CN213690049U

CN213690049U - Communication optical fiber distribution box

Info

Publication number: CN213690049U
Application number: CN202023104602.1U
Authority: CN
Inventors: 秦子霞
Original assignee: Tianjin Baozhu Technology Development Co ltd
Current assignee: Tianjin Baozhu Technology Development Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-07-13
Anticipated expiration: 2030-12-21

Abstract

The utility model provides a communication optical fiber divides fine box, comprises a box bod, box body one end inlet wire groove, its other end are equipped with two wire grooves, and the inlet wire groove opening part can be dismantled and be equipped with and sticiss fixed lid to communication optical fiber, and the correspondence of wire groove opening part is equipped with sticiss fixed clamp plate to the fibre core, and central point puts the department in the box body and is equipped with fibre core length compensation mechanism, the box body is equipped with the guide structure to the fibre core direction of being qualified for the next round of competitions in two wire groove import departments of next. In the design, the guide structure for guiding the outgoing direction of the fiber core is arranged in the box body, the fiber core after fiber separation is smoothly guided into the outgoing line groove through the guide structure, smooth and smooth line routing is guaranteed when the fiber core is outgoing, sharp corners are prevented from appearing in the process of line routing of the fiber core, the fiber core is prevented from being broken, and smooth installation of the fiber core is guaranteed.

Description

Communication optical fiber distribution box

Technical Field

The utility model belongs to communication optical fiber installs the field, especially relates to a communication optical fiber divides fine box.

Background

The communication optical fiber needs to be subjected to fiber splitting treatment when in use, for example, before an optical fiber consisting of two fiber cores is installed, the two fiber cores need to be separated, and then the two fiber cores are respectively and fixedly installed with matched connectors.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a communication optical fiber divides fine box to realize communication optical fiber divides fine back fibre core fixed mounting.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a communication fiber divides fine box, includes the box body, box body box bottom one end is equipped with the ascending inlet wire groove of opening, and its other end is equipped with two ascending wire outlet grooves of opening difference, inlet wire groove and wire outlet groove central line level and parallel arrangement of each other, inlet wire groove opening part can be dismantled and be equipped with and sticis fixed lid to communication fiber, the correspondence of wire outlet groove opening part is equipped with sticiss fixed clamp plate to the fibre core, central point department of putting is equipped with fibre core length compensation mechanism in the box body, the box body is equipped with the guide structure to the fibre core direction of being qualified for the next round of competitions in two wire outlet.

Furthermore, the fiber core length compensation mechanism comprises a vertical plate arranged at the center of the box bottom of the box body, a supporting flat plate is fixedly arranged at the top of the vertical plate, a long strip hole with a long edge perpendicular to the central line of the wire inlet groove is formed in the supporting flat plate, two guide wheels corresponding to the fiber core are arranged below the supporting flat plate respectively, two mounting shafts of the two guide wheels are arranged vertically, the top of each mounting shaft of each guide wheel extends out of the long strip hole in the upward direction, a nut is matched with the top of each mounting shaft, and the guide wheels are tightly pressed and fixed on the bottom surface of the supporting flat.

Furthermore, the circumferential surface of the guide wheel is provided with a ring groove corresponding to the fiber core.

Furthermore, the guide structure comprises guide posts which are respectively arranged on the left side of the inlet end of the wire outlet groove on the left side and the right side of the inlet end of the wire outlet groove on the right side, and the fiber cores enter the wire outlet groove after being guided by the guide posts after fiber splitting.

Further, the cover is clamped with the wire inlet groove.

Furthermore, the clamp plate stretches across the two wire outlet grooves, each wire outlet groove is provided with a avoiding groove corresponding to the clamp plate, the avoiding groove of one wire outlet groove and the avoiding groove of the other wire outlet groove are correspondingly arranged, the box body box bottom is provided with a threaded hole corresponding to the clamp plate at the adjacent position of the two wire outlet grooves, the threaded hole corresponds to a screw, and the clamp plate tightly presses and fixes the fiber core in the wire outlet groove through the screw.

Furthermore, the bottom surface of the pressing plate is provided with two grooves corresponding to the fiber cores respectively, and the bottoms of the grooves are of concave arc surface structures.

Compared with the prior art, a communication optical fiber divides fine box have following advantage:

(1) in the design, a mechanism for reserving the fiber core length after fiber splitting is arranged in the box body, a compensation structure for fiber core and joint installation is formed, the time requirement during fiber core joint installation or maintenance is met, fiber splitting operation is omitted again, and installation and maintenance efficiency is improved.

