Terminal box capable of preventing optical fiber from falling off

Abstract

The utility model provides a terminal box capable of preventing optical fibers from falling off, which comprises a box body, a plurality of optical fiber connectors are arranged on one side of the box body, tail fibers corresponding to the optical fiber connectors in number are arranged in the box body, tail fiber heads located at the tail ends of the tail fibers are respectively installed in the optical fiber connectors in a pluggable mode, and a screw rod is arranged on one side of each optical fiber connector. One end of each screw rod is fixed with the inner wall of the box body, the pressing plates are respectively arranged at one side of the optical fiber connector, the pressing plates movably penetrate through the screw rods, and each screw rod is in threaded connection with a fastening knob. When the optical fiber connector is used, one side of each optical fiber connector is provided with the pressing plate, each pressing plate movably penetrates through the screw rod, and after the tail fiber head is inserted, the fastening knob can be rotated to tightly press the pressing plate on the tail fiber head, so that the tail fiber head can be firmly inserted into the optical fiber connector without loosening and shaking; and the possibility of poor connection in the terminal box is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to terminal box technical field, concretely is a kind of terminal box of preventing optical fiber from falling off. BACKGROUND

[0002] Terminal box series product is the auxiliary equipment of terminal distribution in optical fiber transmission communication network, and terminal box is mainly used for the fixation of optical cable terminal, the fusion of optical cable and tail fiber and the accommodation and protection of surplus fiber.

[0003] A plurality of optical fiber connectors are arranged on the inner side of the terminal box, and the tail fiber heads of the tail fiber ends in the box are inserted into the optical fiber connectors, and the tail fiber heads are connected with the external optical fibers through the optical fiber connectors outside the terminal box, so that the tail fibers and the external optical fibers are connected. The terminal box is not easily opened during use, so the connection between the tail fiber heads and the optical fiber connectors must be tight, otherwise the signal transmission will be affected. If the connection is loose, it is difficult to find the problem due to the large number of optical fiber connectors. Therefore, the present application provides a terminal box for preventing optical fiber from falling off. During use, the tail fiber heads are tightly pressed on the optical fiber connectors, thereby greatly reducing the possibility of loosening. SUMMARY

[0004] The utility model provides a kind of terminal box for preventing optical fiber from falling off, with the advantage that pressing plate is tightly pressed on tail fiber head, so that tail fiber head can be firmly inserted into optical fiber connector without loosening and shaking, solving the problem raised in the above background technology.

[0005] The technical scheme of the utility model is as follows: a terminal box for preventing optical fiber from falling off, comprising a box body, a plurality of optical fiber connectors arranged on one side of the box body, a plurality of tail fibers corresponding to the optical fiber connectors arranged in the box body, tail fiber heads at the ends of the tail fibers respectively inserted into the optical fiber connectors, a screw rod arranged on one side of each optical fiber connector, one end of the screw rod fixed to the inner wall of the box body, a plurality of pressing plates respectively arranged on one side of the optical fiber connectors, the pressing plates movably penetrating the screw rods, a fastening knob threadedly connected to each screw rod, a bayonet on one side of the pressing plate corresponding to the tail fiber head, the size of the bayonet matched with the size of the tail of the tail fiber head, the tail of the tail fiber head arranged in the bayonet, and the pressing plate pressed on the tail fiber head by rotating the fastening knob.

[0006] Preferably, a box cover is detachably arranged on the top of the box body.

[0007] Preferably, the screw rods arranged on the side surface of the optical fiber connector are two and symmetrically arranged, and the two ends of the pressing plate movably penetrate the screw rods.

[0008] Preferably, a wire hole is further arranged on the side surface of the box body, a support is arranged at the wire hole, the support connected to the bottom of the box body, a pressing seat detachably arranged on the top of the support, and a groove arranged on the opposite surfaces of the pressing seat and the support.

[0009] Preferably, the box body is internally provided with a fiber fusion tray.

[0010] Preferably, the fiber fusion tray comprises a mounting plate detachably arranged on the bottom surface of the box body, the mounting plate is provided with a stop ring at each end of the top thereof, a plurality of limiting blocks are arranged on the circumferential side of each stop ring, the limiting blocks are annularly distributed, and a plurality of limiting clamping grooves are arranged in the middle of the mounting plate.

