CN2185445Y

CN2185445Y - Optical fibre connector

Info

Publication number: CN2185445Y
Application number: CN 94201875
Authority: CN
Inventors: 李学文
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-27
Filing date: 1994-01-27
Publication date: 1994-12-14
Anticipated expiration: 2004-01-27

Abstract

The utility model relates to an optical fiber connector which is composed of an upper seat body, a lower seat body, an upper bushing, a lower bushing and a conduit. The exteriors of the upper seat body and the lower seat body are provided with screw teeth which are matched with optical fiber line joints, the interiors of the upper seat body and the lower seat body are respectively provided with seat holes which are matched with the outer diameters of the upper bushing and the lower bushing, clamping annular edges are respectively formed in the seat holes, and the upper bushing and the lower bushing are steadily inserted into the upper seat body and the lower seat body; the lower bushing is upwards provided with a sheathing part whose inner diameter is matched with the outer diameter of the conduit for containing the conduit; the inner diameter of the upper bushing is matched with the outer diameter of the sheathing part of the lower bushing for the tight fit of the upper bushing and the lower bushing. By means of the combined structure of the upper bushing, the lower bushing, the conduit, etc., the upper bushing and the lower bushing are tightly assembled in the upper and the lower seat bodies, the screw teeth which are arranged at the exteriors of the upper and the lower seat bodies are used for assembling the optical fiber line joints, and optical fiber lines are connected tightly and steadily in the conduit.

Description

Optical fibre connector

The utility model relates to a kind of joints of optical fibre, particularly relevant for a kind of improvement structure that is applied to the fibre circuit connector, with the joints of optical fibre that can remove the firm novel structure of riveted joint manufacture process and assembly from.

Photoelectricity science and technology has become one of hot issue in recent years, especially improve photoelectricity science and technology energetically and photoelectricity science and technology is classified as under the trend of development in science and technology emphasis in country, more make photoelectricity science and technology be in the flourish stage at home, yet, in photoelectricity science and technology, the most extensively gazed at and application person, nothing more than being optical fiber, laser (laser), CD-ROM device or the like photovoltaic, with the fiber products is example, it can be applicable to the user communication networking of telecommunication bureau, high-performance fighter aircraft control system signal transmission line partly, in the transmission occasion of photoelectric circuit signals such as wire circuit system network line, therefore, the circuit of fiber products connects and assembles the structure of zero annex, by contrast, also just become the fibre circuit configuration to go up considerable link.

Yet, with general fibre circuit when connecting or being transferred on relevant instrument panel or the circuit arrangement, then need by as Fig. 4, the joints of optical fibre shown in Figure 5 or the connection lotus root cooperation usefulness of optical fiber coupling apparatus, two kinds of different fibre circuits are interconnected, and transmit the optical communication message.Yet, with Fig. 4, the structure of the joints of optical fibre shown in Figure 5, it is by seat of honour A, following seat B, last cover C, D traps, the common composition of inner catheter E and collar F institute, wherein, should go up cover C and trap D when being assembled to seat of honour A and following B, because the endoporus of a seat of honour A and a following B is the structure that runs through, so need the mode of elder generation with machining, reach the last cover C and the D riveted of trapping in the endoporus of a following B to seat of honour A, again inner catheter E is placed in the preformed hole in the cover C and the D that traps, and be overlying between the joint of the cover C and the D that traps with collar F cover again, two fibre circuit connectors can be screwed togather respectively to a seat of honour A and a following B, and the optical fiber lotus root of two circuits is closed in inner catheter E.

Therefore, above-mentioned Fig. 4, the structure of commonly using the joints of optical fibre shown in Figure 5 have following shortcoming often in actual assembly and application:

(1) the complicated inconvenience of member assembly;

When being assemblied in seat of honour A and following B because of last cover C and the D that traps, need carry out riveted in the mode of machining, thus need expend more man-hour and manpower, and do not meet the principle of economic benefit of production.

(2) assembly easily produces error and defective products:

Because the last cover C and the D that traps must be undertaken by the mode of machining at fit on, can assembly in a seat of honour A and a following B, so very easily because of the error of the improper generation rigging position of manual operation, and make follow-up inner catheter E and collar F when assembling, easily produce error, and influence the product quality of the joints of optical fibre, and the fraction defective of its product is increased considerably.

When (three) using, the connection line of optic fibre road is rocked, produces transmission error:

Owing to should go up cover C and the binding between the D of trapping, only depend on collar F as going up the cover C and the D phase fit of trapping, so make its composition surface comparatively weak, and can't bear the stress that bigger circuit rocks or shakes, therefore, when the connection of fibre circuit or inspection operation, be subjected to line joint easily and rock operation and stress influence improperly, fibre circuit can't be connected accurately, and cause the error in the light signal transmission or increase the phenomenon of its amount of signal distortion.

