility model, put both sides in the steady arm body and be provided with raised line, and the cover of the first adapter in steady arm pedestal base plane symmetria bilateralis is provided with dog clutch, after overcoat inserts shell, in the dog clutch that puts of the raised line that puts and the first adapter interlock, so just can guarantee that the steady arm body is more firm with being connected of steady arm pedestal, and be detachable connection, simple in structure, easy to operate.

In optical fiber locator described in the utility model, porcelain bushing runs through the first adapter cover and the second adapter cover, and porcelain bushing still places in the middle hollow circular cylinder of the first adapter cover and the second adapter cover, do not stretch out the port of the first adapter cover and the second adapter cover, this touches the condition of providing convenience for metal lock pin and ceramic insertion core in porcelain bushing.

In optical fiber locator described in the utility model, the metal lock pin is inserted in the porcelain bushing by the first adapter cover after passing inner sleeve, for touching of metal lock pin and ceramic insertion core provides chance, thereby be more conducive to realize optical fiber is protruded the accurate control of ceramic insertion core height.

In optical fiber locator described in the utility model, metal lock pin, caudal peduncle, spring, inner sleeve, spring base, overcoat, adapter cover etc. all belong to known technology, adopt this area routine techniques all can realize the technical program.

In optical fiber locator described in the utility model, porcelain bushing also belongs to known technology, and ceramic hardness is high, and wearing quality is good, so the sleeve pipe that adopts pottery to make has advantages of that also hardness is high, wearing quality good.

The beneficial effects of the utility model have provided a kind of optical fiber locator, and that this optical fiber locator has is simple in structure, easy to operate, control accuracy is high and can reduce advantages such as optical loss after connector continues.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the decomposition texture schematic diagram of the utility model optical fiber locator;

Fig. 2 is the partial enlarged drawing at A place among Fig. 1;

Fig. 3 is the wiring layout of the utility model optical fiber locator;

Now that the label declaration in the accompanying drawing is as follows: 1 is the metal lock pin, and 1a is the first step plane, and 1b is the second step plane, 1c is the 3rd step plane, and 2 is caudal peduncle, and 3 is spring, 4 is inner sleeve, 5 is spring base, and 6 is overcoat, and 7.1 is the first adapter cover, 7.2 be the second adapter cover, 8 is porcelain bushing, and 9 is shell, and 10 is cover plate.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

Preferred embodiment of the present utility model is as follows:

Optical fiber locator described in the utility model is comprised of steady arm body and steady arm pedestal, and as shown in Figure 1, the steady arm body comprises overcoat 6 and places metal lock pin 1, caudal peduncle 2, spring 3, inner sleeve 4 and spring base 5 in the overcoat 6; Metal lock pin 1 one ends are connected with caudal peduncle 2, caudal peduncle 2 is inserted in the inner sleeve 4 of packing into behind the spring 3, as shown in Figure 2, metal lock pin 1 other end end face is provided with first step plane 1a, second step plane 1b and the 3rd step plane 1c that highly successively decreases successively, and this end passes inner sleeve 4; Spring base 5 is wanted to fasten with inner sleeve 4, and spring 3 places in the spring base 5.The steady arm pedestal comprises the first adapter cover the 7.1, second adapter cover 7.2, porcelain bushing 8, shell 9 and cover plate 10, wherein, the first adapter cover the 7.1 and second adapter overlaps in the intermediate groove that snaps in behind 7.2 make-ups in the shell 9, and porcelain bushing 8 runs through the first adapter cover the 7.1 and second adapter cover 7.2; Shell two ends, 9 left and right sides and upper end are opening, and cover plate 10 just is fixed on the upper surface of shell 9; Overcoat 6 inserts the shell 9 from shell left end opening, thereby so that the steady arm body links to each other with the steady arm pedestal, metal lock pin 1 stretches in the porcelain bushing 8.

In use, the steady arm body is inserted in the steady arm pedestal from shell 9 left end openings, the mechanically splicing optical fiber connector is inserted in the steady arm pedestal from shell 9 right-end openings, the intrinsic metal lock pin 1 of steady arm this moment is by in the first adapter cover 7.1 porcelain bushings 8 that place in the steady arm pedestal, the ceramic insertion core of mechanically splicing optical fiber connector is also by in the second adapter cover 7.2 porcelain bushings 8 that stretch in the steady arm pedestal, so that first step plane 1a and ferrule endface on metal lock pin 1 end face are closely touched; Insert in the connector through the optical fiber after the fixed length cutting, and after stretching out, the connector ceramic insertion core moves on, move ahead until touch rear just stopping with second step plane 1b, this moment, optical fiber was locked by mechanically splicing optical fiber connector internal locking device, and the height of optical fiber protrusion ceramic insertion core is namely accurately controlled.

Claims

1. optical fiber locator, it is characterized in that, comprise steady arm body and steady arm pedestal, described steady arm body comprises overcoat (6) and is built in metal lock pin (1), caudal peduncle (2), spring (3), inner sleeve (4) and spring base (5) in the overcoat (6);

Described metal lock pin (1) one end and caudal peduncle (2) are fixing, described caudal peduncle (2) is inserted in the inner sleeve (4) of packing into behind the spring (3), metal lock pin (1) other end passes inner sleeve (4), and this end face is provided with first step plane (1a), second step plane (1b) and the 3rd step plane (1c) that highly successively decreases successively; Described spring base (5) fastens with inner sleeve (4), and spring (3) places in the spring base (5);

Described steady arm pedestal comprises the first adapter cover (7.1), the second adapter cover (7.2), porcelain bushing (8), shell (9) and cover plate (10), snap in behind described the first adapter cover (7.1) and the second adapter cover (7.2) make-up in the intermediate groove in the shell (9), described porcelain bushing (8) runs through the first adapter cover (7.1) and the second adapter cover (7.2);

Described shell (9) left and right sides both ends of the surface and upper surface are opening, and described cover plate (10) is fixed on shell (9) upper surface;

Described steady arm body inserts shell (9) left end opening by overcoat (6) and links to each other with the steady arm pedestal;

Described metal lock pin (1) inserts in the porcelain bushing (8) after passing inner sleeve (4).