CN219285467U - Optical fiber terminal box - Google Patents

Abstract

The application relates to the technical field of optical fiber connection and provides an optical fiber terminal box which comprises a wiring shell and a protective cover, wherein a plurality of wiring units are uniformly distributed in the wiring shell; the wire arranging unit comprises a fixed bracket and a plurality of wire arranging frame clamps, wherein the fixed bracket is provided with a plurality of sliding grooves which are vertically arranged, each wire arranging frame clamp is respectively and correspondingly arranged in each sliding groove, and the wire arranging frame clamps are arranged in the sliding grooves in a free sliding manner; a wire arranging opening is arranged on one side of the wire arranging frame clamp far away from the fixed support, and a sealing plug is arranged at the notch position of the wire arranging opening. Based on this, through all block each single core fiber line locate corresponding reason line frame clamp, maintenance personal can find corresponding fiber line when damage needs change appear in one single core fiber line to carry out quick change to the single core fiber that damages, improve single core fiber line maintenance and change's efficiency.

Description

Optical fiber terminal box

Technical Field

The application relates to the technical field of optical fiber connection, in particular to an optical fiber terminal box.

Background

Fiber optic terminal enclosures are terminal equipment for fiber optic cables that function to provide a protective connection for fiber optic cables and distribution pigtails, with splitters or couplers typically mounted therein for splitting the fiber optic signals. Meanwhile, the optical fiber terminal box can provide space for storing the residual optical fiber, and the residual optical fiber is stored in a coiling mode generally, so that the stability of optical fiber signal transmission is ensured.

The prior art discloses an optical fiber terminal box, which comprises a wiring shell and a protective cover which can be opened and closed and is arranged on the wiring shell, wherein a multi-core socket is arranged on one side of the wiring shell, and a multi-core optical fiber coupler connected with the multi-core socket is arranged in the wiring shell; the other side of the wiring shell is provided with a plurality of single-core sockets, and each single-core socket is connected to the multi-core optical fiber coupler through an optical fiber line, so that signals of the externally connected multi-core optical fibers can be shunted to each externally connected single-core optical fiber. The inside a plurality of reason line frames that still are provided with of distribution shell, inside fiber optic line is orderly around locating each reason line frame, can realize coiling to fiber optic line.

However, when the number of single-core optical fiber wires branched by the multi-core optical fiber coupler is generally large, the situation that the optical fiber wires are alternately wound easily occurs after all the optical fiber wires are wound on the wire arranging frame; when one of the optical fiber lines is damaged and needs to be replaced, although the fault of the optical fiber line is determined, maintenance personnel still need to take all coiled optical fiber lines out of the wire arranging frame, and the damaged optical fiber lines can be correspondingly maintained and replaced after the optical fiber lines are separated one by one, so that the optical fiber line is inconvenient to use.

Disclosure of Invention

In order to be able to quickly replace a damaged fiber optic cable, the present application provides a fiber optic terminal enclosure.

The application provides an optical fiber terminal box adopts following technical scheme:

the optical fiber terminal box comprises a wiring shell and a protective cover, wherein a plurality of wiring units are uniformly distributed in the wiring shell; the wire arranging unit comprises a fixed bracket and a plurality of wire arranging frame clamps, wherein the fixed bracket is provided with a plurality of sliding grooves which are vertically arranged, each wire arranging frame clamp is respectively and correspondingly arranged in each sliding groove, and the wire arranging frame clamps are arranged in the sliding grooves in a free sliding manner; a wire arranging opening is arranged on one side of the wire arranging frame clamp far away from the fixed support, and a sealing plug is arranged at the notch position of the wire arranging opening.

By adopting the technical scheme, after the connection of each single-core optical fiber wire inside the wiring shell is completed, all the single-core optical fiber wires can be wound on all the wire arranging units; after the single-core optical fiber wire is clamped into the wire arranging port of one wire arranging frame clamp, the notch position of the wire arranging port is plugged by a plug, so that the single-core optical fiber wire can be firmly clamped; after each single-core optical fiber wire is clamped and arranged on the corresponding wire arranging frame clamp, the wire arranging frame clamps which are arranged in a free sliding mode can enable each single-core optical fiber wire to be sequentially overlapped under the action of gravity, the gap is smaller, and the space occupied by each single-core optical fiber wire which is coiled separately is reduced.

