CN212379612U

CN212379612U - MPO optical fiber pretermination module box

Info

Publication number: CN212379612U
Application number: CN201921339324.2U
Authority: CN
Inventors: 郑汉芳; 唐建国; 梁健雄
Original assignee: Hangzhou Zhizhuo Communication Science & Technology Co ltd
Current assignee: Hangzhou Zhizhuo Communication Science & Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2021-01-19
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a MPO optic fibre terminates module box in advance, including module box body, LC termination module and MPO adapter can be dismantled the both ends of locating the module box body respectively, LC termination module is four core optic fibre adapters of back-to-back formula LC of compact, including the casing, the casing inner chamber is four cavities that the axial is had a perfect understanding separated into via the separator that longitudinal section is "ten" style of calligraphy, and each cavity is equipped with single core inside lining from outer toward inside back-to-back can be dismantled, and the at least one end in both ends of casing is equipped with the assembly portion with the assembly end adaptation of module box body. The utility model discloses a MPO optic fibre terminates module box in advance simple structure, the volume is less relatively, and the integrated performance is good, and structural adjustment is nimble convenient, can adjust MPO optic fibre in advance the distribution mouth and the distribution quantity of terminating module box in advance according to the use needs in a flexible way on the one hand, can do the increase and decrease as required to can effectively satisfy multiple service environment's needs, and have good capacity expandability.

Description

MPO optical fiber pretermination module box

Technical Field

The invention relates to optical fiber line connecting equipment, in particular to an MPO optical fiber pretermination module box.

Background

MPO optical fiber pretermination module box is important line connection equipment in the current optical fiber network, the use amount is very large, but in use, the structure of the current pretermination module box is often complex, the size volume is large, on one hand, the use flexibility of the pretermination module box is insufficient and is easily limited by the installation environment, on the other hand, the increased space waste is also caused, meanwhile, the size volume of the current pretermination module box is relatively fixed and can not be flexibly adjusted according to the actual use requirement, the actual use performance of the pretermination module box is greatly limited, and the current pretermination module box is often lack of structure strengthening arrangement in the structure, so that aiming at the current situation, a novel pretermination module box structure is urgently required to be developed to meet the requirement of actual production and use.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides an MPO optical fiber pretermination module box, which comprises an LC termination module with optimized structure, compact size, strengthened structure and good stability, so that the pretermination module box has compact structure, greatly optimized size and volume, greatly improved adaptability to the installation environment, flexible adjustment according to the requirement and good structural stability.

In order to achieve the purpose of the invention, the invention is realized by adopting the following technical scheme:

the utility model provides a MPO optic fibre terminates module box in advance, includes module box body, LC termination module and MPO adapter can dismantle the both ends of locating the module box body respectively, LC termination module is compact back to back formula LC four-core fiber adapter, including the casing, and the casing inner chamber is separated into four cavities that axially link up through via the separator that longitudinal section is "ten" style of calligraphy, and each cavity is equipped with single core inside lining from outer inside back to back of dismantling, and the at least one end in both ends of casing is equipped with the assembly portion with the assembly end adaptation of module box body. Preferably, the four chambers are regular and square, the square cavities are convenient to assemble, and the stability is good after assembly.

In the invention, as a core component, the LC termination module structure is optimized, the inner cavity of the shell is divided into four axially-through chambers by a cross-shaped partition piece, which is equivalent to the organic integration of two core LC termination modules in the prior art, and the two core LC termination modules have compact size, reinforced structure and good stability under the structural design, so that the MPO optical fiber pre-termination module box has compact structure, greatly optimized size and volume and greatly improved adaptability to the installation environment.

Preferably, single core inside lining includes the spacing fastener of ceramic bushing, sleeve pipe fixing base and fixing base, and the ceramic bushing is fixed in the up end of sleeve pipe fixing base, and the spacing fastener of fixing base is fixed in the both sides of sleeve pipe fixing base, and the position that the cavity middle part is located single core inside lining back-to-back butt is equipped with the spacing portion of adaptation, through the cooperation of the spacing fastener of fixing base and spacing portion, single core inside lining and casing joint.

According to the invention, the single-core lining is clamped and pressed in by external force without welding, so that the damage to the ceramic bushing is reduced, the processing reliability is good, the product quality is controllable, and the defective rate is low.

