Fiber distribution box with modular structure

Abstract

The utility model discloses a fiber distribution box with a modular structure, which comprises a fiber distribution box body and a base plate, the base plate is fixedly mounted on the rear surface of the interior of the fiber distribution box body, an optical splitter is arranged in front of the base plate, a guide mechanism is fixedly mounted on the front surface of the base plate, a moving block is movably sleeved on the guide mechanism, and the moving block is movably sleeved on the base plate. And a pressing plate is arranged in front of the moving block. According to the fiber distribution box of the modular structure, when optical splitters of different lengths need to be installed, the adjusting rod is rotated, the adjusting rod drives the first bevel gear and the rotating rod to rotate through the rotating second bevel gear, at the moment, the moving blocks move at the same time, and therefore it can be guaranteed that the two moving blocks move by the same distance, and installation of the optical splitters is facilitated. When the optical branching device is attached to the base plate, the rotary knob is rotated to enable the pressing plate to be continuously close to the mounting plates on the two sides of the optical branching device until the positioning columns of the pressing plate are embedded in the mounting holes of the mounting plates, so that the mounting of the optical branching device can be quickly completed.

Description

Technical Field

[0001] The utility model relates to the field of fiber splitting boxes, in particular to a fiber splitting box with a modular structure. Background Art

[0002] The optical fiber splitter box is an interface device used to connect the trunk optical cable and the distribution optical cable outdoors, in corridors or indoors. The optical fiber splitter box must be able to work reliably in the specified environment. The box can withstand a vertical pressure of no more than 500N, and the fiber splitter box has a modular structure inside, which can manage the internal optical splitter in partitions.

[0003] However, there are some shortcomings in the current fiber distribution box. For example, the application number is 202220608134.1, which discloses "an optical cable fiber distribution box based on a modular assembly structure, including an optical cable fiber distribution box body, an assembly mechanism is arranged inside the optical cable fiber distribution box body, and the assembly mechanism includes a mounting plate, a concave plate, a movable block, a threaded knob, a double-headed screw and an adjustment block. The optical cable fiber distribution box based on a modular assembly structure described in the utility model belongs to the field of optical cable fiber distribution boxes. Through the assembly mechanism, the left and right distance positions of the threaded short rods can be changed by rotating the threaded knob, and the threaded short rods can be changed by rotating the rotating knob. The upper and lower distance positions between them can make the threaded short rods inserted into the mounting holes of the side plates on both sides of the optical splitter, and finally the mounting caps are screwed onto the threaded short rods to complete the installation of the optical splitter, so that users can replace different types of optical splitters on the same optical cable fiber splitter box body in a modular assembly manner, thereby improving the practicality of the optical cable fiber splitter box body. When installing the optical splitter, four mounting caps need to be rotated, and when adjusting the spacing between the assembly mechanisms, two threaded knobs need to be rotated, and it is difficult to ensure that the left and right threaded short rods move the same distance during the rotation process, which will affect the installation of the optical splitter. Utility Model Content

[0004] The main purpose of the utility model is to provide a fiber distribution box with a modular structure, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A fiber distribution box with a modular structure comprises a fiber distribution box body and a pad, wherein the pad is fixedly installed on the inner rear surface of the fiber distribution box body, an optical splitter is provided in front of the pad, a guide mechanism is fixedly installed on the front surface of the pad, a moving block is provided on the guide mechanism and near the movable sleeves at both ends, a pressure plate is provided in front of the moving block, and an adjustment rod is movably installed on the lower surface of the pad.

[0007] Preferably, support plates are fixedly mounted on both side surfaces of the pad, a threaded rod is movably mounted on the front surface of the support plate, a knob is fixedly mounted on the front end surface of the threaded rod, and through holes are opened inside the pad near the top and bottom.

[0008] Preferably, the guide mechanism includes a fixed plate, a guide rod and a rotating rod. There are two fixed plates. A guide rod is fixedly installed between the two fixed plates and located at the top. A rotating rod is movably installed between the two fixed plates and located at the bottom. Threads are provided on the surface of the rotating rod near both ends. The rotation directions of the threads are opposite. A No. 1 bevel gear is fixedly sleeved on the surface of the rotating rod and located in the middle. The fixed plate is fixed to the support plate.

[0009] Preferably, the upper end of the adjusting rod extends inside the backing plate, and a second bevel gear is fixedly mounted on the upper end surface of the adjusting rod, and the second bevel gear is meshed with the first bevel gear.

[0010] Preferably, positioning columns are fixedly installed on the rear surface of the pressure plate near the top and bottom, a threaded sleeve block is fixedly installed on one side surface of the pressure plate, an extension rod is fixedly installed on one side surface of the pressure plate near the top and bottom, and a clamping block is fixedly installed on one side surface of the rear end of the extension rod.