Therefore, fundamental purpose of the present utility model is, a kind of joints of optical fibre of novel structure are provided, and makes it by the holding ring edge in the upper and lower pedestal upper and lower sleeve pipe accurately is placed in the upper and lower pedestal, and does not need to process in the riveted mode; Make running casing with fit portion as the stress support face that links between upper and lower sleeve pipe, and make upper and lower sleeve pipe after combination, unlikelyly be subjected to extraneous circuit pulling or rock and influence the accuracy of its assembly; And by another conduit, and can firmly be placed in the cased fit portion, make the fibre circuit that is connected more firm, and increase substantially its light signal and connect the accuracy of transmitting, can reach more increases the assembly of joints of optical fibre convenience and can improve optical fiber connection stability and accuracy, and can improve and commonly use inconvenience and the puzzlement that the joints of optical fibre are easy to produce in assembly and connection.

The purpose of this utility model is realized by following technical scheme.

A kind of joints of optical fibre, including a upper pedestal, lower base, last sleeve pipe, running casing and a conduit constitutes, wherein: all be provided with the screw part that cooperates the fibre circuit joint on this upper pedestal and the lower base, and this upper and lower pedestal is the structure of symmetrical combination, conduit is then by cooperating the optical fiber in the fibre circuit to be constituted, can close connection for the optical fiber mat, and be provided with an endoporus in the screw part of this upper and lower pedestal, in the appropriate position of this endoporus, being extended internally by its inwall is provided with a holding ring edge; Sleeve pipe on one by the shape size that cooperates endoporus in this upper pedestal and holding ring edge is constituted, by the card group of this holding ring edge, reaches assembly firmly in the endoporus of upper pedestal with last sleeve pipe is accurate; One running casing, its lower end is constituted by the ring-type size of endoporus that cooperates lower base and holding ring edge, by the card group of holding ring edge, running casing is accurately reached assembly firmly in the endoporus of lower base, it is characterized in that:

Described running casing extends upward in addition and is provided with a fit portion, and the external diameter of this fit portion constituted by the internal diameter of sleeve pipe in the cooperation, uses last sleeve pipe and running casing are closely cooperated mutually and to strengthen the stress intensity that it is rocked and shakes; The internal diameter of this fit portion is then constituted by the external diameter that cooperates conduit, and for conduit closely firmly is placed in the fit portion, mat closes connection and firmly reach fibre circuit exactly in conduit.

Compared with the prior art the utility model has tangible advantage and good effect.By described embodiment after above technical scheme and the appearance as can be known, the utility model has adopted novel structure, particularly wherein, appropriate position in the containing hole in a upper and lower pedestal, be formed separately a holding ring edge, and cooperate the upper and lower sleeve pipe of containing hole in the upper and lower pedestal to be placed in respectively in this upper and lower pedestal with one, and this holding ring edge of mat accurately is placed in the upper and lower pedestal upper and lower sleeve pipe, and do not need to process in the riveted mode; This running casing extends upward the fit portion that casing inner diameter is gone up in a cooperation in addition, can make running casing directly be sleeved in the sleeve pipe, and with this fit portion as the stress support face that links between upper and lower sleeve pipe, and make upper and lower sleeve pipe after combination, unlikelyly be subjected to extraneous circuit pulling or rock and influence the accuracy of its assembly; Another conduit, by the diameter that cooperates fit portion in the running casing is constituted, and can firmly be placed in the cased fit portion, make the fibre circuit that is connected more firm, and increase substantially its light signal and connect the accuracy of transmitting, can reach more increases the assembly of joints of optical fibre convenience and can improve degree of stability and the accuracy that optical fiber connects, and can improve and commonly use inconvenience and the puzzlement that the joints of optical fibre are easy to produce in assembly and connection.

In sum, the utility model really can reach its intended purposes and effect, it is a novel structural design, the You Yiqi structure more is suitable for practicality and has substantial practicality with effect, the utility model is that initiative did not appear and really belonged in like product again, is in fact one to have the new design of novelty, creativeness and practicality.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is a three-dimensional decomposition chart of the present utility model;

Fig. 2 is a partly three-dimensional decomposition chart of the utility model, is the structure that shows between upper and lower sleeve pipe and conduit;

Fig. 3 is a sectional view of the present utility model;

Fig. 4 is the three-dimensional decomposition chart of the joints of optical fibre commonly used;

Fig. 5 is a sectional view of commonly using the joints of optical fibre;

