Cap type optical cable connector box

Abstract

The utility model discloses a cap type optical cable connector box, which relates to the technical field of optical cable connector boxes and comprises an upper cover, an optical cable inlet and outlet pipe is arranged on one side of the upper cover, a cylindrical connector box cap is arranged on the other side of the upper cover, and an inflating valve is arranged on the surface of the cylindrical connector box cap. The exterior of the joint of the cylindrical joint box cap and the upper cover is fixed through a buckle connecting assembly, one end of the upper cover is provided with a welding disc connector, one end of the welding disc connector is provided with a welding disc mounting piece, the upper end of the welding disc mounting piece is provided with a welding disc, one end of the welding disc is provided with a welding disc hinge, and the welding disc hinge is provided with a welding disc. According to the scheme, the problems that an existing cover body and an existing connector box cap are single in connecting structure and prone to falling off, consequently, the sealing performance of the connecting position is poor, and water is prone to entering the connecting position to be damaged are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of an optical cable junction box, in particular to a cap-type optical cable junction box. Background Art

[0002] The cap-type optical cable splice closure is a device used to protect optical fiber splices. Its main function is to provide continuous protection of optical, sealing and mechanical strength for adjacent optical cables. It is widely used in various optical cable installation methods such as overhead, pipeline, and direct burial, and is suitable for straight-through and branch connections.

[0003] For example, the Chinese patent with publication number CN203455526U (cap-type optical cable splice closure) comprises a base and a splice closure cap connected to each other by a clamp. The splice closure cap houses a plurality of optical fiber receiving trays, each of which is provided with a fixing buckle having a protrusion at one end and a slot that matches the protrusion at the other end. Below the optical fiber receiving trays are provided a plurality of optical cable inlet and outlet tubes extending beyond the base. This utility model is suitable for protecting optical cable splices, preventing optical fibers from becoming entangled and protecting exposed optical cables and optical fibers.

[0004] However, the existing cover and the junction box cap have a single connection structure and are prone to falling off, resulting in poor sealing performance at the connection and easy water damage; therefore, it does not meet existing needs. In this regard, we propose a cap-type optical cable junction box. Utility Model Content

[0005] The purpose of the present invention is to provide a cap-type optical cable junction box to solve the problem in the above background technology that the existing cover and the junction box cap have a single connection structure and are prone to falling off, resulting in poor sealing performance at the connection and easy water ingress and damage.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a cap-type optical cable junction box, comprising: an upper cover, an optical cable inlet and outlet pipe is provided on one side of the upper cover, a cylindrical junction box cap is provided on the other side of the upper cover, an air valve is provided on the surface of the cylindrical junction box cap, the connection between the cylindrical junction box cap and the upper cover is fixed on the outside by a snap connection assembly, a splice tray connector is provided at one end of the splice tray connector is provided at one end of the splice tray mounting piece, a splice tray is provided at the upper end of the splice tray mounting piece, a splice tray is provided at one end of the splice tray, a splice tray hinge is provided at one end of the splice tray, and the splice tray is rotatably connected to the splice tray hinge.

[0007] Preferably, the snap connection assembly includes a first fixing ring and a second fixing ring, one end of each of the first fixing ring and the second fixing ring is provided with a connecting seat, and the two connecting seats are rotatably connected via a connecting shaft.

[0008] Preferably, a first snap seat is provided at the other end of the first fixing ring, a second snap seat is provided at the other end of the second fixing ring, a rotating seat is provided on one side surface of the second fixing ring, a snap head is provided on one side of the rotating seat, and the snap head is rotatably connected to the rotating seat through a rotating shaft, and the first snap seat and the second snap seat are fixed by snapping with the snap head.

[0009] Preferably, a support stud is provided at the lower end of the welding tray mounting piece, and the welding tray mounting piece is fixed to the welding tray by means of a countersunk screw externally connected to the support stud.

[0010] Preferably, an optical cable pressing plate is provided on the outside of the splice tray connector, and the splice tray connector and the optical cable pressing plate are connected via a grounding stud assembly.

[0011] Preferably, the outer surface of the cylindrical joint box cap is provided with reinforcing ribs, the distance from the farthest end of the optical cable inlet and outlet pipe to the farthest end of the cylindrical joint box cap is 420 mm, and the farthest distance between the two sides of the snap connection assembly is 195 mm.

[0012] Preferably, a waterproof leather is provided between the cylindrical joint box cap and the upper cover, and both the cylindrical joint box cap and the upper cover are made of PC material.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The first and second fixing rings are respectively put on both sides of the connection between the cylindrical joint box cap and the upper cover, and the first and second fixing rings are rotated along the connecting axis by the connecting seat to adjust the surrounding range, which is suitable for cylindrical joint box caps and upper covers of different sizes. After putting on, the first and second fixing rings are fixed by the snapping head, thereby fixing the first and second fixing rings to fix the cylindrical joint box cap and the upper cover, and relying on the extrusion force to perform sealing and extrusion fixation between the cylindrical joint box cap and the upper cover, thereby improving waterproofness and anti-falling performance. In addition, the waterproof effect is enhanced by the waterproof leather between the cylindrical joint box cap and the upper cover to avoid water damage, thereby improving safety and protection, and solving the problem that the existing cover body and the joint box cap connection structure is single and easy to fall off, resulting in poor sealing performance of the connection and easy water damage.

