Expandable horizontal optical cable connector box

Abstract

The utility model relates to the field of optical cable connector boxes, and discloses an expandable horizontal optical cable connector box, which comprises a lower box body, an optical cable fixing frame is arranged in the lower box body, an optical cable fixing plate is arranged on the optical cable fixing frame, and the optical cable fixing frame and the optical cable fixing plate are fixed through connecting bolts; an optical cable fixing frame and an optical cable fixing plate are arranged in the lower box body, a groove for an optical cable to penetrate through is formed between the optical cable fixing frame and the optical cable fixing plate, a limiting column for fixing the optical cable is arranged on the optical cable fixing plate in a sliding mode, a through hole matched with the groove is formed in the limiting column, and a limiting assembly is further arranged on the limiting column. When an optical cable penetrates through the through hole, the limiting assembly pushes the surface of the optical cable to abut against the groove in the optical cable fixing plate, the smooth edge on the groove can softly wrap the optical cable, physical damage to the optical cable, especially an optical fiber, is reduced, pressure acting on the optical cable can be uniformly dispersed, the stress concentration phenomenon is avoided, and the service life of the optical cable is prolonged. And the overall structure and long-term performance of the optical cable are protected.

Description

Technical Field

[0001] The present application relates to the technical field of optical cable junction boxes, and in particular to an expandable horizontal optical cable junction box. Background Art

[0002] The fiber optic cable junction box is a popular name, while its scientific name is fiber optic cable splice box, also known as fiber optic cable splice package, fiber optic cable splice package and barrel. It belongs to the mechanical pressure sealing joint system and is a splice protection device that provides optical, sealing and mechanical strength continuity between adjacent optical cables. It is mainly suitable for straight-through and branch connections of various structural optical cables installed in overhead, pipeline and direct burial. The box body is made of imported reinforced plastic with high strength and corrosion resistance. The terminal box is suitable for splicing in the terminal room of structural optical cables. It has a mature structure, reliable sealing and easy construction. It is widely used in communications, network systems, CATV cable TV, optical cable network systems, etc.

[0003] The existing publication number CN219695515U discloses an expandable horizontal optical cable junction box, which includes a lower box body and an upper box body. The lower box body and the upper box body are both provided with an optical cable fixing frame, and the upper end of the optical cable fixing frame is provided with an optical cable fixing plate. The interior of the optical cable fixing plate is provided with a connecting bolt. The surfaces of the optical cable fixing frame and the optical cable fixing plate are both provided with grooves, and the interior of the grooves is provided with locking bolts. In the utility model, by providing an optical cable fixing frame and an optical cable fixing plate in the interior of the upper box body and the lower box body, the optical cable can be fixed to prevent the optical cable from being pulled out of the junction box and to avoid loosening of the joint. At the same time, by using the grooves and the locking bolts, optical cables of different diameters can be fixed, which is more applicable. By providing a limit frame in the interior of the upper box body and the lower box body, in combination with the slide groove and the fixing bolts, not only can the interior of the junction box be expanded, but also the spacing between the optical fiber terminal blocks can be adjusted.

[0004] In view of the above-mentioned prior art, in order to prevent the optical cable from being pulled out of the junction box and to avoid the joint from loosening, the optical cable joint is fixed by tightening the fastening bolt into the groove so that one end of the fastening bolt is abutted against each other. It can also meet the needs of fixing optical cables of different diameters. Since optical cables usually contain fragile optical fibers and the fastening bolts are hard, directly using the fastening bolts to tighten the optical cables may cause physical damage to the optical fibers, such as micro-bending and breakage, thereby affecting the transmission quality of the optical signal and even leading to communication interruption. In order to solve the above problems, an expandable horizontal optical cable junction box is proposed.

[0005] The above information disclosed in this background technology is only used to increase the understanding of the background technology of this application. Therefore, it may contain information that does not constitute the prior art known to ordinary technicians in this field. Utility Model Content

[0006] In order to solve the problem of optical cable splice closure, the present application provides an expandable horizontal optical cable splice closure.

