CN117666036A - Optical fiber connector component and optical fiber connector - Google Patents

Abstract

The invention provides an optical fiber connector component and an optical fiber connector, wherein the optical fiber connector component comprises a shell and an optical fiber fixing assembly, one end of the shell is provided with a plurality of clamping parts which extend outwards along an axis, and the clamping parts are matched with each other to clamp an armored optical cable; the other end of the shell is provided with a cavity for accommodating the optical fiber fixing component; the optical fiber fixing assembly is provided with a fixing piece, a fixing cover, a clamping spring and a ceramic ferrule, wherein the fixing piece is provided with a fixing groove which extends along an axis and has a target shape, an inserting port for an inserting piece to enter is formed in a buckling position of the fixing cover and the fixing piece, and the inserting piece is used for adjusting the distance between the fixing cover and the fixing piece so that an optical fiber can be inserted into the fixing groove; the clamping spring is used for configuring the fixing cover on the fixing piece so as to be matched and fixed with the optical fiber. The invention completes the alignment and connection of the armored optical cable, improves the assembly efficiency and is convenient for field assembly.

Description

Optical fiber connector component and optical fiber connector

Technical Field

The present invention relates to the field of optical fiber connectors, and in particular, to an optical fiber connector component and an optical fiber connector.

Background

With the increasing demand for optical fiber communication, a large number of optical fiber cables are required to be laid in a communication network for transmitting mass data, and various types of optical cables are developed, so that an armored optical cable is one of them. The armoured optical cable is an optical cable for long distance transmission and has important application in telecommunication optical fiber long distance line and two-level trunk line transmission. The existing connectors applied to armored optical cables are prefabricated in factories at present, and are inconvenient to assemble and use on site.

Disclosure of Invention

The invention provides an optical fiber connector component and an optical fiber connector, which are used for solving the defects that connectors applied to armored optical cables in the prior art are prefabricated in factories and are inconvenient to assemble and use on site.

The present invention provides an optical fiber connector part comprising:

the optical cable connector comprises a shell, a plurality of clamping parts and a plurality of connecting pieces, wherein one end of the shell is provided with a plurality of clamping parts which extend outwards along an axis, and the clamping parts are matched with each other to clamp an armored optical cable; the other end of the shell is provided with a cavity for accommodating the optical fiber fixing component;

the optical fiber fixing assembly is provided with a fixing piece, a fixing cover, a clamping spring and a ceramic ferrule arranged at one end of the fixing piece, wherein the fixing piece is provided with a fixing groove in a target shape extending along an axis, an inserting port for an inserting piece to enter is formed in a buckling position of the fixing cover and the fixing piece, and the inserting piece is used for adjusting the distance between the fixing cover and the fixing piece so that an optical fiber can be inserted into the fixing groove; the clamping spring is used for configuring the fixing cover on the fixing piece so as to be matched and fixed with the optical fiber.

According to the optical fiber connector component provided by the invention, the inner side surface of the clamping part is provided with the clamping piece matched with the armored optical cable and the bearing piece opposite to the clamping piece in position, and the bearing piece is used for bearing the armored optical cable.

According to the optical fiber connector component provided by the invention, the shell is provided with the opening corresponding to the insertion port, so that the insertion piece enters the insertion port after passing through the opening.

According to the optical fiber connector component provided by the invention, one end of the fixing piece is provided with the abutting part, the inside of the cavity is provided with the abutting step corresponding to the abutting part, and the abutting part and the abutting step are matched to fix the optical fiber fixing assembly in the cavity.

According to the optical fiber connector component provided by the invention, the other end of the fixing piece is provided with the tubular part, the outer surface of the tubular part is sleeved with the elastic piece, and the elastic piece drives the optical fiber fixing assembly to move in the cavity along the axial direction by elastic force and provides extrusion force for the ceramic ferrule.

According to the optical fiber connector component provided by the invention, the clamping spring is of a multi-section structure.

According to the optical fiber connector component provided by the invention, the number of the clamping parts is 2, and the two clamping parts are oppositely arranged.

The invention also provides an optical fiber connector, which comprises the optical fiber connector component, a tail cap, a gland and a top cap, wherein the tail cap is arranged at the tail part of the optical fiber connector component, the gland is sleeved at the top of the optical fiber connector component, and the top cap is sleeved outside the gland.

According to the optical fiber connector provided by the invention, the position, close to the clamping part, of the optical fiber connector component is provided with the threads, the tail cap is internally provided with the internal threads, and the tail end of the tail cap is gradually folded.