Because each single-core optical fiber wire is coiled separately, when one of the single-core optical fiber wires is damaged and needs to be replaced, maintenance personnel can quickly find the corresponding damaged optical fiber wire, and the single-core optical fiber wire can be quickly separated from the wire arranging unit by taking down the sealing plug, so that the damaged single-core optical fiber can be quickly replaced, and the maintenance and replacement efficiency of the single-core optical fiber wire is improved.

Optionally, the wire arranging frame clip is slidably mounted in the sliding groove through a T-shaped clamping column, the T-shaped clamping column comprises a connecting part and a limiting part which are connected, and one end of the connecting part, which is far away from the limiting part, is connected with the wire arranging frame clip; the connecting portion is matched and penetrated in the sliding groove, the width of the limiting portion is larger than that of the connecting portion, and the limiting portion abuts against the fixing support.

Through adopting foretell technical scheme, the connecting portion of T shape card post wears to locate the groove of sliding, can make reason line frame clamp in the inslot free movement that slides to support in the lateral wall of fixed bolster through the spacing portion of T shape card post, can reduce reason line frame clamp and break away from the possibility of sliding the groove, be favorable to making single core fiber optic line keep orderly coiling, and can stably carry fiber optic signal.

Optionally, the fixing support is further provided with a communication groove which is transversely arranged, the width of the communication groove is matched with the width of the sliding groove, and each sliding groove is communicated with the communication groove; one side of the extension direction of the communication groove is provided with a mounting groove, and the width of the mounting groove is not less than the width of the limiting part.

Through adopting foretell technical scheme, T shape draw-in column can get into the intercommunication inslot and slide the inslot through the mounting groove, and the installer can be according to the quantity of single core fiber optic cable when the installation, with the reason line frame clamp of corresponding quantity pack into slide the inslot, reduces unnecessary reason line frame clamp and occupies the condition emergence that the wiring shell inner space influences the cable and coil.

Optionally, an inner groove is arranged on the inner wall of the wire arranging opening, the inner groove is positioned at the notch of the wire arranging opening, and the inner groove penetrates through two sides of the wire arranging frame clamp in the extending direction; the outside of the sealing plug is provided with an outer convex part which is matched and clamped with the inner groove.

Through adopting foretell technical scheme, through the cooperation of inner groove and outer protruding portion, can improve the shutoff plug and install in the connection compactness of reason line mouth, reduce the shutoff plug accident and break away from the condition that reason line frame pressed from both sides, and then reduce single core fiber optic line and break away from reason line unit and scatter in the inside possibility of distribution shell.

Optionally, the number of the inner grooves is multiple, and all the inner grooves are arranged in an equidistant manner along the direction perpendicular to the fixing support.

By adopting the technical scheme, when the number of coiled single-core optical fiber coils is small, the blocked outer convex part is clamped and arranged in the concave part close to the fixed bracket, so that the optical fiber can be firmly clamped and arranged in the wire arranging frame clamp; when the number of coiled single-core optical fiber coils is large, the outer protruding portion of the plugging plug is clamped in the inner groove far away from the fixing support, the extrusion force from the single-core optical fiber wire, which is received by the plugging plug, can be weakened while the optical fiber wire is firmly clamped, and the possibility that the plugging plug is separated from the wire arranging frame clamp is reduced.

Optionally, all the wire arranging frame clips are distributed on two opposite sides of the fixing support.

Through adopting foretell technical scheme, through with reason line frame clamp distribution in the opposite sides of fixed bolster for each single core fiber optic line can coil respectively in the inside and outside both sides of reason line unit, is favorable to reducing the height after the reason line unit superposes in proper order, reduces the shared inner space of single core fiber optic line of separately coiling, thereby is favorable to designing the distribution shell compacter.

Optionally, the optical fiber coupler is further included; two clamping rings are arranged in the wiring shell, the two clamping rings are arranged at intervals, and the optical fiber coupler is detachably connected between the two clamping rings through an elastic clamping mechanism.