Preferably, the fixing seat limiting clamping piece comprises clamping portions at two ends of the symmetrical sleeve fixing seat, and the clamping portions are elastically deformed under the action of extrusion force to be embedded into the limiting portions and the clamping portions are fixed with the limiting portions after the extrusion force is relieved.

According to the invention, the clamping part is processed by using a material with elastic deformation, is clamped and fixed, has good stability, can not damage the shell even if being disassembled, and is very convenient to maintain and replace.

Preferably, the longitudinal section of the fixing seat limiting clamping piece is V-shaped and extends along the length direction of the sleeve fixing seat. Under the structural design, the clamping force can be greatly improved, and the high stability of clamping is maintained.

Preferably, the fixing seat limiting clamping piece and the sleeve fixing seat are integrally formed. The integrated forming, the processing is simple and convenient, the defective rate is low, and the assembly is also convenient.

Preferably, the bilateral symmetry of casing is equipped with the jack catch fixed part, the fixed jack catch that is equipped with on the jack catch fixed part, the jack catch fixed part sets up two sets of in parallel.

Preferably, limit stops are symmetrically arranged on two sides of the shell, the limit stops are fixedly connected with the shell, and limit grooves are formed in the limit stops. Under the condition of satisfying the front body of the limit requirement, raw materials required by shell processing are saved, and the processing cost is saved.

Preferably, error-connection-preventing icons are arranged at four corners of two ends of the shell, and the error-connection-preventing icons are any one of digital icons or image icons.

Preferably, the module box body includes line concentration cavity and detachable lid, is equipped with a plurality of wiring grooves in the line concentration cavity, and the line concentration cavity is the rectangle, and the tip of line concentration cavity is equipped with the assembly mouth that a plurality of kept apart, and the upper and lower lateral wall of assembly mouth is equipped with the fixed mouthful with the jack catch adaptation, and is fixed through the cooperation joint of jack catch and fixed mouthful.

Preferably, the line concentration cavity is fixed with the cover body in a clamping mode, a plurality of isolated assembly ports are formed in the other end, opposite to the LC end connection module, of the line concentration cavity, and the MPO adapter is fixed with the assembly ports in a clamping mode.

The invention has the beneficial effects that: the MPO optical fiber pretermination module box has the advantages of simple structure, relatively small volume, good integration performance and flexible and convenient structure adjustment, on one hand, the distribution ports and the distribution quantity of the MPO optical fiber pretermination module box can be flexibly adjusted according to use requirements, for example, 6 groups of four-core LCD optical fiber adapters in the invention are matched, and 2 groups of MPO adapters are simultaneously matched, and the increase and the decrease can be carried out according to requirements, so that the requirements of various use environments can be effectively met, and the MPO optical fiber pretermination module box has good capacity expansion capability, on the other hand, the MPO optical fiber pretermination module box has good protection performance, and can effectively resist external force impact, so that the purposes of prolonging the service life of the MPO optical.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a perspective view of an LC four-core fiber optic adapter of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a cross-sectional view of an LC four-core fiber optic adapter of the present invention;

FIG. 6 is a perspective view of the single core liner of FIG. 3;

FIG. 7 is a front view of the single core liner of FIG. 3;

FIG. 8 is a top view of the single core liner of FIG. 3;

in the figure: 1. the casing, 2, single core inside lining, 21, ceramic bushing, 22, sleeve pipe fixing base, 23, the spacing fastener of fixing base, 3, jack catch fixed part, 4, jack catch, 5, limit stop, 6, spacing groove, 7, prevent connecing wrong icon, 8, line concentration cavity, 9, assembly opening, 10, fixed mouthful, 11, lid, 12, MPO adapter, 13, LC four-core fiber adapter, 14, wiring groove, 15, separator, 16, spacing portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 8, an MPO optical fiber pretermination module box comprises a module box body, an LC termination module and an MPO adapter 12, wherein the LC termination module and the MPO adapter 12 are respectively detachably arranged at two ends of the module box body, the LC termination module is a compact back-to-back LC four-core optical fiber adapter 13 and comprises a shell 1, an inner cavity of the shell 1 is divided into four axially through chambers by a partition 15 with a cross-shaped longitudinal section, each chamber is detachably provided with a single-core liner 2 from outside to inside back to back, and at least one end of two ends of the shell 1 is provided with an assembly part adapted to an assembly end of the module box body.