[0015] 2. By setting reinforcing ribs on the outer wall of the cylindrical joint box cap, and there are several reinforcing ribs, the cylindrical joint box cap has improved compression resistance through the reinforcing ribs on the outer surface, is not easy to be dented and damaged, and also improves wear resistance, avoids friction damage on the outer surface of the cylindrical joint box cap, and increases service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the present utility model;

[0018] Figure 3 This is a diagram of the left end cross-sectional structure of the present invention;

[0019] In the figure: 1. Upper cover; 2. Cylindrical joint box cap; 3. Valve; 4. First snap seat; 5. Second snap seat; 6. Snap connection assembly; 7. Splice tray connector; 8. Optical cable pressure plate; 9. Waterproof leather; 10. Optical cable inlet and outlet pipe; 11. Splice tray mounting piece; 12. Grounding stud assembly; 13. Splice tray hinge; 14. Splice tray; 15. Support stud; 16. Connecting seat; 17. Snap head; 18. Rotating seat; 19. Connecting shaft; 20. Reinforcement rib; 21. First fixing ring; 22. Second fixing ring. DETAILED DESCRIPTION

[0020] 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 the embodiments.

[0021] See also Figure 1-3 , the utility model provides an embodiment: a cap-type optical cable junction box, comprising: an upper cover 1, one side of the upper cover 1 is provided with an optical cable inlet and outlet pipe 10, the other side of the upper cover 1 is provided with a cylindrical junction box cap 2, the surface of the cylindrical junction box cap 2 is provided with an air valve 3, the connection between the cylindrical junction box cap 2 and the upper cover 1 is fixed externally by a snap connection component 6, one end of the upper cover 1 is provided with a welding tray connector 7, one end of the welding tray connector 7 is provided with a welding tray mounting part 11, the upper end of the welding tray mounting part 11 is provided with a welding tray 14, one end of the welding tray 14 is provided with a welding tray hinge 13, and the welding tray 14 is rotatably connected to the welding tray hinge 13, the cylindrical junction box cap 2 A waterproof skin 9 is arranged between the cylindrical joint box cap 2 and the upper cover 1. The PC material used for the cylindrical joint box cap 2 and the upper cover 1 has good insulation and aging resistance, which improves safety and service life. A support stud 15 is provided at the lower end of the welding tray mounting part 11, and the welding tray mounting part 11 is fixed to the welding tray 14 through the external countersunk screw of the support stud 15 to fix the welding tray 14. An optical cable pressure plate 8 is provided on the outside of the welding tray connector 7. The welding tray connector 7 and the optical cable pressure plate 8 are connected by a grounding stud assembly 12 to fix the optical cable pressure plate 8, thereby realizing the collective fixation of the welding tray connector 7, the optical cable pressure plate 8, the welding tray mounting part 11 and the welding tray 14.

[0022] The cylindrical joint box cap 2 protects the splice tray connector 7, the optical cable pressure plate 8, the splice tray mounting part 11 and the splice tray 14. The waterproof leather 9 is used between the cylindrical joint box cap 2 and the upper cover 1 to enhance the waterproof effect, avoid water damage, and improve safety and protection. The snap connection component 6 is put on the connection between the cylindrical joint box cap 2 and the upper cover 1, and the snap connection component 6 is used to seal and squeeze the cylindrical joint box cap 2 and the upper cover 1 to improve waterproofness and anti-falling properties.

[0023] See also Figure 3 , the snap connection assembly 6 includes a first fixing ring 21 and a second fixing ring 22, one end of the first fixing ring 21 and the second fixing ring 22 are both provided with a connecting seat 16, the two connecting seats 16 are rotatably connected by a connecting shaft 19, and the first fixing ring 21 and the second fixing ring 22 are respectively put on both sides of the connection between the cylindrical joint box cap 2 and the upper cover 1, and the first fixing ring 21 and the second fixing ring 22 rely on the connecting seat 16 to rotate along the connecting shaft 19 to adjust the surrounding range, which is suitable for cylindrical joint box caps 2 and upper covers 1 of different sizes, improving flexibility and applicability, and the first fixing ring A first snap seat 4 is provided at the other end of the fixed ring 21, and a second snap seat 5 is provided at the other end of the second fixed ring 22. A rotating seat 18 is provided on one side surface of the second fixed ring 22, and a snap head 17 is provided on one side of the rotating seat 18. The snap head 17 is rotatably connected to the rotating seat 18 through a rotating shaft. The first snap seat 4 and the second snap seat 5 are snapped and fixed by the snap head 17, thereby fixing the first fixed ring 21 and the second fixed ring 22, and relying on the extrusion force to seal and squeeze the cylindrical joint box cap 2 and the upper cover 1 to improve waterproofness and anti-falling properties.