[0011] Preferably, an annular seat is detachably arranged in the top of each stop ring, and an annular baffle is arranged at the edge of the annular seat, when the annular seat is arranged in the top of the stop ring, the edge of the annular baffle is arranged on the top of the limiting block.

[0012] Preferably, a rotating handle is arranged in the middle of the top surface of the annular seat.

[0013] Compared with the prior art, in use, the pressure plates are arranged on one side of each fiber connector, and each pressure plate is movably penetrated on the screw rod, after the tail fiber head is inserted, in order to prevent the tail fiber head from being connected with the fiber connector, the tight fastening knob is rotated to tightly press the pressure plate on the tail fiber head, so that the tail fiber head can be tightly inserted in the fiber connector and cannot be loosened and shaken, and the possibility of internal connection failure of the terminal box is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 The structure of the present application is shown in the structure of the present application Figure 1 .

[0016] Figure 2 The structure of the present application is shown in the structure of the present application Figure 2 .

[0017] Figure 3 The structure of the present application is shown in the structure of the present application

[0018] Figure 4 The structure of the present application is shown in the structure of the present application

[0019] In the drawing: 1, box body; 2, pressure plate; 3, screw rod; 4, tail fiber head; 5, fiber connector; 6, tight fastening knob; 7, limiting block; 8, mounting plate; 9, stop ring; 10, limiting clamping groove; 11, annular baffle; 12, annular seat; 13, rotating handle; 14, threading port; 15, bayonet; 16, support; 17, compression seat; 18, box cover. DETAILED DESCRIPTION

[0020] The technical solutions of the utility model will be described clearly and completely below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Referring to Figures 1 to 4 The utility model provides a kind of technical solutions: a kind of terminal box to prevent optical fiber from falling off, including box body 1, box cover 18 is detachably arranged on the top of box body 1, box cover 18 is connected with box body 1 buckle or by screw connection. Box body 1 side is equipped with multiple optical fiber connectors 5, the number of tail fiber corresponding to optical fiber connector 5 is arranged in box body 1, tail fiber head 4 at tail fiber end is respectively inserted and installed in optical fiber connector 5, and optical fiber fusion splicing disc is arranged in box body 1, and tail fiber is wound in optical fiber fusion splicing disc;

[0022] The specific structure of optical fiber fusion splicing disc includes mounting plate 8 that can be detachably arranged on the bottom surface in box body 1, i.e. mounting plate 8 is connected with box body 1 by screw. The top of mounting plate 8 is equipped with baffle ring 9 at two ends respectively, and multiple limiting blocks 7 are arranged on the periphery of each baffle ring 9, and limiting block 7 is annularly distributed, so baffle ring 9 is located in the space surrounded by limiting block 7, and tail fiber is also wound in the space, to avoid tail fiber winding, i.e. incoming optical fiber and tail fiber are wound on one baffle ring 9;

[0023] And a plurality of limiting clamping grooves 10 are arranged in the middle of mounting plate 8, and heat shrink sleeve is placed in limiting clamping groove 10, because tail fiber and incoming optical cable need to be fused, heat shrink sleeve is placed in limiting clamping groove 10 to protect the fusion part, to avoid heat shrink sleeve from shaking, limiting clamping groove 10 is arranged between two baffle rings 9, which can perfectly transition the fusion of light;

[0024] As shown in Figure 1 Each baffle ring 9 is detachably provided with annular seat 12 on the top, which is screw-connected or clamped with baffle ring 9, and annular baffle 11 is arranged on the edge of annular seat 12, when annular seat 12 is placed in the top of baffle ring 9, the edge of annular baffle 11 is placed on the top of limiting block 7, i.e. annular baffle 11 seals the space surrounded by limiting block 7, to prevent tail fiber from falling off baffle ring 9. In order to facilitate the rotation of annular seat 12, rotating handle 13 is arranged in the middle of the top surface of annular seat 12, and the operator can rotate annular seat 12 by holding rotating handle 13.