Through adopting foretell technical scheme, can connect fiber coupler between two snap rings fast through elasticity joint mechanism to improve fiber coupler installation and dismantle the convenience of overhauling.

Optionally, the elastic clamping mechanism comprises a sliding rail, a movable clamping block and a compression spring, and the sliding rail is arranged at the bottom of the optical fiber coupler; the number of the movable clamping blocks is two, the two movable clamping blocks are slidably arranged on the sliding rail, clamping parts are respectively arranged on the opposite sides of the two movable clamping blocks, and each clamping part is used for being matched and clamped with the clamping ring; the compression spring is connected between the two movable clamping blocks and used for driving the two movable clamping blocks to be away from each other.

By adopting the technical scheme, when the optical fiber coupler is installed, the two movable clamping blocks are forced to move in opposite directions and the compression springs are forced to shrink inwards, so that the two movable clamping blocks can enter between the two clamping rings; after the external force is removed, the compression spring forces the two movable clamping blocks to be mutually far away, and at the moment, the clamping part of each movable clamping block can be clamped on the clamping ring on the adjacent side, so that the installation of the optical fiber coupler is completed rapidly, and the operation is simple and convenient and the efficiency is high.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting the wire arranging frame clamps, after each single-core optical fiber wire is clamped and arranged on the corresponding wire arranging frame clamps, a maintainer can quickly find the corresponding optical fiber wire when the single-core optical fiber wire is damaged, so that the damaged single-core optical fiber wire can be quickly replaced;

2. through the arrangement of the sliding groove, each single-core optical fiber wire is clamped and arranged on the corresponding wire arranging frame clamp, and then can be sequentially overlapped under the action of gravity, and the gap is smaller, so that the occupied area of each single-core optical fiber wire which is coiled separately can be reduced;

3. through distributing reason line frame clamp in the opposite sides of fixed bolster, be favorable to reducing the height after the reason line unit superposes in proper order, reduce the single core fiber line that separately coils and occupy the inner space to be favorable to making the distribution shell more compact.

Drawings

Fig. 1 is a schematic view of the structure of the protective cover in this embodiment after the protective cover is detached from the wiring housing;

fig. 2 is a partial schematic view of the internal structure of the wiring housing in the present embodiment;

FIG. 3 is a bottom view of the fiber optic coupler of the present embodiment;

fig. 4 is an enlarged view at a in fig. 2;

fig. 5 is a schematic structural view of a wire arranging frame clip in the present embodiment.

Reference numerals illustrate: 1. a wiring housing; 11. a multi-core socket; 12. a single-core socket; 13. a clasp; 14. a mounting chamber; 2. a protective cover; 3. a wire arranging unit; 31. a fixed bracket; 311. a slip groove; 312. a communication groove; 313. a mounting groove; 32. a wire arranging frame clamp; 321. a wire arranging port; 322. an inner groove; 33. sealing the plug; 331. an outer protruding portion; 34. t-shaped clamping columns; 341. a connection part; 342. a limit part; 4. an optical fiber coupler; 5. an elastic clamping mechanism; 51. a slide rail; 52. moving the clamping block; 521. a clamping part; 53. compressing the spring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses an optical fiber terminal box.

Referring to fig. 1, an optical fiber termination box includes a wiring housing 1, a protection cover 2, and an optical fiber coupler 4, wherein an installation chamber 14 is provided at the top of the wiring housing 1, and the protection cover 2 is fixed to the wiring housing 1 by bolts and covers the installation chamber 14. A multi-core socket 11 is arranged on one side surface of the wiring housing 1, the optical fiber coupler 4 is arranged in the installation chamber 14, and the optical fiber coupler 4 is close to one side of the wiring housing 1, on which the multi-core socket 11 is arranged; the multi-core sockets 11 are connected with the wiring housing 1 through optical fiber wires, and it is understood that the multi-core sockets 11 and the connected optical fiber couplers 4 can be one group or two or three groups, but the multi-core sockets 11 in the same group need to be correspondingly connected with the optical fiber couplers 4; in this embodiment, the number of the multi-core sockets 11 and the connected optical fiber couplers 4 is three, and the multi-core sockets are arranged side by side.

