Optical fiber splice closure
The fiber optic splice box utilizes a combination structure of protective box and shielding cover, employing flexible components and plug-in components to achieve convenient disassembly and fixation. This solves the problems of cumbersome and easily lost screw connections, and improves the stability and protective performance of the fiber optic splice box.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA THREE GORGES PROJECTS DEV CO LTD
- Filing Date
- 2025-04-25
- Publication Date
- 2026-04-10
AI Technical Summary
The screw connection method of existing fiber optic splice boxes is cumbersome and prone to loss, which leads to a decrease in the stability of the housing and affects the protection performance.
It adopts a combination structure of protective box and cover, and uses elastic components and plug-in components to achieve convenient disassembly and fixation, and squeeze components and sealing components to ensure stability and sealing.
It simplifies the inspection and maintenance process of fiber optic connection points, improves the stability and protection of the housing connection, avoids the loss of screws, and makes operation more convenient.
Smart Images

Figure CN224109698U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of optical fiber communication technology, and specifically relates to an optical fiber splicing box. BACKGROUND
[0002] The optical fiber splicing box is important equipment for protecting and managing optical fiber splicing points in an optical fiber communication network, and is widely applied in the fields of telecommunications, radio and television, data centers and the like; the main functions thereof include protecting the optical fiber splicing points from mechanical damage and environmental erosion, and providing orderly wiring and management space.
[0003] The two shells of the optical fiber splicing box are connected together through screws, when the optical fiber connection points in the optical fiber splicing box are detected and maintained, the operator needs to rotate a plurality of screws and separate the two shells, the whole process is tedious and time-consuming; in addition, the screws are small as a whole, so that the phenomenon of screw loss is prone to occur when the connection points are detected and maintained, which is prone to cause the stability of the two shells to decrease after being reconnected, and even the protection performance of the splicing box may be affected.
[0004] In view of the problems in the related art, no effective solution has been proposed so far. CONTENT OF THE UTILITY MODEL
[0005] In view of the problems in the related art, the utility model provides an optical fiber splicing box to overcome the above technical problems existing in the prior art.
[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:
[0007] The utility model relates to an optical fiber splicing box, which comprises a protective box, a shielding cover is sleeved at the top of the protective box, a plug-in assembly is arranged on one side of the shielding cover, an elastic assembly is arranged at the top of the shielding cover, the moving end of the elastic assembly is connected with the pulling end of the plug-in assembly, extrusion assemblies are arranged at the two ends of the protective box and the shielding cover, a sealing assembly is arranged between the protective box and the shielding cover, and a connecting assembly is arranged at the inner wall bottom of the protective box.
[0008] The connecting assembly is used for connecting two optical fibers together, the shielding cover is used for shielding the top of the protective box, the elastic assembly is used for pulling the plug-in assembly, so that the shielding cover is fixed on the top of the protective box, and the extrusion assembly limits the connected optical fiber wire.
[0009] Further, the plug-in assembly comprises a plug-in slot, the plug-in slots are arranged on the two sides of the protective box and penetrate the shielding cover, plug-in blocks are movably connected in the plug-in slots, shielding pull plates are arranged on the two sides of the shielding cover, and the two shielding pull plates are connected with the corresponding plug-in blocks.
[0010] Further, the elastic assembly comprises a receiving cylinder, a plurality of receiving cylinders are fixedly connected at the top of the shielding cover, a movable disc is movably connected in the receiving cylinder, a movable rod is fixedly connected to one side of the movable disc, one end of the movable rod penetrates through the receiving cylinder and is fixedly connected with the corresponding shielding pull plate, a spring is fixedly connected between one side of the movable disc and the inner wall of the receiving cylinder, and one end of the plug-in block is arc-shaped.
[0011] Further, the extrusion assembly comprises a through slot, the through slot penetrates through the protection box and the shielding cover, an arc-shaped supporting shell is fixedly connected to the inner wall of the through slot on the protection box, an arc-shaped extrusion shell is fixedly connected to the inner wall of the through slot on the shielding cover, extrusion rings are fixedly connected to the inner walls of the arc-shaped supporting shell and the arc-shaped extrusion shell, and the extrusion rings are arranged in a linear array.
