CN-121995591-A - Fusion-free redundancy-free optical fiber distribution box and application method thereof

CN121995591ACN 121995591 ACN121995591 ACN 121995591ACN-121995591-A

Abstract

The invention relates to the technical field of optical fiber distribution boxes and discloses a welding-free redundancy-free optical fiber distribution box and a use method thereof, wherein an optical fiber connector is inserted and assembled in an optical fiber adapter, a wire guide for winding the optical fiber connector is arranged in the distribution box, a locking device which enables the optical fiber connector to be self-locked in the optical fiber adapter is assembled on the optical fiber connector, the disassembly operation of the optical fiber connector is simple and convenient, the limit in a clamping groove is relieved through external force, the smoothness of the disassembly process is ensured, a self-locking mechanism and the disassembly mode thereof are improved through arranging the locking device on the optical fiber connector, the stability and the tensile capacity between the optical fiber connector and the optical fiber adapter are enhanced through the locking device, the problem that the optical fiber connector falls off due to the fact that a locking protrusion is not tightly matched with the locking groove or is blocked unstably in the prior art is effectively solved, the fixation stability of the optical fiber connector can be improved, and the optical fiber connector has good tensile resistance and impact resistance.

Inventors

WANG JIAN
XU YANGHAO
ZHOU JIAN
WANG CHENGJUN
YU XINGJIE
HUANG YUNBING
ZHANG YONGJIAN
Sun Xiegang
CHAI JIANFENG
REN DIANSHENG
LIU CHENGWEN
FAN YUANCHANG
WU XUJIAN

Assignees

宁波送变电建设有限公司

Dates

Publication Date: 20260508
Application Date: 20260409

Claims (10)