At first see also Fig. 1, Fig. 2 and shown in Figure 3, the utility model joints of optical fibre 100, include a upper pedestal 10, wherein, the upper end of this upper pedestal 10 is extended and is provided with a screw part 11 that cooperates the fibre circuit joint, the appropriate position in these screw part 11 endoporus 111, and being extended internally by inwall is formed with a holding ring edge 112, and, be provided with a plurality of combination bore 10A at the periphery of upper pedestal 10 lower ends; Lower base 20 in addition, be symmetrical structure then with upper pedestal 10, also be provided with screw part 21, endoporus 211, holding ring edge 212 and combination bore 20A with respect to upper pedestal 10, use under the mutual correspondence by the combination bore 10A of this upper pedestal 10 and

lower base

20 and 20A, screw togather upper pedestal 10 and lower base 20 by bolt 10B, be locked on circuit arrangement or the instrument panel for the joints of optical fibre 100 integral body.

In addition, the endoporus 111 that is shaped as cooperation upper pedestal 10 of last sleeve pipe 30 and the shape of holding ring edge 112 constitute, use when making sleeve pipe 30 on this be placed in the endoporus 111 of upper pedestal 10, make sleeve pipe 30 correct and firmly be placed in the endoporus 111 of upper pedestal 10 with holding ring edge 112; Another running casing 40, lower end are shaped as the endoporus 211 that cooperates lower base 20 and the shape of holding ring edge 212 constitutes, and also can running casing 40 are placed among the endoporus 211 of lower base 20 exactly by its holding ring edge 212; Extend in addition and be provided with a 41(of fit portion as shown in Figures 2 and 3 in the upper end of running casing 40), and the external diameter of this fit portion 41 constituted for cooperating the internal diameter of going up sleeve pipe 30 just, uses to make that running casing 40 is tight to be reached firmly and last sleeve pipe 30 mutual fits; And another conduit 50, its external diameter and length are constituted by the internal diameter of the fit portion 41 that cooperates running casing 40, use and closely be placed in the fit portion 41, and a side of this conduit 50 is cutd open in addition to split a groove 51 is arranged, its objective is in order to increase fibre circuit lotus root in conduit 50 and close elasticity when connecting, promptly constituted the utility model joints of optical fibre 100 as above-mentioned structure.

The joints of optical fibre 100 as shown in Figure 1 to Figure 3, in the actual sets timing, can accurately reach in the endoporus 111,211 that firmly is placed in upper pedestal 10 and the lower base 20 by last sleeve pipe 30 and running casing 40, and do not need to do the location assembling in the mode of machining riveted separately or cooperate with other zero annexes (as the collar) to carry out the assembly manufacturing, and can save man-hour and the manpower of the joints of optical fibre on product is made significantly, and can improve the economic benefit of joints of optical fibre production; In addition in the use, since with the fit portion 41 in the running casing 40 as the be nested additional reinforcement of fashionable stress of last sleeve pipe 30 and running casing 40, and the sleeve pipe on this 30 and the unitized construction of running casing 40 are more firmly reached accurately, and make in conduit 50 mutually each other lotus root close the optical fiber of connection, be not subjected to rocking or influence that joint operation is shaken of fibre circuit, and can improve the degree of accuracy of the utility model joints of optical fibre 100 circuit connection stability and light signal connection transmission significantly, and use to have improved and commonly use inconvenience and the puzzlement that the joints of optical fibre are easy to produce in assembly and use, and be more suitable for practicality.

Claims

1, a kind of joints of optical fibre, including a upper pedestal, lower base, last sleeve pipe, running casing and a conduit constitutes, wherein: all be provided with the screw part that cooperates the fibre circuit joint on this upper pedestal and the lower base, and this upper and lower pedestal is the structure of symmetrical combination, conduit is then by cooperating the optical fiber in the fibre circuit to be constituted, can close connection for the optical fiber mat, and be provided with an endoporus in the screw part of this upper and lower pedestal, in the appropriate position of this endoporus, being extended internally by its inwall is provided with a holding ring edge; Sleeve pipe on one by the shape size that cooperates endoporus in this upper pedestal and holding ring edge is constituted, by the card group of this holding ring edge, reaches assembly firmly in the endoporus of upper pedestal with last sleeve pipe is accurate; One running casing, its lower end is constituted by the ring-type size of endoporus that cooperates lower base and holding ring edge, by the card group of holding ring edge, running casing is accurately reached assembly firmly in the endoporus of lower base, it is characterized in that:

Described running casing extends upward in addition and is provided with a fit portion, and the external diameter of this fit portion constituted by the internal diameter of sleeve pipe in the cooperation, will going up sleeve pipe and running casing closely cooperates mutually, and strengthens the stress intensity that it is rocked and shakes; The internal diameter of this fit portion is then constituted by the external diameter that cooperates conduit, and conduit closely firmly is placed in the fit portion, closes connection and fibre circuit is firmly reached exactly lotus root in conduit.