[0012] Further, the sealing assembly comprises a sealing groove, the sealing groove is arranged at the top of the protection box and the arc-shaped supporting shell, and a sealing strip is movably connected in the sealing groove.
[0013] Further, the connecting assembly comprises a connecting seat, the connecting seat is fixedly installed on the inner wall bottom of the protection box, connecting holes are formed in the two ends of the connecting seat, and extrusion screws are threadedly connected to the top of the connecting seat and correspond to the connecting holes.
[0014] Further, the bottom of the protection box is fixedly connected with a fixed lug plate.
[0015] The utility model has the following beneficial effects:
[0016] 1、 the utility model discloses a plug-in assembly is pulled to the elastic assembly to the shielding cover on the protection box top is covered with the stability that can be guaranteed, simultaneously when the shielding cover is detached from the top of protection box, only need to pull the plug-in assembly to the phenomenon of the shielding cover is removed, so that when the connecting point of the two optical fiber lines in the protection box is detected and maintained, the convenient operation of comparison is compared, and the plug-in assembly is connected together with the shielding cover through the elastic assembly, so that the plug-in assembly is not easy to lose phenomenon, and the stability and protection effect after the protection box and the shielding cover are connected together can be guaranteed.
[0017] 2, the utility model discloses a one end of the plug -in block is arranged into arc, to make when the shielding cover is sleeved on the top of the protection box and is constantly moved down, the outside of protection box can constantly push the plug -in block, when the shielding cover is completely sleeved on the top of the protection box, spring moves the disc and the moving rod and drives shielding pull plate to move to the side of protection box, when the plug -in block is moved to the inside of the plug -in groove under the pushing of shielding pull plate, above -mentioned setting makes when the shielding cover is sleeved on the top of the protection box, only need to press shielding cover down with force, whole operation is convenient.
[0018] Of course, it is not necessary for any product embodying the utility model to achieve all of the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme of the utility model embodiments, the following will be needed to use the drawings described simply introduced, obviously, the following description in the drawings only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.
[0020] Figure 1 It is the external contour structure schematic diagram of the utility model;
[0021] Figure 2 It is the utility model's Figure 1 Explosive structure schematic diagram;
[0022] Figure 3 It is the connection assembly structure schematic diagram of the utility model;
[0023] Figure 4 It is the shielding cover bottom structure schematic diagram of the utility model;
[0024] Figure 5 It is the shielding cover side sectional structure schematic diagram of the utility model;
[0025] Figure 6 It is the elastic component structure schematic diagram of the utility model.
[0026] In the drawings, the component list represented by each sign is as follows:
[0027] 1, protection box; 2, shielding cover; 3, plug-in assembly; 301, plug-in slot; 302, plug-in block; 303, shielding pull plate; 4, elastic assembly; 401, storage cylinder; 402, moving disc; 403, moving rod; 404, spring; 5, extrusion assembly; 501, through slot; 502, arc-shaped support shell; 503, arc-shaped extrusion shell; 504, extrusion ring; 6, sealing assembly; 601, sealing groove; 602, sealing strip; 7, connecting assembly; 701, connecting seat; 702, connecting hole; 703, extrusion screw; 8, fixed lug plate. DETAILED DESCRIPTION
[0028] The technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0029] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the utility model.
[0030] Please refer to Figures 1-6 The utility model discloses a kind of optical fiber splicing boxes, including protection box 1, the top of the protection box 1 is sleeved with shielding cover 2, one side of the shielding cover 2 is provided with plug-in assembly 3, the top of the shielding cover 2 is provided with elastic assembly 4, the moving end of the elastic assembly 4 is connected together with the pulling end of plug-in assembly 3, the both ends of the protection box 1 and shielding cover 2 are provided with extrusion assembly 5, the protection box 1 and shielding cover 2 between are provided with sealing assembly 6, the inner wall bottom of the protection box 1 is provided with connecting assembly 7;
[0031] The connecting assembly 7 is used to connect two optical fibers together, the shielding cover 2 is used to shield the top of the protection box 1, the elastic assembly 4 is used to pull plug-in assembly 3, so that the shielding cover 2 is fixed on the top of the protection box 1, and the extrusion assembly 5 limits the optical fiber line connected.
