Optical cable connector box for provincial trunk line

Abstract

The utility model discloses an optical cable joint box for a provincial level trunk line, which comprises a box body and a box cover which are connected with each other, one end of the box body is provided with a cable inlet hole for an inlet cable to pass through, the other end of the box body is provided with a cable outlet hole for an outlet cable to pass through, a rectangular cavity is arranged in the box body and the box cover, and a support body is arranged in the rectangular cavity. A fiber winding disc is arranged in the middle of the support body, a turnover plate capable of achieving optical fiber communication is arranged above the fiber winding disc, one end of the turnover plate is hinged to the support body through a hinge, and the other end of the turnover plate is supported on the support body. Through the above mode, the optical cable connector box for the provincial trunk line can meet the requirements of connection or replacement of branch fiber lines, has an excellent replaceable function, can be repeatedly used, reduces the change cost, increases the processing capability of the trunk line branch lines, does not need to carry out fusion welding on optical fibers when the trunk line optical cable branch lines are switched or replaced, and is convenient to use. And the repeated construction cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of optical cable joint boxes, in particular to an optical cable joint box for provincial trunk lines. Background Art

[0002] The optical cable splice box is one of the important equipments that must be used in the optical fiber splicing part of the optical cable line construction. It is mainly used to place two or more optical cables that have been spliced ​​by the fiber splicing machine one by one in the standard order and protect the optical fiber joints from damage.

[0003] When the existing trunk optical cable junction box encounters the situation of cutting off or replacing the trunk optical cable branch, a series of measures need to be taken to ensure the stability and continuity of the optical cable system. Generally, the fiber path is cut off and re-fusing is adopted. However, due to the limited length of reserved optical fiber, once the fusion fails, it is easy to cause the branch optical cable to be unable to connect, resulting in the loss of optical signal and increasing the cost of repeated construction. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a provincial trunk optical cable junction box, which is suitable for the straight-through and branch connections of the trunk optical cable. According to the actual needs on site, the corresponding type of flip plate can be selected to meet the needs of branch fiber connection or replacement. It has excellent replaceable function and has no effect on the branch optical fiber. Since the optical fiber does not need to be welded when the link is replaced, the cost of duplicate construction is reduced, and the operation is simple and convenient, which has great value for promotion and application.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a provincial trunk optical cable joint box, comprising: a box body and a box cover connected to each other, one end of the box body has a cable entry hole for the cable to pass through, and the other end of the box body has a cable exit hole for the cable to pass through.

[0006] The box body and the box cover have a rectangular cavity inside, a bracket body is arranged in the rectangular cavity, a fiber winding disk is provided in the middle of the bracket body, and a flip plate capable of realizing optical fiber connection is provided above the fiber winding disk. One end of the flip plate is hinged to the bracket body through a hinge, and the other end of the flip plate is supported on the bracket body.

[0007] In a preferred embodiment of the utility model, a plurality of mounting holes 1 are evenly spaced around the box body, a plurality of mounting holes 2 are evenly spaced around the box cover, and the fastening bolts are passed through the mounting holes 1 and 2 and then tightened to connect the box body and the box cover.

[0008] In a preferred embodiment of the utility model, sealing grooves are arranged around the box body, and sealing strips are arranged in the sealing grooves, and the box body and the box cover are sealed and connected through the sealing strips.

[0009] In a preferred embodiment of the present invention, the cable inlet and the cable inlet hole of the box body are sealed by a waterproof sealing ring, and the cable outlet and the cable outlet hole of the box body are sealed by a waterproof sealing ring.

[0010] In a preferred embodiment of the utility model, one end of the bracket body has a cable-incoming fixing plate that cooperates with the incoming cable, and the other end of the bracket body has a cable-outgoing fixing plate that cooperates with the outgoing cable. The incoming cable is tied to the cable-incoming fixing plate through an optical cable locking throat clamp, and the outgoing cable is tied to the cable-outgoing fixing plate through an optical cable locking throat clamp.

[0011] In a preferred embodiment of the utility model, a cable reinforcing core fixing column is provided on the bracket body at a position cooperating with the incoming cable and the outgoing cable, and an insulating gasket is installed at the bottom end of the cable reinforcing core fixing column.

[0012] In a preferred embodiment of the present invention, the flip plate is an adapter-type flip plate or a box-type splitter-type flip plate.

[0013] In a preferred embodiment of the present invention, the adapter-type flip plate is an SC adapter type, an FC adapter type or an LC adapter type.