(2) In the design, the guide structure for guiding the outgoing direction of the fiber core is arranged in the box body, the fiber core after fiber separation is smoothly guided into the outgoing line groove through the guide structure, smooth and smooth line routing is guaranteed when the fiber core is outgoing, sharp corners are prevented from appearing in the process of line routing of the fiber core, the fiber core is prevented from being broken, and smooth installation of the fiber core is guaranteed.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a front view of a communication fiber distribution box according to the present embodiment;

fig. 2 is a left side view of a fiber distribution box for communication optical fibers according to the present embodiment;

fig. 3 is a top view of an internal structure of a telecommunication optical fiber distribution box according to this embodiment;

FIG. 4 is a view A-A of FIG. 3;

FIG. 5 is a view B-B of FIG. 3;

fig. 6 is a perspective view of the pressing plate according to the present embodiment.

Description of reference numerals:

1-box body; 2-a wire inlet groove; 22-a cover; 3, erecting a plate; 4-outlet groove; 5-a support plate; 51-elongated holes; 6-a guide wheel; 61-ring groove; 7-a nut; 8-pressing a plate; 9-a guide post; 10-screw.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, a communication optical fiber distribution box includes a box body 1, and in this embodiment, the box body 1 is a square box body structure. As shown in fig. 2, the left end of the bottom of the box body 1 is provided with a wire inlet groove 2 with an upward opening, the right end of the box body is provided with two wire outlet grooves 4 with upward openings, the central lines of the wire inlet groove 2 and the wire outlet grooves 4 are arranged horizontally and in parallel, the outer ends of the wire inlet groove 2 and the wire outlet grooves 4 extend out of the box body 1 respectively, it is ensured that optical fibers formed by two fiber cores can be smoothly led into the box body 1 through the wire inlet groove 2, and after the optical fibers are divided into the box body 1, the two fiber cores are respectively led out through one wire. In this embodiment, the wire inlet groove 2 is arranged at the center of the left end of the bottom of the box body 1, the two wire outlet grooves 4 are arranged at the right end of the box body 1, and the two wire outlet grooves 4 are symmetrically arranged about the center line of the wire inlet groove 2. As shown in fig. 3, a cover 22 for pressing and fixing the communication optical fiber is clamped at the opening of the wire inlet slot 2, and after the cover 22 is clamped in the wire inlet slot 2, the communication optical fiber is pressed and fixed in the wire inlet slot 2 through the cover 22. The opening of the wire outlet groove 4 is correspondingly provided with a pressing plate 8 for pressing and fixing the fiber core, the central position in the box body 1 is provided with a fiber core length compensation mechanism, and the box body 1 is provided with a guide structure for guiding the outgoing wire of the fiber core at the position close to the inlets of the two wire outlet grooves 4.

As shown in fig. 3 and 4, the fiber core length compensation mechanism has a specific structure that the fiber core length compensation mechanism includes a vertical plate 3 disposed at the center of the bottom of a box body 1, a supporting plate 5 is fixedly disposed on the top of the vertical plate 3, the supporting plate 5 is provided with a strip hole 51 with a long side perpendicular to the center line of a wire inlet groove 2, two guide wheels 6 corresponding to one fiber core are respectively disposed below the supporting plate 5, respective mounting shafts of the two guide wheels 6 are vertically disposed, the top of the mounting shaft of each guide wheel 6 is upwardly extended from the strip hole 51, an external thread is disposed on the top of the mounting shaft, a nut 7 is matched with the top of the mounting shaft, and the guide wheels 6 are tightly pressed and fixed on the bottom surface of. The principle of the fiber core length compensation mechanism is as follows: the optical fiber enters the box body 1 from the wire inlet groove 2 and then is divided into fibers, two fiber cores are respectively guided by a guide wheel 6 and then are led out from the wire outlet groove 4, because the wire inlet groove 2, the outer end of the circumferential surface of the guide wheel 6 and the wire outlet groove 4 are not on the same straight line, namely the wire inlet groove 2, the outer end of the circumferential surface of the guide wheel 6 and the wire outlet groove 4 form a triangular structure, compared with the structure that the optical fiber is led out from the wire outlet groove after the optical fiber is divided into fibers through the wire inlet groove 2, the fiber core length is reserved through the structure, so that the length of the optical fiber is convenient to compensate during the installation or maintenance of the optical fiber, and meanwhile, because the position of the. Therefore, the design compensates the length of the fiber core, ensures the length of the fiber core during installation or maintenance, and omits the operation of splitting the optical fiber again. In this embodiment, in order to improve the stable support of the fiber core, the circumferential surface of the guide wheel 6 is provided with a ring groove 61 corresponding to the fiber core.