The other side surface of the wiring shell 1 is provided with a plurality of single-core sockets 12, all the single-core sockets 12 are divided into two groups, and each single-core socket 12 in each group is connected with the optical fiber coupler 4 through an optical fiber wire; by inserting the multicore fibers into the multicore sockets 11, each of the single-core fibers is inserted into each of the single-core sockets 12; the optical fiber coupler 4 used in the present specification is a multi-core optical fiber coupler 4, and can split an optical fiber signal transmitted by a multi-core optical fiber into a plurality of single-core optical fibers, so that each single-core optical fiber is inserted into a corresponding output interface.

Referring to fig. 2, the optical fiber coupler 4 is detachably mounted to the mounting chamber 14 through the elastic clamping mechanism 5; two clamping rings 13 are integrally formed in the mounting chamber 14, and the two clamping rings 13 are arranged at intervals; the whole snap ring 13 is U-shaped, and both ends of the snap ring 13 are respectively connected with the inner bottom wall of the installation chamber 14, so that a limiting space is formed between the snap ring 13 and the inner bottom wall of the installation chamber 14, and the two formed limiting spaces are opposite to each other. Referring to fig. 3, the elastic clamping mechanism 5 includes a sliding rail 51, a moving clamping block 52 and a compression spring 53, wherein the sliding rail 51 is installed at the bottom of the optical fiber coupler 4, the extending direction of the sliding rail 51 is arranged in the same direction as the extending direction of the optical fiber coupler 4, and the two sides of the extending direction of the sliding rail 51 are respectively fixed with a blocking piece.

The number of the movable clamping blocks 52 is two, and the two movable clamping blocks 52 are slidably mounted on the sliding rail 51 together; the opposite sides of the two movable clamping blocks 52 are respectively provided with a clamping part 521, and the clamping parts 521 are positioned at one side of the movable clamping blocks 52 away from the optical fiber coupler 4; the size of the clamping portion 521 is matched with the size of the limiting space, so that the clamping portion 521 can be matched and clamped on the clamping ring 13. The compression spring 53 is connected between the two movable clamping blocks 52, and the compression spring 53 is in a normal compression state, so that an elastic force acting on the movable clamping blocks 52 can be always generated and the two movable clamping blocks 52 are forced to be far away from each other. During specific installation, the two movable clamping blocks 52 are pressed to be close to each other, then the movable clamping blocks 52 are arranged in the area between the two clamping rings 13, and the external force is removed to enable the two movable clamping blocks 52 to be respectively and correspondingly clamped on the clamping rings 13, so that the quick installation and the quick disassembly of the optical fiber coupler 4 are realized.

Returning to fig. 2, a multi-component wire unit 3 is provided inside the wiring housing 1 for coiling the optical fiber between the optical fiber coupler 4 and each single-core jack 12; it should be noted that, in this embodiment, all the optical fiber wires connected to one optical fiber coupler 4 are arranged by four groups of wire arranging units 3, so as to facilitate the arrangement of the optical fiber wires connected to the corresponding optical fiber coupler 4 for maintenance. In other embodiments, all the optical fiber wires connected to one optical fiber coupler 4 may be arranged by two, three or five groups of wire arranging units 3, which is not limited to the manner provided in the present embodiment.

Referring to fig. 4, the wire arranging unit 3 includes a fixing bracket 31 and a plurality of wire arranging frame clips 32, the fixing bracket 31 is arranged in an arc shape, and the fixing brackets 31 of the wire arranging units 3 of each group are symmetrically arranged; the fixed support 31 is provided with a plurality of vertically arranged sliding grooves 311, the sliding grooves 311 penetrate through two sides of the width direction of the fixed support 31, and all the sliding grooves 311 are equidistantly arranged along the extending direction of the fixed support 31.