[0011] Preferably, a sleeve hole is opened on one side surface of the moving block near the top, a threaded hole is opened on one side surface of the moving block near the bottom, and a card slot is opened on one side surface of the moving block above the sleeve hole and below the threaded hole.

[0012] Preferably, the guide rod passes through the through hole above the pad and the sleeve hole of the moving block, the rotating rod passes through the through hole below the pad and the threaded hole of the moving block, the clamping block is embedded in the clamping groove, and the threaded sleeve block is sleeved on the surface of the threaded rod.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, by arranging the pad, the guide mechanism, the pressure plate, the adjustment rod and the moving block in a manner of cooperating with each other, when it is necessary to install optical splitters of different lengths, the adjustment rod is rotated, and the adjustment rod uses the rotating No. 2 bevel gear to drive the No. 1 bevel gear and the rotating rod to rotate, and the moving blocks will move at the same time, so that the two moving blocks can be guaranteed to move the same distance. When the optical splitter is fitted with the pad, the knob is rotated to make the pressure plate constantly approach the mounting plates on both sides of the optical splitter until the positioning columns of the pressure plate are embedded in the mounting holes of the mounting plates, so that the installation of the optical splitter can be completed quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is an overall structural diagram of a modular fiber distribution box of the utility model;

[0016] Figure 2 A modular fiber distribution box of the utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 This is a schematic diagram of the disassembly of a backing plate and an adjusting rod of a fiber distribution box with a modular structure according to the utility model;

[0018] Figure 4 This is a structural diagram of a guide mechanism of a fiber distribution box with a modular structure according to the utility model;

[0019] Figure 5 This is a structural diagram of a pressure plate of a fiber distribution box with a modular structure according to the utility model;

[0020] Figure 6 This is a structural diagram of a moving block of a fiber distribution box with a modular structure according to the utility model.

[0021] In the figure: 1. fiber splitter box body; 2. pad; 201. support plate; 202. threaded rod; 203. knob; 204. through hole; 3. optical splitter; 4. guide mechanism; 401. fixing plate; 402. guide rod; 403. rotating rod; 404. bevel gear No. 1; 5. pressure plate; 501. positioning column; 502. threaded sleeve block; 503. extension rod; 504. clamping block; 6. moving block; 601. threaded hole; 602. sleeve hole; 603. clamping slot; 7. adjusting rod; 701. bevel gear No. 2. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-6 A fiber distribution box with a modular structure is shown, comprising a fiber distribution box body 1 and a pad 2, the pad 2 is fixedly installed on the inner rear surface of the fiber distribution box body 1, an optical splitter 3 is provided in front of the pad 2, a guide mechanism 4 is fixedly installed on the front surface of the pad 2, a moving block 6 is movably provided on the guide mechanism 4 and close to the two ends, a pressing plate 5 is provided in front of the moving block 6, and an adjusting rod 7 is movably installed on the lower surface of the pad 2.

[0024] Support plates 201 are fixedly installed on the two side surfaces of the pad 2, and a threaded rod 202 is movably installed on the front surface of the support plate 201. A knob 203 is fixedly installed on the front end surface of the threaded rod 202. Through holes 204 are opened inside the pad 2 near the top and bottom. The rotating threaded rod 202 can control the movement of the pressure plate 5; the guide mechanism 4 includes a fixed plate 401, a guide rod 402 and a rotating rod 403. The number of fixed plates 401 is two, and a guide rod 402 is fixedly installed between the two fixed plates 401 and located above. A rotating rod 403 is movably installed between the fixed plates 401 and located below. The surface of the rotating rod 403 and near the two ends are provided with threads, and the rotation directions of the threads are opposite. The surface of the rotating rod 403 and located in the middle is fixedly sleeved with a first bevel gear 404. The fixed plate 401 is fixed to the support plate 201. The rotating rotating rod 403 can control the moving blocks 6 to move closer and farther away from each other; the upper end of the adjusting rod 7 extends inside the pad 2, and the upper end surface of the adjusting rod 7 is fixedly installed with a second bevel gear 701, and the second bevel gear 701 and the first bevel gear 404 are fixedly sleeved. 4 meshes, the rotating No. 2 bevel gear 701 can drive the No. 1 bevel gear 404 and the rotating rod 403 to rotate; the rear surface of the pressing plate 5 and near the top and bottom are fixedly installed with a positioning column 501, the side surface of the pressing plate 5 is fixedly installed with a threaded sleeve block 502, the side surface of the pressing plate 5 and near the top and bottom are fixedly installed with an extension rod 503, and the rear end of the extension rod 503 is fixedly installed with a clamping block 504. The cooperation of the clamping block 504 and the clamping slot 603 can assist the stable movement of the pressing plate 5; the side surface of the moving block 6 A sleeve hole 602 is provided on the surface and near the top, a threaded hole 601 is provided on one side surface of the moving block 6 and near the bottom, and a clamping groove 603 is provided on one side surface of the moving block 6 and located above the sleeve hole 602 and below the threaded hole 601; the guide rod 402 passes through the through hole 204 above the pad 2 and the sleeve hole 602 of the moving block 6, the rotating rod 403 passes through the through hole 204 below the pad 2 and the threaded hole 601 of the moving block 6, the clamping block 504 is embedded in the clamping groove 603, and the threaded sleeve block 502 is sleeved on the surface of the threaded rod 202.