As shown in fig. 3, due to the fine structure of the fiber core itself, in order to prevent the occurrence of a sharp corner in the fiber core output process, that is, to prevent the occurrence of fiber core breakage due to the sharp corner, the guiding structure provided in the box bottom 1 includes a guiding post 9 respectively provided on the left side of the inlet end of the wire outlet groove 4 located on the left side and on the right side of the inlet end of the wire outlet groove 4 located on the right side, and after fiber separation, the fiber core smoothly and smoothly enters the wire outlet groove 4 after being guided by the guiding post 9, thereby ensuring smooth output of the fiber core.

As shown in fig. 3 and 5, in this embodiment, the pressing plate 8 spans two outlet grooves 4, two groove walls of each outlet groove 4 are opposite to each other and provided with an avoidance groove corresponding to the pressing plate 8, and the avoidance groove of one outlet groove 4 and the avoidance groove of the other outlet groove 4 are arranged correspondingly, a threaded hole corresponding to the pressing plate 8 is provided at a position adjacent to the two outlet grooves 4 at the box bottom of the box body 1, the threaded hole corresponds to a screw 10, and the pressing plate 8 tightly presses and fixes the fiber core in the outlet groove 4 through the screw 10. The two fiber cores are simultaneously and tightly pressed and fixed in the wire outlet groove 4 through the pressing plate 8, and the installation speed is improved.

As shown in fig. 6, the bottom surface of the pressing plate 8 is provided with two grooves corresponding to one fiber core, and the bottom of each groove is of an inward concave arc surface structure.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A communication optical fiber distribution box is characterized in that: including box body (1), box body (1) box bottom one end is equipped with ascending inlet wire groove (2) of opening, and its other end is equipped with two ascending wire outlet grooves (4) of opening difference, inlet wire groove (2) and wire outlet groove (4) central line level and parallel arrangement of each other, inlet wire groove (2) opening part can be dismantled and be equipped with and sticis fixed lid (22) to communication optical fiber, wire outlet groove (4) opening part correspondence is equipped with and sticiss fixed clamp plate (8) to the fibre core, central point department of putting is equipped with fibre core length compensation mechanism in box body (1), box body (1) is equipped with the guide structure to the fibre core direction of being qualified for the next round of competitions in two wire outlet groove (4) import departments of next.

2. A telecommunications fiber optic drop box according to claim 1, wherein: the fiber core length compensation mechanism comprises a box body (1) and a vertical plate (3) arranged at the center of the bottom of the box, a supporting flat plate (5) is fixedly arranged at the top of the vertical plate (3), a long edge and a slot inlet (2) central line vertical strip hole (51) are formed in the supporting flat plate (5), two guide wheels (6) corresponding to the fiber core are arranged below the supporting flat plate (5) respectively and separately, respective installation shafts of the two guide wheels (6) are vertically arranged, the top of the installation shaft of each guide wheel (6) is upwards extended out of the strip hole (51), a nut (7) is matched with the top of the installation shaft, and the guide wheels (6) are tightly pressed and fixed on the bottom surface of the supporting flat plate (5) through the nut.

3. A telecommunications fiber optic drop box according to claim 2, wherein: and a ring groove (61) corresponding to the fiber core is formed on the circumferential surface of the guide wheel (6).

4. A telecommunications fiber optic drop box according to claim 1, 2 or 3, wherein: the guide structure comprises guide posts (9) which are respectively arranged on the left side of the inlet end of the outlet groove (4) on the left side and the right side of the inlet end of the outlet groove (4) on the right side, and the fiber cores enter the outlet groove (4) after being guided by the guide posts (9) after fiber splitting.

5. A telecommunications fiber optic drop box according to claim 1, wherein: the cover (22) is clamped with the wire inlet groove (2).

6. A telecommunications fiber optic drop box according to claim 1, wherein: clamp plate (8) span two outlet groove (4) and set up, each two cell walls in outlet groove (4) are just to seting up the groove of dodging that corresponds with clamp plate (8), and the groove of dodging of one outlet groove (4) and another outlet groove (4) corresponds the setting, the screw hole that corresponds with clamp plate (8) is seted up in two outlet groove (4) adjacent position department to box body (1) box bottom, and this screw hole corresponds there is screw (10), clamp plate (8) sticiss the fibre core through this screw (10) to fix in outlet groove (4).

7. A telecommunications fiber optic drop box according to claim 6, wherein: the bottom surface of the pressing plate (8) is provided with two grooves corresponding to the fiber cores respectively, and the bottoms of the grooves are of concave arc surface structures.