[0007] The present application provides an expandable horizontal optical cable splice box that adopts the following technical solution:

[0008] An expandable horizontal optical cable junction box includes a lower box body, wherein an optical cable fixing frame is provided in the lower box body, an optical cable fixing plate is provided on the optical cable fixing frame, the optical cable fixing frame and the optical cable fixing plate are fixed by connecting bolts, a groove for the optical cable to pass through is formed between the optical cable fixing frame and the optical cable fixing plate, a limiting column for fixing the optical cable is slidably provided on the optical cable fixing plate, a through hole matching the groove is provided in the limiting column, and a limiting component for limiting the limiting column is also provided on the limiting column, and when the optical cable passes through the through hole, the limiting component pushes the surface of the optical cable to counteract the groove on the optical cable fixing plate.

[0009] Preferably, the limiting assembly includes a pressing block, a protrusion, a spring, and a limiting notch. The pressing block is fixed on the limiting column, the protrusion is fixed on the limiting column and is located below the through hole, the two ends of the spring are respectively against the limiting column and the optical cable fixing frame, the optical cable fixing frame is provided with a placement groove for the spring to contract, and the optical cable fixing frame and the optical cable fixing plate are both provided with limiting notches.

[0010] Preferably, a plurality of the optical cable fixing plates are provided, and two adjacent optical cable fixing plates are fixed together by means of a wedge block and a wedge-shaped groove.

[0011] Preferably, a limiting frame is provided in the lower box body, a wiring base is slidably provided on the limiting frame, and an optical fiber wiring seat is provided on the wiring base.

[0012] Preferably, a sliding groove for the fixing bolt to slide is provided on the limiting frame, and the fixing bolt passes through the sliding groove and is threadedly connected to the wiring base.

[0013] Preferably, an optical cable passage opening is provided on the lower box body.

[0014] Preferably, an upper box body is rotatably provided on the lower box body, and the upper box body has the same internal structure as the lower box body.

[0015] In summary, this application has the following beneficial technical effects:

[0016] By arranging an optical cable fixing frame and an optical cable fixing plate in the lower box body, a groove for the optical cable to pass through is formed between the optical cable fixing frame and the optical cable fixing plate, and the optical cable fixing plate is slidingly provided with a limit column for fixing the optical cable, and a through hole matching the groove is opened in the limit column. The limit column is also provided with a limit component for limiting the limit column. When the optical cable passes through the through hole, the limit component pushes the surface of the optical cable to counteract the groove on the optical cable fixing plate. Compared with the related art, the smooth edge on the groove can gently wrap the optical cable, greatly reducing the risk of physical damage to the optical cable, especially the optical fiber, and can evenly disperse the pressure on the optical cable, avoiding stress concentration, which is beneficial to protecting the overall structure and long-term performance of the optical cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0018] Figure 2 This is an overall schematic diagram of the optical cable fixing structure of the embodiment of the application;

[0019] Figure 3 This is a schematic diagram of the optical cable fixing structure of the embodiment of the application in a state where the optical cable is waiting to pass through;

[0020] Figure 4 It is an exploded schematic diagram of the optical cable fixing structure of an embodiment of the application.

[0021] Explanation of the accompanying reference numerals: 1. lower box body; 2. upper box body; 3. limiting frame; 4. slide groove; 5. fixing bolt; 6. wiring base; 7. optical fiber wiring seat; 8. optical cable fixing frame; 9. optical cable fixing plate; 10. groove; 11. connecting bolt; 12. limiting column; 13. optical cable passage; 14. pressing block; 15. through hole; 16. protrusion; 17. spring; 18. wedge block; 19. wedge-shaped groove; 20. limiting notch. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-4 This application is described in further detail.