[0025] It should be noted that the utility model is a fiber distribution box with a modular structure. When in use, when it is necessary to install optical splitters 3 of different lengths, the adjusting rod 7 is rotated. The adjusting rod 7 uses the rotating No. 2 bevel gear 701 to drive the No. 1 bevel gear 404 and the rotating rod 403 to rotate. At this time, the moving block 6 will move at the same time, so that the two moving blocks 6 can move the same distance. When the optical splitter 3 is fitted with the pad 2, the knob 203 is rotated to rotate the threaded rod 202. At this time, the pressure plate 5 will continue to approach the mounting plates on both sides of the optical splitter 3 until the positioning column 501 of the pressure plate 5 is embedded in the mounting hole of the mounting plate, so that the installation of the optical splitter 3 can be completed quickly.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A fiber distribution box with a modular structure, characterized in that: The invention comprises a fiber distribution box body (1) and a backing plate (2), wherein the backing plate (2) is fixedly mounted on the inner rear surface of the fiber distribution box body (1), an optical splitter (3) is arranged in front of the backing plate (2), a guide mechanism (4) is fixedly mounted on the front surface of the backing plate (2), a movable block (6) is arranged on the guide mechanism (4) and close to the movable sleeves at both ends, a pressure plate (5) is arranged in front of the movable block (6), and an adjustment rod (7) is movably mounted on the lower surface of the backing plate (2).

2. A modular fiber distribution box according to claim 1, characterized in that: Support plates (201) are fixedly mounted on both side surfaces of the pad (2), a threaded rod (202) is movably mounted on the front surface of the support plate (201), a knob (203) is fixedly mounted on the front end surface of the threaded rod (202), and through holes (204) are provided inside the pad (2) near the top and bottom.

3. A modular fiber distribution box according to claim 2, characterized in that: The guide mechanism (4) comprises a fixed plate (401), a guide rod (402) and a rotating rod (403); the number of the fixed plates (401) is two; a guide rod (402) is fixedly installed between the two fixed plates (401) and located at the top; a rotating rod (403) is movably installed between the two fixed plates (401) and located at the bottom; threads are provided on the surface of the rotating rod (403) and near both ends; the threads rotate in opposite directions; a first bevel gear (404) is fixedly sleeved on the surface of the rotating rod (403) and located at the middle; the fixed plate (401) is fixed to the support plate (201).

4. A modular fiber distribution box according to claim 3, characterized in that: The upper end of the adjusting rod (7) extends inside the backing plate (2), and a second bevel gear (701) is fixedly mounted on the upper end surface of the adjusting rod (7), and the second bevel gear (701) is meshed with the first bevel gear (404).

5. A modular fiber distribution box according to claim 4, characterized in that: A positioning column (501) is fixedly mounted on the rear surface of the pressing plate (5) and near the top and bottom, a threaded sleeve block (502) is fixedly mounted on one side surface of the pressing plate (5), an extension rod (503) is fixedly mounted on one side surface of the pressing plate (5) and near the top and bottom, and a clamping block (504) is fixedly mounted on one side surface of the rear end of the extension rod (503).

6. A modular fiber distribution box according to claim 5, characterized in that: A sleeve hole (602) is provided on one side surface of the moving block (6) near the top, a threaded hole (601) is provided on one side surface of the moving block (6) near the bottom, and a clamping groove (603) is provided on one side surface of the moving block (6) above the sleeve hole (602) and below the threaded hole (601).

7. A modular fiber distribution box according to claim 6, characterized in that: The guide rod (402) passes through the through hole (204) above the backing plate (2) and the sleeve hole (602) of the moving block (6); the rotating rod (403) passes through the through hole (204) below the backing plate (2) and the threaded hole (601) of the moving block (6); the clamping block (504) is embedded in the clamping groove (603); and the threaded sleeve block (502) is sleeved on the surface of the threaded rod (202).

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