Optical line terminal

Abstract

The utility model relates to the technical field of OLT equipment, and discloses an optical line terminal comprising a box body, two sides of the front part of the box body are provided with clamping grooves, the front side of the interior of the box body is provided with an assembly block, the interior of the assembly block is provided with a telescopic plate, the inner side of the telescopic plate is fixedly connected with a connection plate, and the inner side of the connection plate is fixedly connected with an optical line terminal. The upper side of the interior of the connecting plate is in threaded connection with a threaded rod, the upper portion of the threaded rod is fixedly connected with a rotating block, the lower portion of the threaded rod is rotationally connected with an upper clamping soft seat, the lower portion of the upper clamping soft seat is provided with a lower clamping soft seat, the lower clamping soft seat is arranged in the connecting plate, and the exterior of the upper clamping soft seat is fixedly connected with a sliding block. A sliding groove is formed in the connecting plate, and an inserting hole is formed in the front portion of the box body. According to the utility model, the crystal head is easy to shake and even fall off, and the length of the connecting plate can be adjusted to adapt to different working environments or lead lengths.

Description

Technical Field

[0001] The utility model relates to the technical field of OLT equipment, in particular to an optical line terminal. Background Art

[0002] The main function of OLT is to connect to the front-end (aggregation layer) switch with a network cable, convert the network electrical signal received from the front-end switch into an optical signal, and interconnect with the optical splitter at the user end with a single-mode optical fiber to realize the control, management and ranging of the ONU.

[0003] After searching, the Chinese patent announcement number: CN205232400U discloses a new type of fiber optic downlink access optical line terminal OLT device, including an outer shell, a touch screen, a cooling fan and a user-end interface, a non-slip base is arranged on the lower side of the outer shell, a power control switch is arranged on the front surface of the outer shell, a touch screen is arranged on one side of the power control switch, a signal indicator light is arranged on one side of the touch screen, a cooling fan is arranged on the upper surface of the outer shell, a power line interface is arranged at the rear of the outer shell, a power indicator light is arranged on the upper side of the power line interface, an upper network interface is arranged on one side of the power line interface, and a user-end interface is arranged on one side of the upper network interface. The beneficial effects are: diverse functions, simple configuration and plug-and-play, good heat dissipation performance, and the advantages of energy saving, space saving and low noise. It can realize the flow transmission of each user-end interface through touch operation, and can display the flow usage, and can realize high-density user access. Although this patented technology can be configured simply as plug-and-play, has good heat dissipation performance, and has the advantages of energy saving, space saving and low noise, it cannot solve the problem that the crystal head is prone to shaking or even falling off when the optical fiber terminal box is subjected to external force. Therefore, technical personnel in this field provide an optical line terminal to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides an optical line terminal, which aims to improve the problem that the crystal head is prone to shaking or even falling off when the optical fiber terminal box is subjected to external force and cannot be solved in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An optical line terminal comprises a box body, wherein both sides of the front portion of the box body are provided with card slots, an assembly block is provided on the inner front side of the box body, a telescopic plate is provided inside the assembly block, the inner side of the telescopic plate is fixedly connected with a connecting plate, a threaded rod is threadedly connected to the inner upper side of the connecting plate, the upper part of the threaded rod is fixedly connected to a rotating block, the lower part of the threaded rod is rotatably connected with an upper clamping soft seat, a lower clamping soft seat is provided at the lower part of the upper clamping soft seat, the lower clamping soft seat is provided inside the connecting plate, a slider is fixedly connected to the outside of the upper clamping soft seat, a sliding groove is provided inside the connecting plate, a jack is provided on the front portion of the box body, reinforcing bolts are provided on both sides of the interior of the box body, and a heat dissipation component is provided at the lower part of the box body.

[0007] Through the above technical scheme, the assembly block is placed through the slots opened on both sides of the box body 1, and the reinforcement bolts pass through the through holes into the inside of the slots. The reinforcement bolts are threadedly connected to the through holes, and the assembly block is tightened by tightening the reinforcement bolts for easy fixation. The placement opening opened in the connecting plate corresponds to the socket of the box body. By rotating the rotating block, the rotating block drives the threaded rod to rotate, and the threaded rod drives the upper clamping soft seat to move upward. At the same time, the slider slides inside the slide groove to open the placement opening space, so that the crystal head can enter the socket after being inserted. After the crystal head is inserted, the wire is placed between the upper clamping soft seat and the lower clamping soft seat inside the placement opening. The telescopic plate slides inside the assembly block to adjust the length to adapt to different working environments or wire lengths.