[0014] The beneficial effects of the utility model are: simple and convenient operation, high reliability and stability, able to meet the needs of branch fiber line connection or replacement, with excellent replaceable function, can be repeatedly used, reduce change costs, increase the processing capacity of trunk branches, and when the trunk optical cable branch is switched or replaced, there is no need to weld the optical fiber, reducing the cost of repeated construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0016] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model of a provincial trunk optical cable joint box box body;

[0017] Figure 2 It is a structural schematic diagram of a preferred embodiment of a box cover for an optical cable joint box for provincial trunk lines of the utility model;

[0018] Figure 3 It is a side structural schematic diagram of a preferred embodiment of the utility model of a provincial trunk optical cable junction box;

[0019] Figure 4It is a structural schematic diagram of a preferred embodiment of the utility model for a provincial trunk optical cable junction box bracket;

[0020] Figure 5 It is a schematic diagram of the structure of the flip state of a preferred embodiment of the utility model of the optical cable joint box for provincial trunk lines using an adapter-type flip plate;

[0021] Figure 6 It is a schematic diagram of the closed state structure of a preferred embodiment of the utility model of a provincial trunk optical cable joint box using an adapter-type flip plate;

[0022] Figure 7 It is a schematic diagram of the structure of the flip state of a preferred embodiment of the utility model of the optical cable joint box for provincial trunk lines using a box-type splitter-type flip plate;

[0023] Figure 8 It is a schematic diagram of the closed state structure of a preferred embodiment of the utility model of a provincial trunk optical cable joint box using a box-type splitter-type flip plate;

[0024] The markings of the components in the accompanying drawings are as follows:

[0025] 1. Box body, 1-1. Installation hole 1, 1-2. Sealing groove, 1-3. Cable entry hole, 1-4. Cable exit hole, 2. Box cover, 2-1. Installation hole 2, 3. Sealing strip, 4. Waterproof sealing ring, 5. Cable entry, 6. Cable exit, 7. Bracket body, 7-1. Cable entry fixing plate, 7-2. Cable exit fixing plate, 8. Optical cable locking throat clamp, 9. Optical cable reinforcement core fixing column, 10. Insulating gasket, 11. Fiber winding disk, 12. Flip plate, 13. Hinge. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] The utility model relates to a preferred embodiment of an optical cable joint box for provincial trunk lines.

[0029] See also Figures 1 to 4 The provincial trunk optical cable junction box includes a box body 1 and a box cover 2 connected to each other. The box body 1 has a plurality of mounting holes 1-1 evenly spaced around the periphery, and the box cover 2 has a plurality of mounting holes 2-1 evenly spaced around the periphery. The fastening bolts are locked through the mounting holes 1-1 and the mounting holes 2-1 to connect the box body 1 and the box cover 2.

[0030] Furthermore, sealing grooves 1 - 2 are arranged around the box body 1 , and sealing strips 3 are arranged in the sealing grooves 1 - 2 . The box body 1 and the box cover 2 are sealed and connected via the sealing strips 3 .

[0031] In an exemplary embodiment, one end of the box body 1 has a cable entry hole 1-3 for the cable 5 to pass through, and the other end of the box body 1 has a cable exit hole 1-4 for the cable 6 to pass through.

[0032] Furthermore, the cable inlet 5 is sealed with the cable inlet hole 1 - 3 of the box body 1 through a waterproof sealing ring 4 , and the cable outlet 6 is sealed with the cable outlet hole 1 - 4 of the box body 1 through a waterproof sealing ring 4 .

[0033] The sealing strip 3 and the waterproof sealing ring 4 can fully and effectively isolate dust and moisture in the external environment, ensure the cleanliness and dryness of the internal environment of the junction box, and ensure the stability of the internal environment of the junction box, thereby protecting the quality and stability of the optical fiber connection.

[0034] In an exemplary embodiment, the box body 1 and the box cover 2 have a rectangular cavity inside, and a bracket body 7 is arranged in the rectangular cavity. One end of the bracket body 7 has a cable-in fixing plate 7-1 that cooperates with the cable-in 5, and the other end of the bracket body 7 has a cable-out fixing plate 7-2 that cooperates with the cable-out 6.

[0035] Furthermore, the incoming cable 5 is tied to the incoming cable fixing plate 7-1 through the optical cable locking throat hoop 8, and the outgoing cable 6 is tied to the outgoing cable fixing plate 7-2 through the optical cable locking throat hoop 8. The optical cable locking throat hoop 8 can prevent the movement or deformation of the incoming or outgoing cable, play a role in fixing and protecting the optical cable, and ensure the overall stability and reliability of the optical cable.