In the invention, as a core component, the LC terminating module structure is optimized, the inner cavity of the shell 1 is divided into four axially-through chambers by the partition 15 with the cross-shaped longitudinal section, which is equivalent to the organic integration of two core LC terminating modules in the prior art, and the two core LC terminating modules have compact size, reinforced structure and good stability under the structural design, so that the MPO optical fiber pre-terminating module box has compact structure, greatly optimized size and volume and greatly improved adaptability to the installation environment.

It is concrete to this implementation, single core inside lining 2 includes ceramic sleeve 21, sleeve pipe fixing base 22 and the spacing fastener of fixing base 23, and ceramic sleeve 21 is fixed in the up end of sleeve pipe fixing base 22, and the spacing fastener of fixing base 23 is fixed in the both sides of sleeve pipe fixing base 22, and the position that the cavity middle part is located single core inside lining 2 back-to-back butt is equipped with the spacing portion 16 of adaptation, through the cooperation of the spacing fastener of fixing base 23 and spacing portion 16, single core inside

lining

2 and 1 joint of casing.

In the invention, the single-core liner 2 is clamped and pressed in by external force without welding, thereby reducing the damage to the ceramic bushing 21, having good processing reliability, controllable product quality and low defective rate.

Specifically to this implementation, the fixing seat limiting clamping piece 23 includes clamping portions at two ends of the symmetrical sleeve fixing seat 22, and the clamping portions are elastically deformed under the action of the extrusion force to be embedded into the limiting portions 16 and the extrusion force is relieved and then the clamping portions are restored to the original state and fixed to the limiting portions 16.

In the invention, the clamping part is processed by using a material with elastic deformation, is clamped and fixed, has good stability, can not damage the shell 1 even if being disassembled, and is very convenient to maintain and replace.

Specifically to this implementation, the longitudinal section of the fixing seat limiting clamping piece 23 is in a V shape and extends along the length direction of the sleeve fixing seat 22. Under the structural design, the clamping force can be greatly improved, and the high stability of clamping is maintained.

In particular, to this embodiment, the fixing seat limit clamping piece 23 and the sleeve fixing seat 22 are integrally formed. The integrated forming, the processing is simple and convenient, the defective rate is low, and the assembly is also convenient.

Specifically to this implementation, the bilateral symmetry of casing 1 is equipped with jack catch 4 fixed part 3, fixed jack catch 4 that is equipped with on the jack catch 4 fixed part 3, jack catch 4 fixed part 3 sets up two sets of in parallel.

Specifically, to this implementation, the bilateral symmetry of casing 1 is provided with limit stop 5, limit stop 5 and casing 1 fixed connection, and limit groove 6 has been seted up on limit stop 5. Under the condition of satisfying the limiting requirement, the raw materials required by the processing of the shell 1 are saved, and the processing cost is saved.

Specifically, in this embodiment, error-connection-preventing icons 7 are arranged at four corners of two ends of the housing 1, and the error-connection-preventing icons 7 are any one of digital icons or image icons.

The module box body comprises a line concentration cavity 8 and a detachable cover body 11, a plurality of wiring grooves 14 are formed in the line concentration cavity 8, the line concentration cavity 8 is rectangular, the end portion of the line concentration cavity 8 is provided with a plurality of isolated assembly ports 9, the upper side wall and the lower side wall of each assembly port 9 are provided with fixing ports 10 matched with the clamping jaws 4, and the clamping jaws 4 and the fixing ports 10 are connected in a clamped mode.

Specifically, in the implementation, the line concentration cavity 8 is fixed to the cover body 11 in a clamping mode, the other end, opposite to the LC termination module, of the line concentration cavity 8 is provided with a plurality of isolated assembly ports 9, and the MPO adapter 12 is fixed to the assembly ports 9 in a clamping mode.