[0023] The embodiment of the present application discloses an expandable horizontal optical cable junction box. Figure 1-4, an expandable horizontal optical cable junction box, including a lower box body 1, a cable fixing frame 8 is provided in the lower box body 1, a cable fixing plate 9 is provided on the cable fixing frame 8, the cable fixing frame 8 and the cable fixing plate 9 are fixed by connecting bolts 11, a groove 10 for the optical cable to pass through is formed between the cable fixing frame 8 and the cable fixing plate 9, a limiting column 12 for fixing the optical cable is slidably provided on the cable fixing plate 9, a through hole 15 matching the groove 10 is opened in the limiting column 12, and a limiting component for limiting the limiting column 12 is further provided on the limiting column 12. When the optical cable passes through the through hole 15, the limiting component pushes the surface of the optical cable to abut against the groove 10 on the cable fixing plate 9;

[0024] An upper box body 2 is rotatably mounted on the lower box body 1, and the upper box body 2 has the same internal structure as the lower box body 1;

[0025] By adopting the above technical solution, the lower box body 1 is hinged to the upper box body 2, and the upper box body 2 is used in conjunction with the lower box body 1 to achieve the expansion of the junction box. Before the optical cable passes through, the limit column 12 is pressed down to make the through opening 15 correspond to the groove 10, and the optical cable passes through the through opening 15. Under the action of the limit component, the limit column 12 is pushed upward, and then the surface of the optical cable is abutted against the groove 10 located on the optical cable fixing plate 9, thereby playing a fixing role. At the same time, it can be suitable for fixing optical cables of different diameters.

[0026] Reference Figure 2 、 4 The limiting assembly includes a pressing block 14, a protrusion 16, a spring 17, and a limiting notch 20. The pressing block 14 is fixed on the limiting column 12, the protrusion 16 is fixed on the limiting column 12 and is located below the through hole 15. The two ends of the spring 17 are respectively against the limiting column 12 and the optical cable fixing frame 8. The optical cable fixing frame 8 is provided with a placement groove for the spring 17 to contract. The optical cable fixing frame 8 and the optical cable fixing plate 9 are both provided with a limiting notch 20.

[0027] By adopting the above technical solution, the pressing block 14 is pressed down, the spring 17 contracts, and the limiting column 12 moves downward, so that the through-port 15 corresponds to the groove 10. When the through-port 15 is completely located in the groove 10, the spring 17 is completely contracted in the placement groove. At this time, the protrusion 16 is against the limiting notch 20 on the optical cable fixing frame 8. When the optical cable passes through the through-port 15, the spring 17 is reset, pushing the limiting column 12 to move upward, so that the surface of the optical cable is against the groove 10 located on the optical cable fixing plate 9, playing a fixing role. When the pressing block 14 is not subjected to pressure, the protrusion 16 is against the limiting notch 20 on the optical cable fixing plate 9.

[0028] Reference Figure 4 , there are multiple optical cable fixing plates 9, and two adjacent optical cable fixing plates 9 are fixed by a wedge 18 and a wedge-shaped groove 19;

[0029] It should be noted that the optical cable fixing plates 9 on both sides are fixed to the optical cable fixing frame 8 by connecting bolts 11, which can provide additional stability for the entire optical cable fixing system and ensure that the optical cable can maintain a good positioning;

[0030] By adopting the above technical solution, by providing multiple optical cable fixing plates 9, a customized layout can be made for optical cables of different quantities and diameters, and each area can be adjusted independently to meet diverse optical cable management and wiring needs. Compared with direct bolt fixation, the combination of the wedge 18 and the wedge groove 19 allows for quick installation and adjustment. If optical cables need to be added or removed, it is only necessary to loosen or remove part of the wedge 18 to easily make adjustments, thereby improving the convenience of installation and maintenance.

[0031] Reference Figure 1 , a limit frame 3 is provided in the lower box body 1, a wiring base 6 is slidably provided on the limit frame 3, and an optical fiber wiring seat 7 is provided on the wiring base 6;

[0032] The limit frame 3 is provided with a slide groove 4 for the fixing bolt 5 to slide, and the fixing bolt 5 passes through the slide groove 4 and is threadedly connected to the wiring base 6

[0033] By adopting the above technical solution, if the spacing between the optical fiber terminal blocks 7 needs to be adjusted during the wiring process, loosen the fixing bolts 5 so that the fixing bolts 5 can slide along the inside of the slide groove 4. At this time, the terminal block base 6 and the optical fiber terminal block 7 can move along the inside of the limit frame 3, and then adjust them to the appropriate position, and then tighten the fixing bolts 5 to fix them.