[0008] Furthermore, the heat dissipation assembly includes a fixed frame, which is arranged at the lower part of the box body, a fan is arranged inside the fixed frame, the outside of the fan is fixedly connected with a connecting frame, the connecting frame is fixedly connected to the inner side of the fixed frame, a dustproof net is arranged at the lower part of the fan, the dustproof net is fixedly connected to the lower side of the inner part of the fixed frame, the upper part of the fan is connected with an air outlet plate, a plurality of air outlet holes are arranged inside the air outlet plate, a main board is arranged inside the box body, and a heat dissipation plate is arranged at the lower part of the main board.

[0009] Through the above technical solution, by starting the fan inside the fixed frame, the fan sucks air from the outside, the wind passes through the dustproof net to be filtered and dust-proof, and then enters the air outlet plate, and blows air to the mainboard through the air outlet holes inside the air outlet plate. At the same time, by arranging a heat sink at the bottom of the mainboard, the mainboard can be effectively cooled and dust-proofed.

[0010] Furthermore, the assembly block is slidably connected inside the slot.

[0011] Through the above technical solution, the assembly block can be placed inside the slot by sliding the assembly block inside the slot, and the assembly block can be tightened by tightening the reinforcing bolts to facilitate fixation.

[0012] Furthermore, the telescopic plate is slidably connected inside the assembly block.

[0013] Through the above technical solution, the telescopic plate can be slid inside the assembly block to adjust the length to adapt to different working environments or wire lengths.

[0014] Furthermore, the sliding block is slidably connected inside the sliding groove.

[0015] Through the above technical solution, the slider slides inside the slide groove to open the placement opening space, making it easier for the crystal head to enter the socket after being inserted.

[0016] Furthermore, heat dissipation holes are provided on both sides of the exterior of the box body.

[0017] Through the above technical solution, the heat dissipation holes are provided to dissipate heat from the internal mainboard.

[0018] Furthermore, four corners of the bottom of the box body are fixedly connected with connecting rods, and the lower part of the connecting rods is fixedly connected with supporting legs.

[0019] Through the above technical solution, the device is supported by arranging connecting rods and supporting legs.

[0020] Furthermore, a mounting plate is fixedly connected to the outside of the supporting leg.

[0021] Through the above technical solution, the device can be easily installed by providing a mounting plate.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, through the cooperation among the box body, the card slot, the assembly block, the telescopic plate, the connecting plate, the threaded rod, the lower clamping soft seat, the upper clamping soft seat, the slider and the slide groove, the crystal head can be easily shaken or even fall off, and the length of the connecting plate can be adjusted to adapt to different working environments or wire lengths.

[0024] 2. In the utility model, through the coordination among the fixed frame, the fan, the connecting frame, the dust screen, the air outlet plate, the main board and the heat sink, the main board can be blown evenly, the heat dissipation effect inside the device is effectively improved, and the internal electronic components are well protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of an optical line terminal proposed by the utility model;

[0026] Figure 2 A schematic diagram of the local structure of an optical line terminal proposed by the utility model;

[0027] Figure 3 A cross-sectional view of an optical line terminal proposed by the utility model;

[0028] Figure 4 The utility model provides an optical line terminal Figure 1 Enlarged view of point A in the middle.

[0029] Legend:

[0030] 1. Box body; 2. Assembly block; 3. Heat dissipation hole; 4. Mounting plate; 5. Fixed frame; 6. Support leg; 7. Connecting rod; 8. Connecting plate; 9. Telescopic plate; 10. Air outlet; 11. Card slot; 12. Reinforcement bolt; 13. Socket; 14. Main board; 15. Air outlet plate; 16. Fan; 17. Dust net; 18. Connecting frame; 19. Heat dissipation plate; 20. Threaded rod; 21. Rotating block; 22. Upper clamp soft seat; 23. Lower clamp soft seat; 24. Sliding block; 25. Slide groove. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1 and Figure 2 , an embodiment provided by the utility model:

[0033] An optical line terminal comprises a box body 1, wherein both sides of the front of the box body 1 are provided with card slots 11, an assembly block 2 is arranged on the front side of the box body 1, a telescopic plate 9 is arranged inside the assembly block 2, a connecting plate 8 is fixedly connected to the inner side of the telescopic plate 9, a threaded rod 20 is threadedly connected to the upper side of the inner part of the connecting plate 8, a rotating block 21 is fixedly connected to the upper part of the threaded rod 20, an upper clamping soft seat 22 is rotatably connected to the lower part of the threaded rod 20, a lower clamping soft seat 23 is arranged at the lower part of the upper clamping soft seat 22, a lower clamping soft seat 23 is arranged inside the connecting plate 8, a slider 24 is fixedly connected to the outer part of the upper clamping soft seat 22, a sliding groove 25 is arranged inside the connecting plate 8, a jack 13 is arranged on the front side of the box body 1, reinforcing bolts 12 are arranged on both sides of the inner part of the box body 1, and a heat dissipation component is arranged at the lower part of the box body 1.

[0034] The assembly block 2 is placed in the slots 11 opened on both sides of the box body 1, and the reinforcing bolts 12 pass through the through holes into the slots 11. The reinforcing bolts 12 are threadedly connected to the through holes. The assembly block 2 is pressed by tightening the reinforcing bolts 12 for easy fixation. The placement opening opened in the connecting plate 8 corresponds to the socket 13 of the box body 1. By rotating the rotating block 21, the rotating block 21 drives the threaded rod 20 to rotate, and the threaded rod 20 drives the upper clamping soft seat 22 to move up. At the same time, the slider 24 slides inside the slide groove 25 to open the placement opening space, which is convenient for the crystal head to enter the socket 13 after being inserted. The wire after the crystal head is inserted is placed between the upper clamping soft seat 22 and the lower clamping soft seat 23 inside the placement opening. The telescopic plate 9 slides inside the assembly block 2 to adjust the length to adapt to different working environments or wire lengths.

[0035] Reference Figure 1 and Figure 3 The heat dissipation assembly includes a fixed frame 5, which is arranged at the lower part of the box body 1, a fan 16 is arranged inside the fixed frame 5, a connecting frame 18 is fixedly connected to the outside of the fan 16, the connecting frame 18 is fixedly connected to the inner side of the fixed frame 5, a dustproof net 17 is arranged at the lower part of the fan 16, the dustproof net 17 is fixedly connected to the lower side of the inner part of the fixed frame 5, the upper part of the fan 16 is connected to an air outlet plate 15, a plurality of air outlet holes 10 are arranged inside the air outlet plate 15, a main board 14 is arranged inside the box body 1, and a heat dissipation plate 19 is arranged at the lower part of the main board 14;

[0036] By starting the fan 16 inside the fixed frame 5, the fan 16 sucks air from the outside, the wind passes through the dustproof net 17 to be filtered and dust-proof, and then enters the air outlet plate 15, and blows air to the main board 14 through the air outlet holes 10 inside the air outlet plate 15. At the same time, by arranging a heat sink 19 at the lower part of the main board 14, the main board 14 can be effectively cooled and dust-proofed.

[0037] Reference Figure 1 , Figure 3 and Figure 4 The assembly block 2 is slidably connected to the inside of the card slot 11, the telescopic plate 9 is slidably connected to the inside of the assembly block 2, the slider 24 is slidably connected to the inside of the slide slot 25, heat dissipation holes 3 are opened on both sides of the outside of the box body 1, the four corners of the bottom of the box body 1 are fixedly connected to the connecting rod 7, and the outside of the supporting leg 6 is fixedly connected to the mounting plate 4.

[0038] The assembly block 2 can be placed inside the card slot 11 by sliding the assembly block 2 inside the card slot 11, and the assembly block 2 can be pressed by tightening the reinforcing bolts 12 to facilitate fixation. The telescopic plate 9 can slide inside the assembly block 2 to adjust the length to adapt to different working environments or wire lengths. The slider 24 can slide inside the slide groove 25 to open the placement port space, which is convenient for the crystal head to enter the jack 13 after being inserted. The heat dissipation holes 3 are provided to dissipate the heat of the internal mainboard 14. The lower part of the connecting rod 7 is fixedly connected to the support leg 6. The device is supported by arranging the connecting rod 7 and the support leg 6. The device is conveniently installed by arranging the mounting plate 4.