1. The welding-free redundancy-free optical fiber distribution box comprises a distribution box (10) and a protective cover (50) matched with the distribution box, and is characterized in that a plurality of groups of optical fiber adapters (20) which are linearly arranged are arranged in the distribution box (10), an optical fiber connector (30) is inserted and assembled in the optical fiber adapters (20), a wire guide (40) for winding the optical fiber connector (30) is arranged in the distribution box (10), and a locking device (60) for enabling the optical fiber connector (30) to be self-locked in the optical fiber adapter (20) is assembled on the optical fiber connector (30); the optical fiber adapter (20) is provided with a mounting groove (21), a clamping groove (22) is formed in the mounting groove (21), and the optical fiber connector (30) comprises a clamping plate (31) accommodated in the clamping groove (22); The locking device (60) comprises an arc-shaped flexible plate (61) fixed on the outer side wall of the clamping plate (31), an arc-shaped sheet (62) is connected to the bottom end of the arc-shaped flexible plate (61), a connecting plate (63) is connected to the bottom end of the arc-shaped sheet (62), and a sliding plate (64) is assembled on the outer side of the optical fiber connector (30) in a sliding mode.
2. The welding-free redundancy-free optical fiber distribution box according to claim 1, wherein partition plates (11) are uniformly arranged in the distribution box (10), a wiring chamber (12) is arranged between two adjacent groups of partition plates (11), a wire supporting seat (13) is fixed at the front end of each partition plate (11), a tail baffle (14) is integrally connected with the front end of each wiring chamber (12), first wire guide holes (15) are formed in the tops of the wire supporting seat (13) and the tail baffle (14), a baffle (51) is integrally formed in the front end of each protective cover (50), a limiting plate (53) attached to the side wall of each partition plate (11) is arranged on the inner side of each protective cover (50), and second wire guide holes (52) corresponding to the first wire guide holes (15) are formed in the baffle (51).
3. The fusion-free redundancy-free optical fiber distribution box according to claim 2, wherein a first optical fiber wire (25) is fixed in the middle of the rear end of the optical fiber adapter (20), buffer springs (26) are arranged on the left side and the right side of the rear end of the optical fiber adapter (20), the other ends of the buffer springs (26) are fixed on the inner side wall of the wiring chamber (12), an optical fiber interface groove (23) is formed in the optical fiber adapter (20), and the optical fiber interface groove (23), the clamping groove (22) and the mounting groove (21) are communicated.
4. The fusion-free redundancy-free optical fiber distribution box according to claim 3, wherein the optical fiber connector (30) further comprises an optical fiber connector (32) fixed on the side wall of the clamping plate (31), the optical fiber connector (32) is matched with the optical fiber interface groove (23), a protective shell (33) fixed on the clamping plate (31) is wrapped on the outer side of the optical fiber connector (32), and a second optical fiber wire (34) connected with the optical fiber connector (32) is arranged on the protective shell (33).
5. The fusion-splice-free redundancy-free optical fiber distribution box according to claim 4, wherein the length of the engaging groove (22) is larger than the length of the mounting groove (21), the width of the engaging groove (22) is the same as the width of the mounting groove (21), the width of the engaging plate (31) is the same as the width of the mounting groove (21), and the length of the mounting groove (21) is larger than the length of the engaging plate (31).
6. The fusion-free redundancy-free optical fiber distribution box as claimed in claim 4, wherein the wire guide (40) comprises a rotating shaft (41) rotatably installed in the wiring chamber (12), a wire coiling rod (42) is fixed at the top end of the rotating shaft (41), a spiral twisting spring (43) sleeved outside the rotating shaft (41) is fixed between the bottom of the wire coiling rod (42) and the inner side wall of the wiring chamber (12), and the second optical fiber wire (34) is wound and assembled on the outer side wall of the wire coiling rod (42).
7. The fusion-splice-free redundant fiber distribution box according to claim 4, wherein the locking device (60) further comprises a slide rail (65) arranged on the outer side wall of the protective housing (33), a sliding block (66) is slidably arranged in the slide rail (65), the sliding block (66) is fixed on the sliding plate (64), a supporting spring (67) is fixed on the side wall of the sliding block (66) far away from the fiber adapter (20), and the other end of the supporting spring (67) is fixed on the inner side wall of the slide rail (65).
8. The fusion-free redundant optical fiber distribution box according to claim 3, wherein the clamping groove (22) and the mounting groove (21) are in transitional connection through the arc-shaped surface (24), and the arc-shaped piece (62) is attached to the arc-shaped surface (24).
9. The fusion-splice-free redundancy-free optical fiber distribution box according to claim 8, wherein the arc-shaped flexible board (61) comprises a pressure-bearing portion (611) fixed on the outer side wall of the clamping plate (31), the pressure-bearing portion (611) is accommodated inside the clamping groove (22), the bottom end of the pressure-bearing portion (611) is integrally formed with a locking portion (612), the locking portion (612) abuts against the inner side wall of the clamping groove (22), the locking portion (612) is connected with the arc-shaped piece (62), and the end portion of the locking portion (612) is right opposite to the bottom of the clamping plate (31).
10. The method for using the welding-free redundancy-free optical fiber distribution box is realized by using the welding-free redundancy-free optical fiber distribution box as claimed in claim 9, and is characterized in that the method comprises the following steps: S1, a plurality of groups of optical fiber adapters (20) are uniformly distributed in a wiring box (10), so that optical fibers can be conveniently combed, and an optical fiber connector (30) is contained in a wiring chamber (12) and is inserted and mounted on the optical fiber adapters (20); S2, winding the second optical fiber wire (34) on the optical fiber connector (30) by the wire guide (40), ensuring that the second optical fiber wire is neatly contained in the wiring chamber (12) and avoiding excessive bending and damage; S3, when the optical fiber connector (30) is installed in the optical fiber adapter (20), the arc-shaped flexible plate (61) on the locking device (60) is contained in the clamping groove (22), the clamping plate (31) is supported and limited through the cooperation of the pressure-bearing part (611) and the locking part (612), and when the optical fiber connector (30) is separated outwards, the locking part (612) is pressed and deformed to abut against the bottom of the clamping plate (31) so as to limit the clamping plate (31), thereby completing the self-locking of the optical fiber connector (30), having strong stability and avoiding the separation of the optical fiber connector (30) from the optical fiber adapter (20) caused by the pulling of external force; S4, when the optical fiber connector (30) is pulled out of the optical fiber adapter (20), the sliding plate (64) is manually slid, the connecting plate (63) is driven by the sliding plate (64) to pull the arc-shaped piece (62), so that the arc-shaped piece (62) pulls the locking part (612) to deform, then the locking part moves along the arc-shaped surface (24), and simultaneously the pressure-bearing part (611) is pulled to synchronously deform and be attached to the clamping plate (31), namely, the arc-shaped flexible plate (61) and the arc-shaped piece (62) are pulled to be separated from the clamping groove (22) through external force, so that the limit of the clamping plate (31) in the clamping groove (22) is released, and the optical fiber connector (30) is pulled outwards, so that the optical fiber connector (30) can be pulled out of the optical fiber adapter (20), and the operation is convenient.