The number of the wire arranging frame clamps 32 is plural, each wire arranging frame clamp 32 is disposed in the sliding slot 311, and the wire arranging frame clamps 32 are integrally disposed in a U shape. Referring to fig. 5, a wire arranging opening 321 is formed on one side surface of the wire arranging frame clamp 32, and the optical fiber wires can be arranged on the wire arranging frame clamp 32 through the wire arranging opening 321 in a clamping manner; the wire arranging frame clamp 32 is fixed with a T-shaped clamping column 34 at one side far away from the wire arranging port 321, the wire arranging frame clamp 32 is installed in the corresponding sliding groove 311 through the T-shaped clamping column 34, and the wire arranging frame clamp 32 is arranged in the sliding groove 311 in a free sliding manner.

The T-shaped clamping column 34 comprises a connecting part 341 and a limiting part 342 which are integrally formed, wherein the connecting part 341 and the limiting part 342 are both rectangular, and the width of the connecting part 341 is smaller than that of the limiting part 342; the connecting part 341 is connected to one side of the wire arranging frame clamp 32 away from the wire arranging opening 321, and the width of the connecting part 341 is equal to the width of the sliding groove 311, so that the connecting part 341 can penetrate through the sliding groove 311 and move in the sliding groove 311; the limiting portion 342 abuts against the side surface of the fixing support 31, and is used for limiting, so that the situation that the connecting portion 341 is separated from the sliding groove 311 and the wire arranging frame clamp 32 is separated from the fixing support 31 is reduced.

Returning to fig. 4, the fixing bracket 31 is further provided with a communication groove 312 which is transversely arranged, the width of the communication groove 312 is matched with the width of the sliding grooves 311, and each sliding groove 311 is partially communicated with the communication groove 312; the mounting groove 313 is formed in one side of the communication groove 312 along the direction, the width of the mounting groove 313 is not smaller than the width of the clamping portion 521, the T-shaped clamping column 34 can smoothly enter the communication groove 312 through the mounting groove 313, the T-shaped clamping column 34 and the wire arranging frame clamp 32 can be moved to smoothly clamp the wire arranging frame clamp 32 in the sliding groove 311, the mounting is convenient, the wire arranging frame clamp 32 can be correspondingly additionally arranged or taken out, and the situation that the redundant wire arranging frame clamp 32 occupies the space of the mounting chamber 14 is reduced.

In addition, after the wire arranging frame clips 32 are installed in the corresponding sliding grooves 311, all the wire arranging frame clips 32 are distributed on two opposite sides of the fixing support 31, so that each optical fiber wire is coiled on two opposite sides of the fixing support 31, which is beneficial to further reducing the space of the installation chamber 14 occupied by the coiled optical fiber wire.

Returning to fig. 5, a blocking plug 33 is installed at the notch position of the wire arranging port 321, and the blocking plug 33 is used for blocking the wire arranging port 321 after the optical fiber wire passes through the wire arranging port 321, so that the optical fiber wire is firmly clamped on the wire arranging frame clamp 32; the inner side wall of the wire arranging opening 321 is provided with an inner groove 322, and the inner groove 322 can be round, triangular or rectangular. The sealing plug 33 is made of rubber materials, an integrally formed outer protruding portion 331 is arranged on the outer side of the sealing plug 33, and the sealing plug 33 can be stably installed at the notch of the wire arranging port 321 by matching and clamping the outer protruding portion 331 to the inner groove 322.

The number of the inner grooves 322 arranged at the wire arranging port 321 is multiple, and all the inner grooves 322 are arranged at equal intervals along the direction perpendicular to the fixed bracket 31; the outer protruding portion 331 of the plug 33 is clamped in the different inner grooves 322, so that the area of the area between the plug 33 and the wire arranging opening 321 can be changed, the optical fiber wire can be firmly clamped in the wire arranging frame clamp 32, the extrusion force from the single-core optical fiber wire, received by the plug 33, can be weakened, and the possibility that the plug 33 is separated from the wire arranging frame clamp 32 can be reduced.

