Optical fiber splicing protection box

Abstract

The utility model discloses an optical fiber connection protection box which comprises a bottom shell and an upper cover, the bottom shell and the upper cover are connected through a plurality of hasps, one end of the bottom shell far away from a hinge group is provided with the bottom cover, the bottom cover is provided with a main cable sealing assembly and a waterproof adapter, and the inner wall of the lower end of the bottom shell is provided with a welding disc assembly mounting seat. A welding disc piece is arranged on the welding disc assembly mounting seat, and the welding disc piece and the welding disc assembly mounting seat are connected through a clamping structure. According to the utility model, the structure of the welding disc and the layout of the welding disc are provided, so that the requirements of high density of the welding disc and convenient welding construction operation in the optical fiber connection box are met, and meanwhile, the requirement of large storage space during optical cable connection is met.

Description

Technical Field

[0001] The utility model relates to the technical field of FTTH optical fiber pre-connection, in particular to an optical fiber splicing protection box. Background Art

[0002] With the large-scale deployment of FTTH (Fiber To The Home), pre-connection products that reduce construction costs, lower construction technical requirements, and simplify construction difficulty are becoming more and more widely used.

[0003] At present, there are two main structural forms of fiber optic connection boxes for pre-connection, one requires fusion splicing in the fiber optic connection box, and the other does not require fusion splicing. For the fiber optic connection box, we hope that the density of the splice tray is high to reduce the volume of the entire box, and it is convenient for fusion splicing construction, and at the same time it can meet the function of digging and splicing. When it is necessary to connect large-capacity optical cables, the space for storing fibers during digging and splicing is often large. Many current fiber optic connection boxes cannot meet the above requirements at the same time.

[0004] To this end, this solution proposes an optical fiber splicing protection box to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and provides an optical fiber splicing protection box.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An optical fiber splicing protection box comprises a bottom shell and an upper cover, wherein the bottom shell and the upper cover are connected by a plurality of buckles, a bottom cover is provided at one end of the bottom shell away from a hinge group, a main cable sealing assembly and a waterproof adapter are provided on the bottom cover, a fusion plate assembly mounting seat is provided on the inner wall of the lower end of the bottom shell, a fusion plate component is provided on the fusion plate assembly mounting seat, and the fusion plate component and the fusion plate assembly mounting seat are connected by a snap-fit ​​structure.

[0008] Preferably, the snap-fit ​​structure includes a groove structure arranged on the mounting base of the welding plate assembly, and the welding plate components include welding plate one, welding plate two, welding plate three and welding plate four, one end of welding plate one is provided with a protrusion structure one, one end of welding plate two is provided with a protrusion structure two, one end of welding plate three is provided with a protrusion structure three, and one end of welding plate four is provided with a protrusion structure four, the protrusion structure one is combined with the groove structure to form a snap structure, the protrusion structure one is combined with the protrusion structure two to form a snap structure, the protrusion structure two and the protrusion structure three are combined to form a snap structure, and the protrusion structure three and the protrusion structure four are combined to form a snap structure.

[0009] Preferably, a plurality of optical fiber baffles are provided on the inner wall of the lower end of the bottom shell.

[0010] Preferably, a sealing rubber ring is provided between the bottom cover and the bottom shell.

[0011] Preferably, an uneven step-type joint line is adopted at the joint between the bottom shell and the upper cover.

[0012] Preferably, one end of the bottom shell away from the bottom cover and one end of the upper cover are connected via a hinge group.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, with the help of the coordinated arrangement of the bottom shell and the upper cover, and the positive superposition of welding plate 1, welding plate 2, welding plate 3 and welding plate 4, there is enough construction space during the welding operation, which reduces the overall volume of the device and greatly meets the operating needs and storage space needs of the staff. At the same time, welding plate 1, welding plate 2, welding plate 3 and welding plate 4 can all be independently suspended, which further facilitates the operation and use by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the appearance and structure of an optical fiber splicing protection box proposed by the utility model after assembly is completed;

