CN-224232016-U - High-density modularized optical fiber distribution frame

CN224232016UCN 224232016 UCN224232016 UCN 224232016UCN-224232016-U

Abstract

The utility model provides a high-density modularized optical fiber distribution frame. The optical fiber distribution frame solves the problem that the conventional optical fiber distribution frame is inconvenient to use due to the fact that a fixed module mounting structure is adopted. According to the utility model, the inner guide rails on the two sides of the installation position are used for installing the module box, the limit of the direction of the rear end of the module box is realized through the first notch and the first locating block which are matched, the limit of the direction of the front end of the module box is realized through the second locating block and the second guide plate which are matched, the front insertion or the rear insertion of the module box can be conveniently realized, the two module boxes on the two sides are installed and fixed through the same inner guide rail through the modularized design, the installation space is effectively reduced, the optical fiber installation density is improved, and the integral installation capacity of the equipment is greatly improved.

Inventors

WEI SHUAI
LI CHUANCHUN
MENG LIANG
DENG JIXUAN

Assignees

浙江兆龙互连科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250619

Claims (10)

1. The utility model provides a high density modularization optic fibre distribution frame, its characterized in that, includes casing (1) and at least one activity setting mounting bracket (2) in this casing (1), is provided with a plurality of installation positions (3) that are used for installing module box (31) on this mounting bracket (2), installation position (3) both sides are provided with interior guide rail (4) that are used for installing module box (31) respectively, and this interior guide rail (4) both sides are provided with guide way (5) respectively, module box (31) both sides are fixed respectively and are provided with first deflector (6) and second deflector (7) that are used for the joint in guide way (5) on adjacent interior guide rail (4).
2. The high-density modularized optical fiber distribution frame according to claim 1, characterized in that a notch (8) for communicating guide grooves (5) on two sides of the inner guide rail (4) is formed in the inner guide rail (4), a first positioning block (9) for clamping a module box (31) in the notch (8) is fixedly arranged on the second guide rail (7), a first pressing plate (10) for separating the first positioning block (9) from the notch (8) after pressing and bending is arranged on the second guide rail (7), a second positioning block (11) which is opposite to the second guide rail (7) and limits the second guide rail (7) is fixedly arranged in a guide groove (5) on one side of the inner guide rail (4), a second pressing plate (12) capable of pressing and bending is fixedly arranged at one end of the inner guide rail (4) far away from the first pressing plate (10), the second positioning block (11) is arranged on the second pressing plate (12), and the second positioning block (11) can move to the second pressing plate (7) along with the second guiding path (7).
3. A high-density modular optical fiber distribution frame according to claim 2, characterized in that the first positioning block (9) is provided with a guiding inclined surface (13) for separating the first positioning block (9) from the notch (8) when the module box (31) moves towards the second pressing plate (12), and the guiding inclined surface (13) gradually inclines towards the second positioning block (11) from the second guiding plate (7) to the first guiding plate (6).
4. A high-density modular optical fiber distribution frame according to claim 2, characterized in that the mounting frame (2) comprises three trays (14) evenly distributed along the height direction of the housing (1), both sides of the trays (14) are movably arranged in the frame through outer guide rails (15) and can move along the length direction of the outer guide rails (15), the inner guide rails (4) are fixedly arranged on the trays (14), and the mounting positions (3) for mounting the module boxes (31) are formed between the trays (14) and two adjacent inner guide rails (4).
5. The high-density modularized optical fiber distribution frame according to claim 4, wherein two ends of the tray (14) are respectively fixedly provided with a sliding plate (16) which is clamped in the outer guide rail (15) and can move along the length direction of the outer guide rail (15), two stopping grooves (17) are formed in the sliding plate (16), and two stopping blocks (18) matched with the stopping grooves (17) are formed in the outer guide rail (15).
6. A high-density modular optical fiber distribution frame according to claim 1, characterized in that the housing (1) is internally and fixedly provided with a support plate (19) for supporting the whole housing (1).
7. The high-density modularized optical fiber distribution frame according to claim 4, wherein the front door (20) and the rear cover (21) are respectively buckled at two ends of the shell (1), a cable storage area (22) for winding a redundant optical cable is arranged below the rear cover (21), the front door (20) is rotatably arranged on the frame through a hinge, and the rear cover (21) is clamped on the shell (1) and is fixed through a nut.
8. A high-density modular optical fiber distribution frame according to claim 7, characterized in that the end of the tray (14) facing the front door (20) is fixedly provided with a plurality of internal wire-arranging rings (23) for arranging optical fiber jumpers.
9. A high-density modular optical fiber distribution frame according to claim 7, characterized in that a mounting plate (24) is arranged in the cable storage area (22), and that a number of wire harnesses (25) for fixing cables are arranged on the mounting plate (24).
10. The high-density modularized optical fiber distribution frame according to claim 7, wherein the two sides of the cable storage area (22) are provided with openings (26) communicated to the outside of the shell (1) for threading cables, long hairbrushes (27) are arranged in the openings (26), and wire protection sleeves (28) are fixedly arranged on the inner walls of the openings (26).