[0025] Further, since the number of fiber connectors 5 on the terminal box is large, the number of tail fiber heads 4 connected thereto is also large, and the focus of the application is to reinforce the connection strength of the tail fiber head 4 and the fiber connector 5, avoiding the possibility of loose tail fiber head 4. Therefore, a screw rod 3 is arranged on one side of each fiber connector 5, one end of the screw rod 3 is fixed to the inner wall of the box body 1, as shown in Figure 1 the screw rod 3 on the side of the fiber connector 5 is two and symmetrically arranged;

[0026] The application also includes a number of pressing plates 2, which are respectively arranged on one side of the fiber connector 5, and the pressing plate 2 is movably penetrated on the screw rod 3, that is, the two ends of the pressing plate 2 are movably penetrated on the screw rod 3, and a fastening knob 6 is threadedly connected on each screw rod 3. One side of the pressing plate 2 is provided with a bayonet 15 corresponding to the tail fiber head 4, and the size of the bayonet 15 matches the size of the tail of the tail fiber head 4, that is, the size of the bayonet 15 is smaller than the size of the head of the tail fiber head 4, when the tail of the tail fiber head 4 is placed in the bayonet 15, and then the fastening knob 6 is rotated to advance the pressing plate 2 towards the tail fiber head 4, so that the pressing plate 2 is tightly pressed on the tail fiber head 4, so that the tail fiber head 4 can be firmly inserted into the fiber connector 5 without loosening and shaking.

[0027] Further, the box body 1 is also provided with a threading port 14 on the side, and the threading port 14 is used to place the external incoming fiber, and the threading port 14 is provided with a support 16, and the support 16 is connected with the bottom of the box body 1, and a pressing seat 17 is detachably arranged on the top of the support 16, and the opposite surfaces of the pressing seat 17 and the support 16 are provided with grooves, and the incoming fiber is placed in the groove, and the pressing seat 17 and the top of the support 16 are fastened by screws.

[0028] Based on the above embodiment, the back or edge of the box body 1 is provided with a mounting hanging point or a support, which facilitates the installation of the box body 1.

[0029] The above only describes the preferred embodiment of the application, and does not limit the application, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A terminal box against fiber drop, comprising a box body (1), a plurality of fiber connectors (5) are arranged on one side of the box body (1), a number of pigtail fibers corresponding to the fiber connectors (5) are arranged in the box body (1), and a pigtail head (4) at the end of each pigtail fiber is respectively inserted into the fiber connector (5), characterized in that, One side of each fiber connector (5) is provided with a screw rod (3), one end of the screw rod (3) is fixed with the inner wall of the box body (1); Further comprising several pressing plates (2), the pressing plates (2) are respectively arranged on one side of the fiber connector (5), the pressing plates (2) are movably penetrated on the screw rod (3), and each screw rod (3) is threadedly connected with a fastening knob (6); One side of the pressing plate (2) is provided with a bayonet (15) corresponding to the tail fiber head (4), the size of the bayonet (15) matches the size of the tail of the tail fiber head (4), the tail of the tail fiber head (4) is arranged in the bayonet (15), and the pressing plate (2) is pressed on the tail fiber head (4) by rotating the fastening knob (6).

2. The optical fiber drop terminal box of claim 1, wherein, The box cover (18) is detachably arranged on the top of the box body (1).

3. The optical fiber drop terminal box of claim 1, wherein, The screw rod (3) on the side surface of the fiber connector (5) is two and symmetrically arranged, and the pressing plate (2) is movably penetrated on the screw rod (3) at both ends.

4. The optical fiber drop terminal box of claim 1, wherein, The box body (1) is further provided with a threading hole (14) at the side surface, the threading hole (14) is provided with a support (16), and the support (16) is connected with the bottom of the box body (1); A pressing seat (17) is detachably arranged on the top of the support (16), and the opposite surfaces of the pressing seat (17) and the support (16) are provided with grooves.

5. The optical fiber drop terminal box of any of claims 1-4, wherein, The box body (1) is provided with a fiber fusion disc.

6. The optical fiber drop terminal box of claim 5, wherein, The fiber fusion disc comprises a mounting plate (8) detachably arranged on the inner bottom surface of the box body (1), the top of the mounting plate (8) is provided with a retaining ring (9) at both ends, the circumferential side of each retaining ring (9) is provided with a plurality of limiting blocks (7), the limiting blocks (7) are annularly distributed, and a plurality of limiting clamping grooves (10) are arranged in the middle of the mounting plate (8).

7. The optical fiber drop terminal box of claim 6, wherein, The top of each retaining ring (9) is detachably provided with an annular seat (12), the edge of the annular seat (12) is provided with an annular baffle (11), and when the annular seat (12) is arranged in the top of the retaining ring (9), the edge of the annular baffle (11) is arranged on the top of the limiting block (7).

8. The optical fiber drop terminal box of claim 7, wherein, The top surface of the annular seat (12) is provided with a rotating handle (13).

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