[0036] Furthermore, an optical cable strengthening core fixing column 9 is provided on the bracket body 7 at a position cooperating with the incoming cable 5 and the outgoing cable 6, and an insulating gasket 10 is installed at the bottom end of the optical cable strengthening core fixing column 9. The optical fiber unit or optical fiber bundle can be supported by the optical cable strengthening core fixing column 9, which can significantly improve the tensile strength of the optical cable and ensure the performance of the optical cable.

[0037] In an exemplary embodiment, a fiber winding disk 11 is provided in the middle of the support body 7, and a flip plate 12 is provided above the fiber winding disk 11 to enable optical fiber connection.

[0038] One end of the flip plate 12 is hinged to the bracket body 7 through a hinge 13, and the other end of the flip plate 12 is supported on the bracket body 7. The flip plate 12 is connected to the bracket body 7 through the hinge 13, and the hinge 13 can make the flip plate 12 rotate or close to leave space for fiber winding.

[0039] Preferably, if Figure 5-Figure 8 As shown, the flip plate 12 is an adapter-type flip plate or a box-type splitter-type flip plate, and the adapter-type flip plate is an SC adapter type, FC adapter type or LC adapter type.

[0040] The box splitter can evenly distribute the optical signal transmitted in one optical fiber to multiple optical fibers, or merge the optical signals in multiple optical fibers into one optical fiber, and the adapter can be used to connect different types of optical fiber connectors or equipment interfaces.

[0041] In this way, according to the actual needs on site, the corresponding type of flip plate can be selected to meet the needs of branch fiber line connection or replacement. It has excellent replaceable function and has no effect on the branch optical fiber. In addition, since the optical fiber does not need to be welded when replacing the link, the cost of duplicate construction is reduced, and the operation is simple and convenient, which has great value for promotion and application.

[0042] The beneficial effects of the utility model of the optical cable joint box for provincial trunk lines are:

[0043] It can meet the needs of branch fiber line connection or replacement, has excellent replaceability, can be repeatedly used, reduces the cost of change, and increases the processing capacity of trunk branches;

[0044] When the trunk optical cable branch is switched or replaced, there is no need to weld the optical fiber, which reduces the cost of repeated construction.

[0045] The operation is simple and convenient, with high reliability and stability.

[0046] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A provincial trunk optical cable junction box, characterized in that: include: The box body and the box cover are connected to each other, one end of the box body has a cable entry hole for the incoming cable to pass through, and the other end of the box body has a cable exit hole for the outgoing cable to pass through. The box body and the box cover have a rectangular cavity inside, a bracket body is arranged in the rectangular cavity, a fiber winding disk is provided in the middle of the bracket body, and a flip plate capable of realizing optical fiber connection is provided above the fiber winding disk. One end of the flip plate is hinged to the bracket body through a hinge, and the other end of the flip plate is supported on the bracket body.

2. The optical cable splice box for provincial trunk lines according to claim 1, characterized in that: The box body is provided with a plurality of mounting holes 1 at intervals and evenly distributed around the box cover, and the box body is provided with a plurality of mounting holes 2 at intervals and evenly distributed around the box cover. The fastening bolts are passed through the mounting holes 1 and 2 and then locked to connect the box body with the box cover.

3. The optical cable splice box for provincial trunk lines according to claim 1, characterized in that: The box body is provided with sealing grooves around it, and sealing strips are arranged in the sealing grooves. The box body and the box cover are sealed and connected via the sealing strips.

4. The optical cable splice box for provincial trunk lines according to claim 1, characterized in that: The cable inlet and the cable inlet hole of the box body are sealed by a waterproof sealing ring, and the cable outlet and the cable outlet hole of the box body are sealed by a waterproof sealing ring.

5. The optical cable splice box for provincial trunk lines according to claim 1, characterized in that: One end of the bracket body has a cable-incoming fixing plate that cooperates with the incoming cable, and the other end of the bracket body has a cable-outgoing fixing plate that cooperates with the outgoing cable. The incoming cable is tied to the cable-incoming fixing plate through an optical cable locking throat hoop, and the outgoing cable is tied to the cable-outgoing fixing plate through an optical cable locking throat hoop.

6. The optical cable splice box for provincial trunk lines according to claim 1, characterized in that: An optical cable strengthening core fixing column is provided on the support body at a position cooperating with the incoming cable and the outgoing cable, and an insulating gasket is installed at the bottom end of the optical cable strengthening core fixing column.

7. The optical cable splice box for provincial trunk lines according to claim 1, characterized in that: The flip plate is an adapter-type flip plate or a box-type splitter-type flip plate.

8. The optical cable splice box for provincial trunk lines according to claim 7, characterized in that: The adapter-type flip plate is an SC adapter type, an FC adapter type or an LC adapter type.

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