[0032] After connecting two optical fiber lines together through the connecting assembly 7, the shielding cover 2 is moved to the top of the protection box 1, at this time the extrusion assembly 5 can extrude and fix the two optical fiber lines, and at the same time the elastic assembly 4 can pull the plug-in assembly 3, so that the plug-in end of the plug-in assembly 3 fixes the protection box 1 and the shielding cover 2 together; and when detecting and repairing the connection point of the optical fiber line inside the protection box 1, only the plug-in assembly 3 needs to be pulled to make the shielding cover 2 move down from the top of the protection box 1.
[0033] The stability of the shielding cover 2 when covering the top of the protection box 1 can be guaranteed by the elastic assembly 4 applying tension to the plug-in assembly 3, and when the shielding cover 2 is detached from the top of the protection box 1, only the plug-in assembly 3 needs to be pulled to release the phenomenon of the shielding cover 2, so that the operation is more convenient when detecting and repairing the connection point of the two optical fiber lines inside the protection box 1, and at the same time the plug-in assembly 3 is connected to the shielding cover 2 through the elastic assembly 4, so that the plug-in assembly 3 is not easy to lose, and at the same time the stability and protection effect after connecting the protection box 1 and the shielding cover 2 together can be guaranteed.
[0034] In one embodiment, for the above-mentioned plug-in assembly 3, the plug-in assembly 3 comprises a plug-in slot 301, the plug-in slot 301 is provided on both sides of the protection box 1, the plug-in slot 301 penetrates the shielding cover 2, the plug-in block 302 is movably connected inside the plug-in slot 301, the shielding pull plate 303 is arranged on both sides of the shielding cover 2, and the two shielding pull plates 303 are connected together with the corresponding plug-in block 302.
[0035] After the shielding cover 2 is sleeved on the top of the protection box 1, the plug-in block 302 is pushed through the shielding pull plate 303, so that the plug-in block 302 can move into the plug-in slot 301 provided on the protection box 1, at this time the plug-in block 302 can limit the shielding cover 2 through the plug-in slot 301, so that the shielding cover 2 cannot be separated from the top of the protection box 1.
[0036] In one embodiment, for the above-mentioned elastic assembly 4, the elastic assembly 4 comprises a receiving cylinder 401, a plurality of receiving cylinders 401 are fixedly connected on the top of the shielding cover 2, the movable disc 402 is movably connected inside the receiving cylinder 401, the movable rod 403 is fixedly connected on one side of the movable disc 402, one end of the movable rod 403 penetrates the receiving cylinder 401 and is fixedly connected with the corresponding shielding pull plate 303, the spring 404 is fixedly connected between one side of the movable disc 402 and the inner wall of the receiving cylinder 401, and one end of the plug-in block 302 is arc-shaped.
[0037] When the shielding cover 2 is sleeved on the top of the protection box 1, the arc-shaped one end of the plug-in block 302 is in contact with the outer surface of the protection box 1, and as the shielding cover 2 is continuously moved downward, the plug-in block 302 can be continuously moved outward, and when the shielding cover 2 is completely sleeved on the top of the protection box 1, the spring 404 pulls the moving rod 403 through the moving disc 402, so that the moving rod 403 can drive the shielding pull plate 303 to move to one side of the protection box 1, and at the same time, the plug-in block 302 is moved to the inside of the plug-in slot 301 under the pushing of the shielding pull plate 303. The above arrangement makes it only need to press the shielding cover 2 downward when sleeving the shielding cover 2 on the top of the protection box 1, and the whole operation is relatively convenient. When the plug-in block 302 is moved out of the inside of the plug-in slot 301, the shielding pull plate 303 is directly pulled and the plug-in block 302 is moved out of the inside of the plug-in slot 301. Since the plug-in block 302 and the shielding pull plate 303 are provided with two, only when the shielding pull plate 303 is pulled at the same time can the shielding cover 2 be moved out of the top of the protection box 1. The arrangement makes the subsequent optical fiber splicing box not easy to be separated from the top of the protection box 1 due to accidental touch when in use.