The implementation principle of the optical fiber terminal box in the embodiment of the application is as follows:

after the connection of each single-core optical fiber wire inside the wiring shell 1 is completed, each single-core optical fiber wire is clamped into the wire arranging opening 321 of the wire arranging frame clamp 32, and the notch position of the wire arranging opening 321 is blocked by the blocking plug 33, so that the single-core optical fiber wire can be firmly clamped and orderly distributed; when one of the single-core optical fiber wires is damaged and needs to be replaced, a maintainer can quickly find the corresponding damaged optical fiber wire, and the single-core optical fiber wire can be quickly separated from the wire arranging unit 3 by taking down the sealing plug 33, so that the damaged single-core optical fiber can be quickly replaced, and the maintenance and replacement efficiency of the single-core optical fiber wire can be improved.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. An optical fiber terminal box, characterized in that: comprises a wiring shell (1) and a protective cover (2), wherein a plurality of groups of wiring units (3) are uniformly distributed in the wiring shell (1); the wire arranging unit (3) comprises a fixed bracket (31) and a plurality of wire arranging frame clamps (32), wherein the fixed bracket (31) is provided with a plurality of sliding grooves (311) which are vertically arranged, each wire arranging frame clamp (32) is correspondingly arranged in each sliding groove (311), and the wire arranging frame clamps (32) are freely arranged in the sliding grooves (311) in a sliding manner; a wire arranging opening (321) is arranged on one side of the wire arranging frame clamp (32) far away from the fixed support (31), and a sealing plug (33) is arranged at the notch position of the wire arranging opening (321).

2. The fiber optic terminal enclosure of claim 1, wherein: the wire arranging frame clamp (32) is slidably arranged in the sliding groove (311) through a T-shaped clamping column (34), the T-shaped clamping column (34) comprises a connecting part (341) and a limiting part (342) which are connected, and one end, far away from the limiting part (342), of the connecting part (341) is connected with the wire arranging frame clamp (32); the connecting part (341) is matched and penetrated in the sliding groove (311), the width of the limiting part (342) is larger than that of the connecting part (341), and the limiting part (342) is abutted against the fixed support (31).

3. The fiber optic terminal enclosure of claim 2, wherein: the fixed bracket (31) is also provided with a transverse communicating groove (312), the width of the communicating groove (312) is matched with the width of the sliding groove (311), and each sliding groove (311) is communicated with the communicating groove (312); a mounting groove (313) is formed in one side of the extending direction of the communication groove (312), and the width of the mounting groove (313) is not smaller than the width of the limiting part (342).

4. The fiber optic terminal enclosure of claim 1, wherein: the inner wall of the wire arranging opening (321) is provided with an inner groove (322), the inner groove (322) is positioned at the notch position of the wire arranging opening (321), and the inner groove (322) penetrates through two sides of the wire arranging frame clamp (32) in the extending direction; an outer convex part (331) is arranged on the outer side of the sealing plug (33), and the outer convex part (331) is matched and clamped with the inner groove (322).

5. The fiber optic terminal enclosure of claim 4, wherein: the number of the inner grooves (322) is multiple, and all the inner grooves (322) are arranged in an equidistant manner along the direction perpendicular to the fixed support (31).

6. The fiber optic terminal enclosure of any of claims 1-5, wherein: all the wire arranging frame clamps (32) are distributed on two opposite sides of the fixed support (31).

7. The fiber optic terminal enclosure of claim 1, wherein: also comprises an optical fiber coupler (4); two clamping rings (13) are arranged in the wiring shell (1), the two clamping rings (13) are arranged at intervals, and the optical fiber coupler (4) is detachably connected between the two clamping rings (13) through an elastic clamping mechanism (5).

8. The fiber optic terminal enclosure of claim 7, wherein: the elastic clamping mechanism (5) comprises a sliding rail (51), a movable clamping block (52) and a compression spring (53), and the sliding rail (51) is arranged at the bottom of the optical fiber coupler (4); the number of the movable clamping blocks (52) is two, the two movable clamping blocks (52) are slidably arranged on the sliding rail (51), clamping parts (521) are respectively arranged on the opposite sides of the two movable clamping blocks (52), and each clamping part (521) is used for being matched and clamped with the clamping ring (13); the compression spring (53) is connected between the two movable clamping blocks (52) and is used for driving the two movable clamping blocks (52) to be away from each other.

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