According to the optical fiber connector provided by the invention, the outer surface of the optical fiber connector part is provided with the crimping piece, and the crimping piece is connected with the gland.

According to the optical fiber connector component and the optical fiber connector, the armored optical cable is fixed through the clamping part, the optical fiber is fixed through the fixing piece, the fixing cover and the clamping spring, the distance between the fixing cover and the fixing piece is opened through the inserting piece so as to penetrate the optical fiber, and after the inserting piece is taken out, the fixing piece and the fixing cover are clamped under the action of the clamping spring, so that the optical fiber is fixed, the alignment and connection of the armored optical cable are completed, the assembly efficiency is improved, and the on-site assembly is convenient.

Drawings

In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic exploded view of a fiber optic connector component according to the present invention;

FIG. 2 is a schematic view of a fiber optic connector assembly provided by the present invention;

FIG. 3 is a schematic view of the structure of the clip and carrier;

FIG. 4 is a schematic diagram of an assembled structure of fiber optic connector components provided by the present invention;

FIG. 5 is a schematic view of the internal structure of the housing;

FIG. 6 is a schematic view of an optical fiber connector according to the present invention

Fig. 7 is another schematic structural view of an optical fiber connector according to the present invention.

Reference numerals:

1-a housing; 110-opening; 120-abutting the step; 130-inner wall; 140-screw thread; 150-crimping the piece; 2-a clamping part; 210-a clamping piece; 220-carrier; 3-fixing parts; 310-abutment; 320-a tubular portion; 4-a fixed cover; 5-clamping springs; 6-ceramic ferrule; 7-inserting ports; 8-tail cap; 9-capping; 10-top cap.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on those shown in the drawings, are merely for convenience in describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.

In the examples herein, a first feature "on" or "under" a second feature may be either the first and second features in direct contact, or the first and second features in indirect contact via an intermediary, unless expressly stated and defined otherwise. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The fiber optic connector components and fiber optic connectors according to the present invention are described below in conjunction with fig. 1-7.

Referring to fig. 1 and 2, the present invention provides an optical fiber connector part including:

the optical cable clamping device comprises a shell 1, wherein one end of the shell 1 is provided with a plurality of clamping parts 2 which extend outwards along an axis, and the clamping parts 2 are matched with each other to clamp an armored optical cable; the other end of the shell 1 is provided with a cavity for accommodating an optical fiber fixing assembly;

the optical fiber fixing assembly is provided with a fixing piece 3, a fixing cover 4, a clamping spring 5 and a ceramic ferrule 6 arranged at one end of the fixing piece, wherein the fixing piece is provided with a fixing groove 310 which extends along an axis and has a target shape, an inserting opening 7 for an inserting piece to enter is arranged at the buckling position of the fixing cover 4 and the fixing piece 3, and the inserting piece is used for adjusting the distance between the fixing cover 4 and the fixing piece 3 so that an optical fiber is inserted into the fixing groove 310; the clamping spring 5 configures the fixing cover 4 on the fixing member 3 to cooperatively fix the optical fiber.

Optionally, the optical fiber connector component provided by the invention is an FC optical fiber connector FC (Ferrule Connector, sleeve connector) which is a typical plug-in connector in an optical fiber connector, and the FC optical fiber connector has a circular structure.

Alternatively, the whole shell 1 is cylindrical and has uniform thickness.

Optionally, the clamping parts 2 are uniformly arranged at intervals, and the tail parts of the clamping parts 2 can move inwards to generate an acting force on the armored optical cable, so that the armored optical cable is clamped in a matching way.

Preferably, the number of the clamping parts 2 is 2, and two clamping parts are oppositely arranged.

Alternatively, the fixing groove 310 is V-shaped, and provides force to the optical fiber through two sides of the V-shaped groove, and the V-shaped groove can adapt to optical fibers with different diameters, and can contact with the sides of the V-shaped groove no matter what the diameter of the optical fiber is.

Alternatively, the length of the insertion opening 7 corresponds to the length of the fixed cover 4.

Alternatively, the clip spring 5 has an elastic force, has an arc-shaped cross section, can wrap the fixing member 3 and the fixing cover 4, and is provided with a notch so as to expose the insertion port 7. The angle of the notch of the clip 5 is not smaller than the corresponding angle of the insertion port 7.