Description

Fusion-free redundancy-free optical fiber distribution box and application method thereof Technical Field The invention relates to the technical field of optical fiber distribution boxes, in particular to a welding-free redundancy-free optical fiber distribution box and a using method thereof. Background Along with the rapid development of optical fiber communication technology, an optical fiber distribution box is used as an important component in an optical fiber network and used for connection, distribution and management of optical fibers, optical fibers of the existing optical fiber distribution box are fixed in a fusion mode, expansibility is poor, the optical fiber distribution box is difficult to adapt to optical fiber network requirements of different scales and complexity, in addition, in order to avoid optical fiber faults, a redundant link is required to be arranged, so that the structure of the link of the distribution box is complex, and the size is large. In the welding-free redundancy-free optical fiber distribution box with the application number of CN202510604481.5, an optical fiber connector is fixed in a connector fixing groove, the optical fiber adapter is spliced with the optical fiber connector, support plates are arranged on two sides of the optical fiber adapter and are abutted to a buffer piece, and a tail optical fiber connector is spliced at the other end of the optical fiber adapter opposite to the optical fiber connector. However, in the actual use, the optical fiber connector and the pigtail connector are fixed through the optical fiber adapter, after the connector buckle is installed in the buckle sliding groove, the pigtail connector can be prevented from being separated from the pigtail interface through the cooperation of the locking protrusion and the locking groove, however, the mode that the pigtail connector is fixed by the locking protrusion being clamped in the locking groove has the defect that the pigtail connector is blocked unstably, when the pigtail connector is pulled by external force, the locking force of the locking protrusion in the locking groove is easily overcome to separate out the pigtail connector, and then the problem of connection failure of the optical fiber connector and the optical fiber adapter is caused, so that the anti-falling capacity is poor. Accordingly, the present invention provides a fusion-free redundancy-free optical fiber distribution box and a method for using the same to solve the above-mentioned problems. Disclosure of Invention The invention aims to provide a fusion-free redundancy-free optical fiber distribution box and a use method thereof, which are used for solving the problems in the background technology. The invention provides a welding-free redundancy-free optical fiber distribution box, which comprises a distribution box and a protective cover matched with the distribution box, wherein a plurality of groups of optical fiber adapters which are linearly arranged are arranged in the distribution box, optical fiber connectors are inserted and assembled in the optical fiber adapters, wire guides for winding the optical fiber connectors are arranged in the distribution box, and a locking device for enabling the optical fiber connectors to be self-locked in the optical fiber adapters is assembled on the optical fiber connectors; the optical fiber adapter is provided with an installation groove, a clamping groove is formed in the installation groove, and the optical fiber connector comprises a clamping plate accommodated in the clamping groove; The locking device comprises an arc-shaped flexible plate fixed on the outer side wall of the clamping plate, an arc-shaped sheet is connected to the bottom end of the arc-shaped flexible plate, a connecting plate is connected to the bottom end of the arc-shaped sheet, and a sliding plate is arranged on the outer side of the optical fiber connector in a sliding mode. Preferably, the baffle is evenly provided with in the distribution box, two sets of adjacent set up to the wiring room between the baffle, the front end of baffle is fixed with holds in the palm the line seat, wiring room front end an organic whole is connected with the tail and keeps off, hold in the palm line seat and tail and keep off the top and all seted up first wire guide, shield front end integrated into one piece is provided with the baffle, shield inboard is provided with the limiting plate of laminating on the baffle lateral wall, set up the second wire guide that corresponds with first wire guide on the baffle. Preferably, a first optical fiber wire is fixed in the middle of the rear end of the optical fiber adapter, buffer springs are arranged on the left side and the right side of the rear end of the optical fiber adapter, the other ends of the buffer springs are fixed on the inner side wall of the wiring chamber, an optical fiber interface groove is formed in the optical fiber adapter, and the optical fiber int