The invention has the beneficial effects that: the MPO optical fiber pretermination module box has the advantages of simple structure, relatively small volume, good integration performance and flexible and convenient structure adjustment, on one hand, the distribution ports and the distribution quantity of the MPO optical fiber pretermination module box can be flexibly adjusted according to use requirements, for example, 6 groups of four-core LCD optical fiber adapters in the invention are matched, and 2 groups of MPO adapters 12 are simultaneously arranged and can be increased or decreased according to requirements, so that the MPO optical fiber pretermination module box can effectively meet the requirements of various use environments and has good capacity expansion capability, on the other hand, the MPO optical fiber pretermination module box has good protection performance and can effectively resist external force impact, thereby achieving the purposes of prolonging the service life of the MPO optical fiber pretermination module box and improving.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.

Claims

1. The utility model provides a MPO optic fibre terminates module box in advance, includes module box body, LC termination module and MPO adapter (12) can dismantle the both ends of locating the module box body respectively, its characterized in that, LC termination module is four core optic fibre adapters (13) of compact formula LC that lean against back, including casing (1), and four cavities that axial link up are separated into to the separator (15) that casing (1) inner chamber is "ten" style of calligraphy via the longitudinal section, and each cavity is equipped with single core inside lining (2) from outer inside back-to-back dismantlement, and the at least one end in both ends of casing (1) is equipped with the assembly portion with the assembly end adaptation of module box body.

2. The MPO optical fiber pretermination module box according to claim 1, wherein the single-core lining (2) comprises a ceramic sleeve (21), a sleeve fixing seat (22) and a fixing seat limiting clamp (23), the ceramic sleeve (21) is fixed on the upper end face of the sleeve fixing seat (22), the fixing seat limiting clamp (23) is fixed on two sides of the sleeve fixing seat (22), a limiting part (16) of the adaptation is arranged at a position, which is located in the middle of the cavity, of the single-core lining (2) and is abutted back to back, and the single-core lining (2) is clamped with the shell (1) through the matching of the fixing seat limiting clamp (23) and the limiting part (16).

3. The MPO fiber pretermination module box according to claim 2, wherein the fixing seat limiting clamping piece (23) comprises clamping parts at two ends of the symmetrical sleeve fixing seat (22), the clamping parts are elastically deformed and embedded into the limiting part (16) under the action of extrusion force, and the clamping parts are restored to the original shape and fixed with the limiting part (16) after the extrusion force is relieved.

4. The MPO fiber pretermination module cassette of claim 3, wherein the fixing seat limiting clamping piece (23) is V-shaped in longitudinal section and extends along the length direction of the sleeve fixing seat (22).

5. The MPO fiber pretermination module cassette of claim 4, wherein the holder retaining clip (23) is integrally formed with the ferrule holder (22).

6. The MPO fiber pretermination module box according to claim 1, wherein the shell (1) is symmetrically provided with two sets of claw fixing parts (3) at two sides, claws (4) are fixedly arranged on the claw fixing parts (3), and the claw fixing parts (3) are arranged in parallel.

7. The MPO fiber pretermination module box according to claim 1, wherein the housing (1) is symmetrically provided with limit stops (5) at two sides, the limit stops (5) and the housing (1) are integrally formed, and limit grooves (6) are formed on the limit stops (5).

8. The MPO fiber pretermination module box according to claim 1, wherein four corners of two ends of the shell (1) are provided with error-proof icons (7), and the error-proof icons (7) are any one of digital icons or image icons.

9. The MPO fiber pretermination module box according to claim 5, wherein the module box body comprises a line concentration cavity (8) and a detachable cover body (11), a plurality of wiring grooves (14) are formed in the line concentration cavity (8), the line concentration cavity (8) is rectangular, a plurality of isolated assembly ports (9) are formed in the end portion of the line concentration cavity (8), and fixing ports (10) matched with the clamping jaws (4) are formed in the upper side wall and the lower side wall of each assembly port (9) and are fixed through the matching clamping connection of the clamping jaws (4) and the fixing ports (10).

10. The MPO fiber pretermination module box according to claim 9, wherein the line concentration cavity (8) is fixed with the cover body (11) in a clamping manner, a plurality of isolated assembly ports (9) are arranged at the other end of the line concentration cavity (8) opposite to the LC termination module, and the MPO adapter (12) is fixed with the assembly ports (9) in a clamping manner.