[0024] See also Figure 1 The outer surface of the cylindrical joint box cap 2 is provided with reinforcing ribs 20. The distance from the farthest end of the optical cable inlet and outlet pipe 10 to the farthest end of the cylindrical joint box cap 2 is 420 mm, and the farthest distance on both sides of the snap connection component 6 is 195 mm. The cylindrical joint box cap 2 has improved pressure resistance through the reinforcing ribs 20 on the outer surface, is not easy to be dented and damaged, and also improves wear resistance, avoids friction damage on the outer surface of the cylindrical joint box cap 2, and increases service life.

[0025] Working Principle: When in use, the splice tray connector 7 is connected to the cable pressure plate 8 via the grounding stud assembly 12. The splice tray connector 7 is threadedly fixed to the upper cover 1 via wood screws. The splice tray mounting piece 11 is fixed to the splice tray 14 via the support studs 15 and external countersunk screws. At the same time, the splice tray 14 is rotatably connected to the splice tray hinge 13, and the angle can be adjusted for maintenance and replacement.

[0026] Put on the cylindrical joint box cap 2 to protect the splice tray connector 7, cable pressure plate 8, splice tray mounting piece 11 and splice tray 14. The waterproof effect is enhanced by the waterproof leather 9 between the cylindrical joint box cap 2 and the upper cover 1 to avoid water damage and improve safety and protection. Then put on the first fixing ring 21 and the second fixing ring 22 on both sides of the connection between the cylindrical joint box cap 2 and the upper cover 1. The first fixing ring 21 and the second fixing ring 22 rotate along the connecting shaft 19 by relying on the connecting seat 16 to adjust the surrounding range. It is suitable for circular joints of different sizes. The cylindrical joint box cap 2 and the upper cover 1 have improved flexibility and applicability. After being put on, the first snap seat 4 and the second snap seat 5 are snapped and fixed by the snap head 17, thereby fixing the first fixing ring 21 and the second fixing ring 22. The cylindrical joint box cap 2 and the upper cover 1 are sealed and squeezed by the extrusion force to improve waterproofness and anti-falling. The cylindrical joint box cap 2 has improved pressure resistance through the reinforcement ribs 20 on the outer surface, is not easy to be dented and damaged, and also improves wear resistance, avoids friction damage on the outer surface of the cylindrical joint box cap 2, and increases service life.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A cap-type optical cable junction box, comprising an upper cover (1), wherein one side of the upper cover (1) is provided with an optical cable inlet and outlet pipe (10), characterized in that: A cylindrical joint box cap (2) is provided on the other side of the upper cover (1), and a valve nozzle (3) is provided on the surface of the cylindrical joint box cap (2). The connection between the cylindrical joint box cap (2) and the upper cover (1) is fixed externally by a snap connection assembly (6). A welding disk connector (7) is provided at one end of the upper cover (1), and a welding disk mounting piece (11) is provided at one end of the welding disk connector (7). A welding disk (14) is provided at the upper end of the welding disk mounting piece (11), and a welding disk hinge (13) is provided at one end of the welding disk (14), and the welding disk (14) is rotatably connected to the welding disk hinge (13).

2. The cap-type optical cable splice box according to claim 1, characterized in that: The snap connection assembly (6) comprises a first fixing ring (21) and a second fixing ring (22), one end of each of the first fixing ring (21) and the second fixing ring (22) is provided with a connecting seat (16), and the two connecting seats (16) are rotatably connected via a connecting shaft (19).

3. The cap-type optical cable splice box according to claim 2, characterized in that: The other end of the first fixing ring (21) is provided with a first snap seat (4), the other end of the second fixing ring (22) is provided with a second snap seat (5), a rotating seat (18) is provided on one side surface of the second fixing ring (22), a snap head (17) is provided on one side of the rotating seat (18), and the snap head (17) is rotatably connected to the rotating seat (18) via a rotating shaft, and the first snap seat (4) and the second snap seat (5) are snap-fastened via the snap head (17).

4. The cap-type optical cable splice box according to claim 1, characterized in that: A supporting stud (15) is provided at the lower end of the welding plate mounting member (11), and the welding plate mounting member (11) is fixed to the welding plate (14) via a countersunk screw externally connected to the supporting stud (15).

5. The cap-type optical cable splice box according to claim 1, characterized in that: An optical cable pressing plate (8) is provided outside the splice tray connector (7), and the splice tray connector (7) and the optical cable pressing plate (8) are connected via a grounding stud assembly (12).

6. The cap-type optical cable splice box according to claim 1, characterized in that: The outer surface of the cylindrical joint box cap (2) is provided with reinforcing ribs (20), the distance from the farthest end of the optical cable inlet and outlet pipe (10) to the farthest end of the cylindrical joint box cap (2) is 420 mm, and the farthest distance between the two sides of the snap connection assembly (6) is 195 mm.

7. The cap-type optical cable splice box according to claim 1, characterized in that: A waterproof leather (9) is provided between the cylindrical joint box cap (2) and the upper cover (1), and both the cylindrical joint box cap (2) and the upper cover (1) are made of PC material.

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