[0016] Figure 2 This is a schematic diagram of the appearance and structure of an optical fiber splicing protection box proposed by the utility model after the final assembly is completed;

[0017] Figure 3 This is a schematic diagram of a fusion splicing tray of an optical fiber splicing protection box proposed by the utility model being suspended after being rotated 90 degrees;

[0018] Figure 4 This is a schematic diagram of a structure in which a fusion splicing plate of an optical fiber splicing protection box proposed by the utility model is suspended and engaged after being rotated 90 degrees;

[0019] Figure 5 This is a schematic diagram of a structure in which a fusion splicing plate of an optical fiber splicing protection box proposed by the utility model is suspended and engaged after being rotated 90 degrees;

[0020] Figure 6 This is a schematic diagram of a fusion splicing tray of an optical fiber splicing protection box proposed by the utility model being suspended after rotating four times by 90 degrees;

[0021] Figure 7 This is a schematic diagram of the structure of the fusion plate of the optical fiber splicing protection box proposed by the utility model after the fusion plate is rotated 90 degrees and then suspended and engaged;

[0022] Figure 8 The utility model is a schematic diagram of a structure in which a fusion splicing plate of an optical fiber splicing protection box is suspended and engaged after being rotated 90 degrees.

[0023] In the figure: 1 bottom shell, 2 upper cover, 3 buckle, 4 fusion splice tray, 41 fusion splice tray one, 42 fusion splice tray two, 43 fusion splice tray three, 44 fusion splice tray four, 411 protruding structure one, 421 protruding structure two, 431 protruding structure three, 441 protruding structure four, 5 sealing rubber ring, 6 waterproof adapter, 7 main cable sealing assembly, 8 fusion splice tray assembly mounting seat, 81 groove structure, 9 optical fiber baffle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-Figure 8 , an optical fiber splicing protection box, comprising a bottom shell 1 and an upper cover 2, wherein the bottom shell 1 and the upper cover 2 are joined at an uneven step-type joint line, which ensures that after the upper cover 2 is opened, all the fusion splicing trays 4 are higher than the inner wall of the bottom shell 1, so that there is enough construction space for the fusion splicing operation, and a plurality of optical fiber baffles 9 are arranged on the inner wall of the lower end of the bottom shell 1, and the optical fiber baffles 9 can effectively separate different optical fibers, so that the connection work can be completed more clearly and methodically, and the bottom shell 1 and the upper cover 2 are connected by a plurality of buckles 3, and a bottom cover is arranged at one end of the bottom shell 1 away from the hinge group, and a sealing rubber ring 5 is arranged between the bottom cover and the bottom shell 1, and the sealing rubber ring 5 makes the sealing effect of the device better, and the end of the bottom shell 1 away from the bottom cover and one end of the upper cover 2 are connected by the hinge group, so that the upper cover 2 can be opened without It will be separated from the bottom shell 1, which ensures the integrity of the device and facilitates the use of the device. The bottom cover is provided with a main cable sealing assembly 7 and a waterproof adapter 6. A welding plate assembly mounting seat 8 is provided on the inner wall of the lower end of the bottom shell 1. A welding plate component 4 is provided on the welding plate assembly mounting seat 8. The welding plate component 4 and the welding plate assembly mounting seat 8 are connected by a snap-fit ​​structure. The snap-fit ​​structure includes a groove structure 81 arranged on the welding plate assembly mounting seat 8. The welding plate component 4 includes a welding plate 1 41, a welding plate 2 42, a welding plate 3 43 and a welding plate 4 44. The welding plate 1 41, the welding plate 2 42, the welding plate 3 43 and the welding plate 4 44 are positively stacked, do not occupy additional space in the optical fiber connection box, and are arranged more compactly in the optical fiber connection box, thereby reducing the volume of the optical fiber connection box;

[0026] One end of the welding disk 1 41 is provided with a protrusion structure 1 411, one end of the welding disk 2 42 is provided with a protrusion structure 2 421, one end of the welding disk 3 43 is provided with a protrusion structure 3 431, and one end of the welding disk 44 is provided with a protrusion structure 441. The protrusion structure 1 411 is combined with the groove structure 81 to form a snap-fit ​​structure, the protrusion structure 1 411 is combined with the protrusion structure 2 421 to form a snap-fit ​​structure, the protrusion structure 2 421 and the protrusion structure 3 431 are combined to form a snap-fit ​​structure, and the protrusion structure 3 431 and the protrusion structure 4 441 are combined to form a snap-fit ​​structure. In this way, any welding disk can be rotated open and put into a suspended state, and then the welding construction operation can be carried out without removing the welding disk, while ensuring sufficient operating space, which is very convenient for use.