[0034] Reference Figure 1 , an optical cable passage 13 is provided on the lower box body 1;

[0035] By adopting the above technical solution, the optical cable fixed by the optical cable fixing frame 8 and the optical cable fixing plate 9 passes through the optical cable through-hole 13 and out of the lower box body 1 .

[0036] The implementation principle of an expandable horizontal optical cable junction box in an embodiment of the present application is as follows: when connecting the optical cable, the optical cable is passed through the optical cable opening 13 on one side to connect the optical cable. After the optical cable connection is completed, the pressing block 14 is pressed down, and the spring 17 contracts, causing the limiting column 12 to move downward, so that the through-port 15 corresponds to the groove 10. When the through-port 15 is completely located in the groove 10, the spring 17 is completely contracted in the placement groove. At this time, the protrusion 16 is against the limiting notch 20 on the optical cable fixing frame 8. When the optical cable passes through the through-port 15, the spring 17 is reset, pushing the limiting column 12 to move upward, so that the surface of the optical cable is against the groove 10 located on the optical cable fixing plate 9, playing a fixing role, and preventing the optical cable from detaching from the optical cable opening 13.

[0037] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0038] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0039] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0040] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An expandable horizontal optical cable splice box, comprising a lower box body (1), characterized in that: An optical cable fixing frame (8) is provided in the lower box body (1), and an optical cable fixing plate (9) is provided on the optical cable fixing frame (8). The optical cable fixing frame (8) and the optical cable fixing plate (9) are fixed by connecting bolts (11). A groove (10) for the optical cable to pass through is formed between the optical cable fixing frame (8) and the optical cable fixing plate (9). A limiting column (12) for fixing the optical cable is slidably provided on the optical cable fixing plate (9). A through hole (15) matching the groove (10) is provided in the limiting column (12). A limiting component for limiting the limiting column (12) is also provided on the limiting column (12). When the optical cable passes through the through hole (15), the limiting component pushes the surface of the optical cable to abut against the groove (10) on the optical cable fixing plate (9).

2. The expandable horizontal optical cable splice box according to claim 1, characterized in that: The limiting assembly includes a pressing block (14), a protrusion (16), a spring (17), and a limiting notch (20); the pressing block (14) is fixed on the limiting column (12); the protrusion (16) is fixed on the limiting column (12) and is located below the through hole (15); the two ends of the spring (17) are respectively against the limiting column (12) and the optical cable fixing frame (8); the optical cable fixing frame (8) is provided with a placement groove for the spring (17) to contract; the optical cable fixing frame (8) and the optical cable fixing plate (9) are both provided with a limiting notch (20).

3. The expandable horizontal optical cable splice box according to claim 1, characterized in that: There are multiple optical cable fixing plates (9), and two adjacent optical cable fixing plates (9) are fixed together by a wedge block (18) and a wedge-shaped groove (19).

4. The expandable horizontal optical cable splice box according to claim 1, characterized in that: A limiting frame (3) is provided in the lower box body (1), a wiring base (6) is slidably provided on the limiting frame (3), and an optical fiber wiring seat (7) is provided on the wiring base (6).

5. The expandable horizontal optical cable splice box according to claim 4, characterized in that: The limiting frame (3) is provided with a sliding groove (4) for the fixing bolt (5) to slide, and the fixing bolt (5) passes through the sliding groove (4) and is threadedly connected to the wiring base (6).

6. The expandable horizontal optical cable splice box according to claim 1, characterized in that: The lower box body (1) is provided with an optical cable passage opening (13).

7. The expandable horizontal optical cable splice box according to claim 1, characterized in that: An upper box body (2) is rotatably arranged on the lower box body (1), and the upper box body (2) has the same internal structure as the lower box body (1).

Images