[0038] In one embodiment, for the above-mentioned extrusion assembly 5, the extrusion assembly 5 comprises a through slot 501 penetrating the protection box 1 and the shielding cover 2, the inner wall of the through slot 501 on the protection box 1 is fixedly connected with an arc-shaped support shell 502, the inner wall of the through slot 501 on the shielding cover 2 is fixedly connected with an arc-shaped extrusion shell 503, the inner walls of the arc-shaped support shell 502 and the arc-shaped extrusion shell 503 are fixedly connected with extrusion rings 504, and the extrusion rings 504 are arranged in a linear array.
[0039] The one end of the optical fiber line can be introduced into the inside of the protection box 1 through the through slot 501. When the shielding cover 2 is moved into the inside of the protection box 1, the arc-shaped extrusion shell 503 can be moved into the inside of the through slot 501, at which time the arc-shaped extrusion shell 503 and the extrusion rings 504 in the arc-shaped support shell 502 can extrude and limit the optical fiber line. Since the extrusion rings 504 are provided with multiple, the firmness of the arc-shaped extrusion shell 503 and the arc-shaped support shell 502 when extruding and fixing the optical fiber line can be guaranteed, and at the same time, the external dust and impurities are not easy to accumulate in the inside of the protection box 1 through the arc-shaped extrusion shell 503 and the arc-shaped support shell 502.
[0040] In one embodiment, for the above-mentioned sealing assembly 6, the sealing assembly 6 comprises a sealing slot 601, which is arranged on the top of the protection box 1 and the arc-shaped support shell 502, and a sealing strip 602 is movably connected in the inside of the sealing slot 601, and the sealing strip 602 is fixedly connected with the inner wall of the shielding cover 2.
[0041] After the shielding cover 2 is moved to the top of the protection box 1, the sealing strip 602 can be directly moved to the inside of the sealing groove 601, and the sealing strip 602 and the sealing groove 601 cooperate to seal the connection position of the shielding cover 2 and the protection box 1, so that the sealing property of the whole after the protection box 1 and the shielding cover 2 are connected together can be guaranteed.
[0042] In an embodiment, for the above-mentioned connecting assembly 7, the connecting assembly 7 comprises a connecting seat 701 fixedly installed at the bottom of the inner wall of the protection box 1, a plurality of connecting holes 702 are formed at both ends of the connecting seat 701, and a plurality of extrusion screws 703 are threadedly connected to the top of the connecting seat 701 and correspond to the connecting holes 702.
[0043] By moving the wire of one end of the optical fiber wire into the connecting hole 702, and then extruding the corresponding extrusion screw 703, the wire cannot be separated from the inside of the connecting hole 702; since the connecting holes 702 at both ends of the connecting seat 701 are one-to-one corresponding and electrically connected together, after the wires of one end of the two optical fiber wires are moved into the connecting holes 702, the two optical fiber wires can be directly connected together.
[0044] In an embodiment, for the above-mentioned protection box 1, the bottom of the protection box 1 is fixedly connected with a fixed lug plate 8.
[0045] The screw can install the protection box 1 on a suitable position through the fixed lug plate 8, so that the stability of the whole protection box 1 when in use can be guaranteed, and the firmness of the connection points of the two optical fiber wires inside the protection box 1 can also be guaranteed.
[0046] Through the technical scheme, 1, the elastic component 4 is used to apply the pulling force to the plug-in assembly 3, so that the stability of the shielding cover 2 when covering the top of the protection box 1 can be ensured, and when the shielding cover 2 is detached from the top of the protection box 1, the plug-in assembly 3 only needs to be pulled to release the phenomenon of the shielding cover 2, so that the operation is convenient when the connection points of the two optical fiber lines in the protection box 1 are detected and maintained, and the plug-in assembly 3 is not easy to be lost, and the stability and protection effect after the protection box 1 and the shielding cover 2 are connected together can be ensured; 2, one end of the plug-in block 302 is arranged in an arc shape, so that when the shielding cover 2 is sleeved on the top of the protection box 1 and continuously moves downwards, the outside of the protection box 1 can continuously push the plug-in block 302, when the shielding cover 2 is completely sleeved on the top of the protection box 1, the spring 404 drives the shielding pull plate 303 to move to one side of the protection box 1 through the moving disc 402 and the moving rod 403, at this time, the plug-in block 302 is moved to the inside of the plug-in slot 301 again under the pushing of the shielding pull plate 303, the above arrangement makes it only need to press the shielding cover 2 downwards when the shielding cover 2 is sleeved on the top of the protection box 1, and the whole operation is convenient.