Description

High-density modularized optical fiber distribution frame Technical Field The utility model relates to the technical field of distribution frames, in particular to a high-density modularized optical fiber distribution frame. Background With the advent of the universal interconnection age and the rapid development of Ai technology, the application field of optical fiber communication products has increased dramatically. However, conventional optical fiber distribution frames generally employ a fixed module mounting structure, and many technical problems still remain. For example, ‌ density is insufficient ‌, and a traditional distribution frame usually only supports 72 cores or lower in 1U space, so that the space utilization of the cabinet is low, and the cost is increased. ‌ Poor expansibility ‌. The fixed design cannot flexibly adapt to the module boxes with different core numbers, and the equipment is required to be replaced integrally for upgrading and maintenance. ‌ cable management difficulties ‌ -insufficient tail storage, and jumpers Yu Liunan are arranged to be easy to cause cable winding or damage. ‌ Has weak dustproof capacity ‌. An open cable inlet causes dust accumulation, which affects the transmission performance of the optical fiber. ‌ is complex to install ‌, equipment loading and module dismounting are completed by cooperation of multiple persons, and labor cost is high. In addition, the traditional optical fiber distribution frame module box only supports single-side installation, is inserted from the front end and cannot be operated in a two-way mode, the module box is fixed in a tray and depends on screws or buckles for fixation, disassembly and assembly are carried out by means of tools, cable management depends on an external management ring, the tail part has no redundant storage space, the tray is of an integral design and cannot be independently slid or disassembled, and the prior art has the improvement. Disclosure of Invention The utility model provides a high-density modularized optical fiber distribution frame aiming at the existing situation, which comprises a shell and at least one mounting rack movably arranged in the shell, wherein a plurality of mounting positions for mounting a module box are arranged on the mounting rack, inner guide rails for mounting the module box are respectively arranged on two sides of the mounting positions, guide grooves are respectively arranged on two sides of the inner guide rails, and a first guide plate and a second guide plate which are used for being clamped in the guide grooves on the adjacent inner guide rails are respectively and fixedly arranged on two sides of the module box. Preferably, a notch communicated with guide grooves on two sides of the inner guide rail is formed in the inner guide rail, a first positioning block used for being clamped in the notch to position the module box is fixedly arranged on the second guide plate, a first pressing plate used for enabling the first positioning block to be separated from the notch after being bent is arranged on the second guide plate, a second positioning block which is opposite to the second guide plate and used for limiting the second guide plate is fixedly arranged in the guide groove on one side of the inner guide rail, a second pressing plate capable of being bent after being bent is fixedly arranged at one end, far away from the first pressing plate, of the inner guide rail, the second positioning block is arranged on the second pressing plate, and the second positioning block can move to the outer side of a moving path of the second guide plate after being bent along with the second pressing plate. Preferably, the first positioning block is provided with a guide inclined surface which separates the first positioning block from the notch when the module box moves in the direction of the second pressing plate, and the guide inclined surface gradually inclines from the second guide plate to the first guide plate toward the second positioning block. Preferably, the mounting frame comprises three trays evenly distributed along the height direction of the shell, two sides of each tray are movably arranged in the frame through outer guide rails and can move along the length direction of the outer guide rails, the inner guide rails are fixedly arranged on the trays, and the mounting positions for mounting the module boxes are formed between the trays and two adjacent inner guide rails. Preferably, two ends of the tray are respectively fixedly provided with a sliding plate which is clamped in the outer guide rail and can move along the length direction of the outer guide rail, two stop grooves are formed in the sliding plate, and two stop blocks matched with the stop grooves are formed in the outer guide rail. Preferably, a support plate for supporting the whole shell is fixedly arranged in the shell. Preferably, the front door and the rear cover are respectively buckled at two ends of t