When in use, the fixed cover 4 is arranged above the fixed piece 3, the buckling part of the fixed cover 4 and the fixed piece 3 is provided with the insertion opening 7, the clamping spring 5 is used for fixing the fixed cover 4 and the fixed piece 3, and then the optical fiber fixing assembly consisting of the fixed piece 3, the fixed cover 4, the clamping spring 5 and the ceramic ferrule 6 is arranged in the cavity. When the optical fiber needs to be opened, the fixed cover 4 can be pushed open by inserting an insert piece which is wider than the inserting port 7, so that the optical fiber can be inserted into the fixed groove 310; a through hole is provided between the clamping part and the cavity for the passage of the optical fiber into the fixture 3.

It can be understood that the armored optical cable is fixed by arranging the clamping part 2, the optical fiber is fixed by the fixing piece 3, the fixing cover 4 and the clamping spring 5, the distance between the fixing cover 4 and the fixing piece 3 is opened by the inserting piece so as to penetrate the optical fiber, and after the inserting piece is taken out, the fixing piece 3 and the fixing cover 4 are clamped under the action of the clamping spring 5, so that the optical fiber is fixed, the alignment and connection of the armored optical cable are completed, the assembly efficiency is improved, and the on-site assembly is convenient.

On the basis of the above embodiment, as an alternative embodiment, as shown in fig. 3, the inner side surface of the clamping portion 2 is provided with a clamping member 210 matched with the armored optical cable and a bearing member 220 opposite to the clamping member 210, and the bearing member 220 is used for bearing the armored optical cable.

Alternatively, the clip 210 has a triangular latch shape protruding outward, and can be matched with a metal tube of an armored optical cable.

Optionally, the carrier 220 is an outwardly convex stepped structure capable of carrying the armored fiber optic cable.

It can be appreciated that, in the embodiment of the present invention, by providing the clamping member 210 and the bearing member 220, the adaptation degree between the clamping portion 2 and the armored optical cable can be further increased, and the installation stability of the armored optical cable can be improved.

On the basis of the above-described embodiment, as an alternative embodiment, as shown in fig. 4, the housing 1 is provided with an opening 110 corresponding to the insertion port 7, so that the insert enters the insertion port 7 after passing through the opening 110.

Optionally, the width of the opening 110 is not smaller than the insert, avoiding damage to the opening 110 by the insert.

Alternatively, the openings 110 may alternatively be provided in multiple segments.

It will be appreciated that the present embodiment may facilitate insertion of the insert by providing the opening 110.

On the basis of the above embodiment, as an alternative embodiment, as shown in fig. 5, an abutment portion 310 is provided at one end of the fixing member 3, an abutment step 120 corresponding to the abutment portion 310 is provided in the cavity, and the abutment portion 310 and the abutment step 120 cooperate to fix the optical fiber fixing assembly in the cavity.

Alternatively, one end of the ferrule 6 is provided at the abutment 310.

Optionally, the abutment 310 is square. The front end of the square abutment 310 abuts against the abutment step 120.

It will be appreciated that by providing the abutment 310, the stability of the fixture 3 within the cavity can be improved.

On the basis of the above embodiment, as an alternative embodiment, the other end of the fixing member 3 is provided with a tubular portion 320, and an elastic member (not shown in the drawing) is sleeved on the outer surface of the tubular portion 320, and the elastic member drives the optical fiber fixing assembly to move in the axial direction in the cavity by using elastic force, and provides extrusion force for the ferrule.

Alternatively, the elastic member is a spring, one end of the spring is abutted against the fixing member 3, and the other end is abutted against the inner wall 130 at the rear end of the housing 1. The fixing member 3 can move in a small range back and forth in the housing 1, and the spring provides forward thrust for the fixing member 3, so that enough extrusion force can be generated when the ferrule 6 is in contact with external equipment.

It can be appreciated that, in the embodiment of the present application, by setting the tubular portion 320 and the elastic member, flexibility of the optical fiber fixing assembly can be improved, and meanwhile, when the ferrule 6 contacts with external equipment, enough extrusion force can be generated, so that good contact of the optical fiber is ensured, and stability of the optical fiber is improved.

On the basis of the above embodiment, as an alternative embodiment, the clip 5 is a multi-stage structure.

It can be appreciated that the effect of fixing the optical cable by adopting the clamping springs 5 with multiple sections is better, and the stability of the embodiment of the application is improved.