[0047] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0048] The above disclosed utility model preferred embodiment is only used to help explain the utility model. The preferred embodiment does not describe all the details and limit the utility model to the specific implementation described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.
Claims
1. An optical fiber splice closure comprising a protective box (1), characterized in that, The top of the protection box (1) is sleeved with a shielding cover (2), one side of the shielding cover (2) is provided with a plug-in assembly (3), the top of the shielding cover (2) is provided with an elastic assembly (4), the moving end of the elastic assembly (4) is connected with the pulling end of the plug-in assembly (3), the two ends of the protection box (1) and the shielding cover (2) are provided with extrusion assemblies (5), the protection box (1) and the shielding cover (2) are provided with sealing assemblies (6), and the inner wall bottom of the protection box (1) is provided with a connecting assembly (7). The connecting assembly (7) is used for connecting two optical fibers together, the shielding cover (2) is used for shielding the top of the protection box (1), the elastic assembly (4) is used for pulling the plug-in assembly (3) to fix the shielding cover (2) on the top of the protection box (1), and the extrusion assembly (5) is used for limiting the connected optical fiber wire.
2. An optical fiber splice tray as set forth in claim 1, wherein, The plug-in assembly (3) comprises a plug-in groove (301), the plug-in groove (301) is arranged on both sides of the protection box (1), the plug-in groove (301) penetrates the shielding cover (2), the plug-in groove (301) is movably connected with a plug-in block (302), and the two sides of the shielding cover (2) are provided with shielding pull plates (303).
3. An optical fiber splice tray as defined in claim 2, wherein, The elastic assembly (4) comprises a receiving cylinder (401), a plurality of receiving cylinders (401) are fixedly connected on the top of the shielding cover (2), the receiving cylinder (401) is movably connected with a moving disc (402), one side of the moving disc (402) is fixedly connected with a moving rod (403), one end of the moving rod (403) penetrates the receiving cylinder (401) and is fixedly connected with the corresponding shielding pull plate (303), a spring (404) is fixedly connected between one side of the moving disc (402) and the inner wall of the receiving cylinder (401), and one end of the plug-in block (302) is arc-shaped.
4. An optical fiber splice tray as set forth in claim 1, further comprising: The extrusion assembly (5) comprises a through groove (501), the through groove (501) penetrates the protection box (1) and the shielding cover (2), the inner wall of the through groove (501) on the protection box (1) is fixedly connected with an arc-shaped supporting shell (502), the inner wall of the through groove (501) on the shielding cover (2) is fixedly connected with an arc-shaped extrusion shell (503), the inner walls of the arc-shaped supporting shell (502) and the arc-shaped extrusion shell (503) are fixedly connected with extrusion rings (504), and the extrusion rings (504) are arranged in a linear array.
5. An optical fiber splice tray as set forth in claim 1, wherein, The sealing assembly (6) comprises a sealing groove (601), the sealing groove (601) is arranged on the top of the protection box (1) and the arc-shaped supporting shell (502), and the inner wall of the sealing groove (601) is movably connected with a sealing strip (602).
6. An optical fiber splice tray as set forth in claim 1, further comprising: The connecting assembly (7) comprises a connecting seat (701) fixedly installed at the bottom of the inner wall of the protection box (1), both ends of the connecting seat (701) are provided with a plurality of connecting holes (702), and the top of the connecting seat (701) is threadedly connected with a plurality of extrusion screws (703) corresponding to the connecting holes (702).
7. An optical fiber splice tray as set forth in claim 1, wherein, The bottom of the protection box (1) is fixedly connected with a fixed lug plate (8).