[0039] Working principle: When using this device, firstly, the assembly block 2 is placed through the slots 11 opened on both sides of the box body 1, and the reinforcing bolts 12 pass through the through holes into the slots 11, and the reinforcing bolts 12 are threadedly connected with the through holes. By tightening the reinforcing bolts 12, the assembly block 2 is pressed to facilitate fixation. The placement opening opened on the connecting plate 8 corresponds to the jack 13 of the box body 1. By rotating the rotating block 21, the rotating block 21 drives the threaded rod 20 to rotate, and the threaded rod 20 drives the upper clamping soft seat 22 to move up. At the same time, the slider 24 slides inside the slide groove 25 to open the placement opening space, which is convenient for the crystal head to be inserted. The wire enters the jack 13, and after the crystal head is inserted, it is placed between the upper soft seat 22 and the lower soft seat 23 inside the placement port. The telescopic plate 9 slides inside the assembly block 2 to adjust the length to adapt to different working environments or wire lengths. By starting the fan 16 inside the fixed frame 5, the fan 16 sucks air from the outside, passes through the dustproof net 17 for dust prevention, enters the air outlet plate 15, and blows air to the main board 14 through the air outlet hole 10 inside the air outlet plate 15. By arranging a heat sink 19 at the lower part of the main board 14, the heat dissipation and dust prevention of the main board 14 can be effectively carried out.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An optical line terminal, comprising a box body (1), characterized in that: The box body (1) is provided with card slots (11) on both sides of the front part, the box body (1) is provided with an assembly block (2) on the front side of the interior, a telescopic plate (9) is provided inside the assembly block (2), the inner side of the telescopic plate (9) is fixedly connected with a connecting plate (8), the inner upper side of the connecting plate (8) is threadedly connected with a threaded rod (20), the upper part of the threaded rod (20) is fixedly connected with a rotating block (21), the lower part of the threaded rod (20) is rotatably connected with an upper clamping soft seat (22), the lower part of the upper clamping soft seat (22) is provided with a lower clamping soft seat (23), the lower clamping soft seat (23) is arranged inside the connecting plate (8), the outer part of the upper clamping soft seat (22) is fixedly connected with a slider (24), the connecting plate (8) is provided with a sliding groove (25), the front part of the box body (1) is provided with a socket (13), the inner two sides of the box body (1) are provided with reinforcing bolts (12), and the lower part of the box body (1) is provided with a heat dissipation component.

2. An optical line terminal according to claim 1, characterized in that: The heat dissipation assembly comprises a fixed frame (5), the fixed frame (5) being arranged at the lower part of the box body (1), a fan (16) being arranged inside the fixed frame (5), a connecting frame (18) being fixedly connected to the outside of the fan (16), the connecting frame (18) being fixedly connected to the inner side of the fixed frame (5), a dustproof net (17) being arranged at the lower part of the fan (16), the dustproof net (17) being fixedly connected to the lower side of the inner part of the fixed frame (5), an air outlet plate (15) being connected to the upper part of the fan (16), a plurality of air outlet holes (10) being arranged inside the air outlet plate (15), a main board (14) being arranged inside the box body (1), and a heat dissipation plate (19) being arranged at the lower part of the main board (14).

3. An optical line terminal according to claim 1, characterized in that: The assembly block (2) is slidably connected inside the slot (11).

4. An optical line terminal according to claim 1, characterized in that: The telescopic plate (9) is slidably connected inside the assembly block (2).

5. An optical line terminal according to claim 1, characterized in that: The sliding block (24) is slidably connected inside the sliding groove (25).

6. An optical line terminal according to claim 1, characterized in that: Heat dissipation holes (3) are provided on both sides of the exterior of the box body (1).

7. An optical line terminal according to claim 1, characterized in that: The four corners of the bottom of the box body (1) are fixedly connected to connecting rods (7), and the lower part of the connecting rods (7) is fixedly connected to supporting legs (6).

8. An optical line terminal according to claim 7, characterized in that: The outside of the support leg (6) is fixedly connected to a mounting plate (4).

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