The following describes the optical fiber connector provided by the present invention, and the optical fiber connector described below and the optical fiber connector component described above can be referred to correspondingly with each other.

FIG. 6 is a schematic view of an optical fiber connector according to the present invention; fig. 7 is another schematic structural view of an optical fiber connector according to the present invention.

Referring to fig. 6 and 7, the present invention further provides an optical fiber connector, which comprises the optical fiber connector component, and further comprises a tail cap 8, a gland 9 and a top cap 10, wherein the tail cap 8 is arranged at the tail part of the optical fiber connector component, the gland 9 is sleeved at the top of the optical fiber connector component, and the top cap 10 is sleeved outside the gland.

It can be appreciated that the assembly process of the optical connector provided by the embodiment of the application does not need to turn over a cover, and is simpler in structure and convenient to use.

On the basis of the above embodiment, as an alternative embodiment, the optical fiber connector component is provided with threads 140 near the holding portion, the tail cap 8 is provided with internal threads (not shown in the figure), and the tail end of the tail cap 8 is gradually folded.

Optionally, the tail cap 8 is a hard material.

It can be appreciated that the rear end of the tail cap 8 is gradually folded, and the clamping part 2 is gradually folded in the process of rotationally fixing the tail cap 8 on the shell 1, so that the clamping part 2 clamps the armored cable, thereby facilitating field assembly.

On the basis of the above embodiment, as an alternative embodiment, the outer surface of the optical fiber connector component is provided with a crimp member 150, and the crimp member 150 is connected with the gland 8.

Optionally, the crimp 150 is provided on the outer surface of the housing 1.

Optionally, the crimp 150 is snapped onto the gland 8.

It can be appreciated that the fixing effect can be improved and the stability of the optical fiber connector can be improved by arranging the crimping member 150.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An optical fiber connector component, comprising:

the optical cable connector comprises a shell, a plurality of clamping parts and a plurality of connecting pieces, wherein one end of the shell is provided with a plurality of clamping parts which extend outwards along an axis, and the clamping parts are matched with each other to clamp an armored optical cable; the other end of the shell is provided with a cavity for accommodating the optical fiber fixing component;

the optical fiber fixing assembly is provided with a fixing piece, a fixing cover, a clamping spring and a ceramic ferrule arranged at one end of the fixing piece, wherein the fixing piece is provided with a fixing groove in a target shape extending along an axis, an inserting port for an inserting piece to enter is formed in a buckling position of the fixing cover and the fixing piece, and the inserting piece is used for adjusting the distance between the fixing cover and the fixing piece so that an optical fiber can be inserted into the fixing groove; the clamping spring is used for configuring the fixing cover on the fixing piece so as to be matched and fixed with the optical fiber.

2. The fiber optic connector component according to claim 1, wherein the inner side of the clamping portion is provided with a clamping member for mating with the armored fiber optic cable and a carrier opposite the clamping member for carrying the armored fiber optic cable.

3. The fiber optic connector assembly of claim 1, wherein the housing is provided with an opening corresponding to the insertion opening such that the insert enters the insertion opening after passing through the opening.

4. The fiber optic connector component according to claim 1, wherein the securing member has an abutment at one end, the cavity has an abutment step therein corresponding to the abutment, and the abutment step cooperate to secure the fiber optic securing assembly within the cavity.

5. The fiber optic connector component according to claim 1, wherein the other end of the fixing member is provided with a tubular portion, an outer surface of the tubular portion is sleeved with an elastic member, and the elastic member drives the fiber optic fixing assembly to move in the axial direction in the cavity by elastic force and provides a pressing force to the ferrule.

6. The fiber optic connector component of claim 1, wherein the clip spring is a multi-segment structure.

7. The fiber optic connector component of claim 1, wherein the number of gripping portions is 2, two of the gripping portions being disposed opposite each other.

8. An optical fiber connector, comprising the optical fiber connector part according to any one of claims 1 to 7, further comprising a tail cap, a gland and a top cap, wherein the tail cap is arranged at the tail part of the optical fiber connector part, the gland is sleeved at the top of the optical fiber connector part, and the top cap is sleeved outside the gland.

9. The fiber optic connector of claim 8, wherein the fiber optic connector member is threaded adjacent the clamping portion, wherein the tail cap has internal threads therein, and wherein the tail end of the tail cap is tapered.

10. The fiber optic connector of claim 8, wherein the outer surface of the fiber optic connector member is provided with a crimp member, the crimp member being connected to the gland.