[0027] During the use of the utility model, the staff can first unfasten the multiple buckles 3 and open the upper cover 2 from the bottom shell 1, so that the welding plate 4 is completely exposed, and the staff has enough construction space to perform welding operations. Then, after the staff completes the line passing work through the main cable sealing assembly 7, the welding plate 1 41, the welding plate 2 42, the welding plate 3 43 and the welding plate 4 44 can be welded. At this time, the staff can rotate the specified parts according to the needs, such as welding plate 1 41, welding plate 2 42, welding plate 3 43 and welding plate 4 All disks 44 are rotated, and then with the help of the engagement state of protrusion structure 1 411 and groove structure 81, welding disk 1 41, welding disk 2 42, welding disk 3 43 and welding disk 4 44 are all in a suspended state, or welding disk 4 44 is rotated, and with the help of the engagement state of protrusion structure 441 and protrusion structure three 431, welding disk 4 44 is in a suspended state. Similarly, the staff can conveniently complete the welding operation on welding disk 1 41, welding disk 2 42, welding disk 3 43 and welding disk 4 44, which is very convenient for the staff to operate and use.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An optical fiber splicing protection box, comprising a bottom shell (1) and an upper cover (2), characterized in that: The bottom shell (1) and the upper cover (2) are connected via a plurality of buckles (3); a bottom cover is provided at one end of the bottom shell (1) away from the hinge assembly; a main cable sealing assembly (7) and a waterproof adapter (6) are provided on the bottom cover; a welding plate assembly mounting seat (8) is provided on the inner wall of the lower end of the bottom shell (1); a welding plate component (4) is provided on the welding plate assembly mounting seat (8); and the welding plate component (4) and the welding plate assembly mounting seat (8) are connected via a snap-fit ​​structure.

2. The optical fiber splicing protection box according to claim 1, characterized in that: The engaging structure comprises a groove structure (81) arranged on a welding plate assembly mounting seat (8); the welding plate component (4) comprises a welding plate 1 (41), a welding plate 2 (42), a welding plate 3 (43) and a welding plate 4 (44); one end of the welding plate 1 (41) is provided with a protruding structure 1 (411); one end of the welding plate 2 (42) is provided with a protruding structure 2 (421); one end of the welding plate 3 (43) is provided with a protruding structure 3 (431); 1), a protrusion structure four (441) is provided at one end of the welding plate four (44), the protrusion structure one (411) is combined with the groove structure (81) to form a snap-fit ​​structure, the protrusion structure one (411) is combined with the protrusion structure two (421) to form a snap-fit ​​structure, the protrusion structure two (421) is combined with the protrusion structure three (431) to form a snap-fit ​​structure, and the protrusion structure three (431) and the protrusion structure four (441) are combined to form a snap-fit ​​structure.

3. The optical fiber splicing protection box according to claim 1, characterized in that: A plurality of optical fiber baffles (9) are provided on the inner wall of the lower end of the bottom shell (1).

4. The optical fiber splicing protection box according to claim 1, characterized in that: A sealing rubber ring (5) is provided between the bottom cover and the bottom shell (1).

5. The optical fiber splicing protection box according to claim 1, characterized in that: The joint between the bottom shell (1) and the upper cover (2) adopts an uneven step-type joint line.

6. The optical fiber splicing protection box according to claim 1, characterized in that: An end of the bottom shell (1) away from the bottom cover and an end of the upper cover (2) are connected via a hinge group.

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